1253 lines
35 KiB
C
1253 lines
35 KiB
C
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/******************************************************************************
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*
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* Module Name: asloperands - AML operand processing
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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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#include "amlcode.h"
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#define _COMPONENT ACPI_COMPILER
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ACPI_MODULE_NAME ("asloperands")
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/* Local prototypes */
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static void
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OpnDoField (
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ACPI_PARSE_OBJECT *Op);
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static void
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OpnDoBankField (
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ACPI_PARSE_OBJECT *Op);
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static void
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OpnDoBuffer (
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ACPI_PARSE_OBJECT *Op);
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static void
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OpnDoDefinitionBlock (
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ACPI_PARSE_OBJECT *Op);
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static void
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OpnDoFieldCommon (
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ACPI_PARSE_OBJECT *FieldOp,
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ACPI_PARSE_OBJECT *Op);
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static void
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OpnDoIndexField (
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ACPI_PARSE_OBJECT *Op);
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static void
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OpnDoLoadTable (
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ACPI_PARSE_OBJECT *Op);
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static void
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OpnDoMethod (
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ACPI_PARSE_OBJECT *Op);
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static void
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OpnDoMutex (
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ACPI_PARSE_OBJECT *Op);
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static void
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OpnDoRegion (
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ACPI_PARSE_OBJECT *Op);
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static void
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OpnAttachNameToNode (
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ACPI_PARSE_OBJECT *Op);
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/*******************************************************************************
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*
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* FUNCTION: OpnDoMutex
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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: Construct the operands for the MUTEX ASL keyword.
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*
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******************************************************************************/
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static void
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OpnDoMutex (
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ACPI_PARSE_OBJECT *Op)
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{
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ACPI_PARSE_OBJECT *Next;
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Next = Op->Asl.Child;
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Next = Next->Asl.Next;
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if (Next->Asl.Value.Integer > 15)
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{
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AslError (ASL_ERROR, ASL_MSG_SYNC_LEVEL, Next, NULL);
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}
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return;
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}
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/*******************************************************************************
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*
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* FUNCTION: OpnDoMethod
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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: Construct the operands for the METHOD ASL keyword.
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*
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******************************************************************************/
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static void
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OpnDoMethod (
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ACPI_PARSE_OBJECT *Op)
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{
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ACPI_PARSE_OBJECT *Next;
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/* Optional arguments for this opcode with defaults */
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UINT8 NumArgs = 0;
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UINT8 Serialized = 0;
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UINT8 Concurrency = 0;
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UINT8 MethodFlags;
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/* Opcode and package length first */
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/* Method name */
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Next = Op->Asl.Child;
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/* Num args */
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Next = Next->Asl.Next;
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if (Next->Asl.ParseOpcode != PARSEOP_DEFAULT_ARG)
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{
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NumArgs = (UINT8) Next->Asl.Value.Integer;
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Next->Asl.ParseOpcode = PARSEOP_DEFAULT_ARG;
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}
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/* Serialized Flag */
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Next = Next->Asl.Next;
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if (Next->Asl.ParseOpcode != PARSEOP_DEFAULT_ARG)
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{
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Serialized = (UINT8) Next->Asl.Value.Integer;
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Next->Asl.ParseOpcode = PARSEOP_DEFAULT_ARG;
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}
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/* Concurrency value (valid values are 0-15) */
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Next = Next->Asl.Next;
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if (Next->Asl.ParseOpcode != PARSEOP_DEFAULT_ARG)
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{
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if (Next->Asl.Value.Integer > 15)
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{
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AslError (ASL_ERROR, ASL_MSG_SYNC_LEVEL, Next, NULL);
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}
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Concurrency = (UINT8) Next->Asl.Value.Integer;
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}
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/* Put the bits in their proper places */
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MethodFlags = (UINT8) ((NumArgs & 0x7) |
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((Serialized & 0x1) << 3) |
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((Concurrency & 0xF) << 4));
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/* Use the last node for the combined flags byte */
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Next->Asl.Value.Integer = MethodFlags;
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Next->Asl.AmlOpcode = AML_RAW_DATA_BYTE;
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Next->Asl.AmlLength = 1;
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Next->Asl.ParseOpcode = PARSEOP_RAW_DATA;
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/* Save the arg count in the first node */
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Op->Asl.Extra = NumArgs;
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}
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/*******************************************************************************
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*
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* FUNCTION: OpnDoFieldCommon
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*
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* PARAMETERS: FieldOp - Node for an ASL field
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* Op - The parent parse node
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*
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* RETURN: None
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*
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* DESCRIPTION: Construct the AML operands for the various field keywords,
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* FIELD, BANKFIELD, INDEXFIELD
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*
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******************************************************************************/
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static void
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OpnDoFieldCommon (
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ACPI_PARSE_OBJECT *FieldOp,
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ACPI_PARSE_OBJECT *Op)
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{
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ACPI_PARSE_OBJECT *Next;
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ACPI_PARSE_OBJECT *PkgLengthNode;
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UINT32 CurrentBitOffset;
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UINT32 NewBitOffset;
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UINT8 AccessType;
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UINT8 LockRule;
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UINT8 UpdateRule;
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UINT8 FieldFlags;
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UINT32 MinimumLength;
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/* AccessType -- not optional, so no need to check for DEFAULT_ARG */
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AccessType = (UINT8) Op->Asl.Value.Integer;
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Op->Asl.ParseOpcode = PARSEOP_DEFAULT_ARG;
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/* Set the access type in the parent (field) node for use later */
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FieldOp->Asl.Value.Integer = AccessType;
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/* LockRule -- not optional, so no need to check for DEFAULT_ARG */
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Next = Op->Asl.Next;
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LockRule = (UINT8) Next->Asl.Value.Integer;
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Next->Asl.ParseOpcode = PARSEOP_DEFAULT_ARG;
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/* UpdateRule -- not optional, so no need to check for DEFAULT_ARG */
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Next = Next->Asl.Next;
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UpdateRule = (UINT8) Next->Asl.Value.Integer;
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/*
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* Generate the flags byte. The various fields are already
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* in the right bit position via translation from the
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* keywords by the parser.
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*/
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FieldFlags = (UINT8) (AccessType | LockRule | UpdateRule);
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/* Use the previous node to be the FieldFlags node */
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/* Set the node to RAW_DATA */
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Next->Asl.Value.Integer = FieldFlags;
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Next->Asl.AmlOpcode = AML_RAW_DATA_BYTE;
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Next->Asl.AmlLength = 1;
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Next->Asl.ParseOpcode = PARSEOP_RAW_DATA;
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/* Process the FieldUnitList */
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Next = Next->Asl.Next;
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CurrentBitOffset = 0;
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while (Next)
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{
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/* Save the offset of this field unit */
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Next->Asl.ExtraValue = CurrentBitOffset;
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switch (Next->Asl.ParseOpcode)
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{
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case PARSEOP_ACCESSAS:
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PkgLengthNode = Next->Asl.Child;
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AccessType = (UINT8) PkgLengthNode->Asl.Value.Integer;
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/* Nothing additional to do */
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break;
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case PARSEOP_OFFSET:
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/* New offset into the field */
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PkgLengthNode = Next->Asl.Child;
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NewBitOffset = ((UINT32) PkgLengthNode->Asl.Value.Integer) * 8;
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/*
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* Examine the specified offset in relation to the
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* current offset counter.
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*/
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if (NewBitOffset < CurrentBitOffset)
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{
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/*
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* Not allowed to specify a backwards offset!
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* Issue error and ignore this node.
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*/
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AslError (ASL_ERROR, ASL_MSG_BACKWARDS_OFFSET, PkgLengthNode,
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NULL);
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Next->Asl.ParseOpcode = PARSEOP_DEFAULT_ARG;
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PkgLengthNode->Asl.ParseOpcode = PARSEOP_DEFAULT_ARG;
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}
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else if (NewBitOffset == CurrentBitOffset)
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{
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/*
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* Offset is redundant; we don't need to output an
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* offset opcode. Just set these nodes to default
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*/
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Next->Asl.ParseOpcode = PARSEOP_DEFAULT_ARG;
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PkgLengthNode->Asl.ParseOpcode = PARSEOP_DEFAULT_ARG;
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}
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else
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{
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/*
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* Valid new offset - set the value to be inserted into the AML
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* and update the offset counter.
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*/
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PkgLengthNode->Asl.Value.Integer =
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NewBitOffset - CurrentBitOffset;
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CurrentBitOffset = NewBitOffset;
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}
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break;
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case PARSEOP_NAMESEG:
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case PARSEOP_RESERVED_BYTES:
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/* Named or reserved field entry */
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PkgLengthNode = Next->Asl.Child;
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NewBitOffset = (UINT32) PkgLengthNode->Asl.Value.Integer;
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CurrentBitOffset += NewBitOffset;
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/* Save the current AccessAs value for error checking later */
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switch (AccessType)
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{
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case AML_FIELD_ACCESS_ANY:
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case AML_FIELD_ACCESS_BYTE:
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case AML_FIELD_ACCESS_BUFFER:
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default:
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MinimumLength = 8;
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break;
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case AML_FIELD_ACCESS_WORD:
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MinimumLength = 16;
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break;
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|
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case AML_FIELD_ACCESS_DWORD:
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MinimumLength = 32;
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break;
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|
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case AML_FIELD_ACCESS_QWORD:
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MinimumLength = 64;
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break;
|
|
}
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|
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PkgLengthNode->Asl.ExtraValue = MinimumLength;
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break;
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|
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|
default:
|
|
/* All supported field opcodes must appear above */
|
|
break;
|
|
}
|
|
|
|
/* Move on to next entry in the field list */
|
|
|
|
Next = Next->Asl.Next;
|
|
}
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|
}
|
|
|
|
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|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: OpnDoField
|
|
*
|
|
* PARAMETERS: Op - The parent parse node
|
|
*
|
|
* RETURN: None
|
|
*
|
|
* DESCRIPTION: Construct the AML operands for the FIELD ASL keyword
|
|
*
|
|
******************************************************************************/
|
|
|
|
static void
|
|
OpnDoField (
|
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ACPI_PARSE_OBJECT *Op)
|
|
{
|
|
ACPI_PARSE_OBJECT *Next;
|
|
|
|
|
|
/* Opcode is parent node */
|
|
/* First child is field name */
|
|
|
|
Next = Op->Asl.Child;
|
|
|
|
/* Second child is the AccessType */
|
|
|
|
OpnDoFieldCommon (Op, Next->Asl.Next);
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: OpnDoIndexField
|
|
*
|
|
* PARAMETERS: Op - The parent parse node
|
|
*
|
|
* RETURN: None
|
|
*
|
|
* DESCRIPTION: Construct the AML operands for the INDEXFIELD ASL keyword
|
|
*
|
|
******************************************************************************/
|
|
|
|
static void
|
|
OpnDoIndexField (
|
|
ACPI_PARSE_OBJECT *Op)
|
|
{
|
|
ACPI_PARSE_OBJECT *Next;
|
|
|
|
|
|
/* Opcode is parent node */
|
|
/* First child is the index name */
|
|
|
|
Next = Op->Asl.Child;
|
|
|
|
/* Second child is the data name */
|
|
|
|
Next = Next->Asl.Next;
|
|
|
|
/* Third child is the AccessType */
|
|
|
|
OpnDoFieldCommon (Op, Next->Asl.Next);
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: OpnDoBankField
|
|
*
|
|
* PARAMETERS: Op - The parent parse node
|
|
*
|
|
* RETURN: None
|
|
*
|
|
* DESCRIPTION: Construct the AML operands for the BANKFIELD ASL keyword
|
|
*
|
|
******************************************************************************/
|
|
|
|
static void
|
|
OpnDoBankField (
|
|
ACPI_PARSE_OBJECT *Op)
|
|
{
|
|
ACPI_PARSE_OBJECT *Next;
|
|
|
|
|
|
/* Opcode is parent node */
|
|
/* First child is the region name */
|
|
|
|
Next = Op->Asl.Child;
|
|
|
|
/* Second child is the bank name */
|
|
|
|
Next = Next->Asl.Next;
|
|
|
|
/* Third child is the bank value */
|
|
|
|
Next = Next->Asl.Next;
|
|
|
|
/* Fourth child is the AccessType */
|
|
|
|
OpnDoFieldCommon (Op, Next->Asl.Next);
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: OpnDoRegion
|
|
*
|
|
* PARAMETERS: Op - The parent parse node
|
|
*
|
|
* RETURN: None
|
|
*
|
|
* DESCRIPTION: Tries to get the length of the region. Can only do this at
|
|
* compile time if the length is a constant.
|
|
*
|
|
******************************************************************************/
|
|
|
|
static void
|
|
OpnDoRegion (
|
|
ACPI_PARSE_OBJECT *Op)
|
|
{
|
|
ACPI_PARSE_OBJECT *Next;
|
|
|
|
|
|
/* Opcode is parent node */
|
|
/* First child is the region name */
|
|
|
|
Next = Op->Asl.Child;
|
|
|
|
/* Second child is the space ID*/
|
|
|
|
Next = Next->Asl.Next;
|
|
|
|
/* Third child is the region offset */
|
|
|
|
Next = Next->Asl.Next;
|
|
|
|
/* Fourth child is the region length */
|
|
|
|
Next = Next->Asl.Next;
|
|
if (Next->Asl.ParseOpcode == PARSEOP_INTEGER)
|
|
{
|
|
Op->Asl.Value.Integer = Next->Asl.Value.Integer;
|
|
}
|
|
else
|
|
{
|
|
Op->Asl.Value.Integer = ACPI_UINT64_MAX;
|
|
}
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: OpnDoBuffer
|
|
*
|
|
* PARAMETERS: Op - The parent parse node
|
|
*
|
|
* RETURN: None
|
|
*
|
|
* DESCRIPTION: Construct the AML operands for the BUFFER ASL keyword. We
|
|
* build a single raw byte buffer from the initialization nodes,
|
|
* each parse node contains a buffer byte.
|
|
*
|
|
******************************************************************************/
|
|
|
|
static void
|
|
OpnDoBuffer (
|
|
ACPI_PARSE_OBJECT *Op)
|
|
{
|
|
ACPI_PARSE_OBJECT *InitializerOp;
|
|
ACPI_PARSE_OBJECT *BufferLengthOp;
|
|
|
|
/* Optional arguments for this opcode with defaults */
|
|
|
|
UINT32 BufferLength = 0;
|
|
|
|
|
|
/* Opcode and package length first */
|
|
/* Buffer Length is next, followed by the initializer list */
|
|
|
|
BufferLengthOp = Op->Asl.Child;
|
|
InitializerOp = BufferLengthOp->Asl.Next;
|
|
|
|
/*
|
|
* If the BufferLength is not an INTEGER or was not specified in the ASL
|
|
* (DEFAULT_ARG), it is a TermArg that is
|
|
* evaluated at run-time, and we are therefore finished.
|
|
*/
|
|
if ((BufferLengthOp->Asl.ParseOpcode != PARSEOP_INTEGER) &&
|
|
(BufferLengthOp->Asl.ParseOpcode != PARSEOP_DEFAULT_ARG))
|
|
{
|
|
return;
|
|
}
|
|
|
|
/*
|
|
* We want to count the number of items in the initializer list, because if
|
|
* it is larger than the buffer length, we will define the buffer size
|
|
* to be the size of the initializer list (as per the ACPI Specification)
|
|
*/
|
|
switch (InitializerOp->Asl.ParseOpcode)
|
|
{
|
|
case PARSEOP_INTEGER:
|
|
case PARSEOP_BYTECONST:
|
|
case PARSEOP_WORDCONST:
|
|
case PARSEOP_DWORDCONST:
|
|
|
|
/* The peer list contains the byte list (if any...) */
|
|
|
|
while (InitializerOp)
|
|
{
|
|
/* For buffers, this is a list of raw bytes */
|
|
|
|
InitializerOp->Asl.AmlOpcode = AML_RAW_DATA_BYTE;
|
|
InitializerOp->Asl.AmlLength = 1;
|
|
InitializerOp->Asl.ParseOpcode = PARSEOP_RAW_DATA;
|
|
|
|
BufferLength++;
|
|
InitializerOp = ASL_GET_PEER_NODE (InitializerOp);
|
|
}
|
|
break;
|
|
|
|
|
|
case PARSEOP_STRING_LITERAL:
|
|
|
|
/*
|
|
* Only one initializer, the string. Buffer must be big enough to hold
|
|
* the string plus the null termination byte
|
|
*/
|
|
BufferLength = strlen (InitializerOp->Asl.Value.String) + 1;
|
|
|
|
InitializerOp->Asl.AmlOpcode = AML_RAW_DATA_BUFFER;
|
|
InitializerOp->Asl.AmlLength = BufferLength;
|
|
InitializerOp->Asl.ParseOpcode = PARSEOP_RAW_DATA;
|
|
break;
|
|
|
|
|
|
case PARSEOP_RAW_DATA:
|
|
|
|
/* Buffer nodes are already initialized (e.g. Unicode operator) */
|
|
return;
|
|
|
|
|
|
case PARSEOP_DEFAULT_ARG:
|
|
break;
|
|
|
|
|
|
default:
|
|
AslError (ASL_ERROR, ASL_MSG_INVALID_OPERAND, InitializerOp,
|
|
"Unknown buffer initializer opcode");
|
|
printf ("Unknown buffer initializer opcode [%s]\n",
|
|
UtGetOpName (InitializerOp->Asl.ParseOpcode));
|
|
return;
|
|
}
|
|
|
|
/* Check if initializer list is longer than the buffer length */
|
|
|
|
if (BufferLengthOp->Asl.Value.Integer > BufferLength)
|
|
{
|
|
BufferLength = (UINT32) BufferLengthOp->Asl.Value.Integer;
|
|
}
|
|
|
|
if (!BufferLength)
|
|
{
|
|
/* No length AND no items -- issue notice */
|
|
|
|
AslError (ASL_REMARK, ASL_MSG_BUFFER_LENGTH, BufferLengthOp, NULL);
|
|
|
|
/* But go ahead and put the buffer length of zero into the AML */
|
|
}
|
|
|
|
/*
|
|
* Just set the buffer size node to be the buffer length, regardless
|
|
* of whether it was previously an integer or a default_arg placeholder
|
|
*/
|
|
BufferLengthOp->Asl.ParseOpcode = PARSEOP_INTEGER;
|
|
BufferLengthOp->Asl.AmlOpcode = AML_DWORD_OP;
|
|
BufferLengthOp->Asl.Value.Integer = BufferLength;
|
|
|
|
(void) OpcSetOptimalIntegerSize (BufferLengthOp);
|
|
|
|
/* Remaining nodes are handled via the tree walk */
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: OpnDoPackage
|
|
*
|
|
* PARAMETERS: Op - The parent parse node
|
|
*
|
|
* RETURN: None
|
|
*
|
|
* DESCRIPTION: Construct the AML operands for the PACKAGE ASL keyword. NOTE:
|
|
* can only be called after constants have been folded, to ensure
|
|
* that the PackageLength operand has been fully reduced.
|
|
*
|
|
******************************************************************************/
|
|
|
|
void
|
|
OpnDoPackage (
|
|
ACPI_PARSE_OBJECT *Op)
|
|
{
|
|
ACPI_PARSE_OBJECT *InitializerOp;
|
|
ACPI_PARSE_OBJECT *PackageLengthOp;
|
|
UINT32 PackageLength = 0;
|
|
|
|
|
|
/* Opcode and package length first, followed by the initializer list */
|
|
|
|
PackageLengthOp = Op->Asl.Child;
|
|
InitializerOp = PackageLengthOp->Asl.Next;
|
|
|
|
/* Count the number of items in the initializer list */
|
|
|
|
if (InitializerOp->Asl.ParseOpcode != PARSEOP_DEFAULT_ARG)
|
|
{
|
|
/* The peer list contains the byte list (if any...) */
|
|
|
|
while (InitializerOp)
|
|
{
|
|
PackageLength++;
|
|
InitializerOp = InitializerOp->Asl.Next;
|
|
}
|
|
}
|
|
|
|
/* If package length is a constant, compare to the initializer list */
|
|
|
|
if ((PackageLengthOp->Asl.ParseOpcode == PARSEOP_INTEGER) ||
|
|
(PackageLengthOp->Asl.ParseOpcode == PARSEOP_QWORDCONST))
|
|
{
|
|
if (PackageLengthOp->Asl.Value.Integer > PackageLength)
|
|
{
|
|
/*
|
|
* Allow package length to be longer than the initializer
|
|
* list -- but if the length of initializer list is nonzero,
|
|
* issue a message since this is probably a coding error,
|
|
* even though technically legal.
|
|
*/
|
|
if (PackageLength > 0)
|
|
{
|
|
AslError (ASL_REMARK, ASL_MSG_LIST_LENGTH_SHORT,
|
|
PackageLengthOp, NULL);
|
|
}
|
|
|
|
PackageLength = (UINT32) PackageLengthOp->Asl.Value.Integer;
|
|
}
|
|
else if (PackageLengthOp->Asl.Value.Integer < PackageLength)
|
|
{
|
|
/*
|
|
* The package length is smaller than the length of the
|
|
* initializer list. This is an error as per the ACPI spec.
|
|
*/
|
|
AslError (ASL_ERROR, ASL_MSG_LIST_LENGTH_LONG,
|
|
PackageLengthOp, NULL);
|
|
}
|
|
}
|
|
|
|
if (PackageLengthOp->Asl.ParseOpcode == PARSEOP_DEFAULT_ARG)
|
|
{
|
|
/*
|
|
* This is the case if the PackageLength was left empty - Package()
|
|
* The package length becomes the length of the initializer list
|
|
*/
|
|
Op->Asl.Child->Asl.ParseOpcode = PARSEOP_INTEGER;
|
|
Op->Asl.Child->Asl.Value.Integer = PackageLength;
|
|
|
|
/* Set the AML opcode */
|
|
|
|
(void) OpcSetOptimalIntegerSize (Op->Asl.Child);
|
|
}
|
|
|
|
/* If not a variable-length package, check for a zero package length */
|
|
|
|
if ((PackageLengthOp->Asl.ParseOpcode == PARSEOP_INTEGER) ||
|
|
(PackageLengthOp->Asl.ParseOpcode == PARSEOP_QWORDCONST) ||
|
|
(PackageLengthOp->Asl.ParseOpcode == PARSEOP_DEFAULT_ARG))
|
|
{
|
|
if (!PackageLength)
|
|
{
|
|
/* No length AND no initializer list -- issue a remark */
|
|
|
|
AslError (ASL_REMARK, ASL_MSG_PACKAGE_LENGTH,
|
|
PackageLengthOp, NULL);
|
|
|
|
/* But go ahead and put the buffer length of zero into the AML */
|
|
}
|
|
}
|
|
|
|
/*
|
|
* If the PackageLength is a constant <= 255, we can change the
|
|
* AML opcode from VarPackage to a simple (ACPI 1.0) Package opcode.
|
|
*/
|
|
if ((Op->Asl.Child->Asl.ParseOpcode == PARSEOP_INTEGER) &&
|
|
(Op->Asl.Child->Asl.Value.Integer <= 255))
|
|
{
|
|
Op->Asl.AmlOpcode = AML_PACKAGE_OP;
|
|
Op->Asl.ParseOpcode = PARSEOP_PACKAGE;
|
|
|
|
/*
|
|
* Just set the package size node to be the package length, regardless
|
|
* of whether it was previously an integer or a default_arg placeholder
|
|
*/
|
|
PackageLengthOp->Asl.AmlOpcode = AML_RAW_DATA_BYTE;
|
|
PackageLengthOp->Asl.AmlLength = 1;
|
|
PackageLengthOp->Asl.ParseOpcode = PARSEOP_RAW_DATA;
|
|
PackageLengthOp->Asl.Value.Integer = PackageLength;
|
|
}
|
|
|
|
/* Remaining nodes are handled via the tree walk */
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: OpnDoLoadTable
|
|
*
|
|
* PARAMETERS: Op - The parent parse node
|
|
*
|
|
* RETURN: None
|
|
*
|
|
* DESCRIPTION: Construct the AML operands for the LOADTABLE ASL keyword.
|
|
*
|
|
******************************************************************************/
|
|
|
|
static void
|
|
OpnDoLoadTable (
|
|
ACPI_PARSE_OBJECT *Op)
|
|
{
|
|
ACPI_PARSE_OBJECT *Next;
|
|
|
|
|
|
/* Opcode is parent node */
|
|
/* First child is the table signature */
|
|
|
|
Next = Op->Asl.Child;
|
|
|
|
/* Second child is the OEM ID*/
|
|
|
|
Next = Next->Asl.Next;
|
|
|
|
/* Third child is the OEM table ID */
|
|
|
|
Next = Next->Asl.Next;
|
|
|
|
/* Fourth child is the RootPath string */
|
|
|
|
Next = Next->Asl.Next;
|
|
if (Next->Asl.ParseOpcode == PARSEOP_ZERO)
|
|
{
|
|
Next->Asl.ParseOpcode = PARSEOP_STRING_LITERAL;
|
|
Next->Asl.Value.String = "\\";
|
|
Next->Asl.AmlLength = 2;
|
|
OpcGenerateAmlOpcode (Next);
|
|
}
|
|
|
|
#ifdef ASL_FUTURE_IMPLEMENTATION
|
|
|
|
/* TBD: NOT IMPLEMENTED */
|
|
/* Fifth child is the [optional] ParameterPathString */
|
|
/* Sixth child is the [optional] ParameterData */
|
|
|
|
Next = Next->Asl.Next;
|
|
if (Next->Asl.ParseOpcode == DEFAULT_ARG)
|
|
{
|
|
Next->Asl.AmlLength = 1;
|
|
Next->Asl.ParseOpcode = ZERO;
|
|
OpcGenerateAmlOpcode (Next);
|
|
}
|
|
|
|
|
|
Next = Next->Asl.Next;
|
|
if (Next->Asl.ParseOpcode == DEFAULT_ARG)
|
|
{
|
|
Next->Asl.AmlLength = 1;
|
|
Next->Asl.ParseOpcode = ZERO;
|
|
OpcGenerateAmlOpcode (Next);
|
|
}
|
|
#endif
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: OpnDoDefinitionBlock
|
|
*
|
|
* PARAMETERS: Op - The parent parse node
|
|
*
|
|
* RETURN: None
|
|
*
|
|
* DESCRIPTION: Construct the AML operands for the DEFINITIONBLOCK ASL keyword
|
|
*
|
|
******************************************************************************/
|
|
|
|
static void
|
|
OpnDoDefinitionBlock (
|
|
ACPI_PARSE_OBJECT *Op)
|
|
{
|
|
ACPI_PARSE_OBJECT *Child;
|
|
ACPI_SIZE Length;
|
|
UINT32 i;
|
|
char *Filename;
|
|
|
|
|
|
/*
|
|
* These nodes get stuffed into the table header. They are special
|
|
* cased when the table is written to the output file.
|
|
*
|
|
* Mark all of these nodes as non-usable so they won't get output
|
|
* as AML opcodes!
|
|
*/
|
|
|
|
/* Get AML filename. Use it if non-null */
|
|
|
|
Child = Op->Asl.Child;
|
|
if (Child->Asl.Value.Buffer &&
|
|
*Child->Asl.Value.Buffer &&
|
|
(Gbl_UseDefaultAmlFilename))
|
|
{
|
|
/*
|
|
* We will use the AML filename that is embedded in the source file
|
|
* for the output filename.
|
|
*/
|
|
Filename = ACPI_ALLOCATE (strlen (Gbl_DirectoryPath) +
|
|
strlen ((char *) Child->Asl.Value.Buffer) + 1);
|
|
|
|
/* Prepend the current directory path */
|
|
|
|
strcpy (Filename, Gbl_DirectoryPath);
|
|
strcat (Filename, (char *) Child->Asl.Value.Buffer);
|
|
|
|
Gbl_OutputFilenamePrefix = Filename;
|
|
}
|
|
Child->Asl.ParseOpcode = PARSEOP_DEFAULT_ARG;
|
|
|
|
/* Signature */
|
|
|
|
Child = Child->Asl.Next;
|
|
Child->Asl.ParseOpcode = PARSEOP_DEFAULT_ARG;
|
|
if (Child->Asl.Value.String)
|
|
{
|
|
Gbl_TableSignature = Child->Asl.Value.String;
|
|
if (ACPI_STRLEN (Gbl_TableSignature) != 4)
|
|
{
|
|
AslError (ASL_ERROR, ASL_MSG_TABLE_SIGNATURE, Child,
|
|
"Length not exactly 4");
|
|
}
|
|
|
|
for (i = 0; i < 4; i++)
|
|
{
|
|
if (!isalnum ((int) Gbl_TableSignature[i]))
|
|
{
|
|
AslError (ASL_ERROR, ASL_MSG_TABLE_SIGNATURE, Child,
|
|
"Contains non-alphanumeric characters");
|
|
}
|
|
}
|
|
}
|
|
|
|
/* Revision */
|
|
|
|
Child = Child->Asl.Next;
|
|
Child->Asl.ParseOpcode = PARSEOP_DEFAULT_ARG;
|
|
/*
|
|
* We used the revision to set the integer width earlier
|
|
*/
|
|
|
|
/* OEMID */
|
|
|
|
Child = Child->Asl.Next;
|
|
Child->Asl.ParseOpcode = PARSEOP_DEFAULT_ARG;
|
|
|
|
/* OEM TableID */
|
|
|
|
Child = Child->Asl.Next;
|
|
Child->Asl.ParseOpcode = PARSEOP_DEFAULT_ARG;
|
|
if (Child->Asl.Value.String)
|
|
{
|
|
Length = ACPI_STRLEN (Child->Asl.Value.String);
|
|
Gbl_TableId = AcpiOsAllocate (Length + 1);
|
|
ACPI_STRCPY (Gbl_TableId, Child->Asl.Value.String);
|
|
|
|
for (i = 0; i < Length; i++)
|
|
{
|
|
if (Gbl_TableId[i] == ' ')
|
|
{
|
|
Gbl_TableId[i] = 0;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
/* OEM Revision */
|
|
|
|
Child = Child->Asl.Next;
|
|
Child->Asl.ParseOpcode = PARSEOP_DEFAULT_ARG;
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: UtGetArg
|
|
*
|
|
* PARAMETERS: Op - Get an argument for this op
|
|
* Argn - Nth argument to get
|
|
*
|
|
* RETURN: The argument (as an Op object). NULL if argument does not exist
|
|
*
|
|
* DESCRIPTION: Get the specified op's argument (peer)
|
|
*
|
|
******************************************************************************/
|
|
|
|
ACPI_PARSE_OBJECT *
|
|
UtGetArg (
|
|
ACPI_PARSE_OBJECT *Op,
|
|
UINT32 Argn)
|
|
{
|
|
ACPI_PARSE_OBJECT *Arg = NULL;
|
|
|
|
|
|
/* Get the requested argument object */
|
|
|
|
Arg = Op->Asl.Child;
|
|
while (Arg && Argn)
|
|
{
|
|
Argn--;
|
|
Arg = Arg->Asl.Next;
|
|
}
|
|
|
|
return (Arg);
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: OpnAttachNameToNode
|
|
*
|
|
* PARAMETERS: Op - The parent parse node
|
|
*
|
|
* RETURN: None
|
|
*
|
|
* DESCRIPTION: For the named ASL/AML operators, get the actual name from the
|
|
* argument list and attach it to the parent node so that we
|
|
* can get to it quickly later.
|
|
*
|
|
******************************************************************************/
|
|
|
|
static void
|
|
OpnAttachNameToNode (
|
|
ACPI_PARSE_OBJECT *Op)
|
|
{
|
|
ACPI_PARSE_OBJECT *Child = NULL;
|
|
|
|
|
|
if (Op->Asl.ParseOpcode == PARSEOP_EXTERNAL)
|
|
{
|
|
Child = UtGetArg (Op, 0);
|
|
}
|
|
else switch (Op->Asl.AmlOpcode)
|
|
{
|
|
case AML_DATA_REGION_OP:
|
|
case AML_DEVICE_OP:
|
|
case AML_EVENT_OP:
|
|
case AML_METHOD_OP:
|
|
case AML_MUTEX_OP:
|
|
case AML_REGION_OP:
|
|
case AML_POWER_RES_OP:
|
|
case AML_PROCESSOR_OP:
|
|
case AML_THERMAL_ZONE_OP:
|
|
case AML_NAME_OP:
|
|
case AML_SCOPE_OP:
|
|
|
|
Child = UtGetArg (Op, 0);
|
|
break;
|
|
|
|
case AML_ALIAS_OP:
|
|
|
|
Child = UtGetArg (Op, 1);
|
|
break;
|
|
|
|
case AML_CREATE_BIT_FIELD_OP:
|
|
case AML_CREATE_BYTE_FIELD_OP:
|
|
case AML_CREATE_WORD_FIELD_OP:
|
|
case AML_CREATE_DWORD_FIELD_OP:
|
|
case AML_CREATE_QWORD_FIELD_OP:
|
|
|
|
Child = UtGetArg (Op, 2);
|
|
break;
|
|
|
|
case AML_CREATE_FIELD_OP:
|
|
|
|
Child = UtGetArg (Op, 3);
|
|
break;
|
|
|
|
case AML_BANK_FIELD_OP:
|
|
case AML_INDEX_FIELD_OP:
|
|
case AML_FIELD_OP:
|
|
|
|
return;
|
|
|
|
default:
|
|
return;
|
|
}
|
|
|
|
if (Child)
|
|
{
|
|
UtAttachNamepathToOwner (Op, Child);
|
|
}
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: OpnGenerateAmlOperands
|
|
*
|
|
* PARAMETERS: Op - The parent parse node
|
|
*
|
|
* RETURN: None
|
|
*
|
|
* DESCRIPTION: Prepare nodes to be output as AML data and operands. The more
|
|
* complex AML opcodes require processing of the child nodes
|
|
* (arguments/operands).
|
|
*
|
|
******************************************************************************/
|
|
|
|
void
|
|
OpnGenerateAmlOperands (
|
|
ACPI_PARSE_OBJECT *Op)
|
|
{
|
|
|
|
|
|
if (Op->Asl.AmlOpcode == AML_RAW_DATA_BYTE)
|
|
{
|
|
return;
|
|
}
|
|
|
|
switch (Op->Asl.ParseOpcode)
|
|
{
|
|
case PARSEOP_DEFINITIONBLOCK:
|
|
OpnDoDefinitionBlock (Op);
|
|
break;
|
|
|
|
case PARSEOP_METHOD:
|
|
OpnDoMethod (Op);
|
|
break;
|
|
|
|
case PARSEOP_MUTEX:
|
|
OpnDoMutex (Op);
|
|
break;
|
|
|
|
case PARSEOP_FIELD:
|
|
OpnDoField (Op);
|
|
break;
|
|
|
|
case PARSEOP_INDEXFIELD:
|
|
OpnDoIndexField (Op);
|
|
break;
|
|
|
|
case PARSEOP_BANKFIELD:
|
|
OpnDoBankField (Op);
|
|
break;
|
|
|
|
case PARSEOP_BUFFER:
|
|
OpnDoBuffer (Op);
|
|
break;
|
|
|
|
case PARSEOP_LOADTABLE:
|
|
OpnDoLoadTable (Op);
|
|
break;
|
|
|
|
case PARSEOP_OPERATIONREGION:
|
|
OpnDoRegion (Op);
|
|
break;
|
|
|
|
case PARSEOP_RESOURCETEMPLATE:
|
|
RsDoResourceTemplate (Op);
|
|
break;
|
|
|
|
case PARSEOP_NAMESEG:
|
|
case PARSEOP_NAMESTRING:
|
|
case PARSEOP_METHODCALL:
|
|
case PARSEOP_STRING_LITERAL:
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
|
|
/* TBD: move */
|
|
|
|
OpnAttachNameToNode (Op);
|
|
}
|
|
|
|
|