C++ ACPI_ADD_PTR函數代碼示例

static void
AcpiTbValidateFadt (
    void)
{
    UINT32                  *Address32;
    ACPI_GENERIC_ADDRESS    *Address64;
    UINT8                   Length;
    ACPI_NATIVE_UINT        i;


    /* Examine all of the 64-bit extended address fields (X fields) */

    for (i = 0; i < ACPI_FADT_INFO_ENTRIES; i++)
    {
        /* Generate pointers to the 32-bit and 64-bit addresses and get the length */

        Address64 = ACPI_ADD_PTR (ACPI_GENERIC_ADDRESS, &AcpiGbl_FADT, FadtInfoTable[i].Target);
        Address32 = ACPI_ADD_PTR (UINT32, &AcpiGbl_FADT, FadtInfoTable[i].Source);
        Length = *ACPI_ADD_PTR (UINT8, &AcpiGbl_FADT, FadtInfoTable[i].Length);

        if (FadtInfoTable[i].Type & ACPI_FADT_REQUIRED)
        {
            /*
             * Field is required (PM1aEvent, PM1aControl, PmTimer).
             * Both the address and length must be non-zero.
             */
            if (!Address64->Address || !Length)
            {
                ACPI_ERROR ((AE_INFO,
                    "Required field \"%s\" has zero address and/or length: %8.8X%8.8X/%X",
                    FadtInfoTable[i].Name, ACPI_FORMAT_UINT64 (Address64->Address), Length));
            }
        }
        else if (FadtInfoTable[i].Type & ACPI_FADT_SEPARATE_LENGTH)
        {
            /*
             * Field is optional (PM2Control, GPE0, GPE1) AND has its own
             * length field. If present, both the address and length must be valid.
             */
            if ((Address64->Address && !Length) || (!Address64->Address && Length))
            {
                ACPI_WARNING ((AE_INFO,
                    "Optional field \"%s\" has zero address or length: %8.8X%8.8X/%X",
                    FadtInfoTable[i].Name, ACPI_FORMAT_UINT64 (Address64->Address), Length));
            }
        }

        /* If both 32- and 64-bit addresses are valid (non-zero), they must match */

        if (Address64->Address && *Address32 &&
           (Address64->Address != (UINT64) *Address32))
        {
            ACPI_ERROR ((AE_INFO,
                "32/64X address mismatch in \"%s\": [%8.8X] [%8.8X%8.8X], using 64X",
                FadtInfoTable[i].Name, *Address32, ACPI_FORMAT_UINT64 (Address64->Address)));
        }
    }
}

void
AcpiRsDumpIrqList (
    UINT8                   *RouteTable)
{
    ACPI_PCI_ROUTING_TABLE  *PrtElement;
    UINT8                   Count;


    ACPI_FUNCTION_ENTRY ();


    /* Check if debug output enabled */

    if (!ACPI_IS_DEBUG_ENABLED (ACPI_LV_RESOURCES, _COMPONENT))
    {
        return;
    }

    PrtElement = ACPI_CAST_PTR (ACPI_PCI_ROUTING_TABLE, RouteTable);

    /* Dump all table elements, Exit on zero length element */

    for (Count = 0; PrtElement->Length; Count++)
    {
        AcpiOsPrintf ("\n[%02X] PCI IRQ Routing Table Package\n", Count);
        AcpiRsDumpDescriptor (PrtElement, AcpiRsDumpPrt);

        PrtElement = ACPI_ADD_PTR (ACPI_PCI_ROUTING_TABLE,
            PrtElement, PrtElement->Length);
    }
}

acpi_rs_length
acpi_rs_get_resource_source(acpi_rs_length resource_length,
			    acpi_rs_length minimum_length,
			    struct acpi_resource_source * resource_source,
			    union aml_resource * aml, char *string_ptr)
{
	acpi_rsdesc_size total_length;
	u8 *aml_resource_source;

	ACPI_FUNCTION_ENTRY();

	total_length =
	    resource_length + sizeof(struct aml_resource_large_header);
	aml_resource_source = ACPI_ADD_PTR(u8, aml, minimum_length);

	if (total_length > (acpi_rsdesc_size) (minimum_length + 1)) {

		

		resource_source->index = aml_resource_source[0];

		resource_source->string_ptr = string_ptr;
		if (!string_ptr) {
			resource_source->string_ptr =
			    ACPI_ADD_PTR(char, resource_source,
					 sizeof(struct acpi_resource_source));
		}

void
AcpiRsDumpIrqList (
    UINT8                   *RouteTable)
{
    ACPI_PCI_ROUTING_TABLE  *PrtElement;
    UINT8                   Count;


    ACPI_FUNCTION_ENTRY ();


    if (!(AcpiDbgLevel & ACPI_LV_RESOURCES) || !( _COMPONENT & AcpiDbgLayer))
    {
        return;
    }

    PrtElement = ACPI_CAST_PTR (ACPI_PCI_ROUTING_TABLE, RouteTable);

    /* Dump all table elements, Exit on zero length element */

    for (Count = 0; PrtElement->Length; Count++)
    {
        AcpiOsPrintf ("\n[%02X] PCI IRQ Routing Table Package\n", Count);
        AcpiRsDumpDescriptor (PrtElement, AcpiRsDumpPrt);

        PrtElement = ACPI_ADD_PTR (ACPI_PCI_ROUTING_TABLE,
                        PrtElement, PrtElement->Length);
    }
}

void
AcpiDmDumpMcfg (
    ACPI_TABLE_HEADER       *Table)
{
    ACPI_STATUS             Status;
    UINT32                  Offset = sizeof (ACPI_TABLE_MCFG);
    ACPI_MCFG_ALLOCATION    *SubTable;


    /* Main table */

    Status = AcpiDmDumpTable (Table->Length, 0, Table, 0, AcpiDmTableInfoMcfg);
    if (ACPI_FAILURE (Status))
    {
        return;
    }

    /* Sub-tables */

    SubTable = ACPI_ADD_PTR (ACPI_MCFG_ALLOCATION, Table, Offset);
    while (Offset < Table->Length)
    {
        if (Offset + sizeof (ACPI_MCFG_ALLOCATION) > Table->Length)
        {
            AcpiOsPrintf ("Warning: there are %d invalid trailing bytes\n",
                          sizeof (ACPI_MCFG_ALLOCATION) - (Offset - Table->Length));
            return;
        }

        AcpiOsPrintf ("\n");
        Status = AcpiDmDumpTable (Table->Length, Offset, SubTable,
                                  sizeof (ACPI_MCFG_ALLOCATION), AcpiDmTableInfoMcfg0);
        if (ACPI_FAILURE (Status))
        {
            return;
        }

        /* Point to next sub-table (each subtable is of fixed length) */

        Offset += sizeof (ACPI_MCFG_ALLOCATION);
        SubTable = ACPI_ADD_PTR (ACPI_MCFG_ALLOCATION, SubTable,
                                 sizeof (ACPI_MCFG_ALLOCATION));
    }
}

void
AcpiDmDumpTpm2 (
    ACPI_TABLE_HEADER       *Table)
{
    UINT32                  Offset = sizeof (ACPI_TABLE_TPM2);
    ACPI_TABLE_TPM2         *CommonHeader = ACPI_CAST_PTR (ACPI_TABLE_TPM2, Table);
    ACPI_TPM2_TRAILER       *Subtable = ACPI_ADD_PTR (ACPI_TPM2_TRAILER, Table, Offset);
    ACPI_TPM2_ARM_SMC       *ArmSubtable;
    ACPI_STATUS             Status;


    /* Main table */

    Status = AcpiDmDumpTable (Table->Length, 0, Table, 0, AcpiDmTableInfoTpm2);
    if (ACPI_FAILURE (Status))
    {
        return;
    }

    AcpiOsPrintf ("\n");
    Status = AcpiDmDumpTable (Table->Length, Offset, Subtable,
        Table->Length - Offset, AcpiDmTableInfoTpm2a);
    if (ACPI_FAILURE (Status))
    {
        return;
    }

    switch (CommonHeader->StartMethod)
    {
    case ACPI_TPM2_COMMAND_BUFFER_WITH_ARM_SMC:

        ArmSubtable = ACPI_ADD_PTR (ACPI_TPM2_ARM_SMC, Subtable,
            sizeof (ACPI_TPM2_TRAILER));
        Offset += sizeof (ACPI_TPM2_TRAILER);

        AcpiOsPrintf ("\n");
        Status = AcpiDmDumpTable (Table->Length, Offset, ArmSubtable,
            Table->Length - Offset, AcpiDmTableInfoTpm211);
        break;

    default:
        break;
    }
}

void
AcpiDmVendorLargeDescriptor (
    AML_RESOURCE            *Resource,
    UINT32                  Length,
    UINT32                  Level)
{

    AcpiDmVendorCommon ("Long ",
        ACPI_ADD_PTR (UINT8, Resource, sizeof (AML_RESOURCE_LARGE_HEADER)),
        Length, Level);
}

void
AcpiDmVendorSmallDescriptor (
    AML_RESOURCE            *Resource,
    UINT32                  Length,
    UINT32                  Level)
{

    AcpiDmVendorCommon ("Short",
        ACPI_ADD_PTR (UINT8, Resource, sizeof (AML_RESOURCE_SMALL_HEADER)),
        Length, Level);
}

void
AcpiDmDumpTcpa (
    ACPI_TABLE_HEADER       *Table)
{
    UINT32                  Offset = sizeof (ACPI_TABLE_TCPA_HDR);
    ACPI_TABLE_TCPA_HDR     *CommonHeader = ACPI_CAST_PTR (
                                ACPI_TABLE_TCPA_HDR, Table);
    ACPI_TABLE_TCPA_HDR     *Subtable = ACPI_ADD_PTR (
                                ACPI_TABLE_TCPA_HDR, Table, Offset);
    ACPI_STATUS             Status;


    /* Main table */

    Status = AcpiDmDumpTable (Table->Length, 0, Table,
        0, AcpiDmTableInfoTcpaHdr);
    if (ACPI_FAILURE (Status))
    {
        return;
    }

    /*
     * Examine the PlatformClass field to determine the table type.
     * Either a client or server table. Only one.
     */
    switch (CommonHeader->PlatformClass)
    {
    case ACPI_TCPA_CLIENT_TABLE:

        Status = AcpiDmDumpTable (Table->Length, Offset, Subtable,
            Table->Length - Offset, AcpiDmTableInfoTcpaClient);
        break;

    case ACPI_TCPA_SERVER_TABLE:

        Status = AcpiDmDumpTable (Table->Length, Offset, Subtable,
            Table->Length - Offset, AcpiDmTableInfoTcpaServer);
        break;

    default:

        AcpiOsPrintf ("\n**** Unknown TCPA Platform Class 0x%X\n",
            CommonHeader->PlatformClass);
        Status = AE_ERROR;
        break;
    }

    if (ACPI_FAILURE (Status))
    {
        AcpiOsPrintf ("\n**** Cannot disassemble TCPA table\n");
    }
}

void
AcpiDmDumpWdat (
    ACPI_TABLE_HEADER       *Table)
{
    ACPI_STATUS             Status;
    UINT32                  Offset = sizeof (ACPI_TABLE_WDAT);
    ACPI_WDAT_ENTRY         *Subtable;


    /* Main table */

    Status = AcpiDmDumpTable (Table->Length, 0, Table, 0, AcpiDmTableInfoWdat);
    if (ACPI_FAILURE (Status))
    {
        return;
    }

    /* Subtables */

    Subtable = ACPI_ADD_PTR (ACPI_WDAT_ENTRY, Table, Offset);
    while (Offset < Table->Length)
    {
        /* Common subtable header */

        AcpiOsPrintf ("\n");
        Status = AcpiDmDumpTable (Table->Length, Offset, Subtable,
            sizeof (ACPI_WDAT_ENTRY), AcpiDmTableInfoWdat0);
        if (ACPI_FAILURE (Status))
        {
            return;
        }

        /* Point to next subtable */

        Offset += sizeof (ACPI_WDAT_ENTRY);
        Subtable = ACPI_ADD_PTR (ACPI_WDAT_ENTRY, Subtable,
            sizeof (ACPI_WDAT_ENTRY));
    }
}

void
AcpiDmDumpErst (
    ACPI_TABLE_HEADER       *Table)
{
    ACPI_STATUS             Status;
    ACPI_WHEA_HEADER        *SubTable;
    UINT32                  Length = Table->Length;
    UINT32                  Offset = sizeof (ACPI_TABLE_ERST);


    /* Main table */

    Status = AcpiDmDumpTable (Length, 0, Table, 0, AcpiDmTableInfoErst);
    if (ACPI_FAILURE (Status))
    {
        return;
    }

    /* Sub-tables */

    SubTable = ACPI_ADD_PTR (ACPI_WHEA_HEADER, Table, Offset);
    while (Offset < Table->Length)
    {
        AcpiOsPrintf ("\n");
        Status = AcpiDmDumpTable (Length, Offset, SubTable,
                                  sizeof (ACPI_WHEA_HEADER), AcpiDmTableInfoEinj0);
        if (ACPI_FAILURE (Status))
        {
            return;
        }

        /* Point to next sub-table (each subtable is of fixed length) */

        Offset += sizeof (ACPI_WHEA_HEADER);
        SubTable = ACPI_ADD_PTR (ACPI_WHEA_HEADER, SubTable,
                                 sizeof (ACPI_WHEA_HEADER));
    }
}

static struct acpi_subtable_header *acpi_get_pptt_resource(struct acpi_table_header *table_hdr,
							   struct acpi_pptt_processor *node,
							   int resource)
{
	u32 *ref;

	if (resource >= node->number_of_priv_resources)
		return NULL;

	ref = ACPI_ADD_PTR(u32, node, sizeof(struct acpi_pptt_processor));
	ref += resource;

	return fetch_pptt_subtable(table_hdr, *ref);
}

void
AcpiDmDumpCpep (
    ACPI_TABLE_HEADER       *Table)
{
    ACPI_STATUS             Status;
    ACPI_CPEP_POLLING       *SubTable;
    UINT32                  Length = Table->Length;
    UINT32                  Offset = sizeof (ACPI_TABLE_CPEP);


    /* Main table */

    Status = AcpiDmDumpTable (Length, 0, Table, 0, AcpiDmTableInfoCpep);
    if (ACPI_FAILURE (Status))
    {
        return;
    }

    /* Sub-tables */

    SubTable = ACPI_ADD_PTR (ACPI_CPEP_POLLING, Table, Offset);
    while (Offset < Table->Length)
    {
        AcpiOsPrintf ("\n");
        Status = AcpiDmDumpTable (Length, Offset, SubTable,
                                  SubTable->Length, AcpiDmTableInfoCpep0);
        if (ACPI_FAILURE (Status))
        {
            return;
        }

        /* Point to next sub-table */

        Offset += SubTable->Length;
        SubTable = ACPI_ADD_PTR (ACPI_CPEP_POLLING, SubTable, SubTable->Length);
    }
}

void
AcpiRsDumpResourceList (
    ACPI_RESOURCE           *ResourceList)
{
    UINT32                  Count = 0;
    UINT32                  Type;


    ACPI_FUNCTION_ENTRY ();


    if (!(AcpiDbgLevel & ACPI_LV_RESOURCES) || !( _COMPONENT & AcpiDbgLayer))
    {
        return;
    }

    /* Walk list and dump all resource descriptors (END_TAG terminates) */

    do
    {
        AcpiOsPrintf ("\n[%02X] ", Count);
        Count++;

        /* Validate Type before dispatch */

        Type = ResourceList->Type;
        if (Type > ACPI_RESOURCE_TYPE_MAX)
        {
            AcpiOsPrintf (
                "Invalid descriptor type (%X) in resource list\n",
                ResourceList->Type);
            return;
        }

        /* Dump the resource descriptor */

        AcpiRsDumpDescriptor (&ResourceList->Data,
            AcpiGbl_DumpResourceDispatch[Type]);

        /* Point to the next resource structure */

        ResourceList = ACPI_ADD_PTR (ACPI_RESOURCE, ResourceList,
                            ResourceList->Length);

        /* Exit when END_TAG descriptor is reached */

    } while (Type != ACPI_RESOURCE_TYPE_END_TAG);
}

static void
AcpiDmResourceSource (
    AML_RESOURCE            *Resource,
    ACPI_SIZE               MinimumTotalLength,
    UINT32                  ResourceLength)
{
    UINT8                   *AmlResourceSource;
    UINT32                  TotalLength;


    TotalLength = ResourceLength + sizeof (AML_RESOURCE_LARGE_HEADER);

    /* Check if the optional ResourceSource fields are present */

    if (TotalLength <= MinimumTotalLength)
    {
        /* The two optional fields are not used */

        AcpiOsPrintf (",, ");
        return;
    }

    /* Get a pointer to the ResourceSource */

    AmlResourceSource = ACPI_ADD_PTR (UINT8, Resource, MinimumTotalLength);

    /*
     * Always emit the ResourceSourceIndex (Byte)
     *
     * NOTE: Some ASL compilers always create a 0 byte (in the AML) for the
     * Index even if the String does not exist. Although this is in violation
     * of the ACPI specification, it is very important to emit ASL code that
     * can be compiled back to the identical AML. There may be fields and/or
     * indexes into the resource template buffer that are compiled to absolute
     * offsets, and these will be broken if the AML length is changed.
     */
    AcpiOsPrintf ("0x%2.2X,", (UINT32) AmlResourceSource[0]);

    /* Make sure that the ResourceSource string exists before dumping it */

    if (TotalLength > (MinimumTotalLength + 1))
    {
        AcpiOsPrintf (" ");
        AcpiUtPrintString ((char *) &AmlResourceSource[1], ACPI_UINT16_MAX);
    }

    AcpiOsPrintf (", ");
}