1100 lines
30 KiB
C
1100 lines
30 KiB
C
/******************************************************************************
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*
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* Module Name: exdyadic - ACPI AML execution for dyadic (2-operand) operators
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* $Revision: 82 $
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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
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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 __EXDYADIC_C__
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#include "acpi.h"
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#include "acparser.h"
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#include "acnamesp.h"
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#include "acinterp.h"
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#include "acevents.h"
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#include "amlcode.h"
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#include "acdispat.h"
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#define _COMPONENT ACPI_EXECUTER
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MODULE_NAME ("exdyadic")
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/*******************************************************************************
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*
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* FUNCTION: AcpiExDoConcatenate
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*
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* PARAMETERS: *ObjDesc - Object to be converted. Must be an
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* Integer, Buffer, or String
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* WalkState - Current walk state
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*
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* RETURN: Status
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*
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* DESCRIPTION: Concatenate two objects OF THE SAME TYPE.
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*
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******************************************************************************/
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ACPI_STATUS
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AcpiExDoConcatenate (
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ACPI_OPERAND_OBJECT *ObjDesc,
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ACPI_OPERAND_OBJECT *ObjDesc2,
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ACPI_OPERAND_OBJECT **ActualRetDesc,
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ACPI_WALK_STATE *WalkState)
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{
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ACPI_STATUS Status;
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UINT32 i;
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ACPI_INTEGER ThisInteger;
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ACPI_OPERAND_OBJECT *RetDesc;
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NATIVE_CHAR *NewBuf;
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UINT32 IntegerSize = sizeof (ACPI_INTEGER);
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/*
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* There are three cases to handle:
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* 1) Two Integers concatenated to produce a buffer
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* 2) Two Strings concatenated to produce a string
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* 3) Two Buffers concatenated to produce a buffer
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*/
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switch (ObjDesc->Common.Type)
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{
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case ACPI_TYPE_INTEGER:
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/* Handle both ACPI 1.0 and ACPI 2.0 Integer widths */
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if (WalkState->MethodNode->Flags & ANOBJ_DATA_WIDTH_32)
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{
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/*
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* We are running a method that exists in a 32-bit ACPI table.
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* Truncate the value to 32 bits by zeroing out the upper
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* 32-bit field
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*/
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IntegerSize = sizeof (UINT32);
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}
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/* Result of two integers is a buffer */
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RetDesc = AcpiUtCreateInternalObject (ACPI_TYPE_BUFFER);
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if (!RetDesc)
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{
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return (AE_NO_MEMORY);
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}
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/* Need enough space for two integers */
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RetDesc->Buffer.Length = IntegerSize * 2;
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NewBuf = ACPI_MEM_CALLOCATE (RetDesc->Buffer.Length);
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if (!NewBuf)
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{
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REPORT_ERROR
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(("ExDoConcatenate: Buffer allocation failure\n"));
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Status = AE_NO_MEMORY;
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goto Cleanup;
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}
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RetDesc->Buffer.Pointer = (UINT8 *) NewBuf;
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/* Convert the first integer */
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ThisInteger = ObjDesc->Integer.Value;
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for (i = 0; i < IntegerSize; i++)
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{
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NewBuf[i] = (UINT8) ThisInteger;
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ThisInteger >>= 8;
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}
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/* Convert the second integer */
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ThisInteger = ObjDesc2->Integer.Value;
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for (; i < (IntegerSize * 2); i++)
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{
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NewBuf[i] = (UINT8) ThisInteger;
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ThisInteger >>= 8;
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}
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break;
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case ACPI_TYPE_STRING:
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RetDesc = AcpiUtCreateInternalObject (ACPI_TYPE_STRING);
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if (!RetDesc)
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{
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return (AE_NO_MEMORY);
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}
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/* Operand1 is string */
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NewBuf = ACPI_MEM_ALLOCATE (ObjDesc->String.Length +
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ObjDesc2->String.Length + 1);
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if (!NewBuf)
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{
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REPORT_ERROR
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(("ExDoConcatenate: String allocation failure\n"));
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Status = AE_NO_MEMORY;
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goto Cleanup;
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}
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STRCPY (NewBuf, ObjDesc->String.Pointer);
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STRCPY (NewBuf + ObjDesc->String.Length,
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ObjDesc2->String.Pointer);
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/* Point the return object to the new string */
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RetDesc->String.Pointer = NewBuf;
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RetDesc->String.Length = ObjDesc->String.Length +=
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ObjDesc2->String.Length;
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break;
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case ACPI_TYPE_BUFFER:
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/* Operand1 is a buffer */
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RetDesc = AcpiUtCreateInternalObject (ACPI_TYPE_BUFFER);
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if (!RetDesc)
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{
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return (AE_NO_MEMORY);
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}
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NewBuf = ACPI_MEM_ALLOCATE (ObjDesc->Buffer.Length +
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ObjDesc2->Buffer.Length);
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if (!NewBuf)
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{
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REPORT_ERROR
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(("ExDoConcatenate: Buffer allocation failure\n"));
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Status = AE_NO_MEMORY;
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goto Cleanup;
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}
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MEMCPY (NewBuf, ObjDesc->Buffer.Pointer,
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ObjDesc->Buffer.Length);
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MEMCPY (NewBuf + ObjDesc->Buffer.Length, ObjDesc2->Buffer.Pointer,
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ObjDesc2->Buffer.Length);
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/*
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* Point the return object to the new buffer
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*/
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RetDesc->Buffer.Pointer = (UINT8 *) NewBuf;
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RetDesc->Buffer.Length = ObjDesc->Buffer.Length +
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ObjDesc2->Buffer.Length;
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break;
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default:
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Status = AE_AML_INTERNAL;
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RetDesc = NULL;
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}
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*ActualRetDesc = RetDesc;
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return (AE_OK);
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Cleanup:
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AcpiUtRemoveReference (RetDesc);
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return (Status);
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}
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/*******************************************************************************
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*
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* FUNCTION: AcpiExDyadic1
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*
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* PARAMETERS: Opcode - The opcode to be executed
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* WalkState - Current walk state
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*
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* RETURN: Status
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*
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* DESCRIPTION: Execute Type 1 dyadic operator with numeric operands:
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* NotifyOp
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*
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* ALLOCATION: Deletes both operands
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*
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******************************************************************************/
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ACPI_STATUS
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AcpiExDyadic1 (
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UINT16 Opcode,
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ACPI_WALK_STATE *WalkState)
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{
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ACPI_OPERAND_OBJECT *ObjDesc = NULL;
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ACPI_OPERAND_OBJECT *ValDesc = NULL;
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ACPI_NAMESPACE_NODE *Node;
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ACPI_STATUS Status = AE_OK;
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FUNCTION_TRACE_PTR ("ExDyadic1", WALK_OPERANDS);
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/* Resolve all operands */
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Status = AcpiExResolveOperands (Opcode, WALK_OPERANDS, WalkState);
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DUMP_OPERANDS (WALK_OPERANDS, IMODE_EXECUTE, AcpiPsGetOpcodeName (Opcode),
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2, "after AcpiExResolveOperands");
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/* Get the operands */
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Status |= AcpiDsObjStackPopObject (&ValDesc, WalkState);
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Status |= AcpiDsObjStackPopObject (&ObjDesc, WalkState);
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if (ACPI_FAILURE (Status))
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{
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/* Invalid parameters on object stack */
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DEBUG_PRINTP (ACPI_ERROR, ("(%s) bad operand(s) %s\n",
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AcpiPsGetOpcodeName (Opcode), AcpiFormatException (Status)));
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goto Cleanup;
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}
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/* Examine the opcode */
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switch (Opcode)
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{
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/* DefNotify := NotifyOp NotifyObject NotifyValue */
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case AML_NOTIFY_OP:
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/* The ObjDesc is actually an Node */
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Node = (ACPI_NAMESPACE_NODE *) ObjDesc;
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ObjDesc = NULL;
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/* Object must be a device or thermal zone */
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if (Node && ValDesc)
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{
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switch (Node->Type)
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{
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case ACPI_TYPE_DEVICE:
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case ACPI_TYPE_THERMAL:
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/*
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* Dispatch the notify to the appropriate handler
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* NOTE: the request is queued for execution after this method
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* completes. The notify handlers are NOT invoked synchronously
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* from this thread -- because handlers may in turn run other
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* control methods.
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*/
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Status = AcpiEvQueueNotifyRequest (Node,
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(UINT32) ValDesc->Integer.Value);
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break;
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default:
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DEBUG_PRINTP (ACPI_ERROR, ("Unexpected notify object type %X\n",
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ObjDesc->Common.Type));
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Status = AE_AML_OPERAND_TYPE;
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break;
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}
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}
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break;
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default:
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REPORT_ERROR (("AcpiExDyadic1: Unknown dyadic opcode %X\n", Opcode));
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Status = AE_AML_BAD_OPCODE;
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}
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Cleanup:
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/* Always delete both operands */
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AcpiUtRemoveReference (ValDesc);
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AcpiUtRemoveReference (ObjDesc);
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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: AcpiExDyadic2R
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*
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* PARAMETERS: Opcode - The opcode to be executed
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* WalkState - Current walk state
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* ReturnDesc - Where to store the return object
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*
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* RETURN: Status
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*
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* DESCRIPTION: Execute Type 2 dyadic operator with numeric operands and
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* one or two result operands.
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*
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* ALLOCATION: Deletes one operand descriptor -- other remains on stack
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*
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******************************************************************************/
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ACPI_STATUS
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AcpiExDyadic2R (
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UINT16 Opcode,
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ACPI_WALK_STATE *WalkState,
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ACPI_OPERAND_OBJECT **ReturnDesc)
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{
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ACPI_OPERAND_OBJECT *ObjDesc = NULL;
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ACPI_OPERAND_OBJECT *ObjDesc2 = NULL;
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ACPI_OPERAND_OBJECT *ResDesc = NULL;
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ACPI_OPERAND_OBJECT *ResDesc2 = NULL;
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ACPI_OPERAND_OBJECT *RetDesc = NULL;
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ACPI_OPERAND_OBJECT *RetDesc2 = NULL;
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ACPI_STATUS Status = AE_OK;
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UINT32 NumOperands = 3;
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FUNCTION_TRACE_U32 ("ExDyadic2R", Opcode);
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/* Resolve all operands */
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Status = AcpiExResolveOperands (Opcode, WALK_OPERANDS, WalkState);
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DUMP_OPERANDS (WALK_OPERANDS, IMODE_EXECUTE, AcpiPsGetOpcodeName (Opcode),
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NumOperands, "after AcpiExResolveOperands");
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/* Get all operands */
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if (AML_DIVIDE_OP == Opcode)
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{
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NumOperands = 4;
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Status |= AcpiDsObjStackPopObject (&ResDesc2, WalkState);
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}
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Status |= AcpiDsObjStackPopObject (&ResDesc, WalkState);
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Status |= AcpiDsObjStackPopObject (&ObjDesc2, WalkState);
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Status |= AcpiDsObjStackPopObject (&ObjDesc, WalkState);
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if (ACPI_FAILURE (Status))
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{
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DEBUG_PRINTP (ACPI_ERROR, ("(%s) bad operand(s) (%s)\n",
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AcpiPsGetOpcodeName (Opcode), AcpiFormatException (Status)));
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goto Cleanup;
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}
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/* Create an internal return object if necessary */
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switch (Opcode)
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{
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case AML_ADD_OP:
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case AML_BIT_AND_OP:
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case AML_BIT_NAND_OP:
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case AML_BIT_OR_OP:
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case AML_BIT_NOR_OP:
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case AML_BIT_XOR_OP:
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case AML_DIVIDE_OP:
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case AML_MOD_OP:
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case AML_MULTIPLY_OP:
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case AML_SHIFT_LEFT_OP:
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case AML_SHIFT_RIGHT_OP:
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case AML_SUBTRACT_OP:
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RetDesc = AcpiUtCreateInternalObject (ACPI_TYPE_INTEGER);
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if (!RetDesc)
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{
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Status = AE_NO_MEMORY;
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goto Cleanup;
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}
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break;
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}
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/*
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* Execute the opcode
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*/
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switch (Opcode)
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{
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/* DefAdd := AddOp Operand1 Operand2 Result */
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case AML_ADD_OP:
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RetDesc->Integer.Value = ObjDesc->Integer.Value +
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ObjDesc2->Integer.Value;
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break;
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/* DefAnd := AndOp Operand1 Operand2 Result */
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case AML_BIT_AND_OP:
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RetDesc->Integer.Value = ObjDesc->Integer.Value &
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ObjDesc2->Integer.Value;
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break;
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/* DefNAnd := NAndOp Operand1 Operand2 Result */
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case AML_BIT_NAND_OP:
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RetDesc->Integer.Value = ~(ObjDesc->Integer.Value &
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ObjDesc2->Integer.Value);
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break;
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/* DefOr := OrOp Operand1 Operand2 Result */
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case AML_BIT_OR_OP:
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RetDesc->Integer.Value = ObjDesc->Integer.Value |
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ObjDesc2->Integer.Value;
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break;
|
|
|
|
|
|
/* DefNOr := NOrOp Operand1 Operand2 Result */
|
|
|
|
case AML_BIT_NOR_OP:
|
|
|
|
RetDesc->Integer.Value = ~(ObjDesc->Integer.Value |
|
|
ObjDesc2->Integer.Value);
|
|
break;
|
|
|
|
|
|
/* DefXOr := XOrOp Operand1 Operand2 Result */
|
|
|
|
case AML_BIT_XOR_OP:
|
|
|
|
RetDesc->Integer.Value = ObjDesc->Integer.Value ^
|
|
ObjDesc2->Integer.Value;
|
|
break;
|
|
|
|
|
|
/* DefDivide := DivideOp Dividend Divisor Remainder Quotient */
|
|
|
|
case AML_DIVIDE_OP:
|
|
|
|
if (!ObjDesc2->Integer.Value)
|
|
{
|
|
REPORT_ERROR
|
|
(("DivideOp: Divide by zero\n"));
|
|
|
|
Status = AE_AML_DIVIDE_BY_ZERO;
|
|
goto Cleanup;
|
|
}
|
|
|
|
RetDesc2 = AcpiUtCreateInternalObject (ACPI_TYPE_INTEGER);
|
|
if (!RetDesc2)
|
|
{
|
|
Status = AE_NO_MEMORY;
|
|
goto Cleanup;
|
|
}
|
|
|
|
/* Remainder (modulo) */
|
|
|
|
RetDesc->Integer.Value = ACPI_MODULO (ObjDesc->Integer.Value,
|
|
ObjDesc2->Integer.Value);
|
|
|
|
/* Result (what we used to call the quotient) */
|
|
|
|
RetDesc2->Integer.Value = ACPI_DIVIDE (ObjDesc->Integer.Value,
|
|
ObjDesc2->Integer.Value);
|
|
break;
|
|
|
|
|
|
/* DefMod := ModOp Dividend Divisor Remainder */
|
|
|
|
case AML_MOD_OP: /* ACPI 2.0 */
|
|
|
|
if (!ObjDesc2->Integer.Value)
|
|
{
|
|
REPORT_ERROR
|
|
(("ModOp: Divide by zero\n"));
|
|
|
|
Status = AE_AML_DIVIDE_BY_ZERO;
|
|
goto Cleanup;
|
|
}
|
|
|
|
/* Remainder (modulo) */
|
|
|
|
RetDesc->Integer.Value = ACPI_MODULO (ObjDesc->Integer.Value,
|
|
ObjDesc2->Integer.Value);
|
|
break;
|
|
|
|
|
|
/* DefMultiply := MultiplyOp Operand1 Operand2 Result */
|
|
|
|
case AML_MULTIPLY_OP:
|
|
|
|
RetDesc->Integer.Value = ObjDesc->Integer.Value *
|
|
ObjDesc2->Integer.Value;
|
|
break;
|
|
|
|
|
|
/* DefShiftLeft := ShiftLeftOp Operand ShiftCount Result */
|
|
|
|
case AML_SHIFT_LEFT_OP:
|
|
|
|
RetDesc->Integer.Value = ObjDesc->Integer.Value <<
|
|
ObjDesc2->Integer.Value;
|
|
break;
|
|
|
|
|
|
/* DefShiftRight := ShiftRightOp Operand ShiftCount Result */
|
|
|
|
case AML_SHIFT_RIGHT_OP:
|
|
|
|
RetDesc->Integer.Value = ObjDesc->Integer.Value >>
|
|
ObjDesc2->Integer.Value;
|
|
break;
|
|
|
|
|
|
/* DefSubtract := SubtractOp Operand1 Operand2 Result */
|
|
|
|
case AML_SUBTRACT_OP:
|
|
|
|
RetDesc->Integer.Value = ObjDesc->Integer.Value -
|
|
ObjDesc2->Integer.Value;
|
|
break;
|
|
|
|
|
|
/* DefConcat := ConcatOp Data1 Data2 Result */
|
|
|
|
case AML_CONCAT_OP:
|
|
|
|
/*
|
|
* Convert the second operand if necessary. The first operand
|
|
* determines the type of the second operand, (See the Data Types
|
|
* section of the ACPI specification.) Both object types are
|
|
* guaranteed to be either Integer/String/Buffer by the operand
|
|
* resolution mechanism above.
|
|
*/
|
|
switch (ObjDesc->Common.Type)
|
|
{
|
|
case ACPI_TYPE_INTEGER:
|
|
Status = AcpiExConvertToInteger (ObjDesc2, &ObjDesc2, WalkState);
|
|
break;
|
|
|
|
case ACPI_TYPE_STRING:
|
|
Status = AcpiExConvertToString (ObjDesc2, &ObjDesc2, ACPI_UINT32_MAX, WalkState);
|
|
break;
|
|
|
|
case ACPI_TYPE_BUFFER:
|
|
Status = AcpiExConvertToBuffer (ObjDesc2, &ObjDesc2, WalkState);
|
|
break;
|
|
|
|
default:
|
|
Status = AE_AML_INTERNAL;
|
|
}
|
|
|
|
if (ACPI_FAILURE (Status))
|
|
{
|
|
goto Cleanup;
|
|
}
|
|
|
|
|
|
/*
|
|
* Both operands are now known to be the same object type
|
|
* (Both are Integer, String, or Buffer), and we can now perform the
|
|
* concatenation.
|
|
*/
|
|
Status = AcpiExDoConcatenate (ObjDesc, ObjDesc2, &RetDesc, WalkState);
|
|
if (ACPI_FAILURE (Status))
|
|
{
|
|
goto Cleanup;
|
|
}
|
|
break;
|
|
|
|
|
|
/* DefToString := Buffer, Length, Result */
|
|
|
|
case AML_TO_STRING_OP: /* ACPI 2.0 */
|
|
|
|
Status = AcpiExConvertToString (ObjDesc, &RetDesc,
|
|
(UINT32) ObjDesc2->Integer.Value, WalkState);
|
|
break;
|
|
|
|
|
|
/* DefConcatRes := Buffer, Buffer, Result */
|
|
|
|
case AML_CONCAT_RES_OP: /* ACPI 2.0 */
|
|
|
|
Status = AE_NOT_IMPLEMENTED;
|
|
goto Cleanup;
|
|
break;
|
|
|
|
|
|
default:
|
|
|
|
REPORT_ERROR (("AcpiExDyadic2R: Unknown dyadic opcode %X\n",
|
|
Opcode));
|
|
Status = AE_AML_BAD_OPCODE;
|
|
goto Cleanup;
|
|
}
|
|
|
|
|
|
/*
|
|
* Store the result of the operation (which is now in ObjDesc) into
|
|
* the result descriptor, or the location pointed to by the result
|
|
* descriptor (ResDesc).
|
|
*/
|
|
|
|
Status = AcpiExStore (RetDesc, ResDesc, WalkState);
|
|
if (ACPI_FAILURE (Status))
|
|
{
|
|
goto Cleanup;
|
|
}
|
|
|
|
if (AML_DIVIDE_OP == Opcode)
|
|
{
|
|
Status = AcpiExStore (RetDesc2, ResDesc2, WalkState);
|
|
|
|
/*
|
|
* Since the remainder is not returned, remove a reference to
|
|
* the object we created earlier
|
|
*/
|
|
|
|
AcpiUtRemoveReference (RetDesc2);
|
|
}
|
|
|
|
|
|
Cleanup:
|
|
|
|
/* Always delete the operands */
|
|
|
|
AcpiUtRemoveReference (ObjDesc);
|
|
AcpiUtRemoveReference (ObjDesc2);
|
|
|
|
|
|
/* Delete return object on error */
|
|
|
|
if (ACPI_FAILURE (Status))
|
|
{
|
|
/* On failure, delete the result ops */
|
|
|
|
AcpiUtRemoveReference (ResDesc);
|
|
AcpiUtRemoveReference (ResDesc2);
|
|
|
|
if (RetDesc)
|
|
{
|
|
/* And delete the internal return object */
|
|
|
|
AcpiUtRemoveReference (RetDesc);
|
|
RetDesc = NULL;
|
|
}
|
|
}
|
|
|
|
/* Set the return object and exit */
|
|
|
|
*ReturnDesc = RetDesc;
|
|
return_ACPI_STATUS (Status);
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: AcpiExDyadic2S
|
|
*
|
|
* PARAMETERS: Opcode - The opcode to be executed
|
|
* WalkState - Current walk state
|
|
* ReturnDesc - Where to store the return object
|
|
*
|
|
* RETURN: Status
|
|
*
|
|
* DESCRIPTION: Execute Type 2 dyadic synchronization operator
|
|
*
|
|
* ALLOCATION: Deletes one operand descriptor -- other remains on stack
|
|
*
|
|
******************************************************************************/
|
|
|
|
ACPI_STATUS
|
|
AcpiExDyadic2S (
|
|
UINT16 Opcode,
|
|
ACPI_WALK_STATE *WalkState,
|
|
ACPI_OPERAND_OBJECT **ReturnDesc)
|
|
{
|
|
ACPI_OPERAND_OBJECT *ObjDesc;
|
|
ACPI_OPERAND_OBJECT *TimeDesc;
|
|
ACPI_OPERAND_OBJECT *RetDesc = NULL;
|
|
ACPI_STATUS Status;
|
|
|
|
|
|
FUNCTION_TRACE_PTR ("ExDyadic2S", WALK_OPERANDS);
|
|
|
|
|
|
/* Resolve all operands */
|
|
|
|
Status = AcpiExResolveOperands (Opcode, WALK_OPERANDS, WalkState);
|
|
DUMP_OPERANDS (WALK_OPERANDS, IMODE_EXECUTE, AcpiPsGetOpcodeName (Opcode),
|
|
2, "after AcpiExResolveOperands");
|
|
|
|
/* Get all operands */
|
|
|
|
Status |= AcpiDsObjStackPopObject (&TimeDesc, WalkState);
|
|
Status |= AcpiDsObjStackPopObject (&ObjDesc, WalkState);
|
|
if (ACPI_FAILURE (Status))
|
|
{
|
|
/* Invalid parameters on object stack */
|
|
|
|
DEBUG_PRINTP (ACPI_ERROR, ("(%s) bad operand(s) %s\n",
|
|
AcpiPsGetOpcodeName (Opcode), AcpiFormatException (Status)));
|
|
|
|
goto Cleanup;
|
|
}
|
|
|
|
|
|
/* Create the internal return object */
|
|
|
|
RetDesc = AcpiUtCreateInternalObject (ACPI_TYPE_INTEGER);
|
|
if (!RetDesc)
|
|
{
|
|
Status = AE_NO_MEMORY;
|
|
goto Cleanup;
|
|
}
|
|
|
|
/* Default return value is FALSE, operation did not time out */
|
|
|
|
RetDesc->Integer.Value = 0;
|
|
|
|
|
|
/* Examine the opcode */
|
|
|
|
switch (Opcode)
|
|
{
|
|
|
|
/* DefAcquire := AcquireOp MutexObject Timeout */
|
|
|
|
case AML_ACQUIRE_OP:
|
|
|
|
Status = AcpiExAcquireMutex (TimeDesc, ObjDesc, WalkState);
|
|
break;
|
|
|
|
|
|
/* DefWait := WaitOp AcpiEventObject Timeout */
|
|
|
|
case AML_WAIT_OP:
|
|
|
|
Status = AcpiExSystemWaitEvent (TimeDesc, ObjDesc);
|
|
break;
|
|
|
|
|
|
default:
|
|
|
|
REPORT_ERROR (("AcpiExDyadic2S: Unknown dyadic synchronization opcode %X\n", Opcode));
|
|
Status = AE_AML_BAD_OPCODE;
|
|
goto Cleanup;
|
|
}
|
|
|
|
|
|
/*
|
|
* Return a boolean indicating if operation timed out
|
|
* (TRUE) or not (FALSE)
|
|
*/
|
|
|
|
if (Status == AE_TIME)
|
|
{
|
|
RetDesc->Integer.Value = ACPI_INTEGER_MAX; /* TRUE, op timed out */
|
|
Status = AE_OK;
|
|
}
|
|
|
|
|
|
Cleanup:
|
|
|
|
/* Delete params */
|
|
|
|
AcpiUtRemoveReference (TimeDesc);
|
|
AcpiUtRemoveReference (ObjDesc);
|
|
|
|
/* Delete return object on error */
|
|
|
|
if (ACPI_FAILURE (Status) &&
|
|
(RetDesc))
|
|
{
|
|
AcpiUtRemoveReference (RetDesc);
|
|
RetDesc = NULL;
|
|
}
|
|
|
|
|
|
/* Set the return object and exit */
|
|
|
|
*ReturnDesc = RetDesc;
|
|
return_ACPI_STATUS (Status);
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: AcpiExDyadic2
|
|
*
|
|
* PARAMETERS: Opcode - The opcode to be executed
|
|
* WalkState - Current walk state
|
|
* ReturnDesc - Where to store the return object
|
|
*
|
|
* RETURN: Status
|
|
*
|
|
* DESCRIPTION: Execute Type 2 dyadic operator with numeric operands and
|
|
* no result operands
|
|
*
|
|
* ALLOCATION: Deletes one operand descriptor -- other remains on stack
|
|
* containing result value
|
|
*
|
|
******************************************************************************/
|
|
|
|
ACPI_STATUS
|
|
AcpiExDyadic2 (
|
|
UINT16 Opcode,
|
|
ACPI_WALK_STATE *WalkState,
|
|
ACPI_OPERAND_OBJECT **ReturnDesc)
|
|
{
|
|
ACPI_OPERAND_OBJECT *ObjDesc;
|
|
ACPI_OPERAND_OBJECT *ObjDesc2;
|
|
ACPI_OPERAND_OBJECT *RetDesc = NULL;
|
|
ACPI_STATUS Status;
|
|
BOOLEAN Lboolean;
|
|
|
|
|
|
FUNCTION_TRACE_PTR ("ExDyadic2", WALK_OPERANDS);
|
|
|
|
|
|
/* Resolve all operands */
|
|
|
|
Status = AcpiExResolveOperands (Opcode, WALK_OPERANDS, WalkState);
|
|
DUMP_OPERANDS (WALK_OPERANDS, IMODE_EXECUTE, AcpiPsGetOpcodeName (Opcode),
|
|
2, "after AcpiExResolveOperands");
|
|
|
|
/* Get all operands */
|
|
|
|
Status |= AcpiDsObjStackPopObject (&ObjDesc2, WalkState);
|
|
Status |= AcpiDsObjStackPopObject (&ObjDesc, WalkState);
|
|
if (ACPI_FAILURE (Status))
|
|
{
|
|
/* Invalid parameters on object stack */
|
|
|
|
DEBUG_PRINTP (ACPI_ERROR, ("(%s) bad operand(s) %s\n",
|
|
AcpiPsGetOpcodeName (Opcode), AcpiFormatException (Status)));
|
|
|
|
goto Cleanup;
|
|
}
|
|
|
|
|
|
/* Create the internal return object */
|
|
|
|
RetDesc = AcpiUtCreateInternalObject (ACPI_TYPE_INTEGER);
|
|
if (!RetDesc)
|
|
{
|
|
Status = AE_NO_MEMORY;
|
|
goto Cleanup;
|
|
}
|
|
|
|
/*
|
|
* Execute the Opcode
|
|
*/
|
|
|
|
Lboolean = FALSE;
|
|
switch (Opcode)
|
|
{
|
|
|
|
/* DefLAnd := LAndOp Operand1 Operand2 */
|
|
|
|
case AML_LAND_OP:
|
|
|
|
Lboolean = (BOOLEAN) (ObjDesc->Integer.Value &&
|
|
ObjDesc2->Integer.Value);
|
|
break;
|
|
|
|
|
|
/* DefLEqual := LEqualOp Operand1 Operand2 */
|
|
|
|
case AML_LEQUAL_OP:
|
|
|
|
Lboolean = (BOOLEAN) (ObjDesc->Integer.Value ==
|
|
ObjDesc2->Integer.Value);
|
|
break;
|
|
|
|
|
|
/* DefLGreater := LGreaterOp Operand1 Operand2 */
|
|
|
|
case AML_LGREATER_OP:
|
|
|
|
Lboolean = (BOOLEAN) (ObjDesc->Integer.Value >
|
|
ObjDesc2->Integer.Value);
|
|
break;
|
|
|
|
|
|
/* DefLLess := LLessOp Operand1 Operand2 */
|
|
|
|
case AML_LLESS_OP:
|
|
|
|
Lboolean = (BOOLEAN) (ObjDesc->Integer.Value <
|
|
ObjDesc2->Integer.Value);
|
|
break;
|
|
|
|
|
|
/* DefLOr := LOrOp Operand1 Operand2 */
|
|
|
|
case AML_LOR_OP:
|
|
|
|
Lboolean = (BOOLEAN) (ObjDesc->Integer.Value ||
|
|
ObjDesc2->Integer.Value);
|
|
break;
|
|
|
|
|
|
/* DefCopy := Source, Destination */
|
|
|
|
case AML_COPY_OP: /* ACPI 2.0 */
|
|
|
|
Status = AE_NOT_IMPLEMENTED;
|
|
goto Cleanup;
|
|
break;
|
|
|
|
|
|
default:
|
|
|
|
REPORT_ERROR (("AcpiExDyadic2: Unknown dyadic opcode %X\n", Opcode));
|
|
Status = AE_AML_BAD_OPCODE;
|
|
goto Cleanup;
|
|
break;
|
|
}
|
|
|
|
|
|
/* Set return value to logical TRUE (all ones) or FALSE (zero) */
|
|
|
|
if (Lboolean)
|
|
{
|
|
RetDesc->Integer.Value = ACPI_INTEGER_MAX;
|
|
}
|
|
else
|
|
{
|
|
RetDesc->Integer.Value = 0;
|
|
}
|
|
|
|
|
|
Cleanup:
|
|
|
|
/* Always delete operands */
|
|
|
|
AcpiUtRemoveReference (ObjDesc);
|
|
AcpiUtRemoveReference (ObjDesc2);
|
|
|
|
|
|
/* Delete return object on error */
|
|
|
|
if (ACPI_FAILURE (Status) &&
|
|
(RetDesc))
|
|
{
|
|
AcpiUtRemoveReference (RetDesc);
|
|
RetDesc = NULL;
|
|
}
|
|
|
|
|
|
/* Set the return object and exit */
|
|
|
|
*ReturnDesc = RetDesc;
|
|
return_ACPI_STATUS (Status);
|
|
}
|
|
|
|
|