C++ ACPI_CAST_INDIRECT_PTR函数代码示例

ACPI_STATUS
AcpiTbInitializeFacs (
    void)
{

    /* If Hardware Reduced flag is set, there is no FACS */

    if (AcpiGbl_ReducedHardware)
    {
        AcpiGbl_FACS = NULL;
        return (AE_OK);
    }

    (void) AcpiGetTableByIndex (ACPI_TABLE_INDEX_FACS,
                ACPI_CAST_INDIRECT_PTR (ACPI_TABLE_HEADER, &AcpiGbl_Facs32));
    (void) AcpiGetTableByIndex (ACPI_TABLE_INDEX_X_FACS,
                ACPI_CAST_INDIRECT_PTR (ACPI_TABLE_HEADER, &AcpiGbl_Facs64));

    if (AcpiGbl_Facs64 && (!AcpiGbl_Facs32 || !AcpiGbl_Use32BitFacsAddresses))
    {
        AcpiGbl_FACS = AcpiGbl_Facs64;
    }
    else if (AcpiGbl_Facs32)
    {
        AcpiGbl_FACS = AcpiGbl_Facs32;
    }

    /* If there is no FACS, just continue. There was already an error msg */

    return (AE_OK);
}

ACPI_STATUS
AcpiTbInitializeFacs (
    void)
{
    ACPI_TABLE_FACS         *Facs;


    /* If Hardware Reduced flag is set, there is no FACS */

    if (AcpiGbl_ReducedHardware)
    {
        AcpiGbl_FACS = NULL;
        return (AE_OK);
    }
    else if (AcpiGbl_FADT.XFacs &&
         (!AcpiGbl_FADT.Facs || !AcpiGbl_Use32BitFacsAddresses))
    {
        (void) AcpiGetTableByIndex (AcpiGbl_XFacsIndex,
            ACPI_CAST_INDIRECT_PTR (ACPI_TABLE_HEADER, &Facs));
        AcpiGbl_FACS = Facs;
    }
    else if (AcpiGbl_FADT.Facs)
    {
        (void) AcpiGetTableByIndex (AcpiGbl_FacsIndex,
            ACPI_CAST_INDIRECT_PTR (ACPI_TABLE_HEADER, &Facs));
        AcpiGbl_FACS = Facs;
    }

    /* If there is no FACS, just continue. There was already an error msg */

    return (AE_OK);
}

ACPI_STATUS
AcpiExResolveToValue (
    ACPI_OPERAND_OBJECT     **StackPtr,
    ACPI_WALK_STATE         *WalkState)
{
    ACPI_STATUS             Status;


    ACPI_FUNCTION_TRACE_PTR (ExResolveToValue, StackPtr);


    if (!StackPtr || !*StackPtr)
    {
        ACPI_ERROR ((AE_INFO, "Internal - null pointer"));
        return_ACPI_STATUS (AE_AML_NO_OPERAND);
    }

    /*
     * The entity pointed to by the StackPtr can be either
     * 1) A valid ACPI_OPERAND_OBJECT, or
     * 2) A ACPI_NAMESPACE_NODE (NamedObj)
     */
    if (ACPI_GET_DESCRIPTOR_TYPE (*StackPtr) == ACPI_DESC_TYPE_OPERAND)
    {
        Status = AcpiExResolveObjectToValue (StackPtr, WalkState);
        if (ACPI_FAILURE (Status))
        {
            return_ACPI_STATUS (Status);
        }

        if (!*StackPtr)
        {
            ACPI_ERROR ((AE_INFO, "Internal - null pointer"));
            return_ACPI_STATUS (AE_AML_NO_OPERAND);
        }
    }

    /*
     * Object on the stack may have changed if AcpiExResolveObjectToValue()
     * was called (i.e., we can't use an _else_ here.)
     */
    if (ACPI_GET_DESCRIPTOR_TYPE (*StackPtr) == ACPI_DESC_TYPE_NAMED)
    {
        Status = AcpiExResolveNodeToValue (
            ACPI_CAST_INDIRECT_PTR (ACPI_NAMESPACE_NODE, StackPtr),
            WalkState);
        if (ACPI_FAILURE (Status))
        {
            return_ACPI_STATUS (Status);
        }
    }

    ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Resolved object %p\n", *StackPtr));
    return_ACPI_STATUS (AE_OK);
}

ACPI_STATUS
AcpiTbInitializeFacs (
    void)
{
    ACPI_STATUS             Status;


    Status = AcpiGetTableByIndex (ACPI_TABLE_INDEX_FACS,
                ACPI_CAST_INDIRECT_PTR (ACPI_TABLE_HEADER, &AcpiGbl_FACS));
    return (Status);
}

ACPI_STATUS
AcpiTbInitializeFacs (
    void)
{
    ACPI_STATUS             Status;


    /* If Hardware Reduced flag is set, there is no FACS */

    if (AcpiGbl_ReducedHardware)
    {
        AcpiGbl_FACS = NULL;
        return (AE_OK);
    }

    Status = AcpiGetTableByIndex (ACPI_TABLE_INDEX_FACS,
                ACPI_CAST_INDIRECT_PTR (ACPI_TABLE_HEADER, &AcpiGbl_FACS));
    return (Status);
}

static ACPI_STATUS
AcpiDsBuildInternalObject (
    ACPI_WALK_STATE         *WalkState,
    ACPI_PARSE_OBJECT       *Op,
    ACPI_OPERAND_OBJECT     **ObjDescPtr)
{
    ACPI_OPERAND_OBJECT     *ObjDesc;
    ACPI_STATUS             Status;


    ACPI_FUNCTION_TRACE (DsBuildInternalObject);


    *ObjDescPtr = NULL;
    if (Op->Common.AmlOpcode == AML_INT_NAMEPATH_OP)
    {
        /*
         * This is a named object reference. If this name was
         * previously looked up in the namespace, it was stored in this op.
         * Otherwise, go ahead and look it up now
         */
        if (!Op->Common.Node)
        {
            Status = AcpiNsLookup (WalkState->ScopeInfo,
                        Op->Common.Value.String,
                        ACPI_TYPE_ANY, ACPI_IMODE_EXECUTE,
                        ACPI_NS_SEARCH_PARENT | ACPI_NS_DONT_OPEN_SCOPE, NULL,
                        ACPI_CAST_INDIRECT_PTR (ACPI_NAMESPACE_NODE, &(Op->Common.Node)));
            if (ACPI_FAILURE (Status))
            {
                /* Check if we are resolving a named reference within a package */

                if ((Status == AE_NOT_FOUND) && (AcpiGbl_EnableInterpreterSlack) &&

                    ((Op->Common.Parent->Common.AmlOpcode == AML_PACKAGE_OP) ||
                     (Op->Common.Parent->Common.AmlOpcode == AML_VAR_PACKAGE_OP)))
                {
                    /*
                     * We didn't find the target and we are populating elements
                     * of a package - ignore if slack enabled. Some ASL code
                     * contains dangling invalid references in packages and
                     * expects that no exception will be issued. Leave the
                     * element as a null element. It cannot be used, but it
                     * can be overwritten by subsequent ASL code - this is
                     * typically the case.
                     */
                    ACPI_DEBUG_PRINT ((ACPI_DB_INFO,
                        "Ignoring unresolved reference in package [%4.4s]\n",
                        WalkState->ScopeInfo->Scope.Node->Name.Ascii));

                    return_ACPI_STATUS (AE_OK);
                }
                else
                {
                    ACPI_ERROR_NAMESPACE (Op->Common.Value.String, Status);
                }

                return_ACPI_STATUS (Status);
            }
        }
    }

    /* Create and init a new internal ACPI object */

    ObjDesc = AcpiUtCreateInternalObject (
                (AcpiPsGetOpcodeInfo (Op->Common.AmlOpcode))->ObjectType);
    if (!ObjDesc)
    {
        return_ACPI_STATUS (AE_NO_MEMORY);
    }

    Status = AcpiDsInitObjectFromOp (WalkState, Op, Op->Common.AmlOpcode,
                &ObjDesc);
    if (ACPI_FAILURE (Status))
    {
        AcpiUtRemoveReference (ObjDesc);
        return_ACPI_STATUS (Status);
    }

    *ObjDescPtr = ObjDesc;
    return_ACPI_STATUS (AE_OK);
}

//.........这里部分代码省略.........
            ACPI_ERROR ((AE_INFO, "Unknown Integer type 0x%X",
                OpInfo->Type));
            Status = AE_AML_OPERAND_TYPE;
            break;
        }
        break;


    case ACPI_TYPE_STRING:

        ObjDesc->String.Pointer = Op->Common.Value.String;
        ObjDesc->String.Length = (UINT32) ACPI_STRLEN (Op->Common.Value.String);

        /*
         * The string is contained in the ACPI table, don't ever try
         * to delete it
         */
        ObjDesc->Common.Flags |= AOPOBJ_STATIC_POINTER;
        break;


    case ACPI_TYPE_METHOD:
        break;


    case ACPI_TYPE_LOCAL_REFERENCE:

        switch (OpInfo->Type)
        {
        case AML_TYPE_LOCAL_VARIABLE:

            /* Local ID (0-7) is (AML opcode - base AML_LOCAL_OP) */

            ObjDesc->Reference.Value = ((UINT32) Opcode) - AML_LOCAL_OP;
            ObjDesc->Reference.Class = ACPI_REFCLASS_LOCAL;

#ifndef ACPI_NO_METHOD_EXECUTION
            Status = AcpiDsMethodDataGetNode (ACPI_REFCLASS_LOCAL,
                        ObjDesc->Reference.Value, WalkState,
                        ACPI_CAST_INDIRECT_PTR (ACPI_NAMESPACE_NODE,
                            &ObjDesc->Reference.Object));
#endif
            break;


        case AML_TYPE_METHOD_ARGUMENT:

            /* Arg ID (0-6) is (AML opcode - base AML_ARG_OP) */

            ObjDesc->Reference.Value = ((UINT32) Opcode) - AML_ARG_OP;
            ObjDesc->Reference.Class = ACPI_REFCLASS_ARG;

#ifndef ACPI_NO_METHOD_EXECUTION
            Status = AcpiDsMethodDataGetNode (ACPI_REFCLASS_ARG,
                        ObjDesc->Reference.Value, WalkState,
                        ACPI_CAST_INDIRECT_PTR (ACPI_NAMESPACE_NODE,
                            &ObjDesc->Reference.Object));
#endif
            break;

        default: /* Object name or Debug object */

            switch (Op->Common.AmlOpcode)
            {
            case AML_INT_NAMEPATH_OP:

                /* Node was saved in Op */

                ObjDesc->Reference.Node = Op->Common.Node;
                ObjDesc->Reference.Object = Op->Common.Node->Object;
                ObjDesc->Reference.Class = ACPI_REFCLASS_NAME;
                break;

            case AML_DEBUG_OP:

                ObjDesc->Reference.Class = ACPI_REFCLASS_DEBUG;
                break;

            default:

                ACPI_ERROR ((AE_INFO,
                    "Unimplemented reference type for AML opcode: 0x%4.4X", Opcode));
                return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
            }
            break;
        }
        break;


    default:

        ACPI_ERROR ((AE_INFO, "Unimplemented data type: 0x%X",
            ObjDesc->Common.Type));

        Status = AE_AML_OPERAND_TYPE;
        break;
    }

    return_ACPI_STATUS (Status);
}

static ACPI_STATUS
AcpiDsBuildInternalObject (
    ACPI_WALK_STATE         *WalkState,
    ACPI_PARSE_OBJECT       *Op,
    ACPI_OPERAND_OBJECT     **ObjDescPtr)
{
    ACPI_OPERAND_OBJECT     *ObjDesc;
    ACPI_STATUS             Status;
    ACPI_OBJECT_TYPE        Type;


    ACPI_FUNCTION_TRACE (DsBuildInternalObject);


    *ObjDescPtr = NULL;
    if (Op->Common.AmlOpcode == AML_INT_NAMEPATH_OP)
    {
        /*
         * This is a named object reference. If this name was
         * previously looked up in the namespace, it was stored in this op.
         * Otherwise, go ahead and look it up now
         */
        if (!Op->Common.Node)
        {
            Status = AcpiNsLookup (WalkState->ScopeInfo,
                        Op->Common.Value.String,
                        ACPI_TYPE_ANY, ACPI_IMODE_EXECUTE,
                        ACPI_NS_SEARCH_PARENT | ACPI_NS_DONT_OPEN_SCOPE, NULL,
                        ACPI_CAST_INDIRECT_PTR (ACPI_NAMESPACE_NODE, &(Op->Common.Node)));
            if (ACPI_FAILURE (Status))
            {
                /* Check if we are resolving a named reference within a package */

                if ((Status == AE_NOT_FOUND) && (AcpiGbl_EnableInterpreterSlack) &&

                    ((Op->Common.Parent->Common.AmlOpcode == AML_PACKAGE_OP) ||
                     (Op->Common.Parent->Common.AmlOpcode == AML_VAR_PACKAGE_OP)))
                {
                    /*
                     * We didn't find the target and we are populating elements
                     * of a package - ignore if slack enabled. Some ASL code
                     * contains dangling invalid references in packages and
                     * expects that no exception will be issued. Leave the
                     * element as a null element. It cannot be used, but it
                     * can be overwritten by subsequent ASL code - this is
                     * typically the case.
                     */
                    ACPI_DEBUG_PRINT ((ACPI_DB_INFO,
                        "Ignoring unresolved reference in package [%4.4s]\n",
                        WalkState->ScopeInfo->Scope.Node->Name.Ascii));

                    return_ACPI_STATUS (AE_OK);
                }
                else
                {
                    ACPI_ERROR_NAMESPACE (Op->Common.Value.String, Status);
                }

                return_ACPI_STATUS (Status);
            }
        }

        /* Special object resolution for elements of a package */

        if ((Op->Common.Parent->Common.AmlOpcode == AML_PACKAGE_OP) ||
            (Op->Common.Parent->Common.AmlOpcode == AML_VAR_PACKAGE_OP))
        {
            /*
             * Attempt to resolve the node to a value before we insert it into
             * the package. If this is a reference to a common data type,
             * resolve it immediately. According to the ACPI spec, package
             * elements can only be "data objects" or method references.
             * Attempt to resolve to an Integer, Buffer, String or Package.
             * If cannot, return the named reference (for things like Devices,
             * Methods, etc.) Buffer Fields and Fields will resolve to simple
             * objects (int/buf/str/pkg).
             *
             * NOTE: References to things like Devices, Methods, Mutexes, etc.
             * will remain as named references. This behavior is not described
             * in the ACPI spec, but it appears to be an oversight.
             */
            ObjDesc = ACPI_CAST_PTR (ACPI_OPERAND_OBJECT, Op->Common.Node);

            Status = AcpiExResolveNodeToValue (
                        ACPI_CAST_INDIRECT_PTR (ACPI_NAMESPACE_NODE, &ObjDesc),
                        WalkState);
            if (ACPI_FAILURE (Status))
            {
                return_ACPI_STATUS (Status);
            }

            /*
             * Special handling for Alias objects. We need to setup the type
             * and the Op->Common.Node to point to the Alias target. Note,
             * Alias has at most one level of indirection internally.
             */
            Type = Op->Common.Node->Type;
            if (Type == ACPI_TYPE_LOCAL_ALIAS)
            {
                Type = ObjDesc->Common.Type;
//.........这里部分代码省略.........

ACPI_STATUS
AcpiDsCreateOperand (
    ACPI_WALK_STATE         *WalkState,
    ACPI_PARSE_OBJECT       *Arg,
    UINT32                  ArgIndex)
{
    ACPI_STATUS             Status = AE_OK;
    char                    *NameString;
    UINT32                  NameLength;
    ACPI_OPERAND_OBJECT     *ObjDesc;
    ACPI_PARSE_OBJECT       *ParentOp;
    UINT16                  Opcode;
    ACPI_INTERPRETER_MODE   InterpreterMode;
    const ACPI_OPCODE_INFO  *OpInfo;


    ACPI_FUNCTION_TRACE_PTR (DsCreateOperand, Arg);


    /* A valid name must be looked up in the namespace */

    if ((Arg->Common.AmlOpcode == AML_INT_NAMEPATH_OP) &&
        (Arg->Common.Value.String) &&
        !(Arg->Common.Flags & ACPI_PARSEOP_IN_STACK))
    {
        ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, "Getting a name: Arg=%p\n", Arg));

        /* Get the entire name string from the AML stream */

        Status = AcpiExGetNameString (ACPI_TYPE_ANY, Arg->Common.Value.Buffer,
                        &NameString, &NameLength);

        if (ACPI_FAILURE (Status))
        {
            return_ACPI_STATUS (Status);
        }

        /* All prefixes have been handled, and the name is in NameString */

        /*
         * Special handling for BufferField declarations. This is a deferred
         * opcode that unfortunately defines the field name as the last
         * parameter instead of the first. We get here when we are performing
         * the deferred execution, so the actual name of the field is already
         * in the namespace. We don't want to attempt to look it up again
         * because we may be executing in a different scope than where the
         * actual opcode exists.
         */
        if ((WalkState->DeferredNode) &&
            (WalkState->DeferredNode->Type == ACPI_TYPE_BUFFER_FIELD) &&
            (ArgIndex == (UINT32) ((WalkState->Opcode == AML_CREATE_FIELD_OP) ? 3 : 2)))
        {
            ObjDesc = ACPI_CAST_PTR (
                        ACPI_OPERAND_OBJECT, WalkState->DeferredNode);
            Status = AE_OK;
        }
        else    /* All other opcodes */
        {
            /*
             * Differentiate between a namespace "create" operation
             * versus a "lookup" operation (IMODE_LOAD_PASS2 vs.
             * IMODE_EXECUTE) in order to support the creation of
             * namespace objects during the execution of control methods.
             */
            ParentOp = Arg->Common.Parent;
            OpInfo = AcpiPsGetOpcodeInfo (ParentOp->Common.AmlOpcode);
            if ((OpInfo->Flags & AML_NSNODE) &&
                (ParentOp->Common.AmlOpcode != AML_INT_METHODCALL_OP) &&
                (ParentOp->Common.AmlOpcode != AML_REGION_OP) &&
                (ParentOp->Common.AmlOpcode != AML_INT_NAMEPATH_OP))
            {
                /* Enter name into namespace if not found */

                InterpreterMode = ACPI_IMODE_LOAD_PASS2;
            }
            else
            {
                /* Return a failure if name not found */

                InterpreterMode = ACPI_IMODE_EXECUTE;
            }

            Status = AcpiNsLookup (WalkState->ScopeInfo, NameString,
                        ACPI_TYPE_ANY, InterpreterMode,
                        ACPI_NS_SEARCH_PARENT | ACPI_NS_DONT_OPEN_SCOPE,
                        WalkState,
                        ACPI_CAST_INDIRECT_PTR (ACPI_NAMESPACE_NODE, &ObjDesc));
            /*
             * The only case where we pass through (ignore) a NOT_FOUND
             * error is for the CondRefOf opcode.
             */
            if (Status == AE_NOT_FOUND)
            {
                if (ParentOp->Common.AmlOpcode == AML_COND_REF_OF_OP)
                {
                    /*
                     * For the Conditional Reference op, it's OK if
                     * the name is not found;  We just need a way to
                     * indicate this to the interpreter, set the
                     * object to the root
//.........这里部分代码省略.........

//.........这里部分代码省略.........
                default:

                    /* Must be an Index op - handled below */
                    break;
                }
                break;

            case ACPI_TYPE_STRING:

                break;

            default:

                Status = AE_AML_OPERAND_TYPE;
                goto Cleanup;
            }
        }

        if (ACPI_GET_DESCRIPTOR_TYPE (Operand[0]) != ACPI_DESC_TYPE_NAMED)
        {
            if ((Operand[0])->Common.Type == ACPI_TYPE_STRING)
            {
                /*
                 * This is a DerefOf (String). The string is a reference
                 * to a named ACPI object.
                 *
                 * 1) Find the owning Node
                 * 2) Dereference the node to an actual object. Could be a
                 *    Field, so we need to resolve the node to a value.
                 */
                Status = AcpiNsGetNodeUnlocked (WalkState->ScopeInfo->Scope.Node,
                    Operand[0]->String.Pointer,
                    ACPI_NS_SEARCH_PARENT,
                    ACPI_CAST_INDIRECT_PTR (
                        ACPI_NAMESPACE_NODE, &ReturnDesc));
                if (ACPI_FAILURE (Status))
                {
                    goto Cleanup;
                }

                Status = AcpiExResolveNodeToValue (
                    ACPI_CAST_INDIRECT_PTR (
                        ACPI_NAMESPACE_NODE, &ReturnDesc),
                    WalkState);
                goto Cleanup;
            }
        }

        /* Operand[0] may have changed from the code above */

        if (ACPI_GET_DESCRIPTOR_TYPE (Operand[0]) == ACPI_DESC_TYPE_NAMED)
        {
            /*
             * This is a DerefOf (ObjectReference)
             * Get the actual object from the Node (This is the dereference).
             * This case may only happen when a LocalX or ArgX is
             * dereferenced above.
             */
            ReturnDesc = AcpiNsGetAttachedObject (
                (ACPI_NAMESPACE_NODE *) Operand[0]);
            AcpiUtAddReference (ReturnDesc);
        }
        else
        {
            /*
             * This must be a reference object produced by either the

ACPI_STATUS
AcpiDsBuildInternalObject (
    ACPI_WALK_STATE         *WalkState,
    ACPI_PARSE_OBJECT       *Op,
    ACPI_OPERAND_OBJECT     **ObjDescPtr)
{
    ACPI_OPERAND_OBJECT     *ObjDesc;
    ACPI_STATUS             Status;


    ACPI_FUNCTION_TRACE (DsBuildInternalObject);


    *ObjDescPtr = NULL;
    if (Op->Common.AmlOpcode == AML_INT_NAMEPATH_OP)
    {
        /*
         * This is a named object reference. If this name was
         * previously looked up in the namespace, it was stored in
         * this op. Otherwise, go ahead and look it up now
         */
        if (!Op->Common.Node)
        {
            /* Check if we are resolving a named reference within a package */

            if ((Op->Common.Parent->Common.AmlOpcode == AML_PACKAGE_OP) ||
                (Op->Common.Parent->Common.AmlOpcode == AML_VARIABLE_PACKAGE_OP))
            {
                /*
                 * We won't resolve package elements here, we will do this
                 * after all ACPI tables are loaded into the namespace. This
                 * behavior supports both forward references to named objects
                 * and external references to objects in other tables.
                 */
                goto CreateNewObject;
            }
            else
            {
                Status = AcpiNsLookup (WalkState->ScopeInfo,
                    Op->Common.Value.String,
                    ACPI_TYPE_ANY, ACPI_IMODE_EXECUTE,
                    ACPI_NS_SEARCH_PARENT | ACPI_NS_DONT_OPEN_SCOPE, NULL,
                    ACPI_CAST_INDIRECT_PTR (
                        ACPI_NAMESPACE_NODE, &(Op->Common.Node)));
                if (ACPI_FAILURE (Status))
                {
                    ACPI_ERROR_NAMESPACE (WalkState->ScopeInfo,
                        Op->Common.Value.String, Status);
                    return_ACPI_STATUS (Status);
                }
            }
        }
    }

CreateNewObject:

    /* Create and init a new internal ACPI object */

    ObjDesc = AcpiUtCreateInternalObject (
        (AcpiPsGetOpcodeInfo (Op->Common.AmlOpcode))->ObjectType);
    if (!ObjDesc)
    {
        return_ACPI_STATUS (AE_NO_MEMORY);
    }

    Status = AcpiDsInitObjectFromOp (
        WalkState, Op, Op->Common.AmlOpcode, &ObjDesc);
    if (ACPI_FAILURE (Status))
    {
        AcpiUtRemoveReference (ObjDesc);
        return_ACPI_STATUS (Status);
    }

    /*
     * Handling for unresolved package reference elements.
     * These are elements that are namepaths.
     */
    if ((Op->Common.Parent->Common.AmlOpcode == AML_PACKAGE_OP) ||
        (Op->Common.Parent->Common.AmlOpcode == AML_VARIABLE_PACKAGE_OP))
    {
        ObjDesc->Reference.Resolved = TRUE;

        if ((Op->Common.AmlOpcode == AML_INT_NAMEPATH_OP) &&
            !ObjDesc->Reference.Node)
        {
            /*
             * Name was unresolved above.
             * Get the prefix node for later lookup
             */
            ObjDesc->Reference.Node = WalkState->ScopeInfo->Scope.Node;
            ObjDesc->Reference.Aml = Op->Common.Aml;
            ObjDesc->Reference.Resolved = FALSE;
        }
    }

    *ObjDescPtr = ObjDesc;
    return_ACPI_STATUS (Status);
}

static void
AcpiEvOrphanEcRegMethod (
    void)
{
    ACPI_TABLE_ECDT         *Table;
    ACPI_STATUS             Status;
    ACPI_OBJECT_LIST        Args;
    ACPI_OBJECT             Objects[2];
    ACPI_NAMESPACE_NODE     *EcDeviceNode;
    ACPI_NAMESPACE_NODE     *RegMethod;
    ACPI_NAMESPACE_NODE     *NextNode;


    ACPI_FUNCTION_TRACE (EvOrphanEcRegMethod);


    /* Get the ECDT (if present in system) */

    Status = AcpiGetTable (ACPI_SIG_ECDT, 0,
        ACPI_CAST_INDIRECT_PTR (ACPI_TABLE_HEADER, &Table));
    if (ACPI_FAILURE (Status))
    {
        return_VOID;
    }

    /* We need a valid EC_ID string */

    if (!(*Table->Id))
    {
        return_VOID;
    }

    /* Namespace is currently locked, must release */

    (void) AcpiUtReleaseMutex (ACPI_MTX_NAMESPACE);

    /* Get a handle to the EC device referenced in the ECDT */

    Status = AcpiGetHandle (NULL,
        ACPI_CAST_PTR (char, Table->Id),
        ACPI_CAST_PTR (ACPI_HANDLE, &EcDeviceNode));
    if (ACPI_FAILURE (Status))
    {
        goto Exit;
    }

    /* Get a handle to a _REG method immediately under the EC device */

    Status = AcpiGetHandle (EcDeviceNode,
        METHOD_NAME__REG, ACPI_CAST_PTR (ACPI_HANDLE, &RegMethod));
    if (ACPI_FAILURE (Status))
    {
        goto Exit;
    }

    /*
     * Execute the _REG method only if there is no Operation Region in
     * this scope with the Embedded Controller space ID. Otherwise, it
     * will already have been executed. Note, this allows for Regions
     * with other space IDs to be present; but the code below will then
     * execute the _REG method with the EC space ID argument.
     */
    NextNode = AcpiNsGetNextNode (EcDeviceNode, NULL);
    while (NextNode)
    {
        if ((NextNode->Type == ACPI_TYPE_REGION) &&
            (NextNode->Object) &&
            (NextNode->Object->Region.SpaceId == ACPI_ADR_SPACE_EC))
        {
            goto Exit; /* Do not execute _REG */
        }
        NextNode = AcpiNsGetNextNode (EcDeviceNode, NextNode);
    }

    /* Evaluate the _REG(EC,Connect) method */

    Args.Count = 2;
    Args.Pointer = Objects;
    Objects[0].Type = ACPI_TYPE_INTEGER;
    Objects[0].Integer.Value = ACPI_ADR_SPACE_EC;
    Objects[1].Type = ACPI_TYPE_INTEGER;
    Objects[1].Integer.Value = ACPI_REG_CONNECT;

    Status = AcpiEvaluateObject (RegMethod, NULL, &Args, NULL);

Exit:
    /* We ignore all errors from above, don't care */

    Status = AcpiUtAcquireMutex (ACPI_MTX_NAMESPACE);
    return_VOID;
}

//.........这里部分代码省略.........
							       table->
							       pointer[*target &
								       0x03]));
			break;

		case ACPI_RSD_3BITFLAG:

			acpi_rs_out_string(name, ACPI_CAST_PTR(char,
							       table->
							       pointer[*target &
								       0x07]));
			break;

		case ACPI_RSD_SHORTLIST:
			/*
			 * Short byte list (single line output) for DMA and IRQ resources
			 * Note: The list length is obtained from the previous table entry
			 */
			if (previous_target) {
				acpi_rs_out_title(name);
				acpi_rs_dump_short_byte_list(*previous_target,
							     target);
			}
			break;

		case ACPI_RSD_SHORTLISTX:
			/*
			 * Short byte list (single line output) for GPIO vendor data
			 * Note: The list length is obtained from the previous table entry
			 */
			if (previous_target) {
				acpi_rs_out_title(name);
				acpi_rs_dump_short_byte_list(*previous_target,
							     *
							     (ACPI_CAST_INDIRECT_PTR
							      (u8, target)));
			}
			break;

		case ACPI_RSD_LONGLIST:
			/*
			 * Long byte list for Vendor resource data
			 * Note: The list length is obtained from the previous table entry
			 */
			if (previous_target) {
				acpi_rs_dump_byte_list(ACPI_GET16
						       (previous_target),
						       target);
			}
			break;

		case ACPI_RSD_DWORDLIST:
			/*
			 * Dword list for Extended Interrupt resources
			 * Note: The list length is obtained from the previous table entry
			 */
			if (previous_target) {
				acpi_rs_dump_dword_list(*previous_target,
							ACPI_CAST_PTR(u32,
								      target));
			}
			break;

		case ACPI_RSD_WORDLIST:
			/*
			 * Word list for GPIO Pin Table
			 * Note: The list length is obtained from the previous table entry
			 */
			if (previous_target) {
				acpi_rs_dump_word_list(*previous_target,
						       *(ACPI_CAST_INDIRECT_PTR
							 (u16, target)));
			}
			break;

		case ACPI_RSD_ADDRESS:
			/*
			 * Common flags for all Address resources
			 */
			acpi_rs_dump_address_common(ACPI_CAST_PTR
						    (union acpi_resource_data,
						     target));
			break;

		case ACPI_RSD_SOURCE:
			/*
			 * Optional resource_source for Address resources
			 */
			acpi_rs_dump_resource_source(ACPI_CAST_PTR
						     (struct
								   acpi_resource_source,
								   target));
			break;

		default:

			acpi_os_printf("**** Invalid table opcode [%X] ****\n",
				       table->opcode);
			return;
		}

ACPI_STATUS
AcpiRsConvertAmlToResources (
    UINT8                   *Aml,
    UINT32                  Length,
    UINT32                  Offset,
    UINT8                   ResourceIndex,
    void                    **Context)
{
    ACPI_RESOURCE           **ResourcePtr = ACPI_CAST_INDIRECT_PTR (
                                ACPI_RESOURCE, Context);
    ACPI_RESOURCE           *Resource;
    AML_RESOURCE            *AmlResource;
    ACPI_RSCONVERT_INFO     *ConversionTable;
    ACPI_STATUS             Status;


    ACPI_FUNCTION_TRACE (RsConvertAmlToResources);


    /*
     * Check that the input buffer and all subsequent pointers into it
     * are aligned on a native word boundary. Most important on IA64
     */
    Resource = *ResourcePtr;
    if (ACPI_IS_MISALIGNED (Resource))
    {
        ACPI_WARNING ((AE_INFO,
            "Misaligned resource pointer %p", Resource));
    }

    /* Get the appropriate conversion info table */

    AmlResource = ACPI_CAST_PTR (AML_RESOURCE, Aml);
    if (AcpiUtGetResourceType (Aml) == ACPI_RESOURCE_NAME_SERIAL_BUS)
    {
        if (AmlResource->CommonSerialBus.Type > AML_RESOURCE_MAX_SERIALBUSTYPE)
        {
            ConversionTable = NULL;
        }
        else
        {
            /* This is an I2C, SPI, or UART SerialBus descriptor */

            ConversionTable =
                AcpiGbl_ConvertResourceSerialBusDispatch[
                    AmlResource->CommonSerialBus.Type];
        }
    }
    else
    {
        ConversionTable =
            AcpiGbl_GetResourceDispatch[ResourceIndex];
    }

    if (!ConversionTable)
    {
        ACPI_ERROR ((AE_INFO,
            "Invalid/unsupported resource descriptor: Type 0x%2.2X",
            ResourceIndex));
        return_ACPI_STATUS (AE_AML_INVALID_RESOURCE_TYPE);
    }

     /* Convert the AML byte stream resource to a local resource struct */

    Status = AcpiRsConvertAmlToResource (
        Resource, AmlResource, ConversionTable);
    if (ACPI_FAILURE (Status))
    {
        ACPI_EXCEPTION ((AE_INFO, Status,
            "Could not convert AML resource (Type 0x%X)", *Aml));
        return_ACPI_STATUS (Status);
    }

    ACPI_DEBUG_PRINT ((ACPI_DB_RESOURCES,
        "Type %.2X, AmlLength %.2X InternalLength %.2X\n",
        AcpiUtGetResourceType (Aml), Length,
        Resource->Length));

    /* Point to the next structure in the output buffer */

    *ResourcePtr = ACPI_NEXT_RESOURCE (Resource);
    return_ACPI_STATUS (AE_OK);
}

static void
AcpiRsDumpDescriptor (
    void                    *Resource,
    ACPI_RSDUMP_INFO        *Table)
{
    UINT8                   *Target = NULL;
    UINT8                   *PreviousTarget;
    const char              *Name;
    UINT8                   Count;


    /* First table entry must contain the table length (# of table entries) */

    Count = Table->Offset;

    while (Count)
    {
        PreviousTarget = Target;
        Target = ACPI_ADD_PTR (UINT8, Resource, Table->Offset);
        Name = Table->Name;

        switch (Table->Opcode)
        {
        case ACPI_RSD_TITLE:
            /*
             * Optional resource title
             */
            if (Table->Name)
            {
                AcpiOsPrintf ("%s Resource\n", Name);
            }
            break;

        /* Strings */

        case ACPI_RSD_LITERAL:

            AcpiRsOutString (Name, ACPI_CAST_PTR (char, Table->Pointer));
            break;

        case ACPI_RSD_STRING:

            AcpiRsOutString (Name, ACPI_CAST_PTR (char, Target));
            break;

        /* Data items, 8/16/32/64 bit */

        case ACPI_RSD_UINT8:

            if (Table->Pointer)
            {
                AcpiRsOutString (Name, Table->Pointer [*Target]);
            }
            else
            {
                AcpiRsOutInteger8 (Name, ACPI_GET8 (Target));
            }
            break;

        case ACPI_RSD_UINT16:

            AcpiRsOutInteger16 (Name, ACPI_GET16 (Target));
            break;

        case ACPI_RSD_UINT32:

            AcpiRsOutInteger32 (Name, ACPI_GET32 (Target));
            break;

        case ACPI_RSD_UINT64:

            AcpiRsOutInteger64 (Name, ACPI_GET64 (Target));
            break;

        /* Flags: 1-bit and 2-bit flags supported */

        case ACPI_RSD_1BITFLAG:

            AcpiRsOutString (Name, Table->Pointer [*Target & 0x01]);
            break;

        case ACPI_RSD_2BITFLAG:

            AcpiRsOutString (Name, Table->Pointer [*Target & 0x03]);
            break;

        case ACPI_RSD_3BITFLAG:

            AcpiRsOutString (Name, Table->Pointer [*Target & 0x07]);
            break;

        case ACPI_RSD_SHORTLIST:
            /*
             * Short byte list (single line output) for DMA and IRQ resources
             * Note: The list length is obtained from the previous table entry
             */
            if (PreviousTarget)
            {
                AcpiRsOutTitle (Name);
                AcpiRsDumpShortByteList (*PreviousTarget, Target);
//.........这里部分代码省略.........