C++ ACPI_TO_INTEGER函数代码示例

static ACPI_STATUS
LsAmlListingWalk (
    ACPI_PARSE_OBJECT       *Op,
    UINT32                  Level,
    void                    *Context)
{
    UINT8                   FileByte;
    UINT32                  i;
    UINT32                  FileId = (UINT32) ACPI_TO_INTEGER (Context);


    LsWriteNodeToListing (Op, FileId);

    if (Op->Asl.CompileFlags & NODE_IS_RESOURCE_DATA)
    {
        /* Buffer is a resource template, don't dump the data all at once */

        return (AE_OK);
    }

    /* Write the hex bytes to the listing file(s) (if requested) */

    for (i = 0; i < Op->Asl.FinalAmlLength; i++)
    {
        if (ACPI_FAILURE (FlReadFile (ASL_FILE_AML_OUTPUT, &FileByte, 1)))
        {
            FlFileError (ASL_FILE_AML_OUTPUT, ASL_MSG_READ);
            AslAbort ();
        }
        LsWriteListingHexBytes (&FileByte, 1, FileId);
    }

    return (AE_OK);
}

void acpi_os_unmap_memory(void *where, acpi_size length)
{
	acpi_physical_address offset;
	acpi_size page_size;

	page_size = acpi_os_get_page_size();
	offset = ACPI_TO_INTEGER(where) % page_size;
	munmap((u8 *)where - offset, (length + offset));
}

void
AcpiOsUnmapMemory (
    void                    *Where,
    ACPI_SIZE               Length)
{
    ACPI_PHYSICAL_ADDRESS   Offset;
    ACPI_SIZE               PageSize;


    PageSize = AcpiOsGetPageSize ();
    Offset = ACPI_TO_INTEGER (Where) % PageSize;
    munmap ((UINT8 *) Where - Offset, (Length + Offset));
}

static ACPI_STATUS
AeSetupConfiguration (
    void                    *RegionAddr)
{
    ACPI_OBJECT_LIST        ArgList;
    ACPI_OBJECT             Arg[3];


    /*
     * Invoke _CFG method if present
     */
    ArgList.Count = 1;
    ArgList.Pointer = Arg;

    Arg[0].Type = ACPI_TYPE_INTEGER;
    Arg[0].Integer.Value = ACPI_TO_INTEGER (RegionAddr);

    (void) AcpiEvaluateObject (NULL, "\\_CFG", &ArgList, NULL);
    return (AE_OK);
}

void
ExInitializeAcpiTables (
    void)
{

    /* Setup RSDP */

    Rsdp->RsdtPhysicalAddress = (UINT32) ACPI_TO_INTEGER (RsdtCode);
    Rsdp->XsdtPhysicalAddress = (UINT64) ACPI_TO_INTEGER (XsdtCode);

    /* RSDT and XSDT */

    Rsdt->TableOffsetEntry[0] = (UINT32) ACPI_TO_INTEGER (FadtCode);
    Xsdt->TableOffsetEntry[0] = (UINT64) ACPI_TO_INTEGER (FadtCode);

    /* FADT */

    Fadt->Facs = 0;
    Fadt->Dsdt = 0;
    Fadt->XFacs = (UINT64) ACPI_TO_INTEGER (FacsCode);
    Fadt->XDsdt = (UINT64) ACPI_TO_INTEGER (DsdtCode);

    /* Set new checksums for the modified tables */

    Rsdp->Checksum = 0;
    Rsdp->Checksum = (UINT8) -AcpiTbChecksum (
        (void *) RsdpCode, ACPI_RSDP_CHECKSUM_LENGTH);

    Rsdt->Header.Checksum = 0;
    Rsdt->Header.Checksum = (UINT8) -AcpiTbChecksum (
        (void *) Rsdt, Rsdt->Header.Length);

    Xsdt->Header.Checksum = 0;
    Xsdt->Header.Checksum =  (UINT8) -AcpiTbChecksum (
        (void *) Xsdt, Xsdt->Header.Length);

    Fadt->Header.Checksum = 0;
    Fadt->Header.Checksum =  (UINT8) -AcpiTbChecksum (
        (void *) Fadt, Fadt->Header.Length);
}

acpi_status
acpi_tb_find_rsdp (
	struct acpi_table_desc          *table_info,
	u32                             flags)
{
	u8                              *table_ptr;
	u8                              *mem_rover;
	u64                             phys_addr;
	acpi_status                     status = AE_OK;


	ACPI_FUNCTION_TRACE ("tb_find_rsdp");


	/*
	 * Scan supports either 1) Logical addressing or 2) Physical addressing
	 */
	if ((flags & ACPI_MEMORY_MODE) == ACPI_LOGICAL_ADDRESSING) {
		/*
		 * 1) Search EBDA (low memory) paragraphs
		 */
		status = acpi_os_map_memory ((u64) ACPI_LO_RSDP_WINDOW_BASE, ACPI_LO_RSDP_WINDOW_SIZE,
				  (void *) &table_ptr);
		if (ACPI_FAILURE (status)) {
			ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Could not map memory at %X for length %X\n",
				ACPI_LO_RSDP_WINDOW_BASE, ACPI_LO_RSDP_WINDOW_SIZE));
			return_ACPI_STATUS (status);
		}

		mem_rover = acpi_tb_scan_memory_for_rsdp (table_ptr, ACPI_LO_RSDP_WINDOW_SIZE);
		acpi_os_unmap_memory (table_ptr, ACPI_LO_RSDP_WINDOW_SIZE);

		if (mem_rover) {
			/* Found it, return the physical address */

			phys_addr = ACPI_LO_RSDP_WINDOW_BASE;
			phys_addr += ACPI_PTR_DIFF (mem_rover,table_ptr);

			table_info->physical_address = phys_addr;
			return_ACPI_STATUS (AE_OK);
		}

		/*
		 * 2) Search upper memory: 16-byte boundaries in E0000h-F0000h
		 */
		status = acpi_os_map_memory ((u64) ACPI_HI_RSDP_WINDOW_BASE, ACPI_HI_RSDP_WINDOW_SIZE,
				  (void *) &table_ptr);
		if (ACPI_FAILURE (status)) {
			ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Could not map memory at %X for length %X\n",
				ACPI_HI_RSDP_WINDOW_BASE, ACPI_HI_RSDP_WINDOW_SIZE));
			return_ACPI_STATUS (status);
		}

		mem_rover = acpi_tb_scan_memory_for_rsdp (table_ptr, ACPI_HI_RSDP_WINDOW_SIZE);
		acpi_os_unmap_memory (table_ptr, ACPI_HI_RSDP_WINDOW_SIZE);

		if (mem_rover) {
			/* Found it, return the physical address */

			phys_addr = ACPI_HI_RSDP_WINDOW_BASE;
			phys_addr += ACPI_PTR_DIFF (mem_rover, table_ptr);

			table_info->physical_address = phys_addr;
			return_ACPI_STATUS (AE_OK);
		}
	}

	/*
	 * Physical addressing
	 */
	else {
		/*
		 * 1) Search EBDA (low memory) paragraphs
		 */
		mem_rover = acpi_tb_scan_memory_for_rsdp (ACPI_PHYSADDR_TO_PTR (ACPI_LO_RSDP_WINDOW_BASE),
				  ACPI_LO_RSDP_WINDOW_SIZE);
		if (mem_rover) {
			/* Found it, return the physical address */

			table_info->physical_address = ACPI_TO_INTEGER (mem_rover);
			return_ACPI_STATUS (AE_OK);
		}

		/*
		 * 2) Search upper memory: 16-byte boundaries in E0000h-F0000h
		 */
		mem_rover = acpi_tb_scan_memory_for_rsdp (ACPI_PHYSADDR_TO_PTR (ACPI_HI_RSDP_WINDOW_BASE),
				  ACPI_HI_RSDP_WINDOW_SIZE);
		if (mem_rover) {
			/* Found it, return the physical address */

			table_info->physical_address = ACPI_TO_INTEGER (mem_rover);
			return_ACPI_STATUS (AE_OK);
		}
	}

	/* RSDP signature was not found */

	return_ACPI_STATUS (AE_NOT_FOUND);
}

//.........这里部分代码省略.........

        if (ObjDesc->Buffer.Length < sizeof (ACPI_TABLE_HEADER))
        {
            return_ACPI_STATUS (AE_INVALID_TABLE_LENGTH);
        }

        /* Get the actual table length from the table header */

        Table = ACPI_CAST_PTR (ACPI_TABLE_HEADER, ObjDesc->Buffer.Pointer);
        Length = Table->Length;

        /* Table cannot extend beyond the buffer */

        if (Length > ObjDesc->Buffer.Length)
        {
            return_ACPI_STATUS (AE_AML_BUFFER_LIMIT);
        }
        if (Length < sizeof (ACPI_TABLE_HEADER))
        {
            return_ACPI_STATUS (AE_INVALID_TABLE_LENGTH);
        }

        /*
         * Copy the table from the buffer because the buffer could be modified
         * or even deleted in the future
         */
        TableDesc.Pointer = ACPI_ALLOCATE (Length);
        if (!TableDesc.Pointer)
        {
            return_ACPI_STATUS (AE_NO_MEMORY);
        }

        ACPI_MEMCPY (TableDesc.Pointer, Table, Length);
        TableDesc.Address = ACPI_TO_INTEGER (TableDesc.Pointer);
        break;


    default:
        return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
    }

    /* Validate table checksum (will not get validated in TbAddTable) */

    Status = AcpiTbVerifyChecksum (TableDesc.Pointer, Length);
    if (ACPI_FAILURE (Status))
    {
        ACPI_FREE (TableDesc.Pointer);
        return_ACPI_STATUS (Status);
    }

    /* Complete the table descriptor */

    TableDesc.Length = Length;
    TableDesc.Flags = ACPI_TABLE_ORIGIN_ALLOCATED;

    /* Install the new table into the local data structures */

    Status = AcpiTbAddTable (&TableDesc, &TableIndex);
    if (ACPI_FAILURE (Status))
    {
        /* Delete allocated table buffer */

        AcpiTbDeleteTable (&TableDesc);
        return_ACPI_STATUS (Status);
    }

acpi_status acpi_ns_root_initialize(void)
{
	acpi_status status;
	const struct acpi_predefined_names *init_val = NULL;
	struct acpi_namespace_node *new_node;
	union acpi_operand_object *obj_desc;
	acpi_string val = NULL;

	ACPI_FUNCTION_TRACE(ns_root_initialize);

	status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE);
	if (ACPI_FAILURE(status)) {
		return_ACPI_STATUS(status);
	}

	if (acpi_gbl_root_node) {
		status = AE_OK;
		goto unlock_and_exit;
	}

	acpi_gbl_root_node = &acpi_gbl_root_node_struct;

	

	ACPI_DEBUG_PRINT((ACPI_DB_INFO,
			  "Entering predefined entries into namespace\n"));

	for (init_val = acpi_gbl_pre_defined_names; init_val->name; init_val++) {

		

		if (!ACPI_STRCMP(init_val->name, "_OSI")
		    && !acpi_gbl_create_osi_method) {
			continue;
		}

		status = acpi_ns_lookup(NULL, init_val->name, init_val->type,
					ACPI_IMODE_LOAD_PASS2,
					ACPI_NS_NO_UPSEARCH, NULL, &new_node);

		if (ACPI_FAILURE(status) || (!new_node)) {	
			ACPI_EXCEPTION((AE_INFO, status,
					"Could not create predefined name %s",
					init_val->name));
		}

		if (init_val->val) {
			status = acpi_os_predefined_override(init_val, &val);
			if (ACPI_FAILURE(status)) {
				ACPI_ERROR((AE_INFO,
					    "Could not override predefined %s",
					    init_val->name));
			}

			if (!val) {
				val = init_val->val;
			}

			obj_desc =
			    acpi_ut_create_internal_object(init_val->type);
			if (!obj_desc) {
				status = AE_NO_MEMORY;
				goto unlock_and_exit;
			}

			switch (init_val->type) {
			case ACPI_TYPE_METHOD:
				obj_desc->method.param_count =
				    (u8) ACPI_TO_INTEGER(val);
				obj_desc->common.flags |= AOPOBJ_DATA_VALID;

#if defined (ACPI_ASL_COMPILER)

				

				new_node->value = obj_desc->method.param_count;
#else
				

				obj_desc->method.info_flags =
				    ACPI_METHOD_INTERNAL_ONLY;
				obj_desc->method.dispatch.implementation =
				    acpi_ut_osi_implementation;
#endif
				break;

			case ACPI_TYPE_INTEGER:

				obj_desc->integer.value = ACPI_TO_INTEGER(val);
				break;

			case ACPI_TYPE_STRING:

				

				obj_desc->string.length =
				    (u32) ACPI_STRLEN(val);
				obj_desc->string.pointer = val;
				obj_desc->common.flags |= AOPOBJ_STATIC_POINTER;
				break;
//.........这里部分代码省略.........

ACPI_STATUS
AcpiDsEvalTableRegionOperands (
    ACPI_WALK_STATE         *WalkState,
    ACPI_PARSE_OBJECT       *Op)
{
    ACPI_STATUS             Status;
    ACPI_OPERAND_OBJECT     *ObjDesc;
    ACPI_OPERAND_OBJECT     **Operand;
    ACPI_NAMESPACE_NODE     *Node;
    ACPI_PARSE_OBJECT       *NextOp;
    UINT32                  TableIndex;
    ACPI_TABLE_HEADER       *Table;


    ACPI_FUNCTION_TRACE_PTR (DsEvalTableRegionOperands, Op);


    /*
     * This is where we evaluate the Signature string, OemId string,
     * and OemTableId string of the Data Table Region declaration
     */
    Node =  Op->Common.Node;

    /* NextOp points to Signature string op */

    NextOp = Op->Common.Value.Arg;

    /*
     * Evaluate/create the Signature string, OemId string,
     * and OemTableId string operands
     */
    Status = AcpiDsCreateOperands (WalkState, NextOp);
    if (ACPI_FAILURE (Status))
    {
        return_ACPI_STATUS (Status);
    }

    /*
     * Resolve the Signature string, OemId string,
     * and OemTableId string operands
     */
    Status = AcpiExResolveOperands (Op->Common.AmlOpcode,
                                    ACPI_WALK_OPERANDS, WalkState);
    if (ACPI_FAILURE (Status))
    {
        return_ACPI_STATUS (Status);
    }

    Operand = &WalkState->Operands[0];

    /* Find the ACPI table */

    Status = AcpiTbFindTable (Operand[0]->String.Pointer,
                              Operand[1]->String.Pointer, Operand[2]->String.Pointer,
                              &TableIndex);
    if (ACPI_FAILURE (Status))
    {
        return_ACPI_STATUS (Status);
    }

    AcpiUtRemoveReference (Operand[0]);
    AcpiUtRemoveReference (Operand[1]);
    AcpiUtRemoveReference (Operand[2]);

    Status = AcpiGetTableByIndex (TableIndex, &Table);
    if (ACPI_FAILURE (Status))
    {
        return_ACPI_STATUS (Status);
    }

    ObjDesc = AcpiNsGetAttachedObject (Node);
    if (!ObjDesc)
    {
        return_ACPI_STATUS (AE_NOT_EXIST);
    }

    ObjDesc->Region.Address = (ACPI_PHYSICAL_ADDRESS) ACPI_TO_INTEGER (Table);
    ObjDesc->Region.Length = Table->Length;

    ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "RgnObj %p Addr %8.8X%8.8X Len %X\n",
                       ObjDesc,
                       ACPI_FORMAT_NATIVE_UINT (ObjDesc->Region.Address),
                       ObjDesc->Region.Length));

    /* Now the address and length are valid for this opregion */

    ObjDesc->Region.Flags |= AOPOBJ_DATA_VALID;

    return_ACPI_STATUS (Status);
}

static void
TrDoSwitch (
    ACPI_PARSE_OBJECT       *StartNode)
{
    ACPI_PARSE_OBJECT       *Next;
    ACPI_PARSE_OBJECT       *CaseOp = NULL;
    ACPI_PARSE_OBJECT       *CaseBlock = NULL;
    ACPI_PARSE_OBJECT       *DefaultOp = NULL;
    ACPI_PARSE_OBJECT       *CurrentParentNode;
    ACPI_PARSE_OBJECT       *Conditional = NULL;
    ACPI_PARSE_OBJECT       *Predicate;
    ACPI_PARSE_OBJECT       *Peer;
    ACPI_PARSE_OBJECT       *NewOp;
    ACPI_PARSE_OBJECT       *NewOp2;
    ACPI_PARSE_OBJECT       *MethodOp;
    ACPI_PARSE_OBJECT       *StoreOp;
    ACPI_PARSE_OBJECT       *BreakOp;
    ACPI_PARSE_OBJECT       *BufferOp;
    char                    *PredicateValueName;
    UINT16                  Index;
    UINT32                  Btype;


    /* Start node is the Switch() node */

    CurrentParentNode  = StartNode;

    /* Create a new temp name of the form _T_x */

    PredicateValueName = TrAmlGetNextTempName (StartNode, &AslGbl_TempCount);
    if (!PredicateValueName)
    {
        return;
    }

    /* First child is the Switch() predicate */

    Next = StartNode->Asl.Child;

    /*
     * Examine the return type of the Switch Value -
     * must be Integer/Buffer/String
     */
    Index = (UINT16) (Next->Asl.ParseOpcode - ASL_PARSE_OPCODE_BASE);
    Btype = AslKeywordMapping[Index].AcpiBtype;
    if ((Btype != ACPI_BTYPE_INTEGER) &&
        (Btype != ACPI_BTYPE_STRING)  &&
        (Btype != ACPI_BTYPE_BUFFER))
    {
        AslError (ASL_WARNING, ASL_MSG_SWITCH_TYPE, Next, NULL);
        Btype = ACPI_BTYPE_INTEGER;
    }

    /* CASE statements start at next child */

    Peer = Next->Asl.Next;
    while (Peer)
    {
        Next = Peer;
        Peer = Next->Asl.Next;

        if (Next->Asl.ParseOpcode == PARSEOP_CASE)
        {
            if (CaseOp)
            {
                /* Add an ELSE to complete the previous CASE */

                NewOp = TrCreateLeafOp (PARSEOP_ELSE);
                NewOp->Asl.Parent = Conditional->Asl.Parent;
                TrAmlInitLineNumbers (NewOp, NewOp->Asl.Parent);

                /* Link ELSE node as a peer to the previous IF */

                TrAmlInsertPeer (Conditional, NewOp);
                CurrentParentNode = NewOp;
            }

            CaseOp = Next;
            Conditional = CaseOp;
            CaseBlock = CaseOp->Asl.Child->Asl.Next;
            Conditional->Asl.Child->Asl.Next = NULL;
            Predicate = CaseOp->Asl.Child;

            if ((Predicate->Asl.ParseOpcode == PARSEOP_PACKAGE) ||
                (Predicate->Asl.ParseOpcode == PARSEOP_VAR_PACKAGE))
            {
                /*
                 * Convert the package declaration to this form:
                 *
                 * If (LNotEqual (Match (Package(<size>){<data>},
                 *                       MEQ, _T_x, MTR, Zero, Zero), Ones))
                 */
                NewOp2              = TrCreateLeafOp (PARSEOP_MATCHTYPE_MEQ);
                Predicate->Asl.Next = NewOp2;
                TrAmlInitLineNumbers (NewOp2, Conditional);

                NewOp               = NewOp2;
                NewOp2              = TrCreateValuedLeafOp (PARSEOP_NAMESTRING,
                                        (UINT64) ACPI_TO_INTEGER (PredicateValueName));
                NewOp->Asl.Next     = NewOp2;
//.........这里部分代码省略.........

//.........这里部分代码省略.........
			mem_rover = acpi_tb_scan_memory_for_rsdp(table_ptr,
								 ACPI_EBDA_WINDOW_SIZE);
			acpi_os_unmap_memory(table_ptr, ACPI_EBDA_WINDOW_SIZE);

			if (mem_rover) {
				/* Return the physical address */

				physical_address +=
				    ACPI_PTR_DIFF(mem_rover, table_ptr);

				table_info->physical_address =
				    (acpi_physical_address) physical_address;
				return_ACPI_STATUS(AE_OK);
			}
		}

		/*
		 * 2) Search upper memory: 16-byte boundaries in E0000h-FFFFFh
		 */
		status = acpi_os_map_memory((acpi_physical_address)
					    ACPI_HI_RSDP_WINDOW_BASE,
					    ACPI_HI_RSDP_WINDOW_SIZE,
					    (void *)&table_ptr);

		if (ACPI_FAILURE(status)) {
			ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
					  "Could not map memory at %8.8X for length %X\n",
					  ACPI_HI_RSDP_WINDOW_BASE,
					  ACPI_HI_RSDP_WINDOW_SIZE));

			return_ACPI_STATUS(status);
		}

		mem_rover =
		    acpi_tb_scan_memory_for_rsdp(table_ptr,
						 ACPI_HI_RSDP_WINDOW_SIZE);
		acpi_os_unmap_memory(table_ptr, ACPI_HI_RSDP_WINDOW_SIZE);

		if (mem_rover) {
			/* Return the physical address */

			physical_address =
			    ACPI_HI_RSDP_WINDOW_BASE + ACPI_PTR_DIFF(mem_rover,
								     table_ptr);

			table_info->physical_address =
			    (acpi_physical_address) physical_address;
			return_ACPI_STATUS(AE_OK);
		}
	}

	/*
	 * Physical addressing
	 */
	else {
		/* 1a) Get the location of the EBDA */

		ACPI_MOVE_16_TO_32(&physical_address, ACPI_EBDA_PTR_LOCATION);
		physical_address <<= 4;	/* Convert segment to physical address */

		/* EBDA present? */

		if (physical_address > 0x400) {
			/*
			 * 1b) Search EBDA paragraphs (EBDa is required to be a minimum of
			 *     1_k length)
			 */
			mem_rover =
			    acpi_tb_scan_memory_for_rsdp(ACPI_PHYSADDR_TO_PTR
							 (physical_address),
							 ACPI_EBDA_WINDOW_SIZE);
			if (mem_rover) {
				/* Return the physical address */

				table_info->physical_address =
				    ACPI_TO_INTEGER(mem_rover);
				return_ACPI_STATUS(AE_OK);
			}
		}

		/* 2) Search upper memory: 16-byte boundaries in E0000h-FFFFFh */

		mem_rover =
		    acpi_tb_scan_memory_for_rsdp(ACPI_PHYSADDR_TO_PTR
						 (ACPI_HI_RSDP_WINDOW_BASE),
						 ACPI_HI_RSDP_WINDOW_SIZE);
		if (mem_rover) {
			/* Found it, return the physical address */

			table_info->physical_address =
			    ACPI_TO_INTEGER(mem_rover);
			return_ACPI_STATUS(AE_OK);
		}
	}

	/* A valid RSDP was not found */

	ACPI_REPORT_ERROR(("No valid RSDP was found\n"));
	return_ACPI_STATUS(AE_NOT_FOUND);
}

ACPI_STATUS
LsAmlOffsetWalk (
    ACPI_PARSE_OBJECT       *Op,
    UINT32                  Level,
    void                    *Context)
{
    UINT32                  FileId = (UINT32) ACPI_TO_INTEGER (Context);
    ACPI_NAMESPACE_NODE     *Node;
    UINT32                  Length;
    UINT32                  NamepathOffset;
    UINT32                  DataOffset;
    ACPI_PARSE_OBJECT       *NextOp;


    /* Ignore actual data blocks for resource descriptors */

    if (Op->Asl.CompileFlags & NODE_IS_RESOURCE_DATA)
    {
        return (AE_OK); /* Do NOT update the global AML offset */
    }

    /* We are only interested in named objects (have a namespace node) */

    Node = Op->Asl.Node;
    if (!Node)
    {
        Gbl_CurrentAmlOffset += Op->Asl.FinalAmlLength;
        return (AE_OK);
    }

    /* Named resource descriptor (has a descriptor tag) */

    if ((Node->Type == ACPI_TYPE_LOCAL_RESOURCE) &&
        (Op->Asl.CompileFlags & NODE_IS_RESOURCE_DESC))
    {
        LsEmitOffsetTableEntry (FileId, Node, 0, Gbl_CurrentAmlOffset,
            Op->Asl.ParseOpName, 0, Op->Asl.Extra, AML_BUFFER_OP);

        Gbl_CurrentAmlOffset += Op->Asl.FinalAmlLength;
        return (AE_OK);
    }

    switch (Op->Asl.AmlOpcode)
    {
    case AML_NAME_OP:

        /* Named object -- Name (NameString, DataRefObject) */

        if (!Op->Asl.Child)
        {
            FlPrintFile (FileId, "%s NO CHILD!\n", MsgBuffer);
            return (AE_OK);
        }

        Length = Op->Asl.FinalAmlLength;
        NamepathOffset = Gbl_CurrentAmlOffset + Length;

        /* Get to the NameSeg/NamePath Op (and length of the name) */

        Op = Op->Asl.Child;

        /* Get offset of last nameseg and the actual data */

        NamepathOffset = Gbl_CurrentAmlOffset + Length +
            (Op->Asl.FinalAmlLength - ACPI_NAME_SIZE);

        DataOffset = Gbl_CurrentAmlOffset + Length +
            Op->Asl.FinalAmlLength;

        /* Get actual value associated with the name */

        Op = Op->Asl.Next;
        switch (Op->Asl.AmlOpcode)
        {
        case AML_BYTE_OP:
        case AML_WORD_OP:
        case AML_DWORD_OP:
        case AML_QWORD_OP:

            /* The +1 is to handle the integer size prefix (opcode) */

            LsEmitOffsetTableEntry (FileId, Node, NamepathOffset, (DataOffset + 1),
                Op->Asl.ParseOpName, Op->Asl.Value.Integer,
                (UINT8) Op->Asl.AmlOpcode, AML_NAME_OP);
            break;

        case AML_ONE_OP:
        case AML_ONES_OP:
        case AML_ZERO_OP:

            /* For these, offset will point to the opcode */

            LsEmitOffsetTableEntry (FileId, Node, NamepathOffset, DataOffset,
                Op->Asl.ParseOpName, Op->Asl.Value.Integer,
                (UINT8) Op->Asl.AmlOpcode, AML_NAME_OP);
            break;

        case AML_PACKAGE_OP:
        case AML_VAR_PACKAGE_OP:

//.........这里部分代码省略.........

//.........这里部分代码省略.........
            Status = AcpiOsPredefinedOverride (InitVal, &Val);
            if (ACPI_FAILURE (Status))
            {
                ACPI_ERROR ((AE_INFO,
                    "Could not override predefined %s",
                    InitVal->Name));
            }

            if (!Val)
            {
                Val = InitVal->Val;
            }

            /*
             * Entry requests an initial value, allocate a
             * descriptor for it.
             */
            ObjDesc = AcpiUtCreateInternalObject (InitVal->Type);
            if (!ObjDesc)
            {
                Status = AE_NO_MEMORY;
                goto UnlockAndExit;
            }

            /*
             * Convert value string from table entry to
             * internal representation. Only types actually
             * used for initial values are implemented here.
             */
            switch (InitVal->Type)
            {
            case ACPI_TYPE_METHOD:

                ObjDesc->Method.ParamCount = (UINT8) ACPI_TO_INTEGER (Val);
                ObjDesc->Common.Flags |= AOPOBJ_DATA_VALID;

#if defined (ACPI_ASL_COMPILER)

                /* Save the parameter count for the iASL compiler */

                NewNode->Value = ObjDesc->Method.ParamCount;
#else
                /* Mark this as a very SPECIAL method */

                ObjDesc->Method.InfoFlags = ACPI_METHOD_INTERNAL_ONLY;
                ObjDesc->Method.Dispatch.Implementation = AcpiUtOsiImplementation;
#endif
                break;

            case ACPI_TYPE_INTEGER:

                ObjDesc->Integer.Value = ACPI_TO_INTEGER (Val);
                break;

            case ACPI_TYPE_STRING:

                /* Build an object around the static string */

                ObjDesc->String.Length = (UINT32) strlen (Val);
                ObjDesc->String.Pointer = Val;
                ObjDesc->Common.Flags |= AOPOBJ_STATIC_POINTER;
                break;

            case ACPI_TYPE_MUTEX:

                ObjDesc->Mutex.Node = NewNode;

ACPI_STATUS
AeExceptionHandler (
    ACPI_STATUS             AmlStatus,
    ACPI_NAME               Name,
    UINT16                  Opcode,
    UINT32                  AmlOffset,
    void                    *Context)
{
    ACPI_STATUS             NewAmlStatus = AmlStatus;
    ACPI_STATUS             Status;
    ACPI_BUFFER             ReturnObj;
    ACPI_OBJECT_LIST        ArgList;
    ACPI_OBJECT             Arg[3];
    const char              *Exception;


    Exception = AcpiFormatException (AmlStatus);
    AcpiOsPrintf ("[AcpiExec] Exception %s during execution ", Exception);
    if (Name)
    {
        AcpiOsPrintf ("of method [%4.4s]", (char *) &Name);
    }
    else
    {
        AcpiOsPrintf ("at module level (table load)");
    }
    AcpiOsPrintf (" Opcode [%s] @%X\n", AcpiPsGetOpcodeName (Opcode), AmlOffset);

    /*
     * Invoke the _ERR method if present
     *
     * Setup parameter object
     */
    ArgList.Count = 3;
    ArgList.Pointer = Arg;

    Arg[0].Type = ACPI_TYPE_INTEGER;
    Arg[0].Integer.Value = AmlStatus;

    Arg[1].Type = ACPI_TYPE_STRING;
    Arg[1].String.Pointer = ACPI_CAST_PTR (char, Exception);
    Arg[1].String.Length = ACPI_STRLEN (Exception);

    Arg[2].Type = ACPI_TYPE_INTEGER;
    Arg[2].Integer.Value = ACPI_TO_INTEGER (AcpiOsGetThreadId());

    /* Setup return buffer */

    ReturnObj.Pointer = NULL;
    ReturnObj.Length = ACPI_ALLOCATE_BUFFER;

    Status = AcpiEvaluateObject (NULL, "\\_ERR", &ArgList, &ReturnObj);
    if (ACPI_SUCCESS (Status))
    {
        if (ReturnObj.Pointer)
        {
            /* Override original status */

            NewAmlStatus = (ACPI_STATUS)
                ((ACPI_OBJECT *) ReturnObj.Pointer)->Integer.Value;

            AcpiOsFree (ReturnObj.Pointer);
        }
    }
    else if (Status != AE_NOT_FOUND)
    {
        AcpiOsPrintf ("[AcpiExec] Could not execute _ERR method, %s\n",
            AcpiFormatException (Status));
    }

    /* Global override */

    if (AcpiGbl_IgnoreErrors)
    {
        NewAmlStatus = AE_OK;
    }

    if (NewAmlStatus != AmlStatus)
    {
        AcpiOsPrintf ("[AcpiExec] Exception override, new status %s\n",
            AcpiFormatException (NewAmlStatus));
    }

    return (NewAmlStatus);
}

ACPI_STATUS
AcpiTbFindRsdp (
    ACPI_TABLE_DESC         *TableInfo,
    UINT32                  Flags)
{
    UINT8                   *TablePtr;
    UINT8                   *MemRover;
    UINT64                  PhysAddr;
    ACPI_STATUS             Status = AE_OK;


    ACPI_FUNCTION_TRACE ("TbFindRsdp");


    /*
     * Scan supports either 1) Logical addressing or 2) Physical addressing
     */
    if ((Flags & ACPI_MEMORY_MODE) == ACPI_LOGICAL_ADDRESSING)
    {
        /*
         * 1) Search EBDA (low memory) paragraphs
         */
        Status = AcpiOsMapMemory ((UINT64) ACPI_LO_RSDP_WINDOW_BASE, ACPI_LO_RSDP_WINDOW_SIZE,
                                    (void **) &TablePtr);
        if (ACPI_FAILURE (Status))
        {
            ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Could not map memory at %X for length %X\n",
                ACPI_LO_RSDP_WINDOW_BASE, ACPI_LO_RSDP_WINDOW_SIZE));
            return_ACPI_STATUS (Status);
        }

        MemRover = AcpiTbScanMemoryForRsdp (TablePtr, ACPI_LO_RSDP_WINDOW_SIZE);
        AcpiOsUnmapMemory (TablePtr, ACPI_LO_RSDP_WINDOW_SIZE);

        if (MemRover)
        {
            /* Found it, return the physical address */

            PhysAddr = ACPI_LO_RSDP_WINDOW_BASE;
            PhysAddr += ACPI_PTR_DIFF (MemRover,TablePtr);

            TableInfo->PhysicalAddress = PhysAddr;
            return_ACPI_STATUS (AE_OK);
        }

        /*
         * 2) Search upper memory: 16-byte boundaries in E0000h-F0000h
         */
        Status = AcpiOsMapMemory ((UINT64) ACPI_HI_RSDP_WINDOW_BASE, ACPI_HI_RSDP_WINDOW_SIZE,
                                    (void **) &TablePtr);
        if (ACPI_FAILURE (Status))
        {
            ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Could not map memory at %X for length %X\n",
                ACPI_HI_RSDP_WINDOW_BASE, ACPI_HI_RSDP_WINDOW_SIZE));
            return_ACPI_STATUS (Status);
        }

        MemRover = AcpiTbScanMemoryForRsdp (TablePtr, ACPI_HI_RSDP_WINDOW_SIZE);
        AcpiOsUnmapMemory (TablePtr, ACPI_HI_RSDP_WINDOW_SIZE);

        if (MemRover)
        {
            /* Found it, return the physical address */

            PhysAddr = ACPI_HI_RSDP_WINDOW_BASE;
            PhysAddr += ACPI_PTR_DIFF (MemRover, TablePtr);

            TableInfo->PhysicalAddress = PhysAddr;
            return_ACPI_STATUS (AE_OK);
        }
    }

    /*
     * Physical addressing
     */
    else
    {
        /*
         * 1) Search EBDA (low memory) paragraphs
         */
        MemRover = AcpiTbScanMemoryForRsdp (ACPI_PHYSADDR_TO_PTR (ACPI_LO_RSDP_WINDOW_BASE),
                        ACPI_LO_RSDP_WINDOW_SIZE);
        if (MemRover)
        {
            /* Found it, return the physical address */

            TableInfo->PhysicalAddress = ACPI_TO_INTEGER (MemRover);
            return_ACPI_STATUS (AE_OK);
        }

        /*
         * 2) Search upper memory: 16-byte boundaries in E0000h-F0000h
         */
        MemRover = AcpiTbScanMemoryForRsdp (ACPI_PHYSADDR_TO_PTR (ACPI_HI_RSDP_WINDOW_BASE),
                        ACPI_HI_RSDP_WINDOW_SIZE);
        if (MemRover)
        {
            /* Found it, return the physical address */

            TableInfo->PhysicalAddress = ACPI_TO_INTEGER (MemRover);
//.........这里部分代码省略.........