0,0 → 1,1486 |
/****************************************************************************** |
* |
* Module Name: oswinxf - Windows OSL |
* |
*****************************************************************************/ |
|
/****************************************************************************** |
* |
* 1. Copyright Notice |
* |
* Some or all of this work - Copyright (c) 1999 - 2010, 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. |
* |
*****************************************************************************/ |
|
|
#ifdef WIN32 |
#pragma warning(disable:4115) /* warning C4115: named type definition in parentheses (caused by rpcasync.h> */ |
|
#include <windows.h> |
#include <winbase.h> |
|
#elif WIN64 |
#include <windowsx.h> |
#endif |
|
#include <stdio.h> |
#include <stdlib.h> |
#include <stdarg.h> |
#include <process.h> |
#include <time.h> |
|
#include "acpi.h" |
#include "accommon.h" |
|
#define _COMPONENT ACPI_OS_SERVICES |
ACPI_MODULE_NAME ("oswinxf") |
|
|
/* Semaphore information structure */ |
|
typedef struct acpi_os_semaphore_info |
{ |
UINT16 MaxUnits; |
UINT16 CurrentUnits; |
void *OsHandle; |
|
} ACPI_OS_SEMAPHORE_INFO; |
|
/* Need enough semaphores to run the large aslts suite */ |
|
#define ACPI_OS_MAX_SEMAPHORES 256 |
|
ACPI_OS_SEMAPHORE_INFO AcpiGbl_Semaphores[ACPI_OS_MAX_SEMAPHORES]; |
|
|
/* Upcalls to AcpiExec */ |
|
ACPI_PHYSICAL_ADDRESS |
AeLocalGetRootPointer ( |
void); |
|
void |
AeTableOverride ( |
ACPI_TABLE_HEADER *ExistingTable, |
ACPI_TABLE_HEADER **NewTable); |
|
ACPI_TABLE_HEADER * |
OsGetTable ( |
char *Signature); |
|
|
extern FILE *AcpiGbl_DebugFile; |
extern BOOLEAN AcpiGbl_DebugTimeout; |
|
FILE *AcpiGbl_OutputFile; |
UINT64 TimerFrequency; |
char TableName[ACPI_NAME_SIZE + 1]; |
|
#define ACPI_OS_DEBUG_TIMEOUT 30000 /* 30 seconds */ |
|
|
/****************************************************************************** |
* |
* FUNCTION: AcpiOsTerminate |
* |
* PARAMETERS: None |
* |
* RETURN: None |
* |
* DESCRIPTION: Nothing to do for windows |
* |
*****************************************************************************/ |
|
ACPI_STATUS |
AcpiOsTerminate (void) |
{ |
return AE_OK; |
} |
|
|
/****************************************************************************** |
* |
* FUNCTION: AcpiOsInitialize |
* |
* PARAMETERS: None |
* |
* RETURN: Status |
* |
* DESCRIPTION: Init this OSL |
* |
*****************************************************************************/ |
|
ACPI_STATUS |
AcpiOsInitialize (void) |
{ |
LARGE_INTEGER LocalTimerFrequency; |
|
|
AcpiGbl_OutputFile = stdout; |
|
/* Clear the semaphore info array */ |
|
memset (AcpiGbl_Semaphores, 0x00, sizeof (AcpiGbl_Semaphores)); |
|
/* Get the timer frequency for use in AcpiOsGetTimer */ |
|
TimerFrequency = 0; |
if (QueryPerformanceFrequency (&LocalTimerFrequency)) |
{ |
/* Frequency is in ticks per second */ |
|
TimerFrequency = LocalTimerFrequency.QuadPart; |
} |
|
return AE_OK; |
} |
|
|
/****************************************************************************** |
* |
* FUNCTION: AcpiOsGetRootPointer |
* |
* PARAMETERS: None |
* |
* RETURN: RSDP physical address |
* |
* DESCRIPTION: Gets the root pointer (RSDP) |
* |
*****************************************************************************/ |
|
ACPI_PHYSICAL_ADDRESS |
AcpiOsGetRootPointer ( |
void) |
{ |
|
return (AeLocalGetRootPointer ()); |
} |
|
|
/****************************************************************************** |
* |
* 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) |
{ |
|
if (!ExistingTable || !NewTable) |
{ |
return (AE_BAD_PARAMETER); |
} |
|
*NewTable = NULL; |
|
|
#ifdef ACPI_EXEC_APP |
|
/* Call back up to AcpiExec */ |
|
AeTableOverride (ExistingTable, NewTable); |
#endif |
|
|
#ifdef ACPI_ASL_COMPILER |
|
/* Attempt to get the table from the registry */ |
|
/* 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 ("Table [%s] obtained from registry, %u bytes\n", |
TableName, (*NewTable)->Length); |
} |
else |
{ |
AcpiOsPrintf ("Could not read table %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 (TimerFrequency && |
QueryPerformanceCounter (&Timer)) |
{ |
/* Convert to 100 nanosecond ticks */ |
|
return ((UINT64) ((Timer.QuadPart * (UINT64) 10000000) / TimerFrequency)); |
} |
|
/* 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 |
* |
* 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=%u, Max=%u, Current=%u, 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 %u 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 %u 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 Device, |
ACPI_HANDLE Region, |
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 |