907 lines
25 KiB
C
907 lines
25 KiB
C
/******************************************************************************
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*
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* Module Name: amdyadic - ACPI AML (p-code) execution for dyadic operators
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* $Revision: 69 $
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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, 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 __AMDYADIC_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 INTERPRETER
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MODULE_NAME ("amdyadic")
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/*****************************************************************************
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*
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* FUNCTION: AcpiAmlExecDyadic1
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*
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* PARAMETERS: Opcode - The opcode to be executed
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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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AcpiAmlExecDyadic1 (
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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 ("AmlExecDyadic1", WALK_OPERANDS);
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/* Resolve all operands */
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Status = AcpiAmlResolveOperands (Opcode, WALK_OPERANDS, WalkState);
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DUMP_OPERANDS (WALK_OPERANDS, IMODE_EXECUTE, AcpiPsGetOpcodeName (Opcode),
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2, "after AcpiAmlResolveOperands");
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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_PRINT (ACPI_ERROR,
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("ExecDyadic1/%s: bad operand(s) (Status=%X)\n",
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AcpiPsGetOpcodeName (Opcode), 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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* Requires that Device and ThermalZone be compatible
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* mappings
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*/
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/* Dispatch the notify to the appropriate handler */
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AcpiEvNotifyDispatch (Node, (UINT32) ValDesc->Number.Value);
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break;
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default:
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DEBUG_PRINT (ACPI_ERROR,
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("AmlExecDyadic1/NotifyOp: 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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}
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}
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break;
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default:
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REPORT_ERROR (("AcpiAmlExecDyadic1: Unknown dyadic opcode %X\n",
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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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AcpiCmRemoveReference (ValDesc);
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AcpiCmRemoveReference (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: AcpiAmlExecDyadic2R
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*
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* PARAMETERS: Opcode - The opcode to be executed
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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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AcpiAmlExecDyadic2R (
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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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NATIVE_CHAR *NewBuf;
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FUNCTION_TRACE_U32 ("AmlExecDyadic2R", Opcode);
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/* Resolve all operands */
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Status = AcpiAmlResolveOperands (Opcode, WALK_OPERANDS, WalkState);
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DUMP_OPERANDS (WALK_OPERANDS, IMODE_EXECUTE, AcpiPsGetOpcodeName (Opcode),
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NumOperands, "after AcpiAmlResolveOperands");
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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_PRINT (ACPI_ERROR,
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("ExecDyadic2R/%s: bad operand(s) (Status=%X)\n",
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AcpiPsGetOpcodeName (Opcode), 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_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 = AcpiCmCreateInternalObject (ACPI_TYPE_NUMBER);
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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->Number.Value = ObjDesc->Number.Value +
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ObjDesc2->Number.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->Number.Value = ObjDesc->Number.Value &
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ObjDesc2->Number.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->Number.Value = ~(ObjDesc->Number.Value &
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ObjDesc2->Number.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->Number.Value = ObjDesc->Number.Value |
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ObjDesc2->Number.Value;
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break;
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/* DefNOr := NOrOp Operand1 Operand2 Result */
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case AML_BIT_NOR_OP:
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RetDesc->Number.Value = ~(ObjDesc->Number.Value |
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ObjDesc2->Number.Value);
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break;
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/* DefXOr := XOrOp Operand1 Operand2 Result */
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case AML_BIT_XOR_OP:
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RetDesc->Number.Value = ObjDesc->Number.Value ^
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ObjDesc2->Number.Value;
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break;
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/* DefDivide := DivideOp Dividend Divisor Remainder Quotient */
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case AML_DIVIDE_OP:
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if (!ObjDesc2->Number.Value)
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{
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REPORT_ERROR
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(("AmlExecDyadic2R/DivideOp: Divide by zero\n"));
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Status = AE_AML_DIVIDE_BY_ZERO;
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goto Cleanup;
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}
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RetDesc2 = AcpiCmCreateInternalObject (ACPI_TYPE_NUMBER);
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if (!RetDesc2)
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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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/* Remainder (modulo) */
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RetDesc->Number.Value = ACPI_MODULO (ObjDesc->Number.Value,
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ObjDesc2->Number.Value);
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/* Result (what we used to call the quotient) */
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RetDesc2->Number.Value = ACPI_DIVIDE (ObjDesc->Number.Value,
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ObjDesc2->Number.Value);
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break;
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/* DefMultiply := MultiplyOp Operand1 Operand2 Result */
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case AML_MULTIPLY_OP:
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RetDesc->Number.Value = ObjDesc->Number.Value *
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ObjDesc2->Number.Value;
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break;
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/* DefShiftLeft := ShiftLeftOp Operand ShiftCount Result */
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case AML_SHIFT_LEFT_OP:
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RetDesc->Number.Value = ObjDesc->Number.Value <<
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ObjDesc2->Number.Value;
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break;
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/* DefShiftRight := ShiftRightOp Operand ShiftCount Result */
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case AML_SHIFT_RIGHT_OP:
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RetDesc->Number.Value = ObjDesc->Number.Value >>
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ObjDesc2->Number.Value;
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break;
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/* DefSubtract := SubtractOp Operand1 Operand2 Result */
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case AML_SUBTRACT_OP:
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RetDesc->Number.Value = ObjDesc->Number.Value -
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ObjDesc2->Number.Value;
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break;
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/* DefConcat := ConcatOp Data1 Data2 Result */
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case AML_CONCAT_OP:
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if (ObjDesc2->Common.Type != ObjDesc->Common.Type)
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{
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DEBUG_PRINT (ACPI_ERROR,
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("AmlExecDyadic2R/ConcatOp: operand type mismatch %X != %X\n",
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ObjDesc->Common.Type, ObjDesc2->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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/* Both operands are now known to be the same */
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if (ACPI_TYPE_STRING == ObjDesc->Common.Type)
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{
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RetDesc = AcpiCmCreateInternalObject (ACPI_TYPE_STRING);
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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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/* Operand1 is string */
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NewBuf = AcpiCmAllocate (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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(("AmlExecDyadic2R/ConcatOp: 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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}
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else
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{
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/* Operand1 is not a string ==> must be a buffer */
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RetDesc = AcpiCmCreateInternalObject (ACPI_TYPE_BUFFER);
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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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NewBuf = AcpiCmAllocate (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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(("AmlExecDyadic2R/ConcatOp: 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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}
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break;
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default:
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REPORT_ERROR (("AcpiAmlExecDyadic2R: Unknown dyadic opcode %X\n", Opcode));
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Status = AE_AML_BAD_OPCODE;
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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 = AcpiAmlExecStore (RetDesc, ResDesc, WalkState);
|
|
if (ACPI_FAILURE (Status))
|
|
{
|
|
goto Cleanup;
|
|
}
|
|
|
|
if (AML_DIVIDE_OP == Opcode)
|
|
{
|
|
Status = AcpiAmlExecStore (RetDesc2, ResDesc2, WalkState);
|
|
|
|
/*
|
|
* Since the remainder is not returned, remove a reference to
|
|
* the object we created earlier
|
|
*/
|
|
|
|
AcpiCmRemoveReference (RetDesc2);
|
|
}
|
|
|
|
|
|
Cleanup:
|
|
|
|
/* Always delete the operands */
|
|
|
|
AcpiCmRemoveReference (ObjDesc);
|
|
AcpiCmRemoveReference (ObjDesc2);
|
|
|
|
|
|
/* Delete return object on error */
|
|
|
|
if (ACPI_FAILURE (Status))
|
|
{
|
|
/* On failure, delete the result ops */
|
|
|
|
AcpiCmRemoveReference (ResDesc);
|
|
AcpiCmRemoveReference (ResDesc2);
|
|
|
|
if (RetDesc)
|
|
{
|
|
/* And delete the internal return object */
|
|
|
|
AcpiCmRemoveReference (RetDesc);
|
|
RetDesc = NULL;
|
|
}
|
|
}
|
|
|
|
/* Set the return object and exit */
|
|
|
|
*ReturnDesc = RetDesc;
|
|
return_ACPI_STATUS (Status);
|
|
}
|
|
|
|
|
|
/*****************************************************************************
|
|
*
|
|
* FUNCTION: AcpiAmlExecDyadic2S
|
|
*
|
|
* PARAMETERS: Opcode - The opcode to be executed
|
|
*
|
|
* RETURN: Status
|
|
*
|
|
* DESCRIPTION: Execute Type 2 dyadic synchronization operator
|
|
*
|
|
* ALLOCATION: Deletes one operand descriptor -- other remains on stack
|
|
*
|
|
****************************************************************************/
|
|
|
|
ACPI_STATUS
|
|
AcpiAmlExecDyadic2S (
|
|
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 ("AmlExecDyadic2S", WALK_OPERANDS);
|
|
|
|
|
|
/* Resolve all operands */
|
|
|
|
Status = AcpiAmlResolveOperands (Opcode, WALK_OPERANDS, WalkState);
|
|
DUMP_OPERANDS (WALK_OPERANDS, IMODE_EXECUTE, AcpiPsGetOpcodeName (Opcode),
|
|
2, "after AcpiAmlResolveOperands");
|
|
|
|
/* Get all operands */
|
|
|
|
Status |= AcpiDsObjStackPopObject (&TimeDesc, WalkState);
|
|
Status |= AcpiDsObjStackPopObject (&ObjDesc, WalkState);
|
|
if (ACPI_FAILURE (Status))
|
|
{
|
|
/* Invalid parameters on object stack */
|
|
|
|
DEBUG_PRINT (ACPI_ERROR,
|
|
("ExecDyadic2S/%s: bad operand(s) (Status=%X)\n",
|
|
AcpiPsGetOpcodeName (Opcode), Status));
|
|
|
|
goto Cleanup;
|
|
}
|
|
|
|
|
|
/* Create the internal return object */
|
|
|
|
RetDesc = AcpiCmCreateInternalObject (ACPI_TYPE_NUMBER);
|
|
if (!RetDesc)
|
|
{
|
|
Status = AE_NO_MEMORY;
|
|
goto Cleanup;
|
|
}
|
|
|
|
/* Default return value is FALSE, operation did not time out */
|
|
|
|
RetDesc->Number.Value = 0;
|
|
|
|
|
|
/* Examine the opcode */
|
|
|
|
switch (Opcode)
|
|
{
|
|
|
|
/* DefAcquire := AcquireOp MutexObject Timeout */
|
|
|
|
case AML_ACQUIRE_OP:
|
|
|
|
Status = AcpiAmlSystemAcquireMutex (TimeDesc, ObjDesc);
|
|
break;
|
|
|
|
|
|
/* DefWait := WaitOp AcpiEventObject Timeout */
|
|
|
|
case AML_WAIT_OP:
|
|
|
|
Status = AcpiAmlSystemWaitEvent (TimeDesc, ObjDesc);
|
|
break;
|
|
|
|
|
|
default:
|
|
|
|
REPORT_ERROR (("AcpiAmlExecDyadic2S: 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->Number.Value = ACPI_INTEGER_MAX; /* TRUE, op timed out */
|
|
Status = AE_OK;
|
|
}
|
|
|
|
|
|
Cleanup:
|
|
|
|
/* Delete params */
|
|
|
|
AcpiCmRemoveReference (TimeDesc);
|
|
AcpiCmRemoveReference (ObjDesc);
|
|
|
|
/* Delete return object on error */
|
|
|
|
if (ACPI_FAILURE (Status) &&
|
|
(RetDesc))
|
|
{
|
|
AcpiCmRemoveReference (RetDesc);
|
|
RetDesc = NULL;
|
|
}
|
|
|
|
|
|
/* Set the return object and exit */
|
|
|
|
*ReturnDesc = RetDesc;
|
|
return_ACPI_STATUS (Status);
|
|
}
|
|
|
|
|
|
/*****************************************************************************
|
|
*
|
|
* FUNCTION: AcpiAmlExecDyadic2
|
|
*
|
|
* PARAMETERS: Opcode - The opcode to be executed
|
|
*
|
|
* 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
|
|
AcpiAmlExecDyadic2 (
|
|
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 ("AmlExecDyadic2", WALK_OPERANDS);
|
|
|
|
|
|
/* Resolve all operands */
|
|
|
|
Status = AcpiAmlResolveOperands (Opcode, WALK_OPERANDS, WalkState);
|
|
DUMP_OPERANDS (WALK_OPERANDS, IMODE_EXECUTE, AcpiPsGetOpcodeName (Opcode),
|
|
2, "after AcpiAmlResolveOperands");
|
|
|
|
/* Get all operands */
|
|
|
|
Status |= AcpiDsObjStackPopObject (&ObjDesc2, WalkState);
|
|
Status |= AcpiDsObjStackPopObject (&ObjDesc, WalkState);
|
|
if (ACPI_FAILURE (Status))
|
|
{
|
|
/* Invalid parameters on object stack */
|
|
|
|
DEBUG_PRINT (ACPI_ERROR,
|
|
("ExecDyadic2/%s: bad operand(s) (Status=%X)\n",
|
|
AcpiPsGetOpcodeName (Opcode), Status));
|
|
|
|
goto Cleanup;
|
|
}
|
|
|
|
|
|
/* Create the internal return object */
|
|
|
|
RetDesc = AcpiCmCreateInternalObject (ACPI_TYPE_NUMBER);
|
|
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->Number.Value &&
|
|
ObjDesc2->Number.Value);
|
|
break;
|
|
|
|
|
|
/* DefLEqual := LEqualOp Operand1 Operand2 */
|
|
|
|
case AML_LEQUAL_OP:
|
|
|
|
Lboolean = (BOOLEAN) (ObjDesc->Number.Value ==
|
|
ObjDesc2->Number.Value);
|
|
break;
|
|
|
|
|
|
/* DefLGreater := LGreaterOp Operand1 Operand2 */
|
|
|
|
case AML_LGREATER_OP:
|
|
|
|
Lboolean = (BOOLEAN) (ObjDesc->Number.Value >
|
|
ObjDesc2->Number.Value);
|
|
break;
|
|
|
|
|
|
/* DefLLess := LLessOp Operand1 Operand2 */
|
|
|
|
case AML_LLESS_OP:
|
|
|
|
Lboolean = (BOOLEAN) (ObjDesc->Number.Value <
|
|
ObjDesc2->Number.Value);
|
|
break;
|
|
|
|
|
|
/* DefLOr := LOrOp Operand1 Operand2 */
|
|
|
|
case AML_LOR_OP:
|
|
|
|
Lboolean = (BOOLEAN) (ObjDesc->Number.Value ||
|
|
ObjDesc2->Number.Value);
|
|
break;
|
|
|
|
|
|
default:
|
|
|
|
REPORT_ERROR (("AcpiAmlExecDyadic2: 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->Number.Value = ACPI_INTEGER_MAX;
|
|
}
|
|
else
|
|
{
|
|
RetDesc->Number.Value = 0;
|
|
}
|
|
|
|
|
|
Cleanup:
|
|
|
|
/* Always delete operands */
|
|
|
|
AcpiCmRemoveReference (ObjDesc);
|
|
AcpiCmRemoveReference (ObjDesc2);
|
|
|
|
|
|
/* Delete return object on error */
|
|
|
|
if (ACPI_FAILURE (Status) &&
|
|
(RetDesc))
|
|
{
|
|
AcpiCmRemoveReference (RetDesc);
|
|
RetDesc = NULL;
|
|
}
|
|
|
|
|
|
/* Set the return object and exit */
|
|
|
|
*ReturnDesc = RetDesc;
|
|
return_ACPI_STATUS (Status);
|
|
}
|
|
|
|
|