706 lines
24 KiB
C
706 lines
24 KiB
C
/******************************************************************************
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*
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* Module Name: tbconvrt - ACPI Table conversion utilities
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* $Revision: 1.64 $
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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 - 2005, 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 <contrib/dev/acpica/acpi.h>
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#include <contrib/dev/acpica/actables.h>
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#define _COMPONENT ACPI_TABLES
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ACPI_MODULE_NAME ("tbconvrt")
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/* Local prototypes */
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static void
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AcpiTbInitGenericAddress (
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ACPI_GENERIC_ADDRESS *NewGasStruct,
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UINT8 RegisterBitWidth,
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ACPI_PHYSICAL_ADDRESS Address);
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static void
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AcpiTbConvertFadt1 (
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FADT_DESCRIPTOR_REV2 *LocalFadt,
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FADT_DESCRIPTOR_REV1 *OriginalFadt);
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static void
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AcpiTbConvertFadt2 (
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FADT_DESCRIPTOR_REV2 *LocalFadt,
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FADT_DESCRIPTOR_REV2 *OriginalFadt);
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/*******************************************************************************
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*
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* FUNCTION: AcpiTbGetTableCount
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*
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* PARAMETERS: RSDP - Pointer to the RSDP
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* RSDT - Pointer to the RSDT/XSDT
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*
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* RETURN: The number of tables pointed to by the RSDT or XSDT.
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*
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* DESCRIPTION: Calculate the number of tables. Automatically handles either
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* an RSDT or XSDT.
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*
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******************************************************************************/
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UINT32
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AcpiTbGetTableCount (
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RSDP_DESCRIPTOR *RSDP,
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ACPI_TABLE_HEADER *RSDT)
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{
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UINT32 PointerSize;
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ACPI_FUNCTION_ENTRY ();
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/* RSDT pointers are 32 bits, XSDT pointers are 64 bits */
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if (AcpiGbl_RootTableType == ACPI_TABLE_TYPE_RSDT)
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{
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PointerSize = sizeof (UINT32);
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}
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else
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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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return ((RSDT->Length - sizeof (ACPI_TABLE_HEADER)) / PointerSize);
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}
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/*******************************************************************************
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*
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* FUNCTION: AcpiTbConvertToXsdt
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*
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* PARAMETERS: TableInfo - Info about the RSDT
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*
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* RETURN: Status
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*
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* DESCRIPTION: Convert an RSDT to an XSDT (internal common format)
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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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{
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ACPI_SIZE TableSize;
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UINT32 i;
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XSDT_DESCRIPTOR *NewTable;
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ACPI_FUNCTION_ENTRY ();
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/* Compute size of the converted XSDT */
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TableSize = ((ACPI_SIZE) AcpiGbl_RsdtTableCount * sizeof (UINT64)) +
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sizeof (ACPI_TABLE_HEADER);
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/* Allocate an XSDT */
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NewTable = ACPI_MEM_CALLOCATE (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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ACPI_MEMCPY (NewTable, TableInfo->Pointer, sizeof (ACPI_TABLE_HEADER));
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NewTable->Length = (UINT32) TableSize;
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/* Copy the table pointers */
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for (i = 0; i < AcpiGbl_RsdtTableCount; i++)
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{
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/* RSDT pointers are 32 bits, XSDT pointers are 64 bits */
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if (AcpiGbl_RootTableType == ACPI_TABLE_TYPE_RSDT)
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{
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ACPI_STORE_ADDRESS (NewTable->TableOffsetEntry[i],
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(ACPI_CAST_PTR (RSDT_DESCRIPTOR_REV1,
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TableInfo->Pointer))->TableOffsetEntry[i]);
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}
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else
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{
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NewTable->TableOffsetEntry[i] =
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(ACPI_CAST_PTR (XSDT_DESCRIPTOR,
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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_CAST_PTR (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: AcpiTbInitGenericAddress
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*
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* PARAMETERS: NewGasStruct - GAS struct to be initialized
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* RegisterBitWidth - Width of this register
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* Address - Address of the register
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*
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* RETURN: None
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*
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* DESCRIPTION: Initialize a GAS structure.
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*
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******************************************************************************/
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static void
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AcpiTbInitGenericAddress (
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ACPI_GENERIC_ADDRESS *NewGasStruct,
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UINT8 RegisterBitWidth,
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ACPI_PHYSICAL_ADDRESS Address)
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{
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ACPI_STORE_ADDRESS (NewGasStruct->Address, Address);
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NewGasStruct->AddressSpaceId = ACPI_ADR_SPACE_SYSTEM_IO;
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NewGasStruct->RegisterBitWidth = RegisterBitWidth;
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NewGasStruct->RegisterBitOffset = 0;
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NewGasStruct->AccessWidth = 0;
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}
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/*******************************************************************************
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*
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* FUNCTION: AcpiTbConvertFadt1
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*
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* PARAMETERS: LocalFadt - Pointer to new FADT
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* OriginalFadt - Pointer to old FADT
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*
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* RETURN: None, populates LocalFadt
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*
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* DESCRIPTION: Convert an ACPI 1.0 FADT to common internal format
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*
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******************************************************************************/
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static void
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AcpiTbConvertFadt1 (
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FADT_DESCRIPTOR_REV2 *LocalFadt,
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FADT_DESCRIPTOR_REV1 *OriginalFadt)
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{
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/* ACPI 1.0 FACS */
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/* The BIOS stored FADT should agree with Revision 1.0 */
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/*
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* Copy the table header and the common part of the tables.
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*
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* The 2.0 table is an extension of the 1.0 table, so the entire 1.0
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* table can be copied first, then expand some fields to 64 bits.
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*/
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ACPI_MEMCPY (LocalFadt, OriginalFadt, sizeof (FADT_DESCRIPTOR_REV1));
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/* Convert table pointers to 64-bit fields */
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ACPI_STORE_ADDRESS (LocalFadt->XFirmwareCtrl, LocalFadt->V1_FirmwareCtrl);
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ACPI_STORE_ADDRESS (LocalFadt->XDsdt, LocalFadt->V1_Dsdt);
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/*
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* System Interrupt Model isn't used in ACPI 2.0
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* (LocalFadt->Reserved1 = 0;)
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*/
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/*
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* This field is set by the OEM to convey the preferred power management
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* profile to OSPM. It doesn't have any 1.0 equivalence. Since we don't
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* know what kind of 32-bit system this is, we will use "unspecified".
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*/
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LocalFadt->Prefer_PM_Profile = PM_UNSPECIFIED;
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/*
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* Processor Performance State Control. This is the value OSPM writes to
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* the SMI_CMD register to assume processor performance state control
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* responsibility. There isn't any equivalence in 1.0, leave it zeroed.
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*/
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LocalFadt->PstateCnt = 0;
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/*
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* Support for the _CST object and C States change notification.
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* This data item hasn't any 1.0 equivalence so leave it zero.
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*/
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LocalFadt->CstCnt = 0;
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/*
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* FADT Rev 2 was an interim FADT released between ACPI 1.0 and ACPI 2.0.
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* It primarily adds the FADT reset mechanism.
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*/
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if ((OriginalFadt->Revision == 2) &&
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(OriginalFadt->Length == sizeof (FADT_DESCRIPTOR_REV2_MINUS)))
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{
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/*
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* Grab the entire generic address struct, plus the 1-byte reset value
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* that immediately follows.
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*/
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ACPI_MEMCPY (&LocalFadt->ResetRegister,
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&(ACPI_CAST_PTR (FADT_DESCRIPTOR_REV2_MINUS,
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OriginalFadt))->ResetRegister,
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sizeof (ACPI_GENERIC_ADDRESS) + 1);
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}
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else
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{
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/*
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* Since there isn't any equivalence in 1.0 and since it is highly
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* likely that a 1.0 system has legacy support.
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*/
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LocalFadt->IapcBootArch = BAF_LEGACY_DEVICES;
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}
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/*
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* Convert the V1.0 block addresses to V2.0 GAS structures
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*/
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AcpiTbInitGenericAddress (&LocalFadt->XPm1aEvtBlk, LocalFadt->Pm1EvtLen,
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(ACPI_PHYSICAL_ADDRESS) LocalFadt->V1_Pm1aEvtBlk);
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AcpiTbInitGenericAddress (&LocalFadt->XPm1bEvtBlk, LocalFadt->Pm1EvtLen,
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(ACPI_PHYSICAL_ADDRESS) LocalFadt->V1_Pm1bEvtBlk);
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AcpiTbInitGenericAddress (&LocalFadt->XPm1aCntBlk, LocalFadt->Pm1CntLen,
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(ACPI_PHYSICAL_ADDRESS) LocalFadt->V1_Pm1aCntBlk);
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AcpiTbInitGenericAddress (&LocalFadt->XPm1bCntBlk, LocalFadt->Pm1CntLen,
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(ACPI_PHYSICAL_ADDRESS) LocalFadt->V1_Pm1bCntBlk);
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AcpiTbInitGenericAddress (&LocalFadt->XPm2CntBlk, LocalFadt->Pm2CntLen,
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(ACPI_PHYSICAL_ADDRESS) LocalFadt->V1_Pm2CntBlk);
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AcpiTbInitGenericAddress (&LocalFadt->XPmTmrBlk, LocalFadt->PmTmLen,
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(ACPI_PHYSICAL_ADDRESS) LocalFadt->V1_PmTmrBlk);
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AcpiTbInitGenericAddress (&LocalFadt->XGpe0Blk, 0,
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(ACPI_PHYSICAL_ADDRESS) LocalFadt->V1_Gpe0Blk);
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AcpiTbInitGenericAddress (&LocalFadt->XGpe1Blk, 0,
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(ACPI_PHYSICAL_ADDRESS) LocalFadt->V1_Gpe1Blk);
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/* Create separate GAS structs for the PM1 Enable registers */
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AcpiTbInitGenericAddress (&AcpiGbl_XPm1aEnable,
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(UINT8) ACPI_DIV_2 (AcpiGbl_FADT->Pm1EvtLen),
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(ACPI_PHYSICAL_ADDRESS)
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(ACPI_GET_ADDRESS (LocalFadt->XPm1aEvtBlk.Address) +
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ACPI_DIV_2 (AcpiGbl_FADT->Pm1EvtLen)));
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/* PM1B is optional; leave null if not present */
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if (ACPI_GET_ADDRESS (LocalFadt->XPm1bEvtBlk.Address))
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{
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AcpiTbInitGenericAddress (&AcpiGbl_XPm1bEnable,
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(UINT8) ACPI_DIV_2 (AcpiGbl_FADT->Pm1EvtLen),
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(ACPI_PHYSICAL_ADDRESS)
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(ACPI_GET_ADDRESS (LocalFadt->XPm1bEvtBlk.Address) +
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ACPI_DIV_2 (AcpiGbl_FADT->Pm1EvtLen)));
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}
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}
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/*******************************************************************************
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*
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* FUNCTION: AcpiTbConvertFadt2
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*
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* PARAMETERS: LocalFadt - Pointer to new FADT
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* OriginalFadt - Pointer to old FADT
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*
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* RETURN: None, populates LocalFadt
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*
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* DESCRIPTION: Convert an ACPI 2.0 FADT to common internal format.
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* Handles optional "X" fields.
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*
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******************************************************************************/
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static void
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AcpiTbConvertFadt2 (
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FADT_DESCRIPTOR_REV2 *LocalFadt,
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FADT_DESCRIPTOR_REV2 *OriginalFadt)
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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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ACPI_MEMCPY (LocalFadt, OriginalFadt, sizeof (FADT_DESCRIPTOR_REV2));
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/*
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* "X" fields are optional extensions to the original V1.0 fields, so
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* we must selectively expand V1.0 fields if the corresponding X field
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* is zero.
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*/
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if (!(ACPI_GET_ADDRESS (LocalFadt->XFirmwareCtrl)))
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{
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ACPI_STORE_ADDRESS (LocalFadt->XFirmwareCtrl,
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LocalFadt->V1_FirmwareCtrl);
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}
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if (!(ACPI_GET_ADDRESS (LocalFadt->XDsdt)))
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{
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ACPI_STORE_ADDRESS (LocalFadt->XDsdt, LocalFadt->V1_Dsdt);
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}
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if (!(ACPI_GET_ADDRESS (LocalFadt->XPm1aEvtBlk.Address)))
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{
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AcpiTbInitGenericAddress (&LocalFadt->XPm1aEvtBlk,
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LocalFadt->Pm1EvtLen,
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(ACPI_PHYSICAL_ADDRESS) LocalFadt->V1_Pm1aEvtBlk);
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}
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if (!(ACPI_GET_ADDRESS (LocalFadt->XPm1bEvtBlk.Address)))
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{
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AcpiTbInitGenericAddress (&LocalFadt->XPm1bEvtBlk,
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LocalFadt->Pm1EvtLen,
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(ACPI_PHYSICAL_ADDRESS) LocalFadt->V1_Pm1bEvtBlk);
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}
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if (!(ACPI_GET_ADDRESS (LocalFadt->XPm1aCntBlk.Address)))
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{
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AcpiTbInitGenericAddress (&LocalFadt->XPm1aCntBlk,
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|
LocalFadt->Pm1CntLen,
|
|
(ACPI_PHYSICAL_ADDRESS) LocalFadt->V1_Pm1aCntBlk);
|
|
}
|
|
|
|
if (!(ACPI_GET_ADDRESS (LocalFadt->XPm1bCntBlk.Address)))
|
|
{
|
|
AcpiTbInitGenericAddress (&LocalFadt->XPm1bCntBlk,
|
|
LocalFadt->Pm1CntLen,
|
|
(ACPI_PHYSICAL_ADDRESS) LocalFadt->V1_Pm1bCntBlk);
|
|
}
|
|
|
|
if (!(ACPI_GET_ADDRESS (LocalFadt->XPm2CntBlk.Address)))
|
|
{
|
|
AcpiTbInitGenericAddress (&LocalFadt->XPm2CntBlk,
|
|
LocalFadt->Pm2CntLen,
|
|
(ACPI_PHYSICAL_ADDRESS) LocalFadt->V1_Pm2CntBlk);
|
|
}
|
|
|
|
if (!(ACPI_GET_ADDRESS (LocalFadt->XPmTmrBlk.Address)))
|
|
{
|
|
AcpiTbInitGenericAddress (&LocalFadt->XPmTmrBlk,
|
|
LocalFadt->PmTmLen,
|
|
(ACPI_PHYSICAL_ADDRESS) LocalFadt->V1_PmTmrBlk);
|
|
}
|
|
|
|
if (!(ACPI_GET_ADDRESS (LocalFadt->XGpe0Blk.Address)))
|
|
{
|
|
AcpiTbInitGenericAddress (&LocalFadt->XGpe0Blk,
|
|
0, (ACPI_PHYSICAL_ADDRESS) LocalFadt->V1_Gpe0Blk);
|
|
}
|
|
|
|
if (!(ACPI_GET_ADDRESS (LocalFadt->XGpe1Blk.Address)))
|
|
{
|
|
AcpiTbInitGenericAddress (&LocalFadt->XGpe1Blk,
|
|
0, (ACPI_PHYSICAL_ADDRESS) LocalFadt->V1_Gpe1Blk);
|
|
}
|
|
|
|
/* Create separate GAS structs for the PM1 Enable registers */
|
|
|
|
AcpiTbInitGenericAddress (&AcpiGbl_XPm1aEnable,
|
|
(UINT8) ACPI_DIV_2 (AcpiGbl_FADT->Pm1EvtLen),
|
|
(ACPI_PHYSICAL_ADDRESS)
|
|
(ACPI_GET_ADDRESS (LocalFadt->XPm1aEvtBlk.Address) +
|
|
ACPI_DIV_2 (AcpiGbl_FADT->Pm1EvtLen)));
|
|
|
|
AcpiGbl_XPm1aEnable.AddressSpaceId =
|
|
LocalFadt->XPm1aEvtBlk.AddressSpaceId;
|
|
|
|
/* PM1B is optional; leave null if not present */
|
|
|
|
if (ACPI_GET_ADDRESS (LocalFadt->XPm1bEvtBlk.Address))
|
|
{
|
|
AcpiTbInitGenericAddress (&AcpiGbl_XPm1bEnable,
|
|
(UINT8) ACPI_DIV_2 (AcpiGbl_FADT->Pm1EvtLen),
|
|
(ACPI_PHYSICAL_ADDRESS)
|
|
(ACPI_GET_ADDRESS (LocalFadt->XPm1bEvtBlk.Address) +
|
|
ACPI_DIV_2 (AcpiGbl_FADT->Pm1EvtLen)));
|
|
|
|
AcpiGbl_XPm1bEnable.AddressSpaceId =
|
|
LocalFadt->XPm1bEvtBlk.AddressSpaceId;
|
|
}
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: AcpiTbConvertTableFadt
|
|
*
|
|
* PARAMETERS: None
|
|
*
|
|
* RETURN: Status
|
|
*
|
|
* DESCRIPTION: Converts a BIOS supplied ACPI 1.0 FADT to a local
|
|
* ACPI 2.0 FADT. If the BIOS supplied a 2.0 FADT then it is simply
|
|
* copied to the local FADT. The ACPI CA software uses this
|
|
* local FADT. Thus a significant amount of special #ifdef
|
|
* type codeing is saved.
|
|
*
|
|
******************************************************************************/
|
|
|
|
ACPI_STATUS
|
|
AcpiTbConvertTableFadt (
|
|
void)
|
|
{
|
|
FADT_DESCRIPTOR_REV2 *LocalFadt;
|
|
ACPI_TABLE_DESC *TableDesc;
|
|
|
|
|
|
ACPI_FUNCTION_TRACE ("TbConvertTableFadt");
|
|
|
|
|
|
/*
|
|
* AcpiGbl_FADT is valid. Validate the FADT length. The table must be
|
|
* at least as long as the version 1.0 FADT
|
|
*/
|
|
if (AcpiGbl_FADT->Length < sizeof (FADT_DESCRIPTOR_REV1))
|
|
{
|
|
ACPI_REPORT_ERROR (("FADT is invalid, too short: 0x%X\n",
|
|
AcpiGbl_FADT->Length));
|
|
return_ACPI_STATUS (AE_INVALID_TABLE_LENGTH);
|
|
}
|
|
|
|
/* Allocate buffer for the ACPI 2.0(+) FADT */
|
|
|
|
LocalFadt = ACPI_MEM_CALLOCATE (sizeof (FADT_DESCRIPTOR_REV2));
|
|
if (!LocalFadt)
|
|
{
|
|
return_ACPI_STATUS (AE_NO_MEMORY);
|
|
}
|
|
|
|
if (AcpiGbl_FADT->Revision >= FADT2_REVISION_ID)
|
|
{
|
|
if (AcpiGbl_FADT->Length < sizeof (FADT_DESCRIPTOR_REV2))
|
|
{
|
|
/* Length is too short to be a V2.0 table */
|
|
|
|
ACPI_REPORT_WARNING ((
|
|
"Inconsistent FADT length (0x%X) and revision (0x%X), using FADT V1.0 portion of table\n",
|
|
AcpiGbl_FADT->Length, AcpiGbl_FADT->Revision));
|
|
|
|
AcpiTbConvertFadt1 (LocalFadt, (void *) AcpiGbl_FADT);
|
|
}
|
|
else
|
|
{
|
|
/* Valid V2.0 table */
|
|
|
|
AcpiTbConvertFadt2 (LocalFadt, AcpiGbl_FADT);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
/* Valid V1.0 table */
|
|
|
|
AcpiTbConvertFadt1 (LocalFadt, (void *) AcpiGbl_FADT);
|
|
}
|
|
|
|
/* Global FADT pointer will point to the new common V2.0 FADT */
|
|
|
|
AcpiGbl_FADT = LocalFadt;
|
|
AcpiGbl_FADT->Length = sizeof (FADT_DESCRIPTOR);
|
|
|
|
/* Free the original table */
|
|
|
|
TableDesc = AcpiGbl_TableLists[ACPI_TABLE_FADT].Next;
|
|
AcpiTbDeleteSingleTable (TableDesc);
|
|
|
|
/* Install the new table */
|
|
|
|
TableDesc->Pointer = ACPI_CAST_PTR (ACPI_TABLE_HEADER, AcpiGbl_FADT);
|
|
TableDesc->Allocation = ACPI_MEM_ALLOCATED;
|
|
TableDesc->Length = sizeof (FADT_DESCRIPTOR_REV2);
|
|
|
|
/* Dump the entire FADT */
|
|
|
|
ACPI_DEBUG_PRINT ((ACPI_DB_TABLES,
|
|
"Hex dump of common internal FADT, size %d (%X)\n",
|
|
AcpiGbl_FADT->Length, AcpiGbl_FADT->Length));
|
|
ACPI_DUMP_BUFFER ((UINT8 *) (AcpiGbl_FADT), AcpiGbl_FADT->Length);
|
|
|
|
return_ACPI_STATUS (AE_OK);
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: AcpiTbBuildCommonFacs
|
|
*
|
|
* PARAMETERS: TableInfo - Info for currently installed FACS
|
|
*
|
|
* RETURN: Status
|
|
*
|
|
* DESCRIPTION: Convert ACPI 1.0 and ACPI 2.0 FACS to a common internal
|
|
* table format.
|
|
*
|
|
******************************************************************************/
|
|
|
|
ACPI_STATUS
|
|
AcpiTbBuildCommonFacs (
|
|
ACPI_TABLE_DESC *TableInfo)
|
|
{
|
|
|
|
ACPI_FUNCTION_TRACE ("TbBuildCommonFacs");
|
|
|
|
|
|
/* Absolute minimum length is 24, but the ACPI spec says 64 */
|
|
|
|
if (AcpiGbl_FACS->Length < 24)
|
|
{
|
|
ACPI_REPORT_ERROR (("Invalid FACS table length: 0x%X\n",
|
|
AcpiGbl_FACS->Length));
|
|
return_ACPI_STATUS (AE_INVALID_TABLE_LENGTH);
|
|
}
|
|
|
|
if (AcpiGbl_FACS->Length < 64)
|
|
{
|
|
ACPI_REPORT_WARNING ((
|
|
"FACS is shorter than the ACPI specification allows: 0x%X, using anyway\n",
|
|
AcpiGbl_FACS->Length));
|
|
}
|
|
|
|
/* Copy fields to the new FACS */
|
|
|
|
AcpiGbl_CommonFACS.GlobalLock = &(AcpiGbl_FACS->GlobalLock);
|
|
|
|
if ((AcpiGbl_RSDP->Revision < 2) ||
|
|
(AcpiGbl_FACS->Length < 32) ||
|
|
(!(ACPI_GET_ADDRESS (AcpiGbl_FACS->XFirmwareWakingVector))))
|
|
{
|
|
/* ACPI 1.0 FACS or short table or optional X_ field is zero */
|
|
|
|
AcpiGbl_CommonFACS.FirmwareWakingVector = ACPI_CAST_PTR (UINT64,
|
|
&(AcpiGbl_FACS->FirmwareWakingVector));
|
|
AcpiGbl_CommonFACS.VectorWidth = 32;
|
|
}
|
|
else
|
|
{
|
|
/* ACPI 2.0 FACS with valid X_ field */
|
|
|
|
AcpiGbl_CommonFACS.FirmwareWakingVector = &AcpiGbl_FACS->XFirmwareWakingVector;
|
|
AcpiGbl_CommonFACS.VectorWidth = 64;
|
|
}
|
|
|
|
return_ACPI_STATUS (AE_OK);
|
|
}
|
|
|
|
|