DT_FIELD *
DtScanFile (
FILE *Handle)
{
ACPI_STATUS Status;
UINT32 Offset;
ACPI_FUNCTION_NAME (DtScanFile);
/* Get the file size */
Gbl_InputByteCount = CmGetFileSize (Handle);
if (Gbl_InputByteCount == ACPI_UINT32_MAX)
{
AslAbort ();
}
Gbl_CurrentLineNumber = 0;
Gbl_CurrentLineOffset = 0;
Gbl_NextLineOffset = 0;
/* Scan line-by-line */
while ((Offset = DtGetNextLine (Handle, 0)) != ASL_EOF)
{
ACPI_DEBUG_PRINT ((ACPI_DB_PARSE, "Line %2.2u/%4.4X - %s",
Gbl_CurrentLineNumber, Offset, Gbl_CurrentLineBuffer));
Status = DtParseLine (Gbl_CurrentLineBuffer,
Gbl_CurrentLineNumber, Offset);
if (Status == AE_NOT_FOUND)
{
break;
}
}
/* Dump the parse tree if debug enabled */
DtDumpFieldList (Gbl_FieldList);
return (Gbl_FieldList);
}
static ACPI_STATUS
DtCompileDataTable (
DT_FIELD **FieldList)
{
ACPI_DMTABLE_DATA *TableData;
DT_SUBTABLE *Subtable;
char *Signature;
ACPI_TABLE_HEADER *AcpiTableHeader;
ACPI_STATUS Status;
DT_FIELD *RootField = *FieldList;
/* Verify that we at least have a table signature and save it */
Signature = DtGetFieldValue (*FieldList);
if (!Signature)
{
sprintf (MsgBuffer, "Expected \"%s\"", "Signature");
DtNameError (ASL_ERROR, ASL_MSG_INVALID_FIELD_NAME,
*FieldList, MsgBuffer);
return (AE_ERROR);
}
Gbl_Signature = UtLocalCalloc (ACPI_STRLEN (Signature) + 1);
strcpy (Gbl_Signature, Signature);
/*
* Handle tables that don't use the common ACPI table header structure.
* Currently, these are the FACS and RSDP. Also check for an OEMx table,
* these tables have user-defined contents.
*/
if (ACPI_COMPARE_NAME (Signature, ACPI_SIG_FACS))
{
Status = DtCompileFacs (FieldList);
if (ACPI_FAILURE (Status))
{
return (Status);
}
DtSetTableLength ();
return (Status);
}
else if (ACPI_VALIDATE_RSDP_SIG (Signature))
{
Status = DtCompileRsdp (FieldList);
return (Status);
}
else if (ACPI_COMPARE_NAME (Signature, ACPI_SIG_S3PT))
{
Status = DtCompileS3pt (FieldList);
if (ACPI_FAILURE (Status))
{
return (Status);
}
DtSetTableLength ();
return (Status);
}
/*
* All other tables must use the common ACPI table header. Insert the
* current iASL IDs (name, version), and compile the header now.
*/
DtInsertCompilerIds (*FieldList);
Status = DtCompileTable (FieldList, AcpiDmTableInfoHeader,
&Gbl_RootTable, TRUE);
if (ACPI_FAILURE (Status))
{
return (Status);
}
DtPushSubtable (Gbl_RootTable);
/* Validate the signature via the ACPI table list */
TableData = AcpiDmGetTableData (Signature);
if (!TableData || Gbl_CompileGeneric)
{
DtCompileGeneric ((void **) FieldList);
goto FinishHeader;
}
/* Dispatch to per-table compile */
if (TableData->CmTableHandler)
{
/* Complex table, has a handler */
Status = TableData->CmTableHandler ((void **) FieldList);
if (ACPI_FAILURE (Status))
{
return (Status);
}
}
else if (TableData->TableInfo)
{
/* Simple table, just walk the info table */
Subtable = NULL;
Status = DtCompileTable (FieldList, TableData->TableInfo,
&Subtable, TRUE);
if (ACPI_FAILURE (Status))
{
return (Status);
}
DtInsertSubtable (Gbl_RootTable, Subtable);
DtPopSubtable ();
}
else
{
DtFatal (ASL_MSG_COMPILER_INTERNAL, *FieldList,
"Missing table dispatch info");
return (AE_ERROR);
}
FinishHeader:
/* Set the final table length and then the checksum */
DtSetTableLength ();
AcpiTableHeader = ACPI_CAST_PTR (
ACPI_TABLE_HEADER, Gbl_RootTable->Buffer);
DtSetTableChecksum (&AcpiTableHeader->Checksum);
DtDumpFieldList (RootField);
DtDumpSubtableList ();
return (AE_OK);
}
