/******************************************************************************
*
* Module Name: dmtables - disassembler ACPI table support
*
*****************************************************************************/
/*
* Copyright (C) 2000 - 2018, 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 "acdispat.h"
#include "acnamesp.h"
#include "actables.h"
#include "acparser.h"
#include "acapps.h"
#include "acmacros.h"
#include "acconvert.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)
{
UINT8 Checksum;
UINT32 TableLen;
UINT32 OemRev;
UINT32 CompilerRev;
/* Reset globals for External statements */
AcpiGbl_NumExternalMethods = 0;
AcpiGbl_ResolvedExternalMethods = 0;
/*
* Print file header and dump original table header
*/
AdDisassemblerHeader (Filename, ACPI_IS_AML_TABLE);
ACPI_MOVE_32_TO_32(&TableLen, &Table->Length);
AcpiOsPrintf (" * Original Table Header:\n");
AcpiOsPrintf (" * Signature \"%4.4s\"\n", Table->Signature);
AcpiOsPrintf (" * Length 0x%8.8X (%u)\n", TableLen, TableLen);
/* 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;
}
/* Print and validate the table checksum */
AcpiOsPrintf ("\n * Checksum 0x%2.2X", Table->Checksum);
Checksum = AcpiTbChecksum (ACPI_CAST_PTR (UINT8, Table), TableLen);
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);
ACPI_MOVE_32_TO_32(&OemRev, &Table->OemRevision);
AcpiOsPrintf (" * OEM Revision 0x%8.8X (%u)\n", OemRev, OemRev);
AcpiOsPrintf (" * Compiler ID \"%.4s\"\n", Table->AslCompilerId);
ACPI_MOVE_32_TO_32(&CompilerRev, &Table->AslCompilerRevision);
AcpiOsPrintf (" * Compiler Version 0x%8.8X (%u)\n", CompilerRev, CompilerRev);
AcpiOsPrintf (" */\n");
/*
* Print comments that come before this definition block.
*/
if (AcpiGbl_CaptureComments)
{
ASL_CV_PRINT_ONE_COMMENT(AcpiGbl_ParseOpRoot,AML_COMMENT_STANDARD, NULL, 0);
}
/*
* Open the ASL definition block.
*
* Note: the AMLFilename string is left zero-length in order to just let
* the compiler create it when the disassembled file is compiled. This
* makes it easier to rename the disassembled ASL file if needed.
*/
AcpiOsPrintf (
"DefinitionBlock (\"\", \"%4.4s\", %hu, \"%.6s\", \"%.8s\", 0x%8.8X)\n",
Table->Signature, Table->Revision,
Table->OemId, Table->OemTableId, OemRev);
}
/******************************************************************************
*
* 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);
ACPI_MOVE_32_TO_32(&AmlLength, &Table->Length);
AmlLength -= sizeof (ACPI_TABLE_HEADER);
AmlStart = ((UINT8 *) Table + sizeof (ACPI_TABLE_HEADER));
ASL_CV_INIT_FILETREE(Table, AmlStart, AmlLength);
/* Create the root object */
AcpiGbl_ParseOpRoot = AcpiPsCreateScopeOp (AmlStart);
if (!AcpiGbl_ParseOpRoot)
{
return (AE_NO_MEMORY);
}
#ifdef ACPI_ASL_COMPILER
if (AcpiGbl_CaptureComments)
{
AcpiGbl_ParseOpRoot->Common.CvFilename = AcpiGbl_FileTreeRoot->Filename;
}
else
{
AcpiGbl_ParseOpRoot->Common.CvFilename = NULL;
}
#endif
/* 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);
}