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842 lines
27 KiB
C
842 lines
27 KiB
C
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/******************************************************************************
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*
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* Module Name: asltransform - Parse tree transforms
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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
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* 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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#include "aslcompiler.h"
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#include "aslcompiler.y.h"
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#define _COMPONENT ACPI_COMPILER
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ACPI_MODULE_NAME ("asltransform")
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/* Local prototypes */
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static void
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TrTransformSubtree (
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ACPI_PARSE_OBJECT *Op);
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static char *
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TrAmlGetNextTempName (
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ACPI_PARSE_OBJECT *Op,
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UINT8 *TempCount);
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static void
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TrAmlInitLineNumbers (
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ACPI_PARSE_OBJECT *Op,
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ACPI_PARSE_OBJECT *Neighbor);
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static void
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TrAmlInitNode (
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ACPI_PARSE_OBJECT *Op,
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UINT16 ParseOpcode);
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static void
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TrAmlSetSubtreeParent (
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ACPI_PARSE_OBJECT *Op,
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ACPI_PARSE_OBJECT *Parent);
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static void
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TrAmlInsertPeer (
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ACPI_PARSE_OBJECT *Op,
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ACPI_PARSE_OBJECT *NewPeer);
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static void
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TrDoDefinitionBlock (
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ACPI_PARSE_OBJECT *Op);
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static void
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TrDoSwitch (
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ACPI_PARSE_OBJECT *StartNode);
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/*******************************************************************************
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*
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* FUNCTION: TrAmlGetNextTempName
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*
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* PARAMETERS: Op - Current parse op
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* TempCount - Current temporary counter. Was originally
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* per-module; Currently per method, could be
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* expanded to per-scope.
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*
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* RETURN: A pointer to name (allocated here).
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*
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* DESCRIPTION: Generate an ACPI name of the form _T_x. These names are
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* reserved for use by the ASL compiler. (_T_0 through _T_Z)
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*
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******************************************************************************/
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static char *
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TrAmlGetNextTempName (
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ACPI_PARSE_OBJECT *Op,
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UINT8 *TempCount)
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{
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char *TempName;
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if (*TempCount >= (10+26)) /* 0-35 valid: 0-9 and A-Z for TempName[3] */
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{
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/* Too many temps */
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AslError (ASL_ERROR, ASL_MSG_TOO_MANY_TEMPS, Op, NULL);
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return (NULL);
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}
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TempName = UtLocalCalloc (5);
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if (*TempCount < 10) /* 0-9 */
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{
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TempName[3] = (char) (*TempCount + '0');
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}
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else /* 10-35: A-Z */
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{
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TempName[3] = (char) (*TempCount + ('A' - 10));
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}
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(*TempCount)++;
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/* First three characters are always "_T_" */
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TempName[0] = '_';
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TempName[1] = 'T';
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TempName[2] = '_';
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return (TempName);
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}
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/*******************************************************************************
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*
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* FUNCTION: TrAmlInitLineNumbers
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*
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* PARAMETERS: Op - Op to be initialized
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* Neighbor - Op used for initialization values
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*
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* RETURN: None
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*
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* DESCRIPTION: Initialized the various line numbers for a parse node.
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*
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******************************************************************************/
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static void
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TrAmlInitLineNumbers (
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ACPI_PARSE_OBJECT *Op,
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ACPI_PARSE_OBJECT *Neighbor)
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{
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Op->Asl.EndLine = Neighbor->Asl.EndLine;
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Op->Asl.EndLogicalLine = Neighbor->Asl.EndLogicalLine;
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Op->Asl.LineNumber = Neighbor->Asl.LineNumber;
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Op->Asl.LogicalByteOffset = Neighbor->Asl.LogicalByteOffset;
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Op->Asl.LogicalLineNumber = Neighbor->Asl.LogicalLineNumber;
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}
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/*******************************************************************************
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*
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* FUNCTION: TrAmlInitNode
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*
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* PARAMETERS: Op - Op to be initialized
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* ParseOpcode - Opcode for this node
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*
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* RETURN: None
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*
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* DESCRIPTION: Initialize a node with the parse opcode and opcode name.
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*
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******************************************************************************/
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static void
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TrAmlInitNode (
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ACPI_PARSE_OBJECT *Op,
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UINT16 ParseOpcode)
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{
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Op->Asl.ParseOpcode = ParseOpcode;
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UtSetParseOpName (Op);
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}
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/*******************************************************************************
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*
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* FUNCTION: TrAmlSetSubtreeParent
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*
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* PARAMETERS: Op - First node in a list of peer nodes
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* Parent - Parent of the subtree
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*
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* RETURN: None
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*
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* DESCRIPTION: Set the parent for all peer nodes in a subtree
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*
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******************************************************************************/
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static void
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TrAmlSetSubtreeParent (
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ACPI_PARSE_OBJECT *Op,
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ACPI_PARSE_OBJECT *Parent)
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{
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ACPI_PARSE_OBJECT *Next;
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Next = Op;
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while (Next)
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{
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Next->Asl.Parent = Parent;
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Next = Next->Asl.Next;
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}
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}
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/*******************************************************************************
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*
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* FUNCTION: TrAmlInsertPeer
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*
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* PARAMETERS: Op - First node in a list of peer nodes
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* NewPeer - Peer node to insert
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*
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* RETURN: None
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*
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* DESCRIPTION: Insert a new peer node into a list of peers.
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*
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******************************************************************************/
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static void
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TrAmlInsertPeer (
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ACPI_PARSE_OBJECT *Op,
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ACPI_PARSE_OBJECT *NewPeer)
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{
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NewPeer->Asl.Next = Op->Asl.Next;
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Op->Asl.Next = NewPeer;
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}
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/*******************************************************************************
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*
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* FUNCTION: TrAmlTransformWalk
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*
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* PARAMETERS: ASL_WALK_CALLBACK
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*
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* RETURN: None
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*
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* DESCRIPTION: Parse tree walk to generate both the AML opcodes and the AML
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* operands.
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*
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******************************************************************************/
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ACPI_STATUS
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TrAmlTransformWalk (
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ACPI_PARSE_OBJECT *Op,
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UINT32 Level,
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void *Context)
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{
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TrTransformSubtree (Op);
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return (AE_OK);
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}
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/*******************************************************************************
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*
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* FUNCTION: TrTransformSubtree
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*
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* PARAMETERS: Op - The parent parse node
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*
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* RETURN: None
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*
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* DESCRIPTION: Prepare nodes to be output as AML data and operands. The more
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* complex AML opcodes require processing of the child nodes
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* (arguments/operands).
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*
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******************************************************************************/
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static void
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TrTransformSubtree (
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ACPI_PARSE_OBJECT *Op)
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{
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if (Op->Asl.AmlOpcode == AML_RAW_DATA_BYTE)
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{
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return;
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}
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switch (Op->Asl.ParseOpcode)
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{
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case PARSEOP_DEFINITIONBLOCK:
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TrDoDefinitionBlock (Op);
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break;
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case PARSEOP_SWITCH:
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TrDoSwitch (Op);
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break;
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case PARSEOP_METHOD:
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/*
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* TBD: Zero the tempname (_T_x) count. Probably shouldn't be a global,
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* however
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*/
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Gbl_TempCount = 0;
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break;
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default:
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/* Nothing to do here for other opcodes */
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break;
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}
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}
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/*******************************************************************************
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*
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* FUNCTION: TrDoDefinitionBlock
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*
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* PARAMETERS: Op - Parse node
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*
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* RETURN: None
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*
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* DESCRIPTION: Find the end of the definition block and set a global to this
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* node. It is used by the compiler to insert compiler-generated
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* names at the root level of the namespace.
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*
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******************************************************************************/
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static void
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TrDoDefinitionBlock (
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ACPI_PARSE_OBJECT *Op)
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{
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ACPI_PARSE_OBJECT *Next;
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UINT32 i;
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Next = Op->Asl.Child;
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for (i = 0; i < 5; i++)
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{
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Next = Next->Asl.Next;
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if (i == 0)
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{
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/*
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* This is the table signature. Only the DSDT can be assumed
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* to be at the root of the namespace; Therefore, namepath
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* optimization can only be performed on the DSDT.
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*/
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if (!ACPI_COMPARE_NAME (Next->Asl.Value.String, ACPI_SIG_DSDT))
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{
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Gbl_ReferenceOptimizationFlag = FALSE;
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}
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}
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}
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Gbl_FirstLevelInsertionNode = Next;
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}
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/*******************************************************************************
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*
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* FUNCTION: TrDoSwitch
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*
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* PARAMETERS: StartNode - Parse node for SWITCH
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*
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* RETURN: None
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*
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*
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* DESCRIPTION: Translate ASL SWITCH statement to if/else pairs. There is
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* no actual AML opcode for SWITCH -- it must be simulated.
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*
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******************************************************************************/
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static void
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TrDoSwitch (
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ACPI_PARSE_OBJECT *StartNode)
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{
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ACPI_PARSE_OBJECT *Next;
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ACPI_PARSE_OBJECT *CaseOp = NULL;
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ACPI_PARSE_OBJECT *CaseBlock = NULL;
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ACPI_PARSE_OBJECT *DefaultOp = NULL;
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ACPI_PARSE_OBJECT *CurrentParentNode;
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ACPI_PARSE_OBJECT *Conditional = NULL;
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ACPI_PARSE_OBJECT *Predicate;
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ACPI_PARSE_OBJECT *Peer;
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ACPI_PARSE_OBJECT *NewOp;
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ACPI_PARSE_OBJECT *NewOp2;
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ACPI_PARSE_OBJECT *MethodOp;
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ACPI_PARSE_OBJECT *StoreOp;
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ACPI_PARSE_OBJECT *BreakOp;
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char *PredicateValueName;
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UINT16 Index;
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UINT32 Btype;
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/* Start node is the Switch() node */
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CurrentParentNode = StartNode;
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/* Create a new temp name of the form _T_x */
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PredicateValueName = TrAmlGetNextTempName (StartNode, &Gbl_TempCount);
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if (!PredicateValueName)
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{
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return;
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}
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/* First child is the Switch() predicate */
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Next = StartNode->Asl.Child;
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/*
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* Examine the return type of the Switch Value -
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* must be Integer/Buffer/String
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*/
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Index = (UINT16) (Next->Asl.ParseOpcode - ASL_PARSE_OPCODE_BASE);
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Btype = AslKeywordMapping[Index].AcpiBtype;
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if ((Btype != ACPI_BTYPE_INTEGER) &&
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(Btype != ACPI_BTYPE_STRING) &&
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(Btype != ACPI_BTYPE_BUFFER))
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{
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AslError (ASL_WARNING, ASL_MSG_SWITCH_TYPE, Next, NULL);
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Btype = ACPI_BTYPE_INTEGER;
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}
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/* CASE statements start at next child */
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Peer = Next->Asl.Next;
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while (Peer)
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{
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Next = Peer;
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Peer = Next->Asl.Next;
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if (Next->Asl.ParseOpcode == PARSEOP_CASE)
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{
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if (CaseOp)
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{
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/* Add an ELSE to complete the previous CASE */
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if (!Conditional)
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{
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return;
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}
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NewOp = TrCreateLeafNode (PARSEOP_ELSE);
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NewOp->Asl.Parent = Conditional->Asl.Parent;
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TrAmlInitLineNumbers (NewOp, NewOp->Asl.Parent);
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/* Link ELSE node as a peer to the previous IF */
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TrAmlInsertPeer (Conditional, NewOp);
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CurrentParentNode = NewOp;
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}
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CaseOp = Next;
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Conditional = CaseOp;
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CaseBlock = CaseOp->Asl.Child->Asl.Next;
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Conditional->Asl.Child->Asl.Next = NULL;
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Predicate = CaseOp->Asl.Child;
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if ((Predicate->Asl.ParseOpcode == PARSEOP_PACKAGE) ||
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(Predicate->Asl.ParseOpcode == PARSEOP_VAR_PACKAGE))
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{
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/*
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* Convert the package declaration to this form:
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*
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* If (LNotEqual (Match (Package(<size>){<data>},
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* MEQ, _T_x, MTR, Zero, Zero), Ones))
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*/
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NewOp2 = TrCreateLeafNode (PARSEOP_MATCHTYPE_MEQ);
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Predicate->Asl.Next = NewOp2;
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TrAmlInitLineNumbers (NewOp2, Conditional);
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NewOp = NewOp2;
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|
NewOp2 = TrCreateValuedLeafNode (PARSEOP_NAMESTRING,
|
|
(UINT64) ACPI_TO_INTEGER (PredicateValueName));
|
|
NewOp->Asl.Next = NewOp2;
|
|
TrAmlInitLineNumbers (NewOp2, Predicate);
|
|
|
|
NewOp = NewOp2;
|
|
NewOp2 = TrCreateLeafNode (PARSEOP_MATCHTYPE_MTR);
|
|
NewOp->Asl.Next = NewOp2;
|
|
TrAmlInitLineNumbers (NewOp2, Predicate);
|
|
|
|
NewOp = NewOp2;
|
|
NewOp2 = TrCreateLeafNode (PARSEOP_ZERO);
|
|
NewOp->Asl.Next = NewOp2;
|
|
TrAmlInitLineNumbers (NewOp2, Predicate);
|
|
|
|
NewOp = NewOp2;
|
|
NewOp2 = TrCreateLeafNode (PARSEOP_ZERO);
|
|
NewOp->Asl.Next = NewOp2;
|
|
TrAmlInitLineNumbers (NewOp2, Predicate);
|
|
|
|
NewOp2 = TrCreateLeafNode (PARSEOP_MATCH);
|
|
NewOp2->Asl.Child = Predicate; /* PARSEOP_PACKAGE */
|
|
TrAmlInitLineNumbers (NewOp2, Conditional);
|
|
TrAmlSetSubtreeParent (Predicate, NewOp2);
|
|
|
|
NewOp = NewOp2;
|
|
NewOp2 = TrCreateLeafNode (PARSEOP_ONES);
|
|
NewOp->Asl.Next = NewOp2;
|
|
TrAmlInitLineNumbers (NewOp2, Conditional);
|
|
|
|
NewOp2 = TrCreateLeafNode (PARSEOP_LEQUAL);
|
|
NewOp2->Asl.Child = NewOp;
|
|
NewOp->Asl.Parent = NewOp2;
|
|
TrAmlInitLineNumbers (NewOp2, Conditional);
|
|
TrAmlSetSubtreeParent (NewOp, NewOp2);
|
|
|
|
NewOp = NewOp2;
|
|
NewOp2 = TrCreateLeafNode (PARSEOP_LNOT);
|
|
NewOp2->Asl.Child = NewOp;
|
|
NewOp2->Asl.Parent = Conditional;
|
|
NewOp->Asl.Parent = NewOp2;
|
|
TrAmlInitLineNumbers (NewOp2, Conditional);
|
|
|
|
Conditional->Asl.Child = NewOp2;
|
|
NewOp2->Asl.Next = CaseBlock;
|
|
}
|
|
else
|
|
{
|
|
/*
|
|
* Integer and Buffer case.
|
|
*
|
|
* Change CaseOp() to: If (LEqual (SwitchValue, CaseValue)) {...}
|
|
* Note: SwitchValue is first to allow the CaseValue to be implicitly
|
|
* converted to the type of SwitchValue if necessary.
|
|
*
|
|
* CaseOp->Child is the case value
|
|
* CaseOp->Child->Peer is the beginning of the case block
|
|
*/
|
|
NewOp = TrCreateValuedLeafNode (PARSEOP_NAMESTRING,
|
|
(UINT64) ACPI_TO_INTEGER (PredicateValueName));
|
|
NewOp->Asl.Next = Predicate;
|
|
TrAmlInitLineNumbers (NewOp, Predicate);
|
|
|
|
NewOp2 = TrCreateLeafNode (PARSEOP_LEQUAL);
|
|
NewOp2->Asl.Parent = Conditional;
|
|
NewOp2->Asl.Child = NewOp;
|
|
TrAmlInitLineNumbers (NewOp2, Conditional);
|
|
|
|
TrAmlSetSubtreeParent (NewOp, NewOp2);
|
|
|
|
Predicate = NewOp2;
|
|
Predicate->Asl.Next = CaseBlock;
|
|
|
|
TrAmlSetSubtreeParent (Predicate, Conditional);
|
|
Conditional->Asl.Child = Predicate;
|
|
}
|
|
|
|
/* Reinitialize the CASE node to an IF node */
|
|
|
|
TrAmlInitNode (Conditional, PARSEOP_IF);
|
|
|
|
/*
|
|
* The first CASE(IF) is not nested under an ELSE.
|
|
* All other CASEs are children of a parent ELSE.
|
|
*/
|
|
if (CurrentParentNode == StartNode)
|
|
{
|
|
Conditional->Asl.Next = NULL;
|
|
}
|
|
else
|
|
{
|
|
/*
|
|
* The IF is a child of previous IF/ELSE. It
|
|
* is therefore without peer.
|
|
*/
|
|
CurrentParentNode->Asl.Child = Conditional;
|
|
Conditional->Asl.Parent = CurrentParentNode;
|
|
Conditional->Asl.Next = NULL;
|
|
}
|
|
}
|
|
else if (Next->Asl.ParseOpcode == PARSEOP_DEFAULT)
|
|
{
|
|
if (DefaultOp)
|
|
{
|
|
/*
|
|
* More than one Default
|
|
* (Parser does not catch this, must check here)
|
|
*/
|
|
AslError (ASL_ERROR, ASL_MSG_MULTIPLE_DEFAULT, Next, NULL);
|
|
}
|
|
else
|
|
{
|
|
/* Save the DEFAULT node for later, after CASEs */
|
|
|
|
DefaultOp = Next;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
/* Unknown peer opcode */
|
|
|
|
AcpiOsPrintf ("Unknown parse opcode for switch statement: %s (%u)\n",
|
|
Next->Asl.ParseOpName, Next->Asl.ParseOpcode);
|
|
}
|
|
}
|
|
|
|
/* Add the default case at the end of the if/else construct */
|
|
|
|
if (DefaultOp)
|
|
{
|
|
/* If no CASE statements, this is an error - see below */
|
|
|
|
if (CaseOp)
|
|
{
|
|
/* Convert the DEFAULT node to an ELSE */
|
|
|
|
if (!Conditional)
|
|
{
|
|
return;
|
|
}
|
|
|
|
TrAmlInitNode (DefaultOp, PARSEOP_ELSE);
|
|
DefaultOp->Asl.Parent = Conditional->Asl.Parent;
|
|
|
|
/* Link ELSE node as a peer to the previous IF */
|
|
|
|
TrAmlInsertPeer (Conditional, DefaultOp);
|
|
}
|
|
}
|
|
|
|
if (!CaseOp)
|
|
{
|
|
AslError (ASL_ERROR, ASL_MSG_NO_CASES, StartNode, NULL);
|
|
}
|
|
|
|
|
|
/*
|
|
* Create a Name(_T_x, ...) statement. This statement must appear at the
|
|
* method level, in case a loop surrounds the switch statement and could
|
|
* cause the name to be created twice (error).
|
|
*/
|
|
|
|
/* Create the Name node */
|
|
|
|
Predicate = StartNode->Asl.Child;
|
|
NewOp = TrCreateLeafNode (PARSEOP_NAME);
|
|
|
|
/* Find the parent method */
|
|
|
|
Next = StartNode;
|
|
while ((Next->Asl.ParseOpcode != PARSEOP_METHOD) &&
|
|
(Next->Asl.ParseOpcode != PARSEOP_DEFINITIONBLOCK))
|
|
{
|
|
Next = Next->Asl.Parent;
|
|
}
|
|
MethodOp = Next;
|
|
|
|
NewOp->Asl.CompileFlags |= NODE_COMPILER_EMITTED;
|
|
NewOp->Asl.Parent = Next;
|
|
|
|
/* Insert name after the method name and arguments */
|
|
|
|
Next = Next->Asl.Child; /* Name */
|
|
Next = Next->Asl.Next; /* NumArgs */
|
|
Next = Next->Asl.Next; /* SerializeRule */
|
|
|
|
/*
|
|
* If method is not Serialized, we must make is so, because of the way
|
|
* that Switch() must be implemented -- we cannot allow multiple threads
|
|
* to execute this method concurrently since we need to create local
|
|
* temporary name(s).
|
|
*/
|
|
if (Next->Asl.ParseOpcode != PARSEOP_SERIALIZERULE_SERIAL)
|
|
{
|
|
AslError (ASL_REMARK, ASL_MSG_SERIALIZED, MethodOp, "Due to use of Switch operator");
|
|
Next->Asl.ParseOpcode = PARSEOP_SERIALIZERULE_SERIAL;
|
|
}
|
|
|
|
Next = Next->Asl.Next; /* SyncLevel */
|
|
Next = Next->Asl.Next; /* ReturnType */
|
|
Next = Next->Asl.Next; /* ParameterTypes */
|
|
|
|
TrAmlInsertPeer (Next, NewOp);
|
|
TrAmlInitLineNumbers (NewOp, Next);
|
|
|
|
/* Create the NameSeg child for the Name node */
|
|
|
|
NewOp2 = TrCreateValuedLeafNode (PARSEOP_NAMESEG,
|
|
(UINT64) ACPI_TO_INTEGER (PredicateValueName));
|
|
NewOp2->Asl.CompileFlags |= NODE_IS_NAME_DECLARATION;
|
|
NewOp->Asl.Child = NewOp2;
|
|
|
|
/* Create the initial value for the Name. Btype was already validated above */
|
|
|
|
switch (Btype)
|
|
{
|
|
case ACPI_BTYPE_INTEGER:
|
|
NewOp2->Asl.Next = TrCreateValuedLeafNode (PARSEOP_ZERO,
|
|
(UINT64) 0);
|
|
break;
|
|
|
|
case ACPI_BTYPE_STRING:
|
|
NewOp2->Asl.Next = TrCreateValuedLeafNode (PARSEOP_STRING_LITERAL,
|
|
(UINT64) ACPI_TO_INTEGER (""));
|
|
break;
|
|
|
|
case ACPI_BTYPE_BUFFER:
|
|
(void) TrLinkPeerNode (NewOp2, TrCreateValuedLeafNode (PARSEOP_BUFFER,
|
|
(UINT64) 0));
|
|
Next = NewOp2->Asl.Next;
|
|
(void) TrLinkChildren (Next, 1, TrCreateValuedLeafNode (PARSEOP_ZERO,
|
|
(UINT64) 1));
|
|
(void) TrLinkPeerNode (Next->Asl.Child,
|
|
TrCreateValuedLeafNode (PARSEOP_DEFAULT_ARG, (UINT64) 0));
|
|
|
|
TrAmlSetSubtreeParent (Next->Asl.Child, Next);
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
|
|
TrAmlSetSubtreeParent (NewOp2, NewOp);
|
|
|
|
/*
|
|
* Transform the Switch() into a While(One)-Break node.
|
|
* And create a Store() node which will be used to save the
|
|
* Switch() value. The store is of the form: Store (Value, _T_x)
|
|
* where _T_x is the temp variable.
|
|
*/
|
|
TrAmlInitNode (StartNode, PARSEOP_WHILE);
|
|
NewOp = TrCreateLeafNode (PARSEOP_ONE);
|
|
NewOp->Asl.Next = Predicate->Asl.Next;
|
|
NewOp->Asl.Parent = StartNode;
|
|
StartNode->Asl.Child = NewOp;
|
|
|
|
/* Create a Store() node */
|
|
|
|
StoreOp = TrCreateLeafNode (PARSEOP_STORE);
|
|
StoreOp->Asl.Parent = StartNode;
|
|
TrAmlInsertPeer (NewOp, StoreOp);
|
|
|
|
/* Complete the Store subtree */
|
|
|
|
StoreOp->Asl.Child = Predicate;
|
|
Predicate->Asl.Parent = StoreOp;
|
|
|
|
NewOp = TrCreateValuedLeafNode (PARSEOP_NAMESEG,
|
|
(UINT64) ACPI_TO_INTEGER (PredicateValueName));
|
|
NewOp->Asl.Parent = StoreOp;
|
|
Predicate->Asl.Next = NewOp;
|
|
|
|
/* Create a Break() node and insert it into the end of While() */
|
|
|
|
Conditional = StartNode->Asl.Child;
|
|
while (Conditional->Asl.Next)
|
|
{
|
|
Conditional = Conditional->Asl.Next;
|
|
}
|
|
|
|
BreakOp = TrCreateLeafNode (PARSEOP_BREAK);
|
|
BreakOp->Asl.Parent = StartNode;
|
|
TrAmlInsertPeer (Conditional, BreakOp);
|
|
}
|
|
|
|
|