ACPI_STATUS
AcpiDbFindNameInNamespace (
    char                    *NameArg)
{
    char                    AcpiName[5] = "____";
    char                    *AcpiNamePtr = AcpiName;


    if (strlen (NameArg) > 4)
    {
        AcpiOsPrintf ("Name must be no longer than 4 characters\n");
        return (AE_OK);
    }

    /* Pad out name with underscores as necessary to create a 4-char name */

    AcpiUtStrupr (NameArg);
    while (*NameArg)
    {
        *AcpiNamePtr = *NameArg;
        AcpiNamePtr++;
        NameArg++;
    }

    /* Walk the namespace from the root */

    (void) AcpiWalkNamespace (ACPI_TYPE_ANY, ACPI_ROOT_OBJECT, ACPI_UINT32_MAX,
                        AcpiDbWalkAndMatchName, NULL, AcpiName, NULL);

    AcpiDbSetOutputDestination (ACPI_DB_CONSOLE_OUTPUT);
    return (AE_OK);
}

void
AcpiDbExecuteTest (
    char                    *TypeArg)
{
    UINT32                  Temp;


    AcpiUtStrupr (TypeArg);
    Temp = AcpiDbMatchArgument (TypeArg, AcpiDbTestTypes);
    if (Temp == ACPI_TYPE_NOT_FOUND)
    {
        AcpiOsPrintf ("Invalid or unsupported argument\n");
        return;
    }

    switch (Temp)
    {
    case CMD_TEST_OBJECTS:

        AcpiDbTestAllObjects ();
        break;

    case CMD_TEST_PREDEFINED:

        AcpiDbEvaluateAllPredefinedNames (NULL);
        break;

    default:
        break;
    }
}

static BOOLEAN
OpcFindName (
    const char              **List,
    char                    *Name,
    UINT32                  *Index)
{
    const char              *NameString;
    UINT32                  i;


    AcpiUtStrupr (Name);

    for (i = 0, NameString = List[0];
            NameString;
            i++, NameString = List[i])
    {
        if (!(strncmp (NameString, Name, strlen (Name))))
        {
            *Index = i;
            return (TRUE);
        }
    }

    return (FALSE);
}

void
AhDisplayDeviceIds (
    char                    *Name)
{
    const AH_DEVICE_ID      *Info;
    UINT32                  Length;
    BOOLEAN                 Matched;
    UINT32                  i;
    BOOLEAN                 Found = FALSE;


    /* Null input name indicates "display all" */

    if (!Name || (Name[0] == '*'))
    {
        printf ("ACPI and PNP Device/Hardware IDs:\n\n");
        for (Info = AslDeviceIds; Info->Name; Info++)
        {
            printf ("%8s   %s\n", Info->Name, Info->Description);
        }

        return;
    }

    Length = strlen (Name);
    if (Length > 8)
    {
        printf ("%.8s: Hardware ID must be 8 characters maximum\n", Name);
        return;
    }

    /* Find/display all names that match the input name prefix */

    AcpiUtStrupr (Name);
    for (Info = AslDeviceIds; Info->Name; Info++)
    {
        Matched = TRUE;
        for (i = 0; i < Length; i++)
        {
            if (Info->Name[i] != Name[i])
            {
                Matched = FALSE;
                break;
            }
        }

        if (Matched)
        {
            Found = TRUE;
            printf ("%8s   %s\n", Info->Name, Info->Description);
        }
    }

    if (!Found)
    {
        printf ("%s, Hardware ID not found\n", Name);
    }
}

void
AhFindAmlOpcode (
    char                    *Name)
{
    const AH_AML_OPCODE     *Op;
    BOOLEAN                 Found = FALSE;


    AcpiUtStrupr (Name);

    /* Find/display all opcode names that match the input name prefix */

    for (Op = AmlOpcodeInfo; Op->OpcodeString; Op++)
    {
        if (!Op->OpcodeName) /* Unused opcodes */
        {
            continue;
        }

        if (!Name)
        {
            AhDisplayAmlOpcode (Op);
            Found = TRUE;
            continue;
        }

        /* Upper case the opcode name before substring compare */

        strcpy (Gbl_Buffer, Op->OpcodeName);
        AcpiUtStrupr (Gbl_Buffer);

        if (strstr (Gbl_Buffer, Name) == Gbl_Buffer)
        {
            AhDisplayAmlOpcode (Op);
            Found = TRUE;
        }
    }

    if (!Found)
    {
        printf ("%s, no matching AML operators\n", Name);
    }
}

UINT32
AhFindAslOperators (
    char                    *Name)
{
    const AH_ASL_OPERATOR   *Operator;
    BOOLEAN                 MatchCount = 0;


    AcpiUtStrupr (Name);

    /* Find/display all names that match the input name prefix */

    for (Operator = Gbl_AslOperatorInfo; Operator->Name; Operator++)
    {
        if (!Name || (Name[0] == '*'))
        {
            AhDisplayAslOperator (Operator);
            MatchCount++;
            continue;
        }

        /* Upper case the operator name before substring compare */

        strcpy (Gbl_Buffer, Operator->Name);
        AcpiUtStrupr (Gbl_Buffer);

        if (strstr (Gbl_Buffer, Name) == Gbl_Buffer)
        {
            AhDisplayAslOperator (Operator);
            MatchCount++;
        }
    }

    if (!MatchCount)
    {
        printf ("%s, no matching ASL operators\n", Name);
    }

    return (MatchCount);
}

void
AhFindAslKeywords (
    char                    *Name)
{
    const AH_ASL_KEYWORD    *Keyword;
    BOOLEAN                 Found = FALSE;


    AcpiUtStrupr (Name);

    for (Keyword = Gbl_AslKeywordInfo; Keyword->Name; Keyword++)
    {
        if (!Name || (Name[0] == '*'))
        {
            AhDisplayAslKeyword (Keyword);
            Found = TRUE;
            continue;
        }

        /* Upper case the operator name before substring compare */

        strcpy (Gbl_Buffer, Keyword->Name);
        AcpiUtStrupr (Gbl_Buffer);

        if (strstr (Gbl_Buffer, Name) == Gbl_Buffer)
        {
            AhDisplayAslKeyword (Keyword);
            Found = TRUE;
        }
    }

    if (!Found)
    {
        printf ("%s, no matching ASL keywords\n", Name);
    }
}

static UINT32
AcpiDbGetLine (
    char                    *InputBuffer)
{
    UINT32                  i;
    UINT32                  Count;
    char                    *Next;
    char                    *This;


    if (AcpiUtSafeStrcpy (AcpiGbl_DbParsedBuf, sizeof (AcpiGbl_DbParsedBuf),
        InputBuffer))
    {
        AcpiOsPrintf (
            "Buffer overflow while parsing input line (max %u characters)\n",
            sizeof (AcpiGbl_DbParsedBuf));
        return (0);
    }

    This = AcpiGbl_DbParsedBuf;
    for (i = 0; i < ACPI_DEBUGGER_MAX_ARGS; i++)
    {
        AcpiGbl_DbArgs[i] = AcpiDbGetNextToken (This, &Next,
            &AcpiGbl_DbArgTypes[i]);
        if (!AcpiGbl_DbArgs[i])
        {
            break;
        }

        This = Next;
    }

    /* Uppercase the actual command */

    if (AcpiGbl_DbArgs[0])
    {
        AcpiUtStrupr (AcpiGbl_DbArgs[0]);
    }

    Count = i;
    if (Count)
    {
        Count--;  /* Number of args only */
    }

    return (Count);
}

static UINT32
AcpiDbGetLine (
    char                    *InputBuffer)
{
    UINT32                  i;
    UINT32                  Count;
    char                    *Next;
    char                    *This;


    ACPI_STRCPY (AcpiGbl_DbParsedBuf, InputBuffer);

    This = AcpiGbl_DbParsedBuf;
    for (i = 0; i < ACPI_DEBUGGER_MAX_ARGS; i++)
    {
        AcpiGbl_DbArgs[i] = AcpiDbGetNextToken (This, &Next,
            &AcpiGbl_DbArgTypes[i]);
        if (!AcpiGbl_DbArgs[i])
        {
            break;
        }

        This = Next;
    }

    /* Uppercase the actual command */

    if (AcpiGbl_DbArgs[0])
    {
        AcpiUtStrupr (AcpiGbl_DbArgs[0]);
    }

    Count = i;
    if (Count)
    {
        Count--;  /* Number of args only */
    }

    return (Count);
}

void
AcpiDbPrepNamestring (
    char                    *Name)
{

    if (!Name)
    {
        return;
    }

    AcpiUtStrupr (Name);

    /* Convert a leading forward slash to a backslash */

    if (*Name == '/')
    {
        *Name = '\\';
    }

    /* Ignore a leading backslash, this is the root prefix */

    if (ACPI_IS_ROOT_PREFIX (*Name))
    {
        Name++;
    }

    /* Convert all slash path separators to dots */

    while (*Name)
    {
        if ((*Name == '/') ||
            (*Name == '\\'))
        {
            *Name = '.';
        }

        Name++;
    }
}

void
AhFindPredefinedNames (
    char                    *NamePrefix)
{
    UINT32                  Length;
    BOOLEAN                 Found;
    char                    Name[9];


    if (!NamePrefix || (NamePrefix[0] == '*'))
    {
        Found = AhDisplayPredefinedName (NULL, 0);
        return;
    }

    /* Contruct a local name or name prefix */

    AcpiUtStrupr (NamePrefix);
    if (*NamePrefix == '_')
    {
        NamePrefix++;
    }

    Name[0] = '_';
    AcpiUtSafeStrncpy (&Name[1], NamePrefix, 7);

    Length = strlen (Name);
    if (Length > ACPI_NAME_SIZE)
    {
        printf ("%.8s: Predefined name must be 4 characters maximum\n", Name);
        return;
    }

    Found = AhDisplayPredefinedName (Name, Length);
    if (!Found)
    {
        printf ("%s, no matching predefined names\n", Name);
    }
}

void
AcpiDbDecodeAndDisplayObject (
    char                    *Target,
    char                    *OutputType)
{
    void                    *ObjPtr;
    ACPI_NAMESPACE_NODE     *Node;
    ACPI_OPERAND_OBJECT     *ObjDesc;
    UINT32                  Display = DB_BYTE_DISPLAY;
    char                    Buffer[80];
    ACPI_BUFFER             RetBuf;
    ACPI_STATUS             Status;
    UINT32                  Size;


    if (!Target)
    {
        return;
    }

    /* Decode the output type */

    if (OutputType)
    {
        AcpiUtStrupr (OutputType);
        if (OutputType[0] == 'W')
        {
            Display = DB_WORD_DISPLAY;
        }
        else if (OutputType[0] == 'D')
        {
            Display = DB_DWORD_DISPLAY;
        }
        else if (OutputType[0] == 'Q')
        {
            Display = DB_QWORD_DISPLAY;
        }
    }

    RetBuf.Length = sizeof (Buffer);
    RetBuf.Pointer = Buffer;

    /* Differentiate between a number and a name */

    if ((Target[0] >= 0x30) && (Target[0] <= 0x39))
    {
        ObjPtr = AcpiDbGetPointer (Target);
        if (!AcpiOsReadable (ObjPtr, 16))
        {
            AcpiOsPrintf (
                "Address %p is invalid in this address space\n",
                ObjPtr);
            return;
        }

        /* Decode the object type */

        switch (ACPI_GET_DESCRIPTOR_TYPE (ObjPtr))
        {
        case ACPI_DESC_TYPE_NAMED:

            /* This is a namespace Node */

            if (!AcpiOsReadable (ObjPtr, sizeof (ACPI_NAMESPACE_NODE)))
            {
                AcpiOsPrintf (
                    "Cannot read entire Named object at address %p\n",
                    ObjPtr);
                return;
            }

            Node = ObjPtr;
            goto DumpNode;

        case ACPI_DESC_TYPE_OPERAND:

            /* This is a ACPI OPERAND OBJECT */

            if (!AcpiOsReadable (ObjPtr, sizeof (ACPI_OPERAND_OBJECT)))
            {
                AcpiOsPrintf (
                    "Cannot read entire ACPI object at address %p\n",
                    ObjPtr);
                return;
            }

            AcpiUtDebugDumpBuffer (ObjPtr, sizeof (ACPI_OPERAND_OBJECT),
                Display, ACPI_UINT32_MAX);
            AcpiExDumpObjectDescriptor (ObjPtr, 1);
            break;

        case ACPI_DESC_TYPE_PARSER:

            /* This is a Parser Op object */

            if (!AcpiOsReadable (ObjPtr, sizeof (ACPI_PARSE_OBJECT)))
            {
                AcpiOsPrintf (
                    "Cannot read entire Parser object at address %p\n",
                    ObjPtr);
//.........这里部分代码省略.........

static void
EcGpeQueryHandler(void *Context)
{
    struct acpi_ec_softc	*sc = (struct acpi_ec_softc *)Context;
    UINT8			Data;
    ACPI_STATUS			Status;
    int				retry, sci_enqueued;
    char			qxx[5];

    ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__);
    KASSERT(Context != NULL, ("EcGpeQueryHandler called with NULL"));

    /* Serialize user access with EcSpaceHandler(). */
    Status = EcLock(sc);
    if (ACPI_FAILURE(Status)) {
	device_printf(sc->ec_dev, "GpeQuery lock error: %s\n",
	    AcpiFormatException(Status));
	return;
    }

    /*
     * Send a query command to the EC to find out which _Qxx call it
     * wants to make.  This command clears the SCI bit and also the
     * interrupt source since we are edge-triggered.  To prevent the GPE
     * that may arise from running the query from causing another query
     * to be queued, we clear the pending flag only after running it.
     */
    sci_enqueued = sc->ec_sci_pend;
    for (retry = 0; retry < 2; retry++) {
	Status = EcCommand(sc, EC_COMMAND_QUERY);
	if (ACPI_SUCCESS(Status))
	    break;
	if (EcCheckStatus(sc, "retr_check",
	    EC_EVENT_INPUT_BUFFER_EMPTY) == AE_OK)
	    continue;
	else
	    break;
    }
    sc->ec_sci_pend = FALSE;
    if (ACPI_FAILURE(Status)) {
	EcUnlock(sc);
	device_printf(sc->ec_dev, "GPE query failed: %s\n",
	    AcpiFormatException(Status));
	return;
    }
    Data = EC_GET_DATA(sc);

    /*
     * We have to unlock before running the _Qxx method below since that
     * method may attempt to read/write from EC address space, causing
     * recursive acquisition of the lock.
     */
    EcUnlock(sc);

    /* Ignore the value for "no outstanding event". (13.3.5) */
    if (Data == 0)
	return;

    /* Evaluate _Qxx to respond to the controller. */
    ksnprintf(qxx, sizeof(qxx), "_Q%02X", Data);
    AcpiUtStrupr(qxx);
    Status = AcpiEvaluateObject(sc->ec_handle, qxx, NULL, NULL);
    if (ACPI_FAILURE(Status) && Status != AE_NOT_FOUND) {
	device_printf(sc->ec_dev, "evaluation of query method %s failed: %s\n",
	    qxx, AcpiFormatException(Status));
    }

    /* Reenable runtime GPE if its execution was deferred. */
    if (sci_enqueued) {
	Status = AcpiFinishGpe(sc->ec_gpehandle, sc->ec_gpebit);
	if (ACPI_FAILURE(Status))
	    device_printf(sc->ec_dev, "reenabling runtime GPE failed: %s\n",
		AcpiFormatException(Status));
    }
}

ACPI_STATUS
DtCreateTemplates (
    char                    *Signature)
{
    ACPI_DMTABLE_DATA       *TableData;
    ACPI_STATUS             Status;


    AslInitializeGlobals ();

    /* Default (no signature) is DSDT */

    if (!Signature)
    {
        Signature = "DSDT";
        goto GetTemplate;
    }

    AcpiUtStrupr (Signature);
    if (!ACPI_STRCMP (Signature, "ALL") ||
        !ACPI_STRCMP (Signature, "*"))
    {
        /* Create all available/known templates */

        Status = DtCreateAllTemplates ();
        return (Status);
    }

    /*
     * Validate signature and get the template data:
     *  1) Signature must be 4 characters
     *  2) Signature must be a recognized ACPI table
     *  3) There must be a template associated with the signature
     */
    if (strlen (Signature) != ACPI_NAME_SIZE)
    {
        fprintf (stderr,
            "%s: Invalid ACPI table signature (length must be 4 characters)\n",
            Signature);
        return (AE_ERROR);
    }

    /*
     * Some slack for the two strange tables whose name is different than
     * their signatures: MADT->APIC and FADT->FACP.
     */
    if (!strcmp (Signature, "MADT"))
    {
        Signature = "APIC";
    }
    else if (!strcmp (Signature, "FADT"))
    {
        Signature = "FACP";
    }

GetTemplate:
    TableData = AcpiDmGetTableData (Signature);
    if (TableData)
    {
        if (!TableData->Template)
        {
            fprintf (stderr, "%4.4s: No template available\n", Signature);
            return (AE_ERROR);
        }
    }
    else if (!AcpiUtIsSpecialTable (Signature))
    {
        fprintf (stderr,
            "%4.4s: Unrecognized ACPI table signature\n", Signature);
        return (AE_ERROR);
    }

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

    Status = DtCreateOneTemplate (Signature, TableData);
    return (Status);
}

void
AcpiDbDisplayInterfaces (
    char                    *ActionArg,
    char                    *InterfaceNameArg)
{
    ACPI_INTERFACE_INFO     *NextInterface;
    char                    *SubString;
    ACPI_STATUS             Status;


    /* If no arguments, just display current interface list */

    if (!ActionArg)
    {
        (void) AcpiOsAcquireMutex (AcpiGbl_OsiMutex,
                    ACPI_WAIT_FOREVER);

        NextInterface = AcpiGbl_SupportedInterfaces;

        while (NextInterface)
        {
            if (!(NextInterface->Flags & ACPI_OSI_INVALID))
            {
                AcpiOsPrintf ("%s\n", NextInterface->Name);
            }
            NextInterface = NextInterface->Next;
        }

        AcpiOsReleaseMutex (AcpiGbl_OsiMutex);
        return;
    }

    /* If ActionArg exists, so must InterfaceNameArg */

    if (!InterfaceNameArg)
    {
        AcpiOsPrintf ("Missing Interface Name argument\n");
        return;
    }

    /* Uppercase the action for match below */

    AcpiUtStrupr (ActionArg);

    /* Install - install an interface */

    SubString = ACPI_STRSTR ("INSTALL", ActionArg);
    if (SubString)
    {
        Status = AcpiInstallInterface (InterfaceNameArg);
        if (ACPI_FAILURE (Status))
        {
            AcpiOsPrintf ("%s, while installing \"%s\"\n",
                AcpiFormatException (Status), InterfaceNameArg);
        }
        return;
    }

    /* Remove - remove an interface */

    SubString = ACPI_STRSTR ("REMOVE", ActionArg);
    if (SubString)
    {
        Status = AcpiRemoveInterface (InterfaceNameArg);
        if (ACPI_FAILURE (Status))
        {
            AcpiOsPrintf ("%s, while removing \"%s\"\n",
                AcpiFormatException (Status), InterfaceNameArg);
        }
        return;
    }

    /* Invalid ActionArg */

    AcpiOsPrintf ("Invalid action argument: %s\n", ActionArg);
    return;
}

//.........这里部分代码省略.........
    case CMD_LIST:

        AcpiDbDisassembleAml (AcpiGbl_DbArgs[1], Op);
        break;

    case CMD_LOCKS:

        AcpiDbDisplayLocks ();
        break;

    case CMD_LOCALS:

        AcpiDbDisplayLocals ();
        break;

    case CMD_METHODS:

        Status = AcpiDbDisplayObjects ("METHOD", AcpiGbl_DbArgs[1]);
        break;

    case CMD_NAMESPACE:

        AcpiDbDumpNamespace (AcpiGbl_DbArgs[1], AcpiGbl_DbArgs[2]);
        break;

    case CMD_NOTIFY:

        Temp = strtoul (AcpiGbl_DbArgs[2], NULL, 0);
        AcpiDbSendNotify (AcpiGbl_DbArgs[1], Temp);
        break;

    case CMD_OBJECTS:

        AcpiUtStrupr (AcpiGbl_DbArgs[1]);
        Status = AcpiDbDisplayObjects (AcpiGbl_DbArgs[1], AcpiGbl_DbArgs[2]);
        break;

    case CMD_OSI:

        AcpiDbDisplayInterfaces (AcpiGbl_DbArgs[1], AcpiGbl_DbArgs[2]);
        break;

    case CMD_OWNER:

        AcpiDbDumpNamespaceByOwner (AcpiGbl_DbArgs[1], AcpiGbl_DbArgs[2]);
        break;

    case CMD_PATHS:

        AcpiDbDumpNamespacePaths ();
        break;

    case CMD_PREFIX:

        AcpiDbSetScope (AcpiGbl_DbArgs[1]);
        break;

    case CMD_REFERENCES:

        AcpiDbFindReferences (AcpiGbl_DbArgs[1]);
        break;

    case CMD_RESOURCES:

        AcpiDbDisplayResources (AcpiGbl_DbArgs[1]);
        break;

int
ApDumpTableByName (
    char                    *Signature)
{
    char                    LocalSignature [ACPI_NAME_SIZE + 1];
    UINT32                  Instance;
    ACPI_TABLE_HEADER       *Table;
    ACPI_PHYSICAL_ADDRESS   Address;
    ACPI_STATUS             Status;
    int                     TableStatus;


    if (strlen (Signature) != ACPI_NAME_SIZE)
    {
        AcpiLogError (
            "Invalid table signature [%s]: must be exactly 4 characters\n",
            Signature);
        return (-1);
    }

    /* Table signatures are expected to be uppercase */

    strcpy (LocalSignature, Signature);
    AcpiUtStrupr (LocalSignature);

    /* To be friendly, handle tables whose signatures do not match the name */

    if (ACPI_COMPARE_NAME (LocalSignature, "FADT"))
    {
        strcpy (LocalSignature, ACPI_SIG_FADT);
    }
    else if (ACPI_COMPARE_NAME (LocalSignature, "MADT"))
    {
        strcpy (LocalSignature, ACPI_SIG_MADT);
    }

    /* Dump all instances of this signature (to handle multiple SSDTs) */

    for (Instance = 0; Instance < AP_MAX_ACPI_FILES; Instance++)
    {
        Status = AcpiOsGetTableByName (LocalSignature, Instance,
            &Table, &Address);
        if (ACPI_FAILURE (Status))
        {
            /* AE_LIMIT means that no more tables are available */

            if (Status == AE_LIMIT)
            {
                return (0);
            }

            AcpiLogError (
                "Could not get ACPI table with signature [%s], %s\n",
                LocalSignature, AcpiFormatException (Status));
            return (-1);
        }

        TableStatus = ApDumpTableBuffer (Table, Instance, Address);
        ACPI_FREE (Table);

        if (TableStatus)
        {
            break;
        }
    }

    /* Something seriously bad happened if the loop terminates here */

    return (-1);
}

//.........这里部分代码省略.........
        }
        break;

    case CMD_LIST:
        AcpiDbDisassembleAml (AcpiGbl_DbArgs[1], Op);
        break;

    case CMD_LOAD:
        Status = AcpiDbGetTableFromFile (AcpiGbl_DbArgs[1], NULL);
        break;

    case CMD_LOCKS:
        AcpiDbDisplayLocks ();
        break;

    case CMD_LOCALS:
        AcpiDbDisplayLocals ();
        break;

    case CMD_METHODS:
        Status = AcpiDbDisplayObjects ("METHOD", AcpiGbl_DbArgs[1]);
        break;

    case CMD_NAMESPACE:
        AcpiDbDumpNamespace (AcpiGbl_DbArgs[1], AcpiGbl_DbArgs[2]);
        break;

    case CMD_NOTIFY:
        Temp = ACPI_STRTOUL (AcpiGbl_DbArgs[2], NULL, 0);
        AcpiDbSendNotify (AcpiGbl_DbArgs[1], Temp);
        break;

    case CMD_OBJECT:
        AcpiUtStrupr (AcpiGbl_DbArgs[1]);
        Status = AcpiDbDisplayObjects (AcpiGbl_DbArgs[1], AcpiGbl_DbArgs[2]);
        break;

    case CMD_OPEN:
        AcpiDbOpenDebugFile (AcpiGbl_DbArgs[1]);
        break;

    case CMD_OWNER:
        AcpiDbDumpNamespaceByOwner (AcpiGbl_DbArgs[1], AcpiGbl_DbArgs[2]);
        break;

    case CMD_PREFIX:
        AcpiDbSetScope (AcpiGbl_DbArgs[1]);
        break;

    case CMD_REFERENCES:
        AcpiDbFindReferences (AcpiGbl_DbArgs[1]);
        break;

    case CMD_RESOURCES:
        AcpiDbDisplayResources (AcpiGbl_DbArgs[1]);
        break;

    case CMD_RESULTS:
        AcpiDbDisplayResults ();
        break;

    case CMD_SET:
        AcpiDbSetMethodData (AcpiGbl_DbArgs[1], AcpiGbl_DbArgs[2],
            AcpiGbl_DbArgs[3]);
        break;

int
AbExtractAmlFile (
    char                    *TableSig,
    char                    *File1Path,
    char                    *File2Path)
{
    char                    *Table;
    char                    Value;
    UINT32                  i;
    FILE                    *FileHandle;
    FILE                    *FileOutHandle;
    UINT32                  Count = 0;
    int                     Scanned;


    /* Open in/out files. input is in text mode, output is in binary mode */

    FileHandle = fopen (File1Path, "rt");
    if (!FileHandle)
    {
        printf ("Could not open %s\n", File1Path);
        return -1;
    }

    FileOutHandle = fopen (File2Path, "w+b");
    if (!FileOutHandle)
    {
        printf ("Could not open %s\n", File2Path);
        return -1;
    }

    /* Force input table sig to uppercase */

    AcpiUtStrupr (TableSig);


    /* TBD: examine input for ASCII */


    /* We have an ascii file, grab one line at a time */

    while (fgets (Buffer, BUFFER_SIZE, FileHandle))
    {
        /* The 4-char ACPI signature appears at the beginning of a line */

        if (!strncmp (Buffer, TableSig, 4))
        {
            printf ("Found table [%4.4s]\n", TableSig);

            /*
             * Eat all lines in the table, of the form:
             *   <offset>: <16 bytes of hex data, separated by spaces> <ASCII representation> <newline>
             *
             * Example:
             *
             *   02C0: 5F 53 42 5F 4C 4E 4B 44 00 12 13 04 0C FF FF 08  _SB_LNKD........
             *
             */
            while (fgets (Buffer, BUFFER_SIZE, FileHandle))
            {
                /* Get past the offset, terminated by a colon */

                Table = strchr (Buffer, ':');
                if (!Table)
                {
                    /* No colon, all done */
                    goto Exit;
                }

                Table += 2; /* Eat the colon + space */

                for (i = 0; i < 16; i++)
                {
                    Scanned = AbHexByteToBinary (Table, &Value);
                    if (!Scanned)
                    {
                        goto Exit;
                    }

                    Table += 3; /* Go past this hex byte and space */

                    /* Write the converted (binary) byte */

                    fwrite (&Value, 1, 1, FileOutHandle);
                    Count++;
                }
            }

            /* No more lines, EOF, all done */

            goto Exit;
        }
    }

    /* Searched entire file, no match to table signature */

    printf ("Could not match table signature\n");
    fclose (FileHandle);
    return -1;

//.........这里部分代码省略.........

void
AcpiDbTrace (
    char                    *EnableArg,
    char                    *MethodArg,
    char                    *OnceArg)
{
    UINT32                  DebugLevel = 0;
    UINT32                  DebugLayer = 0;
    UINT32                  Flags = 0;


    if (EnableArg)
    {
        AcpiUtStrupr (EnableArg);
    }

    if (OnceArg)
    {
        AcpiUtStrupr (OnceArg);
    }

    if (MethodArg)
    {
        if (AcpiDbTraceMethodName)
        {
            ACPI_FREE (AcpiDbTraceMethodName);
            AcpiDbTraceMethodName = NULL;
        }

        AcpiDbTraceMethodName = ACPI_ALLOCATE (strlen (MethodArg) + 1);
        if (!AcpiDbTraceMethodName)
        {
            AcpiOsPrintf ("Failed to allocate method name (%s)\n",
                MethodArg);
            return;
        }

        strcpy (AcpiDbTraceMethodName, MethodArg);
    }

    if (!strcmp (EnableArg, "ENABLE") ||
        !strcmp (EnableArg, "METHOD") ||
        !strcmp (EnableArg, "OPCODE"))
    {
        if (!strcmp (EnableArg, "ENABLE"))
        {
            /* Inherit current console settings */

            DebugLevel = AcpiGbl_DbConsoleDebugLevel;
            DebugLayer = AcpiDbgLayer;
        }
        else
        {
            /* Restrict console output to trace points only */

            DebugLevel = ACPI_LV_TRACE_POINT;
            DebugLayer = ACPI_EXECUTER;
        }

        Flags = ACPI_TRACE_ENABLED;

        if (!strcmp (EnableArg, "OPCODE"))
        {
            Flags |= ACPI_TRACE_OPCODE;
        }

        if (OnceArg && !strcmp (OnceArg, "ONCE"))
        {
            Flags |= ACPI_TRACE_ONESHOT;
        }
    }

    (void) AcpiDebugTrace (AcpiDbTraceMethodName,
        DebugLevel, DebugLayer, Flags);
}