870 lines
27 KiB
C
870 lines
27 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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*
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*****************************************************************************/
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/******************************************************************************
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*
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* 1. Copyright Notice
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*
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* Some or all of this work - Copyright (c) 1999 - 2011, Intel Corp.
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* All rights reserved.
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*
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* 2. License
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*
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* 2.1. This is your license from Intel Corp. under its intellectual property
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* rights. You may have additional license terms from the party that provided
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* you this software, covering your right to use that party's intellectual
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* property rights.
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*
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* 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
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* copy of the source code appearing in this file ("Covered Code") an
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* irrevocable, perpetual, worldwide license under Intel's copyrights in the
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* base code distributed originally by Intel ("Original Intel Code") to copy,
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* make derivatives, distribute, use and display any portion of the Covered
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* Code in any form, with the right to sublicense such rights; and
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*
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* 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
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* license (with the right to sublicense), under only those claims of Intel
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* patents that are infringed by the Original Intel Code, to make, use, sell,
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* offer to sell, and import the Covered Code and derivative works thereof
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* solely to the minimum extent necessary to exercise the above copyright
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* license, and in no event shall the patent license extend to any additions
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* to or modifications of the Original Intel Code. No other license or right
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* is granted directly or by implication, estoppel or otherwise;
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*
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* The above copyright and patent license is granted only if the following
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* conditions are met:
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*
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* 3. Conditions
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*
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* 3.1. Redistribution of Source with Rights to Further Distribute Source.
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* Redistribution of source code of any substantial portion of the Covered
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* Code or modification with rights to further distribute source must include
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* the above Copyright Notice, the above License, this list of Conditions,
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* and the following Disclaimer and Export Compliance provision. In addition,
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* Licensee must cause all Covered Code to which Licensee contributes to
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* contain a file documenting the changes Licensee made to create that Covered
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* Code and the date of any change. Licensee must include in that file the
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* documentation of any changes made by any predecessor Licensee. Licensee
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* must include a prominent statement that the modification is derived,
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* directly or indirectly, from Original Intel Code.
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*
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* 3.2. Redistribution of Source with no Rights to Further Distribute Source.
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* Redistribution of source code of any substantial portion of the Covered
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* Code or modification without rights to further distribute source must
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* include the following Disclaimer and Export Compliance provision in the
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* documentation and/or other materials provided with distribution. In
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* addition, Licensee may not authorize further sublicense of source of any
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* portion of the Covered Code, and must include terms to the effect that the
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* license from Licensee to its licensee is limited to the intellectual
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* property embodied in the software Licensee provides to its licensee, and
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* not to intellectual property embodied in modifications its licensee may
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* make.
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*
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* 3.3. Redistribution of Executable. Redistribution in executable form of any
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* substantial portion of the Covered Code or modification must reproduce the
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* above Copyright Notice, and the following Disclaimer and Export Compliance
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* provision in the documentation and/or other materials provided with the
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* distribution.
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*
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* 3.4. Intel retains all right, title, and interest in and to the Original
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* Intel Code.
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*
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* 3.5. Neither the name Intel nor any other trademark owned or controlled by
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* Intel shall be used in advertising or otherwise to promote the sale, use or
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* other dealings in products derived from or relating to the Covered Code
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* without prior written authorization from Intel.
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*
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* 4. Disclaimer and Export Compliance
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*
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* 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
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* HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
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* IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE,
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* INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY
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* UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY
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* IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
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* PARTICULAR PURPOSE.
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*
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* 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
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* OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
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* COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
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* SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
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* CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
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* HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS
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* SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
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* LIMITED REMEDY.
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*
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* 4.3. Licensee shall not export, either directly or indirectly, any of this
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* software or system incorporating such software without first obtaining any
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* required license or other approval from the U. S. Department of Commerce or
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* any other agency or department of the United States Government. In the
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* event Licensee exports any such software from the United States or
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* re-exports any such software from a foreign destination, Licensee shall
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* ensure that the distribution and export/re-export of the software is in
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* compliance with all laws, regulations, orders, or other restrictions of the
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* U.S. Export Administration Regulations. Licensee agrees that neither it nor
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* any of its subsidiaries will export/re-export any technical data, process,
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* software, or service, directly or indirectly, to any country for which the
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* United States government or any agency thereof requires an export license,
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* other governmental approval, or letter of assurance, without first obtaining
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* such license, approval or letter.
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*
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*****************************************************************************/
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#define __DSWEXEC_C__
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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 "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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ACPI_MODULE_NAME ("dswexec")
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/*
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* Dispatch table for opcode classes
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*/
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static ACPI_EXECUTE_OP AcpiGbl_OpTypeDispatch [] =
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{
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AcpiExOpcode_0A_0T_1R,
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AcpiExOpcode_1A_0T_0R,
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AcpiExOpcode_1A_0T_1R,
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AcpiExOpcode_1A_1T_0R,
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AcpiExOpcode_1A_1T_1R,
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AcpiExOpcode_2A_0T_0R,
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AcpiExOpcode_2A_0T_1R,
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AcpiExOpcode_2A_1T_1R,
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AcpiExOpcode_2A_2T_1R,
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AcpiExOpcode_3A_0T_0R,
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AcpiExOpcode_3A_1T_1R,
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AcpiExOpcode_6A_0T_1R
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};
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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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* ResultObj - if non-zero, pop result from result stack
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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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ACPI_OPERAND_OBJECT *ResultObj)
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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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ACPI_OPERAND_OBJECT *LocalObjDesc = NULL;
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ACPI_FUNCTION_TRACE_PTR (DsGetPredicateValue, WalkState);
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WalkState->ControlState->Common.State = 0;
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if (ResultObj)
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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_EXCEPTION ((AE_INFO, Status,
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"Could not get result from predicate evaluation"));
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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_ERROR ((AE_INFO,
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"No predicate ObjDesc=%p State=%p",
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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 must be an Integer
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* object. Implicitly convert the argument if necessary.
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*/
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Status = AcpiExConvertToInteger (ObjDesc, &LocalObjDesc, 16);
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if (ACPI_FAILURE (Status))
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{
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goto Cleanup;
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}
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if (LocalObjDesc->Common.Type != ACPI_TYPE_INTEGER)
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{
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ACPI_ERROR ((AE_INFO,
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"Bad predicate (not an integer) ObjDesc=%p State=%p Type=0x%X",
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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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/* Truncate the predicate to 32-bits if necessary */
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AcpiExTruncateFor32bitTable (LocalObjDesc);
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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 (LocalObjDesc->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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/* Predicate can be used for an implicit return value */
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(void) AcpiDsDoImplicitReturn (LocalObjDesc, WalkState, TRUE);
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Cleanup:
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ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Completed a predicate eval=%X Op=%p\n",
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WalkState->ControlState->Common.Value, WalkState->Op));
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/* Break to debugger to display result */
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ACPI_DEBUGGER_EXEC (AcpiDbDisplayResultObject (LocalObjDesc, 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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if (LocalObjDesc != ObjDesc)
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{
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AcpiUtRemoveReference (LocalObjDesc);
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}
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AcpiUtRemoveReference (ObjDesc);
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WalkState->ControlState->Common.State = ACPI_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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* FUNCTION: AcpiDsExecBeginOp
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*
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* PARAMETERS: WalkState - Current state of the parse tree walk
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* OutOp - Where to 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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UINT32 OpcodeClass;
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ACPI_FUNCTION_TRACE_PTR (DsExecBeginOp, WalkState);
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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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goto ErrorExit;
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}
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Op = *OutOp;
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WalkState->Op = Op;
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WalkState->Opcode = Op->Common.AmlOpcode;
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WalkState->OpInfo = AcpiPsGetOpcodeInfo (Op->Common.AmlOpcode);
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if (AcpiNsOpensScope (WalkState->OpInfo->ObjectType))
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{
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ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH,
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"(%s) Popping scope for Op %p\n",
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AcpiUtGetTypeName (WalkState->OpInfo->ObjectType), Op));
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Status = AcpiDsScopeStackPop (WalkState);
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if (ACPI_FAILURE (Status))
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{
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goto ErrorExit;
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}
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}
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}
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if (Op == WalkState->Origin)
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{
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if (OutOp)
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{
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*OutOp = Op;
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}
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return_ACPI_STATUS (AE_OK);
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}
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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.
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* Save this knowledge in the current scope descriptor
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*/
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if ((WalkState->ControlState) &&
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(WalkState->ControlState->Common.State ==
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ACPI_CONTROL_CONDITIONAL_EXECUTING))
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{
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ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Exec predicate Op=%p State=%p\n",
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Op, WalkState));
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WalkState->ControlState->Common.State = ACPI_CONTROL_PREDICATE_EXECUTING;
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/* Save start of predicate */
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WalkState->ControlState->Control.PredicateOp = Op;
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}
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OpcodeClass = WalkState->OpInfo->Class;
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/* We want to send namepaths to the load code */
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if (Op->Common.AmlOpcode == AML_INT_NAMEPATH_OP)
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{
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OpcodeClass = AML_CLASS_NAMED_OBJECT;
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}
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/*
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* Handle the opcode based upon the opcode type
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*/
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switch (OpcodeClass)
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{
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case AML_CLASS_CONTROL:
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Status = AcpiDsExecBeginControlOp (WalkState, Op);
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break;
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case AML_CLASS_NAMED_OBJECT:
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if (WalkState->WalkType & ACPI_WALK_METHOD)
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{
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/*
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* Found a named object declaration during method execution;
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* we must enter this object into the namespace. The created
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* object is temporary and will be deleted upon completion of
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* the execution of this method.
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*
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* Note 10/2010: Except for the Scope() op. This opcode does
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* not actually create a new object, it refers to an existing
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* object. However, for Scope(), we want to indeed open a
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* new scope.
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*/
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if (Op->Common.AmlOpcode != AML_SCOPE_OP)
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{
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Status = AcpiDsLoad2BeginOp (WalkState, NULL);
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}
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else
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{
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Status = AcpiDsScopeStackPush (Op->Named.Node,
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Op->Named.Node->Type, 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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}
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}
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break;
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case AML_CLASS_EXECUTE:
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case AML_CLASS_CREATE:
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break;
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default:
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break;
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}
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/* Nothing to do here during method execution */
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return_ACPI_STATUS (Status);
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ErrorExit:
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Status = AcpiDsMethodError (Status, WalkState);
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return_ACPI_STATUS (Status);
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}
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/*****************************************************************************
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*
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* FUNCTION: AcpiDsExecEndOp
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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: Ascending callback used during the execution of control
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* methods. The only thing we really need to do here is to
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* notice the beginning of IF, ELSE, and WHILE blocks.
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*
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****************************************************************************/
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ACPI_STATUS
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AcpiDsExecEndOp (
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ACPI_WALK_STATE *WalkState)
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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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UINT32 OpType;
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UINT32 OpClass;
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ACPI_PARSE_OBJECT *NextOp;
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ACPI_PARSE_OBJECT *FirstArg;
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ACPI_FUNCTION_TRACE_PTR (DsExecEndOp, WalkState);
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|
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Op = WalkState->Op;
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OpType = WalkState->OpInfo->Type;
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OpClass = WalkState->OpInfo->Class;
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if (OpClass == AML_CLASS_UNKNOWN)
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{
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ACPI_ERROR ((AE_INFO, "Unknown opcode 0x%X", Op->Common.AmlOpcode));
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return_ACPI_STATUS (AE_NOT_IMPLEMENTED);
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}
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FirstArg = Op->Common.Value.Arg;
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/* Init the walk state */
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WalkState->NumOperands = 0;
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WalkState->OperandIndex = 0;
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WalkState->ReturnDesc = NULL;
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WalkState->ResultObj = NULL;
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/* Call debugger for single step support (DEBUG build only) */
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ACPI_DEBUGGER_EXEC (Status = AcpiDbSingleStep (WalkState, Op, OpClass));
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ACPI_DEBUGGER_EXEC (if (ACPI_FAILURE (Status)) {return_ACPI_STATUS (Status);});
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/* Decode the Opcode Class */
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switch (OpClass)
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{
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case AML_CLASS_ARGUMENT: /* Constants, literals, etc. */
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if (WalkState->Opcode == AML_INT_NAMEPATH_OP)
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{
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Status = AcpiDsEvaluateNamePath (WalkState);
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if (ACPI_FAILURE (Status))
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{
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goto Cleanup;
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}
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}
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break;
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case AML_CLASS_EXECUTE: /* Most operators with arguments */
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/* Build resolved operand stack */
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Status = AcpiDsCreateOperands (WalkState, FirstArg);
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if (ACPI_FAILURE (Status))
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{
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goto Cleanup;
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}
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/*
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* All opcodes require operand resolution, with the only exceptions
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* being the ObjectType and SizeOf operators.
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*/
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if (!(WalkState->OpInfo->Flags & AML_NO_OPERAND_RESOLVE))
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{
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/* Resolve all operands */
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Status = AcpiExResolveOperands (WalkState->Opcode,
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&(WalkState->Operands [WalkState->NumOperands -1]),
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WalkState);
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}
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if (ACPI_SUCCESS (Status))
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{
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/*
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* Dispatch the request to the appropriate interpreter handler
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* routine. There is one routine per opcode "type" based upon the
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* number of opcode arguments and return type.
|
|
*/
|
|
Status = AcpiGbl_OpTypeDispatch[OpType] (WalkState);
|
|
}
|
|
else
|
|
{
|
|
/*
|
|
* Treat constructs of the form "Store(LocalX,LocalX)" as noops when the
|
|
* Local is uninitialized.
|
|
*/
|
|
if ((Status == AE_AML_UNINITIALIZED_LOCAL) &&
|
|
(WalkState->Opcode == AML_STORE_OP) &&
|
|
(WalkState->Operands[0]->Common.Type == ACPI_TYPE_LOCAL_REFERENCE) &&
|
|
(WalkState->Operands[1]->Common.Type == ACPI_TYPE_LOCAL_REFERENCE) &&
|
|
(WalkState->Operands[0]->Reference.Class ==
|
|
WalkState->Operands[1]->Reference.Class) &&
|
|
(WalkState->Operands[0]->Reference.Value ==
|
|
WalkState->Operands[1]->Reference.Value))
|
|
{
|
|
Status = AE_OK;
|
|
}
|
|
else
|
|
{
|
|
ACPI_EXCEPTION ((AE_INFO, Status,
|
|
"While resolving operands for [%s]",
|
|
AcpiPsGetOpcodeName (WalkState->Opcode)));
|
|
}
|
|
}
|
|
|
|
/* Always delete the argument objects and clear the operand stack */
|
|
|
|
AcpiDsClearOperands (WalkState);
|
|
|
|
/*
|
|
* 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;
|
|
|
|
|
|
default:
|
|
|
|
switch (OpType)
|
|
{
|
|
case AML_TYPE_CONTROL: /* Type 1 opcode, IF/ELSE/WHILE/NOOP */
|
|
|
|
/* 1 Operand, 0 ExternalResult, 0 InternalResult */
|
|
|
|
Status = AcpiDsExecEndControlOp (WalkState, Op);
|
|
|
|
break;
|
|
|
|
|
|
case AML_TYPE_METHOD_CALL:
|
|
|
|
/*
|
|
* If the method is referenced from within a package
|
|
* declaration, it is not a invocation of the method, just
|
|
* a reference to it.
|
|
*/
|
|
if ((Op->Asl.Parent) &&
|
|
((Op->Asl.Parent->Asl.AmlOpcode == AML_PACKAGE_OP) ||
|
|
(Op->Asl.Parent->Asl.AmlOpcode == AML_VAR_PACKAGE_OP)))
|
|
{
|
|
ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH,
|
|
"Method Reference in a Package, Op=%p\n", Op));
|
|
|
|
Op->Common.Node = (ACPI_NAMESPACE_NODE *) Op->Asl.Value.Arg->Asl.Node;
|
|
AcpiUtAddReference (Op->Asl.Value.Arg->Asl.Node->Object);
|
|
return_ACPI_STATUS (AE_OK);
|
|
}
|
|
|
|
ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, "Method invocation, Op=%p\n", Op));
|
|
|
|
/*
|
|
* (AML_METHODCALL) Op->Asl.Value.Arg->Asl.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->Common.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))
|
|
{
|
|
/* On error, clear all resolved operands */
|
|
|
|
AcpiDsClearOperands (WalkState);
|
|
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);
|
|
|
|
|
|
case AML_TYPE_CREATE_FIELD:
|
|
|
|
ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
|
|
"Executing CreateField Buffer/Index Op=%p\n", Op));
|
|
|
|
Status = AcpiDsLoad2EndOp (WalkState);
|
|
if (ACPI_FAILURE (Status))
|
|
{
|
|
break;
|
|
}
|
|
|
|
Status = AcpiDsEvalBufferFieldOperands (WalkState, Op);
|
|
break;
|
|
|
|
|
|
case AML_TYPE_CREATE_OBJECT:
|
|
|
|
ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
|
|
"Executing CreateObject (Buffer/Package) Op=%p\n", Op));
|
|
|
|
switch (Op->Common.Parent->Common.AmlOpcode)
|
|
{
|
|
case AML_NAME_OP:
|
|
|
|
/*
|
|
* Put the Node on the object stack (Contains the ACPI Name
|
|
* of this object)
|
|
*/
|
|
WalkState->Operands[0] = (void *) Op->Common.Parent->Common.Node;
|
|
WalkState->NumOperands = 1;
|
|
|
|
Status = AcpiDsCreateNode (WalkState,
|
|
Op->Common.Parent->Common.Node,
|
|
Op->Common.Parent);
|
|
if (ACPI_FAILURE (Status))
|
|
{
|
|
break;
|
|
}
|
|
|
|
/* Fall through */
|
|
/*lint -fallthrough */
|
|
|
|
case AML_INT_EVAL_SUBTREE_OP:
|
|
|
|
Status = AcpiDsEvalDataObjectOperands (WalkState, Op,
|
|
AcpiNsGetAttachedObject (Op->Common.Parent->Common.Node));
|
|
break;
|
|
|
|
default:
|
|
|
|
Status = AcpiDsEvalDataObjectOperands (WalkState, Op, NULL);
|
|
break;
|
|
}
|
|
|
|
/*
|
|
* If a result object was returned from above, push it on the
|
|
* current result stack
|
|
*/
|
|
if (WalkState->ResultObj)
|
|
{
|
|
Status = AcpiDsResultPush (WalkState->ResultObj, WalkState);
|
|
}
|
|
break;
|
|
|
|
|
|
case AML_TYPE_NAMED_FIELD:
|
|
case AML_TYPE_NAMED_COMPLEX:
|
|
case AML_TYPE_NAMED_SIMPLE:
|
|
case AML_TYPE_NAMED_NO_OBJ:
|
|
|
|
Status = AcpiDsLoad2EndOp (WalkState);
|
|
if (ACPI_FAILURE (Status))
|
|
{
|
|
break;
|
|
}
|
|
|
|
if (Op->Common.AmlOpcode == AML_REGION_OP)
|
|
{
|
|
ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
|
|
"Executing OpRegion Address/Length Op=%p\n", Op));
|
|
|
|
Status = AcpiDsEvalRegionOperands (WalkState, Op);
|
|
if (ACPI_FAILURE (Status))
|
|
{
|
|
break;
|
|
}
|
|
}
|
|
else if (Op->Common.AmlOpcode == AML_DATA_REGION_OP)
|
|
{
|
|
ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
|
|
"Executing DataTableRegion Strings Op=%p\n", Op));
|
|
|
|
Status = AcpiDsEvalTableRegionOperands (WalkState, Op);
|
|
if (ACPI_FAILURE (Status))
|
|
{
|
|
break;
|
|
}
|
|
}
|
|
else if (Op->Common.AmlOpcode == AML_BANK_FIELD_OP)
|
|
{
|
|
ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
|
|
"Executing BankField Op=%p\n", Op));
|
|
|
|
Status = AcpiDsEvalBankFieldOperands (WalkState, Op);
|
|
if (ACPI_FAILURE (Status))
|
|
{
|
|
break;
|
|
}
|
|
}
|
|
break;
|
|
|
|
|
|
case AML_TYPE_UNDEFINED:
|
|
|
|
ACPI_ERROR ((AE_INFO,
|
|
"Undefined opcode type Op=%p", Op));
|
|
return_ACPI_STATUS (AE_NOT_IMPLEMENTED);
|
|
|
|
|
|
case AML_TYPE_BOGUS:
|
|
|
|
ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH,
|
|
"Internal opcode=%X type Op=%p\n",
|
|
WalkState->Opcode, Op));
|
|
break;
|
|
|
|
|
|
default:
|
|
|
|
ACPI_ERROR ((AE_INFO,
|
|
"Unimplemented opcode, class=0x%X type=0x%X Opcode=-0x%X Op=%p",
|
|
OpClass, OpType, Op->Common.AmlOpcode, 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);
|
|
|
|
/*
|
|
* Check if we just completed the evaluation of a
|
|
* conditional predicate
|
|
*/
|
|
if ((ACPI_SUCCESS (Status)) &&
|
|
(WalkState->ControlState) &&
|
|
(WalkState->ControlState->Common.State ==
|
|
ACPI_CONTROL_PREDICATE_EXECUTING) &&
|
|
(WalkState->ControlState->Control.PredicateOp == Op))
|
|
{
|
|
Status = AcpiDsGetPredicateValue (WalkState, WalkState->ResultObj);
|
|
WalkState->ResultObj = NULL;
|
|
}
|
|
|
|
|
|
Cleanup:
|
|
|
|
if (WalkState->ResultObj)
|
|
{
|
|
/* Break to debugger to display result */
|
|
|
|
ACPI_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);
|
|
}
|
|
|
|
#ifdef _UNDER_DEVELOPMENT
|
|
|
|
if (WalkState->ParserState.Aml == WalkState->ParserState.AmlEnd)
|
|
{
|
|
AcpiDbMethodEnd (WalkState);
|
|
}
|
|
#endif
|
|
|
|
/* Invoke exception handler on error */
|
|
|
|
if (ACPI_FAILURE (Status))
|
|
{
|
|
Status = AcpiDsMethodError (Status, WalkState);
|
|
}
|
|
|
|
/* Always clear the object stack */
|
|
|
|
WalkState->NumOperands = 0;
|
|
return_ACPI_STATUS (Status);
|
|
}
|
|
|
|
|