1073 lines
31 KiB
C
1073 lines
31 KiB
C
/******************************************************************************
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*
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* Module Name: adwalk - Application-level disassembler parse tree walk routines
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*
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*****************************************************************************/
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/******************************************************************************
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*
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* 1. Copyright Notice
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*
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* Some or all of this work - Copyright (c) 1999 - 2011, Intel Corp.
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* All rights reserved.
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*
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* 2. License
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*
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* 2.1. This is your license from Intel Corp. under its intellectual property
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* rights. You may have additional license terms from the party that provided
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* you this software, covering your right to use that party's intellectual
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* property rights.
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*
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* 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
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* copy of the source code appearing in this file ("Covered Code") an
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* irrevocable, perpetual, worldwide license under Intel's copyrights in the
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* base code distributed originally by Intel ("Original Intel Code") to copy,
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* make derivatives, distribute, use and display any portion of the Covered
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* Code in any form, with the right to sublicense such rights; and
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*
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* 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
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* license (with the right to sublicense), under only those claims of Intel
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* patents that are infringed by the Original Intel Code, to make, use, sell,
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* offer to sell, and import the Covered Code and derivative works thereof
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* solely to the minimum extent necessary to exercise the above copyright
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* license, and in no event shall the patent license extend to any additions
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* to or modifications of the Original Intel Code. No other license or right
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* is granted directly or by implication, estoppel or otherwise;
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*
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* The above copyright and patent license is granted only if the following
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* conditions are met:
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*
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* 3. Conditions
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*
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* 3.1. Redistribution of Source with Rights to Further Distribute Source.
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* Redistribution of source code of any substantial portion of the Covered
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* Code or modification with rights to further distribute source must include
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* the above Copyright Notice, the above License, this list of Conditions,
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* and the following Disclaimer and Export Compliance provision. In addition,
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* Licensee must cause all Covered Code to which Licensee contributes to
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* contain a file documenting the changes Licensee made to create that Covered
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* Code and the date of any change. Licensee must include in that file the
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* documentation of any changes made by any predecessor Licensee. Licensee
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* must include a prominent statement that the modification is derived,
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* directly or indirectly, from Original Intel Code.
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*
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* 3.2. Redistribution of Source with no Rights to Further Distribute Source.
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* Redistribution of source code of any substantial portion of the Covered
|
|
* Code or modification without rights to further distribute source must
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* include the following Disclaimer and Export Compliance provision in the
|
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* documentation and/or other materials provided with distribution. In
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* addition, Licensee may not authorize further sublicense of source of any
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* portion of the Covered Code, and must include terms to the effect that the
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* license from Licensee to its licensee is limited to the intellectual
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* property embodied in the software Licensee provides to its licensee, and
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* not to intellectual property embodied in modifications its licensee may
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* make.
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*
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* 3.3. Redistribution of Executable. Redistribution in executable form of any
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* substantial portion of the Covered Code or modification must reproduce the
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* above Copyright Notice, and the following Disclaimer and Export Compliance
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* provision in the documentation and/or other materials provided with the
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* distribution.
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*
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* 3.4. Intel retains all right, title, and interest in and to the Original
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* Intel Code.
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*
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* 3.5. Neither the name Intel nor any other trademark owned or controlled by
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* Intel shall be used in advertising or otherwise to promote the sale, use or
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* other dealings in products derived from or relating to the Covered Code
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* without prior written authorization from Intel.
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*
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* 4. Disclaimer and Export Compliance
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*
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* 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
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* HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
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* IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE,
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* INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY
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* UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY
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* IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
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* PARTICULAR PURPOSE.
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*
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* 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
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* OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
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* COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
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* SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
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* CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
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* HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS
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* SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
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* LIMITED REMEDY.
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*
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* 4.3. Licensee shall not export, either directly or indirectly, any of this
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* software or system incorporating such software without first obtaining any
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* required license or other approval from the U. S. Department of Commerce or
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* any other agency or department of the United States Government. In the
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* event Licensee exports any such software from the United States or
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* re-exports any such software from a foreign destination, Licensee shall
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* ensure that the distribution and export/re-export of the software is in
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* compliance with all laws, regulations, orders, or other restrictions of the
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* U.S. Export Administration Regulations. Licensee agrees that neither it nor
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* any of its subsidiaries will export/re-export any technical data, process,
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* software, or service, directly or indirectly, to any country for which the
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* United States government or any agency thereof requires an export license,
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* other governmental approval, or letter of assurance, without first obtaining
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* such license, approval or letter.
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*
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*****************************************************************************/
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#include "acpi.h"
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#include "accommon.h"
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#include "acparser.h"
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#include "amlcode.h"
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#include "acdisasm.h"
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#include "acdispat.h"
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#include "acnamesp.h"
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#include "acapps.h"
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#define _COMPONENT ACPI_TOOLS
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ACPI_MODULE_NAME ("adwalk")
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/*
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* aslmap - opcode mappings and reserved method names
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*/
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ACPI_OBJECT_TYPE
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AslMapNamedOpcodeToDataType (
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UINT16 Opcode);
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/* Local prototypes */
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static ACPI_STATUS
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AcpiDmFindOrphanDescending (
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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 ACPI_STATUS
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AcpiDmDumpDescending (
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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 ACPI_STATUS
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AcpiDmXrefDescendingOp (
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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 ACPI_STATUS
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AcpiDmCommonAscendingOp (
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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 ACPI_STATUS
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AcpiDmLoadDescendingOp (
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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 UINT32
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AcpiDmInspectPossibleArgs (
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UINT32 CurrentOpArgCount,
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UINT32 TargetCount,
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ACPI_PARSE_OBJECT *Op);
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static ACPI_STATUS
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AcpiDmResourceDescendingOp (
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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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*
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* FUNCTION: AcpiDmDumpTree
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*
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* PARAMETERS: Origin - Starting object
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*
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* RETURN: None
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*
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* DESCRIPTION: Parse tree walk to format and output the nodes
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*
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******************************************************************************/
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void
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AcpiDmDumpTree (
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ACPI_PARSE_OBJECT *Origin)
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{
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ACPI_OP_WALK_INFO Info;
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if (!Origin)
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{
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return;
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}
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AcpiOsPrintf ("/*\nAML Parse Tree\n\n");
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Info.Flags = 0;
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Info.Count = 0;
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Info.Level = 0;
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Info.WalkState = NULL;
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AcpiDmWalkParseTree (Origin, AcpiDmDumpDescending, NULL, &Info);
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AcpiOsPrintf ("*/\n\n");
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}
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/*******************************************************************************
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*
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* FUNCTION: AcpiDmFindOrphanMethods
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*
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* PARAMETERS: Origin - Starting object
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*
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* RETURN: None
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*
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* DESCRIPTION: Parse tree walk to find "orphaned" method invocations -- methods
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* that are not resolved in the namespace
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*
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******************************************************************************/
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void
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AcpiDmFindOrphanMethods (
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ACPI_PARSE_OBJECT *Origin)
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{
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ACPI_OP_WALK_INFO Info;
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if (!Origin)
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{
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return;
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}
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Info.Flags = 0;
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Info.Level = 0;
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Info.WalkState = NULL;
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AcpiDmWalkParseTree (Origin, AcpiDmFindOrphanDescending, NULL, &Info);
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}
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/*******************************************************************************
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*
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* FUNCTION: AcpiDmFinishNamespaceLoad
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*
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* PARAMETERS: ParseTreeRoot - Root of the parse tree
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* NamespaceRoot - Root of the internal namespace
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* OwnerId - OwnerId of the table to be disassembled
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*
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* RETURN: None
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*
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* DESCRIPTION: Load all namespace items that are created within control
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* methods. Used before namespace cross reference
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*
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******************************************************************************/
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void
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AcpiDmFinishNamespaceLoad (
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ACPI_PARSE_OBJECT *ParseTreeRoot,
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ACPI_NAMESPACE_NODE *NamespaceRoot,
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ACPI_OWNER_ID OwnerId)
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{
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ACPI_STATUS Status;
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ACPI_OP_WALK_INFO Info;
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ACPI_WALK_STATE *WalkState;
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if (!ParseTreeRoot)
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{
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return;
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}
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/* Create and initialize a new walk state */
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WalkState = AcpiDsCreateWalkState (OwnerId, ParseTreeRoot, NULL, NULL);
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if (!WalkState)
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{
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return;
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}
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Status = AcpiDsScopeStackPush (NamespaceRoot, NamespaceRoot->Type, WalkState);
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if (ACPI_FAILURE (Status))
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{
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return;
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}
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Info.Flags = 0;
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Info.Level = 0;
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Info.WalkState = WalkState;
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AcpiDmWalkParseTree (ParseTreeRoot, AcpiDmLoadDescendingOp,
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AcpiDmCommonAscendingOp, &Info);
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ACPI_FREE (WalkState);
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}
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/*******************************************************************************
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*
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* FUNCTION: AcpiDmCrossReferenceNamespace
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*
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* PARAMETERS: ParseTreeRoot - Root of the parse tree
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* NamespaceRoot - Root of the internal namespace
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* OwnerId - OwnerId of the table to be disassembled
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*
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* RETURN: None
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*
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* DESCRIPTION: Cross reference the namespace to create externals
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*
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******************************************************************************/
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void
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AcpiDmCrossReferenceNamespace (
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ACPI_PARSE_OBJECT *ParseTreeRoot,
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ACPI_NAMESPACE_NODE *NamespaceRoot,
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ACPI_OWNER_ID OwnerId)
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{
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ACPI_STATUS Status;
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ACPI_OP_WALK_INFO Info;
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ACPI_WALK_STATE *WalkState;
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|
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if (!ParseTreeRoot)
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{
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return;
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}
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/* Create and initialize a new walk state */
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WalkState = AcpiDsCreateWalkState (OwnerId, ParseTreeRoot, NULL, NULL);
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if (!WalkState)
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{
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return;
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}
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Status = AcpiDsScopeStackPush (NamespaceRoot, NamespaceRoot->Type, WalkState);
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if (ACPI_FAILURE (Status))
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{
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return;
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}
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Info.Flags = 0;
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Info.Level = 0;
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Info.WalkState = WalkState;
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AcpiDmWalkParseTree (ParseTreeRoot, AcpiDmXrefDescendingOp,
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AcpiDmCommonAscendingOp, &Info);
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ACPI_FREE (WalkState);
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}
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/*******************************************************************************
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*
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* FUNCTION: AcpiDmConvertResourceIndexes
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*
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* PARAMETERS: ParseTreeRoot - Root of the parse tree
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* NamespaceRoot - Root of the internal namespace
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*
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* RETURN: None
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*
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* DESCRIPTION: Convert fixed-offset references to resource descriptors to
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* symbolic references. Should only be called after namespace has
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* been cross referenced.
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*
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******************************************************************************/
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void
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AcpiDmConvertResourceIndexes (
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ACPI_PARSE_OBJECT *ParseTreeRoot,
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ACPI_NAMESPACE_NODE *NamespaceRoot)
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{
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ACPI_STATUS Status;
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ACPI_OP_WALK_INFO Info;
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ACPI_WALK_STATE *WalkState;
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|
|
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if (!ParseTreeRoot)
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{
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return;
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}
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/* Create and initialize a new walk state */
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WalkState = AcpiDsCreateWalkState (0, ParseTreeRoot, NULL, NULL);
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if (!WalkState)
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{
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return;
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}
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Status = AcpiDsScopeStackPush (NamespaceRoot, NamespaceRoot->Type, WalkState);
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if (ACPI_FAILURE (Status))
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{
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return;
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}
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Info.Flags = 0;
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Info.Level = 0;
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Info.WalkState = WalkState;
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AcpiDmWalkParseTree (ParseTreeRoot, AcpiDmResourceDescendingOp,
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AcpiDmCommonAscendingOp, &Info);
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ACPI_FREE (WalkState);
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return;
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}
|
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|
|
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/*******************************************************************************
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*
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* FUNCTION: AcpiDmDumpDescending
|
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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: Format and print contents of one parse Op.
|
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*
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******************************************************************************/
|
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static ACPI_STATUS
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AcpiDmDumpDescending (
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ACPI_PARSE_OBJECT *Op,
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UINT32 Level,
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void *Context)
|
|
{
|
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ACPI_OP_WALK_INFO *Info = Context;
|
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char *Path;
|
|
|
|
|
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if (!Op)
|
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{
|
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return (AE_OK);
|
|
}
|
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|
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/* Most of the information (count, level, name) here */
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|
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Info->Count++;
|
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AcpiOsPrintf ("% 5d [%2.2d] ", Info->Count, Level);
|
|
AcpiDmIndent (Level);
|
|
AcpiOsPrintf ("%-28s", AcpiPsGetOpcodeName (Op->Common.AmlOpcode));
|
|
|
|
/* Extra info is helpful */
|
|
|
|
switch (Op->Common.AmlOpcode)
|
|
{
|
|
case AML_BYTE_OP:
|
|
case AML_WORD_OP:
|
|
case AML_DWORD_OP:
|
|
AcpiOsPrintf ("%X", (UINT32) Op->Common.Value.Integer);
|
|
break;
|
|
|
|
case AML_INT_NAMEPATH_OP:
|
|
if (Op->Common.Value.String)
|
|
{
|
|
AcpiNsExternalizeName (ACPI_UINT32_MAX, Op->Common.Value.String,
|
|
NULL, &Path);
|
|
AcpiOsPrintf ("%s %p", Path, Op->Common.Node);
|
|
ACPI_FREE (Path);
|
|
}
|
|
else
|
|
{
|
|
AcpiOsPrintf ("[NULL]");
|
|
}
|
|
break;
|
|
|
|
case AML_NAME_OP:
|
|
case AML_METHOD_OP:
|
|
case AML_DEVICE_OP:
|
|
case AML_INT_NAMEDFIELD_OP:
|
|
AcpiOsPrintf ("%4.4s", ACPI_CAST_PTR (char, &Op->Named.Name));
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
|
|
AcpiOsPrintf ("\n");
|
|
return (AE_OK);
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: AcpiDmFindOrphanDescending
|
|
*
|
|
* PARAMETERS: ASL_WALK_CALLBACK
|
|
*
|
|
* RETURN: Status
|
|
*
|
|
* DESCRIPTION: Check namepath Ops for orphaned method invocations
|
|
*
|
|
* Note: Experimental.
|
|
*
|
|
******************************************************************************/
|
|
|
|
static ACPI_STATUS
|
|
AcpiDmFindOrphanDescending (
|
|
ACPI_PARSE_OBJECT *Op,
|
|
UINT32 Level,
|
|
void *Context)
|
|
{
|
|
const ACPI_OPCODE_INFO *OpInfo;
|
|
ACPI_PARSE_OBJECT *ChildOp;
|
|
ACPI_PARSE_OBJECT *NextOp;
|
|
ACPI_PARSE_OBJECT *ParentOp;
|
|
UINT32 ArgCount;
|
|
|
|
|
|
if (!Op)
|
|
{
|
|
return (AE_OK);
|
|
}
|
|
|
|
OpInfo = AcpiPsGetOpcodeInfo (Op->Common.AmlOpcode);
|
|
|
|
switch (Op->Common.AmlOpcode)
|
|
{
|
|
#ifdef ACPI_UNDER_DEVELOPMENT
|
|
case AML_ADD_OP:
|
|
ChildOp = Op->Common.Value.Arg;
|
|
if ((ChildOp->Common.AmlOpcode == AML_INT_NAMEPATH_OP) &&
|
|
!ChildOp->Common.Node)
|
|
{
|
|
AcpiNsExternalizeName (ACPI_UINT32_MAX, ChildOp->Common.Value.String,
|
|
NULL, &Path);
|
|
AcpiOsPrintf ("/* %-16s A-NAMEPATH: %s */\n", Op->Common.AmlOpName, Path);
|
|
ACPI_FREE (Path);
|
|
|
|
NextOp = Op->Common.Next;
|
|
if (!NextOp)
|
|
{
|
|
/* This NamePath has no args, assume it is an integer */
|
|
|
|
AcpiDmAddToExternalList (ChildOp, ChildOp->Common.Value.String, ACPI_TYPE_INTEGER, 0);
|
|
return (AE_OK);
|
|
}
|
|
|
|
ArgCount = AcpiDmInspectPossibleArgs (3, 1, NextOp);
|
|
AcpiOsPrintf ("/* A-CHILDREN: %u Actual %u */\n", ArgCount, AcpiDmCountChildren (Op));
|
|
|
|
if (ArgCount < 1)
|
|
{
|
|
/* One Arg means this is just a Store(Name,Target) */
|
|
|
|
AcpiDmAddToExternalList (ChildOp, ChildOp->Common.Value.String, ACPI_TYPE_INTEGER, 0);
|
|
return (AE_OK);
|
|
}
|
|
|
|
AcpiDmAddToExternalList (ChildOp, ChildOp->Common.Value.String, ACPI_TYPE_METHOD, ArgCount);
|
|
}
|
|
break;
|
|
#endif
|
|
|
|
case AML_STORE_OP:
|
|
|
|
ChildOp = Op->Common.Value.Arg;
|
|
if ((ChildOp->Common.AmlOpcode == AML_INT_NAMEPATH_OP) &&
|
|
!ChildOp->Common.Node)
|
|
{
|
|
NextOp = Op->Common.Next;
|
|
if (!NextOp)
|
|
{
|
|
/* This NamePath has no args, assume it is an integer */
|
|
|
|
AcpiDmAddToExternalList (ChildOp, ChildOp->Common.Value.String, ACPI_TYPE_INTEGER, 0);
|
|
return (AE_OK);
|
|
}
|
|
|
|
ArgCount = AcpiDmInspectPossibleArgs (2, 1, NextOp);
|
|
if (ArgCount <= 1)
|
|
{
|
|
/* One Arg means this is just a Store(Name,Target) */
|
|
|
|
AcpiDmAddToExternalList (ChildOp, ChildOp->Common.Value.String, ACPI_TYPE_INTEGER, 0);
|
|
return (AE_OK);
|
|
}
|
|
|
|
AcpiDmAddToExternalList (ChildOp, ChildOp->Common.Value.String, ACPI_TYPE_METHOD, ArgCount);
|
|
}
|
|
break;
|
|
|
|
case AML_INT_NAMEPATH_OP:
|
|
|
|
/* Must examine parent to see if this namepath is an argument */
|
|
|
|
ParentOp = Op->Common.Parent;
|
|
OpInfo = AcpiPsGetOpcodeInfo (ParentOp->Common.AmlOpcode);
|
|
|
|
if ((OpInfo->Class != AML_CLASS_EXECUTE) &&
|
|
(OpInfo->Class != AML_CLASS_CREATE) &&
|
|
(ParentOp->Common.AmlOpcode != AML_INT_METHODCALL_OP) &&
|
|
!Op->Common.Node)
|
|
{
|
|
ArgCount = AcpiDmInspectPossibleArgs (0, 0, Op->Common.Next);
|
|
|
|
/*
|
|
* Check if namepath is a predicate for if/while or lone parameter to
|
|
* a return.
|
|
*/
|
|
if (ArgCount == 0)
|
|
{
|
|
if (((ParentOp->Common.AmlOpcode == AML_IF_OP) ||
|
|
(ParentOp->Common.AmlOpcode == AML_WHILE_OP) ||
|
|
(ParentOp->Common.AmlOpcode == AML_RETURN_OP)) &&
|
|
|
|
/* And namepath is the first argument */
|
|
(ParentOp->Common.Value.Arg == Op))
|
|
{
|
|
AcpiDmAddToExternalList (Op, Op->Common.Value.String, ACPI_TYPE_INTEGER, 0);
|
|
break;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* This is a standalone namestring (not a parameter to another
|
|
* operator) - it *must* be a method invocation, nothing else is
|
|
* grammatically possible.
|
|
*/
|
|
AcpiDmAddToExternalList (Op, Op->Common.Value.String, ACPI_TYPE_METHOD, ArgCount);
|
|
|
|
}
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
|
|
return (AE_OK);
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: AcpiDmLoadDescendingOp
|
|
*
|
|
* PARAMETERS: ASL_WALK_CALLBACK
|
|
*
|
|
* RETURN: Status
|
|
*
|
|
* DESCRIPTION: Descending handler for namespace control method object load
|
|
*
|
|
******************************************************************************/
|
|
|
|
static ACPI_STATUS
|
|
AcpiDmLoadDescendingOp (
|
|
ACPI_PARSE_OBJECT *Op,
|
|
UINT32 Level,
|
|
void *Context)
|
|
{
|
|
ACPI_OP_WALK_INFO *Info = Context;
|
|
const ACPI_OPCODE_INFO *OpInfo;
|
|
ACPI_WALK_STATE *WalkState;
|
|
ACPI_OBJECT_TYPE ObjectType;
|
|
ACPI_STATUS Status;
|
|
char *Path = NULL;
|
|
ACPI_PARSE_OBJECT *NextOp;
|
|
ACPI_NAMESPACE_NODE *Node;
|
|
char FieldPath[5];
|
|
BOOLEAN PreDefined = FALSE;
|
|
UINT8 PreDefineIndex = 0;
|
|
|
|
|
|
WalkState = Info->WalkState;
|
|
OpInfo = AcpiPsGetOpcodeInfo (Op->Common.AmlOpcode);
|
|
ObjectType = OpInfo->ObjectType;
|
|
ObjectType = AslMapNamedOpcodeToDataType (Op->Asl.AmlOpcode);
|
|
|
|
/* Only interested in operators that create new names */
|
|
|
|
if (!(OpInfo->Flags & AML_NAMED) &&
|
|
!(OpInfo->Flags & AML_CREATE))
|
|
{
|
|
goto Exit;
|
|
}
|
|
|
|
/* Get the NamePath from the appropriate place */
|
|
|
|
if (OpInfo->Flags & AML_NAMED)
|
|
{
|
|
/* For all named operators, get the new name */
|
|
|
|
Path = (char *) Op->Named.Path;
|
|
|
|
if (!Path && Op->Common.AmlOpcode == AML_INT_NAMEDFIELD_OP)
|
|
{
|
|
*ACPI_CAST_PTR (UINT32, &FieldPath[0]) = Op->Named.Name;
|
|
FieldPath[4] = 0;
|
|
Path = FieldPath;
|
|
}
|
|
}
|
|
else if (OpInfo->Flags & AML_CREATE)
|
|
{
|
|
/* New name is the last child */
|
|
|
|
NextOp = Op->Common.Value.Arg;
|
|
|
|
while (NextOp->Common.Next)
|
|
{
|
|
NextOp = NextOp->Common.Next;
|
|
}
|
|
Path = NextOp->Common.Value.String;
|
|
}
|
|
|
|
if (!Path)
|
|
{
|
|
goto Exit;
|
|
}
|
|
|
|
/* Insert the name into the namespace */
|
|
|
|
Status = AcpiNsLookup (WalkState->ScopeInfo, Path, ObjectType,
|
|
ACPI_IMODE_LOAD_PASS2, ACPI_NS_DONT_OPEN_SCOPE,
|
|
WalkState, &Node);
|
|
|
|
Op->Common.Node = Node;
|
|
|
|
if (ACPI_SUCCESS (Status))
|
|
{
|
|
/* Check if it's a predefined node */
|
|
|
|
while (AcpiGbl_PreDefinedNames[PreDefineIndex].Name)
|
|
{
|
|
if (!ACPI_STRNCMP (Node->Name.Ascii,
|
|
AcpiGbl_PreDefinedNames[PreDefineIndex].Name, 4))
|
|
{
|
|
PreDefined = TRUE;
|
|
break;
|
|
}
|
|
|
|
PreDefineIndex++;
|
|
}
|
|
|
|
/*
|
|
* Set node owner id if it satisfies all the following conditions:
|
|
* 1) Not a predefined node, _SB_ etc
|
|
* 2) Not the root node
|
|
* 3) Not a node created by Scope
|
|
*/
|
|
|
|
if (!PreDefined && Node != AcpiGbl_RootNode &&
|
|
Op->Common.AmlOpcode != AML_SCOPE_OP)
|
|
{
|
|
Node->OwnerId = WalkState->OwnerId;
|
|
}
|
|
}
|
|
|
|
|
|
Exit:
|
|
|
|
if (AcpiNsOpensScope (ObjectType))
|
|
{
|
|
if (Op->Common.Node)
|
|
{
|
|
Status = AcpiDsScopeStackPush (Op->Common.Node, ObjectType, WalkState);
|
|
if (ACPI_FAILURE (Status))
|
|
{
|
|
return (Status);
|
|
}
|
|
}
|
|
}
|
|
|
|
return (AE_OK);
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: AcpiDmXrefDescendingOp
|
|
*
|
|
* PARAMETERS: ASL_WALK_CALLBACK
|
|
*
|
|
* RETURN: Status
|
|
*
|
|
* DESCRIPTION: Descending handler for namespace cross reference
|
|
*
|
|
******************************************************************************/
|
|
|
|
static ACPI_STATUS
|
|
AcpiDmXrefDescendingOp (
|
|
ACPI_PARSE_OBJECT *Op,
|
|
UINT32 Level,
|
|
void *Context)
|
|
{
|
|
ACPI_OP_WALK_INFO *Info = Context;
|
|
const ACPI_OPCODE_INFO *OpInfo;
|
|
ACPI_WALK_STATE *WalkState;
|
|
ACPI_OBJECT_TYPE ObjectType;
|
|
ACPI_OBJECT_TYPE ObjectType2;
|
|
ACPI_STATUS Status;
|
|
char *Path = NULL;
|
|
ACPI_PARSE_OBJECT *NextOp;
|
|
ACPI_NAMESPACE_NODE *Node;
|
|
ACPI_OPERAND_OBJECT *Object;
|
|
UINT32 ParamCount = 0;
|
|
|
|
|
|
WalkState = Info->WalkState;
|
|
OpInfo = AcpiPsGetOpcodeInfo (Op->Common.AmlOpcode);
|
|
ObjectType = OpInfo->ObjectType;
|
|
ObjectType = AslMapNamedOpcodeToDataType (Op->Asl.AmlOpcode);
|
|
|
|
if ((!(OpInfo->Flags & AML_NAMED)) &&
|
|
(!(OpInfo->Flags & AML_CREATE)) &&
|
|
(Op->Common.AmlOpcode != AML_INT_NAMEPATH_OP))
|
|
{
|
|
goto Exit;
|
|
}
|
|
|
|
/* Get the NamePath from the appropriate place */
|
|
|
|
if (OpInfo->Flags & AML_NAMED)
|
|
{
|
|
if ((Op->Common.AmlOpcode == AML_ALIAS_OP) ||
|
|
(Op->Common.AmlOpcode == AML_SCOPE_OP))
|
|
{
|
|
/*
|
|
* Only these two operators refer to an existing name,
|
|
* first argument
|
|
*/
|
|
Path = (char *) Op->Named.Path;
|
|
}
|
|
}
|
|
else if (OpInfo->Flags & AML_CREATE)
|
|
{
|
|
/* Referenced Buffer Name is the first child */
|
|
|
|
NextOp = Op->Common.Value.Arg;
|
|
if (NextOp->Common.AmlOpcode == AML_INT_NAMEPATH_OP)
|
|
{
|
|
Path = NextOp->Common.Value.String;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
Path = Op->Common.Value.String;
|
|
}
|
|
|
|
if (!Path)
|
|
{
|
|
goto Exit;
|
|
}
|
|
|
|
/*
|
|
* Lookup the name in the namespace. Name must exist at this point, or it
|
|
* is an invalid reference.
|
|
*
|
|
* The namespace is also used as a lookup table for references to resource
|
|
* descriptors and the fields within them.
|
|
*/
|
|
Status = AcpiNsLookup (WalkState->ScopeInfo, Path, ACPI_TYPE_ANY,
|
|
ACPI_IMODE_EXECUTE, ACPI_NS_SEARCH_PARENT | ACPI_NS_DONT_OPEN_SCOPE,
|
|
WalkState, &Node);
|
|
if (ACPI_FAILURE (Status))
|
|
{
|
|
if (Status == AE_NOT_FOUND)
|
|
{
|
|
AcpiDmAddToExternalList (Op, Path, (UINT8) ObjectType, 0);
|
|
|
|
/*
|
|
* We could install this into the namespace, but we catch duplicate
|
|
* externals when they are added to the list.
|
|
*/
|
|
#if 0
|
|
Status = AcpiNsLookup (WalkState->ScopeInfo, Path, ACPI_TYPE_ANY,
|
|
ACPI_IMODE_LOAD_PASS1, ACPI_NS_DONT_OPEN_SCOPE,
|
|
WalkState, &Node);
|
|
#endif
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Found the node in external table, add it to external list
|
|
* Node->OwnerId == 0 indicates built-in ACPI Names, _OS_ etc
|
|
*/
|
|
else if (Node->OwnerId && WalkState->OwnerId != Node->OwnerId)
|
|
{
|
|
ObjectType2 = ObjectType;
|
|
|
|
Object = AcpiNsGetAttachedObject (Node);
|
|
if (Object)
|
|
{
|
|
ObjectType2 = Object->Common.Type;
|
|
if (ObjectType2 == ACPI_TYPE_METHOD)
|
|
{
|
|
ParamCount = Object->Method.ParamCount;
|
|
}
|
|
}
|
|
|
|
AcpiDmAddToExternalList (Op, Path, (UINT8) ObjectType2, ParamCount);
|
|
Op->Common.Node = Node;
|
|
}
|
|
else
|
|
{
|
|
Op->Common.Node = Node;
|
|
}
|
|
|
|
|
|
Exit:
|
|
/* Open new scope if necessary */
|
|
|
|
if (AcpiNsOpensScope (ObjectType))
|
|
{
|
|
if (Op->Common.Node)
|
|
{
|
|
Status = AcpiDsScopeStackPush (Op->Common.Node, ObjectType, WalkState);
|
|
if (ACPI_FAILURE (Status))
|
|
{
|
|
return (Status);
|
|
}
|
|
}
|
|
}
|
|
|
|
return (AE_OK);
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: AcpiDmResourceDescendingOp
|
|
*
|
|
* PARAMETERS: ASL_WALK_CALLBACK
|
|
*
|
|
* RETURN: None
|
|
*
|
|
* DESCRIPTION: Process one parse op during symbolic resource index conversion.
|
|
*
|
|
******************************************************************************/
|
|
|
|
static ACPI_STATUS
|
|
AcpiDmResourceDescendingOp (
|
|
ACPI_PARSE_OBJECT *Op,
|
|
UINT32 Level,
|
|
void *Context)
|
|
{
|
|
ACPI_OP_WALK_INFO *Info = Context;
|
|
const ACPI_OPCODE_INFO *OpInfo;
|
|
ACPI_WALK_STATE *WalkState;
|
|
ACPI_OBJECT_TYPE ObjectType;
|
|
ACPI_STATUS Status;
|
|
|
|
|
|
WalkState = Info->WalkState;
|
|
OpInfo = AcpiPsGetOpcodeInfo (Op->Common.AmlOpcode);
|
|
|
|
/* Open new scope if necessary */
|
|
|
|
ObjectType = OpInfo->ObjectType;
|
|
if (AcpiNsOpensScope (ObjectType))
|
|
{
|
|
if (Op->Common.Node)
|
|
{
|
|
|
|
Status = AcpiDsScopeStackPush (Op->Common.Node, ObjectType, WalkState);
|
|
if (ACPI_FAILURE (Status))
|
|
{
|
|
return (Status);
|
|
}
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Check if this operator contains a reference to a resource descriptor.
|
|
* If so, convert the reference into a symbolic reference.
|
|
*/
|
|
AcpiDmCheckResourceReference (Op, WalkState);
|
|
return (AE_OK);
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: AcpiDmCommonAscendingOp
|
|
*
|
|
* PARAMETERS: ASL_WALK_CALLBACK
|
|
*
|
|
* RETURN: None
|
|
*
|
|
* DESCRIPTION: Ascending handler for combined parse/namespace walks. Closes
|
|
* scope if necessary.
|
|
*
|
|
******************************************************************************/
|
|
|
|
static ACPI_STATUS
|
|
AcpiDmCommonAscendingOp (
|
|
ACPI_PARSE_OBJECT *Op,
|
|
UINT32 Level,
|
|
void *Context)
|
|
{
|
|
ACPI_OP_WALK_INFO *Info = Context;
|
|
const ACPI_OPCODE_INFO *OpInfo;
|
|
ACPI_OBJECT_TYPE ObjectType;
|
|
|
|
|
|
/* Close scope if necessary */
|
|
|
|
OpInfo = AcpiPsGetOpcodeInfo (Op->Common.AmlOpcode);
|
|
ObjectType = OpInfo->ObjectType;
|
|
ObjectType = AslMapNamedOpcodeToDataType (Op->Asl.AmlOpcode);
|
|
|
|
if (AcpiNsOpensScope (ObjectType))
|
|
{
|
|
(void) AcpiDsScopeStackPop (Info->WalkState);
|
|
}
|
|
|
|
return (AE_OK);
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: AcpiDmInspectPossibleArgs
|
|
*
|
|
* PARAMETERS: CurrentOpArgCount - Which arg of the current op was the
|
|
* possible method invocation found
|
|
* TargetCount - Number of targets (0,1,2) for this op
|
|
* Op - Parse op
|
|
*
|
|
* RETURN: Status
|
|
*
|
|
* DESCRIPTION: Examine following args and next ops for possible arguments
|
|
* for an unrecognized method invocation.
|
|
*
|
|
******************************************************************************/
|
|
|
|
static UINT32
|
|
AcpiDmInspectPossibleArgs (
|
|
UINT32 CurrentOpArgCount,
|
|
UINT32 TargetCount,
|
|
ACPI_PARSE_OBJECT *Op)
|
|
{
|
|
const ACPI_OPCODE_INFO *OpInfo;
|
|
UINT32 i;
|
|
UINT32 Last = 0;
|
|
UINT32 Lookahead;
|
|
|
|
|
|
Lookahead = (ACPI_METHOD_NUM_ARGS + TargetCount) - CurrentOpArgCount;
|
|
|
|
/* Lookahead for the maximum number of possible arguments */
|
|
|
|
for (i = 0; i < Lookahead; i++)
|
|
{
|
|
if (!Op)
|
|
{
|
|
break;
|
|
}
|
|
|
|
OpInfo = AcpiPsGetOpcodeInfo (Op->Common.AmlOpcode);
|
|
|
|
/*
|
|
* Any one of these operators is "very probably" not a method arg
|
|
*/
|
|
if ((Op->Common.AmlOpcode == AML_STORE_OP) ||
|
|
(Op->Common.AmlOpcode == AML_NOTIFY_OP))
|
|
{
|
|
break;
|
|
}
|
|
|
|
if ((OpInfo->Class != AML_CLASS_EXECUTE) &&
|
|
(OpInfo->Class != AML_CLASS_CONTROL))
|
|
{
|
|
Last = i+1;
|
|
}
|
|
|
|
Op = Op->Common.Next;
|
|
}
|
|
|
|
return (Last);
|
|
}
|
|
|
|
|