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FreeBSD hs32.drive.ne.jp 9.1-RELEASE FreeBSD 9.1-RELEASE #1: Wed Jan 14 12:18:08 JST 2015 root@hs32.drive.ne.jp:/sys/amd64/compile/hs32 amd64 |
| Current File : //sys/contrib/dev/acpica/compiler/dtcompile.c |
/******************************************************************************
*
* Module Name: dtcompile.c - Front-end for data table compiler
*
*****************************************************************************/
/*
* Copyright (C) 2000 - 2011, 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.
*/
#define __DTCOMPILE_C__
#define _DECLARE_DT_GLOBALS
#include <contrib/dev/acpica/compiler/aslcompiler.h>
#include <contrib/dev/acpica/compiler/dtcompiler.h>
#define _COMPONENT DT_COMPILER
ACPI_MODULE_NAME ("dtcompile")
static char VersionString[9];
/* Local prototypes */
static ACPI_STATUS
DtInitialize (
void);
static ACPI_STATUS
DtCompileDataTable (
DT_FIELD **Field);
static void
DtInsertCompilerIds (
DT_FIELD *FieldList);
/******************************************************************************
*
* FUNCTION: DtDoCompile
*
* PARAMETERS: None
*
* RETURN: Status
*
* DESCRIPTION: Main entry point for the data table compiler.
*
* Note: Assumes Gbl_Files[ASL_FILE_INPUT] is initialized and the file is
* open at seek offset zero.
*
*****************************************************************************/
ACPI_STATUS
DtDoCompile (
void)
{
ACPI_STATUS Status;
UINT8 Event;
DT_FIELD *FieldList;
/* Initialize globals */
Status = DtInitialize ();
if (ACPI_FAILURE (Status))
{
printf ("Error during compiler initialization, 0x%X\n", Status);
return (Status);
}
/*
* Scan the input file (file is already open) and
* build the parse tree
*/
Event = UtBeginEvent ("Scan and parse input file");
FieldList = DtScanFile (Gbl_Files[ASL_FILE_INPUT].Handle);
UtEndEvent (Event);
/* Did the parse tree get successfully constructed? */
if (!FieldList)
{
/* TBD: temporary error message. Msgs should come from function above */
DtError (ASL_ERROR, ASL_MSG_SYNTAX, NULL,
"Input file does not appear to be an ASL or data table source file");
Status = AE_ERROR;
goto CleanupAndExit;
}
Event = UtBeginEvent ("Compile parse tree");
/*
* Compile the parse tree
*/
Status = DtCompileDataTable (&FieldList);
UtEndEvent (Event);
DtFreeFieldList ();
if (ACPI_FAILURE (Status))
{
/* TBD: temporary error message. Msgs should come from function above */
DtError (ASL_ERROR, ASL_MSG_SYNTAX, NULL,
"Could not compile input file");
goto CleanupAndExit;
}
/* Create/open the binary output file */
Gbl_Files[ASL_FILE_AML_OUTPUT].Filename = NULL;
Status = FlOpenAmlOutputFile (Gbl_OutputFilenamePrefix);
if (ACPI_FAILURE (Status))
{
goto CleanupAndExit;
}
/* Write the binary, then the optional hex file */
DtOutputBinary (Gbl_RootTable);
LsDoHexOutput ();
DtWriteTableToListing ();
CleanupAndExit:
CmCleanupAndExit ();
return (Status);
}
/******************************************************************************
*
* FUNCTION: DtInitialize
*
* PARAMETERS: None
*
* RETURN: Status
*
* DESCRIPTION: Initialize data table compiler globals. Enables multiple
* compiles per invocation.
*
*****************************************************************************/
static ACPI_STATUS
DtInitialize (
void)
{
ACPI_STATUS Status;
Status = AcpiOsInitialize ();
if (ACPI_FAILURE (Status))
{
return (Status);
}
Status = AcpiUtInitGlobals ();
if (ACPI_FAILURE (Status))
{
return (Status);
}
Gbl_FieldList = NULL;
Gbl_RootTable = NULL;
Gbl_SubtableStack = NULL;
sprintf (VersionString, "%X", (UINT32) ACPI_CA_VERSION);
return (AE_OK);
}
/******************************************************************************
*
* FUNCTION: DtInsertCompilerIds
*
* PARAMETERS: FieldList - Current field list pointer
*
* RETURN: None
*
* DESCRIPTION: Insert the IDs (Name, Version) of the current compiler into
* the original ACPI table header.
*
*****************************************************************************/
static void
DtInsertCompilerIds (
DT_FIELD *FieldList)
{
DT_FIELD *Next;
UINT32 i;
/*
* Don't insert current compiler ID if requested. Used for compiler
* debug/validation only.
*/
if (Gbl_UseOriginalCompilerId)
{
return;
}
/* Walk to the Compiler fields at the end of the header */
Next = FieldList;
for (i = 0; i < 7; i++)
{
Next = Next->Next;
}
Next->Value = ASL_CREATOR_ID;
Next->Flags = DT_FIELD_NOT_ALLOCATED;
Next = Next->Next;
Next->Value = VersionString;
Next->Flags = DT_FIELD_NOT_ALLOCATED;
}
/******************************************************************************
*
* FUNCTION: DtCompileDataTable
*
* PARAMETERS: FieldList - Current field list pointer
*
* RETURN: Status
*
* DESCRIPTION: Entry point to compile one data table
*
*****************************************************************************/
static ACPI_STATUS
DtCompileDataTable (
DT_FIELD **FieldList)
{
ACPI_DMTABLE_DATA *TableData;
DT_SUBTABLE *Subtable;
char *Signature;
ACPI_TABLE_HEADER *AcpiTableHeader;
ACPI_STATUS Status;
/* 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_COMPARE_NAME (Signature, ACPI_SIG_RSDP))
{
Status = DtCompileRsdp (FieldList);
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)
{
DtCompileGeneric ((void **) FieldList);
goto Out;
}
/* 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);
}
Out:
/* Set the final table length and then the checksum */
DtSetTableLength ();
AcpiTableHeader = ACPI_CAST_PTR (
ACPI_TABLE_HEADER, Gbl_RootTable->Buffer);
DtSetTableChecksum (&AcpiTableHeader->Checksum);
return (AE_OK);
}
/******************************************************************************
*
* FUNCTION: DtCompileTable
*
* PARAMETERS: Field - Current field list pointer
* Info - Info table for this ACPI table
* RetSubtable - Compile result of table
* Required - If this subtable must exist
*
* RETURN: Status
*
* DESCRIPTION: Compile a subtable
*
*****************************************************************************/
ACPI_STATUS
DtCompileTable (
DT_FIELD **Field,
ACPI_DMTABLE_INFO *Info,
DT_SUBTABLE **RetSubtable,
BOOLEAN Required)
{
DT_FIELD *LocalField;
UINT32 Length;
DT_SUBTABLE *Subtable;
DT_SUBTABLE *InlineSubtable;
UINT32 FieldLength = 0;
UINT8 FieldType;
UINT8 *Buffer;
UINT8 *FlagBuffer = NULL;
ACPI_STATUS Status;
if (!Field || !*Field)
{
return (AE_BAD_PARAMETER);
}
Length = DtGetSubtableLength (*Field, Info);
if (Length == ASL_EOF)
{
return (AE_ERROR);
}
Subtable = UtLocalCalloc (sizeof (DT_SUBTABLE));
if (Length > 0)
{
Subtable->Buffer = UtLocalCalloc (Length);
}
Subtable->Length = Length;
Subtable->TotalLength = Length;
Buffer = Subtable->Buffer;
LocalField = *Field;
/*
* Main loop walks the info table for this ACPI table or subtable
*/
for (; Info->Name; Info++)
{
if (!LocalField)
{
sprintf (MsgBuffer, "Found NULL field - Field name \"%s\" needed",
Info->Name);
DtFatal (ASL_MSG_COMPILER_INTERNAL, NULL, MsgBuffer);
Status = AE_BAD_DATA;
goto Error;
}
/* Maintain table offsets */
LocalField->TableOffset = Gbl_CurrentTableOffset;
FieldLength = DtGetFieldLength (LocalField, Info);
Gbl_CurrentTableOffset += FieldLength;
FieldType = DtGetFieldType (Info);
Gbl_InputFieldCount++;
switch (FieldType)
{
case DT_FIELD_TYPE_FLAGS_INTEGER:
/*
* Start of the definition of a flags field.
* This master flags integer starts at value zero, in preparation
* to compile and insert the flag fields from the individual bits
*/
LocalField = LocalField->Next;
*Field = LocalField;
FlagBuffer = Buffer;
break;
case DT_FIELD_TYPE_FLAG:
/* Individual Flag field, can be multiple bits */
if (FlagBuffer)
{
DtCompileFlag (FlagBuffer, LocalField, Info);
}
else
{
/* TBD - this is an internal error */
}
LocalField = LocalField->Next;
*Field = LocalField;
break;
case DT_FIELD_TYPE_INLINE_SUBTABLE:
/*
* Recursion (one level max): compile GAS (Generic Address)
* or Notify in-line subtable
*/
*Field = LocalField;
if (Info->Opcode == ACPI_DMT_GAS)
{
Status = DtCompileTable (Field, AcpiDmTableInfoGas,
&InlineSubtable, TRUE);
}
else
{
Status = DtCompileTable (Field, AcpiDmTableInfoHestNotify,
&InlineSubtable, TRUE);
}
if (ACPI_FAILURE (Status))
{
goto Error;
}
DtSetSubtableLength (InlineSubtable);
ACPI_MEMCPY (Buffer, InlineSubtable->Buffer, FieldLength);
ACPI_FREE (InlineSubtable->Buffer);
ACPI_FREE (InlineSubtable);
LocalField = *Field;
break;
case DT_FIELD_TYPE_LABEL:
DtWriteFieldToListing (Buffer, LocalField, 0);
LocalField = LocalField->Next;
break;
default:
/* Normal case for most field types (Integer, String, etc.) */
DtCompileOneField (Buffer, LocalField,
FieldLength, FieldType, Info->Flags);
DtWriteFieldToListing (Buffer, LocalField, FieldLength);
LocalField = LocalField->Next;
if (Info->Flags & DT_LENGTH)
{
/* Field is an Integer that will contain a subtable length */
Subtable->LengthField = Buffer;
Subtable->SizeOfLengthField = FieldLength;
}
break;
}
Buffer += FieldLength;
}
*Field = LocalField;
*RetSubtable = Subtable;
return (AE_OK);
Error:
ACPI_FREE (Subtable->Buffer);
ACPI_FREE (Subtable);
return (Status);
}