883 lines
25 KiB
C
883 lines
25 KiB
C
/******************************************************************************
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*
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* Module Name: amcreate - Named object creation
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* $Revision: 53 $
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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 __AMCREATE_C__
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#include "acpi.h"
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#include "acparser.h"
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#include "acinterp.h"
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#include "amlcode.h"
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#include "acnamesp.h"
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#include "acevents.h"
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#include "acdispat.h"
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#define _COMPONENT INTERPRETER
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MODULE_NAME ("amcreate")
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/*******************************************************************************
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*
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* FUNCTION: AcpiAmlExecCreateField
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*
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* PARAMETERS: Opcode - The opcode to be executed
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* Operands - List of operands for the opcode
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*
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* RETURN: Status
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*
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* DESCRIPTION: Execute CreateField operators: CreateBitFieldOp,
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* CreateByteFieldOp, CreateWordFieldOp, CreateDWordFieldOp,
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* CreateFieldOp (which define fields in buffers)
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*
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* ALLOCATION: Deletes CreateFieldOp's count operand descriptor
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*
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*
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* ACPI SPECIFICATION REFERENCES:
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* DefCreateBitField := CreateBitFieldOp SrcBuf BitIdx NameString
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* DefCreateByteField := CreateByteFieldOp SrcBuf ByteIdx NameString
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* DefCreateDWordField := CreateDWordFieldOp SrcBuf ByteIdx NameString
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* DefCreateField := CreateFieldOp SrcBuf BitIdx NumBits NameString
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* DefCreateWordField := CreateWordFieldOp SrcBuf ByteIdx NameString
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* BitIndex := TermArg=>Integer
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* ByteIndex := TermArg=>Integer
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* NumBits := TermArg=>Integer
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* SourceBuff := TermArg=>Buffer
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*
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******************************************************************************/
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ACPI_STATUS
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AcpiAmlExecCreateField (
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UINT8 *AmlPtr,
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UINT32 AmlLength,
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ACPI_NAMESPACE_NODE *Node,
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ACPI_WALK_STATE *WalkState)
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{
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ACPI_STATUS Status;
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ACPI_OPERAND_OBJECT *ObjDesc;
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ACPI_OPERAND_OBJECT *TmpDesc;
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FUNCTION_TRACE ("AmlExecCreateField");
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/* Create the region descriptor */
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ObjDesc = AcpiCmCreateInternalObject (ACPI_TYPE_FIELD_UNIT);
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if (!ObjDesc)
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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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/* Construct the field object */
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ObjDesc->FieldUnit.Access = (UINT8) ACCESS_ANY_ACC;
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ObjDesc->FieldUnit.LockRule = (UINT8) GLOCK_NEVER_LOCK;
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ObjDesc->FieldUnit.UpdateRule = (UINT8) UPDATE_PRESERVE;
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/*
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* Allocate a method object for this field unit
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*/
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ObjDesc->FieldUnit.Extra = AcpiCmCreateInternalObject (
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INTERNAL_TYPE_EXTRA);
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if (!ObjDesc->FieldUnit.Extra)
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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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/*
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* Remember location in AML stream of the field unit
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* opcode and operands -- since the buffer and index
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* operands must be evaluated.
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*/
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ObjDesc->FieldUnit.Extra->Extra.Pcode = AmlPtr;
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ObjDesc->FieldUnit.Extra->Extra.PcodeLength = AmlLength;
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ObjDesc->FieldUnit.Node = Node;
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/*
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* This operation is supposed to cause the destination Name to refer
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* to the defined FieldUnit -- it must not store the constructed
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* FieldUnit object (or its current value) in some location that the
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* Name may already be pointing to. So, if the Name currently contains
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* a reference which would cause AcpiAmlExecStore() to perform an indirect
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* store rather than setting the value of the Name itself, clobber that
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* reference before calling AcpiAmlExecStore().
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*/
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/* Type of Name's existing value */
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switch (AcpiNsGetType (Node))
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{
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case ACPI_TYPE_FIELD_UNIT:
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case INTERNAL_TYPE_ALIAS:
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case INTERNAL_TYPE_BANK_FIELD:
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case INTERNAL_TYPE_DEF_FIELD:
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case INTERNAL_TYPE_INDEX_FIELD:
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TmpDesc = AcpiNsGetAttachedObject (Node);
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if (TmpDesc)
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{
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/*
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* There is an existing object here; delete it and zero out the
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* object field within the Node
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*/
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DUMP_PATHNAME (Node,
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"AmlExecCreateField: Removing Current Reference",
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TRACE_BFIELD, _COMPONENT);
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DUMP_ENTRY (Node, TRACE_BFIELD);
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DUMP_STACK_ENTRY (TmpDesc);
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AcpiCmRemoveReference (TmpDesc);
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AcpiNsAttachObject ((ACPI_NAMESPACE_NODE *) Node, NULL,
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ACPI_TYPE_ANY);
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}
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/* Set the type to ANY (or the store below will fail) */
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((ACPI_NAMESPACE_NODE *) Node)->Type = ACPI_TYPE_ANY;
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break;
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default:
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break;
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}
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/* Store constructed field descriptor in result location */
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Status = AcpiAmlExecStore (ObjDesc, (ACPI_OPERAND_OBJECT *) Node, WalkState);
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/*
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* If the field descriptor was not physically stored (or if a failure
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* above), we must delete it
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*/
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if (ObjDesc->Common.ReferenceCount <= 1)
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{
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AcpiCmRemoveReference (ObjDesc);
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}
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return_ACPI_STATUS (AE_OK);
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Cleanup:
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/* Delete region object and method subobject */
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if (ObjDesc)
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{
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/* Remove deletes both objects! */
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AcpiCmRemoveReference (ObjDesc);
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ObjDesc = NULL;
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}
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return_ACPI_STATUS (Status);
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}
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/*****************************************************************************
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*
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* FUNCTION: AcpiAmlExecCreateAlias
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*
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* PARAMETERS: Operands - List of operands for the opcode
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*
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* RETURN: Status
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*
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* DESCRIPTION: Create a new named alias
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*
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****************************************************************************/
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ACPI_STATUS
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AcpiAmlExecCreateAlias (
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ACPI_WALK_STATE *WalkState)
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{
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ACPI_NAMESPACE_NODE *SourceNode;
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ACPI_NAMESPACE_NODE *AliasNode;
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ACPI_STATUS Status;
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FUNCTION_TRACE ("AmlExecCreateAlias");
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/* Get the source/alias operands (both NTEs) */
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Status = AcpiDsObjStackPopObject ((ACPI_OPERAND_OBJECT **) &SourceNode,
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WalkState);
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if (ACPI_FAILURE (Status))
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{
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return_ACPI_STATUS (Status);
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}
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/*
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* Don't pop it, it gets removed in the calling routine
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*/
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AliasNode = AcpiDsObjStackGetValue (0, WalkState);
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/* Add an additional reference to the object */
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AcpiCmAddReference (SourceNode->Object);
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/*
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* Attach the original source Node to the new Alias Node.
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*/
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Status = AcpiNsAttachObject (AliasNode, SourceNode->Object,
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SourceNode->Type);
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/*
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* The new alias assumes the type of the source, but it points
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* to the same object. The reference count of the object has two
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* additional references to prevent deletion out from under either the
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* source or the alias Node
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*/
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/* Since both operands are NTEs, we don't need to delete them */
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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: AcpiAmlExecCreateEvent
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*
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* PARAMETERS: None
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*
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* RETURN: Status
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*
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* DESCRIPTION: Create a new event object
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*
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****************************************************************************/
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ACPI_STATUS
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AcpiAmlExecCreateEvent (
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ACPI_WALK_STATE *WalkState)
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{
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ACPI_STATUS Status;
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ACPI_OPERAND_OBJECT *ObjDesc;
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FUNCTION_TRACE ("AmlExecCreateEvent");
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BREAKPOINT3;
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ObjDesc = AcpiCmCreateInternalObject (ACPI_TYPE_EVENT);
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if (!ObjDesc)
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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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/* Create the actual OS semaphore */
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/* TBD: [Investigate] should be created with 0 or 1 units? */
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Status = AcpiOsCreateSemaphore (ACPI_NO_UNIT_LIMIT, 1,
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&ObjDesc->Event.Semaphore);
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if (ACPI_FAILURE (Status))
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{
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AcpiCmRemoveReference (ObjDesc);
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goto Cleanup;
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}
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/* Attach object to the Node */
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Status = AcpiNsAttachObject (AcpiDsObjStackGetValue (0, WalkState),
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ObjDesc, (UINT8) ACPI_TYPE_EVENT);
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if (ACPI_FAILURE (Status))
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{
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AcpiOsDeleteSemaphore (ObjDesc->Event.Semaphore);
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AcpiCmRemoveReference (ObjDesc);
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goto Cleanup;
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}
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Cleanup:
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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: AcpiAmlExecCreateMutex
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*
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* PARAMETERS: InterpreterMode - Current running mode (load1/Load2/Exec)
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* Operands - List of operands for the opcode
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*
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* RETURN: Status
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*
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* DESCRIPTION: Create a new mutex object
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*
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****************************************************************************/
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ACPI_STATUS
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AcpiAmlExecCreateMutex (
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ACPI_WALK_STATE *WalkState)
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{
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ACPI_STATUS Status = AE_OK;
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ACPI_OPERAND_OBJECT *SyncDesc;
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ACPI_OPERAND_OBJECT *ObjDesc;
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FUNCTION_TRACE_PTR ("AmlExecCreateMutex", WALK_OPERANDS);
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/* Get the operand */
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Status = AcpiDsObjStackPopObject (&SyncDesc, WalkState);
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if (ACPI_FAILURE (Status))
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{
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return_ACPI_STATUS (Status);
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}
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/* Attempt to allocate a new object */
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ObjDesc = AcpiCmCreateInternalObject (ACPI_TYPE_MUTEX);
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if (!ObjDesc)
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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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/* Create the actual OS semaphore */
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Status = AcpiOsCreateSemaphore (1, 1, &ObjDesc->Mutex.Semaphore);
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if (ACPI_FAILURE (Status))
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{
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AcpiCmRemoveReference (ObjDesc);
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goto Cleanup;
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}
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ObjDesc->Mutex.SyncLevel = (UINT8) SyncDesc->Integer.Value;
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/* ObjDesc was on the stack top, and the name is below it */
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Status = AcpiNsAttachObject (AcpiDsObjStackGetValue (0, WalkState),
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ObjDesc, (UINT8) ACPI_TYPE_MUTEX);
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if (ACPI_FAILURE (Status))
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{
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AcpiOsDeleteSemaphore (ObjDesc->Mutex.Semaphore);
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AcpiCmRemoveReference (ObjDesc);
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goto Cleanup;
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}
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Cleanup:
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/* Always delete the operand */
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AcpiCmRemoveReference (SyncDesc);
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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: AcpiAmlExecCreateRegion
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*
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* PARAMETERS: AmlPtr - Pointer to the region declaration AML
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* AmlLength - Max length of the declaration AML
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* Operands - List of operands for the opcode
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* InterpreterMode - Load1/Load2/Execute
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*
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* RETURN: Status
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*
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* DESCRIPTION: Create a new operation region object
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*
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****************************************************************************/
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ACPI_STATUS
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AcpiAmlExecCreateRegion (
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UINT8 *AmlPtr,
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UINT32 AmlLength,
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UINT8 RegionSpace,
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ACPI_WALK_STATE *WalkState)
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{
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ACPI_STATUS Status;
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ACPI_OPERAND_OBJECT *ObjDesc;
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ACPI_NAMESPACE_NODE *Node;
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FUNCTION_TRACE ("AmlExecCreateRegion");
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/*
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* Space ID must be one of the predefined IDs, or in the user-defined
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* range
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*/
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if ((RegionSpace >= NUM_REGION_TYPES) &&
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(RegionSpace < USER_REGION_BEGIN))
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{
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REPORT_ERROR (("Invalid AddressSpace type %X\n", RegionSpace));
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return_ACPI_STATUS (AE_AML_INVALID_SPACE_ID);
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}
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DEBUG_PRINT (TRACE_LOAD, ("AmlExecCreateRegion: Region Type - %s (%X)\n",
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AcpiCmGetRegionName (RegionSpace), RegionSpace));
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/* Get the Node from the object stack */
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Node = (ACPI_NAMESPACE_NODE *) AcpiDsObjStackGetValue (0, WalkState);
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/* Create the region descriptor */
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ObjDesc = AcpiCmCreateInternalObject (ACPI_TYPE_REGION);
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if (!ObjDesc)
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{
|
|
Status = AE_NO_MEMORY;
|
|
goto Cleanup;
|
|
}
|
|
|
|
/*
|
|
* Allocate a method object for this region.
|
|
*/
|
|
|
|
ObjDesc->Region.Extra = AcpiCmCreateInternalObject (
|
|
INTERNAL_TYPE_EXTRA);
|
|
if (!ObjDesc->Region.Extra)
|
|
{
|
|
Status = AE_NO_MEMORY;
|
|
goto Cleanup;
|
|
}
|
|
|
|
/*
|
|
* Remember location in AML stream of address & length
|
|
* operands since they need to be evaluated at run time.
|
|
*/
|
|
|
|
ObjDesc->Region.Extra->Extra.Pcode = AmlPtr;
|
|
ObjDesc->Region.Extra->Extra.PcodeLength = AmlLength;
|
|
|
|
/* Init the region from the operands */
|
|
|
|
ObjDesc->Region.SpaceId = RegionSpace;
|
|
ObjDesc->Region.Address = 0;
|
|
ObjDesc->Region.Length = 0;
|
|
|
|
|
|
/* Install the new region object in the parent Node */
|
|
|
|
ObjDesc->Region.Node = Node;
|
|
|
|
Status = AcpiNsAttachObject (Node, ObjDesc,
|
|
(UINT8) ACPI_TYPE_REGION);
|
|
|
|
if (ACPI_FAILURE (Status))
|
|
{
|
|
goto Cleanup;
|
|
}
|
|
|
|
/*
|
|
* If we have a valid region, initialize it
|
|
* Namespace is NOT locked at this point.
|
|
*/
|
|
|
|
Status = AcpiEvInitializeRegion (ObjDesc, FALSE);
|
|
|
|
if (ACPI_FAILURE (Status))
|
|
{
|
|
/*
|
|
* If AE_NOT_EXIST is returned, it is not fatal
|
|
* because many regions get created before a handler
|
|
* is installed for said region.
|
|
*/
|
|
if (AE_NOT_EXIST == Status)
|
|
{
|
|
Status = AE_OK;
|
|
}
|
|
}
|
|
|
|
Cleanup:
|
|
|
|
if (ACPI_FAILURE (Status))
|
|
{
|
|
/* Delete region object and method subobject */
|
|
|
|
if (ObjDesc)
|
|
{
|
|
/* Remove deletes both objects! */
|
|
|
|
AcpiCmRemoveReference (ObjDesc);
|
|
ObjDesc = NULL;
|
|
}
|
|
}
|
|
|
|
return_ACPI_STATUS (Status);
|
|
}
|
|
|
|
|
|
/*****************************************************************************
|
|
*
|
|
* FUNCTION: AcpiAmlExecCreateProcessor
|
|
*
|
|
* PARAMETERS: Op - Op containing the Processor definition and
|
|
* args
|
|
* ProcessorNTE - Node for the containing Node
|
|
*
|
|
* RETURN: Status
|
|
*
|
|
* DESCRIPTION: Create a new processor object and populate the fields
|
|
*
|
|
****************************************************************************/
|
|
|
|
ACPI_STATUS
|
|
AcpiAmlExecCreateProcessor (
|
|
ACPI_PARSE_OBJECT *Op,
|
|
ACPI_HANDLE ProcessorNTE)
|
|
{
|
|
ACPI_STATUS Status;
|
|
ACPI_PARSE_OBJECT *Arg;
|
|
ACPI_OPERAND_OBJECT *ObjDesc;
|
|
|
|
|
|
FUNCTION_TRACE_PTR ("AmlExecCreateProcessor", Op);
|
|
|
|
|
|
ObjDesc = AcpiCmCreateInternalObject (ACPI_TYPE_PROCESSOR);
|
|
if (!ObjDesc)
|
|
{
|
|
Status = AE_NO_MEMORY;
|
|
return_ACPI_STATUS (Status);
|
|
}
|
|
|
|
/* Install the new processor object in the parent Node */
|
|
|
|
Status = AcpiNsAttachObject (ProcessorNTE, ObjDesc,
|
|
(UINT8) ACPI_TYPE_PROCESSOR);
|
|
if (ACPI_FAILURE (Status))
|
|
{
|
|
return_ACPI_STATUS(Status);
|
|
}
|
|
|
|
Arg = Op->Value.Arg;
|
|
|
|
/* check existence */
|
|
|
|
if (!Arg)
|
|
{
|
|
Status = AE_AML_NO_OPERAND;
|
|
return_ACPI_STATUS (Status);
|
|
}
|
|
|
|
/* First arg is the Processor ID */
|
|
|
|
ObjDesc->Processor.ProcId = (UINT8) Arg->Value.Integer;
|
|
|
|
/* Move to next arg and check existence */
|
|
|
|
Arg = Arg->Next;
|
|
if (!Arg)
|
|
{
|
|
Status = AE_AML_NO_OPERAND;
|
|
return_ACPI_STATUS (Status);
|
|
}
|
|
|
|
/* Second arg is the PBlock Address */
|
|
|
|
ObjDesc->Processor.Address = (ACPI_IO_ADDRESS) Arg->Value.Integer;
|
|
|
|
/* Move to next arg and check existence */
|
|
|
|
Arg = Arg->Next;
|
|
if (!Arg)
|
|
{
|
|
Status = AE_AML_NO_OPERAND;
|
|
return_ACPI_STATUS (Status);
|
|
}
|
|
|
|
/* Third arg is the PBlock Length */
|
|
|
|
ObjDesc->Processor.Length = (UINT8) Arg->Value.Integer;
|
|
|
|
return_ACPI_STATUS (AE_OK);
|
|
}
|
|
|
|
|
|
/*****************************************************************************
|
|
*
|
|
* FUNCTION: AcpiAmlExecCreatePowerResource
|
|
*
|
|
* PARAMETERS: Op - Op containing the PowerResource definition
|
|
* and args
|
|
* PowerResNTE - Node for the containing Node
|
|
*
|
|
* RETURN: Status
|
|
*
|
|
* DESCRIPTION: Create a new PowerResource object and populate the fields
|
|
*
|
|
****************************************************************************/
|
|
|
|
ACPI_STATUS
|
|
AcpiAmlExecCreatePowerResource (
|
|
ACPI_PARSE_OBJECT *Op,
|
|
ACPI_HANDLE PowerResNTE)
|
|
{
|
|
ACPI_STATUS Status;
|
|
ACPI_PARSE_OBJECT *Arg;
|
|
ACPI_OPERAND_OBJECT *ObjDesc;
|
|
|
|
|
|
FUNCTION_TRACE_PTR ("AmlExecCreatePowerResource", Op);
|
|
|
|
|
|
ObjDesc = AcpiCmCreateInternalObject (ACPI_TYPE_POWER);
|
|
if (!ObjDesc)
|
|
{
|
|
Status = AE_NO_MEMORY;
|
|
return_ACPI_STATUS (Status);
|
|
}
|
|
|
|
/* Install the new power resource object in the parent Node */
|
|
|
|
Status = AcpiNsAttachObject (PowerResNTE, ObjDesc,
|
|
(UINT8) ACPI_TYPE_POWER);
|
|
if (ACPI_FAILURE (Status))
|
|
{
|
|
return_ACPI_STATUS(Status);
|
|
}
|
|
|
|
Arg = Op->Value.Arg;
|
|
|
|
/* check existence */
|
|
|
|
if (!Arg)
|
|
{
|
|
Status = AE_AML_NO_OPERAND;
|
|
return_ACPI_STATUS (Status);
|
|
}
|
|
|
|
/* First arg is the SystemLevel */
|
|
|
|
ObjDesc->PowerResource.SystemLevel = (UINT8) Arg->Value.Integer;
|
|
|
|
/* Move to next arg and check existence */
|
|
|
|
Arg = Arg->Next;
|
|
if (!Arg)
|
|
{
|
|
Status = AE_AML_NO_OPERAND;
|
|
return_ACPI_STATUS (Status);
|
|
}
|
|
|
|
/* Second arg is the PBlock Address */
|
|
|
|
ObjDesc->PowerResource.ResourceOrder = (UINT16) Arg->Value.Integer;
|
|
|
|
return_ACPI_STATUS (AE_OK);
|
|
}
|
|
|
|
|
|
/*****************************************************************************
|
|
*
|
|
* FUNCTION: AcpiAmlExecCreateMethod
|
|
*
|
|
* PARAMETERS: AmlPtr - First byte of the method's AML
|
|
* AmlLength - AML byte count for this method
|
|
* MethodFlags - AML method flag byte
|
|
* Method - Method Node
|
|
*
|
|
* RETURN: Status
|
|
*
|
|
* DESCRIPTION: Create a new method object
|
|
*
|
|
****************************************************************************/
|
|
|
|
ACPI_STATUS
|
|
AcpiAmlExecCreateMethod (
|
|
UINT8 *AmlPtr,
|
|
UINT32 AmlLength,
|
|
UINT32 MethodFlags,
|
|
ACPI_HANDLE Method)
|
|
{
|
|
ACPI_OPERAND_OBJECT *ObjDesc;
|
|
ACPI_STATUS Status;
|
|
|
|
|
|
FUNCTION_TRACE_PTR ("AmlExecCreateMethod", Method);
|
|
|
|
|
|
/* Create a new method object */
|
|
|
|
ObjDesc = AcpiCmCreateInternalObject (ACPI_TYPE_METHOD);
|
|
if (!ObjDesc)
|
|
{
|
|
return_ACPI_STATUS (AE_NO_MEMORY);
|
|
}
|
|
|
|
/* Get the method's AML pointer/length from the Op */
|
|
|
|
ObjDesc->Method.Pcode = AmlPtr;
|
|
ObjDesc->Method.PcodeLength = AmlLength;
|
|
|
|
/*
|
|
* First argument is the Method Flags (contains parameter count for the
|
|
* method)
|
|
*/
|
|
|
|
ObjDesc->Method.MethodFlags = (UINT8) MethodFlags;
|
|
ObjDesc->Method.ParamCount = (UINT8) (MethodFlags &
|
|
METHOD_FLAGS_ARG_COUNT);
|
|
|
|
/*
|
|
* Get the concurrency count. If required, a semaphore will be
|
|
* created for this method when it is parsed.
|
|
*
|
|
* TBD: [Future] for APCI 2.0, there will be a SyncLevel value, not
|
|
* just a flag
|
|
* Concurrency = SyncLevel + 1;.
|
|
*/
|
|
|
|
if (MethodFlags & METHOD_FLAGS_SERIALIZED)
|
|
{
|
|
ObjDesc->Method.Concurrency = 1;
|
|
}
|
|
|
|
else
|
|
{
|
|
ObjDesc->Method.Concurrency = INFINITE_CONCURRENCY;
|
|
}
|
|
|
|
/* Attach the new object to the method Node */
|
|
|
|
Status = AcpiNsAttachObject (Method, ObjDesc, (UINT8) ACPI_TYPE_METHOD);
|
|
if (ACPI_FAILURE (Status))
|
|
{
|
|
AcpiCmDeleteObjectDesc (ObjDesc);
|
|
}
|
|
|
|
return_ACPI_STATUS (Status);
|
|
}
|
|
|
|
|