1165 lines
29 KiB
C
1165 lines
29 KiB
C
/******************************************************************************
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*
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* Module Name: osunixxf - UNIX OSL interfaces
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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 - 2011, 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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/*
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* These interfaces are required in order to compile the ASL compiler and the
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* various ACPICA tools under Linux or other Unix-like system.
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*
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* Note: Use #define __APPLE__ for OS X generation.
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*/
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#include "acpi.h"
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#include "accommon.h"
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#include "amlcode.h"
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#include "acparser.h"
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#include "acdebug.h"
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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 <unistd.h>
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#include <sys/time.h>
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#include <semaphore.h>
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#include <pthread.h>
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#include <errno.h>
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#define _COMPONENT ACPI_OS_SERVICES
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ACPI_MODULE_NAME ("osunixxf")
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extern FILE *AcpiGbl_DebugFile;
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FILE *AcpiGbl_OutputFile;
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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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typedef void* (*PTHREAD_CALLBACK) (void *);
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/* Apple-specific */
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#ifdef __APPLE__
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#define sem_destroy sem_close
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#endif
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/******************************************************************************
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*
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* FUNCTION: AcpiOsInitialize, AcpiOsTerminate
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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 and terminate. Nothing to do.
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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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AcpiGbl_OutputFile = stdout;
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return (AE_OK);
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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: 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 ACPI 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
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* 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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AeTableOverride (ExistingTable, NewTable);
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return (AE_OK);
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#else
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return (AE_NO_ACPI_TABLES);
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#endif
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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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* 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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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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va_start (Args, Fmt);
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AcpiOsVprintf (Fmt, Args);
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va_end (Args);
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}
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|
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/******************************************************************************
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*
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* FUNCTION: AcpiOsVprintf
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*
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* PARAMETERS: fmt - Standard printf format
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* args - Argument list
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*
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* RETURN: None
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*
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* DESCRIPTION: Formatted output with argument list pointer
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*
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*****************************************************************************/
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void
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AcpiOsVprintf (
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const char *Fmt,
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va_list Args)
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{
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INT32 Count = 0;
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UINT8 Flags;
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Flags = AcpiGbl_DbOutputFlags;
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if (Flags & ACPI_DB_REDIRECTABLE_OUTPUT)
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{
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/* Output is directable to either a file (if open) or the console */
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if (AcpiGbl_DebugFile)
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{
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/* Output file is open, send the output there */
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Count = vfprintf (AcpiGbl_DebugFile, Fmt, Args);
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}
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else
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{
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/* No redirection, send output to console (once only!) */
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Flags |= ACPI_DB_CONSOLE_OUTPUT;
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}
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}
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if (Flags & ACPI_DB_CONSOLE_OUTPUT)
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{
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Count = vfprintf (AcpiGbl_OutputFile, Fmt, Args);
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}
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}
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|
|
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/******************************************************************************
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*
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* FUNCTION: AcpiOsGetLine
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*
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* PARAMETERS: Buffer - Where to return the command line
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* BufferLength - Maximum length of Buffer
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* BytesRead - Where the actual byte count is returned
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*
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* RETURN: Status and actual bytes read
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*
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* DESCRIPTION: Formatted input with argument list pointer
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*
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*****************************************************************************/
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ACPI_STATUS
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AcpiOsGetLine (
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char *Buffer,
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UINT32 BufferLength,
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UINT32 *BytesRead)
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{
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UINT8 Temp;
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UINT32 i;
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|
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for (i = 0; ; i++)
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{
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if (i >= BufferLength)
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{
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return (AE_BUFFER_OVERFLOW);
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}
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scanf ("%1c", &Temp);
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if (!Temp || Temp == '\n')
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{
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break;
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}
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Buffer [i] = Temp;
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}
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/* Null terminate the buffer */
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Buffer [i] = 0;
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|
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/* Return the number of bytes in the string */
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if (BytesRead)
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{
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*BytesRead = i;
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}
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return (AE_OK);
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}
|
|
|
|
|
|
/******************************************************************************
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|
*
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* FUNCTION: AcpiOsMapMemory
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*
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* PARAMETERS: where - Physical address of memory to be mapped
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* length - How much memory to map
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*
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* RETURN: Pointer to mapped memory. Null on error.
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*
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* DESCRIPTION: Map physical memory into caller's address space
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*
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*****************************************************************************/
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void *
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AcpiOsMapMemory (
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ACPI_PHYSICAL_ADDRESS where,
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ACPI_SIZE length)
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{
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return (ACPI_TO_POINTER ((ACPI_SIZE) where));
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}
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|
|
|
|
/******************************************************************************
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*
|
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* FUNCTION: AcpiOsUnmapMemory
|
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*
|
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* PARAMETERS: where - Logical address of memory to be unmapped
|
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* length - How much memory to unmap
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*
|
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* RETURN: None.
|
|
*
|
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* DESCRIPTION: Delete a previously created mapping. Where and Length must
|
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* correspond to a previous mapping exactly.
|
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*
|
|
*****************************************************************************/
|
|
|
|
void
|
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AcpiOsUnmapMemory (
|
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void *where,
|
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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: 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_HANDLE *OutHandle)
|
|
{
|
|
sem_t *Sem;
|
|
|
|
|
|
if (!OutHandle)
|
|
{
|
|
return (AE_BAD_PARAMETER);
|
|
}
|
|
|
|
Sem = AcpiOsAllocate (sizeof (sem_t));
|
|
if (!Sem)
|
|
{
|
|
return (AE_NO_MEMORY);
|
|
}
|
|
|
|
if (sem_init (Sem, 0, InitialUnits) == -1)
|
|
{
|
|
AcpiOsFree (Sem);
|
|
return (AE_BAD_PARAMETER);
|
|
}
|
|
|
|
*OutHandle = (ACPI_HANDLE) Sem;
|
|
return (AE_OK);
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
*
|
|
* FUNCTION: AcpiOsDeleteSemaphore
|
|
*
|
|
* PARAMETERS: Handle - Handle returned by AcpiOsCreateSemaphore
|
|
*
|
|
* RETURN: Status
|
|
*
|
|
* DESCRIPTION: Delete an OS semaphore
|
|
*
|
|
*****************************************************************************/
|
|
|
|
ACPI_STATUS
|
|
AcpiOsDeleteSemaphore (
|
|
ACPI_HANDLE Handle)
|
|
{
|
|
sem_t *Sem = (sem_t *) Handle;
|
|
|
|
|
|
if (!Sem)
|
|
{
|
|
return (AE_BAD_PARAMETER);
|
|
}
|
|
|
|
if (sem_destroy (Sem) == -1)
|
|
{
|
|
return (AE_BAD_PARAMETER);
|
|
}
|
|
|
|
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_HANDLE Handle,
|
|
UINT32 Units,
|
|
UINT16 Timeout)
|
|
{
|
|
ACPI_STATUS Status = AE_OK;
|
|
sem_t *Sem = (sem_t *) Handle;
|
|
struct timespec T;
|
|
|
|
|
|
if (!Sem)
|
|
{
|
|
return (AE_BAD_PARAMETER);
|
|
}
|
|
|
|
switch (Timeout)
|
|
{
|
|
/*
|
|
* No Wait:
|
|
* --------
|
|
* A zero timeout value indicates that we shouldn't wait - just
|
|
* acquire the semaphore if available otherwise return AE_TIME
|
|
* (a.k.a. 'would block').
|
|
*/
|
|
case 0:
|
|
|
|
if (sem_trywait(Sem) == -1)
|
|
{
|
|
Status = (AE_TIME);
|
|
}
|
|
break;
|
|
|
|
/* Wait Indefinitely */
|
|
|
|
case ACPI_WAIT_FOREVER:
|
|
|
|
if (sem_wait (Sem))
|
|
{
|
|
Status = (AE_TIME);
|
|
}
|
|
break;
|
|
|
|
/* Wait with Timeout */
|
|
|
|
default:
|
|
|
|
T.tv_sec = Timeout / 1000;
|
|
T.tv_nsec = (Timeout - (T.tv_sec * 1000)) * 1000000;
|
|
|
|
#ifdef ACPI_USE_ALTERNATE_TIMEOUT
|
|
/*
|
|
* Alternate timeout mechanism for environments where
|
|
* sem_timedwait is not available or does not work properly.
|
|
*/
|
|
while (Timeout)
|
|
{
|
|
if (sem_trywait (Sem) == 0)
|
|
{
|
|
/* Got the semaphore */
|
|
return (AE_OK);
|
|
}
|
|
usleep (1000); /* one millisecond */
|
|
Timeout--;
|
|
}
|
|
Status = (AE_TIME);
|
|
#else
|
|
|
|
if (sem_timedwait (Sem, &T))
|
|
{
|
|
Status = (AE_TIME);
|
|
}
|
|
#endif
|
|
|
|
break;
|
|
}
|
|
|
|
return (Status);
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
*
|
|
* FUNCTION: AcpiOsSignalSemaphore
|
|
*
|
|
* PARAMETERS: Handle - Handle returned by AcpiOsCreateSemaphore
|
|
* Units - Number of units to send
|
|
*
|
|
* RETURN: Status
|
|
*
|
|
* DESCRIPTION: Send units
|
|
*
|
|
*****************************************************************************/
|
|
|
|
ACPI_STATUS
|
|
AcpiOsSignalSemaphore (
|
|
ACPI_HANDLE Handle,
|
|
UINT32 Units)
|
|
{
|
|
sem_t *Sem = (sem_t *)Handle;
|
|
|
|
|
|
if (!Sem)
|
|
{
|
|
return (AE_BAD_PARAMETER);
|
|
}
|
|
|
|
if (sem_post (Sem) == -1)
|
|
{
|
|
return (AE_LIMIT);
|
|
}
|
|
|
|
return (AE_OK);
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
*
|
|
* FUNCTION: Spinlock interfaces
|
|
*
|
|
* DESCRIPTION: Map these interfaces to semaphore interfaces
|
|
*
|
|
*****************************************************************************/
|
|
|
|
ACPI_STATUS
|
|
AcpiOsCreateLock (
|
|
ACPI_SPINLOCK *OutHandle)
|
|
{
|
|
|
|
return (AcpiOsCreateSemaphore (1, 1, OutHandle));
|
|
}
|
|
|
|
|
|
void
|
|
AcpiOsDeleteLock (
|
|
ACPI_SPINLOCK Handle)
|
|
{
|
|
AcpiOsDeleteSemaphore (Handle);
|
|
}
|
|
|
|
|
|
ACPI_CPU_FLAGS
|
|
AcpiOsAcquireLock (
|
|
ACPI_HANDLE Handle)
|
|
{
|
|
AcpiOsWaitSemaphore (Handle, 1, 0xFFFF);
|
|
return (0);
|
|
}
|
|
|
|
|
|
void
|
|
AcpiOsReleaseLock (
|
|
ACPI_SPINLOCK Handle,
|
|
ACPI_CPU_FLAGS Flags)
|
|
{
|
|
AcpiOsSignalSemaphore (Handle, 1);
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
*
|
|
* 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: AcpiOsStall
|
|
*
|
|
* PARAMETERS: microseconds - Time to sleep
|
|
*
|
|
* RETURN: Blocks until sleep is completed.
|
|
*
|
|
* DESCRIPTION: Sleep at microsecond granularity
|
|
*
|
|
*****************************************************************************/
|
|
|
|
void
|
|
AcpiOsStall (
|
|
UINT32 microseconds)
|
|
{
|
|
|
|
if (microseconds)
|
|
{
|
|
usleep (microseconds);
|
|
}
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
*
|
|
* FUNCTION: AcpiOsSleep
|
|
*
|
|
* PARAMETERS: milliseconds - Time to sleep
|
|
*
|
|
* RETURN: Blocks until sleep is completed.
|
|
*
|
|
* DESCRIPTION: Sleep at millisecond granularity
|
|
*
|
|
*****************************************************************************/
|
|
|
|
void
|
|
AcpiOsSleep (
|
|
UINT64 milliseconds)
|
|
{
|
|
|
|
sleep (milliseconds / 1000); /* Sleep for whole seconds */
|
|
|
|
/*
|
|
* Arg to usleep() must be less than 1,000,000 (1 second)
|
|
*/
|
|
usleep ((milliseconds % 1000) * 1000); /* Sleep for remaining usecs */
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
*
|
|
* FUNCTION: AcpiOsGetTimer
|
|
*
|
|
* PARAMETERS: None
|
|
*
|
|
* RETURN: Current time in 100 nanosecond units
|
|
*
|
|
* DESCRIPTION: Get the current system time
|
|
*
|
|
*****************************************************************************/
|
|
|
|
UINT64
|
|
AcpiOsGetTimer (
|
|
void)
|
|
{
|
|
struct timeval time;
|
|
|
|
|
|
gettimeofday (&time, NULL);
|
|
|
|
/* Seconds * 10^7 = 100ns(10^-7), Microseconds(10^-6) * 10^1 = 100ns */
|
|
|
|
return (((UINT64) time.tv_sec * 10000000) + ((UINT64) time.tv_usec * 10));
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
*
|
|
* 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,
|
|
UINT64 *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);
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
*
|
|
* 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
|
|
*
|
|
* 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);
|
|
}
|
|
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: AcpiOsReadable
|
|
*
|
|
* PARAMETERS: Pointer - Area to be verified
|
|
* Length - Size of area
|
|
*
|
|
* RETURN: TRUE if readable for entire length
|
|
*
|
|
* DESCRIPTION: Verify that a pointer is valid for reading
|
|
*
|
|
*****************************************************************************/
|
|
|
|
BOOLEAN
|
|
AcpiOsReadable (
|
|
void *Pointer,
|
|
ACPI_SIZE Length)
|
|
{
|
|
|
|
return (TRUE);
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
*
|
|
* FUNCTION: AcpiOsWritable
|
|
*
|
|
* PARAMETERS: Pointer - Area to be verified
|
|
* Length - Size of area
|
|
*
|
|
* RETURN: TRUE if writable for entire length
|
|
*
|
|
* DESCRIPTION: Verify that a pointer is valid for writing
|
|
*
|
|
*****************************************************************************/
|
|
|
|
BOOLEAN
|
|
AcpiOsWritable (
|
|
void *Pointer,
|
|
ACPI_SIZE Length)
|
|
{
|
|
|
|
return (TRUE);
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
*
|
|
* 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);
|
|
}
|
|
|
|
|