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author | Jung-uk Kim <jkim@FreeBSD.org> | 2009-06-01 21:02:40 +0000 |
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committer | Jung-uk Kim <jkim@FreeBSD.org> | 2009-06-01 21:02:40 +0000 |
commit | e83ee77d7b009e11006d75946be388f7b99f9990 (patch) | |
tree | 73c1236e3073233e35dc547eb58ea55eafda9edc /os_specific/service_layers/osunixxf.c | |
parent | 7029c194b68de13ac02301d603a5e3c180d220e6 (diff) | |
download | src-e83ee77d7b009e11006d75946be388f7b99f9990.tar.gz src-e83ee77d7b009e11006d75946be388f7b99f9990.zip |
Import ACPICA 20090521 (with three patches from ACPICA GIT).vendor/acpica/20090521
Notes
Notes:
svn path=/vendor-sys/acpica/dist/; revision=193267
svn path=/vendor-sys/acpica/20090521/; revision=193271; tag=vendor/acpica/20090521
Diffstat (limited to 'os_specific/service_layers/osunixxf.c')
-rw-r--r-- | os_specific/service_layers/osunixxf.c | 1229 |
1 files changed, 1229 insertions, 0 deletions
diff --git a/os_specific/service_layers/osunixxf.c b/os_specific/service_layers/osunixxf.c new file mode 100644 index 000000000000..b430e83f1600 --- /dev/null +++ b/os_specific/service_layers/osunixxf.c @@ -0,0 +1,1229 @@ +/****************************************************************************** + * + * Module Name: osunixxf - UNIX OSL interfaces + * + *****************************************************************************/ + +/****************************************************************************** + * + * 1. Copyright Notice + * + * Some or all of this work - Copyright (c) 1999 - 2009, Intel Corp. + * All rights reserved. + * + * 2. License + * + * 2.1. This is your license from Intel Corp. under its intellectual property + * rights. You may have additional license terms from the party that provided + * you this software, covering your right to use that party's intellectual + * property rights. + * + * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a + * copy of the source code appearing in this file ("Covered Code") an + * irrevocable, perpetual, worldwide license under Intel's copyrights in the + * base code distributed originally by Intel ("Original Intel Code") to copy, + * make derivatives, distribute, use and display any portion of the Covered + * Code in any form, with the right to sublicense such rights; and + * + * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent + * license (with the right to sublicense), under only those claims of Intel + * patents that are infringed by the Original Intel Code, to make, use, sell, + * offer to sell, and import the Covered Code and derivative works thereof + * solely to the minimum extent necessary to exercise the above copyright + * license, and in no event shall the patent license extend to any additions + * to or modifications of the Original Intel Code. No other license or right + * is granted directly or by implication, estoppel or otherwise; + * + * The above copyright and patent license is granted only if the following + * conditions are met: + * + * 3. Conditions + * + * 3.1. Redistribution of Source with Rights to Further Distribute Source. + * Redistribution of source code of any substantial portion of the Covered + * Code or modification with rights to further distribute source must include + * the above Copyright Notice, the above License, this list of Conditions, + * and the following Disclaimer and Export Compliance provision. In addition, + * Licensee must cause all Covered Code to which Licensee contributes to + * contain a file documenting the changes Licensee made to create that Covered + * Code and the date of any change. Licensee must include in that file the + * documentation of any changes made by any predecessor Licensee. Licensee + * must include a prominent statement that the modification is derived, + * directly or indirectly, from Original Intel Code. + * + * 3.2. Redistribution of Source with no Rights to Further Distribute Source. + * Redistribution of source code of any substantial portion of the Covered + * Code or modification without rights to further distribute source must + * include the following Disclaimer and Export Compliance provision in the + * documentation and/or other materials provided with distribution. In + * addition, Licensee may not authorize further sublicense of source of any + * portion of the Covered Code, and must include terms to the effect that the + * license from Licensee to its licensee is limited to the intellectual + * property embodied in the software Licensee provides to its licensee, and + * not to intellectual property embodied in modifications its licensee may + * make. + * + * 3.3. Redistribution of Executable. Redistribution in executable form of any + * substantial portion of the Covered Code or modification must reproduce the + * above Copyright Notice, and the following Disclaimer and Export Compliance + * provision in the documentation and/or other materials provided with the + * distribution. + * + * 3.4. Intel retains all right, title, and interest in and to the Original + * Intel Code. + * + * 3.5. Neither the name Intel nor any other trademark owned or controlled by + * Intel shall be used in advertising or otherwise to promote the sale, use or + * other dealings in products derived from or relating to the Covered Code + * without prior written authorization from Intel. + * + * 4. Disclaimer and Export Compliance + * + * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED + * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE + * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE, + * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY + * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY + * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A + * PARTICULAR PURPOSE. + * + * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES + * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR + * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT, + * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY + * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL + * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS + * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY + * LIMITED REMEDY. + * + * 4.3. Licensee shall not export, either directly or indirectly, any of this + * software or system incorporating such software without first obtaining any + * required license or other approval from the U. S. Department of Commerce or + * any other agency or department of the United States Government. In the + * event Licensee exports any such software from the United States or + * re-exports any such software from a foreign destination, Licensee shall + * ensure that the distribution and export/re-export of the software is in + * compliance with all laws, regulations, orders, or other restrictions of the + * U.S. Export Administration Regulations. Licensee agrees that neither it nor + * any of its subsidiaries will export/re-export any technical data, process, + * software, or service, directly or indirectly, to any country for which the + * United States government or any agency thereof requires an export license, + * other governmental approval, or letter of assurance, without first obtaining + * such license, approval or letter. + * + *****************************************************************************/ + + +/* + * These interfaces are required in order to compile the ASL compiler under + * Linux or other Unix-like system. + */ + +#include <stdio.h> +#include <stdlib.h> +#include <stdarg.h> +#include <unistd.h> +#include <sys/time.h> +#include <semaphore.h> +#include <pthread.h> + +#include "acpi.h" +#include "accommon.h" +#include "amlcode.h" +#include "acparser.h" +#include "acdebug.h" + +#define _COMPONENT ACPI_OS_SERVICES + ACPI_MODULE_NAME ("osunixxf") + + +extern FILE *AcpiGbl_DebugFile; +FILE *AcpiGbl_OutputFile; + + +/* Upcalls to AcpiExec */ + +ACPI_PHYSICAL_ADDRESS +AeLocalGetRootPointer ( + void); + +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) +{ + + AcpiGbl_OutputFile = stdout; + 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) +{ + + 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 + + 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; + + + 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); + } +} + + +/****************************************************************************** + * + * 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) +{ + UINT8 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: InitialUnits - Units to be assigned to the new semaphore + * OutHandle - Where a handle will be returned + * + * RETURN: Status + * + * DESCRIPTION: Create an OS semaphore + * + *****************************************************************************/ + +ACPI_STATUS +AcpiOsCreateSemaphore ( + UINT32 MaxUnits, + UINT32 InitialUnits, + ACPI_HANDLE *OutHandle) +{ + sem_t *Sem; + + + if (!OutHandle) + { + return (AE_BAD_PARAMETER); + } + + Sem = AcpiOsAllocate (sizeof (sem_t)); + + if (!Sem) + { + return (AE_NO_MEMORY); + } + + if (sem_init (Sem, 0, InitialUnits) == -1) + { + AcpiOsFree (Sem); + return (AE_BAD_PARAMETER); + } + + *OutHandle = (ACPI_HANDLE) Sem; + return (AE_OK); +} + + +/****************************************************************************** + * + * FUNCTION: AcpiOsDeleteSemaphore + * + * PARAMETERS: Handle - Handle returned by AcpiOsCreateSemaphore + * + * RETURN: Status + * + * DESCRIPTION: Delete an OS semaphore + * + *****************************************************************************/ + +ACPI_STATUS +AcpiOsDeleteSemaphore ( + ACPI_HANDLE Handle) +{ + sem_t *Sem = (sem_t *) Handle; + + + if (!Sem) + { + return (AE_BAD_PARAMETER); + } + + if (sem_destroy (Sem) == -1) + { + return (AE_BAD_PARAMETER); + } + + return (AE_OK); +} + + +/****************************************************************************** + * + * FUNCTION: AcpiOsWaitSemaphore + * + * PARAMETERS: Handle - Handle returned by AcpiOsCreateSemaphore + * Units - How many units to wait for + * Timeout - How long to wait + * + * RETURN: Status + * + * DESCRIPTION: Wait for units + * + *****************************************************************************/ + +ACPI_STATUS +AcpiOsWaitSemaphore ( + ACPI_HANDLE Handle, + UINT32 Units, + UINT16 Timeout) +{ + ACPI_STATUS Status = AE_OK; + sem_t *Sem = (sem_t *) Handle; + struct timespec T; + + + if (!Sem) + { + return (AE_BAD_PARAMETER); + } + + switch (Timeout) + { + /* + * No Wait: + * -------- + * A zero timeout value indicates that we shouldn't wait - just + * acquire the semaphore if available otherwise return AE_TIME + * (a.k.a. 'would block'). + */ + case 0: + + if (sem_trywait(Sem) == -1) + { + Status = (AE_TIME); + } + break; + + /* Wait Indefinitely */ + + case ACPI_WAIT_FOREVER: + + if (sem_wait (Sem)) + { + Status = (AE_TIME); + } + break; + + /* Wait with Timeout */ + + default: + + T.tv_sec = Timeout / 1000; + T.tv_nsec = (Timeout - (T.tv_sec * 1000)) * 1000000; + +#ifdef ACPI_USE_ALTERNATE_TIMEOUT + /* + * Alternate timeout mechanism for environments where + * sem_timedwait is not available or does not work properly. + */ + while (Timeout) + { + if (sem_trywait (Sem) == 0) + { + /* Got the semaphore */ + return (AE_OK); + } + usleep (1000); /* one millisecond */ + Timeout--; + } + Status = (AE_TIME); +#else + + if (sem_timedwait (Sem, &T)) + { + Status = (AE_TIME); + } +#endif + + break; + } + + return (Status); +} + + +/****************************************************************************** + * + * FUNCTION: AcpiOsSignalSemaphore + * + * PARAMETERS: Handle - Handle returned by AcpiOsCreateSemaphore + * Units - Number of units to send + * + * RETURN: Status + * + * DESCRIPTION: Send units + * + *****************************************************************************/ + +ACPI_STATUS +AcpiOsSignalSemaphore ( + ACPI_HANDLE Handle, + UINT32 Units) +{ + sem_t *Sem = (sem_t *)Handle; + + + if (!Sem) + { + return (AE_BAD_PARAMETER); + } + + if (sem_post (Sem) == -1) + { + return (AE_LIMIT); + } + + return (AE_OK); +} + + +/****************************************************************************** + * + * FUNCTION: Spinlock interfaces + * + * DESCRIPTION: Map these interfaces to semaphore interfaces + * + *****************************************************************************/ + +ACPI_STATUS +AcpiOsCreateLock ( + ACPI_SPINLOCK *OutHandle) +{ + + return (AcpiOsCreateSemaphore (1, 1, OutHandle)); +} + + +void +AcpiOsDeleteLock ( + ACPI_SPINLOCK Handle) +{ + AcpiOsDeleteSemaphore (Handle); +} + + +ACPI_CPU_FLAGS +AcpiOsAcquireLock ( + ACPI_HANDLE Handle) +{ + AcpiOsWaitSemaphore (Handle, 1, 0xFFFF); + return (0); +} + + +void +AcpiOsReleaseLock ( + ACPI_SPINLOCK Handle, + ACPI_CPU_FLAGS Flags) +{ + AcpiOsSignalSemaphore (Handle, 1); +} + + +/****************************************************************************** + * + * FUNCTION: AcpiOsInstallInterruptHandler + * + * PARAMETERS: InterruptNumber Level handler should respond to. + * Isr Address of the ACPI interrupt handler + * ExceptPtr Where status is returned + * + * RETURN: Handle to the newly installed handler. + * + * DESCRIPTION: Install an interrupt handler. Used to install the ACPI + * OS-independent handler. + * + *****************************************************************************/ + +UINT32 +AcpiOsInstallInterruptHandler ( + UINT32 InterruptNumber, + ACPI_OSD_HANDLER ServiceRoutine, + void *Context) +{ + + return (AE_OK); +} + + +/****************************************************************************** + * + * FUNCTION: AcpiOsRemoveInterruptHandler + * + * PARAMETERS: Handle Returned when handler was installed + * + * RETURN: Status + * + * DESCRIPTION: Uninstalls an interrupt handler. + * + *****************************************************************************/ + +ACPI_STATUS +AcpiOsRemoveInterruptHandler ( + UINT32 InterruptNumber, + ACPI_OSD_HANDLER ServiceRoutine) +{ + + return (AE_OK); +} + + +/****************************************************************************** + * + * FUNCTION: 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 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 To sleep + * + * RETURN: Blocks until sleep is completed. + * + * DESCRIPTION: Sleep at millisecond granularity + * + *****************************************************************************/ + +void +AcpiOsSleep ( + ACPI_INTEGER milliseconds) +{ + + sleep (milliseconds / 1000); /* Sleep for whole seconds */ + + /* + * Arg to usleep() must be less than 1,000,000 (1 second) + */ + usleep ((milliseconds % 1000) * 1000); /* Sleep for remaining usecs */ +} + +/****************************************************************************** + * + * FUNCTION: AcpiOsGetTimer + * + * PARAMETERS: None + * + * RETURN: Current time in 100 nanosecond units + * + * DESCRIPTION: Get the current system time + * + *****************************************************************************/ + +UINT64 +AcpiOsGetTimer (void) +{ + struct timeval time; + + + gettimeofday (&time, NULL); + + /* Seconds * 10^7 = 100ns(10^-7), Microseconds(10^-6) * 10^1 = 100ns */ + + return (((UINT64) time.tv_sec * 10000000) + ((UINT64) time.tv_usec * 10)); +} + + +/****************************************************************************** + * + * FUNCTION: 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, + ACPI_INTEGER Value, + UINT32 Width) +{ + + return (AE_OK); +} + +/* TEMPORARY STUB FUNCTION */ +void +AcpiOsDerivePciId( + ACPI_HANDLE rhandle, + ACPI_HANDLE chandle, + 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 = 0xFF; + break; + + case 16: + *Value = 0xFFFF; + break; + + case 32: + *Value = 0xFFFFFFFF; + break; + + default: + return (AE_BAD_PARAMETER); + } + + return (AE_OK); +} + + +/****************************************************************************** + * + * FUNCTION: AcpiOsWritePort + * + * PARAMETERS: Address Address of I/O port/register to write + * Value Value to write + * Width Number of bits + * + * RETURN: None + * + * DESCRIPTION: Write data to an I/O port or register + * + *****************************************************************************/ + +ACPI_STATUS +AcpiOsWritePort ( + ACPI_IO_ADDRESS Address, + UINT32 Value, + UINT32 Width) +{ + + return (AE_OK); +} + + +/****************************************************************************** + * + * FUNCTION: AcpiOsReadMemory + * + * PARAMETERS: Address Physical Memory Address to read + * Value Where value is placed + * Width Number of bits + * + * RETURN: Value read from physical memory address + * + * DESCRIPTION: Read data from a physical memory address + * + *****************************************************************************/ + +ACPI_STATUS +AcpiOsReadMemory ( + ACPI_PHYSICAL_ADDRESS Address, + UINT32 *Value, + UINT32 Width) +{ + + switch (Width) + { + case 8: + case 16: + case 32: + *Value = 0; + break; + + default: + return (AE_BAD_PARAMETER); + } + return (AE_OK); +} + + +/****************************************************************************** + * + * FUNCTION: AcpiOsWriteMemory + * + * PARAMETERS: Address Physical Memory Address to write + * Value Value to write + * Width Number of bits + * + * RETURN: None + * + * DESCRIPTION: Write data to a physical memory address + * + *****************************************************************************/ + +ACPI_STATUS +AcpiOsWriteMemory ( + ACPI_PHYSICAL_ADDRESS Address, + UINT32 Value, + UINT32 Width) +{ + + return (AE_OK); +} + + +/****************************************************************************** + * + * FUNCTION: AcpiOsReadable + * + * PARAMETERS: Pointer - Area to be verified + * Length - Size of area + * + * RETURN: TRUE if readable for entire length + * + * DESCRIPTION: Verify that a pointer is valid for reading + * + *****************************************************************************/ + +BOOLEAN +AcpiOsReadable ( + void *Pointer, + ACPI_SIZE Length) +{ + + return (TRUE); +} + + +/****************************************************************************** + * + * FUNCTION: AcpiOsWritable + * + * PARAMETERS: Pointer - Area to be verified + * Length - Size of area + * + * RETURN: TRUE if writable for entire length + * + * DESCRIPTION: Verify that a pointer is valid for writing + * + *****************************************************************************/ + +BOOLEAN +AcpiOsWritable ( + void *Pointer, + ACPI_SIZE Length) +{ + + return (TRUE); +} + + +/****************************************************************************** + * + * FUNCTION: 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 (pthread_self ()); +} + + +/****************************************************************************** + * + * 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); +} + + |