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freebsd-dev/sys/contrib/dev/acpica/common/adisasm.c
Jung-uk Kim fba7fc7e34 Vendor import of Intel ACPI-CA 20051021
2005-11-01 22:11:18 +00:00

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/******************************************************************************
*
* Module Name: adisasm - Application-level disassembler routines
* $Revision: 1.77 $
*
*****************************************************************************/
/******************************************************************************
*
* 1. Copyright Notice
*
* Some or all of this work - Copyright (c) 1999 - 2005, 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/acapps.h>
#include <stdio.h>
#include <string.h>
#include <time.h>
#define _COMPONENT ACPI_TOOLS
ACPI_MODULE_NAME ("adisasm")
ACPI_PARSE_OBJECT *AcpiGbl_ParsedNamespaceRoot;
#ifndef ACPI_ASL_COMPILER
BOOLEAN
AcpiDsIsResultUsed (
ACPI_PARSE_OBJECT *Op,
ACPI_WALK_STATE *WalkState)
{
return TRUE;
}
#endif
ACPI_STATUS
AcpiDsRestartControlMethod (
ACPI_WALK_STATE *WalkState,
ACPI_OPERAND_OBJECT *ReturnDesc)
{
return (AE_OK);
}
void
AcpiDsTerminateControlMethod (
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);
}
#define FILE_SUFFIX_DISASSEMBLY "dsl"
#define ACPI_TABLE_FILE_SUFFIX ".dat"
char FilenameBuf[20];
/******************************************************************************
*
* FUNCTION: AfGenerateFilename
*
* PARAMETERS: Prefix - prefix string
* TableId - The table ID
*
* RETURN: Pointer to the completed string
*
* DESCRIPTION: Build an output filename from an ACPI table ID string
*
******************************************************************************/
char *
AdGenerateFilename (
char *Prefix,
char *TableId)
{
ACPI_NATIVE_UINT i;
ACPI_NATIVE_UINT j;
for (i = 0; Prefix[i]; i++)
{
FilenameBuf[i] = Prefix[i];
}
FilenameBuf[i] = '_';
i++;
for (j = 0; j < 8 && (TableId[j] != ' ') && (TableId[j] != 0); i++, j++)
{
FilenameBuf[i] = TableId[j];
}
FilenameBuf[i] = 0;
strcat (FilenameBuf, ACPI_TABLE_FILE_SUFFIX);
return FilenameBuf;
}
/******************************************************************************
*
* FUNCTION: AfWriteBuffer
*
* PARAMETERS: Filename - name of file
* Buffer - data to write
* Length - length of data
*
* RETURN: Actual number of bytes written
*
* DESCRIPTION: Open a file and write out a single buffer
*
******************************************************************************/
ACPI_NATIVE_INT
AdWriteBuffer (
char *Filename,
char *Buffer,
UINT32 Length)
{
FILE *fp;
ACPI_NATIVE_INT Actual;
fp = fopen (Filename, "wb");
if (!fp)
{
printf ("Couldn't open %s\n", Filename);
return -1;
}
Actual = fwrite (Buffer, (size_t) Length, 1, fp);
fclose (fp);
return Actual;
}
/******************************************************************************
*
* FUNCTION: AfWriteTable
*
* PARAMETERS: Table - pointer to the ACPI table
* Length - length of the table
* TableName - the table signature
* OemTableID - from the table header
*
* RETURN: None
*
* DESCRIPTION: Dump the loaded tables to a file (or files)
*
******************************************************************************/
void
AdWriteTable (
ACPI_TABLE_HEADER *Table,
UINT32 Length,
char *TableName,
char *OemTableId)
{
char *Filename;
Filename = AdGenerateFilename (TableName, OemTableId);
AdWriteBuffer (Filename, (char *) Table, Length);
AcpiOsPrintf ("Table [%s] written to \"%s\"\n", TableName, Filename);
}
/*******************************************************************************
*
* FUNCTION: AdInitialize
*
* PARAMETERS: None.
*
* RETURN: Status
*
* DESCRIPTION: CA initialization
*
******************************************************************************/
ACPI_STATUS
AdInitialize (
void)
{
ACPI_STATUS Status;
/* ACPI CA subsystem initialization */
AcpiUtInitGlobals ();
Status = AcpiUtMutexInitialize ();
if (ACPI_FAILURE (Status))
{
return Status;
}
Status = AcpiNsRootInitialize ();
return Status;
}
/*******************************************************************************
*
* FUNCTION: FlGenerateFilename
*
* PARAMETERS: InputFilename - Original ASL source filename
* Suffix - New extension.
*
* RETURN: New filename containing the original base + the new suffix
*
* DESCRIPTION: Generate a new filename from the ASL source filename and a new
* extension. Used to create the *.LST, *.TXT, etc. files.
*
******************************************************************************/
char *
FlGenerateFilename (
char *InputFilename,
char *Suffix)
{
char *Position;
char *NewFilename;
/* Copy the original filename to a new buffer */
NewFilename = ACPI_MEM_CALLOCATE (strlen (InputFilename) + strlen (Suffix));
strcpy (NewFilename, InputFilename);
/* Try to find the last dot in the filename */
Position = strrchr (NewFilename, '.');
if (Position)
{
/* Tack on the new suffix */
Position++;
*Position = 0;
strcat (Position, Suffix);
}
else
{
/* No dot, add one and then the suffix */
strcat (NewFilename, ".");
strcat (NewFilename, Suffix);
}
return NewFilename;
}
/*******************************************************************************
*
* FUNCTION: FlSplitInputPathname
*
* PARAMETERS: InputFilename - The user-specified ASL source file to be
* compiled
* OutDirectoryPath - Where the directory path prefix is
* returned
* OutFilename - Where the filename part is returned
*
* RETURN: Status
*
* DESCRIPTION: Split the input path into a directory and filename part
* 1) Directory part used to open include files
* 2) Filename part used to generate output filenames
*
******************************************************************************/
ACPI_STATUS
FlSplitInputPathname (
char *InputPath,
char **OutDirectoryPath,
char **OutFilename)
{
char *Substring;
char *DirectoryPath;
char *Filename;
*OutDirectoryPath = NULL;
*OutFilename = NULL;
if (!InputPath)
{
return (AE_OK);
}
/* Get the path to the input filename's directory */
DirectoryPath = strdup (InputPath);
if (!DirectoryPath)
{
return (AE_NO_MEMORY);
}
Substring = strrchr (DirectoryPath, '\\');
if (!Substring)
{
Substring = strrchr (DirectoryPath, '/');
if (!Substring)
{
Substring = strrchr (DirectoryPath, ':');
}
}
if (!Substring)
{
DirectoryPath[0] = 0;
Filename = strdup (InputPath);
}
else
{
Filename = strdup (Substring + 1);
*(Substring+1) = 0;
}
if (!Filename)
{
return (AE_NO_MEMORY);
}
*OutDirectoryPath = DirectoryPath;
*OutFilename = Filename;
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
* 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;
FILE *File = NULL;
ACPI_TABLE_HEADER *Table;
/*
* 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;
}
}
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 disassmeble the DSDT */
Table = AcpiGbl_DSDT;
AcpiOsPrintf ("\nDisassembly of DSDT\n");
Prefix = AdGenerateFilename ("dsdt", AcpiGbl_DSDT->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\n");
Status = AE_ERROR;
goto Cleanup;
}
AcpiOsRedirectOutput (File);
}
*OutFilename = DisasmFilename;
/* 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;
}
/*
* TBD: We want to cross reference the namespace here, in order to
* generate External() statements. The problem is that the parse
* tree is in run-time (interpreter) format, not compiler format,
* so we cannot directly use the function below:
*
* Status = LkCrossReferenceNamespace ();
*
* We need to either convert the parse tree or create a new
* cross ref function that can handle interpreter parse trees
*/
/* Optional displays */
if (AcpiGbl_DbOpt_disasm)
{
AdDisplayTables (Filename, Table);
fprintf (stderr, "Disassembly completed, written to \"%s\"\n", DisasmFilename);
}
Cleanup:
if (OutToFile)
{
fclose (File);
AcpiOsRedirectOutput (stdout);
}
AcpiPsDeleteParseTree (AcpiGbl_ParsedNamespaceRoot);
return Status;
}
/******************************************************************************
*
* 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)
{
time_t Timer;
time (&Timer);
AcpiOsPrintf ("/*\n * Intel ACPI Component Architecture\n");
AcpiOsPrintf (" * AML Disassembler version %8.8X\n", ACPI_CA_VERSION);
AcpiOsPrintf (" *\n * Disassembly of %s, %s */\n", Filename, ctime (&Timer));
AcpiOsPrintf (
"DefinitionBlock (\"%4.4s.aml\", \"%4.4s\", %hd, \"%.6s\", \"%.8s\", 0x%8.8X)\n",
Table->Signature, 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_ParsedNamespaceRoot)
{
return AE_NOT_EXIST;
}
if (!AcpiGbl_DbOpt_verbose)
{
AdCreateTableHeader (Filename, Table);
}
AcpiDmDisassemble (NULL, AcpiGbl_ParsedNamespaceRoot, 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, 1);
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_DEBUG_PRINT ((ACPI_DB_ERROR, "Unhandled deferred opcode [%s]\n",
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;
char *FacsSuffix = "";
if (GetAllTables)
{
ACPI_STRNCPY (TableHeader.Signature, RSDT_SIG, 4);
AcpiOsTableOverride (&TableHeader, &NewTable);
if (!NewTable)
{
fprintf (stderr, "Could not obtain RSDT\n");
return AE_NO_ACPI_TABLES;
}
#if ACPI_MACHINE_WIDTH != 64
if (!ACPI_STRNCMP (NewTable->Signature, RSDT_SIG, 4))
{
PointerSize = sizeof (UINT32);
}
else
#endif
{
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_STRNCPY (TableHeader.Signature, FADT_SIG, 4);
AcpiOsTableOverride (&TableHeader, &NewTable);
if (NewTable)
{
AcpiGbl_FADT = (void *) NewTable;
AdWriteTable (NewTable, NewTable->Length,
FADT_SIG, NewTable->OemTableId);
/* Use the FADT tableID for the FACS, since FACS has no ID */
FacsSuffix = AcpiGbl_FADT->OemTableId;
}
AcpiOsPrintf ("\n");
/* Get the FACS */
ACPI_STRNCPY (TableHeader.Signature, FACS_SIG, 4);
AcpiOsTableOverride (&TableHeader, &NewTable);
if (NewTable)
{
AcpiGbl_FACS = (void *) NewTable;
AdWriteTable (NewTable, AcpiGbl_FACS->Length,
FACS_SIG, FacsSuffix);
}
AcpiOsPrintf ("\n");
}
/* Always get the DSDT */
ACPI_STRNCPY (TableHeader.Signature, DSDT_SIG, 4);
AcpiOsTableOverride (&TableHeader, &NewTable);
if (NewTable)
{
Status = AE_OK;
AcpiGbl_DSDT = NewTable;
AdWriteTable (AcpiGbl_DSDT, AcpiGbl_DSDT->Length,
"DSDT", AcpiGbl_DSDT->OemTableId);
}
else
{
fprintf (stderr, "Could not obtain DSDT\n");
return AE_NO_ACPI_TABLES;
}
AcpiOsPrintf ("\n");
/* Get all SSDTs */
ACPI_STRNCPY (TableHeader.Signature, SSDT_SIG, 4);
Status = AcpiOsTableOverride (&TableHeader, &NewTable);
if (NewTable)
{
while (NewTable)
{
Status = AcpiOsTableOverride (&TableHeader, &NewTable);
}
}
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;
ACPI_TABLE_DESC TableDesc;
UINT8 *AmlStart;
UINT32 AmlLength;
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_ParsedNamespaceRoot = AcpiPsCreateScopeOp ();
if (!AcpiGbl_ParsedNamespaceRoot)
{
return AE_NO_MEMORY;
}
/* Create and initialize a new walk state */
WalkState = AcpiDsCreateWalkState (0,
AcpiGbl_ParsedNamespaceRoot, NULL, NULL);
if (!WalkState)
{
return (AE_NO_MEMORY);
}
Status = AcpiDsInitAmlWalk (WalkState, AcpiGbl_ParsedNamespaceRoot,
NULL, AmlStart, AmlLength, NULL, 1);
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 */
TableDesc.AmlStart = AmlStart;
TableDesc.AmlLength = AmlLength;
fprintf (stderr, "Pass 2 parse of [%4.4s]\n", (char *) Table->Signature);
WalkState->ParseFlags |= ACPI_PARSE_DISASSEMBLE;
Status = AcpiNsOneCompleteParse (2, &TableDesc);
if (ACPI_FAILURE (Status))
{
return (Status);
}
/* Pass 3: Parse control methods and link their parse trees into the main parse tree */
Status = AdParseDeferredOps (AcpiGbl_ParsedNamespaceRoot);
fprintf (stderr, "Parsing completed\n");
return AE_OK;
}
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