1487 lines
37 KiB
C
1487 lines
37 KiB
C
/******************************************************************************
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*
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* Module Name: oswinxf - Windows OSL
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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 - 2010, 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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#ifdef WIN32
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#pragma warning(disable:4115) /* warning C4115: named type definition in parentheses (caused by rpcasync.h> */
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#include <windows.h>
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#include <winbase.h>
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#elif WIN64
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#include <windowsx.h>
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#endif
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#include <stdio.h>
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#include <stdlib.h>
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#include <stdarg.h>
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#include <process.h>
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#include <time.h>
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#include "acpi.h"
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#include "accommon.h"
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#define _COMPONENT ACPI_OS_SERVICES
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ACPI_MODULE_NAME ("oswinxf")
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/* Semaphore information structure */
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typedef struct acpi_os_semaphore_info
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{
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UINT16 MaxUnits;
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UINT16 CurrentUnits;
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void *OsHandle;
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} ACPI_OS_SEMAPHORE_INFO;
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/* Need enough semaphores to run the large aslts suite */
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#define ACPI_OS_MAX_SEMAPHORES 256
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ACPI_OS_SEMAPHORE_INFO AcpiGbl_Semaphores[ACPI_OS_MAX_SEMAPHORES];
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/* Upcalls to AcpiExec */
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ACPI_PHYSICAL_ADDRESS
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AeLocalGetRootPointer (
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void);
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void
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AeTableOverride (
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ACPI_TABLE_HEADER *ExistingTable,
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ACPI_TABLE_HEADER **NewTable);
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ACPI_TABLE_HEADER *
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OsGetTable (
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char *Signature);
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extern FILE *AcpiGbl_DebugFile;
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extern BOOLEAN AcpiGbl_DebugTimeout;
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FILE *AcpiGbl_OutputFile;
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UINT64 TimerFrequency;
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char TableName[ACPI_NAME_SIZE + 1];
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#define ACPI_OS_DEBUG_TIMEOUT 30000 /* 30 seconds */
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/******************************************************************************
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*
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* FUNCTION: AcpiOsTerminate
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*
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* PARAMETERS: None
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*
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* RETURN: None
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*
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* DESCRIPTION: Nothing to do for windows
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*
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*****************************************************************************/
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ACPI_STATUS
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AcpiOsTerminate (void)
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{
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return AE_OK;
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}
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/******************************************************************************
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*
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* FUNCTION: AcpiOsInitialize
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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: Init this OSL
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*
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*****************************************************************************/
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ACPI_STATUS
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AcpiOsInitialize (void)
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{
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LARGE_INTEGER LocalTimerFrequency;
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AcpiGbl_OutputFile = stdout;
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/* Clear the semaphore info array */
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memset (AcpiGbl_Semaphores, 0x00, sizeof (AcpiGbl_Semaphores));
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/* Get the timer frequency for use in AcpiOsGetTimer */
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TimerFrequency = 0;
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if (QueryPerformanceFrequency (&LocalTimerFrequency))
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{
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/* Frequency is in ticks per second */
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TimerFrequency = LocalTimerFrequency.QuadPart;
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}
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return AE_OK;
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}
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/******************************************************************************
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*
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* FUNCTION: AcpiOsGetRootPointer
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*
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* PARAMETERS: None
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*
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* RETURN: RSDP physical address
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*
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* DESCRIPTION: Gets the root pointer (RSDP)
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*
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*****************************************************************************/
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ACPI_PHYSICAL_ADDRESS
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AcpiOsGetRootPointer (
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void)
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{
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return (AeLocalGetRootPointer ());
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}
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/******************************************************************************
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*
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* FUNCTION: AcpiOsPredefinedOverride
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*
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* PARAMETERS: InitVal - Initial value of the predefined object
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* NewVal - The new value for the object
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*
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* RETURN: Status, pointer to value. Null pointer returned if not
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* overriding.
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*
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* DESCRIPTION: Allow the OS to override predefined names
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*
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*****************************************************************************/
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ACPI_STATUS
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AcpiOsPredefinedOverride (
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const ACPI_PREDEFINED_NAMES *InitVal,
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ACPI_STRING *NewVal)
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{
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if (!InitVal || !NewVal)
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{
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return (AE_BAD_PARAMETER);
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}
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*NewVal = NULL;
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return (AE_OK);
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}
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/******************************************************************************
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*
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* FUNCTION: AcpiOsTableOverride
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*
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* PARAMETERS: ExistingTable - Header of current table (probably firmware)
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* NewTable - Where an entire new table is returned.
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*
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* RETURN: Status, pointer to new table. Null pointer returned if no
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* table is available to override
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*
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* DESCRIPTION: Return a different version of a table if one is available
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*
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*****************************************************************************/
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ACPI_STATUS
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AcpiOsTableOverride (
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ACPI_TABLE_HEADER *ExistingTable,
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ACPI_TABLE_HEADER **NewTable)
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{
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if (!ExistingTable || !NewTable)
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{
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return (AE_BAD_PARAMETER);
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}
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*NewTable = NULL;
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#ifdef ACPI_EXEC_APP
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/* Call back up to AcpiExec */
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AeTableOverride (ExistingTable, NewTable);
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#endif
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#ifdef ACPI_ASL_COMPILER
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/* Attempt to get the table from the registry */
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/* Construct a null-terminated string from table signature */
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TableName[ACPI_NAME_SIZE] = 0;
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ACPI_STRNCPY (TableName, ExistingTable->Signature, ACPI_NAME_SIZE);
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*NewTable = OsGetTable (TableName);
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if (*NewTable)
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{
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AcpiOsPrintf ("Table [%s] obtained from registry, %d bytes\n",
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TableName, (*NewTable)->Length);
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}
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else
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{
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AcpiOsPrintf ("Could not read table %s from registry\n", TableName);
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}
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#endif
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return (AE_OK);
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}
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|
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/******************************************************************************
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*
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* FUNCTION: AcpiOsGetTimer
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*
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* PARAMETERS: None
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*
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* RETURN: Current ticks in 100-nanosecond units
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*
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* DESCRIPTION: Get the value of a system timer
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*
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******************************************************************************/
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UINT64
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AcpiOsGetTimer (
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void)
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{
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LARGE_INTEGER Timer;
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/* Attempt to use hi-granularity timer first */
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if (TimerFrequency &&
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QueryPerformanceCounter (&Timer))
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{
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/* Convert to 100 nanosecond ticks */
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return ((UINT64) ((Timer.QuadPart * (UINT64) 10000000) / TimerFrequency));
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}
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/* Fall back to the lo-granularity timer */
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else
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{
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/* Convert milliseconds to 100 nanosecond ticks */
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return ((UINT64) GetTickCount() * 10000);
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}
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}
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/******************************************************************************
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*
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* FUNCTION: AcpiOsReadable
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*
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* PARAMETERS: Pointer - Area to be verified
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* Length - Size of area
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*
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* RETURN: TRUE if readable for entire length
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*
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* DESCRIPTION: Verify that a pointer is valid for reading
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*
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*****************************************************************************/
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BOOLEAN
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AcpiOsReadable (
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void *Pointer,
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ACPI_SIZE Length)
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{
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return ((BOOLEAN) !IsBadReadPtr (Pointer, Length));
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}
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|
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/******************************************************************************
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*
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* FUNCTION: AcpiOsWritable
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*
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* PARAMETERS: Pointer - Area to be verified
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* Length - Size of area
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*
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* RETURN: TRUE if writable for entire length
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*
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* DESCRIPTION: Verify that a pointer is valid for writing
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*
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*****************************************************************************/
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BOOLEAN
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AcpiOsWritable (
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void *Pointer,
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ACPI_SIZE Length)
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{
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return ((BOOLEAN) !IsBadWritePtr (Pointer, Length));
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}
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|
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/******************************************************************************
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*
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* FUNCTION: AcpiOsRedirectOutput
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*
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* PARAMETERS: Destination - An open file handle/pointer
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*
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* RETURN: None
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*
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* DESCRIPTION: Causes redirect of AcpiOsPrintf and AcpiOsVprintf
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*
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*****************************************************************************/
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void
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AcpiOsRedirectOutput (
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void *Destination)
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{
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AcpiGbl_OutputFile = Destination;
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}
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|
|
|
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/******************************************************************************
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*
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* FUNCTION: AcpiOsPrintf
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*
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* PARAMETERS: fmt, ... Standard printf format
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*
|
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* RETURN: None
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*
|
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* DESCRIPTION: Formatted output
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*
|
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*****************************************************************************/
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|
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void ACPI_INTERNAL_VAR_XFACE
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AcpiOsPrintf (
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const char *Fmt,
|
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...)
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{
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va_list Args;
|
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|
|
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va_start (Args, Fmt);
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AcpiOsVprintf (Fmt, Args);
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va_end (Args);
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return;
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}
|
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|
|
|
|
/******************************************************************************
|
|
*
|
|
* FUNCTION: AcpiOsVprintf
|
|
*
|
|
* PARAMETERS: fmt Standard printf format
|
|
* args Argument list
|
|
*
|
|
* RETURN: None
|
|
*
|
|
* DESCRIPTION: Formatted output with argument list pointer
|
|
*
|
|
*****************************************************************************/
|
|
|
|
void
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AcpiOsVprintf (
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const char *Fmt,
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va_list Args)
|
|
{
|
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INT32 Count = 0;
|
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UINT8 Flags;
|
|
|
|
|
|
Flags = AcpiGbl_DbOutputFlags;
|
|
if (Flags & ACPI_DB_REDIRECTABLE_OUTPUT)
|
|
{
|
|
/* Output is directable to either a file (if open) or the console */
|
|
|
|
if (AcpiGbl_DebugFile)
|
|
{
|
|
/* Output file is open, send the output there */
|
|
|
|
Count = vfprintf (AcpiGbl_DebugFile, Fmt, Args);
|
|
}
|
|
else
|
|
{
|
|
/* No redirection, send output to console (once only!) */
|
|
|
|
Flags |= ACPI_DB_CONSOLE_OUTPUT;
|
|
}
|
|
}
|
|
|
|
if (Flags & ACPI_DB_CONSOLE_OUTPUT)
|
|
{
|
|
Count = vfprintf (AcpiGbl_OutputFile, Fmt, Args);
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
*
|
|
* FUNCTION: AcpiOsGetLine
|
|
*
|
|
* PARAMETERS: fmt Standard printf format
|
|
* args Argument list
|
|
*
|
|
* RETURN: Actual bytes read
|
|
*
|
|
* DESCRIPTION: Formatted input with argument list pointer
|
|
*
|
|
*****************************************************************************/
|
|
|
|
UINT32
|
|
AcpiOsGetLine (
|
|
char *Buffer)
|
|
{
|
|
char Temp;
|
|
UINT32 i;
|
|
|
|
|
|
for (i = 0; ; i++)
|
|
{
|
|
scanf ("%1c", &Temp);
|
|
if (!Temp || Temp == '\n')
|
|
{
|
|
break;
|
|
}
|
|
|
|
Buffer [i] = Temp;
|
|
}
|
|
|
|
/* Null terminate the buffer */
|
|
|
|
Buffer [i] = 0;
|
|
|
|
/* Return the number of bytes in the string */
|
|
|
|
return (i);
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
*
|
|
* FUNCTION: AcpiOsMapMemory
|
|
*
|
|
* PARAMETERS: where Physical address of memory to be mapped
|
|
* length How much memory to map
|
|
*
|
|
* RETURN: Pointer to mapped memory. Null on error.
|
|
*
|
|
* DESCRIPTION: Map physical memory into caller's address space
|
|
*
|
|
*****************************************************************************/
|
|
|
|
void *
|
|
AcpiOsMapMemory (
|
|
ACPI_PHYSICAL_ADDRESS where,
|
|
ACPI_SIZE length)
|
|
{
|
|
|
|
return (ACPI_TO_POINTER ((ACPI_SIZE) where));
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
*
|
|
* FUNCTION: AcpiOsUnmapMemory
|
|
*
|
|
* PARAMETERS: where Logical address of memory to be unmapped
|
|
* length How much memory to unmap
|
|
*
|
|
* RETURN: None.
|
|
*
|
|
* DESCRIPTION: Delete a previously created mapping. Where and Length must
|
|
* correspond to a previous mapping exactly.
|
|
*
|
|
*****************************************************************************/
|
|
|
|
void
|
|
AcpiOsUnmapMemory (
|
|
void *where,
|
|
ACPI_SIZE length)
|
|
{
|
|
|
|
return;
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
*
|
|
* FUNCTION: AcpiOsAllocate
|
|
*
|
|
* PARAMETERS: Size Amount to allocate, in bytes
|
|
*
|
|
* RETURN: Pointer to the new allocation. Null on error.
|
|
*
|
|
* DESCRIPTION: Allocate memory. Algorithm is dependent on the OS.
|
|
*
|
|
*****************************************************************************/
|
|
|
|
void *
|
|
AcpiOsAllocate (
|
|
ACPI_SIZE size)
|
|
{
|
|
void *Mem;
|
|
|
|
|
|
Mem = (void *) malloc ((size_t) size);
|
|
|
|
return Mem;
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
*
|
|
* FUNCTION: AcpiOsFree
|
|
*
|
|
* PARAMETERS: mem Pointer to previously allocated memory
|
|
*
|
|
* RETURN: None.
|
|
*
|
|
* DESCRIPTION: Free memory allocated via AcpiOsAllocate
|
|
*
|
|
*****************************************************************************/
|
|
|
|
void
|
|
AcpiOsFree (
|
|
void *Mem)
|
|
{
|
|
|
|
free (Mem);
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
*
|
|
* FUNCTION: AcpiOsCreateSemaphore
|
|
*
|
|
* PARAMETERS: MaxUnits - Maximum units that can be sent
|
|
* InitialUnits - Units to be assigned to the new semaphore
|
|
* OutHandle - Where a handle will be returned
|
|
*
|
|
* RETURN: Status
|
|
*
|
|
* DESCRIPTION: Create an OS semaphore
|
|
*
|
|
*****************************************************************************/
|
|
|
|
ACPI_STATUS
|
|
AcpiOsCreateSemaphore (
|
|
UINT32 MaxUnits,
|
|
UINT32 InitialUnits,
|
|
ACPI_SEMAPHORE *OutHandle)
|
|
{
|
|
#ifdef _MULTI_THREADED
|
|
void *Mutex;
|
|
UINT32 i;
|
|
|
|
ACPI_FUNCTION_NAME (OsCreateSemaphore);
|
|
#endif
|
|
|
|
|
|
if (MaxUnits == ACPI_UINT32_MAX)
|
|
{
|
|
MaxUnits = 255;
|
|
}
|
|
|
|
if (InitialUnits == ACPI_UINT32_MAX)
|
|
{
|
|
InitialUnits = MaxUnits;
|
|
}
|
|
|
|
if (InitialUnits > MaxUnits)
|
|
{
|
|
return AE_BAD_PARAMETER;
|
|
}
|
|
|
|
#ifdef _MULTI_THREADED
|
|
|
|
/* Find an empty slot */
|
|
|
|
for (i = 0; i < ACPI_OS_MAX_SEMAPHORES; i++)
|
|
{
|
|
if (!AcpiGbl_Semaphores[i].OsHandle)
|
|
{
|
|
break;
|
|
}
|
|
}
|
|
if (i >= ACPI_OS_MAX_SEMAPHORES)
|
|
{
|
|
ACPI_EXCEPTION ((AE_INFO, AE_LIMIT,
|
|
"Reached max semaphores (%u), could not create", ACPI_OS_MAX_SEMAPHORES));
|
|
return AE_LIMIT;
|
|
}
|
|
|
|
/* Create an OS semaphore */
|
|
|
|
Mutex = CreateSemaphore (NULL, InitialUnits, MaxUnits, NULL);
|
|
if (!Mutex)
|
|
{
|
|
ACPI_ERROR ((AE_INFO, "Could not create semaphore"));
|
|
return AE_NO_MEMORY;
|
|
}
|
|
|
|
AcpiGbl_Semaphores[i].MaxUnits = (UINT16) MaxUnits;
|
|
AcpiGbl_Semaphores[i].CurrentUnits = (UINT16) InitialUnits;
|
|
AcpiGbl_Semaphores[i].OsHandle = Mutex;
|
|
|
|
ACPI_DEBUG_PRINT ((ACPI_DB_MUTEX, "Handle=%d, Max=%d, Current=%d, OsHandle=%p\n",
|
|
i, MaxUnits, InitialUnits, Mutex));
|
|
|
|
*OutHandle = (void *) i;
|
|
#endif
|
|
|
|
return AE_OK;
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
*
|
|
* FUNCTION: AcpiOsDeleteSemaphore
|
|
*
|
|
* PARAMETERS: Handle - Handle returned by AcpiOsCreateSemaphore
|
|
*
|
|
* RETURN: Status
|
|
*
|
|
* DESCRIPTION: Delete an OS semaphore
|
|
*
|
|
*****************************************************************************/
|
|
|
|
ACPI_STATUS
|
|
AcpiOsDeleteSemaphore (
|
|
ACPI_SEMAPHORE Handle)
|
|
{
|
|
UINT32 Index = (UINT32) Handle;
|
|
|
|
|
|
if ((Index >= ACPI_OS_MAX_SEMAPHORES) ||
|
|
!AcpiGbl_Semaphores[Index].OsHandle)
|
|
{
|
|
return AE_BAD_PARAMETER;
|
|
}
|
|
|
|
|
|
#ifdef _MULTI_THREADED
|
|
|
|
CloseHandle (AcpiGbl_Semaphores[Index].OsHandle);
|
|
AcpiGbl_Semaphores[Index].OsHandle = NULL;
|
|
#endif
|
|
|
|
return AE_OK;
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
*
|
|
* FUNCTION: AcpiOsWaitSemaphore
|
|
*
|
|
* PARAMETERS: Handle - Handle returned by AcpiOsCreateSemaphore
|
|
* Units - How many units to wait for
|
|
* Timeout - How long to wait
|
|
*
|
|
* RETURN: Status
|
|
*
|
|
* DESCRIPTION: Wait for units
|
|
*
|
|
*****************************************************************************/
|
|
|
|
ACPI_STATUS
|
|
AcpiOsWaitSemaphore (
|
|
ACPI_SEMAPHORE Handle,
|
|
UINT32 Units,
|
|
UINT16 Timeout)
|
|
{
|
|
#ifdef _MULTI_THREADED
|
|
UINT32 Index = (UINT32) Handle;
|
|
UINT32 WaitStatus;
|
|
UINT32 OsTimeout = Timeout;
|
|
|
|
|
|
ACPI_FUNCTION_ENTRY ();
|
|
|
|
|
|
if ((Index >= ACPI_OS_MAX_SEMAPHORES) ||
|
|
!AcpiGbl_Semaphores[Index].OsHandle)
|
|
{
|
|
return AE_BAD_PARAMETER;
|
|
}
|
|
|
|
if (Units > 1)
|
|
{
|
|
printf ("WaitSemaphore: Attempt to receive %d units\n", Units);
|
|
return AE_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
if (Timeout == ACPI_WAIT_FOREVER)
|
|
{
|
|
OsTimeout = INFINITE;
|
|
if (AcpiGbl_DebugTimeout)
|
|
{
|
|
/* The debug timeout will prevent hang conditions */
|
|
|
|
OsTimeout = ACPI_OS_DEBUG_TIMEOUT;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
/* Add 10ms to account for clock tick granularity */
|
|
|
|
OsTimeout += 10;
|
|
}
|
|
|
|
WaitStatus = WaitForSingleObject (AcpiGbl_Semaphores[Index].OsHandle, OsTimeout);
|
|
if (WaitStatus == WAIT_TIMEOUT)
|
|
{
|
|
if (AcpiGbl_DebugTimeout)
|
|
{
|
|
ACPI_EXCEPTION ((AE_INFO, AE_TIME,
|
|
"Debug timeout on semaphore 0x%04X (%ums)\n",
|
|
Index, ACPI_OS_DEBUG_TIMEOUT));
|
|
}
|
|
return AE_TIME;
|
|
}
|
|
|
|
if (AcpiGbl_Semaphores[Index].CurrentUnits == 0)
|
|
{
|
|
ACPI_ERROR ((AE_INFO, "%s - No unit received. Timeout 0x%X, OS_Status 0x%X",
|
|
AcpiUtGetMutexName (Index), Timeout, WaitStatus));
|
|
|
|
return AE_OK;
|
|
}
|
|
|
|
AcpiGbl_Semaphores[Index].CurrentUnits--;
|
|
#endif
|
|
|
|
return AE_OK;
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
*
|
|
* FUNCTION: AcpiOsSignalSemaphore
|
|
*
|
|
* PARAMETERS: Handle - Handle returned by AcpiOsCreateSemaphore
|
|
* Units - Number of units to send
|
|
*
|
|
* RETURN: Status
|
|
*
|
|
* DESCRIPTION: Send units
|
|
*
|
|
*****************************************************************************/
|
|
|
|
ACPI_STATUS
|
|
AcpiOsSignalSemaphore (
|
|
ACPI_SEMAPHORE Handle,
|
|
UINT32 Units)
|
|
{
|
|
#ifdef _MULTI_THREADED
|
|
|
|
UINT32 Index = (UINT32) Handle;
|
|
|
|
|
|
ACPI_FUNCTION_ENTRY ();
|
|
|
|
|
|
if (Index >= ACPI_OS_MAX_SEMAPHORES)
|
|
{
|
|
printf ("SignalSemaphore: Index/Handle out of range: %2.2X\n", Index);
|
|
return AE_BAD_PARAMETER;
|
|
}
|
|
|
|
if (!AcpiGbl_Semaphores[Index].OsHandle)
|
|
{
|
|
printf ("SignalSemaphore: Null OS handle, Index %2.2X\n", Index);
|
|
return AE_BAD_PARAMETER;
|
|
}
|
|
|
|
if (Units > 1)
|
|
{
|
|
printf ("SignalSemaphore: Attempt to signal %d units, Index %2.2X\n", Units, Index);
|
|
return AE_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
if ((AcpiGbl_Semaphores[Index].CurrentUnits + 1) >
|
|
AcpiGbl_Semaphores[Index].MaxUnits)
|
|
{
|
|
ACPI_ERROR ((AE_INFO,
|
|
"Oversignalled semaphore[%u]! Current %u Max %u",
|
|
Index, AcpiGbl_Semaphores[Index].CurrentUnits,
|
|
AcpiGbl_Semaphores[Index].MaxUnits));
|
|
|
|
return (AE_LIMIT);
|
|
}
|
|
|
|
AcpiGbl_Semaphores[Index].CurrentUnits++;
|
|
ReleaseSemaphore (AcpiGbl_Semaphores[Index].OsHandle, Units, NULL);
|
|
|
|
#endif
|
|
|
|
return (AE_OK);
|
|
}
|
|
|
|
|
|
/* Spinlock interfaces, just implement with a semaphore */
|
|
|
|
ACPI_STATUS
|
|
AcpiOsCreateLock (
|
|
ACPI_SPINLOCK *OutHandle)
|
|
{
|
|
return (AcpiOsCreateSemaphore (1, 1, OutHandle));
|
|
}
|
|
|
|
void
|
|
AcpiOsDeleteLock (
|
|
ACPI_SPINLOCK Handle)
|
|
{
|
|
AcpiOsDeleteSemaphore (Handle);
|
|
}
|
|
|
|
ACPI_CPU_FLAGS
|
|
AcpiOsAcquireLock (
|
|
ACPI_SPINLOCK Handle)
|
|
{
|
|
AcpiOsWaitSemaphore (Handle, 1, 0xFFFF);
|
|
return (0);
|
|
}
|
|
|
|
void
|
|
AcpiOsReleaseLock (
|
|
ACPI_SPINLOCK Handle,
|
|
ACPI_CPU_FLAGS Flags)
|
|
{
|
|
AcpiOsSignalSemaphore (Handle, 1);
|
|
}
|
|
|
|
|
|
#if ACPI_FUTURE_IMPLEMENTATION
|
|
|
|
/* Mutex interfaces, just implement with a semaphore */
|
|
|
|
ACPI_STATUS
|
|
AcpiOsCreateMutex (
|
|
ACPI_MUTEX *OutHandle)
|
|
{
|
|
return (AcpiOsCreateSemaphore (1, 1, OutHandle));
|
|
}
|
|
|
|
void
|
|
AcpiOsDeleteMutex (
|
|
ACPI_MUTEX Handle)
|
|
{
|
|
AcpiOsDeleteSemaphore (Handle);
|
|
}
|
|
|
|
ACPI_STATUS
|
|
AcpiOsAcquireMutex (
|
|
ACPI_MUTEX Handle,
|
|
UINT16 Timeout)
|
|
{
|
|
AcpiOsWaitSemaphore (Handle, 1, Timeout);
|
|
return (0);
|
|
}
|
|
|
|
void
|
|
AcpiOsReleaseMutex (
|
|
ACPI_MUTEX Handle)
|
|
{
|
|
AcpiOsSignalSemaphore (Handle, 1);
|
|
}
|
|
#endif
|
|
|
|
|
|
/******************************************************************************
|
|
*
|
|
* FUNCTION: AcpiOsInstallInterruptHandler
|
|
*
|
|
* PARAMETERS: InterruptNumber Level handler should respond to.
|
|
* Isr Address of the ACPI interrupt handler
|
|
* ExceptPtr Where status is returned
|
|
*
|
|
* RETURN: Handle to the newly installed handler.
|
|
*
|
|
* DESCRIPTION: Install an interrupt handler. Used to install the ACPI
|
|
* OS-independent handler.
|
|
*
|
|
*****************************************************************************/
|
|
|
|
UINT32
|
|
AcpiOsInstallInterruptHandler (
|
|
UINT32 InterruptNumber,
|
|
ACPI_OSD_HANDLER ServiceRoutine,
|
|
void *Context)
|
|
{
|
|
|
|
return AE_OK;
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
*
|
|
* FUNCTION: AcpiOsRemoveInterruptHandler
|
|
*
|
|
* PARAMETERS: Handle Returned when handler was installed
|
|
*
|
|
* RETURN: Status
|
|
*
|
|
* DESCRIPTION: Uninstalls an interrupt handler.
|
|
*
|
|
*****************************************************************************/
|
|
|
|
ACPI_STATUS
|
|
AcpiOsRemoveInterruptHandler (
|
|
UINT32 InterruptNumber,
|
|
ACPI_OSD_HANDLER ServiceRoutine)
|
|
{
|
|
|
|
return AE_OK;
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
*
|
|
* FUNCTION: AcpiOsGetThreadId
|
|
*
|
|
* PARAMETERS: None
|
|
*
|
|
* RETURN: Id of the running thread
|
|
*
|
|
* DESCRIPTION: Get the Id of the current (running) thread
|
|
*
|
|
*****************************************************************************/
|
|
|
|
ACPI_THREAD_ID
|
|
AcpiOsGetThreadId (
|
|
void)
|
|
{
|
|
DWORD ThreadId;
|
|
|
|
/* Ensure ID is never 0 */
|
|
|
|
ThreadId = GetCurrentThreadId ();
|
|
return (ThreadId + 1);
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
*
|
|
* FUNCTION: AcpiOsExecute
|
|
*
|
|
* PARAMETERS: Type - Type of execution
|
|
* Function - Address of the function to execute
|
|
* Context - Passed as a parameter to the function
|
|
*
|
|
* RETURN: Status
|
|
*
|
|
* DESCRIPTION: Execute a new thread
|
|
*
|
|
*****************************************************************************/
|
|
|
|
ACPI_STATUS
|
|
AcpiOsExecute (
|
|
ACPI_EXECUTE_TYPE Type,
|
|
ACPI_OSD_EXEC_CALLBACK Function,
|
|
void *Context)
|
|
{
|
|
|
|
#ifdef _MULTI_THREADED
|
|
_beginthread (Function, (unsigned) 0, Context);
|
|
#endif
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
*
|
|
* FUNCTION: AcpiOsStall
|
|
*
|
|
* PARAMETERS: microseconds To sleep
|
|
*
|
|
* RETURN: Blocks until sleep is completed.
|
|
*
|
|
* DESCRIPTION: Sleep at microsecond granularity
|
|
*
|
|
*****************************************************************************/
|
|
|
|
void
|
|
AcpiOsStall (
|
|
UINT32 microseconds)
|
|
{
|
|
|
|
Sleep ((microseconds / 1000) + 1);
|
|
return;
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
*
|
|
* FUNCTION: AcpiOsSleep
|
|
*
|
|
* PARAMETERS: milliseconds To sleep
|
|
*
|
|
* RETURN: Blocks until sleep is completed.
|
|
*
|
|
* DESCRIPTION: Sleep at millisecond granularity
|
|
*
|
|
*****************************************************************************/
|
|
|
|
void
|
|
AcpiOsSleep (
|
|
UINT64 milliseconds)
|
|
{
|
|
|
|
/* Add 10ms to account for clock tick granularity */
|
|
|
|
Sleep (((unsigned long) milliseconds) + 10);
|
|
return;
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
*
|
|
* FUNCTION: AcpiOsValidateInterface
|
|
*
|
|
* PARAMETERS: Interface - Requested interface to be validated
|
|
*
|
|
* RETURN: AE_OK if interface is supported, AE_SUPPORT otherwise
|
|
*
|
|
* DESCRIPTION: Match an interface string to the interfaces supported by the
|
|
* host. Strings originate from an AML call to the _OSI method.
|
|
*
|
|
*****************************************************************************/
|
|
|
|
ACPI_STATUS
|
|
AcpiOsValidateInterface (
|
|
char *Interface)
|
|
{
|
|
|
|
return (AE_SUPPORT);
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
*
|
|
* FUNCTION: AcpiOsReadPciConfiguration
|
|
*
|
|
* PARAMETERS: PciId Seg/Bus/Dev
|
|
* Register Device Register
|
|
* Value Buffer where value is placed
|
|
* Width Number of bits
|
|
*
|
|
* RETURN: Status
|
|
*
|
|
* DESCRIPTION: Read data from PCI configuration space
|
|
*
|
|
*****************************************************************************/
|
|
|
|
ACPI_STATUS
|
|
AcpiOsReadPciConfiguration (
|
|
ACPI_PCI_ID *PciId,
|
|
UINT32 Register,
|
|
void *Value,
|
|
UINT32 Width)
|
|
{
|
|
|
|
return (AE_OK);
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
*
|
|
* FUNCTION: AcpiOsWritePciConfiguration
|
|
*
|
|
* PARAMETERS: PciId Seg/Bus/Dev
|
|
* Register Device Register
|
|
* Value Value to be written
|
|
* Width Number of bits
|
|
*
|
|
* RETURN: Status.
|
|
*
|
|
* DESCRIPTION: Write data to PCI configuration space
|
|
*
|
|
*****************************************************************************/
|
|
|
|
ACPI_STATUS
|
|
AcpiOsWritePciConfiguration (
|
|
ACPI_PCI_ID *PciId,
|
|
UINT32 Register,
|
|
UINT64 Value,
|
|
UINT32 Width)
|
|
{
|
|
|
|
return (AE_OK);
|
|
}
|
|
|
|
/* TEMPORARY STUB FUNCTION */
|
|
void
|
|
AcpiOsDerivePciId(
|
|
ACPI_HANDLE rhandle,
|
|
ACPI_HANDLE chandle,
|
|
ACPI_PCI_ID **PciId)
|
|
{
|
|
|
|
return;
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
*
|
|
* FUNCTION: AcpiOsReadPort
|
|
*
|
|
* PARAMETERS: Address Address of I/O port/register to read
|
|
* Value Where value is placed
|
|
* Width Number of bits
|
|
*
|
|
* RETURN: Value read from port
|
|
*
|
|
* DESCRIPTION: Read data from an I/O port or register
|
|
*
|
|
*****************************************************************************/
|
|
|
|
ACPI_STATUS
|
|
AcpiOsReadPort (
|
|
ACPI_IO_ADDRESS Address,
|
|
UINT32 *Value,
|
|
UINT32 Width)
|
|
{
|
|
|
|
switch (Width)
|
|
{
|
|
case 8:
|
|
*Value = 0xFF;
|
|
break;
|
|
|
|
case 16:
|
|
*Value = 0xFFFF;
|
|
break;
|
|
|
|
case 32:
|
|
*Value = 0xFFFFFFFF;
|
|
break;
|
|
|
|
default:
|
|
return (AE_BAD_PARAMETER);
|
|
}
|
|
|
|
return (AE_OK);
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
*
|
|
* FUNCTION: AcpiOsWritePort
|
|
*
|
|
* PARAMETERS: Address Address of I/O port/register to write
|
|
* Value Value to write
|
|
* Width Number of bits
|
|
*
|
|
* RETURN: None
|
|
*
|
|
* DESCRIPTION: Write data to an I/O port or register
|
|
*
|
|
*****************************************************************************/
|
|
|
|
ACPI_STATUS
|
|
AcpiOsWritePort (
|
|
ACPI_IO_ADDRESS Address,
|
|
UINT32 Value,
|
|
UINT32 Width)
|
|
{
|
|
|
|
return (AE_OK);
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
*
|
|
* FUNCTION: AcpiOsReadMemory
|
|
*
|
|
* PARAMETERS: Address Physical Memory Address to read
|
|
* Value Where value is placed
|
|
* Width Number of bits
|
|
*
|
|
* RETURN: Value read from physical memory address. Always returned
|
|
* as a 32-bit integer, regardless of the read width.
|
|
*
|
|
* DESCRIPTION: Read data from a physical memory address
|
|
*
|
|
*****************************************************************************/
|
|
|
|
ACPI_STATUS
|
|
AcpiOsReadMemory (
|
|
ACPI_PHYSICAL_ADDRESS Address,
|
|
UINT32 *Value,
|
|
UINT32 Width)
|
|
{
|
|
|
|
switch (Width)
|
|
{
|
|
case 8:
|
|
case 16:
|
|
case 32:
|
|
*Value = 0;
|
|
break;
|
|
|
|
default:
|
|
return (AE_BAD_PARAMETER);
|
|
break;
|
|
}
|
|
|
|
return (AE_OK);
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
*
|
|
* FUNCTION: AcpiOsWriteMemory
|
|
*
|
|
* PARAMETERS: Address Physical Memory Address to write
|
|
* Value Value to write
|
|
* Width Number of bits
|
|
*
|
|
* RETURN: None
|
|
*
|
|
* DESCRIPTION: Write data to a physical memory address
|
|
*
|
|
*****************************************************************************/
|
|
|
|
ACPI_STATUS
|
|
AcpiOsWriteMemory (
|
|
ACPI_PHYSICAL_ADDRESS Address,
|
|
UINT32 Value,
|
|
UINT32 Width)
|
|
{
|
|
|
|
return (AE_OK);
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
*
|
|
* FUNCTION: AcpiOsSignal
|
|
*
|
|
* PARAMETERS: Function ACPI CA signal function code
|
|
* Info Pointer to function-dependent structure
|
|
*
|
|
* RETURN: Status
|
|
*
|
|
* DESCRIPTION: Miscellaneous functions. Example implementation only.
|
|
*
|
|
*****************************************************************************/
|
|
|
|
ACPI_STATUS
|
|
AcpiOsSignal (
|
|
UINT32 Function,
|
|
void *Info)
|
|
{
|
|
|
|
switch (Function)
|
|
{
|
|
case ACPI_SIGNAL_FATAL:
|
|
break;
|
|
|
|
case ACPI_SIGNAL_BREAKPOINT:
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
|
|
return (AE_OK);
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
*
|
|
* FUNCTION: Local cache interfaces
|
|
*
|
|
* DESCRIPTION: Implements cache interfaces via malloc/free for testing
|
|
* purposes only.
|
|
*
|
|
*****************************************************************************/
|
|
|
|
#ifndef ACPI_USE_LOCAL_CACHE
|
|
|
|
ACPI_STATUS
|
|
AcpiOsCreateCache (
|
|
char *CacheName,
|
|
UINT16 ObjectSize,
|
|
UINT16 MaxDepth,
|
|
ACPI_CACHE_T **ReturnCache)
|
|
{
|
|
ACPI_MEMORY_LIST *NewCache;
|
|
|
|
|
|
NewCache = malloc (sizeof (ACPI_MEMORY_LIST));
|
|
if (!NewCache)
|
|
{
|
|
return (AE_NO_MEMORY);
|
|
}
|
|
|
|
memset (NewCache, 0, sizeof (ACPI_MEMORY_LIST));
|
|
NewCache->LinkOffset = 8;
|
|
NewCache->ListName = CacheName;
|
|
NewCache->ObjectSize = ObjectSize;
|
|
NewCache->MaxDepth = MaxDepth;
|
|
|
|
*ReturnCache = (ACPI_CACHE_T) NewCache;
|
|
return (AE_OK);
|
|
}
|
|
|
|
ACPI_STATUS
|
|
AcpiOsDeleteCache (
|
|
ACPI_CACHE_T *Cache)
|
|
{
|
|
free (Cache);
|
|
return (AE_OK);
|
|
}
|
|
|
|
ACPI_STATUS
|
|
AcpiOsPurgeCache (
|
|
ACPI_CACHE_T *Cache)
|
|
{
|
|
return (AE_OK);
|
|
}
|
|
|
|
void *
|
|
AcpiOsAcquireObject (
|
|
ACPI_CACHE_T *Cache)
|
|
{
|
|
void *NewObject;
|
|
|
|
NewObject = malloc (((ACPI_MEMORY_LIST *) Cache)->ObjectSize);
|
|
memset (NewObject, 0, ((ACPI_MEMORY_LIST *) Cache)->ObjectSize);
|
|
|
|
return (NewObject);
|
|
}
|
|
|
|
ACPI_STATUS
|
|
AcpiOsReleaseObject (
|
|
ACPI_CACHE_T *Cache,
|
|
void *Object)
|
|
{
|
|
free (Object);
|
|
return (AE_OK);
|
|
}
|
|
|
|
#endif
|