forked from KolibriOS/kolibrios
944 lines
25 KiB
C
944 lines
25 KiB
C
/******************************************************************************
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*
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* Module Name: dtutils.c - Utility routines for the data table compiler
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*
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*****************************************************************************/
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/******************************************************************************
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*
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* 1. Copyright Notice
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*
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* Some or all of this work - Copyright (c) 1999 - 2011, Intel Corp.
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* All rights reserved.
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*
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* 2. License
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*
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* 2.1. This is your license from Intel Corp. under its intellectual property
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* rights. You may have additional license terms from the party that provided
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* you this software, covering your right to use that party's intellectual
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* property rights.
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*
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* 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
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* copy of the source code appearing in this file ("Covered Code") an
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* irrevocable, perpetual, worldwide license under Intel's copyrights in the
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* base code distributed originally by Intel ("Original Intel Code") to copy,
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* make derivatives, distribute, use and display any portion of the Covered
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* Code in any form, with the right to sublicense such rights; and
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*
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* 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
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* license (with the right to sublicense), under only those claims of Intel
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* patents that are infringed by the Original Intel Code, to make, use, sell,
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* offer to sell, and import the Covered Code and derivative works thereof
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* solely to the minimum extent necessary to exercise the above copyright
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* license, and in no event shall the patent license extend to any additions
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* to or modifications of the Original Intel Code. No other license or right
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* is granted directly or by implication, estoppel or otherwise;
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*
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* The above copyright and patent license is granted only if the following
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* conditions are met:
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*
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* 3. Conditions
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*
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* 3.1. Redistribution of Source with Rights to Further Distribute Source.
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* Redistribution of source code of any substantial portion of the Covered
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* Code or modification with rights to further distribute source must include
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* the above Copyright Notice, the above License, this list of Conditions,
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* and the following Disclaimer and Export Compliance provision. In addition,
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* Licensee must cause all Covered Code to which Licensee contributes to
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* contain a file documenting the changes Licensee made to create that Covered
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* Code and the date of any change. Licensee must include in that file the
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* documentation of any changes made by any predecessor Licensee. Licensee
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* must include a prominent statement that the modification is derived,
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* directly or indirectly, from Original Intel Code.
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*
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* 3.2. Redistribution of Source with no Rights to Further Distribute Source.
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* Redistribution of source code of any substantial portion of the Covered
|
|
* Code or modification without rights to further distribute source must
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* include the following Disclaimer and Export Compliance provision in the
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* documentation and/or other materials provided with distribution. In
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* addition, Licensee may not authorize further sublicense of source of any
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* portion of the Covered Code, and must include terms to the effect that the
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* license from Licensee to its licensee is limited to the intellectual
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* property embodied in the software Licensee provides to its licensee, and
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* not to intellectual property embodied in modifications its licensee may
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* make.
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*
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* 3.3. Redistribution of Executable. Redistribution in executable form of any
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* substantial portion of the Covered Code or modification must reproduce the
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* above Copyright Notice, and the following Disclaimer and Export Compliance
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* provision in the documentation and/or other materials provided with the
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* distribution.
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*
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* 3.4. Intel retains all right, title, and interest in and to the Original
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* Intel Code.
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*
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* 3.5. Neither the name Intel nor any other trademark owned or controlled by
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* Intel shall be used in advertising or otherwise to promote the sale, use or
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* other dealings in products derived from or relating to the Covered Code
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* without prior written authorization from Intel.
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*
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* 4. Disclaimer and Export Compliance
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*
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* 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
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* HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
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* IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE,
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* INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY
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* UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY
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* IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
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* PARTICULAR PURPOSE.
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*
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* 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
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* OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
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* COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
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* SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
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* CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
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* HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS
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* SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
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* LIMITED REMEDY.
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*
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* 4.3. Licensee shall not export, either directly or indirectly, any of this
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* software or system incorporating such software without first obtaining any
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* required license or other approval from the U. S. Department of Commerce or
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* any other agency or department of the United States Government. In the
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* event Licensee exports any such software from the United States or
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* re-exports any such software from a foreign destination, Licensee shall
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* ensure that the distribution and export/re-export of the software is in
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* compliance with all laws, regulations, orders, or other restrictions of the
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* U.S. Export Administration Regulations. Licensee agrees that neither it nor
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* any of its subsidiaries will export/re-export any technical data, process,
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* software, or service, directly or indirectly, to any country for which the
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* United States government or any agency thereof requires an export license,
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* other governmental approval, or letter of assurance, without first obtaining
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* such license, approval or letter.
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*
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*****************************************************************************/
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#define __DTUTILS_C__
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#include "aslcompiler.h"
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#include "dtcompiler.h"
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#include "actables.h"
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#define _COMPONENT DT_COMPILER
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ACPI_MODULE_NAME ("dtutils")
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/* Local prototypes */
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static void
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DtSum (
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DT_SUBTABLE *Subtable,
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void *Context,
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void *ReturnValue);
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/******************************************************************************
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*
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* FUNCTION: DtError
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*
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* PARAMETERS: Level - Seriousness (Warning/error, etc.)
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* MessageId - Index into global message buffer
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* Op - Parse node where error happened
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* ExtraMessage - additional error message
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*
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* RETURN: None
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*
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* DESCRIPTION: Common error interface for data table compiler
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*
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*****************************************************************************/
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void
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DtError (
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UINT8 Level,
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UINT8 MessageId,
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DT_FIELD *FieldObject,
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char *ExtraMessage)
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{
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switch (Level)
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{
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case ASL_WARNING2:
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case ASL_WARNING3:
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if (Gbl_WarningLevel < Level)
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{
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return;
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}
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break;
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default:
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break;
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}
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if (FieldObject)
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{
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AslCommonError (Level, MessageId,
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FieldObject->Line,
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FieldObject->Line,
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FieldObject->ByteOffset,
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FieldObject->Column,
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Gbl_Files[ASL_FILE_INPUT].Filename, ExtraMessage);
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}
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else
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{
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AslCommonError (Level, MessageId, 0,
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0, 0, 0, 0, ExtraMessage);
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}
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}
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/******************************************************************************
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*
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* FUNCTION: DtNameError
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*
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* PARAMETERS: Level - Seriousness (Warning/error, etc.)
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* MessageId - Index into global message buffer
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* Op - Parse node where error happened
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* ExtraMessage - additional error message
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*
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* RETURN: None
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*
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* DESCRIPTION: Error interface for named objects
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*
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*****************************************************************************/
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void
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DtNameError (
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UINT8 Level,
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UINT8 MessageId,
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DT_FIELD *FieldObject,
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char *ExtraMessage)
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{
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switch (Level)
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{
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case ASL_WARNING2:
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case ASL_WARNING3:
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if (Gbl_WarningLevel < Level)
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{
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return;
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}
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break;
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default:
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break;
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}
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if (FieldObject)
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{
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AslCommonError (Level, MessageId,
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FieldObject->Line,
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FieldObject->Line,
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FieldObject->ByteOffset,
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FieldObject->NameColumn,
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Gbl_Files[ASL_FILE_INPUT].Filename, ExtraMessage);
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}
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else
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{
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AslCommonError (Level, MessageId, 0,
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0, 0, 0, 0, ExtraMessage);
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}
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}
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/*******************************************************************************
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*
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* FUNCTION: DtFatal
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*
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* PARAMETERS: None
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*
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* RETURN: None
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*
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* DESCRIPTION: Dump the error log and abort the compiler. Used for serious
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* compile or I/O errors
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*
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******************************************************************************/
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void
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DtFatal (
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UINT8 MessageId,
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DT_FIELD *FieldObject,
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char *ExtraMessage)
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{
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DtError (ASL_ERROR, MessageId, FieldObject, ExtraMessage);
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/*
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* TBD: remove this entire function, DtFatal
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*
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* We cannot abort the compiler on error, because we may be compiling a
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* list of files. We must move on to the next file.
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*/
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#ifdef __OBSOLETE
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CmCleanupAndExit ();
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exit (1);
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#endif
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}
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/******************************************************************************
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*
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* FUNCTION: DtStrtoul64
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*
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* PARAMETERS: String - Null terminated string
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* ReturnInteger - Where the converted integer is returned
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*
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* RETURN: Status
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*
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* DESCRIPTION: Simple conversion of a string hex integer constant to unsigned
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* value. Assumes no leading "0x" for the constant.
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*
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* Portability note: The reason this function exists is because a 64-bit
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* sscanf is not available in all environments.
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*
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*****************************************************************************/
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ACPI_STATUS
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DtStrtoul64 (
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char *String,
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UINT64 *ReturnInteger)
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{
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char *ThisChar = String;
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UINT32 ThisDigit;
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UINT64 ReturnValue = 0;
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int DigitCount = 0;
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/* Skip over any white space in the buffer */
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while ((*ThisChar == ' ') || (*ThisChar == '\t'))
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{
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ThisChar++;
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}
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/* Skip leading zeros */
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while ((*ThisChar) == '0')
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{
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ThisChar++;
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}
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/* Convert character-by-character */
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while (*ThisChar)
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{
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if (ACPI_IS_DIGIT (*ThisChar))
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{
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/* Convert ASCII 0-9 to Decimal value */
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ThisDigit = ((UINT8) *ThisChar) - '0';
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}
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else /* Letter */
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{
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ThisDigit = (UINT32) ACPI_TOUPPER (*ThisChar);
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if (!ACPI_IS_XDIGIT ((char) ThisDigit))
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{
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/* Not A-F */
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return (AE_BAD_CHARACTER);
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}
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/* Convert ASCII Hex char (A-F) to value */
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ThisDigit = (ThisDigit - 'A') + 10;
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}
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/* Insert the 4-bit hex digit */
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ReturnValue <<= 4;
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ReturnValue += ThisDigit;
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ThisChar++;
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DigitCount++;
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if (DigitCount > 16)
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{
|
|
/* Value is too large (> 64 bits/8 bytes/16 hex digits) */
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|
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return (AE_LIMIT);
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}
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}
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*ReturnInteger = ReturnValue;
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return (AE_OK);
|
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}
|
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|
|
|
|
/******************************************************************************
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*
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* FUNCTION: DtGetFileSize
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*
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* PARAMETERS: Handle - Open file handler
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*
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* RETURN: Current file size
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*
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* DESCRIPTION: Get the current size of a file. Seek to the EOF and get the
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* offset. Seek back to the original location.
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*
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*****************************************************************************/
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UINT32
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DtGetFileSize (
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FILE *Handle)
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{
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int CurrentOffset;
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int LastOffset;
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|
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CurrentOffset = ftell (Handle);
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fseek (Handle, 0, SEEK_END);
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LastOffset = ftell (Handle);
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fseek (Handle, CurrentOffset, SEEK_SET);
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return ((UINT32) LastOffset);
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}
|
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|
|
|
|
/******************************************************************************
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*
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* FUNCTION: DtGetFieldValue
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|
*
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* PARAMETERS: Field - Current field list pointer
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*
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* RETURN: Field value
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*
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* DESCRIPTION: Get field value
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*
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*****************************************************************************/
|
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char *
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DtGetFieldValue (
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DT_FIELD *Field)
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{
|
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if (!Field)
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{
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return (NULL);
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}
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return (Field->Value);
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}
|
|
|
|
|
|
/******************************************************************************
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*
|
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* FUNCTION: DtGetFieldType
|
|
*
|
|
* PARAMETERS: Info - Data table info
|
|
*
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* RETURN: Field type
|
|
*
|
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* DESCRIPTION: Get field type
|
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*
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*****************************************************************************/
|
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|
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UINT8
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DtGetFieldType (
|
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ACPI_DMTABLE_INFO *Info)
|
|
{
|
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UINT8 Type;
|
|
|
|
|
|
/* DT_FLAG means that this is the start of a block of flag bits */
|
|
/* TBD - we can make these a separate opcode later */
|
|
|
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if (Info->Flags & DT_FLAG)
|
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{
|
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return (DT_FIELD_TYPE_FLAGS_INTEGER);
|
|
}
|
|
|
|
/* Type is based upon the opcode for this field in the info table */
|
|
|
|
switch (Info->Opcode)
|
|
{
|
|
case ACPI_DMT_FLAG0:
|
|
case ACPI_DMT_FLAG1:
|
|
case ACPI_DMT_FLAG2:
|
|
case ACPI_DMT_FLAG3:
|
|
case ACPI_DMT_FLAG4:
|
|
case ACPI_DMT_FLAG5:
|
|
case ACPI_DMT_FLAG6:
|
|
case ACPI_DMT_FLAG7:
|
|
case ACPI_DMT_FLAGS0:
|
|
case ACPI_DMT_FLAGS2:
|
|
Type = DT_FIELD_TYPE_FLAG;
|
|
break;
|
|
|
|
case ACPI_DMT_NAME4:
|
|
case ACPI_DMT_SIG:
|
|
case ACPI_DMT_NAME6:
|
|
case ACPI_DMT_NAME8:
|
|
case ACPI_DMT_STRING:
|
|
Type = DT_FIELD_TYPE_STRING;
|
|
break;
|
|
|
|
case ACPI_DMT_BUFFER:
|
|
case ACPI_DMT_BUF7:
|
|
case ACPI_DMT_BUF16:
|
|
case ACPI_DMT_BUF128:
|
|
case ACPI_DMT_PCI_PATH:
|
|
Type = DT_FIELD_TYPE_BUFFER;
|
|
break;
|
|
|
|
case ACPI_DMT_GAS:
|
|
case ACPI_DMT_HESTNTFY:
|
|
Type = DT_FIELD_TYPE_INLINE_SUBTABLE;
|
|
break;
|
|
|
|
case ACPI_DMT_UNICODE:
|
|
Type = DT_FIELD_TYPE_UNICODE;
|
|
break;
|
|
|
|
case ACPI_DMT_UUID:
|
|
Type = DT_FIELD_TYPE_UUID;
|
|
break;
|
|
|
|
case ACPI_DMT_DEVICE_PATH:
|
|
Type = DT_FIELD_TYPE_DEVICE_PATH;
|
|
break;
|
|
|
|
case ACPI_DMT_LABEL:
|
|
Type = DT_FIELD_TYPE_LABEL;
|
|
break;
|
|
|
|
default:
|
|
Type = DT_FIELD_TYPE_INTEGER;
|
|
break;
|
|
}
|
|
|
|
return (Type);
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
*
|
|
* FUNCTION: DtGetBufferLength
|
|
*
|
|
* PARAMETERS: Buffer - List of integers,
|
|
* for example "10 3A 4F 2E"
|
|
*
|
|
* RETURN: Count of integer
|
|
*
|
|
* DESCRIPTION: Get length of bytes needed to store the integers
|
|
*
|
|
*****************************************************************************/
|
|
|
|
UINT32
|
|
DtGetBufferLength (
|
|
char *Buffer)
|
|
{
|
|
UINT32 ByteLength = 0;
|
|
|
|
|
|
while (*Buffer)
|
|
{
|
|
if (*Buffer == ' ')
|
|
{
|
|
ByteLength++;
|
|
|
|
while (*Buffer == ' ')
|
|
{
|
|
Buffer++;
|
|
}
|
|
}
|
|
|
|
Buffer++;
|
|
}
|
|
|
|
return (++ByteLength);
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
*
|
|
* FUNCTION: DtGetFieldLength
|
|
*
|
|
* PARAMETERS: Field - Current field
|
|
* Info - Data table info
|
|
*
|
|
* RETURN: Field length
|
|
*
|
|
* DESCRIPTION: Get length of bytes needed to compile the field
|
|
*
|
|
* Note: This function must remain in sync with AcpiDmDumpTable.
|
|
*
|
|
*****************************************************************************/
|
|
|
|
UINT32
|
|
DtGetFieldLength (
|
|
DT_FIELD *Field,
|
|
ACPI_DMTABLE_INFO *Info)
|
|
{
|
|
UINT32 ByteLength = 0;
|
|
char *Value;
|
|
|
|
|
|
/* Length is based upon the opcode for this field in the info table */
|
|
|
|
switch (Info->Opcode)
|
|
{
|
|
case ACPI_DMT_FLAG0:
|
|
case ACPI_DMT_FLAG1:
|
|
case ACPI_DMT_FLAG2:
|
|
case ACPI_DMT_FLAG3:
|
|
case ACPI_DMT_FLAG4:
|
|
case ACPI_DMT_FLAG5:
|
|
case ACPI_DMT_FLAG6:
|
|
case ACPI_DMT_FLAG7:
|
|
case ACPI_DMT_FLAGS0:
|
|
case ACPI_DMT_FLAGS2:
|
|
case ACPI_DMT_LABEL:
|
|
ByteLength = 0;
|
|
break;
|
|
|
|
case ACPI_DMT_UINT8:
|
|
case ACPI_DMT_CHKSUM:
|
|
case ACPI_DMT_SPACEID:
|
|
case ACPI_DMT_ACCWIDTH:
|
|
case ACPI_DMT_IVRS:
|
|
case ACPI_DMT_MADT:
|
|
case ACPI_DMT_SRAT:
|
|
case ACPI_DMT_ASF:
|
|
case ACPI_DMT_HESTNTYP:
|
|
case ACPI_DMT_FADTPM:
|
|
case ACPI_DMT_EINJACT:
|
|
case ACPI_DMT_EINJINST:
|
|
case ACPI_DMT_ERSTACT:
|
|
case ACPI_DMT_ERSTINST:
|
|
ByteLength = 1;
|
|
break;
|
|
|
|
case ACPI_DMT_UINT16:
|
|
case ACPI_DMT_DMAR:
|
|
case ACPI_DMT_HEST:
|
|
case ACPI_DMT_PCI_PATH:
|
|
ByteLength = 2;
|
|
break;
|
|
|
|
case ACPI_DMT_UINT24:
|
|
ByteLength = 3;
|
|
break;
|
|
|
|
case ACPI_DMT_UINT32:
|
|
case ACPI_DMT_NAME4:
|
|
case ACPI_DMT_SLIC:
|
|
case ACPI_DMT_SIG:
|
|
ByteLength = 4;
|
|
break;
|
|
|
|
case ACPI_DMT_NAME6:
|
|
ByteLength = 6;
|
|
break;
|
|
|
|
case ACPI_DMT_UINT56:
|
|
case ACPI_DMT_BUF7:
|
|
ByteLength = 7;
|
|
break;
|
|
|
|
case ACPI_DMT_UINT64:
|
|
case ACPI_DMT_NAME8:
|
|
ByteLength = 8;
|
|
break;
|
|
|
|
case ACPI_DMT_STRING:
|
|
Value = DtGetFieldValue (Field);
|
|
if (Value)
|
|
{
|
|
ByteLength = ACPI_STRLEN (Value) + 1;
|
|
}
|
|
else
|
|
{ /* At this point, this is a fatal error */
|
|
|
|
sprintf (MsgBuffer, "Expected \"%s\"", Info->Name);
|
|
DtFatal (ASL_MSG_COMPILER_INTERNAL, NULL, MsgBuffer);
|
|
return (0);
|
|
}
|
|
break;
|
|
|
|
case ACPI_DMT_GAS:
|
|
ByteLength = sizeof (ACPI_GENERIC_ADDRESS);
|
|
break;
|
|
|
|
case ACPI_DMT_HESTNTFY:
|
|
ByteLength = sizeof (ACPI_HEST_NOTIFY);
|
|
break;
|
|
|
|
case ACPI_DMT_BUFFER:
|
|
Value = DtGetFieldValue (Field);
|
|
if (Value)
|
|
{
|
|
ByteLength = DtGetBufferLength (Value);
|
|
}
|
|
else
|
|
{ /* At this point, this is a fatal error */
|
|
|
|
sprintf (MsgBuffer, "Expected \"%s\"", Info->Name);
|
|
DtFatal (ASL_MSG_COMPILER_INTERNAL, NULL, MsgBuffer);
|
|
return (0);
|
|
}
|
|
break;
|
|
|
|
case ACPI_DMT_BUF16:
|
|
case ACPI_DMT_UUID:
|
|
ByteLength = 16;
|
|
break;
|
|
|
|
case ACPI_DMT_BUF128:
|
|
ByteLength = 128;
|
|
break;
|
|
|
|
case ACPI_DMT_UNICODE:
|
|
Value = DtGetFieldValue (Field);
|
|
|
|
/* TBD: error if Value is NULL? (as below?) */
|
|
|
|
ByteLength = (ACPI_STRLEN (Value) + 1) * sizeof(UINT16);
|
|
break;
|
|
|
|
default:
|
|
DtFatal (ASL_MSG_COMPILER_INTERNAL, Field, "Invalid table opcode");
|
|
return (0);
|
|
}
|
|
|
|
return (ByteLength);
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
*
|
|
* FUNCTION: DtSum
|
|
*
|
|
* PARAMETERS: DT_WALK_CALLBACK:
|
|
* Subtable - Subtable
|
|
* Context - Unused
|
|
* ReturnValue - Store the checksum of subtable
|
|
*
|
|
* RETURN: Status
|
|
*
|
|
* DESCRIPTION: Get the checksum of subtable
|
|
*
|
|
*****************************************************************************/
|
|
|
|
static void
|
|
DtSum (
|
|
DT_SUBTABLE *Subtable,
|
|
void *Context,
|
|
void *ReturnValue)
|
|
{
|
|
UINT8 Checksum;
|
|
UINT8 *Sum = ReturnValue;
|
|
|
|
|
|
Checksum = AcpiTbChecksum (Subtable->Buffer, Subtable->Length);
|
|
*Sum = (UINT8) (*Sum + Checksum);
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
*
|
|
* FUNCTION: DtSetTableChecksum
|
|
*
|
|
* PARAMETERS: ChecksumPointer - Where to return the checksum
|
|
*
|
|
* RETURN: None
|
|
*
|
|
* DESCRIPTION: Set checksum of the whole data table into the checksum field
|
|
*
|
|
*****************************************************************************/
|
|
|
|
void
|
|
DtSetTableChecksum (
|
|
UINT8 *ChecksumPointer)
|
|
{
|
|
UINT8 Checksum = 0;
|
|
UINT8 OldSum;
|
|
|
|
|
|
DtWalkTableTree (Gbl_RootTable, DtSum, NULL, &Checksum);
|
|
|
|
OldSum = *ChecksumPointer;
|
|
Checksum = (UINT8) (Checksum - OldSum);
|
|
|
|
/* Compute the final checksum */
|
|
|
|
Checksum = (UINT8) (0 - Checksum);
|
|
*ChecksumPointer = Checksum;
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
*
|
|
* FUNCTION: DtSetTableLength
|
|
*
|
|
* PARAMETERS: None
|
|
*
|
|
* RETURN: None
|
|
*
|
|
* DESCRIPTION: Walk the subtables and set all the length fields
|
|
*
|
|
*****************************************************************************/
|
|
|
|
void
|
|
DtSetTableLength (
|
|
void)
|
|
{
|
|
DT_SUBTABLE *ParentTable;
|
|
DT_SUBTABLE *ChildTable;
|
|
|
|
|
|
ParentTable = Gbl_RootTable;
|
|
ChildTable = NULL;
|
|
|
|
if (!ParentTable)
|
|
{
|
|
return;
|
|
}
|
|
|
|
DtSetSubtableLength (ParentTable);
|
|
|
|
while (1)
|
|
{
|
|
ChildTable = DtGetNextSubtable (ParentTable, ChildTable);
|
|
if (ChildTable)
|
|
{
|
|
if (ChildTable->LengthField)
|
|
{
|
|
DtSetSubtableLength (ChildTable);
|
|
}
|
|
|
|
if (ChildTable->Child)
|
|
{
|
|
ParentTable = ChildTable;
|
|
ChildTable = NULL;
|
|
}
|
|
else
|
|
{
|
|
ParentTable->TotalLength += ChildTable->TotalLength;
|
|
if (ParentTable->LengthField)
|
|
{
|
|
DtSetSubtableLength (ParentTable);
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
ChildTable = ParentTable;
|
|
|
|
if (ChildTable == Gbl_RootTable)
|
|
{
|
|
break;
|
|
}
|
|
|
|
ParentTable = DtGetParentSubtable (ParentTable);
|
|
|
|
ParentTable->TotalLength += ChildTable->TotalLength;
|
|
if (ParentTable->LengthField)
|
|
{
|
|
DtSetSubtableLength (ParentTable);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
*
|
|
* FUNCTION: DtWalkTableTree
|
|
*
|
|
* PARAMETERS: StartTable - Subtable in the tree where walking begins
|
|
* UserFunction - Called during the walk
|
|
* Context - Passed to user function
|
|
* ReturnValue - The return value of UserFunction
|
|
*
|
|
* RETURN: None
|
|
*
|
|
* DESCRIPTION: Performs a depth-first walk of the subtable tree
|
|
*
|
|
*****************************************************************************/
|
|
|
|
void
|
|
DtWalkTableTree (
|
|
DT_SUBTABLE *StartTable,
|
|
DT_WALK_CALLBACK UserFunction,
|
|
void *Context,
|
|
void *ReturnValue)
|
|
{
|
|
DT_SUBTABLE *ParentTable;
|
|
DT_SUBTABLE *ChildTable;
|
|
|
|
|
|
ParentTable = StartTable;
|
|
ChildTable = NULL;
|
|
|
|
if (!ParentTable)
|
|
{
|
|
return;
|
|
}
|
|
|
|
UserFunction (ParentTable, Context, ReturnValue);
|
|
|
|
while (1)
|
|
{
|
|
ChildTable = DtGetNextSubtable (ParentTable, ChildTable);
|
|
if (ChildTable)
|
|
{
|
|
UserFunction (ChildTable, Context, ReturnValue);
|
|
|
|
if (ChildTable->Child)
|
|
{
|
|
ParentTable = ChildTable;
|
|
ChildTable = NULL;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
ChildTable = ParentTable;
|
|
if (ChildTable == Gbl_RootTable)
|
|
{
|
|
break;
|
|
}
|
|
|
|
ParentTable = DtGetParentSubtable (ParentTable);
|
|
|
|
if (ChildTable->Peer == StartTable)
|
|
{
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
*
|
|
* FUNCTION: DtFreeFieldList
|
|
*
|
|
* PARAMETERS: None
|
|
*
|
|
* RETURN: None
|
|
*
|
|
* DESCRIPTION: Free the field list
|
|
*
|
|
*****************************************************************************/
|
|
|
|
void
|
|
DtFreeFieldList (
|
|
void)
|
|
{
|
|
DT_FIELD *Field = Gbl_FieldList;
|
|
DT_FIELD *NextField;
|
|
|
|
|
|
/* Walk and free entire field list */
|
|
|
|
while (Field)
|
|
{
|
|
NextField = Field->Next; /* Save link */
|
|
|
|
if (!(Field->Flags & DT_FIELD_NOT_ALLOCATED))
|
|
{
|
|
ACPI_FREE (Field->Name);
|
|
ACPI_FREE (Field->Value);
|
|
}
|
|
|
|
ACPI_FREE (Field);
|
|
Field = NextField;
|
|
}
|
|
}
|