633 lines
22 KiB
C
633 lines
22 KiB
C
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/******************************************************************************
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*
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* Module Name: aslresource - Resource templates and descriptors
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* $Revision: 32 $
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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 - 2004, 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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#include "aslcompiler.h"
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#include "aslcompiler.y.h"
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#include "amlcode.h"
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#define _COMPONENT ACPI_COMPILER
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ACPI_MODULE_NAME ("aslresource")
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/*******************************************************************************
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*
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* FUNCTION: RsAllocateResourceNode
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*
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* PARAMETERS: Size - Size of node in bytes
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*
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* RETURN: The allocated node - aborts on allocation failure
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*
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* DESCRIPTION: Allocate a resource description node and the resource
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* descriptor itself (the nodes are used to link descriptors).
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*
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******************************************************************************/
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ASL_RESOURCE_NODE *
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RsAllocateResourceNode (
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UINT32 Size)
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{
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ASL_RESOURCE_NODE *Rnode;
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/* Allocate the node */
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Rnode = UtLocalCalloc (sizeof (ASL_RESOURCE_NODE));
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/* Allocate the resource descriptor itself */
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Rnode->Buffer = UtLocalCalloc (Size);
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Rnode->BufferLength = Size;
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return (Rnode);
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}
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/*******************************************************************************
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*
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* FUNCTION: RsCreateBitField
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*
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* PARAMETERS: Op - Resource field node
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* Name - Name of the field (Used only to reference
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* the field in the ASL, not in the AML)
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* ByteOffset - Offset from the field start
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* BitOffset - Additional bit offset
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*
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* RETURN: None, sets fields within the input node
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*
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* DESCRIPTION: Utility function to generate a named bit field within a
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* resource descriptor. Mark a node as 1) a field in a resource
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* descriptor, and 2) set the value to be a BIT offset
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*
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******************************************************************************/
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void
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RsCreateBitField (
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ACPI_PARSE_OBJECT *Op,
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char *Name,
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UINT32 ByteOffset,
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UINT32 BitOffset)
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{
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Op->Asl.ExternalName = Name;
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Op->Asl.Value.Integer = (ByteOffset * 8) + BitOffset;
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Op->Asl.CompileFlags |= (NODE_IS_RESOURCE_FIELD | NODE_IS_BIT_OFFSET);
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}
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/*******************************************************************************
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*
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* FUNCTION: RsCreateByteField
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*
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* PARAMETERS: Op - Resource field node
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* Name - Name of the field (Used only to reference
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* the field in the ASL, not in the AML)
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* ByteOffset - Offset from the field start
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*
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* RETURN: None, sets fields within the input node
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*
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* DESCRIPTION: Utility function to generate a named byte field within a
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* resource descriptor. Mark a node as 1) a field in a resource
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* descriptor, and 2) set the value to be a BYTE offset
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*
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******************************************************************************/
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void
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RsCreateByteField (
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ACPI_PARSE_OBJECT *Op,
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char *Name,
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UINT32 ByteOffset)
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{
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Op->Asl.ExternalName = Name;
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Op->Asl.Value.Integer = ByteOffset;
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Op->Asl.CompileFlags |= NODE_IS_RESOURCE_FIELD;
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}
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/*******************************************************************************
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*
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* FUNCTION: RsSetFlagBits
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*
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* PARAMETERS: *Flags - Pointer to the flag byte
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* Op - Flag initialization node
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* Position - Bit position within the flag byte
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* Default - Used if the node is DEFAULT.
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*
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* RETURN: Sets bits within the *Flags output byte.
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*
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* DESCRIPTION: Set a bit in a cumulative flags word from an initialization
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* node. Will use a default value if the node is DEFAULT, meaning
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* that no value was specified in the ASL. Used to merge multiple
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* keywords into a single flags byte.
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*
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******************************************************************************/
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void
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RsSetFlagBits (
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UINT8 *Flags,
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ACPI_PARSE_OBJECT *Op,
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UINT8 Position,
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UINT8 DefaultBit)
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{
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if (Op->Asl.ParseOpcode == PARSEOP_DEFAULT_ARG)
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{
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/* Use the default bit */
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*Flags |= (DefaultBit << Position);
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}
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else
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{
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/* Use the bit specified in the initialization node */
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*Flags |= (((UINT8) Op->Asl.Value.Integer) << Position);
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}
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}
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/*******************************************************************************
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*
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* FUNCTION: RsCompleteNodeAndGetNext
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*
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* PARAMETERS: Op - Resource node to be completed
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*
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* RETURN: The next peer to the input node.
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*
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* DESCRIPTION: Mark the current node completed and return the next peer.
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* The node ParseOpcode is set to DEFAULT_ARG, meaning that
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* this node is to be ignored from now on.
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*
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******************************************************************************/
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ACPI_PARSE_OBJECT *
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RsCompleteNodeAndGetNext (
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ACPI_PARSE_OBJECT *Op)
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{
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/* Mark this node unused */
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Op->Asl.ParseOpcode = PARSEOP_DEFAULT_ARG;
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/* Move on to the next peer node in the initializer list */
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return (ASL_GET_PEER_NODE (Op));
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}
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/*******************************************************************************
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*
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* FUNCTION: RsDoOneResourceDescriptor
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*
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* PARAMETERS: DescriptorTypeOp - Parent parse node of the descriptor
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* CurrentByteOffset - Offset in the resource descriptor
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* buffer.
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*
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* RETURN: A valid resource node for the descriptor
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*
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* DESCRIPTION: Dispatches the processing of one resource descriptor
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*
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******************************************************************************/
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ASL_RESOURCE_NODE *
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RsDoOneResourceDescriptor (
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ACPI_PARSE_OBJECT *DescriptorTypeOp,
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UINT32 CurrentByteOffset,
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UINT8 *State)
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{
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ASL_RESOURCE_NODE *Rnode = NULL;
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/* Determine type of resource */
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switch (DescriptorTypeOp->Asl.ParseOpcode)
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{
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case PARSEOP_DMA:
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Rnode = RsDoDmaDescriptor (DescriptorTypeOp, CurrentByteOffset);
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break;
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case PARSEOP_DWORDIO:
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Rnode = RsDoDwordIoDescriptor (DescriptorTypeOp, CurrentByteOffset);
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break;
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case PARSEOP_DWORDMEMORY:
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Rnode = RsDoDwordMemoryDescriptor (DescriptorTypeOp, CurrentByteOffset);
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break;
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case PARSEOP_ENDDEPENDENTFN:
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switch (*State)
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{
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case ACPI_RSTATE_NORMAL:
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AslError (ASL_ERROR, ASL_MSG_MISSING_STARTDEPENDENT, DescriptorTypeOp, NULL);
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break;
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case ACPI_RSTATE_START_DEPENDENT:
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AslError (ASL_ERROR, ASL_MSG_DEPENDENT_NESTING, DescriptorTypeOp, NULL);
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break;
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case ACPI_RSTATE_DEPENDENT_LIST:
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default:
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break;
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}
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*State = ACPI_RSTATE_NORMAL;
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Rnode = RsDoEndDependentDescriptor (DescriptorTypeOp, CurrentByteOffset);
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break;
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case PARSEOP_FIXEDIO:
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Rnode = RsDoFixedIoDescriptor (DescriptorTypeOp, CurrentByteOffset);
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break;
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case PARSEOP_INTERRUPT:
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Rnode = RsDoInterruptDescriptor (DescriptorTypeOp, CurrentByteOffset);
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break;
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case PARSEOP_IO:
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Rnode = RsDoIoDescriptor (DescriptorTypeOp, CurrentByteOffset);
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break;
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case PARSEOP_IRQ:
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Rnode = RsDoIrqDescriptor (DescriptorTypeOp, CurrentByteOffset);
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break;
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case PARSEOP_IRQNOFLAGS:
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Rnode = RsDoIrqNoFlagsDescriptor (DescriptorTypeOp, CurrentByteOffset);
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break;
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case PARSEOP_MEMORY24:
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Rnode = RsDoMemory24Descriptor (DescriptorTypeOp, CurrentByteOffset);
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break;
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case PARSEOP_MEMORY32:
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Rnode = RsDoMemory32Descriptor (DescriptorTypeOp, CurrentByteOffset);
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break;
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case PARSEOP_MEMORY32FIXED:
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Rnode = RsDoMemory32FixedDescriptor (DescriptorTypeOp, CurrentByteOffset);
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break;
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case PARSEOP_QWORDIO:
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Rnode = RsDoQwordIoDescriptor (DescriptorTypeOp, CurrentByteOffset);
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break;
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case PARSEOP_QWORDMEMORY:
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Rnode = RsDoQwordMemoryDescriptor (DescriptorTypeOp, CurrentByteOffset);
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break;
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case PARSEOP_REGISTER:
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Rnode = RsDoGeneralRegisterDescriptor (DescriptorTypeOp, CurrentByteOffset);
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break;
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case PARSEOP_STARTDEPENDENTFN:
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switch (*State)
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{
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case ACPI_RSTATE_START_DEPENDENT:
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AslError (ASL_ERROR, ASL_MSG_DEPENDENT_NESTING, DescriptorTypeOp, NULL);
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break;
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case ACPI_RSTATE_NORMAL:
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case ACPI_RSTATE_DEPENDENT_LIST:
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default:
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break;
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}
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*State = ACPI_RSTATE_START_DEPENDENT;
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Rnode = RsDoStartDependentDescriptor (DescriptorTypeOp, CurrentByteOffset);
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*State = ACPI_RSTATE_DEPENDENT_LIST;
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break;
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case PARSEOP_STARTDEPENDENTFN_NOPRI:
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switch (*State)
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{
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case ACPI_RSTATE_START_DEPENDENT:
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AslError (ASL_ERROR, ASL_MSG_DEPENDENT_NESTING, DescriptorTypeOp, NULL);
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break;
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case ACPI_RSTATE_NORMAL:
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case ACPI_RSTATE_DEPENDENT_LIST:
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default:
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break;
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}
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*State = ACPI_RSTATE_START_DEPENDENT;
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Rnode = RsDoStartDependentNoPriDescriptor (DescriptorTypeOp, CurrentByteOffset);
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*State = ACPI_RSTATE_DEPENDENT_LIST;
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break;
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case PARSEOP_VENDORLONG:
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Rnode = RsDoVendorLargeDescriptor (DescriptorTypeOp, CurrentByteOffset);
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break;
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case PARSEOP_VENDORSHORT:
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Rnode = RsDoVendorSmallDescriptor (DescriptorTypeOp, CurrentByteOffset);
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break;
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case PARSEOP_WORDBUSNUMBER:
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Rnode = RsDoWordBusNumberDescriptor (DescriptorTypeOp, CurrentByteOffset);
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break;
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case PARSEOP_WORDIO:
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Rnode = RsDoWordIoDescriptor (DescriptorTypeOp, CurrentByteOffset);
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break;
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case PARSEOP_DEFAULT_ARG:
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/* Just ignore any of these, they are used as fillers/placeholders */
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break;
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default:
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printf ("Unknown resource descriptor type [%s]\n",
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DescriptorTypeOp->Asl.ParseOpName);
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break;
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}
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/*
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* Mark original node as unused, but head of a resource descriptor.
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* This allows the resource to be installed in the namespace so that
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* references to the descriptor can be resolved.
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*/
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DescriptorTypeOp->Asl.ParseOpcode = PARSEOP_DEFAULT_ARG;
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DescriptorTypeOp->Asl.CompileFlags = NODE_IS_RESOURCE_DESC;
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return (Rnode);
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}
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/*******************************************************************************
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*
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* FUNCTION: RsLinkDescriptorChain
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*
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* PARAMETERS: PreviousRnode - Pointer to the node that will be previous
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* to the linked node, At exit, set to the
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* last node in the new chain.
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* Rnode - Resource node to link into the list
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*
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* RETURN: Cumulative buffer byte offset of the new segment of chain
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*
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* DESCRIPTION: Link a descriptor chain at the end of an existing chain.
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*
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******************************************************************************/
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UINT32
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RsLinkDescriptorChain (
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ASL_RESOURCE_NODE **PreviousRnode,
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ASL_RESOURCE_NODE *Rnode)
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{
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ASL_RESOURCE_NODE *LastRnode;
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UINT32 CurrentByteOffset;
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/* Anything to do? */
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if (!Rnode)
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{
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return 0;
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}
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/* Point the previous node to the new node */
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(*PreviousRnode)->Next = Rnode;
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CurrentByteOffset = Rnode->BufferLength;
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/* Walk to the end of the chain headed by Rnode */
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LastRnode = Rnode;
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while (LastRnode->Next)
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{
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LastRnode = LastRnode->Next;
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CurrentByteOffset += LastRnode->BufferLength;
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}
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/* Previous node becomes the last node in the chain */
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*PreviousRnode = LastRnode;
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return CurrentByteOffset;
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}
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/*******************************************************************************
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*
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* FUNCTION: RsDoResourceTemplate
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*
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* PARAMETERS: Op - Parent of a resource template list
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*
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* RETURN: None. Sets input node to point to a list of AML code
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*
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* DESCRIPTION: Merge a list of resource descriptors into a single AML buffer,
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* in preparation for output to the AML output file.
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*
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******************************************************************************/
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void
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RsDoResourceTemplate (
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ACPI_PARSE_OBJECT *Op)
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{
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ACPI_PARSE_OBJECT *BufferLengthOp;
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ACPI_PARSE_OBJECT *BufferOp;
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ACPI_PARSE_OBJECT *DescriptorTypeOp;
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ACPI_PARSE_OBJECT *LastOp = NULL;
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ASL_RESOURCE_DESC *Descriptor;
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UINT32 CurrentByteOffset = 0;
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ASL_RESOURCE_NODE HeadRnode;
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ASL_RESOURCE_NODE *PreviousRnode;
|
|
ASL_RESOURCE_NODE *Rnode;
|
|
UINT8 State;
|
|
|
|
|
|
/* ResourceTemplate Opcode is first (Op) */
|
|
/* Buffer Length node is first child */
|
|
|
|
BufferLengthOp = ASL_GET_CHILD_NODE (Op);
|
|
|
|
/* Buffer Op is first peer */
|
|
|
|
BufferOp = ASL_GET_PEER_NODE (BufferLengthOp);
|
|
|
|
/* First Descriptor type is next */
|
|
|
|
DescriptorTypeOp = ASL_GET_PEER_NODE (BufferOp);
|
|
|
|
/* Process all resource descriptors in the list */
|
|
|
|
State = ACPI_RSTATE_NORMAL;
|
|
PreviousRnode = &HeadRnode;
|
|
while (DescriptorTypeOp)
|
|
{
|
|
Rnode = RsDoOneResourceDescriptor (DescriptorTypeOp, CurrentByteOffset, &State);
|
|
|
|
/*
|
|
* Update current byte offset to indicate the number of bytes from the
|
|
* start of the buffer. Buffer can include multiple descriptors, we
|
|
* must keep track of the offset of not only each descriptor, but each
|
|
* element (field) within each descriptor as well.
|
|
*/
|
|
CurrentByteOffset += RsLinkDescriptorChain (&PreviousRnode, Rnode);
|
|
|
|
/* Get the next descriptor in the list */
|
|
|
|
LastOp = DescriptorTypeOp;
|
|
DescriptorTypeOp = ASL_GET_PEER_NODE (DescriptorTypeOp);
|
|
}
|
|
|
|
if (State == ACPI_RSTATE_DEPENDENT_LIST)
|
|
{
|
|
if (LastOp)
|
|
{
|
|
LastOp = LastOp->Asl.Parent;
|
|
}
|
|
AslError (ASL_ERROR, ASL_MSG_MISSING_ENDDEPENDENT, LastOp, NULL);
|
|
}
|
|
|
|
/*
|
|
* Insert the EndTag descriptor after all other descriptors have been processed
|
|
*/
|
|
Rnode = RsAllocateResourceNode (sizeof (ASL_END_TAG_DESC));
|
|
|
|
Descriptor = Rnode->Buffer;
|
|
Descriptor->Et.DescriptorType = ACPI_RDESC_TYPE_END_TAG |
|
|
ASL_RDESC_END_TAG_SIZE;
|
|
Descriptor->Et.Checksum = 0;
|
|
|
|
CurrentByteOffset += RsLinkDescriptorChain (&PreviousRnode, Rnode);
|
|
|
|
/*
|
|
* Transform the nodes into the following
|
|
*
|
|
* Op -> AML_BUFFER_OP
|
|
* First Child -> BufferLength
|
|
* Second Child -> Descriptor Buffer (raw byte data)
|
|
*/
|
|
Op->Asl.ParseOpcode = PARSEOP_BUFFER;
|
|
Op->Asl.AmlOpcode = AML_BUFFER_OP;
|
|
Op->Asl.CompileFlags = NODE_AML_PACKAGE;
|
|
|
|
BufferLengthOp->Asl.ParseOpcode = PARSEOP_INTEGER;
|
|
BufferLengthOp->Asl.Value.Integer = CurrentByteOffset;
|
|
|
|
(void) OpcSetOptimalIntegerSize (BufferLengthOp);
|
|
|
|
BufferOp->Asl.ParseOpcode = PARSEOP_RAW_DATA;
|
|
BufferOp->Asl.AmlOpcode = AML_RAW_DATA_CHAIN;
|
|
BufferOp->Asl.AmlOpcodeLength = 0;
|
|
BufferOp->Asl.AmlLength = CurrentByteOffset;
|
|
BufferOp->Asl.Value.Buffer = (UINT8 *) HeadRnode.Next;
|
|
|
|
return;
|
|
}
|
|
|
|
|