835 lines
24 KiB
C
835 lines
24 KiB
C
/******************************************************************************
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*
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* Module Name: dswexec - Dispatcher method execution callbacks;
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* dispatch to interpreter.
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* $Revision: 71 $
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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, 2000, 2001, 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
|
|
* contain a file documenting the changes Licensee made to create that Covered
|
|
* Code and the date of any change. Licensee must include in that file the
|
|
* documentation of any changes made by any predecessor Licensee. Licensee
|
|
* must include a prominent statement that the modification is derived,
|
|
* 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
|
|
* documentation and/or other materials provided with distribution. In
|
|
* addition, Licensee may not authorize further sublicense of source of any
|
|
* portion of the Covered Code, and must include terms to the effect that the
|
|
* license from Licensee to its licensee is limited to the intellectual
|
|
* 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
|
|
* 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
|
|
* 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
|
|
* 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
|
|
* 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,
|
|
* software, or service, directly or indirectly, to any country for which the
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* United States government or any agency thereof requires an export license,
|
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* other governmental approval, or letter of assurance, without first obtaining
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* such license, approval or letter.
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*
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*****************************************************************************/
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#define __DSWEXEC_C__
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#include "acpi.h"
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#include "acparser.h"
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#include "amlcode.h"
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#include "acdispat.h"
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#include "acinterp.h"
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#include "acnamesp.h"
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#include "acdebug.h"
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#define _COMPONENT ACPI_DISPATCHER
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MODULE_NAME ("dswexec")
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/*****************************************************************************
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*
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* FUNCTION: AcpiDsGetPredicateValue
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*
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* PARAMETERS: WalkState - Current state of the parse tree walk
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*
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* RETURN: Status
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*
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* DESCRIPTION: Get the result of a predicate evaluation
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*
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****************************************************************************/
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ACPI_STATUS
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AcpiDsGetPredicateValue (
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ACPI_WALK_STATE *WalkState,
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UINT32 HasResultObj)
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{
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ACPI_STATUS Status = AE_OK;
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ACPI_OPERAND_OBJECT *ObjDesc;
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FUNCTION_TRACE_PTR ("DsGetPredicateValue", WalkState);
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WalkState->ControlState->Common.State = 0;
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if (HasResultObj)
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{
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Status = AcpiDsResultPop (&ObjDesc, WalkState);
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if (ACPI_FAILURE (Status))
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{
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ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
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"Could not get result from predicate evaluation, %s\n",
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AcpiFormatException (Status)));
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return_ACPI_STATUS (Status);
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}
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}
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else
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{
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Status = AcpiDsCreateOperand (WalkState, WalkState->Op, 0);
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if (ACPI_FAILURE (Status))
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{
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return_ACPI_STATUS (Status);
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}
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Status = AcpiExResolveToValue (&WalkState->Operands [0], WalkState);
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if (ACPI_FAILURE (Status))
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{
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return_ACPI_STATUS (Status);
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}
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ObjDesc = WalkState->Operands [0];
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}
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if (!ObjDesc)
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{
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ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "No predicate ObjDesc=%X State=%X\n",
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ObjDesc, WalkState));
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return_ACPI_STATUS (AE_AML_NO_OPERAND);
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}
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/*
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* Result of predicate evaluation currently must
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* be a number
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*/
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if (ObjDesc->Common.Type != ACPI_TYPE_INTEGER)
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{
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ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
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"Bad predicate (not a number) ObjDesc=%X State=%X Type=%X\n",
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ObjDesc, WalkState, ObjDesc->Common.Type));
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Status = AE_AML_OPERAND_TYPE;
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goto Cleanup;
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}
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|
|
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/* Truncate the predicate to 32-bits if necessary */
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AcpiExTruncateFor32bitTable (ObjDesc, WalkState);
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/*
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* Save the result of the predicate evaluation on
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* the control stack
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*/
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if (ObjDesc->Integer.Value)
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{
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WalkState->ControlState->Common.Value = TRUE;
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}
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else
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{
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/*
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* Predicate is FALSE, we will just toss the
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* rest of the package
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*/
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WalkState->ControlState->Common.Value = FALSE;
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Status = AE_CTRL_FALSE;
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}
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|
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Cleanup:
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ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Completed a predicate eval=%X Op=%X\n",
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WalkState->ControlState->Common.Value, WalkState->Op));
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|
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/* Break to debugger to display result */
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DEBUGGER_EXEC (AcpiDbDisplayResultObject (ObjDesc, WalkState));
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/*
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* Delete the predicate result object (we know that
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* we don't need it anymore)
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*/
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AcpiUtRemoveReference (ObjDesc);
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WalkState->ControlState->Common.State = CONTROL_NORMAL;
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return_ACPI_STATUS (Status);
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}
|
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|
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/*****************************************************************************
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*
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* FUNCTION: AcpiDsExecBeginOp
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*
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* PARAMETERS: WalkState - Current state of the parse tree walk
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* OutOp - Return op if a new one is created
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*
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* RETURN: Status
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*
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* DESCRIPTION: Descending callback used during the execution of control
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* methods. This is where most operators and operands are
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* dispatched to the interpreter.
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*
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****************************************************************************/
|
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ACPI_STATUS
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AcpiDsExecBeginOp (
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ACPI_WALK_STATE *WalkState,
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ACPI_PARSE_OBJECT **OutOp)
|
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{
|
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ACPI_PARSE_OBJECT *Op;
|
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ACPI_STATUS Status = AE_OK;
|
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UINT8 OpcodeClass;
|
|
|
|
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FUNCTION_TRACE_PTR ("DsExecBeginOp", WalkState);
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|
|
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Op = WalkState->Op;
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if (!Op)
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{
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Status = AcpiDsLoad2BeginOp (WalkState, OutOp);
|
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if (ACPI_FAILURE (Status))
|
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{
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return_ACPI_STATUS (Status);
|
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}
|
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|
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Op = *OutOp;
|
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WalkState->Op = Op;
|
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WalkState->OpInfo = AcpiPsGetOpcodeInfo (Op->Opcode);
|
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WalkState->Opcode = Op->Opcode;
|
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}
|
|
|
|
if (Op == WalkState->Origin)
|
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{
|
|
if (OutOp)
|
|
{
|
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*OutOp = Op;
|
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}
|
|
|
|
return_ACPI_STATUS (AE_OK);
|
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}
|
|
|
|
/*
|
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* If the previous opcode was a conditional, this opcode
|
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* must be the beginning of the associated predicate.
|
|
* Save this knowledge in the current scope descriptor
|
|
*/
|
|
if ((WalkState->ControlState) &&
|
|
(WalkState->ControlState->Common.State ==
|
|
CONTROL_CONDITIONAL_EXECUTING))
|
|
{
|
|
ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Exec predicate Op=%X State=%X\n",
|
|
Op, WalkState));
|
|
|
|
WalkState->ControlState->Common.State = CONTROL_PREDICATE_EXECUTING;
|
|
|
|
/* Save start of predicate */
|
|
|
|
WalkState->ControlState->Control.PredicateOp = Op;
|
|
}
|
|
|
|
|
|
OpcodeClass = (UINT8) ACPI_GET_OP_CLASS (WalkState->OpInfo);
|
|
|
|
/* We want to send namepaths to the load code */
|
|
|
|
if (Op->Opcode == AML_INT_NAMEPATH_OP)
|
|
{
|
|
OpcodeClass = OPTYPE_NAMED_OBJECT;
|
|
}
|
|
|
|
/*
|
|
* Handle the opcode based upon the opcode type
|
|
*/
|
|
switch (OpcodeClass)
|
|
{
|
|
case OPTYPE_CONTROL:
|
|
|
|
Status = AcpiDsResultStackPush (WalkState);
|
|
if (ACPI_FAILURE (Status))
|
|
{
|
|
return_ACPI_STATUS (Status);
|
|
}
|
|
|
|
Status = AcpiDsExecBeginControlOp (WalkState, Op);
|
|
break;
|
|
|
|
|
|
case OPTYPE_NAMED_OBJECT:
|
|
|
|
if (WalkState->WalkType == WALK_METHOD)
|
|
{
|
|
/*
|
|
* Found a named object declaration during method
|
|
* execution; we must enter this object into the
|
|
* namespace. The created object is temporary and
|
|
* will be deleted upon completion of the execution
|
|
* of this method.
|
|
*/
|
|
Status = AcpiDsLoad2BeginOp (WalkState, NULL);
|
|
}
|
|
|
|
|
|
if (Op->Opcode == AML_REGION_OP)
|
|
{
|
|
Status = AcpiDsResultStackPush (WalkState);
|
|
}
|
|
|
|
break;
|
|
|
|
|
|
/* most operators with arguments */
|
|
|
|
case OPTYPE_MONADIC1:
|
|
case OPTYPE_DYADIC1:
|
|
case OPTYPE_MONADIC2:
|
|
case OPTYPE_MONADIC2R:
|
|
case OPTYPE_DYADIC2:
|
|
case OPTYPE_DYADIC2R:
|
|
case OPTYPE_DYADIC2S:
|
|
case OPTYPE_RECONFIGURATION:
|
|
case OPTYPE_TRIADIC:
|
|
case OPTYPE_QUADRADIC:
|
|
case OPTYPE_HEXADIC:
|
|
case OPTYPE_CREATE_FIELD:
|
|
|
|
/* Start a new result/operand state */
|
|
|
|
Status = AcpiDsResultStackPush (WalkState);
|
|
break;
|
|
|
|
|
|
default:
|
|
break;
|
|
}
|
|
|
|
/* Nothing to do here during method execution */
|
|
|
|
return_ACPI_STATUS (Status);
|
|
}
|
|
|
|
|
|
/*****************************************************************************
|
|
*
|
|
* FUNCTION: AcpiDsExecEndOp
|
|
*
|
|
* PARAMETERS: WalkState - Current state of the parse tree walk
|
|
* Op - Op that has been just been completed in the
|
|
* walk; Arguments have now been evaluated.
|
|
*
|
|
* RETURN: Status
|
|
*
|
|
* DESCRIPTION: Ascending callback used during the execution of control
|
|
* methods. The only thing we really need to do here is to
|
|
* notice the beginning of IF, ELSE, and WHILE blocks.
|
|
*
|
|
****************************************************************************/
|
|
|
|
ACPI_STATUS
|
|
AcpiDsExecEndOp (
|
|
ACPI_WALK_STATE *WalkState)
|
|
{
|
|
ACPI_PARSE_OBJECT *Op;
|
|
ACPI_STATUS Status = AE_OK;
|
|
UINT8 Optype;
|
|
ACPI_PARSE_OBJECT *NextOp;
|
|
ACPI_PARSE_OBJECT *FirstArg;
|
|
UINT32 i;
|
|
|
|
|
|
FUNCTION_TRACE_PTR ("DsExecEndOp", WalkState);
|
|
|
|
|
|
Op = WalkState->Op;
|
|
|
|
|
|
if (ACPI_GET_OP_TYPE (WalkState->OpInfo) != ACPI_OP_TYPE_OPCODE)
|
|
{
|
|
ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Unknown opcode %X\n", Op->Opcode));
|
|
return_ACPI_STATUS (AE_NOT_IMPLEMENTED);
|
|
}
|
|
|
|
Optype = (UINT8) ACPI_GET_OP_CLASS (WalkState->OpInfo);
|
|
FirstArg = Op->Value.Arg;
|
|
|
|
/* Init the walk state */
|
|
|
|
WalkState->NumOperands = 0;
|
|
WalkState->ReturnDesc = NULL;
|
|
WalkState->ResultObj = NULL;
|
|
|
|
|
|
/* Call debugger for single step support (DEBUG build only) */
|
|
|
|
DEBUGGER_EXEC (Status = AcpiDbSingleStep (WalkState, Op, Optype));
|
|
DEBUGGER_EXEC (if (ACPI_FAILURE (Status)) {return_ACPI_STATUS (Status);});
|
|
|
|
|
|
/* Decode the opcode */
|
|
|
|
switch (Optype)
|
|
{
|
|
case OPTYPE_UNDEFINED:
|
|
|
|
ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Undefined opcode type Op=%X\n", Op));
|
|
return_ACPI_STATUS (AE_NOT_IMPLEMENTED);
|
|
break;
|
|
|
|
|
|
case OPTYPE_BOGUS:
|
|
ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, "Internal opcode=%X type Op=%X\n",
|
|
WalkState->Opcode, Op));
|
|
break;
|
|
|
|
case OPTYPE_CONSTANT: /* argument type only */
|
|
case OPTYPE_LITERAL: /* argument type only */
|
|
case OPTYPE_DATA_TERM: /* argument type only */
|
|
case OPTYPE_LOCAL_VARIABLE: /* argument type only */
|
|
case OPTYPE_METHOD_ARGUMENT: /* argument type only */
|
|
break;
|
|
|
|
|
|
/* most operators with arguments */
|
|
|
|
case OPTYPE_MONADIC1:
|
|
case OPTYPE_DYADIC1:
|
|
case OPTYPE_MONADIC2:
|
|
case OPTYPE_MONADIC2R:
|
|
case OPTYPE_DYADIC2:
|
|
case OPTYPE_DYADIC2R:
|
|
case OPTYPE_DYADIC2S:
|
|
case OPTYPE_RECONFIGURATION:
|
|
case OPTYPE_TRIADIC:
|
|
case OPTYPE_QUADRADIC:
|
|
case OPTYPE_HEXADIC:
|
|
|
|
|
|
/* Build resolved operand stack */
|
|
|
|
Status = AcpiDsCreateOperands (WalkState, FirstArg);
|
|
if (ACPI_FAILURE (Status))
|
|
{
|
|
goto Cleanup;
|
|
}
|
|
|
|
/* Done with this result state (Now that operand stack is built) */
|
|
|
|
Status = AcpiDsResultStackPop (WalkState);
|
|
if (ACPI_FAILURE (Status))
|
|
{
|
|
goto Cleanup;
|
|
}
|
|
|
|
/* Resolve all operands */
|
|
|
|
Status = AcpiExResolveOperands (WalkState->Opcode,
|
|
&(WalkState->Operands [WalkState->NumOperands -1]),
|
|
WalkState);
|
|
if (ACPI_FAILURE (Status))
|
|
{
|
|
/* TBD: must pop and delete operands */
|
|
|
|
ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "[%s]: Could not resolve operands, %s\n",
|
|
AcpiPsGetOpcodeName (WalkState->Opcode), AcpiFormatException (Status)));
|
|
|
|
/*
|
|
* On error, we must delete all the operands and clear the
|
|
* operand stack
|
|
*/
|
|
for (i = 0; i < WalkState->NumOperands; i++)
|
|
{
|
|
AcpiUtRemoveReference (WalkState->Operands[i]);
|
|
WalkState->Operands[i] = NULL;
|
|
}
|
|
|
|
WalkState->NumOperands = 0;
|
|
goto Cleanup;
|
|
}
|
|
|
|
DUMP_OPERANDS (WALK_OPERANDS, IMODE_EXECUTE, AcpiPsGetOpcodeName (WalkState->Opcode),
|
|
WalkState->NumOperands, "after ExResolveOperands");
|
|
|
|
switch (Optype)
|
|
{
|
|
case OPTYPE_MONADIC1:
|
|
|
|
/* 1 Operand, 0 ExternalResult, 0 InternalResult */
|
|
|
|
Status = AcpiExMonadic1 (WalkState);
|
|
break;
|
|
|
|
|
|
case OPTYPE_MONADIC2:
|
|
|
|
/* 1 Operand, 0 ExternalResult, 1 InternalResult */
|
|
|
|
Status = AcpiExMonadic2 (WalkState);
|
|
break;
|
|
|
|
|
|
case OPTYPE_MONADIC2R:
|
|
|
|
/* 1 Operand, 1 ExternalResult, 1 InternalResult */
|
|
|
|
Status = AcpiExMonadic2R (WalkState);
|
|
break;
|
|
|
|
|
|
case OPTYPE_DYADIC1:
|
|
|
|
/* 2 Operands, 0 ExternalResult, 0 InternalResult */
|
|
|
|
Status = AcpiExDyadic1 (WalkState);
|
|
break;
|
|
|
|
|
|
case OPTYPE_DYADIC2:
|
|
|
|
/* 2 Operands, 0 ExternalResult, 1 InternalResult */
|
|
|
|
Status = AcpiExDyadic2 (WalkState);
|
|
break;
|
|
|
|
|
|
case OPTYPE_DYADIC2R:
|
|
|
|
/* 2 Operands, 1 or 2 ExternalResults, 1 InternalResult */
|
|
|
|
Status = AcpiExDyadic2R (WalkState);
|
|
break;
|
|
|
|
|
|
case OPTYPE_DYADIC2S: /* Synchronization Operator */
|
|
|
|
/* 2 Operands, 0 ExternalResult, 1 InternalResult */
|
|
|
|
Status = AcpiExDyadic2S (WalkState);
|
|
break;
|
|
|
|
|
|
case OPTYPE_TRIADIC: /* WalkState->Opcode with 3 operands */
|
|
|
|
/* 3 Operands, 1 ExternalResult, 1 InternalResult */
|
|
|
|
Status = AcpiExTriadic (WalkState);
|
|
break;
|
|
|
|
|
|
case OPTYPE_QUADRADIC: /* Opcode with 4 operands */
|
|
break;
|
|
|
|
|
|
case OPTYPE_HEXADIC: /* Opcode with 6 operands */
|
|
|
|
/* 6 Operands, 0 ExternalResult, 1 InternalResult */
|
|
|
|
Status = AcpiExHexadic (WalkState);
|
|
break;
|
|
|
|
|
|
case OPTYPE_RECONFIGURATION:
|
|
|
|
/* 1 or 2 operands, 0 Internal Result */
|
|
|
|
Status = AcpiExReconfiguration (WalkState);
|
|
break;
|
|
}
|
|
|
|
/* Clear the operand stack */
|
|
|
|
for (i = 0; i < WalkState->NumOperands; i++)
|
|
{
|
|
WalkState->Operands[i] = NULL;
|
|
}
|
|
WalkState->NumOperands = 0;
|
|
|
|
/*
|
|
* If a result object was returned from above, push it on the
|
|
* current result stack
|
|
*/
|
|
if (ACPI_SUCCESS (Status) &&
|
|
WalkState->ResultObj)
|
|
{
|
|
Status = AcpiDsResultPush (WalkState->ResultObj, WalkState);
|
|
}
|
|
|
|
break;
|
|
|
|
|
|
case OPTYPE_CONTROL: /* Type 1 opcode, IF/ELSE/WHILE/NOOP */
|
|
|
|
/* 1 Operand, 0 ExternalResult, 0 InternalResult */
|
|
|
|
Status = AcpiDsExecEndControlOp (WalkState, Op);
|
|
|
|
AcpiDsResultStackPop (WalkState);
|
|
break;
|
|
|
|
|
|
case OPTYPE_METHOD_CALL:
|
|
|
|
ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, "Method invocation, Op=%X\n", Op));
|
|
|
|
/*
|
|
* (AML_METHODCALL) Op->Value->Arg->Node contains
|
|
* the method Node pointer
|
|
*/
|
|
/* NextOp points to the op that holds the method name */
|
|
|
|
NextOp = FirstArg;
|
|
|
|
/* NextOp points to first argument op */
|
|
|
|
NextOp = NextOp->Next;
|
|
|
|
/*
|
|
* Get the method's arguments and put them on the operand stack
|
|
*/
|
|
Status = AcpiDsCreateOperands (WalkState, NextOp);
|
|
if (ACPI_FAILURE (Status))
|
|
{
|
|
break;
|
|
}
|
|
|
|
/*
|
|
* Since the operands will be passed to another
|
|
* control method, we must resolve all local
|
|
* references here (Local variables, arguments
|
|
* to *this* method, etc.)
|
|
*/
|
|
Status = AcpiDsResolveOperands (WalkState);
|
|
if (ACPI_FAILURE (Status))
|
|
{
|
|
break;
|
|
}
|
|
|
|
/*
|
|
* Tell the walk loop to preempt this running method and
|
|
* execute the new method
|
|
*/
|
|
Status = AE_CTRL_TRANSFER;
|
|
|
|
/*
|
|
* Return now; we don't want to disturb anything,
|
|
* especially the operand count!
|
|
*/
|
|
return_ACPI_STATUS (Status);
|
|
break;
|
|
|
|
|
|
case OPTYPE_CREATE_FIELD:
|
|
|
|
ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
|
|
"Executing CreateField Buffer/Index Op=%X\n", Op));
|
|
|
|
Status = AcpiDsLoad2EndOp (WalkState);
|
|
if (ACPI_FAILURE (Status))
|
|
{
|
|
break;
|
|
}
|
|
|
|
Status = AcpiDsEvalBufferFieldOperands (WalkState, Op);
|
|
break;
|
|
|
|
|
|
case OPTYPE_NAMED_OBJECT:
|
|
|
|
Status = AcpiDsLoad2EndOp (WalkState);
|
|
if (ACPI_FAILURE (Status))
|
|
{
|
|
break;
|
|
}
|
|
|
|
switch (Op->Opcode)
|
|
{
|
|
case AML_REGION_OP:
|
|
|
|
ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
|
|
"Executing OpRegion Address/Length Op=%X\n", Op));
|
|
|
|
Status = AcpiDsEvalRegionOperands (WalkState, Op);
|
|
if (ACPI_FAILURE (Status))
|
|
{
|
|
break;
|
|
}
|
|
|
|
Status = AcpiDsResultStackPop (WalkState);
|
|
break;
|
|
|
|
|
|
case AML_METHOD_OP:
|
|
break;
|
|
|
|
|
|
case AML_ALIAS_OP:
|
|
|
|
/* Alias creation was already handled by call
|
|
to psxload above */
|
|
break;
|
|
|
|
|
|
default:
|
|
/* Nothing needs to be done */
|
|
|
|
Status = AE_OK;
|
|
break;
|
|
}
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
|
|
"Unimplemented opcode, type=%X Opcode=%X Op=%X\n",
|
|
Optype, Op->Opcode, Op));
|
|
|
|
Status = AE_NOT_IMPLEMENTED;
|
|
break;
|
|
}
|
|
|
|
|
|
/*
|
|
* ACPI 2.0 support for 64-bit integers:
|
|
* Truncate numeric result value if we are executing from a 32-bit ACPI table
|
|
*/
|
|
AcpiExTruncateFor32bitTable (WalkState->ResultObj, WalkState);
|
|
|
|
/*
|
|
* Check if we just completed the evaluation of a
|
|
* conditional predicate
|
|
*/
|
|
|
|
if ((WalkState->ControlState) &&
|
|
(WalkState->ControlState->Common.State ==
|
|
CONTROL_PREDICATE_EXECUTING) &&
|
|
(WalkState->ControlState->Control.PredicateOp == Op))
|
|
{
|
|
Status = AcpiDsGetPredicateValue (WalkState, (UINT32) WalkState->ResultObj);
|
|
WalkState->ResultObj = NULL;
|
|
}
|
|
|
|
|
|
Cleanup:
|
|
if (WalkState->ResultObj)
|
|
{
|
|
/* Break to debugger to display result */
|
|
|
|
DEBUGGER_EXEC (AcpiDbDisplayResultObject (WalkState->ResultObj, WalkState));
|
|
|
|
/*
|
|
* Delete the result op if and only if:
|
|
* Parent will not use the result -- such as any
|
|
* non-nested type2 op in a method (parent will be method)
|
|
*/
|
|
AcpiDsDeleteResultIfNotUsed (Op, WalkState->ResultObj, WalkState);
|
|
}
|
|
|
|
/* Always clear the object stack */
|
|
|
|
/* TBD: [Investigate] Clear stack of return value,
|
|
but don't delete it */
|
|
WalkState->NumOperands = 0;
|
|
|
|
return_ACPI_STATUS (Status);
|
|
}
|
|
|
|
|