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-rw-r--r--sys/contrib/dev/acpica/common/adwalk.c1027
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diff --git a/sys/contrib/dev/acpica/common/adwalk.c b/sys/contrib/dev/acpica/common/adwalk.c
new file mode 100644
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+++ b/sys/contrib/dev/acpica/common/adwalk.c
@@ -0,0 +1,1027 @@
+/******************************************************************************
+ *
+ * Module Name: adwalk - Application-level disassembler parse tree walk routines
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2013, Intel Corp.
+ * All rights reserved.
+ *
+ * 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, this list of conditions, and the following disclaimer,
+ * without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ * substantially similar to the "NO WARRANTY" disclaimer below
+ * ("Disclaimer") and any redistribution must be conditioned upon
+ * including a substantially similar Disclaimer requirement for further
+ * binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ * of any contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR 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 DAMAGES.
+ */
+
+
+#include <contrib/dev/acpica/include/acpi.h>
+#include <contrib/dev/acpica/include/accommon.h>
+#include <contrib/dev/acpica/include/acparser.h>
+#include <contrib/dev/acpica/include/amlcode.h>
+#include <contrib/dev/acpica/include/acdisasm.h>
+#include <contrib/dev/acpica/include/acdispat.h>
+#include <contrib/dev/acpica/include/acnamesp.h>
+#include <contrib/dev/acpica/include/acapps.h>
+
+
+#define _COMPONENT ACPI_TOOLS
+ ACPI_MODULE_NAME ("adwalk")
+
+/*
+ * aslmap - opcode mappings and reserved method names
+ */
+ACPI_OBJECT_TYPE
+AslMapNamedOpcodeToDataType (
+ UINT16 Opcode);
+
+/* Local prototypes */
+
+static ACPI_STATUS
+AcpiDmFindOrphanDescending (
+ ACPI_PARSE_OBJECT *Op,
+ UINT32 Level,
+ void *Context);
+
+static ACPI_STATUS
+AcpiDmDumpDescending (
+ ACPI_PARSE_OBJECT *Op,
+ UINT32 Level,
+ void *Context);
+
+static ACPI_STATUS
+AcpiDmXrefDescendingOp (
+ ACPI_PARSE_OBJECT *Op,
+ UINT32 Level,
+ void *Context);
+
+static ACPI_STATUS
+AcpiDmCommonAscendingOp (
+ ACPI_PARSE_OBJECT *Op,
+ UINT32 Level,
+ void *Context);
+
+static ACPI_STATUS
+AcpiDmLoadDescendingOp (
+ ACPI_PARSE_OBJECT *Op,
+ UINT32 Level,
+ void *Context);
+
+static UINT32
+AcpiDmInspectPossibleArgs (
+ UINT32 CurrentOpArgCount,
+ UINT32 TargetCount,
+ ACPI_PARSE_OBJECT *Op);
+
+static ACPI_STATUS
+AcpiDmResourceDescendingOp (
+ ACPI_PARSE_OBJECT *Op,
+ UINT32 Level,
+ void *Context);
+
+
+/*******************************************************************************
+ *
+ * FUNCTION: AcpiDmDumpTree
+ *
+ * PARAMETERS: Origin - Starting object
+ *
+ * RETURN: None
+ *
+ * DESCRIPTION: Parse tree walk to format and output the nodes
+ *
+ ******************************************************************************/
+
+void
+AcpiDmDumpTree (
+ ACPI_PARSE_OBJECT *Origin)
+{
+ ACPI_OP_WALK_INFO Info;
+
+
+ if (!Origin)
+ {
+ return;
+ }
+
+ AcpiOsPrintf ("/*\nAML Parse Tree\n\n");
+ Info.Flags = 0;
+ Info.Count = 0;
+ Info.Level = 0;
+ Info.WalkState = NULL;
+ AcpiDmWalkParseTree (Origin, AcpiDmDumpDescending, NULL, &Info);
+ AcpiOsPrintf ("*/\n\n");
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION: AcpiDmFindOrphanMethods
+ *
+ * PARAMETERS: Origin - Starting object
+ *
+ * RETURN: None
+ *
+ * DESCRIPTION: Parse tree walk to find "orphaned" method invocations -- methods
+ * that are not resolved in the namespace
+ *
+ ******************************************************************************/
+
+void
+AcpiDmFindOrphanMethods (
+ ACPI_PARSE_OBJECT *Origin)
+{
+ ACPI_OP_WALK_INFO Info;
+
+
+ if (!Origin)
+ {
+ return;
+ }
+
+ Info.Flags = 0;
+ Info.Level = 0;
+ Info.WalkState = NULL;
+ AcpiDmWalkParseTree (Origin, AcpiDmFindOrphanDescending, NULL, &Info);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION: AcpiDmFinishNamespaceLoad
+ *
+ * PARAMETERS: ParseTreeRoot - Root of the parse tree
+ * NamespaceRoot - Root of the internal namespace
+ * OwnerId - OwnerId of the table to be disassembled
+ *
+ * RETURN: None
+ *
+ * DESCRIPTION: Load all namespace items that are created within control
+ * methods. Used before namespace cross reference
+ *
+ ******************************************************************************/
+
+void
+AcpiDmFinishNamespaceLoad (
+ ACPI_PARSE_OBJECT *ParseTreeRoot,
+ ACPI_NAMESPACE_NODE *NamespaceRoot,
+ ACPI_OWNER_ID OwnerId)
+{
+ ACPI_STATUS Status;
+ ACPI_OP_WALK_INFO Info;
+ ACPI_WALK_STATE *WalkState;
+
+
+ if (!ParseTreeRoot)
+ {
+ return;
+ }
+
+ /* Create and initialize a new walk state */
+
+ WalkState = AcpiDsCreateWalkState (OwnerId, ParseTreeRoot, NULL, NULL);
+ if (!WalkState)
+ {
+ return;
+ }
+
+ Status = AcpiDsScopeStackPush (NamespaceRoot, NamespaceRoot->Type, WalkState);
+ if (ACPI_FAILURE (Status))
+ {
+ return;
+ }
+
+ Info.Flags = 0;
+ Info.Level = 0;
+ Info.WalkState = WalkState;
+ AcpiDmWalkParseTree (ParseTreeRoot, AcpiDmLoadDescendingOp,
+ AcpiDmCommonAscendingOp, &Info);
+ ACPI_FREE (WalkState);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION: AcpiDmCrossReferenceNamespace
+ *
+ * PARAMETERS: ParseTreeRoot - Root of the parse tree
+ * NamespaceRoot - Root of the internal namespace
+ * OwnerId - OwnerId of the table to be disassembled
+ *
+ * RETURN: None
+ *
+ * DESCRIPTION: Cross reference the namespace to create externals
+ *
+ ******************************************************************************/
+
+void
+AcpiDmCrossReferenceNamespace (
+ ACPI_PARSE_OBJECT *ParseTreeRoot,
+ ACPI_NAMESPACE_NODE *NamespaceRoot,
+ ACPI_OWNER_ID OwnerId)
+{
+ ACPI_STATUS Status;
+ ACPI_OP_WALK_INFO Info;
+ ACPI_WALK_STATE *WalkState;
+
+
+ if (!ParseTreeRoot)
+ {
+ return;
+ }
+
+ /* Create and initialize a new walk state */
+
+ WalkState = AcpiDsCreateWalkState (OwnerId, ParseTreeRoot, NULL, NULL);
+ if (!WalkState)
+ {
+ return;
+ }
+
+ Status = AcpiDsScopeStackPush (NamespaceRoot, NamespaceRoot->Type, WalkState);
+ if (ACPI_FAILURE (Status))
+ {
+ return;
+ }
+
+ Info.Flags = 0;
+ Info.Level = 0;
+ Info.WalkState = WalkState;
+ AcpiDmWalkParseTree (ParseTreeRoot, AcpiDmXrefDescendingOp,
+ AcpiDmCommonAscendingOp, &Info);
+ ACPI_FREE (WalkState);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION: AcpiDmConvertResourceIndexes
+ *
+ * PARAMETERS: ParseTreeRoot - Root of the parse tree
+ * NamespaceRoot - Root of the internal namespace
+ *
+ * RETURN: None
+ *
+ * DESCRIPTION: Convert fixed-offset references to resource descriptors to
+ * symbolic references. Should only be called after namespace has
+ * been cross referenced.
+ *
+ ******************************************************************************/
+
+void
+AcpiDmConvertResourceIndexes (
+ ACPI_PARSE_OBJECT *ParseTreeRoot,
+ ACPI_NAMESPACE_NODE *NamespaceRoot)
+{
+ ACPI_STATUS Status;
+ ACPI_OP_WALK_INFO Info;
+ ACPI_WALK_STATE *WalkState;
+
+
+ if (!ParseTreeRoot)
+ {
+ return;
+ }
+
+ /* Create and initialize a new walk state */
+
+ WalkState = AcpiDsCreateWalkState (0, ParseTreeRoot, NULL, NULL);
+ if (!WalkState)
+ {
+ return;
+ }
+
+ Status = AcpiDsScopeStackPush (NamespaceRoot, NamespaceRoot->Type, WalkState);
+ if (ACPI_FAILURE (Status))
+ {
+ return;
+ }
+
+ Info.Flags = 0;
+ Info.Level = 0;
+ Info.WalkState = WalkState;
+ AcpiDmWalkParseTree (ParseTreeRoot, AcpiDmResourceDescendingOp,
+ AcpiDmCommonAscendingOp, &Info);
+ ACPI_FREE (WalkState);
+ return;
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION: AcpiDmDumpDescending
+ *
+ * PARAMETERS: ASL_WALK_CALLBACK
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Format and print contents of one parse Op.
+ *
+ ******************************************************************************/
+
+static ACPI_STATUS
+AcpiDmDumpDescending (
+ ACPI_PARSE_OBJECT *Op,
+ UINT32 Level,
+ void *Context)
+{
+ ACPI_OP_WALK_INFO *Info = Context;
+ char *Path;
+
+
+ if (!Op)
+ {
+ return (AE_OK);
+ }
+
+ /* Most of the information (count, level, name) here */
+
+ Info->Count++;
+ AcpiOsPrintf ("% 5d [%2.2d] ", Info->Count, Level);
+ AcpiDmIndent (Level);
+ AcpiOsPrintf ("%-28s", AcpiPsGetOpcodeName (Op->Common.AmlOpcode));
+
+ /* Extra info is helpful */
+
+ switch (Op->Common.AmlOpcode)
+ {
+ case AML_BYTE_OP:
+ case AML_WORD_OP:
+ case AML_DWORD_OP:
+
+ AcpiOsPrintf ("%X", (UINT32) Op->Common.Value.Integer);
+ break;
+
+ case AML_QWORD_OP:
+
+ AcpiOsPrintf ("%8.8X%8.8X", ACPI_FORMAT_UINT64 (Op->Common.Value.Integer));
+ break;
+
+ case AML_INT_NAMEPATH_OP:
+
+ if (Op->Common.Value.String)
+ {
+ AcpiNsExternalizeName (ACPI_UINT32_MAX, Op->Common.Value.String,
+ NULL, &Path);
+ AcpiOsPrintf ("%s %p", Path, Op->Common.Node);
+ ACPI_FREE (Path);
+ }
+ else
+ {
+ AcpiOsPrintf ("[NULL]");
+ }
+ break;
+
+ case AML_NAME_OP:
+ case AML_METHOD_OP:
+ case AML_DEVICE_OP:
+ case AML_INT_NAMEDFIELD_OP:
+
+ AcpiOsPrintf ("%4.4s", ACPI_CAST_PTR (char, &Op->Named.Name));
+ break;
+
+ default:
+
+ break;
+ }
+
+ AcpiOsPrintf ("\n");
+ return (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION: AcpiDmFindOrphanDescending
+ *
+ * PARAMETERS: ASL_WALK_CALLBACK
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Check namepath Ops for orphaned method invocations
+ *
+ * Note: Experimental.
+ *
+ ******************************************************************************/
+
+static ACPI_STATUS
+AcpiDmFindOrphanDescending (
+ ACPI_PARSE_OBJECT *Op,
+ UINT32 Level,
+ void *Context)
+{
+ const ACPI_OPCODE_INFO *OpInfo;
+ ACPI_PARSE_OBJECT *ChildOp;
+ ACPI_PARSE_OBJECT *NextOp;
+ ACPI_PARSE_OBJECT *ParentOp;
+ UINT32 ArgCount;
+
+
+ if (!Op)
+ {
+ return (AE_OK);
+ }
+
+ OpInfo = AcpiPsGetOpcodeInfo (Op->Common.AmlOpcode);
+
+ switch (Op->Common.AmlOpcode)
+ {
+#ifdef ACPI_UNDER_DEVELOPMENT
+ case AML_ADD_OP:
+
+ ChildOp = Op->Common.Value.Arg;
+ if ((ChildOp->Common.AmlOpcode == AML_INT_NAMEPATH_OP) &&
+ !ChildOp->Common.Node)
+ {
+ AcpiNsExternalizeName (ACPI_UINT32_MAX, ChildOp->Common.Value.String,
+ NULL, &Path);
+ AcpiOsPrintf ("/* %-16s A-NAMEPATH: %s */\n", Op->Common.AmlOpName, Path);
+ ACPI_FREE (Path);
+
+ NextOp = Op->Common.Next;
+ if (!NextOp)
+ {
+ /* This NamePath has no args, assume it is an integer */
+
+ AcpiDmAddToExternalList (ChildOp, ChildOp->Common.Value.String, ACPI_TYPE_INTEGER, 0);
+ return (AE_OK);
+ }
+
+ ArgCount = AcpiDmInspectPossibleArgs (3, 1, NextOp);
+ AcpiOsPrintf ("/* A-CHILDREN: %u Actual %u */\n", ArgCount, AcpiDmCountChildren (Op));
+
+ if (ArgCount < 1)
+ {
+ /* One Arg means this is just a Store(Name,Target) */
+
+ AcpiDmAddToExternalList (ChildOp, ChildOp->Common.Value.String, ACPI_TYPE_INTEGER, 0);
+ return (AE_OK);
+ }
+
+ AcpiDmAddToExternalList (ChildOp, ChildOp->Common.Value.String, ACPI_TYPE_METHOD, ArgCount);
+ }
+ break;
+#endif
+
+ case AML_STORE_OP:
+
+ ChildOp = Op->Common.Value.Arg;
+ if ((ChildOp->Common.AmlOpcode == AML_INT_NAMEPATH_OP) &&
+ !ChildOp->Common.Node)
+ {
+ NextOp = Op->Common.Next;
+ if (!NextOp)
+ {
+ /* This NamePath has no args, assume it is an integer */
+
+ AcpiDmAddToExternalList (ChildOp, ChildOp->Common.Value.String, ACPI_TYPE_INTEGER, 0);
+ return (AE_OK);
+ }
+
+ ArgCount = AcpiDmInspectPossibleArgs (2, 1, NextOp);
+ if (ArgCount <= 1)
+ {
+ /* One Arg means this is just a Store(Name,Target) */
+
+ AcpiDmAddToExternalList (ChildOp, ChildOp->Common.Value.String, ACPI_TYPE_INTEGER, 0);
+ return (AE_OK);
+ }
+
+ AcpiDmAddToExternalList (ChildOp, ChildOp->Common.Value.String, ACPI_TYPE_METHOD, ArgCount);
+ }
+ break;
+
+ case AML_INT_NAMEPATH_OP:
+
+ /* Must examine parent to see if this namepath is an argument */
+
+ ParentOp = Op->Common.Parent;
+ OpInfo = AcpiPsGetOpcodeInfo (ParentOp->Common.AmlOpcode);
+
+ if ((OpInfo->Class != AML_CLASS_EXECUTE) &&
+ (OpInfo->Class != AML_CLASS_CREATE) &&
+ (OpInfo->ObjectType != ACPI_TYPE_LOCAL_ALIAS) &&
+ (ParentOp->Common.AmlOpcode != AML_INT_METHODCALL_OP) &&
+ !Op->Common.Node)
+ {
+ ArgCount = AcpiDmInspectPossibleArgs (0, 0, Op->Common.Next);
+
+ /*
+ * Check if namepath is a predicate for if/while or lone parameter to
+ * a return.
+ */
+ if (ArgCount == 0)
+ {
+ if (((ParentOp->Common.AmlOpcode == AML_IF_OP) ||
+ (ParentOp->Common.AmlOpcode == AML_WHILE_OP) ||
+ (ParentOp->Common.AmlOpcode == AML_RETURN_OP)) &&
+
+ /* And namepath is the first argument */
+ (ParentOp->Common.Value.Arg == Op))
+ {
+ AcpiDmAddToExternalList (Op, Op->Common.Value.String, ACPI_TYPE_INTEGER, 0);
+ break;
+ }
+ }
+
+ /*
+ * This is a standalone namestring (not a parameter to another
+ * operator) - it *must* be a method invocation, nothing else is
+ * grammatically possible.
+ */
+ AcpiDmAddToExternalList (Op, Op->Common.Value.String, ACPI_TYPE_METHOD, ArgCount);
+
+ }
+ break;
+
+ default:
+
+ break;
+ }
+
+ return (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION: AcpiDmLoadDescendingOp
+ *
+ * PARAMETERS: ASL_WALK_CALLBACK
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Descending handler for namespace control method object load
+ *
+ ******************************************************************************/
+
+static ACPI_STATUS
+AcpiDmLoadDescendingOp (
+ ACPI_PARSE_OBJECT *Op,
+ UINT32 Level,
+ void *Context)
+{
+ ACPI_OP_WALK_INFO *Info = Context;
+ const ACPI_OPCODE_INFO *OpInfo;
+ ACPI_WALK_STATE *WalkState;
+ ACPI_OBJECT_TYPE ObjectType;
+ ACPI_STATUS Status;
+ char *Path = NULL;
+ ACPI_PARSE_OBJECT *NextOp;
+ ACPI_NAMESPACE_NODE *Node;
+ char FieldPath[5];
+ BOOLEAN PreDefined = FALSE;
+ UINT8 PreDefineIndex = 0;
+
+
+ WalkState = Info->WalkState;
+ OpInfo = AcpiPsGetOpcodeInfo (Op->Common.AmlOpcode);
+ ObjectType = OpInfo->ObjectType;
+ ObjectType = AslMapNamedOpcodeToDataType (Op->Asl.AmlOpcode);
+
+ /* Only interested in operators that create new names */
+
+ if (!(OpInfo->Flags & AML_NAMED) &&
+ !(OpInfo->Flags & AML_CREATE))
+ {
+ goto Exit;
+ }
+
+ /* Get the NamePath from the appropriate place */
+
+ if (OpInfo->Flags & AML_NAMED)
+ {
+ /* For all named operators, get the new name */
+
+ Path = (char *) Op->Named.Path;
+
+ if (!Path && Op->Common.AmlOpcode == AML_INT_NAMEDFIELD_OP)
+ {
+ *ACPI_CAST_PTR (UINT32, &FieldPath[0]) = Op->Named.Name;
+ FieldPath[4] = 0;
+ Path = FieldPath;
+ }
+ }
+ else if (OpInfo->Flags & AML_CREATE)
+ {
+ /* New name is the last child */
+
+ NextOp = Op->Common.Value.Arg;
+
+ while (NextOp->Common.Next)
+ {
+ NextOp = NextOp->Common.Next;
+ }
+ Path = NextOp->Common.Value.String;
+ }
+
+ if (!Path)
+ {
+ goto Exit;
+ }
+
+ /* Insert the name into the namespace */
+
+ Status = AcpiNsLookup (WalkState->ScopeInfo, Path, ObjectType,
+ ACPI_IMODE_LOAD_PASS2, ACPI_NS_DONT_OPEN_SCOPE,
+ WalkState, &Node);
+
+ Op->Common.Node = Node;
+
+ if (ACPI_SUCCESS (Status))
+ {
+ /* Check if it's a predefined node */
+
+ while (AcpiGbl_PreDefinedNames[PreDefineIndex].Name)
+ {
+ if (ACPI_COMPARE_NAME (Node->Name.Ascii,
+ AcpiGbl_PreDefinedNames[PreDefineIndex].Name))
+ {
+ PreDefined = TRUE;
+ break;
+ }
+
+ PreDefineIndex++;
+ }
+
+ /*
+ * Set node owner id if it satisfies all the following conditions:
+ * 1) Not a predefined node, _SB_ etc
+ * 2) Not the root node
+ * 3) Not a node created by Scope
+ */
+
+ if (!PreDefined && Node != AcpiGbl_RootNode &&
+ Op->Common.AmlOpcode != AML_SCOPE_OP)
+ {
+ Node->OwnerId = WalkState->OwnerId;
+ }
+ }
+
+
+Exit:
+
+ if (AcpiNsOpensScope (ObjectType))
+ {
+ if (Op->Common.Node)
+ {
+ Status = AcpiDsScopeStackPush (Op->Common.Node, ObjectType, WalkState);
+ if (ACPI_FAILURE (Status))
+ {
+ return (Status);
+ }
+ }
+ }
+
+ return (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION: AcpiDmXrefDescendingOp
+ *
+ * PARAMETERS: ASL_WALK_CALLBACK
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Descending handler for namespace cross reference
+ *
+ ******************************************************************************/
+
+static ACPI_STATUS
+AcpiDmXrefDescendingOp (
+ ACPI_PARSE_OBJECT *Op,
+ UINT32 Level,
+ void *Context)
+{
+ ACPI_OP_WALK_INFO *Info = Context;
+ const ACPI_OPCODE_INFO *OpInfo;
+ ACPI_WALK_STATE *WalkState;
+ ACPI_OBJECT_TYPE ObjectType;
+ ACPI_OBJECT_TYPE ObjectType2;
+ ACPI_STATUS Status;
+ char *Path = NULL;
+ ACPI_PARSE_OBJECT *NextOp;
+ ACPI_NAMESPACE_NODE *Node;
+ ACPI_OPERAND_OBJECT *Object;
+ UINT32 ParamCount = 0;
+
+
+ WalkState = Info->WalkState;
+ OpInfo = AcpiPsGetOpcodeInfo (Op->Common.AmlOpcode);
+ ObjectType = OpInfo->ObjectType;
+ ObjectType = AslMapNamedOpcodeToDataType (Op->Asl.AmlOpcode);
+
+ if ((!(OpInfo->Flags & AML_NAMED)) &&
+ (!(OpInfo->Flags & AML_CREATE)) &&
+ (Op->Common.AmlOpcode != AML_INT_NAMEPATH_OP))
+ {
+ goto Exit;
+ }
+
+ /* Get the NamePath from the appropriate place */
+
+ if (OpInfo->Flags & AML_NAMED)
+ {
+ /*
+ * Only these two operators (Alias, Scope) refer to an existing
+ * name, it is the first argument
+ */
+ if (Op->Common.AmlOpcode == AML_ALIAS_OP)
+ {
+ ObjectType = ACPI_TYPE_ANY;
+
+ NextOp = Op->Common.Value.Arg;
+ NextOp = NextOp->Common.Value.Arg;
+ if (NextOp->Common.AmlOpcode == AML_INT_NAMEPATH_OP)
+ {
+ Path = NextOp->Common.Value.String;
+ }
+ }
+ else if (Op->Common.AmlOpcode == AML_SCOPE_OP)
+ {
+ Path = (char *) Op->Named.Path;
+ }
+ }
+ else if (OpInfo->Flags & AML_CREATE)
+ {
+ /* Referenced Buffer Name is the first child */
+
+ ObjectType = ACPI_TYPE_BUFFER; /* Change from TYPE_BUFFER_FIELD */
+
+ NextOp = Op->Common.Value.Arg;
+ if (NextOp->Common.AmlOpcode == AML_INT_NAMEPATH_OP)
+ {
+ Path = NextOp->Common.Value.String;
+ }
+ }
+ else
+ {
+ Path = Op->Common.Value.String;
+ }
+
+ if (!Path)
+ {
+ goto Exit;
+ }
+
+ /*
+ * Lookup the name in the namespace. Name must exist at this point, or it
+ * is an invalid reference.
+ *
+ * The namespace is also used as a lookup table for references to resource
+ * descriptors and the fields within them.
+ */
+ Status = AcpiNsLookup (WalkState->ScopeInfo, Path, ACPI_TYPE_ANY,
+ ACPI_IMODE_EXECUTE, ACPI_NS_SEARCH_PARENT | ACPI_NS_DONT_OPEN_SCOPE,
+ WalkState, &Node);
+ if (ACPI_SUCCESS (Status) && (Node->Flags & ANOBJ_IS_EXTERNAL))
+ {
+ Status = AE_NOT_FOUND;
+ }
+
+ if (ACPI_FAILURE (Status))
+ {
+ if (Status == AE_NOT_FOUND)
+ {
+ AcpiDmAddToExternalList (Op, Path, (UINT8) ObjectType, 0);
+
+ /*
+ * We could install this into the namespace, but we catch duplicate
+ * externals when they are added to the list.
+ */
+#if 0
+ Status = AcpiNsLookup (WalkState->ScopeInfo, Path, ACPI_TYPE_ANY,
+ ACPI_IMODE_LOAD_PASS1, ACPI_NS_DONT_OPEN_SCOPE,
+ WalkState, &Node);
+#endif
+ }
+ }
+
+ /*
+ * Found the node in external table, add it to external list
+ * Node->OwnerId == 0 indicates built-in ACPI Names, _OS_ etc
+ */
+ else if (Node->OwnerId && WalkState->OwnerId != Node->OwnerId)
+ {
+ ObjectType2 = ObjectType;
+
+ Object = AcpiNsGetAttachedObject (Node);
+ if (Object)
+ {
+ ObjectType2 = Object->Common.Type;
+ if (ObjectType2 == ACPI_TYPE_METHOD)
+ {
+ ParamCount = Object->Method.ParamCount;
+ }
+ }
+
+ AcpiDmAddToExternalList (Op, Path, (UINT8) ObjectType2, ParamCount | 0x80);
+ Op->Common.Node = Node;
+ }
+ else
+ {
+ Op->Common.Node = Node;
+ }
+
+
+Exit:
+ /* Open new scope if necessary */
+
+ if (AcpiNsOpensScope (ObjectType))
+ {
+ if (Op->Common.Node)
+ {
+ Status = AcpiDsScopeStackPush (Op->Common.Node, ObjectType, WalkState);
+ if (ACPI_FAILURE (Status))
+ {
+ return (Status);
+ }
+ }
+ }
+
+ return (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION: AcpiDmResourceDescendingOp
+ *
+ * PARAMETERS: ASL_WALK_CALLBACK
+ *
+ * RETURN: None
+ *
+ * DESCRIPTION: Process one parse op during symbolic resource index conversion.
+ *
+ ******************************************************************************/
+
+static ACPI_STATUS
+AcpiDmResourceDescendingOp (
+ ACPI_PARSE_OBJECT *Op,
+ UINT32 Level,
+ void *Context)
+{
+ ACPI_OP_WALK_INFO *Info = Context;
+ const ACPI_OPCODE_INFO *OpInfo;
+ ACPI_WALK_STATE *WalkState;
+ ACPI_OBJECT_TYPE ObjectType;
+ ACPI_STATUS Status;
+
+
+ WalkState = Info->WalkState;
+ OpInfo = AcpiPsGetOpcodeInfo (Op->Common.AmlOpcode);
+
+ /* Open new scope if necessary */
+
+ ObjectType = OpInfo->ObjectType;
+ if (AcpiNsOpensScope (ObjectType))
+ {
+ if (Op->Common.Node)
+ {
+
+ Status = AcpiDsScopeStackPush (Op->Common.Node, ObjectType, WalkState);
+ if (ACPI_FAILURE (Status))
+ {
+ return (Status);
+ }
+ }
+ }
+
+ /*
+ * Check if this operator contains a reference to a resource descriptor.
+ * If so, convert the reference into a symbolic reference.
+ */
+ AcpiDmCheckResourceReference (Op, WalkState);
+ return (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION: AcpiDmCommonAscendingOp
+ *
+ * PARAMETERS: ASL_WALK_CALLBACK
+ *
+ * RETURN: None
+ *
+ * DESCRIPTION: Ascending handler for combined parse/namespace walks. Closes
+ * scope if necessary.
+ *
+ ******************************************************************************/
+
+static ACPI_STATUS
+AcpiDmCommonAscendingOp (
+ ACPI_PARSE_OBJECT *Op,
+ UINT32 Level,
+ void *Context)
+{
+ ACPI_OP_WALK_INFO *Info = Context;
+ const ACPI_OPCODE_INFO *OpInfo;
+ ACPI_OBJECT_TYPE ObjectType;
+
+
+ /* Close scope if necessary */
+
+ OpInfo = AcpiPsGetOpcodeInfo (Op->Common.AmlOpcode);
+ ObjectType = OpInfo->ObjectType;
+ ObjectType = AslMapNamedOpcodeToDataType (Op->Asl.AmlOpcode);
+
+ if (AcpiNsOpensScope (ObjectType))
+ {
+ (void) AcpiDsScopeStackPop (Info->WalkState);
+ }
+
+ return (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION: AcpiDmInspectPossibleArgs
+ *
+ * PARAMETERS: CurrentOpArgCount - Which arg of the current op was the
+ * possible method invocation found
+ * TargetCount - Number of targets (0,1,2) for this op
+ * Op - Parse op
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Examine following args and next ops for possible arguments
+ * for an unrecognized method invocation.
+ *
+ ******************************************************************************/
+
+static UINT32
+AcpiDmInspectPossibleArgs (
+ UINT32 CurrentOpArgCount,
+ UINT32 TargetCount,
+ ACPI_PARSE_OBJECT *Op)
+{
+ const ACPI_OPCODE_INFO *OpInfo;
+ UINT32 i;
+ UINT32 Last = 0;
+ UINT32 Lookahead;
+
+
+ Lookahead = (ACPI_METHOD_NUM_ARGS + TargetCount) - CurrentOpArgCount;
+
+ /* Lookahead for the maximum number of possible arguments */
+
+ for (i = 0; i < Lookahead; i++)
+ {
+ if (!Op)
+ {
+ break;
+ }
+
+ OpInfo = AcpiPsGetOpcodeInfo (Op->Common.AmlOpcode);
+
+ /*
+ * Any one of these operators is "very probably" not a method arg
+ */
+ if ((Op->Common.AmlOpcode == AML_STORE_OP) ||
+ (Op->Common.AmlOpcode == AML_NOTIFY_OP))
+ {
+ break;
+ }
+
+ if ((OpInfo->Class != AML_CLASS_EXECUTE) &&
+ (OpInfo->Class != AML_CLASS_CONTROL))
+ {
+ Last = i+1;
+ }
+
+ Op = Op->Common.Next;
+ }
+
+ return (Last);
+}
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