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acpica/source/os_specific/service_layers/oswinxf.c
aystarik 6ce4e2345c Timer fussing 
date	2004.12.10.21.20.00;	author rmoore1;	state Exp;
2005-06-29 20:35:47 +00:00

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/******************************************************************************
*
* Module Name: oswinxf - Windows OSL
* $Revision: 1.61 $
*
*****************************************************************************/
/******************************************************************************
*
* 1. Copyright Notice
*
* Some or all of this work - Copyright (c) 1999 - 2004, Intel Corp.
* All rights reserved.
*
* 2. License
*
* 2.1. This is your license from Intel Corp. under its intellectual property
* rights. You may have additional license terms from the party that provided
* you this software, covering your right to use that party's intellectual
* property rights.
*
* 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
* copy of the source code appearing in this file ("Covered Code") an
* irrevocable, perpetual, worldwide license under Intel's copyrights in the
* base code distributed originally by Intel ("Original Intel Code") to copy,
* make derivatives, distribute, use and display any portion of the Covered
* Code in any form, with the right to sublicense such rights; and
*
* 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
* license (with the right to sublicense), under only those claims of Intel
* patents that are infringed by the Original Intel Code, to make, use, sell,
* offer to sell, and import the Covered Code and derivative works thereof
* solely to the minimum extent necessary to exercise the above copyright
* license, and in no event shall the patent license extend to any additions
* to or modifications of the Original Intel Code. No other license or right
* is granted directly or by implication, estoppel or otherwise;
*
* The above copyright and patent license is granted only if the following
* conditions are met:
*
* 3. Conditions
*
* 3.1. Redistribution of Source with Rights to Further Distribute Source.
* Redistribution of source code of any substantial portion of the Covered
* Code or modification with rights to further distribute source must include
* the above Copyright Notice, the above License, this list of Conditions,
* and the following Disclaimer and Export Compliance provision. In addition,
* Licensee must cause all Covered Code to which Licensee contributes to
* contain a file documenting the changes Licensee made to create that Covered
* Code and the date of any change. Licensee must include in that file the
* documentation of any changes made by any predecessor Licensee. Licensee
* must include a prominent statement that the modification is derived,
* directly or indirectly, from Original Intel Code.
*
* 3.2. Redistribution of Source with no Rights to Further Distribute Source.
* Redistribution of source code of any substantial portion of the Covered
* Code or modification without rights to further distribute source must
* include the following Disclaimer and Export Compliance provision in the
* documentation and/or other materials provided with distribution. In
* addition, Licensee may not authorize further sublicense of source of any
* portion of the Covered Code, and must include terms to the effect that the
* license from Licensee to its licensee is limited to the intellectual
* property embodied in the software Licensee provides to its licensee, and
* not to intellectual property embodied in modifications its licensee may
* make.
*
* 3.3. Redistribution of Executable. Redistribution in executable form of any
* substantial portion of the Covered Code or modification must reproduce the
* above Copyright Notice, and the following Disclaimer and Export Compliance
* provision in the documentation and/or other materials provided with the
* distribution.
*
* 3.4. Intel retains all right, title, and interest in and to the Original
* Intel Code.
*
* 3.5. Neither the name Intel nor any other trademark owned or controlled by
* Intel shall be used in advertising or otherwise to promote the sale, use or
* other dealings in products derived from or relating to the Covered Code
* without prior written authorization from Intel.
*
* 4. Disclaimer and Export Compliance
*
* 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
* HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
* IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE,
* INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY
* UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY
* IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
* PARTICULAR PURPOSE.
*
* 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
* OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
* COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
* SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
* CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
* HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS
* SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
* LIMITED REMEDY.
*
* 4.3. Licensee shall not export, either directly or indirectly, any of this
* software or system incorporating such software without first obtaining any
* required license or other approval from the U. S. Department of Commerce or
* any other agency or department of the United States Government. In the
* event Licensee exports any such software from the United States or
* re-exports any such software from a foreign destination, Licensee shall
* ensure that the distribution and export/re-export of the software is in
* compliance with all laws, regulations, orders, or other restrictions of the
* U.S. Export Administration Regulations. Licensee agrees that neither it nor
* any of its subsidiaries will export/re-export any technical data, process,
* software, or service, directly or indirectly, to any country for which the
* United States government or any agency thereof requires an export license,
* other governmental approval, or letter of assurance, without first obtaining
* such license, approval or letter.
*
*****************************************************************************/
/*
* These interfaces are required in order to link to the ACPI subsystem
* parser. They are called during the execution of the parser, and all
* map directly to Clibrary calls.
*/
#ifdef WIN32
#pragma warning(disable:4115) /* warning C4115: named type definition in parentheses (caused by rpcasync.h> */
#include <windows.h>
#include <winbase.h>
#endif
#ifdef WIN64
#include <windowsx.h>
#endif
#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
#include <process.h>
#include <time.h>
#include "acpi.h"
#include "acdebug.h"
#define _COMPONENT ACPI_OS_SERVICES
ACPI_MODULE_NAME ("oswinxf")
#define NUM_SEMAPHORES 128
typedef struct semaphore_entry
{
UINT16 MaxUnits;
UINT16 CurrentUnits;
void *OsHandle;
} SEMAPHORE_ENTRY;
SEMAPHORE_ENTRY AcpiGbl_Semaphores[NUM_SEMAPHORES];
extern FILE *AcpiGbl_DebugFile;
ACPI_STATUS
AeLocalGetRootPointer (
UINT32 Flags,
ACPI_POINTER *Address);
FILE *AcpiGbl_OutputFile;
UINT64 TimerFrequency2;
#ifndef _ACPI_EXEC_APP
/* Used by both iASL and AcpiDump applications */
CHAR s[500];
/******************************************************************************
*
* FUNCTION: OsGetTable
*
* PARAMETERS: None
*
* RETURN: Pointer to the table. NULL if failure
*
* DESCRIPTION: Get an ACPI table from the Windows registry.
*
*****************************************************************************/
ACPI_TABLE_HEADER *
OsGetTable (
char *TableName)
{
HKEY Handle = NULL;
ULONG i;
LONG Status;
ULONG Type;
ULONG NameSize;
ULONG DataSize;
HKEY SubKey;
ACPI_TABLE_HEADER *Buffer;
char *Signature = TableName;
/* Get a handle to the DSDT key */
while (1)
{
ACPI_STRCPY (s, "HARDWARE\\ACPI\\");
ACPI_STRCAT (s, Signature);
Status = RegOpenKeyEx (HKEY_LOCAL_MACHINE, s,
0L, KEY_ALL_ACCESS, &Handle);
if (Status != ERROR_SUCCESS)
{
/*
* Somewhere along the way, MS changed the registry entry for
* the FADT from
* HARDWARE/ACPI/FACP to
* HARDWARE/ACPI/FADT.
*
* This code allows for both.
*/
if (!ACPI_STRNCMP (Signature, "FACP", 4))
{
Signature = "FADT";
}
else
{
AcpiOsPrintf ("Could not find %s in registry at %s\n", TableName, s);
return (NULL);
}
}
else
{
break;
}
}
/* Actual table is down a couple of levels */
for (i = 0; ;)
{
Status = RegEnumKey (Handle, i, s, sizeof(s));
i += 1;
if (Status == ERROR_NO_MORE_ITEMS)
{
break;
}
Status = RegOpenKey (Handle, s, &SubKey);
if (Status != ERROR_SUCCESS)
{
AcpiOsPrintf ("Could not open %s entry\n", TableName);
return (NULL);
}
RegCloseKey (Handle);
Handle = SubKey;
i = 0;
}
/* Find the table entry */
for (i = 0; ;)
{
NameSize = sizeof (s);
Status = RegEnumValue (Handle, i, s, &NameSize,
NULL, &Type, NULL, 0 );
if (Status != ERROR_SUCCESS)
{
AcpiOsPrintf ("Could not get %s registry entry\n", TableName);
return (NULL);
}
if (Type == REG_BINARY)
{
break;
}
i += 1;
}
/* Get the size of the table */
Status = RegQueryValueEx (Handle, s, NULL, NULL, NULL, &DataSize);
if (Status != ERROR_SUCCESS)
{
AcpiOsPrintf ("Could not read the %s table size\n", TableName);
return (NULL);
}
/* Allocate a new buffer for the table */
Buffer = AcpiOsAllocate (DataSize);
if (!Buffer)
{
goto Cleanup;
}
/* Get the actual table from the registry */
Status = RegQueryValueEx (Handle, s, NULL, NULL, (UCHAR *) Buffer, &DataSize);
if (Status != ERROR_SUCCESS)
{
AcpiOsPrintf ("Could not read %s data\n", TableName);
return (NULL);
}
Cleanup:
RegCloseKey (Handle);
return (Buffer);
}
#endif
/******************************************************************************
*
* FUNCTION: AcpiOsInitialize, AcpiOsTerminate
*
* PARAMETERS: None
*
* RETURN: Status
*
* DESCRIPTION: Init this OSL
*
*****************************************************************************/
ACPI_STATUS
AcpiOsInitialize (void)
{
UINT32 i;
LARGE_INTEGER TimerFrequency;
AcpiGbl_OutputFile = stdout;
for (i = 0; i < NUM_SEMAPHORES; i++)
{
AcpiGbl_Semaphores[i].OsHandle = NULL;
}
TimerFrequency2 = 0;
if (QueryPerformanceFrequency (&TimerFrequency))
{
/* Convert ticks/sec to ticks/100nsec */
TimerFrequency2 = TimerFrequency.QuadPart / 10000;
}
return AE_OK;
}
ACPI_STATUS
AcpiOsTerminate (void)
{
return AE_OK;
}
/******************************************************************************
*
* FUNCTION: AcpiOsGetRootPointer
*
* PARAMETERS: Flags - Logical or physical addressing mode
* Address - Where the address is returned
*
* RETURN: Status
*
* DESCRIPTION: Gets the root pointer (RSDP)
*
*****************************************************************************/
ACPI_STATUS
AcpiOsGetRootPointer (
UINT32 Flags,
ACPI_POINTER *Address)
{
return (AeLocalGetRootPointer (Flags, Address));
}
/******************************************************************************
*
* FUNCTION: AcpiOsPredefinedOverride
*
* PARAMETERS: InitVal - Initial value of the predefined object
* NewVal - The new value for the object
*
* RETURN: Status, pointer to value. Null pointer returned if not
* overriding.
*
* DESCRIPTION: Allow the OS to override predefined names
*
*****************************************************************************/
ACPI_STATUS
AcpiOsPredefinedOverride (
const ACPI_PREDEFINED_NAMES *InitVal,
ACPI_STRING *NewVal)
{
if (!InitVal || !NewVal)
{
return (AE_BAD_PARAMETER);
}
*NewVal = NULL;
return (AE_OK);
}
/******************************************************************************
*
* FUNCTION: AcpiOsTableOverride
*
* PARAMETERS: ExistingTable - Header of current table (probably firmware)
* NewTable - Where an entire new table is returned.
*
* RETURN: Status, pointer to new table. Null pointer returned if no
* table is available to override
*
* DESCRIPTION: Return a different version of a table if one is available
*
*****************************************************************************/
ACPI_STATUS
AcpiOsTableOverride (
ACPI_TABLE_HEADER *ExistingTable,
ACPI_TABLE_HEADER **NewTable)
{
#ifndef _ACPI_EXEC_APP
char TableName[ACPI_NAME_SIZE + 1];
#endif
if (!ExistingTable || !NewTable)
{
return (AE_BAD_PARAMETER);
}
*NewTable = NULL;
#ifdef _ACPI_EXEC_APP
/* This code exercises the table override mechanism in the core */
if (!ACPI_STRNCMP (ExistingTable->Signature, DSDT_SIG, ACPI_NAME_SIZE))
{
/* override DSDT with itself */
*NewTable = AcpiGbl_DbTablePtr;
}
#else
/* Construct a null-terminated string from table signature */
TableName[ACPI_NAME_SIZE] = 0;
ACPI_STRNCPY (TableName, ExistingTable->Signature, ACPI_NAME_SIZE);
*NewTable = OsGetTable (TableName);
if (*NewTable)
{
AcpiOsPrintf ("%s obtained from registry, %d bytes\n",
TableName, (*NewTable)->Length);
}
else
{
AcpiOsPrintf ("Could not read %s from registry\n", TableName);
}
#endif
return (AE_OK);
}
/******************************************************************************
*
* FUNCTION: AcpiOsGetTimer
*
* PARAMETERS: None
*
* RETURN: Current ticks in 100-nanosecond units
*
* DESCRIPTION: Get the value of a system timer
*
******************************************************************************/
UINT64
AcpiOsGetTimer (
void)
{
LARGE_INTEGER Timer;
/* Attempt to use hi-granularity timer first */
if (TimerFrequency2 &&
QueryPerformanceCounter (&Timer))
{
/* Convert to 100 nanosecond ticks */
return ((UINT64) (Timer.QuadPart / TimerFrequency2));
}
/* Fall back to the lo-granularity timer */
else
{
/* Convert milliseconds to 100 nanosecond ticks */
return ((UINT64) GetTickCount() * 10000);
}
}
/******************************************************************************
*
* 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 ((BOOLEAN) !IsBadReadPtr (Pointer, Length));
}
/******************************************************************************
*
* 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 ((BOOLEAN) !IsBadWritePtr (Pointer, Length));
}
/******************************************************************************
*
* FUNCTION: AcpiOsRedirectOutput
*
* PARAMETERS: Destination - An open file handle/pointer
*
* RETURN: None
*
* DESCRIPTION: Causes redirect of AcpiOsPrintf and AcpiOsVprintf
*
*****************************************************************************/
void
AcpiOsRedirectOutput (
void *Destination)
{
AcpiGbl_OutputFile = Destination;
}
/******************************************************************************
*
* FUNCTION: AcpiOsPrintf
*
* PARAMETERS: fmt, ... Standard printf format
*
* RETURN: None
*
* DESCRIPTION: Formatted output
*
*****************************************************************************/
void ACPI_INTERNAL_VAR_XFACE
AcpiOsPrintf (
const char *Fmt,
...)
{
va_list Args;
va_start (Args, Fmt);
AcpiOsVprintf (Fmt, Args);
va_end (Args);
return;
}
/******************************************************************************
*
* FUNCTION: AcpiOsVprintf
*
* PARAMETERS: fmt Standard printf format
* args Argument list
*
* RETURN: None
*
* DESCRIPTION: Formatted output with argument list pointer
*
*****************************************************************************/
void
AcpiOsVprintf (
const char *Fmt,
va_list Args)
{
INT32 Count = 0;
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
* there Logical address of mapped memory
*
* RETURN: Pointer to mapped memory. Null on error.
*
* DESCRIPTION: Map physical memory into caller's address space
*
*****************************************************************************/
ACPI_STATUS
AcpiOsMapMemory (
UINT64 where,
ACPI_SIZE length,
void **there)
{
*there = ACPI_TO_POINTER ((ACPI_NATIVE_UINT) where);
return AE_OK;
}
/******************************************************************************
*
* 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_HANDLE *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 < NUM_SEMAPHORES; i++)
{
if (!AcpiGbl_Semaphores[i].OsHandle)
{
break;
}
}
if (i >= NUM_SEMAPHORES)
{
return AE_LIMIT;
}
/* Create an OS semaphore */
Mutex = CreateSemaphore (NULL, InitialUnits, MaxUnits, NULL);
if (!Mutex)
{
ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "CreateSemaphore: could not create!\n"));
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_HANDLE Handle)
{
UINT32 Index = (UINT32) Handle;
if ((Index >= NUM_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_HANDLE Handle,
UINT32 Units,
UINT16 Timeout)
{
#ifdef _MULTI_THREADED
UINT32 Index = (UINT32) Handle;
UINT32 WaitStatus;
UINT32 OsTimeout = Timeout;
ACPI_FUNCTION_NAME ("OsWaitSemaphore");
if ((Index >= NUM_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;
}
/* TBD: Make this a command line option so that we can catch
* synchronization deadlocks
*
if (Timeout == INFINITE)
Timeout = 400000;
*/
if (Timeout == ACPI_WAIT_FOREVER)
{
OsTimeout = INFINITE;
}
/* Add 10ms to account for clock tick granularity */
WaitStatus = WaitForSingleObject (AcpiGbl_Semaphores[Index].OsHandle, OsTimeout+10);
if (WaitStatus == WAIT_TIMEOUT)
{
/* Make optional -- wait of 0 is used to detect if unit is available
ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "WaitSemaphore [%d]: *** Timeout on semaphore %d\n",
Handle));
*/
return AE_TIME;
}
if (AcpiGbl_Semaphores[Index].CurrentUnits == 0)
{
ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "%s - No unit received. Timeout %X, OSstatus 0x%X\n",
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_HANDLE Handle,
UINT32 Units)
{
#ifdef _MULTI_THREADED
UINT32 Index = (UINT32) Handle;
ACPI_FUNCTION_NAME ("OsSignalSemaphore");
if ((Index >= NUM_SEMAPHORES) ||
!AcpiGbl_Semaphores[Index].OsHandle)
{
return AE_BAD_PARAMETER;
}
if (Units > 1)
{
printf ("SignalSemaphore: Attempt to signal %d units\n", Units);
return AE_NOT_IMPLEMENTED;
}
if ((AcpiGbl_Semaphores[Index].CurrentUnits + 1) >
AcpiGbl_Semaphores[Index].MaxUnits)
{
ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Oversignalled semaphore[%d]! Current %d Max %d\n",
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);
}
ACPI_STATUS
AcpiOsCreateLock (
ACPI_HANDLE *OutHandle)
{
return (AcpiOsCreateSemaphore (1, 1, OutHandle));
}
void
AcpiOsDeleteLock (
ACPI_HANDLE Handle)
{
AcpiOsDeleteSemaphore (Handle);
}
void
AcpiOsAcquireLock (
ACPI_HANDLE Handle,
UINT32 Flags)
{
AcpiOsWaitSemaphore (Handle, 1, 0xFFFF);
}
void
AcpiOsReleaseLock (
ACPI_HANDLE Handle,
UINT32 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: AcpiOsGetThreadId
*
* PARAMETERS: None
*
* RETURN: Id of the running thread
*
* DESCRIPTION: Get the Id of the current (running) thread
*
*****************************************************************************/
UINT32
AcpiOsGetThreadId (
void)
{
return (GetCurrentThreadId ());
}
/******************************************************************************
*
* FUNCTION: AcpiOsQueueForExecution
*
* PARAMETERS: Priority - Requested execution priority
* Function - Address of the function to execute
* Context - Passed as a parameter to the function
*
* RETURN: Status.
*
* DESCRIPTION: Sleep at microsecond granularity
*
*****************************************************************************/
ACPI_STATUS
AcpiOsQueueForExecution (
UINT32 Priority,
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 (
ACPI_INTEGER milliseconds)
{
/* Add 10ms to account for clock tick granularity */
Sleep (((unsigned long) milliseconds) + 10);
return;
}
/******************************************************************************
*
* 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,
ACPI_INTEGER 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
*
*****************************************************************************/
ACPI_STATUS
AcpiOsSignal (
UINT32 Function,
void *Info)
{
switch (Function)
{
case ACPI_SIGNAL_FATAL:
break;
case ACPI_SIGNAL_BREAKPOINT:
if (Info)
{
AcpiOsPrintf ("AcpiOsBreakpoint: %s ****\n", Info);
}
else
{
AcpiOsPrintf ("At AcpiOsBreakpoint ****\n");
}
break;
}
return (AE_OK);
}
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