C++ RsGetStringDataLength函数代码示例

ASL_RESOURCE_NODE *
RsDoInterruptDescriptor (
    ASL_RESOURCE_INFO       *Info)
{
    AML_RESOURCE            *Descriptor;
    AML_RESOURCE            *Rover = NULL;
    ACPI_PARSE_OBJECT       *InitializerOp;
    ASL_RESOURCE_NODE       *Rnode;
    UINT16                  StringLength = 0;
    UINT32                  OptionIndex = 0;
    UINT32                  CurrentByteOffset;
    UINT32                  i;
    BOOLEAN                 HasResSourceIndex = FALSE;
    UINT8                   ResSourceIndex = 0;
    UINT8                   *ResSourceString = NULL;


    InitializerOp = Info->DescriptorTypeOp->Asl.Child;
    CurrentByteOffset = Info->CurrentByteOffset;
    StringLength = RsGetStringDataLength (InitializerOp);

    /* Count the interrupt numbers */

    for (i = 0; InitializerOp; i++)
    {
        InitializerOp = ASL_GET_PEER_NODE (InitializerOp);

        if (i <= 6)
        {
            if (i == 3 &&
                InitializerOp->Asl.ParseOpcode != PARSEOP_DEFAULT_ARG)
            {
                /*
                 * ResourceSourceIndex was specified, always make room for
                 * it, even if the ResourceSource was omitted.
                 */
                OptionIndex++;
            }

            continue;
        }

        OptionIndex += 4;
    }

    InitializerOp = Info->DescriptorTypeOp->Asl.Child;
    Rnode = RsAllocateResourceNode (sizeof (AML_RESOURCE_EXTENDED_IRQ) +
        1 + OptionIndex + StringLength);

    Descriptor = Rnode->Buffer;
    Descriptor->ExtendedIrq.DescriptorType = ACPI_RESOURCE_NAME_EXTENDED_IRQ;

    /*
     * Initial descriptor length -- may be enlarged if there are
     * optional fields present
     */
    Descriptor->ExtendedIrq.ResourceLength  = 2;  /* Flags and table length byte */
    Descriptor->ExtendedIrq.InterruptCount  = 0;

    Rover = ACPI_CAST_PTR (AML_RESOURCE,
        (&(Descriptor->ExtendedIrq.Interrupts[0])));

    /* Process all child initialization nodes */

    for (i = 0; InitializerOp; i++)
    {
        switch (i)
        {
        case 0: /* Resource Usage (Default: consumer (1) */

            RsSetFlagBits (&Descriptor->ExtendedIrq.Flags, InitializerOp, 0, 1);
            break;

        case 1: /* Interrupt Type (or Mode - edge/level) */

            RsSetFlagBits (&Descriptor->ExtendedIrq.Flags, InitializerOp, 1, 0);
            RsCreateBitField (InitializerOp, ACPI_RESTAG_INTERRUPTTYPE,
                CurrentByteOffset + ASL_RESDESC_OFFSET (ExtendedIrq.Flags), 1);
            break;

        case 2: /* Interrupt Level (or Polarity - Active high/low) */

            RsSetFlagBits (&Descriptor->ExtendedIrq.Flags, InitializerOp, 2, 0);
            RsCreateBitField (InitializerOp, ACPI_RESTAG_INTERRUPTLEVEL,
                CurrentByteOffset + ASL_RESDESC_OFFSET (ExtendedIrq.Flags), 2);
            break;

        case 3: /* Share Type - Default: exclusive (0) */

            RsSetFlagBits (&Descriptor->ExtendedIrq.Flags, InitializerOp, 3, 0);
            RsCreateBitField (InitializerOp, ACPI_RESTAG_INTERRUPTSHARE,
                CurrentByteOffset + ASL_RESDESC_OFFSET (ExtendedIrq.Flags), 3);
            break;

        case 4: /* ResSourceIndex [Optional Field - BYTE] */

            if (InitializerOp->Asl.ParseOpcode != PARSEOP_DEFAULT_ARG)
            {
                HasResSourceIndex = TRUE;
                ResSourceIndex = (UINT8) InitializerOp->Asl.Value.Integer;
//.........这里部分代码省略.........

ASL_RESOURCE_NODE *
RsDoQwordSpaceDescriptor (
    ACPI_PARSE_OBJECT       *Op,
    UINT32                  CurrentByteOffset)
{
    AML_RESOURCE            *Descriptor;
    ACPI_PARSE_OBJECT       *InitializerOp;
    ACPI_PARSE_OBJECT       *MinOp = NULL;
    ACPI_PARSE_OBJECT       *MaxOp = NULL;
    ACPI_PARSE_OBJECT       *LengthOp = NULL;
    ACPI_PARSE_OBJECT       *GranOp = NULL;
    ASL_RESOURCE_NODE       *Rnode;
    UINT8                   *OptionalFields;
    UINT16                  StringLength = 0;
    UINT32                  OptionIndex = 0;
    UINT32                  i;
    BOOLEAN                 ResSourceIndex = FALSE;


    InitializerOp = Op->Asl.Child;
    StringLength = RsGetStringDataLength (InitializerOp);

    Rnode = RsAllocateResourceNode (
                sizeof (AML_RESOURCE_ADDRESS64) + 1 + StringLength);

    Descriptor = Rnode->Buffer;
    Descriptor->Address64.DescriptorType = ACPI_RESOURCE_NAME_ADDRESS64;

    /*
     * Initial descriptor length -- may be enlarged if there are
     * optional fields present
     */
    OptionalFields = ((UINT8 *) Descriptor) + sizeof (AML_RESOURCE_ADDRESS64);
    Descriptor->Address64.ResourceLength = (UINT16)
        (sizeof (AML_RESOURCE_ADDRESS64) -
         sizeof (AML_RESOURCE_LARGE_HEADER));

    /* Process all child initialization nodes */

    for (i = 0; InitializerOp; i++)
    {
        switch (i)
        {
        case 0: /* Resource Type */

            Descriptor->Address64.ResourceType =
                (UINT8) InitializerOp->Asl.Value.Integer;
            break;

        case 1: /* Resource Usage */

            RsSetFlagBits (&Descriptor->Address64.Flags, InitializerOp, 0, 1);
            break;

        case 2: /* DecodeType */

            RsSetFlagBits (&Descriptor->Address64.Flags, InitializerOp, 1, 0);
            RsCreateBitField (InitializerOp, ACPI_RESTAG_DECODE,
                CurrentByteOffset + ASL_RESDESC_OFFSET (Address64.Flags), 1);
            break;

        case 3: /* MinType */

            RsSetFlagBits (&Descriptor->Address64.Flags, InitializerOp, 2, 0);
            RsCreateBitField (InitializerOp, ACPI_RESTAG_MINTYPE,
                CurrentByteOffset + ASL_RESDESC_OFFSET (Address64.Flags), 2);
            break;

        case 4: /* MaxType */

            RsSetFlagBits (&Descriptor->Address64.Flags, InitializerOp, 3, 0);
            RsCreateBitField (InitializerOp, ACPI_RESTAG_MAXTYPE,
                CurrentByteOffset + ASL_RESDESC_OFFSET (Address64.Flags), 3);
            break;

        case 5: /* Type-Specific flags */

            Descriptor->Address64.SpecificFlags =
                (UINT8) InitializerOp->Asl.Value.Integer;
            break;

        case 6: /* Address Granularity */

            Descriptor->Address64.Granularity = InitializerOp->Asl.Value.Integer;
            RsCreateQwordField (InitializerOp, ACPI_RESTAG_GRANULARITY,
                CurrentByteOffset + ASL_RESDESC_OFFSET (Address64.Granularity));
            GranOp = InitializerOp;
            break;

        case 7: /* Min Address */

            Descriptor->Address64.Minimum = InitializerOp->Asl.Value.Integer;
            RsCreateQwordField (InitializerOp, ACPI_RESTAG_MINADDR,
                CurrentByteOffset + ASL_RESDESC_OFFSET (Address64.Minimum));
            MinOp = InitializerOp;
            break;

        case 8: /* Max Address */

            Descriptor->Address64.Maximum = InitializerOp->Asl.Value.Integer;
//.........这里部分代码省略.........

ASL_RESOURCE_NODE *
RsDoExtendedSpaceDescriptor (
    ACPI_PARSE_OBJECT       *Op,
    UINT32                  CurrentByteOffset)
{
    AML_RESOURCE            *Descriptor;
    ACPI_PARSE_OBJECT       *InitializerOp;
    ACPI_PARSE_OBJECT       *MinOp = NULL;
    ACPI_PARSE_OBJECT       *MaxOp = NULL;
    ACPI_PARSE_OBJECT       *LengthOp = NULL;
    ACPI_PARSE_OBJECT       *GranOp = NULL;
    ASL_RESOURCE_NODE       *Rnode;
    UINT16                  StringLength = 0;
    UINT32                  i;


    InitializerOp = Op->Asl.Child;
    StringLength = RsGetStringDataLength (InitializerOp);

    Rnode = RsAllocateResourceNode (
                sizeof (AML_RESOURCE_EXTENDED_ADDRESS64) + 1 + StringLength);

    Descriptor = Rnode->Buffer;
    Descriptor->ExtAddress64.DescriptorType  = ACPI_RESOURCE_NAME_EXTENDED_ADDRESS64;
    Descriptor->ExtAddress64.RevisionID      = AML_RESOURCE_EXTENDED_ADDRESS_REVISION;

    Descriptor->ExtAddress64.ResourceLength  = (UINT16)
        (sizeof (AML_RESOURCE_EXTENDED_ADDRESS64) -
         sizeof (AML_RESOURCE_LARGE_HEADER));

    /* Process all child initialization nodes */

    for (i = 0; InitializerOp; i++)
    {
        switch (i)
        {
        case 0: /* Resource Type */

            Descriptor->ExtAddress64.ResourceType =
                (UINT8) InitializerOp->Asl.Value.Integer;
            break;

        case 1: /* Resource Usage */

            RsSetFlagBits (&Descriptor->ExtAddress64.Flags, InitializerOp, 0, 1);
            break;

        case 2: /* DecodeType */

            RsSetFlagBits (&Descriptor->ExtAddress64.Flags, InitializerOp, 1, 0);
            RsCreateBitField (InitializerOp, ACPI_RESTAG_DECODE,
                CurrentByteOffset + ASL_RESDESC_OFFSET (ExtAddress64.Flags), 1);
            break;

        case 3: /* MinType */

            RsSetFlagBits (&Descriptor->ExtAddress64.Flags, InitializerOp, 2, 0);
            RsCreateBitField (InitializerOp, ACPI_RESTAG_MINTYPE,
                CurrentByteOffset + ASL_RESDESC_OFFSET (ExtAddress64.Flags), 2);
            break;

        case 4: /* MaxType */

            RsSetFlagBits (&Descriptor->ExtAddress64.Flags, InitializerOp, 3, 0);
            RsCreateBitField (InitializerOp, ACPI_RESTAG_MAXTYPE,
                CurrentByteOffset + ASL_RESDESC_OFFSET (ExtAddress64.Flags), 3);
            break;

        case 5: /* Type-Specific flags */

            Descriptor->ExtAddress64.SpecificFlags =
                (UINT8) InitializerOp->Asl.Value.Integer;
            break;

        case 6: /* Address Granularity */

            Descriptor->ExtAddress64.Granularity = InitializerOp->Asl.Value.Integer;
            RsCreateQwordField (InitializerOp, ACPI_RESTAG_GRANULARITY,
                CurrentByteOffset + ASL_RESDESC_OFFSET (ExtAddress64.Granularity));
            GranOp = InitializerOp;
            break;

        case 7: /* Min Address */

            Descriptor->ExtAddress64.Minimum = InitializerOp->Asl.Value.Integer;
            RsCreateQwordField (InitializerOp, ACPI_RESTAG_MINADDR,
                CurrentByteOffset + ASL_RESDESC_OFFSET (ExtAddress64.Minimum));
            MinOp = InitializerOp;
            break;

        case 8: /* Max Address */

            Descriptor->ExtAddress64.Maximum = InitializerOp->Asl.Value.Integer;
            RsCreateQwordField (InitializerOp, ACPI_RESTAG_MAXADDR,
                CurrentByteOffset + ASL_RESDESC_OFFSET (ExtAddress64.Maximum));
            MaxOp = InitializerOp;
            break;

        case 9: /* Translation Offset */

//.........这里部分代码省略.........

ASL_RESOURCE_NODE *
RsDoSpiSerialBusDescriptor (
    ASL_RESOURCE_INFO       *Info)
{
    AML_RESOURCE            *Descriptor;
    ACPI_PARSE_OBJECT       *InitializerOp;
    ASL_RESOURCE_NODE       *Rnode;
    char                    *ResourceSource = NULL;
    UINT8                   *VendorData = NULL;
    UINT16                  ResSourceLength;
    UINT16                  VendorLength;
    UINT16                  DescriptorSize;
    UINT32                  CurrentByteOffset;
    UINT32                  i;


    InitializerOp = Info->DescriptorTypeOp->Asl.Child;
    CurrentByteOffset = Info->CurrentByteOffset;

    /*
     * Calculate lengths for fields that have variable length:
     * 1) Resource Source string
     * 2) Vendor Data buffer
     */
    ResSourceLength = RsGetStringDataLength (InitializerOp);
    VendorLength = RsGetBufferDataLength (InitializerOp);

    DescriptorSize = ACPI_AML_SIZE_LARGE (AML_RESOURCE_SPI_SERIALBUS) +
        ResSourceLength + VendorLength;

    /* Allocate the local resource node and initialize */

    Rnode = RsAllocateResourceNode (DescriptorSize + sizeof (AML_RESOURCE_LARGE_HEADER));

    Descriptor = Rnode->Buffer;
    Descriptor->SpiSerialBus.ResourceLength = DescriptorSize;
    Descriptor->SpiSerialBus.DescriptorType = ACPI_RESOURCE_NAME_SERIAL_BUS;
    Descriptor->SpiSerialBus.RevisionId     = AML_RESOURCE_SPI_REVISION;
    Descriptor->SpiSerialBus.TypeRevisionId = AML_RESOURCE_SPI_TYPE_REVISION;
    Descriptor->SpiSerialBus.Type           = AML_RESOURCE_SPI_SERIALBUSTYPE;
    Descriptor->SpiSerialBus.TypeDataLength = AML_RESOURCE_SPI_MIN_DATA_LEN + VendorLength;

    /* Build pointers to optional areas */

    VendorData = ACPI_ADD_PTR (UINT8, Descriptor, sizeof (AML_RESOURCE_SPI_SERIALBUS));
    ResourceSource = ACPI_ADD_PTR (char, VendorData, VendorLength);

    DbgPrint (ASL_DEBUG_OUTPUT,
        "%16s - Actual: %.2X, Base: %.2X, ResLen: %.2X, VendLen: %.2X, TypLen: %.2X\n",
        "SpiSerialBus", Descriptor->SpiSerialBus.ResourceLength,
        (UINT16) sizeof (AML_RESOURCE_SPI_SERIALBUS), ResSourceLength,
        VendorLength, Descriptor->SpiSerialBus.TypeDataLength);

    /* Process all child initialization nodes */

    for (i = 0; InitializerOp; i++)
    {
        switch (i)
        {
        case 0: /* Device Selection [WORD] (_ADR) */

            Descriptor->SpiSerialBus.DeviceSelection = (UINT16) InitializerOp->Asl.Value.Integer;
            RsCreateWordField (InitializerOp, ACPI_RESTAG_ADDRESS,
                CurrentByteOffset + ASL_RESDESC_OFFSET (SpiSerialBus.DeviceSelection));
            break;

        case 1: /* Device Polarity [Flag] (_DPL) */

            RsSetFlagBits16 (&Descriptor->SpiSerialBus.TypeSpecificFlags, InitializerOp, 1, 0);
            RsCreateBitField (InitializerOp, ACPI_RESTAG_DEVICEPOLARITY,
                CurrentByteOffset + ASL_RESDESC_OFFSET (SpiSerialBus.TypeSpecificFlags), 1);
            break;

        case 2: /* Wire Mode [Flag] (_MOD) */

            RsSetFlagBits16 (&Descriptor->SpiSerialBus.TypeSpecificFlags, InitializerOp, 0, 0);
            RsCreateBitField (InitializerOp, ACPI_RESTAG_MODE,
                CurrentByteOffset + ASL_RESDESC_OFFSET (SpiSerialBus.TypeSpecificFlags), 0);
            break;

        case 3: /* Device Bit Length [BYTE] (_LEN) */

            Descriptor->SpiSerialBus.DataBitLength = (UINT8) InitializerOp->Asl.Value.Integer;
            RsCreateByteField (InitializerOp, ACPI_RESTAG_LENGTH,
                CurrentByteOffset + ASL_RESDESC_OFFSET (SpiSerialBus.DataBitLength));
            break;

        case 4: /* Slave Mode [Flag] (_SLV) */

            RsSetFlagBits (&Descriptor->SpiSerialBus.Flags, InitializerOp, 0, 0);
            RsCreateBitField (InitializerOp, ACPI_RESTAG_SLAVEMODE,
                CurrentByteOffset + ASL_RESDESC_OFFSET (SpiSerialBus.Flags), 0);
            break;

        case 5: /* Connection Speed [DWORD] (_SPE) */

            Descriptor->SpiSerialBus.ConnectionSpeed = (UINT32) InitializerOp->Asl.Value.Integer;
            RsCreateDwordField (InitializerOp, ACPI_RESTAG_SPEED,
                CurrentByteOffset + ASL_RESDESC_OFFSET (SpiSerialBus.ConnectionSpeed));
            break;
//.........这里部分代码省略.........

ASL_RESOURCE_NODE *
RsDoGpioIoDescriptor (
    ASL_RESOURCE_INFO       *Info)
{
    AML_RESOURCE            *Descriptor;
    ACPI_PARSE_OBJECT       *InitializerOp;
    ASL_RESOURCE_NODE       *Rnode;
    char                    *ResourceSource = NULL;
    UINT8                   *VendorData = NULL;
    UINT16                  *InterruptList = NULL;
    UINT16                  *PinList = NULL;
    UINT16                  ResSourceLength;
    UINT16                  VendorLength;
    UINT16                  InterruptLength;
    UINT16                  DescriptorSize;
    UINT32                  CurrentByteOffset;
    UINT32                  PinCount = 0;
    UINT32                  i;


    InitializerOp = Info->DescriptorTypeOp->Asl.Child;
    CurrentByteOffset = Info->CurrentByteOffset;

    /*
     * Calculate lengths for fields that have variable length:
     * 1) Resource Source string
     * 2) Vendor Data buffer
     * 3) PIN (interrupt) list
     */
    ResSourceLength = RsGetStringDataLength (InitializerOp);
    VendorLength = RsGetBufferDataLength (InitializerOp);
    InterruptLength = RsGetInterruptDataLength (InitializerOp);
    PinList = InterruptList;

    DescriptorSize = ACPI_AML_SIZE_LARGE (AML_RESOURCE_GPIO) +
        ResSourceLength + VendorLength + InterruptLength;

    /* Allocate the local resource node and initialize */

    Rnode = RsAllocateResourceNode (DescriptorSize + sizeof (AML_RESOURCE_LARGE_HEADER));

    Descriptor = Rnode->Buffer;
    Descriptor->Gpio.ResourceLength  = DescriptorSize;
    Descriptor->Gpio.DescriptorType  = ACPI_RESOURCE_NAME_GPIO;
    Descriptor->Gpio.RevisionId      = AML_RESOURCE_GPIO_REVISION;
    Descriptor->Gpio.ConnectionType  = AML_RESOURCE_GPIO_TYPE_IO;

    /* Build pointers to optional areas */

    InterruptList = ACPI_ADD_PTR (UINT16, Descriptor, sizeof (AML_RESOURCE_GPIO));
    PinList = InterruptList;
    ResourceSource = ACPI_ADD_PTR (char, InterruptList, InterruptLength);
    VendorData = ACPI_ADD_PTR (UINT8, ResourceSource, ResSourceLength);

    /* Setup offsets within the descriptor */

    Descriptor->Gpio.PinTableOffset = (UINT16)
        ACPI_PTR_DIFF (InterruptList, Descriptor);

    Descriptor->Gpio.ResSourceOffset = (UINT16)
        ACPI_PTR_DIFF (ResourceSource, Descriptor);

    DbgPrint (ASL_DEBUG_OUTPUT,
        "%16s - Actual: %.2X, Base: %.2X, ResLen: %.2X, VendLen: %.2X, IntLen: %.2X\n",
        "GpioIo", Descriptor->Gpio.ResourceLength, (UINT16) sizeof (AML_RESOURCE_GPIO),
        ResSourceLength, VendorLength, InterruptLength);

    /* Process all child initialization nodes */

    for (i = 0; InitializerOp; i++)
    {
        switch (i)
        {
        case 0: /* Share Type [Flags] (_SHR) */

            RsSetFlagBits16 (&Descriptor->Gpio.IntFlags, InitializerOp, 3, 0);
            RsCreateBitField (InitializerOp, ACPI_RESTAG_INTERRUPTSHARE,
                CurrentByteOffset + ASL_RESDESC_OFFSET (Gpio.IntFlags), 3);
            break;

        case 1: /* Pin Config [BYTE] (_PPI) */

            Descriptor->Gpio.PinConfig = (UINT8) InitializerOp->Asl.Value.Integer;
            RsCreateByteField (InitializerOp, ACPI_RESTAG_PINCONFIG,
                CurrentByteOffset + ASL_RESDESC_OFFSET (Gpio.PinConfig));
            break;

        case 2: /* Debounce Timeout [WORD] (_DBT) */

            Descriptor->Gpio.DebounceTimeout = (UINT16) InitializerOp->Asl.Value.Integer;
            RsCreateWordField (InitializerOp, ACPI_RESTAG_DEBOUNCETIME,
                CurrentByteOffset + ASL_RESDESC_OFFSET (Gpio.DebounceTimeout));
            break;

        case 3: /* Drive Strength [WORD] (_DRS) */

            Descriptor->Gpio.DriveStrength = (UINT16) InitializerOp->Asl.Value.Integer;
            RsCreateWordField (InitializerOp, ACPI_RESTAG_DRIVESTRENGTH,
                CurrentByteOffset + ASL_RESDESC_OFFSET (Gpio.DriveStrength));
            break;
//.........这里部分代码省略.........

ASL_RESOURCE_NODE *
RsDoUartSerialBusDescriptor (
    ASL_RESOURCE_INFO       *Info)
{
    AML_RESOURCE            *Descriptor;
    ACPI_PARSE_OBJECT       *InitializerOp;
    ASL_RESOURCE_NODE       *Rnode;
    char                    *ResourceSource = NULL;
    UINT8                   *VendorData = NULL;
    UINT16                  ResSourceLength;
    UINT16                  VendorLength;
    UINT16                  DescriptorSize;
    UINT32                  CurrentByteOffset;
    UINT32                  i;


    InitializerOp = Info->DescriptorTypeOp->Asl.Child;
    CurrentByteOffset = Info->CurrentByteOffset;

    /*
     * Calculate lengths for fields that have variable length:
     * 1) Resource Source string
     * 2) Vendor Data buffer
     */
    ResSourceLength = RsGetStringDataLength (InitializerOp);
    VendorLength = RsGetBufferDataLength (InitializerOp);

    DescriptorSize = ACPI_AML_SIZE_LARGE (AML_RESOURCE_UART_SERIALBUS) +
        ResSourceLength + VendorLength;

    /* Allocate the local resource node and initialize */

    Rnode = RsAllocateResourceNode (DescriptorSize + sizeof (AML_RESOURCE_LARGE_HEADER));

    Descriptor = Rnode->Buffer;
    Descriptor->UartSerialBus.ResourceLength = DescriptorSize;
    Descriptor->UartSerialBus.DescriptorType = ACPI_RESOURCE_NAME_SERIAL_BUS;
    Descriptor->UartSerialBus.RevisionId     = AML_RESOURCE_UART_REVISION;
    Descriptor->UartSerialBus.TypeRevisionId = AML_RESOURCE_UART_TYPE_REVISION;
    Descriptor->UartSerialBus.Type           = AML_RESOURCE_UART_SERIALBUSTYPE;
    Descriptor->UartSerialBus.TypeDataLength = AML_RESOURCE_UART_MIN_DATA_LEN + VendorLength;

    /* Build pointers to optional areas */

    VendorData = ACPI_ADD_PTR (UINT8, Descriptor, sizeof (AML_RESOURCE_UART_SERIALBUS));
    ResourceSource = ACPI_ADD_PTR (char, VendorData, VendorLength);

    DbgPrint (ASL_DEBUG_OUTPUT,
        "%16s - Actual: %.2X, Base: %.2X, ResLen: %.2X, VendLen: %.2X, TypLen: %.2X\n",
        "UartSerialBus", Descriptor->UartSerialBus.ResourceLength,
        (UINT16) sizeof (AML_RESOURCE_UART_SERIALBUS), ResSourceLength,
        VendorLength, Descriptor->UartSerialBus.TypeDataLength);

    /* Process all child initialization nodes */

    for (i = 0; InitializerOp; i++)
    {
        switch (i)
        {
        case 0: /* Connection Speed (Baud Rate) [DWORD] (_SPE) */

            Descriptor->UartSerialBus.DefaultBaudRate = (UINT32) InitializerOp->Asl.Value.Integer;
            RsCreateDwordField (InitializerOp, ACPI_RESTAG_SPEED,
                CurrentByteOffset + ASL_RESDESC_OFFSET (UartSerialBus.DefaultBaudRate));
            break;

        case 1: /* Bits Per Byte [Flags] (_LEN) */

            RsSetFlagBits16 (&Descriptor->UartSerialBus.TypeSpecificFlags, InitializerOp, 4, 3);
            RsCreateMultiBitField (InitializerOp, ACPI_RESTAG_LENGTH,
                CurrentByteOffset + ASL_RESDESC_OFFSET (UartSerialBus.TypeSpecificFlags), 4, 3);
            break;

        case 2: /* Stop Bits [Flags] (_STB) */

            RsSetFlagBits16 (&Descriptor->UartSerialBus.TypeSpecificFlags, InitializerOp, 2, 1);
            RsCreateMultiBitField (InitializerOp, ACPI_RESTAG_STOPBITS,
                CurrentByteOffset + ASL_RESDESC_OFFSET (UartSerialBus.TypeSpecificFlags), 2, 2);
            break;

        case 3: /* Lines In Use [BYTE] (_LIN) */

            Descriptor->UartSerialBus.LinesEnabled = (UINT8) InitializerOp->Asl.Value.Integer;
            RsCreateByteField (InitializerOp, ACPI_RESTAG_LINE,
                CurrentByteOffset + ASL_RESDESC_OFFSET (UartSerialBus.LinesEnabled));
            break;

        case 4: /* Endianness [Flag] (_END) */

            RsSetFlagBits16 (&Descriptor->UartSerialBus.TypeSpecificFlags, InitializerOp, 7, 0);
            RsCreateBitField (InitializerOp, ACPI_RESTAG_ENDIANNESS,
                CurrentByteOffset + ASL_RESDESC_OFFSET (UartSerialBus.TypeSpecificFlags), 7);
            break;

        case 5: /* Parity [BYTE] (_PAR) */

            Descriptor->UartSerialBus.Parity = (UINT8) InitializerOp->Asl.Value.Integer;
            RsCreateByteField (InitializerOp, ACPI_RESTAG_PARITY,
                CurrentByteOffset + ASL_RESDESC_OFFSET (UartSerialBus.Parity));
            break;
//.........这里部分代码省略.........