684 lines
22 KiB
C
684 lines
22 KiB
C
/*******************************************************************************
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*
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* Module Name: rsmisc - Miscellaneous resource descriptors
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* $Revision: 24 $
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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 - 2002, 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 __RSMISC_C__
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#include "acpi.h"
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#include "acresrc.h"
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#define _COMPONENT ACPI_RESOURCES
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ACPI_MODULE_NAME ("rsmisc")
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/*******************************************************************************
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*
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* FUNCTION: AcpiRsEndTagResource
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*
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* PARAMETERS: ByteStreamBuffer - Pointer to the resource input byte
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* stream
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* BytesConsumed - Pointer to where the number of bytes
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* consumed the ByteStreamBuffer is
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* returned
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* OutputBuffer - Pointer to the return data buffer
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* StructureSize - Pointer to where the number of bytes
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* in the return data struct is returned
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*
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* RETURN: Status
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*
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* DESCRIPTION: Take the resource byte stream and fill out the appropriate
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* structure pointed to by the OutputBuffer. Return the
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* number of bytes consumed from the byte stream.
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*
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******************************************************************************/
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ACPI_STATUS
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AcpiRsEndTagResource (
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UINT8 *ByteStreamBuffer,
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ACPI_SIZE *BytesConsumed,
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UINT8 **OutputBuffer,
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ACPI_SIZE *StructureSize)
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{
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ACPI_RESOURCE *OutputStruct = (void *) *OutputBuffer;
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ACPI_SIZE StructSize = ACPI_RESOURCE_LENGTH;
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ACPI_FUNCTION_TRACE ("RsEndTagResource");
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/*
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* The number of bytes consumed is static
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*/
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*BytesConsumed = 2;
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/*
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* Fill out the structure
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*/
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OutputStruct->Id = ACPI_RSTYPE_END_TAG;
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/*
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* Set the Length parameter
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*/
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OutputStruct->Length = 0;
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/*
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* Return the final size of the structure
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*/
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*StructureSize = StructSize;
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return_ACPI_STATUS (AE_OK);
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}
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/*******************************************************************************
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*
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* FUNCTION: AcpiRsEndTagStream
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*
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* PARAMETERS: LinkedList - Pointer to the resource linked list
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* OutputBuffer - Pointer to the user's return buffer
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* BytesConsumed - Pointer to where the number of bytes
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* used in the OutputBuffer is returned
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*
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* RETURN: Status
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*
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* DESCRIPTION: Take the linked list resource structure and fills in the
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* the appropriate bytes in a byte stream
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*
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******************************************************************************/
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ACPI_STATUS
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AcpiRsEndTagStream (
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ACPI_RESOURCE *LinkedList,
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UINT8 **OutputBuffer,
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ACPI_SIZE *BytesConsumed)
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{
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UINT8 *Buffer = *OutputBuffer;
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UINT8 Temp8 = 0;
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ACPI_FUNCTION_TRACE ("RsEndTagStream");
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/*
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* The descriptor field is static
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*/
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*Buffer = 0x79;
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Buffer += 1;
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/*
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* Set the Checksum - zero means that the resource data is treated as if
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* the checksum operation succeeded (ACPI Spec 1.0b Section 6.4.2.8)
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*/
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Temp8 = 0;
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*Buffer = Temp8;
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Buffer += 1;
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/*
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* Return the number of bytes consumed in this operation
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*/
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*BytesConsumed = ACPI_PTR_DIFF (Buffer, *OutputBuffer);
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return_ACPI_STATUS (AE_OK);
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}
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/*******************************************************************************
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*
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* FUNCTION: AcpiRsVendorResource
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*
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* PARAMETERS: ByteStreamBuffer - Pointer to the resource input byte
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* stream
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* BytesConsumed - Pointer to where the number of bytes
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* consumed the ByteStreamBuffer is
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* returned
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* OutputBuffer - Pointer to the return data buffer
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* StructureSize - Pointer to where the number of bytes
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* in the return data struct is returned
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*
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* RETURN: Status
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*
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* DESCRIPTION: Take the resource byte stream and fill out the appropriate
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* structure pointed to by the OutputBuffer. Return the
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* number of bytes consumed from the byte stream.
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*
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******************************************************************************/
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ACPI_STATUS
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AcpiRsVendorResource (
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UINT8 *ByteStreamBuffer,
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ACPI_SIZE *BytesConsumed,
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UINT8 **OutputBuffer,
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ACPI_SIZE *StructureSize)
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{
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UINT8 *Buffer = ByteStreamBuffer;
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ACPI_RESOURCE *OutputStruct = (void *) *OutputBuffer;
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UINT16 Temp16 = 0;
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UINT8 Temp8 = 0;
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UINT8 Index;
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ACPI_SIZE StructSize = ACPI_SIZEOF_RESOURCE (ACPI_RESOURCE_VENDOR);
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ACPI_FUNCTION_TRACE ("RsVendorResource");
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/*
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* Dereference the Descriptor to find if this is a large or small item.
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*/
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Temp8 = *Buffer;
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if (Temp8 & 0x80)
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{
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/*
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* Large Item, point to the length field
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*/
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Buffer += 1;
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/* Dereference */
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ACPI_MOVE_UNALIGNED16_TO_16 (&Temp16, Buffer);
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/* Calculate bytes consumed */
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*BytesConsumed = (ACPI_SIZE) Temp16 + 3;
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/* Point to the first vendor byte */
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Buffer += 2;
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}
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else
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{
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/*
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* Small Item, dereference the size
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*/
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Temp16 = (UINT8)(*Buffer & 0x07);
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/* Calculate bytes consumed */
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*BytesConsumed = (ACPI_SIZE) Temp16 + 1;
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/* Point to the first vendor byte */
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Buffer += 1;
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}
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OutputStruct->Id = ACPI_RSTYPE_VENDOR;
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OutputStruct->Data.VendorSpecific.Length = Temp16;
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for (Index = 0; Index < Temp16; Index++)
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{
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OutputStruct->Data.VendorSpecific.Reserved[Index] = *Buffer;
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Buffer += 1;
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}
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/*
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* In order for the StructSize to fall on a 32-bit boundary,
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* calculate the length of the vendor string and expand the
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* StructSize to the next 32-bit boundary.
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*/
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StructSize += ACPI_ROUND_UP_TO_32BITS (Temp16);
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/*
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* Set the Length parameter
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*/
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OutputStruct->Length = (UINT32) StructSize;
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/*
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* Return the final size of the structure
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*/
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*StructureSize = StructSize;
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return_ACPI_STATUS (AE_OK);
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}
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/*******************************************************************************
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*
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* FUNCTION: AcpiRsVendorStream
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*
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* PARAMETERS: LinkedList - Pointer to the resource linked list
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* OutputBuffer - Pointer to the user's return buffer
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* BytesConsumed - Pointer to where the number of bytes
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* used in the OutputBuffer is returned
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*
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* RETURN: Status
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*
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* DESCRIPTION: Take the linked list resource structure and fills in the
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* the appropriate bytes in a byte stream
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*
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******************************************************************************/
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ACPI_STATUS
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AcpiRsVendorStream (
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ACPI_RESOURCE *LinkedList,
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UINT8 **OutputBuffer,
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ACPI_SIZE *BytesConsumed)
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{
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UINT8 *Buffer = *OutputBuffer;
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UINT16 Temp16 = 0;
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UINT8 Temp8 = 0;
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UINT8 Index;
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ACPI_FUNCTION_TRACE ("RsVendorStream");
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/*
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* Dereference the length to find if this is a large or small item.
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*/
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if(LinkedList->Data.VendorSpecific.Length > 7)
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{
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/*
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* Large Item, Set the descriptor field and length bytes
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*/
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*Buffer = 0x84;
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Buffer += 1;
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Temp16 = (UINT16) LinkedList->Data.VendorSpecific.Length;
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ACPI_MOVE_UNALIGNED16_TO_16 (Buffer, &Temp16);
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Buffer += 2;
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}
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else
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{
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/*
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* Small Item, Set the descriptor field
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*/
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Temp8 = 0x70;
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Temp8 |= (UINT8) LinkedList->Data.VendorSpecific.Length;
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*Buffer = Temp8;
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Buffer += 1;
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}
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/*
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* Loop through all of the Vendor Specific fields
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*/
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for (Index = 0; Index < LinkedList->Data.VendorSpecific.Length; Index++)
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{
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Temp8 = LinkedList->Data.VendorSpecific.Reserved[Index];
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*Buffer = Temp8;
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Buffer += 1;
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}
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/*
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* Return the number of bytes consumed in this operation
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*/
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*BytesConsumed = ACPI_PTR_DIFF (Buffer, *OutputBuffer);
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return_ACPI_STATUS (AE_OK);
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}
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/*******************************************************************************
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*
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* FUNCTION: AcpiRsStartDependFnsResource
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*
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* PARAMETERS: ByteStreamBuffer - Pointer to the resource input byte
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* stream
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* BytesConsumed - Pointer to where the number of bytes
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* consumed the ByteStreamBuffer is
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* returned
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* OutputBuffer - Pointer to the return data buffer
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* StructureSize - Pointer to where the number of bytes
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* in the return data struct is returned
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*
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* RETURN: Status
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*
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* DESCRIPTION: Take the resource byte stream and fill out the appropriate
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* structure pointed to by the OutputBuffer. Return the
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* number of bytes consumed from the byte stream.
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*
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******************************************************************************/
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ACPI_STATUS
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AcpiRsStartDependFnsResource (
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UINT8 *ByteStreamBuffer,
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ACPI_SIZE *BytesConsumed,
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UINT8 **OutputBuffer,
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ACPI_SIZE *StructureSize)
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{
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UINT8 *Buffer = ByteStreamBuffer;
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ACPI_RESOURCE *OutputStruct = (void *) *OutputBuffer;
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UINT8 Temp8 = 0;
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ACPI_SIZE StructSize = ACPI_SIZEOF_RESOURCE (ACPI_RESOURCE_START_DPF);
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ACPI_FUNCTION_TRACE ("RsStartDependFnsResource");
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/*
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* The number of bytes consumed are contained in the descriptor (Bits:0-1)
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*/
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Temp8 = *Buffer;
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*BytesConsumed = (Temp8 & 0x01) + 1;
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OutputStruct->Id = ACPI_RSTYPE_START_DPF;
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/*
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* Point to Byte 1 if it is used
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*/
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if (2 == *BytesConsumed)
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{
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Buffer += 1;
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Temp8 = *Buffer;
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/*
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* Check Compatibility priority
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*/
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OutputStruct->Data.StartDpf.CompatibilityPriority = Temp8 & 0x03;
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if (3 == OutputStruct->Data.StartDpf.CompatibilityPriority)
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{
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return_ACPI_STATUS (AE_AML_BAD_RESOURCE_VALUE);
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}
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/*
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* Check Performance/Robustness preference
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*/
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OutputStruct->Data.StartDpf.PerformanceRobustness = (Temp8 >> 2) & 0x03;
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if (3 == OutputStruct->Data.StartDpf.PerformanceRobustness)
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{
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return_ACPI_STATUS (AE_AML_BAD_RESOURCE_VALUE);
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}
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}
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else
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{
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OutputStruct->Data.StartDpf.CompatibilityPriority =
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ACPI_ACCEPTABLE_CONFIGURATION;
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OutputStruct->Data.StartDpf.PerformanceRobustness =
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ACPI_ACCEPTABLE_CONFIGURATION;
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}
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/*
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* Set the Length parameter
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*/
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OutputStruct->Length = (UINT32) StructSize;
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/*
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* Return the final size of the structure
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*/
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*StructureSize = StructSize;
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return_ACPI_STATUS (AE_OK);
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}
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/*******************************************************************************
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*
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* FUNCTION: AcpiRsEndDependFnsResource
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*
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* PARAMETERS: ByteStreamBuffer - Pointer to the resource input byte
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* stream
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* BytesConsumed - Pointer to where the number of bytes
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* consumed the ByteStreamBuffer is
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* returned
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* OutputBuffer - Pointer to the return data buffer
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* StructureSize - Pointer to where the number of bytes
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* in the return data struct is returned
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*
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* RETURN: Status
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*
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* DESCRIPTION: Take the resource byte stream and fill out the appropriate
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* structure pointed to by the OutputBuffer. Return the
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* number of bytes consumed from the byte stream.
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*
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******************************************************************************/
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ACPI_STATUS
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AcpiRsEndDependFnsResource (
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UINT8 *ByteStreamBuffer,
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ACPI_SIZE *BytesConsumed,
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UINT8 **OutputBuffer,
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ACPI_SIZE *StructureSize)
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{
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ACPI_RESOURCE *OutputStruct = (void *) *OutputBuffer;
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ACPI_SIZE StructSize = ACPI_RESOURCE_LENGTH;
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ACPI_FUNCTION_TRACE ("RsEndDependFnsResource");
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/*
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* The number of bytes consumed is static
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*/
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*BytesConsumed = 1;
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/*
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* Fill out the structure
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*/
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OutputStruct->Id = ACPI_RSTYPE_END_DPF;
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/*
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* Set the Length parameter
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*/
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OutputStruct->Length = (UINT32) StructSize;
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|
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/*
|
|
* Return the final size of the structure
|
|
*/
|
|
*StructureSize = StructSize;
|
|
return_ACPI_STATUS (AE_OK);
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: AcpiRsStartDependFnsStream
|
|
*
|
|
* PARAMETERS: LinkedList - Pointer to the resource linked list
|
|
* OutputBuffer - Pointer to the user's return buffer
|
|
* BytesConsumed - UINT32 pointer that is filled with
|
|
* the number of bytes of the
|
|
* OutputBuffer used
|
|
*
|
|
* RETURN: Status
|
|
*
|
|
* DESCRIPTION: Take the linked list resource structure and fills in the
|
|
* the appropriate bytes in a byte stream
|
|
*
|
|
******************************************************************************/
|
|
|
|
ACPI_STATUS
|
|
AcpiRsStartDependFnsStream (
|
|
ACPI_RESOURCE *LinkedList,
|
|
UINT8 **OutputBuffer,
|
|
ACPI_SIZE *BytesConsumed)
|
|
{
|
|
UINT8 *Buffer = *OutputBuffer;
|
|
UINT8 Temp8 = 0;
|
|
|
|
|
|
ACPI_FUNCTION_TRACE ("RsStartDependFnsStream");
|
|
|
|
|
|
/*
|
|
* The descriptor field is set based upon whether a byte is needed
|
|
* to contain Priority data.
|
|
*/
|
|
if (ACPI_ACCEPTABLE_CONFIGURATION ==
|
|
LinkedList->Data.StartDpf.CompatibilityPriority &&
|
|
ACPI_ACCEPTABLE_CONFIGURATION ==
|
|
LinkedList->Data.StartDpf.PerformanceRobustness)
|
|
{
|
|
*Buffer = 0x30;
|
|
}
|
|
else
|
|
{
|
|
*Buffer = 0x31;
|
|
Buffer += 1;
|
|
|
|
/*
|
|
* Set the Priority Byte Definition
|
|
*/
|
|
Temp8 = 0;
|
|
Temp8 = (UINT8) ((LinkedList->Data.StartDpf.PerformanceRobustness &
|
|
0x03) << 2);
|
|
Temp8 |= (LinkedList->Data.StartDpf.CompatibilityPriority &
|
|
0x03);
|
|
*Buffer = Temp8;
|
|
}
|
|
|
|
Buffer += 1;
|
|
|
|
/*
|
|
* Return the number of bytes consumed in this operation
|
|
*/
|
|
*BytesConsumed = ACPI_PTR_DIFF (Buffer, *OutputBuffer);
|
|
return_ACPI_STATUS (AE_OK);
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: AcpiRsEndDependFnsStream
|
|
*
|
|
* PARAMETERS: LinkedList - Pointer to the resource linked list
|
|
* OutputBuffer - Pointer to the user's return buffer
|
|
* BytesConsumed - Pointer to where the number of bytes
|
|
* used in the OutputBuffer is returned
|
|
*
|
|
* RETURN: Status
|
|
*
|
|
* DESCRIPTION: Take the linked list resource structure and fills in the
|
|
* the appropriate bytes in a byte stream
|
|
*
|
|
******************************************************************************/
|
|
|
|
ACPI_STATUS
|
|
AcpiRsEndDependFnsStream (
|
|
ACPI_RESOURCE *LinkedList,
|
|
UINT8 **OutputBuffer,
|
|
ACPI_SIZE *BytesConsumed)
|
|
{
|
|
UINT8 *Buffer = *OutputBuffer;
|
|
|
|
|
|
ACPI_FUNCTION_TRACE ("RsEndDependFnsStream");
|
|
|
|
|
|
/*
|
|
* The descriptor field is static
|
|
*/
|
|
*Buffer = 0x38;
|
|
Buffer += 1;
|
|
|
|
/*
|
|
* Return the number of bytes consumed in this operation
|
|
*/
|
|
*BytesConsumed = ACPI_PTR_DIFF (Buffer, *OutputBuffer);
|
|
return_ACPI_STATUS (AE_OK);
|
|
}
|
|
|