Merge ACPICA 20100702.

1 files changed, 400 insertions, 0 deletions

diff --git a/sys/contrib/dev/acpica/compiler/dtsubtable.c b/sys/contrib/dev/acpica/compiler/dtsubtable.c
new file mode 100644
index 0000000..8555003
--- /dev/null
+++ b/sys/contrib/dev/acpica/compiler/dtsubtable.c
@@ -0,0 +1,400 @@
+/******************************************************************************
+ *
+ * Module Name: dtsubtable.c - handling of subtables within ACPI tables
+ *
+ *****************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2010, 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 __DTSUBTABLE_C__
+
+#include <contrib/dev/acpica/compiler/aslcompiler.h>
+#include <contrib/dev/acpica/compiler/dtcompiler.h>
+
+#define _COMPONENT          DT_COMPILER
+        ACPI_MODULE_NAME    ("dtsubtable")
+
+
+/******************************************************************************
+ *
+ * FUNCTION:    DtCreateSubtable
+ *
+ * PARAMETERS:  Buffer              - Input buffer
+ *              Length              - Buffer length
+ *              RetSubtable         - Returned newly created subtable
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Create a subtable that is not listed with ACPI_DMTABLE_INFO
+ *              For example, FACS has 24 bytes reserved at the end
+ *              and it's not listed at AcpiDmTableInfoFacs
+ *
+ *****************************************************************************/
+
+void
+DtCreateSubtable (
+    UINT8                   *Buffer,
+    UINT32                  Length,
+    DT_SUBTABLE             **RetSubtable)
+{
+    DT_SUBTABLE             *Subtable;
+
+
+    Subtable = UtLocalCalloc (sizeof (DT_SUBTABLE));
+
+    /* Create a new buffer for the subtable data */
+
+    Subtable->Buffer = UtLocalCalloc (Length);
+    ACPI_MEMCPY (Subtable->Buffer, Buffer, Length);
+
+    Subtable->Length = Length;
+    Subtable->TotalLength = Length;
+
+    *RetSubtable = Subtable;
+}
+
+
+/******************************************************************************
+ *
+ * FUNCTION:    DtInsertSubtable
+ *
+ * PARAMETERS:  ParentTable         - The Parent of the new subtable
+ *              Subtable            - The new subtable to insert
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Insert the new subtable to the parent table
+ *
+ *****************************************************************************/
+
+void
+DtInsertSubtable (
+    DT_SUBTABLE             *ParentTable,
+    DT_SUBTABLE             *Subtable)
+{
+    DT_SUBTABLE             *ChildTable;
+
+
+    Subtable->Peer = NULL;
+    Subtable->Parent = ParentTable;
+
+    /* Link the new entry into the child list */
+
+    if (!ParentTable->Child)
+    {
+        ParentTable->Child = Subtable;
+    }
+    else
+    {
+        /* Walk to the end of the child list */
+
+        ChildTable = ParentTable->Child;
+        while (ChildTable->Peer)
+        {
+            ChildTable = ChildTable->Peer;
+        }
+
+        /* Add new subtable at the end of the child list */
+
+        ChildTable->Peer = Subtable;
+    }
+}
+
+
+/******************************************************************************
+ *
+ * FUNCTION:    DtPushSubtable
+ *
+ * PARAMETERS:  Subtable            - Subtable to push
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Push a subtable onto a subtable stack
+ *
+ *****************************************************************************/
+
+void
+DtPushSubtable (
+    DT_SUBTABLE             *Subtable)
+{
+
+    Subtable->StackTop = Gbl_SubtableStack;
+    Gbl_SubtableStack = Subtable;
+}
+
+
+/******************************************************************************
+ *
+ * FUNCTION:    DtPopSubtable
+ *
+ * PARAMETERS:  None
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Pop a subtable from a subtable stack. Uses global SubtableStack
+ *
+ *****************************************************************************/
+
+void
+DtPopSubtable (
+    void)
+{
+    DT_SUBTABLE             *Subtable;
+
+
+    Subtable = Gbl_SubtableStack;
+
+    if (Subtable)
+    {
+        Gbl_SubtableStack = Subtable->StackTop;
+    }
+}
+
+
+/******************************************************************************
+ *
+ * FUNCTION:    DtPeekSubtable
+ *
+ * PARAMETERS:  None
+ *
+ * RETURN:      The subtable on top of stack
+ *
+ * DESCRIPTION: Get the subtable on top of stack
+ *
+ *****************************************************************************/
+
+DT_SUBTABLE *
+DtPeekSubtable (
+    void)
+{
+
+    return (Gbl_SubtableStack);
+}
+
+
+/******************************************************************************
+ *
+ * FUNCTION:    DtGetNextSubtable
+ *
+ * PARAMETERS:  ParentTable         - Parent table whose children we are
+ *                                    getting
+ *              ChildTable          - Previous child that was found.
+ *                                    The NEXT child will be returned
+ *
+ * RETURN:      Pointer to the NEXT child or NULL if none is found.
+ *
+ * DESCRIPTION: Return the next peer subtable within the tree.
+ *
+ *****************************************************************************/
+
+DT_SUBTABLE *
+DtGetNextSubtable (
+    DT_SUBTABLE             *ParentTable,
+    DT_SUBTABLE             *ChildTable)
+{
+    ACPI_FUNCTION_ENTRY ();
+
+
+    if (!ChildTable)
+    {
+        /* It's really the parent's _scope_ that we want */
+
+        return (ParentTable->Child);
+    }
+
+    /* Otherwise just return the next peer (NULL if at end-of-list) */
+
+    return (ChildTable->Peer);
+}
+
+
+/******************************************************************************
+ *
+ * FUNCTION:    DtGetParentSubtable
+ *
+ * PARAMETERS:  Subtable            - Current subtable
+ *
+ * RETURN:      Parent of the given subtable
+ *
+ * DESCRIPTION: Get the parent of the given subtable in the tree
+ *
+ *****************************************************************************/
+
+DT_SUBTABLE *
+DtGetParentSubtable (
+    DT_SUBTABLE             *Subtable)
+{
+
+    if (!Subtable)
+    {
+        return (NULL);
+    }
+
+    return (Subtable->Parent);
+}
+
+
+/******************************************************************************
+ *
+ * FUNCTION:    DtGetSubtableLength
+ *
+ * PARAMETERS:  Field               - Current field list pointer
+ *              Info                - Data table info
+ *
+ * RETURN:      Subtable length
+ *
+ * DESCRIPTION: Get length of bytes needed to compile the subtable
+ *
+ *****************************************************************************/
+
+UINT32
+DtGetSubtableLength (
+    DT_FIELD                *Field,
+    ACPI_DMTABLE_INFO       *Info)
+{
+    UINT32                  ByteLength = 0;
+
+
+    /* Walk entire Info table; Null name terminates */
+
+    for (; Info->Name; Info++)
+    {
+        ByteLength += DtGetFieldLength (Field, Info);
+    }
+
+    return (ByteLength);
+}
+
+
+/******************************************************************************
+ *
+ * FUNCTION:    DtSetSubtableLength
+ *
+ * PARAMETERS:  Subtable            - Subtable
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Set length of the subtable into its length field
+ *
+ *****************************************************************************/
+
+void
+DtSetSubtableLength (
+    DT_SUBTABLE             *Subtable)
+{
+
+    if (!Subtable->LengthField)
+    {
+        return;
+    }
+
+    ACPI_MEMCPY (Subtable->LengthField, &Subtable->TotalLength,
+        Subtable->SizeOfLengthField);
+}