C++ RsSetFlagBits函数代码示例

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 *
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 *
RsDoIrqDescriptor (
    ACPI_PARSE_OBJECT       *Op,
    UINT32                  CurrentByteOffset)
{
    AML_RESOURCE            *Descriptor;
    ACPI_PARSE_OBJECT       *InitializerOp;
    ASL_RESOURCE_NODE       *Rnode;
    UINT32                  Interrupts = 0;
    UINT16                  IrqMask = 0;
    UINT32                  i;


    InitializerOp = Op->Asl.Child;
    Rnode = RsAllocateResourceNode (sizeof (AML_RESOURCE_IRQ));

    /* Length = 3 (with flag byte) */

    Descriptor = Rnode->Buffer;
    Descriptor->Irq.DescriptorType  = ACPI_RESOURCE_NAME_IRQ |
                                      (ASL_RDESC_IRQ_SIZE + 0x01);

    /* Process all child initialization nodes */

    for (i = 0; InitializerOp; i++)
    {
        switch (i)
        {
        case 0: /* Interrupt Type (or Mode - edge/level) */

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

        case 1: /* Interrupt Level (or Polarity - Active high/low) */

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

        case 2: /* Share Type - Default: exclusive (0) */

            RsSetFlagBits (&Descriptor->Irq.Flags, InitializerOp, 4, 0);
            RsCreateBitField (InitializerOp, ACPI_RESTAG_INTERRUPTSHARE,
                CurrentByteOffset + ASL_RESDESC_OFFSET (Irq.Flags), 4);
            break;

        case 3: /* Name */

            UtAttachNamepathToOwner (Op, InitializerOp);
            break;

        default:

            /* All IRQ bytes are handled here, after the flags and name */

            if (InitializerOp->Asl.ParseOpcode != PARSEOP_DEFAULT_ARG)
            {
                /* Up to 16 interrupts can be specified in the list */

                Interrupts++;
                if (Interrupts > 16)
                {
                    AslError (ASL_ERROR, ASL_MSG_INTERRUPT_LIST,
                        InitializerOp, NULL);
                    return (Rnode);
                }

                /* Only interrupts 0-15 are allowed (mask is 16 bits) */

                if (InitializerOp->Asl.Value.Integer > 15)
                {
                    AslError (ASL_ERROR, ASL_MSG_INTERRUPT_NUMBER,
                        InitializerOp, NULL);
                }
                else
                {
                    IrqMask |= (1 << (UINT8) InitializerOp->Asl.Value.Integer);
                }
            }

            /* Case 4: First IRQ value in list */

            if (i == 4)
            {
                /* Check now for duplicates in list */

                RsCheckListForDuplicates (InitializerOp);

                /* Create a named field at the start of the list */

                RsCreateWordField (InitializerOp, ACPI_RESTAG_INTERRUPT,
                    CurrentByteOffset + ASL_RESDESC_OFFSET (Irq.IrqMask));
            }
            break;
        }

        InitializerOp = RsCompleteNodeAndGetNext (InitializerOp);
//.........这里部分代码省略.........

ASL_RESOURCE_NODE *
RsDoDmaDescriptor (
    ACPI_PARSE_OBJECT       *Op,
    UINT32                  CurrentByteOffset)
{
    AML_RESOURCE            *Descriptor;
    ACPI_PARSE_OBJECT       *InitializerOp;
    ASL_RESOURCE_NODE       *Rnode;
    UINT32                  i;
    UINT8                   DmaChannelMask = 0;
    UINT8                   DmaChannels = 0;


    InitializerOp = Op->Asl.Child;
    Rnode = RsAllocateResourceNode (sizeof (AML_RESOURCE_DMA));

    Descriptor = Rnode->Buffer;
    Descriptor->Dma.DescriptorType  = ACPI_RESOURCE_NAME_DMA |
                                        ASL_RDESC_DMA_SIZE;

    /* Process all child initialization nodes */

    for (i = 0; InitializerOp; i++)
    {
        switch (i)
        {
        case 0: /* DMA type */

            RsSetFlagBits (&Descriptor->Dma.Flags, InitializerOp, 5, 0);
            RsCreateMultiBitField (InitializerOp, ACPI_RESTAG_DMATYPE,
                CurrentByteOffset + ASL_RESDESC_OFFSET (Dma.Flags), 5, 2);
            break;

        case 1: /* Bus Master */

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

        case 2: /* Xfer Type (transfer width) */

            RsSetFlagBits (&Descriptor->Dma.Flags, InitializerOp, 0, 0);
            RsCreateMultiBitField (InitializerOp, ACPI_RESTAG_XFERTYPE,
                CurrentByteOffset + ASL_RESDESC_OFFSET (Dma.Flags), 0, 2);
            break;

        case 3: /* Name */

            UtAttachNamepathToOwner (Op, InitializerOp);
            break;

        default:

            /* All DMA channel bytes are handled here, after flags and name */

            if (InitializerOp->Asl.ParseOpcode != PARSEOP_DEFAULT_ARG)
            {
                /* Up to 8 channels can be specified in the list */

                DmaChannels++;
                if (DmaChannels > 8)
                {
                    AslError (ASL_ERROR, ASL_MSG_DMA_LIST,
                        InitializerOp, NULL);
                    return (Rnode);
                }

                /* Only DMA channels 0-7 are allowed (mask is 8 bits) */

                if (InitializerOp->Asl.Value.Integer > 7)
                {
                    AslError (ASL_ERROR, ASL_MSG_DMA_CHANNEL,
                        InitializerOp, NULL);
                }

                /* Build the mask */

                DmaChannelMask |=
                    (1 << ((UINT8) InitializerOp->Asl.Value.Integer));
            }

            if (i == 4) /* case 4: First DMA byte */
            {
                /* Check now for duplicates in list */

                RsCheckListForDuplicates (InitializerOp);

                /* Create a named field at the start of the list */

                RsCreateByteField (InitializerOp, ACPI_RESTAG_DMA,
                    CurrentByteOffset +
                    ASL_RESDESC_OFFSET (Dma.DmaChannelMask));
            }
            break;
        }

        InitializerOp = RsCompleteNodeAndGetNext (InitializerOp);
    }

//.........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 *
RsDoIoDescriptor (
    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       *AlignOp = NULL;
    ASL_RESOURCE_NODE       *Rnode;
    UINT32                  i;


    InitializerOp = Op->Asl.Child;
    Rnode = RsAllocateResourceNode (sizeof (AML_RESOURCE_IO));

    Descriptor = Rnode->Buffer;
    Descriptor->Io.DescriptorType  = ACPI_RESOURCE_NAME_IO |
                                      ASL_RDESC_IO_SIZE;

    /* Process all child initialization nodes */

    for (i = 0; InitializerOp; i++)
    {
        switch (i)
        {
        case 0: /* Decode size */

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

        case 1:  /* Min Address */

            Descriptor->Io.Minimum =
                (UINT16) InitializerOp->Asl.Value.Integer;
            RsCreateWordField (InitializerOp, ACPI_RESTAG_MINADDR,
                CurrentByteOffset + ASL_RESDESC_OFFSET (Io.Minimum));
            MinOp = InitializerOp;
            break;

        case 2: /* Max Address */

            Descriptor->Io.Maximum =
                (UINT16) InitializerOp->Asl.Value.Integer;
            RsCreateWordField (InitializerOp, ACPI_RESTAG_MAXADDR,
                CurrentByteOffset + ASL_RESDESC_OFFSET (Io.Maximum));
            MaxOp = InitializerOp;
            break;

        case 3: /* Alignment */

            Descriptor->Io.Alignment =
                (UINT8) InitializerOp->Asl.Value.Integer;
            RsCreateByteField (InitializerOp, ACPI_RESTAG_ALIGNMENT,
                CurrentByteOffset + ASL_RESDESC_OFFSET (Io.Alignment));
            AlignOp = InitializerOp;
            break;

        case 4: /* Length */

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

        case 5: /* Name */

            UtAttachNamepathToOwner (Op, InitializerOp);
            break;

        default:

            AslError (ASL_ERROR, ASL_MSG_RESOURCE_LIST, InitializerOp, NULL);
            break;
        }

        InitializerOp = RsCompleteNodeAndGetNext (InitializerOp);
    }

    /* Validate the Min/Max/Len/Align values */

    RsSmallAddressCheck (ACPI_RESOURCE_NAME_IO,
        Descriptor->Io.Minimum,
        Descriptor->Io.Maximum,
        Descriptor->Io.AddressLength,
        Descriptor->Io.Alignment,
        MinOp, MaxOp, LengthOp, AlignOp, Op);

    return (Rnode);
}

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 *
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.........

ASL_RESOURCE_NODE *
RsDoStartDependentDescriptor (
    ACPI_PARSE_OBJECT       *Op,
    UINT32                  CurrentByteOffset)
{
    AML_RESOURCE            *Descriptor;
    ACPI_PARSE_OBJECT       *InitializerOp;
    ASL_RESOURCE_NODE       *Rnode;
    ASL_RESOURCE_NODE       *PreviousRnode;
    ASL_RESOURCE_NODE       *NextRnode;
    UINT32                  i;
    UINT8                   State;


    InitializerOp = Op->Asl.Child;
    Rnode = RsAllocateResourceNode (sizeof (AML_RESOURCE_START_DEPENDENT));

    PreviousRnode = Rnode;
    Descriptor = Rnode->Buffer;

    /* Descriptor has priority byte */

    Descriptor->StartDpf.DescriptorType  = ACPI_RESOURCE_NAME_START_DEPENDENT |
                                      (ASL_RDESC_ST_DEPEND_SIZE + 0x01);

    /* Process all child initialization nodes */

    State = ACPI_RSTATE_START_DEPENDENT;
    for (i = 0; InitializerOp; i++)
    {
        switch (i)
        {
        case 0: /* Compatibility Priority */

            if ((UINT8) InitializerOp->Asl.Value.Integer > 2)
            {
                AslError (ASL_ERROR, ASL_MSG_INVALID_PRIORITY,
                    InitializerOp, NULL);
            }

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

        case 1: /* Performance/Robustness Priority */

            if ((UINT8) InitializerOp->Asl.Value.Integer > 2)
            {
                AslError (ASL_ERROR, ASL_MSG_INVALID_PERFORMANCE,
                    InitializerOp, NULL);
            }

            RsSetFlagBits (&Descriptor->StartDpf.Flags, InitializerOp, 2, 0);
            break;

        default:
            NextRnode = RsDoOneResourceDescriptor  (InitializerOp,
                        CurrentByteOffset, &State);

            /*
             * Update current byte offset to indicate the number of bytes from the
             * start of the buffer.  Buffer can include multiple descriptors, we
             * must keep track of the offset of not only each descriptor, but each
             * element (field) within each descriptor as well.
             */

            CurrentByteOffset += RsLinkDescriptorChain (&PreviousRnode,
                                    NextRnode);
            break;
        }

        InitializerOp = RsCompleteNodeAndGetNext (InitializerOp);
    }

    return (Rnode);
}

ASL_RESOURCE_NODE *
RsDoMemory32FixedDescriptor (
    ACPI_PARSE_OBJECT       *Op,
    UINT32                  CurrentByteOffset)
{
    AML_RESOURCE            *Descriptor;
    ACPI_PARSE_OBJECT       *InitializerOp;
    ASL_RESOURCE_NODE       *Rnode;
    UINT32                  i;


    InitializerOp = Op->Asl.Child;
    Rnode = RsAllocateResourceNode (sizeof (AML_RESOURCE_FIXED_MEMORY32));

    Descriptor = Rnode->Buffer;
    Descriptor->FixedMemory32.DescriptorType  = ACPI_RESOURCE_NAME_FIXED_MEMORY32;
    Descriptor->FixedMemory32.ResourceLength = 9;

    /* Process all child initialization nodes */

    for (i = 0; InitializerOp; i++)
    {
        switch (i)
        {
        case 0: /* Read/Write type */

            RsSetFlagBits (&Descriptor->FixedMemory32.Flags, InitializerOp, 0, 1);
            RsCreateBitField (InitializerOp, ACPI_RESTAG_READWRITETYPE,
                CurrentByteOffset + ASL_RESDESC_OFFSET (FixedMemory32.Flags), 0);
            break;

        case 1: /* Address */

            Descriptor->FixedMemory32.Address = (UINT32) InitializerOp->Asl.Value.Integer;
            RsCreateByteField (InitializerOp, ACPI_RESTAG_BASEADDRESS,
                CurrentByteOffset + ASL_RESDESC_OFFSET (FixedMemory32.Address));
            break;

        case 2: /* Length */

            Descriptor->FixedMemory32.AddressLength = (UINT32) InitializerOp->Asl.Value.Integer;
            RsCreateByteField (InitializerOp, ACPI_RESTAG_LENGTH,
                CurrentByteOffset + ASL_RESDESC_OFFSET (FixedMemory32.AddressLength));
            break;

        case 3: /* Name */

            UtAttachNamepathToOwner (Op, InitializerOp);
            break;

        default:

            AslError (ASL_ERROR, ASL_MSG_RESOURCE_LIST, InitializerOp, NULL);
            break;
        }

        InitializerOp = RsCompleteNodeAndGetNext (InitializerOp);
    }

    return (Rnode);
}

ASL_RESOURCE_NODE *
RsDoMemory32Descriptor (
    ASL_RESOURCE_INFO       *Info)
{
    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       *AlignOp = NULL;
    ASL_RESOURCE_NODE       *Rnode;
    UINT32                  CurrentByteOffset;
    UINT32                  i;


    InitializerOp = Info->DescriptorTypeOp->Asl.Child;
    CurrentByteOffset = Info->CurrentByteOffset;
    Rnode = RsAllocateResourceNode (sizeof (AML_RESOURCE_MEMORY32));

    Descriptor = Rnode->Buffer;
    Descriptor->Memory32.DescriptorType  = ACPI_RESOURCE_NAME_MEMORY32;
    Descriptor->Memory32.ResourceLength = 17;

    /* Process all child initialization nodes */

    for (i = 0; InitializerOp; i++)
    {
        switch (i)
        {
        case 0: /* Read/Write type */

            RsSetFlagBits (&Descriptor->Memory32.Flags, InitializerOp, 0, 1);
            RsCreateBitField (InitializerOp, ACPI_RESTAG_READWRITETYPE,
                CurrentByteOffset + ASL_RESDESC_OFFSET (Memory32.Flags), 0);
            break;

        case 1:  /* Min Address */

            Descriptor->Memory32.Minimum = (UINT32) InitializerOp->Asl.Value.Integer;
            RsCreateDwordField (InitializerOp, ACPI_RESTAG_MINADDR,
                CurrentByteOffset + ASL_RESDESC_OFFSET (Memory32.Minimum));
            MinOp = InitializerOp;
            break;

        case 2: /* Max Address */

            Descriptor->Memory32.Maximum = (UINT32) InitializerOp->Asl.Value.Integer;
            RsCreateDwordField (InitializerOp, ACPI_RESTAG_MAXADDR,
                CurrentByteOffset + ASL_RESDESC_OFFSET (Memory32.Maximum));
            MaxOp = InitializerOp;
            break;

        case 3: /* Alignment */

            Descriptor->Memory32.Alignment = (UINT32) InitializerOp->Asl.Value.Integer;
            RsCreateDwordField (InitializerOp, ACPI_RESTAG_ALIGNMENT,
                CurrentByteOffset + ASL_RESDESC_OFFSET (Memory32.Alignment));
            AlignOp = InitializerOp;
            break;

        case 4: /* Length */

            Descriptor->Memory32.AddressLength = (UINT32) InitializerOp->Asl.Value.Integer;
            RsCreateDwordField (InitializerOp, ACPI_RESTAG_LENGTH,
                CurrentByteOffset + ASL_RESDESC_OFFSET (Memory32.AddressLength));
            LengthOp = InitializerOp;
            break;

        case 5: /* Name */

            UtAttachNamepathToOwner (Info->DescriptorTypeOp, InitializerOp);
            break;

        default:

            AslError (ASL_ERROR, ASL_MSG_RESOURCE_LIST, InitializerOp, NULL);
            break;
        }

        InitializerOp = RsCompleteNodeAndGetNext (InitializerOp);
    }

    /* Validate the Min/Max/Len/Align values */

    RsSmallAddressCheck (ACPI_RESOURCE_NAME_MEMORY32,
        Descriptor->Memory32.Minimum,
        Descriptor->Memory32.Maximum,
        Descriptor->Memory32.AddressLength,
        Descriptor->Memory32.Alignment,
        MinOp, MaxOp, LengthOp, AlignOp, Info->DescriptorTypeOp);

    return (Rnode);
}