Check in files off the vendor branch as well as files with local patches.

sys/contrib/dev/acpica/acconfig.h

@@ -1,7 +1,7 @@
 /******************************************************************************
  *
  * Name: acconfig.h - Global configuration constants
- *       $Revision: 149 $
+ *       $Revision: 150 $
  *
  *****************************************************************************/
 
@@ -137,7 +137,7 @@
 
 /* Version string */
 
-#define ACPI_CA_VERSION                 0x20040220
+#define ACPI_CA_VERSION                 0x20040311
 
 /* Maximum objects in the various object caches */
 
@@ -258,6 +258,10 @@
 
 #define ACPI_SMBUS_BUFFER_SIZE          34
 
+/* Number of strings associated with the _OSI reserved method */
+
+#define ACPI_NUM_OSI_STRINGS            4
+
 
 /******************************************************************************
  *

sys/contrib/dev/acpica/acutils.h

@@ -1,7 +1,7 @@
 /******************************************************************************
  *
  * Name: acutils.h -- prototypes for the common (subsystem-wide) procedures
- *       $Revision: 159 $
+ *       $Revision: 160 $
  *
  *****************************************************************************/
 
@@ -125,7 +125,6 @@ ACPI_STATUS (*ACPI_PKG_CALLBACK) (
     ACPI_GENERIC_STATE      *State,
     void                    *Context);
 
-
 ACPI_STATUS
 AcpiUtWalkPackageTree (
     ACPI_OPERAND_OBJECT     *SourceObject,
@@ -133,7 +132,6 @@ AcpiUtWalkPackageTree (
     ACPI_PKG_CALLBACK       WalkCallback,
     void                    *Context);
 
-
 typedef struct acpi_pkg_info
 {
     UINT8                   *FreeSpace;
@@ -549,6 +547,10 @@ AcpiUtDeleteInternalObjectList (
 #define METHOD_NAME__PRS        "_PRS"
 
 
+ACPI_STATUS
+AcpiUtOsiImplementation (
+    ACPI_WALK_STATE         *WalkState);
+
 ACPI_STATUS
 AcpiUtEvaluateObject (
     ACPI_NAMESPACE_NODE     *PrefixNode,

sys/contrib/dev/acpica/psparse.c

@@ -1,7 +1,7 @@
 /******************************************************************************
  *
  * Module Name: psparse - Parser top level AML parse routines
- *              $Revision: 143 $
+ *              $Revision: 144 $
  *
  *****************************************************************************/
 
@@ -522,7 +522,7 @@ AcpiPsParseLoop (
     ACPI_STATUS             Status = AE_OK;
     ACPI_PARSE_OBJECT       *Op = NULL;     /* current op */
     ACPI_PARSE_OBJECT       *Arg = NULL;
-    ACPI_PARSE_OBJECT       PreOp;
+    ACPI_PARSE_OBJECT       *PreOp = NULL;
     ACPI_PARSE_STATE        *ParserState;
     UINT8                   *AmlOpStart = NULL;
 
@@ -654,8 +654,19 @@ AcpiPsParseLoop (
 
             if (WalkState->OpInfo->Flags & AML_NAMED)
             {
-                PreOp.Common.Value.Arg = NULL;
+                /* Allocate a new PreOp if necessary */
-                PreOp.Common.AmlOpcode = WalkState->Opcode;
+
+                if (!PreOp)
+                {
+                    PreOp = AcpiPsAllocOp (WalkState->Opcode);
+                    if (!PreOp)
+                    {
+                        return_ACPI_STATUS (AE_NO_MEMORY);
+                    }
+                }
+
+                PreOp->Common.Value.Arg = NULL;
+                PreOp->Common.AmlOpcode = WalkState->Opcode;
 
                 /*
                  * Get and append arguments until we find the node that contains
@@ -671,7 +682,7 @@ AcpiPsParseLoop (
                         goto CloseThisOp;
                     }
 
-                    AcpiPsAppendArg (&PreOp, Arg);
+                    AcpiPsAppendArg (PreOp, Arg);
                     INCREMENT_ARG_LIST (WalkState->ArgTypes);
                 }
 
@@ -717,7 +728,7 @@ AcpiPsParseLoop (
                     goto CloseThisOp;
                 }
 
-                AcpiPsAppendArg (Op, PreOp.Common.Value.Arg);
+                AcpiPsAppendArg (Op, PreOp->Common.Value.Arg);
                 AcpiGbl_Depth++;
 
                 if (Op->Common.AmlOpcode == AML_REGION_OP)
@@ -993,6 +1004,11 @@ CloseThisOp:
 
         AcpiPsCompleteThisOp (WalkState, Op);
         Op = NULL;
+        if (PreOp)
+        {
+            AcpiPsFreeOp (PreOp);
+            PreOp = NULL;
+        }
 
         switch (Status)
         {
@@ -1285,6 +1301,30 @@ AcpiPsParseAml (
         {
             ACPI_REPORT_METHOD_ERROR ("Method execution failed",
                 WalkState->MethodNode, NULL, Status);
+
+            /* Check for possible multi-thread reentrancy problem */
+
+            if ((Status == AE_ALREADY_EXISTS) &&
+                (!WalkState->MethodDesc->Method.Semaphore))
+            {
+                /*
+                 * This method is marked NotSerialized, but it tried to create a named
+                 * object, causing the second thread entrance to fail.  We will workaround
+                 * this by marking the method permanently as Serialized.
+                 */
+                WalkState->MethodDesc->Method.MethodFlags |= AML_METHOD_SERIALIZED;
+                WalkState->MethodDesc->Method.Concurrency = 1;
+            }
+        }
+
+        if (WalkState->MethodDesc)
+        {
+            /* Decrement the thread count on the method parse tree */
+
+            if (WalkState->MethodDesc->Method.ThreadCount)
+            {
+                WalkState->MethodDesc->Method.ThreadCount--;
+            }
         }
 
         /* We are done with this walk, move on to the parent if any */

sys/contrib/dev/acpica/utglobal.c

@@ -1,7 +1,7 @@
 /******************************************************************************
  *
  * Module Name: utglobal - Global variables for the ACPI subsystem
- *              $Revision: 193 $
+ *              $Revision: 194 $
  *
  *****************************************************************************/
 
@@ -265,6 +265,15 @@ const char                  *AcpiGbl_HighestDstateNames[4] = {
                                 "_S3D",
                                 "_S4D"};
 
+/* Strings supported by the _OSI predefined (internal) method */
+
+const char                  *AcpiGbl_ValidOsiStrings[ACPI_NUM_OSI_STRINGS] = {
+                                "Linux",
+                                "Windows 2000",
+                                "Windows 2001",
+                                "Windows 2001.1"};
+
+
 /******************************************************************************
  *
  * Namespace globals
@@ -275,14 +284,10 @@ const char                  *AcpiGbl_HighestDstateNames[4] = {
 /*
  * 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
+ * 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},
@@ -294,7 +299,7 @@ const ACPI_PREDEFINED_NAMES     AcpiGbl_PreDefinedNames[] =
     {"_OS_",    ACPI_TYPE_STRING,           ACPI_OS_NAME},
     {"_GL_",    ACPI_TYPE_MUTEX,            "0"},
 
-#if defined (ACPI_NO_METHOD_EXECUTION) || defined (ACPI_CONSTANT_EVAL_ONLY)
+#if !defined (ACPI_NO_METHOD_EXECUTION) || defined (ACPI_CONSTANT_EVAL_ONLY)
     {"_OSI",    ACPI_TYPE_METHOD,           "1"},
 #endif
     {NULL,      ACPI_TYPE_ANY,              NULL}              /* Table terminator */
@@ -305,7 +310,6 @@ const ACPI_PREDEFINED_NAMES     AcpiGbl_PreDefinedNames[] =
  * 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              */
@@ -384,10 +388,8 @@ AcpiUtHexToAsciiChar (
  *
  ******************************************************************************/
 
-
 ACPI_TABLE_LIST             AcpiGbl_TableLists[NUM_ACPI_TABLE_TYPES];
 
-
 ACPI_TABLE_SUPPORT          AcpiGbl_TableData[NUM_ACPI_TABLE_TYPES] =
 {
     /***********    Name,   Signature, Global typed pointer     Signature size,      Type                  How many allowed?,    Contains valid AML? */
@@ -551,9 +553,8 @@ AcpiUtGetEventName (
  *
  * 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.
+ * indicate what type is actually going to be stored for this entry.
  */
-
 static const char           AcpiGbl_BadType[] = "UNDEFINED";
 #define TYPE_NAME_LENGTH    12                           /* Maximum length of each string */
 
@@ -858,6 +859,11 @@ AcpiUtInitGlobals (
 
     ACPI_FUNCTION_TRACE ("UtInitGlobals");
 
+    /* Runtime configuration */
+
+    AcpiGbl_CreateOsiMethod = TRUE;
+    AcpiGbl_AllMethodsSerialized = FALSE;
+
     /* Memory allocation and cache lists */
 
     ACPI_MEMSET (AcpiGbl_MemoryLists, 0, sizeof (ACPI_MEMORY_LIST) * ACPI_NUM_MEM_LISTS);