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Diffstat (limited to 'common/adisasm.c')
| -rw-r--r-- | common/adisasm.c | 1132 |
1 files changed, 1132 insertions, 0 deletions
diff --git a/common/adisasm.c b/common/adisasm.c new file mode 100644 index 0000000..843a9a8 --- /dev/null +++ b/common/adisasm.c @@ -0,0 +1,1132 @@ +/****************************************************************************** + * + * Module Name: adisasm - Application-level disassembler routines + * $Revision: 1.104 $ + * + *****************************************************************************/ + +/****************************************************************************** + * + * 1. Copyright Notice + * + * Some or all of this work - Copyright (c) 1999 - 2007, 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 <contrib/dev/acpica/acpi.h> +#include <contrib/dev/acpica/acparser.h> +#include <contrib/dev/acpica/amlcode.h> +#include <contrib/dev/acpica/acdebug.h> +#include <contrib/dev/acpica/acdisasm.h> +#include <contrib/dev/acpica/acdispat.h> +#include <contrib/dev/acpica/acnamesp.h> +#include <contrib/dev/acpica/actables.h> +#include <contrib/dev/acpica/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 */ + +void +AdCreateTableHeader ( + char *Filename, + ACPI_TABLE_HEADER *Table); + +void +AdDisassemblerHeader ( + char *Filename); + +ACPI_PARSE_OBJECT *AcpiGbl_ParseOpRoot; + + +/* 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 ( + ACPI_NATIVE_UINT 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); +} + + +ACPI_TABLE_DESC LocalTables[1]; + + +/******************************************************************************* + * + * FUNCTION: AdInitialize + * + * PARAMETERS: None. + * + * RETURN: Status + * + * DESCRIPTION: CA initialization + * + ******************************************************************************/ + +ACPI_STATUS +AdInitialize ( + void) +{ + ACPI_STATUS Status; + + + /* ACPI CA subsystem initialization */ + + Status = AcpiOsInitialize (); + AcpiUtInitGlobals (); + + 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.Size = 1; + AcpiGbl_RootTableList.Count = 0; + AcpiGbl_RootTableList.Tables = LocalTables; + + return Status; +} + + +/******************************************************************************* + * + * FUNCTION: AdAddExternalsToNamespace + * + * PARAMETERS: + * + * RETURN: Status + * + * DESCRIPTION: + * + ******************************************************************************/ + +void +AdAddExternalsToNamespace ( + void) +{ + ACPI_STATUS Status; + ACPI_NAMESPACE_NODE *Node; + ACPI_EXTERNAL_LIST *External = AcpiGbl_ExternalList; + ACPI_OPERAND_OBJECT *MethodDesc; + + + while (External) + { + Status = AcpiNsLookup (NULL, External->InternalPath, External->Type, + ACPI_IMODE_LOAD_PASS1, ACPI_NS_EXTERNAL | ACPI_NS_DONT_OPEN_SCOPE, + NULL, &Node); + + if (External->Type == ACPI_TYPE_METHOD) + { + MethodDesc = AcpiUtCreateInternalObject (ACPI_TYPE_METHOD); + MethodDesc->Method.ParamCount = (UINT8) External->Value; + Node->Object = MethodDesc; + } + + External = External->Next; + } +} + + +/******************************************************************************* + * + * FUNCTION: AdMethodExternalCount + * + * PARAMETERS: None + * + * RETURN: Status + * + * DESCRIPTION: Return the number of externals that have been generated + * + ******************************************************************************/ + +UINT32 +AdMethodExternalCount ( + void) +{ + ACPI_EXTERNAL_LIST *External = AcpiGbl_ExternalList; + UINT32 Count = 0; + + + while (External) + { + if (External->Type == ACPI_TYPE_METHOD) + { + Count++; + } + + External = External->Next; + } + + return (Count); +} + + +/****************************************************************************** + * + * 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 + * + *****************************************************************************/ + +extern char *Gbl_ExternalFilename; + +ACPI_STATUS +AdAmlDisassemble ( + BOOLEAN OutToFile, + char *Filename, + char *Prefix, + char **OutFilename, + BOOLEAN GetAllTables) +{ + ACPI_STATUS Status; + char *DisasmFilename = NULL; + FILE *File = NULL; + ACPI_TABLE_HEADER *Table; + ACPI_TABLE_HEADER *ExternalTable; + + + /* + * 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; + } + + if (Gbl_ExternalFilename) + { + Status = AcpiDbGetTableFromFile (Gbl_ExternalFilename, &ExternalTable); + if (ACPI_FAILURE (Status)) + { + return Status; + } + } + } + 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); + 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); + + /* + * Cross reference the namespace here, in order to generate External() statements + */ + AcpiDmCrossReferenceNamespace (AcpiGbl_ParseOpRoot, AcpiGbl_RootNode); + + 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 (AslCompilerdebug) + { + AcpiOsPrintf ("/**** After second load and resource conversion\n"); + LsSetupNsList (File); + LsDisplayNamespace (); + AcpiOsPrintf ("*****/\n"); + } + + /* + * 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 (AdMethodExternalCount ()) + { + fprintf (stderr, + "\nFound %d external control methods, reparsing with new information\n", + AdMethodExternalCount()); + + /* + * 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.Child = NULL; + AcpiGbl_RootNodeStruct.Peer = NULL; + AcpiGbl_RootNodeStruct.Object = NULL; + AcpiGbl_RootNodeStruct.Flags = ANOBJ_END_OF_PEER_LIST; + + Status = AcpiNsRootInitialize (); + AdAddExternalsToNamespace (); + + Status = AdParseTable (Table); + if (ACPI_FAILURE (Status)) + { + AcpiOsPrintf ("Could not parse ACPI tables, %s\n", + AcpiFormatException (Status)); + goto Cleanup; + } + + if (AslCompilerdebug) + { + AcpiDmDumpTree (AcpiGbl_ParseOpRoot); + } + } + + /* Optional displays */ + + if (AcpiGbl_DbOpt_disasm) + { + AdDisplayTables (Filename, Table); + fprintf (stderr, + "Disassembly completed, written to \"%s\"\n", + DisasmFilename); + } + } + +Cleanup: + if (OutToFile && File) + { + +#ifdef ASL_DISASM_DEBUG + LsSetupNsList (File); + LsDisplayNamespace (); +#endif + fclose (File); + AcpiOsRedirectOutput (stdout); + } + + AcpiPsDeleteParseTree (AcpiGbl_ParseOpRoot); + 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 * Intel ACPI Component Architecture\n"); + AcpiOsPrintf (" * AML Disassembler version %8.8X\n", ACPI_CA_VERSION); + + AcpiOsPrintf (" *\n * 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. + * + *****************************************************************************/ + +void +AdCreateTableHeader ( + char *Filename, + ACPI_TABLE_HEADER *Table) +{ + char *NewFilename; + + + AdDisassemblerHeader (Filename); + + AcpiOsPrintf (" *\n * Original Table Header:\n"); + AcpiOsPrintf (" * Signature \"%4.4s\"\n", Table->Signature); + AcpiOsPrintf (" * Length 0x%8.8X (%u)\n", Table->Length, Table->Length); + AcpiOsPrintf (" * Revision 0x%2.2X\n", Table->Revision); + 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 (" * Creator ID \"%.4s\"\n", Table->AslCompilerId); + AcpiOsPrintf (" * Creator Revision 0x%8.8X (%u)\n", Table->AslCompilerRevision, Table->AslCompilerRevision); + AcpiOsPrintf (" */\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\", %hd, \"%.6s\", \"%.8s\", 0x%8.8X)\n", + NewFilename, Table->Signature, Table->Revision, + Table->OemId, Table->OemTableId, Table->OemRevision); +} + + +/****************************************************************************** + * + * 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.) + * + *****************************************************************************/ + +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.) + * + *****************************************************************************/ + +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: + + /* 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; + ACPI_NATIVE_UINT 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; + } + + 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 %d 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); + } + 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 + * + * RETURN: Status + * + * DESCRIPTION: Parse the DSDT. + * + *****************************************************************************/ + +ACPI_STATUS +AdParseTable ( + ACPI_TABLE_HEADER *Table) +{ + ACPI_STATUS Status = AE_OK; + ACPI_WALK_STATE *WalkState; + UINT8 *AmlStart; + UINT32 AmlLength; + ACPI_NATIVE_UINT 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; + } + + /* Pass 2 */ + + Status = AcpiTbStoreTable ((ACPI_NATIVE_UINT) Table, Table, + Table->Length, ACPI_TABLE_ORIGIN_ALLOCATED, &TableIndex); + if (ACPI_FAILURE (Status)) + { + return Status; + } + + fprintf (stderr, "Pass 2 parse of [%4.4s]\n", (char *) Table->Signature); + + Status = AcpiNsOneCompleteParse (ACPI_IMODE_LOAD_PASS2, 0); + if (ACPI_FAILURE (Status)) + { + return (Status); + } + + /* 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; +} + + |
