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721 lines
24 KiB
C
721 lines
24 KiB
C
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/******************************************************************************
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*
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* Module Name: exresop - AML Interpreter operand/object resolution
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* $Revision: 62 $
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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 - 2003, 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
|
|
* 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 __EXRESOP_C__
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#include "acpi.h"
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#include "amlcode.h"
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#include "acparser.h"
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#include "acinterp.h"
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#define _COMPONENT ACPI_EXECUTER
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ACPI_MODULE_NAME ("exresop")
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/*******************************************************************************
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*
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* FUNCTION: AcpiExCheckObjectType
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*
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* PARAMETERS: TypeNeeded Object type needed
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* ThisType Actual object type
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* Object Object pointer
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*
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* RETURN: Status
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*
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* DESCRIPTION: Check required type against actual type
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*
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******************************************************************************/
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ACPI_STATUS
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AcpiExCheckObjectType (
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ACPI_OBJECT_TYPE TypeNeeded,
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ACPI_OBJECT_TYPE ThisType,
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void *Object)
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{
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ACPI_FUNCTION_NAME ("ExCheckObjectType");
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if (TypeNeeded == ACPI_TYPE_ANY)
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{
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/* All types OK, so we don't perform any typechecks */
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return (AE_OK);
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}
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if (TypeNeeded == ACPI_TYPE_LOCAL_REFERENCE)
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{
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/*
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* Allow the AML "Constant" opcodes (Zero, One, etc.) to be reference
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* objects and thus allow them to be targets. (As per the ACPI
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* specification, a store to a constant is a noop.)
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*/
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if ((ThisType == ACPI_TYPE_INTEGER) &&
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(((ACPI_OPERAND_OBJECT *) Object)->Common.Flags & AOPOBJ_AML_CONSTANT))
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{
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return (AE_OK);
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}
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}
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if (TypeNeeded != ThisType)
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{
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ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
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"Needed [%s], found [%s] %p\n",
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AcpiUtGetTypeName (TypeNeeded),
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AcpiUtGetTypeName (ThisType), Object));
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return (AE_AML_OPERAND_TYPE);
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}
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return (AE_OK);
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}
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/*******************************************************************************
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*
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* FUNCTION: AcpiExResolveOperands
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*
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* PARAMETERS: Opcode - Opcode being interpreted
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* StackPtr - Pointer to the operand stack to be
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* resolved
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* WalkState - Current state
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*
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* RETURN: Status
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*
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* DESCRIPTION: Convert multiple input operands to the types required by the
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* target operator.
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*
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* Each 5-bit group in ArgTypes represents one required
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* operand and indicates the required Type. The corresponding operand
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* will be converted to the required type if possible, otherwise we
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* abort with an exception.
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*
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******************************************************************************/
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ACPI_STATUS
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AcpiExResolveOperands (
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UINT16 Opcode,
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ACPI_OPERAND_OBJECT **StackPtr,
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ACPI_WALK_STATE *WalkState)
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{
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ACPI_OPERAND_OBJECT *ObjDesc;
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ACPI_STATUS Status = AE_OK;
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UINT8 ObjectType;
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void *TempNode;
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UINT32 ArgTypes;
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const ACPI_OPCODE_INFO *OpInfo;
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UINT32 ThisArgType;
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ACPI_OBJECT_TYPE TypeNeeded;
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ACPI_FUNCTION_TRACE_U32 ("ExResolveOperands", Opcode);
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OpInfo = AcpiPsGetOpcodeInfo (Opcode);
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if (OpInfo->Class == AML_CLASS_UNKNOWN)
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{
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return_ACPI_STATUS (AE_AML_BAD_OPCODE);
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}
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ArgTypes = OpInfo->RuntimeArgs;
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if (ArgTypes == ARGI_INVALID_OPCODE)
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{
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ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Internal - %X is not a valid AML opcode\n",
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Opcode));
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return_ACPI_STATUS (AE_AML_INTERNAL);
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}
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ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Opcode %X [%s] OperandTypes=%X \n",
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Opcode, OpInfo->Name, ArgTypes));
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/*
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* Normal exit is with (ArgTypes == 0) at end of argument list.
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* Function will return an exception from within the loop upon
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* finding an entry which is not (or cannot be converted
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* to) the required type; if stack underflows; or upon
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* finding a NULL stack entry (which should not happen).
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*/
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while (GET_CURRENT_ARG_TYPE (ArgTypes))
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{
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if (!StackPtr || !*StackPtr)
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{
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ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Internal - null stack entry at %p\n",
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StackPtr));
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return_ACPI_STATUS (AE_AML_INTERNAL);
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}
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/* Extract useful items */
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ObjDesc = *StackPtr;
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/* Decode the descriptor type */
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switch (ACPI_GET_DESCRIPTOR_TYPE (ObjDesc))
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{
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case ACPI_DESC_TYPE_NAMED:
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/* Node */
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ObjectType = ((ACPI_NAMESPACE_NODE *) ObjDesc)->Type;
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break;
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case ACPI_DESC_TYPE_OPERAND:
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/* ACPI internal object */
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ObjectType = ACPI_GET_OBJECT_TYPE (ObjDesc);
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/* Check for bad ACPI_OBJECT_TYPE */
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if (!AcpiUtValidObjectType (ObjectType))
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{
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ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Bad operand object type [%X]\n",
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ObjectType));
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return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
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}
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if (ObjectType == (UINT8) ACPI_TYPE_LOCAL_REFERENCE)
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{
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/*
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* Decode the Reference
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*/
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OpInfo = AcpiPsGetOpcodeInfo (Opcode);
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if (OpInfo->Class == AML_CLASS_UNKNOWN)
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{
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return_ACPI_STATUS (AE_AML_BAD_OPCODE);
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}
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switch (ObjDesc->Reference.Opcode)
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{
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case AML_DEBUG_OP:
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case AML_NAME_OP:
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case AML_INDEX_OP:
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case AML_REF_OF_OP:
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case AML_ARG_OP:
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case AML_LOCAL_OP:
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ACPI_DEBUG_ONLY_MEMBERS (ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
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"Reference Opcode: %s\n", OpInfo->Name)));
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break;
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default:
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ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
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"Unknown Reference Opcode %X\n",
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ObjDesc->Reference.Opcode));
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return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
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}
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}
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break;
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default:
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/* Invalid descriptor */
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ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
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"Bad descriptor type %X in Obj %p\n",
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ACPI_GET_DESCRIPTOR_TYPE (ObjDesc), ObjDesc));
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return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
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}
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/*
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* Get one argument type, point to the next
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*/
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ThisArgType = GET_CURRENT_ARG_TYPE (ArgTypes);
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INCREMENT_ARG_LIST (ArgTypes);
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/*
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* Handle cases where the object does not need to be
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* resolved to a value
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*/
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switch (ThisArgType)
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{
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case ARGI_REF_OR_STRING: /* Can be a String or Reference */
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if ((ACPI_GET_DESCRIPTOR_TYPE (ObjDesc) == ACPI_DESC_TYPE_OPERAND) &&
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(ACPI_GET_OBJECT_TYPE (ObjDesc) == ACPI_TYPE_STRING))
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{
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/*
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* String found - the string references a named object and must be
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* resolved to a node
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*/
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goto NextOperand;
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}
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/* Else not a string - fall through to the normal Reference case below */
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/*lint -fallthrough */
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case ARGI_REFERENCE: /* References: */
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case ARGI_INTEGER_REF:
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case ARGI_OBJECT_REF:
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case ARGI_DEVICE_REF:
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case ARGI_TARGETREF: /* Allows implicit conversion rules before store */
|
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case ARGI_FIXED_TARGET: /* No implicit conversion before store to target */
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case ARGI_SIMPLE_TARGET: /* Name, Local, or Arg - no implicit conversion */
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|
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/* Need an operand of type ACPI_TYPE_LOCAL_REFERENCE */
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|
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if (ACPI_GET_DESCRIPTOR_TYPE (ObjDesc) == ACPI_DESC_TYPE_NAMED) /* Node (name) ptr OK as-is */
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{
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goto NextOperand;
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}
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Status = AcpiExCheckObjectType (ACPI_TYPE_LOCAL_REFERENCE,
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ObjectType, ObjDesc);
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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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if (AML_NAME_OP == ObjDesc->Reference.Opcode)
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{
|
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/*
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* Convert an indirect name ptr to direct name ptr and put
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* it on the stack
|
|
*/
|
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TempNode = ObjDesc->Reference.Object;
|
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AcpiUtRemoveReference (ObjDesc);
|
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(*StackPtr) = TempNode;
|
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}
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goto NextOperand;
|
|
|
|
|
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case ARGI_ANYTYPE:
|
|
|
|
/*
|
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* We don't want to resolve IndexOp reference objects during
|
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* a store because this would be an implicit DeRefOf operation.
|
|
* Instead, we just want to store the reference object.
|
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* -- All others must be resolved below.
|
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*/
|
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if ((Opcode == AML_STORE_OP) &&
|
|
(ACPI_GET_OBJECT_TYPE (*StackPtr) == ACPI_TYPE_LOCAL_REFERENCE) &&
|
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((*StackPtr)->Reference.Opcode == AML_INDEX_OP))
|
|
{
|
|
goto NextOperand;
|
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}
|
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break;
|
|
|
|
default:
|
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/* All cases covered above */
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break;
|
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}
|
|
|
|
|
|
/*
|
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* Resolve this object to a value
|
|
*/
|
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Status = AcpiExResolveToValue (StackPtr, WalkState);
|
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if (ACPI_FAILURE (Status))
|
|
{
|
|
return_ACPI_STATUS (Status);
|
|
}
|
|
|
|
/* Get the resolved object */
|
|
|
|
ObjDesc = *StackPtr;
|
|
|
|
/*
|
|
* Check the resulting object (value) type
|
|
*/
|
|
switch (ThisArgType)
|
|
{
|
|
/*
|
|
* For the simple cases, only one type of resolved object
|
|
* is allowed
|
|
*/
|
|
case ARGI_MUTEX:
|
|
|
|
/* Need an operand of type ACPI_TYPE_MUTEX */
|
|
|
|
TypeNeeded = ACPI_TYPE_MUTEX;
|
|
break;
|
|
|
|
case ARGI_EVENT:
|
|
|
|
/* Need an operand of type ACPI_TYPE_EVENT */
|
|
|
|
TypeNeeded = ACPI_TYPE_EVENT;
|
|
break;
|
|
|
|
case ARGI_PACKAGE: /* Package */
|
|
|
|
/* Need an operand of type ACPI_TYPE_PACKAGE */
|
|
|
|
TypeNeeded = ACPI_TYPE_PACKAGE;
|
|
break;
|
|
|
|
case ARGI_ANYTYPE:
|
|
|
|
/* Any operand type will do */
|
|
|
|
TypeNeeded = ACPI_TYPE_ANY;
|
|
break;
|
|
|
|
|
|
/*
|
|
* The more complex cases allow multiple resolved object types
|
|
*/
|
|
case ARGI_INTEGER: /* Number */
|
|
|
|
/*
|
|
* Need an operand of type ACPI_TYPE_INTEGER,
|
|
* But we can implicitly convert from a STRING or BUFFER
|
|
* Aka - "Implicit Source Operand Conversion"
|
|
*/
|
|
Status = AcpiExConvertToInteger (ObjDesc, StackPtr, WalkState);
|
|
if (ACPI_FAILURE (Status))
|
|
{
|
|
if (Status == AE_TYPE)
|
|
{
|
|
ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
|
|
"Needed [Integer/String/Buffer], found [%s] %p\n",
|
|
AcpiUtGetObjectTypeName (ObjDesc), ObjDesc));
|
|
|
|
return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
|
|
}
|
|
|
|
return_ACPI_STATUS (Status);
|
|
}
|
|
goto NextOperand;
|
|
|
|
|
|
case ARGI_BUFFER:
|
|
|
|
/*
|
|
* Need an operand of type ACPI_TYPE_BUFFER,
|
|
* But we can implicitly convert from a STRING or INTEGER
|
|
* Aka - "Implicit Source Operand Conversion"
|
|
*/
|
|
Status = AcpiExConvertToBuffer (ObjDesc, StackPtr, WalkState);
|
|
if (ACPI_FAILURE (Status))
|
|
{
|
|
if (Status == AE_TYPE)
|
|
{
|
|
ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
|
|
"Needed [Integer/String/Buffer], found [%s] %p\n",
|
|
AcpiUtGetObjectTypeName (ObjDesc), ObjDesc));
|
|
|
|
return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
|
|
}
|
|
|
|
return_ACPI_STATUS (Status);
|
|
}
|
|
goto NextOperand;
|
|
|
|
|
|
case ARGI_STRING:
|
|
|
|
/*
|
|
* Need an operand of type ACPI_TYPE_STRING,
|
|
* But we can implicitly convert from a BUFFER or INTEGER
|
|
* Aka - "Implicit Source Operand Conversion"
|
|
*/
|
|
Status = AcpiExConvertToString (ObjDesc, StackPtr, 16, ACPI_UINT32_MAX, WalkState);
|
|
if (ACPI_FAILURE (Status))
|
|
{
|
|
if (Status == AE_TYPE)
|
|
{
|
|
ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
|
|
"Needed [Integer/String/Buffer], found [%s] %p\n",
|
|
AcpiUtGetObjectTypeName (ObjDesc), ObjDesc));
|
|
|
|
return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
|
|
}
|
|
|
|
return_ACPI_STATUS (Status);
|
|
}
|
|
goto NextOperand;
|
|
|
|
|
|
case ARGI_COMPUTEDATA:
|
|
|
|
/* Need an operand of type INTEGER, STRING or BUFFER */
|
|
|
|
switch (ACPI_GET_OBJECT_TYPE (ObjDesc))
|
|
{
|
|
case ACPI_TYPE_INTEGER:
|
|
case ACPI_TYPE_STRING:
|
|
case ACPI_TYPE_BUFFER:
|
|
|
|
/* Valid operand */
|
|
break;
|
|
|
|
default:
|
|
ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
|
|
"Needed [Integer/String/Buffer], found [%s] %p\n",
|
|
AcpiUtGetObjectTypeName (ObjDesc), ObjDesc));
|
|
|
|
return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
|
|
}
|
|
goto NextOperand;
|
|
|
|
|
|
case ARGI_BUFFER_OR_STRING:
|
|
|
|
/* Need an operand of type STRING or BUFFER */
|
|
|
|
switch (ACPI_GET_OBJECT_TYPE (ObjDesc))
|
|
{
|
|
case ACPI_TYPE_STRING:
|
|
case ACPI_TYPE_BUFFER:
|
|
|
|
/* Valid operand */
|
|
break;
|
|
|
|
case ACPI_TYPE_INTEGER:
|
|
|
|
/* Highest priority conversion is to type Buffer */
|
|
|
|
Status = AcpiExConvertToBuffer (ObjDesc, StackPtr, WalkState);
|
|
if (ACPI_FAILURE (Status))
|
|
{
|
|
return_ACPI_STATUS (Status);
|
|
}
|
|
break;
|
|
|
|
default:
|
|
ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
|
|
"Needed [Integer/String/Buffer], found [%s] %p\n",
|
|
AcpiUtGetObjectTypeName (ObjDesc), ObjDesc));
|
|
|
|
return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
|
|
}
|
|
goto NextOperand;
|
|
|
|
|
|
case ARGI_DATAOBJECT:
|
|
/*
|
|
* ARGI_DATAOBJECT is only used by the SizeOf operator.
|
|
* Need a buffer, string, package, or RefOf reference.
|
|
*
|
|
* The only reference allowed here is a direct reference to
|
|
* a namespace node.
|
|
*/
|
|
switch (ACPI_GET_OBJECT_TYPE (ObjDesc))
|
|
{
|
|
case ACPI_TYPE_PACKAGE:
|
|
case ACPI_TYPE_STRING:
|
|
case ACPI_TYPE_BUFFER:
|
|
case ACPI_TYPE_LOCAL_REFERENCE:
|
|
|
|
/* Valid operand */
|
|
break;
|
|
|
|
default:
|
|
ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
|
|
"Needed [Buffer/String/Package/Reference], found [%s] %p\n",
|
|
AcpiUtGetObjectTypeName (ObjDesc), ObjDesc));
|
|
|
|
return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
|
|
}
|
|
goto NextOperand;
|
|
|
|
|
|
case ARGI_COMPLEXOBJ:
|
|
|
|
/* Need a buffer or package or (ACPI 2.0) String */
|
|
|
|
switch (ACPI_GET_OBJECT_TYPE (ObjDesc))
|
|
{
|
|
case ACPI_TYPE_PACKAGE:
|
|
case ACPI_TYPE_STRING:
|
|
case ACPI_TYPE_BUFFER:
|
|
|
|
/* Valid operand */
|
|
break;
|
|
|
|
default:
|
|
ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
|
|
"Needed [Buffer/String/Package], found [%s] %p\n",
|
|
AcpiUtGetObjectTypeName (ObjDesc), ObjDesc));
|
|
|
|
return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
|
|
}
|
|
goto NextOperand;
|
|
|
|
|
|
case ARGI_REGION_OR_FIELD:
|
|
|
|
/* Need an operand of type ACPI_TYPE_REGION or a FIELD in a region */
|
|
|
|
switch (ACPI_GET_OBJECT_TYPE (ObjDesc))
|
|
{
|
|
case ACPI_TYPE_REGION:
|
|
case ACPI_TYPE_LOCAL_REGION_FIELD:
|
|
case ACPI_TYPE_LOCAL_BANK_FIELD:
|
|
case ACPI_TYPE_LOCAL_INDEX_FIELD:
|
|
|
|
/* Valid operand */
|
|
break;
|
|
|
|
default:
|
|
ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
|
|
"Needed [Region/RegionField], found [%s] %p\n",
|
|
AcpiUtGetObjectTypeName (ObjDesc), ObjDesc));
|
|
|
|
return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
|
|
}
|
|
goto NextOperand;
|
|
|
|
|
|
default:
|
|
|
|
/* Unknown type */
|
|
|
|
ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
|
|
"Internal - Unknown ARGI (required operand) type %X\n",
|
|
ThisArgType));
|
|
|
|
return_ACPI_STATUS (AE_BAD_PARAMETER);
|
|
}
|
|
|
|
/*
|
|
* Make sure that the original object was resolved to the
|
|
* required object type (Simple cases only).
|
|
*/
|
|
Status = AcpiExCheckObjectType (TypeNeeded,
|
|
ACPI_GET_OBJECT_TYPE (*StackPtr), *StackPtr);
|
|
if (ACPI_FAILURE (Status))
|
|
{
|
|
return_ACPI_STATUS (Status);
|
|
}
|
|
|
|
NextOperand:
|
|
/*
|
|
* If more operands needed, decrement StackPtr to point
|
|
* to next operand on stack
|
|
*/
|
|
if (GET_CURRENT_ARG_TYPE (ArgTypes))
|
|
{
|
|
StackPtr--;
|
|
}
|
|
|
|
} /* while (*Types) */
|
|
|
|
return_ACPI_STATUS (Status);
|
|
}
|
|
|
|
|