| /****************************************************************************** |
| * |
| * Module Name: oswinxf - Windows OSL |
| * |
| *****************************************************************************/ |
| |
| /* |
| * Copyright (C) 2000 - 2016, Intel Corp. |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions, and the following disclaimer, |
| * without modification. |
| * 2. Redistributions in binary form must reproduce at minimum a disclaimer |
| * substantially similar to the "NO WARRANTY" disclaimer below |
| * ("Disclaimer") and any redistribution must be conditioned upon |
| * including a substantially similar Disclaimer requirement for further |
| * binary redistribution. |
| * 3. Neither the names of the above-listed copyright holders nor the names |
| * of any contributors may be used to endorse or promote products derived |
| * from this software without specific prior written permission. |
| * |
| * Alternatively, this software may be distributed under the terms of the |
| * GNU General Public License ("GPL") version 2 as published by the Free |
| * Software Foundation. |
| * |
| * NO WARRANTY |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
| * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING |
| * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| * POSSIBILITY OF SUCH DAMAGES. |
| */ |
| |
| #include "acpi.h" |
| #include "accommon.h" |
| |
| #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> |
| |
| #define _COMPONENT ACPI_OS_SERVICES |
| ACPI_MODULE_NAME ("oswinxf") |
| |
| |
| UINT64 TimerFrequency; |
| char TableName[ACPI_NAME_SIZE + 1]; |
| |
| #define ACPI_OS_DEBUG_TIMEOUT 30000 /* 30 seconds */ |
| |
| |
| /* Upcalls to AcpiExec application */ |
| |
| void |
| AeTableOverride ( |
| ACPI_TABLE_HEADER *ExistingTable, |
| ACPI_TABLE_HEADER **NewTable); |
| |
| /* |
| * Real semaphores are only used for a multi-threaded application |
| */ |
| #ifndef ACPI_SINGLE_THREADED |
| |
| /* 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]; |
| |
| #endif /* ACPI_SINGLE_THREADED */ |
| |
| BOOLEAN AcpiGbl_DebugTimeout = FALSE; |
| |
| |
| /****************************************************************************** |
| * |
| * FUNCTION: AcpiOsTerminate |
| * |
| * PARAMETERS: None |
| * |
| * RETURN: Status |
| * |
| * 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) |
| { |
| ACPI_STATUS Status; |
| LARGE_INTEGER LocalTimerFrequency; |
| |
| |
| #ifndef ACPI_SINGLE_THREADED |
| /* Clear the semaphore info array */ |
| |
| memset (AcpiGbl_Semaphores, 0x00, sizeof (AcpiGbl_Semaphores)); |
| #endif |
| |
| AcpiGbl_OutputFile = stdout; |
| |
| /* Get the timer frequency for use in AcpiOsGetTimer */ |
| |
| TimerFrequency = 0; |
| if (QueryPerformanceFrequency (&LocalTimerFrequency)) |
| { |
| /* Frequency is in ticks per second */ |
| |
| TimerFrequency = LocalTimerFrequency.QuadPart; |
| } |
| |
| Status = AcpiOsCreateLock (&AcpiGbl_PrintLock); |
| if (ACPI_FAILURE (Status)) |
| { |
| return (Status); |
| } |
| |
| return (AE_OK); |
| } |
| |
| |
| #ifndef ACPI_USE_NATIVE_RSDP_POINTER |
| /****************************************************************************** |
| * |
| * FUNCTION: AcpiOsGetRootPointer |
| * |
| * PARAMETERS: None |
| * |
| * RETURN: RSDP physical address |
| * |
| * DESCRIPTION: Gets the root pointer (RSDP) |
| * |
| *****************************************************************************/ |
| |
| ACPI_PHYSICAL_ADDRESS |
| AcpiOsGetRootPointer ( |
| void) |
| { |
| |
| return (0); |
| } |
| #endif |
| |
| |
| /****************************************************************************** |
| * |
| * 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 |
| |
| return (AE_OK); |
| } |
| |
| |
| /****************************************************************************** |
| * |
| * FUNCTION: AcpiOsPhysicalTableOverride |
| * |
| * PARAMETERS: ExistingTable - Header of current table (probably firmware) |
| * NewAddress - Where new table address is returned |
| * (Physical address) |
| * NewTableLength - Where new table length is returned |
| * |
| * RETURN: Status, address/length of new table. Null pointer returned |
| * if no table is available to override. |
| * |
| * DESCRIPTION: Returns AE_SUPPORT, function not used in user space. |
| * |
| *****************************************************************************/ |
| |
| ACPI_STATUS |
| AcpiOsPhysicalTableOverride ( |
| ACPI_TABLE_HEADER *ExistingTable, |
| ACPI_PHYSICAL_ADDRESS *NewAddress, |
| UINT32 *NewTableLength) |
| { |
| |
| return (AE_SUPPORT); |
| } |
| |
| |
| /****************************************************************************** |
| * |
| * 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) ACPI_100NSEC_PER_SEC) / |
| TimerFrequency)); |
| } |
| |
| /* Fall back to the lo-granularity timer */ |
| |
| else |
| { |
| /* Convert milliseconds to 100 nanosecond ticks */ |
| |
| return ((UINT64) GetTickCount() * ACPI_100NSEC_PER_MSEC); |
| } |
| } |
| |
| |
| /****************************************************************************** |
| * |
| * 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; |
| 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 */ |
| |
| va_start (Args, Fmt); |
| vfprintf (AcpiGbl_DebugFile, Fmt, Args); |
| va_end (Args); |
| } |
| else |
| { |
| /* No redirection, send output to console (once only!) */ |
| |
| Flags |= ACPI_DB_CONSOLE_OUTPUT; |
| } |
| } |
| |
| if (Flags & ACPI_DB_CONSOLE_OUTPUT) |
| { |
| va_start (Args, Fmt); |
| vfprintf (AcpiGbl_OutputFile, 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: Buffer - Where to return the command line |
| * BufferLength - Maximum length of Buffer |
| * BytesRead - Where the actual byte count is returned |
| * |
| * RETURN: Status and actual bytes read |
| * |
| * DESCRIPTION: Formatted input with argument list pointer |
| * |
| *****************************************************************************/ |
| |
| ACPI_STATUS |
| AcpiOsGetLine ( |
| char *Buffer, |
| UINT32 BufferLength, |
| UINT32 *BytesRead) |
| { |
| int Temp; |
| UINT32 i; |
| |
| |
| for (i = 0; ; i++) |
| { |
| if (i >= BufferLength) |
| { |
| return (AE_BUFFER_OVERFLOW); |
| } |
| |
| if ((Temp = getchar ()) == EOF) |
| { |
| return (AE_ERROR); |
| } |
| |
| if (!Temp || Temp == '\n') |
| { |
| break; |
| } |
| |
| Buffer [i] = (char) Temp; |
| } |
| |
| /* Null terminate the buffer */ |
| |
| Buffer [i] = 0; |
| |
| /* Return the number of bytes in the string */ |
| |
| if (BytesRead) |
| { |
| *BytesRead = i; |
| } |
| |
| return (AE_OK); |
| } |
| |
| |
| #ifndef ACPI_USE_NATIVE_MEMORY_MAPPING |
| /****************************************************************************** |
| * |
| * 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; |
| } |
| #endif |
| |
| |
| /****************************************************************************** |
| * |
| * 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); |
| } |
| |
| |
| #ifdef USE_NATIVE_ALLOCATE_ZEROED |
| /****************************************************************************** |
| * |
| * FUNCTION: AcpiOsAllocateZeroed |
| * |
| * PARAMETERS: Size - Amount to allocate, in bytes |
| * |
| * RETURN: Pointer to the new allocation. Null on error. |
| * |
| * DESCRIPTION: Allocate and zero memory. Algorithm is dependent on the OS. |
| * |
| *****************************************************************************/ |
| |
| void * |
| AcpiOsAllocateZeroed ( |
| ACPI_SIZE Size) |
| { |
| void *Mem; |
| |
| |
| Mem = (void *) calloc (1, (size_t) Size); |
| return (Mem); |
| } |
| #endif |
| |
| |
| /****************************************************************************** |
| * |
| * FUNCTION: AcpiOsFree |
| * |
| * PARAMETERS: Mem - Pointer to previously allocated memory |
| * |
| * RETURN: None. |
| * |
| * DESCRIPTION: Free memory allocated via AcpiOsAllocate |
| * |
| *****************************************************************************/ |
| |
| void |
| AcpiOsFree ( |
| void *Mem) |
| { |
| |
| free (Mem); |
| } |
| |
| |
| #ifdef ACPI_SINGLE_THREADED |
| /****************************************************************************** |
| * |
| * FUNCTION: Semaphore stub functions |
| * |
| * DESCRIPTION: Stub functions used for single-thread applications that do |
| * not require semaphore synchronization. Full implementations |
| * of these functions appear after the stubs. |
| * |
| *****************************************************************************/ |
| |
| ACPI_STATUS |
| AcpiOsCreateSemaphore ( |
| UINT32 MaxUnits, |
| UINT32 InitialUnits, |
| ACPI_HANDLE *OutHandle) |
| { |
| *OutHandle = (ACPI_HANDLE) 1; |
| return (AE_OK); |
| } |
| |
| ACPI_STATUS |
| AcpiOsDeleteSemaphore ( |
| ACPI_HANDLE Handle) |
| { |
| return (AE_OK); |
| } |
| |
| ACPI_STATUS |
| AcpiOsWaitSemaphore ( |
| ACPI_HANDLE Handle, |
| UINT32 Units, |
| UINT16 Timeout) |
| { |
| return (AE_OK); |
| } |
| |
| ACPI_STATUS |
| AcpiOsSignalSemaphore ( |
| ACPI_HANDLE Handle, |
| UINT32 Units) |
| { |
| return (AE_OK); |
| } |
| |
| #else |
| /****************************************************************************** |
| * |
| * 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) |
| { |
| void *Mutex; |
| UINT32 i; |
| |
| ACPI_FUNCTION_NAME (OsCreateSemaphore); |
| |
| |
| if (MaxUnits == ACPI_UINT32_MAX) |
| { |
| MaxUnits = 255; |
| } |
| |
| if (InitialUnits == ACPI_UINT32_MAX) |
| { |
| InitialUnits = MaxUnits; |
| } |
| |
| if (InitialUnits > MaxUnits) |
| { |
| return (AE_BAD_PARAMETER); |
| } |
| |
| /* 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; |
| 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); |
| } |
| |
| CloseHandle (AcpiGbl_Semaphores[Index].OsHandle); |
| AcpiGbl_Semaphores[Index].OsHandle = NULL; |
| 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) |
| { |
| 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--; |
| 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) |
| { |
| 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); |
| |
| return (AE_OK); |
| } |
| |
| #endif /* ACPI_SINGLE_THREADED */ |
| |
| |
| /****************************************************************************** |
| * |
| * 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_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. |
| * ServiceRoutine - Address of the ACPI interrupt handler |
| * Context - User context |
| * |
| * 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 stall |
| * |
| * RETURN: None. Blocks until stall is completed. |
| * |
| * DESCRIPTION: Sleep at microsecond granularity |
| * |
| *****************************************************************************/ |
| |
| void |
| AcpiOsStall ( |
| UINT32 Microseconds) |
| { |
| |
| Sleep ((Microseconds / ACPI_USEC_PER_MSEC) + 1); |
| return; |
| } |
| |
| |
| /****************************************************************************** |
| * |
| * FUNCTION: AcpiOsSleep |
| * |
| * PARAMETERS: Milliseconds - Time to sleep |
| * |
| * RETURN: None. 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: 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) |
| { |
| |
| *Value = 0; |
| 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) |
| { |
| ACPI_FUNCTION_NAME (OsReadPort); |
| |
| |
| switch (Width) |
| { |
| case 8: |
| |
| *Value = 0xFF; |
| break; |
| |
| case 16: |
| |
| *Value = 0xFFFF; |
| break; |
| |
| case 32: |
| |
| *Value = 0xFFFFFFFF; |
| break; |
| |
| default: |
| |
| ACPI_ERROR ((AE_INFO, "Bad width parameter: %X", Width)); |
| 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) |
| { |
| ACPI_FUNCTION_NAME (OsWritePort); |
| |
| |
| if ((Width == 8) || (Width == 16) || (Width == 32)) |
| { |
| return (AE_OK); |
| } |
| |
| ACPI_ERROR ((AE_INFO, "Bad width parameter: %X", Width)); |
| return (AE_BAD_PARAMETER); |
| } |
| |
| |
| /****************************************************************************** |
| * |
| * FUNCTION: AcpiOsReadMemory |
| * |
| * PARAMETERS: Address - Physical Memory Address to read |
| * Value - Where value is placed |
| * Width - Number of bits (8,16,32, or 64) |
| * |
| * RETURN: Value read from physical memory address. Always returned |
| * as a 64-bit integer, regardless of the read width. |
| * |
| * DESCRIPTION: Read data from a physical memory address |
| * |
| *****************************************************************************/ |
| |
| ACPI_STATUS |
| AcpiOsReadMemory ( |
| ACPI_PHYSICAL_ADDRESS Address, |
| UINT64 *Value, |
| UINT32 Width) |
| { |
| |
| switch (Width) |
| { |
| case 8: |
| case 16: |
| case 32: |
| case 64: |
| |
| *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 (8,16,32, or 64) |
| * |
| * RETURN: None |
| * |
| * DESCRIPTION: Write data to a physical memory address |
| * |
| *****************************************************************************/ |
| |
| ACPI_STATUS |
| AcpiOsWriteMemory ( |
| ACPI_PHYSICAL_ADDRESS Address, |
| UINT64 Value, |
| UINT32 Width) |
| { |
| |
| return (AE_OK); |
| } |
| |
| |
| /****************************************************************************** |
| * |
| * FUNCTION: AcpiOsSignal |
| * |
| * PARAMETERS: Function - ACPICA 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->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 /* ACPI_USE_LOCAL_CACHE */ |
| |
| |
| /* Optional multi-thread support */ |
| |
| #ifndef ACPI_SINGLE_THREADED |
| /****************************************************************************** |
| * |
| * 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 ((ACPI_THREAD_ID) (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) |
| { |
| |
| _beginthread (Function, (unsigned) 0, Context); |
| return (0); |
| } |
| |
| #else /* ACPI_SINGLE_THREADED */ |
| ACPI_THREAD_ID |
| AcpiOsGetThreadId ( |
| void) |
| { |
| return (1); |
| } |
| |
| ACPI_STATUS |
| AcpiOsExecute ( |
| ACPI_EXECUTE_TYPE Type, |
| ACPI_OSD_EXEC_CALLBACK Function, |
| void *Context) |
| { |
| |
| Function (Context); |
| return (AE_OK); |
| } |
| |
| #endif /* ACPI_SINGLE_THREADED */ |
| |
| |
| /****************************************************************************** |
| * |
| * FUNCTION: AcpiOsWaitEventsComplete |
| * |
| * PARAMETERS: None |
| * |
| * RETURN: None |
| * |
| * DESCRIPTION: Wait for all asynchronous events to complete. This |
| * implementation does nothing. |
| * |
| *****************************************************************************/ |
| |
| void |
| AcpiOsWaitEventsComplete ( |
| void) |
| { |
| |
| return; |
| } |
