| 0,0 → 1,1076 |
|---|
| /****************************************************************************** |
| * |
| * Module Name: adwalk - Application-level disassembler parse tree walk routines |
| * |
| *****************************************************************************/ |
| |
| /****************************************************************************** |
| * |
| * 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. |
| * |
| *****************************************************************************/ |
| |
| |
| #include "acpi.h" |
| #include "accommon.h" |
| #include "acparser.h" |
| #include "amlcode.h" |
| #include "acdisasm.h" |
| #include "acdispat.h" |
| #include "acnamesp.h" |
| #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_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) && |
| (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_STRNCMP (Node->Name.Ascii, |
| AcpiGbl_PreDefinedNames[PreDefineIndex].Name, 4)) |
| { |
| 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; |
| |
| |
| 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) |
| { |
| if ((Op->Common.AmlOpcode == AML_ALIAS_OP) || |
| (Op->Common.AmlOpcode == AML_SCOPE_OP)) |
| { |
| /* |
| * Only these two operators refer to an existing name, |
| * first argument |
| */ |
| Path = (char *) Op->Named.Path; |
| } |
| } |
| else if (OpInfo->Flags & AML_CREATE) |
| { |
| /* Referenced Buffer Name is the first child */ |
| |
| 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_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) |
| { |
| AcpiDmAddToExternalList (Op, Path, ACPI_TYPE_METHOD, |
| Object->Method.ParamCount); |
| } |
| else |
| { |
| AcpiDmAddToExternalList (Op, Path, (UINT8) ObjectType2, 0); |
| } |
| |
| 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); |
| } |
| |
| |