675 lines
21 KiB
C
675 lines
21 KiB
C
/*******************************************************************************
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*
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* Module Name: rsmisc - Miscellaneous resource descriptors
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* xRevision: 1.44 $
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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 - 2006, 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 <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: rsmisc.c,v 1.1 2006/03/23 13:36:31 kochi Exp $");
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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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#define INIT_RESOURCE_TYPE(i) i->ResourceOffset
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#define INIT_RESOURCE_LENGTH(i) i->AmlOffset
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#define INIT_TABLE_LENGTH(i) i->Value
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#define COMPARE_OPCODE(i) i->ResourceOffset
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#define COMPARE_TARGET(i) i->AmlOffset
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#define COMPARE_VALUE(i) i->Value
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/*******************************************************************************
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*
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* FUNCTION: AcpiRsConvertAmlToResource
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*
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* PARAMETERS: Resource - Pointer to the resource descriptor
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* Aml - Where the AML descriptor is returned
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* Info - Pointer to appropriate conversion table
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*
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* RETURN: Status
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*
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* DESCRIPTION: Convert an external AML resource descriptor to the corresponding
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* internal resource descriptor
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*
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******************************************************************************/
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ACPI_STATUS
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AcpiRsConvertAmlToResource (
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ACPI_RESOURCE *Resource,
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AML_RESOURCE *Aml,
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ACPI_RSCONVERT_INFO *Info)
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{
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ACPI_RS_LENGTH AmlResourceLength;
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void *Source;
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void *Destination;
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char *Target;
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UINT8 Count;
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UINT8 FlagsMode = FALSE;
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UINT16 ItemCount = 0;
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UINT16 Temp16 = 0;
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ACPI_FUNCTION_TRACE ("RsConvertAmlToResource");
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if (((ACPI_NATIVE_UINT) Resource) & 0x3)
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{
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/* Each internal resource struct is expected to be 32-bit aligned */
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ACPI_WARNING ((AE_INFO,
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"Misaligned resource pointer (get): %p Type %2.2X Len %X",
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Resource, Resource->Type, Resource->Length));
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}
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/* Extract the resource Length field (does not include header length) */
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AmlResourceLength = AcpiUtGetResourceLength (Aml);
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/*
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* First table entry must be ACPI_RSC_INITxxx and must contain the
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* table length (# of table entries)
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*/
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Count = INIT_TABLE_LENGTH (Info);
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while (Count)
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{
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/*
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* Source is the external AML byte stream buffer,
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* destination is the internal resource descriptor
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*/
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Source = ACPI_ADD_PTR (void, Aml, Info->AmlOffset);
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Destination = ACPI_ADD_PTR (void, Resource, Info->ResourceOffset);
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switch (Info->Opcode)
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{
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case ACPI_RSC_INITGET:
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/*
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* Get the resource type and the initial (minimum) length
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*/
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ACPI_MEMSET (Resource, 0, INIT_RESOURCE_LENGTH (Info));
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Resource->Type = INIT_RESOURCE_TYPE (Info);
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Resource->Length = INIT_RESOURCE_LENGTH (Info);
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break;
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case ACPI_RSC_INITSET:
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break;
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case ACPI_RSC_FLAGINIT:
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FlagsMode = TRUE;
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break;
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case ACPI_RSC_1BITFLAG:
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/*
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* Mask and shift the flag bit
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*/
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ACPI_SET8 (Destination) = (UINT8)
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((ACPI_GET8 (Source) >> Info->Value) & 0x01);
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break;
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case ACPI_RSC_2BITFLAG:
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/*
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* Mask and shift the flag bits
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*/
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ACPI_SET8 (Destination) = (UINT8)
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((ACPI_GET8 (Source) >> Info->Value) & 0x03);
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break;
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case ACPI_RSC_COUNT:
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ItemCount = ACPI_GET8 (Source);
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ACPI_SET8 (Destination) = (UINT8) ItemCount;
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Resource->Length = Resource->Length +
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(Info->Value * (ItemCount - 1));
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break;
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case ACPI_RSC_COUNT16:
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ItemCount = AmlResourceLength;
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ACPI_SET16 (Destination) = ItemCount;
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Resource->Length = Resource->Length +
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(Info->Value * (ItemCount - 1));
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break;
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case ACPI_RSC_LENGTH:
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Resource->Length = Resource->Length + Info->Value;
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break;
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case ACPI_RSC_MOVE8:
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case ACPI_RSC_MOVE16:
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case ACPI_RSC_MOVE32:
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case ACPI_RSC_MOVE64:
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/*
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* Raw data move. Use the Info value field unless ItemCount has
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* been previously initialized via a COUNT opcode
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*/
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if (Info->Value)
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{
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ItemCount = Info->Value;
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}
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AcpiRsMoveData (Destination, Source, ItemCount, Info->Opcode);
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break;
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case ACPI_RSC_SET8:
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ACPI_MEMSET (Destination, Info->AmlOffset, Info->Value);
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break;
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case ACPI_RSC_DATA8:
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Target = ACPI_ADD_PTR (char, Resource, Info->Value);
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ACPI_MEMCPY (Destination, Source, ACPI_GET16 (Target));
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break;
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case ACPI_RSC_ADDRESS:
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/*
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* Common handler for address descriptor flags
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*/
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if (!AcpiRsGetAddressCommon (Resource, Aml))
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{
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return_ACPI_STATUS (AE_AML_INVALID_RESOURCE_TYPE);
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}
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break;
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case ACPI_RSC_SOURCE:
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/*
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* Optional ResourceSource (Index and String)
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*/
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Resource->Length +=
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AcpiRsGetResourceSource (AmlResourceLength, Info->Value,
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Destination, Aml, NULL);
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break;
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case ACPI_RSC_SOURCEX:
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/*
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* Optional ResourceSource (Index and String). This is the more
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* complicated case used by the Interrupt() macro
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*/
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Target = ACPI_ADD_PTR (char, Resource, Info->AmlOffset + (ItemCount * 4));
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Resource->Length +=
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AcpiRsGetResourceSource (AmlResourceLength,
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(ACPI_RS_LENGTH) (((ItemCount - 1) * sizeof (UINT32)) + Info->Value),
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Destination, Aml, Target);
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break;
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case ACPI_RSC_BITMASK:
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/*
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* 8-bit encoded bitmask (DMA macro)
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*/
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ItemCount = AcpiRsDecodeBitmask (ACPI_GET8 (Source), Destination);
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if (ItemCount)
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{
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Resource->Length += (ItemCount - 1);
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}
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Target = ACPI_ADD_PTR (char, Resource, Info->Value);
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ACPI_SET8 (Target) = (UINT8) ItemCount;
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break;
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case ACPI_RSC_BITMASK16:
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/*
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* 16-bit encoded bitmask (IRQ macro)
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*/
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ACPI_MOVE_16_TO_16 (&Temp16, Source);
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ItemCount = AcpiRsDecodeBitmask (Temp16, Destination);
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if (ItemCount)
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{
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Resource->Length += (ItemCount - 1);
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}
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Target = ACPI_ADD_PTR (char, Resource, Info->Value);
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ACPI_SET8 (Target) = (UINT8) ItemCount;
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break;
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case ACPI_RSC_EXIT_NE:
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/*
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* Control - Exit conversion if not equal
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*/
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switch (Info->ResourceOffset)
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{
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case ACPI_RSC_COMPARE_AML_LENGTH:
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if (AmlResourceLength != Info->Value)
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{
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goto Exit;
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}
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break;
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case ACPI_RSC_COMPARE_VALUE:
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if (ACPI_GET8 (Source) != Info->Value)
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{
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goto Exit;
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}
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break;
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default:
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ACPI_ERROR ((AE_INFO, "Invalid conversion sub-opcode"));
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return_ACPI_STATUS (AE_BAD_PARAMETER);
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}
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break;
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default:
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ACPI_ERROR ((AE_INFO, "Invalid conversion opcode"));
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return_ACPI_STATUS (AE_BAD_PARAMETER);
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}
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Count--;
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Info++;
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}
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Exit:
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if (!FlagsMode)
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{
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/* Round the resource struct length up to the next boundary (32 or 64) */
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Resource->Length = (UINT32) ACPI_ROUND_UP_TO_NATIVE_WORD (Resource->Length);
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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: AcpiRsConvertResourceToAml
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*
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* PARAMETERS: Resource - Pointer to the resource descriptor
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* Aml - Where the AML descriptor is returned
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* Info - Pointer to appropriate conversion table
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*
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* RETURN: Status
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*
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* DESCRIPTION: Convert an internal resource descriptor to the corresponding
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* external AML resource descriptor.
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*
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******************************************************************************/
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ACPI_STATUS
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AcpiRsConvertResourceToAml (
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ACPI_RESOURCE *Resource,
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AML_RESOURCE *Aml,
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ACPI_RSCONVERT_INFO *Info)
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{
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void *Source = NULL;
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void *Destination;
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ACPI_RSDESC_SIZE AmlLength = 0;
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UINT8 Count;
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UINT16 Temp16 = 0;
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UINT16 ItemCount = 0;
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ACPI_FUNCTION_TRACE ("RsConvertResourceToAml");
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/*
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* First table entry must be ACPI_RSC_INITxxx and must contain the
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* table length (# of table entries)
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*/
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Count = INIT_TABLE_LENGTH (Info);
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while (Count)
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{
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/*
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* Source is the internal resource descriptor,
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* destination is the external AML byte stream buffer
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*/
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Source = ACPI_ADD_PTR (void, Resource, Info->ResourceOffset);
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Destination = ACPI_ADD_PTR (void, Aml, Info->AmlOffset);
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switch (Info->Opcode)
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{
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case ACPI_RSC_INITSET:
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ACPI_MEMSET (Aml, 0, INIT_RESOURCE_LENGTH (Info));
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AmlLength = INIT_RESOURCE_LENGTH (Info);
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AcpiRsSetResourceHeader (INIT_RESOURCE_TYPE (Info), AmlLength, Aml);
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break;
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case ACPI_RSC_INITGET:
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break;
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case ACPI_RSC_FLAGINIT:
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/*
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* Clear the flag byte
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*/
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ACPI_SET8 (Destination) = 0;
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break;
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case ACPI_RSC_1BITFLAG:
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/*
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* Mask and shift the flag bit
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*/
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ACPI_SET8 (Destination) |= (UINT8)
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((ACPI_GET8 (Source) & 0x01) << Info->Value);
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break;
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case ACPI_RSC_2BITFLAG:
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/*
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* Mask and shift the flag bits
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*/
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ACPI_SET8 (Destination) |= (UINT8)
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((ACPI_GET8 (Source) & 0x03) << Info->Value);
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break;
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case ACPI_RSC_COUNT:
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ItemCount = ACPI_GET8 (Source);
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ACPI_SET8 (Destination) = (UINT8) ItemCount;
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AmlLength = (UINT16) (AmlLength + (Info->Value * (ItemCount - 1)));
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break;
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case ACPI_RSC_COUNT16:
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ItemCount = ACPI_GET16 (Source);
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AmlLength = (UINT16) (AmlLength + ItemCount);
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AcpiRsSetResourceLength (AmlLength, Aml);
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break;
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case ACPI_RSC_LENGTH:
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AcpiRsSetResourceLength (Info->Value, Aml);
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break;
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case ACPI_RSC_MOVE8:
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case ACPI_RSC_MOVE16:
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case ACPI_RSC_MOVE32:
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case ACPI_RSC_MOVE64:
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if (Info->Value)
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{
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ItemCount = Info->Value;
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}
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AcpiRsMoveData (Destination, Source, ItemCount, Info->Opcode);
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break;
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case ACPI_RSC_ADDRESS:
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/* Set the Resource Type, General Flags, and Type-Specific Flags */
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AcpiRsSetAddressCommon (Aml, Resource);
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break;
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case ACPI_RSC_SOURCEX:
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/*
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* Optional ResourceSource (Index and String)
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*/
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AmlLength = AcpiRsSetResourceSource (
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Aml, (ACPI_RS_LENGTH) AmlLength, Source);
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AcpiRsSetResourceLength (AmlLength, Aml);
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break;
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case ACPI_RSC_SOURCE:
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/*
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* Optional ResourceSource (Index and String). This is the more
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* complicated case used by the Interrupt() macro
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*/
|
|
AmlLength = AcpiRsSetResourceSource (Aml, Info->Value, Source);
|
|
AcpiRsSetResourceLength (AmlLength, Aml);
|
|
break;
|
|
|
|
|
|
case ACPI_RSC_BITMASK:
|
|
/*
|
|
* 8-bit encoded bitmask (DMA macro)
|
|
*/
|
|
ACPI_SET8 (Destination) = (UINT8)
|
|
AcpiRsEncodeBitmask (Source,
|
|
*ACPI_ADD_PTR (UINT8, Resource, Info->Value));
|
|
break;
|
|
|
|
|
|
case ACPI_RSC_BITMASK16:
|
|
/*
|
|
* 16-bit encoded bitmask (IRQ macro)
|
|
*/
|
|
Temp16 = AcpiRsEncodeBitmask (Source,
|
|
*ACPI_ADD_PTR (UINT8, Resource, Info->Value));
|
|
ACPI_MOVE_16_TO_16 (Destination, &Temp16);
|
|
break;
|
|
|
|
|
|
case ACPI_RSC_EXIT_LE:
|
|
/*
|
|
* Control - Exit conversion if less than or equal
|
|
*/
|
|
if (ItemCount <= Info->Value)
|
|
{
|
|
goto Exit;
|
|
}
|
|
break;
|
|
|
|
|
|
case ACPI_RSC_EXIT_NE:
|
|
/*
|
|
* Control - Exit conversion if not equal
|
|
*/
|
|
switch (COMPARE_OPCODE (Info))
|
|
{
|
|
case ACPI_RSC_COMPARE_VALUE:
|
|
|
|
if (*ACPI_ADD_PTR (UINT8, Resource,
|
|
COMPARE_TARGET (Info)) != COMPARE_VALUE (Info))
|
|
{
|
|
goto Exit;
|
|
}
|
|
break;
|
|
|
|
default:
|
|
|
|
ACPI_ERROR ((AE_INFO, "Invalid conversion sub-opcode"));
|
|
return_ACPI_STATUS (AE_BAD_PARAMETER);
|
|
}
|
|
break;
|
|
|
|
|
|
default:
|
|
|
|
ACPI_ERROR ((AE_INFO, "Invalid conversion opcode"));
|
|
return_ACPI_STATUS (AE_BAD_PARAMETER);
|
|
}
|
|
|
|
Count--;
|
|
Info++;
|
|
}
|
|
|
|
Exit:
|
|
return_ACPI_STATUS (AE_OK);
|
|
}
|
|
|
|
|
|
#if 0
|
|
/* Previous resource validations */
|
|
|
|
if (Aml->ExtAddress64.RevisionID != AML_RESOURCE_EXTENDED_ADDRESS_REVISION)
|
|
{
|
|
return_ACPI_STATUS (AE_SUPPORT);
|
|
}
|
|
|
|
if (Resource->Data.StartDpf.PerformanceRobustness >= 3)
|
|
{
|
|
return_ACPI_STATUS (AE_AML_BAD_RESOURCE_VALUE);
|
|
}
|
|
|
|
if (((Aml->Irq.Flags & 0x09) == 0x00) ||
|
|
((Aml->Irq.Flags & 0x09) == 0x09))
|
|
{
|
|
/*
|
|
* Only [ActiveHigh, EdgeSensitive] or [ActiveLow, LevelSensitive]
|
|
* polarity/trigger interrupts are allowed (ACPI spec, section
|
|
* "IRQ Format"), so 0x00 and 0x09 are illegal.
|
|
*/
|
|
ACPI_ERROR ((AE_INFO,
|
|
"Invalid interrupt polarity/trigger in resource list, %X",
|
|
Aml->Irq.Flags));
|
|
return_ACPI_STATUS (AE_BAD_DATA);
|
|
}
|
|
|
|
Resource->Data.ExtendedIrq.InterruptCount = Temp8;
|
|
if (Temp8 < 1)
|
|
{
|
|
/* Must have at least one IRQ */
|
|
|
|
return_ACPI_STATUS (AE_AML_BAD_RESOURCE_LENGTH);
|
|
}
|
|
|
|
if (Resource->Data.Dma.Transfer == 0x03)
|
|
{
|
|
ACPI_ERROR ((AE_INFO,
|
|
"Invalid DMA.Transfer preference (3)"));
|
|
return_ACPI_STATUS (AE_BAD_DATA);
|
|
}
|
|
#endif
|
|
|
|
|