Example #1
0
void
AcpiDbAddToHistory (
    char                    *CommandLine)
{
    UINT16                  CmdLen;
    UINT16                  BufferLen;

    /* Put command into the next available slot */

    CmdLen = (UINT16) ACPI_STRLEN (CommandLine);
    if (AcpiGbl_HistoryBuffer[AcpiGbl_NextHistoryIndex].Command != NULL)
    {
        BufferLen = (UINT16) ACPI_STRLEN (
            AcpiGbl_HistoryBuffer[AcpiGbl_NextHistoryIndex].Command);
        if (CmdLen > BufferLen)
        {
            AcpiOsFree (AcpiGbl_HistoryBuffer[AcpiGbl_NextHistoryIndex].
                Command);
            AcpiGbl_HistoryBuffer[AcpiGbl_NextHistoryIndex].Command =
                AcpiOsAllocate (CmdLen + 1);
        }
    }
    else
    {
        AcpiGbl_HistoryBuffer[AcpiGbl_NextHistoryIndex].Command =
            AcpiOsAllocate (CmdLen + 1);
    }

    ACPI_STRCPY (AcpiGbl_HistoryBuffer[AcpiGbl_NextHistoryIndex].Command,
        CommandLine);

    AcpiGbl_HistoryBuffer[AcpiGbl_NextHistoryIndex].CmdNum =
        AcpiGbl_NextCmdNum;

    /* Adjust indexes */

    if ((AcpiGbl_NumHistory == HISTORY_SIZE) &&
        (AcpiGbl_NextHistoryIndex == AcpiGbl_LoHistory))
    {
        AcpiGbl_LoHistory++;
        if (AcpiGbl_LoHistory >= HISTORY_SIZE)
        {
            AcpiGbl_LoHistory = 0;
        }
    }

    AcpiGbl_NextHistoryIndex++;
    if (AcpiGbl_NextHistoryIndex >= HISTORY_SIZE)
    {
        AcpiGbl_NextHistoryIndex = 0;
    }

    AcpiGbl_NextCmdNum++;
    if (AcpiGbl_NumHistory < HISTORY_SIZE)
    {
        AcpiGbl_NumHistory++;
    }
}
Example #2
0
ACPI_STATUS
AcpiOsCreateCache (
    const char              *CacheName,
    UINT16                  ObjectSize,
    UINT16                  MaxDepth,
    ACPI_MEMORY_LIST        **ReturnCache)
{
    ACPI_MEMORY_LIST        *Cache;


    ACPI_FUNCTION_ENTRY ();


    if (!CacheName || !ReturnCache || (ObjectSize < 16))
    {
        return (AE_BAD_PARAMETER);
    }

    /* Create the cache object */

    Cache = AcpiOsAllocate (sizeof (ACPI_MEMORY_LIST));
    if (!Cache)
    {
        return (AE_NO_MEMORY);
    }

    /* Populate the cache object and return it */
    memset (Cache, 0, sizeof (ACPI_MEMORY_LIST));
    Cache->ListName   = __UNCONST(CacheName);
    Cache->ObjectSize = ObjectSize;
    Cache->MaxDepth = MaxDepth;

    *ReturnCache = Cache;
    return (AE_OK);
}
Example #3
0
void *
AcpiUtAllocate (
    ACPI_SIZE               Size,
    UINT32                  Component,
    const char              *Module,
    UINT32                  Line)
{
    void                    *Allocation;


    ACPI_FUNCTION_TRACE_U32 (UtAllocate, Size);


    /* Check for an inadvertent size of zero bytes */

    if (!Size)
    {
        ACPI_WARNING ((Module, Line,
                       "Attempt to allocate zero bytes, allocating 1 byte"));
        Size = 1;
    }

    Allocation = AcpiOsAllocate (Size);
    if (!Allocation)
    {
        /* Report allocation error */

        ACPI_WARNING ((Module, Line,
                       "Could not allocate size %u", (UINT32) Size));

        return_PTR (NULL);
    }

    return_PTR (Allocation);
}
Example #4
0
static void
acpi_res_set_init(device_t dev, void *arg, void **context)
{
    struct acpi_res_context	*cp;

    if ((cp = AcpiOsAllocate(sizeof(*cp))) != NULL) {
	bzero(cp, sizeof(*cp));
	cp->ar_parent = arg;
	*context = cp;
    }
}
Example #5
0
void *
AcpiUtAllocateAndTrack (
    ACPI_SIZE               Size,
    UINT32                  Component,
    const char              *Module,
    UINT32                  Line)
{
    ACPI_DEBUG_MEM_BLOCK    *Allocation;
    ACPI_STATUS             Status;


    /* Check for an inadvertent size of zero bytes */

    if (!Size)
    {
        ACPI_WARNING ((Module, Line,
            "Attempt to allocate zero bytes, allocating 1 byte"));
        Size = 1;
    }

    Allocation = AcpiOsAllocate (Size + sizeof (ACPI_DEBUG_MEM_HEADER));
    if (!Allocation)
    {
        /* Report allocation error */

        ACPI_WARNING ((Module, Line,
            "Could not allocate size %u", (UINT32) Size));

        return (NULL);
    }

    Status = AcpiUtTrackAllocation (
        Allocation, Size, ACPI_MEM_MALLOC, Component, Module, Line);
    if (ACPI_FAILURE (Status))
    {
        AcpiOsFree (Allocation);
        return (NULL);
    }

    AcpiGbl_GlobalList->TotalAllocated++;
    AcpiGbl_GlobalList->TotalSize += (UINT32) Size;
    AcpiGbl_GlobalList->CurrentTotalSize += (UINT32) Size;

    if (AcpiGbl_GlobalList->CurrentTotalSize >
        AcpiGbl_GlobalList->MaxOccupied)
    {
        AcpiGbl_GlobalList->MaxOccupied =
            AcpiGbl_GlobalList->CurrentTotalSize;
    }

    return ((void *) &Allocation->UserSpace);
}
Example #6
0
void *
AcpiUtAllocate (
    UINT32                  Size,
    UINT32                  Component,
    NATIVE_CHAR             *Module,
    UINT32                  Line)
{
    ACPI_DEBUG_MEM_BLOCK    *Address;
    ACPI_STATUS             Status;


    FUNCTION_TRACE_U32 ("UtAllocate", Size);


    /* Check for an inadvertent size of zero bytes */

    if (!Size)
    {
        _REPORT_ERROR (Module, Line, Component,
                ("UtAllocate: Attempt to allocate zero bytes\n"));
        Size = 1;
    }

    Address = AcpiOsAllocate (Size + sizeof (ACPI_DEBUG_MEM_BLOCK));
    if (!Address)
    {
        /* Report allocation error */

        _REPORT_ERROR (Module, Line, Component,
                ("UtAllocate: Could not allocate size %X\n", Size));

        return_PTR (NULL);
    }

    Status = AcpiUtAddElementToAllocList (ACPI_MEM_LIST_GLOBAL, Address, Size,
                    MEM_MALLOC, Component, Module, Line);
    if (ACPI_FAILURE (Status))
    {
        AcpiOsFree (Address);
        return_PTR (NULL);
    }

    AcpiGbl_MemoryLists[ACPI_MEM_LIST_GLOBAL].TotalAllocated++;
    AcpiGbl_MemoryLists[ACPI_MEM_LIST_GLOBAL].CurrentTotalSize += Size;

    ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, "%p Size %X\n", Address, Size));

    return_PTR ((void *) &Address->UserSpace);
}
Example #7
0
void *
AcpiOsAllocateZeroed (
    ACPI_SIZE               Size)
{
    void                    *Mem;


    Mem = AcpiOsAllocate (Size);
    if (Mem)
    {
        ACPI_MEMSET (Mem, 0, Size);
    }

    return (Mem);
}
Example #8
0
static char *
FlStrdup (
    char                *String)
{
    char                *NewString;


    NewString = AcpiOsAllocate (strlen (String) + 1);
    if (!NewString)
    {
        return (NULL);
    }

    strcpy (NewString, String);
    return (NewString);
}
Example #9
0
ACPI_STATUS
AcpiOsCreateSemaphore (
    UINT32              MaxUnits,
    UINT32              InitialUnits,
    ACPI_HANDLE         *OutHandle)
{
    sem_t               *Sem;


    if (!OutHandle)
    {
        return (AE_BAD_PARAMETER);
    }

#ifdef __APPLE__
    {
        static int      SemaphoreCount = 0;
        char            SemaphoreName[32];

        snprintf (SemaphoreName, sizeof (SemaphoreName), "acpi_sem_%d",
            SemaphoreCount++);
        printf ("%s\n", SemaphoreName);
        Sem = sem_open (SemaphoreName, O_EXCL|O_CREAT, 0755, InitialUnits);
        if (!Sem)
        {
            return (AE_NO_MEMORY);
        }
        sem_unlink (SemaphoreName); /* This just deletes the name */
    }

#else
    Sem = AcpiOsAllocate (sizeof (sem_t));
    if (!Sem)
    {
        return (AE_NO_MEMORY);
    }

    if (sem_init (Sem, 0, InitialUnits) == -1)
    {
        AcpiOsFree (Sem);
        return (AE_BAD_PARAMETER);
    }
#endif

    *OutHandle = (ACPI_HANDLE) Sem;
    return (AE_OK);
}
Example #10
0
ACPI_STATUS
AcpiOsCreateSemaphore (
    UINT32              MaxUnits,
    UINT32              InitialUnits,
    ACPI_HANDLE         *OutHandle)
{
#if 0
    sem_t               *Sem;


    if (!OutHandle)
    {
        return (AE_BAD_PARAMETER);
    }

#ifdef __APPLE__
    {
        char            *SemaphoreName = tmpnam (NULL);

        Sem = sem_open (SemaphoreName, O_EXCL|O_CREAT, 0755, InitialUnits);
        if (!Sem)
        {
            return (AE_NO_MEMORY);
        }
        sem_unlink (SemaphoreName); /* This just deletes the name */
    }

#else
    Sem = AcpiOsAllocate (sizeof (sem_t));
    if (!Sem)
    {
        return (AE_NO_MEMORY);
    }

    if (sem_init (Sem, 0, InitialUnits) == -1)
    {
        AcpiOsFree (Sem);
        return (AE_BAD_PARAMETER);
    }
#endif

    *OutHandle = (ACPI_HANDLE) Sem;
#endif
	*OutHandle = (ACPI_HANDLE) 1;
    return (AE_OK);
}
Example #11
0
void *
AcpiOsAllocateZeroed (
    ACPI_SIZE               Size)
{
    void                    *Allocation;


    ACPI_FUNCTION_ENTRY ();


    Allocation = AcpiOsAllocate (Size);
    if (Allocation)
    {
        /* Clear the memory block */

        ACPI_MEMSET (Allocation, 0, Size);
    }

    return (Allocation);
}
Example #12
0
ACPI_STATUS
AcpiUtCreateList (
    char                    *ListName,
    UINT16                  ObjectSize,
    ACPI_MEMORY_LIST        **ReturnCache)
{
    ACPI_MEMORY_LIST        *Cache;


    Cache = AcpiOsAllocate (sizeof (ACPI_MEMORY_LIST));
    if (!Cache)
    {
        return (AE_NO_MEMORY);
    }

    ACPI_MEMSET (Cache, 0, sizeof (ACPI_MEMORY_LIST));

    Cache->ListName   = ListName;
    Cache->ObjectSize = ObjectSize;

    *ReturnCache = Cache;
    return (AE_OK);
}
Example #13
0
int ACPI_SYSTEM_XFACE
main (
    int                     argc,
    char                    **argv)
{
    int                     j;
    ACPI_STATUS             Status;
    UINT32                  InitFlags;
    ACPI_TABLE_HEADER       *Table = NULL;
    UINT32                  TableCount;
    AE_TABLE_DESC           *TableDesc;
    char                    **WildcardList;
    char                    *Filename;
    char                    *Directory;
    char                    *FullPathname;


#ifdef _DEBUG
    _CrtSetDbgFlag (_CRTDBG_CHECK_ALWAYS_DF | _CRTDBG_LEAK_CHECK_DF |
                    _CrtSetDbgFlag(_CRTDBG_REPORT_FLAG));
#endif

    printf (ACPI_COMMON_SIGNON ("AML Execution/Debug Utility"));

    if (argc < 2)
    {
        usage ();
        return (0);
    }

    signal (SIGINT, AeCtrlCHandler);

    /* Init globals */

    AcpiDbgLevel = ACPI_NORMAL_DEFAULT;
    AcpiDbgLayer = 0xFFFFFFFF;

    /* Init ACPI and start debugger thread */

    Status = AcpiInitializeSubsystem ();
    AE_CHECK_OK (AcpiInitializeSubsystem, Status);

    /* Get the command line options */

    while ((j = AcpiGetopt (argc, argv, AE_SUPPORTED_OPTIONS)) != EOF) switch(j)
    {
    case 'b':
        if (strlen (AcpiGbl_Optarg) > 127)
        {
            printf ("**** The length of command line (%u) exceeded maximum (127)\n",
                (UINT32) strlen (AcpiGbl_Optarg));
            return (-1);
        }
        AcpiGbl_BatchMode = 1;
        strcpy (BatchBuffer, AcpiGbl_Optarg);
        break;

    case 'd':
        switch (AcpiGbl_Optarg[0])
        {
        case 'a':
            AcpiGbl_IgnoreErrors = TRUE;
            break;

        case 'i':
            AcpiGbl_DbOpt_ini_methods = FALSE;
            break;

        case 'o':
            AcpiGbl_DbOpt_NoRegionSupport = TRUE;
            break;

        case 'r':
            AcpiGbl_DisableAutoRepair = TRUE;
            break;

        case 't':
            #ifdef ACPI_DBG_TRACK_ALLOCATIONS
                AcpiGbl_DisableMemTracking = TRUE;
            #endif
            break;

        default:
            printf ("Unknown option: -d%s\n", AcpiGbl_Optarg);
            return (-1);
        }
        break;

    case 'e':
        switch (AcpiGbl_Optarg[0])
        {
        case 'f':
            #ifdef ACPI_DBG_TRACK_ALLOCATIONS
                AcpiGbl_DisplayFinalMemStats = TRUE;
            #endif
            break;

        case 'm':
            AcpiGbl_AllMethodsSerialized = TRUE;
            printf ("Enabling AML Interpreter serialized mode\n");
            break;

        case 's':
            AcpiGbl_EnableInterpreterSlack = TRUE;
            printf ("Enabling AML Interpreter slack mode\n");
            break;

        case 't':
            AcpiGbl_DebugTimeout = TRUE;
            break;

        default:
            printf ("Unknown option: -e%s\n", AcpiGbl_Optarg);
            return (-1);
        }
        break;

    case 'f':
        AcpiGbl_RegionFillValue = (UINT8) strtoul (AcpiGbl_Optarg, NULL, 0);
        break;

    case 'g':
        AcpiGbl_DbOpt_tables = TRUE;
        AcpiGbl_DbFilename = NULL;
        break;

    case 'm':
        AcpiGbl_BatchMode = 2;
        switch (AcpiGbl_Optarg[0])
        {
        case '^':
            strcpy (BatchBuffer, "MAIN");
            break;

        default:
            strcpy (BatchBuffer, AcpiGbl_Optarg);
            break;
        }
        break;

    case 'o':
        AcpiGbl_DbOpt_disasm = TRUE;
        AcpiGbl_DbOpt_stats = TRUE;
        break;

    case 'v':
        AcpiDbgLevel |= ACPI_LV_INIT_NAMES;
        break;

    case 'x':
        AcpiDbgLevel = strtoul (AcpiGbl_Optarg, NULL, 0);
        AcpiGbl_DbConsoleDebugLevel = AcpiDbgLevel;
        printf ("Debug Level: 0x%8.8X\n", AcpiDbgLevel);
        break;

    case '?':
    case 'h':
    default:
        usage();
        return (-1);
    }


    InitFlags = (ACPI_NO_HANDLER_INIT | ACPI_NO_ACPI_ENABLE);
    if (!AcpiGbl_DbOpt_ini_methods)
    {
        InitFlags |= (ACPI_NO_DEVICE_INIT | ACPI_NO_OBJECT_INIT);
    }

    /* The remaining arguments are filenames for ACPI tables */

    if (argv[AcpiGbl_Optind])
    {
        AcpiGbl_DbOpt_tables = TRUE;
        TableCount = 0;

        /* Get each of the ACPI table files on the command line */

        while (argv[AcpiGbl_Optind])
        {
            /* Split incoming path into a directory/filename combo */

            Status = FlSplitInputPathname (argv[AcpiGbl_Optind], &Directory, &Filename);
            if (ACPI_FAILURE (Status))
            {
                return (Status);
            }

            /* Expand wildcards (Windows only) */

            WildcardList = AsDoWildcard (Directory, Filename);
            if (!WildcardList)
            {
                return (-1);
            }

            while (*WildcardList)
            {
                FullPathname = AcpiOsAllocate (
                    strlen (Directory) + strlen (*WildcardList) + 1);

                /* Construct a full path to the file */

                strcpy (FullPathname, Directory);
                strcat (FullPathname, *WildcardList);

                /* Get one table */

                Status = AcpiDbReadTableFromFile (FullPathname, &Table);
                if (ACPI_FAILURE (Status))
                {
                    printf ("**** Could not get input table %s, %s\n", FullPathname,
                        AcpiFormatException (Status));
                    goto enterloop;
                }

                AcpiOsFree (FullPathname);
                AcpiOsFree (*WildcardList);
                *WildcardList = NULL;
                WildcardList++;

                /*
                 * Ignore an FACS or RSDT, we can't use them.
                 */
                if (ACPI_COMPARE_NAME (Table->Signature, ACPI_SIG_FACS) ||
                    ACPI_COMPARE_NAME (Table->Signature, ACPI_SIG_RSDT))
                {
                    AcpiOsFree (Table);
                    continue;
                }

                /* Allocate and link a table descriptor */

                TableDesc = AcpiOsAllocate (sizeof (AE_TABLE_DESC));
                TableDesc->Table = Table;
                TableDesc->Next = AeTableListHead;
                AeTableListHead = TableDesc;

                TableCount++;
            }

            AcpiGbl_Optind++;
        }

        /* Build a local RSDT with all tables and let ACPICA process the RSDT */

        Status = AeBuildLocalTables (TableCount, AeTableListHead);
        if (ACPI_FAILURE (Status))
        {
            return (-1);
        }

        Status = AeInstallTables ();
        if (ACPI_FAILURE (Status))
        {
            printf ("**** Could not load ACPI tables, %s\n", AcpiFormatException (Status));
            goto enterloop;
        }

         /*
          * Install most of the handlers.
          * Override some default region handlers, especially SystemMemory
          */
        Status = AeInstallEarlyHandlers ();
        if (ACPI_FAILURE (Status))
        {
            goto enterloop;
        }

        /*
         * TBD: Need a way to call this after the "LOAD" command
         */
        Status = AcpiEnableSubsystem (InitFlags);
        if (ACPI_FAILURE (Status))
        {
            printf ("**** Could not EnableSubsystem, %s\n", AcpiFormatException (Status));
            goto enterloop;
        }

        Status = AcpiInitializeObjects (InitFlags);
        if (ACPI_FAILURE (Status))
        {
            printf ("**** Could not InitializeObjects, %s\n", AcpiFormatException (Status));
            goto enterloop;
        }

        /*
         * Install handlers for "device driver" space IDs (EC,SMBus, etc.)
         * and fixed event handlers
         */
        AeInstallLateHandlers ();
        AeMiscellaneousTests ();
    }

enterloop:

    if (AcpiGbl_BatchMode == 1)
    {
        AcpiDbRunBatchMode ();
    }
    else if (AcpiGbl_BatchMode == 2)
    {
        AcpiDbExecute (BatchBuffer, NULL, NULL, EX_NO_SINGLE_STEP);
    }
    else
    {
        /* Enter the debugger command loop */

        AcpiDbUserCommands (ACPI_DEBUGGER_COMMAND_PROMPT, NULL);
    }

    return (0);
}
Example #14
0
ACPI_STATUS
AcpiUtInitializeBuffer (
    ACPI_BUFFER             *Buffer,
    ACPI_SIZE               RequiredLength)
{
    ACPI_SIZE               InputBufferLength;


    /* Parameter validation */

    if (!Buffer || !RequiredLength)
    {
        return (AE_BAD_PARAMETER);
    }

    /*
     * Buffer->Length is used as both an input and output parameter. Get the
     * input actual length and set the output required buffer length.
     */
    InputBufferLength = Buffer->Length;
    Buffer->Length = RequiredLength;

    /*
     * The input buffer length contains the actual buffer length, or the type
     * of buffer to be allocated by this routine.
     */
    switch (InputBufferLength)
    {
    case ACPI_NO_BUFFER:

        /* Return the exception (and the required buffer length) */

        return (AE_BUFFER_OVERFLOW);

    case ACPI_ALLOCATE_BUFFER:

        /* Allocate a new buffer */

        Buffer->Pointer = AcpiOsAllocate (RequiredLength);
        break;

    case ACPI_ALLOCATE_LOCAL_BUFFER:

        /* Allocate a new buffer with local interface to allow tracking */

        Buffer->Pointer = ACPI_ALLOCATE (RequiredLength);
        break;

    default:

        /* Existing buffer: Validate the size of the buffer */

        if (InputBufferLength < RequiredLength)
        {
            return (AE_BUFFER_OVERFLOW);
        }
        break;
    }

    /* Validate allocation from above or input buffer pointer */

    if (!Buffer->Pointer)
    {
        return (AE_NO_MEMORY);
    }

    /* Have a valid buffer, clear it */

    ACPI_MEMSET (Buffer->Pointer, 0, RequiredLength);
    return (AE_OK);
}
Example #15
0
void
AbComputeChecksum (
    char                    *FilePath)
{
    UINT32                  Actual;
    ACPI_TABLE_HEADER       *Table;
    UINT8                   Checksum;
    FILE                    *File;


    File = fopen (FilePath, "rb");
    if (!File)
    {
        printf ("Could not open file %s\n", FilePath);
        return;
    }

    Actual = fread (&Header1, 1, sizeof (ACPI_TABLE_HEADER), File);
    if (Actual < sizeof (ACPI_TABLE_HEADER))
    {
        printf ("File %s does not contain a valid ACPI table header\n", FilePath);
        goto Exit1;
    }

    if (!AbValidateHeader (&Header1))
    {
        goto Exit1;
    }

    if (!Gbl_TerseMode)
    {
        AbPrintHeaderInfo (&Header1);
    }

    /* Allocate a buffer to hold the entire table */

    Table = AcpiOsAllocate (Header1.Length);
    if (!Table)
    {
        printf ("Could not allocate buffer for table\n");
        goto Exit1;
    }

    /* Read the entire table, including header */

    fseek (File, 0, SEEK_SET);
    Actual = fread (Table, 1, Header1.Length, File);
    if (Actual != Header1.Length)
    {
        printf ("Could not read table, length %u\n", Header1.Length);
        goto Exit2;
    }

    /* Compute the checksum for the table */

    Table->Checksum = 0;

    Checksum = (UINT8) (0 - AcpiTbSumTable (Table, Table->Length));
    printf ("Computed checksum: 0x%X\n\n", Checksum);

    if (Header1.Checksum == Checksum)
    {
        printf ("Checksum OK in AML file, not updating\n");
        goto Exit2;
    }

    /* Open the target file for writing, to update checksum */

    fclose (File);
    File = fopen (FilePath, "r+b");
    if (!File)
    {
        printf ("Could not open file %s for writing\n", FilePath);
        goto Exit2;
    }

    /* Set the checksum, write the new header */

    Header1.Checksum = Checksum;

    Actual = fwrite (&Header1, 1, sizeof (ACPI_TABLE_HEADER), File);
    if (Actual != sizeof (ACPI_TABLE_HEADER))
    {
        printf ("Could not write updated table header\n");
        goto Exit2;
    }

    printf ("Wrote new checksum\n");

Exit2:
    AcpiOsFree (Table);

Exit1:
    if (File)
    {
        fclose (File);
    }
    return;
}
Example #16
0
static ACPI_STATUS
AcpiDbReadTable (
    FILE                    *fp,
    ACPI_TABLE_HEADER       **Table,
    UINT32                  *TableLength)
{
    ACPI_TABLE_HEADER       TableHeader;
    UINT32                  Actual;
    ACPI_STATUS             Status;
    UINT32                  FileSize;
    BOOLEAN                 StandardHeader = TRUE;


    /* Get the file size */

    fseek (fp, 0, SEEK_END);
    FileSize = (UINT32) ftell (fp);
    fseek (fp, 0, SEEK_SET);

    if (FileSize < 4)
    {
        return (AE_BAD_HEADER);
    }

    /* Read the signature */

    if (fread (&TableHeader, 1, 4, fp) != 4)
    {
        AcpiOsPrintf ("Could not read the table signature\n");
        return (AE_BAD_HEADER);
    }

    fseek (fp, 0, SEEK_SET);

    /* The RSDT, FACS and S3PT tables do not have standard ACPI headers */

    if (ACPI_COMPARE_NAME (TableHeader.Signature, "RSD ") ||
        ACPI_COMPARE_NAME (TableHeader.Signature, "FACS") ||
        ACPI_COMPARE_NAME (TableHeader.Signature, "S3PT"))
    {
        *TableLength = FileSize;
        StandardHeader = FALSE;
    }
    else
    {
        /* Read the table header */

        if (fread (&TableHeader, 1, sizeof (TableHeader), fp) !=
                sizeof (ACPI_TABLE_HEADER))
        {
            AcpiOsPrintf ("Could not read the table header\n");
            return (AE_BAD_HEADER);
        }

#if 0
        /* Validate the table header/length */

        Status = AcpiTbValidateTableHeader (&TableHeader);
        if (ACPI_FAILURE (Status))
        {
            AcpiOsPrintf ("Table header is invalid!\n");
            return (Status);
        }
#endif

        /* File size must be at least as long as the Header-specified length */

        if (TableHeader.Length > FileSize)
        {
            AcpiOsPrintf (
                "TableHeader length [0x%X] greater than the input file size [0x%X]\n",
                TableHeader.Length, FileSize);
            return (AE_BAD_HEADER);
        }

#ifdef ACPI_OBSOLETE_CODE
        /* We only support a limited number of table types */

        if (ACPI_STRNCMP ((char *) TableHeader.Signature, DSDT_SIG, 4) &&
            ACPI_STRNCMP ((char *) TableHeader.Signature, PSDT_SIG, 4) &&
            ACPI_STRNCMP ((char *) TableHeader.Signature, SSDT_SIG, 4))
        {
            AcpiOsPrintf ("Table signature [%4.4s] is invalid or not supported\n",
                (char *) TableHeader.Signature);
            ACPI_DUMP_BUFFER (&TableHeader, sizeof (ACPI_TABLE_HEADER));
            return (AE_ERROR);
        }
#endif

        *TableLength = TableHeader.Length;
    }

    /* Allocate a buffer for the table */

    *Table = AcpiOsAllocate ((size_t) FileSize);
    if (!*Table)
    {
        AcpiOsPrintf (
            "Could not allocate memory for ACPI table %4.4s (size=0x%X)\n",
            TableHeader.Signature, *TableLength);
        return (AE_NO_MEMORY);
    }

    /* Get the rest of the table */

    fseek (fp, 0, SEEK_SET);
    Actual = fread (*Table, 1, (size_t) FileSize, fp);
    if (Actual == FileSize)
    {
        if (StandardHeader)
        {
            /* Now validate the checksum */

            Status = AcpiTbVerifyChecksum ((void *) *Table,
                        ACPI_CAST_PTR (ACPI_TABLE_HEADER, *Table)->Length);

            if (Status == AE_BAD_CHECKSUM)
            {
                Status = AcpiDbCheckTextModeCorruption ((UINT8 *) *Table,
                            FileSize, (*Table)->Length);
                return (Status);
            }
        }
        return (AE_OK);
    }

    if (Actual > 0)
    {
        AcpiOsPrintf ("Warning - reading table, asked for %X got %X\n",
            FileSize, Actual);
        return (AE_OK);
    }

    AcpiOsPrintf ("Error - could not read the table file\n");
    AcpiOsFree (*Table);
    *Table = NULL;
    *TableLength = 0;

    return (AE_ERROR);
}
Example #17
0
static ACPI_STATUS
AcGetOneTableFromFile (
    char                    *Filename,
    FILE                    *File,
    UINT8                   GetOnlyAmlTables,
    ACPI_TABLE_HEADER       **ReturnTable)
{
    ACPI_STATUS             Status = AE_OK;
    ACPI_TABLE_HEADER       TableHeader;
    ACPI_TABLE_HEADER       *Table;
    INT32                   Count;
    long                    TableOffset;


    *ReturnTable = NULL;

    /* Get the table header to examine signature and length */

    TableOffset = ftell (File);
    Count = fread (&TableHeader, 1, sizeof (ACPI_TABLE_HEADER), File);
    if (Count != sizeof (ACPI_TABLE_HEADER))
    {
        return (AE_CTRL_TERMINATE);
    }

    /* Validate the table signature/header (limited ASCII chars) */

    Status = AcValidateTableHeader (File, TableOffset);
    if (ACPI_FAILURE (Status))
    {
        return (Status);
    }

    if (GetOnlyAmlTables)
    {
        /*
         * Table must be an AML table (DSDT/SSDT).
         * Used for iASL -e option only.
         */
        if (!AcpiUtIsAmlTable (&TableHeader))
        {
            fprintf (stderr,
                "    %s: Table [%4.4s] is not an AML table - ignoring\n",
                Filename, TableHeader.Signature);

            return (AE_TYPE);
        }
    }

    /* Allocate a buffer for the entire table */

    Table = AcpiOsAllocate ((ACPI_SIZE) TableHeader.Length);
    if (!Table)
    {
        return (AE_NO_MEMORY);
    }

    /* Read the entire ACPI table, including header */

    fseek (File, TableOffset, SEEK_SET);

    Count = fread (Table, 1, TableHeader.Length, File);
    if (Count != (INT32) TableHeader.Length)
    {
        Status = AE_ERROR;
        goto ErrorExit;
    }

    /* Validate the checksum (just issue a warning) */

    Status = AcpiTbVerifyChecksum (Table, TableHeader.Length);
    if (ACPI_FAILURE (Status))
    {
        Status = AcCheckTextModeCorruption (Table);
        if (ACPI_FAILURE (Status))
        {
            goto ErrorExit;
        }
    }

    *ReturnTable = Table;
    return (AE_OK);


ErrorExit:
    AcpiOsFree (Table);
    return (Status);
}
Example #18
0
ACPI_STATUS
AcGetAllTablesFromFile (
    char                    *Filename,
    UINT8                   GetOnlyAmlTables,
    ACPI_NEW_TABLE_DESC     **ReturnListHead)
{
    ACPI_NEW_TABLE_DESC     *ListHead = NULL;
    ACPI_NEW_TABLE_DESC     *ListTail = NULL;
    ACPI_NEW_TABLE_DESC     *TableDesc;
    FILE                    *File;
    ACPI_TABLE_HEADER       *Table = NULL;
    UINT32                  FileSize;
    ACPI_STATUS             Status = AE_OK;


    File = fopen (Filename, "rb");
    if (!File)
    {
        fprintf (stderr, "Could not open input file: %s\n", Filename);
        if (errno == ENOENT)
        {
            return (AE_NOT_EXIST);
        }

        return (AE_ERROR);
    }

    /* Get the file size */

    FileSize = CmGetFileSize (File);
    if (FileSize == ACPI_UINT32_MAX)
    {
        Status = AE_ERROR;
        goto Exit;
    }

    fprintf (stderr,
        "Input file %s, Length 0x%X (%u) bytes\n",
        Filename, FileSize, FileSize);

    /* We must have at least one ACPI table header */

    if (FileSize < sizeof (ACPI_TABLE_HEADER))
    {
        Status = AE_BAD_HEADER;
        goto Exit;
    }

    /* Check for an non-binary file */

    if (!AcIsFileBinary (File))
    {
        fprintf (stderr,
            "    %s: File does not appear to contain a valid AML table\n",
            Filename);
        Status = AE_TYPE;
        goto Exit;
    }

    /* Read all tables within the file */

    while (ACPI_SUCCESS (Status))
    {
        /* Get one entire ACPI table */

        Status = AcGetOneTableFromFile (
            Filename, File, GetOnlyAmlTables, &Table);

        if (Status == AE_CTRL_TERMINATE)
        {
            Status = AE_OK;
            break;
        }
        else if (Status == AE_TYPE)
        {
            Status = AE_OK;
            goto Exit;
        }
        else if (ACPI_FAILURE (Status))
        {
            goto Exit;
        }

        /* Print table header for iASL/disassembler only */

#ifdef ACPI_ASL_COMPILER

        AcpiTbPrintTableHeader (0, Table);
#endif

        /* Allocate and link a table descriptor */

        TableDesc = AcpiOsAllocate (sizeof (ACPI_NEW_TABLE_DESC));
        if (!TableDesc)
        {
            AcpiOsFree (Table);
            Status = AE_NO_MEMORY;
            goto Exit;
        }

        TableDesc->Table = Table;
        TableDesc->Next = NULL;

        /* Link at the end of the local table list */

        if (!ListHead)
        {
            ListHead = TableDesc;
            ListTail = TableDesc;
        }
        else
        {
            ListTail->Next = TableDesc;
            ListTail = TableDesc;
        }
    }

    /* Add the local table list to the end of the global list */

    if (*ReturnListHead)
    {
        ListTail = *ReturnListHead;
        while (ListTail->Next)
        {
            ListTail = ListTail->Next;
        }

        ListTail->Next = ListHead;
    }
    else
    {
        *ReturnListHead = ListHead;
    }

Exit:
    fclose(File);
    return (Status);
}
Example #19
0
int ACPI_SYSTEM_XFACE
main (
    int                     argc,
    char                    **argv)
{
    ACPI_STATUS             Status;
    UINT32                  InitFlags;
    ACPI_TABLE_HEADER       *Table = NULL;
    UINT32                  TableCount;
    AE_TABLE_DESC           *TableDesc;


    ACPI_DEBUG_INITIALIZE (); /* For debug version only */
    signal (SIGINT, AeCtrlCHandler);

    /* Init debug globals */

    AcpiDbgLevel = ACPI_NORMAL_DEFAULT;
    AcpiDbgLayer = 0xFFFFFFFF;

    /* Init ACPICA and start debugger thread */

    Status = AcpiInitializeSubsystem ();
    AE_CHECK_OK (AcpiInitializeSubsystem, Status);
    if (ACPI_FAILURE (Status))
    {
        goto ErrorExit;
    }

    printf (ACPI_COMMON_SIGNON (ACPIEXEC_NAME));
    if (argc < 2)
    {
        usage ();
        (void) AcpiOsTerminate ();
        return (0);
    }

    /* Get the command line options */

    if (AeDoOptions (argc, argv))
    {
        goto ErrorExit;
    }

    /* The remaining arguments are filenames for ACPI tables */

    if (!argv[AcpiGbl_Optind])
    {
        goto EnterDebugger;
    }

    AcpiGbl_DbOpt_tables = TRUE;
    AcpiGbl_CstyleDisassembly = FALSE; /* Not supported for AcpiExec */
    TableCount = 0;

    /* Get each of the ACPI table files on the command line */

    while (argv[AcpiGbl_Optind])
    {
        /* Get one entire table */

        Status = AcpiUtReadTableFromFile (argv[AcpiGbl_Optind], &Table);
        if (ACPI_FAILURE (Status))
        {
            printf ("**** Could not get table from file %s, %s\n",
                argv[AcpiGbl_Optind], AcpiFormatException (Status));
            goto ErrorExit;
        }

        /* Ignore non-AML tables, we can't use them. Except for an FADT */

        if (!ACPI_COMPARE_NAME (Table->Signature, ACPI_SIG_FADT) &&
            !AcpiUtIsAmlTable (Table))
        {
            ACPI_INFO ((AE_INFO,
                "Table [%4.4s] is not an AML table, ignoring",
                Table->Signature));
            AcpiOsFree (Table);
        }
        else
        {
            /* Allocate and link a table descriptor */

            TableDesc = AcpiOsAllocate (sizeof (AE_TABLE_DESC));
            TableDesc->Table = Table;
            TableDesc->Next = AeTableListHead;
            AeTableListHead = TableDesc;

            TableCount++;
        }

        AcpiGbl_Optind++;
    }

    printf ("\n");

    /* Build a local RSDT with all tables and let ACPICA process the RSDT */

    Status = AeBuildLocalTables (TableCount, AeTableListHead);
    if (ACPI_FAILURE (Status))
    {
        goto ErrorExit;
    }

    Status = AeInstallTables ();
    if (ACPI_FAILURE (Status))
    {
        printf ("**** Could not load ACPI tables, %s\n",
            AcpiFormatException (Status));
        goto EnterDebugger;
    }

    /*
     * Install most of the handlers.
     * Override some default region handlers, especially SystemMemory
     */
    Status = AeInstallEarlyHandlers ();
    if (ACPI_FAILURE (Status))
    {
        goto EnterDebugger;
    }

    /* Setup initialization flags for ACPICA */

    InitFlags = (ACPI_NO_HANDLER_INIT | ACPI_NO_ACPI_ENABLE);
    if (!AcpiGbl_DbOpt_ini_methods)
    {
        InitFlags |= (ACPI_NO_DEVICE_INIT | ACPI_NO_OBJECT_INIT);
    }

    /*
     * Main initialization for ACPICA subsystem
     * TBD: Need a way to call this after the ACPI table "LOAD" command
     */
    Status = AcpiEnableSubsystem (InitFlags);
    if (ACPI_FAILURE (Status))
    {
        printf ("**** Could not EnableSubsystem, %s\n",
            AcpiFormatException (Status));
        goto EnterDebugger;
    }

    /*
     * Install handlers for "device driver" space IDs (EC,SMBus, etc.)
     * and fixed event handlers
     */
    AeInstallLateHandlers ();

    /* Finish the ACPICA initialization */

    Status = AcpiInitializeObjects (InitFlags);
    if (ACPI_FAILURE (Status))
    {
        printf ("**** Could not InitializeObjects, %s\n",
            AcpiFormatException (Status));
        goto EnterDebugger;
    }

    AeMiscellaneousTests ();


EnterDebugger:

    /* Exit if error above and we are in one of the batch modes */

    if (ACPI_FAILURE (Status) && (AcpiGbl_ExecutionMode > 0))
    {
        goto ErrorExit;
    }

    /* Run a batch command or enter the command loop */

    switch (AcpiGbl_ExecutionMode)
    {
    default:
    case AE_MODE_COMMAND_LOOP:

        AcpiDbUserCommands (ACPI_DEBUGGER_COMMAND_PROMPT, NULL);
        break;

    case AE_MODE_BATCH_MULTIPLE:

        AcpiDbRunBatchMode ();
        break;

    case AE_MODE_BATCH_SINGLE:

        AcpiDbExecute (BatchBuffer, NULL, NULL, EX_NO_SINGLE_STEP);
        Status = AcpiTerminate ();
        break;
    }

    return (0);


ErrorExit:
    (void) AcpiOsTerminate ();
    return (-1);
}
Example #20
0
static ACPI_STATUS
AcpiUtReadTable (
    FILE                    *fp,
    ACPI_TABLE_HEADER       **Table,
    UINT32                  *TableLength)
{
    ACPI_TABLE_HEADER       TableHeader;
    UINT32                  Actual;
    ACPI_STATUS             Status;
    UINT32                  FileSize;
    BOOLEAN                 StandardHeader = TRUE;
    INT32                   Count;

    /* Get the file size */

    FileSize = CmGetFileSize (fp);
    if (FileSize == ACPI_UINT32_MAX)
    {
        return (AE_ERROR);
    }

    if (FileSize < 4)
    {
        return (AE_BAD_HEADER);
    }

    /* Read the signature */

    fseek (fp, 0, SEEK_SET);

    Count = fread (&TableHeader, 1, sizeof (ACPI_TABLE_HEADER), fp);
    if (Count != sizeof (ACPI_TABLE_HEADER))
    {
        AcpiOsPrintf ("Could not read the table header\n");
        return (AE_BAD_HEADER);
    }

    /* The RSDP table does not have standard ACPI header */

    if (ACPI_VALIDATE_RSDP_SIG (TableHeader.Signature))
    {
        *TableLength = FileSize;
        StandardHeader = FALSE;
    }
    else
    {

#if 0
        /* Validate the table header/length */

        Status = AcpiTbValidateTableHeader (&TableHeader);
        if (ACPI_FAILURE (Status))
        {
            AcpiOsPrintf ("Table header is invalid!\n");
            return (Status);
        }
#endif

        /* File size must be at least as long as the Header-specified length */

        if (TableHeader.Length > FileSize)
        {
            AcpiOsPrintf (
                "TableHeader length [0x%X] greater than the input file size [0x%X]\n",
                TableHeader.Length, FileSize);

#ifdef ACPI_ASL_COMPILER
            AcpiOsPrintf ("File is corrupt or is ASCII text -- "
                          "it must be a binary file\n");
#endif
            return (AE_BAD_HEADER);
        }

#ifdef ACPI_OBSOLETE_CODE
        /* We only support a limited number of table types */

        if (!ACPI_COMPARE_NAME ((char *) TableHeader.Signature, ACPI_SIG_DSDT) &&
                !ACPI_COMPARE_NAME ((char *) TableHeader.Signature, ACPI_SIG_PSDT) &&
                !ACPI_COMPARE_NAME ((char *) TableHeader.Signature, ACPI_SIG_SSDT))
        {
            AcpiOsPrintf ("Table signature [%4.4s] is invalid or not supported\n",
                          (char *) TableHeader.Signature);
            ACPI_DUMP_BUFFER (&TableHeader, sizeof (ACPI_TABLE_HEADER));
            return (AE_ERROR);
        }
#endif

        *TableLength = TableHeader.Length;
    }

    /* Allocate a buffer for the table */

    *Table = AcpiOsAllocate ((size_t) FileSize);
    if (!*Table)
    {
        AcpiOsPrintf (
            "Could not allocate memory for ACPI table %4.4s (size=0x%X)\n",
            TableHeader.Signature, *TableLength);
        return (AE_NO_MEMORY);
    }

    /* Get the rest of the table */

    fseek (fp, 0, SEEK_SET);
    Actual = fread (*Table, 1, (size_t) FileSize, fp);
    if (Actual == FileSize)
    {
        if (StandardHeader)
        {
            /* Now validate the checksum */

            Status = AcpiTbVerifyChecksum ((void *) *Table,
                                           ACPI_CAST_PTR (ACPI_TABLE_HEADER, *Table)->Length);

            if (Status == AE_BAD_CHECKSUM)
            {
                Status = AcpiUtCheckTextModeCorruption ((UINT8 *) *Table,
                                                        FileSize, (*Table)->Length);
                return (Status);
            }
        }
        return (AE_OK);
    }

    if (Actual > 0)
    {
        AcpiOsPrintf ("Warning - reading table, asked for %X got %X\n",
                      FileSize, Actual);
        return (AE_OK);
    }

    AcpiOsPrintf ("Error - could not read the table file\n");
    AcpiOsFree (*Table);
    *Table = NULL;
    *TableLength = 0;
    return (AE_ERROR);
}
Example #21
0
ACPI_STATUS
AcpiUtInitializeBuffer (
    ACPI_BUFFER             *Buffer,
    ACPI_SIZE               RequiredLength)
{
    ACPI_STATUS             Status = AE_OK;


    switch (Buffer->Length)
    {
    case ACPI_NO_BUFFER:

        /* Set the exception and returned the required length */

        Status = AE_BUFFER_OVERFLOW;
        break;


    case ACPI_ALLOCATE_BUFFER:

        /* Allocate a new buffer */

        Buffer->Pointer = AcpiOsAllocate (RequiredLength);
        if (!Buffer->Pointer)
        {
            return (AE_NO_MEMORY);
        }

        /* Clear the buffer */

        ACPI_MEMSET (Buffer->Pointer, 0, RequiredLength);
        break;


    case ACPI_ALLOCATE_LOCAL_BUFFER:

        /* Allocate a new buffer with local interface to allow tracking */

        Buffer->Pointer = ACPI_ALLOCATE_ZEROED (RequiredLength);
        if (!Buffer->Pointer)
        {
            return (AE_NO_MEMORY);
        }
        break;


    default:

        /* Existing buffer: Validate the size of the buffer */

        if (Buffer->Length < RequiredLength)
        {
            Status = AE_BUFFER_OVERFLOW;
            break;
        }

        /* Clear the buffer */

        ACPI_MEMSET (Buffer->Pointer, 0, RequiredLength);
        break;
    }

    Buffer->Length = RequiredLength;
    return (Status);
}
Example #22
0
ACPI_STATUS
AcpiDbInitialize (
    void)
{
    ACPI_STATUS             Status;


    /* Init globals */

    AcpiGbl_DbBuffer            = NULL;
    AcpiGbl_DbFilename          = NULL;
    AcpiGbl_DbOutputToFile      = FALSE;

    AcpiGbl_DbDebugLevel        = ACPI_LV_VERBOSITY2;
    AcpiGbl_DbConsoleDebugLevel = ACPI_NORMAL_DEFAULT | ACPI_LV_TABLES;
    AcpiGbl_DbOutputFlags       = ACPI_DB_CONSOLE_OUTPUT;

    AcpiGbl_DbOpt_tables        = FALSE;
    AcpiGbl_DbOpt_stats         = FALSE;
#ifdef ACPI_DISASSEMBLER
    AcpiGbl_DbOpt_disasm        = FALSE;
    AcpiGbl_DbOpt_verbose       = TRUE;
#endif
    AcpiGbl_DbOpt_ini_methods   = TRUE;

    AcpiGbl_DbBuffer = AcpiOsAllocate (ACPI_DEBUG_BUFFER_SIZE);
    if (!AcpiGbl_DbBuffer)
    {
        return (AE_NO_MEMORY);
    }
    ACPI_MEMSET (AcpiGbl_DbBuffer, 0, ACPI_DEBUG_BUFFER_SIZE);

    /* Initial scope is the root */

    AcpiGbl_DbScopeBuf [0] = '\\';
    AcpiGbl_DbScopeBuf [1] =  0;
    AcpiGbl_DbScopeNode = AcpiGbl_RootNode;

    /*
     * If configured for multi-thread support, the debug executor runs in
     * a separate thread so that the front end can be in another address
     * space, environment, or even another machine.
     */
    if (AcpiGbl_DebuggerConfiguration & DEBUGGER_MULTI_THREADED)
    {
        /* These were created with one unit, grab it */

        Status = AcpiUtAcquireMutex (ACPI_MTX_DEBUG_CMD_COMPLETE);
        if (ACPI_FAILURE (Status))
        {
            AcpiOsPrintf ("Could not get debugger mutex\n");
            return (Status);
        }

        Status = AcpiUtAcquireMutex (ACPI_MTX_DEBUG_CMD_READY);
        if (ACPI_FAILURE (Status))
        {
            AcpiOsPrintf ("Could not get debugger mutex\n");
            return (Status);
        }

        /* Create the debug execution thread to execute commands */

        Status = AcpiOsExecute (OSL_DEBUGGER_THREAD, AcpiDbExecuteThread, NULL);
        if (ACPI_FAILURE (Status))
        {
            AcpiOsPrintf ("Could not start debugger thread\n");
            return (Status);
        }
    }

#ifdef ACPI_DISASSEMBLER
    if (!AcpiGbl_DbOpt_verbose)
    {
        AcpiGbl_DbOpt_disasm = TRUE;
        AcpiGbl_DbOpt_stats = FALSE;
    }
#endif

    return (AE_OK);
}
ACPI_STATUS
AeRegionHandler (
    UINT32                  Function,
    ACPI_PHYSICAL_ADDRESS   Address,
    UINT32                  BitWidth,
    UINT64                  *Value,
    void                    *HandlerContext,
    void                    *RegionContext)
{

    ACPI_OPERAND_OBJECT     *RegionObject = ACPI_CAST_PTR (ACPI_OPERAND_OBJECT, RegionContext);
    UINT8                   *Buffer = ACPI_CAST_PTR (UINT8, Value);
    ACPI_PHYSICAL_ADDRESS   BaseAddress;
    ACPI_SIZE               Length;
    BOOLEAN                 BufferExists;
    AE_REGION               *RegionElement;
    void                    *BufferValue;
    ACPI_STATUS             Status;
    UINT32                  ByteWidth;
    UINT32                  i;
    UINT8                   SpaceId;


    ACPI_FUNCTION_NAME (AeRegionHandler);

    /*
     * If the object is not a region, simply return
     */
    if (RegionObject->Region.Type != ACPI_TYPE_REGION)
    {
        return AE_OK;
    }

    /*
     * Region support can be disabled with the -r option.
     * We use this to support dynamically loaded tables where we pass a valid
     * address to the AML.
     */
    if (AcpiGbl_DbOpt_NoRegionSupport)
    {
        BufferValue = ACPI_TO_POINTER (Address);
        ByteWidth = (BitWidth / 8);

        if (BitWidth % 8)
        {
            ByteWidth += 1;
        }
        goto DoFunction;
    }

    /*
     * Find the region's address space and length before searching
     * the linked list.
     */
    BaseAddress = RegionObject->Region.Address;
    Length = (ACPI_SIZE) RegionObject->Region.Length;
    SpaceId = RegionObject->Region.SpaceId;

    ACPI_DEBUG_PRINT ((ACPI_DB_OPREGION, "Operation Region request on %s at 0x%X\n",
            AcpiUtGetRegionName (RegionObject->Region.SpaceId),
            (UINT32) Address));

    switch (SpaceId)
    {
    case ACPI_ADR_SPACE_SYSTEM_IO:
        /*
         * For I/O space, exercise the port validation
         */
        switch (Function & ACPI_IO_MASK)
        {
        case ACPI_READ:
            Status = AcpiHwReadPort (Address, (UINT32 *) Value, BitWidth);
            break;

        case ACPI_WRITE:
            Status = AcpiHwWritePort (Address, (UINT32) *Value, BitWidth);
            break;

        default:
            Status = AE_BAD_PARAMETER;
            break;
        }

        if (ACPI_FAILURE (Status))
        {
            return (Status);
        }

        /* Now go ahead and simulate the hardware */
        break;


    case ACPI_ADR_SPACE_SMBUS:

        Length = 0;

        switch (Function & ACPI_IO_MASK)
        {
        case ACPI_READ:
            switch (Function >> 16)
            {
            case AML_FIELD_ATTRIB_SMB_QUICK:
            case AML_FIELD_ATTRIB_SMB_SEND_RCV:
            case AML_FIELD_ATTRIB_SMB_BYTE:
                Length = 1;
                break;

            case AML_FIELD_ATTRIB_SMB_WORD:
            case AML_FIELD_ATTRIB_SMB_WORD_CALL:
                Length = 2;
                break;

            case AML_FIELD_ATTRIB_SMB_BLOCK:
            case AML_FIELD_ATTRIB_SMB_BLOCK_CALL:
                Length = 32;
                break;

            default:
                break;
            }
            break;

        case ACPI_WRITE:
            switch (Function >> 16)
            {
            case AML_FIELD_ATTRIB_SMB_QUICK:
            case AML_FIELD_ATTRIB_SMB_SEND_RCV:
            case AML_FIELD_ATTRIB_SMB_BYTE:
            case AML_FIELD_ATTRIB_SMB_WORD:
            case AML_FIELD_ATTRIB_SMB_BLOCK:
                Length = 0;
                break;

            case AML_FIELD_ATTRIB_SMB_WORD_CALL:
                Length = 2;
                break;

            case AML_FIELD_ATTRIB_SMB_BLOCK_CALL:
                Length = 32;
                break;

            default:
                break;
            }
            break;

        default:
            break;
        }

        for (i = 0; i < Length; i++)
        {
            Buffer[i+2] = (UINT8) (0xA0 + i);
        }

        Buffer[0] = 0x7A;
        Buffer[1] = (UINT8) Length;
        return (AE_OK);


    case ACPI_ADR_SPACE_IPMI: /* ACPI 4.0 */

        AcpiOsPrintf ("AcpiExec: Received IPMI request: "
            "Address %X BaseAddress %X Length %X Width %X BufferLength %u\n",
            (UINT32) Address, (UINT32) BaseAddress,
            Length, BitWidth, Buffer[1]);

        /*
         * Regardless of a READ or WRITE, this handler is passed a 66-byte
         * buffer in which to return the IPMI status/length/data.
         *
         * Return some example data to show use of the bidirectional buffer
         */
        Buffer[0] = 0;       /* Status byte */
        Buffer[1] = 64;      /* Return buffer data length */
        Buffer[2] = 0;       /* Completion code */
        Buffer[3] = 0x34;    /* Power measurement */
        Buffer[4] = 0x12;    /* Power measurement */
        Buffer[65] = 0xEE;   /* last buffer byte */
        return (AE_OK);

    default:
        break;
    }

    /*
     * Search through the linked list for this region's buffer
     */
    BufferExists = FALSE;
    RegionElement = AeRegions.RegionList;

    if (AeRegions.NumberOfRegions)
    {
        while (!BufferExists && RegionElement)
        {
            if (RegionElement->Address == BaseAddress &&
                RegionElement->Length == Length &&
                RegionElement->SpaceId == SpaceId)
            {
                BufferExists = TRUE;
            }
            else
            {
                RegionElement = RegionElement->NextRegion;
            }
        }
    }

    /*
     * If the Region buffer does not exist, create it now
     */
    if (!BufferExists)
    {
        /*
         * Do the memory allocations first
         */
        RegionElement = AcpiOsAllocate (sizeof (AE_REGION));
        if (!RegionElement)
        {
            return AE_NO_MEMORY;
        }

        RegionElement->Buffer = AcpiOsAllocate (Length);
        if (!RegionElement->Buffer)
        {
            AcpiOsFree (RegionElement);
            return AE_NO_MEMORY;
        }

        /* Initialize the region with the default fill value */

        ACPI_MEMSET (RegionElement->Buffer, AcpiGbl_RegionFillValue, Length);

        RegionElement->Address      = BaseAddress;
        RegionElement->Length       = Length;
        RegionElement->SpaceId      = SpaceId;
        RegionElement->NextRegion   = NULL;

        /*
         * Increment the number of regions and put this one
         *  at the head of the list as it will probably get accessed
         *  more often anyway.
         */
        AeRegions.NumberOfRegions += 1;

        if (AeRegions.RegionList)
        {
            RegionElement->NextRegion = AeRegions.RegionList;
        }

        AeRegions.RegionList = RegionElement;
    }

    /*
     * Calculate the size of the memory copy
     */
    ByteWidth = (BitWidth / 8);

    if (BitWidth % 8)
    {
        ByteWidth += 1;
    }

    /*
     * The buffer exists and is pointed to by RegionElement.
     * We now need to verify the request is valid and perform the operation.
     *
     * NOTE: RegionElement->Length is in bytes, therefore it we compare against
     * ByteWidth (see above)
     */
    if (((UINT64) Address + ByteWidth) >
        ((UINT64)(RegionElement->Address) + RegionElement->Length))
    {
        ACPI_WARNING ((AE_INFO,
            "Request on [%4.4s] is beyond region limit Req-0x%X+0x%X, Base=0x%X, Len-0x%X",
            (RegionObject->Region.Node)->Name.Ascii, (UINT32) Address,
            ByteWidth, (UINT32)(RegionElement->Address),
            RegionElement->Length));

        return AE_AML_REGION_LIMIT;
    }

    /*
     * Get BufferValue to point to the "address" in the buffer
     */
    BufferValue = ((UINT8 *) RegionElement->Buffer +
                    ((UINT64) Address - (UINT64) RegionElement->Address));

DoFunction:

    /*
     * Perform a read or write to the buffer space
     */
    switch (Function)
    {
    case ACPI_READ:
        /*
         * Set the pointer Value to whatever is in the buffer
         */
        ACPI_MEMCPY (Value, BufferValue, ByteWidth);
        break;

    case ACPI_WRITE:
        /*
         * Write the contents of Value to the buffer
         */
        ACPI_MEMCPY (BufferValue, Value, ByteWidth);
        break;

    default:
        return AE_BAD_PARAMETER;
    }
    return AE_OK;
}
Example #24
0
static void
OpnDoDefinitionBlock (
    ACPI_PARSE_OBJECT       *Op)
{
    ACPI_PARSE_OBJECT       *Child;
    ACPI_SIZE               Length;
    ACPI_NATIVE_UINT        i;


    /*
     * These nodes get stuffed into the table header.  They are special
     * cased when the table is written to the output file.
     *
     * Mark all of these nodes as non-usable so they won't get output
     * as AML opcodes!
     */

    /* Get AML filename. Use it if non-null */

    Child = Op->Asl.Child;
    if (Child->Asl.Value.Buffer  &&
        *Child->Asl.Value.Buffer &&
        (Gbl_UseDefaultAmlFilename))
    {
        Gbl_OutputFilenamePrefix = (char *) Child->Asl.Value.Buffer;
    }
    Child->Asl.ParseOpcode = PARSEOP_DEFAULT_ARG;

    /* Signature */

    Child = Child->Asl.Next;
    Child->Asl.ParseOpcode = PARSEOP_DEFAULT_ARG;
    if (Child->Asl.Value.String)
    {
        Gbl_TableSignature = Child->Asl.Value.String;
        if (ACPI_STRLEN (Gbl_TableSignature) != 4)
        {
            AslError (ASL_ERROR, ASL_MSG_TABLE_SIGNATURE, Child,
                "Length not exactly 4");
        }

        for (i = 0; i < 4; i++)
        {
            if (!isalnum (Gbl_TableSignature[i]))
            {
                AslError (ASL_ERROR, ASL_MSG_TABLE_SIGNATURE, Child,
                    "Contains non-alphanumeric characters");
            }
        }
    }

    /* Revision */

    Child = Child->Asl.Next;
    Child->Asl.ParseOpcode = PARSEOP_DEFAULT_ARG;
    /*
     * We used the revision to set the integer width earlier
     */

    /* OEMID */

    Child = Child->Asl.Next;
    Child->Asl.ParseOpcode = PARSEOP_DEFAULT_ARG;

    /* OEM TableID */

    Child = Child->Asl.Next;
    Child->Asl.ParseOpcode = PARSEOP_DEFAULT_ARG;
    if (Child->Asl.Value.String)
    {
        Length = ACPI_STRLEN (Child->Asl.Value.String);
        Gbl_TableId = AcpiOsAllocate (Length + 1);
        ACPI_STRCPY (Gbl_TableId, Child->Asl.Value.String);

        for (i = 0; i < Length; i++)
        {
            if (Gbl_TableId[i] == ' ')
            {
                Gbl_TableId[i] = 0;
                break;
            }
        }
    }

    /* OEM Revision */

    Child = Child->Asl.Next;
    Child->Asl.ParseOpcode = PARSEOP_DEFAULT_ARG;
}
Example #25
0
ACPI_STATUS
AcpiUtInitializeBuffer (
    ACPI_BUFFER             *Buffer,
    ACPI_SIZE               RequiredLength)
{
    ACPI_SIZE               InputBufferLength;


    /* Parameter validation */

    if (!Buffer || !RequiredLength)
    {
        return (AE_BAD_PARAMETER);
    }

    /*
     * Buffer->Length is used as both an input and output parameter. Get the
     * input actual length and set the output required buffer length.
     */
    InputBufferLength = Buffer->Length;
    Buffer->Length = RequiredLength;

    /*
     * The input buffer length contains the actual buffer length, or the type
     * of buffer to be allocated by this routine.
     */
    switch (InputBufferLength)
    {
    case ACPI_NO_BUFFER:

        /* Return the exception (and the required buffer length) */

        return (AE_BUFFER_OVERFLOW);

    case ACPI_ALLOCATE_BUFFER:
        /*
         * Allocate a new buffer. We directectly call AcpiOsAllocate here to
         * purposefully bypass the (optionally enabled) internal allocation
         * tracking mechanism since we only want to track internal
         * allocations. Note: The caller should use AcpiOsFree to free this
         * buffer created via ACPI_ALLOCATE_BUFFER.
         */
        Buffer->Pointer = AcpiOsAllocate (RequiredLength);
        break;

    case ACPI_ALLOCATE_LOCAL_BUFFER:

        /* Allocate a new buffer with local interface to allow tracking */

        Buffer->Pointer = ACPI_ALLOCATE (RequiredLength);
        break;

    default:

        /* Existing buffer: Validate the size of the buffer */

        if (InputBufferLength < RequiredLength)
        {
            return (AE_BUFFER_OVERFLOW);
        }
        break;
    }

    /* Validate allocation from above or input buffer pointer */

    if (!Buffer->Pointer)
    {
        return (AE_NO_MEMORY);
    }

    /* Have a valid buffer, clear it */

    ACPI_MEMSET (Buffer->Pointer, 0, RequiredLength);
    return (AE_OK);
}
Example #26
0
ACPI_TABLE_HEADER *
OsGetTable (
    char                *Signature)
{
    HKEY                Handle = NULL;
    ULONG               i;
    LONG                Status;
    ULONG               Type;
    ULONG               NameSize;
    ULONG               DataSize;
    HKEY                SubKey;
    ACPI_TABLE_HEADER   *ReturnTable;


    /* Get a handle to the table key */

    while (1)
    {
        ACPI_STRCPY (KeyBuffer, "HARDWARE\\ACPI\\");
        ACPI_STRCAT (KeyBuffer, Signature);

        Status = RegOpenKeyEx (HKEY_LOCAL_MACHINE, KeyBuffer,
                    0L, KEY_ALL_ACCESS, &Handle);

        if (Status != ERROR_SUCCESS)
        {
            /*
             * Somewhere along the way, MS changed the registry entry for
             * the FADT from
             * HARDWARE/ACPI/FACP  to
             * HARDWARE/ACPI/FADT.
             *
             * This code allows for both.
             */
            if (ACPI_COMPARE_NAME (Signature, "FACP"))
            {
                Signature = "FADT";
            }
            else
            {
                AcpiOsPrintf ("Could not find %s in registry at %s\n",
                    Signature, KeyBuffer);
                return (NULL);
            }
        }
        else
        {
            break;
        }
    }

    /* Actual data for table is down a couple levels */

    for (i = 0; ;)
    {
        Status = RegEnumKey (Handle, i, KeyBuffer, sizeof (KeyBuffer));
        i += 1;
        if (Status == ERROR_NO_MORE_ITEMS)
        {
            break;
        }

        Status = RegOpenKey (Handle, KeyBuffer, &SubKey);
        if (Status != ERROR_SUCCESS)
        {
            AcpiOsPrintf ("Could not open %s entry\n", Signature);
            return (NULL);
        }

        RegCloseKey (Handle);
        Handle = SubKey;
        i = 0;
    }

    /* Find the (binary) table entry */

    for (i = 0; ;)
    {
        NameSize = sizeof (KeyBuffer);
        Status = RegEnumValue (Handle, i, KeyBuffer, &NameSize,
                    NULL, &Type, NULL, 0);
        if (Status != ERROR_SUCCESS)
        {
            AcpiOsPrintf ("Could not get %s registry entry\n", Signature);
            return (NULL);
        }

        if (Type == REG_BINARY)
        {
            break;
        }
        i += 1;
    }

    /* Get the size of the table */

    Status = RegQueryValueEx (Handle, KeyBuffer, NULL, NULL, NULL, &DataSize);
    if (Status != ERROR_SUCCESS)
    {
        AcpiOsPrintf ("Could not read the %s table size\n", Signature);
        return (NULL);
    }

    /* Allocate a new buffer for the table */

    ReturnTable = AcpiOsAllocate (DataSize);
    if (!ReturnTable)
    {
        goto Cleanup;
    }

    /* Get the actual table from the registry */

    Status = RegQueryValueEx (Handle, KeyBuffer, NULL, NULL,
                (UCHAR *) ReturnTable, &DataSize);
    if (Status != ERROR_SUCCESS)
    {
        AcpiOsPrintf ("Could not read %s data\n", Signature);
        AcpiOsFree (ReturnTable);
        return (NULL);
    }

Cleanup:
    RegCloseKey (Handle);
    return (ReturnTable);
}
Example #27
0
ACPI_STATUS
AeBuildLocalTables (
    ACPI_NEW_TABLE_DESC     *ListHead)
{
    UINT32                  TableCount = 1;
    ACPI_PHYSICAL_ADDRESS   DsdtAddress = 0;
    UINT32                  XsdtSize;
    ACPI_NEW_TABLE_DESC     *NextTable;
    UINT32                  NextIndex;
    ACPI_TABLE_FADT         *ExternalFadt = NULL;


    /*
     * Update the table count. For the DSDT, it is not put into the XSDT.
     * For the FADT, this table is already accounted for since we usually
     * install a local FADT.
     */
    NextTable = ListHead;
    while (NextTable)
    {
        if (!ACPI_COMPARE_NAME (NextTable->Table->Signature, ACPI_SIG_DSDT) &&
            !ACPI_COMPARE_NAME (NextTable->Table->Signature, ACPI_SIG_FADT))
        {
            TableCount++;
        }

        NextTable = NextTable->Next;
    }

    XsdtSize = (((TableCount + 1) * sizeof (UINT64)) +
        sizeof (ACPI_TABLE_HEADER));
    if (AcpiGbl_LoadTestTables)
    {
        XsdtSize += BASE_XSDT_SIZE;
    }

    /* Build an XSDT */

    LocalXSDT = AcpiOsAllocate (XsdtSize);
    if (!LocalXSDT)
    {
        return (AE_NO_MEMORY);
    }

    memset (LocalXSDT, 0, XsdtSize);
    LocalXSDT->TableOffsetEntry[0] = ACPI_PTR_TO_PHYSADDR (&LocalFADT);
    NextIndex = 1;

    /*
     * Install the user tables. The DSDT must be installed in the FADT.
     * All other tables are installed directly into the XSDT.
     */
    NextTable = ListHead;
    while (NextTable)
    {
        /*
         * Incoming DSDT or FADT are special cases. All other tables are
         * just immediately installed into the XSDT.
         */
        if (ACPI_COMPARE_NAME (NextTable->Table->Signature, ACPI_SIG_DSDT))
        {
            if (DsdtAddress)
            {
                printf ("Already found a DSDT, only one allowed\n");
                return (AE_ALREADY_EXISTS);
            }

            /* The incoming user table is a DSDT */

            DsdtAddress = ACPI_PTR_TO_PHYSADDR (NextTable->Table);
            DsdtToInstallOverride = NextTable->Table;
        }
        else if (ACPI_COMPARE_NAME (NextTable->Table->Signature, ACPI_SIG_FADT))
        {
            ExternalFadt = ACPI_CAST_PTR (ACPI_TABLE_FADT, NextTable->Table);
            LocalXSDT->TableOffsetEntry[0] = ACPI_PTR_TO_PHYSADDR (NextTable->Table);
        }
        else
        {
            /* Install the table in the XSDT */

            LocalXSDT->TableOffsetEntry[NextIndex] =
                ACPI_PTR_TO_PHYSADDR (NextTable->Table);
            NextIndex++;
        }

        NextTable = NextTable->Next;
    }

    /* Install the optional extra local tables */

    if (AcpiGbl_LoadTestTables)
    {
        LocalXSDT->TableOffsetEntry[NextIndex++] = ACPI_PTR_TO_PHYSADDR (&LocalTEST);
        LocalXSDT->TableOffsetEntry[NextIndex++] = ACPI_PTR_TO_PHYSADDR (&LocalBADTABLE);

        /* Install two SSDTs to test multiple table support */

        LocalXSDT->TableOffsetEntry[NextIndex++] = ACPI_PTR_TO_PHYSADDR (&Ssdt1Code);
        LocalXSDT->TableOffsetEntry[NextIndex++] = ACPI_PTR_TO_PHYSADDR (&Ssdt2Code);

        /* Install the OEM1 table to test LoadTable */

        LocalXSDT->TableOffsetEntry[NextIndex++] = ACPI_PTR_TO_PHYSADDR (&Oem1Code);

        /* Install the OEMx table to test LoadTable */

        LocalXSDT->TableOffsetEntry[NextIndex++] = ACPI_PTR_TO_PHYSADDR (&OemxCode);

         /* Install the ECDT table to test _REG */

        LocalXSDT->TableOffsetEntry[NextIndex++] = ACPI_PTR_TO_PHYSADDR (&EcdtCode);

        /* Install two UEFIs to test multiple table support */

        LocalXSDT->TableOffsetEntry[NextIndex++] = ACPI_PTR_TO_PHYSADDR (&Uefi1Code);
        LocalXSDT->TableOffsetEntry[NextIndex++] = ACPI_PTR_TO_PHYSADDR (&Uefi2Code);
    }

    /* Build an RSDP. Contains a valid XSDT only, no RSDT */

    memset (&LocalRSDP, 0, sizeof (ACPI_TABLE_RSDP));
    ACPI_MAKE_RSDP_SIG (LocalRSDP.Signature);
    memcpy (LocalRSDP.OemId, "Intel", 6);

    LocalRSDP.Revision = 2;
    LocalRSDP.XsdtPhysicalAddress = ACPI_PTR_TO_PHYSADDR (LocalXSDT);
    LocalRSDP.Length = sizeof (ACPI_TABLE_RSDP);

    /* Set checksums for both XSDT and RSDP */

    AeInitializeTableHeader ((void *) LocalXSDT, ACPI_SIG_XSDT, XsdtSize);

    LocalRSDP.Checksum = 0;
    LocalRSDP.Checksum = (UINT8) -AcpiTbChecksum (
        (void *) &LocalRSDP, ACPI_RSDP_CHECKSUM_LENGTH);

    if (!DsdtAddress)
    {
        /* Use the local DSDT because incoming table(s) are all SSDT(s) */

        DsdtAddress = ACPI_PTR_TO_PHYSADDR (LocalDsdtCode);
        DsdtToInstallOverride = ACPI_CAST_PTR (ACPI_TABLE_HEADER, LocalDsdtCode);
    }

    /*
     * Build an FADT. There are three options for the FADT:
     * 1) Incoming external FADT specified on the command line
     * 2) A "hardware reduced" local FADT
     * 3) A fully featured local FADT
     */
    memset (&LocalFADT, 0, sizeof (ACPI_TABLE_FADT));

    if (ExternalFadt)
    {
        /*
         * Use the external FADT, but we must update the DSDT/FACS
         * addresses as well as the checksum
         */
        ExternalFadt->Dsdt = (UINT32) DsdtAddress;
        if (!AcpiGbl_ReducedHardware)
        {
            ExternalFadt->Facs = ACPI_PTR_TO_PHYSADDR (&LocalFACS);
        }

        /*
         * If there room in the FADT for the XDsdt and XFacs 64-bit
         * pointers, use them.
         */
        if (ExternalFadt->Header.Length > ACPI_PTR_DIFF (
            &ExternalFadt->XDsdt, ExternalFadt))
        {
            ExternalFadt->Dsdt = 0;
            ExternalFadt->Facs = 0;

            ExternalFadt->XDsdt = DsdtAddress;
            if (!AcpiGbl_ReducedHardware)
            {
                ExternalFadt->XFacs = ACPI_PTR_TO_PHYSADDR (&LocalFACS);
            }
        }

        /* Complete the external FADT with the checksum */

        ExternalFadt->Header.Checksum = 0;
        ExternalFadt->Header.Checksum = (UINT8) -AcpiTbChecksum (
            (void *) ExternalFadt, ExternalFadt->Header.Length);
    }
    else if (AcpiGbl_UseHwReducedFadt)
    {
        memcpy (&LocalFADT, HwReducedFadtCode, ACPI_FADT_V5_SIZE);
        LocalFADT.Dsdt = 0;
        LocalFADT.XDsdt = DsdtAddress;
    }
    else
    {
        /*
         * Build a local FADT so we can test the hardware/event init
         */
        LocalFADT.Header.Revision = 5;

        /* Setup FADT header and DSDT/FACS addresses */

        LocalFADT.Dsdt = 0;
        LocalFADT.Facs = 0;

        LocalFADT.XDsdt = DsdtAddress;
        LocalFADT.XFacs = ACPI_PTR_TO_PHYSADDR (&LocalFACS);

        /* Miscellaneous FADT fields */

        LocalFADT.Gpe0BlockLength = 0x08;
        LocalFADT.Gpe0Block = 0x00001234;

        LocalFADT.Gpe1BlockLength = 0x80;
        LocalFADT.Gpe1Block = 0x00005678;
        LocalFADT.Gpe1Base = 100;

        LocalFADT.Pm1EventLength = 4;
        LocalFADT.Pm1aEventBlock = 0x00001aaa;
        LocalFADT.Pm1bEventBlock = 0x00001bbb;

        LocalFADT.Pm1ControlLength = 2;
        LocalFADT.Pm1aControlBlock = 0xB0;

        LocalFADT.PmTimerLength = 4;
        LocalFADT.PmTimerBlock = 0xA0;

        LocalFADT.Pm2ControlBlock = 0xC0;
        LocalFADT.Pm2ControlLength = 1;

        /* Setup one example X-64 GAS field */

        LocalFADT.XPm1bEventBlock.SpaceId = ACPI_ADR_SPACE_SYSTEM_IO;
        LocalFADT.XPm1bEventBlock.Address = LocalFADT.Pm1bEventBlock;
        LocalFADT.XPm1bEventBlock.BitWidth = (UINT8)
            ACPI_MUL_8 (LocalFADT.Pm1EventLength);
    }

    AeInitializeTableHeader ((void *) &LocalFADT,
        ACPI_SIG_FADT, sizeof (ACPI_TABLE_FADT));

    /* Build a FACS */

    memset (&LocalFACS, 0, sizeof (ACPI_TABLE_FACS));
    ACPI_MOVE_NAME (LocalFACS.Signature, ACPI_SIG_FACS);

    LocalFACS.Length = sizeof (ACPI_TABLE_FACS);
    LocalFACS.GlobalLock = 0x11AA0011;

    /* Build the optional local tables */

    if (AcpiGbl_LoadTestTables)
    {
        /*
         * Build a fake table [TEST] so that we make sure that the
         * ACPICA core ignores it
         */
        memset (&LocalTEST, 0, sizeof (ACPI_TABLE_HEADER));
        ACPI_MOVE_NAME (LocalTEST.Signature, "TEST");

        LocalTEST.Revision = 1;
        LocalTEST.Length = sizeof (ACPI_TABLE_HEADER);

        LocalTEST.Checksum = 0;
        LocalTEST.Checksum = (UINT8) -AcpiTbChecksum (
            (void *) &LocalTEST, LocalTEST.Length);

        /*
         * Build a fake table with a bad signature [BAD!] so that we make
         * sure that the ACPICA core ignores it
         */
        memset (&LocalBADTABLE, 0, sizeof (ACPI_TABLE_HEADER));
        ACPI_MOVE_NAME (LocalBADTABLE.Signature, "BAD!");

        LocalBADTABLE.Revision = 1;
        LocalBADTABLE.Length = sizeof (ACPI_TABLE_HEADER);

        LocalBADTABLE.Checksum = 0;
        LocalBADTABLE.Checksum = (UINT8) -AcpiTbChecksum (
            (void *) &LocalBADTABLE, LocalBADTABLE.Length);
    }

    return (AE_OK);
}
static int
NsDumpEntireNamespace (
    char                    *AmlFilename)
{
    ACPI_STATUS             Status;
    ACPI_TABLE_HEADER       *Table = NULL;
    UINT32                  TableCount = 0;
    AE_TABLE_DESC           *TableDesc;
    ACPI_HANDLE             Handle;


    /* Open the binary AML file and read the entire table */

    Status = AcpiUtReadTableFromFile (AmlFilename, &Table);
    if (ACPI_FAILURE (Status))
    {
        printf ("**** Could not get input table %s, %s\n", AmlFilename,
            AcpiFormatException (Status));
        return (-1);
    }

    /* Table must be a DSDT. SSDTs are not currently supported */

    if (!ACPI_COMPARE_NAME (Table->Signature, ACPI_SIG_DSDT))
    {
        printf ("**** Input table signature is [%4.4s], must be [DSDT]\n",
            Table->Signature);
        return (-1);
    }

    /*
     * Allocate and link a table descriptor (allows for future expansion to
     * multiple input files)
     */
    TableDesc = AcpiOsAllocate (sizeof (AE_TABLE_DESC));
    TableDesc->Table = Table;
    TableDesc->Next = AeTableListHead;
    AeTableListHead = TableDesc;

    TableCount++;

    /*
     * Build a local XSDT with all tables. Normally, here is where the
     * RSDP search is performed to find the ACPI tables
     */
    Status = AeBuildLocalTables (TableCount, AeTableListHead);
    if (ACPI_FAILURE (Status))
    {
        return (-1);
    }

    /* Initialize table manager, get XSDT */

    Status = AcpiInitializeTables (Tables, ACPI_MAX_INIT_TABLES, TRUE);
    if (ACPI_FAILURE (Status))
    {
        printf ("**** Could not initialize ACPI table manager, %s\n",
            AcpiFormatException (Status));
        return (-1);
    }

    /* Reallocate root table to dynamic memory */

    Status = AcpiReallocateRootTable ();
    if (ACPI_FAILURE (Status))
    {
        printf ("**** Could not reallocate root table, %s\n",
            AcpiFormatException (Status));
        return (-1);
    }

    /* Load the ACPI namespace */

    Status = AcpiLoadTables ();
    if (ACPI_FAILURE (Status))
    {
        printf ("**** Could not load ACPI tables, %s\n",
            AcpiFormatException (Status));
        return (-1);
    }

    /*
     * Enable ACPICA. These calls don't do much for this
     * utility, since we only dump the namespace. There is no
     * hardware or event manager code underneath.
     */
    Status = AcpiEnableSubsystem (
                ACPI_NO_ACPI_ENABLE |
                ACPI_NO_ADDRESS_SPACE_INIT |
                ACPI_NO_EVENT_INIT |
                ACPI_NO_HANDLER_INIT);
    if (ACPI_FAILURE (Status))
    {
        printf ("**** Could not EnableSubsystem, %s\n",
            AcpiFormatException (Status));
        return (-1);
    }

    Status = AcpiInitializeObjects (
                ACPI_NO_ADDRESS_SPACE_INIT |
                ACPI_NO_DEVICE_INIT |
                ACPI_NO_EVENT_INIT);
    if (ACPI_FAILURE (Status))
    {
        printf ("**** Could not InitializeObjects, %s\n",
            AcpiFormatException (Status));
        return (-1);
    }

    /*
     * Perform a namespace walk to dump the contents
     */
    AcpiOsPrintf ("\nACPI Namespace:\n");

    AcpiNsDumpObjects (ACPI_TYPE_ANY, ACPI_DISPLAY_SUMMARY, ACPI_UINT32_MAX,
        ACPI_OWNER_ID_MAX, AcpiGbl_RootNode);


    /* Example: get a handle to the _GPE scope */

    Status = AcpiGetHandle (NULL, "\\_GPE", &Handle);
    AE_CHECK_OK (AcpiGetHandle, Status);

    return (0);
}
Example #29
0
void
AcpiDbCreateExecutionThreads (
    char                    *NumThreadsArg,
    char                    *NumLoopsArg,
    char                    *MethodNameArg)
{
    ACPI_STATUS             Status;
    UINT32                  NumThreads;
    UINT32                  NumLoops;
    UINT32                  i;
    UINT32                  Size;
    ACPI_MUTEX              MainThreadGate;
    ACPI_MUTEX              ThreadCompleteGate;
    ACPI_MUTEX              InfoGate;


    /* Get the arguments */

    NumThreads = ACPI_STRTOUL (NumThreadsArg, NULL, 0);
    NumLoops   = ACPI_STRTOUL (NumLoopsArg, NULL, 0);

    if (!NumThreads || !NumLoops)
    {
        AcpiOsPrintf ("Bad argument: Threads %X, Loops %X\n",
            NumThreads, NumLoops);
        return;
    }

    /*
     * Create the semaphore for synchronization of
     * the created threads with the main thread.
     */
    Status = AcpiOsCreateSemaphore (1, 0, &MainThreadGate);
    if (ACPI_FAILURE (Status))
    {
        AcpiOsPrintf ("Could not create semaphore for synchronization with the main thread, %s\n",
            AcpiFormatException (Status));
        return;
    }

    /*
     * Create the semaphore for synchronization
     * between the created threads.
     */
    Status = AcpiOsCreateSemaphore (1, 1, &ThreadCompleteGate);
    if (ACPI_FAILURE (Status))
    {
        AcpiOsPrintf ("Could not create semaphore for synchronization between the created threads, %s\n",
            AcpiFormatException (Status));
        (void) AcpiOsDeleteSemaphore (MainThreadGate);
        return;
    }

    Status = AcpiOsCreateSemaphore (1, 1, &InfoGate);
    if (ACPI_FAILURE (Status))
    {
        AcpiOsPrintf ("Could not create semaphore for synchronization of AcpiGbl_DbMethodInfo, %s\n",
            AcpiFormatException (Status));
        (void) AcpiOsDeleteSemaphore (ThreadCompleteGate);
        (void) AcpiOsDeleteSemaphore (MainThreadGate);
        return;
    }

    ACPI_MEMSET (&AcpiGbl_DbMethodInfo, 0, sizeof (ACPI_DB_METHOD_INFO));

    /* Array to store IDs of threads */

    AcpiGbl_DbMethodInfo.NumThreads = NumThreads;
    Size = sizeof (ACPI_THREAD_ID) * AcpiGbl_DbMethodInfo.NumThreads;
    AcpiGbl_DbMethodInfo.Threads = AcpiOsAllocate (Size);
    if (AcpiGbl_DbMethodInfo.Threads == NULL)
    {
        AcpiOsPrintf ("No memory for thread IDs array\n");
        (void) AcpiOsDeleteSemaphore (MainThreadGate);
        (void) AcpiOsDeleteSemaphore (ThreadCompleteGate);
        (void) AcpiOsDeleteSemaphore (InfoGate);
        return;
    }
    ACPI_MEMSET (AcpiGbl_DbMethodInfo.Threads, 0, Size);

    /* Setup the context to be passed to each thread */

    AcpiGbl_DbMethodInfo.Name = MethodNameArg;
    AcpiGbl_DbMethodInfo.Flags = 0;
    AcpiGbl_DbMethodInfo.NumLoops = NumLoops;
    AcpiGbl_DbMethodInfo.MainThreadGate = MainThreadGate;
    AcpiGbl_DbMethodInfo.ThreadCompleteGate = ThreadCompleteGate;
    AcpiGbl_DbMethodInfo.InfoGate = InfoGate;

    /* Init arguments to be passed to method */

    AcpiGbl_DbMethodInfo.InitArgs = 1;
    AcpiGbl_DbMethodInfo.Args = AcpiGbl_DbMethodInfo.Arguments;
    AcpiGbl_DbMethodInfo.Arguments[0] = AcpiGbl_DbMethodInfo.NumThreadsStr;
    AcpiGbl_DbMethodInfo.Arguments[1] = AcpiGbl_DbMethodInfo.IdOfThreadStr;
    AcpiGbl_DbMethodInfo.Arguments[2] = AcpiGbl_DbMethodInfo.IndexOfThreadStr;
    AcpiGbl_DbMethodInfo.Arguments[3] = NULL;

    AcpiGbl_DbMethodInfo.Types = AcpiGbl_DbMethodInfo.ArgTypes;
    AcpiGbl_DbMethodInfo.ArgTypes[0] = ACPI_TYPE_INTEGER;
    AcpiGbl_DbMethodInfo.ArgTypes[1] = ACPI_TYPE_INTEGER;
    AcpiGbl_DbMethodInfo.ArgTypes[2] = ACPI_TYPE_INTEGER;

    AcpiDbUint32ToHexString (NumThreads, AcpiGbl_DbMethodInfo.NumThreadsStr);

    Status = AcpiDbExecuteSetup (&AcpiGbl_DbMethodInfo);
    if (ACPI_FAILURE (Status))
    {
        goto CleanupAndExit;
    }

    /* Get the NS node, determines existence also */

    Status = AcpiGetHandle (NULL, AcpiGbl_DbMethodInfo.Pathname,
        &AcpiGbl_DbMethodInfo.Method);
    if (ACPI_FAILURE (Status))
    {
        AcpiOsPrintf ("%s Could not get handle for %s\n",
            AcpiFormatException (Status), AcpiGbl_DbMethodInfo.Pathname);
        goto CleanupAndExit;
    }

    /* Create the threads */

    AcpiOsPrintf ("Creating %X threads to execute %X times each\n",
        NumThreads, NumLoops);

    for (i = 0; i < (NumThreads); i++)
    {
        Status = AcpiOsExecute (OSL_DEBUGGER_THREAD, AcpiDbMethodThread,
            &AcpiGbl_DbMethodInfo);
        if (ACPI_FAILURE (Status))
        {
            break;
        }
    }

    /* Wait for all threads to complete */

    (void) AcpiOsWaitSemaphore (MainThreadGate, 1, ACPI_WAIT_FOREVER);

    AcpiDbSetOutputDestination (ACPI_DB_DUPLICATE_OUTPUT);
    AcpiOsPrintf ("All threads (%X) have completed\n", NumThreads);
    AcpiDbSetOutputDestination (ACPI_DB_CONSOLE_OUTPUT);

CleanupAndExit:

    /* Cleanup and exit */

    (void) AcpiOsDeleteSemaphore (MainThreadGate);
    (void) AcpiOsDeleteSemaphore (ThreadCompleteGate);
    (void) AcpiOsDeleteSemaphore (InfoGate);

    AcpiOsFree (AcpiGbl_DbMethodInfo.Threads);
    AcpiGbl_DbMethodInfo.Threads = NULL;
}
Example #30
0
ACPI_STATUS
AeBuildLocalTables (
    UINT32                  TableCount,
    AE_TABLE_DESC           *TableList)
{
    ACPI_PHYSICAL_ADDRESS   DsdtAddress = 0;
    UINT32                  XsdtSize;
    AE_TABLE_DESC           *NextTable;
    UINT32                  NextIndex;
    ACPI_TABLE_FADT         *ExternalFadt = NULL;


    /*
     * Update the table count. For DSDT, it is not put into the XSDT. For
     * FADT, this is already accounted for since we usually install a
     * local FADT.
     */
    NextTable = TableList;
    while (NextTable)
    {
        if (ACPI_COMPARE_NAME (NextTable->Table->Signature, ACPI_SIG_DSDT) ||
            ACPI_COMPARE_NAME (NextTable->Table->Signature, ACPI_SIG_FADT))
        {
            TableCount--;
        }
        NextTable = NextTable->Next;
    }

    XsdtSize = BASE_XSDT_SIZE + (TableCount * sizeof (UINT64));

    /* Build an XSDT */

    LocalXSDT = AcpiOsAllocate (XsdtSize);
    if (!LocalXSDT)
    {
        return (AE_NO_MEMORY);
    }

    ACPI_MEMSET (LocalXSDT, 0, XsdtSize);
    ACPI_MOVE_NAME (LocalXSDT->Header.Signature, ACPI_SIG_XSDT);
    LocalXSDT->Header.Length = XsdtSize;
    LocalXSDT->Header.Revision = 1;

    LocalXSDT->TableOffsetEntry[0] = ACPI_PTR_TO_PHYSADDR (&LocalFADT);

    /*
     * Install the user tables. The DSDT must be installed in the FADT.
     * All other tables are installed directly into the XSDT.
     */
    NextIndex = BASE_XSDT_TABLES;
    NextTable = TableList;
    while (NextTable)
    {
        /*
         * Incoming DSDT or FADT are special cases. All other tables are
         * just immediately installed into the XSDT.
         */
        if (ACPI_COMPARE_NAME (NextTable->Table->Signature, ACPI_SIG_DSDT))
        {
            if (DsdtAddress)
            {
                printf ("Already found a DSDT, only one allowed\n");
                return (AE_ALREADY_EXISTS);
            }

            /* The incoming user table is a DSDT */

            DsdtAddress = ACPI_PTR_TO_PHYSADDR (NextTable->Table);
        }
        else if (ACPI_COMPARE_NAME (NextTable->Table->Signature, ACPI_SIG_FADT))
        {
            ExternalFadt = ACPI_CAST_PTR (ACPI_TABLE_FADT, NextTable->Table);
            LocalXSDT->TableOffsetEntry[2] = ACPI_PTR_TO_PHYSADDR (NextTable->Table);
        }
        else
        {
            /* Install the table in the XSDT */

            LocalXSDT->TableOffsetEntry[NextIndex] = ACPI_PTR_TO_PHYSADDR (NextTable->Table);
            NextIndex++;
        }

        NextTable = NextTable->Next;
    }

    /* Build an RSDP */

    ACPI_MEMSET (&LocalRSDP, 0, sizeof (ACPI_TABLE_RSDP));
    ACPI_MAKE_RSDP_SIG (LocalRSDP.Signature);
    ACPI_MEMCPY (LocalRSDP.OemId, "I_TEST", 6);
    LocalRSDP.Revision = 2;
    LocalRSDP.XsdtPhysicalAddress = ACPI_PTR_TO_PHYSADDR (LocalXSDT);
    LocalRSDP.Length = sizeof (ACPI_TABLE_XSDT);

    /* Set checksums for both XSDT and RSDP */

    LocalXSDT->Header.Checksum = (UINT8) -AcpiTbChecksum (
        (void *) LocalXSDT, LocalXSDT->Header.Length);
    LocalRSDP.Checksum = (UINT8) -AcpiTbChecksum (
        (void *) &LocalRSDP, ACPI_RSDP_CHECKSUM_LENGTH);

    if (!DsdtAddress)
    {
        return (AE_SUPPORT);
    }

    if (ExternalFadt)
    {
        /*
         * Use the external FADT, but we must update the DSDT/FACS addresses
         * as well as the checksum
         */
        ExternalFadt->Dsdt = DsdtAddress;
        ExternalFadt->Facs = ACPI_PTR_TO_PHYSADDR (&LocalFACS);

        if (ExternalFadt->Header.Length > ACPI_PTR_DIFF (&ExternalFadt->XDsdt, ExternalFadt))
        {
            ExternalFadt->XDsdt = DsdtAddress;
            ExternalFadt->XFacs = ACPI_PTR_TO_PHYSADDR (&LocalFACS);
        }
        /* Complete the FADT with the checksum */

        ExternalFadt->Header.Checksum = 0;
        ExternalFadt->Header.Checksum = (UINT8) -AcpiTbChecksum (
            (void *) ExternalFadt, ExternalFadt->Header.Length);
    }
    else
    {
        /*
         * Build a local FADT so we can test the hardware/event init
         */
        ACPI_MEMSET (&LocalFADT, 0, sizeof (ACPI_TABLE_FADT));
        ACPI_MOVE_NAME (LocalFADT.Header.Signature, ACPI_SIG_FADT);

        /* Setup FADT header and DSDT/FACS addresses */

        LocalFADT.Dsdt = 0;
        LocalFADT.Facs = 0;

        LocalFADT.XDsdt = DsdtAddress;
        LocalFADT.XFacs = ACPI_PTR_TO_PHYSADDR (&LocalFACS);

        LocalFADT.Header.Revision = 3;
        LocalFADT.Header.Length = sizeof (ACPI_TABLE_FADT);

        /* Miscellaneous FADT fields */

        LocalFADT.Gpe0BlockLength = 16;
        LocalFADT.Gpe0Block = 0x00001234;

        LocalFADT.Gpe1BlockLength = 6;
        LocalFADT.Gpe1Block = 0x00005678;
        LocalFADT.Gpe1Base = 96;

        LocalFADT.Pm1EventLength = 4;
        LocalFADT.Pm1aEventBlock = 0x00001aaa;
        LocalFADT.Pm1bEventBlock = 0x00001bbb;

        LocalFADT.Pm1ControlLength = 2;
        LocalFADT.Pm1aControlBlock = 0xB0;

        LocalFADT.PmTimerLength = 4;
        LocalFADT.PmTimerBlock = 0xA0;

        LocalFADT.Pm2ControlBlock = 0xC0;
        LocalFADT.Pm2ControlLength = 1;

        /* Setup one example X-64 field */

        LocalFADT.XPm1bEventBlock.SpaceId = ACPI_ADR_SPACE_SYSTEM_IO;
        LocalFADT.XPm1bEventBlock.Address = LocalFADT.Pm1bEventBlock;
        LocalFADT.XPm1bEventBlock.BitWidth = (UINT8) ACPI_MUL_8 (LocalFADT.Pm1EventLength);

        /* Complete the FADT with the checksum */

        LocalFADT.Header.Checksum = 0;
        LocalFADT.Header.Checksum = (UINT8) -AcpiTbChecksum (
            (void *) &LocalFADT, LocalFADT.Header.Length);
    }

    /* Build a FACS */

    ACPI_MEMSET (&LocalFACS, 0, sizeof (ACPI_TABLE_FACS));
    ACPI_MOVE_NAME (LocalFACS.Signature, ACPI_SIG_FACS);

    LocalFACS.Length = sizeof (ACPI_TABLE_FACS);
    LocalFACS.GlobalLock = 0x11AA0011;

    return (AE_OK);
}