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\n",
Table->Signature);
fprintf (stderr, "Formatted output: %s - %u bytes\n",
DisasmFilename, AdGetFileSize (File));
}
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");
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 (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 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));
goto Cleanup;
}
if (AslCompilerdebug)
{
AcpiOsPrintf ("/**** After second load and resource conversion\n");
NsSetupNamespaceListing (File);
NsDisplayNamespace ();
AcpiOsPrintf ("*****/\n");
AcpiDmDumpTree (AcpiGbl_ParseOpRoot);
}
}
/*
* 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)
*/
AcpiDmConvertResourceIndexes (AcpiGbl_ParseOpRoot, AcpiGbl_RootNode);
/* Optional displays */
if (AcpiGbl_DbOpt_disasm)
{
/* This is the real disassembly */
AdDisplayTables (Filename, Table);
/* Dump hex table if requested (-vt) */
AcpiDmDumpDataTable (Table);
fprintf (stderr, "Disassembly completed\n");
fprintf (stderr, "ASL Output: %s - %u bytes\n",
DisasmFilename, AdGetFileSize (File));
}
}
Cleanup:
if (Table && !AcpiUtIsAmlTable (Table))
{
ACPI_FREE (Table);
}
if (OutToFile && File)
{
if (AslCompilerdebug) /* Display final namespace, with transforms */
{
NsSetupNamespaceListing (File);
NsDisplayNamespace ();
}
fclose (File);
AcpiOsRedirectOutput (stdout);
}
AcpiPsDeleteParseTree (AcpiGbl_ParseOpRoot);
AcpiGbl_ParseOpRoot = NULL;
return (Status);
}
static ACPI_STATUS
AdDisassembleOneTable (
ACPI_TABLE_HEADER *Table,
FILE *File,
char *Filename,
char *DisasmFilename)
{
ACPI_STATUS Status;
ACPI_OWNER_ID OwnerId;
/* ForceAmlDisassembly means to assume the table contains valid AML */
if (!AcpiGbl_ForceAmlDisassembly && !AcpiUtIsAmlTable (Table))
{
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\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);
}
/*
* 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);
}
/* 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 (AcpiDmGetExternalMethodCount ())
{
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)
*/
AcpiDmConvertResourceIndexes (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 (Gbl_MapfileFlag)
{
fprintf (stderr, "%14s %s - %u bytes\n",
Gbl_Files[ASL_FILE_MAP_OUTPUT].ShortDescription,
Gbl_Files[ASL_FILE_MAP_OUTPUT].Filename,
FlGetFileSize (ASL_FILE_MAP_OUTPUT));
}
}
return (AE_OK);
}
static ACPI_STATUS
DtCreateOneTemplate (
char *Signature,
ACPI_DMTABLE_DATA *TableData)
{
char *DisasmFilename;
FILE *File;
ACPI_STATUS Status = AE_OK;
ACPI_SIZE Actual;
/* New file will have a .asl suffix */
DisasmFilename = FlGenerateFilename (
Signature, FILE_SUFFIX_ASL_CODE);
if (!DisasmFilename)
{
fprintf (stderr, "Could not generate output filename\n");
return (AE_ERROR);
}
/* Probably should prompt to overwrite the file */
AcpiUtStrlwr (DisasmFilename);
File = fopen (DisasmFilename, "w+");
if (!File)
{
fprintf (stderr, "Could not open output file %s\n", DisasmFilename);
return (AE_ERROR);
}
/* Emit the common file header */
AcpiOsRedirectOutput (File);
AcpiOsPrintf ("/*\n");
AcpiOsPrintf (ACPI_COMMON_HEADER ("iASL Compiler/Disassembler", " * "));
AcpiOsPrintf (" * Template for [%4.4s] ACPI Table\n",
Signature);
/* Dump the actual ACPI table */
if (TableData)
{
/* Normal case, tables that appear in AcpiDmTableData */
if (Gbl_VerboseTemplates)
{
AcpiOsPrintf (" * Format: [HexOffset DecimalOffset ByteLength]"
" FieldName : HexFieldValue\n */\n\n");
}
else
{
AcpiOsPrintf (" * Format: [ByteLength]"
" FieldName : HexFieldValue\n */\n\n");
}
AcpiDmDumpDataTable (ACPI_CAST_PTR (ACPI_TABLE_HEADER,
TableData->Template));
}
else
{
/* Special ACPI tables - DSDT, SSDT, FADT, RSDP */
AcpiOsPrintf (" */\n\n");
if (ACPI_COMPARE_NAME (Signature, ACPI_SIG_DSDT))
{
Actual = fwrite (TemplateDsdt, 1, sizeof (TemplateDsdt) -1, File);
if (Actual != sizeof (TemplateDsdt) -1)
{
fprintf (stderr,
"Could not write to output file %s\n", DisasmFilename);
Status = AE_ERROR;
goto Cleanup;
}
}
else if (ACPI_COMPARE_NAME (Signature, ACPI_SIG_SSDT))
{
Actual = fwrite (TemplateSsdt, 1, sizeof (TemplateSsdt) -1, File);
if (Actual != sizeof (TemplateSsdt) -1)
{
fprintf (stderr,
"Could not write to output file %s\n", DisasmFilename);
Status = AE_ERROR;
goto Cleanup;
}
}
else if (ACPI_COMPARE_NAME (Signature, ACPI_SIG_FACS)) /* FADT */
{
AcpiDmDumpDataTable (ACPI_CAST_PTR (ACPI_TABLE_HEADER,
TemplateFacs));
}
else if (ACPI_COMPARE_NAME (Signature, ACPI_RSDP_NAME))
{
AcpiDmDumpDataTable (ACPI_CAST_PTR (ACPI_TABLE_HEADER,
TemplateRsdp));
}
else
{
fprintf (stderr,
"%4.4s, Unrecognized ACPI table signature\n", Signature);
Status = AE_ERROR;
goto Cleanup;
}
}
fprintf (stderr,
"Created ACPI table template for [%4.4s], written to \"%s\"\n",
Signature, DisasmFilename);
Cleanup:
fclose (File);
AcpiOsRedirectOutput (stdout);
ACPI_FREE (DisasmFilename);
return (Status);
}
static ACPI_STATUS
DtCreateOneTemplate (
char *Signature,
UINT32 TableCount,
const ACPI_DMTABLE_DATA *TableData)
{
char *DisasmFilename;
FILE *File;
ACPI_STATUS Status = AE_OK;
int Actual;
UINT32 i;
/* New file will have a .asl suffix */
DisasmFilename = FlGenerateFilename (
Signature, FILE_SUFFIX_ASL_CODE);
if (!DisasmFilename)
{
fprintf (stderr, "Could not generate output filename\n");
return (AE_ERROR);
}
AcpiUtStrlwr (DisasmFilename);
if (!UtQueryForOverwrite (DisasmFilename))
{
return (AE_ERROR);
}
File = fopen (DisasmFilename, "w+");
if (!File)
{
fprintf (stderr, "Could not open output file %s\n",
DisasmFilename);
return (AE_ERROR);
}
/* Emit the common file header */
AcpiOsRedirectOutput (File);
AcpiOsPrintf ("/*\n");
AcpiOsPrintf (ACPI_COMMON_HEADER ("iASL Compiler/Disassembler", " * "));
if (TableCount == 0)
{
AcpiOsPrintf (" * Template for [%4.4s] ACPI Table",
Signature);
}
else
{
AcpiOsPrintf (" * Template for [%4.4s] and %u [SSDT] ACPI Tables",
Signature, TableCount);
}
/* Dump the actual ACPI table */
if (TableData)
{
/* Normal case, tables that appear in AcpiDmTableData */
AcpiOsPrintf (" (static data table)\n");
if (AslGbl_VerboseTemplates)
{
AcpiOsPrintf (" * Format: [HexOffset DecimalOffset ByteLength]"
" FieldName : HexFieldValue\n */\n\n");
}
else
{
AcpiOsPrintf (" * Format: [ByteLength]"
" FieldName : HexFieldValue\n */\n");
}
AcpiDmDumpDataTable (ACPI_CAST_PTR (ACPI_TABLE_HEADER,
TableData->Template));
}
else
{
/* Special ACPI tables - DSDT, SSDT, OSDT, FACS, RSDP */
AcpiOsPrintf (" (AML byte code table)\n");
AcpiOsPrintf (" */\n");
if (ACPI_COMPARE_NAME (Signature, ACPI_SIG_DSDT))
{
Actual = DtEmitDefinitionBlock (
File, DisasmFilename, ACPI_SIG_DSDT, 1);
if (Actual < 0)
{
Status = AE_ERROR;
goto Cleanup;
}
/* Emit any requested SSDTs into the same file */
for (i = 1; i <= TableCount; i++)
{
Actual = DtEmitDefinitionBlock (
File, DisasmFilename, ACPI_SIG_SSDT, i + 1);
if (Actual < 0)
{
Status = AE_ERROR;
goto Cleanup;
}
}
}
else if (ACPI_COMPARE_NAME (Signature, ACPI_SIG_SSDT))
{
Actual = DtEmitDefinitionBlock (
File, DisasmFilename, ACPI_SIG_SSDT, 1);
if (Actual < 0)
{
Status = AE_ERROR;
goto Cleanup;
}
}
else if (ACPI_COMPARE_NAME (Signature, ACPI_SIG_OSDT))
{
Actual = DtEmitDefinitionBlock (
File, DisasmFilename, ACPI_SIG_OSDT, 1);
if (Actual < 0)
{
Status = AE_ERROR;
goto Cleanup;
}
}
else if (ACPI_COMPARE_NAME (Signature, ACPI_SIG_FACS))
{
AcpiDmDumpDataTable (ACPI_CAST_PTR (ACPI_TABLE_HEADER,
TemplateFacs));
}
else if (ACPI_COMPARE_NAME (Signature, ACPI_RSDP_NAME))
{
AcpiDmDumpDataTable (ACPI_CAST_PTR (ACPI_TABLE_HEADER,
TemplateRsdp));
}
else
{
fprintf (stderr,
"%4.4s, Unrecognized ACPI table signature\n", Signature);
Status = AE_ERROR;
goto Cleanup;
}
}
if (TableCount == 0)
{
fprintf (stderr,
"Created ACPI table template for [%4.4s], "
"written to \"%s\"\n",
Signature, DisasmFilename);
}
else
{
fprintf (stderr,
"Created ACPI table templates for [%4.4s] "
"and %u [SSDT], written to \"%s\"\n",
Signature, TableCount, DisasmFilename);
}
Cleanup:
fclose (File);
AcpiOsRedirectOutput (stdout);
return (Status);
}