Import of the 20020308 Intel ACPI CA update.

21 files changed, 153 insertions, 58 deletions

diff --git a/sys/contrib/dev/acpica/acconfig.h b/sys/contrib/dev/acpica/acconfig.h
index ad476ad..65789e2 100644
--- a/sys/contrib/dev/acpica/acconfig.h
+++ b/sys/contrib/dev/acpica/acconfig.h
@@ -1,7 +1,7 @@
 /******************************************************************************
  *
  * Name: acconfig.h - Global configuration constants
- *       $Revision: 90 $
+ *       $Revision: 94 $
  *
  *****************************************************************************/
 
@@ -145,7 +145,7 @@
 
 /* Version string */
 
-#define ACPI_CA_VERSION             0x20020214
+#define ACPI_CA_VERSION             0x20020308
 
 /* Version of ACPI supported */
 
diff --git a/sys/contrib/dev/acpica/acdebug.h b/sys/contrib/dev/acpica/acdebug.h
index a129869..127bfee 100644
--- a/sys/contrib/dev/acpica/acdebug.h
+++ b/sys/contrib/dev/acpica/acdebug.h
@@ -1,7 +1,7 @@
 /******************************************************************************
  *
  * Name: acdebug.h - ACPI/AML debugger
- *       $Revision: 56 $
+ *       $Revision: 57 $
  *
  *****************************************************************************/
 
@@ -389,7 +389,7 @@ AcpiDbCommandDispatch (
     ACPI_WALK_STATE         *WalkState,
     ACPI_PARSE_OBJECT       *Op);
 
-void
+void ACPI_SYSTEM_XFACE
 AcpiDbExecuteThread (
     void                    *Context);
 
diff --git a/sys/contrib/dev/acpica/acefi.h b/sys/contrib/dev/acpica/acefi.h
index ea9402f..f37afe5 100644
--- a/sys/contrib/dev/acpica/acefi.h
+++ b/sys/contrib/dev/acpica/acefi.h
@@ -1,7 +1,7 @@
 /******************************************************************************
  *
  * Name: acefi.h - OS specific defines, etc.
- *       $Revision: 7 $
+ *       $Revision: 9 $
  *
  *****************************************************************************/
 
@@ -128,6 +128,19 @@
 
 #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)
diff --git a/sys/contrib/dev/acpica/acenv.h b/sys/contrib/dev/acpica/acenv.h
index 57e79b9..44306ad 100644
--- a/sys/contrib/dev/acpica/acenv.h
+++ b/sys/contrib/dev/acpica/acenv.h
@@ -1,7 +1,7 @@
 /******************************************************************************
  *
  * Name: acenv.h - Generation environment specific items
- *       $Revision: 83 $
+ *       $Revision: 85 $
  *
  *****************************************************************************/
 
@@ -202,6 +202,9 @@
 #elif defined(_AED_EFI)
 #include "acefi.h"
 
+#elif defined(MSDOS)
+#include "acdos16.h"
+
 #elif defined(WIN32)
 #include "acwin.h"
 
@@ -355,8 +358,22 @@ typedef char *va_list;
  */
 
 /* 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 causeinterrupt(level)
 #define BREAKPOINT3
@@ -382,12 +399,8 @@ typedef char *va_list;
 
 /******************************************************************************
  *
- * Compiler-specific
+ * Compiler-specific information is contained in the compiler-specific
+ * headers.
  *
  *****************************************************************************/
-
-/* this has been moved to compiler-specific headers, which are included from the
-   platform header. */
-
-
 #endif /* __ACENV_H__ */
diff --git a/sys/contrib/dev/acpica/acevents.h b/sys/contrib/dev/acpica/acevents.h
index 134642b..21de799 100644
--- a/sys/contrib/dev/acpica/acevents.h
+++ b/sys/contrib/dev/acpica/acevents.h
@@ -1,7 +1,7 @@
 /******************************************************************************
  *
  * Name: acevents.h - Event subcomponent prototypes and defines
- *       $Revision: 74 $
+ *       $Revision: 75 $
  *
  *****************************************************************************/
 
@@ -173,7 +173,7 @@ AcpiEvQueueNotifyRequest (
     ACPI_NAMESPACE_NODE     *Node,
     UINT32                  NotifyValue);
 
-void
+void ACPI_SYSTEM_XFACE
 AcpiEvNotifyDispatch (
     void                    *Context);
 
diff --git a/sys/contrib/dev/acpica/acgcc.h b/sys/contrib/dev/acpica/acgcc.h
index 539131b..ea36178 100644
--- a/sys/contrib/dev/acpica/acgcc.h
+++ b/sys/contrib/dev/acpica/acgcc.h
@@ -1,7 +1,7 @@
 /******************************************************************************
  *
  * Name: acgcc.h - GCC specific defines, etc.
- *       $Revision: 17 $
+ *       $Revision: 19 $
  *
  *****************************************************************************/
 
@@ -122,9 +122,26 @@
 #define _IA64
 
 #define COMPILER_DEPENDENT_UINT64   unsigned long
+
+/*
+ * 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
+
 /* Single threaded */
+
 #define ACPI_APPLICATION
 
+/* Asm macros */
+
 #define ACPI_ASM_MACROS
 #define causeinterrupt(level)
 #define BREAKPOINT3
@@ -186,6 +203,22 @@
 #else /* DO IA32 */
 
 #define COMPILER_DEPENDENT_UINT64   unsigned long long
+
+/*
+ * 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
+
+/* Asm macros */
+
 #define ACPI_ASM_MACROS
 #define causeinterrupt(level)
 #define BREAKPOINT3
diff --git a/sys/contrib/dev/acpica/acpiosxf.h b/sys/contrib/dev/acpica/acpiosxf.h
index e7d3125..bbd8a86 100644
--- a/sys/contrib/dev/acpica/acpiosxf.h
+++ b/sys/contrib/dev/acpica/acpiosxf.h
@@ -154,12 +154,12 @@ typedef struct AcpiFatalInfo
  * Types specific to the OS service interfaces
  */
 
-typedef
-UINT32 (*OSD_HANDLER) (
+typedef UINT32 
+(ACPI_SYSTEM_XFACE *OSD_HANDLER) (
     void                    *Context);
 
-typedef
-void (*OSD_EXECUTION_CALLBACK) (
+typedef void 
+(ACPI_SYSTEM_XFACE *OSD_EXECUTION_CALLBACK) (
     void                    *Context);
 
 
@@ -360,7 +360,7 @@ AcpiOsSignal (
  * Debug print routines
  */
 
-void
+void ACPI_INTERNAL_VAR_XFACE
 AcpiOsPrintf (
     const NATIVE_CHAR       *Format,
     ...);
diff --git a/sys/contrib/dev/acpica/actypes.h b/sys/contrib/dev/acpica/actypes.h
index a8d88c3..1bb8603 100644
--- a/sys/contrib/dev/acpica/actypes.h
+++ b/sys/contrib/dev/acpica/actypes.h
@@ -1,7 +1,7 @@
 /******************************************************************************
  *
  * Name: actypes.h - Common data types for the entire ACPI subsystem
- *       $Revision: 223 $
+ *       $Revision: 224 $
  *
  *****************************************************************************/
 
@@ -868,6 +868,8 @@ typedef struct
 
 typedef struct
 {
+    UINT32                      Length;
+    ACPI_PHYSICAL_ADDRESS       Address;
     ACPI_PHYSICAL_ADDRESS       MappedPhysicalAddress;
     UINT8                       *MappedLogicalAddress;
     UINT32                      MappedLength;
diff --git a/sys/contrib/dev/acpica/acutils.h b/sys/contrib/dev/acpica/acutils.h
index 651d180..8c2f5f0 100644
--- a/sys/contrib/dev/acpica/acutils.h
+++ b/sys/contrib/dev/acpica/acutils.h
@@ -1,7 +1,7 @@
 /******************************************************************************
  *
  * Name: acutils.h -- prototypes for the common (subsystem-wide) procedures
- *       $Revision: 129 $
+ *       $Revision: 130 $
  *
  *****************************************************************************/
 
@@ -444,7 +444,7 @@ AcpiUtDumpBuffer (
     UINT32                  Display,
     UINT32                  componentId);
 
-void
+void ACPI_INTERNAL_VAR_XFACE
 AcpiUtDebugPrint (
     UINT32                  RequestedDebugLevel,
     UINT32                  LineNumber,
@@ -452,7 +452,7 @@ AcpiUtDebugPrint (
     char                    *Format,
     ...) ACPI_PRINTF_LIKE_FUNC;
 
-void
+void ACPI_INTERNAL_VAR_XFACE
 AcpiUtDebugPrintRaw (
     UINT32                  RequestedDebugLevel,
     UINT32                  LineNumber,
diff --git a/sys/contrib/dev/acpica/dbexec.c b/sys/contrib/dev/acpica/dbexec.c
index d8505ab..28cb0b3 100644
--- a/sys/contrib/dev/acpica/dbexec.c
+++ b/sys/contrib/dev/acpica/dbexec.c
@@ -1,7 +1,7 @@
 /*******************************************************************************
  *
  * Module Name: dbexec - debugger control method execution
- *              $Revision: 38 $
+ *              $Revision: 39 $
  *
  ******************************************************************************/
 
@@ -389,7 +389,7 @@ AcpiDbExecute (
  *
  ******************************************************************************/
 
-void
+void ACPI_SYSTEM_XFACE
 AcpiDbMethodThread (
     void                    *Context)
 {
diff --git a/sys/contrib/dev/acpica/dbinput.c b/sys/contrib/dev/acpica/dbinput.c
index e5e938b..f669ddb 100644
--- a/sys/contrib/dev/acpica/dbinput.c
+++ b/sys/contrib/dev/acpica/dbinput.c
@@ -1,7 +1,7 @@
 /*******************************************************************************
  *
  * Module Name: dbinput - user front-end to the AML debugger
- *              $Revision: 80 $
+ *              $Revision: 81 $
  *
  ******************************************************************************/
 
@@ -839,7 +839,7 @@ AcpiDbCommandDispatch (
  *
  ******************************************************************************/
 
-void
+void ACPI_SYSTEM_XFACE
 AcpiDbExecuteThread (
     void                    *Context)
 {
diff --git a/sys/contrib/dev/acpica/dswload.c b/sys/contrib/dev/acpica/dswload.c
index 6479744..64bef0c 100644
--- a/sys/contrib/dev/acpica/dswload.c
+++ b/sys/contrib/dev/acpica/dswload.c
@@ -1,7 +1,7 @@
 /******************************************************************************
  *
  * Module Name: dswload - Dispatcher namespace load callbacks
- *              $Revision: 60 $
+ *              $Revision: 61 $
  *
  *****************************************************************************/
 
@@ -560,8 +560,8 @@ AcpiDsLoad2EndOp (
     ACPI_FUNCTION_NAME ("DsLoad2EndOp");
 
     Op = WalkState->Op;
-    ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, "Opcode [%4.4X] Op %p State %p\n",
-            Op->Opcode, Op, WalkState));
+    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 */
 
diff --git a/sys/contrib/dev/acpica/evevent.c b/sys/contrib/dev/acpica/evevent.c
index b11adce..8b86893 100644
--- a/sys/contrib/dev/acpica/evevent.c
+++ b/sys/contrib/dev/acpica/evevent.c
@@ -1,7 +1,7 @@
 /******************************************************************************
  *
  * Module Name: evevent - Fixed and General Purpose Even handling and dispatch
- *              $Revision: 69 $
+ *              $Revision: 71 $
  *
  *****************************************************************************/
 
@@ -543,7 +543,7 @@ AcpiEvGpeInitialize (void)
                 GpeNumber = GpeRegisterInfo->BaseGpeNumber + j;
                 AcpiGbl_GpeNumberToIndex[GpeNumber].NumberIndex = (UINT8) GpeNumberIndex;
 
-                AcpiGbl_GpeNumberInfo[GpeNumberIndex].BitMask = AcpiGbl_DecodeTo8bit[i];
+                AcpiGbl_GpeNumberInfo[GpeNumberIndex].BitMask = AcpiGbl_DecodeTo8bit[j];
                 GpeNumberIndex++;
             }
 
@@ -823,7 +823,7 @@ AcpiEvGpeDetect (void)
  *
  ******************************************************************************/
 
-static void
+static void ACPI_SYSTEM_XFACE
 AcpiEvAsynchExecuteGpeMethod (
     void                    *Context)
 {
diff --git a/sys/contrib/dev/acpica/evmisc.c b/sys/contrib/dev/acpica/evmisc.c
index 05aac5e..cb80387 100644
--- a/sys/contrib/dev/acpica/evmisc.c
+++ b/sys/contrib/dev/acpica/evmisc.c
@@ -2,7 +2,7 @@
  *
  * Module Name: evmisc - ACPI device notification handler dispatch
  *                       and ACPI Global Lock support
- *              $Revision: 46 $
+ *              $Revision: 47 $
  *
  *****************************************************************************/
 
@@ -324,7 +324,7 @@ AcpiEvQueueNotifyRequest (
  *
  ******************************************************************************/
 
-void
+void ACPI_SYSTEM_XFACE
 AcpiEvNotifyDispatch (
     void                    *Context)
 {
@@ -396,7 +396,7 @@ AcpiEvNotifyDispatch (
  *
  ******************************************************************************/
 
-static void
+static void ACPI_SYSTEM_XFACE
 AcpiEvGlobalLockThread (
     void                    *Context)
 {
diff --git a/sys/contrib/dev/acpica/evrgnini.c b/sys/contrib/dev/acpica/evrgnini.c
index cf801a8..d5d0f48 100644
--- a/sys/contrib/dev/acpica/evrgnini.c
+++ b/sys/contrib/dev/acpica/evrgnini.c
@@ -1,7 +1,7 @@
 /******************************************************************************
  *
  * Module Name: evrgnini- ACPI AddressSpace (OpRegion) init
- *              $Revision: 56 $
+ *              $Revision: 57 $
  *
  *****************************************************************************/
 
@@ -149,6 +149,9 @@ AcpiEvSystemMemoryRegionSetup (
     void                    *HandlerContext,
     void                    **RegionContext)
 {
+    ACPI_OPERAND_OBJECT     *RegionDesc = (ACPI_OPERAND_OBJECT *) Handle;
+    ACPI_MEM_SPACE_CONTEXT  *LocalRegionContext;
+
     ACPI_FUNCTION_TRACE ("EvSystemMemoryRegionSetup");
 
 
@@ -165,12 +168,18 @@ AcpiEvSystemMemoryRegionSetup (
 
     /* Activate.  Create a new context */
 
-    *RegionContext = ACPI_MEM_CALLOCATE (sizeof (ACPI_MEM_SPACE_CONTEXT));
-    if (!(*RegionContext))
+    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);
 }
 
diff --git a/sys/contrib/dev/acpica/evsci.c b/sys/contrib/dev/acpica/evsci.c
index 76f0529..2cb887c 100644
--- a/sys/contrib/dev/acpica/evsci.c
+++ b/sys/contrib/dev/acpica/evsci.c
@@ -2,7 +2,7 @@
  *
  * Module Name: evsci - System Control Interrupt configuration and
  *                      legacy to ACPI mode state transition functions
- *              $Revision: 82 $
+ *              $Revision: 83 $
  *
  ******************************************************************************/
 
@@ -140,7 +140,7 @@
  *
  ******************************************************************************/
 
-static UINT32
+static UINT32 ACPI_SYSTEM_XFACE
 AcpiEvSciHandler (
     void                    *Context)
 {
diff --git a/sys/contrib/dev/acpica/exprep.c b/sys/contrib/dev/acpica/exprep.c
index 24d73c7..ed24884 100644
--- a/sys/contrib/dev/acpica/exprep.c
+++ b/sys/contrib/dev/acpica/exprep.c
@@ -2,7 +2,7 @@
 /******************************************************************************
  *
  * Module Name: exprep - ACPI AML (p-code) execution - field prep utilities
- *              $Revision: 113 $
+ *              $Revision: 114 $
  *
  *****************************************************************************/
 
@@ -165,6 +165,17 @@ AcpiExDecodeFieldAccess (
     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 */
 
@@ -190,6 +201,7 @@ AcpiExDecodeFieldAccess (
 
             BitLength = 8;
         }
+#endif
         break;
 
     case AML_FIELD_ACCESS_BYTE:
diff --git a/sys/contrib/dev/acpica/exregion.c b/sys/contrib/dev/acpica/exregion.c
index 4e8dedd..79b8b64 100644
--- a/sys/contrib/dev/acpica/exregion.c
+++ b/sys/contrib/dev/acpica/exregion.c
@@ -2,7 +2,7 @@
 /******************************************************************************
  *
  * Module Name: exregion - ACPI default OpRegion (address space) handlers
- *              $Revision: 71 $
+ *              $Revision: 72 $
  *
  *****************************************************************************/
 
@@ -161,6 +161,8 @@ AcpiExSystemMemorySpaceHandler (
     void                    *LogicalAddrPtr = NULL;
     ACPI_MEM_SPACE_CONTEXT  *MemInfo = RegionContext;
     UINT32                  Length;
+    UINT32                  WindowSize;
+    UINT32                  Remaining;
 
 
     ACPI_FUNCTION_TRACE ("ExSystemMemorySpaceHandler");
@@ -192,7 +194,6 @@ AcpiExSystemMemorySpaceHandler (
         return_ACPI_STATUS (AE_AML_OPERAND_VALUE);
     }
 
-
     /*
      * Does the request fit into the cached memory mapping?
      * Is 1) Address below the current mapping? OR
@@ -214,24 +215,36 @@ AcpiExSystemMemorySpaceHandler (
                                 MemInfo->MappedLength);
         }
 
-        MemInfo->MappedLength = 0;  /* In case of failure below */
-
+        /* 
+         * Don't attempt to map memory beyond the end of the region, and
+         * constrain the maximum mapping size to something reasonable.
+         */
+        Remaining = (UINT32) ((MemInfo->Address + (ACPI_PHYSICAL_ADDRESS) MemInfo->Length) - Address);
+        if (Remaining > SYSMEM_REGION_WINDOW_SIZE)
+        {
+            WindowSize = SYSMEM_REGION_WINDOW_SIZE;
+        }
+        else
+        {
+            WindowSize = Remaining;
+        }
+     
         /* Create a new mapping starting at the address given */
 
-        Status = AcpiOsMapMemory (Address, SYSMEM_REGION_WINDOW_SIZE,
+        Status = AcpiOsMapMemory (Address, WindowSize,
                                     (void **) &MemInfo->MappedLogicalAddress);
         if (ACPI_FAILURE (Status))
         {
+            MemInfo->MappedLength = 0;
             return_ACPI_STATUS (Status);
         }
 
         /* Save the physical address and mapping size */
 
         MemInfo->MappedPhysicalAddress = Address;
-        MemInfo->MappedLength = SYSMEM_REGION_WINDOW_SIZE;
+        MemInfo->MappedLength = WindowSize;
     }
 
-
     /*
      * Generate a logical pointer corresponding to the address we want to
      * access
diff --git a/sys/contrib/dev/acpica/exresnte.c b/sys/contrib/dev/acpica/exresnte.c
index 3219f73..dfbc5be 100644
--- a/sys/contrib/dev/acpica/exresnte.c
+++ b/sys/contrib/dev/acpica/exresnte.c
@@ -2,7 +2,7 @@
 /******************************************************************************
  *
  * Module Name: exresnte - AML Interpreter object resolution
- *              $Revision: 49 $
+ *              $Revision: 50 $
  *
  *****************************************************************************/
 
@@ -136,7 +136,7 @@
  * FUNCTION:    AcpiExResolveNodeToValue
  *
  * PARAMETERS:  ObjectPtr       - Pointer to a location that contains
- *                                a pointer to a NS node, and will recieve a
+ *                                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
diff --git a/sys/contrib/dev/acpica/nssearch.c b/sys/contrib/dev/acpica/nssearch.c
index 3944ee5..fb01c78 100644
--- a/sys/contrib/dev/acpica/nssearch.c
+++ b/sys/contrib/dev/acpica/nssearch.c
@@ -1,7 +1,7 @@
 /*******************************************************************************
  *
  * Module Name: nssearch - Namespace search
- *              $Revision: 82 $
+ *              $Revision: 83 $
  *
  ******************************************************************************/
 
@@ -220,8 +220,8 @@ AcpiNsSearchNode (
             }
 
             ACPI_DEBUG_PRINT ((ACPI_DB_NAMES,
-                "Name %4.4s (actual type %X) found at %p\n",
-                (char *) &TargetName, NextNode->Type, NextNode));
+                "Name %4.4s Type [%s] found at %p\n",
+                (char *) &TargetName, AcpiUtGetTypeName (NextNode->Type), NextNode));
 
             *ReturnNode = NextNode;
             return_ACPI_STATUS (AE_OK);
diff --git a/sys/contrib/dev/acpica/utdebug.c b/sys/contrib/dev/acpica/utdebug.c
index 16b32a9..bf2116d 100644
--- a/sys/contrib/dev/acpica/utdebug.c
+++ b/sys/contrib/dev/acpica/utdebug.c
@@ -1,7 +1,7 @@
 /******************************************************************************
  *
  * Module Name: utdebug - Debug print routines
- *              $Revision: 95 $
+ *              $Revision: 96 $
  *
  *****************************************************************************/
 
@@ -206,7 +206,7 @@ AcpiUtTrackStackPtr (
  *
  ****************************************************************************/
 
-void
+void  ACPI_INTERNAL_VAR_XFACE
 AcpiUtDebugPrint (
     UINT32                  RequestedDebugLevel,
     UINT32                  LineNumber,
@@ -283,7 +283,7 @@ AcpiUtDebugPrint (
  *
  ****************************************************************************/
 
-void
+void  ACPI_INTERNAL_VAR_XFACE
 AcpiUtDebugPrintRaw (
     UINT32                  RequestedDebugLevel,
     UINT32                  LineNumber,