/****************************************************************************** * * Module Name: adisasm - Application-level disassembler routines * *****************************************************************************/ /****************************************************************************** * * 1. Copyright Notice * * Some or all of this work - Copyright (c) 1999 - 2011, 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 "acdebug.h" #include "acdisasm.h" #include "acdispat.h" #include "acnamesp.h" #include "actables.h" #include "acapps.h" #include <stdio.h> #include <time.h> #define _COMPONENT ACPI_TOOLS ACPI_MODULE_NAME ("adisasm") extern int AslCompilerdebug; ACPI_STATUS LsDisplayNamespace ( void); void LsSetupNsList ( void *Handle); /* Local prototypes */ static void AdCreateTableHeader ( char *Filename, ACPI_TABLE_HEADER *Table); static ACPI_STATUS AdDeferredParse ( ACPI_PARSE_OBJECT *Op, UINT8 *Aml, UINT32 AmlLength); static ACPI_STATUS AdParseDeferredOps ( ACPI_PARSE_OBJECT *Root); /* Stubs for ASL compiler */ #ifndef ACPI_ASL_COMPILER BOOLEAN AcpiDsIsResultUsed ( ACPI_PARSE_OBJECT *Op, ACPI_WALK_STATE *WalkState) { return TRUE; } ACPI_STATUS AcpiDsMethodError ( ACPI_STATUS Status, ACPI_WALK_STATE *WalkState) { return (Status); } #endif ACPI_STATUS AcpiNsLoadTable ( UINT32 TableIndex, ACPI_NAMESPACE_NODE *Node) { return (AE_NOT_IMPLEMENTED); } ACPI_STATUS AcpiDsRestartControlMethod ( ACPI_WALK_STATE *WalkState, ACPI_OPERAND_OBJECT *ReturnDesc) { return (AE_OK); } void AcpiDsTerminateControlMethod ( ACPI_OPERAND_OBJECT *MethodDesc, ACPI_WALK_STATE *WalkState) { return; } ACPI_STATUS AcpiDsCallControlMethod ( ACPI_THREAD_STATE *Thread, ACPI_WALK_STATE *WalkState, ACPI_PARSE_OBJECT *Op) { return (AE_OK); } ACPI_STATUS AcpiDsMethodDataInitArgs ( ACPI_OPERAND_OBJECT **Params, UINT32 MaxParamCount, ACPI_WALK_STATE *WalkState) { return (AE_OK); } static ACPI_TABLE_DESC LocalTables[1]; static ACPI_PARSE_OBJECT *AcpiGbl_ParseOpRoot; /******************************************************************************* * * FUNCTION: AdInitialize * * PARAMETERS: None * * RETURN: Status * * DESCRIPTION: ACPICA and local initialization * ******************************************************************************/ ACPI_STATUS AdInitialize ( void) { ACPI_STATUS Status; /* ACPI CA subsystem initialization */ Status = AcpiOsInitialize (); if (ACPI_FAILURE (Status)) { return (Status); } Status = AcpiUtInitGlobals (); if (ACPI_FAILURE (Status)) { return (Status); } Status = AcpiUtMutexInitialize (); if (ACPI_FAILURE (Status)) { return (Status); } Status = AcpiNsRootInitialize (); if (ACPI_FAILURE (Status)) { return (Status); } /* Setup the Table Manager (cheat - there is no RSDT) */ AcpiGbl_RootTableList.MaxTableCount = 1; AcpiGbl_RootTableList.CurrentTableCount = 0; AcpiGbl_RootTableList.Tables = LocalTables; return (Status); } /****************************************************************************** * * FUNCTION: AdAmlDisassemble * * PARAMETERS: Filename - AML input filename * OutToFile - TRUE if output should go to a file * Prefix - Path prefix for output * OutFilename - where the filename is returned * GetAllTables - TRUE if all tables are desired * * RETURN: Status * * DESCRIPTION: Disassemble an entire ACPI table * *****************************************************************************/ ACPI_STATUS AdAmlDisassemble ( BOOLEAN OutToFile, char *Filename, char *Prefix, char **OutFilename, BOOLEAN GetAllTables) { ACPI_STATUS Status; char *DisasmFilename = NULL; char *ExternalFilename; ACPI_EXTERNAL_FILE *ExternalFileList = AcpiGbl_ExternalFileList; FILE *File = NULL; ACPI_TABLE_HEADER *Table = NULL; ACPI_TABLE_HEADER *ExternalTable; ACPI_OWNER_ID OwnerId; /* * Input: AML code from either a file or via GetTables (memory or * registry) */ if (Filename) { Status = AcpiDbGetTableFromFile (Filename, &Table); if (ACPI_FAILURE (Status)) { return Status; } /* * External filenames separated by commas * Example: iasl -e file1,file2,file3 -d xxx.aml */ while (ExternalFileList) { ExternalFilename = ExternalFileList->Path; if (!ACPI_STRCMP (ExternalFilename, Filename)) { /* Next external file */ ExternalFileList = ExternalFileList->Next; continue; } Status = AcpiDbGetTableFromFile (ExternalFilename, &ExternalTable); if (ACPI_FAILURE (Status)) { return Status; } /* Load external table for symbol resolution */ if (ExternalTable) { Status = AdParseTable (ExternalTable, &OwnerId, TRUE, TRUE); if (ACPI_FAILURE (Status)) { AcpiOsPrintf ("Could not parse external ACPI tables, %s\n", AcpiFormatException (Status)); return Status; } /* * Load namespace from names created within control methods * Set owner id of nodes in external table */ AcpiDmFinishNamespaceLoad (AcpiGbl_ParseOpRoot, AcpiGbl_RootNode, OwnerId); AcpiPsDeleteParseTree (AcpiGbl_ParseOpRoot); } /* Next external file */ ExternalFileList = ExternalFileList->Next; } /* Clear external list generated by Scope in external tables */ if (AcpiGbl_ExternalFileList) { AcpiDmClearExternalList (); } } else { Status = AdGetLocalTables (Filename, GetAllTables); if (ACPI_FAILURE (Status)) { AcpiOsPrintf ("Could not get ACPI tables, %s\n", AcpiFormatException (Status)); return Status; } if (!AcpiGbl_DbOpt_disasm) { return AE_OK; } /* Obtained the local tables, just disassemble the DSDT */ Status = AcpiGetTable (ACPI_SIG_DSDT, 0, &Table); if (ACPI_FAILURE (Status)) { AcpiOsPrintf ("Could not get DSDT, %s\n", AcpiFormatException (Status)); return Status; } AcpiOsPrintf ("\nDisassembly of DSDT\n"); Prefix = AdGenerateFilename ("dsdt", Table->OemTableId); } /* * Output: ASL code. Redirect to a file if requested */ if (OutToFile) { /* Create/Open a disassembly output file */ DisasmFilename = FlGenerateFilename (Prefix, FILE_SUFFIX_DISASSEMBLY); if (!OutFilename) { fprintf (stderr, "Could not generate output filename\n"); Status = AE_ERROR; goto Cleanup; } File = fopen (DisasmFilename, "w+"); if (!File) { fprintf (stderr, "Could not open output file %s\n", DisasmFilename); Status = AE_ERROR; goto Cleanup; } AcpiOsRedirectOutput (File); } *OutFilename = DisasmFilename; if (!AcpiUtIsAmlTable (Table)) { AdDisassemblerHeader (Filename); AcpiOsPrintf (" * ACPI Data Table [%4.4s]\n *\n", Table->Signature); AcpiOsPrintf (" * Format: [HexOffset DecimalOffset ByteLength] FieldName : FieldValue\n */\n\n"); AcpiDmDumpDataTable (Table); fprintf (stderr, "Acpi Data Table [%4.4s] decoded, written to \"%s\"\n", Table->Signature, DisasmFilename); } else { /* Always parse the tables, only option is what to display */ Status = AdParseTable (Table, &OwnerId, TRUE, FALSE); if (ACPI_FAILURE (Status)) { AcpiOsPrintf ("Could not parse ACPI tables, %s\n", AcpiFormatException (Status)); goto Cleanup; } if (AslCompilerdebug) { AcpiOsPrintf ("/**** Before second load\n"); LsSetupNsList (File); LsDisplayNamespace (); AcpiOsPrintf ("*****/\n"); } /* * Load namespace from names created within control methods */ AcpiDmFinishNamespaceLoad (AcpiGbl_ParseOpRoot, AcpiGbl_RootNode, OwnerId); /* * Cross reference the namespace here, in order to generate External() statements */ AcpiDmCrossReferenceNamespace (AcpiGbl_ParseOpRoot, AcpiGbl_RootNode, OwnerId); if (AslCompilerdebug) { AcpiDmDumpTree (AcpiGbl_ParseOpRoot); } /* Find possible calls to external control methods */ AcpiDmFindOrphanMethods (AcpiGbl_ParseOpRoot); /* Convert fixed-offset references to resource descriptors to symbolic references */ AcpiDmConvertResourceIndexes (AcpiGbl_ParseOpRoot, AcpiGbl_RootNode); /* * If we found any external control methods, we must reparse the entire * tree with the new information (namely, the number of arguments per * method) */ if (AcpiDmGetExternalMethodCount ()) { fprintf (stderr, "\nFound %u external control methods, reparsing with new information\n", AcpiDmGetExternalMethodCount ()); /* * Reparse, rebuild namespace. no need to xref namespace */ AcpiPsDeleteParseTree (AcpiGbl_ParseOpRoot); AcpiNsDeleteNamespaceSubtree (AcpiGbl_RootNode); AcpiGbl_RootNode = NULL; AcpiGbl_RootNodeStruct.Name.Integer = ACPI_ROOT_NAME; AcpiGbl_RootNodeStruct.DescriptorType = ACPI_DESC_TYPE_NAMED; AcpiGbl_RootNodeStruct.Type = ACPI_TYPE_DEVICE; AcpiGbl_RootNodeStruct.Parent = NULL; AcpiGbl_RootNodeStruct.Child = NULL; AcpiGbl_RootNodeStruct.Peer = NULL; AcpiGbl_RootNodeStruct.Object = NULL; AcpiGbl_RootNodeStruct.Flags = 0; Status = AcpiNsRootInitialize (); AcpiDmAddExternalsToNamespace (); /* Parse table. No need to reload it, however (FALSE) */ Status = AdParseTable (Table, NULL, FALSE, FALSE); if (ACPI_FAILURE (Status)) { AcpiOsPrintf ("Could not parse ACPI tables, %s\n", AcpiFormatException (Status)); goto Cleanup; } if (AslCompilerdebug) { AcpiOsPrintf ("/**** After second load and resource conversion\n"); LsSetupNsList (File); LsDisplayNamespace (); AcpiOsPrintf ("*****/\n"); AcpiDmDumpTree (AcpiGbl_ParseOpRoot); } } /* Optional displays */ if (AcpiGbl_DbOpt_disasm) { AdDisplayTables (Filename, Table); fprintf (stderr, "Disassembly completed, written to \"%s\"\n", DisasmFilename); } } Cleanup: if (Table && !AcpiUtIsAmlTable (Table)) { ACPI_FREE (Table); } if (DisasmFilename) { ACPI_FREE (DisasmFilename); } if (OutToFile && File) { #ifdef ASL_DISASM_DEBUG LsSetupNsList (File); LsDisplayNamespace (); #endif fclose (File); AcpiOsRedirectOutput (stdout); } AcpiPsDeleteParseTree (AcpiGbl_ParseOpRoot); AcpiGbl_ParseOpRoot = NULL; return (Status); } /****************************************************************************** * * FUNCTION: AdDisassemblerHeader * * PARAMETERS: Filename - Input file for the table * * RETURN: None * * DESCRIPTION: Create the disassembler header, including ACPI CA signon with * current time and date. * *****************************************************************************/ void AdDisassemblerHeader ( char *Filename) { time_t Timer; time (&Timer); /* Header and input table info */ AcpiOsPrintf ("/*\n"); AcpiOsPrintf (ACPI_COMMON_HEADER ("AML Disassembler", " * ")); AcpiOsPrintf (" * Disassembly of %s, %s", Filename, ctime (&Timer)); AcpiOsPrintf (" *\n"); } /****************************************************************************** * * FUNCTION: AdCreateTableHeader * * PARAMETERS: Filename - Input file for the table * Table - Pointer to the raw table * * RETURN: None * * DESCRIPTION: Create the ASL table header, including ACPI CA signon with * current time and date. * *****************************************************************************/ static void AdCreateTableHeader ( char *Filename, ACPI_TABLE_HEADER *Table) { char *NewFilename; UINT8 Checksum; /* * Print file header and dump original table header */ AdDisassemblerHeader (Filename); AcpiOsPrintf (" * Original Table Header:\n"); AcpiOsPrintf (" * Signature \"%4.4s\"\n", Table->Signature); AcpiOsPrintf (" * Length 0x%8.8X (%u)\n", Table->Length, Table->Length); /* Print and validate the revision */ AcpiOsPrintf (" * Revision 0x%2.2X", Table->Revision); switch (Table->Revision) { case 0: AcpiOsPrintf (" **** Invalid Revision"); break; case 1: /* Revision of DSDT controls the ACPI integer width */ if (ACPI_COMPARE_NAME (Table->Signature, ACPI_SIG_DSDT)) { AcpiOsPrintf (" **** 32-bit table (V1), no 64-bit math support"); } break; default: break; } AcpiOsPrintf ("\n"); /* Print and validate the table checksum */ AcpiOsPrintf (" * Checksum 0x%2.2X", Table->Checksum); Checksum = AcpiTbChecksum (ACPI_CAST_PTR (UINT8, Table), Table->Length); if (Checksum) { AcpiOsPrintf (" **** Incorrect checksum, should be 0x%2.2X", (UINT8) (Table->Checksum - Checksum)); } AcpiOsPrintf ("\n"); AcpiOsPrintf (" * OEM ID \"%.6s\"\n", Table->OemId); AcpiOsPrintf (" * OEM Table ID \"%.8s\"\n", Table->OemTableId); AcpiOsPrintf (" * OEM Revision 0x%8.8X (%u)\n", Table->OemRevision, Table->OemRevision); AcpiOsPrintf (" * Compiler ID \"%.4s\"\n", Table->AslCompilerId); AcpiOsPrintf (" * Compiler Version 0x%8.8X (%u)\n", Table->AslCompilerRevision, Table->AslCompilerRevision); AcpiOsPrintf (" */\n\n"); /* Create AML output filename based on input filename */ if (Filename) { NewFilename = FlGenerateFilename (Filename, "aml"); } else { NewFilename = ACPI_ALLOCATE_ZEROED (9); strncat (NewFilename, Table->Signature, 4); strcat (NewFilename, ".aml"); } /* Open the ASL definition block */ AcpiOsPrintf ( "DefinitionBlock (\"%s\", \"%4.4s\", %hu, \"%.6s\", \"%.8s\", 0x%8.8X)\n", NewFilename, Table->Signature, Table->Revision, Table->OemId, Table->OemTableId, Table->OemRevision); ACPI_FREE (NewFilename); } /****************************************************************************** * * FUNCTION: AdDisplayTables * * PARAMETERS: Filename - Input file for the table * Table - Pointer to the raw table * * RETURN: Status * * DESCRIPTION: Display (disassemble) loaded tables and dump raw tables * *****************************************************************************/ ACPI_STATUS AdDisplayTables ( char *Filename, ACPI_TABLE_HEADER *Table) { if (!AcpiGbl_ParseOpRoot) { return AE_NOT_EXIST; } if (!AcpiGbl_DbOpt_verbose) { AdCreateTableHeader (Filename, Table); } AcpiDmDisassemble (NULL, AcpiGbl_ParseOpRoot, ACPI_UINT32_MAX); if (AcpiGbl_DbOpt_verbose) { AcpiOsPrintf ("\n\nTable Header:\n"); AcpiUtDumpBuffer ((UINT8 *) Table, sizeof (ACPI_TABLE_HEADER), DB_BYTE_DISPLAY, ACPI_UINT32_MAX); AcpiOsPrintf ("Table Body (Length 0x%X)\n", Table->Length); AcpiUtDumpBuffer (((UINT8 *) Table + sizeof (ACPI_TABLE_HEADER)), Table->Length, DB_BYTE_DISPLAY, ACPI_UINT32_MAX); } return AE_OK; } /****************************************************************************** * * FUNCTION: AdDeferredParse * * PARAMETERS: Op - Root Op of the deferred opcode * Aml - Pointer to the raw AML * AmlLength - Length of the AML * * RETURN: Status * * DESCRIPTION: Parse one deferred opcode * (Methods, operation regions, etc.) * *****************************************************************************/ static ACPI_STATUS AdDeferredParse ( ACPI_PARSE_OBJECT *Op, UINT8 *Aml, UINT32 AmlLength) { ACPI_WALK_STATE *WalkState; ACPI_STATUS Status; ACPI_PARSE_OBJECT *SearchOp; ACPI_PARSE_OBJECT *StartOp; UINT32 BaseAmlOffset; ACPI_PARSE_OBJECT *ExtraOp; ACPI_FUNCTION_TRACE (AdDeferredParse); fprintf (stderr, "."); if (!Aml || !AmlLength) { return_ACPI_STATUS (AE_OK); } ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Parsing %s [%4.4s]\n", Op->Common.AmlOpName, (char *) &Op->Named.Name)); WalkState = AcpiDsCreateWalkState (0, Op, NULL, NULL); if (!WalkState) { return_ACPI_STATUS (AE_NO_MEMORY); } Status = AcpiDsInitAmlWalk (WalkState, Op, NULL, Aml, AmlLength, NULL, ACPI_IMODE_LOAD_PASS1); if (ACPI_FAILURE (Status)) { return_ACPI_STATUS (Status); } /* Parse the method */ WalkState->ParseFlags &= ~ACPI_PARSE_DELETE_TREE; WalkState->ParseFlags |= ACPI_PARSE_DISASSEMBLE; Status = AcpiPsParseAml (WalkState); /* * We need to update all of the Aml offsets, since the parser thought * that the method began at offset zero. In reality, it began somewhere * within the ACPI table, at the BaseAmlOffset. Walk the entire tree that * was just created and update the AmlOffset in each Op */ BaseAmlOffset = (Op->Common.Value.Arg)->Common.AmlOffset + 1; StartOp = (Op->Common.Value.Arg)->Common.Next; SearchOp = StartOp; /* Walk the parse tree */ while (SearchOp) { SearchOp->Common.AmlOffset += BaseAmlOffset; SearchOp = AcpiPsGetDepthNext (StartOp, SearchOp); } /* * Link the newly parsed subtree into the main parse tree */ switch (Op->Common.AmlOpcode) { case AML_BUFFER_OP: case AML_PACKAGE_OP: case AML_VAR_PACKAGE_OP: switch (Op->Common.AmlOpcode) { case AML_PACKAGE_OP: ExtraOp = Op->Common.Value.Arg; ExtraOp = ExtraOp->Common.Next; Op->Common.Value.Arg = ExtraOp->Common.Value.Arg; break; case AML_VAR_PACKAGE_OP: case AML_BUFFER_OP: default: ExtraOp = Op->Common.Value.Arg; Op->Common.Value.Arg = ExtraOp->Common.Value.Arg; break; } /* Must point all parents to the main tree */ StartOp = Op; SearchOp = StartOp; while (SearchOp) { if (SearchOp->Common.Parent == ExtraOp) { SearchOp->Common.Parent = Op; } SearchOp = AcpiPsGetDepthNext (StartOp, SearchOp); } break; default: break; } return_ACPI_STATUS (AE_OK); } /****************************************************************************** * * FUNCTION: AdParseDeferredOps * * PARAMETERS: Root - Root of the parse tree * * RETURN: Status * * DESCRIPTION: Parse the deferred opcodes (Methods, regions, etc.) * *****************************************************************************/ static ACPI_STATUS AdParseDeferredOps ( ACPI_PARSE_OBJECT *Root) { ACPI_PARSE_OBJECT *Op = Root; ACPI_STATUS Status = AE_OK; const ACPI_OPCODE_INFO *OpInfo; ACPI_FUNCTION_NAME (AdParseDeferredOps); fprintf (stderr, "Parsing Deferred Opcodes (Methods/Buffers/Packages/Regions)\n"); while (Op) { OpInfo = AcpiPsGetOpcodeInfo (Op->Common.AmlOpcode); if (!(OpInfo->Flags & AML_DEFER)) { Op = AcpiPsGetDepthNext (Root, Op); continue; } switch (Op->Common.AmlOpcode) { case AML_METHOD_OP: case AML_BUFFER_OP: case AML_PACKAGE_OP: case AML_VAR_PACKAGE_OP: Status = AdDeferredParse (Op, Op->Named.Data, Op->Named.Length); if (ACPI_FAILURE (Status)) { return_ACPI_STATUS (Status); } break; case AML_REGION_OP: case AML_CREATE_QWORD_FIELD_OP: case AML_CREATE_DWORD_FIELD_OP: case AML_CREATE_WORD_FIELD_OP: case AML_CREATE_BYTE_FIELD_OP: case AML_CREATE_BIT_FIELD_OP: case AML_CREATE_FIELD_OP: case AML_BANK_FIELD_OP: /* Nothing to do in these cases */ break; default: ACPI_ERROR ((AE_INFO, "Unhandled deferred opcode [%s]", Op->Common.AmlOpName)); break; } Op = AcpiPsGetDepthNext (Root, Op); } fprintf (stderr, "\n"); return Status; } /****************************************************************************** * * FUNCTION: AdGetLocalTables * * PARAMETERS: Filename - Not used * GetAllTables - TRUE if all tables are desired * * RETURN: Status * * DESCRIPTION: Get the ACPI tables from either memory or a file * *****************************************************************************/ ACPI_STATUS AdGetLocalTables ( char *Filename, BOOLEAN GetAllTables) { ACPI_STATUS Status; ACPI_TABLE_HEADER TableHeader; ACPI_TABLE_HEADER *NewTable; UINT32 NumTables; UINT32 PointerSize; UINT32 TableIndex; if (GetAllTables) { ACPI_MOVE_32_TO_32 (TableHeader.Signature, ACPI_SIG_RSDT); AcpiOsTableOverride (&TableHeader, &NewTable); if (!NewTable) { fprintf (stderr, "Could not obtain RSDT\n"); return AE_NO_ACPI_TABLES; } else { AdWriteTable (NewTable, NewTable->Length, ACPI_SIG_RSDT, NewTable->OemTableId); } if (ACPI_COMPARE_NAME (NewTable->Signature, ACPI_SIG_RSDT)) { PointerSize = sizeof (UINT32); } else { PointerSize = sizeof (UINT64); } /* * Determine the number of tables pointed to by the RSDT/XSDT. * This is defined by the ACPI Specification to be the number of * pointers contained within the RSDT/XSDT. The size of the pointers * is architecture-dependent. */ NumTables = (NewTable->Length - sizeof (ACPI_TABLE_HEADER)) / PointerSize; AcpiOsPrintf ("There are %u tables defined in the %4.4s\n\n", NumTables, NewTable->Signature); /* Get the FADT */ ACPI_MOVE_32_TO_32 (TableHeader.Signature, ACPI_SIG_FADT); AcpiOsTableOverride (&TableHeader, &NewTable); if (NewTable) { AdWriteTable (NewTable, NewTable->Length, ACPI_SIG_FADT, NewTable->OemTableId); } AcpiOsPrintf ("\n"); /* Don't bother with FACS, it is usually all zeros */ } /* Always get the DSDT */ ACPI_MOVE_32_TO_32 (TableHeader.Signature, ACPI_SIG_DSDT); AcpiOsTableOverride (&TableHeader, &NewTable); if (NewTable) { AdWriteTable (NewTable, NewTable->Length, ACPI_SIG_DSDT, NewTable->OemTableId); /* Store DSDT in the Table Manager */ Status = AcpiTbStoreTable (0, NewTable, NewTable->Length, 0, &TableIndex); if (ACPI_FAILURE (Status)) { fprintf (stderr, "Could not store DSDT\n"); return AE_NO_ACPI_TABLES; } } else { fprintf (stderr, "Could not obtain DSDT\n"); return AE_NO_ACPI_TABLES; } #if 0 /* TBD: Future implementation */ AcpiOsPrintf ("\n"); /* Get all SSDTs */ ACPI_MOVE_32_TO_32 (TableHeader.Signature, ACPI_SIG_SSDT); do { NewTable = NULL; Status = AcpiOsTableOverride (&TableHeader, &NewTable); } while (NewTable); #endif return AE_OK; } /****************************************************************************** * * FUNCTION: AdParseTable * * PARAMETERS: Table - Pointer to the raw table * OwnerId - Returned OwnerId of the table * LoadTable - If add table to the global table list * External - If this is an external table * * RETURN: Status * * DESCRIPTION: Parse the DSDT. * *****************************************************************************/ ACPI_STATUS AdParseTable ( ACPI_TABLE_HEADER *Table, ACPI_OWNER_ID *OwnerId, BOOLEAN LoadTable, BOOLEAN External) { ACPI_STATUS Status = AE_OK; ACPI_WALK_STATE *WalkState; UINT8 *AmlStart; UINT32 AmlLength; UINT32 TableIndex; if (!Table) { return AE_NOT_EXIST; } /* Pass 1: Parse everything except control method bodies */ fprintf (stderr, "Pass 1 parse of [%4.4s]\n", (char *) Table->Signature); AmlLength = Table->Length - sizeof (ACPI_TABLE_HEADER); AmlStart = ((UINT8 *) Table + sizeof (ACPI_TABLE_HEADER)); /* Create the root object */ AcpiGbl_ParseOpRoot = AcpiPsCreateScopeOp (); if (!AcpiGbl_ParseOpRoot) { return AE_NO_MEMORY; } /* Create and initialize a new walk state */ WalkState = AcpiDsCreateWalkState (0, AcpiGbl_ParseOpRoot, NULL, NULL); if (!WalkState) { return (AE_NO_MEMORY); } Status = AcpiDsInitAmlWalk (WalkState, AcpiGbl_ParseOpRoot, NULL, AmlStart, AmlLength, NULL, ACPI_IMODE_LOAD_PASS1); if (ACPI_FAILURE (Status)) { return (Status); } WalkState->ParseFlags &= ~ACPI_PARSE_DELETE_TREE; WalkState->ParseFlags |= ACPI_PARSE_DISASSEMBLE; Status = AcpiPsParseAml (WalkState); if (ACPI_FAILURE (Status)) { return Status; } /* If LoadTable is FALSE, we are parsing the last loaded table */ TableIndex = AcpiGbl_RootTableList.CurrentTableCount - 1; /* Pass 2 */ if (LoadTable) { Status = AcpiTbStoreTable ((ACPI_PHYSICAL_ADDRESS) Table, Table, Table->Length, ACPI_TABLE_ORIGIN_ALLOCATED, &TableIndex); if (ACPI_FAILURE (Status)) { return Status; } Status = AcpiTbAllocateOwnerId (TableIndex); if (ACPI_FAILURE (Status)) { return Status; } if (OwnerId) { Status = AcpiTbGetOwnerId (TableIndex, OwnerId); if (ACPI_FAILURE (Status)) { return Status; } } } fprintf (stderr, "Pass 2 parse of [%4.4s]\n", (char *) Table->Signature); Status = AcpiNsOneCompleteParse (ACPI_IMODE_LOAD_PASS2, TableIndex, NULL); if (ACPI_FAILURE (Status)) { return (Status); } /* No need to parse control methods of external table */ if (External) { return AE_OK; } /* Pass 3: Parse control methods and link their parse trees into the main parse tree */ Status = AdParseDeferredOps (AcpiGbl_ParseOpRoot); /* Process Resource Templates */ AcpiDmFindResources (AcpiGbl_ParseOpRoot); fprintf (stderr, "Parsing completed\n"); return AE_OK; }