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kolibrios/drivers/devman/acpica/common/adisasm.c
Sergey Semyonov (Serge) 8ec96e9db0 update acpica 
git-svn-id: svn://kolibrios.org@2216 a494cfbc-eb01-0410-851d-a64ba20cac60
2011-09-20 16:54:11 +00:00

1219 lines
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/******************************************************************************
*
* 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;
}
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