/****************************************************************************** * * Module Name: adisasm - Application-level disassembler routines * *****************************************************************************/ /****************************************************************************** * * 1. Copyright Notice * * Some or all of this work - Copyright (c) 1999 - 2021, 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. * ***************************************************************************** * * Alternatively, you may choose to be licensed under the terms of the * following license: * * 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. * * 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 MERCHANTABILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * 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 DAMAGE. * * Alternatively, you may choose to be licensed under the terms of the * GNU General Public License ("GPL") version 2 as published by the Free * Software Foundation. * *****************************************************************************/ #include #include #include #include #include #include #include #include #define _COMPONENT ACPI_TOOLS ACPI_MODULE_NAME ("adisasm") /* Local prototypes */ static ACPI_STATUS AdDoExternalFileList ( char *Filename); static ACPI_STATUS AdDisassembleOneTable ( ACPI_TABLE_HEADER *Table, FILE *File, char *Filename, char *DisasmFilename); static ACPI_STATUS AdReparseOneTable ( ACPI_TABLE_HEADER *Table, FILE *File, ACPI_OWNER_ID OwnerId); ACPI_TABLE_DESC LocalTables[1]; ACPI_PARSE_OBJECT *AcpiGbl_ParseOpRoot; /* Stubs for everything except 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 /******************************************************************************* * * FUNCTION: AdInitialize * * PARAMETERS: None * * RETURN: Status * * DESCRIPTION: ACPICA and local initialization * ******************************************************************************/ ACPI_STATUS AdInitialize ( void) { ACPI_STATUS Status; /* ACPICA subsystem initialization */ Status = AcpiOsInitialize (); if (ACPI_FAILURE (Status)) { fprintf (stderr, "Could not initialize ACPICA subsystem: %s\n", AcpiFormatException (Status)); return (Status); } Status = AcpiUtInitGlobals (); if (ACPI_FAILURE (Status)) { fprintf (stderr, "Could not initialize ACPICA globals: %s\n", AcpiFormatException (Status)); return (Status); } Status = AcpiUtMutexInitialize (); if (ACPI_FAILURE (Status)) { fprintf (stderr, "Could not initialize ACPICA mutex objects: %s\n", AcpiFormatException (Status)); return (Status); } Status = AcpiNsRootInitialize (); if (ACPI_FAILURE (Status)) { fprintf (stderr, "Could not initialize ACPICA namespace: %s\n", AcpiFormatException (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 (AE_OK); } /****************************************************************************** * * 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 * * RETURN: Status * * DESCRIPTION: Disassembler entry point. Disassemble an entire ACPI table. * *****************************************************************************/ ACPI_STATUS AdAmlDisassemble ( BOOLEAN OutToFile, char *Filename, char *Prefix, char **OutFilename) { ACPI_STATUS Status; char *DisasmFilename = NULL; FILE *File = NULL; ACPI_TABLE_HEADER *Table = NULL; ACPI_NEW_TABLE_DESC *ListHead = NULL; /* * Input: AML code from either a file or via GetTables (memory or * registry) */ if (Filename) { /* Get the list of all AML tables in the file */ Status = AcGetAllTablesFromFile (Filename, ACPI_GET_ALL_TABLES, &ListHead); if (ACPI_FAILURE (Status)) { AcpiOsPrintf ("Could not get ACPI tables from %s, %s\n", Filename, AcpiFormatException (Status)); return (Status); } /* Process any user-specified files for external objects */ Status = AdDoExternalFileList (Filename); if (ACPI_FAILURE (Status)) { return (Status); } } else { Status = AdGetLocalTables (); if (ACPI_FAILURE (Status)) { AcpiOsPrintf ("Could not get ACPI tables, %s\n", AcpiFormatException (Status)); return (Status); } if (!AcpiGbl_DmOpt_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 (!DisasmFilename) { 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; } } *OutFilename = DisasmFilename; /* Disassemble all AML tables within the file */ while (ListHead) { Status = AdDisassembleOneTable (ListHead->Table, File, Filename, DisasmFilename); if (ACPI_FAILURE (Status)) { break; } ListHead = ListHead->Next; } Cleanup: if (Table && !AcpiGbl_ForceAmlDisassembly && !AcpiUtIsAmlTable (Table)) { ACPI_FREE (Table); } AcDeleteTableList (ListHead); if (File) { fclose (File); AcpiOsRedirectOutput (stdout); } AcpiPsDeleteParseTree (AcpiGbl_ParseOpRoot); AcpiGbl_ParseOpRoot = NULL; return (Status); } /****************************************************************************** * * FUNCTION: AdDisassembleOneTable * * PARAMETERS: Table - Raw AML table * File - Pointer for the input file * Filename - AML input filename * DisasmFilename - Output filename * * RETURN: Status * * DESCRIPTION: Disassemble a single ACPI table. AML or data table. * *****************************************************************************/ static ACPI_STATUS AdDisassembleOneTable ( ACPI_TABLE_HEADER *Table, FILE *File, char *Filename, char *DisasmFilename) { ACPI_STATUS Status; ACPI_OWNER_ID OwnerId; #ifdef ACPI_ASL_COMPILER /* * For ASL-/ASL+ converter: replace the temporary "XXXX" * table signature with the original. This "XXXX" makes * it harder for the AML interpreter to run the badaml * (.xxx) file produced from the converter in case if * it fails to get deleted. */ if (AcpiGbl_CaptureComments) { strncpy (Table->Signature, AcpiGbl_TableSig, ACPI_NAMESEG_SIZE); } #endif /* ForceAmlDisassembly means to assume the table contains valid AML */ if (!AcpiGbl_ForceAmlDisassembly && !AcpiUtIsAmlTable (Table)) { if (File) { AcpiOsRedirectOutput (File); } AdDisassemblerHeader (Filename, ACPI_IS_DATA_TABLE); /* This is a "Data Table" (non-AML table) */ AcpiOsPrintf (" * ACPI Data Table [%4.4s]\n *\n", Table->Signature); AcpiOsPrintf (" * Format: [HexOffset DecimalOffset ByteLength] " "FieldName : FieldValue (in hex)\n */\n\n"); AcpiDmDumpDataTable (Table); fprintf (stderr, "Acpi Data Table [%4.4s] decoded\n", Table->Signature); if (File) { fprintf (stderr, "Formatted output: %s - %u bytes\n", DisasmFilename, CmGetFileSize (File)); } return (AE_OK); } /* Initialize the converter output file */ ASL_CV_INIT_FILETREE(Table, File); /* * This is an AML table (DSDT or SSDT). * 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)); return (Status); } /* Redirect output for code generation and debugging output */ if (File) { AcpiOsRedirectOutput (File); } /* Debug output, namespace and parse tree */ if (AslCompilerdebug && File) { AcpiOsPrintf ("/**** Before second load\n"); NsSetupNamespaceListing (File); NsDisplayNamespace (); 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); /* * 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 (AcpiDmGetUnresolvedExternalMethodCount ()) { Status = AdReparseOneTable (Table, File, OwnerId); if (ACPI_FAILURE (Status)) { return (Status); } } /* * Now that the namespace is finalized, we can perform namespace * transforms. * * 1) Convert fixed-offset references to resource descriptors * to symbolic references (Note: modifies namespace) */ AcpiDmConvertParseObjects (AcpiGbl_ParseOpRoot, AcpiGbl_RootNode); /* Optional displays */ if (AcpiGbl_DmOpt_Disasm) { /* This is the real disassembly */ AdDisplayTables (Filename, Table); /* Dump hex table if requested (-vt) */ AcpiDmDumpDataTable (Table); fprintf (stderr, "Disassembly completed\n"); if (File) { fprintf (stderr, "ASL Output: %s - %u bytes\n", DisasmFilename, CmGetFileSize (File)); } if (AslGbl_MapfileFlag) { fprintf (stderr, "%14s %s - %u bytes\n", AslGbl_FileDescs[ASL_FILE_MAP_OUTPUT].ShortDescription, AslGbl_Files[ASL_FILE_MAP_OUTPUT].Filename, FlGetFileSize (ASL_FILE_MAP_OUTPUT)); } } return (AE_OK); } /****************************************************************************** * * FUNCTION: AdReparseOneTable * * PARAMETERS: Table - Raw AML table * File - Pointer for the input file * OwnerId - ID for this table * * RETURN: Status * * DESCRIPTION: Reparse a table that has already been loaded. Used to * integrate information about external control methods. * These methods may have been previously parsed incorrectly. * *****************************************************************************/ static ACPI_STATUS AdReparseOneTable ( ACPI_TABLE_HEADER *Table, FILE *File, ACPI_OWNER_ID OwnerId) { ACPI_STATUS Status; ACPI_COMMENT_ADDR_NODE *AddrListHead; fprintf (stderr, "\nFound %u external control methods, " "reparsing with new information\n", AcpiDmGetUnresolvedExternalMethodCount ()); /* Reparse, rebuild namespace */ AcpiPsDeleteParseTree (AcpiGbl_ParseOpRoot); AcpiGbl_ParseOpRoot = NULL; 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 (); if (ACPI_FAILURE (Status)) { return (Status); } /* New namespace, add the external definitions first */ AcpiDmAddExternalListToNamespace (); /* For -ca option: clear the list of comment addresses. */ while (AcpiGbl_CommentAddrListHead) { AddrListHead= AcpiGbl_CommentAddrListHead; AcpiGbl_CommentAddrListHead = AcpiGbl_CommentAddrListHead->Next; AcpiOsFree(AddrListHead); } /* Parse the table again. No need to reload it, however */ Status = AdParseTable (Table, NULL, FALSE, FALSE); if (ACPI_FAILURE (Status)) { AcpiOsPrintf ("Could not parse ACPI tables, %s\n", AcpiFormatException (Status)); return (Status); } /* Cross reference the namespace again */ AcpiDmFinishNamespaceLoad (AcpiGbl_ParseOpRoot, AcpiGbl_RootNode, OwnerId); AcpiDmCrossReferenceNamespace (AcpiGbl_ParseOpRoot, AcpiGbl_RootNode, OwnerId); /* Debug output - namespace and parse tree */ if (AslCompilerdebug) { AcpiOsPrintf ("/**** After second load and resource conversion\n"); if (File) { NsSetupNamespaceListing (File); NsDisplayNamespace (); } AcpiOsPrintf ("*****/\n"); AcpiDmDumpTree (AcpiGbl_ParseOpRoot); } return (AE_OK); } /****************************************************************************** * * FUNCTION: AdDoExternalFileList * * PARAMETERS: Filename - Input file for the table * * RETURN: Status * * DESCRIPTION: Process all tables found in the -e external files list * *****************************************************************************/ static ACPI_STATUS AdDoExternalFileList ( char *Filename) { ACPI_EXTERNAL_FILE *ExternalFileList; char *ExternalFilename; ACPI_NEW_TABLE_DESC *ExternalListHead = NULL; ACPI_STATUS Status; ACPI_STATUS GlobalStatus = AE_OK; ACPI_OWNER_ID OwnerId; /* * External filenames are specified on the command line like this: * Example: iasl -e file1,file2,file3 -d xxx.aml */ ExternalFileList = AcpiGbl_ExternalFileList; /* Process each external file */ while (ExternalFileList) { ExternalFilename = ExternalFileList->Path; if (!strcmp (ExternalFilename, Filename)) { /* Next external file */ ExternalFileList = ExternalFileList->Next; continue; } AcpiOsPrintf ("External object resolution file %16s\n", ExternalFilename); Status = AcGetAllTablesFromFile ( ExternalFilename, ACPI_GET_ONLY_AML_TABLES, &ExternalListHead); if (ACPI_FAILURE (Status)) { if (Status == AE_TYPE) { ExternalFileList = ExternalFileList->Next; GlobalStatus = AE_TYPE; continue; } AcDeleteTableList (ExternalListHead); return (Status); } /* Load external tables for symbol resolution */ while (ExternalListHead) { Status = AdParseTable ( ExternalListHead->Table, &OwnerId, TRUE, TRUE); if (ACPI_FAILURE (Status)) { AcpiOsPrintf ("Could not parse external ACPI tables, %s\n", AcpiFormatException (Status)); AcDeleteTableList (ExternalListHead); 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); ExternalListHead = ExternalListHead->Next; } /* Next external file */ ExternalFileList = ExternalFileList->Next; } AcDeleteTableList (ExternalListHead); if (ACPI_FAILURE (GlobalStatus)) { return (GlobalStatus); } /* Clear external list generated by Scope in external tables */ if (AcpiGbl_ExternalFileList) { AcpiDmClearExternalList (); } /* Load any externals defined in the optional external ref file */ AcpiDmGetExternalsFromFile (); return (AE_OK); }