C++ RsAllocateResourceNode函数代码示例

ASL_RESOURCE_NODE *
RsDoVendorSmallDescriptor (
    ACPI_PARSE_OBJECT       *Op,
    UINT32                  CurrentByteOffset)
{
    AML_RESOURCE            *Descriptor;
    ACPI_PARSE_OBJECT       *InitializerOp;
    ASL_RESOURCE_NODE       *Rnode;
    UINT8                   *VendorData;
    UINT32                  i;


    InitializerOp = Op->Asl.Child;

    /* Allocate worst case - 7 vendor bytes */

    Rnode = RsAllocateResourceNode (sizeof (AML_RESOURCE_VENDOR_SMALL) + 7);

    Descriptor = Rnode->Buffer;
    Descriptor->VendorSmall.DescriptorType  = ACPI_RESOURCE_NAME_VENDOR_SMALL;
    VendorData = ((UINT8 *) Descriptor) + sizeof (AML_RESOURCE_SMALL_HEADER);

    /* Process all child initialization nodes */

    InitializerOp = RsCompleteNodeAndGetNext (InitializerOp);
    for (i = 0; InitializerOp; i++)
    {
        if (InitializerOp->Asl.ParseOpcode == PARSEOP_DEFAULT_ARG)
        {
            break;
        }

        /* Maximum 7 vendor data bytes allowed (0-6) */

        if (i >= 7)
        {
            AslError (ASL_ERROR, ASL_MSG_VENDOR_LIST, InitializerOp, NULL);

            /* Eat the excess initializers */

            while (InitializerOp)
            {
                InitializerOp = RsCompleteNodeAndGetNext (InitializerOp);
            }
            break;
        }

        VendorData[i] = (UINT8) InitializerOp->Asl.Value.Integer;
        InitializerOp = RsCompleteNodeAndGetNext (InitializerOp);
    }

    /* Adjust the Rnode buffer size, so correct number of bytes are emitted */

    Rnode->BufferLength -= (7 - i);

    /* Set the length in the Type Tag */

    Descriptor->VendorSmall.DescriptorType |= (UINT8) i;
    return (Rnode);
}

ASL_RESOURCE_NODE *
RsDoFixedDmaDescriptor (
    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_DMA));

    Descriptor = Rnode->Buffer;
    Descriptor->FixedDma.DescriptorType =
        ACPI_RESOURCE_NAME_FIXED_DMA | ASL_RDESC_FIXED_DMA_SIZE;

    /* Process all child initialization nodes */

    for (i = 0; InitializerOp; i++)
    {
        switch (i)
        {
        case 0: /* DMA Request Lines [WORD] (_DMA) */

            Descriptor->FixedDma.RequestLines = (UINT16) InitializerOp->Asl.Value.Integer;
            RsCreateWordField (InitializerOp, ACPI_RESTAG_DMA,
                               CurrentByteOffset + ASL_RESDESC_OFFSET (FixedDma.RequestLines));
            break;

        case 1: /* DMA Channel [WORD] (_TYP) */

            Descriptor->FixedDma.Channels = (UINT16) InitializerOp->Asl.Value.Integer;
            RsCreateWordField (InitializerOp, ACPI_RESTAG_DMATYPE,
                               CurrentByteOffset + ASL_RESDESC_OFFSET (FixedDma.Channels));
            break;

        case 2: /* Transfer Width [BYTE] (_SIZ) */

            Descriptor->FixedDma.Width = (UINT8) InitializerOp->Asl.Value.Integer;
            RsCreateByteField (InitializerOp, ACPI_RESTAG_XFERTYPE,
                               CurrentByteOffset + ASL_RESDESC_OFFSET (FixedDma.Width));
            break;

        case 3: /* Descriptor Name (optional) */

            UtAttachNamepathToOwner (Op, InitializerOp);
            break;

        default:    /* Ignore any extra nodes */

            break;
        }

        InitializerOp = RsCompleteNodeAndGetNext (InitializerOp);
    }

    return (Rnode);
}

ASL_RESOURCE_NODE *
RsDoFixedIoDescriptor (
    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_IO));

    Descriptor = Rnode->Buffer;
    Descriptor->Io.DescriptorType  = ACPI_RESOURCE_NAME_FIXED_IO |
                                      ASL_RDESC_FIXED_IO_SIZE;

    /* Process all child initialization nodes */

    for (i = 0; InitializerOp; i++)
    {
        switch (i)
        {
        case 0: /* Base Address */

            Descriptor->FixedIo.Address =
                (UINT16) InitializerOp->Asl.Value.Integer;
            RsCreateByteField (InitializerOp, ACPI_RESTAG_BASEADDRESS,
                CurrentByteOffset + ASL_RESDESC_OFFSET (FixedIo.Address));
            break;

        case 1: /* Length */

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

        case 2: /* Name */

            UtAttachNamepathToOwner (Op, InitializerOp);
            break;

        default:

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

        InitializerOp = RsCompleteNodeAndGetNext (InitializerOp);
    }

    return (Rnode);
}

ASL_RESOURCE_NODE *
RsDoVendorLargeDescriptor (
    ACPI_PARSE_OBJECT       *Op,
    UINT32                  CurrentByteOffset)
{
    AML_RESOURCE            *Descriptor;
    ACPI_PARSE_OBJECT       *InitializerOp;
    ASL_RESOURCE_NODE       *Rnode;
    UINT8                   *VendorData;
    UINT32                  i;


    /* Count the number of data bytes */

    InitializerOp = Op->Asl.Child;
    InitializerOp = RsCompleteNodeAndGetNext (InitializerOp);

    for (i = 0; InitializerOp; i++)
    {
        if (InitializerOp->Asl.ParseOpcode == PARSEOP_DEFAULT_ARG)
        {
            break;
        }
        InitializerOp = InitializerOp->Asl.Next;
    }

    InitializerOp = Op->Asl.Child;
    InitializerOp = RsCompleteNodeAndGetNext (InitializerOp);
    Rnode = RsAllocateResourceNode (sizeof (AML_RESOURCE_VENDOR_LARGE) + i);

    Descriptor = Rnode->Buffer;
    Descriptor->VendorLarge.DescriptorType  = ACPI_RESOURCE_NAME_VENDOR_LARGE;
    Descriptor->VendorLarge.ResourceLength = (UINT16) i;

    /* Point to end-of-descriptor for vendor data */

    VendorData = ((UINT8 *) Descriptor) + sizeof (AML_RESOURCE_LARGE_HEADER);

    /* Process all child initialization nodes */

    for (i = 0; InitializerOp; i++)
    {
        if (InitializerOp->Asl.ParseOpcode == PARSEOP_DEFAULT_ARG)
        {
            break;
        }

        VendorData[i] = (UINT8) InitializerOp->Asl.Value.Integer;
        InitializerOp = RsCompleteNodeAndGetNext (InitializerOp);
    }

    return (Rnode);
}

ASL_RESOURCE_NODE *
RsDoStartDependentNoPriDescriptor (
    ASL_RESOURCE_INFO       *Info)
{
    AML_RESOURCE            *Descriptor;
    ACPI_PARSE_OBJECT       *InitializerOp;
    ASL_RESOURCE_NODE       *Rnode;
    ASL_RESOURCE_NODE       *PreviousRnode;
    ASL_RESOURCE_NODE       *NextRnode;
    ASL_RESOURCE_INFO       NextInfo;
    UINT32                  CurrentByteOffset;
    UINT8                   State;


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

    Descriptor = Rnode->Buffer;
    Descriptor->StartDpf.DescriptorType  = ACPI_RESOURCE_NAME_START_DEPENDENT |
                                      ASL_RDESC_ST_DEPEND_SIZE;
    PreviousRnode = Rnode;

    /* Increment offset past StartDependentNoPri descriptor */

    CurrentByteOffset += sizeof (AML_RESOURCE_START_DEPENDENT_NOPRIO);

    /* Process all child initialization nodes */

    State = ACPI_RSTATE_START_DEPENDENT;
    while (InitializerOp)
    {
        NextInfo.CurrentByteOffset = CurrentByteOffset;
        NextInfo.DescriptorTypeOp = InitializerOp;

        NextRnode = RsDoOneResourceDescriptor (&NextInfo, &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);

        InitializerOp = RsCompleteNodeAndGetNext (InitializerOp);
    }

    return (Rnode);
}

ASL_RESOURCE_NODE *
RsDoEndDependentDescriptor (
    ASL_RESOURCE_INFO       *Info)
{
    AML_RESOURCE            *Descriptor;
    ASL_RESOURCE_NODE       *Rnode;


    Rnode = RsAllocateResourceNode (sizeof (AML_RESOURCE_END_DEPENDENT));

    Descriptor = Rnode->Buffer;
    Descriptor->EndDpf.DescriptorType  = ACPI_RESOURCE_NAME_END_DEPENDENT |
                                      ASL_RDESC_END_DEPEND_SIZE;
    return (Rnode);
}

ASL_RESOURCE_NODE *
RsDoEndTagDescriptor (
    ASL_RESOURCE_INFO       *Info)
{
    AML_RESOURCE            *Descriptor;
    ASL_RESOURCE_NODE       *Rnode;


    Rnode = RsAllocateResourceNode (sizeof (AML_RESOURCE_END_TAG));

    Descriptor = Rnode->Buffer;
    Descriptor->EndTag.DescriptorType = ACPI_RESOURCE_NAME_END_TAG |
                                        ASL_RDESC_END_TAG_SIZE;
    Descriptor->EndTag.Checksum = 0;
    return (Rnode);
}

ASL_RESOURCE_NODE *
RsDoEndDependentDescriptor (
    ACPI_PARSE_OBJECT       *Op,
    UINT32                  CurrentByteOffset)
{
    AML_RESOURCE            *Descriptor;
    ASL_RESOURCE_NODE       *Rnode;


    Rnode = RsAllocateResourceNode (sizeof (AML_RESOURCE_END_DEPENDENT));

    Descriptor = Rnode->Buffer;
    Descriptor->EndDpf.DescriptorType  = ACPI_RESOURCE_NAME_END_DEPENDENT |
                                      ASL_RDESC_END_DEPEND_SIZE;
    return (Rnode);
}

ASL_RESOURCE_NODE *
RsDoEndTagDescriptor (
    ACPI_PARSE_OBJECT       *Op,
    UINT32                  CurrentByteOffset)
{
    AML_RESOURCE            *Descriptor;
    ASL_RESOURCE_NODE       *Rnode;


    Rnode = RsAllocateResourceNode (sizeof (AML_RESOURCE_END_TAG));

    Descriptor = Rnode->Buffer;
    Descriptor->EndTag.DescriptorType = ACPI_RESOURCE_NAME_END_TAG |
                                        ASL_RDESC_END_TAG_SIZE;
    Descriptor->EndTag.Checksum = 0;

    return (Rnode);
}

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 *
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 *
RsDoGeneralRegisterDescriptor (
    ASL_RESOURCE_INFO       *Info)
{
    AML_RESOURCE            *Descriptor;
    ACPI_PARSE_OBJECT       *InitializerOp;
    ASL_RESOURCE_NODE       *Rnode;
    UINT32                  CurrentByteOffset;
    UINT32                  i;


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

    Descriptor = Rnode->Buffer;
    Descriptor->GenericReg.DescriptorType = ACPI_RESOURCE_NAME_GENERIC_REGISTER;
    Descriptor->GenericReg.ResourceLength = 12;

    /* Process all child initialization nodes */

    for (i = 0; InitializerOp; i++)
    {
        switch (i)
        {
        case 0: /* Address space */

            Descriptor->GenericReg.AddressSpaceId = (UINT8) InitializerOp->Asl.Value.Integer;
            RsCreateByteField (InitializerOp, ACPI_RESTAG_ADDRESSSPACE,
                CurrentByteOffset + ASL_RESDESC_OFFSET (GenericReg.AddressSpaceId));
           break;

        case 1: /* Register Bit Width */

            Descriptor->GenericReg.BitWidth = (UINT8) InitializerOp->Asl.Value.Integer;
            RsCreateByteField (InitializerOp, ACPI_RESTAG_REGISTERBITWIDTH,
                CurrentByteOffset + ASL_RESDESC_OFFSET (GenericReg.BitWidth));
            break;

        case 2: /* Register Bit Offset */

            Descriptor->GenericReg.BitOffset = (UINT8) InitializerOp->Asl.Value.Integer;
            RsCreateByteField (InitializerOp, ACPI_RESTAG_REGISTERBITOFFSET,
                CurrentByteOffset + ASL_RESDESC_OFFSET (GenericReg.BitOffset));
            break;

        case 3: /* Register Address */

            Descriptor->GenericReg.Address = InitializerOp->Asl.Value.Integer;
            RsCreateQwordField (InitializerOp, ACPI_RESTAG_ADDRESS,
                CurrentByteOffset + ASL_RESDESC_OFFSET (GenericReg.Address));
            break;

        case 4: /* Access Size (ACPI 3.0) */

            Descriptor->GenericReg.AccessSize = (UINT8) InitializerOp->Asl.Value.Integer;
            RsCreateByteField (InitializerOp, ACPI_RESTAG_ACCESSSIZE,
                CurrentByteOffset + ASL_RESDESC_OFFSET (GenericReg.AccessSize));

            if (Descriptor->GenericReg.AddressSpaceId == ACPI_ADR_SPACE_PLATFORM_COMM)
            {
                break;
            }

            if (Descriptor->GenericReg.AccessSize > AML_FIELD_ACCESS_QWORD)
            {
                AslError (ASL_ERROR, ASL_MSG_INVALID_ACCESS_SIZE,
                    InitializerOp, NULL);
            }
            break;

        case 5: /* ResourceTag (ACPI 3.0b) */

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

        default:

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

        InitializerOp = RsCompleteNodeAndGetNext (InitializerOp);
    }

    return (Rnode);
}

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.........