607 lines
22 KiB
C
607 lines
22 KiB
C
/*******************************************************************************
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*
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* Module Name: rslist - AcpiRsByteStreamToList
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* AcpiListToByteStream
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* $Revision: 10 $
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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 __RSLIST_C__
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#include "acpi.h"
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#include "acresrc.h"
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#define _COMPONENT RESOURCE_MANAGER
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MODULE_NAME ("rslist")
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/*******************************************************************************
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*
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* FUNCTION: AcpiRsByteStreamToList
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*
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* PARAMETERS: ByteStreamBuffer - Pointer to the resource byte stream
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* ByteStreamBufferLength - Length of ByteStreamBuffer
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* OutputBuffer - Pointer to the buffer that will
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* contain the output structures
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*
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* RETURN: Status AE_OK if okay, else a valid ACPI_STATUS code
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*
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* DESCRIPTION: Takes the resource byte stream and parses it, creating a
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* linked list of resources in the caller's output buffer
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*
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******************************************************************************/
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ACPI_STATUS
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AcpiRsByteStreamToList (
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UINT8 *ByteStreamBuffer,
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UINT32 ByteStreamBufferLength,
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UINT8 **OutputBuffer)
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{
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ACPI_STATUS Status;
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UINT32 BytesParsed = 0;
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UINT8 ResourceType = 0;
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UINT32 BytesConsumed = 0;
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UINT8 **Buffer = OutputBuffer;
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UINT32 StructureSize = 0;
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BOOLEAN EndTagProcessed = FALSE;
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FUNCTION_TRACE ("RsByteStreamToList");
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while (BytesParsed < ByteStreamBufferLength &&
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FALSE == EndTagProcessed)
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{
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/*
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* Look at the next byte in the stream
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*/
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ResourceType = *ByteStreamBuffer;
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/*
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* See if this is a small or large resource
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*/
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if(ResourceType & 0x80)
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{
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/*
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* Large Resource Type
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*/
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switch (ResourceType)
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{
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case MEMORY_RANGE_24:
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/*
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* 24-Bit Memory Resource
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*/
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Status = AcpiRsMemory24Resource(ByteStreamBuffer,
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&BytesConsumed,
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Buffer,
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&StructureSize);
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break;
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case LARGE_VENDOR_DEFINED:
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/*
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* Vendor Defined Resource
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*/
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Status = AcpiRsVendorResource(ByteStreamBuffer,
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&BytesConsumed,
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Buffer,
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&StructureSize);
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break;
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case MEMORY_RANGE_32:
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/*
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* 32-Bit Memory Range Resource
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*/
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Status = AcpiRsMemory32RangeResource(ByteStreamBuffer,
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&BytesConsumed,
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Buffer,
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&StructureSize);
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break;
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case FIXED_MEMORY_RANGE_32:
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/*
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* 32-Bit Fixed Memory Resource
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*/
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Status = AcpiRsFixedMemory32Resource(ByteStreamBuffer,
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&BytesConsumed,
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Buffer,
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&StructureSize);
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break;
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case DWORD_ADDRESS_SPACE:
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/*
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* 32-Bit Address Resource
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*/
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Status = AcpiRsAddress32Resource(ByteStreamBuffer,
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&BytesConsumed,
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Buffer,
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&StructureSize);
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break;
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case WORD_ADDRESS_SPACE:
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/*
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* 16-Bit Address Resource
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*/
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Status = AcpiRsAddress16Resource(ByteStreamBuffer,
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&BytesConsumed,
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Buffer,
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&StructureSize);
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break;
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case EXTENDED_IRQ:
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/*
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* Extended IRQ
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*/
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Status = AcpiRsExtendedIrqResource(ByteStreamBuffer,
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&BytesConsumed,
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Buffer,
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&StructureSize);
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break;
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/* TBD: [Future] 64-bit not currently supported */
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/*
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case 0x8A:
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break;
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*/
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default:
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/*
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* If we get here, everything is out of sync,
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* so exit with an error
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*/
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return_ACPI_STATUS (AE_AML_ERROR);
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break;
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}
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}
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else
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{
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/*
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* Small Resource Type
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* Only bits 7:3 are valid
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*/
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ResourceType >>= 3;
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switch(ResourceType)
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{
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case IRQ_FORMAT:
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/*
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* IRQ Resource
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*/
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Status = AcpiRsIrqResource(ByteStreamBuffer,
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&BytesConsumed,
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Buffer,
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&StructureSize);
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break;
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case DMA_FORMAT:
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/*
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* DMA Resource
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*/
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Status = AcpiRsDmaResource(ByteStreamBuffer,
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&BytesConsumed,
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Buffer,
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&StructureSize);
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break;
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case START_DEPENDENT_TAG:
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/*
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* Start Dependent Functions Resource
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*/
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Status = AcpiRsStartDependentFunctionsResource(ByteStreamBuffer,
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&BytesConsumed,
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Buffer,
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&StructureSize);
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break;
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case END_DEPENDENT_TAG:
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/*
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* End Dependent Functions Resource
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*/
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Status = AcpiRsEndDependentFunctionsResource(ByteStreamBuffer,
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&BytesConsumed,
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Buffer,
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&StructureSize);
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break;
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case IO_PORT_DESCRIPTOR:
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/*
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* IO Port Resource
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*/
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Status = AcpiRsIoResource(ByteStreamBuffer,
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&BytesConsumed,
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Buffer,
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&StructureSize);
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break;
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case FIXED_LOCATION_IO_DESCRIPTOR:
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/*
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* Fixed IO Port Resource
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*/
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Status = AcpiRsFixedIoResource(ByteStreamBuffer,
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&BytesConsumed,
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Buffer,
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&StructureSize);
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break;
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case SMALL_VENDOR_DEFINED:
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/*
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* Vendor Specific Resource
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*/
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Status = AcpiRsVendorResource(ByteStreamBuffer,
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&BytesConsumed,
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Buffer,
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&StructureSize);
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break;
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case END_TAG:
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/*
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* End Tag
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*/
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Status = AcpiRsEndTagResource(ByteStreamBuffer,
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&BytesConsumed,
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Buffer,
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&StructureSize);
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EndTagProcessed = TRUE;
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break;
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default:
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/*
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* If we get here, everything is out of sync,
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* so exit with an error
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*/
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return_ACPI_STATUS (AE_AML_ERROR);
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break;
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} /* switch */
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} /* end else */
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/*
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* Update the return value and counter
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*/
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BytesParsed += BytesConsumed;
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/*
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* Set the byte stream to point to the next resource
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*/
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ByteStreamBuffer += BytesConsumed;
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/*
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* Set the Buffer to the next structure
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*/
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*Buffer += StructureSize;
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} /* end while */
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/*
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* Check the reason for exiting the while loop
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*/
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if (!(ByteStreamBufferLength == BytesParsed) ||
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(TRUE != EndTagProcessed))
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{
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return_ACPI_STATUS (AE_AML_ERROR);
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}
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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: AcpiRsListToByteStream
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*
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* PARAMETERS: LinkedList - Pointer to the resource linked list
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* ByteSteamSizeNeeded - Calculated size of the byte stream
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* needed from calling
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* AcpiRsCalculateByteStreamLength()
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* The size of the OutputBuffer is
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* guaranteed to be >=
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* ByteStreamSizeNeeded
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* OutputBuffer - Pointer to the buffer that will
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* contain the byte stream
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*
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* RETURN: Status AE_OK if okay, else a valid ACPI_STATUS code
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*
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* DESCRIPTION: Takes the resource linked list and parses it, creating a
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* byte stream of resources in the caller's output buffer
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*
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******************************************************************************/
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ACPI_STATUS
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AcpiRsListToByteStream (
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RESOURCE *LinkedList,
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UINT32 ByteStreamSizeNeeded,
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UINT8 **OutputBuffer)
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{
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ACPI_STATUS Status;
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UINT8 *Buffer = *OutputBuffer;
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UINT32 BytesConsumed = 0;
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BOOLEAN Done = FALSE;
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FUNCTION_TRACE ("RsListToByteStream");
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while (!Done)
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{
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switch (LinkedList->Id)
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{
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case Irq:
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/*
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* IRQ Resource
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*/
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Status = AcpiRsIrqStream (LinkedList,
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&Buffer,
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&BytesConsumed);
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break;
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case Dma:
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/*
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* DMA Resource
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*/
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Status = AcpiRsDmaStream (LinkedList,
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&Buffer,
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&BytesConsumed);
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break;
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case StartDependentFunctions:
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/*
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* Start Dependent Functions Resource
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*/
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Status = AcpiRsStartDependentFunctionsStream (LinkedList,
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&Buffer,
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&BytesConsumed);
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break;
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case EndDependentFunctions:
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/*
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* End Dependent Functions Resource
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*/
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Status = AcpiRsEndDependentFunctionsStream (LinkedList,
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&Buffer,
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&BytesConsumed);
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break;
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case Io:
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/*
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* IO Port Resource
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*/
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Status = AcpiRsIoStream (LinkedList,
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&Buffer,
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&BytesConsumed);
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break;
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case FixedIo:
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/*
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* Fixed IO Port Resource
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*/
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Status = AcpiRsFixedIoStream (LinkedList,
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&Buffer,
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&BytesConsumed);
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break;
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case VendorSpecific:
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/*
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* Vendor Defined Resource
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*/
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Status = AcpiRsVendorStream (LinkedList,
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&Buffer,
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&BytesConsumed);
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break;
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case EndTag:
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/*
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* End Tag
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*/
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Status = AcpiRsEndTagStream (LinkedList,
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&Buffer,
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&BytesConsumed);
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/*
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* An End Tag indicates the end of the Resource Template
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*/
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Done = TRUE;
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break;
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case Memory24:
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/*
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* 24-Bit Memory Resource
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*/
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Status = AcpiRsMemory24Stream (LinkedList,
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&Buffer,
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&BytesConsumed);
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break;
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case Memory32:
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/*
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* 32-Bit Memory Range Resource
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*/
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Status = AcpiRsMemory32RangeStream (LinkedList,
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&Buffer,
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&BytesConsumed);
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break;
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case FixedMemory32:
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/*
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* 32-Bit Fixed Memory Resource
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*/
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Status = AcpiRsFixedMemory32Stream (LinkedList,
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&Buffer,
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&BytesConsumed);
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break;
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case Address16:
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/*
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* 16-Bit Address Descriptor Resource
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*/
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Status = AcpiRsAddress16Stream (LinkedList,
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&Buffer,
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&BytesConsumed);
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break;
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case Address32:
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/*
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* 32-Bit Address Descriptor Resource
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*/
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Status = AcpiRsAddress32Stream (LinkedList,
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&Buffer,
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&BytesConsumed);
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break;
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case ExtendedIrq:
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/*
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* Extended IRQ Resource
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*/
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Status = AcpiRsExtendedIrqStream (LinkedList,
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&Buffer,
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&BytesConsumed);
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break;
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default:
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/*
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* If we get here, everything is out of sync,
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* so exit with an error
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*/
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return_ACPI_STATUS (AE_BAD_DATA);
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break;
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} /* switch (LinkedList->Id) */
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/*
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* Set the Buffer to point to the open byte
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*/
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Buffer += BytesConsumed;
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/*
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* Point to the next object
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*/
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LinkedList = (RESOURCE *) ((NATIVE_UINT) LinkedList +
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(NATIVE_UINT) LinkedList->Length);
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}
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return_ACPI_STATUS (AE_OK);
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}
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