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Diffstat (limited to 'source/common/dmtables.c')
| -rw-r--r-- | source/common/dmtables.c | 499 |
1 files changed, 499 insertions, 0 deletions
diff --git a/source/common/dmtables.c b/source/common/dmtables.c new file mode 100644 index 000000000000..0313068d2942 --- /dev/null +++ b/source/common/dmtables.c @@ -0,0 +1,499 @@ +/****************************************************************************** + * + * Module Name: dmtables - disassembler ACPI table support + * + *****************************************************************************/ + +/* + * Copyright (C) 2000 - 2015, Intel Corp. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions, and the following disclaimer, + * without modification. + * 2. Redistributions in binary form must reproduce at minimum a disclaimer + * substantially similar to the "NO WARRANTY" disclaimer below + * ("Disclaimer") and any redistribution must be conditioned upon + * including a substantially similar Disclaimer requirement for further + * binary redistribution. + * 3. Neither the names of the above-listed copyright holders nor the names + * of any contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * Alternatively, this software may be distributed under the terms of the + * GNU General Public License ("GPL") version 2 as published by the Free + * Software Foundation. + * + * NO WARRANTY + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING + * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGES. + */ + +#include "aslcompiler.h" +#include "acapps.h" +#include "acdispat.h" +#include "acnamesp.h" +#include "actables.h" +#include "acparser.h" + +#include <stdio.h> +#include <time.h> + +#define _COMPONENT ACPI_TOOLS + ACPI_MODULE_NAME ("dmtables") + + +/* Local prototypes */ + +static void +AdCreateTableHeader ( + char *Filename, + ACPI_TABLE_HEADER *Table); + +static ACPI_STATUS +AdStoreTable ( + ACPI_TABLE_HEADER *Table, + UINT32 *TableIndex); + + +extern ACPI_TABLE_DESC LocalTables[1]; +extern ACPI_PARSE_OBJECT *AcpiGbl_ParseOpRoot; + + +/****************************************************************************** + * + * FUNCTION: AdDisassemblerHeader + * + * PARAMETERS: Filename - Input file for the table + * TableType - Either AML or DataTable + * + * RETURN: None + * + * DESCRIPTION: Create the disassembler header, including ACPICA signon with + * current time and date. + * + *****************************************************************************/ + +void +AdDisassemblerHeader ( + char *Filename, + UINT8 TableType) +{ + time_t Timer; + + + time (&Timer); + + /* Header and input table info */ + + AcpiOsPrintf ("/*\n"); + AcpiOsPrintf (ACPI_COMMON_HEADER (AML_DISASSEMBLER_NAME, " * ")); + + if (TableType == ACPI_IS_AML_TABLE) + { + if (AcpiGbl_CstyleDisassembly) + { + AcpiOsPrintf ( + " * Disassembling to symbolic ASL+ operators\n" + " *\n"); + } + else + { + AcpiOsPrintf ( + " * Disassembling to non-symbolic legacy ASL operators\n" + " *\n"); + } + } + + 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 ACPICA 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, ACPI_IS_AML_TABLE); + + 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"); + + /* Create AML output filename based on input filename */ + + if (Filename) + { + NewFilename = FlGenerateFilename (Filename, "aml"); + } + else + { + NewFilename = UtStringCacheCalloc (9); + if (NewFilename) + { + strncat (NewFilename, Table->Signature, 4); + strcat (NewFilename, ".aml"); + } + } + + if (!NewFilename) + { + AcpiOsPrintf (" **** Could not generate AML output filename\n"); + return; + } + + /* 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); +} + + +/****************************************************************************** + * + * 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_DmOpt_Listing) + { + AdCreateTableHeader (Filename, Table); + } + + AcpiDmDisassemble (NULL, AcpiGbl_ParseOpRoot, ACPI_UINT32_MAX); + MpEmitMappingInfo (); + + if (AcpiGbl_DmOpt_Listing) + { + AcpiOsPrintf ("\n\nTable Header:\n"); + AcpiUtDebugDumpBuffer ((UINT8 *) Table, sizeof (ACPI_TABLE_HEADER), + DB_BYTE_DISPLAY, ACPI_UINT32_MAX); + + AcpiOsPrintf ("Table Body (Length 0x%X)\n", Table->Length); + AcpiUtDebugDumpBuffer (((UINT8 *) Table + sizeof (ACPI_TABLE_HEADER)), + Table->Length, DB_BYTE_DISPLAY, ACPI_UINT32_MAX); + } + + return (AE_OK); +} + + +/******************************************************************************* + * + * FUNCTION: AdStoreTable + * + * PARAMETERS: Table - Table header + * TableIndex - Where the table index is returned + * + * RETURN: Status and table index. + * + * DESCRIPTION: Add an ACPI table to the global table list + * + ******************************************************************************/ + +static ACPI_STATUS +AdStoreTable ( + ACPI_TABLE_HEADER *Table, + UINT32 *TableIndex) +{ + ACPI_STATUS Status; + ACPI_TABLE_DESC *TableDesc; + + + Status = AcpiTbGetNextTableDescriptor (TableIndex, &TableDesc); + if (ACPI_FAILURE (Status)) + { + return (Status); + } + + /* Initialize added table */ + + AcpiTbInitTableDescriptor (TableDesc, ACPI_PTR_TO_PHYSADDR (Table), + ACPI_TABLE_ORIGIN_INTERNAL_VIRTUAL, Table); + Status = AcpiTbValidateTable (TableDesc); + return (Status); +} + + +/****************************************************************************** + * + * FUNCTION: AdGetLocalTables + * + * PARAMETERS: None + * + * RETURN: Status + * + * DESCRIPTION: Get the ACPI tables from either memory or a file + * + *****************************************************************************/ + +ACPI_STATUS +AdGetLocalTables ( + void) +{ + ACPI_STATUS Status; + ACPI_TABLE_HEADER TableHeader; + ACPI_TABLE_HEADER *NewTable; + UINT32 TableIndex; + + + /* Get the DSDT via table override */ + + ACPI_MOVE_32_TO_32 (TableHeader.Signature, ACPI_SIG_DSDT); + AcpiOsTableOverride (&TableHeader, &NewTable); + if (!NewTable) + { + fprintf (stderr, "Could not obtain DSDT\n"); + return (AE_NO_ACPI_TABLES); + } + + AdWriteTable (NewTable, NewTable->Length, + ACPI_SIG_DSDT, NewTable->OemTableId); + + /* Store DSDT in the Table Manager */ + + Status = AdStoreTable (NewTable, &TableIndex); + if (ACPI_FAILURE (Status)) + { + fprintf (stderr, "Could not store DSDT\n"); + return (AE_NO_ACPI_TABLES); + } + + 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 an ACPI AML table + * + *****************************************************************************/ + +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 (AmlStart); + 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 = AdStoreTable (Table, &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 + */ + fprintf (stderr, + "Parsing Deferred Opcodes (Methods/Buffers/Packages/Regions)\n"); + + Status = AcpiDmParseDeferredOps (AcpiGbl_ParseOpRoot); + fprintf (stderr, "\n"); + + /* Process Resource Templates */ + + AcpiDmFindResources (AcpiGbl_ParseOpRoot); + + fprintf (stderr, "Parsing completed\n"); + return (AE_OK); +} |