667 lines
23 KiB
C
667 lines
23 KiB
C
/******************************************************************************
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*
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* Module Name: tbconvrt - ACPI Table conversion utilities
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* $Revision: 19 $
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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 __TBCONVRT_C__
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#include "acpi.h"
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#include "achware.h"
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#include "actables.h"
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#include "actbl.h"
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#define _COMPONENT TABLE_MANAGER
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MODULE_NAME ("tbconvrt")
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/*
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* Build a GAS structure from earlier ACPI table entries (V1.0 and 0.71 extensions)
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*
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* 1) Address space
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* 2) Length in bytes -- convert to length in bits
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* 3) Bit offset is zero
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* 4) Reserved field is zero
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* 5) Expand address to 64 bits
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*/
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#define ASL_BUILD_GAS_FROM_ENTRY(a,b,c,d) {a.AddressSpaceId = (UINT8) d;\
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a.RegisterBitWidth = (UINT8) MUL_8 (b);\
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a.RegisterBitOffset = 0;\
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a.Reserved = 0;\
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ACPI_STORE_ADDRESS (a.Address,c);}
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/* ACPI V1.0 entries -- address space is always I/O */
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#define ASL_BUILD_GAS_FROM_V1_ENTRY(a,b,c) ASL_BUILD_GAS_FROM_ENTRY(a,b,c,ADDRESS_SPACE_SYSTEM_IO)
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/*******************************************************************************
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*
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* FUNCTION: AcpiTbConvertToXsdt
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*
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* PARAMETERS:
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*
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* RETURN:
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*
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* DESCRIPTION:
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*
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******************************************************************************/
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ACPI_STATUS
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AcpiTbConvertToXsdt (
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ACPI_TABLE_DESC *TableInfo,
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UINT32 *NumberOfTables)
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{
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UINT32 TableSize;
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UINT32 PointerSize;
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UINT32 i;
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XSDT_DESCRIPTOR *NewTable;
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#ifndef _IA64
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if (AcpiGbl_RSDP->Revision < 2)
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{
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PointerSize = sizeof (UINT32);
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}
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else
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#endif
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{
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PointerSize = sizeof (UINT64);
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}
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/*
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* Determine the number of tables pointed to by the RSDT/XSDT.
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* This is defined by the ACPI Specification to be the number of
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* pointers contained within the RSDT/XSDT. The size of the pointers
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* is architecture-dependent.
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*/
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TableSize = TableInfo->Pointer->Length;
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*NumberOfTables = (TableSize -
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sizeof (ACPI_TABLE_HEADER)) / PointerSize;
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/* Compute size of the converted XSDT */
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TableSize = (*NumberOfTables * sizeof (UINT64)) + sizeof (ACPI_TABLE_HEADER);
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/* Allocate an XSDT */
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NewTable = AcpiCmCallocate (TableSize);
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if (!NewTable)
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{
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return (AE_NO_MEMORY);
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}
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/* Copy the header and set the length */
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MEMCPY (NewTable, TableInfo->Pointer, sizeof (ACPI_TABLE_HEADER));
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NewTable->Header.Length = TableSize;
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/* Copy the table pointers */
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for (i = 0; i < *NumberOfTables; i++)
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{
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if (AcpiGbl_RSDP->Revision < 2)
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{
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#ifdef _IA64
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NewTable->TableOffsetEntry[i] =
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((RSDT_DESCRIPTOR_REV071 *) TableInfo->Pointer)->TableOffsetEntry[i];
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#else
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ACPI_STORE_ADDRESS (NewTable->TableOffsetEntry[i],
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((RSDT_DESCRIPTOR_REV1 *) TableInfo->Pointer)->TableOffsetEntry[i]);
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#endif
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}
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else
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{
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NewTable->TableOffsetEntry[i] =
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((XSDT_DESCRIPTOR *) TableInfo->Pointer)->TableOffsetEntry[i];
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}
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}
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/* Delete the original table (either mapped or in a buffer) */
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AcpiTbDeleteSingleTable (TableInfo);
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/* Point the table descriptor to the new table */
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TableInfo->Pointer = (ACPI_TABLE_HEADER *) NewTable;
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TableInfo->BasePointer = (ACPI_TABLE_HEADER *) NewTable;
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TableInfo->Length = TableSize;
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TableInfo->Allocation = ACPI_MEM_ALLOCATED;
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return (AE_OK);
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}
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/*******************************************************************************
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*
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* FUNCTION: AcpiTbConvertTableFadt
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*
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* PARAMETERS:
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*
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* RETURN:
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*
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* DESCRIPTION:
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* Converts BIOS supplied 1.0 and 0.71 ACPI FADT to an intermediate
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* ACPI 2.0 FADT. If the BIOS supplied a 2.0 FADT then it is simply
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* copied to the intermediate FADT. The ACPI CA software uses this
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* intermediate FADT. Thus a significant amount of special #ifdef
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* type codeing is saved. This intermediate FADT will need to be
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* freed at some point.
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*
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******************************************************************************/
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ACPI_STATUS
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AcpiTbConvertTableFadt (void)
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{
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#ifdef _IA64
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FADT_DESCRIPTOR_REV071 *FADT71;
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UINT8 Pm1AddressSpace;
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UINT8 Pm2AddressSpace;
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UINT8 PmTimerAddressSpace;
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UINT8 Gpe0AddressSpace;
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UINT8 Gpe1AddressSpace;
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#else
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FADT_DESCRIPTOR_REV1 *FADT1;
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#endif
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FADT_DESCRIPTOR_REV2 *FADT2;
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ACPI_TABLE_DESC *TableDesc;
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FUNCTION_TRACE ("AcpiTbConvertTableFadt");
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/* AcpiGbl_FADT is valid */
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/* Allocate and zero the 2.0 buffer */
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FADT2 = AcpiCmCallocate (sizeof (FADT_DESCRIPTOR_REV2));
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if (FADT2 == NULL)
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{
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return_ACPI_STATUS (AE_NO_MEMORY);
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}
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/* The ACPI FADT revision number is FADT2_REVISION_ID=3 */
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/* So, if the current table revision is less than 3 it is type 1.0 or 0.71 */
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if (AcpiGbl_FADT->header.Revision >= FADT2_REVISION_ID)
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{
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/* We have an ACPI 2.0 FADT but we must copy it to our local buffer */
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*FADT2 = *((FADT_DESCRIPTOR_REV2*) AcpiGbl_FADT);
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}
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else
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{
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#ifdef _IA64
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/*
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* For the 64-bit case only, a revision ID less than V2.0 means the
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* tables are the 0.71 extensions
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*/
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/* The BIOS stored FADT should agree with Revision 0.71 */
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FADT71 = (FADT_DESCRIPTOR_REV071 *) AcpiGbl_FADT;
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/* Copy the table header*/
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FADT2->header = FADT71->header;
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/* Copy the common fields */
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FADT2->SciInt = FADT71->SciInt;
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FADT2->AcpiEnable = FADT71->AcpiEnable;
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FADT2->AcpiDisable = FADT71->AcpiDisable;
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FADT2->S4BiosReq = FADT71->S4BiosReq;
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FADT2->Plvl2Lat = FADT71->Plvl2Lat;
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FADT2->Plvl3Lat = FADT71->Plvl3Lat;
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FADT2->DayAlrm = FADT71->DayAlrm;
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FADT2->MonAlrm = FADT71->MonAlrm;
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FADT2->Century = FADT71->Century;
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FADT2->Gpe1Base = FADT71->Gpe1Base;
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/*
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* We still use the block length registers even though
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* the GAS structure should obsolete them. This is because
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* these registers are byte lengths versus the GAS which
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* contains a bit width
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*/
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FADT2->Pm1EvtLen = FADT71->Pm1EvtLen;
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FADT2->Pm1CntLen = FADT71->Pm1CntLen;
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FADT2->Pm2CntLen = FADT71->Pm2CntLen;
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FADT2->PmTmLen = FADT71->PmTmLen;
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FADT2->Gpe0BlkLen = FADT71->Gpe0BlkLen;
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FADT2->Gpe1BlkLen = FADT71->Gpe1BlkLen;
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FADT2->Gpe1Base = FADT71->Gpe1Base;
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/* Copy the existing 0.71 flags to 2.0. The other bits are zero.*/
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FADT2->WbInvd = FADT71->FlushCash;
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FADT2->ProcC1 = FADT71->ProcC1;
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FADT2->Plvl2Up = FADT71->Plvl2Up;
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FADT2->PwrButton = FADT71->PwrButton;
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FADT2->SleepButton = FADT71->SleepButton;
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FADT2->FixedRTC = FADT71->FixedRTC;
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FADT2->Rtcs4 = FADT71->Rtcs4;
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FADT2->TmrValExt = FADT71->TmrValExt;
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FADT2->DockCap = FADT71->DockCap;
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/* We should not use these next two addresses */
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/* Since our buffer is pre-zeroed nothing to do for */
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/* the next three data items in the structure */
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/* FADT2->FirmwareCtrl = 0; */
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/* FADT2->Dsdt = 0; */
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/* System Interrupt Model isn't used in ACPI 2.0*/
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/* FADT2->Reserved1 = 0; */
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/* This field is set by the OEM to convey the preferred */
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/* power management profile to OSPM. It doesn't have any*/
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/* 0.71 equivalence. Since we don't know what kind of */
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/* 64-bit system this is, we will pick unspecified. */
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FADT2->Prefer_PM_Profile = PM_UNSPECIFIED;
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/* Port address of SMI command port */
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/* We shouldn't use this port because IA64 doesn't */
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/* have or use SMI. It has PMI. */
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FADT2->SmiCmd = (UINT32)(FADT71->SmiCmd & 0xFFFFFFFF);
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/* processor performance state control*/
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/* The value OSPM writes to the SMI_CMD register to assume */
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/* processor performance state control responsibility. */
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/* There isn't any equivalence in 0.71 */
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/* Again this should be meaningless for IA64 */
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/* FADT2->PstateCnt = 0; */
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/* The 32-bit Power management and GPE registers are */
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/* not valid in IA-64 and we are not going to use them */
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/* so leaving them pre-zeroed. */
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/* Support for the _CST object and C States change notification.*/
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/* This data item hasn't any 0.71 equivalence so leaving it zero.*/
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/* FADT2->CstCnt = 0; */
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/* number of flush strides that need to be read */
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/* No 0.71 equivalence. Leave pre-zeroed. */
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/* FADT2->FlushSize = 0; */
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/* Processor's memory cache line width, in bytes */
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/* No 0.71 equivalence. Leave pre-zeroed. */
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/* FADT2->FlushStride = 0; */
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/* Processor's duty cycle index in processor's P_CNT reg*/
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/* No 0.71 equivalence. Leave pre-zeroed. */
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/* FADT2->DutyOffset = 0; */
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/* Processor's duty cycle value bit width in P_CNT register.*/
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/* No 0.71 equivalence. Leave pre-zeroed. */
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/* FADT2->DutyWidth = 0; */
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/* Since there isn't any equivalence in 0.71 */
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/* and since BigSur had to support legacy */
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FADT2->IapcBootArch = BAF_LEGACY_DEVICES;
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/* Copy to ACPI 2.0 64-BIT Extended Addresses */
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FADT2->XFirmwareCtrl = FADT71->FirmwareCtrl;
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FADT2->XDsdt = FADT71->Dsdt;
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/* Extract the address space IDs */
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Pm1AddressSpace = (UINT8)((FADT71->AddressSpace & PM1_BLK_ADDRESS_SPACE) >> 1);
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Pm2AddressSpace = (UINT8)((FADT71->AddressSpace & PM2_CNT_BLK_ADDRESS_SPACE) >> 2);
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PmTimerAddressSpace = (UINT8)((FADT71->AddressSpace & PM_TMR_BLK_ADDRESS_SPACE) >> 3);
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Gpe0AddressSpace = (UINT8)((FADT71->AddressSpace & GPE0_BLK_ADDRESS_SPACE) >> 4);
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Gpe1AddressSpace = (UINT8)((FADT71->AddressSpace & GPE1_BLK_ADDRESS_SPACE) >> 5);
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/*
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* Convert the 0.71 (non-GAS style) Block addresses to V2.0 GAS structures,
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* in this order:
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*
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* PM 1A Events
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* PM 1B Events
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* PM 1A Control
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* PM 1B Control
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* PM 2 Control
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* PM Timer Control
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* GPE Block 0
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* GPE Block 1
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*/
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ASL_BUILD_GAS_FROM_ENTRY (FADT2->XPm1aEvtBlk, FADT71->Pm1EvtLen, FADT71->Pm1aEvtBlk, Pm1AddressSpace);
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ASL_BUILD_GAS_FROM_ENTRY (FADT2->XPm1bEvtBlk, FADT71->Pm1EvtLen, FADT71->Pm1bEvtBlk, Pm1AddressSpace);
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ASL_BUILD_GAS_FROM_ENTRY (FADT2->XPm1aCntBlk, FADT71->Pm1CntLen, FADT71->Pm1aCntBlk, Pm1AddressSpace);
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ASL_BUILD_GAS_FROM_ENTRY (FADT2->XPm1bCntBlk, FADT71->Pm1CntLen, FADT71->Pm1bCntBlk, Pm1AddressSpace);
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ASL_BUILD_GAS_FROM_ENTRY (FADT2->XPm2CntBlk, FADT71->Pm2CntLen, FADT71->Pm2CntBlk, Pm2AddressSpace);
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ASL_BUILD_GAS_FROM_ENTRY (FADT2->XPmTmrBlk, FADT71->PmTmLen, FADT71->PmTmrBlk, PmTimerAddressSpace);
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ASL_BUILD_GAS_FROM_ENTRY (FADT2->XGpe0Blk, FADT71->Gpe0BlkLen, FADT71->Gpe0Blk, Gpe0AddressSpace);
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ASL_BUILD_GAS_FROM_ENTRY (FADT2->XGpe1Blk, FADT71->Gpe1BlkLen, FADT71->Gpe1Blk, Gpe1AddressSpace);
|
|
|
|
#else
|
|
|
|
/* ACPI 1.0 FACS */
|
|
|
|
|
|
/* The BIOS stored FADT should agree with Revision 1.0 */
|
|
|
|
FADT1 = (FADT_DESCRIPTOR_REV1*) AcpiGbl_FADT;
|
|
|
|
/*
|
|
* Copy the table header and the common part of the tables
|
|
* The 2.0 table is an extension of the 1.0 table, so the
|
|
* entire 1.0 table can be copied first, then expand some
|
|
* fields to 64 bits.
|
|
*/
|
|
|
|
MEMCPY (FADT2, FADT1, sizeof (FADT_DESCRIPTOR_REV1));
|
|
|
|
|
|
/* Convert table pointers to 64-bit fields */
|
|
|
|
ACPI_STORE_ADDRESS (FADT2->XFirmwareCtrl, FADT1->FirmwareCtrl);
|
|
ACPI_STORE_ADDRESS (FADT2->XDsdt, FADT1->Dsdt);
|
|
|
|
/* System Interrupt Model isn't used in ACPI 2.0*/
|
|
/* FADT2->Reserved1 = 0; */
|
|
|
|
/* This field is set by the OEM to convey the preferred */
|
|
/* power management profile to OSPM. It doesn't have any*/
|
|
/* 1.0 equivalence. Since we don't know what kind of */
|
|
/* 32-bit system this is, we will pick unspecified. */
|
|
|
|
FADT2->Prefer_PM_Profile = PM_UNSPECIFIED;
|
|
|
|
|
|
/* Processor Performance State Control. This is the value */
|
|
/* OSPM writes to the SMI_CMD register to assume processor */
|
|
/* performance state control responsibility. There isn't */
|
|
/* any equivalence in 1.0. So leave it zeroed. */
|
|
|
|
FADT2->PstateCnt = 0;
|
|
|
|
|
|
/* Support for the _CST object and C States change notification.*/
|
|
/* This data item hasn't any 1.0 equivalence so leaving it zero.*/
|
|
|
|
FADT2->CstCnt = 0;
|
|
|
|
|
|
/* Since there isn't any equivalence in 1.0 and since it */
|
|
/* is highly likely that a 1.0 system has legacy support. */
|
|
|
|
FADT2->IapcBootArch = BAF_LEGACY_DEVICES;
|
|
|
|
|
|
/*
|
|
* Convert the V1.0 Block addresses to V2.0 GAS structures
|
|
* in this order:
|
|
*
|
|
* PM 1A Events
|
|
* PM 1B Events
|
|
* PM 1A Control
|
|
* PM 1B Control
|
|
* PM 2 Control
|
|
* PM Timer Control
|
|
* GPE Block 0
|
|
* GPE Block 1
|
|
*/
|
|
|
|
ASL_BUILD_GAS_FROM_V1_ENTRY (FADT2->XPm1aEvtBlk, FADT1->Pm1EvtLen, FADT1->Pm1aEvtBlk);
|
|
ASL_BUILD_GAS_FROM_V1_ENTRY (FADT2->XPm1bEvtBlk, FADT1->Pm1EvtLen, FADT1->Pm1bEvtBlk);
|
|
ASL_BUILD_GAS_FROM_V1_ENTRY (FADT2->XPm1aCntBlk, FADT1->Pm1CntLen, FADT1->Pm1aCntBlk);
|
|
ASL_BUILD_GAS_FROM_V1_ENTRY (FADT2->XPm1bCntBlk, FADT1->Pm1CntLen, FADT1->Pm1bCntBlk);
|
|
ASL_BUILD_GAS_FROM_V1_ENTRY (FADT2->XPm2CntBlk, FADT1->Pm2CntLen, FADT1->Pm2CntBlk);
|
|
ASL_BUILD_GAS_FROM_V1_ENTRY (FADT2->XPmTmrBlk, FADT1->PmTmLen, FADT1->PmTmrBlk);
|
|
ASL_BUILD_GAS_FROM_V1_ENTRY (FADT2->XGpe0Blk, FADT1->Gpe0BlkLen, FADT1->Gpe0Blk);
|
|
ASL_BUILD_GAS_FROM_V1_ENTRY (FADT2->XGpe1Blk, FADT1->Gpe1BlkLen, FADT1->Gpe1Blk);
|
|
#endif
|
|
}
|
|
|
|
|
|
/*
|
|
* Global FADT pointer will point to the common V2.0 FADT
|
|
*/
|
|
AcpiGbl_FADT = FADT2;
|
|
AcpiGbl_FADT->header.Length = sizeof (FADT_DESCRIPTOR);
|
|
|
|
|
|
/* Free the original table */
|
|
|
|
TableDesc = &AcpiGbl_AcpiTables[ACPI_TABLE_FADT];
|
|
AcpiTbDeleteSingleTable (TableDesc);
|
|
|
|
|
|
/* Install the new table */
|
|
|
|
TableDesc->Pointer = (ACPI_TABLE_HEADER *) AcpiGbl_FADT;
|
|
TableDesc->BasePointer = AcpiGbl_FADT;
|
|
TableDesc->Allocation = ACPI_MEM_ALLOCATED;
|
|
TableDesc->Length = sizeof (FADT_DESCRIPTOR_REV2);
|
|
|
|
|
|
/* Dump the entire FADT */
|
|
|
|
DEBUG_PRINT (TRACE_TABLES,
|
|
("Hex dump of common internal FADT, size %ld (%lX)\n",
|
|
AcpiGbl_FADT->header.Length, AcpiGbl_FADT->header.Length));
|
|
DUMP_BUFFER ((UINT8 *) (AcpiGbl_FADT), AcpiGbl_FADT->header.Length);
|
|
|
|
|
|
return_ACPI_STATUS (AE_OK);
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: AcpiTbConvertTableFacs
|
|
*
|
|
* PARAMETERS:
|
|
*
|
|
* RETURN:
|
|
*
|
|
* DESCRIPTION:
|
|
*
|
|
******************************************************************************/
|
|
|
|
ACPI_STATUS
|
|
AcpiTbBuildCommonFacs (
|
|
ACPI_TABLE_DESC *TableInfo)
|
|
{
|
|
ACPI_COMMON_FACS *CommonFacs;
|
|
|
|
#ifdef _IA64
|
|
FACS_DESCRIPTOR_REV071 *FACS71;
|
|
#else
|
|
FACS_DESCRIPTOR_REV1 *FACS1;
|
|
#endif
|
|
|
|
FACS_DESCRIPTOR_REV2 *FACS2;
|
|
|
|
|
|
FUNCTION_TRACE ("AcpiTbBuildCommonFacs");
|
|
|
|
|
|
/* Allocate a common FACS */
|
|
|
|
CommonFacs = AcpiCmCallocate (sizeof (ACPI_COMMON_FACS));
|
|
if (!CommonFacs)
|
|
{
|
|
return_ACPI_STATUS (AE_NO_MEMORY);
|
|
}
|
|
|
|
|
|
/* Copy fields to the new FACS */
|
|
|
|
if (AcpiGbl_RSDP->Revision < 2)
|
|
{
|
|
#ifdef _IA64
|
|
/* 0.71 FACS */
|
|
|
|
FACS71 = (FACS_DESCRIPTOR_REV071 *) AcpiGbl_FACS;
|
|
|
|
CommonFacs->GlobalLock = (UINT32 *) &(FACS71->GlobalLock);
|
|
CommonFacs->FirmwareWakingVector = &FACS71->FirmwareWakingVector;
|
|
CommonFacs->VectorWidth = 64;
|
|
#else
|
|
/* ACPI 1.0 FACS */
|
|
|
|
FACS1 = (FACS_DESCRIPTOR_REV1 *) AcpiGbl_FACS;
|
|
|
|
CommonFacs->GlobalLock = &(FACS1->GlobalLock);
|
|
CommonFacs->FirmwareWakingVector = (UINT64 *) &FACS1->FirmwareWakingVector;
|
|
CommonFacs->VectorWidth = 32;
|
|
|
|
#endif
|
|
}
|
|
|
|
else
|
|
{
|
|
/* ACPI 2.0 FACS */
|
|
|
|
FACS2 = (FACS_DESCRIPTOR_REV2 *) AcpiGbl_FACS;
|
|
|
|
CommonFacs->GlobalLock = &(FACS2->GlobalLock);
|
|
CommonFacs->FirmwareWakingVector = &FACS2->XFirmwareWakingVector;
|
|
CommonFacs->VectorWidth = 64;
|
|
}
|
|
|
|
|
|
/* Set the global FACS pointer to point to the common FACS */
|
|
|
|
|
|
AcpiGbl_FACS = CommonFacs;
|
|
|
|
return_ACPI_STATUS (AE_OK);
|
|
}
|
|
|
|
|