194 files changed, 111420 insertions, 958 deletions

diff --git a/sys/contrib/dev/acpica/CHANGES.txt b/sys/contrib/dev/acpica/CHANGES.txt
new file mode 100644
index 0000000..3b82a15
--- /dev/null
+++ b/sys/contrib/dev/acpica/CHANGES.txt
@@ -0,0 +1,3203 @@
+----------------------------------------
+15 November 2002.  Summary of changes for version 20021115.
+
+1) ACPI CA Core Subsystem:
+
+Fixed a memory leak problem where an error during resolution
+of method arguments during a method invocation from another
+method failed to cleanup properly by deleting all successfully
+resolved argument objects.
+
+Fixed a problem where the target of the Index() operator was
+not correctly constructed if the source object was a package.
+This problem has not been detected because the use of a target
+operand with Index() is very rare.
+
+Fixed a problem with the Index() operator where an attempt was
+made to delete the operand objects twice.
+
+Fixed a problem where an attempt was made to delete an operand
+twice during execution of the CondRefOf() operator if the
+target did not exist.
+
+Implemented the first of perhaps several internal create
+object functions that create and initialize a specific object
+type.  This consolidates duplicated code wherever the object
+is created, thus shrinking the size of the subsystem.
+
+Implemented improved debug/error messages for errors that
+occur during nested method invocations.  All executing method
+pathnames are displayed (with the error) as the call stack is
+unwound - thus simplifying debug.
+
+Fixed a problem introduced in the 10/02 release that caused
+premature deletion of a buffer object if a buffer was used as
+an ASL operand where an integer operand is required (Thus
+causing an implicit object conversion from Buffer to Integer.)
+The change in the 10/02 release was attempting to fix a memory
+leak (albeit incorrectly.)
+
+Code and Data Size: Current core subsystem library sizes are
+shown below.  These are the code and data sizes for the
+acpica.lib produced by the Microsoft Visual C++ 6.0 compiler,
+and these values do not include any ACPI driver or OSPM code.
+The debug version of the code includes the debug output trace
+mechanism and has a much larger code and data size.  Note that
+these values will vary depending on the efficiency of the
+compiler and the compiler options used during generation.
+
+  Previous Release
+    Non-Debug Version:  71.9K Code,   9.1K Data,   81.0K Total
+    Debug Version:     153.1K Code,  63.3K Data,  216.4K Total
+  Current Release:
+    Non-Debug Version:  71.3K Code,   9.0K Data,   80.3K Total
+    Debug Version:     152.7K Code,  63.2K Data,  215.5K Total
+
+
+2) Linux
+
+Changed the implementation of the ACPI semaphores to use
+down() instead of down_interruptable().  It is important that
+the execution of ACPI control methods not be interrupted by
+signals.  Methods must run to completion, or the system may be
+left in an unknown/unstable state.
+
+Fixed a compilation error when CONFIG_SOFTWARE_SUSPEND is not
+set. (Shawn Starr)
+
+
+3) iASL Compiler/Disassembler
+
+Changed the default location of output files.  All output
+files are now placed in the current directory by default
+instead of in the directory of the source file.  This change
+may affect some existing makefiles, but it brings the behavior
+of the compiler in line with other similar tools.  The
+location of the output files can be overridden with the -p
+command line switch.
+
+
+----------------------------------------
+11 November 2002.  Summary of changes for version 20021111.
+
+
+0) ACPI Specification 2.0B is released and is now available
+at:  http://www.acpi.info/index.html
+
+
+1) ACPI CA Core Subsystem:
+
+Implemented support for the ACPI 2.0 SMBus Operation Regions.
+This includes the early detection and handoff of the request
+to the SMBus region handler (avoiding all of the complex field
+support code), and support for the bidirectional return packet
+from an SMBus write operation.  This paves the way for the
+development of SMBus drivers in each host operating system.
+
+Fixed a problem where the semaphore WAIT_FOREVER constant was
+defined as 32 bits, but must be 16 bits according to the ACPI
+specification.  This had the side effect of causing ASL
+Mutex/Event timeouts even though the ASL code requested a wait
+forever.  Changed all internal references to the ACPI timeout
+parameter to 16 bits to prevent future problems.  Changed the
+name of WAIT_FOREVER to ACPI_WAIT_FOREVER.
+
+Code and Data Size: Current core subsystem library sizes are
+shown below.  These are the code and data sizes for the
+acpica.lib produced by the Microsoft Visual C++ 6.0 compiler,
+and these values do not include any ACPI driver or OSPM code.
+The debug version of the code includes the debug output trace
+mechanism and has a much larger code and data size.  Note that
+these values will vary depending on the efficiency of the
+compiler and the compiler options used during generation.
+
+  Previous Release
+    Non-Debug Version:  71.4K Code,   9.0K Data,   80.4K Total
+    Debug Version:     152.3K Code,  63.0K Data,  215.3K Total
+  Current Release:
+    Non-Debug Version:  71.9K Code,   9.1K Data,   81.0K Total
+    Debug Version:     153.1K Code,  63.3K Data,  216.4K Total
+
+
+2) Linux
+
+Module loading/unloading fixes (John Cagle)
+
+
+3) iASL Compiler/Disassembler
+
+Added support for the SMBBlockProcessCall keyword (ACPI 2.0)
+
+Implemented support for the disassembly of all SMBus protocol
+keywords (SMBQuick, SMBWord, etc.)
+
+----------------------------------------
+01 November 2002.  Summary of changes for version 20021101.
+
+
+1) ACPI CA Core Subsystem:
+
+Fixed a problem where platforms that have a GPE1 block but no
+GPE0 block were not handled correctly.  This resulted in a
+"GPE overlap" error message.  GPE0 is no longer required.
+
+Removed code added in the previous release that inserted nodes
+into the namespace in alphabetical order.  This caused some
+side-effects on various machines.  The root cause of the
+problem is still under investigation since in theory, the
+internal ordering of the namespace nodes should not matter.
+
+Enhanced error reporting for the case where a named object is
+not found during control method execution.  The full ACPI
+namepath (name reference) of the object that was not found is
+displayed in this case.
+
+Note: as a result of the overhaul of the namespace object
+types in the previous release, the namespace nodes for the
+predefined scopes (_TZ, _PR, etc.) are now of the type
+ACPI_TYPE_LOCAL_SCOPE instead of ACPI_TYPE_ANY.  This
+simplifies the namespace management code but may affect code
+that walks the namespace tree looking for specific object
+types.
+
+Code and Data Size: Current core subsystem library sizes are
+shown below.  These are the code and data sizes for the
+acpica.lib produced by the Microsoft Visual C++ 6.0 compiler,
+and these values do not include any ACPI driver or OSPM code.
+The debug version of the code includes the debug output trace
+mechanism and has a much larger code and data size.  Note that
+these values will vary depending on the efficiency of the
+compiler and the compiler options used during generation.
+
+  Previous Release
+    Non-Debug Version:  70.7K Code,   8.6K Data,   79.3K Total
+    Debug Version:     151.7K Code,  62.4K Data,  214.1K Total
+  Current Release:
+    Non-Debug Version:  71.4K Code,   9.0K Data,   80.4K Total
+    Debug Version:     152.3K Code,  63.0K Data,  215.3K Total
+
+
+2) Linux
+
+Fixed a problem introduced in the previous release where the
+Processor and Thermal objects were not recognized and
+installed in /proc.  This was related to the scope type change
+described above.
+
+
+3) iASL Compiler/Disassembler
+
+Implemented the -g option to get all of the required ACPI
+tables from the registry and save them to files (Windows
+version of the compiler only.)  The required tables are the
+FADT, FACS, and DSDT.
+
+Added ACPI table checksum validation during table disassembly
+in order to catch corrupted tables.
+
+
+----------------------------------------
+22 October 2002.  Summary of changes for version 20021022.
+
+1) ACPI CA Core Subsystem:
+
+Implemented a restriction on the Scope operator that the
+target must already exist in the namespace at the time the
+operator is encountered (during table load or method
+execution).  In other words, forward references are not
+allowed and Scope() cannot create a new object. This changes
+the previous behavior where the interpreter would create the
+name if not found.  This new behavior correctly enables the
+search-to-root algorithm during namespace lookup of the target
+name.  Because of this upsearch, this fixes the known Compaq
+_SB_.OKEC problem and makes both the AML interpreter and iASL
+compiler compatible with other ACPI implementations.
+
+Completed a major overhaul of the internal ACPI object types
+for the ACPI Namespace and the associated operand objects.
+Many of these types had become obsolete with the introduction
+of the two-pass namespace load.  This cleanup simplifies the
+code and makes the entire namespace load mechanism much
+clearer and easier to understand.
+
+Improved debug output for tracking scope opening/closing to
+help diagnose scoping issues.  The old scope name as well as
+the new scope name are displayed.  Also improved error
+messages for problems with ASL Mutex objects and error
+messages for GPE problems.
+
+Cleaned up the namespace dump code, removed obsolete code.
+
+All string output (for all namespace/object dumps) now uses
+the common ACPI string output procedure which handles escapes
+properly and does not emit non-printable characters.
+
+Fixed some issues with constants in the 64-bit version of the
+local C library (utclib.c)
+
+
+2) Linux
+
+EC Driver:  No longer attempts to acquire the Global Lock at
+interrupt level.
+
+
+3) iASL Compiler/Disassembler
+
+Implemented ACPI 2.0B grammar change that disallows all Type 1
+and 2 opcodes outside of a control method.  This means that
+the "executable" operators (versus the "namespace" operators)
+cannot be used at the table level; they can only be used
+within a control method.
+
+Implemented the restriction on the Scope() operator where the
+target must already exist in the namespace at the time the
+operator is encountered (during ASL compilation). In other
+words, forward references are not allowed and Scope() cannot
+create a new object.  This makes the iASL compiler compatible
+with other ACPI implementations and makes the Scope()
+implementation adhere to the ACPI specification.
+
+Fixed a problem where namepath optimization for the Alias
+operator was optimizing the wrong path (of the two namepaths.)
+This caused a "Missing alias link" error message.
+
+Fixed a problem where an "unknown reserved name" warning could
+be incorrectly generated for names like "_SB" when the
+trailing underscore is not used in the original ASL.
+
+Fixed a problem where the reserved name check did not handle
+NamePaths with multiple NameSegs correctly.  The first nameseg
+of the NamePath was examined instead of the last NameSeg.
+
+
+----------------------------------------
+
+02 October 2002.  Summary of changes for this release.
+
+
+1) ACPI CA Core Subsystem version 20021002:
+
+Fixed a problem where a store/copy of a string to an existing
+string did not always set the string length properly in the
+String object.
+
+Fixed a reported problem with the ToString operator where the
+behavior was identical to the ToHexString operator instead of
+just simply converting a raw buffer to a string data type.
+
+Fixed a problem where CopyObject and the other "explicit"
+conversion operators were not updating the internal namespace
+node type as part of the store operation.
+
+Fixed a memory leak during implicit source operand conversion
+where the original object was not deleted if it was converted
+to a new object of a different type.
+
+Enhanced error messages for all problems associated with
+namespace lookups.  Common procedure generates and prints the
+lookup name as well as the formatted status.
+
+Completed implementation of a new design for the Alias support
+within the namespace.  The existing design did not handle the
+case where a new object was assigned to one of the two names
+due to the use of an explicit conversion operator, resulting
+in the two names pointing to two different objects.  The new
+design simply points the Alias name to the original name node
+- not to the object.  This results in a level of indirection
+that must be handled in the name resolution mechanism.
+
+Code and Data Size: Current core subsystem library sizes are
+shown below.  These are the code and data sizes for the
+acpica.lib produced by the Microsoft Visual C++ 6.0 compiler,
+and these values do not include any ACPI driver or OSPM code.
+The debug version of the code includes the debug output trace
+mechanism and has a larger code and data size.  Note that
+these values will vary depending on the efficiency of the
+compiler and the compiler options used during generation.
+
+  Previous Release
+    Non-Debug Version:  69.6K Code,   8.3K Data,   77.9K Total
+    Debug Version:     150.0K Code,  61.7K Data,  211.7K Total
+  Current Release:
+    Non-Debug Version:  70.7K Code,   8.6K Data,   79.3K Total
+    Debug Version:     151.7K Code,  62.4K Data,  214.1K Total
+
+
+2) Linux
+
+Initialize thermal driver's timer before it is used. (Knut
+Neumann)
+
+Allow handling negative celsius values. (Kochi Takayoshi)
+
+Fix thermal management and make trip points. R/W (Pavel
+Machek)
+
+Fix /proc/acpi/sleep. (P. Christeas)
+
+IA64 fixes. (David Mosberger)
+
+Fix reversed logic in blacklist code. (Sergio Monteiro Basto)
+
+Replace ACPI_DEBUG define with ACPI_DEBUG_OUTPUT. (Dominik
+Brodowski)
+
+
+3) iASL Compiler/Disassembler
+
+Clarified some warning/error messages.
+
+
+----------------------------------------
+18 September 2002.  Summary of changes for this release.
+
+
+1) ACPI CA Core Subsystem version 20020918:
+
+Fixed a reported problem with reference chaining (via the
+Index() and RefOf() operators) in the ObjectType() and
+SizeOf() operators.  The definition of these operators
+includes the dereferencing of all chained references to return
+information on the base object.
+
+Fixed a problem with stores to indexed package elements - the
+existing code would not complete the store if an "implicit
+conversion" was not performed.  In other words, if the
+existing object (package element) was to be replaced
+completely, the code didn't handle this case.
+
+Relaxed typechecking on the ASL "Scope" operator to allow the
+target name to refer to an object of type Integer, String, or
+Buffer, in addition to the scoping object types (Device,
+predefined Scopes, Processor, PowerResource, and ThermalZone.)
+This allows existing AML code that has workarounds for a bug
+in Windows to function properly.  A warning is issued,
+however.  This affects both the AML interpreter and the iASL
+compiler. Below is an example of this type of ASL code:
+
+      Name(DEB,0x00)
+      Scope(DEB)
+      {
+
+Fixed some reported problems with 64-bit integer support in
+the local implementation of C library functions (clib.c)
+
+
+2) Linux
+
+Use ACPI fix map region instead of IOAPIC region, since it is
+undefined in non-SMP.
+
+Ensure that the SCI has the proper polarity and trigger, even
+on systems that do not have an interrupt override entry in the
+MADT.
+
+2.5 big driver reorganization (Pat Mochel)
+
+Use early table mapping code from acpitable.c (Andi Kleen)
+
+New blacklist entries (Andi Kleen)
+
+Blacklist improvements. Split blacklist code out into a
+separate file. Move checking the blacklist to very early.
+Previously, we would use ACPI tables, and then halfway through
+init, check the blacklist -- too late. Now, it's early enough
+to completely fall-back to non-ACPI.
+
+
+3) iASL Compiler/Disassembler version 20020918:
+
+Fixed a problem where the typechecking code didn't know that
+an alias could point to a method.  In other words, aliases
+were not being dereferenced during typechecking.
+
+
+----------------------------------------
+29 August 2002.  Summary of changes for this release.
+
+1) ACPI CA Core Subsystem Version 20020829:
+
+If the target of a Scope() operator already exists, it must be
+an object type that actually opens a scope -- such as a
+Device, Method, Scope, etc.  This is a fatal runtime error.
+Similar error check has been added to the iASL compiler also.
+
+Tightened up the namespace load to disallow multiple names in
+the same scope.  This previously was allowed if both objects
+were of the same type.  (i.e., a lookup was the same as
+entering a new name).
+
+
+2) Linux
+
+Ensure that the ACPI interrupt has the proper trigger and
+polarity.
+
+local_irq_disable is extraneous. (Matthew Wilcox)
+
+Make "acpi=off" actually do what it says, and not use the ACPI
+interpreter *or* the tables.
+
+Added arch-neutral support for parsing SLIT and SRAT tables
+(Kochi Takayoshi)
+
+
+3) iASL Compiler/Disassembler  Version 20020829:
+
+Implemented namepath optimization for name declarations.  For
+example, a declaration like "Method (\_SB_.ABCD)" would get
+optimized to "Method (ABCD)" if the declaration is within the
+\_SB_ scope.  This optimization is in addition to the named
+reference path optimization first released in the previous
+version. This would seem to complete all possible
+optimizations for namepaths within the ASL/AML.
+
+If the target of a Scope() operator already exists, it must be
+an object type that actually opens a scope -- such as a
+Device, Method, Scope, etc.
+
+Implemented a check and warning for unreachable code in the
+same block below a Return() statement.
+
+Fixed a problem where the listing file was not generated if
+the compiler aborted if the maximum error count was exceeded
+(200).
+
+Fixed a problem where the typechecking of method return values
+was broken.  This includes the check for a return value when
+the method is invoked as a TermArg (a return value is
+expected.)
+
+Fixed a reported problem where EOF conditions during a quoted
+string or comment caused a fault.
+
+
+----------------------------------------
+15 August 2002.  Summary of changes for this release.
+
+1) ACPI CA Core Subsystem Version 20020815:
+
+Fixed a reported problem where a Store to a method argument
+that contains a reference did not perform the indirect store
+correctly.  This problem was created during the conversion to
+the new reference object model - the indirect store to a
+method argument code was not updated to reflect the new model.
+
+Reworked the ACPI mode change code to better conform to ACPI
+2.0, handle corner cases, and improve code legibility (Kochi
+Takayoshi)
+
+Fixed a problem with the pathname parsing for the carat (^)
+prefix.  The heavy use of the carat operator by the new
+namepath optimization in the iASL compiler uncovered a problem
+with the AML interpreter handling of this prefix.  In the case
+where one or more carats precede a single nameseg, the nameseg
+was treated as standalone and the search rule (to root) was
+inadvertently applied.  This could cause both the iASL
+compiler and the interpreter to find the wrong object or to
+miss the error that should occur if the object does not exist
+at that exact pathname.
+
+Found and fixed the problem where the HP Pavilion DSDT would
+not load.  This was a relatively minor tweak to the table
+loading code (a problem caused by the unexpected encounter
+with a method invocation not within a control method), but it
+does not solve the overall issue of the execution of AML code
+at the table level.  This investigation is still ongoing.
+
+Code and Data Size: Current core subsystem library sizes are
+shown below.  These are the code and data sizes for the
+acpica.lib produced by the Microsoft Visual C++ 6.0 compiler,
+and these values do not include any ACPI driver or OSPM code.
+The debug version of the code includes the debug output trace
+mechanism and has a larger code and data size.  Note that
+these values will vary depending on the efficiency of the
+compiler and the compiler options used during generation.
+
+  Previous Release
+    Non-Debug Version:  69.1K Code,   8.2K Data,   77.3K Total
+    Debug Version:     149.4K Code,  61.6K Data,  211.0K Total
+  Current Release:
+    Non-Debug Version:  69.6K Code,   8.3K Data,   77.9K Total
+    Debug Version:     150.0K Code,  61.7K Data,  211.7K Total
+
+
+2) Linux
+
+Remove redundant slab.h include (Brad Hards)
+
+Fix several bugs in thermal.c (Herbert Nachtnebel)
+
+Make CONFIG_ACPI_BOOT work properly (Pavel Machek)
+
+Change acpi_system_suspend to use updated irq functions (Pavel
+Machek)
+
+Export acpi_get_firmware_table (Matthew Wilcox)
+
+Use proper root proc entry for ACPI (Kochi Takayoshi)
+
+Fix early-boot table parsing (Bjorn Helgaas)
+
+
+3) iASL Compiler/Disassembler
+
+Reworked the compiler options to make them more consistent and
+to use two-letter options where appropriate.  We were running
+out of sensible letters.   This may break some makefiles, so
+check the current options list by invoking the compiler with
+no parameters.
+
+Completed the design and implementation of the ASL namepath
+optimization option for the compiler.  This option optimizes
+all references to named objects to the shortest possible path.
+The first attempt tries to utilize a single nameseg (4
+characters) and the "search-to-root" algorithm used by the
+interpreter.  If that cannot be used (because either the name
+is not in the search path or there is a conflict with another
+object with the same name), the pathname is optimized using
+the carat prefix (usually a shorter string than specifying the
+entire path from the root.)
+
+Implemented support to obtain the DSDT from the Windows
+registry (when the disassembly option is specified with no
+input file).  Added this code as the implementation for
+AcpiOsTableOverride in the Windows OSL.  Migrated the 16-bit
+code (used in the AcpiDump utility) to scan memory for the
+DSDT to the AcpiOsTableOverride function in the DOS OSL to
+make the disassembler truly OS independent.
+
+Implemented a new option to disassemble and compile in one
+step.  When used without an input filename, this option will
+grab the DSDT from the local machine, disassemble it, and
+compile it in one step.
+
+Added a warning message for invalid escapes (a backslash
+followed by any character other than the allowable escapes).
+This catches the quoted string error "\_SB_" (which should be
+"\\_SB_" ).  Also, there are numerous instances in the ACPI
+specification where this error occurs.
+
+Added a compiler option to disable all optimizations.  This is
+basically the "compatibility mode" because by using this
+option, the AML code will come out exactly the same as other
+ASL compilers.
+
+Added error messages for incorrectly ordered dependent
+resource functions.  This includes: missing EndDependentFn
+macro at end of dependent resource list, nested dependent
+function macros (both start and end), and missing
+StartDependentFn macro.  These are common errors that should
+be caught at compile time.
+
+Implemented _OSI support for the disassembler and compiler.
+_OSI must be included in the namespace for proper disassembly
+(because the disassembler must know the number of arguments.)
+
+Added an "optimization" message type that is optional (off by
+default).  This message is used for all optimizations -
+including constant folding, integer optimization, and namepath
+optimization.
+
+----------------------------------------
+25 July 2002.  Summary of changes for this release.
+
+
+1) ACPI CA Core Subsystem Version 20020725:
+
+The AML Disassembler has been enhanced to produce compilable
+ASL code and has been integrated into the iASL compiler (see
+below) as well as the single-step disassembly for the AML
+debugger and the disassembler for the AcpiDump utility.  All
+ACPI 2.0A opcodes, resource templates and macros are fully
+supported.  The disassembler has been tested on over 30
+different AML files, producing identical AML when the
+resulting disassembled ASL file is recompiled with the same
+ASL compiler.
+
+Modified the Resource Manager to allow zero interrupts and
+zero dma channels during the GetCurrentResources call.  This
+was causing problems on some platforms.
+
+Added the AcpiOsRedirectOutput interface to the OSL to
+simplify output redirection for the AcpiOsPrintf and
+AcpiOsVprintf interfaces.
+
+Code and Data Size: Current core subsystem library sizes are
+shown below.  These are the code and data sizes for the
+acpica.lib produced by the Microsoft Visual C++ 6.0 compiler,
+and these values do not include any ACPI driver or OSPM code.
+The debug version of the code includes the debug output trace
+mechanism and has a larger code and data size.  Note that
+these values will vary depending on the efficiency of the
+compiler and the compiler options used during generation.
+
+  Previous Release
+    Non-Debug Version:  68.7K Code,   7.4K Data,   76.1K Total
+    Debug Version:     142.9K Code,  58.7K Data,  201.6K Total
+  Current Release:
+    Non-Debug Version:  69.1K Code,   8.2K Data,   77.3K Total
+    Debug Version:     149.4K Code,  61.6K Data,  211.0K Total
+
+
+2) Linux
+
+Fixed a panic in the EC driver (Dominik Brodowski)
+
+Implemented checksum of the R/XSDT itself during Linux table
+scan (Richard Schaal)
+
+
+3) iASL compiler
+
+The AML disassembler is integrated into the compiler.  The "-
+d" option invokes the disassembler  to completely disassemble
+an input AML file, producing as output a text ASL file with
+the extension ".dsl" (to avoid name collisions with existing
+.asl source files.)  A future enhancement will allow the
+disassembler to obtain the BIOS DSDT from the registry under
+Windows.
+
+Fixed a problem with the VendorShort and VendorLong resource
+descriptors where an invalid AML sequence was created.
+
+Implemented a fix for BufferData term in the ASL parser.  It
+was inadvertently defined twice, allowing invalid syntax to
+pass and causing reduction conflicts.
+
+Fixed a problem where the Ones opcode could get converted to a
+value of zero if "Ones" was used where a byte, word or dword
+value was expected.  The 64-bit value is now truncated to the
+correct size with the correct value.
+
+
+----------------------------------------
+02 July 2002.  Summary of changes for this release.
+
+
+1) ACPI CA Core Subsystem Version 20020702:
+
+The Table Manager code has been restructured to add several
+new features.  Tables that are not required by the core
+subsystem (other than the FADT, DSDT, FACS, PSDTs, etc.) are
+no longer validated in any way and are returned from
+AcpiGetFirmwareTable if requested.  The AcpiOsTableOverride
+interface is now called for each table that is loaded by the
+subsystem in order to allow the host to override any table it
+chooses.  Previously, only the DSDT could be overridden.
+Added one new files, tbrsdt.c and tbgetall.c.
+
+Fixed a problem with the conversion of internal package
+objects to external objects (when a package is returned from a
+control method.)  The return buffer length was set to zero
+instead of the proper length of the package object.
+
+Fixed a reported problem with the use of the RefOf and DeRefOf
+operators when passing reference arguments to control methods.
+A new type of Reference object is used internally for
+references produced by the RefOf operator.
+
+Added additional error messages in the Resource Manager to
+explain AE_BAD_DATA errors when they occur during resource
+parsing.
+
+Split the AcpiEnableSubsystem into two primitives to enable a
+finer granularity initialization sequence.  These two calls
+should be called in this order: AcpiEnableSubsystem (flags),
+AcpiInitializeObjects (flags).  The flags parameter remains
+the same.
+
+
+2) Linux
+
+Updated the ACPI utilities module to understand the new style
+of fully resolved package objects that are now returned from
+the core subsystem.  This eliminates errors of the form:
+
+    ACPI: PCI Interrupt Routing Table [\_SB_.PCI0.PPB_._PRT]
+    acpi_utils-0430 [145] acpi_evaluate_reference:
+        Invalid element in package (not a device reference)
+
+The method evaluation utility uses the new buffer allocation
+scheme instead of calling AcpiEvaluate Object twice.
+
+Added support for ECDT. This allows the use of the Embedded
+Controller before the namespace has been fully initialized,
+which is necessary for ACPI 2.0 support, and for some laptops
+to initialize properly. (Laptops using ECDT are still rare, so
+only limited testing was performed of the added
+functionality.)
+
+Fixed memory leaks in the EC driver.
+
+Eliminated a brittle code structure in acpi_bus_init().
+
+Eliminated the acpi_evaluate() helper function in utils.c. It
+is no longer needed since acpi_evaluate_object can optionally
+allocate memory for the return object.
+
+Implemented fix for keyboard hang when getting battery
+readings on some systems (Stephen White)
+
+PCI IRQ routing update (Dominik Brodowski)
+
+Fix an ifdef to allow compilation on UP with LAPIC but no
+IOAPIC support
+
+----------------------------------------
+11 June 2002.  Summary of changes for this release.
+
+
+1) ACPI CA Core Subsystem Version 20020611:
+
+Fixed a reported problem where constants such as Zero and One
+appearing within _PRT packages were not handled correctly
+within the resource manager code.  Originally reported against
+the ASL compiler because the code generator now optimizes
+integers to their minimal AML representation (i.e. AML
+constants if possible.)  The _PRT code now handles all AML
+constant opcodes correctly (Zero, One, Ones, Revision).
+
+Fixed a problem with the Concatenate operator in the AML
+interpreter where a buffer result object was incorrectly
+marked as not fully evaluated, causing a run-time error of
+AE_AML_INTERNAL.
+
+All package sub-objects are now fully resolved before they are
+returned from the external ACPI interfaces.  This means that
+name strings are resolved to object handles, and constant
+operators (Zero, One, Ones, Revision) are resolved to
+Integers.
+
+Implemented immediate resolution of the AML Constant opcodes
+(Zero, One, Ones, Revision) to Integer objects upon detection
+within the AML stream. This has simplified and reduced the
+generated code size of the subsystem by eliminating about 10
+switch statements for these constants (which previously were
+contained in Reference objects.)  The complicating issues are
+that the Zero opcode is used as a "placeholder" for
+unspecified optional target operands and stores to constants
+are defined to be no-ops.
+
+Code and Data Size: Current core subsystem library sizes are
+shown below. These are the code and data sizes for the
+acpica.lib produced by the Microsoft Visual C++ 6.0 compiler,
+and these values do not include any ACPI driver or OSPM code.
+The debug version of the code includes the debug output trace
+mechanism and has a larger code and data size.  Note that
+these values will vary depending on the efficiency of the
+compiler and the compiler options used during generation.
+
+  Previous Release
+    Non-Debug Version:  69.3K Code,   7.4K Data,   76.7K Total
+    Debug Version:     143.8K Code,  58.8K Data,  202.6K Total
+  Current Release:
+    Non-Debug Version:  68.7K Code,   7.4K Data,   76.1K Total
+    Debug Version:     142.9K Code,  58.7K Data,  201.6K Total
+
+
+2) Linux
+
+Added preliminary support for obtaining _TRA data for PCI root
+bridges (Bjorn Helgaas).
+
+
+3) iASL Compiler Version X2046:
+
+Fixed a problem where the "_DDN" reserved name was defined to
+be a control method with one argument.  There are no
+arguments, and _DDN does not have to be a control method.
+
+Fixed a problem with the Linux version of the compiler where
+the source lines printed with error messages were the wrong
+lines.  This turned out to be the "LF versus CR/LF" difference
+between Windows and Unix.  This appears to be the longstanding
+issue concerning listing output and error messages.
+
+Fixed a problem with the Linux version of compiler where
+opcode names within error messages were wrong.  This was
+caused by a slight difference in the output of the Flex tool
+on Linux versus Windows.
+
+Fixed a problem with the Linux compiler where the hex output
+files contained some garbage data caused by an internal buffer
+overrun.
+
+
+----------------------------------------
+17 May 2002.  Summary of changes for this release.
+
+
+1) ACPI CA Core Subsystem Version 20020517:
+
+Implemented a workaround to an BIOS bug discovered on the HP
+OmniBook where the FADT revision number and the table size are
+inconsistent (ACPI 2.0 revision vs. ACPI 1.0 table size).  The
+new behavior is to fallback to using only the ACPI 1.0 fields
+of the FADT if the table is too small to be a ACPI 2.0 table
+as claimed by the revision number.  Although this is a BIOS
+bug, this is a case where the workaround is simple enough and
+with no side effects, so it seemed prudent to add it.  A
+warning message is issued, however.
+
+Implemented minimum size checks for the fixed-length ACPI
+tables -- the FADT and FACS, as well as consistency checks
+between the revision number and the table size.
+
+Fixed a reported problem in the table override support where
+the new table pointer was incorrectly treated as a physical
+address instead of a logical address.
+
+Eliminated the use of the AE_AML_ERROR exception and replaced
+it with more descriptive codes.
+
+Fixed a problem where an exception would occur if an ASL Field
+was defined with no named Field Units underneath it (used by
+some index fields).
+
+Code and Data Size: Current core subsystem library sizes are
+shown below.  These are the code and data sizes for the
+acpica.lib produced by the Microsoft Visual C++ 6.0 compiler,
+and these values do not include any ACPI driver or OSPM code.
+The debug version of the code includes the debug output trace
+mechanism and has a larger code and data size.  Note that
+these values will vary depending on the efficiency of the
+compiler and the compiler options used during generation.
+
+  Previous Release
+    Non-Debug Version:  68.8K Code,   7.1K Data,   75.9K Total
+    Debug Version:     142.9K Code,  58.4K Data,  201.3K Total
+  Current Release:
+    Non-Debug Version:  69.3K Code,   7.4K Data,   76.7K Total
+    Debug Version:     143.8K Code,  58.8K Data,  202.6K Total
+
+
+
+2) Linux
+
+Much work done on ACPI init (MADT and PCI IRQ routing
+support). (Paul D. and Dominik Brodowski)
+
+Fix PCI IRQ-related panic on boot (Sam Revitch)
+
+Set BM_ARB_DIS when entering a sleep state (Ducrot Bruno)
+
+Fix "MHz" typo (Dominik Brodowski)
+
+Fix RTC year 2000 issue (Dominik Brodowski)
+
+Preclude multiple button proc entries (Eric Brunet)
+
+Moved arch-specific code out of include/platform/aclinux.h
+
+3) iASL Compiler Version X2044:
+
+Implemented error checking for the string used in the EISAID
+macro (Usually used in the definition of the _HID object.)
+The code now strictly enforces the PnP format - exactly 7
+characters, 3 uppercase letters and 4 hex digits.
+
+If a raw string is used in the definition of the _HID object
+(instead of the EISAID macro), the string must contain all
+alphanumeric characters (e.g., "*PNP0011" is not allowed
+because of the asterisk.)
+
+Implemented checking for invalid use of ACPI reserved names
+for most of the name creation operators (Name, Device, Event,
+Mutex, OperationRegion, PowerResource, Processor, and
+ThermalZone.)  Previously, this check was only performed for
+control methods.
+
+Implemented an additional check on the Name operator to emit
+an error if a reserved name that must be implemented in ASL as
+a control method is used.  We know that a reserved name must
+be a method if it is defined with input arguments.
+
+The warning emitted when a namespace object reference is not
+found during the cross reference phase has been changed into
+an error.  The "External" directive should be used for names
+defined in other modules.
+
+
+4) Tools and Utilities
+
+The 16-bit tools (adump16 and aexec16) have been regenerated
+and tested.
+
+Fixed a problem with the output of both acpidump and adump16
+where the indentation of closing parentheses and brackets was
+not aligned properly with the parent block.
+
+
+----------------------------------------
+03 May 2002.  Summary of changes for this release.
+
+
+1) ACPI CA Core Subsystem Version 20020503:
+
+Added support a new OSL interface that allows the host
+operating system software to override the DSDT found in the
+firmware - AcpiOsTableOverride.  With this interface, the OSL
+can examine the version of the firmware DSDT and replace it
+with a different one if desired.
+
+Added new external interfaces for accessing ACPI registers
+from device drivers and other system software -
+AcpiGetRegister and AcpiSetRegister.  This was simply an
+externalization of the existing AcpiHwBitRegister interfaces.
+
+Fixed a regression introduced in the previous build where the
+ASL/AML CreateField operator always returned an error,
+"destination must be a NS Node".
+
+Extended the maximum time (before failure) to successfully
+enable ACPI mode to 3 seconds.
+
+Code and Data Size: Current core subsystem library sizes are
+shown below.  These are the code and data sizes for the
+acpica.lib produced by the Microsoft Visual C++ 6.0 compiler,
+and these values do not include any ACPI driver or OSPM code.
+The debug version of the code includes the debug output trace
+mechanism and has a larger code and data size.  Note that
+these values will vary depending on the efficiency of the
+compiler and the compiler options used during generation.
+
+  Previous Release
+    Non-Debug Version:  68.5K Code,   7.0K Data,   75.5K Total
+    Debug Version:     142.4K Code,  58.3K Data,  200.7K Total
+  Current Release:
+    Non-Debug Version:  68.8K Code,   7.1K Data,   75.9K Total
+    Debug Version:     142.9K Code,  58.4K Data,  201.3K Total
+
+
+2) Linux
+
+Enhanced ACPI init code for SMP. We are now fully MPS and $PIR-
+free. While 3 out of 4 of our in-house systems work fine, the
+last one still hangs when testing the LAPIC timer.
+
+Renamed many files in 2.5 kernel release to omit "acpi_" from
+the name.
+
+Added warning on boot for Presario 711FR.
+
+Sleep improvements (Pavel Machek)
+
+ACPI can now be built without CONFIG_PCI enabled.
+
+IA64: Fixed memory map functions (JI Lee)
+
+
+3) iASL Compiler Version X2043:
+
+Added support to allow the compiler to be integrated into the
+MS VC++ development environment for one-button compilation of
+single files or entire projects -- with error-to-source-line
+mapping.
+
+Implemented support for compile-time constant folding for the
+Type3, Type4, and Type5 opcodes first defined in the ACPI 2.0
+specification.  This allows the ASL writer to use expressions
+instead of Integer/Buffer/String constants in terms that must
+evaluate to constants at compile time and will also simplify
+the emitted AML in any such sub-expressions that can be folded
+(evaluated at compile-time.)  This increases the size of the
+compiler significantly because a portion of the ACPI CA AML
+interpreter is included within the compiler in order to pre-
+evaluate constant expressions.
+
+Fixed a problem with the "Unicode" ASL macro that caused the
+compiler to fault.  (This macro is used in conjunction with
+the _STR reserved name.)
+
+Implemented an AML opcode optimization to use the Zero, One,
+and Ones opcodes where possible to further reduce the size of
+integer constants and thus reduce the overall size of the
+generated AML code.
+
+Implemented error checking for new reserved terms for ACPI
+version 2.0A.
+
+Implemented the -qr option to display the current list of ACPI
+reserved names known to the compiler.
+
+Implemented the -qc option to display the current list of ASL
+operators that are allowed within constant expressions and can
+therefore be folded at compile time if the operands are
+constants.
+
+
+4) Documentation
+
+Updated the Programmer's Reference for new interfaces, data
+types, and memory allocation model options.
+
+Updated the iASL Compiler User Reference to apply new format
+and add information about new features and options.
+
+----------------------------------------
+19 April 2002.  Summary of changes for this release.
+
+1) ACPI CA Core Subsystem Version 20020419:
+
+The source code base for the Core Subsystem has been
+completely cleaned with PC-lint (FlexLint) for both 32-bit and
+64-bit versions.  The Lint option files used are included in
+the /acpi/generate/lint directory.
+
+Implemented enhanced status/error checking across the entire
+Hardware manager subsystem.  Any hardware errors (reported
+from the OSL) are now bubbled up and will abort a running
+control method.
+
+Fixed a problem where the per-ACPI-table integer width (32 or
+64) was stored only with control method nodes, causing a fault
+when non-control method code was executed during table
+loading.  The solution implemented uses a global variable to
+indicate table width across the entire ACPI subsystem.
+Therefore, ACPI CA does not support mixed integer widths
+across different ACPI tables (DSDT, SSDT).
+
+Fixed a problem where NULL extended fields (X fields) in an
+ACPI 2.0 ACPI FADT caused the table load to fail.  Although
+the existing ACPI specification is a bit fuzzy on this topic,
+the new behavior is to fall back on a ACPI 1.0 field if the
+corresponding ACPI 2.0 X field is zero (even though the table
+revision indicates a full ACPI 2.0 table.)  The ACPI
+specification will be updated to clarify this issue.
+
+Fixed a problem with the SystemMemory operation region handler
+where memory was always accessed byte-wise even if the AML-
+specified access width was larger than a byte.  This caused
+problems on systems with memory-mapped I/O.  Memory is now
+accessed with the width specified.  On systems that do not
+support non-aligned transfers, a check is made to guarantee
+proper address alignment before proceeding in order to avoid
+an AML-caused alignment fault within the kernel.
+
+Fixed a problem with the ExtendedIrq resource where only one
+byte of the 4-byte Irq field was extracted.
+
+Fixed the AcpiExDigitsNeeded() procedure to support _UID.
+This function was out of date and required a rewrite.
+
+Code and Data Size: Current core subsystem library sizes are
+shown below.  These are the code and data sizes for the
+acpica.lib produced by the Microsoft Visual C++ 6.0 compiler,
+and these values do not include any ACPI driver or OSPM code.
+The debug version of the code includes the debug output trace
+mechanism and has a larger code and data size.  Note that
+these values will vary depending on the efficiency of the
+compiler and the compiler options used during generation.
+
+  Previous Release
+    Non-Debug Version:  66.6K Code,   6.5K Data,   73.1K Total
+    Debug Version:     139.8K Code,  57.4K Data,  197.2K Total
+  Current Release:
+    Non-Debug Version:  68.5K Code,   7.0K Data,   75.5K Total
+    Debug Version:     142.4K Code,  58.3K Data,  200.7K Total
+
+
+2) Linux
+
+PCI IRQ routing fixes (Dominik Brodowski)
+
+
+3) iASL Compiler Version X2042:
+
+Implemented an additional compile-time error check for a field
+unit whose size + minimum access width would cause a run-time
+access beyond the end-of-region.  Previously, only the field
+size itself was checked.
+
+The Core subsystem and iASL compiler now share a common parse
+object in preparation for compile-time evaluation of the type
+3/4/5 ASL operators.
+
+
+----------------------------------------
+Summary of changes for this release: 03_29_02
+
+1) ACPI CA Core Subsystem Version 20020329:
+
+Implemented support for late evaluation of TermArg operands to
+Buffer and Package objects.  This allows complex expressions
+to be used in the declarations of these object types.
+
+Fixed an ACPI 1.0 compatibility issue when reading Fields. In
+ACPI 1.0, if the field was larger than 32 bits, it was
+returned as a buffer - otherwise it was returned as an
+integer.  In ACPI 2.0, the field is returned as a buffer only
+if the field is larger than 64 bits.  The TableRevision is now
+considered when making this conversion to avoid
+incompatibility with existing ASL code.
+
+Implemented logical addressing for AcpiOsGetRootPointer.  This
+allows an RSDP with either a logical or physical address.
+With this support, the host OS can now override all ACPI
+tables with one logical RSDP.  Includes implementation of
+"typed" pointer support to allow a common data type for both
+physical and logical pointers internally.  This required a
+change to the AcpiOsGetRootPointer interface.
+
+Implemented the use of ACPI 2.0 Generic Address Structures for
+all GPE, Fixed Event, and PM Timer I/O.  This allows the use
+of memory mapped I/O for these ACPI features.
+
+Initialization now ignores not only non-required tables (All
+tables other than the FADT, FACS, DSDT, and SSDTs), but also
+does not validate the table headers of unrecognized tables.
+
+Fixed a problem where a notify handler could only be
+installed/removed on an object of type Device.  All "notify"
+objects are now supported -- Devices, Processor, Power, and
+Thermal.
+
+Removed most verbosity from the ACPI_DB_INFO debug level.
+Only critical information is returned when this debug level is
+enabled.
+
+Code and Data Size: Current core subsystem library sizes are
+shown below.  These are the code and data sizes for the
+acpica.lib produced by the Microsoft Visual C++ 6.0 compiler,
+and these values do not include any ACPI driver or OSPM code.
+The debug version of the code includes the debug output trace
+mechanism and has a larger code and data size.  Note that
+these values will vary depending on the efficiency of the
+compiler and the compiler options used during generation.
+
+  Previous Release
+    Non-Debug Version:  65.4K Code,   6.2K Data,   71.6K Total
+    Debug Version:     138.0K Code,  56.6K Data,  194.6K Total
+  Current Release:
+    Non-Debug Version:  66.6K Code,   6.5K Data,   73.1K Total
+    Debug Version:     139.8K Code,  57.4K Data,  197.2K Total
+
+
+2) Linux:
+
+The processor driver (acpi_processor.c) now fully supports
+ACPI 2.0-based processor performance control (e.g. Intel(R)
+SpeedStep(TM) technology) Note that older laptops that only
+have the Intel "applet" interface are not supported through
+this.  The 'limit' and 'performance' interface (/proc) are
+fully functional.  [Note that basic policy for controlling
+performance state transitions will be included in the next
+version of ospmd.]  The idle handler was modified to more
+aggressively use C2, and PIIX4 errata handling underwent a
+complete overhaul (big thanks to Dominik Brodowski).
+
+Added support for ACPI-PCI device binding (acpi_pci_root.c).
+_ADR-based devices in the ACPI namespace are now dynamically
+bound (associated) with their PCI counterparts (e.g. PCI1-
+>01:00.0).  This allows, among other things, ACPI to resolve
+bus numbers for subordinate PCI bridges.
+
+Enhanced PCI IRQ routing to get the proper bus number for _PRT
+entries defined underneath PCI bridges.
+
+Added IBM 600E to bad bios list due to invalid _ADR value for
+PIIX4 PCI-ISA bridge, resulting in improper PCI IRQ routing.
+
+In the process of adding full MADT support (e.g. IOAPIC) for
+IA32 (acpi.c, mpparse.c) -- stay tuned.
+
+Added back visual differentiation between fixed-feature and
+control-method buttons in dmesg.  Buttons are also subtyped
+(e.g. button/power/PWRF) to simplify button identification.
+
+We no longer use -Wno-unused when compiling debug. Please
+ignore any "_THIS_MODULE defined but not used" messages.
+
+Can now shut down the system using "magic sysrq" key.
+
+
+3) iASL Compiler version 2041:
+
+Fixed a problem where conversion errors for hex/octal/decimal
+constants were not reported.
+
+Implemented a fix for the General Register template Address
+field.  This field was 8 bits when it should be 64.
+
+Fixed a problem where errors/warnings were no longer being
+emitted within the listing output file.
+
+Implemented the ACPI 2.0A restriction on ACPI Table Signatures
+to exactly 4 characters, alphanumeric only.
+
+
+
+
+----------------------------------------
+Summary of changes for this release: 03_08_02
+
+
+1) ACPI CA Core Subsystem Version 20020308:
+
+Fixed a problem with AML Fields where the use of the
+"AccessAny" keyword could cause an interpreter error due to
+attempting to read or write beyond the end of the parent
+Operation Region.
+
+Fixed a problem in the SystemMemory Operation Region handler
+where an attempt was made to map memory beyond the end of the
+region.  This was the root cause of the "AE_ERROR" and
+"AE_NO_MEMORY" errors on some Linux systems.
+
+Fixed a problem where the interpreter/namespace "search to
+root" algorithm was not functioning for some object types.
+Relaxed the internal restriction on the search to allow
+upsearches for all external object types as well as most
+internal types.
+
+
+2) Linux:
+
+We now use safe_halt() macro versus individual calls to sti |
+hlt.
+
+Writing to the processor limit interface should now work.
+"echo 1" will increase the limit, 2 will decrease, and 0 will
+reset to the default.
+
+
+3) ASL compiler:
+
+Fixed segfault on Linux version.
+
+
+----------------------------------------
+Summary of changes for this release: 02_25_02
+
+1) ACPI CA Core Subsystem:
+
+
+Fixed a problem where the GPE bit masks were not initialized
+properly, causing erratic GPE behavior.
+
+Implemented limited support for multiple calling conventions.
+The code can be generated with either the VPL (variable
+parameter list, or "C") convention, or the FPL (fixed
+parameter list, or "Pascal") convention.  The core subsystem
+is about 3.4% smaller when generated with FPL.
+
+
+2) Linux
+
+Re-add some /proc/acpi/event functionality that was lost
+during the rewrite
+
+Resolved issue with /proc events for fixed-feature buttons
+showing up as the system device.
+
+Fixed checks on C2/C3 latencies to be inclusive of maximum
+values.
+
+Replaced AE_ERRORs in acpi_osl.c with more specific error
+codes.
+
+Changed ACPI PRT option from "pci=noacpi-routing" to
+"pci=noacpi"
+
+Fixed limit interface & usage to fix bugs with passive cooling
+hysterisis.
+
+Restructured PRT support.
+
+
+----------------------------------------
+Summary of changes for this label: 02_14_02
+
+
+1) ACPI CA Core Subsystem:
+
+Implemented support in AcpiLoadTable to allow loading of FACS
+and FADT tables.
+
+Suport for the now-obsolete interim 0.71 64-bit ACPI tables
+has been removed.  All 64-bit platforms should be migrated to
+the ACPI 2.0 tables.  The actbl71.h header has been removed
+from the source tree.
+
+All C macros defined within the subsystem have been prefixed
+with "ACPI_" to avoid collision with other system include
+files.
+
+Removed the return value for the two AcpiOsPrint interfaces,
+since it is never used and causes lint warnings for ignoring
+the return value.
+
+Added error checking to all internal mutex acquire and release
+calls.  Although a failure from one of these interfaces is
+probably a fatal system error, these checks will cause the
+immediate abort of the currently executing method or
+interface.
+
+Fixed a problem where the AcpiSetCurrentResources interface
+could fault.  This was a side effect of the deployment of the
+new memory allocation model.
+
+Fixed a couple of problems with the Global Lock support
+introduced in the last major build.  The "common" (1.0/2.0)
+internal FACS was being overwritten with the FACS signature
+and clobbering the Global Lock pointer.  Also, the actual
+firmware FACS was being unmapped after construction of the
+"common" FACS, preventing access to the actual Global Lock
+field within it.  The "common" internal FACS is no longer
+installed as an actual ACPI table; it is used simply as a
+global.
+
+Code and Data Size: Current core subsystem library sizes are
+shown below.  These are the code and data sizes for the
+acpica.lib produced by the Microsoft Visual C++ 6.0 compiler,
+and these values do not include any ACPI driver or OSPM code.
+The debug version of the code includes the debug output trace
+mechanism and has a larger code and data size.  Note that
+these values will vary depending on the efficiency of the
+compiler and the compiler options used during generation.
+
+  Previous Release (02_07_01)
+    Non-Debug Version:  65.2K Code,   6.2K Data,   71.4K Total
+    Debug Version:     136.9K Code,  56.4K Data,  193.3K Total
+  Current Release:
+    Non-Debug Version:  65.4K Code,   6.2K Data,   71.6K Total
+    Debug Version:     138.0K Code,  56.6K Data,  194.6K Total
+
+
+2) Linux
+
+Updated Linux-specific code for core macro and OSL interface
+changes described above.
+
+Improved /proc/acpi/event. It now can be opened only once and
+has proper poll functionality.
+
+Fixed and restructured power management (acpi_bus).
+
+Only create /proc "view by type" when devices of that class
+exist.
+
+Fixed "charging/discharging" bug (and others) in acpi_battery.
+
+Improved thermal zone code.
+
+
+3) ASL Compiler, version X2039:
+
+Implemented the new compiler restriction on ASL String
+hex/octal escapes to non-null, ASCII values.  An error results
+if an invalid value is used.  (This will require an ACPI 2.0
+specification change.)
+
+AML object labels that are output to the optional C and ASM
+source are now prefixed with both the ACPI table signature and
+table ID to help guarantee uniqueness within a large BIOS
+project.
+
+
+----------------------------------------
+Summary of changes for this label: 02_01_02
+
+1) ACPI CA Core Subsystem:
+
+ACPI 2.0 support is complete in the entire Core Subsystem and
+the ASL compiler. All new ACPI 2.0 operators are implemented
+and all other changes for ACPI 2.0 support are complete.  With
+simultaneous code and data optimizations throughout the
+subsystem, ACPI 2.0 support has been implemented with almost
+no additional cost in terms of code and data size.
+
+Implemented a new mechanism for allocation of return buffers.
+If the buffer length is set to ACPI_ALLOCATE_BUFFER, the
+buffer will be allocated on behalf of the caller.
+Consolidated all return buffer validation and allocation to a
+common procedure.  Return buffers will be allocated via the
+primary OSL allocation interface since it appears that a
+separate pool is not needed by most users.  If a separate pool
+is required for these buffers, the caller can still use the
+original mechanism and pre-allocate the buffer(s).
+
+Implemented support for string operands within the DerefOf
+operator.
+
+Restructured the Hardware and Event managers to be table
+driven, simplifying the source code and reducing the amount of
+generated code.
+
+Split the common read/write low-level ACPI register bitfield
+procedure into a separate read and write, simplifying the code
+considerably.
+
+Obsoleted the AcpiOsCallocate OSL interface.  This interface
+was used only a handful of times and didn't have enough
+critical mass for a separate interface.  Replaced with a
+common calloc procedure in the core.
+
+Fixed a reported problem with the GPE number mapping mechanism
+that allows GPE1 numbers to be non-contiguous with GPE0.
+Reorganized the GPE information and shrunk a large array that
+was originally large enough to hold info for all possible GPEs
+(256) to simply large enough to hold all GPEs up to the
+largest GPE number on the machine.
+
+Fixed a reported problem with resource structure alignment on
+64-bit platforms.
+
+Changed the AcpiEnableEvent and AcpiDisableEvent external
+interfaces to not require any flags for the common case of
+enabling/disabling a GPE.
+
+Implemented support to allow a "Notify" on a Processor object.
+
+Most TBDs in comments within the source code have been
+resolved and eliminated.
+
+Fixed a problem in the interpreter where a standalone parent
+prefix (^) was not handled correctly in the interpreter and
+debugger.
+
+Removed obsolete and unnecessary GPE save/restore code.
+
+Implemented Field support in the ASL Load operator.  This
+allows a table to be loaded from a named field, in addition to
+loading a table directly from an Operation Region.
+
+Implemented timeout and handle support in the external Global
+Lock interfaces.
+
+Fixed a problem in the AcpiDump utility where pathnames were
+no longer being generated correctly during the dump of named
+objects.
+
+Modified the AML debugger to give a full display of if/while
+predicates instead of just one AML opcode at a time.  (The
+predicate can have several nested ASL statements.)  The old
+method was confusing during single stepping.
+
+Code and Data Size: Current core subsystem library sizes are
+shown below. These are the code and data sizes for the
+acpica.lib produced by the Microsoft Visual C++ 6.0 compiler,
+and these values do not include any ACPI driver or OSPM code.
+The debug version of the code includes the debug output trace
+mechanism and has a larger code and data size.  Note that
+these values will vary depending on the efficiency of the
+compiler and the compiler options used during generation.
+
+  Previous Release (12_18_01)
+     Non-Debug Version:  66.1K Code,   5.5K Data,   71.6K
+Total
+     Debug Version:     138.3K Code,  55.9K Data,  194.2K
+Total
+   Current Release:
+     Non-Debug Version:  65.2K Code,   6.2K Data,   71.4K
+Total
+     Debug Version:     136.9K Code,  56.4K Data,  193.3K
+Total
+
+2) Linux
+
+ Implemented fix for PIIX reverse throttling errata (Processor
+driver)
+
+Added new Limit interface (Processor and Thermal drivers)
+
+New thermal policy (Thermal driver)
+
+Many updates to /proc
+
+Battery "low" event support (Battery driver)
+
+Supports ACPI PCI IRQ routing (PCI Link and PCI root drivers)
+
+IA32 - IA64 initialization unification, no longer experimental
+
+Menuconfig options redesigned
+
+3) ASL Compiler, version X2037:
+
+Implemented several new output features to simplify
+integration of AML code into  firmware: 1) Output the AML in C
+source code with labels for each named ASL object.  The
+original ASL source code is interleaved as C comments. 2)
+Output the AML in ASM source code with labels and interleaved
+ASL    source. 3) Output the AML in raw hex table form, in
+either C or ASM.
+
+Implemented support for optional string parameters to the
+LoadTable operator.
+
+Completed support for embedded escape sequences within string
+literals.  The compiler now supports all single character
+escapes as well as the Octal and Hex escapes.  Note: the
+insertion of a null byte into a string literal (via the
+hex/octal escape) causes the string to be immediately
+terminated.  A warning is issued.
+
+Fixed a problem where incorrect AML was generated for the case
+where an ASL namepath consists of a single parent prefix (
+
+) with no trailing name segments.
+
+The compiler has been successfully generated with a 64-bit C
+compiler.
+
+
+
+
+----------------------------------------
+Summary of changes for this label: 12_18_01
+
+1) Linux
+
+Enhanced blacklist with reason and severity fields. Any
+table's signature may now be used to identify a blacklisted
+system.
+
+Call _PIC control method to inform the firmware which
+interrupt model the OS is using. Turn on any disabled link
+devices.
+
+Cleaned up busmgr /proc error handling (Andreas Dilger)
+
+ 2) ACPI CA Core Subsystem:
+
+Implemented ACPI 2.0 semantics for the "Break" operator (Exit
+from while loop)
+
+Completed implementation of the ACPI 2.0 "Continue",
+"ConcatenateResTemplate", "DataTableRegion", and "LoadTable"
+operators.  All new ACPI 2.0 operators are now implemented in
+both the ASL compiler and the AML interpreter.  The only
+remaining ACPI 2.0 task is support for the String data type in
+the DerefOf operator.  Fixed a problem with AcquireMutex where
+the status code was lost if the caller had to actually wait
+for the mutex.
+
+Increased the maximum ASL Field size from 64K bits to 4G bits.
+
+Completed implementation of the external Global Lock
+interfaces -- AcpiAcquireGlobalLock and AcpiReleaseGlobalLock.
+The Timeout and Handler parameters were added.
+
+Completed another pass at removing warnings and issues when
+compiling with 64-bit compilers.  The code now compiles
+cleanly with the Intel 64-bit C/C++ compiler.  Most notably,
+the pointer add and subtract (diff) macros have changed
+considerably.
+
+Created and deployed a new ACPI_SIZE type that is 64-bits wide
+on 64-bit platforms, 32-bits on all others.  This type is used
+wherever memory allocation and/or the C sizeof() operator is
+used, and affects the OSL memory allocation interfaces
+AcpiOsAllocate and AcpiOsCallocate.
+
+Implemented sticky user breakpoints in the AML debugger.
+
+Code and Data Size: Current core subsystem library sizes are
+shown below. These are the code and data sizes for the
+acpica.lib produced by the Microsoft Visual C++ 6.0 compiler,
+and these values do not include any ACPI driver or OSPM code.
+The debug version of the code includes the debug output trace
+mechanism and has a larger code and data size. Note that these
+values will vary depending on the efficiency of the compiler
+and the compiler options used during generation.
+
+  Previous Release (12_05_01)
+     Non-Debug Version:  64.7K Code,   5.3K Data,   70.0K
+Total
+     Debug Version:     136.2K Code,  55.6K Data,  191.8K
+Total
+   Current Release:
+     Non-Debug Version:  66.1K Code,   5.5K Data,   71.6K
+Total
+     Debug Version:     138.3K Code,  55.9K Data,  194.2K
+Total
+
+ 3) ASL Compiler, version X2034:
+
+Now checks for (and generates an error if detected) the use of
+a Break or Continue statement without an enclosing While
+statement.
+
+Successfully generated the compiler with the Intel 64-bit C
+compiler.
+
+ ----------------------------------------
+Summary of changes for this label: 12_05_01
+
+ 1) ACPI CA Core Subsystem:
+
+The ACPI 2.0 CopyObject operator is fully implemented.  This
+operator creates a new copy of an object (and is also used to
+bypass the "implicit conversion" mechanism of the Store
+operator.)
+
+The ACPI 2.0 semantics for the SizeOf operator are fully
+implemented.  The change is that performing a SizeOf on a
+reference object causes an automatic dereference of the object
+to tha actual value before the size is evaluated. This
+behavior was undefined in ACPI 1.0.
+
+The ACPI 2.0 semantics for the Extended IRQ resource
+descriptor have been implemented.  The interrupt polarity and
+mode are now independently set.
+
+Fixed a problem where ASL Constants (Zero, One, Ones,
+Revision) appearing in Package objects were not properly
+converted to integers when the internal Package was converted
+to an external object (via the AcpiEvaluateObject interface.)
+
+Fixed a problem with the namespace object deletion mechanism
+for objects created by control methods.  There were two parts
+to this problem: 1) Objects created during the initialization
+phase method parse were not being deleted, and 2) The object
+owner ID mechanism to track objects was broken.
+
+Fixed a problem where the use of the ASL Scope operator within
+a control method would result in an invalid opcode exception.
+
+Fixed a problem introduced in the previous label where the
+buffer length required for the _PRT structure was not being
+returned correctly.
+
+Code and Data Size: Current core subsystem library sizes are
+shown below. These are the code and data sizes for the
+acpica.lib produced by the Microsoft Visual C++ 6.0 compiler,
+and these values do not include any ACPI driver or OSPM code.
+The debug version of the code includes the debug output trace
+mechanism and has a larger code and data size.  Note that
+these values will vary depending on the efficiency of the
+compiler and the compiler options used during generation.
+
+  Previous Release (11_20_01)
+     Non-Debug Version:  64.1K Code,   5.3K Data,   69.4K
+Total
+     Debug Version:     135.1K Code,  55.4K Data,  190.5K
+Total
+
+  Current Release:
+     Non-Debug Version:  64.7K Code,   5.3K Data,   70.0K
+Total
+     Debug Version:     136.2K Code,  55.6K Data,  191.8K
+Total
+
+ 2) Linux:
+
+Updated all files to apply cleanly against 2.4.16.
+
+Added basic PCI Interrupt Routing Table (PRT) support for IA32
+(acpi_pci.c), and unified the PRT code for IA32 and IA64.
+This version supports both static and dyanmic PRT entries, but
+dynamic entries are treated as if they were static (not yet
+reconfigurable).  Architecture- specific code to use this data
+is absent on IA32 but should be available shortly.
+
+Changed the initialization sequence to start the ACPI
+interpreter (acpi_init) prior to initialization of the PCI
+driver (pci_init) in init/main.c.  This ordering is required
+to support PRT and facilitate other (future) enhancement.  A
+side effect is that the ACPI bus driver and certain device
+drivers can no longer be loaded as modules.
+
+Modified the 'make menuconfig' options to allow PCI Interrupt
+Routing support to be included without the ACPI Bus and other
+device drivers.
+
+ 3) ASL Compiler, version X2033:
+
+Fixed some issues with the use of the new CopyObject and
+DataTableRegion operators.  Both are fully functional.
+
+ ----------------------------------------
+Summary of changes for this label: 11_20_01
+
+ 20 November 2001.  Summary of changes for this release.
+
+ 1) ACPI CA Core Subsystem:
+
+Updated Index support to match ACPI 2.0 semantics.  Storing a
+Integer, String, or Buffer to an Index of a Buffer will store
+only the least-significant byte of the source to the Indexed
+buffer byte.  Multiple writes are not performed.
+
+Fixed a problem where the access type used in an AccessAs ASL
+operator was not recorded correctly into the field object.
+
+Fixed a problem where ASL Event objects were created in a
+signalled state. Events are now created in an unsignalled
+state.
+
+The internal object cache is now purged after table loading
+and initialization to reduce the use of dynamic kernel memory
+-- on the assumption that object use is greatest during the
+parse phase of the entire table (versus the run-time use of
+individual control methods.)
+
+ACPI 2.0 variable-length packages are now fully operational.
+
+Code and Data Size: Code and Data optimizations have permitted
+new feature development with an actual reduction in the
+library size.  Current core subsystem library sizes are shown
+below.  These are the code and data sizes for the acpica.lib
+produced by the Microsoft Visual C++ 6.0 compiler, and these
+values do not include any ACPI driver or OSPM code.  The debug
+version of the code includes the debug output trace mechanism
+and has a larger code and data size.  Note that these values
+will vary depending on the efficiency of the compiler and the
+compiler options used during generation.
+
+  Previous Release (11_09_01):
+     Non-Debug Version:  63.7K Code,   5.2K Data,   68.9K
+Total
+     Debug Version:     134.5K Code,  55.4K Data,  189.9K
+Total
+
+  Current Release:
+     Non-Debug Version:  64.1K Code,   5.3K Data,   69.4K
+Total
+     Debug Version:     135.1K Code,  55.4K Data,  190.5K
+Total
+
+ 2) Linux:
+
+Enhanced the ACPI boot-time initialization code to allow the
+use of Local APIC tables for processor enumeration on IA-32,
+and to pave the way for a fully MPS-free boot (on SMP systems)
+in the near future.  This functionality replaces
+arch/i386/kernel/acpitables.c, which was introduced in an
+earlier 2.4.15-preX release.  To enable this feature you must
+add "acpi_boot=on" to the kernel command line -- see the help
+entry for CONFIG_ACPI_BOOT for more information.  An IA-64
+release is in the works...
+
+Restructured the configuration options to allow boot-time
+table parsing support without inclusion of the ACPI
+Interpreter (and other) code.
+
+NOTE: This release does not include fixes for the reported
+events, power-down, and thermal passive cooling issues (coming
+soon).
+
+ 3) ASL Compiler:
+
+Added additional typechecking for Fields within restricted
+access Operation Regions.  All fields within EC and CMOS
+regions must be declared with ByteAcc. All fields withing
+SMBus regions must be declared with the BufferAcc access type.
+
+Fixed a problem where the listing file output of control
+methods no longer interleaved the actual AML code with the ASL
+source code.
+
+
+
+----------------------------------------
+Summary of changes for this label: 11_09_01
+
+1) ACPI CA Core Subsystem:
+
+Implemented ACPI 2.0-defined support for writes to fields with
+a Buffer, String, or Integer source operand that is smaller
+than the target field. In these cases, the source operand is
+zero-extended to fill the target field.
+
+Fixed a problem where a Field starting bit offset (within the
+parent operation region) was calculated incorrectly if the
+alignment of the field differed from the access width.  This
+affected CreateWordField, CreateDwordField, CreateQwordField,
+and possibly other fields that use the "AccessAny" keyword.
+
+Fixed a problem introduced in the 11_02_01 release where
+indirect stores through method arguments did not operate
+correctly.
+
+2) Linux:
+
+Implemented boot-time ACPI table parsing support
+(CONFIG_ACPI_BOOT) for IA32 and IA64 UP/SMP systems.  This
+code facilitates the use of ACPI tables (e.g. MADT, SRAT)
+rather than legacy BIOS interfaces (e.g. MPS) for the
+configuration of system processors, memory, and interrupts
+during setup_arch().  Note that this patch does not include
+the required architecture-specific changes required to apply
+this information -- subsequent patches will be posted for both
+IA32 and IA64 to achieve this.
+
+Added low-level sleep support for IA32 platforms, courtesy of
+Pat Mochel. This allows IA32 systems to transition to/from
+various sleeping states (e.g. S1, S3), although the lack of a
+centralized driver model and power-manageable drivers will
+prevent its (successful) use on most systems.
+
+Revamped the ACPI 'menuconfig' layout: created new "ACPI
+Support" submenu, unified IA32 and IA64 options, added new
+"Boot using ACPI tables" option, etc.
+
+Increased the default timeout for the EC driver from 1ms to
+10ms (1000 cycles of 10us) to try to address AE_TIME errors
+during EC transactions.
+
+ ----------------------------------------
+Summary of changes for this label: 11_02_01
+
+1) ACPI CA Core Subsystem:
+
+ACPI 2.0 Support: Implemented ACPI 2.0 64-bit Field access
+(QWordAcc keyword). All ACPI 2.0 64-bit support is now
+implemented.
+
+OSL Interfaces: Several of the OSL (AcpiOs*) interfaces
+required changes to support ACPI 2.0 Qword field access.
+Read/Write PciConfiguration(), Read/Write Memory(), and
+Read/Write Port() now accept an ACPI_INTEGER (64 bits) as the
+value parameter.  Also, the value parameter for the address
+space handler interface is now an ACPI_INTEGER.  OSL
+implementations of these interfaces must now handle the case
+where the Width parameter is 64.
+
+Index Fields: Fixed a problem where unaligned bit assembly and
+disassembly for IndexFields was not supported correctly.
+
+Index and Bank Fields:  Nested Index and Bank Fields are now
+supported. During field access, a check is performed to ensure
+that the value written to an Index or Bank register is not out
+of the range of the register.  The Index (or Bank) register is
+written before each access to the field data. Future support
+will include allowing individual IndexFields to be wider than
+the DataRegister width.
+
+Fields: Fixed a problem where the AML interpreter was
+incorrectly attempting to write beyond the end of a
+Field/OpRegion.  This was a boundary case that occurred when a
+DWORD field was written to a BYTE access OpRegion, forcing
+multiple writes and causing the interpreter to write one datum
+too many.
+
+Fields: Fixed a problem with Field/OpRegion access where the
+starting bit address of a field was incorrectly calculated if
+the current access type was wider than a byte (WordAcc,
+DwordAcc, or QwordAcc).
+
+Fields: Fixed a problem where forward references to individual
+FieldUnits (individual Field names within a Field definition)
+were not resolved during the AML table load.
+
+Fields: Fixed a problem where forward references from a Field
+definition to the parent Operation Region definition were not
+resolved during the AML table load.
+
+Fields: Duplicate FieldUnit names within a scope are now
+detected during AML table load.
+
+Acpi Interfaces: Fixed a problem where the AcpiGetName()
+interface returned an incorrect name for the root node.
+
+Code and Data Size: Code and Data optimizations have permitted
+new feature development with an actual reduction in the
+library size.  Current core subsystem library sizes are shown
+below.  These are the code and data sizes for the acpica.lib
+produced by the Microsoft Visual C++ 6.0 compiler, and these
+values do not include any ACPI driver or OSPM code.  The debug
+version of the code includes the debug output trace mechanism
+and has a larger code and data size.  Note that these values
+will vary depending on the efficiency of the compiler and the
+compiler options used during generation.
+
+  Previous Release (10_18_01):
+     Non-Debug Version:  63.9K Code,   5.1K Data,   69.0K
+Total
+     Debug Version:     136.7K Code,  57.4K Data,  194.2K
+Total
+
+  Current Release:
+     Non-Debug Version:  63.7K Code,   5.2K Data,   68.9K
+Total
+     Debug Version:     134.5K Code,  55.4K Data,  189.9K
+Total
+
+ 2) Linux:
+
+Improved /proc processor output (Pavel Machek) Re-added
+MODULE_LICENSE("GPL") to all modules.
+
+ 3) ASL Compiler version X2030:
+
+Duplicate FieldUnit names within a scope are now detected and
+flagged as errors.
+
+ 4) Documentation:
+
+Programmer Reference updated to reflect OSL and address space
+handler interface changes described above.
+
+----------------------------------------
+Summary of changes for this label: 10_18_01
+
+ACPI CA Core Subsystem:
+
+Fixed a problem with the internal object reference count
+mechanism that occasionally caused premature object deletion.
+This resolves all of the outstanding problem reports where an
+object is deleted in the middle of an interpreter evaluation.
+Although this problem only showed up in rather obscure cases,
+the solution to the problem involved an adjustment of all
+reference counts involving objects attached to namespace
+nodes.
+
+Fixed a problem with Field support in the interpreter where
+writing to an aligned field whose length is an exact multiple
+(2 or greater) of the field access granularity would cause an
+attempt to write beyond the end of the field.
+
+The top level AML opcode execution functions within the
+interpreter have been renamed with a more meaningful and
+consistent naming convention.  The modules exmonad.c and
+exdyadic.c were eliminated.  New modules are exoparg1.c,
+exoparg2.c, exoparg3.c, and exoparg6.c.
+
+Support for the ACPI 2.0 "Mid" ASL operator has been
+implemented.
+
+Fixed a problem where the AML debugger was causing some
+internal objects to not be deleted during subsystem
+termination.
+
+Fixed a problem with the external AcpiEvaluateObject interface
+where the subsystem would fault if the named object to be
+evaluated refered to a constant such as Zero, Ones, etc.
+
+Fixed a problem with IndexFields and BankFields where the
+subsystem would fault if the index, data, or bank registers
+were not defined in the same scope as the field itself.
+
+Added printf format string checking for compilers that support
+this feature.  Corrected more than 50 instances of issues with
+format specifiers within invocations of ACPI_DEBUG_PRINT
+throughout the core subsystem code.
+
+The ASL "Revision" operator now returns the ACPI support level
+implemented in the core - the value "2" since the ACPI 2.0
+support is more than 50% implemented.
+
+Enhanced the output of the AML debugger "dump namespace"
+command to output in a more human-readable form.
+
+Current core subsystem library code sizes are shown below.
+These are the code and data sizes for the acpica.lib produced
+by the Microsoft Visual C++ 6.0 compiler, and these values do
+not include any ACPI driver or OSPM code.  The debug version
+of the code includes the full debug trace mechanism -- leading
+to a much larger code and data size.  Note that these values
+will vary depending on the efficiency of the compiler and the
+compiler options used during generation.
+
+     Previous Label (09_20_01):
+     Non-Debug Version:    65K Code,     5K Data,     70K
+Total
+     Debug Version:       138K Code,    58K Data,    196K
+Total
+
+     This Label:
+     Non-Debug Version:  63.9K Code,   5.1K Data,   69.0K
+Total
+     Debug Version:     136.7K Code,  57.4K Data,  194.2K
+Total
+
+Linux:
+
+Implemented a "Bad BIOS Blacklist" to track machines that have
+known ASL/AML problems.
+
+Enhanced the /proc interface for the thermal zone driver and
+added support for _HOT (the critical suspend trip point).  The
+'info' file now includes threshold/policy information, and
+allows setting of _SCP (cooling preference) and _TZP (polling
+frequency) values to the 'info' file. Examples: "echo tzp=5 >
+info" sets the polling frequency to 5 seconds, and "echo scp=1
+> info" sets the cooling preference to the passive/quiet mode
+(if supported by the ASL).
+
+Implemented a workaround for a gcc bug that resuted in an OOPs
+when loading the control method battery driver.
+
+ ----------------------------------------
+Summary of changes for this label: 09_20_01
+
+ ACPI CA Core Subsystem:
+
+The AcpiEnableEvent and AcpiDisableEvent interfaces have been
+modified to allow individual GPE levels to be flagged as wake-
+enabled (i.e., these GPEs are to remain enabled when the
+platform sleeps.)
+
+The AcpiEnterSleepState and AcpiLeaveSleepState interfaces now
+support wake-enabled GPEs.  This means that upon entering the
+sleep state, all GPEs that are not wake-enabled are disabled.
+When leaving the sleep state, these GPEs are reenabled.
+
+A local double-precision divide/modulo module has been added
+to enhance portability to OS kernels where a 64-bit math
+library is not available.  The new module is "utmath.c".
+
+Several optimizations have been made to reduce the use of CPU
+stack.  Originally over 2K, the maximum stack usage is now
+below 2K at 1860  bytes (1.82k)
+
+Fixed a problem with the AcpiGetFirmwareTable interface where
+the root table pointer was not mapped into a logical address
+properly.
+
+Fixed a problem where a NULL pointer was being dereferenced in
+the interpreter code for the ASL Notify operator.
+
+Fixed a problem where the use of the ASL Revision operator
+returned an error. This operator now returns the current
+version of the ACPI CA core subsystem.
+
+Fixed a problem where objects passed as control method
+parameters to AcpiEvaluateObject were always deleted at method
+termination.  However, these objects may end up being stored
+into the namespace by the called method.  The object reference
+count mechanism was applied to these objects instead of a
+force delete.
+
+Fixed a problem where static strings or buffers (contained in
+the AML code) that are declared as package elements within the
+ASL code could cause a fault because the interpreter would
+attempt to delete them.  These objects are now marked with the
+"static object" flag to prevent any attempt to delete them.
+
+Implemented an interpreter optimization to use operands
+directly from the state object instead of extracting the
+operands to local variables.  This reduces stack use and code
+size, and improves performance.
+
+The module exxface.c was eliminated as it was an unnecessary
+extra layer of code.
+
+Current core subsystem library code sizes are shown below.
+These are the code and data sizes for the acpica.lib produced
+by the Microsoft Visual C++ 6.0 compiler, and these values do
+not include any ACPI driver or OSPM code.  The debug version
+of the code includes the full debug trace mechanism -- leading
+to a much larger code and data size.  Note that these values
+will vary depending on the efficiency of the compiler and the
+compiler options used during generation.
+
+  Non-Debug Version:  65K Code,   5K Data,   70K Total
+(Previously 69K)   Debug Version:     138K Code,  58K Data,
+196K Total  (Previously 195K)
+
+Linux:
+
+Support for ACPI 2.0 64-bit integers has been added.   All
+ACPI Integer objects are now 64 bits wide
+
+All Acpi data types and structures are now in lower case.
+Only Acpi macros are upper case for differentiation.
+
+ Documentation:
+
+Changes to the external interfaces as described above.
+
+ ----------------------------------------
+Summary of changes for this label: 08_31_01
+
+ ACPI CA Core Subsystem:
+
+A bug with interpreter implementation of the ASL Divide
+operator was found and fixed.  The implicit function return
+value (not the explicit store operands) was returning the
+remainder instead of the quotient.  This was a longstanding
+bug and it fixes several known outstanding issues on various
+platforms.
+
+The ACPI_DEBUG_PRINT and function trace entry/exit macros have
+been further optimized for size.  There are 700 invocations of
+the DEBUG_PRINT macro alone, so each optimization reduces the
+size of the debug version of the subsystem significantly.
+
+A stack trace mechanism has been implemented.  The maximum
+stack usage is about 2K on 32-bit platforms.  The debugger
+command "stat stack" will display the current maximum stack
+usage.
+
+All public symbols and global variables within the subsystem
+are now prefixed with the string "Acpi".  This keeps all of
+the symbols grouped together in a kernel map, and avoids
+conflicts with other kernel subsystems.
+
+Most of the internal fixed lookup tables have been moved into
+the code segment via the const operator.
+
+Several enhancements have been made to the interpreter to both
+reduce the code size and improve performance.
+
+Current core subsystem library code sizes are shown below.
+These are the code and data sizes for the acpica.lib produced
+by the Microsoft Visual C++ 6.0 compiler, and these values do
+not include any ACPI driver or OSPM code.  The debug version
+of the code includes the full debug trace mechanism which
+contains over 700 invocations of the DEBUG_PRINT macro, 500
+function entry macro invocations, and over 900 function exit
+macro invocations -- leading to a much larger code and data
+size.  Note that these values will vary depending on the
+efficiency of the compiler and the compiler options used
+during generation.
+
+        Non-Debug Version:  64K Code,   5K Data,   69K Total
+Debug Version:     137K Code,  58K Data,  195K Total
+
+ Linux:
+
+Implemented wbinvd() macro, pending a kernel-wide definition.
+
+Fixed /proc/acpi/event to handle poll() and short reads.
+
+ ASL Compiler, version X2026:
+
+Fixed a problem introduced in the previous label where the AML
+code emitted for package objects produced packages with zero
+length.
+
+ ----------------------------------------
+Summary of changes for this label: 08_16_01
+
+ACPI CA Core Subsystem:
+
+The following ACPI 2.0 ASL operators have been implemented in
+the AML interpreter (These are already supported by the Intel
+ASL compiler):  ToDecimalString, ToHexString, ToString,
+ToInteger, and ToBuffer.  Support for 64-bit AML constants is
+implemented in the AML parser, debugger, and disassembler.
+
+The internal memory tracking mechanism (leak detection code)
+has been upgraded to reduce the memory overhead (a separate
+tracking block is no longer allocated for each memory
+allocation), and now supports all of the internal object
+caches.
+
+The data structures and code for the internal object caches
+have been coelesced and optimized so that there is a single
+cache and memory list data structure and a single group of
+functions that implement generic cache management.  This has
+reduced the code size in both the debug and release versions
+of the subsystem.
+
+The DEBUG_PRINT macro(s) have been optimized for size and
+replaced by ACPI_DEBUG_PRINT.  The syntax for this macro is
+slightly different, because it generates a single call to an
+internal function.  This results in a savings of about 90
+bytes per invocation, resulting in an overall code and data
+savings of about 16% in the debug version of the subsystem.
+
+ Linux:
+
+Fixed C3 disk corruption problems and re-enabled C3 on
+supporting machines.
+
+Integrated low-level sleep code by Patrick Mochel.
+
+Further tweaked source code Linuxization.
+
+Other minor fixes.
+
+ ASL Compiler:
+
+Support for ACPI 2.0 variable length packages is
+fixed/completed.
+
+Fixed a problem where the optional length parameter for the
+ACPI 2.0 ToString operator.
+
+Fixed multiple extraneous error messages when a syntax error
+is detected within the declaration line of a control method.
+
+ ----------------------------------------
+Summary of changes for this label: 07_17_01
+
+ACPI CA Core Subsystem:
+
+Added a new interface named AcpiGetFirmwareTable to obtain any
+ACPI table via the ACPI signature.  The interface can be
+called at any time during kernel initialization, even before
+the kernel virtual memory manager is initialized and paging is
+enabled.  This allows kernel subsystems to obtain ACPI tables
+very early, even before the ACPI CA subsystem is initialized.
+
+Fixed a problem where Fields defined with the AnyAcc attribute
+could be resolved to the incorrect address under the following
+conditions: 1) the field width is larger than 8 bits and 2)
+the parent operation region is not defined on a DWORD
+boundary.
+
+Fixed a problem where the interpreter is not being locked
+during namespace initialization (during execution of the _INI
+control methods), causing an error when an attempt is made to
+release it later.
+
+ACPI 2.0 support in the AML Interpreter has begun and will be
+ongoing throughout the rest of this year.  In this label, The
+Mod operator is implemented.
+
+Added a new data type to contain full PCI addresses named
+ACPI_PCI_ID. This structure contains the PCI Segment, Bus,
+Device, and Function values.
+
+ Linux:
+
+Enhanced the Linux version of the source code to change most
+capitalized ACPI type names to lowercase. For example, all
+instances of ACPI_STATUS are changed to acpi_status.  This
+will result in a large diff, but the change is strictly
+cosmetic and aligns the CA code closer to the Linux coding
+standard.
+
+OSL Interfaces:
+
+The interfaces to the PCI configuration space have been
+changed to add the PCI Segment number and to split the single
+32-bit combined DeviceFunction field into two 16-bit fields.
+This was accomplished by moving the four values that define an
+address in PCI configuration space (segment, bus, device, and
+function) to the new ACPI_PCI_ID structure.
+
+The changes to the PCI configuration space interfaces led to a
+reexamination of the complete set of address space access
+interfaces for PCI, I/O, and Memory.  The previously existing
+18 interfaces have proven difficult to maintain (any small
+change must be propagated across at least 6 interfaces) and do
+not easily allow for future expansion to 64 bits if necessary.
+Also, on some systems, it would not be appropriate to
+demultiplex the access width (8, 16, 32,or 64) before calling
+the OSL if the corresponding native OS interfaces contain a
+similar access width parameter.  For these reasons, the 18
+address space interfaces have been replaced by these 6 new
+ones:
+
+AcpiOsReadPciConfiguration
+AcpiOsWritePciConfiguration
+AcpiOsReadMemory
+AcpiOsWriteMemory
+AcpiOsReadPort
+AcpiOsWritePort
+
+Added a new interface named AcpiOsGetRootPointer to allow the
+OSL to perform the platform and/or OS-specific actions
+necessary to obtain the ACPI RSDP table pointer.  On IA-32
+platforms, this interface will simply call down to the CA core
+to perform the low-memory search for the table.  On IA-64, the
+RSDP is obtained from EFI.  Migrating this interface to the
+OSL allows the CA core to remain OS and platform independent.
+
+Added a new interface named AcpiOsSignal to provide a generic
+"function code and pointer" interface for various
+miscellaneous signals and notifications that must be made to
+the host OS.   The first such signals are intended to support
+the ASL Fatal and Breakpoint operators.  In the latter case,
+the AcpiOsBreakpoint interface has been obsoleted.
+
+The definition of the AcpiFormatException interface has been
+changed to simplify its use.  The caller no longer must supply
+a buffer to the call; A pointer to a const string is now
+returned directly.  This allows the call to be easily used in
+printf statements, etc. since the caller does not have to
+manage a local buffer.
+
+ ASL Compiler, Version X2025:
+
+The ACPI 2.0 Switch/Case/Default operators have been
+implemented and are fully functional.  They will work with all
+ACPI 1.0 interpreters, since the operators are simply
+translated to If/Else pairs.
+
+The ACPI 2.0 ElseIf operator is implemented and will also work
+with 1.0 interpreters, for the same reason.
+
+Implemented support for ACPI 2.0 variable-length packages.
+These packages have a separate opcode, and their size is
+determined by the interpreter at run-time.
+
+Documentation The ACPI CA Programmer Reference has been
+updated to reflect the new interfaces and changes to existing
+interfaces.
+
+ ------------------------------------------
+Summary of changes for this label: 06_15_01
+
+ ACPI CA Core Subsystem:
+
+Fixed a problem where a DWORD-accessed field within a Buffer
+object would get its byte address inadvertently rounded down
+to the nearest DWORD.  Buffers are always Byte-accessible.
+
+ ASL Compiler, version X2024:
+
+Fixed a problem where the Switch() operator would either fault
+or hang the compiler.  Note however, that the AML code for
+this ACPI 2.0 operator is not yet implemented.
+
+Compiler uses the new AcpiOsGetTimer interface to obtain
+compile timings.
+
+Implementation of the CreateField operator automatically
+converts a reference to a named field within a resource
+descriptor from a byte offset to a bit offset if required.
+
+Added some missing named fields from the resource descriptor
+support. These are the names that are automatically created by
+the compiler to reference fields within a descriptor.  They
+are only valid at compile time and are not passed through to
+the AML interpreter.
+
+Resource descriptor named fields are now typed as Integers and
+subject to compile-time typechecking when used in expressions.
+
+ ------------------------------------------
+Summary of changes for this label: 05_18_01
+
+ ACPI CA Core Subsystem:
+
+Fixed a couple of problems in the Field support code where
+bits from adjacent fields could be returned along with the
+proper field bits. Restructured the field support code to
+improve performance, readability and maintainability.
+
+New DEBUG_PRINTP macro automatically inserts the procedure
+name into the output, saving hundreds of copies of procedure
+name strings within the source, shrinking the memory footprint
+of the debug version of the core subsystem.
+
+ Source Code Structure:
+
+The source code directory tree was restructured to reflect the
+current organization of the component architecture.  Some
+files and directories have been moved and/or renamed.
+
+ Linux:
+
+Fixed leaking kacpidpc processes.
+
+Fixed queueing event data even when /proc/acpi/event is not
+opened.
+
+ ASL Compiler, version X2020:
+
+Memory allocation performance enhancement - over 24X compile
+time improvement on large ASL files.  Parse nodes and
+namestring buffers are now allocated from a large internal
+compiler buffer.
+
+The temporary .SRC file is deleted unless the "-s" option is
+specified
+
+The "-d" debug output option now sends all output to the .DBG
+file instead of the console.
+
+"External" second parameter is now optional
+
+"ElseIf" syntax now properly allows the predicate
+
+Last operand to "Load" now recognized as a Target operand
+
+Debug object can now be used anywhere as a normal object.
+
+ResourceTemplate now returns an object of type BUFFER
+
+EISAID now returns an object of type INTEGER
+
+"Index" now works with a STRING operand
+
+"LoadTable" now accepts optional parameters
+
+"ToString" length parameter is now optional
+
+"Interrupt (ResourceType," parse error fixed.
+
+"Register" with a user-defined region space parse error fixed
+
+Escaped backslash at the end of a string ("\\") scan/parse
+error fixed
+
+"Revision" is now an object of type INTEGER.
+
+
+
+------------------------------------------
+Summary of changes for this label: 05_02_01
+
+Linux:
+
+/proc/acpi/event now blocks properly.
+
+Removed /proc/sys/acpi. You can still dump your DSDT from
+/proc/acpi/dsdt.
+
+ ACPI CA Core Subsystem:
+
+Fixed a problem introduced in the previous label where some of
+the "small" resource descriptor types were not recognized.
+
+Improved error messages for the case where an ASL Field is
+outside the range of the parent operation region.
+
+ ASL Compiler, version X2018:
+
+Added error detection for ASL Fields that extend beyond the
+length of the parent operation region (only if the length of
+the region is known at compile time.)  This includes fields
+that have a minimum access width that is smaller than the
+parent region, and individual field units that are partially
+or entirely beyond the extent of the parent.
+
+
+
+------------------------------------------
+Summary of changes for this label: 04_27_01
+
+ ACPI CA Core Subsystem:
+
+Fixed a problem where the namespace mutex could be released at
+the wrong time during execution of
+AcpiRemoveAddressSpaceHandler.
+
+Added optional thread ID output for debug traces, to simplify
+debugging of multiple threads.  Added context switch
+notification when the debug code realizes that a different
+thread is now executing ACPI code.
+
+Some additional external data types have been prefixed with
+the string "ACPI_" for consistency.  This may effect existing
+code.  The data types affected are the external callback
+typedefs - e.g., WALK_CALLBACK becomes ACPI_WALK_CALLBACK.
+
+ Linux:
+
+Fixed an issue with the OSL semaphore implementation where a
+thread was waking up with an error from receiving a SIGCHLD
+signal.
+
+Linux version of ACPI CA now uses the system C library for
+string manipulation routines instead of a local
+implementation.
+
+Cleaned up comments and removed TBDs.
+
+ ASL Compiler, version X2017:
+
+Enhanced error detection and reporting for all file I/O
+operations.
+
+ Documentation:
+
+Programmer Reference updated to version 1.06.
+
+
+
+------------------------------------------
+Summary of changes for this label: 04_13_01
+
+ ACPI CA Core Subsystem:
+
+Restructured support for BufferFields and RegionFields.
+BankFields support is now fully operational.  All known 32-bit
+limitations on field sizes have been removed.  Both
+BufferFields and (Operation) RegionFields are now supported by
+the same field management code.
+
+Resource support now supports QWORD address and IO resources.
+The 16/32/64 bit address structures and the Extended IRQ
+structure have been changed to properly handle Source Resource
+strings.
+
+A ThreadId of -1 is now used to indicate a "mutex not
+acquired" condition internally and must never be returned by
+AcpiOsThreadId. This reserved value was changed from 0 since
+Unix systems allow a thread ID of 0.
+
+Linux:
+
+Driver code reorganized to enhance portability
+
+Added a kernel configuration option to control ACPI_DEBUG
+
+Fixed the EC driver to honor _GLK.
+
+ASL Compiler, version X2016:
+
+Fixed support for the "FixedHw" keyword.  Previously, the
+FixedHw address space was set to 0, not 0x7f as it should be.
+
+ ------------------------------------------
+Summary of changes for this label: 03_13_01
+
+ ACPI CA Core Subsystem:
+
+During ACPI initialization, the _SB_._INI method is now run if
+present.
+
+Notify handler fix - notifies are deferred until the parent
+method completes execution.  This fixes the "mutex already
+acquired" issue seen occasionally.
+
+Part of the "implicit conversion" rules in ACPI 2.0 have been
+found to cause compatibility problems with existing ASL/AML.
+The convert "result-to-target-type" implementation has been
+removed for stores to method Args and Locals.  Source operand
+conversion is still fully implemented.  Possible changes to
+ACPI 2.0 specification pending.
+
+Fix to AcpiRsCalculatePciRoutingTableLength to return correct
+length.
+
+Fix for compiler warnings for 64-bit compiles.
+
+ Linux:
+
+/proc output aligned for easier parsing.
+
+Release-version compile problem fixed.
+
+New kernel configuration options documented in Configure.help.
+
+IBM 600E - Fixed Sleep button may generate "Invalid <NULL>
+context" message.
+
+ OSPM:
+
+Power resource driver integrated with bus manager.
+
+Fixed kernel fault during active cooling for thermal zones.
+
+Source Code:
+
+The source code tree has been restructured.
+
+
+
+------------------------------------------
+Summary of changes for this label: 03_02_01
+
+ Linux OS Services Layer (OSL):
+
+Major revision of all Linux-specific code.
+
+Modularized all ACPI-specific drivers.
+
+Added new thermal zone and power resource drivers.
+
+Revamped /proc interface (new functionality is under
+/proc/acpi).
+
+New kernel configuration options.
+
+ Linux known issues:
+
+New kernel configuration options not documented in
+Configure.help yet.
+
+Module dependencies not currently implemented. If used, they
+should be loaded in this order: busmgr, power, ec, system,
+processor, battery, ac_adapter, button, thermal.
+
+Modules will not load if CONFIG_MODVERSION is set.
+
+IBM 600E - entering S5 may reboot instead of shutting down.
+
+IBM 600E - Sleep button may generate "Invalid <NULL> context"
+message.
+
+Some systems may fail with "execution mutex already acquired"
+message.
+
+ ACPI CA Core Subsystem:
+
+Added a new OSL Interface, AcpiOsGetThreadId.  This was
+required for the  deadlock detection code. Defined to return a
+non-zero, 32-bit thread ID for the currently executing thread.
+May be a non-zero constant integer on single-thread systems.
+
+Implemented deadlock detection for internal subsystem mutexes.
+We may add conditional compilation for this code (debug only)
+later.
+
+ASL/AML Mutex object semantics are now fully supported.  This
+includes multiple acquires/releases by owner and support for
+the Mutex SyncLevel parameter.
+
+A new "Force Release" mechanism automatically frees all ASL
+Mutexes that have been acquired but not released when a thread
+exits the interpreter.  This forces conformance to the ACPI
+spec ("All mutexes must be released when an invocation exits")
+and prevents deadlocked ASL threads.  This mechanism can be
+expanded (later) to monitor other resource acquisitions if OEM
+ASL code continues to misbehave (which it will).
+
+Several new ACPI exception codes have been added for the Mutex
+support.
+
+Recursive method calls are now allowed and supported (the ACPI
+spec does in fact allow recursive method calls.)  The number
+of recursive calls is subject to the restrictions imposed by
+the SERIALIZED method keyword and SyncLevel (ACPI 2.0) method
+parameter.
+
+Implemented support for the SyncLevel parameter for control
+methods (ACPI 2.0 feature)
+
+Fixed a deadlock problem when multiple threads attempted to
+use the interpreter.
+
+Fixed a problem where the string length of a String package
+element was not always set in a package returned from
+AcpiEvaluateObject.
+
+Fixed a problem where the length of a String package element
+was not always included in the length of the overall package
+returned from AcpiEvaluateObject.
+
+Added external interfaces (Acpi*) to the ACPI debug memory
+manager.  This manager keeps a list of all outstanding
+allocations, and can therefore detect memory leaks and
+attempts to free memory blocks more than once. Useful for code
+such as the power manager, etc.  May not be appropriate for
+device drivers.  Performance with the debug code enabled is
+slow.
+
+The ACPI Global Lock is now an optional hardware element.
+
+ ASL Compiler Version X2015:
+
+Integrated changes to allow the compiler to be generated on
+multiple platforms.
+
+Linux makefile added to generate the compiler on Linux
+
+ Source Code:
+
+All platform-specific headers have been moved to their own
+subdirectory, Include/Platform.
+
+New source file added, Interpreter/ammutex.c
+
+New header file, Include/acstruct.h
+
+ Documentation:
+
+The programmer reference has been updated for the following
+new interfaces: AcpiOsGetThreadId AcpiAllocate AcpiCallocate
+AcpiFree
+
+ ------------------------------------------
+Summary of changes for this label: 02_08_01
+
+Core ACPI CA Subsystem: Fixed a problem where an error was
+incorrectly returned if the return resource buffer was larger
+than the actual data (in the resource interfaces).
+
+References to named objects within packages are resolved to
+the full pathname string before packages are returned directly
+(via the AcpiEvaluateObject interface) or indirectly via the
+resource interfaces.
+
+Linux OS Services Layer (OSL):
+
+Improved /proc battery interface.
+
+
+Added C-state debugging output and other miscellaneous fixes.
+
+ASL Compiler Version X2014:
+
+All defined method arguments can now be used as local
+variables, including the ones that are not actually passed in
+as parameters.  The compiler tracks initialization of the
+arguments and issues an exception if they are used without
+prior assignment (just like locals).
+
+The -o option now specifies a filename prefix that is used for
+all output files, including the AML output file.  Otherwise,
+the default behavior is as follows:  1) the AML goes to the
+file specified in the DSDT.  2) all other output files use the
+input source filename as the base.
+
+ ------------------------------------------
+Summary of changes for this label: 01_25_01
+
+Core ACPI CA Subsystem: Restructured the implementation of
+object store support within the  interpreter.  This includes
+support for the Store operator as well  as any ASL operators
+that include a target operand.
+
+Partially implemented support for Implicit Result-to-Target
+conversion. This is when a result object is converted on the
+fly to the type of  an existing target object.  Completion of
+this support is pending  further analysis of the ACPI
+specification concerning this matter.
+
+CPU-specific code has been removed from the subsystem
+(hardware directory).
+
+New Power Management Timer functions added
+
+Linux OS Services Layer (OSL): Moved system state transition
+code to the core, fixed it, and modified  Linux OSL
+accordingly.
+
+Fixed C2 and C3 latency calculations.
+
+
+We no longer use the compilation date for the version message
+on  initialization, but retrieve the version from
+AcpiGetSystemInfo().
+
+Incorporated for fix Sony VAIO machines.
+
+Documentation:  The Programmer Reference has been updated and
+reformatted.
+
+
+ASL Compiler:  Version X2013: Fixed a problem where the line
+numbering and error reporting could get out  of sync in the
+presence of multiple include files.
+
+ ------------------------------------------
+Summary of changes for this label: 01_15_01
+
+Core ACPI CA Subsystem:
+
+Implemented support for type conversions in the execution of
+the ASL  Concatenate operator (The second operand is converted
+to match the type  of the first operand before concatenation.)
+
+Support for implicit source operand conversion is partially
+implemented.   The ASL source operand types Integer, Buffer,
+and String are freely  interchangeable for most ASL operators
+and are converted by the interpreter  on the fly as required.
+Implicit Target operand conversion (where the  result is
+converted to the target type before storing) is not yet
+implemented.
+
+Support for 32-bit and 64-bit BCD integers is implemented.
+
+Problem fixed where a field read on an aligned field could
+cause a read  past the end of the field.
+
+New exception, AE_AML_NO_RETURN_VALUE, is returned when a
+method does not return a value, but the caller expects one.
+(The ASL compiler flags this as a warning.)
+
+ASL Compiler:
+
+Version X2011:
+1. Static typechecking of all operands is implemented. This
+prevents the use of invalid objects (such as using a Package
+where an Integer is required) at compile time instead of at
+interpreter run-time.
+2. The ASL source line is printed with ALL errors and
+warnings.
+3. Bug fix for source EOF without final linefeed.
+4. Debug option is split into a parse trace and a namespace
+trace.
+5. Namespace output option (-n) includes initial values for
+integers and strings.
+6. Parse-only option added for quick syntax checking.
+7. Compiler checks for duplicate ACPI name declarations
+
+Version X2012:
+1. Relaxed typechecking to allow interchangeability between
+strings, integers, and buffers.  These types are now converted
+by the interpreter at runtime.
+2. Compiler reports time taken by each internal subsystem in
+the debug         output file.
+
+
+ ------------------------------------------
+Summary of changes for this label: 12_14_00
+
+ASL Compiler:
+
+This is the first official release of the compiler. Since the
+compiler requires elements of the Core Subsystem, this label
+synchronizes everything.
+
+------------------------------------------
+Summary of changes for this label: 12_08_00
+
+Fixed a problem where named references within the ASL
+definition of both OperationRegions and CreateXXXFields did
+not work properly.  The symptom was an AE_AML_OPERAND_TYPE
+during initialization of the region/field. This is similar
+(but not related internally) to the problem that was fixed in
+the last label.
+
+Implemented both 32-bit and 64-bit support for the BCD ASL
+functions ToBCD and FromBCD.
+
+Updated all legal headers to include "2000" in the copyright
+years.
+
+ ------------------------------------------
+Summary of changes for this label: 12_01_00
+
+Fixed a problem where method invocations within the ASL
+definition of both OperationRegions and CreateXXXFields did
+not work properly.  The symptom was an AE_AML_OPERAND_TYPE
+during initialization of the region/field:
+
+  nsinit-0209: AE_AML_OPERAND_TYPE while getting region
+arguments [DEBG]   ammonad-0284: Exec_monadic2_r/Not: bad
+operand(s) (0x3005)
+
+Fixed a problem where operators with more than one nested
+subexpression would fail.  The symptoms were varied, by mostly
+AE_AML_OPERAND_TYPE errors.  This was actually a rather
+serious problem that has gone unnoticed until now.
+
+  Subtract (Add (1,2), Multiply (3,4))
+
+Fixed a problem where AcpiGetHandle didn't quite get fixed in
+the previous build (The prefix part of a relative path was
+handled incorrectly).
+
+Fixed a problem where Operation Region initialization failed
+if the operation region name was a "namepath" instead of a
+simple "nameseg". Symptom was an AE_NO_OPERAND error.
+
+Fixed a problem where an assignment to a local variable via
+the indirect RefOf mechanism only worked for the first such
+assignment.  Subsequent assignments were ignored.
+
+ ------------------------------------------
+Summary of changes for this label: 11_15_00
+
+ACPI 2.0 table support with backwards support for ACPI 1.0 and
+the 0.71 extensions.  Note: although we can read ACPI 2.0 BIOS
+tables, the AML  interpreter does NOT have support for the new
+2.0 ASL grammar terms at this time.
+
+All ACPI hardware access is via the GAS structures in the ACPI
+2.0 FADT.
+
+All physical memory addresses across all platforms are now 64
+bits wide. Logical address width remains dependent on the
+platform (i.e., "void *").
+
+AcpiOsMapMemory interface changed to a 64-bit physical
+address.
+
+The AML interpreter integer size is now 64 bits, as per the
+ACPI 2.0 specification.
+
+For backwards compatibility with ACPI 1.0, ACPI tables with a
+revision number less than 2 use 32-bit integers only.
+
+Fixed a problem where the evaluation of OpRegion operands did
+not always resolve them to numbers properly.
+
+------------------------------------------
+Summary of changes for this label: 10_20_00
+
+Fix for CBN_._STA issue.  This fix will allow correct access
+to CBN_ OpRegions when the _STA returns 0x8.
+
+Support to convert ACPI constants (Ones, Zeros, One) to actual
+values before a package object is returned
+
+Fix for method call as predicate to if/while construct causing
+incorrect if/while behavior
+
+Fix for Else block package lengths sometimes calculated wrong
+(if block > 63 bytes)
+
+Fix for Processor object length field, was always zero
+
+Table load abort if FACP sanity check fails
+
+Fix for problem with Scope(name) if name already exists
+
+Warning emitted if a named object referenced cannot be found
+(resolved) during method execution.
+
+
+
+
+
+------------------------------------------
+Summary of changes for this label: 9_29_00
+
+New table initialization interfaces: AcpiInitializeSubsystem
+no longer has any parameters AcpiFindRootPointer - Find the
+RSDP (if necessary) AcpiLoadTables (RSDP) - load all tables
+found at RSDP->RSDT Obsolete Interfaces AcpiLoadFirmwareTables
+- replaced by AcpiLoadTables
+
+Note: These interface changes require changes to all existing
+OSDs
+
+The PCI_Config default address space handler is always
+installed at the root namespace object.
+
+-------------------------------------------
+Summary of changes for this label: 09_15_00
+
+The new initialization architecture is implemented.  New
+interfaces are: AcpiInitializeSubsystem (replaces
+AcpiInitialize) AcpiEnableSubsystem Obsolete Interfaces:
+AcpiLoadNamespace (Namespace is automatically loaded when a
+table is loaded)
+
+The ACPI_OPERAND_OBJECT has been optimized to shrink its size
+from 52 bytes to 32 bytes.  There is usually one of these for
+every namespace object, so the memory savings is significant.
+
+Implemented just-in-time evaluation of the CreateField
+operators.
+
+Bug fixes for IA-64 support have been integrated.
+
+Additional code review comments have been implemented
+
+The so-called "third pass parse" has been replaced by a final
+walk through the namespace to initialize all operation regions
+(address spaces) and fields that have not yet been initialized
+during the execution of the various _INI and REG methods.
+
+New file - namespace/nsinit.c
+
+-------------------------------------------
+Summary of changes for this label: 09_01_00
+
+Namespace manager data structures have been reworked to change
+the primary  object from a table to a single object.  This has
+resulted in dynamic memory  savings of 3X within the namespace
+and 2X overall in the ACPI CA subsystem.
+
+Fixed problem where the call to AcpiEvFindPciRootBuses was
+inadvertently left  commented out.
+
+Reduced the warning count when generating the source with the
+GCC compiler.
+
+Revision numbers added to each module header showing the
+SourceSafe version of the file.  Please refer to this version
+number when giving us feedback or comments on individual
+modules.
+
+The main object types within the subsystem have been renamed
+to clarify their  purpose:
+
+ACPI_INTERNAL_OBJECT -> ACPI_OPERAND_OBJECT
+ACPI_GENERIC_OP -> ACPI_PARSE_OBJECT
+ACPI_NAME_TABLE_ENTRY -> ACPI_NAMESPACE_NODE
+
+NOTE: no changes to the initialization sequence are included
+in this label.
+
+-------------------------------------------
+Summary of changes for this label: 08_23_00
+
+Fixed problem where TerminateControlMethod was being called
+multiple times per  method
+
+Fixed debugger problem where single stepping caused a
+semaphore to be  oversignalled
+
+Improved performance through additional parse object caching -
+added  ACPI_EXTENDED_OP type
+
+-------------------------------------------
+Summary of changes for this label: 08_10_00
+
+Parser/Interpreter integration:  Eliminated the creation of
+complete parse trees  for ACPI tables and control methods.
+Instead, parse subtrees are created and  then deleted as soon
+as they are processed (Either entered into the namespace or
+executed by the interpreter).  This reduces the use of dynamic
+kernel memory  significantly. (about 10X)
+
+Exception codes broken into classes and renumbered.  Be sure
+to recompile all  code that includes acexcep.h.  Hopefully we
+won't have to renumber the codes  again now that they are
+split into classes (environment, programmer, AML code,  ACPI
+table, and internal).
+
+Fixed some additional alignment issues in the Resource Manager
+subcomponent
+
+Implemented semaphore tracking in the AcpiExec utility, and
+fixed several places  where mutexes/semaphores were being
+unlocked without a corresponding lock  operation.  There are
+no known semaphore or mutex "leaks" at this time.
+
+Fixed the case where an ASL Return operator is used to return
+an unnamed  package.
+
+-------------------------------------------
+Summary of changes for this label: 07_28_00
+
+Fixed a problem with the way addresses were calculated in
+AcpiAmlReadFieldData()  and AcpiAmlWriteFieldData(). This
+problem manifested itself when a Field was  created with
+WordAccess or DwordAccess, but the field unit defined within
+the  Field was less than a Word or Dword.
+
+Fixed a problem in AmlDumpOperands() module's loop to pull
+operands off of the  operand stack to display information. The
+problem manifested itself as a TLB  error on 64-bit systems
+when accessing an operand stack with two or more  operands.
+
+Fixed a problem with the PCI configuration space handlers
+where context was  getting confused between accesses. This
+required a change to the generic address  space handler and
+address space setup definitions. Handlers now get both a
+global handler context (this is the one passed in by the user
+when executing  AcpiInstallAddressSpaceHandler() and a
+specific region context that is unique to  each region (For
+example, the _ADR, _SEG and _BBN values associated with a
+specific region). The generic function definitions have
+changed to the  following:
+
+typedef ACPI_STATUS (*ADDRESS_SPACE_HANDLER) ( UINT32
+Function, UINT32 Address, UINT32 BitWidth, UINT32 *Value, void
+*HandlerContext, // This used to be void *Context void
+*RegionContext); // This is an additional parameter
+
+typedef ACPI_STATUS (*ADDRESS_SPACE_SETUP) ( ACPI_HANDLE
+RegionHandle, UINT32 Function, void *HandlerContext,  void
+**RegionContext); // This used to be **ReturnContext
+
+-------------------------------------------
+Summary of changes for this label: 07_21_00
+
+Major file consolidation and rename.  All files within the
+interpreter have been  renamed as well as most header files.
+This was done to prevent collisions with  existing files in
+the host OSs -- filenames such as "config.h" and "global.h"
+seem to be quite common.  The VC project files have been
+updated.  All makefiles  will require modification.
+
+The parser/interpreter integration continues in Phase 5 with
+the implementation  of a complete 2-pass parse (the AML is
+parsed twice) for each table;  This  avoids the construction
+of a huge parse tree and therefore reduces the amount of
+dynamic memory required by the subsystem.  Greater use of the
+parse object cache  means that performance is unaffected.
+
+Many comments from the two code reviews have been rolled in.
+
+The 64-bit alignment support is complete.
+
+-------------------------------------------
+Summary of changes for this label: 06_30_00
+
+With a nod and a tip of the hat to the technology of
+yesteryear, we've added  support in the source code for 80
+column output devices.  The code is now mostly  constrained to
+80 columns or less to support environments and editors that 1)
+cannot display or print more than 80 characters on a single
+line, and 2) cannot  disable line wrapping.
+
+A major restructuring of the namespace data structure has been
+completed.  The  result is 1) cleaner and more
+understandable/maintainable code, and 2) a  significant
+reduction in the dynamic memory requirement for each named
+ACPI  object (almost half).
+
+-------------------------------------------
+Summary of changes for this label: 06_23_00
+
+Linux support has been added.  In order to obtain approval to
+get the ACPI CA  subsystem into the Linux kernel, we've had to
+make quite a few changes to the  base subsystem that will
+affect all users (all the changes are generic and OS-
+independent).  The effects of these global changes have been
+somewhat far  reaching.  Files have been merged and/or renamed
+and interfaces have been  renamed.   The major changes are
+described below.
+
+Osd* interfaces renamed to AcpiOs* to eliminate namespace
+pollution/confusion  within our target kernels.  All OSD
+interfaces must be modified to match the new  naming
+convention.
+
+Files merged across the subsystem.  A number of the smaller
+source and header  files have been merged to reduce the file
+count and increase the density of the  existing files.  There
+are too many to list here.  In general, makefiles that  call
+out individual files will require rebuilding.
+
+Interpreter files renamed.  All interpreter files now have the
+prefix am*  instead of ie* and is*.
+
+Header files renamed:  The acapi.h file is now acpixf.h.  The
+acpiosd.h file is  now acpiosxf.h.  We are removing references
+to the acronym "API" since it is  somewhat windowsy. The new
+name is "external interface" or xface or xf in the
+filenames.j
+
+
+All manifest constants have been forced to upper case (some
+were mixed case.)   Also, the string "ACPI_" has been
+prepended to many (not all) of the constants,  typedefs, and
+structs.
+
+The globals "DebugLevel" and "DebugLayer" have been renamed
+"AcpiDbgLevel" and  "AcpiDbgLayer" respectively.
+
+All other globals within the subsystem are now prefixed with
+"AcpiGbl_" Internal procedures within the subsystem are now
+prefixed with "Acpi" (with only  a few exceptions).  The
+original two-letter abbreviation for the subcomponent  remains
+after "Acpi" - for example, CmCallocate became
+AcpiCmCallocate.
+
+Added a source code translation/conversion utility.  Used to
+generate the Linux  source code, it can be modified to
+generate other types of source as well. Can  also be used to
+cleanup existing source by removing extraneous spaces and
+blank  lines.  Found in tools/acpisrc/*
+
+OsdUnMapMemory was renamed to OsdUnmapMemory and then
+AcpiOsUnmapMemory.  (UnMap  became Unmap).
+
+A "MaxUnits" parameter has been added to
+AcpiOsCreateSemaphore.  When set to  one, this indicates that
+the caller wants to use the semaphore as a mutex, not a
+counting semaphore.  ACPI CA uses both types.  However,
+implementers of this  call may want to use different OS
+primitives depending on the type of semaphore  requested.  For
+example, some operating systems provide separate "mutex" and
+"semaphore" interfaces - where the mutex interface is much
+faster because it  doesn't have all the overhead of a full
+semaphore implementation.
+
+Fixed a deadlock problem where a method that accesses the PCI
+address space can  block forever if it is the first access to
+the space.
+
+-------------------------------------------
+Summary of changes for this label: 06_02_00
+
+Support for environments that cannot handle unaligned data
+accesses (e.g.  firmware and OS environments devoid of
+alignment handler technology namely  SAL/EFI and the IA-64
+Linux kernel) has been added (via configurable macros) in
+these three areas: - Transfer of data from the raw AML byte
+stream is done via byte moves instead of    word/dword/qword
+moves. - External objects are aligned within the user buffer,
+including package   elements (sub-objects). - Conversion of
+name strings to UINT32 Acpi Names is now done byte-wise.
+
+The Store operator was modified to mimic Microsoft's
+implementation when storing  to a Buffer Field.
+
+Added a check of the BM_STS bit before entering C3.
+
+The methods subdirectory has been obsoleted and removed.  A
+new file, cmeval.c  subsumes the functionality.
+
+A 16-bit (DOS) version of AcpiExec has been developed.  The
+makefile is under  the acpiexec directory.
diff --git a/sys/contrib/dev/acpica/acapps.h b/sys/contrib/dev/acpica/acapps.h
new file mode 100644
index 0000000..458ba4d
--- /dev/null
+++ b/sys/contrib/dev/acpica/acapps.h
@@ -0,0 +1,190 @@
+/******************************************************************************
+ *
+ * Module Name: acapps - common include for ACPI applications/tools
+ *
+ *****************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+#ifndef _ACAPPS
+#define _ACAPPS
+
+
+#ifdef _MSC_VER                 /* disable some level-4 warnings */
+#pragma warning(disable:4100)   /* warning C4100: unreferenced formal parameter */
+#endif
+
+extern UINT8                    *DsdtPtr;
+extern UINT32                   AcpiDsdtLength;
+extern UINT8                    *AmlStart;
+extern UINT32                   AmlLength;
+
+
+extern int                      AcpiGbl_Optind;
+extern NATIVE_CHAR              *AcpiGbl_Optarg;
+
+int
+AcpiGetopt(
+    int                     argc, 
+    char                    **argv, 
+    char                    *opts);
+
+ACPI_STATUS
+AdInitialize (
+    void);
+
+char *
+FlGenerateFilename (
+    char                    *InputFilename,
+    char                    *Suffix);
+
+ACPI_STATUS
+FlSplitInputPathname (
+    char                    *InputPath,
+    char                    **OutDirectoryPath,
+    char                    **OutFilename);
+
+ACPI_STATUS
+AdAmlDisassemble (
+    BOOLEAN                 OutToFile,
+    char                    *Filename,
+    char                    *Prefix,
+    char                    **OutFilename,
+    BOOLEAN                 GetAllTables);
+
+void
+AdPrintStatistics (void);
+
+ACPI_STATUS
+AdFindDsdt(
+    UINT8                   **DsdtPtr,
+    UINT32                  *DsdtLength);
+
+void
+AdDumpTables (void);
+
+ACPI_STATUS
+AdGetTables (
+    char                    *Filename,
+    BOOLEAN                 GetAllTables);
+
+ACPI_STATUS
+AdParseTables (void);
+
+ACPI_STATUS
+AdDisplayTables (
+    char                    *Filename);
+
+ACPI_STATUS
+AdDisplayStatistics (void);
+
+
+#endif /* _ACAPPS */
+
diff --git a/sys/contrib/dev/acpica/acconfig.h b/sys/contrib/dev/acpica/acconfig.h
new file mode 100644
index 0000000..ce7d3cd
--- /dev/null
+++ b/sys/contrib/dev/acpica/acconfig.h
@@ -0,0 +1,279 @@
+/******************************************************************************
+ *
+ * Name: acconfig.h - Global configuration constants
+ *       $Revision: 118 $
+ *
+ *****************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+#ifndef _ACCONFIG_H
+#define _ACCONFIG_H
+
+
+/******************************************************************************
+ *
+ * Compile-time options
+ *
+ *****************************************************************************/
+
+/*
+ * ACPI_DEBUG_OUTPUT    - This switch enables all the debug facilities of the
+ *                        ACPI subsystem.  This includes the DEBUG_PRINT output
+ *                        statements.  When disabled, all DEBUG_PRINT
+ *                        statements are compiled out.
+ *
+ * ACPI_APPLICATION     - Use this switch if the subsystem is going to be run
+ *                        at the application level.
+ *
+ */
+
+
+/******************************************************************************
+ *
+ * Subsystem Constants
+ *
+ *****************************************************************************/
+
+
+/* Version string */
+
+#define ACPI_CA_VERSION                 0x20021115
+
+/* Version of ACPI supported */
+
+#define ACPI_CA_SUPPORT_LEVEL           2
+
+/* Maximum objects in the various object caches */
+
+#define MAX_STATE_CACHE_DEPTH           64          /* State objects for stacks */
+#define MAX_PARSE_CACHE_DEPTH           96          /* Parse tree objects */
+#define MAX_EXTPARSE_CACHE_DEPTH        64          /* Parse tree objects */
+#define MAX_OBJECT_CACHE_DEPTH          64          /* Interpreter operand objects */
+#define MAX_WALK_CACHE_DEPTH            4           /* Objects for parse tree walks */
+
+/* String size constants */
+
+#define MAX_STRING_LENGTH               512
+#define PATHNAME_MAX                    256         /* A full namespace pathname */
+
+/* Maximum count for a semaphore object */
+
+#define MAX_SEMAPHORE_COUNT             256
+
+/* Max reference count (for debug only) */
+
+#define MAX_REFERENCE_COUNT             0x400
+
+/* Size of cached memory mapping for system memory operation region */
+
+#define SYSMEM_REGION_WINDOW_SIZE       4096
+
+
+/******************************************************************************
+ *
+ * Configuration of subsystem behavior
+ *
+ *****************************************************************************/
+
+
+/*
+ * Should the subystem abort the loading of an ACPI table if the
+ * table checksum is incorrect?
+ */
+#define ACPI_CHECKSUM_ABORT             FALSE
+
+
+/******************************************************************************
+ *
+ * ACPI Specification constants (Do not change unless the specification changes)
+ *
+ *****************************************************************************/
+
+/* Number of distinct GPE register blocks */
+
+#define ACPI_MAX_GPE_BLOCKS             2
+
+/*
+ * Method info (in WALK_STATE), containing local variables and argumetns
+ */
+#define MTH_NUM_LOCALS                  8
+#define MTH_MAX_LOCAL                   7
+
+#define MTH_NUM_ARGS                    7
+#define MTH_MAX_ARG                     6
+
+/* Maximum length of resulting string when converting from a buffer */
+
+#define ACPI_MAX_STRING_CONVERSION      200
+
+/*
+ * Operand Stack (in WALK_STATE), Must be large enough to contain MTH_MAX_ARG
+ */
+#define OBJ_NUM_OPERANDS                8
+#define OBJ_MAX_OPERAND                 7
+
+/* Names within the namespace are 4 bytes long */
+
+#define ACPI_NAME_SIZE                  4
+#define PATH_SEGMENT_LENGTH             5           /* 4 chars for name + 1 char for separator */
+#define PATH_SEPARATOR                  '.'
+
+/* Constants used in searching for the RSDP in low memory */
+
+#define LO_RSDP_WINDOW_BASE             0           /* Physical Address */
+#define HI_RSDP_WINDOW_BASE             0xE0000     /* Physical Address */
+#define LO_RSDP_WINDOW_SIZE             0x400
+#define HI_RSDP_WINDOW_SIZE             0x20000
+#define RSDP_SCAN_STEP                  16
+
+/* Operation regions */
+
+#define ACPI_NUM_PREDEFINED_REGIONS     8
+#define ACPI_USER_REGION_BEGIN          0x80
+
+/* Maximum SpaceIds for Operation Regions */
+
+#define ACPI_MAX_ADDRESS_SPACE          255
+
+/* Array sizes.  Used for range checking also */
+
+#define NUM_ACCESS_TYPES                6
+#define NUM_UPDATE_RULES                3
+#define NUM_LOCK_RULES                  2
+#define NUM_MATCH_OPS                   6
+#define NUM_OPCODES                     256
+#define NUM_FIELD_NAMES                 2
+
+/* RSDP checksums */
+
+#define ACPI_RSDP_CHECKSUM_LENGTH       20
+#define ACPI_RSDP_XCHECKSUM_LENGTH      36
+
+/* SMBus bidirectional buffer size */
+
+#define ACPI_SMBUS_BUFFER_SIZE          34
+
+
+/******************************************************************************
+ *
+ * ACPI AML Debugger
+ *
+ *****************************************************************************/
+
+
+#define ACPI_DEBUGGER_MAX_ARGS          8  /* Must be max method args + 1 */
+
+#define ACPI_DEBUGGER_COMMAND_PROMPT    '-'
+#define ACPI_DEBUGGER_EXECUTE_PROMPT    '%'
+
+
+#endif /* _ACCONFIG_H */
+
diff --git a/sys/contrib/dev/acpica/acdebug.h b/sys/contrib/dev/acpica/acdebug.h
new file mode 100644
index 0000000..9127022
--- /dev/null
+++ b/sys/contrib/dev/acpica/acdebug.h
@@ -0,0 +1,524 @@
+/******************************************************************************
+ *
+ * Name: acdebug.h - ACPI/AML debugger
+ *       $Revision: 64 $
+ *
+ *****************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+#ifndef __ACDEBUG_H__
+#define __ACDEBUG_H__
+
+
+#define ACPI_DEBUG_BUFFER_SIZE  4196
+
+typedef struct CommandInfo
+{
+    NATIVE_CHAR             *Name;          /* Command Name */
+    UINT8                   MinArgs;        /* Minimum arguments required */
+
+} COMMAND_INFO;
+
+
+typedef struct ArgumentInfo
+{
+    NATIVE_CHAR             *Name;          /* Argument Name */
+
+} ARGUMENT_INFO;
+
+
+#define PARAM_LIST(pl)                  pl
+
+#define DBTEST_OUTPUT_LEVEL(lvl)        if (AcpiGbl_DbOpt_verbose)
+
+#define VERBOSE_PRINT(fp)               DBTEST_OUTPUT_LEVEL(lvl) {\
+                                            AcpiOsPrintf PARAM_LIST(fp);}
+
+#define EX_NO_SINGLE_STEP       1
+#define EX_SINGLE_STEP          2
+
+
+/* Prototypes */
+
+
+/*
+ * dbapi - external debugger interfaces
+ */
+
+ACPI_STATUS
+AcpiDbInitialize (
+    void);
+
+void
+AcpiDbTerminate (
+    void);
+
+ACPI_STATUS
+AcpiDbSingleStep (
+    ACPI_WALK_STATE         *WalkState,
+    ACPI_PARSE_OBJECT       *Op,
+    UINT32                  OpType);
+
+
+/*
+ * dbcmds - debug commands and output routines
+ */
+
+void
+AcpiDbDisplayTableInfo (
+    NATIVE_CHAR             *TableArg);
+
+void
+AcpiDbUnloadAcpiTable (
+    NATIVE_CHAR             *TableArg,
+    NATIVE_CHAR             *InstanceArg);
+
+void
+AcpiDbSetMethodBreakpoint (
+    NATIVE_CHAR             *Location,
+    ACPI_WALK_STATE         *WalkState,
+    ACPI_PARSE_OBJECT       *Op);
+
+void
+AcpiDbSetMethodCallBreakpoint (
+    ACPI_PARSE_OBJECT       *Op);
+
+void
+AcpiDbDisassembleAml (
+    NATIVE_CHAR             *Statements,
+    ACPI_PARSE_OBJECT       *Op);
+
+void
+AcpiDbDumpNamespace (
+    NATIVE_CHAR             *StartArg,
+    NATIVE_CHAR             *DepthArg);
+
+void
+AcpiDbDumpNamespaceByOwner (
+    NATIVE_CHAR             *OwnerArg,
+    NATIVE_CHAR             *DepthArg);
+
+void
+AcpiDbSendNotify (
+    NATIVE_CHAR             *Name,
+    UINT32                  Value);
+
+void
+AcpiDbSetMethodData (
+    NATIVE_CHAR             *TypeArg,
+    NATIVE_CHAR             *IndexArg,
+    NATIVE_CHAR             *ValueArg);
+
+ACPI_STATUS
+AcpiDbDisplayObjects (
+    NATIVE_CHAR             *ObjTypeArg,
+    NATIVE_CHAR             *DisplayCountArg);
+
+ACPI_STATUS
+AcpiDbFindNameInNamespace (
+    NATIVE_CHAR             *NameArg);
+
+void
+AcpiDbSetScope (
+    NATIVE_CHAR             *Name);
+
+void
+AcpiDbFindReferences (
+    NATIVE_CHAR             *ObjectArg);
+
+void
+AcpiDbDisplayLocks (void);
+
+
+void
+AcpiDbDisplayResources (
+    NATIVE_CHAR             *ObjectArg);
+
+void
+AcpiDbCheckIntegrity (
+    void);
+
+ACPI_STATUS
+AcpiDbIntegrityWalk (
+    ACPI_HANDLE             ObjHandle,
+    UINT32                  NestingLevel,
+    void                    *Context,
+    void                    **ReturnValue);
+
+ACPI_STATUS
+AcpiDbWalkAndMatchName (
+    ACPI_HANDLE             ObjHandle,
+    UINT32                  NestingLevel,
+    void                    *Context,
+    void                    **ReturnValue);
+
+ACPI_STATUS
+AcpiDbWalkForReferences (
+    ACPI_HANDLE             ObjHandle,
+    UINT32                  NestingLevel,
+    void                    *Context,
+    void                    **ReturnValue);
+
+ACPI_STATUS
+AcpiDbWalkForSpecificObjects (
+    ACPI_HANDLE             ObjHandle,
+    UINT32                  NestingLevel,
+    void                    *Context,
+    void                    **ReturnValue);
+
+
+/*
+ * dbdisply - debug display commands
+ */
+
+void
+AcpiDbDisplayMethodInfo (
+    ACPI_PARSE_OBJECT       *Op);
+
+void
+AcpiDbDecodeAndDisplayObject (
+    NATIVE_CHAR             *Target,
+    NATIVE_CHAR             *OutputType);
+
+void
+AcpiDbDecodeNode (
+    ACPI_NAMESPACE_NODE     *Node);
+
+void
+AcpiDbDisplayResultObject (
+    ACPI_OPERAND_OBJECT     *ObjDesc,
+    ACPI_WALK_STATE         *WalkState);
+
+ACPI_STATUS
+AcpiDbDisplayAllMethods (
+    NATIVE_CHAR             *DisplayCountArg);
+
+void
+AcpiDbDisplayInternalObject (
+    ACPI_OPERAND_OBJECT     *ObjDesc,
+    ACPI_WALK_STATE         *WalkState);
+
+void
+AcpiDbDisplayArguments (
+    void);
+
+void
+AcpiDbDisplayLocals (
+    void);
+
+void
+AcpiDbDisplayResults (
+    void);
+
+void
+AcpiDbDisplayCallingTree (
+    void);
+
+void
+AcpiDbDisplayArgumentObject (
+    ACPI_OPERAND_OBJECT     *ObjDesc,
+    ACPI_WALK_STATE         *WalkState);
+
+void
+AcpiDbDumpParserDescriptor (
+    ACPI_PARSE_OBJECT       *Op);
+
+void *
+AcpiDbGetPointer (
+    void                    *Target);
+
+void
+AcpiDbDecodeInternalObject (
+    ACPI_OPERAND_OBJECT     *ObjDesc);
+
+
+/*
+ * dbexec - debugger control method execution
+ */
+
+void
+AcpiDbExecute (
+    NATIVE_CHAR             *Name,
+    NATIVE_CHAR             **Args,
+    UINT32                  Flags);
+
+void
+AcpiDbCreateExecutionThreads (
+    NATIVE_CHAR             *NumThreadsArg,
+    NATIVE_CHAR             *NumLoopsArg,
+    NATIVE_CHAR             *MethodNameArg);
+
+ACPI_STATUS
+AcpiDbExecuteMethod (
+    ACPI_DB_METHOD_INFO     *Info,
+    ACPI_BUFFER             *ReturnObj);
+
+void
+AcpiDbExecuteSetup (
+    ACPI_DB_METHOD_INFO     *Info);
+
+UINT32
+AcpiDbGetOutstandingAllocations (
+    void);
+
+void ACPI_SYSTEM_XFACE
+AcpiDbMethodThread (
+    void                    *Context);
+
+
+/*
+ * dbfileio - Debugger file I/O commands
+ */
+
+ACPI_OBJECT_TYPE
+AcpiDbMatchArgument (
+    NATIVE_CHAR             *UserArgument,
+    ARGUMENT_INFO           *Arguments);
+
+ACPI_STATUS
+AeLocalLoadTable (
+    ACPI_TABLE_HEADER       *TablePtr);
+
+void
+AcpiDbCloseDebugFile (
+    void);
+
+void
+AcpiDbOpenDebugFile (
+    NATIVE_CHAR             *Name);
+
+ACPI_STATUS
+AcpiDbLoadAcpiTable (
+    NATIVE_CHAR             *Filename);
+
+ACPI_STATUS
+AcpiDbGetAcpiTable (
+    NATIVE_CHAR             *Filename);
+
+/*
+ * dbhistry - debugger HISTORY command
+ */
+
+void
+AcpiDbAddToHistory (
+    NATIVE_CHAR             *CommandLine);
+
+void
+AcpiDbDisplayHistory (void);
+
+NATIVE_CHAR *
+AcpiDbGetFromHistory (
+    NATIVE_CHAR             *CommandNumArg);
+
+
+/*
+ * dbinput - user front-end to the AML debugger
+ */
+
+ACPI_STATUS
+AcpiDbCommandDispatch (
+    NATIVE_CHAR             *InputBuffer,
+    ACPI_WALK_STATE         *WalkState,
+    ACPI_PARSE_OBJECT       *Op);
+
+void ACPI_SYSTEM_XFACE
+AcpiDbExecuteThread (
+    void                    *Context);
+
+ACPI_STATUS
+AcpiDbUserCommands (
+    NATIVE_CHAR             Prompt,
+    ACPI_PARSE_OBJECT       *Op);
+
+void
+AcpiDbDisplayHelp (
+    NATIVE_CHAR             *HelpType);
+
+NATIVE_CHAR *
+AcpiDbGetNextToken (
+    NATIVE_CHAR             *String,
+    NATIVE_CHAR             **Next);
+
+UINT32
+AcpiDbGetLine (
+    NATIVE_CHAR             *InputBuffer);
+
+UINT32
+AcpiDbMatchCommand (
+    NATIVE_CHAR             *UserCommand);
+
+void
+AcpiDbSingleThread (
+    void);
+
+
+/*
+ * dbstats - Generation and display of ACPI table statistics
+ */
+
+void
+AcpiDbGenerateStatistics (
+    ACPI_PARSE_OBJECT       *Root,
+    BOOLEAN                 IsMethod);
+
+
+ACPI_STATUS
+AcpiDbDisplayStatistics (
+    NATIVE_CHAR             *TypeArg);
+
+ACPI_STATUS
+AcpiDbClassifyOneObject (
+    ACPI_HANDLE             ObjHandle,
+    UINT32                  NestingLevel,
+    void                    *Context,
+    void                    **ReturnValue);
+
+void
+AcpiDbCountNamespaceObjects (
+    void);
+
+void
+AcpiDbEnumerateObject (
+    ACPI_OPERAND_OBJECT     *ObjDesc);
+
+
+/*
+ * dbutils - AML debugger utilities
+ */
+
+void
+AcpiDbSetOutputDestination (
+    UINT32                  Where);
+
+void
+AcpiDbDumpBuffer (
+    UINT32                  Address);
+
+void
+AcpiDbDumpObject (
+    ACPI_OBJECT             *ObjDesc,
+    UINT32                  Level);
+
+void
+AcpiDbPrepNamestring (
+    NATIVE_CHAR             *Name);
+
+
+ACPI_STATUS
+AcpiDbSecondPassParse (
+    ACPI_PARSE_OBJECT       *Root);
+
+ACPI_NAMESPACE_NODE *
+AcpiDbLocalNsLookup (
+    NATIVE_CHAR             *Name);
+
+
+#endif  /* __ACDEBUG_H__ */
diff --git a/sys/contrib/dev/acpica/acdisasm.h b/sys/contrib/dev/acpica/acdisasm.h
new file mode 100644
index 0000000..f0eb26b
--- /dev/null
+++ b/sys/contrib/dev/acpica/acdisasm.h
@@ -0,0 +1,452 @@
+/******************************************************************************
+ *
+ * Name: acdisasm.h - AML disassembler
+ *       $Revision: 5 $
+ *
+ *****************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+#ifndef __ACDISASM_H__
+#define __ACDISASM_H__
+
+#include "amlresrc.h"
+
+
+#define BLOCK_NONE              0
+#define BLOCK_PAREN             1
+#define BLOCK_BRACE             2
+#define BLOCK_COMMA_LIST        4
+
+extern const char               *AcpiGbl_IoDecode[2];
+extern const char               *AcpiGbl_WordDecode[4];
+extern const char               *AcpiGbl_ConsumeDecode[2];
+extern const char               *AcpiGbl_MinDecode[2];
+extern const char               *AcpiGbl_MaxDecode[2];
+extern const char               *AcpiGbl_DECDecode[2];
+extern const char               *AcpiGbl_RNGDecode[4];
+extern const char               *AcpiGbl_MEMDecode[4];
+extern const char               *AcpiGbl_RWDecode[2];
+extern const char               *AcpiGbl_IrqDecode[2];
+extern const char               *AcpiGbl_HEDecode[2];
+extern const char               *AcpiGbl_LLDecode[2];
+extern const char               *AcpiGbl_SHRDecode[2];
+extern const char               *AcpiGbl_TYPDecode[4];
+extern const char               *AcpiGbl_BMDecode[2];
+extern const char               *AcpiGbl_SIZDecode[4];
+extern const NATIVE_CHAR        *AcpiGbl_LockRule[NUM_LOCK_RULES];
+extern const NATIVE_CHAR        *AcpiGbl_AccessTypes[NUM_ACCESS_TYPES];
+extern const NATIVE_CHAR        *AcpiGbl_UpdateRules[NUM_UPDATE_RULES];
+extern const NATIVE_CHAR        *AcpiGbl_MatchOps[NUM_MATCH_OPS];
+
+
+typedef struct acpi_op_walk_info
+{
+    UINT32                  Level;
+    UINT32                  BitOffset;
+
+} ACPI_OP_WALK_INFO;
+
+typedef
+ACPI_STATUS (*ASL_WALK_CALLBACK) (
+    ACPI_PARSE_OBJECT           *Op,
+    UINT32                      Level,
+    void                        *Context);
+
+
+/*
+ * dmwalk
+ */
+
+void
+AcpiDmWalkParseTree (
+    ACPI_PARSE_OBJECT       *Op,
+    ASL_WALK_CALLBACK       DescendingCallback,
+    ASL_WALK_CALLBACK       AscendingCallback,
+    void                    *Context);
+
+ACPI_STATUS
+AcpiDmDescendingOp (
+    ACPI_PARSE_OBJECT       *Op,
+    UINT32                  Level,
+    void                    *Context);
+
+ACPI_STATUS
+AcpiDmAscendingOp (
+    ACPI_PARSE_OBJECT       *Op,
+    UINT32                  Level,
+    void                    *Context);
+
+
+/*
+ * dmopcode
+ */
+
+void
+AcpiDmValidateName (
+    char                    *Name,
+    ACPI_PARSE_OBJECT       *Op);
+
+UINT32
+AcpiDmDumpName (
+    char                    *Name);
+
+void
+AcpiDmUnicode (
+    ACPI_PARSE_OBJECT       *Op);
+
+void
+AcpiDmDisassemble (
+    ACPI_WALK_STATE         *WalkState,
+    ACPI_PARSE_OBJECT       *Origin,
+    UINT32                  NumOpcodes);
+
+void
+AcpiDmNamestring (
+    NATIVE_CHAR             *Name);
+
+void
+AcpiDmDisplayPath (
+    ACPI_PARSE_OBJECT       *Op);
+
+void
+AcpiDmDisassembleOneOp (
+    ACPI_WALK_STATE         *WalkState,
+    ACPI_OP_WALK_INFO       *Info,
+    ACPI_PARSE_OBJECT       *Op);
+
+void
+AcpiDmDecodeInternalObject (
+    ACPI_OPERAND_OBJECT     *ObjDesc);
+
+void
+AcpiDmDecodeNode (
+    ACPI_NAMESPACE_NODE     *Node);
+
+UINT32
+AcpiDmBlockType (
+    ACPI_PARSE_OBJECT       *Op);
+
+UINT32
+AcpiDmListType (
+    ACPI_PARSE_OBJECT       *Op);
+
+ACPI_STATUS
+AcpiPsDisplayObjectPathname (
+    ACPI_WALK_STATE         *WalkState,
+    ACPI_PARSE_OBJECT       *Op);
+
+void
+AcpiDmMethodFlags (
+    ACPI_PARSE_OBJECT       *Op);
+
+void
+AcpiDmFieldFlags (
+    ACPI_PARSE_OBJECT       *Op);
+
+void
+AcpiDmAddressSpace (
+    UINT8                   SpaceId);
+
+void
+AcpiDmRegionFlags (
+    ACPI_PARSE_OBJECT       *Op);
+
+void
+AcpiDmMatchOp (
+    ACPI_PARSE_OBJECT       *Op);
+
+void
+AcpiDmMatchKeyword (
+    ACPI_PARSE_OBJECT       *Op);
+
+BOOLEAN
+AcpiDmCommaIfListMember (
+    ACPI_PARSE_OBJECT       *Op);
+
+void
+AcpiDmCommaIfFieldMember (
+    ACPI_PARSE_OBJECT       *Op);
+
+
+/*
+ * dmbuffer
+ */
+
+void
+AcpiIsEisaId (
+    ACPI_PARSE_OBJECT       *Op);
+
+void
+AcpiDmEisaId (
+    UINT32                  EncodedId);
+
+BOOLEAN
+AcpiDmIsUnicodeBuffer (
+    ACPI_PARSE_OBJECT       *Op);
+
+BOOLEAN
+AcpiDmIsStringBuffer (
+    ACPI_PARSE_OBJECT       *Op);
+
+
+/*
+ * dmresrc
+ */
+
+void
+AcpiDmDisasmByteList (
+    UINT32                  Level,
+    UINT8                   *ByteData,
+    UINT32                  ByteCount);
+
+void
+AcpiDmByteList (
+    ACPI_OP_WALK_INFO       *Info,
+    ACPI_PARSE_OBJECT       *Op);
+
+void
+AcpiDmResourceDescriptor (
+    ACPI_OP_WALK_INFO       *Info,
+    UINT8                   *ByteData,
+    UINT32                  ByteCount);
+
+BOOLEAN
+AcpiDmIsResourceDescriptor (
+    ACPI_PARSE_OBJECT       *Op);
+
+void
+AcpiDmIndent (
+    UINT32                  Level);
+
+void
+AcpiDmBitList (
+    UINT16                  Mask);
+
+void
+AcpiDmDecodeAttribute (
+    UINT8                   Attribute);
+
+/*
+ * dmresrcl
+ */
+
+void
+AcpiDmIoFlags (
+        UINT8               Flags);
+
+void
+AcpiDmMemoryFlags (
+    UINT8                   Flags,
+    UINT8                   SpecificFlags);
+
+void
+AcpiDmWordDescriptor (
+    ASL_WORD_ADDRESS_DESC   *Resource,
+    UINT32                  Length,
+    UINT32                  Level);
+
+void
+AcpiDmDwordDescriptor (
+    ASL_DWORD_ADDRESS_DESC  *Resource,
+    UINT32                  Length,
+    UINT32                  Level);
+
+void
+AcpiDmQwordDescriptor (
+    ASL_QWORD_ADDRESS_DESC  *Resource,
+    UINT32                  Length,
+    UINT32                  Level);
+
+void
+AcpiDmMemory24Descriptor (
+    ASL_MEMORY_24_DESC      *Resource,
+    UINT32                  Length,
+    UINT32                  Level);
+
+void
+AcpiDmMemory32Descriptor (
+    ASL_MEMORY_32_DESC      *Resource,
+    UINT32                  Length,
+    UINT32                  Level);
+
+void
+AcpiDmFixedMem32Descriptor (
+    ASL_FIXED_MEMORY_32_DESC *Resource,
+    UINT32                  Length,
+    UINT32                  Level);
+
+void
+AcpiDmGenericRegisterDescriptor (
+    ASL_GENERAL_REGISTER_DESC *Resource,
+    UINT32                  Length,
+    UINT32                  Level);
+
+void
+AcpiDmInterruptDescriptor (
+    ASL_EXTENDED_XRUPT_DESC *Resource,
+    UINT32                  Length,
+    UINT32                  Level);
+
+void
+AcpiDmVendorLargeDescriptor (
+    ASL_LARGE_VENDOR_DESC   *Resource,
+    UINT32                  Length,
+    UINT32                  Level);
+
+
+/*
+ * dmresrcs
+ */
+
+void
+AcpiDmIrqDescriptor (
+    ASL_IRQ_FORMAT_DESC     *Resource,
+    UINT32                  Length,
+    UINT32                  Level);
+
+void
+AcpiDmDmaDescriptor (
+    ASL_DMA_FORMAT_DESC     *Resource,
+    UINT32                  Length,
+    UINT32                  Level);
+
+void
+AcpiDmIoDescriptor (
+    ASL_IO_PORT_DESC        *Resource,
+    UINT32                  Length,
+    UINT32                  Level);
+
+void
+AcpiDmFixedIoDescriptor (
+    ASL_FIXED_IO_PORT_DESC  *Resource,
+    UINT32                  Length,
+    UINT32                  Level);
+
+void
+AcpiDmStartDependentDescriptor (
+    ASL_START_DEPENDENT_DESC *Resource,
+    UINT32                  Length,
+    UINT32                  Level);
+
+void
+AcpiDmEndDependentDescriptor (
+    ASL_START_DEPENDENT_DESC *Resource,
+    UINT32                  Length,
+    UINT32                  Level);
+
+void
+AcpiDmVendorSmallDescriptor (
+    ASL_SMALL_VENDOR_DESC   *Resource,
+    UINT32                  Length,
+    UINT32                  Level);
+
+
+#endif  /* __ACDISASM_H__ */
diff --git a/sys/contrib/dev/acpica/acdispat.h b/sys/contrib/dev/acpica/acdispat.h
new file mode 100644
index 0000000..9ac94e1
--- /dev/null
+++ b/sys/contrib/dev/acpica/acdispat.h
@@ -0,0 +1,586 @@
+/******************************************************************************
+ *
+ * Name: acdispat.h - dispatcher (parser to interpreter interface)
+ *       $Revision: 55 $
+ *
+ *****************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+
+#ifndef _ACDISPAT_H_
+#define _ACDISPAT_H_
+
+
+#define NAMEOF_LOCAL_NTE    "__L0"
+#define NAMEOF_ARG_NTE      "__A0"
+
+
+/* Common interfaces */
+
+ACPI_STATUS
+AcpiDsObjStackPush (
+    void                    *Object,
+    ACPI_WALK_STATE         *WalkState);
+
+ACPI_STATUS
+AcpiDsObjStackPop (
+    UINT32                  PopCount,
+    ACPI_WALK_STATE         *WalkState);
+
+void *
+AcpiDsObjStackGetValue (
+    UINT32                  Index,
+    ACPI_WALK_STATE         *WalkState);
+
+ACPI_STATUS
+AcpiDsObjStackPopObject (
+    ACPI_OPERAND_OBJECT     **Object,
+    ACPI_WALK_STATE         *WalkState);
+
+
+/* dsopcode - support for late evaluation */
+
+ACPI_STATUS
+AcpiDsExecuteArguments (
+    ACPI_NAMESPACE_NODE     *Node,
+    ACPI_NAMESPACE_NODE     *ScopeNode,
+    UINT32                  AmlLength,
+    UINT8                   *AmlStart);
+
+ACPI_STATUS
+AcpiDsGetBufferFieldArguments (
+    ACPI_OPERAND_OBJECT     *ObjDesc);
+
+ACPI_STATUS
+AcpiDsGetRegionArguments (
+    ACPI_OPERAND_OBJECT     *RgnDesc);
+
+ACPI_STATUS
+AcpiDsGetBufferArguments (
+    ACPI_OPERAND_OBJECT     *ObjDesc);
+
+ACPI_STATUS
+AcpiDsGetPackageArguments (
+    ACPI_OPERAND_OBJECT     *ObjDesc);
+
+ACPI_STATUS
+AcpiDsInitBufferField (
+    UINT16                  AmlOpcode,
+    ACPI_OPERAND_OBJECT     *ObjDesc,
+    ACPI_OPERAND_OBJECT     *BufferDesc,
+    ACPI_OPERAND_OBJECT     *OffsetDesc,
+    ACPI_OPERAND_OBJECT     *LengthDesc,
+    ACPI_OPERAND_OBJECT     *ResultDesc);
+
+ACPI_STATUS
+AcpiDsEvalBufferFieldOperands (
+    ACPI_WALK_STATE         *WalkState,
+    ACPI_PARSE_OBJECT       *Op);
+
+ACPI_STATUS
+AcpiDsEvalRegionOperands (
+    ACPI_WALK_STATE         *WalkState,
+    ACPI_PARSE_OBJECT       *Op);
+
+ACPI_STATUS
+AcpiDsEvalDataObjectOperands (
+    ACPI_WALK_STATE         *WalkState,
+    ACPI_PARSE_OBJECT       *Op,
+    ACPI_OPERAND_OBJECT     *ObjDesc);
+
+ACPI_STATUS
+AcpiDsInitializeRegion (
+    ACPI_HANDLE             ObjHandle);
+
+
+/* dsctrl - Parser/Interpreter interface, control stack routines */
+
+
+ACPI_STATUS
+AcpiDsExecBeginControlOp (
+    ACPI_WALK_STATE         *WalkState,
+    ACPI_PARSE_OBJECT       *Op);
+
+ACPI_STATUS
+AcpiDsExecEndControlOp (
+    ACPI_WALK_STATE         *WalkState,
+    ACPI_PARSE_OBJECT       *Op);
+
+
+/* dsexec - Parser/Interpreter interface, method execution callbacks */
+
+
+ACPI_STATUS
+AcpiDsGetPredicateValue (
+    ACPI_WALK_STATE         *WalkState,
+    ACPI_OPERAND_OBJECT     *ResultObj);
+
+ACPI_STATUS
+AcpiDsExecBeginOp (
+    ACPI_WALK_STATE         *WalkState,
+    ACPI_PARSE_OBJECT       **OutOp);
+
+ACPI_STATUS
+AcpiDsExecEndOp (
+    ACPI_WALK_STATE         *State);
+
+
+/* dsfield - Parser/Interpreter interface for AML fields */
+
+ACPI_STATUS
+AcpiDsGetFieldNames (
+    ACPI_CREATE_FIELD_INFO  *Info,
+    ACPI_WALK_STATE         *WalkState,
+    ACPI_PARSE_OBJECT       *Arg);
+
+ACPI_STATUS
+AcpiDsCreateField (
+    ACPI_PARSE_OBJECT       *Op,
+    ACPI_NAMESPACE_NODE     *RegionNode,
+    ACPI_WALK_STATE         *WalkState);
+
+ACPI_STATUS
+AcpiDsCreateBankField (
+    ACPI_PARSE_OBJECT       *Op,
+    ACPI_NAMESPACE_NODE     *RegionNode,
+    ACPI_WALK_STATE         *WalkState);
+
+ACPI_STATUS
+AcpiDsCreateIndexField (
+    ACPI_PARSE_OBJECT       *Op,
+    ACPI_NAMESPACE_NODE     *RegionNode,
+    ACPI_WALK_STATE         *WalkState);
+
+ACPI_STATUS
+AcpiDsCreateBufferField (
+    ACPI_PARSE_OBJECT       *Op,
+    ACPI_WALK_STATE         *WalkState);
+
+ACPI_STATUS
+AcpiDsInitFieldObjects (
+    ACPI_PARSE_OBJECT       *Op,
+    ACPI_WALK_STATE         *WalkState);
+
+
+/* dsload - Parser/Interpreter interface, namespace load callbacks */
+
+ACPI_STATUS
+AcpiDsLoad1BeginOp (
+    ACPI_WALK_STATE         *WalkState,
+    ACPI_PARSE_OBJECT       **OutOp);
+
+ACPI_STATUS
+AcpiDsLoad1EndOp (
+    ACPI_WALK_STATE         *WalkState);
+
+ACPI_STATUS
+AcpiDsLoad2BeginOp (
+    ACPI_WALK_STATE         *WalkState,
+    ACPI_PARSE_OBJECT       **OutOp);
+
+ACPI_STATUS
+AcpiDsLoad2EndOp (
+    ACPI_WALK_STATE         *WalkState);
+
+ACPI_STATUS
+AcpiDsInitCallbacks (
+    ACPI_WALK_STATE         *WalkState,
+    UINT32                  PassNumber);
+
+
+/* dsmthdat - method data (locals/args) */
+
+
+ACPI_STATUS
+AcpiDsStoreObjectToLocal (
+    UINT16                  Opcode,
+    UINT32                  Index,
+    ACPI_OPERAND_OBJECT     *SrcDesc,
+    ACPI_WALK_STATE         *WalkState);
+
+ACPI_STATUS
+AcpiDsMethodDataGetEntry (
+    UINT16                  Opcode,
+    UINT32                  Index,
+    ACPI_WALK_STATE         *WalkState,
+    ACPI_OPERAND_OBJECT     ***Node);
+
+void
+AcpiDsMethodDataDeleteAll (
+    ACPI_WALK_STATE         *WalkState);
+
+BOOLEAN
+AcpiDsIsMethodValue (
+    ACPI_OPERAND_OBJECT     *ObjDesc);
+
+ACPI_OBJECT_TYPE
+AcpiDsMethodDataGetType (
+    UINT16                  Opcode,
+    UINT32                  Index,
+    ACPI_WALK_STATE         *WalkState);
+
+ACPI_STATUS
+AcpiDsMethodDataGetValue (
+    UINT16                  Opcode,
+    UINT32                  Index,
+    ACPI_WALK_STATE         *WalkState,
+    ACPI_OPERAND_OBJECT     **DestDesc);
+
+void
+AcpiDsMethodDataDeleteValue (
+    UINT16                  Opcode,
+    UINT32                  Index,
+    ACPI_WALK_STATE         *WalkState);
+
+ACPI_STATUS
+AcpiDsMethodDataInitArgs (
+    ACPI_OPERAND_OBJECT     **Params,
+    UINT32                  MaxParamCount,
+    ACPI_WALK_STATE         *WalkState);
+
+ACPI_STATUS
+AcpiDsMethodDataGetNode (
+    UINT16                  Opcode,
+    UINT32                  Index,
+    ACPI_WALK_STATE         *WalkState,
+    ACPI_NAMESPACE_NODE     **Node);
+
+void
+AcpiDsMethodDataInit (
+    ACPI_WALK_STATE         *WalkState);
+
+ACPI_STATUS
+AcpiDsMethodDataSetValue (
+    UINT16                  Opcode,
+    UINT32                  Index,
+    ACPI_OPERAND_OBJECT     *Object,
+    ACPI_WALK_STATE         *WalkState);
+
+
+/* dsmethod - Parser/Interpreter interface - control method parsing */
+
+ACPI_STATUS
+AcpiDsParseMethod (
+    ACPI_HANDLE             ObjHandle);
+
+ACPI_STATUS
+AcpiDsCallControlMethod (
+    ACPI_THREAD_STATE       *Thread,
+    ACPI_WALK_STATE         *WalkState,
+    ACPI_PARSE_OBJECT       *Op);
+
+ACPI_STATUS
+AcpiDsRestartControlMethod (
+    ACPI_WALK_STATE         *WalkState,
+    ACPI_OPERAND_OBJECT     *ReturnDesc);
+
+ACPI_STATUS
+AcpiDsTerminateControlMethod (
+    ACPI_WALK_STATE         *WalkState);
+
+ACPI_STATUS
+AcpiDsBeginMethodExecution (
+    ACPI_NAMESPACE_NODE     *MethodNode,
+    ACPI_OPERAND_OBJECT     *ObjDesc,
+    ACPI_NAMESPACE_NODE     *CallingMethodNode);
+
+
+/* dsobj - Parser/Interpreter interface - object initialization and conversion */
+
+ACPI_STATUS
+AcpiDsInitOneObject (
+    ACPI_HANDLE             ObjHandle,
+    UINT32                  Level,
+    void                    *Context,
+    void                    **ReturnValue);
+
+ACPI_STATUS
+AcpiDsInitializeObjects (
+    ACPI_TABLE_DESC         *TableDesc,
+    ACPI_NAMESPACE_NODE     *StartNode);
+
+ACPI_STATUS
+AcpiDsBuildInternalBufferObj (
+    ACPI_WALK_STATE         *WalkState,
+    ACPI_PARSE_OBJECT       *Op,
+    UINT32                  BufferLength,
+    ACPI_OPERAND_OBJECT     **ObjDescPtr);
+
+ACPI_STATUS
+AcpiDsBuildInternalPackageObj (
+    ACPI_WALK_STATE         *WalkState,
+    ACPI_PARSE_OBJECT       *op,
+    UINT32                  PackageLength,
+    ACPI_OPERAND_OBJECT     **ObjDesc);
+
+ACPI_STATUS
+AcpiDsBuildInternalObject (
+    ACPI_WALK_STATE         *WalkState,
+    ACPI_PARSE_OBJECT       *Op,
+    ACPI_OPERAND_OBJECT     **ObjDescPtr);
+
+ACPI_STATUS
+AcpiDsInitObjectFromOp (
+    ACPI_WALK_STATE         *WalkState,
+    ACPI_PARSE_OBJECT       *Op,
+    UINT16                  Opcode,
+    ACPI_OPERAND_OBJECT     **ObjDesc);
+
+ACPI_STATUS
+AcpiDsCreateNode (
+    ACPI_WALK_STATE         *WalkState,
+    ACPI_NAMESPACE_NODE     *Node,
+    ACPI_PARSE_OBJECT       *Op);
+
+
+/* dsutils - Parser/Interpreter interface utility routines */
+
+BOOLEAN
+AcpiDsIsResultUsed (
+    ACPI_PARSE_OBJECT       *Op,
+    ACPI_WALK_STATE         *WalkState);
+
+void
+AcpiDsDeleteResultIfNotUsed (
+    ACPI_PARSE_OBJECT       *Op,
+    ACPI_OPERAND_OBJECT     *ResultObj,
+    ACPI_WALK_STATE         *WalkState);
+
+ACPI_STATUS
+AcpiDsCreateOperand (
+    ACPI_WALK_STATE         *WalkState,
+    ACPI_PARSE_OBJECT       *Arg,
+    UINT32                  ArgsRemaining);
+
+ACPI_STATUS
+AcpiDsCreateOperands (
+    ACPI_WALK_STATE         *WalkState,
+    ACPI_PARSE_OBJECT       *FirstArg);
+
+ACPI_STATUS
+AcpiDsResolveOperands (
+    ACPI_WALK_STATE         *WalkState);
+
+void
+AcpiDsClearOperands (
+    ACPI_WALK_STATE         *WalkState);
+
+
+/*
+ * dswscope - Scope Stack manipulation
+ */
+
+ACPI_STATUS
+AcpiDsScopeStackPush (
+    ACPI_NAMESPACE_NODE     *Node,
+    ACPI_OBJECT_TYPE        Type,
+    ACPI_WALK_STATE         *WalkState);
+
+
+ACPI_STATUS
+AcpiDsScopeStackPop (
+    ACPI_WALK_STATE         *WalkState);
+
+void
+AcpiDsScopeStackClear (
+    ACPI_WALK_STATE         *WalkState);
+
+
+/* dswstate - parser WALK_STATE management routines */
+
+ACPI_WALK_STATE *
+AcpiDsCreateWalkState (
+    ACPI_OWNER_ID           OwnerId,
+    ACPI_PARSE_OBJECT       *Origin,
+    ACPI_OPERAND_OBJECT     *MthDesc,
+    ACPI_THREAD_STATE       *Thread);
+
+ACPI_STATUS
+AcpiDsInitAmlWalk (
+    ACPI_WALK_STATE         *WalkState,
+    ACPI_PARSE_OBJECT       *Op,
+    ACPI_NAMESPACE_NODE     *MethodNode,
+    UINT8                   *AmlStart,
+    UINT32                  AmlLength,
+    ACPI_OPERAND_OBJECT     **Params,
+    ACPI_OPERAND_OBJECT     **ReturnObjDesc,
+    UINT32                  PassNumber);
+
+ACPI_STATUS
+AcpiDsObjStackDeleteAll (
+    ACPI_WALK_STATE         *WalkState);
+
+ACPI_STATUS
+AcpiDsObjStackPopAndDelete (
+    UINT32                  PopCount,
+    ACPI_WALK_STATE         *WalkState);
+
+void
+AcpiDsDeleteWalkState (
+    ACPI_WALK_STATE         *WalkState);
+
+ACPI_WALK_STATE *
+AcpiDsPopWalkState (
+    ACPI_THREAD_STATE       *Thread);
+
+void
+AcpiDsPushWalkState (
+    ACPI_WALK_STATE         *WalkState,
+    ACPI_THREAD_STATE       *Thread);
+
+ACPI_STATUS
+AcpiDsResultStackPop (
+    ACPI_WALK_STATE         *WalkState);
+
+ACPI_STATUS
+AcpiDsResultStackPush (
+    ACPI_WALK_STATE         *WalkState);
+
+ACPI_STATUS
+AcpiDsResultStackClear (
+    ACPI_WALK_STATE         *WalkState);
+
+ACPI_WALK_STATE *
+AcpiDsGetCurrentWalkState (
+    ACPI_THREAD_STATE       *Thread);
+
+void
+AcpiDsDeleteWalkStateCache (
+    void);
+
+ACPI_STATUS
+AcpiDsResultInsert (
+    void                    *Object,
+    UINT32                  Index,
+    ACPI_WALK_STATE         *WalkState);
+
+ACPI_STATUS
+AcpiDsResultRemove (
+    ACPI_OPERAND_OBJECT     **Object,
+    UINT32                  Index,
+    ACPI_WALK_STATE         *WalkState);
+
+ACPI_STATUS
+AcpiDsResultPop (
+    ACPI_OPERAND_OBJECT     **Object,
+    ACPI_WALK_STATE         *WalkState);
+
+ACPI_STATUS
+AcpiDsResultPush (
+    ACPI_OPERAND_OBJECT     *Object,
+    ACPI_WALK_STATE         *WalkState);
+
+ACPI_STATUS
+AcpiDsResultPopFromBottom (
+    ACPI_OPERAND_OBJECT     **Object,
+    ACPI_WALK_STATE         *WalkState);
+
+#endif /* _ACDISPAT_H_ */
diff --git a/sys/contrib/dev/acpica/acdos16.h b/sys/contrib/dev/acpica/acdos16.h
new file mode 100644
index 0000000..435f293
--- /dev/null
+++ b/sys/contrib/dev/acpica/acdos16.h
@@ -0,0 +1,152 @@
+/******************************************************************************
+ *
+ * Name: acdos16.h - DOS specific defines, etc.
+ *       $Revision: 2 $
+ *
+ *****************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+#ifndef __ACDOS16_H__
+#define __ACDOS16_H__
+
+#define ACPI_USE_STANDARD_HEADERS
+#define ACPI_OS_NAME                "MSDOS"
+
+/*
+ * Calling conventions:
+ *
+ * ACPI_SYSTEM_XFACE        - Interfaces to host OS (handlers, threads)
+ * ACPI_EXTERNAL_XFACE      - External ACPI interfaces 
+ * ACPI_INTERNAL_XFACE      - Internal ACPI interfaces
+ * ACPI_INTERNAL_VAR_XFACE  - Internal variable-parameter list interfaces
+ */
+#define ACPI_SYSTEM_XFACE           __cdecl
+#define ACPI_EXTERNAL_XFACE
+#define ACPI_INTERNAL_XFACE
+#define ACPI_INTERNAL_VAR_XFACE     __cdecl
+
+#define ACPI_ASM_MACROS
+#define BREAKPOINT3
+#define ACPI_DISABLE_IRQS()
+#define ACPI_ENABLE_IRQS()
+#define halt()
+#define ACPI_ACQUIRE_GLOBAL_LOCK(GLptr, Acq)
+#define ACPI_RELEASE_GLOBAL_LOCK(GLptr, Acq)
+
+
+
+/* This macro is used to tag functions as "printf-like" because
+ * some compilers can catch printf format string problems. MSVC
+ * doesn't, so this is proprocessed away.
+ */
+#define ACPI_PRINTF_LIKE_FUNC
+
+#endif /* __ACDOS16_H__ */
diff --git a/sys/contrib/dev/acpica/acefi.h b/sys/contrib/dev/acpica/acefi.h
new file mode 100644
index 0000000..4c39ef7
--- /dev/null
+++ b/sys/contrib/dev/acpica/acefi.h
@@ -0,0 +1,150 @@
+/******************************************************************************
+ *
+ * Name: acefi.h - OS specific defines, etc.
+ *       $Revision: 12 $
+ *
+ *****************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+#ifndef __ACEFI_H__
+#define __ACEFI_H__
+
+#define ACPI_OS_NAME                "AED EFI"
+
+#include <efi.h>
+#include <efistdarg.h>
+#include <efilib.h>
+
+
+/* _int64 works for both IA32 and IA64 */
+
+#define COMPILER_DEPENDENT_INT64   __int64
+#define COMPILER_DEPENDENT_UINT64  unsigned __int64
+
+/*
+ * Calling conventions:
+ *
+ * ACPI_SYSTEM_XFACE        - Interfaces to host OS (handlers, threads)
+ * ACPI_EXTERNAL_XFACE      - External ACPI interfaces
+ * ACPI_INTERNAL_XFACE      - Internal ACPI interfaces
+ * ACPI_INTERNAL_VAR_XFACE  - Internal variable-parameter list interfaces
+ */
+#define ACPI_SYSTEM_XFACE
+#define ACPI_EXTERNAL_XFACE
+#define ACPI_INTERNAL_XFACE
+#define ACPI_INTERNAL_VAR_XFACE
+
+/* warn C4142: redefinition of type */
+
+#pragma warning(disable:4142)
+
+
+#endif /* __ACEFI_H__ */
diff --git a/sys/contrib/dev/acpica/acenv.h b/sys/contrib/dev/acpica/acenv.h
new file mode 100644
index 0000000..ea5cf30
--- /dev/null
+++ b/sys/contrib/dev/acpica/acenv.h
@@ -0,0 +1,438 @@
+/******************************************************************************
+ *
+ * Name: acenv.h - Generation environment specific items
+ *       $Revision: 101 $
+ *
+ *****************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+#ifndef __ACENV_H__
+#define __ACENV_H__
+
+
+/*
+ * Configuration for ACPI tools and utilities
+ */
+
+#ifdef _ACPI_DUMP_APP
+#ifndef MSDOS
+#define ACPI_DEBUG_OUTPUT
+#endif
+#define ACPI_APPLICATION
+#define ACPI_DISASSEMBLER
+#define ACPI_NO_METHOD_EXECUTION
+#define ACPI_USE_SYSTEM_CLIBRARY
+#endif
+
+#ifdef _ACPI_EXEC_APP
+#undef DEBUGGER_THREADING
+#define DEBUGGER_THREADING      DEBUGGER_SINGLE_THREADED
+#define ACPI_DEBUG_OUTPUT
+#define ACPI_APPLICATION
+#define ACPI_DEBUGGER
+#define ACPI_DISASSEMBLER
+#define ACPI_USE_SYSTEM_CLIBRARY
+#endif
+
+#ifdef _ACPI_ASL_COMPILER
+#define ACPI_DEBUG_OUTPUT
+#define ACPI_APPLICATION
+#define ACPI_DISASSEMBLER
+#define ACPI_CONSTANT_EVAL_ONLY
+#define ACPI_USE_SYSTEM_CLIBRARY
+#endif
+
+/*
+ * Environment configuration.  The purpose of this file is to interface to the
+ * local generation environment.
+ *
+ * 1) ACPI_USE_SYSTEM_CLIBRARY - Define this if linking to an actual C library.
+ *      Otherwise, local versions of string/memory functions will be used.
+ * 2) ACPI_USE_STANDARD_HEADERS - Define this if linking to a C library and
+ *      the standard header files may be used.
+ *
+ * The ACPI subsystem only uses low level C library functions that do not call
+ * operating system services and may therefore be inlined in the code.
+ *
+ * It may be necessary to tailor these include files to the target
+ * generation environment.
+ *
+ *
+ * Functions and constants used from each header:
+ *
+ * string.h:    memcpy
+ *              memset
+ *              strcat
+ *              strcmp
+ *              strcpy
+ *              strlen
+ *              strncmp
+ *              strncat
+ *              strncpy
+ *
+ * stdlib.h:    strtoul
+ *
+ * stdarg.h:    va_list
+ *              va_arg
+ *              va_start
+ *              va_end
+ *
+ */
+
+/*! [Begin] no source code translation */
+
+#if defined(_LINUX)
+#include "aclinux.h"
+
+#elif defined(_AED_EFI)
+#include "acefi.h"
+
+#elif defined(WIN32)
+#include "acwin.h"
+
+#elif defined(WIN64)
+#include "acwin64.h"
+
+#elif defined(MSDOS)        /* Must appear after WIN32 and WIN64 check */
+#include "acdos16.h"
+
+#elif defined(__FreeBSD__)
+#include "acfreebsd.h"
+
+#elif defined(MODESTO)
+#include "acmodesto.h"
+
+#elif defined(NETWARE)
+#include "acnetware.h"
+
+#else
+
+/* All other environments */
+
+#define ACPI_USE_STANDARD_HEADERS
+
+#define COMPILER_DEPENDENT_INT64   long long
+#define COMPILER_DEPENDENT_UINT64  unsigned long long
+
+
+/* Name of host operating system (returned by the _OS_ namespace object) */
+
+#define ACPI_OS_NAME         "Intel ACPI/CA Core Subsystem"
+
+/* This macro is used to tag functions as "printf-like" because
+ * some compilers can catch printf format string problems. MSVC
+ * doesn't, so this is proprocessed away.
+ */
+#define ACPI_PRINTF_LIKE_FUNC
+
+#endif
+
+/*
+ * Memory allocation tracking.  Used only if
+ * 1) This is the debug version
+ * 2) This is NOT a 16-bit version of the code (not enough real-mode memory)
+ */
+#ifdef ACPI_DEBUG_OUTPUT
+#if ACPI_MACHINE_WIDTH != 16
+#define ACPI_DBG_TRACK_ALLOCATIONS
+#endif
+#endif
+
+/*! [End] no source code translation !*/
+
+
+/*
+ * Debugger threading model
+ * Use single threaded if the entire subsystem is contained in an application
+ * Use multiple threaded when the subsystem is running in the kernel.
+ *
+ * By default the model is single threaded if ACPI_APPLICATION is set,
+ * multi-threaded if ACPI_APPLICATION is not set.
+ */
+#define DEBUGGER_SINGLE_THREADED    0
+#define DEBUGGER_MULTI_THREADED     1
+
+#ifndef DEBUGGER_THREADING
+#ifdef ACPI_APPLICATION
+#define DEBUGGER_THREADING          DEBUGGER_SINGLE_THREADED
+
+#else
+#define DEBUGGER_THREADING          DEBUGGER_MULTI_THREADED
+#endif
+#endif
+
+
+/******************************************************************************
+ *
+ * C library configuration
+ *
+ *****************************************************************************/
+
+#ifdef ACPI_USE_SYSTEM_CLIBRARY
+/*
+ * Use the standard C library headers.
+ * We want to keep these to a minimum.
+ */
+
+#ifdef ACPI_USE_STANDARD_HEADERS
+/*
+ * Use the standard headers from the standard locations
+ */
+#include <stdarg.h>
+#include <stdlib.h>
+#include <string.h>
+#include <ctype.h>
+
+#endif /* ACPI_USE_STANDARD_HEADERS */
+
+/*
+ * We will be linking to the standard Clib functions
+ */
+
+#define ACPI_STRSTR(s1,s2)      strstr((s1), (s2))
+#define ACPI_STRUPR(s)          (void) AcpiUtStrupr ((s))
+#define ACPI_STRLEN(s)          (ACPI_SIZE) strlen((s))
+#define ACPI_STRCPY(d,s)        (void) strcpy((d), (s))
+#define ACPI_STRNCPY(d,s,n)     (void) strncpy((d), (s), (ACPI_SIZE)(n))
+#define ACPI_STRNCMP(d,s,n)     strncmp((d), (s), (ACPI_SIZE)(n))
+#define ACPI_STRCMP(d,s)        strcmp((d), (s))
+#define ACPI_STRCAT(d,s)        (void) strcat((d), (s))
+#define ACPI_STRNCAT(d,s,n)     strncat((d), (s), (ACPI_SIZE)(n))
+#define ACPI_STRTOUL(d,s,n)     strtoul((d), (s), (ACPI_SIZE)(n))
+#define ACPI_MEMCPY(d,s,n)      (void) memcpy((d), (s), (ACPI_SIZE)(n))
+#define ACPI_MEMSET(d,s,n)      (void) memset((d), (s), (ACPI_SIZE)(n))
+
+#define ACPI_TOUPPER            toupper
+#define ACPI_TOLOWER            tolower
+#define ACPI_IS_XDIGIT          isxdigit
+#define ACPI_IS_DIGIT           isdigit
+#define ACPI_IS_SPACE           isspace
+#define ACPI_IS_UPPER           isupper
+#define ACPI_IS_PRINT           isprint
+#define ACPI_IS_ALPHA           isalpha
+#define ACPI_IS_ASCII           isascii
+
+/******************************************************************************
+ *
+ * Not using native C library, use local implementations
+ *
+ *****************************************************************************/
+#else
+
+/*
+ * Use local definitions of C library macros and functions
+ * NOTE: The function implementations may not be as efficient
+ * as an inline or assembly code implementation provided by a
+ * native C library.
+ */
+
+#ifndef va_arg
+
+#ifndef _VALIST
+#define _VALIST
+typedef char *va_list;
+#endif /* _VALIST */
+
+/*
+ * Storage alignment properties
+ */
+
+#define  _AUPBND                (sizeof (NATIVE_INT) - 1)
+#define  _ADNBND                (sizeof (NATIVE_INT) - 1)
+
+/*
+ * Variable argument list macro definitions
+ */
+
+#define _Bnd(X, bnd)            (((sizeof (X)) + (bnd)) & (~(bnd)))
+#define va_arg(ap, T)           (*(T *)(((ap) += (_Bnd (T, _AUPBND))) - (_Bnd (T,_ADNBND))))
+#define va_end(ap)              (void) 0
+#define va_start(ap, A)         (void) ((ap) = (((char *) &(A)) + (_Bnd (A,_AUPBND))))
+
+#endif /* va_arg */
+
+
+#define ACPI_STRSTR(s1,s2)      AcpiUtStrstr  ((s1), (s2))
+#define ACPI_STRUPR(s)          (void) AcpiUtStrupr ((s))
+#define ACPI_STRLEN(s)          (ACPI_SIZE) AcpiUtStrlen  ((s))
+#define ACPI_STRCPY(d,s)        (void) AcpiUtStrcpy  ((d), (s))
+#define ACPI_STRNCPY(d,s,n)     (void) AcpiUtStrncpy ((d), (s), (ACPI_SIZE)(n))
+#define ACPI_STRNCMP(d,s,n)     AcpiUtStrncmp ((d), (s), (ACPI_SIZE)(n))
+#define ACPI_STRCMP(d,s)        AcpiUtStrcmp  ((d), (s))
+#define ACPI_STRCAT(d,s)        (void) AcpiUtStrcat  ((d), (s))
+#define ACPI_STRNCAT(d,s,n)     AcpiUtStrncat ((d), (s), (ACPI_SIZE)(n))
+#define ACPI_STRTOUL(d,s,n)     AcpiUtStrtoul ((d), (s), (ACPI_SIZE)(n))
+#define ACPI_MEMCPY(d,s,n)      (void) AcpiUtMemcpy  ((d), (s), (ACPI_SIZE)(n))
+#define ACPI_MEMSET(d,v,n)      (void) AcpiUtMemset  ((d), (v), (ACPI_SIZE)(n))
+#define ACPI_TOUPPER            AcpiUtToUpper
+#define ACPI_TOLOWER            AcpiUtToLower
+
+#endif /* ACPI_USE_SYSTEM_CLIBRARY */
+
+
+/******************************************************************************
+ *
+ * Assembly code macros
+ *
+ *****************************************************************************/
+
+/*
+ * Handle platform- and compiler-specific assembly language differences.
+ * These should already have been defined by the platform includes above.
+ *
+ * Notes:
+ * 1) Interrupt 3 is used to break into a debugger
+ * 2) Interrupts are turned off during ACPI register setup
+ */
+
+/* Unrecognized compiler, use defaults */
+
+#ifndef ACPI_ASM_MACROS
+
+/*
+ * Calling conventions:
+ *
+ * ACPI_SYSTEM_XFACE        - Interfaces to host OS (handlers, threads)
+ * ACPI_EXTERNAL_XFACE      - External ACPI interfaces
+ * ACPI_INTERNAL_XFACE      - Internal ACPI interfaces
+ * ACPI_INTERNAL_VAR_XFACE  - Internal variable-parameter list interfaces
+ */
+#define ACPI_SYSTEM_XFACE
+#define ACPI_EXTERNAL_XFACE
+#define ACPI_INTERNAL_XFACE
+#define ACPI_INTERNAL_VAR_XFACE
+
+#define ACPI_ASM_MACROS
+#define BREAKPOINT3
+#define ACPI_DISABLE_IRQS()
+#define ACPI_ENABLE_IRQS()
+#define ACPI_ACQUIRE_GLOBAL_LOCK(GLptr, Acq)
+#define ACPI_RELEASE_GLOBAL_LOCK(GLptr, Acq)
+
+#endif /* ACPI_ASM_MACROS */
+
+
+#ifdef ACPI_APPLICATION
+
+/* Don't want software interrupts within a ring3 application */
+
+#undef BREAKPOINT3
+#define BREAKPOINT3
+#endif
+
+
+/******************************************************************************
+ *
+ * Compiler-specific information is contained in the compiler-specific
+ * headers.
+ *
+ *****************************************************************************/
+#endif /* __ACENV_H__ */
diff --git a/sys/contrib/dev/acpica/acevents.h b/sys/contrib/dev/acpica/acevents.h
new file mode 100644
index 0000000..baa7cb8
--- /dev/null
+++ b/sys/contrib/dev/acpica/acevents.h
@@ -0,0 +1,313 @@
+/******************************************************************************
+ *
+ * Name: acevents.h - Event subcomponent prototypes and defines
+ *       $Revision: 80 $
+ *
+ *****************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+#ifndef __ACEVENTS_H__
+#define __ACEVENTS_H__
+
+
+ACPI_STATUS
+AcpiEvInitialize (
+    void);
+
+ACPI_STATUS
+AcpiEvHandlerInitialize (
+    void);
+
+
+/*
+ * Evfixed - Fixed event handling
+ */
+
+ACPI_STATUS
+AcpiEvFixedEventInitialize (
+    void);
+
+UINT32
+AcpiEvFixedEventDetect (
+    void);
+
+UINT32
+AcpiEvFixedEventDispatch (
+    UINT32                  Event);
+
+
+/*
+ * Evmisc
+ */
+
+BOOLEAN
+AcpiEvIsNotifyObject (
+    ACPI_NAMESPACE_NODE     *Node);
+
+ACPI_STATUS
+AcpiEvAcquireGlobalLock(
+    UINT16                  Timeout);
+
+ACPI_STATUS
+AcpiEvReleaseGlobalLock(
+    void);
+
+ACPI_STATUS
+AcpiEvInitGlobalLockHandler (
+    void);
+
+UINT32
+AcpiEvGetGpeRegisterIndex (
+    UINT32                  GpeNumber);
+
+UINT32
+AcpiEvGetGpeNumberIndex (
+    UINT32                  GpeNumber);
+
+ACPI_STATUS
+AcpiEvQueueNotifyRequest (
+    ACPI_NAMESPACE_NODE     *Node,
+    UINT32                  NotifyValue);
+
+void ACPI_SYSTEM_XFACE
+AcpiEvNotifyDispatch (
+    void                    *Context);
+
+
+/*
+ * Evgpe - GPE handling and dispatch
+ */
+
+ACPI_STATUS
+AcpiEvGpeInitialize (
+    void);
+
+ACPI_STATUS
+AcpiEvInitGpeControlMethods (
+    void);
+
+UINT32
+AcpiEvGpeDispatch (
+    UINT32                  GpeNumber);
+
+UINT32
+AcpiEvGpeDetect (
+    void);
+
+/*
+ * Evregion - Address Space handling
+ */
+
+ACPI_STATUS
+AcpiEvInitAddressSpaces (
+    void);
+
+ACPI_STATUS
+AcpiEvAddressSpaceDispatch (
+    ACPI_OPERAND_OBJECT    *RegionObj,
+    UINT32                  Function,
+    ACPI_PHYSICAL_ADDRESS   Address,
+    UINT32                  BitWidth,
+    void                    *Value);
+
+ACPI_STATUS
+AcpiEvAddrHandlerHelper (
+    ACPI_HANDLE             ObjHandle,
+    UINT32                  Level,
+    void                    *Context,
+    void                    **ReturnValue);
+
+ACPI_STATUS
+AcpiEvAttachRegion (
+    ACPI_OPERAND_OBJECT     *HandlerObj,
+    ACPI_OPERAND_OBJECT     *RegionObj,
+    BOOLEAN                 AcpiNsIsLocked);
+
+void
+AcpiEvDetachRegion (
+    ACPI_OPERAND_OBJECT    *RegionObj,
+    BOOLEAN                 AcpiNsIsLocked);
+
+
+/*
+ * Evregini - Region initialization and setup
+ */
+
+ACPI_STATUS
+AcpiEvSystemMemoryRegionSetup (
+    ACPI_HANDLE             Handle,
+    UINT32                  Function,
+    void                    *HandlerContext,
+    void                    **RegionContext);
+
+ACPI_STATUS
+AcpiEvIoSpaceRegionSetup (
+    ACPI_HANDLE             Handle,
+    UINT32                  Function,
+    void                    *HandlerContext,
+    void                    **RegionContext);
+
+ACPI_STATUS
+AcpiEvPciConfigRegionSetup (
+    ACPI_HANDLE             Handle,
+    UINT32                  Function,
+    void                    *HandlerContext,
+    void                    **RegionContext);
+
+ACPI_STATUS
+AcpiEvCmosRegionSetup (
+    ACPI_HANDLE             Handle,
+    UINT32                  Function,
+    void                    *HandlerContext,
+    void                    **RegionContext);
+
+ACPI_STATUS
+AcpiEvPciBarRegionSetup (
+    ACPI_HANDLE             Handle,
+    UINT32                  Function,
+    void                    *HandlerContext,
+    void                    **RegionContext);
+
+ACPI_STATUS
+AcpiEvDefaultRegionSetup (
+    ACPI_HANDLE             Handle,
+    UINT32                  Function,
+    void                    *HandlerContext,
+    void                    **RegionContext);
+
+ACPI_STATUS
+AcpiEvInitializeRegion (
+    ACPI_OPERAND_OBJECT     *RegionObj,
+    BOOLEAN                 AcpiNsLocked);
+
+
+/*
+ * Evsci - SCI (System Control Interrupt) handling/dispatch
+ */
+
+UINT32
+AcpiEvInstallSciHandler (
+    void);
+
+ACPI_STATUS
+AcpiEvRemoveSciHandler (
+    void);
+
+UINT32
+AcpiEvInitializeSCI (
+    UINT32                  ProgramSCI);
+
+void
+AcpiEvTerminate (
+    void);
+
+
+#endif  /* __ACEVENTS_H__  */
diff --git a/sys/contrib/dev/acpica/acexcep.h b/sys/contrib/dev/acpica/acexcep.h
new file mode 100644
index 0000000..ffc2075
--- /dev/null
+++ b/sys/contrib/dev/acpica/acexcep.h
@@ -0,0 +1,373 @@
+/******************************************************************************
+ *
+ * Name: acexcep.h - Exception codes returned by the ACPI subsystem
+ *       $Revision: 64 $
+ *
+ *****************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+#ifndef __ACEXCEP_H__
+#define __ACEXCEP_H__
+
+
+/*
+ * Exceptions returned by external ACPI interfaces
+ */
+
+#define AE_CODE_ENVIRONMENTAL           0x0000
+#define AE_CODE_PROGRAMMER              0x1000
+#define AE_CODE_ACPI_TABLES             0x2000
+#define AE_CODE_AML                     0x3000
+#define AE_CODE_CONTROL                 0x4000
+#define AE_CODE_MASK                    0xF000
+
+
+#define ACPI_SUCCESS(a)                 (!(a))
+#define ACPI_FAILURE(a)                 (a)
+
+
+#define AE_OK                           (ACPI_STATUS) 0x0000
+
+/*
+ * Environmental exceptions
+ */
+#define AE_ERROR                        (ACPI_STATUS) (0x0001 | AE_CODE_ENVIRONMENTAL)
+#define AE_NO_ACPI_TABLES               (ACPI_STATUS) (0x0002 | AE_CODE_ENVIRONMENTAL)
+#define AE_NO_NAMESPACE                 (ACPI_STATUS) (0x0003 | AE_CODE_ENVIRONMENTAL)
+#define AE_NO_MEMORY                    (ACPI_STATUS) (0x0004 | AE_CODE_ENVIRONMENTAL)
+#define AE_NOT_FOUND                    (ACPI_STATUS) (0x0005 | AE_CODE_ENVIRONMENTAL)
+#define AE_NOT_EXIST                    (ACPI_STATUS) (0x0006 | AE_CODE_ENVIRONMENTAL)
+#define AE_ALREADY_EXISTS               (ACPI_STATUS) (0x0007 | AE_CODE_ENVIRONMENTAL)
+#define AE_TYPE                         (ACPI_STATUS) (0x0008 | AE_CODE_ENVIRONMENTAL)
+#define AE_NULL_OBJECT                  (ACPI_STATUS) (0x0009 | AE_CODE_ENVIRONMENTAL)
+#define AE_NULL_ENTRY                   (ACPI_STATUS) (0x000A | AE_CODE_ENVIRONMENTAL)
+#define AE_BUFFER_OVERFLOW              (ACPI_STATUS) (0x000B | AE_CODE_ENVIRONMENTAL)
+#define AE_STACK_OVERFLOW               (ACPI_STATUS) (0x000C | AE_CODE_ENVIRONMENTAL)
+#define AE_STACK_UNDERFLOW              (ACPI_STATUS) (0x000D | AE_CODE_ENVIRONMENTAL)
+#define AE_NOT_IMPLEMENTED              (ACPI_STATUS) (0x000E | AE_CODE_ENVIRONMENTAL)
+#define AE_VERSION_MISMATCH             (ACPI_STATUS) (0x000F | AE_CODE_ENVIRONMENTAL)
+#define AE_SUPPORT                      (ACPI_STATUS) (0x0010 | AE_CODE_ENVIRONMENTAL)
+#define AE_SHARE                        (ACPI_STATUS) (0x0011 | AE_CODE_ENVIRONMENTAL)
+#define AE_LIMIT                        (ACPI_STATUS) (0x0012 | AE_CODE_ENVIRONMENTAL)
+#define AE_TIME                         (ACPI_STATUS) (0x0013 | AE_CODE_ENVIRONMENTAL)
+#define AE_UNKNOWN_STATUS               (ACPI_STATUS) (0x0014 | AE_CODE_ENVIRONMENTAL)
+#define AE_ACQUIRE_DEADLOCK             (ACPI_STATUS) (0x0015 | AE_CODE_ENVIRONMENTAL)
+#define AE_RELEASE_DEADLOCK             (ACPI_STATUS) (0x0016 | AE_CODE_ENVIRONMENTAL)
+#define AE_NOT_ACQUIRED                 (ACPI_STATUS) (0x0017 | AE_CODE_ENVIRONMENTAL)
+#define AE_ALREADY_ACQUIRED             (ACPI_STATUS) (0x0018 | AE_CODE_ENVIRONMENTAL)
+#define AE_NO_HARDWARE_RESPONSE         (ACPI_STATUS) (0x0019 | AE_CODE_ENVIRONMENTAL)
+#define AE_NO_GLOBAL_LOCK               (ACPI_STATUS) (0x001A | AE_CODE_ENVIRONMENTAL)
+#define AE_LOGICAL_ADDRESS              (ACPI_STATUS) (0x001B | AE_CODE_ENVIRONMENTAL)
+
+#define AE_CODE_ENV_MAX                 0x001B
+
+/*
+ * Programmer exceptions
+ */
+#define AE_BAD_PARAMETER                (ACPI_STATUS) (0x0001 | AE_CODE_PROGRAMMER)
+#define AE_BAD_CHARACTER                (ACPI_STATUS) (0x0002 | AE_CODE_PROGRAMMER)
+#define AE_BAD_PATHNAME                 (ACPI_STATUS) (0x0003 | AE_CODE_PROGRAMMER)
+#define AE_BAD_DATA                     (ACPI_STATUS) (0x0004 | AE_CODE_PROGRAMMER)
+#define AE_BAD_ADDRESS                  (ACPI_STATUS) (0x0005 | AE_CODE_PROGRAMMER)
+#define AE_ALIGNMENT                    (ACPI_STATUS) (0x0006 | AE_CODE_PROGRAMMER)
+#define AE_BAD_HEX_CONSTANT             (ACPI_STATUS) (0x0007 | AE_CODE_PROGRAMMER)
+#define AE_BAD_OCTAL_CONSTANT           (ACPI_STATUS) (0x0008 | AE_CODE_PROGRAMMER)
+#define AE_BAD_DECIMAL_CONSTANT         (ACPI_STATUS) (0x0009 | AE_CODE_PROGRAMMER)
+
+#define AE_CODE_PGM_MAX                 0x0009
+
+
+/*
+ * Acpi table exceptions
+ */
+#define AE_BAD_SIGNATURE                (ACPI_STATUS) (0x0001 | AE_CODE_ACPI_TABLES)
+#define AE_BAD_HEADER                   (ACPI_STATUS) (0x0002 | AE_CODE_ACPI_TABLES)
+#define AE_BAD_CHECKSUM                 (ACPI_STATUS) (0x0003 | AE_CODE_ACPI_TABLES)
+#define AE_BAD_VALUE                    (ACPI_STATUS) (0x0004 | AE_CODE_ACPI_TABLES)
+#define AE_TABLE_NOT_SUPPORTED          (ACPI_STATUS) (0x0005 | AE_CODE_ACPI_TABLES)
+#define AE_INVALID_TABLE_LENGTH         (ACPI_STATUS) (0x0006 | AE_CODE_ACPI_TABLES)
+
+#define AE_CODE_TBL_MAX                 0x0006
+
+
+/*
+ * AML exceptions.  These are caused by problems with
+ * the actual AML byte stream
+ */
+#define AE_AML_ERROR                    (ACPI_STATUS) (0x0001 | AE_CODE_AML)
+#define AE_AML_PARSE                    (ACPI_STATUS) (0x0002 | AE_CODE_AML)
+#define AE_AML_BAD_OPCODE               (ACPI_STATUS) (0x0003 | AE_CODE_AML)
+#define AE_AML_NO_OPERAND               (ACPI_STATUS) (0x0004 | AE_CODE_AML)
+#define AE_AML_OPERAND_TYPE             (ACPI_STATUS) (0x0005 | AE_CODE_AML)
+#define AE_AML_OPERAND_VALUE            (ACPI_STATUS) (0x0006 | AE_CODE_AML)
+#define AE_AML_UNINITIALIZED_LOCAL      (ACPI_STATUS) (0x0007 | AE_CODE_AML)
+#define AE_AML_UNINITIALIZED_ARG        (ACPI_STATUS) (0x0008 | AE_CODE_AML)
+#define AE_AML_UNINITIALIZED_ELEMENT    (ACPI_STATUS) (0x0009 | AE_CODE_AML)
+#define AE_AML_NUMERIC_OVERFLOW         (ACPI_STATUS) (0x000A | AE_CODE_AML)
+#define AE_AML_REGION_LIMIT             (ACPI_STATUS) (0x000B | AE_CODE_AML)
+#define AE_AML_BUFFER_LIMIT             (ACPI_STATUS) (0x000C | AE_CODE_AML)
+#define AE_AML_PACKAGE_LIMIT            (ACPI_STATUS) (0x000D | AE_CODE_AML)
+#define AE_AML_DIVIDE_BY_ZERO           (ACPI_STATUS) (0x000E | AE_CODE_AML)
+#define AE_AML_BAD_NAME                 (ACPI_STATUS) (0x000F | AE_CODE_AML)
+#define AE_AML_NAME_NOT_FOUND           (ACPI_STATUS) (0x0010 | AE_CODE_AML)
+#define AE_AML_INTERNAL                 (ACPI_STATUS) (0x0011 | AE_CODE_AML)
+#define AE_AML_INVALID_SPACE_ID         (ACPI_STATUS) (0x0012 | AE_CODE_AML)
+#define AE_AML_STRING_LIMIT             (ACPI_STATUS) (0x0013 | AE_CODE_AML)
+#define AE_AML_NO_RETURN_VALUE          (ACPI_STATUS) (0x0014 | AE_CODE_AML)
+#define AE_AML_METHOD_LIMIT             (ACPI_STATUS) (0x0015 | AE_CODE_AML)
+#define AE_AML_NOT_OWNER                (ACPI_STATUS) (0x0016 | AE_CODE_AML)
+#define AE_AML_MUTEX_ORDER              (ACPI_STATUS) (0x0017 | AE_CODE_AML)
+#define AE_AML_MUTEX_NOT_ACQUIRED       (ACPI_STATUS) (0x0018 | AE_CODE_AML)
+#define AE_AML_INVALID_RESOURCE_TYPE    (ACPI_STATUS) (0x0019 | AE_CODE_AML)
+#define AE_AML_INVALID_INDEX            (ACPI_STATUS) (0x001A | AE_CODE_AML)
+#define AE_AML_REGISTER_LIMIT           (ACPI_STATUS) (0x001B | AE_CODE_AML)
+#define AE_AML_NO_WHILE                 (ACPI_STATUS) (0x001C | AE_CODE_AML)
+#define AE_AML_ALIGNMENT                (ACPI_STATUS) (0x001D | AE_CODE_AML)
+#define AE_AML_NO_RESOURCE_END_TAG      (ACPI_STATUS) (0x001E | AE_CODE_AML)
+#define AE_AML_BAD_RESOURCE_VALUE       (ACPI_STATUS) (0x001F | AE_CODE_AML)
+#define AE_AML_CIRCULAR_REFERENCE       (ACPI_STATUS) (0x0020 | AE_CODE_AML)
+
+#define AE_CODE_AML_MAX                 0x0020
+
+/*
+ * Internal exceptions used for control
+ */
+#define AE_CTRL_RETURN_VALUE            (ACPI_STATUS) (0x0001 | AE_CODE_CONTROL)
+#define AE_CTRL_PENDING                 (ACPI_STATUS) (0x0002 | AE_CODE_CONTROL)
+#define AE_CTRL_TERMINATE               (ACPI_STATUS) (0x0003 | AE_CODE_CONTROL)
+#define AE_CTRL_TRUE                    (ACPI_STATUS) (0x0004 | AE_CODE_CONTROL)
+#define AE_CTRL_FALSE                   (ACPI_STATUS) (0x0005 | AE_CODE_CONTROL)
+#define AE_CTRL_DEPTH                   (ACPI_STATUS) (0x0006 | AE_CODE_CONTROL)
+#define AE_CTRL_END                     (ACPI_STATUS) (0x0007 | AE_CODE_CONTROL)
+#define AE_CTRL_TRANSFER                (ACPI_STATUS) (0x0008 | AE_CODE_CONTROL)
+#define AE_CTRL_BREAK                   (ACPI_STATUS) (0x0009 | AE_CODE_CONTROL)
+#define AE_CTRL_CONTINUE                (ACPI_STATUS) (0x000A | AE_CODE_CONTROL)
+#define AE_CTRL_SKIP                    (ACPI_STATUS) (0x000B | AE_CODE_CONTROL)
+
+#define AE_CODE_CTRL_MAX                0x000B
+
+
+#ifdef DEFINE_ACPI_GLOBALS
+
+/*
+ * String versions of the exception codes above
+ * These strings must match the corresponding defines exactly
+ */
+NATIVE_CHAR const   *AcpiGbl_ExceptionNames_Env[] =
+{
+    "AE_OK",
+    "AE_ERROR",
+    "AE_NO_ACPI_TABLES",
+    "AE_NO_NAMESPACE",
+    "AE_NO_MEMORY",
+    "AE_NOT_FOUND",
+    "AE_NOT_EXIST",
+    "AE_ALREADY_EXISTS",
+    "AE_TYPE",
+    "AE_NULL_OBJECT",
+    "AE_NULL_ENTRY",
+    "AE_BUFFER_OVERFLOW",
+    "AE_STACK_OVERFLOW",
+    "AE_STACK_UNDERFLOW",
+    "AE_NOT_IMPLEMENTED",
+    "AE_VERSION_MISMATCH",
+    "AE_SUPPORT",
+    "AE_SHARE",
+    "AE_LIMIT",
+    "AE_TIME",
+    "AE_UNKNOWN_STATUS",
+    "AE_ACQUIRE_DEADLOCK",
+    "AE_RELEASE_DEADLOCK",
+    "AE_NOT_ACQUIRED",
+    "AE_ALREADY_ACQUIRED",
+    "AE_NO_HARDWARE_RESPONSE",
+    "AE_NO_GLOBAL_LOCK",
+    "AE_LOGICAL_ADDRESS"
+};
+
+NATIVE_CHAR const   *AcpiGbl_ExceptionNames_Pgm[] =
+{
+    "AE_BAD_PARAMETER",
+    "AE_BAD_CHARACTER",
+    "AE_BAD_PATHNAME",
+    "AE_BAD_DATA",
+    "AE_BAD_ADDRESS",
+    "AE_ALIGNMENT",
+    "AE_BAD_HEX_CONSTANT",
+    "AE_BAD_OCTAL_CONSTANT",
+    "AE_BAD_DECIMAL_CONSTANT"
+};
+
+NATIVE_CHAR const   *AcpiGbl_ExceptionNames_Tbl[] =
+{
+    "AE_BAD_SIGNATURE",
+    "AE_BAD_HEADER",
+    "AE_BAD_CHECKSUM",
+    "AE_BAD_VALUE",
+    "AE_TABLE_NOT_SUPPORTED",
+    "AE_INVALID_TABLE_LENGTH"
+};
+
+NATIVE_CHAR const   *AcpiGbl_ExceptionNames_Aml[] =
+{
+    "AE_AML_ERROR",
+    "AE_AML_PARSE",
+    "AE_AML_BAD_OPCODE",
+    "AE_AML_NO_OPERAND",
+    "AE_AML_OPERAND_TYPE",
+    "AE_AML_OPERAND_VALUE",
+    "AE_AML_UNINITIALIZED_LOCAL",
+    "AE_AML_UNINITIALIZED_ARG",
+    "AE_AML_UNINITIALIZED_ELEMENT",
+    "AE_AML_NUMERIC_OVERFLOW",
+    "AE_AML_REGION_LIMIT",
+    "AE_AML_BUFFER_LIMIT",
+    "AE_AML_PACKAGE_LIMIT",
+    "AE_AML_DIVIDE_BY_ZERO",
+    "AE_AML_BAD_NAME",
+    "AE_AML_NAME_NOT_FOUND",
+    "AE_AML_INTERNAL",
+    "AE_AML_INVALID_SPACE_ID",
+    "AE_AML_STRING_LIMIT",
+    "AE_AML_NO_RETURN_VALUE",
+    "AE_AML_METHOD_LIMIT",
+    "AE_AML_NOT_OWNER",
+    "AE_AML_MUTEX_ORDER",
+    "AE_AML_MUTEX_NOT_ACQUIRED",
+    "AE_AML_INVALID_RESOURCE_TYPE",
+    "AE_AML_INVALID_INDEX",
+    "AE_AML_REGISTER_LIMIT",
+    "AE_AML_NO_WHILE",
+    "AE_AML_ALIGNMENT",
+    "AE_AML_NO_RESOURCE_END_TAG",
+    "AE_AML_BAD_RESOURCE_VALUE",
+    "AE_AML_CIRCULAR_REFERENCE"
+};
+
+NATIVE_CHAR const   *AcpiGbl_ExceptionNames_Ctrl[] =
+{
+    "AE_CTRL_RETURN_VALUE",
+    "AE_CTRL_PENDING",
+    "AE_CTRL_TERMINATE",
+    "AE_CTRL_TRUE",
+    "AE_CTRL_FALSE",
+    "AE_CTRL_DEPTH",
+    "AE_CTRL_END",
+    "AE_CTRL_TRANSFER",
+    "AE_CTRL_BREAK",
+    "AE_CTRL_CONTINUE",
+    "AE_CTRL_SKIP"
+};
+
+#endif /* ACPI GLOBALS */
+
+
+#endif /* __ACEXCEP_H__ */
diff --git a/sys/contrib/dev/acpica/acfreebsd.h b/sys/contrib/dev/acpica/acfreebsd.h
new file mode 100644
index 0000000..e786c16
--- /dev/null
+++ b/sys/contrib/dev/acpica/acfreebsd.h
@@ -0,0 +1,205 @@
+/******************************************************************************
+ *
+ * Name: acfreebsd.h - OS specific defines, etc.
+ *       $Revision: 10 $
+ *
+ *****************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+#ifndef __ACFREEBSD_H__
+#define __ACFREEBSD_H__
+
+/*
+ * XXX this is technically correct, but will cause problems with some ASL
+ *     which only works if the string names a Microsoft operating system.
+ */
+#define ACPI_OS_NAME                "FreeBSD"
+
+/* FreeBSD uses GCC */
+
+#include "acgcc.h"
+#include <machine/acpica_machdep.h>
+
+#ifdef _KERNEL
+#include "opt_acpi.h"
+#endif
+
+#ifdef ACPI_DEBUG
+#define ACPI_DEBUG_OUTPUT	/* for backward compatibility */
+#endif
+
+#ifdef _KERNEL
+#include <sys/ctype.h>
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/libkern.h>
+#include <machine/stdarg.h>
+
+#ifdef DEBUGGER_THREADING
+#undef DEBUGGER_THREADING
+#endif /* DEBUGGER_THREADING */
+#define DEBUGGER_THREADING 0    /* integrated with DDB */
+#ifdef ACPI_DEBUG_OUTPUT
+#include "opt_ddb.h"
+#ifdef DDB
+#define ACPI_DEBUGGER
+#endif /* DDB */
+#endif /* ACPI_DEBUG_OUTPUT */
+
+#else /* _KERNEL */
+
+/* Not building kernel code, so use libc */
+#define ACPI_USE_STANDARD_HEADERS
+
+#define __cli()
+#define __sti()
+#define ACPI_FLUSH_CPU_CACHE()
+
+#endif /* _KERNEL */
+
+/* Always use FreeBSD code over our local versions */
+#define ACPI_USE_SYSTEM_CLIBRARY
+
+/* FreeBSD doesn't have strupr, should be fixed. (move to libkern) */
+static __inline char *
+strupr(char *str)
+{
+    char *c = str;
+    while(*c) {
+    *c = toupper(*c);
+    c++;
+    }
+    return(str);
+}
+
+#ifdef _KERNEL
+/* Or strstr (used in debugging mode, also move to libkern) */
+static __inline char *
+strstr(char *s, char *find)
+{
+    char c, sc;
+    size_t len;
+
+    if ((c = *find++) != 0) {
+    len = strlen(find);
+    do {
+        do {
+        if ((sc = *s++) == 0)
+            return (NULL);
+        } while (sc != c);
+    } while (strncmp(s, find, len) != 0);
+    s--;
+    }
+    return ((char *)s);
+}
+#endif /* _KERNEL */
+
+#endif /* __ACFREEBSD_H__ */
diff --git a/sys/contrib/dev/acpica/acgcc.h b/sys/contrib/dev/acpica/acgcc.h
new file mode 100644
index 0000000..90ead14
--- /dev/null
+++ b/sys/contrib/dev/acpica/acgcc.h
@@ -0,0 +1,125 @@
+/******************************************************************************
+ *
+ * Name: acgcc.h - GCC specific defines, etc.
+ *       $Revision: 23 $
+ *
+ *****************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+#ifndef __ACGCC_H__
+#define __ACGCC_H__
+
+/* This macro is used to tag functions as "printf-like" because
+ * some compilers (like GCC) can catch printf format string problems.
+ */
+#define ACPI_PRINTF_LIKE_FUNC __attribute__ ((__format__ (__printf__, 4, 5)))
+
+#endif /* __ACGCC_H__ */
diff --git a/sys/contrib/dev/acpica/acglobal.h b/sys/contrib/dev/acpica/acglobal.h
new file mode 100644
index 0000000..0153dfa
--- /dev/null
+++ b/sys/contrib/dev/acpica/acglobal.h
@@ -0,0 +1,389 @@
+/******************************************************************************
+ *
+ * Name: acglobal.h - Declarations for global variables
+ *       $Revision: 132 $
+ *
+ *****************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+#ifndef __ACGLOBAL_H__
+#define __ACGLOBAL_H__
+
+
+/*
+ * Ensure that the globals are actually defined only once.
+ *
+ * The use of these defines allows a single list of globals (here) in order
+ * to simplify maintenance of the code.
+ */
+#ifdef DEFINE_ACPI_GLOBALS
+#define ACPI_EXTERN
+#else
+#define ACPI_EXTERN extern
+#endif
+
+
+/*****************************************************************************
+ *
+ * Debug support
+ *
+ ****************************************************************************/
+
+/* Runtime configuration of debug print levels */
+
+extern      UINT32                      AcpiDbgLevel;
+extern      UINT32                      AcpiDbgLayer;
+
+/* Procedure nesting level for debug output */
+
+extern      UINT32                      AcpiGbl_NestingLevel;
+
+
+/*****************************************************************************
+ *
+ * ACPI Table globals
+ *
+ ****************************************************************************/
+
+/*
+ * Table pointers.
+ * Although these pointers are somewhat redundant with the global AcpiTable,
+ * they are convenient because they are typed pointers.
+ *
+ * These tables are single-table only; meaning that there can be at most one
+ * of each in the system.  Each global points to the actual table.
+ *
+ */
+ACPI_EXTERN UINT32                      AcpiGbl_TableFlags;
+ACPI_EXTERN UINT32                      AcpiGbl_RsdtTableCount;
+ACPI_EXTERN RSDP_DESCRIPTOR            *AcpiGbl_RSDP;
+ACPI_EXTERN XSDT_DESCRIPTOR            *AcpiGbl_XSDT;
+ACPI_EXTERN FADT_DESCRIPTOR            *AcpiGbl_FADT;
+ACPI_EXTERN ACPI_TABLE_HEADER          *AcpiGbl_DSDT;
+ACPI_EXTERN FACS_DESCRIPTOR            *AcpiGbl_FACS;
+ACPI_EXTERN ACPI_COMMON_FACS            AcpiGbl_CommonFACS;
+
+/*
+ * Handle both ACPI 1.0 and ACPI 2.0 Integer widths
+ * If we are running a method that exists in a 32-bit ACPI table.
+ * Use only 32 bits of the Integer for conversion.
+ */
+ACPI_EXTERN UINT8                       AcpiGbl_IntegerBitWidth;
+ACPI_EXTERN UINT8                       AcpiGbl_IntegerByteWidth;
+
+/*
+ * Since there may be multiple SSDTs and PSDTS, a single pointer is not
+ * sufficient; Therefore, there isn't one!
+ */
+
+
+/*
+ * ACPI Table info arrays
+ */
+extern      ACPI_TABLE_DESC             AcpiGbl_AcpiTables[NUM_ACPI_TABLES];
+extern      ACPI_TABLE_SUPPORT          AcpiGbl_AcpiTableData[NUM_ACPI_TABLES];
+
+/*
+ * Predefined mutex objects.  This array contains the
+ * actual OS mutex handles, indexed by the local ACPI_MUTEX_HANDLEs.
+ * (The table maps local handles to the real OS handles)
+ */
+ACPI_EXTERN ACPI_MUTEX_INFO             AcpiGbl_AcpiMutexInfo [NUM_MTX];
+
+
+/*****************************************************************************
+ *
+ * Miscellaneous globals
+ *
+ ****************************************************************************/
+
+
+ACPI_EXTERN ACPI_MEMORY_LIST            AcpiGbl_MemoryLists[ACPI_NUM_MEM_LISTS];
+ACPI_EXTERN ACPI_OBJECT_NOTIFY_HANDLER  AcpiGbl_DrvNotify;
+ACPI_EXTERN ACPI_OBJECT_NOTIFY_HANDLER  AcpiGbl_SysNotify;
+ACPI_EXTERN ACPI_INIT_HANDLER           AcpiGbl_InitHandler;
+ACPI_EXTERN ACPI_WALK_STATE            *AcpiGbl_BreakpointWalk;
+ACPI_EXTERN ACPI_HANDLE                 AcpiGbl_GlobalLockSemaphore;
+
+ACPI_EXTERN UINT32                      AcpiGbl_GlobalLockThreadCount;
+ACPI_EXTERN UINT32                      AcpiGbl_OriginalMode;
+ACPI_EXTERN UINT32                      AcpiGbl_RsdpOriginalLocation;
+ACPI_EXTERN UINT32                      AcpiGbl_NsLookupCount;
+ACPI_EXTERN UINT32                      AcpiGbl_PsFindCount;
+ACPI_EXTERN UINT16                      AcpiGbl_Pm1EnableRegisterSave;
+ACPI_EXTERN UINT16                      AcpiGbl_NextTableOwnerId;
+ACPI_EXTERN UINT16                      AcpiGbl_NextMethodOwnerId;
+ACPI_EXTERN UINT16                      AcpiGbl_GlobalLockHandle;
+ACPI_EXTERN UINT8                       AcpiGbl_DebuggerConfiguration;
+ACPI_EXTERN BOOLEAN                     AcpiGbl_GlobalLockAcquired;
+ACPI_EXTERN BOOLEAN                     AcpiGbl_StepToNextCall;
+ACPI_EXTERN BOOLEAN                     AcpiGbl_AcpiHardwarePresent;
+ACPI_EXTERN BOOLEAN                     AcpiGbl_GlobalLockPresent;
+ACPI_EXTERN BOOLEAN                     AcpiGbl_EventsInitialized;
+
+extern BOOLEAN                          AcpiGbl_Shutdown;
+extern UINT32                           AcpiGbl_StartupFlags;
+extern const UINT8                      AcpiGbl_DecodeTo8bit[8];
+extern const NATIVE_CHAR               *AcpiGbl_DbSleepStates[ACPI_NUM_SLEEP_STATES];
+extern const ACPI_OPCODE_INFO           AcpiGbl_AmlOpInfo[AML_NUM_OPCODES];
+extern const NATIVE_CHAR               *AcpiGbl_RegionTypes[ACPI_NUM_PREDEFINED_REGIONS];
+
+
+/*****************************************************************************
+ *
+ * Namespace globals
+ *
+ ****************************************************************************/
+
+#define NUM_NS_TYPES                    ACPI_TYPE_INVALID+1
+
+#if defined (ACPI_NO_METHOD_EXECUTION) || defined (ACPI_CONSTANT_EVAL_ONLY)
+#define NUM_PREDEFINED_NAMES            10
+#else
+#define NUM_PREDEFINED_NAMES            9
+#endif
+
+ACPI_EXTERN ACPI_NAMESPACE_NODE         AcpiGbl_RootNodeStruct;
+ACPI_EXTERN ACPI_NAMESPACE_NODE        *AcpiGbl_RootNode;
+
+extern const UINT8                      AcpiGbl_NsProperties[NUM_NS_TYPES];
+extern const ACPI_PREDEFINED_NAMES      AcpiGbl_PreDefinedNames [NUM_PREDEFINED_NAMES];
+
+#ifdef ACPI_DEBUG_OUTPUT
+ACPI_EXTERN UINT32                      AcpiGbl_CurrentNodeCount;
+ACPI_EXTERN UINT32                      AcpiGbl_CurrentNodeSize;
+ACPI_EXTERN UINT32                      AcpiGbl_MaxConcurrentNodeCount;
+ACPI_EXTERN ACPI_SIZE                   AcpiGbl_EntryStackPointer;
+ACPI_EXTERN ACPI_SIZE                   AcpiGbl_LowestStackPointer;
+ACPI_EXTERN UINT32                      AcpiGbl_DeepestNesting;
+#endif
+
+/*****************************************************************************
+ *
+ * Interpreter globals
+ *
+ ****************************************************************************/
+
+
+ACPI_EXTERN ACPI_THREAD_STATE           *AcpiGbl_CurrentWalkList;
+
+/* Control method single step flag */
+
+ACPI_EXTERN UINT8                       AcpiGbl_CmSingleStep;
+
+
+/*****************************************************************************
+ *
+ * Parser globals
+ *
+ ****************************************************************************/
+
+ACPI_EXTERN ACPI_PARSE_OBJECT           *AcpiGbl_ParsedNamespaceRoot;
+
+/*****************************************************************************
+ *
+ * Hardware globals
+ *
+ ****************************************************************************/
+
+extern      ACPI_BIT_REGISTER_INFO      AcpiGbl_BitRegisterInfo[ACPI_NUM_BITREG];
+ACPI_EXTERN UINT8                       AcpiGbl_SleepTypeA;
+ACPI_EXTERN UINT8                       AcpiGbl_SleepTypeB;
+
+
+/*****************************************************************************
+ *
+ * Event and GPE globals
+ *
+ ****************************************************************************/
+
+extern      ACPI_FIXED_EVENT_INFO       AcpiGbl_FixedEventInfo[ACPI_NUM_FIXED_EVENTS];
+ACPI_EXTERN ACPI_FIXED_EVENT_HANDLER    AcpiGbl_FixedEventHandlers[ACPI_NUM_FIXED_EVENTS];
+
+ACPI_EXTERN ACPI_HANDLE                 AcpiGbl_GpeObjHandle;
+ACPI_EXTERN UINT32                      AcpiGbl_GpeRegisterCount;
+ACPI_EXTERN UINT32                      AcpiGbl_GpeNumberMax;
+ACPI_EXTERN ACPI_GPE_REGISTER_INFO     *AcpiGbl_GpeRegisterInfo;
+ACPI_EXTERN ACPI_GPE_NUMBER_INFO       *AcpiGbl_GpeNumberInfo;
+ACPI_EXTERN ACPI_GPE_BLOCK_INFO         AcpiGbl_GpeBlockInfo[ACPI_MAX_GPE_BLOCKS];
+
+/*
+ * GPE translation table
+ * Indexed by the GPE number, returns a valid index into the global GPE tables.
+ *
+ * This table is needed because the GPE numbers supported by block 1 do not
+ * have to be contiguous with the GPE numbers supported by block 0.
+ */
+ACPI_EXTERN ACPI_GPE_INDEX_INFO        *AcpiGbl_GpeNumberToIndex;
+
+
+/*****************************************************************************
+ *
+ * Debugger globals
+ *
+ ****************************************************************************/
+
+
+ACPI_EXTERN UINT8                       AcpiGbl_DbOutputFlags;
+
+#ifdef ACPI_DISASSEMBLER
+
+ACPI_EXTERN BOOLEAN                     AcpiGbl_DbOpt_disasm;
+ACPI_EXTERN BOOLEAN                     AcpiGbl_DbOpt_verbose;
+#endif
+
+
+#ifdef ACPI_DEBUGGER
+
+extern      BOOLEAN                     AcpiGbl_MethodExecuting;
+extern      BOOLEAN                     AcpiGbl_DbTerminateThreads;
+
+ACPI_EXTERN int                         optind;
+ACPI_EXTERN NATIVE_CHAR                *optarg;
+
+ACPI_EXTERN BOOLEAN                     AcpiGbl_DbOpt_tables;
+ACPI_EXTERN BOOLEAN                     AcpiGbl_DbOpt_stats;
+ACPI_EXTERN BOOLEAN                     AcpiGbl_DbOpt_ini_methods;
+
+
+ACPI_EXTERN NATIVE_CHAR                *AcpiGbl_DbArgs[ACPI_DEBUGGER_MAX_ARGS];
+ACPI_EXTERN NATIVE_CHAR                 AcpiGbl_DbLineBuf[80];
+ACPI_EXTERN NATIVE_CHAR                 AcpiGbl_DbParsedBuf[80];
+ACPI_EXTERN NATIVE_CHAR                 AcpiGbl_DbScopeBuf[40];
+ACPI_EXTERN NATIVE_CHAR                 AcpiGbl_DbDebugFilename[40];
+ACPI_EXTERN BOOLEAN                     AcpiGbl_DbOutputToFile;
+ACPI_EXTERN NATIVE_CHAR                *AcpiGbl_DbBuffer;
+ACPI_EXTERN NATIVE_CHAR                *AcpiGbl_DbFilename;
+ACPI_EXTERN UINT32                      AcpiGbl_DbDebugLevel;
+ACPI_EXTERN UINT32                      AcpiGbl_DbConsoleDebugLevel;
+ACPI_EXTERN ACPI_TABLE_HEADER          *AcpiGbl_DbTablePtr;
+ACPI_EXTERN ACPI_NAMESPACE_NODE        *AcpiGbl_DbScopeNode;
+
+/*
+ * Statistic globals
+ */
+ACPI_EXTERN UINT16                      AcpiGbl_ObjTypeCount[ACPI_TYPE_NS_NODE_MAX+1];
+ACPI_EXTERN UINT16                      AcpiGbl_NodeTypeCount[ACPI_TYPE_NS_NODE_MAX+1];
+ACPI_EXTERN UINT16                      AcpiGbl_ObjTypeCountMisc;
+ACPI_EXTERN UINT16                      AcpiGbl_NodeTypeCountMisc;
+ACPI_EXTERN UINT32                      AcpiGbl_NumNodes;
+ACPI_EXTERN UINT32                      AcpiGbl_NumObjects;
+
+
+ACPI_EXTERN UINT32                      AcpiGbl_SizeOfParseTree;
+ACPI_EXTERN UINT32                      AcpiGbl_SizeOfMethodTrees;
+ACPI_EXTERN UINT32                      AcpiGbl_SizeOfNodeEntries;
+ACPI_EXTERN UINT32                      AcpiGbl_SizeOfAcpiObjects;
+
+#endif /* ACPI_DEBUGGER */
+
+
+#endif /* __ACGLOBAL_H__ */
diff --git a/sys/contrib/dev/acpica/achware.h b/sys/contrib/dev/acpica/achware.h
new file mode 100644
index 0000000..4411ea2
--- /dev/null
+++ b/sys/contrib/dev/acpica/achware.h
@@ -0,0 +1,246 @@
+/******************************************************************************
+ *
+ * Name: achware.h -- hardware specific interfaces
+ *       $Revision: 60 $
+ *
+ *****************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+#ifndef __ACHWARE_H__
+#define __ACHWARE_H__
+
+
+/* PM Timer ticks per second (HZ) */
+#define PM_TIMER_FREQUENCY  3579545
+
+
+/* Prototypes */
+
+
+ACPI_STATUS
+AcpiHwInitialize (
+    void);
+
+ACPI_STATUS
+AcpiHwShutdown (
+    void);
+
+ACPI_STATUS
+AcpiHwInitializeSystemInfo (
+    void);
+
+ACPI_STATUS
+AcpiHwSetMode (
+    UINT32                  Mode);
+
+UINT32
+AcpiHwGetMode (
+    void);
+
+UINT32
+AcpiHwGetModeCapabilities (
+    void);
+
+/* Register I/O Prototypes */
+
+ACPI_BIT_REGISTER_INFO *
+AcpiHwGetBitRegisterInfo (
+    UINT32                  RegisterId);
+
+ACPI_STATUS
+AcpiHwRegisterRead (
+    BOOLEAN                 UseLock,
+    UINT32                  RegisterId,
+    UINT32                  *ReturnValue);
+
+ACPI_STATUS
+AcpiHwRegisterWrite (
+    BOOLEAN                 UseLock,
+    UINT32                  RegisterId,
+    UINT32                  Value);
+
+ACPI_STATUS
+AcpiHwLowLevelRead (
+    UINT32                  Width,
+    UINT32                  *Value,
+    ACPI_GENERIC_ADDRESS    *Reg,
+    UINT32                  Offset);
+
+ACPI_STATUS
+AcpiHwLowLevelWrite (
+    UINT32                  Width,
+    UINT32                  Value,
+    ACPI_GENERIC_ADDRESS    *Reg,
+    UINT32                  Offset);
+
+ACPI_STATUS
+AcpiHwClearAcpiStatus (
+   void);
+
+
+/* GPE support */
+
+UINT8
+AcpiHwGetGpeBitMask (
+    UINT32                  GpeNumber);
+
+ACPI_STATUS
+AcpiHwEnableGpe (
+    UINT32                  GpeNumber);
+
+void
+AcpiHwEnableGpeForWakeup (
+    UINT32                  GpeNumber);
+
+ACPI_STATUS
+AcpiHwDisableGpe (
+    UINT32                  GpeNumber);
+
+void
+AcpiHwDisableGpeForWakeup (
+    UINT32                  GpeNumber);
+
+ACPI_STATUS
+AcpiHwClearGpe (
+    UINT32                  GpeNumber);
+
+ACPI_STATUS
+AcpiHwGetGpeStatus (
+    UINT32                  GpeNumber,
+    ACPI_EVENT_STATUS       *EventStatus);
+
+ACPI_STATUS
+AcpiHwDisableNonWakeupGpes (
+    void);
+
+ACPI_STATUS
+AcpiHwEnableNonWakeupGpes (
+    void);
+
+
+/* ACPI Timer prototypes */
+
+ACPI_STATUS
+AcpiGetTimerResolution (
+    UINT32                  *Resolution);
+
+ACPI_STATUS
+AcpiGetTimer (
+    UINT32                  *Ticks);
+
+ACPI_STATUS
+AcpiGetTimerDuration (
+    UINT32                  StartTicks,
+    UINT32                  EndTicks,
+    UINT32                  *TimeElapsed);
+
+
+#endif /* __ACHWARE_H__ */
diff --git a/sys/contrib/dev/acpica/acinterp.h b/sys/contrib/dev/acpica/acinterp.h
new file mode 100644
index 0000000..be9c087
--- /dev/null
+++ b/sys/contrib/dev/acpica/acinterp.h
@@ -0,0 +1,808 @@
+/******************************************************************************
+ *
+ * Name: acinterp.h - Interpreter subcomponent prototypes and defines
+ *       $Revision: 142 $
+ *
+ *****************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+#ifndef __ACINTERP_H__
+#define __ACINTERP_H__
+
+
+#define ACPI_WALK_OPERANDS       (&(WalkState->Operands [WalkState->NumOperands -1]))
+
+
+ACPI_STATUS
+AcpiExResolveOperands (
+    UINT16                  Opcode,
+    ACPI_OPERAND_OBJECT     **StackPtr,
+    ACPI_WALK_STATE         *WalkState);
+
+ACPI_STATUS
+AcpiExCheckObjectType (
+    ACPI_OBJECT_TYPE        TypeNeeded,
+    ACPI_OBJECT_TYPE        ThisType,
+    void                    *Object);
+
+/*
+ * exxface - External interpreter interfaces
+ */
+
+ACPI_STATUS
+AcpiExLoadTable (
+    ACPI_TABLE_TYPE         TableId);
+
+ACPI_STATUS
+AcpiExExecuteMethod (
+    ACPI_NAMESPACE_NODE     *MethodNode,
+    ACPI_OPERAND_OBJECT     **Params,
+    ACPI_OPERAND_OBJECT     **ReturnObjDesc);
+
+
+/*
+ * exconvrt - object conversion
+ */
+
+ACPI_STATUS
+AcpiExConvertToInteger (
+    ACPI_OPERAND_OBJECT     *ObjDesc,
+    ACPI_OPERAND_OBJECT     **ResultDesc,
+    ACPI_WALK_STATE         *WalkState);
+
+ACPI_STATUS
+AcpiExConvertToBuffer (
+    ACPI_OPERAND_OBJECT     *ObjDesc,
+    ACPI_OPERAND_OBJECT     **ResultDesc,
+    ACPI_WALK_STATE         *WalkState);
+
+ACPI_STATUS
+AcpiExConvertToString (
+    ACPI_OPERAND_OBJECT     *ObjDesc,
+    ACPI_OPERAND_OBJECT     **ResultDesc,
+    UINT32                  Base,
+    UINT32                  MaxLength,
+    ACPI_WALK_STATE         *WalkState);
+
+ACPI_STATUS
+AcpiExConvertToTargetType (
+    ACPI_OBJECT_TYPE        DestinationType,
+    ACPI_OPERAND_OBJECT     *SourceDesc,
+    ACPI_OPERAND_OBJECT     **ResultDesc,
+    ACPI_WALK_STATE         *WalkState);
+
+UINT32
+AcpiExConvertToAscii (
+    ACPI_INTEGER            Integer,
+    UINT32                  Base,
+    UINT8                   *String);
+
+/*
+ * exfield - ACPI AML (p-code) execution - field manipulation
+ */
+
+ACPI_STATUS
+AcpiExExtractFromField (
+    ACPI_OPERAND_OBJECT     *ObjDesc,
+    void                    *Buffer,
+    UINT32                  BufferLength);
+
+ACPI_STATUS
+AcpiExInsertIntoField (
+    ACPI_OPERAND_OBJECT     *ObjDesc,
+    void                    *Buffer,
+    UINT32                  BufferLength);
+
+ACPI_STATUS
+AcpiExSetupRegion (
+    ACPI_OPERAND_OBJECT     *ObjDesc,
+    UINT32                  FieldDatumByteOffset);
+
+ACPI_STATUS
+AcpiExAccessRegion (
+    ACPI_OPERAND_OBJECT     *ObjDesc,
+    UINT32                  FieldDatumByteOffset,
+    ACPI_INTEGER            *Value,
+    UINT32                  ReadWrite);
+
+BOOLEAN
+AcpiExRegisterOverflow (
+    ACPI_OPERAND_OBJECT     *ObjDesc,
+    ACPI_INTEGER            Value);
+
+ACPI_STATUS
+AcpiExFieldDatumIo (
+    ACPI_OPERAND_OBJECT     *ObjDesc,
+    UINT32                  FieldDatumByteOffset,
+    ACPI_INTEGER            *Value,
+    UINT32                  ReadWrite);
+
+ACPI_STATUS
+AcpiExWriteWithUpdateRule (
+    ACPI_OPERAND_OBJECT     *ObjDesc,
+    ACPI_INTEGER            Mask,
+    ACPI_INTEGER            FieldValue,
+    UINT32                  FieldDatumByteOffset);
+
+void
+AcpiExGetBufferDatum(
+    ACPI_INTEGER            *Datum,
+    void                    *Buffer,
+    UINT32                  ByteGranularity,
+    UINT32                  Offset);
+
+void
+AcpiExSetBufferDatum (
+    ACPI_INTEGER            MergedDatum,
+    void                    *Buffer,
+    UINT32                  ByteGranularity,
+    UINT32                  Offset);
+
+ACPI_STATUS
+AcpiExReadDataFromField (
+    ACPI_WALK_STATE         *WalkState,
+    ACPI_OPERAND_OBJECT     *ObjDesc,
+    ACPI_OPERAND_OBJECT     **RetBufferDesc);
+
+ACPI_STATUS
+AcpiExWriteDataToField (
+    ACPI_OPERAND_OBJECT     *SourceDesc,
+    ACPI_OPERAND_OBJECT     *ObjDesc,
+    ACPI_OPERAND_OBJECT     **ResultDesc);
+
+/*
+ * exmisc - ACPI AML (p-code) execution - specific opcodes
+ */
+
+ACPI_STATUS
+AcpiExOpcode_3A_0T_0R (
+    ACPI_WALK_STATE         *WalkState);
+
+ACPI_STATUS
+AcpiExOpcode_3A_1T_1R (
+    ACPI_WALK_STATE         *WalkState);
+
+ACPI_STATUS
+AcpiExOpcode_6A_0T_1R (
+    ACPI_WALK_STATE         *WalkState);
+
+BOOLEAN
+AcpiExDoMatch (
+    UINT32                  MatchOp,
+    ACPI_INTEGER            PackageValue,
+    ACPI_INTEGER            MatchValue);
+
+ACPI_STATUS
+AcpiExGetObjectReference (
+    ACPI_OPERAND_OBJECT     *ObjDesc,
+    ACPI_OPERAND_OBJECT     **ReturnDesc,
+    ACPI_WALK_STATE         *WalkState);
+
+ACPI_STATUS
+AcpiExResolveMultiple (
+    ACPI_WALK_STATE         *WalkState,
+    ACPI_OPERAND_OBJECT     *Operand,
+    ACPI_OBJECT_TYPE        *ReturnType,
+    ACPI_OPERAND_OBJECT     **ReturnDesc);
+
+ACPI_STATUS
+AcpiExConcatTemplate (
+    ACPI_OPERAND_OBJECT     *ObjDesc,
+    ACPI_OPERAND_OBJECT     *ObjDesc2,
+    ACPI_OPERAND_OBJECT     **ActualReturnDesc,
+    ACPI_WALK_STATE         *WalkState);
+
+ACPI_STATUS
+AcpiExDoConcatenate (
+    ACPI_OPERAND_OBJECT     *ObjDesc,
+    ACPI_OPERAND_OBJECT     *ObjDesc2,
+    ACPI_OPERAND_OBJECT     **ActualReturnDesc,
+    ACPI_WALK_STATE         *WalkState);
+
+BOOLEAN
+AcpiExDoLogicalOp (
+    UINT16                  Opcode,
+    ACPI_INTEGER            Operand0,
+    ACPI_INTEGER            Operand1);
+
+ACPI_INTEGER
+AcpiExDoMathOp (
+    UINT16                  Opcode,
+    ACPI_INTEGER            Operand0,
+    ACPI_INTEGER            Operand1);
+
+ACPI_STATUS
+AcpiExCreateMutex (
+    ACPI_WALK_STATE         *WalkState);
+
+ACPI_STATUS
+AcpiExCreateProcessor (
+    ACPI_WALK_STATE         *WalkState);
+
+ACPI_STATUS
+AcpiExCreatePowerResource (
+    ACPI_WALK_STATE         *WalkState);
+
+ACPI_STATUS
+AcpiExCreateRegion (
+    UINT8                   *AmlStart,
+    UINT32                  AmlLength,
+    UINT8                   RegionSpace,
+    ACPI_WALK_STATE         *WalkState);
+
+ACPI_STATUS
+AcpiExCreateTableRegion (
+    ACPI_WALK_STATE         *WalkState);
+
+ACPI_STATUS
+AcpiExCreateEvent (
+    ACPI_WALK_STATE         *WalkState);
+
+ACPI_STATUS
+AcpiExCreateAlias (
+    ACPI_WALK_STATE         *WalkState);
+
+ACPI_STATUS
+AcpiExCreateMethod (
+    UINT8                   *AmlStart,
+    UINT32                  AmlLength,
+    ACPI_WALK_STATE         *WalkState);
+
+
+/*
+ * exconfig - dynamic table load/unload
+ */
+
+ACPI_STATUS
+AcpiExAddTable (
+    ACPI_TABLE_HEADER       *Table,
+    ACPI_NAMESPACE_NODE     *ParentNode,
+    ACPI_OPERAND_OBJECT     **DdbHandle);
+
+ACPI_STATUS
+AcpiExLoadOp (
+    ACPI_OPERAND_OBJECT     *ObjDesc,
+    ACPI_OPERAND_OBJECT     *Target,
+    ACPI_WALK_STATE         *WalkState);
+
+ACPI_STATUS
+AcpiExLoadTableOp (
+    ACPI_WALK_STATE         *WalkState,
+    ACPI_OPERAND_OBJECT     **ReturnDesc);
+
+ACPI_STATUS
+AcpiExUnloadTable (
+    ACPI_OPERAND_OBJECT     *DdbHandle);
+
+
+/*
+ * exmutex - mutex support
+ */
+
+ACPI_STATUS
+AcpiExAcquireMutex (
+    ACPI_OPERAND_OBJECT     *TimeDesc,
+    ACPI_OPERAND_OBJECT     *ObjDesc,
+    ACPI_WALK_STATE         *WalkState);
+
+ACPI_STATUS
+AcpiExReleaseMutex (
+    ACPI_OPERAND_OBJECT     *ObjDesc,
+    ACPI_WALK_STATE         *WalkState);
+
+void
+AcpiExReleaseAllMutexes (
+    ACPI_THREAD_STATE       *Thread);
+
+void
+AcpiExUnlinkMutex (
+    ACPI_OPERAND_OBJECT     *ObjDesc);
+
+void
+AcpiExLinkMutex (
+    ACPI_OPERAND_OBJECT     *ObjDesc,
+    ACPI_THREAD_STATE       *Thread);
+
+/*
+ * exprep - ACPI AML (p-code) execution - prep utilities
+ */
+
+ACPI_STATUS
+AcpiExPrepCommonFieldObject (
+    ACPI_OPERAND_OBJECT     *ObjDesc,
+    UINT8                   FieldFlags,
+    UINT8                   FieldAttribute,
+    UINT32                  FieldBitPosition,
+    UINT32                  FieldBitLength);
+
+ACPI_STATUS
+AcpiExPrepFieldValue (
+    ACPI_CREATE_FIELD_INFO  *Info);
+
+/*
+ * exsystem - Interface to OS services
+ */
+
+ACPI_STATUS
+AcpiExSystemDoNotifyOp (
+    ACPI_OPERAND_OBJECT     *Value,
+    ACPI_OPERAND_OBJECT     *ObjDesc);
+
+ACPI_STATUS
+AcpiExSystemDoSuspend(
+    UINT32                  Time);
+
+ACPI_STATUS
+AcpiExSystemDoStall (
+    UINT32                  Time);
+
+ACPI_STATUS
+AcpiExSystemAcquireMutex(
+    ACPI_OPERAND_OBJECT     *Time,
+    ACPI_OPERAND_OBJECT     *ObjDesc);
+
+ACPI_STATUS
+AcpiExSystemReleaseMutex(
+    ACPI_OPERAND_OBJECT     *ObjDesc);
+
+ACPI_STATUS
+AcpiExSystemSignalEvent(
+    ACPI_OPERAND_OBJECT     *ObjDesc);
+
+ACPI_STATUS
+AcpiExSystemWaitEvent(
+    ACPI_OPERAND_OBJECT     *Time,
+    ACPI_OPERAND_OBJECT     *ObjDesc);
+
+ACPI_STATUS
+AcpiExSystemResetEvent(
+    ACPI_OPERAND_OBJECT     *ObjDesc);
+
+ACPI_STATUS
+AcpiExSystemWaitSemaphore (
+    ACPI_HANDLE             Semaphore,
+    UINT16                  Timeout);
+
+
+/*
+ * exmonadic - ACPI AML (p-code) execution, monadic operators
+ */
+
+ACPI_STATUS
+AcpiExOpcode_1A_0T_0R (
+    ACPI_WALK_STATE         *WalkState);
+
+ACPI_STATUS
+AcpiExOpcode_1A_0T_1R (
+    ACPI_WALK_STATE         *WalkState);
+
+ACPI_STATUS
+AcpiExOpcode_1A_1T_1R (
+    ACPI_WALK_STATE         *WalkState);
+
+ACPI_STATUS
+AcpiExOpcode_1A_1T_0R (
+    ACPI_WALK_STATE         *WalkState);
+
+/*
+ * exdyadic - ACPI AML (p-code) execution, dyadic operators
+ */
+
+ACPI_STATUS
+AcpiExOpcode_2A_0T_0R (
+    ACPI_WALK_STATE         *WalkState);
+
+ACPI_STATUS
+AcpiExOpcode_2A_0T_1R (
+    ACPI_WALK_STATE         *WalkState);
+
+ACPI_STATUS
+AcpiExOpcode_2A_1T_1R (
+    ACPI_WALK_STATE         *WalkState);
+
+ACPI_STATUS
+AcpiExOpcode_2A_2T_1R (
+    ACPI_WALK_STATE         *WalkState);
+
+
+/*
+ * exresolv  - Object resolution and get value functions
+ */
+
+ACPI_STATUS
+AcpiExResolveToValue (
+    ACPI_OPERAND_OBJECT     **StackPtr,
+    ACPI_WALK_STATE         *WalkState);
+
+ACPI_STATUS
+AcpiExResolveNodeToValue (
+    ACPI_NAMESPACE_NODE     **StackPtr,
+    ACPI_WALK_STATE         *WalkState);
+
+ACPI_STATUS
+AcpiExResolveObjectToValue (
+    ACPI_OPERAND_OBJECT     **StackPtr,
+    ACPI_WALK_STATE         *WalkState);
+
+
+/*
+ * exdump - Scanner debug output routines
+ */
+
+void
+AcpiExDumpOperand (
+    ACPI_OPERAND_OBJECT     *EntryDesc);
+
+void
+AcpiExDumpOperands (
+    ACPI_OPERAND_OBJECT     **Operands,
+    ACPI_INTERPRETER_MODE   InterpreterMode,
+    NATIVE_CHAR             *Ident,
+    UINT32                  NumLevels,
+    NATIVE_CHAR             *Note,
+    NATIVE_CHAR             *ModuleName,
+    UINT32                  LineNumber);
+
+void
+AcpiExDumpObjectDescriptor (
+    ACPI_OPERAND_OBJECT     *Object,
+    UINT32                  Flags);
+
+void
+AcpiExDumpNode (
+    ACPI_NAMESPACE_NODE     *Node,
+    UINT32                  Flags);
+
+void
+AcpiExOutString (
+    char                    *Title,
+    char                    *Value);
+
+void
+AcpiExOutPointer (
+    char                    *Title,
+    void                    *Value);
+
+void
+AcpiExOutInteger (
+    char                    *Title,
+    UINT32                  Value);
+
+void
+AcpiExOutAddress (
+    char                    *Title,
+    ACPI_PHYSICAL_ADDRESS   Value);
+
+
+/*
+ * exnames - interpreter/scanner name load/execute
+ */
+
+NATIVE_CHAR *
+AcpiExAllocateNameString (
+    UINT32                  PrefixCount,
+    UINT32                  NumNameSegs);
+
+UINT32
+AcpiExGoodChar (
+    UINT32                  Character);
+
+ACPI_STATUS
+AcpiExNameSegment (
+    UINT8                   **InAmlAddress,
+    NATIVE_CHAR             *NameString);
+
+ACPI_STATUS
+AcpiExGetNameString (
+    ACPI_OBJECT_TYPE        DataType,
+    UINT8                   *InAmlAddress,
+    NATIVE_CHAR             **OutNameString,
+    UINT32                  *OutNameLength);
+
+ACPI_STATUS
+AcpiExDoName (
+    ACPI_OBJECT_TYPE        DataType,
+    ACPI_INTERPRETER_MODE   LoadExecMode);
+
+
+/*
+ * exstore - Object store support
+ */
+
+ACPI_STATUS
+AcpiExStore (
+    ACPI_OPERAND_OBJECT     *ValDesc,
+    ACPI_OPERAND_OBJECT     *DestDesc,
+    ACPI_WALK_STATE         *WalkState);
+
+ACPI_STATUS
+AcpiExStoreObjectToIndex (
+    ACPI_OPERAND_OBJECT     *ValDesc,
+    ACPI_OPERAND_OBJECT     *DestDesc,
+    ACPI_WALK_STATE         *WalkState);
+
+ACPI_STATUS
+AcpiExStoreObjectToNode (
+    ACPI_OPERAND_OBJECT     *SourceDesc,
+    ACPI_NAMESPACE_NODE     *Node,
+    ACPI_WALK_STATE         *WalkState);
+
+
+/*
+ * exstoren
+ */
+
+ACPI_STATUS
+AcpiExResolveObject (
+    ACPI_OPERAND_OBJECT     **SourceDescPtr,
+    ACPI_OBJECT_TYPE        TargetType,
+    ACPI_WALK_STATE         *WalkState);
+
+ACPI_STATUS
+AcpiExStoreObjectToObject (
+    ACPI_OPERAND_OBJECT     *SourceDesc,
+    ACPI_OPERAND_OBJECT     *DestDesc,
+    ACPI_OPERAND_OBJECT     **NewDesc,
+    ACPI_WALK_STATE         *WalkState);
+
+
+/*
+ * excopy - object copy
+ */
+
+ACPI_STATUS
+AcpiExStoreBufferToBuffer (
+    ACPI_OPERAND_OBJECT     *SourceDesc,
+    ACPI_OPERAND_OBJECT     *TargetDesc);
+
+ACPI_STATUS
+AcpiExStoreStringToString (
+    ACPI_OPERAND_OBJECT     *SourceDesc,
+    ACPI_OPERAND_OBJECT     *TargetDesc);
+
+ACPI_STATUS
+AcpiExCopyIntegerToIndexField (
+    ACPI_OPERAND_OBJECT     *SourceDesc,
+    ACPI_OPERAND_OBJECT     *TargetDesc);
+
+ACPI_STATUS
+AcpiExCopyIntegerToBankField (
+    ACPI_OPERAND_OBJECT     *SourceDesc,
+    ACPI_OPERAND_OBJECT     *TargetDesc);
+
+ACPI_STATUS
+AcpiExCopyDataToNamedField (
+    ACPI_OPERAND_OBJECT     *SourceDesc,
+    ACPI_NAMESPACE_NODE     *Node);
+
+ACPI_STATUS
+AcpiExCopyIntegerToBufferField (
+    ACPI_OPERAND_OBJECT     *SourceDesc,
+    ACPI_OPERAND_OBJECT     *TargetDesc);
+
+/*
+ * exutils - interpreter/scanner utilities
+ */
+
+ACPI_STATUS
+AcpiExEnterInterpreter (
+    void);
+
+void
+AcpiExExitInterpreter (
+    void);
+
+void
+AcpiExTruncateFor32bitTable (
+    ACPI_OPERAND_OBJECT     *ObjDesc);
+
+BOOLEAN
+AcpiExAcquireGlobalLock (
+    UINT32                  Rule);
+
+void
+AcpiExReleaseGlobalLock (
+    BOOLEAN                 Locked);
+
+UINT32
+AcpiExDigitsNeeded (
+    ACPI_INTEGER            Value,
+    UINT32                  Base);
+
+void
+AcpiExEisaIdToString (
+    UINT32                  NumericId,
+    NATIVE_CHAR             *OutString);
+
+void
+AcpiExUnsignedIntegerToString (
+    ACPI_INTEGER            Value,
+    NATIVE_CHAR             *OutString);
+
+
+/*
+ * exregion - default OpRegion handlers
+ */
+
+ACPI_STATUS
+AcpiExSystemMemorySpaceHandler (
+    UINT32                  Function,
+    ACPI_PHYSICAL_ADDRESS   Address,
+    UINT32                  BitWidth,
+    ACPI_INTEGER            *Value,
+    void                    *HandlerContext,
+    void                    *RegionContext);
+
+ACPI_STATUS
+AcpiExSystemIoSpaceHandler (
+    UINT32                  Function,
+    ACPI_PHYSICAL_ADDRESS   Address,
+    UINT32                  BitWidth,
+    ACPI_INTEGER            *Value,
+    void                    *HandlerContext,
+    void                    *RegionContext);
+
+ACPI_STATUS
+AcpiExPciConfigSpaceHandler (
+    UINT32                  Function,
+    ACPI_PHYSICAL_ADDRESS   Address,
+    UINT32                  BitWidth,
+    ACPI_INTEGER            *Value,
+    void                    *HandlerContext,
+    void                    *RegionContext);
+
+ACPI_STATUS
+AcpiExCmosSpaceHandler (
+    UINT32                  Function,
+    ACPI_PHYSICAL_ADDRESS   Address,
+    UINT32                  BitWidth,
+    ACPI_INTEGER            *Value,
+    void                    *HandlerContext,
+    void                    *RegionContext);
+
+ACPI_STATUS
+AcpiExPciBarSpaceHandler (
+    UINT32                  Function,
+    ACPI_PHYSICAL_ADDRESS   Address,
+    UINT32                  BitWidth,
+    ACPI_INTEGER            *Value,
+    void                    *HandlerContext,
+    void                    *RegionContext);
+
+ACPI_STATUS
+AcpiExEmbeddedControllerSpaceHandler (
+    UINT32                  Function,
+    ACPI_PHYSICAL_ADDRESS   Address,
+    UINT32                  BitWidth,
+    ACPI_INTEGER            *Value,
+    void                    *HandlerContext,
+    void                    *RegionContext);
+
+ACPI_STATUS
+AcpiExSmBusSpaceHandler (
+    UINT32                  Function,
+    ACPI_PHYSICAL_ADDRESS   Address,
+    UINT32                  BitWidth,
+    ACPI_INTEGER            *Value,
+    void                    *HandlerContext,
+    void                    *RegionContext);
+
+
+ACPI_STATUS
+AcpiExDataTableSpaceHandler (
+    UINT32                  Function,
+    ACPI_PHYSICAL_ADDRESS   Address,
+    UINT32                  BitWidth,
+    ACPI_INTEGER            *Value,
+    void                    *HandlerContext,
+    void                    *RegionContext);
+
+#endif /* __INTERP_H__ */
diff --git a/sys/contrib/dev/acpica/aclocal.h b/sys/contrib/dev/acpica/aclocal.h
new file mode 100644
index 0000000..f2baeb8
--- /dev/null
+++ b/sys/contrib/dev/acpica/aclocal.h
@@ -0,0 +1,1079 @@
+/******************************************************************************
+ *
+ * Name: aclocal.h - Internal data types used across the ACPI subsystem
+ *       $Revision: 179 $
+ *
+ *****************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+#ifndef __ACLOCAL_H__
+#define __ACLOCAL_H__
+
+
+#define ACPI_WAIT_FOREVER               0xFFFF  /* UINT16, as per ACPI spec */
+
+typedef void*                           ACPI_MUTEX;
+typedef UINT32                          ACPI_MUTEX_HANDLE;
+
+
+/* Total number of aml opcodes defined */
+
+#define AML_NUM_OPCODES                 0x7E
+
+
+/*****************************************************************************
+ *
+ * Mutex typedefs and structs
+ *
+ ****************************************************************************/
+
+
+/*
+ * Predefined handles for the mutex objects used within the subsystem
+ * All mutex objects are automatically created by AcpiUtMutexInitialize.
+ *
+ * The acquire/release ordering protocol is implied via this list.  Mutexes
+ * with a lower value must be acquired before mutexes with a higher value.
+ *
+ * NOTE: any changes here must be reflected in the AcpiGbl_MutexNames table also!
+ */
+
+#define ACPI_MTX_EXECUTE                0
+#define ACPI_MTX_INTERPRETER            1
+#define ACPI_MTX_PARSER                 2
+#define ACPI_MTX_DISPATCHER             3
+#define ACPI_MTX_TABLES                 4
+#define ACPI_MTX_OP_REGIONS             5
+#define ACPI_MTX_NAMESPACE              6
+#define ACPI_MTX_EVENTS                 7
+#define ACPI_MTX_HARDWARE               8
+#define ACPI_MTX_CACHES                 9
+#define ACPI_MTX_MEMORY                 10
+#define ACPI_MTX_DEBUG_CMD_COMPLETE     11
+#define ACPI_MTX_DEBUG_CMD_READY        12
+
+#define MAX_MTX                         12
+#define NUM_MTX                         MAX_MTX+1
+
+
+#if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER)
+#ifdef DEFINE_ACPI_GLOBALS
+
+/* Names for the mutexes used in the subsystem */
+
+static NATIVE_CHAR          *AcpiGbl_MutexNames[] =
+{
+    "ACPI_MTX_Execute",
+    "ACPI_MTX_Interpreter",
+    "ACPI_MTX_Parser",
+    "ACPI_MTX_Dispatcher",
+    "ACPI_MTX_Tables",
+    "ACPI_MTX_OpRegions",
+    "ACPI_MTX_Namespace",
+    "ACPI_MTX_Events",
+    "ACPI_MTX_Hardware",
+    "ACPI_MTX_Caches",
+    "ACPI_MTX_Memory",
+    "ACPI_MTX_DebugCmdComplete",
+    "ACPI_MTX_DebugCmdReady",
+};
+
+#endif
+#endif
+
+
+/* Table for the global mutexes */
+
+typedef struct AcpiMutexInfo
+{
+    ACPI_MUTEX                  Mutex;
+    UINT32                      UseCount;
+    UINT32                      OwnerId;
+
+} ACPI_MUTEX_INFO;
+
+/* This owner ID means that the mutex is not in use (unlocked) */
+
+#define ACPI_MUTEX_NOT_ACQUIRED         (UINT32) (-1)
+
+
+/* Lock flag parameter for various interfaces */
+
+#define ACPI_MTX_DO_NOT_LOCK            0
+#define ACPI_MTX_LOCK                   1
+
+
+typedef UINT16                          ACPI_OWNER_ID;
+#define ACPI_OWNER_TYPE_TABLE           0x0
+#define ACPI_OWNER_TYPE_METHOD          0x1
+#define ACPI_FIRST_METHOD_ID            0x0000
+#define ACPI_FIRST_TABLE_ID             0x8000
+
+/* TBD: [Restructure] get rid of the need for this! */
+
+#define TABLE_ID_DSDT                   (ACPI_OWNER_ID) 0x8000
+
+
+/* Field access granularities */
+
+#define ACPI_FIELD_BYTE_GRANULARITY     1
+#define ACPI_FIELD_WORD_GRANULARITY     2
+#define ACPI_FIELD_DWORD_GRANULARITY    4
+#define ACPI_FIELD_QWORD_GRANULARITY    8
+
+/*****************************************************************************
+ *
+ * Namespace typedefs and structs
+ *
+ ****************************************************************************/
+
+
+/* Operational modes of the AML interpreter/scanner */
+
+typedef enum
+{
+    ACPI_IMODE_LOAD_PASS1               = 0x01,
+    ACPI_IMODE_LOAD_PASS2               = 0x02,
+    ACPI_IMODE_EXECUTE                  = 0x0E
+
+} ACPI_INTERPRETER_MODE;
+
+
+/*
+ * The Node describes a named object that appears in the AML
+ * An AcpiNode is used to store Nodes.
+ *
+ * DataType is used to differentiate between internal descriptors, and MUST
+ * be the first byte in this structure.
+ */
+
+typedef union acpi_name_union
+{
+    UINT32                  Integer;
+    char                    Ascii[4];
+} ACPI_NAME_UNION;
+
+typedef struct acpi_node
+{
+    UINT8                   Descriptor;     /* Used to differentiate object descriptor types */
+    UINT8                   Type;           /* Type associated with this name */
+    UINT16                  OwnerId;
+    ACPI_NAME_UNION         Name;           /* ACPI Name, always 4 chars per ACPI spec */
+
+
+    union acpi_operand_obj  *Object;        /* Pointer to attached ACPI object (optional) */
+    struct acpi_node        *Child;         /* first child */
+    struct acpi_node        *Peer;          /* Next peer*/
+    UINT16                  ReferenceCount; /* Current count of references and children */
+    UINT8                   Flags;
+
+} ACPI_NAMESPACE_NODE;
+
+
+#define ACPI_ENTRY_NOT_FOUND            NULL
+
+
+/* Node flags */
+
+#define ANOBJ_RESERVED                  0x01
+#define ANOBJ_END_OF_PEER_LIST          0x02
+#define ANOBJ_DATA_WIDTH_32             0x04     /* Parent table is 64-bits */
+#define ANOBJ_METHOD_ARG                0x08
+#define ANOBJ_METHOD_LOCAL              0x10
+#define ANOBJ_METHOD_NO_RETVAL          0x20
+#define ANOBJ_METHOD_SOME_NO_RETVAL     0x40
+
+#define ANOBJ_IS_BIT_OFFSET             0x80
+
+
+/*
+ * ACPI Table Descriptor.  One per ACPI table
+ */
+typedef struct AcpiTableDesc
+{
+    struct AcpiTableDesc    *Prev;
+    struct AcpiTableDesc    *Next;
+    struct AcpiTableDesc    *InstalledDesc;
+    ACPI_TABLE_HEADER       *Pointer;
+    UINT8                   *AmlStart;
+    UINT64                  PhysicalAddress;
+    UINT32                  AmlLength;
+    ACPI_SIZE               Length;
+    UINT32                  Count;
+    ACPI_OWNER_ID           TableId;
+    UINT8                   Type;
+    UINT8                   Allocation;
+    BOOLEAN                 LoadedIntoNamespace;
+
+} ACPI_TABLE_DESC;
+
+
+typedef struct
+{
+    NATIVE_CHAR             *SearchFor;
+    ACPI_HANDLE             *List;
+    UINT32                  *Count;
+
+} ACPI_FIND_CONTEXT;
+
+
+typedef struct
+{
+    ACPI_NAMESPACE_NODE     *Node;
+} ACPI_NS_SEARCH_DATA;
+
+
+/*
+ * Predefined Namespace items
+ */
+typedef struct
+{
+    NATIVE_CHAR             *Name;
+    UINT8                   Type;
+    NATIVE_CHAR             *Val;
+
+} ACPI_PREDEFINED_NAMES;
+
+
+/* Object types used during package copies */
+
+
+#define ACPI_COPY_TYPE_SIMPLE           0
+#define ACPI_COPY_TYPE_PACKAGE          1
+
+/* Info structure used to convert external<->internal namestrings */
+
+typedef struct acpi_namestring_info
+{
+    NATIVE_CHAR             *ExternalName;
+    NATIVE_CHAR             *NextExternalChar;
+    NATIVE_CHAR             *InternalName;
+    UINT32                  Length;
+    UINT32                  NumSegments;
+    UINT32                  NumCarats;
+    BOOLEAN                 FullyQualified;
+
+} ACPI_NAMESTRING_INFO;
+
+
+/* Field creation info */
+
+typedef struct
+{
+    ACPI_NAMESPACE_NODE     *RegionNode;
+    ACPI_NAMESPACE_NODE     *FieldNode;
+    ACPI_NAMESPACE_NODE     *RegisterNode;
+    ACPI_NAMESPACE_NODE     *DataRegisterNode;
+    UINT32                  BankValue;
+    UINT32                  FieldBitPosition;
+    UINT32                  FieldBitLength;
+    UINT8                   FieldFlags;
+    UINT8                   Attribute;
+    UINT8                   FieldType;
+
+} ACPI_CREATE_FIELD_INFO;
+
+
+/*****************************************************************************
+ *
+ * Event typedefs and structs
+ *
+ ****************************************************************************/
+
+/* Information about each GPE register block */
+
+typedef struct
+{
+    UINT8                   AddressSpaceId;
+    ACPI_GENERIC_ADDRESS    *BlockAddress;
+    UINT16                  RegisterCount;
+    UINT8                   BlockBaseNumber;
+
+} ACPI_GPE_BLOCK_INFO;
+
+/* Information about a particular GPE register pair */
+
+typedef struct
+{
+    ACPI_GENERIC_ADDRESS    StatusAddress;  /* Address of status reg */
+    ACPI_GENERIC_ADDRESS    EnableAddress;  /* Address of enable reg */
+    UINT8                   Status;         /* Current value of status reg */
+    UINT8                   Enable;         /* Current value of enable reg */
+    UINT8                   WakeEnable;     /* Mask of bits to keep enabled when sleeping */
+    UINT8                   BaseGpeNumber;  /* Base GPE number for this register */
+
+} ACPI_GPE_REGISTER_INFO;
+
+
+#define ACPI_GPE_LEVEL_TRIGGERED        1
+#define ACPI_GPE_EDGE_TRIGGERED         2
+
+
+/* Information about each particular GPE level */
+
+typedef struct
+{
+    ACPI_HANDLE             MethodHandle;   /* Method handle for direct (fast) execution */
+    ACPI_GPE_HANDLER        Handler;        /* Address of handler, if any */
+    void                    *Context;       /* Context to be passed to handler */
+    UINT8                   Type;           /* Level or Edge */
+    UINT8                   BitMask;
+
+
+} ACPI_GPE_NUMBER_INFO;
+
+
+typedef struct
+{
+    UINT8                   NumberIndex;
+
+} ACPI_GPE_INDEX_INFO;
+
+/* Information about each particular fixed event */
+
+typedef struct
+{
+    ACPI_EVENT_HANDLER      Handler;        /* Address of handler. */
+    void                    *Context;       /* Context to be passed to handler */
+
+} ACPI_FIXED_EVENT_HANDLER;
+
+
+typedef struct
+{
+    UINT8                   StatusRegisterId;
+    UINT8                   EnableRegisterId;
+    UINT16                  StatusBitMask;
+    UINT16                  EnableBitMask;
+
+} ACPI_FIXED_EVENT_INFO;
+
+/* Information used during field processing */
+
+typedef struct
+{
+    UINT8                   SkipField;
+    UINT8                   FieldFlag;
+    UINT32                  PkgLength;
+
+} ACPI_FIELD_INFO;
+
+
+/*****************************************************************************
+ *
+ * Generic "state" object for stacks
+ *
+ ****************************************************************************/
+
+
+#define ACPI_CONTROL_NORMAL                  0xC0
+#define ACPI_CONTROL_CONDITIONAL_EXECUTING   0xC1
+#define ACPI_CONTROL_PREDICATE_EXECUTING     0xC2
+#define ACPI_CONTROL_PREDICATE_FALSE         0xC3
+#define ACPI_CONTROL_PREDICATE_TRUE          0xC4
+
+
+/* Forward declarations */
+struct acpi_walk_state;
+struct acpi_obj_mutex;
+union acpi_parse_obj;
+
+
+#define ACPI_STATE_COMMON                  /* Two 32-bit fields and a pointer */\
+    UINT8                   DataType;           /* To differentiate various internal objs */\
+    UINT8                   Flags;      \
+    UINT16                  Value;      \
+    UINT16                  State;      \
+    UINT16                  Reserved;   \
+    void                    *Next;      \
+
+typedef struct acpi_common_state
+{
+    ACPI_STATE_COMMON
+} ACPI_COMMON_STATE;
+
+
+/*
+ * Update state - used to traverse complex objects such as packages
+ */
+typedef struct acpi_update_state
+{
+    ACPI_STATE_COMMON
+    union acpi_operand_obj  *Object;
+
+} ACPI_UPDATE_STATE;
+
+
+/*
+ * Pkg state - used to traverse nested package structures
+ */
+typedef struct acpi_pkg_state
+{
+    ACPI_STATE_COMMON
+    union acpi_operand_obj  *SourceObject;
+    union acpi_operand_obj  *DestObject;
+    struct acpi_walk_state  *WalkState;
+    void                    *ThisTargetObj;
+    UINT32                  NumPackages;
+    UINT16                  Index;
+
+} ACPI_PKG_STATE;
+
+
+/*
+ * Control state - one per if/else and while constructs.
+ * Allows nesting of these constructs
+ */
+typedef struct acpi_control_state
+{
+    ACPI_STATE_COMMON
+    union acpi_parse_obj    *PredicateOp;
+    UINT8                   *AmlPredicateStart;     /* Start of if/while predicate */
+    UINT8                   *PackageEnd;            /* End of if/while block */
+    UINT16                  Opcode;
+
+} ACPI_CONTROL_STATE;
+
+
+/*
+ * Scope state - current scope during namespace lookups
+ */
+typedef struct acpi_scope_state
+{
+    ACPI_STATE_COMMON
+    ACPI_NAMESPACE_NODE     *Node;
+
+} ACPI_SCOPE_STATE;
+
+
+typedef struct acpi_pscope_state
+{
+    ACPI_STATE_COMMON
+    union acpi_parse_obj    *Op;                    /* current op being parsed */
+    UINT8                   *ArgEnd;                /* current argument end */
+    UINT8                   *PkgEnd;                /* current package end */
+    UINT32                  ArgList;                /* next argument to parse */
+    UINT32                  ArgCount;               /* Number of fixed arguments */
+
+} ACPI_PSCOPE_STATE;
+
+
+/*
+ * Thread state - one per thread across multiple walk states.  Multiple walk
+ * states are created when there are nested control methods executing.
+ */
+typedef struct acpi_thread_state
+{
+    ACPI_STATE_COMMON
+    struct acpi_walk_state  *WalkStateList;         /* Head of list of WalkStates for this thread */
+    union acpi_operand_obj  *AcquiredMutexList;     /* List of all currently acquired mutexes */
+    UINT32                  ThreadId;               /* Running thread ID */
+    UINT16                  CurrentSyncLevel;       /* Mutex Sync (nested acquire) level */
+
+} ACPI_THREAD_STATE;
+
+
+/*
+ * Result values - used to accumulate the results of nested
+ * AML arguments
+ */
+typedef struct acpi_result_values
+{
+    ACPI_STATE_COMMON
+    union acpi_operand_obj  *ObjDesc [OBJ_NUM_OPERANDS];
+    UINT8                   NumResults;
+    UINT8                   LastInsert;
+
+} ACPI_RESULT_VALUES;
+
+
+typedef
+ACPI_STATUS (*ACPI_PARSE_DOWNWARDS) (
+    struct acpi_walk_state  *WalkState,
+    union acpi_parse_obj    **OutOp);
+
+typedef
+ACPI_STATUS (*ACPI_PARSE_UPWARDS) (
+    struct acpi_walk_state  *WalkState);
+
+
+/*
+ * Notify info - used to pass info to the deferred notify
+ * handler/dispatcher.
+ */
+typedef struct acpi_notify_info
+{
+    ACPI_STATE_COMMON
+    ACPI_NAMESPACE_NODE     *Node;
+    union acpi_operand_obj  *HandlerObj;
+
+} ACPI_NOTIFY_INFO;
+
+
+/* Generic state is union of structs above */
+
+typedef union acpi_gen_state
+{
+    ACPI_COMMON_STATE       Common;
+    ACPI_CONTROL_STATE      Control;
+    ACPI_UPDATE_STATE       Update;
+    ACPI_SCOPE_STATE        Scope;
+    ACPI_PSCOPE_STATE       ParseScope;
+    ACPI_PKG_STATE          Pkg;
+    ACPI_THREAD_STATE       Thread;
+    ACPI_RESULT_VALUES      Results;
+    ACPI_NOTIFY_INFO        Notify;
+
+} ACPI_GENERIC_STATE;
+
+
+/*****************************************************************************
+ *
+ * Interpreter typedefs and structs
+ *
+ ****************************************************************************/
+
+typedef
+ACPI_STATUS (*ACPI_EXECUTE_OP) (
+    struct acpi_walk_state  *WalkState);
+
+
+/*****************************************************************************
+ *
+ * Parser typedefs and structs
+ *
+ ****************************************************************************/
+
+/*
+ * AML opcode, name, and argument layout
+ */
+typedef struct acpi_opcode_info
+{
+#if defined(ACPI_DISASSEMBLER) || defined(ACPI_DEBUG_OUTPUT)
+    NATIVE_CHAR             *Name;          /* Opcode name (disassembler/debug only) */
+#endif
+    UINT32                  ParseArgs;      /* Grammar/Parse time arguments */
+    UINT32                  RuntimeArgs;    /* Interpret time arguments */
+    UINT32                  Flags;          /* Misc flags */
+    UINT8                   ObjectType;     /* Corresponding internal object type */
+    UINT8                   Class;          /* Opcode class */
+    UINT8                   Type;           /* Opcode type */
+
+} ACPI_OPCODE_INFO;
+
+
+typedef union acpi_parse_val
+{
+    ACPI_INTEGER            Integer;        /* integer constant (Up to 64 bits) */
+    UINT64_STRUCT           Integer64;      /* Structure overlay for 2 32-bit Dwords */
+    UINT32                  Integer32;      /* integer constant, 32 bits only */
+    UINT16                  Integer16;      /* integer constant, 16 bits only */
+    UINT8                   Integer8;       /* integer constant, 8 bits only */
+    UINT32                  Size;           /* bytelist or field size */
+    NATIVE_CHAR             *String;        /* NULL terminated string */
+    UINT8                   *Buffer;        /* buffer or string */
+    NATIVE_CHAR             *Name;          /* NULL terminated string */
+    union acpi_parse_obj    *Arg;           /* arguments and contained ops */
+
+} ACPI_PARSE_VALUE;
+
+
+#define ACPI_PARSE_COMMON \
+    UINT8                   DataType;       /* To differentiate various internal objs */\
+    UINT8                   Flags;          /* Type of Op */\
+    UINT16                  AmlOpcode;      /* AML opcode */\
+    UINT32                  AmlOffset;      /* offset of declaration in AML */\
+    union acpi_parse_obj    *Parent;        /* parent op */\
+    union acpi_parse_obj    *Next;          /* next op */\
+    ACPI_DISASM_ONLY_MEMBERS (\
+    UINT8                   DisasmFlags;    /* Used during AML disassembly */\
+    UINT8                   DisasmOpcode;   /* Subtype used for disassembly */\
+    NATIVE_CHAR             AmlOpName[16])  /* op name (debug only) */\
+                                            /* NON-DEBUG members below: */\
+    ACPI_NAMESPACE_NODE     *Node;          /* for use by interpreter */\
+    ACPI_PARSE_VALUE        Value;          /* Value or args associated with the opcode */\
+
+#define ACPI_DASM_BUFFER        0x00
+#define ACPI_DASM_RESOURCE      0x01
+#define ACPI_DASM_STRING        0x02
+#define ACPI_DASM_UNICODE       0x03
+#define ACPI_DASM_EISAID        0x04
+#define ACPI_DASM_MATCHOP       0x05
+
+/*
+ * generic operation (for example:  If, While, Store)
+ */
+typedef struct acpi_parseobj_common
+{
+    ACPI_PARSE_COMMON
+} ACPI_PARSE_OBJ_COMMON;
+
+
+/*
+ * Extended Op for named ops (Scope, Method, etc.), deferred ops (Methods and OpRegions),
+ * and bytelists.
+ */
+typedef struct acpi_parseobj_named
+{
+    ACPI_PARSE_COMMON
+    UINT8                   *Path;
+    UINT8                   *Data;          /* AML body or bytelist data */
+    UINT32                  Length;         /* AML length */
+    UINT32                  Name;           /* 4-byte name or zero if no name */
+
+} ACPI_PARSE_OBJ_NAMED;
+
+
+/* The parse node is the fundamental element of the parse tree */
+
+typedef struct acpi_parseobj_asl
+{
+    ACPI_PARSE_COMMON
+
+    union acpi_parse_obj        *Child;
+
+
+    union acpi_parse_obj        *ParentMethod;
+    char                        *Filename;
+    char                        *ExternalName;
+    char                        *Namepath;
+    char                        NameSeg[4];
+    UINT32                      ExtraValue;
+    UINT32                      Column;
+    UINT32                      LineNumber;
+    UINT32                      LogicalLineNumber;
+    UINT32                      LogicalByteOffset;
+    UINT32                      EndLine;
+    UINT32                      EndLogicalLine;
+    UINT32                      AcpiBtype;
+    UINT32                      AmlLength;
+    UINT32                      AmlSubtreeLength;
+    UINT32                      FinalAmlLength;
+    UINT32                      FinalAmlOffset;
+    UINT32                      CompileFlags;
+    UINT16                      ParseOpcode;
+    UINT8                       AmlOpcodeLength;
+    UINT8                       AmlPkgLenBytes;
+    UINT8                       Extra;
+    char                        ParseOpName[12];
+
+} ACPI_PARSE_OBJ_ASL;
+
+
+typedef union acpi_parse_obj
+{
+    ACPI_PARSE_OBJ_COMMON       Common;
+    ACPI_PARSE_OBJ_NAMED        Named;
+    ACPI_PARSE_OBJ_ASL          Asl;
+
+} ACPI_PARSE_OBJECT;
+
+
+/*
+ * Parse state - one state per parser invocation and each control
+ * method.
+ */
+typedef struct acpi_parse_state
+{
+    UINT32                  AmlSize;
+    UINT8                   *AmlStart;      /* first AML byte */
+    UINT8                   *Aml;           /* next AML byte */
+    UINT8                   *AmlEnd;        /* (last + 1) AML byte */
+    UINT8                   *PkgStart;      /* current package begin */
+    UINT8                   *PkgEnd;        /* current package end */
+    union acpi_parse_obj    *StartOp;       /* root of parse tree */
+    struct acpi_node        *StartNode;
+    union acpi_gen_state    *Scope;         /* current scope */
+    union acpi_parse_obj    *StartScope;
+
+} ACPI_PARSE_STATE;
+
+
+/* Parse object flags */
+
+#define ACPI_PARSEOP_GENERIC                    0x01
+#define ACPI_PARSEOP_NAMED                      0x02
+#define ACPI_PARSEOP_DEFERRED                   0x04
+#define ACPI_PARSEOP_BYTELIST                   0x08
+#define ACPI_PARSEOP_IN_CACHE                   0x80
+
+/* Parse object DisasmFlags */
+
+#define ACPI_PARSEOP_IGNORE                     0x01
+#define ACPI_PARSEOP_PARAMLIST                  0x02
+#define ACPI_PARSEOP_EMPTY_TERMLIST             0x04
+#define ACPI_PARSEOP_SPECIAL                    0x10
+
+
+/*****************************************************************************
+ *
+ * Hardware (ACPI registers) and PNP
+ *
+ ****************************************************************************/
+
+#define PCI_ROOT_HID_STRING         "PNP0A03"
+
+typedef struct
+{
+    UINT8                   ParentRegister;
+    UINT8                   BitPosition;
+    UINT16                  AccessBitMask;
+
+} ACPI_BIT_REGISTER_INFO;
+
+
+/*
+ * Register IDs
+ * These are the full ACPI registers
+ */
+#define ACPI_REGISTER_PM1_STATUS                0x01
+#define ACPI_REGISTER_PM1_ENABLE                0x02
+#define ACPI_REGISTER_PM1_CONTROL               0x03
+#define ACPI_REGISTER_PM1A_CONTROL              0x04
+#define ACPI_REGISTER_PM1B_CONTROL              0x05
+#define ACPI_REGISTER_PM2_CONTROL               0x06
+#define ACPI_REGISTER_PM_TIMER                  0x07
+#define ACPI_REGISTER_PROCESSOR_BLOCK           0x08
+#define ACPI_REGISTER_SMI_COMMAND_BLOCK         0x09
+
+
+/* Masks used to access the BitRegisters */
+
+#define ACPI_BITMASK_TIMER_STATUS               0x0001
+#define ACPI_BITMASK_BUS_MASTER_STATUS          0x0010
+#define ACPI_BITMASK_GLOBAL_LOCK_STATUS         0x0020
+#define ACPI_BITMASK_POWER_BUTTON_STATUS        0x0100
+#define ACPI_BITMASK_SLEEP_BUTTON_STATUS        0x0200
+#define ACPI_BITMASK_RT_CLOCK_STATUS            0x0400
+#define ACPI_BITMASK_WAKE_STATUS                0x8000
+
+#define ACPI_BITMASK_ALL_FIXED_STATUS           (ACPI_BITMASK_TIMER_STATUS          | \
+                                                 ACPI_BITMASK_BUS_MASTER_STATUS     | \
+                                                 ACPI_BITMASK_GLOBAL_LOCK_STATUS    | \
+                                                 ACPI_BITMASK_POWER_BUTTON_STATUS   | \
+                                                 ACPI_BITMASK_SLEEP_BUTTON_STATUS   | \
+                                                 ACPI_BITMASK_RT_CLOCK_STATUS       | \
+                                                 ACPI_BITMASK_WAKE_STATUS)
+
+#define ACPI_BITMASK_TIMER_ENABLE               0x0001
+#define ACPI_BITMASK_GLOBAL_LOCK_ENABLE         0x0020
+#define ACPI_BITMASK_POWER_BUTTON_ENABLE        0x0100
+#define ACPI_BITMASK_SLEEP_BUTTON_ENABLE        0x0200
+#define ACPI_BITMASK_RT_CLOCK_ENABLE            0x0400
+
+#define ACPI_BITMASK_SCI_ENABLE                 0x0001
+#define ACPI_BITMASK_BUS_MASTER_RLD             0x0002
+#define ACPI_BITMASK_GLOBAL_LOCK_RELEASE        0x0004
+#define ACPI_BITMASK_SLEEP_TYPE_X               0x1C00
+#define ACPI_BITMASK_SLEEP_ENABLE               0x2000
+
+#define ACPI_BITMASK_ARB_DISABLE                0x0001
+
+
+/* Raw bit position of each BitRegister */
+
+#define ACPI_BITPOSITION_TIMER_STATUS           0x00
+#define ACPI_BITPOSITION_BUS_MASTER_STATUS      0x04
+#define ACPI_BITPOSITION_GLOBAL_LOCK_STATUS     0x05
+#define ACPI_BITPOSITION_POWER_BUTTON_STATUS    0x08
+#define ACPI_BITPOSITION_SLEEP_BUTTON_STATUS    0x09
+#define ACPI_BITPOSITION_RT_CLOCK_STATUS        0x0A
+#define ACPI_BITPOSITION_WAKE_STATUS            0x0F
+
+#define ACPI_BITPOSITION_TIMER_ENABLE           0x00
+#define ACPI_BITPOSITION_GLOBAL_LOCK_ENABLE     0x05
+#define ACPI_BITPOSITION_POWER_BUTTON_ENABLE    0x08
+#define ACPI_BITPOSITION_SLEEP_BUTTON_ENABLE    0x09
+#define ACPI_BITPOSITION_RT_CLOCK_ENABLE        0x0A
+
+#define ACPI_BITPOSITION_SCI_ENABLE             0x00
+#define ACPI_BITPOSITION_BUS_MASTER_RLD         0x01
+#define ACPI_BITPOSITION_GLOBAL_LOCK_RELEASE    0x02
+#define ACPI_BITPOSITION_SLEEP_TYPE_X           0x0A
+#define ACPI_BITPOSITION_SLEEP_ENABLE           0x0D
+
+#define ACPI_BITPOSITION_ARB_DISABLE            0x00
+
+
+/*****************************************************************************
+ *
+ * Resource descriptors
+ *
+ ****************************************************************************/
+
+
+/* ResourceType values */
+
+#define ACPI_RESOURCE_TYPE_MEMORY_RANGE         0
+#define ACPI_RESOURCE_TYPE_IO_RANGE             1
+#define ACPI_RESOURCE_TYPE_BUS_NUMBER_RANGE     2
+
+/* Resource descriptor types and masks */
+
+#define ACPI_RDESC_TYPE_LARGE                   0x80
+#define ACPI_RDESC_TYPE_SMALL                   0x00
+
+#define ACPI_RDESC_TYPE_MASK                    0x80
+#define ACPI_RDESC_SMALL_MASK                   0x78 /* Only bits 6:3 contain the type */
+
+
+/*
+ * Small resource descriptor types
+ * Note: The 3 length bits (2:0) must be zero
+ */
+#define ACPI_RDESC_TYPE_IRQ_FORMAT              0x20
+#define ACPI_RDESC_TYPE_DMA_FORMAT              0x28
+#define ACPI_RDESC_TYPE_START_DEPENDENT         0x30
+#define ACPI_RDESC_TYPE_END_DEPENDENT           0x38
+#define ACPI_RDESC_TYPE_IO_PORT                 0x40
+#define ACPI_RDESC_TYPE_FIXED_IO_PORT           0x48
+#define ACPI_RDESC_TYPE_SMALL_VENDOR            0x70
+#define ACPI_RDESC_TYPE_END_TAG                 0x78
+
+/*
+ * Large resource descriptor types
+ */
+
+#define ACPI_RDESC_TYPE_MEMORY_24               0x81
+#define ACPI_RDESC_TYPE_GENERAL_REGISTER        0x82
+#define ACPI_RDESC_TYPE_LARGE_VENDOR            0x84
+#define ACPI_RDESC_TYPE_MEMORY_32               0x85
+#define ACPI_RDESC_TYPE_FIXED_MEMORY_32         0x86
+#define ACPI_RDESC_TYPE_DWORD_ADDRESS_SPACE     0x87
+#define ACPI_RDESC_TYPE_WORD_ADDRESS_SPACE      0x88
+#define ACPI_RDESC_TYPE_EXTENDED_XRUPT          0x89
+#define ACPI_RDESC_TYPE_QWORD_ADDRESS_SPACE     0x8A
+
+
+/* String version of device HIDs and UIDs */
+
+#define ACPI_DEVICE_ID_LENGTH                   0x09
+
+typedef struct
+{
+    char            Buffer[ACPI_DEVICE_ID_LENGTH];
+
+} ACPI_DEVICE_ID;
+
+
+/*****************************************************************************
+ *
+ * Miscellaneous
+ *
+ ****************************************************************************/
+
+#define ACPI_ASCII_ZERO                      0x30
+
+
+/*****************************************************************************
+ *
+ * Debugger
+ *
+ ****************************************************************************/
+
+typedef struct dbmethodinfo
+{
+    ACPI_HANDLE             ThreadGate;
+    NATIVE_CHAR             *Name;
+    NATIVE_CHAR             **Args;
+    UINT32                  Flags;
+    UINT32                  NumLoops;
+    NATIVE_CHAR             Pathname[128];
+
+} ACPI_DB_METHOD_INFO;
+
+
+#define ACPI_DB_REDIRECTABLE_OUTPUT  0x01
+#define ACPI_DB_CONSOLE_OUTPUT       0x02
+#define ACPI_DB_DUPLICATE_OUTPUT     0x03
+
+
+/*****************************************************************************
+ *
+ * Debug
+ *
+ ****************************************************************************/
+
+typedef struct
+{
+    UINT32                  ComponentId;
+    NATIVE_CHAR             *ProcName;
+    NATIVE_CHAR             *ModuleName;
+
+} ACPI_DEBUG_PRINT_INFO;
+
+
+/* Entry for a memory allocation (debug only) */
+
+#define ACPI_MEM_MALLOC                      0
+#define ACPI_MEM_CALLOC                      1
+#define ACPI_MAX_MODULE_NAME                 16
+
+#define ACPI_COMMON_DEBUG_MEM_HEADER \
+    struct AcpiDebugMemBlock    *Previous; \
+    struct AcpiDebugMemBlock    *Next; \
+    UINT32                      Size; \
+    UINT32                      Component; \
+    UINT32                      Line; \
+    NATIVE_CHAR                 Module[ACPI_MAX_MODULE_NAME]; \
+    UINT8                       AllocType;
+
+typedef struct
+{
+    ACPI_COMMON_DEBUG_MEM_HEADER
+
+} ACPI_DEBUG_MEM_HEADER;
+
+typedef struct AcpiDebugMemBlock
+{
+    ACPI_COMMON_DEBUG_MEM_HEADER
+    UINT64                      UserSpace;
+
+} ACPI_DEBUG_MEM_BLOCK;
+
+
+#define ACPI_MEM_LIST_GLOBAL            0
+#define ACPI_MEM_LIST_NSNODE            1
+
+#define ACPI_MEM_LIST_FIRST_CACHE_LIST  2
+#define ACPI_MEM_LIST_STATE             2
+#define ACPI_MEM_LIST_PSNODE            3
+#define ACPI_MEM_LIST_PSNODE_EXT        4
+#define ACPI_MEM_LIST_OPERAND           5
+#define ACPI_MEM_LIST_WALK              6
+#define ACPI_MEM_LIST_MAX               6
+#define ACPI_NUM_MEM_LISTS              7
+
+
+typedef struct
+{
+    void                        *ListHead;
+    UINT16                      LinkOffset;
+    UINT16                      MaxCacheDepth;
+    UINT16                      CacheDepth;
+    UINT16                      ObjectSize;
+
+#ifdef ACPI_DBG_TRACK_ALLOCATIONS
+
+    /* Statistics for debug memory tracking only */
+
+    UINT32                      TotalAllocated;
+    UINT32                      TotalFreed;
+    UINT32                      CurrentTotalSize;
+    UINT32                      CacheRequests;
+    UINT32                      CacheHits;
+    char                        *ListName;
+#endif
+
+} ACPI_MEMORY_LIST;
+
+
+#endif /* __ACLOCAL_H__ */
diff --git a/sys/contrib/dev/acpica/acmacros.h b/sys/contrib/dev/acpica/acmacros.h
new file mode 100644
index 0000000..cf3a30e
--- /dev/null
+++ b/sys/contrib/dev/acpica/acmacros.h
@@ -0,0 +1,682 @@
+/******************************************************************************
+ *
+ * Name: acmacros.h - C macros for the entire subsystem.
+ *       $Revision: 130 $
+ *
+ *****************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+#ifndef __ACMACROS_H__
+#define __ACMACROS_H__
+
+
+/*
+ * Data manipulation macros
+ */
+
+#define ACPI_LOWORD(l)                  ((UINT16)(UINT32)(l))
+#define ACPI_HIWORD(l)                  ((UINT16)((((UINT32)(l)) >> 16) & 0xFFFF))
+#define ACPI_LOBYTE(l)                  ((UINT8)(UINT16)(l))
+#define ACPI_HIBYTE(l)                  ((UINT8)((((UINT16)(l)) >> 8) & 0xFF))
+
+
+#if ACPI_MACHINE_WIDTH == 16
+
+/*
+ * For 16-bit addresses, we have to assume that the upper 32 bits
+ * are zero.
+ */
+#define ACPI_LODWORD(l)                 ((UINT32)(l))
+#define ACPI_HIDWORD(l)                 ((UINT32)(0))
+
+#define ACPI_GET_ADDRESS(a)             ((a).Lo)
+#define ACPI_STORE_ADDRESS(a,b)         {(a).Hi=0;(a).Lo=(UINT32)(b);}
+#define ACPI_VALID_ADDRESS(a)           ((a).Hi | (a).Lo)
+
+#else
+#ifdef ACPI_NO_INTEGER64_SUPPORT
+/*
+ * ACPI_INTEGER is 32-bits, no 64-bit support on this platform
+ */
+#define ACPI_LODWORD(l)                 ((UINT32)(l))
+#define ACPI_HIDWORD(l)                 ((UINT32)(0))
+
+#define ACPI_GET_ADDRESS(a)             (a)
+#define ACPI_STORE_ADDRESS(a,b)         ((a)=(b))
+#define ACPI_VALID_ADDRESS(a)           (a)
+
+#else
+
+/*
+ * Full 64-bit address/integer on both 32-bit and 64-bit platforms
+ */
+#define ACPI_LODWORD(l)                 ((UINT32)(UINT64)(l))
+#define ACPI_HIDWORD(l)                 ((UINT32)(((*(UINT64_STRUCT *)(void *)(&l))).Hi))
+
+#define ACPI_GET_ADDRESS(a)             (a)
+#define ACPI_STORE_ADDRESS(a,b)         ((a)=(ACPI_PHYSICAL_ADDRESS)(b))
+#define ACPI_VALID_ADDRESS(a)           (a)
+#endif
+#endif
+
+ /*
+  * Extract a byte of data using a pointer.  Any more than a byte and we
+  * get into potential aligment issues -- see the STORE macros below
+  */
+#define ACPI_GET8(addr)                 (*(UINT8*)(addr))
+
+/* Pointer arithmetic */
+
+#define ACPI_PTR_ADD(t,a,b)             (t *) (void *)((char *)(a) + (NATIVE_UINT)(b))
+#define ACPI_PTR_DIFF(a,b)              (NATIVE_UINT) ((char *)(a) - (char *)(b))
+
+/* Pointer/Integer type conversions */
+
+#define ACPI_TO_POINTER(i)              ACPI_PTR_ADD (void, (void *) NULL,(NATIVE_UINT)i)
+#define ACPI_TO_INTEGER(p)              ACPI_PTR_DIFF (p,(void *) NULL)
+#define ACPI_OFFSET(d,f)                (ACPI_SIZE) ACPI_PTR_DIFF (&(((d *)0)->f),(void *) NULL)
+#define ACPI_FADT_OFFSET(f)             ACPI_OFFSET (FADT_DESCRIPTOR, f)
+
+#define ACPI_CAST_PTR(t, p)             ((t *)(void *)(p))
+#define ACPI_CAST_INDIRECT_PTR(t, p)    ((t **)(void *)(p))
+
+#if ACPI_MACHINE_WIDTH == 16
+#define ACPI_STORE_POINTER(d,s)         ACPI_MOVE_UNALIGNED32_TO_32(d,s)
+#define ACPI_PHYSADDR_TO_PTR(i)         (void *)(i)
+#define ACPI_PTR_TO_PHYSADDR(i)         (UINT32) (char *)(i)
+#else
+#define ACPI_PHYSADDR_TO_PTR(i)         ACPI_TO_POINTER(i)
+#define ACPI_PTR_TO_PHYSADDR(i)         ACPI_TO_INTEGER(i)
+#endif
+
+/*
+ * Macros for moving data around to/from buffers that are possibly unaligned.
+ * If the hardware supports the transfer of unaligned data, just do the store.
+ * Otherwise, we have to move one byte at a time.
+ */
+
+#ifdef _HW_ALIGNMENT_SUPPORT
+
+/* The hardware supports unaligned transfers, just do the move */
+
+#define ACPI_MOVE_UNALIGNED16_TO_16(d,s)    *(UINT16 *)(void *)(d) = *(UINT16 *)(void *)(s)
+#define ACPI_MOVE_UNALIGNED32_TO_32(d,s)    *(UINT32 *)(void *)(d) = *(UINT32 *)(void *)(s)
+#define ACPI_MOVE_UNALIGNED16_TO_32(d,s)    *(UINT32 *)(void *)(d) = *(UINT16 *)(void *)(s)
+#define ACPI_MOVE_UNALIGNED64_TO_64(d,s)    *(UINT64 *)(void *)(d) = *(UINT64 *)(void *)(s)
+
+#else
+/*
+ * The hardware does not support unaligned transfers.  We must move the
+ * data one byte at a time.  These macros work whether the source or
+ * the destination (or both) is/are unaligned.
+ */
+
+#define ACPI_MOVE_UNALIGNED16_TO_16(d,s)    {((UINT8 *)(void *)(d))[0] = ((UINT8 *)(void *)(s))[0];\
+                                             ((UINT8 *)(void *)(d))[1] = ((UINT8 *)(void *)(s))[1];}
+
+#define ACPI_MOVE_UNALIGNED32_TO_32(d,s)    {((UINT8 *)(void *)(d))[0] = ((UINT8 *)(void *)(s))[0];\
+                                             ((UINT8 *)(void *)(d))[1] = ((UINT8 *)(void *)(s))[1];\
+                                             ((UINT8 *)(void *)(d))[2] = ((UINT8 *)(void *)(s))[2];\
+                                             ((UINT8 *)(void *)(d))[3] = ((UINT8 *)(void *)(s))[3];}
+
+#define ACPI_MOVE_UNALIGNED16_TO_32(d,s)    {(*(UINT32*)(void *)(d)) = 0; ACPI_MOVE_UNALIGNED16_TO_16(d,s);}
+
+#define ACPI_MOVE_UNALIGNED64_TO_64(d,s)    {((UINT8 *)(void *)(d))[0] = ((UINT8 *)(void *)(s))[0];\
+                                             ((UINT8 *)(void *)(d))[1] = ((UINT8 *)(void *)(s))[1];\
+                                             ((UINT8 *)(void *)(d))[2] = ((UINT8 *)(void *)(s))[2];\
+                                             ((UINT8 *)(void *)(d))[3] = ((UINT8 *)(void *)(s))[3];\
+                                             ((UINT8 *)(void *)(d))[4] = ((UINT8 *)(void *)(s))[4];\
+                                             ((UINT8 *)(void *)(d))[5] = ((UINT8 *)(void *)(s))[5];\
+                                             ((UINT8 *)(void *)(d))[6] = ((UINT8 *)(void *)(s))[6];\
+                                             ((UINT8 *)(void *)(d))[7] = ((UINT8 *)(void *)(s))[7];}
+
+#endif
+
+
+/*
+ * Fast power-of-two math macros for non-optimized compilers
+ */
+
+#define _ACPI_DIV(value,PowerOf2)       ((UINT32) ((value) >> (PowerOf2)))
+#define _ACPI_MUL(value,PowerOf2)       ((UINT32) ((value) << (PowerOf2)))
+#define _ACPI_MOD(value,Divisor)        ((UINT32) ((value) & ((Divisor) -1)))
+
+#define ACPI_DIV_2(a)                   _ACPI_DIV(a,1)
+#define ACPI_MUL_2(a)                   _ACPI_MUL(a,1)
+#define ACPI_MOD_2(a)                   _ACPI_MOD(a,2)
+
+#define ACPI_DIV_4(a)                   _ACPI_DIV(a,2)
+#define ACPI_MUL_4(a)                   _ACPI_MUL(a,2)
+#define ACPI_MOD_4(a)                   _ACPI_MOD(a,4)
+
+#define ACPI_DIV_8(a)                   _ACPI_DIV(a,3)
+#define ACPI_MUL_8(a)                   _ACPI_MUL(a,3)
+#define ACPI_MOD_8(a)                   _ACPI_MOD(a,8)
+
+#define ACPI_DIV_16(a)                  _ACPI_DIV(a,4)
+#define ACPI_MUL_16(a)                  _ACPI_MUL(a,4)
+#define ACPI_MOD_16(a)                  _ACPI_MOD(a,16)
+
+
+/*
+ * Rounding macros (Power of two boundaries only)
+ */
+#define ACPI_ROUND_DOWN(value,boundary)      (((NATIVE_UINT)(value)) & (~(((NATIVE_UINT) boundary)-1)))
+#define ACPI_ROUND_UP(value,boundary)        ((((NATIVE_UINT)(value)) + (((NATIVE_UINT) boundary)-1)) & (~(((NATIVE_UINT) boundary)-1)))
+
+#define ACPI_ROUND_DOWN_TO_32_BITS(a)        ACPI_ROUND_DOWN(a,4)
+#define ACPI_ROUND_DOWN_TO_64_BITS(a)        ACPI_ROUND_DOWN(a,8)
+#define ACPI_ROUND_DOWN_TO_NATIVE_WORD(a)    ACPI_ROUND_DOWN(a,ALIGNED_ADDRESS_BOUNDARY)
+
+#define ACPI_ROUND_UP_TO_32BITS(a)           ACPI_ROUND_UP(a,4)
+#define ACPI_ROUND_UP_TO_64BITS(a)           ACPI_ROUND_UP(a,8)
+#define ACPI_ROUND_UP_TO_NATIVE_WORD(a)      ACPI_ROUND_UP(a,ALIGNED_ADDRESS_BOUNDARY)
+
+
+#define ACPI_ROUND_BITS_UP_TO_BYTES(a)       ACPI_DIV_8((a) + 7)
+#define ACPI_ROUND_BITS_DOWN_TO_BYTES(a)     ACPI_DIV_8((a))
+
+#define ACPI_ROUND_UP_TO_1K(a)               (((a) + 1023) >> 10)
+
+/* Generic (non-power-of-two) rounding */
+
+#define ACPI_ROUND_UP_TO(value,boundary)     (((value) + ((boundary)-1)) / (boundary))
+
+/*
+ * Bitmask creation
+ * Bit positions start at zero.
+ * MASK_BITS_ABOVE creates a mask starting AT the position and above
+ * MASK_BITS_BELOW creates a mask starting one bit BELOW the position
+ */
+#define ACPI_MASK_BITS_ABOVE(position)       (~((ACPI_INTEGER_MAX) << ((UINT32) (position))))
+#define ACPI_MASK_BITS_BELOW(position)       ((ACPI_INTEGER_MAX) << ((UINT32) (position)))
+
+#define ACPI_IS_OCTAL_DIGIT(d)               (((char)(d) >= '0') && ((char)(d) <= '7'))
+
+/* Macros for GAS addressing */
+
+#if ACPI_MACHINE_WIDTH != 16
+
+#define ACPI_PCI_DEVICE_MASK            (UINT64) 0x0000FFFF00000000
+#define ACPI_PCI_FUNCTION_MASK          (UINT64) 0x00000000FFFF0000
+#define ACPI_PCI_REGISTER_MASK          (UINT64) 0x000000000000FFFF
+
+/*
+ * Obsolete
+ */
+
+/*
+#define ACPI_PCI_FUNCTION(a)            (UINT16) ((((UINT64)((UINT64)(a) & ACPI_PCI_FUNCTION_MASK)) >> 16))
+#define ACPI_PCI_DEVICE(a)              (UINT16) ((((UINT64)((UINT64)(a) & ACPI_PCI_DEVICE_MASK)) >> 32))
+#define ACPI_PCI_REGISTER(a)            (UINT16) (((UINT64)((UINT64)(a) & ACPI_PCI_REGISTER_MASK)))
+*/
+
+
+#define ACPI_PCI_DEVICE(a)              (UINT16) ((ACPI_HIDWORD ((a))) & 0x0000FFFF)
+#define ACPI_PCI_FUNCTION(a)            (UINT16) ((ACPI_LODWORD ((a))) >> 16)
+#define ACPI_PCI_REGISTER(a)            (UINT16) ((ACPI_LODWORD ((a))) & 0x0000FFFF)
+
+#else
+
+/* No support for GAS and PCI IDs in 16-bit mode  */
+
+#define ACPI_PCI_FUNCTION(a)            (UINT16) ((a) & 0xFFFF0000)
+#define ACPI_PCI_DEVICE(a)              (UINT16) ((a) & 0x0000FFFF)
+#define ACPI_PCI_REGISTER(a)            (UINT16) ((a) & 0x0000FFFF)
+
+#endif
+
+
+/* Bitfields within ACPI registers */
+
+#define ACPI_REGISTER_PREPARE_BITS(Val, Pos, Mask)      ((Val << Pos) & Mask)
+#define ACPI_REGISTER_INSERT_VALUE(Reg, Pos, Mask, Val)  Reg = (Reg & (~(Mask))) | ACPI_REGISTER_PREPARE_BITS(Val, Pos, Mask)
+
+/*
+ * An ACPI_NAMESPACE_NODE * can appear in some contexts,
+ * where a pointer to an ACPI_OPERAND_OBJECT  can also
+ * appear.  This macro is used to distinguish them.
+ *
+ * The "Descriptor" field is the first field in both structures.
+ */
+#define ACPI_GET_DESCRIPTOR_TYPE(d)     (((ACPI_DESCRIPTOR *)(void *)(d))->DescriptorId)
+#define ACPI_SET_DESCRIPTOR_TYPE(d,t)   (((ACPI_DESCRIPTOR *)(void *)(d))->DescriptorId = t)
+
+
+/* Macro to test the object type */
+
+#define ACPI_GET_OBJECT_TYPE(d)         (((ACPI_OPERAND_OBJECT *)(void *)(d))->Common.Type)
+
+/* Macro to check the table flags for SINGLE or MULTIPLE tables are allowed */
+
+#define ACPI_IS_SINGLE_TABLE(x)         (((x) & 0x01) == ACPI_TABLE_SINGLE ? 1 : 0)
+
+/*
+ * Macro to check if a pointer is within an ACPI table.
+ * Parameter (a) is the pointer to check.  Parameter (b) must be defined
+ * as a pointer to an ACPI_TABLE_HEADER.  (b+1) then points past the header,
+ * and ((UINT8 *)b+b->Length) points one byte past the end of the table.
+ */
+#if ACPI_MACHINE_WIDTH != 16
+#define ACPI_IS_IN_ACPI_TABLE(a,b)      (((UINT8 *)(a) >= (UINT8 *)(b + 1)) &&\
+                                         ((UINT8 *)(a) < ((UINT8 *)b + b->Length)))
+
+#else
+#define ACPI_IS_IN_ACPI_TABLE(a,b)      (_segment)(a) == (_segment)(b) &&\
+                                        (((UINT8 *)(a) >= (UINT8 *)(b + 1)) &&\
+                                        ((UINT8 *)(a) < ((UINT8 *)b + b->Length)))
+#endif
+
+/*
+ * Macros for the master AML opcode table
+ */
+#if defined(ACPI_DISASSEMBLER) || defined (ACPI_DEBUG_OUTPUT)
+#define ACPI_OP(Name,PArgs,IArgs,ObjType,Class,Type,Flags)     {Name,PArgs,IArgs,Flags,ObjType,Class,Type}
+#else
+#define ACPI_OP(Name,PArgs,IArgs,ObjType,Class,Type,Flags)     {PArgs,IArgs,Flags,ObjType,Class,Type}
+#endif
+
+#ifdef ACPI_DISASSEMBLER
+#define ACPI_DISASM_ONLY_MEMBERS(a)      a;
+#else
+#define ACPI_DISASM_ONLY_MEMBERS(a)
+#endif
+
+#define ARG_TYPE_WIDTH                  5
+#define ARG_1(x)                        ((UINT32)(x))
+#define ARG_2(x)                        ((UINT32)(x) << (1 * ARG_TYPE_WIDTH))
+#define ARG_3(x)                        ((UINT32)(x) << (2 * ARG_TYPE_WIDTH))
+#define ARG_4(x)                        ((UINT32)(x) << (3 * ARG_TYPE_WIDTH))
+#define ARG_5(x)                        ((UINT32)(x) << (4 * ARG_TYPE_WIDTH))
+#define ARG_6(x)                        ((UINT32)(x) << (5 * ARG_TYPE_WIDTH))
+
+#define ARGI_LIST1(a)                   (ARG_1(a))
+#define ARGI_LIST2(a,b)                 (ARG_1(b)|ARG_2(a))
+#define ARGI_LIST3(a,b,c)               (ARG_1(c)|ARG_2(b)|ARG_3(a))
+#define ARGI_LIST4(a,b,c,d)             (ARG_1(d)|ARG_2(c)|ARG_3(b)|ARG_4(a))
+#define ARGI_LIST5(a,b,c,d,e)           (ARG_1(e)|ARG_2(d)|ARG_3(c)|ARG_4(b)|ARG_5(a))
+#define ARGI_LIST6(a,b,c,d,e,f)         (ARG_1(f)|ARG_2(e)|ARG_3(d)|ARG_4(c)|ARG_5(b)|ARG_6(a))
+
+#define ARGP_LIST1(a)                   (ARG_1(a))
+#define ARGP_LIST2(a,b)                 (ARG_1(a)|ARG_2(b))
+#define ARGP_LIST3(a,b,c)               (ARG_1(a)|ARG_2(b)|ARG_3(c))
+#define ARGP_LIST4(a,b,c,d)             (ARG_1(a)|ARG_2(b)|ARG_3(c)|ARG_4(d))
+#define ARGP_LIST5(a,b,c,d,e)           (ARG_1(a)|ARG_2(b)|ARG_3(c)|ARG_4(d)|ARG_5(e))
+#define ARGP_LIST6(a,b,c,d,e,f)         (ARG_1(a)|ARG_2(b)|ARG_3(c)|ARG_4(d)|ARG_5(e)|ARG_6(f))
+
+#define GET_CURRENT_ARG_TYPE(List)      (List & ((UINT32) 0x1F))
+#define INCREMENT_ARG_LIST(List)        (List >>= ((UINT32) ARG_TYPE_WIDTH))
+
+
+/*
+ * Build a GAS structure from earlier ACPI table entries (V1.0 and 0.71 extensions)
+ *
+ * 1) Address space
+ * 2) Length in bytes -- convert to length in bits
+ * 3) Bit offset is zero
+ * 4) Reserved field is zero
+ * 5) Expand address to 64 bits
+ */
+#define ASL_BUILD_GAS_FROM_ENTRY(a,b,c,d)   {a.AddressSpaceId = (UINT8) d;\
+                                             a.RegisterBitWidth = (UINT8) ACPI_MUL_8 (b);\
+                                             a.RegisterBitOffset = 0;\
+                                             a.Reserved = 0;\
+                                             ACPI_STORE_ADDRESS (a.Address,(ACPI_PHYSICAL_ADDRESS) c);}
+
+/* ACPI V1.0 entries -- address space is always I/O */
+
+#define ASL_BUILD_GAS_FROM_V1_ENTRY(a,b,c)  ASL_BUILD_GAS_FROM_ENTRY(a,b,c,ACPI_ADR_SPACE_SYSTEM_IO)
+
+
+/*
+ * Reporting macros that are never compiled out
+ */
+
+#define ACPI_PARAM_LIST(pl)                  pl
+
+/*
+ * Error reporting.  These versions add callers module and line#.  Since
+ * _THIS_MODULE gets compiled out when ACPI_DEBUG_OUTPUT isn't defined, only
+ * use it in debug mode.
+ */
+
+#ifdef ACPI_DEBUG_OUTPUT
+
+#define ACPI_REPORT_INFO(fp)                {AcpiUtReportInfo(_THIS_MODULE,__LINE__,_COMPONENT); \
+                                                AcpiOsPrintf ACPI_PARAM_LIST(fp);}
+#define ACPI_REPORT_ERROR(fp)               {AcpiUtReportError(_THIS_MODULE,__LINE__,_COMPONENT); \
+                                                AcpiOsPrintf ACPI_PARAM_LIST(fp);}
+#define ACPI_REPORT_WARNING(fp)             {AcpiUtReportWarning(_THIS_MODULE,__LINE__,_COMPONENT); \
+                                                AcpiOsPrintf ACPI_PARAM_LIST(fp);}
+#define ACPI_REPORT_NSERROR(s,e)            AcpiNsReportError(_THIS_MODULE,__LINE__,_COMPONENT, s, e);
+
+#else
+
+#define ACPI_REPORT_INFO(fp)                {AcpiUtReportInfo("ACPI",__LINE__,_COMPONENT); \
+                                                AcpiOsPrintf ACPI_PARAM_LIST(fp);}
+#define ACPI_REPORT_ERROR(fp)               {AcpiUtReportError("ACPI",__LINE__,_COMPONENT); \
+                                                AcpiOsPrintf ACPI_PARAM_LIST(fp);}
+#define ACPI_REPORT_WARNING(fp)             {AcpiUtReportWarning("ACPI",__LINE__,_COMPONENT); \
+                                                AcpiOsPrintf ACPI_PARAM_LIST(fp);}
+#define ACPI_REPORT_NSERROR(s,e)            AcpiNsReportError("ACPI",__LINE__,_COMPONENT, s, e);
+
+#endif
+
+/* Error reporting.  These versions pass thru the module and line# */
+
+#define _ACPI_REPORT_INFO(a,b,c,fp)         {AcpiUtReportInfo(a,b,c); \
+                                                AcpiOsPrintf ACPI_PARAM_LIST(fp);}
+#define _ACPI_REPORT_ERROR(a,b,c,fp)        {AcpiUtReportError(a,b,c); \
+                                                AcpiOsPrintf ACPI_PARAM_LIST(fp);}
+#define _ACPI_REPORT_WARNING(a,b,c,fp)      {AcpiUtReportWarning(a,b,c); \
+                                                AcpiOsPrintf ACPI_PARAM_LIST(fp);}
+
+/*
+ * Debug macros that are conditionally compiled
+ */
+
+#ifdef ACPI_DEBUG_OUTPUT
+
+#define ACPI_MODULE_NAME(name)               static char *_THIS_MODULE = name;
+
+/*
+ * Function entry tracing.
+ * The first parameter should be the procedure name as a quoted string.  This is declared
+ * as a local string ("_ProcName) so that it can be also used by the function exit macros below.
+ */
+
+#define ACPI_FUNCTION_NAME(a)           ACPI_DEBUG_PRINT_INFO _Dbg;     \
+                                        _Dbg.ComponentId = _COMPONENT;  \
+                                        _Dbg.ProcName    = a;           \
+                                        _Dbg.ModuleName  = _THIS_MODULE;
+
+#define ACPI_FUNCTION_TRACE(a)          ACPI_FUNCTION_NAME(a)\
+                                            AcpiUtTrace(__LINE__,&_Dbg)
+#define ACPI_FUNCTION_TRACE_PTR(a,b)    ACPI_FUNCTION_NAME(a)\
+                                            AcpiUtTracePtr(__LINE__,&_Dbg,(void *)b)
+#define ACPI_FUNCTION_TRACE_U32(a,b)    ACPI_FUNCTION_NAME(a)\
+                                            AcpiUtTraceU32(__LINE__,&_Dbg,(UINT32)b)
+#define ACPI_FUNCTION_TRACE_STR(a,b)    ACPI_FUNCTION_NAME(a)\
+                                            AcpiUtTraceStr(__LINE__,&_Dbg,(NATIVE_CHAR *)b)
+
+#define ACPI_FUNCTION_ENTRY()           AcpiUtTrackStackPtr()
+
+/*
+ * Function exit tracing.
+ * WARNING: These macros include a return statement.  This is usually considered
+ * bad form, but having a separate exit macro is very ugly and difficult to maintain.
+ * One of the FUNCTION_TRACE macros above must be used in conjunction with these macros
+ * so that "_ProcName" is defined.
+ */
+#ifdef ACPI_USE_DO_WHILE_0
+#define ACPI_DO_WHILE0(a)               do a while(0)
+#else
+#define ACPI_DO_WHILE0(a)               a
+#endif
+
+#define return_VOID                     ACPI_DO_WHILE0 ({AcpiUtExit(__LINE__,&_Dbg);return;})
+#define return_ACPI_STATUS(s)           ACPI_DO_WHILE0 ({AcpiUtStatusExit(__LINE__,&_Dbg,(s));return((s));})
+#define return_VALUE(s)                 ACPI_DO_WHILE0 ({AcpiUtValueExit(__LINE__,&_Dbg,(ACPI_INTEGER)(s));return((s));})
+#define return_PTR(s)                   ACPI_DO_WHILE0 ({AcpiUtPtrExit(__LINE__,&_Dbg,(UINT8 *)(s));return((s));})
+
+/* Conditional execution */
+
+#define ACPI_DEBUG_EXEC(a)              a
+#define ACPI_NORMAL_EXEC(a)
+
+#define ACPI_DEBUG_DEFINE(a)            a;
+#define ACPI_DEBUG_ONLY_MEMBERS(a)      a;
+#define _VERBOSE_STRUCTURES
+
+
+/* Stack and buffer dumping */
+
+#define ACPI_DUMP_STACK_ENTRY(a)        AcpiExDumpOperand(a)
+#define ACPI_DUMP_OPERANDS(a,b,c,d,e)   AcpiExDumpOperands(a,b,c,d,e,_THIS_MODULE,__LINE__)
+
+
+#define ACPI_DUMP_ENTRY(a,b)            AcpiNsDumpEntry (a,b)
+#define ACPI_DUMP_TABLES(a,b)           AcpiNsDumpTables(a,b)
+#define ACPI_DUMP_PATHNAME(a,b,c,d)     (void) AcpiNsDumpPathname(a,b,c,d)
+#define ACPI_DUMP_RESOURCE_LIST(a)      AcpiRsDumpResourceList(a)
+#define ACPI_DUMP_BUFFER(a,b)           AcpiUtDumpBuffer((UINT8 *)a,b,DB_BYTE_DISPLAY,_COMPONENT)
+#define ACPI_BREAK_MSG(a)               AcpiOsSignal (ACPI_SIGNAL_BREAKPOINT,(a))
+
+
+/*
+ * Generate INT3 on ACPI_ERROR (Debug only!)
+ */
+
+#define ACPI_ERROR_BREAK
+#ifdef  ACPI_ERROR_BREAK
+#define ACPI_BREAK_ON_ERROR(lvl)        if ((lvl)&ACPI_ERROR) \
+                                            AcpiOsSignal(ACPI_SIGNAL_BREAKPOINT,"Fatal error encountered\n")
+#else
+#define ACPI_BREAK_ON_ERROR(lvl)
+#endif
+
+/*
+ * Master debug print macros
+ * Print iff:
+ *    1) Debug print for the current component is enabled
+ *    2) Debug error level or trace level for the print statement is enabled
+ */
+
+#define ACPI_DEBUG_PRINT(pl)            AcpiUtDebugPrint ACPI_PARAM_LIST(pl)
+#define ACPI_DEBUG_PRINT_RAW(pl)        AcpiUtDebugPrintRaw ACPI_PARAM_LIST(pl)
+
+
+#else
+/*
+ * This is the non-debug case -- make everything go away,
+ * leaving no executable debug code!
+ */
+
+#define ACPI_MODULE_NAME(name)
+#define _THIS_MODULE ""
+
+#define ACPI_DEBUG_EXEC(a)
+#define ACPI_NORMAL_EXEC(a)             a;
+
+#define ACPI_DEBUG_DEFINE(a)
+#define ACPI_DEBUG_ONLY_MEMBERS(a)
+#define ACPI_FUNCTION_NAME(a)
+#define ACPI_FUNCTION_TRACE(a)
+#define ACPI_FUNCTION_TRACE_PTR(a,b)
+#define ACPI_FUNCTION_TRACE_U32(a,b)
+#define ACPI_FUNCTION_TRACE_STR(a,b)
+#define ACPI_FUNCTION_EXIT
+#define ACPI_FUNCTION_STATUS_EXIT(s)
+#define ACPI_FUNCTION_VALUE_EXIT(s)
+#define ACPI_FUNCTION_ENTRY()
+#define ACPI_DUMP_STACK_ENTRY(a)
+#define ACPI_DUMP_OPERANDS(a,b,c,d,e)
+#define ACPI_DUMP_ENTRY(a,b)
+#define ACPI_DUMP_TABLES(a,b)
+#define ACPI_DUMP_PATHNAME(a,b,c,d)
+#define ACPI_DUMP_RESOURCE_LIST(a)
+#define ACPI_DUMP_BUFFER(a,b)
+#define ACPI_DEBUG_PRINT(pl)
+#define ACPI_DEBUG_PRINT_RAW(pl)
+#define ACPI_BREAK_MSG(a)
+
+#define return_VOID                     return
+#define return_ACPI_STATUS(s)           return(s)
+#define return_VALUE(s)                 return(s)
+#define return_PTR(s)                   return(s)
+
+#endif
+
+/*
+ * Some code only gets executed when the debugger is built in.
+ * Note that this is entirely independent of whether the
+ * DEBUG_PRINT stuff (set by ACPI_DEBUG_OUTPUT) is on, or not.
+ */
+#ifdef ACPI_DEBUGGER
+#define ACPI_DEBUGGER_EXEC(a)           a
+#else
+#define ACPI_DEBUGGER_EXEC(a)
+#endif
+
+
+/*
+ * For 16-bit code, we want to shrink some things even though
+ * we are using ACPI_DEBUG_OUTPUT to get the debug output
+ */
+#if ACPI_MACHINE_WIDTH == 16
+#undef ACPI_DEBUG_ONLY_MEMBERS
+#undef _VERBOSE_STRUCTURES
+#define ACPI_DEBUG_ONLY_MEMBERS(a)
+#endif
+
+
+#ifdef ACPI_DEBUG_OUTPUT
+/*
+ * 1) Set name to blanks
+ * 2) Copy the object name
+ */
+#define ACPI_ADD_OBJECT_NAME(a,b)       ACPI_MEMSET (a->Common.Name, ' ', sizeof (a->Common.Name));\
+                                        ACPI_STRNCPY (a->Common.Name, AcpiGbl_NsTypeNames[b], sizeof (a->Common.Name))
+#else
+
+#define ACPI_ADD_OBJECT_NAME(a,b)
+#endif
+
+
+/*
+ * Memory allocation tracking (DEBUG ONLY)
+ */
+
+#ifndef ACPI_DBG_TRACK_ALLOCATIONS
+
+/* Memory allocation */
+
+#define ACPI_MEM_ALLOCATE(a)            AcpiUtAllocate((ACPI_SIZE)(a),_COMPONENT,_THIS_MODULE,__LINE__)
+#define ACPI_MEM_CALLOCATE(a)           AcpiUtCallocate((ACPI_SIZE)(a), _COMPONENT,_THIS_MODULE,__LINE__)
+#define ACPI_MEM_FREE(a)                AcpiOsFree(a)
+#define ACPI_MEM_TRACKING(a)
+
+
+#else
+
+/* Memory allocation */
+
+#define ACPI_MEM_ALLOCATE(a)            AcpiUtAllocateAndTrack((ACPI_SIZE)(a),_COMPONENT,_THIS_MODULE,__LINE__)
+#define ACPI_MEM_CALLOCATE(a)           AcpiUtCallocateAndTrack((ACPI_SIZE)(a), _COMPONENT,_THIS_MODULE,__LINE__)
+#define ACPI_MEM_FREE(a)                AcpiUtFreeAndTrack(a,_COMPONENT,_THIS_MODULE,__LINE__)
+#define ACPI_MEM_TRACKING(a)            a
+
+#endif /* ACPI_DBG_TRACK_ALLOCATIONS */
+
+
+#define ACPI_GET_STACK_POINTER          _asm {mov eax, ebx}
+
+#endif /* ACMACROS_H */
diff --git a/sys/contrib/dev/acpica/acnamesp.h b/sys/contrib/dev/acpica/acnamesp.h
new file mode 100644
index 0000000..d38183d
--- /dev/null
+++ b/sys/contrib/dev/acpica/acnamesp.h
@@ -0,0 +1,566 @@
+/******************************************************************************
+ *
+ * Name: acnamesp.h - Namespace subcomponent prototypes and defines
+ *       $Revision: 129 $
+ *
+ *****************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+#ifndef __ACNAMESP_H__
+#define __ACNAMESP_H__
+
+
+/* To search the entire name space, pass this as SearchBase */
+
+#define ACPI_NS_ALL                 ((ACPI_HANDLE)0)
+
+/*
+ * Elements of AcpiNsProperties are bit significant
+ * and should be one-to-one with values of ACPI_OBJECT_TYPE
+ */
+#define ACPI_NS_NORMAL              0
+#define ACPI_NS_NEWSCOPE            1   /* a definition of this type opens a name scope */
+#define ACPI_NS_LOCAL               2   /* suppress search of enclosing scopes */
+
+
+/* Definitions of the predefined namespace names  */
+
+#define ACPI_UNKNOWN_NAME           (UINT32) 0x3F3F3F3F     /* Unknown name is  "????" */
+#define ACPI_ROOT_NAME              (UINT32) 0x5F5F5F5C     /* Root name is     "\___" */
+#define ACPI_SYS_BUS_NAME           (UINT32) 0x5F53425F     /* Sys bus name is  "_SB_" */
+
+#define ACPI_NS_ROOT_PATH           "\\"
+#define ACPI_NS_SYSTEM_BUS          "_SB_"
+
+
+/* Flags for AcpiNsLookup, AcpiNsSearchAndEnter */
+
+#define ACPI_NS_NO_UPSEARCH         0
+#define ACPI_NS_SEARCH_PARENT       0x01
+#define ACPI_NS_DONT_OPEN_SCOPE     0x02
+#define ACPI_NS_NO_PEER_SEARCH      0x04
+#define ACPI_NS_ERROR_IF_FOUND      0x08
+
+#define ACPI_NS_WALK_UNLOCK         TRUE
+#define ACPI_NS_WALK_NO_UNLOCK      FALSE
+
+
+ACPI_STATUS
+AcpiNsLoadNamespace (
+    void);
+
+ACPI_STATUS
+AcpiNsInitializeObjects (
+    void);
+
+ACPI_STATUS
+AcpiNsInitializeDevices (
+    void);
+
+
+/* Namespace init - nsxfinit */
+
+ACPI_STATUS
+AcpiNsInitOneDevice (
+    ACPI_HANDLE             ObjHandle,
+    UINT32                  NestingLevel,
+    void                    *Context,
+    void                    **ReturnValue);
+
+ACPI_STATUS
+AcpiNsInitOneObject (
+    ACPI_HANDLE             ObjHandle,
+    UINT32                  Level,
+    void                    *Context,
+    void                    **ReturnValue);
+
+
+ACPI_STATUS
+AcpiNsWalkNamespace (
+    ACPI_OBJECT_TYPE        Type,
+    ACPI_HANDLE             StartObject,
+    UINT32                  MaxDepth,
+    BOOLEAN                 UnlockBeforeCallback,
+    ACPI_WALK_CALLBACK      UserFunction,
+    void                    *Context,
+    void                    **ReturnValue);
+
+ACPI_NAMESPACE_NODE *
+AcpiNsGetNextNode (
+    ACPI_OBJECT_TYPE        Type,
+    ACPI_NAMESPACE_NODE     *Parent,
+    ACPI_NAMESPACE_NODE     *Child);
+
+void
+AcpiNsDeleteNamespaceByOwner (
+    UINT16                  TableId);
+
+
+/* Namespace loading - nsload */
+
+ACPI_STATUS
+AcpiNsOneCompleteParse (
+    UINT32                  PassNumber,
+    ACPI_TABLE_DESC         *TableDesc);
+
+ACPI_STATUS
+AcpiNsParseTable (
+    ACPI_TABLE_DESC         *TableDesc,
+    ACPI_NAMESPACE_NODE     *Scope);
+
+ACPI_STATUS
+AcpiNsLoadTable (
+    ACPI_TABLE_DESC         *TableDesc,
+    ACPI_NAMESPACE_NODE     *Node);
+
+ACPI_STATUS
+AcpiNsLoadTableByType (
+    ACPI_TABLE_TYPE         TableType);
+
+
+/*
+ * Top-level namespace access - nsaccess
+ */
+
+ACPI_STATUS
+AcpiNsRootInitialize (
+    void);
+
+ACPI_STATUS
+AcpiNsLookup (
+    ACPI_GENERIC_STATE      *ScopeInfo,
+    NATIVE_CHAR             *Name,
+    ACPI_OBJECT_TYPE        Type,
+    ACPI_INTERPRETER_MODE   InterpreterMode,
+    UINT32                  Flags,
+    ACPI_WALK_STATE         *WalkState,
+    ACPI_NAMESPACE_NODE     **RetNode);
+
+
+/*
+ * Named object allocation/deallocation - nsalloc
+ */
+
+ACPI_NAMESPACE_NODE *
+AcpiNsCreateNode (
+    UINT32                  Name);
+
+void
+AcpiNsDeleteNode (
+    ACPI_NAMESPACE_NODE     *Node);
+
+void
+AcpiNsDeleteNamespaceSubtree (
+    ACPI_NAMESPACE_NODE     *ParentHandle);
+
+void
+AcpiNsDetachObject (
+    ACPI_NAMESPACE_NODE     *Node);
+
+void
+AcpiNsDeleteChildren (
+    ACPI_NAMESPACE_NODE     *Parent);
+
+int
+AcpiNsCompareNames (
+    char                    *Name1,
+    char                    *Name2);
+
+/*
+ * Namespace modification - nsmodify
+ */
+
+ACPI_STATUS
+AcpiNsUnloadNamespace (
+    ACPI_HANDLE             Handle);
+
+ACPI_STATUS
+AcpiNsDeleteSubtree (
+    ACPI_HANDLE             StartHandle);
+
+
+/*
+ * Namespace dump/print utilities - nsdump
+ */
+
+void
+AcpiNsDumpTables (
+    ACPI_HANDLE             SearchBase,
+    UINT32                  MaxDepth);
+
+void
+AcpiNsDumpEntry (
+    ACPI_HANDLE             Handle,
+    UINT32                  DebugLevel);
+
+ACPI_STATUS
+AcpiNsDumpPathname (
+    ACPI_HANDLE             Handle,
+    NATIVE_CHAR             *Msg,
+    UINT32                  Level,
+    UINT32                  Component);
+
+void
+AcpiNsPrintPathname (
+    UINT32                  NumSegments,
+    char                    *Pathname);
+
+ACPI_STATUS
+AcpiNsDumpOneDevice (
+    ACPI_HANDLE             ObjHandle,
+    UINT32                  Level,
+    void                    *Context,
+    void                    **ReturnValue);
+
+void
+AcpiNsDumpRootDevices (
+    void);
+
+ACPI_STATUS
+AcpiNsDumpOneObject (
+    ACPI_HANDLE             ObjHandle,
+    UINT32                  Level,
+    void                    *Context,
+    void                    **ReturnValue);
+
+void
+AcpiNsDumpObjects (
+    ACPI_OBJECT_TYPE        Type,
+    UINT8                   DisplayType,
+    UINT32                  MaxDepth,
+    UINT32                  OwnderId,
+    ACPI_HANDLE             StartHandle);
+
+
+/*
+ * Namespace evaluation functions - nseval
+ */
+
+ACPI_STATUS
+AcpiNsEvaluateByHandle (
+    ACPI_NAMESPACE_NODE     *PrefixNode,
+    ACPI_OPERAND_OBJECT     **Params,
+    ACPI_OPERAND_OBJECT     **ReturnObject);
+
+ACPI_STATUS
+AcpiNsEvaluateByName (
+    NATIVE_CHAR             *Pathname,
+    ACPI_OPERAND_OBJECT     **Params,
+    ACPI_OPERAND_OBJECT     **ReturnObject);
+
+ACPI_STATUS
+AcpiNsEvaluateRelative (
+    ACPI_NAMESPACE_NODE     *PrefixNode,
+    NATIVE_CHAR             *Pathname,
+    ACPI_OPERAND_OBJECT     **Params,
+    ACPI_OPERAND_OBJECT     **ReturnObject);
+
+ACPI_STATUS
+AcpiNsExecuteControlMethod (
+    ACPI_NAMESPACE_NODE     *MethodNode,
+    ACPI_OPERAND_OBJECT     **Params,
+    ACPI_OPERAND_OBJECT     **ReturnObjDesc);
+
+ACPI_STATUS
+AcpiNsGetObjectValue (
+    ACPI_NAMESPACE_NODE     *ObjectNode,
+    ACPI_OPERAND_OBJECT     **ReturnObjDesc);
+
+
+/*
+ * Parent/Child/Peer utility functions
+ */
+
+ACPI_NAME
+AcpiNsFindParentName (
+    ACPI_NAMESPACE_NODE     *NodeToSearch);
+
+
+/*
+ * Name and Scope manipulation - nsnames
+ */
+
+UINT32
+AcpiNsOpensScope (
+    ACPI_OBJECT_TYPE        Type);
+
+void
+AcpiNsBuildExternalPath (
+    ACPI_NAMESPACE_NODE     *Node,
+    ACPI_SIZE               Size,
+    NATIVE_CHAR             *NameBuffer);
+
+NATIVE_CHAR *
+AcpiNsGetExternalPathname (
+    ACPI_NAMESPACE_NODE     *Node);
+
+NATIVE_CHAR *
+AcpiNsNameOfCurrentScope (
+    ACPI_WALK_STATE         *WalkState);
+
+ACPI_STATUS
+AcpiNsHandleToPathname (
+    ACPI_HANDLE             TargetHandle,
+    ACPI_BUFFER             *Buffer);
+
+BOOLEAN
+AcpiNsPatternMatch (
+    ACPI_NAMESPACE_NODE     *ObjNode,
+    NATIVE_CHAR             *SearchFor);
+
+ACPI_STATUS
+AcpiNsGetNodeByPath (
+    NATIVE_CHAR             *ExternalPathname,
+    ACPI_NAMESPACE_NODE     *InPrefixNode,
+    UINT32                  Flags,
+    ACPI_NAMESPACE_NODE     **OutNode);
+
+ACPI_SIZE
+AcpiNsGetPathnameLength (
+    ACPI_NAMESPACE_NODE     *Node);
+
+
+/*
+ * Object management for namespace nodes - nsobject
+ */
+
+ACPI_STATUS
+AcpiNsAttachObject (
+    ACPI_NAMESPACE_NODE     *Node,
+    ACPI_OPERAND_OBJECT     *Object,
+    ACPI_OBJECT_TYPE        Type);
+
+ACPI_OPERAND_OBJECT *
+AcpiNsGetAttachedObject (
+    ACPI_NAMESPACE_NODE     *Node);
+
+ACPI_OPERAND_OBJECT *
+AcpiNsGetSecondaryObject (
+    ACPI_OPERAND_OBJECT     *ObjDesc);
+
+ACPI_STATUS
+AcpiNsAttachData (
+    ACPI_NAMESPACE_NODE     *Node,
+    ACPI_OBJECT_HANDLER     Handler,
+    void                    *Data);
+
+ACPI_STATUS
+AcpiNsDetachData (
+    ACPI_NAMESPACE_NODE     *Node,
+    ACPI_OBJECT_HANDLER     Handler);
+
+ACPI_STATUS
+AcpiNsGetAttachedData (
+    ACPI_NAMESPACE_NODE     *Node,
+    ACPI_OBJECT_HANDLER     Handler,
+    void                    **Data);
+
+
+/*
+ * Namespace searching and entry - nssearch
+ */
+
+ACPI_STATUS
+AcpiNsSearchAndEnter (
+    UINT32                  EntryName,
+    ACPI_WALK_STATE         *WalkState,
+    ACPI_NAMESPACE_NODE     *Node,
+    ACPI_INTERPRETER_MODE   InterpreterMode,
+    ACPI_OBJECT_TYPE        Type,
+    UINT32                  Flags,
+    ACPI_NAMESPACE_NODE     **RetNode);
+
+ACPI_STATUS
+AcpiNsSearchNode (
+    UINT32                  EntryName,
+    ACPI_NAMESPACE_NODE     *Node,
+    ACPI_OBJECT_TYPE        Type,
+    ACPI_NAMESPACE_NODE     **RetNode);
+
+void
+AcpiNsInstallNode (
+    ACPI_WALK_STATE         *WalkState,
+    ACPI_NAMESPACE_NODE     *ParentNode,
+    ACPI_NAMESPACE_NODE     *Node,
+    ACPI_OBJECT_TYPE        Type);
+
+
+/*
+ * Utility functions - nsutils
+ */
+
+BOOLEAN
+AcpiNsValidRootPrefix (
+    NATIVE_CHAR             Prefix);
+
+BOOLEAN
+AcpiNsValidPathSeparator (
+    NATIVE_CHAR             Sep);
+
+ACPI_OBJECT_TYPE
+AcpiNsGetType (
+    ACPI_NAMESPACE_NODE     *Node);
+
+UINT32
+AcpiNsLocal (
+    ACPI_OBJECT_TYPE        Type);
+
+void
+AcpiNsReportError (
+    NATIVE_CHAR             *ModuleName,
+    UINT32                  LineNumber,
+    UINT32                  ComponentId,
+    char                    *InternalName,
+    ACPI_STATUS             LookupStatus);
+
+ACPI_STATUS
+AcpiNsBuildInternalName (
+    ACPI_NAMESTRING_INFO    *Info);
+
+void
+AcpiNsGetInternalNameLength (
+    ACPI_NAMESTRING_INFO    *Info);
+
+ACPI_STATUS
+AcpiNsInternalizeName (
+    NATIVE_CHAR             *DottedName,
+    NATIVE_CHAR             **ConvertedName);
+
+ACPI_STATUS
+AcpiNsExternalizeName (
+    UINT32                  InternalNameLength,
+    NATIVE_CHAR             *InternalName,
+    UINT32                  *ConvertedNameLength,
+    NATIVE_CHAR             **ConvertedName);
+
+ACPI_NAMESPACE_NODE *
+AcpiNsMapHandleToNode (
+    ACPI_HANDLE             Handle);
+
+ACPI_HANDLE
+AcpiNsConvertEntryToHandle(
+    ACPI_NAMESPACE_NODE     *Node);
+
+void
+AcpiNsTerminate (
+    void);
+
+ACPI_NAMESPACE_NODE *
+AcpiNsGetParentNode (
+    ACPI_NAMESPACE_NODE     *Node);
+
+
+ACPI_NAMESPACE_NODE *
+AcpiNsGetNextValidNode (
+    ACPI_NAMESPACE_NODE     *Node);
+
+
+#endif /* __ACNAMESP_H__ */
diff --git a/sys/contrib/dev/acpica/acobject.h b/sys/contrib/dev/acpica/acobject.h
new file mode 100644
index 0000000..566758d
--- /dev/null
+++ b/sys/contrib/dev/acpica/acobject.h
@@ -0,0 +1,614 @@
+
+/******************************************************************************
+ *
+ * Name: acobject.h - Definition of ACPI_OPERAND_OBJECT  (Internal object only)
+ *       $Revision: 114 $
+ *
+ *****************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+#ifndef _ACOBJECT_H
+#define _ACOBJECT_H
+
+
+/*
+ * The ACPI_OPERAND_OBJECT  is used to pass AML operands from the dispatcher
+ * to the interpreter, and to keep track of the various handlers such as
+ * address space handlers and notify handlers.  The object is a constant
+ * size in order to allow it to be cached and reused.
+ */
+
+/*******************************************************************************
+ *
+ * Common Descriptors
+ *
+ ******************************************************************************/
+
+/*
+ * Common area for all objects.
+ *
+ * DataType is used to differentiate between internal descriptors, and MUST
+ * be the first byte in this structure.
+ */
+#define ACPI_OBJECT_COMMON_HEADER           /* SIZE/ALIGNMENT: 32 bits, one ptr plus trailing 8-bit flag */\
+    UINT8                       Descriptor;         /* To differentiate various internal objs */\
+    UINT8                       Type;               /* ACPI_OBJECT_TYPE */\
+    UINT16                      ReferenceCount;     /* For object deletion management */\
+    union acpi_operand_obj      *NextObject;        /* Objects linked to parent NS node */\
+    UINT8                       Flags; \
+
+/* Values for flag byte above */
+
+#define AOPOBJ_AML_CONSTANT         0x01
+#define AOPOBJ_STATIC_POINTER       0x02
+#define AOPOBJ_DATA_VALID           0x04
+#define AOPOBJ_OBJECT_INITIALIZED   0x08
+#define AOPOBJ_SETUP_COMPLETE       0x10
+#define AOPOBJ_SINGLE_DATUM         0x20
+
+
+/*
+ * Common bitfield for the field objects
+ * "Field Datum"  -- a datum from the actual field object
+ * "Buffer Datum" -- a datum from a user buffer, read from or to be written to the field
+ */
+#define ACPI_COMMON_FIELD_INFO              /* SIZE/ALIGNMENT: 24 bits + three 32-bit values */\
+    UINT8                       FieldFlags;         /* Access, update, and lock bits */\
+    UINT8                       Attribute;          /* From AccessAs keyword */\
+    UINT8                       AccessByteWidth;    /* Read/Write size in bytes */\
+    UINT32                      BitLength;          /* Length of field in bits */\
+    UINT32                      BaseByteOffset;     /* Byte offset within containing object */\
+    UINT8                       StartFieldBitOffset;/* Bit offset within first field datum (0-63) */\
+    UINT8                       DatumValidBits;     /* Valid bit in first "Field datum" */\
+    UINT8                       EndFieldValidBits;  /* Valid bits in the last "field datum" */\
+    UINT8                       EndBufferValidBits; /* Valid bits in the last "buffer datum" */\
+    UINT32                      Value;              /* Value to store into the Bank or Index register */\
+    ACPI_NAMESPACE_NODE         *Node;              /* Link back to parent node */
+
+
+/*
+ * Fields common to both Strings and Buffers
+ */
+#define ACPI_COMMON_BUFFER_INFO \
+    UINT32                      Length;
+
+
+/*
+ * Common fields for objects that support ASL notifications
+ */
+#define ACPI_COMMON_NOTIFY_INFO \
+    union acpi_operand_obj      *SysHandler;         /* Handler for system notifies */\
+    union acpi_operand_obj      *DrvHandler;         /* Handler for driver notifies */\
+    union acpi_operand_obj      *AddrHandler;        /* Handler for Address space */
+
+
+/******************************************************************************
+ *
+ * Basic data types
+ *
+ *****************************************************************************/
+
+typedef struct AcpiObjectCommon
+{
+    ACPI_OBJECT_COMMON_HEADER
+
+} ACPI_OBJECT_COMMON;
+
+
+typedef struct AcpiObjectInteger
+{
+    ACPI_OBJECT_COMMON_HEADER
+
+    ACPI_INTEGER                Value;
+
+} ACPI_OBJECT_INTEGER;
+
+
+typedef struct AcpiObjectString                     /* Null terminated, ASCII characters only */
+{
+    ACPI_OBJECT_COMMON_HEADER
+    ACPI_COMMON_BUFFER_INFO
+    NATIVE_CHAR                 *Pointer;           /* String in AML stream or allocated string */
+
+} ACPI_OBJECT_STRING;
+
+
+typedef struct AcpiObjectBuffer
+{
+    ACPI_OBJECT_COMMON_HEADER
+    ACPI_COMMON_BUFFER_INFO
+    UINT8                       *Pointer;           /* Buffer in AML stream or allocated buffer */
+    ACPI_NAMESPACE_NODE         *Node;              /* Link back to parent node */
+    UINT8                       *AmlStart;
+    UINT32                      AmlLength;
+
+} ACPI_OBJECT_BUFFER;
+
+
+typedef struct AcpiObjectPackage
+{
+    ACPI_OBJECT_COMMON_HEADER
+
+    UINT32                      Count;              /* # of elements in package */
+    UINT32                      AmlLength;
+    UINT8                       *AmlStart;
+    ACPI_NAMESPACE_NODE         *Node;              /* Link back to parent node */
+    union acpi_operand_obj      **Elements;         /* Array of pointers to AcpiObjects */
+
+} ACPI_OBJECT_PACKAGE;
+
+
+/******************************************************************************
+ *
+ * Complex data types
+ *
+ *****************************************************************************/
+
+typedef struct AcpiObjectEvent
+{
+    ACPI_OBJECT_COMMON_HEADER
+    void                        *Semaphore;
+
+} ACPI_OBJECT_EVENT;
+
+
+#define INFINITE_CONCURRENCY        0xFF
+
+typedef struct AcpiObjectMethod
+{
+    ACPI_OBJECT_COMMON_HEADER
+    UINT8                       MethodFlags;
+    UINT8                       ParamCount;
+
+    UINT32                      AmlLength;
+
+    void                        *Semaphore;
+    UINT8                       *AmlStart;
+
+    UINT8                       Concurrency;
+    UINT8                       ThreadCount;
+    ACPI_OWNER_ID               OwningId;
+
+} ACPI_OBJECT_METHOD;
+
+
+typedef struct AcpiObjectMutex
+{
+    ACPI_OBJECT_COMMON_HEADER
+    UINT16                      SyncLevel;
+    UINT16                      AcquisitionDepth;
+
+    struct acpi_thread_state    *OwnerThread;
+    void                        *Semaphore;
+    union acpi_operand_obj      *Prev;              /* Link for list of acquired mutexes */
+    union acpi_operand_obj      *Next;              /* Link for list of acquired mutexes */
+    ACPI_NAMESPACE_NODE         *Node;              /* containing object */
+
+} ACPI_OBJECT_MUTEX;
+
+
+typedef struct AcpiObjectRegion
+{
+    ACPI_OBJECT_COMMON_HEADER
+
+    UINT8                       SpaceId;
+
+    union acpi_operand_obj      *AddrHandler;       /* Handler for system notifies */
+    ACPI_NAMESPACE_NODE         *Node;              /* containing object */
+    union acpi_operand_obj      *Next;
+    UINT32                      Length;
+    ACPI_PHYSICAL_ADDRESS       Address;
+
+} ACPI_OBJECT_REGION;
+
+
+/******************************************************************************
+ *
+ * Objects that can be notified.  All share a common NotifyInfo area.
+ *
+ *****************************************************************************/
+
+typedef struct AcpiObjectNotifyCommon               /* COMMON NOTIFY for POWER, PROCESSOR, DEVICE, and THERMAL */
+{
+    ACPI_OBJECT_COMMON_HEADER
+    ACPI_COMMON_NOTIFY_INFO
+
+} ACPI_OBJECT_NOTIFY_COMMON;
+
+
+typedef struct AcpiObjectDevice
+{
+    ACPI_OBJECT_COMMON_HEADER
+    ACPI_COMMON_NOTIFY_INFO
+
+} ACPI_OBJECT_DEVICE;
+
+
+typedef struct AcpiObjectPowerResource
+{
+    ACPI_OBJECT_COMMON_HEADER
+    ACPI_COMMON_NOTIFY_INFO
+
+    UINT32                      SystemLevel;
+    UINT32                      ResourceOrder;
+
+} ACPI_OBJECT_POWER_RESOURCE;
+
+
+typedef struct AcpiObjectProcessor
+{
+    ACPI_OBJECT_COMMON_HEADER
+    ACPI_COMMON_NOTIFY_INFO
+
+    UINT32                      ProcId;
+    UINT32                      Length;
+    ACPI_IO_ADDRESS             Address;
+
+} ACPI_OBJECT_PROCESSOR;
+
+
+typedef struct AcpiObjectThermalZone
+{
+    ACPI_OBJECT_COMMON_HEADER
+    ACPI_COMMON_NOTIFY_INFO
+
+
+} ACPI_OBJECT_THERMAL_ZONE;
+
+
+/******************************************************************************
+ *
+ * Fields.  All share a common header/info field.
+ *
+ *****************************************************************************/
+
+typedef struct AcpiObjectFieldCommon                /* COMMON FIELD (for BUFFER, REGION, BANK, and INDEX fields) */
+{
+    ACPI_OBJECT_COMMON_HEADER
+    ACPI_COMMON_FIELD_INFO
+    union acpi_operand_obj      *RegionObj;         /* Containing Operation Region object */
+                                                    /* (REGION/BANK fields only) */
+} ACPI_OBJECT_FIELD_COMMON;
+
+
+typedef struct AcpiObjectRegionField
+{
+    ACPI_OBJECT_COMMON_HEADER
+    ACPI_COMMON_FIELD_INFO
+    union acpi_operand_obj      *RegionObj;         /* Containing OpRegion object */
+
+} ACPI_OBJECT_REGION_FIELD;
+
+
+typedef struct AcpiObjectBankField
+{
+    ACPI_OBJECT_COMMON_HEADER
+    ACPI_COMMON_FIELD_INFO
+
+    union acpi_operand_obj      *RegionObj;         /* Containing OpRegion object */
+    union acpi_operand_obj      *BankObj;           /* BankSelect Register object */
+
+} ACPI_OBJECT_BANK_FIELD;
+
+
+typedef struct AcpiObjectIndexField
+{
+    ACPI_OBJECT_COMMON_HEADER
+    ACPI_COMMON_FIELD_INFO
+
+    /*
+     * No "RegionObj" pointer needed since the Index and Data registers
+     * are each field definitions unto themselves.
+     */
+    union acpi_operand_obj      *IndexObj;          /* Index register */
+    union acpi_operand_obj      *DataObj;           /* Data register */
+
+
+} ACPI_OBJECT_INDEX_FIELD;
+
+
+/* The BufferField is different in that it is part of a Buffer, not an OpRegion */
+
+typedef struct AcpiObjectBufferField
+{
+    ACPI_OBJECT_COMMON_HEADER
+    ACPI_COMMON_FIELD_INFO
+
+    union acpi_operand_obj      *BufferObj;         /* Containing Buffer object */
+
+} ACPI_OBJECT_BUFFER_FIELD;
+
+
+/******************************************************************************
+ *
+ * Objects for handlers
+ *
+ *****************************************************************************/
+
+typedef struct AcpiObjectNotifyHandler
+{
+    ACPI_OBJECT_COMMON_HEADER
+
+    ACPI_NAMESPACE_NODE         *Node;               /* Parent device */
+    ACPI_NOTIFY_HANDLER         Handler;
+    void                        *Context;
+
+} ACPI_OBJECT_NOTIFY_HANDLER;
+
+
+/* Flags for address handler */
+
+#define ACPI_ADDR_HANDLER_DEFAULT_INSTALLED  0x1
+
+
+typedef struct AcpiObjectAddrHandler
+{
+    ACPI_OBJECT_COMMON_HEADER
+
+    UINT8                       SpaceId;
+    UINT16                      Hflags;
+    ACPI_ADR_SPACE_HANDLER      Handler;
+
+    ACPI_NAMESPACE_NODE         *Node;              /* Parent device */
+    void                        *Context;
+    ACPI_ADR_SPACE_SETUP        Setup;
+    union acpi_operand_obj      *RegionList;        /* regions using this handler */
+    union acpi_operand_obj      *Next;
+
+} ACPI_OBJECT_ADDR_HANDLER;
+
+
+/******************************************************************************
+ *
+ * Special internal objects
+ *
+ *****************************************************************************/
+
+/*
+ * The Reference object type is used for these opcodes:
+ * Arg[0-6], Local[0-7], IndexOp, NameOp, ZeroOp, OneOp, OnesOp, DebugOp
+ */
+typedef struct AcpiObjectReference
+{
+    ACPI_OBJECT_COMMON_HEADER
+
+    UINT8                       TargetType;         /* Used for IndexOp */
+    UINT16                      Opcode;
+    UINT32                      Offset;             /* Used for ArgOp, LocalOp, and IndexOp */
+
+    void                        *Object;            /* NameOp=>HANDLE to obj, IndexOp=>ACPI_OPERAND_OBJECT  */
+    ACPI_NAMESPACE_NODE         *Node;
+    union acpi_operand_obj      **Where;
+
+} ACPI_OBJECT_REFERENCE;
+
+
+/*
+ * Extra object is used as additional storage for types that
+ * have AML code in their declarations (TermArgs) that must be
+ * evaluated at run time.
+ *
+ * Currently: Region and FieldUnit types
+ */
+typedef struct AcpiObjectExtra
+{
+    ACPI_OBJECT_COMMON_HEADER
+    UINT8                       ByteFill1;
+    UINT16                      WordFill1;
+    UINT32                      AmlLength;
+    UINT8                       *AmlStart;
+    ACPI_NAMESPACE_NODE         *Method_REG;        /* _REG method for this region (if any) */
+    void                        *RegionContext;     /* Region-specific data */
+
+} ACPI_OBJECT_EXTRA;
+
+
+/* Additional data that can be attached to namespace nodes */
+
+typedef struct AcpiObjectData
+{
+    ACPI_OBJECT_COMMON_HEADER
+    ACPI_OBJECT_HANDLER         Handler;
+    void                        *Pointer;
+
+} ACPI_OBJECT_DATA;
+
+
+/* Structure used when objects are cached for reuse */
+
+typedef struct AcpiObjectCacheList
+{
+    ACPI_OBJECT_COMMON_HEADER
+    union acpi_operand_obj      *Next;              /* Link for object cache and internal lists*/
+
+} ACPI_OBJECT_CACHE_LIST;
+
+
+/******************************************************************************
+ *
+ * ACPI_OPERAND_OBJECT Descriptor - a giant union of all of the above
+ *
+ *****************************************************************************/
+
+typedef union acpi_operand_obj
+{
+    ACPI_OBJECT_COMMON          Common;
+
+    ACPI_OBJECT_INTEGER         Integer;
+    ACPI_OBJECT_STRING          String;
+    ACPI_OBJECT_BUFFER          Buffer;
+    ACPI_OBJECT_PACKAGE         Package;
+
+    ACPI_OBJECT_EVENT           Event;
+    ACPI_OBJECT_METHOD          Method;
+    ACPI_OBJECT_MUTEX           Mutex;
+    ACPI_OBJECT_REGION          Region;
+
+    ACPI_OBJECT_NOTIFY_COMMON   CommonNotify;
+    ACPI_OBJECT_DEVICE          Device;
+    ACPI_OBJECT_POWER_RESOURCE  PowerResource;
+    ACPI_OBJECT_PROCESSOR       Processor;
+    ACPI_OBJECT_THERMAL_ZONE    ThermalZone;
+
+    ACPI_OBJECT_FIELD_COMMON    CommonField;
+    ACPI_OBJECT_REGION_FIELD    Field;
+    ACPI_OBJECT_BUFFER_FIELD    BufferField;
+    ACPI_OBJECT_BANK_FIELD      BankField;
+    ACPI_OBJECT_INDEX_FIELD     IndexField;
+
+    ACPI_OBJECT_NOTIFY_HANDLER  NotifyHandler;
+    ACPI_OBJECT_ADDR_HANDLER    AddrHandler;
+
+    ACPI_OBJECT_REFERENCE       Reference;
+    ACPI_OBJECT_EXTRA           Extra;
+    ACPI_OBJECT_DATA            Data;
+    ACPI_OBJECT_CACHE_LIST      Cache;
+
+} ACPI_OPERAND_OBJECT;
+
+
+/******************************************************************************
+ *
+ * ACPI_DESCRIPTOR - objects that share a common descriptor identifier
+ *
+ *****************************************************************************/
+
+
+/* Object descriptor types */
+
+#define ACPI_DESC_TYPE_CACHED           0x11    /* Used only when object is cached */
+#define ACPI_DESC_TYPE_STATE            0x20
+#define ACPI_DESC_TYPE_STATE_UPDATE     0x21
+#define ACPI_DESC_TYPE_STATE_PACKAGE    0x22
+#define ACPI_DESC_TYPE_STATE_CONTROL    0x23
+#define ACPI_DESC_TYPE_STATE_RPSCOPE    0x24
+#define ACPI_DESC_TYPE_STATE_PSCOPE     0x25
+#define ACPI_DESC_TYPE_STATE_WSCOPE     0x26
+#define ACPI_DESC_TYPE_STATE_RESULT     0x27
+#define ACPI_DESC_TYPE_STATE_NOTIFY     0x28
+#define ACPI_DESC_TYPE_STATE_THREAD     0x29
+#define ACPI_DESC_TYPE_WALK             0x44
+#define ACPI_DESC_TYPE_PARSER           0x66
+#define ACPI_DESC_TYPE_OPERAND          0x88
+#define ACPI_DESC_TYPE_NAMED            0xAA
+
+
+typedef union acpi_desc
+{
+    UINT8                       DescriptorId;         /* To differentiate various internal objs */\
+    ACPI_OPERAND_OBJECT         Object;
+    ACPI_NAMESPACE_NODE         Node;
+    ACPI_PARSE_OBJECT           Op;
+
+} ACPI_DESCRIPTOR;
+
+
+#endif /* _ACOBJECT_H */
diff --git a/sys/contrib/dev/acpica/acoutput.h b/sys/contrib/dev/acpica/acoutput.h
new file mode 100644
index 0000000..25e7e6f
--- /dev/null
+++ b/sys/contrib/dev/acpica/acoutput.h
@@ -0,0 +1,270 @@
+/******************************************************************************
+ *
+ * Name: acoutput.h -- debug output
+ *       $Revision: 90 $
+ *
+ *****************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+#ifndef __ACOUTPUT_H__
+#define __ACOUTPUT_H__
+
+/*
+ * Debug levels and component IDs.  These are used to control the
+ * granularity of the output of the DEBUG_PRINT macro -- on a per-
+ * component basis and a per-exception-type basis.
+ */
+
+/* Component IDs are used in the global "DebugLayer" */
+
+#define ACPI_UTILITIES              0x00000001
+#define ACPI_HARDWARE               0x00000002
+#define ACPI_EVENTS                 0x00000004
+#define ACPI_TABLES                 0x00000008
+#define ACPI_NAMESPACE              0x00000010
+#define ACPI_PARSER                 0x00000020
+#define ACPI_DISPATCHER             0x00000040
+#define ACPI_EXECUTER               0x00000080
+#define ACPI_RESOURCES              0x00000100
+#define ACPI_CA_DEBUGGER            0x00000200
+#define ACPI_OS_SERVICES            0x00000400
+#define ACPI_CA_DISASSEMBLER        0x00000800
+
+/* Component IDs for ACPI tools and utilities */
+
+#define ACPI_COMPILER               0x00001000
+#define ACPI_TOOLS                  0x00002000
+
+#define ACPI_ALL_COMPONENTS         0x00003FFF
+
+#define ACPI_COMPONENT_DEFAULT      (ACPI_ALL_COMPONENTS)
+
+
+/* Component IDs reserved for ACPI drivers */
+
+#define ACPI_ALL_DRIVERS            0xFFFF0000
+
+/*
+ * Raw debug output levels, do not use these in the DEBUG_PRINT macros
+ */
+
+#define ACPI_LV_OK                  0x00000001
+#define ACPI_LV_INFO                0x00000002
+#define ACPI_LV_WARN                0x00000004
+#define ACPI_LV_ERROR               0x00000008
+#define ACPI_LV_FATAL               0x00000010
+#define ACPI_LV_DEBUG_OBJECT        0x00000020
+#define ACPI_LV_ALL_EXCEPTIONS      0x0000003F
+
+
+/* Trace verbosity level 1 [Standard Trace Level] */
+
+#define ACPI_LV_PARSE               0x00000040
+#define ACPI_LV_LOAD                0x00000080
+#define ACPI_LV_DISPATCH            0x00000100
+#define ACPI_LV_EXEC                0x00000200
+#define ACPI_LV_NAMES               0x00000400
+#define ACPI_LV_OPREGION            0x00000800
+#define ACPI_LV_BFIELD              0x00001000
+#define ACPI_LV_TABLES              0x00002000
+#define ACPI_LV_VALUES              0x00004000
+#define ACPI_LV_OBJECTS             0x00008000
+#define ACPI_LV_RESOURCES           0x00010000
+#define ACPI_LV_USER_REQUESTS       0x00020000
+#define ACPI_LV_PACKAGE             0x00040000
+#define ACPI_LV_INIT                0x00080000
+#define ACPI_LV_VERBOSITY1          0x000FFF40 | ACPI_LV_ALL_EXCEPTIONS
+
+/* Trace verbosity level 2 [Function tracing and memory allocation] */
+
+#define ACPI_LV_ALLOCATIONS         0x00100000
+#define ACPI_LV_FUNCTIONS           0x00200000
+#define ACPI_LV_OPTIMIZATIONS       0x00400000
+#define ACPI_LV_VERBOSITY2          0x00700000 | ACPI_LV_VERBOSITY1
+#define ACPI_LV_ALL                 ACPI_LV_VERBOSITY2
+
+/* Trace verbosity level 3 [Threading, I/O, and Interrupts] */
+
+#define ACPI_LV_MUTEX               0x01000000
+#define ACPI_LV_THREADS             0x02000000
+#define ACPI_LV_IO                  0x04000000
+#define ACPI_LV_INTERRUPTS          0x08000000
+#define ACPI_LV_VERBOSITY3          0x0F000000 | ACPI_LV_VERBOSITY2
+
+/* Exceptionally verbose output -- also used in the global "DebugLevel"  */
+
+#define ACPI_LV_AML_DISASSEMBLE     0x10000000
+#define ACPI_LV_VERBOSE_INFO        0x20000000
+#define ACPI_LV_FULL_TABLES         0x40000000
+#define ACPI_LV_EVENTS              0x80000000
+
+#define ACPI_LV_VERBOSE             0xF0000000
+
+
+/*
+ * Debug level macros that are used in the DEBUG_PRINT macros
+ */
+
+#define ACPI_DEBUG_LEVEL(dl)       dl,__LINE__,&_Dbg
+
+/* Exception level -- used in the global "DebugLevel" */
+
+#define ACPI_DB_OK                  ACPI_DEBUG_LEVEL (ACPI_LV_OK)
+#define ACPI_DB_INFO                ACPI_DEBUG_LEVEL (ACPI_LV_INFO)
+#define ACPI_DB_WARN                ACPI_DEBUG_LEVEL (ACPI_LV_WARN)
+#define ACPI_DB_ERROR               ACPI_DEBUG_LEVEL (ACPI_LV_ERROR)
+#define ACPI_DB_FATAL               ACPI_DEBUG_LEVEL (ACPI_LV_FATAL)
+#define ACPI_DB_DEBUG_OBJECT        ACPI_DEBUG_LEVEL (ACPI_LV_DEBUG_OBJECT)
+#define ACPI_DB_ALL_EXCEPTIONS      ACPI_DEBUG_LEVEL (ACPI_LV_ALL_EXCEPTIONS)
+
+
+/* Trace level -- also used in the global "DebugLevel" */
+
+#define ACPI_DB_THREADS             ACPI_DEBUG_LEVEL (ACPI_LV_THREADS)
+#define ACPI_DB_PARSE               ACPI_DEBUG_LEVEL (ACPI_LV_PARSE)
+#define ACPI_DB_DISPATCH            ACPI_DEBUG_LEVEL (ACPI_LV_DISPATCH)
+#define ACPI_DB_LOAD                ACPI_DEBUG_LEVEL (ACPI_LV_LOAD)
+#define ACPI_DB_EXEC                ACPI_DEBUG_LEVEL (ACPI_LV_EXEC)
+#define ACPI_DB_NAMES               ACPI_DEBUG_LEVEL (ACPI_LV_NAMES)
+#define ACPI_DB_OPREGION            ACPI_DEBUG_LEVEL (ACPI_LV_OPREGION)
+#define ACPI_DB_BFIELD              ACPI_DEBUG_LEVEL (ACPI_LV_BFIELD)
+#define ACPI_DB_TABLES              ACPI_DEBUG_LEVEL (ACPI_LV_TABLES)
+#define ACPI_DB_FUNCTIONS           ACPI_DEBUG_LEVEL (ACPI_LV_FUNCTIONS)
+#define ACPI_DB_OPTIMIZATIONS       ACPI_DEBUG_LEVEL (ACPI_LV_OPTIMIZATIONS)
+#define ACPI_DB_VALUES              ACPI_DEBUG_LEVEL (ACPI_LV_VALUES)
+#define ACPI_DB_OBJECTS             ACPI_DEBUG_LEVEL (ACPI_LV_OBJECTS)
+#define ACPI_DB_ALLOCATIONS         ACPI_DEBUG_LEVEL (ACPI_LV_ALLOCATIONS)
+#define ACPI_DB_RESOURCES           ACPI_DEBUG_LEVEL (ACPI_LV_RESOURCES)
+#define ACPI_DB_IO                  ACPI_DEBUG_LEVEL (ACPI_LV_IO)
+#define ACPI_DB_INTERRUPTS          ACPI_DEBUG_LEVEL (ACPI_LV_INTERRUPTS)
+#define ACPI_DB_USER_REQUESTS       ACPI_DEBUG_LEVEL (ACPI_LV_USER_REQUESTS)
+#define ACPI_DB_PACKAGE             ACPI_DEBUG_LEVEL (ACPI_LV_PACKAGE)
+#define ACPI_DB_MUTEX               ACPI_DEBUG_LEVEL (ACPI_LV_MUTEX)
+#define ACPI_DB_INIT                ACPI_DEBUG_LEVEL (ACPI_LV_INIT)
+
+#define ACPI_DB_ALL                 ACPI_DEBUG_LEVEL (ACPI_LV_ALL)
+
+
+/* Defaults for DebugLevel, debug and normal */
+
+#define DEBUG_DEFAULT               (ACPI_LV_OK | ACPI_LV_WARN | ACPI_LV_ERROR | ACPI_LV_DEBUG_OBJECT)
+#define NORMAL_DEFAULT              (ACPI_LV_OK | ACPI_LV_WARN | ACPI_LV_ERROR | ACPI_LV_DEBUG_OBJECT)
+#define DEBUG_ALL                   (ACPI_LV_AML_DISASSEMBLE | ACPI_LV_ALL_EXCEPTIONS | ACPI_LV_ALL)
+
+/* Misc defines */
+
+#define HEX                         0x01
+#define ASCII                       0x02
+#define FULL_ADDRESS                0x04
+#define CHARS_PER_LINE              16          /* used in DumpBuf function */
+
+
+#endif /* __ACOUTPUT_H__ */
diff --git a/sys/contrib/dev/acpica/acparser.h b/sys/contrib/dev/acpica/acparser.h
new file mode 100644
index 0000000..36bba92
--- /dev/null
+++ b/sys/contrib/dev/acpica/acparser.h
@@ -0,0 +1,420 @@
+/******************************************************************************
+ *
+ * Module Name: acparser.h - AML Parser subcomponent prototypes and defines
+ *       $Revision: 63 $
+ *
+ *****************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+
+#ifndef __ACPARSER_H__
+#define __ACPARSER_H__
+
+
+#define OP_HAS_RETURN_VALUE             1
+
+/* variable # arguments */
+
+#define ACPI_VAR_ARGS                   ACPI_UINT32_MAX
+
+
+#define ACPI_PARSE_DELETE_TREE          0x0001
+#define ACPI_PARSE_NO_TREE_DELETE       0x0000
+#define ACPI_PARSE_TREE_MASK            0x0001
+
+#define ACPI_PARSE_LOAD_PASS1           0x0010
+#define ACPI_PARSE_LOAD_PASS2           0x0020
+#define ACPI_PARSE_EXECUTE              0x0030
+#define ACPI_PARSE_MODE_MASK            0x0030
+
+#define ACPI_PARSE_DEFERRED_OP          0x0100
+
+/* Parser external interfaces */
+
+ACPI_STATUS
+AcpiPsxLoadTable (
+    UINT8                   *PcodeAddr,
+    UINT32                  PcodeLength);
+
+ACPI_STATUS
+AcpiPsxExecute (
+    ACPI_NAMESPACE_NODE     *MethodNode,
+    ACPI_OPERAND_OBJECT     **Params,
+    ACPI_OPERAND_OBJECT     **ReturnObjDesc);
+
+
+/******************************************************************************
+ *
+ * Parser interfaces
+ *
+ *****************************************************************************/
+
+
+/* psargs - Parse AML opcode arguments */
+
+UINT8 *
+AcpiPsGetNextPackageEnd (
+    ACPI_PARSE_STATE        *ParserState);
+
+UINT32
+AcpiPsGetNextPackageLength (
+    ACPI_PARSE_STATE        *ParserState);
+
+NATIVE_CHAR *
+AcpiPsGetNextNamestring (
+    ACPI_PARSE_STATE        *ParserState);
+
+void
+AcpiPsGetNextSimpleArg (
+    ACPI_PARSE_STATE        *ParserState,
+    UINT32                  ArgType,
+    ACPI_PARSE_OBJECT       *Arg);
+
+ACPI_STATUS
+AcpiPsGetNextNamepath (
+    ACPI_WALK_STATE         *WalkState,
+    ACPI_PARSE_STATE        *ParserState,
+    ACPI_PARSE_OBJECT       *Arg,
+    BOOLEAN                 MethodCall);
+
+ACPI_PARSE_OBJECT *
+AcpiPsGetNextField (
+    ACPI_PARSE_STATE        *ParserState);
+
+ACPI_STATUS
+AcpiPsGetNextArg (
+    ACPI_WALK_STATE         *WalkState,
+    ACPI_PARSE_STATE        *ParserState,
+    UINT32                  ArgType,
+    ACPI_PARSE_OBJECT       **ReturnArg);
+
+
+/* psfind */
+
+ACPI_PARSE_OBJECT *
+AcpiPsFindName (
+    ACPI_PARSE_OBJECT       *Scope,
+    UINT32                  Name,
+    UINT32                  Opcode);
+
+ACPI_PARSE_OBJECT*
+AcpiPsGetParent (
+    ACPI_PARSE_OBJECT       *Op);
+
+
+/* psopcode - AML Opcode information */
+
+const ACPI_OPCODE_INFO *
+AcpiPsGetOpcodeInfo (
+    UINT16                  Opcode);
+
+NATIVE_CHAR *
+AcpiPsGetOpcodeName (
+    UINT16                  Opcode);
+
+
+/* psparse - top level parsing routines */
+
+UINT32
+AcpiPsGetOpcodeSize (
+    UINT32                  Opcode);
+
+void
+AcpiPsCompleteThisOp (
+    ACPI_WALK_STATE         *WalkState,
+    ACPI_PARSE_OBJECT       *Op);
+
+ACPI_STATUS
+AcpiPsNextParseState (
+    ACPI_WALK_STATE         *WalkState,
+    ACPI_PARSE_OBJECT       *Op,
+    ACPI_STATUS             CallbackStatus);
+
+ACPI_STATUS
+AcpiPsFindObject (
+    ACPI_WALK_STATE         *WalkState,
+    ACPI_PARSE_OBJECT       **OutOp);
+
+void
+AcpiPsDeleteParseTree (
+    ACPI_PARSE_OBJECT       *root);
+
+ACPI_STATUS
+AcpiPsParseLoop (
+    ACPI_WALK_STATE         *WalkState);
+
+ACPI_STATUS
+AcpiPsParseAml (
+    ACPI_WALK_STATE         *WalkState);
+
+ACPI_STATUS
+AcpiPsParseTable (
+    UINT8                   *aml,
+    UINT32                  amlSize,
+    ACPI_PARSE_DOWNWARDS    DescendingCallback,
+    ACPI_PARSE_UPWARDS      AscendingCallback,
+    ACPI_PARSE_OBJECT       **RootObject);
+
+UINT16
+AcpiPsPeekOpcode (
+    ACPI_PARSE_STATE        *state);
+
+
+/* psscope - Scope stack management routines */
+
+
+ACPI_STATUS
+AcpiPsInitScope (
+    ACPI_PARSE_STATE        *ParserState,
+    ACPI_PARSE_OBJECT       *Root);
+
+ACPI_PARSE_OBJECT *
+AcpiPsGetParentScope (
+    ACPI_PARSE_STATE        *state);
+
+BOOLEAN
+AcpiPsHasCompletedScope (
+    ACPI_PARSE_STATE        *ParserState);
+
+void
+AcpiPsPopScope (
+    ACPI_PARSE_STATE        *ParserState,
+    ACPI_PARSE_OBJECT       **Op,
+    UINT32                  *ArgList,
+    UINT32                  *ArgCount);
+
+ACPI_STATUS
+AcpiPsPushScope (
+    ACPI_PARSE_STATE        *ParserState,
+    ACPI_PARSE_OBJECT       *Op,
+    UINT32                  RemainingArgs,
+    UINT32                  ArgCount);
+
+void
+AcpiPsCleanupScope (
+    ACPI_PARSE_STATE        *state);
+
+
+/* pstree - parse tree manipulation routines */
+
+void
+AcpiPsAppendArg(
+    ACPI_PARSE_OBJECT       *op,
+    ACPI_PARSE_OBJECT       *arg);
+
+ACPI_PARSE_OBJECT*
+AcpiPsFind (
+    ACPI_PARSE_OBJECT       *Scope,
+    NATIVE_CHAR             *Path,
+    UINT16                  Opcode,
+    UINT32                  Create);
+
+ACPI_PARSE_OBJECT *
+AcpiPsGetArg(
+    ACPI_PARSE_OBJECT       *op,
+    UINT32                   argn);
+
+ACPI_PARSE_OBJECT *
+AcpiPsGetChild (
+    ACPI_PARSE_OBJECT       *op);
+
+ACPI_PARSE_OBJECT *
+AcpiPsGetDepthNext (
+    ACPI_PARSE_OBJECT       *Origin,
+    ACPI_PARSE_OBJECT       *Op);
+
+
+/* pswalk - parse tree walk routines */
+
+ACPI_STATUS
+AcpiPsWalkParsedAml (
+    ACPI_PARSE_OBJECT       *StartOp,
+    ACPI_PARSE_OBJECT       *EndOp,
+    ACPI_OPERAND_OBJECT     *MthDesc,
+    ACPI_NAMESPACE_NODE     *StartNode,
+    ACPI_OPERAND_OBJECT     **Params,
+    ACPI_OPERAND_OBJECT     **CallerReturnDesc,
+    ACPI_OWNER_ID           OwnerId,
+    ACPI_PARSE_DOWNWARDS    DescendingCallback,
+    ACPI_PARSE_UPWARDS      AscendingCallback);
+
+ACPI_STATUS
+AcpiPsGetNextWalkOp (
+    ACPI_WALK_STATE         *WalkState,
+    ACPI_PARSE_OBJECT       *Op,
+    ACPI_PARSE_UPWARDS      AscendingCallback);
+
+ACPI_STATUS
+AcpiPsDeleteCompletedOp (
+    ACPI_WALK_STATE         *WalkState);
+
+
+/* psutils - parser utilities */
+
+ACPI_PARSE_OBJECT *
+AcpiPsCreateScopeOp (
+    void);
+
+void
+AcpiPsInitOp (
+    ACPI_PARSE_OBJECT       *op,
+    UINT16                  opcode);
+
+ACPI_PARSE_OBJECT *
+AcpiPsAllocOp (
+    UINT16                  opcode);
+
+void
+AcpiPsFreeOp (
+    ACPI_PARSE_OBJECT       *Op);
+
+void
+AcpiPsDeleteParseCache (
+    void);
+
+BOOLEAN
+AcpiPsIsLeadingChar (
+    UINT32                  c);
+
+BOOLEAN
+AcpiPsIsPrefixChar (
+    UINT32                  c);
+
+UINT32
+AcpiPsGetName(
+    ACPI_PARSE_OBJECT       *op);
+
+void
+AcpiPsSetName(
+    ACPI_PARSE_OBJECT       *op,
+    UINT32                  name);
+
+
+/* psdump - display parser tree */
+
+UINT32
+AcpiPsSprintPath (
+    NATIVE_CHAR             *BufferStart,
+    UINT32                  BufferSize,
+    ACPI_PARSE_OBJECT       *Op);
+
+UINT32
+AcpiPsSprintOp (
+    NATIVE_CHAR             *BufferStart,
+    UINT32                  BufferSize,
+    ACPI_PARSE_OBJECT       *Op);
+
+void
+AcpiPsShow (
+    ACPI_PARSE_OBJECT       *op);
+
+
+#endif /* __ACPARSER_H__ */
diff --git a/sys/contrib/dev/acpica/acpi.h b/sys/contrib/dev/acpica/acpi.h
new file mode 100644
index 0000000..8e2023c
--- /dev/null
+++ b/sys/contrib/dev/acpica/acpi.h
@@ -0,0 +1,142 @@
+/******************************************************************************
+ *
+ * Name: acpi.h - Master include file, Publics and external data.
+ *       $Revision: 55 $
+ *
+ *****************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+#ifndef __ACPI_H__
+#define __ACPI_H__
+
+/*
+ * Common includes for all ACPI driver files
+ * We put them here because we don't want to duplicate them
+ * in the rest of the source code again and again.
+ */
+#include "acconfig.h"           /* Configuration constants */
+#include "acenv.h"              /* Target environment specific items */
+#include "actypes.h"            /* Fundamental common data types */
+#include "acexcep.h"            /* ACPI exception codes */
+#include "acmacros.h"           /* C macros */
+#include "actbl.h"              /* ACPI table definitions */
+#include "aclocal.h"            /* Internal data types */
+#include "acoutput.h"           /* Error output and Debug macros */
+#include "acpiosxf.h"           /* Interfaces to the ACPI-to-OS layer*/
+#include "acpixf.h"             /* ACPI core subsystem external interfaces */
+#include "acobject.h"           /* ACPI internal object */
+#include "acstruct.h"           /* Common structures */
+#include "acglobal.h"           /* All global variables */
+#include "achware.h"            /* Hardware defines and interfaces */
+#include "acutils.h"            /* Utility interfaces */
+
+
+#endif /* __ACPI_H__ */
diff --git a/sys/contrib/dev/acpica/acpica_prep.sh b/sys/contrib/dev/acpica/acpica_prep.sh
new file mode 100755
index 0000000..510b196
--- /dev/null
+++ b/sys/contrib/dev/acpica/acpica_prep.sh
@@ -0,0 +1,54 @@
+#!/bin/sh
+# $FreeBSD$
+#
+# Unpack an ACPI CA drop and restructure it to fit the FreeBSD layout
+#
+
+if [ ! $# -eq 1 ]; then
+	echo "usage: $0 acpica_archive"
+	exit
+fi
+
+src=$1
+wrk=./_acpi_ca_unpack
+dst=./acpi_ca_destination
+
+# files to remove
+stripdirs="common compiler generate"
+stripfiles="osunixxf.c Makefile adisasm.h acdos16.h\
+    acintel.h aclinux.h acmsvc.h acwin.h acwin64.h"
+
+# pre-clean
+echo pre-clean
+rm -rf ${wrk}
+rm -rf ${dst}
+mkdir -p ${wrk}
+mkdir -p ${dst}
+
+# fetch document
+echo fetch document
+fetch http://developer.intel.com/technology/iapc/acpi/downloads/CHANGES.txt
+tr -d '\r' < CHANGES.txt > CHANGES.txt.tmp
+mv CHANGES.txt.tmp CHANGES.txt
+
+# unpack
+echo unpack
+tar -x -z -f ${src} -C ${wrk}
+
+# strip files
+echo strip
+for i in ${stripdirs}; do
+    find ${wrk} -name ${i} -type d | xargs rm -r
+done
+for i in ${stripfiles}; do
+    find ${wrk} -name ${i} -type f -delete
+done
+
+# move files to destination
+echo copy
+find ${wrk} -type f | xargs -J % mv % ${dst}
+mv CHANGES.txt ${dst}
+
+# post-clean
+echo post-clean
+rm -rf ${wrk}
diff --git a/sys/contrib/dev/acpica/acpiosxf.h b/sys/contrib/dev/acpica/acpiosxf.h
new file mode 100644
index 0000000..f35842e
--- /dev/null
+++ b/sys/contrib/dev/acpica/acpiosxf.h
@@ -0,0 +1,405 @@
+
+/******************************************************************************
+ *
+ * Name: acpiosxf.h - All interfaces to the OS Services Layer (OSL).  These
+ *                    interfaces must be implemented by OSL to interface the
+ *                    ACPI components to the host operating system.
+ *
+ *****************************************************************************/
+
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exer
+ se the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+#ifndef __ACPIOSXF_H__
+#define __ACPIOSXF_H__
+
+#include "acenv.h"
+#include "actypes.h"
+
+
+/* Priorities for AcpiOsQueueForExecution */
+
+#define OSD_PRIORITY_GPE            1
+#define OSD_PRIORITY_HIGH           2
+#define OSD_PRIORITY_MED            3
+#define OSD_PRIORITY_LO             4
+
+#define ACPI_NO_UNIT_LIMIT          ((UINT32) -1)
+#define ACPI_MUTEX_SEM              1
+
+
+/* Functions for AcpiOsSignal */
+
+#define ACPI_SIGNAL_FATAL           0
+#define ACPI_SIGNAL_BREAKPOINT      1
+
+typedef struct AcpiFatalInfo
+{
+    UINT32                  Type;
+    UINT32                  Code;
+    UINT32                  Argument;
+
+} ACPI_SIGNAL_FATAL_INFO;
+
+
+/*
+ * Types specific to the OS service interfaces
+ */
+
+typedef UINT32
+(ACPI_SYSTEM_XFACE *OSD_HANDLER) (
+    void                    *Context);
+
+typedef void
+(ACPI_SYSTEM_XFACE *OSD_EXECUTION_CALLBACK) (
+    void                    *Context);
+
+
+/*
+ * OSL Initialization and shutdown primitives
+ */
+
+ACPI_STATUS
+AcpiOsInitialize (
+    void);
+
+ACPI_STATUS
+AcpiOsTerminate (
+    void);
+
+
+/*
+ * ACPI Table interfaces
+ */
+
+ACPI_STATUS
+AcpiOsGetRootPointer (
+    UINT32                  Flags,
+    ACPI_POINTER            *Address);
+
+ACPI_STATUS
+AcpiOsTableOverride (
+    ACPI_TABLE_HEADER       *ExistingTable,
+    ACPI_TABLE_HEADER       **NewTable);
+
+
+/*
+ * Synchronization primitives
+ */
+
+ACPI_STATUS
+AcpiOsCreateSemaphore (
+    UINT32                  MaxUnits,
+    UINT32                  InitialUnits,
+    ACPI_HANDLE             *OutHandle);
+
+ACPI_STATUS
+AcpiOsDeleteSemaphore (
+    ACPI_HANDLE             Handle);
+
+ACPI_STATUS
+AcpiOsWaitSemaphore (
+    ACPI_HANDLE             Handle,
+    UINT32                  Units,
+    UINT16                  Timeout);
+
+ACPI_STATUS
+AcpiOsSignalSemaphore (
+    ACPI_HANDLE             Handle,
+    UINT32                  Units);
+
+
+/*
+ * Memory allocation and mapping
+ */
+
+void *
+AcpiOsAllocate (
+    ACPI_SIZE               Size);
+
+void
+AcpiOsFree (
+    void *                  Memory);
+
+ACPI_STATUS
+AcpiOsMapMemory (
+    ACPI_PHYSICAL_ADDRESS   PhysicalAddress,
+    ACPI_SIZE               Size,
+    void                    **LogicalAddress);
+
+void
+AcpiOsUnmapMemory (
+    void                    *LogicalAddress,
+    ACPI_SIZE               Size);
+
+ACPI_STATUS
+AcpiOsGetPhysicalAddress (
+    void                    *LogicalAddress,
+    ACPI_PHYSICAL_ADDRESS   *PhysicalAddress);
+
+
+/*
+ * Interrupt handlers
+ */
+
+ACPI_STATUS
+AcpiOsInstallInterruptHandler (
+    UINT32                  InterruptNumber,
+    OSD_HANDLER             ServiceRoutine,
+    void                    *Context);
+
+ACPI_STATUS
+AcpiOsRemoveInterruptHandler (
+    UINT32                  InterruptNumber,
+    OSD_HANDLER             ServiceRoutine);
+
+
+/*
+ * Threads and Scheduling
+ */
+
+UINT32
+AcpiOsGetThreadId (
+    void);
+
+ACPI_STATUS
+AcpiOsQueueForExecution (
+    UINT32                  Priority,
+    OSD_EXECUTION_CALLBACK  Function,
+    void                    *Context);
+
+void
+AcpiOsSleep (
+    UINT32                  Seconds,
+    UINT32                  Milliseconds);
+
+void
+AcpiOsStall (
+    UINT32                  Microseconds);
+
+
+/*
+ * Platform and hardware-independent I/O interfaces
+ */
+
+ACPI_STATUS
+AcpiOsReadPort (
+    ACPI_IO_ADDRESS         Address,
+    void                    *Value,
+    UINT32                  Width);
+
+ACPI_STATUS
+AcpiOsWritePort (
+    ACPI_IO_ADDRESS         Address,
+    ACPI_INTEGER            Value,
+    UINT32                  Width);
+
+
+/*
+ * Platform and hardware-independent physical memory interfaces
+ */
+
+ACPI_STATUS
+AcpiOsReadMemory (
+    ACPI_PHYSICAL_ADDRESS   Address,
+    void                    *Value,
+    UINT32                  Width);
+
+ACPI_STATUS
+AcpiOsWriteMemory (
+    ACPI_PHYSICAL_ADDRESS   Address,
+    ACPI_INTEGER            Value,
+    UINT32                  Width);
+
+
+/*
+ * Platform and hardware-independent PCI configuration space access
+ */
+
+ACPI_STATUS
+AcpiOsReadPciConfiguration (
+    ACPI_PCI_ID             *PciId,
+    UINT32                  Register,
+    void                    *Value,
+    UINT32                  Width);
+
+ACPI_STATUS
+AcpiOsWritePciConfiguration (
+    ACPI_PCI_ID             *PciId,
+    UINT32                  Register,
+    ACPI_INTEGER            Value,
+    UINT32                  Width);
+
+
+/*
+ * Miscellaneous
+ */
+
+BOOLEAN
+AcpiOsReadable (
+    void                    *Pointer,
+    UINT32                  Length);
+
+BOOLEAN
+AcpiOsWritable (
+    void                    *Pointer,
+    UINT32                  Length);
+
+UINT32
+AcpiOsGetTimer (
+    void);
+
+ACPI_STATUS
+AcpiOsSignal (
+    UINT32                  Function,
+    void                    *Info);
+
+/*
+ * Debug print routines
+ */
+
+void ACPI_INTERNAL_VAR_XFACE
+AcpiOsPrintf (
+    const NATIVE_CHAR       *Format,
+    ...);
+
+void
+AcpiOsVprintf (
+    const NATIVE_CHAR       *Format,
+    va_list                 Args);
+
+void
+AcpiOsRedirectOutput (
+    void                    *Destination);
+
+
+/*
+ * Debug input
+ */
+
+UINT32
+AcpiOsGetLine (
+    NATIVE_CHAR             *Buffer);
+
+
+/*
+ * Debug
+ */
+
+void
+AcpiOsDbgAssert(
+    void                    *FailedAssertion,
+    void                    *FileName,
+    UINT32                  LineNumber,
+    NATIVE_CHAR             *Message);
+
+
+#endif /* __ACPIOSXF_H__ */
diff --git a/sys/contrib/dev/acpica/acpixf.h b/sys/contrib/dev/acpica/acpixf.h
new file mode 100644
index 0000000..7dddf89
--- /dev/null
+++ b/sys/contrib/dev/acpica/acpixf.h
@@ -0,0 +1,478 @@
+
+/******************************************************************************
+ *
+ * Name: acpixf.h - External interfaces to the ACPI subsystem
+ *
+ *****************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+
+#ifndef __ACXFACE_H__
+#define __ACXFACE_H__
+
+#include "actypes.h"
+#include "actbl.h"
+
+
+ /*
+ * Global interfaces
+ */
+
+ACPI_STATUS
+AcpiInitializeSubsystem (
+    void);
+
+ACPI_STATUS
+AcpiEnableSubsystem (
+    UINT32                  Flags);
+
+ACPI_STATUS
+AcpiInitializeObjects (
+    UINT32                  Flags);
+
+ACPI_STATUS
+AcpiTerminate (
+    void);
+
+ACPI_STATUS
+AcpiSubsystemStatus (
+    void);
+
+ACPI_STATUS
+AcpiEnable (
+    void);
+
+ACPI_STATUS
+AcpiDisable (
+    void);
+
+ACPI_STATUS
+AcpiGetSystemInfo (
+    ACPI_BUFFER             *RetBuffer);
+
+const char *
+AcpiFormatException (
+    ACPI_STATUS             Exception);
+
+ACPI_STATUS
+AcpiPurgeCachedObjects (
+    void);
+
+ACPI_STATUS
+AcpiInstallInitializationHandler (
+    ACPI_INIT_HANDLER       Handler,
+    UINT32                  Function);
+
+/*
+ * ACPI Memory manager
+ */
+
+void *
+AcpiAllocate (
+    UINT32                  Size);
+
+void *
+AcpiCallocate (
+    UINT32                  Size);
+
+void
+AcpiFree (
+    void                    *Address);
+
+
+/*
+ * ACPI table manipulation interfaces
+ */
+
+ACPI_STATUS
+AcpiFindRootPointer (
+    UINT32                  Flags,
+    ACPI_POINTER            *RsdpAddress);
+
+ACPI_STATUS
+AcpiLoadTables (
+    void);
+
+ACPI_STATUS
+AcpiLoadTable (
+    ACPI_TABLE_HEADER       *TablePtr);
+
+ACPI_STATUS
+AcpiUnloadTable (
+    ACPI_TABLE_TYPE         TableType);
+
+ACPI_STATUS
+AcpiGetTableHeader (
+    ACPI_TABLE_TYPE         TableType,
+    UINT32                  Instance,
+    ACPI_TABLE_HEADER       *OutTableHeader);
+
+ACPI_STATUS
+AcpiGetTable (
+    ACPI_TABLE_TYPE         TableType,
+    UINT32                  Instance,
+    ACPI_BUFFER             *RetBuffer);
+
+ACPI_STATUS
+AcpiGetFirmwareTable (
+    ACPI_STRING             Signature,
+    UINT32                  Instance,
+    UINT32                  Flags,
+    ACPI_TABLE_HEADER       **TablePointer);
+
+
+/*
+ * Namespace and name interfaces
+ */
+
+ACPI_STATUS
+AcpiWalkNamespace (
+    ACPI_OBJECT_TYPE        Type,
+    ACPI_HANDLE             StartObject,
+    UINT32                  MaxDepth,
+    ACPI_WALK_CALLBACK      UserFunction,
+    void                    *Context,
+    void *                  *ReturnValue);
+
+ACPI_STATUS
+AcpiGetDevices (
+    NATIVE_CHAR             *HID,
+    ACPI_WALK_CALLBACK      UserFunction,
+    void                    *Context,
+    void                    **ReturnValue);
+
+ACPI_STATUS
+AcpiGetName (
+    ACPI_HANDLE             Handle,
+    UINT32                  NameType,
+    ACPI_BUFFER             *RetPathPtr);
+
+ACPI_STATUS
+AcpiGetHandle (
+    ACPI_HANDLE             Parent,
+    ACPI_STRING             Pathname,
+    ACPI_HANDLE             *RetHandle);
+
+ACPI_STATUS
+AcpiAttachData (
+    ACPI_HANDLE             ObjHandle,
+    ACPI_OBJECT_HANDLER     Handler,
+    void                    *Data);
+
+ACPI_STATUS
+AcpiDetachData (
+    ACPI_HANDLE             ObjHandle,
+    ACPI_OBJECT_HANDLER     Handler);
+
+ACPI_STATUS
+AcpiGetData (
+    ACPI_HANDLE             ObjHandle,
+    ACPI_OBJECT_HANDLER     Handler,
+    void                    **Data);
+
+
+/*
+ * Object manipulation and enumeration
+ */
+
+ACPI_STATUS
+AcpiEvaluateObject (
+    ACPI_HANDLE             Object,
+    ACPI_STRING             Pathname,
+    ACPI_OBJECT_LIST        *ParameterObjects,
+    ACPI_BUFFER             *ReturnObjectBuffer);
+
+ACPI_STATUS
+AcpiEvaluateObjectTyped (
+    ACPI_HANDLE             Object,
+    ACPI_STRING             Pathname,
+    ACPI_OBJECT_LIST        *ExternalParams,
+    ACPI_BUFFER             *ReturnBuffer,
+    ACPI_OBJECT_TYPE        ReturnType);
+
+ACPI_STATUS
+AcpiGetObjectInfo (
+    ACPI_HANDLE             Device,
+    ACPI_DEVICE_INFO        *Info);
+
+ACPI_STATUS
+AcpiGetNextObject (
+    ACPI_OBJECT_TYPE        Type,
+    ACPI_HANDLE             Parent,
+    ACPI_HANDLE             Child,
+    ACPI_HANDLE             *OutHandle);
+
+ACPI_STATUS
+AcpiGetType (
+    ACPI_HANDLE             Object,
+    ACPI_OBJECT_TYPE        *OutType);
+
+ACPI_STATUS
+AcpiGetParent (
+    ACPI_HANDLE             Object,
+    ACPI_HANDLE             *OutHandle);
+
+
+/*
+ * Event handler interfaces
+ */
+
+ACPI_STATUS
+AcpiInstallFixedEventHandler (
+    UINT32                  AcpiEvent,
+    ACPI_EVENT_HANDLER      Handler,
+    void                    *Context);
+
+ACPI_STATUS
+AcpiRemoveFixedEventHandler (
+    UINT32                  AcpiEvent,
+    ACPI_EVENT_HANDLER      Handler);
+
+ACPI_STATUS
+AcpiInstallNotifyHandler (
+    ACPI_HANDLE             Device,
+    UINT32                  HandlerType,
+    ACPI_NOTIFY_HANDLER     Handler,
+    void                    *Context);
+
+ACPI_STATUS
+AcpiRemoveNotifyHandler (
+    ACPI_HANDLE             Device,
+    UINT32                  HandlerType,
+    ACPI_NOTIFY_HANDLER     Handler);
+
+ACPI_STATUS
+AcpiInstallAddressSpaceHandler (
+    ACPI_HANDLE             Device,
+    ACPI_ADR_SPACE_TYPE     SpaceId,
+    ACPI_ADR_SPACE_HANDLER  Handler,
+    ACPI_ADR_SPACE_SETUP    Setup,
+    void                    *Context);
+
+ACPI_STATUS
+AcpiRemoveAddressSpaceHandler (
+    ACPI_HANDLE             Device,
+    ACPI_ADR_SPACE_TYPE     SpaceId,
+    ACPI_ADR_SPACE_HANDLER  Handler);
+
+ACPI_STATUS
+AcpiInstallGpeHandler (
+    UINT32                  GpeNumber,
+    UINT32                  Type,
+    ACPI_GPE_HANDLER        Handler,
+    void                    *Context);
+
+ACPI_STATUS
+AcpiAcquireGlobalLock (
+    UINT16                  Timeout,
+    UINT32                  *Handle);
+
+ACPI_STATUS
+AcpiReleaseGlobalLock (
+    UINT32                  Handle);
+
+ACPI_STATUS
+AcpiRemoveGpeHandler (
+    UINT32                  GpeNumber,
+    ACPI_GPE_HANDLER        Handler);
+
+ACPI_STATUS
+AcpiEnableEvent (
+    UINT32                  AcpiEvent,
+    UINT32                  Type,
+    UINT32                  Flags);
+
+ACPI_STATUS
+AcpiDisableEvent (
+    UINT32                  AcpiEvent,
+    UINT32                  Type,
+    UINT32                  Flags);
+
+ACPI_STATUS
+AcpiClearEvent (
+    UINT32                  AcpiEvent,
+    UINT32                  Type);
+
+ACPI_STATUS
+AcpiGetEventStatus (
+    UINT32                  AcpiEvent,
+    UINT32                  Type,
+    ACPI_EVENT_STATUS       *EventStatus);
+
+/*
+ * Resource interfaces
+ */
+
+ACPI_STATUS
+AcpiGetCurrentResources(
+    ACPI_HANDLE             DeviceHandle,
+    ACPI_BUFFER             *RetBuffer);
+
+ACPI_STATUS
+AcpiGetPossibleResources(
+    ACPI_HANDLE             DeviceHandle,
+    ACPI_BUFFER             *RetBuffer);
+
+ACPI_STATUS
+AcpiSetCurrentResources (
+    ACPI_HANDLE             DeviceHandle,
+    ACPI_BUFFER             *InBuffer);
+
+ACPI_STATUS
+AcpiGetIrqRoutingTable  (
+    ACPI_HANDLE             BusDeviceHandle,
+    ACPI_BUFFER             *RetBuffer);
+
+
+/*
+ * Hardware (ACPI device) interfaces
+ */
+
+ACPI_STATUS
+AcpiGetRegister (
+    UINT32                  RegisterId,
+    UINT32                  *ReturnValue,
+    UINT32                  Flags);
+
+ACPI_STATUS
+AcpiSetRegister (
+    UINT32                  RegisterId,
+    UINT32                  Value,
+    UINT32                  Flags);
+
+ACPI_STATUS
+AcpiSetFirmwareWakingVector (
+    ACPI_PHYSICAL_ADDRESS   PhysicalAddress);
+
+ACPI_STATUS
+AcpiGetFirmwareWakingVector (
+    ACPI_PHYSICAL_ADDRESS   *PhysicalAddress);
+
+ACPI_STATUS
+AcpiGetSleepTypeData (
+    UINT8                   SleepState,
+    UINT8                   *Slp_TypA,
+    UINT8                   *Slp_TypB);
+
+ACPI_STATUS
+AcpiEnterSleepStatePrep (
+    UINT8                   SleepState);
+
+ACPI_STATUS
+AcpiEnterSleepState (
+    UINT8                   SleepState);
+
+ACPI_STATUS
+AcpiLeaveSleepState (
+    UINT8                   SleepState);
+
+
+#endif /* __ACXFACE_H__ */
diff --git a/sys/contrib/dev/acpica/acresrc.h b/sys/contrib/dev/acpica/acresrc.h
new file mode 100644
index 0000000..cdd491f
--- /dev/null
+++ b/sys/contrib/dev/acpica/acresrc.h
@@ -0,0 +1,459 @@
+/******************************************************************************
+ *
+ * Name: acresrc.h - Resource Manager function prototypes
+ *       $Revision: 34 $
+ *
+ *****************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+#ifndef __ACRESRC_H__
+#define __ACRESRC_H__
+
+
+/*
+ *  Function prototypes called from Acpi* APIs
+ */
+
+ACPI_STATUS
+AcpiRsGetPrtMethodData (
+    ACPI_HANDLE             Handle,
+    ACPI_BUFFER             *RetBuffer);
+
+
+ACPI_STATUS
+AcpiRsGetCrsMethodData (
+    ACPI_HANDLE             Handle,
+    ACPI_BUFFER             *RetBuffer);
+
+ACPI_STATUS
+AcpiRsGetPrsMethodData (
+    ACPI_HANDLE             Handle,
+    ACPI_BUFFER             *RetBuffer);
+
+ACPI_STATUS
+AcpiRsSetSrsMethodData (
+    ACPI_HANDLE             Handle,
+    ACPI_BUFFER             *RetBuffer);
+
+ACPI_STATUS
+AcpiRsCreateResourceList (
+    ACPI_OPERAND_OBJECT     *ByteStreamBuffer,
+    ACPI_BUFFER             *OutputBuffer);
+
+ACPI_STATUS
+AcpiRsCreateByteStream (
+    ACPI_RESOURCE           *LinkedListBuffer,
+    ACPI_BUFFER             *OutputBuffer);
+
+ACPI_STATUS
+AcpiRsCreatePciRoutingTable (
+    ACPI_OPERAND_OBJECT     *PackageObject,
+    ACPI_BUFFER             *OutputBuffer);
+
+
+/*
+ * Function prototypes called from AcpiRsCreate*
+ */
+void
+AcpiRsDumpIrq (
+    ACPI_RESOURCE_DATA      *Data);
+
+void
+AcpiRsDumpAddress16 (
+    ACPI_RESOURCE_DATA      *Data);
+
+void
+AcpiRsDumpAddress32 (
+    ACPI_RESOURCE_DATA      *Data);
+
+void
+AcpiRsDumpAddress64 (
+    ACPI_RESOURCE_DATA      *Data);
+
+void
+AcpiRsDumpDma (
+    ACPI_RESOURCE_DATA      *Data);
+
+void
+AcpiRsDumpIo (
+    ACPI_RESOURCE_DATA      *Data);
+
+void
+AcpiRsDumpExtendedIrq (
+    ACPI_RESOURCE_DATA      *Data);
+
+void
+AcpiRsDumpFixedIo (
+    ACPI_RESOURCE_DATA      *Data);
+
+void
+AcpiRsDumpFixedMemory32 (
+    ACPI_RESOURCE_DATA      *Data);
+
+void
+AcpiRsDumpMemory24 (
+    ACPI_RESOURCE_DATA      *Data);
+
+void
+AcpiRsDumpMemory32 (
+    ACPI_RESOURCE_DATA      *Data);
+
+void
+AcpiRsDumpStartDependFns (
+    ACPI_RESOURCE_DATA      *Data);
+
+void
+AcpiRsDumpVendorSpecific (
+    ACPI_RESOURCE_DATA      *Data);
+
+void
+AcpiRsDumpResourceList (
+    ACPI_RESOURCE           *Resource);
+
+void
+AcpiRsDumpIrqList (
+    UINT8                   *RouteTable);
+
+ACPI_STATUS
+AcpiRsGetByteStreamStart (
+    UINT8                   *ByteStreamBuffer,
+    UINT8                   **ByteStreamStart,
+    UINT32                  *Size);
+
+ACPI_STATUS
+AcpiRsGetListLength (
+    UINT8                   *ByteStreamBuffer,
+    UINT32                  ByteStreamBufferLength,
+    ACPI_SIZE               *SizeNeeded);
+
+ACPI_STATUS
+AcpiRsGetByteStreamLength (
+    ACPI_RESOURCE           *LinkedListBuffer,
+    ACPI_SIZE               *SizeNeeded);
+
+ACPI_STATUS
+AcpiRsGetPciRoutingTableLength (
+    ACPI_OPERAND_OBJECT     *PackageObject,
+    ACPI_SIZE               *BufferSizeNeeded);
+
+ACPI_STATUS
+AcpiRsByteStreamToList (
+    UINT8                   *ByteStreamBuffer,
+    UINT32                  ByteStreamBufferLength,
+    UINT8                   *OutputBuffer);
+
+ACPI_STATUS
+AcpiRsListToByteStream (
+    ACPI_RESOURCE           *LinkedList,
+    ACPI_SIZE               ByteStreamSizeNeeded,
+    UINT8                   *OutputBuffer);
+
+ACPI_STATUS
+AcpiRsIoResource (
+    UINT8                   *ByteStreamBuffer,
+    ACPI_SIZE               *BytesConsumed,
+    UINT8                   **OutputBuffer,
+    ACPI_SIZE               *StructureSize);
+
+ACPI_STATUS
+AcpiRsFixedIoResource (
+    UINT8                   *ByteStreamBuffer,
+    ACPI_SIZE               *BytesConsumed,
+    UINT8                   **OutputBuffer,
+    ACPI_SIZE               *StructureSize);
+
+ACPI_STATUS
+AcpiRsIoStream (
+    ACPI_RESOURCE           *LinkedList,
+    UINT8                   **OutputBuffer,
+    ACPI_SIZE               *BytesConsumed);
+
+ACPI_STATUS
+AcpiRsFixedIoStream (
+    ACPI_RESOURCE           *LinkedList,
+    UINT8                   **OutputBuffer,
+    ACPI_SIZE               *BytesConsumed);
+
+ACPI_STATUS
+AcpiRsIrqResource (
+    UINT8                   *ByteStreamBuffer,
+    ACPI_SIZE               *BytesConsumed,
+    UINT8                   **OutputBuffer,
+    ACPI_SIZE               *StructureSize);
+
+ACPI_STATUS
+AcpiRsIrqStream (
+    ACPI_RESOURCE           *LinkedList,
+    UINT8                   **OutputBuffer,
+    ACPI_SIZE               *BytesConsumed);
+
+ACPI_STATUS
+AcpiRsDmaResource (
+    UINT8                   *ByteStreamBuffer,
+    ACPI_SIZE               *BytesConsumed,
+    UINT8                   **OutputBuffer,
+    ACPI_SIZE               *StructureSize);
+
+ACPI_STATUS
+AcpiRsDmaStream (
+    ACPI_RESOURCE           *LinkedList,
+    UINT8                   **OutputBuffer,
+    ACPI_SIZE               *BytesConsumed);
+
+ACPI_STATUS
+AcpiRsAddress16Resource (
+    UINT8                   *ByteStreamBuffer,
+    ACPI_SIZE               *BytesConsumed,
+    UINT8                   **OutputBuffer,
+    ACPI_SIZE               *StructureSize);
+
+ACPI_STATUS
+AcpiRsAddress16Stream (
+    ACPI_RESOURCE           *LinkedList,
+    UINT8                   **OutputBuffer,
+    ACPI_SIZE               *BytesConsumed);
+
+ACPI_STATUS
+AcpiRsAddress32Resource (
+    UINT8                   *ByteStreamBuffer,
+    ACPI_SIZE               *BytesConsumed,
+    UINT8                   **OutputBuffer,
+    ACPI_SIZE               *StructureSize);
+
+ACPI_STATUS
+AcpiRsAddress32Stream (
+    ACPI_RESOURCE           *LinkedList,
+    UINT8                   **OutputBuffer,
+    ACPI_SIZE               *BytesConsumed);
+
+ACPI_STATUS
+AcpiRsAddress64Resource (
+    UINT8                   *ByteStreamBuffer,
+    ACPI_SIZE               *BytesConsumed,
+    UINT8                   **OutputBuffer,
+    ACPI_SIZE               *StructureSize);
+
+ACPI_STATUS
+AcpiRsAddress64Stream (
+    ACPI_RESOURCE           *LinkedList,
+    UINT8                   **OutputBuffer,
+    ACPI_SIZE               *BytesConsumed);
+
+ACPI_STATUS
+AcpiRsStartDependFnsResource (
+    UINT8                   *ByteStreamBuffer,
+    ACPI_SIZE               *BytesConsumed,
+    UINT8                   **OutputBuffer,
+    ACPI_SIZE               *StructureSize);
+
+ACPI_STATUS
+AcpiRsEndDependFnsResource (
+    UINT8                   *ByteStreamBuffer,
+    ACPI_SIZE               *BytesConsumed,
+    UINT8                   **OutputBuffer,
+    ACPI_SIZE               *StructureSize);
+
+ACPI_STATUS
+AcpiRsStartDependFnsStream (
+    ACPI_RESOURCE           *LinkedList,
+    UINT8                   **OutputBuffer,
+    ACPI_SIZE               *BytesConsumed);
+
+ACPI_STATUS
+AcpiRsEndDependFnsStream (
+    ACPI_RESOURCE           *LinkedList,
+    UINT8                   **OutputBuffer,
+    ACPI_SIZE               *BytesConsumed);
+
+ACPI_STATUS
+AcpiRsMemory24Resource (
+    UINT8                   *ByteStreamBuffer,
+    ACPI_SIZE               *BytesConsumed,
+    UINT8                   **OutputBuffer,
+    ACPI_SIZE               *StructureSize);
+
+ACPI_STATUS
+AcpiRsMemory24Stream (
+    ACPI_RESOURCE           *LinkedList,
+    UINT8                   **OutputBuffer,
+    ACPI_SIZE               *BytesConsumed);
+
+ACPI_STATUS
+AcpiRsMemory32RangeResource (
+    UINT8                   *ByteStreamBuffer,
+    ACPI_SIZE               *BytesConsumed,
+    UINT8                   **OutputBuffer,
+    ACPI_SIZE               *StructureSize);
+
+ACPI_STATUS
+AcpiRsFixedMemory32Resource (
+    UINT8                   *ByteStreamBuffer,
+    ACPI_SIZE               *BytesConsumed,
+    UINT8                   **OutputBuffer,
+    ACPI_SIZE               *StructureSize);
+
+ACPI_STATUS
+AcpiRsMemory32RangeStream (
+    ACPI_RESOURCE           *LinkedList,
+    UINT8                   **OutputBuffer,
+    ACPI_SIZE               *BytesConsumed);
+
+ACPI_STATUS
+AcpiRsFixedMemory32Stream (
+    ACPI_RESOURCE           *LinkedList,
+    UINT8                   **OutputBuffer,
+    ACPI_SIZE               *BytesConsumed);
+
+ACPI_STATUS
+AcpiRsExtendedIrqResource (
+    UINT8                   *ByteStreamBuffer,
+    ACPI_SIZE               *BytesConsumed,
+    UINT8                   **OutputBuffer,
+    ACPI_SIZE               *StructureSize);
+
+ACPI_STATUS
+AcpiRsExtendedIrqStream (
+    ACPI_RESOURCE           *LinkedList,
+    UINT8                   **OutputBuffer,
+    ACPI_SIZE               *BytesConsumed);
+
+ACPI_STATUS
+AcpiRsEndTagResource (
+    UINT8                   *ByteStreamBuffer,
+    ACPI_SIZE               *BytesConsumed,
+    UINT8                   **OutputBuffer,
+    ACPI_SIZE               *StructureSize);
+
+ACPI_STATUS
+AcpiRsEndTagStream (
+    ACPI_RESOURCE           *LinkedList,
+    UINT8                   **OutputBuffer,
+    ACPI_SIZE               *BytesConsumed);
+
+ACPI_STATUS
+AcpiRsVendorResource (
+    UINT8                   *ByteStreamBuffer,
+    ACPI_SIZE               *BytesConsumed,
+    UINT8                   **OutputBuffer,
+    ACPI_SIZE               *StructureSize);
+
+ACPI_STATUS
+AcpiRsVendorStream (
+    ACPI_RESOURCE           *LinkedList,
+    UINT8                   **OutputBuffer,
+    ACPI_SIZE               *BytesConsumed);
+
+UINT8
+AcpiRsGetResourceType (
+    UINT8                   ResourceStartByte);
+
+#endif  /* __ACRESRC_H__ */
diff --git a/sys/contrib/dev/acpica/acstruct.h b/sys/contrib/dev/acpica/acstruct.h
new file mode 100644
index 0000000..7b12f76
--- /dev/null
+++ b/sys/contrib/dev/acpica/acstruct.h
@@ -0,0 +1,283 @@
+/******************************************************************************
+ *
+ * Name: acstruct.h - Internal structs
+ *       $Revision: 20 $
+ *
+ *****************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+#ifndef __ACSTRUCT_H__
+#define __ACSTRUCT_H__
+
+
+/*****************************************************************************
+ *
+ * Tree walking typedefs and structs
+ *
+ ****************************************************************************/
+
+
+/*
+ * Walk state - current state of a parse tree walk.  Used for both a leisurely stroll through
+ * the tree (for whatever reason), and for control method execution.
+ */
+
+#define ACPI_NEXT_OP_DOWNWARD       1
+#define ACPI_NEXT_OP_UPWARD         2
+
+#define ACPI_WALK_NON_METHOD        0
+#define ACPI_WALK_METHOD            1
+#define ACPI_WALK_METHOD_RESTART    2
+#define ACPI_WALK_CONST_REQUIRED    3
+#define ACPI_WALK_CONST_OPTIONAL    4
+
+typedef struct acpi_walk_state
+{
+    UINT8                   DataType;                           /* To differentiate various internal objs MUST BE FIRST!*/\
+    ACPI_OWNER_ID           OwnerId;                            /* Owner of objects created during the walk */
+    BOOLEAN                 LastPredicate;                      /* Result of last predicate */
+    UINT8                   CurrentResult;                      /* */
+    UINT8                   NextOpInfo;                         /* Info about NextOp */
+    UINT8                   NumOperands;                        /* Stack pointer for Operands[] array */
+    UINT8                   ReturnUsed;
+    UINT8                   WalkType;
+    UINT16                  Opcode;                             /* Current AML opcode */
+    UINT8                   ScopeDepth;
+    UINT8                   Reserved1;
+    UINT32                  ArgCount;                           /* push for fixed or var args */
+    UINT32                  AmlOffset;
+    UINT32                  ArgTypes;
+    UINT32                  MethodBreakpoint;                   /* For single stepping */
+    UINT32                  UserBreakpoint;                     /* User AML breakpoint */
+    UINT32                  ParseFlags;
+    UINT32                  PrevArgTypes;
+
+
+    UINT8                   *AmlLastWhile;
+    struct acpi_node        Arguments[MTH_NUM_ARGS];            /* Control method arguments */
+    union acpi_operand_obj  **CallerReturnDesc;
+    ACPI_GENERIC_STATE      *ControlState;                      /* List of control states (nested IFs) */
+    struct acpi_node        LocalVariables[MTH_NUM_LOCALS];     /* Control method locals */
+    struct acpi_node        *MethodCallNode;                    /* Called method Node*/
+    ACPI_PARSE_OBJECT       *MethodCallOp;                      /* MethodCall Op if running a method */
+    union acpi_operand_obj  *MethodDesc;                        /* Method descriptor if running a method */
+    struct acpi_node        *MethodNode;                        /* Method Node if running a method */
+    ACPI_PARSE_OBJECT       *Op;                                /* Current parser op */
+    union acpi_operand_obj  *Operands[OBJ_NUM_OPERANDS+1];      /* Operands passed to the interpreter (+1 for NULL terminator) */
+    const ACPI_OPCODE_INFO  *OpInfo;                            /* Info on current opcode */
+    ACPI_PARSE_OBJECT       *Origin;                            /* Start of walk [Obsolete] */
+    union acpi_operand_obj  **Params;
+    ACPI_PARSE_STATE        ParserState;                        /* Current state of parser */
+    union acpi_operand_obj  *ResultObj;
+    ACPI_GENERIC_STATE      *Results;                           /* Stack of accumulated results */
+    union acpi_operand_obj  *ReturnDesc;                        /* Return object, if any */
+    ACPI_GENERIC_STATE      *ScopeInfo;                         /* Stack of nested scopes */
+
+    ACPI_PARSE_OBJECT       *PrevOp;                            /* Last op that was processed */
+    ACPI_PARSE_OBJECT       *NextOp;                            /* next op to be processed */
+    ACPI_PARSE_DOWNWARDS    DescendingCallback;
+    ACPI_PARSE_UPWARDS      AscendingCallback;
+    ACPI_THREAD_STATE       *Thread;
+    struct acpi_walk_state  *Next;                              /* Next WalkState in list */
+
+
+} ACPI_WALK_STATE;
+
+
+/* Info used by AcpiPsInitObjects */
+
+typedef struct acpi_init_walk_info
+{
+    UINT16                  MethodCount;
+    UINT16                  DeviceCount;
+    UINT16                  OpRegionCount;
+    UINT16                  FieldCount;
+    UINT16                  BufferCount;
+    UINT16                  PackageCount;
+    UINT16                  OpRegionInit;
+    UINT16                  FieldInit;
+    UINT16                  BufferInit;
+    UINT16                  PackageInit;
+    UINT16                  ObjectCount;
+    ACPI_TABLE_DESC         *TableDesc;
+
+} ACPI_INIT_WALK_INFO;
+
+
+/* Info used by AcpiNsInitializeDevices */
+
+typedef struct acpi_device_walk_info
+{
+    UINT16                  DeviceCount;
+    UINT16                  Num_STA;
+    UINT16                  Num_INI;
+    ACPI_TABLE_DESC         *TableDesc;
+
+} ACPI_DEVICE_WALK_INFO;
+
+
+/* TBD: [Restructure] Merge with struct above */
+
+typedef struct acpi_walk_info
+{
+    UINT32                  DebugLevel;
+    UINT32                  OwnerId;
+    UINT8                   DisplayType;
+
+} ACPI_WALK_INFO;
+
+/* Display Types */
+
+#define ACPI_DISPLAY_SUMMARY    0
+#define ACPI_DISPLAY_OBJECTS    1
+
+typedef struct acpi_get_devices_info
+{
+    ACPI_WALK_CALLBACK      UserFunction;
+    void                    *Context;
+    NATIVE_CHAR             *Hid;
+
+} ACPI_GET_DEVICES_INFO;
+
+
+typedef union acpi_aml_operands
+{
+    ACPI_OPERAND_OBJECT         *Operands[7];
+
+    struct
+    {
+        ACPI_OBJECT_INTEGER     *Type;
+        ACPI_OBJECT_INTEGER     *Code;
+        ACPI_OBJECT_INTEGER     *Argument;
+
+    } Fatal;
+
+    struct
+    {
+        ACPI_OPERAND_OBJECT     *Source;
+        ACPI_OBJECT_INTEGER     *Index;
+        ACPI_OPERAND_OBJECT     *Target;
+
+    } Index;
+
+    struct
+    {
+        ACPI_OPERAND_OBJECT     *Source;
+        ACPI_OBJECT_INTEGER     *Index;
+        ACPI_OBJECT_INTEGER     *Length;
+        ACPI_OPERAND_OBJECT     *Target;
+
+    } Mid;
+
+} ACPI_AML_OPERANDS;
+
+
+#endif
diff --git a/sys/contrib/dev/acpica/actables.h b/sys/contrib/dev/acpica/actables.h
new file mode 100644
index 0000000..0fcfd87
--- /dev/null
+++ b/sys/contrib/dev/acpica/actables.h
@@ -0,0 +1,310 @@
+/******************************************************************************
+ *
+ * Name: actables.h - ACPI table management
+ *       $Revision: 42 $
+ *
+ *****************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+#ifndef __ACTABLES_H__
+#define __ACTABLES_H__
+
+
+/* Used in AcpiTbMapAcpiTable for size parameter if table header is to be used */
+
+#define SIZE_IN_HEADER          0
+
+
+ACPI_STATUS
+AcpiTbHandleToObject (
+    UINT16                  TableId,
+    ACPI_TABLE_DESC         **TableDesc);
+
+/*
+ * tbconvrt - Table conversion routines
+ */
+
+ACPI_STATUS
+AcpiTbConvertToXsdt (
+    ACPI_TABLE_DESC         *TableInfo);
+
+ACPI_STATUS
+AcpiTbConvertTableFadt (
+    void);
+
+ACPI_STATUS
+AcpiTbBuildCommonFacs (
+    ACPI_TABLE_DESC         *TableInfo);
+
+UINT32
+AcpiTbGetTableCount (
+    RSDP_DESCRIPTOR         *RSDP,
+    ACPI_TABLE_HEADER       *RSDT);
+
+/*
+ * tbget - Table "get" routines
+ */
+
+ACPI_STATUS
+AcpiTbGetTable (
+    ACPI_POINTER            *Address,
+    ACPI_TABLE_DESC         *TableInfo);
+
+ACPI_STATUS
+AcpiTbGetTableHeader (
+    ACPI_POINTER            *Address,
+    ACPI_TABLE_HEADER       *ReturnHeader);
+
+ACPI_STATUS
+AcpiTbGetTableBody (
+    ACPI_POINTER            *Address,
+    ACPI_TABLE_HEADER       *Header,
+    ACPI_TABLE_DESC         *TableInfo);
+
+ACPI_STATUS
+AcpiTbGetThisTable (
+    ACPI_POINTER            *Address,
+    ACPI_TABLE_HEADER       *Header,
+    ACPI_TABLE_DESC         *TableInfo);
+
+ACPI_STATUS
+AcpiTbTableOverride (
+    ACPI_TABLE_HEADER       *Header,
+    ACPI_TABLE_DESC         *TableInfo);
+
+ACPI_STATUS
+AcpiTbGetTablePtr (
+    ACPI_TABLE_TYPE         TableType,
+    UINT32                  Instance,
+    ACPI_TABLE_HEADER       **TablePtrLoc);
+
+ACPI_STATUS
+AcpiTbVerifyRsdp (
+    ACPI_POINTER            *Address);
+
+void
+AcpiTbGetRsdtAddress (
+    ACPI_POINTER            *OutAddress);
+
+ACPI_STATUS
+AcpiTbValidateRsdt (
+    ACPI_TABLE_HEADER       *TablePtr);
+
+ACPI_STATUS
+AcpiTbGetRequiredTables (
+    void);
+
+ACPI_STATUS
+AcpiTbGetPrimaryTable (
+    ACPI_POINTER            *Address,
+    ACPI_TABLE_DESC         *TableInfo);
+
+ACPI_STATUS
+AcpiTbGetSecondaryTable (
+    ACPI_POINTER            *Address,
+    ACPI_STRING             Signature,
+    ACPI_TABLE_DESC         *TableInfo);
+
+/*
+ * tbinstall - Table installation
+ */
+
+ACPI_STATUS
+AcpiTbInstallTable (
+    ACPI_TABLE_DESC         *TableInfo);
+
+ACPI_STATUS
+AcpiTbMatchSignature (
+    NATIVE_CHAR             *Signature,
+    ACPI_TABLE_DESC         *TableInfo,
+    UINT8                   SearchType);
+
+ACPI_STATUS
+AcpiTbRecognizeTable (
+    ACPI_TABLE_DESC         *TableInfo,
+    UINT8                  SearchType);
+
+ACPI_STATUS
+AcpiTbInitTableDescriptor (
+    ACPI_TABLE_TYPE         TableType,
+    ACPI_TABLE_DESC         *TableInfo);
+
+
+/*
+ * tbremove - Table removal and deletion
+ */
+
+void
+AcpiTbDeleteAcpiTables (
+    void);
+
+void
+AcpiTbDeleteAcpiTable (
+    ACPI_TABLE_TYPE         Type);
+
+void
+AcpiTbDeleteSingleTable (
+    ACPI_TABLE_DESC         *TableDesc);
+
+ACPI_TABLE_DESC *
+AcpiTbUninstallTable (
+    ACPI_TABLE_DESC         *TableDesc);
+
+void
+AcpiTbFreeAcpiTablesOfType (
+    ACPI_TABLE_DESC         *TableInfo);
+
+
+/*
+ * tbrsd - RSDP, RSDT utilities
+ */
+
+ACPI_STATUS
+AcpiTbGetTableRsdt (
+    void);
+
+UINT8 *
+AcpiTbScanMemoryForRsdp (
+    UINT8                   *StartAddress,
+    UINT32                  Length);
+
+ACPI_STATUS
+AcpiTbFindRsdp (
+    ACPI_TABLE_DESC         *TableInfo,
+    UINT32                  Flags);
+
+
+/*
+ * tbutils - common table utilities
+ */
+
+ACPI_STATUS
+AcpiTbFindTable (
+    NATIVE_CHAR             *Signature,
+    NATIVE_CHAR             *OemId,
+    NATIVE_CHAR             *OemTableId,
+    ACPI_TABLE_HEADER       **TablePtr);
+
+ACPI_STATUS
+AcpiTbVerifyTableChecksum (
+    ACPI_TABLE_HEADER       *TableHeader);
+
+UINT8
+AcpiTbChecksum (
+    void                    *Buffer,
+    UINT32                  Length);
+
+ACPI_STATUS
+AcpiTbValidateTableHeader (
+    ACPI_TABLE_HEADER       *TableHeader);
+
+
+#endif /* __ACTABLES_H__ */
diff --git a/sys/contrib/dev/acpica/actbl.h b/sys/contrib/dev/acpica/actbl.h
new file mode 100644
index 0000000..ea06eff
--- /dev/null
+++ b/sys/contrib/dev/acpica/actbl.h
@@ -0,0 +1,308 @@
+/******************************************************************************
+ *
+ * Name: actbl.h - Table data structures defined in ACPI specification
+ *       $Revision: 53 $
+ *
+ *****************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+#ifndef __ACTBL_H__
+#define __ACTBL_H__
+
+
+/*
+ *  Values for description table header signatures
+ */
+#define RSDP_NAME               "RSDP"
+#define RSDP_SIG                "RSD PTR "  /* RSDT Pointer signature */
+#define APIC_SIG                "APIC"      /* Multiple APIC Description Table */
+#define DSDT_SIG                "DSDT"      /* Differentiated System Description Table */
+#define FADT_SIG                "FACP"      /* Fixed ACPI Description Table */
+#define FACS_SIG                "FACS"      /* Firmware ACPI Control Structure */
+#define PSDT_SIG                "PSDT"      /* Persistent System Description Table */
+#define RSDT_SIG                "RSDT"      /* Root System Description Table */
+#define XSDT_SIG                "XSDT"      /* Extended  System Description Table */
+#define SSDT_SIG                "SSDT"      /* Secondary System Description Table */
+#define SBST_SIG                "SBST"      /* Smart Battery Specification Table */
+#define SPIC_SIG                "SPIC"      /* IOSAPIC table */
+#define BOOT_SIG                "BOOT"      /* Boot table */
+
+
+#define GL_OWNED                0x02        /* Ownership of global lock is bit 1 */
+
+/* values of Mapic.Model */
+
+#define DUAL_PIC                0
+#define MULTIPLE_APIC           1
+
+/* values of Type in APIC_HEADER */
+
+#define APIC_PROC               0
+#define APIC_IO                 1
+
+
+/*
+ * Common table types.  The base code can remain
+ * constant if the underlying tables are changed
+ */
+#define RSDT_DESCRIPTOR         RSDT_DESCRIPTOR_REV2
+#define XSDT_DESCRIPTOR         XSDT_DESCRIPTOR_REV2
+#define FACS_DESCRIPTOR         FACS_DESCRIPTOR_REV2
+#define FADT_DESCRIPTOR         FADT_DESCRIPTOR_REV2
+
+
+#pragma pack(1)
+
+/*
+ * Architecture-independent tables
+ * The architecture dependent tables are in separate files
+ */
+typedef struct  /* Root System Descriptor Pointer */
+{
+    NATIVE_CHAR             Signature [8];          /* ACPI signature, contains "RSD PTR " */
+    UINT8                   Checksum;               /* To make sum of struct == 0 */
+    NATIVE_CHAR             OemId [6];              /* OEM identification */
+    UINT8                   Revision;               /* Must be 0 for 1.0, 2 for 2.0 */
+    UINT32                  RsdtPhysicalAddress;    /* 32-bit physical address of RSDT */
+    UINT32                  Length;                 /* XSDT Length in bytes including hdr */
+    UINT64                  XsdtPhysicalAddress;    /* 64-bit physical address of XSDT */
+    UINT8                   ExtendedChecksum;       /* Checksum of entire table */
+    NATIVE_CHAR             Reserved [3];           /* Reserved field must be 0 */
+
+} RSDP_DESCRIPTOR;
+
+
+typedef struct  /* ACPI common table header */
+{
+    NATIVE_CHAR             Signature [4];          /* ACPI signature (4 ASCII characters) */
+    UINT32                  Length;                 /* Length of table, in bytes, including header */
+    UINT8                   Revision;               /* ACPI Specification minor version # */
+    UINT8                   Checksum;               /* To make sum of entire table == 0 */
+    NATIVE_CHAR             OemId [6];              /* OEM identification */
+    NATIVE_CHAR             OemTableId [8];         /* OEM table identification */
+    UINT32                  OemRevision;            /* OEM revision number */
+    NATIVE_CHAR             AslCompilerId [4];      /* ASL compiler vendor ID */
+    UINT32                  AslCompilerRevision;    /* ASL compiler revision number */
+
+} ACPI_TABLE_HEADER;
+
+
+typedef struct  /* Common FACS for internal use */
+{
+    UINT32                  *GlobalLock;
+    UINT64                  *FirmwareWakingVector;
+    UINT8                   VectorWidth;
+
+} ACPI_COMMON_FACS;
+
+
+typedef struct  /* APIC Table */
+{
+    ACPI_TABLE_HEADER       Header;                 /* ACPI table header */
+    UINT32                  LocalApicAddress;       /* Physical address for accessing local APICs */
+    UINT32_BIT              PCATCompat      : 1;    /* a one indicates system also has dual 8259s */
+    UINT32_BIT              Reserved1       : 31;
+
+} APIC_TABLE;
+
+
+typedef struct  /* APIC Header */
+{
+    UINT8                   Type;                   /* APIC type.  Either APIC_PROC or APIC_IO */
+    UINT8                   Length;                 /* Length of APIC structure */
+
+} APIC_HEADER;
+
+
+typedef struct  /* Processor APIC */
+{
+    APIC_HEADER             Header;
+    UINT8                   ProcessorApicId;        /* ACPI processor id */
+    UINT8                   LocalApicId;            /* Processor's local APIC id */
+    UINT32_BIT              ProcessorEnabled: 1;    /* Processor is usable if set */
+    UINT32_BIT              Reserved1       : 31;
+
+} PROCESSOR_APIC;
+
+
+typedef struct  /* IO APIC */
+{
+    APIC_HEADER             Header;
+    UINT8                   IoApicId;               /* I/O APIC ID */
+    UINT8                   Reserved;               /* Reserved - must be zero */
+    UINT32                  IoApicAddress;          /* APIC's physical address */
+    UINT32                  Vector;                 /* Interrupt vector index where INTI
+                                                     * lines start */
+} IO_APIC;
+
+
+/*
+ *  IA64 TBD:  Add SAPIC Tables
+ */
+
+/*
+ *  IA64 TBD:   Modify Smart Battery Description to comply with ACPI IA64
+ *              extensions.
+ */
+typedef struct  /* Smart Battery Description Table */
+{
+    ACPI_TABLE_HEADER       Header;
+    UINT32                  WarningLevel;
+    UINT32                  LowLevel;
+    UINT32                  CriticalLevel;
+
+} SMART_BATTERY_DESCRIPTION_TABLE;
+
+
+#pragma pack()
+
+
+/*
+ * ACPI Table information.  We save the table address, length,
+ * and type of memory allocation (mapped or allocated) for each
+ * table for 1) when we exit, and 2) if a new table is installed
+ */
+#define ACPI_MEM_NOT_ALLOCATED  0
+#define ACPI_MEM_ALLOCATED      1
+#define ACPI_MEM_MAPPED         2
+
+/* Definitions for the Flags bitfield member of ACPI_TABLE_SUPPORT */
+
+#define ACPI_TABLE_SINGLE       0x00
+#define ACPI_TABLE_MULTIPLE     0x01
+#define ACPI_TABLE_EXECUTABLE   0x02
+
+#define ACPI_TABLE_ROOT         0x00
+#define ACPI_TABLE_PRIMARY      0x10
+#define ACPI_TABLE_SECONDARY    0x20
+#define ACPI_TABLE_OTHER        0x30
+#define ACPI_TABLE_TYPE_MASK    0x30
+
+/* Data about each known table type */
+
+typedef struct _AcpiTableSupport
+{
+    NATIVE_CHAR             *Name;
+    NATIVE_CHAR             *Signature;
+    void                    **GlobalPtr;
+    UINT8                   SigLength;
+    UINT8                   Flags;
+
+} ACPI_TABLE_SUPPORT;
+
+
+/*
+ * Get the architecture-specific tables
+ */
+#include "actbl1.h"   /* Acpi 1.0 table definitions */
+#include "actbl2.h"   /* Acpi 2.0 table definitions */
+
+#endif /* __ACTBL_H__ */
diff --git a/sys/contrib/dev/acpica/actbl1.h b/sys/contrib/dev/acpica/actbl1.h
new file mode 100644
index 0000000..c99792c
--- /dev/null
+++ b/sys/contrib/dev/acpica/actbl1.h
@@ -0,0 +1,211 @@
+/******************************************************************************
+ *
+ * Name: actbl1.h - ACPI 1.0 tables
+ *       $Revision: 21 $
+ *
+ *****************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+#ifndef __ACTBL1_H__
+#define __ACTBL1_H__
+
+#pragma pack(1)
+
+/*
+ * ACPI 1.0 Root System Description Table (RSDT)
+ */
+typedef struct
+{
+    ACPI_TABLE_HEADER       Header;                 /* ACPI Table header */
+    UINT32                  TableOffsetEntry [1];   /* Array of pointers to other */
+                                                    /* ACPI tables */
+} RSDT_DESCRIPTOR_REV1;
+
+
+/*
+ * ACPI 1.0 Firmware ACPI Control Structure (FACS)
+ */
+typedef struct
+{
+    NATIVE_CHAR             Signature[4];           /* ACPI Signature */
+    UINT32                  Length;                 /* Length of structure, in bytes */
+    UINT32                  HardwareSignature;      /* Hardware configuration signature */
+    UINT32                  FirmwareWakingVector;   /* ACPI OS waking vector */
+    UINT32                  GlobalLock;             /* Global Lock */
+    UINT32_BIT              S4Bios_f        : 1;    /* Indicates if S4BIOS support is present */
+    UINT32_BIT              Reserved1       : 31;   /* Must be 0 */
+    UINT8                   Resverved3 [40];        /* Reserved - must be zero */
+
+} FACS_DESCRIPTOR_REV1;
+
+
+/*
+ * ACPI 1.0 Fixed ACPI Description Table (FADT)
+ */
+typedef struct
+{
+    ACPI_TABLE_HEADER       Header;                 /* ACPI Table header */
+    UINT32                  FirmwareCtrl;           /* Physical address of FACS */
+    UINT32                  Dsdt;                   /* Physical address of DSDT */
+    UINT8                   Model;                  /* System Interrupt Model */
+    UINT8                   Reserved1;              /* Reserved */
+    UINT16                  SciInt;                 /* System vector of SCI interrupt */
+    UINT32                  SmiCmd;                 /* Port address of SMI command port */
+    UINT8                   AcpiEnable;             /* Value to write to smi_cmd to enable ACPI */
+    UINT8                   AcpiDisable;            /* Value to write to smi_cmd to disable ACPI */
+    UINT8                   S4BiosReq;              /* Value to write to SMI CMD to enter S4BIOS state */
+    UINT8                   Reserved2;              /* Reserved - must be zero */
+    UINT32                  Pm1aEvtBlk;             /* Port address of Power Mgt 1a AcpiEvent Reg Blk */
+    UINT32                  Pm1bEvtBlk;             /* Port address of Power Mgt 1b AcpiEvent Reg Blk */
+    UINT32                  Pm1aCntBlk;             /* Port address of Power Mgt 1a Control Reg Blk */
+    UINT32                  Pm1bCntBlk;             /* Port address of Power Mgt 1b Control Reg Blk */
+    UINT32                  Pm2CntBlk;              /* Port address of Power Mgt 2 Control Reg Blk */
+    UINT32                  PmTmrBlk;               /* Port address of Power Mgt Timer Ctrl Reg Blk */
+    UINT32                  Gpe0Blk;                /* Port addr of General Purpose AcpiEvent 0 Reg Blk */
+    UINT32                  Gpe1Blk;                /* Port addr of General Purpose AcpiEvent 1 Reg Blk */
+    UINT8                   Pm1EvtLen;              /* Byte Length of ports at pm1X_evt_blk */
+    UINT8                   Pm1CntLen;              /* Byte Length of ports at pm1X_cnt_blk */
+    UINT8                   Pm2CntLen;              /* Byte Length of ports at pm2_cnt_blk */
+    UINT8                   PmTmLen;                /* Byte Length of ports at pm_tm_blk */
+    UINT8                   Gpe0BlkLen;             /* Byte Length of ports at gpe0_blk */
+    UINT8                   Gpe1BlkLen;             /* Byte Length of ports at gpe1_blk */
+    UINT8                   Gpe1Base;               /* Offset in gpe model where gpe1 events start */
+    UINT8                   Reserved3;              /* Reserved */
+    UINT16                  Plvl2Lat;               /* Worst case HW latency to enter/exit C2 state */
+    UINT16                  Plvl3Lat;               /* Worst case HW latency to enter/exit C3 state */
+    UINT16                  FlushSize;              /* Size of area read to flush caches */
+    UINT16                  FlushStride;            /* Stride used in flushing caches */
+    UINT8                   DutyOffset;             /* Bit location of duty cycle field in p_cnt reg */
+    UINT8                   DutyWidth;              /* Bit width of duty cycle field in p_cnt reg */
+    UINT8                   DayAlrm;                /* Index to day-of-month alarm in RTC CMOS RAM */
+    UINT8                   MonAlrm;                /* Index to month-of-year alarm in RTC CMOS RAM */
+    UINT8                   Century;                /* Index to century in RTC CMOS RAM */
+    UINT8                   Reserved4;              /* Reserved */
+    UINT8                   Reserved4a;             /* Reserved */
+    UINT8                   Reserved4b;             /* Reserved */
+    UINT32_BIT              WbInvd          : 1;    /* The wbinvd instruction works properly */
+    UINT32_BIT              WbInvdFlush     : 1;    /* The wbinvd flushes but does not invalidate */
+    UINT32_BIT              ProcC1          : 1;    /* All processors support C1 state */
+    UINT32_BIT              Plvl2Up         : 1;    /* C2 state works on MP system */
+    UINT32_BIT              PwrButton       : 1;    /* Power button is handled as a generic feature */
+    UINT32_BIT              SleepButton     : 1;    /* Sleep button is handled as a generic feature, or not present */
+    UINT32_BIT              FixedRTC        : 1;    /* RTC wakeup stat not in fixed register space */
+    UINT32_BIT              Rtcs4           : 1;    /* RTC wakeup stat not possible from S4 */
+    UINT32_BIT              TmrValExt       : 1;    /* The tmr_val width is 32 bits (0 = 24 bits) */
+    UINT32_BIT              Reserved5       : 23;   /* Reserved - must be zero */
+
+}  FADT_DESCRIPTOR_REV1;
+
+#pragma pack()
+
+#endif /* __ACTBL1_H__ */
+
+
diff --git a/sys/contrib/dev/acpica/actbl2.h b/sys/contrib/dev/acpica/actbl2.h
new file mode 100644
index 0000000..0f81b3a
--- /dev/null
+++ b/sys/contrib/dev/acpica/actbl2.h
@@ -0,0 +1,277 @@
+/******************************************************************************
+ *
+ * Name: actbl2.h - ACPI Specification Revision 2.0 Tables
+ *       $Revision: 28 $
+ *
+ *****************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+#ifndef __ACTBL2_H__
+#define __ACTBL2_H__
+
+/*
+ * Prefered Power Management Profiles
+ */
+#define PM_UNSPECIFIED                  0
+#define PM_DESKTOP                      1
+#define PM_MOBILE                       2
+#define PM_WORKSTATION                  3
+#define PM_ENTERPRISE_SERVER            4
+#define PM_SOHO_SERVER                  5
+#define PM_APPLIANCE_PC                 6
+
+/*
+ * ACPI Boot Arch Flags
+ */
+#define BAF_LEGACY_DEVICES              0x0001
+#define BAF_8042_KEYBOARD_CONTROLLER    0x0002
+
+#define FADT2_REVISION_ID               3
+
+
+#pragma pack(1)
+
+/*
+ * ACPI 2.0 Root System Description Table (RSDT)
+ */
+typedef struct
+{
+    ACPI_TABLE_HEADER       Header;                 /* ACPI table header */
+    UINT32                  TableOffsetEntry [1];   /* Array of pointers to  */
+                                                    /* ACPI table headers */
+} RSDT_DESCRIPTOR_REV2;
+
+
+/*
+ * ACPI 2.0 Extended System Description Table (XSDT)
+ */
+typedef struct
+{
+    ACPI_TABLE_HEADER       Header;                 /* ACPI table header */
+    UINT64                  TableOffsetEntry [1];   /* Array of pointers to  */
+                                                    /* ACPI table headers */
+} XSDT_DESCRIPTOR_REV2;
+
+
+/*
+ * ACPI 2.0 Firmware ACPI Control Structure (FACS)
+ */
+typedef struct
+{
+    NATIVE_CHAR             Signature[4];           /* ACPI signature */
+    UINT32                  Length;                 /* Length of structure, in bytes */
+    UINT32                  HardwareSignature;      /* Hardware configuration signature */
+    UINT32                  FirmwareWakingVector;   /* 32bit physical address of the Firmware Waking Vector. */
+    UINT32                  GlobalLock;             /* Global Lock used to synchronize access to shared hardware resources */
+    UINT32                  S4Bios_f        : 1;    /* S4Bios_f - Indicates if S4BIOS support is present */
+    UINT32_BIT              Reserved1       : 31;   /* Must be 0 */
+    UINT64                  XFirmwareWakingVector;  /* 64bit physical address of the Firmware Waking Vector. */
+    UINT8                   Version;                /* Version of this table */
+    UINT8                   Reserved3 [31];         /* Reserved - must be zero */
+
+} FACS_DESCRIPTOR_REV2;
+
+
+/*
+ * ACPI 2.0 Generic Address Structure (GAS)
+ */
+typedef struct
+{
+    UINT8                   AddressSpaceId;         /* Address space where struct or register exists. */
+    UINT8                   RegisterBitWidth;       /* Size in bits of given register */
+    UINT8                   RegisterBitOffset;      /* Bit offset within the register */
+    UINT8                   Reserved;               /* Must be 0 */
+    UINT64                  Address;                /* 64-bit address of struct or register */
+
+} ACPI_GENERIC_ADDRESS;
+
+
+/*
+ * ACPI 2.0 Fixed ACPI Description Table (FADT)
+ */
+typedef struct
+{
+    ACPI_TABLE_HEADER       Header;             /* ACPI table header */
+    UINT32                  V1_FirmwareCtrl;    /* 32-bit physical address of FACS */
+    UINT32                  V1_Dsdt;            /* 32-bit physical address of DSDT */
+    UINT8                   Reserved1;          /* System Interrupt Model isn't used in ACPI 2.0*/
+    UINT8                   Prefer_PM_Profile;  /* Conveys preferred power management profile to OSPM. */
+    UINT16                  SciInt;             /* System vector of SCI interrupt */
+    UINT32                  SmiCmd;             /* Port address of SMI command port */
+    UINT8                   AcpiEnable;         /* Value to write to smi_cmd to enable ACPI */
+    UINT8                   AcpiDisable;        /* Value to write to smi_cmd to disable ACPI */
+    UINT8                   S4BiosReq;          /* Value to write to SMI CMD to enter S4BIOS state */
+    UINT8                   PstateCnt;          /* Processor performance state control*/
+    UINT32                  V1_Pm1aEvtBlk;      /* Port address of Power Mgt 1a AcpiEvent Reg Blk */
+    UINT32                  V1_Pm1bEvtBlk;      /* Port address of Power Mgt 1b AcpiEvent Reg Blk */
+    UINT32                  V1_Pm1aCntBlk;      /* Port address of Power Mgt 1a Control Reg Blk */
+    UINT32                  V1_Pm1bCntBlk;      /* Port address of Power Mgt 1b Control Reg Blk */
+    UINT32                  V1_Pm2CntBlk;       /* Port address of Power Mgt 2 Control Reg Blk */
+    UINT32                  V1_PmTmrBlk;        /* Port address of Power Mgt Timer Ctrl Reg Blk */
+    UINT32                  V1_Gpe0Blk;         /* Port addr of General Purpose AcpiEvent 0 Reg Blk */
+    UINT32                  V1_Gpe1Blk;         /* Port addr of General Purpose AcpiEvent 1 Reg Blk */
+    UINT8                   Pm1EvtLen;          /* Byte Length of ports at pm1X_evt_blk */
+    UINT8                   Pm1CntLen;          /* Byte Length of ports at pm1X_cnt_blk */
+    UINT8                   Pm2CntLen;          /* Byte Length of ports at pm2_cnt_blk */
+    UINT8                   PmTmLen;            /* Byte Length of ports at pm_tm_blk */
+    UINT8                   Gpe0BlkLen;         /* Byte Length of ports at gpe0_blk */
+    UINT8                   Gpe1BlkLen;         /* Byte Length of ports at gpe1_blk */
+    UINT8                   Gpe1Base;           /* Offset in gpe model where gpe1 events start */
+    UINT8                   CstCnt;             /* Support for the _CST object and C States change notification.*/
+    UINT16                  Plvl2Lat;           /* Worst case HW latency to enter/exit C2 state */
+    UINT16                  Plvl3Lat;           /* Worst case HW latency to enter/exit C3 state */
+    UINT16                  FlushSize;          /* Number of flush strides that need to be read */
+    UINT16                  FlushStride;        /* Processor's memory cache line width, in bytes */
+    UINT8                   DutyOffset;         /* Processor's duty cycle index in processor's P_CNT reg*/
+    UINT8                   DutyWidth;          /* Processor's duty cycle value bit width in P_CNT register.*/
+    UINT8                   DayAlrm;            /* Index to day-of-month alarm in RTC CMOS RAM */
+    UINT8                   MonAlrm;            /* Index to month-of-year alarm in RTC CMOS RAM */
+    UINT8                   Century;            /* Index to century in RTC CMOS RAM */
+    UINT16                  IapcBootArch;       /* IA-PC Boot Architecture Flags. See Table 5-10 for description*/
+    UINT8                   Reserved2;          /* Reserved */
+    UINT32_BIT              WbInvd      : 1;    /* The wbinvd instruction works properly */
+    UINT32_BIT              WbInvdFlush : 1;    /* The wbinvd flushes but does not invalidate */
+    UINT32_BIT              ProcC1      : 1;    /* All processors support C1 state */
+    UINT32_BIT              Plvl2Up     : 1;    /* C2 state works on MP system */
+    UINT32_BIT              PwrButton   : 1;    /* Power button is handled as a generic feature */
+    UINT32_BIT              SleepButton : 1;    /* Sleep button is handled as a generic feature, or not present */
+    UINT32_BIT              FixedRTC    : 1;    /* RTC wakeup stat not in fixed register space */
+    UINT32_BIT              Rtcs4       : 1;    /* RTC wakeup stat not possible from S4 */
+    UINT32_BIT              TmrValExt   : 1;    /* Indicates tmr_val is 32 bits 0=24-bits*/
+    UINT32_BIT              DockCap     : 1;    /* Supports Docking */
+    UINT32_BIT              ResetRegSup : 1;    /* Indicates system supports system reset via the FADT RESET_REG*/
+    UINT32_BIT              SealedCase  : 1;    /* Indicates system has no internal expansion capabilities and case is sealed. */
+    UINT32_BIT              Headless    : 1;    /* Indicates system does not have local video capabilities or local input devices.*/
+    UINT32_BIT              CpuSwSleep  : 1;    /* Indicates to OSPM that a processor native instruction */
+                                                /* Must be executed after writing the SLP_TYPx register. */
+    UINT32_BIT              Reserved6   : 18;   /* Reserved - must be zero */
+
+    ACPI_GENERIC_ADDRESS    ResetRegister;      /* Reset register address in GAS format */
+    UINT8                   ResetValue;         /* Value to write to the ResetRegister port to reset the system. */
+    UINT8                   Reserved7[3];       /* These three bytes must be zero */
+    UINT64                  XFirmwareCtrl;      /* 64-bit physical address of FACS */
+    UINT64                  XDsdt;              /* 64-bit physical address of DSDT */
+    ACPI_GENERIC_ADDRESS    XPm1aEvtBlk;        /* Extended Power Mgt 1a AcpiEvent Reg Blk address */
+    ACPI_GENERIC_ADDRESS    XPm1bEvtBlk;        /* Extended Power Mgt 1b AcpiEvent Reg Blk address */
+    ACPI_GENERIC_ADDRESS    XPm1aCntBlk;        /* Extended Power Mgt 1a Control Reg Blk address */
+    ACPI_GENERIC_ADDRESS    XPm1bCntBlk;        /* Extended Power Mgt 1b Control Reg Blk address */
+    ACPI_GENERIC_ADDRESS    XPm2CntBlk;         /* Extended Power Mgt 2 Control Reg Blk address */
+    ACPI_GENERIC_ADDRESS    XPmTmrBlk;          /* Extended Power Mgt Timer Ctrl Reg Blk address */
+    ACPI_GENERIC_ADDRESS    XGpe0Blk;           /* Extended General Purpose AcpiEvent 0 Reg Blk address */
+    ACPI_GENERIC_ADDRESS    XGpe1Blk;           /* Extended General Purpose AcpiEvent 1 Reg Blk address */
+
+}  FADT_DESCRIPTOR_REV2;
+
+
+#pragma pack()
+
+#endif /* __ACTBL2_H__ */
+
diff --git a/sys/contrib/dev/acpica/actbl71.h b/sys/contrib/dev/acpica/actbl71.h
new file mode 100644
index 0000000..6a84009
--- /dev/null
+++ b/sys/contrib/dev/acpica/actbl71.h
@@ -0,0 +1,238 @@
+/******************************************************************************
+ *
+ * Name: actbl71.h - IA-64 Extensions to the ACPI Spec Rev. 0.71
+ *                   This file includes tables specific to this
+ *                   specification revision.
+ *       $Revision: 12 $
+ *
+ *****************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+#ifndef __ACTBL71_H__
+#define __ACTBL71_H__
+
+
+/* 0.71 FADT AddressSpace data item bitmasks defines */
+/* If the associated bit is zero then it is in memory space else in io space */
+
+#define SMI_CMD_ADDRESS_SPACE       0x01
+#define PM1_BLK_ADDRESS_SPACE       0x02
+#define PM2_CNT_BLK_ADDRESS_SPACE   0x04
+#define PM_TMR_BLK_ADDRESS_SPACE    0x08
+#define GPE0_BLK_ADDRESS_SPACE      0x10
+#define GPE1_BLK_ADDRESS_SPACE      0x20
+
+/* Only for clarity in declarations */
+
+typedef UINT64              IO_ADDRESS;
+
+
+#pragma pack(1)
+typedef struct  /* Root System Descriptor Pointer */
+{
+    NATIVE_CHAR             Signature [8];          /* contains "RSD PTR " */
+    UINT8                   Checksum;               /* to make sum of struct == 0 */
+    NATIVE_CHAR             OemId [6];              /* OEM identification */
+    UINT8                   Reserved;               /* Must be 0 for 1.0, 2 for 2.0 */
+    UINT64                  RsdtPhysicalAddress;    /* 64-bit physical address of RSDT */
+} RSDP_DESCRIPTOR_REV071;
+
+
+/*****************************************/
+/* IA64 Extensions to ACPI Spec Rev 0.71 */
+/* for the Root System Description Table */
+/*****************************************/
+typedef struct
+{
+    ACPI_TABLE_HEADER   header;                 /* Table header */
+    UINT32              ReservedPad;            /* IA64 alignment, must be 0 */
+    UINT64              TableOffsetEntry [1];  /* Array of pointers to other */
+                                                /* tables' headers */
+} RSDT_DESCRIPTOR_REV071;
+
+
+/*******************************************/
+/* IA64 Extensions to ACPI Spec Rev 0.71   */
+/* for the Firmware ACPI Control Structure */
+/*******************************************/
+typedef struct
+{
+    NATIVE_CHAR         Signature[4];         /* signature "FACS" */
+    UINT32              Length;               /* length of structure, in bytes */
+    UINT32              HardwareSignature;    /* hardware configuration signature */
+    UINT32              Reserved4;            /* must be 0 */
+    UINT64              FirmwareWakingVector; /* ACPI OS waking vector */
+    UINT64              GlobalLock;           /* Global Lock */
+    UINT32_BIT          S4Bios_f      : 1;    /* Indicates if S4BIOS support is present */
+    UINT32_BIT          Reserved1     : 31;   /* must be 0 */
+    UINT8               Reserved3 [28];       /* reserved - must be zero */
+
+} FACS_DESCRIPTOR_REV071;
+
+
+/******************************************/
+/* IA64 Extensions to ACPI Spec Rev 0.71  */
+/* for the Fixed ACPI Description Table   */
+/******************************************/
+typedef struct
+{
+    ACPI_TABLE_HEADER   header;             /* table header */
+    UINT32              ReservedPad;        /* IA64 alignment, must be 0 */
+    UINT64              FirmwareCtrl;       /* 64-bit Physical address of FACS */
+    UINT64              Dsdt;               /* 64-bit Physical address of DSDT */
+    UINT8               Model;              /* System Interrupt Model */
+    UINT8               AddressSpace;       /* Address Space Bitmask */
+    UINT16              SciInt;             /* System vector of SCI interrupt */
+    UINT8               AcpiEnable;         /* value to write to smi_cmd to enable ACPI */
+    UINT8               AcpiDisable;        /* value to write to smi_cmd to disable ACPI */
+    UINT8               S4BiosReq;          /* Value to write to SMI CMD to enter S4BIOS state */
+    UINT8               Reserved2;          /* reserved - must be zero */
+    UINT64              SmiCmd;             /* Port address of SMI command port */
+    UINT64              Pm1aEvtBlk;         /* Port address of Power Mgt 1a AcpiEvent Reg Blk */
+    UINT64              Pm1bEvtBlk;         /* Port address of Power Mgt 1b AcpiEvent Reg Blk */
+    UINT64              Pm1aCntBlk;         /* Port address of Power Mgt 1a Control Reg Blk */
+    UINT64              Pm1bCntBlk;         /* Port address of Power Mgt 1b Control Reg Blk */
+    UINT64              Pm2CntBlk;          /* Port address of Power Mgt 2 Control Reg Blk */
+    UINT64              PmTmrBlk;           /* Port address of Power Mgt Timer Ctrl Reg Blk */
+    UINT64              Gpe0Blk;            /* Port addr of General Purpose AcpiEvent 0 Reg Blk */
+    UINT64              Gpe1Blk;            /* Port addr of General Purpose AcpiEvent 1 Reg Blk */
+    UINT8               Pm1EvtLen;          /* Byte Length of ports at pm1X_evt_blk */
+    UINT8               Pm1CntLen;          /* Byte Length of ports at pm1X_cnt_blk */
+    UINT8               Pm2CntLen;          /* Byte Length of ports at pm2_cnt_blk */
+    UINT8               PmTmLen;            /* Byte Length of ports at pm_tm_blk */
+    UINT8               Gpe0BlkLen;         /* Byte Length of ports at gpe0_blk */
+    UINT8               Gpe1BlkLen;         /* Byte Length of ports at gpe1_blk */
+    UINT8               Gpe1Base;           /* offset in gpe model where gpe1 events start */
+    UINT8               Reserved3;          /* reserved */
+    UINT16              Plvl2Lat;           /* worst case HW latency to enter/exit C2 state */
+    UINT16              Plvl3Lat;           /* worst case HW latency to enter/exit C3 state */
+    UINT8               DayAlrm;            /* index to day-of-month alarm in RTC CMOS RAM */
+    UINT8               MonAlrm;            /* index to month-of-year alarm in RTC CMOS RAM */
+    UINT8               Century;            /* index to century in RTC CMOS RAM */
+    UINT8               Reserved4;          /* reserved */
+    UINT32_BIT          FlushCash   : 1;    /* PAL_FLUSH_CACHE is correctly supported */
+    UINT32_BIT          Reserved5   : 1;    /* reserved - must be zero */
+    UINT32_BIT          ProcC1      : 1;    /* all processors support C1 state */
+    UINT32_BIT          Plvl2Up     : 1;    /* C2 state works on MP system */
+    UINT32_BIT          PwrButton   : 1;    /* Power button is handled as a generic feature */
+    UINT32_BIT          SleepButton : 1;    /* Sleep button is handled as a generic feature, or not present */
+    UINT32_BIT          FixedRTC    : 1;    /* RTC wakeup stat not in fixed register space */
+    UINT32_BIT          Rtcs4       : 1;    /* RTC wakeup stat not possible from S4 */
+    UINT32_BIT          TmrValExt   : 1;    /* tmr_val is 32 bits */
+    UINT32_BIT          DockCap     : 1;    /* Supports Docking */
+    UINT32_BIT          Reserved6   : 22;    /* reserved - must be zero */
+
+}  FADT_DESCRIPTOR_REV071;
+
+#pragma pack()
+
+#endif /* __ACTBL71_H__ */
+
diff --git a/sys/contrib/dev/acpica/actypes.h b/sys/contrib/dev/acpica/actypes.h
new file mode 100644
index 0000000..420ac3b
--- /dev/null
+++ b/sys/contrib/dev/acpica/actypes.h
@@ -0,0 +1,1317 @@
+/******************************************************************************
+ *
+ * Name: actypes.h - Common data types for the entire ACPI subsystem
+ *       $Revision: 241 $
+ *
+ *****************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+#ifndef __ACTYPES_H__
+#define __ACTYPES_H__
+
+/*! [Begin] no source code translation (keep the typedefs) */
+
+
+
+/*
+ * Data type ranges
+ */
+#define ACPI_UINT8_MAX                  (UINT8)  0xFF
+#define ACPI_UINT16_MAX                 (UINT16) 0xFFFF
+#define ACPI_UINT32_MAX                 (UINT32) 0xFFFFFFFF
+#define ACPI_UINT64_MAX                 (UINT64) 0xFFFFFFFFFFFFFFFF
+#define ACPI_ASCII_MAX                  0x7F
+
+
+
+/*
+ * Data types - Fixed across all compilation models (16/32/64)
+ *
+ * BOOLEAN      Logical Boolean.
+ * INT8         8-bit  (1 byte) signed value
+ * UINT8        8-bit  (1 byte) unsigned value
+ * INT16        16-bit (2 byte) signed value
+ * UINT16       16-bit (2 byte) unsigned value
+ * INT32        32-bit (4 byte) signed value
+ * UINT32       32-bit (4 byte) unsigned value
+ * INT64        64-bit (8 byte) signed value
+ * UINT64       64-bit (8 byte) unsigned value
+ * NATIVE_INT   32-bit on IA-32, 64-bit on IA-64 signed value
+ * NATIVE_UINT  32-bit on IA-32, 64-bit on IA-64 unsigned value
+ */
+
+#ifndef ACPI_MACHINE_WIDTH
+#error ACPI_MACHINE_WIDTH not defined
+#endif
+
+#if ACPI_MACHINE_WIDTH == 64
+/*
+ * 64-bit type definitions
+ */
+typedef unsigned char                   UINT8;
+typedef unsigned char                   BOOLEAN;
+typedef unsigned short                  UINT16;
+typedef int                             INT32;
+typedef unsigned int                    UINT32;
+typedef COMPILER_DEPENDENT_INT64        INT64;
+typedef COMPILER_DEPENDENT_UINT64       UINT64;
+
+typedef INT64                           NATIVE_INT;
+typedef UINT64                          NATIVE_UINT;
+
+typedef UINT32                          NATIVE_UINT_MAX32;
+typedef UINT64                          NATIVE_UINT_MIN32;
+
+typedef UINT64                          ACPI_TBLPTR;
+typedef UINT64                          ACPI_IO_ADDRESS;
+typedef UINT64                          ACPI_PHYSICAL_ADDRESS;
+typedef UINT64                          ACPI_SIZE;
+
+#define ALIGNED_ADDRESS_BOUNDARY        0x00000008      /* No hardware alignment support in IA64 */
+#define ACPI_USE_NATIVE_DIVIDE                          /* Native 64-bit integer support */
+#define ACPI_MAX_PTR                    ACPI_UINT64_MAX
+#define ACPI_SIZE_MAX                   ACPI_UINT64_MAX
+
+
+#elif ACPI_MACHINE_WIDTH == 16
+
+/*
+ * 16-bit type definitions
+ */
+typedef unsigned char                   UINT8;
+typedef unsigned char                   BOOLEAN;
+typedef unsigned int                    UINT16;
+typedef long                            INT32;
+typedef int                             INT16;
+typedef unsigned long                   UINT32;
+
+typedef struct
+{
+    UINT32                                  Lo;
+    UINT32                                  Hi;
+
+} UINT64;
+
+typedef UINT16                          NATIVE_UINT;
+typedef INT16                           NATIVE_INT;
+
+typedef UINT16                          NATIVE_UINT_MAX32;
+typedef UINT32                          NATIVE_UINT_MIN32;
+
+typedef UINT32                          ACPI_TBLPTR;
+typedef UINT32                          ACPI_IO_ADDRESS;
+typedef char                            *ACPI_PHYSICAL_ADDRESS;
+typedef UINT16                          ACPI_SIZE;
+
+#define ALIGNED_ADDRESS_BOUNDARY        0x00000002
+#define _HW_ALIGNMENT_SUPPORT
+#define ACPI_USE_NATIVE_DIVIDE                          /* No 64-bit integers, ok to use native divide */
+#define ACPI_MAX_PTR                    ACPI_UINT16_MAX
+#define ACPI_SIZE_MAX                   ACPI_UINT16_MAX
+
+/*
+ * (16-bit only) internal integers must be 32-bits, so
+ * 64-bit integers cannot be supported
+ */
+#define ACPI_NO_INTEGER64_SUPPORT
+
+
+#elif ACPI_MACHINE_WIDTH == 32
+
+/*
+ * 32-bit type definitions (default)
+ */
+typedef unsigned char                   UINT8;
+typedef unsigned char                   BOOLEAN;
+typedef unsigned short                  UINT16;
+typedef int                             INT32;
+typedef unsigned int                    UINT32;
+typedef COMPILER_DEPENDENT_INT64        INT64;
+typedef COMPILER_DEPENDENT_UINT64       UINT64;
+
+typedef INT32                           NATIVE_INT;
+typedef UINT32                          NATIVE_UINT;
+
+typedef UINT32                          NATIVE_UINT_MAX32;
+typedef UINT32                          NATIVE_UINT_MIN32;
+
+typedef UINT64                          ACPI_TBLPTR;
+typedef UINT32                          ACPI_IO_ADDRESS;
+typedef UINT64                          ACPI_PHYSICAL_ADDRESS;
+typedef UINT32                          ACPI_SIZE;
+
+#define ALIGNED_ADDRESS_BOUNDARY        0x00000004
+#define _HW_ALIGNMENT_SUPPORT
+#define ACPI_MAX_PTR                    ACPI_UINT32_MAX
+#define ACPI_SIZE_MAX                   ACPI_UINT32_MAX
+
+#else
+#error unknown ACPI_MACHINE_WIDTH
+#endif
+
+
+/*
+ * Miscellaneous common types
+ */
+typedef UINT32                          UINT32_BIT;
+typedef NATIVE_UINT                     ACPI_PTRDIFF;
+typedef char                            NATIVE_CHAR;
+
+
+#ifdef DEFINE_ALTERNATE_TYPES
+/*
+ * Types used only in translated source, defined here to enable
+ * cross-platform compilation only.
+ */
+typedef INT32                           s32;
+typedef UINT8                           u8;
+typedef UINT16                          u16;
+typedef UINT32                          u32;
+typedef UINT64                          u64;
+#endif
+/*! [End] no source code translation !*/
+
+
+/*
+ * Pointer overlays to avoid lots of typecasting for
+ * code that accepts both physical and logical pointers.
+ */
+typedef union acpi_ptrs
+{
+    ACPI_PHYSICAL_ADDRESS       Physical;
+    void                        *Logical;
+    ACPI_TBLPTR                 Value;
+
+} ACPI_POINTERS;
+
+typedef struct AcpiPointer
+{
+    UINT32                      PointerType;
+    union acpi_ptrs             Pointer;
+
+} ACPI_POINTER;
+
+/* PointerTypes for above */
+
+#define ACPI_PHYSICAL_POINTER           0x01
+#define ACPI_LOGICAL_POINTER            0x02
+
+/* Processor mode */
+
+#define ACPI_PHYSICAL_ADDRESSING        0x04
+#define ACPI_LOGICAL_ADDRESSING         0x08
+#define ACPI_MEMORY_MODE                0x0C
+
+#define ACPI_PHYSMODE_PHYSPTR           ACPI_PHYSICAL_ADDRESSING | ACPI_PHYSICAL_POINTER
+#define ACPI_LOGMODE_PHYSPTR            ACPI_LOGICAL_ADDRESSING  | ACPI_PHYSICAL_POINTER
+#define ACPI_LOGMODE_LOGPTR             ACPI_LOGICAL_ADDRESSING  | ACPI_LOGICAL_POINTER
+
+
+/*
+ * Useful defines
+ */
+#ifdef FALSE
+#undef FALSE
+#endif
+#define FALSE                           (1 == 0)
+
+#ifdef TRUE
+#undef TRUE
+#endif
+#define TRUE                            (1 == 1)
+
+#ifndef NULL
+#define NULL                            (void *) 0
+#endif
+
+
+/*
+ * Local datatypes
+ */
+typedef UINT32                          ACPI_STATUS;    /* All ACPI Exceptions */
+typedef UINT32                          ACPI_NAME;      /* 4-byte ACPI name */
+typedef char*                           ACPI_STRING;    /* Null terminated ASCII string */
+typedef void*                           ACPI_HANDLE;    /* Actually a ptr to an Node */
+
+typedef struct
+{
+    UINT32                      Lo;
+    UINT32                      Hi;
+
+} UINT64_STRUCT;
+
+typedef union
+{
+    UINT64                      Full;
+    UINT64_STRUCT               Part;
+
+} UINT64_OVERLAY;
+
+typedef struct
+{
+    UINT32                      Lo;
+    UINT32                      Hi;
+
+} UINT32_STRUCT;
+
+
+/*
+ * Acpi integer width. In ACPI version 1, integers are
+ * 32 bits.  In ACPI version 2, integers are 64 bits.
+ * Note that this pertains to the ACPI integer type only, not
+ * other integers used in the implementation of the ACPI CA
+ * subsystem.
+ */
+#ifdef ACPI_NO_INTEGER64_SUPPORT
+
+/* 32-bit integers only, no 64-bit support */
+
+typedef UINT32                          ACPI_INTEGER;
+#define ACPI_INTEGER_MAX                ACPI_UINT32_MAX
+#define ACPI_INTEGER_BIT_SIZE           32
+#define ACPI_MAX_BCD_VALUE              99999999
+#define ACPI_MAX_BCD_DIGITS             8
+#define ACPI_MAX_DECIMAL_DIGITS         10
+
+#define ACPI_USE_NATIVE_DIVIDE          /* Use compiler native 32-bit divide */
+
+
+#else
+
+/* 64-bit integers */
+
+typedef UINT64                          ACPI_INTEGER;
+#define ACPI_INTEGER_MAX                ACPI_UINT64_MAX
+#define ACPI_INTEGER_BIT_SIZE           64
+#define ACPI_MAX_BCD_VALUE              9999999999999999
+#define ACPI_MAX_BCD_DIGITS             16
+#define ACPI_MAX_DECIMAL_DIGITS         19
+
+#if ACPI_MACHINE_WIDTH == 64
+#define ACPI_USE_NATIVE_DIVIDE          /* Use compiler native 64-bit divide */
+#endif
+#endif
+
+
+/*
+ * Constants with special meanings
+ */
+#define ACPI_ROOT_OBJECT                (ACPI_HANDLE) ACPI_PTR_ADD (char, NULL, ACPI_MAX_PTR)
+
+
+/*
+ * Initialization sequence
+ */
+#define ACPI_FULL_INITIALIZATION        0x00
+#define ACPI_NO_ADDRESS_SPACE_INIT      0x01
+#define ACPI_NO_HARDWARE_INIT           0x02
+#define ACPI_NO_EVENT_INIT              0x04
+#define ACPI_NO_HANDLER_INIT            0x08
+#define ACPI_NO_ACPI_ENABLE             0x10
+#define ACPI_NO_DEVICE_INIT             0x20
+#define ACPI_NO_OBJECT_INIT             0x40
+
+/*
+ * Initialization state
+ */
+#define ACPI_INITIALIZED_OK             0x01
+
+/*
+ * Power state values
+ */
+
+#define ACPI_STATE_UNKNOWN              (UINT8) 0xFF
+
+#define ACPI_STATE_S0                   (UINT8) 0
+#define ACPI_STATE_S1                   (UINT8) 1
+#define ACPI_STATE_S2                   (UINT8) 2
+#define ACPI_STATE_S3                   (UINT8) 3
+#define ACPI_STATE_S4                   (UINT8) 4
+#define ACPI_STATE_S5                   (UINT8) 5
+#define ACPI_S_STATES_MAX               ACPI_STATE_S5
+#define ACPI_S_STATE_COUNT              6
+
+#define ACPI_STATE_D0                   (UINT8) 0
+#define ACPI_STATE_D1                   (UINT8) 1
+#define ACPI_STATE_D2                   (UINT8) 2
+#define ACPI_STATE_D3                   (UINT8) 3
+#define ACPI_D_STATES_MAX               ACPI_STATE_D3
+#define ACPI_D_STATE_COUNT              4
+
+#define ACPI_STATE_C0                   (UINT8) 0
+#define ACPI_STATE_C1                   (UINT8) 1
+#define ACPI_STATE_C2                   (UINT8) 2
+#define ACPI_STATE_C3                   (UINT8) 3
+#define ACPI_C_STATES_MAX               ACPI_STATE_C3
+#define ACPI_C_STATE_COUNT              4
+
+/*
+ * Sleep type invalid value
+ */
+#define ACPI_SLEEP_TYPE_MAX             0x7
+#define ACPI_SLEEP_TYPE_INVALID         0xFF
+
+/*
+ * Standard notify values
+ */
+#define ACPI_NOTIFY_BUS_CHECK           (UINT8) 0
+#define ACPI_NOTIFY_DEVICE_CHECK        (UINT8) 1
+#define ACPI_NOTIFY_DEVICE_WAKE         (UINT8) 2
+#define ACPI_NOTIFY_EJECT_REQUEST       (UINT8) 3
+#define ACPI_NOTIFY_DEVICE_CHECK_LIGHT  (UINT8) 4
+#define ACPI_NOTIFY_FREQUENCY_MISMATCH  (UINT8) 5
+#define ACPI_NOTIFY_BUS_MODE_MISMATCH   (UINT8) 6
+#define ACPI_NOTIFY_POWER_FAULT         (UINT8) 7
+
+
+/*
+ *  Table types.  These values are passed to the table related APIs
+ */
+typedef UINT32                          ACPI_TABLE_TYPE;
+
+#define ACPI_TABLE_RSDP                 (ACPI_TABLE_TYPE) 0
+#define ACPI_TABLE_DSDT                 (ACPI_TABLE_TYPE) 1
+#define ACPI_TABLE_FADT                 (ACPI_TABLE_TYPE) 2
+#define ACPI_TABLE_FACS                 (ACPI_TABLE_TYPE) 3
+#define ACPI_TABLE_PSDT                 (ACPI_TABLE_TYPE) 4
+#define ACPI_TABLE_SSDT                 (ACPI_TABLE_TYPE) 5
+#define ACPI_TABLE_XSDT                 (ACPI_TABLE_TYPE) 6
+#define ACPI_TABLE_MAX                  6
+#define NUM_ACPI_TABLES                 (ACPI_TABLE_MAX+1)
+
+
+/*
+ * Types associated with ACPI names and objects.  The first group of
+ * values (up to ACPI_TYPE_EXTERNAL_MAX) correspond to the definition
+ * of the ACPI ObjectType() operator (See the ACPI Spec).  Therefore,
+ * only add to the first group if the spec changes.
+ *
+ * Types must be kept in sync with the global AcpiNsProperties
+ * and AcpiNsTypeNames arrays.
+ */
+typedef UINT32                          ACPI_OBJECT_TYPE;
+
+#define ACPI_TYPE_ANY                   0x00
+#define ACPI_TYPE_INTEGER               0x01  /* Byte/Word/Dword/Zero/One/Ones */
+#define ACPI_TYPE_STRING                0x02
+#define ACPI_TYPE_BUFFER                0x03
+#define ACPI_TYPE_PACKAGE               0x04  /* ByteConst, multiple DataTerm/Constant/SuperName */
+#define ACPI_TYPE_FIELD_UNIT            0x05
+#define ACPI_TYPE_DEVICE                0x06  /* Name, multiple Node */
+#define ACPI_TYPE_EVENT                 0x07
+#define ACPI_TYPE_METHOD                0x08  /* Name, ByteConst, multiple Code */
+#define ACPI_TYPE_MUTEX                 0x09
+#define ACPI_TYPE_REGION                0x0A
+#define ACPI_TYPE_POWER                 0x0B  /* Name,ByteConst,WordConst,multi Node */
+#define ACPI_TYPE_PROCESSOR             0x0C  /* Name,ByteConst,DWordConst,ByteConst,multi NmO */
+#define ACPI_TYPE_THERMAL               0x0D  /* Name, multiple Node */
+#define ACPI_TYPE_BUFFER_FIELD          0x0E
+#define ACPI_TYPE_DDB_HANDLE            0x0F
+#define ACPI_TYPE_DEBUG_OBJECT          0x10
+
+#define ACPI_TYPE_EXTERNAL_MAX          0x10
+
+/*
+ * These are object types that do not map directly to the ACPI 
+ * ObjectType() operator. They are used for various internal purposes only.  
+ * If new predefined ACPI_TYPEs are added (via the ACPI specification), these 
+ * internal types must move upwards. (There is code that depends on these
+ * values being contiguous with the external types above.)
+ */
+#define ACPI_TYPE_LOCAL_REGION_FIELD    0x11
+#define ACPI_TYPE_LOCAL_BANK_FIELD      0x12
+#define ACPI_TYPE_LOCAL_INDEX_FIELD     0x13
+#define ACPI_TYPE_LOCAL_REFERENCE       0x14  /* Arg#, Local#, Name, Debug, RefOf, Index */
+#define ACPI_TYPE_LOCAL_ALIAS           0x15
+#define ACPI_TYPE_LOCAL_NOTIFY          0x16
+#define ACPI_TYPE_LOCAL_ADDRESS_HANDLER 0x17
+#define ACPI_TYPE_LOCAL_RESOURCE        0x18
+#define ACPI_TYPE_LOCAL_RESOURCE_FIELD  0x19
+#define ACPI_TYPE_LOCAL_SCOPE           0x1A  /* 1 Name, multiple ObjectList Nodes */
+
+#define ACPI_TYPE_NS_NODE_MAX           0x1A  /* Last typecode used within a NS Node */
+
+/*
+ * These are special object types that never appear in
+ * a Namespace node, only in an ACPI_OPERAND_OBJECT
+ */
+#define ACPI_TYPE_LOCAL_EXTRA           0x1B
+#define ACPI_TYPE_LOCAL_DATA            0x1C
+
+#define ACPI_TYPE_LOCAL_MAX             0x1C
+
+/* All types above here are invalid */
+
+#define ACPI_TYPE_INVALID               0x1D
+#define ACPI_TYPE_NOT_FOUND             0xFF
+
+
+/*
+ * Bitmapped ACPI types.  Used internally only
+ */
+#define ACPI_BTYPE_ANY                  0x00000000
+#define ACPI_BTYPE_INTEGER              0x00000001
+#define ACPI_BTYPE_STRING               0x00000002
+#define ACPI_BTYPE_BUFFER               0x00000004
+#define ACPI_BTYPE_PACKAGE              0x00000008
+#define ACPI_BTYPE_FIELD_UNIT           0x00000010
+#define ACPI_BTYPE_DEVICE               0x00000020
+#define ACPI_BTYPE_EVENT                0x00000040
+#define ACPI_BTYPE_METHOD               0x00000080
+#define ACPI_BTYPE_MUTEX                0x00000100
+#define ACPI_BTYPE_REGION               0x00000200
+#define ACPI_BTYPE_POWER                0x00000400
+#define ACPI_BTYPE_PROCESSOR            0x00000800
+#define ACPI_BTYPE_THERMAL              0x00001000
+#define ACPI_BTYPE_BUFFER_FIELD         0x00002000
+#define ACPI_BTYPE_DDB_HANDLE           0x00004000
+#define ACPI_BTYPE_DEBUG_OBJECT         0x00008000
+#define ACPI_BTYPE_REFERENCE            0x00010000
+#define ACPI_BTYPE_RESOURCE             0x00020000
+
+#define ACPI_BTYPE_COMPUTE_DATA         (ACPI_BTYPE_INTEGER | ACPI_BTYPE_STRING | ACPI_BTYPE_BUFFER)
+
+#define ACPI_BTYPE_DATA                 (ACPI_BTYPE_COMPUTE_DATA  | ACPI_BTYPE_PACKAGE)
+#define ACPI_BTYPE_DATA_REFERENCE       (ACPI_BTYPE_DATA | ACPI_BTYPE_REFERENCE | ACPI_BTYPE_DDB_HANDLE)
+#define ACPI_BTYPE_DEVICE_OBJECTS       (ACPI_BTYPE_DEVICE | ACPI_BTYPE_THERMAL | ACPI_BTYPE_PROCESSOR)
+#define ACPI_BTYPE_OBJECTS_AND_REFS     0x0001FFFF  /* ARG or LOCAL */
+#define ACPI_BTYPE_ALL_OBJECTS          0x0000FFFF
+
+/*
+ * All I/O
+ */
+#define ACPI_READ                       0
+#define ACPI_WRITE                      1
+#define ACPI_IO_MASK                    1
+
+
+/*
+ * AcpiEvent Types: Fixed & General Purpose
+ */
+typedef UINT32                          ACPI_EVENT_TYPE;
+
+#define ACPI_EVENT_FIXED                0
+#define ACPI_EVENT_GPE                  1
+
+/*
+ * Fixed events
+ */
+#define ACPI_EVENT_PMTIMER              0
+#define ACPI_EVENT_GLOBAL               1
+#define ACPI_EVENT_POWER_BUTTON         2
+#define ACPI_EVENT_SLEEP_BUTTON         3
+#define ACPI_EVENT_RTC                  4
+#define ACPI_EVENT_MAX                  4
+#define ACPI_NUM_FIXED_EVENTS           ACPI_EVENT_MAX + 1
+
+#define ACPI_GPE_INVALID                0xFF
+#define ACPI_GPE_MAX                    0xFF
+#define ACPI_NUM_GPE                    256
+
+#define ACPI_EVENT_LEVEL_TRIGGERED      1
+#define ACPI_EVENT_EDGE_TRIGGERED       2
+
+/*
+ * GPEs
+ */
+#define ACPI_EVENT_WAKE_ENABLE          0x1
+#define ACPI_EVENT_WAKE_DISABLE         0x1
+
+
+/*
+ * AcpiEvent Status:
+ * -------------
+ * The encoding of ACPI_EVENT_STATUS is illustrated below.
+ * Note that a set bit (1) indicates the property is TRUE
+ * (e.g. if bit 0 is set then the event is enabled).
+ * +-------------+-+-+-+
+ * |   Bits 31:3 |2|1|0|
+ * +-------------+-+-+-+
+ *          |     | | |
+ *          |     | | +- Enabled?
+ *          |     | +--- Enabled for wake?
+ *          |     +----- Set?
+ *          +----------- <Reserved>
+ */
+typedef UINT32                          ACPI_EVENT_STATUS;
+
+#define ACPI_EVENT_FLAG_DISABLED        (ACPI_EVENT_STATUS) 0x00
+#define ACPI_EVENT_FLAG_ENABLED         (ACPI_EVENT_STATUS) 0x01
+#define ACPI_EVENT_FLAG_WAKE_ENABLED    (ACPI_EVENT_STATUS) 0x02
+#define ACPI_EVENT_FLAG_SET             (ACPI_EVENT_STATUS) 0x04
+
+
+/* Notify types */
+
+#define ACPI_SYSTEM_NOTIFY              0
+#define ACPI_DEVICE_NOTIFY              1
+#define ACPI_MAX_NOTIFY_HANDLER_TYPE    1
+
+#define ACPI_MAX_SYS_NOTIFY             0x7f
+
+
+/* Address Space (Operation Region) Types */
+
+typedef UINT8                           ACPI_ADR_SPACE_TYPE;
+
+#define ACPI_ADR_SPACE_SYSTEM_MEMORY    (ACPI_ADR_SPACE_TYPE) 0
+#define ACPI_ADR_SPACE_SYSTEM_IO        (ACPI_ADR_SPACE_TYPE) 1
+#define ACPI_ADR_SPACE_PCI_CONFIG       (ACPI_ADR_SPACE_TYPE) 2
+#define ACPI_ADR_SPACE_EC               (ACPI_ADR_SPACE_TYPE) 3
+#define ACPI_ADR_SPACE_SMBUS            (ACPI_ADR_SPACE_TYPE) 4
+#define ACPI_ADR_SPACE_CMOS             (ACPI_ADR_SPACE_TYPE) 5
+#define ACPI_ADR_SPACE_PCI_BAR_TARGET   (ACPI_ADR_SPACE_TYPE) 6
+#define ACPI_ADR_SPACE_DATA_TABLE       (ACPI_ADR_SPACE_TYPE) 7
+
+
+/*
+ * BitRegister IDs
+ * These are bitfields defined within the full ACPI registers
+ */
+#define ACPI_BITREG_TIMER_STATUS                0x00
+#define ACPI_BITREG_BUS_MASTER_STATUS           0x01
+#define ACPI_BITREG_GLOBAL_LOCK_STATUS          0x02
+#define ACPI_BITREG_POWER_BUTTON_STATUS         0x03
+#define ACPI_BITREG_SLEEP_BUTTON_STATUS         0x04
+#define ACPI_BITREG_RT_CLOCK_STATUS             0x05
+#define ACPI_BITREG_WAKE_STATUS                 0x06
+
+#define ACPI_BITREG_TIMER_ENABLE                0x07
+#define ACPI_BITREG_GLOBAL_LOCK_ENABLE          0x08
+#define ACPI_BITREG_POWER_BUTTON_ENABLE         0x09
+#define ACPI_BITREG_SLEEP_BUTTON_ENABLE         0x0A
+#define ACPI_BITREG_RT_CLOCK_ENABLE             0x0B
+#define ACPI_BITREG_WAKE_ENABLE                 0x0C
+
+#define ACPI_BITREG_SCI_ENABLE                  0x0D
+#define ACPI_BITREG_BUS_MASTER_RLD              0x0E
+#define ACPI_BITREG_GLOBAL_LOCK_RELEASE         0x0F
+#define ACPI_BITREG_SLEEP_TYPE_A                0x10
+#define ACPI_BITREG_SLEEP_TYPE_B                0x11
+#define ACPI_BITREG_SLEEP_ENABLE                0x12
+
+#define ACPI_BITREG_ARB_DISABLE                 0x13
+
+#define ACPI_BITREG_MAX                         0x13
+#define ACPI_NUM_BITREG                         ACPI_BITREG_MAX + 1
+
+
+/*
+ * External ACPI object definition
+ */
+typedef union AcpiObj
+{
+    ACPI_OBJECT_TYPE            Type;   /* See definition of AcpiNsType for values */
+    struct
+    {
+        ACPI_OBJECT_TYPE            Type;
+        ACPI_INTEGER                Value;      /* The actual number */
+    } Integer;
+
+    struct
+    {
+        ACPI_OBJECT_TYPE            Type;
+        UINT32                      Length;     /* # of bytes in string, excluding trailing null */
+        NATIVE_CHAR                 *Pointer;   /* points to the string value */
+    } String;
+
+    struct
+    {
+        ACPI_OBJECT_TYPE            Type;
+        UINT32                      Length;     /* # of bytes in buffer */
+        UINT8                       *Pointer;   /* points to the buffer */
+    } Buffer;
+
+    struct
+    {
+        ACPI_OBJECT_TYPE            Type;
+        UINT32                      Fill1;
+        ACPI_HANDLE                 Handle;     /* object reference */
+    } Reference;
+
+    struct
+    {
+        ACPI_OBJECT_TYPE            Type;
+        UINT32                      Count;      /* # of elements in package */
+        union AcpiObj               *Elements;  /* Pointer to an array of ACPI_OBJECTs */
+    } Package;
+
+    struct
+    {
+        ACPI_OBJECT_TYPE            Type;
+        UINT32                      ProcId;
+        ACPI_IO_ADDRESS             PblkAddress;
+        UINT32                      PblkLength;
+    } Processor;
+
+    struct
+    {
+        ACPI_OBJECT_TYPE            Type;
+        UINT32                      SystemLevel;
+        UINT32                      ResourceOrder;
+    } PowerResource;
+
+} ACPI_OBJECT;
+
+
+/*
+ * List of objects, used as a parameter list for control method evaluation
+ */
+typedef struct AcpiObjList
+{
+    UINT32                      Count;
+    ACPI_OBJECT                 *Pointer;
+
+} ACPI_OBJECT_LIST;
+
+
+/*
+ * Miscellaneous common Data Structures used by the interfaces
+ */
+#define ACPI_NO_BUFFER              0
+#define ACPI_ALLOCATE_BUFFER        (ACPI_SIZE) (-1)
+#define ACPI_ALLOCATE_LOCAL_BUFFER  (ACPI_SIZE) (-2)
+
+typedef struct
+{
+    ACPI_SIZE                   Length;         /* Length in bytes of the buffer */
+    void                        *Pointer;       /* pointer to buffer */
+
+} ACPI_BUFFER;
+
+
+/*
+ * NameType for AcpiGetName
+ */
+#define ACPI_FULL_PATHNAME              0
+#define ACPI_SINGLE_NAME                1
+#define ACPI_NAME_TYPE_MAX              1
+
+
+/*
+ * Structure and flags for AcpiGetSystemInfo
+ */
+#define ACPI_SYS_MODE_UNKNOWN           0x0000
+#define ACPI_SYS_MODE_ACPI              0x0001
+#define ACPI_SYS_MODE_LEGACY            0x0002
+#define ACPI_SYS_MODES_MASK             0x0003
+
+
+/*
+ * ACPI Table Info.  One per ACPI table _type_
+ */
+typedef struct AcpiTableInfo
+{
+    UINT32                      Count;
+
+} ACPI_TABLE_INFO;
+
+
+/*
+ * System info returned by AcpiGetSystemInfo()
+ */
+typedef struct _AcpiSysInfo
+{
+    UINT32                      AcpiCaVersion;
+    UINT32                      Flags;
+    UINT32                      TimerResolution;
+    UINT32                      Reserved1;
+    UINT32                      Reserved2;
+    UINT32                      DebugLevel;
+    UINT32                      DebugLayer;
+    UINT32                      NumTableTypes;
+    ACPI_TABLE_INFO             TableInfo [NUM_ACPI_TABLES];
+
+} ACPI_SYSTEM_INFO;
+
+
+/*
+ * Various handlers and callback procedures
+ */
+typedef
+UINT32 (*ACPI_EVENT_HANDLER) (
+    void                        *Context);
+
+typedef
+void (*ACPI_GPE_HANDLER) (
+    void                        *Context);
+
+typedef
+void (*ACPI_NOTIFY_HANDLER) (
+    ACPI_HANDLE                 Device,
+    UINT32                      Value,
+    void                        *Context);
+
+typedef
+void (*ACPI_OBJECT_HANDLER) (
+    ACPI_HANDLE                 Object,
+    UINT32                      Function,
+    void                        *Data);
+
+typedef
+ACPI_STATUS (*ACPI_INIT_HANDLER) (
+    ACPI_HANDLE                 Object,
+    UINT32                      Function);
+
+#define ACPI_INIT_DEVICE_INI        1
+
+
+/* Address Spaces (Operation Regions */
+
+typedef
+ACPI_STATUS (*ACPI_ADR_SPACE_HANDLER) (
+    UINT32                      Function,
+    ACPI_PHYSICAL_ADDRESS       Address,
+    UINT32                      BitWidth,
+    ACPI_INTEGER                *Value,
+    void                        *HandlerContext,
+    void                        *RegionContext);
+
+#define ACPI_DEFAULT_HANDLER        NULL
+
+
+typedef
+ACPI_STATUS (*ACPI_ADR_SPACE_SETUP) (
+    ACPI_HANDLE                 RegionHandle,
+    UINT32                      Function,
+    void                        *HandlerContext,
+    void                        **RegionContext);
+
+#define ACPI_REGION_ACTIVATE    0
+#define ACPI_REGION_DEACTIVATE  1
+
+typedef
+ACPI_STATUS (*ACPI_WALK_CALLBACK) (
+    ACPI_HANDLE                 ObjHandle,
+    UINT32                      NestingLevel,
+    void                        *Context,
+    void                        **ReturnValue);
+
+
+/* Interrupt handler return values */
+
+#define ACPI_INTERRUPT_NOT_HANDLED      0x00
+#define ACPI_INTERRUPT_HANDLED          0x01
+
+
+/* Structure and flags for AcpiGetDeviceInfo */
+
+#define ACPI_VALID_HID                  0x1
+#define ACPI_VALID_UID                  0x2
+#define ACPI_VALID_ADR                  0x4
+#define ACPI_VALID_STA                  0x8
+
+
+#define ACPI_COMMON_OBJ_INFO \
+    ACPI_OBJECT_TYPE            Type;           /* ACPI object type */ \
+    ACPI_NAME                   Name            /* ACPI object Name */
+
+
+typedef struct
+{
+    ACPI_COMMON_OBJ_INFO;
+} ACPI_OBJ_INFO_HEADER;
+
+
+typedef struct
+{
+    ACPI_COMMON_OBJ_INFO;
+
+    UINT32                      Valid;              /*  Are the next bits legit? */
+    NATIVE_CHAR                 HardwareId[9];      /*  _HID value if any */
+    NATIVE_CHAR                 UniqueId[9];        /*  _UID value if any */
+    ACPI_INTEGER                Address;            /*  _ADR value if any */
+    UINT32                      CurrentStatus;      /*  _STA value */
+} ACPI_DEVICE_INFO;
+
+
+/* Context structs for address space handlers */
+
+typedef struct
+{
+    UINT16                      Segment;
+    UINT16                      Bus;
+    UINT16                      Device;
+    UINT16                      Function;
+} ACPI_PCI_ID;
+
+
+typedef struct
+{
+    UINT32                      Length;
+    ACPI_PHYSICAL_ADDRESS       Address;
+    ACPI_PHYSICAL_ADDRESS       MappedPhysicalAddress;
+    UINT8                       *MappedLogicalAddress;
+    ACPI_SIZE                   MappedLength;
+} ACPI_MEM_SPACE_CONTEXT;
+
+
+/* Sleep states */
+
+#define ACPI_NUM_SLEEP_STATES           7
+
+
+/*
+ * Definitions for Resource Attributes
+ */
+
+/*
+ *  Memory Attributes
+ */
+#define ACPI_READ_ONLY_MEMORY           (UINT8) 0x00
+#define ACPI_READ_WRITE_MEMORY          (UINT8) 0x01
+
+#define ACPI_NON_CACHEABLE_MEMORY       (UINT8) 0x00
+#define ACPI_CACHABLE_MEMORY            (UINT8) 0x01
+#define ACPI_WRITE_COMBINING_MEMORY     (UINT8) 0x02
+#define ACPI_PREFETCHABLE_MEMORY        (UINT8) 0x03
+
+/*
+ *  IO Attributes
+ *  The ISA IO ranges are:     n000-n0FFh,  n400-n4FFh, n800-n8FFh, nC00-nCFFh.
+ *  The non-ISA IO ranges are: n100-n3FFh,  n500-n7FFh, n900-nBFFh, nCD0-nFFFh.
+ */
+#define ACPI_NON_ISA_ONLY_RANGES        (UINT8) 0x01
+#define ACPI_ISA_ONLY_RANGES            (UINT8) 0x02
+#define ACPI_ENTIRE_RANGE               (ACPI_NON_ISA_ONLY_RANGES | ACPI_ISA_ONLY_RANGES)
+
+/*
+ *  IO Port Descriptor Decode
+ */
+#define ACPI_DECODE_10                  (UINT8) 0x00    /* 10-bit IO address decode */
+#define ACPI_DECODE_16                  (UINT8) 0x01    /* 16-bit IO address decode */
+
+/*
+ *  IRQ Attributes
+ */
+#define ACPI_EDGE_SENSITIVE             (UINT8) 0x00
+#define ACPI_LEVEL_SENSITIVE            (UINT8) 0x01
+
+#define ACPI_ACTIVE_HIGH                (UINT8) 0x00
+#define ACPI_ACTIVE_LOW                 (UINT8) 0x01
+
+#define ACPI_EXCLUSIVE                  (UINT8) 0x00
+#define ACPI_SHARED                     (UINT8) 0x01
+
+/*
+ *  DMA Attributes
+ */
+#define ACPI_COMPATIBILITY              (UINT8) 0x00
+#define ACPI_TYPE_A                     (UINT8) 0x01
+#define ACPI_TYPE_B                     (UINT8) 0x02
+#define ACPI_TYPE_F                     (UINT8) 0x03
+
+#define ACPI_NOT_BUS_MASTER             (UINT8) 0x00
+#define ACPI_BUS_MASTER                 (UINT8) 0x01
+
+#define ACPI_TRANSFER_8                 (UINT8) 0x00
+#define ACPI_TRANSFER_8_16              (UINT8) 0x01
+#define ACPI_TRANSFER_16                (UINT8) 0x02
+
+/*
+ * Start Dependent Functions Priority definitions
+ */
+#define ACPI_GOOD_CONFIGURATION         (UINT8) 0x00
+#define ACPI_ACCEPTABLE_CONFIGURATION   (UINT8) 0x01
+#define ACPI_SUB_OPTIMAL_CONFIGURATION  (UINT8) 0x02
+
+/*
+ *  16, 32 and 64-bit Address Descriptor resource types
+ */
+#define ACPI_MEMORY_RANGE               (UINT8) 0x00
+#define ACPI_IO_RANGE                   (UINT8) 0x01
+#define ACPI_BUS_NUMBER_RANGE           (UINT8) 0x02
+
+#define ACPI_ADDRESS_NOT_FIXED          (UINT8) 0x00
+#define ACPI_ADDRESS_FIXED              (UINT8) 0x01
+
+#define ACPI_POS_DECODE                 (UINT8) 0x00
+#define ACPI_SUB_DECODE                 (UINT8) 0x01
+
+#define ACPI_PRODUCER                   (UINT8) 0x00
+#define ACPI_CONSUMER                   (UINT8) 0x01
+
+
+/*
+ *  Structures used to describe device resources
+ */
+typedef struct
+{
+    UINT32                      EdgeLevel;
+    UINT32                      ActiveHighLow;
+    UINT32                      SharedExclusive;
+    UINT32                      NumberOfInterrupts;
+    UINT32                      Interrupts[1];
+
+} ACPI_RESOURCE_IRQ;
+
+typedef struct
+{
+    UINT32                      Type;
+    UINT32                      BusMaster;
+    UINT32                      Transfer;
+    UINT32                      NumberOfChannels;
+    UINT32                      Channels[1];
+
+} ACPI_RESOURCE_DMA;
+
+typedef struct
+{
+    UINT32                      CompatibilityPriority;
+    UINT32                      PerformanceRobustness;
+
+} ACPI_RESOURCE_START_DPF;
+
+/*
+ * END_DEPENDENT_FUNCTIONS_RESOURCE struct is not
+ * needed because it has no fields
+ */
+
+typedef struct
+{
+    UINT32                      IoDecode;
+    UINT32                      MinBaseAddress;
+    UINT32                      MaxBaseAddress;
+    UINT32                      Alignment;
+    UINT32                      RangeLength;
+
+} ACPI_RESOURCE_IO;
+
+typedef struct
+{
+    UINT32                      BaseAddress;
+    UINT32                      RangeLength;
+
+} ACPI_RESOURCE_FIXED_IO;
+
+typedef struct
+{
+    UINT32                      Length;
+    UINT8                       Reserved[1];
+
+} ACPI_RESOURCE_VENDOR;
+
+typedef struct
+{
+    UINT8                       Checksum;
+
+} ACPI_RESOURCE_END_TAG;
+
+typedef struct
+{
+    UINT32                      ReadWriteAttribute;
+    UINT32                      MinBaseAddress;
+    UINT32                      MaxBaseAddress;
+    UINT32                      Alignment;
+    UINT32                      RangeLength;
+
+} ACPI_RESOURCE_MEM24;
+
+typedef struct
+{
+    UINT32                      ReadWriteAttribute;
+    UINT32                      MinBaseAddress;
+    UINT32                      MaxBaseAddress;
+    UINT32                      Alignment;
+    UINT32                      RangeLength;
+
+} ACPI_RESOURCE_MEM32;
+
+typedef struct
+{
+    UINT32                      ReadWriteAttribute;
+    UINT32                      RangeBaseAddress;
+    UINT32                      RangeLength;
+
+} ACPI_RESOURCE_FIXED_MEM32;
+
+typedef struct
+{
+    UINT16                      CacheAttribute;
+    UINT16                      ReadWriteAttribute;
+
+} ACPI_MEMORY_ATTRIBUTE;
+
+typedef struct
+{
+    UINT16                      RangeAttribute;
+    UINT16                      Reserved;
+
+} ACPI_IO_ATTRIBUTE;
+
+typedef struct
+{
+    UINT16                      Reserved1;
+    UINT16                      Reserved2;
+
+} ACPI_BUS_ATTRIBUTE;
+
+typedef union
+{
+    ACPI_MEMORY_ATTRIBUTE       Memory;
+    ACPI_IO_ATTRIBUTE           Io;
+    ACPI_BUS_ATTRIBUTE          Bus;
+
+} ACPI_RESOURCE_ATTRIBUTE;
+
+typedef struct
+{
+    UINT32                      Index;
+    UINT32                      StringLength;
+    NATIVE_CHAR                 *StringPtr;
+
+} ACPI_RESOURCE_SOURCE;
+
+typedef struct
+{
+    UINT32                      ResourceType;
+    UINT32                      ProducerConsumer;
+    UINT32                      Decode;
+    UINT32                      MinAddressFixed;
+    UINT32                      MaxAddressFixed;
+    ACPI_RESOURCE_ATTRIBUTE     Attribute;
+    UINT32                      Granularity;
+    UINT32                      MinAddressRange;
+    UINT32                      MaxAddressRange;
+    UINT32                      AddressTranslationOffset;
+    UINT32                      AddressLength;
+    ACPI_RESOURCE_SOURCE        ResourceSource;
+
+} ACPI_RESOURCE_ADDRESS16;
+
+typedef struct
+{
+    UINT32                      ResourceType;
+    UINT32                      ProducerConsumer;
+    UINT32                      Decode;
+    UINT32                      MinAddressFixed;
+    UINT32                      MaxAddressFixed;
+    ACPI_RESOURCE_ATTRIBUTE     Attribute;
+    UINT32                      Granularity;
+    UINT32                      MinAddressRange;
+    UINT32                      MaxAddressRange;
+    UINT32                      AddressTranslationOffset;
+    UINT32                      AddressLength;
+    ACPI_RESOURCE_SOURCE        ResourceSource;
+
+} ACPI_RESOURCE_ADDRESS32;
+
+typedef struct
+{
+    UINT32                      ResourceType;
+    UINT32                      ProducerConsumer;
+    UINT32                      Decode;
+    UINT32                      MinAddressFixed;
+    UINT32                      MaxAddressFixed;
+    ACPI_RESOURCE_ATTRIBUTE     Attribute;
+    UINT64                      Granularity;
+    UINT64                      MinAddressRange;
+    UINT64                      MaxAddressRange;
+    UINT64                      AddressTranslationOffset;
+    UINT64                      AddressLength;
+    ACPI_RESOURCE_SOURCE        ResourceSource;
+
+} ACPI_RESOURCE_ADDRESS64;
+
+typedef struct
+{
+    UINT32                      ProducerConsumer;
+    UINT32                      EdgeLevel;
+    UINT32                      ActiveHighLow;
+    UINT32                      SharedExclusive;
+    UINT32                      NumberOfInterrupts;
+    ACPI_RESOURCE_SOURCE        ResourceSource;
+    UINT32                      Interrupts[1];
+
+} ACPI_RESOURCE_EXT_IRQ;
+
+
+/* ACPI_RESOURCE_TYPEs */
+
+#define ACPI_RSTYPE_IRQ                 0
+#define ACPI_RSTYPE_DMA                 1
+#define ACPI_RSTYPE_START_DPF           2
+#define ACPI_RSTYPE_END_DPF             3
+#define ACPI_RSTYPE_IO                  4
+#define ACPI_RSTYPE_FIXED_IO            5
+#define ACPI_RSTYPE_VENDOR              6
+#define ACPI_RSTYPE_END_TAG             7
+#define ACPI_RSTYPE_MEM24               8
+#define ACPI_RSTYPE_MEM32               9
+#define ACPI_RSTYPE_FIXED_MEM32         10
+#define ACPI_RSTYPE_ADDRESS16           11
+#define ACPI_RSTYPE_ADDRESS32           12
+#define ACPI_RSTYPE_ADDRESS64           13
+#define ACPI_RSTYPE_EXT_IRQ             14
+
+typedef UINT32                          ACPI_RESOURCE_TYPE;
+
+typedef union
+{
+    ACPI_RESOURCE_IRQ           Irq;
+    ACPI_RESOURCE_DMA           Dma;
+    ACPI_RESOURCE_START_DPF     StartDpf;
+    ACPI_RESOURCE_IO            Io;
+    ACPI_RESOURCE_FIXED_IO      FixedIo;
+    ACPI_RESOURCE_VENDOR        VendorSpecific;
+    ACPI_RESOURCE_END_TAG       EndTag;
+    ACPI_RESOURCE_MEM24         Memory24;
+    ACPI_RESOURCE_MEM32         Memory32;
+    ACPI_RESOURCE_FIXED_MEM32   FixedMemory32;
+    ACPI_RESOURCE_ADDRESS16     Address16;
+    ACPI_RESOURCE_ADDRESS32     Address32;
+    ACPI_RESOURCE_ADDRESS64     Address64;
+    ACPI_RESOURCE_EXT_IRQ       ExtendedIrq;
+
+} ACPI_RESOURCE_DATA;
+
+typedef struct AcpiResource
+{
+    ACPI_RESOURCE_TYPE          Id;
+    UINT32                      Length;
+    ACPI_RESOURCE_DATA          Data;
+
+} ACPI_RESOURCE;
+
+#define ACPI_RESOURCE_LENGTH                12
+#define ACPI_RESOURCE_LENGTH_NO_DATA        8       /* Id + Length fields */
+
+#define ACPI_SIZEOF_RESOURCE(Type)          (ACPI_RESOURCE_LENGTH_NO_DATA + sizeof (Type))
+
+#define ACPI_NEXT_RESOURCE(Res)             (ACPI_RESOURCE *)((UINT8 *) Res + Res->Length)
+
+#ifdef _HW_ALIGNMENT_SUPPORT
+#define ACPI_ALIGN_RESOURCE_SIZE(Length)    (Length)
+#else
+#define ACPI_ALIGN_RESOURCE_SIZE(Length)    ACPI_ROUND_UP_TO_NATIVE_WORD(Length)
+#endif
+
+/*
+ * END: of definitions for Resource Attributes
+ */
+
+
+typedef struct acpi_pci_routing_table
+{
+    UINT32                      Length;
+    UINT32                      Pin;
+    ACPI_INTEGER                Address;        /* here for 64-bit alignment */
+    UINT32                      SourceIndex;
+    NATIVE_CHAR                 Source[4];      /* pad to 64 bits so sizeof() works in all cases */
+
+} ACPI_PCI_ROUTING_TABLE;
+
+/*
+ * END: of definitions for PCI Routing tables
+ */
+
+
+#endif /* __ACTYPES_H__ */
diff --git a/sys/contrib/dev/acpica/acutils.h b/sys/contrib/dev/acpica/acutils.h
new file mode 100644
index 0000000..e20dec6
--- /dev/null
+++ b/sys/contrib/dev/acpica/acutils.h
@@ -0,0 +1,899 @@
+/******************************************************************************
+ *
+ * Name: acutils.h -- prototypes for the common (subsystem-wide) procedures
+ *       $Revision: 148 $
+ *
+ *****************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+#ifndef _ACUTILS_H
+#define _ACUTILS_H
+
+
+typedef
+ACPI_STATUS (*ACPI_PKG_CALLBACK) (
+    UINT8                   ObjectType,
+    ACPI_OPERAND_OBJECT     *SourceObject,
+    ACPI_GENERIC_STATE      *State,
+    void                    *Context);
+
+
+ACPI_STATUS
+AcpiUtWalkPackageTree (
+    ACPI_OPERAND_OBJECT     *SourceObject,
+    void                    *TargetObject,
+    ACPI_PKG_CALLBACK       WalkCallback,
+    void                    *Context);
+
+
+typedef struct acpi_pkg_info
+{
+    UINT8                   *FreeSpace;
+    ACPI_SIZE               Length;
+    UINT32                  ObjectSpace;
+    UINT32                  NumPackages;
+} ACPI_PKG_INFO;
+
+#define REF_INCREMENT       (UINT16) 0
+#define REF_DECREMENT       (UINT16) 1
+#define REF_FORCE_DELETE    (UINT16) 2
+
+/* AcpiUtDumpBuffer */
+
+#define DB_BYTE_DISPLAY     1
+#define DB_WORD_DISPLAY     2
+#define DB_DWORD_DISPLAY    4
+#define DB_QWORD_DISPLAY    8
+
+
+/* Global initialization interfaces */
+
+void
+AcpiUtInitGlobals (
+    void);
+
+void
+AcpiUtTerminate (
+    void);
+
+
+/*
+ * UtInit - miscellaneous initialization and shutdown
+ */
+
+ACPI_STATUS
+AcpiUtHardwareInitialize (
+    void);
+
+void
+AcpiUtSubsystemShutdown (
+    void);
+
+ACPI_STATUS
+AcpiUtValidateFadt (
+    void);
+
+/*
+ * UtGlobal - Global data structures and procedures
+ */
+
+#if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER)
+
+NATIVE_CHAR *
+AcpiUtGetMutexName (
+    UINT32                  MutexId);
+
+#endif
+
+NATIVE_CHAR *
+AcpiUtGetTypeName (
+    ACPI_OBJECT_TYPE        Type);
+
+NATIVE_CHAR *
+AcpiUtGetObjectTypeName (
+    ACPI_OPERAND_OBJECT     *ObjDesc);
+
+NATIVE_CHAR *
+AcpiUtGetRegionName (
+    UINT8                   SpaceId);
+
+NATIVE_CHAR *
+AcpiUtGetEventName (
+    UINT32                  EventId);
+
+char
+AcpiUtHexToAsciiChar (
+    ACPI_INTEGER            Integer,
+    UINT32                  Position);
+
+BOOLEAN
+AcpiUtValidObjectType (
+    ACPI_OBJECT_TYPE        Type);
+
+ACPI_OWNER_ID
+AcpiUtAllocateOwnerId (
+    UINT32                  IdType);
+
+
+/*
+ * UtClib - Local implementations of C library functions
+ */
+
+#ifndef ACPI_USE_SYSTEM_CLIBRARY
+
+ACPI_SIZE
+AcpiUtStrlen (
+    const NATIVE_CHAR       *String);
+
+NATIVE_CHAR *
+AcpiUtStrcpy (
+    NATIVE_CHAR             *DstString,
+    const NATIVE_CHAR       *SrcString);
+
+NATIVE_CHAR *
+AcpiUtStrncpy (
+    NATIVE_CHAR             *DstString,
+    const NATIVE_CHAR       *SrcString,
+    ACPI_SIZE               Count);
+
+int
+AcpiUtStrncmp (
+    const NATIVE_CHAR       *String1,
+    const NATIVE_CHAR       *String2,
+    ACPI_SIZE               Count);
+
+int
+AcpiUtStrcmp (
+    const NATIVE_CHAR       *String1,
+    const NATIVE_CHAR       *String2);
+
+NATIVE_CHAR *
+AcpiUtStrcat (
+    NATIVE_CHAR             *DstString,
+    const NATIVE_CHAR       *SrcString);
+
+NATIVE_CHAR *
+AcpiUtStrncat (
+    NATIVE_CHAR             *DstString,
+    const NATIVE_CHAR       *SrcString,
+    ACPI_SIZE               Count);
+
+UINT32
+AcpiUtStrtoul (
+    const NATIVE_CHAR       *String,
+    NATIVE_CHAR             **Terminator,
+    UINT32                  Base);
+
+NATIVE_CHAR *
+AcpiUtStrstr (
+    NATIVE_CHAR             *String1,
+    NATIVE_CHAR             *String2);
+
+void *
+AcpiUtMemcpy (
+    void                    *Dest,
+    const void              *Src,
+    ACPI_SIZE               Count);
+
+void *
+AcpiUtMemset (
+    void                    *Dest,
+    NATIVE_UINT             Value,
+    ACPI_SIZE               Count);
+
+int
+AcpiUtToUpper (
+    int                     c);
+
+int
+AcpiUtToLower (
+    int                     c);
+
+extern const UINT8 _acpi_ctype[];
+
+#define _ACPI_XA     0x00    /* extra alphabetic - not supported */
+#define _ACPI_XS     0x40    /* extra space */
+#define _ACPI_BB     0x00    /* BEL, BS, etc. - not supported */
+#define _ACPI_CN     0x20    /* CR, FF, HT, NL, VT */
+#define _ACPI_DI     0x04    /* '0'-'9' */
+#define _ACPI_LO     0x02    /* 'a'-'z' */
+#define _ACPI_PU     0x10    /* punctuation */
+#define _ACPI_SP     0x08    /* space */
+#define _ACPI_UP     0x01    /* 'A'-'Z' */
+#define _ACPI_XD     0x80    /* '0'-'9', 'A'-'F', 'a'-'f' */
+
+#define ACPI_IS_DIGIT(c)  (_acpi_ctype[(unsigned char)(c)] & (_ACPI_DI))
+#define ACPI_IS_SPACE(c)  (_acpi_ctype[(unsigned char)(c)] & (_ACPI_SP))
+#define ACPI_IS_XDIGIT(c) (_acpi_ctype[(unsigned char)(c)] & (_ACPI_XD))
+#define ACPI_IS_UPPER(c)  (_acpi_ctype[(unsigned char)(c)] & (_ACPI_UP))
+#define ACPI_IS_LOWER(c)  (_acpi_ctype[(unsigned char)(c)] & (_ACPI_LO))
+#define ACPI_IS_PRINT(c)  (_acpi_ctype[(unsigned char)(c)] & (_ACPI_LO | _ACPI_UP | _ACPI_DI | _ACPI_SP | _ACPI_PU))
+#define ACPI_IS_ALPHA(c)  (_acpi_ctype[(unsigned char)(c)] & (_ACPI_LO | _ACPI_UP))
+#define ACPI_IS_ASCII(c)  ((c) < 0x80)
+
+#endif /* ACPI_USE_SYSTEM_CLIBRARY */
+
+/*
+ * UtCopy - Object construction and conversion interfaces
+ */
+
+ACPI_STATUS
+AcpiUtBuildSimpleObject(
+    ACPI_OPERAND_OBJECT     *Obj,
+    ACPI_OBJECT             *UserObj,
+    UINT8                   *DataSpace,
+    UINT32                  *BufferSpaceUsed);
+
+ACPI_STATUS
+AcpiUtBuildPackageObject (
+    ACPI_OPERAND_OBJECT     *Obj,
+    UINT8                   *Buffer,
+    UINT32                  *SpaceUsed);
+
+ACPI_STATUS
+AcpiUtCopyIelementToEelement (
+    UINT8                   ObjectType,
+    ACPI_OPERAND_OBJECT     *SourceObject,
+    ACPI_GENERIC_STATE      *State,
+    void                    *Context);
+
+ACPI_STATUS
+AcpiUtCopyIelementToIelement (
+    UINT8                   ObjectType,
+    ACPI_OPERAND_OBJECT     *SourceObject,
+    ACPI_GENERIC_STATE      *State,
+    void                    *Context);
+
+ACPI_STATUS
+AcpiUtCopyIobjectToEobject (
+    ACPI_OPERAND_OBJECT     *Obj,
+    ACPI_BUFFER             *RetBuffer);
+
+ACPI_STATUS
+AcpiUtCopyEsimpleToIsimple(
+    ACPI_OBJECT             *UserObj,
+    ACPI_OPERAND_OBJECT     **ReturnObj);
+
+ACPI_STATUS
+AcpiUtCopyEobjectToIobject (
+    ACPI_OBJECT             *Obj,
+    ACPI_OPERAND_OBJECT     **InternalObj);
+
+ACPI_STATUS
+AcpiUtCopyISimpleToIsimple (
+    ACPI_OPERAND_OBJECT     *SourceObj,
+    ACPI_OPERAND_OBJECT     *DestObj);
+
+ACPI_STATUS
+AcpiUtCopyIpackageToIpackage (
+    ACPI_OPERAND_OBJECT     *SourceObj,
+    ACPI_OPERAND_OBJECT     *DestObj,
+    ACPI_WALK_STATE         *WalkState);
+
+ACPI_STATUS
+AcpiUtCopySimpleObject (
+    ACPI_OPERAND_OBJECT     *SourceDesc,
+    ACPI_OPERAND_OBJECT     *DestDesc);
+
+ACPI_STATUS
+AcpiUtCopyIobjectToIobject (
+    ACPI_OPERAND_OBJECT     *SourceDesc,
+    ACPI_OPERAND_OBJECT     **DestDesc,
+    ACPI_WALK_STATE         *WalkState);
+
+
+/*
+ * UtCreate - Object creation
+ */
+
+ACPI_STATUS
+AcpiUtUpdateObjectReference (
+    ACPI_OPERAND_OBJECT     *Object,
+    UINT16                  Action);
+
+
+/*
+ * UtDebug - Debug interfaces
+ */
+
+void
+AcpiUtInitStackPtrTrace (
+    void);
+
+void
+AcpiUtTrackStackPtr (
+    void);
+
+void
+AcpiUtTrace (
+    UINT32                  LineNumber,
+    ACPI_DEBUG_PRINT_INFO   *DbgInfo);
+
+void
+AcpiUtTracePtr (
+    UINT32                  LineNumber,
+    ACPI_DEBUG_PRINT_INFO   *DbgInfo,
+    void                    *Pointer);
+
+void
+AcpiUtTraceU32 (
+    UINT32                  LineNumber,
+    ACPI_DEBUG_PRINT_INFO   *DbgInfo,
+    UINT32                  Integer);
+
+void
+AcpiUtTraceStr (
+    UINT32                  LineNumber,
+    ACPI_DEBUG_PRINT_INFO   *DbgInfo,
+    NATIVE_CHAR             *String);
+
+void
+AcpiUtExit (
+    UINT32                  LineNumber,
+    ACPI_DEBUG_PRINT_INFO   *DbgInfo);
+
+void
+AcpiUtStatusExit (
+    UINT32                  LineNumber,
+    ACPI_DEBUG_PRINT_INFO   *DbgInfo,
+    ACPI_STATUS             Status);
+
+void
+AcpiUtValueExit (
+    UINT32                  LineNumber,
+    ACPI_DEBUG_PRINT_INFO   *DbgInfo,
+    ACPI_INTEGER            Value);
+
+void
+AcpiUtPtrExit (
+    UINT32                  LineNumber,
+    ACPI_DEBUG_PRINT_INFO   *DbgInfo,
+    UINT8                   *Ptr);
+
+void
+AcpiUtReportInfo (
+    NATIVE_CHAR             *ModuleName,
+    UINT32                  LineNumber,
+    UINT32                  ComponentId);
+
+void
+AcpiUtReportError (
+    NATIVE_CHAR             *ModuleName,
+    UINT32                  LineNumber,
+    UINT32                  ComponentId);
+
+void
+AcpiUtReportWarning (
+    NATIVE_CHAR             *ModuleName,
+    UINT32                  LineNumber,
+    UINT32                  ComponentId);
+
+void
+AcpiUtDumpBuffer (
+    UINT8                   *Buffer,
+    UINT32                  Count,
+    UINT32                  Display,
+    UINT32                  componentId);
+
+void ACPI_INTERNAL_VAR_XFACE
+AcpiUtDebugPrint (
+    UINT32                  RequestedDebugLevel,
+    UINT32                  LineNumber,
+    ACPI_DEBUG_PRINT_INFO   *DbgInfo,
+    char                    *Format,
+    ...) ACPI_PRINTF_LIKE_FUNC;
+
+void ACPI_INTERNAL_VAR_XFACE
+AcpiUtDebugPrintRaw (
+    UINT32                  RequestedDebugLevel,
+    UINT32                  LineNumber,
+    ACPI_DEBUG_PRINT_INFO   *DbgInfo,
+    char                    *Format,
+    ...) ACPI_PRINTF_LIKE_FUNC;
+
+
+/*
+ * UtDelete - Object deletion
+ */
+
+void
+AcpiUtDeleteInternalObj (
+    ACPI_OPERAND_OBJECT     *Object);
+
+void
+AcpiUtDeleteInternalPackageObject (
+    ACPI_OPERAND_OBJECT     *Object);
+
+void
+AcpiUtDeleteInternalSimpleObject (
+    ACPI_OPERAND_OBJECT     *Object);
+
+void
+AcpiUtDeleteInternalObjectList (
+    ACPI_OPERAND_OBJECT     **ObjList);
+
+
+/*
+ * UtEval - object evaluation
+ */
+
+/* Method name strings */
+
+#define METHOD_NAME__HID        "_HID"
+#define METHOD_NAME__CID        "_CID"
+#define METHOD_NAME__UID        "_UID"
+#define METHOD_NAME__ADR        "_ADR"
+#define METHOD_NAME__STA        "_STA"
+#define METHOD_NAME__REG        "_REG"
+#define METHOD_NAME__SEG        "_SEG"
+#define METHOD_NAME__BBN        "_BBN"
+#define METHOD_NAME__PRT        "_PRT"
+
+
+ACPI_STATUS
+AcpiUtEvaluateNumericObject (
+    NATIVE_CHAR             *ObjectName,
+    ACPI_NAMESPACE_NODE     *DeviceNode,
+    ACPI_INTEGER            *Address);
+
+ACPI_STATUS
+AcpiUtExecute_HID (
+    ACPI_NAMESPACE_NODE     *DeviceNode,
+    ACPI_DEVICE_ID          *Hid);
+
+ACPI_STATUS
+AcpiUtExecute_CID (
+    ACPI_NAMESPACE_NODE     *DeviceNode,
+    ACPI_DEVICE_ID          *Cid);
+
+ACPI_STATUS
+AcpiUtExecute_STA (
+    ACPI_NAMESPACE_NODE     *DeviceNode,
+    UINT32                  *StatusFlags);
+
+ACPI_STATUS
+AcpiUtExecute_UID (
+    ACPI_NAMESPACE_NODE     *DeviceNode,
+    ACPI_DEVICE_ID          *Uid);
+
+
+/*
+ * UtMutex - mutual exclusion interfaces
+ */
+
+ACPI_STATUS
+AcpiUtMutexInitialize (
+    void);
+
+void
+AcpiUtMutexTerminate (
+    void);
+
+ACPI_STATUS
+AcpiUtCreateMutex (
+    ACPI_MUTEX_HANDLE       MutexId);
+
+ACPI_STATUS
+AcpiUtDeleteMutex (
+    ACPI_MUTEX_HANDLE       MutexId);
+
+ACPI_STATUS
+AcpiUtAcquireMutex (
+    ACPI_MUTEX_HANDLE       MutexId);
+
+ACPI_STATUS
+AcpiUtReleaseMutex (
+    ACPI_MUTEX_HANDLE       MutexId);
+
+
+/*
+ * UtObject - internal object create/delete/cache routines
+ */
+
+ACPI_OPERAND_OBJECT  *
+AcpiUtCreateInternalObjectDbg (
+    NATIVE_CHAR             *ModuleName,
+    UINT32                  LineNumber,
+    UINT32                  ComponentId,
+    ACPI_OBJECT_TYPE        Type);
+
+void *
+AcpiUtAllocateObjectDescDbg (
+    NATIVE_CHAR             *ModuleName,
+    UINT32                  LineNumber,
+    UINT32                  ComponentId);
+
+#define AcpiUtCreateInternalObject(t)   AcpiUtCreateInternalObjectDbg (_THIS_MODULE,__LINE__,_COMPONENT,t)
+#define AcpiUtAllocateObjectDesc()      AcpiUtAllocateObjectDescDbg (_THIS_MODULE,__LINE__,_COMPONENT)
+
+void
+AcpiUtDeleteObjectDesc (
+    ACPI_OPERAND_OBJECT     *Object);
+
+BOOLEAN
+AcpiUtValidInternalObject (
+    void                    *Object);
+
+ACPI_OPERAND_OBJECT *
+AcpiUtCreateBufferObject (
+    ACPI_SIZE               BufferSize);
+
+
+/*
+ * UtRefCnt - Object reference count management
+ */
+
+void
+AcpiUtAddReference (
+    ACPI_OPERAND_OBJECT     *Object);
+
+void
+AcpiUtRemoveReference (
+    ACPI_OPERAND_OBJECT     *Object);
+
+/*
+ * UtSize - Object size routines
+ */
+
+ACPI_STATUS
+AcpiUtGetSimpleObjectSize (
+    ACPI_OPERAND_OBJECT     *Obj,
+    ACPI_SIZE               *ObjLength);
+
+ACPI_STATUS
+AcpiUtGetPackageObjectSize (
+    ACPI_OPERAND_OBJECT     *Obj,
+    ACPI_SIZE               *ObjLength);
+
+ACPI_STATUS
+AcpiUtGetObjectSize(
+    ACPI_OPERAND_OBJECT     *Obj,
+    ACPI_SIZE               *ObjLength);
+
+ACPI_STATUS
+AcpiUtGetElementLength (
+    UINT8                   ObjectType,
+    ACPI_OPERAND_OBJECT     *SourceObject,
+    ACPI_GENERIC_STATE      *State,
+    void                    *Context);
+
+
+/*
+ * UtState - Generic state creation/cache routines
+ */
+
+void
+AcpiUtPushGenericState (
+    ACPI_GENERIC_STATE      **ListHead,
+    ACPI_GENERIC_STATE      *State);
+
+ACPI_GENERIC_STATE *
+AcpiUtPopGenericState (
+    ACPI_GENERIC_STATE      **ListHead);
+
+
+ACPI_GENERIC_STATE *
+AcpiUtCreateGenericState (
+    void);
+
+ACPI_THREAD_STATE *
+AcpiUtCreateThreadState (
+    void);
+
+ACPI_GENERIC_STATE *
+AcpiUtCreateUpdateState (
+    ACPI_OPERAND_OBJECT     *Object,
+    UINT16                  Action);
+
+ACPI_GENERIC_STATE *
+AcpiUtCreatePkgState (
+    void                    *InternalObject,
+    void                    *ExternalObject,
+    UINT16                  Index);
+
+ACPI_STATUS
+AcpiUtCreateUpdateStateAndPush (
+    ACPI_OPERAND_OBJECT     *Object,
+    UINT16                  Action,
+    ACPI_GENERIC_STATE      **StateList);
+
+ACPI_STATUS
+AcpiUtCreatePkgStateAndPush (
+    void                    *InternalObject,
+    void                    *ExternalObject,
+    UINT16                  Index,
+    ACPI_GENERIC_STATE      **StateList);
+
+ACPI_GENERIC_STATE *
+AcpiUtCreateControlState (
+    void);
+
+void
+AcpiUtDeleteGenericState (
+    ACPI_GENERIC_STATE      *State);
+
+void
+AcpiUtDeleteGenericStateCache (
+    void);
+
+void
+AcpiUtDeleteObjectCache (
+    void);
+
+/*
+ * utmisc
+ */
+
+void
+AcpiUtPrintString (
+    char                    *String,
+    UINT8                   MaxLength);
+
+ACPI_STATUS
+AcpiUtDivide (
+    ACPI_INTEGER            *InDividend,
+    ACPI_INTEGER            *InDivisor,
+    ACPI_INTEGER            *OutQuotient,
+    ACPI_INTEGER            *OutRemainder);
+
+ACPI_STATUS
+AcpiUtShortDivide (
+    ACPI_INTEGER            *InDividend,
+    UINT32                  Divisor,
+    ACPI_INTEGER            *OutQuotient,
+    UINT32                  *OutRemainder);
+
+BOOLEAN
+AcpiUtValidAcpiName (
+    UINT32                  Name);
+
+BOOLEAN
+AcpiUtValidAcpiCharacter (
+    NATIVE_CHAR             Character);
+
+ACPI_STATUS
+AcpiUtStrtoul64 (
+    NATIVE_CHAR             *String,
+    UINT32                  Base,
+    ACPI_INTEGER            *RetInteger);
+
+NATIVE_CHAR *
+AcpiUtStrupr (
+    NATIVE_CHAR             *SrcString);
+
+UINT8 *
+AcpiUtGetResourceEndTag (
+    ACPI_OPERAND_OBJECT     *ObjDesc);
+
+UINT8
+AcpiUtGenerateChecksum (
+    UINT8                   *Buffer,
+    UINT32                  Length);
+
+UINT32
+AcpiUtDwordByteSwap (
+    UINT32                  Value);
+
+void
+AcpiUtSetIntegerWidth (
+    UINT8                   Revision);
+
+#ifdef ACPI_DEBUG_OUTPUT
+void
+AcpiUtDisplayInitPathname (
+    ACPI_HANDLE             ObjHandle,
+    char                    *Path);
+
+#endif
+
+
+/*
+ * Utalloc - memory allocation and object caching
+ */
+
+void *
+AcpiUtAcquireFromCache (
+    UINT32                  ListId);
+
+void
+AcpiUtReleaseToCache (
+    UINT32                  ListId,
+    void                    *Object);
+
+void
+AcpiUtDeleteGenericCache (
+    UINT32                  ListId);
+
+ACPI_STATUS
+AcpiUtValidateBuffer (
+    ACPI_BUFFER             *Buffer);
+
+ACPI_STATUS
+AcpiUtInitializeBuffer (
+    ACPI_BUFFER             *Buffer,
+    ACPI_SIZE               RequiredLength);
+
+
+/* Memory allocation functions */
+
+void *
+AcpiUtAllocate (
+    ACPI_SIZE               Size,
+    UINT32                  Component,
+    NATIVE_CHAR             *Module,
+    UINT32                  Line);
+
+void *
+AcpiUtCallocate (
+    ACPI_SIZE               Size,
+    UINT32                  Component,
+    NATIVE_CHAR             *Module,
+    UINT32                  Line);
+
+
+#ifdef ACPI_DBG_TRACK_ALLOCATIONS
+
+void *
+AcpiUtAllocateAndTrack (
+    ACPI_SIZE               Size,
+    UINT32                  Component,
+    NATIVE_CHAR             *Module,
+    UINT32                  Line);
+
+void *
+AcpiUtCallocateAndTrack (
+    ACPI_SIZE               Size,
+    UINT32                  Component,
+    NATIVE_CHAR             *Module,
+    UINT32                  Line);
+
+void
+AcpiUtFreeAndTrack (
+    void                    *Address,
+    UINT32                  Component,
+    NATIVE_CHAR             *Module,
+    UINT32                  Line);
+
+ACPI_DEBUG_MEM_BLOCK *
+AcpiUtFindAllocation (
+    UINT32                  ListId,
+    void                    *Allocation);
+
+ACPI_STATUS
+AcpiUtTrackAllocation (
+    UINT32                  ListId,
+    ACPI_DEBUG_MEM_BLOCK    *Address,
+    ACPI_SIZE               Size,
+    UINT8                   AllocType,
+    UINT32                  Component,
+    NATIVE_CHAR             *Module,
+    UINT32                  Line);
+
+ACPI_STATUS
+AcpiUtRemoveAllocation (
+    UINT32                  ListId,
+    ACPI_DEBUG_MEM_BLOCK    *Address,
+    UINT32                  Component,
+    NATIVE_CHAR             *Module,
+    UINT32                  Line);
+
+void
+AcpiUtDumpAllocationInfo (
+    void);
+
+void
+AcpiUtDumpAllocations (
+    UINT32                  Component,
+    NATIVE_CHAR             *Module);
+#endif
+
+
+#endif /* _ACUTILS_H */
diff --git a/sys/contrib/dev/acpica/amlcode.h b/sys/contrib/dev/acpica/amlcode.h
new file mode 100644
index 0000000..024b914
--- /dev/null
+++ b/sys/contrib/dev/acpica/amlcode.h
@@ -0,0 +1,569 @@
+/******************************************************************************
+ *
+ * Name: amlcode.h - Definitions for AML, as included in "definition blocks"
+ *                   Declarations and definitions contained herein are derived
+ *                   directly from the ACPI specification.
+ *       $Revision: 71 $
+ *
+ *****************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+#ifndef __AMLCODE_H__
+#define __AMLCODE_H__
+
+/* primary opcodes */
+
+#define AML_NULL_CHAR               (UINT16) 0x00
+
+#define AML_ZERO_OP                 (UINT16) 0x00
+#define AML_ONE_OP                  (UINT16) 0x01
+#define AML_UNASSIGNED              (UINT16) 0x02
+#define AML_ALIAS_OP                (UINT16) 0x06
+#define AML_NAME_OP                 (UINT16) 0x08
+#define AML_BYTE_OP                 (UINT16) 0x0a
+#define AML_WORD_OP                 (UINT16) 0x0b
+#define AML_DWORD_OP                (UINT16) 0x0c
+#define AML_STRING_OP               (UINT16) 0x0d
+#define AML_QWORD_OP                (UINT16) 0x0e     /* ACPI 2.0 */
+#define AML_SCOPE_OP                (UINT16) 0x10
+#define AML_BUFFER_OP               (UINT16) 0x11
+#define AML_PACKAGE_OP              (UINT16) 0x12
+#define AML_VAR_PACKAGE_OP          (UINT16) 0x13     /* ACPI 2.0 */
+#define AML_METHOD_OP               (UINT16) 0x14
+#define AML_DUAL_NAME_PREFIX        (UINT16) 0x2e
+#define AML_MULTI_NAME_PREFIX_OP    (UINT16) 0x2f
+#define AML_NAME_CHAR_SUBSEQ        (UINT16) 0x30
+#define AML_NAME_CHAR_FIRST         (UINT16) 0x41
+#define AML_OP_PREFIX               (UINT16) 0x5b
+#define AML_ROOT_PREFIX             (UINT16) 0x5c
+#define AML_PARENT_PREFIX           (UINT16) 0x5e
+#define AML_LOCAL_OP                (UINT16) 0x60
+#define AML_LOCAL0                  (UINT16) 0x60
+#define AML_LOCAL1                  (UINT16) 0x61
+#define AML_LOCAL2                  (UINT16) 0x62
+#define AML_LOCAL3                  (UINT16) 0x63
+#define AML_LOCAL4                  (UINT16) 0x64
+#define AML_LOCAL5                  (UINT16) 0x65
+#define AML_LOCAL6                  (UINT16) 0x66
+#define AML_LOCAL7                  (UINT16) 0x67
+#define AML_ARG_OP                  (UINT16) 0x68
+#define AML_ARG0                    (UINT16) 0x68
+#define AML_ARG1                    (UINT16) 0x69
+#define AML_ARG2                    (UINT16) 0x6a
+#define AML_ARG3                    (UINT16) 0x6b
+#define AML_ARG4                    (UINT16) 0x6c
+#define AML_ARG5                    (UINT16) 0x6d
+#define AML_ARG6                    (UINT16) 0x6e
+#define AML_STORE_OP                (UINT16) 0x70
+#define AML_REF_OF_OP               (UINT16) 0x71
+#define AML_ADD_OP                  (UINT16) 0x72
+#define AML_CONCAT_OP               (UINT16) 0x73
+#define AML_SUBTRACT_OP             (UINT16) 0x74
+#define AML_INCREMENT_OP            (UINT16) 0x75
+#define AML_DECREMENT_OP            (UINT16) 0x76
+#define AML_MULTIPLY_OP             (UINT16) 0x77
+#define AML_DIVIDE_OP               (UINT16) 0x78
+#define AML_SHIFT_LEFT_OP           (UINT16) 0x79
+#define AML_SHIFT_RIGHT_OP          (UINT16) 0x7a
+#define AML_BIT_AND_OP              (UINT16) 0x7b
+#define AML_BIT_NAND_OP             (UINT16) 0x7c
+#define AML_BIT_OR_OP               (UINT16) 0x7d
+#define AML_BIT_NOR_OP              (UINT16) 0x7e
+#define AML_BIT_XOR_OP              (UINT16) 0x7f
+#define AML_BIT_NOT_OP              (UINT16) 0x80
+#define AML_FIND_SET_LEFT_BIT_OP    (UINT16) 0x81
+#define AML_FIND_SET_RIGHT_BIT_OP   (UINT16) 0x82
+#define AML_DEREF_OF_OP             (UINT16) 0x83
+#define AML_CONCAT_RES_OP           (UINT16) 0x84     /* ACPI 2.0 */
+#define AML_MOD_OP                  (UINT16) 0x85     /* ACPI 2.0 */
+#define AML_NOTIFY_OP               (UINT16) 0x86
+#define AML_SIZE_OF_OP              (UINT16) 0x87
+#define AML_INDEX_OP                (UINT16) 0x88
+#define AML_MATCH_OP                (UINT16) 0x89
+#define AML_CREATE_DWORD_FIELD_OP   (UINT16) 0x8a
+#define AML_CREATE_WORD_FIELD_OP    (UINT16) 0x8b
+#define AML_CREATE_BYTE_FIELD_OP    (UINT16) 0x8c
+#define AML_CREATE_BIT_FIELD_OP     (UINT16) 0x8d
+#define AML_TYPE_OP                 (UINT16) 0x8e
+#define AML_CREATE_QWORD_FIELD_OP   (UINT16) 0x8f     /* ACPI 2.0 */
+#define AML_LAND_OP                 (UINT16) 0x90
+#define AML_LOR_OP                  (UINT16) 0x91
+#define AML_LNOT_OP                 (UINT16) 0x92
+#define AML_LEQUAL_OP               (UINT16) 0x93
+#define AML_LGREATER_OP             (UINT16) 0x94
+#define AML_LLESS_OP                (UINT16) 0x95
+#define AML_TO_BUFFER_OP            (UINT16) 0x96     /* ACPI 2.0 */
+#define AML_TO_DECSTRING_OP         (UINT16) 0x97     /* ACPI 2.0 */
+#define AML_TO_HEXSTRING_OP         (UINT16) 0x98     /* ACPI 2.0 */
+#define AML_TO_INTEGER_OP           (UINT16) 0x99     /* ACPI 2.0 */
+#define AML_TO_STRING_OP            (UINT16) 0x9c     /* ACPI 2.0 */
+#define AML_COPY_OP                 (UINT16) 0x9d     /* ACPI 2.0 */
+#define AML_MID_OP                  (UINT16) 0x9e     /* ACPI 2.0 */
+#define AML_CONTINUE_OP             (UINT16) 0x9f     /* ACPI 2.0 */
+#define AML_IF_OP                   (UINT16) 0xa0
+#define AML_ELSE_OP                 (UINT16) 0xa1
+#define AML_WHILE_OP                (UINT16) 0xa2
+#define AML_NOOP_OP                 (UINT16) 0xa3
+#define AML_RETURN_OP               (UINT16) 0xa4
+#define AML_BREAK_OP                (UINT16) 0xa5
+#define AML_BREAK_POINT_OP          (UINT16) 0xcc
+#define AML_ONES_OP                 (UINT16) 0xff
+
+/* prefixed opcodes */
+
+#define AML_EXTOP                   (UINT16) 0x005b
+
+
+#define AML_MUTEX_OP                (UINT16) 0x5b01
+#define AML_EVENT_OP                (UINT16) 0x5b02
+#define AML_SHIFT_RIGHT_BIT_OP      (UINT16) 0x5b10
+#define AML_SHIFT_LEFT_BIT_OP       (UINT16) 0x5b11
+#define AML_COND_REF_OF_OP          (UINT16) 0x5b12
+#define AML_CREATE_FIELD_OP         (UINT16) 0x5b13
+#define AML_LOAD_TABLE_OP           (UINT16) 0x5b1f     /* ACPI 2.0 */
+#define AML_LOAD_OP                 (UINT16) 0x5b20
+#define AML_STALL_OP                (UINT16) 0x5b21
+#define AML_SLEEP_OP                (UINT16) 0x5b22
+#define AML_ACQUIRE_OP              (UINT16) 0x5b23
+#define AML_SIGNAL_OP               (UINT16) 0x5b24
+#define AML_WAIT_OP                 (UINT16) 0x5b25
+#define AML_RESET_OP                (UINT16) 0x5b26
+#define AML_RELEASE_OP              (UINT16) 0x5b27
+#define AML_FROM_BCD_OP             (UINT16) 0x5b28
+#define AML_TO_BCD_OP               (UINT16) 0x5b29
+#define AML_UNLOAD_OP               (UINT16) 0x5b2a
+#define AML_REVISION_OP             (UINT16) 0x5b30
+#define AML_DEBUG_OP                (UINT16) 0x5b31
+#define AML_FATAL_OP                (UINT16) 0x5b32
+#define AML_REGION_OP               (UINT16) 0x5b80
+#define AML_FIELD_OP                (UINT16) 0x5b81
+#define AML_DEVICE_OP               (UINT16) 0x5b82
+#define AML_PROCESSOR_OP            (UINT16) 0x5b83
+#define AML_POWER_RES_OP            (UINT16) 0x5b84
+#define AML_THERMAL_ZONE_OP         (UINT16) 0x5b85
+#define AML_INDEX_FIELD_OP          (UINT16) 0x5b86
+#define AML_BANK_FIELD_OP           (UINT16) 0x5b87
+#define AML_DATA_REGION_OP          (UINT16) 0x5b88     /* ACPI 2.0 */
+
+
+/* Bogus opcodes (they are actually two separate opcodes) */
+
+#define AML_LGREATEREQUAL_OP        (UINT16) 0x9295
+#define AML_LLESSEQUAL_OP           (UINT16) 0x9294
+#define AML_LNOTEQUAL_OP            (UINT16) 0x9293
+
+
+/*
+ * Internal opcodes
+ * Use only "Unknown" AML opcodes, don't attempt to use
+ * any valid ACPI ASCII values (A-Z, 0-9, '-')
+ */
+
+#define AML_INT_NAMEPATH_OP         (UINT16) 0x002d
+#define AML_INT_NAMEDFIELD_OP       (UINT16) 0x0030
+#define AML_INT_RESERVEDFIELD_OP    (UINT16) 0x0031
+#define AML_INT_ACCESSFIELD_OP      (UINT16) 0x0032
+#define AML_INT_BYTELIST_OP         (UINT16) 0x0033
+#define AML_INT_STATICSTRING_OP     (UINT16) 0x0034
+#define AML_INT_METHODCALL_OP       (UINT16) 0x0035
+#define AML_INT_RETURN_VALUE_OP     (UINT16) 0x0036
+#define AML_INT_EVAL_SUBTREE_OP     (UINT16) 0x0037
+
+
+#define ARG_NONE                    0x0
+
+/*
+ * Argument types for the AML Parser
+ * Each field in the ArgTypes UINT32 is 5 bits, allowing for a maximum of 6 arguments.
+ * There can be up to 31 unique argument types
+ */
+
+#define ARGP_BYTEDATA               0x01
+#define ARGP_BYTELIST               0x02
+#define ARGP_CHARLIST               0x03
+#define ARGP_DATAOBJ                0x04
+#define ARGP_DATAOBJLIST            0x05
+#define ARGP_DWORDDATA              0x06
+#define ARGP_FIELDLIST              0x07
+#define ARGP_NAME                   0x08
+#define ARGP_NAMESTRING             0x09
+#define ARGP_OBJLIST                0x0A
+#define ARGP_PKGLENGTH              0x0B
+#define ARGP_SUPERNAME              0x0C
+#define ARGP_TARGET                 0x0D
+#define ARGP_TERMARG                0x0E
+#define ARGP_TERMLIST               0x0F
+#define ARGP_WORDDATA               0x10
+#define ARGP_QWORDDATA              0x11
+#define ARGP_SIMPLENAME             0x12
+
+/*
+ * Resolved argument types for the AML Interpreter
+ * Each field in the ArgTypes UINT32 is 5 bits, allowing for a maximum of 6 arguments.
+ * There can be up to 31 unique argument types (0 is end-of-arg-list indicator)
+ *
+ * Note: If and when 5 bits becomes insufficient, it would probably be best
+ * to convert to a 6-byte array of argument types, allowing 8 bits per argument.
+ */
+
+/* "Standard" ACPI types are 1-15 (0x0F) */
+
+#define ARGI_INTEGER                ACPI_TYPE_INTEGER       /* 1 */
+#define ARGI_STRING                 ACPI_TYPE_STRING        /* 2 */
+#define ARGI_BUFFER                 ACPI_TYPE_BUFFER        /* 3 */
+#define ARGI_PACKAGE                ACPI_TYPE_PACKAGE       /* 4 */
+#define ARGI_EVENT                  ACPI_TYPE_EVENT
+#define ARGI_MUTEX                  ACPI_TYPE_MUTEX
+#define ARGI_REGION                 ACPI_TYPE_REGION
+#define ARGI_DDBHANDLE              ACPI_TYPE_DDB_HANDLE
+
+/* Custom types are 0x10 through 0x1F */
+
+#define ARGI_IF                     0x10
+#define ARGI_ANYOBJECT              0x11
+#define ARGI_ANYTYPE                0x12
+#define ARGI_COMPUTEDATA            0x13     /* Buffer, String, or Integer */
+#define ARGI_DATAOBJECT             0x14     /* Buffer, String, package or reference to a Node - Used only by SizeOf operator*/
+#define ARGI_COMPLEXOBJ             0x15     /* Buffer, String, or package (Used by INDEX op only) */
+#define ARGI_INTEGER_REF            0x16
+#define ARGI_OBJECT_REF             0x17
+#define ARGI_DEVICE_REF             0x18
+#define ARGI_REFERENCE              0x19
+#define ARGI_TARGETREF              0x1A     /* Target, subject to implicit conversion */
+#define ARGI_FIXED_TARGET           0x1B     /* Target, no implicit conversion */
+#define ARGI_SIMPLE_TARGET          0x1C     /* Name, Local, Arg -- no implicit conversion */
+#define ARGI_BUFFERSTRING           0x1D
+#define ARGI_REF_OR_STRING          0x1E     /* Reference or String (Used by DEREFOF op only) */
+
+#define ARGI_INVALID_OPCODE         0xFFFFFFFF
+
+
+/*
+ * hash offsets
+ */
+#define AML_EXTOP_HASH_OFFSET       22
+#define AML_LNOT_HASH_OFFSET        19
+
+
+/*
+ * opcode groups and types
+ */
+
+#define OPGRP_NAMED                 0x01
+#define OPGRP_FIELD                 0x02
+#define OPGRP_BYTELIST              0x04
+
+
+/*
+ * Opcode information
+ */
+
+/* Opcode flags */
+
+#define AML_HAS_ARGS                0x0800
+#define AML_HAS_TARGET              0x0400
+#define AML_HAS_RETVAL              0x0200
+#define AML_NSOBJECT                0x0100
+#define AML_NSOPCODE                0x0080
+#define AML_NSNODE                  0x0040
+#define AML_NAMED                   0x0020
+#define AML_DEFER                   0x0010
+#define AML_FIELD                   0x0008
+#define AML_CREATE                  0x0004
+#define AML_MATH                    0x0002
+#define AML_LOGICAL                 0x0001
+#define AML_CONSTANT                0x1000
+
+/* Convenient flag groupings */
+
+#define AML_FLAGS_EXEC_1A_0T_0R     AML_HAS_ARGS                                   /* Monadic1  */
+#define AML_FLAGS_EXEC_1A_0T_1R     AML_HAS_ARGS |                  AML_HAS_RETVAL /* Monadic2  */
+#define AML_FLAGS_EXEC_1A_1T_0R     AML_HAS_ARGS | AML_HAS_TARGET
+#define AML_FLAGS_EXEC_1A_1T_1R     AML_HAS_ARGS | AML_HAS_TARGET | AML_HAS_RETVAL /* Monadic2R */
+#define AML_FLAGS_EXEC_2A_0T_0R     AML_HAS_ARGS                                   /* Dyadic1   */
+#define AML_FLAGS_EXEC_2A_0T_1R     AML_HAS_ARGS |                  AML_HAS_RETVAL /* Dyadic2   */
+#define AML_FLAGS_EXEC_2A_1T_1R     AML_HAS_ARGS | AML_HAS_TARGET | AML_HAS_RETVAL /* Dyadic2R  */
+#define AML_FLAGS_EXEC_2A_2T_1R     AML_HAS_ARGS | AML_HAS_TARGET | AML_HAS_RETVAL
+#define AML_FLAGS_EXEC_3A_0T_0R     AML_HAS_ARGS
+#define AML_FLAGS_EXEC_3A_1T_1R     AML_HAS_ARGS | AML_HAS_TARGET | AML_HAS_RETVAL
+#define AML_FLAGS_EXEC_6A_0T_1R     AML_HAS_ARGS |                  AML_HAS_RETVAL
+
+
+/*
+ * The opcode Type is used in a dispatch table, do not change
+ * without updating the table.
+ */
+#define AML_TYPE_EXEC_1A_0T_0R      0x00 /* Monadic1  */
+#define AML_TYPE_EXEC_1A_0T_1R      0x01 /* Monadic2  */
+#define AML_TYPE_EXEC_1A_1T_0R      0x02
+#define AML_TYPE_EXEC_1A_1T_1R      0x03 /* Monadic2R */
+#define AML_TYPE_EXEC_2A_0T_0R      0x04 /* Dyadic1   */
+#define AML_TYPE_EXEC_2A_0T_1R      0x05 /* Dyadic2   */
+#define AML_TYPE_EXEC_2A_1T_1R      0x06 /* Dyadic2R  */
+#define AML_TYPE_EXEC_2A_2T_1R      0x07
+#define AML_TYPE_EXEC_3A_0T_0R      0x08
+#define AML_TYPE_EXEC_3A_1T_1R      0x09
+#define AML_TYPE_EXEC_6A_0T_1R      0x0A
+/* End of types used in dispatch table */
+
+#define AML_TYPE_LITERAL            0x0B
+#define AML_TYPE_CONSTANT           0x0C
+#define AML_TYPE_METHOD_ARGUMENT    0x0D
+#define AML_TYPE_LOCAL_VARIABLE     0x0E
+#define AML_TYPE_DATA_TERM          0x0F
+
+/* Generic for an op that returns a value */
+
+#define AML_TYPE_METHOD_CALL        0x10
+
+/* Misc */
+
+#define AML_TYPE_CREATE_FIELD       0x11
+#define AML_TYPE_CREATE_OBJECT      0x12
+#define AML_TYPE_CONTROL            0x13
+#define AML_TYPE_NAMED_NO_OBJ       0x14
+#define AML_TYPE_NAMED_FIELD        0x15
+#define AML_TYPE_NAMED_SIMPLE       0x16
+#define AML_TYPE_NAMED_COMPLEX      0x17
+#define AML_TYPE_RETURN             0x18
+
+#define AML_TYPE_UNDEFINED          0x19
+#define AML_TYPE_BOGUS              0x1A
+
+
+/*
+ * Opcode classes
+ */
+#define AML_CLASS_EXECUTE           0x00
+#define AML_CLASS_CREATE            0x01
+#define AML_CLASS_ARGUMENT          0x02
+#define AML_CLASS_NAMED_OBJECT      0x03
+#define AML_CLASS_CONTROL           0x04
+#define AML_CLASS_ASCII             0x05
+#define AML_CLASS_PREFIX            0x06
+#define AML_CLASS_INTERNAL          0x07
+#define AML_CLASS_RETURN_VALUE      0x08
+#define AML_CLASS_METHOD_CALL       0x09
+#define AML_CLASS_UNKNOWN           0x0A
+
+
+/* Predefined Operation Region SpaceIDs */
+
+typedef enum
+{
+    REGION_MEMORY                   = 0,
+    REGION_IO,
+    REGION_PCI_CONFIG,
+    REGION_EC,
+    REGION_SMBUS,
+    REGION_CMOS,
+    REGION_PCI_BAR,
+    REGION_DATA_TABLE,              /* Internal use only */
+    REGION_FIXED_HW                 = 0x7F
+
+} AML_REGION_TYPES;
+
+
+/* Comparison operation codes for MatchOp operator */
+
+typedef enum
+{
+    MATCH_MTR                       = 0,
+    MATCH_MEQ                       = 1,
+    MATCH_MLE                       = 2,
+    MATCH_MLT                       = 3,
+    MATCH_MGE                       = 4,
+    MATCH_MGT                       = 5
+
+} AML_MATCH_OPERATOR;
+
+#define MAX_MATCH_OPERATOR          5
+
+
+/*
+ * FieldFlags
+ *
+ * This byte is extracted from the AML and includes three separate
+ * pieces of information about the field:
+ * 1) The field access type
+ * 2) The field update rule
+ * 3) The lock rule for the field
+ *
+ * Bits 00 - 03 : AccessType (AnyAcc, ByteAcc, etc.)
+ *      04      : LockRule (1 == Lock)
+ *      05 - 06 : UpdateRule
+ */
+#define AML_FIELD_ACCESS_TYPE_MASK  0x0F
+#define AML_FIELD_LOCK_RULE_MASK    0x10
+#define AML_FIELD_UPDATE_RULE_MASK  0x60
+
+
+/* 1) Field Access Types */
+
+typedef enum
+{
+    AML_FIELD_ACCESS_ANY            = 0x00,
+    AML_FIELD_ACCESS_BYTE           = 0x01,
+    AML_FIELD_ACCESS_WORD           = 0x02,
+    AML_FIELD_ACCESS_DWORD          = 0x03,
+    AML_FIELD_ACCESS_QWORD          = 0x04,    /* ACPI 2.0 */
+    AML_FIELD_ACCESS_BUFFER         = 0x05     /* ACPI 2.0 */
+
+} AML_ACCESS_TYPE;
+
+
+/* 2) Field Lock Rules */
+
+typedef enum
+{
+    AML_FIELD_LOCK_NEVER            = 0x00,
+    AML_FIELD_LOCK_ALWAYS           = 0x10
+
+} AML_LOCK_RULE;
+
+
+/* 3) Field Update Rules */
+
+typedef enum
+{
+    AML_FIELD_UPDATE_PRESERVE       = 0x00,
+    AML_FIELD_UPDATE_WRITE_AS_ONES  = 0x20,
+    AML_FIELD_UPDATE_WRITE_AS_ZEROS = 0x40
+
+} AML_UPDATE_RULE;
+
+
+/*
+ * Field Access Attributes.
+ * This byte is extracted from the AML via the
+ * AccessAs keyword
+ */
+typedef enum
+{
+    AML_FIELD_ATTRIB_SMB_QUICK      = 0x02,
+    AML_FIELD_ATTRIB_SMB_SEND_RCV   = 0x04,
+    AML_FIELD_ATTRIB_SMB_BYTE       = 0x06,
+    AML_FIELD_ATTRIB_SMB_WORD       = 0x08,
+    AML_FIELD_ATTRIB_SMB_BLOCK      = 0x0A,
+    AML_FIELD_ATTRIB_SMB_WORD_CALL  = 0x0C,
+    AML_FIELD_ATTRIB_SMB_BLOCK_CALL = 0x0D
+
+} AML_ACCESS_ATTRIBUTE;
+
+
+/* bit fields in MethodFlags byte */
+
+#define METHOD_FLAGS_ARG_COUNT      0x07
+#define METHOD_FLAGS_SERIALIZED     0x08
+#define METHOD_FLAGS_SYNCH_LEVEL    0xF0
+
+
+#endif /* __AMLCODE_H__ */
diff --git a/sys/contrib/dev/acpica/amlresrc.h b/sys/contrib/dev/acpica/amlresrc.h
new file mode 100644
index 0000000..815fafb
--- /dev/null
+++ b/sys/contrib/dev/acpica/amlresrc.h
@@ -0,0 +1,423 @@
+
+/******************************************************************************
+ *
+ * Module Name: amlresrc.h - AML resource descriptors
+ *              $Revision: 22 $
+ *
+ *****************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+
+#ifndef __AMLRESRC_H
+#define __AMLRESRC_H
+
+
+#define ASL_RESNAME_ADDRESS                     "_ADR"
+#define ASL_RESNAME_ALIGNMENT                   "_ALN"
+#define ASL_RESNAME_ADDRESSSPACE                "_ASI"
+#define ASL_RESNAME_BASEADDRESS                 "_BAS"
+#define ASL_RESNAME_BUSMASTER                   "_BM_"  /* Master(1), Slave(0) */
+#define ASL_RESNAME_DECODE                      "_DEC"
+#define ASL_RESNAME_DMA                         "_DMA"
+#define ASL_RESNAME_DMATYPE                     "_TYP"  /* Compatible(0), A(1), B(2), F(3) */
+#define ASL_RESNAME_GRANULARITY                 "_GRA"
+#define ASL_RESNAME_INTERRUPT                   "_INT"
+#define ASL_RESNAME_INTERRUPTLEVEL              "_LL_"  /* ActiveLo(1), ActiveHi(0) */
+#define ASL_RESNAME_INTERRUPTSHARE              "_SHR"  /* Shareable(1), NoShare(0) */
+#define ASL_RESNAME_INTERRUPTTYPE               "_HE_"  /* Edge(1), Level(0) */
+#define ASL_RESNAME_LENGTH                      "_LEN"
+#define ASL_RESNAME_MEMATTRIBUTES               "_MTP"  /* Memory(0), Reserved(1), ACPI(2), NVS(3) */
+#define ASL_RESNAME_MEMTYPE                     "_MEM"  /* NonCache(0), Cacheable(1) Cache+combine(2), Cache+prefetch(3) */
+#define ASL_RESNAME_MAXADDR                     "_MAX"
+#define ASL_RESNAME_MINADDR                     "_MIN"
+#define ASL_RESNAME_MAXTYPE                     "_MAF"
+#define ASL_RESNAME_MINTYPE                     "_MIF"
+#define ASL_RESNAME_REGISTERBITOFFSET           "_RBO"
+#define ASL_RESNAME_REGISTERBITWIDTH            "_RBW"
+#define ASL_RESNAME_RANGETYPE                   "_RNG"
+#define ASL_RESNAME_READWRITETYPE               "_RW_"  /* ReadOnly(0), Writeable (1) */
+#define ASL_RESNAME_TRANSLATION                 "_TRA"
+#define ASL_RESNAME_TRANSTYPE                   "_TRS"  /* Sparse(1), Dense(0) */
+#define ASL_RESNAME_TYPE                        "_TTP"  /* Translation(1), Static (0) */
+#define ASL_RESNAME_XFERTYPE                    "_SIZ"  /* 8(0), 8And16(1), 16(2) */
+
+
+/* Default sizes for "small" resource descriptors */
+
+#define ASL_RDESC_IRQ_SIZE                      0x02
+#define ASL_RDESC_DMA_SIZE                      0x02
+#define ASL_RDESC_ST_DEPEND_SIZE                0x00
+#define ASL_RDESC_END_DEPEND_SIZE               0x00
+#define ASL_RDESC_IO_SIZE                       0x07
+#define ASL_RDESC_FIXED_IO_SIZE                 0x03
+#define ASL_RDESC_END_TAG_SIZE                  0x01
+
+
+typedef struct asl_resource_node
+{
+    UINT32                      BufferLength;
+    void                        *Buffer;
+    struct asl_resource_node    *Next;
+
+} ASL_RESOURCE_NODE;
+
+
+/*
+ * Resource descriptors defined in the ACPI specification.
+ *
+ * Alignment must be BYTE because these descriptors
+ * are used to overlay the AML byte stream.
+ */
+#pragma pack(1)
+
+typedef struct asl_irq_format_desc
+{
+    UINT8                       DescriptorType;
+    UINT16                      IrqMask;
+    UINT8                       Flags;
+
+} ASL_IRQ_FORMAT_DESC;
+
+
+typedef struct asl_irq_noflags_desc
+{
+    UINT8                       DescriptorType;
+    UINT16                      IrqMask;
+
+} ASL_IRQ_NOFLAGS_DESC;
+
+
+typedef struct asl_dma_format_desc
+{
+    UINT8                       DescriptorType;
+    UINT8                       DmaChannelMask;
+    UINT8                       Flags;
+
+} ASL_DMA_FORMAT_DESC;
+
+
+typedef struct asl_start_dependent_desc
+{
+    UINT8                       DescriptorType;
+    UINT8                       Flags;
+
+} ASL_START_DEPENDENT_DESC;
+
+
+typedef struct asl_start_dependent_noprio_desc
+{
+    UINT8                       DescriptorType;
+
+} ASL_START_DEPENDENT_NOPRIO_DESC;
+
+
+typedef struct asl_end_dependent_desc
+{
+    UINT8                       DescriptorType;
+
+} ASL_END_DEPENDENT_DESC;
+
+
+typedef struct asl_io_port_desc
+{
+    UINT8                       DescriptorType;
+    UINT8                       Information;
+    UINT16                      AddressMin;
+    UINT16                      AddressMax;
+    UINT8                       Alignment;
+    UINT8                       Length;
+
+} ASL_IO_PORT_DESC;
+
+
+typedef struct asl_fixed_io_port_desc
+{
+    UINT8                       DescriptorType;
+    UINT16                      BaseAddress;
+    UINT8                       Length;
+
+} ASL_FIXED_IO_PORT_DESC;
+
+
+typedef struct asl_small_vendor_desc
+{
+    UINT8                       DescriptorType;
+    UINT8                       VendorDefined[7];
+
+} ASL_SMALL_VENDOR_DESC;
+
+
+typedef struct asl_end_tag_desc
+{
+    UINT8                       DescriptorType;
+    UINT8                       Checksum;
+
+} ASL_END_TAG_DESC;
+
+
+/* LARGE descriptors */
+
+typedef struct asl_memory_24_desc
+{
+    UINT8                       DescriptorType;
+    UINT16                      Length;
+    UINT8                       Information;
+    UINT16                      AddressMin;
+    UINT16                      AddressMax;
+    UINT16                      Alignment;
+    UINT16                      RangeLength;
+
+} ASL_MEMORY_24_DESC;
+
+
+typedef struct asl_large_vendor_desc
+{
+    UINT8                       DescriptorType;
+    UINT16                      Length;
+    UINT8                       VendorDefined[1];
+
+} ASL_LARGE_VENDOR_DESC;
+
+
+typedef struct asl_memory_32_desc
+{
+    UINT8                       DescriptorType;
+    UINT16                      Length;
+    UINT8                       Information;
+    UINT32                      AddressMin;
+    UINT32                      AddressMax;
+    UINT32                      Alignment;
+    UINT32                      RangeLength;
+
+} ASL_MEMORY_32_DESC;
+
+
+typedef struct asl_fixed_memory_32_desc
+{
+    UINT8                       DescriptorType;
+    UINT16                      Length;
+    UINT8                       Information;
+    UINT32                      BaseAddress;
+    UINT32                      RangeLength;
+
+} ASL_FIXED_MEMORY_32_DESC;
+
+
+typedef struct asl_qword_address_desc
+{
+    UINT8                       DescriptorType;
+    UINT16                      Length;
+    UINT8                       ResourceType;
+    UINT8                       Flags;
+    UINT8                       SpecificFlags;
+    UINT64                      Granularity;
+    UINT64                      AddressMin;
+    UINT64                      AddressMax;
+    UINT64                      TranslationOffset;
+    UINT64                      AddressLength;
+    UINT8                       OptionalFields[2];
+
+} ASL_QWORD_ADDRESS_DESC;
+
+
+typedef struct asl_dword_address_desc
+{
+    UINT8                       DescriptorType;
+    UINT16                      Length;
+    UINT8                       ResourceType;
+    UINT8                       Flags;
+    UINT8                       SpecificFlags;
+    UINT32                      Granularity;
+    UINT32                      AddressMin;
+    UINT32                      AddressMax;
+    UINT32                      TranslationOffset;
+    UINT32                      AddressLength;
+    UINT8                       OptionalFields[2];
+
+} ASL_DWORD_ADDRESS_DESC;
+
+
+typedef struct asl_word_address_desc
+{
+    UINT8                       DescriptorType;
+    UINT16                      Length;
+    UINT8                       ResourceType;
+    UINT8                       Flags;
+    UINT8                       SpecificFlags;
+    UINT16                      Granularity;
+    UINT16                      AddressMin;
+    UINT16                      AddressMax;
+    UINT16                      TranslationOffset;
+    UINT16                      AddressLength;
+    UINT8                       OptionalFields[2];
+
+} ASL_WORD_ADDRESS_DESC;
+
+
+typedef struct asl_extended_xrupt_desc
+{
+    UINT8                       DescriptorType;
+    UINT16                      Length;
+    UINT8                       Flags;
+    UINT8                       TableLength;
+    UINT32                      InterruptNumber[1];
+    /* ResSourceIndex, ResSource optional fields follow */
+
+} ASL_EXTENDED_XRUPT_DESC;
+
+
+typedef struct asl_general_register_desc
+{
+    UINT8                       DescriptorType;
+    UINT16                      Length;
+    UINT8                       AddressSpaceId;
+    UINT8                       BitWidth;
+    UINT8                       BitOffset;
+    UINT8                       Reserved;
+    UINT64                      Address;
+
+} ASL_GENERAL_REGISTER_DESC;
+
+/* restore default alignment */
+
+#pragma pack()
+
+/* Union of all resource descriptors, sow we can allocate the worst case */
+
+typedef union asl_resource_desc
+{
+    ASL_IRQ_FORMAT_DESC         Irq;
+    ASL_DMA_FORMAT_DESC         Dma;
+    ASL_START_DEPENDENT_DESC    Std;
+    ASL_END_DEPENDENT_DESC      End;
+    ASL_IO_PORT_DESC            Iop;
+    ASL_FIXED_IO_PORT_DESC      Fio;
+    ASL_SMALL_VENDOR_DESC       Smv;
+    ASL_END_TAG_DESC            Et;
+
+    ASL_MEMORY_24_DESC          M24;
+    ASL_LARGE_VENDOR_DESC       Lgv;
+    ASL_MEMORY_32_DESC          M32;
+    ASL_FIXED_MEMORY_32_DESC    F32;
+    ASL_QWORD_ADDRESS_DESC      Qas;
+    ASL_DWORD_ADDRESS_DESC      Das;
+    ASL_WORD_ADDRESS_DESC       Was;
+    ASL_EXTENDED_XRUPT_DESC     Exx;
+    ASL_GENERAL_REGISTER_DESC   Grg;
+    UINT32                      U32Item;
+    UINT16                      U16Item;
+    UINT8                       U8Item;
+
+} ASL_RESOURCE_DESC;
+
+
+#endif
+
diff --git a/sys/contrib/dev/acpica/dbcmds.c b/sys/contrib/dev/acpica/dbcmds.c
new file mode 100644
index 0000000..fb17c9c
--- /dev/null
+++ b/sys/contrib/dev/acpica/dbcmds.c
@@ -0,0 +1,1277 @@
+/*******************************************************************************
+ *
+ * Module Name: dbcmds - debug commands and output routines
+ *              $Revision: 90 $
+ *
+ ******************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+
+#include "acpi.h"
+#include "acdispat.h"
+#include "amlcode.h"
+#include "acnamesp.h"
+#include "acevents.h"
+#include "acdebug.h"
+#include "acresrc.h"
+#include "acdisasm.h"
+
+#ifdef ACPI_DEBUGGER
+
+#define _COMPONENT          ACPI_CA_DEBUGGER
+        ACPI_MODULE_NAME    ("dbcmds")
+
+
+/*
+ * Arguments for the Objects command
+ * These object types map directly to the ACPI_TYPES
+ */
+
+static ARGUMENT_INFO        AcpiDbObjectTypes [] =
+{
+    {"ANY"},
+    {"NUMBERS"},
+    {"STRINGS"},
+    {"BUFFERS"},
+    {"PACKAGES"},
+    {"FIELDS"},
+    {"DEVICES"},
+    {"EVENTS"},
+    {"METHODS"},
+    {"MUTEXES"},
+    {"REGIONS"},
+    {"POWERRESOURCES"},
+    {"PROCESSORS"},
+    {"THERMALZONES"},
+    {"BUFFERFIELDS"},
+    {"DDBHANDLES"},
+    {NULL}           /* Must be null terminated */
+};
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDbWalkForReferences
+ *
+ * PARAMETERS:  Callback from WalkNamespace
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Check if this namespace object refers to the target object
+ *              that is passed in as the context value.
+ *
+ * Note: Currently doesn't check subobjects within the Node's object
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiDbWalkForReferences (
+    ACPI_HANDLE             ObjHandle,
+    UINT32                  NestingLevel,
+    void                    *Context,
+    void                    **ReturnValue)
+{
+    ACPI_OPERAND_OBJECT     *ObjDesc = (ACPI_OPERAND_OBJECT  *) Context;
+    ACPI_NAMESPACE_NODE     *Node = (ACPI_NAMESPACE_NODE *) ObjHandle;
+
+
+    /* Check for match against the namespace node itself */
+
+    if (Node == (void *) ObjDesc)
+    {
+        AcpiOsPrintf ("Object is a Node [%4.4s]\n", Node->Name.Ascii);
+    }
+
+    /* Check for match against the object attached to the node */
+
+    if (AcpiNsGetAttachedObject (Node) == ObjDesc)
+    {
+        AcpiOsPrintf ("Reference at Node->Object %p [%4.4s]\n", Node, Node->Name.Ascii);
+    }
+
+    return (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDbFindReferences
+ *
+ * PARAMETERS:  ObjectArg       - String with hex value of the object
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Search namespace for all references to the input object
+ *
+ ******************************************************************************/
+
+void
+AcpiDbFindReferences (
+    NATIVE_CHAR             *ObjectArg)
+{
+    ACPI_OPERAND_OBJECT     *ObjDesc;
+
+
+    /* Convert string to object pointer */
+
+    ObjDesc = ACPI_TO_POINTER (ACPI_STRTOUL (ObjectArg, NULL, 16));
+
+    /* Search all nodes in namespace */
+
+    (void) AcpiWalkNamespace (ACPI_TYPE_ANY, ACPI_ROOT_OBJECT, ACPI_UINT32_MAX,
+                    AcpiDbWalkForReferences, (void *) ObjDesc, NULL);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDbDisplayLocks
+ *
+ * PARAMETERS:  None
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Display information about internal mutexes.
+ *
+ ******************************************************************************/
+
+void
+AcpiDbDisplayLocks (void)
+{
+    UINT32                  i;
+
+
+    for (i = 0; i < MAX_MTX; i++)
+    {
+        AcpiOsPrintf ("%26s : %s\n", AcpiUtGetMutexName (i),
+                    AcpiGbl_AcpiMutexInfo[i].OwnerId == ACPI_MUTEX_NOT_ACQUIRED
+                        ? "Locked" : "Unlocked");
+    }
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDbDisplayTableInfo
+ *
+ * PARAMETERS:  TableArg        - String with name of table to be displayed
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Display information about loaded tables.  Current
+ *              implementation displays all loaded tables.
+ *
+ ******************************************************************************/
+
+void
+AcpiDbDisplayTableInfo (
+    NATIVE_CHAR             *TableArg)
+{
+    UINT32                  i;
+
+
+    for (i = 0; i < NUM_ACPI_TABLES; i++)
+    {
+        if (AcpiGbl_AcpiTables[i].Pointer)
+        {
+            AcpiOsPrintf ("%s at %p length %X\n", AcpiGbl_AcpiTableData[i].Name,
+                        AcpiGbl_AcpiTables[i].Pointer, 
+                        (UINT32) AcpiGbl_AcpiTables[i].Length);
+        }
+    }
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDbUnloadAcpiTable
+ *
+ * PARAMETERS:  TableArg        - Name of the table to be unloaded
+ *              InstanceArg     - Which instance of the table to unload (if
+ *                                there are multiple tables of the same type)
+ *
+ * RETURN:      Nonde
+ *
+ * DESCRIPTION: Unload an ACPI table.
+ *              Instance is not implemented
+ *
+ ******************************************************************************/
+
+void
+AcpiDbUnloadAcpiTable (
+    NATIVE_CHAR             *TableArg,
+    NATIVE_CHAR             *InstanceArg)
+{
+    UINT32                  i;
+    ACPI_STATUS             Status;
+
+
+    /* Search all tables for the target type */
+
+    for (i = 0; i < NUM_ACPI_TABLES; i++)
+    {
+        if (!ACPI_STRNCMP (TableArg, AcpiGbl_AcpiTableData[i].Signature,
+                AcpiGbl_AcpiTableData[i].SigLength))
+        {
+            /* Found the table, unload it */
+
+            Status = AcpiUnloadTable (i);
+            if (ACPI_SUCCESS (Status))
+            {
+                AcpiOsPrintf ("[%s] unloaded and uninstalled\n", TableArg);
+            }
+            else
+            {
+                AcpiOsPrintf ("%s, while unloading [%s]\n",
+                    AcpiFormatException (Status), TableArg);
+            }
+
+            return;
+        }
+    }
+
+    AcpiOsPrintf ("Unknown table type [%s]\n", TableArg);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDbSetMethodBreakpoint
+ *
+ * PARAMETERS:  Location            - AML offset of breakpoint
+ *              WalkState           - Current walk info
+ *              Op                  - Current Op (from parse walk)
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Set a breakpoint in a control method at the specified
+ *              AML offset
+ *
+ ******************************************************************************/
+
+void
+AcpiDbSetMethodBreakpoint (
+    NATIVE_CHAR             *Location,
+    ACPI_WALK_STATE         *WalkState,
+    ACPI_PARSE_OBJECT       *Op)
+{
+    UINT32                  Address;
+
+
+    if (!Op)
+    {
+        AcpiOsPrintf ("There is no method currently executing\n");
+        return;
+    }
+
+    /* Get and verify the breakpoint address */
+
+    Address = ACPI_STRTOUL (Location, NULL, 16);
+    if (Address <= Op->Common.AmlOffset)
+    {
+        AcpiOsPrintf ("Breakpoint %X is beyond current address %X\n", Address, Op->Common.AmlOffset);
+    }
+
+    /* Save breakpoint in current walk */
+
+    WalkState->UserBreakpoint = Address;
+    AcpiOsPrintf ("Breakpoint set at AML offset %X\n", Address);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDbSetMethodCallBreakpoint
+ *
+ * PARAMETERS:  Op                  - Current Op (from parse walk)
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Set a breakpoint in a control method at the specified
+ *              AML offset
+ *
+ ******************************************************************************/
+
+void
+AcpiDbSetMethodCallBreakpoint (
+    ACPI_PARSE_OBJECT       *Op)
+{
+
+
+    if (!Op)
+    {
+        AcpiOsPrintf ("There is no method currently executing\n");
+        return;
+    }
+
+    AcpiGbl_StepToNextCall = TRUE;
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDbDisassembleAml
+ *
+ * PARAMETERS:  Statements          - Number of statements to disassemble
+ *              Op                  - Current Op (from parse walk)
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Display disassembled AML (ASL) starting from Op for the number
+ *              of statements specified.
+ *
+ ******************************************************************************/
+
+void
+AcpiDbDisassembleAml (
+    NATIVE_CHAR             *Statements,
+    ACPI_PARSE_OBJECT       *Op)
+{
+    UINT32                  NumStatements = 8;
+
+
+    if (!Op)
+    {
+        AcpiOsPrintf ("There is no method currently executing\n");
+        return;
+    }
+
+    if (Statements)
+    {
+        NumStatements = ACPI_STRTOUL (Statements, NULL, 0);
+    }
+
+#ifdef ACPI_DISASSEMBLER
+    AcpiDmDisassemble (NULL, Op, NumStatements);
+#endif
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDbDumpNamespace
+ *
+ * PARAMETERS:  StartArg        - Node to begin namespace dump
+ *              DepthArg        - Maximum tree depth to be dumped
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Dump entire namespace or a subtree.  Each node is displayed
+ *              with type and other information.
+ *
+ ******************************************************************************/
+
+void
+AcpiDbDumpNamespace (
+    NATIVE_CHAR             *StartArg,
+    NATIVE_CHAR             *DepthArg)
+{
+    ACPI_HANDLE             SubtreeEntry = AcpiGbl_RootNode;
+    UINT32                  MaxDepth = ACPI_UINT32_MAX;
+
+
+    /* No argument given, just start at the root and dump entire namespace */
+
+    if (StartArg)
+    {
+        /* Check if numeric argument, must be a Node */
+
+        if ((StartArg[0] >= 0x30) && (StartArg[0] <= 0x39))
+        {
+            SubtreeEntry = ACPI_TO_POINTER (ACPI_STRTOUL (StartArg, NULL, 16));
+            if (!AcpiOsReadable (SubtreeEntry, sizeof (ACPI_NAMESPACE_NODE)))
+            {
+                AcpiOsPrintf ("Address %p is invalid in this address space\n", SubtreeEntry);
+                return;
+            }
+
+            if (ACPI_GET_DESCRIPTOR_TYPE (SubtreeEntry) != ACPI_DESC_TYPE_NAMED)
+            {
+                AcpiOsPrintf ("Address %p is not a valid Named object\n", SubtreeEntry);
+                return;
+            }
+        }
+
+        /* Alpha argument */
+
+        else
+        {
+            /* The parameter is a name string that must be resolved to a Named obj*/
+
+            SubtreeEntry = AcpiDbLocalNsLookup (StartArg);
+            if (!SubtreeEntry)
+            {
+                SubtreeEntry = AcpiGbl_RootNode;
+            }
+        }
+
+        /* Now we can check for the depth argument */
+
+        if (DepthArg)
+        {
+            MaxDepth = ACPI_STRTOUL (DepthArg, NULL, 0);
+        }
+    }
+
+    AcpiDbSetOutputDestination (ACPI_DB_DUPLICATE_OUTPUT);
+    AcpiOsPrintf ("ACPI Namespace (from %p subtree):\n", SubtreeEntry);
+
+    /* Display the subtree */
+
+    AcpiDbSetOutputDestination (ACPI_DB_REDIRECTABLE_OUTPUT);
+    AcpiNsDumpObjects (ACPI_TYPE_ANY, ACPI_DISPLAY_SUMMARY, MaxDepth, ACPI_UINT32_MAX, SubtreeEntry);
+    AcpiDbSetOutputDestination (ACPI_DB_CONSOLE_OUTPUT);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDbDumpNamespaceByOwner
+ *
+ * PARAMETERS:  OwnerArg        - Owner ID whose nodes will be displayed
+ *              DepthArg        - Maximum tree depth to be dumped
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Dump elements of the namespace that are owned by the OwnerId.
+ *
+ ******************************************************************************/
+
+void
+AcpiDbDumpNamespaceByOwner (
+    NATIVE_CHAR             *OwnerArg,
+    NATIVE_CHAR             *DepthArg)
+{
+    ACPI_HANDLE             SubtreeEntry = AcpiGbl_RootNode;
+    UINT32                  MaxDepth = ACPI_UINT32_MAX;
+    UINT16                  OwnerId;
+
+
+    OwnerId = (UINT16) ACPI_STRTOUL (OwnerArg, NULL, 0);
+
+    /* Now we can check for the depth argument */
+
+    if (DepthArg)
+    {
+        MaxDepth = ACPI_STRTOUL (DepthArg, NULL, 0);
+    }
+
+    AcpiDbSetOutputDestination (ACPI_DB_DUPLICATE_OUTPUT);
+    AcpiOsPrintf ("ACPI Namespace by owner %X:\n", OwnerId);
+
+    /* Display the subtree */
+
+    AcpiDbSetOutputDestination (ACPI_DB_REDIRECTABLE_OUTPUT);
+    AcpiNsDumpObjects (ACPI_TYPE_ANY, ACPI_DISPLAY_SUMMARY, MaxDepth, OwnerId, SubtreeEntry);
+    AcpiDbSetOutputDestination (ACPI_DB_CONSOLE_OUTPUT);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDbSendNotify
+ *
+ * PARAMETERS:  Name            - Name of ACPI object to send the notify to
+ *              Value           - Value of the notify to send.
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Send an ACPI notification.  The value specified is sent to the
+ *              named object as an ACPI notify.
+ *
+ ******************************************************************************/
+
+void
+AcpiDbSendNotify (
+    NATIVE_CHAR             *Name,
+    UINT32                  Value)
+{
+    ACPI_NAMESPACE_NODE     *Node;
+    ACPI_STATUS             Status;
+
+
+    /* Translate name to an Named object */
+
+    Node = AcpiDbLocalNsLookup (Name);
+    if (!Node)
+    {
+        return;
+    }
+
+    /* Decode Named object type */
+
+    switch (Node->Type)
+    {
+    case ACPI_TYPE_DEVICE:
+    case ACPI_TYPE_THERMAL:
+
+         /* Send the notify */
+
+        Status = AcpiEvQueueNotifyRequest (Node, Value);
+        if (ACPI_FAILURE (Status))
+        {
+            AcpiOsPrintf ("Could not queue notify\n");
+        }
+        break;
+
+    default:
+        AcpiOsPrintf ("Named object is not a device or a thermal object\n");
+        break;
+    }
+
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDbSetMethodData
+ *
+ * PARAMETERS:  TypeArg         - L for local, A for argument
+ *              IndexArg        - which one
+ *              ValueArg        - Value to set.
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Set a local or argument for the running control method.
+ *              NOTE: only object supported is Number.
+ *
+ ******************************************************************************/
+
+void
+AcpiDbSetMethodData (
+    NATIVE_CHAR             *TypeArg,
+    NATIVE_CHAR             *IndexArg,
+    NATIVE_CHAR             *ValueArg)
+{
+    NATIVE_CHAR             Type;
+    UINT32                  Index;
+    UINT32                  Value;
+    ACPI_WALK_STATE         *WalkState;
+    ACPI_OPERAND_OBJECT     *ObjDesc;
+    ACPI_STATUS             Status;
+
+
+    /* Validate TypeArg */
+
+    ACPI_STRUPR (TypeArg);
+    Type = TypeArg[0];
+    if ((Type != 'L') &&
+        (Type != 'A'))
+    {
+        AcpiOsPrintf ("Invalid SET operand: %s\n", TypeArg);
+        return;
+    }
+
+    /* Get the index and value */
+
+    Index = ACPI_STRTOUL (IndexArg, NULL, 16);
+    Value = ACPI_STRTOUL (ValueArg, NULL, 16);
+
+    WalkState = AcpiDsGetCurrentWalkState (AcpiGbl_CurrentWalkList);
+    if (!WalkState)
+    {
+        AcpiOsPrintf ("There is no method currently executing\n");
+        return;
+    }
+
+
+    /* Create and initialize the new object */
+
+    ObjDesc = AcpiUtCreateInternalObject (ACPI_TYPE_INTEGER);
+    if (!ObjDesc)
+    {
+        AcpiOsPrintf ("Could not create an internal object\n");
+        return;
+    }
+
+    ObjDesc->Integer.Value = Value;
+
+
+    /* Store the new object into the target */
+
+    switch (Type)
+    {
+    case 'A':
+
+        /* Set a method argument */
+
+        if (Index > MTH_MAX_ARG)
+        {
+            AcpiOsPrintf ("Arg%d - Invalid argument name\n", Index);
+            return;
+        }
+
+        Status = AcpiDsStoreObjectToLocal (AML_ARG_OP, Index, ObjDesc, WalkState);
+        if (ACPI_FAILURE (Status))
+        {
+            return;
+        }
+
+        ObjDesc = WalkState->Arguments[Index].Object;
+
+        AcpiOsPrintf ("Arg%d: ", Index);
+        AcpiDbDisplayInternalObject (ObjDesc, WalkState);
+        break;
+
+    case 'L':
+
+        /* Set a method local */
+
+        if (Index > MTH_MAX_LOCAL)
+        {
+            AcpiOsPrintf ("Local%d - Invalid local variable name\n", Index);
+            return;
+        }
+
+        Status = AcpiDsStoreObjectToLocal (AML_LOCAL_OP, Index, ObjDesc, WalkState);
+        if (ACPI_FAILURE (Status))
+        {
+            return;
+        }
+
+        ObjDesc = WalkState->LocalVariables[Index].Object;
+
+        AcpiOsPrintf ("Local%d: ", Index);
+        AcpiDbDisplayInternalObject (ObjDesc, WalkState);
+        break;
+
+    default:
+        break;
+    }
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDbWalkForSpecificObjects
+ *
+ * PARAMETERS:  Callback from WalkNamespace
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Display short info about objects in the namespace
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiDbWalkForSpecificObjects (
+    ACPI_HANDLE             ObjHandle,
+    UINT32                  NestingLevel,
+    void                    *Context,
+    void                    **ReturnValue)
+{
+    ACPI_OPERAND_OBJECT     *ObjDesc;
+    ACPI_STATUS             Status;
+    ACPI_BUFFER             Buffer;
+
+
+    ObjDesc = AcpiNsGetAttachedObject ((ACPI_NAMESPACE_NODE *) ObjHandle);
+
+    /* Get and display the full pathname to this object */
+
+    Buffer.Length = ACPI_ALLOCATE_LOCAL_BUFFER;
+    Status = AcpiNsHandleToPathname (ObjHandle, &Buffer);
+    if (ACPI_FAILURE (Status))
+    {
+        AcpiOsPrintf ("Could Not get pathname for object %p\n", ObjHandle);
+        return (AE_OK);
+    }
+
+    AcpiOsPrintf ("%32s", (char *) Buffer.Pointer);
+    ACPI_MEM_FREE (Buffer.Pointer);
+
+
+    /* Display short information about the object */
+
+    if (ObjDesc)
+    {
+        switch (ACPI_GET_OBJECT_TYPE (ObjDesc))
+        {
+        case ACPI_TYPE_METHOD:
+            AcpiOsPrintf ("  #Args %d  Concurrency %X", 
+                    ObjDesc->Method.ParamCount, ObjDesc->Method.Concurrency);
+            break;
+
+        case ACPI_TYPE_INTEGER:
+            AcpiOsPrintf ("  Value %8.8X%8.8X", 
+                    ACPI_HIDWORD (ObjDesc->Integer.Value),
+                    ACPI_LODWORD (ObjDesc->Integer.Value));
+            break;
+
+        case ACPI_TYPE_STRING:
+            AcpiOsPrintf ("  \"%s\"", ObjDesc->String.Pointer);
+            break;
+
+        case ACPI_TYPE_REGION:
+            AcpiOsPrintf ("  SpaceId %X Length %X Address %8.8X%8.8X", 
+                    ObjDesc->Region.SpaceId,
+                    ObjDesc->Region.Length,
+                    ACPI_HIDWORD (ObjDesc->Region.Address),
+                    ACPI_LODWORD (ObjDesc->Region.Address));
+            break;
+
+        case ACPI_TYPE_PACKAGE:
+            AcpiOsPrintf ("  #Elements %X", ObjDesc->Package.Count);
+            break;
+
+        case ACPI_TYPE_BUFFER:
+            AcpiOsPrintf ("  Length %X", ObjDesc->Buffer.Length);
+            break;
+
+        default:
+            /* Ignore other object types */
+            break;
+        }
+    }
+
+    AcpiOsPrintf ("\n");
+    return (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDbDisplayObjects
+ *
+ * PARAMETERS:  ObjTypeArg          - Type of object to display
+ *              DisplayCountArg     - Max depth to display
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Display objects in the namespace of the requested type
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiDbDisplayObjects (
+    NATIVE_CHAR             *ObjTypeArg,
+    NATIVE_CHAR             *DisplayCountArg)
+{
+    ACPI_OBJECT_TYPE        Type;
+
+
+    /* Get the object type */
+
+    Type = AcpiDbMatchArgument (ObjTypeArg, AcpiDbObjectTypes);
+    if (Type == ACPI_TYPE_NOT_FOUND)
+    {
+        AcpiOsPrintf ("Invalid or unsupported argument\n");
+        return (AE_OK);
+    }
+
+    AcpiDbSetOutputDestination (ACPI_DB_DUPLICATE_OUTPUT);
+    AcpiOsPrintf ("Objects of type [%s] defined in the current ACPI Namespace: \n",
+        AcpiUtGetTypeName (Type));
+
+    AcpiDbSetOutputDestination (ACPI_DB_REDIRECTABLE_OUTPUT);
+
+    /* Walk the namespace from the root */
+
+    (void) AcpiWalkNamespace (Type, ACPI_ROOT_OBJECT, ACPI_UINT32_MAX,
+                        AcpiDbWalkForSpecificObjects, (void *) &Type, NULL);
+
+    AcpiDbSetOutputDestination (ACPI_DB_CONSOLE_OUTPUT);
+    return (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDbWalkAndMatchName
+ *
+ * PARAMETERS:  Callback from WalkNamespace
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Find a particular name/names within the namespace.  Wildcards
+ *              are supported -- '?' matches any character.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiDbWalkAndMatchName (
+    ACPI_HANDLE             ObjHandle,
+    UINT32                  NestingLevel,
+    void                    *Context,
+    void                    **ReturnValue)
+{
+    ACPI_STATUS             Status;
+    NATIVE_CHAR             *RequestedName = (NATIVE_CHAR *) Context;
+    UINT32                  i;
+    ACPI_BUFFER             Buffer;
+
+
+    /* Check for a name match */
+
+    for (i = 0; i < 4; i++)
+    {
+        /* Wildcard support */
+
+        if ((RequestedName[i] != '?') &&
+            (RequestedName[i] != ((ACPI_NAMESPACE_NODE *) ObjHandle)->Name.Ascii[i]))
+        {
+            /* No match, just exit */
+
+            return (AE_OK);
+        }
+    }
+
+
+    /* Get the full pathname to this object */
+
+    Buffer.Length = ACPI_ALLOCATE_LOCAL_BUFFER;
+    Status = AcpiNsHandleToPathname (ObjHandle, &Buffer);
+    if (ACPI_FAILURE (Status))
+    {
+        AcpiOsPrintf ("Could Not get pathname for object %p\n", ObjHandle);
+    }
+    else
+    {
+        AcpiOsPrintf ("%32s (%p) - %s\n", (char *) Buffer.Pointer, ObjHandle,
+            AcpiUtGetTypeName (((ACPI_NAMESPACE_NODE *) ObjHandle)->Type));
+        ACPI_MEM_FREE (Buffer.Pointer);
+    }
+
+    return (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDbFindNameInNamespace
+ *
+ * PARAMETERS:  NameArg         - The 4-character ACPI name to find.
+ *                                wildcards are supported.
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Search the namespace for a given name (with wildcards)
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiDbFindNameInNamespace (
+    NATIVE_CHAR             *NameArg)
+{
+
+    if (ACPI_STRLEN (NameArg) > 4)
+    {
+        AcpiOsPrintf ("Name must be no longer than 4 characters\n");
+        return (AE_OK);
+    }
+
+    /* Walk the namespace from the root */
+
+    (void) AcpiWalkNamespace (ACPI_TYPE_ANY, ACPI_ROOT_OBJECT, ACPI_UINT32_MAX,
+                        AcpiDbWalkAndMatchName, NameArg, NULL);
+
+    AcpiDbSetOutputDestination (ACPI_DB_CONSOLE_OUTPUT);
+    return (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDbSetScope
+ *
+ * PARAMETERS:  Name                - New scope path
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Set the "current scope" as maintained by this utility.
+ *              The scope is used as a prefix to ACPI paths.
+ *
+ ******************************************************************************/
+
+void
+AcpiDbSetScope (
+    NATIVE_CHAR             *Name)
+{
+    ACPI_STATUS             Status;
+    ACPI_NAMESPACE_NODE     *Node;
+
+
+    if (!Name || Name[0] == 0)
+    {
+        AcpiOsPrintf ("Current scope: %s\n", AcpiGbl_DbScopeBuf);
+        return;
+    }
+
+    AcpiDbPrepNamestring (Name);
+
+
+    if (Name[0] == '\\')
+    {
+        /* Validate new scope from the root */
+
+        Status = AcpiNsGetNodeByPath (Name, AcpiGbl_RootNode, ACPI_NS_NO_UPSEARCH, &Node);
+        if (ACPI_FAILURE (Status))
+        {
+            goto ErrorExit;
+        }
+
+        ACPI_STRCPY (AcpiGbl_DbScopeBuf, Name);
+        ACPI_STRCAT (AcpiGbl_DbScopeBuf, "\\");
+    }
+    else
+    {
+        /* Validate new scope relative to old scope */
+
+        Status = AcpiNsGetNodeByPath (Name, AcpiGbl_DbScopeNode, ACPI_NS_NO_UPSEARCH, &Node);
+        if (ACPI_FAILURE (Status))
+        {
+            goto ErrorExit;
+        }
+
+        ACPI_STRCAT (AcpiGbl_DbScopeBuf, Name);
+        ACPI_STRCAT (AcpiGbl_DbScopeBuf, "\\");
+    }
+
+    AcpiGbl_DbScopeNode = Node;
+    AcpiOsPrintf ("New scope: %s\n", AcpiGbl_DbScopeBuf);
+    return;
+
+
+ErrorExit:
+
+    AcpiOsPrintf ("Could not attach scope: %s, %s\n", Name, AcpiFormatException (Status));
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDbDisplayResources
+ *
+ * PARAMETERS:  ObjectArg       - String with hex value of the object
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Display the resource objects associated with a device.
+ *
+ ******************************************************************************/
+
+void
+AcpiDbDisplayResources (
+    NATIVE_CHAR             *ObjectArg)
+{
+#if ACPI_MACHINE_WIDTH != 16
+
+    ACPI_OPERAND_OBJECT     *ObjDesc;
+    ACPI_STATUS             Status;
+    ACPI_BUFFER             ReturnObj;
+
+
+    AcpiDbSetOutputDestination (ACPI_DB_REDIRECTABLE_OUTPUT);
+    AcpiDbgLevel |= ACPI_LV_RESOURCES;
+
+    /* Convert string to object pointer */
+
+    ObjDesc = ACPI_TO_POINTER (ACPI_STRTOUL (ObjectArg, NULL, 16));
+
+    /* Prepare for a return object of arbitrary size */
+
+    ReturnObj.Pointer           = AcpiGbl_DbBuffer;
+    ReturnObj.Length            = ACPI_DEBUG_BUFFER_SIZE;
+
+    /* _PRT */
+
+    AcpiOsPrintf ("Evaluating _PRT\n");
+
+    Status = AcpiEvaluateObject (ObjDesc, "_PRT", NULL, &ReturnObj);
+    if (ACPI_FAILURE (Status))
+    {
+        AcpiOsPrintf ("Could not obtain _PRT: %s\n", AcpiFormatException (Status));
+        goto GetCrs;
+    }
+
+    ReturnObj.Pointer           = AcpiGbl_DbBuffer;
+    ReturnObj.Length            = ACPI_DEBUG_BUFFER_SIZE;
+
+    Status = AcpiGetIrqRoutingTable (ObjDesc, &ReturnObj);
+    if (ACPI_FAILURE (Status))
+    {
+        AcpiOsPrintf ("GetIrqRoutingTable failed: %s\n", AcpiFormatException (Status));
+    }
+
+    else
+    {
+        AcpiRsDumpIrqList ((UINT8 *) AcpiGbl_DbBuffer);
+    }
+
+
+    /* _CRS */
+
+GetCrs:
+    AcpiOsPrintf ("Evaluating _CRS\n");
+
+    ReturnObj.Pointer           = AcpiGbl_DbBuffer;
+    ReturnObj.Length            = ACPI_DEBUG_BUFFER_SIZE;
+
+    Status = AcpiEvaluateObject (ObjDesc, "_CRS", NULL, &ReturnObj);
+    if (ACPI_FAILURE (Status))
+    {
+        AcpiOsPrintf ("Could not obtain _CRS: %s\n", AcpiFormatException (Status));
+        goto GetPrs;
+    }
+
+    ReturnObj.Pointer           = AcpiGbl_DbBuffer;
+    ReturnObj.Length            = ACPI_DEBUG_BUFFER_SIZE;
+
+    Status = AcpiGetCurrentResources (ObjDesc, &ReturnObj);
+    if (ACPI_FAILURE (Status))
+    {
+        AcpiOsPrintf ("AcpiGetCurrentResources failed: %s\n", AcpiFormatException (Status));
+        goto GetPrs;
+    }
+
+    else
+    {
+        AcpiRsDumpResourceList (ACPI_CAST_PTR (ACPI_RESOURCE, AcpiGbl_DbBuffer));
+    }
+
+    Status = AcpiSetCurrentResources (ObjDesc, &ReturnObj);
+    if (ACPI_FAILURE (Status))
+    {
+        AcpiOsPrintf ("AcpiSetCurrentResources failed: %s\n", AcpiFormatException (Status));
+        goto GetPrs;
+    }
+
+
+    /* _PRS */
+
+GetPrs:
+    AcpiOsPrintf ("Evaluating _PRS\n");
+
+    ReturnObj.Pointer           = AcpiGbl_DbBuffer;
+    ReturnObj.Length            = ACPI_DEBUG_BUFFER_SIZE;
+
+    Status = AcpiEvaluateObject (ObjDesc, "_PRS", NULL, &ReturnObj);
+    if (ACPI_FAILURE (Status))
+    {
+        AcpiOsPrintf ("Could not obtain _PRS: %s\n", AcpiFormatException (Status));
+        goto Cleanup;
+    }
+
+    ReturnObj.Pointer           = AcpiGbl_DbBuffer;
+    ReturnObj.Length            = ACPI_DEBUG_BUFFER_SIZE;
+
+    Status = AcpiGetPossibleResources (ObjDesc, &ReturnObj);
+    if (ACPI_FAILURE (Status))
+    {
+        AcpiOsPrintf ("AcpiGetPossibleResources failed: %s\n", AcpiFormatException (Status));
+    }
+
+    else
+    {
+        AcpiRsDumpResourceList (ACPI_CAST_PTR (ACPI_RESOURCE, AcpiGbl_DbBuffer));
+    }
+
+
+Cleanup:
+
+    AcpiDbSetOutputDestination (ACPI_DB_CONSOLE_OUTPUT);
+    return;
+#endif
+
+}
+
+
+typedef struct
+{
+    UINT32              Nodes;
+    UINT32              Objects;
+} ACPI_INTEGRITY_INFO;
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDbIntegrityWalk
+ *
+ * PARAMETERS:  Callback from WalkNamespace
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Examine one NS node for valid values.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiDbIntegrityWalk (
+    ACPI_HANDLE             ObjHandle,
+    UINT32                  NestingLevel,
+    void                    *Context,
+    void                    **ReturnValue)
+{
+    ACPI_INTEGRITY_INFO     *Info = (ACPI_INTEGRITY_INFO *) Context;
+    ACPI_NAMESPACE_NODE     *Node = (ACPI_NAMESPACE_NODE *) ObjHandle;
+    ACPI_OPERAND_OBJECT     *Object;
+
+
+    Info->Nodes++;
+    if (ACPI_GET_DESCRIPTOR_TYPE (Node) != ACPI_DESC_TYPE_NAMED)
+    {
+        AcpiOsPrintf ("Invalid Descriptor Type for Node %p, Type = %X\n",
+            Node, ACPI_GET_DESCRIPTOR_TYPE (Node));
+    }
+
+    if (Node->Type > ACPI_TYPE_LOCAL_MAX)
+    {
+        AcpiOsPrintf ("Invalid Object Type for Node %p, Type = %X\n",
+            Node, Node->Type);
+    }
+
+    if (!AcpiUtValidAcpiName (Node->Name.Integer))
+    {
+        AcpiOsPrintf ("Invalid AcpiName for Node %p\n", Node);
+    }
+
+    Object = AcpiNsGetAttachedObject (Node);
+    if (Object)
+    {
+        Info->Objects++;
+        if (ACPI_GET_DESCRIPTOR_TYPE (Object) != ACPI_DESC_TYPE_OPERAND)
+        {
+            AcpiOsPrintf ("Invalid Descriptor Type for Object %p, Type = %X\n",
+                Object, ACPI_GET_DESCRIPTOR_TYPE (Object));
+        }
+    }
+
+
+    return (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDbCheckIntegrity
+ *
+ * PARAMETERS:  None
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Check entire namespace for data structure integrity
+ *
+ ******************************************************************************/
+
+void
+AcpiDbCheckIntegrity (void)
+{
+    ACPI_INTEGRITY_INFO     Info = {0,0};
+
+    /* Search all nodes in namespace */
+
+    (void) AcpiWalkNamespace (ACPI_TYPE_ANY, ACPI_ROOT_OBJECT, ACPI_UINT32_MAX,
+                    AcpiDbIntegrityWalk, (void *) &Info, NULL);
+
+    AcpiOsPrintf ("Verified %d namespace nodes with %d Objects\n", Info.Nodes, Info.Objects);
+
+}
+
+#endif /* ACPI_DEBUGGER */
diff --git a/sys/contrib/dev/acpica/dbdisply.c b/sys/contrib/dev/acpica/dbdisply.c
new file mode 100644
index 0000000..9d6e798
--- /dev/null
+++ b/sys/contrib/dev/acpica/dbdisply.c
@@ -0,0 +1,1009 @@
+/*******************************************************************************
+ *
+ * Module Name: dbdisply - debug display commands
+ *              $Revision: 81 $
+ *
+ ******************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+
+#include "acpi.h"
+#include "amlcode.h"
+#include "acdispat.h"
+#include "acnamesp.h"
+#include "acparser.h"
+#include "acinterp.h"
+#include "acdebug.h"
+
+
+#ifdef ACPI_DEBUGGER
+
+
+#define _COMPONENT          ACPI_CA_DEBUGGER
+        ACPI_MODULE_NAME    ("dbdisply")
+
+
+/******************************************************************************
+ *
+ * FUNCTION:    AcpiDbGetPointer
+ *
+ * PARAMETERS:  Target          - Pointer to string to be converted
+ *
+ * RETURN:      Converted pointer
+ *
+ * DESCRIPTION: Convert an ascii pointer value to a real value
+ *
+ *****************************************************************************/
+
+void *
+AcpiDbGetPointer (
+    void                    *Target)
+{
+    void                    *ObjPtr;
+
+
+#if ACPI_MACHINE_WIDTH == 16
+#include <stdio.h>
+
+    /* Have to handle 16-bit pointers of the form segment:offset */
+
+    if (!sscanf (Target, "%p", &ObjPtr))
+    {
+        AcpiOsPrintf ("Invalid pointer: %s\n", Target);
+        return (NULL);
+    }
+
+#else
+
+    /* Simple flat pointer */
+
+    ObjPtr = ACPI_TO_POINTER (ACPI_STRTOUL (Target, NULL, 16));
+#endif
+
+    return (ObjPtr);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDbDumpParserDescriptor
+ *
+ * PARAMETERS:  Op              - A parser Op descriptor
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Display a formatted parser object
+ *
+ ******************************************************************************/
+
+void
+AcpiDbDumpParserDescriptor (
+    ACPI_PARSE_OBJECT       *Op)
+{
+    const ACPI_OPCODE_INFO  *Info;
+
+
+    Info = AcpiPsGetOpcodeInfo (Op->Common.AmlOpcode);
+
+    AcpiOsPrintf ("Parser Op Descriptor:\n");
+    AcpiOsPrintf ("%20.20s : %4.4X\n", "Opcode", Op->Common.AmlOpcode);
+
+    ACPI_DEBUG_ONLY_MEMBERS (AcpiOsPrintf ("%20.20s : %s\n", "Opcode Name", Info->Name));
+
+    AcpiOsPrintf ("%20.20s : %p\n", "Value/ArgList", Op->Common.Value.Arg);
+    AcpiOsPrintf ("%20.20s : %p\n", "Parent", Op->Common.Parent);
+    AcpiOsPrintf ("%20.20s : %p\n", "NextOp", Op->Common.Next);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDbDecodeAndDisplayObject
+ *
+ * PARAMETERS:  Target          - String with object to be displayed.  Names
+ *                                and hex pointers are supported.
+ *              OutputType      - Byte, Word, Dword, or Qword (B|W|D|Q)
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Display a formatted ACPI object
+ *
+ ******************************************************************************/
+
+void
+AcpiDbDecodeAndDisplayObject (
+    NATIVE_CHAR             *Target,
+    NATIVE_CHAR             *OutputType)
+{
+    void                    *ObjPtr;
+    ACPI_NAMESPACE_NODE     *Node;
+    ACPI_OPERAND_OBJECT     *ObjDesc;
+    UINT32                  Display = DB_BYTE_DISPLAY;
+    NATIVE_CHAR             Buffer[80];
+    ACPI_BUFFER             RetBuf;
+    ACPI_STATUS             Status;
+    UINT32                  Size;
+
+
+    if (!Target)
+    {
+        return;
+    }
+
+    /* Decode the output type */
+
+    if (OutputType)
+    {
+        ACPI_STRUPR (OutputType);
+        if (OutputType[0] == 'W')
+        {
+            Display = DB_WORD_DISPLAY;
+        }
+        else if (OutputType[0] == 'D')
+        {
+            Display = DB_DWORD_DISPLAY;
+        }
+        else if (OutputType[0] == 'Q')
+        {
+            Display = DB_QWORD_DISPLAY;
+        }
+    }
+
+    RetBuf.Length = sizeof (Buffer);
+    RetBuf.Pointer = Buffer;
+
+    /* Differentiate between a number and a name */
+
+    if ((Target[0] >= 0x30) && (Target[0] <= 0x39))
+    {
+        ObjPtr = AcpiDbGetPointer (Target);
+        if (!AcpiOsReadable (ObjPtr, 16))
+        {
+            AcpiOsPrintf ("Address %p is invalid in this address space\n", ObjPtr);
+            return;
+        }
+
+        /* Decode the object type */
+
+        switch (ACPI_GET_DESCRIPTOR_TYPE (ObjPtr))
+        {
+        case ACPI_DESC_TYPE_NAMED:
+
+            /* This is a namespace Node */
+
+            if (!AcpiOsReadable (ObjPtr, sizeof (ACPI_NAMESPACE_NODE)))
+            {
+                AcpiOsPrintf ("Cannot read entire Named object at address %p\n", ObjPtr);
+                return;
+            }
+
+            Node = ObjPtr;
+            goto DumpNte;
+
+
+        case ACPI_DESC_TYPE_OPERAND:
+
+            /* This is a ACPI OPERAND OBJECT */
+
+            if (!AcpiOsReadable (ObjPtr, sizeof (ACPI_OPERAND_OBJECT)))
+            {
+                AcpiOsPrintf ("Cannot read entire ACPI object at address %p\n", ObjPtr);
+                return;
+            }
+
+            AcpiUtDumpBuffer (ObjPtr, sizeof (ACPI_OPERAND_OBJECT), Display, ACPI_UINT32_MAX);
+            AcpiExDumpObjectDescriptor (ObjPtr, 1);
+            break;
+
+
+        case ACPI_DESC_TYPE_PARSER:
+
+            /* This is a Parser Op object */
+
+            if (!AcpiOsReadable (ObjPtr, sizeof (ACPI_PARSE_OBJECT)))
+            {
+                AcpiOsPrintf ("Cannot read entire Parser object at address %p\n", ObjPtr);
+                return;
+            }
+
+            AcpiUtDumpBuffer (ObjPtr, sizeof (ACPI_PARSE_OBJECT), Display, ACPI_UINT32_MAX);
+            AcpiDbDumpParserDescriptor ((ACPI_PARSE_OBJECT *) ObjPtr);
+            break;
+
+
+        default:
+
+            /* Is not a recognizeable object */
+
+            Size = 16;
+            if (AcpiOsReadable (ObjPtr, 64))
+            {
+                Size = 64;
+            }
+
+            /* Just dump some memory */
+
+            AcpiUtDumpBuffer (ObjPtr, Size, Display, ACPI_UINT32_MAX);
+            break;
+        }
+
+        return;
+    }
+
+    /* The parameter is a name string that must be resolved to a Named obj */
+
+    Node = AcpiDbLocalNsLookup (Target);
+    if (!Node)
+    {
+        return;
+    }
+
+
+DumpNte:
+    /* Now dump the Named obj */
+
+    Status = AcpiGetName (Node, ACPI_FULL_PATHNAME, &RetBuf);
+    if (ACPI_FAILURE (Status))
+    {
+        AcpiOsPrintf ("Could not convert name to pathname\n");
+    }
+
+    else
+    {
+        AcpiOsPrintf ("Object (%p) Pathname:  %s\n", Node, (char *) RetBuf.Pointer);
+    }
+
+    if (!AcpiOsReadable (Node, sizeof (ACPI_NAMESPACE_NODE)))
+    {
+        AcpiOsPrintf ("Invalid Named object at address %p\n", Node);
+        return;
+    }
+
+    AcpiUtDumpBuffer ((void *) Node, sizeof (ACPI_NAMESPACE_NODE), Display, ACPI_UINT32_MAX);
+    AcpiExDumpNode (Node, 1);
+
+    ObjDesc = AcpiNsGetAttachedObject (Node);
+    if (ObjDesc)
+    {
+        AcpiOsPrintf ("\nAttached Object (%p):\n", ObjDesc);
+        if (!AcpiOsReadable (ObjDesc, sizeof (ACPI_OPERAND_OBJECT)))
+        {
+            AcpiOsPrintf ("Invalid internal ACPI Object at address %p\n", ObjDesc);
+            return;
+        }
+
+        AcpiUtDumpBuffer ((void *) ObjDesc, sizeof (ACPI_OPERAND_OBJECT), Display, ACPI_UINT32_MAX);
+        AcpiExDumpObjectDescriptor (ObjDesc, 1);
+    }
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDbDecodeInternalObject
+ *
+ * PARAMETERS:  ObjDesc         - Object to be displayed
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Short display of an internal object.  Numbers and Strings.
+ *
+ ******************************************************************************/
+
+void
+AcpiDbDecodeInternalObject (
+    ACPI_OPERAND_OBJECT     *ObjDesc)
+{
+    UINT32                  i;
+
+
+    if (!ObjDesc)
+    {
+        AcpiOsPrintf (" Uninitialized");
+        return;
+    }
+
+    if (ACPI_GET_DESCRIPTOR_TYPE (ObjDesc) != ACPI_DESC_TYPE_OPERAND)
+    {
+        AcpiOsPrintf (" %p", ObjDesc);
+        return;
+    }
+
+    AcpiOsPrintf (" %s", AcpiUtGetObjectTypeName (ObjDesc));
+
+    switch (ACPI_GET_OBJECT_TYPE (ObjDesc))
+    {
+    case ACPI_TYPE_INTEGER:
+
+        AcpiOsPrintf (" %8.8X%8.8X", ACPI_HIDWORD (ObjDesc->Integer.Value),
+                                     ACPI_LODWORD (ObjDesc->Integer.Value));
+        break;
+
+
+    case ACPI_TYPE_STRING:
+
+        AcpiOsPrintf ("(%d) \"%.24s",
+                ObjDesc->String.Length, ObjDesc->String.Pointer);
+
+        if (ObjDesc->String.Length > 24)
+        {
+            AcpiOsPrintf ("...");
+        }
+        else
+        {
+            AcpiOsPrintf ("\"");
+        }
+        break;
+
+
+    case ACPI_TYPE_BUFFER:
+
+        AcpiOsPrintf ("(%d)", ObjDesc->Buffer.Length);
+        for (i = 0; (i < 8) && (i < ObjDesc->Buffer.Length); i++)
+        {
+            AcpiOsPrintf (" %2.2X", ObjDesc->Buffer.Pointer[i]);
+        }
+        break;
+
+
+    default:
+
+        AcpiOsPrintf (" %p", ObjDesc);
+        break;
+    }
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDbDecodeNode
+ *
+ * PARAMETERS:  Node        - Object to be displayed
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Short display of a namespace node
+ *
+ ******************************************************************************/
+
+void
+AcpiDbDecodeNode (
+    ACPI_NAMESPACE_NODE     *Node)
+{
+
+
+    AcpiOsPrintf ("<Node>            Name %4.4s",
+        Node->Name.Ascii);
+
+    if (Node->Flags & ANOBJ_METHOD_ARG)
+    {
+        AcpiOsPrintf (" [Method Arg]");
+    }
+    if (Node->Flags & ANOBJ_METHOD_LOCAL)
+    {
+        AcpiOsPrintf (" [Method Local]");
+    }
+
+    AcpiDbDecodeInternalObject (AcpiNsGetAttachedObject (Node));
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDbDisplayInternalObject
+ *
+ * PARAMETERS:  ObjDesc         - Object to be displayed
+ *              WalkState       - Current walk state
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Short display of an internal object
+ *
+ ******************************************************************************/
+
+void
+AcpiDbDisplayInternalObject (
+    ACPI_OPERAND_OBJECT     *ObjDesc,
+    ACPI_WALK_STATE         *WalkState)
+{
+    UINT8                   Type;
+
+
+    AcpiOsPrintf ("%p ", ObjDesc);
+
+    if (!ObjDesc)
+    {
+        AcpiOsPrintf ("<NullObj>\n");
+        return;
+    }
+
+    /* Decode the object type */
+
+    switch (ACPI_GET_DESCRIPTOR_TYPE (ObjDesc))
+    {
+    case ACPI_DESC_TYPE_PARSER:
+
+        AcpiOsPrintf ("<Parser>  ");
+        break;
+
+
+    case ACPI_DESC_TYPE_NAMED:
+
+        AcpiDbDecodeNode ((ACPI_NAMESPACE_NODE *) ObjDesc);
+        break;
+
+
+    case ACPI_DESC_TYPE_OPERAND:
+
+        Type = ACPI_GET_OBJECT_TYPE (ObjDesc);
+        if (Type > ACPI_TYPE_LOCAL_MAX)
+        {
+            AcpiOsPrintf (" Type %X [Invalid Type]", (UINT32) Type);
+            return;
+        }
+
+        /* Decode the ACPI object type */
+
+        switch (ACPI_GET_OBJECT_TYPE (ObjDesc))
+        {
+        case ACPI_TYPE_LOCAL_REFERENCE:
+
+            switch (ObjDesc->Reference.Opcode)
+            {
+            case AML_LOCAL_OP:
+
+                AcpiOsPrintf ("[Local%d] ", ObjDesc->Reference.Offset);
+                if (WalkState)
+                {
+                    ObjDesc = WalkState->LocalVariables[ObjDesc->Reference.Offset].Object;
+                    AcpiOsPrintf ("%p", ObjDesc);
+                    AcpiDbDecodeInternalObject (ObjDesc);
+                }
+                break;
+
+
+            case AML_ARG_OP:
+
+                AcpiOsPrintf ("[Arg%d]   ", ObjDesc->Reference.Offset);
+                if (WalkState)
+                {
+                    ObjDesc = WalkState->Arguments[ObjDesc->Reference.Offset].Object;
+                    AcpiOsPrintf ("%p", ObjDesc);
+                    AcpiDbDecodeInternalObject (ObjDesc);
+                }
+                break;
+
+
+            case AML_DEBUG_OP:
+
+                AcpiOsPrintf ("[Debug]  ");
+                break;
+
+
+            case AML_INDEX_OP:
+
+                AcpiOsPrintf ("[Index]          ");
+                if (!ObjDesc->Reference.Where)
+                {
+                    AcpiOsPrintf ("Uninitialized WHERE ptr");
+                }
+                else
+                {
+                    AcpiDbDecodeInternalObject (*(ObjDesc->Reference.Where));
+                }
+                break;
+
+
+            case AML_REF_OF_OP:
+
+                AcpiOsPrintf ("[RefOf]          ");
+
+                /* Reference can be to a Node or an Operand object */
+
+                switch (ACPI_GET_DESCRIPTOR_TYPE (ObjDesc->Reference.Object))
+                {
+                case ACPI_DESC_TYPE_NAMED:
+                    AcpiDbDecodeNode (ObjDesc->Reference.Object);
+                    break;
+
+                case ACPI_DESC_TYPE_OPERAND:
+                    AcpiDbDecodeInternalObject (ObjDesc->Reference.Object);
+                    break;
+
+                default:
+                    break;
+                }
+                break;
+
+
+            default:
+
+                AcpiOsPrintf ("Unknown Reference opcode %X\n",
+                    ObjDesc->Reference.Opcode);
+                break;
+            }
+            break;
+
+        default:
+
+            AcpiOsPrintf ("<Obj> ");
+            AcpiOsPrintf ("           ");
+            AcpiDbDecodeInternalObject (ObjDesc);
+            break;
+        }
+        break;
+
+
+    default:
+
+        AcpiOsPrintf ("<Not a valid ACPI Object Descriptor> ");
+        break;
+    }
+
+    AcpiOsPrintf ("\n");
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDbDisplayMethodInfo
+ *
+ * PARAMETERS:  StartOp         - Root of the control method parse tree
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Display information about the current method
+ *
+ ******************************************************************************/
+
+void
+AcpiDbDisplayMethodInfo (
+    ACPI_PARSE_OBJECT       *StartOp)
+{
+    ACPI_WALK_STATE         *WalkState;
+    ACPI_OPERAND_OBJECT     *ObjDesc;
+    ACPI_NAMESPACE_NODE     *Node;
+    ACPI_PARSE_OBJECT       *RootOp;
+    ACPI_PARSE_OBJECT       *Op;
+    const ACPI_OPCODE_INFO  *OpInfo;
+    UINT32                  NumOps = 0;
+    UINT32                  NumOperands = 0;
+    UINT32                  NumOperators = 0;
+    UINT32                  NumRemainingOps = 0;
+    UINT32                  NumRemainingOperands = 0;
+    UINT32                  NumRemainingOperators = 0;
+    UINT32                  NumArgs;
+    UINT32                  Concurrency;
+    BOOLEAN                 CountRemaining = FALSE;
+
+
+    WalkState = AcpiDsGetCurrentWalkState (AcpiGbl_CurrentWalkList);
+    if (!WalkState)
+    {
+        AcpiOsPrintf ("There is no method currently executing\n");
+        return;
+    }
+
+    ObjDesc = WalkState->MethodDesc;
+    Node    = WalkState->MethodNode;
+
+    NumArgs     = ObjDesc->Method.ParamCount;
+    Concurrency = ObjDesc->Method.Concurrency;
+
+    AcpiOsPrintf ("Currently executing control method is [%4.4s]\n", Node->Name.Ascii);
+    AcpiOsPrintf ("%X arguments, max concurrency = %X\n", NumArgs, Concurrency);
+
+
+    RootOp = StartOp;
+    while (RootOp->Common.Parent)
+    {
+        RootOp = RootOp->Common.Parent;
+    }
+
+    Op = RootOp;
+
+    while (Op)
+    {
+        if (Op == StartOp)
+        {
+            CountRemaining = TRUE;
+        }
+
+        NumOps++;
+        if (CountRemaining)
+        {
+            NumRemainingOps++;
+        }
+
+        /* Decode the opcode */
+
+        OpInfo = AcpiPsGetOpcodeInfo (Op->Common.AmlOpcode);
+        switch (OpInfo->Class)
+        {
+        case AML_CLASS_ARGUMENT:
+            if (CountRemaining)
+            {
+                NumRemainingOperands++;
+            }
+
+            NumOperands++;
+            break;
+
+        case AML_CLASS_UNKNOWN:
+            /* Bad opcode or ASCII character */
+
+            continue;
+
+        default:
+            if (CountRemaining)
+            {
+                NumRemainingOperators++;
+            }
+
+            NumOperators++;
+            break;
+        }
+
+        Op = AcpiPsGetDepthNext (StartOp, Op);
+    }
+
+    AcpiOsPrintf ("Method contains:       %X AML Opcodes - %X Operators, %X Operands\n",
+                NumOps, NumOperators, NumOperands);
+
+    AcpiOsPrintf ("Remaining to execute:  %X AML Opcodes - %X Operators, %X Operands\n",
+                NumRemainingOps, NumRemainingOperators, NumRemainingOperands);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDbDisplayLocals
+ *
+ * PARAMETERS:  None
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Display all locals for the currently running control method
+ *
+ ******************************************************************************/
+
+void
+AcpiDbDisplayLocals (void)
+{
+    UINT32                  i;
+    ACPI_WALK_STATE         *WalkState;
+    ACPI_OPERAND_OBJECT     *ObjDesc;
+    ACPI_NAMESPACE_NODE     *Node;
+
+
+    WalkState = AcpiDsGetCurrentWalkState (AcpiGbl_CurrentWalkList);
+    if (!WalkState)
+    {
+        AcpiOsPrintf ("There is no method currently executing\n");
+        return;
+    }
+
+    ObjDesc = WalkState->MethodDesc;
+    Node = WalkState->MethodNode;
+    AcpiOsPrintf ("Local Variables for method [%4.4s]:\n", Node->Name.Ascii);
+
+    for (i = 0; i < MTH_NUM_LOCALS; i++)
+    {
+        ObjDesc = WalkState->LocalVariables[i].Object;
+        AcpiOsPrintf ("Local%d: ", i);
+        AcpiDbDisplayInternalObject (ObjDesc, WalkState);
+    }
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDbDisplayArguments
+ *
+ * PARAMETERS:  None
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Display all arguments for the currently running control method
+ *
+ ******************************************************************************/
+
+void
+AcpiDbDisplayArguments (void)
+{
+    UINT32                  i;
+    ACPI_WALK_STATE         *WalkState;
+    ACPI_OPERAND_OBJECT     *ObjDesc;
+    UINT32                  NumArgs;
+    UINT32                  Concurrency;
+    ACPI_NAMESPACE_NODE     *Node;
+
+
+    WalkState = AcpiDsGetCurrentWalkState (AcpiGbl_CurrentWalkList);
+    if (!WalkState)
+    {
+        AcpiOsPrintf ("There is no method currently executing\n");
+        return;
+    }
+
+    ObjDesc = WalkState->MethodDesc;
+    Node    = WalkState->MethodNode;
+
+    NumArgs     = ObjDesc->Method.ParamCount;
+    Concurrency = ObjDesc->Method.Concurrency;
+
+    AcpiOsPrintf ("Method [%4.4s] has %X arguments, max concurrency = %X\n",
+            Node->Name.Ascii, NumArgs, Concurrency);
+
+    for (i = 0; i < NumArgs; i++)
+    {
+        ObjDesc = WalkState->Arguments[i].Object;
+        AcpiOsPrintf ("Arg%d: ", i);
+        AcpiDbDisplayInternalObject (ObjDesc, WalkState);
+    }
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDbDisplayResults
+ *
+ * PARAMETERS:  None
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Display current contents of a method result stack
+ *
+ ******************************************************************************/
+
+void
+AcpiDbDisplayResults (void)
+{
+    UINT32                  i;
+    ACPI_WALK_STATE         *WalkState;
+    ACPI_OPERAND_OBJECT     *ObjDesc;
+    UINT32                  NumResults = 0;
+    ACPI_NAMESPACE_NODE     *Node;
+
+
+    WalkState = AcpiDsGetCurrentWalkState (AcpiGbl_CurrentWalkList);
+    if (!WalkState)
+    {
+        AcpiOsPrintf ("There is no method currently executing\n");
+        return;
+    }
+
+    ObjDesc = WalkState->MethodDesc;
+    Node = WalkState->MethodNode;
+
+    if (WalkState->Results)
+    {
+        NumResults = WalkState->Results->Results.NumResults;
+    }
+
+    AcpiOsPrintf ("Method [%4.4s] has %X stacked result objects\n",
+        Node->Name.Ascii, NumResults);
+
+    for (i = 0; i < NumResults; i++)
+    {
+        ObjDesc = WalkState->Results->Results.ObjDesc[i];
+        AcpiOsPrintf ("Result%d: ", i);
+        AcpiDbDisplayInternalObject (ObjDesc, WalkState);
+    }
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDbDisplayCallingTree
+ *
+ * PARAMETERS:  None
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Display current calling tree of nested control methods
+ *
+ ******************************************************************************/
+
+void
+AcpiDbDisplayCallingTree (void)
+{
+    ACPI_WALK_STATE         *WalkState;
+    ACPI_NAMESPACE_NODE     *Node;
+
+
+    WalkState = AcpiDsGetCurrentWalkState (AcpiGbl_CurrentWalkList);
+    if (!WalkState)
+    {
+        AcpiOsPrintf ("There is no method currently executing\n");
+        return;
+    }
+
+    Node = WalkState->MethodNode;
+    AcpiOsPrintf ("Current Control Method Call Tree\n");
+
+    while (WalkState)
+    {
+        Node = WalkState->MethodNode;
+
+        AcpiOsPrintf ("    [%4.4s]\n", Node->Name.Ascii);
+
+        WalkState = WalkState->Next;
+    }
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDbDisplayResultObject
+ *
+ * PARAMETERS:  ObjDesc         - Object to be displayed
+ *              WalkState       - Current walk state
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Display the result of an AML opcode
+ *
+ * Note: Curently only displays the result object if we are single stepping.
+ * However, this output may be useful in other contexts and could be enabled
+ * to do so if needed.
+ *
+ ******************************************************************************/
+
+void
+AcpiDbDisplayResultObject (
+    ACPI_OPERAND_OBJECT     *ObjDesc,
+    ACPI_WALK_STATE         *WalkState)
+{
+
+    /* Only display if single stepping */
+
+    if (!AcpiGbl_CmSingleStep)
+    {
+        return;
+    }
+
+    AcpiOsPrintf ("ResultObj: ");
+    AcpiDbDisplayInternalObject (ObjDesc, WalkState);
+    AcpiOsPrintf ("\n");
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDbDisplayArgumentObject
+ *
+ * PARAMETERS:  ObjDesc         - Object to be displayed
+ *              WalkState       - Current walk state
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Display the result of an AML opcode
+ *
+ ******************************************************************************/
+
+void
+AcpiDbDisplayArgumentObject (
+    ACPI_OPERAND_OBJECT     *ObjDesc,
+    ACPI_WALK_STATE         *WalkState)
+{
+
+    if (!AcpiGbl_CmSingleStep)
+    {
+        return;
+    }
+
+    AcpiOsPrintf ("ArgObj:    ");
+    AcpiDbDisplayInternalObject (ObjDesc, WalkState);
+}
+
+#endif /* ACPI_DEBUGGER */
+
diff --git a/sys/contrib/dev/acpica/dbexec.c b/sys/contrib/dev/acpica/dbexec.c
new file mode 100644
index 0000000..d4ccd64
--- /dev/null
+++ b/sys/contrib/dev/acpica/dbexec.c
@@ -0,0 +1,519 @@
+/*******************************************************************************
+ *
+ * Module Name: dbexec - debugger control method execution
+ *              $Revision: 46 $
+ *
+ ******************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+
+#include "acpi.h"
+#include "acdebug.h"
+
+#ifdef ACPI_DEBUGGER
+
+#define _COMPONENT          ACPI_CA_DEBUGGER
+        ACPI_MODULE_NAME    ("dbexec")
+
+
+static ACPI_DB_METHOD_INFO  AcpiGbl_DbMethodInfo;
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDbExecuteMethod
+ *
+ * PARAMETERS:  Info            - Valid info segment
+ *              ReturnObj       - Where to put return object
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Execute a control method.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiDbExecuteMethod (
+    ACPI_DB_METHOD_INFO     *Info,
+    ACPI_BUFFER             *ReturnObj)
+{
+    ACPI_STATUS             Status;
+    ACPI_OBJECT_LIST        ParamObjects;
+    ACPI_OBJECT             Params[MTH_NUM_ARGS];
+    UINT32                  i;
+
+
+    if (AcpiGbl_DbOutputToFile && !AcpiDbgLevel)
+    {
+        AcpiOsPrintf ("Warning: debug output is not enabled!\n");
+    }
+
+    /* Are there arguments to the method? */
+
+    if (Info->Args && Info->Args[0])
+    {
+        for (i = 0; Info->Args[i] && i < MTH_NUM_ARGS; i++)
+        {
+            Params[i].Type              = ACPI_TYPE_INTEGER;
+            Params[i].Integer.Value     = ACPI_STRTOUL (Info->Args[i], NULL, 16);
+        }
+
+        ParamObjects.Pointer        = Params;
+        ParamObjects.Count          = i;
+    }
+    else
+    {
+        /* Setup default parameters */
+
+        Params[0].Type              = ACPI_TYPE_INTEGER;
+        Params[0].Integer.Value     = 0x01020304;
+
+        Params[1].Type              = ACPI_TYPE_STRING;
+        Params[1].String.Length     = 12;
+        Params[1].String.Pointer    = "AML Debugger";
+
+        ParamObjects.Pointer        = Params;
+        ParamObjects.Count          = 2;
+    }
+
+    /* Prepare for a return object of arbitrary size */
+
+    ReturnObj->Pointer           = AcpiGbl_DbBuffer;
+    ReturnObj->Length            = ACPI_DEBUG_BUFFER_SIZE;
+
+    /* Do the actual method execution */
+
+    Status = AcpiEvaluateObject (NULL, Info->Pathname, &ParamObjects, ReturnObj);
+
+    AcpiGbl_CmSingleStep = FALSE;
+    AcpiGbl_MethodExecuting = FALSE;
+
+    return (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDbExecuteSetup
+ *
+ * PARAMETERS:  Info            - Valid method info
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Setup info segment prior to method execution
+ *
+ ******************************************************************************/
+
+void
+AcpiDbExecuteSetup (
+    ACPI_DB_METHOD_INFO     *Info)
+{
+
+    /* Catenate the current scope to the supplied name */
+
+    Info->Pathname[0] = 0;
+    if ((Info->Name[0] != '\\') &&
+        (Info->Name[0] != '/'))
+    {
+        ACPI_STRCAT (Info->Pathname, AcpiGbl_DbScopeBuf);
+    }
+
+    ACPI_STRCAT (Info->Pathname, Info->Name);
+    AcpiDbPrepNamestring (Info->Pathname);
+
+    AcpiDbSetOutputDestination (ACPI_DB_DUPLICATE_OUTPUT);
+    AcpiOsPrintf ("Executing %s\n", Info->Pathname);
+
+    if (Info->Flags & EX_SINGLE_STEP)
+    {
+        AcpiGbl_CmSingleStep = TRUE;
+        AcpiDbSetOutputDestination (ACPI_DB_CONSOLE_OUTPUT);
+    }
+
+    else
+    {
+        /* No single step, allow redirection to a file */
+
+        AcpiDbSetOutputDestination (ACPI_DB_REDIRECTABLE_OUTPUT);
+    }
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDbGetOutstandingAllocations
+ *
+ * PARAMETERS:  None
+ *
+ * RETURN:      Current global allocation count minus cache entries
+ *
+ * DESCRIPTION: Determine the current number of "outstanding" allocations --
+ *              those allocations that have not been freed and also are not
+ *              in one of the various object caches.
+ *
+ ******************************************************************************/
+
+UINT32
+AcpiDbGetOutstandingAllocations (
+    void)
+{
+    UINT32                  Outstanding = 0;
+
+#ifdef ACPI_DBG_TRACK_ALLOCATIONS
+    UINT32                  i;
+
+
+    for (i = ACPI_MEM_LIST_FIRST_CACHE_LIST; i < ACPI_NUM_MEM_LISTS; i++)
+    {
+        Outstanding += (AcpiGbl_MemoryLists[i].TotalAllocated -
+                        AcpiGbl_MemoryLists[i].TotalFreed -
+                        AcpiGbl_MemoryLists[i].CacheDepth);
+    }
+#endif
+
+    return (Outstanding);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDbExecute
+ *
+ * PARAMETERS:  Name                - Name of method to execute
+ *              Args                - Parameters to the method
+ *              Flags               - single step/no single step
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Execute a control method.  Name is relative to the current
+ *              scope.
+ *
+ ******************************************************************************/
+
+void
+AcpiDbExecute (
+    NATIVE_CHAR             *Name,
+    NATIVE_CHAR             **Args,
+    UINT32                  Flags)
+{
+    ACPI_STATUS             Status;
+    ACPI_BUFFER             ReturnObj;
+
+
+#ifdef ACPI_DEBUG_OUTPUT
+    UINT32                  PreviousAllocations;
+    UINT32                  Allocations;
+
+
+    /* Memory allocation tracking */
+
+    PreviousAllocations = AcpiDbGetOutstandingAllocations ();
+#endif
+
+    AcpiGbl_DbMethodInfo.Name = Name;
+    AcpiGbl_DbMethodInfo.Args = Args;
+    AcpiGbl_DbMethodInfo.Flags = Flags;
+
+    ReturnObj.Pointer = NULL;
+    ReturnObj.Length = ACPI_ALLOCATE_BUFFER;
+
+    AcpiDbExecuteSetup (&AcpiGbl_DbMethodInfo);
+    Status = AcpiDbExecuteMethod (&AcpiGbl_DbMethodInfo, &ReturnObj);
+
+    /*
+     * Allow any handlers in separate threads to complete.
+     * (Such as Notify handlers invoked from AML executed above).
+     */
+    AcpiOsSleep (0, 10);
+
+
+#ifdef ACPI_DEBUG_OUTPUT
+
+    /* Memory allocation tracking */
+
+    Allocations = AcpiDbGetOutstandingAllocations () - PreviousAllocations;
+
+    AcpiDbSetOutputDestination (ACPI_DB_DUPLICATE_OUTPUT);
+
+    if (Allocations > 0)
+    {
+        AcpiOsPrintf ("Outstanding: %ld allocations after execution\n",
+                        Allocations);
+    }
+#endif
+
+    if (ACPI_FAILURE (Status))
+    {
+        AcpiOsPrintf ("Execution of %s failed with status %s\n",
+            AcpiGbl_DbMethodInfo.Pathname, AcpiFormatException (Status));
+    }
+
+    else
+    {
+        /* Display a return object, if any */
+
+        if (ReturnObj.Length)
+        {
+            AcpiOsPrintf ("Execution of %s returned object %p Buflen %X\n",
+                AcpiGbl_DbMethodInfo.Pathname, ReturnObj.Pointer, 
+                (UINT32) ReturnObj.Length);
+            AcpiDbDumpObject (ReturnObj.Pointer, 1);
+        }
+        else
+        {
+            AcpiOsPrintf ("No return object from execution of %s\n",
+                AcpiGbl_DbMethodInfo.Pathname);
+        }
+    }
+
+    AcpiDbSetOutputDestination (ACPI_DB_CONSOLE_OUTPUT);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDbMethodThread
+ *
+ * PARAMETERS:  Context             - Execution info segment
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Debugger execute thread.  Waits for a command line, then
+ *              simply dispatches it.
+ *
+ ******************************************************************************/
+
+void ACPI_SYSTEM_XFACE
+AcpiDbMethodThread (
+    void                    *Context)
+{
+    ACPI_STATUS             Status;
+    ACPI_DB_METHOD_INFO     *Info = Context;
+    UINT32                  i;
+    ACPI_BUFFER             ReturnObj;
+
+
+    for (i = 0; i < Info->NumLoops; i++)
+    {
+        Status = AcpiDbExecuteMethod (Info, &ReturnObj);
+        if (ACPI_SUCCESS (Status))
+        {
+            if (ReturnObj.Length)
+            {
+                AcpiOsPrintf ("Execution of %s returned object %p Buflen %X\n",
+                    Info->Pathname, ReturnObj.Pointer, (UINT32) ReturnObj.Length);
+                AcpiDbDumpObject (ReturnObj.Pointer, 1);
+            }
+        }
+    }
+
+    /* Signal our completion */
+
+    Status = AcpiOsSignalSemaphore (Info->ThreadGate, 1);
+    if (ACPI_FAILURE (Status))
+    {
+        AcpiOsPrintf ("Could not signal debugger semaphore\n");
+    }
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDbCreateExecutionThreads
+ *
+ * PARAMETERS:  NumThreadsArg           - Number of threads to create
+ *              NumLoopsArg             - Loop count for the thread(s)
+ *              MethodNameArg           - Control method to execute
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Create threads to execute method(s)
+ *
+ ******************************************************************************/
+
+void
+AcpiDbCreateExecutionThreads (
+    NATIVE_CHAR             *NumThreadsArg,
+    NATIVE_CHAR             *NumLoopsArg,
+    NATIVE_CHAR             *MethodNameArg)
+{
+    ACPI_STATUS             Status;
+    UINT32                  NumThreads;
+    UINT32                  NumLoops;
+    UINT32                  i;
+    ACPI_HANDLE             ThreadGate;
+
+
+    /* Get the arguments */
+
+    NumThreads = ACPI_STRTOUL (NumThreadsArg, NULL, 0);
+    NumLoops   = ACPI_STRTOUL (NumLoopsArg, NULL, 0);
+
+    if (!NumThreads || !NumLoops)
+    {
+        AcpiOsPrintf ("Bad argument: Threads %X, Loops %X\n", NumThreads, NumLoops);
+        return;
+    }
+
+    /* Create the synchronization semaphore */
+
+    Status = AcpiOsCreateSemaphore (1, 0, &ThreadGate);
+    if (ACPI_FAILURE (Status))
+    {
+        AcpiOsPrintf ("Could not create semaphore, %s\n", AcpiFormatException (Status));
+        return;
+    }
+
+    /* Setup the context to be passed to each thread */
+
+    AcpiGbl_DbMethodInfo.Name = MethodNameArg;
+    AcpiGbl_DbMethodInfo.Args = NULL;
+    AcpiGbl_DbMethodInfo.Flags = 0;
+    AcpiGbl_DbMethodInfo.NumLoops = NumLoops;
+    AcpiGbl_DbMethodInfo.ThreadGate = ThreadGate;
+
+    AcpiDbExecuteSetup (&AcpiGbl_DbMethodInfo);
+
+    /* Create the threads */
+
+    AcpiOsPrintf ("Creating %X threads to execute %X times each\n", NumThreads, NumLoops);
+
+    for (i = 0; i < (NumThreads); i++)
+    {
+        Status = AcpiOsQueueForExecution (OSD_PRIORITY_MED, AcpiDbMethodThread, &AcpiGbl_DbMethodInfo);
+        if (ACPI_FAILURE (Status))
+        {
+            break;
+        }
+    }
+
+    /* Wait for all threads to complete */
+
+    i = NumThreads;
+    while (i)   /* Brain damage for OSD implementations that only support wait of 1 unit */
+    {
+        Status = AcpiOsWaitSemaphore (ThreadGate, 1, ACPI_WAIT_FOREVER);
+        i--;
+    }
+
+    /* Cleanup and exit */
+
+    (void) AcpiOsDeleteSemaphore (ThreadGate);
+
+    AcpiDbSetOutputDestination (ACPI_DB_DUPLICATE_OUTPUT);
+    AcpiOsPrintf ("All threads (%X) have completed\n", NumThreads);
+    AcpiDbSetOutputDestination (ACPI_DB_CONSOLE_OUTPUT);
+}
+
+
+#endif /* ACPI_DEBUGGER */
+
+
diff --git a/sys/contrib/dev/acpica/dbfileio.c b/sys/contrib/dev/acpica/dbfileio.c
new file mode 100644
index 0000000..8992781
--- /dev/null
+++ b/sys/contrib/dev/acpica/dbfileio.c
@@ -0,0 +1,528 @@
+/*******************************************************************************
+ *
+ * Module Name: dbfileio - Debugger file I/O commands.  These can't usually
+ *              be used when running the debugger in Ring 0 (Kernel mode)
+ *              $Revision: 69 $
+ *
+ ******************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+
+#include "acpi.h"
+#include "acdebug.h"
+#include "acnamesp.h"
+#include "actables.h"
+
+#if (defined ACPI_DEBUGGER || defined ACPI_DISASSEMBLER)
+
+#define _COMPONENT          ACPI_CA_DEBUGGER
+        ACPI_MODULE_NAME    ("dbfileio")
+
+
+/*
+ * NOTE: this is here for lack of a better place.  It is used in all
+ * flavors of the debugger, need LCD file
+ */
+#ifdef ACPI_APPLICATION
+#include <stdio.h>
+FILE                        *AcpiGbl_DebugFile = NULL;
+#endif
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDbMatchArgument
+ *
+ * PARAMETERS:  UserArgument            - User command line
+ *              Arguments               - Array of commands to match against
+ *
+ * RETURN:      Index into command array or ACPI_TYPE_NOT_FOUND if not found
+ *
+ * DESCRIPTION: Search command array for a command match
+ *
+ ******************************************************************************/
+
+ACPI_OBJECT_TYPE
+AcpiDbMatchArgument (
+    NATIVE_CHAR             *UserArgument,
+    ARGUMENT_INFO           *Arguments)
+{
+    UINT32                  i;
+
+
+    if (!UserArgument || UserArgument[0] == 0)
+    {
+        return (ACPI_TYPE_NOT_FOUND);
+    }
+
+    for (i = 0; Arguments[i].Name; i++)
+    {
+        if (ACPI_STRSTR (Arguments[i].Name, UserArgument) == Arguments[i].Name)
+        {
+            return (i);
+        }
+    }
+
+    /* Argument not recognized */
+
+    return (ACPI_TYPE_NOT_FOUND);
+}
+
+
+#ifdef ACPI_DEBUGGER
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDbCloseDebugFile
+ *
+ * PARAMETERS:  None
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: If open, close the current debug output file
+ *
+ ******************************************************************************/
+
+void
+AcpiDbCloseDebugFile (
+    void)
+{
+
+#ifdef ACPI_APPLICATION
+
+    if (AcpiGbl_DebugFile)
+    {
+       fclose (AcpiGbl_DebugFile);
+       AcpiGbl_DebugFile = NULL;
+       AcpiGbl_DbOutputToFile = FALSE;
+       AcpiOsPrintf ("Debug output file %s closed\n", AcpiGbl_DbDebugFilename);
+    }
+#endif
+
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDbOpenDebugFile
+ *
+ * PARAMETERS:  Name                - Filename to open
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Open a file where debug output will be directed.
+ *
+ ******************************************************************************/
+
+void
+AcpiDbOpenDebugFile (
+    NATIVE_CHAR             *Name)
+{
+
+#ifdef ACPI_APPLICATION
+
+    AcpiDbCloseDebugFile ();
+    AcpiGbl_DebugFile = fopen (Name, "w+");
+    if (AcpiGbl_DebugFile)
+    {
+        AcpiOsPrintf ("Debug output file %s opened\n", Name);
+        ACPI_STRCPY (AcpiGbl_DbDebugFilename, Name);
+        AcpiGbl_DbOutputToFile = TRUE;
+    }
+    else
+    {
+        AcpiOsPrintf ("Could not open debug file %s\n", Name);
+    }
+
+#endif
+}
+#endif
+
+
+#ifdef ACPI_APPLICATION
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDbLoadTable
+ *
+ * PARAMETERS:  fp              - File that contains table
+ *              TablePtr        - Return value, buffer with table
+ *              TableLenght     - Return value, length of table
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Load the DSDT from the file pointer
+ *
+ ******************************************************************************/
+
+static ACPI_STATUS
+AcpiDbLoadTable(
+    FILE                    *fp,
+    ACPI_TABLE_HEADER       **TablePtr,
+    UINT32                  *TableLength)
+{
+    ACPI_TABLE_HEADER       TableHeader;
+    UINT8                   *AmlStart;
+    UINT32                  AmlLength;
+    UINT32                  Actual;
+    ACPI_STATUS             Status;
+
+
+    /* Read the table header */
+
+    if (fread (&TableHeader, 1, sizeof (TableHeader), fp) != sizeof (ACPI_TABLE_HEADER))
+    {
+        AcpiOsPrintf ("Couldn't read the table header\n");
+        return (AE_BAD_SIGNATURE);
+    }
+
+
+    /* Validate the table header/length */
+
+    Status = AcpiTbValidateTableHeader (&TableHeader);
+    if ((ACPI_FAILURE (Status)) ||
+        (TableHeader.Length > 0x800000))  /* 8 Mbyte should be enough */
+    {
+        AcpiOsPrintf ("Table header is invalid!\n");
+        return (AE_ERROR);
+    }
+
+
+    /* We only support a limited number of table types */
+
+    if (ACPI_STRNCMP ((char *) TableHeader.Signature, DSDT_SIG, 4) &&
+        ACPI_STRNCMP ((char *) TableHeader.Signature, PSDT_SIG, 4) &&
+        ACPI_STRNCMP ((char *) TableHeader.Signature, SSDT_SIG, 4))
+    {
+        AcpiOsPrintf ("Table signature is invalid\n");
+        ACPI_DUMP_BUFFER (&TableHeader, sizeof (ACPI_TABLE_HEADER));
+        return (AE_ERROR);
+    }
+
+    /* Allocate a buffer for the table */
+
+    *TableLength = TableHeader.Length;
+    *TablePtr = AcpiOsAllocate ((size_t) *TableLength);
+    if (!*TablePtr)
+    {
+        AcpiOsPrintf ("Could not allocate memory for ACPI table %4.4s (size=%X)\n",
+                    TableHeader.Signature, TableHeader.Length);
+        return (AE_NO_MEMORY);
+    }
+
+
+    AmlStart  = (UINT8 *) *TablePtr + sizeof (TableHeader);
+    AmlLength = *TableLength - sizeof (TableHeader);
+
+    /* Copy the header to the buffer */
+
+    ACPI_MEMCPY (*TablePtr, &TableHeader, sizeof (TableHeader));
+
+    /* Get the rest of the table */
+
+    Actual = fread (AmlStart, 1, (size_t) AmlLength, fp);
+    if (Actual == AmlLength)
+    {
+        /* Now validate the checksum */
+
+        Status = AcpiTbVerifyTableChecksum (*TablePtr);
+
+        return (AE_OK);
+    }
+
+    if (Actual > 0)
+    {
+        AcpiOsPrintf ("Warning - reading table, asked for %X got %X\n", AmlLength, Actual);
+        return (AE_OK);
+    }
+
+
+    AcpiOsPrintf ("Error - could not read the table file\n");
+    AcpiOsFree (*TablePtr);
+    *TablePtr = NULL;
+    *TableLength = 0;
+
+    return (AE_ERROR);
+}
+#endif
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AeLocalLoadTable
+ *
+ * PARAMETERS:  TablePtr        - pointer to a buffer containing the entire
+ *                                table to be loaded
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: This function is called to load a table from the caller's
+ *              buffer.  The buffer must contain an entire ACPI Table including
+ *              a valid header.  The header fields will be verified, and if it
+ *              is determined that the table is invalid, the call will fail.
+ *
+ *              If the call fails an appropriate status will be returned.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AeLocalLoadTable (
+    ACPI_TABLE_HEADER       *TablePtr)
+{
+    ACPI_STATUS             Status;
+    ACPI_TABLE_DESC         TableInfo;
+
+
+    ACPI_FUNCTION_TRACE ("AeLocalLoadTable");
+
+    if (!TablePtr)
+    {
+        return_ACPI_STATUS (AE_BAD_PARAMETER);
+    }
+
+    TableInfo.Pointer = TablePtr;
+    Status = AcpiTbRecognizeTable (&TableInfo, ACPI_TABLE_SECONDARY);
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    /* Install the new table into the local data structures */
+
+    Status = AcpiTbInstallTable (&TableInfo);
+    if (ACPI_FAILURE (Status))
+    {
+        /* Free table allocated by AcpiTbGetTable */
+
+        AcpiTbDeleteSingleTable (&TableInfo);
+        return_ACPI_STATUS (Status);
+    }
+
+
+#if (!defined (ACPI_NO_METHOD_EXECUTION) && !defined (ACPI_CONSTANT_EVAL_ONLY))
+    Status = AcpiNsLoadTable (TableInfo.InstalledDesc, AcpiGbl_RootNode);
+    if (ACPI_FAILURE (Status))
+    {
+        /* Uninstall table and free the buffer */
+
+        AcpiTbDeleteAcpiTable (ACPI_TABLE_DSDT);
+        return_ACPI_STATUS (Status);
+    }
+#endif
+
+    return_ACPI_STATUS (Status);
+}
+
+
+#ifdef ACPI_APPLICATION
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDbGetAcpiTable
+ *
+ * PARAMETERS:  Filname         - File where table is located
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Get an ACPI table from a file
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiDbGetAcpiTable (
+    NATIVE_CHAR             *Filename)
+{
+    FILE                    *fp;
+    UINT32                  TableLength;
+    ACPI_STATUS             Status;
+
+
+    /* Open the file */
+
+    fp = fopen (Filename, "rb");
+    if (!fp)
+    {
+        AcpiOsPrintf ("Could not open file %s\n", Filename);
+        return (AE_ERROR);
+    }
+
+
+    /* Get the entire file */
+
+    fprintf (stderr, "Loading Acpi table from file %s\n", Filename);
+    Status = AcpiDbLoadTable (fp, &AcpiGbl_DbTablePtr, &TableLength);
+    fclose(fp);
+
+    if (ACPI_FAILURE (Status))
+    {
+        AcpiOsPrintf ("Couldn't get table from the file\n");
+        return (Status);
+    }
+
+    return (AE_OK);
+ }
+#endif
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDbLoadAcpiTable
+ *
+ * PARAMETERS:  Filname         - File where table is located
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Load an ACPI table from a file
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiDbLoadAcpiTable (
+    NATIVE_CHAR             *Filename)
+{
+#ifdef ACPI_APPLICATION
+    ACPI_STATUS             Status;
+
+
+    Status = AcpiDbGetAcpiTable (Filename);
+    if (ACPI_FAILURE (Status))
+    {
+        return (Status);
+    }
+
+   /* Attempt to recognize and install the table */
+
+    Status = AeLocalLoadTable (AcpiGbl_DbTablePtr);
+    if (ACPI_FAILURE (Status))
+    {
+        if (Status == AE_ALREADY_EXISTS)
+        {
+            AcpiOsPrintf ("Table %4.4s is already installed\n",
+                            AcpiGbl_DbTablePtr->Signature);
+        }
+        else
+        {
+            AcpiOsPrintf ("Could not install table, %s\n",
+                            AcpiFormatException (Status));
+        }
+
+        return (Status);
+    }
+
+    fprintf (stderr, "Acpi table [%4.4s] successfully installed and loaded\n",
+                                AcpiGbl_DbTablePtr->Signature);
+
+    AcpiGbl_AcpiHardwarePresent = FALSE;
+
+#endif  /* ACPI_APPLICATION */
+    return (AE_OK);
+}
+
+
+#endif  /* ACPI_DEBUGGER */
+
diff --git a/sys/contrib/dev/acpica/dbhistry.c b/sys/contrib/dev/acpica/dbhistry.c
new file mode 100644
index 0000000..fb5b0e8
--- /dev/null
+++ b/sys/contrib/dev/acpica/dbhistry.c
@@ -0,0 +1,291 @@
+/******************************************************************************
+ *
+ * Module Name: dbhistry - debugger HISTORY command
+ *              $Revision: 25 $
+ *
+ *****************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+
+#include "acpi.h"
+#include "acdebug.h"
+
+#ifdef ACPI_DEBUGGER
+
+#define _COMPONENT          ACPI_CA_DEBUGGER
+        ACPI_MODULE_NAME    ("dbhistry")
+
+
+#define HI_NO_HISTORY       0
+#define HI_RECORD_HISTORY   1
+#define HISTORY_SIZE        20
+
+
+typedef struct HistoryInfo
+{
+    NATIVE_CHAR             Command[80];
+    UINT32                  CmdNum;
+
+} HISTORY_INFO;
+
+
+static HISTORY_INFO         AcpiGbl_HistoryBuffer[HISTORY_SIZE];
+static UINT16               AcpiGbl_LoHistory = 0;
+static UINT16               AcpiGbl_NumHistory = 0;
+static UINT16               AcpiGbl_NextHistoryIndex = 0;
+static UINT32               AcpiGbl_NextCmdNum = 1;
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDbAddToHistory
+ *
+ * PARAMETERS:  CommandLine     - Command to add
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Add a command line to the history buffer.
+ *
+ ******************************************************************************/
+
+void
+AcpiDbAddToHistory (
+    NATIVE_CHAR             *CommandLine)
+{
+
+    /* Put command into the next available slot */
+
+    ACPI_STRCPY (AcpiGbl_HistoryBuffer[AcpiGbl_NextHistoryIndex].Command, CommandLine);
+
+    AcpiGbl_HistoryBuffer[AcpiGbl_NextHistoryIndex].CmdNum = AcpiGbl_NextCmdNum;
+
+    /* Adjust indexes */
+
+    if ((AcpiGbl_NumHistory == HISTORY_SIZE) &&
+        (AcpiGbl_NextHistoryIndex == AcpiGbl_LoHistory))
+    {
+        AcpiGbl_LoHistory++;
+        if (AcpiGbl_LoHistory >= HISTORY_SIZE)
+        {
+            AcpiGbl_LoHistory = 0;
+        }
+    }
+
+    AcpiGbl_NextHistoryIndex++;
+    if (AcpiGbl_NextHistoryIndex >= HISTORY_SIZE)
+    {
+        AcpiGbl_NextHistoryIndex = 0;
+    }
+
+    AcpiGbl_NextCmdNum++;
+    if (AcpiGbl_NumHistory < HISTORY_SIZE)
+    {
+        AcpiGbl_NumHistory++;
+    }
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDbDisplayHistory
+ *
+ * PARAMETERS:  None
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Display the contents of the history buffer
+ *
+ ******************************************************************************/
+
+void
+AcpiDbDisplayHistory (void)
+{
+    NATIVE_UINT             i;
+    UINT16                  HistoryIndex;
+
+
+    HistoryIndex = AcpiGbl_LoHistory;
+
+    /* Dump entire history buffer */
+
+    for (i = 0; i < AcpiGbl_NumHistory; i++)
+    {
+        AcpiOsPrintf ("%ld  %s\n", AcpiGbl_HistoryBuffer[HistoryIndex].CmdNum,
+                                   AcpiGbl_HistoryBuffer[HistoryIndex].Command);
+
+        HistoryIndex++;
+        if (HistoryIndex >= HISTORY_SIZE)
+        {
+            HistoryIndex = 0;
+        }
+    }
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDbGetFromHistory
+ *
+ * PARAMETERS:  CommandNumArg           - String containing the number of the
+ *                                        command to be retrieved
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Get a command from the history buffer
+ *
+ ******************************************************************************/
+
+NATIVE_CHAR *
+AcpiDbGetFromHistory (
+    NATIVE_CHAR             *CommandNumArg)
+{
+    NATIVE_UINT             i;
+    UINT16                  HistoryIndex;
+    UINT32                  CmdNum;
+
+
+    if (CommandNumArg == NULL)
+    {
+        CmdNum = AcpiGbl_NextCmdNum - 1;
+    }
+
+    else
+    {
+        CmdNum = ACPI_STRTOUL (CommandNumArg, NULL, 0);
+    }
+
+    /* Search history buffer */
+
+    HistoryIndex = AcpiGbl_LoHistory;
+    for (i = 0; i < AcpiGbl_NumHistory; i++)
+    {
+        if (AcpiGbl_HistoryBuffer[HistoryIndex].CmdNum == CmdNum)
+        {
+            /* Found the commnad, return it */
+
+            return (AcpiGbl_HistoryBuffer[HistoryIndex].Command);
+        }
+
+
+        HistoryIndex++;
+        if (HistoryIndex >= HISTORY_SIZE)
+        {
+            HistoryIndex = 0;
+        }
+    }
+
+    AcpiOsPrintf ("Invalid history number: %d\n", HistoryIndex);
+    return (NULL);
+}
+
+
+#endif /* ACPI_DEBUGGER */
+
diff --git a/sys/contrib/dev/acpica/dbinput.c b/sys/contrib/dev/acpica/dbinput.c
new file mode 100644
index 0000000..8edcbda
--- /dev/null
+++ b/sys/contrib/dev/acpica/dbinput.c
@@ -0,0 +1,984 @@
+/*******************************************************************************
+ *
+ * Module Name: dbinput - user front-end to the AML debugger
+ *              $Revision: 88 $
+ *
+ ******************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+
+#include "acpi.h"
+#include "acdebug.h"
+
+
+#ifdef ACPI_DEBUGGER
+
+#define _COMPONENT          ACPI_CA_DEBUGGER
+        ACPI_MODULE_NAME    ("dbinput")
+
+
+/*
+ * Top-level debugger commands.
+ *
+ * This list of commands must match the string table below it
+ */
+enum AcpiExDebuggerCommands
+{
+    CMD_NOT_FOUND = 0,
+    CMD_NULL,
+    CMD_ALLOCATIONS,
+    CMD_ARGS,
+    CMD_ARGUMENTS,
+    CMD_BREAKPOINT,
+    CMD_CALL,
+    CMD_CLOSE,
+    CMD_DEBUG,
+    CMD_DUMP,
+    CMD_ENABLEACPI,
+    CMD_EVENT,
+    CMD_EXECUTE,
+    CMD_EXIT,
+    CMD_FIND,
+    CMD_GO,
+    CMD_HELP,
+    CMD_HELP2,
+    CMD_HISTORY,
+    CMD_HISTORY_EXE,
+    CMD_HISTORY_LAST,
+    CMD_INFORMATION,
+    CMD_INTEGRITY,
+    CMD_INTO,
+    CMD_LEVEL,
+    CMD_LIST,
+    CMD_LOAD,
+    CMD_LOCALS,
+    CMD_LOCKS,
+    CMD_METHODS,
+    CMD_NAMESPACE,
+    CMD_NOTIFY,
+    CMD_OBJECT,
+    CMD_OPEN,
+    CMD_OWNER,
+    CMD_PREFIX,
+    CMD_QUIT,
+    CMD_REFERENCES,
+    CMD_RESOURCES,
+    CMD_RESULTS,
+    CMD_SET,
+    CMD_STATS,
+    CMD_STOP,
+    CMD_TABLES,
+    CMD_TERMINATE,
+    CMD_THREADS,
+    CMD_TREE,
+    CMD_UNLOAD
+};
+
+#define CMD_FIRST_VALID     2
+
+
+static const COMMAND_INFO       AcpiGbl_DbCommands[] =
+{
+    {"<NOT FOUND>",  0},
+    {"<NULL>",       0},
+    {"ALLOCATIONS",  0},
+    {"ARGS",         0},
+    {"ARGUMENTS",    0},
+    {"BREAKPOINT",   1},
+    {"CALL",         0},
+    {"CLOSE",        0},
+    {"DEBUG",        1},
+    {"DUMP",         1},
+    {"ENABLEACPI",   0},
+    {"EVENT",        1},
+    {"EXECUTE",      1},
+    {"EXIT",         0},
+    {"FIND",         1},
+    {"GO",           0},
+    {"HELP",         0},
+    {"?",            0},
+    {"HISTORY",      0},
+    {"!",            1},
+    {"!!",           0},
+    {"INFORMATION",  0},
+    {"INTEGRITY",    0},
+    {"INTO",         0},
+    {"LEVEL",        0},
+    {"LIST",         0},
+    {"LOAD",         1},
+    {"LOCALS",       0},
+    {"LOCKS",        0},
+    {"METHODS",      0},
+    {"NAMESPACE",    0},
+    {"NOTIFY",       2},
+    {"OBJECT",       1},
+    {"OPEN",         1},
+    {"OWNER",        1},
+    {"PREFIX",       0},
+    {"QUIT",         0},
+    {"REFERENCES",   1},
+    {"RESOURCES",    1},
+    {"RESULTS",      0},
+    {"SET",          3},
+    {"STATS",        0},
+    {"STOP",         0},
+    {"TABLES",       0},
+    {"TERMINATE",    0},
+    {"THREADS",      3},
+    {"TREE",         0},
+    {"UNLOAD",       1},
+    {NULL,           0}
+};
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDbDisplayHelp
+ *
+ * PARAMETERS:  HelpType        - Subcommand (optional)
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Print a usage message.
+ *
+ ******************************************************************************/
+
+void
+AcpiDbDisplayHelp (
+    NATIVE_CHAR             *HelpType)
+{
+
+
+    /* No parameter, just give the overview */
+
+    if (!HelpType)
+    {
+        AcpiOsPrintf ("ACPI CA Debugger Commands\n\n");
+        AcpiOsPrintf ("The following classes of commands are available.  Help is available for\n");
+        AcpiOsPrintf ("each class by entering \"Help <ClassName>\"\n\n");
+        AcpiOsPrintf ("    [GENERAL]       General-Purpose Commands\n");
+        AcpiOsPrintf ("    [NAMESPACE]     Namespace Access Commands\n");
+        AcpiOsPrintf ("    [METHOD]        Control Method Execution Commands\n");
+        AcpiOsPrintf ("    [FILE]          File I/O Commands\n");
+        return;
+
+    }
+
+    /*
+     * Parameter is the command class
+     *
+     * The idea here is to keep each class of commands smaller than a screenful
+     */
+    switch (HelpType[0])
+    {
+    case 'G':
+        AcpiOsPrintf ("\nGeneral-Purpose Commands\n\n");
+        AcpiOsPrintf ("Allocations                         Display list of current memory allocations\n");
+        AcpiOsPrintf ("Dump <Address>|<Namepath>\n");
+        AcpiOsPrintf ("     [Byte|Word|Dword|Qword]        Display ACPI objects or memory\n");
+        AcpiOsPrintf ("EnableAcpi                          Enable ACPI (hardware) mode\n");
+        AcpiOsPrintf ("Help                                This help screen\n");
+        AcpiOsPrintf ("History                             Display command history buffer\n");
+        AcpiOsPrintf ("Level [<DebugLevel>] [console]      Get/Set debug level for file or console\n");
+        AcpiOsPrintf ("Locks                               Current status of internal mutexes\n");
+        AcpiOsPrintf ("Quit or Exit                        Exit this command\n");
+        AcpiOsPrintf ("Stats [Allocations|Memory|Misc\n");
+        AcpiOsPrintf ("       |Objects|Tables]             Display namespace and memory statistics\n");
+        AcpiOsPrintf ("Tables                              Display info about loaded ACPI tables\n");
+        AcpiOsPrintf ("Unload <TableSig> [Instance]        Unload an ACPI table\n");
+        AcpiOsPrintf ("! <CommandNumber>                   Execute command from history buffer\n");
+        AcpiOsPrintf ("!!                                  Execute last command again\n");
+        return;
+
+    case 'N':
+        AcpiOsPrintf ("\nNamespace Access Commands\n\n");
+        AcpiOsPrintf ("Debug <Namepath> [Arguments]        Single Step a control method\n");
+        AcpiOsPrintf ("Event <F|G> <Value>                 Generate AcpiEvent (Fixed/GPE)\n");
+        AcpiOsPrintf ("Execute <Namepath> [Arguments]      Execute control method\n");
+        AcpiOsPrintf ("Find <Name>   (? is wildcard)       Find ACPI name(s) with wildcards\n");
+        AcpiOsPrintf ("Method                              Display list of loaded control methods\n");
+        AcpiOsPrintf ("Namespace [<Addr>|<Path>] [Depth]   Display loaded namespace tree/subtree\n");
+        AcpiOsPrintf ("Notify <NamePath> <Value>           Send a notification\n");
+        AcpiOsPrintf ("Objects <ObjectType>                Display all objects of the given type\n");
+        AcpiOsPrintf ("Owner <OwnerId> [Depth]             Display loaded namespace by object owner\n");
+        AcpiOsPrintf ("Prefix [<NamePath>]                 Set or Get current execution prefix\n");
+        AcpiOsPrintf ("References <Addr>                   Find all references to object at addr\n");
+        AcpiOsPrintf ("Resources xxx                       Get and display resources\n");
+        AcpiOsPrintf ("Terminate                           Delete namespace and all internal objects\n");
+        AcpiOsPrintf ("Thread <Threads><Loops><NamePath>   Spawn threads to execute method(s)\n");
+        return;
+
+    case 'M':
+        AcpiOsPrintf ("\nControl Method Execution Commands\n\n");
+        AcpiOsPrintf ("Arguments (or Args)                 Display method arguments\n");
+        AcpiOsPrintf ("Breakpoint <AmlOffset>              Set an AML execution breakpoint\n");
+        AcpiOsPrintf ("Call                                Run to next control method invocation\n");
+        AcpiOsPrintf ("Go                                  Allow method to run to completion\n");
+        AcpiOsPrintf ("Information                         Display info about the current method\n");
+        AcpiOsPrintf ("Into                                Step into (not over) a method call\n");
+        AcpiOsPrintf ("List [# of Aml Opcodes]             Display method ASL statements\n");
+        AcpiOsPrintf ("Locals                              Display method local variables\n");
+        AcpiOsPrintf ("Results                             Display method result stack\n");
+        AcpiOsPrintf ("Set <A|L> <#> <Value>               Set method data (Arguments/Locals)\n");
+        AcpiOsPrintf ("Stop                                Terminate control method\n");
+        AcpiOsPrintf ("Tree                                Display control method calling tree\n");
+        AcpiOsPrintf ("<Enter>                             Single step next AML opcode (over calls)\n");
+        return;
+
+    case 'F':
+        AcpiOsPrintf ("\nFile I/O Commands\n\n");
+        AcpiOsPrintf ("Close                               Close debug output file\n");
+        AcpiOsPrintf ("Open <Output Filename>              Open a file for debug output\n");
+        AcpiOsPrintf ("Load <Input Filename>               Load ACPI table from a file\n");
+        return;
+
+    default:
+        AcpiOsPrintf ("Unrecognized Command Class: %s\n", HelpType);
+        return;
+    }
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDbGetNextToken
+ *
+ * PARAMETERS:  String          - Command buffer
+ *              Next            - Return value, end of next token
+ *
+ * RETURN:      Pointer to the start of the next token.
+ *
+ * DESCRIPTION: Command line parsing.  Get the next token on the command line
+ *
+ ******************************************************************************/
+
+NATIVE_CHAR *
+AcpiDbGetNextToken (
+    NATIVE_CHAR             *String,
+    NATIVE_CHAR             **Next)
+{
+    NATIVE_CHAR             *Start;
+
+
+    /* At end of buffer? */
+
+    if (!String || !(*String))
+    {
+        return (NULL);
+    }
+
+    /* Get rid of any spaces at the beginning */
+
+    if (*String == ' ')
+    {
+        while (*String && (*String == ' '))
+        {
+            String++;
+        }
+
+        if (!(*String))
+        {
+            return (NULL);
+        }
+    }
+
+    Start = String;
+
+    /* Find end of token */
+
+    while (*String && (*String != ' '))
+    {
+        String++;
+    }
+
+    if (!(*String))
+    {
+        *Next = NULL;
+    }
+    else
+    {
+        *String = 0;
+        *Next = String + 1;
+    }
+
+    return (Start);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDbGetLine
+ *
+ * PARAMETERS:  InputBuffer         - Command line buffer
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Get the next command line from the user.  Gets entire line
+ *              up to the next newline
+ *
+ ******************************************************************************/
+
+UINT32
+AcpiDbGetLine (
+    NATIVE_CHAR             *InputBuffer)
+{
+    UINT32                  i;
+    UINT32                  Count;
+    NATIVE_CHAR             *Next;
+    NATIVE_CHAR             *This;
+
+
+    ACPI_STRCPY (AcpiGbl_DbParsedBuf, InputBuffer);
+    ACPI_STRUPR (AcpiGbl_DbParsedBuf);
+
+    This = AcpiGbl_DbParsedBuf;
+    for (i = 0; i < ACPI_DEBUGGER_MAX_ARGS; i++)
+    {
+        AcpiGbl_DbArgs[i] = AcpiDbGetNextToken (This, &Next);
+        if (!AcpiGbl_DbArgs[i])
+        {
+            break;
+        }
+
+        This = Next;
+    }
+
+    /* Uppercase the actual command */
+
+    if (AcpiGbl_DbArgs[0])
+    {
+        ACPI_STRUPR (AcpiGbl_DbArgs[0]);
+    }
+
+    Count = i;
+    if (Count)
+    {
+        Count--;  /* Number of args only */
+    }
+
+    return (Count);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDbMatchCommand
+ *
+ * PARAMETERS:  UserCommand             - User command line
+ *
+ * RETURN:      Index into command array, -1 if not found
+ *
+ * DESCRIPTION: Search command array for a command match
+ *
+ ******************************************************************************/
+
+UINT32
+AcpiDbMatchCommand (
+    NATIVE_CHAR             *UserCommand)
+{
+    UINT32                  i;
+
+
+    if (!UserCommand || UserCommand[0] == 0)
+    {
+        return (CMD_NULL);
+    }
+
+    for (i = CMD_FIRST_VALID; AcpiGbl_DbCommands[i].Name; i++)
+    {
+        if (ACPI_STRSTR (AcpiGbl_DbCommands[i].Name, UserCommand) ==
+                         AcpiGbl_DbCommands[i].Name)
+        {
+            return (i);
+        }
+    }
+
+    /* Command not recognized */
+
+    return (CMD_NOT_FOUND);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDbCommandDispatch
+ *
+ * PARAMETERS:  InputBuffer         - Command line buffer
+ *              WalkState           - Current walk
+ *              Op                  - Current (executing) parse op
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Command dispatcher.  Called from two places:
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiDbCommandDispatch (
+    NATIVE_CHAR             *InputBuffer,
+    ACPI_WALK_STATE         *WalkState,
+    ACPI_PARSE_OBJECT       *Op)
+{
+    UINT32                  Temp;
+    UINT32                  CommandIndex;
+    UINT32                  ParamCount;
+    NATIVE_CHAR             *CommandLine;
+    ACPI_STATUS             Status = AE_CTRL_TRUE;
+
+
+    /* If AcpiTerminate has been called, terminate this thread */
+
+    if (AcpiGbl_DbTerminateThreads)
+    {
+        return (AE_CTRL_TERMINATE);
+    }
+
+    ParamCount = AcpiDbGetLine (InputBuffer);
+    CommandIndex = AcpiDbMatchCommand (AcpiGbl_DbArgs[0]);
+    Temp = 0;
+
+    /* Verify that we have the minimum number of params */
+
+    if (ParamCount < AcpiGbl_DbCommands[CommandIndex].MinArgs)
+    {
+        AcpiOsPrintf ("%d parameters entered, [%s] requires %d parameters\n",
+                        ParamCount, AcpiGbl_DbCommands[CommandIndex].Name, AcpiGbl_DbCommands[CommandIndex].MinArgs);
+        return (AE_CTRL_TRUE);
+    }
+
+    /* Decode and dispatch the command */
+
+    switch (CommandIndex)
+    {
+    case CMD_NULL:
+        if (Op)
+        {
+            return (AE_OK);
+        }
+        break;
+
+    case CMD_ALLOCATIONS:
+
+#ifdef ACPI_DBG_TRACK_ALLOCATIONS
+        AcpiUtDumpAllocations ((UINT32) -1, NULL);
+#endif
+        break;
+
+    case CMD_ARGS:
+    case CMD_ARGUMENTS:
+        AcpiDbDisplayArguments ();
+        break;
+
+    case CMD_BREAKPOINT:
+        AcpiDbSetMethodBreakpoint (AcpiGbl_DbArgs[1], WalkState, Op);
+        break;
+
+    case CMD_CALL:
+        AcpiDbSetMethodCallBreakpoint (Op);
+        Status = AE_OK;
+        break;
+
+    case CMD_CLOSE:
+        AcpiDbCloseDebugFile ();
+        break;
+
+    case CMD_DEBUG:
+        AcpiDbExecute (AcpiGbl_DbArgs[1], &AcpiGbl_DbArgs[2], EX_SINGLE_STEP);
+        break;
+
+    case CMD_DUMP:
+        AcpiDbDecodeAndDisplayObject (AcpiGbl_DbArgs[1], AcpiGbl_DbArgs[2]);
+        break;
+
+    case CMD_ENABLEACPI:
+        Status = AcpiEnable();
+        if (ACPI_FAILURE(Status))
+        {
+            AcpiOsPrintf("AcpiEnable failed (Status=%X)\n", Status);
+            return (Status);
+        }
+        break;
+
+    case CMD_EVENT:
+        AcpiOsPrintf ("Event command not implemented\n");
+        break;
+
+    case CMD_EXECUTE:
+        AcpiDbExecute (AcpiGbl_DbArgs[1], &AcpiGbl_DbArgs[2], EX_NO_SINGLE_STEP);
+        break;
+
+    case CMD_FIND:
+        Status = AcpiDbFindNameInNamespace (AcpiGbl_DbArgs[1]);
+        break;
+
+    case CMD_GO:
+        AcpiGbl_CmSingleStep = FALSE;
+        return (AE_OK);
+
+    case CMD_HELP:
+    case CMD_HELP2:
+        AcpiDbDisplayHelp (AcpiGbl_DbArgs[1]);
+        break;
+
+    case CMD_HISTORY:
+        AcpiDbDisplayHistory ();
+        break;
+
+    case CMD_HISTORY_EXE:
+        CommandLine = AcpiDbGetFromHistory (AcpiGbl_DbArgs[1]);
+        if (!CommandLine)
+        {
+            return (AE_CTRL_TRUE);
+        }
+
+        Status = AcpiDbCommandDispatch (CommandLine, WalkState, Op);
+        if (ACPI_SUCCESS (Status))
+        {
+            Status = AE_CTRL_TRUE;
+        }
+        return (Status);
+
+    case CMD_HISTORY_LAST:
+        CommandLine = AcpiDbGetFromHistory (NULL);
+        if (!CommandLine)
+        {
+            return (AE_CTRL_TRUE);
+        }
+
+        Status = AcpiDbCommandDispatch (CommandLine, WalkState, Op);
+        if (ACPI_SUCCESS (Status))
+        {
+            Status = AE_CTRL_TRUE;
+        }
+        return (Status);
+
+    case CMD_INFORMATION:
+        AcpiDbDisplayMethodInfo (Op);
+        break;
+
+    case CMD_INTEGRITY:
+        AcpiDbCheckIntegrity ();
+        break;
+
+    case CMD_INTO:
+        if (Op)
+        {
+            AcpiGbl_CmSingleStep = TRUE;
+            return (AE_OK);
+        }
+        break;
+
+    case CMD_LEVEL:
+        if (ParamCount == 0)
+        {
+            AcpiOsPrintf ("Current debug level for file output is:    %8.8lX\n", AcpiGbl_DbDebugLevel);
+            AcpiOsPrintf ("Current debug level for console output is: %8.8lX\n", AcpiGbl_DbConsoleDebugLevel);
+        }
+        else if (ParamCount == 2)
+        {
+            Temp = AcpiGbl_DbConsoleDebugLevel;
+            AcpiGbl_DbConsoleDebugLevel = ACPI_STRTOUL (AcpiGbl_DbArgs[1], NULL, 16);
+            AcpiOsPrintf ("Debug Level for console output was %8.8lX, now %8.8lX\n", Temp, AcpiGbl_DbConsoleDebugLevel);
+        }
+        else
+        {
+            Temp = AcpiGbl_DbDebugLevel;
+            AcpiGbl_DbDebugLevel = ACPI_STRTOUL (AcpiGbl_DbArgs[1], NULL, 16);
+            AcpiOsPrintf ("Debug Level for file output was %8.8lX, now %8.8lX\n", Temp, AcpiGbl_DbDebugLevel);
+        }
+        break;
+
+    case CMD_LIST:
+        AcpiDbDisassembleAml (AcpiGbl_DbArgs[1], Op);
+        break;
+
+    case CMD_LOAD:
+        Status = AcpiDbLoadAcpiTable (AcpiGbl_DbArgs[1]);
+        if (ACPI_FAILURE (Status))
+        {
+            return (Status);
+        }
+        break;
+
+    case CMD_LOCKS:
+        AcpiDbDisplayLocks ();
+        break;
+
+    case CMD_LOCALS:
+        AcpiDbDisplayLocals ();
+        break;
+
+    case CMD_METHODS:
+        Status = AcpiDbDisplayObjects ("METHOD", AcpiGbl_DbArgs[1]);
+        break;
+
+    case CMD_NAMESPACE:
+        AcpiDbDumpNamespace (AcpiGbl_DbArgs[1], AcpiGbl_DbArgs[2]);
+        break;
+
+    case CMD_NOTIFY:
+        Temp = ACPI_STRTOUL (AcpiGbl_DbArgs[2], NULL, 0);
+        AcpiDbSendNotify (AcpiGbl_DbArgs[1], Temp);
+        break;
+
+    case CMD_OBJECT:
+        ACPI_STRUPR (AcpiGbl_DbArgs[1]);
+        Status = AcpiDbDisplayObjects (AcpiGbl_DbArgs[1], AcpiGbl_DbArgs[2]);
+        break;
+
+    case CMD_OPEN:
+        AcpiDbOpenDebugFile (AcpiGbl_DbArgs[1]);
+        break;
+
+    case CMD_OWNER:
+        AcpiDbDumpNamespaceByOwner (AcpiGbl_DbArgs[1], AcpiGbl_DbArgs[2]);
+        break;
+
+    case CMD_PREFIX:
+        AcpiDbSetScope (AcpiGbl_DbArgs[1]);
+        break;
+
+    case CMD_REFERENCES:
+        AcpiDbFindReferences (AcpiGbl_DbArgs[1]);
+        break;
+
+    case CMD_RESOURCES:
+        AcpiDbDisplayResources (AcpiGbl_DbArgs[1]);
+        break;
+
+    case CMD_RESULTS:
+        AcpiDbDisplayResults ();
+        break;
+
+    case CMD_SET:
+        AcpiDbSetMethodData (AcpiGbl_DbArgs[1], AcpiGbl_DbArgs[2], AcpiGbl_DbArgs[3]);
+        break;
+
+    case CMD_STATS:
+        Status = AcpiDbDisplayStatistics (AcpiGbl_DbArgs[1]);
+        break;
+
+    case CMD_STOP:
+        return (AE_NOT_IMPLEMENTED);
+
+    case CMD_TABLES:
+        AcpiDbDisplayTableInfo (AcpiGbl_DbArgs[1]);
+        break;
+
+    case CMD_TERMINATE:
+        AcpiDbSetOutputDestination (ACPI_DB_REDIRECTABLE_OUTPUT);
+        AcpiUtSubsystemShutdown ();
+
+        /* TBD: [Restructure] Need some way to re-initialize without re-creating the semaphores! */
+
+        /*  AcpiInitialize (NULL);  */
+        break;
+
+    case CMD_THREADS:
+        AcpiDbCreateExecutionThreads (AcpiGbl_DbArgs[1], AcpiGbl_DbArgs[2], AcpiGbl_DbArgs[3]);
+        break;
+
+    case CMD_TREE:
+        AcpiDbDisplayCallingTree ();
+        break;
+
+    case CMD_UNLOAD:
+        AcpiDbUnloadAcpiTable (AcpiGbl_DbArgs[1], AcpiGbl_DbArgs[2]);
+        break;
+
+    case CMD_EXIT:
+    case CMD_QUIT:
+        if (Op)
+        {
+            AcpiOsPrintf ("Method execution terminated\n");
+            return (AE_CTRL_TERMINATE);
+        }
+
+        if (!AcpiGbl_DbOutputToFile)
+        {
+            AcpiDbgLevel = DEBUG_DEFAULT;
+        }
+
+        /* Shutdown */
+
+        /* AcpiUtSubsystemShutdown (); */
+        AcpiDbCloseDebugFile ();
+
+        AcpiGbl_DbTerminateThreads = TRUE;
+
+        return (AE_CTRL_TERMINATE);
+
+    case CMD_NOT_FOUND:
+    default:
+        AcpiOsPrintf ("Unknown Command\n");
+        return (AE_CTRL_TRUE);
+    }
+
+
+    /* Add all commands that come here to the history buffer */
+
+    AcpiDbAddToHistory (InputBuffer);
+    return (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDbExecuteThread
+ *
+ * PARAMETERS:  Context         - Not used
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Debugger execute thread.  Waits for a command line, then
+ *              simply dispatches it.
+ *
+ ******************************************************************************/
+
+void ACPI_SYSTEM_XFACE
+AcpiDbExecuteThread (
+    void                    *Context)
+{
+    ACPI_STATUS             Status = AE_OK;
+    ACPI_STATUS             MStatus;
+
+
+    while (Status != AE_CTRL_TERMINATE)
+    {
+        AcpiGbl_MethodExecuting = FALSE;
+        AcpiGbl_StepToNextCall = FALSE;
+
+        MStatus = AcpiUtAcquireMutex (ACPI_MTX_DEBUG_CMD_READY);
+        if (ACPI_FAILURE (MStatus))
+        {
+            return;
+        }
+
+        Status = AcpiDbCommandDispatch (AcpiGbl_DbLineBuf, NULL, NULL);
+
+        MStatus = AcpiUtReleaseMutex (ACPI_MTX_DEBUG_CMD_COMPLETE);
+        if (ACPI_FAILURE (MStatus))
+        {
+            return;
+        }
+    }
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDbSingleThread
+ *
+ * PARAMETERS:  None
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Debugger execute thread.  Waits for a command line, then
+ *              simply dispatches it.
+ *
+ ******************************************************************************/
+
+void
+AcpiDbSingleThread (
+    void)
+{
+
+    AcpiGbl_MethodExecuting = FALSE;
+    AcpiGbl_StepToNextCall = FALSE;
+
+    (void) AcpiDbCommandDispatch (AcpiGbl_DbLineBuf, NULL, NULL);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDbUserCommands
+ *
+ * PARAMETERS:  Prompt              - User prompt (depends on mode)
+ *              Op                  - Current executing parse op
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Command line execution for the AML debugger.  Commands are
+ *              matched and dispatched here.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiDbUserCommands (
+    NATIVE_CHAR             Prompt,
+    ACPI_PARSE_OBJECT       *Op)
+{
+    ACPI_STATUS             Status = AE_OK;
+
+
+    /* TBD: [Restructure] Need a separate command line buffer for step mode */
+
+    while (!AcpiGbl_DbTerminateThreads)
+    {
+        /* Force output to console until a command is entered */
+
+        AcpiDbSetOutputDestination (ACPI_DB_CONSOLE_OUTPUT);
+
+        /* Different prompt if method is executing */
+
+        if (!AcpiGbl_MethodExecuting)
+        {
+            AcpiOsPrintf ("%1c ", ACPI_DEBUGGER_COMMAND_PROMPT);
+        }
+        else
+        {
+            AcpiOsPrintf ("%1c ", ACPI_DEBUGGER_EXECUTE_PROMPT);
+        }
+
+        /* Get the user input line */
+
+        (void) AcpiOsGetLine (AcpiGbl_DbLineBuf);
+
+        /* Check for single or multithreaded debug */
+
+        if (AcpiGbl_DebuggerConfiguration & DEBUGGER_MULTI_THREADED)
+        {
+            /*
+             * Signal the debug thread that we have a command to execute,
+             * and wait for the command to complete.
+             */
+            Status = AcpiUtReleaseMutex (ACPI_MTX_DEBUG_CMD_READY);
+            if (ACPI_FAILURE (Status))
+            {
+                return (Status);
+            }
+
+            Status = AcpiUtAcquireMutex (ACPI_MTX_DEBUG_CMD_COMPLETE);
+            if (ACPI_FAILURE (Status))
+            {
+                return (Status);
+            }
+        }
+        else
+        {
+            /* Just call to the command line interpreter */
+
+            AcpiDbSingleThread ();
+        }
+    }
+
+    /*
+     * Only this thread (the original thread) should actually terminate the subsystem,
+     * because all the semaphores are deleted during termination
+     */
+    Status = AcpiTerminate ();
+    return (Status);
+}
+
+
+#endif  /* ACPI_DEBUGGER */
+
diff --git a/sys/contrib/dev/acpica/dbstats.c b/sys/contrib/dev/acpica/dbstats.c
new file mode 100644
index 0000000..37de8fb
--- /dev/null
+++ b/sys/contrib/dev/acpica/dbstats.c
@@ -0,0 +1,558 @@
+/*******************************************************************************
+ *
+ * Module Name: dbstats - Generation and display of ACPI table statistics
+ *              $Revision: 64 $
+ *
+ ******************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+
+#include "acpi.h"
+#include "acdebug.h"
+#include "acnamesp.h"
+
+#ifdef ACPI_DEBUGGER
+
+#define _COMPONENT          ACPI_CA_DEBUGGER
+        ACPI_MODULE_NAME    ("dbstats")
+
+/*
+ * Statistics subcommands
+ */
+static ARGUMENT_INFO        AcpiDbStatTypes [] =
+{
+    {"ALLOCATIONS"},
+    {"OBJECTS"},
+    {"MEMORY"},
+    {"MISC"},
+    {"TABLES"},
+    {"SIZES"},
+    {"STACK"},
+    {NULL}           /* Must be null terminated */
+};
+
+#define CMD_STAT_ALLOCATIONS     0
+#define CMD_STAT_OBJECTS         1
+#define CMD_STAT_MEMORY          2
+#define CMD_STAT_MISC            3
+#define CMD_STAT_TABLES          4
+#define CMD_STAT_SIZES           5
+#define CMD_STAT_STACK           6
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDbEnumerateObject
+ *
+ * PARAMETERS:  ObjDesc             - Object to be counted
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Add this object to the global counts, by object type.
+ *              Limited recursion handles subobjects and packages, and this
+ *              is probably acceptable within the AML debugger only.
+ *
+ ******************************************************************************/
+
+void
+AcpiDbEnumerateObject (
+    ACPI_OPERAND_OBJECT     *ObjDesc)
+{
+    UINT32                  i;
+
+
+    if (!ObjDesc)
+    {
+        return;
+    }
+
+
+    /* Enumerate this object first */
+
+    AcpiGbl_NumObjects++;
+
+    if (ACPI_GET_OBJECT_TYPE (ObjDesc) > ACPI_TYPE_NS_NODE_MAX)
+    {
+        AcpiGbl_ObjTypeCountMisc++;
+    }
+    else
+    {
+        AcpiGbl_ObjTypeCount [ACPI_GET_OBJECT_TYPE (ObjDesc)]++;
+    }
+
+    /* Count the sub-objects */
+
+    switch (ACPI_GET_OBJECT_TYPE (ObjDesc))
+    {
+    case ACPI_TYPE_PACKAGE:
+
+        for (i = 0; i < ObjDesc->Package.Count; i++)
+        {
+            AcpiDbEnumerateObject (ObjDesc->Package.Elements[i]);
+        }
+        break;
+
+    case ACPI_TYPE_DEVICE:
+
+        AcpiDbEnumerateObject (ObjDesc->Device.SysHandler);
+        AcpiDbEnumerateObject (ObjDesc->Device.DrvHandler);
+        AcpiDbEnumerateObject (ObjDesc->Device.AddrHandler);
+        break;
+
+    case ACPI_TYPE_BUFFER_FIELD:
+
+        if (AcpiNsGetSecondaryObject (ObjDesc))
+        {
+            AcpiGbl_ObjTypeCount [ACPI_TYPE_BUFFER_FIELD]++;
+        }
+        break;
+
+    case ACPI_TYPE_REGION:
+
+        AcpiGbl_ObjTypeCount [ACPI_TYPE_LOCAL_REGION_FIELD ]++;
+        AcpiDbEnumerateObject (ObjDesc->Region.AddrHandler);
+        break;
+
+    case ACPI_TYPE_POWER:
+
+        AcpiDbEnumerateObject (ObjDesc->PowerResource.SysHandler);
+        AcpiDbEnumerateObject (ObjDesc->PowerResource.DrvHandler);
+        break;
+
+    case ACPI_TYPE_PROCESSOR:
+
+        AcpiDbEnumerateObject (ObjDesc->Processor.SysHandler);
+        AcpiDbEnumerateObject (ObjDesc->Processor.DrvHandler);
+        AcpiDbEnumerateObject (ObjDesc->Processor.AddrHandler);
+        break;
+
+    case ACPI_TYPE_THERMAL:
+
+        AcpiDbEnumerateObject (ObjDesc->ThermalZone.SysHandler);
+        AcpiDbEnumerateObject (ObjDesc->ThermalZone.DrvHandler);
+        AcpiDbEnumerateObject (ObjDesc->ThermalZone.AddrHandler);
+        break;
+
+    default:
+        break;
+    }
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDbClassifyOneObject
+ *
+ * PARAMETERS:  Callback for WalkNamespace
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Enumerate both the object descriptor (including subobjects) and
+ *              the parent namespace node.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiDbClassifyOneObject (
+    ACPI_HANDLE             ObjHandle,
+    UINT32                  NestingLevel,
+    void                    *Context,
+    void                    **ReturnValue)
+{
+    ACPI_NAMESPACE_NODE     *Node;
+    ACPI_OPERAND_OBJECT     *ObjDesc;
+    UINT32                  Type;
+
+
+    AcpiGbl_NumNodes++;
+
+    Node = (ACPI_NAMESPACE_NODE *) ObjHandle;
+    ObjDesc = AcpiNsGetAttachedObject (Node);
+
+    AcpiDbEnumerateObject (ObjDesc);
+
+    Type = Node->Type;
+    if (Type > ACPI_TYPE_NS_NODE_MAX)
+    {
+        AcpiGbl_NodeTypeCountMisc++;
+    }
+
+    else
+    {
+        AcpiGbl_NodeTypeCount [Type]++;
+    }
+
+    return AE_OK;
+
+
+    /* TBD: These need to be counted during the initial parsing phase */
+    /*
+    if (AcpiPsIsNamedOp (Op->Opcode))
+    {
+        NumNodes++;
+    }
+
+    if (IsMethod)
+    {
+        NumMethodElements++;
+    }
+
+    NumGrammarElements++;
+    Op = AcpiPsGetDepthNext (Root, Op);
+
+    SizeOfParseTree             = (NumGrammarElements - NumMethodElements) * (UINT32) sizeof (ACPI_PARSE_OBJECT);
+    SizeOfMethodTrees           = NumMethodElements * (UINT32) sizeof (ACPI_PARSE_OBJECT);
+    SizeOfNodeEntries           = NumNodes * (UINT32) sizeof (ACPI_NAMESPACE_NODE);
+    SizeOfAcpiObjects           = NumNodes * (UINT32) sizeof (ACPI_OPERAND_OBJECT);
+
+    */
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDbCountNamespaceObjects
+ *
+ * PARAMETERS:  None
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Count and classify the entire namespace, including all
+ *              namespace nodes and attached objects.
+ *
+ ******************************************************************************/
+
+void
+AcpiDbCountNamespaceObjects (
+    void)
+{
+    UINT32                  i;
+
+
+    AcpiGbl_NumNodes = 0;
+    AcpiGbl_NumObjects = 0;
+
+    AcpiGbl_ObjTypeCountMisc = 0;
+    for (i = 0; i < (ACPI_TYPE_NS_NODE_MAX -1); i++)
+    {
+        AcpiGbl_ObjTypeCount [i] = 0;
+        AcpiGbl_NodeTypeCount [i] = 0;
+    }
+
+    (void) AcpiNsWalkNamespace (ACPI_TYPE_ANY, ACPI_ROOT_OBJECT, ACPI_UINT32_MAX,
+                        FALSE, AcpiDbClassifyOneObject, NULL, NULL);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDbDisplayStatistics
+ *
+ * PARAMETERS:  TypeArg         - Subcommand
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Display various statistics
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiDbDisplayStatistics (
+    NATIVE_CHAR             *TypeArg)
+{
+    UINT32                  i;
+    UINT32                  Type;
+    UINT32                  Size;
+#ifdef ACPI_DBG_TRACK_ALLOCATIONS
+    UINT32                  Outstanding;
+#endif
+
+
+    if (!AcpiGbl_DSDT)
+    {
+        AcpiOsPrintf ("*** Warning:  There is no DSDT loaded\n");
+    }
+
+    if (!TypeArg)
+    {
+        AcpiOsPrintf ("The following subcommands are available:\n    ALLOCATIONS, OBJECTS, MEMORY, MISC, SIZES, TABLES\n");
+        return (AE_OK);
+    }
+
+    ACPI_STRUPR (TypeArg);
+    Type = AcpiDbMatchArgument (TypeArg, AcpiDbStatTypes);
+    if (Type == (UINT32) -1)
+    {
+        AcpiOsPrintf ("Invalid or unsupported argument\n");
+        return (AE_OK);
+    }
+
+
+    switch (Type)
+    {
+    case CMD_STAT_ALLOCATIONS:
+#ifdef ACPI_DBG_TRACK_ALLOCATIONS
+        AcpiUtDumpAllocationInfo ();
+#endif
+        break;
+
+    case CMD_STAT_TABLES:
+
+        AcpiOsPrintf ("ACPI Table Information:\n\n");
+        if (AcpiGbl_DSDT)
+        {
+            AcpiOsPrintf ("DSDT Length:................% 7ld (%X)\n", AcpiGbl_DSDT->Length, AcpiGbl_DSDT->Length);
+        }
+        break;
+
+    case CMD_STAT_OBJECTS:
+
+        AcpiDbCountNamespaceObjects ();
+
+        AcpiOsPrintf ("\nObjects defined in the current namespace:\n\n");
+
+        AcpiOsPrintf ("%16.16s %10.10s %10.10s\n", "ACPI_TYPE", "NODES", "OBJECTS");
+
+        for (i = 0; i < ACPI_TYPE_NS_NODE_MAX; i++)
+        {
+            AcpiOsPrintf ("%16.16s % 10ld% 10ld\n", AcpiUtGetTypeName (i),
+                AcpiGbl_NodeTypeCount [i], AcpiGbl_ObjTypeCount [i]);
+        }
+        AcpiOsPrintf ("%16.16s % 10ld% 10ld\n", "Misc/Unknown",
+            AcpiGbl_NodeTypeCountMisc, AcpiGbl_ObjTypeCountMisc);
+
+        AcpiOsPrintf ("%16.16s % 10ld% 10ld\n", "TOTALS:",
+            AcpiGbl_NumNodes, AcpiGbl_NumObjects);
+        break;
+
+    case CMD_STAT_MEMORY:
+
+#ifdef ACPI_DBG_TRACK_ALLOCATIONS
+        AcpiOsPrintf ("\n----Object and Cache Statistics---------------------------------------------\n");
+
+        for (i = 0; i < ACPI_NUM_MEM_LISTS; i++)
+        {
+            AcpiOsPrintf ("\n%s\n", AcpiGbl_MemoryLists[i].ListName);
+
+            if (AcpiGbl_MemoryLists[i].MaxCacheDepth > 0)
+            {
+                AcpiOsPrintf ("    Cache: [Depth Max Avail Size]         % 7d % 7d % 7d % 7d B\n",
+                        AcpiGbl_MemoryLists[i].CacheDepth,
+                        AcpiGbl_MemoryLists[i].MaxCacheDepth,
+                        AcpiGbl_MemoryLists[i].MaxCacheDepth - AcpiGbl_MemoryLists[i].CacheDepth,
+                        (AcpiGbl_MemoryLists[i].CacheDepth * AcpiGbl_MemoryLists[i].ObjectSize));
+
+                AcpiOsPrintf ("    Cache: [Requests Hits Misses ObjSize] % 7d % 7d % 7d % 7d B\n",
+                        AcpiGbl_MemoryLists[i].CacheRequests,
+                        AcpiGbl_MemoryLists[i].CacheHits,
+                        AcpiGbl_MemoryLists[i].CacheRequests - AcpiGbl_MemoryLists[i].CacheHits,
+                        AcpiGbl_MemoryLists[i].ObjectSize);
+            }
+
+            Outstanding = AcpiGbl_MemoryLists[i].TotalAllocated -
+                            AcpiGbl_MemoryLists[i].TotalFreed -
+                            AcpiGbl_MemoryLists[i].CacheDepth;
+
+            if (AcpiGbl_MemoryLists[i].ObjectSize)
+            {
+                Size = ACPI_ROUND_UP_TO_1K (Outstanding * AcpiGbl_MemoryLists[i].ObjectSize);
+            }
+            else
+            {
+                Size = ACPI_ROUND_UP_TO_1K (AcpiGbl_MemoryLists[i].CurrentTotalSize);
+            }
+
+            AcpiOsPrintf ("    Mem:   [Alloc Free Outstanding Size]  % 7d % 7d % 7d % 7d Kb\n",
+                    AcpiGbl_MemoryLists[i].TotalAllocated,
+                    AcpiGbl_MemoryLists[i].TotalFreed,
+                    Outstanding, Size);
+        }
+#endif
+
+        break;
+
+    case CMD_STAT_MISC:
+
+        AcpiOsPrintf ("\nMiscellaneous Statistics:\n\n");
+        AcpiOsPrintf ("Calls to AcpiPsFind:..  ........% 7ld\n", AcpiGbl_PsFindCount);
+        AcpiOsPrintf ("Calls to AcpiNsLookup:..........% 7ld\n", AcpiGbl_NsLookupCount);
+
+        AcpiOsPrintf ("\n");
+
+        AcpiOsPrintf ("Mutex usage:\n\n");
+        for (i = 0; i < NUM_MTX; i++)
+        {
+            AcpiOsPrintf ("%-28s:       % 7ld\n", AcpiUtGetMutexName (i), AcpiGbl_AcpiMutexInfo[i].UseCount);
+        }
+        break;
+
+
+    case CMD_STAT_SIZES:
+
+        AcpiOsPrintf ("\nInternal object sizes:\n\n");
+
+        AcpiOsPrintf ("Common           %3d\n", sizeof (ACPI_OBJECT_COMMON));
+        AcpiOsPrintf ("Number           %3d\n", sizeof (ACPI_OBJECT_INTEGER));
+        AcpiOsPrintf ("String           %3d\n", sizeof (ACPI_OBJECT_STRING));
+        AcpiOsPrintf ("Buffer           %3d\n", sizeof (ACPI_OBJECT_BUFFER));
+        AcpiOsPrintf ("Package          %3d\n", sizeof (ACPI_OBJECT_PACKAGE));
+        AcpiOsPrintf ("BufferField      %3d\n", sizeof (ACPI_OBJECT_BUFFER_FIELD));
+        AcpiOsPrintf ("Device           %3d\n", sizeof (ACPI_OBJECT_DEVICE));
+        AcpiOsPrintf ("Event            %3d\n", sizeof (ACPI_OBJECT_EVENT));
+        AcpiOsPrintf ("Method           %3d\n", sizeof (ACPI_OBJECT_METHOD));
+        AcpiOsPrintf ("Mutex            %3d\n", sizeof (ACPI_OBJECT_MUTEX));
+        AcpiOsPrintf ("Region           %3d\n", sizeof (ACPI_OBJECT_REGION));
+        AcpiOsPrintf ("PowerResource    %3d\n", sizeof (ACPI_OBJECT_POWER_RESOURCE));
+        AcpiOsPrintf ("Processor        %3d\n", sizeof (ACPI_OBJECT_PROCESSOR));
+        AcpiOsPrintf ("ThermalZone      %3d\n", sizeof (ACPI_OBJECT_THERMAL_ZONE));
+        AcpiOsPrintf ("RegionField      %3d\n", sizeof (ACPI_OBJECT_REGION_FIELD));
+        AcpiOsPrintf ("BankField        %3d\n", sizeof (ACPI_OBJECT_BANK_FIELD));
+        AcpiOsPrintf ("IndexField       %3d\n", sizeof (ACPI_OBJECT_INDEX_FIELD));
+        AcpiOsPrintf ("Reference        %3d\n", sizeof (ACPI_OBJECT_REFERENCE));
+        AcpiOsPrintf ("NotifyHandler    %3d\n", sizeof (ACPI_OBJECT_NOTIFY_HANDLER));
+        AcpiOsPrintf ("AddrHandler      %3d\n", sizeof (ACPI_OBJECT_ADDR_HANDLER));
+        AcpiOsPrintf ("Extra            %3d\n", sizeof (ACPI_OBJECT_EXTRA));
+        AcpiOsPrintf ("Data             %3d\n", sizeof (ACPI_OBJECT_DATA));
+
+        AcpiOsPrintf ("\n");
+
+        AcpiOsPrintf ("ParseObject      %3d\n", sizeof (ACPI_PARSE_OBJ_COMMON));
+        AcpiOsPrintf ("ParseObjectNamed %3d\n", sizeof (ACPI_PARSE_OBJ_NAMED));
+        AcpiOsPrintf ("ParseObjectAsl   %3d\n", sizeof (ACPI_PARSE_OBJ_ASL));
+        AcpiOsPrintf ("OperandObject    %3d\n", sizeof (ACPI_OPERAND_OBJECT));
+        AcpiOsPrintf ("NamespaceNode    %3d\n", sizeof (ACPI_NAMESPACE_NODE));
+
+        break;
+
+
+    case CMD_STAT_STACK:
+#if defined(ACPI_DEBUG_OUTPUT)
+
+        Size = (UINT32) (AcpiGbl_EntryStackPointer - AcpiGbl_LowestStackPointer);
+
+        AcpiOsPrintf ("\nSubsystem Stack Usage:\n\n");
+        AcpiOsPrintf ("Entry Stack Pointer          %X\n", AcpiGbl_EntryStackPointer);
+        AcpiOsPrintf ("Lowest Stack Pointer         %X\n", AcpiGbl_LowestStackPointer);
+        AcpiOsPrintf ("Stack Use                    %X (%d)\n", Size, Size);
+        AcpiOsPrintf ("Deepest Procedure Nesting    %d\n", AcpiGbl_DeepestNesting);
+#endif
+        break;
+
+    default:
+        break;
+    }
+
+    AcpiOsPrintf ("\n");
+    return (AE_OK);
+}
+
+
+#endif /* ACPI_DEBUGGER  */
diff --git a/sys/contrib/dev/acpica/dbutils.c b/sys/contrib/dev/acpica/dbutils.c
new file mode 100644
index 0000000..cd4f435
--- /dev/null
+++ b/sys/contrib/dev/acpica/dbutils.c
@@ -0,0 +1,491 @@
+/*******************************************************************************
+ *
+ * Module Name: dbutils - AML debugger utilities
+ *              $Revision: 57 $
+ *
+ ******************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+
+#include "acpi.h"
+#include "acparser.h"
+#include "amlcode.h"
+#include "acnamesp.h"
+#include "acdebug.h"
+#include "acdispat.h"
+
+
+#ifdef ACPI_DEBUGGER
+
+#define _COMPONENT          ACPI_CA_DEBUGGER
+        ACPI_MODULE_NAME    ("dbutils")
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDbSetOutputDestination
+ *
+ * PARAMETERS:  OutputFlags         - Current flags word
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Set the current destination for debugger output.  Alos sets
+ *              the debug output level accordingly.
+ *
+ ******************************************************************************/
+
+void
+AcpiDbSetOutputDestination (
+    UINT32                  OutputFlags)
+{
+
+    AcpiGbl_DbOutputFlags = (UINT8) OutputFlags;
+
+    if ((OutputFlags & ACPI_DB_REDIRECTABLE_OUTPUT) && AcpiGbl_DbOutputToFile)
+    {
+        AcpiDbgLevel = AcpiGbl_DbDebugLevel;
+    }
+    else
+    {
+        AcpiDbgLevel = AcpiGbl_DbConsoleDebugLevel;
+    }
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDbDumpBuffer
+ *
+ * PARAMETERS:  Address             - Pointer to the buffer
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Print a portion of a buffer
+ *
+ ******************************************************************************/
+
+void
+AcpiDbDumpBuffer (
+    UINT32                  Address)
+{
+
+    AcpiOsPrintf ("\nLocation %X:\n", Address);
+
+    AcpiDbgLevel |= ACPI_LV_TABLES;
+    AcpiUtDumpBuffer (ACPI_TO_POINTER (Address), 64, DB_BYTE_DISPLAY, ACPI_UINT32_MAX);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDbDumpObject
+ *
+ * PARAMETERS:  ObjDesc         - External ACPI object to dump
+ *              Level           - Nesting level.
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Dump the contents of an ACPI external object
+ *
+ ******************************************************************************/
+
+void
+AcpiDbDumpObject (
+    ACPI_OBJECT             *ObjDesc,
+    UINT32                  Level)
+{
+    UINT32                  i;
+
+
+    if (!ObjDesc)
+    {
+        AcpiOsPrintf ("[Null Object]\n");
+        return;
+    }
+
+    for (i = 0; i < Level; i++)
+    {
+        AcpiOsPrintf ("  ");
+    }
+
+    switch (ObjDesc->Type)
+    {
+    case ACPI_TYPE_ANY:
+
+        AcpiOsPrintf ("[Object Reference] = %p\n", ObjDesc->Reference.Handle);
+        break;
+
+
+    case ACPI_TYPE_INTEGER:
+
+        AcpiOsPrintf ("[Integer] = %8.8X%8.8X\n",
+                    ACPI_HIDWORD (ObjDesc->Integer.Value),
+                    ACPI_LODWORD (ObjDesc->Integer.Value));
+        break;
+
+
+    case ACPI_TYPE_STRING:
+
+        AcpiOsPrintf ("[String]  Value: ");
+        for (i = 0; i < ObjDesc->String.Length; i++)
+        {
+            AcpiOsPrintf ("%c", ObjDesc->String.Pointer[i]);
+        }
+        AcpiOsPrintf ("\n");
+        break;
+
+
+    case ACPI_TYPE_BUFFER:
+
+        AcpiOsPrintf ("[Buffer] Length %.2X = ", ObjDesc->Buffer.Length);
+        AcpiUtDumpBuffer ((UINT8 *) ObjDesc->Buffer.Pointer, ObjDesc->Buffer.Length, DB_DWORD_DISPLAY, _COMPONENT);
+        break;
+
+
+    case ACPI_TYPE_PACKAGE:
+
+        AcpiOsPrintf ("[Package]  Contains %d Elements: \n", ObjDesc->Package.Count);
+
+        for (i = 0; i < ObjDesc->Package.Count; i++)
+        {
+            AcpiDbDumpObject (&ObjDesc->Package.Elements[i], Level+1);
+        }
+        break;
+
+
+    case ACPI_TYPE_LOCAL_REFERENCE:
+
+        AcpiOsPrintf ("[Object Reference] = %p\n", ObjDesc->Reference.Handle);
+        break;
+
+
+    case ACPI_TYPE_PROCESSOR:
+
+        AcpiOsPrintf ("[Processor]\n");
+        break;
+
+
+    case ACPI_TYPE_POWER:
+
+        AcpiOsPrintf ("[Power Resource]\n");
+        break;
+
+
+    default:
+
+        AcpiOsPrintf ("[Unknown Type] %X \n", ObjDesc->Type);
+        break;
+    }
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDbPrepNamestring
+ *
+ * PARAMETERS:  Name            - String to prepare
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Translate all forward slashes and dots to backslashes.
+ *
+ ******************************************************************************/
+
+void
+AcpiDbPrepNamestring (
+    NATIVE_CHAR             *Name)
+{
+
+
+    if (!Name)
+    {
+        return;
+    }
+
+    ACPI_STRUPR (Name);
+
+    /* Convert a leading forward slash to a backslash */
+
+    if (*Name == '/')
+    {
+        *Name = '\\';
+    }
+
+    /* Ignore a leading backslash, this is the root prefix */
+
+    if (*Name == '\\')
+    {
+        Name++;
+    }
+
+    /* Convert all slash path separators to dots */
+
+    while (*Name)
+    {
+        if ((*Name == '/') ||
+            (*Name == '\\'))
+        {
+            *Name = '.';
+        }
+
+        Name++;
+    }
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDbSecondPassParse
+ *
+ * PARAMETERS:  Root            - Root of the parse tree
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Second pass parse of the ACPI tables.  We need to wait until
+ *              second pass to parse the control methods
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiDbSecondPassParse (
+    ACPI_PARSE_OBJECT       *Root)
+{
+    ACPI_PARSE_OBJECT       *Op = Root;
+    ACPI_PARSE_OBJECT       *Method;
+    ACPI_PARSE_OBJECT       *SearchOp;
+    ACPI_PARSE_OBJECT       *StartOp;
+    ACPI_STATUS             Status = AE_OK;
+    UINT32                  BaseAmlOffset;
+    ACPI_WALK_STATE         *WalkState;
+
+
+    ACPI_FUNCTION_ENTRY ();
+
+
+    AcpiOsPrintf ("Pass two parse ....\n");
+
+    while (Op)
+    {
+        if (Op->Common.AmlOpcode == AML_METHOD_OP)
+        {
+            Method = Op;
+
+            /* Create a new walk state for the parse */
+
+            WalkState = AcpiDsCreateWalkState (TABLE_ID_DSDT,
+                                            NULL, NULL, NULL);
+            if (!WalkState)
+            {
+                return (AE_NO_MEMORY);
+            }
+
+            /* Init the Walk State */
+
+            WalkState->ParserState.Aml          =
+            WalkState->ParserState.AmlStart     = Method->Named.Data;
+            WalkState->ParserState.AmlEnd       =
+            WalkState->ParserState.PkgEnd       = Method->Named.Data + Method->Named.Length;
+            WalkState->ParserState.StartScope   = Op;
+
+            WalkState->DescendingCallback       = AcpiDsLoad1BeginOp;
+            WalkState->AscendingCallback        = AcpiDsLoad1EndOp;
+
+            /* Perform the AML parse */
+
+            Status = AcpiPsParseAml (WalkState);
+
+            BaseAmlOffset = (Method->Common.Value.Arg)->Common.AmlOffset + 1;
+            StartOp = (Method->Common.Value.Arg)->Common.Next;
+            SearchOp = StartOp;
+
+            while (SearchOp)
+            {
+                SearchOp->Common.AmlOffset += BaseAmlOffset;
+                SearchOp = AcpiPsGetDepthNext (StartOp, SearchOp);
+            }
+        }
+
+        if (Op->Common.AmlOpcode == AML_REGION_OP)
+        {
+            /* TBD: [Investigate] this isn't quite the right thing to do! */
+            /*
+             *
+             * Method = (ACPI_DEFERRED_OP *) Op;
+             * Status = AcpiPsParseAml (Op, Method->Body, Method->BodyLength);
+             */
+        }
+
+        if (ACPI_FAILURE (Status))
+        {
+            break;
+        }
+
+        Op = AcpiPsGetDepthNext (Root, Op);
+    }
+
+    return (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDbLocalNsLookup
+ *
+ * PARAMETERS:  Name            - Name to lookup
+ *
+ * RETURN:      Pointer to a namespace node
+ *
+ * DESCRIPTION: Lookup a name in the ACPI namespace
+ *
+ * Note: Currently begins search from the root.  Could be enhanced to use
+ * the current prefix (scope) node as the search beginning point.
+ *
+ ******************************************************************************/
+
+ACPI_NAMESPACE_NODE *
+AcpiDbLocalNsLookup (
+    NATIVE_CHAR             *Name)
+{
+    NATIVE_CHAR             *InternalPath;
+    ACPI_STATUS             Status;
+    ACPI_NAMESPACE_NODE     *Node = NULL;
+
+
+    AcpiDbPrepNamestring (Name);
+
+    /* Build an internal namestring */
+
+    Status = AcpiNsInternalizeName (Name, &InternalPath);
+    if (ACPI_FAILURE (Status))
+    {
+        AcpiOsPrintf ("Invalid namestring: %s\n", Name);
+        return (NULL);
+    }
+
+    /*
+     * Lookup the name.
+     * (Uses root node as the search starting point)
+     */
+    Status = AcpiNsLookup (NULL, InternalPath, ACPI_TYPE_ANY, ACPI_IMODE_EXECUTE,
+                                    ACPI_NS_NO_UPSEARCH | ACPI_NS_DONT_OPEN_SCOPE, NULL, &Node);
+    if (ACPI_FAILURE (Status))
+    {
+        AcpiOsPrintf ("Could not locate name: %s %s\n", Name, AcpiFormatException (Status));
+    }
+
+    ACPI_MEM_FREE (InternalPath);
+    return (Node);
+}
+
+
+#endif /* ACPI_DEBUGGER */
+
+
diff --git a/sys/contrib/dev/acpica/dbxface.c b/sys/contrib/dev/acpica/dbxface.c
new file mode 100644
index 0000000..a1636a4
--- /dev/null
+++ b/sys/contrib/dev/acpica/dbxface.c
@@ -0,0 +1,526 @@
+/*******************************************************************************
+ *
+ * Module Name: dbxface - AML Debugger external interfaces
+ *              $Revision: 65 $
+ *
+ ******************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+
+#include "acpi.h"
+#include "amlcode.h"
+#include "acdebug.h"
+#include "acdisasm.h"
+
+
+#ifdef ACPI_DEBUGGER
+
+#define _COMPONENT          ACPI_CA_DEBUGGER
+        ACPI_MODULE_NAME    ("dbxface")
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDbSingleStep
+ *
+ * PARAMETERS:  WalkState       - Current walk
+ *              Op              - Current executing op
+ *              OpcodeClass     - Class of the current AML Opcode
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Called just before execution of an AML opcode.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiDbSingleStep (
+    ACPI_WALK_STATE         *WalkState,
+    ACPI_PARSE_OBJECT       *Op,
+    UINT32                  OpcodeClass)
+{
+    ACPI_PARSE_OBJECT       *Next;
+    ACPI_STATUS             Status = AE_OK;
+    UINT32                  OriginalDebugLevel;
+    ACPI_PARSE_OBJECT       *DisplayOp;
+    ACPI_PARSE_OBJECT       *ParentOp;
+
+
+    ACPI_FUNCTION_ENTRY ();
+
+    /* Check for single-step breakpoint */
+
+    if (WalkState->MethodBreakpoint &&
+       (WalkState->MethodBreakpoint <= Op->Common.AmlOffset))
+    {
+        /* Check if the breakpoint has been reached or passed */
+        /* Hit the breakpoint, resume single step, reset breakpoint */
+
+        AcpiOsPrintf ("***Break*** at AML offset %X\n", Op->Common.AmlOffset);
+        AcpiGbl_CmSingleStep = TRUE;
+        AcpiGbl_StepToNextCall = FALSE;
+        WalkState->MethodBreakpoint = 0;
+    }
+
+    /* Check for user breakpoint (Must be on exact Aml offset) */
+
+    else if (WalkState->UserBreakpoint &&
+            (WalkState->UserBreakpoint == Op->Common.AmlOffset))
+    {
+        AcpiOsPrintf ("***UserBreakpoint*** at AML offset %X\n", Op->Common.AmlOffset);
+        AcpiGbl_CmSingleStep = TRUE;
+        AcpiGbl_StepToNextCall = FALSE;
+        WalkState->MethodBreakpoint = 0;
+    }
+
+
+    /*
+     * Check if this is an opcode that we are interested in --
+     * namely, opcodes that have arguments
+     */
+    if (Op->Common.AmlOpcode == AML_INT_NAMEDFIELD_OP)
+    {
+        return (AE_OK);
+    }
+
+    switch (OpcodeClass)
+    {
+    case AML_CLASS_UNKNOWN:
+    case AML_CLASS_ARGUMENT:    /* constants, literals, etc.  do nothing */
+        return (AE_OK);
+
+    default:
+        /* All other opcodes -- continue */
+        break;
+    }
+
+    /*
+     * Under certain debug conditions, display this opcode and its operands
+     */
+    if ((AcpiGbl_DbOutputToFile)            ||
+        (AcpiGbl_CmSingleStep)              ||
+        (AcpiDbgLevel & ACPI_LV_PARSE))
+    {
+        if ((AcpiGbl_DbOutputToFile)        ||
+            (AcpiDbgLevel & ACPI_LV_PARSE))
+        {
+            AcpiOsPrintf ("\n[AmlDebug] Next AML Opcode to execute:\n");
+        }
+
+        /*
+         * Display this op (and only this op - zero out the NEXT field temporarily,
+         * and disable parser trace output for the duration of the display because
+         * we don't want the extraneous debug output)
+         */
+        OriginalDebugLevel = AcpiDbgLevel;
+        AcpiDbgLevel &= ~(ACPI_LV_PARSE | ACPI_LV_FUNCTIONS);
+        Next = Op->Common.Next;
+        Op->Common.Next = NULL;
+
+
+        DisplayOp = Op;
+        ParentOp = Op->Common.Parent;
+        if (ParentOp)
+        {
+            if ((WalkState->ControlState) &&
+                (WalkState->ControlState->Common.State == ACPI_CONTROL_PREDICATE_EXECUTING))
+            {
+                /*
+                 * We are executing the predicate of an IF or WHILE statement
+                 * Search upwards for the containing IF or WHILE so that the
+                 * entire predicate can be displayed.
+                 */
+                while (ParentOp)
+                {
+                    if ((ParentOp->Common.AmlOpcode == AML_IF_OP) ||
+                        (ParentOp->Common.AmlOpcode == AML_WHILE_OP))
+                    {
+                        DisplayOp = ParentOp;
+                        break;
+                    }
+                    ParentOp = ParentOp->Common.Parent;
+                }
+            }
+            else
+            {
+                while (ParentOp)
+                {
+                    if ((ParentOp->Common.AmlOpcode == AML_IF_OP)     ||
+                        (ParentOp->Common.AmlOpcode == AML_ELSE_OP)   ||
+                        (ParentOp->Common.AmlOpcode == AML_SCOPE_OP)  ||
+                        (ParentOp->Common.AmlOpcode == AML_METHOD_OP) ||
+                        (ParentOp->Common.AmlOpcode == AML_WHILE_OP))
+                    {
+                        break;
+                    }
+                    DisplayOp = ParentOp;
+                    ParentOp = ParentOp->Common.Parent;
+                }
+            }
+        }
+
+        /* Now we can display it */
+
+#ifdef ACPI_DISASSEMBLER
+        AcpiDmDisassemble (WalkState, DisplayOp, ACPI_UINT32_MAX);
+#endif
+
+        if ((Op->Common.AmlOpcode == AML_IF_OP) ||
+            (Op->Common.AmlOpcode == AML_WHILE_OP))
+        {
+            if (WalkState->ControlState->Common.Value)
+            {
+                AcpiOsPrintf ("Predicate = [True], IF block was executed\n");
+            }
+            else
+            {
+                AcpiOsPrintf ("Predicate = [False], Skipping IF block\n");
+            }
+        }
+
+        else if (Op->Common.AmlOpcode == AML_ELSE_OP)
+        {
+            AcpiOsPrintf ("Predicate = [False], ELSE block was executed\n");
+        }
+
+        /* Restore everything */
+
+        Op->Common.Next = Next;
+        AcpiOsPrintf ("\n");
+        if ((AcpiGbl_DbOutputToFile)        ||
+            (AcpiDbgLevel & ACPI_LV_PARSE))
+        {
+            AcpiOsPrintf ("\n");
+        }
+        AcpiDbgLevel = OriginalDebugLevel;
+    }
+
+    /* If we are not single stepping, just continue executing the method */
+
+    if (!AcpiGbl_CmSingleStep)
+    {
+        return (AE_OK);
+    }
+
+    /*
+     * If we are executing a step-to-call command,
+     * Check if this is a method call.
+     */
+    if (AcpiGbl_StepToNextCall)
+    {
+        if (Op->Common.AmlOpcode != AML_INT_METHODCALL_OP)
+        {
+            /* Not a method call, just keep executing */
+
+            return (AE_OK);
+        }
+
+        /* Found a method call, stop executing */
+
+        AcpiGbl_StepToNextCall = FALSE;
+    }
+
+    /*
+     * If the next opcode is a method call, we will "step over" it
+     * by default.
+     */
+    if (Op->Common.AmlOpcode == AML_INT_METHODCALL_OP)
+    {
+        AcpiGbl_CmSingleStep = FALSE;  /* No more single step while executing called method */
+
+        /* Set the breakpoint on/before the call, it will stop execution as soon as we return */
+
+        WalkState->MethodBreakpoint = 1;  /* Must be non-zero! */
+    }
+
+
+    /* TBD: [Investigate] what are the namespace locking issues here */
+
+    /* AcpiUtReleaseMutex (ACPI_MTX_NAMESPACE); */
+
+    /* Go into the command loop and await next user command */
+
+    AcpiGbl_MethodExecuting = TRUE;
+    Status = AE_CTRL_TRUE;
+    while (Status == AE_CTRL_TRUE)
+    {
+        if (AcpiGbl_DebuggerConfiguration == DEBUGGER_MULTI_THREADED)
+        {
+            /* Handshake with the front-end that gets user command lines */
+
+            Status = AcpiUtReleaseMutex (ACPI_MTX_DEBUG_CMD_COMPLETE);
+            if (ACPI_FAILURE (Status))
+            {
+                return (Status);
+            }
+            Status = AcpiUtAcquireMutex (ACPI_MTX_DEBUG_CMD_READY);
+            if (ACPI_FAILURE (Status))
+            {
+                return (Status);
+            }
+        }
+
+        else
+        {
+            /* Single threaded, we must get a command line ourselves */
+
+            /* Force output to console until a command is entered */
+
+            AcpiDbSetOutputDestination (ACPI_DB_CONSOLE_OUTPUT);
+
+            /* Different prompt if method is executing */
+
+            if (!AcpiGbl_MethodExecuting)
+            {
+                AcpiOsPrintf ("%1c ", ACPI_DEBUGGER_COMMAND_PROMPT);
+            }
+            else
+            {
+                AcpiOsPrintf ("%1c ", ACPI_DEBUGGER_EXECUTE_PROMPT);
+            }
+
+            /* Get the user input line */
+
+            (void) AcpiOsGetLine (AcpiGbl_DbLineBuf);
+        }
+
+        Status = AcpiDbCommandDispatch (AcpiGbl_DbLineBuf, WalkState, Op);
+    }
+
+    /* AcpiUtAcquireMutex (ACPI_MTX_NAMESPACE); */
+
+    /* User commands complete, continue execution of the interrupted method */
+
+    return (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDbInitialize
+ *
+ * PARAMETERS:  None
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Init and start debugger
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiDbInitialize (void)
+{
+    ACPI_STATUS             Status;
+
+
+    /* Init globals */
+
+    AcpiGbl_DbBuffer            = NULL;
+    AcpiGbl_DbFilename          = NULL;
+    AcpiGbl_DbOutputToFile      = FALSE;
+
+    AcpiGbl_DbDebugLevel        = ACPI_LV_VERBOSITY2;
+    AcpiGbl_DbConsoleDebugLevel = NORMAL_DEFAULT | ACPI_LV_TABLES;
+    AcpiGbl_DbOutputFlags       = ACPI_DB_CONSOLE_OUTPUT;
+
+    AcpiGbl_DbOpt_tables        = FALSE;
+    AcpiGbl_DbOpt_stats         = FALSE;
+#ifdef ACPI_DISASSEMBLER
+    AcpiGbl_DbOpt_disasm        = FALSE;
+    AcpiGbl_DbOpt_verbose       = TRUE;
+#endif
+    AcpiGbl_DbOpt_ini_methods   = TRUE;
+
+    AcpiGbl_DbBuffer = AcpiOsAllocate (ACPI_DEBUG_BUFFER_SIZE);
+    if (!AcpiGbl_DbBuffer)
+    {
+        return (AE_NO_MEMORY);
+    }
+    ACPI_MEMSET (AcpiGbl_DbBuffer, 0, ACPI_DEBUG_BUFFER_SIZE);
+
+    /* Initial scope is the root */
+
+    AcpiGbl_DbScopeBuf [0] = '\\';
+    AcpiGbl_DbScopeBuf [1] =  0;
+    AcpiGbl_DbScopeNode = AcpiGbl_RootNode;
+
+    /*
+     * If configured for multi-thread support, the debug executor runs in
+     * a separate thread so that the front end can be in another address
+     * space, environment, or even another machine.
+     */
+    if (AcpiGbl_DebuggerConfiguration & DEBUGGER_MULTI_THREADED)
+    {
+        /* These were created with one unit, grab it */
+
+        Status = AcpiUtAcquireMutex (ACPI_MTX_DEBUG_CMD_COMPLETE);
+        if (ACPI_FAILURE (Status))
+        {
+            AcpiOsPrintf ("Could not get debugger mutex\n");
+            return (Status);
+        }
+        Status = AcpiUtAcquireMutex (ACPI_MTX_DEBUG_CMD_READY);
+        if (ACPI_FAILURE (Status))
+        {
+            AcpiOsPrintf ("Could not get debugger mutex\n");
+            return (Status);
+        }
+
+        /* Create the debug execution thread to execute commands */
+
+        Status = AcpiOsQueueForExecution (0, AcpiDbExecuteThread, NULL);
+        if (ACPI_FAILURE (Status))
+        {
+            AcpiOsPrintf ("Could not start debugger thread\n");
+            return (Status);
+        }
+    }
+
+#ifdef ACPI_DISASSEMBLER
+    if (!AcpiGbl_DbOpt_verbose)
+    {
+        AcpiGbl_DbOpt_disasm = TRUE;
+        AcpiGbl_DbOpt_stats = FALSE;
+    }
+#endif
+
+    return (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDbTerminate
+ *
+ * PARAMETERS:  None
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Stop debugger
+ *
+ ******************************************************************************/
+
+void
+AcpiDbTerminate (void)
+{
+
+    if (AcpiGbl_DbTablePtr)
+    {
+        AcpiOsFree (AcpiGbl_DbTablePtr);
+    }
+    if (AcpiGbl_DbBuffer)
+    {
+        AcpiOsFree (AcpiGbl_DbBuffer);
+    }
+}
+
+
+#endif /* ACPI_DEBUGGER */
diff --git a/sys/contrib/dev/acpica/dmbuffer.c b/sys/contrib/dev/acpica/dmbuffer.c
new file mode 100644
index 0000000..32271db7
--- /dev/null
+++ b/sys/contrib/dev/acpica/dmbuffer.c
@@ -0,0 +1,537 @@
+/*******************************************************************************
+ *
+ * Module Name: dmbuffer - AML disassembler, buffer and string support
+ *              $Revision: 8 $
+ *
+ ******************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+
+#include "acpi.h"
+#include "acdisasm.h"
+#include "acparser.h"
+#include "amlcode.h"
+
+
+#ifdef ACPI_DISASSEMBLER
+
+#define _COMPONENT          ACPI_CA_DEBUGGER
+        ACPI_MODULE_NAME    ("dmbuffer")
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDmDisasmByteList
+ *
+ * PARAMETERS:  Level               - Current source code indentation level
+ *              ByteData            - Pointer to the byte list
+ *              ByteCount           - Length of the byte list
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Dump a list of bytes in Hex format
+ *
+ ******************************************************************************/
+
+void
+AcpiDmDisasmByteList (
+    UINT32                  Level,
+    UINT8                   *ByteData,
+    UINT32                  ByteCount)
+{
+    UINT32                  i;
+
+
+    AcpiDmIndent (Level);
+
+    /* Dump the byte list */
+
+    for (i = 0; i < ByteCount; i++)
+    {
+        AcpiOsPrintf ("0x%2.2X", (UINT32) ByteData[i]);
+
+        /* Add comma if there are more bytes to display */
+
+        if (i < (ByteCount -1))
+        {
+            AcpiOsPrintf (", ");
+        }
+
+        /* New line every 8 bytes */
+
+        if ((((i+1) % 8) == 0) && ((i+1) < ByteCount))
+        {
+            AcpiOsPrintf ("\n");
+            AcpiDmIndent (Level);
+        }
+    }
+
+    if (Level)
+    {
+        AcpiOsPrintf ("\n");
+    }
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDmByteList
+ *
+ * PARAMETERS:  Info            - Parse tree walk info
+ *              Op              - Byte list op
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Dump a buffer byte list, handling the various types of buffers.
+ *              Buffer type must be already set in the Op DisasmOpcode.
+ *
+ ******************************************************************************/
+
+void
+AcpiDmByteList (
+    ACPI_OP_WALK_INFO       *Info,
+    ACPI_PARSE_OBJECT       *Op)
+{
+    UINT8                   *ByteData;
+    UINT32                  ByteCount;
+
+
+    ByteData = Op->Named.Data;
+    ByteCount = Op->Common.Value.Integer32;
+
+    /*
+     * The byte list belongs to a buffer, and can be produced by either
+     * a ResourceTemplate, Unicode, quoted string, or a plain byte list.
+     */
+    switch (Op->Common.Parent->Common.DisasmOpcode)
+    {
+    case ACPI_DASM_RESOURCE:
+
+        AcpiDmResourceDescriptor (Info, ByteData, ByteCount);
+        break;
+
+    case ACPI_DASM_STRING:
+
+        AcpiDmIndent (Info->Level);
+        AcpiUtPrintString ((char *) ByteData, ACPI_UINT8_MAX);
+        AcpiOsPrintf ("\n");
+        break;
+
+    case ACPI_DASM_UNICODE:
+
+        AcpiDmUnicode (Op);
+        break;
+
+    case ACPI_DASM_BUFFER:
+    default:
+
+        /*
+         * Not a resource, string, or unicode string.
+         * Just dump the buffer
+         */
+        AcpiDmDisasmByteList (Info->Level, ByteData, ByteCount);
+        break;
+    }
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDmIsUnicodeBuffer
+ *
+ * PARAMETERS:  Op              - Buffer Object to be examined
+ *
+ * RETURN:      TRUE if buffer contains a UNICODE string
+ *
+ * DESCRIPTION: Determine if a buffer Op contains a Unicode string
+ *
+ ******************************************************************************/
+
+BOOLEAN
+AcpiDmIsUnicodeBuffer (
+    ACPI_PARSE_OBJECT       *Op)
+{
+    UINT8                   *ByteData;
+    UINT32                  ByteCount;
+    UINT32                  WordCount;
+    ACPI_PARSE_OBJECT       *SizeOp;
+    ACPI_PARSE_OBJECT       *NextOp;
+    NATIVE_UINT             i;
+
+
+    /* Buffer size is the buffer argument */
+
+    SizeOp = Op->Common.Value.Arg;
+
+    /* Next, the initializer byte list to examine */
+
+    NextOp = SizeOp->Common.Next;
+    if (!NextOp)
+    {
+        return (FALSE);
+    }
+
+    /* Extract the byte list info */
+
+    ByteData = NextOp->Named.Data;
+    ByteCount = NextOp->Common.Value.Integer32;
+    WordCount = ACPI_DIV_2 (ByteCount);
+
+    /*
+     * Unicode string must have an even number of bytes and last
+     * word must be zero
+     */
+    if ((!ByteCount)     ||
+         (ByteCount < 4) ||
+         (ByteCount & 1) ||
+        ((UINT16 *) (void *) ByteData)[WordCount - 1] != 0)
+    {
+        return (FALSE);
+    }
+
+    /* For each word, 1st byte must be ascii, 2nd byte must be zero */
+
+    for (i = 0; i < (ByteCount - 2); i += 2)
+    {
+        if ((!ACPI_IS_PRINT (ByteData[i])) ||
+            (ByteData[i + 1] != 0))
+        {
+            return (FALSE);
+        }
+    }
+
+    /* Ignore the Size argument in the disassembly of this buffer op */
+
+    SizeOp->Common.DisasmFlags |= ACPI_PARSEOP_IGNORE;
+    return (TRUE);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDmIsStringBuffer
+ *
+ * PARAMETERS:  Op              - Buffer Object to be examined
+ *
+ * RETURN:      TRUE if buffer contains a ASCII string
+ *
+ * DESCRIPTION: Determine if a buffer Op contains a ASCII string
+ *
+ ******************************************************************************/
+
+BOOLEAN
+AcpiDmIsStringBuffer (
+    ACPI_PARSE_OBJECT       *Op)
+{
+    UINT8                   *ByteData;
+    UINT32                  ByteCount;
+    ACPI_PARSE_OBJECT       *SizeOp;
+    ACPI_PARSE_OBJECT       *NextOp;
+    UINT32                  i;
+
+
+    /* Buffer size is the buffer argument */
+
+    SizeOp = Op->Common.Value.Arg;
+
+    /* Next, the initializer byte list to examine */
+
+    NextOp = SizeOp->Common.Next;
+    if (!NextOp)
+    {
+        return (FALSE);
+    }
+
+    /* Extract the byte list info */
+
+    ByteData = NextOp->Named.Data;
+    ByteCount = NextOp->Common.Value.Integer32;
+
+    /* Last byte must be the null terminator */
+
+    if ((!ByteCount)     ||
+         (ByteCount < 2) ||
+         (ByteData[ByteCount-1] != 0))
+    {
+        return (FALSE);
+    }
+
+    for (i = 0; i < (ByteCount - 1); i++)
+    {
+        /* TBD: allow some escapes (non-ascii chars).
+         * they will be handled in the string output routine
+         */
+
+        if (!ACPI_IS_PRINT (ByteData[i]))
+        {
+            return (FALSE);
+        }
+    }
+
+    return (TRUE);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDmUnicode
+ *
+ * PARAMETERS:  Op              - Byte List op containing Unicode string
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Dump Unicode string as a standard ASCII string.  (Remove
+ *              the extra zero bytes).
+ *
+ ******************************************************************************/
+
+void
+AcpiDmUnicode (
+    ACPI_PARSE_OBJECT       *Op)
+{
+    UINT16                  *WordData;
+    UINT32                  WordCount;
+    UINT32                  i;
+
+
+    /* Extract the buffer info as a WORD buffer */
+
+    WordData = ACPI_CAST_PTR (UINT16, Op->Named.Data);
+    WordCount = ACPI_DIV_2 (Op->Common.Value.Integer32);
+
+
+    AcpiOsPrintf ("\"");
+
+    /* Write every other byte as an ASCII character */
+
+    for (i = 0; i < (WordCount - 1); i++)
+    {
+        AcpiOsPrintf ("%c", (int) WordData[i]);
+    }
+
+    AcpiOsPrintf ("\")");
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiIsEisaId
+ *
+ * PARAMETERS:  Op              - Op to be examined
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Determine if an Op can be converted to an EisaId.
+ *
+ ******************************************************************************/
+
+void
+AcpiIsEisaId (
+    ACPI_PARSE_OBJECT       *Op)
+{
+    UINT32                  Name;
+    UINT32                  BigEndianId;
+    ACPI_PARSE_OBJECT       *NextOp;
+    NATIVE_UINT             i;
+    UINT32                  Prefix[3];
+
+
+    /* Get the NameSegment */
+
+    Name = AcpiPsGetName (Op);
+    if (!Name)
+    {
+        return;
+    }
+
+    /* We are looking for _HID */
+
+    if (ACPI_STRNCMP ((char *) &Name, "_HID", 4))
+    {
+        return;
+    }
+
+    /* The parameter must be either a word or a dword */
+
+    NextOp = AcpiPsGetDepthNext (NULL, Op);
+    if ((NextOp->Common.AmlOpcode != AML_DWORD_OP) &&
+        (NextOp->Common.AmlOpcode != AML_WORD_OP))
+    {
+        return;
+    }
+
+    /* Swap from little-endian to big-endian to simplify conversion */
+
+    BigEndianId = AcpiUtDwordByteSwap (NextOp->Common.Value.Integer32);
+
+    /* Create the 3 leading ASCII letters */
+
+    Prefix[0] = ((BigEndianId >> 26) & 0x1F) + 0x40;
+    Prefix[1] = ((BigEndianId >> 21) & 0x1F) + 0x40;
+    Prefix[2] = ((BigEndianId >> 16) & 0x1F) + 0x40;
+
+    /* Verify that all 3 are ascii and alpha */
+
+    for (i = 0; i < 3; i++)
+    {
+        if (!ACPI_IS_ASCII (Prefix[i]) ||
+            !ACPI_IS_ALPHA (Prefix[i]))
+        {
+            return;
+        }
+    }
+
+    /* OK - mark this node as convertable to an EISA ID */
+
+    NextOp->Common.DisasmOpcode = ACPI_DASM_EISAID;
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDmEisaId
+ *
+ * PARAMETERS:  EncodedId       - Raw encoded EISA ID.
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Convert an encoded EISAID back to the original ASCII String.
+ *
+ ******************************************************************************/
+
+void
+AcpiDmEisaId (
+    UINT32                  EncodedId)
+{
+    UINT32                  BigEndianId;
+
+
+    /* Swap from little-endian to big-endian to simplify conversion */
+
+    BigEndianId = AcpiUtDwordByteSwap (EncodedId);
+
+
+    /* Split to form "AAANNNN" string */
+
+    AcpiOsPrintf ("EisaId (\"%c%c%c%4.4X\")",
+
+        /* Three Alpha characters (AAA), 5 bits each */
+
+        (int) ((BigEndianId >> 26) & 0x1F) + 0x40,
+        (int) ((BigEndianId >> 21) & 0x1F) + 0x40,
+        (int) ((BigEndianId >> 16) & 0x1F) + 0x40,
+
+        /* Numeric part (NNNN) is simply the lower 16 bits */
+
+        (UINT32) (BigEndianId & 0xFFFF));
+}
+
+#endif
diff --git a/sys/contrib/dev/acpica/dmnames.c b/sys/contrib/dev/acpica/dmnames.c
new file mode 100644
index 0000000..799bfe1
--- /dev/null
+++ b/sys/contrib/dev/acpica/dmnames.c
@@ -0,0 +1,499 @@
+/*******************************************************************************
+ *
+ * Module Name: dmnames - AML disassembler, names, namestrings, pathnames
+ *              $Revision: 4 $
+ *
+ ******************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+
+#include "acpi.h"
+#include "acparser.h"
+#include "amlcode.h"
+#include "acnamesp.h"
+#include "acdisasm.h"
+
+
+#ifdef ACPI_DISASSEMBLER
+
+#define _COMPONENT          ACPI_CA_DEBUGGER
+        ACPI_MODULE_NAME    ("dmnames")
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDmValidateName
+ *
+ * PARAMETERS:  Name            - 4 character ACPI name
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Lookup the name
+ *
+ ******************************************************************************/
+
+void
+AcpiDmValidateName (
+    char                    *Name,
+    ACPI_PARSE_OBJECT       *Op)
+{
+
+#if 0
+    if ((!Name) ||
+        (!Op->Common.Parent))
+    {
+        return;
+    }
+
+    if (!Op->Common.Node)
+    {
+        AcpiOsPrintf (" /**** Name not found or not accessible from this scope ****/ ");
+    }
+
+    ACPI_PARSE_OBJECT       *TargetOp;
+
+
+    if ((!Name) ||
+        (!Op->Common.Parent))
+    {
+        return;
+    }
+
+    TargetOp = AcpiPsFind (Op, Name, 0, 0);
+    if (!TargetOp)
+    {
+        /*
+         * Didn't find the name in the parse tree.  This may be
+         * a problem, or it may simply be one of the predefined names
+         * (such as _OS_).  Rather than worry about looking up all
+         * the predefined names, just display the name as given
+         */
+        AcpiOsPrintf (" /**** Name not found or not accessible from this scope ****/ ");
+    }
+#endif
+
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDmDumpName
+ *
+ * PARAMETERS:  Name            - 4 character ACPI name
+ *
+ * RETURN:      Final length of name
+ *
+ * DESCRIPTION: Dump an ACPI name, minus any trailing underscores.
+ *
+ ******************************************************************************/
+
+UINT32
+AcpiDmDumpName (
+    char                    *Name)
+{
+    UINT32                  i;
+    UINT32                  Length;
+    char                    *End = Name + ACPI_NAME_SIZE;
+
+
+    for (i = 0; i < ACPI_NAME_SIZE; i++)
+    {
+        if (Name[i] != '_')
+        {
+            End = &Name[i];
+        }
+    }
+
+    Length = (UINT32)(End - Name) + 1;
+    for (i = 0; i < Length; i++)
+    {
+        AcpiOsPrintf ("%c", Name[i]);
+    }
+
+    return (Length);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiPsDisplayObjectPathname
+ *
+ * PARAMETERS:  WalkState       - Current walk state
+ *              Op              - Object whose pathname is to be obtained
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Diplay the pathname associated with a named object.  Two
+ *              versions. One searches the parse tree (for parser-only
+ *              applications suchas AcpiDump), and the other searches the
+ *              ACPI namespace (the parse tree is probably deleted)
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiPsDisplayObjectPathname (
+    ACPI_WALK_STATE         *WalkState,
+    ACPI_PARSE_OBJECT       *Op)
+{
+    ACPI_STATUS             Status;
+    ACPI_NAMESPACE_NODE     *Node;
+    ACPI_BUFFER             Buffer;
+    UINT32                  DebugLevel;
+
+
+    /* Save current debug level so we don't get extraneous debug output */
+
+    DebugLevel = AcpiDbgLevel;
+    AcpiDbgLevel = 0;
+
+    /* Just get the Node out of the Op object */
+
+    Node = Op->Common.Node;
+    if (!Node)
+    {
+        /* Node not defined in this scope, look it up */
+
+        Status = AcpiNsLookup (WalkState->ScopeInfo, Op->Common.Value.String, ACPI_TYPE_ANY,
+                        ACPI_IMODE_EXECUTE, ACPI_NS_SEARCH_PARENT, WalkState, &(Node));
+
+        if (ACPI_FAILURE (Status))
+        {
+            /*
+             * We can't get the pathname since the object
+             * is not in the namespace.  This can happen during single
+             * stepping where a dynamic named object is *about* to be created.
+             */
+            AcpiOsPrintf ("  [Path not found]");
+            goto Exit;
+        }
+
+        /* Save it for next time. */
+
+        Op->Common.Node = Node;
+    }
+
+    /* Convert NamedDesc/handle to a full pathname */
+
+    Buffer.Length = ACPI_ALLOCATE_LOCAL_BUFFER;
+    Status = AcpiNsHandleToPathname (Node, &Buffer);
+    if (ACPI_FAILURE (Status))
+    {
+        AcpiOsPrintf ("****Could not get pathname****)");
+        goto Exit;
+    }
+
+    AcpiOsPrintf ("  (Path %s)", (char *) Buffer.Pointer);
+    ACPI_MEM_FREE (Buffer.Pointer);
+
+
+Exit:
+    /* Restore the debug level */
+
+    AcpiDbgLevel = DebugLevel;
+    return (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDmNamestring
+ *
+ * PARAMETERS:  Name                - ACPI Name string to store
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Decode an ACPI namestring. Handles prefix characters
+ *
+ ******************************************************************************/
+
+void
+AcpiDmNamestring (
+    NATIVE_CHAR             *Name)
+{
+    UINT32                  SegCount;
+
+
+    if (!Name)
+    {
+        return;
+    }
+
+    /* Handle all Scope Prefix operators */
+
+    while (AcpiPsIsPrefixChar (ACPI_GET8 (Name)))
+    {
+        /* Append prefix character */
+
+        AcpiOsPrintf ("%1c", ACPI_GET8 (Name));
+        Name++;
+    }
+
+    switch (ACPI_GET8 (Name))
+    {
+    case 0:
+        SegCount = 0;
+        break;
+
+    case AML_DUAL_NAME_PREFIX:
+        SegCount = 2;
+        Name++;
+        break;
+
+    case AML_MULTI_NAME_PREFIX_OP:
+        SegCount = (UINT32) ACPI_GET8 (Name + 1);
+        Name += 2;
+        break;
+
+    default:
+        SegCount = 1;
+        break;
+    }
+
+    while (SegCount)
+    {
+        /* Append Name segment */
+
+        AcpiDmDumpName ((char *) Name);
+
+        SegCount--;
+        if (SegCount)
+        {
+            /* Not last name, append dot separator */
+
+            AcpiOsPrintf (".");
+        }
+        Name += ACPI_NAME_SIZE;
+    }
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDmDisplayPath
+ *
+ * PARAMETERS:  Op                  - Named Op whose path is to be constructed
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Walk backwards from current scope and display the name
+ *              of each previous level of scope up to the root scope
+ *              (like "pwd" does with file systems)
+ *
+ ******************************************************************************/
+
+void
+AcpiDmDisplayPath (
+    ACPI_PARSE_OBJECT       *Op)
+{
+    ACPI_PARSE_OBJECT       *Prev;
+    ACPI_PARSE_OBJECT       *Search;
+    UINT32                  Name;
+    BOOLEAN                 DoDot = FALSE;
+    ACPI_PARSE_OBJECT       *NamePath;
+    const ACPI_OPCODE_INFO  *OpInfo;
+
+
+    /* We are only interested in named objects */
+
+    OpInfo = AcpiPsGetOpcodeInfo (Op->Common.AmlOpcode);
+    if (!(OpInfo->Flags & AML_NSNODE))
+    {
+        return;
+    }
+
+    if (OpInfo->Flags & AML_CREATE)
+    {
+        /* Field creation - check for a fully qualified namepath */
+
+        if (Op->Common.AmlOpcode == AML_CREATE_FIELD_OP)
+        {
+            NamePath = AcpiPsGetArg (Op, 3);
+        }
+        else
+        {
+            NamePath = AcpiPsGetArg (Op, 2);
+        }
+
+        if ((NamePath) &&
+            (NamePath->Common.Value.String) &&
+            (NamePath->Common.Value.String[0] == '\\'))
+        {
+            AcpiDmNamestring (NamePath->Common.Value.String);
+            return;
+        }
+    }
+
+    Prev = NULL;            /* Start with Root Node */
+
+    while (Prev != Op)
+    {
+        /* Search upwards in the tree to find scope with "prev" as its parent */
+
+        Search = Op;
+        for (; ;)
+        {
+            if (Search->Common.Parent == Prev)
+            {
+                break;
+            }
+
+            /* Go up one level */
+
+            Search = Search->Common.Parent;
+        }
+
+        if (Prev)
+        {
+            OpInfo = AcpiPsGetOpcodeInfo (Search->Common.AmlOpcode);
+            if (!(OpInfo->Flags & AML_FIELD))
+            {
+                /* Below root scope, append scope name */
+
+                if (DoDot)
+                {
+                    /* Append dot */
+
+                    AcpiOsPrintf (".");
+                }
+
+                if (OpInfo->Flags & AML_CREATE)
+                {
+                    if (Op->Common.AmlOpcode == AML_CREATE_FIELD_OP)
+                    {
+                        NamePath = AcpiPsGetArg (Op, 3);
+                    }
+                    else
+                    {
+                        NamePath = AcpiPsGetArg (Op, 2);
+                    }
+
+                    if ((NamePath) &&
+                        (NamePath->Common.Value.String))
+                    {
+                        AcpiDmDumpName (NamePath->Common.Value.String);
+                    }
+                }
+                else
+                {
+                    Name = AcpiPsGetName (Search);
+                    AcpiDmDumpName ((char *) &Name);
+                }
+
+                DoDot = TRUE;
+            }
+        }
+        Prev = Search;
+    }
+}
+
+#endif
+
+
diff --git a/sys/contrib/dev/acpica/dmopcode.c b/sys/contrib/dev/acpica/dmopcode.c
new file mode 100644
index 0000000..8f89c66
--- /dev/null
+++ b/sys/contrib/dev/acpica/dmopcode.c
@@ -0,0 +1,602 @@
+/*******************************************************************************
+ *
+ * Module Name: dmopcode - AML disassembler, specific AML opcodes
+ *              $Revision: 79 $
+ *
+ ******************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+#include "acpi.h"
+#include "acparser.h"
+#include "amlcode.h"
+#include "acdisasm.h"
+#include "acdebug.h"
+
+#ifdef ACPI_DISASSEMBLER
+
+#define _COMPONENT          ACPI_CA_DEBUGGER
+        ACPI_MODULE_NAME    ("dmopcode")
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDmMethodFlags
+ *
+ * PARAMETERS:  Op              - Method Object to be examined
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Decode control method flags
+ *
+ ******************************************************************************/
+
+void
+AcpiDmMethodFlags (
+    ACPI_PARSE_OBJECT       *Op)
+{
+    UINT32                  Flags;
+    UINT32                  Args;
+
+
+    /* The next Op contains the flags */
+
+    Op = AcpiPsGetDepthNext (NULL, Op);
+    Flags = Op->Common.Value.Integer8;
+    Args = Flags & 0x07;
+
+    /* Mark the Op as completed */
+
+    Op->Common.DisasmFlags |= ACPI_PARSEOP_IGNORE;
+
+    /* 1) Method argument count */
+
+    AcpiOsPrintf (", %d, ", Args);
+
+    /* 2) Serialize rule */
+
+    if (!(Flags & 0x08))
+    {
+        AcpiOsPrintf ("Not");
+    }
+
+    AcpiOsPrintf ("Serialized");
+
+    /* 3) SyncLevel */
+
+    if (Flags & 0xF0)
+    {
+        AcpiOsPrintf (", %d", Flags >> 4);
+    }
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDmFieldFlags
+ *
+ * PARAMETERS:  Op              - Field Object to be examined
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Decode Field definition flags
+ *
+ ******************************************************************************/
+
+void
+AcpiDmFieldFlags (
+    ACPI_PARSE_OBJECT       *Op)
+{
+    UINT32                  Flags;
+
+
+    /* The next Op contains the flags */
+
+    Op = AcpiPsGetDepthNext (NULL, Op);
+    Flags = Op->Common.Value.Integer8;
+
+    /* Mark the Op as completed */
+
+    Op->Common.DisasmFlags |= ACPI_PARSEOP_IGNORE;
+
+    AcpiOsPrintf ("%s, ", AcpiGbl_AccessTypes [Flags & 0x0F]);
+    AcpiOsPrintf ("%s, ", AcpiGbl_LockRule [(Flags & 0x10) >> 4]);
+    AcpiOsPrintf ("%s)",  AcpiGbl_UpdateRules [(Flags & 0x60) >> 5]);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDmAddressSpace
+ *
+ * PARAMETERS:  SpaceId         - ID to be translated
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Decode a SpaceId to an AddressSpaceKeyword
+ *
+ ******************************************************************************/
+
+void
+AcpiDmAddressSpace (
+    UINT8                   SpaceId)
+{
+
+    if (SpaceId >= ACPI_NUM_PREDEFINED_REGIONS)
+    {
+        if (SpaceId == 0x7F)
+        {
+            AcpiOsPrintf ("FFixedHW, ");
+        }
+        else
+        {
+            AcpiOsPrintf ("0x%.2X, ", SpaceId);
+        }
+    }
+    else
+    {
+        AcpiOsPrintf ("%s, ", AcpiGbl_RegionTypes [SpaceId]);
+    }
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDmRegionFlags
+ *
+ * PARAMETERS:  Op              - Object to be examined
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Decode OperationRegion flags
+ *
+ ******************************************************************************/
+
+void
+AcpiDmRegionFlags (
+    ACPI_PARSE_OBJECT       *Op)
+{
+
+
+    /* The next Op contains the SpaceId */
+
+    Op = AcpiPsGetDepthNext (NULL, Op);
+
+    /* Mark the Op as completed */
+
+    Op->Common.DisasmFlags |= ACPI_PARSEOP_IGNORE;
+
+    AcpiOsPrintf (", ");
+    AcpiDmAddressSpace (Op->Common.Value.Integer8);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDmMatchOp
+ *
+ * PARAMETERS:  Op              - Match Object to be examined
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Decode Match opcode operands
+ *
+ ******************************************************************************/
+
+void
+AcpiDmMatchOp (
+    ACPI_PARSE_OBJECT       *Op)
+{
+    ACPI_PARSE_OBJECT       *NextOp;
+
+
+    NextOp = AcpiPsGetDepthNext (NULL, Op);
+    NextOp = NextOp->Common.Next;
+
+    if (!NextOp)
+    {
+        /* Handle partial tree during single-step */
+
+        return;
+    }
+
+    /* Mark the two nodes that contain the encoding for the match keywords */
+
+    NextOp->Common.DisasmOpcode = ACPI_DASM_MATCHOP;
+
+    NextOp = NextOp->Common.Next;
+    NextOp = NextOp->Common.Next;
+    NextOp->Common.DisasmOpcode = ACPI_DASM_MATCHOP;
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDmMatchKeyword
+ *
+ * PARAMETERS:  Op              - Match Object to be examined
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Decode Match opcode operands
+ *
+ ******************************************************************************/
+
+void
+AcpiDmMatchKeyword (
+    ACPI_PARSE_OBJECT       *Op)
+{
+
+
+    if (Op->Common.Value.Integer32 >= NUM_MATCH_OPS)
+    {
+        AcpiOsPrintf ("/* Unknown Match Keyword encoding */");
+    }
+    else
+    {
+        AcpiOsPrintf ("%s", (char *) AcpiGbl_MatchOps[Op->Common.Value.Integer32]);
+    }
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDmDisassembleOneOp
+ *
+ * PARAMETERS:  WalkState           - Current walk info
+ *              Info                - Parse tree walk info
+ *              Op                  - Op that is to be printed
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Disassemble a single AML opcode
+ *
+ ******************************************************************************/
+
+void
+AcpiDmDisassembleOneOp (
+    ACPI_WALK_STATE         *WalkState,
+    ACPI_OP_WALK_INFO       *Info,
+    ACPI_PARSE_OBJECT       *Op)
+{
+    const ACPI_OPCODE_INFO  *OpInfo = NULL;
+    UINT32                  Offset;
+    UINT32                  Length;
+
+
+    if (!Op)
+    {
+        AcpiOsPrintf ("<NULL OP PTR>");
+        return;
+    }
+
+    switch (Op->Common.DisasmOpcode)
+    {
+    case ACPI_DASM_MATCHOP:
+
+        AcpiDmMatchKeyword (Op);
+        return;
+
+    default:
+        break;
+    }
+
+
+    /* op and arguments */
+
+    switch (Op->Common.AmlOpcode)
+    {
+    case AML_ZERO_OP:
+
+        AcpiOsPrintf ("Zero");
+        break;
+
+
+    case AML_ONE_OP:
+
+        AcpiOsPrintf ("One");
+        break;
+
+
+    case AML_ONES_OP:
+
+        AcpiOsPrintf ("Ones");
+        break;
+
+
+    case AML_REVISION_OP:
+
+        AcpiOsPrintf ("Revision");
+        break;
+
+
+    case AML_BYTE_OP:
+
+        AcpiOsPrintf ("0x%2.2X", (UINT32) Op->Common.Value.Integer8);
+        break;
+
+
+    case AML_WORD_OP:
+
+        if (Op->Common.DisasmOpcode == ACPI_DASM_EISAID)
+        {
+            AcpiDmEisaId (Op->Common.Value.Integer32);
+        }
+        else
+        {
+            AcpiOsPrintf ("0x%4.4X", (UINT32) Op->Common.Value.Integer16);
+        }
+        break;
+
+
+    case AML_DWORD_OP:
+
+        if (Op->Common.DisasmOpcode == ACPI_DASM_EISAID)
+        {
+            AcpiDmEisaId (Op->Common.Value.Integer32);
+        }
+        else
+        {
+            AcpiOsPrintf ("0x%8.8X", Op->Common.Value.Integer32);
+        }
+        break;
+
+
+    case AML_QWORD_OP:
+
+        AcpiOsPrintf ("0x%8.8X%8.8X", Op->Common.Value.Integer64.Hi,
+                                      Op->Common.Value.Integer64.Lo);
+        break;
+
+
+    case AML_STRING_OP:
+
+        AcpiUtPrintString (Op->Common.Value.String, ACPI_UINT8_MAX);
+        break;
+
+
+    case AML_BUFFER_OP:
+
+        /*
+         * Determine the type of buffer.  We can have one of the following:
+         *
+         * 1) ResourceTemplate containing Resource Descriptors.
+         * 2) Unicode String buffer
+         * 3) ASCII String buffer
+         * 4) Raw data buffer (if none of the above)
+         *
+         * Since there are no special AML opcodes to differentiate these
+         * types of buffers, we have to closely look at the data in the
+         * buffer to determine the type.
+         */
+        if (AcpiDmIsResourceDescriptor (Op))
+        {
+            Op->Common.DisasmOpcode = ACPI_DASM_RESOURCE;
+            AcpiOsPrintf ("ResourceTemplate");
+        }
+        else if (AcpiDmIsUnicodeBuffer (Op))
+        {
+            Op->Common.DisasmOpcode = ACPI_DASM_UNICODE;
+            AcpiOsPrintf ("Unicode (");
+        }
+        else if (AcpiDmIsStringBuffer (Op))
+        {
+            Op->Common.DisasmOpcode = ACPI_DASM_STRING;
+            AcpiOsPrintf ("Buffer");
+        }
+        else
+        {
+            Op->Common.DisasmOpcode = ACPI_DASM_BUFFER;
+            AcpiOsPrintf ("Buffer");
+        }
+        break;
+
+
+    case AML_INT_STATICSTRING_OP:
+
+        if (Op->Common.Value.String)
+        {
+            AcpiOsPrintf ("%s", Op->Common.Value.String);
+        }
+        else
+        {
+            AcpiOsPrintf ("\"<NULL STATIC STRING PTR>\"");
+        }
+        break;
+
+
+    case AML_INT_NAMEPATH_OP:
+
+        AcpiDmNamestring (Op->Common.Value.Name);
+        AcpiDmValidateName (Op->Common.Value.Name, Op);
+        break;
+
+
+    case AML_INT_NAMEDFIELD_OP:
+
+        Length = AcpiDmDumpName ((char *) &Op->Named.Name);
+        AcpiOsPrintf (",%*.s  %d", (int) (5 - Length), " ", Op->Common.Value.Integer32);
+        AcpiDmCommaIfFieldMember (Op);
+
+        Info->BitOffset += Op->Common.Value.Integer32;
+        break;
+
+
+    case AML_INT_RESERVEDFIELD_OP:
+
+        /* Offset() -- Must account for previous offsets */
+
+        Offset = Op->Common.Value.Integer32;
+        Info->BitOffset += Offset;
+
+        if (Info->BitOffset % 8 == 0)
+        {
+            AcpiOsPrintf ("Offset (0x%.2X)", ACPI_DIV_8 (Info->BitOffset));
+        }
+        else
+        {
+            AcpiOsPrintf ("    ,   %d", Offset);
+        }
+
+        AcpiDmCommaIfFieldMember (Op);
+        break;
+
+
+    case AML_INT_ACCESSFIELD_OP:
+
+        AcpiOsPrintf ("AccessAs (%s, ",
+            AcpiGbl_AccessTypes [Op->Common.Value.Integer32 >> 8]);
+
+        AcpiDmDecodeAttribute ((UINT8) Op->Common.Value.Integer32);
+        AcpiOsPrintf (")");
+        AcpiDmCommaIfFieldMember (Op);
+        break;
+
+
+    case AML_INT_BYTELIST_OP:
+
+        AcpiDmByteList (Info, Op);
+        break;
+
+
+    case AML_INT_METHODCALL_OP:
+
+        OpInfo = AcpiPsGetOpcodeInfo (Op->Common.AmlOpcode);
+        Op = AcpiPsGetDepthNext (NULL, Op);
+        Op->Common.DisasmFlags |= ACPI_PARSEOP_IGNORE;
+
+        AcpiDmNamestring (Op->Common.Value.Name);
+        break;
+
+
+    default:
+
+        /* Just get the opcode name and print it */
+
+        OpInfo = AcpiPsGetOpcodeInfo (Op->Common.AmlOpcode);
+        AcpiOsPrintf ("%s", OpInfo->Name);
+
+
+#ifdef ACPI_DEBUGGER
+
+        if ((Op->Common.AmlOpcode == AML_INT_RETURN_VALUE_OP) &&
+            (WalkState) &&
+            (WalkState->Results) &&
+            (WalkState->Results->Results.NumResults))
+        {
+            AcpiDbDecodeInternalObject (
+                WalkState->Results->Results.ObjDesc [WalkState->Results->Results.NumResults-1]);
+        }
+#endif
+        break;
+    }
+}
+
+#endif  /* ACPI_DISASSEMBLER */
diff --git a/sys/contrib/dev/acpica/dmresrc.c b/sys/contrib/dev/acpica/dmresrc.c
new file mode 100644
index 0000000..03d34bc
--- /dev/null
+++ b/sys/contrib/dev/acpica/dmresrc.c
@@ -0,0 +1,528 @@
+/*******************************************************************************
+ *
+ * Module Name: dmresrc.c - Resource Descriptor disassembly
+ *              $Revision: 5 $
+ *
+ ******************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+
+#include "acpi.h"
+#include "amlcode.h"
+#include "acdisasm.h"
+
+#ifdef ACPI_DISASSEMBLER
+
+#define _COMPONENT          ACPI_CA_DEBUGGER
+        ACPI_MODULE_NAME    ("dbresrc")
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDmBitList
+ *
+ * PARAMETERS:  Mask            - 16-bit value corresponding to 16 interrupt
+ *                                or DMA values
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Dump a bit mask as a list of individual interrupt/dma levels.
+ *
+ ******************************************************************************/
+
+void
+AcpiDmBitList (
+    UINT16                  Mask)
+{
+    UINT32                  i;
+    BOOLEAN                 Previous = FALSE;
+
+
+    /* Open the initializer list */
+
+    AcpiOsPrintf (") {");
+
+    /* Examine each bit */
+
+    for (i = 0; i < 16; i++)
+    {
+        /* Only interested in bits that are set to 1 */
+
+        if (Mask & 1)
+        {
+            if (Previous)
+            {
+                AcpiOsPrintf (",");
+            }
+            Previous = TRUE;
+            AcpiOsPrintf ("%d", i);
+        }
+
+        Mask >>= 1;
+    }
+
+    /* Close list */
+
+    AcpiOsPrintf ("}\n");
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDmResourceDescriptor
+ *
+ * PARAMETERS:  Info            - Curent parse tree walk info
+ *              ByteData        - Pointer to the byte list data
+ *              ByteCount       - Length of the byte list
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Dump the contents of one ResourceTemplate descriptor.
+ *
+ ******************************************************************************/
+
+void
+AcpiDmResourceDescriptor (
+    ACPI_OP_WALK_INFO       *Info,
+    UINT8                   *ByteData,
+    UINT32                  ByteCount)
+{
+    NATIVE_UINT             CurrentByteOffset;
+    UINT8                   CurrentByte;
+    UINT8                   DescriptorId;
+    UINT32                  Length;
+    void                    *DescriptorBody;
+    UINT32                  Level;
+    BOOLEAN                 DependentFns = FALSE;
+
+
+    Level = Info->Level;
+
+    for (CurrentByteOffset = 0; CurrentByteOffset < ByteCount; )
+    {
+        CurrentByte = ByteData[CurrentByteOffset];
+        DescriptorBody = &ByteData[CurrentByteOffset];
+
+        if (CurrentByte & ACPI_RDESC_TYPE_LARGE)
+        {
+            DescriptorId = CurrentByte;
+            Length = (* (ACPI_CAST_PTR (UINT16, &ByteData[CurrentByteOffset + 1])));
+            CurrentByteOffset += 3;
+        }
+        else
+        {
+            DescriptorId = (UINT8) (CurrentByte & 0xF8);
+            Length = (ByteData[CurrentByteOffset] & 0x7);
+            CurrentByteOffset += 1;
+        }
+
+        CurrentByteOffset += (NATIVE_UINT) Length;
+
+        /* Determine type of resource */
+
+        switch (DescriptorId)
+        {
+        /*
+         * "Small" type descriptors
+         */
+        case ACPI_RDESC_TYPE_IRQ_FORMAT:
+
+            AcpiDmIrqDescriptor (DescriptorBody, Length, Level);
+            break;
+
+
+        case ACPI_RDESC_TYPE_DMA_FORMAT:
+
+            AcpiDmDmaDescriptor (DescriptorBody, Length, Level);
+            break;
+
+
+        case ACPI_RDESC_TYPE_START_DEPENDENT:
+
+            /* Finish a previous StartDependentFns */
+
+            if (DependentFns)
+            {
+                Level--;
+                AcpiDmIndent (Level);
+                AcpiOsPrintf ("}\n");
+            }
+
+            AcpiDmStartDependentDescriptor (DescriptorBody, Length, Level);
+            DependentFns = TRUE;
+            Level++;
+            break;
+
+
+        case ACPI_RDESC_TYPE_END_DEPENDENT:
+
+            Level--;
+            DependentFns = FALSE;
+            AcpiDmEndDependentDescriptor (DescriptorBody, Length, Level);
+            break;
+
+
+        case ACPI_RDESC_TYPE_IO_PORT:
+
+            AcpiDmIoDescriptor (DescriptorBody, Length, Level);
+            break;
+
+
+        case ACPI_RDESC_TYPE_FIXED_IO_PORT:
+
+            AcpiDmFixedIoDescriptor (DescriptorBody, Length, Level);
+            break;
+
+
+        case ACPI_RDESC_TYPE_SMALL_VENDOR:
+
+            AcpiDmVendorSmallDescriptor (DescriptorBody, Length, Level);
+            break;
+
+
+        case ACPI_RDESC_TYPE_END_TAG:
+
+            if (DependentFns)
+            {
+                /*
+                 * Close an open StartDependentDescriptor.  This indicates a missing
+                 * EndDependentDescriptor.
+                 */
+                Level--;
+                DependentFns = FALSE;
+                AcpiDmIndent (Level);
+                AcpiOsPrintf ("}\n");
+                AcpiDmIndent (Level);
+
+                AcpiOsPrintf ("/*** Missing EndDependentFunctions descriptor */");
+
+                /*
+                 * We could fix the problem, but then the ASL would not match the AML
+                 * So, we don't do this:
+                 * AcpiDmEndDependentDescriptor (DescriptorBody, Length, Level);
+                 */
+            }
+            return;
+
+
+        /*
+         * "Large" type descriptors
+         */
+        case ACPI_RDESC_TYPE_MEMORY_24:
+
+            AcpiDmMemory24Descriptor (DescriptorBody, Length, Level);
+            break;
+
+
+        case ACPI_RDESC_TYPE_GENERAL_REGISTER:
+
+            AcpiDmGenericRegisterDescriptor (DescriptorBody, Length, Level);
+            break;
+
+
+        case ACPI_RDESC_TYPE_LARGE_VENDOR:
+
+            AcpiDmVendorLargeDescriptor (DescriptorBody, Length, Level);
+            break;
+
+
+        case ACPI_RDESC_TYPE_MEMORY_32:
+
+            AcpiDmMemory32Descriptor (DescriptorBody, Length, Level);
+            break;
+
+
+        case ACPI_RDESC_TYPE_FIXED_MEMORY_32:
+
+            AcpiDmFixedMem32Descriptor (DescriptorBody, Length, Level);
+            break;
+
+
+        case ACPI_RDESC_TYPE_DWORD_ADDRESS_SPACE:
+
+            AcpiDmDwordDescriptor (DescriptorBody, Length, Level);
+            break;
+
+
+        case ACPI_RDESC_TYPE_WORD_ADDRESS_SPACE:
+
+            AcpiDmWordDescriptor (DescriptorBody, Length, Level);
+            break;
+
+
+        case ACPI_RDESC_TYPE_EXTENDED_XRUPT:
+
+            AcpiDmInterruptDescriptor (DescriptorBody, Length, Level);
+            break;
+
+
+        case ACPI_RDESC_TYPE_QWORD_ADDRESS_SPACE:
+
+            AcpiDmQwordDescriptor (DescriptorBody, Length, Level);
+            break;
+
+
+        default:
+            /*
+             * Anything else is unrecognized.
+             *
+             * Since the entire resource buffer has been already walked and
+             * validated, this is a very serious error indicating that someone
+             * overwrote the buffer.
+             */
+            AcpiOsPrintf ("/* Unknown Resource type (%X) */\n", DescriptorId);
+            return;
+        }
+    }
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDmIsResourceDescriptor
+ *
+ * PARAMETERS:  Op          - Buffer Op to be examined
+ *
+ * RETURN:      TRUE if this Buffer Op contains a valid resource
+ *              descriptor.
+ *
+ * DESCRIPTION: Walk a byte list to determine if it consists of a valid set
+ *              of resource descriptors.  Nothing is output.
+ *
+ ******************************************************************************/
+
+BOOLEAN
+AcpiDmIsResourceDescriptor (
+    ACPI_PARSE_OBJECT       *Op)
+{
+    UINT8                   *ByteData;
+    UINT32                  ByteCount;
+    ACPI_PARSE_OBJECT       *NextOp;
+    NATIVE_UINT             CurrentByteOffset;
+    UINT8                   CurrentByte;
+    UINT8                   DescriptorId;
+    UINT32                  Length;
+
+
+    /* This op must be a buffer */
+
+    if (Op->Common.AmlOpcode != AML_BUFFER_OP)
+    {
+        return FALSE;
+    }
+
+    /* Get to the ByteData list */
+
+    NextOp = Op->Common.Value.Arg;
+    NextOp = NextOp->Common.Next;
+    if (!NextOp)
+    {
+        return (FALSE);
+    }
+
+    /* Extract the data pointer and data length */
+
+    ByteCount = NextOp->Common.Value.Integer32;
+    ByteData = NextOp->Named.Data;
+
+    /* The list must have a valid END_TAG */
+
+    if (ByteData[ByteCount-2] != (ACPI_RDESC_TYPE_END_TAG | 1))
+    {
+        return FALSE;
+    }
+
+    /*
+     * Walk the byte list.  Abort on any invalid descriptor ID or
+     * or length
+     */
+    for (CurrentByteOffset = 0; CurrentByteOffset < ByteCount; )
+    {
+        CurrentByte = ByteData[CurrentByteOffset];
+
+        /* Large or small resource? */
+
+        if (CurrentByte & ACPI_RDESC_TYPE_LARGE)
+        {
+            DescriptorId = CurrentByte;
+            Length = (* (ACPI_CAST_PTR (UINT16, (&ByteData[CurrentByteOffset + 1]))));
+            CurrentByteOffset += 3;
+        }
+        else
+        {
+            DescriptorId = (UINT8) (CurrentByte & 0xF8);
+            Length = (ByteData[CurrentByteOffset] & 0x7);
+            CurrentByteOffset += 1;
+        }
+
+        CurrentByteOffset += (NATIVE_UINT) Length;
+
+        /* Determine type of resource */
+
+        switch (DescriptorId)
+        {
+        /*
+         * "Small" type descriptors
+         */
+        case ACPI_RDESC_TYPE_IRQ_FORMAT:
+        case ACPI_RDESC_TYPE_DMA_FORMAT:
+        case ACPI_RDESC_TYPE_START_DEPENDENT:
+        case ACPI_RDESC_TYPE_END_DEPENDENT:
+        case ACPI_RDESC_TYPE_IO_PORT:
+        case ACPI_RDESC_TYPE_FIXED_IO_PORT:
+        case ACPI_RDESC_TYPE_SMALL_VENDOR:
+        /*
+         * "Large" type descriptors
+         */
+        case ACPI_RDESC_TYPE_MEMORY_24:
+        case ACPI_RDESC_TYPE_GENERAL_REGISTER:
+        case ACPI_RDESC_TYPE_LARGE_VENDOR:
+        case ACPI_RDESC_TYPE_MEMORY_32:
+        case ACPI_RDESC_TYPE_FIXED_MEMORY_32:
+        case ACPI_RDESC_TYPE_DWORD_ADDRESS_SPACE:
+        case ACPI_RDESC_TYPE_WORD_ADDRESS_SPACE:
+        case ACPI_RDESC_TYPE_EXTENDED_XRUPT:
+        case ACPI_RDESC_TYPE_QWORD_ADDRESS_SPACE:
+
+            /* Valid descriptor ID, keep going */
+
+            break;
+
+
+        case ACPI_RDESC_TYPE_END_TAG:
+
+            /* We must be at the end of the ByteList */
+
+            if (CurrentByteOffset != ByteCount)
+            {
+                return (FALSE);
+            }
+
+            /* All descriptors/lengths valid, this is a valid descriptor */
+
+            return (TRUE);
+
+
+        default:
+
+            /* Bad descriptor, abort */
+
+            return (FALSE);
+        }
+    }
+
+    /* Did not find an END_TAG, something seriously wrong */
+
+    return (FALSE);
+}
+
+
+#endif
diff --git a/sys/contrib/dev/acpica/dmresrcl.c b/sys/contrib/dev/acpica/dmresrcl.c
new file mode 100644
index 0000000..df27704
--- /dev/null
+++ b/sys/contrib/dev/acpica/dmresrcl.c
@@ -0,0 +1,605 @@
+/*******************************************************************************
+ *
+ * Module Name: dmresrcl.c - "Large" Resource Descriptor disassembly
+ *              $Revision: 7 $
+ *
+ ******************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+
+#include "acpi.h"
+#include "acdisasm.h"
+
+
+#ifdef ACPI_DISASSEMBLER
+
+#define _COMPONENT          ACPI_CA_DEBUGGER
+        ACPI_MODULE_NAME    ("dbresrcl")
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDmIoFlags
+ *
+ * PARAMETERS:  Flags               - Flag byte to be decoded
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Decode the flags specific to IO Address space descriptors
+ *
+ ******************************************************************************/
+
+void
+AcpiDmIoFlags (
+        UINT8               Flags)
+{
+    AcpiOsPrintf ("%s, %s, %s, %s,",
+        AcpiGbl_ConsumeDecode [(Flags & 1)],
+        AcpiGbl_MinDecode [(Flags & 0x4) >> 2],
+        AcpiGbl_MaxDecode [(Flags & 0x8) >> 3],
+        AcpiGbl_DECDecode [(Flags & 0x2) >> 1]);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDmMemoryFlags
+ *
+ * PARAMETERS:  Flags               - Flag byte to be decoded
+ *              SpecificFlags       - "Specific" flag byte to be decoded
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Decode flags specific to Memory Address Space descriptors
+ *
+ ******************************************************************************/
+
+void
+AcpiDmMemoryFlags (
+    UINT8                   Flags,
+    UINT8                   SpecificFlags)
+{
+    AcpiOsPrintf ("%s, %s, %s, %s, %s, %s,",
+        AcpiGbl_ConsumeDecode [(Flags & 1)],
+        AcpiGbl_DECDecode [(Flags & 0x2) >> 1],
+        AcpiGbl_MinDecode [(Flags & 0x4) >> 2],
+        AcpiGbl_MaxDecode [(Flags & 0x8) >> 3],
+        AcpiGbl_MEMDecode [(SpecificFlags & 0x6) >> 1],
+        AcpiGbl_RWDecode [(SpecificFlags & 0x1)]);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDmWordDescriptor
+ *
+ * PARAMETERS:  Resource            - Pointer to the resource descriptor
+ *              Length              - Length of the descriptor in bytes
+ *              Level               - Current source code indentation level
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Decode a Word Address Space descriptor
+ *
+ ******************************************************************************/
+
+void
+AcpiDmWordDescriptor (
+    ASL_WORD_ADDRESS_DESC   *Resource,
+    UINT32                  Length,
+    UINT32                  Level)
+{
+
+    AcpiDmIndent (Level);
+    AcpiOsPrintf ("%s (",
+        AcpiGbl_WordDecode [(Resource->ResourceType & 3)]);
+
+    AcpiDmIoFlags (Resource->Flags);
+
+    if ((Resource->ResourceType & 0x3) == 1)
+    {
+        AcpiOsPrintf (" %s,",
+            AcpiGbl_RNGDecode [(Resource->SpecificFlags & 0x3)]);
+    }
+
+    /* The WORD values */
+
+    AcpiOsPrintf ("\n");
+    AcpiDmIndent (Level + 1);
+    AcpiOsPrintf ("0x%4.4X,\n",
+        (UINT32) Resource->Granularity);
+    AcpiDmIndent (Level + 1);
+    AcpiOsPrintf ("0x%4.4X,\n",
+        (UINT32) Resource->AddressMin);
+    AcpiDmIndent (Level + 1);
+    AcpiOsPrintf ("0x%4.4X,\n",
+        (UINT32) Resource->AddressMax);
+    AcpiDmIndent (Level + 1);
+    AcpiOsPrintf ("0x%4.4X,\n",
+        (UINT32) Resource->TranslationOffset);
+    AcpiDmIndent (Level + 1);
+    AcpiOsPrintf ("0x%4.4X",
+        (UINT32) Resource->AddressLength);
+
+    /* Optional fields */
+
+    if (Length > 13)
+    {
+        AcpiOsPrintf (", 0x%2.2X",
+            (UINT32) Resource->OptionalFields[0]);
+    }
+
+    if (Length > 14)
+    {
+        AcpiOsPrintf (", %s",
+            &Resource->OptionalFields[1]);
+    }
+    AcpiOsPrintf (")\n");
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDmDwordDescriptor
+ *
+ * PARAMETERS:  Resource            - Pointer to the resource descriptor
+ *              Length              - Length of the descriptor in bytes
+ *              Level               - Current source code indentation level
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Decode a DWord Address Space descriptor
+ *
+ ******************************************************************************/
+
+void
+AcpiDmDwordDescriptor (
+    ASL_DWORD_ADDRESS_DESC  *Resource,
+    UINT32                  Length,
+    UINT32                  Level)
+{
+
+    AcpiDmIndent (Level);
+    AcpiOsPrintf ("D%s (",
+        AcpiGbl_WordDecode [(Resource->ResourceType & 3)]);
+
+    if ((Resource->ResourceType & 0x3) == 1)
+    {
+        AcpiDmIoFlags (Resource->Flags);
+        AcpiOsPrintf (" %s,",
+            AcpiGbl_RNGDecode [(Resource->SpecificFlags & 0x3)]);
+    }
+    else
+    {
+        AcpiDmMemoryFlags (Resource->Flags, Resource->SpecificFlags);
+    }
+
+    /* The DWORD values */
+
+    AcpiOsPrintf ("\n");
+    AcpiDmIndent (Level + 1);
+    AcpiOsPrintf ("0x%8.8X,\n",
+        Resource->Granularity);
+    AcpiDmIndent (Level + 1);
+    AcpiOsPrintf ("0x%8.8X,\n",
+        Resource->AddressMin);
+    AcpiDmIndent (Level + 1);
+    AcpiOsPrintf ("0x%8.8X,\n",
+        Resource->AddressMax);
+    AcpiDmIndent (Level + 1);
+    AcpiOsPrintf ("0x%8.8X,\n",
+        Resource->TranslationOffset);
+    AcpiDmIndent (Level + 1);
+    AcpiOsPrintf ("0x%8.8X",
+        Resource->AddressLength);
+
+    /* Optional fields */
+
+    if (Length > 23)
+    {
+        AcpiOsPrintf (", 0x%2.2X",
+            Resource->OptionalFields[0]);
+    }
+    if (Length > 24)
+    {
+        AcpiOsPrintf (", %s",
+            &Resource->OptionalFields[1]);
+    }
+    AcpiOsPrintf (")\n");
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDmQwordDescriptor
+ *
+ * PARAMETERS:  Resource            - Pointer to the resource descriptor
+ *              Length              - Length of the descriptor in bytes
+ *              Level               - Current source code indentation level
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Decode a QWord Address Space descriptor
+ *
+ ******************************************************************************/
+
+void
+AcpiDmQwordDescriptor (
+    ASL_QWORD_ADDRESS_DESC  *Resource,
+    UINT32                  Length,
+    UINT32                  Level)
+{
+
+    AcpiDmIndent (Level);
+    AcpiOsPrintf ("Q%s (",
+        AcpiGbl_WordDecode [(Resource->ResourceType & 3)]);
+
+    if ((Resource->ResourceType & 0x3) == 1)
+    {
+        AcpiDmIoFlags (Resource->Flags);
+        AcpiOsPrintf (" %s,",
+            AcpiGbl_RNGDecode [(Resource->SpecificFlags & 0x3)]);
+    }
+    else
+    {
+        AcpiDmMemoryFlags (Resource->Flags, Resource->SpecificFlags);
+    }
+
+    /* The QWORD values */
+
+    AcpiOsPrintf ("\n");
+    AcpiDmIndent (Level + 1);
+    AcpiOsPrintf ("0x%8.8X%8.8X,\n",
+        ACPI_HIDWORD (ACPI_GET_ADDRESS (Resource->Granularity)),
+        ACPI_LODWORD (ACPI_GET_ADDRESS (Resource->Granularity)));
+
+    AcpiDmIndent (Level + 1);
+    AcpiOsPrintf ("0x%8.8X%8.8X,\n",
+        ACPI_HIDWORD (ACPI_GET_ADDRESS (Resource->AddressMin)),
+        ACPI_LODWORD (ACPI_GET_ADDRESS (Resource->AddressMin)));
+
+    AcpiDmIndent (Level + 1);
+    AcpiOsPrintf ("0x%8.8X%8.8X,\n",
+        ACPI_HIDWORD (ACPI_GET_ADDRESS (Resource->AddressMax)),
+        ACPI_LODWORD (ACPI_GET_ADDRESS (Resource->AddressMax)));
+
+    AcpiDmIndent (Level + 1);
+    AcpiOsPrintf ("0x%8.8X%8.8X,\n",
+        ACPI_HIDWORD (ACPI_GET_ADDRESS (Resource->TranslationOffset)),
+        ACPI_LODWORD (ACPI_GET_ADDRESS (Resource->TranslationOffset)));
+
+    AcpiDmIndent (Level + 1);
+    AcpiOsPrintf ("0x%8.8X%8.8X",
+        ACPI_HIDWORD (ACPI_GET_ADDRESS (Resource->AddressLength)),
+        ACPI_LODWORD (ACPI_GET_ADDRESS (Resource->AddressLength)));
+
+    /* Optional fields */
+
+    if (Length > 43)
+    {
+        AcpiOsPrintf (", 0x%2.2X",
+            Resource->OptionalFields[0]);
+    }
+    if (Length > 44)
+    {
+        AcpiOsPrintf (", %s",
+            &Resource->OptionalFields[1]);
+    }
+
+    AcpiOsPrintf (")\n");
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDmMemory24Descriptor
+ *
+ * PARAMETERS:  Resource            - Pointer to the resource descriptor
+ *              Length              - Length of the descriptor in bytes
+ *              Level               - Current source code indentation level
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Decode a Memory24 descriptor
+ *
+ ******************************************************************************/
+
+void
+AcpiDmMemory24Descriptor (
+    ASL_MEMORY_24_DESC      *Resource,
+    UINT32                  Length,
+    UINT32                  Level)
+{
+
+    AcpiDmIndent (Level);
+    AcpiOsPrintf ("Memory24 (%s, 0x%4.4X, 0x%4.4X, 0x%4.4X, 0x%4.4X)\n",
+        AcpiGbl_RWDecode [Resource->Information & 1],
+        (UINT32) Resource->AddressMin,
+        (UINT32) Resource->AddressMax,
+        (UINT32) Resource->Alignment,
+        (UINT32) Resource->RangeLength);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDmMemory32Descriptor
+ *
+ * PARAMETERS:  Resource            - Pointer to the resource descriptor
+ *              Length              - Length of the descriptor in bytes
+ *              Level               - Current source code indentation level
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Decode a Memory32 descriptor
+ *
+ ******************************************************************************/
+
+void
+AcpiDmMemory32Descriptor (
+    ASL_MEMORY_32_DESC      *Resource,
+    UINT32                  Length,
+    UINT32                  Level)
+{
+
+    AcpiDmIndent (Level);
+    AcpiOsPrintf ("Memory32 (%s, 0x%8.8X, 0x%8.8X, 0x%8.8X, 0x%8.8X)\n",
+        AcpiGbl_RWDecode [Resource->Information & 1],
+        Resource->AddressMin,
+        Resource->AddressMax,
+        Resource->Alignment,
+        Resource->RangeLength);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDmFixedMem32Descriptor
+ *
+ * PARAMETERS:  Resource            - Pointer to the resource descriptor
+ *              Length              - Length of the descriptor in bytes
+ *              Level               - Current source code indentation level
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Decode a Fixed Memory32 descriptor
+ *
+ ******************************************************************************/
+
+void
+AcpiDmFixedMem32Descriptor (
+    ASL_FIXED_MEMORY_32_DESC *Resource,
+    UINT32                  Length,
+    UINT32                  Level)
+{
+
+    AcpiDmIndent (Level);
+    AcpiOsPrintf ("Memory32Fixed (%s, 0x%8.8X, 0x%8.8X)\n",
+        AcpiGbl_RWDecode [Resource->Information & 1],
+        Resource->BaseAddress,
+        Resource->RangeLength);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDmGenericRegisterDescriptor
+ *
+ * PARAMETERS:  Resource            - Pointer to the resource descriptor
+ *              Length              - Length of the descriptor in bytes
+ *              Level               - Current source code indentation level
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Decode a Generic Register descriptor
+ *
+ ******************************************************************************/
+
+void
+AcpiDmGenericRegisterDescriptor (
+    ASL_GENERAL_REGISTER_DESC *Resource,
+    UINT32                  Length,
+    UINT32                  Level)
+{
+
+    AcpiDmIndent (Level);
+    AcpiOsPrintf ("Register (");
+
+    AcpiDmAddressSpace (Resource->AddressSpaceId);
+
+    AcpiOsPrintf ("0x%2.2X, 0x%2.2X, 0x%8.8X%8.8X)\n",
+        (UINT32) Resource->BitWidth,
+        (UINT32) Resource->BitOffset,
+        ACPI_HIDWORD (ACPI_GET_ADDRESS (Resource->Address)),
+        ACPI_LODWORD (ACPI_GET_ADDRESS (Resource->Address)));
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDmInterruptDescriptor
+ *
+ * PARAMETERS:  Resource            - Pointer to the resource descriptor
+ *              Length              - Length of the descriptor in bytes
+ *              Level               - Current source code indentation level
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Decode a extended Interrupt descriptor
+ *
+ ******************************************************************************/
+
+void
+AcpiDmInterruptDescriptor (
+    ASL_EXTENDED_XRUPT_DESC *Resource,
+    UINT32                  Length,
+    UINT32                  Level)
+{
+    UINT32                  i;
+
+
+    AcpiDmIndent (Level);
+    AcpiOsPrintf ("Interrupt (%s, %s, %s, %s)\n",
+        AcpiGbl_ConsumeDecode [(Resource->Flags & 1)],
+        AcpiGbl_HEDecode [(Resource->Flags >> 1) & 1],
+        AcpiGbl_LLDecode [(Resource->Flags >> 2) & 1],
+        AcpiGbl_SHRDecode [(Resource->Flags >> 3) & 1]);
+
+    /* TBD "Resource Source, optional */
+
+    AcpiDmIndent (Level);
+    AcpiOsPrintf ("{\n");
+    for (i = 0; i < Resource->TableLength; i++)
+    {
+        AcpiDmIndent (Level + 1);
+        AcpiOsPrintf ("0x%8.8X,\n", (UINT32) Resource->InterruptNumber[i]);
+    }
+
+    AcpiDmIndent (Level);
+    AcpiOsPrintf ("}\n");
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDmVendorLargeDescriptor
+ *
+ * PARAMETERS:  Resource            - Pointer to the resource descriptor
+ *              Length              - Length of the descriptor in bytes
+ *              Level               - Current source code indentation level
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Decode a Vendor Large descriptor
+ *
+ ******************************************************************************/
+
+void
+AcpiDmVendorLargeDescriptor (
+    ASL_LARGE_VENDOR_DESC   *Resource,
+    UINT32                  Length,
+    UINT32                  Level)
+{
+
+    AcpiDmIndent (Level);
+    AcpiOsPrintf ("VendorLong ()\n");
+    AcpiDmIndent (Level);
+
+    AcpiOsPrintf ("{\n");
+
+    AcpiDmDisasmByteList (Level + 1, (UINT8 *) Resource->VendorDefined, Length);
+    AcpiDmIndent (Level);
+    AcpiOsPrintf ("}\n");
+}
+
+
+#endif
+
diff --git a/sys/contrib/dev/acpica/dmresrcs.c b/sys/contrib/dev/acpica/dmresrcs.c
new file mode 100644
index 0000000..a0ecee9
--- /dev/null
+++ b/sys/contrib/dev/acpica/dmresrcs.c
@@ -0,0 +1,352 @@
+/*******************************************************************************
+ *
+ * Module Name: dmresrcs.c - "Small" Resource Descriptor disassembly
+ *              $Revision: 3 $
+ *
+ ******************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+
+#include "acpi.h"
+#include "acdisasm.h"
+
+
+#ifdef ACPI_DISASSEMBLER
+
+#define _COMPONENT          ACPI_CA_DEBUGGER
+        ACPI_MODULE_NAME    ("dbresrcs")
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDmIrqDescriptor
+ *
+ * PARAMETERS:  Resource            - Pointer to the resource descriptor
+ *              Length              - Length of the descriptor in bytes
+ *              Level               - Current source code indentation level
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Decode a IRQ descriptor
+ *
+ ******************************************************************************/
+
+void
+AcpiDmIrqDescriptor (
+    ASL_IRQ_FORMAT_DESC     *Resource,
+    UINT32                  Length,
+    UINT32                  Level)
+{
+
+    AcpiDmIndent (Level);
+    AcpiOsPrintf ("%s (",
+        AcpiGbl_IrqDecode [Length & 1]);
+
+    if (Length & 1)
+    {
+        AcpiOsPrintf ("%s, %s, %s",
+            AcpiGbl_HEDecode [Resource->Flags & 1],
+            AcpiGbl_LLDecode [(Resource->Flags >> 3) & 1],
+            AcpiGbl_SHRDecode [(Resource->Flags >> 4) & 1]);
+    }
+
+    AcpiDmBitList (Resource->IrqMask);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDmDmaDescriptor
+ *
+ * PARAMETERS:  Resource            - Pointer to the resource descriptor
+ *              Length              - Length of the descriptor in bytes
+ *              Level               - Current source code indentation level
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Decode a DMA descriptor
+ *
+ ******************************************************************************/
+
+void
+AcpiDmDmaDescriptor (
+    ASL_DMA_FORMAT_DESC     *Resource,
+    UINT32                  Length,
+    UINT32                  Level)
+{
+
+    AcpiDmIndent (Level);
+    AcpiOsPrintf ("DMA (%s, %s, %s",
+            AcpiGbl_TYPDecode [(Resource->Flags >> 5) & 3],
+            AcpiGbl_BMDecode  [(Resource->Flags >> 2) & 1],
+            AcpiGbl_SIZDecode [(Resource->Flags >> 0) & 3]);
+
+    AcpiDmBitList (Resource->DmaChannelMask);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDmIoDescriptor
+ *
+ * PARAMETERS:  Resource            - Pointer to the resource descriptor
+ *              Length              - Length of the descriptor in bytes
+ *              Level               - Current source code indentation level
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Decode an IO descriptor
+ *
+ ******************************************************************************/
+
+void
+AcpiDmIoDescriptor (
+    ASL_IO_PORT_DESC        *Resource,
+    UINT32                  Length,
+    UINT32                  Level)
+{
+
+    AcpiDmIndent (Level);
+    AcpiOsPrintf ("IO (%s, 0x%4.4X, 0x%4.4X, 0x%2.2X, 0x%2.2X)\n",
+        AcpiGbl_IoDecode [(Resource->Information & 1)],
+        (UINT32) Resource->AddressMin,
+        (UINT32) Resource->AddressMax,
+        (UINT32) Resource->Alignment,
+        (UINT32) Resource->Length);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDmFixedIoDescriptor
+ *
+ * PARAMETERS:  Resource            - Pointer to the resource descriptor
+ *              Length              - Length of the descriptor in bytes
+ *              Level               - Current source code indentation level
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Decode a Fixed IO descriptor
+ *
+ ******************************************************************************/
+
+void
+AcpiDmFixedIoDescriptor (
+    ASL_FIXED_IO_PORT_DESC  *Resource,
+    UINT32                  Length,
+    UINT32                  Level)
+{
+
+    AcpiDmIndent (Level);
+    AcpiOsPrintf ("FixedIO (0x%4.4X, 0x%2.2X)\n",
+        (UINT32) Resource->BaseAddress,
+        (UINT32) Resource->Length);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDmStartDependentDescriptor
+ *
+ * PARAMETERS:  Resource            - Pointer to the resource descriptor
+ *              Length              - Length of the descriptor in bytes
+ *              Level               - Current source code indentation level
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Decode a Start Dependendent functions descriptor
+ *
+ ******************************************************************************/
+
+void
+AcpiDmStartDependentDescriptor (
+    ASL_START_DEPENDENT_DESC *Resource,
+    UINT32                  Length,
+    UINT32                  Level)
+{
+
+    AcpiDmIndent (Level);
+
+    if (Length & 1)
+    {
+        AcpiOsPrintf ("StartDependentFn (0x%2.2X, 0x%2.2X)\n",
+            (UINT32) Resource->Flags & 3,
+            (UINT32) (Resource->Flags >> 2) & 3);
+    }
+    else
+    {
+        AcpiOsPrintf ("StartDependentFnNoPri ()\n");
+    }
+
+    AcpiDmIndent (Level);
+    AcpiOsPrintf ("{\n");
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDmEndDependentDescriptor
+ *
+ * PARAMETERS:  Resource            - Pointer to the resource descriptor
+ *              Length              - Length of the descriptor in bytes
+ *              Level               - Current source code indentation level
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Decode an End Dependent functions descriptor
+ *
+ ******************************************************************************/
+
+void
+AcpiDmEndDependentDescriptor (
+    ASL_START_DEPENDENT_DESC *Resource,
+    UINT32                  Length,
+    UINT32                  Level)
+{
+
+    AcpiDmIndent (Level);
+    AcpiOsPrintf ("}\n");
+    AcpiDmIndent (Level);
+    AcpiOsPrintf ("EndDependentFn ()\n");
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDmVendorSmallDescriptor
+ *
+ * PARAMETERS:  Resource            - Pointer to the resource descriptor
+ *              Length              - Length of the descriptor in bytes
+ *              Level               - Current source code indentation level
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Decode a Vendor Small Descriptor
+ *
+ ******************************************************************************/
+
+void
+AcpiDmVendorSmallDescriptor (
+    ASL_SMALL_VENDOR_DESC   *Resource,
+    UINT32                  Length,
+    UINT32                  Level)
+{
+
+    AcpiDmIndent (Level);
+    AcpiOsPrintf ("VendorShort () {");
+
+    AcpiDmDisasmByteList (0, (UINT8 *) Resource->VendorDefined, Length);
+    AcpiOsPrintf ("}\n");
+}
+
+#endif
+
+
diff --git a/sys/contrib/dev/acpica/dmutils.c b/sys/contrib/dev/acpica/dmutils.c
new file mode 100644
index 0000000..add7780
--- /dev/null
+++ b/sys/contrib/dev/acpica/dmutils.c
@@ -0,0 +1,464 @@
+/*******************************************************************************
+ *
+ * Module Name: dmutils - AML disassembler utilities
+ *              $Revision: 5 $
+ *
+ ******************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+
+#include "acpi.h"
+#include "amlcode.h"
+#include "acdisasm.h"
+
+
+#ifdef ACPI_DISASSEMBLER
+
+#define _COMPONENT          ACPI_CA_DEBUGGER
+        ACPI_MODULE_NAME    ("dmutils")
+
+
+/* Data used in keeping track of fields */
+#if 0
+const NATIVE_CHAR               *AcpiGbl_FENames[NUM_FIELD_NAMES] =
+{
+    "skip",
+    "?access?"
+};              /* FE = Field Element */
+#endif
+
+
+const NATIVE_CHAR               *AcpiGbl_MatchOps[NUM_MATCH_OPS] =
+{
+    "MTR",
+    "MEQ",
+    "MLE",
+    "MLT",
+    "MGE",
+    "MGT"
+};
+
+
+/* Access type decoding */
+
+const NATIVE_CHAR               *AcpiGbl_AccessTypes[NUM_ACCESS_TYPES] =
+{
+    "AnyAcc",
+    "ByteAcc",
+    "WordAcc",
+    "DWordAcc",
+    "QWordAcc",
+    "BufferAcc",
+};
+
+
+/* Lock rule decoding */
+
+const NATIVE_CHAR               *AcpiGbl_LockRule[NUM_LOCK_RULES] =
+{
+    "NoLock",
+    "Lock"
+};
+
+/* Update rule decoding */
+
+const NATIVE_CHAR               *AcpiGbl_UpdateRules[NUM_UPDATE_RULES] =
+{
+    "Preserve",
+    "WriteAsOnes",
+    "WriteAsZeros"
+};
+
+/*
+ * Strings used to decode resource descriptors
+ */
+const char                      *AcpiGbl_IoDecode[2] =
+{
+    "Decode10",
+    "Decode16"
+};
+
+const char                      *AcpiGbl_WordDecode[4] =
+{
+    "WordMemory",
+    "WordIO",
+    "WordBusNumber",
+    "Unknown-resource-type"
+};
+
+const char                      *AcpiGbl_ConsumeDecode[2] =
+{
+    "ResourceProducer",
+    "ResourceConsumer"
+};
+
+const char                      *AcpiGbl_MinDecode[2] =
+{
+    "MinNotFixed",
+    "MinFixed"
+};
+
+const char                      *AcpiGbl_MaxDecode[2] =
+{
+    "MaxNotFixed",
+    "MaxFixed"
+};
+
+const char                      *AcpiGbl_DECDecode[2] =
+{
+    "PosDecode",
+    "SubDecode"
+};
+
+const char                      *AcpiGbl_RNGDecode[4] =
+{
+    "InvalidRanges",
+    "NonISAOnlyRanges",
+    "ISAOnlyRanges",
+    "EntireRange"
+};
+
+const char                      *AcpiGbl_MEMDecode[4] =
+{
+    "NonCacheable",
+    "Cacheable",
+    "WriteCombining",
+    "Prefetchable"
+};
+
+const char                      *AcpiGbl_RWDecode[2] =
+{
+    "ReadOnly",
+    "ReadWrite"
+};
+
+const char                      *AcpiGbl_IrqDecode[2] =
+{
+    "IRQNoFlags",
+    "IRQ"
+};
+
+const char                      *AcpiGbl_HEDecode[2] =
+{
+    "Level",
+    "Edge"
+};
+
+const char                      *AcpiGbl_LLDecode[2] =
+{
+    "ActiveHigh",
+    "ActiveLow"
+};
+
+const char                      *AcpiGbl_SHRDecode[2] =
+{
+    "Exclusive",
+    "Shared"
+};
+
+const char                      *AcpiGbl_TYPDecode[4] =
+{
+    "Compatibility",
+    "TypeA",
+    "TypeB",
+    "TypeF"
+};
+
+const char                      *AcpiGbl_BMDecode[2] =
+{
+    "NotBusMaster",
+    "BusMaster"
+};
+
+const char                      *AcpiGbl_SIZDecode[4] =
+{
+    "Transfer8",
+    "Transfer8_16",
+    "Transfer16",
+    "InvalidSize"
+};
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDmDecodeAttribute
+ *
+ * PARAMETERS:  Attribute       - Attribute field of AccessAs keyword
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Decode the AccessAs attribute byte.  (Mostly SMBus stuff)
+ *
+ ******************************************************************************/
+
+void
+AcpiDmDecodeAttribute (
+    UINT8                   Attribute)
+{
+
+    switch (Attribute)
+    {
+    case AML_FIELD_ATTRIB_SMB_QUICK:
+
+        AcpiOsPrintf ("SMBQuick");
+        break;
+
+    case AML_FIELD_ATTRIB_SMB_SEND_RCV:
+
+        AcpiOsPrintf ("SMBSendReceive");
+        break;
+
+    case AML_FIELD_ATTRIB_SMB_BYTE:
+
+        AcpiOsPrintf ("SMBByte");
+        break;
+
+    case AML_FIELD_ATTRIB_SMB_WORD:
+
+        AcpiOsPrintf ("SMBWord");
+        break;
+
+    case AML_FIELD_ATTRIB_SMB_WORD_CALL:
+
+        AcpiOsPrintf ("SMBProcessCall");
+        break;
+
+    case AML_FIELD_ATTRIB_SMB_BLOCK:
+
+        AcpiOsPrintf ("SMBBlock");
+        break;
+
+    case AML_FIELD_ATTRIB_SMB_BLOCK_CALL:
+
+        AcpiOsPrintf ("SMBBlockProcessCall");
+        break;
+
+    default:
+
+        AcpiOsPrintf ("0x%.2X", Attribute);
+        break;
+    }
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDmIndent
+ *
+ * PARAMETERS:  Level               - Current source code indentation level
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Indent 4 spaces per indentation level.
+ *
+ ******************************************************************************/
+
+void
+AcpiDmIndent (
+    UINT32                  Level)
+{
+
+    if (!Level)
+    {
+        return;
+    }
+
+    AcpiOsPrintf ("%*.s", ACPI_MUL_4 (Level), " ");
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDmCommaIfListMember
+ *
+ * PARAMETERS:  Op              - Current operator/operand
+ *
+ * RETURN:      TRUE if a comma was inserted
+ *
+ * DESCRIPTION: Insert a comma if this Op is a member of an argument list.
+ *
+ ******************************************************************************/
+
+BOOLEAN
+AcpiDmCommaIfListMember (
+    ACPI_PARSE_OBJECT       *Op)
+{
+
+    if (!Op->Common.Next)
+    {
+        return FALSE;
+    }
+
+    if (AcpiDmListType (Op->Common.Parent) & BLOCK_COMMA_LIST)
+    {
+        /* Check for a NULL target operand */
+
+        if ((Op->Common.Next->Common.AmlOpcode == AML_INT_NAMEPATH_OP) &&
+            (!Op->Common.Next->Common.Value.String))
+        {
+            /*
+             * To handle the Divide() case where there are two optional
+             * targets, look ahead one more op.  If null, this null target
+             * is the one and only target -- no comma needed.  Otherwise,
+             * we need a comma to prepare for the next target.
+             */
+            if (!Op->Common.Next->Common.Next)
+            {
+                return FALSE;
+            }
+        }
+
+        if ((Op->Common.DisasmFlags & ACPI_PARSEOP_PARAMLIST) &&
+            (!(Op->Common.Next->Common.DisasmFlags & ACPI_PARSEOP_PARAMLIST)))
+        {
+            return FALSE;
+        }
+
+        AcpiOsPrintf (", ");
+        return (TRUE);
+    }
+
+    else if ((Op->Common.DisasmFlags & ACPI_PARSEOP_PARAMLIST) &&
+             (Op->Common.Next->Common.DisasmFlags & ACPI_PARSEOP_PARAMLIST))
+    {
+        AcpiOsPrintf (", ");
+        return (TRUE);
+    }
+
+    return (FALSE);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDmCommaIfFieldMember
+ *
+ * PARAMETERS:  Op              - Current operator/operand
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Insert a comma if this Op is a member of a Field argument list.
+ *
+ ******************************************************************************/
+
+void
+AcpiDmCommaIfFieldMember (
+    ACPI_PARSE_OBJECT       *Op)
+{
+
+    if (Op->Common.Next)
+    {
+        AcpiOsPrintf (", ");
+    }
+}
+
+
+#endif
diff --git a/sys/contrib/dev/acpica/dmwalk.c b/sys/contrib/dev/acpica/dmwalk.c
new file mode 100644
index 0000000..2883a29
--- /dev/null
+++ b/sys/contrib/dev/acpica/dmwalk.c
@@ -0,0 +1,920 @@
+/*******************************************************************************
+ *
+ * Module Name: dmwalk - AML disassembly tree walk
+ *              $Revision: 8 $
+ *
+ ******************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+
+#include "acpi.h"
+#include "acparser.h"
+#include "amlcode.h"
+#include "acdisasm.h"
+#include "acdebug.h"
+
+
+#ifdef ACPI_DISASSEMBLER
+
+#define _COMPONENT          ACPI_CA_DEBUGGER
+        ACPI_MODULE_NAME    ("dmwalk")
+
+
+#define DB_FULL_OP_INFO     "%5.5X #%4.4hX "
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDmDisassemble
+ *
+ * PARAMETERS:  Origin          - Starting object
+ *              NumOpcodes      - Max number of opcodes to be displayed
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Disassemble parser object and its children.  This is the
+ *              main entry point of the disassembler.
+ *
+ ******************************************************************************/
+
+void
+AcpiDmDisassemble (
+    ACPI_WALK_STATE         *WalkState,
+    ACPI_PARSE_OBJECT       *Origin,
+    UINT32                  NumOpcodes)
+{
+    ACPI_PARSE_OBJECT       *Op = Origin;
+    ACPI_OP_WALK_INFO       Info;
+
+
+    if (!Op)
+    {
+        return;
+    }
+
+    Info.Level = 0;
+    AcpiDmWalkParseTree (Op, AcpiDmDescendingOp, AcpiDmAscendingOp, &Info);
+
+    return;
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDmWalkParseTree
+ *
+ * PARAMETERS:  DescendingCallback      - Called during tree descent
+ *              AscendingCallback       - Called during tree ascent
+ *              Context                 - To be passed to the callbacks
+ *
+ * RETURN:      Status from callback(s)
+ *
+ * DESCRIPTION: Walk the entire parse tree.
+ *
+ ******************************************************************************/
+
+void
+AcpiDmWalkParseTree (
+    ACPI_PARSE_OBJECT       *Op,
+    ASL_WALK_CALLBACK       DescendingCallback,
+    ASL_WALK_CALLBACK       AscendingCallback,
+    void                    *Context)
+{
+    BOOLEAN                 NodePreviouslyVisited;
+    ACPI_PARSE_OBJECT       *StartOp = Op;
+    ACPI_STATUS             Status;
+    ACPI_PARSE_OBJECT       *Next;
+    ACPI_OP_WALK_INFO       *Info = Context;
+
+
+    Info->Level = 0;
+    NodePreviouslyVisited = FALSE;
+
+    while (Op)
+    {
+        if (NodePreviouslyVisited)
+        {
+            Status = AscendingCallback (Op, Info->Level, Context);
+            if (ACPI_FAILURE (Status))
+            {
+                return;
+            }
+        }
+        else
+        {
+            /*
+             * Let the callback process the node.
+             */
+            Status = DescendingCallback (Op, Info->Level, Context);
+            if (ACPI_SUCCESS (Status))
+            {
+                /* Visit children first, once */
+
+                Next = AcpiPsGetArg (Op, 0);
+                if (Next)
+                {
+                    Info->Level++;
+                    Op = Next;
+                    continue;
+                }
+            }
+            else if (Status != AE_CTRL_DEPTH)
+            {
+                /* Exit immediately on any error */
+
+                return;
+            }
+        }
+
+        /* Terminate walk at start op */
+
+        if (Op == StartOp)
+        {
+            break;
+        }
+
+        /* No more children, re-visit this node */
+
+        if (!NodePreviouslyVisited)
+        {
+            NodePreviouslyVisited = TRUE;
+            continue;
+        }
+
+        /* No more children, visit peers */
+
+        if (Op->Common.Next)
+        {
+            Op = Op->Common.Next;
+            NodePreviouslyVisited = FALSE;
+        }
+        else
+        {
+            /* No peers, re-visit parent */
+
+            if (Info->Level != 0 )
+            {
+                Info->Level--;
+            }
+
+            Op = Op->Common.Parent;
+            NodePreviouslyVisited = TRUE;
+        }
+    }
+
+    /* If we get here, the walk completed with no errors */
+
+    return;
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDmBlockType
+ *
+ * PARAMETERS:  Op              - Object to be examined
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Type of block for this op (parens or braces)
+ *
+ ******************************************************************************/
+
+UINT32
+AcpiDmBlockType (
+    ACPI_PARSE_OBJECT       *Op)
+{
+    const ACPI_OPCODE_INFO  *OpInfo;
+
+
+    if (!Op)
+    {
+        return (BLOCK_NONE);
+    }
+
+    switch (Op->Common.AmlOpcode)
+    {
+    case AML_ELSE_OP:
+
+        return (BLOCK_BRACE);
+
+    case AML_METHOD_OP:
+    case AML_DEVICE_OP:
+    case AML_SCOPE_OP:
+    case AML_PROCESSOR_OP:
+    case AML_POWER_RES_OP:
+    case AML_THERMAL_ZONE_OP:
+    case AML_IF_OP:
+    case AML_WHILE_OP:
+    case AML_FIELD_OP:
+    case AML_INDEX_FIELD_OP:
+    case AML_BANK_FIELD_OP:
+
+        return (BLOCK_PAREN | BLOCK_BRACE);
+
+    case AML_BUFFER_OP:
+
+        if (Op->Common.DisasmOpcode == ACPI_DASM_UNICODE)
+        {
+            return (BLOCK_NONE);
+        }
+
+        /*lint -fallthrough */
+
+    case AML_PACKAGE_OP:
+    case AML_VAR_PACKAGE_OP:
+
+        return (BLOCK_PAREN | BLOCK_BRACE);
+
+    case AML_EVENT_OP:
+
+        return (BLOCK_PAREN);
+
+    default:
+
+        OpInfo = AcpiPsGetOpcodeInfo (Op->Common.AmlOpcode);
+        if (OpInfo->Flags & AML_HAS_ARGS)
+        {
+            return (BLOCK_PAREN);
+        }
+
+        return (BLOCK_NONE);
+    }
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDmListType
+ *
+ * PARAMETERS:  Op              - Object to be examined
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Type of block for this op (parens or braces)
+ *
+ ******************************************************************************/
+
+UINT32
+AcpiDmListType (
+    ACPI_PARSE_OBJECT       *Op)
+{
+    const ACPI_OPCODE_INFO  *OpInfo;
+
+
+    if (!Op)
+    {
+        return (BLOCK_NONE);
+    }
+
+    switch (Op->Common.AmlOpcode)
+    {
+
+    case AML_ELSE_OP:
+    case AML_METHOD_OP:
+    case AML_DEVICE_OP:
+    case AML_SCOPE_OP:
+    case AML_POWER_RES_OP:
+    case AML_PROCESSOR_OP:
+    case AML_THERMAL_ZONE_OP:
+    case AML_IF_OP:
+    case AML_WHILE_OP:
+    case AML_FIELD_OP:
+    case AML_INDEX_FIELD_OP:
+    case AML_BANK_FIELD_OP:
+
+        return (0);
+
+    case AML_BUFFER_OP:
+    case AML_PACKAGE_OP:
+    case AML_VAR_PACKAGE_OP:
+
+        return (BLOCK_COMMA_LIST);
+
+    default:
+
+        OpInfo = AcpiPsGetOpcodeInfo (Op->Common.AmlOpcode);
+        if (OpInfo->Flags & AML_HAS_ARGS)
+        {
+            return (BLOCK_COMMA_LIST);
+        }
+
+        return (BLOCK_NONE);
+    }
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDmDescendingOp
+ *
+ * PARAMETERS:  ASL_WALK_CALLBACK
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: First visitation of a parse object during tree descent.
+ *              Decode opcode name and begin parameter list(s), if any.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiDmDescendingOp (
+    ACPI_PARSE_OBJECT       *Op,
+    UINT32                  Level,
+    void                    *Context)
+{
+    ACPI_OP_WALK_INFO       *Info = Context;
+    const ACPI_OPCODE_INFO  *OpInfo;
+    UINT32                  Name;
+    ACPI_PARSE_OBJECT       *NextOp;
+
+
+    if (Op->Common.DisasmFlags & ACPI_PARSEOP_IGNORE)
+    {
+        /* Ignore this op -- it was handled elsewhere */
+
+        return (AE_CTRL_DEPTH);
+    }
+
+
+    if (Level == 0)
+    {
+        /* In verbose mode, print the AML offset, opcode and depth count */
+
+        VERBOSE_PRINT ((DB_FULL_OP_INFO, (UINT32) Op->Common.AmlOffset,
+                    Op->Common.AmlOpcode));
+
+        if (Op->Common.AmlOpcode == AML_SCOPE_OP)
+        {
+            AcpiOsPrintf ("{\n");
+            return (AE_OK);
+        }
+    }
+    else if ((AcpiDmBlockType (Op->Common.Parent) & BLOCK_BRACE) &&
+             (!(Op->Common.DisasmFlags & ACPI_PARSEOP_PARAMLIST)) &&
+             (Op->Common.AmlOpcode != AML_INT_BYTELIST_OP))
+    {
+            /* This is a first-level element of a term list, indent a new line */
+
+            AcpiDmIndent (Level);
+    }
+
+    /* Print the opcode name */
+
+    AcpiDmDisassembleOneOp (NULL, Info, Op);
+
+    if ((Op->Common.AmlOpcode == AML_NAME_OP) ||
+        (Op->Common.AmlOpcode == AML_RETURN_OP))
+    {
+        Info->Level--;
+    }
+
+    /*
+     * Start the opcode argument list if necessary
+     */
+    OpInfo = AcpiPsGetOpcodeInfo (Op->Common.AmlOpcode);
+
+    if ((OpInfo->Flags & AML_HAS_ARGS) ||
+        (Op->Common.AmlOpcode == AML_EVENT_OP))
+    {
+        /* This opcode has an argument list */
+
+        if (AcpiDmBlockType (Op) & BLOCK_PAREN)
+        {
+            AcpiOsPrintf (" (");
+        }
+
+        /*
+         * If this is a named opcode, print the associated name value
+         */
+        if (OpInfo->Flags & AML_NAMED)
+        {
+            switch (Op->Common.AmlOpcode)
+            {
+            case AML_ALIAS_OP:
+
+                NextOp = AcpiPsGetDepthNext (NULL, Op);
+                NextOp->Common.DisasmFlags |= ACPI_PARSEOP_IGNORE;
+                AcpiDmNamestring (NextOp->Common.Value.Name);
+                AcpiOsPrintf (", ");
+
+                /*lint -fallthrough */
+
+            default:
+
+                Name = AcpiPsGetName (Op);
+                if (Op->Named.Path)
+                {
+                    AcpiDmNamestring ((char *) Op->Named.Path);
+                }
+                else
+                {
+                    AcpiDmDumpName ((char *) &Name);
+                }
+
+
+                if (Op->Common.AmlOpcode != AML_INT_NAMEDFIELD_OP)
+                {
+                    AcpiDmValidateName ((char *) &Name, Op);
+                    if (AcpiGbl_DbOpt_verbose)
+                    {
+                        (void) AcpiPsDisplayObjectPathname (NULL, Op);
+                    }
+                }
+                break;
+            }
+
+            switch (Op->Common.AmlOpcode)
+            {
+            case AML_METHOD_OP:
+
+                AcpiDmMethodFlags (Op);
+                AcpiOsPrintf (")");
+                break;
+
+
+            case AML_NAME_OP:
+
+                /* Check for _HID and related EISAID() */
+
+                AcpiIsEisaId (Op);
+                AcpiOsPrintf (", ");
+                break;
+
+
+            case AML_REGION_OP:
+
+                AcpiDmRegionFlags (Op);
+                break;
+
+
+            case AML_POWER_RES_OP:
+
+                /* Mark the next two Ops as part of the parameter list */
+
+                AcpiOsPrintf (", ");
+                NextOp = AcpiPsGetDepthNext (NULL, Op);
+                NextOp->Common.DisasmFlags |= ACPI_PARSEOP_PARAMLIST;
+
+                NextOp = NextOp->Common.Next;
+                NextOp->Common.DisasmFlags |= ACPI_PARSEOP_PARAMLIST;
+                return (AE_OK);
+
+
+            case AML_PROCESSOR_OP:
+
+                /* Mark the next three Ops as part of the parameter list */
+
+                AcpiOsPrintf (", ");
+                NextOp = AcpiPsGetDepthNext (NULL, Op);
+                NextOp->Common.DisasmFlags |= ACPI_PARSEOP_PARAMLIST;
+
+                NextOp = NextOp->Common.Next;
+                NextOp->Common.DisasmFlags |= ACPI_PARSEOP_PARAMLIST;
+
+                NextOp = NextOp->Common.Next;
+                NextOp->Common.DisasmFlags |= ACPI_PARSEOP_PARAMLIST;
+                return (AE_OK);
+
+
+            case AML_MUTEX_OP:
+
+                AcpiOsPrintf (", ");
+                return (AE_OK);
+
+
+            case AML_EVENT_OP:
+            case AML_ALIAS_OP:
+
+                return (AE_OK);
+
+
+            case AML_SCOPE_OP:
+            case AML_DEVICE_OP:
+            case AML_THERMAL_ZONE_OP:
+
+                AcpiOsPrintf (")");
+                break;
+
+
+            default:
+
+                AcpiOsPrintf ("*** Unhandled named opcode\n");
+                break;
+            }
+        }
+
+        else switch (Op->Common.AmlOpcode)
+        {
+        case AML_FIELD_OP:
+        case AML_BANK_FIELD_OP:
+        case AML_INDEX_FIELD_OP:
+
+            Info->BitOffset = 0;
+
+            /* Name of the parent OperationRegion */
+
+            NextOp = AcpiPsGetDepthNext (NULL, Op);
+            AcpiDmNamestring (NextOp->Common.Value.Name);
+            AcpiOsPrintf (", ");
+            NextOp->Common.DisasmFlags |= ACPI_PARSEOP_IGNORE;
+
+            switch (Op->Common.AmlOpcode)
+            {
+            case AML_BANK_FIELD_OP:
+
+                /* Namestring */
+
+                NextOp = AcpiPsGetDepthNext (NULL, NextOp);
+                AcpiDmNamestring (NextOp->Common.Value.Name);
+                NextOp->Common.DisasmFlags |= ACPI_PARSEOP_IGNORE;
+                AcpiOsPrintf (", ");
+
+
+                NextOp = NextOp->Common.Next;
+                AcpiDmDisassembleOneOp (NULL, Info, NextOp);
+                NextOp->Common.DisasmFlags |= ACPI_PARSEOP_IGNORE;
+                AcpiOsPrintf (", ");
+                break;
+
+            case AML_INDEX_FIELD_OP:
+
+                /* Namestring */
+
+                NextOp = AcpiPsGetDepthNext (NULL, NextOp);
+                AcpiDmNamestring (NextOp->Common.Value.Name);
+                AcpiOsPrintf (", ");
+                NextOp->Common.DisasmFlags |= ACPI_PARSEOP_IGNORE;
+                break;
+
+            default:
+
+                break;
+            }
+
+            AcpiDmFieldFlags (NextOp);
+            break;
+
+
+        case AML_BUFFER_OP:
+
+            /* The next op is the size parameter */
+
+            NextOp = AcpiPsGetDepthNext (NULL, Op);
+            if (!NextOp)
+            {
+                /* Single-step support */
+
+                return (AE_OK);
+            }
+
+            if (Op->Common.DisasmOpcode == ACPI_DASM_RESOURCE)
+            {
+                /*
+                 * We have a resource list.  Don't need to output
+                 * the buffer size Op.  Open up a new block
+                 */
+                NextOp->Common.DisasmFlags |= ACPI_PARSEOP_IGNORE;
+                NextOp = NextOp->Common.Next;
+                AcpiOsPrintf (")\n");
+                AcpiDmIndent (Info->Level);
+                AcpiOsPrintf ("{\n");
+                return (AE_OK);
+            }
+
+            /* Normal Buffer, mark size as in the parameter list */
+
+            NextOp->Common.DisasmFlags |= ACPI_PARSEOP_PARAMLIST;
+            return (AE_OK);
+
+
+        case AML_VAR_PACKAGE_OP:
+        case AML_IF_OP:
+        case AML_WHILE_OP:
+
+            /* The next op is the size or predicate parameter */
+
+            NextOp = AcpiPsGetDepthNext (NULL, Op);
+            if (NextOp)
+            {
+                NextOp->Common.DisasmFlags |= ACPI_PARSEOP_PARAMLIST;
+            }
+            return (AE_OK);
+
+
+        case AML_PACKAGE_OP:
+
+            /* The next op is the size or predicate parameter */
+
+            NextOp = AcpiPsGetDepthNext (NULL, Op);
+            if (NextOp)
+            {
+                NextOp->Common.DisasmFlags |= ACPI_PARSEOP_PARAMLIST;
+            }
+            return (AE_OK);
+
+
+        case AML_MATCH_OP:
+
+            AcpiDmMatchOp (Op);
+            break;
+
+
+        default:
+
+            break;
+        }
+
+        if (AcpiDmBlockType (Op) & BLOCK_BRACE)
+        {
+            AcpiOsPrintf ("\n");
+            AcpiDmIndent (Level);
+            AcpiOsPrintf ("{\n");
+        }
+    }
+
+    return (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDmAscendingOp
+ *
+ * PARAMETERS:  ASL_WALK_CALLBACK
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Second visitation of a parse object, during ascent of parse
+ *              tree.  Close out any parameter lists and complete the opcode.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiDmAscendingOp (
+    ACPI_PARSE_OBJECT       *Op,
+    UINT32                  Level,
+    void                    *Context)
+{
+    ACPI_OP_WALK_INFO       *Info = Context;
+
+
+    if (Op->Common.DisasmFlags & ACPI_PARSEOP_IGNORE)
+    {
+        /* Ignore this op -- it was handled elsewhere */
+
+        return (AE_OK);
+    }
+
+    if ((Level == 0) && (Op->Common.AmlOpcode == AML_SCOPE_OP))
+    {
+        /* Indicates the end of the current descriptor block (table) */
+
+        AcpiOsPrintf ("}\n\n");
+        return (AE_OK);
+    }
+
+    switch (AcpiDmBlockType (Op))
+    {
+    case BLOCK_PAREN:
+
+        /* Completed an op that has arguments, add closing paren */
+
+        AcpiOsPrintf (")");
+
+        /* Could be a nested operator, check if comma required */
+
+        if (!AcpiDmCommaIfListMember (Op))
+        {
+            if ((AcpiDmBlockType (Op->Common.Parent) & BLOCK_BRACE) &&
+                     (!(Op->Common.DisasmFlags & ACPI_PARSEOP_PARAMLIST)) &&
+                     (Op->Common.AmlOpcode != AML_INT_BYTELIST_OP))
+            {
+                /* This is a first-level element of a term list, start a new line */
+
+                AcpiOsPrintf ("\n");
+            }
+        }
+        break;
+
+
+    case BLOCK_BRACE:
+    case (BLOCK_BRACE | BLOCK_PAREN):
+
+        /* Completed an op that has a term list, add closing brace */
+
+        if (Op->Common.DisasmFlags & ACPI_PARSEOP_EMPTY_TERMLIST)
+        {
+            AcpiOsPrintf ("}");
+        }
+        else
+        {
+            AcpiDmIndent (Level);
+            AcpiOsPrintf ("}");
+        }
+
+        AcpiDmCommaIfListMember (Op);
+
+        if (AcpiDmBlockType (Op->Common.Parent) != BLOCK_PAREN)
+        {
+            AcpiOsPrintf ("\n");
+            if (!(Op->Common.DisasmFlags & ACPI_PARSEOP_EMPTY_TERMLIST))
+            {
+                if ((Op->Common.AmlOpcode == AML_IF_OP)  &&
+                    (Op->Common.Next) &&
+                    (Op->Common.Next->Common.AmlOpcode == AML_ELSE_OP))
+                {
+                    break;
+                }
+
+                if ((AcpiDmBlockType (Op->Common.Parent) & BLOCK_BRACE) &&
+                    (!Op->Common.Next))
+                {
+                    break;
+                }
+                AcpiOsPrintf ("\n");
+            }
+        }
+        break;
+
+
+    case BLOCK_NONE:
+    default:
+
+        /* Could be a nested operator, check if comma required */
+
+        if (!AcpiDmCommaIfListMember (Op))
+        {
+            if ((AcpiDmBlockType (Op->Common.Parent) & BLOCK_BRACE) &&
+                     (!(Op->Common.DisasmFlags & ACPI_PARSEOP_PARAMLIST)) &&
+                     (Op->Common.AmlOpcode != AML_INT_BYTELIST_OP))
+            {
+                /* This is a first-level element of a term list, start a new line */
+
+                AcpiOsPrintf ("\n");
+            }
+        }
+        else if (Op->Common.Parent)
+        {
+            switch (Op->Common.Parent->Common.AmlOpcode)
+            {
+            case AML_PACKAGE_OP:
+            case AML_VAR_PACKAGE_OP:
+
+                if (!(Op->Common.DisasmFlags & ACPI_PARSEOP_PARAMLIST))
+                {
+                    AcpiOsPrintf ("\n");
+                }
+                break;
+
+            default:
+
+                break;
+            }
+        }
+        break;
+    }
+
+    if (Op->Common.DisasmFlags & ACPI_PARSEOP_PARAMLIST)
+    {
+        if ((Op->Common.Next) &&
+            (Op->Common.Next->Common.DisasmFlags & ACPI_PARSEOP_PARAMLIST))
+        {
+            return (AE_OK);
+        }
+
+        /*
+         * Just completed a parameter node for something like "Buffer (param)".
+         * Close the paren and open up the term list block with a brace
+         */
+        if (Op->Common.Next)
+        {
+            AcpiOsPrintf (")\n");
+            AcpiDmIndent (Level - 1);
+            AcpiOsPrintf ("{\n");
+        }
+        else
+        {
+            Op->Common.Parent->Common.DisasmFlags |= ACPI_PARSEOP_EMPTY_TERMLIST;
+            AcpiOsPrintf (") {");
+        }
+    }
+
+    if ((Op->Common.AmlOpcode == AML_NAME_OP) ||
+        (Op->Common.AmlOpcode == AML_RETURN_OP))
+    {
+        Info->Level++;
+    }
+    return (AE_OK);
+}
+
+
+#endif  /* ACPI_DISASSEMBLER */
diff --git a/sys/contrib/dev/acpica/dsfield.c b/sys/contrib/dev/acpica/dsfield.c
new file mode 100644
index 0000000..13c7bb2
--- /dev/null
+++ b/sys/contrib/dev/acpica/dsfield.c
@@ -0,0 +1,698 @@
+/******************************************************************************
+ *
+ * Module Name: dsfield - Dispatcher field routines
+ *              $Revision: 69 $
+ *
+ *****************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+#define __DSFIELD_C__
+
+#include "acpi.h"
+#include "amlcode.h"
+#include "acdispat.h"
+#include "acinterp.h"
+#include "acnamesp.h"
+#include "acparser.h"
+
+
+#define _COMPONENT          ACPI_DISPATCHER
+        ACPI_MODULE_NAME    ("dsfield")
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDsCreateBufferField
+ *
+ * PARAMETERS:  Opcode              - The opcode to be executed
+ *              Operands            - List of operands for the opcode
+ *              WalkState           - Current state
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Execute the CreateField operators:
+ *              CreateBitFieldOp,
+ *              CreateByteFieldOp,
+ *              CreateWordFieldOp,
+ *              CreateDWordFieldOp,
+ *              CreateQWordFieldOp,
+ *              CreateFieldOp       (all of which define fields in buffers)
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiDsCreateBufferField (
+    ACPI_PARSE_OBJECT       *Op,
+    ACPI_WALK_STATE         *WalkState)
+{
+    ACPI_PARSE_OBJECT       *Arg;
+    ACPI_NAMESPACE_NODE     *Node;
+    ACPI_STATUS             Status;
+    ACPI_OPERAND_OBJECT     *ObjDesc;
+    ACPI_OPERAND_OBJECT     *SecondDesc = NULL;
+    UINT32                  Flags;
+
+
+    ACPI_FUNCTION_TRACE ("DsCreateBufferField");
+
+
+    /* Get the NameString argument */
+
+    if (Op->Common.AmlOpcode == AML_CREATE_FIELD_OP)
+    {
+        Arg = AcpiPsGetArg (Op, 3);
+    }
+    else
+    {
+        /* Create Bit/Byte/Word/Dword field */
+
+        Arg = AcpiPsGetArg (Op, 2);
+    }
+
+    if (!Arg)
+    {
+        return_ACPI_STATUS (AE_AML_NO_OPERAND);
+    }
+
+    /*
+     * During the load phase, we want to enter the name of the field into
+     * the namespace.  During the execute phase (when we evaluate the size
+     * operand), we want to lookup the name
+     */
+    if (WalkState->ParseFlags & ACPI_PARSE_EXECUTE)
+    {
+        Flags = ACPI_NS_NO_UPSEARCH | ACPI_NS_DONT_OPEN_SCOPE;
+    }
+    else
+    {
+        Flags = ACPI_NS_NO_UPSEARCH | ACPI_NS_DONT_OPEN_SCOPE | ACPI_NS_ERROR_IF_FOUND;
+    }
+
+    /*
+     * Enter the NameString into the namespace
+     */
+    Status = AcpiNsLookup (WalkState->ScopeInfo, Arg->Common.Value.String,
+                            ACPI_TYPE_ANY, ACPI_IMODE_LOAD_PASS1,
+                            Flags, WalkState, &(Node));
+    if (ACPI_FAILURE (Status))
+    {
+        ACPI_REPORT_NSERROR (Arg->Common.Value.String, Status);
+        return_ACPI_STATUS (Status);
+    }
+
+    /* We could put the returned object (Node) on the object stack for later, but
+     * for now, we will put it in the "op" object that the parser uses, so we
+     * can get it again at the end of this scope
+     */
+    Op->Common.Node = Node;
+
+    /*
+     * If there is no object attached to the node, this node was just created and
+     * we need to create the field object.  Otherwise, this was a lookup of an
+     * existing node and we don't want to create the field object again.
+     */
+    ObjDesc = AcpiNsGetAttachedObject (Node);
+    if (ObjDesc)
+    {
+        return_ACPI_STATUS (AE_OK);
+    }
+
+    /*
+     * The Field definition is not fully parsed at this time.
+     * (We must save the address of the AML for the buffer and index operands)
+     */
+
+    /* Create the buffer field object */
+
+    ObjDesc = AcpiUtCreateInternalObject (ACPI_TYPE_BUFFER_FIELD);
+    if (!ObjDesc)
+    {
+        Status = AE_NO_MEMORY;
+        goto Cleanup;
+    }
+
+    /*
+     * Remember location in AML stream of the field unit
+     * opcode and operands -- since the buffer and index
+     * operands must be evaluated.
+     */
+    SecondDesc                  = ObjDesc->Common.NextObject;
+    SecondDesc->Extra.AmlStart  = Op->Named.Data;
+    SecondDesc->Extra.AmlLength = Op->Named.Length;
+    ObjDesc->BufferField.Node   = Node;
+
+    /* Attach constructed field descriptors to parent node */
+
+    Status = AcpiNsAttachObject (Node, ObjDesc, ACPI_TYPE_BUFFER_FIELD);
+    if (ACPI_FAILURE (Status))
+    {
+        goto Cleanup;
+    }
+
+
+Cleanup:
+
+    /* Remove local reference to the object */
+
+    AcpiUtRemoveReference (ObjDesc);
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDsGetFieldNames
+ *
+ * PARAMETERS:  Info            - CreateField info structure
+ *  `           WalkState       - Current method state
+ *              Arg             - First parser arg for the field name list
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Process all named fields in a field declaration.  Names are
+ *              entered into the namespace.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiDsGetFieldNames (
+    ACPI_CREATE_FIELD_INFO  *Info,
+    ACPI_WALK_STATE         *WalkState,
+    ACPI_PARSE_OBJECT       *Arg)
+{
+    ACPI_STATUS             Status;
+    ACPI_INTEGER            Position;
+
+
+    ACPI_FUNCTION_TRACE_PTR ("DsGetFieldNames", Info);
+
+
+    /* First field starts at bit zero */
+
+    Info->FieldBitPosition = 0;
+
+    /* Process all elements in the field list (of parse nodes) */
+
+    while (Arg)
+    {
+        /*
+         * Three types of field elements are handled:
+         * 1) Offset - specifies a bit offset
+         * 2) AccessAs - changes the access mode
+         * 3) Name - Enters a new named field into the namespace
+         */
+        switch (Arg->Common.AmlOpcode)
+        {
+        case AML_INT_RESERVEDFIELD_OP:
+
+            Position = (ACPI_INTEGER) Info->FieldBitPosition
+                        + (ACPI_INTEGER) Arg->Common.Value.Size;
+
+            if (Position > ACPI_UINT32_MAX)
+            {
+                ACPI_REPORT_ERROR (("Bit offset within field too large (> 0xFFFFFFFF)\n"));
+                return_ACPI_STATUS (AE_SUPPORT);
+            }
+
+            Info->FieldBitPosition = (UINT32) Position;
+            break;
+
+
+        case AML_INT_ACCESSFIELD_OP:
+
+            /*
+             * Get a new AccessType and AccessAttribute -- to be used for all
+             * field units that follow, until field end or another AccessAs keyword.
+             *
+             * In FieldFlags, preserve the flag bits other than the ACCESS_TYPE bits
+             */
+            Info->FieldFlags = (UINT8) ((Info->FieldFlags & ~(AML_FIELD_ACCESS_TYPE_MASK)) |
+                                        ((UINT8) (Arg->Common.Value.Integer32 >> 8)));
+
+            Info->Attribute = (UINT8) (Arg->Common.Value.Integer32);
+            break;
+
+
+        case AML_INT_NAMEDFIELD_OP:
+
+            /* Lookup the name */
+
+            Status = AcpiNsLookup (WalkState->ScopeInfo,
+                            (NATIVE_CHAR *) &Arg->Named.Name,
+                            Info->FieldType, ACPI_IMODE_EXECUTE, ACPI_NS_DONT_OPEN_SCOPE,
+                            WalkState, &Info->FieldNode);
+            if (ACPI_FAILURE (Status))
+            {
+                ACPI_REPORT_NSERROR ((char *) &Arg->Named.Name, Status);
+                if (Status != AE_ALREADY_EXISTS)
+                {
+                    return_ACPI_STATUS (Status);
+                }
+
+                /* Already exists, ignore error */
+            }
+            else
+            {
+                Arg->Common.Node = Info->FieldNode;
+                Info->FieldBitLength = Arg->Common.Value.Size;
+
+                /* Create and initialize an object for the new Field Node */
+
+                Status = AcpiExPrepFieldValue (Info);
+                if (ACPI_FAILURE (Status))
+                {
+                    return_ACPI_STATUS (Status);
+                }
+            }
+
+            /* Keep track of bit position for the next field */
+
+            Position = (ACPI_INTEGER) Info->FieldBitPosition
+                        + (ACPI_INTEGER) Arg->Common.Value.Size;
+
+            if (Position > ACPI_UINT32_MAX)
+            {
+                ACPI_REPORT_ERROR (("Field [%4.4s] bit offset too large (> 0xFFFFFFFF)\n",
+                        (char *) &Info->FieldNode->Name));
+                return_ACPI_STATUS (AE_SUPPORT);
+            }
+
+            Info->FieldBitPosition += Info->FieldBitLength;
+            break;
+
+
+        default:
+
+            ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Invalid opcode in field list: %X\n",
+                Arg->Common.AmlOpcode));
+            return_ACPI_STATUS (AE_AML_BAD_OPCODE);
+        }
+
+        Arg = Arg->Common.Next;
+    }
+
+    return_ACPI_STATUS (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDsCreateField
+ *
+ * PARAMETERS:  Op              - Op containing the Field definition and args
+ *              RegionNode      - Object for the containing Operation Region
+ *  `           WalkState       - Current method state
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Create a new field in the specified operation region
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiDsCreateField (
+    ACPI_PARSE_OBJECT       *Op,
+    ACPI_NAMESPACE_NODE     *RegionNode,
+    ACPI_WALK_STATE         *WalkState)
+{
+    ACPI_STATUS             Status;
+    ACPI_PARSE_OBJECT       *Arg;
+    ACPI_CREATE_FIELD_INFO  Info;
+
+
+    ACPI_FUNCTION_TRACE_PTR ("DsCreateField", Op);
+
+
+    /* First arg is the name of the parent OpRegion (must already exist) */
+
+    Arg = Op->Common.Value.Arg;
+    if (!RegionNode)
+    {
+        Status = AcpiNsLookup (WalkState->ScopeInfo, Arg->Common.Value.Name,
+                        ACPI_TYPE_REGION, ACPI_IMODE_EXECUTE,
+                        ACPI_NS_SEARCH_PARENT, WalkState, &RegionNode);
+        if (ACPI_FAILURE (Status))
+        {
+            ACPI_REPORT_NSERROR (Arg->Common.Value.Name, Status);
+            return_ACPI_STATUS (Status);
+        }
+    }
+
+    /* Second arg is the field flags */
+
+    Arg = Arg->Common.Next;
+    Info.FieldFlags = Arg->Common.Value.Integer8;
+    Info.Attribute = 0;
+
+    /* Each remaining arg is a Named Field */
+
+    Info.FieldType = ACPI_TYPE_LOCAL_REGION_FIELD;
+    Info.RegionNode = RegionNode;
+
+    Status = AcpiDsGetFieldNames (&Info, WalkState, Arg->Common.Next);
+
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDsInitFieldObjects
+ *
+ * PARAMETERS:  Op              - Op containing the Field definition and args
+ *  `           WalkState       - Current method state
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: For each "Field Unit" name in the argument list that is
+ *              part of the field declaration, enter the name into the
+ *              namespace.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiDsInitFieldObjects (
+    ACPI_PARSE_OBJECT       *Op,
+    ACPI_WALK_STATE         *WalkState)
+{
+    ACPI_STATUS             Status;
+    ACPI_PARSE_OBJECT       *Arg = NULL;
+    ACPI_NAMESPACE_NODE     *Node;
+    UINT8                   Type = 0;
+
+
+    ACPI_FUNCTION_TRACE_PTR ("DsInitFieldObjects", Op);
+
+
+    switch (WalkState->Opcode)
+    {
+    case AML_FIELD_OP:
+        Arg = AcpiPsGetArg (Op, 2);
+        Type = ACPI_TYPE_LOCAL_REGION_FIELD;
+        break;
+
+    case AML_BANK_FIELD_OP:
+        Arg = AcpiPsGetArg (Op, 4);
+        Type = ACPI_TYPE_LOCAL_BANK_FIELD;
+        break;
+
+    case AML_INDEX_FIELD_OP:
+        Arg = AcpiPsGetArg (Op, 3);
+        Type = ACPI_TYPE_LOCAL_INDEX_FIELD;
+        break;
+
+    default:
+        return_ACPI_STATUS (AE_BAD_PARAMETER);
+    }
+
+    /*
+     * Walk the list of entries in the FieldList
+     */
+    while (Arg)
+    {
+        /* Ignore OFFSET and ACCESSAS terms here */
+
+        if (Arg->Common.AmlOpcode == AML_INT_NAMEDFIELD_OP)
+        {
+            Status = AcpiNsLookup (WalkState->ScopeInfo,
+                            (NATIVE_CHAR *) &Arg->Named.Name,
+                            Type, ACPI_IMODE_LOAD_PASS1,
+                            ACPI_NS_NO_UPSEARCH | ACPI_NS_DONT_OPEN_SCOPE | ACPI_NS_ERROR_IF_FOUND,
+                            WalkState, &Node);
+            if (ACPI_FAILURE (Status))
+            {
+                ACPI_REPORT_NSERROR ((char *) &Arg->Named.Name, Status);
+                if (Status != AE_ALREADY_EXISTS)
+                {
+                    return_ACPI_STATUS (Status);
+                }
+
+                /* Name already exists, just ignore this error */
+
+                Status = AE_OK;
+            }
+
+            Arg->Common.Node = Node;
+        }
+
+        /* Move to next field in the list */
+
+        Arg = Arg->Common.Next;
+    }
+
+    return_ACPI_STATUS (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDsCreateBankField
+ *
+ * PARAMETERS:  Op              - Op containing the Field definition and args
+ *              RegionNode      - Object for the containing Operation Region
+ *  `           WalkState       - Current method state
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Create a new bank field in the specified operation region
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiDsCreateBankField (
+    ACPI_PARSE_OBJECT       *Op,
+    ACPI_NAMESPACE_NODE     *RegionNode,
+    ACPI_WALK_STATE         *WalkState)
+{
+    ACPI_STATUS             Status;
+    ACPI_PARSE_OBJECT       *Arg;
+    ACPI_CREATE_FIELD_INFO  Info;
+
+
+    ACPI_FUNCTION_TRACE_PTR ("DsCreateBankField", Op);
+
+
+    /* First arg is the name of the parent OpRegion (must already exist) */
+
+    Arg = Op->Common.Value.Arg;
+    if (!RegionNode)
+    {
+        Status = AcpiNsLookup (WalkState->ScopeInfo, Arg->Common.Value.Name,
+                        ACPI_TYPE_REGION, ACPI_IMODE_EXECUTE,
+                        ACPI_NS_SEARCH_PARENT, WalkState, &RegionNode);
+        if (ACPI_FAILURE (Status))
+        {
+            ACPI_REPORT_NSERROR (Arg->Common.Value.Name, Status);
+            return_ACPI_STATUS (Status);
+        }
+    }
+
+    /* Second arg is the Bank Register (Field) (must already exist) */
+
+    Arg = Arg->Common.Next;
+    Status = AcpiNsLookup (WalkState->ScopeInfo, Arg->Common.Value.String,
+                    ACPI_TYPE_ANY, ACPI_IMODE_EXECUTE,
+                    ACPI_NS_SEARCH_PARENT, WalkState, &Info.RegisterNode);
+    if (ACPI_FAILURE (Status))
+    {
+        ACPI_REPORT_NSERROR (Arg->Common.Value.String, Status);
+        return_ACPI_STATUS (Status);
+    }
+
+    /* Third arg is the BankValue */
+
+    Arg = Arg->Common.Next;
+    Info.BankValue = Arg->Common.Value.Integer32;
+
+    /* Fourth arg is the field flags */
+
+    Arg = Arg->Common.Next;
+    Info.FieldFlags = Arg->Common.Value.Integer8;
+
+    /* Each remaining arg is a Named Field */
+
+    Info.FieldType = ACPI_TYPE_LOCAL_BANK_FIELD;
+    Info.RegionNode = RegionNode;
+
+    Status = AcpiDsGetFieldNames (&Info, WalkState, Arg->Common.Next);
+
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDsCreateIndexField
+ *
+ * PARAMETERS:  Op              - Op containing the Field definition and args
+ *              RegionNode      - Object for the containing Operation Region
+ *  `           WalkState       - Current method state
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Create a new index field in the specified operation region
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiDsCreateIndexField (
+    ACPI_PARSE_OBJECT       *Op,
+    ACPI_NAMESPACE_NODE     *RegionNode,
+    ACPI_WALK_STATE         *WalkState)
+{
+    ACPI_STATUS             Status;
+    ACPI_PARSE_OBJECT       *Arg;
+    ACPI_CREATE_FIELD_INFO  Info;
+
+
+    ACPI_FUNCTION_TRACE_PTR ("DsCreateIndexField", Op);
+
+
+    /* First arg is the name of the Index register (must already exist) */
+
+    Arg = Op->Common.Value.Arg;
+    Status = AcpiNsLookup (WalkState->ScopeInfo, Arg->Common.Value.String,
+                    ACPI_TYPE_ANY, ACPI_IMODE_EXECUTE,
+                    ACPI_NS_SEARCH_PARENT, WalkState, &Info.RegisterNode);
+    if (ACPI_FAILURE (Status))
+    {
+        ACPI_REPORT_NSERROR (Arg->Common.Value.String, Status);
+        return_ACPI_STATUS (Status);
+    }
+
+    /* Second arg is the data register (must already exist) */
+
+    Arg = Arg->Common.Next;
+    Status = AcpiNsLookup (WalkState->ScopeInfo, Arg->Common.Value.String,
+                    ACPI_TYPE_ANY, ACPI_IMODE_EXECUTE,
+                    ACPI_NS_SEARCH_PARENT, WalkState, &Info.DataRegisterNode);
+    if (ACPI_FAILURE (Status))
+    {
+        ACPI_REPORT_NSERROR (Arg->Common.Value.String, Status);
+        return_ACPI_STATUS (Status);
+    }
+
+    /* Next arg is the field flags */
+
+    Arg = Arg->Common.Next;
+    Info.FieldFlags = Arg->Common.Value.Integer8;
+
+    /* Each remaining arg is a Named Field */
+
+    Info.FieldType = ACPI_TYPE_LOCAL_INDEX_FIELD;
+    Info.RegionNode = RegionNode;
+
+    Status = AcpiDsGetFieldNames (&Info, WalkState, Arg->Common.Next);
+
+    return_ACPI_STATUS (Status);
+}
+
+
diff --git a/sys/contrib/dev/acpica/dsmethod.c b/sys/contrib/dev/acpica/dsmethod.c
new file mode 100644
index 0000000..9676539
--- /dev/null
+++ b/sys/contrib/dev/acpica/dsmethod.c
@@ -0,0 +1,649 @@
+/******************************************************************************
+ *
+ * Module Name: dsmethod - Parser/Interpreter interface - control method parsing
+ *              $Revision: 89 $
+ *
+ *****************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+#define __DSMETHOD_C__
+
+#include "acpi.h"
+#include "acparser.h"
+#include "amlcode.h"
+#include "acdispat.h"
+#include "acinterp.h"
+#include "acnamesp.h"
+
+
+#define _COMPONENT          ACPI_DISPATCHER
+        ACPI_MODULE_NAME    ("dsmethod")
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDsParseMethod
+ *
+ * PARAMETERS:  ObjHandle       - Node of the method
+ *              Level           - Current nesting level
+ *              Context         - Points to a method counter
+ *              ReturnValue     - Not used
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Call the parser and parse the AML that is
+ *              associated with the method.
+ *
+ * MUTEX:       Assumes parser is locked
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiDsParseMethod (
+    ACPI_HANDLE             ObjHandle)
+{
+    ACPI_STATUS             Status;
+    ACPI_OPERAND_OBJECT     *ObjDesc;
+    ACPI_PARSE_OBJECT       *Op;
+    ACPI_NAMESPACE_NODE     *Node;
+    ACPI_OWNER_ID           OwnerId;
+    ACPI_WALK_STATE         *WalkState;
+
+
+    ACPI_FUNCTION_TRACE_PTR ("DsParseMethod", ObjHandle);
+
+
+    /* Parameter Validation */
+
+    if (!ObjHandle)
+    {
+        return_ACPI_STATUS (AE_NULL_ENTRY);
+    }
+
+    ACPI_DEBUG_PRINT ((ACPI_DB_PARSE, "**** Parsing [%4.4s] **** NamedObj=%p\n",
+        ((ACPI_NAMESPACE_NODE *) ObjHandle)->Name.Ascii, ObjHandle));
+
+    /* Extract the method object from the method Node */
+
+    Node = (ACPI_NAMESPACE_NODE *) ObjHandle;
+    ObjDesc = AcpiNsGetAttachedObject (Node);
+    if (!ObjDesc)
+    {
+        return_ACPI_STATUS (AE_NULL_OBJECT);
+    }
+
+    /* Create a mutex for the method if there is a concurrency limit */
+
+    if ((ObjDesc->Method.Concurrency != INFINITE_CONCURRENCY) &&
+        (!ObjDesc->Method.Semaphore))
+    {
+        Status = AcpiOsCreateSemaphore (ObjDesc->Method.Concurrency,
+                                        ObjDesc->Method.Concurrency,
+                                        &ObjDesc->Method.Semaphore);
+        if (ACPI_FAILURE (Status))
+        {
+            return_ACPI_STATUS (Status);
+        }
+    }
+
+    /*
+     * Allocate a new parser op to be the root of the parsed
+     * method tree
+     */
+    Op = AcpiPsAllocOp (AML_METHOD_OP);
+    if (!Op)
+    {
+        return_ACPI_STATUS (AE_NO_MEMORY);
+    }
+
+    /* Init new op with the method name and pointer back to the Node */
+
+    AcpiPsSetName (Op, Node->Name.Integer);
+    Op->Common.Node = Node;
+
+    /*
+     * Get a new OwnerId for objects created by this method.  Namespace
+     * objects (such as Operation Regions) can be created during the
+     * first pass parse.
+     */
+    OwnerId = AcpiUtAllocateOwnerId (ACPI_OWNER_TYPE_METHOD);
+    ObjDesc->Method.OwningId = OwnerId;
+
+    /* Create and initialize a new walk state */
+
+    WalkState = AcpiDsCreateWalkState (OwnerId, NULL, NULL, NULL);
+    if (!WalkState)
+    {
+        return_ACPI_STATUS (AE_NO_MEMORY);
+    }
+
+    Status = AcpiDsInitAmlWalk (WalkState, Op, Node, ObjDesc->Method.AmlStart,
+                    ObjDesc->Method.AmlLength, NULL, NULL, 1);
+    if (ACPI_FAILURE (Status))
+    {
+        AcpiDsDeleteWalkState (WalkState);
+        return_ACPI_STATUS (Status);
+    }
+
+    /*
+     * Parse the method, first pass
+     *
+     * The first pass load is where newly declared named objects are
+     * added into the namespace.  Actual evaluation of
+     * the named objects (what would be called a "second
+     * pass") happens during the actual execution of the
+     * method so that operands to the named objects can
+     * take on dynamic run-time values.
+     */
+    Status = AcpiPsParseAml (WalkState);
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    ACPI_DEBUG_PRINT ((ACPI_DB_PARSE,
+        "**** [%4.4s] Parsed **** NamedObj=%p Op=%p\n",
+        ((ACPI_NAMESPACE_NODE *) ObjHandle)->Name.Ascii, ObjHandle, Op));
+
+    AcpiPsDeleteParseTree (Op);
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDsBeginMethodExecution
+ *
+ * PARAMETERS:  MethodNode          - Node of the method
+ *              ObjDesc             - The method object
+ *              CallingMethodNode   - Caller of this method (if non-null)
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Prepare a method for execution.  Parses the method if necessary,
+ *              increments the thread count, and waits at the method semaphore
+ *              for clearance to execute.
+ *
+ * MUTEX:       Locks/unlocks parser.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiDsBeginMethodExecution (
+    ACPI_NAMESPACE_NODE     *MethodNode,
+    ACPI_OPERAND_OBJECT     *ObjDesc,
+    ACPI_NAMESPACE_NODE     *CallingMethodNode)
+{
+    ACPI_STATUS             Status = AE_OK;
+
+
+    ACPI_FUNCTION_TRACE_PTR ("DsBeginMethodExecution", MethodNode);
+
+
+    if (!MethodNode)
+    {
+        return_ACPI_STATUS (AE_NULL_ENTRY);
+    }
+
+    /*
+     * If there is a concurrency limit on this method, we need to
+     * obtain a unit from the method semaphore.
+     */
+    if (ObjDesc->Method.Semaphore)
+    {
+        /*
+         * Allow recursive method calls, up to the reentrancy/concurrency
+         * limit imposed by the SERIALIZED rule and the SyncLevel method
+         * parameter.
+         *
+         * The point of this code is to avoid permanently blocking a
+         * thread that is making recursive method calls.
+         */
+        if (MethodNode == CallingMethodNode)
+        {
+            if (ObjDesc->Method.ThreadCount >= ObjDesc->Method.Concurrency)
+            {
+                return_ACPI_STATUS (AE_AML_METHOD_LIMIT);
+            }
+        }
+
+        /*
+         * Get a unit from the method semaphore. This releases the
+         * interpreter if we block
+         */
+        Status = AcpiExSystemWaitSemaphore (ObjDesc->Method.Semaphore,
+                                            ACPI_WAIT_FOREVER);
+    }
+
+    /*
+     * Increment the method parse tree thread count since it has been
+     * reentered one more time (even if it is the same thread)
+     */
+    ObjDesc->Method.ThreadCount++;
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDsCallControlMethod
+ *
+ * PARAMETERS:  WalkState           - Current state of the walk
+ *              Op                  - Current Op to be walked
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Transfer execution to a called control method
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiDsCallControlMethod (
+    ACPI_THREAD_STATE       *Thread,
+    ACPI_WALK_STATE         *ThisWalkState,
+    ACPI_PARSE_OBJECT       *Op)
+{
+    ACPI_STATUS             Status;
+    ACPI_NAMESPACE_NODE     *MethodNode;
+    ACPI_OPERAND_OBJECT     *ObjDesc;
+    ACPI_WALK_STATE         *NextWalkState;
+    UINT32                  i;
+
+
+    ACPI_FUNCTION_TRACE_PTR ("DsCallControlMethod", ThisWalkState);
+
+    ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, "Execute method %p, currentstate=%p\n",
+        ThisWalkState->PrevOp, ThisWalkState));
+
+    /*
+     * Get the namespace entry for the control method we are about to call
+     */
+    MethodNode = ThisWalkState->MethodCallNode;
+    if (!MethodNode)
+    {
+        return_ACPI_STATUS (AE_NULL_ENTRY);
+    }
+
+    ObjDesc = AcpiNsGetAttachedObject (MethodNode);
+    if (!ObjDesc)
+    {
+        return_ACPI_STATUS (AE_NULL_OBJECT);
+    }
+
+    /* Init for new method, wait on concurrency semaphore */
+
+    Status = AcpiDsBeginMethodExecution (MethodNode, ObjDesc,
+                    ThisWalkState->MethodNode);
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    /* 1) Parse: Create a new walk state for the preempting walk */
+
+    NextWalkState = AcpiDsCreateWalkState (ObjDesc->Method.OwningId,
+                                            Op, ObjDesc, NULL);
+    if (!NextWalkState)
+    {
+        return_ACPI_STATUS (AE_NO_MEMORY);
+    }
+
+    /* Create and init a Root Node */
+
+    Op = AcpiPsCreateScopeOp ();
+    if (!Op)
+    {
+        Status = AE_NO_MEMORY;
+        goto Cleanup;
+    }
+
+    Status = AcpiDsInitAmlWalk (NextWalkState, Op, MethodNode,
+                    ObjDesc->Method.AmlStart,  ObjDesc->Method.AmlLength,
+                    NULL, NULL, 1);
+    if (ACPI_FAILURE (Status))
+    {
+        AcpiDsDeleteWalkState (NextWalkState);
+        goto Cleanup;
+    }
+
+    /* Begin AML parse */
+
+    Status = AcpiPsParseAml (NextWalkState);
+    AcpiPsDeleteParseTree (Op);
+
+    /* 2) Execute: Create a new state for the preempting walk */
+
+    NextWalkState = AcpiDsCreateWalkState (ObjDesc->Method.OwningId,
+                                            NULL, ObjDesc, Thread);
+    if (!NextWalkState)
+    {
+        Status = AE_NO_MEMORY;
+        goto Cleanup;
+    }
+
+    /*
+     * The resolved arguments were put on the previous walk state's operand
+     * stack.  Operands on the previous walk state stack always
+     * start at index 0.
+     * Null terminate the list of arguments
+     */
+    ThisWalkState->Operands [ThisWalkState->NumOperands] = NULL;
+
+    Status = AcpiDsInitAmlWalk (NextWalkState, NULL, MethodNode,
+                    ObjDesc->Method.AmlStart, ObjDesc->Method.AmlLength,
+                    &ThisWalkState->Operands[0], NULL, 3);
+    if (ACPI_FAILURE (Status))
+    {
+        goto Cleanup;
+    }
+
+    /*
+     * Delete the operands on the previous walkstate operand stack
+     * (they were copied to new objects)
+     */
+    for (i = 0; i < ObjDesc->Method.ParamCount; i++)
+    {
+        AcpiUtRemoveReference (ThisWalkState->Operands [i]);
+        ThisWalkState->Operands [i] = NULL;
+    }
+
+    /* Clear the operand stack */
+
+    ThisWalkState->NumOperands = 0;
+
+    ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH,
+        "Starting nested execution, newstate=%p\n", NextWalkState));
+
+    return_ACPI_STATUS (AE_OK);
+
+
+    /* On error, we must delete the new walk state */
+
+Cleanup:
+    (void) AcpiDsTerminateControlMethod (NextWalkState);
+    AcpiDsDeleteWalkState (NextWalkState);
+    return_ACPI_STATUS (Status);
+
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDsRestartControlMethod
+ *
+ * PARAMETERS:  WalkState           - State of the method when it was preempted
+ *              Op                  - Pointer to new current op
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Restart a method that was preempted
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiDsRestartControlMethod (
+    ACPI_WALK_STATE         *WalkState,
+    ACPI_OPERAND_OBJECT     *ReturnDesc)
+{
+    ACPI_STATUS             Status;
+
+
+    ACPI_FUNCTION_TRACE_PTR ("DsRestartControlMethod", WalkState);
+
+
+    if (ReturnDesc)
+    {
+        if (WalkState->ReturnUsed)
+        {
+            /*
+             * Get the return value (if any) from the previous method.
+             * NULL if no return value
+             */
+            Status = AcpiDsResultPush (ReturnDesc, WalkState);
+            if (ACPI_FAILURE (Status))
+            {
+                AcpiUtRemoveReference (ReturnDesc);
+                return_ACPI_STATUS (Status);
+            }
+        }
+        else
+        {
+            /*
+             * Delete the return value if it will not be used by the
+             * calling method
+             */
+            AcpiUtRemoveReference (ReturnDesc);
+        }
+    }
+
+    ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH,
+        "Method=%p Return=%p ReturnUsed?=%X ResStack=%p State=%p\n",
+        WalkState->MethodCallOp, ReturnDesc, WalkState->ReturnUsed,
+        WalkState->Results, WalkState));
+
+    return_ACPI_STATUS (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDsTerminateControlMethod
+ *
+ * PARAMETERS:  WalkState           - State of the method
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Terminate a control method.  Delete everything that the method
+ *              created, delete all locals and arguments, and delete the parse
+ *              tree if requested.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiDsTerminateControlMethod (
+    ACPI_WALK_STATE         *WalkState)
+{
+    ACPI_OPERAND_OBJECT     *ObjDesc;
+    ACPI_NAMESPACE_NODE     *MethodNode;
+    ACPI_STATUS             Status;
+
+
+    ACPI_FUNCTION_TRACE_PTR ("DsTerminateControlMethod", WalkState);
+
+
+    if (!WalkState)
+    {
+        return (AE_BAD_PARAMETER);
+    }
+
+    /* The current method object was saved in the walk state */
+
+    ObjDesc = WalkState->MethodDesc;
+    if (!ObjDesc)
+    {
+        return_ACPI_STATUS (AE_OK);
+    }
+
+    /* Delete all arguments and locals */
+
+    AcpiDsMethodDataDeleteAll (WalkState);
+
+    /*
+     * Lock the parser while we terminate this method.
+     * If this is the last thread executing the method,
+     * we have additional cleanup to perform
+     */
+    Status = AcpiUtAcquireMutex (ACPI_MTX_PARSER);
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    /* Signal completion of the execution of this method if necessary */
+
+    if (WalkState->MethodDesc->Method.Semaphore)
+    {
+        Status = AcpiOsSignalSemaphore (
+                        WalkState->MethodDesc->Method.Semaphore, 1);
+        if (ACPI_FAILURE (Status))
+        {
+            ACPI_REPORT_ERROR (("Could not signal method semaphore\n"));
+            Status = AE_OK;
+
+            /* Ignore error and continue cleanup */
+        }
+    }
+
+    /* Decrement the thread count on the method parse tree */
+
+    WalkState->MethodDesc->Method.ThreadCount--;
+    if (!WalkState->MethodDesc->Method.ThreadCount)
+    {
+        /*
+         * There are no more threads executing this method.  Perform
+         * additional cleanup.
+         *
+         * The method Node is stored in the walk state
+         */
+        MethodNode = WalkState->MethodNode;
+
+        /*
+         * Delete any namespace entries created immediately underneath
+         * the method
+         */
+        Status = AcpiUtAcquireMutex (ACPI_MTX_NAMESPACE);
+        if (ACPI_FAILURE (Status))
+        {
+            return_ACPI_STATUS (Status);
+        }
+
+        if (MethodNode->Child)
+        {
+            AcpiNsDeleteNamespaceSubtree (MethodNode);
+        }
+
+        /*
+         * Delete any namespace entries created anywhere else within
+         * the namespace
+         */
+        AcpiNsDeleteNamespaceByOwner (WalkState->MethodDesc->Method.OwningId);
+        Status = AcpiUtReleaseMutex (ACPI_MTX_NAMESPACE);
+        if (ACPI_FAILURE (Status))
+        {
+            return_ACPI_STATUS (Status);
+        }
+    }
+
+    Status = AcpiUtReleaseMutex (ACPI_MTX_PARSER);
+    return_ACPI_STATUS (Status);
+}
+
+
diff --git a/sys/contrib/dev/acpica/dsmthdat.c b/sys/contrib/dev/acpica/dsmthdat.c
new file mode 100644
index 0000000..301cadb
--- /dev/null
+++ b/sys/contrib/dev/acpica/dsmthdat.c
@@ -0,0 +1,763 @@
+/*******************************************************************************
+ *
+ * Module Name: dsmthdat - control method arguments and local variables
+ *              $Revision: 64 $
+ *
+ ******************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+#define __DSMTHDAT_C__
+
+#include "acpi.h"
+#include "acdispat.h"
+#include "amlcode.h"
+#include "acnamesp.h"
+
+
+#define _COMPONENT          ACPI_DISPATCHER
+        ACPI_MODULE_NAME    ("dsmthdat")
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDsMethodDataInit
+ *
+ * PARAMETERS:  WalkState           - Current walk state object
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Initialize the data structures that hold the method's arguments
+ *              and locals.  The data struct is an array of NTEs for each.
+ *              This allows RefOf and DeRefOf to work properly for these
+ *              special data types.
+ *
+ * NOTES:       WalkState fields are initialized to zero by the
+ *              ACPI_MEM_CALLOCATE().
+ *
+ *              A pseudo-Namespace Node is assigned to each argument and local
+ *              so that RefOf() can return a pointer to the Node.
+ *
+ ******************************************************************************/
+
+void
+AcpiDsMethodDataInit (
+    ACPI_WALK_STATE         *WalkState)
+{
+    UINT32                  i;
+
+
+    ACPI_FUNCTION_TRACE ("DsMethodDataInit");
+
+
+    /* Init the method arguments */
+
+    for (i = 0; i < MTH_NUM_ARGS; i++)
+    {
+        ACPI_MOVE_UNALIGNED32_TO_32 (&WalkState->Arguments[i].Name,
+                                NAMEOF_ARG_NTE);
+        WalkState->Arguments[i].Name.Integer |= (i << 24);
+        WalkState->Arguments[i].Descriptor    = ACPI_DESC_TYPE_NAMED;
+        WalkState->Arguments[i].Type          = ACPI_TYPE_ANY;
+        WalkState->Arguments[i].Flags         = ANOBJ_END_OF_PEER_LIST | ANOBJ_METHOD_ARG;
+    }
+
+    /* Init the method locals */
+
+    for (i = 0; i < MTH_NUM_LOCALS; i++)
+    {
+        ACPI_MOVE_UNALIGNED32_TO_32 (&WalkState->LocalVariables[i].Name,
+                                NAMEOF_LOCAL_NTE);
+
+        WalkState->LocalVariables[i].Name.Integer |= (i << 24);
+        WalkState->LocalVariables[i].Descriptor    = ACPI_DESC_TYPE_NAMED;
+        WalkState->LocalVariables[i].Type          = ACPI_TYPE_ANY;
+        WalkState->LocalVariables[i].Flags         = ANOBJ_END_OF_PEER_LIST | ANOBJ_METHOD_LOCAL;
+    }
+
+    return_VOID;
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDsMethodDataDeleteAll
+ *
+ * PARAMETERS:  WalkState           - Current walk state object
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Delete method locals and arguments.  Arguments are only
+ *              deleted if this method was called from another method.
+ *
+ ******************************************************************************/
+
+void
+AcpiDsMethodDataDeleteAll (
+    ACPI_WALK_STATE         *WalkState)
+{
+    UINT32                  Index;
+
+
+    ACPI_FUNCTION_TRACE ("DsMethodDataDeleteAll");
+
+
+    /* Detach the locals */
+
+    for (Index = 0; Index < MTH_NUM_LOCALS; Index++)
+    {
+        if (WalkState->LocalVariables[Index].Object)
+        {
+            ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Deleting Local%d=%p\n",
+                    Index, WalkState->LocalVariables[Index].Object));
+
+            /* Detach object (if present) and remove a reference */
+
+            AcpiNsDetachObject (&WalkState->LocalVariables[Index]);
+        }
+    }
+
+    /* Detach the arguments */
+
+    for (Index = 0; Index < MTH_NUM_ARGS; Index++)
+    {
+        if (WalkState->Arguments[Index].Object)
+        {
+            ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Deleting Arg%d=%p\n",
+                    Index, WalkState->Arguments[Index].Object));
+
+            /* Detach object (if present) and remove a reference */
+
+            AcpiNsDetachObject (&WalkState->Arguments[Index]);
+        }
+    }
+
+    return_VOID;
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDsMethodDataInitArgs
+ *
+ * PARAMETERS:  *Params         - Pointer to a parameter list for the method
+ *              MaxParamCount   - The arg count for this method
+ *              WalkState       - Current walk state object
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Initialize arguments for a method.  The parameter list is a list
+ *              of ACPI operand objects, either null terminated or whose length
+ *              is defined by MaxParamCount.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiDsMethodDataInitArgs (
+    ACPI_OPERAND_OBJECT     **Params,
+    UINT32                  MaxParamCount,
+    ACPI_WALK_STATE         *WalkState)
+{
+    ACPI_STATUS             Status;
+    UINT32                  Index = 0;
+
+
+    ACPI_FUNCTION_TRACE_PTR ("DsMethodDataInitArgs", Params);
+
+
+    if (!Params)
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "No param list passed to method\n"));
+        return_ACPI_STATUS (AE_OK);
+    }
+
+    /* Copy passed parameters into the new method stack frame  */
+
+    while ((Index < MTH_NUM_ARGS) && (Index < MaxParamCount) && Params[Index])
+    {
+        /*
+         * A valid parameter.
+         * Store the argument in the method/walk descriptor
+         */
+        Status = AcpiDsStoreObjectToLocal (AML_ARG_OP, Index, Params[Index],
+                                            WalkState);
+        if (ACPI_FAILURE (Status))
+        {
+            return_ACPI_STATUS (Status);
+        }
+
+        Index++;
+    }
+
+    ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "%d args passed to method\n", Index));
+    return_ACPI_STATUS (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDsMethodDataGetNode
+ *
+ * PARAMETERS:  Opcode              - Either AML_LOCAL_OP or AML_ARG_OP
+ *              Index               - Which localVar or argument whose type
+ *                                      to get
+ *              WalkState           - Current walk state object
+ *
+ * RETURN:      Get the Node associated with a local or arg.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiDsMethodDataGetNode (
+    UINT16                  Opcode,
+    UINT32                  Index,
+    ACPI_WALK_STATE         *WalkState,
+    ACPI_NAMESPACE_NODE     **Node)
+{
+    ACPI_FUNCTION_TRACE ("DsMethodDataGetNode");
+
+
+    /*
+     * Method Locals and Arguments are supported
+     */
+    switch (Opcode)
+    {
+    case AML_LOCAL_OP:
+
+        if (Index > MTH_MAX_LOCAL)
+        {
+            ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Local index %d is invalid (max %d)\n",
+                Index, MTH_MAX_LOCAL));
+            return_ACPI_STATUS (AE_AML_INVALID_INDEX);
+        }
+
+        /* Return a pointer to the pseudo-node */
+
+        *Node = &WalkState->LocalVariables[Index];
+        break;
+
+    case AML_ARG_OP:
+
+        if (Index > MTH_MAX_ARG)
+        {
+            ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Arg index %d is invalid (max %d)\n",
+                Index, MTH_MAX_ARG));
+            return_ACPI_STATUS (AE_AML_INVALID_INDEX);
+        }
+
+        /* Return a pointer to the pseudo-node */
+
+        *Node = &WalkState->Arguments[Index];
+        break;
+
+    default:
+        ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Opcode %d is invalid\n", Opcode));
+        return_ACPI_STATUS (AE_AML_BAD_OPCODE);
+    }
+
+    return_ACPI_STATUS (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDsMethodDataSetValue
+ *
+ * PARAMETERS:  Opcode              - Either AML_LOCAL_OP or AML_ARG_OP
+ *              Index               - Which localVar or argument to get
+ *              Object              - Object to be inserted into the stack entry
+ *              WalkState           - Current walk state object
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Insert an object onto the method stack at entry Opcode:Index.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiDsMethodDataSetValue (
+    UINT16                  Opcode,
+    UINT32                  Index,
+    ACPI_OPERAND_OBJECT     *Object,
+    ACPI_WALK_STATE         *WalkState)
+{
+    ACPI_STATUS             Status;
+    ACPI_NAMESPACE_NODE     *Node;
+
+
+    ACPI_FUNCTION_TRACE ("DsMethodDataSetValue");
+
+
+    /* Get the namespace node for the arg/local */
+
+    Status = AcpiDsMethodDataGetNode (Opcode, Index, WalkState, &Node);
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    /* Increment ref count so object can't be deleted while installed */
+
+    AcpiUtAddReference (Object);
+
+    /* Install the object into the stack entry */
+
+    Node->Object = Object;
+    return_ACPI_STATUS (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDsMethodDataGetType
+ *
+ * PARAMETERS:  Opcode              - Either AML_LOCAL_OP or AML_ARG_OP
+ *              Index               - Which localVar or argument whose type
+ *                                      to get
+ *              WalkState           - Current walk state object
+ *
+ * RETURN:      Data type of current value of the selected Arg or Local
+ *
+ ******************************************************************************/
+
+ACPI_OBJECT_TYPE
+AcpiDsMethodDataGetType (
+    UINT16                  Opcode,
+    UINT32                  Index,
+    ACPI_WALK_STATE         *WalkState)
+{
+    ACPI_STATUS             Status;
+    ACPI_NAMESPACE_NODE     *Node;
+    ACPI_OPERAND_OBJECT     *Object;
+
+
+    ACPI_FUNCTION_TRACE ("DsMethodDataGetType");
+
+
+    /* Get the namespace node for the arg/local */
+
+    Status = AcpiDsMethodDataGetNode (Opcode, Index, WalkState, &Node);
+    if (ACPI_FAILURE (Status))
+    {
+        return_VALUE ((ACPI_TYPE_NOT_FOUND));
+    }
+
+    /* Get the object */
+
+    Object = AcpiNsGetAttachedObject (Node);
+    if (!Object)
+    {
+        /* Uninitialized local/arg, return TYPE_ANY */
+
+        return_VALUE (ACPI_TYPE_ANY);
+    }
+
+    /* Get the object type */
+
+    return_VALUE (ACPI_GET_OBJECT_TYPE (Object));
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDsMethodDataGetValue
+ *
+ * PARAMETERS:  Opcode              - Either AML_LOCAL_OP or AML_ARG_OP
+ *              Index               - Which localVar or argument to get
+ *              WalkState           - Current walk state object
+ *              *DestDesc           - Ptr to Descriptor into which selected Arg
+ *                                    or Local value should be copied
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Retrieve value of selected Arg or Local from the method frame
+ *              at the current top of the method stack.
+ *              Used only in AcpiExResolveToValue().
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiDsMethodDataGetValue (
+    UINT16                  Opcode,
+    UINT32                  Index,
+    ACPI_WALK_STATE         *WalkState,
+    ACPI_OPERAND_OBJECT     **DestDesc)
+{
+    ACPI_STATUS             Status;
+    ACPI_NAMESPACE_NODE     *Node;
+    ACPI_OPERAND_OBJECT     *Object;
+
+
+    ACPI_FUNCTION_TRACE ("DsMethodDataGetValue");
+
+
+    /* Validate the object descriptor */
+
+    if (!DestDesc)
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Null object descriptor pointer\n"));
+        return_ACPI_STATUS (AE_BAD_PARAMETER);
+    }
+
+    /* Get the namespace node for the arg/local */
+
+    Status = AcpiDsMethodDataGetNode (Opcode, Index, WalkState, &Node);
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    /* Get the object from the node */
+
+    Object = Node->Object;
+
+    /* Examine the returned object, it must be valid. */
+
+    if (!Object)
+    {
+        /*
+         * Index points to uninitialized object.
+         * This means that either 1) The expected argument was
+         * not passed to the method, or 2) A local variable
+         * was referenced by the method (via the ASL)
+         * before it was initialized.  Either case is an error.
+         */
+        switch (Opcode)
+        {
+        case AML_ARG_OP:
+
+            ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Uninitialized Arg[%d] at node %p\n",
+                Index, Node));
+
+            return_ACPI_STATUS (AE_AML_UNINITIALIZED_ARG);
+
+        case AML_LOCAL_OP:
+
+            ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Uninitialized Local[%d] at node %p\n",
+                Index, Node));
+
+            return_ACPI_STATUS (AE_AML_UNINITIALIZED_LOCAL);
+
+        default:
+            return_ACPI_STATUS (AE_AML_INTERNAL);
+        }
+    }
+
+    /*
+     * The Index points to an initialized and valid object.
+     * Return an additional reference to the object
+     */
+    *DestDesc = Object;
+    AcpiUtAddReference (Object);
+
+    return_ACPI_STATUS (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDsMethodDataDeleteValue
+ *
+ * PARAMETERS:  Opcode              - Either AML_LOCAL_OP or AML_ARG_OP
+ *              Index               - Which localVar or argument to delete
+ *              WalkState           - Current walk state object
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Delete the entry at Opcode:Index on the method stack.  Inserts
+ *              a null into the stack slot after the object is deleted.
+ *
+ ******************************************************************************/
+
+void
+AcpiDsMethodDataDeleteValue (
+    UINT16                  Opcode,
+    UINT32                  Index,
+    ACPI_WALK_STATE         *WalkState)
+{
+    ACPI_STATUS             Status;
+    ACPI_NAMESPACE_NODE     *Node;
+    ACPI_OPERAND_OBJECT     *Object;
+
+
+    ACPI_FUNCTION_TRACE ("DsMethodDataDeleteValue");
+
+
+    /* Get the namespace node for the arg/local */
+
+    Status = AcpiDsMethodDataGetNode (Opcode, Index, WalkState, &Node);
+    if (ACPI_FAILURE (Status))
+    {
+        return_VOID;
+    }
+
+    /* Get the associated object */
+
+    Object = AcpiNsGetAttachedObject (Node);
+
+    /*
+     * Undefine the Arg or Local by setting its descriptor
+     * pointer to NULL. Locals/Args can contain both
+     * ACPI_OPERAND_OBJECTS and ACPI_NAMESPACE_NODEs
+     */
+    Node->Object = NULL;
+
+    if ((Object) &&
+        (ACPI_GET_DESCRIPTOR_TYPE (Object) == ACPI_DESC_TYPE_OPERAND))
+    {
+        /*
+         * There is a valid object.
+         * Decrement the reference count by one to balance the
+         * increment when the object was stored.
+         */
+        AcpiUtRemoveReference (Object);
+    }
+
+    return_VOID;
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDsStoreObjectToLocal
+ *
+ * PARAMETERS:  Opcode              - Either AML_LOCAL_OP or AML_ARG_OP
+ *              Index               - Which localVar or argument to set
+ *              ObjDesc             - Value to be stored
+ *              WalkState           - Current walk state
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Store a value in an Arg or Local.  The ObjDesc is installed
+ *              as the new value for the Arg or Local and the reference count
+ *              for ObjDesc is incremented.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiDsStoreObjectToLocal (
+    UINT16                  Opcode,
+    UINT32                  Index,
+    ACPI_OPERAND_OBJECT     *ObjDesc,
+    ACPI_WALK_STATE         *WalkState)
+{
+    ACPI_STATUS             Status;
+    ACPI_NAMESPACE_NODE     *Node;
+    ACPI_OPERAND_OBJECT     *CurrentObjDesc;
+
+
+    ACPI_FUNCTION_TRACE ("DsStoreObjectToLocal");
+    ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Opcode=%d Idx=%d Obj=%p\n",
+        Opcode, Index, ObjDesc));
+
+
+    /* Parameter validation */
+
+    if (!ObjDesc)
+    {
+        return_ACPI_STATUS (AE_BAD_PARAMETER);
+    }
+
+    /* Get the namespace node for the arg/local */
+
+    Status = AcpiDsMethodDataGetNode (Opcode, Index, WalkState, &Node);
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    CurrentObjDesc = AcpiNsGetAttachedObject (Node);
+    if (CurrentObjDesc == ObjDesc)
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Obj=%p already installed!\n", ObjDesc));
+        return_ACPI_STATUS (Status);
+    }
+
+    /*
+     * If there is an object already in this slot, we either
+     * have to delete it, or if this is an argument and there
+     * is an object reference stored there, we have to do
+     * an indirect store!
+     */
+    if (CurrentObjDesc)
+    {
+        /*
+         * Check for an indirect store if an argument
+         * contains an object reference (stored as an Node).
+         * We don't allow this automatic dereferencing for
+         * locals, since a store to a local should overwrite
+         * anything there, including an object reference.
+         *
+         * If both Arg0 and Local0 contain RefOf (Local4):
+         *
+         * Store (1, Arg0)             - Causes indirect store to local4
+         * Store (1, Local0)           - Stores 1 in local0, overwriting
+         *                                  the reference to local4
+         * Store (1, DeRefof (Local0)) - Causes indirect store to local4
+         *
+         * Weird, but true.
+         */
+        if (Opcode == AML_ARG_OP)
+        {
+            /* 
+             * Make sure that the object is the correct type.  This may be overkill, but
+             * it is here because references were NS nodes in the past.  Now they are
+             * operand objects of type Reference.
+             */
+            if (ACPI_GET_DESCRIPTOR_TYPE (CurrentObjDesc) != ACPI_DESC_TYPE_OPERAND)
+            {
+                ACPI_REPORT_ERROR (("Invalid descriptor type while storing to method arg: %X\n", 
+                    CurrentObjDesc->Common.Type));
+                return_ACPI_STATUS (AE_AML_INTERNAL);
+            }
+
+            /* 
+             * If we have a valid reference object that came from RefOf(), do the
+             * indirect store
+             */
+            if ((CurrentObjDesc->Common.Type == ACPI_TYPE_LOCAL_REFERENCE) &&
+                (CurrentObjDesc->Reference.Opcode == AML_REF_OF_OP))
+            {
+                ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
+                    "Arg (%p) is an ObjRef(Node), storing in node %p\n",
+                    ObjDesc, CurrentObjDesc));
+
+                /* Detach an existing object from the referenced Node */
+
+                AcpiNsDetachObject (CurrentObjDesc->Reference.Object);
+
+                /*
+                 * Store this object into the Node
+                 * (perform the indirect store)
+                 */
+                Status = AcpiNsAttachObject (CurrentObjDesc->Reference.Object,
+                                ObjDesc, ACPI_GET_OBJECT_TYPE (ObjDesc));
+                return_ACPI_STATUS (Status);
+            }
+        }
+
+        /*
+         * Delete the existing object
+         * before storing the new one
+         */
+        AcpiDsMethodDataDeleteValue (Opcode, Index, WalkState);
+    }
+
+    /*
+     * Install the ObjStack descriptor (*ObjDesc) into
+     * the descriptor for the Arg or Local.
+     * Install the new object in the stack entry
+     * (increments the object reference count by one)
+     */
+    Status = AcpiDsMethodDataSetValue (Opcode, Index, ObjDesc, WalkState);
+    return_ACPI_STATUS (Status);
+}
+
+
diff --git a/sys/contrib/dev/acpica/dsobject.c b/sys/contrib/dev/acpica/dsobject.c
new file mode 100644
index 0000000..a81a830
--- /dev/null
+++ b/sys/contrib/dev/acpica/dsobject.c
@@ -0,0 +1,907 @@
+/******************************************************************************
+ *
+ * Module Name: dsobject - Dispatcher object management routines
+ *              $Revision: 110 $
+ *
+ *****************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+#define __DSOBJECT_C__
+
+#include "acpi.h"
+#include "acparser.h"
+#include "amlcode.h"
+#include "acdispat.h"
+#include "acnamesp.h"
+#include "acinterp.h"
+
+#define _COMPONENT          ACPI_DISPATCHER
+        ACPI_MODULE_NAME    ("dsobject")
+
+
+#ifndef ACPI_NO_METHOD_EXECUTION
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDsInitOneObject
+ *
+ * PARAMETERS:  ObjHandle       - Node
+ *              Level           - Current nesting level
+ *              Context         - Points to a init info struct
+ *              ReturnValue     - Not used
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Callback from AcpiWalkNamespace.  Invoked for every object
+ *              within the namespace.
+ *
+ *              Currently, the only objects that require initialization are:
+ *              1) Methods
+ *              2) Operation Regions
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiDsInitOneObject (
+    ACPI_HANDLE             ObjHandle,
+    UINT32                  Level,
+    void                    *Context,
+    void                    **ReturnValue)
+{
+    ACPI_OBJECT_TYPE        Type;
+    ACPI_STATUS             Status;
+    ACPI_INIT_WALK_INFO     *Info = (ACPI_INIT_WALK_INFO *) Context;
+
+
+    ACPI_FUNCTION_NAME ("DsInitOneObject");
+
+
+    /*
+     * We are only interested in objects owned by the table that
+     * was just loaded
+     */
+    if (((ACPI_NAMESPACE_NODE *) ObjHandle)->OwnerId !=
+            Info->TableDesc->TableId)
+    {
+        return (AE_OK);
+    }
+
+    Info->ObjectCount++;
+
+    /* And even then, we are only interested in a few object types */
+
+    Type = AcpiNsGetType (ObjHandle);
+
+    switch (Type)
+    {
+    case ACPI_TYPE_REGION:
+
+        Status = AcpiDsInitializeRegion (ObjHandle);
+        if (ACPI_FAILURE (Status))
+        {
+            ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Region %p [%4.4s] - Init failure, %s\n",
+                ObjHandle, ((ACPI_NAMESPACE_NODE *) ObjHandle)->Name.Ascii,
+                AcpiFormatException (Status)));
+        }
+
+        Info->OpRegionCount++;
+        break;
+
+
+    case ACPI_TYPE_METHOD:
+
+        Info->MethodCount++;
+
+        if (!(AcpiDbgLevel & ACPI_LV_INIT))
+        {
+            ACPI_DEBUG_PRINT_RAW ((ACPI_DB_OK, "."));
+        }
+
+        /*
+         * Set the execution data width (32 or 64) based upon the
+         * revision number of the parent ACPI table.
+         * TBD: This is really for possible future support of integer width
+         * on a per-table basis. Currently, we just use a global for the width.
+         */
+        if (Info->TableDesc->Pointer->Revision == 1)
+        {
+            ((ACPI_NAMESPACE_NODE *) ObjHandle)->Flags |= ANOBJ_DATA_WIDTH_32;
+        }
+
+        /*
+         * Always parse methods to detect errors, we may delete
+         * the parse tree below
+         */
+        Status = AcpiDsParseMethod (ObjHandle);
+        if (ACPI_FAILURE (Status))
+        {
+            ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Method %p [%4.4s] - parse failure, %s\n",
+                ObjHandle, ((ACPI_NAMESPACE_NODE *) ObjHandle)->Name.Ascii,
+                AcpiFormatException (Status)));
+
+            /* This parse failed, but we will continue parsing more methods */
+
+            break;
+        }
+
+        /*
+         * Delete the parse tree.  We simple re-parse the method
+         * for every execution since there isn't much overhead
+         */
+        AcpiNsDeleteNamespaceSubtree (ObjHandle);
+        AcpiNsDeleteNamespaceByOwner (((ACPI_NAMESPACE_NODE *) ObjHandle)->Object->Method.OwningId);
+        break;
+
+
+    case ACPI_TYPE_DEVICE:
+
+        Info->DeviceCount++;
+        break;
+
+
+    default:
+        break;
+    }
+
+    /*
+     * We ignore errors from above, and always return OK, since
+     * we don't want to abort the walk on a single error.
+     */
+    return (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDsInitializeObjects
+ *
+ * PARAMETERS:  TableDesc       - Descriptor for parent ACPI table
+ *              StartNode       - Root of subtree to be initialized.
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Walk the namespace starting at "StartNode" and perform any
+ *              necessary initialization on the objects found therein
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiDsInitializeObjects (
+    ACPI_TABLE_DESC         *TableDesc,
+    ACPI_NAMESPACE_NODE     *StartNode)
+{
+    ACPI_STATUS             Status;
+    ACPI_INIT_WALK_INFO     Info;
+
+
+    ACPI_FUNCTION_TRACE ("DsInitializeObjects");
+
+
+    ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH,
+        "**** Starting initialization of namespace objects ****\n"));
+    ACPI_DEBUG_PRINT_RAW ((ACPI_DB_OK, "Parsing Methods:"));
+
+    Info.MethodCount    = 0;
+    Info.OpRegionCount  = 0;
+    Info.ObjectCount    = 0;
+    Info.DeviceCount    = 0;
+    Info.TableDesc      = TableDesc;
+
+    /* Walk entire namespace from the supplied root */
+
+    Status = AcpiWalkNamespace (ACPI_TYPE_ANY, StartNode, ACPI_UINT32_MAX,
+                    AcpiDsInitOneObject, &Info, NULL);
+    if (ACPI_FAILURE (Status))
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "WalkNamespace failed, %s\n",
+            AcpiFormatException (Status)));
+    }
+
+    ACPI_DEBUG_PRINT_RAW ((ACPI_DB_OK,
+        "\nTable [%4.4s] - %hd Objects with %hd Devices %hd Methods %hd Regions\n",
+        TableDesc->Pointer->Signature, Info.ObjectCount,
+        Info.DeviceCount, Info.MethodCount, Info.OpRegionCount));
+
+    ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH,
+        "%hd Methods, %hd Regions\n", Info.MethodCount, Info.OpRegionCount));
+
+    return_ACPI_STATUS (AE_OK);
+}
+
+
+/*****************************************************************************
+ *
+ * FUNCTION:    AcpiDsBuildInternalObject
+ *
+ * PARAMETERS:  WalkState       - Current walk state
+ *              Op              - Parser object to be translated
+ *              ObjDescPtr      - Where the ACPI internal object is returned
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Translate a parser Op object to the equivalent namespace object
+ *              Simple objects are any objects other than a package object!
+ *
+ ****************************************************************************/
+
+ACPI_STATUS
+AcpiDsBuildInternalObject (
+    ACPI_WALK_STATE         *WalkState,
+    ACPI_PARSE_OBJECT       *Op,
+    ACPI_OPERAND_OBJECT     **ObjDescPtr)
+{
+    ACPI_OPERAND_OBJECT     *ObjDesc;
+    ACPI_STATUS             Status;
+
+
+    ACPI_FUNCTION_TRACE ("DsBuildInternalObject");
+
+
+    *ObjDescPtr = NULL;
+    if (Op->Common.AmlOpcode == AML_INT_NAMEPATH_OP)
+    {
+        /*
+         * This is an named object reference.  If this name was
+         * previously looked up in the namespace, it was stored in this op.
+         * Otherwise, go ahead and look it up now
+         */
+        if (!Op->Common.Node)
+        {
+            Status = AcpiNsLookup (WalkState->ScopeInfo, Op->Common.Value.String,
+                            ACPI_TYPE_ANY, ACPI_IMODE_EXECUTE,
+                            ACPI_NS_SEARCH_PARENT | ACPI_NS_DONT_OPEN_SCOPE, NULL,
+                            (ACPI_NAMESPACE_NODE **) &(Op->Common.Node));
+
+            if (ACPI_FAILURE (Status))
+            {
+                ACPI_REPORT_NSERROR (Op->Common.Value.String, Status);
+                return_ACPI_STATUS (Status);
+            }
+        }
+    }
+
+    /* Create and init the internal ACPI object */
+
+    ObjDesc = AcpiUtCreateInternalObject ((AcpiPsGetOpcodeInfo (Op->Common.AmlOpcode))->ObjectType);
+    if (!ObjDesc)
+    {
+        return_ACPI_STATUS (AE_NO_MEMORY);
+    }
+
+    Status = AcpiDsInitObjectFromOp (WalkState, Op, Op->Common.AmlOpcode, &ObjDesc);
+    if (ACPI_FAILURE (Status))
+    {
+        AcpiUtRemoveReference (ObjDesc);
+        return_ACPI_STATUS (Status);
+    }
+
+    *ObjDescPtr = ObjDesc;
+    return_ACPI_STATUS (AE_OK);
+}
+
+
+/*****************************************************************************
+ *
+ * FUNCTION:    AcpiDsBuildInternalBufferObj
+ *
+ * PARAMETERS:  WalkState       - Current walk state
+ *              Op              - Parser object to be translated
+ *              BufferLength    - Length of the buffer
+ *              ObjDescPtr      - Where the ACPI internal object is returned
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Translate a parser Op package object to the equivalent
+ *              namespace object
+ *
+ ****************************************************************************/
+
+ACPI_STATUS
+AcpiDsBuildInternalBufferObj (
+    ACPI_WALK_STATE         *WalkState,
+    ACPI_PARSE_OBJECT       *Op,
+    UINT32                  BufferLength,
+    ACPI_OPERAND_OBJECT     **ObjDescPtr)
+{
+    ACPI_PARSE_OBJECT       *Arg;
+    ACPI_OPERAND_OBJECT     *ObjDesc;
+    ACPI_PARSE_OBJECT       *ByteList;
+    UINT32                  ByteListLength = 0;
+
+
+    ACPI_FUNCTION_TRACE ("DsBuildInternalBufferObj");
+
+
+    ObjDesc = *ObjDescPtr;
+    if (ObjDesc)
+    {
+        /*
+         * We are evaluating a Named buffer object "Name (xxxx, Buffer)".
+         * The buffer object already exists (from the NS node)
+         */
+    }
+    else
+    {
+        /* Create a new buffer object */
+
+        ObjDesc = AcpiUtCreateInternalObject (ACPI_TYPE_BUFFER);
+        *ObjDescPtr = ObjDesc;
+        if (!ObjDesc)
+        {
+            return_ACPI_STATUS (AE_NO_MEMORY);
+        }
+    }
+
+    /*
+     * Second arg is the buffer data (optional) ByteList can be either
+     * individual bytes or a string initializer.  In either case, a
+     * ByteList appears in the AML.
+     */
+    Arg = Op->Common.Value.Arg;         /* skip first arg */
+
+    ByteList = Arg->Named.Next;
+    if (ByteList)
+    {
+        if (ByteList->Common.AmlOpcode != AML_INT_BYTELIST_OP)
+        {
+            ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+                "Expecting bytelist, got AML opcode %X in op %p\n",
+                ByteList->Common.AmlOpcode, ByteList));
+
+            AcpiUtRemoveReference (ObjDesc);
+            return (AE_TYPE);
+        }
+
+        ByteListLength = ByteList->Common.Value.Integer32;
+    }
+
+    /*
+     * The buffer length (number of bytes) will be the larger of:
+     * 1) The specified buffer length and
+     * 2) The length of the initializer byte list
+     */
+    ObjDesc->Buffer.Length = BufferLength;
+    if (ByteListLength > BufferLength)
+    {
+        ObjDesc->Buffer.Length = ByteListLength;
+    }
+
+    /* Allocate the buffer */
+
+    if (ObjDesc->Buffer.Length == 0)
+    {
+        ObjDesc->Buffer.Pointer = NULL;
+        ACPI_REPORT_WARNING (("Buffer created with zero length in AML\n"));
+        return_ACPI_STATUS (AE_OK);
+    }
+
+    ObjDesc->Buffer.Pointer = ACPI_MEM_CALLOCATE (
+                                    ObjDesc->Buffer.Length);
+    if (!ObjDesc->Buffer.Pointer)
+    {
+        AcpiUtDeleteObjectDesc (ObjDesc);
+        return_ACPI_STATUS (AE_NO_MEMORY);
+    }
+
+    /* Initialize buffer from the ByteList (if present) */
+
+    if (ByteList)
+    {
+        ACPI_MEMCPY (ObjDesc->Buffer.Pointer, ByteList->Named.Data,
+                     ByteListLength);
+    }
+
+    ObjDesc->Buffer.Flags |= AOPOBJ_DATA_VALID;
+    Op->Common.Node = (ACPI_NAMESPACE_NODE *) ObjDesc;
+    return_ACPI_STATUS (AE_OK);
+}
+
+
+/*****************************************************************************
+ *
+ * FUNCTION:    AcpiDsBuildInternalPackageObj
+ *
+ * PARAMETERS:  WalkState       - Current walk state
+ *              Op              - Parser object to be translated
+ *              PackageLength   - Number of elements in the package
+ *              ObjDescPtr      - Where the ACPI internal object is returned
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Translate a parser Op package object to the equivalent
+ *              namespace object
+ *
+ ****************************************************************************/
+
+ACPI_STATUS
+AcpiDsBuildInternalPackageObj (
+    ACPI_WALK_STATE         *WalkState,
+    ACPI_PARSE_OBJECT       *Op,
+    UINT32                  PackageLength,
+    ACPI_OPERAND_OBJECT     **ObjDescPtr)
+{
+    ACPI_PARSE_OBJECT       *Arg;
+    ACPI_PARSE_OBJECT       *Parent;
+    ACPI_OPERAND_OBJECT     *ObjDesc = NULL;
+    UINT32                  PackageListLength;
+    ACPI_STATUS             Status = AE_OK;
+    UINT32                  i;
+
+
+    ACPI_FUNCTION_TRACE ("DsBuildInternalPackageObj");
+
+
+    /* Find the parent of a possibly nested package */
+
+    Parent = Op->Common.Parent;
+    while ((Parent->Common.AmlOpcode == AML_PACKAGE_OP)     ||
+           (Parent->Common.AmlOpcode == AML_VAR_PACKAGE_OP))
+    {
+        Parent = Parent->Common.Parent;
+    }
+
+    ObjDesc = *ObjDescPtr;
+    if (ObjDesc)
+    {
+        /*
+         * We are evaluating a Named package object "Name (xxxx, Package)".
+         * Get the existing package object from the NS node
+         */
+    }
+    else
+    {
+        ObjDesc = AcpiUtCreateInternalObject (ACPI_TYPE_PACKAGE);
+        *ObjDescPtr = ObjDesc;
+        if (!ObjDesc)
+        {
+            return_ACPI_STATUS (AE_NO_MEMORY);
+        }
+
+        ObjDesc->Package.Node = Parent->Common.Node;
+    }
+
+    ObjDesc->Package.Count = PackageLength;
+
+    /* Count the number of items in the package list */
+
+    PackageListLength = 0;
+    Arg = Op->Common.Value.Arg;
+    Arg = Arg->Common.Next;
+    while (Arg)
+    {
+        PackageListLength++;
+        Arg = Arg->Common.Next;
+    }
+
+    /*
+     * The package length (number of elements) will be the greater
+     * of the specified length and the length of the initializer list
+     */
+    if (PackageListLength > PackageLength)
+    {
+        ObjDesc->Package.Count = PackageListLength;
+    }
+
+    /*
+     * Allocate the pointer array (array of pointers to the
+     * individual objects). Add an extra pointer slot so
+     * that the list is always null terminated.
+     */
+    ObjDesc->Package.Elements = ACPI_MEM_CALLOCATE (
+                ((ACPI_SIZE) ObjDesc->Package.Count + 1) * sizeof (void *));
+
+    if (!ObjDesc->Package.Elements)
+    {
+        AcpiUtDeleteObjectDesc (ObjDesc);
+        return_ACPI_STATUS (AE_NO_MEMORY);
+    }
+
+    /*
+     * Now init the elements of the package
+     */
+    i = 0;
+    Arg = Op->Common.Value.Arg;
+    Arg = Arg->Common.Next;
+    while (Arg)
+    {
+        if (Arg->Common.AmlOpcode == AML_INT_RETURN_VALUE_OP)
+        {
+            /* Object (package or buffer) is already built */
+
+            ObjDesc->Package.Elements[i] = ACPI_CAST_PTR (ACPI_OPERAND_OBJECT, Arg->Common.Node);
+        }
+        else
+        {
+            Status = AcpiDsBuildInternalObject (WalkState, Arg,
+                                        &ObjDesc->Package.Elements[i]);
+        }
+
+        i++;
+        Arg = Arg->Common.Next;
+    }
+
+    ObjDesc->Package.Flags |= AOPOBJ_DATA_VALID;
+    Op->Common.Node = (ACPI_NAMESPACE_NODE *) ObjDesc;
+    return_ACPI_STATUS (Status);
+}
+
+
+/*****************************************************************************
+ *
+ * FUNCTION:    AcpiDsCreateNode
+ *
+ * PARAMETERS:  WalkState       - Current walk state
+ *              Node            - NS Node to be initialized
+ *              Op              - Parser object to be translated
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Create the object to be associated with a namespace node
+ *
+ ****************************************************************************/
+
+ACPI_STATUS
+AcpiDsCreateNode (
+    ACPI_WALK_STATE         *WalkState,
+    ACPI_NAMESPACE_NODE     *Node,
+    ACPI_PARSE_OBJECT       *Op)
+{
+    ACPI_STATUS             Status;
+    ACPI_OPERAND_OBJECT     *ObjDesc;
+
+
+    ACPI_FUNCTION_TRACE_PTR ("DsCreateNode", Op);
+
+
+    /*
+     * Because of the execution pass through the non-control-method
+     * parts of the table, we can arrive here twice.  Only init
+     * the named object node the first time through
+     */
+    if (AcpiNsGetAttachedObject (Node))
+    {
+        return_ACPI_STATUS (AE_OK);
+    }
+
+    if (!Op->Common.Value.Arg)
+    {
+        /* No arguments, there is nothing to do */
+
+        return_ACPI_STATUS (AE_OK);
+    }
+
+    /* Build an internal object for the argument(s) */
+
+    Status = AcpiDsBuildInternalObject (WalkState, Op->Common.Value.Arg, &ObjDesc);
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    /* Re-type the object according to it's argument */
+
+    Node->Type = ACPI_GET_OBJECT_TYPE (ObjDesc);
+
+    /* Attach obj to node */
+
+    Status = AcpiNsAttachObject (Node, ObjDesc, Node->Type);
+
+    /* Remove local reference to the object */
+
+    AcpiUtRemoveReference (ObjDesc);
+    return_ACPI_STATUS (Status);
+}
+
+#endif /* ACPI_NO_METHOD_EXECUTION */
+
+
+/*****************************************************************************
+ *
+ * FUNCTION:    AcpiDsInitObjectFromOp
+ *
+ * PARAMETERS:  WalkState       - Current walk state
+ *              Op              - Parser op used to init the internal object
+ *              Opcode          - AML opcode associated with the object
+ *              RetObjDesc      - Namespace object to be initialized
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Initialize a namespace object from a parser Op and its
+ *              associated arguments.  The namespace object is a more compact
+ *              representation of the Op and its arguments.
+ *
+ ****************************************************************************/
+
+ACPI_STATUS
+AcpiDsInitObjectFromOp (
+    ACPI_WALK_STATE         *WalkState,
+    ACPI_PARSE_OBJECT       *Op,
+    UINT16                  Opcode,
+    ACPI_OPERAND_OBJECT     **RetObjDesc)
+{
+    const ACPI_OPCODE_INFO  *OpInfo;
+    ACPI_OPERAND_OBJECT     *ObjDesc;
+    ACPI_STATUS             Status = AE_OK;
+
+
+    ACPI_FUNCTION_TRACE ("DsInitObjectFromOp");
+
+
+    ObjDesc = *RetObjDesc;
+    OpInfo = AcpiPsGetOpcodeInfo (Opcode);
+    if (OpInfo->Class == AML_CLASS_UNKNOWN)
+    {
+        /* Unknown opcode */
+
+        return_ACPI_STATUS (AE_TYPE);
+    }
+
+    /* Perform per-object initialization */
+
+    switch (ACPI_GET_OBJECT_TYPE (ObjDesc))
+    {
+    case ACPI_TYPE_BUFFER:
+
+        /*
+         * Defer evaluation of Buffer TermArg operand
+         */
+        ObjDesc->Buffer.Node      = (ACPI_NAMESPACE_NODE *) WalkState->Operands[0];
+        ObjDesc->Buffer.AmlStart  = Op->Named.Data;
+        ObjDesc->Buffer.AmlLength = Op->Named.Length;
+        break;
+
+
+    case ACPI_TYPE_PACKAGE:
+
+        /*
+         * Defer evaluation of Package TermArg operand
+         */
+        ObjDesc->Package.Node      = (ACPI_NAMESPACE_NODE *) WalkState->Operands[0];
+        ObjDesc->Package.AmlStart  = Op->Named.Data;
+        ObjDesc->Package.AmlLength = Op->Named.Length;
+        break;
+
+
+    case ACPI_TYPE_INTEGER:
+
+        switch (OpInfo->Type)
+        {
+        case AML_TYPE_CONSTANT:
+            /*
+             * Resolve AML Constants here - AND ONLY HERE!
+             * All constants are integers.
+             * We mark the integer with a flag that indicates that it started life
+             * as a constant -- so that stores to constants will perform as expected (noop).
+             * (ZeroOp is used as a placeholder for optional target operands.)
+             */
+            ObjDesc->Common.Flags = AOPOBJ_AML_CONSTANT;
+
+            switch (Opcode)
+            {
+            case AML_ZERO_OP:
+
+                ObjDesc->Integer.Value = 0;
+                break;
+
+            case AML_ONE_OP:
+
+                ObjDesc->Integer.Value = 1;
+                break;
+
+            case AML_ONES_OP:
+
+                ObjDesc->Integer.Value = ACPI_INTEGER_MAX;
+
+                /* Truncate value if we are executing from a 32-bit ACPI table */
+
+#ifndef ACPI_NO_METHOD_EXECUTION
+                AcpiExTruncateFor32bitTable (ObjDesc);
+#endif
+                break;
+
+            case AML_REVISION_OP:
+
+                ObjDesc->Integer.Value = ACPI_CA_SUPPORT_LEVEL;
+                break;
+
+            default:
+
+                ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Unknown constant opcode %X\n", Opcode));
+                Status = AE_AML_OPERAND_TYPE;
+                break;
+            }
+            break;
+
+
+        case AML_TYPE_LITERAL:
+
+            ObjDesc->Integer.Value = Op->Common.Value.Integer;
+            break;
+
+
+        default:
+            ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Unknown Integer type %X\n", OpInfo->Type));
+            Status = AE_AML_OPERAND_TYPE;
+            break;
+        }
+        break;
+
+
+    case ACPI_TYPE_STRING:
+
+        ObjDesc->String.Pointer = Op->Common.Value.String;
+        ObjDesc->String.Length = (UINT32) ACPI_STRLEN (Op->Common.Value.String);
+
+        /*
+         * The string is contained in the ACPI table, don't ever try
+         * to delete it
+         */
+        ObjDesc->Common.Flags |= AOPOBJ_STATIC_POINTER;
+        break;
+
+
+    case ACPI_TYPE_METHOD:
+        break;
+
+
+    case ACPI_TYPE_LOCAL_REFERENCE:
+
+        switch (OpInfo->Type)
+        {
+        case AML_TYPE_LOCAL_VARIABLE:
+
+            /* Split the opcode into a base opcode + offset */
+
+            ObjDesc->Reference.Opcode = AML_LOCAL_OP;
+            ObjDesc->Reference.Offset = Opcode - AML_LOCAL_OP;
+
+#ifndef ACPI_NO_METHOD_EXECUTION
+            Status = AcpiDsMethodDataGetNode (AML_LOCAL_OP, ObjDesc->Reference.Offset,
+                        WalkState, (ACPI_NAMESPACE_NODE **) &ObjDesc->Reference.Object);
+#endif
+            break;
+
+
+        case AML_TYPE_METHOD_ARGUMENT:
+
+            /* Split the opcode into a base opcode + offset */
+
+            ObjDesc->Reference.Opcode = AML_ARG_OP;
+            ObjDesc->Reference.Offset = Opcode - AML_ARG_OP;
+            break;
+
+        default: /* Other literals, etc.. */
+
+            if (Op->Common.AmlOpcode == AML_INT_NAMEPATH_OP)
+            {
+                /* Node was saved in Op */
+
+                ObjDesc->Reference.Node = Op->Common.Node;
+            }
+
+            ObjDesc->Reference.Opcode = Opcode;
+            break;
+        }
+        break;
+
+
+    default:
+
+        ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Unimplemented data type: %X\n",
+            ACPI_GET_OBJECT_TYPE (ObjDesc)));
+
+        Status = AE_AML_OPERAND_TYPE;
+        break;
+    }
+
+    return_ACPI_STATUS (Status);
+}
+
+
diff --git a/sys/contrib/dev/acpica/dsopcode.c b/sys/contrib/dev/acpica/dsopcode.c
new file mode 100644
index 0000000..4262bb4
--- /dev/null
+++ b/sys/contrib/dev/acpica/dsopcode.c
@@ -0,0 +1,1263 @@
+/******************************************************************************
+ *
+ * Module Name: dsopcode - Dispatcher Op Region support and handling of
+ *                         "control" opcodes
+ *              $Revision: 83 $
+ *
+ *****************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+#define __DSOPCODE_C__
+
+#include "acpi.h"
+#include "acparser.h"
+#include "amlcode.h"
+#include "acdispat.h"
+#include "acinterp.h"
+#include "acnamesp.h"
+#include "acevents.h"
+
+#define _COMPONENT          ACPI_DISPATCHER
+        ACPI_MODULE_NAME    ("dsopcode")
+
+
+/*****************************************************************************
+ *
+ * FUNCTION:    AcpiDsExecuteArguments
+ *
+ * PARAMETERS:  Node                - Parent NS node
+ *              AmlLength           - Length of executable AML
+ *              AmlStart            - Pointer to the AML
+ *
+ * RETURN:      Status.
+ *
+ * DESCRIPTION: Late execution of region or field arguments
+ *
+ ****************************************************************************/
+
+ACPI_STATUS
+AcpiDsExecuteArguments (
+    ACPI_NAMESPACE_NODE     *Node,
+    ACPI_NAMESPACE_NODE     *ScopeNode,
+    UINT32                  AmlLength,
+    UINT8                   *AmlStart)
+{
+    ACPI_STATUS             Status;
+    ACPI_PARSE_OBJECT       *Op;
+    ACPI_WALK_STATE         *WalkState;
+    ACPI_PARSE_OBJECT       *Arg;
+
+
+    ACPI_FUNCTION_TRACE ("AcpiDsExecuteArguments");
+
+
+    /*
+     * Allocate a new parser op to be the root of the parsed tree
+     */
+    Op = AcpiPsAllocOp (AML_INT_EVAL_SUBTREE_OP);
+    if (!Op)
+    {
+        return_ACPI_STATUS (AE_NO_MEMORY);
+    }
+
+    /* Save the Node for use in AcpiPsParseAml */
+
+    Op->Common.Node = ScopeNode;
+
+    /* Create and initialize a new parser state */
+
+    WalkState = AcpiDsCreateWalkState (TABLE_ID_DSDT, NULL, NULL, NULL);
+    if (!WalkState)
+    {
+        return_ACPI_STATUS (AE_NO_MEMORY);
+    }
+
+    Status = AcpiDsInitAmlWalk (WalkState, Op, NULL, AmlStart,
+                    AmlLength, NULL, NULL, 1);
+    if (ACPI_FAILURE (Status))
+    {
+        AcpiDsDeleteWalkState (WalkState);
+        return_ACPI_STATUS (Status);
+    }
+
+    WalkState->ParseFlags = ACPI_PARSE_DEFERRED_OP;
+
+    /* Pass1: Parse the entire declaration */
+
+    Status = AcpiPsParseAml (WalkState);
+    if (ACPI_FAILURE (Status))
+    {
+        AcpiPsDeleteParseTree (Op);
+        return_ACPI_STATUS (Status);
+    }
+
+    /* Get and init the Op created above */
+
+    Arg = Op->Common.Value.Arg;
+    Op->Common.Node = Node;
+    Arg->Common.Node = Node;
+    AcpiPsDeleteParseTree (Op);
+
+    /* Evaluate the address and length arguments for the Buffer Field */
+
+    Op = AcpiPsAllocOp (AML_INT_EVAL_SUBTREE_OP);
+    if (!Op)
+    {
+        return_ACPI_STATUS (AE_NO_MEMORY);
+    }
+
+    Op->Common.Node = ScopeNode;
+
+    /* Create and initialize a new parser state */
+
+    WalkState = AcpiDsCreateWalkState (TABLE_ID_DSDT, NULL, NULL, NULL);
+    if (!WalkState)
+    {
+        return_ACPI_STATUS (AE_NO_MEMORY);
+    }
+
+    Status = AcpiDsInitAmlWalk (WalkState, Op, NULL, AmlStart,
+                    AmlLength, NULL, NULL, 3);
+    if (ACPI_FAILURE (Status))
+    {
+        AcpiDsDeleteWalkState (WalkState);
+        return_ACPI_STATUS (Status);
+    }
+
+    Status = AcpiPsParseAml (WalkState);
+    AcpiPsDeleteParseTree (Op);
+    return_ACPI_STATUS (Status);
+}
+
+
+/*****************************************************************************
+ *
+ * FUNCTION:    AcpiDsGetBufferFieldArguments
+ *
+ * PARAMETERS:  ObjDesc         - A valid BufferField object
+ *
+ * RETURN:      Status.
+ *
+ * DESCRIPTION: Get BufferField Buffer and Index.  This implements the late
+ *              evaluation of these field attributes.
+ *
+ ****************************************************************************/
+
+ACPI_STATUS
+AcpiDsGetBufferFieldArguments (
+    ACPI_OPERAND_OBJECT     *ObjDesc)
+{
+    ACPI_OPERAND_OBJECT     *ExtraDesc;
+    ACPI_NAMESPACE_NODE     *Node;
+    ACPI_STATUS             Status;
+
+
+    ACPI_FUNCTION_TRACE_PTR ("DsGetBufferFieldArguments", ObjDesc);
+
+
+    if (ObjDesc->Common.Flags & AOPOBJ_DATA_VALID)
+    {
+        return_ACPI_STATUS (AE_OK);
+    }
+
+    /* Get the AML pointer (method object) and BufferField node */
+
+    ExtraDesc = AcpiNsGetSecondaryObject (ObjDesc);
+    Node = ObjDesc->BufferField.Node;
+
+    ACPI_DEBUG_EXEC(AcpiUtDisplayInitPathname (Node, "  [Field]"));
+    ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "[%4.4s] BufferField JIT Init\n",
+        Node->Name.Ascii));
+
+    /* Execute the AML code for the TermArg arguments */
+
+    Status = AcpiDsExecuteArguments (Node, AcpiNsGetParentNode (Node),
+                ExtraDesc->Extra.AmlLength, ExtraDesc->Extra.AmlStart);
+    return_ACPI_STATUS (Status);
+}
+
+
+/*****************************************************************************
+ *
+ * FUNCTION:    AcpiDsGetBufferArguments
+ *
+ * PARAMETERS:  ObjDesc         - A valid Bufferobject
+ *
+ * RETURN:      Status.
+ *
+ * DESCRIPTION: Get Buffer length and initializer byte list.  This implements
+ *              the late evaluation of these attributes.
+ *
+ ****************************************************************************/
+
+ACPI_STATUS
+AcpiDsGetBufferArguments (
+    ACPI_OPERAND_OBJECT     *ObjDesc)
+{
+    ACPI_NAMESPACE_NODE     *Node;
+    ACPI_STATUS             Status;
+
+
+    ACPI_FUNCTION_TRACE_PTR ("DsGetBufferArguments", ObjDesc);
+
+
+    if (ObjDesc->Common.Flags & AOPOBJ_DATA_VALID)
+    {
+        return_ACPI_STATUS (AE_OK);
+    }
+
+    /* Get the Buffer node */
+
+    Node = ObjDesc->Buffer.Node;
+    if (!Node)
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+                "No pointer back to NS node in buffer %p\n", ObjDesc));
+        return_ACPI_STATUS (AE_AML_INTERNAL);
+    }
+
+    ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Buffer JIT Init\n"));
+
+    /* Execute the AML code for the TermArg arguments */
+
+    Status = AcpiDsExecuteArguments (Node, Node,
+                ObjDesc->Buffer.AmlLength, ObjDesc->Buffer.AmlStart);
+    return_ACPI_STATUS (Status);
+}
+
+
+/*****************************************************************************
+ *
+ * FUNCTION:    AcpiDsGetPackageArguments
+ *
+ * PARAMETERS:  ObjDesc         - A valid Packageobject
+ *
+ * RETURN:      Status.
+ *
+ * DESCRIPTION: Get Package length and initializer byte list.  This implements
+ *              the late evaluation of these attributes.
+ *
+ ****************************************************************************/
+
+ACPI_STATUS
+AcpiDsGetPackageArguments (
+    ACPI_OPERAND_OBJECT     *ObjDesc)
+{
+    ACPI_NAMESPACE_NODE     *Node;
+    ACPI_STATUS             Status;
+
+
+    ACPI_FUNCTION_TRACE_PTR ("DsGetPackageArguments", ObjDesc);
+
+
+    if (ObjDesc->Common.Flags & AOPOBJ_DATA_VALID)
+    {
+        return_ACPI_STATUS (AE_OK);
+    }
+
+    /* Get the Package node */
+
+    Node = ObjDesc->Package.Node;
+    if (!Node)
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+                "No pointer back to NS node in package %p\n", ObjDesc));
+        return_ACPI_STATUS (AE_AML_INTERNAL);
+    }
+
+    ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Package JIT Init\n"));
+
+    /* Execute the AML code for the TermArg arguments */
+
+    Status = AcpiDsExecuteArguments (Node, Node,
+                ObjDesc->Package.AmlLength, ObjDesc->Package.AmlStart);
+    return_ACPI_STATUS (Status);
+}
+
+
+/*****************************************************************************
+ *
+ * FUNCTION:    AcpiDsGetRegionArguments
+ *
+ * PARAMETERS:  ObjDesc         - A valid region object
+ *
+ * RETURN:      Status.
+ *
+ * DESCRIPTION: Get region address and length.  This implements the late
+ *              evaluation of these region attributes.
+ *
+ ****************************************************************************/
+
+ACPI_STATUS
+AcpiDsGetRegionArguments (
+    ACPI_OPERAND_OBJECT     *ObjDesc)
+{
+    ACPI_NAMESPACE_NODE     *Node;
+    ACPI_STATUS             Status;
+    ACPI_OPERAND_OBJECT     *ExtraDesc;
+
+
+    ACPI_FUNCTION_TRACE_PTR ("DsGetRegionArguments", ObjDesc);
+
+
+    if (ObjDesc->Region.Flags & AOPOBJ_DATA_VALID)
+    {
+        return_ACPI_STATUS (AE_OK);
+    }
+
+    ExtraDesc = AcpiNsGetSecondaryObject (ObjDesc);
+    if (!ExtraDesc)
+    {
+        return_ACPI_STATUS (AE_NOT_EXIST);
+    }
+
+    /* Get the Region node */
+
+    Node = ObjDesc->Region.Node;
+
+    ACPI_DEBUG_EXEC(AcpiUtDisplayInitPathname (Node, "  [Operation Region]"));
+
+    ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "[%4.4s] OpRegion Init at AML %p\n",
+        Node->Name.Ascii, ExtraDesc->Extra.AmlStart));
+
+
+    Status = AcpiDsExecuteArguments (Node, AcpiNsGetParentNode (Node),
+                ExtraDesc->Extra.AmlLength, ExtraDesc->Extra.AmlStart);
+    return_ACPI_STATUS (Status);
+}
+
+
+/*****************************************************************************
+ *
+ * FUNCTION:    AcpiDsInitializeRegion
+ *
+ * PARAMETERS:  Op              - A valid region Op object
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Front end to EvInitializeRegion
+ *
+ ****************************************************************************/
+
+ACPI_STATUS
+AcpiDsInitializeRegion (
+    ACPI_HANDLE             ObjHandle)
+{
+    ACPI_OPERAND_OBJECT     *ObjDesc;
+    ACPI_STATUS             Status;
+
+
+    ObjDesc = AcpiNsGetAttachedObject (ObjHandle);
+
+    /* Namespace is NOT locked */
+
+    Status = AcpiEvInitializeRegion (ObjDesc, FALSE);
+    return (Status);
+}
+
+
+/*****************************************************************************
+ *
+ * FUNCTION:    AcpiDsInitBufferField
+ *
+ * PARAMETERS:  AmlOpcode       - CreateXxxField
+ *              ObjDesc         - BufferField object
+ *              BufferDesc      - Host Buffer
+ *              OffsetDesc      - Offset into buffer
+ *              Length          - Length of field (CREATE_FIELD_OP only)
+ *              Result          - Where to store the result
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Perform actual initialization of a buffer field
+ *
+ ****************************************************************************/
+
+ACPI_STATUS
+AcpiDsInitBufferField (
+    UINT16                  AmlOpcode,
+    ACPI_OPERAND_OBJECT     *ObjDesc,
+    ACPI_OPERAND_OBJECT     *BufferDesc,
+    ACPI_OPERAND_OBJECT     *OffsetDesc,
+    ACPI_OPERAND_OBJECT     *LengthDesc,
+    ACPI_OPERAND_OBJECT     *ResultDesc)
+{
+    UINT32                  Offset;
+    UINT32                  BitOffset;
+    UINT32                  BitCount;
+    UINT8                   FieldFlags;
+    ACPI_STATUS             Status;
+
+
+    ACPI_FUNCTION_TRACE_PTR ("DsInitBufferField", ObjDesc);
+
+
+    /* Host object must be a Buffer */
+
+    if (ACPI_GET_OBJECT_TYPE (BufferDesc) != ACPI_TYPE_BUFFER)
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+            "Target of Create Field is not a Buffer object - %s\n",
+            AcpiUtGetObjectTypeName (BufferDesc)));
+
+        Status = AE_AML_OPERAND_TYPE;
+        goto Cleanup;
+    }
+
+    /*
+     * The last parameter to all of these opcodes (ResultDesc) started
+     * out as a NameString, and should therefore now be a NS node
+     * after resolution in AcpiExResolveOperands().
+     */
+    if (ACPI_GET_DESCRIPTOR_TYPE (ResultDesc) != ACPI_DESC_TYPE_NAMED)
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "(%s) destination must be a NS Node\n",
+            AcpiPsGetOpcodeName (AmlOpcode)));
+
+        Status = AE_AML_OPERAND_TYPE;
+        goto Cleanup;
+    }
+
+    Offset = (UINT32) OffsetDesc->Integer.Value;
+
+    /*
+     * Setup the Bit offsets and counts, according to the opcode
+     */
+    switch (AmlOpcode)
+    {
+    case AML_CREATE_FIELD_OP:
+
+        /* Offset is in bits, count is in bits */
+
+        BitOffset  = Offset;
+        BitCount   = (UINT32) LengthDesc->Integer.Value;
+        FieldFlags = AML_FIELD_ACCESS_BYTE;
+        break;
+
+    case AML_CREATE_BIT_FIELD_OP:
+
+        /* Offset is in bits, Field is one bit */
+
+        BitOffset  = Offset;
+        BitCount   = 1;
+        FieldFlags = AML_FIELD_ACCESS_BYTE;
+        break;
+
+    case AML_CREATE_BYTE_FIELD_OP:
+
+        /* Offset is in bytes, field is one byte */
+
+        BitOffset  = 8 * Offset;
+        BitCount   = 8;
+        FieldFlags = AML_FIELD_ACCESS_BYTE;
+        break;
+
+    case AML_CREATE_WORD_FIELD_OP:
+
+        /* Offset is in bytes, field is one word */
+
+        BitOffset  = 8 * Offset;
+        BitCount   = 16;
+        FieldFlags = AML_FIELD_ACCESS_WORD;
+        break;
+
+    case AML_CREATE_DWORD_FIELD_OP:
+
+        /* Offset is in bytes, field is one dword */
+
+        BitOffset  = 8 * Offset;
+        BitCount   = 32;
+        FieldFlags = AML_FIELD_ACCESS_DWORD;
+        break;
+
+    case AML_CREATE_QWORD_FIELD_OP:
+
+        /* Offset is in bytes, field is one qword */
+
+        BitOffset  = 8 * Offset;
+        BitCount   = 64;
+        FieldFlags = AML_FIELD_ACCESS_QWORD;
+        break;
+
+    default:
+
+        ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+            "Unknown field creation opcode %02x\n",
+            AmlOpcode));
+        Status = AE_AML_BAD_OPCODE;
+        goto Cleanup;
+    }
+
+
+    /* Entire field must fit within the current length of the buffer */
+
+    if ((BitOffset + BitCount) >
+        (8 * (UINT32) BufferDesc->Buffer.Length))
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+            "Field size %d exceeds Buffer size %d (bits)\n",
+             BitOffset + BitCount, 8 * (UINT32) BufferDesc->Buffer.Length));
+        Status = AE_AML_BUFFER_LIMIT;
+        goto Cleanup;
+    }
+
+    /*
+     * Initialize areas of the field object that are common to all fields
+     * For FieldFlags, use LOCK_RULE = 0 (NO_LOCK), UPDATE_RULE = 0 (UPDATE_PRESERVE)
+     */
+    Status = AcpiExPrepCommonFieldObject (ObjDesc, FieldFlags, 0,
+                                            BitOffset, BitCount);
+    if (ACPI_FAILURE (Status))
+    {
+        goto Cleanup;
+    }
+
+    ObjDesc->BufferField.BufferObj = BufferDesc;
+
+    /* Reference count for BufferDesc inherits ObjDesc count */
+
+    BufferDesc->Common.ReferenceCount = (UINT16) (BufferDesc->Common.ReferenceCount +
+                                                  ObjDesc->Common.ReferenceCount);
+
+
+Cleanup:
+
+    /* Always delete the operands */
+
+    AcpiUtRemoveReference (OffsetDesc);
+    AcpiUtRemoveReference (BufferDesc);
+
+    if (AmlOpcode == AML_CREATE_FIELD_OP)
+    {
+        AcpiUtRemoveReference (LengthDesc);
+    }
+
+    /* On failure, delete the result descriptor */
+
+    if (ACPI_FAILURE (Status))
+    {
+        AcpiUtRemoveReference (ResultDesc);     /* Result descriptor */
+    }
+    else
+    {
+        /* Now the address and length are valid for this BufferField */
+
+        ObjDesc->BufferField.Flags |= AOPOBJ_DATA_VALID;
+    }
+
+    return_ACPI_STATUS (Status);
+}
+
+
+/*****************************************************************************
+ *
+ * FUNCTION:    AcpiDsEvalBufferFieldOperands
+ *
+ * PARAMETERS:  WalkState       - Current walk
+ *              Op              - A valid BufferField Op object
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Get BufferField Buffer and Index
+ *              Called from AcpiDsExecEndOp during BufferField parse tree walk
+ *
+ ****************************************************************************/
+
+ACPI_STATUS
+AcpiDsEvalBufferFieldOperands (
+    ACPI_WALK_STATE         *WalkState,
+    ACPI_PARSE_OBJECT       *Op)
+{
+    ACPI_STATUS             Status;
+    ACPI_OPERAND_OBJECT     *ObjDesc;
+    ACPI_NAMESPACE_NODE     *Node;
+    ACPI_PARSE_OBJECT       *NextOp;
+
+
+    ACPI_FUNCTION_TRACE_PTR ("DsEvalBufferFieldOperands", Op);
+
+
+    /*
+     * This is where we evaluate the address and length fields of the
+     * CreateXxxField declaration
+     */
+    Node =  Op->Common.Node;
+
+    /* NextOp points to the op that holds the Buffer */
+
+    NextOp = Op->Common.Value.Arg;
+
+    /* Evaluate/create the address and length operands */
+
+    Status = AcpiDsCreateOperands (WalkState, NextOp);
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    ObjDesc = AcpiNsGetAttachedObject (Node);
+    if (!ObjDesc)
+    {
+        return_ACPI_STATUS (AE_NOT_EXIST);
+    }
+
+    /* Resolve the operands */
+
+    Status = AcpiExResolveOperands (Op->Common.AmlOpcode,
+                    ACPI_WALK_OPERANDS, WalkState);
+
+    ACPI_DUMP_OPERANDS (ACPI_WALK_OPERANDS, ACPI_IMODE_EXECUTE,
+                    AcpiPsGetOpcodeName (Op->Common.AmlOpcode),
+                    WalkState->NumOperands, "after AcpiExResolveOperands");
+
+    if (ACPI_FAILURE (Status))
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "(%s) bad operand(s) (%X)\n",
+            AcpiPsGetOpcodeName (Op->Common.AmlOpcode), Status));
+
+        return_ACPI_STATUS (Status);
+    }
+
+    /* Initialize the Buffer Field */
+
+    if (Op->Common.AmlOpcode == AML_CREATE_FIELD_OP)
+    {
+        /* NOTE: Slightly different operands for this opcode */
+
+        Status = AcpiDsInitBufferField (Op->Common.AmlOpcode, ObjDesc,
+                    WalkState->Operands[0], WalkState->Operands[1],
+                    WalkState->Operands[2], WalkState->Operands[3]);
+    }
+    else
+    {
+        /* All other, CreateXxxField opcodes */
+
+        Status = AcpiDsInitBufferField (Op->Common.AmlOpcode, ObjDesc,
+                    WalkState->Operands[0], WalkState->Operands[1],
+                                      NULL, WalkState->Operands[2]);
+    }
+
+    return_ACPI_STATUS (Status);
+}
+
+
+/*****************************************************************************
+ *
+ * FUNCTION:    AcpiDsEvalRegionOperands
+ *
+ * PARAMETERS:  WalkState       - Current walk
+ *              Op              - A valid region Op object
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Get region address and length
+ *              Called from AcpiDsExecEndOp during OpRegion parse tree walk
+ *
+ ****************************************************************************/
+
+ACPI_STATUS
+AcpiDsEvalRegionOperands (
+    ACPI_WALK_STATE         *WalkState,
+    ACPI_PARSE_OBJECT       *Op)
+{
+    ACPI_STATUS             Status;
+    ACPI_OPERAND_OBJECT     *ObjDesc;
+    ACPI_OPERAND_OBJECT     *OperandDesc;
+    ACPI_NAMESPACE_NODE     *Node;
+    ACPI_PARSE_OBJECT       *NextOp;
+
+
+    ACPI_FUNCTION_TRACE_PTR ("DsEvalRegionOperands", Op);
+
+
+    /*
+     * This is where we evaluate the address and length fields of the OpRegion declaration
+     */
+    Node =  Op->Common.Node;
+
+    /* NextOp points to the op that holds the SpaceID */
+
+    NextOp = Op->Common.Value.Arg;
+
+    /* NextOp points to address op */
+
+    NextOp = NextOp->Common.Next;
+
+    /* Evaluate/create the address and length operands */
+
+    Status = AcpiDsCreateOperands (WalkState, NextOp);
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    /* Resolve the length and address operands to numbers */
+
+    Status = AcpiExResolveOperands (Op->Common.AmlOpcode, ACPI_WALK_OPERANDS, WalkState);
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    ACPI_DUMP_OPERANDS (ACPI_WALK_OPERANDS, ACPI_IMODE_EXECUTE,
+                    AcpiPsGetOpcodeName (Op->Common.AmlOpcode),
+                    1, "after AcpiExResolveOperands");
+
+    ObjDesc = AcpiNsGetAttachedObject (Node);
+    if (!ObjDesc)
+    {
+        return_ACPI_STATUS (AE_NOT_EXIST);
+    }
+
+    /*
+     * Get the length operand and save it
+     * (at Top of stack)
+     */
+    OperandDesc = WalkState->Operands[WalkState->NumOperands - 1];
+
+    ObjDesc->Region.Length = (UINT32) OperandDesc->Integer.Value;
+    AcpiUtRemoveReference (OperandDesc);
+
+    /*
+     * Get the address and save it
+     * (at top of stack - 1)
+     */
+    OperandDesc = WalkState->Operands[WalkState->NumOperands - 2];
+
+    ObjDesc->Region.Address = (ACPI_PHYSICAL_ADDRESS) OperandDesc->Integer.Value;
+    AcpiUtRemoveReference (OperandDesc);
+
+    ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "RgnObj %p Addr %8.8X%8.8X Len %X\n",
+        ObjDesc,
+        ACPI_HIDWORD (ObjDesc->Region.Address), ACPI_LODWORD (ObjDesc->Region.Address),
+        ObjDesc->Region.Length));
+
+    /* Now the address and length are valid for this opregion */
+
+    ObjDesc->Region.Flags |= AOPOBJ_DATA_VALID;
+
+    return_ACPI_STATUS (Status);
+}
+
+
+/*****************************************************************************
+ *
+ * FUNCTION:    AcpiDsEvalDataObjectOperands
+ *
+ * PARAMETERS:  WalkState       - Current walk
+ *              Op              - A valid DataObject Op object
+ *              ObjDesc         - DataObject
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Get the operands and complete the following data objec types:
+ *              Buffer
+ *              Package
+ *
+ ****************************************************************************/
+
+ACPI_STATUS
+AcpiDsEvalDataObjectOperands (
+    ACPI_WALK_STATE         *WalkState,
+    ACPI_PARSE_OBJECT       *Op,
+    ACPI_OPERAND_OBJECT     *ObjDesc)
+{
+    ACPI_STATUS             Status;
+    ACPI_OPERAND_OBJECT     *ArgDesc;
+    UINT32                  Length;
+
+
+    ACPI_FUNCTION_TRACE ("DsEvalDataObjectOperands");
+
+
+    /* The first operand (for all of these data objects) is the length */
+
+    Status = AcpiDsCreateOperand (WalkState, Op->Common.Value.Arg, 1);
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    Status = AcpiExResolveOperands (WalkState->Opcode,
+                    &(WalkState->Operands [WalkState->NumOperands -1]),
+                    WalkState);
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    /* Extract length operand */
+
+    ArgDesc = WalkState->Operands [WalkState->NumOperands - 1];
+    Length = (UINT32) ArgDesc->Integer.Value;
+
+    /* Cleanup for length operand */
+
+    Status = AcpiDsObjStackPop (1, WalkState);
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    AcpiUtRemoveReference (ArgDesc);
+
+    /*
+     * Create the actual data object
+     */
+    switch (Op->Common.AmlOpcode)
+    {
+    case AML_BUFFER_OP:
+
+        Status = AcpiDsBuildInternalBufferObj (WalkState, Op, Length, &ObjDesc);
+        break;
+
+    case AML_PACKAGE_OP:
+    case AML_VAR_PACKAGE_OP:
+
+        Status = AcpiDsBuildInternalPackageObj (WalkState, Op, Length, &ObjDesc);
+        break;
+
+    default:
+        return_ACPI_STATUS (AE_AML_BAD_OPCODE);
+    }
+
+    if (ACPI_SUCCESS (Status))
+    {
+        /*
+         * Return the object in the WalkState, unless the parent is a package --
+         * in this case, the return object will be stored in the parse tree
+         * for the package.
+         */
+        if ((!Op->Common.Parent) ||
+            ((Op->Common.Parent->Common.AmlOpcode != AML_PACKAGE_OP) &&
+             (Op->Common.Parent->Common.AmlOpcode != AML_VAR_PACKAGE_OP) &&
+             (Op->Common.Parent->Common.AmlOpcode != AML_NAME_OP)))
+        {
+            WalkState->ResultObj = ObjDesc;
+        }
+    }
+
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDsExecBeginControlOp
+ *
+ * PARAMETERS:  WalkList        - The list that owns the walk stack
+ *              Op              - The control Op
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Handles all control ops encountered during control method
+ *              execution.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiDsExecBeginControlOp (
+    ACPI_WALK_STATE         *WalkState,
+    ACPI_PARSE_OBJECT       *Op)
+{
+    ACPI_STATUS             Status = AE_OK;
+    ACPI_GENERIC_STATE      *ControlState;
+
+
+    ACPI_FUNCTION_NAME ("DsExecBeginControlOp");
+
+
+    ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, "Op=%p Opcode=%2.2X State=%p\n", Op,
+        Op->Common.AmlOpcode, WalkState));
+
+    switch (Op->Common.AmlOpcode)
+    {
+    case AML_IF_OP:
+    case AML_WHILE_OP:
+
+        /*
+         * IF/WHILE: Create a new control state to manage these
+         * constructs. We need to manage these as a stack, in order
+         * to handle nesting.
+         */
+        ControlState = AcpiUtCreateControlState ();
+        if (!ControlState)
+        {
+            Status = AE_NO_MEMORY;
+            break;
+        }
+        /*
+         * Save a pointer to the predicate for multiple executions
+         * of a loop
+         */
+        ControlState->Control.AmlPredicateStart = WalkState->ParserState.Aml - 1;
+        ControlState->Control.PackageEnd = WalkState->ParserState.PkgEnd;
+        ControlState->Control.Opcode = Op->Common.AmlOpcode;
+
+
+        /* Push the control state on this walk's control stack */
+
+        AcpiUtPushGenericState (&WalkState->ControlState, ControlState);
+        break;
+
+    case AML_ELSE_OP:
+
+        /* Predicate is in the state object */
+        /* If predicate is true, the IF was executed, ignore ELSE part */
+
+        if (WalkState->LastPredicate)
+        {
+            Status = AE_CTRL_TRUE;
+        }
+
+        break;
+
+    case AML_RETURN_OP:
+
+        break;
+
+    default:
+        break;
+    }
+
+    return (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDsExecEndControlOp
+ *
+ * PARAMETERS:  WalkList        - The list that owns the walk stack
+ *              Op              - The control Op
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Handles all control ops encountered during control method
+ *              execution.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiDsExecEndControlOp (
+    ACPI_WALK_STATE         *WalkState,
+    ACPI_PARSE_OBJECT       *Op)
+{
+    ACPI_STATUS             Status = AE_OK;
+    ACPI_GENERIC_STATE      *ControlState;
+
+
+    ACPI_FUNCTION_NAME ("DsExecEndControlOp");
+
+
+    switch (Op->Common.AmlOpcode)
+    {
+    case AML_IF_OP:
+
+        ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, "[IF_OP] Op=%p\n", Op));
+
+        /*
+         * Save the result of the predicate in case there is an
+         * ELSE to come
+         */
+        WalkState->LastPredicate =
+            (BOOLEAN) WalkState->ControlState->Common.Value;
+
+        /*
+         * Pop the control state that was created at the start
+         * of the IF and free it
+         */
+        ControlState = AcpiUtPopGenericState (&WalkState->ControlState);
+        AcpiUtDeleteGenericState (ControlState);
+        break;
+
+
+    case AML_ELSE_OP:
+
+        break;
+
+
+    case AML_WHILE_OP:
+
+        ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, "[WHILE_OP] Op=%p\n", Op));
+
+        if (WalkState->ControlState->Common.Value)
+        {
+            /* Predicate was true, go back and evaluate it again! */
+
+            Status = AE_CTRL_PENDING;
+        }
+
+        ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, "[WHILE_OP] termination! Op=%p\n", Op));
+
+        /* Pop this control state and free it */
+
+        ControlState = AcpiUtPopGenericState (&WalkState->ControlState);
+
+        WalkState->AmlLastWhile = ControlState->Control.AmlPredicateStart;
+        AcpiUtDeleteGenericState (ControlState);
+        break;
+
+
+    case AML_RETURN_OP:
+
+        ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH,
+            "[RETURN_OP] Op=%p Arg=%p\n",Op, Op->Common.Value.Arg));
+
+        /*
+         * One optional operand -- the return value
+         * It can be either an immediate operand or a result that
+         * has been bubbled up the tree
+         */
+        if (Op->Common.Value.Arg)
+        {
+            /* Return statement has an immediate operand */
+
+            Status = AcpiDsCreateOperands (WalkState, Op->Common.Value.Arg);
+            if (ACPI_FAILURE (Status))
+            {
+                return (Status);
+            }
+
+            /*
+             * If value being returned is a Reference (such as
+             * an arg or local), resolve it now because it may
+             * cease to exist at the end of the method.
+             */
+            Status = AcpiExResolveToValue (&WalkState->Operands [0], WalkState);
+            if (ACPI_FAILURE (Status))
+            {
+                return (Status);
+            }
+
+            /*
+             * Get the return value and save as the last result
+             * value.  This is the only place where WalkState->ReturnDesc
+             * is set to anything other than zero!
+             */
+            WalkState->ReturnDesc = WalkState->Operands[0];
+        }
+        else if ((WalkState->Results) &&
+                 (WalkState->Results->Results.NumResults > 0))
+        {
+            /*
+             * The return value has come from a previous calculation.
+             *
+             * If value being returned is a Reference (such as
+             * an arg or local), resolve it now because it may
+             * cease to exist at the end of the method.
+             *
+             * Allow references created by the Index operator to return unchanged.
+             */
+            if ((ACPI_GET_DESCRIPTOR_TYPE (WalkState->Results->Results.ObjDesc[0]) == ACPI_DESC_TYPE_OPERAND) &&
+                (ACPI_GET_OBJECT_TYPE (WalkState->Results->Results.ObjDesc [0]) == ACPI_TYPE_LOCAL_REFERENCE) &&
+                ((WalkState->Results->Results.ObjDesc [0])->Reference.Opcode != AML_INDEX_OP))
+            {
+                Status = AcpiExResolveToValue (&WalkState->Results->Results.ObjDesc [0], WalkState);
+                if (ACPI_FAILURE (Status))
+                {
+                    return (Status);
+                }
+            }
+
+            WalkState->ReturnDesc = WalkState->Results->Results.ObjDesc [0];
+        }
+        else
+        {
+            /* No return operand */
+
+            if (WalkState->NumOperands)
+            {
+                AcpiUtRemoveReference (WalkState->Operands [0]);
+            }
+
+            WalkState->Operands [0]     = NULL;
+            WalkState->NumOperands      = 0;
+            WalkState->ReturnDesc       = NULL;
+        }
+
+
+        ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH,
+            "Completed RETURN_OP State=%p, RetVal=%p\n",
+            WalkState, WalkState->ReturnDesc));
+
+        /* End the control method execution right now */
+
+        Status = AE_CTRL_TERMINATE;
+        break;
+
+
+    case AML_NOOP_OP:
+
+        /* Just do nothing! */
+        break;
+
+
+    case AML_BREAK_POINT_OP:
+
+        /* Call up to the OS service layer to handle this */
+
+        Status = AcpiOsSignal (ACPI_SIGNAL_BREAKPOINT, "Executed AML Breakpoint opcode");
+
+        /* If and when it returns, all done. */
+
+        break;
+
+
+    case AML_BREAK_OP:
+    case AML_CONTINUE_OP: /* ACPI 2.0 */
+
+
+        /* Pop and delete control states until we find a while */
+
+        while (WalkState->ControlState &&
+                (WalkState->ControlState->Control.Opcode != AML_WHILE_OP))
+        {
+            ControlState = AcpiUtPopGenericState (&WalkState->ControlState);
+            AcpiUtDeleteGenericState (ControlState);
+        }
+
+        /* No while found? */
+
+        if (!WalkState->ControlState)
+        {
+            return (AE_AML_NO_WHILE);
+        }
+
+        /* Was: WalkState->AmlLastWhile = WalkState->ControlState->Control.AmlPredicateStart; */
+
+        WalkState->AmlLastWhile = WalkState->ControlState->Control.PackageEnd;
+
+        /* Return status depending on opcode */
+
+        if (Op->Common.AmlOpcode == AML_BREAK_OP)
+        {
+            Status = AE_CTRL_BREAK;
+        }
+        else
+        {
+            Status = AE_CTRL_CONTINUE;
+        }
+        break;
+
+
+    default:
+
+        ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Unknown control opcode=%X Op=%p\n",
+            Op->Common.AmlOpcode, Op));
+
+        Status = AE_AML_BAD_OPCODE;
+        break;
+    }
+
+    return (Status);
+}
+
diff --git a/sys/contrib/dev/acpica/dsutils.c b/sys/contrib/dev/acpica/dsutils.c
new file mode 100644
index 0000000..4c553d3
--- /dev/null
+++ b/sys/contrib/dev/acpica/dsutils.c
@@ -0,0 +1,720 @@
+/*******************************************************************************
+ *
+ * Module Name: dsutils - Dispatcher utilities
+ *              $Revision: 97 $
+ *
+ ******************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+#define __DSUTILS_C__
+
+#include "acpi.h"
+#include "acparser.h"
+#include "amlcode.h"
+#include "acdispat.h"
+#include "acinterp.h"
+#include "acnamesp.h"
+#include "acdebug.h"
+
+#define _COMPONENT          ACPI_DISPATCHER
+        ACPI_MODULE_NAME    ("dsutils")
+
+#ifndef ACPI_NO_METHOD_EXECUTION
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDsIsResultUsed
+ *
+ * PARAMETERS:  Op
+ *              ResultObj
+ *              WalkState
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Check if a result object will be used by the parent
+ *
+ ******************************************************************************/
+
+BOOLEAN
+AcpiDsIsResultUsed (
+    ACPI_PARSE_OBJECT       *Op,
+    ACPI_WALK_STATE         *WalkState)
+{
+    const ACPI_OPCODE_INFO  *ParentInfo;
+
+
+    ACPI_FUNCTION_TRACE_PTR ("DsIsResultUsed", Op);
+
+
+    /* Must have both an Op and a Result Object */
+
+    if (!Op)
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Null Op\n"));
+        return_VALUE (TRUE);
+    }
+
+    /*
+     * If there is no parent, the result can't possibly be used!
+     * (An executing method typically has no parent, since each
+     * method is parsed separately)  However, a method that is
+     * invoked from another method has a parent.
+     */
+    if (!Op->Common.Parent)
+    {
+        return_VALUE (FALSE);
+    }
+
+    /*
+     * Get info on the parent.  The root Op is AML_SCOPE
+     */
+    ParentInfo = AcpiPsGetOpcodeInfo (Op->Common.Parent->Common.AmlOpcode);
+    if (ParentInfo->Class == AML_CLASS_UNKNOWN)
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Unknown parent opcode. Op=%p\n", Op));
+        return_VALUE (FALSE);
+    }
+
+    /*
+     * Decide what to do with the result based on the parent.  If
+     * the parent opcode will not use the result, delete the object.
+     * Otherwise leave it as is, it will be deleted when it is used
+     * as an operand later.
+     */
+    switch (ParentInfo->Class)
+    {
+    case AML_CLASS_CONTROL:
+
+        switch (Op->Common.Parent->Common.AmlOpcode)
+        {
+        case AML_RETURN_OP:
+
+            /* Never delete the return value associated with a return opcode */
+
+            goto ResultUsed;
+
+        case AML_IF_OP:
+        case AML_WHILE_OP:
+
+            /*
+             * If we are executing the predicate AND this is the predicate op,
+             * we will use the return value
+             */
+            if ((WalkState->ControlState->Common.State == ACPI_CONTROL_PREDICATE_EXECUTING) &&
+                (WalkState->ControlState->Control.PredicateOp == Op))
+            {
+                goto ResultUsed;
+            }
+            break;
+
+        default:
+            /* Ignore other control opcodes */
+            break;
+        }
+
+        /* The general control opcode returns no result */
+
+        goto ResultNotUsed;
+
+
+    case AML_CLASS_CREATE:
+
+        /*
+         * These opcodes allow TermArg(s) as operands and therefore
+         * the operands can be method calls.  The result is used.
+         */
+        goto ResultUsed;
+
+
+    case AML_CLASS_NAMED_OBJECT:
+
+        if ((Op->Common.Parent->Common.AmlOpcode == AML_REGION_OP)       ||
+            (Op->Common.Parent->Common.AmlOpcode == AML_DATA_REGION_OP)  ||
+            (Op->Common.Parent->Common.AmlOpcode == AML_PACKAGE_OP)      ||
+            (Op->Common.Parent->Common.AmlOpcode == AML_VAR_PACKAGE_OP)  ||
+            (Op->Common.Parent->Common.AmlOpcode == AML_BUFFER_OP)       ||
+            (Op->Common.Parent->Common.AmlOpcode == AML_INT_EVAL_SUBTREE_OP))
+        {
+            /*
+             * These opcodes allow TermArg(s) as operands and therefore
+             * the operands can be method calls.  The result is used.
+             */
+            goto ResultUsed;
+        }
+
+        goto ResultNotUsed;
+
+
+    default:
+
+        /*
+         * In all other cases. the parent will actually use the return
+         * object, so keep it.
+         */
+        goto ResultUsed;
+    }
+
+
+ResultUsed:
+    ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, "Result of [%s] used by Parent [%s] Op=%p\n",
+            AcpiPsGetOpcodeName (Op->Common.AmlOpcode),
+            AcpiPsGetOpcodeName (Op->Common.Parent->Common.AmlOpcode), Op));
+
+    return_VALUE (TRUE);
+
+
+ResultNotUsed:
+    ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, "Result of [%s] not used by Parent [%s] Op=%p\n",
+            AcpiPsGetOpcodeName (Op->Common.AmlOpcode),
+            AcpiPsGetOpcodeName (Op->Common.Parent->Common.AmlOpcode), Op));
+
+    return_VALUE (FALSE);
+
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDsDeleteResultIfNotUsed
+ *
+ * PARAMETERS:  Op
+ *              ResultObj
+ *              WalkState
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Used after interpretation of an opcode.  If there is an internal
+ *              result descriptor, check if the parent opcode will actually use
+ *              this result.  If not, delete the result now so that it will
+ *              not become orphaned.
+ *
+ ******************************************************************************/
+
+void
+AcpiDsDeleteResultIfNotUsed (
+    ACPI_PARSE_OBJECT       *Op,
+    ACPI_OPERAND_OBJECT     *ResultObj,
+    ACPI_WALK_STATE         *WalkState)
+{
+    ACPI_OPERAND_OBJECT     *ObjDesc;
+    ACPI_STATUS             Status;
+
+
+    ACPI_FUNCTION_TRACE_PTR ("DsDeleteResultIfNotUsed", ResultObj);
+
+
+    if (!Op)
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Null Op\n"));
+        return_VOID;
+    }
+
+    if (!ResultObj)
+    {
+        return_VOID;
+    }
+
+
+    if (!AcpiDsIsResultUsed (Op, WalkState))
+    {
+        /*
+         * Must pop the result stack (ObjDesc should be equal to ResultObj)
+         */
+        Status = AcpiDsResultPop (&ObjDesc, WalkState);
+        if (ACPI_SUCCESS (Status))
+        {
+            AcpiUtRemoveReference (ResultObj);
+        }
+    }
+
+    return_VOID;
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDsResolveOperands
+ *
+ * PARAMETERS:  WalkState           - Current walk state with operands on stack
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Resolve all operands to their values.  Used to prepare
+ *              arguments to a control method invocation (a call from one
+ *              method to another.)
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiDsResolveOperands (
+    ACPI_WALK_STATE         *WalkState)
+{
+    UINT32                  i;
+    ACPI_STATUS             Status = AE_OK;
+
+
+    ACPI_FUNCTION_TRACE_PTR ("DsResolveOperands", WalkState);
+
+
+    /*
+     * Attempt to resolve each of the valid operands
+     * Method arguments are passed by value, not by reference
+     */
+    for (i = 0; i < WalkState->NumOperands; i++)
+    {
+        Status = AcpiExResolveToValue (&WalkState->Operands[i], WalkState);
+        if (ACPI_FAILURE (Status))
+        {
+            break;
+        }
+    }
+
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDsClearOperands
+ *
+ * PARAMETERS:  WalkState           - Current walk state with operands on stack
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Clear all operands on the current walk state operand stack.
+ *
+ ******************************************************************************/
+
+void
+AcpiDsClearOperands (
+    ACPI_WALK_STATE         *WalkState)
+{
+    UINT32                  i;
+
+
+    ACPI_FUNCTION_TRACE_PTR ("AcpiDsClearOperands", WalkState);
+
+
+    /*
+     * Remove a reference on each operand on the stack
+     */
+    for (i = 0; i < WalkState->NumOperands; i++)
+    {
+        /*
+         * Remove a reference to all operands, including both
+         * "Arguments" and "Targets".
+         */
+        AcpiUtRemoveReference (WalkState->Operands[i]);
+        WalkState->Operands[i] = NULL;
+    }
+
+    WalkState->NumOperands = 0;
+    return_VOID;
+}
+#endif
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDsCreateOperand
+ *
+ * PARAMETERS:  WalkState
+ *              Arg
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Translate a parse tree object that is an argument to an AML
+ *              opcode to the equivalent interpreter object.  This may include
+ *              looking up a name or entering a new name into the internal
+ *              namespace.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiDsCreateOperand (
+    ACPI_WALK_STATE         *WalkState,
+    ACPI_PARSE_OBJECT       *Arg,
+    UINT32                  ArgIndex)
+{
+    ACPI_STATUS             Status = AE_OK;
+    NATIVE_CHAR             *NameString;
+    UINT32                  NameLength;
+    ACPI_OPERAND_OBJECT     *ObjDesc;
+    ACPI_PARSE_OBJECT       *ParentOp;
+    UINT16                  Opcode;
+    ACPI_INTERPRETER_MODE   InterpreterMode;
+    const ACPI_OPCODE_INFO  *OpInfo;
+
+
+    ACPI_FUNCTION_TRACE_PTR ("DsCreateOperand", Arg);
+
+
+    /* A valid name must be looked up in the namespace */
+
+    if ((Arg->Common.AmlOpcode == AML_INT_NAMEPATH_OP) &&
+        (Arg->Common.Value.String))
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, "Getting a name: Arg=%p\n", Arg));
+
+        /* Get the entire name string from the AML stream */
+
+        Status = AcpiExGetNameString (ACPI_TYPE_ANY, Arg->Common.Value.Buffer,
+                        &NameString, &NameLength);
+
+        if (ACPI_FAILURE (Status))
+        {
+            return_ACPI_STATUS (Status);
+        }
+
+        /*
+         * All prefixes have been handled, and the name is
+         * in NameString
+         */
+
+        /*
+         * Differentiate between a namespace "create" operation
+         * versus a "lookup" operation (IMODE_LOAD_PASS2 vs.
+         * IMODE_EXECUTE) in order to support the creation of
+         * namespace objects during the execution of control methods.
+         */
+        ParentOp = Arg->Common.Parent;
+        OpInfo = AcpiPsGetOpcodeInfo (ParentOp->Common.AmlOpcode);
+        if ((OpInfo->Flags & AML_NSNODE) &&
+            (ParentOp->Common.AmlOpcode != AML_INT_METHODCALL_OP) &&
+            (ParentOp->Common.AmlOpcode != AML_REGION_OP) &&
+            (ParentOp->Common.AmlOpcode != AML_INT_NAMEPATH_OP))
+        {
+            /* Enter name into namespace if not found */
+
+            InterpreterMode = ACPI_IMODE_LOAD_PASS2;
+        }
+
+        else
+        {
+            /* Return a failure if name not found */
+
+            InterpreterMode = ACPI_IMODE_EXECUTE;
+        }
+
+        Status = AcpiNsLookup (WalkState->ScopeInfo, NameString,
+                                ACPI_TYPE_ANY, InterpreterMode,
+                                ACPI_NS_SEARCH_PARENT | ACPI_NS_DONT_OPEN_SCOPE,
+                                WalkState,
+                                ACPI_CAST_INDIRECT_PTR (ACPI_NAMESPACE_NODE, &ObjDesc));
+        /*
+         * The only case where we pass through (ignore) a NOT_FOUND
+         * error is for the CondRefOf opcode.
+         */
+        if (Status == AE_NOT_FOUND)
+        {
+            if (ParentOp->Common.AmlOpcode == AML_COND_REF_OF_OP)
+            {
+                /*
+                 * For the Conditional Reference op, it's OK if
+                 * the name is not found;  We just need a way to
+                 * indicate this to the interpreter, set the
+                 * object to the root
+                 */
+                ObjDesc = ACPI_CAST_PTR (ACPI_OPERAND_OBJECT, AcpiGbl_RootNode);
+                Status = AE_OK;
+            }
+
+            else
+            {
+                /*
+                 * We just plain didn't find it -- which is a
+                 * very serious error at this point
+                 */
+                Status = AE_AML_NAME_NOT_FOUND;
+            }
+        }
+
+        if (ACPI_FAILURE (Status))
+        {
+            ACPI_REPORT_NSERROR (NameString, Status);
+        }
+
+        /* Free the namestring created above */
+
+        ACPI_MEM_FREE (NameString);
+
+        /* Check status from the lookup */
+
+        if (ACPI_FAILURE (Status))
+        {
+            return_ACPI_STATUS (Status);
+        }
+
+        /* Put the resulting object onto the current object stack */
+
+        Status = AcpiDsObjStackPush (ObjDesc, WalkState);
+        if (ACPI_FAILURE (Status))
+        {
+            return_ACPI_STATUS (Status);
+        }
+        ACPI_DEBUGGER_EXEC (AcpiDbDisplayArgumentObject (ObjDesc, WalkState));
+    }
+
+
+    else
+    {
+        /* Check for null name case */
+
+        if (Arg->Common.AmlOpcode == AML_INT_NAMEPATH_OP)
+        {
+            /*
+             * If the name is null, this means that this is an
+             * optional result parameter that was not specified
+             * in the original ASL.  Create a Zero Constant for a
+             * placeholder.  (Store to a constant is a Noop.)
+             */
+            Opcode = AML_ZERO_OP;       /* Has no arguments! */
+
+            ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, "Null namepath: Arg=%p\n", Arg));
+        }
+
+        else
+        {
+            Opcode = Arg->Common.AmlOpcode;
+        }
+
+        /* Get the object type of the argument */
+
+        OpInfo = AcpiPsGetOpcodeInfo (Opcode);
+        if (OpInfo->ObjectType == ACPI_TYPE_INVALID)
+        {
+            return_ACPI_STATUS (AE_NOT_IMPLEMENTED);
+        }
+
+        if (OpInfo->Flags & AML_HAS_RETVAL)
+        {
+            ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH,
+                "Argument previously created, already stacked \n"));
+
+            ACPI_DEBUGGER_EXEC (AcpiDbDisplayArgumentObject (
+                WalkState->Operands [WalkState->NumOperands - 1], WalkState));
+
+            /*
+             * Use value that was already previously returned
+             * by the evaluation of this argument
+             */
+            Status = AcpiDsResultPopFromBottom (&ObjDesc, WalkState);
+            if (ACPI_FAILURE (Status))
+            {
+                /*
+                 * Only error is underflow, and this indicates
+                 * a missing or null operand!
+                 */
+                ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Missing or null operand, %s\n",
+                    AcpiFormatException (Status)));
+                return_ACPI_STATUS (Status);
+            }
+        }
+        else
+        {
+            /* Create an ACPI_INTERNAL_OBJECT for the argument */
+
+            ObjDesc = AcpiUtCreateInternalObject (OpInfo->ObjectType);
+            if (!ObjDesc)
+            {
+                return_ACPI_STATUS (AE_NO_MEMORY);
+            }
+
+            /* Initialize the new object */
+
+            Status = AcpiDsInitObjectFromOp (WalkState, Arg,
+                                                Opcode, &ObjDesc);
+            if (ACPI_FAILURE (Status))
+            {
+                AcpiUtDeleteObjectDesc (ObjDesc);
+                return_ACPI_STATUS (Status);
+            }
+        }
+
+        /* Put the operand object on the object stack */
+
+        Status = AcpiDsObjStackPush (ObjDesc, WalkState);
+        if (ACPI_FAILURE (Status))
+        {
+            return_ACPI_STATUS (Status);
+        }
+
+        ACPI_DEBUGGER_EXEC (AcpiDbDisplayArgumentObject (ObjDesc, WalkState));
+    }
+
+    return_ACPI_STATUS (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDsCreateOperands
+ *
+ * PARAMETERS:  FirstArg            - First argument of a parser argument tree
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Convert an operator's arguments from a parse tree format to
+ *              namespace objects and place those argument object on the object
+ *              stack in preparation for evaluation by the interpreter.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiDsCreateOperands (
+    ACPI_WALK_STATE         *WalkState,
+    ACPI_PARSE_OBJECT       *FirstArg)
+{
+    ACPI_STATUS             Status = AE_OK;
+    ACPI_PARSE_OBJECT       *Arg;
+    UINT32                  ArgCount = 0;
+
+
+    ACPI_FUNCTION_TRACE_PTR ("DsCreateOperands", FirstArg);
+
+
+    /* For all arguments in the list... */
+
+    Arg = FirstArg;
+    while (Arg)
+    {
+        Status = AcpiDsCreateOperand (WalkState, Arg, ArgCount);
+        if (ACPI_FAILURE (Status))
+        {
+            goto Cleanup;
+        }
+
+        ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, "Arg #%d (%p) done, Arg1=%p\n",
+            ArgCount, Arg, FirstArg));
+
+        /* Move on to next argument, if any */
+
+        Arg = Arg->Common.Next;
+        ArgCount++;
+    }
+
+    return_ACPI_STATUS (Status);
+
+
+Cleanup:
+    /*
+     * We must undo everything done above; meaning that we must
+     * pop everything off of the operand stack and delete those
+     * objects
+     */
+    (void) AcpiDsObjStackPopAndDelete (ArgCount, WalkState);
+
+    ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "While creating Arg %d - %s\n",
+        (ArgCount + 1), AcpiFormatException (Status)));
+    return_ACPI_STATUS (Status);
+}
+
+
diff --git a/sys/contrib/dev/acpica/dswexec.c b/sys/contrib/dev/acpica/dswexec.c
new file mode 100644
index 0000000..f90dd08
--- /dev/null
+++ b/sys/contrib/dev/acpica/dswexec.c
@@ -0,0 +1,772 @@
+/******************************************************************************
+ *
+ * Module Name: dswexec - Dispatcher method execution callbacks;
+ *                        dispatch to interpreter.
+ *              $Revision: 96 $
+ *
+ *****************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+#define __DSWEXEC_C__
+
+#include "acpi.h"
+#include "acparser.h"
+#include "amlcode.h"
+#include "acdispat.h"
+#include "acinterp.h"
+#include "acnamesp.h"
+#include "acdebug.h"
+
+
+#define _COMPONENT          ACPI_DISPATCHER
+        ACPI_MODULE_NAME    ("dswexec")
+
+/*
+ * Dispatch table for opcode classes
+ */
+static ACPI_EXECUTE_OP      AcpiGbl_OpTypeDispatch [] = {
+                            AcpiExOpcode_1A_0T_0R,
+                            AcpiExOpcode_1A_0T_1R,
+                            AcpiExOpcode_1A_1T_0R,
+                            AcpiExOpcode_1A_1T_1R,
+                            AcpiExOpcode_2A_0T_0R,
+                            AcpiExOpcode_2A_0T_1R,
+                            AcpiExOpcode_2A_1T_1R,
+                            AcpiExOpcode_2A_2T_1R,
+                            AcpiExOpcode_3A_0T_0R,
+                            AcpiExOpcode_3A_1T_1R,
+                            AcpiExOpcode_6A_0T_1R};
+
+/*****************************************************************************
+ *
+ * FUNCTION:    AcpiDsGetPredicateValue
+ *
+ * PARAMETERS:  WalkState       - Current state of the parse tree walk
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Get the result of a predicate evaluation
+ *
+ ****************************************************************************/
+
+ACPI_STATUS
+AcpiDsGetPredicateValue (
+    ACPI_WALK_STATE         *WalkState,
+    ACPI_OPERAND_OBJECT     *ResultObj)
+{
+    ACPI_STATUS             Status = AE_OK;
+    ACPI_OPERAND_OBJECT     *ObjDesc;
+
+
+    ACPI_FUNCTION_TRACE_PTR ("DsGetPredicateValue", WalkState);
+
+
+    WalkState->ControlState->Common.State = 0;
+
+    if (ResultObj)
+    {
+        Status = AcpiDsResultPop (&ObjDesc, WalkState);
+        if (ACPI_FAILURE (Status))
+        {
+            ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+                "Could not get result from predicate evaluation, %s\n",
+                AcpiFormatException (Status)));
+
+            return_ACPI_STATUS (Status);
+        }
+    }
+    else
+    {
+        Status = AcpiDsCreateOperand (WalkState, WalkState->Op, 0);
+        if (ACPI_FAILURE (Status))
+        {
+            return_ACPI_STATUS (Status);
+        }
+
+        Status = AcpiExResolveToValue (&WalkState->Operands [0], WalkState);
+        if (ACPI_FAILURE (Status))
+        {
+            return_ACPI_STATUS (Status);
+        }
+
+        ObjDesc = WalkState->Operands [0];
+    }
+
+    if (!ObjDesc)
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "No predicate ObjDesc=%p State=%p\n",
+            ObjDesc, WalkState));
+
+        return_ACPI_STATUS (AE_AML_NO_OPERAND);
+    }
+
+    /*
+     * Result of predicate evaluation currently must
+     * be a number
+     */
+    if (ACPI_GET_OBJECT_TYPE (ObjDesc) != ACPI_TYPE_INTEGER)
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+            "Bad predicate (not a number) ObjDesc=%p State=%p Type=%X\n",
+            ObjDesc, WalkState, ACPI_GET_OBJECT_TYPE (ObjDesc)));
+
+        Status = AE_AML_OPERAND_TYPE;
+        goto Cleanup;
+    }
+
+    /* Truncate the predicate to 32-bits if necessary */
+
+    AcpiExTruncateFor32bitTable (ObjDesc);
+
+    /*
+     * Save the result of the predicate evaluation on
+     * the control stack
+     */
+    if (ObjDesc->Integer.Value)
+    {
+        WalkState->ControlState->Common.Value = TRUE;
+    }
+    else
+    {
+        /*
+         * Predicate is FALSE, we will just toss the
+         * rest of the package
+         */
+        WalkState->ControlState->Common.Value = FALSE;
+        Status = AE_CTRL_FALSE;
+    }
+
+
+Cleanup:
+
+    ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Completed a predicate eval=%X Op=%p\n",
+        WalkState->ControlState->Common.Value, WalkState->Op));
+
+     /* Break to debugger to display result */
+
+    ACPI_DEBUGGER_EXEC (AcpiDbDisplayResultObject (ObjDesc, WalkState));
+
+    /*
+     * Delete the predicate result object (we know that
+     * we don't need it anymore)
+     */
+    AcpiUtRemoveReference (ObjDesc);
+
+    WalkState->ControlState->Common.State = ACPI_CONTROL_NORMAL;
+    return_ACPI_STATUS (Status);
+}
+
+
+/*****************************************************************************
+ *
+ * FUNCTION:    AcpiDsExecBeginOp
+ *
+ * PARAMETERS:  WalkState       - Current state of the parse tree walk
+ *              OutOp           - Return op if a new one is created
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Descending callback used during the execution of control
+ *              methods.  This is where most operators and operands are
+ *              dispatched to the interpreter.
+ *
+ ****************************************************************************/
+
+ACPI_STATUS
+AcpiDsExecBeginOp (
+    ACPI_WALK_STATE         *WalkState,
+    ACPI_PARSE_OBJECT       **OutOp)
+{
+    ACPI_PARSE_OBJECT       *Op;
+    ACPI_STATUS             Status = AE_OK;
+    UINT32                  OpcodeClass;
+
+
+    ACPI_FUNCTION_TRACE_PTR ("DsExecBeginOp", WalkState);
+
+
+    Op = WalkState->Op;
+    if (!Op)
+    {
+        Status = AcpiDsLoad2BeginOp (WalkState, OutOp);
+        if (ACPI_FAILURE (Status))
+        {
+            return_ACPI_STATUS (Status);
+        }
+
+        Op = *OutOp;
+        WalkState->Op = Op;
+        WalkState->Opcode = Op->Common.AmlOpcode;
+        WalkState->OpInfo = AcpiPsGetOpcodeInfo (Op->Common.AmlOpcode);
+
+        if (AcpiNsOpensScope (WalkState->OpInfo->ObjectType))
+        {
+            ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, "(%s) Popping scope for Op %p\n",
+                AcpiUtGetTypeName (WalkState->OpInfo->ObjectType), Op));
+
+            Status = AcpiDsScopeStackPop (WalkState);
+            if (ACPI_FAILURE (Status))
+            {
+                return_ACPI_STATUS (Status);
+            }
+        }
+    }
+
+    if (Op == WalkState->Origin)
+    {
+        if (OutOp)
+        {
+            *OutOp = Op;
+        }
+
+        return_ACPI_STATUS (AE_OK);
+    }
+
+    /*
+     * If the previous opcode was a conditional, this opcode
+     * must be the beginning of the associated predicate.
+     * Save this knowledge in the current scope descriptor
+     */
+    if ((WalkState->ControlState) &&
+        (WalkState->ControlState->Common.State ==
+            ACPI_CONTROL_CONDITIONAL_EXECUTING))
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Exec predicate Op=%p State=%p\n",
+                        Op, WalkState));
+
+        WalkState->ControlState->Common.State = ACPI_CONTROL_PREDICATE_EXECUTING;
+
+        /* Save start of predicate */
+
+        WalkState->ControlState->Control.PredicateOp = Op;
+    }
+
+
+    OpcodeClass = WalkState->OpInfo->Class;
+
+    /* We want to send namepaths to the load code */
+
+    if (Op->Common.AmlOpcode == AML_INT_NAMEPATH_OP)
+    {
+        OpcodeClass = AML_CLASS_NAMED_OBJECT;
+    }
+
+    /*
+     * Handle the opcode based upon the opcode type
+     */
+    switch (OpcodeClass)
+    {
+    case AML_CLASS_CONTROL:
+
+        Status = AcpiDsResultStackPush (WalkState);
+        if (ACPI_FAILURE (Status))
+        {
+            return_ACPI_STATUS (Status);
+        }
+
+        Status = AcpiDsExecBeginControlOp (WalkState, Op);
+        break;
+
+
+    case AML_CLASS_NAMED_OBJECT:
+
+        if (WalkState->WalkType == ACPI_WALK_METHOD)
+        {
+            /*
+             * Found a named object declaration during method
+             * execution;  we must enter this object into the
+             * namespace.  The created object is temporary and
+             * will be deleted upon completion of the execution
+             * of this method.
+             */
+            Status = AcpiDsLoad2BeginOp (WalkState, NULL);
+        }
+
+        if (Op->Common.AmlOpcode == AML_REGION_OP)
+        {
+            Status = AcpiDsResultStackPush (WalkState);
+        }
+        break;
+
+
+    case AML_CLASS_EXECUTE:
+    case AML_CLASS_CREATE:
+
+        /* most operators with arguments */
+        /* Start a new result/operand state */
+
+        Status = AcpiDsResultStackPush (WalkState);
+        break;
+
+
+    default:
+        break;
+    }
+
+    /* Nothing to do here during method execution */
+
+    return_ACPI_STATUS (Status);
+}
+
+
+/*****************************************************************************
+ *
+ * FUNCTION:    AcpiDsExecEndOp
+ *
+ * PARAMETERS:  WalkState       - Current state of the parse tree walk
+ *              Op              - Op that has been just been completed in the
+ *                                walk;  Arguments have now been evaluated.
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Ascending callback used during the execution of control
+ *              methods.  The only thing we really need to do here is to
+ *              notice the beginning of IF, ELSE, and WHILE blocks.
+ *
+ ****************************************************************************/
+
+ACPI_STATUS
+AcpiDsExecEndOp (
+    ACPI_WALK_STATE         *WalkState)
+{
+    ACPI_PARSE_OBJECT       *Op;
+    ACPI_STATUS             Status = AE_OK;
+    UINT32                  OpType;
+    UINT32                  OpClass;
+    ACPI_PARSE_OBJECT       *NextOp;
+    ACPI_PARSE_OBJECT       *FirstArg;
+
+
+    ACPI_FUNCTION_TRACE_PTR ("DsExecEndOp", WalkState);
+
+
+    Op      = WalkState->Op;
+    OpType  = WalkState->OpInfo->Type;
+    OpClass = WalkState->OpInfo->Class;
+
+    if (OpClass == AML_CLASS_UNKNOWN)
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Unknown opcode %X\n", Op->Common.AmlOpcode));
+        return_ACPI_STATUS (AE_NOT_IMPLEMENTED);
+    }
+
+    FirstArg = Op->Common.Value.Arg;
+
+    /* Init the walk state */
+
+    WalkState->NumOperands = 0;
+    WalkState->ReturnDesc = NULL;
+    WalkState->ResultObj = NULL;
+
+    /* Call debugger for single step support (DEBUG build only) */
+
+    ACPI_DEBUGGER_EXEC (Status = AcpiDbSingleStep (WalkState, Op, OpClass));
+    ACPI_DEBUGGER_EXEC (if (ACPI_FAILURE (Status)) {return_ACPI_STATUS (Status);});
+
+    /* Decode the Opcode Class */
+
+    switch (OpClass)
+    {
+    case AML_CLASS_ARGUMENT:    /* constants, literals, etc. -- do nothing */
+        break;
+
+
+    case AML_CLASS_EXECUTE:     /* most operators with arguments */
+
+        /* Build resolved operand stack */
+
+        Status = AcpiDsCreateOperands (WalkState, FirstArg);
+        if (ACPI_FAILURE (Status))
+        {
+            goto Cleanup;
+        }
+
+        /* Done with this result state (Now that operand stack is built) */
+
+        Status = AcpiDsResultStackPop (WalkState);
+        if (ACPI_FAILURE (Status))
+        {
+            goto Cleanup;
+        }
+
+        /* Resolve all operands */
+
+        Status = AcpiExResolveOperands (WalkState->Opcode,
+                        &(WalkState->Operands [WalkState->NumOperands -1]),
+                        WalkState);
+        if (ACPI_SUCCESS (Status))
+        {
+            ACPI_DUMP_OPERANDS (ACPI_WALK_OPERANDS, ACPI_IMODE_EXECUTE,
+                            AcpiPsGetOpcodeName (WalkState->Opcode),
+                            WalkState->NumOperands, "after ExResolveOperands");
+
+            /*
+             * Dispatch the request to the appropriate interpreter handler
+             * routine.  There is one routine per opcode "type" based upon the
+             * number of opcode arguments and return type.
+             */
+            Status = AcpiGbl_OpTypeDispatch [OpType] (WalkState);
+        }
+        else
+        {
+            ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+                "[%s]: Could not resolve operands, %s\n",
+                AcpiPsGetOpcodeName (WalkState->Opcode),
+                AcpiFormatException (Status)));
+        }
+
+        /* Always delete the argument objects and clear the operand stack */
+
+        AcpiDsClearOperands (WalkState);
+
+        /*
+         * If a result object was returned from above, push it on the
+         * current result stack
+         */
+        if (ACPI_SUCCESS (Status) &&
+            WalkState->ResultObj)
+        {
+            Status = AcpiDsResultPush (WalkState->ResultObj, WalkState);
+        }
+
+        break;
+
+
+    default:
+
+        switch (OpType)
+        {
+        case AML_TYPE_CONTROL:    /* Type 1 opcode, IF/ELSE/WHILE/NOOP */
+
+            /* 1 Operand, 0 ExternalResult, 0 InternalResult */
+
+            Status = AcpiDsExecEndControlOp (WalkState, Op);
+            if (ACPI_FAILURE (Status))
+            {
+                break;
+            }
+
+            Status = AcpiDsResultStackPop (WalkState);
+            break;
+
+
+        case AML_TYPE_METHOD_CALL:
+
+            ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, "Method invocation, Op=%p\n", Op));
+
+            /*
+             * (AML_METHODCALL) Op->Value->Arg->Node contains
+             * the method Node pointer
+             */
+            /* NextOp points to the op that holds the method name */
+
+            NextOp = FirstArg;
+
+            /* NextOp points to first argument op */
+
+            NextOp = NextOp->Common.Next;
+
+            /*
+             * Get the method's arguments and put them on the operand stack
+             */
+            Status = AcpiDsCreateOperands (WalkState, NextOp);
+            if (ACPI_FAILURE (Status))
+            {
+                break;
+            }
+
+            /*
+             * Since the operands will be passed to another control method,
+             * we must resolve all local references here (Local variables,
+             * arguments to *this* method, etc.)
+             */
+            Status = AcpiDsResolveOperands (WalkState);
+            if (ACPI_FAILURE (Status))
+            {
+                /* On error, clear all resolved operands */
+
+                AcpiDsClearOperands (WalkState);
+                break;
+            }
+
+            /*
+             * Tell the walk loop to preempt this running method and
+             * execute the new method
+             */
+            Status = AE_CTRL_TRANSFER;
+
+            /*
+             * Return now; we don't want to disturb anything,
+             * especially the operand count!
+             */
+            return_ACPI_STATUS (Status);
+
+
+        case AML_TYPE_CREATE_FIELD:
+
+            ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
+                "Executing CreateField Buffer/Index Op=%p\n", Op));
+
+            Status = AcpiDsLoad2EndOp (WalkState);
+            if (ACPI_FAILURE (Status))
+            {
+                break;
+            }
+
+            Status = AcpiDsEvalBufferFieldOperands (WalkState, Op);
+            break;
+
+
+        case AML_TYPE_CREATE_OBJECT:
+
+            ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
+                "Executing CreateObject (Buffer/Package) Op=%p\n", Op));
+
+            switch (Op->Common.Parent->Common.AmlOpcode)
+            {
+            case AML_NAME_OP:
+
+                /*
+                 * Put the Node on the object stack (Contains the ACPI Name of
+                 * this object)
+                 */
+                WalkState->Operands[0] = (void *) Op->Common.Parent->Common.Node;
+                WalkState->NumOperands = 1;
+
+                Status = AcpiDsCreateNode (WalkState, Op->Common.Parent->Common.Node, Op->Common.Parent);
+                if (ACPI_FAILURE (Status))
+                {
+                    break;
+                }
+
+                /* Fall through */
+                /*lint -fallthrough */
+
+            case AML_INT_EVAL_SUBTREE_OP:
+
+                Status = AcpiDsEvalDataObjectOperands (WalkState, Op,
+                                AcpiNsGetAttachedObject (Op->Common.Parent->Common.Node));
+                break;
+
+            default:
+
+                Status = AcpiDsEvalDataObjectOperands (WalkState, Op, NULL);
+                break;
+            }
+
+            /*
+             * If a result object was returned from above, push it on the
+             * current result stack
+             */
+            if (ACPI_SUCCESS (Status) &&
+                WalkState->ResultObj)
+            {
+                Status = AcpiDsResultPush (WalkState->ResultObj, WalkState);
+            }
+            break;
+
+
+        case AML_TYPE_NAMED_FIELD:
+        case AML_TYPE_NAMED_COMPLEX:
+        case AML_TYPE_NAMED_SIMPLE:
+        case AML_TYPE_NAMED_NO_OBJ:
+
+            Status = AcpiDsLoad2EndOp (WalkState);
+            if (ACPI_FAILURE (Status))
+            {
+                break;
+            }
+
+            if (Op->Common.AmlOpcode == AML_REGION_OP)
+            {
+                ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
+                    "Executing OpRegion Address/Length Op=%p\n", Op));
+
+                Status = AcpiDsEvalRegionOperands (WalkState, Op);
+                if (ACPI_FAILURE (Status))
+                {
+                    break;
+                }
+
+                Status = AcpiDsResultStackPop (WalkState);
+            }
+
+            break;
+
+
+        case AML_TYPE_UNDEFINED:
+
+            ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Undefined opcode type Op=%p\n", Op));
+            return_ACPI_STATUS (AE_NOT_IMPLEMENTED);
+
+
+        case AML_TYPE_BOGUS:
+
+            ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH,
+                "Internal opcode=%X type Op=%p\n",
+                WalkState->Opcode, Op));
+            break;
+
+
+        default:
+
+            ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+                "Unimplemented opcode, class=%X type=%X Opcode=%X Op=%p\n",
+                OpClass, OpType, Op->Common.AmlOpcode, Op));
+
+            Status = AE_NOT_IMPLEMENTED;
+            break;
+        }
+    }
+
+    /*
+     * ACPI 2.0 support for 64-bit integers: Truncate numeric
+     * result value if we are executing from a 32-bit ACPI table
+     */
+    AcpiExTruncateFor32bitTable (WalkState->ResultObj);
+
+    /*
+     * Check if we just completed the evaluation of a
+     * conditional predicate
+     */
+
+    if ((WalkState->ControlState) &&
+        (WalkState->ControlState->Common.State ==
+            ACPI_CONTROL_PREDICATE_EXECUTING) &&
+        (WalkState->ControlState->Control.PredicateOp == Op))
+    {
+        Status = AcpiDsGetPredicateValue (WalkState, WalkState->ResultObj);
+        WalkState->ResultObj = NULL;
+    }
+
+
+Cleanup:
+    if (WalkState->ResultObj)
+    {
+        /* Break to debugger to display result */
+
+        ACPI_DEBUGGER_EXEC (AcpiDbDisplayResultObject (WalkState->ResultObj, WalkState));
+
+        /*
+         * Delete the result op if and only if:
+         * Parent will not use the result -- such as any
+         * non-nested type2 op in a method (parent will be method)
+         */
+        AcpiDsDeleteResultIfNotUsed (Op, WalkState->ResultObj, WalkState);
+    }
+
+    /* Always clear the object stack */
+
+    WalkState->NumOperands = 0;
+    return_ACPI_STATUS (Status);
+}
+
+
diff --git a/sys/contrib/dev/acpica/dswload.c b/sys/contrib/dev/acpica/dswload.c
new file mode 100644
index 0000000..1afd9cf
--- /dev/null
+++ b/sys/contrib/dev/acpica/dswload.c
@@ -0,0 +1,1051 @@
+/******************************************************************************
+ *
+ * Module Name: dswload - Dispatcher namespace load callbacks
+ *              $Revision: 78 $
+ *
+ *****************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+#define __DSWLOAD_C__
+
+#include "acpi.h"
+#include "acparser.h"
+#include "amlcode.h"
+#include "acdispat.h"
+#include "acinterp.h"
+#include "acnamesp.h"
+#include "acevents.h"
+
+
+#define _COMPONENT          ACPI_DISPATCHER
+        ACPI_MODULE_NAME    ("dswload")
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDsInitCallbacks
+ *
+ * PARAMETERS:  WalkState       - Current state of the parse tree walk
+ *              PassNumber      - 1, 2, or 3
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Init walk state callbacks
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiDsInitCallbacks (
+    ACPI_WALK_STATE         *WalkState,
+    UINT32                  PassNumber)
+{
+
+    switch (PassNumber)
+    {
+    case 1:
+        WalkState->ParseFlags         = ACPI_PARSE_LOAD_PASS1 | ACPI_PARSE_DELETE_TREE;
+        WalkState->DescendingCallback = AcpiDsLoad1BeginOp;
+        WalkState->AscendingCallback  = AcpiDsLoad1EndOp;
+        break;
+
+    case 2:
+        WalkState->ParseFlags         = ACPI_PARSE_LOAD_PASS1 | ACPI_PARSE_DELETE_TREE;
+        WalkState->DescendingCallback = AcpiDsLoad2BeginOp;
+        WalkState->AscendingCallback  = AcpiDsLoad2EndOp;
+        break;
+
+    case 3:
+#ifndef ACPI_NO_METHOD_EXECUTION
+        WalkState->ParseFlags        |= ACPI_PARSE_EXECUTE  | ACPI_PARSE_DELETE_TREE;
+        WalkState->DescendingCallback = AcpiDsExecBeginOp;
+        WalkState->AscendingCallback  = AcpiDsExecEndOp;
+#endif
+        break;
+
+    default:
+        return (AE_BAD_PARAMETER);
+    }
+
+    return (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDsLoad1BeginOp
+ *
+ * PARAMETERS:  WalkState       - Current state of the parse tree walk
+ *              Op              - Op that has been just been reached in the
+ *                                walk;  Arguments have not been evaluated yet.
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Descending callback used during the loading of ACPI tables.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiDsLoad1BeginOp (
+    ACPI_WALK_STATE         *WalkState,
+    ACPI_PARSE_OBJECT       **OutOp)
+{
+    ACPI_PARSE_OBJECT       *Op;
+    ACPI_NAMESPACE_NODE     *Node;
+    ACPI_STATUS             Status;
+    ACPI_OBJECT_TYPE        ObjectType;
+    NATIVE_CHAR             *Path;
+    UINT32                  Flags;
+
+
+    ACPI_FUNCTION_NAME ("DsLoad1BeginOp");
+
+
+    Op = WalkState->Op;
+    ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, "Op=%p State=%p\n", Op, WalkState));
+
+    /* We are only interested in opcodes that have an associated name */
+
+    if (Op)
+    {
+        if (!(WalkState->OpInfo->Flags & AML_NAMED))
+        {
+#if 0
+            if ((WalkState->OpInfo->Class == AML_CLASS_EXECUTE) ||
+                (WalkState->OpInfo->Class == AML_CLASS_CONTROL))
+            {
+                AcpiOsPrintf ("\n\n***EXECUTABLE OPCODE %s***\n\n", WalkState->OpInfo->Name);
+                *OutOp = Op;
+                return (AE_CTRL_SKIP);
+            }
+#endif
+            *OutOp = Op;
+            return (AE_OK);
+        }
+
+        /* Check if this object has already been installed in the namespace */
+
+        if (Op->Common.Node)
+        {
+            *OutOp = Op;
+            return (AE_OK);
+        }
+    }
+
+    Path = AcpiPsGetNextNamestring (&WalkState->ParserState);
+
+    /* Map the raw opcode into an internal object type */
+
+    ObjectType = WalkState->OpInfo->ObjectType;
+
+    ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH,
+        "State=%p Op=%p [%s] ", WalkState, Op, AcpiUtGetTypeName (ObjectType)));
+
+    switch (WalkState->Opcode)
+    {
+    case AML_SCOPE_OP:
+
+        /*
+         * The target name of the Scope() operator must exist at this point so
+         * that we can actually open the scope to enter new names underneath it.
+         * Allow search-to-root for single namesegs.
+         */
+        Status = AcpiNsLookup (WalkState->ScopeInfo, Path, ObjectType,
+                        ACPI_IMODE_EXECUTE, ACPI_NS_SEARCH_PARENT, WalkState, &(Node));
+        if (ACPI_FAILURE (Status))
+        {
+            ACPI_REPORT_NSERROR (Path, Status);
+            return (Status);
+        }
+
+        /*
+         * Check to make sure that the target is
+         * one of the opcodes that actually opens a scope
+         */
+        switch (Node->Type)
+        {
+        case ACPI_TYPE_LOCAL_SCOPE:         /* Scope  */
+        case ACPI_TYPE_DEVICE:
+        case ACPI_TYPE_POWER:
+        case ACPI_TYPE_PROCESSOR:
+        case ACPI_TYPE_THERMAL:
+
+            /* These are acceptable types */
+            break;
+
+        case ACPI_TYPE_INTEGER:
+        case ACPI_TYPE_STRING:
+        case ACPI_TYPE_BUFFER:
+
+            /* 
+             * These types we will allow, but we will change the type.  This
+             * enables some existing code of the form:
+             *
+             *  Name (DEB, 0)
+             *  Scope (DEB) { ... }
+             *
+             * Note: silently change the type here.  On the second pass, we will report a warning
+             */
+
+            ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Type override - [%4.4s] had invalid type (%s) for Scope operator, changed to (Scope)\n", 
+                Path, AcpiUtGetTypeName (Node->Type)));
+
+            Node->Type = ACPI_TYPE_ANY;
+            WalkState->ScopeInfo->Common.Value = ACPI_TYPE_ANY;
+            break;
+
+        default:
+
+            /* All other types are an error */
+
+            ACPI_REPORT_ERROR (("Invalid type (%s) for target of Scope operator [%4.4s] (Cannot override)\n", 
+                AcpiUtGetTypeName (Node->Type), Path));
+
+            return (AE_AML_OPERAND_TYPE);
+        }
+        break;
+
+
+    default:
+
+        /*
+         * For all other named opcodes, we will enter the name into the namespace.
+         *
+         * Setup the search flags.
+         * Since we are entering a name into the namespace, we do not want to 
+         * enable the search-to-root upsearch.
+         *
+         * There are only two conditions where it is acceptable that the name
+         * already exists:
+         *    1) the Scope() operator can reopen a scoping object that was 
+         *       previously defined (Scope, Method, Device, etc.)
+         *    2) Whenever we are parsing a deferred opcode (OpRegion, Buffer, 
+         *       BufferField, or Package), the name of the object is already 
+         *       in the namespace.
+         */
+        Flags = ACPI_NS_NO_UPSEARCH;
+        if ((WalkState->Opcode != AML_SCOPE_OP) &&
+            (!(WalkState->ParseFlags & ACPI_PARSE_DEFERRED_OP)))
+        {
+            Flags |= ACPI_NS_ERROR_IF_FOUND;
+            ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DISPATCH, "Cannot already exist\n"));
+        }
+        else
+        {
+            ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DISPATCH, "Both Find or Create allowed\n"));
+        }
+
+        /*
+         * Enter the named type into the internal namespace.  We enter the name
+         * as we go downward in the parse tree.  Any necessary subobjects that involve
+         * arguments to the opcode must be created as we go back up the parse tree later.
+         */
+        Status = AcpiNsLookup (WalkState->ScopeInfo, Path, ObjectType,
+                        ACPI_IMODE_LOAD_PASS1, Flags, WalkState, &(Node));
+        if (ACPI_FAILURE (Status))
+        {
+            ACPI_REPORT_NSERROR (Path, Status);
+            return (Status);
+        }
+        break;
+    }
+
+
+    /* Common exit */
+
+    if (!Op)
+    {
+        /* Create a new op */
+
+        Op = AcpiPsAllocOp (WalkState->Opcode);
+        if (!Op)
+        {
+            return (AE_NO_MEMORY);
+        }
+    }
+
+    /* Initialize */
+
+    Op->Named.Name = Node->Name.Integer;
+
+#if (defined (ACPI_NO_METHOD_EXECUTION) || defined (ACPI_CONSTANT_EVAL_ONLY))
+    Op->Named.Path = (UINT8 *) Path;
+#endif
+
+
+    /*
+     * Put the Node in the "op" object that the parser uses, so we
+     * can get it again quickly when this scope is closed
+     */
+    Op->Common.Node = Node;
+    AcpiPsAppendArg (AcpiPsGetParentScope (&WalkState->ParserState), Op);
+
+    *OutOp = Op;
+    return (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDsLoad1EndOp
+ *
+ * PARAMETERS:  WalkState       - Current state of the parse tree walk
+ *              Op              - Op that has been just been completed in the
+ *                                walk;  Arguments have now been evaluated.
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Ascending callback used during the loading of the namespace,
+ *              both control methods and everything else.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiDsLoad1EndOp (
+    ACPI_WALK_STATE         *WalkState)
+{
+    ACPI_PARSE_OBJECT       *Op;
+    ACPI_OBJECT_TYPE        ObjectType;
+    ACPI_STATUS             Status = AE_OK;
+
+
+    ACPI_FUNCTION_NAME ("DsLoad1EndOp");
+
+
+    Op = WalkState->Op;
+    ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, "Op=%p State=%p\n", Op, WalkState));
+
+    /* We are only interested in opcodes that have an associated name */
+
+    if (!(WalkState->OpInfo->Flags & (AML_NAMED | AML_FIELD)))
+    {
+        return (AE_OK);
+    }
+
+    /* Get the object type to determine if we should pop the scope */
+
+    ObjectType = WalkState->OpInfo->ObjectType;
+
+#ifndef ACPI_NO_METHOD_EXECUTION
+    if (WalkState->OpInfo->Flags & AML_FIELD)
+    {
+        if (WalkState->Opcode == AML_FIELD_OP          ||
+            WalkState->Opcode == AML_BANK_FIELD_OP     ||
+            WalkState->Opcode == AML_INDEX_FIELD_OP)
+        {
+            Status = AcpiDsInitFieldObjects (Op, WalkState);
+        }
+        return (Status);
+    }
+
+
+    if (Op->Common.AmlOpcode == AML_REGION_OP)
+    {
+        Status = AcpiExCreateRegion (Op->Named.Data, Op->Named.Length,
+                         (ACPI_ADR_SPACE_TYPE) ((Op->Common.Value.Arg)->Common.Value.Integer), WalkState);
+        if (ACPI_FAILURE (Status))
+        {
+            return (Status);
+        }
+    }
+#endif
+
+    if (Op->Common.AmlOpcode == AML_NAME_OP)
+    {
+        /* For Name opcode, get the object type from the argument */
+
+        if (Op->Common.Value.Arg)
+        {
+            ObjectType = (AcpiPsGetOpcodeInfo ((Op->Common.Value.Arg)->Common.AmlOpcode))->ObjectType;
+            Op->Common.Node->Type = (UINT8) ObjectType;
+        }
+    }
+
+    /* Pop the scope stack */
+
+    if (AcpiNsOpensScope (ObjectType))
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, "(%s): Popping scope for Op %p\n",
+            AcpiUtGetTypeName (ObjectType), Op));
+
+        Status = AcpiDsScopeStackPop (WalkState);
+    }
+
+    return (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDsLoad2BeginOp
+ *
+ * PARAMETERS:  WalkState       - Current state of the parse tree walk
+ *              Op              - Op that has been just been reached in the
+ *                                walk;  Arguments have not been evaluated yet.
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Descending callback used during the loading of ACPI tables.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiDsLoad2BeginOp (
+    ACPI_WALK_STATE         *WalkState,
+    ACPI_PARSE_OBJECT       **OutOp)
+{
+    ACPI_PARSE_OBJECT       *Op;
+    ACPI_NAMESPACE_NODE     *Node;
+    ACPI_STATUS             Status;
+    ACPI_OBJECT_TYPE        ObjectType;
+    NATIVE_CHAR             *BufferPtr;
+
+
+    ACPI_FUNCTION_TRACE ("DsLoad2BeginOp");
+
+
+    Op = WalkState->Op;
+    ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, "Op=%p State=%p\n", Op, WalkState));
+
+    if (Op)
+    {
+        /* We only care about Namespace opcodes here */
+
+        if ((!(WalkState->OpInfo->Flags & AML_NSOPCODE) && (WalkState->Opcode != AML_INT_NAMEPATH_OP)) ||
+            (!(WalkState->OpInfo->Flags & AML_NAMED)))
+        {
+            return_ACPI_STATUS (AE_OK);
+        }
+
+        /*
+         * Get the name we are going to enter or lookup in the namespace
+         */
+        if (WalkState->Opcode == AML_INT_NAMEPATH_OP)
+        {
+            /* For Namepath op, get the path string */
+
+            BufferPtr = Op->Common.Value.String;
+            if (!BufferPtr)
+            {
+                /* No name, just exit */
+
+                return_ACPI_STATUS (AE_OK);
+            }
+        }
+        else
+        {
+            /* Get name from the op */
+
+            BufferPtr = (NATIVE_CHAR *) &Op->Named.Name;
+        }
+    }
+    else
+    {
+        /* Get the namestring from the raw AML */
+
+        BufferPtr = AcpiPsGetNextNamestring (&WalkState->ParserState);
+    }
+
+    /* Map the opcode into an internal object type */
+
+    ObjectType = WalkState->OpInfo->ObjectType;
+
+    ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH,
+        "State=%p Op=%p Type=%X\n", WalkState, Op, ObjectType));
+
+
+    switch (WalkState->Opcode)
+    {
+    case AML_FIELD_OP:
+    case AML_BANK_FIELD_OP:
+    case AML_INDEX_FIELD_OP:
+
+        Node = NULL;
+        Status = AE_OK;
+        break;
+
+    case AML_INT_NAMEPATH_OP:
+
+        /*
+         * The NamePath is an object reference to an existing object.  Don't enter the
+         * name into the namespace, but look it up for use later
+         */
+        Status = AcpiNsLookup (WalkState->ScopeInfo, BufferPtr, ObjectType,
+                        ACPI_IMODE_EXECUTE, ACPI_NS_SEARCH_PARENT, WalkState, &(Node));
+        break;
+
+    case AML_SCOPE_OP:
+
+        /*
+         * The Path is an object reference to an existing object.  Don't enter the
+         * name into the namespace, but look it up for use later
+         */
+        Status = AcpiNsLookup (WalkState->ScopeInfo, BufferPtr, ObjectType,
+                        ACPI_IMODE_EXECUTE, ACPI_NS_SEARCH_PARENT, WalkState, &(Node));
+        if (ACPI_FAILURE (Status))
+        {
+            ACPI_REPORT_NSERROR (BufferPtr, Status);
+            return_ACPI_STATUS (Status);
+        }
+        /*
+         * We must check to make sure that the target is
+         * one of the opcodes that actually opens a scope
+         */
+        switch (Node->Type)
+        {
+        case ACPI_TYPE_LOCAL_SCOPE:         /* Scope */
+        case ACPI_TYPE_DEVICE:
+        case ACPI_TYPE_POWER:
+        case ACPI_TYPE_PROCESSOR:
+        case ACPI_TYPE_THERMAL:
+
+            /* These are acceptable types */
+            break;
+
+        case ACPI_TYPE_INTEGER:
+        case ACPI_TYPE_STRING:
+        case ACPI_TYPE_BUFFER:
+
+            /* 
+             * These types we will allow, but we will change the type.  This
+             * enables some existing code of the form:
+             *
+             *  Name (DEB, 0)
+             *  Scope (DEB) { ... }
+             */
+
+            ACPI_REPORT_WARNING (("Type override - [%4.4s] had invalid type (%s) for Scope operator, changed to (Scope)\n", 
+                BufferPtr, AcpiUtGetTypeName (Node->Type)));
+
+            Node->Type = ACPI_TYPE_ANY;
+            WalkState->ScopeInfo->Common.Value = ACPI_TYPE_ANY;
+            break;
+
+        default:
+
+            /* All other types are an error */
+
+            ACPI_REPORT_ERROR (("Invalid type (%s) for target of Scope operator [%4.4s]\n", 
+                AcpiUtGetTypeName (Node->Type), BufferPtr));
+
+            return (AE_AML_OPERAND_TYPE);
+        }
+        break;
+
+    default:
+
+        /* All other opcodes */
+
+        if (Op && Op->Common.Node)
+        {
+            /* This op/node was previously entered into the namespace */
+
+            Node = Op->Common.Node;
+
+            if (AcpiNsOpensScope (ObjectType))
+            {
+                Status = AcpiDsScopeStackPush (Node, ObjectType, WalkState);
+                if (ACPI_FAILURE (Status))
+                {
+                    return_ACPI_STATUS (Status);
+                }
+
+            }
+            return_ACPI_STATUS (AE_OK);
+        }
+
+        /*
+         * Enter the named type into the internal namespace.  We enter the name
+         * as we go downward in the parse tree.  Any necessary subobjects that involve
+         * arguments to the opcode must be created as we go back up the parse tree later.
+         */
+        Status = AcpiNsLookup (WalkState->ScopeInfo, BufferPtr, ObjectType,
+                        ACPI_IMODE_EXECUTE, ACPI_NS_NO_UPSEARCH, WalkState, &(Node));
+        break;
+    }
+
+    if (ACPI_FAILURE (Status))
+    {
+        ACPI_REPORT_NSERROR (BufferPtr, Status);
+        return_ACPI_STATUS (Status);
+    }
+
+
+    if (!Op)
+    {
+        /* Create a new op */
+
+        Op = AcpiPsAllocOp (WalkState->Opcode);
+        if (!Op)
+        {
+            return_ACPI_STATUS (AE_NO_MEMORY);
+        }
+
+        /* Initialize the new op */
+
+        if (Node)
+        {
+            Op->Named.Name = Node->Name.Integer;
+        }
+        if (OutOp)
+        {
+            *OutOp = Op;
+        }
+    }
+
+    /*
+     * Put the Node in the "op" object that the parser uses, so we
+     * can get it again quickly when this scope is closed
+     */
+    Op->Common.Node = Node;
+
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDsLoad2EndOp
+ *
+ * PARAMETERS:  WalkState       - Current state of the parse tree walk
+ *              Op              - Op that has been just been completed in the
+ *                                walk;  Arguments have now been evaluated.
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Ascending callback used during the loading of the namespace,
+ *              both control methods and everything else.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiDsLoad2EndOp (
+    ACPI_WALK_STATE         *WalkState)
+{
+    ACPI_PARSE_OBJECT       *Op;
+    ACPI_STATUS             Status = AE_OK;
+    ACPI_OBJECT_TYPE        ObjectType;
+    ACPI_NAMESPACE_NODE     *Node;
+    ACPI_PARSE_OBJECT       *Arg;
+    ACPI_NAMESPACE_NODE     *NewNode;
+#ifndef ACPI_NO_METHOD_EXECUTION
+    UINT32                  i;
+#endif
+
+
+    ACPI_FUNCTION_TRACE ("DsLoad2EndOp");
+
+    Op = WalkState->Op;
+    ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, "Opcode [%s] Op %p State %p\n",
+            WalkState->OpInfo->Name, Op, WalkState));
+
+    /* Only interested in opcodes that have namespace objects */
+
+    if (!(WalkState->OpInfo->Flags & AML_NSOBJECT))
+    {
+        return_ACPI_STATUS (AE_OK);
+    }
+
+    if (Op->Common.AmlOpcode == AML_SCOPE_OP)
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH,
+            "Ending scope Op=%p State=%p\n", Op, WalkState));
+    }
+
+
+    ObjectType = WalkState->OpInfo->ObjectType;
+
+    /*
+     * Get the Node/name from the earlier lookup
+     * (It was saved in the *op structure)
+     */
+    Node = Op->Common.Node;
+
+    /*
+     * Put the Node on the object stack (Contains the ACPI Name of
+     * this object)
+     */
+    WalkState->Operands[0] = (void *) Node;
+    WalkState->NumOperands = 1;
+
+    /* Pop the scope stack */
+
+    if (AcpiNsOpensScope (ObjectType) && (Op->Common.AmlOpcode != AML_INT_METHODCALL_OP))
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, "(%s) Popping scope for Op %p\n",
+            AcpiUtGetTypeName (ObjectType), Op));
+
+        Status = AcpiDsScopeStackPop (WalkState);
+        if (ACPI_FAILURE (Status))
+        {
+            return_ACPI_STATUS (Status);
+        }
+    }
+
+
+    /*
+     * Named operations are as follows:
+     *
+     * AML_ALIAS
+     * AML_BANKFIELD
+     * AML_CREATEBITFIELD
+     * AML_CREATEBYTEFIELD
+     * AML_CREATEDWORDFIELD
+     * AML_CREATEFIELD
+     * AML_CREATEQWORDFIELD
+     * AML_CREATEWORDFIELD
+     * AML_DATA_REGION
+     * AML_DEVICE
+     * AML_EVENT
+     * AML_FIELD
+     * AML_INDEXFIELD
+     * AML_METHOD
+     * AML_METHODCALL
+     * AML_MUTEX
+     * AML_NAME
+     * AML_NAMEDFIELD
+     * AML_OPREGION
+     * AML_POWERRES
+     * AML_PROCESSOR
+     * AML_SCOPE
+     * AML_THERMALZONE
+     */
+
+    ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH,
+        "Create-Load [%s] State=%p Op=%p NamedObj=%p\n",
+        AcpiPsGetOpcodeName (Op->Common.AmlOpcode), WalkState, Op, Node));
+
+    /* Decode the opcode */
+
+    Arg = Op->Common.Value.Arg;
+
+    switch (WalkState->OpInfo->Type)
+    {
+#ifndef ACPI_NO_METHOD_EXECUTION
+
+    case AML_TYPE_CREATE_FIELD:
+
+        /*
+         * Create the field object, but the field buffer and index must
+         * be evaluated later during the execution phase
+         */
+        Status = AcpiDsCreateBufferField (Op, WalkState);
+        break;
+
+
+     case AML_TYPE_NAMED_FIELD:
+
+        switch (Op->Common.AmlOpcode)
+        {
+        case AML_INDEX_FIELD_OP:
+
+            Status = AcpiDsCreateIndexField (Op, (ACPI_HANDLE) Arg->Common.Node,
+                                            WalkState);
+            break;
+
+        case AML_BANK_FIELD_OP:
+
+            Status = AcpiDsCreateBankField (Op, Arg->Common.Node, WalkState);
+            break;
+
+        case AML_FIELD_OP:
+
+            Status = AcpiDsCreateField (Op, Arg->Common.Node, WalkState);
+            break;
+
+        default:
+            /* All NAMED_FIELD opcodes must be handled above */
+            break;
+        }
+        break;
+
+
+     case AML_TYPE_NAMED_SIMPLE:
+
+        Status = AcpiDsCreateOperands (WalkState, Arg);
+        if (ACPI_FAILURE (Status))
+        {
+            goto Cleanup;
+        }
+
+        switch (Op->Common.AmlOpcode)
+        {
+        case AML_PROCESSOR_OP:
+
+            Status = AcpiExCreateProcessor (WalkState);
+            break;
+
+        case AML_POWER_RES_OP:
+
+            Status = AcpiExCreatePowerResource (WalkState);
+            break;
+
+        case AML_MUTEX_OP:
+
+            Status = AcpiExCreateMutex (WalkState);
+            break;
+
+        case AML_EVENT_OP:
+
+            Status = AcpiExCreateEvent (WalkState);
+            break;
+
+        case AML_DATA_REGION_OP:
+
+            Status = AcpiExCreateTableRegion (WalkState);
+            break;
+
+        case AML_ALIAS_OP:
+
+            Status = AcpiExCreateAlias (WalkState);
+            break;
+
+        default:
+            /* Unknown opcode */
+
+            Status = AE_OK;
+            goto Cleanup;
+        }
+
+        /* Delete operands */
+
+        for (i = 1; i < WalkState->NumOperands; i++)
+        {
+            AcpiUtRemoveReference (WalkState->Operands[i]);
+            WalkState->Operands[i] = NULL;
+        }
+
+        break;
+#endif /* ACPI_NO_METHOD_EXECUTION */
+
+    case AML_TYPE_NAMED_COMPLEX:
+
+        switch (Op->Common.AmlOpcode)
+        {
+        case AML_METHOD_OP:
+            /*
+             * MethodOp PkgLength NameString MethodFlags TermList
+             */
+            ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH,
+                "LOADING-Method: State=%p Op=%p NamedObj=%p\n",
+                WalkState, Op, Node));
+
+            if (!AcpiNsGetAttachedObject (Node))
+            {
+                Status = AcpiDsCreateOperands (WalkState, Arg);
+                if (ACPI_FAILURE (Status))
+                {
+                    goto Cleanup;
+                }
+
+                Status = AcpiExCreateMethod (Op->Named.Data,
+                                    Op->Named.Length, WalkState);
+            }
+            break;
+
+
+#ifndef ACPI_NO_METHOD_EXECUTION
+        case AML_REGION_OP:
+            /*
+             * The OpRegion is not fully parsed at this time.  Only valid argument is the SpaceId.
+             * (We must save the address of the AML of the address and length operands)
+             */
+            /*
+             * If we have a valid region, initialize it
+             * Namespace is NOT locked at this point.
+             */
+            Status = AcpiEvInitializeRegion (AcpiNsGetAttachedObject (Node), FALSE);
+            if (ACPI_FAILURE (Status))
+            {
+                /*
+                 *  If AE_NOT_EXIST is returned, it is not fatal
+                 *  because many regions get created before a handler
+                 *  is installed for said region.
+                 */
+                if (AE_NOT_EXIST == Status)
+                {
+                    Status = AE_OK;
+                }
+            }
+            break;
+
+
+        case AML_NAME_OP:
+
+            Status = AcpiDsCreateNode (WalkState, Node, Op);
+            break;
+#endif /* ACPI_NO_METHOD_EXECUTION */
+
+
+        default:
+            /* All NAMED_COMPLEX opcodes must be handled above */
+            break;
+        }
+        break;
+
+
+    case AML_CLASS_INTERNAL:
+
+        /* case AML_INT_NAMEPATH_OP: */
+        break;
+
+
+    case AML_CLASS_METHOD_CALL:
+
+        ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH,
+            "RESOLVING-MethodCall: State=%p Op=%p NamedObj=%p\n",
+            WalkState, Op, Node));
+
+        /*
+         * Lookup the method name and save the Node
+         */
+        Status = AcpiNsLookup (WalkState->ScopeInfo, Arg->Common.Value.String,
+                        ACPI_TYPE_ANY, ACPI_IMODE_LOAD_PASS2,
+                        ACPI_NS_SEARCH_PARENT | ACPI_NS_DONT_OPEN_SCOPE,
+                        WalkState, &(NewNode));
+        if (ACPI_SUCCESS (Status))
+        {
+            /*
+             * Make sure that what we found is indeed a method
+             * We didn't search for a method on purpose, to see if the name would resolve
+             */
+            if (NewNode->Type != ACPI_TYPE_METHOD)
+            {
+                Status = AE_AML_OPERAND_TYPE;
+            }
+
+            /* We could put the returned object (Node) on the object stack for later, but
+             * for now, we will put it in the "op" object that the parser uses, so we
+             * can get it again at the end of this scope
+             */
+            Op->Common.Node = NewNode;
+        }
+        else
+        {
+            ACPI_REPORT_NSERROR (Arg->Common.Value.String, Status);
+        }
+        break;
+
+
+    default:
+        break;
+    }
+
+
+Cleanup:
+
+    /* Remove the Node pushed at the very beginning */
+
+    WalkState->Operands[0] = NULL;
+    WalkState->NumOperands = 0;
+    return_ACPI_STATUS (Status);
+}
+
+
diff --git a/sys/contrib/dev/acpica/dswscope.c b/sys/contrib/dev/acpica/dswscope.c
new file mode 100644
index 0000000..60e06c5
--- /dev/null
+++ b/sys/contrib/dev/acpica/dswscope.c
@@ -0,0 +1,315 @@
+/******************************************************************************
+ *
+ * Module Name: dswscope - Scope stack manipulation
+ *              $Revision: 56 $
+ *
+ *****************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+#define __DSWSCOPE_C__
+
+#include "acpi.h"
+#include "acdispat.h"
+
+
+#define _COMPONENT          ACPI_DISPATCHER
+        ACPI_MODULE_NAME    ("dswscope")
+
+
+#define STACK_POP(head) head
+
+
+/****************************************************************************
+ *
+ * FUNCTION:    AcpiDsScopeStackClear
+ *
+ * PARAMETERS:  None
+ *
+ * DESCRIPTION: Pop (and free) everything on the scope stack except the
+ *              root scope object (which remains at the stack top.)
+ *
+ ***************************************************************************/
+
+void
+AcpiDsScopeStackClear (
+    ACPI_WALK_STATE         *WalkState)
+{
+    ACPI_GENERIC_STATE      *ScopeInfo;
+
+    ACPI_FUNCTION_NAME ("DsScopeStackClear");
+
+
+    while (WalkState->ScopeInfo)
+    {
+        /* Pop a scope off the stack */
+
+        ScopeInfo = WalkState->ScopeInfo;
+        WalkState->ScopeInfo = ScopeInfo->Scope.Next;
+
+        ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
+            "Popped object type (%s)\n", AcpiUtGetTypeName (ScopeInfo->Common.Value)));
+        AcpiUtDeleteGenericState (ScopeInfo);
+    }
+}
+
+
+/****************************************************************************
+ *
+ * FUNCTION:    AcpiDsScopeStackPush
+ *
+ * PARAMETERS:  *Node,              - Name to be made current
+ *              Type,               - Type of frame being pushed
+ *
+ * DESCRIPTION: Push the current scope on the scope stack, and make the
+ *              passed Node current.
+ *
+ ***************************************************************************/
+
+ACPI_STATUS
+AcpiDsScopeStackPush (
+    ACPI_NAMESPACE_NODE     *Node,
+    ACPI_OBJECT_TYPE        Type,
+    ACPI_WALK_STATE         *WalkState)
+{
+    ACPI_GENERIC_STATE      *ScopeInfo;
+    ACPI_GENERIC_STATE      *OldScopeInfo;
+
+
+    ACPI_FUNCTION_TRACE ("DsScopeStackPush");
+
+
+    if (!Node)
+    {
+        /* Invalid scope   */
+
+        ACPI_REPORT_ERROR (("DsScopeStackPush: null scope passed\n"));
+        return_ACPI_STATUS (AE_BAD_PARAMETER);
+    }
+
+    /* Make sure object type is valid */
+
+    if (!AcpiUtValidObjectType (Type))
+    {
+        ACPI_REPORT_WARNING (("DsScopeStackPush: type code out of range\n"));
+    }
+
+
+    /* Allocate a new scope object */
+
+    ScopeInfo = AcpiUtCreateGenericState ();
+    if (!ScopeInfo)
+    {
+        return_ACPI_STATUS (AE_NO_MEMORY);
+    }
+
+    /* Init new scope object */
+
+    ScopeInfo->Common.DataType  = ACPI_DESC_TYPE_STATE_WSCOPE;
+    ScopeInfo->Scope.Node       = Node;
+    ScopeInfo->Common.Value     = (UINT16) Type;
+
+    WalkState->ScopeDepth++;
+
+    ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
+        "[%.2d] Pushed scope ", (UINT32) WalkState->ScopeDepth));
+
+    OldScopeInfo = WalkState->ScopeInfo;
+    if (OldScopeInfo)
+    {
+        ACPI_DEBUG_PRINT_RAW ((ACPI_DB_EXEC,
+            "[%4.4s] (%10s)",
+            OldScopeInfo->Scope.Node->Name.Ascii,
+            AcpiUtGetTypeName (OldScopeInfo->Common.Value)));
+    }
+    else
+    {
+        ACPI_DEBUG_PRINT_RAW ((ACPI_DB_EXEC,
+            "[\\___] (%10s)", "ROOT"));
+    }
+
+    ACPI_DEBUG_PRINT_RAW ((ACPI_DB_EXEC,
+        ", New scope -> [%4.4s] (%s)\n",
+        ScopeInfo->Scope.Node->Name.Ascii,
+        AcpiUtGetTypeName (ScopeInfo->Common.Value)));
+
+    /* Push new scope object onto stack */
+
+    AcpiUtPushGenericState (&WalkState->ScopeInfo, ScopeInfo);
+
+    return_ACPI_STATUS (AE_OK);
+}
+
+
+/****************************************************************************
+ *
+ * FUNCTION:    AcpiDsScopeStackPop
+ *
+ * PARAMETERS:  Type                - The type of frame to be found
+ *
+ * DESCRIPTION: Pop the scope stack until a frame of the requested type
+ *              is found.
+ *
+ * RETURN:      Count of frames popped.  If no frame of the requested type
+ *              was found, the count is returned as a negative number and
+ *              the scope stack is emptied (which sets the current scope
+ *              to the root).  If the scope stack was empty at entry, the
+ *              function is a no-op and returns 0.
+ *
+ ***************************************************************************/
+
+ACPI_STATUS
+AcpiDsScopeStackPop (
+    ACPI_WALK_STATE         *WalkState)
+{
+    ACPI_GENERIC_STATE      *ScopeInfo;
+    ACPI_GENERIC_STATE      *NewScopeInfo;
+
+
+    ACPI_FUNCTION_TRACE ("DsScopeStackPop");
+
+
+    /*
+     * Pop scope info object off the stack.
+     */
+    ScopeInfo = AcpiUtPopGenericState (&WalkState->ScopeInfo);
+    if (!ScopeInfo)
+    {
+        return_ACPI_STATUS (AE_STACK_UNDERFLOW);
+    }
+
+    WalkState->ScopeDepth--;
+
+    ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
+        "[%.2d] Popped scope [%4.4s] (%10s), New scope -> ",
+        (UINT32) WalkState->ScopeDepth,
+        ScopeInfo->Scope.Node->Name.Ascii,
+        AcpiUtGetTypeName (ScopeInfo->Common.Value)));
+
+    NewScopeInfo = WalkState->ScopeInfo;
+    if (NewScopeInfo)
+    {
+        ACPI_DEBUG_PRINT_RAW ((ACPI_DB_EXEC,
+            "[%4.4s] (%s)\n",
+            NewScopeInfo->Scope.Node->Name.Ascii,
+            AcpiUtGetTypeName (NewScopeInfo->Common.Value)));
+    }
+    else
+    {
+        ACPI_DEBUG_PRINT_RAW ((ACPI_DB_EXEC,
+            "[\\___] (ROOT)\n"));
+    }
+
+    AcpiUtDeleteGenericState (ScopeInfo);
+
+    return_ACPI_STATUS (AE_OK);
+}
+
+
diff --git a/sys/contrib/dev/acpica/dswstate.c b/sys/contrib/dev/acpica/dswstate.c
new file mode 100644
index 0000000..e979a1e
--- /dev/null
+++ b/sys/contrib/dev/acpica/dswstate.c
@@ -0,0 +1,1200 @@
+/******************************************************************************
+ *
+ * Module Name: dswstate - Dispatcher parse tree walk management routines
+ *              $Revision: 70 $
+ *
+ *****************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+
+#define __DSWSTATE_C__
+
+#include "acpi.h"
+#include "acparser.h"
+#include "acdispat.h"
+#include "acnamesp.h"
+
+#define _COMPONENT          ACPI_DISPATCHER
+        ACPI_MODULE_NAME    ("dswstate")
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDsResultInsert
+ *
+ * PARAMETERS:  Object              - Object to push
+ *              WalkState           - Current Walk state
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Push an object onto this walk's result stack
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiDsResultInsert (
+    void                    *Object,
+    UINT32                  Index,
+    ACPI_WALK_STATE         *WalkState)
+{
+    ACPI_GENERIC_STATE      *State;
+
+
+    ACPI_FUNCTION_NAME ("DsResultInsert");
+
+
+    State = WalkState->Results;
+    if (!State)
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "No result object pushed! State=%p\n",
+            WalkState));
+        return (AE_NOT_EXIST);
+    }
+
+    if (Index >= OBJ_NUM_OPERANDS)
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+            "Index out of range: %X Obj=%p State=%p Num=%X\n",
+            Index, Object, WalkState, State->Results.NumResults));
+        return (AE_BAD_PARAMETER);
+    }
+
+    if (!Object)
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+            "Null Object! Index=%X Obj=%p State=%p Num=%X\n",
+            Index, Object, WalkState, State->Results.NumResults));
+        return (AE_BAD_PARAMETER);
+    }
+
+    State->Results.ObjDesc [Index] = Object;
+    State->Results.NumResults++;
+
+    ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
+        "Obj=%p [%s] State=%p Num=%X Cur=%X\n",
+        Object, Object ? AcpiUtGetObjectTypeName ((ACPI_OPERAND_OBJECT *) Object) : "NULL",
+        WalkState, State->Results.NumResults, WalkState->CurrentResult));
+
+    return (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDsResultRemove
+ *
+ * PARAMETERS:  Object              - Where to return the popped object
+ *              WalkState           - Current Walk state
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Pop an object off the bottom of this walk's result stack.  In
+ *              other words, this is a FIFO.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiDsResultRemove (
+    ACPI_OPERAND_OBJECT     **Object,
+    UINT32                  Index,
+    ACPI_WALK_STATE         *WalkState)
+{
+    ACPI_GENERIC_STATE      *State;
+
+
+    ACPI_FUNCTION_NAME ("DsResultRemove");
+
+
+    State = WalkState->Results;
+    if (!State)
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "No result object pushed! State=%p\n",
+            WalkState));
+        return (AE_NOT_EXIST);
+    }
+
+    if (Index >= OBJ_MAX_OPERAND)
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+            "Index out of range: %X State=%p Num=%X\n",
+            Index, WalkState, State->Results.NumResults));
+    }
+
+    /* Check for a valid result object */
+
+    if (!State->Results.ObjDesc [Index])
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+            "Null operand! State=%p #Ops=%X, Index=%X\n",
+            WalkState, State->Results.NumResults, Index));
+        return (AE_AML_NO_RETURN_VALUE);
+    }
+
+    /* Remove the object */
+
+    State->Results.NumResults--;
+
+    *Object = State->Results.ObjDesc [Index];
+    State->Results.ObjDesc [Index] = NULL;
+
+    ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
+        "Obj=%p [%s] Index=%X State=%p Num=%X\n",
+        *Object, (*Object) ? AcpiUtGetObjectTypeName (*Object) : "NULL",
+        Index, WalkState, State->Results.NumResults));
+
+    return (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDsResultPop
+ *
+ * PARAMETERS:  Object              - Where to return the popped object
+ *              WalkState           - Current Walk state
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Pop an object off the bottom of this walk's result stack.  In
+ *              other words, this is a FIFO.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiDsResultPop (
+    ACPI_OPERAND_OBJECT     **Object,
+    ACPI_WALK_STATE         *WalkState)
+{
+    NATIVE_UINT             Index;
+    ACPI_GENERIC_STATE      *State;
+
+
+    ACPI_FUNCTION_NAME ("DsResultPop");
+
+
+    State = WalkState->Results;
+    if (!State)
+    {
+        return (AE_OK);
+    }
+
+    if (!State->Results.NumResults)
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Result stack is empty! State=%p\n",
+            WalkState));
+        return (AE_AML_NO_RETURN_VALUE);
+    }
+
+    /* Remove top element */
+
+    State->Results.NumResults--;
+
+    for (Index = OBJ_NUM_OPERANDS; Index; Index--)
+    {
+        /* Check for a valid result object */
+
+        if (State->Results.ObjDesc [Index -1])
+        {
+            *Object = State->Results.ObjDesc [Index -1];
+            State->Results.ObjDesc [Index -1] = NULL;
+
+            ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Obj=%p [%s] Index=%X State=%p Num=%X\n",
+                *Object, (*Object) ? AcpiUtGetObjectTypeName (*Object) : "NULL",
+                (UINT32) Index -1, WalkState, State->Results.NumResults));
+
+            return (AE_OK);
+        }
+    }
+
+    ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "No result objects! State=%p\n", WalkState));
+    return (AE_AML_NO_RETURN_VALUE);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDsResultPopFromBottom
+ *
+ * PARAMETERS:  Object              - Where to return the popped object
+ *              WalkState           - Current Walk state
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Pop an object off the bottom of this walk's result stack.  In
+ *              other words, this is a FIFO.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiDsResultPopFromBottom (
+    ACPI_OPERAND_OBJECT     **Object,
+    ACPI_WALK_STATE         *WalkState)
+{
+    NATIVE_UINT             Index;
+    ACPI_GENERIC_STATE      *State;
+
+
+    ACPI_FUNCTION_NAME ("DsResultPopFromBottom");
+
+
+    State = WalkState->Results;
+    if (!State)
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+            "Warning: No result object pushed! State=%p\n", WalkState));
+        return (AE_NOT_EXIST);
+    }
+
+    if (!State->Results.NumResults)
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "No result objects! State=%p\n", WalkState));
+        return (AE_AML_NO_RETURN_VALUE);
+    }
+
+    /* Remove Bottom element */
+
+    *Object = State->Results.ObjDesc [0];
+
+    /* Push entire stack down one element */
+
+    for (Index = 0; Index < State->Results.NumResults; Index++)
+    {
+        State->Results.ObjDesc [Index] = State->Results.ObjDesc [Index + 1];
+    }
+
+    State->Results.NumResults--;
+
+    /* Check for a valid result object */
+
+    if (!*Object)
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Null operand! State=%p #Ops=%X, Index=%X\n",
+            WalkState, State->Results.NumResults, (UINT32) Index));
+        return (AE_AML_NO_RETURN_VALUE);
+    }
+
+    ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Obj=%p [%s], Results=%p State=%p\n",
+        *Object, (*Object) ? AcpiUtGetObjectTypeName (*Object) : "NULL",
+        State, WalkState));
+
+
+    return (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDsResultPush
+ *
+ * PARAMETERS:  Object              - Where to return the popped object
+ *              WalkState           - Current Walk state
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Push an object onto the current result stack
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiDsResultPush (
+    ACPI_OPERAND_OBJECT     *Object,
+    ACPI_WALK_STATE         *WalkState)
+{
+    ACPI_GENERIC_STATE      *State;
+
+
+    ACPI_FUNCTION_NAME ("DsResultPush");
+
+
+    State = WalkState->Results;
+    if (!State)
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "No result stack frame\n"));
+        return (AE_AML_INTERNAL);
+    }
+
+    if (State->Results.NumResults == OBJ_NUM_OPERANDS)
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+            "Result stack overflow: Obj=%p State=%p Num=%X\n",
+            Object, WalkState, State->Results.NumResults));
+        return (AE_STACK_OVERFLOW);
+    }
+
+    if (!Object)
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Null Object! Obj=%p State=%p Num=%X\n",
+            Object, WalkState, State->Results.NumResults));
+        return (AE_BAD_PARAMETER);
+    }
+
+    State->Results.ObjDesc [State->Results.NumResults] = Object;
+    State->Results.NumResults++;
+
+    ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Obj=%p [%s] State=%p Num=%X Cur=%X\n",
+        Object, Object ? AcpiUtGetObjectTypeName ((ACPI_OPERAND_OBJECT *) Object) : "NULL",
+        WalkState, State->Results.NumResults, WalkState->CurrentResult));
+
+    return (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDsResultStackPush
+ *
+ * PARAMETERS:  Object              - Object to push
+ *              WalkState           - Current Walk state
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Push an object onto the WalkState result stack.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiDsResultStackPush (
+    ACPI_WALK_STATE         *WalkState)
+{
+    ACPI_GENERIC_STATE      *State;
+
+    ACPI_FUNCTION_NAME ("DsResultStackPush");
+
+
+    State = AcpiUtCreateGenericState ();
+    if (!State)
+    {
+        return (AE_NO_MEMORY);
+    }
+
+    State->Common.DataType  = ACPI_DESC_TYPE_STATE_RESULT;
+    AcpiUtPushGenericState (&WalkState->Results, State);
+
+    ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Results=%p State=%p\n",
+        State, WalkState));
+
+    return (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDsResultStackPop
+ *
+ * PARAMETERS:  WalkState           - Current Walk state
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Pop an object off of the WalkState result stack.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiDsResultStackPop (
+    ACPI_WALK_STATE         *WalkState)
+{
+    ACPI_GENERIC_STATE      *State;
+
+    ACPI_FUNCTION_NAME ("DsResultStackPop");
+
+
+    /* Check for stack underflow */
+
+    if (WalkState->Results == NULL)
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Underflow - State=%p\n",
+            WalkState));
+        return (AE_AML_NO_OPERAND);
+    }
+
+
+    State = AcpiUtPopGenericState (&WalkState->Results);
+
+    ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
+        "Result=%p RemainingResults=%X State=%p\n",
+        State, State->Results.NumResults, WalkState));
+
+    AcpiUtDeleteGenericState (State);
+
+    return (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDsObjStackDeleteAll
+ *
+ * PARAMETERS:  WalkState           - Current Walk state
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Clear the object stack by deleting all objects that are on it.
+ *              Should be used with great care, if at all!
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiDsObjStackDeleteAll (
+    ACPI_WALK_STATE         *WalkState)
+{
+    UINT32                  i;
+
+
+    ACPI_FUNCTION_TRACE_PTR ("DsObjStackDeleteAll", WalkState);
+
+
+    /* The stack size is configurable, but fixed */
+
+    for (i = 0; i < OBJ_NUM_OPERANDS; i++)
+    {
+        if (WalkState->Operands[i])
+        {
+            AcpiUtRemoveReference (WalkState->Operands[i]);
+            WalkState->Operands[i] = NULL;
+        }
+    }
+
+    return_ACPI_STATUS (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDsObjStackPush
+ *
+ * PARAMETERS:  Object              - Object to push
+ *              WalkState           - Current Walk state
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Push an object onto this walk's object/operand stack
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiDsObjStackPush (
+    void                    *Object,
+    ACPI_WALK_STATE         *WalkState)
+{
+    ACPI_FUNCTION_NAME ("DsObjStackPush");
+
+
+    /* Check for stack overflow */
+
+    if (WalkState->NumOperands >= OBJ_NUM_OPERANDS)
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+            "overflow! Obj=%p State=%p #Ops=%X\n",
+            Object, WalkState, WalkState->NumOperands));
+        return (AE_STACK_OVERFLOW);
+    }
+
+    /* Put the object onto the stack */
+
+    WalkState->Operands [WalkState->NumOperands] = Object;
+    WalkState->NumOperands++;
+
+    ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Obj=%p [%s] State=%p #Ops=%X\n",
+                    Object, AcpiUtGetObjectTypeName ((ACPI_OPERAND_OBJECT *) Object),
+                    WalkState, WalkState->NumOperands));
+
+    return (AE_OK);
+}
+
+
+#if 0
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDsObjStackPopObject
+ *
+ * PARAMETERS:  PopCount            - Number of objects/entries to pop
+ *              WalkState           - Current Walk state
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Pop this walk's object stack.  Objects on the stack are NOT
+ *              deleted by this routine.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiDsObjStackPopObject (
+    ACPI_OPERAND_OBJECT     **Object,
+    ACPI_WALK_STATE         *WalkState)
+{
+    ACPI_FUNCTION_NAME ("DsObjStackPopObject");
+
+
+    /* Check for stack underflow */
+
+    if (WalkState->NumOperands == 0)
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+            "Missing operand/stack empty! State=%p #Ops=%X\n",
+            WalkState, WalkState->NumOperands));
+        *Object = NULL;
+        return (AE_AML_NO_OPERAND);
+    }
+
+    /* Pop the stack */
+
+    WalkState->NumOperands--;
+
+    /* Check for a valid operand */
+
+    if (!WalkState->Operands [WalkState->NumOperands])
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+            "Null operand! State=%p #Ops=%X\n",
+            WalkState, WalkState->NumOperands));
+        *Object = NULL;
+        return (AE_AML_NO_OPERAND);
+    }
+
+    /* Get operand and set stack entry to null */
+
+    *Object = WalkState->Operands [WalkState->NumOperands];
+    WalkState->Operands [WalkState->NumOperands] = NULL;
+
+    ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Obj=%p [%s] State=%p #Ops=%X\n",
+                    *Object, AcpiUtGetObjectTypeName (*Object),
+                    WalkState, WalkState->NumOperands));
+
+    return (AE_OK);
+}
+#endif
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDsObjStackPop
+ *
+ * PARAMETERS:  PopCount            - Number of objects/entries to pop
+ *              WalkState           - Current Walk state
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Pop this walk's object stack.  Objects on the stack are NOT
+ *              deleted by this routine.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiDsObjStackPop (
+    UINT32                  PopCount,
+    ACPI_WALK_STATE         *WalkState)
+{
+    UINT32                  i;
+
+    ACPI_FUNCTION_NAME ("DsObjStackPop");
+
+
+    for (i = 0; i < PopCount; i++)
+    {
+        /* Check for stack underflow */
+
+        if (WalkState->NumOperands == 0)
+        {
+            ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+                "Underflow! Count=%X State=%p #Ops=%X\n",
+                PopCount, WalkState, WalkState->NumOperands));
+            return (AE_STACK_UNDERFLOW);
+        }
+
+        /* Just set the stack entry to null */
+
+        WalkState->NumOperands--;
+        WalkState->Operands [WalkState->NumOperands] = NULL;
+    }
+
+    ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Count=%X State=%p #Ops=%X\n",
+                    PopCount, WalkState, WalkState->NumOperands));
+
+    return (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDsObjStackPopAndDelete
+ *
+ * PARAMETERS:  PopCount            - Number of objects/entries to pop
+ *              WalkState           - Current Walk state
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Pop this walk's object stack and delete each object that is
+ *              popped off.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiDsObjStackPopAndDelete (
+    UINT32                  PopCount,
+    ACPI_WALK_STATE         *WalkState)
+{
+    UINT32                  i;
+    ACPI_OPERAND_OBJECT     *ObjDesc;
+
+    ACPI_FUNCTION_NAME ("DsObjStackPopAndDelete");
+
+
+    for (i = 0; i < PopCount; i++)
+    {
+        /* Check for stack underflow */
+
+        if (WalkState->NumOperands == 0)
+        {
+            ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+                "Underflow! Count=%X State=%p #Ops=%X\n",
+                PopCount, WalkState, WalkState->NumOperands));
+            return (AE_STACK_UNDERFLOW);
+        }
+
+        /* Pop the stack and delete an object if present in this stack entry */
+
+        WalkState->NumOperands--;
+        ObjDesc = WalkState->Operands [WalkState->NumOperands];
+        if (ObjDesc)
+        {
+            AcpiUtRemoveReference (WalkState->Operands [WalkState->NumOperands]);
+            WalkState->Operands [WalkState->NumOperands] = NULL;
+        }
+    }
+
+    ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Count=%X State=%p #Ops=%X\n",
+                    PopCount, WalkState, WalkState->NumOperands));
+
+    return (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDsObjStackGetValue
+ *
+ * PARAMETERS:  Index               - Stack index whose value is desired.  Based
+ *                                    on the top of the stack (index=0 == top)
+ *              WalkState           - Current Walk state
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Retrieve an object from this walk's object stack.  Index must
+ *              be within the range of the current stack pointer.
+ *
+ ******************************************************************************/
+
+void *
+AcpiDsObjStackGetValue (
+    UINT32                  Index,
+    ACPI_WALK_STATE         *WalkState)
+{
+
+    ACPI_FUNCTION_TRACE_PTR ("DsObjStackGetValue", WalkState);
+
+
+    /* Can't do it if the stack is empty */
+
+    if (WalkState->NumOperands == 0)
+    {
+        return_PTR (NULL);
+    }
+
+    /* or if the index is past the top of the stack */
+
+    if (Index > (WalkState->NumOperands - (UINT32) 1))
+    {
+        return_PTR (NULL);
+    }
+
+    return_PTR (WalkState->Operands[(NATIVE_UINT)(WalkState->NumOperands - 1) -
+                    Index]);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDsGetCurrentWalkState
+ *
+ * PARAMETERS:  Thread          - Get current active state for this Thread
+ *
+ * RETURN:      Pointer to the current walk state
+ *
+ * DESCRIPTION: Get the walk state that is at the head of the list (the "current"
+ *              walk state.)
+ *
+ ******************************************************************************/
+
+ACPI_WALK_STATE *
+AcpiDsGetCurrentWalkState (
+    ACPI_THREAD_STATE       *Thread)
+
+{
+    ACPI_FUNCTION_NAME ("DsGetCurrentWalkState");
+
+
+    if (!Thread)
+    {
+        return (NULL);
+    }
+
+    ACPI_DEBUG_PRINT ((ACPI_DB_PARSE, "DsGetCurrentWalkState, =%p\n",
+        Thread->WalkStateList));
+
+    return (Thread->WalkStateList);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDsPushWalkState
+ *
+ * PARAMETERS:  WalkState       - State to push
+ *              WalkList        - The list that owns the walk stack
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Place the WalkState at the head of the state list.
+ *
+ ******************************************************************************/
+
+void
+AcpiDsPushWalkState (
+    ACPI_WALK_STATE         *WalkState,
+    ACPI_THREAD_STATE       *Thread)
+{
+    ACPI_FUNCTION_TRACE ("DsPushWalkState");
+
+
+    WalkState->Next       = Thread->WalkStateList;
+    Thread->WalkStateList = WalkState;
+
+    return_VOID;
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDsPopWalkState
+ *
+ * PARAMETERS:  WalkList        - The list that owns the walk stack
+ *
+ * RETURN:      A WalkState object popped from the stack
+ *
+ * DESCRIPTION: Remove and return the walkstate object that is at the head of
+ *              the walk stack for the given walk list.  NULL indicates that
+ *              the list is empty.
+ *
+ ******************************************************************************/
+
+ACPI_WALK_STATE *
+AcpiDsPopWalkState (
+    ACPI_THREAD_STATE       *Thread)
+{
+    ACPI_WALK_STATE         *WalkState;
+
+
+    ACPI_FUNCTION_TRACE ("DsPopWalkState");
+
+
+    WalkState = Thread->WalkStateList;
+
+    if (WalkState)
+    {
+        /* Next walk state becomes the current walk state */
+
+        Thread->WalkStateList = WalkState->Next;
+
+        /*
+         * Don't clear the NEXT field, this serves as an indicator
+         * that there is a parent WALK STATE
+         *     NO: WalkState->Next = NULL;
+         */
+    }
+
+    return_PTR (WalkState);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDsCreateWalkState
+ *
+ * PARAMETERS:  Origin          - Starting point for this walk
+ *              Thread          - Current thread state
+ *
+ * RETURN:      Pointer to the new walk state.
+ *
+ * DESCRIPTION: Allocate and initialize a new walk state.  The current walk
+ *              state is set to this new state.
+ *
+ ******************************************************************************/
+
+ACPI_WALK_STATE *
+AcpiDsCreateWalkState (
+    ACPI_OWNER_ID           OwnerId,
+    ACPI_PARSE_OBJECT       *Origin,
+    ACPI_OPERAND_OBJECT     *MthDesc,
+    ACPI_THREAD_STATE       *Thread)
+{
+    ACPI_WALK_STATE         *WalkState;
+    ACPI_STATUS             Status;
+
+
+    ACPI_FUNCTION_TRACE ("DsCreateWalkState");
+
+
+    WalkState = AcpiUtAcquireFromCache (ACPI_MEM_LIST_WALK);
+    if (!WalkState)
+    {
+        return_PTR (NULL);
+    }
+
+    WalkState->DataType         = ACPI_DESC_TYPE_WALK;
+    WalkState->OwnerId          = OwnerId;
+    WalkState->Origin           = Origin;
+    WalkState->MethodDesc       = MthDesc;
+    WalkState->Thread           = Thread;
+
+    WalkState->ParserState.StartOp = Origin;
+
+    /* Init the method args/local */
+
+#if (!defined (ACPI_NO_METHOD_EXECUTION) && !defined (ACPI_CONSTANT_EVAL_ONLY))
+    AcpiDsMethodDataInit (WalkState);
+#endif
+
+    /* Create an initial result stack entry */
+
+    Status = AcpiDsResultStackPush (WalkState);
+    if (ACPI_FAILURE (Status))
+    {
+        return_PTR (NULL);
+    }
+
+    /* Put the new state at the head of the walk list */
+
+    if (Thread)
+    {
+        AcpiDsPushWalkState (WalkState, Thread);
+    }
+
+    return_PTR (WalkState);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDsInitAmlWalk
+ *
+ * PARAMETERS:  WalkState       - New state to be initialized
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Initialize a walk state for a pass 1 or 2 parse tree walk
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiDsInitAmlWalk (
+    ACPI_WALK_STATE         *WalkState,
+    ACPI_PARSE_OBJECT       *Op,
+    ACPI_NAMESPACE_NODE     *MethodNode,
+    UINT8                   *AmlStart,
+    UINT32                  AmlLength,
+    ACPI_OPERAND_OBJECT     **Params,
+    ACPI_OPERAND_OBJECT     **ReturnObjDesc,
+    UINT32                  PassNumber)
+{
+    ACPI_STATUS             Status;
+    ACPI_PARSE_STATE        *ParserState = &WalkState->ParserState;
+    ACPI_PARSE_OBJECT       *ExtraOp;
+
+
+    ACPI_FUNCTION_TRACE ("DsInitAmlWalk");
+
+
+    WalkState->ParserState.Aml      =
+    WalkState->ParserState.AmlStart = AmlStart;
+    WalkState->ParserState.AmlEnd   =
+    WalkState->ParserState.PkgEnd   = AmlStart + AmlLength;
+
+    /* The NextOp of the NextWalk will be the beginning of the method */
+
+    WalkState->NextOp               = NULL;
+    WalkState->Params               = Params;
+    WalkState->CallerReturnDesc     = ReturnObjDesc;
+
+    Status = AcpiPsInitScope (&WalkState->ParserState, Op);
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    if (MethodNode)
+    {
+        WalkState->ParserState.StartNode    = MethodNode;
+        WalkState->WalkType                 = ACPI_WALK_METHOD;
+        WalkState->MethodNode               = MethodNode;
+        WalkState->MethodDesc               = AcpiNsGetAttachedObject (MethodNode);
+
+        /* Push start scope on scope stack and make it current  */
+
+        Status = AcpiDsScopeStackPush (MethodNode, ACPI_TYPE_METHOD, WalkState);
+        if (ACPI_FAILURE (Status))
+        {
+            return_ACPI_STATUS (Status);
+        }
+
+        /* Init the method arguments */
+
+        Status = AcpiDsMethodDataInitArgs (Params, MTH_NUM_ARGS, WalkState);
+        if (ACPI_FAILURE (Status))
+        {
+            return_ACPI_STATUS (Status);
+        }
+    }
+    else
+    {
+        /* 
+         * Setup the current scope.
+         * Find a Named Op that has a namespace node associated with it.
+         * search upwards from this Op.  Current scope is the first
+         * Op with a namespace node.
+         */
+        ExtraOp = ParserState->StartOp;
+        while (ExtraOp && !ExtraOp->Common.Node)
+        {
+            ExtraOp = ExtraOp->Common.Parent;
+        }
+        if (!ExtraOp)
+        {
+            ParserState->StartNode = NULL;
+        }
+        else
+        {
+            ParserState->StartNode = ExtraOp->Common.Node;
+        }
+        
+        if (ParserState->StartNode)
+        {
+            /* Push start scope on scope stack and make it current  */
+
+            Status = AcpiDsScopeStackPush (ParserState->StartNode,
+                            ParserState->StartNode->Type, WalkState);
+            if (ACPI_FAILURE (Status))
+            {
+                return_ACPI_STATUS (Status);
+            }
+        }
+    }
+
+    Status = AcpiDsInitCallbacks (WalkState, PassNumber);
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDsDeleteWalkState
+ *
+ * PARAMETERS:  WalkState       - State to delete
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Delete a walk state including all internal data structures
+ *
+ ******************************************************************************/
+
+void
+AcpiDsDeleteWalkState (
+    ACPI_WALK_STATE         *WalkState)
+{
+    ACPI_GENERIC_STATE      *State;
+
+
+    ACPI_FUNCTION_TRACE_PTR ("DsDeleteWalkState", WalkState);
+
+
+    if (!WalkState)
+    {
+        return;
+    }
+
+    if (WalkState->DataType != ACPI_DESC_TYPE_WALK)
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "%p is not a valid walk state\n", WalkState));
+        return;
+    }
+
+    if (WalkState->ParserState.Scope)
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "%p walk still has a scope list\n", WalkState));
+    }
+
+   /* Always must free any linked control states */
+
+    while (WalkState->ControlState)
+    {
+        State = WalkState->ControlState;
+        WalkState->ControlState = State->Common.Next;
+
+        AcpiUtDeleteGenericState (State);
+    }
+
+    /* Always must free any linked parse states */
+
+    while (WalkState->ScopeInfo)
+    {
+        State = WalkState->ScopeInfo;
+        WalkState->ScopeInfo = State->Common.Next;
+
+        AcpiUtDeleteGenericState (State);
+    }
+
+    /* Always must free any stacked result states */
+
+    while (WalkState->Results)
+    {
+        State = WalkState->Results;
+        WalkState->Results = State->Common.Next;
+
+        AcpiUtDeleteGenericState (State);
+    }
+
+    AcpiUtReleaseToCache (ACPI_MEM_LIST_WALK, WalkState);
+    return_VOID;
+}
+
+
+/******************************************************************************
+ *
+ * FUNCTION:    AcpiDsDeleteWalkStateCache
+ *
+ * PARAMETERS:  None
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Purge the global state object cache.  Used during subsystem
+ *              termination.
+ *
+ ******************************************************************************/
+
+void
+AcpiDsDeleteWalkStateCache (
+    void)
+{
+    ACPI_FUNCTION_TRACE ("DsDeleteWalkStateCache");
+
+
+    AcpiUtDeleteGenericCache (ACPI_MEM_LIST_WALK);
+    return_VOID;
+}
+
+
diff --git a/sys/contrib/dev/acpica/evevent.c b/sys/contrib/dev/acpica/evevent.c
new file mode 100644
index 0000000..fe4bc56
--- /dev/null
+++ b/sys/contrib/dev/acpica/evevent.c
@@ -0,0 +1,1095 @@
+/******************************************************************************
+ *
+ * Module Name: evevent - Fixed and General Purpose Even handling and dispatch
+ *              $Revision: 96 $
+ *
+ *****************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+#include "acpi.h"
+#include "acevents.h"
+#include "acnamesp.h"
+
+#define _COMPONENT          ACPI_EVENTS
+        ACPI_MODULE_NAME    ("evevent")
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiEvInitialize
+ *
+ * PARAMETERS:  None
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Initialize global data structures for events.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiEvInitialize (
+    void)
+{
+    ACPI_STATUS             Status;
+
+
+    ACPI_FUNCTION_TRACE ("EvInitialize");
+
+
+    /* Make sure we have ACPI tables */
+
+    if (!AcpiGbl_DSDT)
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_WARN, "No ACPI tables present!\n"));
+        return_ACPI_STATUS (AE_NO_ACPI_TABLES);
+    }
+
+    /*
+     * Initialize the Fixed and General Purpose AcpiEvents prior.  This is
+     * done prior to enabling SCIs to prevent interrupts from occuring
+     * before handers are installed.
+     */
+    Status = AcpiEvFixedEventInitialize ();
+    if (ACPI_FAILURE (Status))
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_FATAL,
+                "Unable to initialize fixed events, %s\n",
+                AcpiFormatException (Status)));
+        return_ACPI_STATUS (Status);
+    }
+
+    Status = AcpiEvGpeInitialize ();
+    if (ACPI_FAILURE (Status))
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_FATAL,
+                "Unable to initialize general purpose events, %s\n",
+                AcpiFormatException (Status)));
+        return_ACPI_STATUS (Status);
+    }
+
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiEvHandlerInitialize
+ *
+ * PARAMETERS:  None
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Install handlers for the SCI, Global Lock, and GPEs.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiEvHandlerInitialize (
+    void)
+{
+    ACPI_STATUS             Status;
+
+
+    ACPI_FUNCTION_TRACE ("EvHandlerInitialize");
+
+
+    /* Install the SCI handler */
+
+    Status = AcpiEvInstallSciHandler ();
+    if (ACPI_FAILURE (Status))
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_FATAL,
+                "Unable to install System Control Interrupt Handler, %s\n",
+                AcpiFormatException (Status)));
+        return_ACPI_STATUS (Status);
+    }
+
+    /* Install handlers for control method GPE handlers (_Lxx, _Exx) */
+
+    Status = AcpiEvInitGpeControlMethods ();
+    if (ACPI_FAILURE (Status))
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_FATAL,
+                "Unable to initialize GPE control methods, %s\n",
+                AcpiFormatException (Status)));
+        return_ACPI_STATUS (Status);
+    }
+
+    /* Install the handler for the Global Lock */
+
+    Status = AcpiEvInitGlobalLockHandler ();
+    if (ACPI_FAILURE (Status))
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_FATAL,
+                "Unable to initialize Global Lock handler, %s\n",
+                AcpiFormatException (Status)));
+        return_ACPI_STATUS (Status);
+    }
+
+    AcpiGbl_EventsInitialized = TRUE;
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiEvFixedEventInitialize
+ *
+ * PARAMETERS:  None
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Install the fixed event handlers and enable the fixed events.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiEvFixedEventInitialize (
+    void)
+{
+    NATIVE_UINT             i;
+    ACPI_STATUS             Status;
+
+
+    /*
+     * Initialize the structure that keeps track of fixed event handlers
+     * and enable the fixed events.
+     */
+    for (i = 0; i < ACPI_NUM_FIXED_EVENTS; i++)
+    {
+        AcpiGbl_FixedEventHandlers[i].Handler = NULL;
+        AcpiGbl_FixedEventHandlers[i].Context = NULL;
+
+        /* Enable the fixed event */
+
+        if (AcpiGbl_FixedEventInfo[i].EnableRegisterId != 0xFF)
+        {
+            Status = AcpiSetRegister (AcpiGbl_FixedEventInfo[i].EnableRegisterId,
+                                    0, ACPI_MTX_LOCK);
+            if (ACPI_FAILURE (Status))
+            {
+                return (Status);
+            }
+        }
+    }
+
+    return (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiEvFixedEventDetect
+ *
+ * PARAMETERS:  None
+ *
+ * RETURN:      INTERRUPT_HANDLED or INTERRUPT_NOT_HANDLED
+ *
+ * DESCRIPTION: Checks the PM status register for fixed events
+ *
+ ******************************************************************************/
+
+UINT32
+AcpiEvFixedEventDetect (
+    void)
+{
+    UINT32                  IntStatus = ACPI_INTERRUPT_NOT_HANDLED;
+    UINT32                  FixedStatus;
+    UINT32                  FixedEnable;
+    NATIVE_UINT_MAX32       i;
+
+
+    ACPI_FUNCTION_NAME ("EvFixedEventDetect");
+
+
+    /*
+     * Read the fixed feature status and enable registers, as all the cases
+     * depend on their values.  Ignore errors here.
+     */
+    (void) AcpiHwRegisterRead (ACPI_MTX_DO_NOT_LOCK, ACPI_REGISTER_PM1_STATUS, &FixedStatus);
+    (void) AcpiHwRegisterRead (ACPI_MTX_DO_NOT_LOCK, ACPI_REGISTER_PM1_ENABLE, &FixedEnable);
+
+    ACPI_DEBUG_PRINT ((ACPI_DB_INTERRUPTS,
+        "Fixed AcpiEvent Block: Enable %08X Status %08X\n",
+        FixedEnable, FixedStatus));
+
+    /*
+     * Check for all possible Fixed Events and dispatch those that are active
+     */
+    for (i = 0; i < ACPI_NUM_FIXED_EVENTS; i++)
+    {
+        /* Both the status and enable bits must be on for this event */
+
+        if ((FixedStatus & AcpiGbl_FixedEventInfo[i].StatusBitMask) &&
+            (FixedEnable & AcpiGbl_FixedEventInfo[i].EnableBitMask))
+        {
+            /* Found an active (signalled) event */
+
+            IntStatus |= AcpiEvFixedEventDispatch (i);
+        }
+    }
+
+    return (IntStatus);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiEvFixedEventDispatch
+ *
+ * PARAMETERS:  Event               - Event type
+ *
+ * RETURN:      INTERRUPT_HANDLED or INTERRUPT_NOT_HANDLED
+ *
+ * DESCRIPTION: Clears the status bit for the requested event, calls the
+ *              handler that previously registered for the event.
+ *
+ ******************************************************************************/
+
+UINT32
+AcpiEvFixedEventDispatch (
+    UINT32                  Event)
+{
+
+
+    ACPI_FUNCTION_ENTRY ();
+
+
+    /* Clear the status bit */
+
+    (void) AcpiSetRegister (AcpiGbl_FixedEventInfo[Event].StatusRegisterId,
+                1, ACPI_MTX_DO_NOT_LOCK);
+
+    /*
+     * Make sure we've got a handler.  If not, report an error.
+     * The event is disabled to prevent further interrupts.
+     */
+    if (NULL == AcpiGbl_FixedEventHandlers[Event].Handler)
+    {
+        (void) AcpiSetRegister (AcpiGbl_FixedEventInfo[Event].EnableRegisterId,
+                0, ACPI_MTX_DO_NOT_LOCK);
+
+        ACPI_REPORT_ERROR (
+            ("EvGpeDispatch: No installed handler for fixed event [%08X]\n",
+            Event));
+
+        return (ACPI_INTERRUPT_NOT_HANDLED);
+    }
+
+    /* Invoke the Fixed Event handler */
+
+    return ((AcpiGbl_FixedEventHandlers[Event].Handler)(
+                                AcpiGbl_FixedEventHandlers[Event].Context));
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiEvGpeInitialize
+ *
+ * PARAMETERS:  None
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Initialize the GPE data structures
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiEvGpeInitialize (void)
+{
+    NATIVE_UINT_MAX32       i;
+    NATIVE_UINT_MAX32       j;
+    UINT32                  GpeBlock;
+    UINT32                  GpeRegister;
+    UINT32                  GpeNumberIndex;
+    UINT32                  GpeNumber;
+    ACPI_GPE_REGISTER_INFO  *GpeRegisterInfo;
+    ACPI_STATUS             Status;
+
+
+    ACPI_FUNCTION_TRACE ("EvGpeInitialize");
+
+
+    /*
+     * Initialize the GPE Block globals
+     *
+     * Why the GPE register block lengths divided by 2:  From the ACPI Spec,
+     * section "General-Purpose Event Registers", we have:
+     *
+     * "Each register block contains two registers of equal length
+     *  GPEx_STS and GPEx_EN (where x is 0 or 1). The length of the
+     *  GPE0_STS and GPE0_EN registers is equal to half the GPE0_LEN
+     *  The length of the GPE1_STS and GPE1_EN registers is equal to
+     *  half the GPE1_LEN. If a generic register block is not supported
+     *  then its respective block pointer and block length values in the
+     *  FADT table contain zeros. The GPE0_LEN and GPE1_LEN do not need
+     *  to be the same size."
+     */
+    AcpiGbl_GpeBlockInfo[0].AddressSpaceId  = AcpiGbl_FADT->XGpe0Blk.AddressSpaceId;
+    AcpiGbl_GpeBlockInfo[1].AddressSpaceId  = AcpiGbl_FADT->XGpe1Blk.AddressSpaceId;
+
+    AcpiGbl_GpeBlockInfo[0].RegisterCount   = (UINT16) ACPI_DIV_16 (AcpiGbl_FADT->XGpe0Blk.RegisterBitWidth);
+    AcpiGbl_GpeBlockInfo[1].RegisterCount   = (UINT16) ACPI_DIV_16 (AcpiGbl_FADT->XGpe1Blk.RegisterBitWidth);
+
+    AcpiGbl_GpeBlockInfo[0].BlockAddress    = &AcpiGbl_FADT->XGpe0Blk;
+    AcpiGbl_GpeBlockInfo[1].BlockAddress    = &AcpiGbl_FADT->XGpe1Blk;
+
+    AcpiGbl_GpeBlockInfo[0].BlockBaseNumber = 0;
+    AcpiGbl_GpeBlockInfo[1].BlockBaseNumber = AcpiGbl_FADT->Gpe1Base;
+
+    /* Warn and exit if there are no GPE registers */
+
+    AcpiGbl_GpeRegisterCount = AcpiGbl_GpeBlockInfo[0].RegisterCount +
+                               AcpiGbl_GpeBlockInfo[1].RegisterCount;
+    if (!AcpiGbl_GpeRegisterCount)
+    {
+        ACPI_REPORT_WARNING (("There are no GPE blocks defined in the FADT\n"));
+        return_ACPI_STATUS (AE_OK);
+    }
+
+    /* 
+     * Determine the maximum GPE number for this machine.
+     * Note: both GPE0 and GPE1 are optional, and either can exist without
+     * the other
+     */
+    if (AcpiGbl_GpeBlockInfo[0].RegisterCount)
+    {
+        /* GPE block 0 exists */
+
+        AcpiGbl_GpeNumberMax = ACPI_MUL_8 (AcpiGbl_GpeBlockInfo[0].RegisterCount) - 1;
+    }
+
+    if (AcpiGbl_GpeBlockInfo[1].RegisterCount)
+    {
+        /* GPE block 1 exists */
+
+        /* Check for GPE0/GPE1 overlap (if both banks exist) */
+
+        if ((AcpiGbl_GpeBlockInfo[0].RegisterCount) &&
+            (AcpiGbl_GpeNumberMax >= AcpiGbl_FADT->Gpe1Base))
+        {
+            ACPI_REPORT_ERROR ((
+                "GPE0 block (GPE 0 to %d) overlaps the GPE1 block (GPE %d to %d)\n",
+                AcpiGbl_GpeNumberMax, AcpiGbl_FADT->Gpe1Base, 
+                AcpiGbl_FADT->Gpe1Base + (ACPI_MUL_8 (AcpiGbl_GpeBlockInfo[1].RegisterCount) - 1)));
+            return_ACPI_STATUS (AE_BAD_VALUE);
+        }
+
+        /* 
+         * GPE0 and GPE1 do not have to be contiguous in the GPE number space,
+         * But, GPE0 always starts at zero.
+         */
+        AcpiGbl_GpeNumberMax = AcpiGbl_FADT->Gpe1Base + 
+                                (ACPI_MUL_8 (AcpiGbl_GpeBlockInfo[1].RegisterCount) - 1);
+    }
+
+    /* Check for Max GPE number out-of-range */
+
+    if (AcpiGbl_GpeNumberMax > ACPI_GPE_MAX)
+    {
+        ACPI_REPORT_ERROR (("Maximum GPE number from FADT is too large: 0x%X\n", 
+            AcpiGbl_GpeNumberMax));
+        return_ACPI_STATUS (AE_BAD_VALUE);
+    }
+
+    /* Allocate the GPE number-to-index translation table */
+
+    AcpiGbl_GpeNumberToIndex = ACPI_MEM_CALLOCATE (
+                                    sizeof (ACPI_GPE_INDEX_INFO) *
+                                    ((ACPI_SIZE) AcpiGbl_GpeNumberMax + 1));
+    if (!AcpiGbl_GpeNumberToIndex)
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+            "Could not allocate the GpeNumberToIndex table\n"));
+        return_ACPI_STATUS (AE_NO_MEMORY);
+    }
+
+    /* Set the Gpe index table to GPE_INVALID */
+
+    ACPI_MEMSET (AcpiGbl_GpeNumberToIndex, (int) ACPI_GPE_INVALID,
+            sizeof (ACPI_GPE_INDEX_INFO) * ((ACPI_SIZE) AcpiGbl_GpeNumberMax + 1));
+
+    /* Allocate the GPE register information block */
+
+    AcpiGbl_GpeRegisterInfo = ACPI_MEM_CALLOCATE (
+                                (ACPI_SIZE) AcpiGbl_GpeRegisterCount *
+                                sizeof (ACPI_GPE_REGISTER_INFO));
+    if (!AcpiGbl_GpeRegisterInfo)
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+            "Could not allocate the GpeRegisterInfo table\n"));
+        goto ErrorExit1;
+    }
+
+    /*
+     * Allocate the GPE dispatch handler block.  There are eight distinct GPEs
+     * per register.  Initialization to zeros is sufficient.
+     */
+    AcpiGbl_GpeNumberInfo = ACPI_MEM_CALLOCATE (
+                                (ACPI_SIZE) ACPI_MUL_8 (AcpiGbl_GpeRegisterCount) *
+                                sizeof (ACPI_GPE_NUMBER_INFO));
+    if (!AcpiGbl_GpeNumberInfo)
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Could not allocate the GpeNumberInfo table\n"));
+        goto ErrorExit2;
+    }
+
+    /*
+     * Initialize the GPE information and validation tables.  A goal of these
+     * tables is to hide the fact that there are two separate GPE register sets
+     * in a given gpe hardware block, the status registers occupy the first half,
+     * and the enable registers occupy the second half.  Another goal is to hide
+     * the fact that there may be multiple GPE hardware blocks.
+     */
+    GpeRegister = 0;
+    GpeNumberIndex = 0;
+
+    for (GpeBlock = 0; GpeBlock < ACPI_MAX_GPE_BLOCKS; GpeBlock++)
+    {
+        for (i = 0; i < AcpiGbl_GpeBlockInfo[GpeBlock].RegisterCount; i++)
+        {
+            GpeRegisterInfo = &AcpiGbl_GpeRegisterInfo[GpeRegister];
+
+            /* Init the Register info for this entire GPE register (8 GPEs) */
+
+            GpeRegisterInfo->BaseGpeNumber = (UINT8) (AcpiGbl_GpeBlockInfo[GpeBlock].BlockBaseNumber
+                                                        + (ACPI_MUL_8 (i)));
+
+            ACPI_STORE_ADDRESS (GpeRegisterInfo->StatusAddress.Address,
+                                (ACPI_GET_ADDRESS (AcpiGbl_GpeBlockInfo[GpeBlock].BlockAddress->Address)
+                                    + i));
+
+            ACPI_STORE_ADDRESS (GpeRegisterInfo->EnableAddress.Address,
+                                (ACPI_GET_ADDRESS (AcpiGbl_GpeBlockInfo[GpeBlock].BlockAddress->Address)
+                                    + i
+                                    + AcpiGbl_GpeBlockInfo[GpeBlock].RegisterCount));
+
+            GpeRegisterInfo->StatusAddress.AddressSpaceId    = AcpiGbl_GpeBlockInfo[GpeBlock].AddressSpaceId;
+            GpeRegisterInfo->EnableAddress.AddressSpaceId    = AcpiGbl_GpeBlockInfo[GpeBlock].AddressSpaceId;
+            GpeRegisterInfo->StatusAddress.RegisterBitWidth  = 8;
+            GpeRegisterInfo->EnableAddress.RegisterBitWidth  = 8;
+            GpeRegisterInfo->StatusAddress.RegisterBitOffset = 8;
+            GpeRegisterInfo->EnableAddress.RegisterBitOffset = 8;
+
+            /* Init the Index mapping info for each GPE number within this register */
+
+            for (j = 0; j < 8; j++)
+            {
+                GpeNumber = GpeRegisterInfo->BaseGpeNumber + j;
+                AcpiGbl_GpeNumberToIndex[GpeNumber].NumberIndex = (UINT8) GpeNumberIndex;
+
+                AcpiGbl_GpeNumberInfo[GpeNumberIndex].BitMask = AcpiGbl_DecodeTo8bit[j];
+                GpeNumberIndex++;
+            }
+
+            /*
+             * Clear the status/enable registers.  Note that status registers
+             * are cleared by writing a '1', while enable registers are cleared
+             * by writing a '0'.
+             */
+            Status = AcpiHwLowLevelWrite (8, 0x00, &GpeRegisterInfo->EnableAddress, 0);
+            if (ACPI_FAILURE (Status))
+            {
+                return_ACPI_STATUS (Status);
+            }
+
+            Status = AcpiHwLowLevelWrite (8, 0xFF, &GpeRegisterInfo->StatusAddress, 0);
+            if (ACPI_FAILURE (Status))
+            {
+                return_ACPI_STATUS (Status);
+            }
+
+            GpeRegister++;
+        }
+
+        if (i)
+        {
+            ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "GPE Block%d: %X registers at %8.8X%8.8X\n",
+                (INT32) GpeBlock, AcpiGbl_GpeBlockInfo[0].RegisterCount,
+                ACPI_HIDWORD (ACPI_GET_ADDRESS (AcpiGbl_GpeBlockInfo[GpeBlock].BlockAddress->Address)),
+                ACPI_LODWORD (ACPI_GET_ADDRESS (AcpiGbl_GpeBlockInfo[GpeBlock].BlockAddress->Address))));
+
+            ACPI_REPORT_INFO (("GPE Block%d defined as GPE%d to GPE%d\n",
+                (INT32) GpeBlock,
+                (UINT32) AcpiGbl_GpeBlockInfo[GpeBlock].BlockBaseNumber,
+                (UINT32) (AcpiGbl_GpeBlockInfo[GpeBlock].BlockBaseNumber +
+                    ((AcpiGbl_GpeBlockInfo[GpeBlock].RegisterCount * 8) -1))));
+        }
+    }
+
+    return_ACPI_STATUS (AE_OK);
+
+
+    /* Error cleanup */
+
+ErrorExit2:
+    ACPI_MEM_FREE (AcpiGbl_GpeRegisterInfo);
+
+ErrorExit1:
+    ACPI_MEM_FREE (AcpiGbl_GpeNumberToIndex);
+    return_ACPI_STATUS (AE_NO_MEMORY);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiEvSaveMethodInfo
+ *
+ * PARAMETERS:  None
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Called from AcpiWalkNamespace.  Expects each object to be a
+ *              control method under the _GPE portion of the namespace.
+ *              Extract the name and GPE type from the object, saving this
+ *              information for quick lookup during GPE dispatch
+ *
+ *              The name of each GPE control method is of the form:
+ *                  "_Lnn" or "_Enn"
+ *              Where:
+ *                  L      - means that the GPE is level triggered
+ *                  E      - means that the GPE is edge triggered
+ *                  nn     - is the GPE number [in HEX]
+ *
+ ******************************************************************************/
+
+static ACPI_STATUS
+AcpiEvSaveMethodInfo (
+    ACPI_HANDLE             ObjHandle,
+    UINT32                  Level,
+    void                    *ObjDesc,
+    void                    **ReturnValue)
+{
+    UINT32                  GpeNumber;
+    UINT32                  GpeNumberIndex;
+    NATIVE_CHAR             Name[ACPI_NAME_SIZE + 1];
+    UINT8                   Type;
+    ACPI_STATUS             Status;
+
+
+    ACPI_FUNCTION_NAME ("EvSaveMethodInfo");
+
+
+    /* Extract the name from the object and convert to a string */
+
+    ACPI_MOVE_UNALIGNED32_TO_32 (Name,
+                                &((ACPI_NAMESPACE_NODE *) ObjHandle)->Name.Integer);
+    Name[ACPI_NAME_SIZE] = 0;
+
+    /*
+     * Edge/Level determination is based on the 2nd character of the method name
+     */
+    switch (Name[1])
+    {
+    case 'L':
+        Type = ACPI_EVENT_LEVEL_TRIGGERED;
+        break;
+
+    case 'E':
+        Type = ACPI_EVENT_EDGE_TRIGGERED;
+        break;
+
+    default:
+        /* Unknown method type, just ignore it! */
+
+        ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+            "Unknown GPE method type: %s (name not of form _Lnn or _Enn)\n",
+            Name));
+        return (AE_OK);
+    }
+
+    /* Convert the last two characters of the name to the GPE Number */
+
+    GpeNumber = ACPI_STRTOUL (&Name[2], NULL, 16);
+    if (GpeNumber == ACPI_UINT32_MAX)
+    {
+        /* Conversion failed; invalid method, just ignore it */
+
+        ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+            "Could not extract GPE number from name: %s (name not of form _Lnn or _Enn)\n",
+            Name));
+        return (AE_OK);
+    }
+
+    /* Get GPE index and ensure that we have a valid GPE number */
+
+    GpeNumberIndex = AcpiEvGetGpeNumberIndex (GpeNumber);
+    if (GpeNumberIndex == ACPI_GPE_INVALID)
+    {
+        /* Not valid, all we can do here is ignore it */
+
+        return (AE_OK);
+    }
+
+    /*
+     * Now we can add this information to the GpeInfo block
+     * for use during dispatch of this GPE.
+     */
+    AcpiGbl_GpeNumberInfo [GpeNumberIndex].Type         = Type;
+    AcpiGbl_GpeNumberInfo [GpeNumberIndex].MethodHandle = ObjHandle;
+
+    /*
+     * Enable the GPE (SCIs should be disabled at this point)
+     */
+    Status = AcpiHwEnableGpe (GpeNumber);
+    if (ACPI_FAILURE (Status))
+    {
+        return (Status);
+    }
+
+    ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Registered GPE method %s as GPE number %X\n",
+        Name, GpeNumber));
+    return (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiEvInitGpeControlMethods
+ *
+ * PARAMETERS:  None
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Obtain the control methods associated with the GPEs.
+ *              NOTE: Must be called AFTER namespace initialization!
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiEvInitGpeControlMethods (void)
+{
+    ACPI_STATUS             Status;
+
+
+    ACPI_FUNCTION_TRACE ("EvInitGpeControlMethods");
+
+
+    /* Get a permanent handle to the _GPE object */
+
+    Status = AcpiGetHandle (NULL, "\\_GPE", &AcpiGbl_GpeObjHandle);
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    /* Traverse the namespace under \_GPE to find all methods there */
+
+    Status = AcpiWalkNamespace (ACPI_TYPE_METHOD, AcpiGbl_GpeObjHandle,
+                                ACPI_UINT32_MAX, AcpiEvSaveMethodInfo,
+                                NULL, NULL);
+
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiEvGpeDetect
+ *
+ * PARAMETERS:  None
+ *
+ * RETURN:      INTERRUPT_HANDLED or INTERRUPT_NOT_HANDLED
+ *
+ * DESCRIPTION: Detect if any GP events have occurred.  This function is
+ *              executed at interrupt level.
+ *
+ ******************************************************************************/
+
+UINT32
+AcpiEvGpeDetect (void)
+{
+    UINT32                  IntStatus = ACPI_INTERRUPT_NOT_HANDLED;
+    UINT32                  i;
+    UINT32                  j;
+    UINT8                   EnabledStatusByte;
+    UINT8                   BitMask;
+    ACPI_GPE_REGISTER_INFO  *GpeRegisterInfo;
+    UINT32                  InValue;
+    ACPI_STATUS             Status;
+
+
+    ACPI_FUNCTION_NAME ("EvGpeDetect");
+
+
+    /*
+     * Read all of the 8-bit GPE status and enable registers
+     * in both of the register blocks, saving all of it.
+     * Find all currently active GP events.
+     */
+    for (i = 0; i < AcpiGbl_GpeRegisterCount; i++)
+    {
+        GpeRegisterInfo = &AcpiGbl_GpeRegisterInfo[i];
+
+        Status = AcpiHwLowLevelRead (8, &InValue, &GpeRegisterInfo->StatusAddress, 0);
+        GpeRegisterInfo->Status = (UINT8) InValue;
+        if (ACPI_FAILURE (Status))
+        {
+            return (ACPI_INTERRUPT_NOT_HANDLED);
+        }
+
+        Status = AcpiHwLowLevelRead (8, &InValue, &GpeRegisterInfo->EnableAddress, 0);
+        GpeRegisterInfo->Enable = (UINT8) InValue;
+        if (ACPI_FAILURE (Status))
+        {
+            return (ACPI_INTERRUPT_NOT_HANDLED);
+        }
+
+        ACPI_DEBUG_PRINT ((ACPI_DB_INTERRUPTS,
+            "GPE block at %8.8X%8.8X - Values: Enable %02X Status %02X\n",
+            ACPI_HIDWORD (ACPI_GET_ADDRESS (GpeRegisterInfo->EnableAddress.Address)),
+            ACPI_LODWORD (ACPI_GET_ADDRESS (GpeRegisterInfo->EnableAddress.Address)),
+            GpeRegisterInfo->Enable,
+            GpeRegisterInfo->Status));
+
+        /* First check if there is anything active at all in this register */
+
+        EnabledStatusByte = (UINT8) (GpeRegisterInfo->Status &
+                                     GpeRegisterInfo->Enable);
+        if (!EnabledStatusByte)
+        {
+            /* No active GPEs in this register, move on */
+
+            continue;
+        }
+
+        /* Now look at the individual GPEs in this byte register */
+
+        for (j = 0, BitMask = 1; j < 8; j++, BitMask <<= 1)
+        {
+            /* Examine one GPE bit */
+
+            if (EnabledStatusByte & BitMask)
+            {
+                /*
+                 * Found an active GPE.  Dispatch the event to a handler
+                 * or method.
+                 */
+                IntStatus |= AcpiEvGpeDispatch (
+                                GpeRegisterInfo->BaseGpeNumber + j);
+            }
+        }
+    }
+
+    return (IntStatus);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiEvAsynchExecuteGpeMethod
+ *
+ * PARAMETERS:  GpeNumber       - The 0-based GPE number
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Perform the actual execution of a GPE control method.  This
+ *              function is called from an invocation of AcpiOsQueueForExecution
+ *              (and therefore does NOT execute at interrupt level) so that
+ *              the control method itself is not executed in the context of
+ *              the SCI interrupt handler.
+ *
+ ******************************************************************************/
+
+static void ACPI_SYSTEM_XFACE
+AcpiEvAsynchExecuteGpeMethod (
+    void                    *Context)
+{
+    UINT32                  GpeNumber = (UINT32) ACPI_TO_INTEGER (Context);
+    UINT32                  GpeNumberIndex;
+    ACPI_GPE_NUMBER_INFO    GpeInfo;
+    ACPI_STATUS             Status;
+
+
+    ACPI_FUNCTION_TRACE ("EvAsynchExecuteGpeMethod");
+
+
+    GpeNumberIndex = AcpiEvGetGpeNumberIndex (GpeNumber);
+    if (GpeNumberIndex == ACPI_GPE_INVALID)
+    {
+        return_VOID;
+    }
+
+    /*
+     * Take a snapshot of the GPE info for this level - we copy the
+     * info to prevent a race condition with RemoveHandler.
+     */
+    Status = AcpiUtAcquireMutex (ACPI_MTX_EVENTS);
+    if (ACPI_FAILURE (Status))
+    {
+        return_VOID;
+    }
+
+    GpeInfo = AcpiGbl_GpeNumberInfo [GpeNumberIndex];
+    Status = AcpiUtReleaseMutex (ACPI_MTX_EVENTS);
+    if (ACPI_FAILURE (Status))
+    {
+        return_VOID;
+    }
+
+    if (GpeInfo.MethodHandle)
+    {
+        /*
+         * Invoke the GPE Method (_Lxx, _Exx):
+         * (Evaluate the _Lxx/_Exx control method that corresponds to this GPE.)
+         */
+        Status = AcpiNsEvaluateByHandle (GpeInfo.MethodHandle, NULL, NULL);
+        if (ACPI_FAILURE (Status))
+        {
+            ACPI_REPORT_ERROR (("%s while evaluating GPE%X method\n",
+                AcpiFormatException (Status), GpeNumber));
+        }
+    }
+
+    if (GpeInfo.Type & ACPI_EVENT_LEVEL_TRIGGERED)
+    {
+        /*
+         * GPE is level-triggered, we clear the GPE status bit after handling
+         * the event.
+         */
+        Status = AcpiHwClearGpe (GpeNumber);
+        if (ACPI_FAILURE (Status))
+        {
+            return_VOID;
+        }
+    }
+
+    /*
+     * Enable the GPE.
+     */
+    (void) AcpiHwEnableGpe (GpeNumber);
+    return_VOID;
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiEvGpeDispatch
+ *
+ * PARAMETERS:  GpeNumber       - The 0-based GPE number
+ *
+ * RETURN:      INTERRUPT_HANDLED or INTERRUPT_NOT_HANDLED
+ *
+ * DESCRIPTION: Dispatch a General Purpose Event to either a function (e.g. EC)
+ *              or method (e.g. _Lxx/_Exx) handler.  This function executes
+ *              at interrupt level.
+ *
+ ******************************************************************************/
+
+UINT32
+AcpiEvGpeDispatch (
+    UINT32                  GpeNumber)
+{
+    UINT32                  GpeNumberIndex;
+    ACPI_GPE_NUMBER_INFO    *GpeInfo;
+    ACPI_STATUS             Status;
+
+
+    ACPI_FUNCTION_TRACE ("EvGpeDispatch");
+
+
+    GpeNumberIndex = AcpiEvGetGpeNumberIndex (GpeNumber);
+    if (GpeNumberIndex == ACPI_GPE_INVALID)
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "GPE[%X] is not a valid event\n", GpeNumber));
+        return_VALUE (ACPI_INTERRUPT_NOT_HANDLED);
+    }
+
+    /*
+     * We don't have to worry about mutex on GpeInfo because we are
+     * executing at interrupt level.
+     */
+    GpeInfo = &AcpiGbl_GpeNumberInfo [GpeNumberIndex];
+
+    /*
+     * If edge-triggered, clear the GPE status bit now.  Note that
+     * level-triggered events are cleared after the GPE is serviced.
+     */
+    if (GpeInfo->Type & ACPI_EVENT_EDGE_TRIGGERED)
+    {
+        Status = AcpiHwClearGpe (GpeNumber);
+        if (ACPI_FAILURE (Status))
+        {
+            ACPI_REPORT_ERROR (("AcpiEvGpeDispatch: Unable to clear GPE[%X]\n", GpeNumber));
+            return_VALUE (ACPI_INTERRUPT_NOT_HANDLED);
+        }
+    }
+
+    /*
+     * Dispatch the GPE to either an installed handler, or the control
+     * method associated with this GPE (_Lxx or _Exx).
+     * If a handler exists, we invoke it and do not attempt to run the method.
+     * If there is neither a handler nor a method, we disable the level to
+     * prevent further events from coming in here.
+     */
+    if (GpeInfo->Handler)
+    {
+        /* Invoke the installed handler (at interrupt level) */
+
+        GpeInfo->Handler (GpeInfo->Context);
+    }
+    else if (GpeInfo->MethodHandle)
+    {
+        /*
+         * Disable GPE, so it doesn't keep firing before the method has a
+         * chance to run.
+         */
+        Status = AcpiHwDisableGpe (GpeNumber);
+        if (ACPI_FAILURE (Status))
+        {
+            ACPI_REPORT_ERROR (("AcpiEvGpeDispatch: Unable to disable GPE[%X]\n", GpeNumber));
+            return_VALUE (ACPI_INTERRUPT_NOT_HANDLED);
+        }
+
+        /*
+         * Execute the method associated with the GPE.
+         */
+        if (ACPI_FAILURE (AcpiOsQueueForExecution (OSD_PRIORITY_GPE,
+                                AcpiEvAsynchExecuteGpeMethod,
+                                ACPI_TO_POINTER (GpeNumber))))
+        {
+            ACPI_REPORT_ERROR (("AcpiEvGpeDispatch: Unable to queue handler for GPE[%X], event is disabled\n", GpeNumber));
+        }
+    }
+    else
+    {
+        /* No handler or method to run! */
+
+        ACPI_REPORT_ERROR (("AcpiEvGpeDispatch: No handler or method for GPE[%X], disabling event\n", GpeNumber));
+
+        /*
+         * Disable the GPE.  The GPE will remain disabled until the ACPI
+         * Core Subsystem is restarted, or the handler is reinstalled.
+         */
+        Status = AcpiHwDisableGpe (GpeNumber);
+        if (ACPI_FAILURE (Status))
+        {
+            ACPI_REPORT_ERROR (("AcpiEvGpeDispatch: Unable to disable GPE[%X]\n", GpeNumber));
+            return_VALUE (ACPI_INTERRUPT_NOT_HANDLED);
+        }
+    }
+
+    /*
+     * It is now safe to clear level-triggered evnets.
+     */
+    if (GpeInfo->Type & ACPI_EVENT_LEVEL_TRIGGERED)
+    {
+        Status = AcpiHwClearGpe (GpeNumber);
+        if (ACPI_FAILURE (Status))
+        {
+            ACPI_REPORT_ERROR (("AcpiEvGpeDispatch: Unable to clear GPE[%X]\n", GpeNumber));
+            return_VALUE (ACPI_INTERRUPT_NOT_HANDLED);
+        }
+    }
+
+    return_VALUE (ACPI_INTERRUPT_HANDLED);
+}
diff --git a/sys/contrib/dev/acpica/evmisc.c b/sys/contrib/dev/acpica/evmisc.c
new file mode 100644
index 0000000..7213611
--- /dev/null
+++ b/sys/contrib/dev/acpica/evmisc.c
@@ -0,0 +1,764 @@
+/******************************************************************************
+ *
+ * Module Name: evmisc - Miscellaneous event manager support functions
+ *              $Revision: 59 $
+ *
+ *****************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+#include "acpi.h"
+#include "acevents.h"
+#include "acnamesp.h"
+#include "acinterp.h"
+
+#define _COMPONENT          ACPI_EVENTS
+        ACPI_MODULE_NAME    ("evmisc")
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiEvIsNotifyObject
+ *
+ * PARAMETERS:  Node            - Node to check
+ *
+ * RETURN:      TRUE if notifies allowed on this object
+ *
+ * DESCRIPTION: Check type of node for a object that supports notifies.
+ *
+ *              TBD: This could be replaced by a flag bit in the node.
+ *
+ ******************************************************************************/
+
+BOOLEAN
+AcpiEvIsNotifyObject (
+    ACPI_NAMESPACE_NODE     *Node)
+{
+    switch (Node->Type)
+    {
+    case ACPI_TYPE_DEVICE:
+    case ACPI_TYPE_PROCESSOR:
+    case ACPI_TYPE_POWER:
+    case ACPI_TYPE_THERMAL:
+        /*
+         * These are the ONLY objects that can receive ACPI notifications
+         */
+        return (TRUE);
+
+    default:
+        return (FALSE);
+    }
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiEvGetGpeRegisterIndex
+ *
+ * PARAMETERS:  GpeNumber       - Raw GPE number
+ *
+ * RETURN:      None.
+ *
+ * DESCRIPTION: Returns the register index (index into the GPE register info
+ *              table) associated with this GPE.
+ *
+ ******************************************************************************/
+
+UINT32
+AcpiEvGetGpeRegisterIndex (
+    UINT32                  GpeNumber)
+{
+
+    if (GpeNumber > AcpiGbl_GpeNumberMax)
+    {
+        return (ACPI_GPE_INVALID);
+    }
+
+    return (ACPI_DIV_8 (AcpiGbl_GpeNumberToIndex[GpeNumber].NumberIndex));
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiEvGetGpeNumberIndex
+ *
+ * PARAMETERS:  GpeNumber       - Raw GPE number
+ *
+ * RETURN:      None.
+ *
+ * DESCRIPTION: Returns the number index (index into the GPE number info table)
+ *              associated with this GPE.
+ *
+ ******************************************************************************/
+
+UINT32
+AcpiEvGetGpeNumberIndex (
+    UINT32                  GpeNumber)
+{
+
+    if (GpeNumber > AcpiGbl_GpeNumberMax)
+    {
+        return (ACPI_GPE_INVALID);
+    }
+
+    return (AcpiGbl_GpeNumberToIndex[GpeNumber].NumberIndex);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiEvQueueNotifyRequest
+ *
+ * PARAMETERS:
+ *
+ * RETURN:      None.
+ *
+ * DESCRIPTION: Dispatch a device notification event to a previously
+ *              installed handler.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiEvQueueNotifyRequest (
+    ACPI_NAMESPACE_NODE     *Node,
+    UINT32                  NotifyValue)
+{
+    ACPI_OPERAND_OBJECT     *ObjDesc;
+    ACPI_OPERAND_OBJECT     *HandlerObj = NULL;
+    ACPI_GENERIC_STATE      *NotifyInfo;
+    ACPI_STATUS             Status = AE_OK;
+
+
+    ACPI_FUNCTION_NAME ("EvQueueNotifyRequest");
+
+
+    /*
+     * For value 1 (Ejection Request), some device method may need to be run.
+     * For value 2 (Device Wake) if _PRW exists, the _PS0 method may need to be run.
+     * For value 0x80 (Status Change) on the power button or sleep button,
+     * initiate soft-off or sleep operation?
+     */
+    ACPI_DEBUG_PRINT ((ACPI_DB_INFO,
+        "Dispatching Notify(%X) on node %p\n", NotifyValue, Node));
+
+    switch (NotifyValue)
+    {
+    case 0:
+        ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Notify value: Re-enumerate Devices\n"));
+        break;
+
+    case 1:
+        ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Notify value: Ejection Request\n"));
+        break;
+
+    case 2:
+        ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Notify value: Device Wake\n"));
+        break;
+
+    case 0x80:
+        ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Notify value: Status Change\n"));
+        break;
+
+    default:
+        ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Unknown Notify Value: %X \n", NotifyValue));
+        break;
+    }
+
+    /*
+     * Get the notify object attached to the NS Node
+     */
+    ObjDesc = AcpiNsGetAttachedObject (Node);
+    if (ObjDesc)
+    {
+        /* We have the notify object, Get the right handler */
+
+        switch (Node->Type)
+        {
+        case ACPI_TYPE_DEVICE:
+        case ACPI_TYPE_THERMAL:
+        case ACPI_TYPE_PROCESSOR:
+        case ACPI_TYPE_POWER:
+
+            if (NotifyValue <= ACPI_MAX_SYS_NOTIFY)
+            {
+                HandlerObj = ObjDesc->CommonNotify.SysHandler;
+            }
+            else
+            {
+                HandlerObj = ObjDesc->CommonNotify.DrvHandler;
+            }
+            break;
+
+        default:
+            /* All other types are not supported */
+            return (AE_TYPE);
+        }
+    }
+
+    /* If there is any handler to run, schedule the dispatcher */
+
+    if ((AcpiGbl_SysNotify.Handler && (NotifyValue <= ACPI_MAX_SYS_NOTIFY)) ||
+        (AcpiGbl_DrvNotify.Handler && (NotifyValue > ACPI_MAX_SYS_NOTIFY))  ||
+        HandlerObj)
+    {
+        NotifyInfo = AcpiUtCreateGenericState ();
+        if (!NotifyInfo)
+        {
+            return (AE_NO_MEMORY);
+        }
+
+        NotifyInfo->Common.DataType   = ACPI_DESC_TYPE_STATE_NOTIFY;
+        NotifyInfo->Notify.Node       = Node;
+        NotifyInfo->Notify.Value      = (UINT16) NotifyValue;
+        NotifyInfo->Notify.HandlerObj = HandlerObj;
+
+        Status = AcpiOsQueueForExecution (OSD_PRIORITY_HIGH,
+                        AcpiEvNotifyDispatch, NotifyInfo);
+        if (ACPI_FAILURE (Status))
+        {
+            AcpiUtDeleteGenericState (NotifyInfo);
+        }
+    }
+
+    if (!HandlerObj)
+    {
+        /* There is no per-device notify handler for this device */
+
+        ACPI_DEBUG_PRINT ((ACPI_DB_INFO, 
+            "No notify handler for [%4.4s] node %p\n", Node->Name.Ascii, Node));
+    }
+
+    return (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiEvNotifyDispatch
+ *
+ * PARAMETERS:
+ *
+ * RETURN:      None.
+ *
+ * DESCRIPTION: Dispatch a device notification event to a previously
+ *              installed handler.
+ *
+ ******************************************************************************/
+
+void ACPI_SYSTEM_XFACE
+AcpiEvNotifyDispatch (
+    void                    *Context)
+{
+    ACPI_GENERIC_STATE      *NotifyInfo = (ACPI_GENERIC_STATE *) Context;
+    ACPI_NOTIFY_HANDLER     GlobalHandler = NULL;
+    void                    *GlobalContext = NULL;
+    ACPI_OPERAND_OBJECT     *HandlerObj;
+
+
+    ACPI_FUNCTION_ENTRY ();
+
+
+    /*
+     * We will invoke a global notify handler if installed.
+     * This is done _before_ we invoke the per-device handler attached to the device.
+     */
+    if (NotifyInfo->Notify.Value <= ACPI_MAX_SYS_NOTIFY)
+    {
+        /* Global system notification handler */
+
+        if (AcpiGbl_SysNotify.Handler)
+        {
+            GlobalHandler = AcpiGbl_SysNotify.Handler;
+            GlobalContext = AcpiGbl_SysNotify.Context;
+        }
+    }
+    else
+    {
+        /* Global driver notification handler */
+
+        if (AcpiGbl_DrvNotify.Handler)
+        {
+            GlobalHandler = AcpiGbl_DrvNotify.Handler;
+            GlobalContext = AcpiGbl_DrvNotify.Context;
+        }
+    }
+
+    /* Invoke the system handler first, if present */
+
+    if (GlobalHandler)
+    {
+        GlobalHandler (NotifyInfo->Notify.Node, NotifyInfo->Notify.Value, GlobalContext);
+    }
+
+    /* Now invoke the per-device handler, if present */
+
+    HandlerObj = NotifyInfo->Notify.HandlerObj;
+    if (HandlerObj)
+    {
+        HandlerObj->NotifyHandler.Handler (NotifyInfo->Notify.Node, NotifyInfo->Notify.Value,
+                        HandlerObj->NotifyHandler.Context);
+    }
+
+    /* All done with the info object */
+
+    AcpiUtDeleteGenericState (NotifyInfo);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiEvGlobalLockThread
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Invoked by SCI interrupt handler upon acquisition of the
+ *              Global Lock.  Simply signal all threads that are waiting
+ *              for the lock.
+ *
+ ******************************************************************************/
+
+static void ACPI_SYSTEM_XFACE
+AcpiEvGlobalLockThread (
+    void                    *Context)
+{
+    ACPI_STATUS             Status;
+
+
+    /* Signal threads that are waiting for the lock */
+
+    if (AcpiGbl_GlobalLockThreadCount)
+    {
+        /* Send sufficient units to the semaphore */
+
+        Status = AcpiOsSignalSemaphore (AcpiGbl_GlobalLockSemaphore,
+                                AcpiGbl_GlobalLockThreadCount);
+        if (ACPI_FAILURE (Status))
+        {
+            ACPI_REPORT_ERROR (("Could not signal Global Lock semaphore\n"));
+        }
+    }
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiEvGlobalLockHandler
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Invoked directly from the SCI handler when a global lock
+ *              release interrupt occurs.  Grab the global lock and queue
+ *              the global lock thread for execution
+ *
+ ******************************************************************************/
+
+static UINT32
+AcpiEvGlobalLockHandler (
+    void                    *Context)
+{
+    BOOLEAN                 Acquired = FALSE;
+    ACPI_STATUS             Status;
+
+
+    /*
+     * Attempt to get the lock
+     * If we don't get it now, it will be marked pending and we will
+     * take another interrupt when it becomes free.
+     */
+    ACPI_ACQUIRE_GLOBAL_LOCK (AcpiGbl_CommonFACS.GlobalLock, Acquired);
+    if (Acquired)
+    {
+        /* Got the lock, now wake all threads waiting for it */
+
+        AcpiGbl_GlobalLockAcquired = TRUE;
+
+        /* Run the Global Lock thread which will signal all waiting threads */
+
+        Status = AcpiOsQueueForExecution (OSD_PRIORITY_HIGH,
+                        AcpiEvGlobalLockThread, Context);
+        if (ACPI_FAILURE (Status))
+        {
+            ACPI_REPORT_ERROR (("Could not queue Global Lock thread, %s\n",
+                AcpiFormatException (Status)));
+
+            return (ACPI_INTERRUPT_NOT_HANDLED);
+        }
+    }
+
+    return (ACPI_INTERRUPT_HANDLED);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiEvInitGlobalLockHandler
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Install a handler for the global lock release event
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiEvInitGlobalLockHandler (void)
+{
+    ACPI_STATUS             Status;
+
+
+    ACPI_FUNCTION_TRACE ("EvInitGlobalLockHandler");
+
+
+    AcpiGbl_GlobalLockPresent = TRUE;
+    Status = AcpiInstallFixedEventHandler (ACPI_EVENT_GLOBAL,
+                                            AcpiEvGlobalLockHandler, NULL);
+
+    /*
+     * If the global lock does not exist on this platform, the attempt
+     * to enable GBL_STATUS will fail (the GBL_ENABLE bit will not stick)
+     * Map to AE_OK, but mark global lock as not present.
+     * Any attempt to actually use the global lock will be flagged
+     * with an error.
+     */
+    if (Status == AE_NO_HARDWARE_RESPONSE)
+    {
+        AcpiGbl_GlobalLockPresent = FALSE;
+        Status = AE_OK;
+    }
+
+    return_ACPI_STATUS (Status);
+}
+
+
+/******************************************************************************
+ *
+ * FUNCTION:    AcpiEvAcquireGlobalLock
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Attempt to gain ownership of the Global Lock.
+ *
+ *****************************************************************************/
+
+ACPI_STATUS
+AcpiEvAcquireGlobalLock (
+    UINT16                  Timeout)
+{
+    ACPI_STATUS             Status = AE_OK;
+    BOOLEAN                 Acquired = FALSE;
+
+
+    ACPI_FUNCTION_TRACE ("EvAcquireGlobalLock");
+
+
+#ifndef ACPI_APPLICATION
+    /* Make sure that we actually have a global lock */
+
+    if (!AcpiGbl_GlobalLockPresent)
+    {
+        return_ACPI_STATUS (AE_NO_GLOBAL_LOCK);
+    }
+#endif
+
+    /* One more thread wants the global lock */
+
+    AcpiGbl_GlobalLockThreadCount++;
+
+    /* If we (OS side vs. BIOS side) have the hardware lock already, we are done */
+
+    if (AcpiGbl_GlobalLockAcquired)
+    {
+        return_ACPI_STATUS (AE_OK);
+    }
+
+    /* We must acquire the actual hardware lock */
+
+    ACPI_ACQUIRE_GLOBAL_LOCK (AcpiGbl_CommonFACS.GlobalLock, Acquired);
+    if (Acquired)
+    {
+       /* We got the lock */
+
+        ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Acquired the HW Global Lock\n"));
+
+        AcpiGbl_GlobalLockAcquired = TRUE;
+        return_ACPI_STATUS (AE_OK);
+    }
+
+    /*
+     * Did not get the lock.  The pending bit was set above, and we must now
+     * wait until we get the global lock released interrupt.
+     */
+    ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Waiting for the HW Global Lock\n"));
+
+    /*
+     * Acquire the global lock semaphore first.
+     * Since this wait will block, we must release the interpreter
+     */
+    Status = AcpiExSystemWaitSemaphore (AcpiGbl_GlobalLockSemaphore,
+                                            Timeout);
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiEvReleaseGlobalLock
+ *
+ * DESCRIPTION: Releases ownership of the Global Lock.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiEvReleaseGlobalLock (void)
+{
+    BOOLEAN                 Pending = FALSE;
+    ACPI_STATUS             Status = AE_OK;
+
+
+    ACPI_FUNCTION_TRACE ("EvReleaseGlobalLock");
+
+
+    if (!AcpiGbl_GlobalLockThreadCount)
+    {
+        ACPI_REPORT_WARNING(("Cannot release HW Global Lock, it has not been acquired\n"));
+        return_ACPI_STATUS (AE_NOT_ACQUIRED);
+    }
+
+    /* One fewer thread has the global lock */
+
+    AcpiGbl_GlobalLockThreadCount--;
+    if (AcpiGbl_GlobalLockThreadCount)
+    {
+        /* There are still some threads holding the lock, cannot release */
+
+        return_ACPI_STATUS (AE_OK);
+    }
+
+    /*
+     * No more threads holding lock, we can do the actual hardware
+     * release
+     */
+    ACPI_RELEASE_GLOBAL_LOCK (AcpiGbl_CommonFACS.GlobalLock, Pending);
+    AcpiGbl_GlobalLockAcquired = FALSE;
+
+    /*
+     * If the pending bit was set, we must write GBL_RLS to the control
+     * register
+     */
+    if (Pending)
+    {
+        Status = AcpiSetRegister (ACPI_BITREG_GLOBAL_LOCK_RELEASE, 1, ACPI_MTX_LOCK);
+    }
+
+    return_ACPI_STATUS (Status);
+}
+
+
+/******************************************************************************
+ *
+ * FUNCTION:    AcpiEvTerminate
+ *
+ * PARAMETERS:  none
+ *
+ * RETURN:      none
+ *
+ * DESCRIPTION: Disable events and free memory allocated for table storage.
+ *
+ ******************************************************************************/
+
+void
+AcpiEvTerminate (void)
+{
+    NATIVE_UINT_MAX32       i;
+    ACPI_STATUS             Status;
+
+
+    ACPI_FUNCTION_TRACE ("EvTerminate");
+
+
+    if (AcpiGbl_EventsInitialized)
+    {
+        /*
+         * Disable all event-related functionality.
+         * In all cases, on error, print a message but obviously we don't abort.
+         */
+
+        /*
+         * Disable all fixed events
+         */
+        for (i = 0; i < ACPI_NUM_FIXED_EVENTS; i++)
+        {
+            Status = AcpiDisableEvent(i, ACPI_EVENT_FIXED, 0);
+            if (ACPI_FAILURE (Status))
+            {
+                ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Could not disable fixed event %d\n", i));
+            }
+        }
+
+        /*
+         * Disable all GPEs
+         */
+        for (i = 0; i < AcpiGbl_GpeNumberMax; i++)
+        {
+            if (AcpiEvGetGpeNumberIndex(i) != ACPI_GPE_INVALID)
+            {
+                Status = AcpiHwDisableGpe(i);
+                if (ACPI_FAILURE (Status))
+                {
+                    ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Could not disable GPE %d\n", i));
+                }
+            }
+        }
+
+        /*
+         * Remove SCI handler
+         */
+        Status = AcpiEvRemoveSciHandler();
+        if (ACPI_FAILURE(Status))
+        {
+            ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Could not remove SCI handler\n"));
+        }
+    }
+
+    /*
+     * Return to original mode if necessary
+     */
+    if (AcpiGbl_OriginalMode == ACPI_SYS_MODE_LEGACY)
+    {
+        Status = AcpiDisable ();
+        if (ACPI_FAILURE (Status))
+        {
+            ACPI_DEBUG_PRINT ((ACPI_DB_WARN, "AcpiDisable failed\n"));
+        }
+    }
+
+    /*
+     * Free global tables, etc.
+     */
+    if (AcpiGbl_GpeRegisterInfo)
+    {
+        ACPI_MEM_FREE (AcpiGbl_GpeRegisterInfo);
+        AcpiGbl_GpeRegisterInfo = NULL;
+    }
+
+    if (AcpiGbl_GpeNumberInfo)
+    {
+        ACPI_MEM_FREE (AcpiGbl_GpeNumberInfo);
+        AcpiGbl_GpeNumberInfo = NULL;
+    }
+
+    if (AcpiGbl_GpeNumberToIndex)
+    {
+        ACPI_MEM_FREE (AcpiGbl_GpeNumberToIndex);
+        AcpiGbl_GpeNumberToIndex = NULL;
+    }
+
+    return_VOID;
+}
+
diff --git a/sys/contrib/dev/acpica/evregion.c b/sys/contrib/dev/acpica/evregion.c
new file mode 100644
index 0000000..67ecc9f6
--- /dev/null
+++ b/sys/contrib/dev/acpica/evregion.c
@@ -0,0 +1,829 @@
+/******************************************************************************
+ *
+ * Module Name: evregion - ACPI AddressSpace (OpRegion) handler dispatch
+ *              $Revision: 135 $
+ *
+ *****************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+
+#define __EVREGION_C__
+
+#include "acpi.h"
+#include "acevents.h"
+#include "acnamesp.h"
+#include "acinterp.h"
+
+#define _COMPONENT          ACPI_EVENTS
+        ACPI_MODULE_NAME    ("evregion")
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiEvInitAddressSpaces
+ *
+ * PARAMETERS:
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Installs the core subsystem address space handlers.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiEvInitAddressSpaces (
+    void)
+{
+    ACPI_STATUS             Status;
+
+
+    ACPI_FUNCTION_TRACE ("EvInitAddressSpaces");
+
+
+    /*
+     * All address spaces (PCI Config, EC, SMBus) are scope dependent
+     * and registration must occur for a specific device.  In the case
+     * system memory and IO address spaces there is currently no device
+     * associated with the address space.  For these we use the root.
+     * We install the default PCI config space handler at the root so
+     * that this space is immediately available even though the we have
+     * not enumerated all the PCI Root Buses yet.  This is to conform
+     * to the ACPI specification which states that the PCI config
+     * space must be always available -- even though we are nowhere
+     * near ready to find the PCI root buses at this point.
+     *
+     * NOTE: We ignore AE_ALREADY_EXISTS because this means that a handler
+     * has already been installed (via AcpiInstallAddressSpaceHandler)
+     */
+
+    Status = AcpiInstallAddressSpaceHandler ((ACPI_HANDLE) AcpiGbl_RootNode,
+                                             ACPI_ADR_SPACE_SYSTEM_MEMORY,
+                                             ACPI_DEFAULT_HANDLER, NULL, NULL);
+    if ((ACPI_FAILURE (Status)) &&
+        (Status != AE_ALREADY_EXISTS))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    Status = AcpiInstallAddressSpaceHandler ((ACPI_HANDLE) AcpiGbl_RootNode,
+                                             ACPI_ADR_SPACE_SYSTEM_IO,
+                                             ACPI_DEFAULT_HANDLER, NULL, NULL);
+    if ((ACPI_FAILURE (Status)) &&
+        (Status != AE_ALREADY_EXISTS))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    Status = AcpiInstallAddressSpaceHandler ((ACPI_HANDLE) AcpiGbl_RootNode,
+                                             ACPI_ADR_SPACE_PCI_CONFIG,
+                                             ACPI_DEFAULT_HANDLER, NULL, NULL);
+    if ((ACPI_FAILURE (Status)) &&
+        (Status != AE_ALREADY_EXISTS))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    Status = AcpiInstallAddressSpaceHandler ((ACPI_HANDLE) AcpiGbl_RootNode,
+                                             ACPI_ADR_SPACE_DATA_TABLE,
+                                             ACPI_DEFAULT_HANDLER, NULL, NULL);
+    if ((ACPI_FAILURE (Status)) &&
+        (Status != AE_ALREADY_EXISTS))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    return_ACPI_STATUS (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiEvExecuteRegMethod
+ *
+ * PARAMETERS:  RegionObj           - Object structure
+ *              Function            - On (1) or Off (0)
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Execute _REG method for a region
+ *
+ ******************************************************************************/
+
+static ACPI_STATUS
+AcpiEvExecuteRegMethod (
+    ACPI_OPERAND_OBJECT    *RegionObj,
+    UINT32                  Function)
+{
+    ACPI_OPERAND_OBJECT    *Params[3];
+    ACPI_OPERAND_OBJECT    *RegionObj2;
+    ACPI_STATUS             Status;
+
+
+    ACPI_FUNCTION_TRACE ("EvExecuteRegMethod");
+
+
+    RegionObj2 = AcpiNsGetSecondaryObject (RegionObj);
+    if (!RegionObj2)
+    {
+        return_ACPI_STATUS (AE_NOT_EXIST);
+    }
+
+    if (RegionObj2->Extra.Method_REG == NULL)
+    {
+        return_ACPI_STATUS (AE_OK);
+    }
+
+    /*
+     *  _REG method has two arguments
+     *  Arg0:   Integer: Operation region space ID
+     *          Same value as RegionObj->Region.SpaceId
+     *  Arg1:   Integer: connection status
+     *          1 for connecting the handler,
+     *          0 for disconnecting the handler
+     *          Passed as a parameter
+     */
+    Params[0] = AcpiUtCreateInternalObject (ACPI_TYPE_INTEGER);
+    if (!Params[0])
+    {
+        return_ACPI_STATUS (AE_NO_MEMORY);
+    }
+
+    Params[1] = AcpiUtCreateInternalObject (ACPI_TYPE_INTEGER);
+    if (!Params[1])
+    {
+        Status = AE_NO_MEMORY;
+        goto Cleanup;
+    }
+
+    /*
+     *  Set up the parameter objects
+     */
+    Params[0]->Integer.Value = RegionObj->Region.SpaceId;
+    Params[1]->Integer.Value = Function;
+    Params[2] = NULL;
+
+    /*
+     *  Execute the method, no return value
+     */
+    ACPI_DEBUG_EXEC(AcpiUtDisplayInitPathname (RegionObj2->Extra.Method_REG, "  [Method]"));
+    Status = AcpiNsEvaluateByHandle (RegionObj2->Extra.Method_REG, Params, NULL);
+
+    AcpiUtRemoveReference (Params[1]);
+
+Cleanup:
+    AcpiUtRemoveReference (Params[0]);
+
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiEvAddressSpaceDispatch
+ *
+ * PARAMETERS:  RegionObj           - internal region object
+ *              SpaceId             - ID of the address space (0-255)
+ *              Function            - Read or Write operation
+ *              Address             - Where in the space to read or write
+ *              BitWidth            - Field width in bits (8, 16, 32, or 64)
+ *              Value               - Pointer to in or out value
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Dispatch an address space or operation region access to
+ *              a previously installed handler.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiEvAddressSpaceDispatch (
+    ACPI_OPERAND_OBJECT     *RegionObj,
+    UINT32                  Function,
+    ACPI_PHYSICAL_ADDRESS   Address,
+    UINT32                  BitWidth,
+    void                    *Value)
+{
+    ACPI_STATUS             Status;
+    ACPI_STATUS             Status2;
+    ACPI_ADR_SPACE_HANDLER  Handler;
+    ACPI_ADR_SPACE_SETUP    RegionSetup;
+    ACPI_OPERAND_OBJECT     *HandlerDesc;
+    ACPI_OPERAND_OBJECT     *RegionObj2;
+    void                    *RegionContext = NULL;
+
+
+    ACPI_FUNCTION_TRACE ("EvAddressSpaceDispatch");
+
+
+    RegionObj2 = AcpiNsGetSecondaryObject (RegionObj);
+    if (!RegionObj2)
+    {
+        return_ACPI_STATUS (AE_NOT_EXIST);
+    }
+
+    /*
+     * Ensure that there is a handler associated with this region
+     */
+    HandlerDesc = RegionObj->Region.AddrHandler;
+    if (!HandlerDesc)
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "no handler for region(%p) [%s]\n",
+            RegionObj, AcpiUtGetRegionName (RegionObj->Region.SpaceId)));
+
+        return_ACPI_STATUS (AE_NOT_EXIST);
+    }
+
+    /*
+     * It may be the case that the region has never been initialized
+     * Some types of regions require special init code
+     */
+    if (!(RegionObj->Region.Flags & AOPOBJ_SETUP_COMPLETE))
+    {
+        /*
+         * This region has not been initialized yet, do it
+         */
+        RegionSetup = HandlerDesc->AddrHandler.Setup;
+        if (!RegionSetup)
+        {
+            /*
+             *  Bad news, no init routine and not init'd
+             */
+            ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "No init routine for region(%p) [%s]\n",
+                RegionObj, AcpiUtGetRegionName (RegionObj->Region.SpaceId)));
+            return_ACPI_STATUS (AE_UNKNOWN_STATUS);
+        }
+
+        /*
+         * We must exit the interpreter because the region setup will potentially
+         * execute control methods
+         */
+        AcpiExExitInterpreter ();
+
+        Status = RegionSetup (RegionObj, ACPI_REGION_ACTIVATE,
+                        HandlerDesc->AddrHandler.Context, &RegionContext);
+
+        /* Re-enter the interpreter */
+
+        Status2 = AcpiExEnterInterpreter ();
+        if (ACPI_FAILURE (Status2))
+        {
+            return_ACPI_STATUS (Status2);
+        }
+
+        /*
+         *  Init routine may fail
+         */
+        if (ACPI_FAILURE (Status))
+        {
+            ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Region Init: %s [%s]\n",
+                AcpiFormatException (Status),
+                AcpiUtGetRegionName (RegionObj->Region.SpaceId)));
+            return_ACPI_STATUS (Status);
+        }
+
+        RegionObj->Region.Flags |= AOPOBJ_SETUP_COMPLETE;
+
+        /*
+         *  Save the returned context for use in all accesses to
+         *  this particular region.
+         */
+        RegionObj2->Extra.RegionContext = RegionContext;
+    }
+
+    /*
+     *  We have everything we need, begin the process
+     */
+    Handler = HandlerDesc->AddrHandler.Handler;
+
+    ACPI_DEBUG_PRINT ((ACPI_DB_OPREGION,
+        "Addrhandler %p (%p), Address %8.8X%8.8X\n",
+        &RegionObj->Region.AddrHandler->AddrHandler, Handler,
+        ACPI_HIDWORD (Address), ACPI_LODWORD (Address)));
+
+    if (!(HandlerDesc->AddrHandler.Flags & ACPI_ADDR_HANDLER_DEFAULT_INSTALLED))
+    {
+        /*
+         *  For handlers other than the default (supplied) handlers, we must
+         *  exit the interpreter because the handler *might* block -- we don't
+         *  know what it will do, so we can't hold the lock on the intepreter.
+         */
+        AcpiExExitInterpreter();
+    }
+
+    /*
+     *  Invoke the handler.
+     */
+    Status = Handler (Function, Address, BitWidth, Value,
+                      HandlerDesc->AddrHandler.Context,
+                      RegionObj2->Extra.RegionContext);
+
+    if (ACPI_FAILURE (Status))
+    {
+        ACPI_REPORT_ERROR (("Handler for [%s] returned %s\n",
+            AcpiUtGetRegionName (RegionObj->Region.SpaceId),
+            AcpiFormatException (Status)));
+    }
+
+    if (!(HandlerDesc->AddrHandler.Flags & ACPI_ADDR_HANDLER_DEFAULT_INSTALLED))
+    {
+        /*
+         * We just returned from a non-default handler, we must re-enter the
+         * interpreter
+         */
+        Status2 = AcpiExEnterInterpreter ();
+        if (ACPI_FAILURE (Status2))
+        {
+            return_ACPI_STATUS (Status2);
+        }
+    }
+
+    return_ACPI_STATUS (Status);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiEvDetachRegion
+ *
+ * PARAMETERS:  RegionObj       - Region Object
+ *              AcpiNsIsLocked  - Namespace Region Already Locked?
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Break the association between the handler and the region
+ *              this is a two way association.
+ *
+ ******************************************************************************/
+
+void
+AcpiEvDetachRegion(
+    ACPI_OPERAND_OBJECT     *RegionObj,
+    BOOLEAN                 AcpiNsIsLocked)
+{
+    ACPI_OPERAND_OBJECT     *HandlerObj;
+    ACPI_OPERAND_OBJECT     *ObjDesc;
+    ACPI_OPERAND_OBJECT     **LastObjPtr;
+    ACPI_ADR_SPACE_SETUP    RegionSetup;
+    void                    *RegionContext;
+    ACPI_OPERAND_OBJECT     *RegionObj2;
+    ACPI_STATUS             Status;
+
+
+    ACPI_FUNCTION_TRACE ("EvDetachRegion");
+
+
+    RegionObj2 = AcpiNsGetSecondaryObject (RegionObj);
+    if (!RegionObj2)
+    {
+        return_VOID;
+    }
+    RegionContext = RegionObj2->Extra.RegionContext;
+
+    /*
+     *  Get the address handler from the region object
+     */
+    HandlerObj = RegionObj->Region.AddrHandler;
+    if (!HandlerObj)
+    {
+        /*
+         *  This region has no handler, all done
+         */
+        return_VOID;
+    }
+
+
+    /*
+     *  Find this region in the handler's list
+     */
+    ObjDesc = HandlerObj->AddrHandler.RegionList;
+    LastObjPtr = &HandlerObj->AddrHandler.RegionList;
+
+    while (ObjDesc)
+    {
+        /*
+         *  See if this is the one
+         */
+        if (ObjDesc == RegionObj)
+        {
+            ACPI_DEBUG_PRINT ((ACPI_DB_OPREGION,
+                "Removing Region %p from address handler %p\n",
+                RegionObj, HandlerObj));
+            /*
+             *  This is it, remove it from the handler's list
+             */
+            *LastObjPtr = ObjDesc->Region.Next;
+            ObjDesc->Region.Next = NULL;            /* Must clear field */
+
+            if (AcpiNsIsLocked)
+            {
+                Status = AcpiUtReleaseMutex (ACPI_MTX_NAMESPACE);
+                if (ACPI_FAILURE (Status))
+                {
+                    return_VOID;
+                }
+            }
+
+            /*
+             *  Now stop region accesses by executing the _REG method
+             */
+            Status = AcpiEvExecuteRegMethod (RegionObj, 0);
+            if (ACPI_FAILURE (Status))
+            {
+                ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "%s from region _REG, [%s]\n",
+                    AcpiFormatException (Status),
+                    AcpiUtGetRegionName (RegionObj->Region.SpaceId)));
+            }
+
+            if (AcpiNsIsLocked)
+            {
+                Status = AcpiUtAcquireMutex (ACPI_MTX_NAMESPACE);
+                if (ACPI_FAILURE (Status))
+                {
+                    return_VOID;
+                }
+            }
+
+            /*
+             *  Call the setup handler with the deactivate notification
+             */
+            RegionSetup = HandlerObj->AddrHandler.Setup;
+            Status = RegionSetup (RegionObj, ACPI_REGION_DEACTIVATE,
+                            HandlerObj->AddrHandler.Context, &RegionContext);
+
+            /*
+             *  Init routine may fail, Just ignore errors
+             */
+            if (ACPI_FAILURE (Status))
+            {
+                ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "%s from region init, [%s]\n",
+                    AcpiFormatException (Status),
+                    AcpiUtGetRegionName (RegionObj->Region.SpaceId)));
+            }
+
+            RegionObj->Region.Flags &= ~(AOPOBJ_SETUP_COMPLETE);
+
+            /*
+             *  Remove handler reference in the region
+             *
+             *  NOTE: this doesn't mean that the region goes away
+             *  The region is just inaccessible as indicated to
+             *  the _REG method
+             *
+             *  If the region is on the handler's list
+             *  this better be the region's handler
+             */
+            RegionObj->Region.AddrHandler = NULL;
+
+            return_VOID;
+
+        } /* found the right handler */
+
+        /*
+         *  Move through the linked list of handlers
+         */
+        LastObjPtr = &ObjDesc->Region.Next;
+        ObjDesc = ObjDesc->Region.Next;
+    }
+
+    /*
+     *  If we get here, the region was not in the handler's region list
+     */
+    ACPI_DEBUG_PRINT ((ACPI_DB_OPREGION,
+        "Cannot remove region %p from address handler %p\n",
+        RegionObj, HandlerObj));
+
+    return_VOID;
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiEvAttachRegion
+ *
+ * PARAMETERS:  HandlerObj      - Handler Object
+ *              RegionObj       - Region Object
+ *              AcpiNsIsLocked  - Namespace Region Already Locked?
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Create the association between the handler and the region
+ *              this is a two way association.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiEvAttachRegion (
+    ACPI_OPERAND_OBJECT     *HandlerObj,
+    ACPI_OPERAND_OBJECT     *RegionObj,
+    BOOLEAN                 AcpiNsIsLocked)
+{
+    ACPI_STATUS             Status;
+    ACPI_STATUS             Status2;
+
+
+    ACPI_FUNCTION_TRACE ("EvAttachRegion");
+
+
+    ACPI_DEBUG_PRINT ((ACPI_DB_OPREGION,
+        "Adding Region %p to address handler %p [%s]\n",
+        RegionObj, HandlerObj, AcpiUtGetRegionName (RegionObj->Region.SpaceId)));
+
+
+    /*
+     * Link this region to the front of the handler's list
+     */
+    RegionObj->Region.Next = HandlerObj->AddrHandler.RegionList;
+    HandlerObj->AddrHandler.RegionList = RegionObj;
+
+    /*
+     * Set the region's handler
+     */
+    RegionObj->Region.AddrHandler = HandlerObj;
+
+    /*
+     * Tell all users that this region is usable by running the _REG
+     * method
+     */
+    if (AcpiNsIsLocked)
+    {
+        Status2 = AcpiUtReleaseMutex (ACPI_MTX_NAMESPACE);
+        if (ACPI_FAILURE (Status2))
+        {
+            return_ACPI_STATUS (Status2);
+        }
+    }
+
+    Status = AcpiEvExecuteRegMethod (RegionObj, 1);
+
+    if (AcpiNsIsLocked)
+    {
+        Status2 = AcpiUtAcquireMutex (ACPI_MTX_NAMESPACE);
+        if (ACPI_FAILURE (Status2))
+        {
+            return_ACPI_STATUS (Status2);
+        }
+    }
+
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiEvAddrHandlerHelper
+ *
+ * PARAMETERS:  Handle              - Node to be dumped
+ *              Level               - Nesting level of the handle
+ *              Context             - Passed into AcpiNsWalkNamespace
+ *
+ * DESCRIPTION: This routine installs an address handler into objects that are
+ *              of type Region.
+ *
+ *              If the Object is a Device, and the device has a handler of
+ *              the same type then the search is terminated in that branch.
+ *
+ *              This is because the existing handler is closer in proximity
+ *              to any more regions than the one we are trying to install.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiEvAddrHandlerHelper (
+    ACPI_HANDLE             ObjHandle,
+    UINT32                  Level,
+    void                    *Context,
+    void                    **ReturnValue)
+{
+    ACPI_OPERAND_OBJECT     *HandlerObj;
+    ACPI_OPERAND_OBJECT     *TmpObj;
+    ACPI_OPERAND_OBJECT     *ObjDesc;
+    ACPI_NAMESPACE_NODE     *Node;
+    ACPI_STATUS             Status;
+
+
+    ACPI_FUNCTION_NAME ("EvAddrHandlerHelper");
+
+
+    HandlerObj = (ACPI_OPERAND_OBJECT  *) Context;
+
+    /* Parameter validation */
+
+    if (!HandlerObj)
+    {
+        return (AE_OK);
+    }
+
+    /* Convert and validate the device handle */
+
+    Node = AcpiNsMapHandleToNode (ObjHandle);
+    if (!Node)
+    {
+        return (AE_BAD_PARAMETER);
+    }
+
+    /*
+     *  We only care about regions.and objects
+     *  that can have address handlers
+     */
+    if ((Node->Type != ACPI_TYPE_DEVICE) &&
+        (Node->Type != ACPI_TYPE_REGION) &&
+        (Node != AcpiGbl_RootNode))
+    {
+        return (AE_OK);
+    }
+
+    /* Check for an existing internal object */
+
+    ObjDesc = AcpiNsGetAttachedObject (Node);
+    if (!ObjDesc)
+    {
+        /*
+         *  The object DNE, we don't care about it
+         */
+        return (AE_OK);
+    }
+
+    /*
+     *  Devices are handled different than regions
+     */
+    if (ACPI_GET_OBJECT_TYPE (ObjDesc) == ACPI_TYPE_DEVICE)
+    {
+        /*
+         *  See if this guy has any handlers
+         */
+        TmpObj = ObjDesc->Device.AddrHandler;
+        while (TmpObj)
+        {
+            /*
+             *  Now let's see if it's for the same address space.
+             */
+            if (TmpObj->AddrHandler.SpaceId == HandlerObj->AddrHandler.SpaceId)
+            {
+                /*
+                 *  It's for the same address space
+                 */
+                ACPI_DEBUG_PRINT ((ACPI_DB_OPREGION,
+                    "Found handler for region [%s] in device %p(%p) handler %p\n",
+                    AcpiUtGetRegionName (HandlerObj->AddrHandler.SpaceId),
+                    ObjDesc, TmpObj, HandlerObj));
+
+                /*
+                 *  Since the object we found it on was a device, then it
+                 *  means that someone has already installed a handler for
+                 *  the branch of the namespace from this device on.  Just
+                 *  bail out telling the walk routine to not traverse this
+                 *  branch.  This preserves the scoping rule for handlers.
+                 */
+                return (AE_CTRL_DEPTH);
+            }
+
+            /*
+             *  Move through the linked list of handlers
+             */
+            TmpObj = TmpObj->AddrHandler.Next;
+        }
+
+        /*
+         *  As long as the device didn't have a handler for this
+         *  space we don't care about it.  We just ignore it and
+         *  proceed.
+         */
+        return (AE_OK);
+    }
+
+    /*
+     *  Only here if it was a region
+     */
+    if (ObjDesc->Region.SpaceId != HandlerObj->AddrHandler.SpaceId)
+    {
+        /*
+         *  This region is for a different address space
+         *  ignore it
+         */
+        return (AE_OK);
+    }
+
+    /*
+     *  Now we have a region and it is for the handler's address
+     *  space type.
+     *
+     *  First disconnect region for any previous handler (if any)
+     */
+    AcpiEvDetachRegion (ObjDesc, FALSE);
+
+    /*
+     *  Then connect the region to the new handler
+     */
+    Status = AcpiEvAttachRegion (HandlerObj, ObjDesc, FALSE);
+
+    return (Status);
+}
+
+
diff --git a/sys/contrib/dev/acpica/evrgnini.c b/sys/contrib/dev/acpica/evrgnini.c
new file mode 100644
index 0000000..b9566d7
--- /dev/null
+++ b/sys/contrib/dev/acpica/evrgnini.c
@@ -0,0 +1,645 @@
+/******************************************************************************
+ *
+ * Module Name: evrgnini- ACPI AddressSpace (OpRegion) init
+ *              $Revision: 63 $
+ *
+ *****************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+
+#define __EVRGNINI_C__
+
+#include "acpi.h"
+#include "acevents.h"
+#include "acnamesp.h"
+
+#define _COMPONENT          ACPI_EVENTS
+        ACPI_MODULE_NAME    ("evrgnini")
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiEvSystemMemoryRegionSetup
+ *
+ * PARAMETERS:  RegionObj           - Region we are interested in
+ *              Function            - Start or stop
+ *              HandlerContext      - Address space handler context
+ *              RegionContext       - Region specific context
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Do any prep work for region handling, a nop for now
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiEvSystemMemoryRegionSetup (
+    ACPI_HANDLE             Handle,
+    UINT32                  Function,
+    void                    *HandlerContext,
+    void                    **RegionContext)
+{
+    ACPI_OPERAND_OBJECT     *RegionDesc = (ACPI_OPERAND_OBJECT *) Handle;
+    ACPI_MEM_SPACE_CONTEXT  *LocalRegionContext;
+
+
+    ACPI_FUNCTION_TRACE ("EvSystemMemoryRegionSetup");
+
+
+    if (Function == ACPI_REGION_DEACTIVATE)
+    {
+        if (*RegionContext)
+        {
+            ACPI_MEM_FREE (*RegionContext);
+            *RegionContext = NULL;
+        }
+        return_ACPI_STATUS (AE_OK);
+    }
+
+    /* Create a new context */
+
+    LocalRegionContext = ACPI_MEM_CALLOCATE (sizeof (ACPI_MEM_SPACE_CONTEXT));
+    if (!(LocalRegionContext))
+    {
+        return_ACPI_STATUS (AE_NO_MEMORY);
+    }
+
+    /* Save the region length and address for use in the handler */
+
+    LocalRegionContext->Length  = RegionDesc->Region.Length;
+    LocalRegionContext->Address = RegionDesc->Region.Address;
+
+    *RegionContext = LocalRegionContext;
+    return_ACPI_STATUS (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiEvIoSpaceRegionSetup
+ *
+ * PARAMETERS:  RegionObj           - Region we are interested in
+ *              Function            - Start or stop
+ *              HandlerContext      - Address space handler context
+ *              RegionContext       - Region specific context
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Do any prep work for region handling
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiEvIoSpaceRegionSetup (
+    ACPI_HANDLE             Handle,
+    UINT32                  Function,
+    void                    *HandlerContext,
+    void                    **RegionContext)
+{
+    ACPI_FUNCTION_TRACE ("EvIoSpaceRegionSetup");
+
+
+    if (Function == ACPI_REGION_DEACTIVATE)
+    {
+        *RegionContext = NULL;
+    }
+    else
+    {
+        *RegionContext = HandlerContext;
+    }
+
+    return_ACPI_STATUS (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiEvPciConfigRegionSetup
+ *
+ * PARAMETERS:  RegionObj           - Region we are interested in
+ *              Function            - Start or stop
+ *              HandlerContext      - Address space handler context
+ *              RegionContext       - Region specific context
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Do any prep work for region handling
+ *
+ * MUTEX:       Assumes namespace is not locked
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiEvPciConfigRegionSetup (
+    ACPI_HANDLE             Handle,
+    UINT32                  Function,
+    void                    *HandlerContext,
+    void                    **RegionContext)
+{
+    ACPI_STATUS             Status = AE_OK;
+    ACPI_INTEGER            Temp;
+    ACPI_PCI_ID             *PciId = *RegionContext;
+    ACPI_OPERAND_OBJECT     *HandlerObj;
+    ACPI_NAMESPACE_NODE     *Node;
+    ACPI_OPERAND_OBJECT     *RegionObj = (ACPI_OPERAND_OBJECT  *) Handle;
+    ACPI_DEVICE_ID          ObjectHID;
+
+
+    ACPI_FUNCTION_TRACE ("EvPciConfigRegionSetup");
+
+
+    HandlerObj = RegionObj->Region.AddrHandler;
+    if (!HandlerObj)
+    {
+        /*
+         * No installed handler. This shouldn't happen because the dispatch
+         * routine checks before we get here, but we check again just in case.
+         */
+        ACPI_DEBUG_PRINT ((ACPI_DB_OPREGION,
+            "Attempting to init a region %p, with no handler\n", RegionObj));
+        return_ACPI_STATUS (AE_NOT_EXIST);
+    }
+
+    if (Function == ACPI_REGION_DEACTIVATE)
+    {
+        if (PciId)
+        {
+            ACPI_MEM_FREE (PciId);
+            *RegionContext = NULL;
+        }
+
+        return_ACPI_STATUS (Status);
+    }
+
+    /* Create a new context */
+
+    PciId = ACPI_MEM_CALLOCATE (sizeof (ACPI_PCI_ID));
+    if (!PciId)
+    {
+        return_ACPI_STATUS (AE_NO_MEMORY);
+    }
+
+    /*
+     * For PCI Config space access, we have to pass the segment, bus,
+     * device and function numbers.  This routine must acquire those.
+     */
+
+    /*
+     * First get device and function numbers from the _ADR object
+     * in the parent's scope.
+     */
+    Node = AcpiNsGetParentNode (RegionObj->Region.Node);
+
+    /* Evaluate the _ADR object */
+
+    Status = AcpiUtEvaluateNumericObject (METHOD_NAME__ADR, Node, &Temp);
+
+    /*
+     * The default is zero, and since the allocation above zeroed
+     * the data, just do nothing on failure.
+     */
+    if (ACPI_SUCCESS (Status))
+    {
+        PciId->Device   = ACPI_HIWORD (ACPI_LODWORD (Temp));
+        PciId->Function = ACPI_LOWORD (ACPI_LODWORD (Temp));
+    }
+
+    /*
+     * Get the _SEG and _BBN values from the device upon which the handler
+     * is installed.
+     *
+     * We need to get the _SEG and _BBN objects relative to the PCI BUS device.
+     * This is the device the handler has been registered to handle.
+     */
+
+    /*
+     * If the AddrHandler.Node is still pointing to the root, we need
+     * to scan upward for a PCI Root bridge and re-associate the OpRegion
+     * handlers with that device.
+     */
+    if (HandlerObj->AddrHandler.Node == AcpiGbl_RootNode)
+    {
+        /*
+         * Node is currently the parent object
+         */
+        while (Node != AcpiGbl_RootNode)
+        {
+            Status = AcpiUtExecute_HID (Node, &ObjectHID);
+            if (ACPI_SUCCESS (Status))
+            {
+                /* Got a valid _HID, check if this is a PCI root */
+
+                if (!(ACPI_STRNCMP (ObjectHID.Buffer, PCI_ROOT_HID_STRING,
+                                    sizeof (PCI_ROOT_HID_STRING))))
+                {
+                    /* Install a handler for this PCI root bridge */
+
+                    Status = AcpiInstallAddressSpaceHandler ((ACPI_HANDLE) Node,
+                                        ACPI_ADR_SPACE_PCI_CONFIG,
+                                        ACPI_DEFAULT_HANDLER, NULL, NULL);
+                    if (ACPI_FAILURE (Status))
+                    {
+                        ACPI_REPORT_ERROR (("Could not install PciConfig handler for %4.4s, %s\n",
+                            Node->Name.Ascii, AcpiFormatException (Status)));
+                    }
+                    break;
+                }
+            }
+
+            Node = AcpiNsGetParentNode (Node);
+        }
+    }
+    else
+    {
+        Node = HandlerObj->AddrHandler.Node;
+    }
+
+    /*
+     * The PCI segment number comes from the _SEG method
+     */
+    Status = AcpiUtEvaluateNumericObject (METHOD_NAME__SEG, Node, &Temp);
+    if (ACPI_SUCCESS (Status))
+    {
+        PciId->Segment = ACPI_LOWORD (Temp);
+    }
+
+    /*
+     * The PCI bus number comes from the _BBN method
+     */
+    Status = AcpiUtEvaluateNumericObject (METHOD_NAME__BBN, Node, &Temp);
+    if (ACPI_SUCCESS (Status))
+    {
+        PciId->Bus = ACPI_LOWORD (Temp);
+    }
+
+    *RegionContext = PciId;
+    return_ACPI_STATUS (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiEvPciBarRegionSetup
+ *
+ * PARAMETERS:  RegionObj           - Region we are interested in
+ *              Function            - Start or stop
+ *              HandlerContext      - Address space handler context
+ *              RegionContext       - Region specific context
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Do any prep work for region handling
+ *
+ * MUTEX:       Assumes namespace is not locked
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiEvPciBarRegionSetup (
+    ACPI_HANDLE             Handle,
+    UINT32                  Function,
+    void                    *HandlerContext,
+    void                    **RegionContext)
+{
+    ACPI_FUNCTION_TRACE ("EvPciBarRegionSetup");
+
+
+    return_ACPI_STATUS (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiEvCmosRegionSetup
+ *
+ * PARAMETERS:  RegionObj           - Region we are interested in
+ *              Function            - Start or stop
+ *              HandlerContext      - Address space handler context
+ *              RegionContext       - Region specific context
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Do any prep work for region handling
+ *
+ * MUTEX:       Assumes namespace is not locked
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiEvCmosRegionSetup (
+    ACPI_HANDLE             Handle,
+    UINT32                  Function,
+    void                    *HandlerContext,
+    void                    **RegionContext)
+{
+    ACPI_FUNCTION_TRACE ("EvCmosRegionSetup");
+
+
+    return_ACPI_STATUS (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiEvDefaultRegionSetup
+ *
+ * PARAMETERS:  RegionObj           - Region we are interested in
+ *              Function            - Start or stop
+ *              HandlerContext      - Address space handler context
+ *              RegionContext       - Region specific context
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Do any prep work for region handling
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiEvDefaultRegionSetup (
+    ACPI_HANDLE             Handle,
+    UINT32                  Function,
+    void                    *HandlerContext,
+    void                    **RegionContext)
+{
+    ACPI_FUNCTION_TRACE ("EvDefaultRegionSetup");
+
+
+    if (Function == ACPI_REGION_DEACTIVATE)
+    {
+        *RegionContext = NULL;
+    }
+    else
+    {
+        *RegionContext = HandlerContext;
+    }
+
+    return_ACPI_STATUS (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiEvInitializeRegion
+ *
+ * PARAMETERS:  RegionObj       - Region we are initializing
+ *              AcpiNsLocked    - Is namespace locked?
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Initializes the region, finds any _REG methods and saves them
+ *              for execution at a later time
+ *
+ *              Get the appropriate address space handler for a newly
+ *              created region.
+ *
+ *              This also performs address space specific intialization.  For
+ *              example, PCI regions must have an _ADR object that contains
+ *              a PCI address in the scope of the definition.  This address is
+ *              required to perform an access to PCI config space.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiEvInitializeRegion (
+    ACPI_OPERAND_OBJECT     *RegionObj,
+    BOOLEAN                 AcpiNsLocked)
+{
+    ACPI_OPERAND_OBJECT     *HandlerObj;
+    ACPI_OPERAND_OBJECT     *ObjDesc;
+    ACPI_ADR_SPACE_TYPE     SpaceId;
+    ACPI_NAMESPACE_NODE     *Node;
+    ACPI_STATUS             Status;
+    ACPI_NAMESPACE_NODE     *MethodNode;
+    ACPI_NAME               *RegNamePtr = (ACPI_NAME *) METHOD_NAME__REG;
+    ACPI_OPERAND_OBJECT     *RegionObj2;
+
+
+    ACPI_FUNCTION_TRACE_U32 ("EvInitializeRegion", AcpiNsLocked);
+
+
+    if (!RegionObj)
+    {
+        return_ACPI_STATUS (AE_BAD_PARAMETER);
+    }
+
+    if (RegionObj->Common.Flags & AOPOBJ_OBJECT_INITIALIZED)
+    {
+        return_ACPI_STATUS (AE_OK);
+    }
+
+    RegionObj2 = AcpiNsGetSecondaryObject (RegionObj);
+    if (!RegionObj2)
+    {
+        return_ACPI_STATUS (AE_NOT_EXIST);
+    }
+
+    Node = AcpiNsGetParentNode (RegionObj->Region.Node);
+    SpaceId = RegionObj->Region.SpaceId;
+
+    RegionObj->Region.AddrHandler = NULL;
+    RegionObj2->Extra.Method_REG = NULL;
+    RegionObj->Common.Flags &= ~(AOPOBJ_SETUP_COMPLETE);
+    RegionObj->Common.Flags |= AOPOBJ_OBJECT_INITIALIZED;
+
+    /*
+     * Find any "_REG" method associated with this region definition
+     */
+    Status = AcpiNsSearchNode (*RegNamePtr, Node,
+                                   ACPI_TYPE_METHOD, &MethodNode);
+    if (ACPI_SUCCESS (Status))
+    {
+        /*
+         * The _REG method is optional and there can be only one per region
+         * definition.  This will be executed when the handler is attached
+         * or removed
+         */
+        RegionObj2->Extra.Method_REG = MethodNode;
+    }
+
+    /*
+     * The following loop depends upon the root Node having no parent
+     * ie: AcpiGbl_RootNode->ParentEntry being set to NULL
+     */
+    while (Node)
+    {
+        /*
+         * Check to see if a handler exists
+         */
+        HandlerObj = NULL;
+        ObjDesc = AcpiNsGetAttachedObject (Node);
+        if (ObjDesc)
+        {
+            /*
+             * Can only be a handler if the object exists
+             */
+            switch (Node->Type)
+            {
+            case ACPI_TYPE_DEVICE:
+
+                HandlerObj = ObjDesc->Device.AddrHandler;
+                break;
+
+            case ACPI_TYPE_PROCESSOR:
+
+                HandlerObj = ObjDesc->Processor.AddrHandler;
+                break;
+
+            case ACPI_TYPE_THERMAL:
+
+                HandlerObj = ObjDesc->ThermalZone.AddrHandler;
+                break;
+
+            default:
+                /* Ignore other objects */
+                break;
+            }
+
+            while (HandlerObj)
+            {
+                /* Is this handler of the correct type? */
+
+                if (HandlerObj->AddrHandler.SpaceId == SpaceId)
+                {
+                    /* Found correct handler */
+
+                    ACPI_DEBUG_PRINT ((ACPI_DB_OPREGION,
+                        "Found handler %p for region %p in obj %p\n",
+                        HandlerObj, RegionObj, ObjDesc));
+
+                    Status = AcpiEvAttachRegion (HandlerObj, RegionObj,
+                                AcpiNsLocked);
+
+                    return_ACPI_STATUS (AE_OK);
+                }
+
+                /* Try next handler in the list */
+
+                HandlerObj = HandlerObj->AddrHandler.Next;
+            }
+        }
+
+        /*
+         * This node does not have the handler we need;
+         * Pop up one level
+         */
+        Node = AcpiNsGetParentNode (Node);
+    }
+
+    /*
+     * If we get here, there is no handler for this region
+     */
+    ACPI_DEBUG_PRINT ((ACPI_DB_OPREGION,
+        "No handler for RegionType %s(%X) (RegionObj %p)\n",
+        AcpiUtGetRegionName (SpaceId), SpaceId, RegionObj));
+
+    return_ACPI_STATUS (AE_NOT_EXIST);
+}
+
diff --git a/sys/contrib/dev/acpica/evsci.c b/sys/contrib/dev/acpica/evsci.c
new file mode 100644
index 0000000..573ca07
--- /dev/null
+++ b/sys/contrib/dev/acpica/evsci.c
@@ -0,0 +1,251 @@
+/*******************************************************************************
+ *
+ * Module Name: evsci - System Control Interrupt configuration and
+ *                      legacy to ACPI mode state transition functions
+ *              $Revision: 86 $
+ *
+ ******************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+#include "acpi.h"
+#include "acevents.h"
+
+
+#define _COMPONENT          ACPI_EVENTS
+        ACPI_MODULE_NAME    ("evsci")
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiEvSciHandler
+ *
+ * PARAMETERS:  Context   - Calling Context
+ *
+ * RETURN:      Status code indicates whether interrupt was handled.
+ *
+ * DESCRIPTION: Interrupt handler that will figure out what function or
+ *              control method to call to deal with a SCI.  Installed
+ *              using BU interrupt support.
+ *
+ ******************************************************************************/
+
+static UINT32 ACPI_SYSTEM_XFACE
+AcpiEvSciHandler (
+    void                    *Context)
+{
+    UINT32                  InterruptHandled = ACPI_INTERRUPT_NOT_HANDLED;
+    UINT32                  Value;
+    ACPI_STATUS             Status;
+
+
+    ACPI_FUNCTION_TRACE("EvSciHandler");
+
+
+    /*
+     * Make sure that ACPI is enabled by checking SCI_EN.  Note that we are
+     * required to treat the SCI interrupt as sharable, level, active low.
+     */
+    Status = AcpiGetRegister (ACPI_BITREG_SCI_ENABLE, &Value, ACPI_MTX_DO_NOT_LOCK);
+    if (ACPI_FAILURE (Status))
+    {
+        return (ACPI_INTERRUPT_NOT_HANDLED);
+    }
+
+    if (!Value)
+    {
+        /* ACPI is not enabled;  this interrupt cannot be for us */
+
+        return_VALUE (ACPI_INTERRUPT_NOT_HANDLED);
+    }
+
+    /*
+     * Fixed AcpiEvents:
+     * -------------
+     * Check for and dispatch any Fixed AcpiEvents that have occurred
+     */
+    InterruptHandled |= AcpiEvFixedEventDetect ();
+
+    /*
+     * GPEs:
+     * -----
+     * Check for and dispatch any GPEs that have occurred
+     */
+    InterruptHandled |= AcpiEvGpeDetect ();
+
+    return_VALUE (InterruptHandled);
+}
+
+
+/******************************************************************************
+ *
+ * FUNCTION:    AcpiEvInstallSciHandler
+ *
+ * PARAMETERS:  none
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Installs SCI handler.
+ *
+ ******************************************************************************/
+
+UINT32
+AcpiEvInstallSciHandler (void)
+{
+    UINT32                  Status = AE_OK;
+
+
+    ACPI_FUNCTION_TRACE ("EvInstallSciHandler");
+
+
+    Status = AcpiOsInstallInterruptHandler ((UINT32) AcpiGbl_FADT->SciInt,
+                        AcpiEvSciHandler, NULL);
+    return_ACPI_STATUS (Status);
+}
+
+
+/******************************************************************************
+ *
+ * FUNCTION:    AcpiEvRemoveSciHandler
+ *
+ * PARAMETERS:  none
+ *
+ * RETURN:      E_OK if handler uninstalled OK, E_ERROR if handler was not
+ *              installed to begin with
+ *
+ * DESCRIPTION: Remove the SCI interrupt handler.  No further SCIs will be
+ *              taken.
+ *
+ * Note:  It doesn't seem important to disable all events or set the event
+ *        enable registers to their original values.  The OS should disable
+ *        the SCI interrupt level when the handler is removed, so no more
+ *        events will come in.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiEvRemoveSciHandler (void)
+{
+    ACPI_STATUS             Status;
+
+
+    ACPI_FUNCTION_TRACE ("EvRemoveSciHandler");
+
+
+    /* Just let the OS remove the handler and disable the level */
+
+    Status = AcpiOsRemoveInterruptHandler ((UINT32) AcpiGbl_FADT->SciInt,
+                                    AcpiEvSciHandler);
+
+    return_ACPI_STATUS (Status);
+}
+
+
diff --git a/sys/contrib/dev/acpica/evxface.c b/sys/contrib/dev/acpica/evxface.c
new file mode 100644
index 0000000..b50e19e
--- /dev/null
+++ b/sys/contrib/dev/acpica/evxface.c
@@ -0,0 +1,817 @@
+/******************************************************************************
+ *
+ * Module Name: evxface - External interfaces for ACPI events
+ *              $Revision: 132 $
+ *
+ *****************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial prton of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+
+#define __EVXFACE_C__
+
+#include "acpi.h"
+#include "acnamesp.h"
+#include "acevents.h"
+#include "acinterp.h"
+
+#define _COMPONENT          ACPI_EVENTS
+        ACPI_MODULE_NAME    ("evxface")
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiInstallFixedEventHandler
+ *
+ * PARAMETERS:  Event           - Event type to enable.
+ *              Handler         - Pointer to the handler function for the
+ *                                event
+ *              Context         - Value passed to the handler on each GPE
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Saves the pointer to the handler function and then enables the
+ *              event.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiInstallFixedEventHandler (
+    UINT32                  Event,
+    ACPI_EVENT_HANDLER      Handler,
+    void                    *Context)
+{
+    ACPI_STATUS             Status;
+
+
+    ACPI_FUNCTION_TRACE ("AcpiInstallFixedEventHandler");
+
+
+    /* Parameter validation */
+
+    if (Event > ACPI_EVENT_MAX)
+    {
+        return_ACPI_STATUS (AE_BAD_PARAMETER);
+    }
+
+    Status = AcpiUtAcquireMutex (ACPI_MTX_EVENTS);
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    /* Don't allow two handlers. */
+
+    if (NULL != AcpiGbl_FixedEventHandlers[Event].Handler)
+    {
+        Status = AE_ALREADY_EXISTS;
+        goto Cleanup;
+    }
+
+    /* Install the handler before enabling the event */
+
+    AcpiGbl_FixedEventHandlers[Event].Handler = Handler;
+    AcpiGbl_FixedEventHandlers[Event].Context = Context;
+
+    Status = AcpiEnableEvent (Event, ACPI_EVENT_FIXED, 0);
+    if (ACPI_FAILURE (Status))
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_WARN, "Could not enable fixed event.\n"));
+
+        /* Remove the handler */
+
+        AcpiGbl_FixedEventHandlers[Event].Handler = NULL;
+        AcpiGbl_FixedEventHandlers[Event].Context = NULL;
+    }
+    else
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_INFO,
+            "Enabled fixed event %X, Handler=%p\n", Event, Handler));
+    }
+
+
+Cleanup:
+    (void) AcpiUtReleaseMutex (ACPI_MTX_EVENTS);
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiRemoveFixedEventHandler
+ *
+ * PARAMETERS:  Event           - Event type to disable.
+ *              Handler         - Address of the handler
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Disables the event and unregisters the event handler.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiRemoveFixedEventHandler (
+    UINT32                  Event,
+    ACPI_EVENT_HANDLER      Handler)
+{
+    ACPI_STATUS             Status = AE_OK;
+
+
+    ACPI_FUNCTION_TRACE ("AcpiRemoveFixedEventHandler");
+
+
+    /* Parameter validation */
+
+    if (Event > ACPI_EVENT_MAX)
+    {
+        return_ACPI_STATUS (AE_BAD_PARAMETER);
+    }
+
+    Status = AcpiUtAcquireMutex (ACPI_MTX_EVENTS);
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    /* Disable the event before removing the handler */
+
+    Status = AcpiDisableEvent(Event, ACPI_EVENT_FIXED, 0);
+
+    /* Always Remove the handler */
+
+    AcpiGbl_FixedEventHandlers[Event].Handler = NULL;
+    AcpiGbl_FixedEventHandlers[Event].Context = NULL;
+
+    if (ACPI_FAILURE (Status))
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_WARN,
+            "Could not write to fixed event enable register.\n"));
+    }
+    else
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Disabled fixed event %X.\n", Event));
+    }
+
+    (void) AcpiUtReleaseMutex (ACPI_MTX_EVENTS);
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiInstallNotifyHandler
+ *
+ * PARAMETERS:  Device          - The device for which notifies will be handled
+ *              HandlerType     - The type of handler:
+ *                                  ACPI_SYSTEM_NOTIFY: SystemHandler (00-7f)
+ *                                  ACPI_DEVICE_NOTIFY: DriverHandler (80-ff)
+ *              Handler         - Address of the handler
+ *              Context         - Value passed to the handler on each GPE
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Install a handler for notifies on an ACPI device
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiInstallNotifyHandler (
+    ACPI_HANDLE             Device,
+    UINT32                  HandlerType,
+    ACPI_NOTIFY_HANDLER     Handler,
+    void                    *Context)
+{
+    ACPI_OPERAND_OBJECT     *ObjDesc;
+    ACPI_OPERAND_OBJECT     *NotifyObj;
+    ACPI_NAMESPACE_NODE     *Node;
+    ACPI_STATUS             Status;
+
+
+    ACPI_FUNCTION_TRACE ("AcpiInstallNotifyHandler");
+
+
+    /* Parameter validation */
+
+    if ((!Device)  ||
+        (!Handler) ||
+        (HandlerType > ACPI_MAX_NOTIFY_HANDLER_TYPE))
+    {
+        return_ACPI_STATUS (AE_BAD_PARAMETER);
+    }
+
+    Status = AcpiUtAcquireMutex (ACPI_MTX_NAMESPACE);
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    /* Convert and validate the device handle */
+
+    Node = AcpiNsMapHandleToNode (Device);
+    if (!Node)
+    {
+        Status = AE_BAD_PARAMETER;
+        goto UnlockAndExit;
+    }
+
+    /*
+     * Root Object:
+     * Registering a notify handler on the root object indicates that the
+     * caller wishes to receive notifications for all objects.  Note that
+     * only one <external> global handler can be regsitered (per notify type).
+     */
+    if (Device == ACPI_ROOT_OBJECT)
+    {
+        /* Make sure the handler is not already installed */
+
+        if (((HandlerType == ACPI_SYSTEM_NOTIFY) &&
+              AcpiGbl_SysNotify.Handler) ||
+            ((HandlerType == ACPI_DEVICE_NOTIFY) &&
+              AcpiGbl_DrvNotify.Handler))
+        {
+            Status = AE_ALREADY_EXISTS;
+            goto UnlockAndExit;
+        }
+
+        if (HandlerType == ACPI_SYSTEM_NOTIFY)
+        {
+            AcpiGbl_SysNotify.Node = Node;
+            AcpiGbl_SysNotify.Handler = Handler;
+            AcpiGbl_SysNotify.Context = Context;
+        }
+        else /* ACPI_DEVICE_NOTIFY */
+        {
+            AcpiGbl_DrvNotify.Node = Node;
+            AcpiGbl_DrvNotify.Handler = Handler;
+            AcpiGbl_DrvNotify.Context = Context;
+        }
+
+        /* Global notify handler installed */
+    }
+
+    /*
+     * All Other Objects:
+     * Caller will only receive notifications specific to the target object.
+     * Note that only certain object types can receive notifications.
+     */
+    else
+    {
+        /* Notifies allowed on this object? */
+
+        if (!AcpiEvIsNotifyObject (Node))
+        {
+            Status = AE_TYPE;
+            goto UnlockAndExit;
+        }
+
+        /* Check for an existing internal object */
+
+        ObjDesc = AcpiNsGetAttachedObject (Node);
+        if (ObjDesc)
+        {
+
+            /* Object exists - make sure there's no handler */
+
+            if (((HandlerType == ACPI_SYSTEM_NOTIFY) &&
+                  ObjDesc->CommonNotify.SysHandler) ||
+                ((HandlerType == ACPI_DEVICE_NOTIFY) &&
+                  ObjDesc->CommonNotify.DrvHandler))
+            {
+                Status = AE_ALREADY_EXISTS;
+                goto UnlockAndExit;
+            }
+        }
+        else
+        {
+            /* Create a new object */
+
+            ObjDesc = AcpiUtCreateInternalObject (Node->Type);
+            if (!ObjDesc)
+            {
+                Status = AE_NO_MEMORY;
+                goto UnlockAndExit;
+            }
+
+            /* Attach new object to the Node */
+
+            Status = AcpiNsAttachObject (Device, ObjDesc, Node->Type);
+            if (ACPI_FAILURE (Status))
+            {
+                goto UnlockAndExit;
+            }
+        }
+
+        /* Install the handler */
+
+        NotifyObj = AcpiUtCreateInternalObject (ACPI_TYPE_LOCAL_NOTIFY);
+        if (!NotifyObj)
+        {
+            Status = AE_NO_MEMORY;
+            goto UnlockAndExit;
+        }
+
+        NotifyObj->NotifyHandler.Node = Node;
+        NotifyObj->NotifyHandler.Handler = Handler;
+        NotifyObj->NotifyHandler.Context = Context;
+
+        if (HandlerType == ACPI_SYSTEM_NOTIFY)
+        {
+            ObjDesc->CommonNotify.SysHandler = NotifyObj;
+        }
+        else /* ACPI_DEVICE_NOTIFY */
+        {
+            ObjDesc->CommonNotify.DrvHandler = NotifyObj;
+        }
+    }
+
+
+UnlockAndExit:
+    (void) AcpiUtReleaseMutex (ACPI_MTX_NAMESPACE);
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiRemoveNotifyHandler
+ *
+ * PARAMETERS:  Device          - The device for which notifies will be handled
+ *              HandlerType     - The type of handler:
+ *                                  ACPI_SYSTEM_NOTIFY: SystemHandler (00-7f)
+ *                                  ACPI_DEVICE_NOTIFY: DriverHandler (80-ff)
+ *              Handler         - Address of the handler
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Remove a handler for notifies on an ACPI device
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiRemoveNotifyHandler (
+    ACPI_HANDLE             Device,
+    UINT32                  HandlerType,
+    ACPI_NOTIFY_HANDLER     Handler)
+{
+    ACPI_OPERAND_OBJECT     *NotifyObj;
+    ACPI_OPERAND_OBJECT     *ObjDesc;
+    ACPI_NAMESPACE_NODE     *Node;
+    ACPI_STATUS             Status;
+
+
+    ACPI_FUNCTION_TRACE ("AcpiRemoveNotifyHandler");
+
+
+    /* Parameter validation */
+
+    if ((!Device)  ||
+        (!Handler) ||
+        (HandlerType > ACPI_MAX_NOTIFY_HANDLER_TYPE))
+    {
+        return_ACPI_STATUS (AE_BAD_PARAMETER);
+    }
+
+    Status = AcpiUtAcquireMutex (ACPI_MTX_NAMESPACE);
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    /* Convert and validate the device handle */
+
+    Node = AcpiNsMapHandleToNode (Device);
+    if (!Node)
+    {
+        Status = AE_BAD_PARAMETER;
+        goto UnlockAndExit;
+    }
+
+    /*
+     * Root Object
+     */
+    if (Device == ACPI_ROOT_OBJECT)
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Removing notify handler for ROOT object.\n"));
+
+        if (((HandlerType == ACPI_SYSTEM_NOTIFY) &&
+              !AcpiGbl_SysNotify.Handler) ||
+            ((HandlerType == ACPI_DEVICE_NOTIFY) &&
+              !AcpiGbl_DrvNotify.Handler))
+        {
+            Status = AE_NOT_EXIST;
+            goto UnlockAndExit;
+        }
+
+        if (HandlerType == ACPI_SYSTEM_NOTIFY)
+        {
+            AcpiGbl_SysNotify.Node    = NULL;
+            AcpiGbl_SysNotify.Handler = NULL;
+            AcpiGbl_SysNotify.Context = NULL;
+        }
+        else
+        {
+            AcpiGbl_DrvNotify.Node    = NULL;
+            AcpiGbl_DrvNotify.Handler = NULL;
+            AcpiGbl_DrvNotify.Context = NULL;
+        }
+    }
+
+    /*
+     * All Other Objects
+     */
+    else
+    {
+        /* Notifies allowed on this object? */
+
+        if (!AcpiEvIsNotifyObject (Node))
+        {
+            Status = AE_TYPE;
+            goto UnlockAndExit;
+        }
+
+        /* Check for an existing internal object */
+
+        ObjDesc = AcpiNsGetAttachedObject (Node);
+        if (!ObjDesc)
+        {
+            Status = AE_NOT_EXIST;
+            goto UnlockAndExit;
+        }
+
+        /* Object exists - make sure there's an existing handler */
+
+        if (HandlerType == ACPI_SYSTEM_NOTIFY)
+        {
+            NotifyObj = ObjDesc->CommonNotify.SysHandler;
+        }
+        else
+        {
+            NotifyObj = ObjDesc->CommonNotify.DrvHandler;
+        }
+
+        if ((!NotifyObj) ||
+            (NotifyObj->NotifyHandler.Handler != Handler))
+        {
+            Status = AE_BAD_PARAMETER;
+            goto UnlockAndExit;
+        }
+
+        /* Remove the handler */
+
+        if (HandlerType == ACPI_SYSTEM_NOTIFY)
+        {
+            ObjDesc->CommonNotify.SysHandler = NULL;
+        }
+        else
+        {
+            ObjDesc->CommonNotify.DrvHandler = NULL;
+        }
+
+        AcpiUtRemoveReference (NotifyObj);
+    }
+
+
+UnlockAndExit:
+    (void) AcpiUtReleaseMutex (ACPI_MTX_NAMESPACE);
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiInstallGpeHandler
+ *
+ * PARAMETERS:  GpeNumber       - The GPE number.  The numbering scheme is
+ *                                bank 0 first, then bank 1.
+ *              Type            - Whether this GPE should be treated as an
+ *                                edge- or level-triggered interrupt.
+ *              Handler         - Address of the handler
+ *              Context         - Value passed to the handler on each GPE
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Install a handler for a General Purpose Event.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiInstallGpeHandler (
+    UINT32                  GpeNumber,
+    UINT32                  Type,
+    ACPI_GPE_HANDLER        Handler,
+    void                    *Context)
+{
+    ACPI_STATUS             Status;
+    UINT32                  GpeNumberIndex;
+
+
+    ACPI_FUNCTION_TRACE ("AcpiInstallGpeHandler");
+
+
+    /* Parameter validation */
+
+    if (!Handler)
+    {
+        return_ACPI_STATUS (AE_BAD_PARAMETER);
+    }
+
+    /* Ensure that we have a valid GPE number */
+
+    GpeNumberIndex = AcpiEvGetGpeNumberIndex (GpeNumber);
+    if (GpeNumberIndex == ACPI_GPE_INVALID)
+    {
+        return_ACPI_STATUS (AE_BAD_PARAMETER);
+    }
+
+    Status = AcpiUtAcquireMutex (ACPI_MTX_EVENTS);
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    /* Make sure that there isn't a handler there already */
+
+    if (AcpiGbl_GpeNumberInfo[GpeNumberIndex].Handler)
+    {
+        Status = AE_ALREADY_EXISTS;
+        goto Cleanup;
+    }
+
+    /* Install the handler */
+
+    AcpiGbl_GpeNumberInfo[GpeNumberIndex].Handler = Handler;
+    AcpiGbl_GpeNumberInfo[GpeNumberIndex].Context = Context;
+    AcpiGbl_GpeNumberInfo[GpeNumberIndex].Type    = (UINT8) Type;
+
+    /* Clear the GPE (of stale events), the enable it */
+
+    Status = AcpiHwClearGpe (GpeNumber);
+    if (ACPI_FAILURE (Status))
+    {
+        goto Cleanup;
+    }
+
+    Status = AcpiHwEnableGpe (GpeNumber);
+
+
+Cleanup:
+    (void) AcpiUtReleaseMutex (ACPI_MTX_EVENTS);
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiRemoveGpeHandler
+ *
+ * PARAMETERS:  GpeNumber       - The event to remove a handler
+ *              Handler         - Address of the handler
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Remove a handler for a General Purpose AcpiEvent.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiRemoveGpeHandler (
+    UINT32                  GpeNumber,
+    ACPI_GPE_HANDLER        Handler)
+{
+    ACPI_STATUS             Status;
+    UINT32                  GpeNumberIndex;
+
+
+    ACPI_FUNCTION_TRACE ("AcpiRemoveGpeHandler");
+
+
+    /* Parameter validation */
+
+    if (!Handler)
+    {
+        return_ACPI_STATUS (AE_BAD_PARAMETER);
+    }
+
+    /* Ensure that we have a valid GPE number */
+
+    GpeNumberIndex = AcpiEvGetGpeNumberIndex (GpeNumber);
+    if (GpeNumberIndex == ACPI_GPE_INVALID)
+    {
+        return_ACPI_STATUS (AE_BAD_PARAMETER);
+    }
+
+    /* Disable the GPE before removing the handler */
+
+    Status = AcpiHwDisableGpe (GpeNumber);
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    Status = AcpiUtAcquireMutex (ACPI_MTX_EVENTS);
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    /* Make sure that the installed handler is the same */
+
+    if (AcpiGbl_GpeNumberInfo[GpeNumberIndex].Handler != Handler)
+    {
+        (void) AcpiHwEnableGpe (GpeNumber);
+        Status = AE_BAD_PARAMETER;
+        goto Cleanup;
+    }
+
+    /* Remove the handler */
+
+    AcpiGbl_GpeNumberInfo[GpeNumberIndex].Handler = NULL;
+    AcpiGbl_GpeNumberInfo[GpeNumberIndex].Context = NULL;
+
+
+Cleanup:
+    (void) AcpiUtReleaseMutex (ACPI_MTX_EVENTS);
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiAcquireGlobalLock
+ *
+ * PARAMETERS:  Timeout         - How long the caller is willing to wait
+ *              OutHandle       - A handle to the lock if acquired
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Acquire the ACPI Global Lock
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiAcquireGlobalLock (
+    UINT16                  Timeout,
+    UINT32                  *Handle)
+{
+    ACPI_STATUS             Status;
+
+
+    if (!Handle)
+    {
+        return (AE_BAD_PARAMETER);
+    }
+
+    Status = AcpiExEnterInterpreter ();
+    if (ACPI_FAILURE (Status))
+    {
+        return (Status);
+    }
+
+    Status = AcpiEvAcquireGlobalLock (Timeout);
+    AcpiExExitInterpreter ();
+
+    if (ACPI_SUCCESS (Status))
+    {
+        AcpiGbl_GlobalLockHandle++;
+        *Handle = AcpiGbl_GlobalLockHandle;
+    }
+
+    return (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiReleaseGlobalLock
+ *
+ * PARAMETERS:  Handle      - Returned from AcpiAcquireGlobalLock
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Release the ACPI Global Lock
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiReleaseGlobalLock (
+    UINT32                  Handle)
+{
+    ACPI_STATUS             Status;
+
+
+    if (Handle != AcpiGbl_GlobalLockHandle)
+    {
+        return (AE_NOT_ACQUIRED);
+    }
+
+    Status = AcpiEvReleaseGlobalLock ();
+    return (Status);
+}
+
+
diff --git a/sys/contrib/dev/acpica/evxfevnt.c b/sys/contrib/dev/acpica/evxfevnt.c
new file mode 100644
index 0000000..9e70832
--- /dev/null
+++ b/sys/contrib/dev/acpica/evxfevnt.c
@@ -0,0 +1,571 @@
+/******************************************************************************
+ *
+ * Module Name: evxfevnt - External Interfaces, ACPI event disable/enable
+ *              $Revision: 57 $
+ *
+ *****************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial prton of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+
+#define __EVXFEVNT_C__
+
+#include "acpi.h"
+#include "acevents.h"
+
+#define _COMPONENT          ACPI_EVENTS
+        ACPI_MODULE_NAME    ("evxfevnt")
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiEnable
+ *
+ * PARAMETERS:  None
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Transfers the system into ACPI mode.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiEnable (void)
+{
+    ACPI_STATUS             Status = AE_OK;
+
+
+    ACPI_FUNCTION_TRACE ("AcpiEnable");
+
+
+    /* Make sure we have the FADT*/
+
+    if (!AcpiGbl_FADT)
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_WARN, "No FADT information present!\n"));
+        return_ACPI_STATUS (AE_NO_ACPI_TABLES);
+    }
+
+    if (AcpiHwGetMode() == ACPI_SYS_MODE_ACPI)
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_OK, "Already in ACPI mode.\n"));
+    }
+    else
+    {
+        /* Transition to ACPI mode */
+
+        Status = AcpiHwSetMode (ACPI_SYS_MODE_ACPI);
+        if (ACPI_FAILURE (Status))
+        {
+            ACPI_DEBUG_PRINT ((ACPI_DB_FATAL, "Could not transition to ACPI mode.\n"));
+            return_ACPI_STATUS (Status);
+        }
+
+        ACPI_DEBUG_PRINT ((ACPI_DB_OK, "Transition to ACPI mode successful\n"));
+    }
+
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDisable
+ *
+ * PARAMETERS:  None
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Transfers the system into LEGACY mode.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiDisable (void)
+{
+    ACPI_STATUS             Status = AE_OK;
+
+
+    ACPI_FUNCTION_TRACE ("AcpiDisable");
+
+    if (!AcpiGbl_FADT)
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_WARN, "No FADT information present!\n"));
+        return_ACPI_STATUS (AE_NO_ACPI_TABLES);
+    }
+
+    if (AcpiHwGetMode() == ACPI_SYS_MODE_LEGACY)
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_OK, "Already in LEGACY mode.\n"));
+    }
+    else
+    {
+        /* Transition to LEGACY mode */
+        Status = AcpiHwSetMode (ACPI_SYS_MODE_LEGACY);
+
+        if (ACPI_FAILURE (Status))
+        {
+            ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Could not transition to LEGACY mode."));
+            return_ACPI_STATUS (Status);
+        }
+
+        ACPI_DEBUG_PRINT ((ACPI_DB_OK, "Transition to LEGACY mode successful\n"));
+    }
+
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiEnableEvent
+ *
+ * PARAMETERS:  Event           - The fixed event or GPE to be enabled
+ *              Type            - The type of event
+ *              Flags           - Just enable, or also wake enable?
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Enable an ACPI event (fixed and general purpose)
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiEnableEvent (
+    UINT32                  Event,
+    UINT32                  Type,
+    UINT32                  Flags)
+{
+    ACPI_STATUS             Status = AE_OK;
+    UINT32                  Value;
+
+
+    ACPI_FUNCTION_TRACE ("AcpiEnableEvent");
+
+
+    /* The Type must be either Fixed Event or GPE */
+
+    switch (Type)
+    {
+    case ACPI_EVENT_FIXED:
+
+        /* Decode the Fixed Event */
+
+        if (Event > ACPI_EVENT_MAX)
+        {
+            return_ACPI_STATUS (AE_BAD_PARAMETER);
+        }
+
+        /*
+         * Enable the requested fixed event (by writing a one to the
+         * enable register bit)
+         */
+        Status = AcpiSetRegister (AcpiGbl_FixedEventInfo[Event].EnableRegisterId,
+                    1, ACPI_MTX_LOCK);
+        if (ACPI_FAILURE (Status))
+        {
+            return_ACPI_STATUS (Status);
+        }
+
+        /* Make sure that the hardware responded */
+
+        Status = AcpiGetRegister (AcpiGbl_FixedEventInfo[Event].EnableRegisterId,
+                        &Value, ACPI_MTX_LOCK);
+        if (ACPI_FAILURE (Status))
+        {
+            return_ACPI_STATUS (Status);
+        }
+
+        if (Value != 1)
+        {
+            ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+                "Could not enable %s event\n", AcpiUtGetEventName (Event)));
+            return_ACPI_STATUS (AE_NO_HARDWARE_RESPONSE);
+        }
+        break;
+
+
+    case ACPI_EVENT_GPE:
+
+        /* Ensure that we have a valid GPE number */
+
+        if (AcpiEvGetGpeNumberIndex (Event) == ACPI_GPE_INVALID)
+        {
+            return_ACPI_STATUS (AE_BAD_PARAMETER);
+        }
+
+        /* Enable the requested GPE number */
+
+        Status = AcpiHwEnableGpe (Event);
+        if (ACPI_FAILURE (Status))
+        {
+            return_ACPI_STATUS (Status);
+        }
+
+        if (Flags & ACPI_EVENT_WAKE_ENABLE)
+        {
+            AcpiHwEnableGpeForWakeup (Event);
+        }
+        break;
+
+
+    default:
+
+        Status = AE_BAD_PARAMETER;
+    }
+
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDisableEvent
+ *
+ * PARAMETERS:  Event           - The fixed event or GPE to be enabled
+ *              Type            - The type of event, fixed or general purpose
+ *              Flags           - Wake disable vs. non-wake disable
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Disable an ACPI event (fixed and general purpose)
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiDisableEvent (
+    UINT32                  Event,
+    UINT32                  Type,
+    UINT32                  Flags)
+{
+    ACPI_STATUS             Status = AE_OK;
+    UINT32                  Value;
+
+
+    ACPI_FUNCTION_TRACE ("AcpiDisableEvent");
+
+
+    /* The Type must be either Fixed Event or GPE */
+
+    switch (Type)
+    {
+    case ACPI_EVENT_FIXED:
+
+        /* Decode the Fixed Event */
+
+        if (Event > ACPI_EVENT_MAX)
+        {
+            return_ACPI_STATUS (AE_BAD_PARAMETER);
+        }
+
+        /*
+         * Disable the requested fixed event (by writing a zero to the
+         * enable register bit)
+         */
+        Status = AcpiSetRegister (AcpiGbl_FixedEventInfo[Event].EnableRegisterId,
+                    0, ACPI_MTX_LOCK);
+        if (ACPI_FAILURE (Status))
+        {
+            return_ACPI_STATUS (Status);
+        }
+
+        Status = AcpiGetRegister (AcpiGbl_FixedEventInfo[Event].EnableRegisterId,
+                    &Value, ACPI_MTX_LOCK);
+        if (ACPI_FAILURE (Status))
+        {
+            return_ACPI_STATUS (Status);
+        }
+
+        if (Value != 0)
+        {
+            ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+                "Could not disable %s events\n", AcpiUtGetEventName (Event)));
+            return_ACPI_STATUS (AE_NO_HARDWARE_RESPONSE);
+        }
+        break;
+
+
+    case ACPI_EVENT_GPE:
+
+        /* Ensure that we have a valid GPE number */
+
+        if (AcpiEvGetGpeNumberIndex (Event) == ACPI_GPE_INVALID)
+        {
+            return_ACPI_STATUS (AE_BAD_PARAMETER);
+        }
+
+        /*
+         * Only disable the requested GPE number for wake if specified.
+         * Otherwise, turn it totally off
+         */
+
+        if (Flags & ACPI_EVENT_WAKE_DISABLE)
+        {
+            AcpiHwDisableGpeForWakeup (Event);
+        }
+        else
+        {
+            Status = AcpiHwDisableGpe (Event);
+        }
+        break;
+
+
+    default:
+        Status = AE_BAD_PARAMETER;
+    }
+
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiClearEvent
+ *
+ * PARAMETERS:  Event           - The fixed event or GPE to be cleared
+ *              Type            - The type of event
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Clear an ACPI event (fixed and general purpose)
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiClearEvent (
+    UINT32                  Event,
+    UINT32                  Type)
+{
+    ACPI_STATUS             Status = AE_OK;
+
+
+    ACPI_FUNCTION_TRACE ("AcpiClearEvent");
+
+
+    /* The Type must be either Fixed Event or GPE */
+
+    switch (Type)
+    {
+    case ACPI_EVENT_FIXED:
+
+        /* Decode the Fixed Event */
+
+        if (Event > ACPI_EVENT_MAX)
+        {
+            return_ACPI_STATUS (AE_BAD_PARAMETER);
+        }
+
+        /*
+         * Clear the requested fixed event (By writing a one to the
+         * status register bit)
+         */
+        Status = AcpiSetRegister (AcpiGbl_FixedEventInfo[Event].StatusRegisterId,
+                1, ACPI_MTX_LOCK);
+        break;
+
+
+    case ACPI_EVENT_GPE:
+
+        /* Ensure that we have a valid GPE number */
+
+        if (AcpiEvGetGpeNumberIndex (Event) == ACPI_GPE_INVALID)
+        {
+            return_ACPI_STATUS (AE_BAD_PARAMETER);
+        }
+
+        Status = AcpiHwClearGpe (Event);
+        break;
+
+
+    default:
+
+        Status = AE_BAD_PARAMETER;
+    }
+
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiGetEventStatus
+ *
+ * PARAMETERS:  Event           - The fixed event or GPE
+ *              Type            - The type of event
+ *              Status          - Where the current status of the event will
+ *                                be returned
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Obtains and returns the current status of the event
+ *
+ ******************************************************************************/
+
+
+ACPI_STATUS
+AcpiGetEventStatus (
+    UINT32                  Event,
+    UINT32                  Type,
+    ACPI_EVENT_STATUS       *EventStatus)
+{
+    ACPI_STATUS             Status = AE_OK;
+
+
+    ACPI_FUNCTION_TRACE ("AcpiGetEventStatus");
+
+
+    if (!EventStatus)
+    {
+        return_ACPI_STATUS (AE_BAD_PARAMETER);
+    }
+
+
+    /* The Type must be either Fixed Event or GPE */
+
+    switch (Type)
+    {
+    case ACPI_EVENT_FIXED:
+
+        /* Decode the Fixed Event */
+
+        if (Event > ACPI_EVENT_MAX)
+        {
+            return_ACPI_STATUS (AE_BAD_PARAMETER);
+        }
+
+        /* Get the status of the requested fixed event */
+
+        Status = AcpiGetRegister (AcpiGbl_FixedEventInfo[Event].StatusRegisterId,
+                        EventStatus, ACPI_MTX_LOCK);
+        break;
+
+
+    case ACPI_EVENT_GPE:
+
+        /* Ensure that we have a valid GPE number */
+
+        if (AcpiEvGetGpeNumberIndex (Event) == ACPI_GPE_INVALID)
+        {
+            return_ACPI_STATUS (AE_BAD_PARAMETER);
+        }
+
+        /* Obtain status on the requested GPE number */
+
+        Status = AcpiHwGetGpeStatus (Event, EventStatus);
+        break;
+
+
+    default:
+        Status = AE_BAD_PARAMETER;
+    }
+
+    return_ACPI_STATUS (Status);
+}
+
diff --git a/sys/contrib/dev/acpica/evxfregn.c b/sys/contrib/dev/acpica/evxfregn.c
new file mode 100644
index 0000000..6f06b3a
--- /dev/null
+++ b/sys/contrib/dev/acpica/evxfregn.c
@@ -0,0 +1,520 @@
+/******************************************************************************
+ *
+ * Module Name: evxfregn - External Interfaces, ACPI Operation Regions and
+ *                         Address Spaces.
+ *              $Revision: 52 $
+ *
+ *****************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial prton of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+#define __EVXFREGN_C__
+
+#include "acpi.h"
+#include "acnamesp.h"
+#include "acevents.h"
+#include "acinterp.h"
+
+#define _COMPONENT          ACPI_EVENTS
+        ACPI_MODULE_NAME    ("evxfregn")
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiInstallAddressSpaceHandler
+ *
+ * PARAMETERS:  Device          - Handle for the device
+ *              SpaceId         - The address space ID
+ *              Handler         - Address of the handler
+ *              Setup           - Address of the setup function
+ *              Context         - Value passed to the handler on each access
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Install a handler for all OpRegions of a given SpaceId.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiInstallAddressSpaceHandler (
+    ACPI_HANDLE             Device,
+    ACPI_ADR_SPACE_TYPE     SpaceId,
+    ACPI_ADR_SPACE_HANDLER  Handler,
+    ACPI_ADR_SPACE_SETUP    Setup,
+    void                    *Context)
+{
+    ACPI_OPERAND_OBJECT     *ObjDesc;
+    ACPI_OPERAND_OBJECT     *HandlerObj;
+    ACPI_NAMESPACE_NODE     *Node;
+    ACPI_STATUS             Status;
+    ACPI_OBJECT_TYPE        Type;
+    UINT16                  Flags = 0;
+
+
+    ACPI_FUNCTION_TRACE ("AcpiInstallAddressSpaceHandler");
+
+
+    /* Parameter validation */
+
+    if (!Device)
+    {
+        return_ACPI_STATUS (AE_BAD_PARAMETER);
+    }
+
+    Status = AcpiUtAcquireMutex (ACPI_MTX_NAMESPACE);
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    /* Convert and validate the device handle */
+
+    Node = AcpiNsMapHandleToNode (Device);
+    if (!Node)
+    {
+        Status = AE_BAD_PARAMETER;
+        goto UnlockAndExit;
+    }
+
+    /*
+     * This registration is valid for only the types below
+     * and the root.  This is where the default handlers
+     * get placed.
+     */
+    if ((Node->Type != ACPI_TYPE_DEVICE)     &&
+        (Node->Type != ACPI_TYPE_PROCESSOR)  &&
+        (Node->Type != ACPI_TYPE_THERMAL)    &&
+        (Node != AcpiGbl_RootNode))
+    {
+        Status = AE_BAD_PARAMETER;
+        goto UnlockAndExit;
+    }
+
+    if (Handler == ACPI_DEFAULT_HANDLER)
+    {
+        Flags = ACPI_ADDR_HANDLER_DEFAULT_INSTALLED;
+
+        switch (SpaceId)
+        {
+        case ACPI_ADR_SPACE_SYSTEM_MEMORY:
+            Handler = AcpiExSystemMemorySpaceHandler;
+            Setup   = AcpiEvSystemMemoryRegionSetup;
+            break;
+
+        case ACPI_ADR_SPACE_SYSTEM_IO:
+            Handler = AcpiExSystemIoSpaceHandler;
+            Setup   = AcpiEvIoSpaceRegionSetup;
+            break;
+
+        case ACPI_ADR_SPACE_PCI_CONFIG:
+            Handler = AcpiExPciConfigSpaceHandler;
+            Setup   = AcpiEvPciConfigRegionSetup;
+            break;
+
+        case ACPI_ADR_SPACE_CMOS:
+            Handler = AcpiExCmosSpaceHandler;
+            Setup   = AcpiEvCmosRegionSetup;
+            break;
+
+        case ACPI_ADR_SPACE_PCI_BAR_TARGET:
+            Handler = AcpiExPciBarSpaceHandler;
+            Setup   = AcpiEvPciBarRegionSetup;
+            break;
+
+        case ACPI_ADR_SPACE_DATA_TABLE:
+            Handler = AcpiExDataTableSpaceHandler;
+            Setup   = NULL;
+            break;
+
+        default:
+            Status = AE_NOT_EXIST;
+            goto UnlockAndExit;
+        }
+    }
+
+    /*
+     * If the caller hasn't specified a setup routine, use the default
+     */
+    if (!Setup)
+    {
+        Setup = AcpiEvDefaultRegionSetup;
+    }
+
+    /*
+     * Check for an existing internal object
+     */
+    ObjDesc = AcpiNsGetAttachedObject (Node);
+    if (ObjDesc)
+    {
+        /*
+         * The object exists.
+         * Make sure the handler is not already installed.
+         */
+
+        /* check the address handler the user requested */
+
+        HandlerObj = ObjDesc->Device.AddrHandler;
+        while (HandlerObj)
+        {
+            /*
+             * We have an Address handler, see if user requested this
+             * address space.
+             */
+            if(HandlerObj->AddrHandler.SpaceId == SpaceId)
+            {
+                Status = AE_ALREADY_EXISTS;
+                goto UnlockAndExit;
+            }
+
+            /*
+             * Move through the linked list of handlers
+             */
+            HandlerObj = HandlerObj->AddrHandler.Next;
+        }
+    }
+    else
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_OPREGION,
+            "Creating object on Device %p while installing handler\n", Node));
+
+        /* ObjDesc does not exist, create one */
+
+        if (Node->Type == ACPI_TYPE_ANY)
+        {
+            Type = ACPI_TYPE_DEVICE;
+        }
+        else
+        {
+            Type = Node->Type;
+        }
+
+        ObjDesc = AcpiUtCreateInternalObject (Type);
+        if (!ObjDesc)
+        {
+            Status = AE_NO_MEMORY;
+            goto UnlockAndExit;
+        }
+
+        /* Init new descriptor */
+
+        ObjDesc->Common.Type = (UINT8) Type;
+
+        /* Attach the new object to the Node */
+
+        Status = AcpiNsAttachObject (Node, ObjDesc, Type);
+        if (ACPI_FAILURE (Status))
+        {
+            AcpiUtRemoveReference (ObjDesc);
+            goto UnlockAndExit;
+        }
+    }
+
+    ACPI_DEBUG_PRINT ((ACPI_DB_OPREGION,
+        "Installing address handler for region %s(%X) on Device %4.4s %p(%p)\n",
+        AcpiUtGetRegionName (SpaceId), SpaceId, Node->Name.Ascii, Node, ObjDesc));
+
+    /*
+     * Now we can install the handler
+     *
+     * At this point we know that there is no existing handler.
+     * So, we just allocate the object for the handler and link it
+     * into the list.
+     */
+    HandlerObj = AcpiUtCreateInternalObject (ACPI_TYPE_LOCAL_ADDRESS_HANDLER);
+    if (!HandlerObj)
+    {
+        Status = AE_NO_MEMORY;
+        goto UnlockAndExit;
+    }
+
+    HandlerObj->AddrHandler.SpaceId     = (UINT8) SpaceId;
+    HandlerObj->AddrHandler.Hflags      = Flags;
+    HandlerObj->AddrHandler.Next        = ObjDesc->Device.AddrHandler;
+    HandlerObj->AddrHandler.RegionList  = NULL;
+    HandlerObj->AddrHandler.Node        = Node;
+    HandlerObj->AddrHandler.Handler     = Handler;
+    HandlerObj->AddrHandler.Context     = Context;
+    HandlerObj->AddrHandler.Setup       = Setup;
+
+    /*
+     * Now walk the namespace finding all of the regions this
+     * handler will manage.
+     *
+     * We start at the device and search the branch toward
+     * the leaf nodes until either the leaf is encountered or
+     * a device is detected that has an address handler of the
+     * same type.
+     *
+     * In either case we back up and search down the remainder
+     * of the branch
+     */
+    Status = AcpiNsWalkNamespace (ACPI_TYPE_ANY, Device,
+                                  ACPI_UINT32_MAX, ACPI_NS_WALK_UNLOCK,
+                                  AcpiEvAddrHandlerHelper,
+                                  HandlerObj, NULL);
+
+    /*
+     * Place this handler 1st on the list
+     */
+    HandlerObj->Common.ReferenceCount =
+                            (UINT16) (HandlerObj->Common.ReferenceCount +
+                            ObjDesc->Common.ReferenceCount - 1);
+    ObjDesc->Device.AddrHandler = HandlerObj;
+
+
+UnlockAndExit:
+    (void) AcpiUtReleaseMutex (ACPI_MTX_NAMESPACE);
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiRemoveAddressSpaceHandler
+ *
+ * PARAMETERS:  SpaceId         - The address space ID
+ *              Handler         - Address of the handler
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Install a handler for accesses on an Operation Region
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiRemoveAddressSpaceHandler (
+    ACPI_HANDLE             Device,
+    ACPI_ADR_SPACE_TYPE     SpaceId,
+    ACPI_ADR_SPACE_HANDLER  Handler)
+{
+    ACPI_OPERAND_OBJECT     *ObjDesc;
+    ACPI_OPERAND_OBJECT     *HandlerObj;
+    ACPI_OPERAND_OBJECT     *RegionObj;
+    ACPI_OPERAND_OBJECT     **LastObjPtr;
+    ACPI_NAMESPACE_NODE     *Node;
+    ACPI_STATUS             Status;
+
+
+    ACPI_FUNCTION_TRACE ("AcpiRemoveAddressSpaceHandler");
+
+
+    /* Parameter validation */
+
+    if (!Device)
+    {
+        return_ACPI_STATUS (AE_BAD_PARAMETER);
+    }
+
+    Status = AcpiUtAcquireMutex (ACPI_MTX_NAMESPACE);
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    /* Convert and validate the device handle */
+
+    Node = AcpiNsMapHandleToNode (Device);
+    if (!Node)
+    {
+        Status = AE_BAD_PARAMETER;
+        goto UnlockAndExit;
+    }
+
+    /* Make sure the internal object exists */
+
+    ObjDesc = AcpiNsGetAttachedObject (Node);
+    if (!ObjDesc)
+    {
+        Status = AE_NOT_EXIST;
+        goto UnlockAndExit;
+    }
+
+    /*
+     * find the address handler the user requested
+     */
+    HandlerObj = ObjDesc->Device.AddrHandler;
+    LastObjPtr = &ObjDesc->Device.AddrHandler;
+    while (HandlerObj)
+    {
+        /*
+         * We have a handler, see if user requested this one
+         */
+        if (HandlerObj->AddrHandler.SpaceId == SpaceId)
+        {
+            /*
+             * Got it, first dereference this in the Regions
+             */
+            ACPI_DEBUG_PRINT ((ACPI_DB_OPREGION,
+                "Removing address handler %p(%p) for region %s on Device %p(%p)\n",
+                HandlerObj, Handler, AcpiUtGetRegionName (SpaceId),
+                Node, ObjDesc));
+
+            RegionObj = HandlerObj->AddrHandler.RegionList;
+
+            /* Walk the handler's region list */
+
+            while (RegionObj)
+            {
+                /*
+                 * First disassociate the handler from the region.
+                 *
+                 * NOTE: this doesn't mean that the region goes away
+                 * The region is just inaccessible as indicated to
+                 * the _REG method
+                 */
+                AcpiEvDetachRegion (RegionObj, TRUE);
+
+                /*
+                 * Walk the list, since we took the first region and it
+                 * was removed from the list by the dissassociate call
+                 * we just get the first item on the list again
+                 */
+                RegionObj = HandlerObj->AddrHandler.RegionList;
+
+            }
+
+            /*
+             * Remove this Handler object from the list
+             */
+            *LastObjPtr = HandlerObj->AddrHandler.Next;
+
+            /*
+             * Now we can delete the handler object
+             */
+            AcpiUtRemoveReference (HandlerObj);
+            AcpiUtRemoveReference (HandlerObj);
+
+            goto UnlockAndExit;
+        }
+
+        /*
+         * Move through the linked list of handlers
+         */
+        LastObjPtr = &HandlerObj->AddrHandler.Next;
+        HandlerObj = HandlerObj->AddrHandler.Next;
+    }
+
+
+    /*
+     * The handler does not exist
+     */
+    ACPI_DEBUG_PRINT ((ACPI_DB_OPREGION,
+        "Unable to remove address handler %p for %s(%X), DevNode %p, obj %p\n",
+        Handler, AcpiUtGetRegionName (SpaceId), SpaceId, Node, ObjDesc));
+
+    Status = AE_NOT_EXIST;
+
+
+UnlockAndExit:
+    (void) AcpiUtReleaseMutex (ACPI_MTX_NAMESPACE);
+    return_ACPI_STATUS (Status);
+}
+
+
diff --git a/sys/contrib/dev/acpica/exconfig.c b/sys/contrib/dev/acpica/exconfig.c
new file mode 100644
index 0000000..409f2d3
--- /dev/null
+++ b/sys/contrib/dev/acpica/exconfig.c
@@ -0,0 +1,563 @@
+/******************************************************************************
+ *
+ * Module Name: exconfig - Namespace reconfiguration (Load/Unload opcodes)
+ *              $Revision: 69 $
+ *
+ *****************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+#define __EXCONFIG_C__
+
+#include "acpi.h"
+#include "acinterp.h"
+#include "amlcode.h"
+#include "acnamesp.h"
+#include "acevents.h"
+#include "actables.h"
+
+
+#define _COMPONENT          ACPI_EXECUTER
+        ACPI_MODULE_NAME    ("exconfig")
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiExAddTable
+ *
+ * PARAMETERS:  Table               - Pointer to raw table
+ *              ParentNode          - Where to load the table (scope)
+ *              DdbHandle           - Where to return the table handle.
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Common function to Install and Load an ACPI table with a
+ *              returned table handle.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiExAddTable (
+    ACPI_TABLE_HEADER       *Table,
+    ACPI_NAMESPACE_NODE     *ParentNode,
+    ACPI_OPERAND_OBJECT     **DdbHandle)
+{
+    ACPI_STATUS             Status;
+    ACPI_TABLE_DESC         TableInfo;
+    ACPI_OPERAND_OBJECT     *ObjDesc;
+
+
+    ACPI_FUNCTION_TRACE ("ExAddTable");
+
+
+    /* Create an object to be the table handle */
+
+    ObjDesc = AcpiUtCreateInternalObject (ACPI_TYPE_LOCAL_REFERENCE);
+    if (!ObjDesc)
+    {
+        return_ACPI_STATUS (AE_NO_MEMORY);
+    }
+
+    /* Install the new table into the local data structures */
+
+    TableInfo.Pointer      = Table;
+    TableInfo.Length       = (ACPI_SIZE) Table->Length;
+    TableInfo.Allocation   = ACPI_MEM_ALLOCATED;
+
+    Status = AcpiTbInstallTable (&TableInfo);
+    if (ACPI_FAILURE (Status))
+    {
+        goto Cleanup;
+    }
+
+    /* Add the table to the namespace */
+
+    Status = AcpiNsLoadTable (TableInfo.InstalledDesc, ParentNode);
+    if (ACPI_FAILURE (Status))
+    {
+        /* Uninstall table on error */
+
+        (void) AcpiTbUninstallTable (TableInfo.InstalledDesc);
+        goto Cleanup;
+    }
+
+    /* Init the table handle */
+
+    ObjDesc->Reference.Opcode = AML_LOAD_OP;
+    ObjDesc->Reference.Object = TableInfo.InstalledDesc;
+    *DdbHandle = ObjDesc;
+    return_ACPI_STATUS (AE_OK);
+
+
+Cleanup:
+    AcpiUtRemoveReference (ObjDesc);
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiExLoadTableOp
+ *
+ * PARAMETERS:  WalkState           - Current state with operands
+ *              ReturnDesc          - Where to store the return object
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Load an ACPI table
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiExLoadTableOp (
+    ACPI_WALK_STATE         *WalkState,
+    ACPI_OPERAND_OBJECT     **ReturnDesc)
+{
+    ACPI_STATUS             Status;
+    ACPI_OPERAND_OBJECT     **Operand = &WalkState->Operands[0];
+    ACPI_TABLE_HEADER       *Table;
+    ACPI_NAMESPACE_NODE     *ParentNode;
+    ACPI_NAMESPACE_NODE     *StartNode;
+    ACPI_NAMESPACE_NODE     *ParameterNode = NULL;
+    ACPI_OPERAND_OBJECT     *DdbHandle;
+
+
+    ACPI_FUNCTION_TRACE ("ExLoadTableOp");
+
+
+#if 0
+    /*
+     * Make sure that the signature does not match one of the tables that
+     * is already loaded.
+     */
+    Status = AcpiTbMatchSignature (Operand[0]->String.Pointer, NULL);
+    if (Status == AE_OK)
+    {
+        /* Signature matched -- don't allow override */
+
+        return_ACPI_STATUS (AE_ALREADY_EXISTS);
+    }
+#endif
+
+    /* Find the ACPI table */
+
+    Status = AcpiTbFindTable (Operand[0]->String.Pointer,
+                              Operand[1]->String.Pointer,
+                              Operand[2]->String.Pointer, &Table);
+    if (ACPI_FAILURE (Status))
+    {
+        if (Status != AE_NOT_FOUND)
+        {
+            return_ACPI_STATUS (Status);
+        }
+
+        /* Not found, return an Integer=0 and AE_OK */
+
+        DdbHandle = AcpiUtCreateInternalObject (ACPI_TYPE_INTEGER);
+        if (!DdbHandle)
+        {
+            return_ACPI_STATUS (AE_NO_MEMORY);
+        }
+
+        DdbHandle->Integer.Value = 0;
+        *ReturnDesc = DdbHandle;
+
+        return_ACPI_STATUS (AE_OK);
+    }
+
+    /* Default nodes */
+
+    StartNode = WalkState->ScopeInfo->Scope.Node;
+    ParentNode = AcpiGbl_RootNode;
+
+    /* RootPath (optional parameter) */
+
+    if (Operand[3]->String.Length > 0)
+    {
+        /*
+         * Find the node referenced by the RootPathString.  This is the
+         * location within the namespace where the table will be loaded.
+         */
+        Status = AcpiNsGetNodeByPath (Operand[3]->String.Pointer, StartNode,
+                                        ACPI_NS_SEARCH_PARENT, &ParentNode);
+        if (ACPI_FAILURE (Status))
+        {
+            return_ACPI_STATUS (Status);
+        }
+    }
+
+    /* ParameterPath (optional parameter) */
+
+    if (Operand[4]->String.Length > 0)
+    {
+        if ((Operand[4]->String.Pointer[0] != '\\') &&
+            (Operand[4]->String.Pointer[0] != '^'))
+        {
+            /*
+             * Path is not absolute, so it will be relative to the node
+             * referenced by the RootPathString (or the NS root if omitted)
+             */
+            StartNode = ParentNode;
+        }
+
+        /*
+         * Find the node referenced by the ParameterPathString
+         */
+        Status = AcpiNsGetNodeByPath (Operand[4]->String.Pointer, StartNode,
+                                        ACPI_NS_SEARCH_PARENT, &ParameterNode);
+        if (ACPI_FAILURE (Status))
+        {
+            return_ACPI_STATUS (Status);
+        }
+    }
+
+    /* Load the table into the namespace */
+
+    Status = AcpiExAddTable (Table, ParentNode, &DdbHandle);
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    /* Parameter Data (optional) */
+
+    if (ParameterNode)
+    {
+        /* Store the parameter data into the optional parameter object */
+
+        Status = AcpiExStore (Operand[5], ACPI_CAST_PTR (ACPI_OPERAND_OBJECT, ParameterNode),
+                                WalkState);
+        if (ACPI_FAILURE (Status))
+        {
+            (void) AcpiExUnloadTable (DdbHandle);
+        }
+    }
+
+    return_ACPI_STATUS  (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiExLoadOp
+ *
+ * PARAMETERS:  ObjDesc         - Region or Field where the table will be
+ *                                obtained
+ *              Target          - Where a handle to the table will be stored
+ *              WalkState       - Current state
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Load an ACPI table from a field or operation region
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiExLoadOp (
+    ACPI_OPERAND_OBJECT     *ObjDesc,
+    ACPI_OPERAND_OBJECT     *Target,
+    ACPI_WALK_STATE         *WalkState)
+{
+    ACPI_STATUS             Status;
+    ACPI_OPERAND_OBJECT     *DdbHandle;
+    ACPI_OPERAND_OBJECT     *BufferDesc = NULL;
+    ACPI_TABLE_HEADER       *TablePtr = NULL;
+    UINT8                   *TableDataPtr;
+    ACPI_TABLE_HEADER       TableHeader;
+    UINT32                  i;
+
+    ACPI_FUNCTION_TRACE ("ExLoadOp");
+
+
+    /* Object can be either an OpRegion or a Field */
+
+    switch (ACPI_GET_OBJECT_TYPE (ObjDesc))
+    {
+    case ACPI_TYPE_REGION:
+
+        ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Load from Region %p %s\n",
+            ObjDesc, AcpiUtGetObjectTypeName (ObjDesc)));
+
+        /* Get the table header */
+
+        TableHeader.Length = 0;
+        for (i = 0; i < sizeof (ACPI_TABLE_HEADER); i++)
+        {
+            Status = AcpiEvAddressSpaceDispatch (ObjDesc, ACPI_READ,
+                                (ACPI_PHYSICAL_ADDRESS) i, 8,
+                                ((UINT8 *) &TableHeader) + i);
+            if (ACPI_FAILURE (Status))
+            {
+                return_ACPI_STATUS (Status);
+            }
+        }
+
+        /* Allocate a buffer for the entire table */
+
+        TablePtr = ACPI_MEM_ALLOCATE (TableHeader.Length);
+        if (!TablePtr)
+        {
+            return_ACPI_STATUS (AE_NO_MEMORY);
+        }
+
+        /* Copy the header to the buffer */
+
+        ACPI_MEMCPY (TablePtr, &TableHeader, sizeof (ACPI_TABLE_HEADER));
+        TableDataPtr = ACPI_PTR_ADD (UINT8, TablePtr, sizeof (ACPI_TABLE_HEADER));
+
+        /* Get the table from the op region */
+
+        for (i = 0; i < TableHeader.Length; i++)
+        {
+            Status = AcpiEvAddressSpaceDispatch (ObjDesc, ACPI_READ,
+                                (ACPI_PHYSICAL_ADDRESS) i, 8,
+                                ((UINT8 *) TableDataPtr + i));
+            if (ACPI_FAILURE (Status))
+            {
+                goto Cleanup;
+            }
+        }
+        break;
+
+
+    case ACPI_TYPE_BUFFER_FIELD:
+    case ACPI_TYPE_LOCAL_REGION_FIELD:
+    case ACPI_TYPE_LOCAL_BANK_FIELD:
+    case ACPI_TYPE_LOCAL_INDEX_FIELD:
+
+        ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Load from Field %p %s\n",
+            ObjDesc, AcpiUtGetObjectTypeName (ObjDesc)));
+
+        /*
+         * The length of the field must be at least as large as the table.
+         * Read the entire field and thus the entire table.  Buffer is
+         * allocated during the read.
+         */
+        Status = AcpiExReadDataFromField (WalkState, ObjDesc, &BufferDesc);
+        if (ACPI_FAILURE (Status))
+        {
+            goto Cleanup;
+        }
+
+        TablePtr = ACPI_CAST_PTR (ACPI_TABLE_HEADER, BufferDesc->Buffer.Pointer);
+        break;
+
+
+    default:
+        return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
+    }
+
+    /* The table must be either an SSDT or a PSDT */
+
+    if ((!ACPI_STRNCMP (TablePtr->Signature,
+                    AcpiGbl_AcpiTableData[ACPI_TABLE_PSDT].Signature,
+                    AcpiGbl_AcpiTableData[ACPI_TABLE_PSDT].SigLength)) &&
+        (!ACPI_STRNCMP (TablePtr->Signature,
+                    AcpiGbl_AcpiTableData[ACPI_TABLE_SSDT].Signature,
+                    AcpiGbl_AcpiTableData[ACPI_TABLE_SSDT].SigLength)))
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+            "Table has invalid signature [%4.4s], must be SSDT or PSDT\n",
+            TablePtr->Signature));
+        Status = AE_BAD_SIGNATURE;
+        goto Cleanup;
+    }
+
+    /* Install the new table into the local data structures */
+
+    Status = AcpiExAddTable (TablePtr, AcpiGbl_RootNode, &DdbHandle);
+    if (ACPI_FAILURE (Status))
+    {
+        goto Cleanup;
+    }
+
+    /* Store the DdbHandle into the Target operand */
+
+    Status = AcpiExStore (DdbHandle, Target, WalkState);
+    if (ACPI_FAILURE (Status))
+    {
+        (void) AcpiExUnloadTable (DdbHandle);
+    }
+
+    return_ACPI_STATUS (Status);
+
+
+Cleanup:
+
+    if (BufferDesc)
+    {
+        AcpiUtRemoveReference (BufferDesc);
+    }
+    else
+    {
+        ACPI_MEM_FREE (TablePtr);
+    }
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiExUnloadTable
+ *
+ * PARAMETERS:  DdbHandle           - Handle to a previously loaded table
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Unload an ACPI table
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiExUnloadTable (
+    ACPI_OPERAND_OBJECT     *DdbHandle)
+{
+    ACPI_STATUS             Status = AE_NOT_IMPLEMENTED;
+    ACPI_OPERAND_OBJECT     *TableDesc = DdbHandle;
+    ACPI_TABLE_DESC         *TableInfo;
+
+
+    ACPI_FUNCTION_TRACE ("ExUnloadTable");
+
+
+    /*
+     * Validate the handle
+     * Although the handle is partially validated in AcpiExReconfiguration(),
+     * when it calls AcpiExResolveOperands(), the handle is more completely
+     * validated here.
+     */
+    if ((!DdbHandle) ||
+        (ACPI_GET_DESCRIPTOR_TYPE (DdbHandle) != ACPI_DESC_TYPE_OPERAND) ||
+        (ACPI_GET_OBJECT_TYPE (DdbHandle) != ACPI_TYPE_LOCAL_REFERENCE))
+    {
+        return_ACPI_STATUS (AE_BAD_PARAMETER);
+    }
+
+    /* Get the actual table descriptor from the DdbHandle */
+
+    TableInfo = (ACPI_TABLE_DESC *) TableDesc->Reference.Object;
+
+    /*
+     * Delete the entire namespace under this table Node
+     * (Offset contains the TableId)
+     */
+    AcpiNsDeleteNamespaceByOwner (TableInfo->TableId);
+
+    /* Delete the table itself */
+
+    (void) AcpiTbUninstallTable (TableInfo->InstalledDesc);
+
+    /* Delete the table descriptor (DdbHandle) */
+
+    AcpiUtRemoveReference (TableDesc);
+    return_ACPI_STATUS (Status);
+}
+
diff --git a/sys/contrib/dev/acpica/exconvrt.c b/sys/contrib/dev/acpica/exconvrt.c
new file mode 100644
index 0000000..f5937f1
--- /dev/null
+++ b/sys/contrib/dev/acpica/exconvrt.c
@@ -0,0 +1,803 @@
+/******************************************************************************
+ *
+ * Module Name: exconvrt - Object conversion routines
+ *              $Revision: 44 $
+ *
+ *****************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+
+#define __EXCONVRT_C__
+
+#include "acpi.h"
+#include "acinterp.h"
+#include "amlcode.h"
+
+
+#define _COMPONENT          ACPI_EXECUTER
+        ACPI_MODULE_NAME    ("exconvrt")
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiExConvertToInteger
+ *
+ * PARAMETERS:  *ObjDesc        - Object to be converted.  Must be an
+ *                                Integer, Buffer, or String
+ *              WalkState       - Current method state
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Convert an ACPI Object to an integer.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiExConvertToInteger (
+    ACPI_OPERAND_OBJECT     *ObjDesc,
+    ACPI_OPERAND_OBJECT     **ResultDesc,
+    ACPI_WALK_STATE         *WalkState)
+{
+    UINT32                  i;
+    ACPI_OPERAND_OBJECT     *RetDesc;
+    UINT32                  Count;
+    UINT8                   *Pointer;
+    ACPI_INTEGER            Result;
+    ACPI_STATUS             Status;
+
+
+    ACPI_FUNCTION_TRACE_PTR ("ExConvertToInteger", ObjDesc);
+
+
+    switch (ACPI_GET_OBJECT_TYPE (ObjDesc))
+    {
+    case ACPI_TYPE_INTEGER:
+        *ResultDesc = ObjDesc;
+        return_ACPI_STATUS (AE_OK);
+
+    case ACPI_TYPE_STRING:
+        Pointer = (UINT8 *) ObjDesc->String.Pointer;
+        Count   = ObjDesc->String.Length;
+        break;
+
+    case ACPI_TYPE_BUFFER:
+        Pointer = ObjDesc->Buffer.Pointer;
+        Count   = ObjDesc->Buffer.Length;
+        break;
+
+    default:
+        return_ACPI_STATUS (AE_TYPE);
+    }
+
+    /*
+     * Convert the buffer/string to an integer.  Note that both buffers and
+     * strings are treated as raw data - we don't convert ascii to hex for
+     * strings.
+     *
+     * There are two terminating conditions for the loop:
+     * 1) The size of an integer has been reached, or
+     * 2) The end of the buffer or string has been reached
+     */
+    Result = 0;
+
+    /* Transfer no more than an integer's worth of data */
+
+    if (Count > AcpiGbl_IntegerByteWidth)
+    {
+        Count = AcpiGbl_IntegerByteWidth;
+    }
+
+    /*
+     * String conversion is different than Buffer conversion
+     */
+    switch (ACPI_GET_OBJECT_TYPE (ObjDesc))
+    {
+    case ACPI_TYPE_STRING:
+
+        /*
+         * Convert string to an integer
+         * String must be hexadecimal as per the ACPI specification
+         */
+        Status = AcpiUtStrtoul64 ((char *) Pointer, 16, &Result);
+        if (ACPI_FAILURE (Status))
+        {
+            return_ACPI_STATUS (Status);
+        }
+        break;
+
+
+    case ACPI_TYPE_BUFFER:
+
+        /*
+         * Buffer conversion - we simply grab enough raw data from the
+         * buffer to fill an integer
+         */
+        for (i = 0; i < Count; i++)
+        {
+            /*
+             * Get next byte and shift it into the Result.
+             * Little endian is used, meaning that the first byte of the buffer
+             * is the LSB of the integer
+             */
+            Result |= (((ACPI_INTEGER) Pointer[i]) << (i * 8));
+        }
+        break;
+
+
+    default:
+        /* No other types can get here */
+        break;
+    }
+
+    /*
+     * Create a new integer
+     */
+    RetDesc = AcpiUtCreateInternalObject (ACPI_TYPE_INTEGER);
+    if (!RetDesc)
+    {
+        return_ACPI_STATUS (AE_NO_MEMORY);
+    }
+
+    /* Save the Result */
+
+    RetDesc->Integer.Value = Result;
+
+    /*
+     * If we are about to overwrite the original object on the operand stack,
+     * we must remove a reference on the original object because we are
+     * essentially removing it from the stack.
+     */
+    if (*ResultDesc == ObjDesc)
+    {
+        if (WalkState->Opcode != AML_STORE_OP)
+        {
+            AcpiUtRemoveReference (ObjDesc);
+        }
+    }
+
+    *ResultDesc = RetDesc;
+    return_ACPI_STATUS (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiExConvertToBuffer
+ *
+ * PARAMETERS:  *ObjDesc        - Object to be converted.  Must be an
+ *                                Integer, Buffer, or String
+ *              WalkState       - Current method state
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Convert an ACPI Object to a Buffer
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiExConvertToBuffer (
+    ACPI_OPERAND_OBJECT     *ObjDesc,
+    ACPI_OPERAND_OBJECT     **ResultDesc,
+    ACPI_WALK_STATE         *WalkState)
+{
+    ACPI_OPERAND_OBJECT     *RetDesc;
+    UINT32                  i;
+    UINT8                   *NewBuf;
+
+
+    ACPI_FUNCTION_TRACE_PTR ("ExConvertToBuffer", ObjDesc);
+
+
+    switch (ACPI_GET_OBJECT_TYPE (ObjDesc))
+    {
+    case ACPI_TYPE_BUFFER:
+
+        /* No conversion necessary */
+
+        *ResultDesc = ObjDesc;
+        return_ACPI_STATUS (AE_OK);
+
+
+    case ACPI_TYPE_INTEGER:
+
+        /*
+         * Create a new Buffer object.
+         * Need enough space for one integer 
+         */
+        RetDesc = AcpiUtCreateBufferObject (AcpiGbl_IntegerByteWidth);
+        if (!RetDesc)
+        {
+            return_ACPI_STATUS (AE_NO_MEMORY);
+        }
+
+        /* Copy the integer to the buffer */
+
+        NewBuf = RetDesc->Buffer.Pointer;
+        for (i = 0; i < AcpiGbl_IntegerByteWidth; i++)
+        {
+            NewBuf[i] = (UINT8) (ObjDesc->Integer.Value >> (i * 8));
+        }
+        break;
+
+
+    case ACPI_TYPE_STRING:
+
+        /*
+         * Create a new Buffer object
+         * Size will be the string length
+         */
+        RetDesc = AcpiUtCreateBufferObject (ObjDesc->String.Length);
+        if (!RetDesc)
+        {
+            return_ACPI_STATUS (AE_NO_MEMORY);
+        }
+
+        /* Copy the string to the buffer */
+
+        NewBuf = RetDesc->Buffer.Pointer;
+        ACPI_STRNCPY ((char *) NewBuf, (char *) ObjDesc->String.Pointer, 
+            ObjDesc->String.Length);
+        break;
+
+
+    default:
+        return_ACPI_STATUS (AE_TYPE);
+    }
+
+    /* Mark buffer initialized */
+
+    RetDesc->Common.Flags |= AOPOBJ_DATA_VALID;
+
+    /*
+     * If we are about to overwrite the original object on the operand stack,
+     * we must remove a reference on the original object because we are
+     * essentially removing it from the stack.
+     */
+    if (*ResultDesc == ObjDesc)
+    {
+        if (WalkState->Opcode != AML_STORE_OP)
+        {
+            AcpiUtRemoveReference (ObjDesc);
+        }
+    }
+
+    *ResultDesc = RetDesc;
+    return_ACPI_STATUS (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiExConvertAscii
+ *
+ * PARAMETERS:  Integer         - Value to be converted
+ *              Base            - 10 or 16
+ *              String          - Where the string is returned
+ *
+ * RETURN:      Actual string length
+ *
+ * DESCRIPTION: Convert an ACPI Integer to a hex or decimal string
+ *
+ ******************************************************************************/
+
+UINT32
+AcpiExConvertToAscii (
+    ACPI_INTEGER            Integer,
+    UINT32                  Base,
+    UINT8                   *String)
+{
+    UINT32                  i;
+    UINT32                  j;
+    UINT32                  k = 0;
+    char                    HexDigit;
+    ACPI_INTEGER            Digit;
+    UINT32                  Remainder;
+    UINT32                  Length = sizeof (ACPI_INTEGER);
+    BOOLEAN                 LeadingZero = TRUE;
+
+
+    ACPI_FUNCTION_ENTRY ();
+
+
+    switch (Base)
+    {
+    case 10:
+
+        Remainder = 0;
+        for (i = ACPI_MAX_DECIMAL_DIGITS; i > 0 ; i--)
+        {
+            /* Divide by nth factor of 10 */
+
+            Digit = Integer;
+            for (j = 1; j < i; j++)
+            {
+                (void) AcpiUtShortDivide (&Digit, 10, &Digit, &Remainder);
+            }
+
+            /* Create the decimal digit */
+
+            if (Digit != 0)
+            {
+                LeadingZero = FALSE;
+            }
+
+            if (!LeadingZero)
+            {
+                String[k] = (UINT8) (ACPI_ASCII_ZERO + Remainder);
+                k++;
+            }
+        }
+        break;
+
+    case 16:
+
+        /* Copy the integer to the buffer */
+
+        for (i = 0, j = ((Length * 2) -1); i < (Length * 2); i++, j--)
+        {
+
+            HexDigit = AcpiUtHexToAsciiChar (Integer, (j * 4));
+            if (HexDigit != ACPI_ASCII_ZERO)
+            {
+                LeadingZero = FALSE;
+            }
+
+            if (!LeadingZero)
+            {
+                String[k] = (UINT8) HexDigit;
+                k++;
+            }
+        }
+        break;
+
+    default:
+        break;
+    }
+
+    /*
+     * Since leading zeros are supressed, we must check for the case where
+     * the integer equals 0.
+     *
+     * Finally, null terminate the string and return the length
+     */
+    if (!k)
+    {
+        String [0] = ACPI_ASCII_ZERO;
+        k = 1;
+    }
+    String [k] = 0;
+
+    return (k);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiExConvertToString
+ *
+ * PARAMETERS:  *ObjDesc        - Object to be converted.  Must be an
+ *                                Integer, Buffer, or String
+ *              WalkState       - Current method state
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Convert an ACPI Object to a string
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiExConvertToString (
+    ACPI_OPERAND_OBJECT     *ObjDesc,
+    ACPI_OPERAND_OBJECT     **ResultDesc,
+    UINT32                  Base,
+    UINT32                  MaxLength,
+    ACPI_WALK_STATE         *WalkState)
+{
+    ACPI_OPERAND_OBJECT     *RetDesc;
+    UINT32                  i;
+    UINT32                  Index;
+    UINT32                  StringLength;
+    UINT8                   *NewBuf;
+    UINT8                   *Pointer;
+
+
+    ACPI_FUNCTION_TRACE_PTR ("ExConvertToString", ObjDesc);
+
+
+    switch (ACPI_GET_OBJECT_TYPE (ObjDesc))
+    {
+    case ACPI_TYPE_STRING:
+
+        if (MaxLength >= ObjDesc->String.Length)
+        {
+            *ResultDesc = ObjDesc;
+            return_ACPI_STATUS (AE_OK);
+        }
+        else
+        {
+            /* Must copy the string first and then truncate it */
+
+            return_ACPI_STATUS (AE_NOT_IMPLEMENTED);
+        }
+
+
+    case ACPI_TYPE_INTEGER:
+
+        StringLength = AcpiGbl_IntegerByteWidth * 2;
+        if (Base == 10)
+        {
+            StringLength = ACPI_MAX_DECIMAL_DIGITS;
+        }
+
+        /*
+         * Create a new String
+         */
+        RetDesc = AcpiUtCreateInternalObject (ACPI_TYPE_STRING);
+        if (!RetDesc)
+        {
+            return_ACPI_STATUS (AE_NO_MEMORY);
+        }
+
+        /* Need enough space for one ASCII integer plus null terminator */
+
+        NewBuf = ACPI_MEM_CALLOCATE ((ACPI_SIZE) StringLength + 1);
+        if (!NewBuf)
+        {
+            ACPI_REPORT_ERROR
+                (("ExConvertToString: Buffer allocation failure\n"));
+            AcpiUtRemoveReference (RetDesc);
+            return_ACPI_STATUS (AE_NO_MEMORY);
+        }
+
+        /* Convert */
+
+        i = AcpiExConvertToAscii (ObjDesc->Integer.Value, Base, NewBuf);
+
+        /* Null terminate at the correct place */
+
+        if (MaxLength < i)
+        {
+            NewBuf[MaxLength] = 0;
+            RetDesc->String.Length = MaxLength;
+        }
+        else
+        {
+            NewBuf [i] = 0;
+            RetDesc->String.Length = i;
+        }
+
+        RetDesc->Buffer.Pointer = NewBuf;
+        break;
+
+
+    case ACPI_TYPE_BUFFER:
+
+        StringLength = ObjDesc->Buffer.Length * 3;
+        if (Base == 10)
+        {
+            StringLength = ObjDesc->Buffer.Length * 4;
+        }
+
+        if (MaxLength > ACPI_MAX_STRING_CONVERSION)
+        {
+            if (StringLength > ACPI_MAX_STRING_CONVERSION)
+            {
+                return_ACPI_STATUS (AE_AML_STRING_LIMIT);
+            }
+        }
+
+        /*
+         * Create a new string object
+         */
+        RetDesc = AcpiUtCreateInternalObject (ACPI_TYPE_STRING);
+        if (!RetDesc)
+        {
+            return_ACPI_STATUS (AE_NO_MEMORY);
+        }
+
+        /* String length is the lesser of the Max or the actual length */
+
+        if (MaxLength < StringLength)
+        {
+            StringLength = MaxLength;
+        }
+
+        NewBuf = ACPI_MEM_CALLOCATE ((ACPI_SIZE) StringLength + 1);
+        if (!NewBuf)
+        {
+            ACPI_REPORT_ERROR
+                (("ExConvertToString: Buffer allocation failure\n"));
+            AcpiUtRemoveReference (RetDesc);
+            return_ACPI_STATUS (AE_NO_MEMORY);
+        }
+
+        /*
+         * Convert each byte of the buffer to two ASCII characters plus a space.
+         */
+        Pointer = ObjDesc->Buffer.Pointer;
+        Index = 0;
+        for (i = 0, Index = 0; i < ObjDesc->Buffer.Length; i++)
+        {
+            Index = AcpiExConvertToAscii ((ACPI_INTEGER) Pointer[i], Base, &NewBuf[Index]);
+
+            NewBuf[Index] = ' ';
+            Index++;
+        }
+
+        /* Null terminate */
+
+        NewBuf [Index-1] = 0;
+        RetDesc->Buffer.Pointer = NewBuf;
+        RetDesc->String.Length = (UINT32) ACPI_STRLEN ((char *) NewBuf);
+        break;
+
+
+    default:
+        return_ACPI_STATUS (AE_TYPE);
+    }
+
+
+    /*
+     * If we are about to overwrite the original object on the operand stack,
+     * we must remove a reference on the original object because we are
+     * essentially removing it from the stack.
+     */
+    if (*ResultDesc == ObjDesc)
+    {
+        if (WalkState->Opcode != AML_STORE_OP)
+        {
+            AcpiUtRemoveReference (ObjDesc);
+        }
+    }
+
+    *ResultDesc = RetDesc;
+    return_ACPI_STATUS (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiExConvertToTargetType
+ *
+ * PARAMETERS:  DestinationType     - Current type of the destination
+ *              SourceDesc          - Source object to be converted.
+ *              WalkState           - Current method state
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Implements "implicit conversion" rules for storing an object.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiExConvertToTargetType (
+    ACPI_OBJECT_TYPE        DestinationType,
+    ACPI_OPERAND_OBJECT     *SourceDesc,
+    ACPI_OPERAND_OBJECT     **ResultDesc,
+    ACPI_WALK_STATE         *WalkState)
+{
+    ACPI_STATUS             Status = AE_OK;
+
+
+    ACPI_FUNCTION_TRACE ("ExConvertToTargetType");
+
+
+    /* Default behavior */
+
+    *ResultDesc = SourceDesc;
+
+    /*
+     * If required by the target,
+     * perform implicit conversion on the source before we store it.
+     */
+    switch (GET_CURRENT_ARG_TYPE (WalkState->OpInfo->RuntimeArgs))
+    {
+    case ARGI_SIMPLE_TARGET:
+    case ARGI_FIXED_TARGET:
+    case ARGI_INTEGER_REF:      /* Handles Increment, Decrement cases */
+
+        switch (DestinationType)
+        {
+        case ACPI_TYPE_LOCAL_REGION_FIELD:
+            /*
+             * Named field can always handle conversions
+             */
+            break;
+
+        default:
+            /* No conversion allowed for these types */
+
+            if (DestinationType != ACPI_GET_OBJECT_TYPE (SourceDesc))
+            {
+                ACPI_DEBUG_PRINT ((ACPI_DB_INFO,
+                    "Explicit operator, will store (%s) over existing type (%s)\n",
+                    AcpiUtGetObjectTypeName (SourceDesc),
+                    AcpiUtGetTypeName (DestinationType)));
+                Status = AE_TYPE;
+            }
+        }
+        break;
+
+
+    case ARGI_TARGETREF:
+
+        switch (DestinationType)
+        {
+        case ACPI_TYPE_INTEGER:
+        case ACPI_TYPE_BUFFER_FIELD:
+        case ACPI_TYPE_LOCAL_BANK_FIELD:
+        case ACPI_TYPE_LOCAL_INDEX_FIELD:
+            /*
+             * These types require an Integer operand.  We can convert
+             * a Buffer or a String to an Integer if necessary.
+             */
+            Status = AcpiExConvertToInteger (SourceDesc, ResultDesc, WalkState);
+            break;
+
+
+        case ACPI_TYPE_STRING:
+
+            /*
+             * The operand must be a String.  We can convert an
+             * Integer or Buffer if necessary
+             */
+            Status = AcpiExConvertToString (SourceDesc, ResultDesc, 16, ACPI_UINT32_MAX, WalkState);
+            break;
+
+
+        case ACPI_TYPE_BUFFER:
+
+            /*
+             * The operand must be a Buffer.  We can convert an
+             * Integer or String if necessary
+             */
+            Status = AcpiExConvertToBuffer (SourceDesc, ResultDesc, WalkState);
+            break;
+
+
+        default:
+            Status = AE_AML_INTERNAL;
+            break;
+        }
+        break;
+
+
+    case ARGI_REFERENCE:
+        /*
+         * CreateXxxxField cases - we are storing the field object into the name
+         */
+        break;
+
+
+    default:
+        ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+            "Unknown Target type ID 0x%X Op %s DestType %s\n",
+            GET_CURRENT_ARG_TYPE (WalkState->OpInfo->RuntimeArgs),
+            WalkState->OpInfo->Name, AcpiUtGetTypeName (DestinationType)));
+
+        Status = AE_AML_INTERNAL;
+    }
+
+    /*
+     * Source-to-Target conversion semantics:
+     *
+     * If conversion to the target type cannot be performed, then simply
+     * overwrite the target with the new object and type.
+     */
+    if (Status == AE_TYPE)
+    {
+        Status = AE_OK;
+    }
+
+    return_ACPI_STATUS (Status);
+}
+
+
diff --git a/sys/contrib/dev/acpica/excreate.c b/sys/contrib/dev/acpica/excreate.c
new file mode 100644
index 0000000..75fec44
--- /dev/null
+++ b/sys/contrib/dev/acpica/excreate.c
@@ -0,0 +1,728 @@
+/******************************************************************************
+ *
+ * Module Name: excreate - Named object creation
+ *              $Revision: 97 $
+ *
+ *****************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+#define __EXCREATE_C__
+
+#include "acpi.h"
+#include "acinterp.h"
+#include "amlcode.h"
+#include "acnamesp.h"
+#include "acevents.h"
+#include "actables.h"
+
+
+#define _COMPONENT          ACPI_EXECUTER
+        ACPI_MODULE_NAME    ("excreate")
+
+
+#ifndef ACPI_NO_METHOD_EXECUTION
+/*****************************************************************************
+ *
+ * FUNCTION:    AcpiExCreateAlias
+ *
+ * PARAMETERS:  WalkState            - Current state, contains operands
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Create a new named alias
+ *
+ ****************************************************************************/
+
+ACPI_STATUS
+AcpiExCreateAlias (
+    ACPI_WALK_STATE         *WalkState)
+{
+    ACPI_NAMESPACE_NODE     *TargetNode;
+    ACPI_NAMESPACE_NODE     *AliasNode;
+    ACPI_STATUS             Status = AE_OK;
+
+
+    ACPI_FUNCTION_TRACE ("ExCreateAlias");
+
+
+    /* Get the source/alias operands (both namespace nodes) */
+
+    AliasNode =  (ACPI_NAMESPACE_NODE *) WalkState->Operands[0];
+    TargetNode = (ACPI_NAMESPACE_NODE *) WalkState->Operands[1];
+
+    if (TargetNode->Type == ACPI_TYPE_LOCAL_ALIAS)
+    {
+        /* 
+         * Dereference an existing alias so that we don't create a chain
+         * of aliases.  With this code, we guarantee that an alias is
+         * always exactly one level of indirection away from the 
+         * actual aliased name.
+         */
+        TargetNode = (ACPI_NAMESPACE_NODE *) TargetNode->Object;
+    }
+
+    /*
+     * For objects that can never change (i.e., the NS node will
+     * permanently point to the same object), we can simply attach
+     * the object to the new NS node.  For other objects (such as
+     * Integers, buffers, etc.), we have to point the Alias node
+     * to the original Node.
+     */
+    switch (TargetNode->Type)
+    {
+    case ACPI_TYPE_INTEGER:
+    case ACPI_TYPE_STRING:
+    case ACPI_TYPE_BUFFER:
+    case ACPI_TYPE_PACKAGE:
+    case ACPI_TYPE_BUFFER_FIELD:
+
+        /*
+         * The new alias has the type ALIAS and points to the original
+         * NS node, not the object itself.  This is because for these
+         * types, the object can change dynamically via a Store.
+         */
+        AliasNode->Type = ACPI_TYPE_LOCAL_ALIAS;
+        AliasNode->Object = ACPI_CAST_PTR (ACPI_OPERAND_OBJECT, TargetNode);
+        break;
+
+    default:
+
+        /* Attach the original source object to the new Alias Node */
+
+        /*
+         * The new alias assumes the type of the target, and it points
+         * to the same object.  The reference count of the object has an
+         * additional reference to prevent deletion out from under either the
+         * target node or the alias Node
+         */
+        Status = AcpiNsAttachObject (AliasNode,
+                                AcpiNsGetAttachedObject (TargetNode),
+                                TargetNode->Type);
+        break;
+    }
+
+    /* Since both operands are Nodes, we don't need to delete them */
+
+    return_ACPI_STATUS (Status);
+}
+
+
+/*****************************************************************************
+ *
+ * FUNCTION:    AcpiExCreateEvent
+ *
+ * PARAMETERS:  WalkState           - Current state
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Create a new event object
+ *
+ ****************************************************************************/
+
+ACPI_STATUS
+AcpiExCreateEvent (
+    ACPI_WALK_STATE         *WalkState)
+{
+    ACPI_STATUS             Status;
+    ACPI_OPERAND_OBJECT     *ObjDesc;
+
+
+    ACPI_FUNCTION_TRACE ("ExCreateEvent");
+
+
+    ObjDesc = AcpiUtCreateInternalObject (ACPI_TYPE_EVENT);
+    if (!ObjDesc)
+    {
+        Status = AE_NO_MEMORY;
+        goto Cleanup;
+    }
+
+    /*
+     * Create the actual OS semaphore, with zero initial units -- meaning
+     * that the event is created in an unsignalled state
+     */
+    Status = AcpiOsCreateSemaphore (ACPI_NO_UNIT_LIMIT, 0,
+                                    &ObjDesc->Event.Semaphore);
+    if (ACPI_FAILURE (Status))
+    {
+        goto Cleanup;
+    }
+
+    /* Attach object to the Node */
+
+    Status = AcpiNsAttachObject ((ACPI_NAMESPACE_NODE *) WalkState->Operands[0],
+                                    ObjDesc, ACPI_TYPE_EVENT);
+
+Cleanup:
+    /*
+     * Remove local reference to the object (on error, will cause deletion
+     * of both object and semaphore if present.)
+     */
+    AcpiUtRemoveReference (ObjDesc);
+    return_ACPI_STATUS (Status);
+}
+
+
+/*****************************************************************************
+ *
+ * FUNCTION:    AcpiExCreateMutex
+ *
+ * PARAMETERS:  WalkState           - Current state
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Create a new mutex object
+ *
+ *              Mutex (Name[0], SyncLevel[1])
+ *
+ ****************************************************************************/
+
+ACPI_STATUS
+AcpiExCreateMutex (
+    ACPI_WALK_STATE         *WalkState)
+{
+    ACPI_STATUS             Status = AE_OK;
+    ACPI_OPERAND_OBJECT     *ObjDesc;
+
+
+    ACPI_FUNCTION_TRACE_PTR ("ExCreateMutex", ACPI_WALK_OPERANDS);
+
+
+    /* Create the new mutex object */
+
+    ObjDesc = AcpiUtCreateInternalObject (ACPI_TYPE_MUTEX);
+    if (!ObjDesc)
+    {
+        Status = AE_NO_MEMORY;
+        goto Cleanup;
+    }
+
+    /*
+     * Create the actual OS semaphore.
+     * One unit max to make it a mutex, with one initial unit to allow
+     * the mutex to be acquired.
+     */
+    Status = AcpiOsCreateSemaphore (1, 1, &ObjDesc->Mutex.Semaphore);
+    if (ACPI_FAILURE (Status))
+    {
+        goto Cleanup;
+    }
+
+    /* Init object and attach to NS node */
+
+    ObjDesc->Mutex.SyncLevel = (UINT8) WalkState->Operands[1]->Integer.Value;
+    ObjDesc->Mutex.Node = (ACPI_NAMESPACE_NODE *) WalkState->Operands[0];
+
+    Status = AcpiNsAttachObject (ObjDesc->Mutex.Node,
+                ObjDesc, ACPI_TYPE_MUTEX);
+
+
+Cleanup:
+    /*
+     * Remove local reference to the object (on error, will cause deletion
+     * of both object and semaphore if present.)
+     */
+    AcpiUtRemoveReference (ObjDesc);
+    return_ACPI_STATUS (Status);
+}
+
+
+/*****************************************************************************
+ *
+ * FUNCTION:    AcpiExCreateRegion
+ *
+ * PARAMETERS:  AmlStart            - Pointer to the region declaration AML
+ *              AmlLength           - Max length of the declaration AML
+ *              Operands            - List of operands for the opcode
+ *              WalkState           - Current state
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Create a new operation region object
+ *
+ ****************************************************************************/
+
+ACPI_STATUS
+AcpiExCreateRegion (
+    UINT8                   *AmlStart,
+    UINT32                  AmlLength,
+    UINT8                   RegionSpace,
+    ACPI_WALK_STATE         *WalkState)
+{
+    ACPI_STATUS             Status;
+    ACPI_OPERAND_OBJECT     *ObjDesc;
+    ACPI_NAMESPACE_NODE     *Node;
+    ACPI_OPERAND_OBJECT     *RegionObj2;
+
+
+    ACPI_FUNCTION_TRACE ("ExCreateRegion");
+
+
+    /* Get the Node from the object stack  */
+
+    Node = WalkState->Op->Common.Node;
+
+    /*
+     * If the region object is already attached to this node,
+     * just return
+     */
+    if (AcpiNsGetAttachedObject (Node))
+    {
+        return_ACPI_STATUS (AE_OK);
+    }
+
+    /*
+     * Space ID must be one of the predefined IDs, or in the user-defined
+     * range
+     */
+    if ((RegionSpace >= ACPI_NUM_PREDEFINED_REGIONS) &&
+        (RegionSpace < ACPI_USER_REGION_BEGIN))
+    {
+        ACPI_REPORT_ERROR (("Invalid AddressSpace type %X\n", RegionSpace));
+        return_ACPI_STATUS (AE_AML_INVALID_SPACE_ID);
+    }
+
+    ACPI_DEBUG_PRINT ((ACPI_DB_LOAD, "Region Type - %s (%X)\n",
+                    AcpiUtGetRegionName (RegionSpace), RegionSpace));
+
+
+    /* Create the region descriptor */
+
+    ObjDesc = AcpiUtCreateInternalObject (ACPI_TYPE_REGION);
+    if (!ObjDesc)
+    {
+        Status = AE_NO_MEMORY;
+        goto Cleanup;
+    }
+
+    /*
+     * Remember location in AML stream of address & length
+     * operands since they need to be evaluated at run time.
+     */
+    RegionObj2                  = ObjDesc->Common.NextObject;
+    RegionObj2->Extra.AmlStart  = AmlStart;
+    RegionObj2->Extra.AmlLength = AmlLength;
+
+    /* Init the region from the operands */
+
+    ObjDesc->Region.SpaceId = RegionSpace;
+    ObjDesc->Region.Address = 0;
+    ObjDesc->Region.Length  = 0;
+    ObjDesc->Region.Node    = Node;
+
+    /* Install the new region object in the parent Node */
+
+    Status = AcpiNsAttachObject (Node, ObjDesc, ACPI_TYPE_REGION);
+
+
+Cleanup:
+
+    /* Remove local reference to the object */
+
+    AcpiUtRemoveReference (ObjDesc);
+    return_ACPI_STATUS (Status);
+}
+
+
+/*****************************************************************************
+ *
+ * FUNCTION:    AcpiExCreateTableRegion
+ *
+ * PARAMETERS:  WalkState           - Current state
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Create a new DataTableRegion object
+ *
+ ****************************************************************************/
+
+ACPI_STATUS
+AcpiExCreateTableRegion (
+    ACPI_WALK_STATE         *WalkState)
+{
+    ACPI_STATUS             Status;
+    ACPI_OPERAND_OBJECT     **Operand = &WalkState->Operands[0];
+    ACPI_OPERAND_OBJECT     *ObjDesc;
+    ACPI_NAMESPACE_NODE     *Node;
+    ACPI_TABLE_HEADER       *Table;
+    ACPI_OPERAND_OBJECT     *RegionObj2;
+
+
+    ACPI_FUNCTION_TRACE ("ExCreateTableRegion");
+
+    /* Get the Node from the object stack  */
+
+    Node = WalkState->Op->Common.Node;
+
+    /*
+     * If the region object is already attached to this node,
+     * just return
+     */
+    if (AcpiNsGetAttachedObject (Node))
+    {
+        return_ACPI_STATUS (AE_OK);
+    }
+
+    /* Find the ACPI table */
+
+    Status = AcpiTbFindTable (Operand[1]->String.Pointer,
+                              Operand[2]->String.Pointer,
+                              Operand[3]->String.Pointer, &Table);
+
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    /* Create the region descriptor */
+
+    ObjDesc = AcpiUtCreateInternalObject (ACPI_TYPE_REGION);
+    if (!ObjDesc)
+    {
+        return_ACPI_STATUS (AE_NO_MEMORY);
+    }
+
+    RegionObj2                      = ObjDesc->Common.NextObject;
+    RegionObj2->Extra.RegionContext = NULL;
+
+    /* Init the region from the operands */
+
+    ObjDesc->Region.SpaceId = REGION_DATA_TABLE;
+    ObjDesc->Region.Address = (ACPI_PHYSICAL_ADDRESS) ACPI_TO_INTEGER (Table);
+    ObjDesc->Region.Length  = Table->Length;
+    ObjDesc->Region.Node    = Node;
+    ObjDesc->Region.Flags   = AOPOBJ_DATA_VALID;
+
+    /* Install the new region object in the parent Node */
+
+    Status = AcpiNsAttachObject (Node, ObjDesc, ACPI_TYPE_REGION);
+    if (ACPI_FAILURE (Status))
+    {
+        goto Cleanup;
+    }
+
+    Status = AcpiEvInitializeRegion (ObjDesc, FALSE);
+    if (ACPI_FAILURE (Status))
+    {
+        if (Status == AE_NOT_EXIST)
+        {
+            Status = AE_OK;
+        }
+        else
+        {
+            goto Cleanup;
+        }
+    }
+
+    ObjDesc->Region.Flags |= AOPOBJ_SETUP_COMPLETE;
+
+
+Cleanup:
+
+    /* Remove local reference to the object */
+
+    AcpiUtRemoveReference (ObjDesc);
+    return_ACPI_STATUS (Status);
+}
+
+
+/*****************************************************************************
+ *
+ * FUNCTION:    AcpiExCreateProcessor
+ *
+ * PARAMETERS:  WalkState           - Current state
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Create a new processor object and populate the fields
+ *
+ *              Processor (Name[0], CpuID[1], PblockAddr[2], PblockLength[3])
+ *
+ ****************************************************************************/
+
+ACPI_STATUS
+AcpiExCreateProcessor (
+    ACPI_WALK_STATE         *WalkState)
+{
+    ACPI_OPERAND_OBJECT     **Operand = &WalkState->Operands[0];
+    ACPI_OPERAND_OBJECT     *ObjDesc;
+    ACPI_STATUS             Status;
+
+
+    ACPI_FUNCTION_TRACE_PTR ("ExCreateProcessor", WalkState);
+
+
+    /* Create the processor object */
+
+    ObjDesc = AcpiUtCreateInternalObject (ACPI_TYPE_PROCESSOR);
+    if (!ObjDesc)
+    {
+        return_ACPI_STATUS (AE_NO_MEMORY);
+    }
+
+    /*
+     * Initialize the processor object from the operands
+     */
+    ObjDesc->Processor.ProcId  = (UINT8)           Operand[1]->Integer.Value;
+    ObjDesc->Processor.Address = (ACPI_IO_ADDRESS) Operand[2]->Integer.Value;
+    ObjDesc->Processor.Length  = (UINT8)           Operand[3]->Integer.Value;
+
+    /* Install the processor object in the parent Node */
+
+    Status = AcpiNsAttachObject ((ACPI_NAMESPACE_NODE *) Operand[0],
+                    ObjDesc, ACPI_TYPE_PROCESSOR);
+
+
+    /* Remove local reference to the object */
+
+    AcpiUtRemoveReference (ObjDesc);
+    return_ACPI_STATUS (Status);
+}
+
+
+/*****************************************************************************
+ *
+ * FUNCTION:    AcpiExCreatePowerResource
+ *
+ * PARAMETERS:  WalkState           - Current state
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Create a new PowerResource object and populate the fields
+ *
+ *              PowerResource (Name[0], SystemLevel[1], ResourceOrder[2])
+ *
+ ****************************************************************************/
+
+ACPI_STATUS
+AcpiExCreatePowerResource (
+    ACPI_WALK_STATE         *WalkState)
+{
+    ACPI_OPERAND_OBJECT     **Operand = &WalkState->Operands[0];
+    ACPI_STATUS             Status;
+    ACPI_OPERAND_OBJECT     *ObjDesc;
+
+
+    ACPI_FUNCTION_TRACE_PTR ("ExCreatePowerResource", WalkState);
+
+
+    /* Create the power resource object */
+
+    ObjDesc = AcpiUtCreateInternalObject (ACPI_TYPE_POWER);
+    if (!ObjDesc)
+    {
+        return_ACPI_STATUS (AE_NO_MEMORY);
+    }
+
+    /* Initialize the power object from the operands */
+
+    ObjDesc->PowerResource.SystemLevel   = (UINT8)  Operand[1]->Integer.Value;
+    ObjDesc->PowerResource.ResourceOrder = (UINT16) Operand[2]->Integer.Value;
+
+    /* Install the  power resource object in the parent Node */
+
+    Status = AcpiNsAttachObject ((ACPI_NAMESPACE_NODE *) Operand[0],
+                    ObjDesc, ACPI_TYPE_POWER);
+
+
+    /* Remove local reference to the object */
+
+    AcpiUtRemoveReference (ObjDesc);
+    return_ACPI_STATUS (Status);
+}
+
+#endif
+
+/*****************************************************************************
+ *
+ * FUNCTION:    AcpiExCreateMethod
+ *
+ * PARAMETERS:  AmlStart        - First byte of the method's AML
+ *              AmlLength       - AML byte count for this method
+ *              WalkState       - Current state
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Create a new method object
+ *
+ ****************************************************************************/
+
+ACPI_STATUS
+AcpiExCreateMethod (
+    UINT8                   *AmlStart,
+    UINT32                  AmlLength,
+    ACPI_WALK_STATE         *WalkState)
+{
+    ACPI_OPERAND_OBJECT     **Operand = &WalkState->Operands[0];
+    ACPI_OPERAND_OBJECT     *ObjDesc;
+    ACPI_STATUS             Status;
+    UINT8                   MethodFlags;
+
+
+    ACPI_FUNCTION_TRACE_PTR ("ExCreateMethod", WalkState);
+
+
+    /* Create a new method object */
+
+    ObjDesc = AcpiUtCreateInternalObject (ACPI_TYPE_METHOD);
+    if (!ObjDesc)
+    {
+       return_ACPI_STATUS (AE_NO_MEMORY);
+    }
+
+    /* Save the method's AML pointer and length  */
+
+    ObjDesc->Method.AmlStart  = AmlStart;
+    ObjDesc->Method.AmlLength = AmlLength;
+
+    /* disassemble the method flags */
+
+    MethodFlags = (UINT8) Operand[1]->Integer.Value;
+
+    ObjDesc->Method.MethodFlags = MethodFlags;
+    ObjDesc->Method.ParamCount  = (UINT8) (MethodFlags & METHOD_FLAGS_ARG_COUNT);
+
+    /*
+     * Get the concurrency count.  If required, a semaphore will be
+     * created for this method when it is parsed.
+     */
+    if (MethodFlags & METHOD_FLAGS_SERIALIZED)
+    {
+        /*
+         * ACPI 1.0: Concurrency = 1
+         * ACPI 2.0: Concurrency = (SyncLevel (in method declaration) + 1)
+         */
+        ObjDesc->Method.Concurrency = (UINT8)
+                        (((MethodFlags & METHOD_FLAGS_SYNCH_LEVEL) >> 4) + 1);
+    }
+
+    else
+    {
+        ObjDesc->Method.Concurrency = INFINITE_CONCURRENCY;
+    }
+
+    /* Attach the new object to the method Node */
+
+    Status = AcpiNsAttachObject ((ACPI_NAMESPACE_NODE *) Operand[0],
+                    ObjDesc, ACPI_TYPE_METHOD);
+
+    /* Remove local reference to the object */
+
+    AcpiUtRemoveReference (ObjDesc);
+
+    /* Remove a reference to the operand */
+
+    AcpiUtRemoveReference (Operand[1]);
+    return_ACPI_STATUS (Status);
+}
+
+
diff --git a/sys/contrib/dev/acpica/exdump.c b/sys/contrib/dev/acpica/exdump.c
new file mode 100644
index 0000000..9e2be80
--- /dev/null
+++ b/sys/contrib/dev/acpica/exdump.c
@@ -0,0 +1,901 @@
+/******************************************************************************
+ *
+ * Module Name: exdump - Interpreter debug output routines
+ *              $Revision: 163 $
+ *
+ *****************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+#define __EXDUMP_C__
+
+#include "acpi.h"
+#include "acinterp.h"
+#include "amlcode.h"
+#include "acnamesp.h"
+#include "acparser.h"
+
+#define _COMPONENT          ACPI_EXECUTER
+        ACPI_MODULE_NAME    ("exdump")
+
+
+/*
+ * The following routines are used for debug output only
+ */
+
+#if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER)
+
+/*****************************************************************************
+ *
+ * FUNCTION:    AcpiExDumpOperand
+ *
+ * PARAMETERS:  *ObjDesc          - Pointer to entry to be dumped
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Dump an operand object
+ *
+ ****************************************************************************/
+
+void
+AcpiExDumpOperand (
+    ACPI_OPERAND_OBJECT     *ObjDesc)
+{
+    UINT8                   *Buf = NULL;
+    UINT32                  Length;
+    ACPI_OPERAND_OBJECT     **Element;
+    UINT16                  ElementIndex;
+
+
+    ACPI_FUNCTION_NAME ("ExDumpOperand")
+
+
+    if (!((ACPI_LV_EXEC & AcpiDbgLevel) && (_COMPONENT & AcpiDbgLayer)))
+    {
+        return;
+    }
+
+    if (!ObjDesc)
+    {
+        /*
+         * This usually indicates that something serious is wrong --
+         * since most (if not all)
+         * code that dumps the stack expects something to be there!
+         */
+        AcpiOsPrintf ("Null stack entry ptr\n");
+        return;
+    }
+
+    if (ACPI_GET_DESCRIPTOR_TYPE (ObjDesc) == ACPI_DESC_TYPE_NAMED)
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "%p NS Node: ", ObjDesc));
+        ACPI_DUMP_ENTRY (ObjDesc, ACPI_LV_EXEC);
+        return;
+    }
+
+    if (ACPI_GET_DESCRIPTOR_TYPE (ObjDesc) != ACPI_DESC_TYPE_OPERAND)
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "%p is not a local object\n", ObjDesc));
+        ACPI_DUMP_BUFFER (ObjDesc, sizeof (ACPI_OPERAND_OBJECT));
+        return;
+    }
+
+    /*  ObjDesc is a valid object  */
+
+    ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "%p ", ObjDesc));
+
+    switch (ACPI_GET_OBJECT_TYPE (ObjDesc))
+    {
+    case ACPI_TYPE_LOCAL_REFERENCE:
+
+        switch (ObjDesc->Reference.Opcode)
+        {
+        case AML_DEBUG_OP:
+
+            AcpiOsPrintf ("Reference: Debug\n");
+            break;
+
+
+        case AML_NAME_OP:
+
+            ACPI_DUMP_PATHNAME (ObjDesc->Reference.Object, "Reference: Name: ",
+                            ACPI_LV_INFO, _COMPONENT);
+            ACPI_DUMP_ENTRY (ObjDesc->Reference.Object, ACPI_LV_INFO);
+            break;
+
+
+        case AML_INDEX_OP:
+
+            AcpiOsPrintf ("Reference: Index %p\n",
+                        ObjDesc->Reference.Object);
+            break;
+
+
+        case AML_REF_OF_OP:
+
+            AcpiOsPrintf ("Reference: (RefOf) %p\n",
+                        ObjDesc->Reference.Object);
+            break;
+
+
+        case AML_ARG_OP:
+
+            AcpiOsPrintf ("Reference: Arg%d",
+                        ObjDesc->Reference.Offset);
+
+            if (ACPI_GET_OBJECT_TYPE (ObjDesc) == ACPI_TYPE_INTEGER)
+            {
+                /* Value is a Number */
+
+                AcpiOsPrintf (" value is [%8.8X%8.8x]",
+                            ACPI_HIDWORD(ObjDesc->Integer.Value),
+                            ACPI_LODWORD(ObjDesc->Integer.Value));
+            }
+
+            AcpiOsPrintf ("\n");
+            break;
+
+
+        case AML_LOCAL_OP:
+
+            AcpiOsPrintf ("Reference: Local%d",
+                        ObjDesc->Reference.Offset);
+
+            if (ACPI_GET_OBJECT_TYPE (ObjDesc) == ACPI_TYPE_INTEGER)
+            {
+
+                /* Value is a Number */
+
+                AcpiOsPrintf (" value is [%8.8X%8.8x]",
+                            ACPI_HIDWORD(ObjDesc->Integer.Value),
+                            ACPI_LODWORD(ObjDesc->Integer.Value));
+            }
+
+            AcpiOsPrintf ("\n");
+            break;
+
+
+        case AML_INT_NAMEPATH_OP:
+
+            AcpiOsPrintf ("Reference.Node->Name %X\n",
+                        ObjDesc->Reference.Node->Name.Integer);
+            break;
+
+
+        default:
+
+            /*  unknown opcode  */
+
+            AcpiOsPrintf ("Unknown Reference opcode=%X\n",
+                ObjDesc->Reference.Opcode);
+            break;
+
+        }
+
+        break;
+
+
+    case ACPI_TYPE_BUFFER:
+
+        AcpiOsPrintf ("Buffer len %X @ %p \n",
+                    ObjDesc->Buffer.Length,
+                    ObjDesc->Buffer.Pointer);
+
+        Length = ObjDesc->Buffer.Length;
+
+        if (Length > 64)
+        {
+            Length = 64;
+        }
+
+        /* Debug only -- dump the buffer contents */
+
+        if (ObjDesc->Buffer.Pointer)
+        {
+            AcpiOsPrintf ("Buffer Contents: ");
+
+            for (Buf = ObjDesc->Buffer.Pointer; Length--; ++Buf)
+            {
+                AcpiOsPrintf (" %02x", *Buf);
+            }
+            AcpiOsPrintf ("\n");
+        }
+
+        break;
+
+
+    case ACPI_TYPE_INTEGER:
+
+        AcpiOsPrintf ("Integer %8.8X%8.8X\n",
+                    ACPI_HIDWORD (ObjDesc->Integer.Value),
+                    ACPI_LODWORD (ObjDesc->Integer.Value));
+        break;
+
+
+    case ACPI_TYPE_PACKAGE:
+
+        AcpiOsPrintf ("Package count %X @ %p\n",
+                    ObjDesc->Package.Count, ObjDesc->Package.Elements);
+
+        /*
+         * If elements exist, package vector pointer is valid,
+         * and debug_level exceeds 1, dump package's elements.
+         */
+        if (ObjDesc->Package.Count &&
+            ObjDesc->Package.Elements &&
+            AcpiDbgLevel > 1)
+        {
+            for (ElementIndex = 0, Element = ObjDesc->Package.Elements;
+                  ElementIndex < ObjDesc->Package.Count;
+                  ++ElementIndex, ++Element)
+            {
+                AcpiExDumpOperand (*Element);
+            }
+        }
+        AcpiOsPrintf ("\n");
+        break;
+
+
+    case ACPI_TYPE_REGION:
+
+        AcpiOsPrintf ("Region %s (%X)",
+            AcpiUtGetRegionName (ObjDesc->Region.SpaceId),
+            ObjDesc->Region.SpaceId);
+
+        /*
+         * If the address and length have not been evaluated,
+         * don't print them.
+         */
+        if (!(ObjDesc->Region.Flags & AOPOBJ_DATA_VALID))
+        {
+            AcpiOsPrintf ("\n");
+        }
+        else
+        {
+            AcpiOsPrintf (" base %8.8X%8.8X Length %X\n",
+                ACPI_HIDWORD (ObjDesc->Region.Address),
+                ACPI_LODWORD (ObjDesc->Region.Address),
+                ObjDesc->Region.Length);
+        }
+        break;
+
+
+    case ACPI_TYPE_STRING:
+
+        AcpiOsPrintf ("String length %X @ %p ",
+                    ObjDesc->String.Length, ObjDesc->String.Pointer);
+        AcpiUtPrintString (ObjDesc->String.Pointer, ACPI_UINT8_MAX);
+        AcpiOsPrintf ("\n");
+        break;
+
+
+    case ACPI_TYPE_LOCAL_BANK_FIELD:
+
+        AcpiOsPrintf ("BankField\n");
+        break;
+
+
+    case ACPI_TYPE_LOCAL_REGION_FIELD:
+
+        AcpiOsPrintf (
+            "RegionField: Bits=%X AccWidth=%X Lock=%X Update=%X at byte=%X bit=%X of below:\n",
+            ObjDesc->Field.BitLength, ObjDesc->Field.AccessByteWidth,
+            ObjDesc->Field.FieldFlags & AML_FIELD_LOCK_RULE_MASK,
+            ObjDesc->Field.FieldFlags & AML_FIELD_UPDATE_RULE_MASK,
+            ObjDesc->Field.BaseByteOffset, ObjDesc->Field.StartFieldBitOffset);
+        ACPI_DUMP_STACK_ENTRY (ObjDesc->Field.RegionObj);
+        break;
+
+
+    case ACPI_TYPE_LOCAL_INDEX_FIELD:
+
+        AcpiOsPrintf ("IndexField\n");
+        break;
+
+
+    case ACPI_TYPE_BUFFER_FIELD:
+
+        AcpiOsPrintf (
+            "BufferField: %X bits at byte %X bit %X of \n",
+            ObjDesc->BufferField.BitLength, ObjDesc->BufferField.BaseByteOffset,
+            ObjDesc->BufferField.StartFieldBitOffset);
+
+        if (!ObjDesc->BufferField.BufferObj)
+        {
+            ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "*NULL* \n"));
+        }
+        else if (ACPI_GET_OBJECT_TYPE (ObjDesc->BufferField.BufferObj) != ACPI_TYPE_BUFFER)
+        {
+            AcpiOsPrintf ("*not a Buffer* \n");
+        }
+        else
+        {
+            ACPI_DUMP_STACK_ENTRY (ObjDesc->BufferField.BufferObj);
+        }
+
+        break;
+
+
+    case ACPI_TYPE_EVENT:
+
+        AcpiOsPrintf ("Event\n");
+        break;
+
+
+    case ACPI_TYPE_METHOD:
+
+        AcpiOsPrintf (
+            "Method(%X) @ %p:%X\n",
+            ObjDesc->Method.ParamCount,
+            ObjDesc->Method.AmlStart, ObjDesc->Method.AmlLength);
+        break;
+
+
+    case ACPI_TYPE_MUTEX:
+
+        AcpiOsPrintf ("Mutex\n");
+        break;
+
+
+    case ACPI_TYPE_DEVICE:
+
+        AcpiOsPrintf ("Device\n");
+        break;
+
+
+    case ACPI_TYPE_POWER:
+
+        AcpiOsPrintf ("Power\n");
+        break;
+
+
+    case ACPI_TYPE_PROCESSOR:
+
+        AcpiOsPrintf ("Processor\n");
+        break;
+
+
+    case ACPI_TYPE_THERMAL:
+
+        AcpiOsPrintf ("Thermal\n");
+        break;
+
+
+    default:
+        /* Unknown Type */
+
+        AcpiOsPrintf ("Unknown Type %X\n", ACPI_GET_OBJECT_TYPE (ObjDesc));
+        break;
+    }
+
+    return;
+}
+
+
+/*****************************************************************************
+ *
+ * FUNCTION:    AcpiExDumpOperands
+ *
+ * PARAMETERS:  InterpreterMode      - Load or Exec
+ *              *Ident              - Identification
+ *              NumLevels           - # of stack entries to dump above line
+ *              *Note               - Output notation
+ *
+ * DESCRIPTION: Dump the object stack
+ *
+ ****************************************************************************/
+
+void
+AcpiExDumpOperands (
+    ACPI_OPERAND_OBJECT     **Operands,
+    ACPI_INTERPRETER_MODE   InterpreterMode,
+    NATIVE_CHAR             *Ident,
+    UINT32                  NumLevels,
+    NATIVE_CHAR             *Note,
+    NATIVE_CHAR             *ModuleName,
+    UINT32                  LineNumber)
+{
+    NATIVE_UINT             i;
+    ACPI_OPERAND_OBJECT     **ObjDesc;
+
+
+    ACPI_FUNCTION_NAME ("ExDumpOperands");
+
+
+    if (!Ident)
+    {
+        Ident = "?";
+    }
+
+    if (!Note)
+    {
+        Note = "?";
+    }
+
+    ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
+        "************* Operand Stack Contents (Opcode [%s], %d Operands)\n",
+        Ident, NumLevels));
+
+    if (NumLevels == 0)
+    {
+        NumLevels = 1;
+    }
+
+    /* Dump the operand stack starting at the top */
+
+    for (i = 0; NumLevels > 0; i--, NumLevels--)
+    {
+        ObjDesc = &Operands[i];
+        AcpiExDumpOperand (*ObjDesc);
+    }
+
+    ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
+        "************* Stack dump from %s(%d), %s\n",
+        ModuleName, LineNumber, Note));
+    return;
+}
+
+
+/*****************************************************************************
+ *
+ * FUNCTION:    AcpiExOut*
+ *
+ * PARAMETERS:  Title               - Descriptive text
+ *              Value               - Value to be displayed
+ *
+ * DESCRIPTION: Object dump output formatting functions.  These functions
+ *              reduce the number of format strings required and keeps them
+ *              all in one place for easy modification.
+ *
+ ****************************************************************************/
+
+void
+AcpiExOutString (
+    char                    *Title,
+    char                    *Value)
+{
+    AcpiOsPrintf ("%20s : %s\n", Title, Value);
+}
+
+void
+AcpiExOutPointer (
+    char                    *Title,
+    void                    *Value)
+{
+    AcpiOsPrintf ("%20s : %p\n", Title, Value);
+}
+
+void
+AcpiExOutInteger (
+    char                    *Title,
+    UINT32                  Value)
+{
+    AcpiOsPrintf ("%20s : %X\n", Title, Value);
+}
+
+void
+AcpiExOutAddress (
+    char                    *Title,
+    ACPI_PHYSICAL_ADDRESS   Value)
+{
+
+#if ACPI_MACHINE_WIDTH == 16
+    AcpiOsPrintf ("%20s : %p\n", Title, Value);
+#else
+    AcpiOsPrintf ("%20s : %8.8X%8.8X\n", Title,
+                ACPI_HIDWORD (Value), ACPI_LODWORD (Value));
+#endif
+}
+
+
+/*****************************************************************************
+ *
+ * FUNCTION:    AcpiExDumpNode
+ *
+ * PARAMETERS:  *Node           - Descriptor to dump
+ *              Flags               - Force display
+ *
+ * DESCRIPTION: Dumps the members of the given.Node
+ *
+ ****************************************************************************/
+
+void
+AcpiExDumpNode (
+    ACPI_NAMESPACE_NODE     *Node,
+    UINT32                  Flags)
+{
+
+    ACPI_FUNCTION_ENTRY ();
+
+
+    if (!Flags)
+    {
+        if (!((ACPI_LV_OBJECTS & AcpiDbgLevel) && (_COMPONENT & AcpiDbgLayer)))
+        {
+            return;
+        }
+    }
+
+    AcpiOsPrintf ("%20s : %4.4s\n",       "Name", Node->Name.Ascii);
+    AcpiExOutString  ("Type",             AcpiUtGetTypeName (Node->Type));
+    AcpiExOutInteger ("Flags",            Node->Flags);
+    AcpiExOutInteger ("Owner Id",         Node->OwnerId);
+    AcpiExOutInteger ("Reference Count",  Node->ReferenceCount);
+    AcpiExOutPointer ("Attached Object",  AcpiNsGetAttachedObject (Node));
+    AcpiExOutPointer ("ChildList",        Node->Child);
+    AcpiExOutPointer ("NextPeer",         Node->Peer);
+    AcpiExOutPointer ("Parent",           AcpiNsGetParentNode (Node));
+}
+
+
+/*****************************************************************************
+ *
+ * FUNCTION:    AcpiExDumpObjectDescriptor
+ *
+ * PARAMETERS:  *Object             - Descriptor to dump
+ *              Flags               - Force display
+ *
+ * DESCRIPTION: Dumps the members of the object descriptor given.
+ *
+ ****************************************************************************/
+
+void
+AcpiExDumpObjectDescriptor (
+    ACPI_OPERAND_OBJECT     *ObjDesc,
+    UINT32                  Flags)
+{
+    UINT32                  i;
+
+
+    ACPI_FUNCTION_TRACE ("ExDumpObjectDescriptor");
+
+
+    if (!Flags)
+    {
+        if (!((ACPI_LV_OBJECTS & AcpiDbgLevel) && (_COMPONENT & AcpiDbgLayer)))
+        {
+            return_VOID;
+        }
+    }
+
+    if (ACPI_GET_DESCRIPTOR_TYPE (ObjDesc) == ACPI_DESC_TYPE_NAMED)
+    {
+        AcpiExDumpNode ((ACPI_NAMESPACE_NODE *) ObjDesc, Flags);
+        AcpiOsPrintf ("\nAttached Object (%p):\n", ((ACPI_NAMESPACE_NODE *) ObjDesc)->Object);
+        AcpiExDumpObjectDescriptor (((ACPI_NAMESPACE_NODE *) ObjDesc)->Object, Flags);
+        return;
+    }
+
+    if (ACPI_GET_DESCRIPTOR_TYPE (ObjDesc) != ACPI_DESC_TYPE_OPERAND)
+    {
+        AcpiOsPrintf ("ExDumpObjectDescriptor: %p is not a valid ACPI object\n", ObjDesc);
+        return_VOID;
+    }
+
+    /* Common Fields */
+
+    AcpiExOutString  ("Type",            AcpiUtGetObjectTypeName (ObjDesc));
+    AcpiExOutInteger ("Reference Count", ObjDesc->Common.ReferenceCount);
+    AcpiExOutInteger ("Flags",           ObjDesc->Common.Flags);
+
+    /* Object-specific Fields */
+
+    switch (ACPI_GET_OBJECT_TYPE (ObjDesc))
+    {
+    case ACPI_TYPE_INTEGER:
+
+        AcpiOsPrintf ("%20s : %8.8X%8.8X\n", "Value",
+                        ACPI_HIDWORD (ObjDesc->Integer.Value),
+                        ACPI_LODWORD (ObjDesc->Integer.Value));
+        break;
+
+
+    case ACPI_TYPE_STRING:
+
+        AcpiExOutInteger ("Length",          ObjDesc->String.Length);
+
+        AcpiOsPrintf ("%20s : %p  ", "Pointer", ObjDesc->String.Pointer);
+        AcpiUtPrintString (ObjDesc->String.Pointer, ACPI_UINT8_MAX);
+        AcpiOsPrintf ("\n");
+        break;
+
+
+    case ACPI_TYPE_BUFFER:
+
+        AcpiExOutInteger ("Length",          ObjDesc->Buffer.Length);
+        AcpiExOutPointer ("Pointer",         ObjDesc->Buffer.Pointer);
+        ACPI_DUMP_BUFFER (ObjDesc->Buffer.Pointer, ObjDesc->Buffer.Length);
+        break;
+
+
+    case ACPI_TYPE_PACKAGE:
+
+        AcpiExOutInteger ("Flags",           ObjDesc->Package.Flags);
+        AcpiExOutInteger ("Count",           ObjDesc->Package.Count);
+        AcpiExOutPointer ("Elements",        ObjDesc->Package.Elements);
+
+        /* Dump the package contents */
+
+        if (ObjDesc->Package.Count > 0)
+        {
+            AcpiOsPrintf ("\nPackage Contents:\n");
+            for (i = 0; i < ObjDesc->Package.Count; i++)
+            {
+                AcpiOsPrintf ("[%.3d] %p", i, ObjDesc->Package.Elements[i]);
+                if (ObjDesc->Package.Elements[i])
+                {
+                    AcpiOsPrintf (" %s", AcpiUtGetObjectTypeName (ObjDesc->Package.Elements[i]));
+                }
+                AcpiOsPrintf ("\n");
+            }
+        }
+        break;
+
+
+    case ACPI_TYPE_DEVICE:
+
+        AcpiExOutPointer ("AddrHandler",     ObjDesc->Device.AddrHandler);
+        AcpiExOutPointer ("SysHandler",      ObjDesc->Device.SysHandler);
+        AcpiExOutPointer ("DrvHandler",      ObjDesc->Device.DrvHandler);
+        break;
+
+
+    case ACPI_TYPE_EVENT:
+
+        AcpiExOutPointer ("Semaphore",       ObjDesc->Event.Semaphore);
+        break;
+
+
+    case ACPI_TYPE_METHOD:
+
+        AcpiExOutInteger ("ParamCount",      ObjDesc->Method.ParamCount);
+        AcpiExOutInteger ("Concurrency",     ObjDesc->Method.Concurrency);
+        AcpiExOutPointer ("Semaphore",       ObjDesc->Method.Semaphore);
+        AcpiExOutInteger ("OwningId",        ObjDesc->Method.OwningId);
+        AcpiExOutInteger ("AmlLength",       ObjDesc->Method.AmlLength);
+        AcpiExOutPointer ("AmlStart",        ObjDesc->Method.AmlStart);
+        break;
+
+
+    case ACPI_TYPE_MUTEX:
+
+        AcpiExOutInteger ("SyncLevel",       ObjDesc->Mutex.SyncLevel);
+        AcpiExOutPointer ("OwnerThread",     ObjDesc->Mutex.OwnerThread);
+        AcpiExOutInteger ("AcquisitionDepth",ObjDesc->Mutex.AcquisitionDepth);
+        AcpiExOutPointer ("Semaphore",       ObjDesc->Mutex.Semaphore);
+        break;
+
+
+    case ACPI_TYPE_REGION:
+
+        AcpiExOutInteger ("SpaceId",         ObjDesc->Region.SpaceId);
+        AcpiExOutInteger ("Flags",           ObjDesc->Region.Flags);
+        AcpiExOutAddress ("Address",         ObjDesc->Region.Address);
+        AcpiExOutInteger ("Length",          ObjDesc->Region.Length);
+        AcpiExOutPointer ("AddrHandler",     ObjDesc->Region.AddrHandler);
+        AcpiExOutPointer ("Next",            ObjDesc->Region.Next);
+        break;
+
+
+    case ACPI_TYPE_POWER:
+
+        AcpiExOutInteger ("SystemLevel",     ObjDesc->PowerResource.SystemLevel);
+        AcpiExOutInteger ("ResourceOrder",   ObjDesc->PowerResource.ResourceOrder);
+        AcpiExOutPointer ("SysHandler",      ObjDesc->PowerResource.SysHandler);
+        AcpiExOutPointer ("DrvHandler",      ObjDesc->PowerResource.DrvHandler);
+        break;
+
+
+    case ACPI_TYPE_PROCESSOR:
+
+        AcpiExOutInteger ("Processor ID",    ObjDesc->Processor.ProcId);
+        AcpiExOutInteger ("Length",          ObjDesc->Processor.Length);
+        AcpiExOutAddress ("Address",         (ACPI_PHYSICAL_ADDRESS) ObjDesc->Processor.Address);
+        AcpiExOutPointer ("SysHandler",      ObjDesc->Processor.SysHandler);
+        AcpiExOutPointer ("DrvHandler",      ObjDesc->Processor.DrvHandler);
+        AcpiExOutPointer ("AddrHandler",     ObjDesc->Processor.AddrHandler);
+        break;
+
+
+    case ACPI_TYPE_THERMAL:
+
+        AcpiExOutPointer ("SysHandler",      ObjDesc->ThermalZone.SysHandler);
+        AcpiExOutPointer ("DrvHandler",      ObjDesc->ThermalZone.DrvHandler);
+        AcpiExOutPointer ("AddrHandler",     ObjDesc->ThermalZone.AddrHandler);
+        break;
+
+
+    case ACPI_TYPE_BUFFER_FIELD:
+    case ACPI_TYPE_LOCAL_REGION_FIELD:
+    case ACPI_TYPE_LOCAL_BANK_FIELD:
+    case ACPI_TYPE_LOCAL_INDEX_FIELD:
+
+        AcpiExOutInteger ("FieldFlags",      ObjDesc->CommonField.FieldFlags);
+        AcpiExOutInteger ("AccessByteWidth", ObjDesc->CommonField.AccessByteWidth);
+        AcpiExOutInteger ("BitLength",       ObjDesc->CommonField.BitLength);
+        AcpiExOutInteger ("FldBitOffset",    ObjDesc->CommonField.StartFieldBitOffset);
+        AcpiExOutInteger ("BaseByteOffset",  ObjDesc->CommonField.BaseByteOffset);
+        AcpiExOutInteger ("DatumValidBits",  ObjDesc->CommonField.DatumValidBits);
+        AcpiExOutInteger ("EndFldValidBits", ObjDesc->CommonField.EndFieldValidBits);
+        AcpiExOutInteger ("EndBufValidBits", ObjDesc->CommonField.EndBufferValidBits);
+        AcpiExOutPointer ("ParentNode",      ObjDesc->CommonField.Node);
+
+        switch (ACPI_GET_OBJECT_TYPE (ObjDesc))
+        {
+        case ACPI_TYPE_BUFFER_FIELD:
+            AcpiExOutPointer ("BufferObj",       ObjDesc->BufferField.BufferObj);
+            break;
+
+        case ACPI_TYPE_LOCAL_REGION_FIELD:
+            AcpiExOutPointer ("RegionObj",       ObjDesc->Field.RegionObj);
+            break;
+
+        case ACPI_TYPE_LOCAL_BANK_FIELD:
+            AcpiExOutInteger ("Value",           ObjDesc->BankField.Value);
+            AcpiExOutPointer ("RegionObj",       ObjDesc->BankField.RegionObj);
+            AcpiExOutPointer ("BankObj",         ObjDesc->BankField.BankObj);
+            break;
+
+        case ACPI_TYPE_LOCAL_INDEX_FIELD:
+            AcpiExOutInteger ("Value",           ObjDesc->IndexField.Value);
+            AcpiExOutPointer ("Index",           ObjDesc->IndexField.IndexObj);
+            AcpiExOutPointer ("Data",            ObjDesc->IndexField.DataObj);
+            break;
+
+        default:
+            /* All object types covered above */
+            break;
+        }
+        break;
+
+
+    case ACPI_TYPE_LOCAL_REFERENCE:
+
+        AcpiExOutInteger ("TargetType",      ObjDesc->Reference.TargetType);
+        AcpiExOutString  ("Opcode",          (AcpiPsGetOpcodeInfo (ObjDesc->Reference.Opcode))->Name);
+        AcpiExOutInteger ("Offset",          ObjDesc->Reference.Offset);
+        AcpiExOutPointer ("ObjDesc",         ObjDesc->Reference.Object);
+        AcpiExOutPointer ("Node",            ObjDesc->Reference.Node);
+        AcpiExOutPointer ("Where",           ObjDesc->Reference.Where);
+        break;
+
+
+    case ACPI_TYPE_LOCAL_ADDRESS_HANDLER:
+
+        AcpiExOutInteger ("SpaceId",         ObjDesc->AddrHandler.SpaceId);
+        AcpiExOutPointer ("Next",            ObjDesc->AddrHandler.Next);
+        AcpiExOutPointer ("RegionList",      ObjDesc->AddrHandler.RegionList);
+        AcpiExOutPointer ("Node",            ObjDesc->AddrHandler.Node);
+        AcpiExOutPointer ("Context",         ObjDesc->AddrHandler.Context);
+        break;
+
+
+    case ACPI_TYPE_LOCAL_NOTIFY:
+
+        AcpiExOutPointer ("Node",            ObjDesc->NotifyHandler.Node);
+        AcpiExOutPointer ("Context",         ObjDesc->NotifyHandler.Context);
+        break;
+
+
+    case ACPI_TYPE_LOCAL_ALIAS:
+    case ACPI_TYPE_LOCAL_EXTRA:
+    case ACPI_TYPE_LOCAL_DATA:
+    default:
+
+        AcpiOsPrintf ("ExDumpObjectDescriptor: Display not implemented for object type %s\n",
+            AcpiUtGetObjectTypeName (ObjDesc));
+        break;
+    }
+
+    return_VOID;
+}
+
+#endif
+
diff --git a/sys/contrib/dev/acpica/exdyadic.c b/sys/contrib/dev/acpica/exdyadic.c
new file mode 100644
index 0000000..ef434a2
--- /dev/null
+++ b/sys/contrib/dev/acpica/exdyadic.c
@@ -0,0 +1,939 @@
+/******************************************************************************
+ *
+ * Module Name: exdyadic - ACPI AML execution for dyadic (2-operand) operators
+ *              $Revision: 91 $
+ *
+ *****************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999, 2000, 2001, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+
+#define __EXDYADIC_C__
+
+#include "acpi.h"
+#include "acparser.h"
+#include "acnamesp.h"
+#include "acinterp.h"
+#include "acevents.h"
+#include "amlcode.h"
+#include "acdispat.h"
+
+
+#define _COMPONENT          ACPI_EXECUTER
+        MODULE_NAME         ("exdyadic")
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiExDoConcatenate
+ *
+ * PARAMETERS:  *ObjDesc            - Object to be converted.  Must be an
+ *                                    Integer, Buffer, or String
+ *              WalkState           - Current walk state
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Concatenate two objects OF THE SAME TYPE.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiExDoConcatenate (
+    ACPI_OPERAND_OBJECT     *ObjDesc,
+    ACPI_OPERAND_OBJECT     *ObjDesc2,
+    ACPI_OPERAND_OBJECT     **ActualRetDesc,
+    ACPI_WALK_STATE         *WalkState)
+{
+    ACPI_STATUS             Status;
+    UINT32                  i;
+    ACPI_INTEGER            ThisInteger;
+    ACPI_OPERAND_OBJECT     *RetDesc;
+    NATIVE_CHAR             *NewBuf;
+    UINT32                  IntegerSize = sizeof (ACPI_INTEGER);
+
+
+    FUNCTION_ENTRY ();
+
+
+    /*
+     * There are three cases to handle:
+     * 1) Two Integers concatenated to produce a buffer
+     * 2) Two Strings concatenated to produce a string
+     * 3) Two Buffers concatenated to produce a buffer
+     */
+    switch (ObjDesc->Common.Type)
+    {
+    case ACPI_TYPE_INTEGER:
+
+        /* Handle both ACPI 1.0 and ACPI 2.0 Integer widths */
+
+        if (WalkState->MethodNode->Flags & ANOBJ_DATA_WIDTH_32)
+        {
+            /*
+             * We are running a method that exists in a 32-bit ACPI table.
+             * Truncate the value to 32 bits by zeroing out the upper
+             * 32-bit field
+             */
+            IntegerSize = sizeof (UINT32);
+        }
+
+        /* Result of two integers is a buffer */
+
+        RetDesc = AcpiUtCreateInternalObject (ACPI_TYPE_BUFFER);
+        if (!RetDesc)
+        {
+            return (AE_NO_MEMORY);
+        }
+
+        /* Need enough space for two integers */
+
+        RetDesc->Buffer.Length = IntegerSize * 2;
+        NewBuf = ACPI_MEM_CALLOCATE (RetDesc->Buffer.Length);
+        if (!NewBuf)
+        {
+            REPORT_ERROR
+                (("ExDoConcatenate: Buffer allocation failure\n"));
+            Status = AE_NO_MEMORY;
+            goto Cleanup;
+        }
+
+        RetDesc->Buffer.Pointer = (UINT8 *) NewBuf;
+
+        /* Convert the first integer */
+
+        ThisInteger = ObjDesc->Integer.Value;
+        for (i = 0; i < IntegerSize; i++)
+        {
+            NewBuf[i] = (UINT8) ThisInteger;
+            ThisInteger >>= 8;
+        }
+
+        /* Convert the second integer */
+
+        ThisInteger = ObjDesc2->Integer.Value;
+        for (; i < (IntegerSize * 2); i++)
+        {
+            NewBuf[i] = (UINT8) ThisInteger;
+            ThisInteger >>= 8;
+        }
+
+        break;
+
+
+    case ACPI_TYPE_STRING:
+
+        RetDesc = AcpiUtCreateInternalObject (ACPI_TYPE_STRING);
+        if (!RetDesc)
+        {
+            return (AE_NO_MEMORY);
+        }
+
+        /* Operand1 is string  */
+
+        NewBuf = ACPI_MEM_ALLOCATE (ObjDesc->String.Length +
+                                    ObjDesc2->String.Length + 1);
+        if (!NewBuf)
+        {
+            REPORT_ERROR
+                (("ExDoConcatenate: String allocation failure\n"));
+            Status = AE_NO_MEMORY;
+            goto Cleanup;
+        }
+
+        STRCPY (NewBuf, ObjDesc->String.Pointer);
+        STRCPY (NewBuf + ObjDesc->String.Length,
+                        ObjDesc2->String.Pointer);
+
+        /* Point the return object to the new string */
+
+        RetDesc->String.Pointer = NewBuf;
+        RetDesc->String.Length = ObjDesc->String.Length +=
+                                 ObjDesc2->String.Length;
+        break;
+
+
+    case ACPI_TYPE_BUFFER:
+
+        /* Operand1 is a buffer */
+
+        RetDesc = AcpiUtCreateInternalObject (ACPI_TYPE_BUFFER);
+        if (!RetDesc)
+        {
+            return (AE_NO_MEMORY);
+        }
+
+        NewBuf = ACPI_MEM_ALLOCATE (ObjDesc->Buffer.Length +
+                                    ObjDesc2->Buffer.Length);
+        if (!NewBuf)
+        {
+            REPORT_ERROR
+                (("ExDoConcatenate: Buffer allocation failure\n"));
+            Status = AE_NO_MEMORY;
+            goto Cleanup;
+        }
+
+        MEMCPY (NewBuf, ObjDesc->Buffer.Pointer,
+                        ObjDesc->Buffer.Length);
+        MEMCPY (NewBuf + ObjDesc->Buffer.Length, ObjDesc2->Buffer.Pointer,
+                        ObjDesc2->Buffer.Length);
+
+        /*
+         * Point the return object to the new buffer
+         */
+
+        RetDesc->Buffer.Pointer     = (UINT8 *) NewBuf;
+        RetDesc->Buffer.Length      = ObjDesc->Buffer.Length +
+                                      ObjDesc2->Buffer.Length;
+        break;
+
+    default:
+        Status = AE_AML_INTERNAL;
+        RetDesc = NULL;
+    }
+
+
+    *ActualRetDesc = RetDesc;
+    return (AE_OK);
+
+
+Cleanup:
+
+    AcpiUtRemoveReference (RetDesc);
+    return (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiExDyadic1
+ *
+ * PARAMETERS:  WalkState           - Current walk state
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Execute Type 1 dyadic operator with numeric operands:
+ *              NotifyOp
+ *
+ * ALLOCATION:  Deletes both operands
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiExDyadic1 (
+    ACPI_WALK_STATE         *WalkState)
+{
+    ACPI_OPERAND_OBJECT     **Operand = &WalkState->Operands[0];
+    ACPI_NAMESPACE_NODE     *Node;
+    ACPI_STATUS             Status = AE_OK;
+
+
+    FUNCTION_TRACE_PTR ("ExDyadic1", WALK_OPERANDS);
+
+
+
+    /* Examine the opcode */
+
+    switch (WalkState->Opcode)
+    {
+
+    case AML_NOTIFY_OP:         /* Notify (NotifyObject, NotifyValue) */
+
+        /* The first operand is a namespace node */
+
+        Node = (ACPI_NAMESPACE_NODE *) Operand[0];
+        Operand[0] = NULL;
+
+        /* The node must refer to a device or thermal zone */
+
+        if (Node && Operand[1])
+        {
+            switch (Node->Type)
+            {
+            case ACPI_TYPE_DEVICE:
+            case ACPI_TYPE_THERMAL:
+
+                /*
+                 * Dispatch the notify to the appropriate handler
+                 * NOTE: the request is queued for execution after this method
+                 * completes.  The notify handlers are NOT invoked synchronously
+                 * from this thread -- because handlers may in turn run other
+                 * control methods.
+                 */
+                Status = AcpiEvQueueNotifyRequest (Node,
+                                        (UINT32) Operand[1]->Integer.Value);
+                break;
+
+            default:
+                ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Unexpected notify object type %X\n",
+                    Node->Type));
+
+                Status = AE_AML_OPERAND_TYPE;
+                break;
+            }
+        }
+        break;
+
+    default:
+
+        REPORT_ERROR (("AcpiExDyadic1: Unknown dyadic opcode %X\n", WalkState->Opcode));
+        Status = AE_AML_BAD_OPCODE;
+    }
+
+
+    /* Always delete both operands */
+
+    AcpiUtRemoveReference (Operand[1]);
+    AcpiUtRemoveReference (Operand[0]);
+
+
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiExDyadic2R
+ *
+ * PARAMETERS:  WalkState           - Current walk state
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Execute Type 2 dyadic operator with numeric operands and
+ *              one or two result operands.
+ *
+ * ALLOCATION:  Deletes one operand descriptor -- other remains on stack
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiExDyadic2R (
+    ACPI_WALK_STATE         *WalkState)
+{
+    ACPI_OPERAND_OBJECT     **Operand = &WalkState->Operands[0];
+    ACPI_OPERAND_OBJECT     *RetDesc    = NULL;
+    ACPI_OPERAND_OBJECT     *RetDesc2   = NULL;
+    ACPI_STATUS             Status      = AE_OK;
+
+
+    FUNCTION_TRACE_U32 ("ExDyadic2R", WalkState->Opcode);
+
+
+    /* Create an internal return object if necessary */
+
+    switch (WalkState->Opcode)
+    {
+    case AML_ADD_OP:
+    case AML_BIT_AND_OP:
+    case AML_BIT_NAND_OP:
+    case AML_BIT_OR_OP:
+    case AML_BIT_NOR_OP:
+    case AML_BIT_XOR_OP:
+    case AML_DIVIDE_OP:
+    case AML_MOD_OP:
+    case AML_MULTIPLY_OP:
+    case AML_SHIFT_LEFT_OP:
+    case AML_SHIFT_RIGHT_OP:
+    case AML_SUBTRACT_OP:
+
+        RetDesc = AcpiUtCreateInternalObject (ACPI_TYPE_INTEGER);
+        if (!RetDesc)
+        {
+            Status = AE_NO_MEMORY;
+            goto Cleanup;
+        }
+
+        break;
+    }
+
+
+    /*
+     * Execute the opcode
+     */
+    switch (WalkState->Opcode)
+    {
+
+    case AML_ADD_OP:                /* Add (Operand1, Operand2, Result) */
+
+        RetDesc->Integer.Value = Operand[0]->Integer.Value +
+                                 Operand[1]->Integer.Value;
+        break;
+
+
+    case AML_BIT_AND_OP:            /* And (Operand1, Operand2, Result) */
+
+        RetDesc->Integer.Value = Operand[0]->Integer.Value &
+                                 Operand[1]->Integer.Value;
+        break;
+
+
+    case AML_BIT_NAND_OP:           /* NAnd (Operand1, Operand2, Result) */
+
+        RetDesc->Integer.Value = ~(Operand[0]->Integer.Value &
+                                   Operand[1]->Integer.Value);
+        break;
+
+
+    case AML_BIT_OR_OP:             /* Or (Operand1, Operand2, Result) */
+
+        RetDesc->Integer.Value = Operand[0]->Integer.Value |
+                                 Operand[1]->Integer.Value;
+        break;
+
+
+    case AML_BIT_NOR_OP:            /* NOr (Operand1, Operand2, Result) */
+
+        RetDesc->Integer.Value = ~(Operand[0]->Integer.Value |
+                                   Operand[1]->Integer.Value);
+        break;
+
+
+    case AML_BIT_XOR_OP:            /* XOr (Operand1, Operand2, Result) */
+
+        RetDesc->Integer.Value = Operand[0]->Integer.Value ^
+                                 Operand[1]->Integer.Value;
+        break;
+
+
+    case AML_DIVIDE_OP:             /* Divide (Dividend, Divisor, RemainderResult QuotientRsult) */
+
+        if (!Operand[1]->Integer.Value)
+        {
+            REPORT_ERROR (("DivideOp: Divide by zero\n"));
+
+            Status = AE_AML_DIVIDE_BY_ZERO;
+            goto Cleanup;
+        }
+
+        RetDesc2 = AcpiUtCreateInternalObject (ACPI_TYPE_INTEGER);
+        if (!RetDesc2)
+        {
+            Status = AE_NO_MEMORY;
+            goto Cleanup;
+        }
+
+        /* 
+         * RetDesc2 will contain the quotient, 
+         * RetDesc  will contain the remainder
+         */
+        Status = AcpiUtDivide (&Operand[0]->Integer.Value, &Operand[1]->Integer.Value,
+                        &RetDesc2->Integer.Value, &RetDesc->Integer.Value);
+
+        break;
+
+
+    case AML_MOD_OP:                /* Mod (Dividend, Divisor, RemainderResult (ACPI 2.0) */
+
+        if (!Operand[1]->Integer.Value)
+        {
+            REPORT_ERROR (("ModOp: Divide by zero\n"));
+
+            Status = AE_AML_DIVIDE_BY_ZERO;
+            goto Cleanup;
+        }
+
+        /* RetDesc will contain the remainder */
+
+        Status = AcpiUtDivide (&Operand[0]->Integer.Value, &Operand[1]->Integer.Value,
+                        NULL, &RetDesc->Integer.Value);
+
+        break;
+
+
+    case AML_MULTIPLY_OP:           /* Multiply (Operand1, Operand2, Result) */
+
+        RetDesc->Integer.Value = Operand[0]->Integer.Value *
+                                 Operand[1]->Integer.Value;
+        break;
+
+
+    case AML_SHIFT_LEFT_OP:         /* ShiftLeft (Operand, ShiftCount, Result) */
+
+        RetDesc->Integer.Value = Operand[0]->Integer.Value <<
+                                 Operand[1]->Integer.Value;
+        break;
+
+
+    case AML_SHIFT_RIGHT_OP:        /* ShiftRight (Operand, ShiftCount, Result) */
+
+        RetDesc->Integer.Value = Operand[0]->Integer.Value >>
+                                 Operand[1]->Integer.Value;
+        break;
+
+
+    case AML_SUBTRACT_OP:           /* Subtract (Operand1, Operand2, Result) */
+
+        RetDesc->Integer.Value = Operand[0]->Integer.Value -
+                                 Operand[1]->Integer.Value;
+        break;
+
+
+    case AML_CONCAT_OP:              /* Concatenate (Data1, Data2, Result) */
+
+        /*
+         * Convert the second operand if necessary.  The first operand
+         * determines the type of the second operand, (See the Data Types
+         * section of the ACPI specification.)  Both object types are
+         * guaranteed to be either Integer/String/Buffer by the operand
+         * resolution mechanism above.
+         */
+        switch (Operand[0]->Common.Type)
+        {
+        case ACPI_TYPE_INTEGER:
+            Status = AcpiExConvertToInteger (Operand[1], &Operand[1], WalkState);
+            break;
+
+        case ACPI_TYPE_STRING:
+            Status = AcpiExConvertToString (Operand[1], &Operand[1], 16, ACPI_UINT32_MAX, WalkState);
+            break;
+
+        case ACPI_TYPE_BUFFER:
+            Status = AcpiExConvertToBuffer (Operand[1], &Operand[1], WalkState);
+            break;
+
+        default:
+            Status = AE_AML_INTERNAL;
+        }
+
+        if (ACPI_FAILURE (Status))
+        {
+            goto Cleanup;
+        }
+
+        /*
+         * Both operands are now known to be the same object type
+         * (Both are Integer, String, or Buffer), and we can now perform the
+         * concatenation.
+         */
+        Status = AcpiExDoConcatenate (Operand[0], Operand[1], &RetDesc, WalkState);
+        if (ACPI_FAILURE (Status))
+        {
+            goto Cleanup;
+        }
+        break;
+
+
+    case AML_TO_STRING_OP:          /* ToString (Buffer, Length, Result) (ACPI 2.0) */
+
+        Status = AcpiExConvertToString (Operand[0], &RetDesc, 16,
+                        (UINT32) Operand[1]->Integer.Value, WalkState);
+        break;
+
+
+    case AML_CONCAT_RES_OP:         /* ConcatenateResTemplate (Buffer, Buffer, Result) (ACPI 2.0) */
+
+        Status = AE_NOT_IMPLEMENTED;
+        goto Cleanup;
+        break;
+
+
+    default:
+
+        REPORT_ERROR (("AcpiExDyadic2R: Unknown dyadic opcode %X\n",
+                WalkState->Opcode));
+        Status = AE_AML_BAD_OPCODE;
+        goto Cleanup;
+    }
+
+
+    /*
+     * Store the result of the operation (which is now in Operand[0]) into
+     * the result descriptor, or the location pointed to by the result
+     * descriptor (Operand[2]).
+     */
+    Status = AcpiExStore (RetDesc, Operand[2], WalkState);
+    if (ACPI_FAILURE (Status))
+    {
+        goto Cleanup;
+    }
+
+    if (AML_DIVIDE_OP == WalkState->Opcode)
+    {
+        Status = AcpiExStore (RetDesc2, Operand[3], WalkState);
+
+        /*
+         * Since the remainder is not returned, remove a reference to
+         * the object we created earlier
+         */
+        AcpiUtRemoveReference (RetDesc);
+        WalkState->ResultObj = RetDesc2;
+    }
+
+    else
+    {
+        WalkState->ResultObj = RetDesc;
+    }
+
+
+Cleanup:
+
+    /* Always delete the operands */
+
+    AcpiUtRemoveReference (Operand[0]);
+    AcpiUtRemoveReference (Operand[1]);
+
+
+    /* Delete return object on error */
+
+    if (ACPI_FAILURE (Status))
+    {
+        /* On failure, delete the result ops */
+
+        AcpiUtRemoveReference (Operand[2]);
+        AcpiUtRemoveReference (Operand[3]);
+
+        if (RetDesc)
+        {
+            /* And delete the internal return object */
+
+            AcpiUtRemoveReference (RetDesc);
+            RetDesc = NULL;
+        }
+    }
+
+    /* Set the return object and exit */
+
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiExDyadic2S
+ *
+ * PARAMETERS:  WalkState           - Current walk state
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Execute Type 2 dyadic synchronization operator
+ *
+ * ALLOCATION:  Deletes one operand descriptor -- other remains on stack
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiExDyadic2S (
+    ACPI_WALK_STATE         *WalkState)
+{
+    ACPI_OPERAND_OBJECT     **Operand = &WalkState->Operands[0];
+    ACPI_OPERAND_OBJECT     *RetDesc = NULL;
+    ACPI_STATUS             Status;
+
+
+    FUNCTION_TRACE_PTR ("ExDyadic2S", WALK_OPERANDS);
+
+
+
+    /* Create the internal return object */
+
+    RetDesc = AcpiUtCreateInternalObject (ACPI_TYPE_INTEGER);
+    if (!RetDesc)
+    {
+        Status = AE_NO_MEMORY;
+        goto Cleanup;
+    }
+
+    /* Default return value is FALSE, operation did not time out */
+
+    RetDesc->Integer.Value = 0;
+
+
+    /* Examine the opcode */
+
+    switch (WalkState->Opcode)
+    {
+
+    case AML_ACQUIRE_OP:            /* Acquire (MutexObject, Timeout) */
+
+        Status = AcpiExAcquireMutex (Operand[1], Operand[0], WalkState);
+        break;
+
+
+    case AML_WAIT_OP:               /* Wait (EventObject, Timeout) */
+
+        Status = AcpiExSystemWaitEvent (Operand[1], Operand[0]);
+        break;
+
+
+    default:
+
+        REPORT_ERROR (("AcpiExDyadic2S: Unknown dyadic synchronization opcode %X\n", WalkState->Opcode));
+        Status = AE_AML_BAD_OPCODE;
+        goto Cleanup;
+    }
+
+
+    /*
+     * Return a boolean indicating if operation timed out
+     * (TRUE) or not (FALSE)
+     */
+    if (Status == AE_TIME)
+    {
+        RetDesc->Integer.Value = ACPI_INTEGER_MAX;   /* TRUE, op timed out */
+        Status = AE_OK;
+    }
+
+
+Cleanup:
+
+    /* Delete params */
+
+    AcpiUtRemoveReference (Operand[1]);
+    AcpiUtRemoveReference (Operand[0]);
+
+    /* Delete return object on error */
+
+    if (ACPI_FAILURE (Status) &&
+        (RetDesc))
+    {
+        AcpiUtRemoveReference (RetDesc);
+        RetDesc = NULL;
+    }
+
+
+    /* Set the return object and exit */
+
+    WalkState->ResultObj = RetDesc;
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiExDyadic2
+ *
+ * PARAMETERS:  WalkState           - Current walk state
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Execute Type 2 dyadic operator with numeric operands and
+ *              no result operands
+ *
+ * ALLOCATION:  Deletes one operand descriptor -- other remains on stack
+ *              containing result value
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiExDyadic2 (
+    ACPI_WALK_STATE         *WalkState)
+{
+    ACPI_OPERAND_OBJECT     **Operand = &WalkState->Operands[0];
+    ACPI_OPERAND_OBJECT     *RetDesc = NULL;
+    ACPI_STATUS             Status = AE_OK;
+    BOOLEAN                 Lboolean;
+
+
+    FUNCTION_TRACE_PTR ("ExDyadic2", WALK_OPERANDS);
+
+
+    /* Create the internal return object */
+
+    RetDesc = AcpiUtCreateInternalObject (ACPI_TYPE_INTEGER);
+    if (!RetDesc)
+    {
+        Status = AE_NO_MEMORY;
+        goto Cleanup;
+    }
+
+    /*
+     * Execute the WalkState->Opcode
+     */
+    Lboolean = FALSE;
+    switch (WalkState->Opcode)
+    {
+
+    case AML_LAND_OP:               /* LAnd (Operand1, Operand2) */
+
+        Lboolean = (BOOLEAN) (Operand[0]->Integer.Value &&
+                              Operand[1]->Integer.Value);
+        break;
+
+
+    case AML_LEQUAL_OP:             /* LEqual (Operand1, Operand2) */
+
+        Lboolean = (BOOLEAN) (Operand[0]->Integer.Value ==
+                              Operand[1]->Integer.Value);
+        break;
+
+
+    case AML_LGREATER_OP:           /* LGreater (Operand1, Operand2) */
+
+        Lboolean = (BOOLEAN) (Operand[0]->Integer.Value >
+                              Operand[1]->Integer.Value);
+        break;
+
+
+    case AML_LLESS_OP:              /* LLess (Operand1, Operand2) */
+
+        Lboolean = (BOOLEAN) (Operand[0]->Integer.Value <
+                              Operand[1]->Integer.Value);
+        break;
+
+
+    case AML_LOR_OP:                 /* LOr (Operand1, Operand2) */
+
+        Lboolean = (BOOLEAN) (Operand[0]->Integer.Value ||
+                              Operand[1]->Integer.Value);
+        break;
+
+
+    case AML_COPY_OP:               /* Copy (Source, Target) (ACPI 2.0) */
+
+        Status = AE_NOT_IMPLEMENTED;
+        goto Cleanup;
+        break;
+
+
+    default:
+
+        REPORT_ERROR (("AcpiExDyadic2: Unknown dyadic opcode %X\n", WalkState->Opcode));
+        Status = AE_AML_BAD_OPCODE;
+        goto Cleanup;
+        break;
+    }
+
+
+    /* Set return value to logical TRUE (all ones) or FALSE (zero) */
+
+    if (Lboolean)
+    {
+        RetDesc->Integer.Value = ACPI_INTEGER_MAX;
+    }
+    else
+    {
+        RetDesc->Integer.Value = 0;
+    }
+
+
+Cleanup:
+
+    /* Always delete operands */
+
+    AcpiUtRemoveReference (Operand[0]);
+    AcpiUtRemoveReference (Operand[1]);
+
+
+    /* Delete return object on error */
+
+    if (ACPI_FAILURE (Status) &&
+        (RetDesc))
+    {
+        AcpiUtRemoveReference (RetDesc);
+        RetDesc = NULL;
+    }
+
+
+    /* Set the return object and exit */
+
+    WalkState->ResultObj = RetDesc;
+    return_ACPI_STATUS (Status);
+}
+
+
diff --git a/sys/contrib/dev/acpica/exfield.c b/sys/contrib/dev/acpica/exfield.c
new file mode 100644
index 0000000..63a93f3
--- /dev/null
+++ b/sys/contrib/dev/acpica/exfield.c
@@ -0,0 +1,463 @@
+/******************************************************************************
+ *
+ * Module Name: exfield - ACPI AML (p-code) execution - field manipulation
+ *              $Revision: 115 $
+ *
+ *****************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+
+#define __EXFIELD_C__
+
+#include "acpi.h"
+#include "acdispat.h"
+#include "acinterp.h"
+
+
+#define _COMPONENT          ACPI_EXECUTER
+        ACPI_MODULE_NAME    ("exfield")
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiExReadDataFromField
+ *
+ * PARAMETERS:  WalkState           - Current execution state
+ *              ObjDesc             - The named field
+ *              RetBufferDesc       - Where the return data object is stored
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Read from a named field.  Returns either an Integer or a
+ *              Buffer, depending on the size of the field.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiExReadDataFromField (
+    ACPI_WALK_STATE         *WalkState,
+    ACPI_OPERAND_OBJECT     *ObjDesc,
+    ACPI_OPERAND_OBJECT     **RetBufferDesc)
+{
+    ACPI_STATUS             Status;
+    ACPI_OPERAND_OBJECT     *BufferDesc;
+    UINT32                  Length;
+    void                    *Buffer;
+    BOOLEAN                 Locked;
+
+
+    ACPI_FUNCTION_TRACE_PTR ("ExReadDataFromField", ObjDesc);
+
+
+    /* Parameter validation */
+
+    if (!ObjDesc)
+    {
+        return_ACPI_STATUS (AE_AML_NO_OPERAND);
+    }
+
+    if (ACPI_GET_OBJECT_TYPE (ObjDesc) == ACPI_TYPE_BUFFER_FIELD)
+    {
+        /*
+         * If the BufferField arguments have not been previously evaluated,
+         * evaluate them now and save the results.
+         */
+        if (!(ObjDesc->Common.Flags & AOPOBJ_DATA_VALID))
+        {
+            Status = AcpiDsGetBufferFieldArguments (ObjDesc);
+            if (ACPI_FAILURE (Status))
+            {
+                return_ACPI_STATUS (Status);
+            }
+        }
+    }
+    else if ((ACPI_GET_OBJECT_TYPE (ObjDesc) == ACPI_TYPE_LOCAL_REGION_FIELD) &&
+             (ObjDesc->Field.RegionObj->Region.SpaceId == ACPI_ADR_SPACE_SMBUS))
+    {
+        /*
+         * This is an SMBus read.  We must create a buffer to hold the data
+         * and directly access the region handler.
+         */
+        BufferDesc = AcpiUtCreateBufferObject (ACPI_SMBUS_BUFFER_SIZE);
+        if (!BufferDesc)
+        {
+            return_ACPI_STATUS (AE_NO_MEMORY);
+        }
+
+        /* Lock entire transaction if requested */
+
+        Locked = AcpiExAcquireGlobalLock (ObjDesc->CommonField.FieldFlags);
+
+        /*
+         * Perform the read.
+         * Note: Smbus protocol value is passed in upper 16-bits of Function
+         */
+        Status = AcpiExAccessRegion (ObjDesc, 0, 
+                        ACPI_CAST_PTR (ACPI_INTEGER, BufferDesc->Buffer.Pointer),
+                        ACPI_READ | (ObjDesc->Field.Attribute << 16));
+        AcpiExReleaseGlobalLock (Locked);
+        goto Exit;
+    }
+
+    /*
+     * Allocate a buffer for the contents of the field.
+     *
+     * If the field is larger than the size of an ACPI_INTEGER, create
+     * a BUFFER to hold it.  Otherwise, use an INTEGER.  This allows
+     * the use of arithmetic operators on the returned value if the
+     * field size is equal or smaller than an Integer.
+     *
+     * Note: Field.length is in bits.
+     */
+    Length = ACPI_ROUND_BITS_UP_TO_BYTES (ObjDesc->Field.BitLength);
+    if (Length > AcpiGbl_IntegerByteWidth)
+    {
+        /* Field is too large for an Integer, create a Buffer instead */
+
+        BufferDesc = AcpiUtCreateBufferObject (Length);
+        if (!BufferDesc)
+        {
+            return_ACPI_STATUS (AE_NO_MEMORY);
+        }
+        Buffer = BufferDesc->Buffer.Pointer;
+    }
+    else
+    {
+        /* Field will fit within an Integer (normal case) */
+
+        BufferDesc = AcpiUtCreateInternalObject (ACPI_TYPE_INTEGER);
+        if (!BufferDesc)
+        {
+            return_ACPI_STATUS (AE_NO_MEMORY);
+        }
+
+        Length = AcpiGbl_IntegerByteWidth;
+        BufferDesc->Integer.Value = 0;
+        Buffer = &BufferDesc->Integer.Value;
+    }
+
+    ACPI_DEBUG_PRINT ((ACPI_DB_BFIELD,
+        "Obj=%p Type=%X Buf=%p Len=%X\n",
+        ObjDesc, ACPI_GET_OBJECT_TYPE (ObjDesc), Buffer, Length));
+    ACPI_DEBUG_PRINT ((ACPI_DB_BFIELD,
+        "FieldWrite: BitLen=%X BitOff=%X ByteOff=%X\n",
+        ObjDesc->CommonField.BitLength,
+        ObjDesc->CommonField.StartFieldBitOffset,
+        ObjDesc->CommonField.BaseByteOffset));
+
+    /* Lock entire transaction if requested */
+
+    Locked = AcpiExAcquireGlobalLock (ObjDesc->CommonField.FieldFlags);
+
+    /* Read from the field */
+
+    Status = AcpiExExtractFromField (ObjDesc, Buffer, Length);
+    AcpiExReleaseGlobalLock (Locked);
+
+
+Exit:
+    if (ACPI_FAILURE (Status))
+    {
+        AcpiUtRemoveReference (BufferDesc);
+    }
+    else if (RetBufferDesc)
+    {
+        *RetBufferDesc = BufferDesc;
+    }
+
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiExWriteDataToField
+ *
+ * PARAMETERS:  SourceDesc          - Contains data to write
+ *              ObjDesc             - The named field
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Write to a named field
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiExWriteDataToField (
+    ACPI_OPERAND_OBJECT     *SourceDesc,
+    ACPI_OPERAND_OBJECT     *ObjDesc,
+    ACPI_OPERAND_OBJECT     **ResultDesc)
+{
+    ACPI_STATUS             Status;
+    UINT32                  Length;
+    UINT32                  RequiredLength;
+    void                    *Buffer;
+    void                    *NewBuffer;
+    BOOLEAN                 Locked;
+    ACPI_OPERAND_OBJECT     *BufferDesc;
+
+
+    ACPI_FUNCTION_TRACE_PTR ("ExWriteDataToField", ObjDesc);
+
+
+    /* Parameter validation */
+
+    if (!SourceDesc || !ObjDesc)
+    {
+        return_ACPI_STATUS (AE_AML_NO_OPERAND);
+    }
+
+    if (ACPI_GET_OBJECT_TYPE (ObjDesc) == ACPI_TYPE_BUFFER_FIELD)
+    {
+        /*
+         * If the BufferField arguments have not been previously evaluated,
+         * evaluate them now and save the results.
+         */
+        if (!(ObjDesc->Common.Flags & AOPOBJ_DATA_VALID))
+        {
+            Status = AcpiDsGetBufferFieldArguments (ObjDesc);
+            if (ACPI_FAILURE (Status))
+            {
+                return_ACPI_STATUS (Status);
+            }
+        }
+    }
+    else if ((ACPI_GET_OBJECT_TYPE (ObjDesc) == ACPI_TYPE_LOCAL_REGION_FIELD) &&
+             (ObjDesc->Field.RegionObj->Region.SpaceId == ACPI_ADR_SPACE_SMBUS))
+    {
+        /*
+         * This is an SMBus write.  We will bypass the entire field mechanism
+         * and handoff the buffer directly to the handler.
+         *
+         * Source must be a buffer of sufficient size (ACPI_SMBUS_BUFFER_SIZE).
+         */
+        if (ACPI_GET_OBJECT_TYPE (SourceDesc) != ACPI_TYPE_BUFFER)
+        {
+            ACPI_REPORT_ERROR (("SMBus write requires Buffer, found type %s\n",
+                AcpiUtGetObjectTypeName (SourceDesc)));
+            return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
+        }
+
+        if (SourceDesc->Buffer.Length < ACPI_SMBUS_BUFFER_SIZE)
+        {
+            ACPI_REPORT_ERROR (("SMBus write requires Buffer of length %X, found length %X\n",
+                ACPI_SMBUS_BUFFER_SIZE, SourceDesc->Buffer.Length));
+            return_ACPI_STATUS (AE_AML_BUFFER_LIMIT);
+        }
+
+        BufferDesc = AcpiUtCreateBufferObject (ACPI_SMBUS_BUFFER_SIZE);
+        if (!BufferDesc)
+        {
+            return_ACPI_STATUS (AE_NO_MEMORY);
+        }
+
+        Buffer = BufferDesc->Buffer.Pointer;
+        ACPI_MEMCPY (Buffer, SourceDesc->Buffer.Pointer, ACPI_SMBUS_BUFFER_SIZE);
+
+        /* Lock entire transaction if requested */
+
+        Locked = AcpiExAcquireGlobalLock (ObjDesc->CommonField.FieldFlags);
+
+        /* 
+         * Perform the write (returns status and perhaps data in the same buffer)
+         * Note: SMBus protocol type is passed in upper 16-bits of Function.
+         */
+        Status = AcpiExAccessRegion (ObjDesc, 0, 
+                        (ACPI_INTEGER *) Buffer,
+                        ACPI_WRITE | (ObjDesc->Field.Attribute << 16));
+        AcpiExReleaseGlobalLock (Locked);
+
+        *ResultDesc = BufferDesc;
+        return_ACPI_STATUS (Status);
+    }
+
+    /*
+     * Get a pointer to the data to be written
+     */
+    switch (ACPI_GET_OBJECT_TYPE (SourceDesc))
+    {
+    case ACPI_TYPE_INTEGER:
+        Buffer = &SourceDesc->Integer.Value;
+        Length = sizeof (SourceDesc->Integer.Value);
+        break;
+
+    case ACPI_TYPE_BUFFER:
+        Buffer = SourceDesc->Buffer.Pointer;
+        Length = SourceDesc->Buffer.Length;
+        break;
+
+    case ACPI_TYPE_STRING:
+        Buffer = SourceDesc->String.Pointer;
+        Length = SourceDesc->String.Length;
+        break;
+
+    default:
+        return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
+    }
+
+    /*
+     * We must have a buffer that is at least as long as the field
+     * we are writing to.  This is because individual fields are
+     * indivisible and partial writes are not supported -- as per
+     * the ACPI specification.
+     */
+    NewBuffer = NULL;
+    RequiredLength = ACPI_ROUND_BITS_UP_TO_BYTES (ObjDesc->CommonField.BitLength);
+
+    if (Length < RequiredLength)
+    {
+        /* We need to create a new buffer */
+
+        NewBuffer = ACPI_MEM_CALLOCATE (RequiredLength);
+        if (!NewBuffer)
+        {
+            return_ACPI_STATUS (AE_NO_MEMORY);
+        }
+
+        /*
+         * Copy the original data to the new buffer, starting
+         * at Byte zero.  All unused (upper) bytes of the
+         * buffer will be 0.
+         */
+        ACPI_MEMCPY ((char *) NewBuffer, (char *) Buffer, Length);
+        Buffer = NewBuffer;
+        Length = RequiredLength;
+    }
+
+    ACPI_DEBUG_PRINT ((ACPI_DB_BFIELD,
+        "Obj=%p Type=%X Buf=%p Len=%X\n",
+        ObjDesc, ACPI_GET_OBJECT_TYPE (ObjDesc), Buffer, Length));
+    ACPI_DEBUG_PRINT ((ACPI_DB_BFIELD,
+        "FieldRead: BitLen=%X BitOff=%X ByteOff=%X\n",
+        ObjDesc->CommonField.BitLength,
+        ObjDesc->CommonField.StartFieldBitOffset,
+        ObjDesc->CommonField.BaseByteOffset));
+
+    /* Lock entire transaction if requested */
+
+    Locked = AcpiExAcquireGlobalLock (ObjDesc->CommonField.FieldFlags);
+
+    /* Write to the field */
+
+    Status = AcpiExInsertIntoField (ObjDesc, Buffer, Length);
+    AcpiExReleaseGlobalLock (Locked);
+
+    /* Free temporary buffer if we used one */
+
+    if (NewBuffer)
+    {
+        ACPI_MEM_FREE (NewBuffer);
+    }
+
+    return_ACPI_STATUS (Status);
+}
+
+
diff --git a/sys/contrib/dev/acpica/exfldio.c b/sys/contrib/dev/acpica/exfldio.c
new file mode 100644
index 0000000..9ddd6e8
--- /dev/null
+++ b/sys/contrib/dev/acpica/exfldio.c
@@ -0,0 +1,1185 @@
+/******************************************************************************
+ *
+ * Module Name: exfldio - Aml Field I/O
+ *              $Revision: 90 $
+ *
+ *****************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+
+#define __EXFLDIO_C__
+
+#include "acpi.h"
+#include "acinterp.h"
+#include "amlcode.h"
+#include "acevents.h"
+#include "acdispat.h"
+
+
+#define _COMPONENT          ACPI_EXECUTER
+        ACPI_MODULE_NAME    ("exfldio")
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiExSetupRegion
+ *
+ * PARAMETERS:  *ObjDesc                - Field to be read or written
+ *              FieldDatumByteOffset    - Byte offset of this datum within the
+ *                                        parent field
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Common processing for AcpiExExtractFromField and
+ *              AcpiExInsertIntoField.  Initialize the
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiExSetupRegion (
+    ACPI_OPERAND_OBJECT     *ObjDesc,
+    UINT32                  FieldDatumByteOffset)
+{
+    ACPI_STATUS             Status = AE_OK;
+    ACPI_OPERAND_OBJECT     *RgnDesc;
+
+
+    ACPI_FUNCTION_TRACE_U32 ("ExSetupRegion", FieldDatumByteOffset);
+
+
+    RgnDesc = ObjDesc->CommonField.RegionObj;
+
+    /* We must have a valid region */
+
+    if (ACPI_GET_OBJECT_TYPE (RgnDesc) != ACPI_TYPE_REGION)
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Needed Region, found type %X (%s)\n",
+            ACPI_GET_OBJECT_TYPE (RgnDesc),
+            AcpiUtGetObjectTypeName (RgnDesc)));
+
+        return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
+    }
+
+    /*
+     * If the Region Address and Length have not been previously evaluated,
+     * evaluate them now and save the results.
+     */
+    if (!(RgnDesc->Region.Flags & AOPOBJ_DATA_VALID))
+    {
+        Status = AcpiDsGetRegionArguments (RgnDesc);
+        if (ACPI_FAILURE (Status))
+        {
+            return_ACPI_STATUS (Status);
+        }
+    }
+
+    if (RgnDesc->Region.SpaceId == ACPI_ADR_SPACE_SMBUS)
+    {
+        /* SMBus has a non-linear address space */
+
+        return_ACPI_STATUS (AE_OK);
+    }
+
+    /*
+     * Validate the request.  The entire request from the byte offset for a
+     * length of one field datum (access width) must fit within the region.
+     * (Region length is specified in bytes)
+     */
+    if (RgnDesc->Region.Length < (ObjDesc->CommonField.BaseByteOffset
+                                    + FieldDatumByteOffset
+                                    + ObjDesc->CommonField.AccessByteWidth))
+    {
+        if (RgnDesc->Region.Length < ObjDesc->CommonField.AccessByteWidth)
+        {
+            /*
+             * This is the case where the AccessType (AccWord, etc.) is wider
+             * than the region itself.  For example, a region of length one
+             * byte, and a field with Dword access specified.
+             */
+            ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+                "Field [%4.4s] access width (%d bytes) too large for region [%4.4s] (length %X)\n",
+                ObjDesc->CommonField.Node->Name.Ascii, ObjDesc->CommonField.AccessByteWidth,
+                RgnDesc->Region.Node->Name.Ascii, RgnDesc->Region.Length));
+        }
+
+        /*
+         * Offset rounded up to next multiple of field width
+         * exceeds region length, indicate an error
+         */
+        ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+            "Field [%4.4s] Base+Offset+Width %X+%X+%X is beyond end of region [%4.4s] (length %X)\n",
+            ObjDesc->CommonField.Node->Name.Ascii, ObjDesc->CommonField.BaseByteOffset,
+            FieldDatumByteOffset, ObjDesc->CommonField.AccessByteWidth,
+            RgnDesc->Region.Node->Name.Ascii, RgnDesc->Region.Length));
+
+        return_ACPI_STATUS (AE_AML_REGION_LIMIT);
+    }
+
+    return_ACPI_STATUS (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiExAccessRegion
+ *
+ * PARAMETERS:  *ObjDesc                - Field to be read
+ *              FieldDatumByteOffset    - Byte offset of this datum within the
+ *                                        parent field
+ *              *Value                  - Where to store value (must at least
+ *                                        the size of ACPI_INTEGER)
+ *              Function                - Read or Write flag plus other region-
+ *                                        dependent flags
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Read or Write a single field datum to an Operation Region.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiExAccessRegion (
+    ACPI_OPERAND_OBJECT     *ObjDesc,
+    UINT32                  FieldDatumByteOffset,
+    ACPI_INTEGER            *Value,
+    UINT32                  Function)
+{
+    ACPI_STATUS             Status;
+    ACPI_OPERAND_OBJECT     *RgnDesc;
+    ACPI_PHYSICAL_ADDRESS   Address;
+
+
+    ACPI_FUNCTION_TRACE ("ExAccessRegion");
+
+
+    /* 
+     * Ensure that the region operands are fully evaluated and verify
+     * the validity of the request
+     */
+    Status = AcpiExSetupRegion (ObjDesc, FieldDatumByteOffset);
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    /*
+     * The physical address of this field datum is:
+     *
+     * 1) The base of the region, plus
+     * 2) The base offset of the field, plus
+     * 3) The current offset into the field
+     */
+    RgnDesc = ObjDesc->CommonField.RegionObj;
+    Address = RgnDesc->Region.Address
+                + ObjDesc->CommonField.BaseByteOffset
+                + FieldDatumByteOffset;
+
+    if ((Function & ACPI_IO_MASK) == ACPI_READ)
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_BFIELD, "[READ]"));
+    }
+    else
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_BFIELD, "[WRITE]"));
+    }
+
+    ACPI_DEBUG_PRINT_RAW ((ACPI_DB_BFIELD,
+        " Region[%s-%X] Access %X Base:Off %X:%X at %8.8X%8.8X\n",
+        AcpiUtGetRegionName (RgnDesc->Region.SpaceId),
+        RgnDesc->Region.SpaceId,
+        ObjDesc->CommonField.AccessByteWidth,
+        ObjDesc->CommonField.BaseByteOffset,
+        FieldDatumByteOffset,
+        ACPI_HIDWORD (Address), ACPI_LODWORD (Address)));
+
+    /* Invoke the appropriate AddressSpace/OpRegion handler */
+
+    Status = AcpiEvAddressSpaceDispatch (RgnDesc, Function,
+                    Address, ACPI_MUL_8 (ObjDesc->CommonField.AccessByteWidth), Value);
+
+    if (ACPI_FAILURE (Status))
+    {
+        if (Status == AE_NOT_IMPLEMENTED)
+        {
+            ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+                "Region %s(%X) not implemented\n",
+                AcpiUtGetRegionName (RgnDesc->Region.SpaceId),
+                RgnDesc->Region.SpaceId));
+        }
+        else if (Status == AE_NOT_EXIST)
+        {
+            ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+                "Region %s(%X) has no handler\n",
+                AcpiUtGetRegionName (RgnDesc->Region.SpaceId),
+                RgnDesc->Region.SpaceId));
+        }
+    }
+
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiExRegisterOverflow
+ *
+ * PARAMETERS:  *ObjDesc                - Register(Field) to be written
+ *              Value                   - Value to be stored
+ *
+ * RETURN:      TRUE if value overflows the field, FALSE otherwise
+ *
+ * DESCRIPTION: Check if a value is out of range of the field being written.
+ *              Used to check if the values written to Index and Bank registers
+ *              are out of range.  Normally, the value is simply truncated
+ *              to fit the field, but this case is most likely a serious
+ *              coding error in the ASL.
+ *
+ ******************************************************************************/
+
+BOOLEAN
+AcpiExRegisterOverflow (
+    ACPI_OPERAND_OBJECT     *ObjDesc,
+    ACPI_INTEGER            Value)
+{
+
+    if (ObjDesc->CommonField.BitLength >= ACPI_INTEGER_BIT_SIZE)
+    {
+        /*
+         * The field is large enough to hold the maximum integer, so we can
+         * never overflow it.
+         */
+        return (FALSE);
+    }
+
+    if (Value >= ((ACPI_INTEGER) 1 << ObjDesc->CommonField.BitLength))
+    {
+        /*
+         * The Value is larger than the maximum value that can fit into
+         * the register.
+         */
+        return (TRUE);
+    }
+
+    /* The Value will fit into the field with no truncation */
+
+    return (FALSE);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiExFieldDatumIo
+ *
+ * PARAMETERS:  *ObjDesc                - Field to be read
+ *              FieldDatumByteOffset    - Byte offset of this datum within the
+ *                                        parent field
+ *              *Value                  - Where to store value (must be 64 bits)
+ *              ReadWrite               - Read or Write flag
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Read or Write a single datum of a field.  The FieldType is
+ *              demultiplexed here to handle the different types of fields
+ *              (BufferField, RegionField, IndexField, BankField)
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiExFieldDatumIo (
+    ACPI_OPERAND_OBJECT     *ObjDesc,
+    UINT32                  FieldDatumByteOffset,
+    ACPI_INTEGER            *Value,
+    UINT32                  ReadWrite)
+{
+    ACPI_STATUS             Status;
+    ACPI_INTEGER            LocalValue;
+
+
+    ACPI_FUNCTION_TRACE_U32 ("ExFieldDatumIo", FieldDatumByteOffset);
+
+
+    if (ReadWrite == ACPI_READ)
+    {
+        if (!Value)
+        {
+            LocalValue = 0;
+            Value = &LocalValue;  /* To support reads without saving return value */
+        }
+
+        /* Clear the entire return buffer first, [Very Important!] */
+
+        *Value = 0;
+    }
+
+    /*
+     * The four types of fields are:
+     *
+     * BufferFields - Read/write from/to a Buffer
+     * RegionFields - Read/write from/to a Operation Region.
+     * BankFields   - Write to a Bank Register, then read/write from/to an OpRegion
+     * IndexFields  - Write to an Index Register, then read/write from/to a Data Register
+     */
+    switch (ACPI_GET_OBJECT_TYPE (ObjDesc))
+    {
+    case ACPI_TYPE_BUFFER_FIELD:
+        /*
+         * If the BufferField arguments have not been previously evaluated,
+         * evaluate them now and save the results.
+         */
+        if (!(ObjDesc->Common.Flags & AOPOBJ_DATA_VALID))
+        {
+            Status = AcpiDsGetBufferFieldArguments (ObjDesc);
+            if (ACPI_FAILURE (Status))
+            {
+                return_ACPI_STATUS (Status);
+            }
+        }
+
+        if (ReadWrite == ACPI_READ)
+        {
+            /*
+             * Copy the data from the source buffer.
+             * Length is the field width in bytes.
+             */
+            ACPI_MEMCPY (Value, (ObjDesc->BufferField.BufferObj)->Buffer.Pointer
+                            + ObjDesc->BufferField.BaseByteOffset
+                            + FieldDatumByteOffset,
+                            ObjDesc->CommonField.AccessByteWidth);
+        }
+        else
+        {
+            /*
+             * Copy the data to the target buffer.
+             * Length is the field width in bytes.
+             */
+            ACPI_MEMCPY ((ObjDesc->BufferField.BufferObj)->Buffer.Pointer
+                    + ObjDesc->BufferField.BaseByteOffset
+                    + FieldDatumByteOffset,
+                    Value, ObjDesc->CommonField.AccessByteWidth);
+        }
+
+        Status = AE_OK;
+        break;
+
+
+    case ACPI_TYPE_LOCAL_BANK_FIELD:
+
+        /* Ensure that the BankValue is not beyond the capacity of the register */
+
+        if (AcpiExRegisterOverflow (ObjDesc->BankField.BankObj,
+                                    (ACPI_INTEGER) ObjDesc->BankField.Value))
+        {
+            return_ACPI_STATUS (AE_AML_REGISTER_LIMIT);
+        }
+
+        /*
+         * For BankFields, we must write the BankValue to the BankRegister
+         * (itself a RegionField) before we can access the data.
+         */
+        Status = AcpiExInsertIntoField (ObjDesc->BankField.BankObj,
+                                &ObjDesc->BankField.Value,
+                                sizeof (ObjDesc->BankField.Value));
+        if (ACPI_FAILURE (Status))
+        {
+            return_ACPI_STATUS (Status);
+        }
+
+        /*
+         * Now that the Bank has been selected, fall through to the
+         * RegionField case and write the datum to the Operation Region
+         */
+
+        /*lint -fallthrough */
+
+
+    case ACPI_TYPE_LOCAL_REGION_FIELD:
+        /*
+         * For simple RegionFields, we just directly access the owning
+         * Operation Region.
+         */
+        Status = AcpiExAccessRegion (ObjDesc, FieldDatumByteOffset, Value,
+                        ReadWrite);
+        break;
+
+
+    case ACPI_TYPE_LOCAL_INDEX_FIELD:
+
+
+        /* Ensure that the IndexValue is not beyond the capacity of the register */
+
+        if (AcpiExRegisterOverflow (ObjDesc->IndexField.IndexObj,
+                                    (ACPI_INTEGER) ObjDesc->IndexField.Value))
+        {
+            return_ACPI_STATUS (AE_AML_REGISTER_LIMIT);
+        }
+
+        /* Write the index value to the IndexRegister (itself a RegionField) */
+
+        Status = AcpiExInsertIntoField (ObjDesc->IndexField.IndexObj,
+                                &ObjDesc->IndexField.Value,
+                                sizeof (ObjDesc->IndexField.Value));
+        if (ACPI_FAILURE (Status))
+        {
+            return_ACPI_STATUS (Status);
+        }
+
+        if (ReadWrite == ACPI_READ)
+        {
+            /* Read the datum from the DataRegister */
+
+            Status = AcpiExExtractFromField (ObjDesc->IndexField.DataObj,
+                            Value, ObjDesc->CommonField.AccessByteWidth);
+        }
+        else
+        {
+            /* Write the datum to the Data register */
+
+            Status = AcpiExInsertIntoField (ObjDesc->IndexField.DataObj,
+                            Value, ObjDesc->CommonField.AccessByteWidth);
+        }
+        break;
+
+
+    default:
+
+        ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "%p, Wrong object type - %s\n",
+            ObjDesc, AcpiUtGetObjectTypeName (ObjDesc)));
+        Status = AE_AML_INTERNAL;
+        break;
+    }
+
+    if (ACPI_SUCCESS (Status))
+    {
+        if (ReadWrite == ACPI_READ)
+        {
+            ACPI_DEBUG_PRINT ((ACPI_DB_BFIELD, "Value Read=%8.8X%8.8X\n",
+                                ACPI_HIDWORD (*Value), ACPI_LODWORD (*Value)));
+        }
+        else
+        {
+            ACPI_DEBUG_PRINT ((ACPI_DB_BFIELD, "Value Written=%8.8X%8.8X\n",
+                                ACPI_HIDWORD (*Value), ACPI_LODWORD (*Value)));
+        }
+    }
+
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiExWriteWithUpdateRule
+ *
+ * PARAMETERS:  *ObjDesc            - Field to be set
+ *              Value               - Value to store
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Apply the field update rule to a field write
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiExWriteWithUpdateRule (
+    ACPI_OPERAND_OBJECT     *ObjDesc,
+    ACPI_INTEGER            Mask,
+    ACPI_INTEGER            FieldValue,
+    UINT32                  FieldDatumByteOffset)
+{
+    ACPI_STATUS             Status = AE_OK;
+    ACPI_INTEGER            MergedValue;
+    ACPI_INTEGER            CurrentValue;
+
+
+    ACPI_FUNCTION_TRACE_U32 ("ExWriteWithUpdateRule", Mask);
+
+
+    /* Start with the new bits  */
+
+    MergedValue = FieldValue;
+
+    /* If the mask is all ones, we don't need to worry about the update rule */
+
+    if (Mask != ACPI_INTEGER_MAX)
+    {
+        /* Decode the update rule */
+
+        switch (ObjDesc->CommonField.FieldFlags & AML_FIELD_UPDATE_RULE_MASK)
+        {
+        case AML_FIELD_UPDATE_PRESERVE:
+            /*
+             * Check if update rule needs to be applied (not if mask is all
+             * ones)  The left shift drops the bits we want to ignore.
+             */
+            if ((~Mask << (ACPI_MUL_8 (sizeof (Mask)) -
+                           ACPI_MUL_8 (ObjDesc->CommonField.AccessByteWidth))) != 0)
+            {
+                /*
+                 * Read the current contents of the byte/word/dword containing
+                 * the field, and merge with the new field value.
+                 */
+                Status = AcpiExFieldDatumIo (ObjDesc, FieldDatumByteOffset,
+                                &CurrentValue, ACPI_READ);
+                MergedValue |= (CurrentValue & ~Mask);
+            }
+            break;
+
+        case AML_FIELD_UPDATE_WRITE_AS_ONES:
+
+            /* Set positions outside the field to all ones */
+
+            MergedValue |= ~Mask;
+            break;
+
+        case AML_FIELD_UPDATE_WRITE_AS_ZEROS:
+
+            /* Set positions outside the field to all zeros */
+
+            MergedValue &= Mask;
+            break;
+
+        default:
+            ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+                "WriteWithUpdateRule: Unknown UpdateRule setting: %X\n",
+                (ObjDesc->CommonField.FieldFlags & AML_FIELD_UPDATE_RULE_MASK)));
+            return_ACPI_STATUS (AE_AML_OPERAND_VALUE);
+        }
+    }
+
+    /* Write the merged value */
+
+    Status = AcpiExFieldDatumIo (ObjDesc, FieldDatumByteOffset,
+                    &MergedValue, ACPI_WRITE);
+
+    ACPI_DEBUG_PRINT ((ACPI_DB_BFIELD,
+        "Mask %8.8X%8.8X DatumOffset %X Value %8.8X%8.8X, MergedValue %8.8X%8.8X\n",
+        ACPI_HIDWORD (Mask), ACPI_LODWORD (Mask),
+        FieldDatumByteOffset,
+        ACPI_HIDWORD (FieldValue), ACPI_LODWORD (FieldValue),
+        ACPI_HIDWORD (MergedValue),ACPI_LODWORD (MergedValue)));
+
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiExGetBufferDatum
+ *
+ * PARAMETERS:  Datum               - Where the Datum is returned
+ *              Buffer              - Raw field buffer
+ *              ByteGranularity     - 1/2/4/8 Granularity of the field
+ *                                    (aka Datum Size)
+ *              Offset              - Datum offset into the buffer
+ *
+ * RETURN:      none
+ *
+ * DESCRIPTION: Get a datum from the buffer according to the buffer field
+ *              byte granularity
+ *
+ ******************************************************************************/
+
+void
+AcpiExGetBufferDatum(
+    ACPI_INTEGER            *Datum,
+    void                    *Buffer,
+    UINT32                  ByteGranularity,
+    UINT32                  Offset)
+{
+
+    ACPI_FUNCTION_ENTRY ();
+
+
+    switch (ByteGranularity)
+    {
+    case ACPI_FIELD_BYTE_GRANULARITY:
+
+        *Datum = ((UINT8 *) Buffer) [Offset];
+        break;
+
+    case ACPI_FIELD_WORD_GRANULARITY:
+
+        ACPI_MOVE_UNALIGNED16_TO_32 (Datum, &(((UINT16 *) Buffer) [Offset]));
+        break;
+
+    case ACPI_FIELD_DWORD_GRANULARITY:
+
+        ACPI_MOVE_UNALIGNED32_TO_32 (Datum, &(((UINT32 *) Buffer) [Offset]));
+        break;
+
+    case ACPI_FIELD_QWORD_GRANULARITY:
+
+        ACPI_MOVE_UNALIGNED64_TO_64 (Datum, &(((UINT64 *) Buffer) [Offset]));
+        break;
+
+    default:
+        /* Should not get here */
+        break;
+    }
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiExSetBufferDatum
+ *
+ * PARAMETERS:  MergedDatum         - Value to store
+ *              Buffer              - Receiving buffer
+ *              ByteGranularity     - 1/2/4/8 Granularity of the field
+ *                                    (aka Datum Size)
+ *              Offset              - Datum offset into the buffer
+ *
+ * RETURN:      none
+ *
+ * DESCRIPTION: Store the merged datum to the buffer according to the
+ *              byte granularity
+ *
+ ******************************************************************************/
+
+void
+AcpiExSetBufferDatum (
+    ACPI_INTEGER            MergedDatum,
+    void                    *Buffer,
+    UINT32                  ByteGranularity,
+    UINT32                  Offset)
+{
+
+    ACPI_FUNCTION_ENTRY ();
+
+
+    switch (ByteGranularity)
+    {
+    case ACPI_FIELD_BYTE_GRANULARITY:
+
+        ((UINT8 *) Buffer) [Offset] = (UINT8) MergedDatum;
+        break;
+
+    case ACPI_FIELD_WORD_GRANULARITY:
+
+        ACPI_MOVE_UNALIGNED16_TO_16 (&(((UINT16 *) Buffer)[Offset]), &MergedDatum);
+        break;
+
+    case ACPI_FIELD_DWORD_GRANULARITY:
+
+        ACPI_MOVE_UNALIGNED32_TO_32 (&(((UINT32 *) Buffer)[Offset]), &MergedDatum);
+        break;
+
+    case ACPI_FIELD_QWORD_GRANULARITY:
+
+        ACPI_MOVE_UNALIGNED64_TO_64 (&(((UINT64 *) Buffer)[Offset]), &MergedDatum);
+        break;
+
+    default:
+        /* Should not get here */
+        break;
+    }
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiExExtractFromField
+ *
+ * PARAMETERS:  *ObjDesc            - Field to be read
+ *              *Value              - Where to store value
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Retrieve the value of the given field
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiExExtractFromField (
+    ACPI_OPERAND_OBJECT     *ObjDesc,
+    void                    *Buffer,
+    UINT32                  BufferLength)
+{
+    ACPI_STATUS             Status;
+    UINT32                  FieldDatumByteOffset;
+    UINT32                  DatumOffset;
+    ACPI_INTEGER            PreviousRawDatum;
+    ACPI_INTEGER            ThisRawDatum = 0;
+    ACPI_INTEGER            MergedDatum = 0;
+    UINT32                  ByteFieldLength;
+    UINT32                  DatumCount;
+
+
+    ACPI_FUNCTION_TRACE ("ExExtractFromField");
+
+
+    /*
+     * The field must fit within the caller's buffer
+     */
+    ByteFieldLength = ACPI_ROUND_BITS_UP_TO_BYTES (ObjDesc->CommonField.BitLength);
+    if (ByteFieldLength > BufferLength)
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_BFIELD,
+            "Field size %X (bytes) too large for buffer (%X)\n",
+            ByteFieldLength, BufferLength));
+
+        return_ACPI_STATUS (AE_BUFFER_OVERFLOW);
+    }
+
+    /* Convert field byte count to datum count, round up if necessary */
+
+    DatumCount = ACPI_ROUND_UP_TO (ByteFieldLength,
+                              ObjDesc->CommonField.AccessByteWidth);
+
+    ACPI_DEBUG_PRINT ((ACPI_DB_BFIELD,
+        "ByteLen=%X, DatumLen=%X, ByteGran=%X\n",
+        ByteFieldLength, DatumCount,ObjDesc->CommonField.AccessByteWidth));
+
+    /*
+     * Clear the caller's buffer (the whole buffer length as given)
+     * This is very important, especially in the cases where a byte is read,
+     * but the buffer is really a UINT32 (4 bytes).
+     */
+    ACPI_MEMSET (Buffer, 0, BufferLength);
+
+    /* Read the first raw datum to prime the loop */
+
+    FieldDatumByteOffset = 0;
+    DatumOffset= 0;
+
+    Status = AcpiExFieldDatumIo (ObjDesc, FieldDatumByteOffset,
+                    &PreviousRawDatum, ACPI_READ);
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+
+    /* We might actually be done if the request fits in one datum */
+
+    if ((DatumCount == 1) &&
+        (ObjDesc->CommonField.Flags & AOPOBJ_SINGLE_DATUM))
+    {
+        /* 1) Shift the valid data bits down to start at bit 0 */
+
+        MergedDatum = (PreviousRawDatum >> ObjDesc->CommonField.StartFieldBitOffset);
+
+        /* 2) Mask off any upper unused bits (bits not part of the field) */
+
+        if (ObjDesc->CommonField.EndBufferValidBits)
+        {
+            MergedDatum &= ACPI_MASK_BITS_ABOVE (ObjDesc->CommonField.EndBufferValidBits);
+        }
+
+        /* Store the datum to the caller buffer */
+
+        AcpiExSetBufferDatum (MergedDatum, Buffer, ObjDesc->CommonField.AccessByteWidth,
+                DatumOffset);
+
+        return_ACPI_STATUS (AE_OK);
+    }
+
+
+    /* We need to get more raw data to complete one or more field data */
+
+    while (DatumOffset < DatumCount)
+    {
+        FieldDatumByteOffset += ObjDesc->CommonField.AccessByteWidth;
+
+        /*
+         * If the field is aligned on a byte boundary, we don't want
+         * to perform a final read, since this would potentially read
+         * past the end of the region.
+         *
+         * We could just split the aligned and non-aligned cases since the
+         * aligned case is so very simple, but this would require more code.
+         */
+        if ((ObjDesc->CommonField.StartFieldBitOffset != 0)  ||
+            ((ObjDesc->CommonField.StartFieldBitOffset == 0) &&
+            (DatumOffset < (DatumCount -1))))
+        {
+            /*
+             * Get the next raw datum, it contains some or all bits
+             * of the current field datum
+             */
+            Status = AcpiExFieldDatumIo (ObjDesc, FieldDatumByteOffset,
+                            &ThisRawDatum, ACPI_READ);
+            if (ACPI_FAILURE (Status))
+            {
+                return_ACPI_STATUS (Status);
+            }
+        }
+
+        /*
+         * Create the (possibly) merged datum to be stored to the caller buffer
+         */
+        if (ObjDesc->CommonField.StartFieldBitOffset == 0)
+        {
+            /* Field is not skewed and we can just copy the datum */
+
+            MergedDatum = PreviousRawDatum;
+        }
+        else
+        {
+            /*
+             * Put together the appropriate bits of the two raw data to make a
+             * single complete field datum
+             *
+             * 1) Normalize the first datum down to bit 0
+             */
+            MergedDatum = (PreviousRawDatum >> ObjDesc->CommonField.StartFieldBitOffset);
+
+            /* 2) Insert the second datum "above" the first datum */
+
+            MergedDatum |= (ThisRawDatum << ObjDesc->CommonField.DatumValidBits);
+
+            if ((DatumOffset >= (DatumCount -1)))
+            {
+                /*
+                 * This is the last iteration of the loop.  We need to clear
+                 * any unused bits (bits that are not part of this field) that
+                 * came from the last raw datum before we store the final
+                 * merged datum into the caller buffer.
+                 */
+                if (ObjDesc->CommonField.EndBufferValidBits)
+                {
+                    MergedDatum &=
+                        ACPI_MASK_BITS_ABOVE (ObjDesc->CommonField.EndBufferValidBits);
+                }
+            }
+        }
+
+        /*
+         * Store the merged field datum in the caller's buffer, according to
+         * the granularity of the field (size of each datum).
+         */
+        AcpiExSetBufferDatum (MergedDatum, Buffer,
+                ObjDesc->CommonField.AccessByteWidth, DatumOffset);
+
+        /*
+         * Save the raw datum that was just acquired since it may contain bits
+         * of the *next* field datum.  Update offsets
+         */
+        PreviousRawDatum = ThisRawDatum;
+        DatumOffset++;
+    }
+
+    return_ACPI_STATUS (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiExInsertIntoField
+ *
+ * PARAMETERS:  *ObjDesc            - Field to be set
+ *              Buffer              - Value to store
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Store the value into the given field
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiExInsertIntoField (
+    ACPI_OPERAND_OBJECT     *ObjDesc,
+    void                    *Buffer,
+    UINT32                  BufferLength)
+{
+    ACPI_STATUS             Status;
+    UINT32                  FieldDatumByteOffset;
+    UINT32                  DatumOffset;
+    ACPI_INTEGER            Mask;
+    ACPI_INTEGER            MergedDatum;
+    ACPI_INTEGER            PreviousRawDatum;
+    ACPI_INTEGER            ThisRawDatum;
+    UINT32                  ByteFieldLength;
+    UINT32                  DatumCount;
+
+
+    ACPI_FUNCTION_TRACE ("ExInsertIntoField");
+
+
+    /*
+     * Incoming buffer must be at least as long as the field, we do not
+     * allow "partial" field writes.  We do not care if the buffer is
+     * larger than the field, this typically happens when an integer is
+     * written to a field that is actually smaller than an integer.
+     */
+    ByteFieldLength = ACPI_ROUND_BITS_UP_TO_BYTES (ObjDesc->CommonField.BitLength);
+    if (BufferLength < ByteFieldLength)
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_BFIELD, "Buffer length %X too small for field %X\n",
+            BufferLength, ByteFieldLength));
+
+        return_ACPI_STATUS (AE_BUFFER_OVERFLOW);
+    }
+
+    /* Convert byte count to datum count, round up if necessary */
+
+    DatumCount = ACPI_ROUND_UP_TO (ByteFieldLength, ObjDesc->CommonField.AccessByteWidth);
+
+    ACPI_DEBUG_PRINT ((ACPI_DB_BFIELD,
+        "ByteLen=%X, DatumLen=%X, ByteGran=%X\n",
+        ByteFieldLength, DatumCount, ObjDesc->CommonField.AccessByteWidth));
+
+    /*
+     * Break the request into up to three parts (similar to an I/O request):
+     * 1) non-aligned part at start
+     * 2) aligned part in middle
+     * 3) non-aligned part at the end
+     */
+    FieldDatumByteOffset = 0;
+    DatumOffset= 0;
+
+    /* Get a single datum from the caller's buffer */
+
+    AcpiExGetBufferDatum (&PreviousRawDatum, Buffer,
+            ObjDesc->CommonField.AccessByteWidth, DatumOffset);
+
+    /*
+     * Part1:
+     * Write a partial field datum if field does not begin on a datum boundary
+     * Note: The code in this section also handles the aligned case
+     *
+     * Construct Mask with 1 bits where the field is, 0 bits elsewhere
+     * (Only the bottom 5 bits of BitLength are valid for a shift operation)
+     *
+     * Mask off bits that are "below" the field (if any)
+     */
+    Mask = ACPI_MASK_BITS_BELOW (ObjDesc->CommonField.StartFieldBitOffset);
+
+    /* If the field fits in one datum, may need to mask upper bits */
+
+    if ((ObjDesc->CommonField.Flags & AOPOBJ_SINGLE_DATUM) &&
+         ObjDesc->CommonField.EndFieldValidBits)
+    {
+        /* There are bits above the field, mask them off also */
+
+        Mask &= ACPI_MASK_BITS_ABOVE (ObjDesc->CommonField.EndFieldValidBits);
+    }
+
+    /* Shift and mask the value into the field position */
+
+    MergedDatum = (PreviousRawDatum << ObjDesc->CommonField.StartFieldBitOffset);
+    MergedDatum &= Mask;
+
+    /* Apply the update rule (if necessary) and write the datum to the field */
+
+    Status = AcpiExWriteWithUpdateRule (ObjDesc, Mask, MergedDatum,
+                        FieldDatumByteOffset);
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    /* If the entire field fits within one datum, we are done. */
+
+    if ((DatumCount == 1) &&
+       (ObjDesc->CommonField.Flags & AOPOBJ_SINGLE_DATUM))
+    {
+        return_ACPI_STATUS (AE_OK);
+    }
+
+    /*
+     * Part2:
+     * Write the aligned data.
+     *
+     * We don't need to worry about the update rule for these data, because
+     * all of the bits in each datum are part of the field.
+     *
+     * The last datum must be special cased because it might contain bits
+     * that are not part of the field -- therefore the "update rule" must be
+     * applied in Part3 below.
+     */
+    while (DatumOffset < DatumCount)
+    {
+        DatumOffset++;
+        FieldDatumByteOffset += ObjDesc->CommonField.AccessByteWidth;
+
+        /*
+         * Get the next raw buffer datum.  It may contain bits of the previous
+         * field datum
+         */
+        AcpiExGetBufferDatum (&ThisRawDatum, Buffer,
+                ObjDesc->CommonField.AccessByteWidth, DatumOffset);
+
+        /* Create the field datum based on the field alignment */
+
+        if (ObjDesc->CommonField.StartFieldBitOffset != 0)
+        {
+            /*
+             * Put together appropriate bits of the two raw buffer data to make
+             * a single complete field datum
+             */
+            MergedDatum =
+                (PreviousRawDatum >> ObjDesc->CommonField.DatumValidBits) |
+                (ThisRawDatum << ObjDesc->CommonField.StartFieldBitOffset);
+        }
+        else
+        {
+            /* Field began aligned on datum boundary */
+
+            MergedDatum = ThisRawDatum;
+        }
+
+        /*
+         * Special handling for the last datum if the field does NOT end on
+         * a datum boundary.  Update Rule must be applied to the bits outside
+         * the field.
+         */
+        if (DatumOffset == DatumCount)
+        {
+            /*
+             * If there are dangling non-aligned bits, perform one more merged write
+             * Else - field is aligned at the end, no need for any more writes
+             */
+            if (ObjDesc->CommonField.EndFieldValidBits)
+            {
+                /*
+                 * Part3:
+                 * This is the last datum and the field does not end on a datum boundary.
+                 * Build the partial datum and write with the update rule.
+                 *
+                 * Mask off the unused bits above (after) the end-of-field
+                 */
+                Mask = ACPI_MASK_BITS_ABOVE (ObjDesc->CommonField.EndFieldValidBits);
+                MergedDatum &= Mask;
+
+                /* Write the last datum with the update rule */
+
+                Status = AcpiExWriteWithUpdateRule (ObjDesc, Mask, MergedDatum,
+                                    FieldDatumByteOffset);
+                if (ACPI_FAILURE (Status))
+                {
+                    return_ACPI_STATUS (Status);
+                }
+            }
+        }
+        else
+        {
+            /* Normal case -- write the completed datum */
+
+            Status = AcpiExFieldDatumIo (ObjDesc, FieldDatumByteOffset,
+                            &MergedDatum, ACPI_WRITE);
+            if (ACPI_FAILURE (Status))
+            {
+                return_ACPI_STATUS (Status);
+            }
+        }
+
+        /*
+         * Save the most recent datum since it may contain bits of the *next*
+         * field datum.  Update current byte offset.
+         */
+        PreviousRawDatum = ThisRawDatum;
+    }
+
+    return_ACPI_STATUS (Status);
+}
+
+
diff --git a/sys/contrib/dev/acpica/exmisc.c b/sys/contrib/dev/acpica/exmisc.c
new file mode 100644
index 0000000..7343ac5
--- /dev/null
+++ b/sys/contrib/dev/acpica/exmisc.c
@@ -0,0 +1,620 @@
+
+/******************************************************************************
+ *
+ * Module Name: exmisc - ACPI AML (p-code) execution - specific opcodes
+ *              $Revision: 112 $
+ *
+ *****************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+#define __EXMISC_C__
+
+#include "acpi.h"
+#include "acinterp.h"
+#include "amlcode.h"
+
+
+#define _COMPONENT          ACPI_EXECUTER
+        ACPI_MODULE_NAME    ("exmisc")
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiExGetObjectReference
+ *
+ * PARAMETERS:  ObjDesc             - Create a reference to this object
+ *              ReturnDesc          - Where to store the reference
+ *              WalkState           - Current state
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Obtain and return a "reference" to the target object
+ *              Common code for the RefOfOp and the CondRefOfOp.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiExGetObjectReference (
+    ACPI_OPERAND_OBJECT     *ObjDesc,
+    ACPI_OPERAND_OBJECT     **ReturnDesc,
+    ACPI_WALK_STATE         *WalkState)
+{
+    ACPI_OPERAND_OBJECT     *ReferenceObj;
+    ACPI_OPERAND_OBJECT     *ReferencedObj;
+
+
+    ACPI_FUNCTION_TRACE_PTR ("ExGetObjectReference", ObjDesc);
+
+
+    *ReturnDesc = NULL;
+
+    switch (ACPI_GET_DESCRIPTOR_TYPE (ObjDesc))
+    {
+    case ACPI_DESC_TYPE_OPERAND:
+
+        if (ACPI_GET_OBJECT_TYPE (ObjDesc) != ACPI_TYPE_LOCAL_REFERENCE)
+        {
+            return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
+        }
+
+        /*
+         * Must be a reference to a Local or Arg
+         */
+        switch (ObjDesc->Reference.Opcode)
+        {
+        case AML_LOCAL_OP:
+        case AML_ARG_OP:
+
+            /* The referenced object is the pseudo-node for the local/arg */
+
+            ReferencedObj = ObjDesc->Reference.Object;
+            break;
+
+        default:
+
+            ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Unknown Reference subtype %X\n",
+                ObjDesc->Reference.Opcode));
+            return_ACPI_STATUS (AE_AML_INTERNAL);
+        }
+        break;
+
+
+    case ACPI_DESC_TYPE_NAMED:
+
+        /*
+         * A named reference that has already been resolved to a Node
+         */
+        ReferencedObj = ObjDesc;
+        break;
+
+
+    default:
+
+        ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Invalid descriptor type %X in %p\n",
+            ACPI_GET_DESCRIPTOR_TYPE (ObjDesc), ObjDesc));
+        return_ACPI_STATUS (AE_TYPE);
+    }
+
+
+    /* Create a new reference object */
+
+    ReferenceObj = AcpiUtCreateInternalObject (ACPI_TYPE_LOCAL_REFERENCE);
+    if (!ReferenceObj)
+    {
+        return_ACPI_STATUS (AE_NO_MEMORY);
+    }
+
+    ReferenceObj->Reference.Opcode = AML_REF_OF_OP;
+    ReferenceObj->Reference.Object = ReferencedObj;
+    *ReturnDesc = ReferenceObj;
+
+    ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Object %p Type [%s], returning Reference %p\n",
+        ObjDesc, AcpiUtGetObjectTypeName (ObjDesc), *ReturnDesc));
+
+    return_ACPI_STATUS (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiExConcatTemplate
+ *
+ * PARAMETERS:  *ObjDesc            - Object to be converted.  Must be an
+ *                                    Integer, Buffer, or String
+ *              WalkState           - Current walk state
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Concatenate two resource templates
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiExConcatTemplate (
+    ACPI_OPERAND_OBJECT     *ObjDesc1,
+    ACPI_OPERAND_OBJECT     *ObjDesc2,
+    ACPI_OPERAND_OBJECT     **ActualReturnDesc,
+    ACPI_WALK_STATE         *WalkState)
+{
+    ACPI_OPERAND_OBJECT     *ReturnDesc;
+    UINT8                   *NewBuf;
+    UINT8                   *EndTag1;
+    UINT8                   *EndTag2;
+    ACPI_SIZE               Length1;
+    ACPI_SIZE               Length2;
+
+
+    ACPI_FUNCTION_TRACE ("ExConcatTemplate");
+
+
+    /* Find the EndTags in each resource template */
+
+    EndTag1 = AcpiUtGetResourceEndTag (ObjDesc1);
+    EndTag2 = AcpiUtGetResourceEndTag (ObjDesc2);
+    if (!EndTag1 || !EndTag2)
+    {
+        return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
+    }
+
+    /* Compute the length of each part */
+
+    Length1 = ACPI_PTR_DIFF (EndTag1, ObjDesc1->Buffer.Pointer);
+    Length2 = ACPI_PTR_DIFF (EndTag2, ObjDesc2->Buffer.Pointer) +
+                             2; /* Size of END_TAG */
+
+    /* Create a new buffer object for the result */
+
+    ReturnDesc = AcpiUtCreateBufferObject (Length1 + Length2);
+    if (!ReturnDesc)
+    {
+        return_ACPI_STATUS (AE_NO_MEMORY);
+    }
+
+    /* Copy the templates to the new descriptor */
+
+    NewBuf = ReturnDesc->Buffer.Pointer;
+    ACPI_MEMCPY (NewBuf, ObjDesc1->Buffer.Pointer, Length1);
+    ACPI_MEMCPY (NewBuf + Length1, ObjDesc2->Buffer.Pointer, Length2);
+
+    /* Compute the new checksum */
+
+    NewBuf[ReturnDesc->Buffer.Length - 1] =
+            AcpiUtGenerateChecksum (ReturnDesc->Buffer.Pointer,
+                                   (ReturnDesc->Buffer.Length - 1));
+
+    /* Return the completed template descriptor */
+
+    *ActualReturnDesc = ReturnDesc;
+    return_ACPI_STATUS (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiExDoConcatenate
+ *
+ * PARAMETERS:  ObjDesc1            - First source object
+ *              ObjDesc2            - Second source object
+ *              ActualReturnDesc    - Where to place the return object
+ *              WalkState           - Current walk state
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Concatenate two objects OF THE SAME TYPE.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiExDoConcatenate (
+    ACPI_OPERAND_OBJECT     *ObjDesc1,
+    ACPI_OPERAND_OBJECT     *ObjDesc2,
+    ACPI_OPERAND_OBJECT     **ActualReturnDesc,
+    ACPI_WALK_STATE         *WalkState)
+{
+    ACPI_STATUS             Status;
+    UINT32                  i;
+    ACPI_INTEGER            ThisInteger;
+    ACPI_OPERAND_OBJECT     *ReturnDesc;
+    NATIVE_CHAR             *NewBuf;
+
+
+    ACPI_FUNCTION_ENTRY ();
+
+
+    /*
+     * There are three cases to handle:
+     *
+     * 1) Two Integers concatenated to produce a new Buffer
+     * 2) Two Strings concatenated to produce a new String
+     * 3) Two Buffers concatenated to produce a new Buffer
+     */
+    switch (ACPI_GET_OBJECT_TYPE (ObjDesc1))
+    {
+    case ACPI_TYPE_INTEGER:
+
+        /* Result of two Integers is a Buffer */
+        /* Need enough buffer space for two integers */
+
+        ReturnDesc = AcpiUtCreateBufferObject (AcpiGbl_IntegerByteWidth * 2);
+        if (!ReturnDesc)
+        {
+            return (AE_NO_MEMORY);
+        }
+
+        NewBuf = (NATIVE_CHAR *) ReturnDesc->Buffer.Pointer;
+
+        /* Convert the first integer */
+
+        ThisInteger = ObjDesc1->Integer.Value;
+        for (i = 0; i < AcpiGbl_IntegerByteWidth; i++)
+        {
+            NewBuf[i] = (NATIVE_CHAR) ThisInteger;
+            ThisInteger >>= 8;
+        }
+
+        /* Convert the second integer */
+
+        ThisInteger = ObjDesc2->Integer.Value;
+        for (; i < (ACPI_MUL_2 (AcpiGbl_IntegerByteWidth)); i++)
+        {
+            NewBuf[i] = (NATIVE_CHAR) ThisInteger;
+            ThisInteger >>= 8;
+        }
+
+        break;
+
+
+    case ACPI_TYPE_STRING:
+
+        /* Result of two Strings is a String */
+
+        ReturnDesc = AcpiUtCreateInternalObject (ACPI_TYPE_STRING);
+        if (!ReturnDesc)
+        {
+            return (AE_NO_MEMORY);
+        }
+
+        /* Operand0 is string  */
+
+        NewBuf = ACPI_MEM_ALLOCATE ((ACPI_SIZE) ObjDesc1->String.Length +
+                                    (ACPI_SIZE) ObjDesc2->String.Length + 1);
+        if (!NewBuf)
+        {
+            ACPI_REPORT_ERROR
+                (("ExDoConcatenate: String allocation failure\n"));
+            Status = AE_NO_MEMORY;
+            goto Cleanup;
+        }
+
+        /* Concatenate the strings */
+
+        ACPI_STRCPY (NewBuf, ObjDesc1->String.Pointer);
+        ACPI_STRCPY (NewBuf + ObjDesc1->String.Length,
+                              ObjDesc2->String.Pointer);
+
+        /* Complete the String object initialization */
+
+        ReturnDesc->String.Pointer = NewBuf;
+        ReturnDesc->String.Length  = ObjDesc1->String.Length +
+                                     ObjDesc2->String.Length;
+        break;
+
+
+    case ACPI_TYPE_BUFFER:
+
+        /* Result of two Buffers is a Buffer */
+
+        ReturnDesc = AcpiUtCreateBufferObject (
+                            (ACPI_SIZE) ObjDesc1->Buffer.Length +
+                            (ACPI_SIZE) ObjDesc2->Buffer.Length);
+        if (!ReturnDesc)
+        {
+            return (AE_NO_MEMORY);
+        }
+
+        NewBuf = (NATIVE_CHAR *) ReturnDesc->Buffer.Pointer;
+
+        /* Concatenate the buffers */
+
+        ACPI_MEMCPY (NewBuf, ObjDesc1->Buffer.Pointer,
+                        ObjDesc1->Buffer.Length);
+        ACPI_MEMCPY (NewBuf + ObjDesc1->Buffer.Length, ObjDesc2->Buffer.Pointer,
+                         ObjDesc2->Buffer.Length);
+
+        break;
+
+
+    default:
+
+        /* Invalid object type, should not happen here */
+
+        Status = AE_AML_INTERNAL;
+        ReturnDesc = NULL;
+    }
+
+    *ActualReturnDesc = ReturnDesc;
+    return (AE_OK);
+
+
+Cleanup:
+
+    AcpiUtRemoveReference (ReturnDesc);
+    return (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiExDoMathOp
+ *
+ * PARAMETERS:  Opcode              - AML opcode
+ *              Operand0            - Integer operand #0
+ *              Operand1            - Integer operand #1
+ *
+ * RETURN:      Integer result of the operation
+ *
+ * DESCRIPTION: Execute a math AML opcode. The purpose of having all of the
+ *              math functions here is to prevent a lot of pointer dereferencing
+ *              to obtain the operands.
+ *
+ ******************************************************************************/
+
+ACPI_INTEGER
+AcpiExDoMathOp (
+    UINT16                  Opcode,
+    ACPI_INTEGER            Operand0,
+    ACPI_INTEGER            Operand1)
+{
+
+
+    switch (Opcode)
+    {
+    case AML_ADD_OP:                /* Add (Operand0, Operand1, Result) */
+
+        return (Operand0 + Operand1);
+
+
+    case AML_BIT_AND_OP:            /* And (Operand0, Operand1, Result) */
+
+        return (Operand0 & Operand1);
+
+
+    case AML_BIT_NAND_OP:           /* NAnd (Operand0, Operand1, Result) */
+
+        return (~(Operand0 & Operand1));
+
+
+    case AML_BIT_OR_OP:             /* Or (Operand0, Operand1, Result) */
+
+        return (Operand0 | Operand1);
+
+
+    case AML_BIT_NOR_OP:            /* NOr (Operand0, Operand1, Result) */
+
+        return (~(Operand0 | Operand1));
+
+
+    case AML_BIT_XOR_OP:            /* XOr (Operand0, Operand1, Result) */
+
+        return (Operand0 ^ Operand1);
+
+
+    case AML_MULTIPLY_OP:           /* Multiply (Operand0, Operand1, Result) */
+
+        return (Operand0 * Operand1);
+
+
+    case AML_SHIFT_LEFT_OP:         /* ShiftLeft (Operand, ShiftCount, Result) */
+
+        return (Operand0 << Operand1);
+
+
+    case AML_SHIFT_RIGHT_OP:        /* ShiftRight (Operand, ShiftCount, Result) */
+
+        return (Operand0 >> Operand1);
+
+
+    case AML_SUBTRACT_OP:           /* Subtract (Operand0, Operand1, Result) */
+
+        return (Operand0 - Operand1);
+
+    default:
+
+        return (0);
+    }
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiExDoLogicalOp
+ *
+ * PARAMETERS:  Opcode              - AML opcode
+ *              Operand0            - Integer operand #0
+ *              Operand1            - Integer operand #1
+ *
+ * RETURN:      TRUE/FALSE result of the operation
+ *
+ * DESCRIPTION: Execute a logical AML opcode. The purpose of having all of the
+ *              functions here is to prevent a lot of pointer dereferencing
+ *              to obtain the operands and to simplify the generation of the
+ *              logical value.
+ *
+ *              Note: cleanest machine code seems to be produced by the code
+ *              below, rather than using statements of the form:
+ *                  Result = (Operand0 == Operand1);
+ *
+ ******************************************************************************/
+
+BOOLEAN
+AcpiExDoLogicalOp (
+    UINT16                  Opcode,
+    ACPI_INTEGER            Operand0,
+    ACPI_INTEGER            Operand1)
+{
+
+
+    switch (Opcode)
+    {
+
+    case AML_LAND_OP:               /* LAnd (Operand0, Operand1) */
+
+        if (Operand0 && Operand1)
+        {
+            return (TRUE);
+        }
+        break;
+
+
+    case AML_LEQUAL_OP:             /* LEqual (Operand0, Operand1) */
+
+        if (Operand0 == Operand1)
+        {
+            return (TRUE);
+        }
+        break;
+
+
+    case AML_LGREATER_OP:           /* LGreater (Operand0, Operand1) */
+
+        if (Operand0 > Operand1)
+        {
+            return (TRUE);
+        }
+        break;
+
+
+    case AML_LLESS_OP:              /* LLess (Operand0, Operand1) */
+
+        if (Operand0 < Operand1)
+        {
+            return (TRUE);
+        }
+        break;
+
+
+    case AML_LOR_OP:                 /* LOr (Operand0, Operand1) */
+
+        if (Operand0 || Operand1)
+        {
+            return (TRUE);
+        }
+        break;
+
+    default:
+        break;
+    }
+
+    return (FALSE);
+}
+
+
diff --git a/sys/contrib/dev/acpica/exmonad.c b/sys/contrib/dev/acpica/exmonad.c
new file mode 100644
index 0000000..3e6a969
--- /dev/null
+++ b/sys/contrib/dev/acpica/exmonad.c
@@ -0,0 +1,1083 @@
+
+/******************************************************************************
+ *
+ * Module Name: exmonad - ACPI AML execution for monadic (1 operand) operators
+ *              $Revision: 113 $
+ *
+ *****************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999, 2000, 2001, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+#define __EXMONAD_C__
+
+#include "acpi.h"
+#include "acparser.h"
+#include "acdispat.h"
+#include "acinterp.h"
+#include "amlcode.h"
+#include "acnamesp.h"
+
+
+#define _COMPONENT          ACPI_EXECUTER
+        MODULE_NAME         ("exmonad")
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiExGetObjectReference
+ *
+ * PARAMETERS:  ObjDesc         - Create a reference to this object
+ *              RetDesc         - Where to store the reference
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Obtain and return a "reference" to the target object
+ *              Common code for the RefOfOp and the CondRefOfOp.
+ *
+ ******************************************************************************/
+
+static ACPI_STATUS
+AcpiExGetObjectReference (
+    ACPI_OPERAND_OBJECT     *ObjDesc,
+    ACPI_OPERAND_OBJECT     **RetDesc,
+    ACPI_WALK_STATE         *WalkState)
+{
+    ACPI_STATUS             Status = AE_OK;
+
+
+    FUNCTION_TRACE_PTR ("ExGetObjectReference", ObjDesc);
+
+
+    if (VALID_DESCRIPTOR_TYPE (ObjDesc, ACPI_DESC_TYPE_INTERNAL))
+    {
+        if (ObjDesc->Common.Type != INTERNAL_TYPE_REFERENCE)
+        {
+            *RetDesc = NULL;
+            Status = AE_TYPE;
+            goto Cleanup;
+        }
+
+        /*
+         * Not a Name -- an indirect name pointer would have
+         * been converted to a direct name pointer in AcpiExResolveOperands
+         */
+        switch (ObjDesc->Reference.Opcode)
+        {
+        case AML_LOCAL_OP:
+        case AML_ARG_OP:
+
+            *RetDesc = (void *) AcpiDsMethodDataGetNode (ObjDesc->Reference.Opcode,
+                                        ObjDesc->Reference.Offset, WalkState);
+            break;
+
+        default:
+
+            ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "(Internal) Unknown Ref subtype %02x\n",
+                ObjDesc->Reference.Opcode));
+            *RetDesc = NULL;
+            Status = AE_AML_INTERNAL;
+            goto Cleanup;
+        }
+
+    }
+
+    else if (VALID_DESCRIPTOR_TYPE (ObjDesc, ACPI_DESC_TYPE_NAMED))
+    {
+        /* Must be a named object;  Just return the Node */
+
+        *RetDesc = ObjDesc;
+    }
+
+    else
+    {
+        *RetDesc = NULL;
+        Status = AE_TYPE;
+    }
+
+
+Cleanup:
+
+    ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Obj=%p Ref=%p\n", ObjDesc, *RetDesc));
+    return_ACPI_STATUS (Status);
+}
+
+#define ObjDesc             Operand[0]
+#define ResDesc             Operand[1]
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiExMonadic1
+ *
+ * PARAMETERS:  WalkState           - Current state (contains AML opcode)
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Execute Type 1 monadic operator with numeric operand on
+ *              object stack
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiExMonadic1 (
+    ACPI_WALK_STATE         *WalkState)
+{
+    ACPI_OPERAND_OBJECT     **Operand = &WalkState->Operands[0];
+    ACPI_STATUS             Status;
+
+
+    FUNCTION_TRACE_PTR ("ExMonadic1", WALK_OPERANDS);
+
+
+    /* Examine the opcode */
+
+    switch (WalkState->Opcode)  
+    {
+    case AML_RELEASE_OP:    /*  Release (MutexObject) */
+
+        Status = AcpiExReleaseMutex (ObjDesc, WalkState);
+        break;
+
+
+    case AML_RESET_OP:      /*  Reset (EventObject) */
+
+        Status = AcpiExSystemResetEvent (ObjDesc);
+        break;
+
+
+    case AML_SIGNAL_OP:     /*  Signal (EventObject) */
+
+        Status = AcpiExSystemSignalEvent (ObjDesc);
+        break;
+
+
+    case AML_SLEEP_OP:      /*  Sleep (MsecTime) */
+
+        AcpiExSystemDoSuspend ((UINT32) ObjDesc->Integer.Value);
+        break;
+
+
+    case AML_STALL_OP:      /*  Stall (UsecTime) */
+
+        AcpiExSystemDoStall ((UINT32) ObjDesc->Integer.Value);
+        break;
+
+
+    default:                /*  Unknown opcode  */
+
+        REPORT_ERROR (("AcpiExMonadic1: Unknown monadic opcode %X\n",
+            WalkState->Opcode));
+        Status = AE_AML_BAD_OPCODE;
+        break;
+    }
+
+
+    /* Always delete the operand */
+
+    AcpiUtRemoveReference (ObjDesc);
+
+    return_ACPI_STATUS (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiExMonadic2R
+ *
+ * PARAMETERS:  WalkState           - Current state (contains AML opcode)
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Execute Type 2 monadic operator with numeric operand and
+ *              result operand on operand stack
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiExMonadic2R (
+    ACPI_WALK_STATE         *WalkState)
+{
+    ACPI_STATUS             Status = AE_OK;
+    ACPI_OPERAND_OBJECT     **Operand = &WalkState->Operands[0];
+    ACPI_OPERAND_OBJECT     *RetDesc = NULL;
+    ACPI_OPERAND_OBJECT     *RetDesc2 = NULL;
+    UINT32                  Temp32;
+    UINT32                  i;
+    UINT32                  j;
+    ACPI_INTEGER            Digit;
+
+
+    FUNCTION_TRACE_PTR ("ExMonadic2R", WALK_OPERANDS);
+
+
+
+
+    /* Create a return object of type NUMBER for most opcodes */
+
+    switch (WalkState->Opcode)
+    {
+    case AML_BIT_NOT_OP:
+    case AML_FIND_SET_LEFT_BIT_OP:
+    case AML_FIND_SET_RIGHT_BIT_OP:
+    case AML_FROM_BCD_OP:
+    case AML_TO_BCD_OP:
+    case AML_COND_REF_OF_OP:
+
+        RetDesc = AcpiUtCreateInternalObject (ACPI_TYPE_INTEGER);
+        if (!RetDesc)
+        {
+            Status = AE_NO_MEMORY;
+            goto Cleanup;
+        }
+
+        break;
+    }
+
+
+    switch (WalkState->Opcode)
+    {
+
+    case AML_BIT_NOT_OP:            /* Not (Operand, Result)  */
+
+        RetDesc->Integer.Value = ~ObjDesc->Integer.Value;
+        break;
+
+
+    case AML_FIND_SET_LEFT_BIT_OP:  /* FindSetLeftBit (Operand, Result) */
+
+
+        RetDesc->Integer.Value = ObjDesc->Integer.Value;
+
+        /*
+         * Acpi specification describes Integer type as a little
+         * endian unsigned value, so this boundary condition is valid.
+         */
+        for (Temp32 = 0; RetDesc->Integer.Value && Temp32 < ACPI_INTEGER_BIT_SIZE; ++Temp32)
+        {
+            RetDesc->Integer.Value >>= 1;
+        }
+
+        RetDesc->Integer.Value = Temp32;
+        break;
+
+
+    case AML_FIND_SET_RIGHT_BIT_OP: /* FindSetRightBit (Operand, Result)  */
+
+
+        RetDesc->Integer.Value = ObjDesc->Integer.Value;
+
+        /*
+         * The Acpi specification describes Integer type as a little
+         * endian unsigned value, so this boundary condition is valid.
+         */
+        for (Temp32 = 0; RetDesc->Integer.Value && Temp32 < ACPI_INTEGER_BIT_SIZE; ++Temp32)
+        {
+            RetDesc->Integer.Value <<= 1;
+        }
+
+        /* Since returns must be 1-based, subtract from 33 (65) */
+
+        RetDesc->Integer.Value = Temp32 == 0 ? 0 : (ACPI_INTEGER_BIT_SIZE + 1) - Temp32;
+        break;
+
+
+    case AML_FROM_BCD_OP:           /* FromBcd (BCDValue, Result)  */
+
+        /*
+         * The 64-bit ACPI integer can hold 16 4-bit BCD integers
+         */
+        RetDesc->Integer.Value = 0;
+        for (i = 0; i < ACPI_MAX_BCD_DIGITS; i++)
+        {
+            /* Get one BCD digit */
+
+            Digit = (ACPI_INTEGER) ((ObjDesc->Integer.Value >> (i * 4)) & 0xF);
+
+            /* Check the range of the digit */
+
+            if (Digit > 9)
+            {
+                ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "BCD digit too large: \n",
+                    Digit));
+                Status = AE_AML_NUMERIC_OVERFLOW;
+                goto Cleanup;
+            }
+
+            if (Digit > 0)
+            {
+                /* Sum into the result with the appropriate power of 10 */
+
+                for (j = 0; j < i; j++)
+                {
+                    Digit *= 10;
+                }
+
+                RetDesc->Integer.Value += Digit;
+            }
+        }
+        break;
+
+
+    case AML_TO_BCD_OP:             /* ToBcd (Operand, Result)  */
+
+        if (ObjDesc->Integer.Value > ACPI_MAX_BCD_VALUE)
+        {
+            ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "BCD overflow: %d\n",
+                ObjDesc->Integer.Value));
+            Status = AE_AML_NUMERIC_OVERFLOW;
+            goto Cleanup;
+        }
+
+        RetDesc->Integer.Value = 0;
+        for (i = 0; i < ACPI_MAX_BCD_DIGITS; i++)
+        {
+            /* Divide by nth factor of 10 */
+
+            Temp32 = 0;
+            Digit = ObjDesc->Integer.Value;
+            for (j = 0; j < i; j++)
+            {
+                AcpiUtShortDivide (&Digit, 10, &Digit, &Temp32);
+            }
+
+            /* Create the BCD digit from the remainder above */
+
+            if (Digit > 0)
+            {
+                RetDesc->Integer.Value += (Temp32 << (i * 4));
+            }
+        }
+        break;
+
+
+    case AML_COND_REF_OF_OP:        /* CondRefOf (SourceObject, Result)  */
+
+        /*
+         * This op is a little strange because the internal return value is
+         * different than the return value stored in the result descriptor
+         * (There are really two return values)
+         */
+        if ((ACPI_NAMESPACE_NODE *) ObjDesc == AcpiGbl_RootNode)
+        {
+            /*
+             * This means that the object does not exist in the namespace,
+             * return FALSE
+             */
+            RetDesc->Integer.Value = 0;
+
+            /*
+             * Must delete the result descriptor since there is no reference
+             * being returned
+             */
+            AcpiUtRemoveReference (ResDesc);
+            goto Cleanup;
+        }
+
+        /* Get the object reference and store it */
+
+        Status = AcpiExGetObjectReference (ObjDesc, &RetDesc2, WalkState);
+        if (ACPI_FAILURE (Status))
+        {
+            goto Cleanup;
+        }
+
+        Status = AcpiExStore (RetDesc2, ResDesc, WalkState);
+
+        /* The object exists in the namespace, return TRUE */
+
+        RetDesc->Integer.Value = ACPI_INTEGER_MAX;
+        goto Cleanup;
+        break;
+
+
+    case AML_STORE_OP:              /* Store (Source, Target) */
+
+        /*
+         * A store operand is typically a number, string, buffer or lvalue
+         * Be careful about deleting the source object,
+         * since the object itself may have been stored.
+         */
+        Temp32 = ObjDesc->Common.ReferenceCount;
+        Status = AcpiExStore (ObjDesc, ResDesc, WalkState);
+        if (ACPI_FAILURE (Status))
+        {
+            /* On failure, just delete the ObjDesc */
+
+            AcpiUtRemoveReference (ObjDesc);
+            return_ACPI_STATUS (Status);
+        }
+
+#if 0
+        if ((ObjDesc->Common.ReferenceCount > Temp32) &&
+            (!AcpiDsIsResultUsed (WalkState->Op, WalkState)))
+        {
+            ObjDesc->Common.ReferenceCount++;
+        }
+#endif
+
+        /*
+         * Normally, we would remove a reference on the ObjDesc parameter;
+         * But since it is being used as the internal return object
+         * (meaning we would normally increment it), the two cancel out,
+         * and we simply don't do anything.
+         */
+        WalkState->ResultObj = ObjDesc;
+        return_ACPI_STATUS (Status);
+        break;
+
+
+    /*
+     * ACPI 2.0 Opcodes
+     */
+    case AML_TO_DECSTRING_OP:       /* ToDecimalString (Data, Result) */
+
+        Status = AcpiExConvertToString (ObjDesc, &RetDesc, 10, ACPI_UINT32_MAX, WalkState);
+        break;
+
+
+    case AML_TO_HEXSTRING_OP:       /* ToHexString (Data, Result) */
+
+        Status = AcpiExConvertToString (ObjDesc, &RetDesc, 16, ACPI_UINT32_MAX, WalkState);
+        break;
+
+
+    case AML_TO_BUFFER_OP:          /* ToBuffer (Data, Result) */
+
+        Status = AcpiExConvertToBuffer (ObjDesc, &RetDesc, WalkState);
+        break;
+
+
+    case AML_TO_INTEGER_OP:         /* ToInteger (Data, Result) */
+
+        Status = AcpiExConvertToInteger (ObjDesc, &RetDesc, WalkState);
+        break;
+
+
+    /*
+     * These are two obsolete opcodes
+     */
+    case AML_SHIFT_LEFT_BIT_OP:     /*  ShiftLeftBit (Source, BitNum)  */
+    case AML_SHIFT_RIGHT_BIT_OP:    /*  ShiftRightBit (Source, BitNum) */
+
+
+        ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "%s is unimplemented\n",
+                        AcpiPsGetOpcodeName (WalkState->Opcode)));
+        Status = AE_SUPPORT;
+        goto Cleanup;
+        break;
+
+
+    default:                        /* Unknown opcode */
+
+        REPORT_ERROR (("AcpiExMonadic2R: Unknown monadic opcode %X\n",
+            WalkState->Opcode));
+        Status = AE_AML_BAD_OPCODE;
+        goto Cleanup;
+    }
+
+
+    /*
+     * Store the return value computed above into the result object 
+     */
+    Status = AcpiExStore (RetDesc, ResDesc, WalkState);
+
+
+Cleanup:
+    /* Always delete the operand object */
+
+    AcpiUtRemoveReference (ObjDesc);
+
+    /* Delete return object(s) on error */
+
+    if (ACPI_FAILURE (Status))
+    {
+        AcpiUtRemoveReference (ResDesc);     /* Result descriptor */
+        if (RetDesc)
+        {
+            AcpiUtRemoveReference (RetDesc);
+            RetDesc = NULL;
+        }
+    }
+
+    /* Set the return object and exit */
+
+    WalkState->ResultObj = RetDesc;
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiExMonadic2
+ *
+ * PARAMETERS:  WalkState           - Current state (contains AML opcode)
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Execute Type 2 monadic operator with numeric operand:
+ *              DerefOfOp, RefOfOp, SizeOfOp, TypeOp, IncrementOp,
+ *              DecrementOp, LNotOp,
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiExMonadic2 (
+    ACPI_WALK_STATE         *WalkState)
+{
+    ACPI_OPERAND_OBJECT     **Operand = &WalkState->Operands[0];
+    ACPI_OPERAND_OBJECT     *TmpDesc;
+    ACPI_OPERAND_OBJECT     *RetDesc = NULL;
+    ACPI_STATUS             Status = AE_OK;
+    UINT32                  Type;
+    ACPI_INTEGER            Value;
+
+
+    FUNCTION_TRACE_PTR ("ExMonadic2", WALK_OPERANDS);
+
+
+
+
+    /* Get the operand and decode the opcode */
+
+    switch (WalkState->Opcode)
+    {
+
+    case AML_LNOT_OP:               /* LNot (Operand) */
+
+        RetDesc = AcpiUtCreateInternalObject (ACPI_TYPE_INTEGER);
+        if (!RetDesc)
+        {
+            Status = AE_NO_MEMORY;
+            goto Cleanup;
+        }
+
+        RetDesc->Integer.Value = !ObjDesc->Integer.Value;
+        break;
+
+
+    case AML_DECREMENT_OP:          /* Decrement (Operand)  */
+    case AML_INCREMENT_OP:          /* Increment (Operand)  */
+
+        /*
+         * Since we are expecting an Reference on the top of the stack, it
+         * can be either an Node or an internal object.
+         *
+         * TBD: [Future] This may be the prototype code for all cases where
+         * a Reference is expected!! 10/99
+         */
+        if (VALID_DESCRIPTOR_TYPE (ObjDesc, ACPI_DESC_TYPE_NAMED))
+        {
+            RetDesc = ObjDesc;
+        }
+
+        else
+        {
+            /*
+             * Duplicate the Reference in a new object so that we can resolve it
+             * without destroying the original Reference object
+             */
+            RetDesc = AcpiUtCreateInternalObject (INTERNAL_TYPE_REFERENCE);
+            if (!RetDesc)
+            {
+                Status = AE_NO_MEMORY;
+                goto Cleanup;
+            }
+
+            RetDesc->Reference.Opcode = ObjDesc->Reference.Opcode;
+            RetDesc->Reference.Offset = ObjDesc->Reference.Offset;
+            RetDesc->Reference.Object = ObjDesc->Reference.Object;
+        }
+
+
+        /*
+         * Convert the RetDesc Reference to a Number
+         * (This deletes the original RetDesc object)
+         */
+        Status = AcpiExResolveOperands (AML_LNOT_OP, &RetDesc, WalkState);
+        if (ACPI_FAILURE (Status))
+        {
+            ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "%s: bad operand(s) %s\n",
+                AcpiPsGetOpcodeName (WalkState->Opcode), AcpiFormatException(Status)));
+
+            goto Cleanup;
+        }
+
+        /* Do the actual increment or decrement */
+
+        if (AML_INCREMENT_OP == WalkState->Opcode)
+        {
+            RetDesc->Integer.Value++;
+        }
+        else
+        {
+            RetDesc->Integer.Value--;
+        }
+
+        /* Store the result back in the original descriptor */
+
+        Status = AcpiExStore (RetDesc, ObjDesc, WalkState);
+
+        /* Objdesc was just deleted (because it is an Reference) */
+
+        ObjDesc = NULL;
+
+        break;
+
+
+    case AML_TYPE_OP:               /* ObjectType (SourceObject) */
+
+        if (INTERNAL_TYPE_REFERENCE == ObjDesc->Common.Type)
+        {
+            /*
+             * Not a Name -- an indirect name pointer would have
+             * been converted to a direct name pointer in ResolveOperands
+             */
+            switch (ObjDesc->Reference.Opcode)
+            {
+            case AML_ZERO_OP:
+            case AML_ONE_OP:
+            case AML_ONES_OP:
+            case AML_REVISION_OP:
+
+                /* Constants are of type Number */
+
+                Type = ACPI_TYPE_INTEGER;
+                break;
+
+
+            case AML_DEBUG_OP:
+
+                /* Per 1.0b spec, Debug object is of type "DebugObject" */
+
+                Type = ACPI_TYPE_DEBUG_OBJECT;
+                break;
+
+
+            case AML_INDEX_OP:
+
+                /* Get the type of this reference (index into another object) */
+
+                Type = ObjDesc->Reference.TargetType;
+                if (Type == ACPI_TYPE_PACKAGE)
+                {
+                    /*
+                     * The main object is a package, we want to get the type
+                     * of the individual package element that is referenced by
+                     * the index.
+                     */
+                    Type = (*(ObjDesc->Reference.Where))->Common.Type;
+                }
+
+                break;
+
+
+            case AML_LOCAL_OP:
+            case AML_ARG_OP:
+
+                Type = AcpiDsMethodDataGetType (ObjDesc->Reference.Opcode,
+                                ObjDesc->Reference.Offset, WalkState);
+                break;
+
+
+            default:
+
+                REPORT_ERROR (("AcpiExMonadic2/TypeOp: Internal error - Unknown Reference subtype %X\n",
+                    ObjDesc->Reference.Opcode));
+                Status = AE_AML_INTERNAL;
+                goto Cleanup;
+            }
+        }
+
+        else
+        {
+            /*
+             * It's not a Reference, so it must be a direct name pointer.
+             */
+            Type = AcpiNsGetType ((ACPI_NAMESPACE_NODE *) ObjDesc);
+
+            /* Convert internal types to external types */
+
+            switch (Type)
+            {
+            case INTERNAL_TYPE_REGION_FIELD:
+            case INTERNAL_TYPE_BANK_FIELD:
+            case INTERNAL_TYPE_INDEX_FIELD:
+
+                Type = ACPI_TYPE_FIELD_UNIT;
+            }
+
+        }
+
+        /* Allocate a descriptor to hold the type. */
+
+        RetDesc = AcpiUtCreateInternalObject (ACPI_TYPE_INTEGER);
+        if (!RetDesc)
+        {
+            Status = AE_NO_MEMORY;
+            goto Cleanup;
+        }
+
+        RetDesc->Integer.Value = Type;
+        break;
+
+
+    case AML_SIZE_OF_OP:            /* SizeOf (SourceObject)  */
+
+        if (VALID_DESCRIPTOR_TYPE (ObjDesc, ACPI_DESC_TYPE_NAMED))
+        {
+            ObjDesc = AcpiNsGetAttachedObject ((ACPI_NAMESPACE_NODE *) ObjDesc);
+        }
+
+        if (!ObjDesc)
+        {
+            Value = 0;
+        }
+
+        else
+        {
+            switch (ObjDesc->Common.Type)
+            {
+
+            case ACPI_TYPE_BUFFER:
+
+                Value = ObjDesc->Buffer.Length;
+                break;
+
+
+            case ACPI_TYPE_STRING:
+
+                Value = ObjDesc->String.Length;
+                break;
+
+
+            case ACPI_TYPE_PACKAGE:
+
+                Value = ObjDesc->Package.Count;
+                break;
+
+            case INTERNAL_TYPE_REFERENCE:
+
+                Value = 4;
+                break;
+
+            default:
+
+                ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Not Buf/Str/Pkg - found type %X\n",
+                    ObjDesc->Common.Type));
+                Status = AE_AML_OPERAND_TYPE;
+                goto Cleanup;
+            }
+        }
+
+        /*
+         * Now that we have the size of the object, create a result
+         * object to hold the value
+         */
+        RetDesc = AcpiUtCreateInternalObject (ACPI_TYPE_INTEGER);
+        if (!RetDesc)
+        {
+            Status = AE_NO_MEMORY;
+            goto Cleanup;
+        }
+
+        RetDesc->Integer.Value = Value;
+        break;
+
+
+    case AML_REF_OF_OP:             /* RefOf (SourceObject) */
+
+        Status = AcpiExGetObjectReference (ObjDesc, &RetDesc, WalkState);
+        if (ACPI_FAILURE (Status))
+        {
+            goto Cleanup;
+        }
+        break;
+
+
+    case AML_DEREF_OF_OP:           /* DerefOf (ObjReference) */
+
+        /* Check for a method local or argument */
+
+        if (!VALID_DESCRIPTOR_TYPE (ObjDesc, ACPI_DESC_TYPE_NAMED))
+        {
+            /*
+             * Must resolve/dereference the local/arg reference first
+             */
+            switch (ObjDesc->Reference.Opcode)
+            {
+            /* Set ObjDesc to the value of the local/arg */
+
+            case AML_LOCAL_OP:
+            case AML_ARG_OP:
+
+                AcpiDsMethodDataGetValue (ObjDesc->Reference.Opcode,
+                        ObjDesc->Reference.Offset, WalkState, &TmpDesc);
+
+                /*
+                 * Delete our reference to the input object and
+                 * point to the object just retrieved
+                 */
+                AcpiUtRemoveReference (ObjDesc);
+                ObjDesc = TmpDesc;
+                break;
+
+            default:
+
+                /* Index op - handled below */
+                break;
+            }
+        }
+
+
+        /* ObjDesc may have changed from the code above */
+
+        if (VALID_DESCRIPTOR_TYPE (ObjDesc, ACPI_DESC_TYPE_NAMED))
+        {
+            /* Get the actual object from the Node (This is the dereference) */
+
+            RetDesc = ((ACPI_NAMESPACE_NODE *) ObjDesc)->Object;
+
+            /* Returning a pointer to the object, add another reference! */
+
+            AcpiUtAddReference (RetDesc);
+        }
+
+        else
+        {
+            /*
+             * This must be a reference object produced by the Index
+             * ASL operation -- check internal opcode
+             */
+            if ((ObjDesc->Reference.Opcode != AML_INDEX_OP) &&
+                (ObjDesc->Reference.Opcode != AML_REF_OF_OP))
+            {
+                ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Unknown opcode in ref(%p) - %X\n",
+                    ObjDesc, ObjDesc->Reference.Opcode));
+
+                Status = AE_TYPE;
+                goto Cleanup;
+            }
+
+
+            switch (ObjDesc->Reference.Opcode)
+            {
+            case AML_INDEX_OP:
+
+                /*
+                 * Supported target types for the Index operator are
+                 * 1) A Buffer
+                 * 2) A Package
+                 */
+                if (ObjDesc->Reference.TargetType == ACPI_TYPE_BUFFER_FIELD)
+                {
+                    /*
+                     * The target is a buffer, we must create a new object that
+                     * contains one element of the buffer, the element pointed
+                     * to by the index.
+                     *
+                     * NOTE: index into a buffer is NOT a pointer to a
+                     * sub-buffer of the main buffer, it is only a pointer to a
+                     * single element (byte) of the buffer!
+                     */
+                    RetDesc = AcpiUtCreateInternalObject (ACPI_TYPE_INTEGER);
+                    if (!RetDesc)
+                    {
+                        Status = AE_NO_MEMORY;
+                        goto Cleanup;
+                    }
+
+                    TmpDesc = ObjDesc->Reference.Object;
+                    RetDesc->Integer.Value =
+                        TmpDesc->Buffer.Pointer[ObjDesc->Reference.Offset];
+
+                    /* TBD: [Investigate] (see below) Don't add an additional
+                     * ref!
+                     */
+                }
+
+                else if (ObjDesc->Reference.TargetType == ACPI_TYPE_PACKAGE)
+                {
+                    /*
+                     * The target is a package, we want to return the referenced
+                     * element of the package.  We must add another reference to
+                     * this object, however.
+                     */
+                    RetDesc = *(ObjDesc->Reference.Where);
+                    if (!RetDesc)
+                    {
+                        /*
+                         * We can't return a NULL dereferenced value.  This is
+                         * an uninitialized package element and is thus a
+                         * severe error.
+                         */
+
+                        ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "NULL package element obj %p\n",
+                            ObjDesc));
+                        Status = AE_AML_UNINITIALIZED_ELEMENT;
+                        goto Cleanup;
+                    }
+
+                    AcpiUtAddReference (RetDesc);
+                }
+
+                else
+                {
+                    ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Unknown TargetType %X in obj %p\n",
+                        ObjDesc->Reference.TargetType, ObjDesc));
+                    Status = AE_AML_OPERAND_TYPE;
+                    goto Cleanup;
+                }
+
+                break;
+
+
+            case AML_REF_OF_OP:
+
+                RetDesc = ObjDesc->Reference.Object;
+
+                /* Add another reference to the object! */
+
+                AcpiUtAddReference (RetDesc);
+                break;
+            }
+        }
+
+        break;
+
+
+    default:
+
+        REPORT_ERROR (("AcpiExMonadic2: Unknown monadic opcode %X\n",
+            WalkState->Opcode));
+        Status = AE_AML_BAD_OPCODE;
+        goto Cleanup;
+    }
+
+
+Cleanup:
+
+    if (ObjDesc)
+    {
+        AcpiUtRemoveReference (ObjDesc);
+    }
+
+    /* Delete return object on error */
+
+    if (ACPI_FAILURE (Status) &&
+        (RetDesc))
+    {
+        AcpiUtRemoveReference (RetDesc);
+        RetDesc = NULL;
+    }
+
+    WalkState->ResultObj = RetDesc;
+    return_ACPI_STATUS (Status);
+}
+
diff --git a/sys/contrib/dev/acpica/exmutex.c b/sys/contrib/dev/acpica/exmutex.c
new file mode 100644
index 0000000..3f4c8f0
--- /dev/null
+++ b/sys/contrib/dev/acpica/exmutex.c
@@ -0,0 +1,445 @@
+
+/******************************************************************************
+ *
+ * Module Name: exmutex - ASL Mutex Acquire/Release functions
+ *              $Revision: 16 $
+ *
+ *****************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+#define __EXMUTEX_C__
+
+#include "acpi.h"
+#include "acinterp.h"
+
+#define _COMPONENT          ACPI_EXECUTER
+        ACPI_MODULE_NAME    ("exmutex")
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiExUnlinkMutex
+ *
+ * PARAMETERS:  *ObjDesc            - The mutex to be unlinked
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Remove a mutex from the "AcquiredMutex" list
+ *
+ ******************************************************************************/
+
+void
+AcpiExUnlinkMutex (
+    ACPI_OPERAND_OBJECT     *ObjDesc)
+{
+    ACPI_THREAD_STATE       *Thread = ObjDesc->Mutex.OwnerThread;
+
+
+    if (!Thread)
+    {
+        return;
+    }
+
+    if (ObjDesc->Mutex.Next)
+    {
+        (ObjDesc->Mutex.Next)->Mutex.Prev = ObjDesc->Mutex.Prev;
+    }
+
+    if (ObjDesc->Mutex.Prev)
+    {
+        (ObjDesc->Mutex.Prev)->Mutex.Next = ObjDesc->Mutex.Next;
+    }
+    else
+    {
+        Thread->AcquiredMutexList = ObjDesc->Mutex.Next;
+    }
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiExLinkMutex
+ *
+ * PARAMETERS:  *ObjDesc            - The mutex to be linked
+ *              *ListHead           - head of the "AcquiredMutex" list
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Add a mutex to the "AcquiredMutex" list for this walk
+ *
+ ******************************************************************************/
+
+void
+AcpiExLinkMutex (
+    ACPI_OPERAND_OBJECT     *ObjDesc,
+    ACPI_THREAD_STATE       *Thread)
+{
+    ACPI_OPERAND_OBJECT     *ListHead;
+
+
+    ListHead = Thread->AcquiredMutexList;
+
+    /* This object will be the first object in the list */
+
+    ObjDesc->Mutex.Prev = NULL;
+    ObjDesc->Mutex.Next = ListHead;
+
+    /* Update old first object to point back to this object */
+
+    if (ListHead)
+    {
+        ListHead->Mutex.Prev = ObjDesc;
+    }
+
+    /* Update list head */
+
+    Thread->AcquiredMutexList = ObjDesc;
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiExAcquireMutex
+ *
+ * PARAMETERS:  *TimeDesc           - The 'time to delay' object descriptor
+ *              *ObjDesc            - The object descriptor for this op
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Acquire an AML mutex
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiExAcquireMutex (
+    ACPI_OPERAND_OBJECT     *TimeDesc,
+    ACPI_OPERAND_OBJECT     *ObjDesc,
+    ACPI_WALK_STATE         *WalkState)
+{
+    ACPI_STATUS             Status;
+
+
+    ACPI_FUNCTION_TRACE_PTR ("ExAcquireMutex", ObjDesc);
+
+
+    if (!ObjDesc)
+    {
+        return_ACPI_STATUS (AE_BAD_PARAMETER);
+    }
+
+    /* Sanity check -- we must have a valid thread ID */
+
+    if (!WalkState->Thread)
+    {
+        ACPI_REPORT_ERROR (("Cannot acquire Mutex [%4.4s], null thread info\n",
+                ObjDesc->Mutex.Node->Name.Ascii));
+        return_ACPI_STATUS (AE_AML_INTERNAL);
+    }
+
+    /*
+     * Current Sync must be less than or equal to the sync level of the
+     * mutex.  This mechanism provides some deadlock prevention
+     */
+    if (WalkState->Thread->CurrentSyncLevel > ObjDesc->Mutex.SyncLevel)
+    {
+        ACPI_REPORT_ERROR (("Cannot acquire Mutex [%4.4s], incorrect SyncLevel\n",
+                ObjDesc->Mutex.Node->Name.Ascii));
+        return_ACPI_STATUS (AE_AML_MUTEX_ORDER);
+    }
+
+    /*
+     * Support for multiple acquires by the owning thread
+     */
+
+    if ((ObjDesc->Mutex.OwnerThread) &&
+        (ObjDesc->Mutex.OwnerThread->ThreadId == WalkState->Thread->ThreadId))
+    {
+        /*
+         * The mutex is already owned by this thread,
+         * just increment the acquisition depth
+         */
+        ObjDesc->Mutex.AcquisitionDepth++;
+        return_ACPI_STATUS (AE_OK);
+    }
+
+    /* Acquire the mutex, wait if necessary */
+
+    Status = AcpiExSystemAcquireMutex (TimeDesc, ObjDesc);
+    if (ACPI_FAILURE (Status))
+    {
+        /* Includes failure from a timeout on TimeDesc */
+
+        return_ACPI_STATUS (Status);
+    }
+
+    /* Have the mutex, update mutex and walk info */
+
+    ObjDesc->Mutex.OwnerThread      = WalkState->Thread;
+    ObjDesc->Mutex.AcquisitionDepth = 1;
+
+    WalkState->Thread->CurrentSyncLevel = ObjDesc->Mutex.SyncLevel;
+
+    /* Link the mutex to the current thread for force-unlock at method exit */
+
+    AcpiExLinkMutex (ObjDesc, WalkState->Thread);
+
+    return_ACPI_STATUS (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiExReleaseMutex
+ *
+ * PARAMETERS:  *ObjDesc            - The object descriptor for this op
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Release a previously acquired Mutex.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiExReleaseMutex (
+    ACPI_OPERAND_OBJECT     *ObjDesc,
+    ACPI_WALK_STATE         *WalkState)
+{
+    ACPI_STATUS             Status;
+
+
+    ACPI_FUNCTION_TRACE ("ExReleaseMutex");
+
+
+    if (!ObjDesc)
+    {
+        return_ACPI_STATUS (AE_BAD_PARAMETER);
+    }
+
+    /* The mutex must have been previously acquired in order to release it */
+
+    if (!ObjDesc->Mutex.OwnerThread)
+    {
+        ACPI_REPORT_ERROR (("Cannot release Mutex [%4.4s], not acquired\n",
+                ObjDesc->Mutex.Node->Name.Ascii));
+        return_ACPI_STATUS (AE_AML_MUTEX_NOT_ACQUIRED);
+    }
+
+    /* Sanity check -- we must have a valid thread ID */
+
+    if (!WalkState->Thread)
+    {
+        ACPI_REPORT_ERROR (("Cannot release Mutex [%4.4s], null thread info\n",
+                ObjDesc->Mutex.Node->Name.Ascii));
+        return_ACPI_STATUS (AE_AML_INTERNAL);
+    }
+
+    /* The Mutex is owned, but this thread must be the owner */
+
+    if (ObjDesc->Mutex.OwnerThread->ThreadId != WalkState->Thread->ThreadId)
+    {
+        ACPI_REPORT_ERROR ((
+            "Thread %X cannot release Mutex [%4.4s] acquired by thread %X\n",
+            WalkState->Thread->ThreadId,
+            ObjDesc->Mutex.Node->Name.Ascii, 
+            ObjDesc->Mutex.OwnerThread->ThreadId));
+        return_ACPI_STATUS (AE_AML_NOT_OWNER);
+    }
+
+    /*
+     * The sync level of the mutex must be less than or
+     * equal to the current sync level
+     */
+    if (ObjDesc->Mutex.SyncLevel > WalkState->Thread->CurrentSyncLevel)
+    {
+        ACPI_REPORT_ERROR (("Cannot release Mutex [%4.4s], incorrect SyncLevel\n",
+                ObjDesc->Mutex.Node->Name.Ascii));
+        return_ACPI_STATUS (AE_AML_MUTEX_ORDER);
+    }
+
+    /*
+     * Match multiple Acquires with multiple Releases
+     */
+    ObjDesc->Mutex.AcquisitionDepth--;
+    if (ObjDesc->Mutex.AcquisitionDepth != 0)
+    {
+        /* Just decrement the depth and return */
+
+        return_ACPI_STATUS (AE_OK);
+    }
+
+    /* Unlink the mutex from the owner's list */
+
+    AcpiExUnlinkMutex (ObjDesc);
+
+    /* Release the mutex */
+
+    Status = AcpiExSystemReleaseMutex (ObjDesc);
+
+    /* Update the mutex and walk state */
+
+    ObjDesc->Mutex.OwnerThread = NULL;
+    WalkState->Thread->CurrentSyncLevel = ObjDesc->Mutex.SyncLevel;
+
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiExReleaseAllMutexes
+ *
+ * PARAMETERS:  *MutexList            - Head of the mutex list
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Release all mutexes in the list
+ *
+ ******************************************************************************/
+
+void
+AcpiExReleaseAllMutexes (
+    ACPI_THREAD_STATE       *Thread)
+{
+    ACPI_OPERAND_OBJECT     *Next = Thread->AcquiredMutexList;
+    ACPI_OPERAND_OBJECT     *This;
+    ACPI_STATUS             Status;
+
+
+    ACPI_FUNCTION_ENTRY ();
+
+
+    /*
+     * Traverse the list of owned mutexes, releasing each one.
+     */
+    while (Next)
+    {
+        This = Next;
+        Next = This->Mutex.Next;
+
+        This->Mutex.AcquisitionDepth = 1;
+        This->Mutex.Prev             = NULL;
+        This->Mutex.Next             = NULL;
+
+         /* Release the mutex */
+
+        Status = AcpiExSystemReleaseMutex (This);
+        if (ACPI_FAILURE (Status))
+        {
+            continue;
+        }
+
+        /* Mark mutex unowned */
+
+        This->Mutex.OwnerThread      = NULL;
+    }
+}
+
+
diff --git a/sys/contrib/dev/acpica/exnames.c b/sys/contrib/dev/acpica/exnames.c
new file mode 100644
index 0000000..8069189
--- /dev/null
+++ b/sys/contrib/dev/acpica/exnames.c
@@ -0,0 +1,531 @@
+
+/******************************************************************************
+ *
+ * Module Name: exnames - interpreter/scanner name load/execute
+ *              $Revision: 92 $
+ *
+ *****************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+#define __EXNAMES_C__
+
+#include "acpi.h"
+#include "acinterp.h"
+#include "amlcode.h"
+
+#define _COMPONENT          ACPI_EXECUTER
+        ACPI_MODULE_NAME    ("exnames")
+
+
+/* AML Package Length encodings */
+
+#define ACPI_AML_PACKAGE_TYPE1   0x40
+#define ACPI_AML_PACKAGE_TYPE2   0x4000
+#define ACPI_AML_PACKAGE_TYPE3   0x400000
+#define ACPI_AML_PACKAGE_TYPE4   0x40000000
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiExAllocateNameString
+ *
+ * PARAMETERS:  PrefixCount         - Count of parent levels. Special cases:
+ *                                    (-1) = root,  0 = none
+ *              NumNameSegs         - count of 4-character name segments
+ *
+ * RETURN:      A pointer to the allocated string segment.  This segment must
+ *              be deleted by the caller.
+ *
+ * DESCRIPTION: Allocate a buffer for a name string. Ensure allocated name
+ *              string is long enough, and set up prefix if any.
+ *
+ ******************************************************************************/
+
+NATIVE_CHAR *
+AcpiExAllocateNameString (
+    UINT32                  PrefixCount,
+    UINT32                  NumNameSegs)
+{
+    NATIVE_CHAR             *TempPtr;
+    NATIVE_CHAR             *NameString;
+    UINT32                   SizeNeeded;
+
+    ACPI_FUNCTION_TRACE ("ExAllocateNameString");
+
+
+    /*
+     * Allow room for all \ and ^ prefixes, all segments, and a MultiNamePrefix.
+     * Also, one byte for the null terminator.
+     * This may actually be somewhat longer than needed.
+     */
+    if (PrefixCount == ACPI_UINT32_MAX)
+    {
+        /* Special case for root */
+
+        SizeNeeded = 1 + (ACPI_NAME_SIZE * NumNameSegs) + 2 + 1;
+    }
+    else
+    {
+        SizeNeeded = PrefixCount + (ACPI_NAME_SIZE * NumNameSegs) + 2 + 1;
+    }
+
+    /*
+     * Allocate a buffer for the name.
+     * This buffer must be deleted by the caller!
+     */
+    NameString = ACPI_MEM_ALLOCATE (SizeNeeded);
+    if (!NameString)
+    {
+        ACPI_REPORT_ERROR (("ExAllocateNameString: Could not allocate size %d\n", SizeNeeded));
+        return_PTR (NULL);
+    }
+
+    TempPtr = NameString;
+
+    /* Set up Root or Parent prefixes if needed */
+
+    if (PrefixCount == ACPI_UINT32_MAX)
+    {
+        *TempPtr++ = AML_ROOT_PREFIX;
+    }
+    else
+    {
+        while (PrefixCount--)
+        {
+            *TempPtr++ = AML_PARENT_PREFIX;
+        }
+    }
+
+
+    /* Set up Dual or Multi prefixes if needed */
+
+    if (NumNameSegs > 2)
+    {
+        /* Set up multi prefixes   */
+
+        *TempPtr++ = AML_MULTI_NAME_PREFIX_OP;
+        *TempPtr++ = (char) NumNameSegs;
+    }
+    else if (2 == NumNameSegs)
+    {
+        /* Set up dual prefixes */
+
+        *TempPtr++ = AML_DUAL_NAME_PREFIX;
+    }
+
+    /*
+     * Terminate string following prefixes. AcpiExNameSegment() will
+     * append the segment(s)
+     */
+    *TempPtr = 0;
+
+    return_PTR (NameString);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiExNameSegment
+ *
+ * PARAMETERS:  InterpreterMode     - Current running mode (load1/Load2/Exec)
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Execute a name segment (4 bytes)
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiExNameSegment (
+    UINT8                   **InAmlAddress,
+    NATIVE_CHAR             *NameString)
+{
+    char                    *AmlAddress = (void *) *InAmlAddress;
+    ACPI_STATUS             Status = AE_OK;
+    UINT32                  Index;
+    char                    CharBuf[5];
+
+
+    ACPI_FUNCTION_TRACE ("ExNameSegment");
+
+
+    /*
+     * If first character is a digit, then we know that we aren't looking at a
+     * valid name segment
+     */
+    CharBuf[0] = *AmlAddress;
+
+    if ('0' <= CharBuf[0] && CharBuf[0] <= '9')
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "leading digit: %c\n", CharBuf[0]));
+        return_ACPI_STATUS (AE_CTRL_PENDING);
+    }
+
+    ACPI_DEBUG_PRINT ((ACPI_DB_LOAD, "Bytes from stream:\n"));
+
+    for (Index = 0;
+        (Index < ACPI_NAME_SIZE) && (AcpiUtValidAcpiCharacter (*AmlAddress));
+        Index++)
+    {
+        CharBuf[Index] = *AmlAddress++;
+        ACPI_DEBUG_PRINT ((ACPI_DB_LOAD, "%c\n", CharBuf[Index]));
+    }
+
+
+    /* Valid name segment  */
+
+    if (Index == 4)
+    {
+        /* Found 4 valid characters */
+
+        CharBuf[4] = '\0';
+
+        if (NameString)
+        {
+            ACPI_STRCAT (NameString, CharBuf);
+            ACPI_DEBUG_PRINT ((ACPI_DB_NAMES,
+                "Appended to - %s \n", NameString));
+        }
+        else
+        {
+            ACPI_DEBUG_PRINT ((ACPI_DB_NAMES,
+                "No Name string - %s \n", CharBuf));
+        }
+    }
+    else if (Index == 0)
+    {
+        /*
+         * First character was not a valid name character,
+         * so we are looking at something other than a name.
+         */
+        ACPI_DEBUG_PRINT ((ACPI_DB_INFO,
+            "Leading character is not alpha: %02Xh (not a name)\n",
+            CharBuf[0]));
+        Status = AE_CTRL_PENDING;
+    }
+    else
+    {
+        /* Segment started with one or more valid characters, but fewer than 4 */
+
+        Status = AE_AML_BAD_NAME;
+        ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Bad character %02x in name, at %p\n",
+            *AmlAddress, AmlAddress));
+    }
+
+    *InAmlAddress = (UINT8 *) AmlAddress;
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiExGetNameString
+ *
+ * PARAMETERS:  DataType            - Data type to be associated with this name
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Get a name, including any prefixes.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiExGetNameString (
+    ACPI_OBJECT_TYPE        DataType,
+    UINT8                   *InAmlAddress,
+    NATIVE_CHAR             **OutNameString,
+    UINT32                  *OutNameLength)
+{
+    ACPI_STATUS             Status = AE_OK;
+    UINT8                   *AmlAddress = InAmlAddress;
+    NATIVE_CHAR             *NameString = NULL;
+    UINT32                  NumSegments;
+    UINT32                  PrefixCount = 0;
+    BOOLEAN                 HasPrefix = FALSE;
+
+
+    ACPI_FUNCTION_TRACE_PTR ("ExGetNameString", AmlAddress);
+
+
+    if (ACPI_TYPE_LOCAL_REGION_FIELD == DataType   ||
+        ACPI_TYPE_LOCAL_BANK_FIELD == DataType     ||
+        ACPI_TYPE_LOCAL_INDEX_FIELD == DataType)
+    {
+        /* Disallow prefixes for types associated with FieldUnit names */
+
+        NameString = AcpiExAllocateNameString (0, 1);
+        if (!NameString)
+        {
+            Status = AE_NO_MEMORY;
+        }
+        else
+        {
+            Status = AcpiExNameSegment (&AmlAddress, NameString);
+        }
+    }
+    else
+    {
+        /*
+         * DataType is not a field name.
+         * Examine first character of name for root or parent prefix operators
+         */
+        switch (*AmlAddress)
+        {
+        case AML_ROOT_PREFIX:
+
+            ACPI_DEBUG_PRINT ((ACPI_DB_LOAD, "RootPrefix(\\) at %p\n", AmlAddress));
+
+            /*
+             * Remember that we have a RootPrefix --
+             * see comment in AcpiExAllocateNameString()
+             */
+            AmlAddress++;
+            PrefixCount = ACPI_UINT32_MAX;
+            HasPrefix = TRUE;
+            break;
+
+
+        case AML_PARENT_PREFIX:
+
+            /* Increment past possibly multiple parent prefixes */
+
+            do
+            {
+                ACPI_DEBUG_PRINT ((ACPI_DB_LOAD, "ParentPrefix (^) at %p\n", AmlAddress));
+
+                AmlAddress++;
+                PrefixCount++;
+
+            } while (*AmlAddress == AML_PARENT_PREFIX);
+
+            HasPrefix = TRUE;
+            break;
+
+
+        default:
+
+            /* Not a prefix character */
+
+            break;
+        }
+
+
+        /* Examine first character of name for name segment prefix operator */
+
+        switch (*AmlAddress)
+        {
+        case AML_DUAL_NAME_PREFIX:
+
+            ACPI_DEBUG_PRINT ((ACPI_DB_LOAD, "DualNamePrefix at %p\n", AmlAddress));
+
+            AmlAddress++;
+            NameString = AcpiExAllocateNameString (PrefixCount, 2);
+            if (!NameString)
+            {
+                Status = AE_NO_MEMORY;
+                break;
+            }
+
+            /* Indicate that we processed a prefix */
+
+            HasPrefix = TRUE;
+
+            Status = AcpiExNameSegment (&AmlAddress, NameString);
+            if (ACPI_SUCCESS (Status))
+            {
+                Status = AcpiExNameSegment (&AmlAddress, NameString);
+            }
+            break;
+
+
+        case AML_MULTI_NAME_PREFIX_OP:
+
+            ACPI_DEBUG_PRINT ((ACPI_DB_LOAD, "MultiNamePrefix at %p\n", AmlAddress));
+
+            /* Fetch count of segments remaining in name path */
+
+            AmlAddress++;
+            NumSegments = *AmlAddress;
+
+            NameString = AcpiExAllocateNameString (PrefixCount, NumSegments);
+            if (!NameString)
+            {
+                Status = AE_NO_MEMORY;
+                break;
+            }
+
+            /* Indicate that we processed a prefix */
+
+            AmlAddress++;
+            HasPrefix = TRUE;
+
+            while (NumSegments &&
+                    (Status = AcpiExNameSegment (&AmlAddress, NameString)) == AE_OK)
+            {
+                NumSegments--;
+            }
+
+            break;
+
+
+        case 0:
+
+            /* NullName valid as of 8-12-98 ASL/AML Grammar Update */
+
+            if (PrefixCount == ACPI_UINT32_MAX)
+            {
+                ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "NameSeg is \"\\\" followed by NULL\n"));
+            }
+
+            /* Consume the NULL byte */
+
+            AmlAddress++;
+            NameString = AcpiExAllocateNameString (PrefixCount, 0);
+            if (!NameString)
+            {
+                Status = AE_NO_MEMORY;
+                break;
+            }
+
+            break;
+
+
+        default:
+
+            /* Name segment string */
+
+            NameString = AcpiExAllocateNameString (PrefixCount, 1);
+            if (!NameString)
+            {
+                Status = AE_NO_MEMORY;
+                break;
+            }
+
+            Status = AcpiExNameSegment (&AmlAddress, NameString);
+            break;
+        }
+    }
+
+    if (AE_CTRL_PENDING == Status && HasPrefix)
+    {
+        /* Ran out of segments after processing a prefix */
+
+        ACPI_REPORT_ERROR (
+            ("ExDoName: Malformed Name at %p\n", NameString));
+        Status = AE_AML_BAD_NAME;
+    }
+
+    *OutNameString = NameString;
+    *OutNameLength = (UINT32) (AmlAddress - InAmlAddress);
+
+    return_ACPI_STATUS (Status);
+}
+
+
diff --git a/sys/contrib/dev/acpica/exoparg1.c b/sys/contrib/dev/acpica/exoparg1.c
new file mode 100644
index 0000000..1600e62
--- /dev/null
+++ b/sys/contrib/dev/acpica/exoparg1.c
@@ -0,0 +1,984 @@
+
+/******************************************************************************
+ *
+ * Module Name: exoparg1 - AML execution - opcodes with 1 argument
+ *              $Revision: 146 $
+ *
+ *****************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+#define __EXOPARG1_C__
+
+#include "acpi.h"
+#include "acparser.h"
+#include "acdispat.h"
+#include "acinterp.h"
+#include "amlcode.h"
+#include "acnamesp.h"
+
+
+#define _COMPONENT          ACPI_EXECUTER
+        ACPI_MODULE_NAME    ("exoparg1")
+
+
+/*!
+ * Naming convention for AML interpreter execution routines.
+ *
+ * The routines that begin execution of AML opcodes are named with a common
+ * convention based upon the number of arguments, the number of target operands,
+ * and whether or not a value is returned:
+ *
+ *      AcpiExOpcode_xA_yT_zR
+ *
+ * Where:
+ *
+ * xA - ARGUMENTS:    The number of arguments (input operands) that are
+ *                    required for this opcode type (1 through 6 args).
+ * yT - TARGETS:      The number of targets (output operands) that are required
+ *                    for this opcode type (0, 1, or 2 targets).
+ * zR - RETURN VALUE: Indicates whether this opcode type returns a value
+ *                    as the function return (0 or 1).
+ *
+ * The AcpiExOpcode* functions are called via the Dispatcher component with
+ * fully resolved operands.
+!*/
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiExOpcode_1A_0T_0R
+ *
+ * PARAMETERS:  WalkState           - Current state (contains AML opcode)
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Execute Type 1 monadic operator with numeric operand on
+ *              object stack
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiExOpcode_1A_0T_0R (
+    ACPI_WALK_STATE         *WalkState)
+{
+    ACPI_OPERAND_OBJECT     **Operand = &WalkState->Operands[0];
+    ACPI_STATUS             Status = AE_OK;
+
+
+    ACPI_FUNCTION_TRACE_STR ("ExOpcode_1A_0T_0R", AcpiPsGetOpcodeName (WalkState->Opcode));
+
+
+    /* Examine the AML opcode */
+
+    switch (WalkState->Opcode)
+    {
+    case AML_RELEASE_OP:    /*  Release (MutexObject) */
+
+        Status = AcpiExReleaseMutex (Operand[0], WalkState);
+        break;
+
+
+    case AML_RESET_OP:      /*  Reset (EventObject) */
+
+        Status = AcpiExSystemResetEvent (Operand[0]);
+        break;
+
+
+    case AML_SIGNAL_OP:     /*  Signal (EventObject) */
+
+        Status = AcpiExSystemSignalEvent (Operand[0]);
+        break;
+
+
+    case AML_SLEEP_OP:      /*  Sleep (MsecTime) */
+
+        Status = AcpiExSystemDoSuspend ((UINT32) Operand[0]->Integer.Value);
+        break;
+
+
+    case AML_STALL_OP:      /*  Stall (UsecTime) */
+
+        Status = AcpiExSystemDoStall ((UINT32) Operand[0]->Integer.Value);
+        break;
+
+
+    case AML_UNLOAD_OP:     /*  Unload (Handle) */
+
+        Status = AcpiExUnloadTable (Operand[0]);
+        break;
+
+
+    default:                /*  Unknown opcode  */
+
+        ACPI_REPORT_ERROR (("AcpiExOpcode_1A_0T_0R: Unknown opcode %X\n",
+            WalkState->Opcode));
+        Status = AE_AML_BAD_OPCODE;
+        break;
+    }
+
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiExOpcode_1A_1T_0R
+ *
+ * PARAMETERS:  WalkState           - Current state (contains AML opcode)
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Execute opcode with one argument, one target, and no
+ *              return value.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiExOpcode_1A_1T_0R (
+    ACPI_WALK_STATE         *WalkState)
+{
+    ACPI_STATUS             Status = AE_OK;
+    ACPI_OPERAND_OBJECT     **Operand = &WalkState->Operands[0];
+
+
+    ACPI_FUNCTION_TRACE_STR ("ExOpcode_1A_1T_0R", AcpiPsGetOpcodeName (WalkState->Opcode));
+
+
+    /* Examine the AML opcode */
+
+    switch (WalkState->Opcode)
+    {
+    case AML_LOAD_OP:
+
+        Status = AcpiExLoadOp (Operand[0], Operand[1], WalkState);
+        break;
+
+    default:                        /* Unknown opcode */
+
+        ACPI_REPORT_ERROR (("AcpiExOpcode_1A_1T_0R: Unknown opcode %X\n",
+            WalkState->Opcode));
+        Status = AE_AML_BAD_OPCODE;
+        goto Cleanup;
+    }
+
+
+Cleanup:
+
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiExOpcode_1A_1T_1R
+ *
+ * PARAMETERS:  WalkState           - Current state (contains AML opcode)
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Execute opcode with one argument, one target, and a
+ *              return value.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiExOpcode_1A_1T_1R (
+    ACPI_WALK_STATE         *WalkState)
+{
+    ACPI_STATUS             Status = AE_OK;
+    ACPI_OPERAND_OBJECT     **Operand = &WalkState->Operands[0];
+    ACPI_OPERAND_OBJECT     *ReturnDesc = NULL;
+    ACPI_OPERAND_OBJECT     *ReturnDesc2 = NULL;
+    UINT32                  Temp32;
+    UINT32                  i;
+    UINT32                  j;
+    ACPI_INTEGER            Digit;
+
+
+    ACPI_FUNCTION_TRACE_STR ("ExOpcode_1A_1T_1R", AcpiPsGetOpcodeName (WalkState->Opcode));
+
+
+    /* Examine the AML opcode */
+
+    switch (WalkState->Opcode)
+    {
+    case AML_BIT_NOT_OP:
+    case AML_FIND_SET_LEFT_BIT_OP:
+    case AML_FIND_SET_RIGHT_BIT_OP:
+    case AML_FROM_BCD_OP:
+    case AML_TO_BCD_OP:
+    case AML_COND_REF_OF_OP:
+
+        /* Create a return object of type Integer for these opcodes */
+
+        ReturnDesc = AcpiUtCreateInternalObject (ACPI_TYPE_INTEGER);
+        if (!ReturnDesc)
+        {
+            Status = AE_NO_MEMORY;
+            goto Cleanup;
+        }
+
+        switch (WalkState->Opcode)
+        {
+        case AML_BIT_NOT_OP:            /* Not (Operand, Result)  */
+
+            ReturnDesc->Integer.Value = ~Operand[0]->Integer.Value;
+            break;
+
+
+        case AML_FIND_SET_LEFT_BIT_OP:  /* FindSetLeftBit (Operand, Result) */
+
+            ReturnDesc->Integer.Value = Operand[0]->Integer.Value;
+
+            /*
+             * Acpi specification describes Integer type as a little
+             * endian unsigned value, so this boundary condition is valid.
+             */
+            for (Temp32 = 0; ReturnDesc->Integer.Value && Temp32 < ACPI_INTEGER_BIT_SIZE; ++Temp32)
+            {
+                ReturnDesc->Integer.Value >>= 1;
+            }
+
+            ReturnDesc->Integer.Value = Temp32;
+            break;
+
+
+        case AML_FIND_SET_RIGHT_BIT_OP: /* FindSetRightBit (Operand, Result)  */
+
+            ReturnDesc->Integer.Value = Operand[0]->Integer.Value;
+
+            /*
+             * The Acpi specification describes Integer type as a little
+             * endian unsigned value, so this boundary condition is valid.
+             */
+            for (Temp32 = 0; ReturnDesc->Integer.Value && Temp32 < ACPI_INTEGER_BIT_SIZE; ++Temp32)
+            {
+                ReturnDesc->Integer.Value <<= 1;
+            }
+
+            /* Since the bit position is one-based, subtract from 33 (65) */
+
+            ReturnDesc->Integer.Value = Temp32 == 0 ? 0 : (ACPI_INTEGER_BIT_SIZE + 1) - Temp32;
+            break;
+
+
+        case AML_FROM_BCD_OP:           /* FromBcd (BCDValue, Result)  */
+
+            /*
+             * The 64-bit ACPI integer can hold 16 4-bit BCD integers
+             */
+            ReturnDesc->Integer.Value = 0;
+            for (i = 0; i < ACPI_MAX_BCD_DIGITS; i++)
+            {
+                /* Get one BCD digit */
+
+                Digit = (ACPI_INTEGER) ((Operand[0]->Integer.Value >> (i * 4)) & 0xF);
+
+                /* Check the range of the digit */
+
+                if (Digit > 9)
+                {
+                    ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "BCD digit too large: %d\n",
+                        (UINT32) Digit));
+                    Status = AE_AML_NUMERIC_OVERFLOW;
+                    goto Cleanup;
+                }
+
+                if (Digit > 0)
+                {
+                    /* Sum into the result with the appropriate power of 10 */
+
+                    for (j = 0; j < i; j++)
+                    {
+                        Digit *= 10;
+                    }
+
+                    ReturnDesc->Integer.Value += Digit;
+                }
+            }
+            break;
+
+
+        case AML_TO_BCD_OP:             /* ToBcd (Operand, Result)  */
+
+            if (Operand[0]->Integer.Value > ACPI_MAX_BCD_VALUE)
+            {
+                ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "BCD overflow: %8.8X%8.8X\n",
+                    ACPI_HIDWORD(Operand[0]->Integer.Value),
+                    ACPI_LODWORD(Operand[0]->Integer.Value)));
+                Status = AE_AML_NUMERIC_OVERFLOW;
+                goto Cleanup;
+            }
+
+            ReturnDesc->Integer.Value = 0;
+            for (i = 0; i < ACPI_MAX_BCD_DIGITS; i++)
+            {
+                /* Divide by nth factor of 10 */
+
+                Temp32 = 0;
+                Digit = Operand[0]->Integer.Value;
+                for (j = 0; j < i; j++)
+                {
+                    (void) AcpiUtShortDivide (&Digit, 10, &Digit, &Temp32);
+                }
+
+                /* Create the BCD digit from the remainder above */
+
+                if (Digit > 0)
+                {
+                    ReturnDesc->Integer.Value += ((ACPI_INTEGER) Temp32 << (i * 4));
+                }
+            }
+            break;
+
+
+        case AML_COND_REF_OF_OP:        /* CondRefOf (SourceObject, Result)  */
+
+            /*
+             * This op is a little strange because the internal return value is
+             * different than the return value stored in the result descriptor
+             * (There are really two return values)
+             */
+            if ((ACPI_NAMESPACE_NODE *) Operand[0] == AcpiGbl_RootNode)
+            {
+                /*
+                 * This means that the object does not exist in the namespace,
+                 * return FALSE
+                 */
+                ReturnDesc->Integer.Value = 0;
+                goto Cleanup;
+            }
+
+            /* Get the object reference, store it, and remove our reference */
+
+            Status = AcpiExGetObjectReference (Operand[0], &ReturnDesc2, WalkState);
+            if (ACPI_FAILURE (Status))
+            {
+                goto Cleanup;
+            }
+
+            Status = AcpiExStore (ReturnDesc2, Operand[1], WalkState);
+            AcpiUtRemoveReference (ReturnDesc2);
+
+            /* The object exists in the namespace, return TRUE */
+
+            ReturnDesc->Integer.Value = ACPI_INTEGER_MAX;
+            goto Cleanup;
+
+
+        default:
+            /* No other opcodes get here */
+            break;
+        }
+        break;
+
+
+    case AML_STORE_OP:              /* Store (Source, Target) */
+
+        /*
+         * A store operand is typically a number, string, buffer or lvalue
+         * Be careful about deleting the source object,
+         * since the object itself may have been stored.
+         */
+        Status = AcpiExStore (Operand[0], Operand[1], WalkState);
+        if (ACPI_FAILURE (Status))
+        {
+            return_ACPI_STATUS (Status);
+        }
+
+        /* It is possible that the Store already produced a return object */
+
+        if (!WalkState->ResultObj)
+        {
+            /*
+             * Normally, we would remove a reference on the Operand[0] parameter;
+             * But since it is being used as the internal return object
+             * (meaning we would normally increment it), the two cancel out,
+             * and we simply don't do anything.
+             */
+            WalkState->ResultObj = Operand[0];
+            WalkState->Operands[0] = NULL;  /* Prevent deletion */
+        }
+        return_ACPI_STATUS (Status);
+
+
+    /*
+     * ACPI 2.0 Opcodes
+     */
+    case AML_COPY_OP:               /* Copy (Source, Target) */
+
+        Status = AcpiUtCopyIobjectToIobject (Operand[0], &ReturnDesc, WalkState);
+        break;
+
+
+    case AML_TO_DECSTRING_OP:       /* ToDecimalString (Data, Result) */
+
+        Status = AcpiExConvertToString (Operand[0], &ReturnDesc, 10, ACPI_UINT32_MAX, WalkState);
+        break;
+
+
+    case AML_TO_HEXSTRING_OP:       /* ToHexString (Data, Result) */
+
+        Status = AcpiExConvertToString (Operand[0], &ReturnDesc, 16, ACPI_UINT32_MAX, WalkState);
+        break;
+
+
+    case AML_TO_BUFFER_OP:          /* ToBuffer (Data, Result) */
+
+        Status = AcpiExConvertToBuffer (Operand[0], &ReturnDesc, WalkState);
+        break;
+
+
+    case AML_TO_INTEGER_OP:         /* ToInteger (Data, Result) */
+
+        Status = AcpiExConvertToInteger (Operand[0], &ReturnDesc, WalkState);
+        break;
+
+
+    case AML_SHIFT_LEFT_BIT_OP:     /*  ShiftLeftBit (Source, BitNum)  */
+    case AML_SHIFT_RIGHT_BIT_OP:    /*  ShiftRightBit (Source, BitNum) */
+
+        /*
+         * These are two obsolete opcodes
+         */
+        ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "%s is obsolete and not implemented\n",
+                        AcpiPsGetOpcodeName (WalkState->Opcode)));
+        Status = AE_SUPPORT;
+        goto Cleanup;
+
+
+    default:                        /* Unknown opcode */
+
+        ACPI_REPORT_ERROR (("AcpiExOpcode_1A_1T_1R: Unknown opcode %X\n",
+            WalkState->Opcode));
+        Status = AE_AML_BAD_OPCODE;
+        goto Cleanup;
+    }
+
+    /*
+     * Store the return value computed above into the target object
+     */
+    Status = AcpiExStore (ReturnDesc, Operand[1], WalkState);
+
+
+Cleanup:
+
+    if (!WalkState->ResultObj)
+    {
+        WalkState->ResultObj = ReturnDesc;
+    }
+
+    /* Delete return object on error */
+
+    if (ACPI_FAILURE (Status))
+    {
+        AcpiUtRemoveReference (ReturnDesc);
+    }
+
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiExOpcode_1A_0T_1R
+ *
+ * PARAMETERS:  WalkState           - Current state (contains AML opcode)
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Execute opcode with one argument, no target, and a return value
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiExOpcode_1A_0T_1R (
+    ACPI_WALK_STATE         *WalkState)
+{
+    ACPI_OPERAND_OBJECT     **Operand = &WalkState->Operands[0];
+    ACPI_OPERAND_OBJECT     *TempDesc;
+    ACPI_OPERAND_OBJECT     *ReturnDesc = NULL;
+    ACPI_STATUS             Status = AE_OK;
+    UINT32                  Type;
+    ACPI_INTEGER            Value;
+
+
+    ACPI_FUNCTION_TRACE_STR ("ExOpcode_1A_0T_0R", AcpiPsGetOpcodeName (WalkState->Opcode));
+
+
+    /* Examine the AML opcode */
+
+    switch (WalkState->Opcode)
+    {
+    case AML_LNOT_OP:               /* LNot (Operand) */
+
+        ReturnDesc = AcpiUtCreateInternalObject (ACPI_TYPE_INTEGER);
+        if (!ReturnDesc)
+        {
+            Status = AE_NO_MEMORY;
+            goto Cleanup;
+        }
+
+        ReturnDesc->Integer.Value = !Operand[0]->Integer.Value;
+        break;
+
+
+    case AML_DECREMENT_OP:          /* Decrement (Operand)  */
+    case AML_INCREMENT_OP:          /* Increment (Operand)  */
+
+        /*
+         * Since we are expecting a Reference operand, it
+         * can be either a NS Node or an internal object.
+         */
+        ReturnDesc = Operand[0];
+        if (ACPI_GET_DESCRIPTOR_TYPE (Operand[0]) == ACPI_DESC_TYPE_OPERAND)
+        {
+            /* Internal reference object - prevent deletion */
+
+            AcpiUtAddReference (ReturnDesc);
+        }
+
+        /*
+         * Convert the ReturnDesc Reference to a Number
+         * (This removes a reference on the ReturnDesc object)
+         */
+        Status = AcpiExResolveOperands (AML_LNOT_OP, &ReturnDesc, WalkState);
+        if (ACPI_FAILURE (Status))
+        {
+            ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "%s: bad operand(s) %s\n",
+                AcpiPsGetOpcodeName (WalkState->Opcode), AcpiFormatException(Status)));
+
+            goto Cleanup;
+        }
+
+        /*
+         * ReturnDesc is now guaranteed to be an Integer object
+         * Do the actual increment or decrement
+         */
+        if (AML_INCREMENT_OP == WalkState->Opcode)
+        {
+            ReturnDesc->Integer.Value++;
+        }
+        else
+        {
+            ReturnDesc->Integer.Value--;
+        }
+
+        /* Store the result back in the original descriptor */
+
+        Status = AcpiExStore (ReturnDesc, Operand[0], WalkState);
+        break;
+
+
+    case AML_TYPE_OP:               /* ObjectType (SourceObject) */
+
+        /* Get the type of the base object */
+
+        Status = AcpiExResolveMultiple (WalkState, Operand[0], &Type, NULL);
+        if (ACPI_FAILURE (Status))
+        {
+            goto Cleanup;
+        }
+
+        /* Allocate a descriptor to hold the type. */
+
+        ReturnDesc = AcpiUtCreateInternalObject (ACPI_TYPE_INTEGER);
+        if (!ReturnDesc)
+        {
+            Status = AE_NO_MEMORY;
+            goto Cleanup;
+        }
+
+        ReturnDesc->Integer.Value = Type;
+        break;
+
+
+    case AML_SIZE_OF_OP:            /* SizeOf (SourceObject)  */
+
+        /* Get the base object */
+
+        Status = AcpiExResolveMultiple (WalkState, Operand[0], &Type, &TempDesc);
+        if (ACPI_FAILURE (Status))
+        {
+            goto Cleanup;
+        }
+
+        /*
+         * Type is guaranteed to be a buffer, string, or package at this
+         * point (even if the original operand was an object reference, it
+         * will be resolved and typechecked during operand resolution.)
+         */
+        switch (Type)
+        {
+        case ACPI_TYPE_BUFFER:
+            Value = TempDesc->Buffer.Length;
+            break;
+
+        case ACPI_TYPE_STRING:
+            Value = TempDesc->String.Length;
+            break;
+
+        case ACPI_TYPE_PACKAGE:
+            Value = TempDesc->Package.Count;
+            break;
+
+        default:
+            ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "SizeOf, Not Buf/Str/Pkg - found type %s\n",
+                AcpiUtGetTypeName (Type)));
+            Status = AE_AML_OPERAND_TYPE;
+            goto Cleanup;
+        }
+
+        /*
+         * Now that we have the size of the object, create a result
+         * object to hold the value
+         */
+        ReturnDesc = AcpiUtCreateInternalObject (ACPI_TYPE_INTEGER);
+        if (!ReturnDesc)
+        {
+            Status = AE_NO_MEMORY;
+            goto Cleanup;
+        }
+
+        ReturnDesc->Integer.Value = Value;
+        break;
+
+
+    case AML_REF_OF_OP:             /* RefOf (SourceObject) */
+
+        Status = AcpiExGetObjectReference (Operand[0], &ReturnDesc, WalkState);
+        if (ACPI_FAILURE (Status))
+        {
+            goto Cleanup;
+        }
+        break;
+
+
+    case AML_DEREF_OF_OP:           /* DerefOf (ObjReference | String) */
+
+        /* Check for a method local or argument, or standalone String */
+
+        if (ACPI_GET_DESCRIPTOR_TYPE (Operand[0]) != ACPI_DESC_TYPE_NAMED)
+        {
+            switch (ACPI_GET_OBJECT_TYPE (Operand[0]))
+            {
+            case ACPI_TYPE_LOCAL_REFERENCE:
+                /*
+                 * This is a DerefOf (LocalX | ArgX)
+                 *
+                 * Must resolve/dereference the local/arg reference first
+                 */
+                switch (Operand[0]->Reference.Opcode)
+                {
+                case AML_LOCAL_OP:
+                case AML_ARG_OP:
+
+                    /* Set Operand[0] to the value of the local/arg */
+
+                    Status = AcpiDsMethodDataGetValue (Operand[0]->Reference.Opcode,
+                                Operand[0]->Reference.Offset, WalkState, &TempDesc);
+                    if (ACPI_FAILURE (Status))
+                    {
+                        goto Cleanup;
+                    }
+
+                    /*
+                     * Delete our reference to the input object and
+                     * point to the object just retrieved
+                     */
+                    AcpiUtRemoveReference (Operand[0]);
+                    Operand[0] = TempDesc;
+                    break;
+
+                case AML_REF_OF_OP:
+
+                    /* Get the object to which the reference refers */
+
+                    TempDesc = Operand[0]->Reference.Object;
+                    AcpiUtRemoveReference (Operand[0]);
+                    Operand[0] = TempDesc;
+                    break;
+
+                default:
+
+                    /* Must be an Index op - handled below */
+                    break;
+                }
+                break;
+
+
+            case ACPI_TYPE_STRING:
+
+                /*
+                 * This is a DerefOf (String).  The string is a reference to a named ACPI object.
+                 *
+                 * 1) Find the owning Node
+                 * 2) Dereference the node to an actual object.  Could be a Field, so we nee
+                 *    to resolve the node to a value.
+                 */
+                Status = AcpiNsGetNodeByPath (Operand[0]->String.Pointer,
+                                WalkState->ScopeInfo->Scope.Node, ACPI_NS_SEARCH_PARENT,
+                                ACPI_CAST_INDIRECT_PTR (ACPI_NAMESPACE_NODE, &ReturnDesc));
+                if (ACPI_FAILURE (Status))
+                {
+                    goto Cleanup;
+                }
+
+                Status = AcpiExResolveNodeToValue (
+                                ACPI_CAST_INDIRECT_PTR (ACPI_NAMESPACE_NODE, &ReturnDesc), WalkState);
+                goto Cleanup;
+
+
+            default:
+
+                Status = AE_AML_OPERAND_TYPE;
+                goto Cleanup;
+            }
+        }
+
+        /* Operand[0] may have changed from the code above */
+
+        if (ACPI_GET_DESCRIPTOR_TYPE (Operand[0]) == ACPI_DESC_TYPE_NAMED)
+        {
+            /*
+             * This is a DerefOf (ObjectReference)
+             * Get the actual object from the Node (This is the dereference).
+             * -- This case may only happen when a LocalX or ArgX is dereferenced above.
+             */
+            ReturnDesc = AcpiNsGetAttachedObject ((ACPI_NAMESPACE_NODE *) Operand[0]);
+        }
+        else
+        {
+            /*
+             * This must be a reference object produced by either the Index() or
+             * RefOf() operator
+             */
+            switch (Operand[0]->Reference.Opcode)
+            {
+            case AML_INDEX_OP:
+
+                /*
+                 * The target type for the Index operator must be
+                 * either a Buffer or a Package
+                 */
+                switch (Operand[0]->Reference.TargetType)
+                {
+                case ACPI_TYPE_BUFFER_FIELD:
+
+                    TempDesc = Operand[0]->Reference.Object;
+
+                    /*
+                     * Create a new object that contains one element of the
+                     * buffer -- the element pointed to by the index.
+                     *
+                     * NOTE: index into a buffer is NOT a pointer to a
+                     * sub-buffer of the main buffer, it is only a pointer to a
+                     * single element (byte) of the buffer!
+                     */
+                    ReturnDesc = AcpiUtCreateInternalObject (ACPI_TYPE_INTEGER);
+                    if (!ReturnDesc)
+                    {
+                        Status = AE_NO_MEMORY;
+                        goto Cleanup;
+                    }
+
+                    /*
+                     * Since we are returning the value of the buffer at the
+                     * indexed location, we don't need to add an additional
+                     * reference to the buffer itself.
+                     */
+                    ReturnDesc->Integer.Value =
+                        TempDesc->Buffer.Pointer[Operand[0]->Reference.Offset];
+                    break;
+
+
+                case ACPI_TYPE_PACKAGE:
+
+                    /*
+                     * Return the referenced element of the package.  We must add
+                     * another reference to the referenced object, however.
+                     */
+                    ReturnDesc = *(Operand[0]->Reference.Where);
+                    if (!ReturnDesc)
+                    {
+                        /*
+                         * We can't return a NULL dereferenced value.  This is
+                         * an uninitialized package element and is thus a
+                         * severe error.
+                         */
+                        ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "NULL package element obj %p\n",
+                            Operand[0]));
+                        Status = AE_AML_UNINITIALIZED_ELEMENT;
+                        goto Cleanup;
+                    }
+
+                    AcpiUtAddReference (ReturnDesc);
+                    break;
+
+
+                default:
+
+                    ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Unknown Index TargetType %X in obj %p\n",
+                        Operand[0]->Reference.TargetType, Operand[0]));
+                    Status = AE_AML_OPERAND_TYPE;
+                    goto Cleanup;
+                }
+                break;
+
+
+            case AML_REF_OF_OP:
+
+                ReturnDesc = Operand[0]->Reference.Object;
+
+                if (ACPI_GET_DESCRIPTOR_TYPE (ReturnDesc) == ACPI_DESC_TYPE_NAMED)
+                {
+
+                    ReturnDesc = AcpiNsGetAttachedObject ((ACPI_NAMESPACE_NODE *) ReturnDesc);
+                }
+
+                /* Add another reference to the object! */
+
+                AcpiUtAddReference (ReturnDesc);
+                break;
+
+
+            default:
+                ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Unknown opcode in ref(%p) - %X\n",
+                    Operand[0], Operand[0]->Reference.Opcode));
+
+                Status = AE_TYPE;
+                goto Cleanup;
+            }
+        }
+        break;
+
+
+    default:
+
+        ACPI_REPORT_ERROR (("AcpiExOpcode_1A_0T_1R: Unknown opcode %X\n",
+            WalkState->Opcode));
+        Status = AE_AML_BAD_OPCODE;
+        goto Cleanup;
+    }
+
+
+Cleanup:
+
+    /* Delete return object on error */
+
+    if (ACPI_FAILURE (Status))
+    {
+        AcpiUtRemoveReference (ReturnDesc);
+    }
+
+    WalkState->ResultObj = ReturnDesc;
+    return_ACPI_STATUS (Status);
+}
+
diff --git a/sys/contrib/dev/acpica/exoparg2.c b/sys/contrib/dev/acpica/exoparg2.c
new file mode 100644
index 0000000..4d3acbd
--- /dev/null
+++ b/sys/contrib/dev/acpica/exoparg2.c
@@ -0,0 +1,716 @@
+/******************************************************************************
+ *
+ * Module Name: exoparg2 - AML execution - opcodes with 2 arguments
+ *              $Revision: 115 $
+ *
+ *****************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+
+#define __EXOPARG2_C__
+
+#include "acpi.h"
+#include "acparser.h"
+#include "acinterp.h"
+#include "acevents.h"
+#include "amlcode.h"
+
+
+#define _COMPONENT          ACPI_EXECUTER
+        ACPI_MODULE_NAME    ("exoparg2")
+
+
+/*!
+ * Naming convention for AML interpreter execution routines.
+ *
+ * The routines that begin execution of AML opcodes are named with a common
+ * convention based upon the number of arguments, the number of target operands,
+ * and whether or not a value is returned:
+ *
+ *      AcpiExOpcode_xA_yT_zR
+ *
+ * Where:
+ *
+ * xA - ARGUMENTS:    The number of arguments (input operands) that are
+ *                    required for this opcode type (1 through 6 args).
+ * yT - TARGETS:      The number of targets (output operands) that are required
+ *                    for this opcode type (0, 1, or 2 targets).
+ * zR - RETURN VALUE: Indicates whether this opcode type returns a value
+ *                    as the function return (0 or 1).
+ *
+ * The AcpiExOpcode* functions are called via the Dispatcher component with
+ * fully resolved operands.
+!*/
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiExOpcode_2A_0T_0R
+ *
+ * PARAMETERS:  WalkState           - Current walk state
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Execute opcode with two arguments, no target, and no return
+ *              value.
+ *
+ * ALLOCATION:  Deletes both operands
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiExOpcode_2A_0T_0R (
+    ACPI_WALK_STATE         *WalkState)
+{
+    ACPI_OPERAND_OBJECT     **Operand = &WalkState->Operands[0];
+    ACPI_NAMESPACE_NODE     *Node;
+    ACPI_STATUS             Status = AE_OK;
+
+
+    ACPI_FUNCTION_TRACE_STR ("ExOpcode_2A_0T_0R",
+            AcpiPsGetOpcodeName (WalkState->Opcode));
+
+
+    /* Examine the opcode */
+
+    switch (WalkState->Opcode)
+    {
+    case AML_NOTIFY_OP:         /* Notify (NotifyObject, NotifyValue) */
+
+        /* The first operand is a namespace node */
+
+        Node = (ACPI_NAMESPACE_NODE *) Operand[0];
+
+        /* Notifies allowed on this object? */
+
+        if (!AcpiEvIsNotifyObject (Node))
+        {
+            ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Unexpected notify object type [%s]\n",
+                    AcpiUtGetTypeName (Node->Type)));
+
+            Status = AE_AML_OPERAND_TYPE;
+            break;
+        }
+
+        /*
+         * Dispatch the notify to the appropriate handler
+         * NOTE: the request is queued for execution after this method
+         * completes.  The notify handlers are NOT invoked synchronously
+         * from this thread -- because handlers may in turn run other
+         * control methods.
+         */
+        Status = AcpiEvQueueNotifyRequest (Node,
+                        (UINT32) Operand[1]->Integer.Value);
+        break;
+
+
+    default:
+
+        ACPI_REPORT_ERROR (("AcpiExOpcode_2A_0T_0R: Unknown opcode %X\n",
+                WalkState->Opcode));
+        Status = AE_AML_BAD_OPCODE;
+    }
+
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiExOpcode_2A_2T_1R
+ *
+ * PARAMETERS:  WalkState           - Current walk state
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Execute a dyadic operator (2 operands) with 2 output targets
+ *              and one implicit return value.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiExOpcode_2A_2T_1R (
+    ACPI_WALK_STATE         *WalkState)
+{
+    ACPI_OPERAND_OBJECT     **Operand = &WalkState->Operands[0];
+    ACPI_OPERAND_OBJECT     *ReturnDesc1 = NULL;
+    ACPI_OPERAND_OBJECT     *ReturnDesc2 = NULL;
+    ACPI_STATUS             Status;
+
+
+    ACPI_FUNCTION_TRACE_STR ("ExOpcode_2A_2T_1R", AcpiPsGetOpcodeName (WalkState->Opcode));
+
+
+    /*
+     * Execute the opcode
+     */
+    switch (WalkState->Opcode)
+    {
+    case AML_DIVIDE_OP:             /* Divide (Dividend, Divisor, RemainderResult QuotientResult) */
+
+        ReturnDesc1 = AcpiUtCreateInternalObject (ACPI_TYPE_INTEGER);
+        if (!ReturnDesc1)
+        {
+            Status = AE_NO_MEMORY;
+            goto Cleanup;
+        }
+
+        ReturnDesc2 = AcpiUtCreateInternalObject (ACPI_TYPE_INTEGER);
+        if (!ReturnDesc2)
+        {
+            Status = AE_NO_MEMORY;
+            goto Cleanup;
+        }
+
+        /* Quotient to ReturnDesc1, remainder to ReturnDesc2 */
+
+        Status = AcpiUtDivide (&Operand[0]->Integer.Value, &Operand[1]->Integer.Value,
+                               &ReturnDesc1->Integer.Value, &ReturnDesc2->Integer.Value);
+        if (ACPI_FAILURE (Status))
+        {
+            goto Cleanup;
+        }
+        break;
+
+
+    default:
+
+        ACPI_REPORT_ERROR (("AcpiExOpcode_2A_2T_1R: Unknown opcode %X\n",
+                WalkState->Opcode));
+        Status = AE_AML_BAD_OPCODE;
+        goto Cleanup;
+    }
+
+
+    /* Store the results to the target reference operands */
+
+    Status = AcpiExStore (ReturnDesc2, Operand[2], WalkState);
+    if (ACPI_FAILURE (Status))
+    {
+        goto Cleanup;
+    }
+
+    Status = AcpiExStore (ReturnDesc1, Operand[3], WalkState);
+    if (ACPI_FAILURE (Status))
+    {
+        goto Cleanup;
+    }
+
+    /* Return the remainder */
+
+    WalkState->ResultObj = ReturnDesc1;
+
+
+Cleanup:
+    /*
+     * Since the remainder is not returned indirectly, remove a reference to
+     * it. Only the quotient is returned indirectly.
+     */
+    AcpiUtRemoveReference (ReturnDesc2);
+
+    if (ACPI_FAILURE (Status))
+    {
+        /* Delete the return object */
+
+        AcpiUtRemoveReference (ReturnDesc1);
+    }
+
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiExOpcode_2A_1T_1R
+ *
+ * PARAMETERS:  WalkState           - Current walk state
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Execute opcode with two arguments, one target, and a return
+ *              value.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiExOpcode_2A_1T_1R (
+    ACPI_WALK_STATE         *WalkState)
+{
+    ACPI_OPERAND_OBJECT     **Operand = &WalkState->Operands[0];
+    ACPI_OPERAND_OBJECT     *ReturnDesc = NULL;
+    ACPI_OPERAND_OBJECT     *TempDesc = NULL;
+    UINT32                  Index;
+    ACPI_STATUS             Status = AE_OK;
+    ACPI_SIZE               Length;
+
+
+    ACPI_FUNCTION_TRACE_STR ("ExOpcode_2A_1T_1R", AcpiPsGetOpcodeName (WalkState->Opcode));
+
+
+    /*
+     * Execute the opcode
+     */
+    if (WalkState->OpInfo->Flags & AML_MATH)
+    {
+        /* All simple math opcodes (add, etc.) */
+
+        ReturnDesc = AcpiUtCreateInternalObject (ACPI_TYPE_INTEGER);
+        if (!ReturnDesc)
+        {
+            Status = AE_NO_MEMORY;
+            goto Cleanup;
+        }
+
+        ReturnDesc->Integer.Value = AcpiExDoMathOp (WalkState->Opcode,
+                                                Operand[0]->Integer.Value,
+                                                Operand[1]->Integer.Value);
+        goto StoreResultToTarget;
+    }
+
+
+    switch (WalkState->Opcode)
+    {
+    case AML_MOD_OP:                /* Mod (Dividend, Divisor, RemainderResult (ACPI 2.0) */
+
+        ReturnDesc = AcpiUtCreateInternalObject (ACPI_TYPE_INTEGER);
+        if (!ReturnDesc)
+        {
+            Status = AE_NO_MEMORY;
+            goto Cleanup;
+        }
+
+        /* ReturnDesc will contain the remainder */
+
+        Status = AcpiUtDivide (&Operand[0]->Integer.Value, &Operand[1]->Integer.Value,
+                        NULL, &ReturnDesc->Integer.Value);
+        break;
+
+
+    case AML_CONCAT_OP:             /* Concatenate (Data1, Data2, Result) */
+
+        /*
+         * Convert the second operand if necessary.  The first operand
+         * determines the type of the second operand, (See the Data Types
+         * section of the ACPI specification.)  Both object types are
+         * guaranteed to be either Integer/String/Buffer by the operand
+         * resolution mechanism above.
+         */
+        switch (ACPI_GET_OBJECT_TYPE (Operand[0]))
+        {
+        case ACPI_TYPE_INTEGER:
+            Status = AcpiExConvertToInteger (Operand[1], &TempDesc, WalkState);
+            break;
+
+        case ACPI_TYPE_STRING:
+            Status = AcpiExConvertToString (Operand[1], &TempDesc, 16, ACPI_UINT32_MAX, WalkState);
+            break;
+
+        case ACPI_TYPE_BUFFER:
+            Status = AcpiExConvertToBuffer (Operand[1], &TempDesc, WalkState);
+            break;
+
+        default:
+            Status = AE_AML_INTERNAL;
+        }
+
+        if (ACPI_FAILURE (Status))
+        {
+            goto Cleanup;
+        }
+
+        /*
+         * Both operands are now known to be the same object type
+         * (Both are Integer, String, or Buffer), and we can now perform the
+         * concatenation.
+         */
+        Status = AcpiExDoConcatenate (Operand[0], TempDesc, &ReturnDesc, WalkState);
+        if (TempDesc != Operand[1])
+        {
+            AcpiUtRemoveReference (TempDesc);
+        }
+        break;
+
+
+    case AML_TO_STRING_OP:          /* ToString (Buffer, Length, Result) (ACPI 2.0) */
+
+        /*
+         * Input object is guaranteed to be a buffer at this point (it may have
+         * been converted.)  Copy the raw buffer data to a new object of type String.
+         */
+
+        /* Get the length of the new string */
+
+        Length = 0;
+        if (Operand[1]->Integer.Value == 0)
+        {
+            /* Handle optional length value */
+
+            Operand[1]->Integer.Value = ACPI_INTEGER_MAX;
+        }
+
+        while ((Length < Operand[0]->Buffer.Length) &&
+               (Length < Operand[1]->Integer.Value) &&
+               (Operand[0]->Buffer.Pointer[Length]))
+        {
+            Length++;
+        }
+
+        if (Length > ACPI_MAX_STRING_CONVERSION)
+        {
+            Status = AE_AML_STRING_LIMIT;
+            goto Cleanup;
+        }
+
+        /* Create the internal return object */
+
+        ReturnDesc = AcpiUtCreateInternalObject (ACPI_TYPE_STRING);
+        if (!ReturnDesc)
+        {
+            Status = AE_NO_MEMORY;
+            goto Cleanup;
+        }
+        
+        /* Allocate a new string buffer (Length + 1 for null terminator) */
+
+        ReturnDesc->String.Pointer = ACPI_MEM_CALLOCATE (Length + 1);
+        if (!ReturnDesc->String.Pointer)
+        {
+            Status = AE_NO_MEMORY;
+            goto Cleanup;
+        }
+
+        /* Copy the raw buffer data with no transform */
+
+        ACPI_MEMCPY (ReturnDesc->String.Pointer, Operand[0]->Buffer.Pointer, Length);
+
+        /* Set the string length */
+
+        ReturnDesc->String.Length = (UINT32) Length;
+        break;
+
+
+    case AML_CONCAT_RES_OP:         /* ConcatenateResTemplate (Buffer, Buffer, Result) (ACPI 2.0) */
+
+        Status = AcpiExConcatTemplate (Operand[0], Operand[1], &ReturnDesc, WalkState);
+        break;
+
+
+    case AML_INDEX_OP:              /* Index (Source Index Result) */
+
+        /* Create the internal return object */
+
+        ReturnDesc = AcpiUtCreateInternalObject (ACPI_TYPE_LOCAL_REFERENCE);
+        if (!ReturnDesc)
+        {
+            Status = AE_NO_MEMORY;
+            goto Cleanup;
+        }
+
+        Index = (UINT32) Operand[1]->Integer.Value;
+
+        /*
+         * At this point, the Source operand is either a Package or a Buffer
+         */
+        if (ACPI_GET_OBJECT_TYPE (Operand[0]) == ACPI_TYPE_PACKAGE)
+        {
+            /* Object to be indexed is a Package */
+
+            if (Index >= Operand[0]->Package.Count)
+            {
+                ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Index value (%X) beyond package end (%X)\n",
+                    Index, Operand[0]->Package.Count));
+                Status = AE_AML_PACKAGE_LIMIT;
+                goto Cleanup;
+            }
+
+            ReturnDesc->Reference.TargetType = ACPI_TYPE_PACKAGE;
+            ReturnDesc->Reference.Object     = Operand[0]->Package.Elements [Index];
+            ReturnDesc->Reference.Where      = &Operand[0]->Package.Elements [Index];
+        }
+        else
+        {
+            /* Object to be indexed is a Buffer */
+
+            if (Index >= Operand[0]->Buffer.Length)
+            {
+                ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Index value (%X) beyond end of buffer (%X)\n",
+                    Index, Operand[0]->Buffer.Length));
+                Status = AE_AML_BUFFER_LIMIT;
+                goto Cleanup;
+            }
+
+            ReturnDesc->Reference.TargetType = ACPI_TYPE_BUFFER_FIELD;
+            ReturnDesc->Reference.Object     = Operand[0];
+        }
+
+        /* Complete the Index reference object */
+
+        ReturnDesc->Reference.Opcode     = AML_INDEX_OP;
+        ReturnDesc->Reference.Offset     = Index;
+
+        /* Store the reference to the Target */
+
+        Status = AcpiExStore (ReturnDesc, Operand[2], WalkState);
+
+        /* Return the reference */
+
+        WalkState->ResultObj = ReturnDesc;
+        goto Cleanup;
+
+
+    default:
+
+        ACPI_REPORT_ERROR (("AcpiExOpcode_2A_1T_1R: Unknown opcode %X\n",
+                WalkState->Opcode));
+        Status = AE_AML_BAD_OPCODE;
+        break;
+    }
+
+
+StoreResultToTarget:
+
+    if (ACPI_SUCCESS (Status))
+    {
+        /*
+         * Store the result of the operation (which is now in ReturnDesc) into
+         * the Target descriptor.
+         */
+        Status = AcpiExStore (ReturnDesc, Operand[2], WalkState);
+        if (ACPI_FAILURE (Status))
+        {
+            goto Cleanup;
+        }
+
+        if (!WalkState->ResultObj)
+        {
+            WalkState->ResultObj = ReturnDesc;
+        }
+    }
+
+
+Cleanup:
+
+    /* Delete return object on error */
+
+    if (ACPI_FAILURE (Status))
+    {
+        AcpiUtRemoveReference (ReturnDesc);
+    }
+
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiExOpcode_2A_0T_1R
+ *
+ * PARAMETERS:  WalkState           - Current walk state
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Execute opcode with 2 arguments, no target, and a return value
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiExOpcode_2A_0T_1R (
+    ACPI_WALK_STATE         *WalkState)
+{
+    ACPI_OPERAND_OBJECT     **Operand = &WalkState->Operands[0];
+    ACPI_OPERAND_OBJECT     *ReturnDesc = NULL;
+    ACPI_STATUS             Status = AE_OK;
+    BOOLEAN                 LogicalResult = FALSE;
+
+
+    ACPI_FUNCTION_TRACE_STR ("ExOpcode_2A_0T_1R", AcpiPsGetOpcodeName (WalkState->Opcode));
+
+
+    /* Create the internal return object */
+
+    ReturnDesc = AcpiUtCreateInternalObject (ACPI_TYPE_INTEGER);
+    if (!ReturnDesc)
+    {
+        Status = AE_NO_MEMORY;
+        goto Cleanup;
+    }
+
+    /*
+     * Execute the Opcode
+     */
+    if (WalkState->OpInfo->Flags & AML_LOGICAL) /* LogicalOp  (Operand0, Operand1) */
+    {
+        LogicalResult = AcpiExDoLogicalOp (WalkState->Opcode,
+                                            Operand[0]->Integer.Value,
+                                            Operand[1]->Integer.Value);
+        goto StoreLogicalResult;
+    }
+
+
+    switch (WalkState->Opcode)
+    {
+    case AML_ACQUIRE_OP:            /* Acquire (MutexObject, Timeout) */
+
+        Status = AcpiExAcquireMutex (Operand[1], Operand[0], WalkState);
+        if (Status == AE_TIME)
+        {
+            LogicalResult = TRUE;       /* TRUE = Acquire timed out */
+            Status = AE_OK;
+        }
+        break;
+
+
+    case AML_WAIT_OP:               /* Wait (EventObject, Timeout) */
+
+        Status = AcpiExSystemWaitEvent (Operand[1], Operand[0]);
+        if (Status == AE_TIME)
+        {
+            LogicalResult = TRUE;       /* TRUE, Wait timed out */
+            Status = AE_OK;
+        }
+        break;
+
+
+    default:
+
+        ACPI_REPORT_ERROR (("AcpiExOpcode_2A_0T_1R: Unknown opcode %X\n",
+            WalkState->Opcode));
+        Status = AE_AML_BAD_OPCODE;
+        goto Cleanup;
+    }
+
+
+StoreLogicalResult:
+    /*
+     * Set return value to according to LogicalResult. logical TRUE (all ones)
+     * Default is FALSE (zero)
+     */
+    if (LogicalResult)
+    {
+        ReturnDesc->Integer.Value = ACPI_INTEGER_MAX;
+    }
+
+    WalkState->ResultObj = ReturnDesc;
+
+
+Cleanup:
+
+    /* Delete return object on error */
+
+    if (ACPI_FAILURE (Status))
+    {
+        AcpiUtRemoveReference (ReturnDesc);
+    }
+
+    return_ACPI_STATUS (Status);
+}
+
+
diff --git a/sys/contrib/dev/acpica/exoparg3.c b/sys/contrib/dev/acpica/exoparg3.c
new file mode 100644
index 0000000..baf9bfe
--- /dev/null
+++ b/sys/contrib/dev/acpica/exoparg3.c
@@ -0,0 +1,337 @@
+
+/******************************************************************************
+ *
+ * Module Name: exoparg3 - AML execution - opcodes with 3 arguments
+ *              $Revision: 15 $
+ *
+ *****************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+#define __EXOPARG3_C__
+
+#include "acpi.h"
+#include "acinterp.h"
+#include "acparser.h"
+#include "amlcode.h"
+
+
+#define _COMPONENT          ACPI_EXECUTER
+        ACPI_MODULE_NAME    ("exoparg3")
+
+
+/*!
+ * Naming convention for AML interpreter execution routines.
+ *
+ * The routines that begin execution of AML opcodes are named with a common
+ * convention based upon the number of arguments, the number of target operands,
+ * and whether or not a value is returned:
+ *
+ *      AcpiExOpcode_xA_yT_zR
+ *
+ * Where:
+ *
+ * xA - ARGUMENTS:    The number of arguments (input operands) that are
+ *                    required for this opcode type (1 through 6 args).
+ * yT - TARGETS:      The number of targets (output operands) that are required
+ *                    for this opcode type (0, 1, or 2 targets).
+ * zR - RETURN VALUE: Indicates whether this opcode type returns a value
+ *                    as the function return (0 or 1).
+ *
+ * The AcpiExOpcode* functions are called via the Dispatcher component with
+ * fully resolved operands.
+!*/
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiExOpcode_3A_0T_0R
+ *
+ * PARAMETERS:  WalkState           - Current walk state
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Execute Triadic operator (3 operands)
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiExOpcode_3A_0T_0R (
+    ACPI_WALK_STATE         *WalkState)
+{
+    ACPI_OPERAND_OBJECT     **Operand = &WalkState->Operands[0];
+    ACPI_SIGNAL_FATAL_INFO  *Fatal;
+    ACPI_STATUS             Status = AE_OK;
+
+
+    ACPI_FUNCTION_TRACE_STR ("ExOpcode_3A_0T_0R", AcpiPsGetOpcodeName (WalkState->Opcode));
+
+
+    switch (WalkState->Opcode)
+    {
+
+    case AML_FATAL_OP:          /* Fatal (FatalType  FatalCode  FatalArg)    */
+
+        ACPI_DEBUG_PRINT ((ACPI_DB_INFO,
+            "FatalOp: Type %X Code %X Arg %X <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<\n",
+            (UINT32) Operand[0]->Integer.Value, (UINT32) Operand[1]->Integer.Value,
+            (UINT32) Operand[2]->Integer.Value));
+
+
+        Fatal = ACPI_MEM_ALLOCATE (sizeof (ACPI_SIGNAL_FATAL_INFO));
+        if (Fatal)
+        {
+            Fatal->Type     = (UINT32) Operand[0]->Integer.Value;
+            Fatal->Code     = (UINT32) Operand[1]->Integer.Value;
+            Fatal->Argument = (UINT32) Operand[2]->Integer.Value;
+        }
+
+        /*
+         * Always signal the OS!
+         */
+        Status = AcpiOsSignal (ACPI_SIGNAL_FATAL, Fatal);
+
+        /* Might return while OS is shutting down, just continue */
+
+        ACPI_MEM_FREE (Fatal);
+        break;
+
+
+    default:
+
+        ACPI_REPORT_ERROR (("AcpiExOpcode_3A_0T_0R: Unknown opcode %X\n",
+                WalkState->Opcode));
+        Status = AE_AML_BAD_OPCODE;
+        goto Cleanup;
+    }
+
+
+Cleanup:
+
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiExOpcode_3A_1T_1R
+ *
+ * PARAMETERS:  WalkState           - Current walk state
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Execute Triadic operator (3 operands)
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiExOpcode_3A_1T_1R (
+    ACPI_WALK_STATE         *WalkState)
+{
+    ACPI_OPERAND_OBJECT     **Operand = &WalkState->Operands[0];
+    ACPI_OPERAND_OBJECT     *ReturnDesc = NULL;
+    char                    *Buffer;
+    ACPI_STATUS             Status = AE_OK;
+    NATIVE_UINT             Index;
+    ACPI_SIZE               Length;
+
+
+    ACPI_FUNCTION_TRACE_STR ("ExOpcode_3A_1T_1R", AcpiPsGetOpcodeName (WalkState->Opcode));
+
+
+    switch (WalkState->Opcode)
+    {
+    case AML_MID_OP:        /* Mid  (Source[0], Index[1], Length[2], Result[3]) */
+
+        /*
+         * Create the return object.  The Source operand is guaranteed to be
+         * either a String or a Buffer, so just use its type.
+         */
+        ReturnDesc = AcpiUtCreateInternalObject (ACPI_GET_OBJECT_TYPE (Operand[0]));
+        if (!ReturnDesc)
+        {
+            Status = AE_NO_MEMORY;
+            goto Cleanup;
+        }
+
+        /* Get the Integer values from the objects */
+
+        Index = (NATIVE_UINT) Operand[1]->Integer.Value;
+        Length = (ACPI_SIZE) Operand[2]->Integer.Value;
+
+        /*
+         * If the index is beyond the length of the String/Buffer, or if the
+         * requested length is zero, return a zero-length String/Buffer
+         */
+        if ((Index < Operand[0]->String.Length) &&
+            (Length > 0))
+        {
+            /* Truncate request if larger than the actual String/Buffer */
+
+            if ((Index + Length) >
+                Operand[0]->String.Length)
+            {
+                Length = (ACPI_SIZE) Operand[0]->String.Length - Index;
+            }
+
+            /* Allocate a new buffer for the String/Buffer */
+
+            Buffer = ACPI_MEM_CALLOCATE ((ACPI_SIZE) Length + 1);
+            if (!Buffer)
+            {
+                Status = AE_NO_MEMORY;
+                goto Cleanup;
+            }
+
+            /* Copy the portion requested */
+
+            ACPI_MEMCPY (Buffer, Operand[0]->String.Pointer + Index,
+                         Length);
+
+            /* Set the length of the new String/Buffer */
+
+            ReturnDesc->String.Pointer = Buffer;
+            ReturnDesc->String.Length = (UINT32) Length;
+        }
+        break;
+
+
+    default:
+
+        ACPI_REPORT_ERROR (("AcpiExOpcode_3A_0T_0R: Unknown opcode %X\n",
+                WalkState->Opcode));
+        Status = AE_AML_BAD_OPCODE;
+        goto Cleanup;
+    }
+
+    /* Store the result in the target */
+
+    Status = AcpiExStore (ReturnDesc, Operand[3], WalkState);
+
+Cleanup:
+
+    /* Delete return object on error */
+
+    if (ACPI_FAILURE (Status))
+    {
+        AcpiUtRemoveReference (ReturnDesc);
+    }
+
+    /* Set the return object and exit */
+
+    if (!WalkState->ResultObj)
+    {
+        WalkState->ResultObj = ReturnDesc;
+    }
+    return_ACPI_STATUS (Status);
+}
+
+
diff --git a/sys/contrib/dev/acpica/exoparg6.c b/sys/contrib/dev/acpica/exoparg6.c
new file mode 100644
index 0000000..894bee2
--- /dev/null
+++ b/sys/contrib/dev/acpica/exoparg6.c
@@ -0,0 +1,377 @@
+
+/******************************************************************************
+ *
+ * Module Name: exoparg6 - AML execution - opcodes with 6 arguments
+ *              $Revision: 11 $
+ *
+ *****************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+#define __EXOPARG6_C__
+
+#include "acpi.h"
+#include "acinterp.h"
+#include "acparser.h"
+#include "amlcode.h"
+
+
+#define _COMPONENT          ACPI_EXECUTER
+        ACPI_MODULE_NAME    ("exoparg6")
+
+
+/*!
+ * Naming convention for AML interpreter execution routines.
+ *
+ * The routines that begin execution of AML opcodes are named with a common
+ * convention based upon the number of arguments, the number of target operands,
+ * and whether or not a value is returned:
+ *
+ *      AcpiExOpcode_xA_yT_zR
+ *
+ * Where:
+ *
+ * xA - ARGUMENTS:    The number of arguments (input operands) that are
+ *                    required for this opcode type (1 through 6 args).
+ * yT - TARGETS:      The number of targets (output operands) that are required
+ *                    for this opcode type (0, 1, or 2 targets).
+ * zR - RETURN VALUE: Indicates whether this opcode type returns a value
+ *                    as the function return (0 or 1).
+ *
+ * The AcpiExOpcode* functions are called via the Dispatcher component with
+ * fully resolved operands.
+!*/
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiExDoMatch
+ *
+ * PARAMETERS:  MatchOp         - The AML match operand
+ *              PackageValue    - Value from the target package
+ *              MatchValue      - Value to be matched
+ *
+ * RETURN:      TRUE if the match is successful, FALSE otherwise
+ *
+ * DESCRIPTION: Implements the low-level match for the ASL Match operator
+ *
+ ******************************************************************************/
+
+BOOLEAN
+AcpiExDoMatch (
+    UINT32                  MatchOp,
+    ACPI_INTEGER            PackageValue,
+    ACPI_INTEGER            MatchValue)
+{
+
+    switch (MatchOp)
+    {
+    case MATCH_MTR:   /* always true */
+
+        break;
+
+
+    case MATCH_MEQ:   /* true if equal   */
+
+        if (PackageValue != MatchValue)
+        {
+            return (FALSE);
+        }
+        break;
+
+
+    case MATCH_MLE:   /* true if less than or equal  */
+
+        if (PackageValue > MatchValue)
+        {
+            return (FALSE);
+        }
+        break;
+
+
+    case MATCH_MLT:   /* true if less than   */
+
+        if (PackageValue >= MatchValue)
+        {
+            return (FALSE);
+        }
+        break;
+
+
+    case MATCH_MGE:   /* true if greater than or equal   */
+
+        if (PackageValue < MatchValue)
+        {
+            return (FALSE);
+        }
+        break;
+
+
+    case MATCH_MGT:   /* true if greater than    */
+
+        if (PackageValue <= MatchValue)
+        {
+            return (FALSE);
+        }
+        break;
+
+
+    default:    /* undefined   */
+
+        return (FALSE);
+    }
+
+
+    return TRUE;
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiExOpcode_6A_0T_1R
+ *
+ * PARAMETERS:  WalkState           - Current walk state
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Execute opcode with 6 arguments, no target, and a return value
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiExOpcode_6A_0T_1R (
+    ACPI_WALK_STATE         *WalkState)
+{
+    ACPI_OPERAND_OBJECT     **Operand = &WalkState->Operands[0];
+    ACPI_OPERAND_OBJECT     *ReturnDesc = NULL;
+    ACPI_STATUS             Status = AE_OK;
+    UINT32                  Index;
+    ACPI_OPERAND_OBJECT     *ThisElement;
+
+
+    ACPI_FUNCTION_TRACE_STR ("ExOpcode_6A_0T_1R", AcpiPsGetOpcodeName (WalkState->Opcode));
+
+
+    switch (WalkState->Opcode)
+    {
+    case AML_MATCH_OP:
+        /*
+         * Match (SearchPackage[0], MatchOp1[1], MatchObject1[2],
+         *                          MatchOp2[3], MatchObject2[4], StartIndex[5])
+         */
+
+        /* Validate match comparison sub-opcodes */
+
+        if ((Operand[1]->Integer.Value > MAX_MATCH_OPERATOR) ||
+            (Operand[3]->Integer.Value > MAX_MATCH_OPERATOR))
+        {
+            ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "operation encoding out of range\n"));
+            Status = AE_AML_OPERAND_VALUE;
+            goto Cleanup;
+        }
+
+        Index = (UINT32) Operand[5]->Integer.Value;
+        if (Index >= (UINT32) Operand[0]->Package.Count)
+        {
+            ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Index beyond package end\n"));
+            Status = AE_AML_PACKAGE_LIMIT;
+            goto Cleanup;
+        }
+
+        ReturnDesc = AcpiUtCreateInternalObject (ACPI_TYPE_INTEGER);
+        if (!ReturnDesc)
+        {
+            Status = AE_NO_MEMORY;
+            goto Cleanup;
+
+        }
+
+        /* Default return value if no match found */
+
+        ReturnDesc->Integer.Value = ACPI_INTEGER_MAX;
+
+        /*
+         * Examine each element until a match is found.  Within the loop,
+         * "continue" signifies that the current element does not match
+         * and the next should be examined.
+         *
+         * Upon finding a match, the loop will terminate via "break" at
+         * the bottom.  If it terminates "normally", MatchValue will be -1
+         * (its initial value) indicating that no match was found.  When
+         * returned as a Number, this will produce the Ones value as specified.
+         */
+        for ( ; Index < Operand[0]->Package.Count; Index++)
+        {
+            ThisElement = Operand[0]->Package.Elements[Index];
+
+            /*
+             * Treat any NULL or non-numeric elements as non-matching.
+             */
+            if (!ThisElement ||
+                ACPI_GET_OBJECT_TYPE (ThisElement) != ACPI_TYPE_INTEGER)
+            {
+                continue;
+            }
+
+            /*
+             * "continue" (proceed to next iteration of enclosing
+             * "for" loop) signifies a non-match.
+             */
+            if (!AcpiExDoMatch ((UINT32) Operand[1]->Integer.Value,
+                                ThisElement->Integer.Value, Operand[2]->Integer.Value))
+            {
+                continue;
+            }
+
+            if (!AcpiExDoMatch ((UINT32) Operand[3]->Integer.Value,
+                                ThisElement->Integer.Value, Operand[4]->Integer.Value))
+            {
+                continue;
+            }
+
+            /* Match found: Index is the return value */
+
+            ReturnDesc->Integer.Value = Index;
+            break;
+        }
+
+        break;
+
+
+    case AML_LOAD_TABLE_OP:
+
+        Status = AcpiExLoadTableOp (WalkState, &ReturnDesc);
+        break;
+
+
+    default:
+
+        ACPI_REPORT_ERROR (("AcpiExOpcode_3A_0T_0R: Unknown opcode %X\n",
+                WalkState->Opcode));
+        Status = AE_AML_BAD_OPCODE;
+        goto Cleanup;
+    }
+
+
+    WalkState->ResultObj = ReturnDesc;
+
+
+Cleanup:
+
+    /* Delete return object on error */
+
+    if (ACPI_FAILURE (Status))
+    {
+        AcpiUtRemoveReference (ReturnDesc);
+    }
+
+    return_ACPI_STATUS (Status);
+}
diff --git a/sys/contrib/dev/acpica/exprep.c b/sys/contrib/dev/acpica/exprep.c
new file mode 100644
index 0000000..e9ed816
--- /dev/null
+++ b/sys/contrib/dev/acpica/exprep.c
@@ -0,0 +1,538 @@
+
+/******************************************************************************
+ *
+ * Module Name: exprep - ACPI AML (p-code) execution - field prep utilities
+ *              $Revision: 121 $
+ *
+ *****************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+#define __EXPREP_C__
+
+#include "acpi.h"
+#include "acinterp.h"
+#include "amlcode.h"
+#include "acnamesp.h"
+
+
+#define _COMPONENT          ACPI_EXECUTER
+        ACPI_MODULE_NAME    ("exprep")
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiExDecodeFieldAccess
+ *
+ * PARAMETERS:  Access          - Encoded field access bits
+ *              Length          - Field length.
+ *
+ * RETURN:      Field granularity (8, 16, 32 or 64) and
+ *              ByteAlignment (1, 2, 3, or 4)
+ *
+ * DESCRIPTION: Decode the AccessType bits of a field definition.
+ *
+ ******************************************************************************/
+
+static UINT32
+AcpiExDecodeFieldAccess (
+    ACPI_OPERAND_OBJECT     *ObjDesc,
+    UINT8                   FieldFlags,
+    UINT32                  *ReturnByteAlignment)
+{
+    UINT32                  Access;
+    UINT8                   ByteAlignment;
+    UINT8                   BitLength;
+/*    UINT32                  Length; */
+
+
+    ACPI_FUNCTION_NAME ("ExDecodeFieldAccess");
+
+
+    Access = (FieldFlags & AML_FIELD_ACCESS_TYPE_MASK);
+
+    switch (Access)
+    {
+    case AML_FIELD_ACCESS_ANY:
+
+        ByteAlignment = 1;
+        BitLength = 8;
+
+#if 0
+        /*
+         * TBD: optimize
+         *
+         * Any attempt to optimize the access size to the size of the field
+         * must take into consideration the length of the region and take
+         * care that an access to the field will not attempt to access
+         * beyond the end of the region.
+         */
+
+        /* Use the length to set the access type */
+
+        Length = ObjDesc->CommonField.BitLength;
+
+        if (Length <= 8)
+        {
+            BitLength = 8;
+        }
+        else if (Length <= 16)
+        {
+            BitLength = 16;
+        }
+        else if (Length <= 32)
+        {
+            BitLength = 32;
+        }
+        else if (Length <= 64)
+        {
+            BitLength = 64;
+        }
+        else
+        {
+            /* Larger than Qword - just use byte-size chunks */
+
+            BitLength = 8;
+        }
+#endif
+        break;
+
+    case AML_FIELD_ACCESS_BYTE:
+    case AML_FIELD_ACCESS_BUFFER:   /* ACPI 2.0 (SMBus Buffer) */
+        ByteAlignment = 1;
+        BitLength     = 8;
+        break;
+
+    case AML_FIELD_ACCESS_WORD:
+        ByteAlignment = 2;
+        BitLength     = 16;
+        break;
+
+    case AML_FIELD_ACCESS_DWORD:
+        ByteAlignment = 4;
+        BitLength     = 32;
+        break;
+
+    case AML_FIELD_ACCESS_QWORD:    /* ACPI 2.0 */
+        ByteAlignment = 8;
+        BitLength     = 64;
+        break;
+
+    default:
+        /* Invalid field access type */
+
+        ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+            "Unknown field access type %X\n",
+            Access));
+        return (0);
+    }
+
+    if (ACPI_GET_OBJECT_TYPE (ObjDesc) == ACPI_TYPE_BUFFER_FIELD)
+    {
+        /*
+         * BufferField access can be on any byte boundary, so the
+         * ByteAlignment is always 1 byte -- regardless of any ByteAlignment
+         * implied by the field access type.
+         */
+        ByteAlignment = 1;
+    }
+
+    *ReturnByteAlignment = ByteAlignment;
+    return (BitLength);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiExPrepCommonFieldObject
+ *
+ * PARAMETERS:  ObjDesc             - The field object
+ *              FieldFlags          - Access, LockRule, and UpdateRule.
+ *                                    The format of a FieldFlag is described
+ *                                    in the ACPI specification
+ *              FieldBitPosition    - Field start position
+ *              FieldBitLength      - Field length in number of bits
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Initialize the areas of the field object that are common
+ *              to the various types of fields.  Note: This is very "sensitive"
+ *              code because we are solving the general case for field
+ *              alignment.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiExPrepCommonFieldObject (
+    ACPI_OPERAND_OBJECT     *ObjDesc,
+    UINT8                   FieldFlags,
+    UINT8                   FieldAttribute,
+    UINT32                  FieldBitPosition,
+    UINT32                  FieldBitLength)
+{
+    UINT32                  AccessBitWidth;
+    UINT32                  ByteAlignment;
+    UINT32                  NearestByteAddress;
+
+
+    ACPI_FUNCTION_TRACE ("ExPrepCommonFieldObject");
+
+
+    /*
+     * Note: the structure being initialized is the
+     * ACPI_COMMON_FIELD_INFO;  No structure fields outside of the common
+     * area are initialized by this procedure.
+     */
+    ObjDesc->CommonField.FieldFlags = FieldFlags;
+    ObjDesc->CommonField.Attribute  = FieldAttribute;
+    ObjDesc->CommonField.BitLength  = FieldBitLength;
+
+    /*
+     * Decode the access type so we can compute offsets.  The access type gives
+     * two pieces of information - the width of each field access and the
+     * necessary ByteAlignment (address granularity) of the access.
+     *
+     * For AnyAcc, the AccessBitWidth is the largest width that is both
+     * necessary and possible in an attempt to access the whole field in one
+     * I/O operation.  However, for AnyAcc, the ByteAlignment is always one
+     * byte.
+     *
+     * For all Buffer Fields, the ByteAlignment is always one byte.
+     *
+     * For all other access types (Byte, Word, Dword, Qword), the Bitwidth is
+     * the same (equivalent) as the ByteAlignment.
+     */
+    AccessBitWidth = AcpiExDecodeFieldAccess (ObjDesc, FieldFlags,
+                                &ByteAlignment);
+    if (!AccessBitWidth)
+    {
+        return_ACPI_STATUS (AE_AML_OPERAND_VALUE);
+    }
+
+    /* Setup width (access granularity) fields */
+
+    ObjDesc->CommonField.AccessByteWidth = (UINT8)
+            ACPI_DIV_8 (AccessBitWidth); /* 1,  2,  4,  8 */
+
+    /*
+     * BaseByteOffset is the address of the start of the field within the
+     * region.  It is the byte address of the first *datum* (field-width data
+     * unit) of the field. (i.e., the first datum that contains at least the
+     * first *bit* of the field.)
+     *
+     * Note: ByteAlignment is always either equal to the AccessBitWidth or 8
+     * (Byte access), and it defines the addressing granularity of the parent
+     * region or buffer.
+     */
+    NearestByteAddress =
+            ACPI_ROUND_BITS_DOWN_TO_BYTES (FieldBitPosition);
+    ObjDesc->CommonField.BaseByteOffset =
+            ACPI_ROUND_DOWN (NearestByteAddress, ByteAlignment);
+
+    /*
+     * StartFieldBitOffset is the offset of the first bit of the field within
+     * a field datum.
+     */
+    ObjDesc->CommonField.StartFieldBitOffset = (UINT8)
+        (FieldBitPosition - ACPI_MUL_8 (ObjDesc->CommonField.BaseByteOffset));
+
+    /*
+     * Valid bits -- the number of bits that compose a partial datum,
+     * 1) At the end of the field within the region (arbitrary starting bit
+     *    offset)
+     * 2) At the end of a buffer used to contain the field (starting offset
+     *    always zero)
+     */
+    ObjDesc->CommonField.EndFieldValidBits   = (UINT8)
+        ((ObjDesc->CommonField.StartFieldBitOffset + FieldBitLength) %
+                                                            AccessBitWidth);
+    /* StartBufferBitOffset always = 0 */
+
+    ObjDesc->CommonField.EndBufferValidBits  = (UINT8)
+        (FieldBitLength % AccessBitWidth);
+
+    /*
+     * DatumValidBits is the number of valid field bits in the first
+     * field datum.
+     */
+    ObjDesc->CommonField.DatumValidBits      = (UINT8)
+        (AccessBitWidth - ObjDesc->CommonField.StartFieldBitOffset);
+
+    /*
+     * Does the entire field fit within a single field access element? (datum)
+     * (i.e., without crossing a datum boundary)
+     */
+    if ((ObjDesc->CommonField.StartFieldBitOffset + FieldBitLength) <=
+            (UINT16) AccessBitWidth)
+    {
+        ObjDesc->Common.Flags |= AOPOBJ_SINGLE_DATUM;
+    }
+
+    return_ACPI_STATUS (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiExPrepFieldValue
+ *
+ * PARAMETERS:  Node                - Owning Node
+ *              RegionNode          - Region in which field is being defined
+ *              FieldFlags          - Access, LockRule, and UpdateRule.
+ *              FieldBitPosition    - Field start position
+ *              FieldBitLength      - Field length in number of bits
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Construct an ACPI_OPERAND_OBJECT of type DefField and
+ *              connect it to the parent Node.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiExPrepFieldValue (
+    ACPI_CREATE_FIELD_INFO  *Info)
+{
+    ACPI_OPERAND_OBJECT     *ObjDesc;
+    UINT32                  Type;
+    ACPI_STATUS             Status;
+
+
+    ACPI_FUNCTION_TRACE ("ExPrepFieldValue");
+
+
+    /* Parameter validation */
+
+    if (Info->FieldType != ACPI_TYPE_LOCAL_INDEX_FIELD)
+    {
+        if (!Info->RegionNode)
+        {
+            ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Null RegionNode\n"));
+            return_ACPI_STATUS (AE_AML_NO_OPERAND);
+        }
+
+        Type = AcpiNsGetType (Info->RegionNode);
+        if (Type != ACPI_TYPE_REGION)
+        {
+            ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+                "Needed Region, found type %X %s\n",
+                Type, AcpiUtGetTypeName (Type)));
+
+            return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
+        }
+    }
+
+    /* Allocate a new field object */
+
+    ObjDesc = AcpiUtCreateInternalObject (Info->FieldType);
+    if (!ObjDesc)
+    {
+        return_ACPI_STATUS (AE_NO_MEMORY);
+    }
+
+    /* Initialize areas of the object that are common to all fields */
+
+    ObjDesc->CommonField.Node = Info->FieldNode;
+    Status = AcpiExPrepCommonFieldObject (ObjDesc, Info->FieldFlags,
+                Info->Attribute, Info->FieldBitPosition, Info->FieldBitLength);
+    if (ACPI_FAILURE (Status))
+    {
+        AcpiUtDeleteObjectDesc (ObjDesc);
+        return_ACPI_STATUS (Status);
+    }
+
+    /* Initialize areas of the object that are specific to the field type */
+
+    switch (Info->FieldType)
+    {
+    case ACPI_TYPE_LOCAL_REGION_FIELD:
+
+        ObjDesc->Field.RegionObj     = AcpiNsGetAttachedObject (Info->RegionNode);
+
+        /* An additional reference for the container */
+
+        AcpiUtAddReference (ObjDesc->Field.RegionObj);
+
+        ACPI_DEBUG_PRINT ((ACPI_DB_BFIELD,
+            "RegionField: Bitoff=%X Off=%X Gran=%X Region %p\n",
+            ObjDesc->Field.StartFieldBitOffset, ObjDesc->Field.BaseByteOffset,
+            ObjDesc->Field.AccessByteWidth, ObjDesc->Field.RegionObj));
+        break;
+
+
+    case ACPI_TYPE_LOCAL_BANK_FIELD:
+
+        ObjDesc->BankField.Value     = Info->BankValue;
+        ObjDesc->BankField.RegionObj = AcpiNsGetAttachedObject (Info->RegionNode);
+        ObjDesc->BankField.BankObj   = AcpiNsGetAttachedObject (Info->RegisterNode);
+
+        /* An additional reference for the attached objects */
+
+        AcpiUtAddReference (ObjDesc->BankField.RegionObj);
+        AcpiUtAddReference (ObjDesc->BankField.BankObj);
+
+        ACPI_DEBUG_PRINT ((ACPI_DB_BFIELD,
+            "Bank Field: BitOff=%X Off=%X Gran=%X Region %p BankReg %p\n",
+            ObjDesc->BankField.StartFieldBitOffset,
+            ObjDesc->BankField.BaseByteOffset,
+            ObjDesc->Field.AccessByteWidth,
+            ObjDesc->BankField.RegionObj,
+            ObjDesc->BankField.BankObj));
+        break;
+
+
+    case ACPI_TYPE_LOCAL_INDEX_FIELD:
+
+        ObjDesc->IndexField.IndexObj = AcpiNsGetAttachedObject (Info->RegisterNode);
+        ObjDesc->IndexField.DataObj  = AcpiNsGetAttachedObject (Info->DataRegisterNode);
+        ObjDesc->IndexField.Value    = (UINT32)
+            (Info->FieldBitPosition / ACPI_MUL_8 (ObjDesc->Field.AccessByteWidth));
+
+        if (!ObjDesc->IndexField.DataObj || !ObjDesc->IndexField.IndexObj)
+        {
+            ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Null Index Object\n"));
+            return_ACPI_STATUS (AE_AML_INTERNAL);
+        }
+
+        /* An additional reference for the attached objects */
+
+        AcpiUtAddReference (ObjDesc->IndexField.DataObj);
+        AcpiUtAddReference (ObjDesc->IndexField.IndexObj);
+
+        ACPI_DEBUG_PRINT ((ACPI_DB_BFIELD,
+            "IndexField: bitoff=%X off=%X gran=%X Index %p Data %p\n",
+            ObjDesc->IndexField.StartFieldBitOffset,
+            ObjDesc->IndexField.BaseByteOffset,
+            ObjDesc->Field.AccessByteWidth,
+            ObjDesc->IndexField.IndexObj,
+            ObjDesc->IndexField.DataObj));
+        break;
+
+    default:
+        /* No other types should get here */
+        break;
+    }
+
+    /*
+     * Store the constructed descriptor (ObjDesc) into the parent Node,
+     * preserving the current type of that NamedObj.
+     */
+    Status = AcpiNsAttachObject (Info->FieldNode, ObjDesc,
+                    AcpiNsGetType (Info->FieldNode));
+
+    ACPI_DEBUG_PRINT ((ACPI_DB_BFIELD, "set NamedObj %p (%4.4s) val = %p\n",
+            Info->FieldNode, Info->FieldNode->Name.Ascii, ObjDesc));
+
+    /* Remove local reference to the object */
+
+    AcpiUtRemoveReference (ObjDesc);
+    return_ACPI_STATUS (Status);
+}
+
diff --git a/sys/contrib/dev/acpica/exregion.c b/sys/contrib/dev/acpica/exregion.c
new file mode 100644
index 0000000..c42e566
--- /dev/null
+++ b/sys/contrib/dev/acpica/exregion.c
@@ -0,0 +1,615 @@
+
+/******************************************************************************
+ *
+ * Module Name: exregion - ACPI default OpRegion (address space) handlers
+ *              $Revision: 80 $
+ *
+ *****************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+
+#define __EXREGION_C__
+
+#include "acpi.h"
+#include "acinterp.h"
+
+
+#define _COMPONENT          ACPI_EXECUTER
+        ACPI_MODULE_NAME    ("exregion")
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiExSystemMemorySpaceHandler
+ *
+ * PARAMETERS:  Function            - Read or Write operation
+ *              Address             - Where in the space to read or write
+ *              BitWidth            - Field width in bits (8, 16, or 32)
+ *              Value               - Pointer to in or out value
+ *              HandlerContext      - Pointer to Handler's context
+ *              RegionContext       - Pointer to context specific to the
+ *                                    accessed region
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Handler for the System Memory address space (Op Region)
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiExSystemMemorySpaceHandler (
+    UINT32                  Function,
+    ACPI_PHYSICAL_ADDRESS   Address,
+    UINT32                  BitWidth,
+    ACPI_INTEGER            *Value,
+    void                    *HandlerContext,
+    void                    *RegionContext)
+{
+    ACPI_STATUS             Status = AE_OK;
+    void                    *LogicalAddrPtr = NULL;
+    ACPI_MEM_SPACE_CONTEXT  *MemInfo = RegionContext;
+    UINT32                  Length;
+    ACPI_SIZE               WindowSize;
+#ifndef _HW_ALIGNMENT_SUPPORT
+    UINT32                  Remainder;
+#endif
+
+    ACPI_FUNCTION_TRACE ("ExSystemMemorySpaceHandler");
+
+
+    /* Validate and translate the bit width */
+
+    switch (BitWidth)
+    {
+    case 8:
+        Length = 1;
+        break;
+
+    case 16:
+        Length = 2;
+        break;
+
+    case 32:
+        Length = 4;
+        break;
+
+    case 64:
+        Length = 8;
+        break;
+
+    default:
+        ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Invalid SystemMemory width %d\n",
+            BitWidth));
+        return_ACPI_STATUS (AE_AML_OPERAND_VALUE);
+    }
+
+
+#ifndef _HW_ALIGNMENT_SUPPORT
+    /*
+     * Hardware does not support non-aligned data transfers, we must verify
+     * the request.
+     */
+    (void) AcpiUtShortDivide ((ACPI_INTEGER *) &Address, Length, NULL, &Remainder);
+    if (Remainder != 0)
+    {
+        return_ACPI_STATUS (AE_AML_ALIGNMENT);
+    }
+#endif
+
+    /*
+     * Does the request fit into the cached memory mapping?
+     * Is 1) Address below the current mapping? OR
+     *    2) Address beyond the current mapping?
+     */
+    if ((Address < MemInfo->MappedPhysicalAddress) ||
+        (((ACPI_INTEGER) Address + Length) >
+            ((ACPI_INTEGER) MemInfo->MappedPhysicalAddress + MemInfo->MappedLength)))
+    {
+        /*
+         * The request cannot be resolved by the current memory mapping;
+         * Delete the existing mapping and create a new one.
+         */
+        if (MemInfo->MappedLength)
+        {
+            /* Valid mapping, delete it */
+
+            AcpiOsUnmapMemory (MemInfo->MappedLogicalAddress,
+                                MemInfo->MappedLength);
+        }
+
+        /*
+         * Don't attempt to map memory beyond the end of the region, and
+         * constrain the maximum mapping size to something reasonable.
+         */
+        WindowSize = (ACPI_SIZE) ((MemInfo->Address + MemInfo->Length) - Address);
+        if (WindowSize > SYSMEM_REGION_WINDOW_SIZE)
+        {
+            WindowSize = SYSMEM_REGION_WINDOW_SIZE;
+        }
+
+        /* Create a new mapping starting at the address given */
+
+        Status = AcpiOsMapMemory (Address, WindowSize,
+                                    (void **) &MemInfo->MappedLogicalAddress);
+        if (ACPI_FAILURE (Status))
+        {
+            ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Could not map memory at %8.8X%8.8X, size %X\n",
+                ACPI_HIDWORD (Address), ACPI_LODWORD (Address), (UINT32) WindowSize));
+            MemInfo->MappedLength = 0;
+            return_ACPI_STATUS (Status);
+        }
+
+        /* Save the physical address and mapping size */
+
+        MemInfo->MappedPhysicalAddress = Address;
+        MemInfo->MappedLength = WindowSize;
+    }
+
+    /*
+     * Generate a logical pointer corresponding to the address we want to
+     * access
+     */
+    LogicalAddrPtr = MemInfo->MappedLogicalAddress +
+                    ((ACPI_INTEGER) Address - (ACPI_INTEGER) MemInfo->MappedPhysicalAddress);
+
+    ACPI_DEBUG_PRINT ((ACPI_DB_INFO,
+        "SystemMemory %d (%d width) Address=%8.8X%8.8X\n", Function, BitWidth,
+        ACPI_HIDWORD (Address), ACPI_LODWORD (Address)));
+
+   /*
+    * Perform the memory read or write
+    *
+    * Note: For machines that do not support non-aligned transfers, the target
+    * address was checked for alignment above.  We do not attempt to break the
+    * transfer up into smaller (byte-size) chunks because the AML specifically
+    * asked for a transfer width that the hardware may require.
+    */
+    switch (Function)
+    {
+    case ACPI_READ:
+
+        *Value = 0;
+        switch (BitWidth)
+        {
+        case 8:
+            *Value = (ACPI_INTEGER) *((UINT8 *) LogicalAddrPtr);
+            break;
+
+        case 16:
+            *Value = (ACPI_INTEGER) *((UINT16 *) LogicalAddrPtr);
+            break;
+
+        case 32:
+            *Value = (ACPI_INTEGER) *((UINT32 *) LogicalAddrPtr);
+            break;
+
+#if ACPI_MACHINE_WIDTH != 16
+        case 64:
+            *Value = (ACPI_INTEGER) *((UINT64 *) LogicalAddrPtr);
+            break;
+#endif
+        default:
+            /* BitWidth was already validated */
+            break;
+        }
+        break;
+
+    case ACPI_WRITE:
+
+        switch (BitWidth)
+        {
+        case 8:
+            *(UINT8 *) LogicalAddrPtr = (UINT8) *Value;
+            break;
+
+        case 16:
+            *(UINT16 *) LogicalAddrPtr = (UINT16) *Value;
+            break;
+
+        case 32:
+            *(UINT32 *) LogicalAddrPtr = (UINT32) *Value;
+            break;
+
+#if ACPI_MACHINE_WIDTH != 16
+        case 64:
+            *(UINT64 *) LogicalAddrPtr = (UINT64) *Value;
+            break;
+#endif
+
+        default:
+            /* BitWidth was already validated */
+            break;
+        }
+        break;
+
+    default:
+        Status = AE_BAD_PARAMETER;
+        break;
+    }
+
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiExSystemIoSpaceHandler
+ *
+ * PARAMETERS:  Function            - Read or Write operation
+ *              Address             - Where in the space to read or write
+ *              BitWidth            - Field width in bits (8, 16, or 32)
+ *              Value               - Pointer to in or out value
+ *              HandlerContext      - Pointer to Handler's context
+ *              RegionContext       - Pointer to context specific to the
+ *                                    accessed region
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Handler for the System IO address space (Op Region)
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiExSystemIoSpaceHandler (
+    UINT32                  Function,
+    ACPI_PHYSICAL_ADDRESS   Address,
+    UINT32                  BitWidth,
+    ACPI_INTEGER            *Value,
+    void                    *HandlerContext,
+    void                    *RegionContext)
+{
+    ACPI_STATUS             Status = AE_OK;
+
+
+    ACPI_FUNCTION_TRACE ("ExSystemIoSpaceHandler");
+
+
+    ACPI_DEBUG_PRINT ((ACPI_DB_INFO,
+        "SystemIO %d (%d width) Address=%8.8X%8.8X\n", Function, BitWidth,
+        ACPI_HIDWORD (Address), ACPI_LODWORD (Address)));
+
+    /* Decode the function parameter */
+
+    switch (Function)
+    {
+    case ACPI_READ:
+
+        *Value = 0;
+        Status = AcpiOsReadPort ((ACPI_IO_ADDRESS) Address, Value, BitWidth);
+        break;
+
+    case ACPI_WRITE:
+
+        Status = AcpiOsWritePort ((ACPI_IO_ADDRESS) Address, *Value, BitWidth);
+        break;
+
+    default:
+        Status = AE_BAD_PARAMETER;
+        break;
+    }
+
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiExPciConfigSpaceHandler
+ *
+ * PARAMETERS:  Function            - Read or Write operation
+ *              Address             - Where in the space to read or write
+ *              BitWidth            - Field width in bits (8, 16, or 32)
+ *              Value               - Pointer to in or out value
+ *              HandlerContext      - Pointer to Handler's context
+ *              RegionContext       - Pointer to context specific to the
+ *                                    accessed region
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Handler for the PCI Config address space (Op Region)
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiExPciConfigSpaceHandler (
+    UINT32                  Function,
+    ACPI_PHYSICAL_ADDRESS   Address,
+    UINT32                  BitWidth,
+    ACPI_INTEGER            *Value,
+    void                    *HandlerContext,
+    void                    *RegionContext)
+{
+    ACPI_STATUS             Status = AE_OK;
+    ACPI_PCI_ID             *PciId;
+    UINT16                  PciRegister;
+
+
+    ACPI_FUNCTION_TRACE ("ExPciConfigSpaceHandler");
+
+
+    /*
+     *  The arguments to AcpiOs(Read|Write)PciConfiguration are:
+     *
+     *  PciSegment  is the PCI bus segment range 0-31
+     *  PciBus      is the PCI bus number range 0-255
+     *  PciDevice   is the PCI device number range 0-31
+     *  PciFunction is the PCI device function number
+     *  PciRegister is the Config space register range 0-255 bytes
+     *
+     *  Value - input value for write, output address for read
+     *
+     */
+    PciId       = (ACPI_PCI_ID *) RegionContext;
+    PciRegister = (UINT16) (UINT32) Address;
+
+    ACPI_DEBUG_PRINT ((ACPI_DB_INFO,
+        "PciConfig %d (%d) Seg(%04x) Bus(%04x) Dev(%04x) Func(%04x) Reg(%04x)\n",
+        Function, BitWidth, PciId->Segment, PciId->Bus, PciId->Device,
+        PciId->Function, PciRegister));
+
+    switch (Function)
+    {
+    case ACPI_READ:
+
+        *Value = 0;
+        Status = AcpiOsReadPciConfiguration (PciId, PciRegister, Value, BitWidth);
+        break;
+
+    case ACPI_WRITE:
+
+        Status = AcpiOsWritePciConfiguration (PciId, PciRegister, *Value, BitWidth);
+        break;
+
+    default:
+
+        Status = AE_BAD_PARAMETER;
+        break;
+    }
+
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiExCmosSpaceHandler
+ *
+ * PARAMETERS:  Function            - Read or Write operation
+ *              Address             - Where in the space to read or write
+ *              BitWidth            - Field width in bits (8, 16, or 32)
+ *              Value               - Pointer to in or out value
+ *              HandlerContext      - Pointer to Handler's context
+ *              RegionContext       - Pointer to context specific to the
+ *                                    accessed region
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Handler for the CMOS address space (Op Region)
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiExCmosSpaceHandler (
+    UINT32                  Function,
+    ACPI_PHYSICAL_ADDRESS   Address,
+    UINT32                  BitWidth,
+    ACPI_INTEGER            *Value,
+    void                    *HandlerContext,
+    void                    *RegionContext)
+{
+    ACPI_STATUS             Status = AE_OK;
+
+
+    ACPI_FUNCTION_TRACE ("ExCmosSpaceHandler");
+
+
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiExPciBarSpaceHandler
+ *
+ * PARAMETERS:  Function            - Read or Write operation
+ *              Address             - Where in the space to read or write
+ *              BitWidth            - Field width in bits (8, 16, or 32)
+ *              Value               - Pointer to in or out value
+ *              HandlerContext      - Pointer to Handler's context
+ *              RegionContext       - Pointer to context specific to the
+ *                                    accessed region
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Handler for the PCI BarTarget address space (Op Region)
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiExPciBarSpaceHandler (
+    UINT32                  Function,
+    ACPI_PHYSICAL_ADDRESS   Address,
+    UINT32                  BitWidth,
+    ACPI_INTEGER            *Value,
+    void                    *HandlerContext,
+    void                    *RegionContext)
+{
+    ACPI_STATUS             Status = AE_OK;
+
+
+    ACPI_FUNCTION_TRACE ("ExPciBarSpaceHandler");
+
+
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiExDataTableSpaceHandler
+ *
+ * PARAMETERS:  Function            - Read or Write operation
+ *              Address             - Where in the space to read or write
+ *              BitWidth            - Field width in bits (8, 16, or 32)
+ *              Value               - Pointer to in or out value
+ *              HandlerContext      - Pointer to Handler's context
+ *              RegionContext       - Pointer to context specific to the
+ *                                    accessed region
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Handler for the Data Table address space (Op Region)
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiExDataTableSpaceHandler (
+    UINT32                  Function,
+    ACPI_PHYSICAL_ADDRESS   Address,
+    UINT32                  BitWidth,
+    ACPI_INTEGER            *Value,
+    void                    *HandlerContext,
+    void                    *RegionContext)
+{
+    ACPI_STATUS             Status = AE_OK;
+    UINT32                  ByteWidth = ACPI_DIV_8 (BitWidth);
+    UINT32                  i;
+    char                    *LogicalAddrPtr;
+
+
+    ACPI_FUNCTION_TRACE ("ExDataTableSpaceHandler");
+
+
+    LogicalAddrPtr = ACPI_PHYSADDR_TO_PTR (Address);
+
+
+   /* Perform the memory read or write */
+
+    switch (Function)
+    {
+    case ACPI_READ:
+
+        for (i = 0; i < ByteWidth; i++)
+        {
+            ((char *) Value) [i] = LogicalAddrPtr[i];
+        }
+        break;
+
+    case ACPI_WRITE:
+    default:
+
+        return_ACPI_STATUS (AE_SUPPORT);
+    }
+
+    return_ACPI_STATUS (Status);
+}
+
+
diff --git a/sys/contrib/dev/acpica/exresnte.c b/sys/contrib/dev/acpica/exresnte.c
new file mode 100644
index 0000000..c999b15
--- /dev/null
+++ b/sys/contrib/dev/acpica/exresnte.c
@@ -0,0 +1,356 @@
+
+/******************************************************************************
+ *
+ * Module Name: exresnte - AML Interpreter object resolution
+ *              $Revision: 61 $
+ *
+ *****************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+#define __EXRESNTE_C__
+
+#include "acpi.h"
+#include "acdispat.h"
+#include "acinterp.h"
+#include "acnamesp.h"
+
+
+#define _COMPONENT          ACPI_EXECUTER
+        ACPI_MODULE_NAME    ("exresnte")
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiExResolveNodeToValue
+ *
+ * PARAMETERS:  ObjectPtr       - Pointer to a location that contains
+ *                                a pointer to a NS node, and will receive a
+ *                                pointer to the resolved object.
+ *              WalkState       - Current state.  Valid only if executing AML
+ *                                code.  NULL if simply resolving an object
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Resolve a Namespace node to a valued object
+ *
+ * Note: for some of the data types, the pointer attached to the Node
+ * can be either a pointer to an actual internal object or a pointer into the
+ * AML stream itself.  These types are currently:
+ *
+ *      ACPI_TYPE_INTEGER
+ *      ACPI_TYPE_STRING
+ *      ACPI_TYPE_BUFFER
+ *      ACPI_TYPE_MUTEX
+ *      ACPI_TYPE_PACKAGE
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiExResolveNodeToValue (
+    ACPI_NAMESPACE_NODE     **ObjectPtr,
+    ACPI_WALK_STATE         *WalkState)
+
+{
+    ACPI_STATUS             Status = AE_OK;
+    ACPI_OPERAND_OBJECT     *SourceDesc;
+    ACPI_OPERAND_OBJECT     *ObjDesc = NULL;
+    ACPI_NAMESPACE_NODE     *Node;
+    ACPI_OBJECT_TYPE        EntryType;
+
+
+    ACPI_FUNCTION_TRACE ("ExResolveNodeToValue");
+
+
+    /*
+     * The stack pointer points to a ACPI_NAMESPACE_NODE (Node).  Get the
+     * object that is attached to the Node.
+     */
+    Node       = *ObjectPtr;
+    SourceDesc = AcpiNsGetAttachedObject (Node);
+    EntryType  = AcpiNsGetType ((ACPI_HANDLE) Node);
+
+    ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Entry=%p SourceDesc=%p [%s]\n",
+         Node, SourceDesc, AcpiUtGetTypeName (EntryType)));
+
+    if (EntryType == ACPI_TYPE_LOCAL_ALIAS)
+    {
+        /* There is always exactly one level of indirection */
+
+        Node       = (ACPI_NAMESPACE_NODE *) Node->Object;
+        SourceDesc = AcpiNsGetAttachedObject (Node);
+        EntryType  = AcpiNsGetType ((ACPI_HANDLE) Node);
+        *ObjectPtr = Node;
+    }
+
+    /*
+     * Several object types require no further processing:
+     * 1) Devices rarely have an attached object, return the Node
+     * 2) Method locals and arguments have a pseudo-Node
+     */
+    if (EntryType == ACPI_TYPE_DEVICE ||
+        (Node->Flags & (ANOBJ_METHOD_ARG | ANOBJ_METHOD_LOCAL)))
+    {
+        return_ACPI_STATUS (AE_OK);
+    }
+
+    if (!SourceDesc)
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "No object attached to node %p\n",
+            Node));
+        return_ACPI_STATUS (AE_AML_NO_OPERAND);
+    }
+
+    /*
+     * Action is based on the type of the Node, which indicates the type
+     * of the attached object or pointer
+     */
+    switch (EntryType)
+    {
+    case ACPI_TYPE_PACKAGE:
+
+        if (ACPI_GET_OBJECT_TYPE (SourceDesc) != ACPI_TYPE_PACKAGE)
+        {
+            ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Object not a Package, type %s\n",
+                AcpiUtGetObjectTypeName (SourceDesc)));
+            return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
+        }
+
+        Status = AcpiDsGetPackageArguments (SourceDesc);
+        if (ACPI_SUCCESS (Status))
+        {
+            /* Return an additional reference to the object */
+
+            ObjDesc = SourceDesc;
+            AcpiUtAddReference (ObjDesc);
+        }
+        break;
+
+
+    case ACPI_TYPE_BUFFER:
+
+        if (ACPI_GET_OBJECT_TYPE (SourceDesc) != ACPI_TYPE_BUFFER)
+        {
+            ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Object not a Buffer, type %s\n",
+                AcpiUtGetObjectTypeName (SourceDesc)));
+            return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
+        }
+
+        Status = AcpiDsGetBufferArguments (SourceDesc);
+        if (ACPI_SUCCESS (Status))
+        {
+            /* Return an additional reference to the object */
+
+            ObjDesc = SourceDesc;
+            AcpiUtAddReference (ObjDesc);
+        }
+        break;
+
+
+    case ACPI_TYPE_STRING:
+
+        if (ACPI_GET_OBJECT_TYPE (SourceDesc) != ACPI_TYPE_STRING)
+        {
+            ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Object not a String, type %s\n",
+                AcpiUtGetObjectTypeName (SourceDesc)));
+            return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
+        }
+
+        /* Return an additional reference to the object */
+
+        ObjDesc = SourceDesc;
+        AcpiUtAddReference (ObjDesc);
+        break;
+
+
+    case ACPI_TYPE_INTEGER:
+
+        if (ACPI_GET_OBJECT_TYPE (SourceDesc) != ACPI_TYPE_INTEGER)
+        {
+            ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Object not a Integer, type %s\n",
+                AcpiUtGetObjectTypeName (SourceDesc)));
+            return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
+        }
+
+        /* Return an additional reference to the object */
+
+        ObjDesc = SourceDesc;
+        AcpiUtAddReference (ObjDesc);
+        break;
+
+
+    case ACPI_TYPE_BUFFER_FIELD:
+    case ACPI_TYPE_LOCAL_REGION_FIELD:
+    case ACPI_TYPE_LOCAL_BANK_FIELD:
+    case ACPI_TYPE_LOCAL_INDEX_FIELD:
+
+        ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "FieldRead Node=%p SourceDesc=%p Type=%X\n",
+            Node, SourceDesc, EntryType));
+
+        Status = AcpiExReadDataFromField (WalkState, SourceDesc, &ObjDesc);
+        break;
+
+    /*
+     * For these objects, just return the object attached to the Node
+     */
+    case ACPI_TYPE_MUTEX:
+    case ACPI_TYPE_METHOD:
+    case ACPI_TYPE_POWER:
+    case ACPI_TYPE_PROCESSOR:
+    case ACPI_TYPE_THERMAL:
+    case ACPI_TYPE_EVENT:
+    case ACPI_TYPE_REGION:
+
+        /* Return an additional reference to the object */
+
+        ObjDesc = SourceDesc;
+        AcpiUtAddReference (ObjDesc);
+        break;
+
+
+    /* TYPE_ANY is untyped, and thus there is no object associated with it */
+
+    case ACPI_TYPE_ANY:
+
+        ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Untyped entry %p, no attached object!\n",
+            Node));
+
+        return_ACPI_STATUS (AE_AML_OPERAND_TYPE);  /* Cannot be AE_TYPE */
+
+
+    case ACPI_TYPE_LOCAL_REFERENCE:
+
+        /* No named references are allowed here */
+
+        ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Unsupported Reference opcode %X\n",
+            SourceDesc->Reference.Opcode));
+
+        return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
+
+
+    /* Default case is for unknown types */
+
+    default:
+
+        ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Node %p - Unknown object type %X\n",
+            Node, EntryType));
+
+        return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
+
+    } /* switch (EntryType) */
+
+
+    /* Put the object descriptor on the stack */
+
+    *ObjectPtr = (void *) ObjDesc;
+    return_ACPI_STATUS (Status);
+}
+
+
diff --git a/sys/contrib/dev/acpica/exresolv.c b/sys/contrib/dev/acpica/exresolv.c
new file mode 100644
index 0000000..e5bc4f3
--- /dev/null
+++ b/sys/contrib/dev/acpica/exresolv.c
@@ -0,0 +1,570 @@
+
+/******************************************************************************
+ *
+ * Module Name: exresolv - AML Interpreter object resolution
+ *              $Revision: 117 $
+ *
+ *****************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+#define __EXRESOLV_C__
+
+#include "acpi.h"
+#include "amlcode.h"
+#include "acdispat.h"
+#include "acinterp.h"
+#include "acnamesp.h"
+
+
+#define _COMPONENT          ACPI_EXECUTER
+        ACPI_MODULE_NAME    ("exresolv")
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiExResolveToValue
+ *
+ * PARAMETERS:  **StackPtr          - Points to entry on ObjStack, which can
+ *                                    be either an (ACPI_OPERAND_OBJECT *)
+ *                                    or an ACPI_HANDLE.
+ *              WalkState           - Current method state
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Convert Reference objects to values
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiExResolveToValue (
+    ACPI_OPERAND_OBJECT     **StackPtr,
+    ACPI_WALK_STATE         *WalkState)
+{
+    ACPI_STATUS             Status;
+
+
+    ACPI_FUNCTION_TRACE_PTR ("ExResolveToValue", StackPtr);
+
+
+    if (!StackPtr || !*StackPtr)
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Internal - null pointer\n"));
+        return_ACPI_STATUS (AE_AML_NO_OPERAND);
+    }
+
+    /*
+     * The entity pointed to by the StackPtr can be either
+     * 1) A valid ACPI_OPERAND_OBJECT, or
+     * 2) A ACPI_NAMESPACE_NODE (NamedObj)
+     */
+    if (ACPI_GET_DESCRIPTOR_TYPE (*StackPtr) == ACPI_DESC_TYPE_OPERAND)
+    {
+        Status = AcpiExResolveObjectToValue (StackPtr, WalkState);
+        if (ACPI_FAILURE (Status))
+        {
+            return_ACPI_STATUS (Status);
+        }
+    }
+
+    /*
+     * Object on the stack may have changed if AcpiExResolveObjectToValue()
+     * was called (i.e., we can't use an _else_ here.)
+     */
+    if (ACPI_GET_DESCRIPTOR_TYPE (*StackPtr) == ACPI_DESC_TYPE_NAMED)
+    {
+        Status = AcpiExResolveNodeToValue (
+                        ACPI_CAST_INDIRECT_PTR (ACPI_NAMESPACE_NODE, StackPtr),
+                        WalkState);
+        if (ACPI_FAILURE (Status))
+        {
+            return_ACPI_STATUS (Status);
+        }
+    }
+
+    ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Resolved object %p\n", *StackPtr));
+    return_ACPI_STATUS (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiExResolveObjectToValue
+ *
+ * PARAMETERS:  StackPtr        - Pointer to a stack location that contains a
+ *                                ptr to an internal object.
+ *              WalkState       - Current method state
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Retrieve the value from an internal object.  The Reference type
+ *              uses the associated AML opcode to determine the value.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiExResolveObjectToValue (
+    ACPI_OPERAND_OBJECT     **StackPtr,
+    ACPI_WALK_STATE         *WalkState)
+{
+    ACPI_STATUS             Status = AE_OK;
+    ACPI_OPERAND_OBJECT     *StackDesc;
+    void                    *TempNode;
+    ACPI_OPERAND_OBJECT     *ObjDesc;
+    UINT16                  Opcode;
+
+
+    ACPI_FUNCTION_TRACE ("ExResolveObjectToValue");
+
+
+    StackDesc = *StackPtr;
+
+    /* This is an ACPI_OPERAND_OBJECT  */
+
+    switch (ACPI_GET_OBJECT_TYPE (StackDesc))
+    {
+    case ACPI_TYPE_LOCAL_REFERENCE:
+
+        Opcode = StackDesc->Reference.Opcode;
+
+        switch (Opcode)
+        {
+        case AML_NAME_OP:
+
+            /*
+             * Convert indirect name ptr to a direct name ptr.
+             * Then, AcpiExResolveNodeToValue can be used to get the value
+             */
+            TempNode = StackDesc->Reference.Object;
+
+            /* Delete the Reference Object */
+
+            AcpiUtRemoveReference (StackDesc);
+
+            /* Put direct name pointer onto stack and exit */
+
+            (*StackPtr) = TempNode;
+            break;
+
+
+        case AML_LOCAL_OP:
+        case AML_ARG_OP:
+
+            /*
+             * Get the local from the method's state info
+             * Note: this increments the local's object reference count
+             */
+            Status = AcpiDsMethodDataGetValue (Opcode,
+                            StackDesc->Reference.Offset, WalkState, &ObjDesc);
+            if (ACPI_FAILURE (Status))
+            {
+                return_ACPI_STATUS (Status);
+            }
+
+            /*
+             * Now we can delete the original Reference Object and
+             * replace it with the resolve value
+             */
+            AcpiUtRemoveReference (StackDesc);
+            *StackPtr = ObjDesc;
+
+            ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "[Arg/Local %d] ValueObj is %p\n",
+                StackDesc->Reference.Offset, ObjDesc));
+            break;
+
+
+        case AML_INDEX_OP:
+
+            switch (StackDesc->Reference.TargetType)
+            {
+            case ACPI_TYPE_BUFFER_FIELD:
+
+                /* Just return - leave the Reference on the stack */
+                break;
+
+
+            case ACPI_TYPE_PACKAGE:
+
+                ObjDesc = *StackDesc->Reference.Where;
+                if (ObjDesc)
+                {
+                    /*
+                     * Valid obj descriptor, copy pointer to return value
+                     * (i.e., dereference the package index)
+                     * Delete the ref object, increment the returned object
+                     */
+                    AcpiUtRemoveReference (StackDesc);
+                    AcpiUtAddReference (ObjDesc);
+                    *StackPtr = ObjDesc;
+                }
+                else
+                {
+                    /*
+                     * A NULL object descriptor means an unitialized element of
+                     * the package, can't dereference it
+                     */
+                    ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+                        "Attempt to deref an Index to NULL pkg element Idx=%p\n",
+                        StackDesc));
+                    Status = AE_AML_UNINITIALIZED_ELEMENT;
+                }
+                break;
+
+
+            default:
+
+                /* Invalid reference object */
+
+                ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+                    "Unknown TargetType %X in Index/Reference obj %p\n",
+                    StackDesc->Reference.TargetType, StackDesc));
+                Status = AE_AML_INTERNAL;
+                break;
+            }
+            break;
+
+
+        case AML_REF_OF_OP:
+        case AML_DEBUG_OP:
+
+            /* Just leave the object as-is */
+
+            break;
+
+
+        default:
+
+            ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Unknown Reference opcode %X in %p\n",
+                Opcode, StackDesc));
+            Status = AE_AML_INTERNAL;
+            break;
+        }
+        break;
+
+
+    case ACPI_TYPE_BUFFER:
+
+        Status = AcpiDsGetBufferArguments (StackDesc);
+        break;
+
+
+    case ACPI_TYPE_PACKAGE:
+
+        Status = AcpiDsGetPackageArguments (StackDesc);
+        break;
+
+
+    /*
+     * These cases may never happen here, but just in case..
+     */
+    case ACPI_TYPE_BUFFER_FIELD:
+    case ACPI_TYPE_LOCAL_REGION_FIELD:
+    case ACPI_TYPE_LOCAL_BANK_FIELD:
+    case ACPI_TYPE_LOCAL_INDEX_FIELD:
+
+        ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "FieldRead SourceDesc=%p Type=%X\n",
+            StackDesc, ACPI_GET_OBJECT_TYPE (StackDesc)));
+
+        Status = AcpiExReadDataFromField (WalkState, StackDesc, &ObjDesc);
+        *StackPtr = (void *) ObjDesc;
+        break;
+
+    default:
+        break;
+    }
+
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiExResolveMultiple
+ *
+ * PARAMETERS:  WalkState           - Current state (contains AML opcode)
+ *              Operand             - Starting point for resolution
+ *              ReturnType          - Where the object type is returned
+ *              ReturnDesc          - Where the resolved object is returned
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Return the base object and type.  Traverse a reference list if
+ *              necessary to get to the base object.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiExResolveMultiple (
+    ACPI_WALK_STATE         *WalkState,
+    ACPI_OPERAND_OBJECT     *Operand,
+    ACPI_OBJECT_TYPE        *ReturnType,
+    ACPI_OPERAND_OBJECT     **ReturnDesc)
+{
+    ACPI_OPERAND_OBJECT     *ObjDesc = (void *) Operand;
+    ACPI_NAMESPACE_NODE     *Node;
+    ACPI_OBJECT_TYPE        Type;
+
+
+    ACPI_FUNCTION_TRACE ("AcpiExResolveMultiple");
+
+
+    /*
+     * For reference objects created via the RefOf or Index operators,
+     * we need to get to the base object (as per the ACPI specification 
+     * of the ObjectType and SizeOf operators).  This means traversing 
+     * the list of possibly many nested references.
+     */
+    while (ACPI_GET_OBJECT_TYPE (ObjDesc) == ACPI_TYPE_LOCAL_REFERENCE)
+    {
+        switch (ObjDesc->Reference.Opcode)
+        {
+        case AML_REF_OF_OP:
+
+            /* Dereference the reference pointer */
+
+            Node = ObjDesc->Reference.Object;
+
+            /* All "References" point to a NS node */
+
+            if (ACPI_GET_DESCRIPTOR_TYPE (Node) != ACPI_DESC_TYPE_NAMED)
+            {
+                return_ACPI_STATUS (AE_AML_INTERNAL);
+            }
+
+            /* Get the attached object */
+
+            ObjDesc = AcpiNsGetAttachedObject (Node);
+            if (!ObjDesc)
+            {
+                /* No object, use the NS node type */
+
+                Type = AcpiNsGetType (Node);
+                goto Exit;
+            }
+
+            /* Check for circular references */
+
+            if (ObjDesc == Operand)
+            {
+                return_ACPI_STATUS (AE_AML_CIRCULAR_REFERENCE);
+            }
+            break;
+
+
+        case AML_INDEX_OP:
+
+            /* Get the type of this reference (index into another object) */
+
+            Type = ObjDesc->Reference.TargetType;
+            if (Type != ACPI_TYPE_PACKAGE)
+            {
+                goto Exit;
+            }
+
+            /*
+             * The main object is a package, we want to get the type
+             * of the individual package element that is referenced by
+             * the index.
+             *
+             * This could of course in turn be another reference object.
+             */
+            ObjDesc = *(ObjDesc->Reference.Where);
+            break;
+
+
+        case AML_INT_NAMEPATH_OP:
+
+            /* Dereference the reference pointer */
+
+            Node = ObjDesc->Reference.Node;
+
+            /* All "References" point to a NS node */
+
+            if (ACPI_GET_DESCRIPTOR_TYPE (Node) != ACPI_DESC_TYPE_NAMED)
+            {
+                return_ACPI_STATUS (AE_AML_INTERNAL);
+            }
+
+            /* Get the attached object */
+
+            ObjDesc = AcpiNsGetAttachedObject (Node);
+            if (!ObjDesc)
+            {
+                /* No object, use the NS node type */
+
+                Type = AcpiNsGetType (Node);
+                goto Exit;
+            }
+
+            /* Check for circular references */
+
+            if (ObjDesc == Operand)
+            {
+                return_ACPI_STATUS (AE_AML_CIRCULAR_REFERENCE);
+            }
+            break;
+
+
+        case AML_DEBUG_OP:
+
+            /* The Debug Object is of type "DebugObject" */
+
+            Type = ACPI_TYPE_DEBUG_OBJECT;
+            goto Exit;
+
+
+        default:
+
+            ACPI_REPORT_ERROR (("AcpiExResolveMultiple: Unknown Reference subtype %X\n",
+                ObjDesc->Reference.Opcode));
+            return_ACPI_STATUS (AE_AML_INTERNAL);
+        }
+    }
+
+    /*
+     * Now we are guaranteed to have an object that has not been created
+     * via the RefOf or Index operators.
+     */
+    Type = ACPI_GET_OBJECT_TYPE (ObjDesc);
+
+
+Exit:
+    /* Convert internal types to external types */
+
+    switch (Type)
+    {
+    case ACPI_TYPE_LOCAL_REGION_FIELD:
+    case ACPI_TYPE_LOCAL_BANK_FIELD:
+    case ACPI_TYPE_LOCAL_INDEX_FIELD:
+
+        Type = ACPI_TYPE_FIELD_UNIT;
+        break;
+
+    case ACPI_TYPE_LOCAL_SCOPE:
+
+        /* Per ACPI Specification, Scope is untyped */
+
+        Type = ACPI_TYPE_ANY;
+        break;
+
+    default:
+        /* No change to Type required */
+        break;
+    }
+
+    *ReturnType = Type;
+    if (ReturnDesc)
+    {
+        *ReturnDesc = ObjDesc;
+    }
+    return_ACPI_STATUS (AE_OK);
+}
+
+
diff --git a/sys/contrib/dev/acpica/exresop.c b/sys/contrib/dev/acpica/exresop.c
new file mode 100644
index 0000000..7e46b7b
--- /dev/null
+++ b/sys/contrib/dev/acpica/exresop.c
@@ -0,0 +1,670 @@
+
+/******************************************************************************
+ *
+ * Module Name: exresop - AML Interpreter operand/object resolution
+ *              $Revision: 60 $
+ *
+ *****************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+#define __EXRESOP_C__
+
+#include "acpi.h"
+#include "amlcode.h"
+#include "acparser.h"
+#include "acinterp.h"
+
+
+#define _COMPONENT          ACPI_EXECUTER
+        ACPI_MODULE_NAME    ("exresop")
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiExCheckObjectType
+ *
+ * PARAMETERS:  TypeNeeded          Object type needed
+ *              ThisType            Actual object type
+ *              Object              Object pointer
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Check required type against actual type
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiExCheckObjectType (
+    ACPI_OBJECT_TYPE        TypeNeeded,
+    ACPI_OBJECT_TYPE        ThisType,
+    void                    *Object)
+{
+    ACPI_FUNCTION_NAME ("ExCheckObjectType");
+
+
+    if (TypeNeeded == ACPI_TYPE_ANY)
+    {
+        /* All types OK, so we don't perform any typechecks */
+
+        return (AE_OK);
+    }
+
+    if (TypeNeeded == ACPI_TYPE_LOCAL_REFERENCE)
+    {
+        /*
+         * Allow the AML "Constant" opcodes (Zero, One, etc.) to be reference
+         * objects and thus allow them to be targets.  (As per the ACPI
+         * specification, a store to a constant is a noop.)
+         */
+        if ((ThisType == ACPI_TYPE_INTEGER) &&
+            (((ACPI_OPERAND_OBJECT *) Object)->Common.Flags & AOPOBJ_AML_CONSTANT))
+        {
+            return (AE_OK);
+        }
+    }
+
+    if (TypeNeeded != ThisType)
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+            "Needed [%s], found [%s] %p\n",
+            AcpiUtGetTypeName (TypeNeeded),
+            AcpiUtGetTypeName (ThisType), Object));
+
+        return (AE_AML_OPERAND_TYPE);
+    }
+
+    return (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiExResolveOperands
+ *
+ * PARAMETERS:  Opcode              - Opcode being interpreted
+ *              StackPtr            - Pointer to the operand stack to be
+ *                                    resolved
+ *              WalkState           - Current state
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Convert multiple input operands to the types required by the
+ *              target operator.
+ *
+ *      Each 5-bit group in ArgTypes represents one required
+ *      operand and indicates the required Type. The corresponding operand
+ *      will be converted to the required type if possible, otherwise we
+ *      abort with an exception.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiExResolveOperands (
+    UINT16                  Opcode,
+    ACPI_OPERAND_OBJECT     **StackPtr,
+    ACPI_WALK_STATE         *WalkState)
+{
+    ACPI_OPERAND_OBJECT     *ObjDesc;
+    ACPI_STATUS             Status = AE_OK;
+    UINT8                   ObjectType;
+    void                    *TempNode;
+    UINT32                  ArgTypes;
+    const ACPI_OPCODE_INFO  *OpInfo;
+    UINT32                  ThisArgType;
+    ACPI_OBJECT_TYPE        TypeNeeded;
+
+
+    ACPI_FUNCTION_TRACE_U32 ("ExResolveOperands", Opcode);
+
+
+    OpInfo = AcpiPsGetOpcodeInfo (Opcode);
+    if (OpInfo->Class == AML_CLASS_UNKNOWN)
+    {
+        return_ACPI_STATUS (AE_AML_BAD_OPCODE);
+    }
+
+    ArgTypes = OpInfo->RuntimeArgs;
+    if (ArgTypes == ARGI_INVALID_OPCODE)
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Internal - %X is not a valid AML opcode\n",
+            Opcode));
+
+        return_ACPI_STATUS (AE_AML_INTERNAL);
+    }
+
+    ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Opcode %X [%s] OperandTypes=%X \n",
+        Opcode, OpInfo->Name, ArgTypes));
+
+    /*
+     * Normal exit is with (ArgTypes == 0) at end of argument list.
+     * Function will return an exception from within the loop upon
+     * finding an entry which is not (or cannot be converted
+     * to) the required type; if stack underflows; or upon
+     * finding a NULL stack entry (which should not happen).
+     */
+    while (GET_CURRENT_ARG_TYPE (ArgTypes))
+    {
+        if (!StackPtr || !*StackPtr)
+        {
+            ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Internal - null stack entry at %p\n",
+                StackPtr));
+
+            return_ACPI_STATUS (AE_AML_INTERNAL);
+        }
+
+        /* Extract useful items */
+
+        ObjDesc = *StackPtr;
+
+        /* Decode the descriptor type */
+
+        switch (ACPI_GET_DESCRIPTOR_TYPE (ObjDesc))
+        {
+        case ACPI_DESC_TYPE_NAMED:
+
+            /* Node */
+
+            ObjectType = ((ACPI_NAMESPACE_NODE *) ObjDesc)->Type;
+            break;
+
+
+        case ACPI_DESC_TYPE_OPERAND:
+
+            /* ACPI internal object */
+
+            ObjectType = ACPI_GET_OBJECT_TYPE (ObjDesc);
+
+            /* Check for bad ACPI_OBJECT_TYPE */
+
+            if (!AcpiUtValidObjectType (ObjectType))
+            {
+                ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Bad operand object type [%X]\n",
+                    ObjectType));
+
+                return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
+            }
+
+            if (ObjectType == (UINT8) ACPI_TYPE_LOCAL_REFERENCE)
+            {
+                /*
+                 * Decode the Reference
+                 */
+                OpInfo = AcpiPsGetOpcodeInfo (Opcode);
+                if (OpInfo->Class == AML_CLASS_UNKNOWN)
+                {
+                    return_ACPI_STATUS (AE_AML_BAD_OPCODE);
+                }
+
+                switch (ObjDesc->Reference.Opcode)
+                {
+                case AML_DEBUG_OP:
+                case AML_NAME_OP:
+                case AML_INDEX_OP:
+                case AML_REF_OF_OP:
+                case AML_ARG_OP:
+                case AML_LOCAL_OP:
+
+                    ACPI_DEBUG_ONLY_MEMBERS (ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
+                        "Reference Opcode: %s\n", OpInfo->Name)));
+                    break;
+
+                default:
+                    ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+                        "Unknown Reference Opcode %X\n",
+                        ObjDesc->Reference.Opcode));
+
+                    return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
+                }
+            }
+            break;
+
+
+        default:
+
+            /* Invalid descriptor */
+
+            ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+                "Bad descriptor type %X in Obj %p\n",
+                ACPI_GET_DESCRIPTOR_TYPE (ObjDesc), ObjDesc));
+
+            return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
+        }
+
+
+        /*
+         * Get one argument type, point to the next
+         */
+        ThisArgType = GET_CURRENT_ARG_TYPE (ArgTypes);
+        INCREMENT_ARG_LIST (ArgTypes);
+
+        /*
+         * Handle cases where the object does not need to be
+         * resolved to a value
+         */
+        switch (ThisArgType)
+        {
+        case ARGI_REF_OR_STRING:        /* Can be a String or Reference */
+
+            if ((ACPI_GET_DESCRIPTOR_TYPE (ObjDesc) == ACPI_DESC_TYPE_OPERAND) &&
+                (ACPI_GET_OBJECT_TYPE (ObjDesc) == ACPI_TYPE_STRING))
+            {
+                /*
+                 * String found - the string references a named object and must be
+                 * resolved to a node
+                 */
+                goto NextOperand;
+            }
+
+            /* Else not a string - fall through to the normal Reference case below */
+            /*lint -fallthrough */
+
+        case ARGI_REFERENCE:            /* References: */
+        case ARGI_INTEGER_REF:
+        case ARGI_OBJECT_REF:
+        case ARGI_DEVICE_REF:
+        case ARGI_TARGETREF:            /* Allows implicit conversion rules before store */
+        case ARGI_FIXED_TARGET:         /* No implicit conversion before store to target */
+        case ARGI_SIMPLE_TARGET:        /* Name, Local, or Arg - no implicit conversion  */
+
+            /* Need an operand of type ACPI_TYPE_LOCAL_REFERENCE */
+
+            if (ACPI_GET_DESCRIPTOR_TYPE (ObjDesc) == ACPI_DESC_TYPE_NAMED) /* Node (name) ptr OK as-is */
+            {
+                goto NextOperand;
+            }
+
+            Status = AcpiExCheckObjectType (ACPI_TYPE_LOCAL_REFERENCE,
+                            ObjectType, ObjDesc);
+            if (ACPI_FAILURE (Status))
+            {
+                return_ACPI_STATUS (Status);
+            }
+
+            if (AML_NAME_OP == ObjDesc->Reference.Opcode)
+            {
+                /*
+                 * Convert an indirect name ptr to direct name ptr and put
+                 * it on the stack
+                 */
+                TempNode = ObjDesc->Reference.Object;
+                AcpiUtRemoveReference (ObjDesc);
+                (*StackPtr) = TempNode;
+            }
+            goto NextOperand;
+
+
+        case ARGI_ANYTYPE:
+
+            /*
+             * We don't want to resolve IndexOp reference objects during
+             * a store because this would be an implicit DeRefOf operation.
+             * Instead, we just want to store the reference object.
+             * -- All others must be resolved below.
+             */
+            if ((Opcode == AML_STORE_OP) &&
+                (ACPI_GET_OBJECT_TYPE (*StackPtr) == ACPI_TYPE_LOCAL_REFERENCE) &&
+                ((*StackPtr)->Reference.Opcode == AML_INDEX_OP))
+            {
+                goto NextOperand;
+            }
+            break;
+
+        default:
+            /* All cases covered above */
+            break;
+        }
+
+
+        /*
+         * Resolve this object to a value
+         */
+        Status = AcpiExResolveToValue (StackPtr, WalkState);
+        if (ACPI_FAILURE (Status))
+        {
+            return_ACPI_STATUS (Status);
+        }
+
+        /* Get the resolved object */
+
+        ObjDesc = *StackPtr;
+
+        /*
+         * Check the resulting object (value) type
+         */
+        switch (ThisArgType)
+        {
+        /*
+         * For the simple cases, only one type of resolved object
+         * is allowed
+         */
+        case ARGI_MUTEX:
+
+            /* Need an operand of type ACPI_TYPE_MUTEX */
+
+            TypeNeeded = ACPI_TYPE_MUTEX;
+            break;
+
+        case ARGI_EVENT:
+
+            /* Need an operand of type ACPI_TYPE_EVENT */
+
+            TypeNeeded = ACPI_TYPE_EVENT;
+            break;
+
+        case ARGI_REGION:
+
+            /* Need an operand of type ACPI_TYPE_REGION */
+
+            TypeNeeded = ACPI_TYPE_REGION;
+            break;
+
+        case ARGI_PACKAGE:   /* Package */
+
+            /* Need an operand of type ACPI_TYPE_PACKAGE */
+
+            TypeNeeded = ACPI_TYPE_PACKAGE;
+            break;
+
+        case ARGI_ANYTYPE:
+
+            /* Any operand type will do */
+
+            TypeNeeded = ACPI_TYPE_ANY;
+            break;
+
+
+        /*
+         * The more complex cases allow multiple resolved object types
+         */
+        case ARGI_INTEGER:   /* Number */
+
+            /*
+             * Need an operand of type ACPI_TYPE_INTEGER,
+             * But we can implicitly convert from a STRING or BUFFER
+             * Aka - "Implicit Source Operand Conversion"
+             */
+            Status = AcpiExConvertToInteger (ObjDesc, StackPtr, WalkState);
+            if (ACPI_FAILURE (Status))
+            {
+                if (Status == AE_TYPE)
+                {
+                    ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+                        "Needed [Integer/String/Buffer], found [%s] %p\n",
+                        AcpiUtGetObjectTypeName (ObjDesc), ObjDesc));
+
+                    return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
+                }
+
+                return_ACPI_STATUS (Status);
+            }
+            goto NextOperand;
+
+
+        case ARGI_BUFFER:
+
+            /*
+             * Need an operand of type ACPI_TYPE_BUFFER,
+             * But we can implicitly convert from a STRING or INTEGER
+             * Aka - "Implicit Source Operand Conversion"
+             */
+            Status = AcpiExConvertToBuffer (ObjDesc, StackPtr, WalkState);
+            if (ACPI_FAILURE (Status))
+            {
+                if (Status == AE_TYPE)
+                {
+                    ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+                        "Needed [Integer/String/Buffer], found [%s] %p\n",
+                        AcpiUtGetObjectTypeName (ObjDesc), ObjDesc));
+
+                    return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
+                }
+
+                return_ACPI_STATUS (Status);
+            }
+            goto NextOperand;
+
+
+        case ARGI_STRING:
+
+            /*
+             * Need an operand of type ACPI_TYPE_STRING,
+             * But we can implicitly convert from a BUFFER or INTEGER
+             * Aka - "Implicit Source Operand Conversion"
+             */
+            Status = AcpiExConvertToString (ObjDesc, StackPtr, 16, ACPI_UINT32_MAX, WalkState);
+            if (ACPI_FAILURE (Status))
+            {
+                if (Status == AE_TYPE)
+                {
+                    ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+                        "Needed [Integer/String/Buffer], found [%s] %p\n",
+                        AcpiUtGetObjectTypeName (ObjDesc), ObjDesc));
+
+                    return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
+                }
+
+                return_ACPI_STATUS (Status);
+            }
+            goto NextOperand;
+
+
+        case ARGI_COMPUTEDATA:
+
+            /* Need an operand of type INTEGER, STRING or BUFFER */
+
+            switch (ACPI_GET_OBJECT_TYPE (ObjDesc))
+            {
+            case ACPI_TYPE_INTEGER:
+            case ACPI_TYPE_STRING:
+            case ACPI_TYPE_BUFFER:
+
+                /* Valid operand */
+               break;
+
+            default:
+                ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+                    "Needed [Integer/String/Buffer], found [%s] %p\n",
+                    AcpiUtGetObjectTypeName (ObjDesc), ObjDesc));
+
+                return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
+            }
+            goto NextOperand;
+
+
+        case ARGI_DATAOBJECT:
+            /*
+             * ARGI_DATAOBJECT is only used by the SizeOf operator.
+             * Need a buffer, string, package, or RefOf reference.
+             *
+             * The only reference allowed here is a direct reference to
+             * a namespace node.
+             */
+            switch (ACPI_GET_OBJECT_TYPE (ObjDesc))
+            {
+            case ACPI_TYPE_PACKAGE:
+            case ACPI_TYPE_STRING:
+            case ACPI_TYPE_BUFFER:
+            case ACPI_TYPE_LOCAL_REFERENCE:
+
+                /* Valid operand */
+                break;
+
+            default:
+                ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+                    "Needed [Buf/Str/Pkg], found [%s] %p\n",
+                    AcpiUtGetObjectTypeName (ObjDesc), ObjDesc));
+
+                return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
+            }
+            goto NextOperand;
+
+
+        case ARGI_COMPLEXOBJ:
+
+            /* Need a buffer or package or (ACPI 2.0) String */
+
+            switch (ACPI_GET_OBJECT_TYPE (ObjDesc))
+            {
+            case ACPI_TYPE_PACKAGE:
+            case ACPI_TYPE_STRING:
+            case ACPI_TYPE_BUFFER:
+
+                /* Valid operand */
+                break;
+
+            default:
+                ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+                    "Needed [Buf/Str/Pkg], found [%s] %p\n",
+                    AcpiUtGetObjectTypeName (ObjDesc), ObjDesc));
+
+                return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
+            }
+            goto NextOperand;
+
+
+        default:
+
+            /* Unknown type */
+
+            ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+                "Internal - Unknown ARGI (required operand) type %X\n",
+                ThisArgType));
+
+            return_ACPI_STATUS (AE_BAD_PARAMETER);
+        }
+
+        /*
+         * Make sure that the original object was resolved to the
+         * required object type (Simple cases only).
+         */
+        Status = AcpiExCheckObjectType (TypeNeeded,
+                        ACPI_GET_OBJECT_TYPE (*StackPtr), *StackPtr);
+        if (ACPI_FAILURE (Status))
+        {
+            return_ACPI_STATUS (Status);
+        }
+
+NextOperand:
+        /*
+         * If more operands needed, decrement StackPtr to point
+         * to next operand on stack
+         */
+        if (GET_CURRENT_ARG_TYPE (ArgTypes))
+        {
+            StackPtr--;
+        }
+
+    }   /* while (*Types) */
+
+    return_ACPI_STATUS (Status);
+}
+
+
diff --git a/sys/contrib/dev/acpica/exstore.c b/sys/contrib/dev/acpica/exstore.c
new file mode 100644
index 0000000..237ccee
--- /dev/null
+++ b/sys/contrib/dev/acpica/exstore.c
@@ -0,0 +1,600 @@
+
+/******************************************************************************
+ *
+ * Module Name: exstore - AML Interpreter object store support
+ *              $Revision: 174 $
+ *
+ *****************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+#define __EXSTORE_C__
+
+#include "acpi.h"
+#include "acdispat.h"
+#include "acinterp.h"
+#include "amlcode.h"
+#include "acnamesp.h"
+
+
+#define _COMPONENT          ACPI_EXECUTER
+        ACPI_MODULE_NAME    ("exstore")
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiExStore
+ *
+ * PARAMETERS:  *SourceDesc         - Value to be stored
+ *              *DestDesc           - Where to store it.  Must be an NS node
+ *                                    or an ACPI_OPERAND_OBJECT of type
+ *                                    Reference;
+ *              WalkState           - Current walk state
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Store the value described by SourceDesc into the location
+ *              described by DestDesc.  Called by various interpreter
+ *              functions to store the result of an operation into
+ *              the destination operand -- not just simply the actual "Store"
+ *              ASL operator.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiExStore (
+    ACPI_OPERAND_OBJECT     *SourceDesc,
+    ACPI_OPERAND_OBJECT     *DestDesc,
+    ACPI_WALK_STATE         *WalkState)
+{
+    ACPI_STATUS             Status = AE_OK;
+    ACPI_OPERAND_OBJECT     *RefDesc = DestDesc;
+
+
+    ACPI_FUNCTION_TRACE_PTR ("ExStore", DestDesc);
+
+
+    /* Validate parameters */
+
+    if (!SourceDesc || !DestDesc)
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Null parameter\n"));
+        return_ACPI_STATUS (AE_AML_NO_OPERAND);
+    }
+
+    /* DestDesc can be either a namespace node or an ACPI object */
+
+    if (ACPI_GET_DESCRIPTOR_TYPE (DestDesc) == ACPI_DESC_TYPE_NAMED)
+    {
+        /*
+         * Dest is a namespace node,
+         * Storing an object into a Named node.
+         */
+        Status = AcpiExStoreObjectToNode (SourceDesc,
+                    (ACPI_NAMESPACE_NODE *) DestDesc, WalkState);
+
+        return_ACPI_STATUS (Status);
+    }
+
+    /* Destination object must be a Reference or a Constant object */
+
+    switch (ACPI_GET_OBJECT_TYPE (DestDesc))
+    {
+    case ACPI_TYPE_LOCAL_REFERENCE:
+        break;
+
+    case ACPI_TYPE_INTEGER:
+
+        /* Allow stores to Constants -- a Noop as per ACPI spec */
+
+        if (DestDesc->Common.Flags & AOPOBJ_AML_CONSTANT)
+        {
+            return_ACPI_STATUS (AE_OK);
+        }
+
+        /*lint -fallthrough */
+
+    default:
+
+        /* Destination is not an Reference */
+
+        ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+            "Destination is not a Reference or Constant object [%p]\n", DestDesc));
+
+        ACPI_DUMP_STACK_ENTRY (SourceDesc);
+        ACPI_DUMP_STACK_ENTRY (DestDesc);
+        ACPI_DUMP_OPERANDS (&DestDesc, ACPI_IMODE_EXECUTE, "ExStore",
+                        2, "Target is not a Reference or Constant object");
+
+        return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
+    }
+
+    /*
+     * Examine the Reference opcode.  These cases are handled:
+     *
+     * 1) Store to Name (Change the object associated with a name)
+     * 2) Store to an indexed area of a Buffer or Package
+     * 3) Store to a Method Local or Arg
+     * 4) Store to the debug object
+     */
+    switch (RefDesc->Reference.Opcode)
+    {
+    case AML_NAME_OP:
+    case AML_REF_OF_OP:
+
+        /* Storing an object into a Name "container" */
+
+        Status = AcpiExStoreObjectToNode (SourceDesc, RefDesc->Reference.Object,
+                        WalkState);
+        break;
+
+
+    case AML_INDEX_OP:
+
+        /* Storing to an Index (pointer into a packager or buffer) */
+
+        Status = AcpiExStoreObjectToIndex (SourceDesc, RefDesc, WalkState);
+        break;
+
+
+    case AML_LOCAL_OP:
+    case AML_ARG_OP:
+
+        /* Store to a method local/arg  */
+
+        Status = AcpiDsStoreObjectToLocal (RefDesc->Reference.Opcode,
+                        RefDesc->Reference.Offset, SourceDesc, WalkState);
+        break;
+
+
+    case AML_DEBUG_OP:
+
+        /*
+         * Storing to the Debug object causes the value stored to be
+         * displayed and otherwise has no effect -- see ACPI Specification
+         */
+        ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "**** Write to Debug Object: ****:\n\n"));
+
+        ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, "[ACPI Debug] %s: ",
+                        AcpiUtGetObjectTypeName (SourceDesc)));
+
+        switch (ACPI_GET_OBJECT_TYPE (SourceDesc))
+        {
+        case ACPI_TYPE_INTEGER:
+
+            ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, "%8.8X%8.8X\n",
+                    ACPI_HIWORD (SourceDesc->Integer.Value),
+                    ACPI_LOWORD (SourceDesc->Integer.Value)));
+            break;
+
+
+        case ACPI_TYPE_BUFFER:
+
+            ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, "Length %.2X\n",
+                    (UINT32) SourceDesc->Buffer.Length));
+            break;
+
+
+        case ACPI_TYPE_STRING:
+
+            ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, "%s\n", SourceDesc->String.Pointer));
+            break;
+
+
+        case ACPI_TYPE_PACKAGE:
+
+            ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, "Elements Ptr - %p\n",
+                    SourceDesc->Package.Elements));
+            break;
+
+
+        default:
+
+            ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, "Type %s %p\n",
+                    AcpiUtGetObjectTypeName (SourceDesc), SourceDesc));
+            break;
+        }
+
+        ACPI_DEBUG_PRINT_RAW ((ACPI_DB_EXEC, "\n"));
+        break;
+
+
+    default:
+
+        ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Unknown Reference opcode %X\n",
+            RefDesc->Reference.Opcode));
+        ACPI_DUMP_ENTRY (RefDesc, ACPI_LV_ERROR);
+
+        Status = AE_AML_INTERNAL;
+        break;
+    }
+
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiExStoreObjectToIndex
+ *
+ * PARAMETERS:  *SourceDesc             - Value to be stored
+ *              *DestDesc               - Named object to receive the value
+ *              WalkState               - Current walk state
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Store the object to indexed Buffer or Package element
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiExStoreObjectToIndex (
+    ACPI_OPERAND_OBJECT     *SourceDesc,
+    ACPI_OPERAND_OBJECT     *IndexDesc,
+    ACPI_WALK_STATE         *WalkState)
+{
+    ACPI_STATUS             Status = AE_OK;
+    ACPI_OPERAND_OBJECT     *ObjDesc;
+    ACPI_OPERAND_OBJECT     *NewDesc;
+    UINT8                   Value = 0;
+
+
+    ACPI_FUNCTION_TRACE ("ExStoreObjectToIndex");
+
+
+    /*
+     * Destination must be a reference pointer, and
+     * must point to either a buffer or a package
+     */
+    switch (IndexDesc->Reference.TargetType)
+    {
+    case ACPI_TYPE_PACKAGE:
+        /*
+         * Storing to a package element is not simple.  The source must be
+         * evaluated and converted to the type of the destination and then the
+         * source is copied into the destination - we can't just point to the
+         * source object.
+         */
+        /*
+         * The object at *(IndexDesc->Reference.Where) is the
+         * element within the package that is to be modified.
+         */
+        ObjDesc = *(IndexDesc->Reference.Where);
+
+        /* Do the conversion/store */
+
+        Status = AcpiExStoreObjectToObject (SourceDesc, ObjDesc, &NewDesc,
+                                                WalkState);
+        if (ACPI_FAILURE (Status))
+        {
+            ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+                "Could not store object to indexed package element\n"));
+            return_ACPI_STATUS (Status);
+        }
+
+        /*
+         * If a new object was created, we must install it as the new
+         * package element
+         */
+        if (NewDesc != ObjDesc)
+        {
+            AcpiUtRemoveReference (ObjDesc);
+            *(IndexDesc->Reference.Where) = NewDesc;
+
+            /* If same as the original source, add a reference */
+
+            if (NewDesc == SourceDesc)
+            {
+                AcpiUtAddReference (NewDesc);
+            }
+        }
+        break;
+
+
+    case ACPI_TYPE_BUFFER_FIELD:
+
+        /*
+         * Store into a Buffer (not actually a real BufferField) at a
+         * location defined by an Index.
+         *
+         * The first 8-bit element of the source object is written to the
+         * 8-bit Buffer location defined by the Index destination object,
+         * according to the ACPI 2.0 specification.
+         */
+
+        /*
+         * Make sure the target is a Buffer
+         */
+        ObjDesc = IndexDesc->Reference.Object;
+        if (ACPI_GET_OBJECT_TYPE (ObjDesc) != ACPI_TYPE_BUFFER)
+        {
+            return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
+        }
+
+        /*
+         * The assignment of the individual elements will be slightly
+         * different for each source type.
+         */
+        switch (ACPI_GET_OBJECT_TYPE (SourceDesc))
+        {
+        case ACPI_TYPE_INTEGER:
+
+            /* Use the least-significant byte of the integer */
+
+            Value = (UINT8) (SourceDesc->Integer.Value);
+            break;
+
+        case ACPI_TYPE_BUFFER:
+
+            Value = SourceDesc->Buffer.Pointer[0];
+            break;
+
+        case ACPI_TYPE_STRING:
+
+            Value = (UINT8) SourceDesc->String.Pointer[0];
+            break;
+
+        default:
+
+            /* All other types are invalid */
+
+            ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+                "Source must be Integer/Buffer/String type, not %s\n",
+                AcpiUtGetObjectTypeName (SourceDesc)));
+            return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
+        }
+
+        /* Store the source value into the target buffer byte */
+
+        ObjDesc->Buffer.Pointer[IndexDesc->Reference.Offset] = Value;
+        break;
+
+
+    default:
+        ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+            "Target is not a Package or BufferField\n"));
+        Status = AE_AML_OPERAND_TYPE;
+        break;
+    }
+
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiExStoreObjectToNode
+ *
+ * PARAMETERS:  SourceDesc              - Value to be stored
+ *              Node                    - Named object to receive the value
+ *              WalkState               - Current walk state
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Store the object to the named object.
+ *
+ *              The Assignment of an object to a named object is handled here
+ *              The value passed in will replace the current value (if any)
+ *              with the input value.
+ *
+ *              When storing into an object the data is converted to the
+ *              target object type then stored in the object.  This means
+ *              that the target object type (for an initialized target) will
+ *              not be changed by a store operation.
+ *
+ *              Assumes parameters are already validated.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiExStoreObjectToNode (
+    ACPI_OPERAND_OBJECT     *SourceDesc,
+    ACPI_NAMESPACE_NODE     *Node,
+    ACPI_WALK_STATE         *WalkState)
+{
+    ACPI_STATUS             Status = AE_OK;
+    ACPI_OPERAND_OBJECT     *TargetDesc;
+    ACPI_OPERAND_OBJECT     *NewDesc;
+    ACPI_OBJECT_TYPE        TargetType;
+
+
+    ACPI_FUNCTION_TRACE_PTR ("ExStoreObjectToNode", SourceDesc);
+
+
+    /*
+     * Get current type of the node, and object attached to Node
+     */
+    TargetType = AcpiNsGetType (Node);
+    TargetDesc = AcpiNsGetAttachedObject (Node);
+
+    ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Storing %p(%s) into node %p(%s)\n",
+        SourceDesc, AcpiUtGetObjectTypeName (SourceDesc),
+              Node, AcpiUtGetTypeName (TargetType)));
+
+    /*
+     * Resolve the source object to an actual value
+     * (If it is a reference object)
+     */
+    Status = AcpiExResolveObject (&SourceDesc, TargetType, WalkState);
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    /*
+     * Do the actual store operation
+     */
+    switch (TargetType)
+    {
+    case ACPI_TYPE_BUFFER_FIELD:
+    case ACPI_TYPE_LOCAL_REGION_FIELD:
+    case ACPI_TYPE_LOCAL_BANK_FIELD:
+    case ACPI_TYPE_LOCAL_INDEX_FIELD:
+
+        /*
+         * For fields, copy the source data to the target field.
+         */
+        Status = AcpiExWriteDataToField (SourceDesc, TargetDesc, &WalkState->ResultObj);
+        break;
+
+
+    case ACPI_TYPE_INTEGER:
+    case ACPI_TYPE_STRING:
+    case ACPI_TYPE_BUFFER:
+
+        /*
+         * These target types are all of type Integer/String/Buffer, and
+         * therefore support implicit conversion before the store.
+         *
+         * Copy and/or convert the source object to a new target object
+         */
+        Status = AcpiExStoreObjectToObject (SourceDesc, TargetDesc, &NewDesc, WalkState);
+        if (ACPI_FAILURE (Status))
+        {
+            return_ACPI_STATUS (Status);
+        }
+
+        if (NewDesc != TargetDesc)
+        {
+            /*
+             * Store the new NewDesc as the new value of the Name, and set
+             * the Name's type to that of the value being stored in it.
+             * SourceDesc reference count is incremented by AttachObject.
+             *
+             * Note: This may change the type of the node if an explicit store
+             * has been performed such that the node/object type has been
+             * changed.
+             */
+            Status = AcpiNsAttachObject (Node, NewDesc, NewDesc->Common.Type);
+
+            ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
+                "Store %s into %s via Convert/Attach\n",
+                AcpiUtGetObjectTypeName (SourceDesc),
+                AcpiUtGetObjectTypeName (NewDesc)));
+        }
+        break;
+
+
+    default:
+
+        ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
+            "Storing %s (%p) directly into node (%p), no implicit conversion\n",
+            AcpiUtGetObjectTypeName (SourceDesc), SourceDesc, Node));
+
+        /* No conversions for all other types.  Just attach the source object */
+
+        Status = AcpiNsAttachObject (Node, SourceDesc, ACPI_GET_OBJECT_TYPE (SourceDesc));
+        break;
+    }
+
+    return_ACPI_STATUS (Status);
+}
+
+
diff --git a/sys/contrib/dev/acpica/exstoren.c b/sys/contrib/dev/acpica/exstoren.c
new file mode 100644
index 0000000..961d642
--- /dev/null
+++ b/sys/contrib/dev/acpica/exstoren.c
@@ -0,0 +1,376 @@
+
+/******************************************************************************
+ *
+ * Module Name: exstoren - AML Interpreter object store support,
+ *                        Store to Node (namespace object)
+ *              $Revision: 52 $
+ *
+ *****************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+#define __EXSTOREN_C__
+
+#include "acpi.h"
+#include "acinterp.h"
+
+
+#define _COMPONENT          ACPI_EXECUTER
+        ACPI_MODULE_NAME    ("exstoren")
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiExResolveObject
+ *
+ * PARAMETERS:  SourceDescPtr       - Pointer to the source object
+ *              TargetType          - Current type of the target
+ *              WalkState           - Current walk state
+ *
+ * RETURN:      Status, resolved object in SourceDescPtr.
+ *
+ * DESCRIPTION: Resolve an object.  If the object is a reference, dereference
+ *              it and return the actual object in the SourceDescPtr.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiExResolveObject (
+    ACPI_OPERAND_OBJECT     **SourceDescPtr,
+    ACPI_OBJECT_TYPE        TargetType,
+    ACPI_WALK_STATE         *WalkState)
+{
+    ACPI_OPERAND_OBJECT     *SourceDesc = *SourceDescPtr;
+    ACPI_STATUS             Status = AE_OK;
+
+
+    ACPI_FUNCTION_TRACE ("ExResolveObject");
+
+
+    /*
+     * Ensure we have a Target that can be stored to
+     */
+    switch (TargetType)
+    {
+    case ACPI_TYPE_BUFFER_FIELD:
+    case ACPI_TYPE_LOCAL_REGION_FIELD:
+    case ACPI_TYPE_LOCAL_BANK_FIELD:
+    case ACPI_TYPE_LOCAL_INDEX_FIELD:
+        /*
+         * These cases all require only Integers or values that
+         * can be converted to Integers (Strings or Buffers)
+         */
+
+    case ACPI_TYPE_INTEGER:
+    case ACPI_TYPE_STRING:
+    case ACPI_TYPE_BUFFER:
+
+        /*
+         * Stores into a Field/Region or into a Integer/Buffer/String
+         * are all essentially the same.  This case handles the
+         * "interchangeable" types Integer, String, and Buffer.
+         */
+        if (ACPI_GET_OBJECT_TYPE (SourceDesc) == ACPI_TYPE_LOCAL_REFERENCE)
+        {
+            /* Resolve a reference object first */
+
+            Status = AcpiExResolveToValue (SourceDescPtr, WalkState);
+            if (ACPI_FAILURE (Status))
+            {
+                break;
+            }
+        }
+
+        /*
+         * Must have a Integer, Buffer, or String
+         */
+        if ((ACPI_GET_OBJECT_TYPE (SourceDesc) != ACPI_TYPE_INTEGER)     &&
+            (ACPI_GET_OBJECT_TYPE (SourceDesc) != ACPI_TYPE_BUFFER)      &&
+            (ACPI_GET_OBJECT_TYPE (SourceDesc) != ACPI_TYPE_STRING))
+        {
+            /*
+             * Conversion successful but still not a valid type
+             */
+            ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+                "Cannot assign type %s to %s (must be type Int/Str/Buf)\n",
+                AcpiUtGetObjectTypeName (SourceDesc),
+                AcpiUtGetTypeName (TargetType)));
+            Status = AE_AML_OPERAND_TYPE;
+        }
+        break;
+
+
+    case ACPI_TYPE_LOCAL_ALIAS:
+
+        /*
+         * Aliases are resolved by AcpiExPrepOperands
+         */
+        ACPI_DEBUG_PRINT ((ACPI_DB_WARN, "Store into Alias - should never happen\n"));
+        Status = AE_AML_INTERNAL;
+        break;
+
+
+    case ACPI_TYPE_PACKAGE:
+    default:
+
+        /*
+         * All other types than Alias and the various Fields come here,
+         * including the untyped case - ACPI_TYPE_ANY.
+         */
+        break;
+    }
+
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiExStoreObjectToObject
+ *
+ * PARAMETERS:  SourceDesc          - Object to store
+ *              DestDesc            - Object to receive a copy of the source
+ *              NewDesc             - New object if DestDesc is obsoleted
+ *              WalkState           - Current walk state
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: "Store" an object to another object.  This may include
+ *              converting the source type to the target type (implicit
+ *              conversion), and a copy of the value of the source to
+ *              the target.
+ *
+ *              The Assignment of an object to another (not named) object
+ *              is handled here.
+ *              The Source passed in will replace the current value (if any)
+ *              with the input value.
+ *
+ *              When storing into an object the data is converted to the
+ *              target object type then stored in the object.  This means
+ *              that the target object type (for an initialized target) will
+ *              not be changed by a store operation.
+ *
+ *              This module allows destination types of Number, String,
+ *              Buffer, and Package.
+ *
+ *              Assumes parameters are already validated.  NOTE: SourceDesc
+ *              resolution (from a reference object) must be performed by
+ *              the caller if necessary.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiExStoreObjectToObject (
+    ACPI_OPERAND_OBJECT     *SourceDesc,
+    ACPI_OPERAND_OBJECT     *DestDesc,
+    ACPI_OPERAND_OBJECT     **NewDesc,
+    ACPI_WALK_STATE         *WalkState)
+{
+    ACPI_OPERAND_OBJECT     *ActualSrcDesc;
+    ACPI_STATUS             Status = AE_OK;
+
+
+    ACPI_FUNCTION_TRACE_PTR ("AcpiExStoreObjectToObject", SourceDesc);
+
+
+    ActualSrcDesc = SourceDesc;
+    if (!DestDesc)
+    {
+        /*
+         * There is no destination object (An uninitialized node or
+         * package element), so we can simply copy the source object
+         * creating a new destination object
+         */
+        Status = AcpiUtCopyIobjectToIobject (ActualSrcDesc, NewDesc, WalkState);
+        return_ACPI_STATUS (Status);
+    }
+
+    if (ACPI_GET_OBJECT_TYPE (SourceDesc) != ACPI_GET_OBJECT_TYPE (DestDesc))
+    {
+        /*
+         * The source type does not match the type of the destination.
+         * Perform the "implicit conversion" of the source to the current type
+         * of the target as per the ACPI specification.
+         *
+         * If no conversion performed, ActualSrcDesc = SourceDesc.
+         * Otherwise, ActualSrcDesc is a temporary object to hold the
+         * converted object.
+         */
+        Status = AcpiExConvertToTargetType (ACPI_GET_OBJECT_TYPE (DestDesc), SourceDesc,
+                        &ActualSrcDesc, WalkState);
+        if (ACPI_FAILURE (Status))
+        {
+            return_ACPI_STATUS (Status);
+        }
+
+        if (SourceDesc == ActualSrcDesc)
+        {
+            /* 
+             * No conversion was performed.  Return the SourceDesc as the
+             * new object.
+             */
+            *NewDesc = SourceDesc;
+            return_ACPI_STATUS (AE_OK);
+        }
+    }
+
+    /*
+     * We now have two objects of identical types, and we can perform a
+     * copy of the *value* of the source object.
+     */
+    switch (ACPI_GET_OBJECT_TYPE (DestDesc))
+    {
+    case ACPI_TYPE_INTEGER:
+
+        DestDesc->Integer.Value = ActualSrcDesc->Integer.Value;
+
+        /* Truncate value if we are executing from a 32-bit ACPI table */
+
+        AcpiExTruncateFor32bitTable (DestDesc);
+        break;
+
+    case ACPI_TYPE_STRING:
+
+        Status = AcpiExStoreStringToString (ActualSrcDesc, DestDesc);
+        break;
+
+    case ACPI_TYPE_BUFFER:
+
+        Status = AcpiExStoreBufferToBuffer (ActualSrcDesc, DestDesc);
+        break;
+
+    case ACPI_TYPE_PACKAGE:
+
+        Status = AcpiUtCopyIobjectToIobject (ActualSrcDesc, &DestDesc, WalkState);
+        break;
+
+    default:
+        /*
+         * All other types come here.
+         */
+        ACPI_DEBUG_PRINT ((ACPI_DB_WARN, "Store into type %s not implemented\n",
+            AcpiUtGetObjectTypeName (DestDesc)));
+
+        Status = AE_NOT_IMPLEMENTED;
+        break;
+    }
+
+    if (ActualSrcDesc != SourceDesc)
+    {
+        /* Delete the intermediate (temporary) source object */
+
+        AcpiUtRemoveReference (ActualSrcDesc);
+    }
+
+    *NewDesc = DestDesc;
+    return_ACPI_STATUS (Status);
+}
+
+
diff --git a/sys/contrib/dev/acpica/exstorob.c b/sys/contrib/dev/acpica/exstorob.c
new file mode 100644
index 0000000..f9be073
--- /dev/null
+++ b/sys/contrib/dev/acpica/exstorob.c
@@ -0,0 +1,277 @@
+
+/******************************************************************************
+ *
+ * Module Name: exstorob - AML Interpreter object store support, store to object
+ *              $Revision: 46 $
+ *
+ *****************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+#define __EXSTOROB_C__
+
+#include "acpi.h"
+#include "acinterp.h"
+
+
+#define _COMPONENT          ACPI_EXECUTER
+        ACPI_MODULE_NAME    ("exstorob")
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiExStoreBufferToBuffer
+ *
+ * PARAMETERS:  SourceDesc          - Source object to copy
+ *              TargetDesc          - Destination object of the copy
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Copy a buffer object to another buffer object.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiExStoreBufferToBuffer (
+    ACPI_OPERAND_OBJECT     *SourceDesc,
+    ACPI_OPERAND_OBJECT     *TargetDesc)
+{
+    UINT32                  Length;
+    UINT8                   *Buffer;
+
+
+    ACPI_FUNCTION_NAME ("ExStoreBufferToBuffer");
+
+
+    /*
+     * We know that SourceDesc is a buffer by now
+     */
+    Buffer = (UINT8 *) SourceDesc->Buffer.Pointer;
+    Length = SourceDesc->Buffer.Length;
+
+    /*
+     * If target is a buffer of length zero, allocate a new
+     * buffer of the proper length
+     */
+    if (TargetDesc->Buffer.Length == 0)
+    {
+        TargetDesc->Buffer.Pointer = ACPI_MEM_ALLOCATE (Length);
+        if (!TargetDesc->Buffer.Pointer)
+        {
+            return (AE_NO_MEMORY);
+        }
+
+        TargetDesc->Buffer.Length = Length;
+    }
+
+    /*
+     * Buffer is a static allocation,
+     * only place what will fit in the buffer.
+     */
+    if (Length <= TargetDesc->Buffer.Length)
+    {
+        /* Clear existing buffer and copy in the new one */
+
+        ACPI_MEMSET (TargetDesc->Buffer.Pointer, 0, TargetDesc->Buffer.Length);
+        ACPI_MEMCPY (TargetDesc->Buffer.Pointer, Buffer, Length);
+    }
+    else
+    {
+        /*
+         * Truncate the source, copy only what will fit
+         */
+        ACPI_MEMCPY (TargetDesc->Buffer.Pointer, Buffer, TargetDesc->Buffer.Length);
+
+        ACPI_DEBUG_PRINT ((ACPI_DB_INFO,
+            "Truncating src buffer from %X to %X\n",
+            Length, TargetDesc->Buffer.Length));
+    }
+
+    /* Copy flags */
+
+    TargetDesc->Buffer.Flags = SourceDesc->Buffer.Flags;
+    return (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiExStoreStringToString
+ *
+ * PARAMETERS:  SourceDesc          - Source object to copy
+ *              TargetDesc          - Destination object of the copy
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Copy a String object to another String object
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiExStoreStringToString (
+    ACPI_OPERAND_OBJECT     *SourceDesc,
+    ACPI_OPERAND_OBJECT     *TargetDesc)
+{
+    UINT32                  Length;
+    UINT8                   *Buffer;
+
+
+    ACPI_FUNCTION_ENTRY ();
+
+
+    /*
+     * We know that SourceDesc is a string by now.
+     */
+    Buffer = (UINT8 *) SourceDesc->String.Pointer;
+    Length = SourceDesc->String.Length;
+
+    /*
+     * Setting a string value replaces the old string
+     */
+    if (Length < TargetDesc->String.Length)
+    {
+        /* 
+         * String will fit in existing buffer.
+         * Clear old string and copy in the new one 
+         */
+        ACPI_MEMSET (TargetDesc->String.Pointer, 0, (ACPI_SIZE) TargetDesc->String.Length + 1);
+        ACPI_MEMCPY (TargetDesc->String.Pointer, Buffer, Length);
+    }
+    else
+    {
+        /*
+         * Free the current buffer, then allocate a new buffer
+         * large enough to hold the value
+         */
+        if (TargetDesc->String.Pointer &&
+           (!(TargetDesc->Common.Flags & AOPOBJ_STATIC_POINTER)))
+        {
+            /*
+             * Only free if not a pointer into the DSDT
+             */
+            ACPI_MEM_FREE (TargetDesc->String.Pointer);
+        }
+
+        TargetDesc->String.Pointer = ACPI_MEM_CALLOCATE ((ACPI_SIZE) Length + 1);
+        if (!TargetDesc->String.Pointer)
+        {
+            return (AE_NO_MEMORY);
+        }
+
+        ACPI_MEMCPY (TargetDesc->String.Pointer, Buffer, Length);
+    }
+
+    /* Set the new target length */
+
+    TargetDesc->String.Length = Length;
+    return (AE_OK);
+}
+
+
diff --git a/sys/contrib/dev/acpica/exsystem.c b/sys/contrib/dev/acpica/exsystem.c
new file mode 100644
index 0000000..04119b2
--- /dev/null
+++ b/sys/contrib/dev/acpica/exsystem.c
@@ -0,0 +1,461 @@
+
+/******************************************************************************
+ *
+ * Module Name: exsystem - Interface to OS services
+ *              $Revision: 74 $
+ *
+ *****************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+#define __EXSYSTEM_C__
+
+#include "acpi.h"
+#include "acinterp.h"
+#include "acevents.h"
+
+#define _COMPONENT          ACPI_EXECUTER
+        ACPI_MODULE_NAME    ("exsystem")
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiExSystemWaitSemaphore
+ *
+ * PARAMETERS:  Semaphore           - OSD semaphore to wait on
+ *              Timeout             - Max time to wait
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Implements a semaphore wait with a check to see if the
+ *              semaphore is available immediately.  If it is not, the
+ *              interpreter is released.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiExSystemWaitSemaphore (
+    ACPI_HANDLE             Semaphore,
+    UINT16                  Timeout)
+{
+    ACPI_STATUS             Status;
+    ACPI_STATUS             Status2;
+
+
+    ACPI_FUNCTION_TRACE ("ExSystemWaitSemaphore");
+
+
+    Status = AcpiOsWaitSemaphore (Semaphore, 1, 0);
+    if (ACPI_SUCCESS (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    if (Status == AE_TIME)
+    {
+        /* We must wait, so unlock the interpreter */
+
+        AcpiExExitInterpreter ();
+
+        Status = AcpiOsWaitSemaphore (Semaphore, 1, Timeout);
+
+        ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "*** Thread awake after blocking, %s\n",
+            AcpiFormatException (Status)));
+
+        /* Reacquire the interpreter */
+
+        Status2 = AcpiExEnterInterpreter ();
+        if (ACPI_FAILURE (Status2))
+        {
+            /* Report fatal error, could not acquire interpreter */
+
+            return_ACPI_STATUS (Status2);
+        }
+    }
+
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiExSystemDoStall
+ *
+ * PARAMETERS:  HowLong             - The amount of time to stall
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Suspend running thread for specified amount of time.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiExSystemDoStall (
+    UINT32                  HowLong)
+{
+    ACPI_STATUS             Status = AE_OK;
+
+
+    ACPI_FUNCTION_ENTRY ();
+
+
+    if (HowLong > 1000) /* 1 millisecond */
+    {
+        /* Since this thread will sleep, we must release the interpreter */
+
+        AcpiExExitInterpreter ();
+
+        AcpiOsStall (HowLong);
+
+        /* And now we must get the interpreter again */
+
+        Status = AcpiExEnterInterpreter ();
+    }
+
+    else
+    {
+        AcpiOsSleep (0, (HowLong / 1000) + 1);
+    }
+
+    return (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiExSystemDoSuspend
+ *
+ * PARAMETERS:  HowLong             - The amount of time to suspend
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Suspend running thread for specified amount of time.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiExSystemDoSuspend (
+    UINT32                  HowLong)
+{
+    ACPI_STATUS             Status;
+
+
+    ACPI_FUNCTION_ENTRY ();
+
+
+    /* Since this thread will sleep, we must release the interpreter */
+
+    AcpiExExitInterpreter ();
+
+    AcpiOsSleep ((UINT16) (HowLong / (UINT32) 1000),
+                 (UINT16) (HowLong % (UINT32) 1000));
+
+    /* And now we must get the interpreter again */
+
+    Status = AcpiExEnterInterpreter ();
+    return (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiExSystemAcquireMutex
+ *
+ * PARAMETERS:  *TimeDesc           - The 'time to delay' object descriptor
+ *              *ObjDesc            - The object descriptor for this op
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Provides an access point to perform synchronization operations
+ *              within the AML.  This function will cause a lock to be generated
+ *              for the Mutex pointed to by ObjDesc.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiExSystemAcquireMutex (
+    ACPI_OPERAND_OBJECT     *TimeDesc,
+    ACPI_OPERAND_OBJECT     *ObjDesc)
+{
+    ACPI_STATUS             Status = AE_OK;
+
+
+    ACPI_FUNCTION_TRACE_PTR ("ExSystemAcquireMutex", ObjDesc);
+
+
+    if (!ObjDesc)
+    {
+        return_ACPI_STATUS (AE_BAD_PARAMETER);
+    }
+
+    /*
+     * Support for the _GL_ Mutex object -- go get the global lock
+     */
+    if (ObjDesc->Mutex.Semaphore == AcpiGbl_GlobalLockSemaphore)
+    {
+        Status = AcpiEvAcquireGlobalLock ((UINT16) TimeDesc->Integer.Value);
+        return_ACPI_STATUS (Status);
+    }
+
+    Status = AcpiExSystemWaitSemaphore (ObjDesc->Mutex.Semaphore,
+                                         (UINT16) TimeDesc->Integer.Value);
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiExSystemReleaseMutex
+ *
+ * PARAMETERS:  *ObjDesc            - The object descriptor for this op
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Provides an access point to perform synchronization operations
+ *              within the AML.  This operation is a request to release a
+ *              previously acquired Mutex.  If the Mutex variable is set then
+ *              it will be decremented.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiExSystemReleaseMutex (
+    ACPI_OPERAND_OBJECT     *ObjDesc)
+{
+    ACPI_STATUS             Status = AE_OK;
+
+
+    ACPI_FUNCTION_TRACE ("ExSystemReleaseMutex");
+
+
+    if (!ObjDesc)
+    {
+        return_ACPI_STATUS (AE_BAD_PARAMETER);
+    }
+
+    /*
+     * Support for the _GL_ Mutex object -- release the global lock
+     */
+    if (ObjDesc->Mutex.Semaphore == AcpiGbl_GlobalLockSemaphore)
+    {
+        Status = AcpiEvReleaseGlobalLock ();
+        return_ACPI_STATUS (Status);
+    }
+
+    Status = AcpiOsSignalSemaphore (ObjDesc->Mutex.Semaphore, 1);
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiExSystemSignalEvent
+ *
+ * PARAMETERS:  *ObjDesc            - The object descriptor for this op
+ *
+ * RETURN:      AE_OK
+ *
+ * DESCRIPTION: Provides an access point to perform synchronization operations
+ *              within the AML.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiExSystemSignalEvent (
+    ACPI_OPERAND_OBJECT     *ObjDesc)
+{
+    ACPI_STATUS             Status = AE_OK;
+
+
+    ACPI_FUNCTION_TRACE ("ExSystemSignalEvent");
+
+
+    if (ObjDesc)
+    {
+        Status = AcpiOsSignalSemaphore (ObjDesc->Event.Semaphore, 1);
+    }
+
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiExSystemWaitEvent
+ *
+ * PARAMETERS:  *TimeDesc           - The 'time to delay' object descriptor
+ *              *ObjDesc            - The object descriptor for this op
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Provides an access point to perform synchronization operations
+ *              within the AML.  This operation is a request to wait for an
+ *              event.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiExSystemWaitEvent (
+    ACPI_OPERAND_OBJECT     *TimeDesc,
+    ACPI_OPERAND_OBJECT     *ObjDesc)
+{
+    ACPI_STATUS             Status = AE_OK;
+
+
+    ACPI_FUNCTION_TRACE ("ExSystemWaitEvent");
+
+
+    if (ObjDesc)
+    {
+        Status = AcpiExSystemWaitSemaphore (ObjDesc->Event.Semaphore,
+                                             (UINT16) TimeDesc->Integer.Value);
+    }
+
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiExSystemResetEvent
+ *
+ * PARAMETERS:  *ObjDesc            - The object descriptor for this op
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Reset an event to a known state.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiExSystemResetEvent (
+    ACPI_OPERAND_OBJECT     *ObjDesc)
+{
+    ACPI_STATUS             Status = AE_OK;
+    void                    *TempSemaphore;
+
+
+    ACPI_FUNCTION_ENTRY ();
+
+
+    /*
+     * We are going to simply delete the existing semaphore and
+     * create a new one!
+     */
+    Status = AcpiOsCreateSemaphore (ACPI_NO_UNIT_LIMIT, 0, &TempSemaphore);
+    if (ACPI_SUCCESS (Status))
+    {
+        (void) AcpiOsDeleteSemaphore (ObjDesc->Event.Semaphore);
+        ObjDesc->Event.Semaphore = TempSemaphore;
+    }
+
+    return (Status);
+}
+
diff --git a/sys/contrib/dev/acpica/exutils.c b/sys/contrib/dev/acpica/exutils.c
new file mode 100644
index 0000000..599f0af
--- /dev/null
+++ b/sys/contrib/dev/acpica/exutils.c
@@ -0,0 +1,462 @@
+
+/******************************************************************************
+ *
+ * Module Name: exutils - interpreter/scanner utilities
+ *              $Revision: 106 $
+ *
+ *****************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+#define __EXUTILS_C__
+
+/*
+ * DEFINE_AML_GLOBALS is tested in amlcode.h
+ * to determine whether certain global names should be "defined" or only
+ * "declared" in the current compilation.  This enhances maintainability
+ * by enabling a single header file to embody all knowledge of the names
+ * in question.
+ *
+ * Exactly one module of any executable should #define DEFINE_GLOBALS
+ * before #including the header files which use this convention.  The
+ * names in question will be defined and initialized in that module,
+ * and declared as extern in all other modules which #include those
+ * header files.
+ */
+
+#define DEFINE_AML_GLOBALS
+
+#include "acpi.h"
+#include "acinterp.h"
+#include "amlcode.h"
+#include "acevents.h"
+
+#define _COMPONENT          ACPI_EXECUTER
+        ACPI_MODULE_NAME    ("exutils")
+
+
+#ifndef ACPI_NO_METHOD_EXECUTION
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiExEnterInterpreter
+ *
+ * PARAMETERS:  None
+ *
+ * DESCRIPTION: Enter the interpreter execution region.  Failure to enter
+ *              the interpreter region is a fatal system error
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiExEnterInterpreter (void)
+{
+    ACPI_STATUS             Status;
+
+    ACPI_FUNCTION_TRACE ("ExEnterInterpreter");
+
+
+    Status = AcpiUtAcquireMutex (ACPI_MTX_EXECUTE);
+    if (ACPI_FAILURE (Status))
+    {
+        ACPI_REPORT_ERROR (("Could not acquire interpreter mutex\n"));
+    }
+
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiExExitInterpreter
+ *
+ * PARAMETERS:  None
+ *
+ * DESCRIPTION: Exit the interpreter execution region
+ *
+ * Cases where the interpreter is unlocked:
+ *      1) Completion of the execution of a control method
+ *      2) Method blocked on a Sleep() AML opcode
+ *      3) Method blocked on an Acquire() AML opcode
+ *      4) Method blocked on a Wait() AML opcode
+ *      5) Method blocked to acquire the global lock
+ *      6) Method blocked to execute a serialized control method that is
+ *          already executing
+ *      7) About to invoke a user-installed opregion handler
+ *
+ ******************************************************************************/
+
+void
+AcpiExExitInterpreter (void)
+{
+    ACPI_STATUS             Status;
+
+
+    ACPI_FUNCTION_TRACE ("ExExitInterpreter");
+
+
+    Status = AcpiUtReleaseMutex (ACPI_MTX_EXECUTE);
+    if (ACPI_FAILURE (Status))
+    {
+        ACPI_REPORT_ERROR (("Could not release interpreter mutex\n"));
+    }
+
+    return_VOID;
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiExTruncateFor32bitTable
+ *
+ * PARAMETERS:  ObjDesc         - Object to be truncated
+ *
+ * RETURN:      none
+ *
+ * DESCRIPTION: Truncate a number to 32-bits if the currently executing method
+ *              belongs to a 32-bit ACPI table.
+ *
+ ******************************************************************************/
+
+void
+AcpiExTruncateFor32bitTable (
+    ACPI_OPERAND_OBJECT     *ObjDesc)
+{
+
+    ACPI_FUNCTION_ENTRY ();
+
+
+    /*
+     * Object must be a valid number and we must be executing
+     * a control method
+     */
+    if ((!ObjDesc) ||
+        (ACPI_GET_OBJECT_TYPE (ObjDesc) != ACPI_TYPE_INTEGER))
+    {
+        return;
+    }
+
+    if (AcpiGbl_IntegerByteWidth == 4)
+    {
+        /*
+         * We are running a method that exists in a 32-bit ACPI table.
+         * Truncate the value to 32 bits by zeroing out the upper 32-bit field
+         */
+        ObjDesc->Integer.Value &= (ACPI_INTEGER) ACPI_UINT32_MAX;
+    }
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiExAcquireGlobalLock
+ *
+ * PARAMETERS:  FieldFlags            - Flags with Lock rule:
+ *                                      AlwaysLock or NeverLock
+ *
+ * RETURN:      TRUE/FALSE indicating whether the lock was actually acquired
+ *
+ * DESCRIPTION: Obtain the global lock and keep track of this fact via two
+ *              methods.  A global variable keeps the state of the lock, and
+ *              the state is returned to the caller.
+ *
+ ******************************************************************************/
+
+BOOLEAN
+AcpiExAcquireGlobalLock (
+    UINT32                  FieldFlags)
+{
+    BOOLEAN                 Locked = FALSE;
+    ACPI_STATUS             Status;
+
+
+    ACPI_FUNCTION_TRACE ("ExAcquireGlobalLock");
+
+
+    /* Only attempt lock if the AlwaysLock bit is set */
+
+    if (FieldFlags & AML_FIELD_LOCK_RULE_MASK)
+    {
+        /* We should attempt to get the lock, wait forever */
+
+        Status = AcpiEvAcquireGlobalLock (ACPI_WAIT_FOREVER);
+        if (ACPI_SUCCESS (Status))
+        {
+            Locked = TRUE;
+        }
+        else
+        {
+            ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Could not acquire Global Lock, %s\n",
+                AcpiFormatException (Status)));
+        }
+    }
+
+    return_VALUE (Locked);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiExReleaseGlobalLock
+ *
+ * PARAMETERS:  LockedByMe      - Return value from corresponding call to
+ *                                AcquireGlobalLock.
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Release the global lock if it is locked.
+ *
+ ******************************************************************************/
+
+void
+AcpiExReleaseGlobalLock (
+    BOOLEAN                 LockedByMe)
+{
+    ACPI_STATUS             Status;
+
+
+    ACPI_FUNCTION_TRACE ("ExReleaseGlobalLock");
+
+
+    /* Only attempt unlock if the caller locked it */
+
+    if (LockedByMe)
+    {
+        /* OK, now release the lock */
+
+        Status = AcpiEvReleaseGlobalLock ();
+        if (ACPI_FAILURE (Status))
+        {
+            /* Report the error, but there isn't much else we can do */
+
+            ACPI_REPORT_ERROR (("Could not release ACPI Global Lock, %s\n",
+                AcpiFormatException (Status)));
+        }
+    }
+
+    return_VOID;
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiExDigitsNeeded
+ *
+ * PARAMETERS:  Value           - Value to be represented
+ *              Base            - Base of representation
+ *
+ * RETURN:      the number of digits needed to represent Value in Base
+ *
+ ******************************************************************************/
+
+UINT32
+AcpiExDigitsNeeded (
+    ACPI_INTEGER            Value,
+    UINT32                  Base)
+{
+    UINT32                  NumDigits;
+    ACPI_INTEGER            CurrentValue;
+    ACPI_INTEGER            Quotient;
+
+
+    ACPI_FUNCTION_TRACE ("ExDigitsNeeded");
+
+
+    /*
+     * ACPI_INTEGER is unsigned, so we don't worry about a '-'
+     */
+    CurrentValue = Value;
+    NumDigits = 0;
+
+    while (CurrentValue)
+    {
+        (void) AcpiUtShortDivide (&CurrentValue, Base, &Quotient, NULL);
+        NumDigits++;
+        CurrentValue = Quotient;
+    }
+
+    return_VALUE (NumDigits);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiExEisaIdToString
+ *
+ * PARAMETERS:  NumericId       - EISA ID to be converted
+ *              OutString       - Where to put the converted string (8 bytes)
+ *
+ * DESCRIPTION: Convert a numeric EISA ID to string representation
+ *
+ ******************************************************************************/
+
+void
+AcpiExEisaIdToString (
+    UINT32                  NumericId,
+    NATIVE_CHAR             *OutString)
+{
+    UINT32                  EisaId;
+
+
+    ACPI_FUNCTION_ENTRY ();
+
+
+    /* Swap ID to big-endian to get contiguous bits */
+
+    EisaId = AcpiUtDwordByteSwap (NumericId);
+
+    OutString[0] = (char) ('@' + (((unsigned long) EisaId >> 26) & 0x1f));
+    OutString[1] = (char) ('@' + ((EisaId >> 21) & 0x1f));
+    OutString[2] = (char) ('@' + ((EisaId >> 16) & 0x1f));
+    OutString[3] = AcpiUtHexToAsciiChar ((ACPI_INTEGER) EisaId, 12);
+    OutString[4] = AcpiUtHexToAsciiChar ((ACPI_INTEGER) EisaId, 8);
+    OutString[5] = AcpiUtHexToAsciiChar ((ACPI_INTEGER) EisaId, 4);
+    OutString[6] = AcpiUtHexToAsciiChar ((ACPI_INTEGER) EisaId, 0);
+    OutString[7] = 0;
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiExUnsignedIntegerToString
+ *
+ * PARAMETERS:  Value           - Value to be converted
+ *              OutString       - Where to put the converted string (8 bytes)
+ *
+ * RETURN:      Convert a number to string representation
+ *
+ ******************************************************************************/
+
+void
+AcpiExUnsignedIntegerToString (
+    ACPI_INTEGER            Value,
+    NATIVE_CHAR             *OutString)
+{
+    UINT32                  Count;
+    UINT32                  DigitsNeeded;
+    UINT32                  Remainder;
+    ACPI_INTEGER            Quotient;
+
+
+    ACPI_FUNCTION_ENTRY ();
+
+
+    DigitsNeeded = AcpiExDigitsNeeded (Value, 10);
+    OutString[DigitsNeeded] = 0;
+
+    for (Count = DigitsNeeded; Count > 0; Count--)
+    {
+        (void) AcpiUtShortDivide (&Value, 10, &Quotient, &Remainder);
+        OutString[Count-1] = (NATIVE_CHAR) ('0' + Remainder);\
+        Value = Quotient;
+    }
+}
+
+#endif
diff --git a/sys/contrib/dev/acpica/hwacpi.c b/sys/contrib/dev/acpica/hwacpi.c
new file mode 100644
index 0000000..9dffda3
--- /dev/null
+++ b/sys/contrib/dev/acpica/hwacpi.c
@@ -0,0 +1,307 @@
+
+/******************************************************************************
+ *
+ * Module Name: hwacpi - ACPI Hardware Initialization/Mode Interface
+ *              $Revision: 60 $
+ *
+ *****************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+#define __HWACPI_C__
+
+#include "acpi.h"
+
+
+#define _COMPONENT          ACPI_HARDWARE
+        ACPI_MODULE_NAME    ("hwacpi")
+
+
+/******************************************************************************
+ *
+ * FUNCTION:    AcpiHwInitialize
+ *
+ * PARAMETERS:  None
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Initialize and validate various ACPI registers
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiHwInitialize (
+    void)
+{
+    ACPI_STATUS             Status;
+
+
+    ACPI_FUNCTION_TRACE ("HwInitialize");
+
+
+    /* We must have the ACPI tables by the time we get here */
+
+    if (!AcpiGbl_FADT)
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "A FADT is not loaded\n"));
+
+        return_ACPI_STATUS (AE_NO_ACPI_TABLES);
+    }
+
+    /* Sanity check the FADT for valid values */
+
+    Status = AcpiUtValidateFadt ();
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    return_ACPI_STATUS (AE_OK);
+}
+
+
+/******************************************************************************
+ *
+ * FUNCTION:    AcpiHwSetMode
+ *
+ * PARAMETERS:  Mode            - SYS_MODE_ACPI or SYS_MODE_LEGACY
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Transitions the system into the requested mode.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiHwSetMode (
+    UINT32                  Mode)
+{
+
+    ACPI_STATUS             Status;
+    UINT32                  Retry;
+
+
+    ACPI_FUNCTION_TRACE ("HwSetMode");
+
+    /*
+     * ACPI 2.0 clarified that if SMI_CMD in FADT is zero,
+     * system does not support mode transition.
+     */
+    if (!AcpiGbl_FADT->SmiCmd)
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "No SMI_CMD in FADT, mode transition failed.\n")); 
+        return_ACPI_STATUS (AE_NO_HARDWARE_RESPONSE);
+    }
+
+    /*
+     * ACPI 2.0 clarified the meaning of ACPI_ENABLE and ACPI_DISABLE
+     * in FADT: If it is zero, enabling or disabling is not supported.
+     * As old systems may have used zero for mode transition,
+     * we make sure both the numbers are zero to determine these
+     * transitions are not supported.
+     */
+    if (!AcpiGbl_FADT->AcpiEnable && !AcpiGbl_FADT->AcpiDisable)
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "No mode transition supported in this system.\n"));
+        return_ACPI_STATUS (AE_OK);
+    }
+
+    switch (Mode)
+    {
+    case ACPI_SYS_MODE_ACPI:
+
+        /* BIOS should have disabled ALL fixed and GP events */
+
+        Status = AcpiOsWritePort (AcpiGbl_FADT->SmiCmd,
+                        (ACPI_INTEGER) AcpiGbl_FADT->AcpiEnable, 8);
+        ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Attempting to enable ACPI mode\n"));
+        break;
+
+    case ACPI_SYS_MODE_LEGACY:
+
+        /*
+         * BIOS should clear all fixed status bits and restore fixed event
+         * enable bits to default
+         */
+        Status = AcpiOsWritePort (AcpiGbl_FADT->SmiCmd,
+                    (ACPI_INTEGER) AcpiGbl_FADT->AcpiDisable, 8);
+        ACPI_DEBUG_PRINT ((ACPI_DB_INFO,
+                    "Attempting to enable Legacy (non-ACPI) mode\n"));
+        break;
+
+    default:
+        return_ACPI_STATUS (AE_BAD_PARAMETER);
+    }
+
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    /*
+     * Some hardware takes a LONG time to switch modes. Give them 3 sec to
+     * do so, but allow faster systems to proceed more quickly.
+     */
+    Retry = 3000;
+    while (Retry)
+    {
+        Status = AE_NO_HARDWARE_RESPONSE;
+
+        if (AcpiHwGetMode() == Mode)
+        {
+            ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Mode %X successfully enabled\n", Mode));
+            Status = AE_OK;
+            break;
+        }
+        AcpiOsStall(1000);
+        Retry--;
+    }
+
+    return_ACPI_STATUS (Status);
+}
+
+
+/******************************************************************************
+ *
+ * FUNCTION:    AcpiHwGetMode
+ *
+ * PARAMETERS:  none
+ *
+ * RETURN:      SYS_MODE_ACPI or SYS_MODE_LEGACY
+ *
+ * DESCRIPTION: Return current operating state of system.  Determined by
+ *              querying the SCI_EN bit.
+ *
+ ******************************************************************************/
+
+UINT32
+AcpiHwGetMode (void)
+{
+    ACPI_STATUS             Status;
+    UINT32                  Value;
+
+
+    ACPI_FUNCTION_TRACE ("HwGetMode");
+
+    Status = AcpiGetRegister (ACPI_BITREG_SCI_ENABLE, &Value, ACPI_MTX_LOCK);
+    if (ACPI_FAILURE (Status))
+    {
+        return_VALUE (ACPI_SYS_MODE_LEGACY);
+    }
+
+    if (Value)
+    {
+        return_VALUE (ACPI_SYS_MODE_ACPI);
+    }
+    else
+    {
+        return_VALUE (ACPI_SYS_MODE_LEGACY);
+    }
+}
diff --git a/sys/contrib/dev/acpica/hwgpe.c b/sys/contrib/dev/acpica/hwgpe.c
new file mode 100644
index 0000000..cf822a5
--- /dev/null
+++ b/sys/contrib/dev/acpica/hwgpe.c
@@ -0,0 +1,552 @@
+
+/******************************************************************************
+ *
+ * Module Name: hwgpe - Low level GPE enable/disable/clear functions
+ *              $Revision: 42 $
+ *
+ *****************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+#include "acpi.h"
+#include "acevents.h"
+
+#define _COMPONENT          ACPI_HARDWARE
+        ACPI_MODULE_NAME    ("hwgpe")
+
+
+/******************************************************************************
+ *
+ * FUNCTION:    AcpiHwGetGpeBitMask
+ *
+ * PARAMETERS:  GpeNumber       - The GPE
+ *
+ * RETURN:      Gpe register bitmask for this gpe level
+ *
+ * DESCRIPTION: Get the bitmask for this GPE
+ *
+ ******************************************************************************/
+
+UINT8
+AcpiHwGetGpeBitMask (
+    UINT32                  GpeNumber)
+{
+    return (AcpiGbl_GpeNumberInfo [AcpiEvGetGpeNumberIndex (GpeNumber)].BitMask);
+}
+
+
+/******************************************************************************
+ *
+ * FUNCTION:    AcpiHwEnableGpe
+ *
+ * PARAMETERS:  GpeNumber       - The GPE
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Enable a single GPE.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiHwEnableGpe (
+    UINT32                  GpeNumber)
+{
+    UINT32                  InByte;
+    UINT32                  RegisterIndex;
+    UINT8                   BitMask;
+    ACPI_STATUS             Status;
+
+
+    ACPI_FUNCTION_ENTRY ();
+
+
+    /* Translate GPE number to index into global registers array. */
+
+    RegisterIndex = AcpiEvGetGpeRegisterIndex (GpeNumber);
+
+    /* Get the register bitmask for this GPE */
+
+    BitMask = AcpiHwGetGpeBitMask (GpeNumber);
+
+    /*
+     * Read the current value of the register, set the appropriate bit
+     * to enable the GPE, and write out the new register.
+     */
+    Status = AcpiHwLowLevelRead (8, &InByte,
+                    &AcpiGbl_GpeRegisterInfo[RegisterIndex].EnableAddress, 0);
+    if (ACPI_FAILURE (Status))
+    {
+        return (Status);
+    }
+
+    Status = AcpiHwLowLevelWrite (8, (InByte | BitMask),
+                    &AcpiGbl_GpeRegisterInfo[RegisterIndex].EnableAddress, 0);
+
+    return (Status);
+}
+
+
+/******************************************************************************
+ *
+ * FUNCTION:    AcpiHwEnableGpeForWakeup
+ *
+ * PARAMETERS:  GpeNumber       - The GPE
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Keep track of which GPEs the OS has requested not be
+ *              disabled when going to sleep.
+ *
+ ******************************************************************************/
+
+void
+AcpiHwEnableGpeForWakeup (
+    UINT32                  GpeNumber)
+{
+    UINT32                  RegisterIndex;
+    UINT8                   BitMask;
+
+
+    ACPI_FUNCTION_ENTRY ();
+
+
+    /* Translate GPE number to index into global registers array. */
+
+    RegisterIndex = AcpiEvGetGpeRegisterIndex (GpeNumber);
+
+    /* Get the register bitmask for this GPE */
+
+    BitMask = AcpiHwGetGpeBitMask (GpeNumber);
+
+    /*
+     * Set the bit so we will not disable this when sleeping
+     */
+    AcpiGbl_GpeRegisterInfo[RegisterIndex].WakeEnable |= BitMask;
+}
+
+
+/******************************************************************************
+ *
+ * FUNCTION:    AcpiHwDisableGpe
+ *
+ * PARAMETERS:  GpeNumber       - The GPE
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Disable a single GPE.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiHwDisableGpe (
+    UINT32                  GpeNumber)
+{
+    UINT32                  InByte;
+    UINT32                  RegisterIndex;
+    UINT8                   BitMask;
+    ACPI_STATUS             Status;
+
+
+    ACPI_FUNCTION_ENTRY ();
+
+
+    /* Translate GPE number to index into global registers array. */
+
+    RegisterIndex = AcpiEvGetGpeRegisterIndex (GpeNumber);
+
+    /* Get the register bitmask for this GPE */
+
+    BitMask = AcpiHwGetGpeBitMask (GpeNumber);
+
+    /*
+     * Read the current value of the register, clear the appropriate bit,
+     * and write out the new register value to disable the GPE.
+     */
+    Status = AcpiHwLowLevelRead (8, &InByte,
+                    &AcpiGbl_GpeRegisterInfo[RegisterIndex].EnableAddress, 0);
+    if (ACPI_FAILURE (Status))
+    {
+        return (Status);
+    }
+
+    Status = AcpiHwLowLevelWrite (8, (InByte & ~BitMask),
+                    &AcpiGbl_GpeRegisterInfo[RegisterIndex].EnableAddress, 0);
+    if (ACPI_FAILURE (Status))
+    {
+        return (Status);
+    }
+
+    AcpiHwDisableGpeForWakeup(GpeNumber);
+    return (AE_OK);
+}
+
+
+/******************************************************************************
+ *
+ * FUNCTION:    AcpiHwDisableGpeForWakeup
+ *
+ * PARAMETERS:  GpeNumber       - The GPE
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Keep track of which GPEs the OS has requested not be
+ *              disabled when going to sleep.
+ *
+ ******************************************************************************/
+
+void
+AcpiHwDisableGpeForWakeup (
+    UINT32                  GpeNumber)
+{
+    UINT32                  RegisterIndex;
+    UINT8                   BitMask;
+
+
+    ACPI_FUNCTION_ENTRY ();
+
+
+    /* Translate GPE number to index into global registers array. */
+
+    RegisterIndex = AcpiEvGetGpeRegisterIndex (GpeNumber);
+
+    /* Get the register bitmask for this GPE */
+
+    BitMask = AcpiHwGetGpeBitMask (GpeNumber);
+
+    /*
+     * Clear the bit so we will disable this when sleeping
+     */
+    AcpiGbl_GpeRegisterInfo[RegisterIndex].WakeEnable &= ~BitMask;
+}
+
+
+/******************************************************************************
+ *
+ * FUNCTION:    AcpiHwClearGpe
+ *
+ * PARAMETERS:  GpeNumber       - The GPE
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Clear a single GPE.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiHwClearGpe (
+    UINT32                  GpeNumber)
+{
+    UINT32                  RegisterIndex;
+    UINT8                   BitMask;
+    ACPI_STATUS             Status;
+
+
+    ACPI_FUNCTION_ENTRY ();
+
+
+    /* Translate GPE number to index into global registers array. */
+
+    RegisterIndex = AcpiEvGetGpeRegisterIndex (GpeNumber);
+
+    /* Get the register bitmask for this GPE */
+
+    BitMask = AcpiHwGetGpeBitMask (GpeNumber);
+
+    /*
+     * Write a one to the appropriate bit in the status register to
+     * clear this GPE.
+     */
+    Status = AcpiHwLowLevelWrite (8, BitMask,
+                    &AcpiGbl_GpeRegisterInfo[RegisterIndex].StatusAddress, 0);
+
+    return (Status);
+}
+
+
+/******************************************************************************
+ *
+ * FUNCTION:    AcpiHwGetGpeStatus
+ *
+ * PARAMETERS:  GpeNumber       - The GPE
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Return the status of a single GPE.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiHwGetGpeStatus (
+    UINT32                  GpeNumber,
+    ACPI_EVENT_STATUS       *EventStatus)
+{
+    UINT32                  InByte = 0;
+    UINT32                  RegisterIndex = 0;
+    UINT8                   BitMask = 0;
+    ACPI_GPE_REGISTER_INFO  *GpeRegisterInfo;
+    ACPI_STATUS             Status;
+
+
+    ACPI_FUNCTION_ENTRY ();
+
+
+    if (!EventStatus)
+    {
+        return (AE_BAD_PARAMETER);
+    }
+
+    (*EventStatus) = 0;
+
+    /* Translate GPE number to index into global registers array. */
+
+    RegisterIndex = AcpiEvGetGpeRegisterIndex (GpeNumber);
+    GpeRegisterInfo = &AcpiGbl_GpeRegisterInfo[RegisterIndex];
+
+    /* Get the register bitmask for this GPE */
+
+    BitMask = AcpiHwGetGpeBitMask (GpeNumber);
+
+    /* GPE Enabled? */
+
+    Status = AcpiHwLowLevelRead (8, &InByte, &GpeRegisterInfo->EnableAddress, 0);
+    if (ACPI_FAILURE (Status))
+    {
+        return (Status);
+    }
+
+    if (BitMask & InByte)
+    {
+        (*EventStatus) |= ACPI_EVENT_FLAG_ENABLED;
+    }
+
+    /* GPE Enabled for wake? */
+
+    if (BitMask & GpeRegisterInfo->WakeEnable)
+    {
+        (*EventStatus) |= ACPI_EVENT_FLAG_WAKE_ENABLED;
+    }
+
+    /* GPE active (set)? */
+
+    Status = AcpiHwLowLevelRead (8, &InByte, &GpeRegisterInfo->StatusAddress, 0);
+    if (ACPI_FAILURE (Status))
+    {
+        return (Status);
+    }
+
+    if (BitMask & InByte)
+    {
+        (*EventStatus) |= ACPI_EVENT_FLAG_SET;
+    }
+    return (AE_OK);
+}
+
+
+/******************************************************************************
+ *
+ * FUNCTION:    AcpiHwDisableNonWakeupGpes
+ *
+ * PARAMETERS:  None
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Disable all non-wakeup GPEs
+ *              Call with interrupts disabled. The interrupt handler also
+ *              modifies AcpiGbl_GpeRegisterInfo[i].Enable, so it should not be
+ *              given the chance to run until after non-wake GPEs are
+ *              re-enabled.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiHwDisableNonWakeupGpes (
+    void)
+{
+    UINT32                  i;
+    ACPI_GPE_REGISTER_INFO  *GpeRegisterInfo;
+    UINT32                  InValue;
+    ACPI_STATUS             Status;
+
+
+    ACPI_FUNCTION_ENTRY ();
+
+
+    for (i = 0; i < AcpiGbl_GpeRegisterCount; i++)
+    {
+        GpeRegisterInfo = &AcpiGbl_GpeRegisterInfo[i];
+
+        /*
+         * Read the enabled status of all GPEs. We
+         * will be using it to restore all the GPEs later.
+         */
+        Status = AcpiHwLowLevelRead (8, &InValue,
+                    &GpeRegisterInfo->EnableAddress, 0);
+        if (ACPI_FAILURE (Status))
+        {
+            return (Status);
+        }
+
+        GpeRegisterInfo->Enable = (UINT8) InValue;
+
+        /*
+         * Disable all GPEs except wakeup GPEs.
+         */
+        Status = AcpiHwLowLevelWrite (8, GpeRegisterInfo->WakeEnable,
+                &GpeRegisterInfo->EnableAddress, 0);
+        if (ACPI_FAILURE (Status))
+        {
+            return (Status);
+        }
+    }
+    return (AE_OK);
+}
+
+
+/******************************************************************************
+ *
+ * FUNCTION:    AcpiHwEnableNonWakeupGpes
+ *
+ * PARAMETERS:  None
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Enable all non-wakeup GPEs we previously enabled.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiHwEnableNonWakeupGpes (
+    void)
+{
+    UINT32                  i;
+    ACPI_GPE_REGISTER_INFO  *GpeRegisterInfo;
+    ACPI_STATUS             Status;
+
+
+    ACPI_FUNCTION_ENTRY ();
+
+
+    for (i = 0; i < AcpiGbl_GpeRegisterCount; i++)
+    {
+        GpeRegisterInfo = &AcpiGbl_GpeRegisterInfo[i];
+
+        /*
+         * We previously stored the enabled status of all GPEs.
+         * Blast them back in.
+         */
+        Status = AcpiHwLowLevelWrite (8, GpeRegisterInfo->Enable,
+                    &GpeRegisterInfo->EnableAddress, 0);
+        if (ACPI_FAILURE (Status))
+        {
+            return (Status);
+        }
+    }
+    return (AE_OK);
+}
diff --git a/sys/contrib/dev/acpica/hwregs.c b/sys/contrib/dev/acpica/hwregs.c
new file mode 100644
index 0000000..164a44f
--- /dev/null
+++ b/sys/contrib/dev/acpica/hwregs.c
@@ -0,0 +1,976 @@
+
+/*******************************************************************************
+ *
+ * Module Name: hwregs - Read/write access functions for the various ACPI
+ *                       control and status registers.
+ *              $Revision: 134 $
+ *
+ ******************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+#define __HWREGS_C__
+
+#include "acpi.h"
+#include "acnamesp.h"
+
+#define _COMPONENT          ACPI_HARDWARE
+        ACPI_MODULE_NAME    ("hwregs")
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiHwClearAcpiStatus
+ *
+ * PARAMETERS:  none
+ *
+ * RETURN:      none
+ *
+ * DESCRIPTION: Clears all fixed and general purpose status bits
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiHwClearAcpiStatus (void)
+{
+    NATIVE_UINT_MAX32       i;
+    NATIVE_UINT             GpeBlock;
+    ACPI_STATUS             Status;
+
+
+    ACPI_FUNCTION_TRACE ("HwClearAcpiStatus");
+
+
+    ACPI_DEBUG_PRINT ((ACPI_DB_IO, "About to write %04X to %04X\n",
+        ACPI_BITMASK_ALL_FIXED_STATUS,
+        (UINT16) ACPI_GET_ADDRESS (AcpiGbl_FADT->XPm1aEvtBlk.Address)));
+
+
+    Status = AcpiUtAcquireMutex (ACPI_MTX_HARDWARE);
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    Status = AcpiHwRegisterWrite (ACPI_MTX_DO_NOT_LOCK, ACPI_REGISTER_PM1_STATUS,
+                    ACPI_BITMASK_ALL_FIXED_STATUS);
+    if (ACPI_FAILURE (Status))
+    {
+        goto UnlockAndExit;
+    }
+
+    /* Clear the fixed events */
+
+    if (ACPI_VALID_ADDRESS (AcpiGbl_FADT->XPm1bEvtBlk.Address))
+    {
+        Status = AcpiHwLowLevelWrite (16, ACPI_BITMASK_ALL_FIXED_STATUS,
+                    &AcpiGbl_FADT->XPm1bEvtBlk, 0);
+        if (ACPI_FAILURE (Status))
+        {
+            goto UnlockAndExit;
+        }
+    }
+
+    /* Clear the GPE Bits */
+
+    for (GpeBlock = 0; GpeBlock < ACPI_MAX_GPE_BLOCKS; GpeBlock++)
+    {
+        for (i = 0; i < AcpiGbl_GpeBlockInfo[GpeBlock].RegisterCount; i++)
+        {
+            Status = AcpiHwLowLevelWrite (8, 0xFF,
+                        AcpiGbl_GpeBlockInfo[GpeBlock].BlockAddress, i);
+            if (ACPI_FAILURE (Status))
+            {
+                goto UnlockAndExit;
+            }
+        }
+    }
+
+UnlockAndExit:
+    (void) AcpiUtReleaseMutex (ACPI_MTX_HARDWARE);
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiGetSleepTypeData
+ *
+ * PARAMETERS:  SleepState          - Numeric sleep state
+ *              *SleepTypeA         - Where SLP_TYPa is returned
+ *              *SleepTypeB         - Where SLP_TYPb is returned
+ *
+ * RETURN:      Status - ACPI status
+ *
+ * DESCRIPTION: Obtain the SLP_TYPa and SLP_TYPb values for the requested sleep
+ *              state.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiGetSleepTypeData (
+    UINT8                   SleepState,
+    UINT8                   *SleepTypeA,
+    UINT8                   *SleepTypeB)
+{
+    ACPI_STATUS             Status = AE_OK;
+    ACPI_OPERAND_OBJECT     *ObjDesc;
+
+
+    ACPI_FUNCTION_TRACE ("AcpiGetSleepTypeData");
+
+
+    /*
+     * Validate parameters
+     */
+    if ((SleepState > ACPI_S_STATES_MAX) ||
+        !SleepTypeA || !SleepTypeB)
+    {
+        return_ACPI_STATUS (AE_BAD_PARAMETER);
+    }
+
+    /*
+     * Evaluate the namespace object containing the values for this state
+     */
+    Status = AcpiNsEvaluateByName ((NATIVE_CHAR *) AcpiGbl_DbSleepStates[SleepState],
+                    NULL, &ObjDesc);
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    /* Must have a return object */
+
+    if (!ObjDesc)
+    {
+        ACPI_REPORT_ERROR (("Missing Sleep State object\n"));
+        Status = AE_NOT_EXIST;
+    }
+
+    /* It must be of type Package */
+
+    else if (ACPI_GET_OBJECT_TYPE (ObjDesc) != ACPI_TYPE_PACKAGE)
+    {
+        ACPI_REPORT_ERROR (("Sleep State object not a Package\n"));
+        Status = AE_AML_OPERAND_TYPE;
+    }
+
+    /* The package must have at least two elements */
+
+    else if (ObjDesc->Package.Count < 2)
+    {
+        ACPI_REPORT_ERROR (("Sleep State package does not have at least two elements\n"));
+        Status = AE_AML_NO_OPERAND;
+    }
+
+    /* The first two elements must both be of type Integer */
+
+    else if ((ACPI_GET_OBJECT_TYPE (ObjDesc->Package.Elements[0]) != ACPI_TYPE_INTEGER) ||
+             (ACPI_GET_OBJECT_TYPE (ObjDesc->Package.Elements[1]) != ACPI_TYPE_INTEGER))
+    {
+        ACPI_REPORT_ERROR (("Sleep State package elements are not both Integers (%s, %s)\n",
+            AcpiUtGetObjectTypeName (ObjDesc->Package.Elements[0]),
+            AcpiUtGetObjectTypeName (ObjDesc->Package.Elements[1])));
+        Status = AE_AML_OPERAND_TYPE;
+    }
+    else
+    {
+        /*
+         * Valid _Sx_ package size, type, and value
+         */
+        *SleepTypeA = (UINT8) (ObjDesc->Package.Elements[0])->Integer.Value;
+        *SleepTypeB = (UINT8) (ObjDesc->Package.Elements[1])->Integer.Value;
+    }
+
+    if (ACPI_FAILURE (Status))
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Bad Sleep object %p type %s\n",
+            ObjDesc, AcpiUtGetObjectTypeName (ObjDesc)));
+    }
+
+    AcpiUtRemoveReference (ObjDesc);
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiHwGetRegisterBitMask
+ *
+ * PARAMETERS:  RegisterId          - Index of ACPI Register to access
+ *
+ * RETURN:      The bit mask to be used when accessing the register
+ *
+ * DESCRIPTION: Map RegisterId into a register bit mask.
+ *
+ ******************************************************************************/
+
+ACPI_BIT_REGISTER_INFO *
+AcpiHwGetBitRegisterInfo (
+    UINT32                  RegisterId)
+{
+    ACPI_FUNCTION_NAME ("HwGetBitRegisterInfo");
+
+
+    if (RegisterId > ACPI_BITREG_MAX)
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Invalid BitRegister ID: %X\n", RegisterId));
+        return (NULL);
+    }
+
+    return (&AcpiGbl_BitRegisterInfo[RegisterId]);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiGetRegister
+ *
+ * PARAMETERS:  RegisterId          - Index of ACPI Register to access
+ *              UseLock             - Lock the hardware
+ *
+ * RETURN:      Value is read from specified Register.  Value returned is
+ *              normalized to bit0 (is shifted all the way right)
+ *
+ * DESCRIPTION: ACPI BitRegister read function.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiGetRegister (
+    UINT32                  RegisterId,
+    UINT32                  *ReturnValue,
+    UINT32                  Flags)
+{
+    UINT32                  RegisterValue = 0;
+    ACPI_BIT_REGISTER_INFO  *BitRegInfo;
+    ACPI_STATUS             Status;
+
+
+    ACPI_FUNCTION_TRACE ("AcpiGetRegister");
+
+
+    /* Get the info structure corresponding to the requested ACPI Register */
+
+    BitRegInfo = AcpiHwGetBitRegisterInfo (RegisterId);
+    if (!BitRegInfo)
+    {
+        return_ACPI_STATUS (AE_BAD_PARAMETER);
+    }
+
+    if (Flags & ACPI_MTX_LOCK)
+    {
+        Status = AcpiUtAcquireMutex (ACPI_MTX_HARDWARE);
+        if (ACPI_FAILURE (Status))
+        {
+            return_ACPI_STATUS (Status);
+        }
+    }
+
+    Status = AcpiHwRegisterRead (ACPI_MTX_DO_NOT_LOCK,
+                    BitRegInfo->ParentRegister, &RegisterValue);
+
+    if (Flags & ACPI_MTX_LOCK)
+    {
+        (void) AcpiUtReleaseMutex (ACPI_MTX_HARDWARE);
+    }
+
+    if (ACPI_SUCCESS (Status))
+    {
+        /* Normalize the value that was read */
+
+        RegisterValue = ((RegisterValue & BitRegInfo->AccessBitMask)
+                            >> BitRegInfo->BitPosition);
+
+        *ReturnValue = RegisterValue;
+
+        ACPI_DEBUG_PRINT ((ACPI_DB_IO, "Read value %X\n", RegisterValue));
+    }
+
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiSetRegister
+ *
+ * PARAMETERS:  RegisterId      - ID of ACPI BitRegister to access
+ *              Value           - (only used on write) value to write to the
+ *                                Register, NOT pre-normalized to the bit pos.
+ *              Flags           - Lock the hardware or not
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: ACPI Bit Register write function.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiSetRegister (
+    UINT32                  RegisterId,
+    UINT32                  Value,
+    UINT32                  Flags)
+{
+    UINT32                  RegisterValue = 0;
+    ACPI_BIT_REGISTER_INFO  *BitRegInfo;
+    ACPI_STATUS             Status;
+
+
+    ACPI_FUNCTION_TRACE_U32 ("AcpiSetRegister", RegisterId);
+
+
+    /* Get the info structure corresponding to the requested ACPI Register */
+
+    BitRegInfo = AcpiHwGetBitRegisterInfo (RegisterId);
+    if (!BitRegInfo)
+    {
+        ACPI_REPORT_ERROR (("Bad ACPI HW RegisterId: %X\n", RegisterId));
+        return_ACPI_STATUS (AE_BAD_PARAMETER);
+    }
+
+    if (Flags & ACPI_MTX_LOCK)
+    {
+        Status = AcpiUtAcquireMutex (ACPI_MTX_HARDWARE);
+        if (ACPI_FAILURE (Status))
+        {
+            return_ACPI_STATUS (Status);
+        }
+    }
+
+    /* Always do a register read first so we can insert the new bits  */
+
+    Status = AcpiHwRegisterRead (ACPI_MTX_DO_NOT_LOCK,
+                    BitRegInfo->ParentRegister, &RegisterValue);
+    if (ACPI_FAILURE (Status))
+    {
+        goto UnlockAndExit;
+    }
+
+    /*
+     * Decode the Register ID
+     * Register id = Register block id | bit id
+     *
+     * Check bit id to fine locate Register offset.
+     * Check Mask to determine Register offset, and then read-write.
+     */
+    switch (BitRegInfo->ParentRegister)
+    {
+    case ACPI_REGISTER_PM1_STATUS:
+
+        /*
+         * Status Registers are different from the rest.  Clear by
+         * writing 1, writing 0 has no effect.  So, the only relevent
+         * information is the single bit we're interested in, all others should
+         * be written as 0 so they will be left unchanged
+         */
+        Value = ACPI_REGISTER_PREPARE_BITS (Value,
+                    BitRegInfo->BitPosition, BitRegInfo->AccessBitMask);
+        if (Value)
+        {
+            Status = AcpiHwRegisterWrite (ACPI_MTX_DO_NOT_LOCK,
+                        ACPI_REGISTER_PM1_STATUS, (UINT16) Value);
+            RegisterValue = 0;
+        }
+        break;
+
+
+    case ACPI_REGISTER_PM1_ENABLE:
+
+        ACPI_REGISTER_INSERT_VALUE (RegisterValue, BitRegInfo->BitPosition,
+                BitRegInfo->AccessBitMask, Value);
+
+        Status = AcpiHwRegisterWrite (ACPI_MTX_DO_NOT_LOCK,
+                        ACPI_REGISTER_PM1_ENABLE, (UINT16) RegisterValue);
+        break;
+
+
+    case ACPI_REGISTER_PM1_CONTROL:
+
+        /*
+         * Read the PM1 Control register.
+         * Note that at this level, the fact that there are actually TWO
+         * registers (A and B - and that B may not exist) is abstracted.
+         */
+        ACPI_DEBUG_PRINT ((ACPI_DB_IO, "PM1 control: Read %X\n", RegisterValue));
+
+        ACPI_REGISTER_INSERT_VALUE (RegisterValue, BitRegInfo->BitPosition,
+                BitRegInfo->AccessBitMask, Value);
+
+        Status = AcpiHwRegisterWrite (ACPI_MTX_DO_NOT_LOCK, RegisterId,
+                (UINT16) RegisterValue);
+        break;
+
+
+    case ACPI_REGISTER_PM2_CONTROL:
+
+        Status = AcpiHwRegisterRead (ACPI_MTX_DO_NOT_LOCK,
+                    ACPI_REGISTER_PM2_CONTROL, &RegisterValue);
+        if (ACPI_FAILURE (Status))
+        {
+            goto UnlockAndExit;
+        }
+
+        ACPI_DEBUG_PRINT ((ACPI_DB_IO, "PM2 control: Read %X from %8.8X%8.8X\n",
+            RegisterValue,
+            ACPI_HIDWORD (ACPI_GET_ADDRESS (AcpiGbl_FADT->XPm2CntBlk.Address)),
+            ACPI_LODWORD (ACPI_GET_ADDRESS (AcpiGbl_FADT->XPm2CntBlk.Address))));
+
+        ACPI_REGISTER_INSERT_VALUE (RegisterValue, BitRegInfo->BitPosition,
+                BitRegInfo->AccessBitMask, Value);
+
+        ACPI_DEBUG_PRINT ((ACPI_DB_IO, "About to write %4.4X to %8.8X%8.8X\n",
+            RegisterValue,
+            ACPI_HIDWORD (ACPI_GET_ADDRESS (AcpiGbl_FADT->XPm2CntBlk.Address)),
+            ACPI_LODWORD (ACPI_GET_ADDRESS (AcpiGbl_FADT->XPm2CntBlk.Address))));
+
+        Status = AcpiHwRegisterWrite (ACPI_MTX_DO_NOT_LOCK,
+                            ACPI_REGISTER_PM2_CONTROL, (UINT8) (RegisterValue));
+        break;
+
+
+    default:
+        break;
+    }
+
+
+UnlockAndExit:
+
+    if (Flags & ACPI_MTX_LOCK)
+    {
+        (void) AcpiUtReleaseMutex (ACPI_MTX_HARDWARE);
+    }
+
+    /* Normalize the value that was read */
+
+    ACPI_DEBUG_EXEC (RegisterValue = ((RegisterValue & BitRegInfo->AccessBitMask) >> BitRegInfo->BitPosition));
+
+    ACPI_DEBUG_PRINT ((ACPI_DB_IO, "ACPI Register Write actual %X\n", RegisterValue));
+    return_ACPI_STATUS (Status);
+}
+
+
+/******************************************************************************
+ *
+ * FUNCTION:    AcpiHwRegisterRead
+ *
+ * PARAMETERS:  UseLock                - Mutex hw access.
+ *              RegisterId             - RegisterID + Offset.
+ *
+ * RETURN:      Value read or written.
+ *
+ * DESCRIPTION: Acpi register read function.  Registers are read at the
+ *              given offset.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiHwRegisterRead (
+    BOOLEAN                 UseLock,
+    UINT32                  RegisterId,
+    UINT32                  *ReturnValue)
+{
+    UINT32                  Value1 = 0;
+    UINT32                  Value2 = 0;
+    UINT32                  BankOffset;
+    ACPI_STATUS             Status;
+
+
+    ACPI_FUNCTION_TRACE ("HwRegisterRead");
+
+
+    if (ACPI_MTX_LOCK == UseLock)
+    {
+        Status = AcpiUtAcquireMutex (ACPI_MTX_HARDWARE);
+        if (ACPI_FAILURE (Status))
+        {
+            return_ACPI_STATUS (Status);
+        }
+    }
+
+    switch (RegisterId)
+    {
+    case ACPI_REGISTER_PM1_STATUS:           /* 16-bit access */
+
+        Status = AcpiHwLowLevelRead (16, &Value1, &AcpiGbl_FADT->XPm1aEvtBlk, 0);
+        if (ACPI_FAILURE (Status))
+        {
+            goto UnlockAndExit;
+        }
+
+        Status = AcpiHwLowLevelRead (16, &Value2, &AcpiGbl_FADT->XPm1bEvtBlk, 0);
+        Value1 |= Value2;
+        break;
+
+
+    case ACPI_REGISTER_PM1_ENABLE:           /* 16-bit access*/
+
+        BankOffset  = ACPI_DIV_2 (AcpiGbl_FADT->Pm1EvtLen);
+        Status = AcpiHwLowLevelRead (16, &Value1, &AcpiGbl_FADT->XPm1aEvtBlk, BankOffset);
+        if (ACPI_FAILURE (Status))
+        {
+            goto UnlockAndExit;
+        }
+
+        Status = AcpiHwLowLevelRead (16, &Value2, &AcpiGbl_FADT->XPm1bEvtBlk, BankOffset);
+        Value1 |= Value2;
+        break;
+
+
+    case ACPI_REGISTER_PM1_CONTROL:          /* 16-bit access */
+
+        Status = AcpiHwLowLevelRead (16, &Value1, &AcpiGbl_FADT->XPm1aCntBlk, 0);
+        if (ACPI_FAILURE (Status))
+        {
+            goto UnlockAndExit;
+        }
+
+        Status = AcpiHwLowLevelRead (16, &Value2, &AcpiGbl_FADT->XPm1bCntBlk, 0);
+        Value1 |= Value2;
+        break;
+
+
+    case ACPI_REGISTER_PM2_CONTROL:          /* 8-bit access */
+
+        Status = AcpiHwLowLevelRead (8, &Value1, &AcpiGbl_FADT->XPm2CntBlk, 0);
+        break;
+
+
+    case ACPI_REGISTER_PM_TIMER:             /* 32-bit access */
+
+        Status = AcpiHwLowLevelRead (32, &Value1, &AcpiGbl_FADT->XPmTmrBlk, 0);
+        break;
+
+    case ACPI_REGISTER_SMI_COMMAND_BLOCK:    /* 8-bit access */
+
+        Status = AcpiOsReadPort (AcpiGbl_FADT->SmiCmd, &Value1, 8);
+        break;
+
+    default:
+        ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Unknown Register ID: %X\n", RegisterId));
+        Status = AE_BAD_PARAMETER;
+        break;
+    }
+
+UnlockAndExit:
+    if (ACPI_MTX_LOCK == UseLock)
+    {
+        (void) AcpiUtReleaseMutex (ACPI_MTX_HARDWARE);
+    }
+
+    if (ACPI_SUCCESS (Status))
+    {
+        *ReturnValue = Value1;
+    }
+
+    return_ACPI_STATUS (Status);
+}
+
+
+/******************************************************************************
+ *
+ * FUNCTION:    AcpiHwRegisterWrite
+ *
+ * PARAMETERS:  UseLock                - Mutex hw access.
+ *              RegisterId             - RegisterID + Offset.
+ *
+ * RETURN:      Value read or written.
+ *
+ * DESCRIPTION: Acpi register Write function.  Registers are written at the
+ *              given offset.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiHwRegisterWrite (
+    BOOLEAN                 UseLock,
+    UINT32                  RegisterId,
+    UINT32                  Value)
+{
+    UINT32                  BankOffset;
+    ACPI_STATUS             Status;
+
+
+    ACPI_FUNCTION_TRACE ("HwRegisterWrite");
+
+
+    if (ACPI_MTX_LOCK == UseLock)
+    {
+        Status = AcpiUtAcquireMutex (ACPI_MTX_HARDWARE);
+        if (ACPI_FAILURE (Status))
+        {
+            return_ACPI_STATUS (Status);
+        }
+    }
+
+    switch (RegisterId)
+    {
+    case ACPI_REGISTER_PM1_STATUS:           /* 16-bit access */
+
+        Status = AcpiHwLowLevelWrite (16, Value, &AcpiGbl_FADT->XPm1aEvtBlk, 0);
+        if (ACPI_FAILURE (Status))
+        {
+            goto UnlockAndExit;
+        }
+
+        Status = AcpiHwLowLevelWrite (16, Value, &AcpiGbl_FADT->XPm1bEvtBlk, 0);
+        break;
+
+
+    case ACPI_REGISTER_PM1_ENABLE:           /* 16-bit access*/
+
+        BankOffset = ACPI_DIV_2 (AcpiGbl_FADT->Pm1EvtLen);
+        Status = AcpiHwLowLevelWrite (16, Value, &AcpiGbl_FADT->XPm1aEvtBlk, BankOffset);
+        if (ACPI_FAILURE (Status))
+        {
+            goto UnlockAndExit;
+        }
+
+        Status = AcpiHwLowLevelWrite (16, Value, &AcpiGbl_FADT->XPm1bEvtBlk, BankOffset);
+        break;
+
+
+    case ACPI_REGISTER_PM1_CONTROL:          /* 16-bit access */
+
+        Status = AcpiHwLowLevelWrite (16, Value, &AcpiGbl_FADT->XPm1aCntBlk, 0);
+        if (ACPI_FAILURE (Status))
+        {
+            goto UnlockAndExit;
+        }
+
+        Status = AcpiHwLowLevelWrite (16, Value, &AcpiGbl_FADT->XPm1bCntBlk, 0);
+        break;
+
+
+    case ACPI_REGISTER_PM1A_CONTROL:         /* 16-bit access */
+
+        Status = AcpiHwLowLevelWrite (16, Value, &AcpiGbl_FADT->XPm1aCntBlk, 0);
+        break;
+
+
+    case ACPI_REGISTER_PM1B_CONTROL:         /* 16-bit access */
+
+        Status = AcpiHwLowLevelWrite (16, Value, &AcpiGbl_FADT->XPm1bCntBlk, 0);
+        break;
+
+
+    case ACPI_REGISTER_PM2_CONTROL:          /* 8-bit access */
+
+        Status = AcpiHwLowLevelWrite (8, Value, &AcpiGbl_FADT->XPm2CntBlk, 0);
+        break;
+
+
+    case ACPI_REGISTER_PM_TIMER:             /* 32-bit access */
+
+        Status = AcpiHwLowLevelWrite (32, Value, &AcpiGbl_FADT->XPmTmrBlk, 0);
+        break;
+
+
+    case ACPI_REGISTER_SMI_COMMAND_BLOCK:    /* 8-bit access */
+
+        /* SMI_CMD is currently always in IO space */
+
+        Status = AcpiOsWritePort (AcpiGbl_FADT->SmiCmd, (ACPI_INTEGER) Value, 8);
+        break;
+
+
+    default:
+        Status = AE_BAD_PARAMETER;
+        break;
+    }
+
+UnlockAndExit:
+    if (ACPI_MTX_LOCK == UseLock)
+    {
+        (void) AcpiUtReleaseMutex (ACPI_MTX_HARDWARE);
+    }
+
+    return_ACPI_STATUS (Status);
+}
+
+
+/******************************************************************************
+ *
+ * FUNCTION:    AcpiHwLowLevelRead
+ *
+ * PARAMETERS:  Register            - GAS register structure
+ *              Offset              - Offset from the base address in the GAS
+ *              Width               - 8, 16, or 32
+ *
+ * RETURN:      Value read
+ *
+ * DESCRIPTION: Read from either memory, IO, or PCI config space.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiHwLowLevelRead (
+    UINT32                  Width,
+    UINT32                  *Value,
+    ACPI_GENERIC_ADDRESS    *Reg,
+    UINT32                  Offset)
+{
+    ACPI_PHYSICAL_ADDRESS   MemAddress;
+    ACPI_IO_ADDRESS         IoAddress;
+    ACPI_PCI_ID             PciId;
+    UINT16                  PciRegister;
+    ACPI_STATUS             Status;
+
+
+    ACPI_FUNCTION_NAME ("HwLowLevelRead");
+
+
+    /*
+     * Must have a valid pointer to a GAS structure, and
+     * a non-zero address within. However, don't return an error
+     * because the PM1A/B code must not fail if B isn't present.
+     */
+    if ((!Reg) ||
+        (!ACPI_VALID_ADDRESS (Reg->Address)))
+    {
+        return (AE_OK);
+    }
+    *Value = 0;
+
+    /*
+     * Three address spaces supported:
+     * Memory, Io, or PCI config.
+     */
+    switch (Reg->AddressSpaceId)
+    {
+    case ACPI_ADR_SPACE_SYSTEM_MEMORY:
+
+        MemAddress = (ACPI_GET_ADDRESS (Reg->Address)
+                        + (ACPI_PHYSICAL_ADDRESS) Offset);
+
+        Status = AcpiOsReadMemory (MemAddress, Value, Width);
+        break;
+
+
+    case ACPI_ADR_SPACE_SYSTEM_IO:
+
+        IoAddress = (ACPI_IO_ADDRESS) (ACPI_GET_ADDRESS (Reg->Address)
+                                        + (ACPI_PHYSICAL_ADDRESS) Offset);
+
+        Status = AcpiOsReadPort (IoAddress, Value, Width);
+        break;
+
+
+    case ACPI_ADR_SPACE_PCI_CONFIG:
+
+        PciId.Segment  = 0;
+        PciId.Bus      = 0;
+        PciId.Device   = ACPI_PCI_DEVICE (ACPI_GET_ADDRESS (Reg->Address));
+        PciId.Function = ACPI_PCI_FUNCTION (ACPI_GET_ADDRESS (Reg->Address));
+        PciRegister    = (UINT16) (ACPI_PCI_REGISTER (ACPI_GET_ADDRESS (Reg->Address))
+                                    + Offset);
+
+        Status = AcpiOsReadPciConfiguration  (&PciId, PciRegister, Value, Width);
+        break;
+
+
+    default:
+        ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Unsupported address space: %X\n", Reg->AddressSpaceId));
+        Status = AE_BAD_PARAMETER;
+        break;
+    }
+
+    return (Status);
+}
+
+
+/******************************************************************************
+ *
+ * FUNCTION:    AcpiHwLowLevelWrite
+ *
+ * PARAMETERS:  Width               - 8, 16, or 32
+ *              Value               - To be written
+ *              Register            - GAS register structure
+ *              Offset              - Offset from the base address in the GAS
+ *
+ *
+ * RETURN:      Value read
+ *
+ * DESCRIPTION: Read from either memory, IO, or PCI config space.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiHwLowLevelWrite (
+    UINT32                  Width,
+    UINT32                  Value,
+    ACPI_GENERIC_ADDRESS    *Reg,
+    UINT32                  Offset)
+{
+    ACPI_PHYSICAL_ADDRESS   MemAddress;
+    ACPI_IO_ADDRESS         IoAddress;
+    ACPI_PCI_ID             PciId;
+    UINT16                  PciRegister;
+    ACPI_STATUS             Status;
+
+
+    ACPI_FUNCTION_NAME ("HwLowLevelWrite");
+
+
+    /*
+     * Must have a valid pointer to a GAS structure, and
+     * a non-zero address within. However, don't return an error
+     * because the PM1A/B code must not fail if B isn't present.
+     */
+    if ((!Reg) ||
+        (!ACPI_VALID_ADDRESS (Reg->Address)))
+    {
+        return (AE_OK);
+    }
+    /*
+     * Three address spaces supported:
+     * Memory, Io, or PCI config.
+     */
+    switch (Reg->AddressSpaceId)
+    {
+    case ACPI_ADR_SPACE_SYSTEM_MEMORY:
+
+        MemAddress = (ACPI_GET_ADDRESS (Reg->Address)
+                        + (ACPI_PHYSICAL_ADDRESS) Offset);
+
+        Status = AcpiOsWriteMemory (MemAddress, (ACPI_INTEGER) Value, Width);
+        break;
+
+
+    case ACPI_ADR_SPACE_SYSTEM_IO:
+
+        IoAddress = (ACPI_IO_ADDRESS) (ACPI_GET_ADDRESS (Reg->Address)
+                                        + (ACPI_PHYSICAL_ADDRESS) Offset);
+
+        Status = AcpiOsWritePort (IoAddress, (ACPI_INTEGER) Value, Width);
+        break;
+
+
+    case ACPI_ADR_SPACE_PCI_CONFIG:
+
+        PciId.Segment  = 0;
+        PciId.Bus      = 0;
+        PciId.Device   = ACPI_PCI_DEVICE (ACPI_GET_ADDRESS (Reg->Address));
+        PciId.Function = ACPI_PCI_FUNCTION (ACPI_GET_ADDRESS (Reg->Address));
+        PciRegister    = (UINT16) (ACPI_PCI_REGISTER (ACPI_GET_ADDRESS (Reg->Address))
+                                    + Offset);
+
+        Status = AcpiOsWritePciConfiguration (&PciId, PciRegister, (ACPI_INTEGER) Value, Width);
+        break;
+
+
+    default:
+        ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Unsupported address space: %X\n", Reg->AddressSpaceId));
+        Status = AE_BAD_PARAMETER;
+        break;
+    }
+
+    return (Status);
+}
diff --git a/sys/contrib/dev/acpica/hwsleep.c b/sys/contrib/dev/acpica/hwsleep.c
new file mode 100644
index 0000000..dd085b9
--- /dev/null
+++ b/sys/contrib/dev/acpica/hwsleep.c
@@ -0,0 +1,506 @@
+
+/******************************************************************************
+ *
+ * Name: hwsleep.c - ACPI Hardware Sleep/Wake Interface
+ *              $Revision: 47 $
+ *
+ *****************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+#include "acpi.h"
+
+#define _COMPONENT          ACPI_HARDWARE
+        ACPI_MODULE_NAME    ("hwsleep")
+
+
+/******************************************************************************
+ *
+ * FUNCTION:    AcpiSetFirmwareWakingVector
+ *
+ * PARAMETERS:  PhysicalAddress     - Physical address of ACPI real mode
+ *                                    entry point.
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Access function for dFirmwareWakingVector field in FACS
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiSetFirmwareWakingVector (
+    ACPI_PHYSICAL_ADDRESS PhysicalAddress)
+{
+
+    ACPI_FUNCTION_TRACE ("AcpiSetFirmwareWakingVector");
+
+
+    /* Set the vector */
+
+    if (AcpiGbl_CommonFACS.VectorWidth == 32)
+    {
+        *(ACPI_CAST_PTR (UINT32, AcpiGbl_CommonFACS.FirmwareWakingVector))
+                = (UINT32) PhysicalAddress;
+    }
+    else
+    {
+        *AcpiGbl_CommonFACS.FirmwareWakingVector
+                = PhysicalAddress;
+    }
+
+    return_ACPI_STATUS (AE_OK);
+}
+
+
+/******************************************************************************
+ *
+ * FUNCTION:    AcpiGetFirmwareWakingVector
+ *
+ * PARAMETERS:  *PhysicalAddress    - Output buffer where contents of
+ *                                    the FirmwareWakingVector field of
+ *                                    the FACS will be stored.
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Access function for FirmwareWakingVector field in FACS
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiGetFirmwareWakingVector (
+    ACPI_PHYSICAL_ADDRESS *PhysicalAddress)
+{
+
+    ACPI_FUNCTION_TRACE ("AcpiGetFirmwareWakingVector");
+
+
+    if (!PhysicalAddress)
+    {
+        return_ACPI_STATUS (AE_BAD_PARAMETER);
+    }
+
+    /* Get the vector */
+
+    if (AcpiGbl_CommonFACS.VectorWidth == 32)
+    {
+        *PhysicalAddress = (ACPI_PHYSICAL_ADDRESS)
+            *(ACPI_CAST_PTR (UINT32, AcpiGbl_CommonFACS.FirmwareWakingVector));
+    }
+    else
+    {
+        *PhysicalAddress =
+            *AcpiGbl_CommonFACS.FirmwareWakingVector;
+    }
+
+    return_ACPI_STATUS (AE_OK);
+}
+
+
+/******************************************************************************
+ *
+ * FUNCTION:    AcpiEnterSleepStatePrep
+ *
+ * PARAMETERS:  SleepState          - Which sleep state to enter
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Prepare to enter a system sleep state (see ACPI 2.0 spec p 231)
+ *              This function must execute with interrupts enabled.
+ *              We break sleeping into 2 stages so that OSPM can handle
+ *              various OS-specific tasks between the two steps.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiEnterSleepStatePrep (
+    UINT8               SleepState)
+{
+    ACPI_STATUS         Status;
+    ACPI_OBJECT_LIST    ArgList;
+    ACPI_OBJECT         Arg;
+
+
+    ACPI_FUNCTION_TRACE ("AcpiEnterSleepStatePrep");
+
+
+    /*
+     * _PSW methods could be run here to enable wake-on keyboard, LAN, etc.
+     */
+    Status = AcpiGetSleepTypeData (SleepState,
+                    &AcpiGbl_SleepTypeA, &AcpiGbl_SleepTypeB);
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    /* Setup parameter object */
+
+    ArgList.Count = 1;
+    ArgList.Pointer = &Arg;
+
+    Arg.Type = ACPI_TYPE_INTEGER;
+    Arg.Integer.Value = SleepState;
+
+    /* Run the _PTS and _GTS methods */
+
+    Status = AcpiEvaluateObject (NULL, "\\_PTS", &ArgList, NULL);
+    if (ACPI_FAILURE (Status) && Status != AE_NOT_FOUND)
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    Status = AcpiEvaluateObject (NULL, "\\_GTS", &ArgList, NULL);
+    if (ACPI_FAILURE (Status) && Status != AE_NOT_FOUND)
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    return_ACPI_STATUS (AE_OK);
+}
+
+
+/******************************************************************************
+ *
+ * FUNCTION:    AcpiEnterSleepState
+ *
+ * PARAMETERS:  SleepState          - Which sleep state to enter
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Enter a system sleep state (see ACPI 2.0 spec p 231)
+ *              THIS FUNCTION MUST BE CALLED WITH INTERRUPTS DISABLED
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiEnterSleepState (
+    UINT8                   SleepState)
+{
+    UINT32                  PM1AControl;
+    UINT32                  PM1BControl;
+    ACPI_BIT_REGISTER_INFO  *SleepTypeRegInfo;
+    ACPI_BIT_REGISTER_INFO  *SleepEnableRegInfo;
+    UINT32                  InValue;
+    UINT32                  Retry;
+    ACPI_STATUS             Status;
+
+
+    ACPI_FUNCTION_TRACE ("AcpiEnterSleepState");
+
+
+    if ((AcpiGbl_SleepTypeA > ACPI_SLEEP_TYPE_MAX) ||
+        (AcpiGbl_SleepTypeB > ACPI_SLEEP_TYPE_MAX))
+    {
+        ACPI_REPORT_ERROR (("Sleep values out of range: A=%X B=%X\n",
+            AcpiGbl_SleepTypeA, AcpiGbl_SleepTypeB));
+        return_ACPI_STATUS (AE_AML_OPERAND_VALUE);
+    }
+
+
+    SleepTypeRegInfo   = AcpiHwGetBitRegisterInfo (ACPI_BITREG_SLEEP_TYPE_A);
+    SleepEnableRegInfo = AcpiHwGetBitRegisterInfo (ACPI_BITREG_SLEEP_ENABLE);
+
+    /* Clear wake status */
+
+    Status = AcpiSetRegister (ACPI_BITREG_WAKE_STATUS, 1, ACPI_MTX_LOCK);
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    Status = AcpiHwClearAcpiStatus();
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    /* Disable BM arbitration */
+
+    Status = AcpiSetRegister (ACPI_BITREG_ARB_DISABLE, 1, ACPI_MTX_LOCK);
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    Status = AcpiHwDisableNonWakeupGpes();
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    /* Get current value of PM1A control */
+
+    Status = AcpiHwRegisterRead (ACPI_MTX_LOCK, ACPI_REGISTER_PM1_CONTROL, &PM1AControl);
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+    ACPI_DEBUG_PRINT ((ACPI_DB_OK, "Entering S%d\n", SleepState));
+
+    /* Clear SLP_EN and SLP_TYP fields */
+
+    PM1AControl &= ~(SleepTypeRegInfo->AccessBitMask | SleepEnableRegInfo->AccessBitMask);
+    PM1BControl = PM1AControl;
+
+    /* Insert SLP_TYP bits */
+
+    PM1AControl |= (AcpiGbl_SleepTypeA << SleepTypeRegInfo->BitPosition);
+    PM1BControl |= (AcpiGbl_SleepTypeB << SleepTypeRegInfo->BitPosition);
+
+    /* Write #1: fill in SLP_TYP data */
+
+    Status = AcpiHwRegisterWrite (ACPI_MTX_LOCK, ACPI_REGISTER_PM1A_CONTROL, PM1AControl);
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    Status = AcpiHwRegisterWrite (ACPI_MTX_LOCK, ACPI_REGISTER_PM1B_CONTROL, PM1BControl);
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    /* Insert SLP_ENABLE bit */
+
+    PM1AControl |= SleepEnableRegInfo->AccessBitMask;
+    PM1BControl |= SleepEnableRegInfo->AccessBitMask;
+
+    /* Write #2: SLP_TYP + SLP_EN */
+
+    ACPI_FLUSH_CPU_CACHE ();
+
+    Status = AcpiHwRegisterWrite (ACPI_MTX_LOCK, ACPI_REGISTER_PM1A_CONTROL, PM1AControl);
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    Status = AcpiHwRegisterWrite (ACPI_MTX_LOCK, ACPI_REGISTER_PM1B_CONTROL, PM1BControl);
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    /*
+     * Wait a second, then try again. This is to get S4/5 to work on all machines.
+     */
+    if (SleepState > ACPI_STATE_S3)
+    {
+        /*
+         * We wait so long to allow chipsets that poll this reg very slowly to
+         * still read the right value. Ideally, this entire block would go
+         * away entirely.
+         */
+        AcpiOsStall (10000000);
+
+        Status = AcpiHwRegisterWrite (ACPI_MTX_LOCK, ACPI_REGISTER_PM1_CONTROL,
+                    SleepEnableRegInfo->AccessBitMask);
+        if (ACPI_FAILURE (Status))
+        {
+            return_ACPI_STATUS (Status);
+        }
+    }
+
+    /* Wait until we enter sleep state */
+
+    Retry = 1000;
+    do
+    {
+        Status = AcpiGetRegister (ACPI_BITREG_WAKE_STATUS, &InValue, ACPI_MTX_LOCK);
+        if (ACPI_FAILURE (Status))
+        {
+            return_ACPI_STATUS (Status);
+        }
+
+        /*
+         * Some BIOSes don't set WAK_STS at all,
+         * give up waiting for wakeup if we time out.
+         */
+        if (Retry-- == 0) {
+            break;             /* giving up */
+        }
+
+        /* Spin until we wake */
+
+    } while (!InValue);
+
+    Status = AcpiSetRegister (ACPI_BITREG_ARB_DISABLE, 0, ACPI_MTX_LOCK);
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    return_ACPI_STATUS (AE_OK);
+}
+
+/******************************************************************************
+ *
+ * FUNCTION:    AcpiLeaveSleepState
+ *
+ * PARAMETERS:  SleepState          - Which sleep state we just exited
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Perform OS-independent ACPI cleanup after a sleep
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiLeaveSleepState (
+    UINT8               SleepState)
+{
+    ACPI_OBJECT_LIST    ArgList;
+    ACPI_OBJECT         Arg;
+    ACPI_STATUS         Status;
+
+
+    ACPI_FUNCTION_TRACE ("AcpiLeaveSleepState");
+
+
+    /* Ensure EnterSleepStatePrep -> EnterSleepState ordering */
+
+    AcpiGbl_SleepTypeA = ACPI_SLEEP_TYPE_INVALID;
+
+    /* Setup parameter object */
+
+    ArgList.Count = 1;
+    ArgList.Pointer = &Arg;
+
+    Arg.Type = ACPI_TYPE_INTEGER;
+    Arg.Integer.Value = SleepState;
+
+    /* Ignore any errors from these methods */
+
+    Status = AcpiEvaluateObject (NULL, "\\_BFS", &ArgList, NULL);
+    if (ACPI_FAILURE (Status) && Status != AE_NOT_FOUND)
+    {
+        ACPI_REPORT_ERROR (("Method _BFS failed, %s\n", AcpiFormatException (Status)));
+    }
+
+    Status = AcpiEvaluateObject (NULL, "\\_WAK", &ArgList, NULL);
+    if (ACPI_FAILURE (Status) && Status != AE_NOT_FOUND)
+    {
+        ACPI_REPORT_ERROR (("Method _WAK failed, %s\n", AcpiFormatException (Status)));
+    }
+
+    /* _WAK returns stuff - do we want to look at it? */
+
+    Status = AcpiHwEnableNonWakeupGpes();
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    /* Disable BM arbitration */
+    Status = AcpiSetRegister (ACPI_BITREG_ARB_DISABLE, 0, ACPI_MTX_LOCK);
+
+    return_ACPI_STATUS (Status);
+}
diff --git a/sys/contrib/dev/acpica/hwtimer.c b/sys/contrib/dev/acpica/hwtimer.c
new file mode 100644
index 0000000..d7fe8e1
--- /dev/null
+++ b/sys/contrib/dev/acpica/hwtimer.c
@@ -0,0 +1,287 @@
+
+/******************************************************************************
+ *
+ * Name: hwtimer.c - ACPI Power Management Timer Interface
+ *              $Revision: 21 $
+ *
+ *****************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+#include "acpi.h"
+
+#define _COMPONENT          ACPI_HARDWARE
+        ACPI_MODULE_NAME    ("hwtimer")
+
+
+/******************************************************************************
+ *
+ * FUNCTION:    AcpiGetTimerResolution
+ *
+ * PARAMETERS:  none
+ *
+ * RETURN:      Number of bits of resolution in the PM Timer (24 or 32).
+ *
+ * DESCRIPTION: Obtains resolution of the ACPI PM Timer.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiGetTimerResolution (
+    UINT32                  *Resolution)
+{
+    ACPI_FUNCTION_TRACE ("AcpiGetTimerResolution");
+
+
+    if (!Resolution)
+    {
+        return_ACPI_STATUS (AE_BAD_PARAMETER);
+    }
+
+    if (0 == AcpiGbl_FADT->TmrValExt)
+    {
+        *Resolution = 24;
+    }
+    else
+    {
+        *Resolution = 32;
+    }
+
+    return_ACPI_STATUS (AE_OK);
+}
+
+
+/******************************************************************************
+ *
+ * FUNCTION:    AcpiGetTimer
+ *
+ * PARAMETERS:  none
+ *
+ * RETURN:      Current value of the ACPI PM Timer (in ticks).
+ *
+ * DESCRIPTION: Obtains current value of ACPI PM Timer.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiGetTimer (
+    UINT32                  *Ticks)
+{
+    ACPI_STATUS             Status;
+
+
+    ACPI_FUNCTION_TRACE ("AcpiGetTimer");
+
+
+    if (!Ticks)
+    {
+        return_ACPI_STATUS (AE_BAD_PARAMETER);
+    }
+
+    Status = AcpiHwLowLevelRead (32, Ticks, &AcpiGbl_FADT->XPmTmrBlk, 0);
+
+    return_ACPI_STATUS (Status);
+}
+
+
+/******************************************************************************
+ *
+ * FUNCTION:    AcpiGetTimerDuration
+ *
+ * PARAMETERS:  StartTicks
+ *              EndTicks
+ *              TimeElapsed
+ *
+ * RETURN:      TimeElapsed
+ *
+ * DESCRIPTION: Computes the time elapsed (in microseconds) between two
+ *              PM Timer time stamps, taking into account the possibility of
+ *              rollovers, the timer resolution, and timer frequency.
+ *
+ *              The PM Timer's clock ticks at roughly 3.6 times per
+ *              _microsecond_, and its clock continues through Cx state
+ *              transitions (unlike many CPU timestamp counters) -- making it
+ *              a versatile and accurate timer.
+ *
+ *              Note that this function accomodates only a single timer
+ *              rollover.  Thus for 24-bit timers, this function should only
+ *              be used for calculating durations less than ~4.6 seconds
+ *              (~20 hours for 32-bit timers).
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiGetTimerDuration (
+    UINT32                  StartTicks,
+    UINT32                  EndTicks,
+    UINT32                  *TimeElapsed)
+{
+    UINT32                  DeltaTicks = 0;
+    UINT64_OVERLAY          NormalizedTicks;
+    ACPI_STATUS             Status;
+    ACPI_INTEGER            OutQuotient;
+
+
+    ACPI_FUNCTION_TRACE ("AcpiGetTimerDuration");
+
+
+    if (!TimeElapsed)
+    {
+        return_ACPI_STATUS (AE_BAD_PARAMETER);
+    }
+
+    /*
+     * Compute Tick Delta:
+     * -------------------
+     * Handle (max one) timer rollovers on 24- versus 32-bit timers.
+     */
+    if (StartTicks < EndTicks)
+    {
+        DeltaTicks = EndTicks - StartTicks;
+    }
+    else if (StartTicks > EndTicks)
+    {
+        if (0 == AcpiGbl_FADT->TmrValExt)
+        {
+            /* 24-bit Timer */
+
+            DeltaTicks = (((0x00FFFFFF - StartTicks) + EndTicks) & 0x00FFFFFF);
+        }
+        else
+        {
+            /* 32-bit Timer */
+
+            DeltaTicks = (0xFFFFFFFF - StartTicks) + EndTicks;
+        }
+    }
+    else
+    {
+        *TimeElapsed = 0;
+        return_ACPI_STATUS (AE_OK);
+    }
+
+    /*
+     * Compute Duration:
+     * -----------------
+     *
+     * Requires a 64-bit divide:
+     *
+     * TimeElapsed = (DeltaTicks * 1000000) / PM_TIMER_FREQUENCY;
+     */
+    NormalizedTicks.Full = ((UINT64) DeltaTicks) * 1000000;
+
+    Status = AcpiUtShortDivide (&NormalizedTicks.Full, PM_TIMER_FREQUENCY,
+                                    &OutQuotient, NULL);
+
+    *TimeElapsed = (UINT32) OutQuotient;
+    return_ACPI_STATUS (Status);
+}
+
+
diff --git a/sys/contrib/dev/acpica/nsaccess.c b/sys/contrib/dev/acpica/nsaccess.c
new file mode 100644
index 0000000..51e89ea
--- /dev/null
+++ b/sys/contrib/dev/acpica/nsaccess.c
@@ -0,0 +1,710 @@
+/*******************************************************************************
+ *
+ * Module Name: nsaccess - Top-level functions for accessing ACPI namespace
+ *              $Revision: 165 $
+ *
+ ******************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+#define __NSACCESS_C__
+
+#include "acpi.h"
+#include "amlcode.h"
+#include "acnamesp.h"
+#include "acdispat.h"
+
+
+#define _COMPONENT          ACPI_NAMESPACE
+        ACPI_MODULE_NAME    ("nsaccess")
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiNsRootInitialize
+ *
+ * PARAMETERS:  None
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Allocate and initialize the default root named objects
+ *
+ * MUTEX:       Locks namespace for entire execution
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiNsRootInitialize (void)
+{
+    ACPI_STATUS                 Status;
+    const ACPI_PREDEFINED_NAMES *InitVal = NULL;
+    ACPI_NAMESPACE_NODE         *NewNode;
+    ACPI_OPERAND_OBJECT         *ObjDesc;
+
+
+    ACPI_FUNCTION_TRACE ("NsRootInitialize");
+
+
+    Status = AcpiUtAcquireMutex (ACPI_MTX_NAMESPACE);
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    /*
+     * The global root ptr is initially NULL, so a non-NULL value indicates
+     * that AcpiNsRootInitialize() has already been called; just return.
+     */
+    if (AcpiGbl_RootNode)
+    {
+        Status = AE_OK;
+        goto UnlockAndExit;
+    }
+
+    /*
+     * Tell the rest of the subsystem that the root is initialized
+     * (This is OK because the namespace is locked)
+     */
+    AcpiGbl_RootNode = &AcpiGbl_RootNodeStruct;
+
+    /* Enter the pre-defined names in the name table */
+
+    ACPI_DEBUG_PRINT ((ACPI_DB_INFO,
+        "Entering predefined entries into namespace\n"));
+
+    for (InitVal = AcpiGbl_PreDefinedNames; InitVal->Name; InitVal++)
+    {
+        Status = AcpiNsLookup (NULL, InitVal->Name, InitVal->Type,
+                        ACPI_IMODE_LOAD_PASS2, ACPI_NS_NO_UPSEARCH, NULL, &NewNode);
+
+        if (ACPI_FAILURE (Status) || (!NewNode)) /* Must be on same line for code converter */
+        {
+            ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+                "Could not create predefined name %s, %s\n",
+                InitVal->Name, AcpiFormatException (Status)));
+        }
+
+        /*
+         * Name entered successfully.
+         * If entry in PreDefinedNames[] specifies an
+         * initial value, create the initial value.
+         */
+        if (InitVal->Val)
+        {
+            /*
+             * Entry requests an initial value, allocate a
+             * descriptor for it.
+             */
+            ObjDesc = AcpiUtCreateInternalObject (InitVal->Type);
+            if (!ObjDesc)
+            {
+                Status = AE_NO_MEMORY;
+                goto UnlockAndExit;
+            }
+
+            /*
+             * Convert value string from table entry to
+             * internal representation. Only types actually
+             * used for initial values are implemented here.
+             */
+            switch (InitVal->Type)
+            {
+            case ACPI_TYPE_METHOD:
+                ObjDesc->Method.ParamCount =
+                        (UINT8) ACPI_STRTOUL (InitVal->Val, NULL, 10);
+                ObjDesc->Common.Flags |= AOPOBJ_DATA_VALID;
+
+#if defined (ACPI_NO_METHOD_EXECUTION) || defined (ACPI_CONSTANT_EVAL_ONLY)
+
+                /* Compiler cheats by putting parameter count in the OwnerID */
+
+                NewNode->OwnerId = ObjDesc->Method.ParamCount;
+#endif
+                break;
+
+            case ACPI_TYPE_INTEGER:
+
+                ObjDesc->Integer.Value =
+                        (ACPI_INTEGER) ACPI_STRTOUL (InitVal->Val, NULL, 10);
+                break;
+
+
+            case ACPI_TYPE_STRING:
+
+                /*
+                 * Build an object around the static string
+                 */
+                ObjDesc->String.Length = (UINT32) ACPI_STRLEN (InitVal->Val);
+                ObjDesc->String.Pointer = InitVal->Val;
+                ObjDesc->Common.Flags |= AOPOBJ_STATIC_POINTER;
+                break;
+
+
+            case ACPI_TYPE_MUTEX:
+
+                ObjDesc->Mutex.Node = NewNode;
+                ObjDesc->Mutex.SyncLevel =
+                            (UINT16) ACPI_STRTOUL (InitVal->Val, NULL, 10);
+
+                if (ACPI_STRCMP (InitVal->Name, "_GL_") == 0)
+                {
+                    /*
+                     * Create a counting semaphore for the
+                     * global lock
+                     */
+                    Status = AcpiOsCreateSemaphore (ACPI_NO_UNIT_LIMIT,
+                                            1, &ObjDesc->Mutex.Semaphore);
+                    if (ACPI_FAILURE (Status))
+                    {
+                        goto UnlockAndExit;
+                    }
+
+                    /*
+                     * We just created the mutex for the
+                     * global lock, save it
+                     */
+                    AcpiGbl_GlobalLockSemaphore = ObjDesc->Mutex.Semaphore;
+                }
+                else
+                {
+                    /* Create a mutex */
+
+                    Status = AcpiOsCreateSemaphore (1, 1,
+                                        &ObjDesc->Mutex.Semaphore);
+                    if (ACPI_FAILURE (Status))
+                    {
+                        goto UnlockAndExit;
+                    }
+                }
+                break;
+
+
+            default:
+                ACPI_REPORT_ERROR (("Unsupported initial type value %X\n",
+                    InitVal->Type));
+                AcpiUtRemoveReference (ObjDesc);
+                ObjDesc = NULL;
+                continue;
+            }
+
+            /* Store pointer to value descriptor in the Node */
+
+            Status = AcpiNsAttachObject (NewNode, ObjDesc, ACPI_GET_OBJECT_TYPE (ObjDesc));
+
+            /* Remove local reference to the object */
+
+            AcpiUtRemoveReference (ObjDesc);
+        }
+    }
+
+
+UnlockAndExit:
+    (void) AcpiUtReleaseMutex (ACPI_MTX_NAMESPACE);
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiNsLookup
+ *
+ * PARAMETERS:  PrefixNode      - Search scope if name is not fully qualified
+ *              Pathname        - Search pathname, in internal format
+ *                                (as represented in the AML stream)
+ *              Type            - Type associated with name
+ *              InterpreterMode - IMODE_LOAD_PASS2 => add name if not found
+ *              Flags           - Flags describing the search restrictions
+ *              WalkState       - Current state of the walk
+ *              ReturnNode      - Where the Node is placed (if found
+ *                                or created successfully)
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Find or enter the passed name in the name space.
+ *              Log an error if name not found in Exec mode.
+ *
+ * MUTEX:       Assumes namespace is locked.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiNsLookup (
+    ACPI_GENERIC_STATE      *ScopeInfo,
+    NATIVE_CHAR             *Pathname,
+    ACPI_OBJECT_TYPE        Type,
+    ACPI_INTERPRETER_MODE   InterpreterMode,
+    UINT32                  Flags,
+    ACPI_WALK_STATE         *WalkState,
+    ACPI_NAMESPACE_NODE     **ReturnNode)
+{
+    ACPI_STATUS             Status;
+    NATIVE_CHAR             *Path = Pathname;
+    ACPI_NAMESPACE_NODE     *PrefixNode;
+    ACPI_NAMESPACE_NODE     *CurrentNode = NULL;
+    ACPI_NAMESPACE_NODE     *ThisNode = NULL;
+    UINT32                  NumSegments;
+    UINT32                  NumCarats;
+    ACPI_NAME               SimpleName;
+    ACPI_OBJECT_TYPE        TypeToCheckFor;
+    ACPI_OBJECT_TYPE        ThisSearchType;
+    UINT32                  SearchParentFlag = ACPI_NS_SEARCH_PARENT;
+    UINT32                  LocalFlags = Flags & ~(ACPI_NS_ERROR_IF_FOUND | 
+                                                   ACPI_NS_SEARCH_PARENT);
+
+
+    ACPI_FUNCTION_TRACE ("NsLookup");
+
+
+    if (!ReturnNode)
+    {
+        return_ACPI_STATUS (AE_BAD_PARAMETER);
+    }
+
+    AcpiGbl_NsLookupCount++;
+    *ReturnNode = ACPI_ENTRY_NOT_FOUND;
+
+    if (!AcpiGbl_RootNode)
+    {
+        return_ACPI_STATUS (AE_NO_NAMESPACE);
+    }
+
+    /*
+     * Get the prefix scope.
+     * A null scope means use the root scope
+     */
+    if ((!ScopeInfo) ||
+        (!ScopeInfo->Scope.Node))
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_NAMES,
+            "Null scope prefix, using root node (%p)\n",
+            AcpiGbl_RootNode));
+
+        PrefixNode = AcpiGbl_RootNode;
+    }
+    else
+    {
+        PrefixNode = ScopeInfo->Scope.Node;
+        if (ACPI_GET_DESCRIPTOR_TYPE (PrefixNode) != ACPI_DESC_TYPE_NAMED)
+        {
+            ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "[%p] Not a namespace node\n", 
+                PrefixNode));
+            return_ACPI_STATUS (AE_AML_INTERNAL);
+        }
+
+        /*
+         * This node might not be a actual "scope" node (such as a 
+         * Device/Method, etc.)  It could be a Package or other object node.  
+         * Backup up the tree to find the containing scope node.
+         */
+        while (!AcpiNsOpensScope (PrefixNode->Type) && 
+                PrefixNode->Type != ACPI_TYPE_ANY)
+        {
+            PrefixNode = AcpiNsGetParentNode (PrefixNode);
+        }
+    }
+
+    /* Save type   TBD: may be no longer necessary */
+
+    TypeToCheckFor = Type;
+
+    /*
+     * Begin examination of the actual pathname
+     */
+    if (!Pathname)
+    {
+        /* A Null NamePath is allowed and refers to the root */
+
+        NumSegments  = 0;
+        ThisNode     = AcpiGbl_RootNode;
+        Path     = "";
+
+        ACPI_DEBUG_PRINT ((ACPI_DB_NAMES,
+            "Null Pathname (Zero segments), Flags=%X\n", Flags));
+    }
+    else
+    {
+        /*
+         * Name pointer is valid (and must be in internal name format)
+         *
+         * Check for scope prefixes:
+         *
+         * As represented in the AML stream, a namepath consists of an
+         * optional scope prefix followed by a name segment part.
+         *
+         * If present, the scope prefix is either a Root Prefix (in
+         * which case the name is fully qualified), or one or more
+         * Parent Prefixes (in which case the name's scope is relative
+         * to the current scope).
+         */
+        if (*Path == (UINT8) AML_ROOT_PREFIX)
+        {
+            /* Pathname is fully qualified, start from the root */
+
+            ThisNode = AcpiGbl_RootNode;
+            SearchParentFlag = ACPI_NS_NO_UPSEARCH;
+
+            /* Point to name segment part */
+
+            Path++;
+
+            ACPI_DEBUG_PRINT ((ACPI_DB_NAMES, 
+                "Path is absolute from root [%p]\n", ThisNode));
+        }
+        else
+        {
+            /* Pathname is relative to current scope, start there */
+
+            ACPI_DEBUG_PRINT ((ACPI_DB_NAMES,
+                "Searching relative to prefix scope [%4.4s] (%p)\n",
+                PrefixNode->Name.Ascii, PrefixNode));
+
+            /*
+             * Handle multiple Parent Prefixes (carat) by just getting
+             * the parent node for each prefix instance.
+             */
+            ThisNode = PrefixNode;
+            NumCarats = 0;
+            while (*Path == (UINT8) AML_PARENT_PREFIX)
+            {
+                /* Name is fully qualified, no search rules apply */
+
+                SearchParentFlag = ACPI_NS_NO_UPSEARCH;
+                /*
+                 * Point past this prefix to the name segment
+                 * part or the next Parent Prefix
+                 */
+                Path++;
+
+                /* Backup to the parent node */
+
+                NumCarats++;
+                ThisNode = AcpiNsGetParentNode (ThisNode);
+                if (!ThisNode)
+                {
+                    /* Current scope has no parent scope */
+
+                    ACPI_REPORT_ERROR (
+                        ("ACPI path has too many parent prefixes (^) - reached beyond root node\n"));
+                    return_ACPI_STATUS (AE_NOT_FOUND);
+                }
+            }
+
+            if (SearchParentFlag == ACPI_NS_NO_UPSEARCH)
+            {
+                ACPI_DEBUG_PRINT ((ACPI_DB_NAMES,
+                    "Search scope is [%4.4s], path has %d carat(s)\n", 
+                    ThisNode->Name.Ascii, NumCarats));
+            }
+        }
+
+        /*
+         * Determine the number of ACPI name segments in this pathname.
+         *
+         * The segment part consists of either:
+         *  - A Null name segment (0)
+         *  - A DualNamePrefix followed by two 4-byte name segments
+         *  - A MultiNamePrefix followed by a byte indicating the
+         *      number of segments and the segments themselves.
+         *  - A single 4-byte name segment
+         *
+         * Examine the name prefix opcode, if any, to determine the number of
+         * segments.
+         */
+        switch (*Path)
+        {
+        case 0:
+            /*
+             * Null name after a root or parent prefixes. We already
+             * have the correct target node and there are no name segments.
+             */
+            NumSegments  = 0;
+            Type = ThisNode->Type;
+
+            ACPI_DEBUG_PRINT ((ACPI_DB_NAMES,
+                "Prefix-only Pathname (Zero name segments), Flags=%X\n", Flags));
+            break;
+
+        case AML_DUAL_NAME_PREFIX:
+
+            /* More than one NameSeg, search rules do not apply */
+
+            SearchParentFlag = ACPI_NS_NO_UPSEARCH;
+
+            /* Two segments, point to first name segment */
+
+            NumSegments = 2;
+            Path++;
+
+            ACPI_DEBUG_PRINT ((ACPI_DB_NAMES,
+                "Dual Pathname (2 segments, Flags=%X)\n", Flags));
+            break;
+
+        case AML_MULTI_NAME_PREFIX_OP:
+
+            /* More than one NameSeg, search rules do not apply */
+
+            SearchParentFlag = ACPI_NS_NO_UPSEARCH;
+
+            /* Extract segment count, point to first name segment */
+
+            Path++;
+            NumSegments = (UINT32) (UINT8) *Path;
+            Path++;
+
+            ACPI_DEBUG_PRINT ((ACPI_DB_NAMES,
+                "Multi Pathname (%d Segments, Flags=%X) \n",
+                NumSegments, Flags));
+            break;
+
+        default:
+            /*
+             * Not a Null name, no Dual or Multi prefix, hence there is
+             * only one name segment and Pathname is already pointing to it.
+             */
+            NumSegments = 1;
+
+            ACPI_DEBUG_PRINT ((ACPI_DB_NAMES,
+                "Simple Pathname (1 segment, Flags=%X)\n", Flags));
+            break;
+        }
+
+        ACPI_DEBUG_EXEC (AcpiNsPrintPathname (NumSegments, Path));
+    }
+
+
+    /*
+     * Search namespace for each segment of the name.  Loop through and
+     * verify (or add to the namespace) each name segment.
+     *
+     * The object type is significant only at the last name
+     * segment.  (We don't care about the types along the path, only
+     * the type of the final target object.)
+     */
+    ThisSearchType = ACPI_TYPE_ANY;
+    CurrentNode = ThisNode;
+    while (NumSegments && CurrentNode)
+    {
+        NumSegments--;
+        if (!NumSegments)
+        {
+            /*
+             * This is the last segment, enable typechecking
+             */
+            ThisSearchType = Type;
+
+            /*
+             * Only allow automatic parent search (search rules) if the caller
+             * requested it AND we have a single, non-fully-qualified NameSeg
+             */
+            if ((SearchParentFlag != ACPI_NS_NO_UPSEARCH) &&
+                (Flags & ACPI_NS_SEARCH_PARENT))
+            {
+                LocalFlags |= ACPI_NS_SEARCH_PARENT;
+            }
+
+            /* Set error flag according to caller */
+
+            if (Flags & ACPI_NS_ERROR_IF_FOUND)
+            {
+                LocalFlags |= ACPI_NS_ERROR_IF_FOUND;
+            }
+        }
+
+        /* Extract one ACPI name from the front of the pathname */
+
+        ACPI_MOVE_UNALIGNED32_TO_32 (&SimpleName, Path);
+
+        /* Try to find the single (4 character) ACPI name */
+
+        Status = AcpiNsSearchAndEnter (SimpleName, WalkState, CurrentNode,
+                        InterpreterMode, ThisSearchType, LocalFlags, &ThisNode);
+        if (ACPI_FAILURE (Status))
+        {
+            if (Status == AE_NOT_FOUND)
+            {
+                /* Name not found in ACPI namespace */
+
+                ACPI_DEBUG_PRINT ((ACPI_DB_NAMES,
+                    "Name [%4.4s] not found in scope [%4.4s] %p\n",
+                    (char *) &SimpleName, (char *) &CurrentNode->Name, 
+                    CurrentNode));
+            }
+
+            *ReturnNode = ThisNode;
+            return_ACPI_STATUS (Status);
+        }
+
+        /*
+         * Sanity typecheck of the target object:
+         *
+         * If 1) This is the last segment (NumSegments == 0)
+         *    2) And we are looking for a specific type
+         *       (Not checking for TYPE_ANY)
+         *    3) Which is not an alias
+         *    4) Which is not a local type (TYPE_SCOPE)
+         *    5) And the type of target object is known (not TYPE_ANY)
+         *    6) And target object does not match what we are looking for
+         *
+         * Then we have a type mismatch.  Just warn and ignore it.
+         */
+        if ((NumSegments        == 0)                               &&
+            (TypeToCheckFor     != ACPI_TYPE_ANY)                   &&
+            (TypeToCheckFor     != ACPI_TYPE_LOCAL_ALIAS)           &&
+            (TypeToCheckFor     != ACPI_TYPE_LOCAL_SCOPE)           &&
+            (ThisNode->Type     != ACPI_TYPE_ANY)                   &&
+            (ThisNode->Type     != TypeToCheckFor))
+        {
+            /* Complain about a type mismatch */
+
+            ACPI_REPORT_WARNING (
+                ("NsLookup: Type mismatch on %4.4s (%s), searching for (%s)\n",
+                (char *) &SimpleName, AcpiUtGetTypeName (ThisNode->Type), 
+                AcpiUtGetTypeName (TypeToCheckFor)));
+        }
+
+        /*
+         * If this is the last name segment and we are not looking for a
+         * specific type, but the type of found object is known, use that type
+         * to see if it opens a scope.
+         */
+        if ((NumSegments == 0) && (Type == ACPI_TYPE_ANY))
+        {
+            Type = ThisNode->Type;
+        }
+
+        /* Point to next name segment and make this node current */
+
+        Path += ACPI_NAME_SIZE;
+        CurrentNode = ThisNode;
+    }
+
+    /*
+     * Always check if we need to open a new scope
+     */
+    if (!(Flags & ACPI_NS_DONT_OPEN_SCOPE) && (WalkState))
+    {
+        /*
+         * If entry is a type which opens a scope, push the new scope on the
+         * scope stack.
+         */
+        if (AcpiNsOpensScope (Type))
+        {
+            Status = AcpiDsScopeStackPush (ThisNode, Type, WalkState);
+            if (ACPI_FAILURE (Status))
+            {
+                return_ACPI_STATUS (Status);
+            }
+        }
+    }
+
+    *ReturnNode = ThisNode;
+    return_ACPI_STATUS (AE_OK);
+}
+
diff --git a/sys/contrib/dev/acpica/nsalloc.c b/sys/contrib/dev/acpica/nsalloc.c
new file mode 100644
index 0000000..16160aa
--- /dev/null
+++ b/sys/contrib/dev/acpica/nsalloc.c
@@ -0,0 +1,762 @@
+/*******************************************************************************
+ *
+ * Module Name: nsalloc - Namespace allocation and deletion utilities
+ *              $Revision: 77 $
+ *
+ ******************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+
+#define __NSALLOC_C__
+
+#include "acpi.h"
+#include "acnamesp.h"
+
+
+#define _COMPONENT          ACPI_NAMESPACE
+        ACPI_MODULE_NAME    ("nsalloc")
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiNsCreateNode
+ *
+ * PARAMETERS:  AcpiName        - Name of the new node
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Create a namespace node
+ *
+ ******************************************************************************/
+
+ACPI_NAMESPACE_NODE *
+AcpiNsCreateNode (
+    UINT32                  Name)
+{
+    ACPI_NAMESPACE_NODE     *Node;
+
+
+    ACPI_FUNCTION_TRACE ("NsCreateNode");
+
+
+    Node = ACPI_MEM_CALLOCATE (sizeof (ACPI_NAMESPACE_NODE));
+    if (!Node)
+    {
+        return_PTR (NULL);
+    }
+
+    ACPI_MEM_TRACKING (AcpiGbl_MemoryLists[ACPI_MEM_LIST_NSNODE].TotalAllocated++);
+
+    Node->Name.Integer   = Name;
+    Node->ReferenceCount = 1;
+    ACPI_SET_DESCRIPTOR_TYPE (Node, ACPI_DESC_TYPE_NAMED);
+
+    return_PTR (Node);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiNsDeleteNode
+ *
+ * PARAMETERS:  Node            - Node to be deleted
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Delete a namespace node
+ *
+ ******************************************************************************/
+
+void
+AcpiNsDeleteNode (
+    ACPI_NAMESPACE_NODE     *Node)
+{
+    ACPI_NAMESPACE_NODE     *ParentNode;
+    ACPI_NAMESPACE_NODE     *PrevNode;
+    ACPI_NAMESPACE_NODE     *NextNode;
+
+
+    ACPI_FUNCTION_TRACE_PTR ("NsDeleteNode", Node);
+
+
+    ParentNode = AcpiNsGetParentNode (Node);
+
+    PrevNode = NULL;
+    NextNode = ParentNode->Child;
+
+    while (NextNode != Node)
+    {
+        PrevNode = NextNode;
+        NextNode = PrevNode->Peer;
+    }
+
+    if (PrevNode)
+    {
+        PrevNode->Peer = NextNode->Peer;
+        if (NextNode->Flags & ANOBJ_END_OF_PEER_LIST)
+        {
+            PrevNode->Flags |= ANOBJ_END_OF_PEER_LIST;
+        }
+    }
+    else
+    {
+        ParentNode->Child = NextNode->Peer;
+    }
+
+
+    ACPI_MEM_TRACKING (AcpiGbl_MemoryLists[ACPI_MEM_LIST_NSNODE].TotalFreed++);
+
+    /*
+     * Detach an object if there is one then delete the node
+     */
+    AcpiNsDetachObject (Node);
+    ACPI_MEM_FREE (Node);
+    return_VOID;
+}
+
+
+#ifdef ACPI_ALPHABETIC_NAMESPACE
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiNsCompareNames 
+ *
+ * PARAMETERS:  Name1           - First name to compare
+ *              Name2           - Second name to compare
+ *
+ * RETURN:      value from strncmp
+ *
+ * DESCRIPTION: Compare two ACPI names.  Names that are prefixed with an 
+ *              underscore are forced to be alphabetically first.
+ *
+ ******************************************************************************/
+
+int
+AcpiNsCompareNames (
+    char                    *Name1,
+    char                    *Name2)
+{
+    char                    ReversedName1[ACPI_NAME_SIZE];
+    char                    ReversedName2[ACPI_NAME_SIZE];
+    UINT32                  i;
+    UINT32                  j;
+
+
+    /*
+     * Replace all instances of "underscore" with a value that is smaller so
+     * that all names that are prefixed with underscore(s) are alphabetically
+     * first.
+     *
+     * Reverse the name bytewise so we can just do a 32-bit compare instead
+     * of a strncmp.
+     */
+    for (i = 0, j= (ACPI_NAME_SIZE - 1); i < ACPI_NAME_SIZE; i++, j--)
+    {
+        ReversedName1[j] = Name1[i];
+        if (Name1[i] == '_')
+        {
+            ReversedName1[j] = '*';
+        }
+
+        ReversedName2[j] = Name2[i];
+        if (Name2[i] == '_')
+        {
+            ReversedName2[j] = '*';
+        }
+    }
+
+    return (*(int *) ReversedName1 - *(int *) ReversedName2);
+}
+#endif
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiNsInstallNode
+ *
+ * PARAMETERS:  WalkState       - Current state of the walk
+ *              ParentNode      - The parent of the new Node
+ *              Node            - The new Node to install
+ *              Type            - ACPI object type of the new Node
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Initialize a new namespace node and install it amongst
+ *              its peers.
+ *
+ *              Note: Current namespace lookup is linear search.  However, the
+ *              nodes are linked in alphabetical order to 1) put all reserved
+ *              names (start with underscore) first, and to 2) make a readable
+ *              namespace dump.
+ *
+ ******************************************************************************/
+
+void
+AcpiNsInstallNode (
+    ACPI_WALK_STATE         *WalkState,
+    ACPI_NAMESPACE_NODE     *ParentNode,    /* Parent */
+    ACPI_NAMESPACE_NODE     *Node,          /* New Child*/
+    ACPI_OBJECT_TYPE        Type)
+{
+    UINT16                  OwnerId = TABLE_ID_DSDT;
+    ACPI_NAMESPACE_NODE     *ChildNode;
+#ifdef ACPI_ALPHABETIC_NAMESPACE
+
+    ACPI_NAMESPACE_NODE     *PreviousChildNode;
+#endif
+
+
+    ACPI_FUNCTION_TRACE ("NsInstallNode");
+
+
+    /*
+     * Get the owner ID from the Walk state
+     * The owner ID is used to track table deletion and
+     * deletion of objects created by methods
+     */
+    if (WalkState)
+    {
+        OwnerId = WalkState->OwnerId;
+    }
+
+    /* Link the new entry into the parent and existing children */
+
+    ChildNode = ParentNode->Child;
+    if (!ChildNode)
+    {
+        ParentNode->Child = Node;
+        Node->Flags |= ANOBJ_END_OF_PEER_LIST;
+        Node->Peer = ParentNode;
+    }
+    else
+    {
+#ifdef ACPI_ALPHABETIC_NAMESPACE
+        /*
+         * Walk the list whilst searching for the the correct
+         * alphabetic placement.
+         */
+        PreviousChildNode = NULL;
+        while (AcpiNsCompareNames (ChildNode->Name.Ascii, Node->Name.Ascii) < 0)
+        {
+            if (ChildNode->Flags & ANOBJ_END_OF_PEER_LIST)
+            {
+                /* Last peer;  Clear end-of-list flag */
+
+                ChildNode->Flags &= ~ANOBJ_END_OF_PEER_LIST;
+
+                /* This node is the new peer to the child node */
+
+                ChildNode->Peer = Node;
+
+                /* This node is the new end-of-list */
+
+                Node->Flags |= ANOBJ_END_OF_PEER_LIST;
+                Node->Peer = ParentNode;
+                break;
+            }
+
+            /* Get next peer */
+
+            PreviousChildNode = ChildNode;
+            ChildNode = ChildNode->Peer;
+        }
+
+        /* Did the node get inserted at the end-of-list? */
+
+        if (!(Node->Flags & ANOBJ_END_OF_PEER_LIST))
+        {
+            /* 
+             * Loop above terminated without reaching the end-of-list.
+             * Insert the new node at the current location
+             */
+            if (PreviousChildNode)
+            {
+                /* Insert node alphabetically */
+
+                Node->Peer = ChildNode;
+                PreviousChildNode->Peer = Node;
+            }
+            else
+            {
+                /* Insert node alphabetically at start of list */
+
+                Node->Peer = ChildNode;
+                ParentNode->Child = Node;
+            }
+        }
+#else
+        while (!(ChildNode->Flags & ANOBJ_END_OF_PEER_LIST))
+        {
+            ChildNode = ChildNode->Peer;
+        }
+
+        ChildNode->Peer = Node;
+
+        /* Clear end-of-list flag */
+
+        ChildNode->Flags &= ~ANOBJ_END_OF_PEER_LIST;
+        Node->Flags     |= ANOBJ_END_OF_PEER_LIST;
+        Node->Peer = ParentNode;
+#endif
+    }
+
+    /* Init the new entry */
+
+    Node->OwnerId = OwnerId;
+    Node->Type = (UINT8) Type;
+
+    ACPI_DEBUG_PRINT ((ACPI_DB_NAMES, "%4.4s (%s) added to %4.4s (%s) %p at %p\n",
+        Node->Name.Ascii, AcpiUtGetTypeName (Node->Type), 
+        ParentNode->Name.Ascii, AcpiUtGetTypeName (ParentNode->Type), ParentNode, Node));
+
+    /*
+     * Increment the reference count(s) of all parents up to
+     * the root!
+     */
+    while ((Node = AcpiNsGetParentNode (Node)) != NULL)
+    {
+        Node->ReferenceCount++;
+    }
+
+    return_VOID;
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiNsDeleteChildren
+ *
+ * PARAMETERS:  ParentNode      - Delete this objects children
+ *
+ * RETURN:      None.
+ *
+ * DESCRIPTION: Delete all children of the parent object. In other words,
+ *              deletes a "scope".
+ *
+ ******************************************************************************/
+
+void
+AcpiNsDeleteChildren (
+    ACPI_NAMESPACE_NODE     *ParentNode)
+{
+    ACPI_NAMESPACE_NODE     *ChildNode;
+    ACPI_NAMESPACE_NODE     *NextNode;
+    UINT8                   Flags;
+
+
+    ACPI_FUNCTION_TRACE_PTR ("NsDeleteChildren", ParentNode);
+
+
+    if (!ParentNode)
+    {
+        return_VOID;
+    }
+
+    /* If no children, all done! */
+
+    ChildNode = ParentNode->Child;
+    if (!ChildNode)
+    {
+        return_VOID;
+    }
+
+    /*
+     * Deallocate all children at this level
+     */
+    do
+    {
+        /* Get the things we need */
+
+        NextNode    = ChildNode->Peer;
+        Flags       = ChildNode->Flags;
+
+        /* Grandchildren should have all been deleted already */
+
+        if (ChildNode->Child)
+        {
+            ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Found a grandchild! P=%p C=%p\n",
+                ParentNode, ChildNode));
+        }
+
+        /* Now we can free this child object */
+
+        ACPI_MEM_TRACKING (AcpiGbl_MemoryLists[ACPI_MEM_LIST_NSNODE].TotalFreed++);
+
+        ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, "Object %p, Remaining %X\n",
+            ChildNode, AcpiGbl_CurrentNodeCount));
+
+        /*
+         * Detach an object if there is one, then free the child node
+         */
+        AcpiNsDetachObject (ChildNode);
+        ACPI_MEM_FREE (ChildNode);
+
+        /* And move on to the next child in the list */
+
+        ChildNode = NextNode;
+
+    } while (!(Flags & ANOBJ_END_OF_PEER_LIST));
+
+
+    /* Clear the parent's child pointer */
+
+    ParentNode->Child = NULL;
+
+    return_VOID;
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiNsDeleteNamespaceSubtree
+ *
+ * PARAMETERS:  ParentNode      - Root of the subtree to be deleted
+ *
+ * RETURN:      None.
+ *
+ * DESCRIPTION: Delete a subtree of the namespace.  This includes all objects
+ *              stored within the subtree.
+ *
+ ******************************************************************************/
+
+void
+AcpiNsDeleteNamespaceSubtree (
+    ACPI_NAMESPACE_NODE     *ParentNode)
+{
+    ACPI_NAMESPACE_NODE     *ChildNode = NULL;
+    UINT32                  Level = 1;
+
+
+    ACPI_FUNCTION_TRACE ("NsDeleteNamespaceSubtree");
+
+
+    if (!ParentNode)
+    {
+        return_VOID;
+    }
+
+    /*
+     * Traverse the tree of objects until we bubble back up
+     * to where we started.
+     */
+    while (Level > 0)
+    {
+        /* Get the next node in this scope (NULL if none) */
+
+        ChildNode = AcpiNsGetNextNode (ACPI_TYPE_ANY, ParentNode,
+                                            ChildNode);
+        if (ChildNode)
+        {
+            /* Found a child node - detach any attached object */
+
+            AcpiNsDetachObject (ChildNode);
+
+            /* Check if this node has any children */
+
+            if (AcpiNsGetNextNode (ACPI_TYPE_ANY, ChildNode, 0))
+            {
+                /*
+                 * There is at least one child of this node,
+                 * visit the node
+                 */
+                Level++;
+                ParentNode    = ChildNode;
+                ChildNode     = 0;
+            }
+        }
+        else
+        {
+            /*
+             * No more children of this parent node.
+             * Move up to the grandparent.
+             */
+            Level--;
+
+            /*
+             * Now delete all of the children of this parent
+             * all at the same time.
+             */
+            AcpiNsDeleteChildren (ParentNode);
+
+            /* New "last child" is this parent node */
+
+            ChildNode = ParentNode;
+
+            /* Move up the tree to the grandparent */
+
+            ParentNode = AcpiNsGetParentNode (ParentNode);
+        }
+    }
+
+    return_VOID;
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiNsRemoveReference
+ *
+ * PARAMETERS:  Node           - Named node whose reference count is to be
+ *                               decremented
+ *
+ * RETURN:      None.
+ *
+ * DESCRIPTION: Remove a Node reference.  Decrements the reference count
+ *              of all parent Nodes up to the root.  Any node along
+ *              the way that reaches zero references is freed.
+ *
+ ******************************************************************************/
+
+static void
+AcpiNsRemoveReference (
+    ACPI_NAMESPACE_NODE     *Node)
+{
+    ACPI_NAMESPACE_NODE     *ParentNode;
+    ACPI_NAMESPACE_NODE     *ThisNode;
+
+
+    ACPI_FUNCTION_ENTRY ();
+
+
+    /*
+     * Decrement the reference count(s) of this node and all
+     * nodes up to the root,  Delete anything with zero remaining references.
+     */
+    ThisNode = Node;
+    while (ThisNode)
+    {
+        /* Prepare to move up to parent */
+
+        ParentNode = AcpiNsGetParentNode (ThisNode);
+
+        /* Decrement the reference count on this node */
+
+        ThisNode->ReferenceCount--;
+
+        /* Delete the node if no more references */
+
+        if (!ThisNode->ReferenceCount)
+        {
+            /* Delete all children and delete the node */
+
+            AcpiNsDeleteChildren (ThisNode);
+            AcpiNsDeleteNode (ThisNode);
+        }
+
+        ThisNode = ParentNode;
+    }
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiNsDeleteNamespaceByOwner
+ *
+ * PARAMETERS:  OwnerId     - All nodes with this owner will be deleted
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Delete entries within the namespace that are owned by a
+ *              specific ID.  Used to delete entire ACPI tables.  All
+ *              reference counts are updated.
+ *
+ ******************************************************************************/
+
+void
+AcpiNsDeleteNamespaceByOwner (
+    UINT16                  OwnerId)
+{
+    ACPI_NAMESPACE_NODE     *ChildNode;
+    ACPI_NAMESPACE_NODE     *DeletionNode;
+    UINT32                  Level;
+    ACPI_NAMESPACE_NODE     *ParentNode;
+
+
+    ACPI_FUNCTION_TRACE_U32 ("NsDeleteNamespaceByOwner", OwnerId);
+
+
+    ParentNode    = AcpiGbl_RootNode;
+    ChildNode     = NULL;
+    DeletionNode  = NULL;
+    Level         = 1;
+
+    /*
+     * Traverse the tree of nodes until we bubble back up
+     * to where we started.
+     */
+    while (Level > 0)
+    {
+        /*
+         * Get the next child of this parent node. When ChildNode is NULL,
+         * the first child of the parent is returned
+         */
+        ChildNode = AcpiNsGetNextNode (ACPI_TYPE_ANY, ParentNode, ChildNode);
+
+        if (DeletionNode)
+        {
+            AcpiNsRemoveReference (DeletionNode);
+            DeletionNode = NULL;
+        }
+
+        if (ChildNode)
+        {
+            if (ChildNode->OwnerId == OwnerId)
+            {
+                /* Found a matching child node - detach any attached object */
+
+                AcpiNsDetachObject (ChildNode);
+            }
+
+            /* Check if this node has any children */
+
+            if (AcpiNsGetNextNode (ACPI_TYPE_ANY, ChildNode, NULL))
+            {
+                /*
+                 * There is at least one child of this node,
+                 * visit the node
+                 */
+                Level++;
+                ParentNode    = ChildNode;
+                ChildNode     = NULL;
+            }
+            else if (ChildNode->OwnerId == OwnerId)
+            {
+                DeletionNode = ChildNode;
+            }
+        }
+        else
+        {
+            /*
+             * No more children of this parent node.
+             * Move up to the grandparent.
+             */
+            Level--;
+            if (Level != 0)
+            {
+                if (ParentNode->OwnerId == OwnerId)
+                {
+                    DeletionNode = ParentNode;
+                }
+            }
+
+            /* New "last child" is this parent node */
+
+            ChildNode = ParentNode;
+
+            /* Move up the tree to the grandparent */
+
+            ParentNode = AcpiNsGetParentNode (ParentNode);
+        }
+    }
+
+    return_VOID;
+}
+
+
diff --git a/sys/contrib/dev/acpica/nsdump.c b/sys/contrib/dev/acpica/nsdump.c
new file mode 100644
index 0000000..88b135c
--- /dev/null
+++ b/sys/contrib/dev/acpica/nsdump.c
@@ -0,0 +1,786 @@
+/******************************************************************************
+ *
+ * Module Name: nsdump - table dumping routines for debug
+ *              $Revision: 146 $
+ *
+ *****************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+#define __NSDUMP_C__
+
+#include "acpi.h"
+#include "acnamesp.h"
+#include "acparser.h"
+
+
+#define _COMPONENT          ACPI_NAMESPACE
+        ACPI_MODULE_NAME    ("nsdump")
+
+#if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER)
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiNsPrintPathname
+ *
+ * PARAMETERS:  NumSegment          - Number of ACPI name segments
+ *              Pathname            - The compressed (internal) path
+ *
+ * DESCRIPTION: Print an object's full namespace pathname
+ *
+ ******************************************************************************/
+
+void
+AcpiNsPrintPathname (
+    UINT32                  NumSegments,
+    char                    *Pathname)
+{
+    ACPI_FUNCTION_NAME ("NsPrintPathname");
+
+
+    if (!(AcpiDbgLevel & ACPI_LV_NAMES) || !(AcpiDbgLayer & ACPI_NAMESPACE))
+    {
+        return;
+    }
+
+        /* Print the entire name */
+
+    ACPI_DEBUG_PRINT ((ACPI_DB_NAMES, "["));
+
+    while (NumSegments)
+    {
+        AcpiOsPrintf ("%4.4s", Pathname);
+        Pathname += ACPI_NAME_SIZE;
+
+        NumSegments--;
+        if (NumSegments)
+        {
+            AcpiOsPrintf (".");
+        }
+    }
+
+    AcpiOsPrintf ("]\n");
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiNsDumpPathname
+ *
+ * PARAMETERS:  Handle              - Object
+ *              Msg                 - Prefix message
+ *              Level               - Desired debug level
+ *              Component           - Caller's component ID
+ *
+ * DESCRIPTION: Print an object's full namespace pathname
+ *              Manages allocation/freeing of a pathname buffer
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiNsDumpPathname (
+    ACPI_HANDLE             Handle,
+    NATIVE_CHAR             *Msg,
+    UINT32                  Level,
+    UINT32                  Component)
+{
+    ACPI_BUFFER             Buffer;
+    ACPI_STATUS             Status;
+
+
+    ACPI_FUNCTION_TRACE ("NsDumpPathname");
+
+
+    /* Do this only if the requested debug level and component are enabled */
+
+    if (!(AcpiDbgLevel & Level) || !(AcpiDbgLayer & Component))
+    {
+        return_ACPI_STATUS (AE_OK);
+    }
+
+    /* Convert handle to a full pathname and print it (with supplied message) */
+
+    Buffer.Length = ACPI_ALLOCATE_LOCAL_BUFFER;
+
+    Status = AcpiNsHandleToPathname (Handle, &Buffer);
+    if (ACPI_SUCCESS (Status))
+    {
+        AcpiOsPrintf ("%s %s (Node %p)\n", Msg, (char *) Buffer.Pointer, Handle);
+        ACPI_MEM_FREE (Buffer.Pointer);
+    }
+
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiNsDumpOneObject
+ *
+ * PARAMETERS:  Handle              - Node to be dumped
+ *              Level               - Nesting level of the handle
+ *              Context             - Passed into WalkNamespace
+ *
+ * DESCRIPTION: Dump a single Node
+ *              This procedure is a UserFunction called by AcpiNsWalkNamespace.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiNsDumpOneObject (
+    ACPI_HANDLE             ObjHandle,
+    UINT32                  Level,
+    void                    *Context,
+    void                    **ReturnValue)
+{
+    ACPI_WALK_INFO          *Info = (ACPI_WALK_INFO *) Context;
+    ACPI_NAMESPACE_NODE     *ThisNode;
+    ACPI_OPERAND_OBJECT     *ObjDesc = NULL;
+    ACPI_OBJECT_TYPE        ObjType;
+    ACPI_OBJECT_TYPE        Type;
+    UINT32                  BytesToDump;
+    UINT32                  DbgLevel;
+    UINT32                  i;
+
+
+    ACPI_FUNCTION_NAME ("NsDumpOneObject");
+
+
+    /* Is output enabled? */
+
+    if (!(AcpiDbgLevel & Info->DebugLevel))
+    {
+        return (AE_OK);
+    }
+
+    if (!ObjHandle)
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Null object handle\n"));
+        return (AE_OK);
+    }
+
+    ThisNode = AcpiNsMapHandleToNode (ObjHandle);
+    Type = ThisNode->Type;
+
+    /* Check if the owner matches */
+
+    if ((Info->OwnerId != ACPI_UINT32_MAX) &&
+        (Info->OwnerId != ThisNode->OwnerId))
+    {
+        return (AE_OK);
+    }
+
+    /* Indent the object according to the level */
+
+    AcpiOsPrintf ("%2d%*s", (UINT32) Level - 1, (int) Level * 2, " ");
+
+    /* Check the node type and name */
+
+    if (Type > ACPI_TYPE_LOCAL_MAX)
+    {
+        ACPI_REPORT_WARNING (("Invalid ACPI Type %08X\n", Type));
+    }
+
+    if (!AcpiUtValidAcpiName (ThisNode->Name.Integer))
+    {
+        ACPI_REPORT_WARNING (("Invalid ACPI Name %08X\n", ThisNode->Name.Integer));
+    }
+
+    /*
+     * Now we can print out the pertinent information
+     */
+    AcpiOsPrintf ("%4.4s %-12s %p ",
+            ThisNode->Name.Ascii, AcpiUtGetTypeName (Type), ThisNode);
+
+    DbgLevel = AcpiDbgLevel;
+    AcpiDbgLevel = 0;
+    ObjDesc = AcpiNsGetAttachedObject (ThisNode);
+    AcpiDbgLevel = DbgLevel;
+
+    switch (Info->DisplayType)
+    {
+    case ACPI_DISPLAY_SUMMARY:
+
+        if (!ObjDesc)
+        {
+            /* No attached object, we are done */
+
+            AcpiOsPrintf ("\n");
+            return (AE_OK);
+        }
+
+        switch (Type)
+        {
+        case ACPI_TYPE_PROCESSOR:
+
+            AcpiOsPrintf ("ID %X Len %.4X Addr %p\n",
+                        ObjDesc->Processor.ProcId,
+                        ObjDesc->Processor.Length,
+                        (char *) ObjDesc->Processor.Address);
+            break;
+
+
+        case ACPI_TYPE_DEVICE:
+
+            AcpiOsPrintf ("Notify object: %p", ObjDesc);
+            break;
+
+
+        case ACPI_TYPE_METHOD:
+
+            AcpiOsPrintf ("Args %X Len %.4X Aml %p\n",
+                        (UINT32) ObjDesc->Method.ParamCount,
+                        ObjDesc->Method.AmlLength,
+                        ObjDesc->Method.AmlStart);
+            break;
+
+
+        case ACPI_TYPE_INTEGER:
+
+            AcpiOsPrintf ("= %8.8X%8.8X\n",
+                        ACPI_HIDWORD (ObjDesc->Integer.Value),
+                        ACPI_LODWORD (ObjDesc->Integer.Value));
+            break;
+
+
+        case ACPI_TYPE_PACKAGE:
+
+            if (ObjDesc->Common.Flags & AOPOBJ_DATA_VALID)
+            {
+                AcpiOsPrintf ("Elements %.2X\n",
+                            ObjDesc->Package.Count);
+            }
+            else
+            {
+                AcpiOsPrintf ("[Length not yet evaluated]\n");
+            }
+            break;
+
+
+        case ACPI_TYPE_BUFFER:
+
+            if (ObjDesc->Common.Flags & AOPOBJ_DATA_VALID)
+            {
+                AcpiOsPrintf ("Len %.2X",
+                            ObjDesc->Buffer.Length);
+
+                /* Dump some of the buffer */
+
+                if (ObjDesc->Buffer.Length > 0)
+                {
+                    AcpiOsPrintf (" =");
+                    for (i = 0; (i < ObjDesc->Buffer.Length && i < 12); i++)
+                    {
+                        AcpiOsPrintf (" %.2hX", ObjDesc->Buffer.Pointer[i]);
+                    }
+                }
+                AcpiOsPrintf ("\n");
+            }
+            else
+            {
+                AcpiOsPrintf ("[Length not yet evaluated]\n");
+            }
+            break;
+
+
+        case ACPI_TYPE_STRING:
+
+            AcpiOsPrintf ("Len %.2X ", ObjDesc->String.Length);
+            AcpiUtPrintString (ObjDesc->String.Pointer, 32);
+            AcpiOsPrintf ("\n");
+            break;
+
+
+        case ACPI_TYPE_REGION:
+
+            AcpiOsPrintf ("[%s]", AcpiUtGetRegionName (ObjDesc->Region.SpaceId));
+            if (ObjDesc->Region.Flags & AOPOBJ_DATA_VALID)
+            {
+                AcpiOsPrintf (" Addr %8.8X%8.8X Len %.4X\n",
+                            ACPI_HIDWORD (ObjDesc->Region.Address),
+                            ACPI_LODWORD (ObjDesc->Region.Address),
+                            ObjDesc->Region.Length);
+            }
+            else
+            {
+                AcpiOsPrintf (" [Address/Length not yet evaluated]\n");
+            }
+            break;
+
+
+        case ACPI_TYPE_LOCAL_REFERENCE:
+
+            AcpiOsPrintf ("[%s]\n",
+                    AcpiPsGetOpcodeName (ObjDesc->Reference.Opcode));
+            break;
+
+
+        case ACPI_TYPE_BUFFER_FIELD:
+
+            if (ObjDesc->BufferField.BufferObj &&
+                ObjDesc->BufferField.BufferObj->Buffer.Node)
+            {
+                AcpiOsPrintf ("Buf [%4.4s]",
+                        ObjDesc->BufferField.BufferObj->Buffer.Node->Name.Ascii);
+            }
+            break;
+
+
+        case ACPI_TYPE_LOCAL_REGION_FIELD:
+
+            AcpiOsPrintf ("Rgn [%4.4s]",
+                    ObjDesc->CommonField.RegionObj->Region.Node->Name.Ascii);
+            break;
+
+
+        case ACPI_TYPE_LOCAL_BANK_FIELD:
+
+            AcpiOsPrintf ("Rgn [%4.4s] Bnk [%4.4s]",
+                    ObjDesc->CommonField.RegionObj->Region.Node->Name.Ascii,
+                    ObjDesc->BankField.BankObj->CommonField.Node->Name.Ascii);
+            break;
+
+
+        case ACPI_TYPE_LOCAL_INDEX_FIELD:
+
+            AcpiOsPrintf ("Idx [%4.4s] Dat [%4.4s]",
+                    ObjDesc->IndexField.IndexObj->CommonField.Node->Name.Ascii,
+                    ObjDesc->IndexField.DataObj->CommonField.Node->Name.Ascii);
+            break;
+
+
+        case ACPI_TYPE_LOCAL_ALIAS:
+
+            AcpiOsPrintf ("Target %4.4s (%p)\n", ((ACPI_NAMESPACE_NODE *) ObjDesc)->Name.Ascii, ObjDesc);
+            break;
+
+        default:
+
+            AcpiOsPrintf ("Object %p\n", ObjDesc);
+            break;
+        }
+
+        /* Common field handling */
+
+        switch (Type)
+        {
+        case ACPI_TYPE_BUFFER_FIELD:
+        case ACPI_TYPE_LOCAL_REGION_FIELD:
+        case ACPI_TYPE_LOCAL_BANK_FIELD:
+        case ACPI_TYPE_LOCAL_INDEX_FIELD:
+
+            AcpiOsPrintf (" Off %.2X Len %.2X Acc %.2hd\n",
+                    (ObjDesc->CommonField.BaseByteOffset * 8)
+                        + ObjDesc->CommonField.StartFieldBitOffset,
+                    ObjDesc->CommonField.BitLength,
+                    ObjDesc->CommonField.AccessByteWidth);
+            break;
+
+        default:
+            break;
+        }
+        break;
+
+
+    case ACPI_DISPLAY_OBJECTS:
+
+        AcpiOsPrintf ("O:%p", ObjDesc);
+        if (!ObjDesc)
+        {
+            /* No attached object, we are done */
+
+            AcpiOsPrintf ("\n");
+            return (AE_OK);
+        }
+
+        AcpiOsPrintf ("(R%d)",
+                ObjDesc->Common.ReferenceCount);
+
+        switch (Type)
+        {
+        case ACPI_TYPE_METHOD:
+
+            /* Name is a Method and its AML offset/length are set */
+
+            AcpiOsPrintf (" M:%p-%X\n", ObjDesc->Method.AmlStart,
+                                        ObjDesc->Method.AmlLength);
+            break;
+
+        case ACPI_TYPE_INTEGER:
+
+            AcpiOsPrintf (" N:%X%X\n", ACPI_HIDWORD(ObjDesc->Integer.Value),
+                                       ACPI_LODWORD(ObjDesc->Integer.Value));
+            break;
+
+        case ACPI_TYPE_STRING:
+
+            AcpiOsPrintf (" S:%p-%X\n", ObjDesc->String.Pointer,
+                                        ObjDesc->String.Length);
+            break;
+
+        case ACPI_TYPE_BUFFER:
+
+            AcpiOsPrintf (" B:%p-%X\n", ObjDesc->Buffer.Pointer,
+                                        ObjDesc->Buffer.Length);
+            break;
+
+        default:
+
+            AcpiOsPrintf ("\n");
+            break;
+        }
+        break;
+
+
+    default:
+        AcpiOsPrintf ("\n");
+        break;
+    }
+
+    /* If debug turned off, done */
+
+    if (!(AcpiDbgLevel & ACPI_LV_VALUES))
+    {
+        return (AE_OK);
+    }
+
+
+    /* If there is an attached object, display it */
+
+    DbgLevel     = AcpiDbgLevel;
+    AcpiDbgLevel = 0;
+    ObjDesc      = AcpiNsGetAttachedObject (ThisNode);
+    AcpiDbgLevel = DbgLevel;
+
+    /* Dump attached objects */
+
+    while (ObjDesc)
+    {
+        ObjType = ACPI_TYPE_INVALID;
+        AcpiOsPrintf ("        Attached Object %p: ", ObjDesc);
+
+        /* Decode the type of attached object and dump the contents */
+
+        switch (ACPI_GET_DESCRIPTOR_TYPE (ObjDesc))
+        {
+        case ACPI_DESC_TYPE_NAMED:
+
+            AcpiOsPrintf ("(Ptr to Node)\n");
+            BytesToDump = sizeof (ACPI_NAMESPACE_NODE);
+            break;
+
+
+        case ACPI_DESC_TYPE_OPERAND:
+
+            ObjType = ACPI_GET_OBJECT_TYPE (ObjDesc);
+
+            if (ObjType > ACPI_TYPE_LOCAL_MAX)
+            {
+                AcpiOsPrintf ("(Ptr to ACPI Object type %X [UNKNOWN])\n", ObjType);
+                BytesToDump = 32;
+            }
+            else
+            {
+                AcpiOsPrintf ("(Ptr to ACPI Object type %s, %X)\n",
+                                    AcpiUtGetTypeName (ObjType), ObjType);
+                BytesToDump = sizeof (ACPI_OPERAND_OBJECT);
+            }
+            break;
+
+
+        default:
+
+            AcpiOsPrintf ("(String or Buffer ptr - not an object descriptor)\n");
+            BytesToDump = 16;
+            break;
+        }
+
+        ACPI_DUMP_BUFFER (ObjDesc, BytesToDump);
+
+        /* If value is NOT an internal object, we are done */
+
+        if (ACPI_GET_DESCRIPTOR_TYPE (ObjDesc) != ACPI_DESC_TYPE_OPERAND)
+        {
+            goto Cleanup;
+        }
+
+        /*
+         * Valid object, get the pointer to next level, if any
+         */
+        switch (ObjType)
+        {
+        case ACPI_TYPE_STRING:
+            ObjDesc = (void *) ObjDesc->String.Pointer;
+            break;
+
+        case ACPI_TYPE_BUFFER:
+            ObjDesc = (void *) ObjDesc->Buffer.Pointer;
+            break;
+
+        case ACPI_TYPE_BUFFER_FIELD:
+            ObjDesc = (ACPI_OPERAND_OBJECT *) ObjDesc->BufferField.BufferObj;
+            break;
+
+        case ACPI_TYPE_PACKAGE:
+            ObjDesc = (void *) ObjDesc->Package.Elements;
+            break;
+
+        case ACPI_TYPE_METHOD:
+            ObjDesc = (void *) ObjDesc->Method.AmlStart;
+            break;
+
+        case ACPI_TYPE_LOCAL_REGION_FIELD:
+            ObjDesc = (void *) ObjDesc->Field.RegionObj;
+            break;
+
+        case ACPI_TYPE_LOCAL_BANK_FIELD:
+            ObjDesc = (void *) ObjDesc->BankField.RegionObj;
+            break;
+
+        case ACPI_TYPE_LOCAL_INDEX_FIELD:
+            ObjDesc = (void *) ObjDesc->IndexField.IndexObj;
+            break;
+
+        default:
+            goto Cleanup;
+        }
+
+        ObjType = ACPI_TYPE_INVALID;   /* Terminate loop after next pass */
+    }
+
+Cleanup:
+    AcpiOsPrintf ("\n");
+    return (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiNsDumpObjects
+ *
+ * PARAMETERS:  Type                - Object type to be dumped
+ *              MaxDepth            - Maximum depth of dump.  Use ACPI_UINT32_MAX
+ *                                    for an effectively unlimited depth.
+ *              OwnerId             - Dump only objects owned by this ID.  Use
+ *                                    ACPI_UINT32_MAX to match all owners.
+ *              StartHandle         - Where in namespace to start/end search
+ *
+ * DESCRIPTION: Dump typed objects within the loaded namespace.
+ *              Uses AcpiNsWalkNamespace in conjunction with AcpiNsDumpOneObject.
+ *
+ ******************************************************************************/
+
+void
+AcpiNsDumpObjects (
+    ACPI_OBJECT_TYPE        Type,
+    UINT8                   DisplayType,
+    UINT32                  MaxDepth,
+    UINT32                  OwnerId,
+    ACPI_HANDLE             StartHandle)
+{
+    ACPI_WALK_INFO          Info;
+
+
+    ACPI_FUNCTION_ENTRY ();
+
+
+    Info.DebugLevel = ACPI_LV_TABLES;
+    Info.OwnerId = OwnerId;
+    Info.DisplayType = DisplayType;
+
+
+    (void) AcpiNsWalkNamespace (Type, StartHandle, MaxDepth,
+                ACPI_NS_WALK_NO_UNLOCK, AcpiNsDumpOneObject,
+                (void *) &Info, NULL);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiNsDumpTables
+ *
+ * PARAMETERS:  SearchBase          - Root of subtree to be dumped, or
+ *                                    NS_ALL to dump the entire namespace
+ *              MaxDepth            - Maximum depth of dump.  Use INT_MAX
+ *                                    for an effectively unlimited depth.
+ *
+ * DESCRIPTION: Dump the name space, or a portion of it.
+ *
+ ******************************************************************************/
+
+void
+AcpiNsDumpTables (
+    ACPI_HANDLE             SearchBase,
+    UINT32                  MaxDepth)
+{
+    ACPI_HANDLE             SearchHandle = SearchBase;
+
+
+    ACPI_FUNCTION_TRACE ("NsDumpTables");
+
+
+    if (!AcpiGbl_RootNode)
+    {
+        /*
+         * If the name space has not been initialized,
+         * there is nothing to dump.
+         */
+        ACPI_DEBUG_PRINT ((ACPI_DB_TABLES, "namespace not initialized!\n"));
+        return_VOID;
+    }
+
+    if (ACPI_NS_ALL == SearchBase)
+    {
+        /*  entire namespace    */
+
+        SearchHandle = AcpiGbl_RootNode;
+        ACPI_DEBUG_PRINT ((ACPI_DB_TABLES, "\\\n"));
+    }
+
+
+    AcpiNsDumpObjects (ACPI_TYPE_ANY, ACPI_DISPLAY_OBJECTS, MaxDepth,
+            ACPI_UINT32_MAX, SearchHandle);
+    return_VOID;
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiNsDumpEntry
+ *
+ * PARAMETERS:  Handle              - Node to be dumped
+ *              DebugLevel          - Output level
+ *
+ * DESCRIPTION: Dump a single Node
+ *
+ ******************************************************************************/
+
+void
+AcpiNsDumpEntry (
+    ACPI_HANDLE             Handle,
+    UINT32                  DebugLevel)
+{
+    ACPI_WALK_INFO          Info;
+
+
+    ACPI_FUNCTION_ENTRY ();
+
+
+    Info.DebugLevel = DebugLevel;
+    Info.OwnerId = ACPI_UINT32_MAX;
+    Info.DisplayType = ACPI_DISPLAY_SUMMARY;
+
+    (void) AcpiNsDumpOneObject (Handle, 1, &Info, NULL);
+}
+
+#endif
+
diff --git a/sys/contrib/dev/acpica/nsdumpdv.c b/sys/contrib/dev/acpica/nsdumpdv.c
new file mode 100644
index 0000000..c1d010d
--- /dev/null
+++ b/sys/contrib/dev/acpica/nsdumpdv.c
@@ -0,0 +1,220 @@
+/******************************************************************************
+ *
+ * Module Name: nsdump - table dumping routines for debug
+ *              $Revision: 4 $
+ *
+ *****************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+#define __NSDUMPDV_C__
+
+#include "acpi.h"
+#include "acnamesp.h"
+
+
+#define _COMPONENT          ACPI_NAMESPACE
+        ACPI_MODULE_NAME    ("nsdumpdv")
+
+
+#if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER)
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiNsDumpOneDevice
+ *
+ * PARAMETERS:  Handle              - Node to be dumped
+ *              Level               - Nesting level of the handle
+ *              Context             - Passed into WalkNamespace
+ *
+ * DESCRIPTION: Dump a single Node that represents a device
+ *              This procedure is a UserFunction called by AcpiNsWalkNamespace.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiNsDumpOneDevice (
+    ACPI_HANDLE             ObjHandle,
+    UINT32                  Level,
+    void                    *Context,
+    void                    **ReturnValue)
+{
+    ACPI_DEVICE_INFO        Info;
+    ACPI_STATUS             Status;
+    UINT32                  i;
+
+
+    ACPI_FUNCTION_NAME ("NsDumpOneDevice");
+
+
+    Status = AcpiNsDumpOneObject (ObjHandle, Level, Context, ReturnValue);
+
+    Status = AcpiGetObjectInfo (ObjHandle, &Info);
+    if (ACPI_SUCCESS (Status))
+    {
+        for (i = 0; i < Level; i++)
+        {
+            ACPI_DEBUG_PRINT_RAW ((ACPI_DB_TABLES, " "));
+        }
+
+        ACPI_DEBUG_PRINT_RAW ((ACPI_DB_TABLES, "    HID: %s, ADR: %8.8X%8.8X, Status: %X\n",
+                        Info.HardwareId,
+                        ACPI_HIDWORD (Info.Address), ACPI_LODWORD (Info.Address),
+                        Info.CurrentStatus));
+    }
+
+    return (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiNsDumpRootDevices
+ *
+ * PARAMETERS:  None
+ *
+ * DESCRIPTION: Dump all objects of type "device"
+ *
+ ******************************************************************************/
+
+void
+AcpiNsDumpRootDevices (void)
+{
+    ACPI_HANDLE             SysBusHandle;
+    ACPI_STATUS             Status;
+
+
+    ACPI_FUNCTION_NAME ("NsDumpRootDevices");
+
+
+    /* Only dump the table if tracing is enabled */
+
+    if (!(ACPI_LV_TABLES & AcpiDbgLevel))
+    {
+        return;
+    }
+
+    Status = AcpiGetHandle (0, ACPI_NS_SYSTEM_BUS, &SysBusHandle);
+    if (ACPI_FAILURE (Status))
+    {
+        return;
+    }
+
+    ACPI_DEBUG_PRINT ((ACPI_DB_TABLES, "Display of all devices in the namespace:\n"));
+
+    Status = AcpiNsWalkNamespace (ACPI_TYPE_DEVICE, SysBusHandle,
+                ACPI_UINT32_MAX, ACPI_NS_WALK_NO_UNLOCK,
+                AcpiNsDumpOneDevice, NULL, NULL);
+}
+
+#endif
+
+
diff --git a/sys/contrib/dev/acpica/nseval.c b/sys/contrib/dev/acpica/nseval.c
new file mode 100644
index 0000000..be29617
--- /dev/null
+++ b/sys/contrib/dev/acpica/nseval.c
@@ -0,0 +1,614 @@
+/*******************************************************************************
+ *
+ * Module Name: nseval - Object evaluation interfaces -- includes control
+ *                       method lookup and execution.
+ *              $Revision: 119 $
+ *
+ ******************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+#define __NSEVAL_C__
+
+#include "acpi.h"
+#include "acparser.h"
+#include "acinterp.h"
+#include "acnamesp.h"
+
+
+#define _COMPONENT          ACPI_NAMESPACE
+        ACPI_MODULE_NAME    ("nseval")
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiNsEvaluateRelative
+ *
+ * PARAMETERS:  Handle              - The relative containing object
+ *              Pathname            - Name of method to execute, If NULL, the
+ *                                    handle is the object to execute
+ *              Params              - List of parameters to pass to the method,
+ *                                    terminated by NULL.  Params itself may be
+ *                                    NULL if no parameters are being passed.
+ *              ReturnObject        - Where to put method's return value (if
+ *                                    any).  If NULL, no value is returned.
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Find and execute the requested method using the handle as a
+ *              scope
+ *
+ * MUTEX:       Locks Namespace
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiNsEvaluateRelative (
+    ACPI_NAMESPACE_NODE     *Handle,
+    NATIVE_CHAR             *Pathname,
+    ACPI_OPERAND_OBJECT     **Params,
+    ACPI_OPERAND_OBJECT     **ReturnObject)
+{
+    ACPI_NAMESPACE_NODE     *PrefixNode;
+    ACPI_STATUS             Status;
+    ACPI_NAMESPACE_NODE     *Node = NULL;
+    NATIVE_CHAR             *InternalPath = NULL;
+    ACPI_GENERIC_STATE      ScopeInfo;
+
+
+    ACPI_FUNCTION_TRACE ("NsEvaluateRelative");
+
+
+    /*
+     * Must have a valid object handle
+     */
+    if (!Handle)
+    {
+        return_ACPI_STATUS (AE_BAD_PARAMETER);
+    }
+
+    /* Build an internal name string for the method */
+
+    Status = AcpiNsInternalizeName (Pathname, &InternalPath);
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    /* Get the prefix handle and Node */
+
+    Status = AcpiUtAcquireMutex (ACPI_MTX_NAMESPACE);
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    PrefixNode = AcpiNsMapHandleToNode (Handle);
+    if (!PrefixNode)
+    {
+        (void) AcpiUtReleaseMutex (ACPI_MTX_NAMESPACE);
+        Status = AE_BAD_PARAMETER;
+        goto Cleanup;
+    }
+
+    /* Lookup the name in the namespace */
+
+    ScopeInfo.Scope.Node = PrefixNode;
+    Status = AcpiNsLookup (&ScopeInfo, InternalPath, ACPI_TYPE_ANY,
+                            ACPI_IMODE_EXECUTE, ACPI_NS_NO_UPSEARCH, NULL,
+                            &Node);
+
+    (void) AcpiUtReleaseMutex (ACPI_MTX_NAMESPACE);
+
+    if (ACPI_FAILURE (Status))
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_NAMES, "Object [%s] not found [%s]\n",
+            Pathname, AcpiFormatException (Status)));
+        goto Cleanup;
+    }
+
+    /*
+     * Now that we have a handle to the object, we can attempt
+     * to evaluate it.
+     */
+    ACPI_DEBUG_PRINT ((ACPI_DB_NAMES, "%s [%p] Value %p\n",
+        Pathname, Node, AcpiNsGetAttachedObject (Node)));
+
+    Status = AcpiNsEvaluateByHandle (Node, Params, ReturnObject);
+
+    ACPI_DEBUG_PRINT ((ACPI_DB_NAMES, "*** Completed eval of object %s ***\n",
+        Pathname));
+
+Cleanup:
+
+    ACPI_MEM_FREE (InternalPath);
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiNsEvaluateByName
+ *
+ * PARAMETERS:  Pathname            - Fully qualified pathname to the object
+ *              ReturnObject        - Where to put method's return value (if
+ *                                    any).  If NULL, no value is returned.
+ *              Params              - List of parameters to pass to the method,
+ *                                    terminated by NULL.  Params itself may be
+ *                                    NULL if no parameters are being passed.
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Find and execute the requested method passing the given
+ *              parameters
+ *
+ * MUTEX:       Locks Namespace
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiNsEvaluateByName (
+    NATIVE_CHAR             *Pathname,
+    ACPI_OPERAND_OBJECT     **Params,
+    ACPI_OPERAND_OBJECT     **ReturnObject)
+{
+    ACPI_STATUS             Status;
+    ACPI_NAMESPACE_NODE     *Node = NULL;
+    NATIVE_CHAR             *InternalPath = NULL;
+
+
+    ACPI_FUNCTION_TRACE ("NsEvaluateByName");
+
+
+    /* Build an internal name string for the method */
+
+    Status = AcpiNsInternalizeName (Pathname, &InternalPath);
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    Status = AcpiUtAcquireMutex (ACPI_MTX_NAMESPACE);
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    /* Lookup the name in the namespace */
+
+    Status = AcpiNsLookup (NULL, InternalPath, ACPI_TYPE_ANY,
+                            ACPI_IMODE_EXECUTE, ACPI_NS_NO_UPSEARCH, NULL,
+                            &Node);
+
+    (void) AcpiUtReleaseMutex (ACPI_MTX_NAMESPACE);
+
+    if (ACPI_FAILURE (Status))
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_NAMES, "Object at [%s] was not found, status=%.4X\n",
+            Pathname, Status));
+        goto Cleanup;
+    }
+
+    /*
+     * Now that we have a handle to the object, we can attempt
+     * to evaluate it.
+     */
+    ACPI_DEBUG_PRINT ((ACPI_DB_NAMES, "%s [%p] Value %p\n",
+        Pathname, Node, AcpiNsGetAttachedObject (Node)));
+
+    Status = AcpiNsEvaluateByHandle (Node, Params, ReturnObject);
+
+    ACPI_DEBUG_PRINT ((ACPI_DB_NAMES, "*** Completed eval of object %s ***\n",
+        Pathname));
+
+
+Cleanup:
+
+    /* Cleanup */
+
+    if (InternalPath)
+    {
+        ACPI_MEM_FREE (InternalPath);
+    }
+
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiNsEvaluateByHandle
+ *
+ * PARAMETERS:  Handle              - Method Node to execute
+ *              Params              - List of parameters to pass to the method,
+ *                                    terminated by NULL.  Params itself may be
+ *                                    NULL if no parameters are being passed.
+ *              ReturnObject        - Where to put method's return value (if
+ *                                    any).  If NULL, no value is returned.
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Execute the requested method passing the given parameters
+ *
+ * MUTEX:       Locks Namespace
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiNsEvaluateByHandle (
+    ACPI_NAMESPACE_NODE     *Handle,
+    ACPI_OPERAND_OBJECT     **Params,
+    ACPI_OPERAND_OBJECT     **ReturnObject)
+{
+    ACPI_NAMESPACE_NODE     *Node;
+    ACPI_STATUS             Status;
+    ACPI_OPERAND_OBJECT     *LocalReturnObject;
+
+
+    ACPI_FUNCTION_TRACE ("NsEvaluateByHandle");
+
+
+    /* Check if namespace has been initialized */
+
+    if (!AcpiGbl_RootNode)
+    {
+        return_ACPI_STATUS (AE_NO_NAMESPACE);
+    }
+
+    /* Parameter Validation */
+
+    if (!Handle)
+    {
+        return_ACPI_STATUS (AE_BAD_PARAMETER);
+    }
+
+    if (ReturnObject)
+    {
+        /* Initialize the return value to an invalid object */
+
+        *ReturnObject = NULL;
+    }
+
+    /* Get the prefix handle and Node */
+
+    Status = AcpiUtAcquireMutex (ACPI_MTX_NAMESPACE);
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    Node = AcpiNsMapHandleToNode (Handle);
+    if (!Node)
+    {
+        (void) AcpiUtReleaseMutex (ACPI_MTX_NAMESPACE);
+        return_ACPI_STATUS (AE_BAD_PARAMETER);
+    }
+
+    /*
+     * Two major cases here:
+     * 1) The object is an actual control method -- execute it.
+     * 2) The object is not a method -- just return it's current
+     *      value
+     *
+     * In both cases, the namespace is unlocked by the
+     *  AcpiNs* procedure
+     */
+    if (AcpiNsGetType (Node) == ACPI_TYPE_METHOD)
+    {
+        /*
+         * Case 1) We have an actual control method to execute
+         */
+        Status = AcpiNsExecuteControlMethod (Node, Params,
+                                            &LocalReturnObject);
+    }
+    else
+    {
+        /*
+         * Case 2) Object is NOT a method, just return its
+         * current value
+         */
+        Status = AcpiNsGetObjectValue (Node, &LocalReturnObject);
+    }
+
+    /*
+     * Check if there is a return value on the stack that must
+     * be dealt with
+     */
+    if (Status == AE_CTRL_RETURN_VALUE)
+    {
+        /*
+         * If the Method returned a value and the caller
+         * provided a place to store a returned value, Copy
+         * the returned value to the object descriptor provided
+         * by the caller.
+         */
+        if (ReturnObject)
+        {
+            /*
+             * Valid return object, copy the pointer to
+             * the returned object
+             */
+            *ReturnObject = LocalReturnObject;
+        }
+
+        /* Map AE_CTRL_RETURN_VALUE to AE_OK, we are done with it */
+
+        Status = AE_OK;
+    }
+
+    /*
+     * Namespace was unlocked by the handling AcpiNs* function,
+     * so we just return
+     */
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiNsExecuteControlMethod
+ *
+ * PARAMETERS:  MethodNode          - The method to execute
+ *              Params              - List of parameters to pass to the method,
+ *                                    terminated by NULL.  Params itself may be
+ *                                    NULL if no parameters are being passed.
+ *              ReturnObjDesc       - List of result objects to be returned
+ *                                    from the method.
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Execute the requested method passing the given parameters
+ *
+ * MUTEX:       Assumes namespace is locked
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiNsExecuteControlMethod (
+    ACPI_NAMESPACE_NODE     *MethodNode,
+    ACPI_OPERAND_OBJECT     **Params,
+    ACPI_OPERAND_OBJECT     **ReturnObjDesc)
+{
+    ACPI_STATUS             Status;
+    ACPI_OPERAND_OBJECT     *ObjDesc;
+
+
+    ACPI_FUNCTION_TRACE ("NsExecuteControlMethod");
+
+
+    /* Verify that there is a method associated with this object */
+
+    ObjDesc = AcpiNsGetAttachedObject (MethodNode);
+    if (!ObjDesc)
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "No attached method object\n"));
+
+        (void) AcpiUtReleaseMutex (ACPI_MTX_NAMESPACE);
+        return_ACPI_STATUS (AE_NULL_OBJECT);
+    }
+
+    ACPI_DUMP_PATHNAME (MethodNode, "Execute Method:",
+        ACPI_LV_INFO, _COMPONENT);
+
+    ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Method at AML address %p Length %X\n",
+        ObjDesc->Method.AmlStart + 1, ObjDesc->Method.AmlLength - 1));
+
+    /*
+     * Unlock the namespace before execution.  This allows namespace access
+     * via the external Acpi* interfaces while a method is being executed.
+     * However, any namespace deletion must acquire both the namespace and
+     * interpreter locks to ensure that no thread is using the portion of the
+     * namespace that is being deleted.
+     */
+    Status = AcpiUtReleaseMutex (ACPI_MTX_NAMESPACE);
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    /*
+     * Execute the method via the interpreter.  The interpreter is locked
+     * here before calling into the AML parser
+     */
+    Status = AcpiExEnterInterpreter ();
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    Status = AcpiPsxExecute (MethodNode, Params, ReturnObjDesc);
+    AcpiExExitInterpreter ();
+
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiNsGetObjectValue
+ *
+ * PARAMETERS:  Node                - The object
+ *              ReturnObjDesc       - Where the objects value is returned
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Return the current value of the object
+ *
+ * MUTEX:       Assumes namespace is locked, leaves namespace unlocked
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiNsGetObjectValue (
+    ACPI_NAMESPACE_NODE     *Node,
+    ACPI_OPERAND_OBJECT     **ReturnObjDesc)
+{
+    ACPI_STATUS             Status = AE_OK;
+    ACPI_NAMESPACE_NODE     *ResolvedNode = Node;
+
+
+    ACPI_FUNCTION_TRACE ("NsGetObjectValue");
+
+
+    /*
+     * Objects require additional resolution steps (e.g., the
+     * Node may be a field that must be read, etc.) -- we can't just grab
+     * the object out of the node.
+     */
+
+    /*
+     * Use ResolveNodeToValue() to get the associated value.  This call
+     * always deletes ObjDesc (allocated above).
+     *
+     * NOTE: we can get away with passing in NULL for a walk state
+     * because ObjDesc is guaranteed to not be a reference to either
+     * a method local or a method argument (because this interface can only be
+     * called from the AcpiEvaluate external interface, never called from
+     * a running control method.)
+     *
+     * Even though we do not directly invoke the interpreter
+     * for this, we must enter it because we could access an opregion.
+     * The opregion access code assumes that the interpreter
+     * is locked.
+     *
+     * We must release the namespace lock before entering the
+     * intepreter.
+     */
+    Status = AcpiUtReleaseMutex (ACPI_MTX_NAMESPACE);
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    Status = AcpiExEnterInterpreter ();
+    if (ACPI_SUCCESS (Status))
+    {
+        Status = AcpiExResolveNodeToValue (&ResolvedNode, NULL);
+        /*
+         * If AcpiExResolveNodeToValue() succeeded, the return value was
+         * placed in ResolvedNode.
+         */
+        AcpiExExitInterpreter ();
+
+        if (ACPI_SUCCESS (Status))
+        {
+            Status = AE_CTRL_RETURN_VALUE;
+            *ReturnObjDesc = ACPI_CAST_PTR (ACPI_OPERAND_OBJECT, ResolvedNode);
+            ACPI_DEBUG_PRINT ((ACPI_DB_NAMES, "Returning object %p [%s]\n",
+                *ReturnObjDesc, AcpiUtGetObjectTypeName (*ReturnObjDesc)));
+        }
+    }
+
+    /* Namespace is unlocked */
+
+    return_ACPI_STATUS (Status);
+}
+
diff --git a/sys/contrib/dev/acpica/nsinit.c b/sys/contrib/dev/acpica/nsinit.c
new file mode 100644
index 0000000..8babb3d
--- /dev/null
+++ b/sys/contrib/dev/acpica/nsinit.c
@@ -0,0 +1,510 @@
+/******************************************************************************
+ *
+ * Module Name: nsinit - namespace initialization
+ *              $Revision: 50 $
+ *
+ *****************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+
+#define __NSXFINIT_C__
+
+#include "acpi.h"
+#include "acnamesp.h"
+#include "acdispat.h"
+#include "acinterp.h"
+
+#define _COMPONENT          ACPI_NAMESPACE
+        ACPI_MODULE_NAME    ("nsinit")
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiNsInitializeObjects
+ *
+ * PARAMETERS:  None
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Walk the entire namespace and perform any necessary
+ *              initialization on the objects found therein
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiNsInitializeObjects (
+    void)
+{
+    ACPI_STATUS             Status;
+    ACPI_INIT_WALK_INFO     Info;
+
+
+    ACPI_FUNCTION_TRACE ("NsInitializeObjects");
+
+
+    ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH,
+        "**** Starting initialization of namespace objects ****\n"));
+    ACPI_DEBUG_PRINT_RAW ((ACPI_DB_OK, "Completing Region/Field/Buffer/Package initialization:"));
+
+    /* Set all init info to zero */
+
+    ACPI_MEMSET (&Info, 0, sizeof (ACPI_INIT_WALK_INFO));
+
+    /* Walk entire namespace from the supplied root */
+
+    Status = AcpiWalkNamespace (ACPI_TYPE_ANY, ACPI_ROOT_OBJECT,
+                                ACPI_UINT32_MAX, AcpiNsInitOneObject,
+                                &Info, NULL);
+    if (ACPI_FAILURE (Status))
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "WalkNamespace failed! %s\n",
+            AcpiFormatException (Status)));
+    }
+
+    ACPI_DEBUG_PRINT_RAW ((ACPI_DB_OK,
+        "\nInitialized %hd/%hd Regions %hd/%hd Fields %hd/%hd Buffers %hd/%hd Packages (%hd nodes)\n",
+        Info.OpRegionInit,  Info.OpRegionCount,
+        Info.FieldInit,     Info.FieldCount,
+        Info.BufferInit,    Info.BufferCount,
+        Info.PackageInit,   Info.PackageCount, Info.ObjectCount));
+    ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH,
+        "%hd Control Methods found\n", Info.MethodCount));
+    ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH,
+        "%hd Op Regions found\n", Info.OpRegionCount));
+
+    return_ACPI_STATUS (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiNsInitializeDevices
+ *
+ * PARAMETERS:  None
+ *
+ * RETURN:      ACPI_STATUS
+ *
+ * DESCRIPTION: Walk the entire namespace and initialize all ACPI devices.
+ *              This means running _INI on all present devices.
+ *
+ *              Note: We install PCI config space handler on region access,
+ *              not here.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiNsInitializeDevices (
+    void)
+{
+    ACPI_STATUS             Status;
+    ACPI_DEVICE_WALK_INFO   Info;
+
+
+    ACPI_FUNCTION_TRACE ("NsInitializeDevices");
+
+
+    /* Init counters */
+
+    Info.DeviceCount = 0;
+    Info.Num_STA = 0;
+    Info.Num_INI = 0;
+
+    ACPI_DEBUG_PRINT_RAW ((ACPI_DB_OK, "Executing all Device _STA and_INI methods:"));
+
+    /* Walk namespace for all objects of type Device */
+
+    Status = AcpiNsWalkNamespace (ACPI_TYPE_DEVICE, ACPI_ROOT_OBJECT,
+                    ACPI_UINT32_MAX, FALSE, AcpiNsInitOneDevice, &Info, NULL);
+
+    if (ACPI_FAILURE (Status))
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "WalkNamespace failed! %s\n",
+            AcpiFormatException (Status)));
+    }
+
+    ACPI_DEBUG_PRINT_RAW ((ACPI_DB_OK,
+        "\n%hd Devices found containing: %hd _STA, %hd _INI methods\n",
+        Info.DeviceCount, Info.Num_STA, Info.Num_INI));
+
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiNsInitOneObject
+ *
+ * PARAMETERS:  ObjHandle       - Node
+ *              Level           - Current nesting level
+ *              Context         - Points to a init info struct
+ *              ReturnValue     - Not used
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Callback from AcpiWalkNamespace.  Invoked for every object
+ *              within the  namespace.
+ *
+ *              Currently, the only objects that require initialization are:
+ *              1) Methods
+ *              2) Op Regions
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiNsInitOneObject (
+    ACPI_HANDLE             ObjHandle,
+    UINT32                  Level,
+    void                    *Context,
+    void                    **ReturnValue)
+{
+    ACPI_OBJECT_TYPE        Type;
+    ACPI_STATUS             Status;
+    ACPI_INIT_WALK_INFO     *Info = (ACPI_INIT_WALK_INFO *) Context;
+    ACPI_NAMESPACE_NODE     *Node = (ACPI_NAMESPACE_NODE *) ObjHandle;
+    ACPI_OPERAND_OBJECT     *ObjDesc;
+
+
+    ACPI_FUNCTION_NAME ("NsInitOneObject");
+
+
+    Info->ObjectCount++;
+
+    /* And even then, we are only interested in a few object types */
+
+    Type = AcpiNsGetType (ObjHandle);
+    ObjDesc = AcpiNsGetAttachedObject (Node);
+    if (!ObjDesc)
+    {
+        return (AE_OK);
+    }
+
+    /* Increment counters for object types we are looking for */
+
+    switch (Type)
+    {
+    case ACPI_TYPE_REGION:
+        Info->OpRegionCount++;
+        break;
+
+    case ACPI_TYPE_BUFFER_FIELD:
+        Info->FieldCount++;
+        break;
+
+    case ACPI_TYPE_BUFFER:
+        Info->BufferCount++;
+        break;
+
+    case ACPI_TYPE_PACKAGE:
+        Info->PackageCount++;
+        break;
+
+    default:
+
+        /* No init required, just exit now */
+        return (AE_OK);
+    }
+
+    /*
+     * If the object is already initialized, nothing else to do
+     */
+    if (ObjDesc->Common.Flags & AOPOBJ_DATA_VALID)
+    {
+        return (AE_OK);
+    }
+
+    /*
+     * Must lock the interpreter before executing AML code
+     */
+    Status = AcpiExEnterInterpreter ();
+    if (ACPI_FAILURE (Status))
+    {
+        return (Status);
+    }
+
+    /*
+     * Each of these types can contain executable AML code within
+     * the declaration.
+     */
+    switch (Type)
+    {
+    case ACPI_TYPE_REGION:
+
+        Info->OpRegionInit++;
+        Status = AcpiDsGetRegionArguments (ObjDesc);
+        break;
+
+
+    case ACPI_TYPE_BUFFER_FIELD:
+
+        Info->FieldInit++;
+        Status = AcpiDsGetBufferFieldArguments (ObjDesc);
+        break;
+
+
+    case ACPI_TYPE_BUFFER:
+
+        Info->BufferInit++;
+        Status = AcpiDsGetBufferArguments (ObjDesc);
+        break;
+
+
+    case ACPI_TYPE_PACKAGE:
+
+        Info->PackageInit++;
+        Status = AcpiDsGetPackageArguments (ObjDesc);
+        break;
+
+    default:
+        /* No other types can get here */
+        break;
+    }
+
+    if (ACPI_FAILURE (Status))
+    {
+        ACPI_DEBUG_PRINT_RAW ((ACPI_DB_ERROR, "\n"));
+        ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+                "Could not execute arguments for [%4.4s] (%s), %s\n",
+                Node->Name.Ascii, AcpiUtGetTypeName (Type), AcpiFormatException (Status)));
+    }
+
+    if (!(AcpiDbgLevel & ACPI_LV_INIT))
+    {
+        ACPI_DEBUG_PRINT_RAW ((ACPI_DB_OK, "."));
+    }
+
+    /*
+     * We ignore errors from above, and always return OK, since
+     * we don't want to abort the walk on any single error.
+     */
+    AcpiExExitInterpreter ();
+    return (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiNsInitOneDevice
+ *
+ * PARAMETERS:  ACPI_WALK_CALLBACK
+ *
+ * RETURN:      ACPI_STATUS
+ *
+ * DESCRIPTION: This is called once per device soon after ACPI is enabled
+ *              to initialize each device. It determines if the device is
+ *              present, and if so, calls _INI.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiNsInitOneDevice (
+    ACPI_HANDLE             ObjHandle,
+    UINT32                  NestingLevel,
+    void                    *Context,
+    void                    **ReturnValue)
+{
+    ACPI_STATUS             Status;
+    ACPI_NAMESPACE_NODE    *Node;
+    UINT32                  Flags;
+    ACPI_DEVICE_WALK_INFO  *Info = (ACPI_DEVICE_WALK_INFO *) Context;
+
+
+    ACPI_FUNCTION_TRACE ("NsInitOneDevice");
+
+
+    if ((AcpiDbgLevel <= ACPI_LV_ALL_EXCEPTIONS) && (!(AcpiDbgLevel & ACPI_LV_INFO)))
+    {
+        ACPI_DEBUG_PRINT_RAW ((ACPI_DB_OK, "."));
+    }
+
+    Info->DeviceCount++;
+
+    Status = AcpiUtAcquireMutex (ACPI_MTX_NAMESPACE);
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    Node = AcpiNsMapHandleToNode (ObjHandle);
+    if (!Node)
+    {
+        (void) AcpiUtReleaseMutex (ACPI_MTX_NAMESPACE);
+        return_ACPI_STATUS (AE_BAD_PARAMETER);
+    }
+
+    Status = AcpiUtReleaseMutex (ACPI_MTX_NAMESPACE);
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    /*
+     * Run _STA to determine if we can run _INI on the device.
+     */
+    ACPI_DEBUG_EXEC (AcpiUtDisplayInitPathname (Node, "_STA  [Method]"));
+    Status = AcpiUtExecute_STA (Node, &Flags);
+    if (ACPI_FAILURE (Status))
+    {
+        /* Ignore error and move on to next device */
+
+        return_ACPI_STATUS (AE_OK);
+    }
+
+    Info->Num_STA++;
+
+    if (!(Flags & 0x01))
+    {
+        /* don't look at children of a not present device */
+
+        return_ACPI_STATUS(AE_CTRL_DEPTH);
+    }
+
+    /*
+     * The device is present. Run _INI.
+     */
+    ACPI_DEBUG_EXEC (AcpiUtDisplayInitPathname (ObjHandle, "_INI  [Method]"));
+    Status = AcpiNsEvaluateRelative (ObjHandle, "_INI", NULL, NULL);
+    if (ACPI_FAILURE (Status))
+    {
+        /* No _INI (AE_NOT_FOUND) means device requires no initialization */
+
+        if (Status != AE_NOT_FOUND)
+        {
+            /* Ignore error and move on to next device */
+
+    #ifdef ACPI_DEBUG_OUTPUT
+            NATIVE_CHAR *ScopeName = AcpiNsGetExternalPathname (ObjHandle);
+
+            ACPI_DEBUG_PRINT ((ACPI_DB_WARN, "%s._INI failed: %s\n",
+                    ScopeName, AcpiFormatException (Status)));
+
+            ACPI_MEM_FREE (ScopeName);
+    #endif
+        }
+
+        Status = AE_OK;
+    }
+    else
+    {
+        /* Count of successful INIs */
+
+        Info->Num_INI++;
+    }
+
+    if (AcpiGbl_InitHandler)
+    {
+        /* External initialization handler is present, call it */
+
+        Status = AcpiGbl_InitHandler (ObjHandle, ACPI_INIT_DEVICE_INI);
+    }
+
+
+    return_ACPI_STATUS (Status);
+}
diff --git a/sys/contrib/dev/acpica/nsload.c b/sys/contrib/dev/acpica/nsload.c
new file mode 100644
index 0000000..90e39f6
--- /dev/null
+++ b/sys/contrib/dev/acpica/nsload.c
@@ -0,0 +1,675 @@
+/******************************************************************************
+ *
+ * Module Name: nsload - namespace loading/expanding/contracting procedures
+ *              $Revision: 59 $
+ *
+ *****************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+#define __NSLOAD_C__
+
+#include "acpi.h"
+#include "acnamesp.h"
+#include "acparser.h"
+#include "acdispat.h"
+
+
+#define _COMPONENT          ACPI_NAMESPACE
+        ACPI_MODULE_NAME    ("nsload")
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    NsOneCompleteParse
+ *
+ * PARAMETERS:  PassNumber              - 1 or 2
+ *              TableDesc               - The table to be parsed.
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Perform one complete parse of an ACPI/AML table.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiNsOneCompleteParse (
+    UINT32                  PassNumber,
+    ACPI_TABLE_DESC         *TableDesc)
+{
+    ACPI_PARSE_OBJECT       *ParseRoot;
+    ACPI_STATUS             Status;
+    ACPI_WALK_STATE         *WalkState;
+
+
+    ACPI_FUNCTION_TRACE ("NsOneCompleteParse");
+
+
+    /* Create and init a Root Node */
+
+    ParseRoot = AcpiPsCreateScopeOp ();
+    if (!ParseRoot)
+    {
+        return_ACPI_STATUS (AE_NO_MEMORY);
+    }
+
+
+    /* Create and initialize a new walk state */
+
+    WalkState = AcpiDsCreateWalkState (TABLE_ID_DSDT,
+                                    NULL, NULL, NULL);
+    if (!WalkState)
+    {
+        AcpiPsFreeOp (ParseRoot);
+        return_ACPI_STATUS (AE_NO_MEMORY);
+    }
+
+    Status = AcpiDsInitAmlWalk (WalkState, ParseRoot, NULL, TableDesc->AmlStart,
+                    TableDesc->AmlLength, NULL, NULL, PassNumber);
+    if (ACPI_FAILURE (Status))
+    {
+        AcpiDsDeleteWalkState (WalkState);
+        return_ACPI_STATUS (Status);
+    }
+
+    /* Parse the AML */
+
+    ACPI_DEBUG_PRINT ((ACPI_DB_PARSE, "*PARSE* pass %d parse\n", PassNumber));
+    Status = AcpiPsParseAml (WalkState);
+
+    AcpiPsDeleteParseTree (ParseRoot);
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiNsParseTable
+ *
+ * PARAMETERS:  TableDesc       - An ACPI table descriptor for table to parse
+ *              StartNode       - Where to enter the table into the namespace
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Parse AML within an ACPI table and return a tree of ops
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiNsParseTable (
+    ACPI_TABLE_DESC         *TableDesc,
+    ACPI_NAMESPACE_NODE     *StartNode)
+{
+    ACPI_STATUS             Status;
+
+
+    ACPI_FUNCTION_TRACE ("NsParseTable");
+
+
+    /*
+     * AML Parse, pass 1
+     *
+     * In this pass, we load most of the namespace.  Control methods
+     * are not parsed until later.  A parse tree is not created.  Instead,
+     * each Parser Op subtree is deleted when it is finished.  This saves
+     * a great deal of memory, and allows a small cache of parse objects
+     * to service the entire parse.  The second pass of the parse then
+     * performs another complete parse of the AML..
+     */
+    Status = AcpiNsOneCompleteParse (1, TableDesc);
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    /*
+     * AML Parse, pass 2
+     *
+     * In this pass, we resolve forward references and other things
+     * that could not be completed during the first pass.
+     * Another complete parse of the AML is performed, but the
+     * overhead of this is compensated for by the fact that the
+     * parse objects are all cached.
+     */
+    Status = AcpiNsOneCompleteParse (2, TableDesc);
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    return_ACPI_STATUS (Status);
+}
+
+#ifndef ACPI_NO_METHOD_EXECUTION
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiNsLoadTable
+ *
+ * PARAMETERS:  TableDesc       - Descriptor for table to be loaded
+ *              Node            - Owning NS node
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Load one ACPI table into the namespace
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiNsLoadTable (
+    ACPI_TABLE_DESC         *TableDesc,
+    ACPI_NAMESPACE_NODE     *Node)
+{
+    ACPI_STATUS             Status;
+
+
+    ACPI_FUNCTION_TRACE ("NsLoadTable");
+
+
+    /* Check if table contains valid AML (must be DSDT, PSDT, SSDT, etc.) */
+
+    if (!(AcpiGbl_AcpiTableData[TableDesc->Type].Flags & ACPI_TABLE_EXECUTABLE))
+    {
+        /* Just ignore this table */
+
+        return_ACPI_STATUS (AE_OK);
+    }
+
+    /* Check validity of the AML start and length */
+
+    if (!TableDesc->AmlStart)
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Null AML pointer\n"));
+        return_ACPI_STATUS (AE_BAD_PARAMETER);
+    }
+
+    ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "AML block at %p\n", TableDesc->AmlStart));
+
+    if (!TableDesc->AmlLength)
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Zero-length AML block\n"));
+        return_ACPI_STATUS (AE_BAD_PARAMETER);
+    }
+
+    /*
+     * Parse the table and load the namespace with all named
+     * objects found within.  Control methods are NOT parsed
+     * at this time.  In fact, the control methods cannot be
+     * parsed until the entire namespace is loaded, because
+     * if a control method makes a forward reference (call)
+     * to another control method, we can't continue parsing
+     * because we don't know how many arguments to parse next!
+     */
+    ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "**** Loading table into namespace ****\n"));
+
+    Status = AcpiUtAcquireMutex (ACPI_MTX_NAMESPACE);
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    Status = AcpiNsParseTable (TableDesc, Node->Child);
+    (void) AcpiUtReleaseMutex (ACPI_MTX_NAMESPACE);
+
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    /*
+     * Now we can parse the control methods.  We always parse
+     * them here for a sanity check, and if configured for
+     * just-in-time parsing, we delete the control method
+     * parse trees.
+     */
+    ACPI_DEBUG_PRINT ((ACPI_DB_INFO,
+        "**** Begin Table Method Parsing and Object Initialization ****\n"));
+
+    Status = AcpiDsInitializeObjects (TableDesc, Node);
+
+    ACPI_DEBUG_PRINT ((ACPI_DB_INFO,
+        "**** Completed Table Method Parsing and Object Initialization ****\n"));
+
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiNsLoadTableByType
+ *
+ * PARAMETERS:  TableType           - Id of the table type to load
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Load an ACPI table or tables into the namespace.  All tables
+ *              of the given type are loaded.  The mechanism allows this
+ *              routine to be called repeatedly.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiNsLoadTableByType (
+    ACPI_TABLE_TYPE         TableType)
+{
+    UINT32                  i;
+    ACPI_STATUS             Status;
+    ACPI_TABLE_DESC         *TableDesc;
+
+
+    ACPI_FUNCTION_TRACE ("NsLoadTableByType");
+
+
+    Status = AcpiUtAcquireMutex (ACPI_MTX_TABLES);
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    /*
+     * Table types supported are:
+     * DSDT (one), SSDT/PSDT (multiple)
+     */
+    switch (TableType)
+    {
+    case ACPI_TABLE_DSDT:
+
+        ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Loading DSDT\n"));
+
+        TableDesc = &AcpiGbl_AcpiTables[ACPI_TABLE_DSDT];
+
+        /* If table already loaded into namespace, just return */
+
+        if (TableDesc->LoadedIntoNamespace)
+        {
+            goto UnlockAndExit;
+        }
+
+        TableDesc->TableId = TABLE_ID_DSDT;
+
+        /* Now load the single DSDT */
+
+        Status = AcpiNsLoadTable (TableDesc, AcpiGbl_RootNode);
+        if (ACPI_SUCCESS (Status))
+        {
+            TableDesc->LoadedIntoNamespace = TRUE;
+        }
+
+        break;
+
+
+    case ACPI_TABLE_SSDT:
+
+        ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Loading %d SSDTs\n",
+            AcpiGbl_AcpiTables[ACPI_TABLE_SSDT].Count));
+
+        /*
+         * Traverse list of SSDT tables
+         */
+        TableDesc = &AcpiGbl_AcpiTables[ACPI_TABLE_SSDT];
+        for (i = 0; i < AcpiGbl_AcpiTables[ACPI_TABLE_SSDT].Count; i++)
+        {
+            /*
+             * Only attempt to load table if it is not
+             * already loaded!
+             */
+            if (!TableDesc->LoadedIntoNamespace)
+            {
+                Status = AcpiNsLoadTable (TableDesc, AcpiGbl_RootNode);
+                if (ACPI_FAILURE (Status))
+                {
+                    break;
+                }
+
+                TableDesc->LoadedIntoNamespace = TRUE;
+            }
+
+            TableDesc = TableDesc->Next;
+        }
+        break;
+
+
+    case ACPI_TABLE_PSDT:
+
+        ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Loading %d PSDTs\n",
+            AcpiGbl_AcpiTables[ACPI_TABLE_PSDT].Count));
+
+        /*
+         * Traverse list of PSDT tables
+         */
+        TableDesc = &AcpiGbl_AcpiTables[ACPI_TABLE_PSDT];
+
+        for (i = 0; i < AcpiGbl_AcpiTables[ACPI_TABLE_PSDT].Count; i++)
+        {
+            /* Only attempt to load table if it is not already loaded! */
+
+            if (!TableDesc->LoadedIntoNamespace)
+            {
+                Status = AcpiNsLoadTable (TableDesc, AcpiGbl_RootNode);
+                if (ACPI_FAILURE (Status))
+                {
+                    break;
+                }
+
+                TableDesc->LoadedIntoNamespace = TRUE;
+            }
+
+            TableDesc = TableDesc->Next;
+        }
+
+        break;
+
+
+    default:
+        Status = AE_SUPPORT;
+        break;
+    }
+
+
+UnlockAndExit:
+    (void) AcpiUtReleaseMutex (ACPI_MTX_TABLES);
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiLoadNamespace
+ *
+ * PARAMETERS:  None
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Load the name space from what ever is pointed to by DSDT.
+ *              (DSDT points to either the BIOS or a buffer.)
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiNsLoadNamespace (
+    void)
+{
+    ACPI_STATUS             Status;
+
+
+    ACPI_FUNCTION_TRACE ("AcpiLoadNameSpace");
+
+
+    /* There must be at least a DSDT installed */
+
+    if (AcpiGbl_DSDT == NULL)
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "DSDT is not in memory\n"));
+        return_ACPI_STATUS (AE_NO_ACPI_TABLES);
+    }
+
+    /*
+     * Load the namespace.  The DSDT is required,
+     * but the SSDT and PSDT tables are optional.
+     */
+    Status = AcpiNsLoadTableByType (ACPI_TABLE_DSDT);
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    /* Ignore exceptions from these */
+
+    (void) AcpiNsLoadTableByType (ACPI_TABLE_SSDT);
+    (void) AcpiNsLoadTableByType (ACPI_TABLE_PSDT);
+
+    ACPI_DEBUG_PRINT_RAW ((ACPI_DB_OK,
+        "ACPI Namespace successfully loaded at root %p\n",
+        AcpiGbl_RootNode));
+
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiNsDeleteSubtree
+ *
+ * PARAMETERS:  StartHandle         - Handle in namespace where search begins
+ *
+ * RETURNS      Status
+ *
+ * DESCRIPTION: Walks the namespace starting at the given handle and deletes
+ *              all objects, entries, and scopes in the entire subtree.
+ *
+ *              Namespace/Interpreter should be locked or the subsystem should
+ *              be in shutdown before this routine is called.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiNsDeleteSubtree (
+    ACPI_HANDLE             StartHandle)
+{
+    ACPI_STATUS             Status;
+    ACPI_HANDLE             ChildHandle;
+    ACPI_HANDLE             ParentHandle;
+    ACPI_HANDLE             NextChildHandle;
+    ACPI_HANDLE             Dummy;
+    UINT32                  Level;
+
+
+    ACPI_FUNCTION_TRACE ("NsDeleteSubtree");
+
+
+    ParentHandle = StartHandle;
+    ChildHandle  = 0;
+    Level        = 1;
+
+    /*
+     * Traverse the tree of objects until we bubble back up
+     * to where we started.
+     */
+    while (Level > 0)
+    {
+        /* Attempt to get the next object in this scope */
+
+        Status = AcpiGetNextObject (ACPI_TYPE_ANY, ParentHandle,
+                                    ChildHandle, &NextChildHandle);
+
+        ChildHandle = NextChildHandle;
+
+        /* Did we get a new object? */
+
+        if (ACPI_SUCCESS (Status))
+        {
+            /* Check if this object has any children */
+
+            if (ACPI_SUCCESS (AcpiGetNextObject (ACPI_TYPE_ANY, ChildHandle,
+                                    0, &Dummy)))
+            {
+                /*
+                 * There is at least one child of this object,
+                 * visit the object
+                 */
+                Level++;
+                ParentHandle = ChildHandle;
+                ChildHandle  = 0;
+            }
+        }
+        else
+        {
+            /*
+             * No more children in this object, go back up to
+             * the object's parent
+             */
+            Level--;
+
+            /* Delete all children now */
+
+            AcpiNsDeleteChildren (ChildHandle);
+
+            ChildHandle = ParentHandle;
+            Status = AcpiGetParent (ParentHandle, &ParentHandle);
+            if (ACPI_FAILURE (Status))
+            {
+                return_ACPI_STATUS (Status);
+            }
+        }
+    }
+
+    /* Now delete the starting object, and we are done */
+
+    AcpiNsDeleteNode (ChildHandle);
+
+    return_ACPI_STATUS (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ *  FUNCTION:       AcpiNsUnloadNameSpace
+ *
+ *  PARAMETERS:     Handle          - Root of namespace subtree to be deleted
+ *
+ *  RETURN:         Status
+ *
+ *  DESCRIPTION:    Shrinks the namespace, typically in response to an undocking
+ *                  event.  Deletes an entire subtree starting from (and
+ *                  including) the given handle.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiNsUnloadNamespace (
+    ACPI_HANDLE             Handle)
+{
+    ACPI_STATUS             Status;
+
+
+    ACPI_FUNCTION_TRACE ("NsUnloadNameSpace");
+
+
+    /* Parameter validation */
+
+    if (!AcpiGbl_RootNode)
+    {
+        return_ACPI_STATUS (AE_NO_NAMESPACE);
+    }
+
+    if (!Handle)
+    {
+        return_ACPI_STATUS (AE_BAD_PARAMETER);
+    }
+
+    /* This function does the real work */
+
+    Status = AcpiNsDeleteSubtree (Handle);
+
+    return_ACPI_STATUS (Status);
+}
+
+#endif
+
diff --git a/sys/contrib/dev/acpica/nsnames.c b/sys/contrib/dev/acpica/nsnames.c
new file mode 100644
index 0000000..09a51d2
--- /dev/null
+++ b/sys/contrib/dev/acpica/nsnames.c
@@ -0,0 +1,341 @@
+/*******************************************************************************
+ *
+ * Module Name: nsnames - Name manipulation and search
+ *              $Revision: 79 $
+ *
+ ******************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+#define __NSNAMES_C__
+
+#include "acpi.h"
+#include "amlcode.h"
+#include "acnamesp.h"
+
+
+#define _COMPONENT          ACPI_NAMESPACE
+        ACPI_MODULE_NAME    ("nsnames")
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiNsBuildExternalPath
+ *
+ * PARAMETERS:  Node            - NS node whose pathname is needed
+ *              Size            - Size of the pathname
+ *              *NameBuffer     - Where to return the pathname
+ *
+ * RETURN:      Places the pathname into the NameBuffer, in external format
+ *              (name segments separated by path separators)
+ *
+ * DESCRIPTION: Generate a full pathaname
+ *
+ ******************************************************************************/
+
+void
+AcpiNsBuildExternalPath (
+    ACPI_NAMESPACE_NODE     *Node,
+    ACPI_SIZE               Size,
+    NATIVE_CHAR             *NameBuffer)
+{
+    ACPI_SIZE               Index;
+    ACPI_NAMESPACE_NODE     *ParentNode;
+
+
+    ACPI_FUNCTION_NAME ("NsBuildExternalPath");
+
+
+    /* Special case for root */
+
+    Index = Size - 1;
+    if (Index < ACPI_NAME_SIZE)
+    {
+        NameBuffer[0] = AML_ROOT_PREFIX;
+        NameBuffer[1] = 0;
+        return;
+    }
+
+    /* Store terminator byte, then build name backwards */
+
+    ParentNode = Node;
+    NameBuffer[Index] = 0;
+
+    while ((Index > ACPI_NAME_SIZE) && (ParentNode != AcpiGbl_RootNode))
+    {
+        Index -= ACPI_NAME_SIZE;
+
+        /* Put the name into the buffer */
+
+        ACPI_MOVE_UNALIGNED32_TO_32 ((NameBuffer + Index), &ParentNode->Name);
+        ParentNode = AcpiNsGetParentNode (ParentNode);
+
+        /* Prefix name with the path separator */
+
+        Index--;
+        NameBuffer[Index] = PATH_SEPARATOR;
+    }
+
+    /* Overwrite final separator with the root prefix character */
+
+    NameBuffer[Index] = AML_ROOT_PREFIX;
+
+    if (Index != 0)
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+            "Could not construct pathname; index=%X, size=%X, Path=%s\n",
+            (UINT32) Index, (UINT32) Size, &NameBuffer[Size]));
+    }
+
+    return;
+}
+
+
+#ifdef ACPI_DEBUG_OUTPUT
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiNsGetExternalPathname
+ *
+ * PARAMETERS:  Node            - NS node whose pathname is needed
+ *
+ * RETURN:      Pointer to storage containing the fully qualified name of
+ *              the node, In external format (name segments separated by path
+ *              separators.)
+ *
+ * DESCRIPTION: Used for debug printing in AcpiNsSearchTable().
+ *
+ ******************************************************************************/
+
+NATIVE_CHAR *
+AcpiNsGetExternalPathname (
+    ACPI_NAMESPACE_NODE     *Node)
+{
+    NATIVE_CHAR             *NameBuffer;
+    ACPI_SIZE               Size;
+
+
+    ACPI_FUNCTION_TRACE_PTR ("NsGetExternalPathname", Node);
+
+
+    /* Calculate required buffer size based on depth below root */
+
+    Size = AcpiNsGetPathnameLength (Node);
+
+    /* Allocate a buffer to be returned to caller */
+
+    NameBuffer = ACPI_MEM_CALLOCATE (Size);
+    if (!NameBuffer)
+    {
+        ACPI_REPORT_ERROR (("NsGetTablePathname: allocation failure\n"));
+        return_PTR (NULL);
+    }
+
+    /* Build the path in the allocated buffer */
+
+    AcpiNsBuildExternalPath (Node, Size, NameBuffer);
+    return_PTR (NameBuffer);
+}
+#endif
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiNsGetPathnameLength
+ *
+ * PARAMETERS:  Node        - Namespace node
+ *
+ * RETURN:      Length of path, including prefix
+ *
+ * DESCRIPTION: Get the length of the pathname string for this node
+ *
+ ******************************************************************************/
+
+ACPI_SIZE
+AcpiNsGetPathnameLength (
+    ACPI_NAMESPACE_NODE     *Node)
+{
+    ACPI_SIZE               Size;
+    ACPI_NAMESPACE_NODE     *NextNode;
+
+
+    ACPI_FUNCTION_ENTRY ();
+
+
+    /*
+     * Compute length of pathname as 5 * number of name segments.
+     * Go back up the parent tree to the root
+     */
+    Size = 0;
+    NextNode = Node;
+
+    while (NextNode && (NextNode != AcpiGbl_RootNode))
+    {
+        Size += PATH_SEGMENT_LENGTH;
+        NextNode = AcpiNsGetParentNode (NextNode);
+    }
+
+    return (Size + 1);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiNsHandleToPathname
+ *
+ * PARAMETERS:  TargetHandle            - Handle of named object whose name is
+ *                                        to be found
+ *              Buffer                  - Where the pathname is returned
+ *
+ * RETURN:      Status, Buffer is filled with pathname if status is AE_OK
+ *
+ * DESCRIPTION: Build and return a full namespace pathname
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiNsHandleToPathname (
+    ACPI_HANDLE             TargetHandle,
+    ACPI_BUFFER             *Buffer)
+{
+    ACPI_STATUS             Status;
+    ACPI_NAMESPACE_NODE     *Node;
+    ACPI_SIZE               RequiredSize;
+
+
+    ACPI_FUNCTION_TRACE_PTR ("NsHandleToPathname", TargetHandle);
+
+
+    Node = AcpiNsMapHandleToNode (TargetHandle);
+    if (!Node)
+    {
+        return_ACPI_STATUS (AE_BAD_PARAMETER);
+    }
+
+    /* Determine size required for the caller buffer */
+
+    RequiredSize = AcpiNsGetPathnameLength (Node);
+
+    /* Validate/Allocate/Clear caller buffer */
+
+    Status = AcpiUtInitializeBuffer (Buffer, RequiredSize);
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    /* Build the path in the caller buffer */
+
+    AcpiNsBuildExternalPath (Node, RequiredSize, Buffer->Pointer);
+
+    ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "%s [%X] \n", (char *) Buffer->Pointer, (UINT32) RequiredSize));
+    return_ACPI_STATUS (AE_OK);
+}
+
+
diff --git a/sys/contrib/dev/acpica/nsobject.c b/sys/contrib/dev/acpica/nsobject.c
new file mode 100644
index 0000000..ec30880
--- /dev/null
+++ b/sys/contrib/dev/acpica/nsobject.c
@@ -0,0 +1,562 @@
+/*******************************************************************************
+ *
+ * Module Name: nsobject - Utilities for objects attached to namespace
+ *                         table entries
+ *              $Revision: 85 $
+ *
+ ******************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+
+#define __NSOBJECT_C__
+
+#include "acpi.h"
+#include "acnamesp.h"
+
+
+#define _COMPONENT          ACPI_NAMESPACE
+        ACPI_MODULE_NAME    ("nsobject")
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiNsAttachObject
+ *
+ * PARAMETERS:  Node                - Parent Node
+ *              Object              - Object to be attached
+ *              Type                - Type of object, or ACPI_TYPE_ANY if not
+ *                                    known
+ *
+ * DESCRIPTION: Record the given object as the value associated with the
+ *              name whose ACPI_HANDLE is passed.  If Object is NULL
+ *              and Type is ACPI_TYPE_ANY, set the name as having no value.
+ *              Note: Future may require that the Node->Flags field be passed
+ *              as a parameter.
+ *
+ * MUTEX:       Assumes namespace is locked
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiNsAttachObject (
+    ACPI_NAMESPACE_NODE     *Node,
+    ACPI_OPERAND_OBJECT     *Object,
+    ACPI_OBJECT_TYPE        Type)
+{
+    ACPI_OPERAND_OBJECT     *ObjDesc;
+    ACPI_OPERAND_OBJECT     *LastObjDesc;
+    ACPI_OBJECT_TYPE        ObjectType = ACPI_TYPE_ANY;
+
+
+    ACPI_FUNCTION_TRACE ("NsAttachObject");
+
+
+    /*
+     * Parameter validation
+     */
+    if (!Node)
+    {
+        /* Invalid handle */
+
+        ACPI_REPORT_ERROR (("NsAttachObject: Null NamedObj handle\n"));
+        return_ACPI_STATUS (AE_BAD_PARAMETER);
+    }
+
+    if (!Object && (ACPI_TYPE_ANY != Type))
+    {
+        /* Null object */
+
+        ACPI_REPORT_ERROR (("NsAttachObject: Null object, but type not ACPI_TYPE_ANY\n"));
+        return_ACPI_STATUS (AE_BAD_PARAMETER);
+    }
+
+    if (ACPI_GET_DESCRIPTOR_TYPE (Node) != ACPI_DESC_TYPE_NAMED)
+    {
+        /* Not a name handle */
+
+        ACPI_REPORT_ERROR (("NsAttachObject: Invalid handle\n"));
+        return_ACPI_STATUS (AE_BAD_PARAMETER);
+    }
+
+    /* Check if this object is already attached */
+
+    if (Node->Object == Object)
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Obj %p already installed in NameObj %p\n",
+            Object, Node));
+
+        return_ACPI_STATUS (AE_OK);
+    }
+
+    /* If null object, we will just install it */
+
+    if (!Object)
+    {
+        ObjDesc    = NULL;
+        ObjectType = ACPI_TYPE_ANY;
+    }
+
+    /*
+     * If the source object is a namespace Node with an attached object,
+     * we will use that (attached) object
+     */
+    else if ((ACPI_GET_DESCRIPTOR_TYPE (Object) == ACPI_DESC_TYPE_NAMED) &&
+            ((ACPI_NAMESPACE_NODE *) Object)->Object)
+    {
+        /*
+         * Value passed is a name handle and that name has a
+         * non-null value.  Use that name's value and type.
+         */
+        ObjDesc    = ((ACPI_NAMESPACE_NODE *) Object)->Object;
+        ObjectType = ((ACPI_NAMESPACE_NODE *) Object)->Type;
+    }
+
+    /*
+     * Otherwise, we will use the parameter object, but we must type
+     * it first
+     */
+    else
+    {
+        ObjDesc = (ACPI_OPERAND_OBJECT  *) Object;
+
+        /* Use the given type */
+
+        ObjectType = Type;
+    }
+
+    ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Installing %p into Node %p [%4.4s]\n",
+        ObjDesc, Node, Node->Name.Ascii));
+
+    /* Detach an existing attached object if present */
+
+    if (Node->Object)
+    {
+        AcpiNsDetachObject (Node);
+    }
+
+    if (ObjDesc)
+    {
+        /*
+         * Must increment the new value's reference count
+         * (if it is an internal object)
+         */
+        AcpiUtAddReference (ObjDesc);
+
+        /*
+         * Handle objects with multiple descriptors - walk
+         * to the end of the descriptor list
+         */
+        LastObjDesc = ObjDesc;
+        while (LastObjDesc->Common.NextObject)
+        {
+            LastObjDesc = LastObjDesc->Common.NextObject;
+        }
+
+        /* Install the object at the front of the object list */
+
+        LastObjDesc->Common.NextObject = Node->Object;
+    }
+
+    Node->Type     = (UINT8) ObjectType;
+    Node->Object   = ObjDesc;
+
+    return_ACPI_STATUS (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiNsDetachObject
+ *
+ * PARAMETERS:  Node           - An node whose object will be detached
+ *
+ * RETURN:      None.
+ *
+ * DESCRIPTION: Detach/delete an object associated with a namespace node.  
+ *              if the object is an allocated object, it is freed.
+ *              Otherwise, the field is simply cleared.
+ *
+ ******************************************************************************/
+
+void
+AcpiNsDetachObject (
+    ACPI_NAMESPACE_NODE     *Node)
+{
+    ACPI_OPERAND_OBJECT     *ObjDesc;
+
+
+    ACPI_FUNCTION_TRACE ("NsDetachObject");
+
+
+    ObjDesc = Node->Object;
+
+    if (!ObjDesc ||
+        (ACPI_GET_OBJECT_TYPE (ObjDesc) == ACPI_TYPE_LOCAL_DATA))
+    {
+        return_VOID;
+    }
+
+    /* Clear the entry in all cases */
+
+    Node->Object = NULL;
+    if (ACPI_GET_DESCRIPTOR_TYPE (ObjDesc) == ACPI_DESC_TYPE_OPERAND)
+    {
+        Node->Object = ObjDesc->Common.NextObject;
+        if (Node->Object &&
+           (ACPI_GET_OBJECT_TYPE (Node->Object) != ACPI_TYPE_LOCAL_DATA))
+        {
+            Node->Object = Node->Object->Common.NextObject;
+        }
+    }
+
+    /* Reset the node type to untyped */
+
+    Node->Type = ACPI_TYPE_ANY;
+
+    ACPI_DEBUG_PRINT ((ACPI_DB_NAMES, "Node %p [%4.4s] Object %p\n",
+        Node, Node->Name.Ascii, ObjDesc));
+
+    /* Remove one reference on the object (and all subobjects) */
+
+    AcpiUtRemoveReference (ObjDesc);
+    return_VOID;
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiNsGetAttachedObject
+ *
+ * PARAMETERS:  Node             - Parent Node to be examined
+ *
+ * RETURN:      Current value of the object field from the Node whose
+ *              handle is passed
+ *
+ * DESCRIPTION: Obtain the object attached to a namespace node.
+ *
+ ******************************************************************************/
+
+ACPI_OPERAND_OBJECT *
+AcpiNsGetAttachedObject (
+    ACPI_NAMESPACE_NODE     *Node)
+{
+    ACPI_FUNCTION_TRACE_PTR ("NsGetAttachedObject", Node);
+
+
+    if (!Node)
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_WARN, "Null Node ptr\n"));
+        return_PTR (NULL);
+    }
+
+    if (!Node->Object ||
+            ((ACPI_GET_DESCRIPTOR_TYPE (Node->Object) != ACPI_DESC_TYPE_OPERAND) &&
+             (ACPI_GET_DESCRIPTOR_TYPE (Node->Object) != ACPI_DESC_TYPE_NAMED))  ||
+        (ACPI_GET_OBJECT_TYPE (Node->Object) == ACPI_TYPE_LOCAL_DATA))
+    {
+        return_PTR (NULL);
+    }
+
+    return_PTR (Node->Object);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiNsGetSecondaryObject
+ *
+ * PARAMETERS:  Node             - Parent Node to be examined
+ *
+ * RETURN:      Current value of the object field from the Node whose
+ *              handle is passed.
+ *
+ * DESCRIPTION: Obtain a secondary object associated with a namespace node.
+ *
+ ******************************************************************************/
+
+ACPI_OPERAND_OBJECT *
+AcpiNsGetSecondaryObject (
+    ACPI_OPERAND_OBJECT     *ObjDesc)
+{
+    ACPI_FUNCTION_TRACE_PTR ("NsGetSecondaryObject", ObjDesc);
+
+
+    if ((!ObjDesc)                                                ||
+        (ACPI_GET_OBJECT_TYPE (ObjDesc) == ACPI_TYPE_LOCAL_DATA)  ||
+        (!ObjDesc->Common.NextObject)                             ||
+        (ACPI_GET_OBJECT_TYPE (ObjDesc->Common.NextObject) == ACPI_TYPE_LOCAL_DATA))
+    {
+        return_PTR (NULL);
+    }
+
+    return_PTR (ObjDesc->Common.NextObject);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiNsAttachData
+ *
+ * PARAMETERS:  Node            - Namespace node
+ *              Handler         - Handler to be associated with the data
+ *              Data            - Data to be attached
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Low-level attach data.  Create and attach a Data object.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiNsAttachData (
+    ACPI_NAMESPACE_NODE     *Node,
+    ACPI_OBJECT_HANDLER     Handler,
+    void                    *Data)
+{
+    ACPI_OPERAND_OBJECT     *PrevObjDesc;
+    ACPI_OPERAND_OBJECT     *ObjDesc;
+    ACPI_OPERAND_OBJECT     *DataDesc;
+
+
+    /* We only allow one attachment per handler */
+
+    PrevObjDesc = NULL;
+    ObjDesc = Node->Object;
+    while (ObjDesc)
+    {
+        if ((ACPI_GET_OBJECT_TYPE (ObjDesc) == ACPI_TYPE_LOCAL_DATA) &&
+            (ObjDesc->Data.Handler == Handler))
+        {
+            return (AE_ALREADY_EXISTS);
+        }
+
+        PrevObjDesc = ObjDesc;
+        ObjDesc = ObjDesc->Common.NextObject;
+    }
+
+    /* Create an internal object for the data */
+
+    DataDesc = AcpiUtCreateInternalObject (ACPI_TYPE_LOCAL_DATA);
+    if (!DataDesc)
+    {
+        return (AE_NO_MEMORY);
+    }
+
+    DataDesc->Data.Handler = Handler;
+    DataDesc->Data.Pointer = Data;
+
+    /* Install the data object */
+
+    if (PrevObjDesc)
+    {
+        PrevObjDesc->Common.NextObject = DataDesc;
+    }
+    else
+    {
+        Node->Object = DataDesc;
+    }
+
+    return (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiNsDetachData
+ *
+ * PARAMETERS:  Node            - Namespace node
+ *              Handler         - Handler associated with the data
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Low-level detach data.  Delete the data node, but the caller
+ *              is responsible for the actual data.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiNsDetachData (
+    ACPI_NAMESPACE_NODE     *Node,
+    ACPI_OBJECT_HANDLER     Handler)
+{
+    ACPI_OPERAND_OBJECT     *ObjDesc;
+    ACPI_OPERAND_OBJECT     *PrevObjDesc;
+
+
+    PrevObjDesc = NULL;
+    ObjDesc = Node->Object;
+    while (ObjDesc)
+    {
+        if ((ACPI_GET_OBJECT_TYPE (ObjDesc) == ACPI_TYPE_LOCAL_DATA) &&
+            (ObjDesc->Data.Handler == Handler))
+        {
+            if (PrevObjDesc)
+            {
+                PrevObjDesc->Common.NextObject = ObjDesc->Common.NextObject;
+            }
+            else
+            {
+                Node->Object = ObjDesc->Common.NextObject;
+            }
+
+            AcpiUtRemoveReference (ObjDesc);
+            return (AE_OK);
+        }
+
+        PrevObjDesc = ObjDesc;
+        ObjDesc = ObjDesc->Common.NextObject;
+    }
+
+    return (AE_NOT_FOUND);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiNsGetAttachedData
+ *
+ * PARAMETERS:  Node            - Namespace node
+ *              Handler         - Handler associated with the data
+ *              Data            - Where the data is returned
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Low level interface to obtain data previously associated with
+ *              a namespace node.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiNsGetAttachedData (
+    ACPI_NAMESPACE_NODE     *Node,
+    ACPI_OBJECT_HANDLER     Handler,
+    void                    **Data)
+{
+    ACPI_OPERAND_OBJECT     *ObjDesc;
+
+
+    ObjDesc = Node->Object;
+    while (ObjDesc)
+    {
+        if ((ACPI_GET_OBJECT_TYPE (ObjDesc) == ACPI_TYPE_LOCAL_DATA) &&
+            (ObjDesc->Data.Handler == Handler))
+        {
+            *Data = ObjDesc->Data.Pointer;
+            return (AE_OK);
+        }
+
+        ObjDesc = ObjDesc->Common.NextObject;
+    }
+
+    return (AE_NOT_FOUND);
+}
+
+
diff --git a/sys/contrib/dev/acpica/nssearch.c b/sys/contrib/dev/acpica/nssearch.c
new file mode 100644
index 0000000..4b7819d
--- /dev/null
+++ b/sys/contrib/dev/acpica/nssearch.c
@@ -0,0 +1,460 @@
+/*******************************************************************************
+ *
+ * Module Name: nssearch - Namespace search
+ *              $Revision: 92 $
+ *
+ ******************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+#define __NSSEARCH_C__
+
+#include "acpi.h"
+#include "acnamesp.h"
+
+
+#define _COMPONENT          ACPI_NAMESPACE
+        ACPI_MODULE_NAME    ("nssearch")
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiNsSearchNode
+ *
+ * PARAMETERS:  *TargetName         - Ascii ACPI name to search for
+ *              *Node               - Starting node where search will begin
+ *              Type                - Object type to match
+ *              **ReturnNode        - Where the matched Named obj is returned
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Search a single level of the namespace.  Performs a 
+ *              simple search of the specified level, and does not add 
+ *              entries or search parents.
+ *
+ *
+ *      Named object lists are built (and subsequently dumped) in the
+ *      order in which the names are encountered during the namespace load;
+ *
+ *      All namespace searching is linear in this implementation, but
+ *      could be easily modified to support any improved search
+ *      algorithm.  However, the linear search was chosen for simplicity
+ *      and because the trees are small and the other interpreter
+ *      execution overhead is relatively high.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiNsSearchNode (
+    UINT32                  TargetName,
+    ACPI_NAMESPACE_NODE     *Node,
+    ACPI_OBJECT_TYPE        Type,
+    ACPI_NAMESPACE_NODE     **ReturnNode)
+{
+    ACPI_NAMESPACE_NODE     *NextNode;
+
+
+    ACPI_FUNCTION_TRACE ("NsSearchNode");
+
+
+#ifdef ACPI_DEBUG_OUTPUT
+    if (ACPI_LV_NAMES & AcpiDbgLevel)
+    {
+        NATIVE_CHAR         *ScopeName;
+
+        ScopeName = AcpiNsGetExternalPathname (Node);
+        if (ScopeName)
+        {
+            ACPI_DEBUG_PRINT ((ACPI_DB_NAMES, "Searching %s [%p] For %4.4s (%s)\n",
+                ScopeName, Node, (char *) &TargetName, AcpiUtGetTypeName (Type)));
+
+            ACPI_MEM_FREE (ScopeName);
+        }
+    }
+#endif
+
+    /*
+     * Search for name at this namespace level, which is to say that we 
+     * must search for the name among the children of this object
+     */
+    NextNode = Node->Child;
+    while (NextNode)
+    {
+        /* Check for match against the name */
+
+        if (NextNode->Name.Integer == TargetName)
+        {
+            /*
+             * Found matching entry.
+             */
+            ACPI_DEBUG_PRINT ((ACPI_DB_NAMES,
+                "Name %4.4s Type [%s] found at %p\n",
+                (char *) &TargetName, AcpiUtGetTypeName (NextNode->Type), NextNode));
+
+            *ReturnNode = NextNode;
+            return_ACPI_STATUS (AE_OK);
+        }
+
+        /*
+         * The last entry in the list points back to the parent,
+         * so a flag is used to indicate the end-of-list
+         */
+        if (NextNode->Flags & ANOBJ_END_OF_PEER_LIST)
+        {
+            /* Searched entire list, we are done */
+
+            break;
+        }
+
+        /* Didn't match name, move on to the next peer object */
+
+        NextNode = NextNode->Peer;
+    }
+
+    /* Searched entire namespace level, not found */
+
+    ACPI_DEBUG_PRINT ((ACPI_DB_NAMES, "Name %4.4s Type [%s] not found at %p\n",
+        (char *) &TargetName, AcpiUtGetTypeName (Type), NextNode));
+
+    return_ACPI_STATUS (AE_NOT_FOUND);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiNsSearchParentTree
+ *
+ * PARAMETERS:  *TargetName         - Ascii ACPI name to search for
+ *              *Node               - Starting node where search will begin
+ *              Type                - Object type to match
+ *              **ReturnNode        - Where the matched Named Obj is returned
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Called when a name has not been found in the current namespace
+ *              level.  Before adding it or giving up, ACPI scope rules require
+ *              searching enclosing scopes in cases identified by AcpiNsLocal().
+ *
+ *              "A name is located by finding the matching name in the current
+ *              name space, and then in the parent name space. If the parent
+ *              name space does not contain the name, the search continues
+ *              recursively until either the name is found or the name space
+ *              does not have a parent (the root of the name space).  This
+ *              indicates that the name is not found" (From ACPI Specification,
+ *              section 5.3)
+ *
+ ******************************************************************************/
+
+static ACPI_STATUS
+AcpiNsSearchParentTree (
+    UINT32                  TargetName,
+    ACPI_NAMESPACE_NODE     *Node,
+    ACPI_OBJECT_TYPE        Type,
+    ACPI_NAMESPACE_NODE     **ReturnNode)
+{
+    ACPI_STATUS             Status;
+    ACPI_NAMESPACE_NODE     *ParentNode;
+
+
+    ACPI_FUNCTION_TRACE ("NsSearchParentTree");
+
+
+    ParentNode = AcpiNsGetParentNode (Node);
+
+    /*
+     * If there is no parent (i.e., we are at the root) or 
+     * type is "local", we won't be searching the parent tree.
+     */
+    if (!ParentNode)
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_NAMES, "[%4.4s] has no parent\n",
+            (char *) &TargetName));
+         return_ACPI_STATUS (AE_NOT_FOUND);
+    }
+
+    if (AcpiNsLocal (Type))
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_NAMES,
+            "[%4.4s] type [%s] must be local to this scope (no parent search)\n",
+            (char *) &TargetName, AcpiUtGetTypeName (Type)));
+        return_ACPI_STATUS (AE_NOT_FOUND);
+    }
+
+    /* Search the parent tree */
+
+    ACPI_DEBUG_PRINT ((ACPI_DB_NAMES, "Searching parent for %4.4s\n", (char *) &TargetName));
+
+    /*
+     * Search parents until found the target or we have backed up to
+     * the root
+     */
+    while (ParentNode)
+    {
+        /*
+         * Search parent scope.  Use TYPE_ANY because we don't care about the
+         * object type at this point, we only care about the existence of
+         * the actual name we are searching for.  Typechecking comes later.
+         */
+        Status = AcpiNsSearchNode (TargetName, ParentNode,
+                                        ACPI_TYPE_ANY, ReturnNode);
+        if (ACPI_SUCCESS (Status))
+        {
+            return_ACPI_STATUS (Status);
+        }
+
+        /*
+         * Not found here, go up another level
+         * (until we reach the root)
+         */
+        ParentNode = AcpiNsGetParentNode (ParentNode);
+    }
+
+    /* Not found in parent tree */
+
+    return_ACPI_STATUS (AE_NOT_FOUND);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiNsSearchAndEnter
+ *
+ * PARAMETERS:  TargetName          - Ascii ACPI name to search for (4 chars)
+ *              WalkState           - Current state of the walk
+ *              *Node               - Starting node where search will begin
+ *              InterpreterMode     - Add names only in ACPI_MODE_LOAD_PASS_x.
+ *                                    Otherwise,search only.
+ *              Type                - Object type to match
+ *              Flags               - Flags describing the search restrictions
+ *              **ReturnNode        - Where the Node is returned
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Search for a name segment in a single namespace level,
+ *              optionally adding it if it is not found.  If the passed
+ *              Type is not Any and the type previously stored in the
+ *              entry was Any (i.e. unknown), update the stored type.
+ *
+ *              In ACPI_IMODE_EXECUTE, search only.
+ *              In other modes, search and add if not found.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiNsSearchAndEnter (
+    UINT32                  TargetName,
+    ACPI_WALK_STATE         *WalkState,
+    ACPI_NAMESPACE_NODE     *Node,
+    ACPI_INTERPRETER_MODE   InterpreterMode,
+    ACPI_OBJECT_TYPE        Type,
+    UINT32                  Flags,
+    ACPI_NAMESPACE_NODE     **ReturnNode)
+{
+    ACPI_STATUS             Status;
+    ACPI_NAMESPACE_NODE     *NewNode;
+
+
+    ACPI_FUNCTION_TRACE ("NsSearchAndEnter");
+
+
+    /* Parameter validation */
+
+    if (!Node || !TargetName || !ReturnNode)
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Null param: Node %p Name %X ReturnNode %p\n",
+            Node, TargetName, ReturnNode));
+
+        ACPI_REPORT_ERROR (("NsSearchAndEnter: Null parameter\n"));
+        return_ACPI_STATUS (AE_BAD_PARAMETER);
+    }
+
+    /* Name must consist of printable characters */
+
+    if (!AcpiUtValidAcpiName (TargetName))
+    {
+        ACPI_REPORT_ERROR (("NsSearchAndEnter: Bad character in ACPI Name: %X\n", 
+            TargetName));
+        return_ACPI_STATUS (AE_BAD_CHARACTER);
+    }
+
+    /* Try to find the name in the namespace level specified by the caller */
+
+    *ReturnNode = ACPI_ENTRY_NOT_FOUND;
+    Status = AcpiNsSearchNode (TargetName, Node, Type, ReturnNode);
+    if (Status != AE_NOT_FOUND)
+    {
+        /*
+         * If we found it AND the request specifies that a find is an error,
+         * return the error
+         */
+        if ((Status == AE_OK) &&
+            (Flags & ACPI_NS_ERROR_IF_FOUND))
+        {
+            Status = AE_ALREADY_EXISTS;
+        }
+
+        /*
+         * Either found it or there was an error
+         * -- finished either way
+         */
+        return_ACPI_STATUS (Status);
+    }
+
+    /*
+     * The name was not found.  If we are NOT performing the
+     * first pass (name entry) of loading the namespace, search
+     * the parent tree (all the way to the root if necessary.)
+     * We don't want to perform the parent search when the
+     * namespace is actually being loaded.  We want to perform
+     * the search when namespace references are being resolved
+     * (load pass 2) and during the execution phase.
+     */
+    if ((InterpreterMode != ACPI_IMODE_LOAD_PASS1) &&
+        (Flags & ACPI_NS_SEARCH_PARENT))
+    {
+        /*
+         * Not found at this level - search parent tree according
+         * to ACPI specification
+         */
+        Status = AcpiNsSearchParentTree (TargetName, Node,
+                                            Type, ReturnNode);
+        if (ACPI_SUCCESS (Status))
+        {
+            return_ACPI_STATUS (Status);
+        }
+    }
+
+    /*
+     * In execute mode, just search, never add names.  Exit now.
+     */
+    if (InterpreterMode == ACPI_IMODE_EXECUTE)
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_NAMES, "%4.4s Not found in %p [Not adding]\n",
+            (char *) &TargetName, Node));
+
+        return_ACPI_STATUS (AE_NOT_FOUND);
+    }
+
+    /* Create the new named object */
+
+    NewNode = AcpiNsCreateNode (TargetName);
+    if (!NewNode)
+    {
+        return_ACPI_STATUS (AE_NO_MEMORY);
+    }
+
+    /* Install the new object into the parent's list of children */
+
+    AcpiNsInstallNode (WalkState, Node, NewNode, Type);
+    *ReturnNode = NewNode;
+
+    return_ACPI_STATUS (AE_OK);
+}
+
diff --git a/sys/contrib/dev/acpica/nsutils.c b/sys/contrib/dev/acpica/nsutils.c
new file mode 100644
index 0000000..69ed423
--- /dev/null
+++ b/sys/contrib/dev/acpica/nsutils.c
@@ -0,0 +1,1116 @@
+/******************************************************************************
+ *
+ * Module Name: nsutils - Utilities for accessing ACPI namespace, accessing
+ *                        parents and siblings and Scope manipulation
+ *              $Revision: 116 $
+ *
+ *****************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+#define __NSUTILS_C__
+
+#include "acpi.h"
+#include "acnamesp.h"
+#include "amlcode.h"
+#include "actables.h"
+
+#define _COMPONENT          ACPI_NAMESPACE
+        ACPI_MODULE_NAME    ("nsutils")
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiNsReportError
+ *
+ * PARAMETERS:  ModuleName          - Caller's module name (for error output)
+ *              LineNumber          - Caller's line number (for error output)
+ *              ComponentId         - Caller's component ID (for error output)
+ *              Message             - Error message to use on failure
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Print warning message with full pathname
+ *
+ ******************************************************************************/
+
+void
+AcpiNsReportError (
+    NATIVE_CHAR             *ModuleName,
+    UINT32                  LineNumber,
+    UINT32                  ComponentId,
+    char                    *InternalName,
+    ACPI_STATUS             LookupStatus)
+{
+    ACPI_STATUS             Status;
+    char                    *Name;
+
+    
+    /* Convert path to external format */
+
+    Status = AcpiNsExternalizeName (ACPI_UINT32_MAX, InternalName, NULL, &Name);
+
+    AcpiOsPrintf ("%8s-%04d: *** Error: Looking up ", 
+        ModuleName, LineNumber);
+
+    /* Print target name */
+
+    if (ACPI_SUCCESS (Status))
+    {
+        AcpiOsPrintf ("[%s]", Name);
+    }
+    else
+    {
+        AcpiOsPrintf ("[COULD NOT EXTERNALIZE NAME]");
+    }
+
+    AcpiOsPrintf (" in namespace, %s\n", 
+        AcpiFormatException (LookupStatus));
+
+    if (Name)
+    {
+        ACPI_MEM_FREE (Name);
+    }
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiNsValidRootPrefix
+ *
+ * PARAMETERS:  Prefix          - Character to be checked
+ *
+ * RETURN:      TRUE if a valid prefix
+ *
+ * DESCRIPTION: Check if a character is a valid ACPI Root prefix
+ *
+ ******************************************************************************/
+
+BOOLEAN
+AcpiNsValidRootPrefix (
+    NATIVE_CHAR             Prefix)
+{
+
+    return ((BOOLEAN) (Prefix == '\\'));
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiNsValidPathSeparator
+ *
+ * PARAMETERS:  Sep              - Character to be checked
+ *
+ * RETURN:      TRUE if a valid path separator
+ *
+ * DESCRIPTION: Check if a character is a valid ACPI path separator
+ *
+ ******************************************************************************/
+
+BOOLEAN
+AcpiNsValidPathSeparator (
+    NATIVE_CHAR             Sep)
+{
+
+    return ((BOOLEAN) (Sep == '.'));
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiNsGetType
+ *
+ * PARAMETERS:  Handle              - Parent Node to be examined
+ *
+ * RETURN:      Type field from Node whose handle is passed
+ *
+ ******************************************************************************/
+
+ACPI_OBJECT_TYPE
+AcpiNsGetType (
+    ACPI_NAMESPACE_NODE     *Node)
+{
+    ACPI_FUNCTION_TRACE ("NsGetType");
+
+
+    if (!Node)
+    {
+        ACPI_REPORT_WARNING (("NsGetType: Null Node ptr"));
+        return_VALUE (ACPI_TYPE_ANY);
+    }
+
+    return_VALUE ((ACPI_OBJECT_TYPE) Node->Type);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiNsLocal
+ *
+ * PARAMETERS:  Type            - A namespace object type
+ *
+ * RETURN:      LOCAL if names must be found locally in objects of the
+ *              passed type, 0 if enclosing scopes should be searched
+ *
+ ******************************************************************************/
+
+UINT32
+AcpiNsLocal (
+    ACPI_OBJECT_TYPE        Type)
+{
+    ACPI_FUNCTION_TRACE ("NsLocal");
+
+
+    if (!AcpiUtValidObjectType (Type))
+    {
+        /* Type code out of range  */
+
+        ACPI_REPORT_WARNING (("NsLocal: Invalid Object Type\n"));
+        return_VALUE (ACPI_NS_NORMAL);
+    }
+
+    return_VALUE ((UINT32) AcpiGbl_NsProperties[Type] & ACPI_NS_LOCAL);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiNsGetInternalNameLength
+ *
+ * PARAMETERS:  Info            - Info struct initialized with the
+ *                                external name pointer.
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Calculate the length of the internal (AML) namestring
+ *              corresponding to the external (ASL) namestring.
+ *
+ ******************************************************************************/
+
+void
+AcpiNsGetInternalNameLength (
+    ACPI_NAMESTRING_INFO    *Info)
+{
+    NATIVE_CHAR             *NextExternalChar;
+    UINT32                  i;
+
+
+    ACPI_FUNCTION_ENTRY ();
+
+
+    NextExternalChar = Info->ExternalName;
+    Info->NumCarats = 0;
+    Info->NumSegments = 0;
+    Info->FullyQualified = FALSE;
+
+    /*
+     * For the internal name, the required length is 4 bytes
+     * per segment, plus 1 each for RootPrefix, MultiNamePrefixOp,
+     * segment count, trailing null (which is not really needed,
+     * but no there's harm in putting it there)
+     *
+     * strlen() + 1 covers the first NameSeg, which has no
+     * path separator
+     */
+    if (AcpiNsValidRootPrefix (NextExternalChar[0]))
+    {
+        Info->FullyQualified = TRUE;
+        NextExternalChar++;
+    }
+    else
+    {
+        /*
+         * Handle Carat prefixes
+         */
+        while (*NextExternalChar == '^')
+        {
+            Info->NumCarats++;
+            NextExternalChar++;
+        }
+    }
+
+    /*
+     * Determine the number of ACPI name "segments" by counting
+     * the number of path separators within the string.  Start
+     * with one segment since the segment count is (# separators)
+     * + 1, and zero separators is ok.
+     */
+    if (*NextExternalChar)
+    {
+        Info->NumSegments = 1;
+        for (i = 0; NextExternalChar[i]; i++)
+        {
+            if (AcpiNsValidPathSeparator (NextExternalChar[i]))
+            {
+                Info->NumSegments++;
+            }
+        }
+    }
+
+    Info->Length = (ACPI_NAME_SIZE * Info->NumSegments) +
+                    4 + Info->NumCarats;
+
+    Info->NextExternalChar = NextExternalChar;
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiNsBuildInternalName
+ *
+ * PARAMETERS:  Info            - Info struct fully initialized
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Construct the internal (AML) namestring
+ *              corresponding to the external (ASL) namestring.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiNsBuildInternalName (
+    ACPI_NAMESTRING_INFO    *Info)
+{
+    UINT32                  NumSegments = Info->NumSegments;
+    NATIVE_CHAR             *InternalName = Info->InternalName;
+    NATIVE_CHAR             *ExternalName = Info->NextExternalChar;
+    NATIVE_CHAR             *Result = NULL;
+    NATIVE_UINT             i;
+
+
+    ACPI_FUNCTION_TRACE ("NsBuildInternalName");
+
+
+    /* Setup the correct prefixes, counts, and pointers */
+
+    if (Info->FullyQualified)
+    {
+        InternalName[0] = '\\';
+
+        if (NumSegments <= 1)
+        {
+            Result = &InternalName[1];
+        }
+        else if (NumSegments == 2)
+        {
+            InternalName[1] = AML_DUAL_NAME_PREFIX;
+            Result = &InternalName[2];
+        }
+        else
+        {
+            InternalName[1] = AML_MULTI_NAME_PREFIX_OP;
+            InternalName[2] = (char) NumSegments;
+            Result = &InternalName[3];
+        }
+    }
+    else
+    {
+        /*
+         * Not fully qualified.
+         * Handle Carats first, then append the name segments
+         */
+        i = 0;
+        if (Info->NumCarats)
+        {
+            for (i = 0; i < Info->NumCarats; i++)
+            {
+                InternalName[i] = '^';
+            }
+        }
+
+        if (NumSegments <= 1)
+        {
+            Result = &InternalName[i];
+        }
+        else if (NumSegments == 2)
+        {
+            InternalName[i] = AML_DUAL_NAME_PREFIX;
+            Result = &InternalName[i+1];
+        }
+        else
+        {
+            InternalName[i] = AML_MULTI_NAME_PREFIX_OP;
+            InternalName[i+1] = (char) NumSegments;
+            Result = &InternalName[i+2];
+        }
+    }
+
+    /* Build the name (minus path separators) */
+
+    for (; NumSegments; NumSegments--)
+    {
+        for (i = 0; i < ACPI_NAME_SIZE; i++)
+        {
+            if (AcpiNsValidPathSeparator (*ExternalName) ||
+               (*ExternalName == 0))
+            {
+                /* Pad the segment with underscore(s) if segment is short */
+
+                Result[i] = '_';
+            }
+            else
+            {
+                /* Convert the character to uppercase and save it */
+
+                Result[i] = (char) ACPI_TOUPPER ((int) *ExternalName);
+                ExternalName++;
+            }
+        }
+
+        /* Now we must have a path separator, or the pathname is bad */
+
+        if (!AcpiNsValidPathSeparator (*ExternalName) &&
+            (*ExternalName != 0))
+        {
+            return_ACPI_STATUS (AE_BAD_PARAMETER);
+        }
+
+        /* Move on the next segment */
+
+        ExternalName++;
+        Result += ACPI_NAME_SIZE;
+    }
+
+    /* Terminate the string */
+
+    *Result = 0;
+
+    if (Info->FullyQualified)
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "returning [%p] (abs) \"\\%s\"\n",
+            InternalName, InternalName));
+    }
+    else
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "returning [%p] (rel) \"%s\"\n",
+            InternalName, InternalName));
+    }
+
+    return_ACPI_STATUS (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiNsInternalizeName
+ *
+ * PARAMETERS:  *ExternalName           - External representation of name
+ *              **Converted Name        - Where to return the resulting
+ *                                        internal represention of the name
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Convert an external representation (e.g. "\_PR_.CPU0")
+ *              to internal form (e.g. 5c 2f 02 5f 50 52 5f 43 50 55 30)
+ *
+ *******************************************************************************/
+
+ACPI_STATUS
+AcpiNsInternalizeName (
+    NATIVE_CHAR             *ExternalName,
+    NATIVE_CHAR             **ConvertedName)
+{
+    NATIVE_CHAR             *InternalName;
+    ACPI_NAMESTRING_INFO    Info;
+    ACPI_STATUS             Status;
+
+
+    ACPI_FUNCTION_TRACE ("NsInternalizeName");
+
+
+    if ((!ExternalName)      ||
+        (*ExternalName == 0) ||
+        (!ConvertedName))
+    {
+        return_ACPI_STATUS (AE_BAD_PARAMETER);
+    }
+
+    /* Get the length of the new internal name */
+
+    Info.ExternalName = ExternalName;
+    AcpiNsGetInternalNameLength (&Info);
+
+    /* We need a segment to store the internal  name */
+
+    InternalName = ACPI_MEM_CALLOCATE (Info.Length);
+    if (!InternalName)
+    {
+        return_ACPI_STATUS (AE_NO_MEMORY);
+    }
+
+    /* Build the name */
+
+    Info.InternalName = InternalName;
+    Status = AcpiNsBuildInternalName (&Info);
+    if (ACPI_FAILURE (Status))
+    {
+        ACPI_MEM_FREE (InternalName);
+        return_ACPI_STATUS (Status);
+    }
+
+    *ConvertedName = InternalName;
+    return_ACPI_STATUS (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiNsExternalizeName
+ *
+ * PARAMETERS:  *InternalName          - Internal representation of name
+ *              **ConvertedName        - Where to return the resulting
+ *                                       external representation of name
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Convert internal name (e.g. 5c 2f 02 5f 50 52 5f 43 50 55 30)
+ *              to its external form (e.g. "\_PR_.CPU0")
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiNsExternalizeName (
+    UINT32                  InternalNameLength,
+    char                    *InternalName,
+    UINT32                  *ConvertedNameLength,
+    char                    **ConvertedName)
+{
+    NATIVE_UINT_MIN32       PrefixLength = 0;
+    NATIVE_UINT_MIN32       NamesIndex = 0;
+    NATIVE_UINT_MIN32       NumSegments = 0;
+    NATIVE_UINT_MIN32       i = 0;
+    NATIVE_UINT_MIN32       j = 0;
+    NATIVE_UINT_MIN32       RequiredLength;
+
+
+    ACPI_FUNCTION_TRACE ("NsExternalizeName");
+
+
+    if (!InternalNameLength     ||
+        !InternalName           ||
+        !ConvertedName)
+    {
+        return_ACPI_STATUS (AE_BAD_PARAMETER);
+    }
+
+    /*
+     * Check for a prefix (one '\' | one or more '^').
+     */
+    switch (InternalName[0])
+    {
+    case '\\':
+        PrefixLength = 1;
+        break;
+
+    case '^':
+        for (i = 0; i < InternalNameLength; i++)
+        {
+            if (InternalName[i] == '^')
+            {
+                PrefixLength = i + 1;
+            }
+            else
+            {
+                break;
+            }
+        }
+
+        if (i == InternalNameLength)
+        {
+            PrefixLength = i;
+        }
+
+        break;
+
+    default:
+        break;
+    }
+
+    /*
+     * Check for object names.  Note that there could be 0-255 of these
+     * 4-byte elements.
+     */
+    if (PrefixLength < InternalNameLength)
+    {
+        switch (InternalName[PrefixLength])
+        {
+        case AML_MULTI_NAME_PREFIX_OP:
+
+            /* <count> 4-byte names */
+
+            NamesIndex = PrefixLength + 2;
+            NumSegments = (UINT32) (UINT8) InternalName[PrefixLength + 1];
+            break;
+
+        case AML_DUAL_NAME_PREFIX:
+
+            /* Two 4-byte names */
+
+            NamesIndex = PrefixLength + 1;
+            NumSegments = 2;
+            break;
+
+        case 0:
+
+            /* NullName */
+
+            NamesIndex = 0;
+            NumSegments = 0;
+            break;
+
+        default:
+
+            /* one 4-byte name */
+
+            NamesIndex = PrefixLength;
+            NumSegments = 1;
+            break;
+        }
+    }
+
+    /*
+     * Calculate the length of ConvertedName, which equals the length
+     * of the prefix, length of all object names, length of any required
+     * punctuation ('.') between object names, plus the NULL terminator.
+     */
+    RequiredLength = PrefixLength + (4 * NumSegments) +
+                        ((NumSegments > 0) ? (NumSegments - 1) : 0) + 1;
+
+    /*
+     * Check to see if we're still in bounds.  If not, there's a problem
+     * with InternalName (invalid format).
+     */
+    if (RequiredLength > InternalNameLength)
+    {
+        ACPI_REPORT_ERROR (("NsExternalizeName: Invalid internal name\n"));
+        return_ACPI_STATUS (AE_BAD_PATHNAME);
+    }
+
+    /*
+     * Build ConvertedName...
+     */
+    *ConvertedName = ACPI_MEM_CALLOCATE (RequiredLength);
+    if (!(*ConvertedName))
+    {
+        return_ACPI_STATUS (AE_NO_MEMORY);
+    }
+
+    j = 0;
+
+    for (i = 0; i < PrefixLength; i++)
+    {
+        (*ConvertedName)[j++] = InternalName[i];
+    }
+
+    if (NumSegments > 0)
+    {
+        for (i = 0; i < NumSegments; i++)
+        {
+            if (i > 0)
+            {
+                (*ConvertedName)[j++] = '.';
+            }
+
+            (*ConvertedName)[j++] = InternalName[NamesIndex++];
+            (*ConvertedName)[j++] = InternalName[NamesIndex++];
+            (*ConvertedName)[j++] = InternalName[NamesIndex++];
+            (*ConvertedName)[j++] = InternalName[NamesIndex++];
+        }
+    }
+
+    if (ConvertedNameLength)
+    {
+        *ConvertedNameLength = (UINT32) RequiredLength;
+    }
+
+    return_ACPI_STATUS (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiNsMapHandleToNode
+ *
+ * PARAMETERS:  Handle          - Handle to be converted to an Node
+ *
+ * RETURN:      A Name table entry pointer
+ *
+ * DESCRIPTION: Convert a namespace handle to a real Node
+ *
+ * Note: Real integer handles allow for more verification
+ *       and keep all pointers within this subsystem.
+ *
+ ******************************************************************************/
+
+ACPI_NAMESPACE_NODE *
+AcpiNsMapHandleToNode (
+    ACPI_HANDLE             Handle)
+{
+
+    ACPI_FUNCTION_ENTRY ();
+
+
+    /*
+     * Simple implementation.
+     */
+    if (!Handle)
+    {
+        return (NULL);
+    }
+
+    if (Handle == ACPI_ROOT_OBJECT)
+    {
+        return (AcpiGbl_RootNode);
+    }
+
+    /* We can at least attempt to verify the handle */
+
+    if (ACPI_GET_DESCRIPTOR_TYPE (Handle) != ACPI_DESC_TYPE_NAMED)
+    {
+        return (NULL);
+    }
+
+    return ((ACPI_NAMESPACE_NODE *) Handle);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiNsConvertEntryToHandle
+ *
+ * PARAMETERS:  Node          - Node to be converted to a Handle
+ *
+ * RETURN:      An USER ACPI_HANDLE
+ *
+ * DESCRIPTION: Convert a real Node to a namespace handle
+ *
+ ******************************************************************************/
+
+ACPI_HANDLE
+AcpiNsConvertEntryToHandle (
+    ACPI_NAMESPACE_NODE         *Node)
+{
+
+
+    /*
+     * Simple implementation for now;
+     */
+    return ((ACPI_HANDLE) Node);
+
+
+/* ---------------------------------------------------
+
+    if (!Node)
+    {
+        return (NULL);
+    }
+
+    if (Node == AcpiGbl_RootNode)
+    {
+        return (ACPI_ROOT_OBJECT);
+    }
+
+
+    return ((ACPI_HANDLE) Node);
+------------------------------------------------------*/
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiNsTerminate
+ *
+ * PARAMETERS:  none
+ *
+ * RETURN:      none
+ *
+ * DESCRIPTION: free memory allocated for table storage.
+ *
+ ******************************************************************************/
+
+void
+AcpiNsTerminate (void)
+{
+    ACPI_OPERAND_OBJECT     *ObjDesc;
+    ACPI_NAMESPACE_NODE     *ThisNode;
+
+
+    ACPI_FUNCTION_TRACE ("NsTerminate");
+
+
+    ThisNode = AcpiGbl_RootNode;
+
+    /*
+     * 1) Free the entire namespace -- all objects, tables, and stacks
+     *
+     * Delete all objects linked to the root
+     * (additional table descriptors)
+     */
+    AcpiNsDeleteNamespaceSubtree (ThisNode);
+
+    /* Detach any object(s) attached to the root */
+
+    ObjDesc = AcpiNsGetAttachedObject (ThisNode);
+    if (ObjDesc)
+    {
+        AcpiNsDetachObject (ThisNode);
+        AcpiUtRemoveReference (ObjDesc);
+    }
+
+    AcpiNsDeleteChildren (ThisNode);
+    ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Namespace freed\n"));
+
+
+    /*
+     * 2) Now we can delete the ACPI tables
+     */
+    AcpiTbDeleteAcpiTables ();
+    ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "ACPI Tables freed\n"));
+
+    return_VOID;
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiNsOpensScope
+ *
+ * PARAMETERS:  Type        - A valid namespace type
+ *
+ * RETURN:      NEWSCOPE if the passed type "opens a name scope" according
+ *              to the ACPI specification, else 0
+ *
+ ******************************************************************************/
+
+UINT32
+AcpiNsOpensScope (
+    ACPI_OBJECT_TYPE        Type)
+{
+    ACPI_FUNCTION_TRACE_STR ("NsOpensScope", AcpiUtGetTypeName (Type));
+
+
+    if (!AcpiUtValidObjectType (Type))
+    {
+        /* type code out of range  */
+
+        ACPI_REPORT_WARNING (("NsOpensScope: Invalid Object Type %X\n", Type));
+        return_VALUE (ACPI_NS_NORMAL);
+    }
+
+    return_VALUE (((UINT32) AcpiGbl_NsProperties[Type]) & ACPI_NS_NEWSCOPE);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiNsGetNodeByPath
+ *
+ * PARAMETERS:  *Pathname   - Name to be found, in external (ASL) format. The
+ *                            \ (backslash) and ^ (carat) prefixes, and the
+ *                            . (period) to separate segments are supported.
+ *              StartNode   - Root of subtree to be searched, or NS_ALL for the
+ *                            root of the name space.  If Name is fully
+ *                            qualified (first INT8 is '\'), the passed value
+ *                            of Scope will not be accessed.
+ *              Flags       - Used to indicate whether to perform upsearch or
+ *                            not.
+ *              ReturnNode  - Where the Node is returned
+ *
+ * DESCRIPTION: Look up a name relative to a given scope and return the
+ *              corresponding Node.  NOTE: Scope can be null.
+ *
+ * MUTEX:       Locks namespace
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiNsGetNodeByPath (
+    NATIVE_CHAR             *Pathname,
+    ACPI_NAMESPACE_NODE     *StartNode,
+    UINT32                  Flags,
+    ACPI_NAMESPACE_NODE     **ReturnNode)
+{
+    ACPI_GENERIC_STATE      ScopeInfo;
+    ACPI_STATUS             Status;
+    NATIVE_CHAR             *InternalPath = NULL;
+
+
+    ACPI_FUNCTION_TRACE_PTR ("NsGetNodeByPath", Pathname);
+
+
+    if (!Pathname)
+    {
+        return_ACPI_STATUS (AE_BAD_PARAMETER);
+    }
+
+    /* Convert path to internal representation */
+
+    Status = AcpiNsInternalizeName (Pathname, &InternalPath);
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    /* Must lock namespace during lookup */
+
+    Status = AcpiUtAcquireMutex (ACPI_MTX_NAMESPACE);
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    /* Setup lookup scope (search starting point) */
+
+    ScopeInfo.Scope.Node = StartNode;
+
+    /* Lookup the name in the namespace */
+
+    Status = AcpiNsLookup (&ScopeInfo, InternalPath,
+                            ACPI_TYPE_ANY, ACPI_IMODE_EXECUTE,
+                            (Flags | ACPI_NS_DONT_OPEN_SCOPE),
+                            NULL, ReturnNode);
+    if (ACPI_FAILURE (Status))
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "%s, %s\n",
+                InternalPath, AcpiFormatException (Status)));
+    }
+
+    /* Cleanup */
+
+    (void) AcpiUtReleaseMutex (ACPI_MTX_NAMESPACE);
+    ACPI_MEM_FREE (InternalPath);
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiNsFindParentName
+ *
+ * PARAMETERS:  *ChildNode             - Named Obj whose name is to be found
+ *
+ * RETURN:      The ACPI name
+ *
+ * DESCRIPTION: Search for the given obj in its parent scope and return the
+ *              name segment, or "????" if the parent name can't be found
+ *              (which "should not happen").
+ *
+ ******************************************************************************/
+
+ACPI_NAME
+AcpiNsFindParentName (
+    ACPI_NAMESPACE_NODE     *ChildNode)
+{
+    ACPI_NAMESPACE_NODE     *ParentNode;
+
+
+    ACPI_FUNCTION_TRACE ("NsFindParentName");
+
+
+    if (ChildNode)
+    {
+        /* Valid entry.  Get the parent Node */
+
+        ParentNode = AcpiNsGetParentNode (ChildNode);
+        if (ParentNode)
+        {
+            ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Parent of %p [%4.4s] is %p [%4.4s]\n",
+                ChildNode,  ChildNode->Name.Ascii,
+                ParentNode, ParentNode->Name.Ascii));
+
+            if (ParentNode->Name.Integer)
+            {
+                return_VALUE ((ACPI_NAME) ParentNode->Name.Integer);
+            }
+        }
+
+        ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "unable to find parent of %p (%4.4s)\n",
+            ChildNode, ChildNode->Name.Ascii));
+    }
+
+    return_VALUE (ACPI_UNKNOWN_NAME);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiNsGetParentNode
+ *
+ * PARAMETERS:  Node       - Current table entry
+ *
+ * RETURN:      Parent entry of the given entry
+ *
+ * DESCRIPTION: Obtain the parent entry for a given entry in the namespace.
+ *
+ ******************************************************************************/
+
+
+ACPI_NAMESPACE_NODE *
+AcpiNsGetParentNode (
+    ACPI_NAMESPACE_NODE     *Node)
+{
+    ACPI_FUNCTION_ENTRY ();
+
+
+    if (!Node)
+    {
+        return (NULL);
+    }
+
+    /*
+     * Walk to the end of this peer list.
+     * The last entry is marked with a flag and the peer
+     * pointer is really a pointer back to the parent.
+     * This saves putting a parent back pointer in each and
+     * every named object!
+     */
+    while (!(Node->Flags & ANOBJ_END_OF_PEER_LIST))
+    {
+        Node = Node->Peer;
+    }
+
+
+    return (Node->Peer);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiNsGetNextValidNode
+ *
+ * PARAMETERS:  Node       - Current table entry
+ *
+ * RETURN:      Next valid Node in the linked node list.  NULL if no more valid
+ *              nodess
+ *
+ * DESCRIPTION: Find the next valid node within a name table.
+ *              Useful for implementing NULL-end-of-list loops.
+ *
+ ******************************************************************************/
+
+
+ACPI_NAMESPACE_NODE *
+AcpiNsGetNextValidNode (
+    ACPI_NAMESPACE_NODE     *Node)
+{
+
+    /* If we are at the end of this peer list, return NULL */
+
+    if (Node->Flags & ANOBJ_END_OF_PEER_LIST)
+    {
+        return NULL;
+    }
+
+    /* Otherwise just return the next peer */
+
+    return (Node->Peer);
+}
+
+
diff --git a/sys/contrib/dev/acpica/nswalk.c b/sys/contrib/dev/acpica/nswalk.c
new file mode 100644
index 0000000..5e9014a
--- /dev/null
+++ b/sys/contrib/dev/acpica/nswalk.c
@@ -0,0 +1,382 @@
+/******************************************************************************
+ *
+ * Module Name: nswalk - Functions for walking the ACPI namespace
+ *              $Revision: 33 $
+ *
+ *****************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+
+#define __NSWALK_C__
+
+#include "acpi.h"
+#include "acnamesp.h"
+
+
+#define _COMPONENT          ACPI_NAMESPACE
+        ACPI_MODULE_NAME    ("nswalk")
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiNsGetNextNode
+ *
+ * PARAMETERS:  Type                - Type of node to be searched for
+ *              ParentNode          - Parent node whose children we are
+ *                                     getting
+ *              ChildNode           - Previous child that was found.
+ *                                    The NEXT child will be returned
+ *
+ * RETURN:      ACPI_NAMESPACE_NODE - Pointer to the NEXT child or NULL if
+ *                                    none is found.
+ *
+ * DESCRIPTION: Return the next peer node within the namespace.  If Handle
+ *              is valid, Scope is ignored.  Otherwise, the first node
+ *              within Scope is returned.
+ *
+ ******************************************************************************/
+
+ACPI_NAMESPACE_NODE *
+AcpiNsGetNextNode (
+    ACPI_OBJECT_TYPE        Type,
+    ACPI_NAMESPACE_NODE     *ParentNode,
+    ACPI_NAMESPACE_NODE     *ChildNode)
+{
+    ACPI_NAMESPACE_NODE     *NextNode = NULL;
+
+
+    ACPI_FUNCTION_ENTRY ();
+
+
+    if (!ChildNode)
+    {
+        /* It's really the parent's _scope_ that we want */
+
+        if (ParentNode->Child)
+        {
+            NextNode = ParentNode->Child;
+        }
+    }
+
+    else
+    {
+        /* Start search at the NEXT node */
+
+        NextNode = AcpiNsGetNextValidNode (ChildNode);
+    }
+
+    /* If any type is OK, we are done */
+
+    if (Type == ACPI_TYPE_ANY)
+    {
+        /* NextNode is NULL if we are at the end-of-list */
+
+        return (NextNode);
+    }
+
+    /* Must search for the node -- but within this scope only */
+
+    while (NextNode)
+    {
+        /* If type matches, we are done */
+
+        if (NextNode->Type == Type)
+        {
+            return (NextNode);
+        }
+
+        /* Otherwise, move on to the next node */
+
+        NextNode = AcpiNsGetNextValidNode (NextNode);
+    }
+
+    /* Not found */
+
+    return (NULL);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiNsWalkNamespace
+ *
+ * PARAMETERS:  Type                - ACPI_OBJECT_TYPE to search for
+ *              StartNode           - Handle in namespace where search begins
+ *              MaxDepth            - Depth to which search is to reach
+ *              UnlockBeforeCallback- Whether to unlock the NS before invoking
+ *                                    the callback routine
+ *              UserFunction        - Called when an object of "Type" is found
+ *              Context             - Passed to user function
+ *              ReturnValue         - from the UserFunction if terminated early.
+ *                                    Otherwise, returns NULL.
+ * RETURNS:     Status
+ *
+ * DESCRIPTION: Performs a modified depth-first walk of the namespace tree,
+ *              starting (and ending) at the node specified by StartHandle.
+ *              The UserFunction is called whenever a node that matches
+ *              the type parameter is found.  If the user function returns
+ *              a non-zero value, the search is terminated immediately and this
+ *              value is returned to the caller.
+ *
+ *              The point of this procedure is to provide a generic namespace
+ *              walk routine that can be called from multiple places to
+ *              provide multiple services;  the User Function can be tailored
+ *              to each task, whether it is a print function, a compare
+ *              function, etc.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiNsWalkNamespace (
+    ACPI_OBJECT_TYPE        Type,
+    ACPI_HANDLE             StartNode,
+    UINT32                  MaxDepth,
+    BOOLEAN                 UnlockBeforeCallback,
+    ACPI_WALK_CALLBACK      UserFunction,
+    void                    *Context,
+    void                    **ReturnValue)
+{
+    ACPI_STATUS             Status;
+    ACPI_NAMESPACE_NODE     *ChildNode;
+    ACPI_NAMESPACE_NODE     *ParentNode;
+    ACPI_OBJECT_TYPE        ChildType;
+    UINT32                  Level;
+
+
+    ACPI_FUNCTION_TRACE ("NsWalkNamespace");
+
+
+    /* Special case for the namespace Root Node */
+
+    if (StartNode == ACPI_ROOT_OBJECT)
+    {
+        StartNode = AcpiGbl_RootNode;
+    }
+
+    /* Null child means "get first node" */
+
+    ParentNode  = StartNode;
+    ChildNode   = 0;
+    ChildType   = ACPI_TYPE_ANY;
+    Level       = 1;
+
+    /*
+     * Traverse the tree of nodes until we bubble back up to where we
+     * started. When Level is zero, the loop is done because we have
+     * bubbled up to (and passed) the original parent handle (StartEntry)
+     */
+    while (Level > 0)
+    {
+        /* Get the next node in this scope.  Null if not found */
+
+        Status = AE_OK;
+        ChildNode = AcpiNsGetNextNode (ACPI_TYPE_ANY, ParentNode, ChildNode);
+        if (ChildNode)
+        {
+            /*
+             * Found node, Get the type if we are not
+             * searching for ANY
+             */
+            if (Type != ACPI_TYPE_ANY)
+            {
+                ChildType = ChildNode->Type;
+            }
+
+            if (ChildType == Type)
+            {
+                /*
+                 * Found a matching node, invoke the user
+                 * callback function
+                 */
+                if (UnlockBeforeCallback)
+                {
+                    Status = AcpiUtReleaseMutex (ACPI_MTX_NAMESPACE);
+                    if (ACPI_FAILURE (Status))
+                    {
+                        return_ACPI_STATUS (Status);
+                    }
+                }
+
+                Status = UserFunction (ChildNode, Level,
+                                        Context, ReturnValue);
+
+                if (UnlockBeforeCallback)
+                {
+                    Status = AcpiUtAcquireMutex (ACPI_MTX_NAMESPACE);
+                    if (ACPI_FAILURE (Status))
+                    {
+                        return_ACPI_STATUS (Status);
+                    }
+                }
+
+                switch (Status)
+                {
+                case AE_OK:
+                case AE_CTRL_DEPTH:
+
+                    /* Just keep going */
+                    break;
+
+                case AE_CTRL_TERMINATE:
+
+                    /* Exit now, with OK status */
+
+                    return_ACPI_STATUS (AE_OK);
+
+                default:
+
+                    /* All others are valid exceptions */
+
+                    return_ACPI_STATUS (Status);
+                }
+            }
+
+            /*
+             * Depth first search:
+             * Attempt to go down another level in the namespace
+             * if we are allowed to.  Don't go any further if we
+             * have reached the caller specified maximum depth
+             * or if the user function has specified that the
+             * maximum depth has been reached.
+             */
+            if ((Level < MaxDepth) && (Status != AE_CTRL_DEPTH))
+            {
+                if (AcpiNsGetNextNode (ACPI_TYPE_ANY, ChildNode, 0))
+                {
+                    /*
+                     * There is at least one child of this
+                     * node, visit the onde
+                     */
+                    Level++;
+                    ParentNode    = ChildNode;
+                    ChildNode     = 0;
+                }
+            }
+        }
+        else
+        {
+            /*
+             * No more children of this node (AcpiNsGetNextNode
+             * failed), go back upwards in the namespace tree to
+             * the node's parent.
+             */
+            Level--;
+            ChildNode = ParentNode;
+            ParentNode = AcpiNsGetParentNode (ParentNode);
+        }
+    }
+
+    /* Complete walk, not terminated by user function */
+
+    return_ACPI_STATUS (AE_OK);
+}
+
+
diff --git a/sys/contrib/dev/acpica/nsxfeval.c b/sys/contrib/dev/acpica/nsxfeval.c
new file mode 100644
index 0000000..1926011
--- /dev/null
+++ b/sys/contrib/dev/acpica/nsxfeval.c
@@ -0,0 +1,870 @@
+/*******************************************************************************
+ *
+ * Module Name: nsxfeval - Public interfaces to the ACPI subsystem
+ *                         ACPI Object evaluation interfaces
+ *              $Revision: 4 $
+ *
+ ******************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+
+#define __NSXFEVAL_C__
+
+#include "acpi.h"
+#include "acnamesp.h"
+
+
+#define _COMPONENT          ACPI_NAMESPACE
+        ACPI_MODULE_NAME    ("nsxfeval")
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiEvaluateObjectTyped
+ *
+ * PARAMETERS:  Handle              - Object handle (optional)
+ *              *Pathname           - Object pathname (optional)
+ *              **ExternalParams    - List of parameters to pass to method,
+ *                                    terminated by NULL.  May be NULL
+ *                                    if no parameters are being passed.
+ *              *ReturnBuffer       - Where to put method's return value (if
+ *                                    any).  If NULL, no value is returned.
+ *              ReturnType          - Expected type of return object
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Find and evaluate the given object, passing the given
+ *              parameters if necessary.  One of "Handle" or "Pathname" must
+ *              be valid (non-null)
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiEvaluateObjectTyped (
+    ACPI_HANDLE             Handle,
+    ACPI_STRING             Pathname,
+    ACPI_OBJECT_LIST        *ExternalParams,
+    ACPI_BUFFER             *ReturnBuffer,
+    ACPI_OBJECT_TYPE        ReturnType)
+{
+    ACPI_STATUS             Status;
+    BOOLEAN                 MustFree = FALSE;
+
+
+    ACPI_FUNCTION_TRACE ("AcpiEvaluateObjectTyped");
+
+
+    /* Return buffer must be valid */
+
+    if (!ReturnBuffer)
+    {
+        return_ACPI_STATUS (AE_BAD_PARAMETER);
+    }
+
+    if (ReturnBuffer->Length == ACPI_ALLOCATE_BUFFER)
+    {
+        MustFree = TRUE;
+    }
+
+    /* Evaluate the object */
+
+    Status = AcpiEvaluateObject (Handle, Pathname, ExternalParams, ReturnBuffer);
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    /* Type ANY means "don't care" */
+
+    if (ReturnType == ACPI_TYPE_ANY)
+    {
+        return_ACPI_STATUS (AE_OK);
+    }
+
+    if (ReturnBuffer->Length == 0)
+    {
+        /* Error because caller specifically asked for a return value */
+
+        ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+            "No return value\n"));
+
+        return_ACPI_STATUS (AE_NULL_OBJECT);
+    }
+
+    /* Examine the object type returned from EvaluateObject */
+
+    if (((ACPI_OBJECT *) ReturnBuffer->Pointer)->Type == ReturnType)
+    {
+        return_ACPI_STATUS (AE_OK);
+    }
+
+    /* Return object type does not match requested type */
+
+    ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+        "Incorrect return type [%s] requested [%s]\n",
+        AcpiUtGetTypeName (((ACPI_OBJECT *) ReturnBuffer->Pointer)->Type),
+        AcpiUtGetTypeName (ReturnType)));
+
+    if (MustFree)
+    {
+        /* Caller used ACPI_ALLOCATE_BUFFER, free the return buffer */
+
+        AcpiOsFree (ReturnBuffer->Pointer);
+        ReturnBuffer->Pointer = NULL;
+    }
+
+    ReturnBuffer->Length = 0;
+    return_ACPI_STATUS (AE_TYPE);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiEvaluateObject
+ *
+ * PARAMETERS:  Handle              - Object handle (optional)
+ *              *Pathname           - Object pathname (optional)
+ *              **ExternalParams    - List of parameters to pass to method,
+ *                                    terminated by NULL.  May be NULL
+ *                                    if no parameters are being passed.
+ *              *ReturnBuffer       - Where to put method's return value (if
+ *                                    any).  If NULL, no value is returned.
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Find and evaluate the given object, passing the given
+ *              parameters if necessary.  One of "Handle" or "Pathname" must
+ *              be valid (non-null)
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiEvaluateObject (
+    ACPI_HANDLE             Handle,
+    ACPI_STRING             Pathname,
+    ACPI_OBJECT_LIST        *ExternalParams,
+    ACPI_BUFFER             *ReturnBuffer)
+{
+    ACPI_STATUS             Status;
+    ACPI_OPERAND_OBJECT     **InternalParams = NULL;
+    ACPI_OPERAND_OBJECT     *InternalReturnObj = NULL;
+    ACPI_SIZE               BufferSpaceNeeded;
+    UINT32                  i;
+
+
+    ACPI_FUNCTION_TRACE ("AcpiEvaluateObject");
+
+
+    /*
+     * If there are parameters to be passed to the object
+     * (which must be a control method), the external objects
+     * must be converted to internal objects
+     */
+    if (ExternalParams && ExternalParams->Count)
+    {
+        /*
+         * Allocate a new parameter block for the internal objects
+         * Add 1 to count to allow for null terminated internal list
+         */
+        InternalParams = ACPI_MEM_CALLOCATE (((ACPI_SIZE) ExternalParams->Count + 1) *
+                                                sizeof (void *));
+        if (!InternalParams)
+        {
+            return_ACPI_STATUS (AE_NO_MEMORY);
+        }
+
+        /*
+         * Convert each external object in the list to an
+         * internal object
+         */
+        for (i = 0; i < ExternalParams->Count; i++)
+        {
+            Status = AcpiUtCopyEobjectToIobject (&ExternalParams->Pointer[i],
+                                                &InternalParams[i]);
+            if (ACPI_FAILURE (Status))
+            {
+                AcpiUtDeleteInternalObjectList (InternalParams);
+                return_ACPI_STATUS (Status);
+            }
+        }
+        InternalParams[ExternalParams->Count] = NULL;
+    }
+
+    /*
+     * Three major cases:
+     * 1) Fully qualified pathname
+     * 2) No handle, not fully qualified pathname (error)
+     * 3) Valid handle
+     */
+    if ((Pathname) &&
+        (AcpiNsValidRootPrefix (Pathname[0])))
+    {
+        /*
+         *  The path is fully qualified, just evaluate by name
+         */
+        Status = AcpiNsEvaluateByName (Pathname, InternalParams,
+                    &InternalReturnObj);
+    }
+    else if (!Handle)
+    {
+        /*
+         * A handle is optional iff a fully qualified pathname
+         * is specified.  Since we've already handled fully
+         * qualified names above, this is an error
+         */
+        if (!Pathname)
+        {
+            ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+                "Both Handle and Pathname are NULL\n"));
+        }
+        else
+        {
+            ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+                "Handle is NULL and Pathname is relative\n"));
+        }
+
+        Status = AE_BAD_PARAMETER;
+    }
+    else
+    {
+        /*
+         * We get here if we have a handle -- and if we have a
+         * pathname it is relative.  The handle will be validated
+         * in the lower procedures
+         */
+        if (!Pathname)
+        {
+            /*
+             * The null pathname case means the handle is for
+             * the actual object to be evaluated
+             */
+            Status = AcpiNsEvaluateByHandle (Handle, InternalParams,
+                            &InternalReturnObj);
+        }
+        else
+        {
+           /*
+            * Both a Handle and a relative Pathname
+            */
+            Status = AcpiNsEvaluateRelative (Handle, Pathname, InternalParams,
+                            &InternalReturnObj);
+        }
+    }
+
+
+    /*
+     * If we are expecting a return value, and all went well above,
+     * copy the return value to an external object.
+     */
+    if (ReturnBuffer)
+    {
+        if (!InternalReturnObj)
+        {
+            ReturnBuffer->Length = 0;
+        }
+        else
+        {
+            if (ACPI_GET_DESCRIPTOR_TYPE (InternalReturnObj) == ACPI_DESC_TYPE_NAMED)
+            {
+                /*
+                 * If we received a NS Node as a return object, this means that
+                 * the object we are evaluating has nothing interesting to
+                 * return (such as a mutex, etc.)  We return an error because
+                 * these types are essentially unsupported by this interface.
+                 * We don't check up front because this makes it easier to add
+                 * support for various types at a later date if necessary.
+                 */
+                Status = AE_TYPE;
+                InternalReturnObj = NULL;   /* No need to delete a NS Node */
+                ReturnBuffer->Length = 0;
+            }
+
+            if (ACPI_SUCCESS (Status))
+            {
+                /*
+                 * Find out how large a buffer is needed
+                 * to contain the returned object
+                 */
+                Status = AcpiUtGetObjectSize (InternalReturnObj,
+                                                &BufferSpaceNeeded);
+                if (ACPI_SUCCESS (Status))
+                {
+                    /* Validate/Allocate/Clear caller buffer */
+
+                    Status = AcpiUtInitializeBuffer (ReturnBuffer, BufferSpaceNeeded);
+                    if (ACPI_FAILURE (Status))
+                    {
+                        /*
+                         * Caller's buffer is too small or a new one can't be allocated
+                         */
+                        ACPI_DEBUG_PRINT ((ACPI_DB_INFO,
+                            "Needed buffer size %X, %s\n",
+                            (UINT32) BufferSpaceNeeded, AcpiFormatException (Status)));
+                    }
+                    else
+                    {
+                        /*
+                         *  We have enough space for the object, build it
+                         */
+                        Status = AcpiUtCopyIobjectToEobject (InternalReturnObj,
+                                        ReturnBuffer);
+                    }
+                }
+            }
+        }
+    }
+
+    /* Delete the return and parameter objects */
+
+    if (InternalReturnObj)
+    {
+        /*
+         * Delete the internal return object. (Or at least
+         * decrement the reference count by one)
+         */
+        AcpiUtRemoveReference (InternalReturnObj);
+    }
+
+    /*
+     * Free the input parameter list (if we created one),
+     */
+    if (InternalParams)
+    {
+        /* Free the allocated parameter block */
+
+        AcpiUtDeleteInternalObjectList (InternalParams);
+    }
+
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiWalkNamespace
+ *
+ * PARAMETERS:  Type                - ACPI_OBJECT_TYPE to search for
+ *              StartObject         - Handle in namespace where search begins
+ *              MaxDepth            - Depth to which search is to reach
+ *              UserFunction        - Called when an object of "Type" is found
+ *              Context             - Passed to user function
+ *              ReturnValue         - Location where return value of
+ *                                    UserFunction is put if terminated early
+ *
+ * RETURNS      Return value from the UserFunction if terminated early.
+ *              Otherwise, returns NULL.
+ *
+ * DESCRIPTION: Performs a modified depth-first walk of the namespace tree,
+ *              starting (and ending) at the object specified by StartHandle.
+ *              The UserFunction is called whenever an object that matches
+ *              the type parameter is found.  If the user function returns
+ *              a non-zero value, the search is terminated immediately and this
+ *              value is returned to the caller.
+ *
+ *              The point of this procedure is to provide a generic namespace
+ *              walk routine that can be called from multiple places to
+ *              provide multiple services;  the User Function can be tailored
+ *              to each task, whether it is a print function, a compare
+ *              function, etc.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiWalkNamespace (
+    ACPI_OBJECT_TYPE        Type,
+    ACPI_HANDLE             StartObject,
+    UINT32                  MaxDepth,
+    ACPI_WALK_CALLBACK      UserFunction,
+    void                    *Context,
+    void                    **ReturnValue)
+{
+    ACPI_STATUS             Status;
+
+
+    ACPI_FUNCTION_TRACE ("AcpiWalkNamespace");
+
+
+    /* Parameter validation */
+
+    if ((Type > ACPI_TYPE_EXTERNAL_MAX) ||
+        (!MaxDepth)                     ||
+        (!UserFunction))
+    {
+        return_ACPI_STATUS (AE_BAD_PARAMETER);
+    }
+
+    /*
+     * Lock the namespace around the walk.
+     * The namespace will be unlocked/locked around each call
+     * to the user function - since this function
+     * must be allowed to make Acpi calls itself.
+     */
+    Status = AcpiUtAcquireMutex (ACPI_MTX_NAMESPACE);
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    Status = AcpiNsWalkNamespace (Type, StartObject, MaxDepth, ACPI_NS_WALK_UNLOCK,
+                    UserFunction, Context, ReturnValue);
+
+    (void) AcpiUtReleaseMutex (ACPI_MTX_NAMESPACE);
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiNsGetDeviceCallback
+ *
+ * PARAMETERS:  Callback from AcpiGetDevice
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Takes callbacks from WalkNamespace and filters out all non-
+ *              present devices, or if they specified a HID, it filters based
+ *              on that.
+ *
+ ******************************************************************************/
+
+static ACPI_STATUS
+AcpiNsGetDeviceCallback (
+    ACPI_HANDLE             ObjHandle,
+    UINT32                  NestingLevel,
+    void                    *Context,
+    void                    **ReturnValue)
+{
+    ACPI_STATUS             Status;
+    ACPI_NAMESPACE_NODE     *Node;
+    UINT32                  Flags;
+    ACPI_DEVICE_ID          Hid;
+    ACPI_DEVICE_ID          Cid;
+    ACPI_GET_DEVICES_INFO   *Info;
+
+
+    Info = Context;
+
+    Status = AcpiUtAcquireMutex (ACPI_MTX_NAMESPACE);
+    if (ACPI_FAILURE (Status))
+    {
+        return (Status);
+    }
+
+    Node = AcpiNsMapHandleToNode (ObjHandle);
+    Status = AcpiUtReleaseMutex (ACPI_MTX_NAMESPACE);
+    if (ACPI_FAILURE (Status))
+    {
+        return (Status);
+    }
+
+    if (!Node)
+    {
+        return (AE_BAD_PARAMETER);
+    }
+
+    /*
+     * Run _STA to determine if device is present
+     */
+    Status = AcpiUtExecute_STA (Node, &Flags);
+    if (ACPI_FAILURE (Status))
+    {
+        return (AE_CTRL_DEPTH);
+    }
+
+    if (!(Flags & 0x01))
+    {
+        /* Don't return at the device or children of the device if not there */
+        return (AE_CTRL_DEPTH);
+    }
+
+    /*
+     * Filter based on device HID & CID
+     */
+    if (Info->Hid != NULL)
+    {
+        Status = AcpiUtExecute_HID (Node, &Hid);
+        if (Status == AE_NOT_FOUND)
+        {
+            return (AE_OK);
+        }
+        else if (ACPI_FAILURE (Status))
+        {
+            return (AE_CTRL_DEPTH);
+        }
+
+        if (ACPI_STRNCMP (Hid.Buffer, Info->Hid, sizeof (Hid.Buffer)) != 0)
+        {
+            Status = AcpiUtExecute_CID (Node, &Cid);
+            if (Status == AE_NOT_FOUND)
+            {
+                return (AE_OK);
+            }
+            else if (ACPI_FAILURE (Status))
+            {
+                return (AE_CTRL_DEPTH);
+            }
+
+            /* TBD: Handle CID packages */
+
+            if (ACPI_STRNCMP (Cid.Buffer, Info->Hid, sizeof (Cid.Buffer)) != 0)
+            {
+                return (AE_OK);
+            }
+        }
+    }
+
+    Status = Info->UserFunction (ObjHandle, NestingLevel, Info->Context, ReturnValue);
+    return (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiGetDevices
+ *
+ * PARAMETERS:  HID                 - HID to search for. Can be NULL.
+ *              UserFunction        - Called when a matching object is found
+ *              Context             - Passed to user function
+ *              ReturnValue         - Location where return value of
+ *                                    UserFunction is put if terminated early
+ *
+ * RETURNS      Return value from the UserFunction if terminated early.
+ *              Otherwise, returns NULL.
+ *
+ * DESCRIPTION: Performs a modified depth-first walk of the namespace tree,
+ *              starting (and ending) at the object specified by StartHandle.
+ *              The UserFunction is called whenever an object that matches
+ *              the type parameter is found.  If the user function returns
+ *              a non-zero value, the search is terminated immediately and this
+ *              value is returned to the caller.
+ *
+ *              This is a wrapper for WalkNamespace, but the callback performs
+ *              additional filtering. Please see AcpiGetDeviceCallback.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiGetDevices (
+    NATIVE_CHAR             *HID,
+    ACPI_WALK_CALLBACK      UserFunction,
+    void                    *Context,
+    void                    **ReturnValue)
+{
+    ACPI_STATUS             Status;
+    ACPI_GET_DEVICES_INFO   Info;
+
+
+    ACPI_FUNCTION_TRACE ("AcpiGetDevices");
+
+
+    /* Parameter validation */
+
+    if (!UserFunction)
+    {
+        return_ACPI_STATUS (AE_BAD_PARAMETER);
+    }
+
+    /*
+     * We're going to call their callback from OUR callback, so we need
+     * to know what it is, and their context parameter.
+     */
+    Info.Context      = Context;
+    Info.UserFunction = UserFunction;
+    Info.Hid          = HID;
+
+    /*
+     * Lock the namespace around the walk.
+     * The namespace will be unlocked/locked around each call
+     * to the user function - since this function
+     * must be allowed to make Acpi calls itself.
+     */
+    Status = AcpiUtAcquireMutex (ACPI_MTX_NAMESPACE);
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    Status = AcpiNsWalkNamespace (ACPI_TYPE_DEVICE,
+                                    ACPI_ROOT_OBJECT, ACPI_UINT32_MAX,
+                                    ACPI_NS_WALK_UNLOCK,
+                                    AcpiNsGetDeviceCallback, &Info,
+                                    ReturnValue);
+
+    (void) AcpiUtReleaseMutex (ACPI_MTX_NAMESPACE);
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiAttachData
+ *
+ * PARAMETERS:  ObjHandle           - Namespace node 
+ *              Handler             - Handler for this attachment
+ *              Data                - Pointer to data to be attached
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Attach arbitrary data and handler to a namespace node.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiAttachData (
+    ACPI_HANDLE             ObjHandle,
+    ACPI_OBJECT_HANDLER     Handler,
+    void                    *Data)
+{
+    ACPI_NAMESPACE_NODE     *Node;
+    ACPI_STATUS             Status;
+
+
+    /* Parameter validation */
+
+    if (!ObjHandle  ||
+        !Handler    ||
+        !Data)
+    {
+        return (AE_BAD_PARAMETER);
+    }
+
+    Status = AcpiUtAcquireMutex (ACPI_MTX_NAMESPACE);
+    if (ACPI_FAILURE (Status))
+    {
+        return (Status);
+    }
+
+    /* Convert and validate the handle */
+
+    Node = AcpiNsMapHandleToNode (ObjHandle);
+    if (!Node)
+    {
+        Status = AE_BAD_PARAMETER;
+        goto UnlockAndExit;
+    }
+
+    Status = AcpiNsAttachData (Node, Handler, Data);
+
+UnlockAndExit:
+    (void) AcpiUtReleaseMutex (ACPI_MTX_NAMESPACE);
+    return (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDetachData
+ *
+ * PARAMETERS:  ObjHandle           - Namespace node handle
+ *              Handler             - Handler used in call to AcpiAttachData
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Remove data that was previously attached to a node.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiDetachData (
+    ACPI_HANDLE             ObjHandle,
+    ACPI_OBJECT_HANDLER     Handler)
+{
+    ACPI_NAMESPACE_NODE     *Node;
+    ACPI_STATUS             Status;
+
+
+    /* Parameter validation */
+
+    if (!ObjHandle  ||
+        !Handler)
+    {
+        return (AE_BAD_PARAMETER);
+    }
+
+    Status = AcpiUtAcquireMutex (ACPI_MTX_NAMESPACE);
+    if (ACPI_FAILURE (Status))
+    {
+        return (Status);
+    }
+
+    /* Convert and validate the handle */
+
+    Node = AcpiNsMapHandleToNode (ObjHandle);
+    if (!Node)
+    {
+        Status = AE_BAD_PARAMETER;
+        goto UnlockAndExit;
+    }
+
+    Status = AcpiNsDetachData (Node, Handler);
+
+UnlockAndExit:
+    (void) AcpiUtReleaseMutex (ACPI_MTX_NAMESPACE);
+    return (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiGetData
+ *
+ * PARAMETERS:  ObjHandle           - Namespace node
+ *              Handler             - Handler used in call to AttachData
+ *              Data                - Where the data is returned
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Retrieve data that was previously attached to a namespace node.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiGetData (
+    ACPI_HANDLE             ObjHandle,
+    ACPI_OBJECT_HANDLER     Handler,
+    void                    **Data)
+{
+    ACPI_NAMESPACE_NODE     *Node;
+    ACPI_STATUS             Status;
+
+
+    /* Parameter validation */
+
+    if (!ObjHandle  ||
+        !Handler    ||
+        !Data)
+    {
+        return (AE_BAD_PARAMETER);
+    }
+
+    Status = AcpiUtAcquireMutex (ACPI_MTX_NAMESPACE);
+    if (ACPI_FAILURE (Status))
+    {
+        return (Status);
+    }
+
+    /* Convert and validate the handle */
+
+    Node = AcpiNsMapHandleToNode (ObjHandle);
+    if (!Node)
+    {
+        Status = AE_BAD_PARAMETER;
+        goto UnlockAndExit;
+    }
+
+    Status = AcpiNsGetAttachedData (Node, Handler, Data);
+
+UnlockAndExit:
+    (void) AcpiUtReleaseMutex (ACPI_MTX_NAMESPACE);
+    return (Status);
+}
+
+
diff --git a/sys/contrib/dev/acpica/nsxfname.c b/sys/contrib/dev/acpica/nsxfname.c
new file mode 100644
index 0000000..b318233
--- /dev/null
+++ b/sys/contrib/dev/acpica/nsxfname.c
@@ -0,0 +1,420 @@
+/******************************************************************************
+ *
+ * Module Name: nsxfname - Public interfaces to the ACPI subsystem
+ *                         ACPI Namespace oriented interfaces
+ *              $Revision: 91 $
+ *
+ *****************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+#define __NSXFNAME_C__
+
+#include "acpi.h"
+#include "acnamesp.h"
+
+
+#define _COMPONENT          ACPI_NAMESPACE
+        ACPI_MODULE_NAME    ("nsxfname")
+
+
+/****************************************************************************
+ *
+ * FUNCTION:    AcpiGetHandle
+ *
+ * PARAMETERS:  Parent          - Object to search under (search scope).
+ *              PathName        - Pointer to an asciiz string containing the
+ *                                  name
+ *              RetHandle       - Where the return handle is placed
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: This routine will search for a caller specified name in the
+ *              name space.  The caller can restrict the search region by
+ *              specifying a non NULL parent.  The parent value is itself a
+ *              namespace handle.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiGetHandle (
+    ACPI_HANDLE             Parent,
+    ACPI_STRING             Pathname,
+    ACPI_HANDLE             *RetHandle)
+{
+    ACPI_STATUS             Status;
+    ACPI_NAMESPACE_NODE     *Node = NULL;
+    ACPI_NAMESPACE_NODE     *PrefixNode = NULL;
+
+
+    ACPI_FUNCTION_ENTRY ();
+
+
+    /* Parameter Validation */
+
+    if (!RetHandle || !Pathname)
+    {
+        return (AE_BAD_PARAMETER);
+    }
+
+    /* Convert a parent handle to a prefix node */
+
+    if (Parent)
+    {
+        Status = AcpiUtAcquireMutex (ACPI_MTX_NAMESPACE);
+        if (ACPI_FAILURE (Status))
+        {
+            return (Status);
+        }
+
+        PrefixNode = AcpiNsMapHandleToNode (Parent);
+        if (!PrefixNode)
+        {
+            (void) AcpiUtReleaseMutex (ACPI_MTX_NAMESPACE);
+            return (AE_BAD_PARAMETER);
+        }
+
+        Status = AcpiUtReleaseMutex (ACPI_MTX_NAMESPACE);
+        if (ACPI_FAILURE (Status))
+        {
+            return (Status);
+        }
+    }
+
+    /* Special case for root, since we can't search for it */
+
+    if (ACPI_STRCMP (Pathname, ACPI_NS_ROOT_PATH) == 0)
+    {
+        *RetHandle = AcpiNsConvertEntryToHandle (AcpiGbl_RootNode);
+        return (AE_OK);
+    }
+
+    /*
+     *  Find the Node and convert to a handle
+     */
+    Status = AcpiNsGetNodeByPath (Pathname, PrefixNode, ACPI_NS_NO_UPSEARCH, &Node);
+
+    *RetHandle = NULL;
+    if (ACPI_SUCCESS (Status))
+    {
+        *RetHandle = AcpiNsConvertEntryToHandle (Node);
+    }
+
+    return (Status);
+}
+
+
+/****************************************************************************
+ *
+ * FUNCTION:    AcpiGetName
+ *
+ * PARAMETERS:  Handle          - Handle to be converted to a pathname
+ *              NameType        - Full pathname or single segment
+ *              Buffer          - Buffer for returned path
+ *
+ * RETURN:      Pointer to a string containing the fully qualified Name.
+ *
+ * DESCRIPTION: This routine returns the fully qualified name associated with
+ *              the Handle parameter.  This and the AcpiPathnameToHandle are
+ *              complementary functions.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiGetName (
+    ACPI_HANDLE             Handle,
+    UINT32                  NameType,
+    ACPI_BUFFER             *Buffer)
+{
+    ACPI_STATUS             Status;
+    ACPI_NAMESPACE_NODE     *Node;
+
+
+    /* Parameter validation */
+
+    if (NameType > ACPI_NAME_TYPE_MAX)
+    {
+        return (AE_BAD_PARAMETER);
+    }
+
+    Status = AcpiUtValidateBuffer (Buffer);
+    if (ACPI_FAILURE (Status))
+    {
+        return (Status);
+    }
+
+    if (NameType == ACPI_FULL_PATHNAME)
+    {
+        /* Get the full pathname (From the namespace root) */
+
+        Status = AcpiNsHandleToPathname (Handle, Buffer);
+        return (Status);
+    }
+
+    /*
+     * Wants the single segment ACPI name.
+     * Validate handle and convert to a namespace Node
+     */
+    Status = AcpiUtAcquireMutex (ACPI_MTX_NAMESPACE);
+    if (ACPI_FAILURE (Status))
+    {
+        return (Status);
+    }
+
+    Node = AcpiNsMapHandleToNode (Handle);
+    if (!Node)
+    {
+        Status = AE_BAD_PARAMETER;
+        goto UnlockAndExit;
+    }
+
+    /* Validate/Allocate/Clear caller buffer */
+
+    Status = AcpiUtInitializeBuffer (Buffer, PATH_SEGMENT_LENGTH);
+    if (ACPI_FAILURE (Status))
+    {
+        goto UnlockAndExit;
+    }
+
+    /* Just copy the ACPI name from the Node and zero terminate it */
+
+    ACPI_STRNCPY (Buffer->Pointer, Node->Name.Ascii,
+                ACPI_NAME_SIZE);
+    ((NATIVE_CHAR *) Buffer->Pointer) [ACPI_NAME_SIZE] = 0;
+    Status = AE_OK;
+
+
+UnlockAndExit:
+
+    (void) AcpiUtReleaseMutex (ACPI_MTX_NAMESPACE);
+    return (Status);
+}
+
+
+/****************************************************************************
+ *
+ * FUNCTION:    AcpiGetObjectInfo
+ *
+ * PARAMETERS:  Handle          - Object Handle
+ *              Info            - Where the info is returned
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Returns information about an object as gleaned from the
+ *              namespace node and possibly by running several standard
+ *              control methods (Such as in the case of a device.)
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiGetObjectInfo (
+    ACPI_HANDLE             Handle,
+    ACPI_DEVICE_INFO        *Info)
+{
+    ACPI_DEVICE_ID          Hid;
+    ACPI_DEVICE_ID          Uid;
+    ACPI_STATUS             Status;
+    UINT32                  DeviceStatus = 0;
+    ACPI_INTEGER            Address = 0;
+    ACPI_NAMESPACE_NODE     *Node;
+
+
+    /* Parameter validation */
+
+    if (!Handle || !Info)
+    {
+        return (AE_BAD_PARAMETER);
+    }
+
+    Status = AcpiUtAcquireMutex (ACPI_MTX_NAMESPACE);
+    if (ACPI_FAILURE (Status))
+    {
+        return (Status);
+    }
+
+    Node = AcpiNsMapHandleToNode (Handle);
+    if (!Node)
+    {
+        (void) AcpiUtReleaseMutex (ACPI_MTX_NAMESPACE);
+        return (AE_BAD_PARAMETER);
+    }
+
+    Info->Type = Node->Type;
+    Info->Name = Node->Name.Integer;
+
+    Status = AcpiUtReleaseMutex (ACPI_MTX_NAMESPACE);
+    if (ACPI_FAILURE (Status))
+    {
+        return (Status);
+    }
+
+    /*
+     * If not a device, we are all done.
+     */
+    if (Info->Type != ACPI_TYPE_DEVICE)
+    {
+        return (AE_OK);
+    }
+
+
+    /*
+     * Get extra info for ACPI devices only.  Run the
+     * _HID, _UID, _STA, and _ADR methods.  Note: none
+     * of these methods are required, so they may or may
+     * not be present.  The Info->Valid bits are used
+     * to indicate which methods ran successfully.
+     */
+    Info->Valid = 0;
+
+    /* Execute the _HID method and save the result */
+
+    Status = AcpiUtExecute_HID (Node, &Hid);
+    if (ACPI_SUCCESS (Status))
+    {
+        ACPI_STRNCPY (Info->HardwareId, Hid.Buffer, sizeof(Info->HardwareId));
+        Info->Valid |= ACPI_VALID_HID;
+    }
+
+    /* Execute the _UID method and save the result */
+
+    Status = AcpiUtExecute_UID (Node, &Uid);
+    if (ACPI_SUCCESS (Status))
+    {
+        ACPI_STRCPY (Info->UniqueId, Uid.Buffer);
+        Info->Valid |= ACPI_VALID_UID;
+    }
+
+    /*
+     * Execute the _STA method and save the result
+     * _STA is not always present
+     */
+    Status = AcpiUtExecute_STA (Node, &DeviceStatus);
+    if (ACPI_SUCCESS (Status))
+    {
+        Info->CurrentStatus = DeviceStatus;
+        Info->Valid |= ACPI_VALID_STA;
+    }
+
+    /*
+     * Execute the _ADR method and save result if successful
+     * _ADR is not always present
+     */
+    Status = AcpiUtEvaluateNumericObject (METHOD_NAME__ADR,
+                                            Node, &Address);
+
+    if (ACPI_SUCCESS (Status))
+    {
+        Info->Address = Address;
+        Info->Valid |= ACPI_VALID_ADR;
+    }
+
+    return (AE_OK);
+}
+
diff --git a/sys/contrib/dev/acpica/nsxfobj.c b/sys/contrib/dev/acpica/nsxfobj.c
new file mode 100644
index 0000000..b6fe807
--- /dev/null
+++ b/sys/contrib/dev/acpica/nsxfobj.c
@@ -0,0 +1,351 @@
+/*******************************************************************************
+ *
+ * Module Name: nsxfobj - Public interfaces to the ACPI subsystem
+ *                         ACPI Object oriented interfaces
+ *              $Revision: 114 $
+ *
+ ******************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+
+#define __NSXFOBJ_C__
+
+#include "acpi.h"
+#include "acnamesp.h"
+
+
+#define _COMPONENT          ACPI_NAMESPACE
+        ACPI_MODULE_NAME    ("nsxfobj")
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiGetType
+ *
+ * PARAMETERS:  Handle          - Handle of object whose type is desired
+ *              *RetType        - Where the type will be placed
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: This routine returns the type associatd with a particular handle
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiGetType (
+    ACPI_HANDLE             Handle,
+    ACPI_OBJECT_TYPE        *RetType)
+{
+    ACPI_NAMESPACE_NODE     *Node;
+    ACPI_STATUS             Status;
+
+
+    /* Parameter Validation */
+
+    if (!RetType)
+    {
+        return (AE_BAD_PARAMETER);
+    }
+
+    /*
+     * Special case for the predefined Root Node
+     * (return type ANY)
+     */
+    if (Handle == ACPI_ROOT_OBJECT)
+    {
+        *RetType = ACPI_TYPE_ANY;
+        return (AE_OK);
+    }
+
+    Status = AcpiUtAcquireMutex (ACPI_MTX_NAMESPACE);
+    if (ACPI_FAILURE (Status))
+    {
+        return (Status);
+    }
+
+    /* Convert and validate the handle */
+
+    Node = AcpiNsMapHandleToNode (Handle);
+    if (!Node)
+    {
+        (void) AcpiUtReleaseMutex (ACPI_MTX_NAMESPACE);
+        return (AE_BAD_PARAMETER);
+    }
+
+    *RetType = Node->Type;
+
+
+    Status = AcpiUtReleaseMutex (ACPI_MTX_NAMESPACE);
+    return (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiGetParent
+ *
+ * PARAMETERS:  Handle          - Handle of object whose parent is desired
+ *              RetHandle       - Where the parent handle will be placed
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Returns a handle to the parent of the object represented by
+ *              Handle.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiGetParent (
+    ACPI_HANDLE             Handle,
+    ACPI_HANDLE             *RetHandle)
+{
+    ACPI_NAMESPACE_NODE     *Node;
+    ACPI_STATUS             Status;
+
+
+    if (!RetHandle)
+    {
+        return (AE_BAD_PARAMETER);
+    }
+
+    /* Special case for the predefined Root Node (no parent) */
+
+    if (Handle == ACPI_ROOT_OBJECT)
+    {
+        return (AE_NULL_ENTRY);
+    }
+
+    Status = AcpiUtAcquireMutex (ACPI_MTX_NAMESPACE);
+    if (ACPI_FAILURE (Status))
+    {
+        return (Status);
+    }
+
+    /* Convert and validate the handle */
+
+    Node = AcpiNsMapHandleToNode (Handle);
+    if (!Node)
+    {
+        Status = AE_BAD_PARAMETER;
+        goto UnlockAndExit;
+    }
+
+    /* Get the parent entry */
+
+    *RetHandle =
+        AcpiNsConvertEntryToHandle (AcpiNsGetParentNode (Node));
+
+    /* Return exeption if parent is null */
+
+    if (!AcpiNsGetParentNode (Node))
+    {
+        Status = AE_NULL_ENTRY;
+    }
+
+
+UnlockAndExit:
+
+    (void) AcpiUtReleaseMutex (ACPI_MTX_NAMESPACE);
+    return (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiGetNextObject
+ *
+ * PARAMETERS:  Type            - Type of object to be searched for
+ *              Parent          - Parent object whose children we are getting
+ *              LastChild       - Previous child that was found.
+ *                                The NEXT child will be returned
+ *              RetHandle       - Where handle to the next object is placed
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Return the next peer object within the namespace.  If Handle is
+ *              valid, Scope is ignored.  Otherwise, the first object within
+ *              Scope is returned.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiGetNextObject (
+    ACPI_OBJECT_TYPE        Type,
+    ACPI_HANDLE             Parent,
+    ACPI_HANDLE             Child,
+    ACPI_HANDLE             *RetHandle)
+{
+    ACPI_STATUS             Status;
+    ACPI_NAMESPACE_NODE     *Node;
+    ACPI_NAMESPACE_NODE     *ParentNode = NULL;
+    ACPI_NAMESPACE_NODE     *ChildNode = NULL;
+
+
+    /* Parameter validation */
+
+    if (Type > ACPI_TYPE_EXTERNAL_MAX)
+    {
+        return (AE_BAD_PARAMETER);
+    }
+
+    Status = AcpiUtAcquireMutex (ACPI_MTX_NAMESPACE);
+    if (ACPI_FAILURE (Status))
+    {
+        return (Status);
+    }
+
+    /* If null handle, use the parent */
+
+    if (!Child)
+    {
+        /* Start search at the beginning of the specified scope */
+
+        ParentNode = AcpiNsMapHandleToNode (Parent);
+        if (!ParentNode)
+        {
+            Status = AE_BAD_PARAMETER;
+            goto UnlockAndExit;
+        }
+    }
+    else
+    {
+        /* Non-null handle, ignore the parent */
+        /* Convert and validate the handle */
+
+        ChildNode = AcpiNsMapHandleToNode (Child);
+        if (!ChildNode)
+        {
+            Status = AE_BAD_PARAMETER;
+            goto UnlockAndExit;
+        }
+    }
+
+    /* Internal function does the real work */
+
+    Node = AcpiNsGetNextNode (Type, ParentNode, ChildNode);
+    if (!Node)
+    {
+        Status = AE_NOT_FOUND;
+        goto UnlockAndExit;
+    }
+
+    if (RetHandle)
+    {
+        *RetHandle = AcpiNsConvertEntryToHandle (Node);
+    }
+
+
+UnlockAndExit:
+
+    (void) AcpiUtReleaseMutex (ACPI_MTX_NAMESPACE);
+    return (Status);
+}
+
+
diff --git a/sys/contrib/dev/acpica/psargs.c b/sys/contrib/dev/acpica/psargs.c
new file mode 100644
index 0000000..1b9e1a4
--- /dev/null
+++ b/sys/contrib/dev/acpica/psargs.c
@@ -0,0 +1,846 @@
+/******************************************************************************
+ *
+ * Module Name: psargs - Parse AML opcode arguments
+ *              $Revision: 65 $
+ *
+ *****************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+#define __PSARGS_C__
+
+#include "acpi.h"
+#include "acparser.h"
+#include "amlcode.h"
+#include "acnamesp.h"
+
+#define _COMPONENT          ACPI_PARSER
+        ACPI_MODULE_NAME    ("psargs")
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiPsGetNextPackageLength
+ *
+ * PARAMETERS:  ParserState         - Current parser state object
+ *
+ * RETURN:      Decoded package length.  On completion, the AML pointer points
+ *              past the length byte or bytes.
+ *
+ * DESCRIPTION: Decode and return a package length field
+ *
+ ******************************************************************************/
+
+UINT32
+AcpiPsGetNextPackageLength (
+    ACPI_PARSE_STATE        *ParserState)
+{
+    UINT32                  EncodedLength;
+    UINT32                  Length = 0;
+
+
+    ACPI_FUNCTION_TRACE ("PsGetNextPackageLength");
+
+
+    EncodedLength = (UINT32) ACPI_GET8 (ParserState->Aml);
+    ParserState->Aml++;
+
+
+    switch (EncodedLength >> 6) /* bits 6-7 contain encoding scheme */
+    {
+    case 0: /* 1-byte encoding (bits 0-5) */
+
+        Length = (EncodedLength & 0x3F);
+        break;
+
+
+    case 1: /* 2-byte encoding (next byte + bits 0-3) */
+
+        Length = ((ACPI_GET8 (ParserState->Aml) << 04) |
+                 (EncodedLength & 0x0F));
+        ParserState->Aml++;
+        break;
+
+
+    case 2: /* 3-byte encoding (next 2 bytes + bits 0-3) */
+
+        Length = ((ACPI_GET8 (ParserState->Aml + 1) << 12) |
+                  (ACPI_GET8 (ParserState->Aml)     << 04) |
+                  (EncodedLength & 0x0F));
+        ParserState->Aml += 2;
+        break;
+
+
+    case 3: /* 4-byte encoding (next 3 bytes + bits 0-3) */
+
+        Length = ((ACPI_GET8 (ParserState->Aml + 2) << 20) |
+                  (ACPI_GET8 (ParserState->Aml + 1) << 12) |
+                  (ACPI_GET8 (ParserState->Aml)     << 04) |
+                  (EncodedLength & 0x0F));
+        ParserState->Aml += 3;
+        break;
+
+    default:
+
+        /* Can't get here, only 2 bits / 4 cases */
+        break;
+    }
+
+    return_VALUE (Length);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiPsGetNextPackageEnd
+ *
+ * PARAMETERS:  ParserState         - Current parser state object
+ *
+ * RETURN:      Pointer to end-of-package +1
+ *
+ * DESCRIPTION: Get next package length and return a pointer past the end of
+ *              the package.  Consumes the package length field
+ *
+ ******************************************************************************/
+
+UINT8 *
+AcpiPsGetNextPackageEnd (
+    ACPI_PARSE_STATE        *ParserState)
+{
+    UINT8                   *Start = ParserState->Aml;
+    NATIVE_UINT             Length;
+
+
+    ACPI_FUNCTION_TRACE ("PsGetNextPackageEnd");
+
+
+    /* Function below changes ParserState->Aml */
+
+    Length = (NATIVE_UINT) AcpiPsGetNextPackageLength (ParserState);
+
+    return_PTR (Start + Length); /* end of package */
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiPsGetNextNamestring
+ *
+ * PARAMETERS:  ParserState         - Current parser state object
+ *
+ * RETURN:      Pointer to the start of the name string (pointer points into
+ *              the AML.
+ *
+ * DESCRIPTION: Get next raw namestring within the AML stream.  Handles all name
+ *              prefix characters.  Set parser state to point past the string.
+ *              (Name is consumed from the AML.)
+ *
+ ******************************************************************************/
+
+NATIVE_CHAR *
+AcpiPsGetNextNamestring (
+    ACPI_PARSE_STATE        *ParserState)
+{
+    UINT8                   *Start = ParserState->Aml;
+    UINT8                   *End = ParserState->Aml;
+
+
+    ACPI_FUNCTION_TRACE ("PsGetNextNamestring");
+
+
+    /* Handle multiple prefix characters */
+
+    while (AcpiPsIsPrefixChar (ACPI_GET8 (End)))
+    {
+        /* Include prefix '\\' or '^' */
+
+        End++;
+    }
+
+    /* Decode the path */
+
+    switch (ACPI_GET8 (End))
+    {
+    case 0:
+
+        /* NullName */
+
+        if (End == Start)
+        {
+            Start = NULL;
+        }
+        End++;
+        break;
+
+    case AML_DUAL_NAME_PREFIX:
+
+        /* Two name segments */
+
+        End += 1 + (2 * ACPI_NAME_SIZE);
+        break;
+
+    case AML_MULTI_NAME_PREFIX_OP:
+
+        /* Multiple name segments, 4 chars each */
+
+        End += 2 + ((ACPI_SIZE) ACPI_GET8 (End + 1) * ACPI_NAME_SIZE);
+        break;
+
+    default:
+
+        /* Single name segment */
+
+        End += ACPI_NAME_SIZE;
+        break;
+    }
+
+    ParserState->Aml = (UINT8*) End;
+    return_PTR ((NATIVE_CHAR *) Start);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiPsGetNextNamepath
+ *
+ * PARAMETERS:  ParserState         - Current parser state object
+ *              Arg                 - Where the namepath will be stored
+ *              ArgCount            - If the namepath points to a control method
+ *                                    the method's argument is returned here.
+ *              MethodCall          - Whether the namepath can possibly be the
+ *                                    start of a method call
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Get next name (if method call, return # of required args).
+ *              Names are looked up in the internal namespace to determine
+ *              if the name represents a control method.  If a method
+ *              is found, the number of arguments to the method is returned.
+ *              This information is critical for parsing to continue correctly.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiPsGetNextNamepath (
+    ACPI_WALK_STATE         *WalkState,
+    ACPI_PARSE_STATE        *ParserState,
+    ACPI_PARSE_OBJECT       *Arg,
+    BOOLEAN                 MethodCall)
+{
+    NATIVE_CHAR             *Path;
+    ACPI_PARSE_OBJECT       *NameOp;
+    ACPI_STATUS             Status = AE_OK;
+    ACPI_OPERAND_OBJECT     *MethodDesc;
+    ACPI_NAMESPACE_NODE     *Node;
+    ACPI_GENERIC_STATE      ScopeInfo;
+
+
+    ACPI_FUNCTION_TRACE ("PsGetNextNamepath");
+
+
+    Path = AcpiPsGetNextNamestring (ParserState);
+
+    /* Null path case is allowed */
+
+    if (Path)
+    {
+        /*
+         * Lookup the name in the internal namespace
+         */
+        ScopeInfo.Scope.Node = NULL;
+        Node = ParserState->StartNode;
+        if (Node)
+        {
+            ScopeInfo.Scope.Node = Node;
+        }
+
+        /*
+         * Lookup object.  We don't want to add anything new to the namespace
+         * here, however.  So we use MODE_EXECUTE.  Allow searching of the
+         * parent tree, but don't open a new scope -- we just want to lookup the
+         * object  (MUST BE mode EXECUTE to perform upsearch)
+         */
+        Status = AcpiNsLookup (&ScopeInfo, Path, ACPI_TYPE_ANY, ACPI_IMODE_EXECUTE,
+                    ACPI_NS_SEARCH_PARENT | ACPI_NS_DONT_OPEN_SCOPE, NULL, &Node);
+        if (ACPI_SUCCESS (Status) && MethodCall)
+        {
+            if (Node->Type == ACPI_TYPE_METHOD)
+            {
+                /*
+                 * This name is actually a control method invocation
+                 */
+                MethodDesc = AcpiNsGetAttachedObject (Node);
+                ACPI_DEBUG_PRINT ((ACPI_DB_PARSE, 
+                    "Control Method - %p Desc %p Path=%p\n",
+                    Node, MethodDesc, Path));
+
+                NameOp = AcpiPsAllocOp (AML_INT_NAMEPATH_OP);
+                if (!NameOp)
+                {
+                    return_ACPI_STATUS (AE_NO_MEMORY);
+                }
+
+                /* Change arg into a METHOD CALL and attach name to it */
+
+                AcpiPsInitOp (Arg, AML_INT_METHODCALL_OP);
+                NameOp->Common.Value.Name = Path;
+
+                /* Point METHODCALL/NAME to the METHOD Node */
+
+                NameOp->Common.Node = Node;
+                AcpiPsAppendArg (Arg, NameOp);
+
+                if (!MethodDesc)
+                {
+                    ACPI_DEBUG_PRINT ((ACPI_DB_PARSE, 
+                        "Control Method - %p has no attached object\n",
+                        Node));
+                    return_ACPI_STATUS (AE_AML_INTERNAL);
+                }
+
+                ACPI_DEBUG_PRINT ((ACPI_DB_PARSE, 
+                    "Control Method - %p Args %X\n",
+                    Node, MethodDesc->Method.ParamCount));
+
+                /* Get the number of arguments to expect */
+
+                WalkState->ArgCount = MethodDesc->Method.ParamCount;
+                return_ACPI_STATUS (AE_OK);
+            }
+
+            /*
+             * Else this is normal named object reference.
+             * Just init the NAMEPATH object with the pathname.
+             * (See code below)
+             */
+        }
+
+        if (ACPI_FAILURE (Status))
+        {
+            /* 
+             * 1) Any error other than NOT_FOUND is always severe
+             * 2) NOT_FOUND is only important if we are executing a method.
+             * 3) If executing a CondRefOf opcode, NOT_FOUND is ok.
+             */
+            if ((((WalkState->ParseFlags & ACPI_PARSE_MODE_MASK) == ACPI_PARSE_EXECUTE) && 
+                (Status == AE_NOT_FOUND)                                                && 
+                (WalkState->Op->Common.AmlOpcode != AML_COND_REF_OF_OP)) ||
+
+                (Status != AE_NOT_FOUND))
+            {
+                ACPI_REPORT_NSERROR (Path, Status);
+            }
+            else
+            {
+                /*
+                 * We got a NOT_FOUND during table load or we encountered
+                 * a CondRefOf(x) where the target does not exist.
+                 * -- either case is ok 
+                 */
+                Status = AE_OK;
+            }
+        }
+    }
+
+    /*
+     * Regardless of success/failure above,  
+     * Just initialize the Op with the pathname.
+     */
+    AcpiPsInitOp (Arg, AML_INT_NAMEPATH_OP);
+    Arg->Common.Value.Name = Path;
+
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiPsGetNextSimpleArg
+ *
+ * PARAMETERS:  ParserState         - Current parser state object
+ *              ArgType             - The argument type (AML_*_ARG)
+ *              Arg                 - Where the argument is returned
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Get the next simple argument (constant, string, or namestring)
+ *
+ ******************************************************************************/
+
+void
+AcpiPsGetNextSimpleArg (
+    ACPI_PARSE_STATE        *ParserState,
+    UINT32                  ArgType,
+    ACPI_PARSE_OBJECT       *Arg)
+{
+
+    ACPI_FUNCTION_TRACE_U32 ("PsGetNextSimpleArg", ArgType);
+
+
+    switch (ArgType)
+    {
+    case ARGP_BYTEDATA:
+
+        AcpiPsInitOp (Arg, AML_BYTE_OP);
+        Arg->Common.Value.Integer = (UINT32) ACPI_GET8 (ParserState->Aml);
+        ParserState->Aml++;
+        break;
+
+
+    case ARGP_WORDDATA:
+
+        AcpiPsInitOp (Arg, AML_WORD_OP);
+
+        /* Get 2 bytes from the AML stream */
+
+        ACPI_MOVE_UNALIGNED16_TO_32 (&Arg->Common.Value.Integer, ParserState->Aml);
+        ParserState->Aml += 2;
+        break;
+
+
+    case ARGP_DWORDDATA:
+
+        AcpiPsInitOp (Arg, AML_DWORD_OP);
+
+        /* Get 4 bytes from the AML stream */
+
+        ACPI_MOVE_UNALIGNED32_TO_32 (&Arg->Common.Value.Integer, ParserState->Aml);
+        ParserState->Aml += 4;
+        break;
+
+
+    case ARGP_QWORDDATA:
+
+        AcpiPsInitOp (Arg, AML_QWORD_OP);
+
+        /* Get 8 bytes from the AML stream */
+
+        ACPI_MOVE_UNALIGNED64_TO_64 (&Arg->Common.Value.Integer, ParserState->Aml);
+        ParserState->Aml += 8;
+        break;
+
+
+    case ARGP_CHARLIST:
+
+        AcpiPsInitOp (Arg, AML_STRING_OP);
+        Arg->Common.Value.String = (char *) ParserState->Aml;
+
+        while (ACPI_GET8 (ParserState->Aml) != '\0')
+        {
+            ParserState->Aml++;
+        }
+        ParserState->Aml++;
+        break;
+
+
+    case ARGP_NAME:
+    case ARGP_NAMESTRING:
+
+        AcpiPsInitOp (Arg, AML_INT_NAMEPATH_OP);
+        Arg->Common.Value.Name = AcpiPsGetNextNamestring (ParserState);
+        break;
+
+
+    default:
+
+        ACPI_REPORT_ERROR (("Invalid ArgType %X\n", ArgType));
+        break;
+    }
+
+    return_VOID;
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiPsGetNextField
+ *
+ * PARAMETERS:  ParserState         - Current parser state object
+ *
+ * RETURN:      A newly allocated FIELD op
+ *
+ * DESCRIPTION: Get next field (NamedField, ReservedField, or AccessField)
+ *
+ ******************************************************************************/
+
+ACPI_PARSE_OBJECT *
+AcpiPsGetNextField (
+    ACPI_PARSE_STATE        *ParserState)
+{
+    UINT32                  AmlOffset = ACPI_PTR_DIFF (ParserState->Aml,
+                                                       ParserState->AmlStart);
+    ACPI_PARSE_OBJECT       *Field;
+    UINT16                  Opcode;
+    UINT32                  Name;
+
+
+    ACPI_FUNCTION_TRACE ("PsGetNextField");
+
+
+    /* determine field type */
+
+    switch (ACPI_GET8 (ParserState->Aml))
+    {
+    default:
+
+        Opcode = AML_INT_NAMEDFIELD_OP;
+        break;
+
+    case 0x00:
+
+        Opcode = AML_INT_RESERVEDFIELD_OP;
+        ParserState->Aml++;
+        break;
+
+    case 0x01:
+
+        Opcode = AML_INT_ACCESSFIELD_OP;
+        ParserState->Aml++;
+        break;
+    }
+
+
+    /* Allocate a new field op */
+
+    Field = AcpiPsAllocOp (Opcode);
+    if (!Field)
+    {
+        return_PTR (NULL);
+    }
+
+    Field->Common.AmlOffset = AmlOffset;
+
+    /* Decode the field type */
+
+    switch (Opcode)
+    {
+    case AML_INT_NAMEDFIELD_OP:
+
+        /* Get the 4-character name */
+
+        ACPI_MOVE_UNALIGNED32_TO_32 (&Name, ParserState->Aml);
+        AcpiPsSetName (Field, Name);
+        ParserState->Aml += ACPI_NAME_SIZE;
+
+        /* Get the length which is encoded as a package length */
+
+        Field->Common.Value.Size = AcpiPsGetNextPackageLength (ParserState);
+        break;
+
+
+    case AML_INT_RESERVEDFIELD_OP:
+
+        /* Get the length which is encoded as a package length */
+
+        Field->Common.Value.Size = AcpiPsGetNextPackageLength (ParserState);
+        break;
+
+
+    case AML_INT_ACCESSFIELD_OP:
+
+        /*
+         * Get AccessType and AccessAttrib and merge into the field Op
+         * AccessType is first operand, AccessAttribute is second
+         */
+        Field->Common.Value.Integer32 = (ACPI_GET8 (ParserState->Aml) << 8);
+        ParserState->Aml++;
+        Field->Common.Value.Integer32 |= ACPI_GET8 (ParserState->Aml);
+        ParserState->Aml++;
+        break;
+
+    default:
+
+        /* Opcode was set in previous switch */
+        break;
+    }
+
+    return_PTR (Field);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiPsGetNextArg
+ *
+ * PARAMETERS:  ParserState         - Current parser state object
+ *              ArgType             - The argument type (AML_*_ARG)
+ *              ArgCount            - If the argument points to a control method
+ *                                    the method's argument is returned here.
+ *
+ * RETURN:      Status, and an op object containing the next argument.
+ *
+ * DESCRIPTION: Get next argument (including complex list arguments that require
+ *              pushing the parser stack)
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiPsGetNextArg (
+    ACPI_WALK_STATE         *WalkState,
+    ACPI_PARSE_STATE        *ParserState,
+    UINT32                  ArgType,
+    ACPI_PARSE_OBJECT       **ReturnArg)
+{
+    ACPI_PARSE_OBJECT       *Arg = NULL;
+    ACPI_PARSE_OBJECT       *Prev = NULL;
+    ACPI_PARSE_OBJECT       *Field;
+    UINT32                  Subop;
+    ACPI_STATUS             Status = AE_OK;
+
+
+    ACPI_FUNCTION_TRACE_PTR ("PsGetNextArg", ParserState);
+
+
+    switch (ArgType)
+    {
+    case ARGP_BYTEDATA:
+    case ARGP_WORDDATA:
+    case ARGP_DWORDDATA:
+    case ARGP_CHARLIST:
+    case ARGP_NAME:
+    case ARGP_NAMESTRING:
+
+        /* constants, strings, and namestrings are all the same size */
+
+        Arg = AcpiPsAllocOp (AML_BYTE_OP);
+        if (!Arg)
+        {
+            return_ACPI_STATUS (AE_NO_MEMORY);
+        }
+        AcpiPsGetNextSimpleArg (ParserState, ArgType, Arg);
+        break;
+
+
+    case ARGP_PKGLENGTH:
+
+        /* Package length, nothing returned */
+
+        ParserState->PkgEnd = AcpiPsGetNextPackageEnd (ParserState);
+        break;
+
+
+    case ARGP_FIELDLIST:
+
+        if (ParserState->Aml < ParserState->PkgEnd)
+        {
+            /* Non-empty list */
+
+            while (ParserState->Aml < ParserState->PkgEnd)
+            {
+                Field = AcpiPsGetNextField (ParserState);
+                if (!Field)
+                {
+                    return_ACPI_STATUS (AE_NO_MEMORY);
+                }
+
+                if (Prev)
+                {
+                    Prev->Common.Next = Field;
+                }
+                else
+                {
+                    Arg = Field;
+                }
+
+                Prev = Field;
+            }
+
+            /* Skip to End of byte data */
+
+            ParserState->Aml = ParserState->PkgEnd;
+        }
+        break;
+
+
+    case ARGP_BYTELIST:
+
+        if (ParserState->Aml < ParserState->PkgEnd)
+        {
+            /* Non-empty list */
+
+            Arg = AcpiPsAllocOp (AML_INT_BYTELIST_OP);
+            if (!Arg)
+            {
+                return_ACPI_STATUS (AE_NO_MEMORY);
+            }
+
+            /* Fill in bytelist data */
+
+            Arg->Common.Value.Size = ACPI_PTR_DIFF (ParserState->PkgEnd, 
+                                                    ParserState->Aml);
+            Arg->Named.Data = ParserState->Aml;
+
+            /* Skip to End of byte data */
+
+            ParserState->Aml = ParserState->PkgEnd;
+        }
+        break;
+
+
+    case ARGP_TARGET:
+    case ARGP_SUPERNAME:
+    case ARGP_SIMPLENAME:
+
+        Subop = AcpiPsPeekOpcode (ParserState);
+        if (Subop == 0                  ||
+            AcpiPsIsLeadingChar (Subop) ||
+            AcpiPsIsPrefixChar (Subop))
+        {
+            /* NullName or NameString */
+
+            Arg = AcpiPsAllocOp (AML_INT_NAMEPATH_OP);
+            if (!Arg)
+            {
+                return_ACPI_STATUS (AE_NO_MEMORY);
+            }
+
+            Status = AcpiPsGetNextNamepath (WalkState, ParserState, Arg, 0);
+        }
+        else
+        {
+            /* single complex argument, nothing returned */
+
+            WalkState->ArgCount = 1;
+        }
+        break;
+
+
+    case ARGP_DATAOBJ:
+    case ARGP_TERMARG:
+
+        /* single complex argument, nothing returned */
+
+        WalkState->ArgCount = 1;
+        break;
+
+
+    case ARGP_DATAOBJLIST:
+    case ARGP_TERMLIST:
+    case ARGP_OBJLIST:
+
+        if (ParserState->Aml < ParserState->PkgEnd)
+        {
+            /* non-empty list of variable arguments, nothing returned */
+
+            WalkState->ArgCount = ACPI_VAR_ARGS;
+        }
+        break;
+
+
+    default:
+
+        ACPI_REPORT_ERROR (("Invalid ArgType: %X\n", ArgType));
+        Status = AE_AML_OPERAND_TYPE;
+        break;
+    }
+
+    *ReturnArg = Arg;
+    return_ACPI_STATUS (Status);
+}
diff --git a/sys/contrib/dev/acpica/psfind.c b/sys/contrib/dev/acpica/psfind.c
new file mode 100644
index 0000000..6862843
--- /dev/null
+++ b/sys/contrib/dev/acpica/psfind.c
@@ -0,0 +1,485 @@
+
+/******************************************************************************
+ *
+ * Module Name: psfind - Parse tree search routine
+ *              $Revision: 42 $
+ *
+ *****************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+
+#define __PSFIND_C__
+
+#include "acpi.h"
+#include "acparser.h"
+#include "amlcode.h"
+
+#define _COMPONENT          ACPI_PARSER
+        ACPI_MODULE_NAME    ("psfind")
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiPsGetParent
+ *
+ * PARAMETERS:  Op              - Get the parent of this Op
+ *
+ * RETURN:      The Parent op.
+ *
+ * DESCRIPTION: Get op's parent
+ *
+ ******************************************************************************/
+
+ACPI_PARSE_OBJECT*
+AcpiPsGetParent (
+    ACPI_PARSE_OBJECT       *Op)
+{
+    ACPI_PARSE_OBJECT       *Parent = Op;
+
+
+    /* Traverse the tree upward (to root if necessary) */
+
+    while (Parent)
+    {
+        switch (Parent->Common.AmlOpcode)
+        {
+        case AML_SCOPE_OP:
+        case AML_PACKAGE_OP:
+        case AML_METHOD_OP:
+        case AML_DEVICE_OP:
+        case AML_POWER_RES_OP:
+        case AML_THERMAL_ZONE_OP:
+
+            return (Parent->Common.Parent);
+
+        default:
+            break;
+        }
+
+        Parent = Parent->Common.Parent;
+    }
+
+    return (Parent);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiPsFindName
+ *
+ * PARAMETERS:  Scope           - Scope to search
+ *              Name            - ACPI name to search for
+ *              Opcode          - Opcode to search for
+ *
+ * RETURN:      Op containing the name
+ *
+ * DESCRIPTION: Find name segment from a list of acpi_ops.  Searches a single
+ *              scope, no more.
+ *
+ ******************************************************************************/
+
+ACPI_PARSE_OBJECT *
+AcpiPsFindName (
+    ACPI_PARSE_OBJECT       *Scope,
+    UINT32                  Name,
+    UINT32                  Opcode)
+{
+    ACPI_PARSE_OBJECT       *Op;
+    ACPI_PARSE_OBJECT       *Field;
+    const ACPI_OPCODE_INFO  *OpInfo;
+
+
+    /* search scope level for matching name segment */
+
+    Op = AcpiPsGetChild (Scope);
+
+    while (Op)
+    {
+        OpInfo = AcpiPsGetOpcodeInfo (Op->Common.AmlOpcode);
+
+        /* Check AML_CREATE first (since some opcodes have AML_FIELD set also )*/
+
+        if (OpInfo->Flags & AML_CREATE)
+        {
+            if (Op->Common.AmlOpcode == AML_CREATE_FIELD_OP)
+            {
+                Field = AcpiPsGetArg (Op, 3);
+            }
+            else
+            {
+                /* CreateXXXField, check name */
+
+                Field = AcpiPsGetArg (Op, 2);
+            }
+
+            if ((Field) &&
+                (Field->Common.Value.String) &&
+                (!ACPI_STRNCMP (Field->Common.Value.String, (char *) &Name, ACPI_NAME_SIZE)))
+            {
+                return (Op);
+            }
+        }
+        else if (OpInfo->Flags & AML_FIELD)
+        {
+            /* Field, search named fields */
+
+            Field = AcpiPsGetChild (Op);
+            while (Field)
+            {
+                OpInfo = AcpiPsGetOpcodeInfo (Field->Common.AmlOpcode);
+
+                if ((OpInfo->Flags & AML_NAMED) &&
+                   AcpiPsGetName (Field) == Name &&
+                   (!Opcode || Field->Common.AmlOpcode == Opcode))
+                {
+                    return (Field);
+                }
+
+                Field = Field->Common.Next;
+            }
+        }
+        else if ((OpInfo->Flags & AML_NAMED) &&
+                 (AcpiPsGetName (Op) == Name) &&
+                 (!Opcode || Op->Common.AmlOpcode == Opcode || Opcode == AML_SCOPE_OP))
+        {
+            break;
+        }
+
+        Op = Op->Common.Next;
+    }
+
+    return (Op);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiPsFind
+ *
+ * PARAMETERS:  Scope           - Where to begin the search
+ *              Path            - ACPI Path to the named object
+ *              Opcode          - Opcode associated with the object
+ *              Create          - if TRUE, create the object if not found.
+ *
+ * RETURN:      Op if found, NULL otherwise.
+ *
+ * DESCRIPTION: Find object within scope
+ *
+ ******************************************************************************/
+
+ACPI_PARSE_OBJECT*
+AcpiPsFind (
+    ACPI_PARSE_OBJECT       *Scope,
+    NATIVE_CHAR             *Path,
+    UINT16                  Opcode,
+    UINT32                  Create)
+{
+    UINT32                  SegCount;
+    UINT32                  Name;
+    UINT32                  NameOp;
+    ACPI_PARSE_OBJECT       *Op = NULL;
+    BOOLEAN                 Unprefixed = TRUE;
+
+
+    ACPI_FUNCTION_TRACE_PTR ("PsFind", Scope);
+
+
+    if (!Scope || !Path)
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_PARSE, "Null path (%p) or scope (%p)!\n",
+            Path, Scope));
+        return_PTR (NULL);
+    }
+
+    AcpiGbl_PsFindCount++;
+
+#if 0 
+    if ((Create) && (Opcode == AML_SCOPE_OP))
+    {
+        Op = AcpiPsAllocOp (AML_SCOPE_OP);
+        if (Op)
+        {
+            AcpiPsSetName (Op, 'XXXX');
+            AcpiPsAppendArg (Scope, Op);
+        }
+/*        return_PTR (Op);*/
+    }
+#endif
+
+    /* Handle all prefixes in the name path */
+
+    while (AcpiPsIsPrefixChar (ACPI_GET8 (Path)))
+    {
+        switch (ACPI_GET8 (Path))
+        {
+        case '\\':
+
+            /* Could just use a global for "root scope" here */
+
+            while (Scope->Common.Parent)
+            {
+                Scope = Scope->Common.Parent;
+            }
+            break;
+
+
+        case '^':
+
+            /* Go up to the next valid scoping Op (method, scope, etc.) */
+
+            if (AcpiPsGetParent (Scope))
+            {
+                Scope = AcpiPsGetParent (Scope);
+            }
+            break;
+
+        default:
+            /* Should not get here */
+            break;
+        }
+
+        Unprefixed = FALSE;
+        Path++;
+    }
+
+
+    /* get name segment count */
+
+    switch (ACPI_GET8 (Path))
+    {
+    case 0:
+        SegCount = 0;
+
+        /* Null name case */
+
+        if (Unprefixed)
+        {
+            Op = NULL;
+        }
+        else
+        {
+            Op = Scope;
+        }
+
+
+        ACPI_DEBUG_PRINT ((ACPI_DB_PARSE,
+            "Null path, returning current root scope Op=%p\n", Op));
+        return_PTR (Op);
+
+    case AML_DUAL_NAME_PREFIX:
+        SegCount = 2;
+        Path++;
+        break;
+
+    case AML_MULTI_NAME_PREFIX_OP:
+        SegCount = ACPI_GET8 (Path + 1);
+        Path += 2;
+        break;
+
+    default:
+        SegCount = 1;
+        break;
+    }
+
+    ACPI_DEBUG_PRINT ((ACPI_DB_PARSE,
+        "Search scope %p Segs=%d Opcode=%4.4hX Create=%d\n",
+        Scope, SegCount, Opcode, Create));
+
+
+    /* match each name segment */
+
+    while (Scope && SegCount)
+    {
+        ACPI_MOVE_UNALIGNED32_TO_32 (&Name, Path);
+        Path += 4;
+        SegCount --;
+
+        if (SegCount)
+        {
+            NameOp = 0;
+        }
+        else
+        {
+            NameOp = Opcode;
+        }
+
+        Op = AcpiPsFindName (Scope, Name, NameOp);
+        if (Op)
+        {
+            ACPI_DEBUG_PRINT ((ACPI_DB_PARSE,
+                "[%4.4s] Found! Op=%p Opcode=%4.4hX\n",
+                (char *) &Name, Op, Op->Common.AmlOpcode));
+        }
+
+        if (!Op)
+        {
+            if (Create)
+            {
+                /* Create a new Scope level */
+
+                if (SegCount)
+                {
+                    Op = AcpiPsAllocOp (AML_SCOPE_OP);
+                }
+                else
+                {
+                    Op = AcpiPsAllocOp (Opcode);
+                }
+
+                if (Op)
+                {
+                    AcpiPsSetName (Op, Name);
+                    AcpiPsAppendArg (Scope, Op);
+
+                    ACPI_DEBUG_PRINT ((ACPI_DB_PARSE,
+                        "[%4.4s] Not found, created Op=%p Opcode=%4.4hX\n",
+                        (char *) &Name, Op, Opcode));
+                }
+            }
+
+            else if (Unprefixed)
+            {
+                /* Search higher scopes for unprefixed name */
+
+                while (!Op && Scope->Common.Parent)
+                {
+                    Scope = Scope->Common.Parent;
+                    Op = AcpiPsFindName (Scope, Name, Opcode);
+                    if (Op)
+                    {
+                        ACPI_DEBUG_PRINT ((ACPI_DB_PARSE,
+                            "[%4.4s] Found in parent tree! Op=%p Opcode=%4.4hX\n",
+                            (char *) &Name, Op, Op->Common.AmlOpcode));
+                    }
+                    else
+                    {
+                        ACPI_DEBUG_PRINT ((ACPI_DB_PARSE,
+                            "[%4.4s] Not found in parent=%p\n",
+                            (char *) &Name, Scope));
+                    }
+                }
+            }
+            else
+            {
+                ACPI_DEBUG_PRINT ((ACPI_DB_PARSE,
+                    "Segment [%4.4s] Not Found in scope %p!\n",
+                    (char *) &Name, Scope));
+            }
+        }
+
+        Unprefixed = FALSE;
+        Scope = Op;
+    }
+
+    return_PTR (Op);
+}
+
+
diff --git a/sys/contrib/dev/acpica/psopcode.c b/sys/contrib/dev/acpica/psopcode.c
new file mode 100644
index 0000000..ab2f137
--- /dev/null
+++ b/sys/contrib/dev/acpica/psopcode.c
@@ -0,0 +1,846 @@
+/******************************************************************************
+ *
+ * Module Name: psopcode - Parser/Interpreter opcode information table
+ *              $Revision: 73 $
+ *
+ *****************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+
+#include "acpi.h"
+#include "acparser.h"
+#include "amlcode.h"
+
+
+#define _COMPONENT          ACPI_PARSER
+        ACPI_MODULE_NAME    ("psopcode")
+
+
+#define _UNK                        0x6B
+/*
+ * Reserved ASCII characters.  Do not use any of these for
+ * internal opcodes, since they are used to differentiate
+ * name strings from AML opcodes
+ */
+#define _ASC                        0x6C
+#define _NAM                        0x6C
+#define _PFX                        0x6D
+#define _UNKNOWN_OPCODE             0x02    /* An example unknown opcode */
+
+#define MAX_EXTENDED_OPCODE         0x88
+#define NUM_EXTENDED_OPCODE         (MAX_EXTENDED_OPCODE + 1)
+#define MAX_INTERNAL_OPCODE
+#define NUM_INTERNAL_OPCODE         (MAX_INTERNAL_OPCODE + 1)
+
+
+/*******************************************************************************
+ *
+ * NAME:        AcpiGbl_AmlOpInfo
+ *
+ * DESCRIPTION: Opcode table. Each entry contains <opcode, type, name, operands>
+ *              The name is a simple ascii string, the operand specifier is an
+ *              ascii string with one letter per operand.  The letter specifies
+ *              the operand type.
+ *
+ ******************************************************************************/
+
+
+/*
+ * All AML opcodes and the parse-time arguments for each.  Used by the AML parser  Each list is compressed
+ * into a 32-bit number and stored in the master opcode table at the end of this file.
+ */
+
+
+#define ARGP_ACCESSFIELD_OP             ARGP_LIST1 (ARGP_NAMESTRING)
+#define ARGP_ACQUIRE_OP                 ARGP_LIST2 (ARGP_SUPERNAME,  ARGP_WORDDATA)
+#define ARGP_ADD_OP                     ARGP_LIST3 (ARGP_TERMARG,    ARGP_TERMARG,       ARGP_TARGET)
+#define ARGP_ALIAS_OP                   ARGP_LIST2 (ARGP_NAMESTRING, ARGP_NAME)
+#define ARGP_ARG0                       ARG_NONE
+#define ARGP_ARG1                       ARG_NONE
+#define ARGP_ARG2                       ARG_NONE
+#define ARGP_ARG3                       ARG_NONE
+#define ARGP_ARG4                       ARG_NONE
+#define ARGP_ARG5                       ARG_NONE
+#define ARGP_ARG6                       ARG_NONE
+#define ARGP_BANK_FIELD_OP              ARGP_LIST6 (ARGP_PKGLENGTH,  ARGP_NAMESTRING,    ARGP_NAMESTRING,ARGP_TERMARG,   ARGP_BYTEDATA,  ARGP_FIELDLIST)
+#define ARGP_BIT_AND_OP                 ARGP_LIST3 (ARGP_TERMARG,    ARGP_TERMARG,       ARGP_TARGET)
+#define ARGP_BIT_NAND_OP                ARGP_LIST3 (ARGP_TERMARG,    ARGP_TERMARG,       ARGP_TARGET)
+#define ARGP_BIT_NOR_OP                 ARGP_LIST3 (ARGP_TERMARG,    ARGP_TERMARG,       ARGP_TARGET)
+#define ARGP_BIT_NOT_OP                 ARGP_LIST2 (ARGP_TERMARG,    ARGP_TARGET)
+#define ARGP_BIT_OR_OP                  ARGP_LIST3 (ARGP_TERMARG,    ARGP_TERMARG,       ARGP_TARGET)
+#define ARGP_BIT_XOR_OP                 ARGP_LIST3 (ARGP_TERMARG,    ARGP_TERMARG,       ARGP_TARGET)
+#define ARGP_BREAK_OP                   ARG_NONE
+#define ARGP_BREAK_POINT_OP             ARG_NONE
+#define ARGP_BUFFER_OP                  ARGP_LIST3 (ARGP_PKGLENGTH,  ARGP_TERMARG,       ARGP_BYTELIST)
+#define ARGP_BYTE_OP                    ARGP_LIST1 (ARGP_BYTEDATA)
+#define ARGP_BYTELIST_OP                ARGP_LIST1 (ARGP_NAMESTRING)
+#define ARGP_CONCAT_OP                  ARGP_LIST3 (ARGP_TERMARG,    ARGP_TERMARG,       ARGP_TARGET)
+#define ARGP_CONCAT_RES_OP              ARGP_LIST3 (ARGP_TERMARG,    ARGP_TERMARG,       ARGP_TARGET)
+#define ARGP_COND_REF_OF_OP             ARGP_LIST2 (ARGP_SUPERNAME,  ARGP_SUPERNAME)
+#define ARGP_CONTINUE_OP                ARG_NONE
+#define ARGP_COPY_OP                    ARGP_LIST2 (ARGP_SUPERNAME,  ARGP_SIMPLENAME)
+#define ARGP_CREATE_BIT_FIELD_OP        ARGP_LIST3 (ARGP_TERMARG,    ARGP_TERMARG,       ARGP_NAME)
+#define ARGP_CREATE_BYTE_FIELD_OP       ARGP_LIST3 (ARGP_TERMARG,    ARGP_TERMARG,       ARGP_NAME)
+#define ARGP_CREATE_DWORD_FIELD_OP      ARGP_LIST3 (ARGP_TERMARG,    ARGP_TERMARG,       ARGP_NAME)
+#define ARGP_CREATE_FIELD_OP            ARGP_LIST4 (ARGP_TERMARG,    ARGP_TERMARG,       ARGP_TERMARG,   ARGP_NAME)
+#define ARGP_CREATE_QWORD_FIELD_OP      ARGP_LIST3 (ARGP_TERMARG,    ARGP_TERMARG,       ARGP_NAME)
+#define ARGP_CREATE_WORD_FIELD_OP       ARGP_LIST3 (ARGP_TERMARG,    ARGP_TERMARG,       ARGP_NAME)
+#define ARGP_DATA_REGION_OP             ARGP_LIST4 (ARGP_NAME,       ARGP_TERMARG,       ARGP_TERMARG,   ARGP_TERMARG)
+#define ARGP_DEBUG_OP                   ARG_NONE
+#define ARGP_DECREMENT_OP               ARGP_LIST1 (ARGP_SUPERNAME)
+#define ARGP_DEREF_OF_OP                ARGP_LIST1 (ARGP_TERMARG)
+#define ARGP_DEVICE_OP                  ARGP_LIST3 (ARGP_PKGLENGTH,  ARGP_NAME,          ARGP_OBJLIST)
+#define ARGP_DIVIDE_OP                  ARGP_LIST4 (ARGP_TERMARG,    ARGP_TERMARG,       ARGP_TARGET,    ARGP_TARGET)
+#define ARGP_DWORD_OP                   ARGP_LIST1 (ARGP_DWORDDATA)
+#define ARGP_ELSE_OP                    ARGP_LIST2 (ARGP_PKGLENGTH,  ARGP_TERMLIST)
+#define ARGP_EVENT_OP                   ARGP_LIST1 (ARGP_NAME)
+#define ARGP_FATAL_OP                   ARGP_LIST3 (ARGP_BYTEDATA,   ARGP_DWORDDATA,     ARGP_TERMARG)
+#define ARGP_FIELD_OP                   ARGP_LIST4 (ARGP_PKGLENGTH,  ARGP_NAMESTRING,    ARGP_BYTEDATA,  ARGP_FIELDLIST)
+#define ARGP_FIND_SET_LEFT_BIT_OP       ARGP_LIST2 (ARGP_TERMARG,    ARGP_TARGET)
+#define ARGP_FIND_SET_RIGHT_BIT_OP      ARGP_LIST2 (ARGP_TERMARG,    ARGP_TARGET)
+#define ARGP_FROM_BCD_OP                ARGP_LIST2 (ARGP_TERMARG,    ARGP_TARGET)
+#define ARGP_IF_OP                      ARGP_LIST3 (ARGP_PKGLENGTH,  ARGP_TERMARG,       ARGP_TERMLIST)
+#define ARGP_INCREMENT_OP               ARGP_LIST1 (ARGP_SUPERNAME)
+#define ARGP_INDEX_FIELD_OP             ARGP_LIST5 (ARGP_PKGLENGTH,  ARGP_NAMESTRING,    ARGP_NAMESTRING,ARGP_BYTEDATA,  ARGP_FIELDLIST)
+#define ARGP_INDEX_OP                   ARGP_LIST3 (ARGP_TERMARG,    ARGP_TERMARG,       ARGP_TARGET)
+#define ARGP_LAND_OP                    ARGP_LIST2 (ARGP_TERMARG,    ARGP_TERMARG)
+#define ARGP_LEQUAL_OP                  ARGP_LIST2 (ARGP_TERMARG,    ARGP_TERMARG)
+#define ARGP_LGREATER_OP                ARGP_LIST2 (ARGP_TERMARG,    ARGP_TERMARG)
+#define ARGP_LGREATEREQUAL_OP           ARGP_LIST2 (ARGP_TERMARG,    ARGP_TERMARG)
+#define ARGP_LLESS_OP                   ARGP_LIST2 (ARGP_TERMARG,    ARGP_TERMARG)
+#define ARGP_LLESSEQUAL_OP              ARGP_LIST2 (ARGP_TERMARG,    ARGP_TERMARG)
+#define ARGP_LNOT_OP                    ARGP_LIST1 (ARGP_TERMARG)
+#define ARGP_LNOTEQUAL_OP               ARGP_LIST2 (ARGP_TERMARG,    ARGP_TERMARG)
+#define ARGP_LOAD_OP                    ARGP_LIST2 (ARGP_NAMESTRING, ARGP_SUPERNAME)
+#define ARGP_LOAD_TABLE_OP              ARGP_LIST6 (ARGP_TERMARG,    ARGP_TERMARG,       ARGP_TERMARG,   ARGP_TERMARG,  ARGP_TERMARG,   ARGP_TERMARG)
+#define ARGP_LOCAL0                     ARG_NONE
+#define ARGP_LOCAL1                     ARG_NONE
+#define ARGP_LOCAL2                     ARG_NONE
+#define ARGP_LOCAL3                     ARG_NONE
+#define ARGP_LOCAL4                     ARG_NONE
+#define ARGP_LOCAL5                     ARG_NONE
+#define ARGP_LOCAL6                     ARG_NONE
+#define ARGP_LOCAL7                     ARG_NONE
+#define ARGP_LOR_OP                     ARGP_LIST2 (ARGP_TERMARG,    ARGP_TERMARG)
+#define ARGP_MATCH_OP                   ARGP_LIST6 (ARGP_TERMARG,    ARGP_BYTEDATA,      ARGP_TERMARG,   ARGP_BYTEDATA,  ARGP_TERMARG,   ARGP_TERMARG)
+#define ARGP_METHOD_OP                  ARGP_LIST4 (ARGP_PKGLENGTH,  ARGP_NAME,          ARGP_BYTEDATA,  ARGP_TERMLIST)
+#define ARGP_METHODCALL_OP              ARGP_LIST1 (ARGP_NAMESTRING)
+#define ARGP_MID_OP                     ARGP_LIST4 (ARGP_TERMARG,    ARGP_TERMARG,       ARGP_TERMARG,   ARGP_TARGET)
+#define ARGP_MOD_OP                     ARGP_LIST3 (ARGP_TERMARG,    ARGP_TERMARG,       ARGP_TARGET)
+#define ARGP_MULTIPLY_OP                ARGP_LIST3 (ARGP_TERMARG,    ARGP_TERMARG,       ARGP_TARGET)
+#define ARGP_MUTEX_OP                   ARGP_LIST2 (ARGP_NAME,       ARGP_BYTEDATA)
+#define ARGP_NAME_OP                    ARGP_LIST2 (ARGP_NAME,       ARGP_DATAOBJ)
+#define ARGP_NAMEDFIELD_OP              ARGP_LIST1 (ARGP_NAMESTRING)
+#define ARGP_NAMEPATH_OP                ARGP_LIST1 (ARGP_NAMESTRING)
+#define ARGP_NOOP_OP                    ARG_NONE
+#define ARGP_NOTIFY_OP                  ARGP_LIST2 (ARGP_SUPERNAME,  ARGP_TERMARG)
+#define ARGP_ONE_OP                     ARG_NONE
+#define ARGP_ONES_OP                    ARG_NONE
+#define ARGP_PACKAGE_OP                 ARGP_LIST3 (ARGP_PKGLENGTH,  ARGP_BYTEDATA,      ARGP_DATAOBJLIST)
+#define ARGP_POWER_RES_OP               ARGP_LIST5 (ARGP_PKGLENGTH,  ARGP_NAME,          ARGP_BYTEDATA,  ARGP_WORDDATA,  ARGP_OBJLIST)
+#define ARGP_PROCESSOR_OP               ARGP_LIST6 (ARGP_PKGLENGTH,  ARGP_NAME,          ARGP_BYTEDATA,  ARGP_DWORDDATA, ARGP_BYTEDATA,  ARGP_OBJLIST)
+#define ARGP_QWORD_OP                   ARGP_LIST1 (ARGP_QWORDDATA)
+#define ARGP_REF_OF_OP                  ARGP_LIST1 (ARGP_SUPERNAME)
+#define ARGP_REGION_OP                  ARGP_LIST4 (ARGP_NAME,       ARGP_BYTEDATA,      ARGP_TERMARG,   ARGP_TERMARG)
+#define ARGP_RELEASE_OP                 ARGP_LIST1 (ARGP_SUPERNAME)
+#define ARGP_RESERVEDFIELD_OP           ARGP_LIST1 (ARGP_NAMESTRING)
+#define ARGP_RESET_OP                   ARGP_LIST1 (ARGP_SUPERNAME)
+#define ARGP_RETURN_OP                  ARGP_LIST1 (ARGP_TERMARG)
+#define ARGP_REVISION_OP                ARG_NONE
+#define ARGP_SCOPE_OP                   ARGP_LIST3 (ARGP_PKGLENGTH,  ARGP_NAME,          ARGP_TERMLIST)
+#define ARGP_SHIFT_LEFT_OP              ARGP_LIST3 (ARGP_TERMARG,    ARGP_TERMARG,       ARGP_TARGET)
+#define ARGP_SHIFT_RIGHT_OP             ARGP_LIST3 (ARGP_TERMARG,    ARGP_TERMARG,       ARGP_TARGET)
+#define ARGP_SIGNAL_OP                  ARGP_LIST1 (ARGP_SUPERNAME)
+#define ARGP_SIZE_OF_OP                 ARGP_LIST1 (ARGP_SUPERNAME)
+#define ARGP_SLEEP_OP                   ARGP_LIST1 (ARGP_TERMARG)
+#define ARGP_STALL_OP                   ARGP_LIST1 (ARGP_TERMARG)
+#define ARGP_STATICSTRING_OP            ARGP_LIST1 (ARGP_NAMESTRING)
+#define ARGP_STORE_OP                   ARGP_LIST2 (ARGP_TERMARG,    ARGP_SUPERNAME)
+#define ARGP_STRING_OP                  ARGP_LIST1 (ARGP_CHARLIST)
+#define ARGP_SUBTRACT_OP                ARGP_LIST3 (ARGP_TERMARG,    ARGP_TERMARG,       ARGP_TARGET)
+#define ARGP_THERMAL_ZONE_OP            ARGP_LIST3 (ARGP_PKGLENGTH,  ARGP_NAME,          ARGP_OBJLIST)
+#define ARGP_TO_BCD_OP                  ARGP_LIST2 (ARGP_TERMARG,    ARGP_TARGET)
+#define ARGP_TO_BUFFER_OP               ARGP_LIST2 (ARGP_TERMARG,    ARGP_TARGET)
+#define ARGP_TO_DEC_STR_OP              ARGP_LIST2 (ARGP_TERMARG,    ARGP_TARGET)
+#define ARGP_TO_HEX_STR_OP              ARGP_LIST2 (ARGP_TERMARG,    ARGP_TARGET)
+#define ARGP_TO_INTEGER_OP              ARGP_LIST2 (ARGP_TERMARG,    ARGP_TARGET)
+#define ARGP_TO_STRING_OP               ARGP_LIST3 (ARGP_TERMARG,    ARGP_TERMARG,       ARGP_TARGET)
+#define ARGP_TYPE_OP                    ARGP_LIST1 (ARGP_SUPERNAME)
+#define ARGP_UNLOAD_OP                  ARGP_LIST1 (ARGP_SUPERNAME)
+#define ARGP_VAR_PACKAGE_OP             ARGP_LIST3 (ARGP_PKGLENGTH,  ARGP_TERMARG,       ARGP_DATAOBJLIST)
+#define ARGP_WAIT_OP                    ARGP_LIST2 (ARGP_SUPERNAME,  ARGP_TERMARG)
+#define ARGP_WHILE_OP                   ARGP_LIST3 (ARGP_PKGLENGTH,  ARGP_TERMARG,       ARGP_TERMLIST)
+#define ARGP_WORD_OP                    ARGP_LIST1 (ARGP_WORDDATA)
+#define ARGP_ZERO_OP                    ARG_NONE
+
+
+/*
+ * All AML opcodes and the runtime arguments for each.  Used by the AML interpreter  Each list is compressed
+ * into a 32-bit number and stored in the master opcode table at the end of this file.
+ *
+ * (Used by PrepOperands procedure and the ASL Compiler)
+ */
+
+
+#define ARGI_ACCESSFIELD_OP             ARGI_INVALID_OPCODE
+#define ARGI_ACQUIRE_OP                 ARGI_LIST2 (ARGI_MUTEX,      ARGI_INTEGER)
+#define ARGI_ADD_OP                     ARGI_LIST3 (ARGI_INTEGER,    ARGI_INTEGER,       ARGI_TARGETREF)
+#define ARGI_ALIAS_OP                   ARGI_INVALID_OPCODE
+#define ARGI_ARG0                       ARG_NONE
+#define ARGI_ARG1                       ARG_NONE
+#define ARGI_ARG2                       ARG_NONE
+#define ARGI_ARG3                       ARG_NONE
+#define ARGI_ARG4                       ARG_NONE
+#define ARGI_ARG5                       ARG_NONE
+#define ARGI_ARG6                       ARG_NONE
+#define ARGI_BANK_FIELD_OP              ARGI_INVALID_OPCODE
+#define ARGI_BIT_AND_OP                 ARGI_LIST3 (ARGI_INTEGER,    ARGI_INTEGER,       ARGI_TARGETREF)
+#define ARGI_BIT_NAND_OP                ARGI_LIST3 (ARGI_INTEGER,    ARGI_INTEGER,       ARGI_TARGETREF)
+#define ARGI_BIT_NOR_OP                 ARGI_LIST3 (ARGI_INTEGER,    ARGI_INTEGER,       ARGI_TARGETREF)
+#define ARGI_BIT_NOT_OP                 ARGI_LIST2 (ARGI_INTEGER,    ARGI_TARGETREF)
+#define ARGI_BIT_OR_OP                  ARGI_LIST3 (ARGI_INTEGER,    ARGI_INTEGER,       ARGI_TARGETREF)
+#define ARGI_BIT_XOR_OP                 ARGI_LIST3 (ARGI_INTEGER,    ARGI_INTEGER,       ARGI_TARGETREF)
+#define ARGI_BREAK_OP                   ARG_NONE
+#define ARGI_BREAK_POINT_OP             ARG_NONE
+#define ARGI_BUFFER_OP                  ARGI_LIST1 (ARGI_INTEGER)
+#define ARGI_BYTE_OP                    ARGI_INVALID_OPCODE
+#define ARGI_BYTELIST_OP                ARGI_INVALID_OPCODE
+#define ARGI_CONCAT_OP                  ARGI_LIST3 (ARGI_COMPUTEDATA,ARGI_COMPUTEDATA,   ARGI_TARGETREF)
+#define ARGI_CONCAT_RES_OP              ARGI_LIST3 (ARGI_BUFFER,     ARGI_BUFFER,        ARGI_TARGETREF)
+#define ARGI_COND_REF_OF_OP             ARGI_LIST2 (ARGI_OBJECT_REF, ARGI_TARGETREF)
+#define ARGI_CONTINUE_OP                ARGI_INVALID_OPCODE
+#define ARGI_COPY_OP                    ARGI_LIST2 (ARGI_ANYTYPE,    ARGI_SIMPLE_TARGET)
+#define ARGI_CREATE_BIT_FIELD_OP        ARGI_LIST3 (ARGI_BUFFER,     ARGI_INTEGER,       ARGI_REFERENCE)
+#define ARGI_CREATE_BYTE_FIELD_OP       ARGI_LIST3 (ARGI_BUFFER,     ARGI_INTEGER,       ARGI_REFERENCE)
+#define ARGI_CREATE_DWORD_FIELD_OP      ARGI_LIST3 (ARGI_BUFFER,     ARGI_INTEGER,       ARGI_REFERENCE)
+#define ARGI_CREATE_FIELD_OP            ARGI_LIST4 (ARGI_BUFFER,     ARGI_INTEGER,       ARGI_INTEGER,      ARGI_REFERENCE)
+#define ARGI_CREATE_QWORD_FIELD_OP      ARGI_LIST3 (ARGI_BUFFER,     ARGI_INTEGER,       ARGI_REFERENCE)
+#define ARGI_CREATE_WORD_FIELD_OP       ARGI_LIST3 (ARGI_BUFFER,     ARGI_INTEGER,       ARGI_REFERENCE)
+#define ARGI_DATA_REGION_OP             ARGI_LIST3 (ARGI_STRING,     ARGI_STRING,       ARGI_STRING)
+#define ARGI_DEBUG_OP                   ARG_NONE
+#define ARGI_DECREMENT_OP               ARGI_LIST1 (ARGI_INTEGER_REF)
+#define ARGI_DEREF_OF_OP                ARGI_LIST1 (ARGI_REF_OR_STRING)
+#define ARGI_DEVICE_OP                  ARGI_INVALID_OPCODE
+#define ARGI_DIVIDE_OP                  ARGI_LIST4 (ARGI_INTEGER,    ARGI_INTEGER,       ARGI_TARGETREF,    ARGI_TARGETREF)
+#define ARGI_DWORD_OP                   ARGI_INVALID_OPCODE
+#define ARGI_ELSE_OP                    ARGI_INVALID_OPCODE
+#define ARGI_EVENT_OP                   ARGI_INVALID_OPCODE
+#define ARGI_FATAL_OP                   ARGI_LIST3 (ARGI_INTEGER,    ARGI_INTEGER,       ARGI_INTEGER)
+#define ARGI_FIELD_OP                   ARGI_INVALID_OPCODE
+#define ARGI_FIND_SET_LEFT_BIT_OP       ARGI_LIST2 (ARGI_INTEGER,    ARGI_TARGETREF)
+#define ARGI_FIND_SET_RIGHT_BIT_OP      ARGI_LIST2 (ARGI_INTEGER,    ARGI_TARGETREF)
+#define ARGI_FROM_BCD_OP                ARGI_LIST2 (ARGI_INTEGER,    ARGI_TARGETREF)
+#define ARGI_IF_OP                      ARGI_INVALID_OPCODE
+#define ARGI_INCREMENT_OP               ARGI_LIST1 (ARGI_INTEGER_REF)
+#define ARGI_INDEX_FIELD_OP             ARGI_INVALID_OPCODE
+#define ARGI_INDEX_OP                   ARGI_LIST3 (ARGI_COMPLEXOBJ, ARGI_INTEGER,       ARGI_TARGETREF)
+#define ARGI_LAND_OP                    ARGI_LIST2 (ARGI_INTEGER,    ARGI_INTEGER)
+#define ARGI_LEQUAL_OP                  ARGI_LIST2 (ARGI_INTEGER,    ARGI_INTEGER)
+#define ARGI_LGREATER_OP                ARGI_LIST2 (ARGI_INTEGER,    ARGI_INTEGER)
+#define ARGI_LGREATEREQUAL_OP           ARGI_INVALID_OPCODE
+#define ARGI_LLESS_OP                   ARGI_LIST2 (ARGI_INTEGER,    ARGI_INTEGER)
+#define ARGI_LLESSEQUAL_OP              ARGI_INVALID_OPCODE
+#define ARGI_LNOT_OP                    ARGI_LIST1 (ARGI_INTEGER)
+#define ARGI_LNOTEQUAL_OP               ARGI_INVALID_OPCODE
+#define ARGI_LOAD_OP                    ARGI_LIST2 (ARGI_REGION,     ARGI_TARGETREF)
+#define ARGI_LOAD_TABLE_OP              ARGI_LIST6 (ARGI_STRING,     ARGI_STRING,        ARGI_STRING,       ARGI_STRING,    ARGI_STRING, ARGI_ANYTYPE)
+#define ARGI_LOCAL0                     ARG_NONE
+#define ARGI_LOCAL1                     ARG_NONE
+#define ARGI_LOCAL2                     ARG_NONE
+#define ARGI_LOCAL3                     ARG_NONE
+#define ARGI_LOCAL4                     ARG_NONE
+#define ARGI_LOCAL5                     ARG_NONE
+#define ARGI_LOCAL6                     ARG_NONE
+#define ARGI_LOCAL7                     ARG_NONE
+#define ARGI_LOR_OP                     ARGI_LIST2 (ARGI_INTEGER,    ARGI_INTEGER)
+#define ARGI_MATCH_OP                   ARGI_LIST6 (ARGI_PACKAGE,    ARGI_INTEGER,       ARGI_INTEGER,      ARGI_INTEGER,   ARGI_INTEGER,   ARGI_INTEGER)
+#define ARGI_METHOD_OP                  ARGI_INVALID_OPCODE
+#define ARGI_METHODCALL_OP              ARGI_INVALID_OPCODE
+#define ARGI_MID_OP                     ARGI_LIST4 (ARGI_BUFFERSTRING,ARGI_INTEGER,      ARGI_INTEGER,      ARGI_TARGETREF)
+#define ARGI_MOD_OP                     ARGI_LIST3 (ARGI_INTEGER,    ARGI_INTEGER,       ARGI_TARGETREF)
+#define ARGI_MULTIPLY_OP                ARGI_LIST3 (ARGI_INTEGER,    ARGI_INTEGER,       ARGI_TARGETREF)
+#define ARGI_MUTEX_OP                   ARGI_INVALID_OPCODE
+#define ARGI_NAME_OP                    ARGI_INVALID_OPCODE
+#define ARGI_NAMEDFIELD_OP              ARGI_INVALID_OPCODE
+#define ARGI_NAMEPATH_OP                ARGI_INVALID_OPCODE
+#define ARGI_NOOP_OP                    ARG_NONE
+#define ARGI_NOTIFY_OP                  ARGI_LIST2 (ARGI_DEVICE_REF, ARGI_INTEGER)
+#define ARGI_ONE_OP                     ARG_NONE
+#define ARGI_ONES_OP                    ARG_NONE
+#define ARGI_PACKAGE_OP                 ARGI_LIST1 (ARGI_INTEGER)
+#define ARGI_POWER_RES_OP               ARGI_INVALID_OPCODE
+#define ARGI_PROCESSOR_OP               ARGI_INVALID_OPCODE
+#define ARGI_QWORD_OP                   ARGI_INVALID_OPCODE
+#define ARGI_REF_OF_OP                  ARGI_LIST1 (ARGI_OBJECT_REF)
+#define ARGI_REGION_OP                  ARGI_LIST2 (ARGI_INTEGER,    ARGI_INTEGER)
+#define ARGI_RELEASE_OP                 ARGI_LIST1 (ARGI_MUTEX)
+#define ARGI_RESERVEDFIELD_OP           ARGI_INVALID_OPCODE
+#define ARGI_RESET_OP                   ARGI_LIST1 (ARGI_EVENT)
+#define ARGI_RETURN_OP                  ARGI_INVALID_OPCODE
+#define ARGI_REVISION_OP                ARG_NONE
+#define ARGI_SCOPE_OP                   ARGI_INVALID_OPCODE
+#define ARGI_SHIFT_LEFT_OP              ARGI_LIST3 (ARGI_INTEGER,    ARGI_INTEGER,       ARGI_TARGETREF)
+#define ARGI_SHIFT_RIGHT_OP             ARGI_LIST3 (ARGI_INTEGER,    ARGI_INTEGER,       ARGI_TARGETREF)
+#define ARGI_SIGNAL_OP                  ARGI_LIST1 (ARGI_EVENT)
+#define ARGI_SIZE_OF_OP                 ARGI_LIST1 (ARGI_DATAOBJECT)
+#define ARGI_SLEEP_OP                   ARGI_LIST1 (ARGI_INTEGER)
+#define ARGI_STALL_OP                   ARGI_LIST1 (ARGI_INTEGER)
+#define ARGI_STATICSTRING_OP            ARGI_INVALID_OPCODE
+#define ARGI_STORE_OP                   ARGI_LIST2 (ARGI_ANYTYPE,    ARGI_TARGETREF)
+#define ARGI_STRING_OP                  ARGI_INVALID_OPCODE
+#define ARGI_SUBTRACT_OP                ARGI_LIST3 (ARGI_INTEGER,    ARGI_INTEGER,       ARGI_TARGETREF)
+#define ARGI_THERMAL_ZONE_OP            ARGI_INVALID_OPCODE
+#define ARGI_TO_BCD_OP                  ARGI_LIST2 (ARGI_INTEGER,    ARGI_FIXED_TARGET)
+#define ARGI_TO_BUFFER_OP               ARGI_LIST2 (ARGI_COMPUTEDATA,ARGI_FIXED_TARGET)
+#define ARGI_TO_DEC_STR_OP              ARGI_LIST2 (ARGI_COMPUTEDATA,ARGI_FIXED_TARGET)
+#define ARGI_TO_HEX_STR_OP              ARGI_LIST2 (ARGI_COMPUTEDATA,ARGI_FIXED_TARGET)
+#define ARGI_TO_INTEGER_OP              ARGI_LIST2 (ARGI_COMPUTEDATA,ARGI_FIXED_TARGET)
+#define ARGI_TO_STRING_OP               ARGI_LIST3 (ARGI_BUFFER,     ARGI_INTEGER,       ARGI_FIXED_TARGET)
+#define ARGI_TYPE_OP                    ARGI_LIST1 (ARGI_ANYTYPE)
+#define ARGI_UNLOAD_OP                  ARGI_LIST1 (ARGI_DDBHANDLE)
+#define ARGI_VAR_PACKAGE_OP             ARGI_LIST1 (ARGI_INTEGER)
+#define ARGI_WAIT_OP                    ARGI_LIST2 (ARGI_EVENT,      ARGI_INTEGER)
+#define ARGI_WHILE_OP                   ARGI_INVALID_OPCODE
+#define ARGI_WORD_OP                    ARGI_INVALID_OPCODE
+#define ARGI_ZERO_OP                    ARG_NONE
+
+
+/*
+ * Summary of opcode types/flags
+ */
+
+/******************************************************************************
+
+ Opcodes that have associated namespace objects (AML_NSOBJECT flag)
+
+    AML_SCOPE_OP
+    AML_DEVICE_OP
+    AML_THERMAL_ZONE_OP
+    AML_METHOD_OP
+    AML_POWER_RES_OP
+    AML_PROCESSOR_OP
+    AML_FIELD_OP
+    AML_INDEX_FIELD_OP
+    AML_BANK_FIELD_OP
+    AML_NAME_OP
+    AML_ALIAS_OP
+    AML_MUTEX_OP
+    AML_EVENT_OP
+    AML_REGION_OP
+    AML_CREATE_FIELD_OP
+    AML_CREATE_BIT_FIELD_OP
+    AML_CREATE_BYTE_FIELD_OP
+    AML_CREATE_WORD_FIELD_OP
+    AML_CREATE_DWORD_FIELD_OP
+    AML_CREATE_QWORD_FIELD_OP
+    AML_INT_NAMEDFIELD_OP
+    AML_INT_METHODCALL_OP
+    AML_INT_NAMEPATH_OP
+
+  Opcodes that are "namespace" opcodes (AML_NSOPCODE flag)
+
+    AML_SCOPE_OP
+    AML_DEVICE_OP
+    AML_THERMAL_ZONE_OP
+    AML_METHOD_OP
+    AML_POWER_RES_OP
+    AML_PROCESSOR_OP
+    AML_FIELD_OP
+    AML_INDEX_FIELD_OP
+    AML_BANK_FIELD_OP
+    AML_NAME_OP
+    AML_ALIAS_OP
+    AML_MUTEX_OP
+    AML_EVENT_OP
+    AML_REGION_OP
+    AML_INT_NAMEDFIELD_OP
+
+  Opcodes that have an associated namespace node (AML_NSNODE flag)
+
+    AML_SCOPE_OP
+    AML_DEVICE_OP
+    AML_THERMAL_ZONE_OP
+    AML_METHOD_OP
+    AML_POWER_RES_OP
+    AML_PROCESSOR_OP
+    AML_NAME_OP
+    AML_ALIAS_OP
+    AML_MUTEX_OP
+    AML_EVENT_OP
+    AML_REGION_OP
+    AML_CREATE_FIELD_OP
+    AML_CREATE_BIT_FIELD_OP
+    AML_CREATE_BYTE_FIELD_OP
+    AML_CREATE_WORD_FIELD_OP
+    AML_CREATE_DWORD_FIELD_OP
+    AML_CREATE_QWORD_FIELD_OP
+    AML_INT_NAMEDFIELD_OP
+    AML_INT_METHODCALL_OP
+    AML_INT_NAMEPATH_OP
+
+  Opcodes that define named ACPI objects (AML_NAMED flag)
+
+    AML_SCOPE_OP
+    AML_DEVICE_OP
+    AML_THERMAL_ZONE_OP
+    AML_METHOD_OP
+    AML_POWER_RES_OP
+    AML_PROCESSOR_OP
+    AML_NAME_OP
+    AML_ALIAS_OP
+    AML_MUTEX_OP
+    AML_EVENT_OP
+    AML_REGION_OP
+    AML_INT_NAMEDFIELD_OP
+
+  Opcodes that contain executable AML as part of the definition that
+  must be deferred until needed
+
+    AML_METHOD_OP
+    AML_VAR_PACKAGE_OP
+    AML_CREATE_FIELD_OP
+    AML_CREATE_BIT_FIELD_OP
+    AML_CREATE_BYTE_FIELD_OP
+    AML_CREATE_WORD_FIELD_OP
+    AML_CREATE_DWORD_FIELD_OP
+    AML_CREATE_QWORD_FIELD_OP
+    AML_REGION_OP
+    AML_BUFFER_OP
+
+  Field opcodes
+
+    AML_CREATE_FIELD_OP
+    AML_FIELD_OP
+    AML_INDEX_FIELD_OP
+    AML_BANK_FIELD_OP
+
+  Field "Create" opcodes
+
+    AML_CREATE_FIELD_OP
+    AML_CREATE_BIT_FIELD_OP
+    AML_CREATE_BYTE_FIELD_OP
+    AML_CREATE_WORD_FIELD_OP
+    AML_CREATE_DWORD_FIELD_OP
+    AML_CREATE_QWORD_FIELD_OP
+
+******************************************************************************/
+
+
+/*
+ * Master Opcode information table.  A summary of everything we know about each opcode, all in one place.
+ */
+
+
+const ACPI_OPCODE_INFO    AcpiGbl_AmlOpInfo[AML_NUM_OPCODES] =
+{
+/*! [Begin] no source code translation */
+/* Index           Name                 Parser Args               Interpreter Args                ObjectType                    Class                      Type                  Flags */
+
+/* 00 */ ACPI_OP ("Zero",               ARGP_ZERO_OP,              ARGI_ZERO_OP,               ACPI_TYPE_INTEGER,           AML_CLASS_ARGUMENT,        AML_TYPE_CONSTANT,        AML_CONSTANT),
+/* 01 */ ACPI_OP ("One",                ARGP_ONE_OP,               ARGI_ONE_OP,                ACPI_TYPE_INTEGER,           AML_CLASS_ARGUMENT,        AML_TYPE_CONSTANT,        AML_CONSTANT),
+/* 02 */ ACPI_OP ("Alias",              ARGP_ALIAS_OP,             ARGI_ALIAS_OP,              ACPI_TYPE_LOCAL_ALIAS,       AML_CLASS_NAMED_OBJECT,    AML_TYPE_NAMED_SIMPLE,    AML_HAS_ARGS | AML_NSOBJECT | AML_NSOPCODE | AML_NSNODE | AML_NAMED),
+/* 03 */ ACPI_OP ("Name",               ARGP_NAME_OP,              ARGI_NAME_OP,               ACPI_TYPE_ANY,               AML_CLASS_NAMED_OBJECT,    AML_TYPE_NAMED_COMPLEX,   AML_HAS_ARGS | AML_NSOBJECT | AML_NSOPCODE | AML_NSNODE | AML_NAMED),
+/* 04 */ ACPI_OP ("ByteConst",          ARGP_BYTE_OP,              ARGI_BYTE_OP,               ACPI_TYPE_INTEGER,           AML_CLASS_ARGUMENT,        AML_TYPE_LITERAL,         AML_CONSTANT),
+/* 05 */ ACPI_OP ("WordConst",          ARGP_WORD_OP,              ARGI_WORD_OP,               ACPI_TYPE_INTEGER,           AML_CLASS_ARGUMENT,        AML_TYPE_LITERAL,         AML_CONSTANT),
+/* 06 */ ACPI_OP ("DwordConst",         ARGP_DWORD_OP,             ARGI_DWORD_OP,              ACPI_TYPE_INTEGER,           AML_CLASS_ARGUMENT,        AML_TYPE_LITERAL,         AML_CONSTANT),
+/* 07 */ ACPI_OP ("String",             ARGP_STRING_OP,            ARGI_STRING_OP,             ACPI_TYPE_STRING,            AML_CLASS_ARGUMENT,        AML_TYPE_LITERAL,         AML_CONSTANT),
+/* 08 */ ACPI_OP ("Scope",              ARGP_SCOPE_OP,             ARGI_SCOPE_OP,              ACPI_TYPE_LOCAL_SCOPE,       AML_CLASS_NAMED_OBJECT,    AML_TYPE_NAMED_NO_OBJ,    AML_HAS_ARGS | AML_NSOBJECT | AML_NSOPCODE | AML_NSNODE | AML_NAMED),
+/* 09 */ ACPI_OP ("Buffer",             ARGP_BUFFER_OP,            ARGI_BUFFER_OP,             ACPI_TYPE_BUFFER,            AML_CLASS_CREATE,          AML_TYPE_CREATE_OBJECT,   AML_HAS_ARGS | AML_DEFER | AML_CONSTANT),
+/* 0A */ ACPI_OP ("Package",            ARGP_PACKAGE_OP,           ARGI_PACKAGE_OP,            ACPI_TYPE_PACKAGE,           AML_CLASS_CREATE,          AML_TYPE_CREATE_OBJECT,   AML_HAS_ARGS | AML_DEFER | AML_CONSTANT),
+/* 0B */ ACPI_OP ("Method",             ARGP_METHOD_OP,            ARGI_METHOD_OP,             ACPI_TYPE_METHOD,            AML_CLASS_NAMED_OBJECT,    AML_TYPE_NAMED_COMPLEX,   AML_HAS_ARGS | AML_NSOBJECT | AML_NSOPCODE | AML_NSNODE | AML_NAMED | AML_DEFER),
+/* 0C */ ACPI_OP ("Local0",             ARGP_LOCAL0,               ARGI_LOCAL0,                ACPI_TYPE_LOCAL_REFERENCE,   AML_CLASS_ARGUMENT,        AML_TYPE_LOCAL_VARIABLE,  0),
+/* 0D */ ACPI_OP ("Local1",             ARGP_LOCAL1,               ARGI_LOCAL1,                ACPI_TYPE_LOCAL_REFERENCE,   AML_CLASS_ARGUMENT,        AML_TYPE_LOCAL_VARIABLE,  0),
+/* 0E */ ACPI_OP ("Local2",             ARGP_LOCAL2,               ARGI_LOCAL2,                ACPI_TYPE_LOCAL_REFERENCE,   AML_CLASS_ARGUMENT,        AML_TYPE_LOCAL_VARIABLE,  0),
+/* 0F */ ACPI_OP ("Local3",             ARGP_LOCAL3,               ARGI_LOCAL3,                ACPI_TYPE_LOCAL_REFERENCE,   AML_CLASS_ARGUMENT,        AML_TYPE_LOCAL_VARIABLE,  0),
+/* 10 */ ACPI_OP ("Local4",             ARGP_LOCAL4,               ARGI_LOCAL4,                ACPI_TYPE_LOCAL_REFERENCE,   AML_CLASS_ARGUMENT,        AML_TYPE_LOCAL_VARIABLE,  0),
+/* 11 */ ACPI_OP ("Local5",             ARGP_LOCAL5,               ARGI_LOCAL5,                ACPI_TYPE_LOCAL_REFERENCE,   AML_CLASS_ARGUMENT,        AML_TYPE_LOCAL_VARIABLE,  0),
+/* 12 */ ACPI_OP ("Local6",             ARGP_LOCAL6,               ARGI_LOCAL6,                ACPI_TYPE_LOCAL_REFERENCE,   AML_CLASS_ARGUMENT,        AML_TYPE_LOCAL_VARIABLE,  0),
+/* 13 */ ACPI_OP ("Local7",             ARGP_LOCAL7,               ARGI_LOCAL7,                ACPI_TYPE_LOCAL_REFERENCE,   AML_CLASS_ARGUMENT,        AML_TYPE_LOCAL_VARIABLE,  0),
+/* 14 */ ACPI_OP ("Arg0",               ARGP_ARG0,                 ARGI_ARG0,                  ACPI_TYPE_LOCAL_REFERENCE,   AML_CLASS_ARGUMENT,        AML_TYPE_METHOD_ARGUMENT, 0),
+/* 15 */ ACPI_OP ("Arg1",               ARGP_ARG1,                 ARGI_ARG1,                  ACPI_TYPE_LOCAL_REFERENCE,   AML_CLASS_ARGUMENT,        AML_TYPE_METHOD_ARGUMENT, 0),
+/* 16 */ ACPI_OP ("Arg2",               ARGP_ARG2,                 ARGI_ARG2,                  ACPI_TYPE_LOCAL_REFERENCE,   AML_CLASS_ARGUMENT,        AML_TYPE_METHOD_ARGUMENT, 0),
+/* 17 */ ACPI_OP ("Arg3",               ARGP_ARG3,                 ARGI_ARG3,                  ACPI_TYPE_LOCAL_REFERENCE,   AML_CLASS_ARGUMENT,        AML_TYPE_METHOD_ARGUMENT, 0),
+/* 18 */ ACPI_OP ("Arg4",               ARGP_ARG4,                 ARGI_ARG4,                  ACPI_TYPE_LOCAL_REFERENCE,   AML_CLASS_ARGUMENT,        AML_TYPE_METHOD_ARGUMENT, 0),
+/* 19 */ ACPI_OP ("Arg5",               ARGP_ARG5,                 ARGI_ARG5,                  ACPI_TYPE_LOCAL_REFERENCE,   AML_CLASS_ARGUMENT,        AML_TYPE_METHOD_ARGUMENT, 0),
+/* 1A */ ACPI_OP ("Arg6",               ARGP_ARG6,                 ARGI_ARG6,                  ACPI_TYPE_LOCAL_REFERENCE,   AML_CLASS_ARGUMENT,        AML_TYPE_METHOD_ARGUMENT, 0),
+/* 1B */ ACPI_OP ("Store",              ARGP_STORE_OP,             ARGI_STORE_OP,              ACPI_TYPE_ANY,               AML_CLASS_EXECUTE,         AML_TYPE_EXEC_1A_1T_1R,   AML_FLAGS_EXEC_1A_1T_1R),
+/* 1C */ ACPI_OP ("RefOf",              ARGP_REF_OF_OP,            ARGI_REF_OF_OP,             ACPI_TYPE_ANY,               AML_CLASS_EXECUTE,         AML_TYPE_EXEC_1A_0T_1R,   AML_FLAGS_EXEC_1A_0T_1R),
+/* 1D */ ACPI_OP ("Add",                ARGP_ADD_OP,               ARGI_ADD_OP,                ACPI_TYPE_ANY,               AML_CLASS_EXECUTE,         AML_TYPE_EXEC_2A_1T_1R,   AML_FLAGS_EXEC_2A_1T_1R | AML_MATH | AML_CONSTANT),
+/* 1E */ ACPI_OP ("Concatenate",        ARGP_CONCAT_OP,            ARGI_CONCAT_OP,             ACPI_TYPE_ANY,               AML_CLASS_EXECUTE,         AML_TYPE_EXEC_2A_1T_1R,   AML_FLAGS_EXEC_2A_1T_1R | AML_CONSTANT),
+/* 1F */ ACPI_OP ("Subtract",           ARGP_SUBTRACT_OP,          ARGI_SUBTRACT_OP,           ACPI_TYPE_ANY,               AML_CLASS_EXECUTE,         AML_TYPE_EXEC_2A_1T_1R,   AML_FLAGS_EXEC_2A_1T_1R | AML_MATH | AML_CONSTANT),
+/* 20 */ ACPI_OP ("Increment",          ARGP_INCREMENT_OP,         ARGI_INCREMENT_OP,          ACPI_TYPE_ANY,               AML_CLASS_EXECUTE,         AML_TYPE_EXEC_1A_0T_1R,   AML_FLAGS_EXEC_1A_0T_1R | AML_CONSTANT),
+/* 21 */ ACPI_OP ("Decrement",          ARGP_DECREMENT_OP,         ARGI_DECREMENT_OP,          ACPI_TYPE_ANY,               AML_CLASS_EXECUTE,         AML_TYPE_EXEC_1A_0T_1R,   AML_FLAGS_EXEC_1A_0T_1R | AML_CONSTANT),
+/* 22 */ ACPI_OP ("Multiply",           ARGP_MULTIPLY_OP,          ARGI_MULTIPLY_OP,           ACPI_TYPE_ANY,               AML_CLASS_EXECUTE,         AML_TYPE_EXEC_2A_1T_1R,   AML_FLAGS_EXEC_2A_1T_1R | AML_MATH | AML_CONSTANT),
+/* 23 */ ACPI_OP ("Divide",             ARGP_DIVIDE_OP,            ARGI_DIVIDE_OP,             ACPI_TYPE_ANY,               AML_CLASS_EXECUTE,         AML_TYPE_EXEC_2A_2T_1R,   AML_FLAGS_EXEC_2A_2T_1R | AML_CONSTANT),
+/* 24 */ ACPI_OP ("ShiftLeft",          ARGP_SHIFT_LEFT_OP,        ARGI_SHIFT_LEFT_OP,         ACPI_TYPE_ANY,               AML_CLASS_EXECUTE,         AML_TYPE_EXEC_2A_1T_1R,   AML_FLAGS_EXEC_2A_1T_1R | AML_MATH | AML_CONSTANT),
+/* 25 */ ACPI_OP ("ShiftRight",         ARGP_SHIFT_RIGHT_OP,       ARGI_SHIFT_RIGHT_OP,        ACPI_TYPE_ANY,               AML_CLASS_EXECUTE,         AML_TYPE_EXEC_2A_1T_1R,   AML_FLAGS_EXEC_2A_1T_1R | AML_MATH | AML_CONSTANT),
+/* 26 */ ACPI_OP ("And",                ARGP_BIT_AND_OP,           ARGI_BIT_AND_OP,            ACPI_TYPE_ANY,               AML_CLASS_EXECUTE,         AML_TYPE_EXEC_2A_1T_1R,   AML_FLAGS_EXEC_2A_1T_1R | AML_MATH | AML_CONSTANT),
+/* 27 */ ACPI_OP ("NAnd",               ARGP_BIT_NAND_OP,          ARGI_BIT_NAND_OP,           ACPI_TYPE_ANY,               AML_CLASS_EXECUTE,         AML_TYPE_EXEC_2A_1T_1R,   AML_FLAGS_EXEC_2A_1T_1R | AML_MATH | AML_CONSTANT),
+/* 28 */ ACPI_OP ("Or",                 ARGP_BIT_OR_OP,            ARGI_BIT_OR_OP,             ACPI_TYPE_ANY,               AML_CLASS_EXECUTE,         AML_TYPE_EXEC_2A_1T_1R,   AML_FLAGS_EXEC_2A_1T_1R | AML_MATH | AML_CONSTANT),
+/* 29 */ ACPI_OP ("NOr",                ARGP_BIT_NOR_OP,           ARGI_BIT_NOR_OP,            ACPI_TYPE_ANY,               AML_CLASS_EXECUTE,         AML_TYPE_EXEC_2A_1T_1R,   AML_FLAGS_EXEC_2A_1T_1R | AML_MATH | AML_CONSTANT),
+/* 2A */ ACPI_OP ("XOr",                ARGP_BIT_XOR_OP,           ARGI_BIT_XOR_OP,            ACPI_TYPE_ANY,               AML_CLASS_EXECUTE,         AML_TYPE_EXEC_2A_1T_1R,   AML_FLAGS_EXEC_2A_1T_1R | AML_MATH | AML_CONSTANT),
+/* 2B */ ACPI_OP ("Not",                ARGP_BIT_NOT_OP,           ARGI_BIT_NOT_OP,            ACPI_TYPE_ANY,               AML_CLASS_EXECUTE,         AML_TYPE_EXEC_1A_1T_1R,   AML_FLAGS_EXEC_1A_1T_1R | AML_CONSTANT),
+/* 2C */ ACPI_OP ("FindSetLeftBit",     ARGP_FIND_SET_LEFT_BIT_OP, ARGI_FIND_SET_LEFT_BIT_OP,  ACPI_TYPE_ANY,               AML_CLASS_EXECUTE,         AML_TYPE_EXEC_1A_1T_1R,   AML_FLAGS_EXEC_1A_1T_1R | AML_CONSTANT),
+/* 2D */ ACPI_OP ("FindSetRightBit",    ARGP_FIND_SET_RIGHT_BIT_OP,ARGI_FIND_SET_RIGHT_BIT_OP, ACPI_TYPE_ANY,               AML_CLASS_EXECUTE,         AML_TYPE_EXEC_1A_1T_1R,   AML_FLAGS_EXEC_1A_1T_1R | AML_CONSTANT),
+/* 2E */ ACPI_OP ("DerefOf",            ARGP_DEREF_OF_OP,          ARGI_DEREF_OF_OP,           ACPI_TYPE_ANY,               AML_CLASS_EXECUTE,         AML_TYPE_EXEC_1A_0T_1R,   AML_FLAGS_EXEC_1A_0T_1R),
+/* 2F */ ACPI_OP ("Notify",             ARGP_NOTIFY_OP,            ARGI_NOTIFY_OP,             ACPI_TYPE_ANY,               AML_CLASS_EXECUTE,         AML_TYPE_EXEC_2A_0T_0R,   AML_FLAGS_EXEC_2A_0T_0R),
+/* 30 */ ACPI_OP ("SizeOf",             ARGP_SIZE_OF_OP,           ARGI_SIZE_OF_OP,            ACPI_TYPE_ANY,               AML_CLASS_EXECUTE,         AML_TYPE_EXEC_1A_0T_1R,   AML_FLAGS_EXEC_1A_0T_1R),
+/* 31 */ ACPI_OP ("Index",              ARGP_INDEX_OP,             ARGI_INDEX_OP,              ACPI_TYPE_ANY,               AML_CLASS_EXECUTE,         AML_TYPE_EXEC_2A_1T_1R,   AML_FLAGS_EXEC_2A_1T_1R | AML_CONSTANT),
+/* 32 */ ACPI_OP ("Match",              ARGP_MATCH_OP,             ARGI_MATCH_OP,              ACPI_TYPE_ANY,               AML_CLASS_EXECUTE,         AML_TYPE_EXEC_6A_0T_1R,   AML_FLAGS_EXEC_6A_0T_1R | AML_CONSTANT),
+/* 33 */ ACPI_OP ("CreateDWordField",   ARGP_CREATE_DWORD_FIELD_OP,ARGI_CREATE_DWORD_FIELD_OP, ACPI_TYPE_BUFFER_FIELD,      AML_CLASS_CREATE,          AML_TYPE_CREATE_FIELD,    AML_HAS_ARGS | AML_NSOBJECT | AML_NSNODE | AML_DEFER | AML_CREATE),
+/* 34 */ ACPI_OP ("CreateWordField",    ARGP_CREATE_WORD_FIELD_OP, ARGI_CREATE_WORD_FIELD_OP,  ACPI_TYPE_BUFFER_FIELD,      AML_CLASS_CREATE,          AML_TYPE_CREATE_FIELD,    AML_HAS_ARGS | AML_NSOBJECT | AML_NSNODE | AML_DEFER | AML_CREATE),
+/* 35 */ ACPI_OP ("CreateByteField",    ARGP_CREATE_BYTE_FIELD_OP, ARGI_CREATE_BYTE_FIELD_OP,  ACPI_TYPE_BUFFER_FIELD,      AML_CLASS_CREATE,          AML_TYPE_CREATE_FIELD,    AML_HAS_ARGS | AML_NSOBJECT | AML_NSNODE | AML_DEFER | AML_CREATE),
+/* 36 */ ACPI_OP ("CreateBitField",     ARGP_CREATE_BIT_FIELD_OP,  ARGI_CREATE_BIT_FIELD_OP,   ACPI_TYPE_BUFFER_FIELD,      AML_CLASS_CREATE,          AML_TYPE_CREATE_FIELD,    AML_HAS_ARGS | AML_NSOBJECT | AML_NSNODE | AML_DEFER | AML_CREATE),
+/* 37 */ ACPI_OP ("ObjectType",         ARGP_TYPE_OP,              ARGI_TYPE_OP,               ACPI_TYPE_ANY,               AML_CLASS_EXECUTE,         AML_TYPE_EXEC_1A_0T_1R,   AML_FLAGS_EXEC_1A_0T_1R),
+/* 38 */ ACPI_OP ("LAnd",               ARGP_LAND_OP,              ARGI_LAND_OP,               ACPI_TYPE_ANY,               AML_CLASS_EXECUTE,         AML_TYPE_EXEC_2A_0T_1R,   AML_FLAGS_EXEC_2A_0T_1R | AML_LOGICAL | AML_CONSTANT),
+/* 39 */ ACPI_OP ("LOr",                ARGP_LOR_OP,               ARGI_LOR_OP,                ACPI_TYPE_ANY,               AML_CLASS_EXECUTE,         AML_TYPE_EXEC_2A_0T_1R,   AML_FLAGS_EXEC_2A_0T_1R | AML_LOGICAL | AML_CONSTANT),
+/* 3A */ ACPI_OP ("LNot",               ARGP_LNOT_OP,              ARGI_LNOT_OP,               ACPI_TYPE_ANY,               AML_CLASS_EXECUTE,         AML_TYPE_EXEC_1A_0T_1R,   AML_FLAGS_EXEC_1A_0T_1R | AML_CONSTANT),
+/* 3B */ ACPI_OP ("LEqual",             ARGP_LEQUAL_OP,            ARGI_LEQUAL_OP,             ACPI_TYPE_ANY,               AML_CLASS_EXECUTE,         AML_TYPE_EXEC_2A_0T_1R,   AML_FLAGS_EXEC_2A_0T_1R | AML_LOGICAL | AML_CONSTANT),
+/* 3C */ ACPI_OP ("LGreater",           ARGP_LGREATER_OP,          ARGI_LGREATER_OP,           ACPI_TYPE_ANY,               AML_CLASS_EXECUTE,         AML_TYPE_EXEC_2A_0T_1R,   AML_FLAGS_EXEC_2A_0T_1R | AML_LOGICAL | AML_CONSTANT),
+/* 3D */ ACPI_OP ("LLess",              ARGP_LLESS_OP,             ARGI_LLESS_OP,              ACPI_TYPE_ANY,               AML_CLASS_EXECUTE,         AML_TYPE_EXEC_2A_0T_1R,   AML_FLAGS_EXEC_2A_0T_1R | AML_LOGICAL | AML_CONSTANT),
+/* 3E */ ACPI_OP ("If",                 ARGP_IF_OP,                ARGI_IF_OP,                 ACPI_TYPE_ANY,               AML_CLASS_CONTROL,         AML_TYPE_CONTROL,         AML_HAS_ARGS),
+/* 3F */ ACPI_OP ("Else",               ARGP_ELSE_OP,              ARGI_ELSE_OP,               ACPI_TYPE_ANY,               AML_CLASS_CONTROL,         AML_TYPE_CONTROL,         AML_HAS_ARGS),
+/* 40 */ ACPI_OP ("While",              ARGP_WHILE_OP,             ARGI_WHILE_OP,              ACPI_TYPE_ANY,               AML_CLASS_CONTROL,         AML_TYPE_CONTROL,         AML_HAS_ARGS),
+/* 41 */ ACPI_OP ("Noop",               ARGP_NOOP_OP,              ARGI_NOOP_OP,               ACPI_TYPE_ANY,               AML_CLASS_CONTROL,         AML_TYPE_CONTROL,         0),
+/* 42 */ ACPI_OP ("Return",             ARGP_RETURN_OP,            ARGI_RETURN_OP,             ACPI_TYPE_ANY,               AML_CLASS_CONTROL,         AML_TYPE_CONTROL,         AML_HAS_ARGS),
+/* 43 */ ACPI_OP ("Break",              ARGP_BREAK_OP,             ARGI_BREAK_OP,              ACPI_TYPE_ANY,               AML_CLASS_CONTROL,         AML_TYPE_CONTROL,         0),
+/* 44 */ ACPI_OP ("BreakPoint",         ARGP_BREAK_POINT_OP,       ARGI_BREAK_POINT_OP,        ACPI_TYPE_ANY,               AML_CLASS_CONTROL,         AML_TYPE_CONTROL,         0),
+/* 45 */ ACPI_OP ("Ones",               ARGP_ONES_OP,              ARGI_ONES_OP,               ACPI_TYPE_INTEGER,           AML_CLASS_ARGUMENT,        AML_TYPE_CONSTANT,        AML_CONSTANT),
+
+/* Prefixed opcodes (Two-byte opcodes with a prefix op) */
+
+/* 46 */ ACPI_OP ("Mutex",              ARGP_MUTEX_OP,             ARGI_MUTEX_OP,              ACPI_TYPE_MUTEX,             AML_CLASS_NAMED_OBJECT,    AML_TYPE_NAMED_SIMPLE,    AML_HAS_ARGS | AML_NSOBJECT | AML_NSOPCODE | AML_NSNODE | AML_NAMED),
+/* 47 */ ACPI_OP ("Event",              ARGP_EVENT_OP,             ARGI_EVENT_OP,              ACPI_TYPE_EVENT,             AML_CLASS_NAMED_OBJECT,    AML_TYPE_NAMED_SIMPLE,    AML_NSOBJECT | AML_NSOPCODE | AML_NSNODE | AML_NAMED ),
+/* 48 */ ACPI_OP ("CondRefOf",          ARGP_COND_REF_OF_OP,       ARGI_COND_REF_OF_OP,        ACPI_TYPE_ANY,               AML_CLASS_EXECUTE,         AML_TYPE_EXEC_1A_1T_1R,   AML_FLAGS_EXEC_1A_1T_1R),
+/* 49 */ ACPI_OP ("CreateField",        ARGP_CREATE_FIELD_OP,      ARGI_CREATE_FIELD_OP,       ACPI_TYPE_BUFFER_FIELD,      AML_CLASS_CREATE,          AML_TYPE_CREATE_FIELD,    AML_HAS_ARGS | AML_NSOBJECT | AML_NSNODE | AML_DEFER | AML_FIELD | AML_CREATE),
+/* 4A */ ACPI_OP ("Load",               ARGP_LOAD_OP,              ARGI_LOAD_OP,               ACPI_TYPE_ANY,               AML_CLASS_EXECUTE,         AML_TYPE_EXEC_1A_1T_0R,   AML_FLAGS_EXEC_1A_1T_0R),
+/* 4B */ ACPI_OP ("Stall",              ARGP_STALL_OP,             ARGI_STALL_OP,              ACPI_TYPE_ANY,               AML_CLASS_EXECUTE,         AML_TYPE_EXEC_1A_0T_0R,   AML_FLAGS_EXEC_1A_0T_0R),
+/* 4C */ ACPI_OP ("Sleep",              ARGP_SLEEP_OP,             ARGI_SLEEP_OP,              ACPI_TYPE_ANY,               AML_CLASS_EXECUTE,         AML_TYPE_EXEC_1A_0T_0R,   AML_FLAGS_EXEC_1A_0T_0R),
+/* 4D */ ACPI_OP ("Acquire",            ARGP_ACQUIRE_OP,           ARGI_ACQUIRE_OP,            ACPI_TYPE_ANY,               AML_CLASS_EXECUTE,         AML_TYPE_EXEC_2A_0T_1R,   AML_FLAGS_EXEC_2A_0T_1R),
+/* 4E */ ACPI_OP ("Signal",             ARGP_SIGNAL_OP,            ARGI_SIGNAL_OP,             ACPI_TYPE_ANY,               AML_CLASS_EXECUTE,         AML_TYPE_EXEC_1A_0T_0R,   AML_FLAGS_EXEC_1A_0T_0R),
+/* 4F */ ACPI_OP ("Wait",               ARGP_WAIT_OP,              ARGI_WAIT_OP,               ACPI_TYPE_ANY,               AML_CLASS_EXECUTE,         AML_TYPE_EXEC_2A_0T_1R,   AML_FLAGS_EXEC_2A_0T_1R),
+/* 50 */ ACPI_OP ("Reset",              ARGP_RESET_OP,             ARGI_RESET_OP,              ACPI_TYPE_ANY,               AML_CLASS_EXECUTE,         AML_TYPE_EXEC_1A_0T_0R,   AML_FLAGS_EXEC_1A_0T_0R),
+/* 51 */ ACPI_OP ("Release",            ARGP_RELEASE_OP,           ARGI_RELEASE_OP,            ACPI_TYPE_ANY,               AML_CLASS_EXECUTE,         AML_TYPE_EXEC_1A_0T_0R,   AML_FLAGS_EXEC_1A_0T_0R),
+/* 52 */ ACPI_OP ("FromBCD",            ARGP_FROM_BCD_OP,          ARGI_FROM_BCD_OP,           ACPI_TYPE_ANY,               AML_CLASS_EXECUTE,         AML_TYPE_EXEC_1A_1T_1R,   AML_FLAGS_EXEC_1A_1T_1R | AML_CONSTANT),
+/* 53 */ ACPI_OP ("ToBCD",              ARGP_TO_BCD_OP,            ARGI_TO_BCD_OP,             ACPI_TYPE_ANY,               AML_CLASS_EXECUTE,         AML_TYPE_EXEC_1A_1T_1R,   AML_FLAGS_EXEC_1A_1T_1R | AML_CONSTANT),
+/* 54 */ ACPI_OP ("Unload",             ARGP_UNLOAD_OP,            ARGI_UNLOAD_OP,             ACPI_TYPE_ANY,               AML_CLASS_EXECUTE,         AML_TYPE_EXEC_1A_0T_0R,   AML_FLAGS_EXEC_1A_0T_0R),
+/* 55 */ ACPI_OP ("Revision",           ARGP_REVISION_OP,          ARGI_REVISION_OP,           ACPI_TYPE_INTEGER,           AML_CLASS_ARGUMENT,        AML_TYPE_CONSTANT,        0),
+/* 56 */ ACPI_OP ("Debug",              ARGP_DEBUG_OP,             ARGI_DEBUG_OP,              ACPI_TYPE_LOCAL_REFERENCE,   AML_CLASS_ARGUMENT,        AML_TYPE_CONSTANT,        0),
+/* 57 */ ACPI_OP ("Fatal",              ARGP_FATAL_OP,             ARGI_FATAL_OP,              ACPI_TYPE_ANY,               AML_CLASS_EXECUTE,         AML_TYPE_EXEC_3A_0T_0R,   AML_FLAGS_EXEC_3A_0T_0R),
+/* 58 */ ACPI_OP ("OperationRegion",    ARGP_REGION_OP,            ARGI_REGION_OP,             ACPI_TYPE_REGION,            AML_CLASS_NAMED_OBJECT,    AML_TYPE_NAMED_COMPLEX,   AML_HAS_ARGS | AML_NSOBJECT | AML_NSOPCODE | AML_NSNODE | AML_NAMED | AML_DEFER),
+/* 59 */ ACPI_OP ("Field",              ARGP_FIELD_OP,             ARGI_FIELD_OP,              ACPI_TYPE_ANY,               AML_CLASS_NAMED_OBJECT,    AML_TYPE_NAMED_FIELD,     AML_HAS_ARGS | AML_NSOBJECT | AML_NSOPCODE | AML_FIELD),
+/* 5A */ ACPI_OP ("Device",             ARGP_DEVICE_OP,            ARGI_DEVICE_OP,             ACPI_TYPE_DEVICE,            AML_CLASS_NAMED_OBJECT,    AML_TYPE_NAMED_NO_OBJ,    AML_HAS_ARGS | AML_NSOBJECT | AML_NSOPCODE | AML_NSNODE | AML_NAMED),
+/* 5B */ ACPI_OP ("Processor",          ARGP_PROCESSOR_OP,         ARGI_PROCESSOR_OP,          ACPI_TYPE_PROCESSOR,         AML_CLASS_NAMED_OBJECT,    AML_TYPE_NAMED_SIMPLE,    AML_HAS_ARGS | AML_NSOBJECT | AML_NSOPCODE | AML_NSNODE | AML_NAMED),
+/* 5C */ ACPI_OP ("PowerResource",      ARGP_POWER_RES_OP,         ARGI_POWER_RES_OP,          ACPI_TYPE_POWER,             AML_CLASS_NAMED_OBJECT,    AML_TYPE_NAMED_SIMPLE,    AML_HAS_ARGS | AML_NSOBJECT | AML_NSOPCODE | AML_NSNODE | AML_NAMED),
+/* 5D */ ACPI_OP ("ThermalZone",        ARGP_THERMAL_ZONE_OP,      ARGI_THERMAL_ZONE_OP,       ACPI_TYPE_THERMAL,           AML_CLASS_NAMED_OBJECT,    AML_TYPE_NAMED_NO_OBJ,    AML_HAS_ARGS | AML_NSOBJECT | AML_NSOPCODE | AML_NSNODE | AML_NAMED),
+/* 5E */ ACPI_OP ("IndexField",         ARGP_INDEX_FIELD_OP,       ARGI_INDEX_FIELD_OP,        ACPI_TYPE_ANY,               AML_CLASS_NAMED_OBJECT,    AML_TYPE_NAMED_FIELD,     AML_HAS_ARGS | AML_NSOBJECT | AML_NSOPCODE | AML_FIELD),
+/* 5F */ ACPI_OP ("BankField",          ARGP_BANK_FIELD_OP,        ARGI_BANK_FIELD_OP,         ACPI_TYPE_ANY,               AML_CLASS_NAMED_OBJECT,    AML_TYPE_NAMED_FIELD,     AML_HAS_ARGS | AML_NSOBJECT | AML_NSOPCODE | AML_FIELD),
+
+/* Internal opcodes that map to invalid AML opcodes */
+
+/* 60 */ ACPI_OP ("LNotEqual",          ARGP_LNOTEQUAL_OP,         ARGI_LNOTEQUAL_OP,          ACPI_TYPE_ANY,               AML_CLASS_INTERNAL,        AML_TYPE_BOGUS,           AML_HAS_ARGS | AML_CONSTANT),
+/* 61 */ ACPI_OP ("LLessEqual",         ARGP_LLESSEQUAL_OP,        ARGI_LLESSEQUAL_OP,         ACPI_TYPE_ANY,               AML_CLASS_INTERNAL,        AML_TYPE_BOGUS,           AML_HAS_ARGS | AML_CONSTANT),
+/* 62 */ ACPI_OP ("LGreaterEqual",      ARGP_LGREATEREQUAL_OP,     ARGI_LGREATEREQUAL_OP,      ACPI_TYPE_ANY,               AML_CLASS_INTERNAL,        AML_TYPE_BOGUS,           AML_HAS_ARGS | AML_CONSTANT),
+/* 63 */ ACPI_OP ("-NamePath-",         ARGP_NAMEPATH_OP,          ARGI_NAMEPATH_OP,           ACPI_TYPE_LOCAL_REFERENCE,   AML_CLASS_ARGUMENT,        AML_TYPE_LITERAL,         AML_NSOBJECT | AML_NSNODE ),
+/* 64 */ ACPI_OP ("-MethodCall-",       ARGP_METHODCALL_OP,        ARGI_METHODCALL_OP,         ACPI_TYPE_METHOD,            AML_CLASS_METHOD_CALL,     AML_TYPE_METHOD_CALL,     AML_HAS_ARGS | AML_NSOBJECT | AML_NSNODE),
+/* 65 */ ACPI_OP ("-ByteList-",         ARGP_BYTELIST_OP,          ARGI_BYTELIST_OP,           ACPI_TYPE_ANY,               AML_CLASS_ARGUMENT,        AML_TYPE_LITERAL,         0),
+/* 66 */ ACPI_OP ("-ReservedField-",    ARGP_RESERVEDFIELD_OP,     ARGI_RESERVEDFIELD_OP,      ACPI_TYPE_ANY,               AML_CLASS_INTERNAL,        AML_TYPE_BOGUS,           0),
+/* 67 */ ACPI_OP ("-NamedField-",       ARGP_NAMEDFIELD_OP,        ARGI_NAMEDFIELD_OP,         ACPI_TYPE_ANY,               AML_CLASS_INTERNAL,        AML_TYPE_BOGUS,           AML_NSOBJECT | AML_NSOPCODE | AML_NSNODE | AML_NAMED ),
+/* 68 */ ACPI_OP ("-AccessField-",      ARGP_ACCESSFIELD_OP,       ARGI_ACCESSFIELD_OP,        ACPI_TYPE_ANY,               AML_CLASS_INTERNAL,        AML_TYPE_BOGUS,           0),
+/* 69 */ ACPI_OP ("-StaticString",      ARGP_STATICSTRING_OP,      ARGI_STATICSTRING_OP,       ACPI_TYPE_ANY,               AML_CLASS_INTERNAL,        AML_TYPE_BOGUS,           0),
+/* 6A */ ACPI_OP ("-Return Value-",     ARG_NONE,                  ARG_NONE,                   ACPI_TYPE_ANY,               AML_CLASS_RETURN_VALUE,    AML_TYPE_RETURN,          AML_HAS_ARGS | AML_HAS_RETVAL),
+/* 6B */ ACPI_OP ("-UNKNOWN_OP-",       ARG_NONE,                  ARG_NONE,                   ACPI_TYPE_INVALID,           AML_CLASS_UNKNOWN,         AML_TYPE_BOGUS,           AML_HAS_ARGS),
+/* 6C */ ACPI_OP ("-ASCII_ONLY-",       ARG_NONE,                  ARG_NONE,                   ACPI_TYPE_ANY,               AML_CLASS_ASCII,           AML_TYPE_BOGUS,           AML_HAS_ARGS),
+/* 6D */ ACPI_OP ("-PREFIX_ONLY-",      ARG_NONE,                  ARG_NONE,                   ACPI_TYPE_ANY,               AML_CLASS_PREFIX,          AML_TYPE_BOGUS,           AML_HAS_ARGS),
+
+
+/* ACPI 2.0 opcodes */
+
+/* 6E */ ACPI_OP ("QwordConst",         ARGP_QWORD_OP,             ARGI_QWORD_OP,              ACPI_TYPE_INTEGER,           AML_CLASS_ARGUMENT,        AML_TYPE_LITERAL,         AML_CONSTANT),
+/* 6F */ ACPI_OP ("Package /*Var*/",    ARGP_VAR_PACKAGE_OP,       ARGI_VAR_PACKAGE_OP,        ACPI_TYPE_PACKAGE,           AML_CLASS_CREATE,          AML_TYPE_CREATE_OBJECT,   AML_HAS_ARGS | AML_DEFER),
+/* 70 */ ACPI_OP ("ConcatenateResTemplate", ARGP_CONCAT_RES_OP,    ARGI_CONCAT_RES_OP,         ACPI_TYPE_ANY,               AML_CLASS_EXECUTE,         AML_TYPE_EXEC_2A_1T_1R,   AML_FLAGS_EXEC_2A_1T_1R | AML_CONSTANT),
+/* 71 */ ACPI_OP ("Mod",                ARGP_MOD_OP,               ARGI_MOD_OP,                ACPI_TYPE_ANY,               AML_CLASS_EXECUTE,         AML_TYPE_EXEC_2A_1T_1R,   AML_FLAGS_EXEC_2A_1T_1R | AML_CONSTANT),
+/* 72 */ ACPI_OP ("CreateQWordField",   ARGP_CREATE_QWORD_FIELD_OP,ARGI_CREATE_QWORD_FIELD_OP, ACPI_TYPE_BUFFER_FIELD,      AML_CLASS_CREATE,          AML_TYPE_CREATE_FIELD,    AML_HAS_ARGS | AML_NSOBJECT | AML_NSNODE | AML_DEFER | AML_CREATE),
+/* 73 */ ACPI_OP ("ToBuffer",           ARGP_TO_BUFFER_OP,         ARGI_TO_BUFFER_OP,          ACPI_TYPE_ANY,               AML_CLASS_EXECUTE,         AML_TYPE_EXEC_1A_1T_1R,   AML_FLAGS_EXEC_1A_1T_1R | AML_CONSTANT),
+/* 74 */ ACPI_OP ("ToDecimalString",    ARGP_TO_DEC_STR_OP,        ARGI_TO_DEC_STR_OP,         ACPI_TYPE_ANY,               AML_CLASS_EXECUTE,         AML_TYPE_EXEC_1A_1T_1R,   AML_FLAGS_EXEC_1A_1T_1R | AML_CONSTANT),
+/* 75 */ ACPI_OP ("ToHexString",        ARGP_TO_HEX_STR_OP,        ARGI_TO_HEX_STR_OP,         ACPI_TYPE_ANY,               AML_CLASS_EXECUTE,         AML_TYPE_EXEC_1A_1T_1R,   AML_FLAGS_EXEC_1A_1T_1R | AML_CONSTANT),
+/* 76 */ ACPI_OP ("ToInteger",          ARGP_TO_INTEGER_OP,        ARGI_TO_INTEGER_OP,         ACPI_TYPE_ANY,               AML_CLASS_EXECUTE,         AML_TYPE_EXEC_1A_1T_1R,   AML_FLAGS_EXEC_1A_1T_1R | AML_CONSTANT),
+/* 77 */ ACPI_OP ("ToString",           ARGP_TO_STRING_OP,         ARGI_TO_STRING_OP,          ACPI_TYPE_ANY,               AML_CLASS_EXECUTE,         AML_TYPE_EXEC_2A_1T_1R,   AML_FLAGS_EXEC_2A_1T_1R | AML_CONSTANT),
+/* 78 */ ACPI_OP ("CopyObject",         ARGP_COPY_OP,              ARGI_COPY_OP,               ACPI_TYPE_ANY,               AML_CLASS_EXECUTE,         AML_TYPE_EXEC_1A_1T_1R,   AML_FLAGS_EXEC_1A_1T_1R),
+/* 79 */ ACPI_OP ("Mid",                ARGP_MID_OP,               ARGI_MID_OP,                ACPI_TYPE_ANY,               AML_CLASS_EXECUTE,         AML_TYPE_EXEC_3A_1T_1R,   AML_FLAGS_EXEC_3A_1T_1R | AML_CONSTANT),
+/* 7A */ ACPI_OP ("Continue",           ARGP_CONTINUE_OP,          ARGI_CONTINUE_OP,           ACPI_TYPE_ANY,               AML_CLASS_CONTROL,         AML_TYPE_CONTROL,         0),
+/* 7B */ ACPI_OP ("LoadTable",          ARGP_LOAD_TABLE_OP,        ARGI_LOAD_TABLE_OP,         ACPI_TYPE_ANY,               AML_CLASS_EXECUTE,         AML_TYPE_EXEC_6A_0T_1R,   AML_FLAGS_EXEC_6A_0T_1R),
+/* 7C */ ACPI_OP ("DataTableRegion",    ARGP_DATA_REGION_OP,       ARGI_DATA_REGION_OP,        ACPI_TYPE_REGION,            AML_CLASS_NAMED_OBJECT,    AML_TYPE_NAMED_SIMPLE,    AML_HAS_ARGS | AML_NSOBJECT | AML_NSOPCODE | AML_NSNODE | AML_NAMED),
+/* 7D */ ACPI_OP ("[EvalSubTree]",      ARGP_SCOPE_OP,             ARGI_SCOPE_OP,              ACPI_TYPE_ANY,               AML_CLASS_NAMED_OBJECT,    AML_TYPE_NAMED_NO_OBJ,    AML_HAS_ARGS | AML_NSOBJECT | AML_NSOPCODE | AML_NSNODE)
+
+/*! [End] no source code translation !*/
+};
+
+/*
+ * This table is directly indexed by the opcodes, and returns an
+ * index into the table above
+ */
+
+static const UINT8 AcpiGbl_ShortOpIndex[256] =
+{
+/*              0     1     2     3     4     5     6     7  */
+/*              8     9     A     B     C     D     E     F  */
+/* 0x00 */    0x00, 0x01, _UNK, _UNK, _UNK, _UNK, 0x02, _UNK,
+/* 0x08 */    0x03, _UNK, 0x04, 0x05, 0x06, 0x07, 0x6E, _UNK,
+/* 0x10 */    0x08, 0x09, 0x0a, 0x6F, 0x0b, _UNK, _UNK, _UNK,
+/* 0x18 */    _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
+/* 0x20 */    _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
+/* 0x28 */    _UNK, _UNK, _UNK, _UNK, _UNK, 0x63, _PFX, _PFX,
+/* 0x30 */    0x67, 0x66, 0x68, 0x65, 0x69, 0x64, 0x6A, 0x7D,
+/* 0x38 */    _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
+/* 0x40 */    _UNK, _ASC, _ASC, _ASC, _ASC, _ASC, _ASC, _ASC,
+/* 0x48 */    _ASC, _ASC, _ASC, _ASC, _ASC, _ASC, _ASC, _ASC,
+/* 0x50 */    _ASC, _ASC, _ASC, _ASC, _ASC, _ASC, _ASC, _ASC,
+/* 0x58 */    _ASC, _ASC, _ASC, _UNK, _PFX, _UNK, _PFX, _ASC,
+/* 0x60 */    0x0c, 0x0d, 0x0e, 0x0f, 0x10, 0x11, 0x12, 0x13,
+/* 0x68 */    0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1a, _UNK,
+/* 0x70 */    0x1b, 0x1c, 0x1d, 0x1e, 0x1f, 0x20, 0x21, 0x22,
+/* 0x78 */    0x23, 0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2a,
+/* 0x80 */    0x2b, 0x2c, 0x2d, 0x2e, 0x70, 0x71, 0x2f, 0x30,
+/* 0x88 */    0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x72,
+/* 0x90 */    0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x73, 0x74,
+/* 0x98 */    0x75, 0x76, _UNK, _UNK, 0x77, 0x78, 0x79, 0x7A,
+/* 0xA0 */    0x3e, 0x3f, 0x40, 0x41, 0x42, 0x43, 0x60, 0x61,
+/* 0xA8 */    0x62, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
+/* 0xB0 */    _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
+/* 0xB8 */    _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
+/* 0xC0 */    _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
+/* 0xC8 */    _UNK, _UNK, _UNK, _UNK, 0x44, _UNK, _UNK, _UNK,
+/* 0xD0 */    _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
+/* 0xD8 */    _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
+/* 0xE0 */    _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
+/* 0xE8 */    _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
+/* 0xF0 */    _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
+/* 0xF8 */    _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, 0x45,
+};
+
+
+static const UINT8 AcpiGbl_LongOpIndex[NUM_EXTENDED_OPCODE] =
+{
+/*              0     1     2     3     4     5     6     7  */
+/*              8     9     A     B     C     D     E     F  */
+/* 0x00 */    _UNK, 0x46, 0x47, _UNK, _UNK, _UNK, _UNK, _UNK,
+/* 0x08 */    _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
+/* 0x10 */    _UNK, _UNK, 0x48, 0x49, _UNK, _UNK, _UNK, _UNK,
+/* 0x18 */    _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, 0x7B,
+/* 0x20 */    0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f, 0x50, 0x51,
+/* 0x28 */    0x52, 0x53, 0x54, _UNK, _UNK, _UNK, _UNK, _UNK,
+/* 0x30 */    0x55, 0x56, 0x57, _UNK, _UNK, _UNK, _UNK, _UNK,
+/* 0x38 */    _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
+/* 0x40 */    _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
+/* 0x48 */    _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
+/* 0x50 */    _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
+/* 0x58 */    _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
+/* 0x60 */    _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
+/* 0x68 */    _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
+/* 0x70 */    _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
+/* 0x78 */    _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
+/* 0x80 */    0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f,
+/* 0x88 */    0x7C,
+};
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiPsGetOpcodeInfo
+ *
+ * PARAMETERS:  Opcode              - The AML opcode
+ *
+ * RETURN:      A pointer to the info about the opcode.  NULL if the opcode was
+ *              not found in the table.
+ *
+ * DESCRIPTION: Find AML opcode description based on the opcode.
+ *              NOTE: This procedure must ALWAYS return a valid pointer!
+ *
+ ******************************************************************************/
+
+const ACPI_OPCODE_INFO *
+AcpiPsGetOpcodeInfo (
+    UINT16                  Opcode)
+{
+    ACPI_FUNCTION_NAME ("PsGetOpcodeInfo");
+
+
+    /*
+     * Detect normal 8-bit opcode or extended 16-bit opcode
+     */
+    switch ((UINT8) (Opcode >> 8))
+    {
+    case 0:
+
+        /* Simple (8-bit) opcode: 0-255, can't index beyond table  */
+
+        return (&AcpiGbl_AmlOpInfo [AcpiGbl_ShortOpIndex [(UINT8) Opcode]]);
+
+    case AML_EXTOP:
+
+        /* Extended (16-bit, prefix+opcode) opcode */
+
+        if (((UINT8) Opcode) <= MAX_EXTENDED_OPCODE)
+        {
+            return (&AcpiGbl_AmlOpInfo [AcpiGbl_LongOpIndex [(UINT8) Opcode]]);
+        }
+
+        /* Else fall through to error case below */
+        /*lint -fallthrough */
+
+    default:
+
+        ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Unknown extended opcode [%X]\n", Opcode));
+        break;
+    }
+
+
+    /* Default is "unknown opcode" */
+
+    return (&AcpiGbl_AmlOpInfo [_UNK]);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiPsGetOpcodeName
+ *
+ * PARAMETERS:  Opcode              - The AML opcode
+ *
+ * RETURN:      A pointer to the name of the opcode (ASCII String)
+ *              Note: Never returns NULL.
+ *
+ * DESCRIPTION: Translate an opcode into a human-readable string
+ *
+ ******************************************************************************/
+
+NATIVE_CHAR *
+AcpiPsGetOpcodeName (
+    UINT16                  Opcode)
+{
+#ifdef ACPI_DISASSEMBLER
+
+    const ACPI_OPCODE_INFO  *Op;
+
+
+    Op = AcpiPsGetOpcodeInfo (Opcode);
+
+    /* Always guaranteed to return a valid pointer */
+
+    return (Op->Name);
+
+#else
+    return ("AE_NOT_CONFIGURED");
+
+#endif
+}
+
diff --git a/sys/contrib/dev/acpica/psparse.c b/sys/contrib/dev/acpica/psparse.c
new file mode 100644
index 0000000..488adc7
--- /dev/null
+++ b/sys/contrib/dev/acpica/psparse.c
@@ -0,0 +1,1398 @@
+/******************************************************************************
+ *
+ * Module Name: psparse - Parser top level AML parse routines
+ *              $Revision: 135 $
+ *
+ *****************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+
+/*
+ * Parse the AML and build an operation tree as most interpreters,
+ * like Perl, do.  Parsing is done by hand rather than with a YACC
+ * generated parser to tightly constrain stack and dynamic memory
+ * usage.  At the same time, parsing is kept flexible and the code
+ * fairly compact by parsing based on a list of AML opcode
+ * templates in AmlOpInfo[]
+ */
+
+#include "acpi.h"
+#include "acparser.h"
+#include "acdispat.h"
+#include "amlcode.h"
+#include "acnamesp.h"
+#include "acinterp.h"
+
+#define _COMPONENT          ACPI_PARSER
+        ACPI_MODULE_NAME    ("psparse")
+
+
+static UINT32               AcpiGbl_Depth = 0;
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiPsGetOpcodeSize
+ *
+ * PARAMETERS:  Opcode          - An AML opcode
+ *
+ * RETURN:      Size of the opcode, in bytes (1 or 2)
+ *
+ * DESCRIPTION: Get the size of the current opcode.
+ *
+ ******************************************************************************/
+
+UINT32
+AcpiPsGetOpcodeSize (
+    UINT32                  Opcode)
+{
+
+    /* Extended (2-byte) opcode if > 255 */
+
+    if (Opcode > 0x00FF)
+    {
+        return (2);
+    }
+
+    /* Otherwise, just a single byte opcode */
+
+    return (1);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiPsPeekOpcode
+ *
+ * PARAMETERS:  ParserState         - A parser state object
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Get next AML opcode (without incrementing AML pointer)
+ *
+ ******************************************************************************/
+
+UINT16
+AcpiPsPeekOpcode (
+    ACPI_PARSE_STATE        *ParserState)
+{
+    UINT8                   *Aml;
+    UINT16                  Opcode;
+
+
+    Aml = ParserState->Aml;
+    Opcode = (UINT16) ACPI_GET8 (Aml);
+
+
+    if (Opcode == AML_EXTOP)
+    {
+        /* Extended opcode */
+
+        Aml++;
+        Opcode = (UINT16) ((Opcode << 8) | ACPI_GET8 (Aml));
+    }
+
+    return (Opcode);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiPsCompleteThisOp
+ *
+ * PARAMETERS:  WalkState       - Current State
+ *              Op              - Op to complete
+ *
+ * RETURN:      None.
+ *
+ * DESCRIPTION: Perform any cleanup at the completion of an Op.
+ *
+ ******************************************************************************/
+
+void
+AcpiPsCompleteThisOp (
+    ACPI_WALK_STATE         *WalkState,
+    ACPI_PARSE_OBJECT       *Op)
+{
+    ACPI_PARSE_OBJECT       *Prev;
+    ACPI_PARSE_OBJECT       *Next;
+    const ACPI_OPCODE_INFO  *ParentInfo;
+    ACPI_PARSE_OBJECT       *ReplacementOp = NULL;
+
+
+    ACPI_FUNCTION_TRACE_PTR ("PsCompleteThisOp", Op);
+
+
+    /* Check for null Op, can happen if AML code is corrupt */
+
+    if (!Op)
+    {
+        return_VOID;
+    }
+
+    /* Delete this op and the subtree below it if asked to */
+
+    if (((WalkState->ParseFlags & ACPI_PARSE_TREE_MASK) == ACPI_PARSE_DELETE_TREE) &&
+        (WalkState->OpInfo->Class != AML_CLASS_ARGUMENT))
+    {
+        /* Make sure that we only delete this subtree */
+
+        if (Op->Common.Parent)
+        {
+            /*
+             * Check if we need to replace the operator and its subtree
+             * with a return value op (placeholder op)
+             */
+            ParentInfo  = AcpiPsGetOpcodeInfo (Op->Common.Parent->Common.AmlOpcode);
+
+            switch (ParentInfo->Class)
+            {
+            case AML_CLASS_CONTROL:
+                break;
+
+            case AML_CLASS_CREATE:
+
+                /*
+                 * These opcodes contain TermArg operands.  The current
+                 * op must be replaced by a placeholder return op
+                 */
+                ReplacementOp = AcpiPsAllocOp (AML_INT_RETURN_VALUE_OP);
+                if (!ReplacementOp)
+                {
+                    return_VOID;
+                }
+                break;
+
+            case AML_CLASS_NAMED_OBJECT:
+
+                /*
+                 * These opcodes contain TermArg operands.  The current
+                 * op must be replaced by a placeholder return op
+                 */
+                if ((Op->Common.Parent->Common.AmlOpcode == AML_REGION_OP)       ||
+                    (Op->Common.Parent->Common.AmlOpcode == AML_DATA_REGION_OP)  ||
+                    (Op->Common.Parent->Common.AmlOpcode == AML_BUFFER_OP)       ||
+                    (Op->Common.Parent->Common.AmlOpcode == AML_PACKAGE_OP)      ||
+                    (Op->Common.Parent->Common.AmlOpcode == AML_VAR_PACKAGE_OP))
+                {
+                    ReplacementOp = AcpiPsAllocOp (AML_INT_RETURN_VALUE_OP);
+                    if (!ReplacementOp)
+                    {
+                        return_VOID;
+                    }
+                }
+
+                if ((Op->Common.Parent->Common.AmlOpcode == AML_NAME_OP) &&
+                    (WalkState->DescendingCallback != AcpiDsExecBeginOp))
+
+                {
+                    if ((Op->Common.AmlOpcode == AML_BUFFER_OP) ||
+                        (Op->Common.AmlOpcode == AML_PACKAGE_OP) ||
+                        (Op->Common.AmlOpcode == AML_VAR_PACKAGE_OP))
+                    {
+                        ReplacementOp = AcpiPsAllocOp (Op->Common.AmlOpcode);
+                        if (!ReplacementOp)
+                        {
+                            return_VOID;
+                        }
+
+                        ReplacementOp->Named.Data = Op->Named.Data;
+                        ReplacementOp->Named.Length = Op->Named.Length;
+                    }
+                }
+                break;
+
+            default:
+                ReplacementOp = AcpiPsAllocOp (AML_INT_RETURN_VALUE_OP);
+                if (!ReplacementOp)
+                {
+                    return_VOID;
+                }
+            }
+
+            /* We must unlink this op from the parent tree */
+
+            Prev = Op->Common.Parent->Common.Value.Arg;
+            if (Prev == Op)
+            {
+                /* This op is the first in the list */
+
+                if (ReplacementOp)
+                {
+                    ReplacementOp->Common.Parent        = Op->Common.Parent;
+                    ReplacementOp->Common.Value.Arg     = NULL;
+                    ReplacementOp->Common.Node          = Op->Common.Node;
+                    Op->Common.Parent->Common.Value.Arg = ReplacementOp;
+                    ReplacementOp->Common.Next          = Op->Common.Next;
+                }
+                else
+                {
+                    Op->Common.Parent->Common.Value.Arg    = Op->Common.Next;
+                }
+            }
+
+            /* Search the parent list */
+
+            else while (Prev)
+            {
+                /* Traverse all siblings in the parent's argument list */
+
+                Next = Prev->Common.Next;
+                if (Next == Op)
+                {
+                    if (ReplacementOp)
+                    {
+                        ReplacementOp->Common.Parent    = Op->Common.Parent;
+                        ReplacementOp->Common.Value.Arg = NULL;
+                        ReplacementOp->Common.Node      = Op->Common.Node;
+                        Prev->Common.Next               = ReplacementOp;
+                        ReplacementOp->Common.Next      = Op->Common.Next;
+                        Next = NULL;
+                    }
+                    else
+                    {
+                        Prev->Common.Next = Op->Common.Next;
+                        Next = NULL;
+                    }
+                }
+
+                Prev = Next;
+            }
+        }
+
+        /* Now we can actually delete the subtree rooted at op */
+
+        AcpiPsDeleteParseTree (Op);
+
+        return_VOID;
+    }
+
+    return_VOID;
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiPsNextParseState
+ *
+ * PARAMETERS:  ParserState         - Current parser state object
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Update the parser state based upon the return exception from
+ *              the parser callback.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiPsNextParseState (
+    ACPI_WALK_STATE         *WalkState,
+    ACPI_PARSE_OBJECT       *Op,
+    ACPI_STATUS             CallbackStatus)
+{
+    ACPI_PARSE_STATE        *ParserState = &WalkState->ParserState;
+    ACPI_STATUS             Status = AE_CTRL_PENDING;
+
+
+    ACPI_FUNCTION_TRACE_PTR ("PsNextParseState", Op);
+
+
+    switch (CallbackStatus)
+    {
+    case AE_CTRL_TERMINATE:
+
+        /*
+         * A control method was terminated via a RETURN statement.
+         * The walk of this method is complete.
+         */
+        ParserState->Aml = ParserState->AmlEnd;
+        Status = AE_CTRL_TERMINATE;
+        break;
+
+
+    case AE_CTRL_BREAK:
+
+        ParserState->Aml = WalkState->AmlLastWhile;
+        WalkState->ControlState->Common.Value = FALSE;
+        Status = AE_CTRL_BREAK;
+        break;
+
+    case AE_CTRL_CONTINUE:
+
+
+        ParserState->Aml = WalkState->AmlLastWhile;
+        Status = AE_CTRL_CONTINUE;
+        break;
+
+    case AE_CTRL_PENDING:
+
+        ParserState->Aml = WalkState->AmlLastWhile;
+        break;
+
+#if 0
+    case AE_CTRL_SKIP:
+
+        ParserState->Aml = ParserState->Scope->ParseScope.PkgEnd;
+        Status = AE_OK;
+        break;
+#endif
+
+    case AE_CTRL_TRUE:
+
+        /*
+         * Predicate of an IF was true, and we are at the matching ELSE.
+         * Just close out this package
+         */
+        ParserState->Aml = AcpiPsGetNextPackageEnd (ParserState);
+        break;
+
+
+    case AE_CTRL_FALSE:
+
+        /*
+         * Either an IF/WHILE Predicate was false or we encountered a BREAK
+         * opcode.  In both cases, we do not execute the rest of the
+         * package;  We simply close out the parent (finishing the walk of
+         * this branch of the tree) and continue execution at the parent
+         * level.
+         */
+        ParserState->Aml = ParserState->Scope->ParseScope.PkgEnd;
+
+        /* In the case of a BREAK, just force a predicate (if any) to FALSE */
+
+        WalkState->ControlState->Common.Value = FALSE;
+        Status = AE_CTRL_END;
+        break;
+
+
+    case AE_CTRL_TRANSFER:
+
+        /*
+         * A method call (invocation) -- transfer control
+         */
+        Status = AE_CTRL_TRANSFER;
+        WalkState->PrevOp = Op;
+        WalkState->MethodCallOp = Op;
+        WalkState->MethodCallNode = (Op->Common.Value.Arg)->Common.Node;
+
+        /* Will return value (if any) be used by the caller? */
+
+        WalkState->ReturnUsed = AcpiDsIsResultUsed (Op, WalkState);
+        break;
+
+
+    default:
+        Status = CallbackStatus;
+        if ((CallbackStatus & AE_CODE_MASK) == AE_CODE_CONTROL)
+        {
+            Status = AE_OK;
+        }
+        break;
+    }
+
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiPsParseLoop
+ *
+ * PARAMETERS:  ParserState         - Current parser state object
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Parse AML (pointed to by the current parser state) and return
+ *              a tree of ops.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiPsParseLoop (
+    ACPI_WALK_STATE         *WalkState)
+{
+    ACPI_STATUS             Status = AE_OK;
+    ACPI_PARSE_OBJECT       *Op = NULL;     /* current op */
+    ACPI_PARSE_OBJECT       *Arg = NULL;
+    ACPI_PARSE_OBJECT       PreOp;
+    ACPI_PARSE_STATE        *ParserState;
+    UINT8                   *AmlOpStart = NULL;
+
+
+    ACPI_FUNCTION_TRACE_PTR ("PsParseLoop", WalkState);
+
+    if (WalkState->DescendingCallback == NULL)
+    {
+        return_ACPI_STATUS (AE_BAD_PARAMETER);
+    }
+
+
+    ParserState = &WalkState->ParserState;
+    WalkState->ArgTypes = 0;
+
+#if (!defined (ACPI_NO_METHOD_EXECUTION) && !defined (ACPI_CONSTANT_EVAL_ONLY))
+    if (WalkState->WalkType & ACPI_WALK_METHOD_RESTART)
+    {
+        /* We are restarting a preempted control method */
+
+        if (AcpiPsHasCompletedScope (ParserState))
+        {
+            /*
+             * We must check if a predicate to an IF or WHILE statement
+             * was just completed
+             */
+            if ((ParserState->Scope->ParseScope.Op) &&
+               ((ParserState->Scope->ParseScope.Op->Common.AmlOpcode == AML_IF_OP) ||
+                (ParserState->Scope->ParseScope.Op->Common.AmlOpcode == AML_WHILE_OP)) &&
+                (WalkState->ControlState) &&
+                (WalkState->ControlState->Common.State ==
+                    ACPI_CONTROL_PREDICATE_EXECUTING))
+            {
+                /*
+                 * A predicate was just completed, get the value of the
+                 * predicate and branch based on that value
+                 */
+                WalkState->Op = NULL;
+                Status = AcpiDsGetPredicateValue (WalkState, ACPI_TO_POINTER (TRUE));
+                if (ACPI_FAILURE (Status) &&
+                    ((Status & AE_CODE_MASK) != AE_CODE_CONTROL))
+                {
+                    if (Status == AE_AML_NO_RETURN_VALUE)
+                    {
+                        ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+                            "Invoked method did not return a value, %s\n",
+                            AcpiFormatException (Status)));
+
+                    }
+                    ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "GetPredicate Failed, %s\n",
+                        AcpiFormatException (Status)));
+                    return_ACPI_STATUS (Status);
+                }
+
+                Status = AcpiPsNextParseState (WalkState, Op, Status);
+            }
+
+            AcpiPsPopScope (ParserState, &Op, 
+                &WalkState->ArgTypes, &WalkState->ArgCount);
+            ACPI_DEBUG_PRINT ((ACPI_DB_PARSE, "Popped scope, Op=%p\n", Op));
+        }
+        else if (WalkState->PrevOp)
+        {
+            /* We were in the middle of an op */
+
+            Op = WalkState->PrevOp;
+            WalkState->ArgTypes = WalkState->PrevArgTypes;
+        }
+    }
+#endif
+
+    /*
+     * Iterative parsing loop, while there is more aml to process:
+     */
+    while ((ParserState->Aml < ParserState->AmlEnd) || (Op))
+    {
+        AmlOpStart = ParserState->Aml;
+        if (!Op)
+        {
+            /* Get the next opcode from the AML stream */
+
+            WalkState->AmlOffset = ACPI_PTR_DIFF (ParserState->Aml, 
+                                                  ParserState->AmlStart);
+            WalkState->Opcode    = AcpiPsPeekOpcode (ParserState);
+
+            /*
+             * First cut to determine what we have found:
+             * 1) A valid AML opcode
+             * 2) A name string
+             * 3) An unknown/invalid opcode
+             */
+            WalkState->OpInfo = AcpiPsGetOpcodeInfo (WalkState->Opcode);
+            switch (WalkState->OpInfo->Class)
+            {
+            case AML_CLASS_ASCII:
+            case AML_CLASS_PREFIX:
+                /*
+                 * Starts with a valid prefix or ASCII char, this is a name
+                 * string.  Convert the bare name string to a namepath.
+                 */
+                WalkState->Opcode = AML_INT_NAMEPATH_OP;
+                WalkState->ArgTypes = ARGP_NAMESTRING;
+                break;
+
+            case AML_CLASS_UNKNOWN:
+
+                /* The opcode is unrecognized.  Just skip unknown opcodes */
+
+                ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+                    "Found unknown opcode %X at AML address %p offset %X, ignoring\n",
+                    WalkState->Opcode, ParserState->Aml, WalkState->AmlOffset));
+
+                ACPI_DUMP_BUFFER (ParserState->Aml, 128);
+
+                /* Assume one-byte bad opcode */
+
+                ParserState->Aml++;
+                continue;
+
+            default:
+
+                /* Found opcode info, this is a normal opcode */
+
+                ParserState->Aml += AcpiPsGetOpcodeSize (WalkState->Opcode);
+                WalkState->ArgTypes = WalkState->OpInfo->ParseArgs;
+                break;
+            }
+
+            /* Create Op structure and append to parent's argument list */
+
+            if (WalkState->OpInfo->Flags & AML_NAMED)
+            {
+                PreOp.Common.Value.Arg = NULL;
+                PreOp.Common.AmlOpcode = WalkState->Opcode;
+
+                /*
+                 * Get and append arguments until we find the node that contains
+                 * the name (the type ARGP_NAME).
+                 */
+                while (GET_CURRENT_ARG_TYPE (WalkState->ArgTypes) &&
+                      (GET_CURRENT_ARG_TYPE (WalkState->ArgTypes) != ARGP_NAME))
+                {
+                    Status = AcpiPsGetNextArg (WalkState, ParserState,
+                                GET_CURRENT_ARG_TYPE (WalkState->ArgTypes), &Arg);
+                    if (ACPI_FAILURE (Status))
+                    {
+                        goto CloseThisOp;
+                    }
+
+                    AcpiPsAppendArg (&PreOp, Arg);
+                    INCREMENT_ARG_LIST (WalkState->ArgTypes);
+                }
+
+                /* Make sure that we found a NAME and didn't run out of arguments */
+
+                if (!GET_CURRENT_ARG_TYPE (WalkState->ArgTypes))
+                {
+                    return_ACPI_STATUS (AE_AML_NO_OPERAND);
+                }
+
+                /* We know that this arg is a name, move to next arg */
+
+                INCREMENT_ARG_LIST (WalkState->ArgTypes);
+
+                /*
+                 * Find the object.  This will either insert the object into
+                 * the namespace or simply look it up
+                 */
+                WalkState->Op = NULL;
+
+                Status = WalkState->DescendingCallback (WalkState, &Op);
+                if (ACPI_FAILURE (Status))
+                {
+                    ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "During name lookup/catalog, %s\n",
+                            AcpiFormatException (Status)));
+                    goto CloseThisOp;
+                }
+
+                if (Op == NULL)
+                {
+                    continue;
+                }
+
+                Status = AcpiPsNextParseState (WalkState, Op, Status);
+                if (Status == AE_CTRL_PENDING)
+                {
+                    Status = AE_OK;
+                    goto CloseThisOp;
+                }
+
+                if (ACPI_FAILURE (Status))
+                {
+                    goto CloseThisOp;
+                }
+
+                AcpiPsAppendArg (Op, PreOp.Common.Value.Arg);
+                AcpiGbl_Depth++;
+
+                if (Op->Common.AmlOpcode == AML_REGION_OP)
+                {
+                    /*
+                     * Defer final parsing of an OperationRegion body,
+                     * because we don't have enough info in the first pass
+                     * to parse it correctly (i.e., there may be method
+                     * calls within the TermArg elements of the body.)
+                     *
+                     * However, we must continue parsing because
+                     * the opregion is not a standalone package --
+                     * we don't know where the end is at this point.
+                     *
+                     * (Length is unknown until parse of the body complete)
+                     */
+                    Op->Named.Data    = AmlOpStart;
+                    Op->Named.Length  = 0;
+                }
+            }
+            else
+            {
+                /* Not a named opcode, just allocate Op and append to parent */
+
+                WalkState->OpInfo = AcpiPsGetOpcodeInfo (WalkState->Opcode);
+                Op = AcpiPsAllocOp (WalkState->Opcode);
+                if (!Op)
+                {
+                    return_ACPI_STATUS (AE_NO_MEMORY);
+                }
+
+                if (WalkState->OpInfo->Flags & AML_CREATE)
+                {
+                    /*
+                     * Backup to beginning of CreateXXXfield declaration
+                     * BodyLength is unknown until we parse the body
+                     */
+                    Op->Named.Data    = AmlOpStart;
+                    Op->Named.Length  = 0;
+                }
+
+                AcpiPsAppendArg (AcpiPsGetParentScope (ParserState), Op);
+
+                if ((WalkState->DescendingCallback != NULL))
+                {
+                    /*
+                     * Find the object.  This will either insert the object into
+                     * the namespace or simply look it up
+                     */
+                    WalkState->Op = Op;
+
+                    Status = WalkState->DescendingCallback (WalkState, &Op);
+                    Status = AcpiPsNextParseState (WalkState, Op, Status);
+                    if (Status == AE_CTRL_PENDING)
+                    {
+                        Status = AE_OK;
+                        goto CloseThisOp;
+                    }
+
+                    if (ACPI_FAILURE (Status))
+                    {
+                        goto CloseThisOp;
+                    }
+                }
+            }
+
+            Op->Common.AmlOffset = WalkState->AmlOffset;
+
+            if (WalkState->OpInfo)
+            {
+                ACPI_DEBUG_PRINT ((ACPI_DB_PARSE,
+                    "Opcode %4.4X [%s] Op %p Aml %p AmlOffset %5.5X\n",
+                     (UINT32) Op->Common.AmlOpcode, WalkState->OpInfo->Name,
+                     Op, ParserState->Aml, Op->Common.AmlOffset));
+            }
+        }
+
+
+        /* Start ArgCount at zero because we don't know if there are any args yet */
+
+        WalkState->ArgCount  = 0;
+
+        if (WalkState->ArgTypes)   /* Are there any arguments that must be processed? */
+        {
+            /* Get arguments */
+
+            switch (Op->Common.AmlOpcode)
+            {
+            case AML_BYTE_OP:       /* AML_BYTEDATA_ARG */
+            case AML_WORD_OP:       /* AML_WORDDATA_ARG */
+            case AML_DWORD_OP:      /* AML_DWORDATA_ARG */
+            case AML_QWORD_OP:      /* AML_QWORDATA_ARG */
+            case AML_STRING_OP:     /* AML_ASCIICHARLIST_ARG */
+
+                /* Fill in constant or string argument directly */
+
+                AcpiPsGetNextSimpleArg (ParserState,
+                    GET_CURRENT_ARG_TYPE (WalkState->ArgTypes), Op);
+                break;
+
+            case AML_INT_NAMEPATH_OP:   /* AML_NAMESTRING_ARG */
+
+                Status = AcpiPsGetNextNamepath (WalkState, ParserState, Op, 1);
+                if (ACPI_FAILURE (Status))
+                {
+                    goto CloseThisOp;
+                }
+
+                WalkState->ArgTypes = 0;
+                break;
+
+
+            default:
+
+                /* Op is not a constant or string, append each argument */
+
+                while (GET_CURRENT_ARG_TYPE (WalkState->ArgTypes) && 
+                        !WalkState->ArgCount)
+                {
+                    WalkState->AmlOffset = ACPI_PTR_DIFF (ParserState->Aml,
+                                                          ParserState->AmlStart);
+                    Status = AcpiPsGetNextArg (WalkState, ParserState,
+                                GET_CURRENT_ARG_TYPE (WalkState->ArgTypes), &Arg);
+                    if (ACPI_FAILURE (Status))
+                    {
+                        goto CloseThisOp;
+                    }
+
+                    if (Arg)
+                    {
+                        Arg->Common.AmlOffset = WalkState->AmlOffset;
+                        AcpiPsAppendArg (Op, Arg);
+                    }
+                    INCREMENT_ARG_LIST (WalkState->ArgTypes);
+                }
+
+                switch (Op->Common.AmlOpcode)
+                {
+                case AML_METHOD_OP:
+
+                    /* For a method, save the length and address of the body */
+
+                    /*
+                     * Skip parsing of control method or opregion body,
+                     * because we don't have enough info in the first pass
+                     * to parse them correctly.
+                     */
+                    Op->Named.Data   = ParserState->Aml;
+                    Op->Named.Length = (UINT32) (ParserState->PkgEnd - ParserState->Aml);
+                    /*
+                     * Skip body of method.  For OpRegions, we must continue
+                     * parsing because the opregion is not a standalone
+                     * package (We don't know where the end is).
+                     */
+                    ParserState->Aml    = ParserState->PkgEnd;
+                    WalkState->ArgCount = 0;
+                    break;
+
+                case AML_BUFFER_OP:
+                case AML_PACKAGE_OP:
+                case AML_VAR_PACKAGE_OP:
+
+                    if ((Op->Common.Parent) &&
+                        (Op->Common.Parent->Common.AmlOpcode == AML_NAME_OP) &&
+                        (WalkState->DescendingCallback != AcpiDsExecBeginOp))
+                    {
+                        /*
+                         * Skip parsing of
+                         * because we don't have enough info in the first pass
+                         * to parse them correctly.
+                         */
+                        Op->Named.Data   = AmlOpStart;
+                        Op->Named.Length = (UINT32) (ParserState->PkgEnd - AmlOpStart);
+                        /*
+                         * Skip body
+                         */
+                        ParserState->Aml    = ParserState->PkgEnd;
+                        WalkState->ArgCount = 0;
+                    }
+                    break;
+
+                case AML_WHILE_OP:
+
+                    if (WalkState->ControlState)
+                    {
+                        WalkState->ControlState->Control.PackageEnd = ParserState->PkgEnd;
+                    }
+                    break;
+
+                default:
+                    /* No action for all other opcodes */
+                    break;
+                }
+                break;
+            }
+        }
+
+        /* Check for arguments that need to be processed */
+
+        if (WalkState->ArgCount)
+        {
+            /* There are arguments (complex ones), push Op and prepare for argument */
+
+            Status = AcpiPsPushScope (ParserState, Op, 
+                        WalkState->ArgTypes, WalkState->ArgCount);
+            if (ACPI_FAILURE (Status))
+            {
+                return_ACPI_STATUS (Status);
+            }
+            Op = NULL;
+            continue;
+        }
+
+        /* All arguments have been processed -- Op is complete, prepare for next */
+
+        WalkState->OpInfo = AcpiPsGetOpcodeInfo (Op->Common.AmlOpcode);
+        if (WalkState->OpInfo->Flags & AML_NAMED)
+        {
+            if (AcpiGbl_Depth)
+            {
+                AcpiGbl_Depth--;
+            }
+
+            if (Op->Common.AmlOpcode == AML_REGION_OP)
+            {
+                /*
+                 * Skip parsing of control method or opregion body,
+                 * because we don't have enough info in the first pass
+                 * to parse them correctly.
+                 *
+                 * Completed parsing an OpRegion declaration, we now
+                 * know the length.
+                 */
+                Op->Named.Length = (UINT32) (ParserState->Aml - Op->Named.Data);
+            }
+        }
+
+        if (WalkState->OpInfo->Flags & AML_CREATE)
+        {
+            /*
+             * Backup to beginning of CreateXXXfield declaration (1 for
+             * Opcode)
+             *
+             * BodyLength is unknown until we parse the body
+             */
+            Op->Named.Length = (UINT32) (ParserState->Aml - Op->Named.Data);
+        }
+
+        /* This op complete, notify the dispatcher */
+
+        if (WalkState->AscendingCallback != NULL)
+        {
+            WalkState->Op     = Op;
+            WalkState->Opcode = Op->Common.AmlOpcode;
+
+            Status = WalkState->AscendingCallback (WalkState);
+            Status = AcpiPsNextParseState (WalkState, Op, Status);
+            if (Status == AE_CTRL_PENDING)
+            {
+                Status = AE_OK;
+                goto CloseThisOp;
+            }
+        }
+
+
+CloseThisOp:
+        /*
+         * Finished one argument of the containing scope
+         */
+        ParserState->Scope->ParseScope.ArgCount--;
+
+        /* Close this Op (will result in parse subtree deletion) */
+
+        AcpiPsCompleteThisOp (WalkState, Op);
+        Op = NULL;
+
+        switch (Status)
+        {
+        case AE_OK:
+            break;
+
+
+        case AE_CTRL_TRANSFER:
+
+            /*
+             * We are about to transfer to a called method.
+             */
+            WalkState->PrevOp = Op;
+            WalkState->PrevArgTypes = WalkState->ArgTypes;
+            return_ACPI_STATUS (Status);
+
+
+        case AE_CTRL_END:
+
+            AcpiPsPopScope (ParserState, &Op, 
+                &WalkState->ArgTypes, &WalkState->ArgCount);
+
+            if (Op)
+            {
+                WalkState->Op     = Op;
+                WalkState->OpInfo = AcpiPsGetOpcodeInfo (Op->Common.AmlOpcode);
+                WalkState->Opcode = Op->Common.AmlOpcode;
+
+                Status = WalkState->AscendingCallback (WalkState);
+                Status = AcpiPsNextParseState (WalkState, Op, Status);
+
+                AcpiPsCompleteThisOp (WalkState, Op);
+                Op = NULL;
+            }
+            Status = AE_OK;
+            break;
+
+
+        case AE_CTRL_BREAK:
+        case AE_CTRL_CONTINUE:
+
+            /* Pop off scopes until we find the While */
+
+            while (!Op || (Op->Common.AmlOpcode != AML_WHILE_OP))
+            {
+                AcpiPsPopScope (ParserState, &Op, 
+                    &WalkState->ArgTypes, &WalkState->ArgCount);
+            }
+
+            /* Close this iteration of the While loop */
+
+            WalkState->Op     = Op;
+            WalkState->OpInfo = AcpiPsGetOpcodeInfo (Op->Common.AmlOpcode);
+            WalkState->Opcode = Op->Common.AmlOpcode;
+
+            Status = WalkState->AscendingCallback (WalkState);
+            Status = AcpiPsNextParseState (WalkState, Op, Status);
+
+            AcpiPsCompleteThisOp (WalkState, Op);
+            Op = NULL;
+
+            Status = AE_OK;
+            break;
+
+
+        case AE_CTRL_TERMINATE:
+
+            Status = AE_OK;
+
+            /* Clean up */
+            do
+            {
+                if (Op)
+                {
+                    AcpiPsCompleteThisOp (WalkState, Op);
+                }
+                AcpiPsPopScope (ParserState, &Op, 
+                    &WalkState->ArgTypes, &WalkState->ArgCount);
+
+            } while (Op);
+
+            return_ACPI_STATUS (Status);
+
+
+        default:  /* All other non-AE_OK status */
+
+            do
+            {
+                if (Op)
+                {
+                    AcpiPsCompleteThisOp (WalkState, Op);
+                }
+                AcpiPsPopScope (ParserState, &Op, 
+                    &WalkState->ArgTypes, &WalkState->ArgCount);
+
+            } while (Op);
+
+
+            /*
+             * TBD: Cleanup parse ops on error
+             */
+#if 0
+            if (Op == NULL)
+            {
+                AcpiPsPopScope (ParserState, &Op, 
+                    &WalkState->ArgTypes, &WalkState->ArgCount);
+            }
+#endif
+            WalkState->PrevOp = Op;
+            WalkState->PrevArgTypes = WalkState->ArgTypes;
+            return_ACPI_STATUS (Status);
+        }
+
+        /* This scope complete? */
+
+        if (AcpiPsHasCompletedScope (ParserState))
+        {
+            AcpiPsPopScope (ParserState, &Op, 
+                &WalkState->ArgTypes, &WalkState->ArgCount);
+            ACPI_DEBUG_PRINT ((ACPI_DB_PARSE, "Popped scope, Op=%p\n", Op));
+        }
+        else
+        {
+            Op = NULL;
+        }
+
+    } /* while ParserState->Aml */
+
+
+    /*
+     * Complete the last Op (if not completed), and clear the scope stack.
+     * It is easily possible to end an AML "package" with an unbounded number
+     * of open scopes (such as when several ASL blocks are closed with
+     * sequential closing braces).  We want to terminate each one cleanly.
+     */
+    ACPI_DEBUG_PRINT ((ACPI_DB_PARSE, "AML package complete at Op %p\n", Op));
+    do
+    {
+        if (Op)
+        {
+            if (WalkState->AscendingCallback != NULL)
+            {
+                WalkState->Op     = Op;
+                WalkState->OpInfo = AcpiPsGetOpcodeInfo (Op->Common.AmlOpcode);
+                WalkState->Opcode = Op->Common.AmlOpcode;
+
+                Status = WalkState->AscendingCallback (WalkState);
+                Status = AcpiPsNextParseState (WalkState, Op, Status);
+                if (Status == AE_CTRL_PENDING)
+                {
+                    Status = AE_OK;
+                    goto CloseThisOp;
+                }
+
+                if (Status == AE_CTRL_TERMINATE)
+                {
+                    Status = AE_OK;
+
+                    /* Clean up */
+                    do
+                    {
+                        if (Op)
+                        {
+                            AcpiPsCompleteThisOp (WalkState, Op);
+                        }
+
+                        AcpiPsPopScope (ParserState, &Op, 
+                            &WalkState->ArgTypes, &WalkState->ArgCount);
+
+                    } while (Op);
+
+                    return_ACPI_STATUS (Status);
+                }
+
+                else if (ACPI_FAILURE (Status))
+                {
+                    AcpiPsCompleteThisOp (WalkState, Op);
+                    return_ACPI_STATUS (Status);
+                }
+            }
+
+            AcpiPsCompleteThisOp (WalkState, Op);
+        }
+
+        AcpiPsPopScope (ParserState, &Op, &WalkState->ArgTypes, 
+            &WalkState->ArgCount);
+
+    } while (Op);
+
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiPsParseAml
+ *
+ * PARAMETERS:  StartScope      - The starting point of the parse.  Becomes the
+ *                                root of the parsed op tree.
+ *              Aml             - Pointer to the raw AML code to parse
+ *              AmlSize         - Length of the AML to parse
+ *
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Parse raw AML and return a tree of ops
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiPsParseAml (
+    ACPI_WALK_STATE         *WalkState)
+{
+    ACPI_STATUS             Status;
+    ACPI_STATUS             TerminateStatus;
+    ACPI_THREAD_STATE       *Thread;
+    ACPI_THREAD_STATE       *PrevWalkList = AcpiGbl_CurrentWalkList;
+    ACPI_WALK_STATE         *PreviousWalkState;
+    ACPI_OPERAND_OBJECT     **CallerReturnDesc = WalkState->CallerReturnDesc;
+    ACPI_OPERAND_OBJECT     *EffectiveReturnDesc = NULL;
+
+
+
+    ACPI_FUNCTION_TRACE ("PsParseAml");
+
+    ACPI_DEBUG_PRINT ((ACPI_DB_PARSE, "Entered with WalkState=%p Aml=%p size=%X\n",
+        WalkState, WalkState->ParserState.Aml, WalkState->ParserState.AmlSize));
+
+
+    /* Create and initialize a new thread state */
+
+    Thread = AcpiUtCreateThreadState ();
+    if (!Thread)
+    {
+        return_ACPI_STATUS (AE_NO_MEMORY);
+    }
+
+    WalkState->Thread = Thread;
+    AcpiDsPushWalkState (WalkState, Thread);
+
+    /*
+     * This global allows the AML debugger to get a handle to the currently
+     * executing control method.
+     */
+    AcpiGbl_CurrentWalkList = Thread;
+
+    /*
+     * Execute the walk loop as long as there is a valid Walk State.  This
+     * handles nested control method invocations without recursion.
+     */
+    ACPI_DEBUG_PRINT ((ACPI_DB_PARSE, "State=%p\n", WalkState));
+
+    Status = AE_OK;
+    while (WalkState)
+    {
+        if (ACPI_SUCCESS (Status))
+        {
+            /*
+             * The ParseLoop executes AML until the method terminates
+             * or calls another method.
+             */
+            Status = AcpiPsParseLoop (WalkState);
+        }
+
+        ACPI_DEBUG_PRINT ((ACPI_DB_PARSE,
+            "Completed one call to walk loop, %s State=%p\n", 
+            AcpiFormatException (Status), WalkState));
+
+        if (Status == AE_CTRL_TRANSFER)
+        {
+            /*
+             * A method call was detected.
+             * Transfer control to the called control method
+             */
+            Status = AcpiDsCallControlMethod (Thread, WalkState, NULL);
+
+            /*
+             * If the transfer to the new method method call worked, a new walk
+             * state was created -- get it
+             */
+            WalkState = AcpiDsGetCurrentWalkState (Thread);
+            continue;
+        }
+        else if (Status == AE_CTRL_TERMINATE)
+        {
+            Status = AE_OK;
+        }
+        else if (Status != AE_OK)
+        {
+            ACPI_REPORT_ERROR (("Method execution failed, %s\n", 
+                AcpiFormatException (Status)));
+            ACPI_DUMP_PATHNAME (WalkState->MethodNode, "Method pathname: ",
+                ACPI_LV_ERROR, _COMPONENT);
+        }
+
+        /* We are done with this walk, move on to the parent if any */
+
+        WalkState = AcpiDsPopWalkState (Thread);
+        /* Save the last effective return value */
+
+        if (CallerReturnDesc && WalkState->ReturnDesc)
+        {
+            AcpiUtRemoveReference (EffectiveReturnDesc);
+            EffectiveReturnDesc = WalkState->ReturnDesc;
+            AcpiUtAddReference (EffectiveReturnDesc);
+        }
+
+        /* Reset the current scope to the beginning of scope stack */
+
+        AcpiDsScopeStackClear (WalkState);
+
+        /*
+         * If we just returned from the execution of a control method,
+         * there's lots of cleanup to do
+         */
+        if ((WalkState->ParseFlags & ACPI_PARSE_MODE_MASK) == ACPI_PARSE_EXECUTE)
+        {
+            TerminateStatus = AcpiDsTerminateControlMethod (WalkState);
+            if (ACPI_FAILURE (TerminateStatus))
+            {
+                ACPI_REPORT_ERROR ((
+                    "Could not terminate control method properly\n"));
+
+                /* Ignore error and continue */
+            }
+        }
+
+        /* Delete this walk state and all linked control states */
+
+        AcpiPsCleanupScope (&WalkState->ParserState);
+
+        PreviousWalkState = WalkState;
+
+        ACPI_DEBUG_PRINT ((ACPI_DB_PARSE, "ReturnValue=%p, State=%p\n",
+            WalkState->ReturnDesc, WalkState));
+
+        /* Check if we have restarted a preempted walk */
+
+        WalkState = AcpiDsGetCurrentWalkState (Thread);
+        if (WalkState)
+        {
+            if (ACPI_SUCCESS (Status))
+            {
+                /*
+                 * There is another walk state, restart it.
+                 * If the method return value is not used by the parent,
+                 * The object is deleted
+                 */
+                Status = AcpiDsRestartControlMethod (WalkState, 
+                            PreviousWalkState->ReturnDesc);
+                if (ACPI_SUCCESS (Status))
+                {
+                    WalkState->WalkType |= ACPI_WALK_METHOD_RESTART;
+                }
+            }
+            else
+            {
+                /* On error, delete any return object */
+
+                AcpiUtRemoveReference (PreviousWalkState->ReturnDesc);
+            }
+        }
+
+        /*
+         * Just completed a 1st-level method, save the final internal return
+         * value (if any)
+         */
+        else if (PreviousWalkState->CallerReturnDesc)
+        {
+            /*
+             * Some AML code expects return value w/o ReturnOp.
+             * Return the saved effective return value instead.
+             */
+
+            if (PreviousWalkState->ReturnDesc == NULL && EffectiveReturnDesc != NULL)
+            {
+                PreviousWalkState->ReturnDesc = EffectiveReturnDesc;
+                AcpiUtAddReference (PreviousWalkState->ReturnDesc);
+            }
+
+            *(PreviousWalkState->CallerReturnDesc) = PreviousWalkState->ReturnDesc; /* NULL if no return value */
+        }
+        else if (PreviousWalkState->ReturnDesc)
+        {
+            /* Caller doesn't want it, must delete it */
+
+            AcpiUtRemoveReference (PreviousWalkState->ReturnDesc);
+        }
+
+        AcpiDsDeleteWalkState (PreviousWalkState);
+    }
+
+    /* Normal exit */
+
+    AcpiUtRemoveReference (EffectiveReturnDesc);
+    AcpiExReleaseAllMutexes (Thread);
+    AcpiUtDeleteGenericState (ACPI_CAST_PTR (ACPI_GENERIC_STATE, Thread));
+    AcpiGbl_CurrentWalkList = PrevWalkList;
+    return_ACPI_STATUS (Status);
+}
+
+
diff --git a/sys/contrib/dev/acpica/psscope.c b/sys/contrib/dev/acpica/psscope.c
new file mode 100644
index 0000000..3c20f7e
--- /dev/null
+++ b/sys/contrib/dev/acpica/psscope.c
@@ -0,0 +1,376 @@
+/******************************************************************************
+ *
+ * Module Name: psscope - Parser scope stack management routines
+ *              $Revision: 35 $
+ *
+ *****************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+
+#include "acpi.h"
+#include "acparser.h"
+
+#define _COMPONENT          ACPI_PARSER
+        ACPI_MODULE_NAME    ("psscope")
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiPsGetParentScope
+ *
+ * PARAMETERS:  ParserState         - Current parser state object
+ *
+ * RETURN:      Pointer to an Op object
+ *
+ * DESCRIPTION: Get parent of current op being parsed
+ *
+ ******************************************************************************/
+
+ACPI_PARSE_OBJECT *
+AcpiPsGetParentScope (
+    ACPI_PARSE_STATE        *ParserState)
+{
+    return (ParserState->Scope->ParseScope.Op);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiPsHasCompletedScope
+ *
+ * PARAMETERS:  ParserState         - Current parser state object
+ *
+ * RETURN:      Boolean, TRUE = scope completed.
+ *
+ * DESCRIPTION: Is parsing of current argument complete?  Determined by
+ *              1) AML pointer is at or beyond the end of the scope
+ *              2) The scope argument count has reached zero.
+ *
+ ******************************************************************************/
+
+BOOLEAN
+AcpiPsHasCompletedScope (
+    ACPI_PARSE_STATE        *ParserState)
+{
+    return ((BOOLEAN) ((ParserState->Aml >= ParserState->Scope->ParseScope.ArgEnd ||
+                        !ParserState->Scope->ParseScope.ArgCount)));
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiPsInitScope
+ *
+ * PARAMETERS:  ParserState         - Current parser state object
+ *              Root                - the Root Node of this new scope
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Allocate and init a new scope object
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiPsInitScope (
+    ACPI_PARSE_STATE        *ParserState,
+    ACPI_PARSE_OBJECT       *RootOp)
+{
+    ACPI_GENERIC_STATE      *Scope;
+
+
+    ACPI_FUNCTION_TRACE_PTR ("PsInitScope", RootOp);
+
+
+    Scope = AcpiUtCreateGenericState ();
+    if (!Scope)
+    {
+        return_ACPI_STATUS (AE_NO_MEMORY);
+    }
+
+    Scope->Common.DataType      = ACPI_DESC_TYPE_STATE_RPSCOPE;
+    Scope->ParseScope.Op        = RootOp;
+    Scope->ParseScope.ArgCount  = ACPI_VAR_ARGS;
+    Scope->ParseScope.ArgEnd    = ParserState->AmlEnd;
+    Scope->ParseScope.PkgEnd    = ParserState->AmlEnd;
+
+    ParserState->Scope          = Scope;
+    ParserState->StartOp        = RootOp;
+
+    return_ACPI_STATUS (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiPsPushScope
+ *
+ * PARAMETERS:  ParserState         - Current parser state object
+ *              Op                  - Current op to be pushed
+ *              RemainingArgs       - List of args remaining
+ *              ArgCount            - Fixed or variable number of args
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Push current op to begin parsing its argument
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiPsPushScope (
+    ACPI_PARSE_STATE        *ParserState,
+    ACPI_PARSE_OBJECT       *Op,
+    UINT32                  RemainingArgs,
+    UINT32                  ArgCount)
+{
+    ACPI_GENERIC_STATE      *Scope;
+
+
+    ACPI_FUNCTION_TRACE_PTR ("PsPushScope", Op);
+
+
+    Scope = AcpiUtCreateGenericState ();
+    if (!Scope)
+    {
+        return_ACPI_STATUS (AE_NO_MEMORY);
+    }
+
+
+    Scope->Common.DataType         = ACPI_DESC_TYPE_STATE_PSCOPE;
+    Scope->ParseScope.Op           = Op;
+    Scope->ParseScope.ArgList      = RemainingArgs;
+    Scope->ParseScope.ArgCount     = ArgCount;
+    Scope->ParseScope.PkgEnd       = ParserState->PkgEnd;
+
+    /* Push onto scope stack */
+
+    AcpiUtPushGenericState (&ParserState->Scope, Scope);
+
+
+    if (ArgCount == ACPI_VAR_ARGS)
+    {
+        /* multiple arguments */
+
+        Scope->ParseScope.ArgEnd = ParserState->PkgEnd;
+    }
+
+    else
+    {
+        /* single argument */
+
+        Scope->ParseScope.ArgEnd = ACPI_TO_POINTER (ACPI_MAX_PTR);
+    }
+
+    return_ACPI_STATUS (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiPsPopScope
+ *
+ * PARAMETERS:  ParserState         - Current parser state object
+ *              Op                  - Where the popped op is returned
+ *              ArgList             - Where the popped "next argument" is
+ *                                    returned
+ *              ArgCount            - Count of objects in ArgList
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Return to parsing a previous op
+ *
+ ******************************************************************************/
+
+void
+AcpiPsPopScope (
+    ACPI_PARSE_STATE        *ParserState,
+    ACPI_PARSE_OBJECT       **Op,
+    UINT32                  *ArgList,
+    UINT32                  *ArgCount)
+{
+    ACPI_GENERIC_STATE      *Scope = ParserState->Scope;
+
+
+    ACPI_FUNCTION_TRACE ("PsPopScope");
+
+
+    /*
+     * Only pop the scope if there is in fact a next scope
+     */
+    if (Scope->Common.Next)
+    {
+        Scope = AcpiUtPopGenericState (&ParserState->Scope);
+
+        /* return to parsing previous op */
+
+        *Op                     = Scope->ParseScope.Op;
+        *ArgList                = Scope->ParseScope.ArgList;
+        *ArgCount               = Scope->ParseScope.ArgCount;
+        ParserState->PkgEnd     = Scope->ParseScope.PkgEnd;
+
+        /* All done with this scope state structure */
+
+        AcpiUtDeleteGenericState (Scope);
+    }
+
+    else
+    {
+        /* empty parse stack, prepare to fetch next opcode */
+
+        *Op                     = NULL;
+        *ArgList                = 0;
+        *ArgCount               = 0;
+    }
+
+
+    ACPI_DEBUG_PRINT ((ACPI_DB_PARSE, "Popped Op %p Args %X\n", *Op, *ArgCount));
+    return_VOID;
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiPsCleanupScope
+ *
+ * PARAMETERS:  ParserState         - Current parser state object
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Destroy available list, remaining stack levels, and return
+ *              root scope
+ *
+ ******************************************************************************/
+
+void
+AcpiPsCleanupScope (
+    ACPI_PARSE_STATE        *ParserState)
+{
+    ACPI_GENERIC_STATE      *Scope;
+
+    ACPI_FUNCTION_TRACE_PTR ("PsCleanupScope", ParserState);
+
+
+    if (!ParserState)
+    {
+        return;
+    }
+
+
+    /* Delete anything on the scope stack */
+
+    while (ParserState->Scope)
+    {
+        Scope = AcpiUtPopGenericState (&ParserState->Scope);
+        AcpiUtDeleteGenericState (Scope);
+    }
+
+    return_VOID;
+}
+
diff --git a/sys/contrib/dev/acpica/pstree.c b/sys/contrib/dev/acpica/pstree.c
new file mode 100644
index 0000000..d1729db
--- /dev/null
+++ b/sys/contrib/dev/acpica/pstree.c
@@ -0,0 +1,418 @@
+/******************************************************************************
+ *
+ * Module Name: pstree - Parser op tree manipulation/traversal/search
+ *              $Revision: 40 $
+ *
+ *****************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+
+#define __PSTREE_C__
+
+#include "acpi.h"
+#include "acparser.h"
+#include "amlcode.h"
+
+#define _COMPONENT          ACPI_PARSER
+        ACPI_MODULE_NAME    ("pstree")
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiPsGetArg
+ *
+ * PARAMETERS:  Op              - Get an argument for this op
+ *              Argn            - Nth argument to get
+ *
+ * RETURN:      The argument (as an Op object).  NULL if argument does not exist
+ *
+ * DESCRIPTION: Get the specified op's argument.
+ *
+ ******************************************************************************/
+
+ACPI_PARSE_OBJECT *
+AcpiPsGetArg (
+    ACPI_PARSE_OBJECT       *Op,
+    UINT32                  Argn)
+{
+    ACPI_PARSE_OBJECT       *Arg = NULL;
+    const ACPI_OPCODE_INFO  *OpInfo;
+
+
+    ACPI_FUNCTION_ENTRY ();
+
+
+    /* Get the info structure for this opcode */
+
+    OpInfo = AcpiPsGetOpcodeInfo (Op->Common.AmlOpcode);
+    if (OpInfo->Class == AML_CLASS_UNKNOWN)
+    {
+        /* Invalid opcode or ASCII character */
+
+        return (NULL);
+    }
+
+    /* Check if this opcode requires argument sub-objects */
+
+    if (!(OpInfo->Flags & AML_HAS_ARGS))
+    {
+        /* Has no linked argument objects */
+
+        return (NULL);
+    }
+
+    /* Get the requested argument object */
+
+    Arg = Op->Common.Value.Arg;
+    while (Arg && Argn)
+    {
+        Argn--;
+        Arg = Arg->Common.Next;
+    }
+
+    return (Arg);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiPsAppendArg
+ *
+ * PARAMETERS:  Op              - Append an argument to this Op.
+ *              Arg             - Argument Op to append
+ *
+ * RETURN:      None.
+ *
+ * DESCRIPTION: Append an argument to an op's argument list (a NULL arg is OK)
+ *
+ ******************************************************************************/
+
+void
+AcpiPsAppendArg (
+    ACPI_PARSE_OBJECT       *Op,
+    ACPI_PARSE_OBJECT       *Arg)
+{
+    ACPI_PARSE_OBJECT       *PrevArg;
+    const ACPI_OPCODE_INFO  *OpInfo;
+
+
+    ACPI_FUNCTION_ENTRY ();
+
+
+    if (!Op)
+    {
+        return;
+    }
+
+    /* Get the info structure for this opcode */
+
+    OpInfo = AcpiPsGetOpcodeInfo (Op->Common.AmlOpcode);
+    if (OpInfo->Class == AML_CLASS_UNKNOWN)
+    {
+        /* Invalid opcode */
+
+        ACPI_REPORT_ERROR (("PsAppendArg: Invalid AML Opcode: 0x%2.2X\n",
+            Op->Common.AmlOpcode));
+        return;
+    }
+
+    /* Check if this opcode requires argument sub-objects */
+
+    if (!(OpInfo->Flags & AML_HAS_ARGS))
+    {
+        /* Has no linked argument objects */
+
+        return;
+    }
+
+
+    /* Append the argument to the linked argument list */
+
+    if (Op->Common.Value.Arg)
+    {
+        /* Append to existing argument list */
+
+        PrevArg = Op->Common.Value.Arg;
+        while (PrevArg->Common.Next)
+        {
+            PrevArg = PrevArg->Common.Next;
+        }
+        PrevArg->Common.Next = Arg;
+    }
+
+    else
+    {
+        /* No argument list, this will be the first argument */
+
+        Op->Common.Value.Arg = Arg;
+    }
+
+
+    /* Set the parent in this arg and any args linked after it */
+
+    while (Arg)
+    {
+        Arg->Common.Parent = Op;
+        Arg = Arg->Common.Next;
+    }
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiPsGetChild
+ *
+ * PARAMETERS:  Op              - Get the child of this Op
+ *
+ * RETURN:      Child Op, Null if none is found.
+ *
+ * DESCRIPTION: Get op's children or NULL if none
+ *
+ ******************************************************************************/
+
+ACPI_PARSE_OBJECT *
+AcpiPsGetChild (
+    ACPI_PARSE_OBJECT       *Op)
+{
+    ACPI_PARSE_OBJECT       *Child = NULL;
+
+
+    ACPI_FUNCTION_ENTRY ();
+
+
+    switch (Op->Common.AmlOpcode)
+    {
+    case AML_SCOPE_OP:
+    case AML_ELSE_OP:
+    case AML_DEVICE_OP:
+    case AML_THERMAL_ZONE_OP:
+    case AML_INT_METHODCALL_OP:
+
+        Child = AcpiPsGetArg (Op, 0);
+        break;
+
+
+    case AML_BUFFER_OP:
+    case AML_PACKAGE_OP:
+    case AML_METHOD_OP:
+    case AML_IF_OP:
+    case AML_WHILE_OP:
+    case AML_FIELD_OP:
+
+        Child = AcpiPsGetArg (Op, 1);
+        break;
+
+
+    case AML_POWER_RES_OP:
+    case AML_INDEX_FIELD_OP:
+
+        Child = AcpiPsGetArg (Op, 2);
+        break;
+
+
+    case AML_PROCESSOR_OP:
+    case AML_BANK_FIELD_OP:
+
+        Child = AcpiPsGetArg (Op, 3);
+        break;
+
+
+    default:
+        /* All others have no children */
+        break;
+    }
+
+    return (Child);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiPsGetDepthNext
+ *
+ * PARAMETERS:  Origin          - Root of subtree to search
+ *              Op              - Last (previous) Op that was found
+ *
+ * RETURN:      Next Op found in the search.
+ *
+ * DESCRIPTION: Get next op in tree (walking the tree in depth-first order)
+ *              Return NULL when reaching "origin" or when walking up from root
+ *
+ ******************************************************************************/
+
+ACPI_PARSE_OBJECT *
+AcpiPsGetDepthNext (
+    ACPI_PARSE_OBJECT       *Origin,
+    ACPI_PARSE_OBJECT       *Op)
+{
+    ACPI_PARSE_OBJECT       *Next = NULL;
+    ACPI_PARSE_OBJECT       *Parent;
+    ACPI_PARSE_OBJECT       *Arg;
+
+
+    ACPI_FUNCTION_ENTRY ();
+
+
+    if (!Op)
+    {
+        return (NULL);
+    }
+
+    /* look for an argument or child */
+
+    Next = AcpiPsGetArg (Op, 0);
+    if (Next)
+    {
+        return (Next);
+    }
+
+    /* look for a sibling */
+
+    Next = Op->Common.Next;
+    if (Next)
+    {
+        return (Next);
+    }
+
+    /* look for a sibling of parent */
+
+    Parent = Op->Common.Parent;
+
+    while (Parent)
+    {
+        Arg = AcpiPsGetArg (Parent, 0);
+        while (Arg && (Arg != Origin) && (Arg != Op))
+        {
+            Arg = Arg->Common.Next;
+        }
+
+        if (Arg == Origin)
+        {
+            /* reached parent of origin, end search */
+
+            return (NULL);
+        }
+
+        if (Parent->Common.Next)
+        {
+            /* found sibling of parent */
+
+            return (Parent->Common.Next);
+        }
+
+        Op = Parent;
+        Parent = Parent->Common.Parent;
+    }
+
+    return (Next);
+}
+
+
diff --git a/sys/contrib/dev/acpica/psutils.c b/sys/contrib/dev/acpica/psutils.c
new file mode 100644
index 0000000..ab9250d
--- /dev/null
+++ b/sys/contrib/dev/acpica/psutils.c
@@ -0,0 +1,396 @@
+/******************************************************************************
+ *
+ * Module Name: psutils - Parser miscellaneous utilities (Parser only)
+ *              $Revision: 54 $
+ *
+ *****************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+
+#include "acpi.h"
+#include "acparser.h"
+#include "amlcode.h"
+#include "acnamesp.h"
+
+#define _COMPONENT          ACPI_PARSER
+        ACPI_MODULE_NAME    ("psutils")
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiPsCreateScopeOp
+ *
+ * PARAMETERS:  None
+ *
+ * RETURN:      ScopeOp
+ *
+ * DESCRIPTION: Create a Scope and associated namepath op with the root name
+ *
+ ******************************************************************************/
+
+ACPI_PARSE_OBJECT *
+AcpiPsCreateScopeOp (
+    void)
+{
+    ACPI_PARSE_OBJECT       *ScopeOp;
+
+
+    ScopeOp = AcpiPsAllocOp (AML_SCOPE_OP);
+    if (!ScopeOp)
+    {
+        return (NULL);
+    }
+
+
+    ScopeOp->Named.Name = ACPI_ROOT_NAME;
+    return (ScopeOp);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiPsInitOp
+ *
+ * PARAMETERS:  Op              - A newly allocated Op object
+ *              Opcode          - Opcode to store in the Op
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Allocate an acpi_op, choose op type (and thus size) based on
+ *              opcode
+ *
+ ******************************************************************************/
+
+void
+AcpiPsInitOp (
+    ACPI_PARSE_OBJECT       *Op,
+    UINT16                  Opcode)
+{
+    ACPI_FUNCTION_ENTRY ();
+
+
+    Op->Common.DataType = ACPI_DESC_TYPE_PARSER;
+    Op->Common.AmlOpcode = Opcode;
+
+    ACPI_DISASM_ONLY_MEMBERS (ACPI_STRNCPY (Op->Common.AmlOpName,
+            (AcpiPsGetOpcodeInfo (Opcode))->Name, sizeof (Op->Common.AmlOpName)));
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiPsAllocOp
+ *
+ * PARAMETERS:  Opcode          - Opcode that will be stored in the new Op
+ *
+ * RETURN:      Pointer to the new Op.
+ *
+ * DESCRIPTION: Allocate an acpi_op, choose op type (and thus size) based on
+ *              opcode.  A cache of opcodes is available for the pure
+ *              GENERIC_OP, since this is by far the most commonly used.
+ *
+ ******************************************************************************/
+
+ACPI_PARSE_OBJECT*
+AcpiPsAllocOp (
+    UINT16                  Opcode)
+{
+    ACPI_PARSE_OBJECT       *Op = NULL;
+    UINT32                  Size;
+    UINT8                   Flags;
+    const ACPI_OPCODE_INFO  *OpInfo;
+
+
+    ACPI_FUNCTION_ENTRY ();
+
+
+    OpInfo = AcpiPsGetOpcodeInfo (Opcode);
+
+    /* Allocate the minimum required size object */
+
+    if (OpInfo->Flags & AML_DEFER)
+    {
+        Size = sizeof (ACPI_PARSE_OBJ_NAMED);
+        Flags = ACPI_PARSEOP_DEFERRED;
+    }
+    else if (OpInfo->Flags & AML_NAMED)
+    {
+        Size = sizeof (ACPI_PARSE_OBJ_NAMED);
+        Flags = ACPI_PARSEOP_NAMED;
+    }
+    else if (Opcode == AML_INT_BYTELIST_OP)
+    {
+        Size = sizeof (ACPI_PARSE_OBJ_NAMED);
+        Flags = ACPI_PARSEOP_BYTELIST;
+    }
+    else
+    {
+        Size = sizeof (ACPI_PARSE_OBJ_COMMON);
+        Flags = ACPI_PARSEOP_GENERIC;
+    }
+
+    if (Size == sizeof (ACPI_PARSE_OBJ_COMMON))
+    {
+        /*
+         * The generic op is by far the most common (16 to 1)
+         */
+        Op = AcpiUtAcquireFromCache (ACPI_MEM_LIST_PSNODE);
+    }
+    else
+    {
+        Op = AcpiUtAcquireFromCache (ACPI_MEM_LIST_PSNODE_EXT);
+    }
+
+    /* Initialize the Op */
+
+    if (Op)
+    {
+        AcpiPsInitOp (Op, Opcode);
+        Op->Common.Flags = Flags;
+    }
+
+    return (Op);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiPsFreeOp
+ *
+ * PARAMETERS:  Op              - Op to be freed
+ *
+ * RETURN:      None.
+ *
+ * DESCRIPTION: Free an Op object.  Either put it on the GENERIC_OP cache list
+ *              or actually free it.
+ *
+ ******************************************************************************/
+
+void
+AcpiPsFreeOp (
+    ACPI_PARSE_OBJECT       *Op)
+{
+    ACPI_FUNCTION_NAME ("PsFreeOp");
+
+
+    if (Op->Common.AmlOpcode == AML_INT_RETURN_VALUE_OP)
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, "Free retval op: %p\n", Op));
+    }
+
+    if (Op->Common.Flags & ACPI_PARSEOP_GENERIC)
+    {
+        AcpiUtReleaseToCache (ACPI_MEM_LIST_PSNODE, Op);
+    }
+    else
+    {
+        AcpiUtReleaseToCache (ACPI_MEM_LIST_PSNODE_EXT, Op);
+    }
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiPsDeleteParseCache
+ *
+ * PARAMETERS:  None
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Free all objects that are on the parse cache list.
+ *
+ ******************************************************************************/
+
+void
+AcpiPsDeleteParseCache (
+    void)
+{
+    ACPI_FUNCTION_TRACE ("PsDeleteParseCache");
+
+
+    AcpiUtDeleteGenericCache (ACPI_MEM_LIST_PSNODE);
+    AcpiUtDeleteGenericCache (ACPI_MEM_LIST_PSNODE_EXT);
+    return_VOID;
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    Utility functions
+ *
+ * DESCRIPTION: Low level character and object functions
+ *
+ ******************************************************************************/
+
+
+/*
+ * Is "c" a namestring lead character?
+ */
+BOOLEAN
+AcpiPsIsLeadingChar (
+    UINT32                  c)
+{
+    return ((BOOLEAN) (c == '_' || (c >= 'A' && c <= 'Z')));
+}
+
+
+/*
+ * Is "c" a namestring prefix character?
+ */
+BOOLEAN
+AcpiPsIsPrefixChar (
+    UINT32                  c)
+{
+    return ((BOOLEAN) (c == '\\' || c == '^'));
+}
+
+
+/*
+ * Get op's name (4-byte name segment) or 0 if unnamed
+ */
+UINT32
+AcpiPsGetName (
+    ACPI_PARSE_OBJECT       *Op)
+{
+
+
+    /* The "generic" object has no name associated with it */
+
+    if (Op->Common.Flags & ACPI_PARSEOP_GENERIC)
+    {
+        return (0);
+    }
+
+    /* Only the "Extended" parse objects have a name */
+
+    return (Op->Named.Name);
+}
+
+
+/*
+ * Set op's name
+ */
+void
+AcpiPsSetName (
+    ACPI_PARSE_OBJECT       *Op,
+    UINT32                  name)
+{
+
+    /* The "generic" object has no name associated with it */
+
+    if (Op->Common.Flags & ACPI_PARSEOP_GENERIC)
+    {
+        return;
+    }
+
+    Op->Named.Name = name;
+}
+
diff --git a/sys/contrib/dev/acpica/pswalk.c b/sys/contrib/dev/acpica/pswalk.c
new file mode 100644
index 0000000..835b910
--- /dev/null
+++ b/sys/contrib/dev/acpica/pswalk.c
@@ -0,0 +1,393 @@
+/******************************************************************************
+ *
+ * Module Name: pswalk - Parser routines to walk parsed op tree(s)
+ *              $Revision: 67 $
+ *
+ *****************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+
+#include "acpi.h"
+#include "acparser.h"
+#include "acdispat.h"
+
+#define _COMPONENT          ACPI_PARSER
+        ACPI_MODULE_NAME    ("pswalk")
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiPsGetNextWalkOp
+ *
+ * PARAMETERS:  WalkState           - Current state of the walk
+ *              Op                  - Current Op to be walked
+ *              AscendingCallback   - Procedure called when Op is complete
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Get the next Op in a walk of the parse tree.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiPsGetNextWalkOp (
+    ACPI_WALK_STATE         *WalkState,
+    ACPI_PARSE_OBJECT       *Op,
+    ACPI_PARSE_UPWARDS      AscendingCallback)
+{
+    ACPI_PARSE_OBJECT       *Next;
+    ACPI_PARSE_OBJECT       *Parent;
+    ACPI_PARSE_OBJECT       *GrandParent;
+    ACPI_STATUS             Status;
+
+
+    ACPI_FUNCTION_TRACE_PTR ("PsGetNextWalkOp", Op);
+
+
+    /* Check for a argument only if we are descending in the tree */
+
+    if (WalkState->NextOpInfo != ACPI_NEXT_OP_UPWARD)
+    {
+        /* Look for an argument or child of the current op */
+
+        Next = AcpiPsGetArg (Op, 0);
+        if (Next)
+        {
+            /* Still going downward in tree (Op is not completed yet) */
+
+            WalkState->PrevOp       = Op;
+            WalkState->NextOp       = Next;
+            WalkState->NextOpInfo   = ACPI_NEXT_OP_DOWNWARD;
+
+            return_ACPI_STATUS (AE_OK);
+        }
+
+        /*
+         * No more children, this Op is complete.  Save Next and Parent
+         * in case the Op object gets deleted by the callback routine
+         */
+        Next    = Op->Common.Next;
+        Parent  = Op->Common.Parent;
+
+        WalkState->Op     = Op;
+        WalkState->OpInfo = AcpiPsGetOpcodeInfo (Op->Common.AmlOpcode);
+        WalkState->Opcode = Op->Common.AmlOpcode;
+
+        Status = AscendingCallback (WalkState);
+
+        /*
+         * If we are back to the starting point, the walk is complete.
+         */
+        if (Op == WalkState->Origin)
+        {
+            /* Reached the point of origin, the walk is complete */
+
+            WalkState->PrevOp       = Op;
+            WalkState->NextOp       = NULL;
+
+            return_ACPI_STATUS (Status);
+        }
+
+        /*
+         * Check for a sibling to the current op.  A sibling means
+         * we are still going "downward" in the tree.
+         */
+        if (Next)
+        {
+            /* There is a sibling, it will be next */
+
+            WalkState->PrevOp       = Op;
+            WalkState->NextOp       = Next;
+            WalkState->NextOpInfo   = ACPI_NEXT_OP_DOWNWARD;
+
+            /* Continue downward */
+
+            return_ACPI_STATUS (Status);
+        }
+
+        /*
+         * Drop into the loop below because we are moving upwards in
+         * the tree
+         */
+    }
+    else
+    {
+        /*
+         * We are resuming a walk, and we were (are) going upward in the tree.
+         * So, we want to drop into the parent loop below.
+         */
+        Parent = Op;
+    }
+
+    /*
+     * Look for a sibling of the current Op's parent
+     * Continue moving up the tree until we find a node that has not been
+     * visited, or we get back to where we started.
+     */
+    while (Parent)
+    {
+        /* We are moving up the tree, therefore this parent Op is complete */
+
+        GrandParent = Parent->Common.Parent;
+        Next        = Parent->Common.Next;
+
+        WalkState->Op     = Parent;
+        WalkState->OpInfo = AcpiPsGetOpcodeInfo (Parent->Common.AmlOpcode);
+        WalkState->Opcode = Parent->Common.AmlOpcode;
+
+        Status = AscendingCallback (WalkState);
+
+        /*
+         * If we are back to the starting point, the walk is complete.
+         */
+        if (Parent == WalkState->Origin)
+        {
+            /* Reached the point of origin, the walk is complete */
+
+            WalkState->PrevOp       = Parent;
+            WalkState->NextOp       = NULL;
+
+            return_ACPI_STATUS (Status);
+        }
+
+        /*
+         * If there is a sibling to this parent (it is not the starting point
+         * Op), then we will visit it.
+         */
+        if (Next)
+        {
+            /* found sibling of parent */
+
+            WalkState->PrevOp       = Parent;
+            WalkState->NextOp       = Next;
+            WalkState->NextOpInfo   = ACPI_NEXT_OP_DOWNWARD;
+
+            return_ACPI_STATUS (Status);
+        }
+
+        /* No siblings, no errors, just move up one more level in the tree */
+
+        Op                  = Parent;
+        Parent              = GrandParent;
+        WalkState->PrevOp   = Op;
+    }
+
+
+    /*
+     * Got all the way to the top of the tree, we must be done!
+     * However, the code should have terminated in the loop above
+     */
+    WalkState->NextOp       = NULL;
+
+    return_ACPI_STATUS (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiPsDeleteCompletedOp
+ *
+ * PARAMETERS:  State           - Walk state
+ *              Op              - Completed op
+ *
+ * RETURN:      AE_OK
+ *
+ * DESCRIPTION: Callback function for AcpiPsGetNextWalkOp().  Used during
+ *              AcpiPsDeleteParse tree to delete Op objects when all sub-objects
+ *              have been visited (and deleted.)
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiPsDeleteCompletedOp (
+    ACPI_WALK_STATE         *WalkState)
+{
+
+    AcpiPsFreeOp (WalkState->Op);
+    return (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiPsDeleteParseTree
+ *
+ * PARAMETERS:  SubtreeRoot         - Root of tree (or subtree) to delete
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Delete a portion of or an entire parse tree.
+ *
+ ******************************************************************************/
+
+void
+AcpiPsDeleteParseTree (
+    ACPI_PARSE_OBJECT       *SubtreeRoot)
+{
+    ACPI_WALK_STATE         *WalkState;
+    ACPI_THREAD_STATE       *Thread;
+    ACPI_STATUS             Status;
+
+
+    ACPI_FUNCTION_TRACE_PTR ("PsDeleteParseTree", SubtreeRoot);
+
+
+    if (!SubtreeRoot)
+    {
+        return_VOID;
+    }
+
+    /* Create and initialize a new walk list */
+
+    Thread = AcpiUtCreateThreadState ();
+    if (!Thread)
+    {
+        return_VOID;
+    }
+
+    WalkState = AcpiDsCreateWalkState (TABLE_ID_DSDT, NULL, NULL, Thread);
+    if (!WalkState)
+    {
+        return_VOID;
+    }
+
+    WalkState->ParseFlags           = 0;
+    WalkState->DescendingCallback   = NULL;
+    WalkState->AscendingCallback    = NULL;
+
+    WalkState->Origin = SubtreeRoot;
+    WalkState->NextOp = SubtreeRoot;
+
+    /* Head downward in the tree */
+
+    WalkState->NextOpInfo = ACPI_NEXT_OP_DOWNWARD;
+
+    /* Visit all nodes in the subtree */
+
+    while (WalkState->NextOp)
+    {
+        Status = AcpiPsGetNextWalkOp (WalkState, WalkState->NextOp,
+                                AcpiPsDeleteCompletedOp);
+        if (ACPI_FAILURE (Status))
+        {
+            break;
+        }
+    }
+
+    /* We are done with this walk */
+
+    AcpiUtDeleteGenericState (ACPI_CAST_PTR (ACPI_GENERIC_STATE, Thread));
+    AcpiDsDeleteWalkState (WalkState);
+
+    return_VOID;
+}
+
+
diff --git a/sys/contrib/dev/acpica/psxface.c b/sys/contrib/dev/acpica/psxface.c
new file mode 100644
index 0000000..d566a4b
--- /dev/null
+++ b/sys/contrib/dev/acpica/psxface.c
@@ -0,0 +1,312 @@
+/******************************************************************************
+ *
+ * Module Name: psxface - Parser external interfaces
+ *              $Revision: 66 $
+ *
+ *****************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+#define __PSXFACE_C__
+
+#include "acpi.h"
+#include "acparser.h"
+#include "acdispat.h"
+#include "acinterp.h"
+#include "acnamesp.h"
+
+
+#define _COMPONENT          ACPI_PARSER
+        ACPI_MODULE_NAME    ("psxface")
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiPsxExecute
+ *
+ * PARAMETERS:  MethodNode          - A method object containing both the AML
+ *                                    address and length.
+ *              **Params            - List of parameters to pass to method,
+ *                                    terminated by NULL. Params itself may be
+ *                                    NULL if no parameters are being passed.
+ *              **ReturnObjDesc     - Return object from execution of the
+ *                                    method.
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Execute a control method
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiPsxExecute (
+    ACPI_NAMESPACE_NODE     *MethodNode,
+    ACPI_OPERAND_OBJECT     **Params,
+    ACPI_OPERAND_OBJECT     **ReturnObjDesc)
+{
+    ACPI_STATUS             Status;
+    ACPI_OPERAND_OBJECT     *ObjDesc;
+    UINT32                  i;
+    ACPI_PARSE_OBJECT       *Op;
+    ACPI_WALK_STATE         *WalkState;
+
+
+    ACPI_FUNCTION_TRACE ("PsxExecute");
+
+
+    /* Validate the Node and get the attached object */
+
+    if (!MethodNode)
+    {
+        return_ACPI_STATUS (AE_NULL_ENTRY);
+    }
+
+    ObjDesc = AcpiNsGetAttachedObject (MethodNode);
+    if (!ObjDesc)
+    {
+        return_ACPI_STATUS (AE_NULL_OBJECT);
+    }
+
+    /* Init for new method, wait on concurrency semaphore */
+
+    Status = AcpiDsBeginMethodExecution (MethodNode, ObjDesc, NULL);
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    if (Params)
+    {
+        /*
+         * The caller "owns" the parameters, so give each one an extra
+         * reference
+         */
+        for (i = 0; Params[i]; i++)
+        {
+            AcpiUtAddReference (Params[i]);
+        }
+    }
+
+    /*
+     * 1) Perform the first pass parse of the method to enter any
+     * named objects that it creates into the namespace
+     */
+    ACPI_DEBUG_PRINT ((ACPI_DB_PARSE,
+        "**** Begin Method Parse **** Entry=%p obj=%p\n",
+        MethodNode, ObjDesc));
+
+    /* Create and init a Root Node */
+
+    Op = AcpiPsCreateScopeOp ();
+    if (!Op)
+    {
+        return_ACPI_STATUS (AE_NO_MEMORY);
+    }
+
+    /*
+     * Get a new OwnerId for objects created by this method.  Namespace
+     * objects (such as Operation Regions) can be created during the
+     * first pass parse.
+     */
+    ObjDesc->Method.OwningId = AcpiUtAllocateOwnerId (ACPI_OWNER_TYPE_METHOD);
+
+    /* Create and initialize a new walk state */
+
+    WalkState = AcpiDsCreateWalkState (ObjDesc->Method.OwningId,
+                                    NULL, NULL, NULL);
+    if (!WalkState)
+    {
+        return_ACPI_STATUS (AE_NO_MEMORY);
+    }
+
+    Status = AcpiDsInitAmlWalk (WalkState, Op, MethodNode, ObjDesc->Method.AmlStart,
+                    ObjDesc->Method.AmlLength, NULL, NULL, 1);
+    if (ACPI_FAILURE (Status))
+    {
+        AcpiDsDeleteWalkState (WalkState);
+        return_ACPI_STATUS (Status);
+    }
+
+    /* Parse the AML */
+
+    Status = AcpiPsParseAml (WalkState);
+    AcpiPsDeleteParseTree (Op);
+
+    /*
+     * 2) Execute the method.  Performs second pass parse simultaneously
+     */
+    ACPI_DEBUG_PRINT ((ACPI_DB_PARSE,
+        "**** Begin Method Execution **** Entry=%p obj=%p\n",
+        MethodNode, ObjDesc));
+
+    /* Create and init a Root Node */
+
+    Op = AcpiPsCreateScopeOp ();
+    if (!Op)
+    {
+        return_ACPI_STATUS (AE_NO_MEMORY);
+    }
+
+    /* Init new op with the method name and pointer back to the NS node */
+
+    AcpiPsSetName (Op, MethodNode->Name.Integer);
+    Op->Common.Node = MethodNode;
+
+    /* Create and initialize a new walk state */
+
+    WalkState = AcpiDsCreateWalkState (TABLE_ID_DSDT, NULL, NULL, NULL);
+    if (!WalkState)
+    {
+        return_ACPI_STATUS (AE_NO_MEMORY);
+    }
+
+    Status = AcpiDsInitAmlWalk (WalkState, Op, MethodNode, ObjDesc->Method.AmlStart,
+                    ObjDesc->Method.AmlLength, Params, ReturnObjDesc, 3);
+    if (ACPI_FAILURE (Status))
+    {
+        AcpiDsDeleteWalkState (WalkState);
+        return_ACPI_STATUS (Status);
+    }
+
+    /*
+     * The walk of the parse tree is where we actually execute the method
+     */
+    Status = AcpiPsParseAml (WalkState);
+    AcpiPsDeleteParseTree (Op);
+
+    if (Params)
+    {
+        /* Take away the extra reference that we gave the parameters above */
+
+        for (i = 0; Params[i]; i++)
+        {
+            /* Ignore errors, just do them all */
+
+            (void) AcpiUtUpdateObjectReference (Params[i], REF_DECREMENT);
+        }
+    }
+
+    /*
+     * If the method has returned an object, signal this to the caller with
+     * a control exception code
+     */
+    if (*ReturnObjDesc)
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_PARSE, "Method returned ObjDesc=%p\n",
+            *ReturnObjDesc));
+        ACPI_DUMP_STACK_ENTRY (*ReturnObjDesc);
+
+        Status = AE_CTRL_RETURN_VALUE;
+    }
+
+    return_ACPI_STATUS (Status);
+}
+
+
diff --git a/sys/contrib/dev/acpica/rsaddr.c b/sys/contrib/dev/acpica/rsaddr.c
new file mode 100644
index 0000000..3dd4439
--- /dev/null
+++ b/sys/contrib/dev/acpica/rsaddr.c
@@ -0,0 +1,1303 @@
+/*******************************************************************************
+ *
+ * Module Name: rsaddr - Address resource descriptors (16/32/64)
+ *              $Revision: 26 $
+ *
+ ******************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+#define __RSADDR_C__
+
+#include "acpi.h"
+#include "acresrc.h"
+
+#define _COMPONENT          ACPI_RESOURCES
+        ACPI_MODULE_NAME    ("rsaddr")
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiRsAddress16Resource
+ *
+ * PARAMETERS:  ByteStreamBuffer        - Pointer to the resource input byte
+ *                                        stream
+ *              BytesConsumed           - Pointer to where the number of bytes
+ *                                        consumed the ByteStreamBuffer is
+ *                                        returned
+ *              OutputBuffer            - Pointer to the return data buffer
+ *              StructureSize           - Pointer to where the number of bytes
+ *                                        in the return data struct is returned
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Take the resource byte stream and fill out the appropriate
+ *              structure pointed to by the OutputBuffer.  Return the
+ *              number of bytes consumed from the byte stream.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiRsAddress16Resource (
+    UINT8                   *ByteStreamBuffer,
+    ACPI_SIZE               *BytesConsumed,
+    UINT8                   **OutputBuffer,
+    ACPI_SIZE               *StructureSize)
+{
+    UINT8                   *Buffer = ByteStreamBuffer;
+    ACPI_RESOURCE           *OutputStruct = (void *) *OutputBuffer;
+    UINT8                   *TempPtr;
+    ACPI_SIZE               StructSize = ACPI_SIZEOF_RESOURCE (ACPI_RESOURCE_ADDRESS16);
+    UINT32                  Index;
+    UINT16                  Temp16;
+    UINT8                   Temp8;
+
+
+    ACPI_FUNCTION_TRACE ("RsAddress16Resource");
+
+    /*
+     * Point past the Descriptor to get the number of bytes consumed
+     */
+    Buffer += 1;
+    ACPI_MOVE_UNALIGNED16_TO_16 (&Temp16, Buffer);
+
+    *BytesConsumed = Temp16 + 3;
+    OutputStruct->Id = ACPI_RSTYPE_ADDRESS16;
+
+    /*
+     * Get the Resource Type (Byte3)
+     */
+    Buffer += 2;
+    Temp8 = *Buffer;
+
+    /* Values 0-2 are valid */
+
+    if (Temp8 > 2)
+    {
+        return_ACPI_STATUS (AE_AML_INVALID_RESOURCE_TYPE);
+    }
+
+    OutputStruct->Data.Address16.ResourceType = Temp8 & 0x03;
+
+    /*
+     * Get the General Flags (Byte4)
+     */
+    Buffer += 1;
+    Temp8 = *Buffer;
+
+    /* Producer / Consumer */
+
+    OutputStruct->Data.Address16.ProducerConsumer = Temp8 & 0x01;
+
+    /* Decode */
+
+    OutputStruct->Data.Address16.Decode = (Temp8 >> 1) & 0x01;
+
+    /* Min Address Fixed */
+
+    OutputStruct->Data.Address16.MinAddressFixed = (Temp8 >> 2) & 0x01;
+
+    /* Max Address Fixed */
+
+    OutputStruct->Data.Address16.MaxAddressFixed = (Temp8 >> 3) & 0x01;
+
+    /*
+     * Get the Type Specific Flags (Byte5)
+     */
+    Buffer += 1;
+    Temp8 = *Buffer;
+
+    if (ACPI_MEMORY_RANGE == OutputStruct->Data.Address16.ResourceType)
+    {
+        OutputStruct->Data.Address16.Attribute.Memory.ReadWriteAttribute =
+                (UINT16) (Temp8 & 0x01);
+        OutputStruct->Data.Address16.Attribute.Memory.CacheAttribute =
+                (UINT16) ((Temp8 >> 1) & 0x0F);
+    }
+    else
+    {
+        if (ACPI_IO_RANGE == OutputStruct->Data.Address16.ResourceType)
+        {
+            OutputStruct->Data.Address16.Attribute.Io.RangeAttribute =
+                (UINT16) (Temp8 & 0x03);
+        }
+        else
+        {
+            /* BUS_NUMBER_RANGE == Address16.Data->ResourceType */
+            /* Nothing needs to be filled in */
+        }
+    }
+
+    /*
+     * Get Granularity (Bytes 6-7)
+     */
+    Buffer += 1;
+    ACPI_MOVE_UNALIGNED16_TO_16 (&OutputStruct->Data.Address16.Granularity,
+                            Buffer);
+
+    /*
+     * Get MinAddressRange (Bytes 8-9)
+     */
+    Buffer += 2;
+    ACPI_MOVE_UNALIGNED16_TO_16 (&OutputStruct->Data.Address16.MinAddressRange,
+                            Buffer);
+
+    /*
+     * Get MaxAddressRange (Bytes 10-11)
+     */
+    Buffer += 2;
+    ACPI_MOVE_UNALIGNED16_TO_16 (&OutputStruct->Data.Address16.MaxAddressRange,
+                            Buffer);
+
+    /*
+     * Get AddressTranslationOffset (Bytes 12-13)
+     */
+    Buffer += 2;
+    ACPI_MOVE_UNALIGNED16_TO_16 (&OutputStruct->Data.Address16.AddressTranslationOffset,
+                            Buffer);
+
+    /*
+     * Get AddressLength (Bytes 14-15)
+     */
+    Buffer += 2;
+    ACPI_MOVE_UNALIGNED16_TO_16 (&OutputStruct->Data.Address16.AddressLength,
+                            Buffer);
+
+    /*
+     * Resource Source Index (if present)
+     */
+    Buffer += 2;
+
+    /*
+     * This will leave us pointing to the Resource Source Index
+     * If it is present, then save it off and calculate the
+     * pointer to where the null terminated string goes:
+     * Each Interrupt takes 32-bits + the 5 bytes of the
+     * stream that are default.
+     */
+    if (*BytesConsumed > 16)
+    {
+        /* Dereference the Index */
+
+        Temp8 = *Buffer;
+        OutputStruct->Data.Address16.ResourceSource.Index = (UINT32) Temp8;
+
+        /* Point to the String */
+
+        Buffer += 1;
+
+        /* Point the String pointer to the end of this structure */
+
+        OutputStruct->Data.Address16.ResourceSource.StringPtr =
+                (NATIVE_CHAR *)((UINT8 * )OutputStruct + StructSize);
+
+        TempPtr = (UINT8 *) OutputStruct->Data.Address16.ResourceSource.StringPtr;
+
+        /* Copy the string into the buffer */
+
+        Index = 0;
+
+        while (0x00 != *Buffer)
+        {
+            *TempPtr = *Buffer;
+
+            TempPtr += 1;
+            Buffer += 1;
+            Index += 1;
+        }
+
+        /*
+         * Add the terminating null
+         */
+        *TempPtr = 0x00;
+
+        OutputStruct->Data.Address16.ResourceSource.StringLength = Index + 1;
+
+        /*
+         * In order for the StructSize to fall on a 32-bit boundary,
+         * calculate the length of the string and expand the
+         * StructSize to the next 32-bit boundary.
+         */
+        Temp8 = (UINT8) (Index + 1);
+        StructSize += ACPI_ROUND_UP_TO_32BITS (Temp8);
+    }
+    else
+    {
+        OutputStruct->Data.Address16.ResourceSource.Index = 0x00;
+        OutputStruct->Data.Address16.ResourceSource.StringLength = 0;
+        OutputStruct->Data.Address16.ResourceSource.StringPtr = NULL;
+    }
+
+    /*
+     * Set the Length parameter
+     */
+    OutputStruct->Length = (UINT32) StructSize;
+
+    /*
+     * Return the final size of the structure
+     */
+    *StructureSize = StructSize;
+    return_ACPI_STATUS (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiRsAddress16Stream
+ *
+ * PARAMETERS:  LinkedList              - Pointer to the resource linked list
+ *              OutputBuffer            - Pointer to the user's return buffer
+ *              BytesConsumed           - Pointer to where the number of bytes
+ *                                        used in the OutputBuffer is returned
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Take the linked list resource structure and fills in the
+ *              the appropriate bytes in a byte stream
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiRsAddress16Stream (
+    ACPI_RESOURCE           *LinkedList,
+    UINT8                   **OutputBuffer,
+    ACPI_SIZE               *BytesConsumed)
+{
+    UINT8                   *Buffer = *OutputBuffer;
+    UINT8                   *LengthField;
+    UINT8                   Temp8;
+    NATIVE_CHAR             *TempPointer = NULL;
+    ACPI_SIZE               ActualBytes;
+
+
+    ACPI_FUNCTION_TRACE ("RsAddress16Stream");
+
+
+    /*
+     * The descriptor field is static
+     */
+    *Buffer = 0x88;
+    Buffer += 1;
+
+    /*
+     * Save a pointer to the Length field - to be filled in later
+     */
+    LengthField = Buffer;
+    Buffer += 2;
+
+    /*
+     * Set the Resource Type (Memory, Io, BusNumber)
+     */
+    Temp8 = (UINT8) (LinkedList->Data.Address16.ResourceType & 0x03);
+    *Buffer = Temp8;
+    Buffer += 1;
+
+    /*
+     * Set the general flags
+     */
+    Temp8 = (UINT8) (LinkedList->Data.Address16.ProducerConsumer & 0x01);
+
+    Temp8 |= (LinkedList->Data.Address16.Decode & 0x01) << 1;
+    Temp8 |= (LinkedList->Data.Address16.MinAddressFixed & 0x01) << 2;
+    Temp8 |= (LinkedList->Data.Address16.MaxAddressFixed & 0x01) << 3;
+
+    *Buffer = Temp8;
+    Buffer += 1;
+
+    /*
+     * Set the type specific flags
+     */
+    Temp8 = 0;
+
+    if (ACPI_MEMORY_RANGE == LinkedList->Data.Address16.ResourceType)
+    {
+        Temp8 = (UINT8)
+            (LinkedList->Data.Address16.Attribute.Memory.ReadWriteAttribute &
+             0x01);
+
+        Temp8 |=
+            (LinkedList->Data.Address16.Attribute.Memory.CacheAttribute &
+             0x0F) << 1;
+    }
+    else if (ACPI_IO_RANGE == LinkedList->Data.Address16.ResourceType)
+    {
+        Temp8 = (UINT8)
+            (LinkedList->Data.Address16.Attribute.Io.RangeAttribute &
+             0x03);
+    }
+
+    *Buffer = Temp8;
+    Buffer += 1;
+
+    /*
+     * Set the address space granularity
+     */
+    ACPI_MOVE_UNALIGNED16_TO_16 (Buffer,
+                        &LinkedList->Data.Address16.Granularity);
+    Buffer += 2;
+
+    /*
+     * Set the address range minimum
+     */
+    ACPI_MOVE_UNALIGNED16_TO_16 (Buffer,
+                        &LinkedList->Data.Address16.MinAddressRange);
+    Buffer += 2;
+
+    /*
+     * Set the address range maximum
+     */
+    ACPI_MOVE_UNALIGNED16_TO_16 (Buffer,
+                        &LinkedList->Data.Address16.MaxAddressRange);
+    Buffer += 2;
+
+    /*
+     * Set the address translation offset
+     */
+    ACPI_MOVE_UNALIGNED16_TO_16 (Buffer,
+                        &LinkedList->Data.Address16.AddressTranslationOffset);
+    Buffer += 2;
+
+    /*
+     * Set the address length
+     */
+    ACPI_MOVE_UNALIGNED16_TO_16 (Buffer,
+                        &LinkedList->Data.Address16.AddressLength);
+    Buffer += 2;
+
+    /*
+     * Resource Source Index and Resource Source are optional
+     */
+    if (0 != LinkedList->Data.Address16.ResourceSource.StringLength)
+    {
+        Temp8 = (UINT8) LinkedList->Data.Address16.ResourceSource.Index;
+
+        *Buffer = Temp8;
+        Buffer += 1;
+
+        TempPointer = (NATIVE_CHAR *) Buffer;
+
+        /*
+         * Copy the string
+         */
+        ACPI_STRCPY (TempPointer,
+                LinkedList->Data.Address16.ResourceSource.StringPtr);
+
+        /*
+         * Buffer needs to be set to the length of the sting + one for the
+         *  terminating null
+         */
+        Buffer += (ACPI_STRLEN (LinkedList->Data.Address16.ResourceSource.StringPtr) + 1);
+    }
+
+    /*
+     * Return the number of bytes consumed in this operation
+     */
+    ActualBytes = ACPI_PTR_DIFF (Buffer, *OutputBuffer);
+    *BytesConsumed = ActualBytes;
+
+    /*
+     * Set the length field to the number of bytes consumed
+     * minus the header size (3 bytes)
+     */
+    ActualBytes -= 3;
+    ACPI_MOVE_UNALIGNED16_TO_16 (LengthField, &ActualBytes);
+    return_ACPI_STATUS (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiRsAddress32Resource
+ *
+ * PARAMETERS:  ByteStreamBuffer        - Pointer to the resource input byte
+ *                                        stream
+ *              BytesConsumed           - Pointer to where the number of bytes
+ *                                        consumed the ByteStreamBuffer is
+ *                                        returned
+ *              OutputBuffer            - Pointer to the return data buffer
+ *              StructureSize           - Pointer to where the number of bytes
+ *                                        in the return data struct is returned
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Take the resource byte stream and fill out the appropriate
+ *              structure pointed to by the OutputBuffer.  Return the
+ *              number of bytes consumed from the byte stream.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiRsAddress32Resource (
+    UINT8                   *ByteStreamBuffer,
+    ACPI_SIZE               *BytesConsumed,
+    UINT8                   **OutputBuffer,
+    ACPI_SIZE               *StructureSize)
+{
+    UINT8                   *Buffer;
+    ACPI_RESOURCE           *OutputStruct= (void *) *OutputBuffer;
+    UINT16                  Temp16;
+    UINT8                   Temp8;
+    UINT8                   *TempPtr;
+    ACPI_SIZE               StructSize;
+    UINT32                  Index;
+
+
+    ACPI_FUNCTION_TRACE ("RsAddress32Resource");
+
+
+    Buffer = ByteStreamBuffer;
+    StructSize = ACPI_SIZEOF_RESOURCE (ACPI_RESOURCE_ADDRESS32);
+
+    /*
+     * Point past the Descriptor to get the number of bytes consumed
+     */
+    Buffer += 1;
+    ACPI_MOVE_UNALIGNED16_TO_16 (&Temp16, Buffer);
+    *BytesConsumed = Temp16 + 3;
+
+    OutputStruct->Id = ACPI_RSTYPE_ADDRESS32;
+
+    /*
+     * Get the Resource Type (Byte3)
+     */
+    Buffer += 2;
+    Temp8 = *Buffer;
+
+    /* Values 0-2 are valid */
+    if(Temp8 > 2)
+    {
+        return_ACPI_STATUS (AE_AML_INVALID_RESOURCE_TYPE);
+    }
+
+    OutputStruct->Data.Address32.ResourceType = Temp8 & 0x03;
+
+    /*
+     * Get the General Flags (Byte4)
+     */
+    Buffer += 1;
+    Temp8 = *Buffer;
+
+    /*
+     * Producer / Consumer
+     */
+    OutputStruct->Data.Address32.ProducerConsumer = Temp8 & 0x01;
+
+    /*
+     * Decode
+     */
+    OutputStruct->Data.Address32.Decode = (Temp8 >> 1) & 0x01;
+
+    /*
+     * Min Address Fixed
+     */
+    OutputStruct->Data.Address32.MinAddressFixed = (Temp8 >> 2) & 0x01;
+
+    /*
+     * Max Address Fixed
+     */
+    OutputStruct->Data.Address32.MaxAddressFixed = (Temp8 >> 3) & 0x01;
+
+    /*
+     * Get the Type Specific Flags (Byte5)
+     */
+    Buffer += 1;
+    Temp8 = *Buffer;
+
+    if (ACPI_MEMORY_RANGE == OutputStruct->Data.Address32.ResourceType)
+    {
+        OutputStruct->Data.Address32.Attribute.Memory.ReadWriteAttribute =
+                (UINT16) (Temp8 & 0x01);
+
+        OutputStruct->Data.Address32.Attribute.Memory.CacheAttribute =
+                (UINT16) ((Temp8 >> 1) & 0x0F);
+    }
+    else
+    {
+        if (ACPI_IO_RANGE == OutputStruct->Data.Address32.ResourceType)
+        {
+            OutputStruct->Data.Address32.Attribute.Io.RangeAttribute =
+                (UINT16) (Temp8 & 0x03);
+        }
+        else
+        {
+            /* BUS_NUMBER_RANGE == OutputStruct->Data.Address32.ResourceType */
+            /* Nothing needs to be filled in */
+        }
+    }
+
+    /*
+     * Get Granularity (Bytes 6-9)
+     */
+    Buffer += 1;
+    ACPI_MOVE_UNALIGNED32_TO_32 (&OutputStruct->Data.Address32.Granularity,
+                            Buffer);
+
+    /*
+     * Get MinAddressRange (Bytes 10-13)
+     */
+    Buffer += 4;
+    ACPI_MOVE_UNALIGNED32_TO_32 (&OutputStruct->Data.Address32.MinAddressRange,
+                            Buffer);
+
+    /*
+     * Get MaxAddressRange (Bytes 14-17)
+     */
+    Buffer += 4;
+    ACPI_MOVE_UNALIGNED32_TO_32 (&OutputStruct->Data.Address32.MaxAddressRange,
+                            Buffer);
+
+    /*
+     * Get AddressTranslationOffset (Bytes 18-21)
+     */
+    Buffer += 4;
+    ACPI_MOVE_UNALIGNED32_TO_32 (&OutputStruct->Data.Address32.AddressTranslationOffset,
+                            Buffer);
+
+    /*
+     * Get AddressLength (Bytes 22-25)
+     */
+    Buffer += 4;
+    ACPI_MOVE_UNALIGNED32_TO_32 (&OutputStruct->Data.Address32.AddressLength,
+                            Buffer);
+
+    /*
+     * Resource Source Index (if present)
+     */
+    Buffer += 4;
+
+    /*
+     * This will leave us pointing to the Resource Source Index
+     * If it is present, then save it off and calculate the
+     * pointer to where the null terminated string goes:
+     */
+    if (*BytesConsumed > 26)
+    {
+        /* Dereference the Index */
+
+        Temp8 = *Buffer;
+        OutputStruct->Data.Address32.ResourceSource.Index =
+                (UINT32) Temp8;
+
+        /* Point to the String */
+
+        Buffer += 1;
+
+        /* Point the String pointer to the end of this structure */
+
+        OutputStruct->Data.Address32.ResourceSource.StringPtr =
+                (NATIVE_CHAR *)((UINT8 *)OutputStruct + StructSize);
+
+        TempPtr = (UINT8 *) OutputStruct->Data.Address32.ResourceSource.StringPtr;
+
+        /* Copy the string into the buffer */
+
+        Index = 0;
+        while (0x00 != *Buffer)
+        {
+            *TempPtr = *Buffer;
+
+            TempPtr += 1;
+            Buffer += 1;
+            Index += 1;
+        }
+
+        /*
+         * Add the terminating null
+         */
+        *TempPtr = 0x00;
+        OutputStruct->Data.Address32.ResourceSource.StringLength = Index + 1;
+
+        /*
+         * In order for the StructSize to fall on a 32-bit boundary,
+         *  calculate the length of the string and expand the
+         *  StructSize to the next 32-bit boundary.
+         */
+        Temp8 = (UINT8) (Index + 1);
+        StructSize += ACPI_ROUND_UP_TO_32BITS (Temp8);
+    }
+    else
+    {
+        OutputStruct->Data.Address32.ResourceSource.Index = 0x00;
+        OutputStruct->Data.Address32.ResourceSource.StringLength = 0;
+        OutputStruct->Data.Address32.ResourceSource.StringPtr = NULL;
+    }
+
+    /*
+     * Set the Length parameter
+     */
+    OutputStruct->Length = (UINT32) StructSize;
+
+    /*
+     * Return the final size of the structure
+     */
+    *StructureSize = StructSize;
+    return_ACPI_STATUS (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiRsAddress32Stream
+ *
+ * PARAMETERS:  LinkedList              - Pointer to the resource linked list
+ *              OutputBuffer            - Pointer to the user's return buffer
+ *              BytesConsumed           - Pointer to where the number of bytes
+ *                                        used in the OutputBuffer is returned
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Take the linked list resource structure and fills in the
+ *              the appropriate bytes in a byte stream
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiRsAddress32Stream (
+    ACPI_RESOURCE           *LinkedList,
+    UINT8                   **OutputBuffer,
+    ACPI_SIZE               *BytesConsumed)
+{
+    UINT8                   *Buffer;
+    UINT16                  *LengthField;
+    UINT8                   Temp8;
+    NATIVE_CHAR             *TempPointer;
+
+
+    ACPI_FUNCTION_TRACE ("RsAddress32Stream");
+
+
+    Buffer = *OutputBuffer;
+
+    /*
+     * The descriptor field is static
+     */
+    *Buffer = 0x87;
+    Buffer += 1;
+
+    /*
+     * Set a pointer to the Length field - to be filled in later
+     */
+    LengthField = ACPI_CAST_PTR (UINT16, Buffer);
+    Buffer += 2;
+
+    /*
+     * Set the Resource Type (Memory, Io, BusNumber)
+     */
+    Temp8 = (UINT8) (LinkedList->Data.Address32.ResourceType & 0x03);
+
+    *Buffer = Temp8;
+    Buffer += 1;
+
+    /*
+     * Set the general flags
+     */
+    Temp8 = (UINT8) (LinkedList->Data.Address32.ProducerConsumer & 0x01);
+    Temp8 |= (LinkedList->Data.Address32.Decode & 0x01) << 1;
+    Temp8 |= (LinkedList->Data.Address32.MinAddressFixed & 0x01) << 2;
+    Temp8 |= (LinkedList->Data.Address32.MaxAddressFixed & 0x01) << 3;
+
+    *Buffer = Temp8;
+    Buffer += 1;
+
+    /*
+     * Set the type specific flags
+     */
+    Temp8 = 0;
+
+    if (ACPI_MEMORY_RANGE == LinkedList->Data.Address32.ResourceType)
+    {
+        Temp8 = (UINT8)
+            (LinkedList->Data.Address32.Attribute.Memory.ReadWriteAttribute &
+            0x01);
+
+        Temp8 |=
+            (LinkedList->Data.Address32.Attribute.Memory.CacheAttribute &
+             0x0F) << 1;
+    }
+    else if (ACPI_IO_RANGE == LinkedList->Data.Address32.ResourceType)
+    {
+        Temp8 = (UINT8)
+            (LinkedList->Data.Address32.Attribute.Io.RangeAttribute &
+             0x03);
+    }
+
+    *Buffer = Temp8;
+    Buffer += 1;
+
+    /*
+     * Set the address space granularity
+     */
+    ACPI_MOVE_UNALIGNED32_TO_32 (Buffer,
+                    &LinkedList->Data.Address32.Granularity);
+    Buffer += 4;
+
+    /*
+     * Set the address range minimum
+     */
+    ACPI_MOVE_UNALIGNED32_TO_32 (Buffer,
+                    &LinkedList->Data.Address32.MinAddressRange);
+    Buffer += 4;
+
+    /*
+     * Set the address range maximum
+     */
+    ACPI_MOVE_UNALIGNED32_TO_32 (Buffer,
+                    &LinkedList->Data.Address32.MaxAddressRange);
+    Buffer += 4;
+
+    /*
+     * Set the address translation offset
+     */
+    ACPI_MOVE_UNALIGNED32_TO_32 (Buffer,
+                    &LinkedList->Data.Address32.AddressTranslationOffset);
+    Buffer += 4;
+
+    /*
+     * Set the address length
+     */
+    ACPI_MOVE_UNALIGNED32_TO_32 (Buffer,
+                    &LinkedList->Data.Address32.AddressLength);
+    Buffer += 4;
+
+    /*
+     * Resource Source Index and Resource Source are optional
+     */
+    if (0 != LinkedList->Data.Address32.ResourceSource.StringLength)
+    {
+        Temp8 = (UINT8) LinkedList->Data.Address32.ResourceSource.Index;
+
+        *Buffer = Temp8;
+        Buffer += 1;
+
+        TempPointer = (NATIVE_CHAR *) Buffer;
+
+        /*
+         * Copy the string
+         */
+        ACPI_STRCPY (TempPointer,
+            LinkedList->Data.Address32.ResourceSource.StringPtr);
+
+        /*
+         * Buffer needs to be set to the length of the sting + one for the
+         *  terminating null
+         */
+        Buffer += (ACPI_STRLEN (LinkedList->Data.Address32.ResourceSource.StringPtr) + 1);
+    }
+
+    /*
+     * Return the number of bytes consumed in this operation
+     */
+    *BytesConsumed = ACPI_PTR_DIFF (Buffer, *OutputBuffer);
+
+    /*
+     * Set the length field to the number of bytes consumed
+     *  minus the header size (3 bytes)
+     */
+    *LengthField = (UINT16) (*BytesConsumed - 3);
+    return_ACPI_STATUS (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiRsAddress64Resource
+ *
+ * PARAMETERS:  ByteStreamBuffer        - Pointer to the resource input byte
+ *                                        stream
+ *              BytesConsumed           - Pointer to where the number of bytes
+ *                                        consumed the ByteStreamBuffer is
+ *                                        returned
+ *              OutputBuffer            - Pointer to the return data buffer
+ *              StructureSize           - Pointer to where the number of bytes
+ *                                        in the return data struct is returned
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Take the resource byte stream and fill out the appropriate
+ *              structure pointed to by the OutputBuffer.  Return the
+ *              number of bytes consumed from the byte stream.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiRsAddress64Resource (
+    UINT8                   *ByteStreamBuffer,
+    ACPI_SIZE               *BytesConsumed,
+    UINT8                   **OutputBuffer,
+    ACPI_SIZE               *StructureSize)
+{
+    UINT8                   *Buffer;
+    ACPI_RESOURCE           *OutputStruct = (void *) *OutputBuffer;
+    UINT16                  Temp16;
+    UINT8                   Temp8;
+    UINT8                   *TempPtr;
+    ACPI_SIZE               StructSize;
+    UINT32                  Index;
+
+
+    ACPI_FUNCTION_TRACE ("RsAddress64Resource");
+
+
+    Buffer = ByteStreamBuffer;
+    StructSize = ACPI_SIZEOF_RESOURCE (ACPI_RESOURCE_ADDRESS64);
+
+    /*
+     * Point past the Descriptor to get the number of bytes consumed
+     */
+    Buffer += 1;
+    ACPI_MOVE_UNALIGNED16_TO_16 (&Temp16, Buffer);
+
+    *BytesConsumed = Temp16 + 3;
+    OutputStruct->Id = ACPI_RSTYPE_ADDRESS64;
+
+    /*
+     * Get the Resource Type (Byte3)
+     */
+    Buffer += 2;
+    Temp8 = *Buffer;
+
+    /* Values 0-2 are valid */
+
+    if(Temp8 > 2)
+    {
+        return_ACPI_STATUS (AE_AML_INVALID_RESOURCE_TYPE);
+    }
+
+    OutputStruct->Data.Address64.ResourceType = Temp8 & 0x03;
+
+    /*
+     * Get the General Flags (Byte4)
+     */
+    Buffer += 1;
+    Temp8 = *Buffer;
+
+    /*
+     * Producer / Consumer
+     */
+    OutputStruct->Data.Address64.ProducerConsumer = Temp8 & 0x01;
+
+    /*
+     * Decode
+     */
+    OutputStruct->Data.Address64.Decode = (Temp8 >> 1) & 0x01;
+
+    /*
+     * Min Address Fixed
+     */
+    OutputStruct->Data.Address64.MinAddressFixed = (Temp8 >> 2) & 0x01;
+
+    /*
+     * Max Address Fixed
+     */
+    OutputStruct->Data.Address64.MaxAddressFixed = (Temp8 >> 3) & 0x01;
+
+    /*
+     * Get the Type Specific Flags (Byte5)
+     */
+    Buffer += 1;
+    Temp8 = *Buffer;
+
+    if (ACPI_MEMORY_RANGE == OutputStruct->Data.Address64.ResourceType)
+    {
+        OutputStruct->Data.Address64.Attribute.Memory.ReadWriteAttribute =
+                (UINT16) (Temp8 & 0x01);
+
+        OutputStruct->Data.Address64.Attribute.Memory.CacheAttribute =
+                (UINT16) ((Temp8 >> 1) & 0x0F);
+    }
+    else
+    {
+        if (ACPI_IO_RANGE == OutputStruct->Data.Address64.ResourceType)
+        {
+            OutputStruct->Data.Address64.Attribute.Io.RangeAttribute =
+                (UINT16) (Temp8 & 0x03);
+        }
+        else
+        {
+            /* BUS_NUMBER_RANGE == OutputStruct->Data.Address64.ResourceType */
+            /* Nothing needs to be filled in */
+        }
+    }
+
+    /*
+     * Get Granularity (Bytes 6-13)
+     */
+    Buffer += 1;
+    ACPI_MOVE_UNALIGNED64_TO_64 (&OutputStruct->Data.Address64.Granularity,
+                            Buffer);
+
+    /*
+     * Get MinAddressRange (Bytes 14-21)
+     */
+    Buffer += 8;
+    ACPI_MOVE_UNALIGNED64_TO_64 (&OutputStruct->Data.Address64.MinAddressRange,
+                            Buffer);
+
+    /*
+     * Get MaxAddressRange (Bytes 22-29)
+     */
+    Buffer += 8;
+    ACPI_MOVE_UNALIGNED64_TO_64 (&OutputStruct->Data.Address64.MaxAddressRange,
+                            Buffer);
+
+    /*
+     * Get AddressTranslationOffset (Bytes 30-37)
+     */
+    Buffer += 8;
+    ACPI_MOVE_UNALIGNED64_TO_64 (&OutputStruct->Data.Address64.AddressTranslationOffset,
+                            Buffer);
+
+    /*
+     * Get AddressLength (Bytes 38-45)
+     */
+    Buffer += 8;
+    ACPI_MOVE_UNALIGNED64_TO_64 (&OutputStruct->Data.Address64.AddressLength,
+                            Buffer);
+
+    /*
+     * Resource Source Index (if present)
+     */
+    Buffer += 8;
+
+    /*
+     * This will leave us pointing to the Resource Source Index
+     * If it is present, then save it off and calculate the
+     * pointer to where the null terminated string goes:
+     * Each Interrupt takes 32-bits + the 5 bytes of the
+     * stream that are default.
+     */
+    if (*BytesConsumed > 46)
+    {
+        /* Dereference the Index */
+
+        Temp8 = *Buffer;
+        OutputStruct->Data.Address64.ResourceSource.Index =
+                (UINT32) Temp8;
+
+        /* Point to the String */
+
+        Buffer += 1;
+
+        /* Point the String pointer to the end of this structure */
+
+        OutputStruct->Data.Address64.ResourceSource.StringPtr =
+                (NATIVE_CHAR *)((UINT8 *)OutputStruct + StructSize);
+
+        TempPtr = (UINT8 *) OutputStruct->Data.Address64.ResourceSource.StringPtr;
+
+        /* Copy the string into the buffer */
+
+        Index = 0;
+        while (0x00 != *Buffer)
+        {
+            *TempPtr = *Buffer;
+
+            TempPtr += 1;
+            Buffer += 1;
+            Index += 1;
+        }
+
+        /*
+         * Add the terminating null
+         */
+        *TempPtr = 0x00;
+
+        OutputStruct->Data.Address64.ResourceSource.StringLength = Index + 1;
+
+        /*
+         * In order for the StructSize to fall on a 32-bit boundary,
+         * calculate the length of the string and expand the
+         * StructSize to the next 32-bit boundary.
+         */
+        Temp8 = (UINT8) (Index + 1);
+        StructSize += ACPI_ROUND_UP_TO_32BITS (Temp8);
+    }
+    else
+    {
+        OutputStruct->Data.Address64.ResourceSource.Index = 0x00;
+        OutputStruct->Data.Address64.ResourceSource.StringLength = 0;
+        OutputStruct->Data.Address64.ResourceSource.StringPtr = NULL;
+    }
+
+    /*
+     * Set the Length parameter
+     */
+    OutputStruct->Length = (UINT32) StructSize;
+
+    /*
+     * Return the final size of the structure
+     */
+    *StructureSize = StructSize;
+    return_ACPI_STATUS (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiRsAddress64Stream
+ *
+ * PARAMETERS:  LinkedList              - Pointer to the resource linked list
+ *              OutputBuffer            - Pointer to the user's return buffer
+ *              BytesConsumed           - Pointer to where the number of bytes
+ *                                        used in the OutputBuffer is returned
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Take the linked list resource structure and fills in the
+ *              the appropriate bytes in a byte stream
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiRsAddress64Stream (
+    ACPI_RESOURCE           *LinkedList,
+    UINT8                   **OutputBuffer,
+    ACPI_SIZE               *BytesConsumed)
+{
+    UINT8                   *Buffer;
+    UINT16                  *LengthField;
+    UINT8                   Temp8;
+    NATIVE_CHAR             *TempPointer;
+
+
+    ACPI_FUNCTION_TRACE ("RsAddress64Stream");
+
+
+    Buffer = *OutputBuffer;
+
+    /*
+     * The descriptor field is static
+     */
+    *Buffer = 0x8A;
+    Buffer += 1;
+
+    /*
+     * Set a pointer to the Length field - to be filled in later
+     */
+
+    LengthField = ACPI_CAST_PTR (UINT16, Buffer);
+    Buffer += 2;
+
+    /*
+     * Set the Resource Type (Memory, Io, BusNumber)
+     */
+    Temp8 = (UINT8) (LinkedList->Data.Address64.ResourceType & 0x03);
+
+    *Buffer = Temp8;
+    Buffer += 1;
+
+    /*
+     * Set the general flags
+     */
+    Temp8 = (UINT8) (LinkedList->Data.Address64.ProducerConsumer & 0x01);
+    Temp8 |= (LinkedList->Data.Address64.Decode & 0x01) << 1;
+    Temp8 |= (LinkedList->Data.Address64.MinAddressFixed & 0x01) << 2;
+    Temp8 |= (LinkedList->Data.Address64.MaxAddressFixed & 0x01) << 3;
+
+    *Buffer = Temp8;
+    Buffer += 1;
+
+    /*
+     * Set the type specific flags
+     */
+    Temp8 = 0;
+
+    if (ACPI_MEMORY_RANGE == LinkedList->Data.Address64.ResourceType)
+    {
+        Temp8 = (UINT8)
+            (LinkedList->Data.Address64.Attribute.Memory.ReadWriteAttribute &
+            0x01);
+
+        Temp8 |=
+            (LinkedList->Data.Address64.Attribute.Memory.CacheAttribute &
+             0x0F) << 1;
+    }
+    else if (ACPI_IO_RANGE == LinkedList->Data.Address64.ResourceType)
+    {
+        Temp8 = (UINT8)
+            (LinkedList->Data.Address64.Attribute.Io.RangeAttribute &
+             0x03);
+    }
+
+    *Buffer = Temp8;
+    Buffer += 1;
+
+    /*
+     * Set the address space granularity
+     */
+    ACPI_MOVE_UNALIGNED64_TO_64 (Buffer,
+                        &LinkedList->Data.Address64.Granularity);
+    Buffer += 8;
+
+    /*
+     * Set the address range minimum
+     */
+    ACPI_MOVE_UNALIGNED64_TO_64 (Buffer,
+                        &LinkedList->Data.Address64.MinAddressRange);
+    Buffer += 8;
+
+    /*
+     * Set the address range maximum
+     */
+    ACPI_MOVE_UNALIGNED64_TO_64 (Buffer,
+                        &LinkedList->Data.Address64.MaxAddressRange);
+    Buffer += 8;
+
+    /*
+     * Set the address translation offset
+     */
+    ACPI_MOVE_UNALIGNED64_TO_64 (Buffer,
+                        &LinkedList->Data.Address64.AddressTranslationOffset);
+    Buffer += 8;
+
+    /*
+     * Set the address length
+     */
+    ACPI_MOVE_UNALIGNED64_TO_64 (Buffer,
+                        &LinkedList->Data.Address64.AddressLength);
+    Buffer += 8;
+
+    /*
+     * Resource Source Index and Resource Source are optional
+     */
+    if (0 != LinkedList->Data.Address64.ResourceSource.StringLength)
+    {
+        Temp8 = (UINT8) LinkedList->Data.Address64.ResourceSource.Index;
+
+        *Buffer = Temp8;
+        Buffer += 1;
+
+        TempPointer = (NATIVE_CHAR *) Buffer;
+
+        /*
+         * Copy the string
+         */
+        ACPI_STRCPY (TempPointer, LinkedList->Data.Address64.ResourceSource.StringPtr);
+
+        /*
+         * Buffer needs to be set to the length of the sting + one for the
+         *  terminating null
+         */
+        Buffer += (ACPI_STRLEN (LinkedList->Data.Address64.ResourceSource.StringPtr) + 1);
+    }
+
+    /*
+     * Return the number of bytes consumed in this operation
+     */
+    *BytesConsumed = ACPI_PTR_DIFF (Buffer, *OutputBuffer);
+
+    /*
+     * Set the length field to the number of bytes consumed
+     * minus the header size (3 bytes)
+     */
+    *LengthField = (UINT16) (*BytesConsumed - 3);
+    return_ACPI_STATUS (AE_OK);
+}
+
diff --git a/sys/contrib/dev/acpica/rscalc.c b/sys/contrib/dev/acpica/rscalc.c
new file mode 100644
index 0000000..b125ee5
--- /dev/null
+++ b/sys/contrib/dev/acpica/rscalc.c
@@ -0,0 +1,953 @@
+/*******************************************************************************
+ *
+ * Module Name: rscalc - Calculate stream and list lengths
+ *              $Revision: 44 $
+ *
+ ******************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+#define __RSCALC_C__
+
+#include "acpi.h"
+#include "acresrc.h"
+#include "amlcode.h"
+#include "acnamesp.h"
+
+#define _COMPONENT          ACPI_RESOURCES
+        ACPI_MODULE_NAME    ("rscalc")
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiRsGetByteStreamLength
+ *
+ * PARAMETERS:  LinkedList          - Pointer to the resource linked list
+ *              SizeNeeded          - UINT32 pointer of the size buffer needed
+ *                                    to properly return the parsed data
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Takes the resource byte stream and parses it once, calculating
+ *              the size buffer needed to hold the linked list that conveys
+ *              the resource data.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiRsGetByteStreamLength (
+    ACPI_RESOURCE           *LinkedList,
+    ACPI_SIZE               *SizeNeeded)
+{
+    ACPI_SIZE               ByteStreamSizeNeeded = 0;
+    ACPI_SIZE               SegmentSize;
+    ACPI_RESOURCE_EXT_IRQ   *ExIrq = NULL;
+    BOOLEAN                 Done = FALSE;
+
+
+    ACPI_FUNCTION_TRACE ("RsGetByteStreamLength");
+
+
+    while (!Done)
+    {
+        /*
+         * Init the variable that will hold the size to add to the total.
+         */
+        SegmentSize = 0;
+
+        switch (LinkedList->Id)
+        {
+        case ACPI_RSTYPE_IRQ:
+            /*
+             * IRQ Resource
+             * For an IRQ Resource, Byte 3, although optional, will
+             * always be created - it holds IRQ information.
+             */
+            SegmentSize = 4;
+            break;
+
+        case ACPI_RSTYPE_DMA:
+            /*
+             * DMA Resource
+             * For this resource the size is static
+             */
+            SegmentSize = 3;
+            break;
+
+        case ACPI_RSTYPE_START_DPF:
+            /*
+             * Start Dependent Functions Resource
+             * For a StartDependentFunctions Resource, Byte 1,
+             * although optional, will always be created.
+             */
+            SegmentSize = 2;
+            break;
+
+        case ACPI_RSTYPE_END_DPF:
+            /*
+             * End Dependent Functions Resource
+             * For this resource the size is static
+             */
+            SegmentSize = 1;
+            break;
+
+        case ACPI_RSTYPE_IO:
+            /*
+             * IO Port Resource
+             * For this resource the size is static
+             */
+            SegmentSize = 8;
+            break;
+
+        case ACPI_RSTYPE_FIXED_IO:
+            /*
+             * Fixed IO Port Resource
+             * For this resource the size is static
+             */
+            SegmentSize = 4;
+            break;
+
+        case ACPI_RSTYPE_VENDOR:
+            /*
+             * Vendor Defined Resource
+             * For a Vendor Specific resource, if the Length is
+             * between 1 and 7 it will be created as a Small
+             * Resource data type, otherwise it is a Large
+             * Resource data type.
+             */
+            if (LinkedList->Data.VendorSpecific.Length > 7)
+            {
+                SegmentSize = 3;
+            }
+            else
+            {
+                SegmentSize = 1;
+            }
+            SegmentSize += LinkedList->Data.VendorSpecific.Length;
+            break;
+
+        case ACPI_RSTYPE_END_TAG:
+            /*
+             * End Tag
+             * For this resource the size is static
+             */
+            SegmentSize = 2;
+            Done = TRUE;
+            break;
+
+        case ACPI_RSTYPE_MEM24:
+            /*
+             * 24-Bit Memory Resource
+             * For this resource the size is static
+             */
+            SegmentSize = 12;
+            break;
+
+        case ACPI_RSTYPE_MEM32:
+            /*
+             * 32-Bit Memory Range Resource
+             * For this resource the size is static
+             */
+            SegmentSize = 20;
+            break;
+
+        case ACPI_RSTYPE_FIXED_MEM32:
+            /*
+             * 32-Bit Fixed Memory Resource
+             * For this resource the size is static
+             */
+            SegmentSize = 12;
+            break;
+
+        case ACPI_RSTYPE_ADDRESS16:
+            /*
+             * 16-Bit Address Resource
+             * The base size of this byte stream is 16. If a
+             * Resource Source string is not NULL, add 1 for
+             * the Index + the length of the null terminated
+             * string Resource Source + 1 for the null.
+             */
+            SegmentSize = 16;
+
+            if (LinkedList->Data.Address16.ResourceSource.StringPtr)
+            {
+                SegmentSize += LinkedList->Data.Address16.ResourceSource.StringLength;
+                SegmentSize++;
+            }
+            break;
+
+        case ACPI_RSTYPE_ADDRESS32:
+            /*
+             * 32-Bit Address Resource
+             * The base size of this byte stream is 26. If a Resource
+             * Source string is not NULL, add 1 for the Index + the
+             * length of the null terminated string Resource Source +
+             * 1 for the null.
+             */
+            SegmentSize = 26;
+
+            if (LinkedList->Data.Address32.ResourceSource.StringPtr)
+            {
+                SegmentSize += LinkedList->Data.Address32.ResourceSource.StringLength;
+                SegmentSize++;
+            }
+            break;
+
+        case ACPI_RSTYPE_ADDRESS64:
+            /*
+             * 64-Bit Address Resource
+             * The base size of this byte stream is 46. If a Resource
+             * Source string is not NULL, add 1 for the Index + the
+             * length of the null terminated string Resource Source +
+             * 1 for the null.
+             */
+            SegmentSize = 46;
+
+            if (LinkedList->Data.Address64.ResourceSource.StringPtr)
+            {
+                SegmentSize += LinkedList->Data.Address64.ResourceSource.StringLength;
+                SegmentSize++;
+            }
+            break;
+
+        case ACPI_RSTYPE_EXT_IRQ:
+            /*
+             * Extended IRQ Resource
+             * The base size of this byte stream is 9. This is for an
+             * Interrupt table length of 1.  For each additional
+             * interrupt, add 4.
+             * If a Resource Source string is not NULL, add 1 for the
+             * Index + the length of the null terminated string
+             * Resource Source + 1 for the null.
+             */
+            SegmentSize = 9 +
+                (((ACPI_SIZE) LinkedList->Data.ExtendedIrq.NumberOfInterrupts - 1) * 4);
+
+            if (ExIrq && ExIrq->ResourceSource.StringPtr)
+            {
+                SegmentSize += LinkedList->Data.ExtendedIrq.ResourceSource.StringLength;
+                SegmentSize++;
+            }
+            break;
+
+        default:
+            /*
+             * If we get here, everything is out of sync,
+             * so exit with an error
+             */
+            return_ACPI_STATUS (AE_AML_INVALID_RESOURCE_TYPE);
+
+        } /* switch (LinkedList->Id) */
+
+        /*
+         * Update the total
+         */
+        ByteStreamSizeNeeded += SegmentSize;
+
+        /*
+         * Point to the next object
+         */
+        LinkedList = ACPI_PTR_ADD (ACPI_RESOURCE,
+                        LinkedList, LinkedList->Length);
+    }
+
+    /*
+     * This is the data the caller needs
+     */
+    *SizeNeeded = ByteStreamSizeNeeded;
+    return_ACPI_STATUS (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiRsGetListLength
+ *
+ * PARAMETERS:  ByteStreamBuffer        - Pointer to the resource byte stream
+ *              ByteStreamBufferLength  - Size of ByteStreamBuffer
+ *              SizeNeeded              - UINT32 pointer of the size buffer
+ *                                        needed to properly return the
+ *                                        parsed data
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Takes the resource byte stream and parses it once, calculating
+ *              the size buffer needed to hold the linked list that conveys
+ *              the resource data.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiRsGetListLength (
+    UINT8                   *ByteStreamBuffer,
+    UINT32                  ByteStreamBufferLength,
+    ACPI_SIZE               *SizeNeeded)
+{
+    UINT32                  BufferSize = 0;
+    UINT32                  BytesParsed = 0;
+    UINT8                   NumberOfInterrupts = 0;
+    UINT8                   NumberOfChannels = 0;
+    UINT8                   ResourceType;
+    UINT32                  StructureSize;
+    UINT32                  BytesConsumed;
+    UINT8                   *Buffer;
+    UINT8                   Temp8;
+    UINT16                  Temp16;
+    UINT8                   Index;
+    UINT8                   AdditionalBytes;
+
+
+    ACPI_FUNCTION_TRACE ("RsGetListLength");
+
+
+    while (BytesParsed < ByteStreamBufferLength)
+    {
+        /*
+         * The next byte in the stream is the resource type
+         */
+        ResourceType = AcpiRsGetResourceType (*ByteStreamBuffer);
+
+        switch (ResourceType)
+        {
+        case ACPI_RDESC_TYPE_MEMORY_24:
+            /*
+             * 24-Bit Memory Resource
+             */
+            BytesConsumed = 12;
+
+            StructureSize = ACPI_SIZEOF_RESOURCE (ACPI_RESOURCE_MEM24);
+            break;
+
+
+        case ACPI_RDESC_TYPE_LARGE_VENDOR:
+            /*
+             * Vendor Defined Resource
+             */
+            Buffer = ByteStreamBuffer;
+            ++Buffer;
+
+            ACPI_MOVE_UNALIGNED16_TO_16 (&Temp16, Buffer);
+            BytesConsumed = Temp16 + 3;
+
+            /*
+             * Ensure a 32-bit boundary for the structure
+             */
+            Temp16 = (UINT16) ACPI_ROUND_UP_TO_32BITS (Temp16);
+
+            StructureSize = ACPI_SIZEOF_RESOURCE (ACPI_RESOURCE_VENDOR) +
+                                (Temp16 * sizeof (UINT8));
+            break;
+
+
+        case ACPI_RDESC_TYPE_MEMORY_32:
+            /*
+             * 32-Bit Memory Range Resource
+             */
+
+            BytesConsumed = 20;
+
+            StructureSize = ACPI_SIZEOF_RESOURCE (ACPI_RESOURCE_MEM32);
+            break;
+
+
+        case ACPI_RDESC_TYPE_FIXED_MEMORY_32:
+            /*
+             * 32-Bit Fixed Memory Resource
+             */
+            BytesConsumed = 12;
+
+            StructureSize = ACPI_SIZEOF_RESOURCE (ACPI_RESOURCE_FIXED_MEM32);
+            break;
+
+
+        case ACPI_RDESC_TYPE_QWORD_ADDRESS_SPACE:
+            /*
+             * 64-Bit Address Resource
+             */
+            Buffer = ByteStreamBuffer;
+
+            ++Buffer;
+            ACPI_MOVE_UNALIGNED16_TO_16 (&Temp16, Buffer);
+
+            BytesConsumed = Temp16 + 3;
+
+            /*
+             * Resource Source Index and Resource Source are
+             * optional elements.  Check the length of the
+             * Bytestream.  If it is greater than 43, that
+             * means that an Index exists and is followed by
+             * a null termininated string.  Therefore, set
+             * the temp variable to the length minus the minimum
+             * byte stream length plus the byte for the Index to
+             * determine the size of the NULL terminiated string.
+             */
+            if (43 < Temp16)
+            {
+                Temp8 = (UINT8) (Temp16 - 44);
+            }
+            else
+            {
+                Temp8 = 0;
+            }
+
+            /*
+             * Ensure a 64-bit boundary for the structure
+             */
+            Temp8 = (UINT8) ACPI_ROUND_UP_TO_64BITS (Temp8);
+
+            StructureSize = ACPI_SIZEOF_RESOURCE (ACPI_RESOURCE_ADDRESS64) +
+                                (Temp8 * sizeof (UINT8));
+            break;
+
+
+        case ACPI_RDESC_TYPE_DWORD_ADDRESS_SPACE:
+            /*
+             * 32-Bit Address Resource
+             */
+            Buffer = ByteStreamBuffer;
+
+            ++Buffer;
+            ACPI_MOVE_UNALIGNED16_TO_16 (&Temp16, Buffer);
+
+            BytesConsumed = Temp16 + 3;
+
+            /*
+             * Resource Source Index and Resource Source are
+             * optional elements.  Check the length of the
+             * Bytestream.  If it is greater than 23, that
+             * means that an Index exists and is followed by
+             * a null termininated string.  Therefore, set
+             * the temp variable to the length minus the minimum
+             * byte stream length plus the byte for the Index to
+             * determine the size of the NULL terminiated string.
+             */
+            if (23 < Temp16)
+            {
+                Temp8 = (UINT8) (Temp16 - 24);
+            }
+            else
+            {
+                Temp8 = 0;
+            }
+
+            /*
+             * Ensure a 32-bit boundary for the structure
+             */
+            Temp8 = (UINT8) ACPI_ROUND_UP_TO_32BITS (Temp8);
+
+            StructureSize = ACPI_SIZEOF_RESOURCE (ACPI_RESOURCE_ADDRESS32) +
+                                (Temp8 * sizeof (UINT8));
+            break;
+
+
+        case ACPI_RDESC_TYPE_WORD_ADDRESS_SPACE:
+            /*
+             * 16-Bit Address Resource
+             */
+            Buffer = ByteStreamBuffer;
+
+            ++Buffer;
+            ACPI_MOVE_UNALIGNED16_TO_16 (&Temp16, Buffer);
+
+            BytesConsumed = Temp16 + 3;
+
+            /*
+             * Resource Source Index and Resource Source are
+             * optional elements.  Check the length of the
+             * Bytestream.  If it is greater than 13, that
+             * means that an Index exists and is followed by
+             * a null termininated string.  Therefore, set
+             * the temp variable to the length minus the minimum
+             * byte stream length plus the byte for the Index to
+             * determine the size of the NULL terminiated string.
+             */
+            if (13 < Temp16)
+            {
+                Temp8 = (UINT8) (Temp16 - 14);
+            }
+            else
+            {
+                Temp8 = 0;
+            }
+
+            /*
+             * Ensure a 32-bit boundary for the structure
+             */
+            Temp8 = (UINT8) ACPI_ROUND_UP_TO_32BITS (Temp8);
+
+            StructureSize = ACPI_SIZEOF_RESOURCE (ACPI_RESOURCE_ADDRESS16) +
+                                (Temp8 * sizeof (UINT8));
+            break;
+
+
+        case ACPI_RDESC_TYPE_EXTENDED_XRUPT:
+            /*
+             * Extended IRQ
+             */
+            Buffer = ByteStreamBuffer;
+
+            ++Buffer;
+            ACPI_MOVE_UNALIGNED16_TO_16 (&Temp16, Buffer);
+
+            BytesConsumed = Temp16 + 3;
+
+            /*
+             * Point past the length field and the
+             * Interrupt vector flags to save off the
+             * Interrupt table length to the Temp8 variable.
+             */
+            Buffer += 3;
+            Temp8 = *Buffer;
+
+            /*
+             * To compensate for multiple interrupt numbers, add 4 bytes for
+             * each additional interrupts greater than 1
+             */
+            AdditionalBytes = (UINT8) ((Temp8 - 1) * 4);
+
+            /*
+             * Resource Source Index and Resource Source are
+             * optional elements.  Check the length of the
+             * Bytestream.  If it is greater than 9, that
+             * means that an Index exists and is followed by
+             * a null termininated string.  Therefore, set
+             * the temp variable to the length minus the minimum
+             * byte stream length plus the byte for the Index to
+             * determine the size of the NULL terminiated string.
+             */
+            if (9 + AdditionalBytes < Temp16)
+            {
+                Temp8 = (UINT8) (Temp16 - (9 + AdditionalBytes));
+            }
+            else
+            {
+                Temp8 = 0;
+            }
+
+            /*
+             * Ensure a 32-bit boundary for the structure
+             */
+            Temp8 = (UINT8) ACPI_ROUND_UP_TO_32BITS (Temp8);
+
+            StructureSize = ACPI_SIZEOF_RESOURCE (ACPI_RESOURCE_EXT_IRQ) +
+                                (AdditionalBytes * sizeof (UINT8)) +
+                                (Temp8 * sizeof (UINT8));
+            break;
+
+
+        case ACPI_RDESC_TYPE_IRQ_FORMAT:
+            /*
+             * IRQ Resource.
+             * Determine if it there are two or three trailing bytes
+             */
+            Buffer = ByteStreamBuffer;
+            Temp8 = *Buffer;
+
+            if(Temp8 & 0x01)
+            {
+                BytesConsumed = 4;
+            }
+            else
+            {
+                BytesConsumed = 3;
+            }
+
+            /*
+             * Point past the descriptor
+             */
+            ++Buffer;
+
+            /*
+             * Look at the number of bits set
+             */
+            ACPI_MOVE_UNALIGNED16_TO_16 (&Temp16, Buffer);
+
+            for (Index = 0; Index < 16; Index++)
+            {
+                if (Temp16 & 0x1)
+                {
+                    ++NumberOfInterrupts;
+                }
+
+                Temp16 >>= 1;
+            }
+
+            StructureSize = ACPI_SIZEOF_RESOURCE (ACPI_RESOURCE_IO) +
+                                (NumberOfInterrupts * sizeof (UINT32));
+            break;
+
+
+        case ACPI_RDESC_TYPE_DMA_FORMAT:
+            /*
+             * DMA Resource
+             */
+            Buffer = ByteStreamBuffer;
+            BytesConsumed = 3;
+
+            /*
+             * Point past the descriptor
+             */
+            ++Buffer;
+
+            /*
+             * Look at the number of bits set
+             */
+            Temp8 = *Buffer;
+
+            for(Index = 0; Index < 8; Index++)
+            {
+                if(Temp8 & 0x1)
+                {
+                    ++NumberOfChannels;
+                }
+
+                Temp8 >>= 1;
+            }
+
+            StructureSize = ACPI_SIZEOF_RESOURCE (ACPI_RESOURCE_DMA) +
+                                (NumberOfChannels * sizeof (UINT32));
+            break;
+
+
+        case ACPI_RDESC_TYPE_START_DEPENDENT:
+            /*
+             * Start Dependent Functions Resource
+             * Determine if it there are two or three trailing bytes
+             */
+            Buffer = ByteStreamBuffer;
+            Temp8 = *Buffer;
+
+            if(Temp8 & 0x01)
+            {
+                BytesConsumed = 2;
+            }
+            else
+            {
+                BytesConsumed = 1;
+            }
+
+            StructureSize = ACPI_SIZEOF_RESOURCE (ACPI_RESOURCE_START_DPF);
+            break;
+
+
+        case ACPI_RDESC_TYPE_END_DEPENDENT:
+            /*
+             * End Dependent Functions Resource
+             */
+            BytesConsumed = 1;
+            StructureSize = ACPI_RESOURCE_LENGTH;
+            break;
+
+
+        case ACPI_RDESC_TYPE_IO_PORT:
+            /*
+             * IO Port Resource
+             */
+            BytesConsumed = 8;
+            StructureSize = ACPI_SIZEOF_RESOURCE (ACPI_RESOURCE_IO);
+            break;
+
+
+        case ACPI_RDESC_TYPE_FIXED_IO_PORT:
+            /*
+             * Fixed IO Port Resource
+             */
+            BytesConsumed = 4;
+            StructureSize = ACPI_SIZEOF_RESOURCE (ACPI_RESOURCE_FIXED_IO);
+            break;
+
+
+        case ACPI_RDESC_TYPE_SMALL_VENDOR:
+            /*
+             * Vendor Specific Resource
+             */
+            Buffer = ByteStreamBuffer;
+
+            Temp8 = *Buffer;
+            Temp8 = (UINT8) (Temp8 & 0x7);
+            BytesConsumed = Temp8 + 1;
+
+            /*
+             * Ensure a 32-bit boundary for the structure
+             */
+            Temp8 = (UINT8) ACPI_ROUND_UP_TO_32BITS (Temp8);
+            StructureSize = ACPI_SIZEOF_RESOURCE (ACPI_RESOURCE_VENDOR) +
+                                (Temp8 * sizeof (UINT8));
+            break;
+
+
+        case ACPI_RDESC_TYPE_END_TAG:
+            /*
+             * End Tag
+             */
+            BytesConsumed = 2;
+            StructureSize = ACPI_RESOURCE_LENGTH;
+            ByteStreamBufferLength = BytesParsed;
+            break;
+
+
+        default:
+            /*
+             * If we get here, everything is out of sync,
+             *  so exit with an error
+             */
+            return_ACPI_STATUS (AE_AML_INVALID_RESOURCE_TYPE);
+        }
+
+        /*
+         * Update the return value and counter
+         */
+        BufferSize += ACPI_ALIGN_RESOURCE_SIZE(StructureSize);
+        BytesParsed += BytesConsumed;
+
+        /*
+         * Set the byte stream to point to the next resource
+         */
+        ByteStreamBuffer += BytesConsumed;
+    }
+
+    /*
+     * This is the data the caller needs
+     */
+    *SizeNeeded = BufferSize;
+    return_ACPI_STATUS (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiRsGetPciRoutingTableLength
+ *
+ * PARAMETERS:  PackageObject           - Pointer to the package object
+ *              BufferSizeNeeded        - UINT32 pointer of the size buffer
+ *                                        needed to properly return the
+ *                                        parsed data
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Given a package representing a PCI routing table, this
+ *              calculates the size of the corresponding linked list of
+ *              descriptions.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiRsGetPciRoutingTableLength (
+    ACPI_OPERAND_OBJECT     *PackageObject,
+    ACPI_SIZE               *BufferSizeNeeded)
+{
+    UINT32                  NumberOfElements;
+    ACPI_SIZE               TempSizeNeeded = 0;
+    ACPI_OPERAND_OBJECT     **TopObjectList;
+    UINT32                  Index;
+    ACPI_OPERAND_OBJECT     *PackageElement;
+    ACPI_OPERAND_OBJECT     **SubObjectList;
+    BOOLEAN                 NameFound;
+    UINT32                  TableIndex;
+
+
+    ACPI_FUNCTION_TRACE ("RsGetPciRoutingTableLength");
+
+
+    NumberOfElements = PackageObject->Package.Count;
+
+    /*
+     * Calculate the size of the return buffer.
+     * The base size is the number of elements * the sizes of the
+     * structures.  Additional space for the strings is added below.
+     * The minus one is to subtract the size of the UINT8 Source[1]
+     * member because it is added below.
+     *
+     * But each PRT_ENTRY structure has a pointer to a string and
+     * the size of that string must be found.
+     */
+    TopObjectList = PackageObject->Package.Elements;
+
+    for (Index = 0; Index < NumberOfElements; Index++)
+    {
+        /*
+         * Dereference the sub-package
+         */
+        PackageElement = *TopObjectList;
+
+        /*
+         * The SubObjectList will now point to an array of the
+         * four IRQ elements: Address, Pin, Source and SourceIndex
+         */
+        SubObjectList = PackageElement->Package.Elements;
+
+        /*
+         * Scan the IrqTableElements for the Source Name String
+         */
+        NameFound = FALSE;
+
+        for (TableIndex = 0; TableIndex < 4 && !NameFound; TableIndex++)
+        {
+            if ((ACPI_TYPE_STRING == ACPI_GET_OBJECT_TYPE (*SubObjectList)) ||
+                ((ACPI_TYPE_LOCAL_REFERENCE == ACPI_GET_OBJECT_TYPE (*SubObjectList)) &&
+                    ((*SubObjectList)->Reference.Opcode == AML_INT_NAMEPATH_OP)))
+            {
+                NameFound = TRUE;
+            }
+            else
+            {
+                /*
+                 * Look at the next element
+                 */
+                SubObjectList++;
+            }
+        }
+
+        TempSizeNeeded += (sizeof (ACPI_PCI_ROUTING_TABLE) - 4);
+
+        /*
+         * Was a String type found?
+         */
+        if (NameFound)
+        {
+            if (ACPI_GET_OBJECT_TYPE (*SubObjectList) == ACPI_TYPE_STRING)
+            {
+                /*
+                 * The length String.Length field includes the
+                 * terminating NULL
+                 */
+                TempSizeNeeded += (*SubObjectList)->String.Length;
+            }
+            else
+            {
+                TempSizeNeeded += AcpiNsGetPathnameLength (
+                                    (*SubObjectList)->Reference.Node);
+            }
+        }
+        else
+        {
+            /*
+             * If no name was found, then this is a NULL, which is
+             * translated as a UINT32 zero.
+             */
+            TempSizeNeeded += sizeof (UINT32);
+        }
+
+        /* Round up the size since each element must be aligned */
+
+        TempSizeNeeded = ACPI_ROUND_UP_TO_64BITS (TempSizeNeeded);
+
+        /*
+         * Point to the next ACPI_OPERAND_OBJECT
+         */
+        TopObjectList++;
+    }
+
+    /*
+     * Adding an extra element to the end of the list, essentially a NULL terminator
+     */
+    *BufferSizeNeeded = TempSizeNeeded + sizeof (ACPI_PCI_ROUTING_TABLE);
+    return_ACPI_STATUS (AE_OK);
+}
diff --git a/sys/contrib/dev/acpica/rscreate.c b/sys/contrib/dev/acpica/rscreate.c
new file mode 100644
index 0000000..2235550
--- /dev/null
+++ b/sys/contrib/dev/acpica/rscreate.c
@@ -0,0 +1,522 @@
+/*******************************************************************************
+ *
+ * Module Name: rscreate - Create resource lists/tables
+ *              $Revision: 61 $
+ *
+ ******************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+
+#define __RSCREATE_C__
+
+#include "acpi.h"
+#include "acresrc.h"
+#include "amlcode.h"
+#include "acnamesp.h"
+
+#define _COMPONENT          ACPI_RESOURCES
+        ACPI_MODULE_NAME    ("rscreate")
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiRsCreateResourceList
+ *
+ * PARAMETERS:  ByteStreamBuffer        - Pointer to the resource byte stream
+ *              OutputBuffer            - Pointer to the user's buffer
+ *
+ * RETURN:      Status  - AE_OK if okay, else a valid ACPI_STATUS code
+ *              If OutputBuffer is not large enough, OutputBufferLength
+ *              indicates how large OutputBuffer should be, else it
+ *              indicates how may UINT8 elements of OutputBuffer are valid.
+ *
+ * DESCRIPTION: Takes the byte stream returned from a _CRS, _PRS control method
+ *              execution and parses the stream to create a linked list
+ *              of device resources.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiRsCreateResourceList (
+    ACPI_OPERAND_OBJECT     *ByteStreamBuffer,
+    ACPI_BUFFER             *OutputBuffer)
+{
+
+    ACPI_STATUS             Status;
+    UINT8                   *ByteStreamStart;
+    ACPI_SIZE               ListSizeNeeded = 0;
+    UINT32                  ByteStreamBufferLength;
+
+
+    ACPI_FUNCTION_TRACE ("RsCreateResourceList");
+
+
+    ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "ByteStreamBuffer = %p\n", 
+        ByteStreamBuffer));
+
+    /*
+     * Params already validated, so we don't re-validate here
+     */
+    ByteStreamBufferLength = ByteStreamBuffer->Buffer.Length;
+    ByteStreamStart = ByteStreamBuffer->Buffer.Pointer;
+
+    /*
+     * Pass the ByteStreamBuffer into a module that can calculate
+     * the buffer size needed for the linked list
+     */
+    Status = AcpiRsGetListLength (ByteStreamStart, ByteStreamBufferLength,
+                &ListSizeNeeded);
+
+    ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Status=%X ListSizeNeeded=%X\n",
+        Status, (UINT32) ListSizeNeeded));
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    /* Validate/Allocate/Clear caller buffer */
+
+    Status = AcpiUtInitializeBuffer (OutputBuffer, ListSizeNeeded);
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    /* Do the conversion */
+
+    Status = AcpiRsByteStreamToList (ByteStreamStart, ByteStreamBufferLength,
+                    OutputBuffer->Pointer);
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "OutputBuffer %p Length %X\n",
+            OutputBuffer->Pointer, (UINT32) OutputBuffer->Length));
+    return_ACPI_STATUS (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiRsCreatePciRoutingTable
+ *
+ * PARAMETERS:  PackageObject           - Pointer to an ACPI_OPERAND_OBJECT
+ *                                        package
+ *              OutputBuffer            - Pointer to the user's buffer
+ *
+ * RETURN:      Status  AE_OK if okay, else a valid ACPI_STATUS code.
+ *              If the OutputBuffer is too small, the error will be
+ *              AE_BUFFER_OVERFLOW and OutputBuffer->Length will point
+ *              to the size buffer needed.
+ *
+ * DESCRIPTION: Takes the ACPI_OPERAND_OBJECT  package and creates a
+ *              linked list of PCI interrupt descriptions
+ *
+ * NOTE: It is the caller's responsibility to ensure that the start of the
+ * output buffer is aligned properly (if necessary).
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiRsCreatePciRoutingTable (
+    ACPI_OPERAND_OBJECT     *PackageObject,
+    ACPI_BUFFER             *OutputBuffer)
+{
+    UINT8                   *Buffer;
+    ACPI_OPERAND_OBJECT     **TopObjectList;
+    ACPI_OPERAND_OBJECT     **SubObjectList;
+    ACPI_OPERAND_OBJECT     *ObjDesc;
+    ACPI_SIZE               BufferSizeNeeded = 0;
+    UINT32                  NumberOfElements;
+    UINT32                  Index;
+    ACPI_PCI_ROUTING_TABLE  *UserPrt;
+    ACPI_NAMESPACE_NODE     *Node;
+    ACPI_STATUS             Status;
+    ACPI_BUFFER             PathBuffer;
+
+
+    ACPI_FUNCTION_TRACE ("RsCreatePciRoutingTable");
+
+
+    /* Params already validated, so we don't re-validate here */
+
+    /*
+     * Get the required buffer length
+     */
+    Status = AcpiRsGetPciRoutingTableLength (PackageObject,
+                &BufferSizeNeeded);
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "BufferSizeNeeded = %X\n", 
+        (UINT32) BufferSizeNeeded));
+
+    /* Validate/Allocate/Clear caller buffer */
+
+    Status = AcpiUtInitializeBuffer (OutputBuffer, BufferSizeNeeded);
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    /*
+     * Loop through the ACPI_INTERNAL_OBJECTS - Each object 
+     * should be a package that in turn contains an
+     * ACPI_INTEGER Address, a UINT8 Pin, a Name and a UINT8 SourceIndex.
+     */
+    TopObjectList    = PackageObject->Package.Elements;
+    NumberOfElements = PackageObject->Package.Count;
+    Buffer           = OutputBuffer->Pointer;
+    UserPrt          = ACPI_CAST_PTR (ACPI_PCI_ROUTING_TABLE, Buffer);
+
+    for (Index = 0; Index < NumberOfElements; Index++)
+    {
+        /*
+         * Point UserPrt past this current structure
+         *
+         * NOTE: On the first iteration, UserPrt->Length will
+         * be zero because we cleared the return buffer earlier
+         */
+        Buffer += UserPrt->Length;
+        UserPrt = ACPI_CAST_PTR (ACPI_PCI_ROUTING_TABLE, Buffer);
+
+        /*
+         * Fill in the Length field with the information we have at this point.
+         * The minus four is to subtract the size of the UINT8 Source[4] member
+         * because it is added below.
+         */
+        UserPrt->Length = (sizeof (ACPI_PCI_ROUTING_TABLE) - 4);
+
+        /*
+         * Each element of the top-level package must also be a package
+         */
+        if (ACPI_GET_OBJECT_TYPE (*TopObjectList) != ACPI_TYPE_PACKAGE)
+        {
+            ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, 
+                "(PRT[%X]) Need sub-package, found %s\n",
+                Index, AcpiUtGetObjectTypeName (*TopObjectList)));
+            return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
+        }
+
+        /* Each sub-package must be of length 4 */
+
+        if ((*TopObjectList)->Package.Count != 4)
+        {
+            ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, 
+                "(PRT[%X]) Need package of length 4, found length %d\n",
+                Index, (*TopObjectList)->Package.Count));
+            return_ACPI_STATUS (AE_AML_PACKAGE_LIMIT);
+        }
+
+        /*
+         * Dereference the sub-package.
+         * The SubObjectList will now point to an array of the four IRQ
+         * elements: [Address, Pin, Source, SourceIndex]
+         */
+        SubObjectList = (*TopObjectList)->Package.Elements;
+
+        /*
+         * 1) First subobject: Dereference the PRT.Address
+         */
+        ObjDesc = SubObjectList[0];
+        if (ACPI_GET_OBJECT_TYPE (ObjDesc) == ACPI_TYPE_INTEGER)
+        {
+            UserPrt->Address = ObjDesc->Integer.Value;
+        }
+        else
+        {
+            ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, 
+                "(PRT[%X].Address) Need Integer, found %s\n",
+                Index, AcpiUtGetObjectTypeName (ObjDesc)));
+            return_ACPI_STATUS (AE_BAD_DATA);
+        }
+
+        /*
+         * 2) Second subobject: Dereference the PRT.Pin
+         */
+        ObjDesc = SubObjectList[1];
+        if (ACPI_GET_OBJECT_TYPE (ObjDesc) == ACPI_TYPE_INTEGER)
+        {
+            UserPrt->Pin = (UINT32) ObjDesc->Integer.Value;
+        }
+        else
+        {
+            ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, 
+                "(PRT[%X].Pin) Need Integer, found %s\n",
+                Index, AcpiUtGetObjectTypeName (ObjDesc)));
+            return_ACPI_STATUS (AE_BAD_DATA);
+        }
+
+        /*
+         * 3) Third subobject: Dereference the PRT.SourceName
+         */
+        ObjDesc = SubObjectList[2];
+        switch (ACPI_GET_OBJECT_TYPE (ObjDesc))
+        {
+        case ACPI_TYPE_LOCAL_REFERENCE:
+
+            if (ObjDesc->Reference.Opcode != AML_INT_NAMEPATH_OP)
+            {
+                ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, 
+                    "(PRT[%X].Source) Need name, found reference op %X\n",
+                    Index, ObjDesc->Reference.Opcode));
+                return_ACPI_STATUS (AE_BAD_DATA);
+            }
+
+            Node = ObjDesc->Reference.Node;
+
+            /* Use *remaining* length of the buffer as max for pathname */
+
+            PathBuffer.Length = OutputBuffer->Length -
+                                (UINT32) ((UINT8 *) UserPrt->Source - 
+                                (UINT8 *) OutputBuffer->Pointer);
+            PathBuffer.Pointer = UserPrt->Source;
+
+            Status = AcpiNsHandleToPathname ((ACPI_HANDLE) Node, &PathBuffer);
+
+            UserPrt->Length += (UINT32) ACPI_STRLEN (UserPrt->Source) + 1; /* include null terminator */
+            break;
+
+
+        case ACPI_TYPE_STRING:
+
+            ACPI_STRCPY (UserPrt->Source, ObjDesc->String.Pointer);
+
+            /* Add to the Length field the length of the string */
+
+            UserPrt->Length += ObjDesc->String.Length;
+            break;
+
+
+        case ACPI_TYPE_INTEGER:
+            /*
+             * If this is a number, then the Source Name is NULL, since the
+             * entire buffer was zeroed out, we can leave this alone.
+             *
+             * Add to the Length field the length of the UINT32 NULL
+             */
+            UserPrt->Length += sizeof (UINT32);
+            break;
+
+
+        default:
+
+           ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, 
+               "(PRT[%X].Source) Need Ref/String/Integer, found %s\n",
+                Index, AcpiUtGetObjectTypeName (ObjDesc)));
+           return_ACPI_STATUS (AE_BAD_DATA);
+        }
+
+        /* Now align the current length */
+
+        UserPrt->Length = ACPI_ROUND_UP_TO_64BITS (UserPrt->Length);
+
+        /*
+         * 4) Fourth subobject: Dereference the PRT.SourceIndex
+         */
+        ObjDesc = SubObjectList[3];
+        if (ACPI_GET_OBJECT_TYPE (ObjDesc) == ACPI_TYPE_INTEGER)
+        {
+            UserPrt->SourceIndex = (UINT32) ObjDesc->Integer.Value;
+        }
+        else
+        {
+            ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, 
+                "(PRT[%X].SourceIndex) Need Integer, found %s\n",
+                Index, AcpiUtGetObjectTypeName (ObjDesc)));
+            return_ACPI_STATUS (AE_BAD_DATA);
+        }
+
+        /* Point to the next ACPI_OPERAND_OBJECT in the top level package */
+
+        TopObjectList++;
+    }
+
+    ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "OutputBuffer %p Length %X\n",
+            OutputBuffer->Pointer, (UINT32) OutputBuffer->Length));
+    return_ACPI_STATUS (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiRsCreateByteStream
+ *
+ * PARAMETERS:  LinkedListBuffer        - Pointer to the resource linked list
+ *              OutputBuffer            - Pointer to the user's buffer
+ *
+ * RETURN:      Status  AE_OK if okay, else a valid ACPI_STATUS code.
+ *              If the OutputBuffer is too small, the error will be
+ *              AE_BUFFER_OVERFLOW and OutputBuffer->Length will point
+ *              to the size buffer needed.
+ *
+ * DESCRIPTION: Takes the linked list of device resources and
+ *              creates a bytestream to be used as input for the
+ *              _SRS control method.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiRsCreateByteStream (
+    ACPI_RESOURCE           *LinkedListBuffer,
+    ACPI_BUFFER             *OutputBuffer)
+{
+    ACPI_STATUS             Status;
+    ACPI_SIZE               ByteStreamSizeNeeded = 0;
+
+
+    ACPI_FUNCTION_TRACE ("RsCreateByteStream");
+
+
+    ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "LinkedListBuffer = %p\n", 
+        LinkedListBuffer));
+
+    /*
+     * Params already validated, so we don't re-validate here
+     *
+     * Pass the LinkedListBuffer into a module that calculates
+     * the buffer size needed for the byte stream.
+     */
+    Status = AcpiRsGetByteStreamLength (LinkedListBuffer,
+                &ByteStreamSizeNeeded);
+
+    ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "ByteStreamSizeNeeded=%X, %s\n",
+        (UINT32) ByteStreamSizeNeeded, AcpiFormatException (Status)));
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    /* Validate/Allocate/Clear caller buffer */
+
+    Status = AcpiUtInitializeBuffer (OutputBuffer, ByteStreamSizeNeeded);
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    /* Do the conversion */
+
+    Status = AcpiRsListToByteStream (LinkedListBuffer, ByteStreamSizeNeeded,
+                    OutputBuffer->Pointer);
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "OutputBuffer %p Length %X\n",
+            OutputBuffer->Pointer, (UINT32) OutputBuffer->Length));
+    return_ACPI_STATUS (AE_OK);
+}
+
diff --git a/sys/contrib/dev/acpica/rsdump.c b/sys/contrib/dev/acpica/rsdump.c
new file mode 100644
index 0000000..38f52fc
--- /dev/null
+++ b/sys/contrib/dev/acpica/rsdump.c
@@ -0,0 +1,1240 @@
+/*******************************************************************************
+ *
+ * Module Name: rsdump - Functions to display the resource structures.
+ *              $Revision: 34 $
+ *
+ ******************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+
+#define __RSDUMP_C__
+
+#include "acpi.h"
+#include "acresrc.h"
+
+#define _COMPONENT          ACPI_RESOURCES
+        ACPI_MODULE_NAME    ("rsdump")
+
+
+#if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER)
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiRsDumpIrq
+ *
+ * PARAMETERS:  Data            - pointer to the resource structure to dump.
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Prints out the various members of the Data structure type.
+ *
+ ******************************************************************************/
+
+void
+AcpiRsDumpIrq (
+    ACPI_RESOURCE_DATA      *Data)
+{
+    ACPI_RESOURCE_IRQ       *IrqData = (ACPI_RESOURCE_IRQ *) Data;
+    UINT8                   Index = 0;
+
+
+    ACPI_FUNCTION_ENTRY ();
+
+
+    AcpiOsPrintf ("IRQ Resource\n");
+
+    AcpiOsPrintf ("    %s Triggered\n",
+                ACPI_LEVEL_SENSITIVE == IrqData->EdgeLevel ? "Level" : "Edge");
+
+    AcpiOsPrintf ("    Active %s\n",
+                ACPI_ACTIVE_LOW == IrqData->ActiveHighLow ? "Low" : "High");
+
+    AcpiOsPrintf ("    %s\n",
+                ACPI_SHARED == IrqData->SharedExclusive ? "Shared" : "Exclusive");
+
+    AcpiOsPrintf ("    %X Interrupts ( ", IrqData->NumberOfInterrupts);
+
+    for (Index = 0; Index < IrqData->NumberOfInterrupts; Index++)
+    {
+        AcpiOsPrintf ("%X ", IrqData->Interrupts[Index]);
+    }
+
+    AcpiOsPrintf (")\n");
+    return;
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiRsDumpDma
+ *
+ * PARAMETERS:  Data            - pointer to the resource structure to dump.
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Prints out the various members of the Data structure type.
+ *
+ ******************************************************************************/
+
+void
+AcpiRsDumpDma (
+    ACPI_RESOURCE_DATA      *Data)
+{
+    ACPI_RESOURCE_DMA       *DmaData = (ACPI_RESOURCE_DMA *) Data;
+    UINT8                   Index = 0;
+
+
+    ACPI_FUNCTION_ENTRY ();
+
+
+    AcpiOsPrintf ("DMA Resource\n");
+
+    switch (DmaData->Type)
+    {
+    case ACPI_COMPATIBILITY:
+        AcpiOsPrintf ("    Compatibility mode\n");
+        break;
+
+    case ACPI_TYPE_A:
+        AcpiOsPrintf ("    Type A\n");
+        break;
+
+    case ACPI_TYPE_B:
+        AcpiOsPrintf ("    Type B\n");
+        break;
+
+    case ACPI_TYPE_F:
+        AcpiOsPrintf ("    Type F\n");
+        break;
+
+    default:
+        AcpiOsPrintf ("    Invalid DMA type\n");
+        break;
+    }
+
+    AcpiOsPrintf ("    %sBus Master\n",
+                ACPI_BUS_MASTER == DmaData->BusMaster ? "" : "Not a ");
+
+
+    switch (DmaData->Transfer)
+    {
+    case ACPI_TRANSFER_8:
+        AcpiOsPrintf ("    8-bit only transfer\n");
+        break;
+
+    case ACPI_TRANSFER_8_16:
+        AcpiOsPrintf ("    8 and 16-bit transfer\n");
+        break;
+
+    case ACPI_TRANSFER_16:
+        AcpiOsPrintf ("    16 bit only transfer\n");
+        break;
+
+    default:
+        AcpiOsPrintf ("    Invalid transfer preference\n");
+        break;
+    }
+
+    AcpiOsPrintf ("    Number of Channels: %X ( ", DmaData->NumberOfChannels);
+
+    for (Index = 0; Index < DmaData->NumberOfChannels; Index++)
+    {
+        AcpiOsPrintf ("%X ", DmaData->Channels[Index]);
+    }
+
+    AcpiOsPrintf (")\n");
+    return;
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiRsDumpStartDependFns
+ *
+ * PARAMETERS:  Data            - pointer to the resource structure to dump.
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Prints out the various members of the Data structure type.
+ *
+ ******************************************************************************/
+
+void
+AcpiRsDumpStartDependFns (
+    ACPI_RESOURCE_DATA      *Data)
+{
+    ACPI_RESOURCE_START_DPF *SdfData = (ACPI_RESOURCE_START_DPF *) Data;
+
+
+    ACPI_FUNCTION_ENTRY ();
+
+
+    AcpiOsPrintf ("Start Dependent Functions Resource\n");
+
+    switch (SdfData->CompatibilityPriority)
+    {
+    case ACPI_GOOD_CONFIGURATION:
+        AcpiOsPrintf ("    Good configuration\n");
+        break;
+
+    case ACPI_ACCEPTABLE_CONFIGURATION:
+        AcpiOsPrintf ("    Acceptable configuration\n");
+        break;
+
+    case ACPI_SUB_OPTIMAL_CONFIGURATION:
+        AcpiOsPrintf ("    Sub-optimal configuration\n");
+        break;
+
+    default:
+        AcpiOsPrintf ("    Invalid compatibility priority\n");
+        break;
+    }
+
+    switch(SdfData->PerformanceRobustness)
+    {
+    case ACPI_GOOD_CONFIGURATION:
+        AcpiOsPrintf ("    Good configuration\n");
+        break;
+
+    case ACPI_ACCEPTABLE_CONFIGURATION:
+        AcpiOsPrintf ("    Acceptable configuration\n");
+        break;
+
+    case ACPI_SUB_OPTIMAL_CONFIGURATION:
+        AcpiOsPrintf ("    Sub-optimal configuration\n");
+        break;
+
+    default:
+        AcpiOsPrintf ("    Invalid performance "
+                        "robustness preference\n");
+        break;
+    }
+
+    return;
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiRsDumpIo
+ *
+ * PARAMETERS:  Data            - pointer to the resource structure to dump.
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Prints out the various members of the Data structure type.
+ *
+ ******************************************************************************/
+
+void
+AcpiRsDumpIo (
+    ACPI_RESOURCE_DATA      *Data)
+{
+    ACPI_RESOURCE_IO        *IoData = (ACPI_RESOURCE_IO *) Data;
+
+
+    ACPI_FUNCTION_ENTRY ();
+
+
+    AcpiOsPrintf ("Io Resource\n");
+
+    AcpiOsPrintf ("    %d bit decode\n",
+                ACPI_DECODE_16 == IoData->IoDecode ? 16 : 10);
+
+    AcpiOsPrintf ("    Range minimum base: %08X\n",
+                IoData->MinBaseAddress);
+
+    AcpiOsPrintf ("    Range maximum base: %08X\n",
+                IoData->MaxBaseAddress);
+
+    AcpiOsPrintf ("    Alignment: %08X\n",
+                IoData->Alignment);
+
+    AcpiOsPrintf ("    Range Length: %08X\n",
+                IoData->RangeLength);
+
+    return;
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiRsDumpFixedIo
+ *
+ * PARAMETERS:  Data            - pointer to the resource structure to dump.
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Prints out the various members of the Data structure type.
+ *
+ ******************************************************************************/
+
+void
+AcpiRsDumpFixedIo (
+    ACPI_RESOURCE_DATA      *Data)
+{
+    ACPI_RESOURCE_FIXED_IO  *FixedIoData = (ACPI_RESOURCE_FIXED_IO *) Data;
+
+
+    ACPI_FUNCTION_ENTRY ();
+
+
+    AcpiOsPrintf ("Fixed Io Resource\n");
+    AcpiOsPrintf ("    Range base address: %08X",
+                FixedIoData->BaseAddress);
+
+    AcpiOsPrintf ("    Range length: %08X",
+                FixedIoData->RangeLength);
+
+    return;
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiRsDumpVendorSpecific
+ *
+ * PARAMETERS:  Data            - pointer to the resource structure to dump.
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Prints out the various members of the Data structure type.
+ *
+ ******************************************************************************/
+
+void
+AcpiRsDumpVendorSpecific (
+    ACPI_RESOURCE_DATA      *Data)
+{
+    ACPI_RESOURCE_VENDOR    *VendorData = (ACPI_RESOURCE_VENDOR *) Data;
+    UINT16                  Index = 0;
+
+
+    ACPI_FUNCTION_ENTRY ();
+
+
+    AcpiOsPrintf ("Vendor Specific Resource\n");
+
+    AcpiOsPrintf ("    Length: %08X\n", VendorData->Length);
+
+    for (Index = 0; Index < VendorData->Length; Index++)
+    {
+        AcpiOsPrintf ("    Byte %X: %08X\n",
+                    Index, VendorData->Reserved[Index]);
+    }
+
+    return;
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiRsDumpMemory24
+ *
+ * PARAMETERS:  Data            - pointer to the resource structure to dump.
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Prints out the various members of the Data structure type.
+ *
+ ******************************************************************************/
+
+void
+AcpiRsDumpMemory24 (
+    ACPI_RESOURCE_DATA      *Data)
+{
+    ACPI_RESOURCE_MEM24     *Memory24Data = (ACPI_RESOURCE_MEM24 *) Data;
+
+
+    ACPI_FUNCTION_ENTRY ();
+
+
+    AcpiOsPrintf ("24-Bit Memory Range Resource\n");
+
+    AcpiOsPrintf ("    Read%s\n",
+                ACPI_READ_WRITE_MEMORY ==
+                Memory24Data->ReadWriteAttribute ?
+                "/Write" : " only");
+
+    AcpiOsPrintf ("    Range minimum base: %08X\n",
+                Memory24Data->MinBaseAddress);
+
+    AcpiOsPrintf ("    Range maximum base: %08X\n",
+                Memory24Data->MaxBaseAddress);
+
+    AcpiOsPrintf ("    Alignment: %08X\n",
+                Memory24Data->Alignment);
+
+    AcpiOsPrintf ("    Range length: %08X\n",
+                Memory24Data->RangeLength);
+
+    return;
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiRsDumpMemory32
+ *
+ * PARAMETERS:  Data            - pointer to the resource structure to dump.
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Prints out the various members of the Data structure type.
+ *
+ ******************************************************************************/
+
+void
+AcpiRsDumpMemory32 (
+    ACPI_RESOURCE_DATA      *Data)
+{
+    ACPI_RESOURCE_MEM32     *Memory32Data = (ACPI_RESOURCE_MEM32 *) Data;
+
+
+    ACPI_FUNCTION_ENTRY ();
+
+
+    AcpiOsPrintf ("32-Bit Memory Range Resource\n");
+
+    AcpiOsPrintf ("    Read%s\n",
+                ACPI_READ_WRITE_MEMORY ==
+                Memory32Data->ReadWriteAttribute ?
+                "/Write" : " only");
+
+    AcpiOsPrintf ("    Range minimum base: %08X\n",
+                Memory32Data->MinBaseAddress);
+
+    AcpiOsPrintf ("    Range maximum base: %08X\n",
+                Memory32Data->MaxBaseAddress);
+
+    AcpiOsPrintf ("    Alignment: %08X\n",
+                Memory32Data->Alignment);
+
+    AcpiOsPrintf ("    Range length: %08X\n",
+                Memory32Data->RangeLength);
+
+    return;
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiRsDumpFixedMemory32
+ *
+ * PARAMETERS:  Data            - pointer to the resource structure to dump.
+ *
+ * RETURN:
+ *
+ * DESCRIPTION: Prints out the various members of the Data structure type.
+ *
+ ******************************************************************************/
+
+void
+AcpiRsDumpFixedMemory32 (
+    ACPI_RESOURCE_DATA          *Data)
+{
+    ACPI_RESOURCE_FIXED_MEM32   *FixedMemory32Data = (ACPI_RESOURCE_FIXED_MEM32 *) Data;
+
+
+    ACPI_FUNCTION_ENTRY ();
+
+
+    AcpiOsPrintf ("32-Bit Fixed Location Memory Range Resource\n");
+
+    AcpiOsPrintf ("    Read%s\n",
+                ACPI_READ_WRITE_MEMORY ==
+                FixedMemory32Data->ReadWriteAttribute ?
+                "/Write" : " Only");
+
+    AcpiOsPrintf ("    Range base address: %08X\n",
+                FixedMemory32Data->RangeBaseAddress);
+
+    AcpiOsPrintf ("    Range length: %08X\n",
+                FixedMemory32Data->RangeLength);
+
+    return;
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiRsDumpAddress16
+ *
+ * PARAMETERS:  Data            - pointer to the resource structure to dump.
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Prints out the various members of the Data structure type.
+ *
+ ******************************************************************************/
+
+void
+AcpiRsDumpAddress16 (
+    ACPI_RESOURCE_DATA      *Data)
+{
+    ACPI_RESOURCE_ADDRESS16 *Address16Data = (ACPI_RESOURCE_ADDRESS16 *) Data;
+
+
+    ACPI_FUNCTION_ENTRY ();
+
+
+    AcpiOsPrintf ("16-Bit Address Space Resource\n");
+    AcpiOsPrintf ("    Resource Type: ");
+
+    switch (Address16Data->ResourceType)
+    {
+    case ACPI_MEMORY_RANGE:
+
+        AcpiOsPrintf ("Memory Range\n");
+
+        switch (Address16Data->Attribute.Memory.CacheAttribute)
+        {
+        case ACPI_NON_CACHEABLE_MEMORY:
+            AcpiOsPrintf ("    Type Specific: "
+                            "Noncacheable memory\n");
+            break;
+
+        case ACPI_CACHABLE_MEMORY:
+            AcpiOsPrintf ("    Type Specific: "
+                            "Cacheable memory\n");
+            break;
+
+        case ACPI_WRITE_COMBINING_MEMORY:
+            AcpiOsPrintf ("    Type Specific: "
+                            "Write-combining memory\n");
+            break;
+
+        case ACPI_PREFETCHABLE_MEMORY:
+            AcpiOsPrintf ("    Type Specific: "
+                            "Prefetchable memory\n");
+            break;
+
+        default:
+            AcpiOsPrintf ("    Type Specific: "
+                            "Invalid cache attribute\n");
+            break;
+        }
+
+        AcpiOsPrintf ("    Type Specific: Read%s\n",
+            ACPI_READ_WRITE_MEMORY ==
+            Address16Data->Attribute.Memory.ReadWriteAttribute ?
+            "/Write" : " Only");
+        break;
+
+    case ACPI_IO_RANGE:
+
+        AcpiOsPrintf ("I/O Range\n");
+
+        switch (Address16Data->Attribute.Io.RangeAttribute)
+        {
+        case ACPI_NON_ISA_ONLY_RANGES:
+            AcpiOsPrintf ("    Type Specific: "
+                            "Non-ISA Io Addresses\n");
+            break;
+
+        case ACPI_ISA_ONLY_RANGES:
+            AcpiOsPrintf ("    Type Specific: "
+                            "ISA Io Addresses\n");
+            break;
+
+        case ACPI_ENTIRE_RANGE:
+            AcpiOsPrintf ("    Type Specific: "
+                            "ISA and non-ISA Io Addresses\n");
+            break;
+
+        default:
+            AcpiOsPrintf ("    Type Specific: "
+                            "Invalid range attribute\n");
+            break;
+        }
+        break;
+
+    case ACPI_BUS_NUMBER_RANGE:
+
+        AcpiOsPrintf ("Bus Number Range\n");
+        break;
+
+    default:
+
+        AcpiOsPrintf ("Invalid resource type. Exiting.\n");
+        return;
+    }
+
+    AcpiOsPrintf ("    Resource %s\n",
+            ACPI_CONSUMER == Address16Data->ProducerConsumer ?
+            "Consumer" : "Producer");
+
+    AcpiOsPrintf ("    %s decode\n",
+                ACPI_SUB_DECODE == Address16Data->Decode ?
+                "Subtractive" : "Positive");
+
+    AcpiOsPrintf ("    Min address is %s fixed\n",
+                ACPI_ADDRESS_FIXED == Address16Data->MinAddressFixed ?
+                "" : "not");
+
+    AcpiOsPrintf ("    Max address is %s fixed\n",
+                ACPI_ADDRESS_FIXED == Address16Data->MaxAddressFixed ?
+                "" : "not");
+
+    AcpiOsPrintf ("    Granularity: %08X\n",
+                Address16Data->Granularity);
+
+    AcpiOsPrintf ("    Address range min: %08X\n",
+                Address16Data->MinAddressRange);
+
+    AcpiOsPrintf ("    Address range max: %08X\n",
+                Address16Data->MaxAddressRange);
+
+    AcpiOsPrintf ("    Address translation offset: %08X\n",
+                Address16Data->AddressTranslationOffset);
+
+    AcpiOsPrintf ("    Address Length: %08X\n",
+                Address16Data->AddressLength);
+
+    if (0xFF != Address16Data->ResourceSource.Index)
+    {
+        AcpiOsPrintf ("    Resource Source Index: %X\n",
+                    Address16Data->ResourceSource.Index);
+        AcpiOsPrintf ("    Resource Source: %s\n",
+                    Address16Data->ResourceSource.StringPtr);
+    }
+
+    return;
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiRsDumpAddress32
+ *
+ * PARAMETERS:  Data            - pointer to the resource structure to dump.
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Prints out the various members of the Data structure type.
+ *
+ ******************************************************************************/
+
+void
+AcpiRsDumpAddress32 (
+    ACPI_RESOURCE_DATA      *Data)
+{
+    ACPI_RESOURCE_ADDRESS32 *Address32Data = (ACPI_RESOURCE_ADDRESS32 *) Data;
+
+
+    ACPI_FUNCTION_ENTRY ();
+
+
+    AcpiOsPrintf ("32-Bit Address Space Resource\n");
+
+    switch (Address32Data->ResourceType)
+    {
+    case ACPI_MEMORY_RANGE:
+
+        AcpiOsPrintf ("    Resource Type: Memory Range\n");
+
+        switch (Address32Data->Attribute.Memory.CacheAttribute)
+        {
+        case ACPI_NON_CACHEABLE_MEMORY:
+            AcpiOsPrintf ("    Type Specific: "
+                            "Noncacheable memory\n");
+            break;
+
+        case ACPI_CACHABLE_MEMORY:
+            AcpiOsPrintf ("    Type Specific: "
+                            "Cacheable memory\n");
+            break;
+
+        case ACPI_WRITE_COMBINING_MEMORY:
+            AcpiOsPrintf ("    Type Specific: "
+                            "Write-combining memory\n");
+            break;
+
+        case ACPI_PREFETCHABLE_MEMORY:
+            AcpiOsPrintf ("    Type Specific: "
+                            "Prefetchable memory\n");
+            break;
+
+        default:
+            AcpiOsPrintf ("    Type Specific: "
+                            "Invalid cache attribute\n");
+            break;
+        }
+
+        AcpiOsPrintf ("    Type Specific: Read%s\n",
+            ACPI_READ_WRITE_MEMORY ==
+            Address32Data->Attribute.Memory.ReadWriteAttribute ?
+            "/Write" : " Only");
+        break;
+
+    case ACPI_IO_RANGE:
+
+        AcpiOsPrintf ("    Resource Type: Io Range\n");
+
+        switch (Address32Data->Attribute.Io.RangeAttribute)
+            {
+            case ACPI_NON_ISA_ONLY_RANGES:
+                AcpiOsPrintf ("    Type Specific: "
+                                "Non-ISA Io Addresses\n");
+                break;
+
+            case ACPI_ISA_ONLY_RANGES:
+                AcpiOsPrintf ("    Type Specific: "
+                                "ISA Io Addresses\n");
+                break;
+
+            case ACPI_ENTIRE_RANGE:
+                AcpiOsPrintf ("    Type Specific: "
+                                "ISA and non-ISA Io Addresses\n");
+                break;
+
+            default:
+                AcpiOsPrintf ("    Type Specific: "
+                                "Invalid Range attribute");
+                break;
+            }
+        break;
+
+    case ACPI_BUS_NUMBER_RANGE:
+
+        AcpiOsPrintf ("    Resource Type: Bus Number Range\n");
+        break;
+
+    default:
+
+        AcpiOsPrintf ("    Invalid Resource Type..exiting.\n");
+        return;
+    }
+
+    AcpiOsPrintf ("    Resource %s\n",
+                ACPI_CONSUMER == Address32Data->ProducerConsumer ?
+                "Consumer" : "Producer");
+
+    AcpiOsPrintf ("    %s decode\n",
+                ACPI_SUB_DECODE == Address32Data->Decode ?
+                "Subtractive" : "Positive");
+
+    AcpiOsPrintf ("    Min address is %s fixed\n",
+                ACPI_ADDRESS_FIXED == Address32Data->MinAddressFixed ?
+                "" : "not ");
+
+    AcpiOsPrintf ("    Max address is %s fixed\n",
+                ACPI_ADDRESS_FIXED == Address32Data->MaxAddressFixed ?
+                "" : "not ");
+
+    AcpiOsPrintf ("    Granularity: %08X\n",
+                Address32Data->Granularity);
+
+    AcpiOsPrintf ("    Address range min: %08X\n",
+                Address32Data->MinAddressRange);
+
+    AcpiOsPrintf ("    Address range max: %08X\n",
+                Address32Data->MaxAddressRange);
+
+    AcpiOsPrintf ("    Address translation offset: %08X\n",
+                Address32Data->AddressTranslationOffset);
+
+    AcpiOsPrintf ("    Address Length: %08X\n",
+                Address32Data->AddressLength);
+
+    if(0xFF != Address32Data->ResourceSource.Index)
+    {
+        AcpiOsPrintf ("    Resource Source Index: %X\n",
+                    Address32Data->ResourceSource.Index);
+        AcpiOsPrintf ("    Resource Source: %s\n",
+                    Address32Data->ResourceSource.StringPtr);
+    }
+
+    return;
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiRsDumpAddress64
+ *
+ * PARAMETERS:  Data            - pointer to the resource structure to dump.
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Prints out the various members of the Data structure type.
+ *
+ ******************************************************************************/
+
+void
+AcpiRsDumpAddress64 (
+    ACPI_RESOURCE_DATA      *Data)
+{
+    ACPI_RESOURCE_ADDRESS64 *Address64Data = (ACPI_RESOURCE_ADDRESS64 *) Data;
+
+
+    ACPI_FUNCTION_ENTRY ();
+
+
+    AcpiOsPrintf ("64-Bit Address Space Resource\n");
+
+    switch (Address64Data->ResourceType)
+    {
+    case ACPI_MEMORY_RANGE:
+
+        AcpiOsPrintf ("    Resource Type: Memory Range\n");
+
+        switch (Address64Data->Attribute.Memory.CacheAttribute)
+        {
+        case ACPI_NON_CACHEABLE_MEMORY:
+            AcpiOsPrintf ("    Type Specific: "
+                            "Noncacheable memory\n");
+            break;
+
+        case ACPI_CACHABLE_MEMORY:
+            AcpiOsPrintf ("    Type Specific: "
+                            "Cacheable memory\n");
+            break;
+
+        case ACPI_WRITE_COMBINING_MEMORY:
+            AcpiOsPrintf ("    Type Specific: "
+                            "Write-combining memory\n");
+            break;
+
+        case ACPI_PREFETCHABLE_MEMORY:
+            AcpiOsPrintf ("    Type Specific: "
+                            "Prefetchable memory\n");
+            break;
+
+        default:
+            AcpiOsPrintf ("    Type Specific: "
+                            "Invalid cache attribute\n");
+            break;
+        }
+
+        AcpiOsPrintf ("    Type Specific: Read%s\n",
+            ACPI_READ_WRITE_MEMORY ==
+            Address64Data->Attribute.Memory.ReadWriteAttribute ?
+            "/Write" : " Only");
+        break;
+
+    case ACPI_IO_RANGE:
+
+        AcpiOsPrintf ("    Resource Type: Io Range\n");
+
+        switch (Address64Data->Attribute.Io.RangeAttribute)
+            {
+            case ACPI_NON_ISA_ONLY_RANGES:
+                AcpiOsPrintf ("    Type Specific: "
+                                "Non-ISA Io Addresses\n");
+                break;
+
+            case ACPI_ISA_ONLY_RANGES:
+                AcpiOsPrintf ("    Type Specific: "
+                                "ISA Io Addresses\n");
+                break;
+
+            case ACPI_ENTIRE_RANGE:
+                AcpiOsPrintf ("    Type Specific: "
+                                "ISA and non-ISA Io Addresses\n");
+                break;
+
+            default:
+                AcpiOsPrintf ("    Type Specific: "
+                                "Invalid Range attribute");
+                break;
+            }
+        break;
+
+    case ACPI_BUS_NUMBER_RANGE:
+
+        AcpiOsPrintf ("    Resource Type: Bus Number Range\n");
+        break;
+
+    default:
+
+        AcpiOsPrintf ("    Invalid Resource Type..exiting.\n");
+        return;
+    }
+
+    AcpiOsPrintf ("    Resource %s\n",
+                ACPI_CONSUMER == Address64Data->ProducerConsumer ?
+                "Consumer" : "Producer");
+
+    AcpiOsPrintf ("    %s decode\n",
+                ACPI_SUB_DECODE == Address64Data->Decode ?
+                "Subtractive" : "Positive");
+
+    AcpiOsPrintf ("    Min address is %s fixed\n",
+                ACPI_ADDRESS_FIXED == Address64Data->MinAddressFixed ?
+                "" : "not ");
+
+    AcpiOsPrintf ("    Max address is %s fixed\n",
+                ACPI_ADDRESS_FIXED == Address64Data->MaxAddressFixed ?
+                "" : "not ");
+
+    AcpiOsPrintf ("    Granularity: %8.8X%8.8X\n",
+                ACPI_HIDWORD (Address64Data->Granularity),
+                ACPI_LODWORD (Address64Data->Granularity));
+
+    AcpiOsPrintf ("    Address range min: %8.8X%8.8X\n",
+                ACPI_HIDWORD (Address64Data->MinAddressRange),
+                ACPI_HIDWORD (Address64Data->MinAddressRange));
+
+    AcpiOsPrintf ("    Address range max: %8.8X%8.8X\n",
+                ACPI_HIDWORD (Address64Data->MaxAddressRange),
+                ACPI_HIDWORD (Address64Data->MaxAddressRange));
+
+    AcpiOsPrintf ("    Address translation offset: %8.8X%8.8X\n",
+                ACPI_HIDWORD (Address64Data->AddressTranslationOffset),
+                ACPI_HIDWORD (Address64Data->AddressTranslationOffset));
+
+    AcpiOsPrintf ("    Address Length: %8.8X%8.8X\n",
+                ACPI_HIDWORD (Address64Data->AddressLength),
+                ACPI_HIDWORD (Address64Data->AddressLength));
+
+    if(0xFF != Address64Data->ResourceSource.Index)
+    {
+        AcpiOsPrintf ("    Resource Source Index: %X\n",
+                    Address64Data->ResourceSource.Index);
+        AcpiOsPrintf ("    Resource Source: %s\n",
+                    Address64Data->ResourceSource.StringPtr);
+    }
+
+    return;
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiRsDumpExtendedIrq
+ *
+ * PARAMETERS:  Data            - pointer to the resource structure to dump.
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Prints out the various members of the Data structure type.
+ *
+ ******************************************************************************/
+
+void
+AcpiRsDumpExtendedIrq (
+    ACPI_RESOURCE_DATA      *Data)
+{
+    ACPI_RESOURCE_EXT_IRQ   *ExtIrqData = (ACPI_RESOURCE_EXT_IRQ *) Data;
+    UINT8                   Index = 0;
+
+
+    ACPI_FUNCTION_ENTRY ();
+
+
+    AcpiOsPrintf ("Extended IRQ Resource\n");
+
+    AcpiOsPrintf ("    Resource %s\n",
+                ACPI_CONSUMER == ExtIrqData->ProducerConsumer ?
+                "Consumer" : "Producer");
+
+    AcpiOsPrintf ("    %s\n",
+                ACPI_LEVEL_SENSITIVE == ExtIrqData->EdgeLevel ?
+                "Level" : "Edge");
+
+    AcpiOsPrintf ("    Active %s\n",
+                ACPI_ACTIVE_LOW == ExtIrqData->ActiveHighLow ?
+                "low" : "high");
+
+    AcpiOsPrintf ("    %s\n",
+                ACPI_SHARED == ExtIrqData->SharedExclusive ?
+                "Shared" : "Exclusive");
+
+    AcpiOsPrintf ("    Interrupts : %X ( ",
+                ExtIrqData->NumberOfInterrupts);
+
+    for (Index = 0; Index < ExtIrqData->NumberOfInterrupts; Index++)
+    {
+        AcpiOsPrintf ("%X ", ExtIrqData->Interrupts[Index]);
+    }
+
+    AcpiOsPrintf (")\n");
+
+    if(0xFF != ExtIrqData->ResourceSource.Index)
+    {
+        AcpiOsPrintf ("    Resource Source Index: %X",
+                    ExtIrqData->ResourceSource.Index);
+        AcpiOsPrintf ("    Resource Source: %s",
+                    ExtIrqData->ResourceSource.StringPtr);
+    }
+
+    return;
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiRsDumpResourceList
+ *
+ * PARAMETERS:  Data            - pointer to the resource structure to dump.
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Dispatches the structure to the correct dump routine.
+ *
+ ******************************************************************************/
+
+void
+AcpiRsDumpResourceList (
+    ACPI_RESOURCE       *Resource)
+{
+    UINT8               Count = 0;
+    BOOLEAN             Done = FALSE;
+
+
+    ACPI_FUNCTION_ENTRY ();
+
+
+    if (AcpiDbgLevel & ACPI_LV_RESOURCES && _COMPONENT & AcpiDbgLayer)
+    {
+        while (!Done)
+        {
+            AcpiOsPrintf ("Resource structure %X.\n", Count++);
+
+            switch (Resource->Id)
+            {
+            case ACPI_RSTYPE_IRQ:
+                AcpiRsDumpIrq (&Resource->Data);
+                break;
+
+            case ACPI_RSTYPE_DMA:
+                AcpiRsDumpDma (&Resource->Data);
+                break;
+
+            case ACPI_RSTYPE_START_DPF:
+                AcpiRsDumpStartDependFns (&Resource->Data);
+                break;
+
+            case ACPI_RSTYPE_END_DPF:
+                AcpiOsPrintf ("EndDependentFunctions Resource\n");
+                /* AcpiRsDumpEndDependentFunctions (Resource->Data);*/
+                break;
+
+            case ACPI_RSTYPE_IO:
+                AcpiRsDumpIo (&Resource->Data);
+                break;
+
+            case ACPI_RSTYPE_FIXED_IO:
+                AcpiRsDumpFixedIo (&Resource->Data);
+                break;
+
+            case ACPI_RSTYPE_VENDOR:
+                AcpiRsDumpVendorSpecific (&Resource->Data);
+                break;
+
+            case ACPI_RSTYPE_END_TAG:
+                /*RsDumpEndTag (Resource->Data);*/
+                AcpiOsPrintf ("EndTag Resource\n");
+                Done = TRUE;
+                break;
+
+            case ACPI_RSTYPE_MEM24:
+                AcpiRsDumpMemory24 (&Resource->Data);
+                break;
+
+            case ACPI_RSTYPE_MEM32:
+                AcpiRsDumpMemory32 (&Resource->Data);
+                break;
+
+            case ACPI_RSTYPE_FIXED_MEM32:
+                AcpiRsDumpFixedMemory32 (&Resource->Data);
+                break;
+
+            case ACPI_RSTYPE_ADDRESS16:
+                AcpiRsDumpAddress16 (&Resource->Data);
+                break;
+
+            case ACPI_RSTYPE_ADDRESS32:
+                AcpiRsDumpAddress32 (&Resource->Data);
+                break;
+
+            case ACPI_RSTYPE_ADDRESS64:
+                AcpiRsDumpAddress64 (&Resource->Data);
+                break;
+
+            case ACPI_RSTYPE_EXT_IRQ:
+                AcpiRsDumpExtendedIrq (&Resource->Data);
+                break;
+
+            default:
+                AcpiOsPrintf ("Invalid resource type\n");
+                break;
+
+            }
+
+            Resource = ACPI_PTR_ADD (ACPI_RESOURCE, Resource, Resource->Length);
+        }
+    }
+
+    return;
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiRsDumpIrqList
+ *
+ * PARAMETERS:  Data            - pointer to the routing table to dump.
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Dispatches the structures to the correct dump routine.
+ *
+ ******************************************************************************/
+
+void
+AcpiRsDumpIrqList (
+    UINT8                   *RouteTable)
+{
+    UINT8                   *Buffer = RouteTable;
+    UINT8                   Count = 0;
+    BOOLEAN                 Done = FALSE;
+    ACPI_PCI_ROUTING_TABLE  *PrtElement;
+
+
+    ACPI_FUNCTION_ENTRY ();
+
+
+    if (AcpiDbgLevel & ACPI_LV_RESOURCES && _COMPONENT & AcpiDbgLayer)
+    {
+        PrtElement = ACPI_CAST_PTR (ACPI_PCI_ROUTING_TABLE, Buffer);
+
+        while (!Done)
+        {
+            AcpiOsPrintf ("PCI IRQ Routing Table structure %X.\n", Count++);
+
+            AcpiOsPrintf ("    Address: %8.8X%8.8X\n",
+                        ACPI_HIDWORD (PrtElement->Address),
+                        ACPI_LODWORD (PrtElement->Address));
+
+            AcpiOsPrintf ("    Pin: %X\n", PrtElement->Pin);
+
+            AcpiOsPrintf ("    Source: %s\n", PrtElement->Source);
+
+            AcpiOsPrintf ("    SourceIndex: %X\n",
+                        PrtElement->SourceIndex);
+
+            Buffer += PrtElement->Length;
+
+            PrtElement = ACPI_CAST_PTR (ACPI_PCI_ROUTING_TABLE, Buffer);
+
+            if(0 == PrtElement->Length)
+            {
+                Done = TRUE;
+            }
+        }
+    }
+
+    return;
+}
+
+#endif
+
diff --git a/sys/contrib/dev/acpica/rsio.c b/sys/contrib/dev/acpica/rsio.c
new file mode 100644
index 0000000..51cf965
--- /dev/null
+++ b/sys/contrib/dev/acpica/rsio.c
@@ -0,0 +1,624 @@
+/*******************************************************************************
+ *
+ * Module Name: rsio - IO and DMA resource descriptors
+ *              $Revision: 22 $
+ *
+ ******************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+#define __RSIO_C__
+
+#include "acpi.h"
+#include "acresrc.h"
+
+#define _COMPONENT          ACPI_RESOURCES
+        ACPI_MODULE_NAME    ("rsio")
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiRsIoResource
+ *
+ * PARAMETERS:  ByteStreamBuffer        - Pointer to the resource input byte
+ *                                        stream
+ *              BytesConsumed           - Pointer to where the number of bytes
+ *                                        consumed the ByteStreamBuffer is
+ *                                        returned
+ *              OutputBuffer            - Pointer to the return data buffer
+ *              StructureSize           - Pointer to where the number of bytes
+ *                                        in the return data struct is returned
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Take the resource byte stream and fill out the appropriate
+ *              structure pointed to by the OutputBuffer.  Return the
+ *              number of bytes consumed from the byte stream.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiRsIoResource (
+    UINT8                   *ByteStreamBuffer,
+    ACPI_SIZE               *BytesConsumed,
+    UINT8                   **OutputBuffer,
+    ACPI_SIZE               *StructureSize)
+{
+    UINT8                   *Buffer = ByteStreamBuffer;
+    ACPI_RESOURCE           *OutputStruct = (void *) *OutputBuffer;
+    UINT16                  Temp16 = 0;
+    UINT8                   Temp8 = 0;
+    ACPI_SIZE               StructSize = ACPI_SIZEOF_RESOURCE (ACPI_RESOURCE_IO);
+
+
+    ACPI_FUNCTION_TRACE ("RsIoResource");
+
+
+    /*
+     * The number of bytes consumed are Constant
+     */
+    *BytesConsumed = 8;
+
+    OutputStruct->Id = ACPI_RSTYPE_IO;
+
+    /*
+     * Check Decode
+     */
+    Buffer += 1;
+    Temp8 = *Buffer;
+
+    OutputStruct->Data.Io.IoDecode = Temp8 & 0x01;
+
+    /*
+     * Check MinBase Address
+     */
+    Buffer += 1;
+    ACPI_MOVE_UNALIGNED16_TO_16 (&Temp16, Buffer);
+
+    OutputStruct->Data.Io.MinBaseAddress = Temp16;
+
+    /*
+     * Check MaxBase Address
+     */
+    Buffer += 2;
+    ACPI_MOVE_UNALIGNED16_TO_16 (&Temp16, Buffer);
+
+    OutputStruct->Data.Io.MaxBaseAddress = Temp16;
+
+    /*
+     * Check Base alignment
+     */
+    Buffer += 2;
+    Temp8 = *Buffer;
+
+    OutputStruct->Data.Io.Alignment = Temp8;
+
+    /*
+     * Check RangeLength
+     */
+    Buffer += 1;
+    Temp8 = *Buffer;
+
+    OutputStruct->Data.Io.RangeLength = Temp8;
+
+    /*
+     * Set the Length parameter
+     */
+    OutputStruct->Length = (UINT32) StructSize;
+
+    /*
+     * Return the final size of the structure
+     */
+    *StructureSize = StructSize;
+    return_ACPI_STATUS (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiRsFixedIoResource
+ *
+ * PARAMETERS:  ByteStreamBuffer        - Pointer to the resource input byte
+ *                                        stream
+ *              BytesConsumed           - Pointer to where the number of bytes
+ *                                        consumed the ByteStreamBuffer is
+ *                                        returned
+ *              OutputBuffer            - Pointer to the return data buffer
+ *              StructureSize           - Pointer to where the number of bytes
+ *                                        in the return data struct is returned
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Take the resource byte stream and fill out the appropriate
+ *              structure pointed to by the OutputBuffer.  Return the
+ *              number of bytes consumed from the byte stream.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiRsFixedIoResource (
+    UINT8                   *ByteStreamBuffer,
+    ACPI_SIZE               *BytesConsumed,
+    UINT8                   **OutputBuffer,
+    ACPI_SIZE               *StructureSize)
+{
+    UINT8                   *Buffer = ByteStreamBuffer;
+    ACPI_RESOURCE           *OutputStruct = (void *) *OutputBuffer;
+    UINT16                  Temp16 = 0;
+    UINT8                   Temp8 = 0;
+    ACPI_SIZE               StructSize = ACPI_SIZEOF_RESOURCE (ACPI_RESOURCE_FIXED_IO);
+
+
+    ACPI_FUNCTION_TRACE ("RsFixedIoResource");
+
+
+    /*
+     * The number of bytes consumed are Constant
+     */
+    *BytesConsumed = 4;
+
+    OutputStruct->Id = ACPI_RSTYPE_FIXED_IO;
+
+    /*
+     * Check Range Base Address
+     */
+    Buffer += 1;
+    ACPI_MOVE_UNALIGNED16_TO_16 (&Temp16, Buffer);
+
+    OutputStruct->Data.FixedIo.BaseAddress = Temp16;
+
+    /*
+     * Check RangeLength
+     */
+    Buffer += 2;
+    Temp8 = *Buffer;
+
+    OutputStruct->Data.FixedIo.RangeLength = Temp8;
+
+    /*
+     * Set the Length parameter
+     */
+    OutputStruct->Length = (UINT32) StructSize;
+
+    /*
+     * Return the final size of the structure
+     */
+    *StructureSize = StructSize;
+    return_ACPI_STATUS (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiRsIoStream
+ *
+ * PARAMETERS:  LinkedList              - Pointer to the resource linked list
+ *              OutputBuffer            - Pointer to the user's return buffer
+ *              BytesConsumed           - Pointer to where the number of bytes
+ *                                        used in the OutputBuffer is returned
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Take the linked list resource structure and fills in the
+ *              the appropriate bytes in a byte stream
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiRsIoStream (
+    ACPI_RESOURCE           *LinkedList,
+    UINT8                   **OutputBuffer,
+    ACPI_SIZE               *BytesConsumed)
+{
+    UINT8                   *Buffer = *OutputBuffer;
+    UINT16                  Temp16 = 0;
+    UINT8                   Temp8 = 0;
+
+
+    ACPI_FUNCTION_TRACE ("RsIoStream");
+
+
+    /*
+     * The descriptor field is static
+     */
+    *Buffer = 0x47;
+    Buffer += 1;
+
+    /*
+     * Io Information Byte
+     */
+    Temp8 = (UINT8) (LinkedList->Data.Io.IoDecode & 0x01);
+
+    *Buffer = Temp8;
+    Buffer += 1;
+
+    /*
+     * Set the Range minimum base address
+     */
+    Temp16 = (UINT16) LinkedList->Data.Io.MinBaseAddress;
+
+    ACPI_MOVE_UNALIGNED16_TO_16 (Buffer, &Temp16);
+    Buffer += 2;
+
+    /*
+     * Set the Range maximum base address
+     */
+    Temp16 = (UINT16) LinkedList->Data.Io.MaxBaseAddress;
+
+    ACPI_MOVE_UNALIGNED16_TO_16 (Buffer, &Temp16);
+    Buffer += 2;
+
+    /*
+     * Set the base alignment
+     */
+    Temp8 = (UINT8) LinkedList->Data.Io.Alignment;
+
+    *Buffer = Temp8;
+    Buffer += 1;
+
+    /*
+     * Set the range length
+     */
+    Temp8 = (UINT8) LinkedList->Data.Io.RangeLength;
+
+    *Buffer = Temp8;
+    Buffer += 1;
+
+    /*
+     * Return the number of bytes consumed in this operation
+     */
+    *BytesConsumed = ACPI_PTR_DIFF (Buffer, *OutputBuffer);
+    return_ACPI_STATUS (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiRsFixedIoStream
+ *
+ * PARAMETERS:  LinkedList              - Pointer to the resource linked list
+ *              OutputBuffer            - Pointer to the user's return buffer
+ *              BytesConsumed           - Pointer to where the number of bytes
+ *                                        used in the OutputBuffer is returned
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Take the linked list resource structure and fills in the
+ *              the appropriate bytes in a byte stream
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiRsFixedIoStream (
+    ACPI_RESOURCE           *LinkedList,
+    UINT8                   **OutputBuffer,
+    ACPI_SIZE               *BytesConsumed)
+{
+    UINT8                   *Buffer = *OutputBuffer;
+    UINT16                  Temp16 = 0;
+    UINT8                   Temp8 = 0;
+
+
+    ACPI_FUNCTION_TRACE ("RsFixedIoStream");
+
+
+    /*
+     * The descriptor field is static
+     */
+    *Buffer = 0x4B;
+
+    Buffer += 1;
+
+    /*
+     * Set the Range base address
+     */
+    Temp16 = (UINT16) LinkedList->Data.FixedIo.BaseAddress;
+
+    ACPI_MOVE_UNALIGNED16_TO_16 (Buffer, &Temp16);
+    Buffer += 2;
+
+    /*
+     * Set the range length
+     */
+    Temp8 = (UINT8) LinkedList->Data.FixedIo.RangeLength;
+
+    *Buffer = Temp8;
+    Buffer += 1;
+
+    /*
+     * Return the number of bytes consumed in this operation
+     */
+    *BytesConsumed = ACPI_PTR_DIFF (Buffer, *OutputBuffer);
+    return_ACPI_STATUS (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiRsDmaResource
+ *
+ * PARAMETERS:  ByteStreamBuffer        - Pointer to the resource input byte
+ *                                        stream
+ *              BytesConsumed           - Pointer to where the number of bytes
+ *                                        consumed the ByteStreamBuffer is
+ *                                        returned
+ *              OutputBuffer            - Pointer to the return data buffer
+ *              StructureSize           - Pointer to where the number of bytes
+ *                                        in the return data struct is returned
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Take the resource byte stream and fill out the appropriate
+ *              structure pointed to by the OutputBuffer.  Return the
+ *              number of bytes consumed from the byte stream.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiRsDmaResource (
+    UINT8                   *ByteStreamBuffer,
+    ACPI_SIZE               *BytesConsumed,
+    UINT8                   **OutputBuffer,
+    ACPI_SIZE               *StructureSize)
+{
+    UINT8                   *Buffer = ByteStreamBuffer;
+    ACPI_RESOURCE           *OutputStruct = (void *) *OutputBuffer;
+    UINT8                   Temp8 = 0;
+    UINT8                   Index;
+    UINT8                   i;
+    ACPI_SIZE               StructSize = ACPI_SIZEOF_RESOURCE (ACPI_RESOURCE_DMA);
+
+
+    ACPI_FUNCTION_TRACE ("RsDmaResource");
+
+
+    /*
+     * The number of bytes consumed are Constant
+     */
+    *BytesConsumed = 3;
+    OutputStruct->Id = ACPI_RSTYPE_DMA;
+
+    /*
+     * Point to the 8-bits of Byte 1
+     */
+    Buffer += 1;
+    Temp8 = *Buffer;
+
+    /* Decode the DMA channel bits */
+
+    for (i = 0, Index = 0; Index < 8; Index++)
+    {
+        if ((Temp8 >> Index) & 0x01)
+        {
+            OutputStruct->Data.Dma.Channels[i] = Index;
+            i++;
+        }
+    }
+
+    /* Zero DMA channels is valid */
+
+    OutputStruct->Data.Dma.NumberOfChannels = i;
+    if (i > 0)
+    {
+        /*
+         * Calculate the structure size based upon the number of interrupts
+         */
+        StructSize += ((ACPI_SIZE) i - 1) * 4;
+    }
+
+    /*
+     * Point to Byte 2
+     */
+    Buffer += 1;
+    Temp8 = *Buffer;
+
+    /*
+     * Check for transfer preference (Bits[1:0])
+     */
+    OutputStruct->Data.Dma.Transfer = Temp8 & 0x03;
+
+    if (0x03 == OutputStruct->Data.Dma.Transfer)
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Invalid DMA.Transfer preference (3)\n"));
+        return_ACPI_STATUS (AE_BAD_DATA);
+    }
+
+    /*
+     * Get bus master preference (Bit[2])
+     */
+    OutputStruct->Data.Dma.BusMaster = (Temp8 >> 2) & 0x01;
+
+    /*
+     * Get channel speed support (Bits[6:5])
+     */
+    OutputStruct->Data.Dma.Type = (Temp8 >> 5) & 0x03;
+
+    /*
+     * Set the Length parameter
+     */
+    OutputStruct->Length = (UINT32) StructSize;
+
+    /*
+     * Return the final size of the structure
+     */
+    *StructureSize = StructSize;
+    return_ACPI_STATUS (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiRsDmaStream
+ *
+ * PARAMETERS:  LinkedList              - Pointer to the resource linked list
+ *              OutputBuffer            - Pointer to the user's return buffer
+ *              BytesConsumed           - Pointer to where the number of bytes
+ *                                        used in the OutputBuffer is returned
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Take the linked list resource structure and fills in the
+ *              the appropriate bytes in a byte stream
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiRsDmaStream (
+    ACPI_RESOURCE           *LinkedList,
+    UINT8                   **OutputBuffer,
+    ACPI_SIZE               *BytesConsumed)
+{
+    UINT8                   *Buffer = *OutputBuffer;
+    UINT16                  Temp16 = 0;
+    UINT8                   Temp8 = 0;
+    UINT8                   Index;
+
+
+    ACPI_FUNCTION_TRACE ("RsDmaStream");
+
+
+    /*
+     * The descriptor field is static
+     */
+    *Buffer = 0x2A;
+    Buffer += 1;
+    Temp8 = 0;
+
+    /*
+     * Loop through all of the Channels and set the mask bits
+     */
+    for (Index = 0;
+         Index < LinkedList->Data.Dma.NumberOfChannels;
+         Index++)
+    {
+        Temp16 = (UINT16) LinkedList->Data.Dma.Channels[Index];
+        Temp8 |= 0x1 << Temp16;
+    }
+
+    *Buffer = Temp8;
+    Buffer += 1;
+
+    /*
+     * Set the DMA Info
+     */
+    Temp8 = (UINT8) ((LinkedList->Data.Dma.Type & 0x03) << 5);
+    Temp8 |= ((LinkedList->Data.Dma.BusMaster & 0x01) << 2);
+    Temp8 |= (LinkedList->Data.Dma.Transfer & 0x03);
+
+    *Buffer = Temp8;
+    Buffer += 1;
+
+    /*
+     * Return the number of bytes consumed in this operation
+     */
+    *BytesConsumed = ACPI_PTR_DIFF (Buffer, *OutputBuffer);
+    return_ACPI_STATUS (AE_OK);
+}
+
diff --git a/sys/contrib/dev/acpica/rsirq.c b/sys/contrib/dev/acpica/rsirq.c
new file mode 100644
index 0000000..12bc827
--- /dev/null
+++ b/sys/contrib/dev/acpica/rsirq.c
@@ -0,0 +1,671 @@
+/*******************************************************************************
+ *
+ * Module Name: rsirq - IRQ resource descriptors
+ *              $Revision: 30 $
+ *
+ ******************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+#define __RSIRQ_C__
+
+#include "acpi.h"
+#include "acresrc.h"
+
+#define _COMPONENT          ACPI_RESOURCES
+        ACPI_MODULE_NAME    ("rsirq")
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiRsIrqResource
+ *
+ * PARAMETERS:  ByteStreamBuffer        - Pointer to the resource input byte
+ *                                        stream
+ *              BytesConsumed           - Pointer to where the number of bytes
+ *                                        consumed the ByteStreamBuffer is
+ *                                        returned
+ *              OutputBuffer            - Pointer to the return data buffer
+ *              StructureSize           - Pointer to where the number of bytes
+ *                                        in the return data struct is returned
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Take the resource byte stream and fill out the appropriate
+ *              structure pointed to by the OutputBuffer.  Return the
+ *              number of bytes consumed from the byte stream.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiRsIrqResource (
+    UINT8                   *ByteStreamBuffer,
+    ACPI_SIZE               *BytesConsumed,
+    UINT8                   **OutputBuffer,
+    ACPI_SIZE               *StructureSize)
+{
+    UINT8                   *Buffer = ByteStreamBuffer;
+    ACPI_RESOURCE           *OutputStruct = (void *) *OutputBuffer;
+    UINT16                  Temp16 = 0;
+    UINT8                   Temp8 = 0;
+    UINT8                   Index;
+    UINT8                   i;
+    ACPI_SIZE               StructSize = ACPI_SIZEOF_RESOURCE (ACPI_RESOURCE_IRQ);
+
+
+    ACPI_FUNCTION_TRACE ("RsIrqResource");
+
+
+    /*
+     * The number of bytes consumed are contained in the descriptor
+     *  (Bits:0-1)
+     */
+    Temp8 = *Buffer;
+    *BytesConsumed = (Temp8 & 0x03) + 1;
+    OutputStruct->Id = ACPI_RSTYPE_IRQ;
+
+    /*
+     * Point to the 16-bits of Bytes 1 and 2
+     */
+    Buffer += 1;
+    ACPI_MOVE_UNALIGNED16_TO_16 (&Temp16, Buffer);
+
+    OutputStruct->Data.Irq.NumberOfInterrupts = 0;
+
+    /* Decode the IRQ bits */
+
+    for (i = 0, Index = 0; Index < 16; Index++)
+    {
+        if ((Temp16 >> Index) & 0x01)
+        {
+            OutputStruct->Data.Irq.Interrupts[i] = Index;
+            i++;
+        }
+    }
+
+    /* Zero interrupts is valid */
+
+    OutputStruct->Data.Irq.NumberOfInterrupts = i;
+    if (i > 0)
+    {
+        /*
+         * Calculate the structure size based upon the number of interrupts
+         */
+        StructSize += ((ACPI_SIZE) i - 1) * 4;
+    }
+
+    /*
+     * Point to Byte 3 if it is used
+     */
+    if (4 == *BytesConsumed)
+    {
+        Buffer += 2;
+        Temp8 = *Buffer;
+
+        /*
+         * Check for HE, LL or HL
+         */
+        if (Temp8 & 0x01)
+        {
+            OutputStruct->Data.Irq.EdgeLevel = ACPI_EDGE_SENSITIVE;
+            OutputStruct->Data.Irq.ActiveHighLow = ACPI_ACTIVE_HIGH;
+        }
+        else
+        {
+            if (Temp8 & 0x8)
+            {
+                OutputStruct->Data.Irq.EdgeLevel = ACPI_LEVEL_SENSITIVE;
+                OutputStruct->Data.Irq.ActiveHighLow = ACPI_ACTIVE_LOW;
+            }
+            else
+            {
+                /*
+                 * Only _LL and _HE polarity/trigger interrupts
+                 * are allowed (ACPI spec v1.0b ection 6.4.2.1),
+                 * so an error will occur if we reach this point
+                 */
+                ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Invalid interrupt polarity/trigger in resource list\n"));
+                return_ACPI_STATUS (AE_BAD_DATA);
+            }
+        }
+
+        /*
+         * Check for sharable
+         */
+        OutputStruct->Data.Irq.SharedExclusive = (Temp8 >> 3) & 0x01;
+    }
+    else
+    {
+        /*
+         * Assume Edge Sensitive, Active High, Non-Sharable
+         * per ACPI Specification
+         */
+        OutputStruct->Data.Irq.EdgeLevel = ACPI_EDGE_SENSITIVE;
+        OutputStruct->Data.Irq.ActiveHighLow = ACPI_ACTIVE_HIGH;
+        OutputStruct->Data.Irq.SharedExclusive = ACPI_EXCLUSIVE;
+    }
+
+    /*
+     * Set the Length parameter
+     */
+    OutputStruct->Length = (UINT32) StructSize;
+
+    /*
+     * Return the final size of the structure
+     */
+    *StructureSize = StructSize;
+    return_ACPI_STATUS (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiRsIrqStream
+ *
+ * PARAMETERS:  LinkedList              - Pointer to the resource linked list
+ *              OutputBuffer            - Pointer to the user's return buffer
+ *              BytesConsumed           - Pointer to where the number of bytes
+ *                                        used in the OutputBuffer is returned
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Take the linked list resource structure and fills in the
+ *              the appropriate bytes in a byte stream
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiRsIrqStream (
+    ACPI_RESOURCE           *LinkedList,
+    UINT8                   **OutputBuffer,
+    ACPI_SIZE               *BytesConsumed)
+{
+    UINT8                   *Buffer = *OutputBuffer;
+    UINT16                  Temp16 = 0;
+    UINT8                   Temp8 = 0;
+    UINT8                   Index;
+    BOOLEAN                 IRQInfoByteNeeded;
+
+
+    ACPI_FUNCTION_TRACE ("RsIrqStream");
+
+
+    /*
+     * The descriptor field is set based upon whether a third byte is
+     * needed to contain the IRQ Information.
+     */
+    if (ACPI_EDGE_SENSITIVE == LinkedList->Data.Irq.EdgeLevel &&
+        ACPI_ACTIVE_HIGH == LinkedList->Data.Irq.ActiveHighLow &&
+        ACPI_EXCLUSIVE == LinkedList->Data.Irq.SharedExclusive)
+    {
+        *Buffer = 0x22;
+        IRQInfoByteNeeded = FALSE;
+    }
+    else
+    {
+        *Buffer = 0x23;
+        IRQInfoByteNeeded = TRUE;
+    }
+
+    Buffer += 1;
+    Temp16 = 0;
+
+    /*
+     * Loop through all of the interrupts and set the mask bits
+     */
+    for(Index = 0;
+        Index < LinkedList->Data.Irq.NumberOfInterrupts;
+        Index++)
+    {
+        Temp8 = (UINT8) LinkedList->Data.Irq.Interrupts[Index];
+        Temp16 |= 0x1 << Temp8;
+    }
+
+    ACPI_MOVE_UNALIGNED16_TO_16 (Buffer, &Temp16);
+    Buffer += 2;
+
+    /*
+     * Set the IRQ Info byte if needed.
+     */
+    if (IRQInfoByteNeeded)
+    {
+        Temp8 = 0;
+        Temp8 = (UINT8) ((LinkedList->Data.Irq.SharedExclusive &
+                          0x01) << 4);
+
+        if (ACPI_LEVEL_SENSITIVE == LinkedList->Data.Irq.EdgeLevel &&
+            ACPI_ACTIVE_LOW == LinkedList->Data.Irq.ActiveHighLow)
+        {
+            Temp8 |= 0x08;
+        }
+        else
+        {
+            Temp8 |= 0x01;
+        }
+
+        *Buffer = Temp8;
+        Buffer += 1;
+    }
+
+    /*
+     * Return the number of bytes consumed in this operation
+     */
+    *BytesConsumed = ACPI_PTR_DIFF (Buffer, *OutputBuffer);
+    return_ACPI_STATUS (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiRsExtendedIrqResource
+ *
+ * PARAMETERS:  ByteStreamBuffer        - Pointer to the resource input byte
+ *                                        stream
+ *              BytesConsumed           - Pointer to where the number of bytes
+ *                                        consumed the ByteStreamBuffer is
+ *                                        returned
+ *              OutputBuffer            - Pointer to the return data buffer
+ *              StructureSize           - Pointer to where the number of bytes
+ *                                        in the return data struct is returned
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Take the resource byte stream and fill out the appropriate
+ *              structure pointed to by the OutputBuffer.  Return the
+ *              number of bytes consumed from the byte stream.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiRsExtendedIrqResource (
+    UINT8                   *ByteStreamBuffer,
+    ACPI_SIZE               *BytesConsumed,
+    UINT8                   **OutputBuffer,
+    ACPI_SIZE               *StructureSize)
+{
+    UINT8                   *Buffer = ByteStreamBuffer;
+    ACPI_RESOURCE           *OutputStruct = (void *) *OutputBuffer;
+    UINT16                  Temp16 = 0;
+    UINT8                   Temp8 = 0;
+    UINT8                   *TempPtr;
+    UINT8                   Index;
+    ACPI_SIZE               StructSize = ACPI_SIZEOF_RESOURCE (ACPI_RESOURCE_EXT_IRQ);
+
+
+    ACPI_FUNCTION_TRACE ("RsExtendedIrqResource");
+
+
+    /*
+     * Point past the Descriptor to get the number of bytes consumed
+     */
+    Buffer += 1;
+    ACPI_MOVE_UNALIGNED16_TO_16 (&Temp16, Buffer);
+
+    *BytesConsumed = Temp16 + 3;
+    OutputStruct->Id = ACPI_RSTYPE_EXT_IRQ;
+
+    /*
+     * Point to the Byte3
+     */
+    Buffer += 2;
+    Temp8 = *Buffer;
+
+    OutputStruct->Data.ExtendedIrq.ProducerConsumer = Temp8 & 0x01;
+
+    /*
+     * Check for Interrupt Mode
+     *
+     * The definition of an Extended IRQ changed between ACPI spec v1.0b
+     * and ACPI spec 2.0 (section 6.4.3.6 in both).
+     *
+     * - Edge/Level are defined opposite in the table vs the headers
+     */
+    OutputStruct->Data.ExtendedIrq.EdgeLevel =
+                        (Temp8 & 0x2) ? ACPI_EDGE_SENSITIVE : ACPI_LEVEL_SENSITIVE;
+
+    /*
+     * Check Interrupt Polarity
+     */
+    OutputStruct->Data.ExtendedIrq.ActiveHighLow = (Temp8 >> 2) & 0x1;
+
+    /*
+     * Check for sharable
+     */
+    OutputStruct->Data.ExtendedIrq.SharedExclusive = (Temp8 >> 3) & 0x01;
+
+    /*
+     * Point to Byte4 (IRQ Table length)
+     */
+    Buffer += 1;
+    Temp8 = *Buffer;
+
+    OutputStruct->Data.ExtendedIrq.NumberOfInterrupts = Temp8;
+
+    /*
+     * Add any additional structure size to properly calculate
+     * the next pointer at the end of this function
+     */
+    StructSize += (Temp8 - 1) * 4;
+
+    /*
+     * Point to Byte5 (First IRQ Number)
+     */
+    Buffer += 1;
+
+    /*
+     * Cycle through every IRQ in the table
+     */
+    for (Index = 0; Index < Temp8; Index++)
+    {
+        ACPI_MOVE_UNALIGNED32_TO_32 (
+            &OutputStruct->Data.ExtendedIrq.Interrupts[Index], Buffer);
+
+        /* Point to the next IRQ */
+
+        Buffer += 4;
+    }
+
+    /*
+     * This will leave us pointing to the Resource Source Index
+     * If it is present, then save it off and calculate the
+     * pointer to where the null terminated string goes:
+     * Each Interrupt takes 32-bits + the 5 bytes of the
+     * stream that are default.
+     */
+    if (*BytesConsumed >
+        ((ACPI_SIZE) OutputStruct->Data.ExtendedIrq.NumberOfInterrupts * 4) + 5)
+    {
+        /* Dereference the Index */
+
+        Temp8 = *Buffer;
+        OutputStruct->Data.ExtendedIrq.ResourceSource.Index = (UINT32) Temp8;
+
+        /* Point to the String */
+
+        Buffer += 1;
+
+        /*
+         * Point the String pointer to the end of this structure.
+         */
+        OutputStruct->Data.ExtendedIrq.ResourceSource.StringPtr =
+                (NATIVE_CHAR *)(OutputStruct + StructSize);
+
+        TempPtr = (UINT8 *) OutputStruct->Data.ExtendedIrq.ResourceSource.StringPtr;
+
+        /* Copy the string into the buffer */
+
+        Index = 0;
+        while (0x00 != *Buffer)
+        {
+            *TempPtr = *Buffer;
+
+            TempPtr += 1;
+            Buffer += 1;
+            Index += 1;
+        }
+
+        /*
+         * Add the terminating null
+         */
+        *TempPtr = 0x00;
+        OutputStruct->Data.ExtendedIrq.ResourceSource.StringLength = Index + 1;
+
+        /*
+         * In order for the StructSize to fall on a 32-bit boundary,
+         * calculate the length of the string and expand the
+         * StructSize to the next 32-bit boundary.
+         */
+        Temp8 = (UINT8) (Index + 1);
+        StructSize += ACPI_ROUND_UP_TO_32BITS (Temp8);
+    }
+    else
+    {
+        OutputStruct->Data.ExtendedIrq.ResourceSource.Index = 0x00;
+        OutputStruct->Data.ExtendedIrq.ResourceSource.StringLength = 0;
+        OutputStruct->Data.ExtendedIrq.ResourceSource.StringPtr = NULL;
+    }
+
+    /*
+     * Set the Length parameter
+     */
+    OutputStruct->Length = (UINT32) StructSize;
+
+    /*
+     * Return the final size of the structure
+     */
+    *StructureSize = StructSize;
+    return_ACPI_STATUS (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiRsExtendedIrqStream
+ *
+ * PARAMETERS:  LinkedList              - Pointer to the resource linked list
+ *              OutputBuffer            - Pointer to the user's return buffer
+ *              BytesConsumed           - Pointer to where the number of bytes
+ *                                        used in the OutputBuffer is returned
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Take the linked list resource structure and fills in the
+ *              the appropriate bytes in a byte stream
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiRsExtendedIrqStream (
+    ACPI_RESOURCE           *LinkedList,
+    UINT8                   **OutputBuffer,
+    ACPI_SIZE               *BytesConsumed)
+{
+    UINT8                   *Buffer = *OutputBuffer;
+    UINT16                  *LengthField;
+    UINT8                   Temp8 = 0;
+    UINT8                   Index;
+    NATIVE_CHAR             *TempPointer = NULL;
+
+
+    ACPI_FUNCTION_TRACE ("RsExtendedIrqStream");
+
+
+    /*
+     * The descriptor field is static
+     */
+    *Buffer = 0x89;
+    Buffer += 1;
+
+    /*
+     * Set a pointer to the Length field - to be filled in later
+     */
+    LengthField = ACPI_CAST_PTR (UINT16, Buffer);
+    Buffer += 2;
+
+    /*
+     * Set the Interrupt vector flags
+     */
+    Temp8 = (UINT8)(LinkedList->Data.ExtendedIrq.ProducerConsumer & 0x01);
+    Temp8 |= ((LinkedList->Data.ExtendedIrq.SharedExclusive & 0x01) << 3);
+
+    /*
+     * Set the Interrupt Mode
+     *
+     * The definition of an Extended IRQ changed between ACPI spec v1.0b
+     * and ACPI spec 2.0 (section 6.4.3.6 in both).  This code does not
+     * implement the more restrictive definition of 1.0b
+     *
+     * - Edge/Level are defined opposite in the table vs the headers
+     */
+    if (ACPI_EDGE_SENSITIVE == LinkedList->Data.ExtendedIrq.EdgeLevel)
+    {
+        Temp8 |= 0x2;
+    }
+
+    /*
+     * Set the Interrupt Polarity
+     */
+    Temp8 |= ((LinkedList->Data.ExtendedIrq.ActiveHighLow & 0x1) << 2);
+
+    *Buffer = Temp8;
+    Buffer += 1;
+
+    /*
+     * Set the Interrupt table length
+     */
+    Temp8 = (UINT8) LinkedList->Data.ExtendedIrq.NumberOfInterrupts;
+
+    *Buffer = Temp8;
+    Buffer += 1;
+
+    for (Index = 0; Index < LinkedList->Data.ExtendedIrq.NumberOfInterrupts;
+         Index++)
+    {
+        ACPI_MOVE_UNALIGNED32_TO_32 (Buffer,
+                        &LinkedList->Data.ExtendedIrq.Interrupts[Index]);
+        Buffer += 4;
+    }
+
+    /*
+     * Resource Source Index and Resource Source are optional
+     */
+    if (0 != LinkedList->Data.ExtendedIrq.ResourceSource.StringLength)
+    {
+        *Buffer = (UINT8) LinkedList->Data.ExtendedIrq.ResourceSource.Index;
+        Buffer += 1;
+
+        TempPointer = (NATIVE_CHAR *) Buffer;
+
+        /*
+         * Copy the string
+         */
+        ACPI_STRCPY (TempPointer,
+            LinkedList->Data.ExtendedIrq.ResourceSource.StringPtr);
+
+        /*
+         * Buffer needs to be set to the length of the sting + one for the
+         * terminating null
+         */
+        Buffer += (ACPI_STRLEN (LinkedList->Data.ExtendedIrq.ResourceSource.StringPtr) + 1);
+    }
+
+    /*
+     * Return the number of bytes consumed in this operation
+     */
+    *BytesConsumed = ACPI_PTR_DIFF (Buffer, *OutputBuffer);
+
+    /*
+     * Set the length field to the number of bytes consumed
+     * minus the header size (3 bytes)
+     */
+    *LengthField = (UINT16) (*BytesConsumed - 3);
+    return_ACPI_STATUS (AE_OK);
+}
+
diff --git a/sys/contrib/dev/acpica/rslist.c b/sys/contrib/dev/acpica/rslist.c
new file mode 100644
index 0000000..196873e
--- /dev/null
+++ b/sys/contrib/dev/acpica/rslist.c
@@ -0,0 +1,599 @@
+/*******************************************************************************
+ *
+ * Module Name: rslist - Linked list utilities
+ *              $Revision: 31 $
+ *
+ ******************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+#define __RSLIST_C__
+
+#include "acpi.h"
+#include "acresrc.h"
+
+#define _COMPONENT          ACPI_RESOURCES
+        ACPI_MODULE_NAME    ("rslist")
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiRsGetResourceType
+ *
+ * PARAMETERS:  ResourceStartByte       - Byte 0 of a resource descriptor
+ *
+ * RETURN:      The Resource Type (Name) with no extraneous bits
+ *
+ * DESCRIPTION: Extract the Resource Type/Name from the first byte of
+ *              a resource descriptor.
+ *
+ ******************************************************************************/
+
+UINT8
+AcpiRsGetResourceType (
+    UINT8                   ResourceStartByte)
+{
+
+    ACPI_FUNCTION_ENTRY ();
+
+
+    /*
+     * Determine if this is a small or large resource
+     */
+    switch (ResourceStartByte & ACPI_RDESC_TYPE_MASK)
+    {
+    case ACPI_RDESC_TYPE_SMALL:
+
+        /*
+         * Small Resource Type -- Only bits 6:3 are valid
+         */
+        return ((UINT8) (ResourceStartByte & ACPI_RDESC_SMALL_MASK));
+
+
+    case ACPI_RDESC_TYPE_LARGE:
+
+        /*
+         * Large Resource Type -- All bits are valid
+         */
+        return (ResourceStartByte);
+
+
+    default:
+        /* No other types of resource descriptor */
+        break;
+    }
+
+    return (0xFF);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiRsByteStreamToList
+ *
+ * PARAMETERS:  ByteStreamBuffer        - Pointer to the resource byte stream
+ *              ByteStreamBufferLength  - Length of ByteStreamBuffer
+ *              OutputBuffer            - Pointer to the buffer that will
+ *                                        contain the output structures
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Takes the resource byte stream and parses it, creating a
+ *              linked list of resources in the caller's output buffer
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiRsByteStreamToList (
+    UINT8                   *ByteStreamBuffer,
+    UINT32                  ByteStreamBufferLength,
+    UINT8                   *OutputBuffer)
+{
+    ACPI_STATUS             Status;
+    ACPI_SIZE               BytesParsed = 0;
+    UINT8                   ResourceType = 0;
+    ACPI_SIZE               BytesConsumed = 0;
+    UINT8                   *Buffer = OutputBuffer;
+    ACPI_SIZE               StructureSize = 0;
+    BOOLEAN                 EndTagProcessed = FALSE;
+    ACPI_RESOURCE           *Resource;
+
+    ACPI_FUNCTION_TRACE ("RsByteStreamToList");
+
+
+    while (BytesParsed < ByteStreamBufferLength &&
+            !EndTagProcessed)
+    {
+        /*
+         * The next byte in the stream is the resource type
+         */
+        ResourceType = AcpiRsGetResourceType (*ByteStreamBuffer);
+
+        switch (ResourceType)
+        {
+        case ACPI_RDESC_TYPE_MEMORY_24:
+            /*
+             * 24-Bit Memory Resource
+             */
+            Status = AcpiRsMemory24Resource (ByteStreamBuffer,
+                        &BytesConsumed, &Buffer, &StructureSize);
+            break;
+
+
+        case ACPI_RDESC_TYPE_LARGE_VENDOR:
+            /*
+             * Vendor Defined Resource
+             */
+            Status = AcpiRsVendorResource (ByteStreamBuffer,
+                        &BytesConsumed, &Buffer, &StructureSize);
+            break;
+
+
+        case ACPI_RDESC_TYPE_MEMORY_32:
+            /*
+             * 32-Bit Memory Range Resource
+             */
+            Status = AcpiRsMemory32RangeResource (ByteStreamBuffer,
+                        &BytesConsumed, &Buffer, &StructureSize);
+            break;
+
+
+        case ACPI_RDESC_TYPE_FIXED_MEMORY_32:
+            /*
+             * 32-Bit Fixed Memory Resource
+             */
+            Status = AcpiRsFixedMemory32Resource (ByteStreamBuffer,
+                        &BytesConsumed, &Buffer, &StructureSize);
+            break;
+
+
+        case ACPI_RDESC_TYPE_QWORD_ADDRESS_SPACE:
+            /*
+             * 64-Bit Address Resource
+             */
+            Status = AcpiRsAddress64Resource (ByteStreamBuffer,
+                        &BytesConsumed, &Buffer, &StructureSize);
+            break;
+
+
+        case ACPI_RDESC_TYPE_DWORD_ADDRESS_SPACE:
+            /*
+             * 32-Bit Address Resource
+             */
+            Status = AcpiRsAddress32Resource (ByteStreamBuffer,
+                        &BytesConsumed, &Buffer, &StructureSize);
+            break;
+
+
+        case ACPI_RDESC_TYPE_WORD_ADDRESS_SPACE:
+            /*
+             * 16-Bit Address Resource
+             */
+            Status = AcpiRsAddress16Resource (ByteStreamBuffer,
+                        &BytesConsumed, &Buffer, &StructureSize);
+            break;
+
+
+        case ACPI_RDESC_TYPE_EXTENDED_XRUPT:
+            /*
+             * Extended IRQ
+             */
+            Status = AcpiRsExtendedIrqResource (ByteStreamBuffer,
+                        &BytesConsumed, &Buffer, &StructureSize);
+            break;
+
+
+        case ACPI_RDESC_TYPE_IRQ_FORMAT:
+            /*
+             * IRQ Resource
+             */
+            Status = AcpiRsIrqResource (ByteStreamBuffer,
+                        &BytesConsumed, &Buffer, &StructureSize);
+            break;
+
+
+        case ACPI_RDESC_TYPE_DMA_FORMAT:
+            /*
+             * DMA Resource
+             */
+            Status = AcpiRsDmaResource (ByteStreamBuffer,
+                        &BytesConsumed, &Buffer, &StructureSize);
+            break;
+
+
+        case ACPI_RDESC_TYPE_START_DEPENDENT:
+            /*
+             * Start Dependent Functions Resource
+             */
+            Status = AcpiRsStartDependFnsResource (ByteStreamBuffer,
+                        &BytesConsumed, &Buffer, &StructureSize);
+            break;
+
+
+        case ACPI_RDESC_TYPE_END_DEPENDENT:
+            /*
+             * End Dependent Functions Resource
+             */
+            Status = AcpiRsEndDependFnsResource (ByteStreamBuffer,
+                        &BytesConsumed, &Buffer, &StructureSize);
+            break;
+
+
+        case ACPI_RDESC_TYPE_IO_PORT:
+            /*
+             * IO Port Resource
+             */
+            Status = AcpiRsIoResource (ByteStreamBuffer,
+                        &BytesConsumed, &Buffer, &StructureSize);
+            break;
+
+
+        case ACPI_RDESC_TYPE_FIXED_IO_PORT:
+            /*
+             * Fixed IO Port Resource
+             */
+            Status = AcpiRsFixedIoResource (ByteStreamBuffer,
+                        &BytesConsumed, &Buffer, &StructureSize);
+            break;
+
+
+        case ACPI_RDESC_TYPE_SMALL_VENDOR:
+            /*
+             * Vendor Specific Resource
+             */
+            Status = AcpiRsVendorResource (ByteStreamBuffer,
+                        &BytesConsumed, &Buffer, &StructureSize);
+            break;
+
+
+        case ACPI_RDESC_TYPE_END_TAG:
+            /*
+             * End Tag
+             */
+            EndTagProcessed = TRUE;
+            Status = AcpiRsEndTagResource (ByteStreamBuffer,
+                        &BytesConsumed, &Buffer, &StructureSize);
+            break;
+
+
+        default:
+            /*
+             * Invalid/Unknown resource type
+             */
+            Status = AE_AML_INVALID_RESOURCE_TYPE;
+            break;
+        }
+
+        if (ACPI_FAILURE (Status))
+        {
+            return_ACPI_STATUS (Status);
+        }
+
+        /*
+         * Update the return value and counter
+         */
+        BytesParsed += BytesConsumed;
+
+        /*
+         * Set the byte stream to point to the next resource
+         */
+        ByteStreamBuffer += BytesConsumed;
+
+        /*
+         * Set the Buffer to the next structure
+         */
+        Resource = ACPI_CAST_PTR (ACPI_RESOURCE, Buffer);
+        Resource->Length = ACPI_ALIGN_RESOURCE_SIZE(Resource->Length);
+        Buffer += ACPI_ALIGN_RESOURCE_SIZE(StructureSize);
+
+    } /*  end while */
+
+    /*
+     * Check the reason for exiting the while loop
+     */
+    if (!EndTagProcessed)
+    {
+        return_ACPI_STATUS (AE_AML_NO_RESOURCE_END_TAG);
+    }
+
+    return_ACPI_STATUS (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiRsListToByteStream
+ *
+ * PARAMETERS:  LinkedList              - Pointer to the resource linked list
+ *              ByteSteamSizeNeeded     - Calculated size of the byte stream
+ *                                        needed from calling
+ *                                        AcpiRsGetByteStreamLength()
+ *                                        The size of the OutputBuffer is
+ *                                        guaranteed to be >=
+ *                                        ByteStreamSizeNeeded
+ *              OutputBuffer            - Pointer to the buffer that will
+ *                                        contain the byte stream
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Takes the resource linked list and parses it, creating a
+ *              byte stream of resources in the caller's output buffer
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiRsListToByteStream (
+    ACPI_RESOURCE           *LinkedList,
+    ACPI_SIZE               ByteStreamSizeNeeded,
+    UINT8                   *OutputBuffer)
+{
+    ACPI_STATUS             Status;
+    UINT8                   *Buffer = OutputBuffer;
+    ACPI_SIZE               BytesConsumed = 0;
+    BOOLEAN                 Done = FALSE;
+
+
+    ACPI_FUNCTION_TRACE ("RsListToByteStream");
+
+
+    while (!Done)
+    {
+        switch (LinkedList->Id)
+        {
+        case ACPI_RSTYPE_IRQ:
+            /*
+             * IRQ Resource
+             */
+            Status = AcpiRsIrqStream (LinkedList, &Buffer, &BytesConsumed);
+            break;
+
+        case ACPI_RSTYPE_DMA:
+            /*
+             * DMA Resource
+             */
+            Status = AcpiRsDmaStream (LinkedList, &Buffer, &BytesConsumed);
+            break;
+
+        case ACPI_RSTYPE_START_DPF:
+            /*
+             * Start Dependent Functions Resource
+             */
+            Status = AcpiRsStartDependFnsStream (LinkedList,
+                            &Buffer, &BytesConsumed);
+            break;
+
+        case ACPI_RSTYPE_END_DPF:
+            /*
+             * End Dependent Functions Resource
+             */
+            Status = AcpiRsEndDependFnsStream (LinkedList,
+                            &Buffer, &BytesConsumed);
+            break;
+
+        case ACPI_RSTYPE_IO:
+            /*
+             * IO Port Resource
+             */
+            Status = AcpiRsIoStream (LinkedList, &Buffer, &BytesConsumed);
+            break;
+
+        case ACPI_RSTYPE_FIXED_IO:
+            /*
+             * Fixed IO Port Resource
+             */
+            Status = AcpiRsFixedIoStream (LinkedList, &Buffer, &BytesConsumed);
+            break;
+
+        case ACPI_RSTYPE_VENDOR:
+            /*
+             * Vendor Defined Resource
+             */
+            Status = AcpiRsVendorStream (LinkedList, &Buffer, &BytesConsumed);
+            break;
+
+        case ACPI_RSTYPE_END_TAG:
+            /*
+             * End Tag
+             */
+            Status = AcpiRsEndTagStream (LinkedList, &Buffer, &BytesConsumed);
+
+            /*
+             * An End Tag indicates the end of the Resource Template
+             */
+            Done = TRUE;
+            break;
+
+        case ACPI_RSTYPE_MEM24:
+            /*
+             * 24-Bit Memory Resource
+             */
+            Status = AcpiRsMemory24Stream (LinkedList, &Buffer, &BytesConsumed);
+            break;
+
+        case ACPI_RSTYPE_MEM32:
+            /*
+             * 32-Bit Memory Range Resource
+             */
+            Status = AcpiRsMemory32RangeStream (LinkedList, &Buffer,
+                        &BytesConsumed);
+            break;
+
+        case ACPI_RSTYPE_FIXED_MEM32:
+            /*
+             * 32-Bit Fixed Memory Resource
+             */
+            Status = AcpiRsFixedMemory32Stream (LinkedList, &Buffer,
+                        &BytesConsumed);
+            break;
+
+        case ACPI_RSTYPE_ADDRESS16:
+            /*
+             * 16-Bit Address Descriptor Resource
+             */
+            Status = AcpiRsAddress16Stream (LinkedList, &Buffer,
+                        &BytesConsumed);
+            break;
+
+        case ACPI_RSTYPE_ADDRESS32:
+            /*
+             * 32-Bit Address Descriptor Resource
+             */
+            Status = AcpiRsAddress32Stream (LinkedList, &Buffer,
+                        &BytesConsumed);
+            break;
+
+        case ACPI_RSTYPE_ADDRESS64:
+            /*
+             * 64-Bit Address Descriptor Resource
+             */
+            Status = AcpiRsAddress64Stream (LinkedList, &Buffer,
+                        &BytesConsumed);
+            break;
+
+        case ACPI_RSTYPE_EXT_IRQ:
+            /*
+             * Extended IRQ Resource
+             */
+            Status = AcpiRsExtendedIrqStream (LinkedList, &Buffer,
+                        &BytesConsumed);
+            break;
+
+        default:
+            /*
+             * If we get here, everything is out of sync,
+             *  so exit with an error
+             */
+            ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Invalid descriptor type (%X) in resource list\n",
+                LinkedList->Id));
+            Status = AE_BAD_DATA;
+            break;
+
+        } /* switch (LinkedList->Id) */
+
+        if (ACPI_FAILURE (Status))
+        {
+            return_ACPI_STATUS (Status);
+        }
+
+        /*
+         * Set the Buffer to point to the open byte
+         */
+        Buffer += BytesConsumed;
+
+        /*
+         * Point to the next object
+         */
+        LinkedList = ACPI_PTR_ADD (ACPI_RESOURCE,
+                        LinkedList, LinkedList->Length);
+    }
+
+    return_ACPI_STATUS (AE_OK);
+}
+
diff --git a/sys/contrib/dev/acpica/rsmemory.c b/sys/contrib/dev/acpica/rsmemory.c
new file mode 100644
index 0000000..eafd17f
--- /dev/null
+++ b/sys/contrib/dev/acpica/rsmemory.c
@@ -0,0 +1,644 @@
+/*******************************************************************************
+ *
+ * Module Name: rsmem24 - Memory resource descriptors
+ *              $Revision: 20 $
+ *
+ ******************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+#define __RSMEMORY_C__
+
+#include "acpi.h"
+#include "acresrc.h"
+
+#define _COMPONENT          ACPI_RESOURCES
+        ACPI_MODULE_NAME    ("rsmemory")
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiRsMemory24Resource
+ *
+ * PARAMETERS:  ByteStreamBuffer        - Pointer to the resource input byte
+ *                                        stream
+ *              BytesConsumed           - Pointer to where the number of bytes
+ *                                        consumed the ByteStreamBuffer is
+ *                                        returned
+ *              OutputBuffer            - Pointer to the return data buffer
+ *              StructureSize           - Pointer to where the number of bytes
+ *                                        in the return data struct is returned
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Take the resource byte stream and fill out the appropriate
+ *              structure pointed to by the OutputBuffer.  Return the
+ *              number of bytes consumed from the byte stream.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiRsMemory24Resource (
+    UINT8                   *ByteStreamBuffer,
+    ACPI_SIZE               *BytesConsumed,
+    UINT8                   **OutputBuffer,
+    ACPI_SIZE               *StructureSize)
+{
+    UINT8                   *Buffer = ByteStreamBuffer;
+    ACPI_RESOURCE           *OutputStruct = (void *) *OutputBuffer;
+    UINT16                  Temp16 = 0;
+    UINT8                   Temp8 = 0;
+    ACPI_SIZE               StructSize = ACPI_SIZEOF_RESOURCE (ACPI_RESOURCE_MEM24);
+
+
+    ACPI_FUNCTION_TRACE ("RsMemory24Resource");
+
+
+    /*
+     * Point past the Descriptor to get the number of bytes consumed
+     */
+    Buffer += 1;
+
+    ACPI_MOVE_UNALIGNED16_TO_16 (&Temp16, Buffer);
+    Buffer += 2;
+    *BytesConsumed = (ACPI_SIZE) Temp16 + 3;
+    OutputStruct->Id = ACPI_RSTYPE_MEM24;
+
+    /*
+     * Check Byte 3 the Read/Write bit
+     */
+    Temp8 = *Buffer;
+    Buffer += 1;
+    OutputStruct->Data.Memory24.ReadWriteAttribute = Temp8 & 0x01;
+
+    /*
+     * Get MinBaseAddress (Bytes 4-5)
+     */
+    ACPI_MOVE_UNALIGNED16_TO_16 (&Temp16, Buffer);
+    Buffer += 2;
+    OutputStruct->Data.Memory24.MinBaseAddress = Temp16;
+
+    /*
+     * Get MaxBaseAddress (Bytes 6-7)
+     */
+    ACPI_MOVE_UNALIGNED16_TO_16 (&Temp16, Buffer);
+    Buffer += 2;
+    OutputStruct->Data.Memory24.MaxBaseAddress = Temp16;
+
+    /*
+     * Get Alignment (Bytes 8-9)
+     */
+    ACPI_MOVE_UNALIGNED16_TO_16 (&Temp16, Buffer);
+    Buffer += 2;
+    OutputStruct->Data.Memory24.Alignment = Temp16;
+
+    /*
+     * Get RangeLength (Bytes 10-11)
+     */
+    ACPI_MOVE_UNALIGNED16_TO_16 (&Temp16, Buffer);
+    OutputStruct->Data.Memory24.RangeLength = Temp16;
+
+    /*
+     * Set the Length parameter
+     */
+    OutputStruct->Length = (UINT32) StructSize;
+
+    /*
+     * Return the final size of the structure
+     */
+    *StructureSize = StructSize;
+    return_ACPI_STATUS (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiRsMemory24Stream
+ *
+ * PARAMETERS:  LinkedList              - Pointer to the resource linked list
+ *              OutputBuffer            - Pointer to the user's return buffer
+ *              BytesConsumed           - Pointer to where the number of bytes
+ *                                        used in the OutputBuffer is returned
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Take the linked list resource structure and fills in the
+ *              the appropriate bytes in a byte stream
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiRsMemory24Stream (
+    ACPI_RESOURCE           *LinkedList,
+    UINT8                   **OutputBuffer,
+    ACPI_SIZE               *BytesConsumed)
+{
+    UINT8                   *Buffer = *OutputBuffer;
+    UINT16                  Temp16 = 0;
+    UINT8                   Temp8 = 0;
+
+
+    ACPI_FUNCTION_TRACE ("RsMemory24Stream");
+
+
+    /*
+     * The descriptor field is static
+     */
+    *Buffer = 0x81;
+    Buffer += 1;
+
+    /*
+     * The length field is static
+     */
+    Temp16 = 0x09;
+    ACPI_MOVE_UNALIGNED16_TO_16 (Buffer, &Temp16);
+    Buffer += 2;
+
+    /*
+     * Set the Information Byte
+     */
+    Temp8 = (UINT8) (LinkedList->Data.Memory24.ReadWriteAttribute & 0x01);
+    *Buffer = Temp8;
+    Buffer += 1;
+
+    /*
+     * Set the Range minimum base address
+     */
+    ACPI_MOVE_UNALIGNED16_TO_16 (Buffer, &LinkedList->Data.Memory24.MinBaseAddress);
+    Buffer += 2;
+
+    /*
+     * Set the Range maximum base address
+     */
+    ACPI_MOVE_UNALIGNED16_TO_16 (Buffer, &LinkedList->Data.Memory24.MaxBaseAddress);
+    Buffer += 2;
+
+    /*
+     * Set the base alignment
+     */
+    ACPI_MOVE_UNALIGNED16_TO_16 (Buffer, &LinkedList->Data.Memory24.Alignment);
+    Buffer += 2;
+
+    /*
+     * Set the range length
+     */
+    ACPI_MOVE_UNALIGNED16_TO_16 (Buffer, &LinkedList->Data.Memory24.RangeLength);
+    Buffer += 2;
+
+    /*
+     * Return the number of bytes consumed in this operation
+     */
+    *BytesConsumed = ACPI_PTR_DIFF (Buffer, *OutputBuffer);
+    return_ACPI_STATUS (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiRsMemory32RangeResource
+ *
+ * PARAMETERS:  ByteStreamBuffer        - Pointer to the resource input byte
+ *                                        stream
+ *              BytesConsumed           - Pointer to where the number of bytes
+ *                                        consumed the ByteStreamBuffer is
+ *                                        returned
+ *              OutputBuffer            - Pointer to the return data buffer
+ *              StructureSize           - Pointer to where the number of bytes
+ *                                        in the return data struct is returned
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Take the resource byte stream and fill out the appropriate
+ *              structure pointed to by the OutputBuffer.  Return the
+ *              number of bytes consumed from the byte stream.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiRsMemory32RangeResource (
+    UINT8                   *ByteStreamBuffer,
+    ACPI_SIZE               *BytesConsumed,
+    UINT8                   **OutputBuffer,
+    ACPI_SIZE               *StructureSize)
+{
+    UINT8                   *Buffer = ByteStreamBuffer;
+    ACPI_RESOURCE           *OutputStruct = (void *) *OutputBuffer;
+    UINT16                  Temp16 = 0;
+    UINT8                   Temp8 = 0;
+    ACPI_SIZE               StructSize = ACPI_SIZEOF_RESOURCE (ACPI_RESOURCE_MEM32);
+
+
+    ACPI_FUNCTION_TRACE ("RsMemory32RangeResource");
+
+
+    /*
+     * Point past the Descriptor to get the number of bytes consumed
+     */
+    Buffer += 1;
+
+    ACPI_MOVE_UNALIGNED16_TO_16 (&Temp16, Buffer);
+    Buffer += 2;
+    *BytesConsumed = (ACPI_SIZE) Temp16 + 3;
+
+    OutputStruct->Id = ACPI_RSTYPE_MEM32;
+
+    /*
+     *  Point to the place in the output buffer where the data portion will
+     *  begin.
+     *  1. Set the RESOURCE_DATA * Data to point to it's own address, then
+     *  2. Set the pointer to the next address.
+     *
+     *  NOTE: OutputStruct->Data is cast to UINT8, otherwise, this addition adds
+     *  4 * sizeof(RESOURCE_DATA) instead of 4 * sizeof(UINT8)
+     */
+
+    /*
+     * Check Byte 3 the Read/Write bit
+     */
+    Temp8 = *Buffer;
+    Buffer += 1;
+
+    OutputStruct->Data.Memory32.ReadWriteAttribute = Temp8 & 0x01;
+
+    /*
+     * Get MinBaseAddress (Bytes 4-7)
+     */
+    ACPI_MOVE_UNALIGNED32_TO_32 (&OutputStruct->Data.Memory32.MinBaseAddress,
+                            Buffer);
+    Buffer += 4;
+
+    /*
+     * Get MaxBaseAddress (Bytes 8-11)
+     */
+    ACPI_MOVE_UNALIGNED32_TO_32 (&OutputStruct->Data.Memory32.MaxBaseAddress,
+                            Buffer);
+    Buffer += 4;
+
+    /*
+     * Get Alignment (Bytes 12-15)
+     */
+    ACPI_MOVE_UNALIGNED32_TO_32 (&OutputStruct->Data.Memory32.Alignment, Buffer);
+    Buffer += 4;
+
+    /*
+     * Get RangeLength (Bytes 16-19)
+     */
+    ACPI_MOVE_UNALIGNED32_TO_32 (&OutputStruct->Data.Memory32.RangeLength, Buffer);
+
+    /*
+     * Set the Length parameter
+     */
+    OutputStruct->Length = (UINT32) StructSize;
+
+    /*
+     * Return the final size of the structure
+     */
+    *StructureSize = StructSize;
+    return_ACPI_STATUS (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiRsFixedMemory32Resource
+ *
+ * PARAMETERS:  ByteStreamBuffer        - Pointer to the resource input byte
+ *                                        stream
+ *              BytesConsumed           - Pointer to where the number of bytes
+ *                                        consumed the ByteStreamBuffer is
+ *                                        returned
+ *              OutputBuffer            - Pointer to the return data buffer
+ *              StructureSize           - Pointer to where the number of bytes
+ *                                        in the return data struct is returned
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Take the resource byte stream and fill out the appropriate
+ *              structure pointed to by the OutputBuffer.  Return the
+ *              number of bytes consumed from the byte stream.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiRsFixedMemory32Resource (
+    UINT8                   *ByteStreamBuffer,
+    ACPI_SIZE               *BytesConsumed,
+    UINT8                   **OutputBuffer,
+    ACPI_SIZE               *StructureSize)
+{
+    UINT8                   *Buffer = ByteStreamBuffer;
+    ACPI_RESOURCE           *OutputStruct = (void *) *OutputBuffer;
+    UINT16                  Temp16 = 0;
+    UINT8                   Temp8 = 0;
+    ACPI_SIZE               StructSize = ACPI_SIZEOF_RESOURCE (ACPI_RESOURCE_FIXED_MEM32);
+
+
+    ACPI_FUNCTION_TRACE ("RsFixedMemory32Resource");
+
+
+    /*
+     * Point past the Descriptor to get the number of bytes consumed
+     */
+    Buffer += 1;
+    ACPI_MOVE_UNALIGNED16_TO_16 (&Temp16, Buffer);
+
+    Buffer += 2;
+    *BytesConsumed = (ACPI_SIZE) Temp16 + 3;
+
+    OutputStruct->Id = ACPI_RSTYPE_FIXED_MEM32;
+
+    /*
+     * Check Byte 3 the Read/Write bit
+     */
+    Temp8 = *Buffer;
+    Buffer += 1;
+    OutputStruct->Data.FixedMemory32.ReadWriteAttribute = Temp8 & 0x01;
+
+    /*
+     * Get RangeBaseAddress (Bytes 4-7)
+     */
+    ACPI_MOVE_UNALIGNED32_TO_32 (&OutputStruct->Data.FixedMemory32.RangeBaseAddress,
+                            Buffer);
+    Buffer += 4;
+
+    /*
+     * Get RangeLength (Bytes 8-11)
+     */
+    ACPI_MOVE_UNALIGNED32_TO_32 (&OutputStruct->Data.FixedMemory32.RangeLength,
+                            Buffer);
+
+    /*
+     * Set the Length parameter
+     */
+    OutputStruct->Length = (UINT32) StructSize;
+
+    /*
+     * Return the final size of the structure
+     */
+    *StructureSize = StructSize;
+    return_ACPI_STATUS (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiRsMemory32RangeStream
+ *
+ * PARAMETERS:  LinkedList              - Pointer to the resource linked list
+ *              OutputBuffer            - Pointer to the user's return buffer
+ *              BytesConsumed           - Pointer to where the number of bytes
+ *                                        used in the OutputBuffer is returned
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Take the linked list resource structure and fills in the
+ *              the appropriate bytes in a byte stream
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiRsMemory32RangeStream (
+    ACPI_RESOURCE           *LinkedList,
+    UINT8                   **OutputBuffer,
+    ACPI_SIZE               *BytesConsumed)
+{
+    UINT8                   *Buffer = *OutputBuffer;
+    UINT16                  Temp16 = 0;
+    UINT8                   Temp8 = 0;
+
+
+    ACPI_FUNCTION_TRACE ("RsMemory32RangeStream");
+
+
+    /*
+     * The descriptor field is static
+     */
+    *Buffer = 0x85;
+    Buffer += 1;
+
+    /*
+     * The length field is static
+     */
+    Temp16 = 0x11;
+
+    ACPI_MOVE_UNALIGNED16_TO_16 (Buffer, &Temp16);
+    Buffer += 2;
+
+    /*
+     * Set the Information Byte
+     */
+    Temp8 = (UINT8) (LinkedList->Data.Memory32.ReadWriteAttribute & 0x01);
+    *Buffer = Temp8;
+    Buffer += 1;
+
+    /*
+     * Set the Range minimum base address
+     */
+    ACPI_MOVE_UNALIGNED32_TO_32 (Buffer, &LinkedList->Data.Memory32.MinBaseAddress);
+    Buffer += 4;
+
+    /*
+     * Set the Range maximum base address
+     */
+    ACPI_MOVE_UNALIGNED32_TO_32 (Buffer, &LinkedList->Data.Memory32.MaxBaseAddress);
+    Buffer += 4;
+
+    /*
+     * Set the base alignment
+     */
+    ACPI_MOVE_UNALIGNED32_TO_32 (Buffer, &LinkedList->Data.Memory32.Alignment);
+    Buffer += 4;
+
+    /*
+     * Set the range length
+     */
+    ACPI_MOVE_UNALIGNED32_TO_32 (Buffer, &LinkedList->Data.Memory32.RangeLength);
+    Buffer += 4;
+
+    /*
+     * Return the number of bytes consumed in this operation
+     */
+    *BytesConsumed = ACPI_PTR_DIFF (Buffer, *OutputBuffer);
+    return_ACPI_STATUS (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiRsFixedMemory32Stream
+ *
+ * PARAMETERS:  LinkedList              - Pointer to the resource linked list
+ *              OutputBuffer            - Pointer to the user's return buffer
+ *              BytesConsumed           - Pointer to where the number of bytes
+ *                                        used in the OutputBuffer is returned
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Take the linked list resource structure and fills in the
+ *              the appropriate bytes in a byte stream
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiRsFixedMemory32Stream (
+    ACPI_RESOURCE           *LinkedList,
+    UINT8                   **OutputBuffer,
+    ACPI_SIZE               *BytesConsumed)
+{
+    UINT8                   *Buffer = *OutputBuffer;
+    UINT16                  Temp16 = 0;
+    UINT8                   Temp8 = 0;
+
+
+    ACPI_FUNCTION_TRACE ("RsFixedMemory32Stream");
+
+
+    /*
+     * The descriptor field is static
+     */
+    *Buffer = 0x86;
+    Buffer += 1;
+
+    /*
+     * The length field is static
+     */
+    Temp16 = 0x09;
+
+    ACPI_MOVE_UNALIGNED16_TO_16 (Buffer, &Temp16);
+    Buffer += 2;
+
+    /*
+     * Set the Information Byte
+     */
+    Temp8 = (UINT8) (LinkedList->Data.FixedMemory32.ReadWriteAttribute & 0x01);
+    *Buffer = Temp8;
+    Buffer += 1;
+
+    /*
+     * Set the Range base address
+     */
+    ACPI_MOVE_UNALIGNED32_TO_32 (Buffer,
+                            &LinkedList->Data.FixedMemory32.RangeBaseAddress);
+    Buffer += 4;
+
+    /*
+     * Set the range length
+     */
+    ACPI_MOVE_UNALIGNED32_TO_32 (Buffer,
+                            &LinkedList->Data.FixedMemory32.RangeLength);
+    Buffer += 4;
+
+    /*
+     * Return the number of bytes consumed in this operation
+     */
+    *BytesConsumed = ACPI_PTR_DIFF (Buffer, *OutputBuffer);
+    return_ACPI_STATUS (AE_OK);
+}
+
diff --git a/sys/contrib/dev/acpica/rsmisc.c b/sys/contrib/dev/acpica/rsmisc.c
new file mode 100644
index 0000000..e2d7d02
--- /dev/null
+++ b/sys/contrib/dev/acpica/rsmisc.c
@@ -0,0 +1,683 @@
+/*******************************************************************************
+ *
+ * Module Name: rsmisc - Miscellaneous resource descriptors
+ *              $Revision: 24 $
+ *
+ ******************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+#define __RSMISC_C__
+
+#include "acpi.h"
+#include "acresrc.h"
+
+#define _COMPONENT          ACPI_RESOURCES
+        ACPI_MODULE_NAME    ("rsmisc")
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiRsEndTagResource
+ *
+ * PARAMETERS:  ByteStreamBuffer        - Pointer to the resource input byte
+ *                                        stream
+ *              BytesConsumed           - Pointer to where the number of bytes
+ *                                        consumed the ByteStreamBuffer is
+ *                                        returned
+ *              OutputBuffer            - Pointer to the return data buffer
+ *              StructureSize           - Pointer to where the number of bytes
+ *                                        in the return data struct is returned
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Take the resource byte stream and fill out the appropriate
+ *              structure pointed to by the OutputBuffer.  Return the
+ *              number of bytes consumed from the byte stream.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiRsEndTagResource (
+    UINT8                   *ByteStreamBuffer,
+    ACPI_SIZE               *BytesConsumed,
+    UINT8                   **OutputBuffer,
+    ACPI_SIZE               *StructureSize)
+{
+    ACPI_RESOURCE           *OutputStruct = (void *) *OutputBuffer;
+    ACPI_SIZE               StructSize = ACPI_RESOURCE_LENGTH;
+
+
+    ACPI_FUNCTION_TRACE ("RsEndTagResource");
+
+
+    /*
+     * The number of bytes consumed is static
+     */
+    *BytesConsumed = 2;
+
+    /*
+     *  Fill out the structure
+     */
+    OutputStruct->Id = ACPI_RSTYPE_END_TAG;
+
+    /*
+     * Set the Length parameter
+     */
+    OutputStruct->Length = 0;
+
+    /*
+     * Return the final size of the structure
+     */
+    *StructureSize = StructSize;
+    return_ACPI_STATUS (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiRsEndTagStream
+ *
+ * PARAMETERS:  LinkedList              - Pointer to the resource linked list
+ *              OutputBuffer            - Pointer to the user's return buffer
+ *              BytesConsumed           - Pointer to where the number of bytes
+ *                                        used in the OutputBuffer is returned
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Take the linked list resource structure and fills in the
+ *              the appropriate bytes in a byte stream
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiRsEndTagStream (
+    ACPI_RESOURCE           *LinkedList,
+    UINT8                   **OutputBuffer,
+    ACPI_SIZE               *BytesConsumed)
+{
+    UINT8                   *Buffer = *OutputBuffer;
+    UINT8                   Temp8 = 0;
+
+
+    ACPI_FUNCTION_TRACE ("RsEndTagStream");
+
+
+    /*
+     * The descriptor field is static
+     */
+    *Buffer = 0x79;
+    Buffer += 1;
+
+    /*
+     * Set the Checksum - zero means that the resource data is treated as if
+     * the checksum operation succeeded (ACPI Spec 1.0b Section 6.4.2.8)
+     */
+    Temp8 = 0;
+
+    *Buffer = Temp8;
+    Buffer += 1;
+
+    /*
+     * Return the number of bytes consumed in this operation
+     */
+    *BytesConsumed = ACPI_PTR_DIFF (Buffer, *OutputBuffer);
+    return_ACPI_STATUS (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiRsVendorResource
+ *
+ * PARAMETERS:  ByteStreamBuffer        - Pointer to the resource input byte
+ *                                        stream
+ *              BytesConsumed           - Pointer to where the number of bytes
+ *                                        consumed the ByteStreamBuffer is
+ *                                        returned
+ *              OutputBuffer            - Pointer to the return data buffer
+ *              StructureSize           - Pointer to where the number of bytes
+ *                                        in the return data struct is returned
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Take the resource byte stream and fill out the appropriate
+ *              structure pointed to by the OutputBuffer.  Return the
+ *              number of bytes consumed from the byte stream.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiRsVendorResource (
+    UINT8                   *ByteStreamBuffer,
+    ACPI_SIZE               *BytesConsumed,
+    UINT8                   **OutputBuffer,
+    ACPI_SIZE               *StructureSize)
+{
+    UINT8                   *Buffer = ByteStreamBuffer;
+    ACPI_RESOURCE           *OutputStruct = (void *) *OutputBuffer;
+    UINT16                  Temp16 = 0;
+    UINT8                   Temp8 = 0;
+    UINT8                   Index;
+    ACPI_SIZE               StructSize = ACPI_SIZEOF_RESOURCE (ACPI_RESOURCE_VENDOR);
+
+
+    ACPI_FUNCTION_TRACE ("RsVendorResource");
+
+
+    /*
+     * Dereference the Descriptor to find if this is a large or small item.
+     */
+    Temp8 = *Buffer;
+
+    if (Temp8 & 0x80)
+    {
+        /*
+         * Large Item, point to the length field
+         */
+        Buffer += 1;
+
+        /* Dereference */
+
+        ACPI_MOVE_UNALIGNED16_TO_16 (&Temp16, Buffer);
+
+        /* Calculate bytes consumed */
+
+        *BytesConsumed = (ACPI_SIZE) Temp16 + 3;
+
+        /* Point to the first vendor byte */
+
+        Buffer += 2;
+    }
+    else
+    {
+        /*
+         * Small Item, dereference the size
+         */
+        Temp16 = (UINT8)(*Buffer & 0x07);
+
+        /* Calculate bytes consumed */
+
+        *BytesConsumed = (ACPI_SIZE) Temp16 + 1;
+
+        /* Point to the first vendor byte */
+
+        Buffer += 1;
+    }
+
+    OutputStruct->Id = ACPI_RSTYPE_VENDOR;
+    OutputStruct->Data.VendorSpecific.Length = Temp16;
+
+    for (Index = 0; Index < Temp16; Index++)
+    {
+        OutputStruct->Data.VendorSpecific.Reserved[Index] = *Buffer;
+        Buffer += 1;
+    }
+
+    /*
+     * In order for the StructSize to fall on a 32-bit boundary,
+     * calculate the length of the vendor string and expand the
+     * StructSize to the next 32-bit boundary.
+     */
+    StructSize += ACPI_ROUND_UP_TO_32BITS (Temp16);
+
+    /*
+     * Set the Length parameter
+     */
+    OutputStruct->Length = (UINT32) StructSize;
+
+    /*
+     * Return the final size of the structure
+     */
+    *StructureSize = StructSize;
+    return_ACPI_STATUS (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiRsVendorStream
+ *
+ * PARAMETERS:  LinkedList              - Pointer to the resource linked list
+ *              OutputBuffer            - Pointer to the user's return buffer
+ *              BytesConsumed           - Pointer to where the number of bytes
+ *                                        used in the OutputBuffer is returned
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Take the linked list resource structure and fills in the
+ *              the appropriate bytes in a byte stream
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiRsVendorStream (
+    ACPI_RESOURCE           *LinkedList,
+    UINT8                   **OutputBuffer,
+    ACPI_SIZE               *BytesConsumed)
+{
+    UINT8                   *Buffer = *OutputBuffer;
+    UINT16                  Temp16 = 0;
+    UINT8                   Temp8 = 0;
+    UINT8                   Index;
+
+
+    ACPI_FUNCTION_TRACE ("RsVendorStream");
+
+
+    /*
+     * Dereference the length to find if this is a large or small item.
+     */
+    if(LinkedList->Data.VendorSpecific.Length > 7)
+    {
+        /*
+         * Large Item, Set the descriptor field and length bytes
+         */
+        *Buffer = 0x84;
+        Buffer += 1;
+
+        Temp16 = (UINT16) LinkedList->Data.VendorSpecific.Length;
+
+        ACPI_MOVE_UNALIGNED16_TO_16 (Buffer, &Temp16);
+        Buffer += 2;
+    }
+    else
+    {
+        /*
+         * Small Item, Set the descriptor field
+         */
+        Temp8 = 0x70;
+        Temp8 |= (UINT8) LinkedList->Data.VendorSpecific.Length;
+
+        *Buffer = Temp8;
+        Buffer += 1;
+    }
+
+    /*
+     * Loop through all of the Vendor Specific fields
+     */
+    for (Index = 0; Index < LinkedList->Data.VendorSpecific.Length; Index++)
+    {
+        Temp8 = LinkedList->Data.VendorSpecific.Reserved[Index];
+
+        *Buffer = Temp8;
+        Buffer += 1;
+    }
+
+    /*
+     * Return the number of bytes consumed in this operation
+     */
+    *BytesConsumed = ACPI_PTR_DIFF (Buffer, *OutputBuffer);
+    return_ACPI_STATUS (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiRsStartDependFnsResource
+ *
+ * PARAMETERS:  ByteStreamBuffer        - Pointer to the resource input byte
+ *                                        stream
+ *              BytesConsumed           - Pointer to where the number of bytes
+ *                                        consumed the ByteStreamBuffer is
+ *                                        returned
+ *              OutputBuffer            - Pointer to the return data buffer
+ *              StructureSize           - Pointer to where the number of bytes
+ *                                        in the return data struct is returned
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Take the resource byte stream and fill out the appropriate
+ *              structure pointed to by the OutputBuffer.  Return the
+ *              number of bytes consumed from the byte stream.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiRsStartDependFnsResource (
+    UINT8                   *ByteStreamBuffer,
+    ACPI_SIZE               *BytesConsumed,
+    UINT8                   **OutputBuffer,
+    ACPI_SIZE               *StructureSize)
+{
+    UINT8                   *Buffer = ByteStreamBuffer;
+    ACPI_RESOURCE           *OutputStruct = (void *) *OutputBuffer;
+    UINT8                   Temp8 = 0;
+    ACPI_SIZE               StructSize = ACPI_SIZEOF_RESOURCE (ACPI_RESOURCE_START_DPF);
+
+
+    ACPI_FUNCTION_TRACE ("RsStartDependFnsResource");
+
+
+    /*
+     * The number of bytes consumed are contained in the descriptor (Bits:0-1)
+     */
+    Temp8 = *Buffer;
+
+    *BytesConsumed = (Temp8 & 0x01) + 1;
+
+    OutputStruct->Id = ACPI_RSTYPE_START_DPF;
+
+    /*
+     * Point to Byte 1 if it is used
+     */
+    if (2 == *BytesConsumed)
+    {
+        Buffer += 1;
+        Temp8 = *Buffer;
+
+        /*
+         * Check Compatibility priority
+         */
+        OutputStruct->Data.StartDpf.CompatibilityPriority = Temp8 & 0x03;
+
+        if (3 == OutputStruct->Data.StartDpf.CompatibilityPriority)
+        {
+            return_ACPI_STATUS (AE_AML_BAD_RESOURCE_VALUE);
+        }
+
+        /*
+         * Check Performance/Robustness preference
+         */
+        OutputStruct->Data.StartDpf.PerformanceRobustness = (Temp8 >> 2) & 0x03;
+
+        if (3 == OutputStruct->Data.StartDpf.PerformanceRobustness)
+        {
+            return_ACPI_STATUS (AE_AML_BAD_RESOURCE_VALUE);
+        }
+    }
+    else
+    {
+        OutputStruct->Data.StartDpf.CompatibilityPriority =
+                ACPI_ACCEPTABLE_CONFIGURATION;
+
+        OutputStruct->Data.StartDpf.PerformanceRobustness =
+                ACPI_ACCEPTABLE_CONFIGURATION;
+    }
+
+    /*
+     * Set the Length parameter
+     */
+    OutputStruct->Length = (UINT32) StructSize;
+
+    /*
+     * Return the final size of the structure
+     */
+    *StructureSize = StructSize;
+    return_ACPI_STATUS (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiRsEndDependFnsResource
+ *
+ * PARAMETERS:  ByteStreamBuffer        - Pointer to the resource input byte
+ *                                        stream
+ *              BytesConsumed           - Pointer to where the number of bytes
+ *                                        consumed the ByteStreamBuffer is
+ *                                        returned
+ *              OutputBuffer            - Pointer to the return data buffer
+ *              StructureSize           - Pointer to where the number of bytes
+ *                                        in the return data struct is returned
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Take the resource byte stream and fill out the appropriate
+ *              structure pointed to by the OutputBuffer.  Return the
+ *              number of bytes consumed from the byte stream.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiRsEndDependFnsResource (
+    UINT8                   *ByteStreamBuffer,
+    ACPI_SIZE               *BytesConsumed,
+    UINT8                   **OutputBuffer,
+    ACPI_SIZE               *StructureSize)
+{
+    ACPI_RESOURCE           *OutputStruct = (void *) *OutputBuffer;
+    ACPI_SIZE               StructSize = ACPI_RESOURCE_LENGTH;
+
+
+    ACPI_FUNCTION_TRACE ("RsEndDependFnsResource");
+
+
+    /*
+     * The number of bytes consumed is static
+     */
+    *BytesConsumed = 1;
+
+    /*
+     *  Fill out the structure
+     */
+    OutputStruct->Id = ACPI_RSTYPE_END_DPF;
+
+    /*
+     * Set the Length parameter
+     */
+    OutputStruct->Length = (UINT32) StructSize;
+
+    /*
+     * Return the final size of the structure
+     */
+    *StructureSize = StructSize;
+    return_ACPI_STATUS (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiRsStartDependFnsStream
+ *
+ * PARAMETERS:  LinkedList              - Pointer to the resource linked list
+ *              OutputBuffer            - Pointer to the user's return buffer
+ *              BytesConsumed           - UINT32 pointer that is filled with
+ *                                        the number of bytes of the
+ *                                        OutputBuffer used
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Take the linked list resource structure and fills in the
+ *              the appropriate bytes in a byte stream
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiRsStartDependFnsStream (
+    ACPI_RESOURCE           *LinkedList,
+    UINT8                   **OutputBuffer,
+    ACPI_SIZE               *BytesConsumed)
+{
+    UINT8                   *Buffer = *OutputBuffer;
+    UINT8                   Temp8 = 0;
+
+
+    ACPI_FUNCTION_TRACE ("RsStartDependFnsStream");
+
+
+    /*
+     * The descriptor field is set based upon whether a byte is needed
+     * to contain Priority data.
+     */
+    if (ACPI_ACCEPTABLE_CONFIGURATION ==
+            LinkedList->Data.StartDpf.CompatibilityPriority &&
+        ACPI_ACCEPTABLE_CONFIGURATION ==
+            LinkedList->Data.StartDpf.PerformanceRobustness)
+    {
+        *Buffer = 0x30;
+    }
+    else
+    {
+        *Buffer = 0x31;
+        Buffer += 1;
+
+        /*
+         * Set the Priority Byte Definition
+         */
+        Temp8 = 0;
+        Temp8 = (UINT8) ((LinkedList->Data.StartDpf.PerformanceRobustness &
+                            0x03) << 2);
+        Temp8 |= (LinkedList->Data.StartDpf.CompatibilityPriority &
+                            0x03);
+        *Buffer = Temp8;
+    }
+
+    Buffer += 1;
+
+    /*
+     * Return the number of bytes consumed in this operation
+     */
+    *BytesConsumed = ACPI_PTR_DIFF (Buffer, *OutputBuffer);
+    return_ACPI_STATUS (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiRsEndDependFnsStream
+ *
+ * PARAMETERS:  LinkedList              - Pointer to the resource linked list
+ *              OutputBuffer            - Pointer to the user's return buffer
+ *              BytesConsumed           - Pointer to where the number of bytes
+ *                                        used in the OutputBuffer is returned
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Take the linked list resource structure and fills in the
+ *              the appropriate bytes in a byte stream
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiRsEndDependFnsStream (
+    ACPI_RESOURCE           *LinkedList,
+    UINT8                   **OutputBuffer,
+    ACPI_SIZE               *BytesConsumed)
+{
+    UINT8                   *Buffer = *OutputBuffer;
+
+
+    ACPI_FUNCTION_TRACE ("RsEndDependFnsStream");
+
+
+    /*
+     * The descriptor field is static
+     */
+    *Buffer = 0x38;
+    Buffer += 1;
+
+    /*
+     * Return the number of bytes consumed in this operation
+     */
+    *BytesConsumed = ACPI_PTR_DIFF (Buffer, *OutputBuffer);
+    return_ACPI_STATUS (AE_OK);
+}
+
diff --git a/sys/contrib/dev/acpica/rsutils.c b/sys/contrib/dev/acpica/rsutils.c
new file mode 100644
index 0000000..26274f9
--- /dev/null
+++ b/sys/contrib/dev/acpica/rsutils.c
@@ -0,0 +1,440 @@
+/*******************************************************************************
+ *
+ * Module Name: rsutils - Utilities for the resource manager
+ *              $Revision: 33 $
+ *
+ ******************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+
+#define __RSUTILS_C__
+
+#include "acpi.h"
+#include "acnamesp.h"
+#include "acresrc.h"
+
+
+#define _COMPONENT          ACPI_RESOURCES
+        ACPI_MODULE_NAME    ("rsutils")
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiRsGetPrtMethodData
+ *
+ * PARAMETERS:  Handle          - a handle to the containing object
+ *              RetBuffer       - a pointer to a buffer structure for the
+ *                                  results
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: This function is called to get the _PRT value of an object
+ *              contained in an object specified by the handle passed in
+ *
+ *              If the function fails an appropriate status will be returned
+ *              and the contents of the callers buffer is undefined.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiRsGetPrtMethodData (
+    ACPI_HANDLE             Handle,
+    ACPI_BUFFER             *RetBuffer)
+{
+    ACPI_OPERAND_OBJECT     *ObjDesc;
+    ACPI_STATUS             Status;
+
+
+    ACPI_FUNCTION_TRACE ("RsGetPrtMethodData");
+
+
+    /* Parameters guaranteed valid by caller */
+
+    /*
+     *  Execute the method, no parameters
+     */
+    Status = AcpiNsEvaluateRelative (Handle, "_PRT", NULL, &ObjDesc);
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    if (!ObjDesc)
+    {
+        /* Return object is required */
+
+        ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "No object was returned from _PRT\n"));
+        return_ACPI_STATUS (AE_TYPE);
+    }
+
+    /*
+     * The return object must be a package, so check the parameters.  If the
+     * return object is not a package, then the underlying AML code is corrupt
+     * or improperly written.
+     */
+    if (ACPI_GET_OBJECT_TYPE (ObjDesc) != ACPI_TYPE_PACKAGE)
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "_PRT did not return a Package, returned %s\n",
+                AcpiUtGetObjectTypeName (ObjDesc)));
+        Status = AE_AML_OPERAND_TYPE;
+        goto Cleanup;
+    }
+
+    /*
+     * Create a resource linked list from the byte stream buffer that comes
+     * back from the _CRS method execution.
+     */
+    Status = AcpiRsCreatePciRoutingTable (ObjDesc, RetBuffer);
+
+    /* On exit, we must delete the object returned by EvaluateObject */
+
+Cleanup:
+
+    AcpiUtRemoveReference (ObjDesc);
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiRsGetCrsMethodData
+ *
+ * PARAMETERS:  Handle          - a handle to the containing object
+ *              RetBuffer       - a pointer to a buffer structure for the
+ *                                  results
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: This function is called to get the _CRS value of an object
+ *              contained in an object specified by the handle passed in
+ *
+ *              If the function fails an appropriate status will be returned
+ *              and the contents of the callers buffer is undefined.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiRsGetCrsMethodData (
+    ACPI_HANDLE             Handle,
+    ACPI_BUFFER             *RetBuffer)
+{
+    ACPI_OPERAND_OBJECT     *ObjDesc;
+    ACPI_STATUS             Status;
+
+
+    ACPI_FUNCTION_TRACE ("RsGetCrsMethodData");
+
+
+    /* Parameters guaranteed valid by caller */
+
+    /*
+     * Execute the method, no parameters
+     */
+    Status = AcpiNsEvaluateRelative (Handle, "_CRS", NULL, &ObjDesc);
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    if (!ObjDesc)
+    {
+        /* Return object is required */
+
+        ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "No object was returned from _CRS\n"));
+        return_ACPI_STATUS (AE_TYPE);
+    }
+
+    /*
+     * The return object will be a buffer, but check the
+     * parameters.  If the return object is not a buffer,
+     * then the underlying AML code is corrupt or improperly
+     * written.
+     */
+    if (ACPI_GET_OBJECT_TYPE (ObjDesc) != ACPI_TYPE_BUFFER)
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "_CRS did not return a Buffer, returned %s\n",
+                AcpiUtGetObjectTypeName (ObjDesc)));
+        Status = AE_AML_OPERAND_TYPE;
+        goto Cleanup;
+    }
+
+    /*
+     * Make the call to create a resource linked list from the
+     * byte stream buffer that comes back from the _CRS method
+     * execution.
+     */
+    Status = AcpiRsCreateResourceList (ObjDesc, RetBuffer);
+
+    /* On exit, we must delete the object returned by evaluateObject */
+
+Cleanup:
+
+    AcpiUtRemoveReference (ObjDesc);
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiRsGetPrsMethodData
+ *
+ * PARAMETERS:  Handle          - a handle to the containing object
+ *              RetBuffer       - a pointer to a buffer structure for the
+ *                                  results
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: This function is called to get the _PRS value of an object
+ *              contained in an object specified by the handle passed in
+ *
+ *              If the function fails an appropriate status will be returned
+ *              and the contents of the callers buffer is undefined.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiRsGetPrsMethodData (
+    ACPI_HANDLE             Handle,
+    ACPI_BUFFER             *RetBuffer)
+{
+    ACPI_OPERAND_OBJECT     *ObjDesc;
+    ACPI_STATUS             Status;
+
+
+    ACPI_FUNCTION_TRACE ("RsGetPrsMethodData");
+
+
+    /* Parameters guaranteed valid by caller */
+
+    /*
+     * Execute the method, no parameters
+     */
+    Status = AcpiNsEvaluateRelative (Handle, "_PRS", NULL, &ObjDesc);
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    if (!ObjDesc)
+    {
+        /* Return object is required */
+
+        ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "No object was returned from _PRS\n"));
+        return_ACPI_STATUS (AE_TYPE);
+    }
+
+    /*
+     * The return object will be a buffer, but check the
+     * parameters.  If the return object is not a buffer,
+     * then the underlying AML code is corrupt or improperly
+     * written..
+     */
+    if (ACPI_GET_OBJECT_TYPE (ObjDesc) != ACPI_TYPE_BUFFER)
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "_PRS did not return a Buffer, returned %s\n",
+                AcpiUtGetObjectTypeName (ObjDesc)));
+        Status = AE_AML_OPERAND_TYPE;
+        goto Cleanup;
+    }
+
+    /*
+     * Make the call to create a resource linked list from the
+     * byte stream buffer that comes back from the _CRS method
+     * execution.
+     */
+    Status = AcpiRsCreateResourceList (ObjDesc, RetBuffer);
+
+    /* On exit, we must delete the object returned by evaluateObject */
+
+Cleanup:
+
+    AcpiUtRemoveReference (ObjDesc);
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiRsSetSrsMethodData
+ *
+ * PARAMETERS:  Handle          - a handle to the containing object
+ *              InBuffer        - a pointer to a buffer structure of the
+ *                                  parameter
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: This function is called to set the _SRS of an object contained
+ *              in an object specified by the handle passed in
+ *
+ *              If the function fails an appropriate status will be returned
+ *              and the contents of the callers buffer is undefined.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiRsSetSrsMethodData (
+    ACPI_HANDLE             Handle,
+    ACPI_BUFFER             *InBuffer)
+{
+    ACPI_OPERAND_OBJECT     *Params[2];
+    ACPI_STATUS             Status;
+    ACPI_BUFFER             Buffer;
+
+
+    ACPI_FUNCTION_TRACE ("RsSetSrsMethodData");
+
+
+    /* Parameters guaranteed valid by caller */
+
+    /*
+     * The InBuffer parameter will point to a linked list of
+     * resource parameters.  It needs to be formatted into a
+     * byte stream to be sent in as an input parameter to _SRS
+     *
+     * Convert the linked list into a byte stream
+     */
+    Buffer.Length = ACPI_ALLOCATE_LOCAL_BUFFER;
+    Status = AcpiRsCreateByteStream (InBuffer->Pointer, &Buffer);
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    /*
+     * Init the param object
+     */
+    Params[0] = AcpiUtCreateInternalObject (ACPI_TYPE_BUFFER);
+    if (!Params[0])
+    {
+        AcpiOsFree (Buffer.Pointer);
+        return_ACPI_STATUS (AE_NO_MEMORY);
+    }
+
+    /*
+     * Set up the parameter object
+     */
+    Params[0]->Buffer.Length  = (UINT32) Buffer.Length;
+    Params[0]->Buffer.Pointer = Buffer.Pointer;
+    Params[0]->Common.Flags   = AOPOBJ_DATA_VALID;
+    Params[1] = NULL;
+
+    /*
+     * Execute the method, no return value
+     */
+    Status = AcpiNsEvaluateRelative (Handle, "_SRS", Params, NULL);
+
+    /*
+     * Clean up and return the status from AcpiNsEvaluateRelative
+     */
+    AcpiUtRemoveReference (Params[0]);
+    return_ACPI_STATUS (Status);
+}
+
diff --git a/sys/contrib/dev/acpica/rsxface.c b/sys/contrib/dev/acpica/rsxface.c
new file mode 100644
index 0000000..11e6d51
--- /dev/null
+++ b/sys/contrib/dev/acpica/rsxface.c
@@ -0,0 +1,336 @@
+/*******************************************************************************
+ *
+ * Module Name: rsxface - Public interfaces to the resource manager
+ *              $Revision: 19 $
+ *
+ ******************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+
+#define __RSXFACE_C__
+
+#include "acpi.h"
+#include "acresrc.h"
+
+#define _COMPONENT          ACPI_RESOURCES
+        ACPI_MODULE_NAME    ("rsxface")
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiGetIrqRoutingTable
+ *
+ * PARAMETERS:  DeviceHandle    - a handle to the Bus device we are querying
+ *              RetBuffer       - a pointer to a buffer to receive the
+ *                                current resources for the device
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: This function is called to get the IRQ routing table for a
+ *              specific bus.  The caller must first acquire a handle for the
+ *              desired bus.  The routine table is placed in the buffer pointed
+ *              to by the RetBuffer variable parameter.
+ *
+ *              If the function fails an appropriate status will be returned
+ *              and the value of RetBuffer is undefined.
+ *
+ *              This function attempts to execute the _PRT method contained in
+ *              the object indicated by the passed DeviceHandle.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiGetIrqRoutingTable  (
+    ACPI_HANDLE             DeviceHandle,
+    ACPI_BUFFER             *RetBuffer)
+{
+    ACPI_STATUS             Status;
+
+
+    ACPI_FUNCTION_TRACE ("AcpiGetIrqRoutingTable ");
+
+
+    /*
+     * Must have a valid handle and buffer, So we have to have a handle
+     * and a return buffer structure, and if there is a non-zero buffer length
+     * we also need a valid pointer in the buffer. If it's a zero buffer length,
+     * we'll be returning the needed buffer size, so keep going.
+     */
+    if (!DeviceHandle)
+    {
+        return_ACPI_STATUS (AE_BAD_PARAMETER);
+    }
+
+    Status = AcpiUtValidateBuffer (RetBuffer);
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    Status = AcpiRsGetPrtMethodData (DeviceHandle, RetBuffer);
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiGetCurrentResources
+ *
+ * PARAMETERS:  DeviceHandle    - a handle to the device object for the
+ *                                device we are querying
+ *              RetBuffer       - a pointer to a buffer to receive the
+ *                                current resources for the device
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: This function is called to get the current resources for a
+ *              specific device.  The caller must first acquire a handle for
+ *              the desired device.  The resource data is placed in the buffer
+ *              pointed to by the RetBuffer variable parameter.
+ *
+ *              If the function fails an appropriate status will be returned
+ *              and the value of RetBuffer is undefined.
+ *
+ *              This function attempts to execute the _CRS method contained in
+ *              the object indicated by the passed DeviceHandle.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiGetCurrentResources (
+    ACPI_HANDLE             DeviceHandle,
+    ACPI_BUFFER             *RetBuffer)
+{
+    ACPI_STATUS             Status;
+
+
+    ACPI_FUNCTION_TRACE ("AcpiGetCurrentResources");
+
+
+    /*
+     * Must have a valid handle and buffer, So we have to have a handle
+     * and a return buffer structure, and if there is a non-zero buffer length
+     * we also need a valid pointer in the buffer. If it's a zero buffer length,
+     * we'll be returning the needed buffer size, so keep going.
+     */
+    if (!DeviceHandle)
+    {
+        return_ACPI_STATUS (AE_BAD_PARAMETER);
+    }
+
+    Status = AcpiUtValidateBuffer (RetBuffer);
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    Status = AcpiRsGetCrsMethodData (DeviceHandle, RetBuffer);
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiGetPossibleResources
+ *
+ * PARAMETERS:  DeviceHandle    - a handle to the device object for the
+ *                                device we are querying
+ *              RetBuffer       - a pointer to a buffer to receive the
+ *                                resources for the device
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: This function is called to get a list of the possible resources
+ *              for a specific device.  The caller must first acquire a handle
+ *              for the desired device.  The resource data is placed in the
+ *              buffer pointed to by the RetBuffer variable.
+ *
+ *              If the function fails an appropriate status will be returned
+ *              and the value of RetBuffer is undefined.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiGetPossibleResources (
+    ACPI_HANDLE             DeviceHandle,
+    ACPI_BUFFER             *RetBuffer)
+{
+    ACPI_STATUS             Status;
+
+
+    ACPI_FUNCTION_TRACE ("AcpiGetPossibleResources");
+
+
+    /*
+     * Must have a valid handle and buffer, So we have to have a handle
+     * and a return buffer structure, and if there is a non-zero buffer length
+     * we also need a valid pointer in the buffer. If it's a zero buffer length,
+     * we'll be returning the needed buffer size, so keep going.
+     */
+    if (!DeviceHandle)
+    {
+        return_ACPI_STATUS (AE_BAD_PARAMETER);
+    }
+
+    Status = AcpiUtValidateBuffer (RetBuffer);
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    Status = AcpiRsGetPrsMethodData (DeviceHandle, RetBuffer);
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiSetCurrentResources
+ *
+ * PARAMETERS:  DeviceHandle    - a handle to the device object for the
+ *                                device we are changing the resources of
+ *              InBuffer        - a pointer to a buffer containing the
+ *                                resources to be set for the device
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: This function is called to set the current resources for a
+ *              specific device.  The caller must first acquire a handle for
+ *              the desired device.  The resource data is passed to the routine
+ *              the buffer pointed to by the InBuffer variable.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiSetCurrentResources (
+    ACPI_HANDLE             DeviceHandle,
+    ACPI_BUFFER             *InBuffer)
+{
+    ACPI_STATUS             Status;
+
+
+    ACPI_FUNCTION_TRACE ("AcpiSetCurrentResources");
+
+
+    /*
+     * Must have a valid handle and buffer
+     */
+    if ((!DeviceHandle)       ||
+        (!InBuffer)           ||
+        (!InBuffer->Pointer)  ||
+        (!InBuffer->Length))
+    {
+        return_ACPI_STATUS (AE_BAD_PARAMETER);
+    }
+
+    Status = AcpiRsSetSrsMethodData (DeviceHandle, InBuffer);
+    return_ACPI_STATUS (Status);
+}
diff --git a/sys/contrib/dev/acpica/tbconvrt.c b/sys/contrib/dev/acpica/tbconvrt.c
new file mode 100644
index 0000000..0490767
--- /dev/null
+++ b/sys/contrib/dev/acpica/tbconvrt.c
@@ -0,0 +1,573 @@
+/******************************************************************************
+ *
+ * Module Name: tbconvrt - ACPI Table conversion utilities
+ *              $Revision: 45 $
+ *
+ *****************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+#define __TBCONVRT_C__
+
+#include "acpi.h"
+#include "actables.h"
+
+
+#define _COMPONENT          ACPI_TABLES
+        ACPI_MODULE_NAME    ("tbconvrt")
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiTbGetTableCount
+ *
+ * PARAMETERS:  RSDP            - Pointer to the RSDP
+ *              RSDT            - Pointer to the RSDT/XSDT
+ *
+ * RETURN:      The number of tables pointed to by the RSDT or XSDT.
+ *
+ * DESCRIPTION: Calculate the number of tables.  Automatically handles either
+ *              an RSDT or XSDT.
+ *
+ ******************************************************************************/
+
+UINT32
+AcpiTbGetTableCount (
+    RSDP_DESCRIPTOR         *RSDP,
+    ACPI_TABLE_HEADER       *RSDT)
+{
+    UINT32                  PointerSize;
+
+
+    ACPI_FUNCTION_ENTRY ();
+
+
+#if ACPI_MACHINE_WIDTH != 64
+
+    if (RSDP->Revision < 2)
+    {
+        PointerSize = sizeof (UINT32);
+    }
+    else
+#endif
+    {
+        PointerSize = sizeof (UINT64);
+    }
+
+    /*
+     * Determine the number of tables pointed to by the RSDT/XSDT.
+     * This is defined by the ACPI Specification to be the number of
+     * pointers contained within the RSDT/XSDT.  The size of the pointers
+     * is architecture-dependent.
+     */
+    return ((RSDT->Length - sizeof (ACPI_TABLE_HEADER)) / PointerSize);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiTbConvertToXsdt
+ *
+ * PARAMETERS:  TableInfo       - Info about the RSDT
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Convert an RSDT to an XSDT (internal common format)
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiTbConvertToXsdt (
+    ACPI_TABLE_DESC         *TableInfo)
+{
+    ACPI_SIZE               TableSize;
+    UINT32                  i;
+    XSDT_DESCRIPTOR         *NewTable;
+
+
+    ACPI_FUNCTION_ENTRY ();
+
+
+    /* Compute size of the converted XSDT */
+
+    TableSize = ((ACPI_SIZE) AcpiGbl_RsdtTableCount * sizeof (UINT64)) +
+                    sizeof (ACPI_TABLE_HEADER);
+
+    /* Allocate an XSDT */
+
+    NewTable = ACPI_MEM_CALLOCATE (TableSize);
+    if (!NewTable)
+    {
+        return (AE_NO_MEMORY);
+    }
+
+    /* Copy the header and set the length */
+
+    ACPI_MEMCPY (NewTable, TableInfo->Pointer, sizeof (ACPI_TABLE_HEADER));
+    NewTable->Header.Length = (UINT32) TableSize;
+
+    /* Copy the table pointers */
+
+    for (i = 0; i < AcpiGbl_RsdtTableCount; i++)
+    {
+        if (AcpiGbl_RSDP->Revision < 2)
+        {
+            ACPI_STORE_ADDRESS (NewTable->TableOffsetEntry[i],
+                ((RSDT_DESCRIPTOR_REV1 *) TableInfo->Pointer)->TableOffsetEntry[i]);
+        }
+        else
+        {
+            NewTable->TableOffsetEntry[i] =
+                ((XSDT_DESCRIPTOR *) TableInfo->Pointer)->TableOffsetEntry[i];
+        }
+    }
+
+    /* Delete the original table (either mapped or in a buffer) */
+
+    AcpiTbDeleteSingleTable (TableInfo);
+
+    /* Point the table descriptor to the new table */
+
+    TableInfo->Pointer      = (ACPI_TABLE_HEADER *) NewTable;
+    TableInfo->Length       = TableSize;
+    TableInfo->Allocation   = ACPI_MEM_ALLOCATED;
+
+    return (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiTbConvertFadt1
+ *
+ * PARAMETERS:  LocalFadt       - Pointer to new FADT
+ *              OriginalFadt    - Pointer to old FADT
+ *
+ * RETURN:      Populates LocalFadt
+ *
+ * DESCRIPTION: Convert an ACPI 1.0 FADT to common internal format
+ *
+ ******************************************************************************/
+
+static void
+AcpiTbConvertFadt1 (
+    FADT_DESCRIPTOR_REV2   *LocalFadt,
+    FADT_DESCRIPTOR_REV1   *OriginalFadt)
+{
+
+
+    /* ACPI 1.0 FACS */
+    /* The BIOS stored FADT should agree with Revision 1.0 */
+
+    /*
+     * Copy the table header and the common part of the tables.
+     *
+     * The 2.0 table is an extension of the 1.0 table, so the entire 1.0
+     * table can be copied first, then expand some fields to 64 bits.
+     */
+    ACPI_MEMCPY (LocalFadt, OriginalFadt, sizeof (FADT_DESCRIPTOR_REV1));
+
+    /* Convert table pointers to 64-bit fields */
+
+    ACPI_STORE_ADDRESS (LocalFadt->XFirmwareCtrl, LocalFadt->V1_FirmwareCtrl);
+    ACPI_STORE_ADDRESS (LocalFadt->XDsdt, LocalFadt->V1_Dsdt);
+
+    /*
+     * System Interrupt Model isn't used in ACPI 2.0 (LocalFadt->Reserved1 = 0;)
+     */
+
+    /*
+     * This field is set by the OEM to convey the preferred power management
+     * profile to OSPM. It doesn't have any 1.0 equivalence.  Since we don't
+     * know what kind of 32-bit system this is, we will use "unspecified".
+     */
+    LocalFadt->Prefer_PM_Profile = PM_UNSPECIFIED;
+
+    /*
+     * Processor Performance State Control. This is the value OSPM writes to
+     * the SMI_CMD register to assume processor performance state control
+     * responsibility. There isn't any equivalence in 1.0, leave it zeroed.
+     */
+    LocalFadt->PstateCnt = 0;
+
+    /*
+     * Support for the _CST object and C States change notification.
+     * This data item hasn't any 1.0 equivalence so leave it zero.
+     */
+    LocalFadt->CstCnt = 0;
+
+    /*
+     * Since there isn't any equivalence in 1.0 and since it highly likely
+     * that a 1.0 system has legacy support.
+     */
+    LocalFadt->IapcBootArch = BAF_LEGACY_DEVICES;
+
+    /*
+     * Convert the V1.0 block addresses to V2.0 GAS structures
+     */
+    ASL_BUILD_GAS_FROM_V1_ENTRY (LocalFadt->XPm1aEvtBlk, LocalFadt->Pm1EvtLen,  LocalFadt->V1_Pm1aEvtBlk);
+    ASL_BUILD_GAS_FROM_V1_ENTRY (LocalFadt->XPm1bEvtBlk, LocalFadt->Pm1EvtLen,  LocalFadt->V1_Pm1bEvtBlk);
+    ASL_BUILD_GAS_FROM_V1_ENTRY (LocalFadt->XPm1aCntBlk, LocalFadt->Pm1CntLen,  LocalFadt->V1_Pm1aCntBlk);
+    ASL_BUILD_GAS_FROM_V1_ENTRY (LocalFadt->XPm1bCntBlk, LocalFadt->Pm1CntLen,  LocalFadt->V1_Pm1bCntBlk);
+    ASL_BUILD_GAS_FROM_V1_ENTRY (LocalFadt->XPm2CntBlk,  LocalFadt->Pm2CntLen,  LocalFadt->V1_Pm2CntBlk);
+    ASL_BUILD_GAS_FROM_V1_ENTRY (LocalFadt->XPmTmrBlk,   LocalFadt->PmTmLen,    LocalFadt->V1_PmTmrBlk);
+    ASL_BUILD_GAS_FROM_V1_ENTRY (LocalFadt->XGpe0Blk,    LocalFadt->Gpe0BlkLen, LocalFadt->V1_Gpe0Blk);
+    ASL_BUILD_GAS_FROM_V1_ENTRY (LocalFadt->XGpe1Blk,    LocalFadt->Gpe1BlkLen, LocalFadt->V1_Gpe1Blk);
+
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiTbConvertFadt2
+ *
+ * PARAMETERS:  LocalFadt       - Pointer to new FADT
+ *              OriginalFadt    - Pointer to old FADT
+ *
+ * RETURN:      Populates LocalFadt
+ *
+ * DESCRIPTION: Convert an ACPI 2.0 FADT to common internal format.
+ *              Handles optional "X" fields.
+ *
+ ******************************************************************************/
+
+static void
+AcpiTbConvertFadt2 (
+    FADT_DESCRIPTOR_REV2   *LocalFadt,
+    FADT_DESCRIPTOR_REV2   *OriginalFadt)
+{
+
+    /* We have an ACPI 2.0 FADT but we must copy it to our local buffer */
+
+    ACPI_MEMCPY (LocalFadt, OriginalFadt, sizeof (FADT_DESCRIPTOR_REV2));
+
+    /*
+     * "X" fields are optional extensions to the original V1.0 fields, so
+     * we must selectively expand V1.0 fields if the corresponding X field
+     * is zero.
+     */
+    if (!(ACPI_GET_ADDRESS (LocalFadt->XFirmwareCtrl)))
+    {
+        ACPI_STORE_ADDRESS (LocalFadt->XFirmwareCtrl, LocalFadt->V1_FirmwareCtrl);
+    }
+
+    if (!(ACPI_GET_ADDRESS (LocalFadt->XDsdt)))
+    {
+        ACPI_STORE_ADDRESS (LocalFadt->XDsdt, LocalFadt->V1_Dsdt);
+    }
+
+    if (!(ACPI_GET_ADDRESS (LocalFadt->XPm1aEvtBlk.Address)))
+    {
+        ASL_BUILD_GAS_FROM_V1_ENTRY (LocalFadt->XPm1aEvtBlk,
+            LocalFadt->Pm1EvtLen,  LocalFadt->V1_Pm1aEvtBlk);
+    }
+
+    if (!(ACPI_GET_ADDRESS (LocalFadt->XPm1bEvtBlk.Address)))
+    {
+        ASL_BUILD_GAS_FROM_V1_ENTRY (LocalFadt->XPm1bEvtBlk,
+            LocalFadt->Pm1EvtLen,  LocalFadt->V1_Pm1bEvtBlk);
+    }
+
+    if (!(ACPI_GET_ADDRESS (LocalFadt->XPm1aCntBlk.Address)))
+    {
+        ASL_BUILD_GAS_FROM_V1_ENTRY (LocalFadt->XPm1aCntBlk,
+            LocalFadt->Pm1CntLen,  LocalFadt->V1_Pm1aCntBlk);
+    }
+
+    if (!(ACPI_GET_ADDRESS (LocalFadt->XPm1bCntBlk.Address)))
+    {
+        ASL_BUILD_GAS_FROM_V1_ENTRY (LocalFadt->XPm1bCntBlk,
+            LocalFadt->Pm1CntLen,  LocalFadt->V1_Pm1bCntBlk);
+    }
+
+    if (!(ACPI_GET_ADDRESS (LocalFadt->XPm2CntBlk.Address)))
+    {
+        ASL_BUILD_GAS_FROM_V1_ENTRY (LocalFadt->XPm2CntBlk,
+            LocalFadt->Pm2CntLen,  LocalFadt->V1_Pm2CntBlk);
+    }
+
+    if (!(ACPI_GET_ADDRESS (LocalFadt->XPmTmrBlk.Address)))
+    {
+        ASL_BUILD_GAS_FROM_V1_ENTRY (LocalFadt->XPmTmrBlk,
+            LocalFadt->PmTmLen,    LocalFadt->V1_PmTmrBlk);
+    }
+
+    if (!(ACPI_GET_ADDRESS (LocalFadt->XGpe0Blk.Address)))
+    {
+        ASL_BUILD_GAS_FROM_V1_ENTRY (LocalFadt->XGpe0Blk,
+            LocalFadt->Gpe0BlkLen, LocalFadt->V1_Gpe0Blk);
+    }
+
+    if (!(ACPI_GET_ADDRESS (LocalFadt->XGpe1Blk.Address)))
+    {
+        ASL_BUILD_GAS_FROM_V1_ENTRY (LocalFadt->XGpe1Blk,
+            LocalFadt->Gpe1BlkLen, LocalFadt->V1_Gpe1Blk);
+    }
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiTbConvertTableFadt
+ *
+ * PARAMETERS:  None
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Converts a BIOS supplied ACPI 1.0 FADT to a local
+ *              ACPI 2.0 FADT. If the BIOS supplied a 2.0 FADT then it is simply
+ *              copied to the local FADT.  The ACPI CA software uses this
+ *              local FADT. Thus a significant amount of special #ifdef
+ *              type codeing is saved.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiTbConvertTableFadt (void)
+{
+    FADT_DESCRIPTOR_REV2   *LocalFadt;
+    ACPI_TABLE_DESC        *TableDesc;
+
+
+    ACPI_FUNCTION_TRACE ("TbConvertTableFadt");
+
+
+    /*
+     * AcpiGbl_FADT is valid
+     * Allocate and zero the 2.0 FADT buffer
+     */
+    LocalFadt = ACPI_MEM_CALLOCATE (sizeof (FADT_DESCRIPTOR_REV2));
+    if (LocalFadt == NULL)
+    {
+        return_ACPI_STATUS (AE_NO_MEMORY);
+    }
+
+    /*
+     * FADT length and version validation.  The table must be at least as
+     * long as the version 1.0 FADT
+     */
+    if (AcpiGbl_FADT->Header.Length < sizeof (FADT_DESCRIPTOR_REV1))
+    {
+        ACPI_REPORT_ERROR (("Invalid FADT table length: 0x%X\n", AcpiGbl_FADT->Header.Length));
+        return_ACPI_STATUS (AE_INVALID_TABLE_LENGTH);
+    }
+
+    if (AcpiGbl_FADT->Header.Revision >= FADT2_REVISION_ID)
+    {
+        if (AcpiGbl_FADT->Header.Length < sizeof (FADT_DESCRIPTOR_REV2))
+        {
+            /* Length is too short to be a V2.0 table */
+
+            ACPI_REPORT_WARNING (("Inconsistent FADT length (0x%X) and revision (0x%X), using FADT V1.0 portion of table\n",
+                        AcpiGbl_FADT->Header.Length, AcpiGbl_FADT->Header.Revision));
+
+            AcpiTbConvertFadt1 (LocalFadt, (void *) AcpiGbl_FADT);
+        }
+        else
+        {
+            /* Valid V2.0 table */
+
+            AcpiTbConvertFadt2 (LocalFadt, AcpiGbl_FADT);
+        }
+    }
+    else
+    {
+        /* Valid V1.0 table */
+
+        AcpiTbConvertFadt1 (LocalFadt, (void *) AcpiGbl_FADT);
+    }
+
+    /*
+     * Global FADT pointer will point to the new common V2.0 FADT
+     */
+    AcpiGbl_FADT = LocalFadt;
+    AcpiGbl_FADT->Header.Length = sizeof (FADT_DESCRIPTOR);
+
+    /* Free the original table */
+
+    TableDesc = &AcpiGbl_AcpiTables[ACPI_TABLE_FADT];
+    AcpiTbDeleteSingleTable (TableDesc);
+
+    /* Install the new table */
+
+    TableDesc->Pointer      = (ACPI_TABLE_HEADER *) AcpiGbl_FADT;
+    TableDesc->Allocation   = ACPI_MEM_ALLOCATED;
+    TableDesc->Length       = sizeof (FADT_DESCRIPTOR_REV2);
+
+    /* Dump the entire FADT */
+
+    ACPI_DEBUG_PRINT ((ACPI_DB_TABLES,
+        "Hex dump of common internal FADT, size %d (%X)\n",
+        AcpiGbl_FADT->Header.Length, AcpiGbl_FADT->Header.Length));
+    ACPI_DUMP_BUFFER ((UINT8 *) (AcpiGbl_FADT), AcpiGbl_FADT->Header.Length);
+
+    return_ACPI_STATUS (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiTbConvertTableFacs
+ *
+ * PARAMETERS:  TableInfo       - Info for currently installad FACS
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Convert ACPI 1.0 and ACPI 2.0 FACS to a common internal
+ *              table format.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiTbBuildCommonFacs (
+    ACPI_TABLE_DESC         *TableInfo)
+{
+
+    ACPI_FUNCTION_TRACE ("TbBuildCommonFacs");
+
+
+    /* Absolute minimum length is 24, but the ACPI spec says 64 */
+
+    if (AcpiGbl_FACS->Length < 24)
+    {
+        ACPI_REPORT_ERROR (("Invalid FACS table length: 0x%X\n", AcpiGbl_FACS->Length));
+        return_ACPI_STATUS (AE_INVALID_TABLE_LENGTH);
+    }
+
+    if (AcpiGbl_FACS->Length < 64)
+    {
+        ACPI_REPORT_WARNING (("FACS is shorter than the ACPI specification allows: 0x%X, using anyway\n",
+            AcpiGbl_FACS->Length));
+    }
+
+    /* Copy fields to the new FACS */
+
+    AcpiGbl_CommonFACS.GlobalLock = &(AcpiGbl_FACS->GlobalLock);
+
+    if ((AcpiGbl_RSDP->Revision < 2) ||
+        (AcpiGbl_FACS->Length < 32)  ||
+        (!(ACPI_GET_ADDRESS (AcpiGbl_FACS->XFirmwareWakingVector))))
+    {
+        /* ACPI 1.0 FACS or short table or optional X_ field is zero */
+
+        AcpiGbl_CommonFACS.FirmwareWakingVector = ACPI_CAST_PTR (UINT64, &(AcpiGbl_FACS->FirmwareWakingVector));
+        AcpiGbl_CommonFACS.VectorWidth = 32;
+    }
+    else
+    {
+        /* ACPI 2.0 FACS with valid X_ field */
+
+        AcpiGbl_CommonFACS.FirmwareWakingVector = &AcpiGbl_FACS->XFirmwareWakingVector;
+        AcpiGbl_CommonFACS.VectorWidth = 64;
+    }
+
+    return_ACPI_STATUS (AE_OK);
+}
+
+
diff --git a/sys/contrib/dev/acpica/tbget.c b/sys/contrib/dev/acpica/tbget.c
new file mode 100644
index 0000000..6f9b9f8
--- /dev/null
+++ b/sys/contrib/dev/acpica/tbget.c
@@ -0,0 +1,585 @@
+/******************************************************************************
+ *
+ * Module Name: tbget - ACPI Table get* routines
+ *              $Revision: 81 $
+ *
+ *****************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+#define __TBGET_C__
+
+#include "acpi.h"
+#include "actables.h"
+
+
+#define _COMPONENT          ACPI_TABLES
+        ACPI_MODULE_NAME    ("tbget")
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiTbGetTable
+ *
+ * PARAMETERS:  Address             - Address of table to retrieve.  Can be
+ *                                    Logical or Physical
+ *              TableInfo           - Where table info is returned
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Get entire table of unknown size.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiTbGetTable (
+    ACPI_POINTER            *Address,
+    ACPI_TABLE_DESC         *TableInfo)
+{
+    ACPI_STATUS             Status;
+    ACPI_TABLE_HEADER       Header;
+
+
+    ACPI_FUNCTION_TRACE ("TbGetTable");
+
+
+    /*
+     * Get the header in order to get signature and table size
+     */
+    Status = AcpiTbGetTableHeader (Address, &Header);
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    /* Get the entire table */
+
+    Status = AcpiTbGetTableBody (Address, &Header, TableInfo);
+    if (ACPI_FAILURE (Status))
+    {
+        ACPI_REPORT_ERROR (("Could not get ACPI table (size %X), %s\n",
+            Header.Length, AcpiFormatException (Status)));
+        return_ACPI_STATUS (Status);
+    }
+
+    return_ACPI_STATUS (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiTbGetTableHeader
+ *
+ * PARAMETERS:  Address             - Address of table to retrieve.  Can be
+ *                                    Logical or Physical
+ *              ReturnHeader        - Where the table header is returned
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Get an ACPI table header.  Works in both physical or virtual
+ *              addressing mode.  Works with both physical or logical pointers.
+ *              Table is either copied or mapped, depending on the pointer
+ *              type and mode of the processor.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiTbGetTableHeader (
+    ACPI_POINTER            *Address,
+    ACPI_TABLE_HEADER       *ReturnHeader)
+{
+    ACPI_STATUS             Status = AE_OK;
+    ACPI_TABLE_HEADER       *Header = NULL;
+
+
+    ACPI_FUNCTION_TRACE ("TbGetTableHeader");
+
+
+    /*
+     * Flags contains the current processor mode (Virtual or Physical addressing)
+     * The PointerType is either Logical or Physical
+     */
+    switch (Address->PointerType)
+    {
+    case ACPI_PHYSMODE_PHYSPTR:
+    case ACPI_LOGMODE_LOGPTR:
+
+        /* Pointer matches processor mode, copy the header */
+
+        ACPI_MEMCPY (ReturnHeader, Address->Pointer.Logical, sizeof (ACPI_TABLE_HEADER));
+        break;
+
+
+    case ACPI_LOGMODE_PHYSPTR:
+
+        /* Create a logical address for the physical pointer*/
+
+        Status = AcpiOsMapMemory (Address->Pointer.Physical, sizeof (ACPI_TABLE_HEADER),
+                                    (void **) &Header);
+        if (ACPI_FAILURE (Status))
+        {
+            ACPI_REPORT_ERROR (("Could not map memory at %8.8X%8.8X for length %X\n",
+                ACPI_HIDWORD (Address->Pointer.Physical), 
+                ACPI_LODWORD (Address->Pointer.Physical), 
+                sizeof (ACPI_TABLE_HEADER)));
+            return_ACPI_STATUS (Status);
+        }
+
+        /* Copy header and delete mapping */
+
+        ACPI_MEMCPY (ReturnHeader, Header, sizeof (ACPI_TABLE_HEADER));
+        AcpiOsUnmapMemory (Header, sizeof (ACPI_TABLE_HEADER));
+        break;
+
+
+    default:
+
+        ACPI_REPORT_ERROR (("Invalid address flags %X\n",
+            Address->PointerType));
+        return_ACPI_STATUS (AE_BAD_PARAMETER);
+    }
+
+    return_ACPI_STATUS (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiTbGetTableBody
+ *
+ * PARAMETERS:  Address             - Address of table to retrieve.  Can be
+ *                                    Logical or Physical
+ *              Header              - Header of the table to retrieve
+ *              TableInfo           - Where the table info is returned
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Get an entire ACPI table with support to allow the host OS to
+ *              replace the table with a newer version (table override.)
+ *              Works in both physical or virtual
+ *              addressing mode.  Works with both physical or logical pointers.
+ *              Table is either copied or mapped, depending on the pointer
+ *              type and mode of the processor.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiTbGetTableBody (
+    ACPI_POINTER            *Address,
+    ACPI_TABLE_HEADER       *Header,
+    ACPI_TABLE_DESC         *TableInfo)
+{
+    ACPI_STATUS             Status;
+
+
+    ACPI_FUNCTION_TRACE ("TbGetTableBody");
+
+
+    if (!TableInfo || !Address)
+    {
+        return_ACPI_STATUS (AE_BAD_PARAMETER);
+    }
+
+    /*
+     * Attempt table override.
+     */
+    Status = AcpiTbTableOverride (Header, TableInfo);
+    if (ACPI_SUCCESS (Status))
+    {
+        /* Table was overridden by the host OS */
+
+        return_ACPI_STATUS (Status);
+    }
+
+    /* No override, get the original table */
+
+    Status = AcpiTbGetThisTable (Address, Header, TableInfo);
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiTbTableOverride
+ *
+ * PARAMETERS:  Header              - Pointer to table header
+ *              TableInfo           - Return info if table is overridden
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Attempts override of current table with a new one if provided
+ *              by the host OS.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiTbTableOverride (
+    ACPI_TABLE_HEADER       *Header,
+    ACPI_TABLE_DESC         *TableInfo)
+{
+    ACPI_TABLE_HEADER       *NewTable;
+    ACPI_STATUS             Status;
+    ACPI_POINTER            Address;
+
+
+    ACPI_FUNCTION_TRACE ("TbTableOverride");
+
+
+    /*
+     * The OSL will examine the header and decide whether to override this
+     * table.  If it decides to override, a table will be returned in NewTable,
+     * which we will then copy.
+     */
+    Status = AcpiOsTableOverride (Header, &NewTable);
+    if (ACPI_FAILURE (Status))
+    {
+        /* Some severe error from the OSL, but we basically ignore it */
+
+        ACPI_REPORT_ERROR (("Could not override ACPI table, %s\n",
+            AcpiFormatException (Status)));
+        return_ACPI_STATUS (Status);
+    }
+
+    if (!NewTable)
+    {
+        /* No table override */
+
+        return_ACPI_STATUS (AE_NO_ACPI_TABLES);
+    }
+
+    /*
+     * We have a new table to override the old one.  Get a copy of
+     * the new one.  We know that the new table has a logical pointer.
+     */
+    Address.PointerType     = ACPI_LOGICAL_POINTER | ACPI_LOGICAL_ADDRESSING;
+    Address.Pointer.Logical = NewTable;
+
+    Status = AcpiTbGetThisTable (&Address, NewTable, TableInfo);
+    if (ACPI_FAILURE (Status))
+    {
+        ACPI_REPORT_ERROR (("Could not copy override ACPI table, %s\n",
+            AcpiFormatException (Status)));
+        return_ACPI_STATUS (Status);
+    }
+
+    /* Copy the table info */
+
+    ACPI_REPORT_INFO (("Table [%4.4s] replaced by host OS\n",
+        TableInfo->Pointer->Signature));
+
+    return_ACPI_STATUS (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiTbGetThisTable
+ *
+ * PARAMETERS:  Address             - Address of table to retrieve.  Can be
+ *                                    Logical or Physical
+ *              Header              - Header of the table to retrieve
+ *              TableInfo           - Where the table info is returned
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Get an entire ACPI table.  Works in both physical or virtual
+ *              addressing mode.  Works with both physical or logical pointers.
+ *              Table is either copied or mapped, depending on the pointer
+ *              type and mode of the processor.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiTbGetThisTable (
+    ACPI_POINTER            *Address,
+    ACPI_TABLE_HEADER       *Header,
+    ACPI_TABLE_DESC         *TableInfo)
+{
+    ACPI_TABLE_HEADER       *FullTable = NULL;
+    UINT8                   Allocation;
+    ACPI_STATUS             Status = AE_OK;
+
+
+    ACPI_FUNCTION_TRACE ("TbGetThisTable");
+
+
+    /*
+     * Flags contains the current processor mode (Virtual or Physical addressing)
+     * The PointerType is either Logical or Physical
+     */
+    switch (Address->PointerType)
+    {
+    case ACPI_PHYSMODE_PHYSPTR:
+    case ACPI_LOGMODE_LOGPTR:
+
+        /* Pointer matches processor mode, copy the table to a new buffer */
+
+        FullTable = ACPI_MEM_ALLOCATE (Header->Length);
+        if (!FullTable)
+        {
+            ACPI_REPORT_ERROR (("Could not allocate table memory for [%4.4s] length %X\n",
+                Header->Signature, Header->Length));
+            return_ACPI_STATUS (AE_NO_MEMORY);
+        }
+
+        /* Copy the entire table (including header) to the local buffer */
+
+        ACPI_MEMCPY (FullTable, Address->Pointer.Logical, Header->Length);
+
+        /* Save allocation type */
+
+        Allocation = ACPI_MEM_ALLOCATED;
+        break;
+
+
+    case ACPI_LOGMODE_PHYSPTR:
+
+        /*
+         * Just map the table's physical memory
+         * into our address space.
+         */
+        Status = AcpiOsMapMemory (Address->Pointer.Physical, (ACPI_SIZE) Header->Length,
+                                    (void **) &FullTable);
+        if (ACPI_FAILURE (Status))
+        {
+            ACPI_REPORT_ERROR (("Could not map memory for table [%4.4s] at %8.8X%8.8X for length %X\n",
+                Header->Signature,
+                ACPI_HIDWORD (Address->Pointer.Physical), 
+                ACPI_LODWORD (Address->Pointer.Physical), Header->Length));
+            return (Status);
+        }
+
+        /* Save allocation type */
+
+        Allocation = ACPI_MEM_MAPPED;
+        break;
+
+
+    default:
+
+        ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Invalid address flags %X\n",
+            Address->PointerType));
+        return_ACPI_STATUS (AE_BAD_PARAMETER);
+    }
+
+    /*
+     * Validate checksum for _most_ tables,
+     * even the ones whose signature we don't recognize
+     */
+    if (TableInfo->Type != ACPI_TABLE_FACS)
+    {
+        Status = AcpiTbVerifyTableChecksum (FullTable);
+
+#if (!ACPI_CHECKSUM_ABORT)
+        if (ACPI_FAILURE (Status))
+        {
+            /* Ignore the error if configuration says so */
+
+            Status = AE_OK;
+        }
+#endif
+    }
+
+    /* Return values */
+
+    TableInfo->Pointer      = FullTable;
+    TableInfo->Length       = (ACPI_SIZE) Header->Length;
+    TableInfo->Allocation   = Allocation;
+
+    ACPI_DEBUG_PRINT ((ACPI_DB_INFO,
+        "Found table [%4.4s] at %8.8X%8.8X, mapped/copied to %p\n",
+        FullTable->Signature,
+        ACPI_HIDWORD (Address->Pointer.Physical),
+        ACPI_LODWORD (Address->Pointer.Physical), FullTable));
+
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiTbGetTablePtr
+ *
+ * PARAMETERS:  TableType       - one of the defined table types
+ *              Instance        - Which table of this type
+ *              TablePtrLoc     - pointer to location to place the pointer for
+ *                                return
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: This function is called to get the pointer to an ACPI table.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiTbGetTablePtr (
+    ACPI_TABLE_TYPE         TableType,
+    UINT32                  Instance,
+    ACPI_TABLE_HEADER       **TablePtrLoc)
+{
+    ACPI_TABLE_DESC         *TableDesc;
+    UINT32                  i;
+
+
+    ACPI_FUNCTION_TRACE ("TbGetTablePtr");
+
+
+    if (!AcpiGbl_DSDT)
+    {
+        return_ACPI_STATUS (AE_NO_ACPI_TABLES);
+    }
+
+    if (TableType > ACPI_TABLE_MAX)
+    {
+        return_ACPI_STATUS (AE_BAD_PARAMETER);
+    }
+
+    /*
+     * For all table types (Single/Multiple), the first
+     * instance is always in the list head.
+     */
+    if (Instance == 1)
+    {
+        /*
+         * Just pluck the pointer out of the global table!
+         * Will be null if no table is present
+         */
+        *TablePtrLoc = AcpiGbl_AcpiTables[TableType].Pointer;
+        return_ACPI_STATUS (AE_OK);
+    }
+
+    /*
+     * Check for instance out of range
+     */
+    if (Instance > AcpiGbl_AcpiTables[TableType].Count)
+    {
+        return_ACPI_STATUS (AE_NOT_EXIST);
+    }
+
+    /* Walk the list to get the desired table
+     * Since the if (Instance == 1) check above checked for the
+     * first table, setting TableDesc equal to the .Next member
+     * is actually pointing to the second table.  Therefore, we
+     * need to walk from the 2nd table until we reach the Instance
+     * that the user is looking for and return its table pointer.
+     */
+    TableDesc = AcpiGbl_AcpiTables[TableType].Next;
+    for (i = 2; i < Instance; i++)
+    {
+        TableDesc = TableDesc->Next;
+    }
+
+    /* We are now pointing to the requested table's descriptor */
+
+    *TablePtrLoc = TableDesc->Pointer;
+
+    return_ACPI_STATUS (AE_OK);
+}
+
diff --git a/sys/contrib/dev/acpica/tbgetall.c b/sys/contrib/dev/acpica/tbgetall.c
new file mode 100644
index 0000000..fd7184d
--- /dev/null
+++ b/sys/contrib/dev/acpica/tbgetall.c
@@ -0,0 +1,403 @@
+/******************************************************************************
+ *
+ * Module Name: tbgetall - Get all required ACPI tables
+ *              $Revision: 3 $
+ *
+ *****************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+#define __TBGETALL_C__
+
+#include "acpi.h"
+#include "actables.h"
+
+
+#define _COMPONENT          ACPI_TABLES
+        ACPI_MODULE_NAME    ("tbgetall")
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiTbGetPrimaryTable
+ *
+ * PARAMETERS:  Address             - Physical address of table to retrieve
+ *              *TableInfo          - Where the table info is returned
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Maps the physical address of table into a logical address
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiTbGetPrimaryTable (
+    ACPI_POINTER            *Address,
+    ACPI_TABLE_DESC         *TableInfo)
+{
+    ACPI_STATUS             Status;
+    ACPI_TABLE_HEADER       Header;
+
+
+    ACPI_FUNCTION_TRACE ("TbGetPrimaryTable");
+
+
+    /* Ignore a NULL address in the RSDT */
+
+    if (!Address->Pointer.Value)
+    {
+        return_ACPI_STATUS (AE_OK);
+    }
+
+    /*
+     * Get the header in order to get signature and table size
+     */
+    Status = AcpiTbGetTableHeader (Address, &Header);
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    /* Clear the TableInfo */
+
+    ACPI_MEMSET (TableInfo, 0, sizeof (ACPI_TABLE_DESC));
+
+    /*
+     * Check the table signature and make sure it is recognized.
+     * Also checks the header checksum
+     */
+    TableInfo->Pointer = &Header;
+    Status = AcpiTbRecognizeTable (TableInfo, ACPI_TABLE_PRIMARY);
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    /* Get the entire table */
+
+    Status = AcpiTbGetTableBody (Address, &Header, TableInfo);
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    /* Install the table */
+
+    Status = AcpiTbInstallTable (TableInfo);
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiTbGetSecondaryTable
+ *
+ * PARAMETERS:  Address             - Physical address of table to retrieve
+ *              *TableInfo          - Where the table info is returned
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Maps the physical address of table into a logical address
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiTbGetSecondaryTable (
+    ACPI_POINTER            *Address,
+    ACPI_STRING             Signature,
+    ACPI_TABLE_DESC         *TableInfo)
+{
+    ACPI_STATUS             Status;
+    ACPI_TABLE_HEADER       Header;
+
+
+    ACPI_FUNCTION_TRACE_STR ("TbGetSecondaryTable", Signature);
+
+
+    /* Get the header in order to match the signature */
+
+    Status = AcpiTbGetTableHeader (Address, &Header);
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    /* Signature must match request */
+
+    if (ACPI_STRNCMP (Header.Signature, Signature, ACPI_NAME_SIZE))
+    {
+        ACPI_REPORT_ERROR (("Incorrect table signature - wanted [%s] found [%4.4s]\n",
+            Signature, Header.Signature));
+        return_ACPI_STATUS (AE_BAD_SIGNATURE);
+    }
+
+    /*
+     * Check the table signature and make sure it is recognized.
+     * Also checks the header checksum
+     */
+    TableInfo->Pointer = &Header;
+    Status = AcpiTbRecognizeTable (TableInfo, ACPI_TABLE_SECONDARY);
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    /* Get the entire table */
+
+    Status = AcpiTbGetTableBody (Address, &Header, TableInfo);
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    /* Install the table */
+
+    Status = AcpiTbInstallTable (TableInfo);
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiTbGetRequiredTables
+ *
+ * PARAMETERS:  None
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Load and validate tables other than the RSDT.  The RSDT must
+ *              already be loaded and validated.
+ *
+ *              Get the minimum set of ACPI tables, namely:
+ *
+ *              1) FADT (via RSDT in loop below)
+ *              2) FACS (via FADT)
+ *              3) DSDT (via FADT)
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiTbGetRequiredTables (
+    void)
+{
+    ACPI_STATUS             Status = AE_OK;
+    UINT32                  i;
+    ACPI_TABLE_DESC         TableInfo;
+    ACPI_POINTER            Address;
+
+
+    ACPI_FUNCTION_TRACE ("TbGetRequiredTables");
+
+    ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "%d ACPI tables in RSDT\n",
+        AcpiGbl_RsdtTableCount));
+
+
+    Address.PointerType   = AcpiGbl_TableFlags | ACPI_LOGICAL_ADDRESSING;
+
+    /*
+     * Loop through all table pointers found in RSDT.
+     * This will NOT include the FACS and DSDT - we must get
+     * them after the loop.
+     *
+     * The only tables we are interested in getting here is the FADT and
+     * any SSDTs.
+     */
+    for (i = 0; i < AcpiGbl_RsdtTableCount; i++)
+    {
+        /* Get the table addresss from the common internal XSDT */
+
+        Address.Pointer.Value = ACPI_GET_ADDRESS (AcpiGbl_XSDT->TableOffsetEntry[i]);
+
+        /*
+         * Get the tables needed by this subsystem (FADT and any SSDTs).
+         * NOTE: All other tables are completely ignored at this time.
+         */
+        Status = AcpiTbGetPrimaryTable (&Address, &TableInfo);
+        if ((Status != AE_OK) && (Status != AE_TABLE_NOT_SUPPORTED))
+        {
+            ACPI_REPORT_WARNING (("%s, while getting table at %8.8X%8.8X\n", 
+                AcpiFormatException (Status), 
+                ACPI_HIDWORD (Address.Pointer.Value),
+                ACPI_LODWORD (Address.Pointer.Value)));
+        }
+    }
+
+    /* We must have a FADT to continue */
+
+    if (!AcpiGbl_FADT)
+    {
+        ACPI_REPORT_ERROR (("No FADT present in RSDT/XSDT\n"));
+        return_ACPI_STATUS (AE_NO_ACPI_TABLES);
+    }
+
+    /*
+     * Convert the FADT to a common format.  This allows earlier revisions of the
+     * table to coexist with newer versions, using common access code.
+     */
+    Status = AcpiTbConvertTableFadt ();
+    if (ACPI_FAILURE (Status))
+    {
+        ACPI_REPORT_ERROR (("Could not convert FADT to internal common format\n"));
+        return_ACPI_STATUS (Status);
+    }
+
+    /*
+     * Get the FACS (Pointed to by the FADT)
+     */
+    Address.Pointer.Value = ACPI_GET_ADDRESS (AcpiGbl_FADT->XFirmwareCtrl);
+
+    Status = AcpiTbGetSecondaryTable (&Address, FACS_SIG, &TableInfo);
+    if (ACPI_FAILURE (Status))
+    {
+        ACPI_REPORT_ERROR (("Could not get/install the FACS, %s\n",
+            AcpiFormatException (Status)));
+        return_ACPI_STATUS (Status);
+    }
+
+    /*
+     * Create the common FACS pointer table
+     * (Contains pointers to the original table)
+     */
+    Status = AcpiTbBuildCommonFacs (&TableInfo);
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    /*
+     * Get/install the DSDT (Pointed to by the FADT)
+     */
+    Address.Pointer.Value = ACPI_GET_ADDRESS (AcpiGbl_FADT->XDsdt);
+
+    Status = AcpiTbGetSecondaryTable (&Address, DSDT_SIG, &TableInfo);
+    if (ACPI_FAILURE (Status))
+    {
+        ACPI_REPORT_ERROR (("Could not get/install the DSDT\n"));
+        return_ACPI_STATUS (Status);
+    }
+
+    /* Set Integer Width (32/64) based upon DSDT revision */
+
+    AcpiUtSetIntegerWidth (AcpiGbl_DSDT->Revision);
+
+    /* Dump the entire DSDT */
+
+    ACPI_DEBUG_PRINT ((ACPI_DB_TABLES,
+        "Hex dump of entire DSDT, size %d (0x%X), Integer width = %d\n",
+        AcpiGbl_DSDT->Length, AcpiGbl_DSDT->Length, AcpiGbl_IntegerBitWidth));
+    ACPI_DUMP_BUFFER ((UINT8 *) AcpiGbl_DSDT, AcpiGbl_DSDT->Length);
+
+    /* Always delete the RSDP mapping, we are done with it */
+
+    AcpiTbDeleteAcpiTable (ACPI_TABLE_RSDP);
+    return_ACPI_STATUS (Status);
+}
+
+
diff --git a/sys/contrib/dev/acpica/tbinstal.c b/sys/contrib/dev/acpica/tbinstal.c
new file mode 100644
index 0000000..d4a28d1
--- /dev/null
+++ b/sys/contrib/dev/acpica/tbinstal.c
@@ -0,0 +1,682 @@
+/******************************************************************************
+ *
+ * Module Name: tbinstal - ACPI table installation and removal
+ *              $Revision: 64 $
+ *
+ *****************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+
+#define __TBINSTAL_C__
+
+#include "acpi.h"
+#include "actables.h"
+
+
+#define _COMPONENT          ACPI_TABLES
+        ACPI_MODULE_NAME    ("tbinstal")
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiTbMatchSignature
+ *
+ * PARAMETERS:  Signature           - Table signature to match
+ *              TableInfo           - Return data
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Compare signature against the list of "ACPI-subsystem-owned"
+ *              tables (DSDT/FADT/SSDT, etc.) Returns the TableTypeID on match.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiTbMatchSignature (
+    NATIVE_CHAR             *Signature,
+    ACPI_TABLE_DESC         *TableInfo,
+    UINT8                   SearchType)
+{
+    NATIVE_UINT             i;
+
+
+    ACPI_FUNCTION_TRACE ("TbMatchSignature");
+
+
+    /*
+     * Search for a signature match among the known table types
+     */
+    for (i = 0; i < NUM_ACPI_TABLES; i++)
+    {
+        if ((AcpiGbl_AcpiTableData[i].Flags & ACPI_TABLE_TYPE_MASK) != SearchType)
+        {
+            continue;
+        }
+
+        if (!ACPI_STRNCMP (Signature, AcpiGbl_AcpiTableData[i].Signature,
+                      AcpiGbl_AcpiTableData[i].SigLength))
+        {
+            /* Found a signature match, return index if requested */
+
+            if (TableInfo)
+            {
+                TableInfo->Type = (UINT8) i;
+            }
+
+            ACPI_DEBUG_PRINT ((ACPI_DB_INFO,
+                "Table [%4.4s] matched and is a required ACPI table\n",
+                (char *) AcpiGbl_AcpiTableData[i].Signature));
+
+            return_ACPI_STATUS (AE_OK);
+        }
+    }
+
+    ACPI_DEBUG_PRINT ((ACPI_DB_INFO,
+        "Table [%4.4s] is not a required ACPI table - ignored\n",
+        (char *) Signature));
+
+    return_ACPI_STATUS (AE_TABLE_NOT_SUPPORTED);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiTbInstallTable
+ *
+ * PARAMETERS:  TableInfo           - Return value from AcpiTbGetTableBody
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Load and validate all tables other than the RSDT.  The RSDT must
+ *              already be loaded and validated.
+ *              Install the table into the global data structs.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiTbInstallTable (
+    ACPI_TABLE_DESC         *TableInfo)
+{
+    ACPI_STATUS             Status;
+
+    ACPI_FUNCTION_TRACE ("TbInstallTable");
+
+
+    /* Lock tables while installing */
+
+    Status = AcpiUtAcquireMutex (ACPI_MTX_TABLES);
+    if (ACPI_FAILURE (Status))
+    {
+        ACPI_REPORT_ERROR (("Could not acquire table mutex for [%4.4s], %s\n",
+            TableInfo->Pointer->Signature, AcpiFormatException (Status)));
+        return_ACPI_STATUS (Status);
+    }
+
+    /* Install the table into the global data structure */
+
+    Status = AcpiTbInitTableDescriptor (TableInfo->Type, TableInfo);
+    if (ACPI_FAILURE (Status))
+    {
+        ACPI_REPORT_ERROR (("Could not install ACPI table [%s], %s\n",
+            TableInfo->Pointer->Signature, AcpiFormatException (Status)));
+    }
+
+    ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "%s located at %p\n",
+        AcpiGbl_AcpiTableData[TableInfo->Type].Name, TableInfo->Pointer));
+
+    (void) AcpiUtReleaseMutex (ACPI_MTX_TABLES);
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiTbRecognizeTable
+ *
+ * PARAMETERS:  TableInfo           - Return value from AcpiTbGetTableBody
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Check a table signature for a match against known table types
+ *
+ * NOTE:  All table pointers are validated as follows:
+ *          1) Table pointer must point to valid physical memory
+ *          2) Signature must be 4 ASCII chars, even if we don't recognize the
+ *             name
+ *          3) Table must be readable for length specified in the header
+ *          4) Table checksum must be valid (with the exception of the FACS
+ *             which has no checksum for some odd reason)
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiTbRecognizeTable (
+    ACPI_TABLE_DESC         *TableInfo,
+    UINT8                   SearchType)
+{
+    ACPI_TABLE_HEADER       *TableHeader;
+    ACPI_STATUS             Status;
+
+
+    ACPI_FUNCTION_TRACE ("TbRecognizeTable");
+
+
+    /* Ensure that we have a valid table pointer */
+
+    TableHeader = (ACPI_TABLE_HEADER *) TableInfo->Pointer;
+    if (!TableHeader)
+    {
+        return_ACPI_STATUS (AE_BAD_PARAMETER);
+    }
+
+    /*
+     * We only "recognize" a limited number of ACPI tables -- namely, the
+     * ones that are used by the subsystem (DSDT, FADT, etc.)
+     *
+     * An AE_TABLE_NOT_SUPPORTED means that the table was not recognized.
+     * This can be any one of many valid ACPI tables, it just isn't one of
+     * the tables that is consumed by the core subsystem
+     */
+    Status = AcpiTbMatchSignature (TableHeader->Signature, TableInfo, SearchType);
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    Status = AcpiTbValidateTableHeader (TableHeader);
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    /* Return the table type and length via the info struct */
+
+    TableInfo->Length = (ACPI_SIZE) TableHeader->Length;
+
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiTbInitTableDescriptor
+ *
+ * PARAMETERS:  TableType           - The type of the table
+ *              TableInfo           - A table info struct
+ *
+ * RETURN:      None.
+ *
+ * DESCRIPTION: Install a table into the global data structs.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiTbInitTableDescriptor (
+    ACPI_TABLE_TYPE         TableType,
+    ACPI_TABLE_DESC         *TableInfo)
+{
+    ACPI_TABLE_DESC         *ListHead;
+    ACPI_TABLE_DESC         *TableDesc;
+
+
+    ACPI_FUNCTION_TRACE_U32 ("TbInitTableDescriptor", TableType);
+
+    /*
+     * Install the table into the global data structure
+     */
+    ListHead    = &AcpiGbl_AcpiTables[TableType];
+    TableDesc   = ListHead;
+
+    /*
+     * Two major types of tables:  1) Only one instance is allowed.  This
+     * includes most ACPI tables such as the DSDT.  2) Multiple instances of
+     * the table are allowed.  This includes SSDT and PSDTs.
+     */
+    if (ACPI_IS_SINGLE_TABLE (AcpiGbl_AcpiTableData[TableType].Flags))
+    {
+        /*
+         * Only one table allowed, and a table has alread been installed
+         *  at this location, so return an error.
+         */
+        if (ListHead->Pointer)
+        {
+            return_ACPI_STATUS (AE_ALREADY_EXISTS);
+        }
+
+        TableDesc->Count = 1;
+        TableDesc->Prev = NULL;
+        TableDesc->Next = NULL;
+    }
+    else
+    {
+        /*
+         * Multiple tables allowed for this table type, we must link
+         * the new table in to the list of tables of this type.
+         */
+        if (ListHead->Pointer)
+        {
+            TableDesc = ACPI_MEM_CALLOCATE (sizeof (ACPI_TABLE_DESC));
+            if (!TableDesc)
+            {
+                return_ACPI_STATUS (AE_NO_MEMORY);
+            }
+
+            ListHead->Count++;
+
+            /* Update the original previous */
+
+            ListHead->Prev->Next = TableDesc;
+
+            /* Update new entry */
+
+            TableDesc->Prev = ListHead->Prev;
+            TableDesc->Next = ListHead;
+
+            /* Update list head */
+
+            ListHead->Prev = TableDesc;
+        }
+        else
+        {
+            TableDesc->Count = 1;
+        }
+    }
+
+    /* Common initialization of the table descriptor */
+
+    TableDesc->Type                 = TableInfo->Type;
+    TableDesc->Pointer              = TableInfo->Pointer;
+    TableDesc->Length               = TableInfo->Length;
+    TableDesc->Allocation           = TableInfo->Allocation;
+    TableDesc->AmlStart             = (UINT8 *) (TableDesc->Pointer + 1),
+    TableDesc->AmlLength            = (UINT32) (TableDesc->Length -
+                                        (UINT32) sizeof (ACPI_TABLE_HEADER));
+    TableDesc->TableId              = AcpiUtAllocateOwnerId (ACPI_OWNER_TYPE_TABLE);
+    TableDesc->LoadedIntoNamespace  = FALSE;
+
+    /*
+     * Set the appropriate global pointer (if there is one) to point to the
+     * newly installed table
+     */
+    if (AcpiGbl_AcpiTableData[TableType].GlobalPtr)
+    {
+        *(AcpiGbl_AcpiTableData[TableType].GlobalPtr) = TableInfo->Pointer;
+    }
+
+    /* Return Data */
+
+    TableInfo->TableId          = TableDesc->TableId;
+    TableInfo->InstalledDesc    = TableDesc;
+
+    return_ACPI_STATUS (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiTbDeleteAcpiTables
+ *
+ * PARAMETERS:  None.
+ *
+ * RETURN:      None.
+ *
+ * DESCRIPTION: Delete all internal ACPI tables
+ *
+ ******************************************************************************/
+
+void
+AcpiTbDeleteAcpiTables (void)
+{
+    ACPI_TABLE_TYPE             Type;
+
+
+    /*
+     * Free memory allocated for ACPI tables
+     * Memory can either be mapped or allocated
+     */
+    for (Type = 0; Type < NUM_ACPI_TABLES; Type++)
+    {
+        AcpiTbDeleteAcpiTable (Type);
+    }
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiTbDeleteAcpiTable
+ *
+ * PARAMETERS:  Type                - The table type to be deleted
+ *
+ * RETURN:      None.
+ *
+ * DESCRIPTION: Delete an internal ACPI table
+ *              Locks the ACPI table mutex
+ *
+ ******************************************************************************/
+
+void
+AcpiTbDeleteAcpiTable (
+    ACPI_TABLE_TYPE             Type)
+{
+
+    ACPI_FUNCTION_TRACE_U32 ("TbDeleteAcpiTable", Type);
+
+
+    if (Type > ACPI_TABLE_MAX)
+    {
+        return_VOID;
+    }
+
+    if (ACPI_FAILURE (AcpiUtAcquireMutex (ACPI_MTX_TABLES)))
+    {
+        return;
+    }
+
+    /* Clear the appropriate "typed" global table pointer */
+
+    switch (Type)
+    {
+    case ACPI_TABLE_RSDP:
+        AcpiGbl_RSDP = NULL;
+        break;
+
+    case ACPI_TABLE_DSDT:
+        AcpiGbl_DSDT = NULL;
+        break;
+
+    case ACPI_TABLE_FADT:
+        AcpiGbl_FADT = NULL;
+        break;
+
+    case ACPI_TABLE_FACS:
+        AcpiGbl_FACS = NULL;
+        break;
+
+    case ACPI_TABLE_XSDT:
+        AcpiGbl_XSDT = NULL;
+        break;
+
+    case ACPI_TABLE_SSDT:
+    case ACPI_TABLE_PSDT:
+    default:
+        break;
+    }
+
+    /* Free the table */
+
+    AcpiTbFreeAcpiTablesOfType (&AcpiGbl_AcpiTables[Type]);
+
+    (void) AcpiUtReleaseMutex (ACPI_MTX_TABLES);
+    return_VOID;
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiTbFreeAcpiTablesOfType
+ *
+ * PARAMETERS:  TableInfo           - A table info struct
+ *
+ * RETURN:      None.
+ *
+ * DESCRIPTION: Free the memory associated with an internal ACPI table
+ *              Table mutex should be locked.
+ *
+ ******************************************************************************/
+
+void
+AcpiTbFreeAcpiTablesOfType (
+    ACPI_TABLE_DESC         *ListHead)
+{
+    ACPI_TABLE_DESC         *TableDesc;
+    UINT32                  Count;
+    UINT32                  i;
+
+
+    ACPI_FUNCTION_TRACE_PTR ("TbFreeAcpiTablesOfType", ListHead);
+
+
+    /* Get the head of the list */
+
+    TableDesc   = ListHead;
+    Count       = ListHead->Count;
+
+    /*
+     * Walk the entire list, deleting both the allocated tables
+     * and the table descriptors
+     */
+    for (i = 0; i < Count; i++)
+    {
+        TableDesc = AcpiTbUninstallTable (TableDesc);
+    }
+
+    return_VOID;
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiTbDeleteSingleTable
+ *
+ * PARAMETERS:  TableInfo           - A table info struct
+ *
+ * RETURN:      None.
+ *
+ * DESCRIPTION: Low-level free for a single ACPI table.  Handles cases where
+ *              the table was allocated a buffer or was mapped.
+ *
+ ******************************************************************************/
+
+void
+AcpiTbDeleteSingleTable (
+    ACPI_TABLE_DESC         *TableDesc)
+{
+
+    if (!TableDesc)
+    {
+        return;
+    }
+
+    if (TableDesc->Pointer)
+    {
+        /* Valid table, determine type of memory allocation */
+
+        switch (TableDesc->Allocation)
+        {
+        case ACPI_MEM_NOT_ALLOCATED:
+            break;
+
+        case ACPI_MEM_ALLOCATED:
+
+            ACPI_MEM_FREE (TableDesc->Pointer);
+            break;
+
+        case ACPI_MEM_MAPPED:
+
+            AcpiOsUnmapMemory (TableDesc->Pointer, TableDesc->Length);
+            break;
+
+        default:
+            break;
+        }
+    }
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiTbUninstallTable
+ *
+ * PARAMETERS:  TableInfo           - A table info struct
+ *
+ * RETURN:      Pointer to the next table in the list (of same type)
+ *
+ * DESCRIPTION: Free the memory associated with an internal ACPI table that
+ *              is either installed or has never been installed.
+ *              Table mutex should be locked.
+ *
+ ******************************************************************************/
+
+ACPI_TABLE_DESC *
+AcpiTbUninstallTable (
+    ACPI_TABLE_DESC         *TableDesc)
+{
+    ACPI_TABLE_DESC         *NextDesc;
+
+
+    ACPI_FUNCTION_TRACE_PTR ("AcpiTbUninstallTable", TableDesc);
+
+
+    if (!TableDesc)
+    {
+        return_PTR (NULL);
+    }
+
+    /* Unlink the descriptor */
+
+    if (TableDesc->Prev)
+    {
+        TableDesc->Prev->Next = TableDesc->Next;
+    }
+
+    if (TableDesc->Next)
+    {
+        TableDesc->Next->Prev = TableDesc->Prev;
+    }
+
+    /* Free the memory allocated for the table itself */
+
+    AcpiTbDeleteSingleTable (TableDesc);
+
+    /* Free the table descriptor (Don't delete the list head, tho) */
+
+    if ((TableDesc->Prev) == (TableDesc->Next))
+    {
+        NextDesc = NULL;
+
+        /* Clear the list head */
+
+        TableDesc->Pointer   = NULL;
+        TableDesc->Length    = 0;
+        TableDesc->Count     = 0;
+    }
+    else
+    {
+        /* Free the table descriptor */
+
+        NextDesc = TableDesc->Next;
+        ACPI_MEM_FREE (TableDesc);
+    }
+
+    return_PTR (NextDesc);
+}
+
+
diff --git a/sys/contrib/dev/acpica/tbrsdt.c b/sys/contrib/dev/acpica/tbrsdt.c
new file mode 100644
index 0000000..9876f61
--- /dev/null
+++ b/sys/contrib/dev/acpica/tbrsdt.c
@@ -0,0 +1,406 @@
+/******************************************************************************
+ *
+ * Module Name: tbrsdt - ACPI RSDT table utilities
+ *              $Revision: 4 $
+ *
+ *****************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+#define __TBRSDT_C__
+
+#include "acpi.h"
+#include "actables.h"
+
+
+#define _COMPONENT          ACPI_TABLES
+        ACPI_MODULE_NAME    ("tbrsdt")
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiTbVerifyRsdp
+ *
+ * PARAMETERS:  Address         - RSDP (Pointer to RSDT)
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Load and validate the RSDP (ptr) and RSDT (table)
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiTbVerifyRsdp (
+    ACPI_POINTER            *Address)
+{
+    ACPI_TABLE_DESC         TableInfo;
+    ACPI_STATUS             Status;
+    RSDP_DESCRIPTOR         *Rsdp;
+
+
+    ACPI_FUNCTION_TRACE ("TbVerifyRsdp");
+
+
+    switch (Address->PointerType)
+    {
+    case ACPI_LOGICAL_POINTER:
+
+        Rsdp = Address->Pointer.Logical;
+        break;
+
+    case ACPI_PHYSICAL_POINTER:
+        /*
+         * Obtain access to the RSDP structure
+         */
+        Status = AcpiOsMapMemory (Address->Pointer.Physical, sizeof (RSDP_DESCRIPTOR),
+                                    (void **) &Rsdp);
+        if (ACPI_FAILURE (Status))
+        {
+            return_ACPI_STATUS (Status);
+        }
+        break;
+
+    default:
+        return_ACPI_STATUS (AE_BAD_PARAMETER);
+    }
+
+    /*
+     *  The signature and checksum must both be correct
+     */
+    if (ACPI_STRNCMP ((NATIVE_CHAR *) Rsdp, RSDP_SIG, sizeof (RSDP_SIG)-1) != 0)
+    {
+        /* Nope, BAD Signature */
+
+        Status = AE_BAD_SIGNATURE;
+        goto Cleanup;
+    }
+
+    /* Check the standard checksum */
+
+    if (AcpiTbChecksum (Rsdp, ACPI_RSDP_CHECKSUM_LENGTH) != 0)
+    {
+        Status = AE_BAD_CHECKSUM;
+        goto Cleanup;
+    }
+
+    /* Check extended checksum if table version >= 2 */
+
+    if (Rsdp->Revision >= 2)
+    {
+        if (AcpiTbChecksum (Rsdp, ACPI_RSDP_XCHECKSUM_LENGTH) != 0)
+        {
+            Status = AE_BAD_CHECKSUM;
+            goto Cleanup;
+        }
+    }
+
+    /* The RSDP supplied is OK */
+
+    TableInfo.Pointer      = ACPI_CAST_PTR (ACPI_TABLE_HEADER, Rsdp);
+    TableInfo.Length       = sizeof (RSDP_DESCRIPTOR);
+    TableInfo.Allocation   = ACPI_MEM_MAPPED;
+
+    /* Save the table pointers and allocation info */
+
+    Status = AcpiTbInitTableDescriptor (ACPI_TABLE_RSDP, &TableInfo);
+    if (ACPI_FAILURE (Status))
+    {
+        goto Cleanup;
+    }
+
+    /* Save the RSDP in a global for easy access */
+
+    AcpiGbl_RSDP = ACPI_CAST_PTR (RSDP_DESCRIPTOR, TableInfo.Pointer);
+    return_ACPI_STATUS (Status);
+
+
+    /* Error exit */
+Cleanup:
+
+    if (AcpiGbl_TableFlags & ACPI_PHYSICAL_POINTER)
+    {
+        AcpiOsUnmapMemory (Rsdp, sizeof (RSDP_DESCRIPTOR));
+    }
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiTbGetRsdtAddress
+ *
+ * PARAMETERS:  None
+ *
+ * RETURN:      RSDT physical address
+ *
+ * DESCRIPTION: Extract the address of the RSDT or XSDT, depending on the
+ *              version of the RSDP
+ *
+ ******************************************************************************/
+
+void
+AcpiTbGetRsdtAddress (
+    ACPI_POINTER            *OutAddress)
+{
+
+    ACPI_FUNCTION_ENTRY ();
+
+
+    OutAddress->PointerType = AcpiGbl_TableFlags | ACPI_LOGICAL_ADDRESSING;
+
+    /*
+     * For RSDP revision 0 or 1, we use the RSDT.
+     * For RSDP revision 2 (and above), we use the XSDT
+     */
+    if (AcpiGbl_RSDP->Revision < 2)
+    {
+        OutAddress->Pointer.Value = AcpiGbl_RSDP->RsdtPhysicalAddress;
+    }
+    else
+    {
+        OutAddress->Pointer.Value = ACPI_GET_ADDRESS (AcpiGbl_RSDP->XsdtPhysicalAddress);
+    }
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiTbValidateRsdt
+ *
+ * PARAMETERS:  TablePtr        - Addressable pointer to the RSDT.
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Validate signature for the RSDT or XSDT
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiTbValidateRsdt (
+    ACPI_TABLE_HEADER       *TablePtr)
+{
+    int                     NoMatch;
+
+
+    ACPI_FUNCTION_NAME ("TbValidateRsdt");
+
+
+    /*
+     * For RSDP revision 0 or 1, we use the RSDT.
+     * For RSDP revision 2 and above, we use the XSDT
+     */
+    if (AcpiGbl_RSDP->Revision < 2)
+    {
+        NoMatch = ACPI_STRNCMP ((char *) TablePtr, RSDT_SIG,
+                        sizeof (RSDT_SIG) -1);
+    }
+    else
+    {
+        NoMatch = ACPI_STRNCMP ((char *) TablePtr, XSDT_SIG,
+                        sizeof (XSDT_SIG) -1);
+    }
+
+    if (NoMatch)
+    {
+        /* Invalid RSDT or XSDT signature */
+
+        ACPI_REPORT_ERROR (("Invalid signature where RSDP indicates RSDT/XSDT should be located\n"));
+
+        ACPI_DUMP_BUFFER (AcpiGbl_RSDP, 20);
+
+        ACPI_DEBUG_PRINT_RAW ((ACPI_DB_ERROR,
+            "RSDT/XSDT signature at %X (%p) is invalid\n",
+            AcpiGbl_RSDP->RsdtPhysicalAddress,
+            (void *) (NATIVE_UINT) AcpiGbl_RSDP->RsdtPhysicalAddress));
+
+        return (AE_BAD_SIGNATURE);
+    }
+
+    return (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiTbGetTableRsdt
+ *
+ * PARAMETERS:  None
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Load and validate the RSDP (ptr) and RSDT (table)
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiTbGetTableRsdt (
+    void)
+{
+    ACPI_TABLE_DESC         TableInfo;
+    ACPI_STATUS             Status;
+    ACPI_POINTER            Address;
+
+
+    ACPI_FUNCTION_TRACE ("TbGetTableRsdt");
+
+
+    /* Get the RSDT/XSDT via the RSDP */
+
+    AcpiTbGetRsdtAddress (&Address);
+
+    Status = AcpiTbGetTable (&Address, &TableInfo);
+    if (ACPI_FAILURE (Status))
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Could not get the RSDT/XSDT, %s\n",
+            AcpiFormatException (Status)));
+        return_ACPI_STATUS (Status);
+    }
+
+    ACPI_DEBUG_PRINT ((ACPI_DB_INFO,
+        "RSDP located at %p, points to RSDT physical=%8.8X%8.8X \n",
+        AcpiGbl_RSDP,
+        ACPI_HIDWORD (Address.Pointer.Value),
+        ACPI_LODWORD (Address.Pointer.Value)));
+
+    /* Check the RSDT or XSDT signature */
+
+    Status = AcpiTbValidateRsdt (TableInfo.Pointer);
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    /* Get the number of tables defined in the RSDT or XSDT */
+
+    AcpiGbl_RsdtTableCount = AcpiTbGetTableCount (AcpiGbl_RSDP, TableInfo.Pointer);
+
+    /* Convert and/or copy to an XSDT structure */
+
+    Status = AcpiTbConvertToXsdt (&TableInfo);
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    /* Save the table pointers and allocation info */
+
+    Status = AcpiTbInitTableDescriptor (ACPI_TABLE_XSDT, &TableInfo);
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    AcpiGbl_XSDT = (XSDT_DESCRIPTOR *) TableInfo.Pointer;
+
+    ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "XSDT located at %p\n", AcpiGbl_XSDT));
+    return_ACPI_STATUS (Status);
+}
+
+
diff --git a/sys/contrib/dev/acpica/tbutils.c b/sys/contrib/dev/acpica/tbutils.c
new file mode 100644
index 0000000..773bd19
--- /dev/null
+++ b/sys/contrib/dev/acpica/tbutils.c
@@ -0,0 +1,323 @@
+/******************************************************************************
+ *
+ * Module Name: tbutils - Table manipulation utilities
+ *              $Revision: 57 $
+ *
+ *****************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+#define __TBUTILS_C__
+
+#include "acpi.h"
+#include "actables.h"
+
+
+#define _COMPONENT          ACPI_TABLES
+        ACPI_MODULE_NAME    ("tbutils")
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiTbHandleToObject
+ *
+ * PARAMETERS:  TableId             - Id for which the function is searching
+ *              TableDesc           - Pointer to return the matching table
+ *                                      descriptor.
+ *
+ * RETURN:      Search the tables to find one with a matching TableId and
+ *              return a pointer to that table descriptor.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiTbHandleToObject (
+    UINT16                  TableId,
+    ACPI_TABLE_DESC         **TableDesc)
+{
+    UINT32                  i;
+    ACPI_TABLE_DESC         *ListHead;
+
+
+    ACPI_FUNCTION_NAME ("TbHandleToObject");
+
+
+    for (i = 0; i < ACPI_TABLE_MAX; i++)
+    {
+        ListHead = &AcpiGbl_AcpiTables[i];
+        do
+        {
+            if (ListHead->TableId == TableId)
+            {
+                *TableDesc = ListHead;
+                return (AE_OK);
+            }
+
+            ListHead = ListHead->Next;
+
+        } while (ListHead != &AcpiGbl_AcpiTables[i]);
+    }
+
+    ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "TableId=%X does not exist\n", TableId));
+    return (AE_BAD_PARAMETER);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiTbValidateTableHeader
+ *
+ * PARAMETERS:  TableHeader         - Logical pointer to the table
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Check an ACPI table header for validity
+ *
+ * NOTE:  Table pointers are validated as follows:
+ *          1) Table pointer must point to valid physical memory
+ *          2) Signature must be 4 ASCII chars, even if we don't recognize the
+ *             name
+ *          3) Table must be readable for length specified in the header
+ *          4) Table checksum must be valid (with the exception of the FACS
+ *              which has no checksum because it contains variable fields)
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiTbValidateTableHeader (
+    ACPI_TABLE_HEADER       *TableHeader)
+{
+    ACPI_NAME               Signature;
+
+
+    ACPI_FUNCTION_NAME ("TbValidateTableHeader");
+
+
+    /* Verify that this is a valid address */
+
+    if (!AcpiOsReadable (TableHeader, sizeof (ACPI_TABLE_HEADER)))
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+            "Cannot read table header at %p\n", TableHeader));
+        return (AE_BAD_ADDRESS);
+    }
+
+    /* Ensure that the signature is 4 ASCII characters */
+
+    ACPI_MOVE_UNALIGNED32_TO_32 (&Signature, TableHeader->Signature);
+    if (!AcpiUtValidAcpiName (Signature))
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+            "Table signature at %p [%p] has invalid characters\n",
+            TableHeader, &Signature));
+
+        ACPI_REPORT_WARNING (("Invalid table signature found: [%4.4s]\n",
+            (char *) &Signature));
+        ACPI_DUMP_BUFFER (TableHeader, sizeof (ACPI_TABLE_HEADER));
+        return (AE_BAD_SIGNATURE);
+    }
+
+    /* Validate the table length */
+
+    if (TableHeader->Length < sizeof (ACPI_TABLE_HEADER))
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+            "Invalid length in table header %p name %4.4s\n",
+            TableHeader, (char *) &Signature));
+
+        ACPI_REPORT_WARNING (("Invalid table header length (0x%X) found\n",
+            (UINT32) TableHeader->Length));
+        ACPI_DUMP_BUFFER (TableHeader, sizeof (ACPI_TABLE_HEADER));
+        return (AE_BAD_HEADER);
+    }
+
+    return (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiTbVerifyTableChecksum
+ *
+ * PARAMETERS:  *TableHeader            - ACPI table to verify
+ *
+ * RETURN:      8 bit checksum of table
+ *
+ * DESCRIPTION: Does an 8 bit checksum of table and returns status.  A correct
+ *              table should have a checksum of 0.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiTbVerifyTableChecksum (
+    ACPI_TABLE_HEADER       *TableHeader)
+{
+    UINT8                   Checksum;
+    ACPI_STATUS             Status = AE_OK;
+
+
+    ACPI_FUNCTION_TRACE ("TbVerifyTableChecksum");
+
+
+    /* Compute the checksum on the table */
+
+    Checksum = AcpiTbChecksum (TableHeader, TableHeader->Length);
+
+    /* Return the appropriate exception */
+
+    if (Checksum)
+    {
+        ACPI_REPORT_WARNING (("Invalid checksum in table [%4.4s] (%02X, sum %02X is not zero)\n",
+            TableHeader->Signature, (UINT32) TableHeader->Checksum, (UINT32) Checksum));
+
+        Status = AE_BAD_CHECKSUM;
+    }
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiTbChecksum
+ *
+ * PARAMETERS:  Buffer              - Buffer to checksum
+ *              Length              - Size of the buffer
+ *
+ * RETURNS      8 bit checksum of buffer
+ *
+ * DESCRIPTION: Computes an 8 bit checksum of the buffer(length) and returns it.
+ *
+ ******************************************************************************/
+
+UINT8
+AcpiTbChecksum (
+    void                    *Buffer,
+    UINT32                  Length)
+{
+    const UINT8             *limit;
+    const UINT8             *rover;
+    UINT8                   sum = 0;
+
+
+    if (Buffer && Length)
+    {
+        /*  Buffer and Length are valid   */
+
+        limit = (UINT8 *) Buffer + Length;
+
+        for (rover = Buffer; rover < limit; rover++)
+        {
+            sum = (UINT8) (sum + *rover);
+        }
+    }
+    return (sum);
+}
+
+
diff --git a/sys/contrib/dev/acpica/tbxface.c b/sys/contrib/dev/acpica/tbxface.c
new file mode 100644
index 0000000..d83f2c1
--- /dev/null
+++ b/sys/contrib/dev/acpica/tbxface.c
@@ -0,0 +1,541 @@
+/******************************************************************************
+ *
+ * Module Name: tbxface - Public interfaces to the ACPI subsystem
+ *                         ACPI table oriented interfaces
+ *              $Revision: 59 $
+ *
+ *****************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+#define __TBXFACE_C__
+
+#include "acpi.h"
+#include "acnamesp.h"
+#include "actables.h"
+
+
+#define _COMPONENT          ACPI_TABLES
+        ACPI_MODULE_NAME    ("tbxface")
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiLoadTables
+ *
+ * PARAMETERS:  None
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: This function is called to load the ACPI tables from the
+ *              provided RSDT
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiLoadTables (void)
+{
+    ACPI_POINTER            RsdpAddress;
+    ACPI_STATUS             Status;
+
+
+    ACPI_FUNCTION_TRACE ("AcpiLoadTables");
+
+
+    /* Get the RSDP */
+
+    Status = AcpiOsGetRootPointer (ACPI_LOGICAL_ADDRESSING,
+                    &RsdpAddress);
+    if (ACPI_FAILURE (Status))
+    {
+        ACPI_REPORT_ERROR (("AcpiLoadTables: Could not get RSDP, %s\n",
+                        AcpiFormatException (Status)));
+        goto ErrorExit;
+    }
+
+    /* Map and validate the RSDP */
+
+    AcpiGbl_TableFlags = RsdpAddress.PointerType;
+
+    Status = AcpiTbVerifyRsdp (&RsdpAddress);
+    if (ACPI_FAILURE (Status))
+    {
+        ACPI_REPORT_ERROR (("AcpiLoadTables: RSDP Failed validation: %s\n",
+                        AcpiFormatException (Status)));
+        goto ErrorExit;
+    }
+
+    /* Get the RSDT via the RSDP */
+
+    Status = AcpiTbGetTableRsdt ();
+    if (ACPI_FAILURE (Status))
+    {
+        ACPI_REPORT_ERROR (("AcpiLoadTables: Could not load RSDT: %s\n",
+                        AcpiFormatException (Status)));
+        goto ErrorExit;
+    }
+
+    /* Now get the tables needed by this subsystem (FADT, DSDT, etc.) */
+
+    Status = AcpiTbGetRequiredTables ();
+    if (ACPI_FAILURE (Status))
+    {
+        ACPI_REPORT_ERROR (("AcpiLoadTables: Error getting required tables (DSDT/FADT/FACS): %s\n",
+                        AcpiFormatException (Status)));
+        goto ErrorExit;
+    }
+
+    ACPI_DEBUG_PRINT ((ACPI_DB_OK, "ACPI Tables successfully acquired\n"));
+
+
+    /* Load the namespace from the tables */
+
+    Status = AcpiNsLoadNamespace ();
+    if (ACPI_FAILURE (Status))
+    {
+        ACPI_REPORT_ERROR (("AcpiLoadTables: Could not load namespace: %s\n",
+                        AcpiFormatException (Status)));
+        goto ErrorExit;
+    }
+
+    return_ACPI_STATUS (AE_OK);
+
+
+ErrorExit:
+    ACPI_REPORT_ERROR (("AcpiLoadTables: Could not load tables: %s\n",
+                    AcpiFormatException (Status)));
+
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiLoadTable
+ *
+ * PARAMETERS:  TablePtr        - pointer to a buffer containing the entire
+ *                                table to be loaded
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: This function is called to load a table from the caller's
+ *              buffer.  The buffer must contain an entire ACPI Table including
+ *              a valid header.  The header fields will be verified, and if it
+ *              is determined that the table is invalid, the call will fail.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiLoadTable (
+    ACPI_TABLE_HEADER       *TablePtr)
+{
+    ACPI_STATUS             Status;
+    ACPI_TABLE_DESC         TableInfo;
+    ACPI_POINTER            Address;
+
+
+    ACPI_FUNCTION_TRACE ("AcpiLoadTable");
+
+
+    if (!TablePtr)
+    {
+        return_ACPI_STATUS (AE_BAD_PARAMETER);
+    }
+
+    /* Copy the table to a local buffer */
+
+    Address.PointerType     = ACPI_LOGICAL_POINTER | ACPI_LOGICAL_ADDRESSING;
+    Address.Pointer.Logical = TablePtr;
+
+    Status = AcpiTbGetTableBody (&Address, TablePtr, &TableInfo);
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    /* Install the new table into the local data structures */
+
+    Status = AcpiTbInstallTable (&TableInfo);
+    if (ACPI_FAILURE (Status))
+    {
+        /* Free table allocated by AcpiTbGetTableBody */
+
+        AcpiTbDeleteSingleTable (&TableInfo);
+        return_ACPI_STATUS (Status);
+    }
+
+    /* Convert the table to common format if necessary */
+
+    switch (TableInfo.Type)
+    {
+    case ACPI_TABLE_FADT:
+
+        Status = AcpiTbConvertTableFadt ();
+        break;
+
+    case ACPI_TABLE_FACS:
+
+        Status = AcpiTbBuildCommonFacs (&TableInfo);
+        break;
+
+    default:
+        /* Load table into namespace if it contains executable AML */
+
+        Status = AcpiNsLoadTable (TableInfo.InstalledDesc, AcpiGbl_RootNode);
+        break;
+    }
+
+    if (ACPI_FAILURE (Status))
+    {
+        /* Uninstall table and free the buffer */
+
+        (void) AcpiTbUninstallTable (TableInfo.InstalledDesc);
+    }
+
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUnloadTable
+ *
+ * PARAMETERS:  TableType     - Type of table to be unloaded
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: This routine is used to force the unload of a table
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiUnloadTable (
+    ACPI_TABLE_TYPE         TableType)
+{
+    ACPI_TABLE_DESC         *ListHead;
+
+
+    ACPI_FUNCTION_TRACE ("AcpiUnloadTable");
+
+
+    /* Parameter validation */
+
+    if (TableType > ACPI_TABLE_MAX)
+    {
+        return_ACPI_STATUS (AE_BAD_PARAMETER);
+    }
+
+
+    /* Find all tables of the requested type */
+
+    ListHead = &AcpiGbl_AcpiTables[TableType];
+    do
+    {
+        /*
+         * Delete all namespace entries owned by this table.  Note that these
+         * entries can appear anywhere in the namespace by virtue of the AML
+         * "Scope" operator.  Thus, we need to track ownership by an ID, not
+         * simply a position within the hierarchy
+         */
+        AcpiNsDeleteNamespaceByOwner (ListHead->TableId);
+
+        /* Delete (or unmap) the actual table */
+
+        AcpiTbDeleteAcpiTable (TableType);
+
+    } while (ListHead != &AcpiGbl_AcpiTables[TableType]);
+
+    return_ACPI_STATUS (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiGetTableHeader
+ *
+ * PARAMETERS:  TableType       - one of the defined table types
+ *              Instance        - the non zero instance of the table, allows
+ *                                support for multiple tables of the same type
+ *                                see AcpiGbl_AcpiTableFlag
+ *              OutTableHeader  - pointer to the ACPI_TABLE_HEADER if successful
+ *
+ * DESCRIPTION: This function is called to get an ACPI table header.  The caller
+ *              supplies an pointer to a data area sufficient to contain an ACPI
+ *              ACPI_TABLE_HEADER structure.
+ *
+ *              The header contains a length field that can be used to determine
+ *              the size of the buffer needed to contain the entire table.  This
+ *              function is not valid for the RSD PTR table since it does not
+ *              have a standard header and is fixed length.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiGetTableHeader (
+    ACPI_TABLE_TYPE         TableType,
+    UINT32                  Instance,
+    ACPI_TABLE_HEADER       *OutTableHeader)
+{
+    ACPI_TABLE_HEADER       *TblPtr;
+    ACPI_STATUS             Status;
+
+
+    ACPI_FUNCTION_TRACE ("AcpiGetTableHeader");
+
+
+    if ((Instance == 0)                 ||
+        (TableType == ACPI_TABLE_RSDP)  ||
+        (!OutTableHeader))
+    {
+        return_ACPI_STATUS (AE_BAD_PARAMETER);
+    }
+
+    /* Check the table type and instance */
+
+    if ((TableType > ACPI_TABLE_MAX)    ||
+        (ACPI_IS_SINGLE_TABLE (AcpiGbl_AcpiTableData[TableType].Flags) &&
+         Instance > 1))
+    {
+        return_ACPI_STATUS (AE_BAD_PARAMETER);
+    }
+
+
+    /* Get a pointer to the entire table */
+
+    Status = AcpiTbGetTablePtr (TableType, Instance, &TblPtr);
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    /*
+     * The function will return a NULL pointer if the table is not loaded
+     */
+    if (TblPtr == NULL)
+    {
+        return_ACPI_STATUS (AE_NOT_EXIST);
+    }
+
+    /*
+     * Copy the header to the caller's buffer
+     */
+    ACPI_MEMCPY ((void *) OutTableHeader, (void *) TblPtr,
+                sizeof (ACPI_TABLE_HEADER));
+
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiGetTable
+ *
+ * PARAMETERS:  TableType       - one of the defined table types
+ *              Instance        - the non zero instance of the table, allows
+ *                                support for multiple tables of the same type
+ *                                see AcpiGbl_AcpiTableFlag
+ *              RetBuffer       - pointer to a structure containing a buffer to
+ *                                receive the table
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: This function is called to get an ACPI table.  The caller
+ *              supplies an OutBuffer large enough to contain the entire ACPI
+ *              table.  The caller should call the AcpiGetTableHeader function
+ *              first to determine the buffer size needed.  Upon completion
+ *              the OutBuffer->Length field will indicate the number of bytes
+ *              copied into the OutBuffer->BufPtr buffer.  This table will be
+ *              a complete table including the header.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiGetTable (
+    ACPI_TABLE_TYPE         TableType,
+    UINT32                  Instance,
+    ACPI_BUFFER             *RetBuffer)
+{
+    ACPI_TABLE_HEADER       *TblPtr;
+    ACPI_STATUS             Status;
+    ACPI_SIZE               TableLength;
+
+
+    ACPI_FUNCTION_TRACE ("AcpiGetTable");
+
+
+    /* Parameter validation */
+
+    if (Instance == 0)
+    {
+        return_ACPI_STATUS (AE_BAD_PARAMETER);
+    }
+
+    Status = AcpiUtValidateBuffer (RetBuffer);
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    /* Check the table type and instance */
+
+    if ((TableType > ACPI_TABLE_MAX)    ||
+        (ACPI_IS_SINGLE_TABLE (AcpiGbl_AcpiTableData[TableType].Flags) &&
+         Instance > 1))
+    {
+        return_ACPI_STATUS (AE_BAD_PARAMETER);
+    }
+
+
+    /* Get a pointer to the entire table */
+
+    Status = AcpiTbGetTablePtr (TableType, Instance, &TblPtr);
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    /*
+     * AcpiTbGetTablePtr will return a NULL pointer if the
+     * table is not loaded.
+     */
+    if (TblPtr == NULL)
+    {
+        return_ACPI_STATUS (AE_NOT_EXIST);
+    }
+
+    /* Get the table length */
+
+    if (TableType == ACPI_TABLE_RSDP)
+    {
+        /*
+         *  RSD PTR is the only "table" without a header
+         */
+        TableLength = sizeof (RSDP_DESCRIPTOR);
+    }
+    else
+    {
+        TableLength = (ACPI_SIZE) TblPtr->Length;
+    }
+
+    /* Validate/Allocate/Clear caller buffer */
+
+    Status = AcpiUtInitializeBuffer (RetBuffer, TableLength);
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    /* Copy the table to the buffer */
+
+    ACPI_MEMCPY ((void *) RetBuffer->Pointer, (void *) TblPtr, TableLength);
+    return_ACPI_STATUS (AE_OK);
+}
+
+
diff --git a/sys/contrib/dev/acpica/tbxfroot.c b/sys/contrib/dev/acpica/tbxfroot.c
new file mode 100644
index 0000000..f6ba0ea
--- /dev/null
+++ b/sys/contrib/dev/acpica/tbxfroot.c
@@ -0,0 +1,611 @@
+/******************************************************************************
+ *
+ * Module Name: tbxfroot - Find the root ACPI table (RSDT)
+ *              $Revision: 65 $
+ *
+ *****************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+#define __TBXFROOT_C__
+
+#include "acpi.h"
+#include "actables.h"
+
+
+#define _COMPONENT          ACPI_TABLES
+        ACPI_MODULE_NAME    ("tbxfroot")
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiTbFindTable
+ *
+ * PARAMETERS:  Signature           - String with ACPI table signature
+ *              OemId               - String with the table OEM ID
+ *              OemTableId          - String with the OEM Table ID.
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Find an ACPI table (in the RSDT/XSDT) that matches the
+ *              Signature, OEM ID and OEM Table ID.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiTbFindTable (
+    NATIVE_CHAR             *Signature,
+    NATIVE_CHAR             *OemId,
+    NATIVE_CHAR             *OemTableId,
+    ACPI_TABLE_HEADER       **TablePtr)
+{
+    ACPI_STATUS             Status;
+    ACPI_TABLE_HEADER       *Table;
+
+
+    ACPI_FUNCTION_TRACE ("TbFindTable");
+
+
+    /* Validate string lengths */
+
+    if ((ACPI_STRLEN (Signature)  > ACPI_NAME_SIZE) ||
+        (ACPI_STRLEN (OemId)      > sizeof (Table->OemId)) ||
+        (ACPI_STRLEN (OemTableId) > sizeof (Table->OemTableId)))
+    {
+        return_ACPI_STATUS (AE_AML_STRING_LIMIT);
+    }
+
+    /* Find the table */
+
+    Status = AcpiGetFirmwareTable (Signature, 1,
+                        ACPI_LOGICAL_ADDRESSING, &Table);
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    /* Check OemId and OemTableId */
+
+    if ((OemId[0]      && ACPI_STRCMP (OemId, Table->OemId)) ||
+        (OemTableId[0] && ACPI_STRCMP (OemTableId, Table->OemTableId)))
+    {
+        return_ACPI_STATUS (AE_AML_NAME_NOT_FOUND);
+    }
+
+    *TablePtr = Table;
+    return_ACPI_STATUS (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiGetFirmwareTable
+ *
+ * PARAMETERS:  Signature       - Any ACPI table signature
+ *              Instance        - the non zero instance of the table, allows
+ *                                support for multiple tables of the same type
+ *              Flags           - Physical/Virtual support
+ *              RetBuffer       - pointer to a structure containing a buffer to
+ *                                receive the table
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: This function is called to get an ACPI table.  The caller
+ *              supplies an OutBuffer large enough to contain the entire ACPI
+ *              table.  Upon completion
+ *              the OutBuffer->Length field will indicate the number of bytes
+ *              copied into the OutBuffer->BufPtr buffer.  This table will be
+ *              a complete table including the header.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiGetFirmwareTable (
+    ACPI_STRING             Signature,
+    UINT32                  Instance,
+    UINT32                  Flags,
+    ACPI_TABLE_HEADER       **TablePointer)
+{
+    ACPI_POINTER            RsdpAddress;
+    ACPI_POINTER            Address;
+    ACPI_STATUS             Status;
+    ACPI_TABLE_HEADER       Header;
+    ACPI_TABLE_DESC         TableInfo;
+    ACPI_TABLE_DESC         RsdtInfo;
+    UINT32                  TableCount;
+    UINT32                  i;
+    UINT32                  j;
+
+
+    ACPI_FUNCTION_TRACE ("AcpiGetFirmwareTable");
+
+
+    /*
+     * Ensure that at least the table manager is initialized.  We don't
+     * require that the entire ACPI subsystem is up for this interface
+     */
+
+    /*
+     *  If we have a buffer, we must have a length too
+     */
+    if ((Instance == 0)                 ||
+        (!Signature)                    ||
+        (!TablePointer))
+    {
+        return_ACPI_STATUS (AE_BAD_PARAMETER);
+    }
+
+    RsdtInfo.Pointer = NULL;
+
+    if (!AcpiGbl_RSDP)
+    {
+        /* Get the RSDP */
+
+        Status = AcpiOsGetRootPointer (Flags, &RsdpAddress);
+        if (ACPI_FAILURE (Status))
+        {
+            ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "RSDP  not found\n"));
+            return_ACPI_STATUS (AE_NO_ACPI_TABLES);
+        }
+
+        /* Map and validate the RSDP */
+
+        if ((Flags & ACPI_MEMORY_MODE) == ACPI_LOGICAL_ADDRESSING)
+        {
+            Status = AcpiOsMapMemory (RsdpAddress.Pointer.Physical, sizeof (RSDP_DESCRIPTOR),
+                                        (void **) &AcpiGbl_RSDP);
+            if (ACPI_FAILURE (Status))
+            {
+                return_ACPI_STATUS (Status);
+            }
+        }
+        else
+        {
+            AcpiGbl_RSDP = RsdpAddress.Pointer.Logical;
+        }
+
+        /*
+         *  The signature and checksum must both be correct
+         */
+        if (ACPI_STRNCMP ((NATIVE_CHAR *) AcpiGbl_RSDP, RSDP_SIG, sizeof (RSDP_SIG)-1) != 0)
+        {
+            /* Nope, BAD Signature */
+
+            return_ACPI_STATUS (AE_BAD_SIGNATURE);
+        }
+
+        if (AcpiTbChecksum (AcpiGbl_RSDP, ACPI_RSDP_CHECKSUM_LENGTH) != 0)
+        {
+            /* Nope, BAD Checksum */
+
+            return_ACPI_STATUS (AE_BAD_CHECKSUM);
+        }
+    }
+
+    /* Get the RSDT and validate it */
+
+    AcpiTbGetRsdtAddress (&Address);
+
+    ACPI_DEBUG_PRINT ((ACPI_DB_INFO,
+        "RSDP located at %p, RSDT physical=%8.8X%8.8X \n",
+        AcpiGbl_RSDP,
+        ACPI_HIDWORD (Address.Pointer.Value),
+        ACPI_LODWORD (Address.Pointer.Value)));
+
+    /* Insert ProcessorMode flags */
+
+    Address.PointerType |= Flags;
+
+    Status = AcpiTbGetTable (&Address, &RsdtInfo);
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    Status = AcpiTbValidateRsdt (RsdtInfo.Pointer);
+    if (ACPI_FAILURE (Status))
+    {
+        goto Cleanup;
+    }
+
+    /* Get the number of table pointers within the RSDT */
+
+    TableCount = AcpiTbGetTableCount (AcpiGbl_RSDP, RsdtInfo.Pointer);
+
+    Address.PointerType = AcpiGbl_TableFlags | Flags;
+
+    /*
+     * Search the RSDT/XSDT for the correct instance of the
+     * requested table
+     */
+    for (i = 0, j = 0; i < TableCount; i++)
+    {
+        /* Get the next table pointer, handle RSDT vs. XSDT */
+
+        if (AcpiGbl_RSDP->Revision < 2)
+        {
+            Address.Pointer.Value = ((RSDT_DESCRIPTOR *) RsdtInfo.Pointer)->TableOffsetEntry[i];
+        }
+        else
+        {
+            Address.Pointer.Value = ACPI_GET_ADDRESS (
+                ((XSDT_DESCRIPTOR *) RsdtInfo.Pointer)->TableOffsetEntry[i]);
+        }
+
+        /* Get the table header */
+
+        Status = AcpiTbGetTableHeader (&Address, &Header);
+        if (ACPI_FAILURE (Status))
+        {
+            goto Cleanup;
+        }
+
+        /* Compare table signatures and table instance */
+
+        if (!ACPI_STRNCMP (Header.Signature, Signature, ACPI_NAME_SIZE))
+        {
+            /* An instance of the table was found */
+
+            j++;
+            if (j >= Instance)
+            {
+                /* Found the correct instance, get the entire table */
+
+                Status = AcpiTbGetTableBody (&Address, &Header, &TableInfo);
+                if (ACPI_FAILURE (Status))
+                {
+                    goto Cleanup;
+                }
+
+                *TablePointer = TableInfo.Pointer;
+                goto Cleanup;
+            }
+        }
+    }
+
+    /* Did not find the table */
+
+    Status = AE_NOT_EXIST;
+
+
+Cleanup:
+    AcpiOsUnmapMemory (RsdtInfo.Pointer, (ACPI_SIZE) RsdtInfo.Pointer->Length);
+    return_ACPI_STATUS (Status);
+}
+
+
+/* TBD: Move to a new file */
+
+#if ACPI_MACHINE_WIDTH != 16
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiFindRootPointer
+ *
+ * PARAMETERS:  **RsdpAddress           - Where to place the RSDP address
+ *              Flags                   - Logical/Physical addressing
+ *
+ * RETURN:      Status, Physical address of the RSDP
+ *
+ * DESCRIPTION: Find the RSDP
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiFindRootPointer (
+    UINT32                  Flags,
+    ACPI_POINTER            *RsdpAddress)
+{
+    ACPI_TABLE_DESC         TableInfo;
+    ACPI_STATUS             Status;
+
+
+    ACPI_FUNCTION_TRACE ("AcpiFindRootPointer");
+
+
+    /* Get the RSDP */
+
+    Status = AcpiTbFindRsdp (&TableInfo, Flags);
+    if (ACPI_FAILURE (Status))
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "RSDP structure not found, %s Flags=%X\n",
+            AcpiFormatException (Status), Flags));
+        return_ACPI_STATUS (AE_NO_ACPI_TABLES);
+    }
+
+    RsdpAddress->PointerType = ACPI_PHYSICAL_POINTER;
+    RsdpAddress->Pointer.Physical = TableInfo.PhysicalAddress;
+    return_ACPI_STATUS (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiTbScanMemoryForRsdp
+ *
+ * PARAMETERS:  StartAddress        - Starting pointer for search
+ *              Length              - Maximum length to search
+ *
+ * RETURN:      Pointer to the RSDP if found, otherwise NULL.
+ *
+ * DESCRIPTION: Search a block of memory for the RSDP signature
+ *
+ ******************************************************************************/
+
+UINT8 *
+AcpiTbScanMemoryForRsdp (
+    UINT8                   *StartAddress,
+    UINT32                  Length)
+{
+    UINT32                  Offset;
+    UINT8                   *MemRover;
+
+
+    ACPI_FUNCTION_TRACE ("TbScanMemoryForRsdp");
+
+
+    /* Search from given start addr for the requested length  */
+
+    for (Offset = 0, MemRover = StartAddress;
+         Offset < Length;
+         Offset += RSDP_SCAN_STEP, MemRover += RSDP_SCAN_STEP)
+    {
+
+        /* The signature and checksum must both be correct */
+
+        if (ACPI_STRNCMP ((NATIVE_CHAR *) MemRover,
+                RSDP_SIG, sizeof (RSDP_SIG)-1) == 0 &&
+            AcpiTbChecksum (MemRover, ACPI_RSDP_CHECKSUM_LENGTH) == 0)
+        {
+            /* If so, we have found the RSDP */
+
+            ACPI_DEBUG_PRINT ((ACPI_DB_INFO,
+                "RSDP located at physical address %p\n",MemRover));
+            return_PTR (MemRover);
+        }
+    }
+
+    /* Searched entire block, no RSDP was found */
+
+    ACPI_DEBUG_PRINT ((ACPI_DB_INFO,"Searched entire block, no RSDP was found.\n"));
+    return_PTR (NULL);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiTbFindRsdp
+ *
+ * PARAMETERS:  *TableInfo              - Where the table info is returned
+ *              Flags                   - Current memory mode (logical vs.
+ *                                        physical addressing)
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Search lower 1Mbyte of memory for the root system descriptor
+ *              pointer structure.  If it is found, set *RSDP to point to it.
+ *
+ *              NOTE: The RSDP must be either in the first 1K of the Extended
+ *              BIOS Data Area or between E0000 and FFFFF (ACPI 1.0 section
+ *              5.2.2; assertion #421).
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiTbFindRsdp (
+    ACPI_TABLE_DESC         *TableInfo,
+    UINT32                  Flags)
+{
+    UINT8                   *TablePtr;
+    UINT8                   *MemRover;
+    UINT64                  PhysAddr;
+    ACPI_STATUS             Status = AE_OK;
+
+
+    ACPI_FUNCTION_TRACE ("TbFindRsdp");
+
+
+    /*
+     * Scan supports either 1) Logical addressing or 2) Physical addressing
+     */
+    if ((Flags & ACPI_MEMORY_MODE) == ACPI_LOGICAL_ADDRESSING)
+    {
+        /*
+         * 1) Search EBDA (low memory) paragraphs
+         */
+        Status = AcpiOsMapMemory ((UINT64) LO_RSDP_WINDOW_BASE, LO_RSDP_WINDOW_SIZE,
+                                    (void **) &TablePtr);
+        if (ACPI_FAILURE (Status))
+        {
+            ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Could not map memory at %X for length %X\n",
+                LO_RSDP_WINDOW_BASE, LO_RSDP_WINDOW_SIZE));
+            return_ACPI_STATUS (Status);
+        }
+
+        MemRover = AcpiTbScanMemoryForRsdp (TablePtr, LO_RSDP_WINDOW_SIZE);
+        AcpiOsUnmapMemory (TablePtr, LO_RSDP_WINDOW_SIZE);
+
+        if (MemRover)
+        {
+            /* Found it, return the physical address */
+
+            PhysAddr = LO_RSDP_WINDOW_BASE;
+            PhysAddr += ACPI_PTR_DIFF (MemRover,TablePtr);
+
+            TableInfo->PhysicalAddress = PhysAddr;
+            return_ACPI_STATUS (AE_OK);
+        }
+
+        /*
+         * 2) Search upper memory: 16-byte boundaries in E0000h-F0000h
+         */
+        Status = AcpiOsMapMemory ((UINT64) HI_RSDP_WINDOW_BASE, HI_RSDP_WINDOW_SIZE,
+                                    (void **) &TablePtr);
+        if (ACPI_FAILURE (Status))
+        {
+            ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Could not map memory at %X for length %X\n",
+                HI_RSDP_WINDOW_BASE, HI_RSDP_WINDOW_SIZE));
+            return_ACPI_STATUS (Status);
+        }
+
+        MemRover = AcpiTbScanMemoryForRsdp (TablePtr, HI_RSDP_WINDOW_SIZE);
+        AcpiOsUnmapMemory (TablePtr, HI_RSDP_WINDOW_SIZE);
+
+        if (MemRover)
+        {
+            /* Found it, return the physical address */
+
+            PhysAddr = HI_RSDP_WINDOW_BASE;
+            PhysAddr += ACPI_PTR_DIFF (MemRover, TablePtr);
+
+            TableInfo->PhysicalAddress = PhysAddr;
+            return_ACPI_STATUS (AE_OK);
+        }
+    }
+
+    /*
+     * Physical addressing
+     */
+    else
+    {
+        /*
+         * 1) Search EBDA (low memory) paragraphs
+         */
+        MemRover = AcpiTbScanMemoryForRsdp (ACPI_PHYSADDR_TO_PTR (LO_RSDP_WINDOW_BASE),
+                        LO_RSDP_WINDOW_SIZE);
+        if (MemRover)
+        {
+            /* Found it, return the physical address */
+
+            TableInfo->PhysicalAddress = ACPI_TO_INTEGER (MemRover);
+            return_ACPI_STATUS (AE_OK);
+        }
+
+        /*
+         * 2) Search upper memory: 16-byte boundaries in E0000h-F0000h
+         */
+        MemRover = AcpiTbScanMemoryForRsdp (ACPI_PHYSADDR_TO_PTR (HI_RSDP_WINDOW_BASE),
+                        HI_RSDP_WINDOW_SIZE);
+        if (MemRover)
+        {
+            /* Found it, return the physical address */
+
+            TableInfo->PhysicalAddress = ACPI_TO_INTEGER (MemRover);
+            return_ACPI_STATUS (AE_OK);
+        }
+    }
+
+    /* RSDP signature was not found */
+
+    return_ACPI_STATUS (AE_NOT_FOUND);
+}
+
+#endif
+
diff --git a/sys/contrib/dev/acpica/utalloc.c b/sys/contrib/dev/acpica/utalloc.c
new file mode 100644
index 0000000..6e4c5ac
--- /dev/null
+++ b/sys/contrib/dev/acpica/utalloc.c
@@ -0,0 +1,1123 @@
+/******************************************************************************
+ *
+ * Module Name: utalloc - local cache and memory allocation routines
+ *              $Revision: 127 $
+ *
+ *****************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+#define __UTALLOC_C__
+
+#include "acpi.h"
+
+#define _COMPONENT          ACPI_UTILITIES
+        ACPI_MODULE_NAME    ("utalloc")
+
+
+/******************************************************************************
+ *
+ * FUNCTION:    AcpiUtReleaseToCache
+ *
+ * PARAMETERS:  ListId              - Memory list/cache ID
+ *              Object              - The object to be released
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Release an object to the specified cache.  If cache is full,
+ *              the object is deleted.
+ *
+ ******************************************************************************/
+
+void
+AcpiUtReleaseToCache (
+    UINT32                  ListId,
+    void                    *Object)
+{
+    ACPI_MEMORY_LIST        *CacheInfo;
+
+
+    ACPI_FUNCTION_ENTRY ();
+
+
+    /* If walk cache is full, just free this wallkstate object */
+
+    CacheInfo = &AcpiGbl_MemoryLists[ListId];
+    if (CacheInfo->CacheDepth >= CacheInfo->MaxCacheDepth)
+    {
+        ACPI_MEM_FREE (Object);
+        ACPI_MEM_TRACKING (CacheInfo->TotalFreed++);
+    }
+
+    /* Otherwise put this object back into the cache */
+
+    else
+    {
+        if (ACPI_FAILURE (AcpiUtAcquireMutex (ACPI_MTX_CACHES)))
+        {
+            return;
+        }
+
+        /* Mark the object as cached */
+
+        ACPI_MEMSET (Object, 0xCA, CacheInfo->ObjectSize);
+        ACPI_SET_DESCRIPTOR_TYPE (Object, ACPI_DESC_TYPE_CACHED);
+
+        /* Put the object at the head of the cache list */
+
+        * (ACPI_CAST_INDIRECT_PTR (char, &(((char *) Object)[CacheInfo->LinkOffset]))) = CacheInfo->ListHead;
+        CacheInfo->ListHead = Object;
+        CacheInfo->CacheDepth++;
+
+        (void) AcpiUtReleaseMutex (ACPI_MTX_CACHES);
+    }
+}
+
+
+/******************************************************************************
+ *
+ * FUNCTION:    AcpiUtAcquireFromCache
+ *
+ * PARAMETERS:  ListId              - Memory list ID
+ *
+ * RETURN:      A requested object.  NULL if the object could not be
+ *              allocated.
+ *
+ * DESCRIPTION: Get an object from the specified cache.  If cache is empty,
+ *              the object is allocated.
+ *
+ ******************************************************************************/
+
+void *
+AcpiUtAcquireFromCache (
+    UINT32                  ListId)
+{
+    ACPI_MEMORY_LIST        *CacheInfo;
+    void                    *Object;
+
+
+    ACPI_FUNCTION_NAME ("UtAcquireFromCache");
+
+
+    CacheInfo = &AcpiGbl_MemoryLists[ListId];
+    if (ACPI_FAILURE (AcpiUtAcquireMutex (ACPI_MTX_CACHES)))
+    {
+        return (NULL);
+    }
+
+    ACPI_MEM_TRACKING (CacheInfo->CacheRequests++);
+
+    /* Check the cache first */
+
+    if (CacheInfo->ListHead)
+    {
+        /* There is an object available, use it */
+
+        Object = CacheInfo->ListHead;
+        CacheInfo->ListHead = *(ACPI_CAST_INDIRECT_PTR (char, &(((char *) Object)[CacheInfo->LinkOffset])));
+
+        ACPI_MEM_TRACKING (CacheInfo->CacheHits++);
+        CacheInfo->CacheDepth--;
+
+#ifdef ACPI_DBG_TRACK_ALLOCATIONS
+        ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Object %p from %s\n",
+            Object, AcpiGbl_MemoryLists[ListId].ListName));
+#endif
+
+        if (ACPI_FAILURE (AcpiUtReleaseMutex (ACPI_MTX_CACHES)))
+        {
+            return (NULL);
+        }
+
+        /* Clear (zero) the previously used Object */
+
+        ACPI_MEMSET (Object, 0, CacheInfo->ObjectSize);
+    }
+
+    else
+    {
+        /* The cache is empty, create a new object */
+
+        /* Avoid deadlock with ACPI_MEM_CALLOCATE */
+
+        if (ACPI_FAILURE (AcpiUtReleaseMutex (ACPI_MTX_CACHES)))
+        {
+            return (NULL);
+        }
+
+        Object = ACPI_MEM_CALLOCATE (CacheInfo->ObjectSize);
+        ACPI_MEM_TRACKING (CacheInfo->TotalAllocated++);
+    }
+
+    return (Object);
+}
+
+
+/******************************************************************************
+ *
+ * FUNCTION:    AcpiUtDeleteGenericCache
+ *
+ * PARAMETERS:  ListId          - Memory list ID
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Free all objects within the requested cache.
+ *
+ ******************************************************************************/
+
+void
+AcpiUtDeleteGenericCache (
+    UINT32                  ListId)
+{
+    ACPI_MEMORY_LIST        *CacheInfo;
+    char                    *Next;
+
+
+    ACPI_FUNCTION_ENTRY ();
+
+
+    CacheInfo = &AcpiGbl_MemoryLists[ListId];
+    while (CacheInfo->ListHead)
+    {
+        /* Delete one cached state object */
+
+        Next = *(ACPI_CAST_INDIRECT_PTR (char, &(((char *) CacheInfo->ListHead)[CacheInfo->LinkOffset])));
+        ACPI_MEM_FREE (CacheInfo->ListHead);
+
+        CacheInfo->ListHead = Next;
+        CacheInfo->CacheDepth--;
+    }
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtValidateBuffer
+ *
+ * PARAMETERS:  Buffer              - Buffer descriptor to be validated
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Perform parameter validation checks on an ACPI_BUFFER
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiUtValidateBuffer (
+    ACPI_BUFFER             *Buffer)
+{
+
+    /* Obviously, the structure pointer must be valid */
+
+    if (!Buffer)
+    {
+        return (AE_BAD_PARAMETER);
+    }
+
+    /* Special semantics for the length */
+
+    if ((Buffer->Length == ACPI_NO_BUFFER)              ||
+        (Buffer->Length == ACPI_ALLOCATE_BUFFER)        ||
+        (Buffer->Length == ACPI_ALLOCATE_LOCAL_BUFFER))
+    {
+        return (AE_OK);
+    }
+
+    /* Length is valid, the buffer pointer must be also */
+
+    if (!Buffer->Pointer)
+    {
+        return (AE_BAD_PARAMETER);
+    }
+
+    return (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtInitializeBuffer
+ *
+ * PARAMETERS:  RequiredLength      - Length needed
+ *              Buffer              - Buffer to be validated
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Validate that the buffer is of the required length or
+ *              allocate a new buffer.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiUtInitializeBuffer (
+    ACPI_BUFFER             *Buffer,
+    ACPI_SIZE               RequiredLength)
+{
+    ACPI_STATUS             Status = AE_OK;
+
+
+    switch (Buffer->Length)
+    {
+    case ACPI_NO_BUFFER:
+
+        /* Set the exception and returned the required length */
+
+        Status = AE_BUFFER_OVERFLOW;
+        break;
+
+
+    case ACPI_ALLOCATE_BUFFER:
+
+        /* Allocate a new buffer */
+
+        Buffer->Pointer = AcpiOsAllocate (RequiredLength);
+        if (!Buffer->Pointer)
+        {
+            return (AE_NO_MEMORY);
+        }
+
+        /* Clear the buffer */
+
+        ACPI_MEMSET (Buffer->Pointer, 0, RequiredLength);
+        break;
+
+
+    case ACPI_ALLOCATE_LOCAL_BUFFER:
+
+        /* Allocate a new buffer with local interface to allow tracking */
+
+        Buffer->Pointer = ACPI_MEM_ALLOCATE (RequiredLength);
+        if (!Buffer->Pointer)
+        {
+            return (AE_NO_MEMORY);
+        }
+
+        /* Clear the buffer */
+
+        ACPI_MEMSET (Buffer->Pointer, 0, RequiredLength);
+        break;
+
+
+    default:
+
+        /* Validate the size of the buffer */
+
+        if (Buffer->Length < RequiredLength)
+        {
+            Status = AE_BUFFER_OVERFLOW;
+        }
+
+        /* Clear the buffer */
+
+        ACPI_MEMSET (Buffer->Pointer, 0, RequiredLength);
+        break;
+    }
+
+    Buffer->Length = RequiredLength;
+    return (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtAllocate
+ *
+ * PARAMETERS:  Size                - Size of the allocation
+ *              Component           - Component type of caller
+ *              Module              - Source file name of caller
+ *              Line                - Line number of caller
+ *
+ * RETURN:      Address of the allocated memory on success, NULL on failure.
+ *
+ * DESCRIPTION: The subsystem's equivalent of malloc.
+ *
+ ******************************************************************************/
+
+void *
+AcpiUtAllocate (
+    ACPI_SIZE               Size,
+    UINT32                  Component,
+    NATIVE_CHAR             *Module,
+    UINT32                  Line)
+{
+    void                    *Allocation;
+
+
+    ACPI_FUNCTION_TRACE_U32 ("UtAllocate", Size);
+
+
+    /* Check for an inadvertent size of zero bytes */
+
+    if (!Size)
+    {
+        _ACPI_REPORT_ERROR (Module, Line, Component,
+                ("UtAllocate: Attempt to allocate zero bytes\n"));
+        Size = 1;
+    }
+
+    Allocation = AcpiOsAllocate (Size);
+    if (!Allocation)
+    {
+        /* Report allocation error */
+
+        _ACPI_REPORT_ERROR (Module, Line, Component,
+                ("UtAllocate: Could not allocate size %X\n", (UINT32) Size));
+
+        return_PTR (NULL);
+    }
+
+    return_PTR (Allocation);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtCallocate
+ *
+ * PARAMETERS:  Size                - Size of the allocation
+ *              Component           - Component type of caller
+ *              Module              - Source file name of caller
+ *              Line                - Line number of caller
+ *
+ * RETURN:      Address of the allocated memory on success, NULL on failure.
+ *
+ * DESCRIPTION: Subsystem equivalent of calloc.
+ *
+ ******************************************************************************/
+
+void *
+AcpiUtCallocate (
+    ACPI_SIZE               Size,
+    UINT32                  Component,
+    NATIVE_CHAR             *Module,
+    UINT32                  Line)
+{
+    void                    *Allocation;
+
+
+    ACPI_FUNCTION_TRACE_U32 ("UtCallocate", Size);
+
+
+    /* Check for an inadvertent size of zero bytes */
+
+    if (!Size)
+    {
+        _ACPI_REPORT_ERROR (Module, Line, Component,
+                ("UtCallocate: Attempt to allocate zero bytes\n"));
+        return_PTR (NULL);
+    }
+
+    Allocation = AcpiOsAllocate (Size);
+    if (!Allocation)
+    {
+        /* Report allocation error */
+
+        _ACPI_REPORT_ERROR (Module, Line, Component,
+                ("UtCallocate: Could not allocate size %X\n", (UINT32) Size));
+        return_PTR (NULL);
+    }
+
+    /* Clear the memory block */
+
+    ACPI_MEMSET (Allocation, 0, Size);
+    return_PTR (Allocation);
+}
+
+
+#ifdef ACPI_DBG_TRACK_ALLOCATIONS
+/*
+ * These procedures are used for tracking memory leaks in the subsystem, and
+ * they get compiled out when the ACPI_DBG_TRACK_ALLOCATIONS is not set.
+ *
+ * Each memory allocation is tracked via a doubly linked list.  Each
+ * element contains the caller's component, module name, function name, and
+ * line number.  AcpiUtAllocate and AcpiUtCallocate call
+ * AcpiUtTrackAllocation to add an element to the list; deletion
+ * occurs in the body of AcpiUtFree.
+ */
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtAllocateAndTrack
+ *
+ * PARAMETERS:  Size                - Size of the allocation
+ *              Component           - Component type of caller
+ *              Module              - Source file name of caller
+ *              Line                - Line number of caller
+ *
+ * RETURN:      Address of the allocated memory on success, NULL on failure.
+ *
+ * DESCRIPTION: The subsystem's equivalent of malloc.
+ *
+ ******************************************************************************/
+
+void *
+AcpiUtAllocateAndTrack (
+    ACPI_SIZE               Size,
+    UINT32                  Component,
+    NATIVE_CHAR             *Module,
+    UINT32                  Line)
+{
+    ACPI_DEBUG_MEM_BLOCK    *Allocation;
+    ACPI_STATUS             Status;
+
+
+    Allocation = AcpiUtAllocate (Size + sizeof (ACPI_DEBUG_MEM_BLOCK), Component,
+                                Module, Line);
+    if (!Allocation)
+    {
+        return (NULL);
+    }
+
+    Status = AcpiUtTrackAllocation (ACPI_MEM_LIST_GLOBAL, Allocation, Size,
+                    ACPI_MEM_MALLOC, Component, Module, Line);
+    if (ACPI_FAILURE (Status))
+    {
+        AcpiOsFree (Allocation);
+        return (NULL);
+    }
+
+    AcpiGbl_MemoryLists[ACPI_MEM_LIST_GLOBAL].TotalAllocated++;
+    AcpiGbl_MemoryLists[ACPI_MEM_LIST_GLOBAL].CurrentTotalSize += (UINT32) Size;
+
+    return ((void *) &Allocation->UserSpace);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtCallocateAndTrack
+ *
+ * PARAMETERS:  Size                - Size of the allocation
+ *              Component           - Component type of caller
+ *              Module              - Source file name of caller
+ *              Line                - Line number of caller
+ *
+ * RETURN:      Address of the allocated memory on success, NULL on failure.
+ *
+ * DESCRIPTION: Subsystem equivalent of calloc.
+ *
+ ******************************************************************************/
+
+void *
+AcpiUtCallocateAndTrack (
+    ACPI_SIZE               Size,
+    UINT32                  Component,
+    NATIVE_CHAR             *Module,
+    UINT32                  Line)
+{
+    ACPI_DEBUG_MEM_BLOCK    *Allocation;
+    ACPI_STATUS             Status;
+
+
+    Allocation = AcpiUtCallocate (Size + sizeof (ACPI_DEBUG_MEM_BLOCK), Component,
+                                Module, Line);
+    if (!Allocation)
+    {
+        /* Report allocation error */
+
+        _ACPI_REPORT_ERROR (Module, Line, Component,
+                ("UtCallocate: Could not allocate size %X\n", (UINT32) Size));
+        return (NULL);
+    }
+
+    Status = AcpiUtTrackAllocation (ACPI_MEM_LIST_GLOBAL, Allocation, Size,
+                        ACPI_MEM_CALLOC, Component, Module, Line);
+    if (ACPI_FAILURE (Status))
+    {
+        AcpiOsFree (Allocation);
+        return (NULL);
+    }
+
+    AcpiGbl_MemoryLists[ACPI_MEM_LIST_GLOBAL].TotalAllocated++;
+    AcpiGbl_MemoryLists[ACPI_MEM_LIST_GLOBAL].CurrentTotalSize += (UINT32) Size;
+
+    return ((void *) &Allocation->UserSpace);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtFreeAndTrack
+ *
+ * PARAMETERS:  Allocation          - Address of the memory to deallocate
+ *              Component           - Component type of caller
+ *              Module              - Source file name of caller
+ *              Line                - Line number of caller
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Frees the memory at Allocation
+ *
+ ******************************************************************************/
+
+void
+AcpiUtFreeAndTrack (
+    void                    *Allocation,
+    UINT32                  Component,
+    NATIVE_CHAR             *Module,
+    UINT32                  Line)
+{
+    ACPI_DEBUG_MEM_BLOCK    *DebugBlock;
+    ACPI_STATUS             Status;
+
+
+    ACPI_FUNCTION_TRACE_PTR ("UtFree", Allocation);
+
+
+    if (NULL == Allocation)
+    {
+        _ACPI_REPORT_ERROR (Module, Line, Component,
+            ("AcpiUtFree: Attempt to delete a NULL address\n"));
+
+        return_VOID;
+    }
+
+    DebugBlock = ACPI_CAST_PTR (ACPI_DEBUG_MEM_BLOCK,
+                    (((char *) Allocation) - sizeof (ACPI_DEBUG_MEM_HEADER)));
+
+    AcpiGbl_MemoryLists[ACPI_MEM_LIST_GLOBAL].TotalFreed++;
+    AcpiGbl_MemoryLists[ACPI_MEM_LIST_GLOBAL].CurrentTotalSize -= DebugBlock->Size;
+
+    Status = AcpiUtRemoveAllocation (ACPI_MEM_LIST_GLOBAL, DebugBlock,
+                    Component, Module, Line);
+    if (ACPI_FAILURE (Status))
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Could not free memory, %s\n",
+            AcpiFormatException (Status)));
+    }
+
+    AcpiOsFree (DebugBlock);
+
+    ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, "%p freed\n", Allocation));
+
+    return_VOID;
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtFindAllocation
+ *
+ * PARAMETERS:  Allocation             - Address of allocated memory
+ *
+ * RETURN:      A list element if found; NULL otherwise.
+ *
+ * DESCRIPTION: Searches for an element in the global allocation tracking list.
+ *
+ ******************************************************************************/
+
+ACPI_DEBUG_MEM_BLOCK *
+AcpiUtFindAllocation (
+    UINT32                  ListId,
+    void                    *Allocation)
+{
+    ACPI_DEBUG_MEM_BLOCK    *Element;
+
+
+    ACPI_FUNCTION_ENTRY ();
+
+
+    if (ListId > ACPI_MEM_LIST_MAX)
+    {
+        return (NULL);
+    }
+
+    Element = AcpiGbl_MemoryLists[ListId].ListHead;
+
+    /* Search for the address. */
+
+    while (Element)
+    {
+        if (Element == Allocation)
+        {
+            return (Element);
+        }
+
+        Element = Element->Next;
+    }
+
+    return (NULL);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtTrackAllocation
+ *
+ * PARAMETERS:  Allocation          - Address of allocated memory
+ *              Size                - Size of the allocation
+ *              AllocType           - MEM_MALLOC or MEM_CALLOC
+ *              Component           - Component type of caller
+ *              Module              - Source file name of caller
+ *              Line                - Line number of caller
+ *
+ * RETURN:      None.
+ *
+ * DESCRIPTION: Inserts an element into the global allocation tracking list.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiUtTrackAllocation (
+    UINT32                  ListId,
+    ACPI_DEBUG_MEM_BLOCK    *Allocation,
+    ACPI_SIZE               Size,
+    UINT8                   AllocType,
+    UINT32                  Component,
+    NATIVE_CHAR             *Module,
+    UINT32                  Line)
+{
+    ACPI_MEMORY_LIST        *MemList;
+    ACPI_DEBUG_MEM_BLOCK    *Element;
+    ACPI_STATUS             Status = AE_OK;
+
+
+    ACPI_FUNCTION_TRACE_PTR ("UtTrackAllocation", Allocation);
+
+
+    if (ListId > ACPI_MEM_LIST_MAX)
+    {
+        return_ACPI_STATUS (AE_BAD_PARAMETER);
+    }
+
+    MemList = &AcpiGbl_MemoryLists[ListId];
+    Status = AcpiUtAcquireMutex (ACPI_MTX_MEMORY);
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    /*
+     * Search list for this address to make sure it is not already on the list.
+     * This will catch several kinds of problems.
+     */
+
+    Element = AcpiUtFindAllocation (ListId, Allocation);
+    if (Element)
+    {
+        ACPI_REPORT_ERROR (("UtTrackAllocation: Allocation already present in list! (%p)\n",
+            Allocation));
+
+        ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Element %p Address %p\n", Element, Allocation));
+
+        goto UnlockAndExit;
+    }
+
+    /* Fill in the instance data. */
+
+    Allocation->Size      = (UINT32) Size;
+    Allocation->AllocType = AllocType;
+    Allocation->Component = Component;
+    Allocation->Line      = Line;
+
+    ACPI_STRNCPY (Allocation->Module, Module, ACPI_MAX_MODULE_NAME);
+
+    /* Insert at list head */
+
+    if (MemList->ListHead)
+    {
+        ((ACPI_DEBUG_MEM_BLOCK *)(MemList->ListHead))->Previous = Allocation;
+    }
+
+    Allocation->Next = MemList->ListHead;
+    Allocation->Previous = NULL;
+
+    MemList->ListHead = Allocation;
+
+
+UnlockAndExit:
+    Status = AcpiUtReleaseMutex (ACPI_MTX_MEMORY);
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtRemoveAllocation
+ *
+ * PARAMETERS:  Allocation          - Address of allocated memory
+ *              Component           - Component type of caller
+ *              Module              - Source file name of caller
+ *              Line                - Line number of caller
+ *
+ * RETURN:
+ *
+ * DESCRIPTION: Deletes an element from the global allocation tracking list.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiUtRemoveAllocation (
+    UINT32                  ListId,
+    ACPI_DEBUG_MEM_BLOCK    *Allocation,
+    UINT32                  Component,
+    NATIVE_CHAR             *Module,
+    UINT32                  Line)
+{
+    ACPI_MEMORY_LIST        *MemList;
+    ACPI_STATUS             Status;
+
+
+    ACPI_FUNCTION_TRACE ("UtRemoveAllocation");
+
+
+    if (ListId > ACPI_MEM_LIST_MAX)
+    {
+        return_ACPI_STATUS (AE_BAD_PARAMETER);
+    }
+
+    MemList = &AcpiGbl_MemoryLists[ListId];
+    if (NULL == MemList->ListHead)
+    {
+        /* No allocations! */
+
+        _ACPI_REPORT_ERROR (Module, Line, Component,
+                ("UtRemoveAllocation: Empty allocation list, nothing to free!\n"));
+
+        return_ACPI_STATUS (AE_OK);
+    }
+
+    Status = AcpiUtAcquireMutex (ACPI_MTX_MEMORY);
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    /* Unlink */
+
+    if (Allocation->Previous)
+    {
+        (Allocation->Previous)->Next = Allocation->Next;
+    }
+    else
+    {
+        MemList->ListHead = Allocation->Next;
+    }
+
+    if (Allocation->Next)
+    {
+        (Allocation->Next)->Previous = Allocation->Previous;
+    }
+
+    /* Mark the segment as deleted */
+
+    ACPI_MEMSET (&Allocation->UserSpace, 0xEA, Allocation->Size);
+
+    ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, "Freeing size %X\n", Allocation->Size));
+
+    Status = AcpiUtReleaseMutex (ACPI_MTX_MEMORY);
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtDumpAllocationInfo
+ *
+ * PARAMETERS:
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Print some info about the outstanding allocations.
+ *
+ ******************************************************************************/
+
+void
+AcpiUtDumpAllocationInfo (
+    void)
+{
+/*
+    ACPI_MEMORY_LIST        *MemList;
+*/
+
+    ACPI_FUNCTION_TRACE ("UtDumpAllocationInfo");
+
+/*
+    ACPI_DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES,
+                    ("%30s: %4d (%3d Kb)\n", "Current allocations",
+                    MemList->CurrentCount,
+                    ROUND_UP_TO_1K (MemList->CurrentSize)));
+
+    ACPI_DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES,
+                    ("%30s: %4d (%3d Kb)\n", "Max concurrent allocations",
+                    MemList->MaxConcurrentCount,
+                    ROUND_UP_TO_1K (MemList->MaxConcurrentSize)));
+
+
+    ACPI_DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES,
+                    ("%30s: %4d (%3d Kb)\n", "Total (all) internal objects",
+                    RunningObjectCount,
+                    ROUND_UP_TO_1K (RunningObjectSize)));
+
+    ACPI_DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES,
+                    ("%30s: %4d (%3d Kb)\n", "Total (all) allocations",
+                    RunningAllocCount,
+                    ROUND_UP_TO_1K (RunningAllocSize)));
+
+
+    ACPI_DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES,
+                    ("%30s: %4d (%3d Kb)\n", "Current Nodes",
+                    AcpiGbl_CurrentNodeCount,
+                    ROUND_UP_TO_1K (AcpiGbl_CurrentNodeSize)));
+
+    ACPI_DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES,
+                    ("%30s: %4d (%3d Kb)\n", "Max Nodes",
+                    AcpiGbl_MaxConcurrentNodeCount,
+                    ROUND_UP_TO_1K ((AcpiGbl_MaxConcurrentNodeCount * sizeof (ACPI_NAMESPACE_NODE)))));
+*/
+    return_VOID;
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtDumpAllocations
+ *
+ * PARAMETERS:  Component           - Component(s) to dump info for.
+ *              Module              - Module to dump info for.  NULL means all.
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Print a list of all outstanding allocations.
+ *
+ ******************************************************************************/
+
+void
+AcpiUtDumpAllocations (
+    UINT32                  Component,
+    NATIVE_CHAR             *Module)
+{
+    ACPI_DEBUG_MEM_BLOCK    *Element;
+    ACPI_DESCRIPTOR         *Descriptor;
+    UINT32                  NumOutstanding = 0;
+
+
+    ACPI_FUNCTION_TRACE ("UtDumpAllocations");
+
+
+    /*
+     * Walk the allocation list.
+     */
+    if (ACPI_FAILURE (AcpiUtAcquireMutex (ACPI_MTX_MEMORY)))
+    {
+        return;
+    }
+
+    Element = AcpiGbl_MemoryLists[0].ListHead;
+    while (Element)
+    {
+        if ((Element->Component & Component) &&
+            ((Module == NULL) || (0 == ACPI_STRCMP (Module, Element->Module))))
+        {
+            /* Ignore allocated objects that are in a cache */
+
+            Descriptor = ACPI_CAST_PTR (ACPI_DESCRIPTOR, &Element->UserSpace);
+            if (Descriptor->DescriptorId != ACPI_DESC_TYPE_CACHED)
+            {
+                AcpiOsPrintf ("%p Len %04X %9.9s-%d ",
+                            Descriptor, Element->Size, Element->Module,
+                            Element->Line);
+
+                /* Most of the elements will be internal objects. */
+
+                switch (ACPI_GET_DESCRIPTOR_TYPE (Descriptor))
+                {
+                case ACPI_DESC_TYPE_OPERAND:
+                    AcpiOsPrintf ("ObjType %12.12s R%hd",
+                            AcpiUtGetTypeName (Descriptor->Object.Common.Type),
+                            Descriptor->Object.Common.ReferenceCount);
+                    break;
+
+                case ACPI_DESC_TYPE_PARSER:
+                    AcpiOsPrintf ("ParseObj AmlOpcode %04hX",
+                            Descriptor->Op.Asl.AmlOpcode);
+                    break;
+
+                case ACPI_DESC_TYPE_NAMED:
+                    AcpiOsPrintf ("Node %4.4s",
+                            Descriptor->Node.Name.Ascii);
+                    break;
+
+                case ACPI_DESC_TYPE_STATE:
+                    AcpiOsPrintf ("Untyped StateObj");
+                    break;
+
+                case ACPI_DESC_TYPE_STATE_UPDATE:
+                    AcpiOsPrintf ("UPDATE StateObj");
+                    break;
+
+                case ACPI_DESC_TYPE_STATE_PACKAGE:
+                    AcpiOsPrintf ("PACKAGE StateObj");
+                    break;
+
+                case ACPI_DESC_TYPE_STATE_CONTROL:
+                    AcpiOsPrintf ("CONTROL StateObj");
+                    break;
+
+                case ACPI_DESC_TYPE_STATE_RPSCOPE:
+                    AcpiOsPrintf ("ROOT-PARSE-SCOPE StateObj");
+                    break;
+
+                case ACPI_DESC_TYPE_STATE_PSCOPE:
+                    AcpiOsPrintf ("PARSE-SCOPE StateObj");
+                    break;
+
+                case ACPI_DESC_TYPE_STATE_WSCOPE:
+                    AcpiOsPrintf ("WALK-SCOPE StateObj");
+                    break;
+
+                case ACPI_DESC_TYPE_STATE_RESULT:
+                    AcpiOsPrintf ("RESULT StateObj");
+                    break;
+
+                case ACPI_DESC_TYPE_STATE_NOTIFY:
+                    AcpiOsPrintf ("NOTIFY StateObj");
+                    break;
+
+                case ACPI_DESC_TYPE_STATE_THREAD:
+                    AcpiOsPrintf ("THREAD StateObj");
+                    break;
+
+                default:
+                    /* All types should appear above */
+                    break;
+                }
+
+                AcpiOsPrintf ( "\n");
+                NumOutstanding++;
+            }
+        }
+        Element = Element->Next;
+    }
+
+    (void) AcpiUtReleaseMutex (ACPI_MTX_MEMORY);
+
+    /* Print summary */
+
+    if (!NumOutstanding)
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_OK,
+            "No outstanding allocations.\n"));
+    }
+    else
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_OK,
+            "%d(%X) Outstanding allocations\n",
+            NumOutstanding, NumOutstanding));
+    }
+
+    return_VOID;
+}
+
+
+#endif  /* #ifdef ACPI_DBG_TRACK_ALLOCATIONS */
+
diff --git a/sys/contrib/dev/acpica/utclib.c b/sys/contrib/dev/acpica/utclib.c
new file mode 100644
index 0000000..b404912
--- /dev/null
+++ b/sys/contrib/dev/acpica/utclib.c
@@ -0,0 +1,892 @@
+/******************************************************************************
+ *
+ * Module Name: cmclib - Local implementation of C library functions
+ * $Revision: 47 $
+ *
+ *****************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+
+#define __CMCLIB_C__
+
+#include "acpi.h"
+
+/*
+ * These implementations of standard C Library routines can optionally be
+ * used if a C library is not available.  In general, they are less efficient
+ * than an inline or assembly implementation
+ */
+
+#define _COMPONENT          ACPI_UTILITIES
+        ACPI_MODULE_NAME    ("cmclib")
+
+
+#ifndef ACPI_USE_SYSTEM_CLIBRARY
+
+/*******************************************************************************
+ *
+ * FUNCTION:    strlen
+ *
+ * PARAMETERS:  String              - Null terminated string
+ *
+ * RETURN:      Length
+ *
+ * DESCRIPTION: Returns the length of the input string
+ *
+ ******************************************************************************/
+
+
+ACPI_SIZE
+AcpiUtStrlen (
+    const NATIVE_CHAR       *String)
+{
+    UINT32                  Length = 0;
+
+
+    /* Count the string until a null is encountered */
+
+    while (*String)
+    {
+        Length++;
+        String++;
+    }
+
+    return (Length);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    strcpy
+ *
+ * PARAMETERS:  DstString       - Target of the copy
+ *              SrcString       - The source string to copy
+ *
+ * RETURN:      DstString
+ *
+ * DESCRIPTION: Copy a null terminated string
+ *
+ ******************************************************************************/
+
+NATIVE_CHAR *
+AcpiUtStrcpy (
+    NATIVE_CHAR             *DstString,
+    const NATIVE_CHAR       *SrcString)
+{
+    NATIVE_CHAR             *String = DstString;
+
+
+    /* Move bytes brute force */
+
+    while (*SrcString)
+    {
+        *String = *SrcString;
+
+        String++;
+        SrcString++;
+    }
+
+    /* Null terminate */
+
+    *String = 0;
+    return (DstString);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    strncpy
+ *
+ * PARAMETERS:  DstString       - Target of the copy
+ *              SrcString       - The source string to copy
+ *              Count           - Maximum # of bytes to copy
+ *
+ * RETURN:      DstString
+ *
+ * DESCRIPTION: Copy a null terminated string, with a maximum length
+ *
+ ******************************************************************************/
+
+NATIVE_CHAR *
+AcpiUtStrncpy (
+    NATIVE_CHAR             *DstString,
+    const NATIVE_CHAR       *SrcString,
+    ACPI_SIZE               Count)
+{
+    NATIVE_CHAR             *String = DstString;
+
+
+    /* Copy the string */
+
+    for (String = DstString;
+        Count && (Count--, (*String++ = *SrcString++)); )
+    {;}
+
+    /* Pad with nulls if necessary */
+
+    while (Count--)
+    {
+        *String = 0;
+        String++;
+    }
+
+    /* Return original pointer */
+
+    return (DstString);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    strcmp
+ *
+ * PARAMETERS:  String1         - First string
+ *              String2         - Second string
+ *
+ * RETURN:      Index where strings mismatched, or 0 if strings matched
+ *
+ * DESCRIPTION: Compare two null terminated strings
+ *
+ ******************************************************************************/
+
+int
+AcpiUtStrcmp (
+    const NATIVE_CHAR       *String1,
+    const NATIVE_CHAR       *String2)
+{
+
+
+    for ( ; (*String1 == *String2); String2++)
+    {
+        if (!*String1++)
+        {
+            return (0);
+        }
+    }
+
+    return ((unsigned char) *String1 - (unsigned char) *String2);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    strncmp
+ *
+ * PARAMETERS:  String1         - First string
+ *              String2         - Second string
+ *              Count           - Maximum # of bytes to compare
+ *
+ * RETURN:      Index where strings mismatched, or 0 if strings matched
+ *
+ * DESCRIPTION: Compare two null terminated strings, with a maximum length
+ *
+ ******************************************************************************/
+
+int
+AcpiUtStrncmp (
+    const NATIVE_CHAR       *String1,
+    const NATIVE_CHAR       *String2,
+    ACPI_SIZE               Count)
+{
+
+
+    for ( ; Count-- && (*String1 == *String2); String2++)
+    {
+        if (!*String1++)
+        {
+            return (0);
+        }
+    }
+
+    return ((Count == ACPI_SIZE_MAX) ? 0 : ((unsigned char) *String1 -
+        (unsigned char) *String2));
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    Strcat
+ *
+ * PARAMETERS:  DstString       - Target of the copy
+ *              SrcString       - The source string to copy
+ *
+ * RETURN:      DstString
+ *
+ * DESCRIPTION: Append a null terminated string to a null terminated string
+ *
+ ******************************************************************************/
+
+NATIVE_CHAR *
+AcpiUtStrcat (
+    NATIVE_CHAR             *DstString,
+    const NATIVE_CHAR       *SrcString)
+{
+    NATIVE_CHAR             *String;
+
+
+    /* Find end of the destination string */
+
+    for (String = DstString; *String++; )
+    { ; }
+
+    /* Concatenate the string */
+
+    for (--String; (*String++ = *SrcString++); )
+    { ; }
+
+    return (DstString);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    strncat
+ *
+ * PARAMETERS:  DstString       - Target of the copy
+ *              SrcString       - The source string to copy
+ *              Count           - Maximum # of bytes to copy
+ *
+ * RETURN:      DstString
+ *
+ * DESCRIPTION: Append a null terminated string to a null terminated string,
+ *              with a maximum count.
+ *
+ ******************************************************************************/
+
+NATIVE_CHAR *
+AcpiUtStrncat (
+    NATIVE_CHAR             *DstString,
+    const NATIVE_CHAR       *SrcString,
+    ACPI_SIZE               Count)
+{
+    NATIVE_CHAR             *String;
+
+
+    if (Count)
+    {
+        /* Find end of the destination string */
+
+        for (String = DstString; *String++; )
+        { ; }
+
+        /* Concatenate the string */
+
+        for (--String; (*String++ = *SrcString++) && --Count; )
+        { ; }
+
+        /* Null terminate if necessary */
+
+        if (!Count)
+        {
+            *String = 0;
+        }
+    }
+
+    return (DstString);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    memcpy
+ *
+ * PARAMETERS:  Dest        - Target of the copy
+ *              Src         - Source buffer to copy
+ *              Count       - Number of bytes to copy
+ *
+ * RETURN:      Dest
+ *
+ * DESCRIPTION: Copy arbitrary bytes of memory
+ *
+ ******************************************************************************/
+
+void *
+AcpiUtMemcpy (
+    void                    *Dest,
+    const void              *Src,
+    ACPI_SIZE               Count)
+{
+    NATIVE_CHAR             *New = (NATIVE_CHAR *) Dest;
+    NATIVE_CHAR             *Old = (NATIVE_CHAR *) Src;
+
+
+    while (Count)
+    {
+        *New = *Old;
+        New++;
+        Old++;
+        Count--;
+    }
+
+    return (Dest);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    memset
+ *
+ * PARAMETERS:  Dest        - Buffer to set
+ *              Value       - Value to set each byte of memory
+ *              Count       - Number of bytes to set
+ *
+ * RETURN:      Dest
+ *
+ * DESCRIPTION: Initialize a buffer to a known value.
+ *
+ ******************************************************************************/
+
+void *
+AcpiUtMemset (
+    void                    *Dest,
+    NATIVE_UINT             Value,
+    ACPI_SIZE               Count)
+{
+    NATIVE_CHAR             *New = (NATIVE_CHAR *) Dest;
+
+
+    while (Count)
+    {
+        *New = (char) Value;
+        New++;
+        Count--;
+    }
+
+    return (Dest);
+}
+
+
+#define NEGATIVE    1
+#define POSITIVE    0
+
+const UINT8 _acpi_ctype[257] = {
+    _ACPI_CN,            /* 0x0      0.     */
+    _ACPI_CN,            /* 0x1      1.     */
+    _ACPI_CN,            /* 0x2      2.     */
+    _ACPI_CN,            /* 0x3      3.     */
+    _ACPI_CN,            /* 0x4      4.     */
+    _ACPI_CN,            /* 0x5      5.     */
+    _ACPI_CN,            /* 0x6      6.     */
+    _ACPI_CN,            /* 0x7      7.     */
+    _ACPI_CN,            /* 0x8      8.     */
+    _ACPI_CN|_ACPI_SP,   /* 0x9      9.     */
+    _ACPI_CN|_ACPI_SP,   /* 0xA     10.     */
+    _ACPI_CN|_ACPI_SP,   /* 0xB     11.     */
+    _ACPI_CN|_ACPI_SP,   /* 0xC     12.     */
+    _ACPI_CN|_ACPI_SP,   /* 0xD     13.     */
+    _ACPI_CN,            /* 0xE     14.     */
+    _ACPI_CN,            /* 0xF     15.     */
+    _ACPI_CN,            /* 0x10    16.     */
+    _ACPI_CN,            /* 0x11    17.     */
+    _ACPI_CN,            /* 0x12    18.     */
+    _ACPI_CN,            /* 0x13    19.     */
+    _ACPI_CN,            /* 0x14    20.     */
+    _ACPI_CN,            /* 0x15    21.     */
+    _ACPI_CN,            /* 0x16    22.     */
+    _ACPI_CN,            /* 0x17    23.     */
+    _ACPI_CN,            /* 0x18    24.     */
+    _ACPI_CN,            /* 0x19    25.     */
+    _ACPI_CN,            /* 0x1A    26.     */
+    _ACPI_CN,            /* 0x1B    27.     */
+    _ACPI_CN,            /* 0x1C    28.     */
+    _ACPI_CN,            /* 0x1D    29.     */
+    _ACPI_CN,            /* 0x1E    30.     */
+    _ACPI_CN,            /* 0x1F    31.     */
+    _ACPI_XS|_ACPI_SP,   /* 0x20    32. ' ' */
+    _ACPI_PU,            /* 0x21    33. '!' */
+    _ACPI_PU,            /* 0x22    34. '"' */
+    _ACPI_PU,            /* 0x23    35. '#' */
+    _ACPI_PU,            /* 0x24    36. '$' */
+    _ACPI_PU,            /* 0x25    37. '%' */
+    _ACPI_PU,            /* 0x26    38. '&' */
+    _ACPI_PU,            /* 0x27    39. ''' */
+    _ACPI_PU,            /* 0x28    40. '(' */
+    _ACPI_PU,            /* 0x29    41. ')' */
+    _ACPI_PU,            /* 0x2A    42. '*' */
+    _ACPI_PU,            /* 0x2B    43. '+' */
+    _ACPI_PU,            /* 0x2C    44. ',' */
+    _ACPI_PU,            /* 0x2D    45. '-' */
+    _ACPI_PU,            /* 0x2E    46. '.' */
+    _ACPI_PU,            /* 0x2F    47. '/' */
+    _ACPI_XD|_ACPI_DI,   /* 0x30    48. '0' */
+    _ACPI_XD|_ACPI_DI,   /* 0x31    49. '1' */
+    _ACPI_XD|_ACPI_DI,   /* 0x32    50. '2' */
+    _ACPI_XD|_ACPI_DI,   /* 0x33    51. '3' */
+    _ACPI_XD|_ACPI_DI,   /* 0x34    52. '4' */
+    _ACPI_XD|_ACPI_DI,   /* 0x35    53. '5' */
+    _ACPI_XD|_ACPI_DI,   /* 0x36    54. '6' */
+    _ACPI_XD|_ACPI_DI,   /* 0x37    55. '7' */
+    _ACPI_XD|_ACPI_DI,   /* 0x38    56. '8' */
+    _ACPI_XD|_ACPI_DI,   /* 0x39    57. '9' */
+    _ACPI_PU,            /* 0x3A    58. ':' */
+    _ACPI_PU,            /* 0x3B    59. ';' */
+    _ACPI_PU,            /* 0x3C    60. '<' */
+    _ACPI_PU,            /* 0x3D    61. '=' */
+    _ACPI_PU,            /* 0x3E    62. '>' */
+    _ACPI_PU,            /* 0x3F    63. '?' */
+    _ACPI_PU,            /* 0x40    64. '@' */
+    _ACPI_XD|_ACPI_UP,   /* 0x41    65. 'A' */
+    _ACPI_XD|_ACPI_UP,   /* 0x42    66. 'B' */
+    _ACPI_XD|_ACPI_UP,   /* 0x43    67. 'C' */
+    _ACPI_XD|_ACPI_UP,   /* 0x44    68. 'D' */
+    _ACPI_XD|_ACPI_UP,   /* 0x45    69. 'E' */
+    _ACPI_XD|_ACPI_UP,   /* 0x46    70. 'F' */
+    _ACPI_UP,            /* 0x47    71. 'G' */
+    _ACPI_UP,            /* 0x48    72. 'H' */
+    _ACPI_UP,            /* 0x49    73. 'I' */
+    _ACPI_UP,            /* 0x4A    74. 'J' */
+    _ACPI_UP,            /* 0x4B    75. 'K' */
+    _ACPI_UP,            /* 0x4C    76. 'L' */
+    _ACPI_UP,            /* 0x4D    77. 'M' */
+    _ACPI_UP,            /* 0x4E    78. 'N' */
+    _ACPI_UP,            /* 0x4F    79. 'O' */
+    _ACPI_UP,            /* 0x50    80. 'P' */
+    _ACPI_UP,            /* 0x51    81. 'Q' */
+    _ACPI_UP,            /* 0x52    82. 'R' */
+    _ACPI_UP,            /* 0x53    83. 'S' */
+    _ACPI_UP,            /* 0x54    84. 'T' */
+    _ACPI_UP,            /* 0x55    85. 'U' */
+    _ACPI_UP,            /* 0x56    86. 'V' */
+    _ACPI_UP,            /* 0x57    87. 'W' */
+    _ACPI_UP,            /* 0x58    88. 'X' */
+    _ACPI_UP,            /* 0x59    89. 'Y' */
+    _ACPI_UP,            /* 0x5A    90. 'Z' */
+    _ACPI_PU,            /* 0x5B    91. '[' */
+    _ACPI_PU,            /* 0x5C    92. '\' */
+    _ACPI_PU,            /* 0x5D    93. ']' */
+    _ACPI_PU,            /* 0x5E    94. '^' */
+    _ACPI_PU,            /* 0x5F    95. '_' */
+    _ACPI_PU,            /* 0x60    96. '`' */
+    _ACPI_XD|_ACPI_LO,   /* 0x61    97. 'a' */
+    _ACPI_XD|_ACPI_LO,   /* 0x62    98. 'b' */
+    _ACPI_XD|_ACPI_LO,   /* 0x63    99. 'c' */
+    _ACPI_XD|_ACPI_LO,   /* 0x64   100. 'd' */
+    _ACPI_XD|_ACPI_LO,   /* 0x65   101. 'e' */
+    _ACPI_XD|_ACPI_LO,   /* 0x66   102. 'f' */
+    _ACPI_LO,            /* 0x67   103. 'g' */
+    _ACPI_LO,            /* 0x68   104. 'h' */
+    _ACPI_LO,            /* 0x69   105. 'i' */
+    _ACPI_LO,            /* 0x6A   106. 'j' */
+    _ACPI_LO,            /* 0x6B   107. 'k' */
+    _ACPI_LO,            /* 0x6C   108. 'l' */
+    _ACPI_LO,            /* 0x6D   109. 'm' */
+    _ACPI_LO,            /* 0x6E   110. 'n' */
+    _ACPI_LO,            /* 0x6F   111. 'o' */
+    _ACPI_LO,            /* 0x70   112. 'p' */
+    _ACPI_LO,            /* 0x71   113. 'q' */
+    _ACPI_LO,            /* 0x72   114. 'r' */
+    _ACPI_LO,            /* 0x73   115. 's' */
+    _ACPI_LO,            /* 0x74   116. 't' */
+    _ACPI_LO,            /* 0x75   117. 'u' */
+    _ACPI_LO,            /* 0x76   118. 'v' */
+    _ACPI_LO,            /* 0x77   119. 'w' */
+    _ACPI_LO,            /* 0x78   120. 'x' */
+    _ACPI_LO,            /* 0x79   121. 'y' */
+    _ACPI_LO,            /* 0x7A   122. 'z' */
+    _ACPI_PU,            /* 0x7B   123. '{' */
+    _ACPI_PU,            /* 0x7C   124. '|' */
+    _ACPI_PU,            /* 0x7D   125. '}' */
+    _ACPI_PU,            /* 0x7E   126. '~' */
+    _ACPI_CN,            /* 0x7F   127.     */
+
+    0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,  /* 0x80 to 0x8F    */
+    0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,  /* 0x90 to 0x9F    */
+    0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,  /* 0xA0 to 0xAF    */
+    0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,  /* 0xB0 to 0xBF    */
+    0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,  /* 0xC0 to 0xCF    */
+    0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,  /* 0xD0 to 0xDF    */
+    0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,  /* 0xE0 to 0xEF    */
+    0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 /* 0xF0 to 0x100   */
+};
+
+#define IS_UPPER(c)  (_acpi_ctype[(unsigned char)(c)] & (_ACPI_UP))
+#define IS_LOWER(c)  (_acpi_ctype[(unsigned char)(c)] & (_ACPI_LO))
+#define IS_DIGIT(c)  (_acpi_ctype[(unsigned char)(c)] & (_ACPI_DI))
+#define IS_SPACE(c)  (_acpi_ctype[(unsigned char)(c)] & (_ACPI_SP))
+#define IS_XDIGIT(c) (_acpi_ctype[(unsigned char)(c)] & (_ACPI_XD))
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtToUpper
+ *
+ * PARAMETERS:
+ *
+ * RETURN:
+ *
+ * DESCRIPTION: Convert character to uppercase
+ *
+ ******************************************************************************/
+
+int
+AcpiUtToUpper (
+    int                     c)
+{
+
+    return (IS_LOWER(c) ? ((c)-0x20) : (c));
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtToLower
+ *
+ * PARAMETERS:
+ *
+ * RETURN:
+ *
+ * DESCRIPTION: Convert character to lowercase
+ *
+ ******************************************************************************/
+
+int
+AcpiUtToLower (
+    int                     c)
+{
+
+    return (IS_UPPER(c) ? ((c)+0x20) : (c));
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    strstr
+ *
+ * PARAMETERS:  String1       -
+ *              String2
+ *
+ * RETURN:
+ *
+ * DESCRIPTION: Checks if String2 occurs in String1. This is not really a
+ *              full implementation of strstr, only sufficient for command
+ *              matching
+ *
+ ******************************************************************************/
+
+NATIVE_CHAR *
+AcpiUtStrstr (
+    NATIVE_CHAR             *String1,
+    NATIVE_CHAR             *String2)
+{
+    NATIVE_CHAR             *String;
+
+
+    if (AcpiUtStrlen (String2) > AcpiUtStrlen (String1))
+    {
+        return (NULL);
+    }
+
+    /* Walk entire string, comparing the letters */
+
+    for (String = String1; *String2; )
+    {
+        if (*String2 != *String)
+        {
+            return (NULL);
+        }
+
+        String2++;
+        String++;
+    }
+
+    return (String1);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    strtoul
+ *
+ * PARAMETERS:  String          - Null terminated string
+ *              Terminater      - Where a pointer to the terminating byte is returned
+ *              Base            - Radix of the string
+ *
+ * RETURN:      Converted value
+ *
+ * DESCRIPTION: Convert a string into an unsigned value.
+ *
+ ******************************************************************************/
+
+UINT32
+AcpiUtStrtoul (
+    const NATIVE_CHAR       *String,
+    NATIVE_CHAR             **Terminator,
+    UINT32                  Base)
+{
+    UINT32                  converted = 0;
+    UINT32                  index;
+    UINT32                  sign;
+    const NATIVE_CHAR       *StringStart;
+    UINT32                  ReturnValue = 0;
+    ACPI_STATUS             Status = AE_OK;
+
+
+    /*
+     * Save the value of the pointer to the buffer's first
+     * character, save the current errno value, and then
+     * skip over any white space in the buffer:
+     */
+    StringStart = String;
+    while (IS_SPACE (*String) || *String == '\t')
+    {
+        ++String;
+    }
+
+    /*
+     * The buffer may contain an optional plus or minus sign.
+     * If it does, then skip over it but remember what is was:
+     */
+    if (*String == '-')
+    {
+        sign = NEGATIVE;
+        ++String;
+    }
+    else if (*String == '+')
+    {
+        ++String;
+        sign = POSITIVE;
+    }
+    else
+    {
+        sign = POSITIVE;
+    }
+
+    /*
+     * If the input parameter Base is zero, then we need to
+     * determine if it is octal, decimal, or hexadecimal:
+     */
+    if (Base == 0)
+    {
+        if (*String == '0')
+        {
+            if (AcpiUtToLower (*(++String)) == 'x')
+            {
+                Base = 16;
+                ++String;
+            }
+            else
+            {
+                Base = 8;
+            }
+        }
+        else
+        {
+            Base = 10;
+        }
+    }
+    else if (Base < 2 || Base > 36)
+    {
+        /*
+         * The specified Base parameter is not in the domain of
+         * this function:
+         */
+        goto done;
+    }
+
+    /*
+     * For octal and hexadecimal bases, skip over the leading
+     * 0 or 0x, if they are present.
+     */
+    if (Base == 8 && *String == '0')
+    {
+        String++;
+    }
+
+    if (Base == 16 &&
+        *String == '0' &&
+        AcpiUtToLower (*(++String)) == 'x')
+    {
+        String++;
+    }
+
+
+    /*
+     * Main loop: convert the string to an unsigned long:
+     */
+    while (*String)
+    {
+        if (IS_DIGIT (*String))
+        {
+            index = (UINT32) ((UINT8) *String - '0');
+        }
+        else
+        {
+            index = (UINT32) AcpiUtToUpper (*String);
+            if (IS_UPPER (index))
+            {
+                index = index - 'A' + 10;
+            }
+            else
+            {
+                goto done;
+            }
+        }
+
+        if (index >= Base)
+        {
+            goto done;
+        }
+
+        /*
+         * Check to see if value is out of range:
+         */
+
+        if (ReturnValue > ((ACPI_UINT32_MAX - (UINT32) index) /
+                            (UINT32) Base))
+        {
+            Status = AE_ERROR;
+            ReturnValue = 0L;           /* reset */
+        }
+        else
+        {
+            ReturnValue *= Base;
+            ReturnValue += index;
+            converted = 1;
+        }
+
+        ++String;
+    }
+
+done:
+    /*
+     * If appropriate, update the caller's pointer to the next
+     * unconverted character in the buffer.
+     */
+    if (Terminator)
+    {
+        if (converted == 0 && ReturnValue == 0L && String != NULL)
+        {
+            *Terminator = (NATIVE_CHAR *) StringStart;
+        }
+        else
+        {
+            *Terminator = (NATIVE_CHAR *) String;
+        }
+    }
+
+    if (Status == AE_ERROR)
+    {
+        ReturnValue = ACPI_UINT32_MAX;
+    }
+
+    /*
+     * If a minus sign was present, then "the conversion is negated":
+     */
+    if (sign == NEGATIVE)
+    {
+        ReturnValue = (ACPI_UINT32_MAX - ReturnValue) + 1;
+    }
+
+    return (ReturnValue);
+}
+
+#endif /* ACPI_USE_SYSTEM_CLIBRARY */
+
diff --git a/sys/contrib/dev/acpica/utcopy.c b/sys/contrib/dev/acpica/utcopy.c
new file mode 100644
index 0000000..c1bb6d5
--- /dev/null
+++ b/sys/contrib/dev/acpica/utcopy.c
@@ -0,0 +1,965 @@
+/******************************************************************************
+ *
+ * Module Name: utcopy - Internal to external object translation utilities
+ *              $Revision: 105 $
+ *
+ *****************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+#define __UTCOPY_C__
+
+#include "acpi.h"
+#include "amlcode.h"
+
+
+#define _COMPONENT          ACPI_UTILITIES
+        ACPI_MODULE_NAME    ("utcopy")
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtCopyIsimpleToEsimple
+ *
+ * PARAMETERS:  *InternalObject     - Pointer to the object we are examining
+ *              *Buffer             - Where the object is returned
+ *              *SpaceUsed          - Where the data length is returned
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: This function is called to place a simple object in a user
+ *              buffer.
+ *
+ *              The buffer is assumed to have sufficient space for the object.
+ *
+ ******************************************************************************/
+
+static ACPI_STATUS
+AcpiUtCopyIsimpleToEsimple (
+    ACPI_OPERAND_OBJECT     *InternalObject,
+    ACPI_OBJECT             *ExternalObject,
+    UINT8                   *DataSpace,
+    ACPI_SIZE               *BufferSpaceUsed)
+{
+    ACPI_STATUS             Status = AE_OK;
+
+
+    ACPI_FUNCTION_TRACE ("UtCopyIsimpleToEsimple");
+
+
+    *BufferSpaceUsed = 0;
+
+    /*
+     * Check for NULL object case (could be an uninitialized
+     * package element)
+     */
+    if (!InternalObject)
+    {
+        return_ACPI_STATUS (AE_OK);
+    }
+
+    /* Always clear the external object */
+
+    ACPI_MEMSET (ExternalObject, 0, sizeof (ACPI_OBJECT));
+
+    /*
+     * In general, the external object will be the same type as
+     * the internal object
+     */
+    ExternalObject->Type = ACPI_GET_OBJECT_TYPE (InternalObject);
+
+    /* However, only a limited number of external types are supported */
+
+    switch (ACPI_GET_OBJECT_TYPE (InternalObject))
+    {
+    case ACPI_TYPE_STRING:
+
+        ExternalObject->String.Pointer = (NATIVE_CHAR *) DataSpace;
+        ExternalObject->String.Length  = InternalObject->String.Length;
+        *BufferSpaceUsed = ACPI_ROUND_UP_TO_NATIVE_WORD ((ACPI_SIZE) InternalObject->String.Length + 1);
+
+        ACPI_MEMCPY ((void *) DataSpace, (void *) InternalObject->String.Pointer,
+                    (ACPI_SIZE) InternalObject->String.Length + 1);
+        break;
+
+
+    case ACPI_TYPE_BUFFER:
+
+        ExternalObject->Buffer.Pointer = DataSpace;
+        ExternalObject->Buffer.Length  = InternalObject->Buffer.Length;
+        *BufferSpaceUsed = ACPI_ROUND_UP_TO_NATIVE_WORD (InternalObject->String.Length);
+
+        ACPI_MEMCPY ((void *) DataSpace, (void *) InternalObject->Buffer.Pointer,
+                    InternalObject->Buffer.Length);
+        break;
+
+
+    case ACPI_TYPE_INTEGER:
+
+        ExternalObject->Integer.Value = InternalObject->Integer.Value;
+        break;
+
+
+    case ACPI_TYPE_LOCAL_REFERENCE:
+
+        /*
+         * This is an object reference.  Attempt to dereference it.
+         */
+        switch (InternalObject->Reference.Opcode)
+        {
+        case AML_INT_NAMEPATH_OP:
+
+            /* For namepath, return the object handle ("reference") */
+
+        default:
+            /*
+             * Use the object type of "Any" to indicate a reference
+             * to object containing a handle to an ACPI named object.
+             */
+            ExternalObject->Type = ACPI_TYPE_ANY;
+            ExternalObject->Reference.Handle = InternalObject->Reference.Node;
+            break;
+        }
+        break;
+
+
+    case ACPI_TYPE_PROCESSOR:
+
+        ExternalObject->Processor.ProcId      = InternalObject->Processor.ProcId;
+        ExternalObject->Processor.PblkAddress = InternalObject->Processor.Address;
+        ExternalObject->Processor.PblkLength  = InternalObject->Processor.Length;
+        break;
+
+
+    case ACPI_TYPE_POWER:
+
+        ExternalObject->PowerResource.SystemLevel =
+                            InternalObject->PowerResource.SystemLevel;
+
+        ExternalObject->PowerResource.ResourceOrder =
+                            InternalObject->PowerResource.ResourceOrder;
+        break;
+
+
+    default:
+        /*
+         * There is no corresponding external object type
+         */
+        return_ACPI_STATUS (AE_SUPPORT);
+    }
+
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtCopyIelementToEelement
+ *
+ * PARAMETERS:  ACPI_PKG_CALLBACK
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Copy one package element to another package element
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiUtCopyIelementToEelement (
+    UINT8                   ObjectType,
+    ACPI_OPERAND_OBJECT     *SourceObject,
+    ACPI_GENERIC_STATE      *State,
+    void                    *Context)
+{
+    ACPI_STATUS             Status = AE_OK;
+    ACPI_PKG_INFO           *Info = (ACPI_PKG_INFO *) Context;
+    ACPI_SIZE               ObjectSpace;
+    UINT32                  ThisIndex;
+    ACPI_OBJECT             *TargetObject;
+
+
+    ACPI_FUNCTION_ENTRY ();
+
+
+    ThisIndex    = State->Pkg.Index;
+    TargetObject = (ACPI_OBJECT *)
+                    &((ACPI_OBJECT *)(State->Pkg.DestObject))->Package.Elements[ThisIndex];
+
+    switch (ObjectType)
+    {
+    case ACPI_COPY_TYPE_SIMPLE:
+
+        /*
+         * This is a simple or null object
+         */
+        Status = AcpiUtCopyIsimpleToEsimple (SourceObject,
+                        TargetObject, Info->FreeSpace, &ObjectSpace);
+        if (ACPI_FAILURE (Status))
+        {
+            return (Status);
+        }
+        break;
+
+
+    case ACPI_COPY_TYPE_PACKAGE:
+
+        /*
+         * Build the package object
+         */
+        TargetObject->Type              = ACPI_TYPE_PACKAGE;
+        TargetObject->Package.Count     = SourceObject->Package.Count;
+        TargetObject->Package.Elements  = ACPI_CAST_PTR (ACPI_OBJECT, Info->FreeSpace);
+
+        /*
+         * Pass the new package object back to the package walk routine
+         */
+        State->Pkg.ThisTargetObj = TargetObject;
+
+        /*
+         * Save space for the array of objects (Package elements)
+         * update the buffer length counter
+         */
+        ObjectSpace = ACPI_ROUND_UP_TO_NATIVE_WORD (
+                            (ACPI_SIZE) TargetObject->Package.Count * sizeof (ACPI_OBJECT));
+        break;
+
+
+    default:
+        return (AE_BAD_PARAMETER);
+    }
+
+    Info->FreeSpace   += ObjectSpace;
+    Info->Length      += ObjectSpace;
+    return (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtCopyIpackageToEpackage
+ *
+ * PARAMETERS:  *InternalObject     - Pointer to the object we are returning
+ *              *Buffer             - Where the object is returned
+ *              *SpaceUsed          - Where the object length is returned
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: This function is called to place a package object in a user
+ *              buffer.  A package object by definition contains other objects.
+ *
+ *              The buffer is assumed to have sufficient space for the object.
+ *              The caller must have verified the buffer length needed using the
+ *              AcpiUtGetObjectSize function before calling this function.
+ *
+ ******************************************************************************/
+
+static ACPI_STATUS
+AcpiUtCopyIpackageToEpackage (
+    ACPI_OPERAND_OBJECT     *InternalObject,
+    UINT8                   *Buffer,
+    ACPI_SIZE               *SpaceUsed)
+{
+    ACPI_OBJECT             *ExternalObject;
+    ACPI_STATUS             Status;
+    ACPI_PKG_INFO           Info;
+
+
+    ACPI_FUNCTION_TRACE ("UtCopyIpackageToEpackage");
+
+
+    /*
+     * First package at head of the buffer
+     */
+    ExternalObject = ACPI_CAST_PTR (ACPI_OBJECT, Buffer);
+
+    /*
+     * Free space begins right after the first package
+     */
+    Info.Length      = ACPI_ROUND_UP_TO_NATIVE_WORD (sizeof (ACPI_OBJECT));
+    Info.FreeSpace   = Buffer + ACPI_ROUND_UP_TO_NATIVE_WORD (sizeof (ACPI_OBJECT));
+    Info.ObjectSpace = 0;
+    Info.NumPackages = 1;
+
+    ExternalObject->Type             = ACPI_GET_OBJECT_TYPE (InternalObject);
+    ExternalObject->Package.Count    = InternalObject->Package.Count;
+    ExternalObject->Package.Elements = ACPI_CAST_PTR (ACPI_OBJECT, Info.FreeSpace);
+
+    /*
+     * Leave room for an array of ACPI_OBJECTS in the buffer
+     * and move the free space past it
+     */
+    Info.Length    += (ACPI_SIZE) ExternalObject->Package.Count *
+                            ACPI_ROUND_UP_TO_NATIVE_WORD (sizeof (ACPI_OBJECT));
+    Info.FreeSpace += ExternalObject->Package.Count *
+                            ACPI_ROUND_UP_TO_NATIVE_WORD (sizeof (ACPI_OBJECT));
+
+    Status = AcpiUtWalkPackageTree (InternalObject, ExternalObject,
+                            AcpiUtCopyIelementToEelement, &Info);
+
+    *SpaceUsed = Info.Length;
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtCopyIobjectToEobject
+ *
+ * PARAMETERS:  *InternalObject     - The internal object to be converted
+ *              *BufferPtr          - Where the object is returned
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: This function is called to build an API object to be returned to
+ *              the caller.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiUtCopyIobjectToEobject (
+    ACPI_OPERAND_OBJECT     *InternalObject,
+    ACPI_BUFFER             *RetBuffer)
+{
+    ACPI_STATUS             Status;
+
+
+    ACPI_FUNCTION_TRACE ("UtCopyIobjectToEobject");
+
+
+    if (ACPI_GET_OBJECT_TYPE (InternalObject) == ACPI_TYPE_PACKAGE)
+    {
+        /*
+         * Package object:  Copy all subobjects (including
+         * nested packages)
+         */
+        Status = AcpiUtCopyIpackageToEpackage (InternalObject,
+                        RetBuffer->Pointer, &RetBuffer->Length);
+    }
+    else
+    {
+        /*
+         * Build a simple object (no nested objects)
+         */
+        Status = AcpiUtCopyIsimpleToEsimple (InternalObject,
+                        (ACPI_OBJECT *) RetBuffer->Pointer,
+                        ((UINT8 *) RetBuffer->Pointer +
+                        ACPI_ROUND_UP_TO_NATIVE_WORD (sizeof (ACPI_OBJECT))),
+                        &RetBuffer->Length);
+        /*
+         * build simple does not include the object size in the length
+         * so we add it in here
+         */
+        RetBuffer->Length += sizeof (ACPI_OBJECT);
+    }
+
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtCopyEsimpleToIsimple
+ *
+ * PARAMETERS:  *ExternalObject    - The external object to be converted
+ *              *InternalObject    - Where the internal object is returned
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: This function copies an external object to an internal one.
+ *              NOTE: Pointers can be copied, we don't need to copy data.
+ *              (The pointers have to be valid in our address space no matter
+ *              what we do with them!)
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiUtCopyEsimpleToIsimple (
+    ACPI_OBJECT             *ExternalObject,
+    ACPI_OPERAND_OBJECT     **RetInternalObject)
+{
+    ACPI_OPERAND_OBJECT     *InternalObject;
+
+
+    ACPI_FUNCTION_TRACE ("UtCopyEsimpleToIsimple");
+
+
+    /*
+     * Simple types supported are: String, Buffer, Integer
+     */
+    switch (ExternalObject->Type)
+    {
+    case ACPI_TYPE_STRING:
+    case ACPI_TYPE_BUFFER:
+    case ACPI_TYPE_INTEGER:
+
+        InternalObject = AcpiUtCreateInternalObject ((UINT8) ExternalObject->Type);
+        if (!InternalObject)
+        {
+            return_ACPI_STATUS (AE_NO_MEMORY);
+        }
+        break;
+
+    default:
+        /*
+         * Whatever other type -- it is not supported
+         */
+        return_ACPI_STATUS (AE_SUPPORT);
+    }
+
+
+    switch (ExternalObject->Type)
+    {
+
+    /* Must COPY string and buffer contents */
+
+    case ACPI_TYPE_STRING:
+
+        InternalObject->String.Pointer = ACPI_MEM_CALLOCATE ((ACPI_SIZE) ExternalObject->String.Length + 1);
+        if (!InternalObject->String.Pointer)
+        {
+            return_ACPI_STATUS (AE_NO_MEMORY);
+        }
+
+        ACPI_MEMCPY (InternalObject->String.Pointer,
+                     ExternalObject->String.Pointer,
+                     ExternalObject->String.Length);
+
+        InternalObject->String.Length  = ExternalObject->String.Length;
+        break;
+
+
+    case ACPI_TYPE_BUFFER:
+
+        InternalObject->Buffer.Pointer = ACPI_MEM_CALLOCATE (ExternalObject->Buffer.Length);
+        if (!InternalObject->Buffer.Pointer)
+        {
+            return_ACPI_STATUS (AE_NO_MEMORY);
+        }
+
+        ACPI_MEMCPY (InternalObject->Buffer.Pointer,
+                     ExternalObject->Buffer.Pointer,
+                     ExternalObject->Buffer.Length);
+
+        InternalObject->Buffer.Length  = ExternalObject->Buffer.Length;
+        break;
+
+
+    case ACPI_TYPE_INTEGER:
+
+        InternalObject->Integer.Value   = ExternalObject->Integer.Value;
+        break;
+
+    default:
+        /* Other types can't get here */
+        break;
+    }
+
+    *RetInternalObject = InternalObject;
+    return_ACPI_STATUS (AE_OK);
+}
+
+
+#ifdef ACPI_FUTURE_IMPLEMENTATION
+
+/* Code to convert packages that are parameters to control methods */
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtCopyEpackageToIpackage
+ *
+ * PARAMETERS:  *InternalObject    - Pointer to the object we are returning
+ *              *Buffer         - Where the object is returned
+ *              *SpaceUsed      - Where the length of the object is returned
+ *
+ * RETURN:      Status          - the status of the call
+ *
+ * DESCRIPTION: This function is called to place a package object in a user
+ *              buffer.  A package object by definition contains other objects.
+ *
+ *              The buffer is assumed to have sufficient space for the object.
+ *              The caller must have verified the buffer length needed using the
+ *              AcpiUtGetObjectSize function before calling this function.
+ *
+ ******************************************************************************/
+
+static ACPI_STATUS
+AcpiUtCopyEpackageToIpackage (
+    ACPI_OPERAND_OBJECT     *InternalObject,
+    UINT8                   *Buffer,
+    UINT32                  *SpaceUsed)
+{
+    UINT8                   *FreeSpace;
+    ACPI_OBJECT             *ExternalObject;
+    UINT32                  Length = 0;
+    UINT32                  ThisIndex;
+    UINT32                  ObjectSpace = 0;
+    ACPI_OPERAND_OBJECT     *ThisInternalObj;
+    ACPI_OBJECT             *ThisExternalObj;
+
+
+    ACPI_FUNCTION_TRACE ("UtCopyEpackageToIpackage");
+
+
+    /*
+     * First package at head of the buffer
+     */
+    ExternalObject = (ACPI_OBJECT *)Buffer;
+
+    /*
+     * Free space begins right after the first package
+     */
+    FreeSpace = Buffer + sizeof(ACPI_OBJECT);
+
+
+    ExternalObject->Type               = ACPI_GET_OBJECT_TYPE (InternalObject);
+    ExternalObject->Package.Count      = InternalObject->Package.Count;
+    ExternalObject->Package.Elements   = (ACPI_OBJECT *)FreeSpace;
+
+    /*
+     * Build an array of ACPI_OBJECTS in the buffer
+     * and move the free space past it
+     */
+    FreeSpace += ExternalObject->Package.Count * sizeof(ACPI_OBJECT);
+
+
+    /* Call WalkPackage */
+
+}
+
+#endif /* Future implementation */
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtCopyEobjectToIobject
+ *
+ * PARAMETERS:  *InternalObject    - The external object to be converted
+ *              *BufferPtr      - Where the internal object is returned
+ *
+ * RETURN:      Status          - the status of the call
+ *
+ * DESCRIPTION: Converts an external object to an internal object.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiUtCopyEobjectToIobject (
+    ACPI_OBJECT             *ExternalObject,
+    ACPI_OPERAND_OBJECT     **InternalObject)
+{
+    ACPI_STATUS             Status;
+
+
+    ACPI_FUNCTION_TRACE ("UtCopyEobjectToIobject");
+
+
+    if (ExternalObject->Type == ACPI_TYPE_PACKAGE)
+    {
+        /*
+         * Packages as external input to control methods are not supported,
+         */
+        ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+            "Packages as parameters not implemented!\n"));
+
+        return_ACPI_STATUS (AE_NOT_IMPLEMENTED);
+    }
+
+    else
+    {
+        /*
+         * Build a simple object (no nested objects)
+         */
+        Status = AcpiUtCopyEsimpleToIsimple (ExternalObject, InternalObject);
+    }
+
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtCopySimpleObject
+ *
+ * PARAMETERS:  SourceDesc          - The internal object to be copied
+ *              DestDesc            - New target object
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Simple copy of one internal object to another.  Reference count
+ *              of the destination object is preserved.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiUtCopySimpleObject (
+    ACPI_OPERAND_OBJECT     *SourceDesc,
+    ACPI_OPERAND_OBJECT     *DestDesc)
+{
+    UINT16                  ReferenceCount;
+    ACPI_OPERAND_OBJECT     *NextObject;
+
+
+    /* Save fields from destination that we don't want to overwrite */
+
+    ReferenceCount = DestDesc->Common.ReferenceCount;
+    NextObject = DestDesc->Common.NextObject;
+
+    /* Copy the entire source object over the destination object*/
+
+    ACPI_MEMCPY ((char *) DestDesc, (char *) SourceDesc, sizeof (ACPI_OPERAND_OBJECT));
+
+    /* Restore the saved fields */
+
+    DestDesc->Common.ReferenceCount = ReferenceCount;
+    DestDesc->Common.NextObject = NextObject;
+
+    /* Handle the objects with extra data */
+
+    switch (ACPI_GET_OBJECT_TYPE (DestDesc))
+    {
+    case ACPI_TYPE_BUFFER:
+
+        DestDesc->Buffer.Node = NULL;
+        DestDesc->Common.Flags = SourceDesc->Common.Flags;
+
+        /* Fall through to common string/buffer case */
+        /*lint -fallthrough */
+
+    case ACPI_TYPE_STRING:
+
+        /*
+         * Allocate and copy the actual string if and only if:
+         * 1) There is a valid string (length > 0)
+         * 2) The string is not static (not in an ACPI table) (in this case,
+         *    the actual pointer was already copied above)
+         */
+        if ((SourceDesc->String.Length) &&
+            (!(SourceDesc->Common.Flags & AOPOBJ_STATIC_POINTER)))
+        {
+            DestDesc->String.Pointer = ACPI_MEM_ALLOCATE (SourceDesc->String.Length);
+            if (!DestDesc->String.Pointer)
+            {
+                return (AE_NO_MEMORY);
+            }
+
+            ACPI_MEMCPY (DestDesc->String.Pointer, SourceDesc->String.Pointer,
+                         SourceDesc->String.Length);
+        }
+        break;
+
+    default:
+        /* Nothing to do for other simple objects */
+        break;
+    }
+
+    return (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtCopyIelementToIelement
+ *
+ * PARAMETERS:  ACPI_PKG_CALLBACK
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Copy one package element to another package element
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiUtCopyIelementToIelement (
+    UINT8                   ObjectType,
+    ACPI_OPERAND_OBJECT     *SourceObject,
+    ACPI_GENERIC_STATE      *State,
+    void                    *Context)
+{
+    ACPI_STATUS             Status = AE_OK;
+    UINT32                  ThisIndex;
+    ACPI_OPERAND_OBJECT     **ThisTargetPtr;
+    ACPI_OPERAND_OBJECT     *TargetObject;
+
+
+    ACPI_FUNCTION_ENTRY ();
+
+
+    ThisIndex     = State->Pkg.Index;
+    ThisTargetPtr = (ACPI_OPERAND_OBJECT **)
+                        &State->Pkg.DestObject->Package.Elements[ThisIndex];
+
+    switch (ObjectType)
+    {
+    case 0:
+
+        /*
+         * This is a simple object, just copy it
+         */
+        TargetObject = AcpiUtCreateInternalObject (ACPI_GET_OBJECT_TYPE (SourceObject));
+        if (!TargetObject)
+        {
+            return (AE_NO_MEMORY);
+        }
+
+        Status = AcpiUtCopySimpleObject (SourceObject, TargetObject);
+        if (ACPI_FAILURE (Status))
+        {
+            return (Status);
+        }
+
+        *ThisTargetPtr = TargetObject;
+        break;
+
+
+    case 1:
+
+        /*
+         * This object is a package - go down another nesting level
+         * Create and build the package object
+         */
+        TargetObject = AcpiUtCreateInternalObject (ACPI_TYPE_PACKAGE);
+        if (!TargetObject)
+        {
+            return (AE_NO_MEMORY);
+        }
+
+        TargetObject->Package.Count = SourceObject->Package.Count;
+        TargetObject->Common.Flags  = SourceObject->Common.Flags;
+
+        /*
+         * Pass the new package object back to the package walk routine
+         */
+        State->Pkg.ThisTargetObj = TargetObject;
+
+        /*
+         * Store the object pointer in the parent package object
+         */
+        *ThisTargetPtr = TargetObject;
+        break;
+
+
+    default:
+        return (AE_BAD_PARAMETER);
+    }
+
+    return (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtCopyIpackageToIpackage
+ *
+ * PARAMETERS:  *SourceObj      - Pointer to the source package object
+ *              *DestObj        - Where the internal object is returned
+ *
+ * RETURN:      Status          - the status of the call
+ *
+ * DESCRIPTION: This function is called to copy an internal package object
+ *              into another internal package object.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiUtCopyIpackageToIpackage (
+    ACPI_OPERAND_OBJECT     *SourceObj,
+    ACPI_OPERAND_OBJECT     *DestObj,
+    ACPI_WALK_STATE         *WalkState)
+{
+    ACPI_STATUS             Status = AE_OK;
+
+
+    ACPI_FUNCTION_TRACE ("UtCopyIpackageToIpackage");
+
+
+    DestObj->Common.Type    = ACPI_GET_OBJECT_TYPE (SourceObj);
+    DestObj->Common.Flags   = SourceObj->Common.Flags;
+    DestObj->Package.Count  = SourceObj->Package.Count;
+
+    /*
+     * Create the object array and walk the source package tree
+     */
+    DestObj->Package.Elements = ACPI_MEM_CALLOCATE (
+                                    ((ACPI_SIZE) SourceObj->Package.Count + 1) *
+                                    sizeof (void *));
+    if (!DestObj->Package.Elements)
+    {
+        ACPI_REPORT_ERROR (
+            ("AmlBuildCopyInternalPackageObject: Package allocation failure\n"));
+        return_ACPI_STATUS (AE_NO_MEMORY);
+    }
+
+    /*
+     * Copy the package element-by-element by walking the package "tree".
+     * This handles nested packages of arbitrary depth.
+     */
+    Status = AcpiUtWalkPackageTree (SourceObj, DestObj,
+                            AcpiUtCopyIelementToIelement, WalkState);
+    if (ACPI_FAILURE (Status))
+    {
+        /* On failure, delete the destination package object */
+
+        AcpiUtRemoveReference (DestObj);
+    }
+
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtCopyIobjectToIobject
+ *
+ * PARAMETERS:  WalkState           - Current walk state
+ *              SourceDesc          - The internal object to be copied
+ *              DestDesc            - Where the copied object is returned
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Copy an internal object to a new internal object
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiUtCopyIobjectToIobject (
+    ACPI_OPERAND_OBJECT     *SourceDesc,
+    ACPI_OPERAND_OBJECT     **DestDesc,
+    ACPI_WALK_STATE         *WalkState)
+{
+    ACPI_STATUS             Status = AE_OK;
+
+
+    ACPI_FUNCTION_TRACE ("UtCopyIobjectToIobject");
+
+
+    /* Create the top level object */
+
+    *DestDesc = AcpiUtCreateInternalObject (ACPI_GET_OBJECT_TYPE (SourceDesc));
+    if (!*DestDesc)
+    {
+        return_ACPI_STATUS (AE_NO_MEMORY);
+    }
+
+    /* Copy the object and possible subobjects */
+
+    if (ACPI_GET_OBJECT_TYPE (SourceDesc) == ACPI_TYPE_PACKAGE)
+    {
+        Status = AcpiUtCopyIpackageToIpackage (SourceDesc, *DestDesc,
+                        WalkState);
+    }
+    else
+    {
+        Status = AcpiUtCopySimpleObject (SourceDesc, *DestDesc);
+    }
+
+    return_ACPI_STATUS (Status);
+}
+
+
diff --git a/sys/contrib/dev/acpica/utdebug.c b/sys/contrib/dev/acpica/utdebug.c
new file mode 100644
index 0000000..b791d24
--- /dev/null
+++ b/sys/contrib/dev/acpica/utdebug.c
@@ -0,0 +1,714 @@
+/******************************************************************************
+ *
+ * Module Name: utdebug - Debug print routines
+ *              $Revision: 105 $
+ *
+ *****************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+#define __UTDEBUG_C__
+
+#include "acpi.h"
+
+#define _COMPONENT          ACPI_UTILITIES
+        ACPI_MODULE_NAME    ("utdebug")
+
+
+#ifdef ACPI_DEBUG_OUTPUT
+
+static UINT32   AcpiGbl_PrevThreadId = 0xFFFFFFFF;
+static char     *AcpiGbl_FnEntryStr = "----Entry";
+static char     *AcpiGbl_FnExitStr  = "----Exit-";
+
+
+/*****************************************************************************
+ *
+ * FUNCTION:    AcpiUtInitStackPtrTrace
+ *
+ * PARAMETERS:  None
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Save the current stack pointer
+ *
+ ****************************************************************************/
+
+void
+AcpiUtInitStackPtrTrace (
+    void)
+{
+    UINT32              CurrentSp;
+
+
+    AcpiGbl_EntryStackPointer = ACPI_PTR_DIFF (&CurrentSp, NULL);
+}
+
+
+/*****************************************************************************
+ *
+ * FUNCTION:    AcpiUtTrackStackPtr
+ *
+ * PARAMETERS:  None
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Save the current stack pointer
+ *
+ ****************************************************************************/
+
+void
+AcpiUtTrackStackPtr (
+    void)
+{
+    ACPI_SIZE           CurrentSp;
+
+
+    CurrentSp = ACPI_PTR_DIFF (&CurrentSp, NULL);
+
+    if (CurrentSp < AcpiGbl_LowestStackPointer)
+    {
+        AcpiGbl_LowestStackPointer = CurrentSp;
+    }
+
+    if (AcpiGbl_NestingLevel > AcpiGbl_DeepestNesting)
+    {
+        AcpiGbl_DeepestNesting = AcpiGbl_NestingLevel;
+    }
+}
+
+
+/*****************************************************************************
+ *
+ * FUNCTION:    AcpiUtDebugPrint
+ *
+ * PARAMETERS:  DebugLevel          - Requested debug print level
+ *              ProcName            - Caller's procedure name
+ *              ModuleName          - Caller's module name (for error output)
+ *              LineNumber          - Caller's line number (for error output)
+ *              ComponentId         - Caller's component ID (for error output)
+ *
+ *              Format              - Printf format field
+ *              ...                 - Optional printf arguments
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Print error message with prefix consisting of the module name,
+ *              line number, and component ID.
+ *
+ ****************************************************************************/
+
+void  ACPI_INTERNAL_VAR_XFACE
+AcpiUtDebugPrint (
+    UINT32                  RequestedDebugLevel,
+    UINT32                  LineNumber,
+    ACPI_DEBUG_PRINT_INFO   *DbgInfo,
+    char                    *Format,
+    ...)
+{
+    UINT32                  ThreadId;
+    va_list                 args;
+
+
+    /*
+     * Stay silent if the debug level or component ID is disabled
+     */
+    if (!(RequestedDebugLevel & AcpiDbgLevel) ||
+        !(DbgInfo->ComponentId & AcpiDbgLayer))
+    {
+        return;
+    }
+
+    /*
+     * Thread tracking and context switch notification
+     */
+    ThreadId = AcpiOsGetThreadId ();
+
+    if (ThreadId != AcpiGbl_PrevThreadId)
+    {
+        if (ACPI_LV_THREADS & AcpiDbgLevel)
+        {
+            AcpiOsPrintf ("\n**** Context Switch from TID %X to TID %X ****\n\n",
+                AcpiGbl_PrevThreadId, ThreadId);
+        }
+
+        AcpiGbl_PrevThreadId = ThreadId;
+    }
+
+    /*
+     * Display the module name, current line number, thread ID (if requested),
+     * current procedure nesting level, and the current procedure name
+     */
+    AcpiOsPrintf ("%8s-%04ld ", DbgInfo->ModuleName, LineNumber);
+
+    if (ACPI_LV_THREADS & AcpiDbgLevel)
+    {
+        AcpiOsPrintf ("[%04lX] ", ThreadId);
+    }
+
+    AcpiOsPrintf ("[%02ld] %-22.22s: ", AcpiGbl_NestingLevel, DbgInfo->ProcName);
+
+    va_start (args, Format);
+    AcpiOsVprintf (Format, args);
+}
+
+
+/*****************************************************************************
+ *
+ * FUNCTION:    AcpiUtDebugPrintRaw
+ *
+ * PARAMETERS:  RequestedDebugLevel - Requested debug print level
+ *              LineNumber          - Caller's line number
+ *              DbgInfo             - Contains:
+ *                  ProcName            - Caller's procedure name
+ *                  ModuleName          - Caller's module name
+ *                  ComponentId         - Caller's component ID
+ *              Format              - Printf format field
+ *              ...                 - Optional printf arguments
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Print message with no headers.  Has same interface as
+ *              DebugPrint so that the same macros can be used.
+ *
+ ****************************************************************************/
+
+void  ACPI_INTERNAL_VAR_XFACE
+AcpiUtDebugPrintRaw (
+    UINT32                  RequestedDebugLevel,
+    UINT32                  LineNumber,
+    ACPI_DEBUG_PRINT_INFO   *DbgInfo,
+    char                    *Format,
+    ...)
+{
+    va_list                 args;
+
+
+    if (!(RequestedDebugLevel & AcpiDbgLevel) ||
+        !(DbgInfo->ComponentId & AcpiDbgLayer))
+    {
+        return;
+    }
+
+    va_start (args, Format);
+    AcpiOsVprintf (Format, args);
+}
+
+
+/*****************************************************************************
+ *
+ * FUNCTION:    AcpiUtTrace
+ *
+ * PARAMETERS:  LineNumber          - Caller's line number
+ *              DbgInfo             - Contains:
+ *                  ProcName            - Caller's procedure name
+ *                  ModuleName          - Caller's module name
+ *                  ComponentId         - Caller's component ID
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Function entry trace.  Prints only if TRACE_FUNCTIONS bit is
+ *              set in DebugLevel
+ *
+ ****************************************************************************/
+
+void
+AcpiUtTrace (
+    UINT32                  LineNumber,
+    ACPI_DEBUG_PRINT_INFO   *DbgInfo)
+{
+
+    AcpiGbl_NestingLevel++;
+    AcpiUtTrackStackPtr ();
+
+    AcpiUtDebugPrint (ACPI_LV_FUNCTIONS, LineNumber, DbgInfo,
+            "%s\n", AcpiGbl_FnEntryStr);
+}
+
+
+/*****************************************************************************
+ *
+ * FUNCTION:    AcpiUtTracePtr
+ *
+ * PARAMETERS:  LineNumber          - Caller's line number
+ *              DbgInfo             - Contains:
+ *                  ProcName            - Caller's procedure name
+ *                  ModuleName          - Caller's module name
+ *                  ComponentId         - Caller's component ID
+ *              Pointer             - Pointer to display
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Function entry trace.  Prints only if TRACE_FUNCTIONS bit is
+ *              set in DebugLevel
+ *
+ ****************************************************************************/
+
+void
+AcpiUtTracePtr (
+    UINT32                  LineNumber,
+    ACPI_DEBUG_PRINT_INFO   *DbgInfo,
+    void                    *Pointer)
+{
+    AcpiGbl_NestingLevel++;
+    AcpiUtTrackStackPtr ();
+
+    AcpiUtDebugPrint (ACPI_LV_FUNCTIONS, LineNumber, DbgInfo,
+            "%s %p\n", AcpiGbl_FnEntryStr, Pointer);
+}
+
+
+/*****************************************************************************
+ *
+ * FUNCTION:    AcpiUtTraceStr
+ *
+ * PARAMETERS:  LineNumber          - Caller's line number
+ *              DbgInfo             - Contains:
+ *                  ProcName            - Caller's procedure name
+ *                  ModuleName          - Caller's module name
+ *                  ComponentId         - Caller's component ID
+ *              String              - Additional string to display
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Function entry trace.  Prints only if TRACE_FUNCTIONS bit is
+ *              set in DebugLevel
+ *
+ ****************************************************************************/
+
+void
+AcpiUtTraceStr (
+    UINT32                  LineNumber,
+    ACPI_DEBUG_PRINT_INFO   *DbgInfo,
+    NATIVE_CHAR             *String)
+{
+
+    AcpiGbl_NestingLevel++;
+    AcpiUtTrackStackPtr ();
+
+    AcpiUtDebugPrint (ACPI_LV_FUNCTIONS, LineNumber, DbgInfo,
+            "%s %s\n", AcpiGbl_FnEntryStr, String);
+}
+
+
+/*****************************************************************************
+ *
+ * FUNCTION:    AcpiUtTraceU32
+ *
+ * PARAMETERS:  LineNumber          - Caller's line number
+ *              DbgInfo             - Contains:
+ *                  ProcName            - Caller's procedure name
+ *                  ModuleName          - Caller's module name
+ *                  ComponentId         - Caller's component ID
+ *              Integer             - Integer to display
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Function entry trace.  Prints only if TRACE_FUNCTIONS bit is
+ *              set in DebugLevel
+ *
+ ****************************************************************************/
+
+void
+AcpiUtTraceU32 (
+    UINT32                  LineNumber,
+    ACPI_DEBUG_PRINT_INFO   *DbgInfo,
+    UINT32                  Integer)
+{
+
+    AcpiGbl_NestingLevel++;
+    AcpiUtTrackStackPtr ();
+
+    AcpiUtDebugPrint (ACPI_LV_FUNCTIONS, LineNumber, DbgInfo,
+            "%s %08X\n", AcpiGbl_FnEntryStr, Integer);
+}
+
+
+/*****************************************************************************
+ *
+ * FUNCTION:    AcpiUtExit
+ *
+ * PARAMETERS:  LineNumber          - Caller's line number
+ *              DbgInfo             - Contains:
+ *                  ProcName            - Caller's procedure name
+ *                  ModuleName          - Caller's module name
+ *                  ComponentId         - Caller's component ID
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Function exit trace.  Prints only if TRACE_FUNCTIONS bit is
+ *              set in DebugLevel
+ *
+ ****************************************************************************/
+
+void
+AcpiUtExit (
+    UINT32                  LineNumber,
+    ACPI_DEBUG_PRINT_INFO   *DbgInfo)
+{
+
+    AcpiUtDebugPrint (ACPI_LV_FUNCTIONS, LineNumber, DbgInfo,
+            "%s\n", AcpiGbl_FnExitStr);
+
+    AcpiGbl_NestingLevel--;
+}
+
+
+/*****************************************************************************
+ *
+ * FUNCTION:    AcpiUtStatusExit
+ *
+ * PARAMETERS:  LineNumber          - Caller's line number
+ *              DbgInfo             - Contains:
+ *                  ProcName            - Caller's procedure name
+ *                  ModuleName          - Caller's module name
+ *                  ComponentId         - Caller's component ID
+ *              Status              - Exit status code
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Function exit trace.  Prints only if TRACE_FUNCTIONS bit is
+ *              set in DebugLevel.  Prints exit status also.
+ *
+ ****************************************************************************/
+
+void
+AcpiUtStatusExit (
+    UINT32                  LineNumber,
+    ACPI_DEBUG_PRINT_INFO   *DbgInfo,
+    ACPI_STATUS             Status)
+{
+
+    if (ACPI_SUCCESS (Status))
+    {
+        AcpiUtDebugPrint (ACPI_LV_FUNCTIONS, LineNumber, DbgInfo,
+                "%s %s\n", AcpiGbl_FnExitStr,
+                AcpiFormatException (Status));
+    }
+    else
+    {
+        AcpiUtDebugPrint (ACPI_LV_FUNCTIONS, LineNumber, DbgInfo,
+                "%s ****Exception****: %s\n", AcpiGbl_FnExitStr,
+                AcpiFormatException (Status));
+    }
+
+    AcpiGbl_NestingLevel--;
+}
+
+
+/*****************************************************************************
+ *
+ * FUNCTION:    AcpiUtValueExit
+ *
+ * PARAMETERS:  LineNumber          - Caller's line number
+ *              DbgInfo             - Contains:
+ *                  ProcName            - Caller's procedure name
+ *                  ModuleName          - Caller's module name
+ *                  ComponentId         - Caller's component ID
+ *              Value               - Value to be printed with exit msg
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Function exit trace.  Prints only if TRACE_FUNCTIONS bit is
+ *              set in DebugLevel.  Prints exit value also.
+ *
+ ****************************************************************************/
+
+void
+AcpiUtValueExit (
+    UINT32                  LineNumber,
+    ACPI_DEBUG_PRINT_INFO   *DbgInfo,
+    ACPI_INTEGER            Value)
+{
+
+    AcpiUtDebugPrint (ACPI_LV_FUNCTIONS, LineNumber, DbgInfo,
+            "%s %8.8X%8.8X\n", AcpiGbl_FnExitStr,
+            ACPI_HIDWORD (Value), ACPI_LODWORD (Value));
+
+    AcpiGbl_NestingLevel--;
+}
+
+
+/*****************************************************************************
+ *
+ * FUNCTION:    AcpiUtPtrExit
+ *
+ * PARAMETERS:  LineNumber          - Caller's line number
+ *              DbgInfo             - Contains:
+ *                  ProcName            - Caller's procedure name
+ *                  ModuleName          - Caller's module name
+ *                  ComponentId         - Caller's component ID
+ *              Value               - Value to be printed with exit msg
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Function exit trace.  Prints only if TRACE_FUNCTIONS bit is
+ *              set in DebugLevel.  Prints exit value also.
+ *
+ ****************************************************************************/
+
+void
+AcpiUtPtrExit (
+    UINT32                  LineNumber,
+    ACPI_DEBUG_PRINT_INFO   *DbgInfo,
+    UINT8                   *Ptr)
+{
+
+    AcpiUtDebugPrint (ACPI_LV_FUNCTIONS, LineNumber, DbgInfo,
+            "%s %p\n", AcpiGbl_FnExitStr, Ptr);
+
+    AcpiGbl_NestingLevel--;
+}
+
+#endif
+
+
+/*****************************************************************************
+ *
+ * FUNCTION:    AcpiUtDumpBuffer
+ *
+ * PARAMETERS:  Buffer              - Buffer to dump
+ *              Count               - Amount to dump, in bytes
+ *              Display             - BYTE, WORD, DWORD, or QWORD display
+ *              ComponentID         - Caller's component ID
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Generic dump buffer in both hex and ascii.
+ *
+ ****************************************************************************/
+
+void
+AcpiUtDumpBuffer (
+    UINT8                   *Buffer,
+    UINT32                  Count,
+    UINT32                  Display,
+    UINT32                  ComponentId)
+{
+    NATIVE_UINT             i = 0;
+    NATIVE_UINT             j;
+    UINT32                  Temp32;
+    UINT8                   BufChar;
+
+
+    /* Only dump the buffer if tracing is enabled */
+
+    if (!((ACPI_LV_TABLES & AcpiDbgLevel) &&
+        (ComponentId & AcpiDbgLayer)))
+    {
+        return;
+    }
+
+    if ((Count < 4) || (Count & 0x01))
+    {
+        Display = DB_BYTE_DISPLAY;
+    }
+
+    AcpiOsPrintf ("\nOffset   Value\n");
+
+    /*
+     * Nasty little dump buffer routine!
+     */
+    while (i < Count)
+    {
+        /* Print current offset */
+
+        AcpiOsPrintf ("%05X    ", (UINT32) i);
+
+        /* Print 16 hex chars */
+
+        for (j = 0; j < 16;)
+        {
+            if (i + j >= Count)
+            {
+                AcpiOsPrintf ("\n");
+                return;
+            }
+
+            /* Make sure that the INT8 doesn't get sign-extended! */
+
+            switch (Display)
+            {
+            /* Default is BYTE display */
+
+            default:
+
+                AcpiOsPrintf ("%02X ",
+                        *((UINT8 *) &Buffer[i + j]));
+                j += 1;
+                break;
+
+
+            case DB_WORD_DISPLAY:
+
+                ACPI_MOVE_UNALIGNED16_TO_32 (&Temp32,
+                                             &Buffer[i + j]);
+                AcpiOsPrintf ("%04X ", Temp32);
+                j += 2;
+                break;
+
+
+            case DB_DWORD_DISPLAY:
+
+                ACPI_MOVE_UNALIGNED32_TO_32 (&Temp32,
+                                             &Buffer[i + j]);
+                AcpiOsPrintf ("%08X ", Temp32);
+                j += 4;
+                break;
+
+
+            case DB_QWORD_DISPLAY:
+
+                ACPI_MOVE_UNALIGNED32_TO_32 (&Temp32,
+                                             &Buffer[i + j]);
+                AcpiOsPrintf ("%08X", Temp32);
+
+                ACPI_MOVE_UNALIGNED32_TO_32 (&Temp32,
+                                             &Buffer[i + j + 4]);
+                AcpiOsPrintf ("%08X ", Temp32);
+                j += 8;
+                break;
+            }
+        }
+
+        /*
+         * Print the ASCII equivalent characters
+         * But watch out for the bad unprintable ones...
+         */
+        for (j = 0; j < 16; j++)
+        {
+            if (i + j >= Count)
+            {
+                AcpiOsPrintf ("\n");
+                return;
+            }
+
+            BufChar = Buffer[i + j];
+            if ((BufChar > 0x1F && BufChar < 0x2E) ||
+                (BufChar > 0x2F && BufChar < 0x61) ||
+                (BufChar > 0x60 && BufChar < 0x7F))
+            {
+                AcpiOsPrintf ("%c", BufChar);
+            }
+            else
+            {
+                AcpiOsPrintf (".");
+            }
+        }
+
+        /* Done with that line. */
+
+        AcpiOsPrintf ("\n");
+        i += 16;
+    }
+
+    return;
+}
+
diff --git a/sys/contrib/dev/acpica/utdelete.c b/sys/contrib/dev/acpica/utdelete.c
new file mode 100644
index 0000000..40d58ba
--- /dev/null
+++ b/sys/contrib/dev/acpica/utdelete.c
@@ -0,0 +1,749 @@
+/*******************************************************************************
+ *
+ * Module Name: utdelete - object deletion and reference count utilities
+ *              $Revision: 92 $
+ *
+ ******************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+#define __UTDELETE_C__
+
+#include "acpi.h"
+#include "acinterp.h"
+#include "acnamesp.h"
+
+#define _COMPONENT          ACPI_UTILITIES
+        ACPI_MODULE_NAME    ("utdelete")
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtDeleteInternalObj
+ *
+ * PARAMETERS:  *Object        - Pointer to the list to be deleted
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Low level object deletion, after reference counts have been
+ *              updated (All reference counts, including sub-objects!)
+ *
+ ******************************************************************************/
+
+void
+AcpiUtDeleteInternalObj (
+    ACPI_OPERAND_OBJECT     *Object)
+{
+    void                    *ObjPointer = NULL;
+    ACPI_OPERAND_OBJECT     *HandlerDesc;
+    ACPI_OPERAND_OBJECT     *SecondDesc;
+
+
+    ACPI_FUNCTION_TRACE_PTR ("UtDeleteInternalObj", Object);
+
+
+    if (!Object)
+    {
+        return_VOID;
+    }
+
+    /*
+     * Must delete or free any pointers within the object that are not
+     * actual ACPI objects (for example, a raw buffer pointer).
+     */
+    switch (ACPI_GET_OBJECT_TYPE (Object))
+    {
+    case ACPI_TYPE_STRING:
+
+        ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, "**** String %p, ptr %p\n",
+            Object, Object->String.Pointer));
+
+        /* Free the actual string buffer */
+
+        if (!(Object->Common.Flags & AOPOBJ_STATIC_POINTER))
+        {
+            ObjPointer = Object->String.Pointer;
+        }
+        break;
+
+
+    case ACPI_TYPE_BUFFER:
+
+        ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, "**** Buffer %p, ptr %p\n",
+            Object, Object->Buffer.Pointer));
+
+        /* Free the actual buffer */
+
+        ObjPointer = Object->Buffer.Pointer;
+        break;
+
+
+    case ACPI_TYPE_PACKAGE:
+
+        ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, " **** Package of count %X\n",
+            Object->Package.Count));
+
+        /*
+         * Elements of the package are not handled here, they are deleted
+         * separately
+         */
+
+        /* Free the (variable length) element pointer array */
+
+        ObjPointer = Object->Package.Elements;
+        break;
+
+
+    case ACPI_TYPE_MUTEX:
+
+        ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, "***** Mutex %p, Semaphore %p\n",
+            Object, Object->Mutex.Semaphore));
+
+        AcpiExUnlinkMutex (Object);
+        (void) AcpiOsDeleteSemaphore (Object->Mutex.Semaphore);
+        break;
+
+
+    case ACPI_TYPE_EVENT:
+
+        ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, "***** Event %p, Semaphore %p\n",
+            Object, Object->Event.Semaphore));
+
+        (void) AcpiOsDeleteSemaphore (Object->Event.Semaphore);
+        Object->Event.Semaphore = NULL;
+        break;
+
+
+    case ACPI_TYPE_METHOD:
+
+        ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, "***** Method %p\n", Object));
+
+        /* Delete the method semaphore if it exists */
+
+        if (Object->Method.Semaphore)
+        {
+            (void) AcpiOsDeleteSemaphore (Object->Method.Semaphore);
+            Object->Method.Semaphore = NULL;
+        }
+        break;
+
+
+    case ACPI_TYPE_REGION:
+
+        ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, "***** Region %p\n", Object));
+
+        SecondDesc = AcpiNsGetSecondaryObject (Object);
+        if (SecondDesc)
+        {
+            /*
+             * Free the RegionContext if and only if the handler is one of the
+             * default handlers -- and therefore, we created the context object
+             * locally, it was not created by an external caller.
+             */
+            HandlerDesc = Object->Region.AddrHandler;
+            if ((HandlerDesc) &&
+                (HandlerDesc->AddrHandler.Hflags == ACPI_ADDR_HANDLER_DEFAULT_INSTALLED))
+            {
+                ObjPointer = SecondDesc->Extra.RegionContext;
+            }
+
+            /* Now we can free the Extra object */
+
+            AcpiUtDeleteObjectDesc (SecondDesc);
+        }
+        break;
+
+
+    case ACPI_TYPE_BUFFER_FIELD:
+
+        ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, "***** Buffer Field %p\n", Object));
+
+        SecondDesc = AcpiNsGetSecondaryObject (Object);
+        if (SecondDesc)
+        {
+            AcpiUtDeleteObjectDesc (SecondDesc);
+        }
+        break;
+
+
+    default:
+        break;
+    }
+
+
+    /* Free any allocated memory (pointer within the object) found above */
+
+    if (ObjPointer)
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, "Deleting Object Subptr %p\n",
+                ObjPointer));
+        ACPI_MEM_FREE (ObjPointer);
+    }
+
+    /* Now the object can be safely deleted */
+
+    ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, "Deleting Object %p [%s]\n",
+            Object, AcpiUtGetObjectTypeName (Object)));
+
+    AcpiUtDeleteObjectDesc (Object);
+    return_VOID;
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtDeleteInternalObjectList
+ *
+ * PARAMETERS:  *ObjList        - Pointer to the list to be deleted
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: This function deletes an internal object list, including both
+ *              simple objects and package objects
+ *
+ ******************************************************************************/
+
+void
+AcpiUtDeleteInternalObjectList (
+    ACPI_OPERAND_OBJECT     **ObjList)
+{
+    ACPI_OPERAND_OBJECT     **InternalObj;
+
+
+    ACPI_FUNCTION_TRACE ("UtDeleteInternalObjectList");
+
+
+    /* Walk the null-terminated internal list */
+
+    for (InternalObj = ObjList; *InternalObj; InternalObj++)
+    {
+        AcpiUtRemoveReference (*InternalObj);
+    }
+
+    /* Free the combined parameter pointer list and object array */
+
+    ACPI_MEM_FREE (ObjList);
+    return_VOID;
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtUpdateRefCount
+ *
+ * PARAMETERS:  *Object         - Object whose ref count is to be updated
+ *              Action          - What to do
+ *
+ * RETURN:      New ref count
+ *
+ * DESCRIPTION: Modify the ref count and return it.
+ *
+ ******************************************************************************/
+
+static void
+AcpiUtUpdateRefCount (
+    ACPI_OPERAND_OBJECT     *Object,
+    UINT32                  Action)
+{
+    UINT16                  Count;
+    UINT16                  NewCount;
+
+
+    ACPI_FUNCTION_NAME ("UtUpdateRefCount");
+
+
+    if (!Object)
+    {
+        return;
+    }
+
+    Count = Object->Common.ReferenceCount;
+    NewCount = Count;
+
+    /*
+     * Reference count action (increment, decrement, or force delete)
+     */
+    switch (Action)
+    {
+
+    case REF_INCREMENT:
+
+        NewCount++;
+        Object->Common.ReferenceCount = NewCount;
+
+        ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, "Obj %p Refs=%X, [Incremented]\n",
+            Object, NewCount));
+        break;
+
+
+    case REF_DECREMENT:
+
+        if (Count < 1)
+        {
+            ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, "Obj %p Refs=%X, can't decrement! (Set to 0)\n",
+                Object, NewCount));
+
+            NewCount = 0;
+        }
+        else
+        {
+            NewCount--;
+
+            ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, "Obj %p Refs=%X, [Decremented]\n",
+                Object, NewCount));
+        }
+
+        if (ACPI_GET_OBJECT_TYPE (Object) == ACPI_TYPE_METHOD)
+        {
+            ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, "Method Obj %p Refs=%X, [Decremented]\n",
+                Object, NewCount));
+        }
+
+        Object->Common.ReferenceCount = NewCount;
+        if (NewCount == 0)
+        {
+            AcpiUtDeleteInternalObj (Object);
+        }
+
+        break;
+
+
+    case REF_FORCE_DELETE:
+
+        ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, "Obj %p Refs=%X, Force delete! (Set to 0)\n",
+            Object, Count));
+
+        NewCount = 0;
+        Object->Common.ReferenceCount = NewCount;
+        AcpiUtDeleteInternalObj (Object);
+        break;
+
+
+    default:
+
+        ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Unknown action (%X)\n", Action));
+        break;
+    }
+
+    /*
+     * Sanity check the reference count, for debug purposes only.
+     * (A deleted object will have a huge reference count)
+     */
+    if (Count > MAX_REFERENCE_COUNT)
+    {
+
+        ACPI_DEBUG_PRINT ((ACPI_DB_WARN,
+            "**** Warning **** Large Reference Count (%X) in object %p\n\n",
+            Count, Object));
+    }
+
+    return;
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtUpdateObjectReference
+ *
+ * PARAMETERS:  *Object             - Increment ref count for this object
+ *                                    and all sub-objects
+ *              Action              - Either REF_INCREMENT or REF_DECREMENT or
+ *                                    REF_FORCE_DELETE
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Increment the object reference count
+ *
+ * Object references are incremented when:
+ * 1) An object is attached to a Node (namespace object)
+ * 2) An object is copied (all subobjects must be incremented)
+ *
+ * Object references are decremented when:
+ * 1) An object is detached from an Node
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiUtUpdateObjectReference (
+    ACPI_OPERAND_OBJECT     *Object,
+    UINT16                  Action)
+{
+    ACPI_STATUS             Status;
+    UINT32                  i;
+    ACPI_OPERAND_OBJECT     *Next;
+    ACPI_OPERAND_OBJECT     *New;
+    ACPI_GENERIC_STATE       *StateList = NULL;
+    ACPI_GENERIC_STATE       *State;
+
+
+    ACPI_FUNCTION_TRACE_PTR ("UtUpdateObjectReference", Object);
+
+
+    /* Ignore a null object ptr */
+
+    if (!Object)
+    {
+        return_ACPI_STATUS (AE_OK);
+    }
+
+    /*
+     * Make sure that this isn't a namespace handle
+     */
+    if (ACPI_GET_DESCRIPTOR_TYPE (Object) == ACPI_DESC_TYPE_NAMED)
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, "Object %p is NS handle\n", Object));
+        return_ACPI_STATUS (AE_OK);
+    }
+
+    State = AcpiUtCreateUpdateState (Object, Action);
+
+    while (State)
+    {
+        Object = State->Update.Object;
+        Action = State->Update.Value;
+        AcpiUtDeleteGenericState (State);
+
+        /*
+         * All sub-objects must have their reference count incremented also.
+         * Different object types have different subobjects.
+         */
+        switch (ACPI_GET_OBJECT_TYPE (Object))
+        {
+        case ACPI_TYPE_DEVICE:
+
+            Status = AcpiUtCreateUpdateStateAndPush (Object->Device.AddrHandler,
+                                                     Action, &StateList);
+            if (ACPI_FAILURE (Status))
+            {
+                goto ErrorExit;
+            }
+
+            AcpiUtUpdateRefCount (Object->Device.SysHandler, Action);
+            AcpiUtUpdateRefCount (Object->Device.DrvHandler, Action);
+            break;
+
+
+        case ACPI_TYPE_LOCAL_ADDRESS_HANDLER:
+
+            /* Must walk list of address handlers */
+
+            Next = Object->AddrHandler.Next;
+            while (Next)
+            {
+                New = Next->AddrHandler.Next;
+                AcpiUtUpdateRefCount (Next, Action);
+
+                Next = New;
+            }
+            break;
+
+
+        case ACPI_TYPE_PACKAGE:
+
+            /*
+             * We must update all the sub-objects of the package
+             * (Each of whom may have their own sub-objects, etc.
+             */
+            for (i = 0; i < Object->Package.Count; i++)
+            {
+                /*
+                 * Push each element onto the stack for later processing.
+                 * Note: There can be null elements within the package,
+                 * these are simply ignored
+                 */
+                Status = AcpiUtCreateUpdateStateAndPush (
+                            Object->Package.Elements[i], Action, &StateList);
+                if (ACPI_FAILURE (Status))
+                {
+                    goto ErrorExit;
+                }
+            }
+            break;
+
+
+        case ACPI_TYPE_BUFFER_FIELD:
+
+            Status = AcpiUtCreateUpdateStateAndPush (
+                        Object->BufferField.BufferObj, Action, &StateList);
+            if (ACPI_FAILURE (Status))
+            {
+                goto ErrorExit;
+            }
+            break;
+
+
+        case ACPI_TYPE_LOCAL_REGION_FIELD:
+
+            Status = AcpiUtCreateUpdateStateAndPush (
+                        Object->Field.RegionObj, Action, &StateList);
+            if (ACPI_FAILURE (Status))
+            {
+                goto ErrorExit;
+            }
+           break;
+
+
+        case ACPI_TYPE_LOCAL_BANK_FIELD:
+
+            Status = AcpiUtCreateUpdateStateAndPush (
+                        Object->BankField.BankObj, Action, &StateList);
+            if (ACPI_FAILURE (Status))
+            {
+                goto ErrorExit;
+            }
+
+            Status = AcpiUtCreateUpdateStateAndPush (
+                        Object->BankField.RegionObj, Action, &StateList);
+            if (ACPI_FAILURE (Status))
+            {
+                goto ErrorExit;
+            }
+            break;
+
+
+        case ACPI_TYPE_LOCAL_INDEX_FIELD:
+
+            Status = AcpiUtCreateUpdateStateAndPush (
+                        Object->IndexField.IndexObj, Action, &StateList);
+            if (ACPI_FAILURE (Status))
+            {
+                goto ErrorExit;
+            }
+
+            Status = AcpiUtCreateUpdateStateAndPush (
+                        Object->IndexField.DataObj, Action, &StateList);
+            if (ACPI_FAILURE (Status))
+            {
+                goto ErrorExit;
+            }
+            break;
+
+
+        case ACPI_TYPE_REGION:
+        case ACPI_TYPE_LOCAL_REFERENCE:
+        default:
+
+            /* No subobjects */
+            break;
+        }
+
+        /*
+         * Now we can update the count in the main object.  This can only
+         * happen after we update the sub-objects in case this causes the
+         * main object to be deleted.
+         */
+        AcpiUtUpdateRefCount (Object, Action);
+
+        /* Move on to the next object to be updated */
+
+        State = AcpiUtPopGenericState (&StateList);
+    }
+
+    return_ACPI_STATUS (AE_OK);
+
+
+ErrorExit:
+
+    ACPI_REPORT_ERROR (("Could not update object reference count, %s\n",
+        AcpiFormatException (Status)));
+
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtAddReference
+ *
+ * PARAMETERS:  *Object        - Object whose reference count is to be
+ *                                  incremented
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Add one reference to an ACPI object
+ *
+ ******************************************************************************/
+
+void
+AcpiUtAddReference (
+    ACPI_OPERAND_OBJECT     *Object)
+{
+
+    ACPI_FUNCTION_TRACE_PTR ("UtAddReference", Object);
+
+
+    /*
+     * Ensure that we have a valid object
+     */
+    if (!AcpiUtValidInternalObject (Object))
+    {
+        return_VOID;
+    }
+
+    /*
+     * We have a valid ACPI internal object, now increment the reference count
+     */
+    (void) AcpiUtUpdateObjectReference  (Object, REF_INCREMENT);
+    return_VOID;
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtRemoveReference
+ *
+ * PARAMETERS:  *Object        - Object whose ref count will be decremented
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Decrement the reference count of an ACPI internal object
+ *
+ ******************************************************************************/
+
+void
+AcpiUtRemoveReference (
+    ACPI_OPERAND_OBJECT     *Object)
+{
+
+    ACPI_FUNCTION_TRACE_PTR ("UtRemoveReference", Object);
+
+    /*
+     * Allow a NULL pointer to be passed in, just ignore it.  This saves
+     * each caller from having to check.  Also, ignore NS nodes.
+     *
+     */
+    if (!Object ||
+        (ACPI_GET_DESCRIPTOR_TYPE (Object) == ACPI_DESC_TYPE_NAMED))
+
+    {
+        return_VOID;
+    }
+
+    /*
+     * Ensure that we have a valid object
+     */
+    if (!AcpiUtValidInternalObject (Object))
+    {
+        return_VOID;
+    }
+
+    ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, "Obj %p Refs=%X\n",
+            Object, Object->Common.ReferenceCount));
+
+    /*
+     * Decrement the reference count, and only actually delete the object
+     * if the reference count becomes 0.  (Must also decrement the ref count
+     * of all subobjects!)
+     */
+    (void) AcpiUtUpdateObjectReference  (Object, REF_DECREMENT);
+    return_VOID;
+}
+
+
diff --git a/sys/contrib/dev/acpica/uteval.c b/sys/contrib/dev/acpica/uteval.c
new file mode 100644
index 0000000..aaca246
--- /dev/null
+++ b/sys/contrib/dev/acpica/uteval.c
@@ -0,0 +1,581 @@
+/******************************************************************************
+ *
+ * Module Name: uteval - Object evaluation
+ *              $Revision: 41 $
+ *
+ *****************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+#define __UTEVAL_C__
+
+#include "acpi.h"
+#include "acnamesp.h"
+#include "acinterp.h"
+
+
+#define _COMPONENT          ACPI_UTILITIES
+        ACPI_MODULE_NAME    ("uteval")
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtEvaluateNumericObject
+ *
+ * PARAMETERS:  *ObjectName         - Object name to be evaluated
+ *              DeviceNode          - Node for the device
+ *              *Address            - Where the value is returned
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: evaluates a numeric namespace object for a selected device
+ *              and stores results in *Address.
+ *
+ *              NOTE: Internal function, no parameter validation
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiUtEvaluateNumericObject (
+    NATIVE_CHAR             *ObjectName,
+    ACPI_NAMESPACE_NODE     *DeviceNode,
+    ACPI_INTEGER            *Address)
+{
+    ACPI_OPERAND_OBJECT     *ObjDesc;
+    ACPI_STATUS             Status;
+
+
+    ACPI_FUNCTION_TRACE ("UtEvaluateNumericObject");
+
+
+    /* Execute the method */
+
+    Status = AcpiNsEvaluateRelative (DeviceNode, ObjectName, NULL, &ObjDesc);
+    if (ACPI_FAILURE (Status))
+    {
+        if (Status == AE_NOT_FOUND)
+        {
+            ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "%s on %4.4s was not found\n",
+                ObjectName, DeviceNode->Name.Ascii));
+        }
+        else
+        {
+            ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "%s on %4.4s failed with status %s\n",
+                ObjectName, DeviceNode->Name.Ascii,
+                AcpiFormatException (Status)));
+        }
+
+        return_ACPI_STATUS (Status);
+    }
+
+
+    /* Did we get a return object? */
+
+    if (!ObjDesc)
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "No object was returned from %s\n",
+            ObjectName));
+        return_ACPI_STATUS (AE_TYPE);
+    }
+
+    /* Is the return object of the correct type? */
+
+    if (ACPI_GET_OBJECT_TYPE (ObjDesc) != ACPI_TYPE_INTEGER)
+    {
+        Status = AE_TYPE;
+        ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+            "Type returned from %s was not an Integer: %X \n",
+            ObjectName, ACPI_GET_OBJECT_TYPE (ObjDesc)));
+    }
+    else
+    {
+        /*
+         * Since the structure is a union, setting any field will set all
+         * of the variables in the union
+         */
+        *Address = ObjDesc->Integer.Value;
+    }
+
+    /* On exit, we must delete the return object */
+
+    AcpiUtRemoveReference (ObjDesc);
+
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtExecute_HID
+ *
+ * PARAMETERS:  DeviceNode          - Node for the device
+ *              *Hid                - Where the HID is returned
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Executes the _HID control method that returns the hardware
+ *              ID of the device.
+ *
+ *              NOTE: Internal function, no parameter validation
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiUtExecute_HID (
+    ACPI_NAMESPACE_NODE     *DeviceNode,
+    ACPI_DEVICE_ID          *Hid)
+{
+    ACPI_OPERAND_OBJECT     *ObjDesc;
+    ACPI_STATUS             Status;
+
+
+    ACPI_FUNCTION_TRACE ("UtExecute_HID");
+
+
+    /* Execute the method */
+
+    Status = AcpiNsEvaluateRelative (DeviceNode,
+                                     METHOD_NAME__HID, NULL, &ObjDesc);
+    if (ACPI_FAILURE (Status))
+    {
+        if (Status == AE_NOT_FOUND)
+        {
+            ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "_HID on %4.4s was not found\n",
+                DeviceNode->Name.Ascii));
+        }
+        else
+        {
+            ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "_HID on %4.4s failed %s\n",
+                DeviceNode->Name.Ascii, AcpiFormatException (Status)));
+        }
+
+        return_ACPI_STATUS (Status);
+    }
+
+    /* Did we get a return object? */
+
+    if (!ObjDesc)
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "No object was returned from _HID\n"));
+        return_ACPI_STATUS (AE_TYPE);
+    }
+
+    /*
+     *  A _HID can return either a Number (32 bit compressed EISA ID) or
+     *  a string
+     */
+    if ((ACPI_GET_OBJECT_TYPE (ObjDesc) != ACPI_TYPE_INTEGER) &&
+        (ACPI_GET_OBJECT_TYPE (ObjDesc) != ACPI_TYPE_STRING))
+    {
+        Status = AE_TYPE;
+        ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+            "Type returned from _HID not a number or string: %s(%X) \n",
+            AcpiUtGetObjectTypeName (ObjDesc),
+            ACPI_GET_OBJECT_TYPE (ObjDesc)));
+    }
+    else
+    {
+        if (ACPI_GET_OBJECT_TYPE (ObjDesc) == ACPI_TYPE_INTEGER)
+        {
+            /* Convert the Numeric HID to string */
+
+            AcpiExEisaIdToString ((UINT32) ObjDesc->Integer.Value, Hid->Buffer);
+        }
+        else
+        {
+            /* Copy the String HID from the returned object */
+
+            ACPI_STRNCPY (Hid->Buffer, ObjDesc->String.Pointer, sizeof(Hid->Buffer));
+        }
+    }
+
+    /* On exit, we must delete the return object */
+
+    AcpiUtRemoveReference (ObjDesc);
+
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtExecute_CID
+ *
+ * PARAMETERS:  DeviceNode          - Node for the device
+ *              *Cid                - Where the CID is returned
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Executes the _CID control method that returns one or more
+ *              compatible hardware IDs for the device.
+ *
+ *              NOTE: Internal function, no parameter validation
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiUtExecute_CID (
+    ACPI_NAMESPACE_NODE     *DeviceNode,
+    ACPI_DEVICE_ID          *Cid)
+{
+    ACPI_OPERAND_OBJECT     *ObjDesc;
+    ACPI_STATUS             Status;
+
+
+    ACPI_FUNCTION_TRACE ("UtExecute_CID");
+
+    /* Execute the method */
+
+    Status = AcpiNsEvaluateRelative (DeviceNode,
+                                     METHOD_NAME__CID, NULL, &ObjDesc);
+    if (ACPI_FAILURE (Status))
+    {
+        if (Status == AE_NOT_FOUND)
+        {
+            ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "_CID on %4.4s was not found\n",
+                DeviceNode->Name.Ascii));
+        }
+        else
+        {
+            ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "_CID on %4.4s failed %s\n",
+                DeviceNode->Name.Ascii, AcpiFormatException (Status)));
+        }
+
+        return_ACPI_STATUS (Status);
+    }
+
+    /* Did we get a return object? */
+
+    if (!ObjDesc)
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "No object was returned from _CID\n"));
+        return_ACPI_STATUS (AE_TYPE);
+    }
+
+    /*
+     *  A _CID can return either a single compatible ID or a package of compatible
+     *  IDs.  Each compatible ID can be a Number (32 bit compressed EISA ID) or
+     *  string (PCI ID format, e.g. "PCI\VEN_vvvv&DEV_dddd&SUBSYS_ssssssss").
+     */
+    switch (ACPI_GET_OBJECT_TYPE (ObjDesc))
+    {
+    case ACPI_TYPE_INTEGER:
+
+        /* Convert the Numeric CID to string */
+
+        AcpiExEisaIdToString ((UINT32) ObjDesc->Integer.Value, Cid->Buffer);
+        break;
+
+    case ACPI_TYPE_STRING:
+
+        /* Copy the String CID from the returned object */
+
+        ACPI_STRNCPY (Cid->Buffer, ObjDesc->String.Pointer, sizeof(Cid->Buffer));
+        break;
+
+    case ACPI_TYPE_PACKAGE:
+
+        /* TBD: Parse package elements; need different return struct, etc. */
+        break;
+
+    default:
+
+        Status = AE_TYPE;
+        ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+            "Type returned from _CID not a number, string, or package: %s(%X) \n",
+            AcpiUtGetObjectTypeName (ObjDesc),
+            ACPI_GET_OBJECT_TYPE (ObjDesc)));
+        break;
+    }
+
+    /* On exit, we must delete the return object */
+
+    AcpiUtRemoveReference (ObjDesc);
+
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtExecute_UID
+ *
+ * PARAMETERS:  DeviceNode          - Node for the device
+ *              *Uid                - Where the UID is returned
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Executes the _UID control method that returns the hardware
+ *              ID of the device.
+ *
+ *              NOTE: Internal function, no parameter validation
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiUtExecute_UID (
+    ACPI_NAMESPACE_NODE     *DeviceNode,
+    ACPI_DEVICE_ID          *Uid)
+{
+    ACPI_OPERAND_OBJECT     *ObjDesc;
+    ACPI_STATUS             Status;
+
+
+    ACPI_FUNCTION_NAME ("UtExecute_UID");
+
+
+    /* Execute the method */
+
+    Status = AcpiNsEvaluateRelative (DeviceNode,
+                                     METHOD_NAME__UID, NULL, &ObjDesc);
+    if (ACPI_FAILURE (Status))
+    {
+        if (Status == AE_NOT_FOUND)
+        {
+            ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "_UID on %4.4s was not found\n",
+                DeviceNode->Name.Ascii));
+        }
+        else
+        {
+            ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+                "_UID on %4.4s failed %s\n",
+                DeviceNode->Name.Ascii, AcpiFormatException (Status)));
+        }
+
+        return (Status);
+    }
+
+    /* Did we get a return object? */
+
+    if (!ObjDesc)
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "No object was returned from _UID\n"));
+        return (AE_TYPE);
+    }
+
+    /*
+     *  A _UID can return either a Number (32 bit compressed EISA ID) or
+     *  a string
+     */
+    if ((ACPI_GET_OBJECT_TYPE (ObjDesc) != ACPI_TYPE_INTEGER) &&
+        (ACPI_GET_OBJECT_TYPE (ObjDesc) != ACPI_TYPE_STRING))
+    {
+        Status = AE_TYPE;
+        ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+            "Type returned from _UID was not a number or string: %X \n",
+            ACPI_GET_OBJECT_TYPE (ObjDesc)));
+    }
+    else
+    {
+        if (ACPI_GET_OBJECT_TYPE (ObjDesc) == ACPI_TYPE_INTEGER)
+        {
+            /* Convert the Numeric UID to string */
+
+            AcpiExUnsignedIntegerToString (ObjDesc->Integer.Value, Uid->Buffer);
+        }
+        else
+        {
+            /* Copy the String UID from the returned object */
+
+            ACPI_STRNCPY (Uid->Buffer, ObjDesc->String.Pointer, sizeof(Uid->Buffer));
+        }
+    }
+
+
+    /* On exit, we must delete the return object */
+
+    AcpiUtRemoveReference (ObjDesc);
+
+    return (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtExecute_STA
+ *
+ * PARAMETERS:  DeviceNode          - Node for the device
+ *              *Flags              - Where the status flags are returned
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Executes _STA for selected device and stores results in
+ *              *Flags.
+ *
+ *              NOTE: Internal function, no parameter validation
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiUtExecute_STA (
+    ACPI_NAMESPACE_NODE     *DeviceNode,
+    UINT32                  *Flags)
+{
+    ACPI_OPERAND_OBJECT     *ObjDesc;
+    ACPI_STATUS             Status;
+
+
+    ACPI_FUNCTION_TRACE ("UtExecute_STA");
+
+
+    /* Execute the method */
+
+    Status = AcpiNsEvaluateRelative (DeviceNode,
+                                     METHOD_NAME__STA, NULL, &ObjDesc);
+    if (AE_NOT_FOUND == Status)
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
+            "_STA on %4.4s was not found, assuming present.\n",
+            DeviceNode->Name.Ascii));
+
+        *Flags = 0x0F;
+        Status = AE_OK;
+    }
+
+    else if (ACPI_FAILURE (Status))
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "_STA on %4.4s failed %s\n",
+            DeviceNode->Name.Ascii,
+            AcpiFormatException (Status)));
+    }
+
+    else /* success */
+    {
+        /* Did we get a return object? */
+
+        if (!ObjDesc)
+        {
+            ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "No object was returned from _STA\n"));
+            return_ACPI_STATUS (AE_TYPE);
+        }
+
+        /* Is the return object of the correct type? */
+
+        if (ACPI_GET_OBJECT_TYPE (ObjDesc) != ACPI_TYPE_INTEGER)
+        {
+            Status = AE_TYPE;
+            ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+                "Type returned from _STA was not a number: %X \n",
+                ACPI_GET_OBJECT_TYPE (ObjDesc)));
+        }
+        else
+        {
+            /* Extract the status flags */
+
+            *Flags = (UINT32) ObjDesc->Integer.Value;
+        }
+
+        /* On exit, we must delete the return object */
+
+        AcpiUtRemoveReference (ObjDesc);
+    }
+
+    return_ACPI_STATUS (Status);
+}
diff --git a/sys/contrib/dev/acpica/utglobal.c b/sys/contrib/dev/acpica/utglobal.c
new file mode 100644
index 0000000..52be7a0
--- /dev/null
+++ b/sys/contrib/dev/acpica/utglobal.c
@@ -0,0 +1,867 @@
+/******************************************************************************
+ *
+ * Module Name: utglobal - Global variables for the ACPI subsystem
+ *              $Revision: 172 $
+ *
+ *****************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+#define __UTGLOBAL_C__
+#define DEFINE_ACPI_GLOBALS
+
+#include "acpi.h"
+#include "acnamesp.h"
+
+#define _COMPONENT          ACPI_UTILITIES
+        ACPI_MODULE_NAME    ("utglobal")
+
+
+/******************************************************************************
+ *
+ * FUNCTION:    AcpiFormatException
+ *
+ * PARAMETERS:  Status       - The ACPI_STATUS code to be formatted
+ *
+ * RETURN:      A string containing the exception  text
+ *
+ * DESCRIPTION: This function translates an ACPI exception into an ASCII string.
+ *
+ ******************************************************************************/
+
+const char *
+AcpiFormatException (
+    ACPI_STATUS             Status)
+{
+    const char              *Exception = "UNKNOWN_STATUS_CODE";
+    ACPI_STATUS             SubStatus;
+
+
+    ACPI_FUNCTION_NAME ("FormatException");
+
+
+    SubStatus = (Status & ~AE_CODE_MASK);
+
+    switch (Status & AE_CODE_MASK)
+    {
+    case AE_CODE_ENVIRONMENTAL:
+
+        if (SubStatus <= AE_CODE_ENV_MAX)
+        {
+            Exception = AcpiGbl_ExceptionNames_Env [SubStatus];
+            break;
+        }
+        goto Unknown;
+
+    case AE_CODE_PROGRAMMER:
+
+        if (SubStatus <= AE_CODE_PGM_MAX)
+        {
+            Exception = AcpiGbl_ExceptionNames_Pgm [SubStatus -1];
+            break;
+        }
+        goto Unknown;
+
+    case AE_CODE_ACPI_TABLES:
+
+        if (SubStatus <= AE_CODE_TBL_MAX)
+        {
+            Exception = AcpiGbl_ExceptionNames_Tbl [SubStatus -1];
+            break;
+        }
+        goto Unknown;
+
+    case AE_CODE_AML:
+
+        if (SubStatus <= AE_CODE_AML_MAX)
+        {
+            Exception = AcpiGbl_ExceptionNames_Aml [SubStatus -1];
+            break;
+        }
+        goto Unknown;
+
+    case AE_CODE_CONTROL:
+
+        if (SubStatus <= AE_CODE_CTRL_MAX)
+        {
+            Exception = AcpiGbl_ExceptionNames_Ctrl [SubStatus -1];
+            break;
+        }
+        goto Unknown;
+
+    default:
+        goto Unknown;
+    }
+
+
+    return ((const char *) Exception);
+
+Unknown:
+
+    ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Unknown exception code: 0x%8.8X\n", Status));
+    return ((const char *) Exception);
+}
+
+
+/******************************************************************************
+ *
+ * Static global variable initialization.
+ *
+ ******************************************************************************/
+
+/*
+ * We want the debug switches statically initialized so they
+ * are already set when the debugger is entered.
+ */
+
+/* Debug switch - level and trace mask */
+
+#ifdef ACPI_DEBUG_OUTPUT
+UINT32                      AcpiDbgLevel = DEBUG_DEFAULT;
+#else
+UINT32                      AcpiDbgLevel = NORMAL_DEFAULT;
+#endif
+
+/* Debug switch - layer (component) mask */
+
+UINT32                      AcpiDbgLayer = ACPI_COMPONENT_DEFAULT;
+UINT32                      AcpiGbl_NestingLevel = 0;
+
+
+/* Debugger globals */
+
+BOOLEAN                     AcpiGbl_DbTerminateThreads = FALSE;
+BOOLEAN                     AcpiGbl_MethodExecuting = FALSE;
+
+/* System flags */
+
+UINT32                      AcpiGbl_StartupFlags = 0;
+
+/* System starts uninitialized */
+
+BOOLEAN                     AcpiGbl_Shutdown = TRUE;
+
+const UINT8                 AcpiGbl_DecodeTo8bit [8] = {1,2,4,8,16,32,64,128};
+
+const NATIVE_CHAR           *AcpiGbl_DbSleepStates[ACPI_NUM_SLEEP_STATES] = {
+                                "\\_S0_","\\_S1_","\\_S2_","\\_S3_",
+                                "\\_S4_","\\_S5_","\\_S4B"};
+
+
+/******************************************************************************
+ *
+ * Namespace globals
+ *
+ ******************************************************************************/
+
+
+/*
+ * Predefined ACPI Names (Built-in to the Interpreter)
+ *
+ * Initial values are currently supported only for types String and Number.
+ * Both are specified as strings in this table.
+ *
+ * NOTES:
+ * 1) _SB_ is defined to be a device to allow _SB_/_INI to be run
+ *    during the initialization sequence.
+ */
+
+const ACPI_PREDEFINED_NAMES     AcpiGbl_PreDefinedNames[] =
+{
+    {"_GPE",    ACPI_TYPE_LOCAL_SCOPE,      NULL},
+    {"_PR_",    ACPI_TYPE_LOCAL_SCOPE,      NULL},
+    {"_SB_",    ACPI_TYPE_DEVICE,           NULL},
+    {"_SI_",    ACPI_TYPE_LOCAL_SCOPE,      NULL},
+    {"_TZ_",    ACPI_TYPE_LOCAL_SCOPE,      NULL},
+    {"_REV",    ACPI_TYPE_INTEGER,          "2"},
+    {"_OS_",    ACPI_TYPE_STRING,           ACPI_OS_NAME},
+    {"_GL_",    ACPI_TYPE_MUTEX,            "0"},
+
+#if defined (ACPI_NO_METHOD_EXECUTION) || defined (ACPI_CONSTANT_EVAL_ONLY)
+    {"_OSI",    ACPI_TYPE_METHOD,           "1"},
+#endif
+    {NULL,      ACPI_TYPE_ANY,              NULL}              /* Table terminator */
+};
+
+
+/*
+ * Properties of the ACPI Object Types, both internal and external.
+ * The table is indexed by values of ACPI_OBJECT_TYPE
+ */
+
+const UINT8                     AcpiGbl_NsProperties[] =
+{
+    ACPI_NS_NORMAL,                     /* 00 Any              */
+    ACPI_NS_NORMAL,                     /* 01 Number           */
+    ACPI_NS_NORMAL,                     /* 02 String           */
+    ACPI_NS_NORMAL,                     /* 03 Buffer           */
+    ACPI_NS_NORMAL,                     /* 04 Package          */
+    ACPI_NS_NORMAL,                     /* 05 FieldUnit        */
+    ACPI_NS_NEWSCOPE,                   /* 06 Device           */
+    ACPI_NS_NORMAL,                     /* 07 Event            */
+    ACPI_NS_NEWSCOPE,                   /* 08 Method           */
+    ACPI_NS_NORMAL,                     /* 09 Mutex            */
+    ACPI_NS_NORMAL,                     /* 10 Region           */
+    ACPI_NS_NEWSCOPE,                   /* 11 Power            */
+    ACPI_NS_NEWSCOPE,                   /* 12 Processor        */
+    ACPI_NS_NEWSCOPE,                   /* 13 Thermal          */
+    ACPI_NS_NORMAL,                     /* 14 BufferField      */
+    ACPI_NS_NORMAL,                     /* 15 DdbHandle        */
+    ACPI_NS_NORMAL,                     /* 16 Debug Object     */
+    ACPI_NS_NORMAL,                     /* 17 DefField         */
+    ACPI_NS_NORMAL,                     /* 18 BankField        */
+    ACPI_NS_NORMAL,                     /* 19 IndexField       */
+    ACPI_NS_NORMAL,                     /* 20 Reference        */
+    ACPI_NS_NORMAL,                     /* 21 Alias            */
+    ACPI_NS_NORMAL,                     /* 22 Notify           */
+    ACPI_NS_NORMAL,                     /* 23 Address Handler  */
+    ACPI_NS_NEWSCOPE | ACPI_NS_LOCAL,   /* 24 Resource Desc    */
+    ACPI_NS_NEWSCOPE | ACPI_NS_LOCAL,   /* 25 Resource Field   */
+    ACPI_NS_NEWSCOPE,                   /* 26 Scope            */
+    ACPI_NS_NORMAL,                     /* 27 Extra            */
+    ACPI_NS_NORMAL,                     /* 28 Data             */
+    ACPI_NS_NORMAL                      /* 29 Invalid          */
+};
+
+
+/* Hex to ASCII conversion table */
+
+static const NATIVE_CHAR    AcpiGbl_HexToAscii[] =
+                                {'0','1','2','3','4','5','6','7',
+                                 '8','9','A','B','C','D','E','F'};
+
+/*****************************************************************************
+ *
+ * FUNCTION:    AcpiUtHexToAsciiChar
+ *
+ * PARAMETERS:  Integer             - Contains the hex digit
+ *              Position            - bit position of the digit within the
+ *                                    integer
+ *
+ * RETURN:      Ascii character
+ *
+ * DESCRIPTION: Convert a hex digit to an ascii character
+ *
+ ****************************************************************************/
+
+char
+AcpiUtHexToAsciiChar (
+    ACPI_INTEGER            Integer,
+    UINT32                  Position)
+{
+
+    return (AcpiGbl_HexToAscii[(Integer >> Position) & 0xF]);
+}
+
+
+/******************************************************************************
+ *
+ * Table name globals
+ *
+ * NOTE: This table includes ONLY the ACPI tables that the subsystem consumes.
+ * it is NOT an exhaustive list of all possible ACPI tables.  All ACPI tables
+ * that are not used by the subsystem are simply ignored.
+ *
+ * Do NOT add any table to this list that is not consumed directly by this
+ * subsystem.
+ *
+ ******************************************************************************/
+
+
+ACPI_TABLE_DESC             AcpiGbl_AcpiTables[NUM_ACPI_TABLES];
+
+
+ACPI_TABLE_SUPPORT          AcpiGbl_AcpiTableData[NUM_ACPI_TABLES] =
+{
+    /***********    Name,   Signature, Global typed pointer     Signature size,      Type                  How many allowed?,    Contains valid AML? */
+
+    /* RSDP 0 */ {RSDP_NAME, RSDP_SIG, NULL,                    sizeof (RSDP_SIG)-1, ACPI_TABLE_ROOT     | ACPI_TABLE_SINGLE},
+    /* DSDT 1 */ {DSDT_SIG,  DSDT_SIG, (void **) &AcpiGbl_DSDT, sizeof (DSDT_SIG)-1, ACPI_TABLE_SECONDARY| ACPI_TABLE_SINGLE   | ACPI_TABLE_EXECUTABLE},
+    /* FADT 2 */ {FADT_SIG,  FADT_SIG, (void **) &AcpiGbl_FADT, sizeof (FADT_SIG)-1, ACPI_TABLE_PRIMARY  | ACPI_TABLE_SINGLE},
+    /* FACS 3 */ {FACS_SIG,  FACS_SIG, (void **) &AcpiGbl_FACS, sizeof (FACS_SIG)-1, ACPI_TABLE_SECONDARY| ACPI_TABLE_SINGLE},
+    /* PSDT 4 */ {PSDT_SIG,  PSDT_SIG, NULL,                    sizeof (PSDT_SIG)-1, ACPI_TABLE_PRIMARY  | ACPI_TABLE_MULTIPLE | ACPI_TABLE_EXECUTABLE},
+    /* SSDT 5 */ {SSDT_SIG,  SSDT_SIG, NULL,                    sizeof (SSDT_SIG)-1, ACPI_TABLE_PRIMARY  | ACPI_TABLE_MULTIPLE | ACPI_TABLE_EXECUTABLE},
+    /* XSDT 6 */ {XSDT_SIG,  XSDT_SIG, NULL,                    sizeof (RSDT_SIG)-1, ACPI_TABLE_ROOT     | ACPI_TABLE_SINGLE},
+};
+
+
+/******************************************************************************
+ *
+ * Event and Hardware globals
+ *
+ ******************************************************************************/
+
+ACPI_BIT_REGISTER_INFO      AcpiGbl_BitRegisterInfo[ACPI_NUM_BITREG] =
+{
+    /* Name                                     Parent Register             Register Bit Position                   Register Bit Mask       */
+
+    /* ACPI_BITREG_TIMER_STATUS         */   {ACPI_REGISTER_PM1_STATUS,   ACPI_BITPOSITION_TIMER_STATUS,          ACPI_BITMASK_TIMER_STATUS},
+    /* ACPI_BITREG_BUS_MASTER_STATUS    */   {ACPI_REGISTER_PM1_STATUS,   ACPI_BITPOSITION_BUS_MASTER_STATUS,     ACPI_BITMASK_BUS_MASTER_STATUS},
+    /* ACPI_BITREG_GLOBAL_LOCK_STATUS   */   {ACPI_REGISTER_PM1_STATUS,   ACPI_BITPOSITION_GLOBAL_LOCK_STATUS,    ACPI_BITMASK_GLOBAL_LOCK_STATUS},
+    /* ACPI_BITREG_POWER_BUTTON_STATUS  */   {ACPI_REGISTER_PM1_STATUS,   ACPI_BITPOSITION_POWER_BUTTON_STATUS,   ACPI_BITMASK_POWER_BUTTON_STATUS},
+    /* ACPI_BITREG_SLEEP_BUTTON_STATUS  */   {ACPI_REGISTER_PM1_STATUS,   ACPI_BITPOSITION_SLEEP_BUTTON_STATUS,   ACPI_BITMASK_SLEEP_BUTTON_STATUS},
+    /* ACPI_BITREG_RT_CLOCK_STATUS      */   {ACPI_REGISTER_PM1_STATUS,   ACPI_BITPOSITION_RT_CLOCK_STATUS,       ACPI_BITMASK_RT_CLOCK_STATUS},
+    /* ACPI_BITREG_WAKE_STATUS          */   {ACPI_REGISTER_PM1_STATUS,   ACPI_BITPOSITION_WAKE_STATUS,           ACPI_BITMASK_WAKE_STATUS},
+
+    /* ACPI_BITREG_TIMER_ENABLE         */   {ACPI_REGISTER_PM1_ENABLE,   ACPI_BITPOSITION_TIMER_ENABLE,          ACPI_BITMASK_TIMER_ENABLE},
+    /* ACPI_BITREG_GLOBAL_LOCK_ENABLE   */   {ACPI_REGISTER_PM1_ENABLE,   ACPI_BITPOSITION_GLOBAL_LOCK_ENABLE,    ACPI_BITMASK_GLOBAL_LOCK_ENABLE},
+    /* ACPI_BITREG_POWER_BUTTON_ENABLE  */   {ACPI_REGISTER_PM1_ENABLE,   ACPI_BITPOSITION_POWER_BUTTON_ENABLE,   ACPI_BITMASK_POWER_BUTTON_ENABLE},
+    /* ACPI_BITREG_SLEEP_BUTTON_ENABLE  */   {ACPI_REGISTER_PM1_ENABLE,   ACPI_BITPOSITION_SLEEP_BUTTON_ENABLE,   ACPI_BITMASK_SLEEP_BUTTON_ENABLE},
+    /* ACPI_BITREG_RT_CLOCK_ENABLE      */   {ACPI_REGISTER_PM1_ENABLE,   ACPI_BITPOSITION_RT_CLOCK_ENABLE,       ACPI_BITMASK_RT_CLOCK_ENABLE},
+    /* ACPI_BITREG_WAKE_ENABLE          */   {ACPI_REGISTER_PM1_ENABLE,   0,                                      0},
+
+    /* ACPI_BITREG_SCI_ENABLE           */   {ACPI_REGISTER_PM1_CONTROL,  ACPI_BITPOSITION_SCI_ENABLE,            ACPI_BITMASK_SCI_ENABLE},
+    /* ACPI_BITREG_BUS_MASTER_RLD       */   {ACPI_REGISTER_PM1_CONTROL,  ACPI_BITPOSITION_BUS_MASTER_RLD,        ACPI_BITMASK_BUS_MASTER_RLD},
+    /* ACPI_BITREG_GLOBAL_LOCK_RELEASE  */   {ACPI_REGISTER_PM1_CONTROL,  ACPI_BITPOSITION_GLOBAL_LOCK_RELEASE,   ACPI_BITMASK_GLOBAL_LOCK_RELEASE},
+    /* ACPI_BITREG_SLEEP_TYPE_A         */   {ACPI_REGISTER_PM1_CONTROL,  ACPI_BITPOSITION_SLEEP_TYPE_X,          ACPI_BITMASK_SLEEP_TYPE_X},
+    /* ACPI_BITREG_SLEEP_TYPE_B         */   {ACPI_REGISTER_PM1_CONTROL,  ACPI_BITPOSITION_SLEEP_TYPE_X,          ACPI_BITMASK_SLEEP_TYPE_X},
+    /* ACPI_BITREG_SLEEP_ENABLE         */   {ACPI_REGISTER_PM1_CONTROL,  ACPI_BITPOSITION_SLEEP_ENABLE,          ACPI_BITMASK_SLEEP_ENABLE},
+
+    /* ACPI_BITREG_ARB_DIS              */   {ACPI_REGISTER_PM2_CONTROL,  ACPI_BITPOSITION_ARB_DISABLE,           ACPI_BITMASK_ARB_DISABLE}
+};
+
+
+ACPI_FIXED_EVENT_INFO       AcpiGbl_FixedEventInfo[ACPI_NUM_FIXED_EVENTS] =
+{
+    /* ACPI_EVENT_PMTIMER       */  {ACPI_BITREG_TIMER_STATUS,          ACPI_BITREG_TIMER_ENABLE,        ACPI_BITMASK_TIMER_STATUS,          ACPI_BITMASK_TIMER_ENABLE},
+    /* ACPI_EVENT_GLOBAL        */  {ACPI_BITREG_GLOBAL_LOCK_STATUS,    ACPI_BITREG_GLOBAL_LOCK_ENABLE,  ACPI_BITMASK_GLOBAL_LOCK_STATUS,    ACPI_BITMASK_GLOBAL_LOCK_ENABLE},
+    /* ACPI_EVENT_POWER_BUTTON  */  {ACPI_BITREG_POWER_BUTTON_STATUS,   ACPI_BITREG_POWER_BUTTON_ENABLE, ACPI_BITMASK_POWER_BUTTON_STATUS,   ACPI_BITMASK_POWER_BUTTON_ENABLE},
+    /* ACPI_EVENT_SLEEP_BUTTON  */  {ACPI_BITREG_SLEEP_BUTTON_STATUS,   ACPI_BITREG_SLEEP_BUTTON_ENABLE, ACPI_BITMASK_SLEEP_BUTTON_STATUS,   ACPI_BITMASK_SLEEP_BUTTON_ENABLE},
+    /* ACPI_EVENT_RTC           */  {ACPI_BITREG_RT_CLOCK_STATUS,       ACPI_BITREG_RT_CLOCK_ENABLE,     0,                                  0},
+};
+
+/*****************************************************************************
+ *
+ * FUNCTION:    AcpiUtGetRegionName
+ *
+ * PARAMETERS:  None.
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Translate a Space ID into a name string (Debug only)
+ *
+ ****************************************************************************/
+
+/* Region type decoding */
+
+const NATIVE_CHAR *AcpiGbl_RegionTypes[ACPI_NUM_PREDEFINED_REGIONS] =
+{
+    "SystemMemory",
+    "SystemIO",
+    "PCI_Config",
+    "EmbeddedControl",
+    "SMBus",
+    "CMOS",
+    "PCIBARTarget",
+    "DataTable",
+};
+
+
+NATIVE_CHAR *
+AcpiUtGetRegionName (
+    UINT8                   SpaceId)
+{
+
+    if (SpaceId >= ACPI_USER_REGION_BEGIN)
+    {
+        return ("UserDefinedRegion");
+    }
+
+    else if (SpaceId >= ACPI_NUM_PREDEFINED_REGIONS)
+    {
+        return ("InvalidSpaceID");
+    }
+
+    return ((NATIVE_CHAR *) AcpiGbl_RegionTypes[SpaceId]);
+}
+
+
+/*****************************************************************************
+ *
+ * FUNCTION:    AcpiUtGetEventName
+ *
+ * PARAMETERS:  None.
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Translate a Event ID into a name string (Debug only)
+ *
+ ****************************************************************************/
+
+/* Event type decoding */
+
+static const NATIVE_CHAR *AcpiGbl_EventTypes[ACPI_NUM_FIXED_EVENTS] =
+{
+    "PM_Timer",
+    "GlobalLock",
+    "PowerButton",
+    "SleepButton",
+    "RealTimeClock",
+};
+
+
+NATIVE_CHAR *
+AcpiUtGetEventName (
+    UINT32                  EventId)
+{
+
+    if (EventId > ACPI_EVENT_MAX)
+    {
+        return ("InvalidEventID");
+    }
+
+    return ((NATIVE_CHAR *) AcpiGbl_EventTypes[EventId]);
+}
+
+
+/*****************************************************************************
+ *
+ * FUNCTION:    AcpiUtGetTypeName
+ *
+ * PARAMETERS:  None.
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Translate a Type ID into a name string (Debug only)
+ *
+ ****************************************************************************/
+
+/*
+ * Elements of AcpiGbl_NsTypeNames below must match
+ * one-to-one with values of ACPI_OBJECT_TYPE
+ *
+ * The type ACPI_TYPE_ANY (Untyped) is used as a "don't care" when searching; when
+ * stored in a table it really means that we have thus far seen no evidence to
+ * indicatewhat type is actually going to be stored for this entry.
+ */
+
+static const NATIVE_CHAR    AcpiGbl_BadType[] = "UNDEFINED";
+#define TYPE_NAME_LENGTH    12                           /* Maximum length of each string */
+
+static const NATIVE_CHAR    *AcpiGbl_NsTypeNames[] =    /* printable names of ACPI types */
+{
+    /* 00 */ "Untyped",
+    /* 01 */ "Integer",
+    /* 02 */ "String",
+    /* 03 */ "Buffer",
+    /* 04 */ "Package",
+    /* 05 */ "FieldUnit",
+    /* 06 */ "Device",
+    /* 07 */ "Event",
+    /* 08 */ "Method",
+    /* 09 */ "Mutex",
+    /* 10 */ "Region",
+    /* 11 */ "Power",
+    /* 12 */ "Processor",
+    /* 13 */ "Thermal",
+    /* 14 */ "BufferField",
+    /* 15 */ "DdbHandle",
+    /* 16 */ "DebugObject",
+    /* 17 */ "RegionField",
+    /* 18 */ "BankField",
+    /* 19 */ "IndexField",
+    /* 20 */ "Reference",
+    /* 21 */ "Alias",
+    /* 22 */ "Notify",
+    /* 23 */ "AddrHandler",
+    /* 24 */ "ResourceDesc",
+    /* 25 */ "ResourceFld",
+    /* 26 */ "Scope",
+    /* 27 */ "Extra",
+    /* 28 */ "Data",
+    /* 39 */ "Invalid"
+};
+
+
+NATIVE_CHAR *
+AcpiUtGetTypeName (
+    ACPI_OBJECT_TYPE        Type)
+{
+
+    if (Type > ACPI_TYPE_INVALID)
+    {
+        return ((NATIVE_CHAR *) AcpiGbl_BadType);
+    }
+
+    return ((NATIVE_CHAR *) AcpiGbl_NsTypeNames[Type]);
+}
+
+
+NATIVE_CHAR *
+AcpiUtGetObjectTypeName (
+    ACPI_OPERAND_OBJECT     *ObjDesc)
+{
+
+    if (!ObjDesc)
+    {
+        return ("[NULL Object Descriptor]");
+    }
+
+    return (AcpiUtGetTypeName (ACPI_GET_OBJECT_TYPE (ObjDesc)));
+}
+
+
+#if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER)
+
+/*
+ * Strings and procedures used for debug only
+ */
+
+
+/*****************************************************************************
+ *
+ * FUNCTION:    AcpiUtGetMutexName
+ *
+ * PARAMETERS:  None.
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Translate a mutex ID into a name string (Debug only)
+ *
+ ****************************************************************************/
+
+NATIVE_CHAR *
+AcpiUtGetMutexName (
+    UINT32                  MutexId)
+{
+
+    if (MutexId > MAX_MTX)
+    {
+        return ("Invalid Mutex ID");
+    }
+
+    return (AcpiGbl_MutexNames[MutexId]);
+}
+
+
+#endif
+
+
+/*****************************************************************************
+ *
+ * FUNCTION:    AcpiUtValidObjectType
+ *
+ * PARAMETERS:  Type            - Object type to be validated
+ *
+ * RETURN:      TRUE if valid object type
+ *
+ * DESCRIPTION: Validate an object type
+ *
+ ****************************************************************************/
+
+BOOLEAN
+AcpiUtValidObjectType (
+    ACPI_OBJECT_TYPE        Type)
+{
+
+    if (Type > ACPI_TYPE_LOCAL_MAX)
+    {
+        /* Note: Assumes all TYPEs are contiguous (external/local) */
+
+        return (FALSE);
+    }
+
+    return (TRUE);
+}
+
+
+/****************************************************************************
+ *
+ * FUNCTION:    AcpiUtAllocateOwnerId
+ *
+ * PARAMETERS:  IdType          - Type of ID (method or table)
+ *
+ * DESCRIPTION: Allocate a table or method owner id
+ *
+ ***************************************************************************/
+
+ACPI_OWNER_ID
+AcpiUtAllocateOwnerId (
+    UINT32                  IdType)
+{
+    ACPI_OWNER_ID           OwnerId = 0xFFFF;
+
+
+    ACPI_FUNCTION_TRACE ("UtAllocateOwnerId");
+
+
+    if (ACPI_FAILURE (AcpiUtAcquireMutex (ACPI_MTX_CACHES)))
+    {
+        return (0);
+    }
+
+    switch (IdType)
+    {
+    case ACPI_OWNER_TYPE_TABLE:
+
+        OwnerId = AcpiGbl_NextTableOwnerId;
+        AcpiGbl_NextTableOwnerId++;
+
+        if (AcpiGbl_NextTableOwnerId == ACPI_FIRST_METHOD_ID)
+        {
+            AcpiGbl_NextTableOwnerId = ACPI_FIRST_TABLE_ID;
+        }
+        break;
+
+
+    case ACPI_OWNER_TYPE_METHOD:
+
+        OwnerId = AcpiGbl_NextMethodOwnerId;
+        AcpiGbl_NextMethodOwnerId++;
+
+        if (AcpiGbl_NextMethodOwnerId == ACPI_FIRST_TABLE_ID)
+        {
+            AcpiGbl_NextMethodOwnerId = ACPI_FIRST_METHOD_ID;
+        }
+        break;
+
+    default:
+        break;
+    }
+
+    (void) AcpiUtReleaseMutex (ACPI_MTX_CACHES);
+    return_VALUE (OwnerId);
+}
+
+
+/****************************************************************************
+ *
+ * FUNCTION:    AcpiUtInitGlobals
+ *
+ * PARAMETERS:  none
+ *
+ * DESCRIPTION: Init library globals.  All globals that require specific
+ *              initialization should be initialized here!
+ *
+ ***************************************************************************/
+
+void
+AcpiUtInitGlobals (
+    void)
+{
+    UINT32                  i;
+
+
+    ACPI_FUNCTION_TRACE ("UtInitGlobals");
+
+    /* Memory allocation and cache lists */
+
+    ACPI_MEMSET (AcpiGbl_MemoryLists, 0, sizeof (ACPI_MEMORY_LIST) * ACPI_NUM_MEM_LISTS);
+
+    AcpiGbl_MemoryLists[ACPI_MEM_LIST_STATE].LinkOffset         = (UINT16) ACPI_PTR_DIFF (&(((ACPI_GENERIC_STATE *) NULL)->Common.Next), NULL);
+    AcpiGbl_MemoryLists[ACPI_MEM_LIST_PSNODE].LinkOffset        = (UINT16) ACPI_PTR_DIFF (&(((ACPI_PARSE_OBJECT *) NULL)->Common.Next), NULL);
+    AcpiGbl_MemoryLists[ACPI_MEM_LIST_PSNODE_EXT].LinkOffset    = (UINT16) ACPI_PTR_DIFF (&(((ACPI_PARSE_OBJECT *) NULL)->Common.Next), NULL);
+    AcpiGbl_MemoryLists[ACPI_MEM_LIST_OPERAND].LinkOffset       = (UINT16) ACPI_PTR_DIFF (&(((ACPI_OPERAND_OBJECT *) NULL)->Cache.Next), NULL);
+    AcpiGbl_MemoryLists[ACPI_MEM_LIST_WALK].LinkOffset          = (UINT16) ACPI_PTR_DIFF (&(((ACPI_WALK_STATE *) NULL)->Next), NULL);
+
+    AcpiGbl_MemoryLists[ACPI_MEM_LIST_NSNODE].ObjectSize        = sizeof (ACPI_NAMESPACE_NODE);
+    AcpiGbl_MemoryLists[ACPI_MEM_LIST_STATE].ObjectSize         = sizeof (ACPI_GENERIC_STATE);
+    AcpiGbl_MemoryLists[ACPI_MEM_LIST_PSNODE].ObjectSize        = sizeof (ACPI_PARSE_OBJ_COMMON);
+    AcpiGbl_MemoryLists[ACPI_MEM_LIST_PSNODE_EXT].ObjectSize    = sizeof (ACPI_PARSE_OBJ_NAMED);
+    AcpiGbl_MemoryLists[ACPI_MEM_LIST_OPERAND].ObjectSize       = sizeof (ACPI_OPERAND_OBJECT);
+    AcpiGbl_MemoryLists[ACPI_MEM_LIST_WALK].ObjectSize          = sizeof (ACPI_WALK_STATE);
+
+    AcpiGbl_MemoryLists[ACPI_MEM_LIST_STATE].MaxCacheDepth      = MAX_STATE_CACHE_DEPTH;
+    AcpiGbl_MemoryLists[ACPI_MEM_LIST_PSNODE].MaxCacheDepth     = MAX_PARSE_CACHE_DEPTH;
+    AcpiGbl_MemoryLists[ACPI_MEM_LIST_PSNODE_EXT].MaxCacheDepth = MAX_EXTPARSE_CACHE_DEPTH;
+    AcpiGbl_MemoryLists[ACPI_MEM_LIST_OPERAND].MaxCacheDepth    = MAX_OBJECT_CACHE_DEPTH;
+    AcpiGbl_MemoryLists[ACPI_MEM_LIST_WALK].MaxCacheDepth       = MAX_WALK_CACHE_DEPTH;
+
+    ACPI_MEM_TRACKING (AcpiGbl_MemoryLists[ACPI_MEM_LIST_GLOBAL].ListName       = "Global Memory Allocation");
+    ACPI_MEM_TRACKING (AcpiGbl_MemoryLists[ACPI_MEM_LIST_NSNODE].ListName       = "Namespace Nodes");
+    ACPI_MEM_TRACKING (AcpiGbl_MemoryLists[ACPI_MEM_LIST_STATE].ListName        = "State Object Cache");
+    ACPI_MEM_TRACKING (AcpiGbl_MemoryLists[ACPI_MEM_LIST_PSNODE].ListName       = "Parse Node Cache");
+    ACPI_MEM_TRACKING (AcpiGbl_MemoryLists[ACPI_MEM_LIST_PSNODE_EXT].ListName   = "Extended Parse Node Cache");
+    ACPI_MEM_TRACKING (AcpiGbl_MemoryLists[ACPI_MEM_LIST_OPERAND].ListName      = "Operand Object Cache");
+    ACPI_MEM_TRACKING (AcpiGbl_MemoryLists[ACPI_MEM_LIST_WALK].ListName         = "Tree Walk Node Cache");
+
+    /* ACPI table structure */
+
+    for (i = 0; i < NUM_ACPI_TABLES; i++)
+    {
+        AcpiGbl_AcpiTables[i].Prev          = &AcpiGbl_AcpiTables[i];
+        AcpiGbl_AcpiTables[i].Next          = &AcpiGbl_AcpiTables[i];
+        AcpiGbl_AcpiTables[i].Pointer       = NULL;
+        AcpiGbl_AcpiTables[i].Length        = 0;
+        AcpiGbl_AcpiTables[i].Allocation    = ACPI_MEM_NOT_ALLOCATED;
+        AcpiGbl_AcpiTables[i].Count         = 0;
+    }
+
+    /* Mutex locked flags */
+
+    for (i = 0; i < NUM_MTX; i++)
+    {
+        AcpiGbl_AcpiMutexInfo[i].Mutex      = NULL;
+        AcpiGbl_AcpiMutexInfo[i].OwnerId    = ACPI_MUTEX_NOT_ACQUIRED;
+        AcpiGbl_AcpiMutexInfo[i].UseCount   = 0;
+    }
+
+    /* Global notify handlers */
+
+    AcpiGbl_SysNotify.Handler           = NULL;
+    AcpiGbl_DrvNotify.Handler           = NULL;
+    AcpiGbl_InitHandler                 = NULL;
+
+    /* Global "typed" ACPI table pointers */
+
+    AcpiGbl_RSDP                        = NULL;
+    AcpiGbl_XSDT                        = NULL;
+    AcpiGbl_FACS                        = NULL;
+    AcpiGbl_FADT                        = NULL;
+    AcpiGbl_DSDT                        = NULL;
+
+    /* Global Lock support */
+
+    AcpiGbl_GlobalLockAcquired          = FALSE;
+    AcpiGbl_GlobalLockThreadCount       = 0;
+    AcpiGbl_GlobalLockHandle            = 0;
+
+    /* Miscellaneous variables */
+
+    AcpiGbl_TableFlags                  = ACPI_PHYSICAL_POINTER;
+    AcpiGbl_RsdpOriginalLocation        = 0;
+    AcpiGbl_CmSingleStep                = FALSE;
+    AcpiGbl_DbTerminateThreads          = FALSE;
+    AcpiGbl_Shutdown                    = FALSE;
+    AcpiGbl_NsLookupCount               = 0;
+    AcpiGbl_PsFindCount                 = 0;
+    AcpiGbl_AcpiHardwarePresent         = TRUE;
+    AcpiGbl_NextTableOwnerId            = ACPI_FIRST_TABLE_ID;
+    AcpiGbl_NextMethodOwnerId           = ACPI_FIRST_METHOD_ID;
+    AcpiGbl_DebuggerConfiguration       = DEBUGGER_THREADING;
+    AcpiGbl_DbOutputFlags               = ACPI_DB_CONSOLE_OUTPUT;
+
+    /* Hardware oriented */
+
+    AcpiGbl_GpeRegisterInfo             = NULL;
+    AcpiGbl_GpeNumberInfo               = NULL;
+    AcpiGbl_EventsInitialized           = FALSE;
+
+    /* Namespace */
+
+    AcpiGbl_RootNode                    = NULL;
+
+    AcpiGbl_RootNodeStruct.Name.Integer = ACPI_ROOT_NAME;
+    AcpiGbl_RootNodeStruct.Descriptor   = ACPI_DESC_TYPE_NAMED;
+    AcpiGbl_RootNodeStruct.Type         = ACPI_TYPE_DEVICE;
+    AcpiGbl_RootNodeStruct.Child        = NULL;
+    AcpiGbl_RootNodeStruct.Peer         = NULL;
+    AcpiGbl_RootNodeStruct.Object       = NULL;
+    AcpiGbl_RootNodeStruct.Flags        = ANOBJ_END_OF_PEER_LIST;
+
+
+#ifdef ACPI_DEBUG_OUTPUT
+    AcpiGbl_LowestStackPointer          = ACPI_SIZE_MAX;
+#endif
+
+    return_VOID;
+}
+
+
diff --git a/sys/contrib/dev/acpica/utinit.c b/sys/contrib/dev/acpica/utinit.c
new file mode 100644
index 0000000..181512a
--- /dev/null
+++ b/sys/contrib/dev/acpica/utinit.c
@@ -0,0 +1,329 @@
+/******************************************************************************
+ *
+ * Module Name: utinit - Common ACPI subsystem initialization
+ *              $Revision: 114 $
+ *
+ *****************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+
+#define __UTINIT_C__
+
+#include "acpi.h"
+#include "acnamesp.h"
+#include "acevents.h"
+
+#define _COMPONENT          ACPI_UTILITIES
+        ACPI_MODULE_NAME    ("utinit")
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtFadtRegisterError
+ *
+ * PARAMETERS:  *RegisterName           - Pointer to string identifying register
+ *              Value                   - Actual register contents value
+ *              AcpiTestSpecSection     - TDS section containing assertion
+ *              AcpiAssertion           - Assertion number being tested
+ *
+ * RETURN:      AE_BAD_VALUE
+ *
+ * DESCRIPTION: Display failure message and link failure to TDS assertion
+ *
+ ******************************************************************************/
+
+static void
+AcpiUtFadtRegisterError (
+    NATIVE_CHAR             *RegisterName,
+    UINT32                  Value,
+    ACPI_SIZE               Offset)
+{
+
+    ACPI_REPORT_WARNING (
+        ("Invalid FADT value %s=%X at offset %X FADT=%p\n",
+        RegisterName, Value, (UINT32) Offset, AcpiGbl_FADT));
+}
+
+
+/******************************************************************************
+ *
+ * FUNCTION:    AcpiUtValidateFadt
+ *
+ * PARAMETERS:  None
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Validate various ACPI registers in the FADT
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiUtValidateFadt (
+    void)
+{
+
+    /*
+     * Verify Fixed ACPI Description Table fields,
+     * but don't abort on any problems, just display error
+     */
+    if (AcpiGbl_FADT->Pm1EvtLen < 4)
+    {
+        AcpiUtFadtRegisterError ("PM1_EVT_LEN",
+                        (UINT32) AcpiGbl_FADT->Pm1EvtLen,
+                        ACPI_FADT_OFFSET (Pm1EvtLen));
+    }
+
+    if (!AcpiGbl_FADT->Pm1CntLen)
+    {
+        AcpiUtFadtRegisterError ("PM1_CNT_LEN", 0,
+                        ACPI_FADT_OFFSET (Pm1CntLen));
+    }
+
+    if (!ACPI_VALID_ADDRESS (AcpiGbl_FADT->XPm1aEvtBlk.Address))
+    {
+        AcpiUtFadtRegisterError ("X_PM1a_EVT_BLK", 0,
+                        ACPI_FADT_OFFSET (XPm1aEvtBlk.Address));
+    }
+
+    if (!ACPI_VALID_ADDRESS (AcpiGbl_FADT->XPm1aCntBlk.Address))
+    {
+        AcpiUtFadtRegisterError ("X_PM1a_CNT_BLK", 0,
+                        ACPI_FADT_OFFSET (XPm1aCntBlk.Address));
+    }
+
+    if (!ACPI_VALID_ADDRESS (AcpiGbl_FADT->XPmTmrBlk.Address))
+    {
+        AcpiUtFadtRegisterError ("X_PM_TMR_BLK", 0,
+                        ACPI_FADT_OFFSET (XPmTmrBlk.Address));
+    }
+
+    if ((ACPI_VALID_ADDRESS (AcpiGbl_FADT->XPm2CntBlk.Address) &&
+        !AcpiGbl_FADT->Pm2CntLen))
+    {
+        AcpiUtFadtRegisterError ("PM2_CNT_LEN",
+                        (UINT32) AcpiGbl_FADT->Pm2CntLen,
+                        ACPI_FADT_OFFSET (Pm2CntLen));
+    }
+
+    if (AcpiGbl_FADT->PmTmLen < 4)
+    {
+        AcpiUtFadtRegisterError ("PM_TM_LEN",
+                        (UINT32) AcpiGbl_FADT->PmTmLen,
+                        ACPI_FADT_OFFSET (PmTmLen));
+    }
+
+    /* Length of GPE blocks must be a multiple of 2 */
+
+    if (ACPI_VALID_ADDRESS (AcpiGbl_FADT->XGpe0Blk.Address) &&
+        (AcpiGbl_FADT->Gpe0BlkLen & 1))
+    {
+        AcpiUtFadtRegisterError ("(x)GPE0_BLK_LEN",
+                        (UINT32) AcpiGbl_FADT->Gpe0BlkLen,
+                        ACPI_FADT_OFFSET (Gpe0BlkLen));
+    }
+
+    if (ACPI_VALID_ADDRESS (AcpiGbl_FADT->XGpe1Blk.Address) &&
+        (AcpiGbl_FADT->Gpe1BlkLen & 1))
+    {
+        AcpiUtFadtRegisterError ("(x)GPE1_BLK_LEN",
+                        (UINT32) AcpiGbl_FADT->Gpe1BlkLen,
+                        ACPI_FADT_OFFSET (Gpe1BlkLen));
+    }
+
+    return (AE_OK);
+}
+
+
+/******************************************************************************
+ *
+ * FUNCTION:    AcpiUtTerminate
+ *
+ * PARAMETERS:  none
+ *
+ * RETURN:      none
+ *
+ * DESCRIPTION: free memory allocated for table storage.
+ *
+ ******************************************************************************/
+
+void
+AcpiUtTerminate (void)
+{
+
+    ACPI_FUNCTION_TRACE ("UtTerminate");
+
+
+    /* Free global tables, etc. */
+
+    /* Nothing to do at this time */
+
+    return_VOID;
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtSubsystemShutdown
+ *
+ * PARAMETERS:  none
+ *
+ * RETURN:      none
+ *
+ * DESCRIPTION: Shutdown the various subsystems.  Don't delete the mutex
+ *              objects here -- because the AML debugger may be still running.
+ *
+ ******************************************************************************/
+
+void
+AcpiUtSubsystemShutdown (void)
+{
+
+    ACPI_FUNCTION_TRACE ("UtSubsystemShutdown");
+
+    /* Just exit if subsystem is already shutdown */
+
+    if (AcpiGbl_Shutdown)
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "ACPI Subsystem is already terminated\n"));
+        return_VOID;
+    }
+
+    /* Subsystem appears active, go ahead and shut it down */
+
+    AcpiGbl_Shutdown = TRUE;
+    ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Shutting down ACPI Subsystem...\n"));
+
+    /* Close the AcpiEvent Handling */
+
+    AcpiEvTerminate ();
+
+    /* Close the Namespace */
+
+    AcpiNsTerminate ();
+
+    /* Close the globals */
+
+    AcpiUtTerminate ();
+
+    /* Purge the local caches */
+
+    (void) AcpiPurgeCachedObjects ();
+
+    /* Debug only - display leftover memory allocation, if any */
+
+#ifdef ACPI_DBG_TRACK_ALLOCATIONS
+    AcpiUtDumpAllocations (ACPI_UINT32_MAX, NULL);
+#endif
+
+    return_VOID;
+}
+
+
diff --git a/sys/contrib/dev/acpica/utmath.c b/sys/contrib/dev/acpica/utmath.c
new file mode 100644
index 0000000..cd77944
--- /dev/null
+++ b/sys/contrib/dev/acpica/utmath.c
@@ -0,0 +1,428 @@
+/*******************************************************************************
+ *
+ * Module Name: utmath - Integer math support routines
+ *              $Revision: 11 $
+ *
+ ******************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+
+#define __UTMATH_C__
+
+#include "acpi.h"
+
+
+#define _COMPONENT          ACPI_UTILITIES
+        ACPI_MODULE_NAME    ("utmath")
+
+/*
+ * Support for double-precision integer divide.  This code is included here
+ * in order to support kernel environments where the double-precision math
+ * library is not available.
+ */
+
+#ifndef ACPI_USE_NATIVE_DIVIDE
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtShortDivide
+ *
+ * PARAMETERS:  InDividend          - Pointer to the dividend
+ *              Divisor             - 32-bit divisor
+ *              OutQuotient         - Pointer to where the quotient is returned
+ *              OutRemainder        - Pointer to where the remainder is returned
+ *
+ * RETURN:      Status (Checks for divide-by-zero)
+ *
+ * DESCRIPTION: Perform a short (maximum 64 bits divided by 32 bits)
+ *              divide and modulo.  The result is a 64-bit quotient and a
+ *              32-bit remainder.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiUtShortDivide (
+    ACPI_INTEGER            *InDividend,
+    UINT32                  Divisor,
+    ACPI_INTEGER            *OutQuotient,
+    UINT32                  *OutRemainder)
+{
+    UINT64_OVERLAY          Dividend;
+    UINT64_OVERLAY          Quotient;
+    UINT32                  Remainder32;
+
+
+    ACPI_FUNCTION_TRACE ("UtShortDivide");
+
+    Dividend.Full = *InDividend;
+
+    /* Always check for a zero divisor */
+
+    if (Divisor == 0)
+    {
+        ACPI_REPORT_ERROR (("AcpiUtShortDivide: Divide by zero\n"));
+        return_ACPI_STATUS (AE_AML_DIVIDE_BY_ZERO);
+    }
+
+    /*
+     * The quotient is 64 bits, the remainder is always 32 bits,
+     * and is generated by the second divide.
+     */
+    ACPI_DIV_64_BY_32 (0, Dividend.Part.Hi, Divisor,
+                       Quotient.Part.Hi, Remainder32);
+    ACPI_DIV_64_BY_32 (Remainder32, Dividend.Part.Lo,  Divisor,
+                       Quotient.Part.Lo, Remainder32);
+
+    /* Return only what was requested */
+
+    if (OutQuotient)
+    {
+        *OutQuotient = Quotient.Full;
+    }
+    if (OutRemainder)
+    {
+        *OutRemainder = Remainder32;
+    }
+
+    return_ACPI_STATUS (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtDivide
+ *
+ * PARAMETERS:  InDividend          - Pointer to the dividend
+ *              InDivisor           - Pointer to the divisor
+ *              OutQuotient         - Pointer to where the quotient is returned
+ *              OutRemainder        - Pointer to where the remainder is returned
+ *
+ * RETURN:      Status (Checks for divide-by-zero)
+ *
+ * DESCRIPTION: Perform a divide and modulo.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiUtDivide (
+    ACPI_INTEGER            *InDividend,
+    ACPI_INTEGER            *InDivisor,
+    ACPI_INTEGER            *OutQuotient,
+    ACPI_INTEGER            *OutRemainder)
+{
+    UINT64_OVERLAY          Dividend;
+    UINT64_OVERLAY          Divisor;
+    UINT64_OVERLAY          Quotient;
+    UINT64_OVERLAY          Remainder;
+    UINT64_OVERLAY          NormalizedDividend;
+    UINT64_OVERLAY          NormalizedDivisor;
+    UINT32                  Partial1;
+    UINT64_OVERLAY          Partial2;
+    UINT64_OVERLAY          Partial3;
+
+
+    ACPI_FUNCTION_TRACE ("UtDivide");
+
+
+    /* Always check for a zero divisor */
+
+    if (*InDivisor == 0)
+    {
+        ACPI_REPORT_ERROR (("AcpiUtDivide: Divide by zero\n"));
+        return_ACPI_STATUS (AE_AML_DIVIDE_BY_ZERO);
+    }
+
+    Divisor.Full  = *InDivisor;
+    Dividend.Full = *InDividend;
+    if (Divisor.Part.Hi == 0)
+    {
+        /*
+         * 1) Simplest case is where the divisor is 32 bits, we can
+         * just do two divides
+         */
+        Remainder.Part.Hi = 0;
+
+        /*
+         * The quotient is 64 bits, the remainder is always 32 bits,
+         * and is generated by the second divide.
+         */
+        ACPI_DIV_64_BY_32 (0, Dividend.Part.Hi, Divisor.Part.Lo,
+                           Quotient.Part.Hi, Partial1);
+        ACPI_DIV_64_BY_32 (Partial1, Dividend.Part.Lo, Divisor.Part.Lo,
+                           Quotient.Part.Lo, Remainder.Part.Lo);
+    }
+
+    else
+    {
+        /*
+         * 2) The general case where the divisor is a full 64 bits
+         * is more difficult
+         */
+        Quotient.Part.Hi   = 0;
+        NormalizedDividend = Dividend;
+        NormalizedDivisor  = Divisor;
+
+        /* Normalize the operands (shift until the divisor is < 32 bits) */
+
+        do
+        {
+            ACPI_SHIFT_RIGHT_64 (NormalizedDivisor.Part.Hi,
+                                 NormalizedDivisor.Part.Lo);
+            ACPI_SHIFT_RIGHT_64 (NormalizedDividend.Part.Hi,
+                                 NormalizedDividend.Part.Lo);
+
+        } while (NormalizedDivisor.Part.Hi != 0);
+
+        /* Partial divide */
+
+        ACPI_DIV_64_BY_32 (NormalizedDividend.Part.Hi,
+                           NormalizedDividend.Part.Lo,
+                           NormalizedDivisor.Part.Lo,
+                           Quotient.Part.Lo, Partial1);
+
+        /*
+         * The quotient is always 32 bits, and simply requires adjustment.
+         * The 64-bit remainder must be generated.
+         */
+        Partial1      = Quotient.Part.Lo * Divisor.Part.Hi;
+        Partial2.Full = (ACPI_INTEGER) Quotient.Part.Lo * Divisor.Part.Lo;
+        Partial3.Full = (ACPI_INTEGER) Partial2.Part.Hi + Partial1;
+
+        Remainder.Part.Hi = Partial3.Part.Lo;
+        Remainder.Part.Lo = Partial2.Part.Lo;
+
+        if (Partial3.Part.Hi == 0)
+        {
+            if (Partial3.Part.Lo >= Dividend.Part.Hi)
+            {
+                if (Partial3.Part.Lo == Dividend.Part.Hi)
+                {
+                    if (Partial2.Part.Lo > Dividend.Part.Lo)
+                    {
+                        Quotient.Part.Lo--;
+                        Remainder.Full -= Divisor.Full;
+                    }
+                }
+                else
+                {
+                    Quotient.Part.Lo--;
+                    Remainder.Full -= Divisor.Full;
+                }
+            }
+
+            Remainder.Full    = Remainder.Full - Dividend.Full;
+            Remainder.Part.Hi = (UINT32) -((INT32) Remainder.Part.Hi);
+            Remainder.Part.Lo = (UINT32) -((INT32) Remainder.Part.Lo);
+
+            if (Remainder.Part.Lo)
+            {
+                Remainder.Part.Hi--;
+            }
+        }
+    }
+
+    /* Return only what was requested */
+
+    if (OutQuotient)
+    {
+        *OutQuotient = Quotient.Full;
+    }
+    if (OutRemainder)
+    {
+        *OutRemainder = Remainder.Full;
+    }
+
+    return_ACPI_STATUS (AE_OK);
+}
+
+#else
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtShortDivide, AcpiUtDivide
+ *
+ * DESCRIPTION: Native versions of the UtDivide functions. Use these if either
+ *              1) The target is a 64-bit platform and therefore 64-bit
+ *                 integer math is supported directly by the machine.
+ *              2) The target is a 32-bit or 16-bit platform, and the
+ *                 double-precision integer math library is available to
+ *                 perform the divide.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiUtShortDivide (
+    ACPI_INTEGER            *InDividend,
+    UINT32                  Divisor,
+    ACPI_INTEGER            *OutQuotient,
+    UINT32                  *OutRemainder)
+{
+
+    ACPI_FUNCTION_TRACE ("UtShortDivide");
+
+
+    /* Always check for a zero divisor */
+
+    if (Divisor == 0)
+    {
+        ACPI_REPORT_ERROR (("AcpiUtShortDivide: Divide by zero\n"));
+        return_ACPI_STATUS (AE_AML_DIVIDE_BY_ZERO);
+    }
+
+    /* Return only what was requested */
+
+    if (OutQuotient)
+    {
+        *OutQuotient = *InDividend / Divisor;
+    }
+    if (OutRemainder)
+    {
+        *OutRemainder = (UINT32) *InDividend % Divisor;
+    }
+
+    return_ACPI_STATUS (AE_OK);
+}
+
+ACPI_STATUS
+AcpiUtDivide (
+    ACPI_INTEGER            *InDividend,
+    ACPI_INTEGER            *InDivisor,
+    ACPI_INTEGER            *OutQuotient,
+    ACPI_INTEGER            *OutRemainder)
+{
+    ACPI_FUNCTION_TRACE ("UtDivide");
+
+
+    /* Always check for a zero divisor */
+
+    if (*InDivisor == 0)
+    {
+        ACPI_REPORT_ERROR (("AcpiUtDivide: Divide by zero\n"));
+        return_ACPI_STATUS (AE_AML_DIVIDE_BY_ZERO);
+    }
+
+
+    /* Return only what was requested */
+
+    if (OutQuotient)
+    {
+        *OutQuotient = *InDividend / *InDivisor;
+    }
+    if (OutRemainder)
+    {
+        *OutRemainder = *InDividend % *InDivisor;
+    }
+
+    return_ACPI_STATUS (AE_OK);
+}
+
+#endif
+
+
diff --git a/sys/contrib/dev/acpica/utmisc.c b/sys/contrib/dev/acpica/utmisc.c
new file mode 100644
index 0000000..4862b7d
--- /dev/null
+++ b/sys/contrib/dev/acpica/utmisc.c
@@ -0,0 +1,1633 @@
+/*******************************************************************************
+ *
+ * Module Name: utmisc - common utility procedures
+ *              $Revision: 86 $
+ *
+ ******************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+
+#define __UTMISC_C__
+
+#include "acpi.h"
+#include "acnamesp.h"
+
+
+#define _COMPONENT          ACPI_UTILITIES
+        ACPI_MODULE_NAME    ("utmisc")
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtPrintString
+ *
+ * PARAMETERS:  String          - Null terminated ASCII string
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Dump an ASCII string with support for ACPI-defined escape
+ *              sequences.
+ *
+ ******************************************************************************/
+
+void
+AcpiUtPrintString (
+    char                    *String,
+    UINT8                   MaxLength)
+{
+    UINT32                  i;
+
+
+    if (!String)
+    {
+        AcpiOsPrintf ("<\"NULL STRING PTR\">");
+        return;
+    }
+
+    AcpiOsPrintf ("\"");
+    for (i = 0; String[i] && (i < MaxLength); i++)
+    {
+        /* Escape sequences */
+
+        switch (String[i])
+        {
+        case 0x07:
+            AcpiOsPrintf ("\\a");        /* BELL */
+            break;
+
+        case 0x08:
+            AcpiOsPrintf ("\\b");       /* BACKSPACE */
+            break;
+
+        case 0x0C:
+            AcpiOsPrintf ("\\f");       /* FORMFEED */
+            break;
+
+        case 0x0A:
+            AcpiOsPrintf ("\\n");       /* LINEFEED */
+            break;
+
+        case 0x0D:
+            AcpiOsPrintf ("\\r");       /* CARRIAGE RETURN*/
+            break;
+
+        case 0x09:
+            AcpiOsPrintf ("\\t");       /* HORIZONTAL TAB */
+            break;
+
+        case 0x0B:
+            AcpiOsPrintf ("\\v");       /* VERTICAL TAB */
+            break;
+
+        case '\'':                      /* Single Quote */
+        case '\"':                      /* Double Quote */
+        case '\\':                      /* Backslash */
+            AcpiOsPrintf ("\\%c", (int) String[i]);
+            break;
+
+        default:
+
+            /* Check for printable character or hex escape */
+
+            if (ACPI_IS_PRINT (String[i]))
+            {
+                /* This is a normal character */
+
+                AcpiOsPrintf ("%c", (int) String[i]);
+            }
+            else
+            {
+                /* All others will be Hex escapes */
+
+                AcpiOsPrintf ("\\x%2.2X", (INT32) String[i]);
+            }
+            break;
+        }
+    }
+    AcpiOsPrintf ("\"");
+
+    if (i == MaxLength && String[i])
+    {
+        AcpiOsPrintf ("...");
+    }
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtDwordByteSwap
+ *
+ * PARAMETERS:  Value           - Value to be converted
+ *
+ * DESCRIPTION: Convert a 32-bit value to big-endian (swap the bytes)
+ *
+ ******************************************************************************/
+
+UINT32
+AcpiUtDwordByteSwap (
+    UINT32                  Value)
+{
+    union
+    {
+        UINT32              Value;
+        UINT8               Bytes[4];
+    } Out;
+
+    union
+    {
+        UINT32              Value;
+        UINT8               Bytes[4];
+    } In;
+
+
+    ACPI_FUNCTION_ENTRY ();
+
+
+    In.Value = Value;
+
+    Out.Bytes[0] = In.Bytes[3];
+    Out.Bytes[1] = In.Bytes[2];
+    Out.Bytes[2] = In.Bytes[1];
+    Out.Bytes[3] = In.Bytes[0];
+
+    return (Out.Value);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtSetIntegerWidth
+ *
+ * PARAMETERS:  Revision            From DSDT header
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Set the global integer bit width based upon the revision
+ *              of the DSDT.  For Revision 1 and 0, Integers are 32 bits.
+ *              For Revision 2 and above, Integers are 64 bits.  Yes, this
+ *              makes a difference.
+ *
+ ******************************************************************************/
+
+void
+AcpiUtSetIntegerWidth (
+    UINT8                   Revision)
+{
+
+    if (Revision <= 1)
+    {
+        AcpiGbl_IntegerBitWidth  = 32;
+        AcpiGbl_IntegerByteWidth = 4;
+    }
+    else
+    {
+        AcpiGbl_IntegerBitWidth  = 64;
+        AcpiGbl_IntegerByteWidth = 8;
+    }
+}
+
+
+#ifdef ACPI_DEBUG_OUTPUT
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtDisplayInitPathname
+ *
+ * PARAMETERS:  ObjHandle           - Handle whose pathname will be displayed
+ *              Path                - Additional path string to be appended
+ *
+ * RETURN:      ACPI_STATUS
+ *
+ * DESCRIPTION: Display full pathnbame of an object, DEBUG ONLY
+ *
+ ******************************************************************************/
+
+void
+AcpiUtDisplayInitPathname (
+    ACPI_HANDLE             ObjHandle,
+    char                    *Path)
+{
+    ACPI_STATUS             Status;
+    ACPI_BUFFER             Buffer;
+
+
+    ACPI_FUNCTION_NAME ("UtDisplayInitPathname");
+
+
+    Buffer.Length = ACPI_ALLOCATE_LOCAL_BUFFER;
+
+    Status = AcpiNsHandleToPathname (ObjHandle, &Buffer);
+    if (ACPI_SUCCESS (Status))
+    {
+        if (Path)
+        {
+            ACPI_DEBUG_PRINT ((ACPI_DB_INIT, "%s.%s\n", (char *) Buffer.Pointer, Path));
+        }
+        else
+        {
+            ACPI_DEBUG_PRINT ((ACPI_DB_INIT, "%s\n", (char *) Buffer.Pointer));
+        }
+
+        ACPI_MEM_FREE (Buffer.Pointer);
+    }
+}
+#endif
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtValidAcpiName
+ *
+ * PARAMETERS:  Character           - The character to be examined
+ *
+ * RETURN:      1 if Character may appear in a name, else 0
+ *
+ * DESCRIPTION: Check for a valid ACPI name.  Each character must be one of:
+ *              1) Upper case alpha
+ *              2) numeric
+ *              3) underscore
+ *
+ ******************************************************************************/
+
+BOOLEAN
+AcpiUtValidAcpiName (
+    UINT32                  Name)
+{
+    NATIVE_CHAR             *NamePtr = (NATIVE_CHAR *) &Name;
+    UINT32                  i;
+
+
+    ACPI_FUNCTION_ENTRY ();
+
+
+    for (i = 0; i < ACPI_NAME_SIZE; i++)
+    {
+        if (!((NamePtr[i] == '_') ||
+              (NamePtr[i] >= 'A' && NamePtr[i] <= 'Z') ||
+              (NamePtr[i] >= '0' && NamePtr[i] <= '9')))
+        {
+            return (FALSE);
+        }
+    }
+
+    return (TRUE);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtValidAcpiCharacter
+ *
+ * PARAMETERS:  Character           - The character to be examined
+ *
+ * RETURN:      1 if Character may appear in a name, else 0
+ *
+ * DESCRIPTION: Check for a printable character
+ *
+ ******************************************************************************/
+
+BOOLEAN
+AcpiUtValidAcpiCharacter (
+    NATIVE_CHAR             Character)
+{
+
+    ACPI_FUNCTION_ENTRY ();
+
+    return ((BOOLEAN)   ((Character == '_') ||
+                        (Character >= 'A' && Character <= 'Z') ||
+                        (Character >= '0' && Character <= '9')));
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtStrtoul64
+ *
+ * PARAMETERS:  String          - Null terminated string
+ *              Terminater      - Where a pointer to the terminating byte is returned
+ *              Base            - Radix of the string
+ *
+ * RETURN:      Converted value
+ *
+ * DESCRIPTION: Convert a string into an unsigned value.
+ *
+ ******************************************************************************/
+#define NEGATIVE    1
+#define POSITIVE    0
+
+ACPI_STATUS
+AcpiUtStrtoul64 (
+    NATIVE_CHAR             *String,
+    UINT32                  Base,
+    ACPI_INTEGER            *RetInteger)
+{
+    UINT32                  Index;
+    ACPI_INTEGER            ReturnValue = 0;
+    ACPI_STATUS             Status = AE_OK;
+    ACPI_INTEGER            Dividend;
+    ACPI_INTEGER            Quotient;
+
+
+    *RetInteger = 0;
+
+    switch (Base)
+    {
+    case 0:
+    case 8:
+    case 10:
+    case 16:
+        break;
+
+    default:
+        /*
+         * The specified Base parameter is not in the domain of
+         * this function:
+         */
+        return (AE_BAD_PARAMETER);
+    }
+
+    /*
+     * skip over any white space in the buffer:
+     */
+    while (ACPI_IS_SPACE (*String) || *String == '\t')
+    {
+        ++String;
+    }
+
+    /*
+     * If the input parameter Base is zero, then we need to
+     * determine if it is octal, decimal, or hexadecimal:
+     */
+    if (Base == 0)
+    {
+        if (*String == '0')
+        {
+            if (ACPI_TOLOWER (*(++String)) == 'x')
+            {
+                Base = 16;
+                ++String;
+            }
+            else
+            {
+                Base = 8;
+            }
+        }
+        else
+        {
+            Base = 10;
+        }
+    }
+
+    /*
+     * For octal and hexadecimal bases, skip over the leading
+     * 0 or 0x, if they are present.
+     */
+    if (Base == 8 && *String == '0')
+    {
+        String++;
+    }
+
+    if (Base == 16 &&
+        *String == '0' &&
+        ACPI_TOLOWER (*(++String)) == 'x')
+    {
+        String++;
+    }
+
+    /* Main loop: convert the string to an unsigned long */
+
+    while (*String)
+    {
+        if (ACPI_IS_DIGIT (*String))
+        {
+            Index = ((UINT8) *String) - '0';
+        }
+        else
+        {
+            Index = (UINT8) ACPI_TOUPPER (*String);
+            if (ACPI_IS_UPPER ((char) Index))
+            {
+                Index = Index - 'A' + 10;
+            }
+            else
+            {
+                goto ErrorExit;
+            }
+        }
+
+        if (Index >= Base)
+        {
+            goto ErrorExit;
+        }
+
+        /* Check to see if value is out of range: */
+
+        Dividend = ACPI_INTEGER_MAX - (ACPI_INTEGER) Index;
+        (void) AcpiUtShortDivide (&Dividend, Base, &Quotient, NULL);
+        if (ReturnValue > Quotient)
+        {
+            goto ErrorExit;
+        }
+
+        ReturnValue *= Base;
+        ReturnValue += Index;
+        ++String;
+    }
+
+    *RetInteger = ReturnValue;
+    return (Status);
+
+
+ErrorExit:
+    switch (Base)
+    {
+    case 8:
+        Status = AE_BAD_OCTAL_CONSTANT;
+        break;
+
+    case 10:
+        Status = AE_BAD_DECIMAL_CONSTANT;
+        break;
+
+    case 16:
+        Status = AE_BAD_HEX_CONSTANT;
+        break;
+
+    default:
+        /* Base validated above */
+        break;
+    }
+
+    return (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtStrupr
+ *
+ * PARAMETERS:  SrcString       - The source string to convert to
+ *
+ * RETURN:      SrcString
+ *
+ * DESCRIPTION: Convert string to uppercase
+ *
+ ******************************************************************************/
+
+NATIVE_CHAR *
+AcpiUtStrupr (
+    NATIVE_CHAR             *SrcString)
+{
+    NATIVE_CHAR             *String;
+
+
+    ACPI_FUNCTION_ENTRY ();
+
+
+    /* Walk entire string, uppercasing the letters */
+
+    for (String = SrcString; *String; )
+    {
+        *String = (char) ACPI_TOUPPER (*String);
+        String++;
+    }
+
+
+    return (SrcString);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtMutexInitialize
+ *
+ * PARAMETERS:  None.
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Create the system mutex objects.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiUtMutexInitialize (
+    void)
+{
+    UINT32                  i;
+    ACPI_STATUS             Status;
+
+
+    ACPI_FUNCTION_TRACE ("UtMutexInitialize");
+
+
+    /*
+     * Create each of the predefined mutex objects
+     */
+    for (i = 0; i < NUM_MTX; i++)
+    {
+        Status = AcpiUtCreateMutex (i);
+        if (ACPI_FAILURE (Status))
+        {
+            return_ACPI_STATUS (Status);
+        }
+    }
+
+    return_ACPI_STATUS (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtMutexTerminate
+ *
+ * PARAMETERS:  None.
+ *
+ * RETURN:      None.
+ *
+ * DESCRIPTION: Delete all of the system mutex objects.
+ *
+ ******************************************************************************/
+
+void
+AcpiUtMutexTerminate (
+    void)
+{
+    UINT32                  i;
+
+
+    ACPI_FUNCTION_TRACE ("UtMutexTerminate");
+
+
+    /*
+     * Delete each predefined mutex object
+     */
+    for (i = 0; i < NUM_MTX; i++)
+    {
+        (void) AcpiUtDeleteMutex (i);
+    }
+
+    return_VOID;
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtCreateMutex
+ *
+ * PARAMETERS:  MutexID         - ID of the mutex to be created
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Create a mutex object.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiUtCreateMutex (
+    ACPI_MUTEX_HANDLE       MutexId)
+{
+    ACPI_STATUS             Status = AE_OK;
+
+
+    ACPI_FUNCTION_TRACE_U32 ("UtCreateMutex", MutexId);
+
+
+    if (MutexId > MAX_MTX)
+    {
+        return_ACPI_STATUS (AE_BAD_PARAMETER);
+    }
+
+
+    if (!AcpiGbl_AcpiMutexInfo[MutexId].Mutex)
+    {
+        Status = AcpiOsCreateSemaphore (1, 1,
+                        &AcpiGbl_AcpiMutexInfo[MutexId].Mutex);
+        AcpiGbl_AcpiMutexInfo[MutexId].OwnerId = ACPI_MUTEX_NOT_ACQUIRED;
+        AcpiGbl_AcpiMutexInfo[MutexId].UseCount = 0;
+    }
+
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtDeleteMutex
+ *
+ * PARAMETERS:  MutexID         - ID of the mutex to be deleted
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Delete a mutex object.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiUtDeleteMutex (
+    ACPI_MUTEX_HANDLE       MutexId)
+{
+    ACPI_STATUS             Status;
+
+
+    ACPI_FUNCTION_TRACE_U32 ("UtDeleteMutex", MutexId);
+
+
+    if (MutexId > MAX_MTX)
+    {
+        return_ACPI_STATUS (AE_BAD_PARAMETER);
+    }
+
+
+    Status = AcpiOsDeleteSemaphore (AcpiGbl_AcpiMutexInfo[MutexId].Mutex);
+
+    AcpiGbl_AcpiMutexInfo[MutexId].Mutex = NULL;
+    AcpiGbl_AcpiMutexInfo[MutexId].OwnerId = ACPI_MUTEX_NOT_ACQUIRED;
+
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtAcquireMutex
+ *
+ * PARAMETERS:  MutexID         - ID of the mutex to be acquired
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Acquire a mutex object.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiUtAcquireMutex (
+    ACPI_MUTEX_HANDLE       MutexId)
+{
+    ACPI_STATUS             Status;
+    UINT32                  i;
+    UINT32                  ThisThreadId;
+
+
+    ACPI_FUNCTION_NAME ("UtAcquireMutex");
+
+
+    if (MutexId > MAX_MTX)
+    {
+        return (AE_BAD_PARAMETER);
+    }
+
+
+    ThisThreadId = AcpiOsGetThreadId ();
+
+    /*
+     * Deadlock prevention.  Check if this thread owns any mutexes of value
+     * greater than or equal to this one.  If so, the thread has violated
+     * the mutex ordering rule.  This indicates a coding error somewhere in
+     * the ACPI subsystem code.
+     */
+    for (i = MutexId; i < MAX_MTX; i++)
+    {
+        if (AcpiGbl_AcpiMutexInfo[i].OwnerId == ThisThreadId)
+        {
+            if (i == MutexId)
+            {
+                ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+                        "Mutex [%s] already acquired by this thread [%X]\n",
+                        AcpiUtGetMutexName (MutexId), ThisThreadId));
+
+                return (AE_ALREADY_ACQUIRED);
+            }
+
+            ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+                    "Invalid acquire order: Thread %X owns [%s], wants [%s]\n",
+                    ThisThreadId, AcpiUtGetMutexName (i),
+                    AcpiUtGetMutexName (MutexId)));
+
+            return (AE_ACQUIRE_DEADLOCK);
+        }
+    }
+
+
+    ACPI_DEBUG_PRINT ((ACPI_DB_MUTEX,
+                "Thread %X attempting to acquire Mutex [%s]\n",
+                ThisThreadId, AcpiUtGetMutexName (MutexId)));
+
+    Status = AcpiOsWaitSemaphore (AcpiGbl_AcpiMutexInfo[MutexId].Mutex,
+                                    1, ACPI_WAIT_FOREVER);
+    if (ACPI_SUCCESS (Status))
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_MUTEX, "Thread %X acquired Mutex [%s]\n",
+                    ThisThreadId, AcpiUtGetMutexName (MutexId)));
+
+        AcpiGbl_AcpiMutexInfo[MutexId].UseCount++;
+        AcpiGbl_AcpiMutexInfo[MutexId].OwnerId = ThisThreadId;
+    }
+
+    else
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Thread %X could not acquire Mutex [%s] %s\n",
+                    ThisThreadId, AcpiUtGetMutexName (MutexId),
+                    AcpiFormatException (Status)));
+    }
+
+    return (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtReleaseMutex
+ *
+ * PARAMETERS:  MutexID         - ID of the mutex to be released
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Release a mutex object.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiUtReleaseMutex (
+    ACPI_MUTEX_HANDLE       MutexId)
+{
+    ACPI_STATUS             Status;
+    UINT32                  i;
+    UINT32                  ThisThreadId;
+
+
+    ACPI_FUNCTION_NAME ("UtReleaseMutex");
+
+
+    ThisThreadId = AcpiOsGetThreadId ();
+    ACPI_DEBUG_PRINT ((ACPI_DB_MUTEX,
+        "Thread %X releasing Mutex [%s]\n", ThisThreadId,
+        AcpiUtGetMutexName (MutexId)));
+
+    if (MutexId > MAX_MTX)
+    {
+        return (AE_BAD_PARAMETER);
+    }
+
+
+    /*
+     * Mutex must be acquired in order to release it!
+     */
+    if (AcpiGbl_AcpiMutexInfo[MutexId].OwnerId == ACPI_MUTEX_NOT_ACQUIRED)
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+                "Mutex [%s] is not acquired, cannot release\n",
+                AcpiUtGetMutexName (MutexId)));
+
+        return (AE_NOT_ACQUIRED);
+    }
+
+
+    /*
+     * Deadlock prevention.  Check if this thread owns any mutexes of value
+     * greater than this one.  If so, the thread has violated the mutex
+     * ordering rule.  This indicates a coding error somewhere in
+     * the ACPI subsystem code.
+     */
+    for (i = MutexId; i < MAX_MTX; i++)
+    {
+        if (AcpiGbl_AcpiMutexInfo[i].OwnerId == ThisThreadId)
+        {
+            if (i == MutexId)
+            {
+                continue;
+            }
+
+            ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+                    "Invalid release order: owns [%s], releasing [%s]\n",
+                    AcpiUtGetMutexName (i), AcpiUtGetMutexName (MutexId)));
+
+            return (AE_RELEASE_DEADLOCK);
+        }
+    }
+
+
+    /* Mark unlocked FIRST */
+
+    AcpiGbl_AcpiMutexInfo[MutexId].OwnerId = ACPI_MUTEX_NOT_ACQUIRED;
+
+    Status = AcpiOsSignalSemaphore (AcpiGbl_AcpiMutexInfo[MutexId].Mutex, 1);
+
+    if (ACPI_FAILURE (Status))
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Thread %X could not release Mutex [%s] %s\n",
+                    ThisThreadId, AcpiUtGetMutexName (MutexId),
+                    AcpiFormatException (Status)));
+    }
+    else
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_MUTEX, "Thread %X released Mutex [%s]\n",
+                    ThisThreadId, AcpiUtGetMutexName (MutexId)));
+    }
+
+    return (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtCreateUpdateStateAndPush
+ *
+ * PARAMETERS:  *Object         - Object to be added to the new state
+ *              Action          - Increment/Decrement
+ *              StateList       - List the state will be added to
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Create a new state and push it
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiUtCreateUpdateStateAndPush (
+    ACPI_OPERAND_OBJECT     *Object,
+    UINT16                  Action,
+    ACPI_GENERIC_STATE      **StateList)
+{
+    ACPI_GENERIC_STATE       *State;
+
+
+    ACPI_FUNCTION_ENTRY ();
+
+
+    /* Ignore null objects; these are expected */
+
+    if (!Object)
+    {
+        return (AE_OK);
+    }
+
+    State = AcpiUtCreateUpdateState (Object, Action);
+    if (!State)
+    {
+        return (AE_NO_MEMORY);
+    }
+
+
+    AcpiUtPushGenericState (StateList, State);
+    return (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtCreatePkgStateAndPush
+ *
+ * PARAMETERS:  *Object         - Object to be added to the new state
+ *              Action          - Increment/Decrement
+ *              StateList       - List the state will be added to
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Create a new state and push it
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiUtCreatePkgStateAndPush (
+    void                    *InternalObject,
+    void                    *ExternalObject,
+    UINT16                  Index,
+    ACPI_GENERIC_STATE      **StateList)
+{
+    ACPI_GENERIC_STATE       *State;
+
+
+    ACPI_FUNCTION_ENTRY ();
+
+
+    State = AcpiUtCreatePkgState (InternalObject, ExternalObject, Index);
+    if (!State)
+    {
+        return (AE_NO_MEMORY);
+    }
+
+
+    AcpiUtPushGenericState (StateList, State);
+    return (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtPushGenericState
+ *
+ * PARAMETERS:  ListHead            - Head of the state stack
+ *              State               - State object to push
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Push a state object onto a state stack
+ *
+ ******************************************************************************/
+
+void
+AcpiUtPushGenericState (
+    ACPI_GENERIC_STATE      **ListHead,
+    ACPI_GENERIC_STATE      *State)
+{
+    ACPI_FUNCTION_TRACE ("UtPushGenericState");
+
+
+    /* Push the state object onto the front of the list (stack) */
+
+    State->Common.Next = *ListHead;
+    *ListHead = State;
+
+    return_VOID;
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtPopGenericState
+ *
+ * PARAMETERS:  ListHead            - Head of the state stack
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Pop a state object from a state stack
+ *
+ ******************************************************************************/
+
+ACPI_GENERIC_STATE *
+AcpiUtPopGenericState (
+    ACPI_GENERIC_STATE      **ListHead)
+{
+    ACPI_GENERIC_STATE      *State;
+
+
+    ACPI_FUNCTION_TRACE ("UtPopGenericState");
+
+
+    /* Remove the state object at the head of the list (stack) */
+
+    State = *ListHead;
+    if (State)
+    {
+        /* Update the list head */
+
+        *ListHead = State->Common.Next;
+    }
+
+    return_PTR (State);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtCreateGenericState
+ *
+ * PARAMETERS:  None
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Create a generic state object.  Attempt to obtain one from
+ *              the global state cache;  If none available, create a new one.
+ *
+ ******************************************************************************/
+
+ACPI_GENERIC_STATE *
+AcpiUtCreateGenericState (void)
+{
+    ACPI_GENERIC_STATE      *State;
+
+
+    ACPI_FUNCTION_ENTRY ();
+
+
+    State = AcpiUtAcquireFromCache (ACPI_MEM_LIST_STATE);
+
+    /* Initialize */
+
+    if (State)
+    {
+        State->Common.DataType = ACPI_DESC_TYPE_STATE;
+    }
+
+    return (State);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtCreateThreadState
+ *
+ * PARAMETERS:  None
+ *
+ * RETURN:      Thread State
+ *
+ * DESCRIPTION: Create a "Thread State" - a flavor of the generic state used
+ *              to track per-thread info during method execution
+ *
+ ******************************************************************************/
+
+ACPI_THREAD_STATE *
+AcpiUtCreateThreadState (
+    void)
+{
+    ACPI_GENERIC_STATE      *State;
+
+
+    ACPI_FUNCTION_TRACE ("UtCreateThreadState");
+
+
+    /* Create the generic state object */
+
+    State = AcpiUtCreateGenericState ();
+    if (!State)
+    {
+        return_PTR (NULL);
+    }
+
+    /* Init fields specific to the update struct */
+
+    State->Common.DataType = ACPI_DESC_TYPE_STATE_THREAD;
+    State->Thread.ThreadId = AcpiOsGetThreadId ();
+
+    return_PTR ((ACPI_THREAD_STATE *) State);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtCreateUpdateState
+ *
+ * PARAMETERS:  Object              - Initial Object to be installed in the
+ *                                    state
+ *              Action              - Update action to be performed
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Create an "Update State" - a flavor of the generic state used
+ *              to update reference counts and delete complex objects such
+ *              as packages.
+ *
+ ******************************************************************************/
+
+ACPI_GENERIC_STATE *
+AcpiUtCreateUpdateState (
+    ACPI_OPERAND_OBJECT     *Object,
+    UINT16                  Action)
+{
+    ACPI_GENERIC_STATE      *State;
+
+
+    ACPI_FUNCTION_TRACE_PTR ("UtCreateUpdateState", Object);
+
+
+    /* Create the generic state object */
+
+    State = AcpiUtCreateGenericState ();
+    if (!State)
+    {
+        return_PTR (NULL);
+    }
+
+    /* Init fields specific to the update struct */
+
+    State->Common.DataType = ACPI_DESC_TYPE_STATE_UPDATE;
+    State->Update.Object = Object;
+    State->Update.Value  = Action;
+
+    return_PTR (State);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtCreatePkgState
+ *
+ * PARAMETERS:  Object              - Initial Object to be installed in the
+ *                                    state
+ *              Action              - Update action to be performed
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Create a "Package State"
+ *
+ ******************************************************************************/
+
+ACPI_GENERIC_STATE *
+AcpiUtCreatePkgState (
+    void                    *InternalObject,
+    void                    *ExternalObject,
+    UINT16                  Index)
+{
+    ACPI_GENERIC_STATE      *State;
+
+
+    ACPI_FUNCTION_TRACE_PTR ("UtCreatePkgState", InternalObject);
+
+
+    /* Create the generic state object */
+
+    State = AcpiUtCreateGenericState ();
+    if (!State)
+    {
+        return_PTR (NULL);
+    }
+
+    /* Init fields specific to the update struct */
+
+    State->Common.DataType  = ACPI_DESC_TYPE_STATE_PACKAGE;
+    State->Pkg.SourceObject = (ACPI_OPERAND_OBJECT *) InternalObject;
+    State->Pkg.DestObject   = ExternalObject;
+    State->Pkg.Index        = Index;
+    State->Pkg.NumPackages  = 1;
+
+    return_PTR (State);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtCreateControlState
+ *
+ * PARAMETERS:  None
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Create a "Control State" - a flavor of the generic state used
+ *              to support nested IF/WHILE constructs in the AML.
+ *
+ ******************************************************************************/
+
+ACPI_GENERIC_STATE *
+AcpiUtCreateControlState (
+    void)
+{
+    ACPI_GENERIC_STATE      *State;
+
+
+    ACPI_FUNCTION_TRACE ("UtCreateControlState");
+
+
+    /* Create the generic state object */
+
+    State = AcpiUtCreateGenericState ();
+    if (!State)
+    {
+        return_PTR (NULL);
+    }
+
+
+    /* Init fields specific to the control struct */
+
+    State->Common.DataType  = ACPI_DESC_TYPE_STATE_CONTROL;
+    State->Common.State     = ACPI_CONTROL_CONDITIONAL_EXECUTING;
+
+    return_PTR (State);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtDeleteGenericState
+ *
+ * PARAMETERS:  State               - The state object to be deleted
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Put a state object back into the global state cache.  The object
+ *              is not actually freed at this time.
+ *
+ ******************************************************************************/
+
+void
+AcpiUtDeleteGenericState (
+    ACPI_GENERIC_STATE      *State)
+{
+    ACPI_FUNCTION_TRACE ("UtDeleteGenericState");
+
+
+    AcpiUtReleaseToCache (ACPI_MEM_LIST_STATE, State);
+    return_VOID;
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtDeleteGenericStateCache
+ *
+ * PARAMETERS:  None
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Purge the global state object cache.  Used during subsystem
+ *              termination.
+ *
+ ******************************************************************************/
+
+void
+AcpiUtDeleteGenericStateCache (
+    void)
+{
+    ACPI_FUNCTION_TRACE ("UtDeleteGenericStateCache");
+
+
+    AcpiUtDeleteGenericCache (ACPI_MEM_LIST_STATE);
+    return_VOID;
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtWalkPackageTree
+ *
+ * PARAMETERS:  ObjDesc         - The Package object on which to resolve refs
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Walk through a package
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiUtWalkPackageTree (
+    ACPI_OPERAND_OBJECT     *SourceObject,
+    void                    *TargetObject,
+    ACPI_PKG_CALLBACK       WalkCallback,
+    void                    *Context)
+{
+    ACPI_STATUS             Status = AE_OK;
+    ACPI_GENERIC_STATE      *StateList = NULL;
+    ACPI_GENERIC_STATE      *State;
+    UINT32                  ThisIndex;
+    ACPI_OPERAND_OBJECT     *ThisSourceObj;
+
+
+    ACPI_FUNCTION_TRACE ("UtWalkPackageTree");
+
+
+    State = AcpiUtCreatePkgState (SourceObject, TargetObject, 0);
+    if (!State)
+    {
+        return_ACPI_STATUS (AE_NO_MEMORY);
+    }
+
+    while (State)
+    {
+        ThisIndex     = State->Pkg.Index;
+        ThisSourceObj = (ACPI_OPERAND_OBJECT *)
+                        State->Pkg.SourceObject->Package.Elements[ThisIndex];
+
+        /*
+         * Check for:
+         * 1) An uninitialized package element.  It is completely
+         *    legal to declare a package and leave it uninitialized
+         * 2) Not an internal object - can be a namespace node instead
+         * 3) Any type other than a package.  Packages are handled in else
+         *    case below.
+         */
+        if ((!ThisSourceObj) ||
+            (ACPI_GET_DESCRIPTOR_TYPE (ThisSourceObj) != ACPI_DESC_TYPE_OPERAND) ||
+            (ACPI_GET_OBJECT_TYPE (ThisSourceObj) != ACPI_TYPE_PACKAGE))
+        {
+            Status = WalkCallback (ACPI_COPY_TYPE_SIMPLE, ThisSourceObj,
+                                    State, Context);
+            if (ACPI_FAILURE (Status))
+            {
+                return_ACPI_STATUS (Status);
+            }
+
+            State->Pkg.Index++;
+            while (State->Pkg.Index >= State->Pkg.SourceObject->Package.Count)
+            {
+                /*
+                 * We've handled all of the objects at this level,  This means
+                 * that we have just completed a package.  That package may
+                 * have contained one or more packages itself.
+                 *
+                 * Delete this state and pop the previous state (package).
+                 */
+                AcpiUtDeleteGenericState (State);
+                State = AcpiUtPopGenericState (&StateList);
+
+                /* Finished when there are no more states */
+
+                if (!State)
+                {
+                    /*
+                     * We have handled all of the objects in the top level
+                     * package just add the length of the package objects
+                     * and exit
+                     */
+                    return_ACPI_STATUS (AE_OK);
+                }
+
+                /*
+                 * Go back up a level and move the index past the just
+                 * completed package object.
+                 */
+                State->Pkg.Index++;
+            }
+        }
+        else
+        {
+            /* This is a subobject of type package */
+
+            Status = WalkCallback (ACPI_COPY_TYPE_PACKAGE, ThisSourceObj,
+                                        State, Context);
+            if (ACPI_FAILURE (Status))
+            {
+                return_ACPI_STATUS (Status);
+            }
+
+            /*
+             * Push the current state and create a new one
+             * The callback above returned a new target package object.
+             */
+            AcpiUtPushGenericState (&StateList, State);
+            State = AcpiUtCreatePkgState (ThisSourceObj,
+                                            State->Pkg.ThisTargetObj, 0);
+            if (!State)
+            {
+                return_ACPI_STATUS (AE_NO_MEMORY);
+            }
+        }
+    }
+
+    /* We should never get here */
+
+    return_ACPI_STATUS (AE_AML_INTERNAL);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtGenerateChecksum
+ *
+ * PARAMETERS:  Buffer          - Buffer to be scanned
+ *              Length          - number of bytes to examine
+ *
+ * RETURN:      checksum
+ *
+ * DESCRIPTION: Generate a checksum on a raw buffer
+ *
+ ******************************************************************************/
+
+UINT8
+AcpiUtGenerateChecksum (
+    UINT8                   *Buffer,
+    UINT32                  Length)
+{
+    UINT32                  i;
+    signed char             Sum = 0;
+
+    for (i = 0; i < Length; i++)
+    {
+        Sum = (signed char) (Sum + Buffer[i]);
+    }
+
+    return ((UINT8) (0 - Sum));
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtGetResourceEndTag
+ *
+ * PARAMETERS:  ObjDesc         - The resource template buffer object
+ *
+ * RETURN:      Pointer to the end tag
+ *
+ * DESCRIPTION: Find the END_TAG resource descriptor in a resource template
+ *
+ ******************************************************************************/
+
+
+UINT8 *
+AcpiUtGetResourceEndTag (
+    ACPI_OPERAND_OBJECT     *ObjDesc)
+{
+    UINT8                   BufferByte;
+    UINT8                   *Buffer;
+    UINT8                   *EndBuffer;
+
+
+    Buffer    = ObjDesc->Buffer.Pointer;
+    EndBuffer = Buffer + ObjDesc->Buffer.Length;
+
+    while (Buffer < EndBuffer)
+    {
+        BufferByte = *Buffer;
+        if (BufferByte & ACPI_RDESC_TYPE_MASK)
+        {
+            /* Large Descriptor - Length is next 2 bytes */
+
+            Buffer += ((*(Buffer+1) | (*(Buffer+2) << 8)) + 3);
+        }
+        else
+        {
+            /* Small Descriptor.  End Tag will be found here */
+
+            if ((BufferByte & ACPI_RDESC_SMALL_MASK) == ACPI_RDESC_TYPE_END_TAG)
+            {
+                /* Found the end tag descriptor, all done. */
+
+                return (Buffer);
+            }
+
+            /* Length is in the header */
+
+            Buffer += ((BufferByte & 0x07) + 1);
+        }
+    }
+
+    /* End tag not found */
+
+    return (NULL);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtReportError
+ *
+ * PARAMETERS:  ModuleName          - Caller's module name (for error output)
+ *              LineNumber          - Caller's line number (for error output)
+ *              ComponentId         - Caller's component ID (for error output)
+ *              Message             - Error message to use on failure
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Print error message
+ *
+ ******************************************************************************/
+
+void
+AcpiUtReportError (
+    NATIVE_CHAR             *ModuleName,
+    UINT32                  LineNumber,
+    UINT32                  ComponentId)
+{
+
+
+    AcpiOsPrintf ("%8s-%04d: *** Error: ", ModuleName, LineNumber);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtReportWarning
+ *
+ * PARAMETERS:  ModuleName          - Caller's module name (for error output)
+ *              LineNumber          - Caller's line number (for error output)
+ *              ComponentId         - Caller's component ID (for error output)
+ *              Message             - Error message to use on failure
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Print warning message
+ *
+ ******************************************************************************/
+
+void
+AcpiUtReportWarning (
+    NATIVE_CHAR             *ModuleName,
+    UINT32                  LineNumber,
+    UINT32                  ComponentId)
+{
+
+    AcpiOsPrintf ("%8s-%04d: *** Warning: ", ModuleName, LineNumber);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtReportInfo
+ *
+ * PARAMETERS:  ModuleName          - Caller's module name (for error output)
+ *              LineNumber          - Caller's line number (for error output)
+ *              ComponentId         - Caller's component ID (for error output)
+ *              Message             - Error message to use on failure
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Print information message
+ *
+ ******************************************************************************/
+
+void
+AcpiUtReportInfo (
+    NATIVE_CHAR             *ModuleName,
+    UINT32                  LineNumber,
+    UINT32                  ComponentId)
+{
+
+    AcpiOsPrintf ("%8s-%04d: *** Info: ", ModuleName, LineNumber);
+}
+
+
+
diff --git a/sys/contrib/dev/acpica/utobject.c b/sys/contrib/dev/acpica/utobject.c
new file mode 100644
index 0000000..67283a0
--- /dev/null
+++ b/sys/contrib/dev/acpica/utobject.c
@@ -0,0 +1,721 @@
+/******************************************************************************
+ *
+ * Module Name: utobject - ACPI object create/delete/size/cache routines
+ *              $Revision: 79 $
+ *
+ *****************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+#define __UTOBJECT_C__
+
+#include "acpi.h"
+#include "acnamesp.h"
+#include "amlcode.h"
+
+
+#define _COMPONENT          ACPI_UTILITIES
+        ACPI_MODULE_NAME    ("utobject")
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtCreateInternalObjectDbg
+ *
+ * PARAMETERS:  ModuleName          - Source file name of caller
+ *              LineNumber          - Line number of caller
+ *              ComponentId         - Component type of caller
+ *              Type                - ACPI Type of the new object
+ *
+ * RETURN:      Object              - The new object.  Null on failure
+ *
+ * DESCRIPTION: Create and initialize a new internal object.
+ *
+ * NOTE:        We always allocate the worst-case object descriptor because
+ *              these objects are cached, and we want them to be
+ *              one-size-satisifies-any-request.  This in itself may not be
+ *              the most memory efficient, but the efficiency of the object
+ *              cache should more than make up for this!
+ *
+ ******************************************************************************/
+
+ACPI_OPERAND_OBJECT  *
+AcpiUtCreateInternalObjectDbg (
+    NATIVE_CHAR             *ModuleName,
+    UINT32                  LineNumber,
+    UINT32                  ComponentId,
+    ACPI_OBJECT_TYPE        Type)
+{
+    ACPI_OPERAND_OBJECT     *Object;
+    ACPI_OPERAND_OBJECT     *SecondObject;
+
+
+    ACPI_FUNCTION_TRACE_STR ("UtCreateInternalObjectDbg", AcpiUtGetTypeName (Type));
+
+
+    /* Allocate the raw object descriptor */
+
+    Object = AcpiUtAllocateObjectDescDbg (ModuleName, LineNumber, ComponentId);
+    if (!Object)
+    {
+        return_PTR (NULL);
+    }
+
+    switch (Type)
+    {
+    case ACPI_TYPE_REGION:
+    case ACPI_TYPE_BUFFER_FIELD:
+
+        /* These types require a secondary object */
+
+        SecondObject = AcpiUtAllocateObjectDescDbg (ModuleName, LineNumber, ComponentId);
+        if (!SecondObject)
+        {
+            AcpiUtDeleteObjectDesc (Object);
+            return_PTR (NULL);
+        }
+
+        SecondObject->Common.Type = ACPI_TYPE_LOCAL_EXTRA;
+        SecondObject->Common.ReferenceCount = 1;
+
+        /* Link the second object to the first */
+
+        Object->Common.NextObject = SecondObject;
+        break;
+
+    default:
+        /* All others have no secondary object */
+        break;
+    }
+
+    /* Save the object type in the object descriptor */
+
+    Object->Common.Type = (UINT8) Type;
+
+    /* Init the reference count */
+
+    Object->Common.ReferenceCount = 1;
+
+    /* Any per-type initialization should go here */
+
+    return_PTR (Object);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtCreateBufferObject
+ *
+ * PARAMETERS:  BufferSize             - Size of buffer to be created
+ *
+ * RETURN:      Pointer to a new Buffer object
+ *
+ * DESCRIPTION: Create a fully initialized buffer object
+ *
+ ******************************************************************************/
+
+ACPI_OPERAND_OBJECT *
+AcpiUtCreateBufferObject (
+    ACPI_SIZE               BufferSize)
+{
+    ACPI_OPERAND_OBJECT     *BufferDesc;
+    UINT8                   *Buffer;
+
+
+    ACPI_FUNCTION_TRACE_U32 ("UtCreateBufferObject", BufferSize);
+
+
+    /*
+     * Create a new Buffer object
+     */
+    BufferDesc = AcpiUtCreateInternalObject (ACPI_TYPE_BUFFER);
+    if (!BufferDesc)
+    {
+        return_PTR (NULL);
+    }
+
+    /* Allocate the actual buffer */
+
+    Buffer = ACPI_MEM_CALLOCATE (BufferSize);
+    if (!Buffer)
+    {
+        ACPI_REPORT_ERROR (("CreateBuffer: could not allocate size %X\n", 
+            (UINT32) BufferSize));
+        AcpiUtRemoveReference (BufferDesc);
+        return_PTR (NULL);
+    }
+
+    /* Complete buffer object initialization */
+
+    BufferDesc->Buffer.Flags |= AOPOBJ_DATA_VALID;
+    BufferDesc->Buffer.Pointer = Buffer;
+    BufferDesc->Buffer.Length = (UINT32) BufferSize;
+
+    /* Return the new buffer descriptor */
+
+    return_PTR (BufferDesc);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtValidInternalObject
+ *
+ * PARAMETERS:  Object              - Object to be validated
+ *
+ * RETURN:      Validate a pointer to be an ACPI_OPERAND_OBJECT
+ *
+ ******************************************************************************/
+
+BOOLEAN
+AcpiUtValidInternalObject (
+    void                    *Object)
+{
+
+    ACPI_FUNCTION_NAME ("UtValidInternalObject");
+
+
+    /* Check for a null pointer */
+
+    if (!Object)
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "**** Null Object Ptr\n"));
+        return (FALSE);
+    }
+
+    /* Check the descriptor type field */
+
+    switch (ACPI_GET_DESCRIPTOR_TYPE (Object))
+    {
+    case ACPI_DESC_TYPE_OPERAND:
+
+        /* The object appears to be a valid ACPI_OPERAND_OBJECT  */
+
+        return (TRUE);
+
+    case ACPI_DESC_TYPE_NAMED:
+
+        ACPI_DEBUG_PRINT ((ACPI_DB_INFO,
+            "**** Obj %p is a named obj, not ACPI obj\n", Object));
+        break;
+
+    case ACPI_DESC_TYPE_PARSER:
+
+        ACPI_DEBUG_PRINT ((ACPI_DB_INFO,
+            "**** Obj %p is a parser obj, not ACPI obj\n", Object));
+        break;
+
+    case ACPI_DESC_TYPE_CACHED:
+
+        ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+            "**** Obj %p has already been released to internal cache\n", Object));
+        break;
+
+    default:
+
+        ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+            "**** Obj %p has unknown descriptor type %X\n", Object,
+            ACPI_GET_DESCRIPTOR_TYPE (Object)));
+        break;
+    }
+
+    return (FALSE);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtAllocateObjectDescDbg
+ *
+ * PARAMETERS:  ModuleName          - Caller's module name (for error output)
+ *              LineNumber          - Caller's line number (for error output)
+ *              ComponentId         - Caller's component ID (for error output)
+ *
+ * RETURN:      Pointer to newly allocated object descriptor.  Null on error
+ *
+ * DESCRIPTION: Allocate a new object descriptor.  Gracefully handle
+ *              error conditions.
+ *
+ ******************************************************************************/
+
+void *
+AcpiUtAllocateObjectDescDbg (
+    NATIVE_CHAR             *ModuleName,
+    UINT32                  LineNumber,
+    UINT32                  ComponentId)
+{
+    ACPI_OPERAND_OBJECT     *Object;
+
+
+    ACPI_FUNCTION_TRACE ("UtAllocateObjectDescDbg");
+
+
+    Object = AcpiUtAcquireFromCache (ACPI_MEM_LIST_OPERAND);
+    if (!Object)
+    {
+        _ACPI_REPORT_ERROR (ModuleName, LineNumber, ComponentId,
+                        ("Could not allocate an object descriptor\n"));
+
+        return_PTR (NULL);
+    }
+
+    /* Mark the descriptor type */
+
+    ACPI_SET_DESCRIPTOR_TYPE (Object, ACPI_DESC_TYPE_OPERAND);
+
+    ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, "%p Size %X\n",
+            Object, (UINT32) sizeof (ACPI_OPERAND_OBJECT)));
+
+    return_PTR (Object);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtDeleteObjectDesc
+ *
+ * PARAMETERS:  Object          - An Acpi internal object to be deleted
+ *
+ * RETURN:      None.
+ *
+ * DESCRIPTION: Free an ACPI object descriptor or add it to the object cache
+ *
+ ******************************************************************************/
+
+void
+AcpiUtDeleteObjectDesc (
+    ACPI_OPERAND_OBJECT     *Object)
+{
+    ACPI_FUNCTION_TRACE_PTR ("UtDeleteObjectDesc", Object);
+
+
+    /* Object must be an ACPI_OPERAND_OBJECT  */
+
+    if (ACPI_GET_DESCRIPTOR_TYPE (Object) != ACPI_DESC_TYPE_OPERAND)
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+            "Obj %p is not an ACPI object\n", Object));
+        return_VOID;
+    }
+
+    AcpiUtReleaseToCache (ACPI_MEM_LIST_OPERAND, Object);
+
+    return_VOID;
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtDeleteObjectCache
+ *
+ * PARAMETERS:  None
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Purge the global state object cache.  Used during subsystem
+ *              termination.
+ *
+ ******************************************************************************/
+
+void
+AcpiUtDeleteObjectCache (
+    void)
+{
+    ACPI_FUNCTION_TRACE ("UtDeleteObjectCache");
+
+
+    AcpiUtDeleteGenericCache (ACPI_MEM_LIST_OPERAND);
+    return_VOID;
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtGetSimpleObjectSize
+ *
+ * PARAMETERS:  *InternalObject     - Pointer to the object we are examining
+ *              *ObjLength          - Where the length is returned
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: This function is called to determine the space required to
+ *              contain a simple object for return to an external user.
+ *
+ *              The length includes the object structure plus any additional
+ *              needed space.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiUtGetSimpleObjectSize (
+    ACPI_OPERAND_OBJECT     *InternalObject,
+    ACPI_SIZE               *ObjLength)
+{
+    ACPI_SIZE               Length;
+    ACPI_STATUS             Status = AE_OK;
+
+
+    ACPI_FUNCTION_TRACE_PTR ("UtGetSimpleObjectSize", InternalObject);
+
+
+    /* Handle a null object (Could be a uninitialized package element -- which is legal) */
+
+    if (!InternalObject)
+    {
+        *ObjLength = 0;
+        return_ACPI_STATUS (AE_OK);
+    }
+
+    /* Start with the length of the Acpi object */
+
+    Length = sizeof (ACPI_OBJECT);
+
+    if (ACPI_GET_DESCRIPTOR_TYPE (InternalObject) == ACPI_DESC_TYPE_NAMED)
+    {
+        /* Object is a named object (reference), just return the length */
+
+        *ObjLength = ACPI_ROUND_UP_TO_NATIVE_WORD (Length);
+        return_ACPI_STATUS (Status);
+    }
+
+    /*
+     * The final length depends on the object type
+     * Strings and Buffers are packed right up against the parent object and
+     * must be accessed bytewise or there may be alignment problems on
+     * certain processors
+     */
+    switch (ACPI_GET_OBJECT_TYPE (InternalObject))
+    {
+    case ACPI_TYPE_STRING:
+
+        Length += (ACPI_SIZE) InternalObject->String.Length + 1;
+        break;
+
+
+    case ACPI_TYPE_BUFFER:
+
+        Length += (ACPI_SIZE) InternalObject->Buffer.Length;
+        break;
+
+
+    case ACPI_TYPE_INTEGER:
+    case ACPI_TYPE_PROCESSOR:
+    case ACPI_TYPE_POWER:
+
+        /*
+         * No extra data for these types
+         */
+        break;
+
+
+    case ACPI_TYPE_LOCAL_REFERENCE:
+
+        switch (InternalObject->Reference.Opcode)
+        {
+        case AML_INT_NAMEPATH_OP:
+
+            /*
+             * Get the actual length of the full pathname to this object.
+             * The reference will be converted to the pathname to the object
+             */
+            Length += ACPI_ROUND_UP_TO_NATIVE_WORD (AcpiNsGetPathnameLength (InternalObject->Reference.Node));
+            break;
+
+        default:
+
+            /*
+             * No other reference opcodes are supported.
+             * Notably, Locals and Args are not supported, but this may be
+             * required eventually.
+             */
+            ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+                "Unsupported Reference opcode=%X in object %p\n",
+                InternalObject->Reference.Opcode, InternalObject));
+            Status = AE_TYPE;
+            break;
+        }
+        break;
+
+
+    default:
+
+        ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Unsupported type=%X in object %p\n",
+            ACPI_GET_OBJECT_TYPE (InternalObject), InternalObject));
+        Status = AE_TYPE;
+        break;
+    }
+
+    /*
+     * Account for the space required by the object rounded up to the next
+     * multiple of the machine word size.  This keeps each object aligned
+     * on a machine word boundary. (preventing alignment faults on some
+     * machines.)
+     */
+    *ObjLength = ACPI_ROUND_UP_TO_NATIVE_WORD (Length);
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtGetElementLength
+ *
+ * PARAMETERS:  ACPI_PKG_CALLBACK
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Get the length of one package element.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiUtGetElementLength (
+    UINT8                   ObjectType,
+    ACPI_OPERAND_OBJECT     *SourceObject,
+    ACPI_GENERIC_STATE      *State,
+    void                    *Context)
+{
+    ACPI_STATUS             Status = AE_OK;
+    ACPI_PKG_INFO           *Info = (ACPI_PKG_INFO *) Context;
+    ACPI_SIZE               ObjectSpace;
+
+
+    switch (ObjectType)
+    {
+    case ACPI_COPY_TYPE_SIMPLE:
+
+        /*
+         * Simple object - just get the size (Null object/entry is handled
+         * here also) and sum it into the running package length
+         */
+        Status = AcpiUtGetSimpleObjectSize (SourceObject, &ObjectSpace);
+        if (ACPI_FAILURE (Status))
+        {
+            return (Status);
+        }
+
+        Info->Length += ObjectSpace;
+        break;
+
+
+    case ACPI_COPY_TYPE_PACKAGE:
+
+        /* Package object - nothing much to do here, let the walk handle it */
+
+        Info->NumPackages++;
+        State->Pkg.ThisTargetObj = NULL;
+        break;
+
+
+    default:
+
+        /* No other types allowed */
+
+        return (AE_BAD_PARAMETER);
+    }
+
+    return (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtGetPackageObjectSize
+ *
+ * PARAMETERS:  *InternalObject     - Pointer to the object we are examining
+ *              *ObjLength          - Where the length is returned
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: This function is called to determine the space required to
+ *              contain a package object for return to an external user.
+ *
+ *              This is moderately complex since a package contains other
+ *              objects including packages.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiUtGetPackageObjectSize (
+    ACPI_OPERAND_OBJECT     *InternalObject,
+    ACPI_SIZE               *ObjLength)
+{
+    ACPI_STATUS             Status;
+    ACPI_PKG_INFO           Info;
+
+
+    ACPI_FUNCTION_TRACE_PTR ("UtGetPackageObjectSize", InternalObject);
+
+
+    Info.Length      = 0;
+    Info.ObjectSpace = 0;
+    Info.NumPackages = 1;
+
+    Status = AcpiUtWalkPackageTree (InternalObject, NULL,
+                            AcpiUtGetElementLength, &Info);
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    /*
+     * We have handled all of the objects in all levels of the package.
+     * just add the length of the package objects themselves.
+     * Round up to the next machine word.
+     */
+    Info.Length += ACPI_ROUND_UP_TO_NATIVE_WORD (sizeof (ACPI_OBJECT)) *
+                    (ACPI_SIZE) Info.NumPackages;
+
+    /* Return the total package length */
+
+    *ObjLength = Info.Length;
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtGetObjectSize
+ *
+ * PARAMETERS:  *InternalObject     - Pointer to the object we are examining
+ *              *ObjLength          - Where the length will be returned
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: This function is called to determine the space required to
+ *              contain an object for return to an API user.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiUtGetObjectSize(
+    ACPI_OPERAND_OBJECT     *InternalObject,
+    ACPI_SIZE               *ObjLength)
+{
+    ACPI_STATUS             Status;
+
+
+    ACPI_FUNCTION_ENTRY ();
+
+
+    if ((ACPI_GET_DESCRIPTOR_TYPE (InternalObject) == ACPI_DESC_TYPE_OPERAND) &&
+        (ACPI_GET_OBJECT_TYPE (InternalObject) == ACPI_TYPE_PACKAGE))
+    {
+        Status = AcpiUtGetPackageObjectSize (InternalObject, ObjLength);
+    }
+    else
+    {
+        Status = AcpiUtGetSimpleObjectSize (InternalObject, ObjLength);
+    }
+
+    return (Status);
+}
+
+
diff --git a/sys/contrib/dev/acpica/utxface.c b/sys/contrib/dev/acpica/utxface.c
new file mode 100644
index 0000000..99c312c
--- /dev/null
+++ b/sys/contrib/dev/acpica/utxface.c
@@ -0,0 +1,602 @@
+/******************************************************************************
+ *
+ * Module Name: utxface - External interfaces for "global" ACPI functions
+ *              $Revision: 100 $
+ *
+ *****************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights.  You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code.  No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision.  In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change.  Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee.  Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution.  In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government.  In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+
+#define __UTXFACE_C__
+
+#include "acpi.h"
+#include "acevents.h"
+#include "acnamesp.h"
+#include "acparser.h"
+#include "acdispat.h"
+#include "acdebug.h"
+
+#define _COMPONENT          ACPI_UTILITIES
+        ACPI_MODULE_NAME    ("utxface")
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiInitializeSubsystem
+ *
+ * PARAMETERS:  None
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Initializes all global variables.  This is the first function
+ *              called, so any early initialization belongs here.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiInitializeSubsystem (
+    void)
+{
+    ACPI_STATUS             Status;
+
+    ACPI_FUNCTION_TRACE ("AcpiInitializeSubsystem");
+
+
+    ACPI_DEBUG_EXEC (AcpiUtInitStackPtrTrace ());
+
+
+    /* Initialize all globals used by the subsystem */
+
+    AcpiUtInitGlobals ();
+
+    /* Initialize the OS-Dependent layer */
+
+    Status = AcpiOsInitialize ();
+    if (ACPI_FAILURE (Status))
+    {
+        ACPI_REPORT_ERROR (("OSD failed to initialize, %s\n",
+            AcpiFormatException (Status)));
+        return_ACPI_STATUS (Status);
+    }
+
+    /* Create the default mutex objects */
+
+    Status = AcpiUtMutexInitialize ();
+    if (ACPI_FAILURE (Status))
+    {
+        ACPI_REPORT_ERROR (("Global mutex creation failure, %s\n",
+            AcpiFormatException (Status)));
+        return_ACPI_STATUS (Status);
+    }
+
+    /*
+     * Initialize the namespace manager and
+     * the root of the namespace tree
+     */
+
+    Status = AcpiNsRootInitialize ();
+    if (ACPI_FAILURE (Status))
+    {
+        ACPI_REPORT_ERROR (("Namespace initialization failure, %s\n",
+            AcpiFormatException (Status)));
+        return_ACPI_STATUS (Status);
+    }
+
+
+    /* If configured, initialize the AML debugger */
+
+    ACPI_DEBUGGER_EXEC (Status = AcpiDbInitialize ());
+
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiEnableSubsystem
+ *
+ * PARAMETERS:  Flags           - Init/enable Options
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Completes the subsystem initialization including hardware.
+ *              Puts system into ACPI mode if it isn't already.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiEnableSubsystem (
+    UINT32                  Flags)
+{
+    ACPI_STATUS             Status = AE_OK;
+
+
+    ACPI_FUNCTION_TRACE ("AcpiEnableSubsystem");
+
+
+    /*
+     * Install the default OpRegion handlers.  These are installed unless
+     * other handlers have already been installed via the
+     * InstallAddressSpaceHandler interface
+     */
+    if (!(Flags & ACPI_NO_ADDRESS_SPACE_INIT))
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "[Init] Installing default address space handlers\n"));
+
+        Status = AcpiEvInitAddressSpaces ();
+        if (ACPI_FAILURE (Status))
+        {
+            return_ACPI_STATUS (Status);
+        }
+    }
+
+    /*
+     * We must initialize the hardware before we can enable ACPI.
+     * FADT values are validated here.
+     */
+    if (!(Flags & ACPI_NO_HARDWARE_INIT))
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "[Init] Initializing ACPI hardware\n"));
+
+        Status = AcpiHwInitialize ();
+        if (ACPI_FAILURE (Status))
+        {
+            return_ACPI_STATUS (Status);
+        }
+    }
+
+    /*
+     * Enable ACPI on this platform
+     */
+    if (!(Flags & ACPI_NO_ACPI_ENABLE))
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "[Init] Going into ACPI mode\n"));
+
+        AcpiGbl_OriginalMode = AcpiHwGetMode();
+
+        Status = AcpiEnable ();
+        if (ACPI_FAILURE (Status))
+        {
+            ACPI_DEBUG_PRINT ((ACPI_DB_WARN, "AcpiEnable failed.\n"));
+            return_ACPI_STATUS (Status);
+        }
+    }
+
+    /*
+     * Note:
+     * We must have the hardware AND events initialized before we can execute
+     * ANY control methods SAFELY.  Any control method can require ACPI hardware
+     * support, so the hardware MUST be initialized before execution!
+     */
+    if (!(Flags & ACPI_NO_EVENT_INIT))
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "[Init] Initializing ACPI events\n"));
+
+        Status = AcpiEvInitialize ();
+        if (ACPI_FAILURE (Status))
+        {
+            return_ACPI_STATUS (Status);
+        }
+    }
+
+    /* Install SCI handler, Global Lock handler, GPE handlers */
+
+    if (!(Flags & ACPI_NO_HANDLER_INIT))
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "[Init] Installing SCI/GL/GPE handlers\n"));
+
+        Status = AcpiEvHandlerInitialize ();
+        if (ACPI_FAILURE (Status))
+        {
+            return_ACPI_STATUS (Status);
+        }
+    }
+
+    return_ACPI_STATUS (Status);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiInitializeObjects
+ *
+ * PARAMETERS:  Flags           - Init/enable Options
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Completes namespace initialization by initializing device
+ *              objects and executing AML code for Regions, buffers, etc.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiInitializeObjects (
+    UINT32                  Flags)
+{
+    ACPI_STATUS             Status = AE_OK;
+
+
+    ACPI_FUNCTION_TRACE ("AcpiInitializeObjects");
+
+    /*
+     * Initialize all device objects in the namespace
+     * This runs the _STA and _INI methods.
+     */
+    if (!(Flags & ACPI_NO_DEVICE_INIT))
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "[Init] Initializing ACPI Devices\n"));
+
+        Status = AcpiNsInitializeDevices ();
+        if (ACPI_FAILURE (Status))
+        {
+            return_ACPI_STATUS (Status);
+        }
+    }
+
+    /*
+     * Initialize the objects that remain uninitialized.  This
+     * runs the executable AML that is part of the declaration of OpRegions
+     * and Fields.
+     */
+    if (!(Flags & ACPI_NO_OBJECT_INIT))
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "[Init] Initializing ACPI Objects\n"));
+
+        Status = AcpiNsInitializeObjects ();
+        if (ACPI_FAILURE (Status))
+        {
+            return_ACPI_STATUS (Status);
+        }
+    }
+
+    /*
+     * Empty the caches (delete the cached objects) on the assumption that
+     * the table load filled them up more than they will be at runtime --
+     * thus wasting non-paged memory.
+     */
+    Status = AcpiPurgeCachedObjects ();
+
+    AcpiGbl_StartupFlags |= ACPI_INITIALIZED_OK;
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiTerminate
+ *
+ * PARAMETERS:  None
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Shutdown the ACPI subsystem.  Release all resources.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiTerminate (void)
+{
+    ACPI_STATUS         Status;
+
+
+    ACPI_FUNCTION_TRACE ("AcpiTerminate");
+
+
+    /* Terminate the AML Debugger if present */
+
+    ACPI_DEBUGGER_EXEC(AcpiGbl_DbTerminateThreads = TRUE);
+
+    /* Shutdown and free all resources */
+
+    AcpiUtSubsystemShutdown ();
+
+
+    /* Free the mutex objects */
+
+    AcpiUtMutexTerminate ();
+
+
+#ifdef ACPI_DEBUGGER
+
+    /* Shut down the debugger */
+
+    AcpiDbTerminate ();
+#endif
+
+    /* Now we can shutdown the OS-dependent layer */
+
+    Status = AcpiOsTerminate ();
+    return_ACPI_STATUS (Status);
+}
+
+
+/*****************************************************************************
+ *
+ * FUNCTION:    AcpiSubsystemStatus
+ *
+ * PARAMETERS:  None
+ *
+ * RETURN:      Status of the ACPI subsystem
+ *
+ * DESCRIPTION: Other drivers that use the ACPI subsystem should call this
+ *              before making any other calls, to ensure the subsystem initial-
+ *              ized successfully.
+ *
+ ****************************************************************************/
+
+ACPI_STATUS
+AcpiSubsystemStatus (void)
+{
+    if (AcpiGbl_StartupFlags & ACPI_INITIALIZED_OK)
+    {
+        return (AE_OK);
+    }
+    else
+    {
+        return (AE_ERROR);
+    }
+}
+
+
+/******************************************************************************
+ *
+ * FUNCTION:    AcpiGetSystemInfo
+ *
+ * PARAMETERS:  OutBuffer       - a pointer to a buffer to receive the
+ *                                resources for the device
+ *              BufferLength    - the number of bytes available in the buffer
+ *
+ * RETURN:      Status          - the status of the call
+ *
+ * DESCRIPTION: This function is called to get information about the current
+ *              state of the ACPI subsystem.  It will return system information
+ *              in the OutBuffer.
+ *
+ *              If the function fails an appropriate status will be returned
+ *              and the value of OutBuffer is undefined.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiGetSystemInfo (
+    ACPI_BUFFER             *OutBuffer)
+{
+    ACPI_SYSTEM_INFO        *InfoPtr;
+    UINT32                  i;
+    ACPI_STATUS             Status;
+
+
+    ACPI_FUNCTION_TRACE ("AcpiGetSystemInfo");
+
+
+    /* Parameter validation */
+
+    Status = AcpiUtValidateBuffer (OutBuffer);
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    /* Validate/Allocate/Clear caller buffer */
+
+    Status = AcpiUtInitializeBuffer (OutBuffer, sizeof (ACPI_SYSTEM_INFO));
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    /*
+     * Populate the return buffer
+     */
+    InfoPtr = (ACPI_SYSTEM_INFO *) OutBuffer->Pointer;
+
+    InfoPtr->AcpiCaVersion      = ACPI_CA_VERSION;
+
+    /* System flags (ACPI capabilities) */
+
+    InfoPtr->Flags              = ACPI_SYS_MODE_ACPI;
+
+    /* Timer resolution - 24 or 32 bits  */
+
+    if (!AcpiGbl_FADT)
+    {
+        InfoPtr->TimerResolution = 0;
+    }
+    else if (AcpiGbl_FADT->TmrValExt == 0)
+    {
+        InfoPtr->TimerResolution = 24;
+    }
+    else
+    {
+        InfoPtr->TimerResolution = 32;
+    }
+
+    /* Clear the reserved fields */
+
+    InfoPtr->Reserved1          = 0;
+    InfoPtr->Reserved2          = 0;
+
+    /* Current debug levels */
+
+    InfoPtr->DebugLayer         = AcpiDbgLayer;
+    InfoPtr->DebugLevel         = AcpiDbgLevel;
+
+    /* Current status of the ACPI tables, per table type */
+
+    InfoPtr->NumTableTypes = NUM_ACPI_TABLES;
+    for (i = 0; i < NUM_ACPI_TABLES; i++)
+    {
+        InfoPtr->TableInfo[i].Count = AcpiGbl_AcpiTables[i].Count;
+    }
+
+    return_ACPI_STATUS (AE_OK);
+}
+
+
+/*****************************************************************************
+ *
+ * FUNCTION:    AcpiInstallInitializationHandler
+ *
+ * PARAMETERS:  Handler             - Callback procedure
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Install an initialization handler
+ *
+ * TBD: When a second function is added, must save the Function also.
+ *
+ ****************************************************************************/
+
+ACPI_STATUS
+AcpiInstallInitializationHandler (
+    ACPI_INIT_HANDLER       Handler,
+    UINT32                  Function)
+{
+
+    if (!Handler)
+    {
+        return (AE_BAD_PARAMETER);
+    }
+
+    if (AcpiGbl_InitHandler)
+    {
+        return (AE_ALREADY_EXISTS);
+    }
+
+    AcpiGbl_InitHandler = Handler;
+    return AE_OK;
+}
+
+
+/*****************************************************************************
+ *
+ * FUNCTION:    AcpiPurgeCachedObjects
+ *
+ * PARAMETERS:  None
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Empty all caches (delete the cached objects)
+ *
+ ****************************************************************************/
+
+ACPI_STATUS
+AcpiPurgeCachedObjects (void)
+{
+    ACPI_FUNCTION_TRACE ("AcpiPurgeCachedObjects");
+
+
+    AcpiUtDeleteGenericStateCache ();
+    AcpiUtDeleteObjectCache ();
+    AcpiDsDeleteWalkStateCache ();
+    AcpiPsDeleteParseCache ();
+
+    return_ACPI_STATUS (AE_OK);
+}
diff --git a/sys/contrib/dev/fla/COPYRIGHT b/sys/contrib/dev/fla/COPYRIGHT
new file mode 100644
index 0000000..9618a67
--- /dev/null
+++ b/sys/contrib/dev/fla/COPYRIGHT
@@ -0,0 +1,102 @@
+
+SOFTWARE LICENSE AGREEMENT
+
+IMPORTANT! READ CAREFULLY: 
+THIS SOFTWARE LICENSE AGREEMENT (the ``Agreement'') is a legal 
+agreement between you (either an individual or a single entity) and 
+M-Systems Flash Disk Pioneers Ltd. ("M-Systems").  
+This Agreement relates to the M-Systems' software accompanying this 
+Agreement, which includes computer software and may include associated
+media, printed materials, and ``online'' or electronic documentation 
+(the ``Licensed Software'').  
+By downloading, installing, copying, or otherwise using the Licensed
+Software, you agree to be bound by the terms of this Agreement.
+If you do not agree to the terms of this Agreement, do not install, 
+copy or use the Licensed Software.
+
+The Licensed Software is protected by copyright laws and international
+copyright treaties, as well as other intellectual property laws and 
+treaties.  The Licensed Software is licensed, not sold.  
+The Licensed Software is being provided solely for use with M-Systems'
+DiskOnChip® product lines.
+1.	License Grant. 
+(a)	Grant of License. Subject to the terms and conditions of this 
+        Agreement, M-Systems hereby grants you a nonexclusive, 
+        royalty-free, worldwide license (including the right to 
+        sublicense) to use, copy and distribute the Licensed Software 
+        with M-Systems DiskOnChip® products.
+(b)	Restrictions on Use.  The Licensed Software is licensed solely
+        for use with and to support M-Systems' DiskOnChip® products. 
+        Use of this Licensed Software with, or to support, any other 
+        flash disk, flash card, resident flash array or solid state 
+        disk of any kind is expressly prohibited, and constitutes an 
+        illegal infringement of M-Systems' patent, copyright and other 
+        rights in and to the Licensed Software. 
+2.	Limitations on Reverse Engineering, Decompilation, and 
+        Disassembly.  You may not reverse engineer, decompile, or 
+        disassemble the Licensed Software, except and only to the 
+        extent that such activity is expressly permitted by applicable 
+        law notwithstanding this limitation.
+3.	Termination. Without prejudice to any other rights, M-Systems 
+        may terminate this Agreement if you fail to comply with the 
+        terms and conditions of this Agreement. In such event, you must
+        destroy all copies of the Licensed Software and all of its 
+        component parts.
+4.	Intellectual Property Rights.  Title to the Licensed Software, 
+        and all rights with respect to the Software not specifically 
+        granted under this Agreement, including without limitation 
+        all rights of modification, disassembly and decompilation and 
+        all copyright, patent, trademark, trade secret and other 
+        proprietary rights and interests are reserved to M-Systems. 
+        You may not remove or alter the "README" or "COPYRIGHT" files
+	or copyright notices in the Licensed Software.
+5.	DISCLAIMER OF WARRANTIES. To the maximum extent permitted by 
+        applicable law, M-Systems and its suppliers provide the Product
+        and any (if any) support services related to the Product 
+        ("Support Services") AS IS AND WITH ALL FAULTS, and hereby 
+        disclaim all warranties and conditions, either express, 
+        implied or statutory, including, but not limited to, any 
+        (if any) implied warranties or conditions of merchantability, 
+        of fitness for a particular purpose, of lack of viruses, of 
+        accuracy or completeness of responses, of results, and of lack
+        of negligence or lack of workmanlike effort, all with regard 
+        to the Product, and the provision of or failure to provide 
+        Support Services. ALSO, THERE IS NO WARRANTY OR CONDITION OF
+        TITLE, QUIET ENJOYMENT, QUIET POSSESSION, CORRESPONDENCE TO 
+        DESCRIPTION OR NON-INFRINGEMENT, WITH REGARD TO THE PRODUCT. 
+        THE ENTIRE RISK AS TO THE QUALITY OF OR ARISING OUT OF USE OR 
+        PERFORMANCE OF THE PRODUCT AND SUPPORT SERVICES, IF ANY, 
+        REMAINS WITH YOU.
+6.	EXCLUSION OF INCIDENTAL, CONSEQUENTIAL AND CERTAIN OTHER 
+        DAMAGES. To the maximum extent permitted by applicable law, 
+        in no event shall M-Systems or its suppliers be liable for 
+        any special, incidental, indirect, or consequential damages 
+        whatsoever (including, but not limited to, damages for loss 
+        of profits or confidential or other information, for business 
+        interruption, for personal injury, for loss of privacy, for 
+        failure to meet any duty including of good faith or of 
+        reasonable care, for negligence, and for any other pecuniary 
+        or other loss whatsoever) arising out of or in any way related
+        to the use of or inability to use the Product, the provision 
+        of or failure to provide Support Services, or otherwise under 
+        or in connection with any provision of Agreement, even in the 
+        event of the fault, tort (including negligence), strict 
+        liability, breach of contract or breach of warranty of 
+        M-Systems or any supplier, and even if M-Systems or any 
+        supplier has been advised of the possibility of such damages. 
+7.	LIMITATION OF LIABILITY AND REMEDIES. Notwithstanding any 
+        damages that you might incur for any reason whatsoever 
+        (including, without limitation, all damages referenced above 
+        and all direct or general damages), the entire liability of 
+        M-Systems and any of its suppliers under any provision of this
+        Agreement and your exclusive remedy for all of the foregoing 
+        shall be limited to the greater of the amount actually paid by
+        you for the Product or U.S.$5.00. The foregoing limitations, 
+        exclusions and disclaimers shall apply to the maximum extent 
+        permitted by applicable law, even if any remedy fails its 
+        essential purpose.
+8.	Miscellaneous
+        The laws of the State of California, United States of America, 
+        exclusive of conflict-of-laws provisions, shall govern this 
+        Agreement in all respects. 
+
diff --git a/sys/contrib/dev/fla/README b/sys/contrib/dev/fla/README
new file mode 100644
index 0000000..78433de
--- /dev/null
+++ b/sys/contrib/dev/fla/README
@@ -0,0 +1,198 @@
+                README and FAQ for the fla driver.
+		==================================
+
+
+[0]	COPYRIGHT & LICENSE
+
+	Please read the COPYRIGHT file carefully.  If you cannot
+	agree to be bound by the terms of this license, please
+	contact M-systems and make arrangements with them.
+
+[1]	What does this driver do ?
+
+	This driver supports up to eight M-systems DiskOnChip
+	devices.
+
+	The driver has been tested with the following devices:
+
+	DiskOnChip2000 (8, 12, 24, 32, 40, 72, 144 MB)
+	DiskOnChipMillenium (8 MB)
+	DiskOnChipMillenium TSOP (8 MB)
+
+	You can find full details, specs etc on M-systems homepage:
+	http://www.m-sys.com
+
+[2]	Which firmware version ?
+
+	The driver has only been tested with version 1.21.
+
+[3]	How many devices ?
+
+	The driver supports up to 8 devices but have been tested only
+	with 5 due to hardware limitations in my test setup.
+
+[4]	Which FreeBSD versions ?
+
+	The driver is tested for 4.0-CURRENT and 3.3-RELEASE.
+
+	Porting to earlier versions of FreeBSD should be a simple
+	matter of modifying the fla.c file.  [patches are welcome]
+
+[5]	Can I install FreeBSD with sysinstall ?
+
+	Yes, it has been tested in FreeBSD-4.0-CURRENT and it works.
+	You will need to build a kernel with the fla driver since
+	the default "GENERIC" kernel doesn't contain the fla driver.
+
+[6]	How to boot from a fla device ?
+
+	FreeBSD 4.0 and forward find their root device by reading
+	the /etc/fstab, so the DiskOnChip devices will work just
+	like any other device.
+
+	Earlier FreeBSD kernels recognizes the root device using
+	various hacks.  These hacks doesn't recognize the fla device
+	so some "real" hacks are needed to boot from your fla
+	device.
+
+	In pre 4.0 versions specifying the boot device in the kernel
+	config file this way is the easiest way to do it:
+
+		config          kernel  root on major 28 minor 65538
+
+[7]	How to disklabel a fla device ?
+
+	Look at the script in prep.fla.sh, it will do the job for you.
+
+[8]	Who to contact ?
+
+	doc2k@phk.freebsd.dk will offer limited best-effort help
+	to the extent time permits.  Further support for special
+	projects or configurations available at reasonable hourly
+	rates.
+
+[9]	Getting detailed
+
+	The DiskOnChip product gets out in some odd corners of the
+	PC-architecture, and chances are that things don't do what
+	you expect.  Here are some hints and random observations
+	I've made during my work with these devices.
+
+[9a]	Choosing an address for the DOC
+
+	Each DOC needs a 8K memory window starting on an 8K boundary.
+	The lowest possible address is C000:0, the highest is DE00:0
+
+	If your hardware puts the DOC another place, you will need
+	to modify the doc2k_probe() call in fla.c.
+
+	It is important that you set the BIOS to not do "fancy things"
+	with this window, in particular no kind of cache or shadowing
+	can be enabled.
+
+	Be aware that some hardware will decode a 32k memory window 
+	for the DOC device.
+
+	If everything is OK, the DOC will print a message during
+	the BIOS startup.
+
+	For large devices it can take some time to check the flash
+	data structures, but if it takes more than 3 minutes
+	something is wrong.
+
+	If you boot a MSDOS floppy and run FDISK you should be able
+	to see the DOC device.
+
+	If it doesnt work:
+
+	If you machine never gets to the point where it will boot,
+	but just hangs it could be because you have a BIOS which
+	need the "slightly special" DOC firmware.  Obviously you
+	will need to put the DOC in another machine to load this
+	firmware.  You can download the firmware and utilities
+	from M-systems website http://www.m-sys.com
+
+	If the machine boots, but the device isn't visible it can
+	be because some other device uses the same memory window,
+	or because the BIOS prevents it from being used.  If you
+	boot MSDOS and enter DEBUG, you should be able to find a
+	BIOS extension signature at the address using the 'd'
+	command, for instance 'd d800:0'.
+
+	A special case is when the DOC prints the BIOS message
+	but disappears afterwards, this can happen because another
+	card (NCR SCSI controllers for instance) steal the memory
+	window later in the boot process.  In such a case the
+	above check with DEBUG will not show the BIOS signature.
+
+[9b]	So just who is drive 'C' here anyway ?
+
+	Using the DUPDATE program you can choose to have the DOC
+	add itself at the front or the back of the device list.
+
+	This is, unfortunately not the only thing affecting the
+	drive order, the above mentioned NCR SCSI controllers also
+	have some builtin AI, and the result can be very confusing
+	because the DOC will come before even the floppy as a result.
+
+	There is no simple solution for this case, only variuos
+	work-arounds.  But chances are good that most users will
+	not use both a DOC and a SCSI in the same system, except
+	maybe for initial programming.
+
+[9c]	MBR/fdisk
+
+	The boot firmware in the DOC and/or the FreeBSD bootblocks
+	mandate that the first MBR slice/(partition in FDISK lingo)
+	start exactly at "sector #1, head #1, cylinder #0."  You 
+	will have problems booting from the fla if you don't get this
+	right.  The prep.fla.sh script will do this for you.
+
+	DO NOT WRITE JUNK IN THE MBR!  The DOC firmware relies on
+	various fields and can get utterly confused if they don't
+	make sense.
+
+[9d]	Getting the FreeBSD kernel to use the fla as root
+
+	Please see above under item 6.
+
+[9e]	I turned the machine off while it was running and now my
+	DOC hangs during boot/panics the machine/does weird things.
+
+	If a write operation to the DOC gets interrupted by reset
+	or power-failure, it can happen that the flash data structures
+	are left in a state the sofware cannot cope with.
+
+	Your best chance is to DUPDATE, DFORMAT the device again.
+
+	If it hangs during boot, you can use this particular dirty
+	trick ENTIRELY AT YOUR OWN RISK!  DO NOT COMPLAIN IF THIS
+	DOESN'T WORK FOR YOU OR IF YOU DESTROY YOUR COMPUTER OR
+	DOC DEVICE DOING IT!
+
+	Jumper the DOC for an address which will not work, but which
+	will not interfere with the system either, C000:0 seems to
+	work pretty universally for this.
+
+	Boot MSDOS and rejumper the DOC for its real (working) address.
+
+	Run DUPDATE and use the /win:xxxx argument to point it at the
+	DOC device.
+
+[9f]	Apart from that...
+
+	...the DOC is just like any other disk, but it is silent,
+	has better MTBF and doesn't take up a lot of space.
+
+
+[10]	History
+
+	The fla driver was written by Poul-Henning Kamp <phk@FreeBSD.org>
+	under contract for M-systems, and using their "OSAK"
+	development kit.
+
+Good Luck,
+
+Poul-Henning
+
+$FreeBSD$
diff --git a/sys/contrib/dev/fla/fla.c b/sys/contrib/dev/fla/fla.c
new file mode 100644
index 0000000..aad18b6
--- /dev/null
+++ b/sys/contrib/dev/fla/fla.c
@@ -0,0 +1,346 @@
+/*
+ * ----------------------------------------------------------------------------
+ * "THE BEER-WARE LICENSE" (Revision 42):
+ * <phk@FreeBSD.ORG> wrote this file.  As long as you retain this notice you
+ * can do whatever you want with this stuff. If we meet some day, and you think
+ * this stuff is worth it, you can buy me a beer in return.   Poul-Henning Kamp
+ * ----------------------------------------------------------------------------
+ *
+ * $FreeBSD$ 
+ *
+ */
+
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/sysctl.h>
+#include <sys/kernel.h>
+#include <sys/bio.h>
+#include <sys/malloc.h>
+#include <sys/conf.h>
+#include <sys/disk.h>
+#include <sys/devicestat.h>
+#include <sys/module.h>
+#include <machine/resource.h>
+
+#include <vm/vm.h>
+#include <vm/pmap.h>
+#include <vm/vm_param.h>
+
+#include <sys/bus.h>
+
+#define LEAVE()
+#define ENTER()
+
+#include <contrib/dev/fla/msysosak.h>
+
+static MALLOC_DEFINE(M_FLA, "fla driver", "fla driver storage");
+
+static int fla_debug = 0;
+SYSCTL_INT(_debug, OID_AUTO, fladebug, CTLFLAG_RW, &fla_debug, 0, "");
+
+#define CDEV_MAJOR	102
+
+static d_strategy_t flastrategy;
+static d_open_t flaopen;
+static d_close_t flaclose;
+static d_ioctl_t flaioctl;
+
+static struct cdevsw fla_cdevsw = {
+        /* open */      flaopen,
+        /* close */     flaclose,
+        /* read */      physread,
+        /* write */     physwrite,
+        /* ioctl */     flaioctl,
+        /* poll */      nopoll,
+        /* mmap */      nommap,
+        /* strategy */  flastrategy,
+        /* name */      "fla",
+        /* maj */       CDEV_MAJOR,
+        /* dump */      nodump,
+        /* psize */     nopsize,
+        /* flags */     D_DISK,
+};
+static struct cdevsw fladisk_cdevsw;
+
+void *
+doc2k_malloc(int bytes) 
+{
+	return malloc(bytes, M_FLA, 0);
+}
+
+void
+doc2k_free(void *ptr)
+{
+	free(ptr, M_FLA);
+}
+
+void
+doc2k_delay(unsigned msec)
+{
+	DELAY(1000 * msec);
+}
+
+void
+doc2k_memcpy(void *dst, const void *src, unsigned len)
+{
+	bcopy(src, dst, len);
+}
+
+int
+doc2k_memcmp(const void *dst, const void *src, unsigned len)
+{
+	return (bcmp(src, dst, len));
+}
+
+void
+doc2k_memset(void *dst, int c, unsigned len)
+{
+	u_char *p = dst;
+	while (len--)
+		*p++ = c;
+}
+
+static struct fla_s {
+	int busy;
+	int unit;
+	unsigned nsect;
+	struct doc2k_stat ds;
+	struct bio_queue_head bio_queue;
+	struct devstat stats;
+	struct disk disk;
+	dev_t dev;
+} softc[8];
+
+static int
+flaopen(dev_t dev, int flag, int fmt, struct thread *td)
+{
+	struct fla_s *sc;
+	int error;
+	u_int spu, ncyl, nt, ns;
+
+	if (fla_debug)
+		printf("flaopen(%s %x %x %p)\n",
+			devtoname(dev), flag, fmt, td);
+
+	sc = dev->si_drv1;
+
+	error = doc2k_open(sc->unit);
+
+	if (error) {
+		printf("doc2k_open(%d) -> err %d\n", sc->unit, error);
+		return (EIO);
+	}
+
+	error = doc2k_size(sc->unit, &spu, &ncyl, &nt, &ns);
+	sc->disk.d_sectorsize = DEV_BSIZE;
+	sc->disk.d_mediasize = (off_t)spu * DEV_BSIZE;
+	sc->disk.d_fwsectors = ns;
+	sc->disk.d_fwheads = nt;
+
+	return (0);
+}
+
+static int
+flaclose(dev_t dev, int flags, int fmt, struct thread *td)
+{
+	int error;
+	struct fla_s *sc;
+
+	if (fla_debug)
+		printf("flaclose(%s %x %x %p)\n",
+			devtoname(dev), flags, fmt, td);
+
+	sc = dev->si_drv1;
+
+	error = doc2k_close(sc->unit);
+	if (error) {
+		printf("doc2k_close(%d) -> err %d\n", sc->unit, error);
+		return (EIO);
+	}
+	return (0);
+}
+
+static int
+flaioctl(dev_t dev, u_long cmd, caddr_t addr, int flags, struct thread *td)
+{
+
+	if (fla_debug)
+		printf("flaioctl(%s %lx %p %x %p)\n",
+			devtoname(dev), cmd, addr, flags, td);
+
+	return (ENOIOCTL);
+}
+
+static void
+flastrategy(struct bio *bp)
+{
+	int unit, error;
+	int s;
+	struct fla_s *sc;
+	enum doc2k_work what;
+
+	if (fla_debug > 1)
+		printf("flastrategy(%p) %s %x, %lld, %ld, %p)\n",
+		    bp, devtoname(bp->bio_dev), bp->bio_flags,
+		    (long long)bp->bio_blkno, 
+		    bp->bio_bcount / DEV_BSIZE, bp->bio_data);
+
+	sc = bp->bio_dev->si_drv1;
+
+	s = splbio();
+
+	bioqdisksort(&sc->bio_queue, bp);
+
+	if (sc->busy) {
+		splx(s);
+		return;
+	}
+
+	sc->busy++;
+	
+	while (1) {
+		bp = bioq_first(&sc->bio_queue);
+		if (bp)
+			bioq_remove(&sc->bio_queue, bp);
+		splx(s);
+		if (!bp)
+			break;
+
+		devstat_start_transaction(&sc->stats);
+		bp->bio_resid = bp->bio_bcount;
+		unit = sc->unit;
+
+		if (bp->bio_cmd == BIO_DELETE)
+			what = DOC2K_ERASE;
+		else if (bp->bio_cmd == BIO_READ)
+			what = DOC2K_READ;
+		else 
+			what = DOC2K_WRITE;
+
+		LEAVE();
+
+		error = doc2k_rwe( unit, what, bp->bio_pblkno,
+		    bp->bio_bcount / DEV_BSIZE, bp->bio_data);
+
+		ENTER();
+
+		if (fla_debug > 1 || error) {
+			printf("fla%d: %d = rwe(%p, %d, %d, %lld, %ld, %p)\n",
+			    unit, error, bp, unit, what,
+			    (long long)bp->bio_pblkno, 
+			    bp->bio_bcount / DEV_BSIZE, bp->bio_data);
+		}
+		if (error) {
+			bp->bio_error = EIO;
+			bp->bio_flags |= BIO_ERROR;
+		} else {
+			bp->bio_resid = 0;
+		}
+		biofinish(bp, &sc->stats, 0);
+
+		s = splbio();
+	}
+	sc->busy = 0;
+	return;
+}
+
+static int
+flaprobe (device_t dev)
+{
+	int unit;
+	struct fla_s *sc;
+	int i;
+
+	unit = device_get_unit(dev);
+	if (unit >= 8)
+		return (ENXIO);
+	sc = &softc[unit];
+
+	/* This is slightly ugly */
+	i = doc2k_probe(unit, KERNBASE + 0xc0000, KERNBASE + 0xe0000);
+	if (i)
+		return (ENXIO);
+
+	i = doc2k_info(unit, &sc->ds);
+	if (i)
+		return (ENXIO);
+
+	bus_set_resource(dev, SYS_RES_MEMORY, 0, 
+		sc->ds.window - KERNBASE, 8192);
+
+	return (0);
+}
+
+static int
+flaattach (device_t dev)
+{
+	int unit;
+	int i, j, k, l, m, error;
+	struct fla_s *sc;
+
+	unit = device_get_unit(dev);
+	sc = &softc[unit];
+
+	error = doc2k_open(unit);
+	if (error) {
+		printf("doc2k_open(%d) -> err %d\n", unit, error);
+		return (EIO);
+	}
+
+	error = doc2k_size(unit, &sc->nsect, &i, &j, &k );
+	if (error) {
+		printf("doc2k_size(%d) -> err %d\n", unit, error);
+		return (EIO);
+	}
+
+	printf("fla%d: <%s %s>\n", unit, sc->ds.product, sc->ds.model);
+
+	error = doc2k_close(unit);
+	if (error) {
+		printf("doc2k_close(%d) -> err %d\n", unit, error);
+		return (EIO);
+	}
+	
+	m = 1024L * 1024L / DEV_BSIZE;
+	l = (sc->nsect * 10 + m/2) / m;
+	printf("fla%d: %d.%01dMB (%u sectors),"
+	    " %d cyls, %d heads, %d S/T, 512 B/S\n",
+	    unit, l / 10, l % 10, sc->nsect, i, j, k);
+
+	if (bootverbose)
+		printf("fla%d: JEDEC=0x%x unitsize=%ld mediasize=%ld"
+		       " chipsize=%ld interleave=%d window=%lx\n", 
+		    unit, sc->ds.type, sc->ds.unitSize, sc->ds.mediaSize, 
+		    sc->ds.chipSize, sc->ds.interleaving, sc->ds.window);
+
+	bioq_init(&sc->bio_queue);
+
+	devstat_add_entry(&softc[unit].stats, "fla", unit, DEV_BSIZE,
+		DEVSTAT_NO_ORDERED_TAGS, 
+		DEVSTAT_TYPE_DIRECT | DEVSTAT_TYPE_IF_OTHER,
+		DEVSTAT_PRIORITY_DISK);
+
+	sc->disk.d_flags |= DISKFLAG_CANDELETE;
+	sc->dev = disk_create(unit, &sc->disk, 0, &fla_cdevsw, &fladisk_cdevsw);
+	sc->dev->si_drv1 = sc;
+	sc->unit = unit;
+
+	return (0);
+}
+
+static device_method_t fla_methods[] = {
+	/* Device interface */
+	DEVMETHOD(device_probe,		flaprobe),
+	DEVMETHOD(device_attach,	flaattach),
+	{0, 0}
+};
+
+static driver_t fladriver = {
+	"fla",
+	fla_methods,
+	sizeof(struct fla_s),
+};
+
+static devclass_t	fla_devclass;
+
+DRIVER_MODULE(fla, isa, fladriver, fla_devclass, 0, 0);
diff --git a/sys/contrib/dev/fla/i386/msysosak.o.uu b/sys/contrib/dev/fla/i386/msysosak.o.uu
new file mode 100644
index 0000000..0654caf
--- /dev/null
+++ b/sys/contrib/dev/fla/i386/msysosak.o.uu
@@ -0,0 +1,823 @@
+
+$FreeBSD$
+
+SOFTWARE LICENSE AGREEMENT
+
+IMPORTANT! READ CAREFULLY: 
+THIS SOFTWARE LICENSE AGREEMENT (the ``Agreement'') is a legal 
+agreement between you (either an individual or a single entity) and 
+M-Systems Flash Disk Pioneers Ltd. ("M-Systems").  
+This Agreement relates to the M-Systems' software accompanying this 
+Agreement, which includes computer software and may include associated
+media, printed materials, and ``online'' or electronic documentation 
+(the ``Licensed Software'').  
+By downloading, installing, copying, or otherwise using the Licensed
+Software, you agree to be bound by the terms of this Agreement.
+If you do not agree to the terms of this Agreement, do not install, 
+copy or use the Licensed Software.
+
+The Licensed Software is protected by copyright laws and international
+copyright treaties, as well as other intellectual property laws and 
+treaties.  The Licensed Software is licensed, not sold.  
+The Licensed Software is being provided solely for use with M-Systems'
+DiskOnChip® product lines.
+1.	License Grant. 
+(a)	Grant of License. Subject to the terms and conditions of this 
+        Agreement, M-Systems hereby grants you a nonexclusive, 
+        royalty-free, worldwide license (including the right to 
+        sublicense) to use, copy and distribute the Licensed Software 
+        with M-Systems DiskOnChip® products.
+(b)	Restrictions on Use.  The Licensed Software is licensed solely
+        for use with and to support M-Systems' DiskOnChip® products. 
+        Use of this Licensed Software with, or to support, any other 
+        flash disk, flash card, resident flash array or solid state 
+        disk of any kind is expressly prohibited, and constitutes an 
+        illegal infringement of M-Systems' patent, copyright and other 
+        rights in and to the Licensed Software. 
+2.	Limitations on Reverse Engineering, Decompilation, and 
+        Disassembly.  You may not reverse engineer, decompile, or 
+        disassemble the Licensed Software, except and only to the 
+        extent that such activity is expressly permitted by applicable 
+        law notwithstanding this limitation.
+3.	Termination. Without prejudice to any other rights, M-Systems 
+        may terminate this Agreement if you fail to comply with the 
+        terms and conditions of this Agreement. In such event, you must
+        destroy all copies of the Licensed Software and all of its 
+        component parts.
+4.	Intellectual Property Rights.  Title to the Licensed Software, 
+        and all rights with respect to the Software not specifically 
+        granted under this Agreement, including without limitation 
+        all rights of modification, disassembly and decompilation and 
+        all copyright, patent, trademark, trade secret and other 
+        proprietary rights and interests are reserved to M-Systems. 
+        You may not remove or alter the "README" or "COPYRIGHT" files
+	or copyright notices in the Licensed Software.
+5.	DISCLAIMER OF WARRANTIES. To the maximum extent permitted by 
+        applicable law, M-Systems and its suppliers provide the Product
+        and any (if any) support services related to the Product 
+        ("Support Services") AS IS AND WITH ALL FAULTS, and hereby 
+        disclaim all warranties and conditions, either express, 
+        implied or statutory, including, but not limited to, any 
+        (if any) implied warranties or conditions of merchantability, 
+        of fitness for a particular purpose, of lack of viruses, of 
+        accuracy or completeness of responses, of results, and of lack
+        of negligence or lack of workmanlike effort, all with regard 
+        to the Product, and the provision of or failure to provide 
+        Support Services. ALSO, THERE IS NO WARRANTY OR CONDITION OF
+        TITLE, QUIET ENJOYMENT, QUIET POSSESSION, CORRESPONDENCE TO 
+        DESCRIPTION OR NON-INFRINGEMENT, WITH REGARD TO THE PRODUCT. 
+        THE ENTIRE RISK AS TO THE QUALITY OF OR ARISING OUT OF USE OR 
+        PERFORMANCE OF THE PRODUCT AND SUPPORT SERVICES, IF ANY, 
+        REMAINS WITH YOU.
+6.	EXCLUSION OF INCIDENTAL, CONSEQUENTIAL AND CERTAIN OTHER 
+        DAMAGES. To the maximum extent permitted by applicable law, 
+        in no event shall M-Systems or its suppliers be liable for 
+        any special, incidental, indirect, or consequential damages 
+        whatsoever (including, but not limited to, damages for loss 
+        of profits or confidential or other information, for business 
+        interruption, for personal injury, for loss of privacy, for 
+        failure to meet any duty including of good faith or of 
+        reasonable care, for negligence, and for any other pecuniary 
+        or other loss whatsoever) arising out of or in any way related
+        to the use of or inability to use the Product, the provision 
+        of or failure to provide Support Services, or otherwise under 
+        or in connection with any provision of Agreement, even in the 
+        event of the fault, tort (including negligence), strict 
+        liability, breach of contract or breach of warranty of 
+        M-Systems or any supplier, and even if M-Systems or any 
+        supplier has been advised of the possibility of such damages. 
+7.	LIMITATION OF LIABILITY AND REMEDIES. Notwithstanding any 
+        damages that you might incur for any reason whatsoever 
+        (including, without limitation, all damages referenced above 
+        and all direct or general damages), the entire liability of 
+        M-Systems and any of its suppliers under any provision of this
+        Agreement and your exclusive remedy for all of the foregoing 
+        shall be limited to the greater of the amount actually paid by
+        you for the Product or U.S.$5.00. The foregoing limitations, 
+        exclusions and disclaimers shall apply to the maximum extent 
+        permitted by applicable law, even if any remedy fails its 
+        essential purpose.
+8.	Miscellaneous
+        The laws of the State of California, United States of America, 
+        exclusive of conflict-of-laws provisions, shall govern this 
+        Agreement in all respects. 
+
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+M``"<`````0$``*`````!`0``I`````$!``"H`````0$``*P````!`0``L```
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+M```!`0``^`````$!``#\`````0$````!```!`0``!`$```$!```(`0```0$`
+!```!
+`
+end
diff --git a/sys/contrib/dev/fla/msysosak.h b/sys/contrib/dev/fla/msysosak.h
new file mode 100644
index 0000000..11d4c51
--- /dev/null
+++ b/sys/contrib/dev/fla/msysosak.h
@@ -0,0 +1,135 @@
+/*-
+SOFTWARE LICENSE AGREEMENT
+
+IMPORTANT! READ CAREFULLY: 
+THIS SOFTWARE LICENSE AGREEMENT (the ``Agreement'') is a legal 
+agreement between you (either an individual or a single entity) and 
+M-Systems Flash Disk Pioneers Ltd. ("M-Systems").  
+This Agreement relates to the M-Systems' software accompanying this 
+Agreement, which includes computer software and may include associated
+media, printed materials, and ``online'' or electronic documentation 
+(the ``Licensed Software'').  
+By downloading, installing, copying, or otherwise using the Licensed
+Software, you agree to be bound by the terms of this Agreement.
+If you do not agree to the terms of this Agreement, do not install, 
+copy or use the Licensed Software.
+
+The Licensed Software is protected by copyright laws and international
+copyright treaties, as well as other intellectual property laws and 
+treaties.  The Licensed Software is licensed, not sold.  
+The Licensed Software is being provided solely for use with M-Systems'
+DiskOnChip® product lines.
+1.	License Grant. 
+(a)	Grant of License. Subject to the terms and conditions of this 
+        Agreement, M-Systems hereby grants you a nonexclusive, 
+        royalty-free, worldwide license (including the right to 
+        sublicense) to use, copy and distribute the Licensed Software 
+        with M-Systems DiskOnChip® products.
+(b)	Restrictions on Use.  The Licensed Software is licensed solely
+        for use with and to support M-Systems' DiskOnChip® products. 
+        Use of this Licensed Software with, or to support, any other 
+        flash disk, flash card, resident flash array or solid state 
+        disk of any kind is expressly prohibited, and constitutes an 
+        illegal infringement of M-Systems' patent, copyright and other 
+        rights in and to the Licensed Software. 
+2.	Limitations on Reverse Engineering, Decompilation, and 
+        Disassembly.  You may not reverse engineer, decompile, or 
+        disassemble the Licensed Software, except and only to the 
+        extent that such activity is expressly permitted by applicable 
+        law notwithstanding this limitation.
+3.	Termination. Without prejudice to any other rights, M-Systems 
+        may terminate this Agreement if you fail to comply with the 
+        terms and conditions of this Agreement. In such event, you must
+        destroy all copies of the Licensed Software and all of its 
+        component parts.
+4.	Intellectual Property Rights.  Title to the Licensed Software, 
+        and all rights with respect to the Software not specifically 
+        granted under this Agreement, including without limitation 
+        all rights of modification, disassembly and decompilation and 
+        all copyright, patent, trademark, trade secret and other 
+        proprietary rights and interests are reserved to M-Systems. 
+        You may not remove or alter the "README" or "COPYRIGHT" files
+	or copyright notices in the Licensed Software.
+5.	DISCLAIMER OF WARRANTIES. To the maximum extent permitted by 
+        applicable law, M-Systems and its suppliers provide the Product
+        and any (if any) support services related to the Product 
+        ("Support Services") AS IS AND WITH ALL FAULTS, and hereby 
+        disclaim all warranties and conditions, either express, 
+        implied or statutory, including, but not limited to, any 
+        (if any) implied warranties or conditions of merchantability, 
+        of fitness for a particular purpose, of lack of viruses, of 
+        accuracy or completeness of responses, of results, and of lack
+        of negligence or lack of workmanlike effort, all with regard 
+        to the Product, and the provision of or failure to provide 
+        Support Services. ALSO, THERE IS NO WARRANTY OR CONDITION OF
+        TITLE, QUIET ENJOYMENT, QUIET POSSESSION, CORRESPONDENCE TO 
+        DESCRIPTION OR NON-INFRINGEMENT, WITH REGARD TO THE PRODUCT. 
+        THE ENTIRE RISK AS TO THE QUALITY OF OR ARISING OUT OF USE OR 
+        PERFORMANCE OF THE PRODUCT AND SUPPORT SERVICES, IF ANY, 
+        REMAINS WITH YOU.
+6.	EXCLUSION OF INCIDENTAL, CONSEQUENTIAL AND CERTAIN OTHER 
+        DAMAGES. To the maximum extent permitted by applicable law, 
+        in no event shall M-Systems or its suppliers be liable for 
+        any special, incidental, indirect, or consequential damages 
+        whatsoever (including, but not limited to, damages for loss 
+        of profits or confidential or other information, for business 
+        interruption, for personal injury, for loss of privacy, for 
+        failure to meet any duty including of good faith or of 
+        reasonable care, for negligence, and for any other pecuniary 
+        or other loss whatsoever) arising out of or in any way related
+        to the use of or inability to use the Product, the provision 
+        of or failure to provide Support Services, or otherwise under 
+        or in connection with any provision of Agreement, even in the 
+        event of the fault, tort (including negligence), strict 
+        liability, breach of contract or breach of warranty of 
+        M-Systems or any supplier, and even if M-Systems or any 
+        supplier has been advised of the possibility of such damages. 
+7.	LIMITATION OF LIABILITY AND REMEDIES. Notwithstanding any 
+        damages that you might incur for any reason whatsoever 
+        (including, without limitation, all damages referenced above 
+        and all direct or general damages), the entire liability of 
+        M-Systems and any of its suppliers under any provision of this
+        Agreement and your exclusive remedy for all of the foregoing 
+        shall be limited to the greater of the amount actually paid by
+        you for the Product or U.S.$5.00. The foregoing limitations, 
+        exclusions and disclaimers shall apply to the maximum extent 
+        permitted by applicable law, even if any remedy fails its 
+        essential purpose.
+8.	Miscellaneous
+        The laws of the State of California, United States of America, 
+        exclusive of conflict-of-laws provisions, shall govern this 
+        Agreement in all respects. 
+*/
+
+#ifndef MSYSOSAK_H
+#define MSYSOSAK_H 1
+
+struct doc2k_stat {
+	unsigned short	type;
+	long		unitSize;
+	long		mediaSize;
+	long		chipSize;
+	int		interleaving;
+	unsigned long	window;
+
+	/* Non-OSAK members Below this point */
+	char		*product;
+	char		model[40];
+};
+
+enum doc2k_work { DOC2K_READ, DOC2K_WRITE, DOC2K_ERASE };
+
+int doc2k_probe(int drive, unsigned lowaddr, unsigned highaddr);
+int doc2k_info(int drive, struct doc2k_stat *info);
+int doc2k_size(int drive, unsigned *capacity, unsigned *ncyl, unsigned *nhead, unsigned *nsect);
+int doc2k_open(int drive);
+int doc2k_close(int drive);
+int doc2k_rwe(int drive, enum doc2k_work what, unsigned block, unsigned len, void *ptr);
+void doc2k_memcpy(void *dst, const void *src, unsigned len);
+void doc2k_memset(void *dst, int c, unsigned len);
+int doc2k_memcmp(const void *dst, const void *src, unsigned len);
+void *doc2k_malloc(int bytes);
+void doc2k_free(void *ptr);
+void doc2k_delay(unsigned usec);
+
+#endif
diff --git a/sys/contrib/dev/fla/patch.00 b/sys/contrib/dev/fla/patch.00
new file mode 100644
index 0000000..90841e6
--- /dev/null
+++ b/sys/contrib/dev/fla/patch.00
@@ -0,0 +1,23 @@
+Index: files.i386
+===================================================================
+RCS file: /home/ncvs/src/sys/i386/conf/files.i386,v
+retrieving revision 1.220.2.8
+diff -u -r1.220.2.8 files.i386
+--- files.i386	1999/05/27 03:06:33	1.220.2.8
++++ files.i386	1999/08/01 12:44:00
+@@ -34,6 +34,13 @@
+ 	no-obj no-implicit-rule before-depend				\
+ 	clean		"ukbdmap.h"
+ #
++contrib/dev/fla/fla.c		optional	fla
++msysosak.o			optional	fla			\
++	dependency	"$S/contrib/dev/fla/i386/msysosak.o.uu"		\
++	compile-with	"uudecode < $S/contrib/dev/fla/i386/msysosak.o.uu" \
++	no-implicit-rule
++
++#
+ dev/fb/fb.c			optional	fb	device-driver
+ dev/fb/fb.c			optional	vga	device-driver
+ dev/fb/splash.c			optional	splash
+
+
diff --git a/sys/contrib/dev/fla/prep.fla.sh b/sys/contrib/dev/fla/prep.fla.sh
new file mode 100644
index 0000000..5d27717
--- /dev/null
+++ b/sys/contrib/dev/fla/prep.fla.sh
@@ -0,0 +1,45 @@
+#!/bin/sh
+# $FreeBSD$
+
+dev=fla0
+
+grep "$dev.*sectors" /var/run/dmesg.boot | tr -d '(:)' | awk '
+	{
+	v = $3
+	c = $5
+	h = $7
+	s = $9
+	ss = c * h * s - s
+
+	print "#",$0 > "_"
+	print "g c"c" h"h" s"s > "_"
+	print "p 1 165",s,ss > "_"
+	print "a 1" > "_"
+
+	print "#",$0  > "__"
+	print "type: ESDI" > "__"
+	print "disk:", $1 > "__"
+	print "label:" > "__"
+	print "flags:" > "__"
+	print "bytes/sector: 512" > "__"
+	print "sectors/track:", s > "__"
+	print "tracks/cylinder:", h > "__"
+	print "sectors/cylinder:", s * h > "__"
+	print "cylinders:", c > "__"
+	print "sectors/unit:", ss > "__"
+	print "rpm: 3600" > "__"
+	print "interleave: 1" > "__"
+	print "trackskew: 0" > "__"
+	print "cylinderskew: 0" > "__"
+	print "headswitch: 0           # milliseconds" > "__"
+	print "track-to-track seek: 0  # milliseconds" > "__"
+	print "drivedata: 0 " > "__"
+	print "8 partitions:" > "__"
+	print "#        size   offset    fstype   [fsize bsize bps/cpg]" > "__"
+	print "a:",ss,"0 4.2BSD 512 4096 " > "__"
+	print "c:",ss,"0 unused 0 0" > "__"
+	}
+' 
+fdisk -f _ -i -v $dev
+disklabel -BrR ${dev} __
+newfs /dev/r${dev}a
diff --git a/sys/contrib/dev/oltr/COPYRIGHT b/sys/contrib/dev/oltr/COPYRIGHT
new file mode 100644
index 0000000..668a641
--- /dev/null
+++ b/sys/contrib/dev/oltr/COPYRIGHT
@@ -0,0 +1,62 @@
+The oltr driver uses objects and microcode from Olicom's
+OC-3300 PowerMACH Works Kit.
+
+As the Linux driver says..
+==================================================================
+* 
+*      This driver uses the Token Ring Low Level Driver (TRlld,
+*      PowerMach Works) as the lower level driver.  The PMW kit is
+*      (C) Olicom. The executable object may be distributed along
+*      with this driver for the purpose of linking this driver.
+*
+=================================================================
+The low level driver is combined with a FreeBSD specific driver
+supplied in source, which provides all OS dependent functions.
+
+files from olicom are:
+
+trlld.o - Olicom low-level driver interface
+
+trlldmac.o - TMS 380 Microcode for Olicom TMS380 based cards
+trlldbm.o - "bullseye" Microcode for Olicom "bullseye" based cards
+trlldhm.o - "hawkeye" Microcode for Olicom "hawkeye" based cards
+
+The file trlld.o is stored in uuencode format as trlld.o.uu
+It represents a state machine of some kind that has no OS dependencies
+and communicates with the firmware on the cards via a proprietary interface.
+All communication with this module is achieved via functions supplied in
+the FreeBSD specific driver.
+
+The other 3 files have been encoded using file2c(1)
+and represent only microcode to be loaded into the appropriate board
+when found.
+
+Here is the release notice from Olicom regarding these files:
+-------------------------------------------------------------------------------
+OC-3300 PowerMach Works and its components are wholly owned products of
+Olicom A/S 
+Nybrovej 114
+2800 Lyngby
+Denmark
+(45) 45 27 00 00
+and are used and distributed with permission. (#SS022499)
+-------------------------------------------------------------------------------
+
+A supporting email is also included.
+---------- Forwarded message ----------
+Date: Wed, 24 Feb 1999 17:07:14 +0100
+From: Starla Scott <sscott@olicom.com>
+To: 'Larry Lile' <lile@stdio.com>
+Subject: RE: FreeBSD Token-ring driver
+
+Larry,
+
+You may freely distribute the driver and/or kit. However, we do request that
+you include an acknowledgement of Olicom's copyright and ownership as
+related to your driver. 
+
+Thanks,
+Starla
+Olicom Tech Support
+------------------------------------------------------------------------------
+
diff --git a/sys/contrib/dev/oltr/i386-elf.trlld.o.uu b/sys/contrib/dev/oltr/i386-elf.trlld.o.uu
new file mode 100644
index 0000000..02fabcd
--- /dev/null
+++ b/sys/contrib/dev/oltr/i386-elf.trlld.o.uu
@@ -0,0 +1,1850 @@
+begin 644 trlld.o
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+M`&,_```!V```BS\```'8``"C/P```=@``,L_```!V```&T````'8``!!0```
+M`=@``)%````!V```MT````'8```U00```=@``%9!```!V```?D$```'8``"6
+M00```=@``+Y!```!V```#D(```'8```T0@```=@``-E"```!V```,D,```'8
+M``!:0P```=@``*I#```!V```T$,```'8``!X1````=@``*!$```!V```N$0`
+M``'8``#F1````=@``/)>```!`P``\F@```&F``!2:0```:8``&!I```!I@``
+M<6D```&F``!^:0```:8``)5I```!I@``G6D```&F``"F:0```:8``*QI```!
+MI@``M6D```&F``##:0```:8``-9I```!I@``Y&D```&F``!):@```:8``'=J
+M```!I@``B6H```&F``";:@```:8``*UJ```!I@``V6H```&F``"@<P```=0`
+M`+EU```!V```Z'4```'8```)=@```=@``$!V```!V```SXL```'H```6F0``
+M`OH``'29```"^@``N)D```+Z``#>F0```OH``)2S```!<```@;<```$W``!'
+MN````><``+JX```!-P``O;D```$W``!GRP```78``&;9```!;P``#MH```%N
+M``!NVP```6L``.+;```!:@``9MT```%K``!^W0```6D``"3>```!:@``,]X`
+M``%H``#.Z````>4``/[I```!YP``(.H```'G``"NZ@```><```[K```!YP``
+M8^P```'G``"/[````><``&7N```!YP``C.X```'E``"C[P```><``%#P```!
+MYP``//,```$W``![\P```3<``+_S```!-P``B_@```$V``!R_````14``&4`
+M`0`!`P``9`,!``$#``!8`````>(``%P````!X0``8`````'@``!D`````=\`
+M`&@````!W@``;`````'=``!P`````=P``'0````!VP``>`````':``!\````
+M`=D``)`````!`@``E`````$"``"8`````0(``)P````!`@``H`````$"``"D
+M`````0(``*@````!`@``K`````$"``"P`````0(``+0````!`@``N`````$"
+M``"\`````0(``,`````!`@``Q`````$"``#(`````0(``,P````!`@``T```
+M``$"``#4`````0(``-@````!`@``W`````$"``#D`````:\``.@````!L0``
+M[`````&-``#P`````;```/0````!K0``^`````%Z``#\`````88````!```!
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+M`$`!```!A@``1`$```&#``!(`0```:P``$P!```!@@``4`$```%S``!4`0``
+M`7(``%@!```!<0``@`$```%L``"$`0```;@``(@!```!RP``C`$```&Y``"0
+M`0```;P``)@!```!NP``H`$```&Z``"L`0```>,``/@!```!9@``_`$```&X
+M`````@```<L```0"```!N0``"`(```&\```0`@```;L``!@"```!N@``'`(`
+M``%E```@`@```60``"0"```!XP``*`(```%C```L`@```6(``$@"```!8```
+M3`(```%?``!0`@```<L``%0"```!N0``6`(```&\``!<`@```5X``&`"```!
+MNP``9`(```%=``!H`@```;H``&P"```!7```<`(```%;``!T`@```>,``'@"
+M```!6@``?`(```%9``"8`@```5<``)P"```!N```H`(```'+``"D`@```;D`
+M`*@"```!O```L`(```&[``"X`@```;H``,`"```!5@``Q`(```'C``#0`@``
+M`54``.@"```!5P``[`(```&X``#P`@```<L``/0"```!N0``^`(```&\````
+M`P```;L```@#```!N@``$`,```%6```4`P```>,``"`#```!4P``.`,```%7
+M```\`P```;@``$`#```!RP``1`,```&Y``!(`P```;P``%`#```!NP``6`,`
+M``&Z``!@`P```58``&0#```!XP``<`,```%1``"(`P```4\``(P#```!N```
+MD`,```'+``"4`P```;D``)@#```!O```H`,```&[``"H`P```;H``+`#```!
+M3@``M`,```'C``#``P```4T``-@#```!3P``W`,```&X``#@`P```<L``.0#
+M```!N0``Z`,```&\``#P`P```;L``/@#```!N@````0```%.```$!````>,`
+M`!`$```!30``*`0```'````L!````8\``#0$```!N0``/`0```%*``!$!```
+M`9```$P$```!20``4`0```&.``!4!````>,``'@$```!P```?`0```&/``"`
+M!````8\``(0$```!1P``B`0```%'``",!````48``)`$```!1@``E`0```%%
+M``"8!````44``)P$```!DP``H`0```&.``"D!````>,``,@$```!P```S`0`
+M``&/``#0!````<L``-0$```!0P``V`0```%#``#<!````4(``.`$```!0@``
+MY`0```&0``#H!````9```.P$```!DP``\`0```&.``#T!````>,``!@%```!
+M0```(`4```%^```H!0```7T``#`%```!?```.`4```$_```\!0```3X``$`%
+M```!BP``1`4```%[``!H!0```4```'`%```!?@``>`4```%]``"`!0```7P`
+M`(@%```!/P``C`4```$^``"0!0```8L``)0%```!>P``N`4```%```#`!0``
+M`7X``,@%```!?0``T`4```%\``#8!0```3\``-P%```!/@``X`4```&+``#D
+M!0```7L```@&```!0```$`8```%^```8!@```7T``"`&```!?```*`8```$_
+M```L!@```3X``#`&```!BP``-`8```%[``!8!@```3D``&`&```!?@``:`8`
+M``%]``!P!@```7P``'@&```!/P``?`8```$X``"`!@```8L``(0&```!=0``
+ME`8```%M``"8!@```6<``)P&```!80``H`8```%8``"D!@```50``*@&```!
+M4@``K`8```%0``"P!@```4P``+0&```!2P``N`8```%(``"\!@```40``,`&
+M```!00``Q`8```$]``#(!@```3P``,P&```!.P``T`8```$Z```D!P```0(`
+M`"@'```!`@``+`<```$"```P!P```0(``#0'```!`@``.`<```$"```\!P``
+M`0(``$`'```!`@``1`<```$"``!(!P```0(``$P'```!`@``4`<```$"``!4
+M!P```0(``%@'```!`@``7`<```$"``!@!P```0(``&0'```!`@``:`<```$"
+M``!L!P```0(``'`'```!`@``=`<```$"``!X!P```0(``'P'```!`@``@`<`
+M``$"``"$!P```0(``(@'```!`@``C`<```$"``"0!P```0(``)0'```!`@``
+MF`<```$"``"<!P```0(``*`'```!`@``>'!G-'!L=7,@0"@C*2!S=&1D968N
+M:"`R,"XQ(#DT+S$R+S`T(`!A8V]M<#H@4F5L96%S92`U+C`N,&$@,39-87(Y
+M-0!O<'1I;3H@4F5L96%S92`U+C`N,&$@,39-87(Y-0!I,S@V87,Z(%)E;&5A
+M<V4@-2XP+C!A(#$V36%R.34`0"@C*2!T8V]P>2YS(#$N,"`Y."\P."\Q,0!I
+M,S@V87,Z(%)E;&5A<V4@-2XP+C!A(#$V36%R.34`````````````````````
+M`````````````````````````````````````0````$````&`````````$``
+M```<$`$````````````0``````````<````!`````P````````!<$`$`I`<`
+M````````````!``````````-````"`````,``````````!@!```$````````
+M``````0`````````$@````<````````````````8`0`<```````````````!
+M`````````!@````"```````````````<&`$`H!````8```#J````!````!``
+M```@`````P``````````````O"@!`)T-``````````````$`````````*```
+M``,``````````````%DV`0!/```````````````!`````````#(````)````
+M``````````"H-@$`6`,```4````!````!`````@````\````"0``````````
+M`````#H!`"`(```%`````@````0````(````1@````$``````````````"!"
+6`0"Z```````````````!```````````(
+`
+end
diff --git a/sys/contrib/dev/oltr/if_oltr.c b/sys/contrib/dev/oltr/if_oltr.c
new file mode 100644
index 0000000..453fe75
--- /dev/null
+++ b/sys/contrib/dev/oltr/if_oltr.c
@@ -0,0 +1,1601 @@
+/*
+ * Copyright (c) 1998, Larry Lile
+ * All rights reserved.
+ *
+ * For latest sources and information on this driver, please
+ * go to http://anarchy.stdio.com.
+ *
+ * Questions, comments or suggestions should be directed to
+ * Larry Lile <lile@stdio.com>.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice unmodified, this list of conditions, and the following
+ *    disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * $FreeBSD$
+ */
+
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/sockio.h>
+#include <sys/mbuf.h>
+#include <sys/malloc.h>
+#include <sys/kernel.h>
+#include <sys/socket.h>
+#include <sys/param.h>
+
+#include <net/if.h>
+#include <net/if_arp.h>
+#include <net/iso88025.h>
+#include <net/ethernet.h>
+#include <net/if_dl.h>
+#include <net/if_media.h>
+#include <net/iso88025.h>
+
+#if (__FreeBSD_version < 400000)
+#include <bpfilter.h>
+#endif
+
+#if (NBPFILTER > 0) || (__FreeBSD_version > 400000)
+#include <net/bpf.h>
+
+#ifndef BPF_MTAP
+#define	BPF_MTAP(_ifp, _m) do {				\
+	if ((_ifp)->if_bpf)				\
+		bpf_mtap((_ifp), (_m));			\
+} while (0)
+#endif
+#endif
+
+#include <vm/vm.h>              /* for vtophys */
+#include <vm/pmap.h>            /* for vtophys */
+#include <machine/bus_memio.h>
+#include <machine/bus_pio.h>
+#include <machine/bus.h>
+#include <machine/resource.h>
+#include <sys/bus.h>
+#include <sys/rman.h>
+
+#include <pci/pcireg.h>
+#include <pci/pcivar.h>
+
+#include "contrib/dev/oltr/trlld.h"
+
+/*#define DEBUG_MASK DEBUG_POLL*/
+
+#ifndef DEBUG_MASK
+#define DEBUG_MASK 0x0000
+#endif
+
+#define DEBUG_POLL	0x0001
+#define DEBUG_INT	0x0002
+#define DEBUG_INIT	0x0004
+#define DEBUG_FN_ENT	0x8000
+
+#define PCI_VENDOR_OLICOM 0x108D
+
+#define MIN3(A,B,C) (MIN(A, (MIN(B, C))))
+
+char *AdapterName[] = {
+	/*  0 */ "Olicom XT Adapter [unsupported]",
+	/*  1 */ "Olicom OC-3115",
+	/*  2 */ "Olicom ISA 16/4 Adapter (OC-3117)",
+	/*  3 */ "Olicom ISA 16/4 Adapter (OC-3118)",
+	/*  4 */ "Olicom MCA 16/4 Adapter (OC-3129) [unsupported]",
+	/*  5 */ "Olicom MCA 16/4 Adapter (OC-3129) [unsupported]",
+	/*  6 */ "Olicom MCA 16/4 Adapter (OC-3129) [unsupported]",
+	/*  7 */ "Olicom EISA 16/4 Adapter (OC-3133)",
+	/*  8 */ "Olicom EISA 16/4 Adapter (OC-3133)",
+	/*  9 */ "Olicom EISA 16/4 Server Adapter (OC-3135)",
+	/* 10 */ "Olicom PCI 16/4 Adapter (OC-3136)",
+	/* 11 */ "Olicom PCI 16/4 Adapter (OC-3136)",
+	/* 12 */ "Olicom PCI/II 16/4 Adapter (OC-3137)",
+	/* 13 */ "Olicom PCI 16/4 Adapter (OC-3139)",
+	/* 14 */ "Olicom RapidFire 3140 16/4 PCI Adapter (OC-3140)",
+	/* 15 */ "Olicom RapidFire 3141 Fiber Adapter (OC-3141)",
+	/* 16 */ "Olicom PCMCIA 16/4 Adapter (OC-3220) [unsupported]",
+	/* 17 */ "Olicom PCMCIA 16/4 Adapter (OC-3121, OC-3230, OC-3232) [unsupported]",
+	/* 18 */ "Olicom PCMCIA 16/4 Adapter (OC-3250)",
+	/* 19 */ "Olicom RapidFire 3540 100/16/4 Adapter (OC-3540)"
+};
+
+/*
+ * Glue function prototypes for PMW kit IO
+ */
+
+#ifndef TRlldInlineIO
+static void DriverOutByte	__P((unsigned short, unsigned char));
+static void DriverOutWord	__P((unsigned short, unsigned short));
+static void DriverOutDword	__P((unsigned short, unsigned long));
+static void DriverRepOutByte	__P((unsigned short, unsigned char  *, int));
+static void DriverRepOutWord	__P((unsigned short, unsigned short *, int));
+static void DriverRepOutDword	__P((unsigned short, unsigned long  *, int));
+static unsigned char  DriverInByte __P((unsigned short));
+static unsigned short DriverInWord __P((unsigned short));
+static unsigned long  DriverInDword __P((unsigned short));
+static void DriverRepInByte	__P((unsigned short, unsigned char  *, int));
+static void DriverRepInWord	__P((unsigned short, unsigned short *, int));
+static void DriverRepInDword	__P((unsigned short, unsigned long  *, int));
+#endif /*TRlldInlineIO*/
+static void DriverSuspend	__P((unsigned short));
+static void DriverStatus	__P((void *, TRlldStatus_t *));
+static void DriverCloseCompleted __P((void *));
+static void DriverStatistics	__P((void *, TRlldStatistics_t *));
+static void DriverTransmitFrameCompleted __P((void *, void *, int));
+static void DriverReceiveFrameCompleted	__P((void *, int, int, void *, int));
+
+static TRlldDriver_t LldDriver = {
+	TRLLD_VERSION,
+#ifndef TRlldInlineIO
+	DriverOutByte,
+	DriverOutWord,
+	DriverOutDword,
+	DriverRepOutByte,
+	DriverRepOutWord,
+	DriverRepOutDword,
+	DriverInByte,
+	DriverInWord,
+	DriverInDword,
+	DriverRepInByte,
+	DriverRepInWord,
+	DriverRepInDword,
+#endif /*TRlldInlineIO*/
+	DriverSuspend,
+	DriverStatus,
+	DriverCloseCompleted,
+	DriverStatistics,
+	DriverTransmitFrameCompleted,
+	DriverReceiveFrameCompleted,
+};
+
+struct oltr_rx_buf {
+	int			index;
+	char			*data;
+	u_long			address;
+};
+
+struct oltr_tx_buf {
+	int			index;
+	char 			*data;
+	u_long			address;
+};
+
+#define RING_BUFFER_LEN		16
+#define RING_BUFFER(x)		((RING_BUFFER_LEN - 1) & x)
+#define RX_BUFFER_LEN		2048
+#define TX_BUFFER_LEN		2048
+
+struct oltr_softc {
+	struct arpcom		arpcom;
+	struct ifmedia		ifmedia;
+	bus_space_handle_t	oltr_bhandle;
+	bus_space_tag_t		oltr_btag;
+	void			*oltr_intrhand;
+	struct resource		*oltr_irq;
+	struct resource		*oltr_res;
+	int			unit;
+	int 			state;
+#define OL_UNKNOWN	0
+#define OL_INIT		1
+#define OL_READY	2
+#define OL_CLOSING	3
+#define OL_CLOSED	4
+#define OL_OPENING	5
+#define OL_OPEN		6
+#define OL_PROMISC	7
+#define OL_DEAD		8
+	struct oltr_rx_buf	rx_ring[RING_BUFFER_LEN];
+	int			tx_head, tx_avail, tx_frame;
+	struct oltr_tx_buf	tx_ring[RING_BUFFER_LEN];
+	TRlldTransmit_t		frame_ring[RING_BUFFER_LEN];
+	struct mbuf		*restart;
+	TRlldAdapter_t		TRlldAdapter;
+	TRlldStatistics_t	statistics;
+	TRlldStatistics_t	current;
+        TRlldAdapterConfig_t    config;
+	u_short			AdapterMode;
+	u_long			GroupAddress;
+	u_long			FunctionalAddress;
+	struct callout_handle	oltr_poll_ch;
+	/*struct callout_handle	oltr_stat_ch;*/
+	void			*work_memory;
+};
+
+#define SELF_TEST_POLLS	32
+
+void oltr_poll 			__P((void *));
+/*void oltr_stat 			__P((void *));*/
+
+static void oltr_start		__P((struct ifnet *));
+static void oltr_stop		__P((struct oltr_softc *));
+static void oltr_close		__P((struct oltr_softc *));
+static void oltr_init		__P((void *));
+static int oltr_ioctl		__P((struct ifnet *, u_long, caddr_t));
+static void oltr_intr		__P((void *));
+static int oltr_ifmedia_upd	__P((struct ifnet *));
+static void oltr_ifmedia_sts	__P((struct ifnet *, struct ifmediareq *));
+
+#if __FreeBSD_version > 400000
+
+static int oltr_pci_probe		__P((device_t));
+static int oltr_pci_attach	__P((device_t));
+static int oltr_pci_detach	__P((device_t));
+static void oltr_pci_shutdown	__P((device_t));
+
+static device_method_t oltr_methods[] = {
+	DEVMETHOD(device_probe,		oltr_pci_probe),
+	DEVMETHOD(device_attach,	oltr_pci_attach),
+	DEVMETHOD(device_detach,	oltr_pci_detach),
+	DEVMETHOD(device_shutdown,	oltr_pci_shutdown),
+        { 0, 0 }
+};
+
+static driver_t oltr_driver = {
+	"oltr",
+	oltr_methods,
+	sizeof(struct oltr_softc)
+};
+
+static devclass_t oltr_devclass;
+
+DRIVER_MODULE(oltr, pci, oltr_driver, oltr_devclass, 0, 0);
+
+static int
+oltr_pci_probe(device_t dev)
+{
+        int                     i, rc;
+        char                    PCIConfigHeader[64];
+        TRlldAdapterConfig_t    config;
+
+        if ((pci_get_vendor(dev) == PCI_VENDOR_OLICOM) &&
+           ((pci_get_device(dev) == 0x0001) ||
+	    (pci_get_device(dev) == 0x0004) ||
+            (pci_get_device(dev) == 0x0005) ||
+	    (pci_get_device(dev) == 0x0007) ||
+            (pci_get_device(dev) == 0x0008))) {
+
+                for (i = 0; i < sizeof(PCIConfigHeader); i++)
+                        PCIConfigHeader[i] = pci_read_config(dev, i, 1);
+
+                rc = TRlldPCIConfig(&LldDriver, &config, PCIConfigHeader);
+                if (rc == TRLLD_PCICONFIG_FAIL) {
+                        device_printf(dev, "TRlldPciConfig failed!\n");
+                        return(ENXIO);
+                }
+                if (rc == TRLLD_PCICONFIG_VERSION) {
+                        device_printf(dev, "wrong LLD version\n");
+                        return(ENXIO);
+                }
+                device_set_desc(dev, AdapterName[config.type]);
+                return(0);
+        }
+        return(ENXIO);
+}
+
+static int
+oltr_pci_attach(device_t dev)
+{
+        int 			i, s, rc = 0, rid,
+				scratch_size;
+	int			media = IFM_TOKEN|IFM_TOK_UTP16;
+	u_long 			command;
+	char 			PCIConfigHeader[64];
+	struct oltr_softc		*sc = device_get_softc(dev);
+	struct ifnet		*ifp = &sc->arpcom.ac_if;
+
+        s = splimp();
+
+       	bzero(sc, sizeof(struct oltr_softc));
+	sc->unit = device_get_unit(dev);
+	sc->state = OL_UNKNOWN;
+
+	for (i = 0; i < sizeof(PCIConfigHeader); i++)
+		PCIConfigHeader[i] = pci_read_config(dev, i, 1);
+
+	switch(TRlldPCIConfig(&LldDriver, &sc->config, PCIConfigHeader)) {
+	case TRLLD_PCICONFIG_OK:
+		break;
+	case TRLLD_PCICONFIG_SET_COMMAND:
+		device_printf(dev, "enabling bus master mode\n");
+		command = pci_read_config(dev, PCIR_COMMAND, 4);
+		pci_write_config(dev, PCIR_COMMAND,
+			(command | PCIM_CMD_BUSMASTEREN), 4);
+		command = pci_read_config(dev, PCIR_COMMAND, 4);
+		if (!(command & PCIM_CMD_BUSMASTEREN)) {
+			device_printf(dev, "failed to enable bus master mode\n");
+			goto config_failed;
+		}
+		break;
+	case TRLLD_PCICONFIG_FAIL:
+		device_printf(dev, "TRlldPciConfig failed!\n");
+		goto config_failed;
+		break;
+	case TRLLD_PCICONFIG_VERSION:
+		device_printf(dev, "wrong LLD version\n");
+		goto config_failed;
+		break;
+	}
+	device_printf(dev, "MAC address %6D\n", sc->config.macaddress, ":");
+
+	scratch_size = TRlldAdapterSize();
+	if (bootverbose)
+		device_printf(dev, "adapter memory block size %d bytes\n", scratch_size);
+	sc->TRlldAdapter = (TRlldAdapter_t)malloc(scratch_size, M_DEVBUF, M_NOWAIT);
+	if (sc->TRlldAdapter == NULL) {
+		device_printf(dev, "couldn't allocate scratch buffer (%d bytes)\n", scratch_size);
+		goto config_failed;
+	}
+
+	/*
+	 * Allocate RX/TX Pools
+	 */
+	for (i = 0; i < RING_BUFFER_LEN; i++) {
+		sc->rx_ring[i].index = i;
+		sc->rx_ring[i].data = (char *)malloc(RX_BUFFER_LEN, M_DEVBUF, M_NOWAIT);
+		sc->rx_ring[i].address = vtophys(sc->rx_ring[i].data);
+		sc->tx_ring[i].index = i;
+		sc->tx_ring[i].data = (char *)malloc(TX_BUFFER_LEN, M_DEVBUF, M_NOWAIT);
+		sc->tx_ring[i].address = vtophys(sc->tx_ring[i].data);
+		if ((!sc->rx_ring[i].data) || (!sc->tx_ring[i].data)) {
+			device_printf(dev, "unable to allocate ring buffers\n");
+			while (i > 0) {
+				if (sc->rx_ring[i].data)
+					free(sc->rx_ring[i].data, M_DEVBUF);
+				if (sc->tx_ring[i].data)
+					free(sc->tx_ring[i].data, M_DEVBUF);
+				i--;
+			}
+			goto config_failed;
+		}
+	}
+	
+	/*
+	 * Allocate interrupt and DMA channel
+	 */
+	rid = 0;
+	sc->oltr_irq = bus_alloc_resource(dev, SYS_RES_IRQ, &rid, 0, ~0, 1,
+		(sc->config.mode & TRLLD_MODE_SHARE_INTERRUPT ? RF_ACTIVE | RF_SHAREABLE : RF_ACTIVE));
+	if (sc->oltr_irq == NULL) {
+		device_printf(dev, "couldn't map interrupt\n");
+		goto config_failed;
+	}
+	if (bus_setup_intr(dev, sc->oltr_irq, INTR_TYPE_NET, oltr_intr, sc, &sc->oltr_intrhand)) {
+		device_printf(dev, "couldn't setup interrupt\n");
+		bus_release_resource(dev, SYS_RES_IRQ, 0, sc->oltr_irq);
+		goto config_failed;
+	}
+
+	/*
+	 * Do the ifnet initialization
+	 */
+	ifp->if_softc	= sc;
+	ifp->if_unit	= device_get_unit(dev);
+	ifp->if_name	= "oltr";
+	ifp->if_output	= iso88025_output;
+	ifp->if_init	= oltr_init;
+	ifp->if_start	= oltr_start;
+	ifp->if_ioctl	= oltr_ioctl;
+	ifp->if_flags	= IFF_BROADCAST;
+	bcopy(sc->config.macaddress, sc->arpcom.ac_enaddr, sizeof(sc->config.macaddress));
+
+	/*
+	 * Do ifmedia setup.
+	 */
+	ifmedia_init(&sc->ifmedia, 0, oltr_ifmedia_upd, oltr_ifmedia_sts);
+	rc = TRlldSetSpeed(sc->TRlldAdapter, TRLLD_SPEED_16MBPS);
+	switch(sc->config.type) {
+	case TRLLD_ADAPTER_PCI7:	/* OC-3540 */
+		ifmedia_add(&sc->ifmedia, IFM_TOKEN|IFM_TOK_UTP100, 0, NULL);
+		/* FALL THROUGH */
+	case TRLLD_ADAPTER_PCI4:	/* OC-3139 */
+	case TRLLD_ADAPTER_PCI5:	/* OC-3140 */
+	case TRLLD_ADAPTER_PCI6:	/* OC-3141 */
+		ifmedia_add(&sc->ifmedia, IFM_TOKEN|IFM_AUTO, 0, NULL);
+		media = IFM_TOKEN|IFM_AUTO;
+		rc = TRlldSetSpeed(sc->TRlldAdapter, 0);
+		/* FALL THROUGH */
+	default:
+		ifmedia_add(&sc->ifmedia, IFM_TOKEN|IFM_TOK_UTP4, 0, NULL);
+		ifmedia_add(&sc->ifmedia, IFM_TOKEN|IFM_TOK_UTP16, 0, NULL);
+		break;
+	}
+	sc->ifmedia.ifm_media = media;
+	ifmedia_set(&sc->ifmedia, media);
+
+	/*
+	 * Attach the interface
+	 */
+	if_attach(ifp);
+	ifp->if_snd.ifq_maxlen = IFQ_MAXLEN;
+	iso88025_ifattach(ifp);
+
+#if (NBPFILTER > 0) || (__FreeBSD_version > 400000)
+	bpfattach(ifp, DLT_IEEE802, sizeof(struct iso88025_header));
+#endif
+
+	splx(s);
+	return(0);
+
+config_failed:
+
+	splx(s);
+	return(ENXIO);
+}
+
+static int
+oltr_pci_detach(device_t dev)
+{
+	struct oltr_softc	*sc = device_get_softc(dev);
+	struct ifnet		*ifp = &sc->arpcom.ac_if;
+	int s, i;
+
+	device_printf(dev, "driver unloading\n");
+
+	s = splimp();
+
+	if_detach(ifp);
+	if (sc->state > OL_CLOSED)
+		oltr_stop(sc);
+
+	untimeout(oltr_poll, (void *)sc, sc->oltr_poll_ch);
+	/*untimeout(oltr_stat, (void *)sc, sc->oltr_stat_ch);*/
+
+	bus_teardown_intr(dev, sc->oltr_irq, sc->oltr_intrhand);
+	bus_release_resource(dev, SYS_RES_IRQ, 0, sc->oltr_irq);
+
+	/* Deallocate all dynamic memory regions */
+	for (i = 0; i < RING_BUFFER_LEN; i++) {
+		free(sc->rx_ring[i].data, M_DEVBUF);
+		free(sc->tx_ring[i].data, M_DEVBUF);
+	}
+	if (sc->work_memory)
+		free(sc->work_memory, M_DEVBUF);
+	free(sc->TRlldAdapter, M_DEVBUF);
+
+	(void)splx(s);
+
+	return(0);
+}
+
+static void
+oltr_pci_shutdown(device_t dev)
+{
+	struct oltr_softc		*sc = device_get_softc(dev);
+
+	device_printf(dev, "oltr_pci_shutdown called\n");
+
+	if (sc->state > OL_CLOSED)
+		oltr_stop(sc);
+
+	return;
+}
+
+#else
+
+static const char *oltr_pci_probe	__P((pcici_t, pcidi_t));
+static void oltr_pci_attach		__P((pcici_t, int));
+
+static unsigned long oltr_count = 0;
+
+static struct pci_device oltr_device = {
+	"oltr",
+	oltr_pci_probe,
+	oltr_pci_attach,
+	&oltr_count,
+	NULL
+};
+
+DATA_SET(pcidevice_set, oltr_device);
+
+static const char *
+oltr_pci_probe(pcici_t config_id, pcidi_t device_id)
+{
+        int                     i, rc;
+        char                    PCIConfigHeader[64];
+        TRlldAdapterConfig_t    config;
+	
+	if (((device_id & 0xffff) == PCI_VENDOR_OLICOM) && (
+	    (((device_id >> 16) & 0xffff) == 0x0001) ||
+	    (((device_id >> 16) & 0xffff) == 0x0004) ||
+	    (((device_id >> 16) & 0xffff) == 0x0005) ||
+	    (((device_id >> 16) & 0xffff) == 0x0007) ||
+	    (((device_id >> 16) & 0xffff) == 0x0008))) {
+	
+		for (i = 0; i < 64; i++)
+			PCIConfigHeader[i] = pci_cfgread(config_id, i, /* bytes */ 1);
+
+		rc = TRlldPCIConfig(&LldDriver, &config, PCIConfigHeader);
+
+		if (rc == TRLLD_PCICONFIG_FAIL) {
+			printf("oltr: TRlldPciConfig failed!\n");
+			return(NULL);
+		}
+		if (rc == TRLLD_PCICONFIG_VERSION) {
+			printf("oltr: wrong LLD version.\n");
+			return(NULL);
+		}
+		return(AdapterName[config.type]);
+	}
+
+	return(NULL);
+}
+
+static void
+oltr_pci_attach(pcici_t config_id, int unit)
+{
+        int 			i, s, rc = 0, scratch_size;
+	int			media = IFM_TOKEN|IFM_TOK_UTP16;
+	u_long 			command;
+	char 			PCIConfigHeader[64];
+	struct oltr_softc		*sc;
+	struct ifnet		*ifp; /* = &sc->arpcom.ac_if; */
+
+        s = splimp();
+
+	sc = malloc(sizeof(struct oltr_softc), M_DEVBUF, M_NOWAIT | M_ZERO);
+	if (sc == NULL) {
+		printf("oltr%d: no memory for softc struct!\n", unit);
+		goto config_failed;
+	}
+	sc->unit = unit;
+	sc->state = OL_UNKNOWN;
+	ifp = &sc->arpcom.ac_if;
+
+	for (i = 0; i < sizeof(PCIConfigHeader); i++)
+		PCIConfigHeader[i] = pci_cfgread(config_id, i, 1);
+
+	switch(TRlldPCIConfig(&LldDriver, &sc->config, PCIConfigHeader)) {
+	case TRLLD_PCICONFIG_OK:
+		break;
+	case TRLLD_PCICONFIG_SET_COMMAND:
+		printf("oltr%d: enabling bus master mode\n", unit);
+		command = pci_conf_read(config_id, PCIR_COMMAND);
+		pci_conf_write(config_id, PCIR_COMMAND, (command | PCIM_CMD_BUSMASTEREN));
+		command = pci_conf_read(config_id, PCIR_COMMAND);
+		if (!(command & PCIM_CMD_BUSMASTEREN)) {
+			printf("oltr%d: failed to enable bus master mode\n", unit);
+			goto config_failed;
+		}
+		break;
+	case TRLLD_PCICONFIG_FAIL:
+		printf("oltr%d: TRlldPciConfig failed!\n", unit);
+		goto config_failed;
+		break;
+	case TRLLD_PCICONFIG_VERSION:
+		printf("oltr%d: wrong LLD version\n", unit);
+		goto config_failed;
+		break;
+	}
+	printf("oltr%d: MAC address %6D\n", unit, sc->config.macaddress, ":");
+
+	scratch_size = TRlldAdapterSize();
+	if (bootverbose)
+		printf("oltr%d: adapter memory block size %d bytes\n", unit, scratch_size);
+	sc->TRlldAdapter = (TRlldAdapter_t)malloc(scratch_size, M_DEVBUF, M_NOWAIT);
+	if (sc->TRlldAdapter == NULL) {
+		printf("oltr%d: couldn't allocate scratch buffer (%d bytes)\n",unit, scratch_size);
+		goto config_failed;
+	}
+
+	/*
+	 * Allocate RX/TX Pools
+	 */
+	for (i = 0; i < RING_BUFFER_LEN; i++) {
+		sc->rx_ring[i].index = i;
+		sc->rx_ring[i].data = (char *)malloc(RX_BUFFER_LEN, M_DEVBUF, M_NOWAIT);
+		sc->rx_ring[i].address = vtophys(sc->rx_ring[i].data);
+		sc->tx_ring[i].index = i;
+		sc->tx_ring[i].data = (char *)malloc(TX_BUFFER_LEN, M_DEVBUF, M_NOWAIT);
+		sc->tx_ring[i].address = vtophys(sc->tx_ring[i].data);
+		if ((!sc->rx_ring[i].data) || (!sc->tx_ring[i].data)) {
+			printf("oltr%d: unable to allocate ring buffers\n", unit);
+			while (i > 0) {
+				if (sc->rx_ring[i].data)
+					free(sc->rx_ring[i].data, M_DEVBUF);
+				if (sc->tx_ring[i].data)
+					free(sc->tx_ring[i].data, M_DEVBUF);
+				i--;
+			}
+			goto config_failed;
+		}
+	}
+	
+	/*
+	 * Allocate interrupt and DMA channel
+	 */
+	if (!pci_map_int(config_id, oltr_intr, sc, &net_imask)) {
+		printf("oltr%d: couldn't setup interrupt\n", unit);
+		goto config_failed;
+	}
+
+	/*
+	 * Do the ifnet initialization
+	 */
+	ifp->if_softc	= sc;
+	ifp->if_unit	= unit;
+	ifp->if_name	= "oltr";
+	ifp->if_output	= iso88025_output;
+	ifp->if_init	= oltr_init;
+	ifp->if_start	= oltr_start;
+	ifp->if_ioctl	= oltr_ioctl;
+	ifp->if_flags	= IFF_BROADCAST;
+	bcopy(sc->config.macaddress, sc->arpcom.ac_enaddr, sizeof(sc->config.macaddress));
+
+	/*
+	 * Do ifmedia setup.
+	 */
+	ifmedia_init(&sc->ifmedia, 0, oltr_ifmedia_upd, oltr_ifmedia_sts);
+	rc = TRlldSetSpeed(sc->TRlldAdapter, TRLLD_SPEED_16MBPS);
+	switch(sc->config.type) {
+	case TRLLD_ADAPTER_PCI7:	/* OC-3540 */
+		ifmedia_add(&sc->ifmedia, IFM_TOKEN|IFM_TOK_UTP100, 0, NULL);
+		/* FALL THROUGH */
+	case TRLLD_ADAPTER_PCI4:	/* OC-3139 */
+	case TRLLD_ADAPTER_PCI5:	/* OC-3140 */
+	case TRLLD_ADAPTER_PCI6:	/* OC-3141 */
+		ifmedia_add(&sc->ifmedia, IFM_TOKEN|IFM_AUTO, 0, NULL);
+		media = IFM_TOKEN|IFM_AUTO;
+		rc = TRlldSetSpeed(sc->TRlldAdapter, 0);
+		/* FALL THROUGH */
+	default:
+		ifmedia_add(&sc->ifmedia, IFM_TOKEN|IFM_TOK_UTP4, 0, NULL);
+		ifmedia_add(&sc->ifmedia, IFM_TOKEN|IFM_TOK_UTP16, 0, NULL);
+		break;
+	}
+	sc->ifmedia.ifm_media = media;
+	ifmedia_set(&sc->ifmedia, media);
+
+	/*
+	 * Attach the interface
+	 */
+	if_attach(ifp);
+	ifp->if_snd.ifq_maxlen = IFQ_MAXLEN;
+	iso88025_ifattach(ifp);
+
+#if (NBPFILTER > 0) || (__FreeBSD_version > 400000)
+	bpfattach(ifp, DLT_IEEE802, sizeof(struct iso88025_header));
+#endif
+
+	splx(s);
+	return;
+
+config_failed:
+        (void)splx(s);
+
+	return;
+}
+
+#endif
+
+static void
+oltr_intr(void *xsc)
+{
+	struct oltr_softc		*sc = (struct oltr_softc *)xsc;
+
+	if (DEBUG_MASK & DEBUG_INT)
+		printf("I");
+
+	TRlldInterruptService(sc->TRlldAdapter);
+
+	return;
+}
+
+static void
+oltr_start(struct ifnet *ifp)
+{
+	struct oltr_softc 	*sc = ifp->if_softc;
+	struct mbuf		*m0, *m;
+	int			copy_len, buffer, frame, fragment, rc, s;
+	
+	/*
+	 * Check to see if output is already active
+	 */
+	if (ifp->if_flags & IFF_OACTIVE)
+		return;
+
+outloop:
+
+	/*
+	 * Make sure we have buffers to transmit with
+	 */
+	if (sc->tx_avail <= 0) {
+		printf("oltr%d: tx queue full\n", sc->unit);
+		ifp->if_flags |= IFF_OACTIVE;
+		return;
+	}
+
+	if (sc->restart == NULL) {
+		IF_DEQUEUE(&ifp->if_snd, m);
+		if (m == NULL)
+			return;
+	} else {
+		m = sc->restart;
+		sc->restart = NULL;
+	}
+
+	m0 = m;
+	frame = RING_BUFFER(sc->tx_frame);
+	buffer = RING_BUFFER(sc->tx_head);
+	fragment = 0;
+	copy_len = 0;
+	sc->frame_ring[frame].FragmentCount = 0;
+	
+	while (copy_len < m0->m_pkthdr.len) {
+		sc->frame_ring[frame].FragmentCount++;
+		if (sc->frame_ring[frame].FragmentCount > sc->tx_avail)
+			goto nobuffers;
+		sc->frame_ring[frame].TransmitFragment[fragment].VirtualAddress = sc->tx_ring[buffer].data;
+		sc->frame_ring[frame].TransmitFragment[fragment].PhysicalAddress = sc->tx_ring[buffer].address;
+		sc->frame_ring[frame].TransmitFragment[fragment].count = MIN(m0->m_pkthdr.len - copy_len, TX_BUFFER_LEN);
+		m_copydata(m0, copy_len, MIN(m0->m_pkthdr.len - copy_len, TX_BUFFER_LEN), sc->tx_ring[buffer].data);
+		copy_len += MIN(m0->m_pkthdr.len - copy_len, TX_BUFFER_LEN);
+		fragment++;
+		buffer = RING_BUFFER((buffer + 1));
+	}
+
+	s = splimp();
+	rc = TRlldTransmitFrame(sc->TRlldAdapter, &sc->frame_ring[frame], (void *)&sc->frame_ring[frame]);
+	(void)splx(s);
+
+	if (rc != TRLLD_TRANSMIT_OK) {
+		printf("oltr%d: TRlldTransmitFrame returned %d\n", sc->unit, rc);
+		ifp->if_oerrors++;
+		goto bad;
+	}
+
+	sc->tx_avail -= sc->frame_ring[frame].FragmentCount;
+	sc->tx_head = RING_BUFFER((sc->tx_head + sc->frame_ring[frame].FragmentCount));
+	sc->tx_frame++;
+
+#if (NBPFILTER > 0) || (__FreeBSD_version > 400000)
+	BPF_MTAP(ifp, m0);
+#endif
+	/*ifp->if_opackets++;*/
+
+bad:
+	m_freem(m0);
+
+	goto outloop;
+
+nobuffers:
+
+	printf("oltr%d: queue full\n", sc->unit);
+	ifp->if_flags |= IFF_OACTIVE;
+	ifp->if_oerrors++;
+	/*m_freem(m0);*/
+	sc->restart = m0;
+
+	return;
+}
+
+static void
+oltr_close(struct oltr_softc *sc)
+{
+	/*printf("oltr%d: oltr_close\n", sc->unit);*/
+
+	oltr_stop(sc);
+
+	tsleep(sc, PWAIT, "oltrclose", 30*hz);
+}
+
+static void
+oltr_stop(struct oltr_softc *sc)
+{
+	struct ifnet 		*ifp = &sc->arpcom.ac_if;
+
+	/*printf("oltr%d: oltr_stop\n", sc->unit);*/
+
+	ifp->if_flags &= ~(IFF_UP | IFF_RUNNING | IFF_OACTIVE);
+	TRlldClose(sc->TRlldAdapter, 0);
+	sc->state = OL_CLOSING;
+}
+
+static void
+oltr_init(void * xsc)
+{
+	struct oltr_softc 	*sc = (struct oltr_softc *)xsc;
+	struct ifnet		*ifp = &sc->arpcom.ac_if;
+	struct ifmedia		*ifm = &sc->ifmedia;
+	int			poll = 0, i, rc = 0, s;
+	int			work_size;
+
+	/*
+	 * Check adapter state, don't allow multiple inits
+	 */
+	if (sc->state > OL_CLOSED) {
+		printf("oltr%d: adapter not ready\n", sc->unit);
+		return;
+	}
+
+	s = splimp();
+
+	/*
+	 * Initialize Adapter
+	 */
+	if ((rc = TRlldAdapterInit(&LldDriver, sc->TRlldAdapter, vtophys(sc->TRlldAdapter),
+	    (void *)sc, &sc->config)) != TRLLD_INIT_OK) {
+		switch(rc) {
+		case TRLLD_INIT_NOT_FOUND:
+			printf("oltr%d: adapter not found\n", sc->unit);
+			break;
+		case TRLLD_INIT_UNSUPPORTED:
+			printf("oltr%d: adapter not supported by low level driver\n", sc->unit);
+			break;
+		case TRLLD_INIT_PHYS16:
+			printf("oltr%d: adapter memory block above 16M cannot DMA\n", sc->unit);
+			break;
+		case TRLLD_INIT_VERSION:
+			printf("oltr%d: low level driver version mismatch\n", sc->unit);
+			break;
+		default:
+			printf("oltr%d: unknown init error %d\n", sc->unit, rc);
+			break;
+		}
+		goto init_failed;
+	}
+	sc->state = OL_INIT;
+
+	switch(sc->config.type) {
+	case TRLLD_ADAPTER_PCI4:        /* OC-3139 */
+		work_size = 32 * 1024;
+		break;
+	case TRLLD_ADAPTER_PCI7:        /* OC-3540 */
+		work_size = 256;
+		break;
+	default:
+		work_size = 0;
+	}
+
+	if (work_size) {
+		if ((sc->work_memory = malloc(work_size, M_DEVBUF, M_NOWAIT)) == NULL) {
+			printf("oltr%d: failed to allocate work memory (%d octets).\n", sc->unit, work_size);
+		} else {
+		TRlldAddMemory(sc->TRlldAdapter, sc->work_memory,
+		    vtophys(sc->work_memory), work_size);
+		}
+	}
+
+	switch(IFM_SUBTYPE(ifm->ifm_media)) {
+	case IFM_AUTO:
+		rc = TRlldSetSpeed(sc->TRlldAdapter, 0); /* TRLLD_SPEED_AUTO */
+		break;
+	case IFM_TOK_UTP4:
+		rc = TRlldSetSpeed(sc->TRlldAdapter, TRLLD_SPEED_4MBPS);
+		break;
+	case IFM_TOK_UTP16:
+		rc = TRlldSetSpeed(sc->TRlldAdapter, TRLLD_SPEED_16MBPS);
+		break;
+	case IFM_TOK_UTP100:
+		rc = TRlldSetSpeed(sc->TRlldAdapter, TRLLD_SPEED_100MBPS);
+		break;
+	}
+
+	/*
+	 * Download adapter micro-code
+	 */
+	if (bootverbose)
+		printf("oltr%d: Downloading adapter microcode: ", sc->unit);
+
+	switch(sc->config.mactype) {
+	case TRLLD_MAC_TMS:
+		rc = TRlldDownload(sc->TRlldAdapter, TRlldMacCode);
+		if (bootverbose)
+			printf("TMS-380");
+		break;
+	case TRLLD_MAC_HAWKEYE:
+		rc = TRlldDownload(sc->TRlldAdapter, TRlldHawkeyeMac);
+		if (bootverbose)
+			printf("Hawkeye");
+		break;
+	case TRLLD_MAC_BULLSEYE:
+		rc = TRlldDownload(sc->TRlldAdapter, TRlldBullseyeMac);
+		if (bootverbose)
+			printf("Bullseye");
+		break;
+	default:
+		if (bootverbose)
+			printf("unknown - failed!\n");
+		goto init_failed;
+		break;
+	}
+
+	/*
+	 * Check download status
+	 */
+	switch(rc) {
+	case TRLLD_DOWNLOAD_OK:
+		if (bootverbose)
+			printf(" - ok\n");
+		break;
+	case TRLLD_DOWNLOAD_ERROR:
+		if (bootverbose)
+			printf(" - failed\n");
+		else
+			printf("oltr%d: adapter microcode download failed\n", sc->unit);
+		goto init_failed;
+		break;
+	case TRLLD_STATE:
+		if (bootverbose)
+			printf(" - not ready\n");
+		goto init_failed;
+		break;
+	}
+
+	/*
+	 * Wait for self-test to complete
+	 */
+	i = 0;
+	while ((poll++ < SELF_TEST_POLLS) && (sc->state < OL_READY)) {
+		if (DEBUG_MASK & DEBUG_INIT)
+			printf("p");
+		DELAY(TRlldPoll(sc->TRlldAdapter) * 1000);
+		if (TRlldInterruptService(sc->TRlldAdapter) != 0)
+			if (DEBUG_MASK & DEBUG_INIT) printf("i");
+	}
+
+	if (sc->state != OL_CLOSED) {
+		printf("oltr%d: self-test failed\n", sc->unit);
+		goto init_failed;
+	}
+
+	/*
+	 * Set up adapter poll
+	 */
+	callout_handle_init(&sc->oltr_poll_ch);
+	sc->oltr_poll_ch = timeout(oltr_poll, (void *)sc, 1);
+
+	sc->state = OL_OPENING;
+
+	/*
+	 * Open the adapter
+	 */
+	rc = TRlldOpen(sc->TRlldAdapter, sc->arpcom.ac_enaddr, sc->GroupAddress,
+		sc->FunctionalAddress, 1552, sc->AdapterMode);
+	switch(rc) {
+		case TRLLD_OPEN_OK:
+			break;
+		case TRLLD_OPEN_STATE:
+			printf("oltr%d: adapter not ready for open\n", sc->unit);
+			(void)splx(s);
+			return;
+		case TRLLD_OPEN_ADDRESS_ERROR:
+			printf("oltr%d: illegal MAC address\n", sc->unit);
+			(void)splx(s);
+			return;
+		case TRLLD_OPEN_MODE_ERROR:
+			printf("oltr%d: illegal open mode\n", sc->unit);
+			(void)splx(s);
+			return;
+		default:
+			printf("oltr%d: unknown open error (%d)\n", sc->unit, rc);
+			(void)splx(s);
+			return;
+	}
+
+	/*
+	 * Set promiscious mode for now...
+	 */
+	TRlldSetPromiscuousMode(sc->TRlldAdapter, TRLLD_PROM_LLC);
+	ifp->if_flags |= IFF_PROMISC;
+
+	/*
+	 * Block on the ring insert and set a timeout
+	 */
+	tsleep(sc, PWAIT, "oltropen", 30*hz);
+
+	/*
+	 * Set up receive buffer ring
+	 */
+	for (i = 0; i < RING_BUFFER_LEN; i++) {
+		rc = TRlldReceiveFragment(sc->TRlldAdapter, (void *)sc->rx_ring[i].data,
+			sc->rx_ring[i].address, RX_BUFFER_LEN, (void *)sc->rx_ring[i].index);
+		if (rc != TRLLD_RECEIVE_OK) {
+			printf("oltr%d: adapter refused receive fragment %d (rc = %d)\n", sc->unit, i, rc);
+			break;
+		}	
+	}
+
+	sc->tx_avail = RING_BUFFER_LEN;
+	sc->tx_head = 0;
+	sc->tx_frame = 0;
+
+	sc->restart = NULL;
+
+	ifp->if_flags |= IFF_RUNNING;
+	ifp->if_flags &= ~IFF_OACTIVE;
+
+	/*
+	 * Set up adapter statistics poll
+	 */
+	/*callout_handle_init(&sc->oltr_stat_ch);*/
+	/*sc->oltr_stat_ch = timeout(oltr_stat, (void *)sc, 1*hz);*/
+
+	(void)splx(s);
+	return;
+
+init_failed:
+	sc->state = OL_DEAD;
+	(void)splx(s);
+	return;
+}
+
+static int
+oltr_ioctl(struct ifnet *ifp, u_long command, caddr_t data)
+{
+	struct oltr_softc 	*sc = ifp->if_softc;
+	struct ifreq		*ifr = (struct ifreq *)data;
+	int 			error = 0, s;
+
+	s = splimp();
+
+	switch(command) {
+	case SIOCSIFADDR:
+	case SIOCGIFADDR:
+	case SIOCSIFMTU:
+		error = iso88025_ioctl(ifp, command, data);
+		break;
+
+	case SIOCSIFFLAGS:
+		if (ifp->if_flags & IFF_UP) {
+			oltr_init(sc);
+		} else {
+			if (ifp->if_flags & IFF_RUNNING) {
+				oltr_close(sc);
+			}
+		}
+		break;
+	case SIOCGIFMEDIA:
+	case SIOCSIFMEDIA:
+		error = ifmedia_ioctl(ifp, ifr, &sc->ifmedia, command);
+		break;
+	default:
+		error = EINVAL;
+		break;
+	}
+
+	(void)splx(s);	
+
+	return(error);
+}
+
+
+void
+oltr_poll(void *arg)
+{
+	struct oltr_softc *sc = (struct oltr_softc *)arg;
+	int s;
+
+	s = splimp();
+
+	if (DEBUG_MASK & DEBUG_POLL) printf("P");
+
+	/* Set up next adapter poll */
+	sc->oltr_poll_ch = timeout(oltr_poll, (void *)sc, (TRlldPoll(sc->TRlldAdapter) * hz / 1000));
+
+	(void)splx(s);
+}
+
+#ifdef NOTYET
+void
+oltr_stat(void *arg)
+{
+	struct oltr_softc	*sc = (struct oltr_softc *)arg;
+	int			s;
+
+	s = splimp();
+
+	/* Set up next adapter poll */
+	sc->oltr_stat_ch = timeout(oltr_stat, (void *)sc, 1*hz);
+	if (TRlldGetStatistics(sc->TRlldAdapter, &sc->current, 0) != 0) {
+		/*printf("oltr%d: statistics available immediately...\n", sc->unit);*/
+		DriverStatistics((void *)sc, &sc->current);
+	}
+
+	(void)splx(s);
+}
+#endif
+static int
+oltr_ifmedia_upd(struct ifnet *ifp)
+{
+	struct oltr_softc 	*sc = ifp->if_softc;
+	struct ifmedia		*ifm = &sc->ifmedia;
+	int			rc;
+
+	if (IFM_TYPE(ifm->ifm_media) != IFM_TOKEN)
+		return(EINVAL);
+
+	switch(IFM_SUBTYPE(ifm->ifm_media)) {
+	case IFM_AUTO:
+		rc = TRlldSetSpeed(sc->TRlldAdapter, 0); /* TRLLD_SPEED_AUTO */
+		break;
+	case IFM_TOK_UTP4:
+		rc = TRlldSetSpeed(sc->TRlldAdapter, TRLLD_SPEED_4MBPS);
+		break;
+	case IFM_TOK_UTP16:
+		rc = TRlldSetSpeed(sc->TRlldAdapter, TRLLD_SPEED_16MBPS);
+		break;
+	case IFM_TOK_UTP100:
+		rc = TRlldSetSpeed(sc->TRlldAdapter, TRLLD_SPEED_100MBPS);
+		break;
+	default:
+		return(EINVAL);
+		break;
+	}
+
+	return(0);
+
+}
+
+static void
+oltr_ifmedia_sts(struct ifnet *ifp, struct ifmediareq *ifmr)
+{
+	struct oltr_softc	*sc = ifp->if_softc;
+	struct ifmedia		*ifm = &sc->ifmedia;
+
+	/*printf("oltr%d: oltr_ifmedia_sts\n", sc->unit);*/
+
+	ifmr->ifm_active = IFM_TYPE(ifm->ifm_media)|IFM_SUBTYPE(ifm->ifm_media);
+
+}
+
+/*
+ * ---------------------- PMW Callback Functions -----------------------
+ */
+
+void
+DriverStatistics(void *DriverHandle, TRlldStatistics_t *statistics)
+{
+#ifdef NOTYET
+	struct oltr_softc		*sc = (struct oltr_softc *)DriverHandle;
+
+	if (sc->statistics.LineErrors != statistics->LineErrors)
+		printf("oltr%d: Line Errors %lu\n", sc->unit,
+		    statistics->LineErrors);
+	if (sc->statistics.InternalErrors != statistics->InternalErrors)
+		printf("oltr%d: Internal Errors %lu\n", sc->unit,
+		    statistics->InternalErrors);
+	if (sc->statistics.BurstErrors != statistics->BurstErrors)
+		printf("oltr%d: Burst Errors %lu\n", sc->unit,
+		    statistics->BurstErrors);
+	if (sc->statistics.AbortDelimiters != statistics->AbortDelimiters)
+		printf("oltr%d: Abort Delimiters %lu\n", sc->unit,
+		    statistics->AbortDelimiters);
+	if (sc->statistics.ARIFCIErrors != statistics->ARIFCIErrors)
+		printf("oltr%d: ARIFCI Errors %lu\n", sc->unit,
+		    statistics->ARIFCIErrors);
+	if (sc->statistics.LostFrames != statistics->LostFrames)
+		printf("oltr%d: Lost Frames %lu\n", sc->unit,
+		    statistics->LostFrames);
+	if (sc->statistics.CongestionErrors != statistics->CongestionErrors)
+		printf("oltr%d: Congestion Errors %lu\n", sc->unit,
+		    statistics->CongestionErrors);
+	if (sc->statistics.FrequencyErrors != statistics->FrequencyErrors)
+		printf("oltr%d: Frequency Errors %lu\n", sc->unit,
+		    statistics->FrequencyErrors);
+	if (sc->statistics.TokenErrors != statistics->TokenErrors)
+		printf("oltr%d: Token Errors %lu\n", sc->unit,
+		    statistics->TokenErrors);
+	if (sc->statistics.DMABusErrors != statistics->DMABusErrors)
+		printf("oltr%d: DMA Bus Errors %lu\n", sc->unit,
+		    statistics->DMABusErrors);
+	if (sc->statistics.DMAParityErrors != statistics->DMAParityErrors)
+		printf("oltr%d: DMA Parity Errors %lu\n", sc->unit,
+		    statistics->DMAParityErrors);
+	if (sc->statistics.ReceiveLongFrame != statistics->ReceiveLongFrame)
+		printf("oltr%d: Long frames received %lu\n", sc->unit,
+		    statistics->ReceiveLongFrame);
+	if (sc->statistics.ReceiveCRCErrors != statistics->ReceiveCRCErrors)
+		printf("oltr%d: Receive CRC Errors %lu\n", sc->unit,
+		    statistics->ReceiveCRCErrors);
+	if (sc->statistics.ReceiveOverflow != statistics->ReceiveOverflow)
+		printf("oltr%d: Recieve overflows %lu\n", sc->unit,
+		    statistics->ReceiveOverflow);
+	if (sc->statistics.TransmitUnderrun != statistics->TransmitUnderrun)
+		printf("oltr%d: Frequency Errors %lu\n", sc->unit,
+		    statistics->TransmitUnderrun);
+	bcopy(statistics, &sc->statistics, sizeof(TRlldStatistics_t));
+#endif
+}
+
+static void
+DriverSuspend(unsigned short MicroSeconds)
+{
+    DELAY(MicroSeconds);
+}
+
+
+static void
+DriverStatus(void *DriverHandle, TRlldStatus_t *Status)
+{
+	struct oltr_softc	*sc = (struct oltr_softc *)DriverHandle;
+	struct ifnet		*ifp = &sc->arpcom.ac_if;
+
+	char *Protocol[] = { /* 0 */ "Unknown",
+			     /* 1 */ "TKP",
+			     /* 2 */ "TXI" };
+	char *Timeout[]  = { /* 0 */ "command",
+			     /* 1 */ "transmit",
+			     /* 2 */ "interrupt" };
+	
+	switch (Status->Type) {
+
+	case TRLLD_STS_ON_WIRE:
+		printf("oltr%d: ring insert (%d Mbps - %s)\n", sc->unit,
+		    Status->Specification.OnWireInformation.Speed,
+		    Protocol[Status->Specification.OnWireInformation.AccessProtocol]);
+		sc->state = OL_OPEN;
+		wakeup(sc);
+		break;
+	case TRLLD_STS_SELFTEST_STATUS:
+		if (Status->Specification.SelftestStatus == TRLLD_ST_OK) {
+			sc->state = OL_CLOSED;
+			if (bootverbose)
+				printf("oltr%d: self test complete\n", sc->unit);
+		}
+		if (Status->Specification.SelftestStatus & TRLLD_ST_ERROR) {
+			printf("oltr%d: Adapter self test error %d", sc->unit,
+			Status->Specification.SelftestStatus & ~TRLLD_ST_ERROR);
+			sc->state = OL_DEAD;
+		}
+		if (Status->Specification.SelftestStatus & TRLLD_ST_TIMEOUT) {
+			printf("oltr%d: Adapter self test timed out.\n", sc->unit);
+			sc->state = OL_DEAD;
+		}
+		break;
+	case TRLLD_STS_INIT_STATUS:
+		if (Status->Specification.InitStatus == 0x800) {
+			oltr_stop(sc);
+			ifmedia_set(&sc->ifmedia, IFM_TOKEN|IFM_TOK_UTP16);
+			TRlldSetSpeed(sc->TRlldAdapter, TRLLD_SPEED_16MBPS);
+			oltr_init(sc);
+			break;
+		}
+		printf("oltr%d: adapter init failure 0x%03x\n", sc->unit,
+		    Status->Specification.InitStatus);
+		oltr_stop(sc);
+		break;
+	case TRLLD_STS_RING_STATUS:
+		if (Status->Specification.RingStatus) {
+			printf("oltr%d: Ring status change: ", sc->unit);
+			if (Status->Specification.RingStatus &
+			    TRLLD_RS_SIGNAL_LOSS)
+				printf(" [Signal Loss]");
+			if (Status->Specification.RingStatus &
+			    TRLLD_RS_HARD_ERROR)
+				printf(" [Hard Error]");
+			if (Status->Specification.RingStatus &
+			    TRLLD_RS_SOFT_ERROR)
+				printf(" [Soft Error]");
+			if (Status->Specification.RingStatus &
+			    TRLLD_RS_TRANSMIT_BEACON)
+				printf(" [Beacon]");
+			if (Status->Specification.RingStatus &
+			    TRLLD_RS_LOBE_WIRE_FAULT)
+				printf(" [Wire Fault]");
+			if (Status->Specification.RingStatus &
+			    TRLLD_RS_AUTO_REMOVAL_ERROR)
+				printf(" [Auto Removal]");
+			if (Status->Specification.RingStatus &
+			    TRLLD_RS_REMOVE_RECEIVED)
+				printf(" [Remove Received]");
+			if (Status->Specification.RingStatus &
+			    TRLLD_RS_COUNTER_OVERFLOW)
+				printf(" [Counter Overflow]");
+			if (Status->Specification.RingStatus &
+			    TRLLD_RS_SINGLE_STATION)
+				printf(" [Single Station]");
+			if (Status->Specification.RingStatus &
+				TRLLD_RS_RING_RECOVERY)
+				printf(" [Ring Recovery]");
+			printf("\n");	
+		}
+		break;
+	case TRLLD_STS_ADAPTER_CHECK:
+		printf("oltr%d: adapter check (%04x %04x %04x %04x)\n", sc->unit,
+		    Status->Specification.AdapterCheck[0],
+		    Status->Specification.AdapterCheck[1],
+		    Status->Specification.AdapterCheck[2],
+		    Status->Specification.AdapterCheck[3]);
+		sc->state = OL_DEAD;
+		oltr_stop(sc);
+		break;
+	case TRLLD_STS_PROMISCUOUS_STOPPED:
+		printf("oltr%d: promiscuous mode ", sc->unit);
+		if (Status->Specification.PromRemovedCause == 1)
+			printf("remove received.");
+		if (Status->Specification.PromRemovedCause == 2)
+			printf("poll failure.");
+		if (Status->Specification.PromRemovedCause == 2)
+			printf("buffer size failure.");
+		printf("\n");
+		ifp->if_flags &= ~IFF_PROMISC;
+		break;
+	case TRLLD_STS_LLD_ERROR:
+		printf("oltr%d: low level driver internal error ", sc->unit);
+		printf("(%04x %04x %04x %04x).\n",
+		    Status->Specification.InternalError[0],
+		    Status->Specification.InternalError[1],
+		    Status->Specification.InternalError[2],
+		    Status->Specification.InternalError[3]);
+		sc->state = OL_DEAD;
+		oltr_stop(sc);
+		break;
+	case TRLLD_STS_ADAPTER_TIMEOUT:
+		printf("oltr%d: adapter %s timeout.\n", sc->unit,
+		    Timeout[Status->Specification.AdapterTimeout]);
+		break;
+	default:
+		printf("oltr%d: driver status Type = %d\n", sc->unit, Status->Type);
+		break;
+
+	}
+	if (Status->Closed) {
+		sc->state = OL_CLOSING;
+		oltr_stop(sc);
+	}
+
+}
+
+static void
+DriverCloseCompleted(void *DriverHandle)
+{
+	struct oltr_softc		*sc = (struct oltr_softc *)DriverHandle;
+	
+	printf("oltr%d: adapter closed\n", sc->unit);
+	wakeup(sc);
+	sc->state = OL_CLOSED;
+}
+
+static void
+DriverTransmitFrameCompleted(void *DriverHandle, void *FrameHandle, int TransmitStatus)
+{
+	struct oltr_softc	*sc = (struct oltr_softc *)DriverHandle;
+	struct ifnet		*ifp = &sc->arpcom.ac_if;
+	TRlldTransmit_t		*frame = (TRlldTransmit_t *)FrameHandle;
+	
+	/*printf("oltr%d: DriverTransmitFrameCompleted\n", sc->unit);*/
+
+	if (TransmitStatus != TRLLD_TRANSMIT_OK) {
+		ifp->if_oerrors++;
+		printf("oltr%d: transmit error %d\n", sc->unit, TransmitStatus);
+	} else {
+		ifp->if_opackets++;
+	}
+	
+	sc->tx_avail += frame->FragmentCount;
+
+	if (ifp->if_flags & IFF_OACTIVE) {
+		printf("oltr%d: queue restart\n", sc->unit);
+		ifp->if_flags &= ~IFF_OACTIVE;
+		oltr_start(ifp);
+	}
+
+
+}
+
+static void
+DriverReceiveFrameCompleted(void *DriverHandle, int ByteCount, int FragmentCount, void *FragmentHandle, int ReceiveStatus)
+{
+	struct oltr_softc 	*sc = (struct oltr_softc *)DriverHandle;
+	struct ifnet		*ifp = (struct ifnet *)&sc->arpcom.ac_if;
+	struct mbuf		*m0, *m1, *m;
+	struct iso88025_header	*th;
+	int			frame_len = ByteCount, hdr_len, i = (int)FragmentHandle, rc, s;
+	int			mbuf_offset, mbuf_size, frag_offset, copy_length;
+	char			*fragment = sc->rx_ring[RING_BUFFER(i)].data;
+	
+	if (sc->state > OL_CLOSED) {
+		if (ReceiveStatus == TRLLD_RCV_OK) {
+			MGETHDR(m0, M_NOWAIT, MT_DATA);
+			mbuf_size = MHLEN - 2;
+			if (!m0) {
+				ifp->if_ierrors++;
+				goto dropped;
+			}
+			if (ByteCount + 2 > MHLEN) {
+				MCLGET(m0, M_NOWAIT);
+				mbuf_size = MCLBYTES - 2;
+				if (!(m0->m_flags & M_EXT)) {
+					m_freem(m0);
+					ifp->if_ierrors++;
+					goto dropped;
+				}
+			}
+			m0->m_pkthdr.rcvif = ifp;
+			m0->m_pkthdr.len = ByteCount;
+			m0->m_len = 0;
+			m0->m_data += 2;
+			th = mtod(m0, struct iso88025_header *);
+			m0->m_pkthdr.header = (void *)th;
+
+			m = m0;
+			mbuf_offset = 0;
+			frag_offset = 0;
+			while (frame_len) {
+				copy_length = MIN3(frame_len,
+				    (RX_BUFFER_LEN - frag_offset),
+				    (mbuf_size - mbuf_offset));
+				bcopy(fragment + frag_offset, mtod(m, char *) +
+				    mbuf_offset, copy_length);
+				m->m_len += copy_length;
+				mbuf_offset += copy_length;
+				frag_offset += copy_length;
+				frame_len -= copy_length;
+			
+				if (frag_offset == RX_BUFFER_LEN) {
+					fragment =
+					    sc->rx_ring[RING_BUFFER(++i)].data;
+					frag_offset = 0;
+				}
+				if ((mbuf_offset == mbuf_size) && (frame_len > 0)) {
+					MGET(m1, M_NOWAIT, MT_DATA);
+					mbuf_size = MHLEN;
+					if (!m1) {
+						ifp->if_ierrors++;
+						m_freem(m0);
+						goto dropped;
+					}
+					if (frame_len > MHLEN) {
+						MCLGET(m1, M_NOWAIT);
+						mbuf_size = MCLBYTES;
+						if (!(m1->m_flags & M_EXT)) {
+							m_freem(m0);
+							m_freem(m1);
+							ifp->if_ierrors++;
+							goto dropped;
+						}
+					}
+					m->m_next = m1;
+					m = m1;
+					mbuf_offset = 0;
+					m->m_len = 0;
+				}
+			}
+#if (NBPFILTER > 0) || (__FreeBSD_version > 400000)
+			BPF_MTAP(ifp, m0);
+#endif
+
+			/*if (ifp->if_flags & IFF_PROMISC) {*/
+				if (bcmp(th->iso88025_dhost, etherbroadcastaddr
+				    , sizeof(th->iso88025_dhost))) {
+					if ((bcmp(th->iso88025_dhost + 1, sc->arpcom.ac_enaddr + 1, ISO88025_ADDR_LEN - 1)) ||
+					    ((th->iso88025_dhost[0] & 0x7f) != sc->arpcom.ac_enaddr[0])) {
+						m_freem(m0);
+						goto dropped;
+					}
+				}
+			/*}*/
+			ifp->if_ipackets++;
+
+			hdr_len = ISO88025_HDR_LEN;
+			if (th->iso88025_shost[0] & 0x80)
+				hdr_len += (ntohs(th->rcf) & 0x1f00) >> 8;
+
+			m0->m_pkthdr.len -= hdr_len;
+			m0->m_len -= hdr_len;
+			m0->m_data += hdr_len;
+
+			iso88025_input(ifp, th, m0);
+
+		} else {	/* Receiver error */
+			if (ReceiveStatus != TRLLD_RCV_NO_DATA) {
+				printf("oltr%d: receive error %d\n", sc->unit,
+				    ReceiveStatus);
+				ifp->if_ierrors++;
+			}
+		}
+
+dropped:
+		s = splimp();
+		i = (int)FragmentHandle;
+		while (FragmentCount--) {
+			rc = TRlldReceiveFragment(sc->TRlldAdapter,
+			    (void *)sc->rx_ring[RING_BUFFER(i)].data,
+			    sc->rx_ring[RING_BUFFER(i)].address,
+			    RX_BUFFER_LEN, (void *)sc->rx_ring[RING_BUFFER(i)].index);
+			if (rc != TRLLD_RECEIVE_OK) {
+				printf("oltr%d: adapter refused receive fragment %d (rc = %d)\n", sc->unit, i, rc);
+				break;
+			}
+			i++;
+		}
+		(void)splx(s);
+	}
+}
+
+
+/*
+ * ---------------------------- PMW Glue -------------------------------
+ */
+
+#ifndef TRlldInlineIO
+
+static void
+DriverOutByte(unsigned short IOAddress, unsigned char value)
+{
+	outb(IOAddress, value);
+}
+
+static void
+DriverOutWord(unsigned short IOAddress, unsigned short value)
+{
+	outw(IOAddress, value);
+}
+
+static void
+DriverOutDword(unsigned short IOAddress, unsigned long value)
+{
+	outl(IOAddress, value);
+}
+
+static void
+DriverRepOutByte(unsigned short IOAddress, unsigned char *DataPointer, int ByteCount)
+{
+	outsb(IOAddress, (void *)DataPointer, ByteCount);
+}
+
+static void
+DriverRepOutWord(unsigned short IOAddress, unsigned short *DataPointer, int WordCount)
+{
+	outsw(IOAddress, (void *)DataPointer, WordCount);
+}
+
+static void
+DriverRepOutDword(unsigned short IOAddress, unsigned long *DataPointer, int DWordCount)
+{
+	outsl(IOAddress, (void *)DataPointer, DWordCount);
+}
+
+static unsigned char
+DriverInByte(unsigned short IOAddress)
+{
+	return(inb(IOAddress));
+}
+
+static unsigned short
+DriverInWord(unsigned short IOAddress)
+{
+	return(inw(IOAddress));
+}
+
+static unsigned long
+DriverInDword(unsigned short IOAddress)
+{
+	return(inl(IOAddress));
+}
+
+static void
+DriverRepInByte(unsigned short IOAddress, unsigned char *DataPointer, int ByteCount)
+{
+	insb(IOAddress, (void *)DataPointer, ByteCount);
+}
+
+static void
+DriverRepInWord(unsigned short IOAddress, unsigned short *DataPointer, int WordCount)
+{
+	insw(IOAddress, (void *)DataPointer, WordCount);
+}
+static void
+DriverRepInDword( unsigned short IOAddress, unsigned long *DataPointer, int DWordCount)
+{
+	insl(IOAddress, (void *)DataPointer, DWordCount);
+}
+#endif /* TRlldInlineIO */
diff --git a/sys/contrib/dev/oltr/trlld.h b/sys/contrib/dev/oltr/trlld.h
new file mode 100644
index 0000000..988cf35
--- /dev/null
+++ b/sys/contrib/dev/oltr/trlld.h
@@ -0,0 +1,902 @@
+/*

+ ******************************  trlld.h  ***********************************

+ *

+ *                          Copyright (c) 1997

+ *                          OLICOM A/S

+ *                          Denmark

+ *

+ *                          All Rights Reserved

+ *

+ *      This source file is subject to the terms and conditions of the

+ *      OLICOM Software License Agreement which restricts the manner

+ *      in which it may be used.

+ *

+ *---------------------------------------------------------------------------

+ *

+ * Description: PowerMACH Works header file

+ * $FreeBSD$
+ *

+ *---------------------------------------------------------------------------

+ * $Log:   J:/usr/project/trlld/libsrc/include/trlld.h_v  $

+ * 

+ *    Rev 1.9   25 Jan 1999 09:56:28   EGS

+ * Added 3150

+ * 

+ *    Rev 1.8   10 Dec 1998 12:24:52   JHM

+ * version 1.2.0,prominfo structure with shorts.

+ * 

+ *    Rev 1.7   25 Nov 1998 16:18:48   JHM

+ * Bullseye mac, 100MBPS, mactype in config structure,

+ * 3540 adapter, TRlldTransmitFree, TRlldReceiveFree,

+ * TRlldAdapterName

+ * 

+ *    Rev 1.6   23 Oct 1998 16:00:36   JHM

+ * hawkeye adapter types

+ * 

+ *    Rev 1.5   11 Aug 1998 12:22:06   JHM

+ * split hawkeye types into PCI4,5,6

+ * 

+ *    Rev 1.4   10 Jul 1998 14:39:22   JHM

+ * OC_3140,OC_3250

+ * 

+ *    Rev 1.3   18 Jun 1998 11:32:20   JHM

+ * AddMemory,OC_3250

+ * 

+ *    Rev 1.2   18 Apr 1998 15:11:20   JHM

+ * 

+ *    Rev 1.1   09 Dec 1997 18:17:52   JHM

+ * rel111: TRlldDataPtr_t

+ * 

+ *    Rev 1.0   24 Nov 1997 11:08:58   JHM

+ * Initial revision.

+   

+      Rev 1.5   18 Jun 1997 11:31:36   JHM

+   Checks for version

+   

+      Rev 1.4   13 Jun 1997 13:47:34   JHM

+   

+      Rev 1.3   13 Jun 1997 13:27:56   JHM

+   DTR support, version change

+   

+      Rev 1.2   12 Jun 1997 11:43:20   JHM

+   TRLLD_INTERRUPT_TIMEOUT defined

+   

+      Rev 1.1   11 Apr 1997 15:24:18   JHM

+   replaced tabs with spaces

+   

+      Rev 1.0   11 Apr 1997 14:43:04   JHM

+   Initial revision.

+ *

+ ****************************************************************************

+*/

+

+#ifndef TRLLD_H

+#define TRLLD_H

+

+/* Data buffer pointers are always 32 bits.

+   For 16:16 it is segment:offset while it for 32:32 is a linear address. */

+

+#ifdef TRlldSmall

+#define TRlldDataPtr_t      unsigned char far *

+#define TRlldWordDataPtr_t  unsigned short far *

+#define TRlldDWordDataPtr_t	unsigned long far *

+#else

+#define TRlldDataPtr_t      unsigned char *

+#define TRlldWordDataPtr_t  unsigned short *

+#define TRlldDWordDataPtr_t	unsigned long *

+#endif

+

+#ifdef __WATCOMC__

+#define CDECL    _cdecl

+#else

+#define CDECL

+#endif

+

+/*****************************************************************************/

+/*                                                                           */

+/* Firmware                                                                  */

+/*                                                                           */

+/*****************************************************************************/

+

+extern unsigned char TRlldMacCode[];       /* 3115,17,18,29,33,36,37 */

+extern unsigned char TRlldHawkeyeMac[];    /* 3139,3140,3141,3250    */

+extern unsigned char TRlldBullseyeMac[];   /* 3150,3540              */

+

+/*****************************************************************************/

+/*                                                                           */

+/* Maximal numbers of concurrent receive and transmit slots                  */

+/*                                                                           */

+/*****************************************************************************/

+

+#define TRLLD_MAX_RECEIVE        32

+#define TRLLD_MAX_TRANSMIT       32

+

+/*****************************************************************************/

+/*                                                                           */

+/* Maximal frame sizes                                                       */

+/*                                                                           */

+/*****************************************************************************/

+

+#define TRLLD_MAXFRAME_100MBPS 18000

+#define TRLLD_MAXFRAME_16MBPS  18000

+#define TRLLD_MAXFRAME_4MBPS    4500

+

+/*****************************************************************************/

+/*                                                                           */

+/* TRlldStatus contains the adapter status used in a DriverStatus call-back. */

+/*                                                                           */

+/*****************************************************************************/

+

+struct OnWireInformation {

+	unsigned short RingStatus;

+	unsigned short Speed;

+	unsigned short AccessProtocol;

+	unsigned short Reserved;

+};

+

+typedef struct TRlldStatus {

+    unsigned short Type;

+    unsigned char Closed;

+    unsigned char AccessProtocol;

+    unsigned short MaxFrameSize;

+    unsigned short Reserved;

+    union {

+        unsigned short OnWireRingStatus;	/* for compability */

+        unsigned short SelftestStatus;

+        unsigned short InitStatus;

+        unsigned short RingStatus;

+        unsigned short AdapterCheck[4];

+        unsigned short InternalError[4];

+        unsigned short PromRemovedCause;

+        unsigned short AdapterTimeout;

+        struct OnWireInformation OnWireInformation;

+    } Specification;

+} TRlldStatus_t;

+

+/* values of TRlldStatus.Type */

+

+#define TRLLD_STS_ON_WIRE                0

+#define TRLLD_STS_SELFTEST_STATUS        1

+#define TRLLD_STS_INIT_STATUS            2

+#define TRLLD_STS_RING_STATUS            3

+#define TRLLD_STS_ADAPTER_CHECK          4

+#define TRLLD_STS_PROMISCUOUS_STOPPED    5

+#define TRLLD_STS_LLD_ERROR              6

+#define TRLLD_STS_ADAPTER_TIMEOUT        7

+

+/* values of TRlldStatus.Closed */

+

+#define TRLLD_STS_STATUS_OK              0

+#define TRLLD_STS_STATUS_CLOSED          1

+

+/* values of TRlldStatus.AccessProtocol */

+

+#define TRLLD_ACCESS_UNKNOWN             0

+#define TRLLD_ACCESS_TKP                 1

+#define TRLLD_ACCESS_TXI                 2

+

+/* values of TRlldStatus.SelftestStatus */

+

+#define TRLLD_ST_OK            0

+#define TRLLD_ST_ERROR    0x0100       /* actual errors are 010x, where x is */

+                                       /* 0: Initial Test Error              */

+                                       /* 1: Adapter Software Checksum Error */

+                                       /* 2: Adapter RAM Error               */

+                                       /* 4: Instruction Test Error          */

+                                       /* 5: Protocol Handler/RI Hw Error    */

+                                       /* 6: System Interface Register Error */

+

+#define TRLLD_ST_TIMEOUT  0x0200       /* The adapter did not complete */

+                                       /* selftest after download      */

+

+/* values of TRlldStatus.Specification.InitStatus */

+

+/* the most likely cause of an init error (whatever the code) is a wrong */

+/* physical or virtual address of the adapter block in TRlldAdapterInit  */

+

+#define TRLLD_INIT_ERROR       0x100   /* actual errors are 010x, where x is */

+                                       /* 1: Invalid init block (LLD error)  */

+                                       /* 2: Invalid options (LLD error)     */

+                                       /* 3: Invalid rcv burst (LLD error)   */

+                                       /* 4: Invalid xmt burst (LLD error)   */

+                                       /* 5: Invalid DMA threshold (LLDerror)*/

+                                       /* 6: Invalid scb addr                */

+                                       /* 7: Invalid ssb addr                */

+                                       /* 8: DIO parity error (HW error)     */

+                                       /* 9: DMA timeout (May be interrupt

+                                             failing if PIO mode or PCI2)    */

+                                       /* A: DMA parity error (HW error)     */

+                                       /* B: DMA bus error (HW error)        */

+                                       /* C: DMA data error                  */

+                                       /* D: Adapter check                   */

+

+#define TRLLD_INIT_TIMEOUT     0x200   /* adapter init did not complete      */

+#define TRLLD_INIT_DMA_ERROR   0x300   /* adapter cannot access sys memory   */

+#define TRLLD_INIT_INTR_ERROR  0x400   /* adapter cannot interrupt           */

+#define TRLLD_OPEN_TIMEOUT     0x500   /* adapter open did not complete      */

+                                       /* within 30 seconds                  */

+

+#define TRLLD_OPEN_ERROR       0x600   /* actual errors are 06xx, where the  */

+                                       /* bits in x mean:                    */

+                                       /* 01: Invalid open options (LLDerror)*/

+                                       /* 04: TxBuffer count error (LLDerror)*/

+                                       /* 10: Buffer size error (LLD error)  */

+                                       /* 20: List size error (LLD error)    */

+                                       /* 40: Node address error             */

+

+#define TRLLD_OPEN_REPEAT      0x700   /* actual errors are 07xy, where      */

+                                       /* x is the open phase:               */

+                                       /* 1: Lobe media test                 */

+                                       /* 2: Physical Insertion              */

+                                       /* 3: Address verification            */

+                                       /* 4: Participation in ring poll      */

+                                       /* 5: Request Initialization          */

+                                       /* 9: Request registration (TXI)      */

+                                       /* A: Lobe Media Test (TXI)           */

+                                       /* B: Address verification (TXI)      */

+                                       /* y is the type of error:            */

+                                       /* 1: Function failure (No Cable ?)   */

+                                       /* 2: Signal loss                     */

+                                       /* 5: Timeout                         */

+                                       /* 6: Ring failure (TKP)              */

+                                       /* 6: Protocol error (TXI)            */

+                                       /* 7: Ring beaconing                  */

+                                       /* 8: Duplicate Node Address (TKP)    */

+                                       /* 8: Insert Denied (TXI)             */

+                                       /* 9: Request Initialization (TKP)    */

+                                       /* 9: Heart beat failure (TXI)        */

+                                       /* A: Remove received                 */

+                                       /* B: C-port address changed (TXI)    */

+                                       /* C: Wire Fault (TKP)                */

+                                       /* D: Auto Speed, 1. on ring (TKP)    */

+                                       /* E: Speed sense failed              */

+

+/* When opening with FORCE_TXI and only classic token ring attachment is     */

+/* possible, the error is Request Registration/Timeout or 0x795              */

+

+#define TRLLD_OPEN_1ST_ON_RING	0x800  /* Speed sense is active, but no other*/

+                                       /* station is present to set the speed*/

+

+

+/* values of TRlldStatus.Specification.RingStatus */

+

+#define TRLLD_RS_SIGNAL_LOSS        0x8000

+#define TRLLD_RS_HARD_ERROR         0x4000

+#define TRLLD_RS_SOFT_ERROR         0x2000

+#define TRLLD_RS_TRANSMIT_BEACON    0x1000

+#define TRLLD_RS_LOBE_WIRE_FAULT    0x0800

+#define TRLLD_RS_AUTO_REMOVAL_ERROR 0x0400

+#define TRLLD_RS_REMOVE_RECEIVED    0x0100

+#define TRLLD_RS_COUNTER_OVERFLOW   0x0080

+#define TRLLD_RS_SINGLE_STATION     0x0040

+#define TRLLD_RS_RING_RECOVERY      0x0020

+

+/* values of TRlldStatus.Specification.AdapterCheck */

+/* MISSING */

+

+/* values of TRlldStatus.Specification.PromRemovedCause */

+

+#define TRLLD_PROM_REMOVE_RECEIVED    1

+#define TRLLD_PROM_POLL_FAILURE       2

+#define TRLLD_PROM_BUFFER_SIZE        3

+

+/* values of TRlldStatus.Specification.InternalError */

+

+#define TRLLD_INTERNAL_PIO   1        /* A PIO transfer to or from adapter  */

+                                      /* did not complete                   */

+#define TRLLD_INTERNAL_TX    2        /* Trouble with clean up of tx frames */

+#define TRLLD_INTERNAL_RX    3        /* Trouble with clean up of receive   */

+                                      /* fragments                          */

+#define TRLLD_INTERNAL_CMD   4        /* error response from adapter        */

+#define TRLLD_INTERNAL_STATE 5        /* event happened in unexpected state */

+

+/* values of TRlldStatus.Specification.AdapterTimeout */

+

+#define TRLLD_COMMAND_TIMEOUT    1

+#define TRLLD_TRANSMIT_TIMEOUT   2

+#define TRLLD_INTERRUPT_TIMEOUT  3

+

+

+/*****************************************************************************/

+/*                                                                           */

+/* TRlldStatistics contains the adapter statistics returned to Driver        */

+/* in TRlldStatistics calls and DriverStatistics call-backs                  */

+/*                                                                           */

+/*****************************************************************************/

+

+typedef struct TRlldStatistics {

+    unsigned long LineErrors;

+    unsigned long InternalErrors;       /* Not maintained by TMS based boards */

+    unsigned long BurstErrors;

+    unsigned long ARIFCIErrors;

+    unsigned long AbortDelimiters;      /* Not maintained by TMS based boards */

+    unsigned long LostFrames;

+    unsigned long CongestionErrors;

+    unsigned long FrameCopiedErrors;

+    unsigned long FrequencyErrors;      /* Not maintained by TMS based boards */

+    unsigned long TokenErrors;

+    unsigned long DMABusErrors;         /* Not maintained by 3139 */

+    unsigned long DMAParityErrors;      /* Not maintained by 3139 */

+    unsigned long ReceiveLongFrame;     /* Not maintained by TMS based boards */

+    unsigned long ReceiveCRCErrors;     /* Not maintained by TMS based boards */

+    unsigned long ReceiveOverflow;      /* Not maintained by TMS based boards */

+    unsigned long TransmitUnderrun;     /* Not maintained by TMS based boards */

+	unsigned long UnderrunLock;			/* Not maintained by TMS based boards */

+	unsigned long OverflowReset;

+    unsigned char UpstreamNeighbour[6];

+    unsigned short RingNumber;

+    unsigned char BeaconingUpstreamNeighbour[6];

+    unsigned short padding;

+} TRlldStatistics_t;

+

+

+/*****************************************************************************/

+/*                                                                           */

+/* TRlldDriver contains the Driver call-backs                                */

+/*                                                                           */

+/*****************************************************************************/

+

+typedef struct TRlldDriver {

+    unsigned long TRlldVersion;

+#ifndef TRlldInlineIO

+    void (CDECL * DriverOutByte)(unsigned short IOAddress,

+                                 unsigned char Value);

+    void (CDECL * DriverOutWord)(unsigned short IOAddress,

+                                 unsigned short Value);

+    void (CDECL * DriverOutDWord)(unsigned short IOAddress,

+                                  unsigned long Value);

+    void (CDECL * DriverRepOutByte)(unsigned short IOAddress,

+                                    TRlldDataPtr_t DataPointer,

+                                    int ByteCount);

+    void (CDECL * DriverRepOutWord)(unsigned short IOAddress,

+                                    TRlldWordDataPtr_t DataPointer,

+                                    int WordCount);

+    void (CDECL * DriverRepOutDWord)(unsigned short IOAddress,

+                                     TRlldDWordDataPtr_t DataPointer,

+                                     int DWordCount);

+    unsigned char (CDECL * DriverInByte)(unsigned short IOAddress);

+    unsigned short (CDECL * DriverInWord)(unsigned short IOAddress);

+    unsigned long (CDECL * DriverInDWord)(unsigned short IOAddress);

+    void (CDECL * DriverRepInByte)(unsigned short IOAddress,

+                                   TRlldDataPtr_t DataPointer,

+                                   int ByteCount);

+    void (CDECL * DriverRepInWord)(unsigned short IOAddress,

+                                   TRlldWordDataPtr_t DataPointer,

+                                   int WordCount);

+    void (CDECL * DriverRepInDWord)(unsigned short IOAddress,

+                                    TRlldDWordDataPtr_t DataPointer,

+                                    int DWordCount);

+#endif

+    void (CDECL * DriverSuspend)(unsigned short MicroSeconds);

+    void (CDECL * DriverStatus)(void * DriverHandle,

+                                TRlldStatus_t * Status);

+    void (CDECL * DriverCloseCmpltd)(void * DriverHandle);

+    void (CDECL * DriverStatistics)(void * DriverHandle,

+                                    TRlldStatistics_t * Statistics);

+    void (CDECL * DriverTxFrameCmpltd)(void * DriverHandle,

+                                       void * FrameHandle,

+                                       int TxStatus);

+    void (CDECL * DriverRcvFrameCmpltd)(void * DriverHandle,

+                                        int ByteCount,

+                                        int FragmentCount,

+                                        void * FragmentHandle,

+                                        int RcvStatus);

+} TRlldDriver_t;

+

+/* Version and model control */

+

+#define TRLLD_VERSION_INLINEIO    0x8000

+#define TRLLD_VERSION_SMALL       0x4000

+#ifdef TRlldInlineIO

+#ifdef TRlldSmall

+#define TRLLD_VERSION    0x4120

+#else

+#define TRLLD_VERSION    0x0120

+#endif

+#else

+#ifdef TRlldSmall

+#define TRLLD_VERSION    0xC120

+#else

+#define TRLLD_VERSION    0x8120

+#endif

+#endif

+

+

+/*****************************************************************************/

+/*                                                                           */

+/* TRlldAdapterConfig contains the properties found for an adapter           */

+/* used when finding and defining adapters to use                            */

+/*                                                                           */

+/*****************************************************************************/

+

+

+struct pnp_id {

+    unsigned short vendor;

+    unsigned short device;

+};

+

+struct pci_id {

+    unsigned short vendor;

+    unsigned short device;

+    unsigned char revision;

+    unsigned char reserved_byte;

+    unsigned short reserved_word;

+};

+

+struct pcmcia_id {

+    /* unknown as yet */

+    unsigned char x;

+};

+

+struct pci_slot {

+    unsigned short bus_no;

+    unsigned short device_no;

+};

+

+struct pcmcia_socket {

+    /* unknown as yet */

+    unsigned char x;

+};

+

+typedef struct TRlldAdapterConfig {

+    unsigned char type;

+    unsigned char bus;

+    unsigned short magic;

+    union {

+        struct pnp_id pnp;

+        unsigned long eisa;

+        unsigned short mca;

+        struct pci_id pci;

+        struct pcmcia_id pcmcia;

+    } id;

+    union {

+        unsigned short csn;

+        unsigned short eisa;

+        unsigned short mca;

+        struct pci_slot pci;

+        struct pcmcia_socket pcmcia;

+    } slot;

+    unsigned short iobase0;

+    unsigned short iolength0;

+    unsigned short iobase1;

+    unsigned short iolength1;

+    unsigned long memorybase;

+    unsigned short memorylength;

+    unsigned char mode;

+    unsigned char xmode;

+    unsigned char interruptlevel;

+    unsigned char dmalevel;

+    unsigned char macaddress[6];

+    unsigned long prombase;

+    unsigned char speed;

+    unsigned char cachelinesize;

+    unsigned short pcicommand;

+	unsigned char mactype;

+	unsigned char reserved[3];

+} TRlldAdapterConfig_t;

+

+/* values of TRlldAdapterConfig.Type */

+

+#define TRLLD_ADAPTER_XT            0        /* not supported             */

+#define TRLLD_ADAPTER_ISA1          1        /* OC-3115                   */

+#define TRLLD_ADAPTER_ISA2          2        /* OC-3117                   */

+#define TRLLD_ADAPTER_ISA3          3        /* OC-3118                   */

+#define TRLLD_ADAPTER_MCA1          4        /* OC-3129 id A84            */

+#define TRLLD_ADAPTER_MCA2          5        /* OC-3129 id A85            */

+#define TRLLD_ADAPTER_MCA3          6        /* OC-3129 id A86            */

+#define TRLLD_ADAPTER_EISA1         7        /* OC-3133 id 0109833D       */

+#define TRLLD_ADAPTER_EISA2         8        /* OC-3133 id 0209833D       */

+#define TRLLD_ADAPTER_EISA3         9        /* OC-3135 not supported     */

+#define TRLLD_ADAPTER_PCI1         10        /* OC-3136 id 108d0001 rev 1 */

+#define TRLLD_ADAPTER_PCI2         11        /* OC-3136 id 108d0001 rev 2 */

+#define TRLLD_ADAPTER_PCI3         12        /* OC-3137 id 108d0001 rev 3 */

+#define TRLLD_ADAPTER_PCI4         13        /* OC-3139 id 108d0004 rev 2 */

+#define TRLLD_ADAPTER_PCI5         14        /* OC-3140 id 108d0004 rev 3 */

+#define TRLLD_ADAPTER_PCI6         15        /* OC-3141 id 108d0007 rev 1 */

+#define TRLLD_ADAPTER_PCI7         19        /* OC-3540 id 108d0008 rev 1 */

+#define TRLLD_ADAPTER_PCI8         20        /* OC-3150 id 108d000a rev 1 */

+#ifdef PCMCIA

+#define TRLLD_ADAPTER_PCCARD1      16        /* OC-3220                   */

+#define TRLLD_ADAPTER_PCCARD2      17        /* OC-3221,OC-3230,OC-3232   */

+#endif

+#define TRLLD_ADAPTER_PCCARD3      18        /* OC-3250 id 108d0005 rev 1 */

+

+/* values of TRlldAdapterConfig.Bus */

+

+#define TRLLD_BUS_ISA           1

+#define TRLLD_BUS_EISA          2

+#define TRLLD_BUS_MCA           3

+#define TRLLD_BUS_PCI           4

+#define TRLLD_BUS_PCMCIA        5

+

+/* values of TRlldAdapterConfig.mode */

+

+#define TRLLD_MODE_16M             0x01  /* needs data buffers below 16 M     */

+#define TRLLD_MODE_PHYSICAL        0x02  /* needs valid physical addresses    */

+#define TRLLD_MODE_FIXED_CFG       0x04  /* cannot be reconfigured            */

+#define TRLLD_MODE_SHORT_SLOT      0x08  /* in short ISA slot, cannot use DMA */

+#define TRLLD_MODE_CANNOT_DISABLE  0x10  /* can not disable interrupt         */

+#define TRLLD_MODE_SHARE_INTERRUPT 0x20  /* may share interrupt               */

+#define TRLLD_MODE_MEMORY          0x40  /* is configured with a memory window*/

+

+/* values of TRlldAdapterConfig.dma */

+

+#define TRLLD_DMA_PIO      4       /* other values signifies the DMA channel */

+#define TRLLD_DMA_MASTER   0xff    /* to use                                 */

+

+/* values of TRlldAdapterConfig.mactype */

+

+                                   /* download with:   */

+#define TRLLD_MAC_TMS       1      /* TRlldMACCode     */

+#define TRLLD_MAC_HAWKEYE   2      /* TRlldHawkeyeMAC  */

+#define TRLLD_MAC_BULLSEYE  3      /* TRlldBullseyeMAC */

+

+

+typedef void * TRlldAdapter_t;

+typedef void * TRlldAdapterType_t;

+

+#ifndef MAX_FRAGMENTS

+#define MAX_FRAGMENTS 32

+#endif

+

+typedef struct TRlldTransmit {

+    unsigned short FragmentCount;

+    unsigned short TRlldTransmitReserved;

+    struct TRlldTransmitFragment {

+        unsigned long PhysicalAddress;

+        TRlldDataPtr_t VirtualAddress;

+        unsigned short count;

+        unsigned short TRlldTransmitFragmentReserved;

+    } TransmitFragment[MAX_FRAGMENTS];

+} TRlldTransmit_t;

+

+int CDECL TRlldAdapterSize(void);

+

+int CDECL TRlldInit(int TypeCount,

+                    TRlldAdapterType_t * AdapterTypeTable);

+

+extern TRlldAdapterType_t CDECL TRlld3115;    /* ISA adapters */

+extern TRlldAdapterType_t CDECL TRlld3117;

+extern TRlldAdapterType_t CDECL TRlld3118;

+extern TRlldAdapterType_t CDECL TRlld3129;    /* MCA adapters */

+extern TRlldAdapterType_t CDECL TRlld3133;    /* EISA adapters */

+extern TRlldAdapterType_t CDECL TRlld3136;    /* PCI adapters */

+extern TRlldAdapterType_t CDECL TRlld3137;

+extern TRlldAdapterType_t CDECL TRlld3139;    /* Hawkeye adapters */

+extern TRlldAdapterType_t CDECL TRlld3540;    /* Bullseye adapters */

+

+#define T3115   &TRlld3115

+#define T3117   &TRlld3117

+#define T3118   &TRlld3118

+#define T3129   &TRlld3129

+#define T3133   &TRlld3133

+#define T3136   &TRlld3136

+#define T3137   &TRlld3137

+#define T3139   &TRlld3139

+#define T3540   &TRlld3540

+

+/* Only for Boot Prom Page Zero code */

+

+extern TRlldAdapterType_t CDECL TRlld3115Boot;    /* ISA adapters */

+extern TRlldAdapterType_t CDECL TRlld3117Boot;

+extern TRlldAdapterType_t CDECL TRlld3118Boot;

+extern TRlldAdapterType_t CDECL TRlld3129Boot;    /* MCA adapters */

+extern TRlldAdapterType_t CDECL TRlld3133Boot;    /* EISA adapters */

+extern TRlldAdapterType_t CDECL TRlld3136Boot;    /* PCI adapters */

+extern TRlldAdapterType_t CDECL TRlld3137Boot;

+extern TRlldAdapterType_t CDECL TRlld3139Boot;    /* Hawkeye adapters */

+extern TRlldAdapterType_t CDECL TRlld3150Boot;

+extern TRlldAdapterType_t CDECL TRlld3250Boot;

+extern TRlldAdapterType_t CDECL TRlld3540Boot;    /* Bullseye adapter */

+

+#define B3115   &TRlld3115Boot

+#define B3117   &TRlld3117Boot

+#define B3118   &TRlld3118Boot

+#define B3129   &TRlld3129Boot

+#define B3133   &TRlld3133Boot

+#define B3136   &TRlld3136Boot

+#define B3137   &TRlld3137Boot

+#define B3139   &TRlld3139Boot

+#define B3150   &TRlld3150Boot

+#define B3250   &TRlld3250Boot

+#define B3540   &TRlld3540Boot

+

+#define TRLLD_INIT_OK           0

+#define TRLLD_INIT_UNKNOWN      5

+

+int CDECL TRlldAdapterInit(TRlldDriver_t * DriverDefinition,

+                           TRlldAdapter_t * TRlldAdapter,

+                           unsigned long TRlldAdapterPhysical,

+                           void * DriverHandle,

+                           TRlldAdapterConfig_t * config);

+

+#define TRLLD_INIT_OK           0

+#define TRLLD_INIT_NOT_FOUND    1

+#define TRLLD_INIT_UNSUPPORTED  2

+#define TRLLD_INIT_PHYS16       3

+#define TRLLD_INIT_VERSION      4

+

+int CDECL TRlldSetSpeed(TRlldAdapter_t * adapter,

+                        unsigned char speed);

+

+#define TRLLD_SPEED_4MBPS      4

+#define TRLLD_SPEED_16MBPS    16

+#define TRLLD_SPEED_100MBPS  100

+

+int CDECL TRlldSetInterrupt(TRlldAdapter_t * adapter,

+                            unsigned char interruptlevel);

+

+int CDECL TRlldSetDMA(TRlldAdapter_t * adapter,

+                      unsigned char dma, unsigned char * mode);

+

+#define TRLLD_CONFIG_OK       0

+#define TRLLD_CONFIG_STATE    1

+#define TRLLD_CONFIG_ILLEGAL  2

+#define TRLLD_CONFIG_FAILED   3

+

+int CDECL TRlldSetSpecial(TRlldAdapter_t * adapter,

+                          unsigned short param1, unsigned short param2,

+                          unsigned short param3, unsigned short param4);

+

+int CDECL TRlldAddMemory(TRlldAdapter_t * adapter,

+                         TRlldDataPtr_t virtual,

+                         unsigned long physical,

+                         long size);

+

+int CDECL TRlldDisable(TRlldAdapter_t * adapter);

+

+#define TRLLD_OK             0

+#define TRLLD_NOT_SUPPORTED  1

+

+void CDECL TRlldEnable(TRlldAdapter_t * adapter);

+

+int CDECL TRlldInterruptPresent(TRlldAdapter_t * adapter);

+

+#define TRLLD_NO_INTERRUPT  0

+#define TRLLD_INTERRUPT     1

+

+int CDECL TRlldInterruptService(TRlldAdapter_t * adapter);

+

+int CDECL TRlldInterruptPreService(TRlldAdapter_t * adapter);

+

+void CDECL TRlldInterruptPostService(TRlldAdapter_t * adapter);

+

+

+int CDECL TRlldPoll(TRlldAdapter_t * adapter);

+

+int CDECL TRlldDownload(TRlldAdapter_t * adapter,

+                        char * DownLoadCode);

+

+#define TRLLD_DOWNLOAD_OK     0

+#define TRLLD_DOWNLOAD_ERROR  1

+#define TRLLD_STATE           2

+

+typedef int (CDECL * GetCode_t)(void * handle, unsigned char * maccodebyte);

+

+int CDECL TRlldStreamDownload(TRlldAdapter_t * adapter,

+                              GetCode_t procedure, void * handle);

+

+int CDECL TRlldOpen(TRlldAdapter_t * adapter,

+                    unsigned char * MACAddress,

+                    unsigned long GroupAddress,

+                    unsigned long FunctionalAddress,

+                    unsigned short MaxFrameSize,

+                    unsigned short OpenModes);

+

+#define TRLLD_OPEN_OK             0

+#define TRLLD_OPEN_STATE          1

+#define TRLLD_OPEN_ADDRESS_ERROR  2

+#define TRLLD_OPEN_MODE_ERROR     3

+#define TRLLD_OPEN_MEMORY         4

+

+#define TRLLD_MODE_TX_STATUS      0x01

+#define TRLLD_MODE_RX_SINGLE      0x02

+#define TRLLD_MODE_FORCE_TKP      0x04

+#define TRLLD_MODE_FORCE_TXI      0x08

+#define TRLLD_MODE_TX_CRC         0x10

+

+void CDECL TRlldClose(TRlldAdapter_t * adapter, int immediate);

+

+void CDECL TRlldSetGroupAddress(TRlldAdapter_t * adapter,

+                                unsigned long GroupAddress);

+

+void CDECL TRlldSetFunctionalAddress(TRlldAdapter_t * adapter,

+                                     unsigned long FunctionalAddress);

+

+void CDECL TRlldSetPromiscuousMode(TRlldAdapter_t * adapter,

+                                   unsigned char mode);

+

+/* mode bits */

+

+#define TRLLD_PROM_LLC          1

+#define TRLLD_PROM_MAC          2

+#define TRLLD_PROM_ERRORFRAMES  4

+

+int CDECL TRlldGetStatistics(TRlldAdapter_t * adapter,

+                             TRlldStatistics_t * statistics,

+                             int immediate);

+

+#define TRLLD_IMMEDIATE_STATISTICS  1

+

+#define TRLLD_STATISTICS_RETRIEVED  0

+#define TRLLD_STATISTICS_PENDING    1

+

+int CDECL TRlldTransmitFrame(TRlldAdapter_t * adapter,

+                             TRlldTransmit_t * TransmitFrame,

+                             void * FrameHandle);

+

+#define TRLLD_TRANSMIT_OK        0

+#define TRLLD_TRANSMIT_NOT_OPEN  1

+#define TRLLD_TRANSMIT_TOO_MANY  2

+#define TRLLD_TRANSMIT_MAX16     3

+#define TRLLD_TRANSMIT_SIZE      4

+#define TRLLD_TRANSMIT_EMPTY     5

+

+/* completion flags */

+

+#define TRLLD_TX_OK              0

+#define TRLLD_TX_NOT_PROCESSED   1

+#define TRLLD_TX_NOT_RECOGNIZED  2

+#define TRLLD_TX_NOT_COPIED      3

+

+/* number of free transmit fragments */

+

+int CDECL TRlldTransmitFree(TRlldAdapter_t * adapter);

+

+int CDECL TRlldReceiveFragment(TRlldAdapter_t * adapter,

+                               TRlldDataPtr_t FragmentStart,

+                               unsigned long FragmentPhysical,

+                               int count,

+                               void * FragmentHandle);

+

+#define TRLLD_RECEIVE_OK        0

+#define TRLLD_RECEIVE_NOT_OPEN  1

+#define TRLLD_RECEIVE_TOO_MANY  2

+#define TRLLD_RECEIVE_SIZE      3

+#define TRLLD_RECEIVE_MAX16     4

+

+/* completion flags */

+

+#define TRLLD_RCV_OK       0

+#define TRLLD_RCV_NO_DATA  1

+#define TRLLD_RCV_ERROR    2    /* Only when TRLLD_PROM_ERRORFRAMES */

+#define TRLLD_RCV_LONG     3

+

+/* number of free receive fragments */

+

+int CDECL TRlldReceiveFree(TRlldAdapter_t * adapter);

+

+int CDECL TRlldFind(TRlldDriver_t * driver,

+                    TRlldAdapterConfig_t * config_table,

+                    unsigned long type_mask,

+                    int max);

+

+/* type mask bits */

+

+#define OC_3115            0x0001

+#define OC_3117            0x0002

+#define OC_3118            0x0004

+#define OC_3129            0x0008

+#define OC_3133            0x0010

+#define OC_3136            0x0040

+#define OC_3137            0x0080

+#define OC_3139            0x0100

+#define OC_3140            0x0200

+#define OC_3141            0x0400

+#define OC_3540            0x0800

+#define OC_3150            0x1000

+

+#ifdef PCMCIA

+#define OC_3220            0x0800

+#define OC_3221            0x1000

+#define OC_3230            0x2000

+#define OC_3232            0x4000

+#endif

+

+#define OC_3250            0x8000

+

+int CDECL TRlldIOAddressConfig(TRlldDriver_t * driver,

+                               TRlldAdapterConfig_t * config,

+                               unsigned short address);

+

+

+#define TRLLD_FIND_OK        1

+#define TRLLD_FIND_ERROR     0

+#define TRLLD_FIND_VERSION  -1

+

+int CDECL TRlldEISASlotConfig(TRlldDriver_t * driver,

+                              TRlldAdapterConfig_t * config,

+                              int slot);

+

+int CDECL TRlldMCASlotConfig(TRlldDriver_t * driver,

+                             TRlldAdapterConfig_t * config,

+                             int slot);

+

+int CDECL TRlldPCIConfig(TRlldDriver_t * driver,

+                         TRlldAdapterConfig_t * config,

+                         char * PCIConfigurationSpace);

+

+#define TRLLD_PCICONFIG_OK           0

+#define TRLLD_PCICONFIG_FAIL         1

+#define TRLLD_PCICONFIG_SET_COMMAND  2

+#define TRLLD_PCICONFIG_VERSION      3

+

+

+int CDECL TRlldFindPCI(TRlldDriver_t * driver,

+                       TRlldAdapterConfig_t * config_table,

+                       unsigned long type_mask,

+                       int max);

+

+#ifdef PCMCIA

+typedef void * PCCardHandle_t;

+

+typedef int (CDECL * GetTupleData_t)(PCCardHandle_t handle,

+                                     unsigned short TupleIdent,

+                                     char * TupleData,

+                                     int length);

+

+int CDECL TRlldPCCardConfig(TRlldDriver_t * driver,

+                            TRlldAdapterConfig_t * config,

+                            unsigned short address,

+                            int irq,

+                            GetTupleData_t GetTuple,

+                            PCCardHandle_t handle);

+

+#define TRLLD_PCCARD_CONFIG_OK    0

+#define TRLLD_PCCARD_CONFIG_FAIL  1

+#endif

+

+/* Boot Prom Support */

+

+typedef struct TRlldPromInfo {

+	unsigned short PromIdent;

+	short PromPages;

+	short PromPageSize;

+} TRlldPromInfo_t;

+

+int CDECL TRlldMapBootProm(TRlldAdapter_t * adapter,

+                           TRlldDataPtr_t prompointer);

+

+#define TRLLD_PROM_OK           0

+#define TRLLD_PROM_FAILED       3

+

+int CDECL TRlldGetPromInfo(TRlldAdapter_t * adapter, TRlldPromInfo_t * info);

+

+#define TRLLD_PROM_OK           0

+#define TRLLD_PROM_NOT_MOUNTED  1

+#define TRLLD_PROM_NOT_MAPPED   2

+

+void CDECL TRlldSetPromPage(TRlldAdapter_t * adapter, int page);

+

+int CDECL TRlldSetMemoryUse(TRlldAdapter_t * adapter, int use);

+

+#define TRLLD_PROM_TO_MEMORY       0

+#define TRLLD_REGISTERS_TO_MEMORY  1

+

+#define TRLLD_MEMORY_USE_OK         0

+#define TRLLD_MEMORY_USE_NO_MEMORY  1

+#define TRLLD_MEMORY_USE_STATE      2

+#define TRLLD_MEMORY_USE_ILLEGAL    3

+

+int CDECL TRlldPromErase(TRlldAdapter_t * adapter,

+                         void (CDECL * delay)(int milliseconds));

+

+#define TRLLD_PROM_OK           0

+#define TRLLD_PROM_NOT_MOUNTED  1

+#define TRLLD_PROM_NOT_MAPPED   2

+#define TRLLD_PROM_FAILED       3

+

+int CDECL TRlldPromWrite(TRlldAdapter_t * adapter, char * data,

+                         int offset, int count);

+

+#define TRLLD_PROM_OK           0

+#define TRLLD_PROM_NOT_MOUNTED  1

+#define TRLLD_PROM_NOT_MAPPED   2

+#define TRLLD_PROM_FAILED       3

+#define TRLLD_PROM_ILLEGAL      4

+

+void CDECL TRlldEmergency(TRlldAdapter_t * adapter);

+

+/* Convert from TRlldAdapterConfig.type to name string */

+char * CDECL TRlldAdapterName(int type);

+#endif

diff --git a/sys/contrib/dev/oltr/trlldbm.c b/sys/contrib/dev/oltr/trlldbm.c
new file mode 100644
index 0000000..944606d
--- /dev/null
+++ b/sys/contrib/dev/oltr/trlldbm.c
@@ -0,0 +1,2690 @@
+/*
+ * $FreeBSD$
+ *
+ *      Copyright (c) 1997
+ *      OLICOM A/S
+ *      Denmark
+ *
+ *      All Rights Reserved
+ *
+ *      This source file is subject to the terms and conditions of the
+ *      OLICOM Software License Agreement which restricts the manner
+ *      in which it may be used.
+ *
+ *---------------------------------------------------------------------------
+ *
+ *      Description: Olicom adapter micro-code
+ *
+ *---------------------------------------------------------------------------
+ */
+
+unsigned char TRlldBullseyeMac[] __attribute ((aligned(2))) = {
+	0x52, 0x94, 0x04, 0x00, 0x02, 0x7d, 0x0b, 0xe7, 0x4f, 0x43, 0x53, 0x4d, 
+	0x41, 0x43, 0x2e, 0x42, 0x55, 0x4c, 0x4c, 0x53, 0x45, 0x59, 0x45, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0xea, 0x55, 0x00, 0x00, 0x00, 0xfc, 0xfa, 0xb8, 0x00, 0x00, 0xbb, 0x00, 
+	0x00, 0xb9, 0x00, 0x00, 0xba, 0x00, 0x00, 0xbe, 0x00, 0x00, 0xbf, 0x00, 
+	0x00, 0xbd, 0x00, 0x00, 0x8c, 0xc8, 0x8e, 0xd8, 0x8e, 0xc0, 0x8e, 0xd0, 
+	0xb8, 0x20, 0x5f, 0x8b, 0xe0, 0x83, 0x3e, 0x4e, 0x00, 0x00, 0x75, 0x1c, 
+	0x2b, 0xdb, 0x8b, 0xf3, 0xad, 0x8b, 0xd8, 0x8b, 0xc8, 0xd1, 0xe9, 0x49, 
+	0x49, 0xad, 0x03, 0xd8, 0xe2, 0xfb, 0x0b, 0xdb, 0x74, 0x06, 0xc7, 0x06, 
+	0xf2, 0x5d, 0x01, 0x00, 0xb8, 0x00, 0x00, 0x8e, 0xd8, 0xc7, 0x06, 0x0c, 
+	0x00, 0x9a, 0x01, 0x8c, 0x0e, 0x0e, 0x00, 0xc7, 0x06, 0x04, 0x00, 0x9a, 
+	0x01, 0x8c, 0x0e, 0x06, 0x00, 0xc7, 0x06, 0x14, 0x00, 0x9a, 0x01, 0x8c, 
+	0x0e, 0x14, 0x00, 0xc7, 0x06, 0x08, 0x00, 0x9a, 0x01, 0x8c, 0x0e, 0x08, 
+	0x00, 0x90, 0x90, 0x90, 0xc7, 0x06, 0x20, 0x00, 0x10, 0x24, 0x8c, 0x0e, 
+	0x22, 0x00, 0x2b, 0xc0, 0xe7, 0x06, 0xc7, 0x06, 0x30, 0x00, 0xee, 0x0d, 
+	0x8c, 0x0e, 0x32, 0x00, 0xc7, 0x06, 0x34, 0x00, 0xe8, 0x0e, 0x8c, 0x0e, 
+	0x36, 0x00, 0xc7, 0x06, 0x38, 0x00, 0x1a, 0x0f, 0x8c, 0x0e, 0x3a, 0x00, 
+	0xc7, 0x06, 0x3c, 0x00, 0x9a, 0x01, 0x8c, 0x0e, 0x3e, 0x00, 0xc7, 0x06, 
+	0x08, 0x00, 0x9a, 0x01, 0x8c, 0x0e, 0x0a, 0x00, 0xc7, 0x06, 0x14, 0x00, 
+	0x9a, 0x01, 0x8c, 0x0e, 0x16, 0x00, 0xbb, 0x40, 0x60, 0x8e, 0xc3, 0x26, 
+	0x83, 0x0e, 0x32, 0x00, 0x08, 0x2b, 0xc0, 0x2b, 0xc0, 0x2b, 0xc0, 0x2b, 
+	0xc0, 0x26, 0x83, 0x26, 0x32, 0x00, 0xf7, 0x2b, 0xc0, 0x2b, 0xc0, 0x2b, 
+	0xc0, 0x2b, 0xc0, 0x26, 0x83, 0x0e, 0x32, 0x00, 0x08, 0x2a, 0xe4, 0xb0, 
+	0x13, 0xe6, 0x10, 0x90, 0x90, 0x90, 0xb0, 0x08, 0xe6, 0x12, 0x90, 0x90, 
+	0x90, 0xb0, 0x09, 0xe6, 0x12, 0x90, 0x90, 0x90, 0xb0, 0xff, 0xe6, 0x12, 
+	0x90, 0x90, 0x90, 0x26, 0x83, 0x26, 0x32, 0x00, 0xf7, 0x90, 0x90, 0x90, 
+	0x33, 0xc0, 0x26, 0xc7, 0x06, 0x44, 0x00, 0xff, 0xff, 0x26, 0xc7, 0x06, 
+	0x46, 0x00, 0xff, 0xff, 0x26, 0x09, 0x06, 0x48, 0x00, 0x26, 0x09, 0x06, 
+	0x4a, 0x00, 0xb8, 0x00, 0x00, 0xe7, 0x06, 0xb8, 0x0f, 0x27, 0xe7, 0x00, 
+	0xb8, 0x09, 0x00, 0xe7, 0x06, 0xb0, 0x11, 0xe8, 0x89, 0x0a, 0xe8, 0xc7, 
+	0x0a, 0xfb, 0xe9, 0x71, 0x0b, 0x90, 0x50, 0xb0, 0xa0, 0xe6, 0x10, 0x58, 
+	0xcf, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
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+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
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+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x0f, 0xf0, 0xf0, 0xf0, 0xf0, 0xe7, 0xe7, 0xe7, 0x30, 0x32, 
+	0x30, 0x33, 0x39, 0x39, 0x20, 0x43, 0x6f, 0x70, 0x79, 0x72, 0x69, 0x67, 
+	0x68, 0x74, 0x20, 0x28, 0x63, 0x29, 0x20, 0x31, 0x39, 0x39, 0x38, 0x2c, 
+	0x20, 0x31, 0x39, 0x39, 0x39, 0x20, 0x4f, 0x6c, 0x69, 0x63, 0x6f, 0x6d, 
+	0x2e, 0x20, 0x41, 0x6c, 0x6c, 0x20, 0x72, 0x69, 0x67, 0x68, 0x74, 0x73, 
+	0x20, 0x72, 0x65, 0x73, 0x65, 0x72, 0x76, 0x65, 0x64, 0x20, 0x5a, 0x21, 
+	0x5a, 0x21, 0xdd, 0x37, 0x8e, 0x3b, 0x8a, 0x3d, 0xd9, 0x3e, 0x1b, 0x40, 
+	0x63, 0x43, 0x5a, 0x21, 0x5a, 0x21, 0x5a, 0x21, 0xcc, 0x41, 0x22, 0x42, 
+	0xb3, 0x42, 0x30, 0x43, 0x35, 0x43, 0x3a, 0x43, 0x5a, 0x21, 0x5a, 0x21, 
+	0x5a, 0x21, 0x5a, 0x21, 0xf2, 0x3a, 0x5a, 0x21, 0x5a, 0x21, 0x72, 0x39, 
+	0xd2, 0x39, 0xd2, 0x39, 0xaf, 0x3a, 0xd2, 0x39, 0xd7, 0x3a, 0x13, 0x3b, 
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+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00
+};
diff --git a/sys/contrib/dev/oltr/trlldhm.c b/sys/contrib/dev/oltr/trlldhm.c
new file mode 100644
index 0000000..cdcb250
--- /dev/null
+++ b/sys/contrib/dev/oltr/trlldhm.c
@@ -0,0 +1,2519 @@
+/*
+ * $FreeBSD$
+ *
+ *      Copyright (c) 1997
+ *      OLICOM A/S
+ *      Denmark
+ *
+ *      All Rights Reserved
+ *
+ *      This source file is subject to the terms and conditions of the
+ *      OLICOM Software License Agreement which restricts the manner
+ *      in which it may be used.
+ *
+ *---------------------------------------------------------------------------
+ *
+ *      Description: Olicom adapter micro-code
+ *
+ *---------------------------------------------------------------------------
+ */
+
+unsigned char TRlldHawkeyeMac[] __attribute ((aligned(2))) = {
+	0x52, 0x94, 0x03, 0x00, 0x02, 0x75, 0xea, 0x12, 0x4f, 0x43, 0x53, 0x4d, 
+	0x41, 0x43, 0x2e, 0x48, 0x41, 0x57, 0x4b, 0x45, 0x59, 0x45, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0xea, 0x55, 0x00, 0x00, 0x00, 0xfc, 0xfa, 0xb8, 0x00, 0x00, 0xbb, 0x00, 
+	0x00, 0xb9, 0x00, 0x00, 0xba, 0x00, 0x00, 0xbe, 0x00, 0x00, 0xbf, 0x00, 
+	0x00, 0xbd, 0x00, 0x00, 0x8c, 0xc8, 0x8e, 0xd8, 0x8e, 0xc0, 0x8e, 0xd0, 
+	0xb8, 0x88, 0x56, 0x8b, 0xe0, 0x83, 0x3e, 0x4e, 0x00, 0x00, 0x75, 0x1c, 
+	0x2b, 0xdb, 0x8b, 0xf3, 0xad, 0x8b, 0xd8, 0x8b, 0xc8, 0xd1, 0xe9, 0x49, 
+	0x49, 0xad, 0x03, 0xd8, 0xe2, 0xfb, 0x0b, 0xdb, 0x74, 0x06, 0xc7, 0x06, 
+	0x5a, 0x55, 0x01, 0x00, 0xc7, 0x06, 0x0c, 0x00, 0xa8, 0x01, 0x8c, 0x0e, 
+	0x0e, 0x00, 0xc7, 0x06, 0x04, 0x00, 0xa8, 0x01, 0x8c, 0x0e, 0x06, 0x00, 
+	0xc7, 0x06, 0x14, 0x00, 0xa8, 0x01, 0x8c, 0x0e, 0x14, 0x00, 0xc7, 0x06, 
+	0x08, 0x00, 0xa8, 0x01, 0x8c, 0x0e, 0x08, 0x00, 0x90, 0x90, 0x90, 0xc7, 
+	0x06, 0x20, 0x00, 0x6a, 0x1f, 0x8c, 0x0e, 0x22, 0x00, 0x2b, 0xc0, 0xe7, 
+	0x06, 0xc7, 0x06, 0x30, 0x00, 0x22, 0x0e, 0x8c, 0x0e, 0x32, 0x00, 0xc7, 
+	0x06, 0x34, 0x00, 0x34, 0x0f, 0x8c, 0x0e, 0x36, 0x00, 0xc7, 0x06, 0x38, 
+	0x00, 0x66, 0x0f, 0x8c, 0x0e, 0x3a, 0x00, 0xc7, 0x06, 0x3c, 0x00, 0xa8, 
+	0x01, 0x8c, 0x0e, 0x3e, 0x00, 0xc7, 0x06, 0x08, 0x00, 0xa8, 0x01, 0x8c, 
+	0x0e, 0x0a, 0x00, 0xc7, 0x06, 0x14, 0x00, 0xa8, 0x01, 0x8c, 0x0e, 0x16, 
+	0x00, 0xbb, 0x40, 0x60, 0x8e, 0xc3, 0x26, 0xa1, 0x02, 0x00, 0x25, 0x00, 
+	0x50, 0x89, 0x86, 0x0f, 0x01, 0x26, 0x83, 0x0e, 0x72, 0x00, 0x08, 0x2b, 
+	0xc0, 0x2b, 0xc0, 0x2b, 0xc0, 0x2b, 0xc0, 0x26, 0x83, 0x26, 0x72, 0x00, 
+	0xf7, 0x2b, 0xc0, 0x2b, 0xc0, 0x2b, 0xc0, 0x2b, 0xc0, 0x26, 0x83, 0x0e, 
+	0x72, 0x00, 0x08, 0x2a, 0xe4, 0xb0, 0x13, 0xe6, 0x10, 0x90, 0x90, 0x90, 
+	0xb0, 0x08, 0xe6, 0x12, 0x90, 0x90, 0x90, 0xb0, 0x09, 0xe6, 0x12, 0x90, 
+	0x90, 0x90, 0xb0, 0xff, 0xe6, 0x12, 0x90, 0x90, 0x90, 0x26, 0x83, 0x26, 
+	0x72, 0x00, 0xf7, 0x8b, 0x86, 0x0f, 0x01, 0x26, 0xa3, 0x02, 0x00, 0x90, 
+	0x90, 0x90, 0x33, 0xc0, 0x26, 0xc7, 0x06, 0x04, 0x00, 0xff, 0xff, 0x26, 
+	0xc7, 0x06, 0x06, 0x00, 0xff, 0xff, 0x26, 0x09, 0x06, 0x08, 0x00, 0x26, 
+	0x09, 0x06, 0x0a, 0x00, 0xb8, 0x00, 0x00, 0xe7, 0x06, 0xb8, 0x0f, 0x27, 
+	0xe7, 0x00, 0xb8, 0x09, 0x00, 0xe7, 0x06, 0xb0, 0x11, 0xe8, 0xb0, 0x0a, 
+	0xe8, 0xed, 0x0a, 0xfb, 0xe9, 0x96, 0x0b, 0x90, 0x50, 0xb0, 0xa0, 0xe6, 
+	0x10, 0x58, 0xcf, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x01, 0x13, 0xf0, 0xf0, 0xf0, 0xf0, 0xe7, 0xe7, 0xe7, 0x30, 0x32, 
+	0x30, 0x33, 0x39, 0x39, 0x20, 0x43, 0x6f, 0x70, 0x79, 0x72, 0x69, 0x67, 
+	0x68, 0x74, 0x20, 0x28, 0x63, 0x29, 0x20, 0x31, 0x39, 0x39, 0x37, 0x20, 
+	0x2d, 0x20, 0x31, 0x39, 0x39, 0x39, 0x20, 0x4f, 0x6c, 0x69, 0x63, 0x6f, 
+	0x6d, 0x2e, 0x20, 0x41, 0x6c, 0x6c, 0x20, 0x72, 0x69, 0x67, 0x68, 0x74, 
+	0x73, 0x20, 0x72, 0x65, 0x73, 0x65, 0x72, 0x76, 0x65, 0x64, 0x20, 0x90, 
+	0x26, 0x1d, 0x26, 0x1d, 0x6f, 0x32, 0x55, 0x35, 0x51, 0x37, 0xa0, 0x38, 
+	0xe2, 0x39, 0x2a, 0x3d, 0x26, 0x1d, 0x26, 0x1d, 0x26, 0x1d, 0x93, 0x3b, 
+	0xe9, 0x3b, 0x7a, 0x3c, 0xf7, 0x3c, 0xfc, 0x3c, 0x01, 0x3d, 0x26, 0x1d, 
+	0x26, 0x1d, 0x26, 0x1d, 0x26, 0x1d, 0x34, 0x35, 0x26, 0x1d, 0x26, 0x1d, 
+	0x04, 0x34, 0x5d, 0x34, 0x5d, 0x34, 0xf1, 0x34, 0x5d, 0x34, 0x19, 0x35, 
+	0x26, 0x1d, 0x26, 0x1d, 0x26, 0x1d, 0x93, 0x3b, 0xe9, 0x3b, 0x7a, 0x3c, 
+	0xf7, 0x3c, 0xfc, 0x3c, 0x01, 0x3d, 0x26, 0x1d, 0x70, 0x34, 0x26, 0x1d, 
+	0xb9, 0x34, 0x26, 0x1d, 0xbe, 0x2f, 0xbe, 0x2f, 0xbe, 0x2f, 0xbe, 0x2f, 
+	0x88, 0x30, 0xb6, 0x31, 0xbe, 0x2f, 0x9a, 0x30, 0x48, 0x31, 0x08, 0x32, 
+	0x08, 0x32, 0x08, 0x32, 0x08, 0x32, 0x08, 0x32, 0x08, 0x32, 0x08, 0x32, 
+	0x08, 0x32, 0x08, 0x32, 0x08, 0x32, 0x08, 0x32, 0x08, 0x32, 0x08, 0x32, 
+	0x08, 0x32, 0x08, 0x32, 0x08, 0x32, 0x08, 0x32, 0x08, 0x32, 0x08, 0x32, 
+	0x08, 0x32, 0x08, 0x32, 0x08, 0x32, 0x08, 0x32, 0xf4, 0x30, 0xbe, 0x2f, 
+	0xbe, 0x2f, 0xbe, 0x2f, 0xbe, 0x2f, 0xbe, 0x2f, 0x27, 0x31, 0xbe, 0x2f, 
+	0xbe, 0x2f, 0x39, 0x31, 0xbe, 0x2f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0xff, 0xff, 0x04, 0x04, 0x05, 0xff, 0xff, 0xff, 0x00, 
+	0x03, 0x00, 0x03, 0x03, 0xb7, 0x05, 0xff, 0xff, 0xc2, 0x05, 0xd2, 0x05, 
+	0xd2, 0x05, 0xd2, 0x05, 0xd2, 0x05, 0x00, 0x00, 0xdd, 0x05, 0xff, 0xff, 
+	0xff, 0xff, 0x00, 0x00, 0xe3, 0x05, 0x02, 0x06, 0x48, 0x06, 0x48, 0x06, 
+	0x48, 0x06, 0x17, 0x06, 0x27, 0x06, 0x00, 0x00, 0x2d, 0x06, 0x00, 0x00, 
+	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 
+	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x26, 0x1d, 
+	0xb2, 0x3d, 0xfe, 0x14, 0x6e, 0x2f, 0x17, 0x23, 0xf6, 0x43, 0x26, 0x1d, 
+	0xec, 0x3d, 0x78, 0x41, 0xf5, 0x3f, 0x0e, 0x3e, 0x93, 0x3f, 0x39, 0x41, 
+	0x5c, 0x3f, 0xf1, 0x40, 0xff, 0x41, 0x67, 0x42, 0x36, 0x42, 0x18, 0x41, 
+	0x74, 0x42, 0x99, 0x42, 0xc4, 0x42, 0x57, 0x42, 0xe2, 0x42, 0x0a, 0x03, 
+	0x30, 0x03, 0x50, 0x03, 0x7c, 0x03, 0xa2, 0x03, 0x00, 0x04, 0x66, 0x04, 
+	0xa0, 0x04, 0xea, 0x04, 0xac, 0x05, 0xe4, 0x01, 0x04, 0x03, 0x2a, 0x03, 
+	0x58, 0x03, 0x76, 0x03, 0x9c, 0x03, 0x60, 0x04, 0x9a, 0x04, 0xe4, 0x04, 
+	0xa6, 0x05, 0xe0, 0x01, 0x08, 0x04, 0x6e, 0x04, 0xf4, 0x02, 0x1e, 0x03, 
+	0x44, 0x03, 0x6a, 0x03, 0x90, 0x03, 0xb6, 0x03, 0xb0, 0x03, 0xce, 0x03, 
+	0x72, 0x05, 0xe8, 0x03, 0x54, 0x04, 0x8e, 0x04, 0xb4, 0x04, 0xd4, 0x04, 
+	0x8a, 0x05, 0xfe, 0x04, 0x22, 0x05, 0x3e, 0x05, 0x56, 0x05, 0x2a, 0x54, 
+	0x32, 0x54, 0x3e, 0x54, 0x46, 0x54, 0x4e, 0x54, 0x74, 0x54, 0x88, 0x54, 
+	0x90, 0x54, 0x9c, 0x54, 0xc2, 0x54, 0xd6, 0x54, 0xf0, 0xf1, 0xf2, 0xf3, 
+	0xf4, 0xf5, 0xf6, 0xf7, 0xf8, 0xf9, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 
+	0x1a, 0x1a, 0x7e, 0x1a, 0xa2, 0x1a, 0x12, 0x1b, 0x34, 0x1b, 0xcc, 0x1b, 
+	0x2a, 0x1c, 0x26, 0x1d, 0x26, 0x1d, 0x26, 0x1d, 0x26, 0x1d, 0x4e, 0x1c, 
+	0x70, 0x1c, 0xc6, 0x1c, 0xea, 0x1c, 0x1e, 0x1d, 0x26, 0x1d, 0x26, 0x1d, 
+	0x9c, 0x14, 0xc0, 0x15, 0x54, 0x16, 0x56, 0x16, 0x72, 0x16, 0x98, 0x16, 
+	0xb4, 0x16, 0x3e, 0x17, 0xba, 0x17, 0x6c, 0x18, 0x26, 0x1d, 0x26, 0x1d, 
+	0x26, 0x1d, 0x26, 0x1d, 0xe4, 0x1d, 0x26, 0x1d, 0x26, 0x1d, 0x26, 0x1d, 
+	0x26, 0x1d, 0x26, 0x1d, 0x26, 0x1d, 0x26, 0x1d, 0x26, 0x1d, 0x26, 0x1d, 
+	0x26, 0x1d, 0x26, 0x1d, 0x26, 0x1d, 0x26, 0x1d, 0x26, 0x1d, 0x26, 0x1d, 
+	0x26, 0x1d, 0x26, 0x1d, 0xa8, 0x18, 0xe6, 0x18, 0x5c, 0x19, 0xa2, 0x19, 
+	0x26, 0x1d, 0x26, 0x1d, 0x26, 0x1d, 0x26, 0x1d, 0x26, 0x1d, 0x26, 0x1d, 
+	0x26, 0x1d, 0x26, 0x1d, 0x26, 0x1d, 0x26, 0x1d, 0xaa, 0x55, 0x00, 0xff, 
+	0xf6, 0x46, 0x01, 0x01, 0x75, 0x6a, 0xc6, 0x86, 0x0e, 0x01, 0x05, 0xe8, 
+	0x90, 0x01, 0xe8, 0x50, 0x06, 0xe8, 0xfc, 0x02, 0xe8, 0x56, 0x03, 0x73, 
+	0x3a, 0xfe, 0x8e, 0x0e, 0x01, 0x74, 0x2e, 0x26, 0x83, 0x0e, 0x72, 0x00, 
+	0x08, 0x2b, 0xc0, 0x2b, 0xc0, 0x26, 0x83, 0x26, 0x72, 0x00, 0xf7, 0x2b, 
+	0xc0, 0x2b, 0xc0, 0x26, 0x83, 0x0e, 0x72, 0x00, 0x08, 0x2b, 0xc0, 0x2b, 
+	0xc0, 0x26, 0x83, 0x26, 0x72, 0x00, 0xf7, 0x8b, 0x86, 0x0f, 0x01, 0x26, 
+	0xa3, 0x02, 0x00, 0xeb, 0xbe, 0xc7, 0x06, 0x5a, 0x55, 0x02, 0x00, 0x32, 
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+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00
+};
diff --git a/sys/contrib/dev/oltr/trlldmac.c b/sys/contrib/dev/oltr/trlldmac.c
new file mode 100644
index 0000000..63cfd3e3
--- /dev/null
+++ b/sys/contrib/dev/oltr/trlldmac.c
@@ -0,0 +1,2641 @@
+/*
+ * $FreeBSD$
+ *
+ *      Copyright (c) 1997
+ *      OLICOM A/S
+ *      Denmark
+ *
+ *      All Rights Reserved
+ *
+ *      This source file is subject to the terms and conditions of the
+ *      OLICOM Software License Agreement which restricts the manner
+ *      in which it may be used.
+ *
+ *---------------------------------------------------------------------------
+ *
+ *      Description: Olicom adapter micro-code
+ *
+ *---------------------------------------------------------------------------
+ */
+
+unsigned char TRlldMacCode[] __attribute ((aligned(2))) = {
+	0x52, 0x94, 0x02, 0x00, 0xba, 0x7a, 0x00, 0x00, 0xa0, 0x00, 0x01, 0xc8, 
+	0xe2, 0x28, 0xd4, 0xdb, 0x80, 0x00, 0x40, 0x00, 0x20, 0x00, 0x10, 0x00, 
+	0x08, 0x00, 0x04, 0x00, 0x02, 0x00, 0x01, 0x00, 0x00, 0x80, 0x00, 0x40, 
+	0x00, 0x20, 0x00, 0x10, 0x00, 0x08, 0x00, 0x04, 0x00, 0x02, 0x00, 0x01, 
+	0xff, 0x00, 0x00, 0xff, 0xff, 0xf0, 0xf0, 0x00, 0x00, 0x0f, 0xff, 0xff, 
+	0x7f, 0xff, 0x00, 0x03, 0x00, 0x00, 0x00, 0xd4, 0xe7, 0xe7, 0xe7, 0xf2, 
+	0xf2, 0xf8, 0x28, 0x43, 0x29, 0x20, 0x43, 0x4f, 0x50, 0x59, 0x52, 0x49, 
+	0x47, 0x48, 0x54, 0x20, 0x49, 0x42, 0x4d, 0x20, 0x31, 0x39, 0x38, 0x33, 
+	0x2c, 0x34, 0x2c, 0x35, 0x2c, 0x36, 0x28, 0x43, 0x29, 0x20, 0x43, 0x4f, 
+	0x50, 0x59, 0x52, 0x49, 0x47, 0x48, 0x54, 0x20, 0x54, 0x49, 0x20, 0x31, 
+	0x39, 0x38, 0x33, 0x2d, 0x38, 0x39, 0x2c, 0x39, 0x30, 0x2d, 0x39, 0x34, 
+	0x00, 0x00, 0x7b, 0x63, 0xf6, 0xde, 0xf1, 0xcc, 0xed, 0x9c, 0xf7, 0xe2, 
+	0x00, 0x00, 0x00, 0xc4, 0xbd, 0x24, 0x06, 0x4a, 0x06, 0x50, 0x06, 0x4c, 
+	0xda, 0x00, 0x06, 0x4e, 0x00, 0x0f, 0x06, 0x32, 0x00, 0x01, 0x07, 0x50, 
+	0x07, 0x58, 0x07, 0x52, 0xc2, 0xce, 0x07, 0x54, 0x00, 0x0f, 0x07, 0x38, 
+	0x00, 0x01, 0x00, 0xba, 0x00, 0xa0, 0x00, 0xbc, 0xf7, 0xf0, 0x00, 0xbe, 
+	0x00, 0x0f, 0x07, 0x5e, 0x07, 0x3a, 0x07, 0x62, 0x80, 0x40, 0x07, 0x64, 
+	0xc7, 0xb2, 0x07, 0x66, 0xc7, 0x94, 0x07, 0x68, 0xc5, 0x9e, 0x07, 0x98, 
+	0x80, 0x00, 0x07, 0x78, 0x80, 0x00, 0x08, 0xe2, 0x00, 0x04, 0x08, 0xe4, 
+	0x00, 0x01, 0x08, 0xec, 0x00, 0x08, 0x08, 0xf6, 0x00, 0x0a, 0x08, 0xf8, 
+	0x00, 0x06, 0x09, 0x00, 0x00, 0x0c, 0x09, 0x02, 0x00, 0x04, 0x01, 0xae, 
+	0x00, 0x00, 0x09, 0x1e, 0x00, 0x00, 0x09, 0x66, 0x00, 0x00, 0x06, 0x0c, 
+	0x00, 0x13, 0x06, 0x0a, 0x00, 0x20, 0x00, 0x00, 0x00, 0xe0, 0xb3, 0x86, 
+	0x00, 0xe0, 0xb2, 0xe6, 0x00, 0xe0, 0xb3, 0x86, 0x00, 0xe0, 0xb5, 0x02, 
+	0x00, 0xe0, 0xb6, 0x5e, 0x00, 0xe0, 0xb9, 0x3c, 0x00, 0xe0, 0xb4, 0x12, 
+	0x00, 0xc0, 0xb4, 0x22, 0x00, 0xe0, 0xb3, 0x86, 0x00, 0xe0, 0xb3, 0x86, 
+	0x00, 0xc0, 0xb4, 0x74, 0x00, 0xe0, 0xb3, 0x86, 0x00, 0xe0, 0xb3, 0x86, 
+	0x00, 0xe0, 0xb3, 0x86, 0x00, 0xe0, 0xb3, 0x86, 0x00, 0xe0, 0xb3, 0x86, 
+	0x00, 0xc0, 0xbd, 0x4a, 0x00, 0xc0, 0xbd, 0xb4, 0x00, 0xc0, 0xbd, 0xf0, 
+	0x00, 0xc0, 0xbe, 0x60, 0x00, 0xc0, 0xbe, 0xe2, 0x00, 0xe0, 0xc0, 0x50, 
+	0x00, 0xe0, 0xbf, 0xf6, 0x00, 0xe0, 0xc1, 0x52, 0x00, 0xe0, 0xc0, 0xe8, 
+	0x00, 0xe0, 0xba, 0x90, 0x00, 0xc0, 0xbb, 0x00, 0x00, 0xc0, 0xbb, 0x5a, 
+	0x00, 0xc0, 0xbb, 0x8c, 0x00, 0xc0, 0xba, 0xb4, 0x00, 0xc0, 0xb3, 0x80, 
+	0x00, 0xc0, 0xb3, 0x80, 0x3f, 0x00, 0x7f, 0x00, 0x5e, 0x00, 0x00, 0x30, 
+	0x00, 0x28, 0x00, 0x43, 0xb6, 0xb6, 0xb6, 0xb6, 0xb5, 0x1c, 0xb5, 0x14, 
+	0xb5, 0x46, 0xb5, 0x46, 0xb5, 0x62, 0xb6, 0xb6, 0x40, 0x00, 0x00, 0x00, 
+	0x20, 0x00, 0x00, 0x00, 0x08, 0x00, 0x20, 0x00, 0x08, 0x00, 0x80, 0x00, 
+	0x08, 0x00, 0x01, 0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x08, 0x00, 0x0c, 
+	0x00, 0x10, 0x00, 0x14, 0x10, 0x0e, 0x0c, 0x0c, 0x0a, 0x0a, 0x0a, 0x0a, 
+	0x00, 0x00, 0xa1, 0xc8, 0x00, 0x09, 0x08, 0x08, 0x00, 0x00, 0xa1, 0xd0, 
+	0x00, 0x11, 0x06, 0x06, 0x00, 0x00, 0xa1, 0xe0, 0x00, 0x21, 0x04, 0x04, 
+	0x00, 0x00, 0xa2, 0x00, 0x00, 0x41, 0x02, 0x02, 0x00, 0x00, 0xa2, 0x40, 
+	0x00, 0x81, 0x00, 0x00, 0x00, 0x00, 0xa2, 0xc0, 0x06, 0xd8, 0x07, 0x98, 
+	0xd7, 0xa2, 0x07, 0x58, 0xc6, 0x56, 0x07, 0x58, 0xc5, 0x5c, 0x07, 0x58, 
+	0xc6, 0xc6, 0x07, 0x58, 0xc6, 0x2e, 0x07, 0x98, 0xd4, 0x7e, 0x07, 0x98, 
+	0xd4, 0x76, 0x07, 0x78, 0xce, 0xea, 0x07, 0x58, 0xc6, 0x8e, 0x07, 0x98, 
+	0xd7, 0x5c, 0x07, 0x78, 0xcf, 0xbe, 0x07, 0x58, 0xd4, 0x8e, 0x07, 0x58, 
+	0xc6, 0x3e, 0x07, 0x58, 0xc6, 0x7c, 0x07, 0x58, 0xc7, 0x40, 0x07, 0x98, 
+	0xd8, 0xd2, 0x07, 0x98, 0xd4, 0xb2, 0x07, 0x78, 0xcf, 0x7e, 0x07, 0xb8, 
+	0xd9, 0x38, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc8, 0x00, 0xce, 0x3e, 
+	0xce, 0xf2, 0xd3, 0xfa, 0xca, 0xba, 0xca, 0xf2, 0xcb, 0x10, 0xcb, 0x9a, 
+	0xcb, 0xbe, 0xcb, 0xda, 0xcc, 0x52, 0xcc, 0x52, 0xcb, 0x86, 0xcc, 0xf0, 
+	0xcb, 0x40, 0x00, 0x00, 0x00, 0x00, 0x2c, 0x00, 0x0c, 0x00, 0x0f, 0x01, 
+	0xfe, 0xff, 0x58, 0x00, 0x0e, 0x00, 0xfe, 0xff, 0x00, 0x0e, 0x70, 0x00, 
+	0x80, 0x40, 0x5e, 0x00, 0xc0, 0xa0, 0xff, 0xdf, 0x18, 0x00, 0xe0, 0x00, 
+	0x78, 0x00, 0x50, 0x00, 0x60, 0x00, 0x70, 0x00, 0x0c, 0x00, 0x00, 0x06, 
+	0x00, 0x00, 0xe3, 0x84, 0x07, 0xe6, 0x07, 0xf4, 0x00, 0x08, 0x00, 0x00, 
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+	0x03, 0xf8, 0x88, 0x94, 0x01, 0x4e, 0x08, 0x00, 0x13, 0xa9, 0x01, 0xce, 
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+	0x02, 0x44, 0x5e, 0x00, 0x16, 0x0b, 0x06, 0x20, 0x06, 0xc6, 0x16, 0xdd, 
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+	0x13, 0x1a, 0x83, 0x58, 0x00, 0xf0, 0x13, 0x1a, 0x83, 0x66, 0x00, 0x14, 
+	0x13, 0x24, 0x88, 0xb6, 0x00, 0x04, 0x13, 0x2e, 0x83, 0x86, 0x00, 0x64, 
+	0x13, 0x2e, 0x83, 0xb0, 0x00, 0x02, 0x13, 0x42, 0x83, 0xde, 0x00, 0x05, 
+	0x13, 0x1a, 0x84, 0x26, 0x00, 0x04, 0x13, 0x38, 0x84, 0x64, 0x01, 0xf4, 
+	0x13, 0x1a, 0x84, 0xc0, 0x00, 0x14, 0xae, 0x00, 0xd9, 0x00, 0x02, 0x00, 
+	0xd9, 0x00, 0x00, 0x1e, 0x10, 0x00, 0x00, 0x10, 0x30, 0x11, 0x04, 0x0c, 
+	0x04, 0x0e, 0x04, 0x21, 0x00, 0x12, 0x10, 0x00, 0x00, 0x04, 0x30, 0x13, 
+	0xdb, 0xa8, 0xe8, 0x7c, 0x86, 0xbe, 0x86, 0xa8, 0x86, 0xa8, 0x87, 0x26, 
+	0x86, 0xa8, 0xeb, 0xf2, 0xdb, 0xa8, 0x86, 0xa0, 0xec, 0x04, 0xe8, 0x62, 
+	0xec, 0x10, 0xec, 0x10, 0xed, 0x3a, 0xed, 0x44, 0xed, 0x4e, 0x86, 0xa0, 
+	0x87, 0x44, 0x86, 0xa0, 0x87, 0xb2, 0x86, 0xa0, 0x03, 0x00, 0x0f, 0x0d, 
+	0x00, 0x02, 0x04, 0x06, 0x00, 0x03, 0x00, 0x00, 0xb2, 0xa8, 0x00, 0x02, 
+	0x80, 0x00, 0x00, 0x00, 0xb1, 0x00, 0x00, 0x02, 0x80, 0x00, 0x00, 0x00, 
+	0xf8, 0x08, 0x00, 0x02, 0x80, 0x00, 0x00, 0x00, 0xb9, 0x0c, 0x00, 0x06, 
+	0x48, 0x20, 0x13, 0x04, 0x01, 0x80, 0x00, 0x00, 0xba, 0x38, 0x00, 0x06, 
+	0x48, 0x20, 0x13, 0x04, 0x01, 0x80, 0x00, 0x00, 0xbc, 0x88, 0x00, 0x06, 
+	0x48, 0x20, 0x13, 0x04, 0x01, 0x80, 0x00, 0x00, 0xca, 0xaa, 0x00, 0x04, 
+	0x04, 0x60, 0x82, 0xb0, 0x00, 0x00, 0xc8, 0x2c, 0x00, 0x02, 0x06, 0x09, 
+	0x00, 0x00, 0xcc, 0x60, 0x00, 0x02, 0x06, 0x09, 0x00, 0x00, 0xdb, 0x1c, 
+	0x00, 0x04, 0x04, 0x60, 0x82, 0x56, 0x00, 0x00, 0xe0, 0xc8, 0x00, 0x02, 
+	0x80, 0xda, 0x00, 0x00, 0xed, 0x74, 0x00, 0x02, 0x80, 0xda, 0x00, 0x00, 
+	0xed, 0x94, 0x00, 0x02, 0x80, 0xda, 0x00, 0x00, 0xe7, 0xae, 0x00, 0x04, 
+	0x06, 0xa0, 0x81, 0x90, 0x00, 0x00, 0xe5, 0xb0, 0x00, 0x04, 0x04, 0x60, 
+	0x80, 0x28, 0x00, 0x00, 0xdb, 0xc0, 0x00, 0x04, 0x04, 0x60, 0x80, 0xbe, 
+	0x00, 0x00, 0xda, 0x76, 0x00, 0x04, 0x04, 0x60, 0x81, 0xb8, 0x00, 0x00, 
+	0xe0, 0x32, 0x00, 0x04, 0x04, 0x60, 0x81, 0xc0, 0x00, 0x00, 0xdb, 0x92, 
+	0x00, 0x04, 0x04, 0x60, 0x80, 0xfa, 0x00, 0x00, 0xe3, 0x76, 0x00, 0x04, 
+	0x04, 0x60, 0x81, 0xa0, 0x00, 0x00, 0xdd, 0x48, 0x00, 0x04, 0x04, 0x60, 
+	0x81, 0xda, 0x00, 0x00, 0xcc, 0xa2, 0x00, 0x04, 0x04, 0x60, 0x80, 0xc8, 
+	0x00, 0x01, 0x00, 0x00, 0x00, 0x00
+};
diff --git a/sys/contrib/ipfilter/netinet/IPFILTER.LICENCE b/sys/contrib/ipfilter/netinet/IPFILTER.LICENCE
index 2b4b67e..1ee473d 100644
--- a/sys/contrib/ipfilter/netinet/IPFILTER.LICENCE
+++ b/sys/contrib/ipfilter/netinet/IPFILTER.LICENCE
@@ -1,3 +1,5 @@
+$FreeBSD$
+
 Copyright (C) 1993-2002 by Darren Reed.
 
 The author accepts no responsibility for the use of this software and
diff --git a/sys/contrib/ipfilter/netinet/QNX_OCL.txt b/sys/contrib/ipfilter/netinet/QNX_OCL.txt
index 6aa33ea..b623776 100644
--- a/sys/contrib/ipfilter/netinet/QNX_OCL.txt
+++ b/sys/contrib/ipfilter/netinet/QNX_OCL.txt
@@ -1,3 +1,5 @@
+$FreeBSD$
+
    End User License Certificate (EULA) End User License Certificate
    (EULA) 
    Support Support 
diff --git a/sys/contrib/ipfilter/netinet/fil.c b/sys/contrib/ipfilter/netinet/fil.c
index a981fcb..96432a1 100644
--- a/sys/contrib/ipfilter/netinet/fil.c
+++ b/sys/contrib/ipfilter/netinet/fil.c
@@ -3,7 +3,7 @@
  *
  * See the IPFILTER.LICENCE file for details on licencing.
  */
-#if defined(__sgi) && (IRIX > 602)
+#ifdef __sgi
 # include <sys/ptimers.h>
 #endif
 #include <sys/errno.h>
@@ -95,9 +95,11 @@
 #endif
 #include "netinet/ipl.h"
 
+#include <machine/in_cksum.h>
+
 #if !defined(lint)
 static const char sccsid[] = "@(#)fil.c	1.36 6/5/96 (C) 1993-2000 Darren Reed";
-static const char rcsid[] = "@(#)$Id: fil.c,v 2.35.2.67 2002/12/06 13:28:05 darrenr Exp $";
+static const char rcsid[] = "@(#)$FreeBSD$";
 #endif
 
 #ifndef	_KERNEL
@@ -699,8 +701,7 @@ void *m;
 			if (!fr_tcpudpchk(&fr->fr_tuc, fin))
 				continue;
 		} else if (fr->fr_icmpm || fr->fr_icmp) {
-			if (((fi->fi_p != IPPROTO_ICMP) &&
-			    (fi->fi_p != IPPROTO_ICMPV6)) || off ||
+			if ((fi->fi_p != IPPROTO_ICMP) || off ||
 			    (fin->fin_dlen < 2))
 				continue;
 			if ((fin->fin_data[0] & fr->fr_icmpm) != fr->fr_icmp) {
@@ -815,26 +816,6 @@ int out;
 #  endif
 	int up;
 
-#  if !SOLARIS && !defined(NETBSD_PF) && \
-      ((defined(__FreeBSD__) && (__FreeBSD_version < 500011)) || \
-       defined(__OpenBSD__) || defined(_BSDI_VERSION))
-	if (fr_checkp != fr_check && fr_running > 0) {
-		static int counter = 0;
-
-		if (counter == 0) {
-			printf("WARNING: fr_checkp corrupt: value %lx\n",
-				(u_long)fr_checkp);
-			printf("WARNING: fr_checkp should be %lx\n",
-				(u_long)fr_check);
-			printf("WARNING: fixing fr_checkp\n");
-		}
-		fr_checkp = fr_check;
-		counter++;
-		if (counter == 10000)
-			counter = 0;
-	}
-#  endif
-
 #  ifdef M_CANFASTFWD
 	/*
 	 * XXX For now, IP Filter and fast-forwarding of cached flows
@@ -940,6 +921,15 @@ int out;
 # endif
 #endif /* _KERNEL */
 	
+#ifndef __FreeBSD__
+	/*
+	 * Be careful here: ip_id is in network byte order when called
+	 * from ip_output()
+	 */
+	if ((out) && (v == 4))
+		ip->ip_id = ntohs(ip->ip_id);
+#endif
+
 	changed = 0;
 	fin->fin_ifp = ifp;
 	fin->fin_v = v;
@@ -1182,6 +1172,11 @@ logit:
 	}
 #endif /* IPFILTER_LOG */
 
+#ifndef __FreeBSD__	
+	if ((out) && (v == 4))
+		ip->ip_id = htons(ip->ip_id);
+#endif
+
 #ifdef	_KERNEL
 	/*
 	 * Only allow FR_DUP to work if a rule matched - it makes no sense to
@@ -1193,7 +1188,7 @@ logit:
 		mc = dupmsg(m);
 # else
 #  if defined(__OpenBSD__) && (OpenBSD >= 199905)
-		mc = m_copym2(m, 0, M_COPYALL, M_DONTWAIT);
+		mc = m_copym2(m, 0, M_COPYALL, M_NOWAIT);
 #  else
 		mc = m_copy(m, 0, M_COPYALL);
 #  endif
@@ -1531,7 +1526,7 @@ nodata:
  * SUCH DAMAGE.
  *
  *	@(#)uipc_mbuf.c	8.2 (Berkeley) 1/4/94
- * $Id: fil.c,v 2.35.2.67 2002/12/06 13:28:05 darrenr Exp $
+ * $Id: fil.c,v 2.35.2.63 2002/08/28 12:40:08 darrenr Exp $
  */
 /*
  * Copy data from an mbuf chain starting "off" bytes from the beginning,
@@ -1592,7 +1587,7 @@ m_copyback(m0, off, len, cp)
 		off -= mlen;
 		totlen += mlen;
 		if (m->m_next == 0) {
-			n = m_getclr(M_DONTWAIT, m->m_type);
+			n = m_getclr(M_NOWAIT, m->m_type);
 			if (n == 0)
 				goto out;
 			n->m_len = min(MLEN, len + off);
@@ -1611,7 +1606,7 @@ m_copyback(m0, off, len, cp)
 		if (len == 0)
 			break;
 		if (m->m_next == 0) {
-			n = m_get(M_DONTWAIT, m->m_type);
+			n = m_get(M_NOWAIT, m->m_type);
 			if (n == 0)
 				break;
 			n->m_len = min(MLEN, len);
@@ -1737,9 +1732,9 @@ frentry_t **listp;
 }
 
 
-int frflush(unit, proto, flags)
+int frflush(unit, flags)
 minor_t unit;
-int proto, flags;
+int flags;
 {
 	int flushed = 0, set;
 
@@ -1754,35 +1749,19 @@ int proto, flags;
 
 	if (flags & FR_OUTQUE) {
 #ifdef	USE_INET6
-		if (proto == 0 || proto == 6) {
-			(void) frflushlist(set, unit,
-					   &flushed, &ipfilter6[1][set]);
-			(void) frflushlist(set, unit,
-					   &flushed, &ipacct6[1][set]);
-		}
+		(void) frflushlist(set, unit, &flushed, &ipfilter6[1][set]);
+		(void) frflushlist(set, unit, &flushed, &ipacct6[1][set]);
 #endif
-		if (proto == 0 || proto == 4) {
-			(void) frflushlist(set, unit,
-					   &flushed, &ipfilter[1][set]);
-			(void) frflushlist(set, unit,
-					   &flushed, &ipacct[1][set]);
-		}
+		(void) frflushlist(set, unit, &flushed, &ipfilter[1][set]);
+		(void) frflushlist(set, unit, &flushed, &ipacct[1][set]);
 	}
 	if (flags & FR_INQUE) {
 #ifdef	USE_INET6
-		if (proto == 0 || proto == 6) {
-			(void) frflushlist(set, unit,
-					    &flushed, &ipfilter6[0][set]);
-			(void) frflushlist(set, unit,
-					   &flushed, &ipacct6[0][set]);
-		}
+		(void) frflushlist(set, unit, &flushed, &ipfilter6[0][set]);
+		(void) frflushlist(set, unit, &flushed, &ipacct6[0][set]);
 #endif
-		if (proto == 0 || proto == 4) {
-			(void) frflushlist(set, unit,
-					   &flushed, &ipfilter[0][set]);
-			(void) frflushlist(set, unit,
-					   &flushed, &ipacct[0][set]);
-		}
+		(void) frflushlist(set, unit, &flushed, &ipfilter[0][set]);
+		(void) frflushlist(set, unit, &flushed, &ipacct[0][set]);
 	}
 	RWLOCK_EXIT(&ipf_mutex);
 	return flushed;
@@ -1984,6 +1963,9 @@ void frsync()
      (defined(__FreeBSD_version) && (__FreeBSD_version >= 300000))
 #   if (NetBSD >= 199905) || defined(__OpenBSD__)
 	for (ifp = ifnet.tqh_first; ifp; ifp = ifp->if_list.tqe_next)
+#   elif defined(__FreeBSD_version) && (__FreeBSD_version >= 500043)
+	IFNET_RLOCK();
+	TAILQ_FOREACH(ifp, &ifnet, if_link)
 #   else
 	for (ifp = ifnet.tqh_first; ifp; ifp = ifp->if_link.tqe_next)
 #   endif
@@ -1994,6 +1976,9 @@ void frsync()
 		ip_natsync(ifp);
 		ip_statesync(ifp);
 	}
+#  if defined(__FreeBSD_version) && (__FreeBSD_version >= 500043)
+	IFNET_RUNLOCK();
+#  endif
 	ip_natsync((struct ifnet *)-1);
 # endif /* !SOLARIS */
 
diff --git a/sys/contrib/ipfilter/netinet/ip_auth.c b/sys/contrib/ipfilter/netinet/ip_auth.c
index 604d754..fb9910d 100644
--- a/sys/contrib/ipfilter/netinet/ip_auth.c
+++ b/sys/contrib/ipfilter/netinet/ip_auth.c
@@ -3,7 +3,7 @@
  *
  * See the IPFILTER.LICENCE file for details on licencing.
  */
-#if defined(__sgi) && (IRIX > 602)
+#ifdef __sgi
 # include <sys/ptimers.h>
 #endif
 #include <sys/errno.h>
@@ -104,7 +104,8 @@ extern struct ifqueue   ipintrq;		/* ip packet input queue */
 #endif
 
 #if !defined(lint)
-static const char rcsid[] = "@(#)$Id: ip_auth.c,v 2.11.2.24 2002/12/06 11:40:21 darrenr Exp $";
+/* static const char rcsid[] = "@(#)$Id: ip_auth.c,v 2.11.2.12 2001/07/18 14:57:08 darrenr Exp $"; */
+static const char rcsid[] = "@(#)$FreeBSD$";
 #endif
 
 
@@ -282,6 +283,11 @@ ip_t *ip;
 
 		bo = ip->ip_len;
 		ip->ip_len = htons(bo);
+# if !SOLARIS && !defined(__NetBSD__) && !defined(__FreeBSD__)
+		/* 4.4BSD converts this ip_input.c, but I don't in solaris.c */
+		bo = ip->ip_id;
+		ip->ip_id = htons(bo);
+# endif
 		bo = ip->ip_off;
 		ip->ip_off = htons(bo);
 	}
@@ -292,7 +298,7 @@ ip_t *ip;
 	cv_signal(&ipfauthwait);
 #else
 # if defined(BSD) && !defined(sparc) && (BSD >= 199306)
-	if (fin->fin_out == 0) {
+	if (!fin->fin_out) {
 		ip->ip_len = htons(ip->ip_len);
 		ip->ip_off = htons(ip->ip_off);
 	}
@@ -304,7 +310,7 @@ ip_t *ip;
 }
 
 
-int fr_auth_ioctl(data, mode, cmd)
+int fr_auth_ioctl(data, mode, cmd, fr, frptr)
 caddr_t data;
 int mode;
 #if defined(__NetBSD__) || defined(__OpenBSD__) || (__FreeBSD_version >= 300003)
@@ -312,22 +318,19 @@ u_long cmd;
 #else
 int cmd;
 #endif
+frentry_t *fr, **frptr;
 {
 	mb_t *m;
 #if defined(_KERNEL) && !SOLARIS
-	struct ifqueue *ifq;
 	int s;
 #endif
 	frauth_t auth, *au = &auth, *fra;
+	frauthent_t *fae, **faep;
 	int i, error = 0;
 
 	switch (cmd)
 	{
 	case SIOCSTLCK :
-		if (!(mode & FWRITE)) {
-			error = EPERM;
-			break;
-		}
 		error = fr_lock(data, &fr_auth_lock);
 		break;
 	case SIOCINIFR :
@@ -340,8 +343,45 @@ int cmd;
 		break;
 	case SIOCRMAFR :
 	case SIOCADAFR :
-		/* These commands go via request to fr_preauthcmd */
-		error = EINVAL;
+		for (faep = &fae_list; (fae = *faep); )
+			if (&fae->fae_fr == fr)
+				break;
+			else
+				faep = &fae->fae_next;
+		if (cmd == SIOCRMAFR) {
+			if (!fr || !frptr)
+				error = EINVAL;
+			else if (!fae)
+				error = ESRCH;
+			else {
+				WRITE_ENTER(&ipf_auth);
+				SPL_NET(s);
+				*faep = fae->fae_next;
+				*frptr = fr->fr_next;
+				SPL_X(s);
+				RWLOCK_EXIT(&ipf_auth);
+				KFREE(fae);
+			}
+		} else if (fr && frptr) {
+			KMALLOC(fae, frauthent_t *);
+			if (fae != NULL) {
+				bcopy((char *)fr, (char *)&fae->fae_fr,
+				      sizeof(*fr));
+				WRITE_ENTER(&ipf_auth);
+				SPL_NET(s);
+				fae->fae_age = fr_defaultauthage;
+				fae->fae_fr.fr_hits = 0;
+				fae->fae_fr.fr_next = *frptr;
+				*frptr = &fae->fae_fr;
+				fae->fae_next = *faep;
+				*faep = fae;
+				ipauth = &fae_list->fae_fr;
+				SPL_X(s);
+				RWLOCK_EXIT(&ipf_auth);
+			} else
+				error = ENOMEM;
+		} else
+			error = EINVAL;
 		break;
 	case SIOCATHST:
 		fr_authstats.fas_faelist = fae_list;
@@ -418,7 +458,8 @@ fr_authioctlloop:
 
 			bzero((char *)&ro, sizeof(ro));
 #  if ((_BSDI_VERSION >= 199802) && (_BSDI_VERSION < 200005)) || \
-       defined(__OpenBSD__) || (defined(IRIX) && (IRIX >= 605))
+       defined(__OpenBSD__) || (defined(IRIX) && (IRIX >= 605)) || \
+       (__FreeBSD_version >= 500042)
 			error = ip_output(m, NULL, &ro, IP_FORWARDING, NULL,
 					  NULL);
 #  else
@@ -436,17 +477,10 @@ fr_authioctlloop:
 # if SOLARIS
 			error = (fr_qin(fra->fra_q, m) == 0) ? EINVAL : 0;
 # else /* SOLARIS */
-			ifq = &ipintrq;
-			if (IF_QFULL(ifq)) {
-				IF_DROP(ifq);
-				m_freem(m);
+			if (! IF_HANDOFF(&ipintrq, m, NULL))
 				error = ENOBUFS;
-			} else {
-				IF_ENQUEUE(ifq, m);
-#  if IRIX < 605
+			else
 				schednetisr(NETISR_IP);
-#  endif
-			}
 # endif /* SOLARIS */
 			if (error)
 				fr_authstats.fas_quefail++;
@@ -595,66 +629,3 @@ void fr_authexpire()
 	RWLOCK_EXIT(&ipf_auth);
 	SPL_X(s);
 }
-
-int fr_preauthcmd(cmd, fr, frptr)
-#if defined(__NetBSD__) || defined(__OpenBSD__) || \
-	(_BSDI_VERSION >= 199701) || (__FreeBSD_version >= 300000)
-u_long cmd;
-#else
-int cmd;
-#endif                 
-frentry_t *fr, **frptr;
-{
-	frauthent_t *fae, **faep;
-	int error = 0;
-#if defined(KERNEL) && !SOLARIS
-	int s;
-#endif
-
-	if ((cmd != SIOCADAFR) && (cmd != SIOCRMAFR)) {
-		/* Should not happen */
-		printf("fr_preauthcmd called with bad cmd 0x%lx", (u_long)cmd);
-		return EIO;
-	}
-	
-	for (faep = &fae_list; (fae = *faep); )
-		if (&fae->fae_fr == fr)
-			break;
-		else
-			faep = &fae->fae_next;
-	if (cmd == SIOCRMAFR) {
-		if (!fr || !frptr)
-			error = EINVAL;
-		else if (!fae)
-			error = ESRCH;
-		else {
-			WRITE_ENTER(&ipf_auth);
-			SPL_NET(s);
-			*faep = fae->fae_next;
-			*frptr = fr->fr_next;
-			SPL_X(s);
-			RWLOCK_EXIT(&ipf_auth);
-			KFREE(fae);
-		}
-	} else if (fr && frptr) {
-		KMALLOC(fae, frauthent_t *);
-		if (fae != NULL) {
-			bcopy((char *)fr, (char *)&fae->fae_fr,
-			      sizeof(*fr));
-			WRITE_ENTER(&ipf_auth);
-			SPL_NET(s);
-			fae->fae_age = fr_defaultauthage;
-			fae->fae_fr.fr_hits = 0;
-			fae->fae_fr.fr_next = *frptr;
-			*frptr = &fae->fae_fr;
-			fae->fae_next = *faep;
-			*faep = fae;
-			ipauth = &fae_list->fae_fr;
-			SPL_X(s);
-			RWLOCK_EXIT(&ipf_auth);
-		} else
-			error = ENOMEM;
-	} else
-		error = EINVAL;
-	return error;
-}
diff --git a/sys/contrib/ipfilter/netinet/ip_auth.h b/sys/contrib/ipfilter/netinet/ip_auth.h
index e0cbf04..cc2b661 100644
--- a/sys/contrib/ipfilter/netinet/ip_auth.h
+++ b/sys/contrib/ipfilter/netinet/ip_auth.h
@@ -3,7 +3,7 @@
  *
  * See the IPFILTER.LICENCE file for details on licencing.
  *
- * $Id: ip_auth.h,v 2.3.2.6 2002/10/26 07:03:00 darrenr Exp $
+ * $FreeBSD$
  *
  */
 #ifndef	__IP_AUTH_H__
@@ -54,10 +54,8 @@ extern	mb_t	*fr_authpkts[];
 extern	int	fr_newauth __P((mb_t *, fr_info_t *, ip_t *));
 #if defined(__NetBSD__) || defined(__OpenBSD__) || \
     (__FreeBSD_version >= 300003)
-extern	int	fr_preauthcmd __P((u_long, frentry_t *, frentry_t **));
-extern	int	fr_auth_ioctl __P((caddr_t, int, u_long));
+extern	int	fr_auth_ioctl __P((caddr_t, int, u_long, frentry_t *, frentry_t **));
 #else
-extern	int	fr_preauthcmd __P((int, frentry_t *, frentry_t **));
-extern	int	fr_auth_ioctl __P((caddr_t, int, int));
+extern	int	fr_auth_ioctl __P((caddr_t, int, int, frentry_t *, frentry_t **));
 #endif
 #endif	/* __IP_AUTH_H__ */
diff --git a/sys/contrib/ipfilter/netinet/ip_compat.h b/sys/contrib/ipfilter/netinet/ip_compat.h
index 3eacc73..1a43238 100644
--- a/sys/contrib/ipfilter/netinet/ip_compat.h
+++ b/sys/contrib/ipfilter/netinet/ip_compat.h
@@ -4,7 +4,8 @@
  * See the IPFILTER.LICENCE file for details on licencing.
  *
  * @(#)ip_compat.h	1.8 1/14/96
- * $Id: ip_compat.h,v 2.26.2.47 2002/10/26 06:24:42 darrenr Exp $
+ * $Id: ip_compat.h,v 2.26.2.9 2001/01/14 14:58:01 darrenr Exp $
+ * $FreeBSD$
  */
 
 #ifndef	__IP_COMPAT_H__
@@ -532,7 +533,6 @@ extern	ill_t	*get_unit __P((char *, int));
 
 # ifdef sun
 #  if !SOLARIS
-#   include	<sys/time.h>
 #   include	<sys/kmem_alloc.h>
 #   define	GETUNIT(n, v)	ifunit(n, IFNAMSIZ)
 #   define	IFNAME(x)	((struct ifnet *)x)->if_name
@@ -655,7 +655,6 @@ extern	vm_map_t	kmem_map;
 # define	IWCOPYPTR	iwcopyptr
 # define	IFNAME(x)	get_ifname((struct ifnet *)x)
 # define	UIOMOVE(a,b,c,d)	ipfuiomove(a,b,c,d)
-# include	<sys/time.h>
 extern	void	m_copydata __P((mb_t *, int, int, caddr_t));
 extern	int	ipfuiomove __P((caddr_t, int, int, struct uio *));
 #endif /* KERNEL */
diff --git a/sys/contrib/ipfilter/netinet/ip_fil.c b/sys/contrib/ipfilter/netinet/ip_fil.c
index 8fcd05d..da64a49 100644
--- a/sys/contrib/ipfilter/netinet/ip_fil.c
+++ b/sys/contrib/ipfilter/netinet/ip_fil.c
@@ -3,6 +3,7 @@
  *
  * See the IPFILTER.LICENCE file for details on licencing.
  */
+
 #ifndef	SOLARIS
 #define	SOLARIS	(defined(sun) && (defined(__svr4__) || defined(__SVR4)))
 #endif
@@ -24,7 +25,7 @@
 #  include <osreldate.h>
 # endif
 #endif
-#if defined(__sgi) && (IRIX > 602)
+#ifdef __sgi
 # define _KMEMUSER
 # include <sys/ptimers.h>
 #endif
@@ -117,17 +118,15 @@
 # include <sys/kernel.h>
 extern	int	ip_optcopy __P((struct ip *, struct ip *));
 #endif
-#if defined(OpenBSD) && (OpenBSD >= 200211) && defined(_KERNEL)
-extern	int	ip6_getpmtu(struct route_in6 *, struct route_in6 *,
-			    struct ifnet *, struct in6_addr *, u_long *);
-#endif
+
+#include <machine/in_cksum.h>
 
 #if !defined(lint)
 static const char sccsid[] = "@(#)ip_fil.c	2.41 6/5/96 (C) 1993-2000 Darren Reed";
-static const char rcsid[] = "@(#)$Id: ip_fil.c,v 2.42.2.64 2002/12/06 11:45:45 darrenr Exp $";
+/* static const char rcsid[] = "@(#)$Id: ip_fil.c,v 2.42.2.34 2001/07/23 13:49:57 darrenr Exp $"; */
+static const char rcsid[] = "@(#)$FreeBSD$";
 #endif
 
-
 extern	struct	protosw	inetsw[];
 
 #ifndef	_KERNEL
@@ -196,15 +195,6 @@ struct timeout ipfr_slowtimer_ch;
 toid_t ipfr_slowtimer_ch;
 #endif
 
-#if defined(__NetBSD__) && (__NetBSD_Version__ >= 106080000) && \
-    defined(_KERNEL)
-# include <sys/conf.h>
-const struct cdevsw ipl_cdevsw = {
-	iplopen, iplclose, iplread, nowrite, iplioctl,
-	nostop, notty, nopoll, nommap,
-};
-#endif
-
 #if (_BSDI_VERSION >= 199510) && defined(_KERNEL)
 # include <sys/device.h>
 # include <sys/conf.h>
@@ -221,7 +211,8 @@ struct devsw iplsw = {
 };
 #endif /* _BSDI_VERSION >= 199510  && _KERNEL */
 
-#if defined(__NetBSD__) || defined(__OpenBSD__)  || (_BSDI_VERSION >= 199701)
+#if defined(__NetBSD__) || defined(__OpenBSD__)  || \
+    (_BSDI_VERSION >= 199701) || (__FreeBSD_version >= 500011)
 # include <sys/conf.h>
 # if defined(NETBSD_PF)
 #  include <net/pfil.h>
@@ -332,7 +323,7 @@ int count;
 # endif
 
 
-# if defined(__NetBSD__) || defined(__OpenBSD__)
+# if defined(__NetBSD__)
 int ipl_enable()
 # else
 int iplattach()
@@ -340,7 +331,8 @@ int iplattach()
 {
 	char *defpass;
 	int s;
-# if defined(__sgi) || (defined(NETBSD_PF) && (__NetBSD_Version__ >= 104200000))
+# if defined(__sgi) || (defined(NETBSD_PF) && \
+  ((__NetBSD_Version__ >= 104200000) || (__FreeBSD_version >= 500011)))
 	int error = 0;
 # endif
 #if defined(__NetBSD_Version__) && (__NetBSD_Version__ >= 105110000)
@@ -376,13 +368,10 @@ int iplattach()
 # ifdef NETBSD_PF
 #  if (__NetBSD_Version__ >= 104200000) || (__FreeBSD_version >= 500011)
 #   if __NetBSD_Version__ >= 105110000
-	ph_inet = pfil_head_get(PFIL_TYPE_AF, AF_INET);
-#    ifdef USE_INET6
-	ph_inet6 = pfil_head_get(PFIL_TYPE_AF, AF_INET6);
-#    endif
-	if (ph_inet == NULL
+	if (
+	    !(ph_inet = pfil_head_get(PFIL_TYPE_AF, AF_INET))
 #    ifdef USE_INET6
-	    && ph_inet6 == NULL
+	    && !(ph_inet6 = pfil_head_get(PFIL_TYPE_AF, AF_INET6))
 #    endif
 	   )
 		return ENODEV;
@@ -499,7 +488,7 @@ int ipl_disable()
 int ipldetach()
 # endif
 {
-	int s, i;
+	int s, i = FR_INQUE|FR_OUTQUE;
 #if defined(NETBSD_PF) && \
     ((__NetBSD_Version__ >= 104200000) || (__FreeBSD_version >= 500011))
 	int error = 0;
@@ -541,8 +530,8 @@ int ipldetach()
 	printf("%s unloaded\n", ipfilter_version);
 
 	fr_checkp = fr_savep;
-	i = frflush(IPL_LOGIPF, 0, FR_INQUE|FR_OUTQUE|FR_INACTIVE);
-	i += frflush(IPL_LOGIPF, 0, FR_INQUE|FR_OUTQUE);
+	i = frflush(IPL_LOGIPF, FR_INQUE|FR_OUTQUE|FR_INACTIVE);
+	i += frflush(IPL_LOGIPF, FR_INQUE|FR_OUTQUE);
 	fr_running = 0;
 
 # ifdef NETBSD_PF
@@ -629,8 +618,8 @@ int IPL_EXTERN(ioctl)(dev, cmd, data, mode
 # if (defined(_KERNEL) && ((_BSDI_VERSION >= 199510) || (BSD >= 199506) || \
        (NetBSD >= 199511) || (__FreeBSD_version >= 220000) || \
        defined(__OpenBSD__)))
-, p)
-struct proc *p;
+, td)
+struct thread *td;
 # else
 )
 # endif
@@ -651,7 +640,7 @@ int mode;
 	int error = 0, unit = 0, tmp;
 
 #if (BSD >= 199306) && defined(_KERNEL)
-	if ((securelevel >= 2) && (mode & FWRITE))
+	if ((securelevel >= 3) && (mode & FWRITE))
 		return EPERM;
 #endif
 #ifdef	_KERNEL
@@ -687,16 +676,7 @@ int mode;
 		if (!fr_running)
 			error = EIO;
 		else
-			if ((cmd == SIOCADAFR) || (cmd == SIOCRMAFR)) {
-				if (!(mode & FWRITE))  {
-					error = EPERM;
-				} else {
-					error = frrequest(unit, cmd, data,
-							  fr_active);
-				}
-			} else {
-				error = fr_auth_ioctl(data, mode, cmd);
-			}
+			error = fr_auth_ioctl(data, mode, cmd, NULL, NULL);
 		SPL_X(s);
 		return error;
 	}
@@ -720,7 +700,7 @@ int mode;
 			if (error)
 				break;
 			if (enable)
-# if defined(__NetBSD__) || defined(__OpenBSD__)
+# if defined(__NetBSD__)
 				error = ipl_enable();
 # else
 				error = iplattach();
@@ -793,26 +773,12 @@ int mode;
 		else {
 			error = IRCOPY(data, (caddr_t)&tmp, sizeof(tmp));
 			if (!error) {
-				tmp = frflush(unit, 4, tmp);
-				error = IWCOPY((caddr_t)&tmp, data,
-					       sizeof(tmp));
-			}
-		}
-		break;
-#ifdef	USE_INET6
-	case	SIOCIPFL6 :
-		if (!(mode & FWRITE))
-			error = EPERM;
-		else {
-			error = IRCOPY(data, (caddr_t)&tmp, sizeof(tmp));
-			if (!error) {
-				tmp = frflush(unit, 6, tmp);
+				tmp = frflush(unit, tmp);
 				error = IWCOPY((caddr_t)&tmp, data,
 					       sizeof(tmp));
 			}
 		}
 		break;
-#endif
 	case SIOCSTLCK :
 		error = IRCOPY(data, (caddr_t)&tmp, sizeof(tmp));
 		if (!error) {
@@ -837,6 +803,12 @@ int mode;
 		if (error)
 			error = EFAULT;
 		break;
+	case SIOCAUTHW :
+	case SIOCAUTHR :
+		if (!(mode & FWRITE)) {
+			error = EPERM;
+			break;
+		}
 	case SIOCFRSYN :
 		if (!(mode & FWRITE))
 			error = EPERM;
@@ -1042,9 +1014,6 @@ caddr_t data;
 				return EBUSY;
 			if (fg && fg->fg_head)
 				fg->fg_head->fr_ref--;
-			if (unit == IPL_LOGAUTH) {
-				return fr_preauthcmd(req, f, ftail);
-			}
 			if (f->fr_grhead)
 				fr_delgroup((u_int)f->fr_grhead, fp->fr_flags,
 					    unit, set);
@@ -1059,9 +1028,6 @@ caddr_t data;
 		if (f)
 			error = EEXIST;
 		else {
-			if (unit == IPL_LOGAUTH) {
-				return fr_preauthcmd(req, fp, ftail);
-			}
 			KMALLOC(f, frentry_t *);
 			if (f != NULL) {
 				if (fg && fg->fg_head)
@@ -1098,9 +1064,9 @@ int IPL_EXTERN(open)(dev_t dev, int flags)
 int IPL_EXTERN(open)(dev, flags
 #  if ((_BSDI_VERSION >= 199510) || (BSD >= 199506) || (NetBSD >= 199511) || \
      (__FreeBSD_version >= 220000) || defined(__OpenBSD__)) && defined(_KERNEL)
-, devtype, p)
+, devtype, td)
 int devtype;
-struct proc *p;
+struct thread *td;
 #  else
 )
 #  endif
@@ -1128,9 +1094,9 @@ int IPL_EXTERN(close)(dev_t dev, int flags, int devtype, cred_t *cp)
 int IPL_EXTERN(close)(dev, flags
 #  if ((_BSDI_VERSION >= 199510) || (BSD >= 199506) || (NetBSD >= 199511) || \
      (__FreeBSD_version >= 220000) || defined(__OpenBSD__)) && defined(_KERNEL)
-, devtype, p)
+, devtype, td)
 int devtype;
-struct proc *p;
+struct thread *td;
 #  else
 )
 #  endif
@@ -1194,9 +1160,9 @@ fr_info_t *fin;
 	if (tcp->th_flags & TH_RST)
 		return -1;		/* feedback loop */
 # if	(BSD < 199306) || defined(__sgi)
-	m = m_get(M_DONTWAIT, MT_HEADER);
+	m = m_get(M_NOWAIT, MT_HEADER);
 # else
-	m = m_gethdr(M_DONTWAIT, MT_HEADER);
+	m = m_gethdr(M_NOWAIT, MT_HEADER);
 # endif
 	if (m == NULL)
 		return ENOBUFS;
@@ -1287,8 +1253,7 @@ struct mbuf **mp;
 		ip->ip_tos = oip->ip_tos;
 		ip->ip_id = oip->ip_id;
 
-# if defined(__NetBSD__) || \
-     (defined(__OpenBSD__) && (OpenBSD >= 200012))
+# if defined(__NetBSD__) || defined(__OpenBSD__)
 		if (ip_mtudisc != 0)
 			ip->ip_off = IP_DF;
 # else
@@ -1372,10 +1337,10 @@ int dst;
 
 # if	(BSD < 199306) || defined(__sgi)
 		avail = MLEN;
-		m = m_get(M_DONTWAIT, MT_HEADER);
+		m = m_get(M_NOWAIT, MT_HEADER);
 # else
 		avail = MHLEN;
-		m = m_gethdr(M_DONTWAIT, MT_HEADER);
+		m = m_gethdr(M_NOWAIT, MT_HEADER);
 # endif
 		if (m == NULL)
 			return ENOBUFS;
@@ -1399,11 +1364,11 @@ int dst;
 		if (type == ICMP6_DST_UNREACH)
 			code = icmptoicmp6unreach[code];
 
-		MGETHDR(m, M_DONTWAIT, MT_HEADER);
+		MGETHDR(m, M_NOWAIT, MT_HEADER);
 		if (!m)
 			return ENOBUFS;
 
-		MCLGET(m, M_DONTWAIT);
+		MCLGET(m, M_NOWAIT);
 		if ((m->m_flags & M_EXT) == 0) {
 			m_freem(m);
 			return ENOBUFS;
@@ -1412,7 +1377,7 @@ int dst;
 		m->m_len = 0;
 		avail = M_TRAILINGSPACE(m);
 # else
-		avail = (m->m_flags & M_EXT) ? MCLBYTES : MHLEN;
+		avail = MCLBYTES;
 # endif
 		xtra = MIN(ntohs(oip6->ip6_plen) + sizeof(ip6_t),
 			   avail - hlen - sizeof(*icmp) - max_linkhdr);
@@ -1523,7 +1488,7 @@ void
 iplinit()
 {
 
-#  if defined(__NetBSD__) || defined(__OpenBSD__)
+#  if defined(__NetBSD__)
 	if (ipl_enable() != 0)
 #  else
 	if (iplattach() != 0)
@@ -1599,7 +1564,7 @@ frdest_t *fdp;
 	 * problem.
 	 */
 	if (M_WRITABLE(m) == 0) {
-		if ((m0 = m_dup(m, M_DONTWAIT)) != NULL) {
+		if ((m0 = m_dup(m, M_NOWAIT)) != NULL) {
 			m_freem(*mpp);
 			*mpp = m0;
 			m = m0;
@@ -1628,7 +1593,7 @@ frdest_t *fdp;
 	/*
 	 * Route packet.
 	 */
-#if defined(__sgi) && (IRIX >= 605)
+#ifdef	__sgi
 	ROUTE_RDLOCK();
 #endif
 	bzero((caddr_t)ro, sizeof (*ro));
@@ -1668,7 +1633,7 @@ frdest_t *fdp;
 	rtalloc(ro);
 # endif
 
-#if defined(__sgi) && (IRIX > 602)
+#ifdef	__sgi
 	ROUTE_UNLOCK();
 #endif
 
@@ -1782,9 +1747,9 @@ frdest_t *fdp;
 	mhlen = sizeof (struct ip);
 	for (off = hlen + len; off < ip->ip_len; off += len) {
 # ifdef	MGETHDR
-		MGETHDR(m, M_DONTWAIT, MT_HEADER);
+		MGETHDR(m, M_NOWAIT, MT_HEADER);
 # else
-		MGET(m, M_DONTWAIT, MT_HEADER);
+		MGET(m, M_NOWAIT, MT_HEADER);
 # endif
 		if (m == 0) {
 			error = ENOBUFS;
@@ -1939,12 +1904,6 @@ frdest_t *fdp;
 	struct route_in6 *ro;
 	struct ifnet *ifp;
 	frentry_t *fr;
-#if defined(OpenBSD) && (OpenBSD >= 200211)
-	struct route_in6 *ro_pmtu = NULL;
-	struct in6_addr finaldst;
-	ip6_t *ip6;
-#endif
-	u_long mtu;
 	int error;
 
 	ifp = NULL;
@@ -1982,23 +1941,11 @@ frdest_t *fdp;
 			dst6 = (struct sockaddr_in6 *)ro->ro_rt->rt_gateway;
 		ro->ro_rt->rt_use++;
 
-#if defined(OpenBSD) && (OpenBSD >= 200211)
-		ip6 = mtod(m0, ip6_t *);
-		ro_pmtu = ro;
-		finaldst = ip6->ip6_dst;
-		error = ip6_getpmtu(ro_pmtu, ro, ifp, &finaldst, &mtu);
-		if (error == 0) {
-#else
-			mtu = nd_ifinfo[ifp->if_index].linkmtu;
-#endif
-			if (m0->m_pkthdr.len <= mtu)
-				error = nd6_output(ifp, fin->fin_ifp, m0,
-						   dst6, ro->ro_rt);
-			else
-				error = EMSGSIZE;
-#if defined(OpenBSD) && (OpenBSD >= 200211)
-		}
-#endif
+		if (m0->m_pkthdr.len <= nd_ifinfo[ifp->if_index].linkmtu)
+			error = nd6_output(ifp, fin->fin_ifp, m0, dst6,
+					   ro->ro_rt);
+		else
+			error = EMSGSIZE;
 	}
 
 	if (ro->ro_rt != NULL) {
diff --git a/sys/contrib/ipfilter/netinet/ip_fil.h b/sys/contrib/ipfilter/netinet/ip_fil.h
index b97c796..ae5025c 100644
--- a/sys/contrib/ipfilter/netinet/ip_fil.h
+++ b/sys/contrib/ipfilter/netinet/ip_fil.h
@@ -4,7 +4,8 @@
  * See the IPFILTER.LICENCE file for details on licencing.
  *
  * @(#)ip_fil.h	1.35 6/5/96
- * $Id: ip_fil.h,v 2.29.2.34 2002/10/01 15:23:37 darrenr Exp $
+ * $Id: ip_fil.h,v 2.29.2.4 2000/11/12 11:54:53 darrenr Exp $
+ * $FreeBSD$
  */
 
 #ifndef	__IP_FIL_H__
@@ -63,7 +64,6 @@
 # define	SIOCSTGET	_IOWR('r', 81, struct ipstate_save *)
 # define	SIOCSTGSZ	_IOWR('r', 82, struct natget)
 # define	SIOCGFRST	_IOWR('r', 83, struct ipfrstat *)
-# define	SIOCIPFL6	_IOWR('r', 84, int)
 #else
 # define	SIOCADAFR	_IOW(r, 60, struct frentry *)
 # define	SIOCRMAFR	_IOW(r, 61, struct frentry *)
@@ -89,7 +89,6 @@
 # define	SIOCSTGET	_IOWR(r, 81, struct ipstate_save *)
 # define	SIOCSTGSZ	_IOWR(r, 82, struct natget)
 # define	SIOCGFRST	_IOWR(r, 83, struct ipfrstat *)
-# define	SIOCIPFL6	_IOWR(r, 84, int)
 #endif
 #define	SIOCADDFR	SIOCADAFR
 #define	SIOCDELFR	SIOCRMAFR
@@ -414,16 +413,14 @@ typedef	struct frgroup {
  * structure which is then followed by any packet data.
  */
 typedef	struct	iplog	{
-	u_32_t		ipl_magic;
-	u_int		ipl_count;
-	struct	timeval	ipl_tv;
-	size_t		ipl_dsize;
+	u_32_t	ipl_magic;
+	u_int	ipl_count;
+	u_long	ipl_sec;
+	u_long	ipl_usec;
+	size_t	ipl_dsize;
 	struct	iplog	*ipl_next;
 } iplog_t;
 
-#define	ipl_sec		ipl_tv.tv_sec
-#define	ipl_usec	ipl_tv.tv_usec
-
 #define IPL_MAGIC	0x49504c4d /* 'IPLM' */
 #define	IPLOG_SIZE	sizeof(iplog_t)
 
@@ -494,7 +491,8 @@ typedef	struct	ipflog	{
  * with this!
  */
 #if (defined(NetBSD) && (NetBSD > 199609) && (NetBSD <= 1991011)) || \
-    (defined(NetBSD1_2) && NetBSD1_2 > 1)
+    (defined(NetBSD1_2) && NetBSD1_2 > 1) || (defined(__FreeBSD_version) && \
+     (__FreeBSD_version >= 500011))
 # if (NetBSD >= 199905)
 #  define PFIL_HOOKS
 # endif
@@ -572,12 +570,12 @@ extern	int	iplidentify __P((char *));
       (NetBSD >= 199511) || defined(__OpenBSD__)
 #    if defined(__NetBSD__) || (_BSDI_VERSION >= 199701) || \
        defined(__OpenBSD__) || (__FreeBSD_version >= 300000)
-extern	int	iplioctl __P((dev_t, u_long, caddr_t, int, struct proc *));
+extern	int	iplioctl __P((dev_t, u_long, caddr_t, int, struct thread *));
 #    else
-extern	int	iplioctl __P((dev_t, int, caddr_t, int, struct proc *));
+extern	int	iplioctl __P((dev_t, int, caddr_t, int, struct thread *));
 #    endif
-extern	int	iplopen __P((dev_t, int, int, struct proc *));
-extern	int	iplclose __P((dev_t, int, int, struct proc *));
+extern	int	iplopen __P((dev_t, int, int, struct thread *));
+extern	int	iplclose __P((dev_t, int, int, struct thread *));
 #   else
 #    ifndef	linux
 extern	int	iplopen __P((dev_t, int));
@@ -616,7 +614,7 @@ extern	int	ipflog __P((u_int, ip_t *, fr_info_t *, mb_t *));
 extern	int	ipllog __P((int, fr_info_t *, void **, size_t *, int *, int));
 extern	int	ipflog_read __P((minor_t, struct uio *));
 
-extern	int	frflush __P((minor_t, int, int));
+extern	int	frflush __P((minor_t, int));
 extern	void	frsync __P((void));
 extern	frgroup_t *fr_addgroup __P((u_32_t, frentry_t *, minor_t, int));
 extern	void	fr_delgroup __P((u_32_t, u_32_t, minor_t, int));
diff --git a/sys/contrib/ipfilter/netinet/ip_frag.c b/sys/contrib/ipfilter/netinet/ip_frag.c
index 0f3b818..e789860 100644
--- a/sys/contrib/ipfilter/netinet/ip_frag.c
+++ b/sys/contrib/ipfilter/netinet/ip_frag.c
@@ -7,7 +7,7 @@
 # define      _KERNEL
 #endif
 
-#if defined(__sgi) && (IRIX > 602)
+#ifdef __sgi
 # include <sys/ptimers.h>
 #endif
 #include <sys/errno.h>
@@ -90,7 +90,7 @@ extern struct timeout ipfr_slowtimer_ch;
 
 #if !defined(lint)
 static const char sccsid[] = "@(#)ip_frag.c	1.11 3/24/96 (C) 1993-2000 Darren Reed";
-static const char rcsid[] = "@(#)$Id: ip_frag.c,v 2.10.2.25 2002/12/06 11:40:21 darrenr Exp $";
+static const char rcsid[] = "@(#)$FreeBSD$";
 #endif
 
 
@@ -276,8 +276,8 @@ fr_info_t *fin;
 ipfr_t *table[];
 {
 	ipfr_t	*f, frag;
-	u_int idx;
- 
+	u_int	idx;
+
 	/*
 	 * For fragments, we record protocol, packet id, TOS and both IP#'s
 	 * (these should all be the same for all fragments of a packet).
diff --git a/sys/contrib/ipfilter/netinet/ip_frag.h b/sys/contrib/ipfilter/netinet/ip_frag.h
index 4bd6b52..fc737c7 100644
--- a/sys/contrib/ipfilter/netinet/ip_frag.h
+++ b/sys/contrib/ipfilter/netinet/ip_frag.h
@@ -4,7 +4,8 @@
  * See the IPFILTER.LICENCE file for details on licencing.
  *
  * @(#)ip_frag.h	1.5 3/24/96
- * $Id: ip_frag.h,v 2.4.2.7 2002/07/06 14:17:51 darrenr Exp $
+ * $Id: ip_frag.h,v 2.4.2.2 2000/11/10 13:10:54 darrenr Exp $
+ * $FreeBSD$
  */
 
 #ifndef	__IP_FRAG_H__
diff --git a/sys/contrib/ipfilter/netinet/ip_ftp_pxy.c b/sys/contrib/ipfilter/netinet/ip_ftp_pxy.c
index 0108410..b6644b9 100644
--- a/sys/contrib/ipfilter/netinet/ip_ftp_pxy.c
+++ b/sys/contrib/ipfilter/netinet/ip_ftp_pxy.c
@@ -2,7 +2,7 @@
  * Simple FTP transparent proxy for in-kernel use.  For use with the NAT
  * code.
  *
- * $Id: ip_ftp_pxy.c,v 2.7.2.42 2002/11/25 21:42:35 darrenr Exp $
+ * $FreeBSD$
  */
 #if SOLARIS && defined(_KERNEL)
 extern	kmutex_t	ipf_rw;
@@ -39,30 +39,24 @@ extern	kmutex_t	ipf_rw;
 #define	FTPXY_PASS_2	14
 #define	FTPXY_PAOK_2	15
 
-/*
- * Values for FTP commands.  Numerics cover 0-999
- */
-#define	FTPXY_C_PASV	1000
-
 int ippr_ftp_client __P((fr_info_t *, ip_t *, nat_t *, ftpinfo_t *, int));
 int ippr_ftp_complete __P((char *, size_t));
 int ippr_ftp_in __P((fr_info_t *, ip_t *, ap_session_t *, nat_t *));
 int ippr_ftp_init __P((void));
 int ippr_ftp_new __P((fr_info_t *, ip_t *, ap_session_t *, nat_t *));
 int ippr_ftp_out __P((fr_info_t *, ip_t *, ap_session_t *, nat_t *));
-int ippr_ftp_pasv __P((fr_info_t *, ip_t *, nat_t *, ftpinfo_t *, int));
+int ippr_ftp_pasv __P((fr_info_t *, ip_t *, nat_t *, ftpside_t *, int));
 int ippr_ftp_port __P((fr_info_t *, ip_t *, nat_t *, ftpside_t *, int));
 int ippr_ftp_process __P((fr_info_t *, ip_t *, nat_t *, ftpinfo_t *, int));
 int ippr_ftp_server __P((fr_info_t *, ip_t *, nat_t *, ftpinfo_t *, int));
-int ippr_ftp_valid __P((ftpinfo_t *, int, char *, size_t));
-int ippr_ftp_server_valid __P((ftpside_t *, char *, size_t));
-int ippr_ftp_client_valid __P((ftpside_t *, char *, size_t));
+int ippr_ftp_valid __P((int, char *, size_t));
+int ippr_ftp_server_valid __P((char *, size_t));
+int ippr_ftp_client_valid __P((char *, size_t));
 u_short ippr_ftp_atoi __P((char **));
 
 static	frentry_t	ftppxyfr;
 int	ippr_ftp_pasvonly = 0;
 int	ippr_ftp_insecure = 0;
-int	ippr_ftp_forcepasv = 0;
 
 
 /*
@@ -129,13 +123,8 @@ int dlen;
 	/*
 	 * Check for client sending out PORT message.
 	 */
-	if (dlen < IPF_MINPORTLEN) {
-#if !defined(_KERNEL) && !defined(KERNEL)
-		fprintf(stdout,
-			"ippr_ftp_port:dlen(%d) < IPF_MINPORTLEN\n", dlen);
-#endif
+	if (dlen < IPF_MINPORTLEN)
 		return 0;
-	}
 	off = fin->fin_hlen + (tcp->th_off << 2);
 	/*
 	 * Skip the PORT command + space
@@ -145,39 +134,23 @@ int dlen;
 	 * Pick out the address components, two at a time.
 	 */
 	a1 = ippr_ftp_atoi(&s);
-	if (s == NULL) {
-#if !defined(_KERNEL) && !defined(KERNEL)
-		fprintf(stdout, "ippr_ftp_port:ippr_ftp_atoi(1) failed\n");
-#endif
+	if (!s)
 		return 0;
-	}
 	a2 = ippr_ftp_atoi(&s);
-	if (s == NULL) {
-#if !defined(_KERNEL) && !defined(KERNEL)
-		fprintf(stdout, "ippr_ftp_port:ippr_ftp_atoi(2) failed\n");
-#endif
+	if (!s)
 		return 0;
-	}
 	/*
 	 * check that IP address in the PORT/PASV reply is the same as the
 	 * sender of the command - prevents using PORT for port scanning.
 	 */
 	a1 <<= 16;
 	a1 |= a2;
-	if (a1 != ntohl(nat->nat_inip.s_addr)) {
-#if !defined(_KERNEL) && !defined(KERNEL)
-		fprintf(stdout, "ippr_ftp_port:a1 != nat->nat_inip\n");
-#endif
+	if (a1 != ntohl(nat->nat_inip.s_addr))
 		return 0;
-	}
 
 	a5 = ippr_ftp_atoi(&s);
-	if (s == NULL) {
-#if !defined(_KERNEL) && !defined(KERNEL)
-		fprintf(stdout, "ippr_ftp_port:ippr_ftp_atoi(3) failed\n");
-#endif
+	if (!s)
 		return 0;
-	}
 	if (*s == ')')
 		s++;
 
@@ -189,12 +162,8 @@ int dlen;
 	if ((*s == '\r') && (*(s + 1) == '\n')) {
 		s += 2;
 		a6 = a5 & 0xff;
-	} else {
-#if !defined(_KERNEL) && !defined(KERNEL)
-		fprintf(stdout, "ippr_ftp_port:missing cr-lf\n");
-#endif
+	} else
 		return 0;
-	}
 	a5 >>= 8;
 	a5 &= 0xff;
 	/*
@@ -212,13 +181,8 @@ int dlen;
 
 	nlen = strlen(newbuf);
 	inc = nlen - olen;
-	if ((inc + ip->ip_len) > 65535) {
-#if !defined(_KERNEL) && !defined(KERNEL)
-		fprintf(stdout,
-			"ippr_ftp_port:inc(%d) + ip->ip_len > 65535\n", inc);
-#endif
+	if ((inc + ip->ip_len) > 65535)
 		return 0;
-	}
 
 #if !defined(_KERNEL)
 	m = *((mb_t **)fin->fin_mp);
@@ -289,13 +253,8 @@ int dlen;
 	 * Don't allow the PORT command to specify a port < 1024 due to
 	 * security crap.
 	 */
-	if (sp < 1024) {
-#if !defined(_KERNEL) && !defined(KERNEL)
-		fprintf(stdout, "ippr_ftp_port:sp(%d) < 1024\n", sp);
-#endif
+	if (sp < 1024)
 		return 0;
-	}
-
 	/*
 	 * The server may not make the connection back from port 20, but
 	 * it is the most likely so use it here to check for a conflicting
@@ -410,11 +369,11 @@ int dlen;
 }
 
 
-int ippr_ftp_pasv(fin, ip, nat, ftp, dlen)
+int ippr_ftp_pasv(fin, ip, nat, f, dlen)
 fr_info_t *fin;
 ip_t *ip;
 nat_t *nat;
-ftpinfo_t *ftp;
+ftpside_t *f;
 int dlen;
 {
 	tcphdr_t *tcp, tcph, *tcp2 = &tcph;
@@ -422,45 +381,23 @@ int dlen;
 	u_int a1, a2, a3, a4;
 	u_short a5, a6, dp;
 	fr_info_t fi;
-	ftpside_t *f;
 	nat_t *ipn;
 	int inc;
 	char *s;
 
-	if (ippr_ftp_forcepasv != 0 &&
-	    ftp->ftp_side[0].ftps_cmds != FTPXY_C_PASV) {
-#if !defined(_KERNEL) && !defined(KERNEL)
-		fprintf(stdout,
-			"ippr_ftp_pasv:ftps_cmds(%d) != FTPXY_C_PASV\n",
-			ftp->ftp_side[0].ftps_cmds);
-#endif
-		return 0;
-	}
-
-	f = &ftp->ftp_side[1];
-
 #define	PASV_REPLEN	24
 	/*
 	 * Check for PASV reply message.
 	 */
-	if (dlen < IPF_MIN227LEN) {
-#if !defined(_KERNEL) && !defined(KERNEL)
-		fprintf(stdout,
-			"ippr_ftp_pasv:dlen(%d) < IPF_MIN227LEN\n", dlen);
-#endif
+	if (dlen < IPF_MIN227LEN)
 		return 0;
-	} else if (strncmp(f->ftps_rptr,
-			   "227 Entering Passive Mod", PASV_REPLEN)) {
-#if !defined(_KERNEL) && !defined(KERNEL)
-		fprintf(stdout, "ippr_ftp_pasv:227 reply wrong\n");
-#endif
+	else if (strncmp(f->ftps_rptr, "227 Entering Passive Mod", PASV_REPLEN))
 		return 0;
-	}
 
 	tcp = (tcphdr_t *)fin->fin_dp;
 
 	/*
-	 * Skip the PASV reply + space
+	 * Skip the PORT command + space
 	 */
 	s = f->ftps_rptr + PASV_REPLEN;
 	while (*s && !isdigit(*s))
@@ -469,19 +406,11 @@ int dlen;
 	 * Pick out the address components, two at a time.
 	 */
 	a1 = ippr_ftp_atoi(&s);
-	if (s == NULL) {
-#if !defined(_KERNEL) && !defined(KERNEL)
-		fprintf(stdout, "ippr_ftp_pasv:ippr_ftp_atoi(1) failed\n");
-#endif
+	if (!s)
 		return 0;
-	}
 	a2 = ippr_ftp_atoi(&s);
-	if (s == NULL) {
-#if !defined(_KERNEL) && !defined(KERNEL)
-		fprintf(stdout, "ippr_ftp_pasv:ippr_ftp_atoi(2) failed\n");
-#endif
+	if (!s)
 		return 0;
-	}
 
 	/*
 	 * check that IP address in the PORT/PASV reply is the same as the
@@ -489,20 +418,12 @@ int dlen;
 	 */
 	a1 <<= 16;
 	a1 |= a2;
-	if (a1 != ntohl(nat->nat_oip.s_addr)) {
-#if !defined(_KERNEL) && !defined(KERNEL)
-		fprintf(stdout, "ippr_ftp_pasv:a1 != nat->nat_oip\n");
-#endif
+	if (a1 != ntohl(nat->nat_oip.s_addr))
 		return 0;
-	}
 
 	a5 = ippr_ftp_atoi(&s);
-	if (s == NULL) {
-#if !defined(_KERNEL) && !defined(KERNEL)
-		fprintf(stdout, "ippr_ftp_pasv:ippr_ftp_atoi(3) failed\n");
-#endif
+	if (!s)
 		return 0;
-	}
 
 	if (*s == ')')
 		s++;
@@ -516,12 +437,8 @@ int dlen;
 	if ((*s == '\r') && (*(s + 1) == '\n')) {
 		s += 2;
 		a6 = a5 & 0xff;
-	} else {
-#if !defined(_KERNEL) && !defined(KERNEL)
-		fprintf(stdout, "ippr_ftp_pasv:missing cr-lf\n");
-#endif
+	} else
 		return 0;
-	}
 	a5 >>= 8;
 	/*
 	 * Calculate new address parts for 227 reply
@@ -663,9 +580,9 @@ int dlen;
 		return 0;
 	if (ftp->ftp_passok == FTPXY_GO) {
 		if (!strncmp(rptr, "227 ", 4))
-			inc = ippr_ftp_pasv(fin, ip, nat, ftp, dlen);
+			inc = ippr_ftp_pasv(fin, ip, nat, f, dlen);
 	} else if (ippr_ftp_insecure && !strncmp(rptr, "227 ", 4)) {
-		inc = ippr_ftp_pasv(fin, ip, nat, ftp, dlen);
+		inc = ippr_ftp_pasv(fin, ip, nat, f, dlen);
 	} else if (*rptr == '5' || *rptr == '4')
 		ftp->ftp_passok = FTPXY_INIT;
 	else if (ftp->ftp_incok) {
@@ -691,7 +608,6 @@ int dlen;
 		}
 	}
 	ftp->ftp_incok = 0;
-
 	while ((*rptr++ != '\n') && (rptr < wptr))
 		;
 	f->ftps_rptr = rptr;
@@ -703,150 +619,100 @@ int dlen;
  * Look to see if the buffer starts with something which we recognise as
  * being the correct syntax for the FTP protocol.
  */
-int ippr_ftp_client_valid(ftps, buf, len)
-ftpside_t *ftps;
+int ippr_ftp_client_valid(buf, len)
 char *buf;
 size_t len;
 {
 	register char *s, c;
 	register size_t i = len;
-	char cmd[5];
 
-	if (i < 5) {
-#if !defined(_KERNEL) && !defined(KERNEL)
-		fprintf(stdout, "ippr_ftp_client_valid:i(%d) < 5\n", i);
-#endif
+	if (i < 5)
 		return 2;
-	}
 	s = buf;
 	c = *s++;
 	i--;
 
 	if (isalpha(c)) {
-		cmd[0] = toupper(c);
 		c = *s++;
 		i--;
 		if (isalpha(c)) {
-			cmd[1] = toupper(c);
 			c = *s++;
 			i--;
 			if (isalpha(c)) {
-				cmd[2] = toupper(c);
 				c = *s++;
 				i--;
 				if (isalpha(c)) {
-					cmd[3] = toupper(c);
 					c = *s++;
 					i--;
 					if ((c != ' ') && (c != '\r'))
-						goto bad_client_command;
+						return 1;
 				} else if ((c != ' ') && (c != '\r'))
-					goto bad_client_command;
+					return 1;
 			} else
-				goto bad_client_command;
+				return 1;
 		} else
-			goto bad_client_command;
-	} else {
-bad_client_command:
-#if !defined(_KERNEL) && !defined(KERNEL)
-		fprintf(stdout,
-			"ippr_ftp_client_valid:bad cmd:len %d i %d c 0x%x\n",
-			i, len, c);
-#endif
+			return 1;
+	} else
 		return 1;
-	}
-
 	for (; i; i--) {
 		c = *s++;
-		if (c == '\n') {
-			cmd[4] = '\0';
-			if (!strcmp(cmd, "PASV"))
-				ftps->ftps_cmds = FTPXY_C_PASV;
-			else
-				ftps->ftps_cmds = 0;
+		if (c == '\n')
 			return 0;
-		}
 	}
-#if !defined(_KERNEL) && !defined(KERNEL)
-	fprintf(stdout, "ippr_ftp_client_valid:junk after cmd[%s]\n", buf);
-#endif
 	return 2;
 }
 
 
-int ippr_ftp_server_valid(ftps, buf, len)
-ftpside_t *ftps;
+int ippr_ftp_server_valid(buf, len)
 char *buf;
 size_t len;
 {
 	register char *s, c;
 	register size_t i = len;
-	int cmd;
 
 	if (i < 5)
 		return 2;
 	s = buf;
 	c = *s++;
-	cmd = 0;
 	i--;
 
 	if (isdigit(c)) {
-		cmd = (c - '0') * 100;
 		c = *s++;
 		i--;
 		if (isdigit(c)) {
-			cmd += (c - '0') * 10;
 			c = *s++;
 			i--;
 			if (isdigit(c)) {
-				cmd += (c - '0');
 				c = *s++;
 				i--;
 				if ((c != '-') && (c != ' '))
-					goto bad_server_command;
+					return 1;
 			} else
-				goto bad_server_command;
+				return 1;
 		} else
-			goto bad_server_command;
-	} else {
-bad_server_command:
-#if !defined(_KERNEL) && !defined(KERNEL)
-		fprintf(stdout,
-			"ippr_ftp_server_valid:bad cmd:len %d i %d c 0x%x\n",
-			i, len, c);
-#endif
+			return 1;
+	} else
 		return 1;
-	}
-
 	for (; i; i--) {
 		c = *s++;
-		if (c == '\n') {
-			ftps->ftps_cmds = cmd;
+		if (c == '\n')
 			return 0;
-		}
 	}
-#if !defined(_KERNEL) && !defined(KERNEL)
-	fprintf(stdout, "ippr_ftp_server_valid:junk after cmd[%s]\n", buf);
-#endif
 	return 2;
 }
 
 
-int ippr_ftp_valid(ftp, side, buf, len)
-ftpinfo_t *ftp;
+int ippr_ftp_valid(side, buf, len)
 int side;
 char *buf;
 size_t len;
 {
-	ftpside_t *ftps;
 	int ret;
 
-	ftps = &ftp->ftp_side[side];
-
 	if (side == 0)
-		ret = ippr_ftp_client_valid(ftps, buf, len);
+		ret = ippr_ftp_client_valid(buf, len);
 	else
-		ret = ippr_ftp_server_valid(ftps, buf, len);
+		ret = ippr_ftp_server_valid(buf, len);
 	return ret;
 }
 
@@ -948,10 +814,9 @@ int rv;
 #endif
 
 	ok = 0;
-	if (t->ftps_seq[0] == 0) {
-		t->ftps_seq[0] = thack;
-		ok = 1;
-	} else {
+	if (t->ftps_seq[0] == 0)
+		t->ftps_seq[0] = thack, ok = 1;
+	else {
 		if (ackoff == 0) {
 			if (t->ftps_seq[0] == thack)
 				ok = 1;
@@ -980,24 +845,20 @@ int rv;
 #endif
 
 	if (!mlen) {
-		if (t->ftps_seq[0] + ackoff != thack) {
-#if !defined(_KERNEL) && !defined(KERNEL)
-			fprintf(stdout,
-		"ippr_ftp_process:seq[0](%x) + ackoff(%x) != thack(%x)\n",
-				t->ftps_seq[0], ackoff, thack);
-#endif
+		if (t->ftps_seq[0] + ackoff != thack)
 			return APR_ERR(1);
-		}
 
 #if PROXY_DEBUG
 	printf("f:seq[0] %x seq[1] %x\n", f->ftps_seq[0], f->ftps_seq[1]);
 #endif
 		if (tcp->th_flags & TH_FIN) {
-			if (thseq == f->ftps_seq[1]) {
-				f->ftps_seq[0] = f->ftps_seq[1] - seqoff;
-				f->ftps_seq[1] = thseq + 1 - seqoff;
-			} else {
-#if PROXY_DEBUG || (!defined(_KERNEL) && !defined(KERNEL))
+			if (thseq + seqoff == f->ftps_seq[0] + 1 ||
+			    f->ftps_seq[0] + seqoff + 1 == thseq ||
+			    thseq + seqoff == f->ftps_seq[0] ||
+			    thseq == f->ftps_seq[0] + seqoff)
+				;
+			else {
+#if PROXY_DEBUG
 				printf("FIN: thseq %x seqoff %d ftps_seq %x\n",
 					thseq, seqoff, f->ftps_seq[0]);
 #endif
@@ -1009,19 +870,17 @@ int rv;
 	}
 
 	ok = 0;
-	if ((thseq == f->ftps_seq[0]) || (thseq == f->ftps_seq[1])) {
+	if (thseq == f->ftps_seq[0] || thseq == f->ftps_seq[1])
 		ok = 1;
 	/*
 	 * Retransmitted data packet.
 	 */
-	} else if ((thseq + mlen == f->ftps_seq[0]) ||
-		   (thseq + mlen == f->ftps_seq[1])) {
+	else if (thseq + mlen == f->ftps_seq[0] ||
+		 thseq + mlen == f->ftps_seq[1])
 		ok = 1;
-	}
-
 	if (ok == 0) {
 		inc = thseq - f->ftps_seq[0];
-#if PROXY_DEBUG || (!defined(_KERNEL) && !defined(KERNEL))
+#if PROXY_DEBUG
 		printf("inc %d sel %d rv %d\n", inc, sel, rv);
 		printf("th_seq %x ftps_seq %x/%x\n", thseq, f->ftps_seq[0],
 			f->ftps_seq[1]);
@@ -1058,12 +917,10 @@ int rv;
 		wptr += len;
 		f->ftps_wptr = wptr;
 		if (f->ftps_junk == 2)
-			f->ftps_junk = ippr_ftp_valid(ftp, rv, rptr,
-						      wptr - rptr);
+			f->ftps_junk = ippr_ftp_valid(rv, rptr, wptr - rptr);
 
 		while ((f->ftps_junk == 0) && (wptr > rptr)) {
-			f->ftps_junk = ippr_ftp_valid(ftp, rv, rptr,
-						      wptr - rptr);
+			f->ftps_junk = ippr_ftp_valid(rv, rptr, wptr - rptr);
 			if (f->ftps_junk == 0) {
 				f->ftps_cmds++;
 				len = wptr - rptr;
@@ -1085,10 +942,6 @@ int rv;
 		 */
 		if ((f->ftps_cmds == 0) && (f->ftps_junk == 1)) {
 			/* f->ftps_seq[1] += inc; */
-#if !defined(_KERNEL) && !defined(KERNEL)
-			fprintf(stdout,
-				"ippr_ftp_process:cmds == 0 junk == 1\n");
-#endif
 			return APR_ERR(2);
 		}
 
@@ -1132,17 +985,18 @@ int rv;
 	/* f->ftps_seq[1] += inc; */
 	if (tcp->th_flags & TH_FIN)
 		f->ftps_seq[1]++;
-#if PROXY_DEBUG
-# ifndef	_KERNEL
+#ifndef	_KERNEL
 	mlen = mbuflen(m);
-# else
-#  if	SOLARIS
+#else
+# if	SOLARIS
 	mlen = msgdsize(m);
-#  else
+# else
 	mlen = mbufchainlen(m);
-#  endif
 # endif
+#endif
+	off = fin->fin_hlen + (tcp->th_off << 2);
 	mlen -= off;
+#if PROXY_DEBUG
 	printf("ftps_seq[1] = %x inc %d len %d\n", f->ftps_seq[1], inc, mlen);
 #endif
 
diff --git a/sys/contrib/ipfilter/netinet/ip_h323_pxy.c b/sys/contrib/ipfilter/netinet/ip_h323_pxy.c
deleted file mode 100644
index 8d8ef92..0000000
--- a/sys/contrib/ipfilter/netinet/ip_h323_pxy.c
+++ /dev/null
@@ -1,295 +0,0 @@
-/*
- * Copyright 2001, QNX Software Systems Ltd. All Rights Reserved
- * 
- * This source code has been published by QNX Software Systems Ltd. (QSSL).
- * However, any use, reproduction, modification, distribution or transfer of
- * this software, or any software which includes or is based upon any of this
- * code, is only permitted under the terms of the QNX Open Community License
- * version 1.0 (see licensing.qnx.com for details) or as otherwise expressly
- * authorized by a written license agreement from QSSL. For more information,
- * please email licensing@qnx.com.
- *
- * For more details, see QNX_OCL.txt provided with this distribution.
- */
-
-/*
- * Simple H.323 proxy
- * 
- *      by xtang@canada.com
- *	ported to ipfilter 3.4.20 by Michael Grant mg-ipf@grant.org
- */
-
-#if __FreeBSD_version >= 220000 && defined(_KERNEL)
-# include <sys/fcntl.h>
-# include <sys/filio.h>
-#else
-# include <sys/ioctl.h>
-#endif
-
-#define IPF_H323_PROXY
-
-int  ippr_h323_init __P((void));
-int  ippr_h323_new __P((fr_info_t *, ip_t *, ap_session_t *, nat_t *));
-void ippr_h323_del __P((ap_session_t *));
-int  ippr_h323_out __P((fr_info_t *, ip_t *, ap_session_t *, nat_t *));
-int  ippr_h323_in __P((fr_info_t *, ip_t *, ap_session_t *, nat_t *));
-
-int  ippr_h245_init __P((void));
-int  ippr_h245_new __P((fr_info_t *, ip_t *, ap_session_t *, nat_t *));
-int  ippr_h245_out __P((fr_info_t *, ip_t *, ap_session_t *, nat_t *));
-int  ippr_h245_in __P((fr_info_t *, ip_t *, ap_session_t *, nat_t *));
-
-static	frentry_t	h323_fr;
-#if	(SOLARIS || defined(__sgi)) && defined(_KERNEL)
-extern  KRWLOCK_T   ipf_nat;
-#endif
-
-static int find_port __P((int, u_char *, int datlen, int *, u_short *));
-
-
-static int find_port(ipaddr, data, datlen, off, port)
-int ipaddr;
-unsigned char *data;
-int datlen, *off;
-unsigned short *port;
-{
-	u_32_t addr, netaddr;
-	u_char *dp;
-	int offset;
-
-	if (datlen < 6)
-		return -1;
-	
-	*port = 0;
-	offset = *off;
-	dp = (u_char *)data;
-	netaddr = ntohl(ipaddr);
-
-	for (offset = 0; offset <= datlen - 6; offset++, dp++) {
-		addr = (dp[0] << 24) | (dp[1] << 16) | (dp[2] << 8) | dp[3];
-		if (netaddr == addr)
-		{
-			*port = (*(dp + 4) << 8) | *(dp + 5);
-			break;
-		}
-	}
-	*off = offset;
-  	return (offset > datlen - 6) ? -1 : 0;
-}
-
-/*
- * Initialize local structures.
- */
-int ippr_h323_init()
-{
-	bzero((char *)&h323_fr, sizeof(h323_fr));
-	h323_fr.fr_ref = 1;
-	h323_fr.fr_flags = FR_INQUE|FR_PASS|FR_QUICK|FR_KEEPSTATE;
-
-	return 0;
-}
-
-
-int ippr_h323_new(fin, ip, aps, nat)
-fr_info_t *fin;
-ip_t *ip;
-ap_session_t *aps;
-nat_t *nat;
-{
-	aps->aps_data = NULL;
-	aps->aps_psiz = 0;
-
-	return 0;
-}
-
-
-void ippr_h323_del(aps)
-ap_session_t *aps;
-{
-	int i;
-	ipnat_t *ipn;
-	
-	if (aps->aps_data) {
-		for (i = 0, ipn = aps->aps_data;
-		     i < (aps->aps_psiz / sizeof(ipnat_t)); 
-		     i++, ipn = (ipnat_t *)((char *)ipn + sizeof(*ipn)))
-		{
-			/* 
-			 * Check the comment in ippr_h323_in() function,
-			 * just above nat_ioctl() call.
-			 * We are lucky here because this function is not
-			 * called with ipf_nat locked.
-			 */
-			if (nat_ioctl((caddr_t)ipn, SIOCRMNAT, NAT_SYSSPACE|
-				      NAT_LOCKHELD|FWRITE) == -1) {
-				/* log the error */
-			}
-		}
-		KFREES(aps->aps_data, aps->aps_psiz);
-		/* avoid double free */
-		aps->aps_data = NULL;
-		aps->aps_psiz = 0;
-	}
-	return;
-}
-
-
-int ippr_h323_out(fin, ip, aps, nat)
-fr_info_t *fin;
-ip_t *ip;
-ap_session_t *aps;
-nat_t *nat;
-{
-	return 0;
-}
-
-
-int ippr_h323_in(fin, ip, aps, nat)
-fr_info_t *fin;
-ip_t *ip;
-ap_session_t *aps;
-nat_t *nat;
-{
-	int ipaddr, off, datlen;
-	unsigned short port;
-	unsigned char *data;
-	tcphdr_t *tcp;
-	
-	tcp = (tcphdr_t *)fin->fin_dp;
-	ipaddr = ip->ip_src.s_addr;
-	
-	data = (unsigned char *)tcp + (tcp->th_off << 2);
-	datlen = fin->fin_dlen - (tcp->th_off << 2);
-	if (find_port(ipaddr, data, datlen, &off, &port) == 0) {
-		ipnat_t *ipn;
-		char *newarray;
-
-		/* setup a nat rule to set a h245 proxy on tcp-port "port"
-		 * it's like:
-		 *   map <if> <inter_ip>/<mask> -> <gate_ip>/<mask> proxy port <port> <port>/tcp
-		 */
-		KMALLOCS(newarray, char *, aps->aps_psiz + sizeof(*ipn));
-		if (newarray == NULL) {
-			return -1;
-		}
-		ipn = (ipnat_t *)&newarray[aps->aps_psiz];
-		bcopy(nat->nat_ptr, ipn, sizeof(ipnat_t));
-		strncpy(ipn->in_plabel, "h245", APR_LABELLEN);
-		
-		ipn->in_inip = nat->nat_inip.s_addr;
-		ipn->in_inmsk = 0xffffffff;
-		ipn->in_dport = htons(port);
-		/* 
-		 * we got a problem here. we need to call nat_ioctl() to add
-		 * the h245 proxy rule, but since we already hold (READ locked)
-		 * the nat table rwlock (ipf_nat), if we go into nat_ioctl(),
-		 * it will try to WRITE lock it. This will causing dead lock
-		 * on RTP.
-		 * 
-		 * The quick & dirty solution here is release the read lock,
-		 * call nat_ioctl() and re-lock it.
-		 * A (maybe better) solution is do a UPGRADE(), and instead
-		 * of calling nat_ioctl(), we add the nat rule ourself.
-		 */
-		RWLOCK_EXIT(&ipf_nat);
-		if (nat_ioctl((caddr_t)ipn, SIOCADNAT,
-			      NAT_SYSSPACE|FWRITE) == -1) {
-			READ_ENTER(&ipf_nat);
-			return -1;
-		}
-		READ_ENTER(&ipf_nat);
-		if (aps->aps_data != NULL && aps->aps_psiz > 0) {
-			bcopy(aps->aps_data, newarray, aps->aps_psiz);
-			KFREES(aps->aps_data, aps->aps_psiz);
-		}
-		aps->aps_data = newarray;
-		aps->aps_psiz += sizeof(*ipn);
-	}
-	return 0;
-}
-
-
-int ippr_h245_init()
-{
-	return 0;
-}
-
-
-int ippr_h245_new(fin, ip, aps, nat)
-fr_info_t *fin;
-ip_t *ip;
-ap_session_t *aps;
-nat_t *nat;
-{
-	aps->aps_data = NULL;
-	aps->aps_psiz = 0;
-	return 0;
-}
-
-
-int ippr_h245_out(fin, ip, aps, nat)
-fr_info_t *fin;
-ip_t *ip;
-ap_session_t *aps;
-nat_t *nat;
-{
-	int ipaddr, off, datlen;
-	u_short port;
-	unsigned char *data;
-	tcphdr_t *tcp;
-	
-	tcp = (tcphdr_t *)fin->fin_dp;
-	ipaddr = nat->nat_inip.s_addr;
-	data = (unsigned char *)tcp + (tcp->th_off << 2);
-	datlen = ip->ip_len - fin->fin_hlen - (tcp->th_off << 2);
-	if (find_port(ipaddr, data, datlen, &off, &port) == 0) {
-		fr_info_t fi;
-		nat_t     *ipn;
-
-/*		port = htons(port); */
-		ipn = nat_outlookup(fin->fin_ifp, IPN_UDP, IPPROTO_UDP,
-				    ip->ip_src, ip->ip_dst, 1);
-		if (ipn == NULL) {
-			struct ip newip;
-			struct udphdr udp;
-			
-			bcopy(ip, &newip, sizeof(newip));
-			newip.ip_len = fin->fin_hlen + sizeof(udp);
-			newip.ip_p = IPPROTO_UDP;
-			newip.ip_src = nat->nat_inip;
-			
-			bzero(&udp, sizeof(udp));
-			udp.uh_sport = port;
-			
-			bcopy(fin, &fi, sizeof(fi));
-			fi.fin_fi.fi_p = IPPROTO_UDP;
-			fi.fin_data[0] = port;
-			fi.fin_data[1] = 0;
-			fi.fin_dp = (char *)&udp;
-			
-			ipn = nat_new(&fi, &newip, nat->nat_ptr, NULL,
-				      IPN_UDP|FI_W_DPORT, NAT_OUTBOUND);
-			if (ipn != NULL) {
-				ipn->nat_ptr->in_hits++;
-#ifdef	IPFILTER_LOG
-				nat_log(ipn, (u_int)(nat->nat_ptr->in_redir));
-#endif
-				bcopy((u_char*)&ip->ip_src.s_addr,
-				      data + off, 4);
-				bcopy((u_char*)&ipn->nat_outport,
-				      data + off + 4, 2);
-			}
-		}
-	}
-	return 0;
-}
-
-
-int ippr_h245_in(fin, ip, aps, nat)
-fr_info_t *fin;
-ip_t *ip;
-ap_session_t *aps;
-nat_t *nat;
-{
-	return 0;
-}
diff --git a/sys/contrib/ipfilter/netinet/ip_log.c b/sys/contrib/ipfilter/netinet/ip_log.c
index e57bd69..4e8488b 100644
--- a/sys/contrib/ipfilter/netinet/ip_log.c
+++ b/sys/contrib/ipfilter/netinet/ip_log.c
@@ -3,7 +3,8 @@
  *
  * See the IPFILTER.LICENCE file for details on licencing.
  *
- * $Id: ip_log.c,v 2.5.2.21 2002/10/26 06:21:30 darrenr Exp $
+ * $Id: ip_log.c,v 2.5.2.1 2000/07/19 13:11:47 darrenr Exp $
+ * $FreeBSD$
  */
 #include <sys/param.h>
 #if defined(KERNEL) && !defined(_KERNEL)
@@ -14,9 +15,14 @@
 # include "opt_ipfilter_log.h"
 #endif
 #ifdef  __FreeBSD__
-# if defined(_KERNEL) && !defined(IPFILTER_LKM)
-#  if defined(__FreeBSD_version) && (__FreeBSD_version >= 300000)
-#   include "opt_ipfilter.h"
+# if defined(IPFILTER_LKM) || defined(_KERNEL)
+#  if !defined(__FreeBSD_version) 
+#   include <sys/osreldate.h>
+#  endif
+#  if !defined(IPFILTER_LKM)
+#   if defined(__FreeBSD_version) && (__FreeBSD_version >= 300000)
+#    include "opt_ipfilter.h"
+#   endif
 #  endif
 # else
 #  ifdef KLD_MODULE
@@ -30,7 +36,7 @@
 #  endif
 # endif
 #endif
-#ifdef	IPFILTER_LOG
+#ifdef  IPFILTER_LOG
 # ifndef SOLARIS
 #  define SOLARIS (defined(sun) && (defined(__svr4__) || defined(__SVR4)))
 # endif
@@ -99,9 +105,6 @@
 # include <netinet/tcp.h>
 # include <netinet/udp.h>
 # include <netinet/ip_icmp.h>
-# ifdef USE_INET6
-#  include <netinet/icmp6.h>
-# endif
 # include <netinet/ip_var.h>
 # ifndef _KERNEL
 #  include <syslog.h>
@@ -214,26 +217,6 @@ mb_t *m;
 				break;
 			}
 		}
-#ifdef USE_INET6
-		else if (p == IPPROTO_ICMPV6) {
-			struct icmp6_hdr *icmp;
-
-			icmp = (struct icmp6_hdr *)fin->fin_dp;
-	 
-			/*
-			 * For ICMPV6, if the packet is an error packet, also
-			 * include the information about the packet which
-			 * caused the error.
-			 */
-			if (icmp->icmp6_type < 128) {
-				hlen += MIN(sizeof(struct icmp6_hdr) + 8,
-					    fin->fin_dlen);
-			} else {
-				hlen += MIN(sizeof(struct icmp6_hdr),
-					    fin->fin_dlen);
-			}
-		}
-#endif
 	}
 	/*
 	 * Get the interface number and name to which this packet is
@@ -357,10 +340,10 @@ int *types, cnt;
 	ipl->ipl_dsize = len;
 # ifdef _KERNEL
 #  if SOLARIS || defined(sun)
-	uniqtime(&ipl->ipl_tv);
+	uniqtime((struct timeval *)&ipl->ipl_sec);
 #  else
 #   if BSD >= 199306 || defined(__FreeBSD__) || defined(__sgi)
-	microtime(&ipl->ipl_tv);
+	microtime((struct timeval *)&ipl->ipl_sec);
 #   endif
 #  endif
 # else
diff --git a/sys/contrib/ipfilter/netinet/ip_nat.c b/sys/contrib/ipfilter/netinet/ip_nat.c
index d8c8622..ef109b1 100644
--- a/sys/contrib/ipfilter/netinet/ip_nat.c
+++ b/sys/contrib/ipfilter/netinet/ip_nat.c
@@ -5,11 +5,12 @@
  *
  * Added redirect stuff and a LOT of bug fixes. (mcn@EnGarde.com)
  */
+
 #if defined(__FreeBSD__) && defined(KERNEL) && !defined(_KERNEL)
 #define _KERNEL
 #endif
 
-#if defined(__sgi) && (IRIX > 602)
+#ifdef __sgi
 # include <sys/ptimers.h>
 #endif
 #include <sys/errno.h>
@@ -109,7 +110,8 @@ extern struct ifnet vpnif;
 
 #if !defined(lint)
 static const char sccsid[] = "@(#)ip_nat.c	1.11 6/5/96 (C) 1995 Darren Reed";
-static const char rcsid[] = "@(#)$Id: ip_nat.c,v 2.37.2.74 2002/12/06 11:40:21 darrenr Exp $";
+/* static const char rcsid[] = "@(#)$Id: ip_nat.c,v 2.37.2.44 2001/07/21 07:17:22 darrenr Exp $"; */
+static const char rcsid[] = "@(#)$FreeBSD$";
 #endif
 
 nat_t	**nat_table[2] = { NULL, NULL },
@@ -148,7 +150,6 @@ static	int	nat_match __P((fr_info_t *, ipnat_t *, ip_t *));
 static	hostmap_t *nat_hostmap __P((ipnat_t *, struct in_addr,
 				    struct in_addr));
 static	void	nat_hostmapdel __P((struct hostmap *));
-static	void	nat_mssclamp __P((tcphdr_t *, u_32_t, fr_info_t *, u_short *));
 
 
 int nat_init()
@@ -431,7 +432,7 @@ int mode;
 	u_32_t i, j;
 
 #if (BSD >= 199306) && defined(_KERNEL)
-	if ((securelevel >= 2) && (mode & FWRITE))
+	if ((securelevel >= 3) && (mode & FWRITE))
 		return EPERM;
 #endif
 
@@ -457,9 +458,8 @@ int mode;
 	/*
 	 * For add/delete, look to see if the NAT entry is already present
 	 */
-	if (getlock == 1) {
+	if (getlock == 1)
 		WRITE_ENTER(&ipf_nat);
-	}
 	if ((cmd == SIOCADNAT) || (cmd == SIOCRMNAT)) {
 		nat = &natd;
 		nat->in_flags &= IPN_USERFLAGS;
@@ -728,9 +728,8 @@ int mode;
 		error = EINVAL;
 		break;
 	}
-	if (getlock == 1) {
+	if (getlock == 1)
 		RWLOCK_EXIT(&ipf_nat);			/* READ/WRITE */
-	}
 done:
 	if (nt)
 		KFREE(nt);
@@ -1468,7 +1467,6 @@ int direction;
 	nat->nat_p = fin->fin_p;
 	nat->nat_bytes = 0;
 	nat->nat_pkts = 0;
-	nat->nat_mssclamp = np->in_mssclamp;
 	nat->nat_fr = fin->fin_fr;
 	if (nat->nat_fr != NULL) {
 		ATOMIC_INC32(nat->nat_fr->fr_ref);
@@ -2521,16 +2519,6 @@ maskloop:
 				 */
 				if (nat->nat_age == fr_tcpclosed)
 					nat->nat_age = fr_tcplastack;
-
-                                /*
-                                 * Do a MSS CLAMPING on a SYN packet,
-                                 * only deal IPv4 for now.
-                                 */
-                                if (nat->nat_mssclamp &&
-                                    (tcp->th_flags & TH_SYN) != 0)
-                                        nat_mssclamp(tcp, nat->nat_mssclamp,
-						     fin, csump);
-
 				MUTEX_EXIT(&nat->nat_lock);
 			} else if (fin->fin_p == IPPROTO_UDP) {
 				udphdr_t *udp = (udphdr_t *)tcp;
@@ -2742,15 +2730,6 @@ maskloop:
 				 */
 				if (nat->nat_age == fr_tcpclosed)
 					nat->nat_age = fr_tcplastack;
-                                /*
-                                 * Do a MSS CLAMPING on a SYN packet,
-                                 * only deal IPv4 for now.
-                                 */
-                                if (nat->nat_mssclamp &&
-                                    (tcp->th_flags & TH_SYN) != 0)
-                                        nat_mssclamp(tcp, nat->nat_mssclamp,
-						     fin, csump);
-
 				MUTEX_EXIT(&nat->nat_lock);
 			} else if (fin->fin_p == IPPROTO_UDP) {
 				udphdr_t *udp = (udphdr_t *)tcp;
@@ -2950,60 +2929,3 @@ void *ifp;
 	return;
 }
 #endif
-
-
-/*
- * Check for MSS option and clamp it if necessary.
- */
-static void nat_mssclamp(tcp, maxmss, fin, csump)
-tcphdr_t *tcp;
-u_32_t maxmss;
-fr_info_t *fin;
-u_short *csump;
-{
-	u_char *cp, *ep, opt;
-	int hlen, advance;
-	u_32_t mss, sumd;
-	u_short v;
-
-	hlen = tcp->th_off << 2;
-	if (hlen > sizeof(*tcp)) {
-		cp = (u_char *)tcp + sizeof(*tcp);
-		ep = (u_char *)tcp + hlen;
-
-		while (cp < ep) {
-			opt = cp[0];
-			if (opt == TCPOPT_EOL)
-				break;
-			else if (opt == TCPOPT_NOP) {
-				cp++;
-				continue;
-			}
- 
-			if (&cp[1] >= ep)
-				break;
-			advance = cp[1];
-			if (&cp[advance] >= ep)
-				break;
-			switch (opt) {
-			case TCPOPT_MAXSEG:
-				if (advance != 4)
-					break;
-				bcopy(&cp[2], &v, sizeof(v));
-				mss = ntohs(v);
-				if (mss > maxmss) {
-					v = htons(maxmss);
-					bcopy(&v, &cp[2], sizeof(v));
-					CALC_SUMD(mss, maxmss, sumd);
-					fix_outcksum(fin, csump, sumd);
-				}
-				break;
-			default:
-				/* ignore unknown options */
-				break;
-			}
-		    
-			cp += advance;  
-		}       
-	}	
-}		       
diff --git a/sys/contrib/ipfilter/netinet/ip_nat.h b/sys/contrib/ipfilter/netinet/ip_nat.h
index e052449..2462e61 100644
--- a/sys/contrib/ipfilter/netinet/ip_nat.h
+++ b/sys/contrib/ipfilter/netinet/ip_nat.h
@@ -4,7 +4,8 @@
  * See the IPFILTER.LICENCE file for details on licencing.
  *
  * @(#)ip_nat.h	1.5 2/4/96
- * $Id: ip_nat.h,v 2.17.2.28 2002/11/03 13:06:21 darrenr Exp $
+ * $Id: ip_nat.h,v 2.17.2.14 2000/11/18 03:58:04 darrenr Exp $
+ * $FreeBSD$
  */
 
 #ifndef	__IP_NAT_H__
@@ -84,7 +85,6 @@ typedef	struct	nat	{
 	u_short	nat_use;
 	u_char	nat_tcpstate[2];
 	u_char	nat_p;			/* protocol for NAT */
-	u_32_t	nat_mssclamp;	/* if != zero clamp MSS to this */
 	struct	ipnat	*nat_ptr;	/* pointer back to the rule */
 	struct	hostmap	*nat_hm;
 	struct	nat	*nat_next;
@@ -114,7 +114,6 @@ typedef	struct	ipnat	{
 	u_short	in_pnext;
 	u_short	in_ippip;	/* IP #'s per IP# */
 	u_32_t	in_flags;	/* From here to in_dport must be reflected */
-	u_32_t	in_mssclamp;	/* if != zero clamp MSS to this */
 	u_short	in_spare;
 	u_short	in_ppip;	/* ports per IP */
 	u_short	in_port[2];	/* correctly in IPN_CMPSIZ */
diff --git a/sys/contrib/ipfilter/netinet/ip_proxy.c b/sys/contrib/ipfilter/netinet/ip_proxy.c
index f3b2cd5..d612adf 100644
--- a/sys/contrib/ipfilter/netinet/ip_proxy.c
+++ b/sys/contrib/ipfilter/netinet/ip_proxy.c
@@ -3,11 +3,12 @@
  *
  * See the IPFILTER.LICENCE file for details on licencing.
  */
+
 #if defined(__FreeBSD__) && defined(KERNEL) && !defined(_KERNEL)
 # define	_KERNEL
 #endif
 
-#if defined(__sgi) && (IRIX > 602)
+#ifdef __sgi
 # include <sys/ptimers.h>
 #endif
 #include <sys/errno.h>
@@ -75,17 +76,14 @@
 #endif
 
 #if !defined(lint)
-static const char rcsid[] = "@(#)$Id: ip_proxy.c,v 2.9.2.26 2002/12/06 11:40:23 darrenr Exp $";
+/* static const char rcsid[] = "@(#)$Id: ip_proxy.c,v 2.9.2.6 2001/07/15 22:06:15 darrenr Exp $"; */
+static const char rcsid[] = "@(#)$FreeBSD$";
 #endif
 
 #if defined(_KERNEL) && (SOLARIS || defined(__sgi))
 extern  KRWLOCK_T       ipf_nat, ipf_state;
 #endif
 
-#ifndef MIN
-#define MIN(a,b)        (((a)<(b))?(a):(b))
-#endif
-
 static int appr_fixseqack __P((fr_info_t *, ip_t *, ap_session_t *, int ));
 
 
@@ -98,9 +96,8 @@ static int appr_fixseqack __P((fr_info_t *, ip_t *, ap_session_t *, int ));
 #include "netinet/ip_rcmd_pxy.c"
 #include "netinet/ip_raudio_pxy.c"
 #include "netinet/ip_netbios_pxy.c"
-#include "netinet/ip_h323_pxy.c"
-#endif
 #include "netinet/ip_ipsec_pxy.c"
+#endif
 
 ap_session_t	*ap_sess_tab[AP_SESS_SIZE];
 ap_session_t	*ap_sess_list = NULL;
@@ -315,7 +312,7 @@ nat_t *nat;
 			sum = fr_tcpsum(*(mb_t **)fin->fin_mp, ip, tcp);
 #endif
 			if (sum != tcp->th_sum) {
-#if PROXY_DEBUG || (!defined(_KERNEL) && !defined(KERNEL))
+#if PROXY_DEBUG
 				printf("proxy tcp checksum failure\n");
 #endif
 				frstats[fin->fin_out].fr_tcpbad++;
@@ -323,8 +320,8 @@ nat_t *nat;
 			}
 
 			/*
-			 * Don't bother the proxy with these...or in fact,
-			 * should we free up proxy stuff when seen?
+			 * Don't both the proxy with these...or in fact, should
+			 * we free up proxy stuff when seen?
 			 */
 			if ((tcp->th_flags & TH_RST) != 0)
 				return 0;
@@ -342,13 +339,13 @@ nat_t *nat;
 
 		rv = APR_EXIT(err);
 		if (rv == 1) {
-#if PROXY_DEBUG || (!defined(_KERNEL) && !defined(KERNEL))
+#if PROXY_DEBUG
 			printf("proxy says bad packet received\n");
 #endif
 			return -1;
 		}
 		if (rv == 2) {
-#if PROXY_DEBUG || (!defined(_KERNEL) && !defined(KERNEL))
+#if PROXY_DEBUG
 			printf("proxy says free app proxy data\n");
 #endif
 			appr_free(apr);
@@ -424,7 +421,7 @@ ap_session_t *aps;
 	apr = aps->aps_apr;
 	if ((apr != NULL) && (apr->apr_del != NULL))
 		(*apr->apr_del)(aps);
-
+ 
 	if ((aps->aps_data != NULL) && (aps->aps_psiz != 0))
 		KFREES(aps->aps_data, aps->aps_psiz);
 	KFREE(aps);
@@ -468,7 +465,7 @@ int inc;
 				sel, !sel, seq1, aps->aps_seqmin[!sel]);
 #endif
 			sel = aps->aps_sel[out] = !sel;
-		}
+}
 
 		if (aps->aps_seqoff[sel]) {
 			seq2 = aps->aps_seqmin[sel] - aps->aps_seqoff[sel];
@@ -503,7 +500,7 @@ int inc;
 				sel, !sel, seq1, aps->aps_ackmin[!sel]);
 #endif
 			sel = aps->aps_sel[1 - out] = !sel;
-		}
+}
 
 		if (aps->aps_ackoff[sel] && (seq1 > aps->aps_ackmin[sel])) {
 			seq2 = aps->aps_ackoff[sel];
@@ -522,7 +519,7 @@ int inc;
 				sel, !sel, seq1, aps->aps_ackmin[!sel]);
 #endif
 			sel = aps->aps_sel[out] = !sel;
-		}
+}
 
 		if (aps->aps_ackoff[sel]) {
 			seq2 = aps->aps_ackmin[sel] - aps->aps_ackoff[sel];
@@ -557,7 +554,7 @@ int inc;
 				sel, !sel, seq1, aps->aps_seqmin[!sel]);
 #endif
 			sel = aps->aps_sel[1 - out] = !sel;
-		}
+}
 
 		if (aps->aps_seqoff[sel] != 0) {
 #if PROXY_DEBUG
diff --git a/sys/contrib/ipfilter/netinet/ip_proxy.h b/sys/contrib/ipfilter/netinet/ip_proxy.h
index 50b0559..d293f17 100644
--- a/sys/contrib/ipfilter/netinet/ip_proxy.h
+++ b/sys/contrib/ipfilter/netinet/ip_proxy.h
@@ -3,7 +3,8 @@
  *
  * See the IPFILTER.LICENCE file for details on licencing.
  *
- * $Id: ip_proxy.h,v 2.8.2.14 2002/09/02 12:19:26 darrenr Exp $
+ * $Id: ip_proxy.h,v 2.8.2.4 2000/12/02 00:15:03 darrenr Exp $
+ * $FreeBSD$
  */
 
 #ifndef	__IP_PROXY_H__
@@ -99,7 +100,6 @@ typedef struct  ftpside {
 	u_32_t	ftps_len;
 	int	ftps_junk;
 	int	ftps_cmds;
-	int	ftps_cmd;
 	char	ftps_buf[FTP_BUFSZ];
 } ftpside_t;
 
diff --git a/sys/contrib/ipfilter/netinet/ip_raudio_pxy.c b/sys/contrib/ipfilter/netinet/ip_raudio_pxy.c
index ddd5ea3..5d5d9d4 100644
--- a/sys/contrib/ipfilter/netinet/ip_raudio_pxy.c
+++ b/sys/contrib/ipfilter/netinet/ip_raudio_pxy.c
@@ -1,5 +1,5 @@
 /*
- * $Id: ip_raudio_pxy.c,v 1.7.2.8 2002/01/13 04:58:29 darrenr Exp $
+ * $FreeBSD$
  */
 #if SOLARIS && defined(_KERNEL)
 extern	kmutex_t	ipf_rw;
diff --git a/sys/contrib/ipfilter/netinet/ip_rcmd_pxy.c b/sys/contrib/ipfilter/netinet/ip_rcmd_pxy.c
index 3fecf49..1d6bc71 100644
--- a/sys/contrib/ipfilter/netinet/ip_rcmd_pxy.c
+++ b/sys/contrib/ipfilter/netinet/ip_rcmd_pxy.c
@@ -1,9 +1,10 @@
 /*
- * $Id: ip_rcmd_pxy.c,v 1.4.2.6 2002/10/01 15:24:59 darrenr Exp $
+ * $Id: ip_rcmd_pxy.c,v 1.4.2.5 2001/10/30 16:38:14 darrenr Exp $
  */
 /*
  * Simple RCMD transparent proxy for in-kernel use.  For use with the NAT
  * code.
+ * $FreeBSD$
  */
 #if SOLARIS && defined(_KERNEL)
 extern	kmutex_t	ipf_rw;
@@ -143,7 +144,6 @@ nat_t *nat;
 		tcp2->th_sport = htons(sp);
 		tcp2->th_dport = 0; /* XXX - don't specify remote port */
 		tcp2->th_off = 5;
-		tcp2->th_flags = TH_SYN;
 		fi.fin_data[1] = 0;
 		fi.fin_dp = (char *)tcp2;
 		fi.fin_dlen = sizeof(*tcp2);
diff --git a/sys/contrib/ipfilter/netinet/ip_state.c b/sys/contrib/ipfilter/netinet/ip_state.c
index 5ab78cc..b649058 100644
--- a/sys/contrib/ipfilter/netinet/ip_state.c
+++ b/sys/contrib/ipfilter/netinet/ip_state.c
@@ -3,7 +3,8 @@
  *
  * See the IPFILTER.LICENCE file for details on licencing.
  */
-#if defined(__sgi) && (IRIX > 602)
+
+#ifdef __sgi
 # include <sys/ptimers.h>
 #endif
 #include <sys/errno.h>
@@ -93,7 +94,8 @@
 
 #if !defined(lint)
 static const char sccsid[] = "@(#)ip_state.c	1.8 6/5/96 (C) 1993-2000 Darren Reed";
-static const char rcsid[] = "@(#)$Id: ip_state.c,v 2.30.2.77 2002/12/06 11:40:24 darrenr Exp $";
+/* static const char rcsid[] = "@(#)$Id: ip_state.c,v 2.30.2.38 2001/07/23 13:49:46 darrenr Exp $"; */
+static const char rcsid[] = "@(#)$FreeBSD$";
 #endif
 
 #ifndef	MIN
@@ -117,8 +119,8 @@ static frentry_t *fr_checkicmp6matchingstate __P((ip6_t *, fr_info_t *));
 static int fr_matchsrcdst __P((ipstate_t *, union i6addr, union i6addr,
 			       fr_info_t *, tcphdr_t *));
 static frentry_t *fr_checkicmpmatchingstate __P((ip_t *, fr_info_t *));
-static int fr_matchicmpqueryreply __P((int, ipstate_t *, icmphdr_t *, int));
-static int fr_state_flush __P((int, int));
+static int fr_matchicmpqueryreply __P((int, ipstate_t *, icmphdr_t *));
+static int fr_state_flush __P((int));
 static ips_stat_t *fr_statetstats __P((void));
 static void fr_delstate __P((ipstate_t *));
 static int fr_state_remove __P((caddr_t));
@@ -203,8 +205,8 @@ static ips_stat_t *fr_statetstats()
  *              starting at > 4 days idle and working back in successive half-
  *              days to at most 12 hours old.
  */
-static int fr_state_flush(which, proto)
-int which, proto;
+static int fr_state_flush(which)
+int which;
 {
 	ipstate_t *is, **isp;
 #if defined(_KERNEL) && !SOLARIS
@@ -216,9 +218,6 @@ int which, proto;
 	for (isp = &ips_list; (is = *isp); ) {
 		delete = 0;
 
-		if ((proto != 0) && (is->is_v != proto))
-			continue;
-
 		switch (which)
 		{
 		case 0 :
@@ -340,26 +339,12 @@ int mode;
 			break;
 		if (arg == 0 || arg == 1) {
 			WRITE_ENTER(&ipf_state);
-			ret = fr_state_flush(arg, 4);
-			RWLOCK_EXIT(&ipf_state);
-			error = IWCOPY((caddr_t)&ret, data, sizeof(ret));
-		} else
-			error = EINVAL;
-		break;
-#ifdef USE_INET6
-	case SIOCIPFL6 :
-		error = IRCOPY(data, (caddr_t)&arg, sizeof(arg));
-		if (error)
-			break;
-		if (arg == 0 || arg == 1) {
-			WRITE_ENTER(&ipf_state);
-			ret = fr_state_flush(arg, 6);
+			ret = fr_state_flush(arg);
 			RWLOCK_EXIT(&ipf_state);
 			error = IWCOPY((caddr_t)&ret, data, sizeof(ret));
 		} else
 			error = EINVAL;
 		break;
-#endif
 #ifdef	IPFILTER_LOG
 	case SIOCIPFFB :
 		if (!(mode & FWRITE))
@@ -1135,7 +1120,7 @@ tcphdr_t *tcp;
 	return 1;
 }
 
-static int fr_matchicmpqueryreply(v, is, icmp, rev)
+static int fr_matchicmpqueryreply(v, is, icmp)
 int v;
 ipstate_t *is;
 icmphdr_t *icmp;
@@ -1145,8 +1130,8 @@ icmphdr_t *icmp;
 		 * If we matched its type on the way in, then when going out
 		 * it will still be the same type.
 		 */
-		if ((!rev && (icmp->icmp_type == is->is_type)) ||
-		    (rev && (icmpreplytype4[is->is_type] == icmp->icmp_type))) {
+		if (((icmp->icmp_type == is->is_type) ||
+		     (icmpreplytype4[is->is_type] == icmp->icmp_type))) {
 			if (icmp->icmp_type != ICMP_ECHOREPLY)
 				return 1;
 			if ((icmp->icmp_id == is->is_icmp.ics_id) &&
@@ -1156,8 +1141,8 @@ icmphdr_t *icmp;
 	}
 #ifdef	USE_INET6
 	else if (is->is_v == 6) {
-		if ((!rev && (icmp->icmp_type == is->is_type)) ||
-		    (rev && (icmpreplytype6[is->is_type] == icmp->icmp_type))) {
+		if (((icmp->icmp_type == is->is_type) ||
+		     (icmpreplytype6[is->is_type] == icmp->icmp_type))) {
 			if (icmp->icmp_type != ICMP6_ECHO_REPLY)
 				return 1;
 			if ((icmp->icmp_id == is->is_icmp.ics_id) &&
@@ -1295,7 +1280,7 @@ fr_info_t *fin;
 		for (isp = &ips_table[hv]; (is = *isp); isp = &is->is_hnext)
 			if ((is->is_p == pr) && (is->is_v == 4) &&
 			    fr_matchsrcdst(is, src, dst, &ofin, NULL) &&
-			    fr_matchicmpqueryreply(is->is_v, is, icmp, fin->fin_rev)) {
+			    fr_matchicmpqueryreply(is->is_v, is, icmp)) {
 				ips_stats.iss_hits++;
 				is->is_pkts++;
 				is->is_bytes += ip->ip_len;
@@ -1477,7 +1462,7 @@ icmp6again:
 		for (isp = &ips_table[hvm]; (is = *isp); isp = &is->is_hnext)
 			if ((is->is_p == pr) && (is->is_v == v) &&
 			    fr_matchsrcdst(is, src, dst, fin, NULL) &&
-			    fr_matchicmpqueryreply(v, is, ic, fin->fin_rev)) {
+			    fr_matchicmpqueryreply(v, is, ic)) {
 				rev = fin->fin_rev;
 				if (is->is_frage[rev] != 0)
 					is->is_age = is->is_frage[rev];
@@ -1532,7 +1517,7 @@ icmp6again:
 		for (isp = &ips_table[hvm]; (is = *isp); isp = &is->is_hnext)
 			if ((is->is_p == pr) && (is->is_v == v) &&
 			    fr_matchsrcdst(is, src, dst, fin, NULL) &&
-			    fr_matchicmpqueryreply(v, is, ic, fin->fin_rev)) {
+			    fr_matchicmpqueryreply(v, is, ic)) {
 				rev = fin->fin_rev;
 				if (is->is_frage[rev] != 0)
 					is->is_age = is->is_frage[rev];
@@ -1767,7 +1752,7 @@ void fr_timeoutstate()
 		} else
 			isp = &is->is_next;
 	if (fr_state_doflush) {
-		(void) fr_state_flush(2, 0);
+		(void) fr_state_flush(2);
 		fr_state_doflush = 0;
 	}
 	RWLOCK_EXIT(&ipf_state);
diff --git a/sys/contrib/ipfilter/netinet/ip_state.h b/sys/contrib/ipfilter/netinet/ip_state.h
index 35368c4..bd21cbc 100644
--- a/sys/contrib/ipfilter/netinet/ip_state.h
+++ b/sys/contrib/ipfilter/netinet/ip_state.h
@@ -4,7 +4,8 @@
  * See the IPFILTER.LICENCE file for details on licencing.
  *
  * @(#)ip_state.h	1.3 1/12/96 (C) 1995 Darren Reed
- * $Id: ip_state.h,v 2.13.2.13 2002/06/27 14:40:29 darrenr Exp $
+ * $Id: ip_state.h,v 2.13.2.1 2000/07/08 02:15:35 darrenr Exp $
+ * $FreeBSD$
  */
 #ifndef	__IP_STATE_H__
 #define	__IP_STATE_H__
diff --git a/sys/contrib/ipfilter/netinet/ipl.h b/sys/contrib/ipfilter/netinet/ipl.h
index 2a23a44..d1d69a5 100644
--- a/sys/contrib/ipfilter/netinet/ipl.h
+++ b/sys/contrib/ipfilter/netinet/ipl.h
@@ -4,12 +4,12 @@
  * See the IPFILTER.LICENCE file for details on licencing.
  *
  * @(#)ipl.h	1.21 6/5/96
- * $Id: ipl.h,v 2.15.2.38 2002/12/07 02:40:05 darrenr Exp $
+ * $FreeBSD$
  */
 
 #ifndef	__IPL_H__
 #define	__IPL_H__
 
-#define	IPL_VERSION	"IP Filter: v3.4.31"
+#define	IPL_VERSION	"IP Filter: v3.4.29"
 
 #endif
diff --git a/sys/contrib/ipfilter/netinet/mlfk_ipl.c b/sys/contrib/ipfilter/netinet/mlfk_ipl.c
index f33de37..a9386c4 100644
--- a/sys/contrib/ipfilter/netinet/mlfk_ipl.c
+++ b/sys/contrib/ipfilter/netinet/mlfk_ipl.c
@@ -23,7 +23,7 @@
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  *
- * $Id: mlfk_ipl.c,v 2.1.2.7 2001/08/27 21:14:04 darrenr Exp $
+ * $FreeBSD$
  */
 
 
@@ -118,7 +118,6 @@ static struct cdevsw ipl_cdevsw = {
 	/* dump */	nodump,
 	/* psize */	nopsize,
 	/* flags */	0,
-	/* bmaj */	-1
 };
 
 static int