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ACPICA: All FADT-related functions moved to this file
This commit is contained in:
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476
source/components/tables/tbfadt.c
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476
source/components/tables/tbfadt.c
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@ -0,0 +1,476 @@
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/******************************************************************************
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*
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* Module Name: tbfadt - FADT table utilities
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* $Revision: 1.1 $
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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
|
||||
* 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 __TBFADT_C__
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#include "acpi.h"
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#include "actables.h"
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#define _COMPONENT ACPI_TABLES
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ACPI_MODULE_NAME ("tbfadt")
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/* Local prototypes */
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static void inline
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AcpiTbInitGenericAddress (
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ACPI_GENERIC_ADDRESS *NewGasStruct,
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UINT8 BitWidth,
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UINT64 Address);
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static void
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AcpiTbFadtRegisterError (
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char *RegisterName,
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UINT32 Value);
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static void
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AcpiTbConvertFadt (
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void);
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static void
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AcpiTbValidateFadt (
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void);
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/* Table used for conversion of FADT to common format */
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typedef struct acpi_fadt_conversion
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{
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UINT8 Target;
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UINT8 Source;
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UINT8 Length;
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} ACPI_FADT_CONVERSION;
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static ACPI_FADT_CONVERSION FadtConversionTable[] =
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{
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{ACPI_FADT_OFFSET (XPm1aEventBlock), ACPI_FADT_OFFSET (Pm1aEventBlock), ACPI_FADT_OFFSET (Pm1EventLength)},
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{ACPI_FADT_OFFSET (XPm1bEventBlock), ACPI_FADT_OFFSET (Pm1bEventBlock), ACPI_FADT_OFFSET (Pm1EventLength)},
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{ACPI_FADT_OFFSET (XPm1aControlBlock), ACPI_FADT_OFFSET (Pm1aControlBlock), ACPI_FADT_OFFSET (Pm1ControlLength)},
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{ACPI_FADT_OFFSET (XPm1bControlBlock), ACPI_FADT_OFFSET (Pm1bControlBlock), ACPI_FADT_OFFSET (Pm1ControlLength)},
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{ACPI_FADT_OFFSET (XPm2ControlBlock), ACPI_FADT_OFFSET (Pm2ControlBlock), ACPI_FADT_OFFSET (Pm2ControlLength)},
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{ACPI_FADT_OFFSET (XPmTimerBlock), ACPI_FADT_OFFSET (PmTimerBlock), ACPI_FADT_OFFSET (PmTimerLength)},
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{ACPI_FADT_OFFSET (XGpe0Block), ACPI_FADT_OFFSET (Gpe0Block), ACPI_FADT_OFFSET (Gpe0BlockLength)},
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{ACPI_FADT_OFFSET (XGpe1Block), ACPI_FADT_OFFSET (Gpe1Block), ACPI_FADT_OFFSET (Gpe1BlockLength)}
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};
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#define ACPI_FADT_CONVERSION_ENTRIES (sizeof (FadtConversionTable) / sizeof (ACPI_FADT_CONVERSION))
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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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* BitWidth - 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 inline
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AcpiTbInitGenericAddress (
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ACPI_GENERIC_ADDRESS *NewGasStruct,
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UINT8 BitWidth,
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UINT64 Address)
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{
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ACPI_MOVE_64_TO_64 (&NewGasStruct->Address, &Address);
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NewGasStruct->SpaceId = ACPI_ADR_SPACE_SYSTEM_IO;
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NewGasStruct->BitWidth = BitWidth;
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NewGasStruct->BitOffset = 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: AcpiTbParseFadt
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*
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* PARAMETERS: TableIndex - Index for the FADT
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* Flags - Flags
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*
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* RETURN: None
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*
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* DESCRIPTION: Initialize the FADT, DSDT and FACS tables
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* (FADT contains the addresses of the DSDT and FACS)
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*
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******************************************************************************/
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void
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AcpiTbParseFadt (
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ACPI_NATIVE_UINT TableIndex,
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UINT8 Flags)
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{
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UINT32 Length;
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ACPI_TABLE_HEADER *Table;
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/*
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* Special case for the FADT because of multiple versions and the fact
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* that it contains pointers to both the DSDT and FACS tables.
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*
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* Get a local copy of the FADT and convert it to a common format
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* Map entire FADT, assumed to be smaller than one page.
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*/
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Length = AcpiGbl_RootTableList.Tables[TableIndex].Length;
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Table = AcpiOsMapMemory (AcpiGbl_RootTableList.Tables[TableIndex].Address, Length);
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if (!Table)
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{
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return;
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}
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/*
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* Validate the FADT checksum before we copy the table. Ignore
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* checksum error as we want to try to get the DSDT and FACS.
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*/
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(void) AcpiTbVerifyChecksum (Table, Length);
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/* Copy the entire FADT locally */
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ACPI_MEMSET (&AcpiGbl_FADT, 0, sizeof (ACPI_TABLE_FADT));
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ACPI_MEMCPY (&AcpiGbl_FADT, Table,
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ACPI_MIN (Length, sizeof (ACPI_TABLE_FADT)));
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AcpiOsUnmapMemory (Table, Length);
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/* Convert local FADT to the common internal format */
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AcpiTbConvertFadt ();
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/* Extract the DSDT and FACS tables from the FADT */
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AcpiTbInstallTable ((ACPI_PHYSICAL_ADDRESS) AcpiGbl_FADT.XDsdt,
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Flags, ACPI_SIG_DSDT, ACPI_TABLE_INDEX_DSDT);
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AcpiTbInstallTable ((ACPI_PHYSICAL_ADDRESS) AcpiGbl_FADT.XFacs,
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Flags, ACPI_SIG_FACS, ACPI_TABLE_INDEX_FACS);
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/* Validate important FADT values */
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AcpiTbValidateFadt ();
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}
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/*******************************************************************************
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*
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* FUNCTION: AcpiTbConvertFadt
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*
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* PARAMETERS: None, uses AcpiGbl_FADT
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*
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* RETURN: None
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*
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* DESCRIPTION: Converts all versions of the FADT to a common internal format.
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*
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* NOTE: AcpiGbl_FADT must be of size (ACPI_TABLE_FADT), and must contain
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* a copy of the actual FADT.
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*
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* ACPICA will use the "X" fields of the FADT for all addresses.
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*
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* "X" fields are optional extensions to the original V1.0 fields. Even if
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* they are present in the structure, they can be optionally not used by
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* setting them to zero. Therefore, we must selectively expand V1.0 fields
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* if the corresponding X field is zero.
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*
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* For ACPI 1.0 FADTs, all address fields are expanded to the corresponding
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* "X" fields.
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*
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* For ACPI 2.0 FADTs, any "X" fields that are NULL are filled in by
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* expanding the corresponding ACPI 1.0 field.
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*
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******************************************************************************/
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static void
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AcpiTbConvertFadt (
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void)
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{
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UINT8 Pm1RegisterLength;
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ACPI_GENERIC_ADDRESS *Target;
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ACPI_NATIVE_UINT i;
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/* Expand the FACS and DSDT addresses as necessary */
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if (!AcpiGbl_FADT.XFacs)
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{
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AcpiGbl_FADT.XFacs = (UINT64) AcpiGbl_FADT.Facs;
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}
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if (!AcpiGbl_FADT.XDsdt)
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{
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AcpiGbl_FADT.XDsdt = (UINT64) AcpiGbl_FADT.Dsdt;
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}
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/*
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* Expand the 32-bit V1.0 addresses to the 64-bit "X" generic address
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* structures as necessary.
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*/
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for (i = 0; i < ACPI_FADT_CONVERSION_ENTRIES; i++)
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{
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Target = ACPI_ADD_PTR (
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ACPI_GENERIC_ADDRESS, &AcpiGbl_FADT, FadtConversionTable[i].Target);
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/* Expand only if the X target is null */
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if (!Target->Address)
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{
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AcpiTbInitGenericAddress (Target,
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*ACPI_ADD_PTR (UINT8, &AcpiGbl_FADT, FadtConversionTable[i].Length),
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(UINT64) *ACPI_ADD_PTR (UINT32, &AcpiGbl_FADT, FadtConversionTable[i].Source));
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}
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}
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/*
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* Calculate separate GAS structs for the PM1 Enable registers.
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* These addresses do not appear (directly) in the FADT, so it is
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* useful to calculate them once, here.
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*
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* The PM event blocks are split into two register blocks, first is the
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* PM Status Register block, followed immediately by the PM Enable Register
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* block. Each is of length (Pm1EventLength/2)
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*/
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Pm1RegisterLength = (UINT8) ACPI_DIV_2 (AcpiGbl_FADT.Pm1EventLength);
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/* PM1A is required */
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AcpiTbInitGenericAddress (&AcpiGbl_XPm1aEnable, Pm1RegisterLength,
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(AcpiGbl_FADT.XPm1aEventBlock.Address + Pm1RegisterLength));
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/* PM1B is optional; leave null if not present */
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if (AcpiGbl_FADT.XPm1bEventBlock.Address)
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{
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AcpiTbInitGenericAddress (&AcpiGbl_XPm1bEnable, Pm1RegisterLength,
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(AcpiGbl_FADT.XPm1bEventBlock.Address + Pm1RegisterLength));
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}
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/* Global FADT is the new common V2.0 FADT */
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AcpiGbl_FADT.Header.Length = sizeof (ACPI_TABLE_FADT);
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}
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/******************************************************************************
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*
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* FUNCTION: AcpiTbValidateFadt
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*
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* PARAMETERS: None
|
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*
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* RETURN: Status
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*
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* DESCRIPTION: Validate various ACPI registers in the FADT
|
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*
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******************************************************************************/
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static void
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AcpiTbValidateFadt (
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void)
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{
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/* These length fields have a minimum value */
|
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if (AcpiGbl_FADT.Pm1EventLength < 4)
|
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{
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AcpiTbFadtRegisterError ("Pm1EventLength",
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(UINT32) AcpiGbl_FADT.Pm1EventLength);
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}
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if (AcpiGbl_FADT.PmTimerLength < 4)
|
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{
|
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AcpiTbFadtRegisterError ("PmTimerLength",
|
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(UINT32) AcpiGbl_FADT.PmTimerLength);
|
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}
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/* These length and address fields must be non-zero */
|
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|
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if (!AcpiGbl_FADT.Pm1ControlLength)
|
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{
|
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AcpiTbFadtRegisterError ("Pm1ControlLength", 0);
|
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}
|
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|
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if (!ACPI_VALID_ADDRESS (AcpiGbl_FADT.XPm1aEventBlock.Address))
|
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{
|
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AcpiTbFadtRegisterError ("XPm1aEventBlock.Address", 0);
|
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}
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if (!ACPI_VALID_ADDRESS (AcpiGbl_FADT.XPm1aControlBlock.Address))
|
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{
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AcpiTbFadtRegisterError ("XPm1aControlBlock.Address", 0);
|
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}
|
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if (!ACPI_VALID_ADDRESS (AcpiGbl_FADT.XPmTimerBlock.Address))
|
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{
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AcpiTbFadtRegisterError ("XPmTimerBlock.Address", 0);
|
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}
|
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|
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/* If PM2 block is present, must have non-zero length */
|
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|
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if ((ACPI_VALID_ADDRESS (AcpiGbl_FADT.XPm2ControlBlock.Address) &&
|
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!AcpiGbl_FADT.Pm2ControlLength))
|
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{
|
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AcpiTbFadtRegisterError ("Pm2ControlLength",
|
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(UINT32) AcpiGbl_FADT.Pm2ControlLength);
|
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}
|
||||
|
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/* Length of any valid GPE blocks must be a multiple of 2 */
|
||||
|
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if (ACPI_VALID_ADDRESS (AcpiGbl_FADT.XGpe0Block.Address) &&
|
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(AcpiGbl_FADT.Gpe0BlockLength & 1))
|
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{
|
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AcpiTbFadtRegisterError ("Gpe0BlockLength",
|
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(UINT32) AcpiGbl_FADT.Gpe0BlockLength);
|
||||
}
|
||||
|
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if (ACPI_VALID_ADDRESS (AcpiGbl_FADT.XGpe1Block.Address) &&
|
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(AcpiGbl_FADT.Gpe1BlockLength & 1))
|
||||
{
|
||||
AcpiTbFadtRegisterError ("Gpe1BlockLength",
|
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(UINT32) AcpiGbl_FADT.Gpe1BlockLength);
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
/*******************************************************************************
|
||||
*
|
||||
* FUNCTION: AcpiTbFadtRegisterError
|
||||
*
|
||||
* PARAMETERS: RegisterName - Pointer to string identifying register
|
||||
* Value - Actual register contents value
|
||||
*
|
||||
* RETURN: None
|
||||
*
|
||||
* DESCRIPTION: Display FADT warning message
|
||||
*
|
||||
******************************************************************************/
|
||||
|
||||
static void
|
||||
AcpiTbFadtRegisterError (
|
||||
char *RegisterName,
|
||||
UINT32 Value)
|
||||
{
|
||||
|
||||
ACPI_WARNING ((AE_INFO, "Invalid FADT value \"%s\" = %X",
|
||||
RegisterName, Value));
|
||||
}
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
Loading…
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Reference in New Issue
Block a user