mirror of https://github.com/F-Stack/f-stack.git
819 lines
25 KiB
C
819 lines
25 KiB
C
/******************************************************************************
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*
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* Module Name: aslcodegen - AML code generation
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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 - 2020, Intel Corp.
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* All rights reserved.
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*
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* 2. License
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*
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* 2.1. This is your license from Intel Corp. under its intellectual property
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* rights. You may have additional license terms from the party that provided
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* you this software, covering your right to use that party's intellectual
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* property rights.
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*
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* 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
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* copy of the source code appearing in this file ("Covered Code") an
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* irrevocable, perpetual, worldwide license under Intel's copyrights in the
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* base code distributed originally by Intel ("Original Intel Code") to copy,
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* make derivatives, distribute, use and display any portion of the Covered
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* Code in any form, with the right to sublicense such rights; and
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*
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* 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
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* license (with the right to sublicense), under only those claims of Intel
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* patents that are infringed by the Original Intel Code, to make, use, sell,
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* offer to sell, and import the Covered Code and derivative works thereof
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* solely to the minimum extent necessary to exercise the above copyright
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* license, and in no event shall the patent license extend to any additions
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* to or modifications of the Original Intel Code. No other license or right
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* is granted directly or by implication, estoppel or otherwise;
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*
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* The above copyright and patent license is granted only if the following
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* conditions are met:
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*
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* 3. Conditions
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*
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* 3.1. Redistribution of Source with Rights to Further Distribute Source.
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* Redistribution of source code of any substantial portion of the Covered
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* Code or modification with rights to further distribute source must include
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* the above Copyright Notice, the above License, this list of Conditions,
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* and the following Disclaimer and Export Compliance provision. In addition,
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* Licensee must cause all Covered Code to which Licensee contributes to
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* contain a file documenting the changes Licensee made to create that Covered
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* Code and the date of any change. Licensee must include in that file the
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* documentation of any changes made by any predecessor Licensee. Licensee
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* must include a prominent statement that the modification is derived,
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* directly or indirectly, from Original Intel Code.
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*
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* 3.2. Redistribution of Source with no Rights to Further Distribute Source.
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* Redistribution of source code of any substantial portion of the Covered
|
|
* Code or modification without rights to further distribute source must
|
|
* 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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*
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* Alternatively, you may choose to be licensed under the terms of the
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* following license:
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions, and the following disclaimer,
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* without modification.
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* 2. Redistributions in binary form must reproduce at minimum a disclaimer
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* substantially similar to the "NO WARRANTY" disclaimer below
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* ("Disclaimer") and any redistribution must be conditioned upon
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* including a substantially similar Disclaimer requirement for further
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* binary redistribution.
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* 3. Neither the names of the above-listed copyright holders nor the names
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* of any contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* Alternatively, you may choose to be licensed under the terms of the
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* GNU General Public License ("GPL") version 2 as published by the Free
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* Software Foundation.
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*
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*****************************************************************************/
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#include <contrib/dev/acpica/compiler/aslcompiler.h>
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#include "aslcompiler.y.h"
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#include <contrib/dev/acpica/include/amlcode.h>
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#include <contrib/dev/acpica/include/acconvert.h>
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#define _COMPONENT ACPI_COMPILER
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ACPI_MODULE_NAME ("aslcodegen")
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/* Local prototypes */
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static ACPI_STATUS
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CgAmlWriteWalk (
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ACPI_PARSE_OBJECT *Op,
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UINT32 Level,
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void *Context);
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static void
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CgWriteAmlOpcode (
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ACPI_PARSE_OBJECT *Op);
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static void
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CgWriteTableHeader (
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ACPI_PARSE_OBJECT *Op);
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static void
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CgWriteNode (
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ACPI_PARSE_OBJECT *Op);
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static void
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CgUpdateHeader (
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ACPI_PARSE_OBJECT *Op);
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/*******************************************************************************
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*
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* FUNCTION: CgGenerateAmlOutput
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*
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* PARAMETERS: None.
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*
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* RETURN: None
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*
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* DESCRIPTION: Generate AML code. Currently generates the listing file
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* simultaneously.
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*
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******************************************************************************/
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void
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CgGenerateAmlOutput (
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void)
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{
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/* Generate the AML output file */
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TrWalkParseTree (AslGbl_CurrentDB,
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ASL_WALK_VISIT_DOWNWARD | ASL_WALK_VISIT_DB_SEPARATELY,
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CgAmlWriteWalk, NULL, NULL);
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DbgPrint (ASL_TREE_OUTPUT, ASL_PARSE_TREE_HEADER2);
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CgUpdateHeader (AslGbl_CurrentDB);
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}
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/*******************************************************************************
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*
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* FUNCTION: CgAmlWriteWalk
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*
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* PARAMETERS: ASL_WALK_CALLBACK
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*
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* RETURN: Status
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*
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* DESCRIPTION: Parse tree walk to generate the AML code.
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*
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******************************************************************************/
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static ACPI_STATUS
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CgAmlWriteWalk (
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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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/* Generate the AML for this node */
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CgWriteNode (Op);
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if (!AslGbl_DebugFlag)
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{
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return (AE_OK);
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}
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/* Print header at level 0. Alignment assumes 32-bit pointers */
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if (!Level)
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{
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DbgPrint (ASL_TREE_OUTPUT,
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"\nFinal parse tree used for AML output:\n");
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DbgPrint (ASL_TREE_OUTPUT, ASL_PARSE_TREE_HEADER2);
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}
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/* Dump ParseOp name and possible value */
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switch (Op->Asl.ParseOpcode)
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{
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case PARSEOP_NAMESEG:
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case PARSEOP_NAMESTRING:
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case PARSEOP_METHODCALL:
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case PARSEOP_STRING_LITERAL:
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UtDumpStringOp (Op, Level);
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break;
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default:
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UtDumpBasicOp (Op, Level);
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break;
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}
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DbgPrint (ASL_TREE_OUTPUT, ASL_PARSE_TREE_DEBUG2,
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/* 1 */ (UINT32) Op->Asl.Value.Integer,
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/* 2 */ Op->Asl.ParseOpcode,
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/* 3 */ Op->Asl.AmlOpcode,
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/* 4 */ Op->Asl.AmlOpcodeLength,
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/* 5 */ Op->Asl.AmlPkgLenBytes,
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/* 6 */ Op->Asl.AmlLength,
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/* 7 */ Op->Asl.AmlSubtreeLength,
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/* 8 */ Op->Asl.Parent ? Op->Asl.Parent->Asl.AmlSubtreeLength : 0,
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/* 9 */ Op,
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/* 10 */ Op->Asl.Parent,
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/* 11 */ Op->Asl.Child,
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/* 12 */ Op->Asl.Next,
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/* 13 */ Op->Asl.CompileFlags,
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/* 14 */ Op->Asl.AcpiBtype,
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/* 15 */ Op->Asl.FinalAmlLength,
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/* 16 */ Op->Asl.Column,
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/* 17 */ Op->Asl.LineNumber,
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/* 18 */ Op->Asl.EndLine,
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/* 19 */ Op->Asl.LogicalLineNumber,
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/* 20 */ Op->Asl.EndLogicalLine);
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TrPrintOpFlags (Op->Asl.CompileFlags, ASL_TREE_OUTPUT);
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DbgPrint (ASL_TREE_OUTPUT, "\n");
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return (AE_OK);
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}
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/*******************************************************************************
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*
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* FUNCTION: CgLocalWriteAmlData
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*
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* PARAMETERS: Op - Current parse op
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* Buffer - Buffer to write
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* Length - Size of data in buffer
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*
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* RETURN: None
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*
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* DESCRIPTION: Write a buffer of AML data to the AML output file.
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*
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******************************************************************************/
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void
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CgLocalWriteAmlData (
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ACPI_PARSE_OBJECT *Op,
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void *Buffer,
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UINT32 Length)
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{
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/* Write the raw data to the AML file */
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FlWriteFile (ASL_FILE_AML_OUTPUT, Buffer, Length);
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/* Update the final AML length for this node (used for listings) */
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if (Op)
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{
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Op->Asl.FinalAmlLength += Length;
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}
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}
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/*******************************************************************************
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*
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* FUNCTION: CgWriteAmlOpcode
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*
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* PARAMETERS: Op - Parse node with an AML opcode
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*
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* RETURN: None.
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*
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* DESCRIPTION: Write the AML opcode corresponding to a parse node.
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*
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******************************************************************************/
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static void
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CgWriteAmlOpcode (
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ACPI_PARSE_OBJECT *Op)
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{
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UINT8 PkgLenFirstByte;
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UINT32 i;
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union {
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UINT16 Opcode;
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UINT8 OpcodeBytes[2];
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} Aml;
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union {
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UINT32 Len;
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UINT8 LenBytes[4];
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} PkgLen;
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/* We expect some DEFAULT_ARGs, just ignore them */
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if (Op->Asl.ParseOpcode == PARSEOP_DEFAULT_ARG)
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{
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return;
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}
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/*
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* Before printing the bytecode, generate comment byte codes
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* associated with this node.
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*/
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if (AcpiGbl_CaptureComments)
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{
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CgWriteAmlComment(Op);
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}
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switch (Op->Asl.AmlOpcode)
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{
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case AML_UNASSIGNED_OPCODE:
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/* These opcodes should not get here */
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printf ("Found a node with an unassigned AML opcode\n");
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FlPrintFile (ASL_FILE_STDERR,
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"Found a node with an unassigned AML opcode\n");
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return;
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case AML_INT_RESERVEDFIELD_OP:
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/* Special opcodes for within a field definition */
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Aml.Opcode = AML_FIELD_OFFSET_OP;
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break;
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case AML_INT_ACCESSFIELD_OP:
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Aml.Opcode = AML_FIELD_ACCESS_OP;
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break;
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case AML_INT_CONNECTION_OP:
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Aml.Opcode = AML_FIELD_CONNECTION_OP;
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break;
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default:
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Aml.Opcode = Op->Asl.AmlOpcode;
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break;
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}
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switch (Aml.Opcode)
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{
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case AML_PACKAGE_LENGTH:
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/* Value is the length to be encoded (Used in field definitions) */
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PkgLen.Len = (UINT32) Op->Asl.Value.Integer;
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break;
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default:
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/* Check for two-byte opcode */
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if (Aml.Opcode > 0x00FF)
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{
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/* Write the high byte first */
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CgLocalWriteAmlData (Op, &Aml.OpcodeBytes[1], 1);
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}
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CgLocalWriteAmlData (Op, &Aml.OpcodeBytes[0], 1);
|
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|
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/* Subtreelength doesn't include length of package length bytes */
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PkgLen.Len = Op->Asl.AmlSubtreeLength + Op->Asl.AmlPkgLenBytes;
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break;
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}
|
|
|
|
/* Does this opcode have an associated "PackageLength" field? */
|
|
|
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if (Op->Asl.CompileFlags & OP_AML_PACKAGE)
|
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{
|
|
if (Op->Asl.AmlPkgLenBytes == 1)
|
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{
|
|
/* Simplest case -- no bytes to follow, just write the count */
|
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|
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CgLocalWriteAmlData (Op, &PkgLen.LenBytes[0], 1);
|
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}
|
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else if (Op->Asl.AmlPkgLenBytes != 0)
|
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{
|
|
/*
|
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* Encode the "bytes to follow" in the first byte, top two bits.
|
|
* The low-order nybble of the length is in the bottom 4 bits
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*/
|
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PkgLenFirstByte = (UINT8)
|
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(((UINT32) (Op->Asl.AmlPkgLenBytes - 1) << 6) |
|
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(PkgLen.LenBytes[0] & 0x0F));
|
|
|
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CgLocalWriteAmlData (Op, &PkgLenFirstByte, 1);
|
|
|
|
/*
|
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* Shift the length over by the 4 bits we just stuffed
|
|
* in the first byte
|
|
*/
|
|
PkgLen.Len >>= 4;
|
|
|
|
/*
|
|
* Now we can write the remaining bytes -
|
|
* either 1, 2, or 3 bytes
|
|
*/
|
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for (i = 0; i < (UINT32) (Op->Asl.AmlPkgLenBytes - 1); i++)
|
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{
|
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CgLocalWriteAmlData (Op, &PkgLen.LenBytes[i], 1);
|
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}
|
|
}
|
|
}
|
|
|
|
switch (Aml.Opcode)
|
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{
|
|
case AML_BYTE_OP:
|
|
|
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CgLocalWriteAmlData (Op, &Op->Asl.Value.Integer, 1);
|
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break;
|
|
|
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case AML_WORD_OP:
|
|
|
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CgLocalWriteAmlData (Op, &Op->Asl.Value.Integer, 2);
|
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break;
|
|
|
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case AML_DWORD_OP:
|
|
|
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CgLocalWriteAmlData (Op, &Op->Asl.Value.Integer, 4);
|
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break;
|
|
|
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case AML_QWORD_OP:
|
|
|
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CgLocalWriteAmlData (Op, &Op->Asl.Value.Integer, 8);
|
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break;
|
|
|
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case AML_STRING_OP:
|
|
|
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CgLocalWriteAmlData (Op, Op->Asl.Value.String, Op->Asl.AmlLength);
|
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break;
|
|
|
|
default:
|
|
|
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/* All data opcodes must appear above */
|
|
|
|
break;
|
|
}
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: CgWriteTableHeader
|
|
*
|
|
* PARAMETERS: Op - The DEFINITIONBLOCK node
|
|
*
|
|
* RETURN: None
|
|
*
|
|
* DESCRIPTION: Write a table header corresponding to the DEFINITIONBLOCK
|
|
*
|
|
* NOTE: Input strings should be validated before this function is invoked.
|
|
*
|
|
******************************************************************************/
|
|
|
|
static void
|
|
CgWriteTableHeader (
|
|
ACPI_PARSE_OBJECT *Op)
|
|
{
|
|
ACPI_PARSE_OBJECT *Child;
|
|
UINT32 CommentLength;
|
|
ACPI_COMMENT_NODE *Current;
|
|
|
|
|
|
memset (&AslGbl_TableHeader, 0, sizeof (ACPI_TABLE_HEADER));
|
|
|
|
/* AML filename */
|
|
|
|
Child = Op->Asl.Child;
|
|
|
|
/* Signature */
|
|
|
|
Child = Child->Asl.Next;
|
|
|
|
/*
|
|
* For ASL-/ASL+ converter: replace the table signature with
|
|
* "XXXX" and save the original table signature. This results in an AML
|
|
* file with the signature "XXXX". The converter should remove this AML
|
|
* file. In the event where this AML file does not get deleted, the
|
|
* "XXXX" table signature prevents this AML file from running on the AML
|
|
* interpreter.
|
|
*/
|
|
if (AcpiGbl_CaptureComments)
|
|
{
|
|
ACPI_COPY_NAMESEG (AcpiGbl_TableSig, Child->Asl.Value.String);
|
|
Child->Asl.Value.String = ACPI_SIG_XXXX;
|
|
}
|
|
|
|
ACPI_COPY_NAMESEG (AslGbl_TableHeader.Signature, Child->Asl.Value.String);
|
|
|
|
/* Revision */
|
|
|
|
Child = Child->Asl.Next;
|
|
AslGbl_TableHeader.Revision = (UINT8) Child->Asl.Value.Integer;
|
|
|
|
/* Command-line Revision override */
|
|
|
|
if (AslGbl_RevisionOverride)
|
|
{
|
|
AslGbl_TableHeader.Revision = AslGbl_RevisionOverride;
|
|
}
|
|
|
|
/* OEMID */
|
|
|
|
Child = Child->Asl.Next;
|
|
memcpy (AslGbl_TableHeader.OemId, Child->Asl.Value.String,
|
|
strlen (Child->Asl.Value.String));
|
|
|
|
/* OEM TableID */
|
|
|
|
Child = Child->Asl.Next;
|
|
memcpy (AslGbl_TableHeader.OemTableId, Child->Asl.Value.String,
|
|
strlen (Child->Asl.Value.String));
|
|
|
|
/* OEM Revision */
|
|
|
|
Child = Child->Asl.Next;
|
|
AslGbl_TableHeader.OemRevision = (UINT32) Child->Asl.Value.Integer;
|
|
|
|
/* Compiler ID */
|
|
|
|
ACPI_COPY_NAMESEG (AslGbl_TableHeader.AslCompilerId, ASL_CREATOR_ID);
|
|
|
|
/* Compiler version */
|
|
|
|
AslGbl_TableHeader.AslCompilerRevision = ACPI_CA_VERSION;
|
|
|
|
/* Table length. Checksum zero for now, will rewrite later */
|
|
|
|
AslGbl_TableHeader.Length = sizeof (ACPI_TABLE_HEADER) +
|
|
Op->Asl.AmlSubtreeLength;
|
|
|
|
/* Calculate the comment lengths for this definition block parseOp */
|
|
|
|
if (AcpiGbl_CaptureComments)
|
|
{
|
|
CvDbgPrint ("Calculating comment lengths for %s in write header\n",
|
|
Op->Asl.ParseOpName);
|
|
|
|
/*
|
|
* Take the filename without extensions, add 3 for the new extension
|
|
* and another 3 for the a908 bytecode and null terminator.
|
|
*/
|
|
AslGbl_TableHeader.Length += strrchr (AslGbl_ParseTreeRoot->Asl.Filename, '.')
|
|
- AslGbl_ParseTreeRoot->Asl.Filename + 1 + 3 + 3;
|
|
|
|
Op->Asl.AmlSubtreeLength +=
|
|
strlen (AslGbl_ParseTreeRoot->Asl.Filename) + 3;
|
|
|
|
CvDbgPrint (" Length: %u\n",
|
|
(UINT32) strlen (AslGbl_ParseTreeRoot->Asl.Filename) + 3);
|
|
|
|
if (Op->Asl.CommentList)
|
|
{
|
|
Current = Op->Asl.CommentList;
|
|
while (Current)
|
|
{
|
|
CommentLength = strlen (Current->Comment)+3;
|
|
CvDbgPrint ("Length of standard comment): %d\n", CommentLength);
|
|
CvDbgPrint (" Comment string: %s\n\n", Current->Comment);
|
|
AslGbl_TableHeader.Length += CommentLength;
|
|
Op->Asl.AmlSubtreeLength += CommentLength;
|
|
Current = Current->Next;
|
|
CvDbgPrint (" Length: %u\n", CommentLength);
|
|
}
|
|
}
|
|
if (Op->Asl.CloseBraceComment)
|
|
{
|
|
CommentLength = strlen (Op->Asl.CloseBraceComment)+3;
|
|
CvDbgPrint ("Length of inline comment +3: %d\n", CommentLength);
|
|
CvDbgPrint (" Comment string: %s\n\n", Op->Asl.CloseBraceComment);
|
|
AslGbl_TableHeader.Length += CommentLength;
|
|
Op->Asl.AmlSubtreeLength += CommentLength;
|
|
CvDbgPrint (" Length: %u\n", CommentLength);
|
|
}
|
|
}
|
|
|
|
AslGbl_TableHeader.Checksum = 0;
|
|
Op->Asl.FinalAmlOffset = ftell (AslGbl_Files[ASL_FILE_AML_OUTPUT].Handle);
|
|
|
|
/* Write entire header and clear the table header global */
|
|
|
|
CgLocalWriteAmlData (Op, &AslGbl_TableHeader, sizeof (ACPI_TABLE_HEADER));
|
|
memset (&AslGbl_TableHeader, 0, sizeof (ACPI_TABLE_HEADER));
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: CgUpdateHeader
|
|
*
|
|
* PARAMETERS: Op - Op for the Definition Block
|
|
*
|
|
* RETURN: None.
|
|
*
|
|
* DESCRIPTION: Complete the ACPI table by calculating the checksum and
|
|
* re-writing the header for the input definition block
|
|
*
|
|
******************************************************************************/
|
|
|
|
static void
|
|
CgUpdateHeader (
|
|
ACPI_PARSE_OBJECT *Op)
|
|
{
|
|
signed char Sum;
|
|
UINT32 i;
|
|
UINT32 Length;
|
|
UINT8 FileByte;
|
|
UINT8 Checksum;
|
|
|
|
|
|
/* Calculate the checksum over the entire definition block */
|
|
|
|
Sum = 0;
|
|
Length = sizeof (ACPI_TABLE_HEADER) + Op->Asl.AmlSubtreeLength;
|
|
FlSeekFile (ASL_FILE_AML_OUTPUT, Op->Asl.FinalAmlOffset);
|
|
|
|
for (i = 0; i < Length; i++)
|
|
{
|
|
if (FlReadFile (ASL_FILE_AML_OUTPUT, &FileByte, 1) != AE_OK)
|
|
{
|
|
AslError (ASL_ERROR, ASL_MSG_COMPILER_INTERNAL, NULL,
|
|
"Table length is greater than size of the input file");
|
|
return;
|
|
}
|
|
|
|
Sum = (signed char) (Sum + FileByte);
|
|
}
|
|
|
|
Checksum = (UINT8) (0 - Sum);
|
|
|
|
/* Re-write the checksum byte */
|
|
|
|
FlSeekFile (ASL_FILE_AML_OUTPUT, Op->Asl.FinalAmlOffset +
|
|
ACPI_OFFSET (ACPI_TABLE_HEADER, Checksum));
|
|
|
|
FlWriteFile (ASL_FILE_AML_OUTPUT, &Checksum, 1);
|
|
|
|
/*
|
|
* Seek to the end of the file. This is done to support multiple file
|
|
* compilation. Doing this simplifies other parts of the codebase because
|
|
* it eliminates the need to seek for a different starting place.
|
|
*/
|
|
FlSeekFile (ASL_FILE_AML_OUTPUT, Op->Asl.FinalAmlOffset + Length);
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: CgWriteNode
|
|
*
|
|
* PARAMETERS: Op - Parse node to write.
|
|
*
|
|
* RETURN: None.
|
|
*
|
|
* DESCRIPTION: Write the AML that corresponds to a parse node.
|
|
*
|
|
******************************************************************************/
|
|
|
|
static void
|
|
CgWriteNode (
|
|
ACPI_PARSE_OBJECT *Op)
|
|
{
|
|
ASL_RESOURCE_NODE *Rnode;
|
|
|
|
|
|
/* Write all comments here. */
|
|
|
|
if (AcpiGbl_CaptureComments)
|
|
{
|
|
CgWriteAmlComment(Op);
|
|
}
|
|
|
|
/* Always check for DEFAULT_ARG and other "Noop" nodes */
|
|
/* TBD: this may not be the best place for this check */
|
|
|
|
if ((Op->Asl.ParseOpcode == PARSEOP_DEFAULT_ARG) ||
|
|
(Op->Asl.ParseOpcode == PARSEOP_INCLUDE) ||
|
|
(Op->Asl.ParseOpcode == PARSEOP_INCLUDE_END))
|
|
{
|
|
return;
|
|
}
|
|
|
|
Op->Asl.FinalAmlLength = 0;
|
|
|
|
switch (Op->Asl.AmlOpcode)
|
|
{
|
|
case AML_RAW_DATA_BYTE:
|
|
case AML_RAW_DATA_WORD:
|
|
case AML_RAW_DATA_DWORD:
|
|
case AML_RAW_DATA_QWORD:
|
|
|
|
CgLocalWriteAmlData (Op, &Op->Asl.Value.Integer, Op->Asl.AmlLength);
|
|
return;
|
|
|
|
|
|
case AML_RAW_DATA_BUFFER:
|
|
|
|
CgLocalWriteAmlData (Op, Op->Asl.Value.Buffer, Op->Asl.AmlLength);
|
|
return;
|
|
|
|
|
|
case AML_RAW_DATA_CHAIN:
|
|
|
|
Rnode = ACPI_CAST_PTR (ASL_RESOURCE_NODE, Op->Asl.Value.Buffer);
|
|
while (Rnode)
|
|
{
|
|
CgLocalWriteAmlData (Op, Rnode->Buffer, Rnode->BufferLength);
|
|
Rnode = Rnode->Next;
|
|
}
|
|
return;
|
|
|
|
default:
|
|
|
|
/* Internal data opcodes must all appear above */
|
|
|
|
break;
|
|
}
|
|
|
|
switch (Op->Asl.ParseOpcode)
|
|
{
|
|
case PARSEOP_DEFAULT_ARG:
|
|
|
|
break;
|
|
|
|
case PARSEOP_DEFINITION_BLOCK:
|
|
|
|
CgWriteTableHeader (Op);
|
|
if (AcpiGbl_CaptureComments)
|
|
{
|
|
CgWriteAmlDefBlockComment (Op);
|
|
}
|
|
break;
|
|
|
|
case PARSEOP_NAMESEG:
|
|
case PARSEOP_NAMESTRING:
|
|
case PARSEOP_METHODCALL:
|
|
|
|
CgLocalWriteAmlData (Op, Op->Asl.Value.String, Op->Asl.AmlLength);
|
|
break;
|
|
|
|
default:
|
|
|
|
CgWriteAmlOpcode (Op);
|
|
break;
|
|
}
|
|
}
|