/****************************************************************************** * * Module Name: osunixxf - UNIX OSL interfaces * *****************************************************************************/ /****************************************************************************** * * 1. Copyright Notice * * Some or all of this work - Copyright (c) 1999 - 2011, 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. * *****************************************************************************/ #include "acpi.h" #include "accommon.h" #include "amlcode.h" #include "acparser.h" #include "acdebug.h" /* * These interfaces are required in order to compile the ASL compiler under * Linux or other Unix-like system. */ /* #include #include #include #include #include #include #include */ #define _COMPONENT ACPI_OS_SERVICES ACPI_MODULE_NAME ("oskolibri") extern void *AcpiGbl_DebugFile; void *AcpiGbl_OutputFile; static UINT32 sACPIRoot = 0; void AeTableOverride ( ACPI_TABLE_HEADER *ExistingTable, ACPI_TABLE_HEADER **NewTable); typedef void* (*PTHREAD_CALLBACK) (void *); /****************************************************************************** * * FUNCTION: AcpiOsInitialize, AcpiOsTerminate * * PARAMETERS: None * * RETURN: Status * * DESCRIPTION: Init and terminate. Nothing to do. * *****************************************************************************/ ACPI_STATUS AcpiOsInitialize (void) { if(!dbg_open("/rd/1/drivers/acpi.log")) { dbgprintf("Can't open /rd/1/drivers/acpi.log\nExit\n"); return AE_ERROR; } return (AE_OK); } ACPI_STATUS AcpiOsTerminate (void) { return (AE_OK); } /****************************************************************************** * * FUNCTION: AcpiOsGetRootPointer * * PARAMETERS: None * * RETURN: RSDP physical address * * DESCRIPTION: Gets the root pointer (RSDP) * *****************************************************************************/ ACPI_PHYSICAL_ADDRESS AcpiOsGetRootPointer ( void) { ACPI_SIZE address; ACPI_STATUS status; if (sACPIRoot == 0) { status = AcpiFindRootPointer(&address); if (status == AE_OK) sACPIRoot = address; } dbgprintf("AcpiOsGetRootPointer returning %p\n", (void *)sACPIRoot); return sACPIRoot; } /****************************************************************************** * * 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 AeTableOverride (ExistingTable, NewTable); return (AE_OK); #else return (AE_NO_ACPI_TABLES); #endif } /****************************************************************************** * * 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); } /****************************************************************************** * * 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; // static char outputBuffer[1024]; // vsnprintf(outputBuffer, 1024, Fmt, Args); } /****************************************************************************** * * 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) { void* retval=NULL; if( (UINT64)where+length <= 0x100000000ULL) retval = (void*)MapIoMem(where, 4096+(UINT32)length, 0x07); // dbgprintf("%s %x-> %x %x\n",__FUNCTION__, // where, retval, length); return retval; } /****************************************************************************** * * 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) { FreeKernelSpace( 0xFFFFF000 & (UINT32)where); return; } /****************************************************************************** * * FUNCTION: AcpiOsAllocate * * PARAMETERS: Size - Amount to allocate, in bytes * * RETURN: Pointer to the new allocation. Null on error. * * DESCRIPTION: Allocate memory. Algorithm is dependent on the OS. * *****************************************************************************/ void * AcpiOsAllocate ( ACPI_SIZE size) { void *Mem; Mem = (void *) malloc ((size_t) size); return (Mem); } /****************************************************************************** * * FUNCTION: AcpiOsFree * * PARAMETERS: mem - Pointer to previously allocated memory * * RETURN: None. * * DESCRIPTION: Free memory allocated via AcpiOsAllocate * *****************************************************************************/ void AcpiOsFree ( void *mem) { free (mem); } /****************************************************************************** * * FUNCTION: AcpiOsCreateSemaphore * * PARAMETERS: InitialUnits - Units to be assigned to the new semaphore * OutHandle - Where a handle will be returned * * RETURN: Status * * DESCRIPTION: Create an OS semaphore * *****************************************************************************/ ACPI_STATUS AcpiOsCreateSemaphore ( UINT32 MaxUnits, UINT32 InitialUnits, ACPI_HANDLE *OutHandle) { if (!OutHandle) { return (AE_BAD_PARAMETER); } *OutHandle = (ACPI_HANDLE) 1; return (AE_OK); } /****************************************************************************** * * FUNCTION: AcpiOsDeleteSemaphore * * PARAMETERS: Handle - Handle returned by AcpiOsCreateSemaphore * * RETURN: Status * * DESCRIPTION: Delete an OS semaphore * *****************************************************************************/ ACPI_STATUS AcpiOsDeleteSemaphore ( ACPI_HANDLE Handle) { if (!Handle) { return (AE_BAD_PARAMETER); } return (AE_OK); } /****************************************************************************** * * FUNCTION: AcpiOsWaitSemaphore * * PARAMETERS: Handle - Handle returned by AcpiOsCreateSemaphore * Units - How many units to wait for * Timeout - How long to wait * * RETURN: Status * * DESCRIPTION: Wait for units * *****************************************************************************/ ACPI_STATUS AcpiOsWaitSemaphore ( ACPI_HANDLE Handle, UINT32 Units, UINT16 Timeout) { ACPI_STATUS Status = AE_OK; #if 0 if (!Sem) { return (AE_BAD_PARAMETER); } switch (Timeout) { /* * No Wait: * -------- * A zero timeout value indicates that we shouldn't wait - just * acquire the semaphore if available otherwise return AE_TIME * (a.k.a. 'would block'). */ case 0: if (sem_trywait(Sem) == -1) { Status = (AE_TIME); } break; /* Wait Indefinitely */ case ACPI_WAIT_FOREVER: if (sem_wait (Sem)) { Status = (AE_TIME); } break; /* Wait with Timeout */ default: T.tv_sec = Timeout / 1000; T.tv_nsec = (Timeout - (T.tv_sec * 1000)) * 1000000; #ifdef ACPI_USE_ALTERNATE_TIMEOUT /* * Alternate timeout mechanism for environments where * sem_timedwait is not available or does not work properly. */ while (Timeout) { if (sem_trywait (Sem) == 0) { /* Got the semaphore */ return (AE_OK); } usleep (1000); /* one millisecond */ Timeout--; } Status = (AE_TIME); #else if (sem_timedwait (Sem, &T)) { Status = (AE_TIME); } #endif break; } #endif return (Status); } /****************************************************************************** * * FUNCTION: AcpiOsSignalSemaphore * * PARAMETERS: Handle - Handle returned by AcpiOsCreateSemaphore * Units - Number of units to send * * RETURN: Status * * DESCRIPTION: Send units * *****************************************************************************/ ACPI_STATUS AcpiOsSignalSemaphore ( ACPI_HANDLE Handle, UINT32 Units) { return (AE_OK); } /****************************************************************************** * * FUNCTION: Spinlock interfaces * * DESCRIPTION: Map these interfaces to semaphore interfaces * *****************************************************************************/ ACPI_STATUS AcpiOsCreateLock ( ACPI_SPINLOCK *OutHandle) { if (!OutHandle) { return (AE_BAD_PARAMETER); } *OutHandle = (ACPI_HANDLE)malloc(sizeof(UINT32)); if (*OutHandle == NULL) return AE_NO_MEMORY; *((UINT32*)(*OutHandle)) = 0; return AE_OK; } void AcpiOsDeleteLock ( ACPI_SPINLOCK Handle) { free (Handle); } ACPI_CPU_FLAGS AcpiOsAcquireLock ( ACPI_HANDLE Handle) { AcpiOsWaitSemaphore (Handle, 1, 0xFFFF); return (0); } void AcpiOsReleaseLock ( ACPI_SPINLOCK Handle, ACPI_CPU_FLAGS Flags) { AcpiOsSignalSemaphore (Handle, 1); } /****************************************************************************** * * FUNCTION: AcpiOsInstallInterruptHandler * * PARAMETERS: InterruptNumber Level handler should respond to. * Isr Address of the ACPI interrupt handler * ExceptPtr Where status is returned * * RETURN: Handle to the newly installed handler. * * DESCRIPTION: Install an interrupt handler. Used to install the ACPI * OS-independent handler. * *****************************************************************************/ UINT32 AcpiOsInstallInterruptHandler ( UINT32 InterruptNumber, ACPI_OSD_HANDLER ServiceRoutine, void *Context) { dbgprintf("%s irq %d\n", InterruptNumber ); 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: 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) { // pthread_t thread; // int ret; // ret = pthread_create (&thread, NULL, (PTHREAD_CALLBACK) Function, Context); // if (ret) // { // AcpiOsPrintf("Create thread failed"); // } return (0); } /****************************************************************************** * * FUNCTION: AcpiOsStall * * PARAMETERS: microseconds - Time to sleep * * RETURN: Blocks until sleep is completed. * * DESCRIPTION: Sleep at microsecond granularity * *****************************************************************************/ void AcpiOsStall ( UINT32 microseconds) { if (microseconds) { usleep (microseconds); } } /****************************************************************************** * * FUNCTION: AcpiOsSleep * * PARAMETERS: milliseconds - Time to sleep * * RETURN: Blocks until sleep is completed. * * DESCRIPTION: Sleep at millisecond granularity * *****************************************************************************/ void AcpiOsSleep ( UINT64 milliseconds) { delay(milliseconds / 8); } /****************************************************************************** * * FUNCTION: AcpiOsGetTimer * * PARAMETERS: None * * RETURN: Current time in 100 nanosecond units * * DESCRIPTION: Get the current system time * *****************************************************************************/ UINT64 AcpiOsGetTimer (void) { // struct timeval time; // gettimeofday (&time, NULL); /* Seconds * 10^7 = 100ns(10^-7), Microseconds(10^-6) * 10^1 = 100ns */ // return (((UINT64) time.tv_sec * 10000000) + ((UINT64) time.tv_usec * 10)); return 0; } /****************************************************************************** * * 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) { UINT32 devfn = ((PciId->Device & 0x1f)<<3)|(PciId->Function & 0x07); switch (Width) { case 8: *(UINT8 *)Value = PciRead8(PciId->Bus,devfn,Register); break; case 16: *(UINT16 *)Value = PciRead16(PciId->Bus,devfn,Register); break; case 32: *(UINT32 *)Value = PciRead32(PciId->Bus,devfn,Register); break; default: dbgprintf("AcpiOsReadPciConfiguration unhandled value width: %u\n", Width); return AE_ERROR; } 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) { UINT32 devfn = ((PciId->Device & 0x1f)<<3)|(PciId->Function & 0x07); switch (Width) { case 8: PciWrite8(PciId->Bus,devfn,Register,Value); break; case 16: PciWrite16(PciId->Bus,devfn,Register,Value); break; case 32: PciWrite32(PciId->Bus,devfn,Register,Value); break; default: dbgprintf("AcpiOsReadPciConfiguration unhandled value width: %u\n", Width); return AE_ERROR; } return (AE_OK); } /* TEMPORARY STUB FUNCTION */ void AcpiOsDerivePciId( ACPI_HANDLE Device, ACPI_HANDLE Region, ACPI_PCI_ID **PciId) { } /****************************************************************************** * * 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 = in8(Address); break; case 16: *Value = in16(Address); break; case 32: *Value = in32(Address); break; default: return (AE_BAD_PARAMETER); } // dbgprintf("%s %x, %x\n",__FUNCTION__, Address, *Value); 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) { switch (Width) { case 8: out8(Address, Value); break; case 16: out16(Address,Value); break; case 32: out32(Address,Value); break; default: return (AE_ERROR); } // dbgprintf("%s %x, %x\n",__FUNCTION__, Address, Value); return (AE_OK); }; /****************************************************************************** * * FUNCTION: AcpiOsReadMemory * * PARAMETERS: Address - Physical Memory Address to read * Value - Where value is placed * Width - Number of bits * * RETURN: Value read from physical memory address * * DESCRIPTION: Read data from a physical memory address * *****************************************************************************/ ACPI_STATUS AcpiOsReadMemory ( ACPI_PHYSICAL_ADDRESS Address, UINT32 *Value, UINT32 Width) { void *memptr; ACPI_STATUS status = AE_ERROR; // dbgprintf("%s %x\n",__FUNCTION__, Address); if( (UINT64)Address+Width > 0x100000000ULL) return (AE_BAD_PARAMETER); if( Address >= 0x400000) { memptr = AcpiOsMapMemory(Address, Width); if(memptr) { status = AE_OK; switch (Width) { case 8: *Value = *(UINT8*)Address; break; case 16: *Value = *(UINT16*)Address; break; case 32: *Value = *(UINT32*)Address; break; default: status = (AE_BAD_PARAMETER); } FreeKernelSpace(memptr); } return status; } else Address+= 0x80000000; switch (Width) { case 8: *Value = *(UINT8*)Address; break; case 16: *Value = *(UINT16*)Address; break; case 32: *Value = *(UINT32*)Address; break; default: return (AE_BAD_PARAMETER); } return (AE_OK); } /****************************************************************************** * * FUNCTION: AcpiOsWriteMemory * * PARAMETERS: Address - Physical Memory Address to write * Value - Value to write * Width - Number of bits * * RETURN: None * * DESCRIPTION: Write data to a physical memory address * *****************************************************************************/ ACPI_STATUS AcpiOsWriteMemory ( ACPI_PHYSICAL_ADDRESS Address, UINT32 Value, UINT32 Width) { void *memptr; ACPI_STATUS status = AE_ERROR; // dbgprintf("%s %x, %x\n",__FUNCTION__, Address, Value); if( (UINT64)Address+Width > 0x100000000ULL) return (AE_BAD_PARAMETER); if( Address >= 0x400000) { memptr = AcpiOsMapMemory(Address, Width); if(memptr) { status = AE_OK; switch (Width) { case 8: *(UINT8*)Address = (UINT8)Value; break; case 16: *(UINT16*)Address = (UINT16)Value; break; case 32: *(UINT32*)Address = Value; break; default: status = (AE_BAD_PARAMETER); } FreeKernelSpace(memptr); } return status; } else Address+= 0x80000000; switch (Width) { case 8: *(UINT8*)Address = (UINT8)Value; break; case 16: *(UINT16*)Address = (UINT16)Value; break; case 32: *(UINT32*)Address = Value; break; default: return (AE_BAD_PARAMETER); } return (AE_OK); } /****************************************************************************** * * FUNCTION: AcpiOsReadable * * PARAMETERS: Pointer - Area to be verified * Length - Size of area * * RETURN: TRUE if readable for entire length * * DESCRIPTION: Verify that a pointer is valid for reading * *****************************************************************************/ BOOLEAN AcpiOsReadable ( void *Pointer, ACPI_SIZE Length) { return (TRUE); } /****************************************************************************** * * FUNCTION: AcpiOsWritable * * PARAMETERS: Pointer - Area to be verified * Length - Size of area * * RETURN: TRUE if writable for entire length * * DESCRIPTION: Verify that a pointer is valid for writing * *****************************************************************************/ BOOLEAN AcpiOsWritable ( void *Pointer, ACPI_SIZE Length) { return (TRUE); } /****************************************************************************** * * FUNCTION: AcpiOsGetThreadId * * PARAMETERS: None * * RETURN: Id of the running thread * * DESCRIPTION: Get the Id of the current (running) thread * * NOTE: The environment header should contain this line: * #define ACPI_THREAD_ID pthread_t * *****************************************************************************/ ACPI_THREAD_ID AcpiOsGetThreadId (void) { return ( 1 ); } /****************************************************************************** * * 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); }