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C++ AcpiNsGetAttachedObject函数代码示例

原作者: [db:作者] 来自: [db:来源] 收藏 邀请

本文整理汇总了C++中AcpiNsGetAttachedObject函数的典型用法代码示例。如果您正苦于以下问题:C++ AcpiNsGetAttachedObject函数的具体用法?C++ AcpiNsGetAttachedObject怎么用?C++ AcpiNsGetAttachedObject使用的例子?那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。



在下文中一共展示了AcpiNsGetAttachedObject函数的20个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于我们的系统推荐出更棒的C++代码示例。

示例1: AcpiEvInitializeRegion

ACPI_STATUS
AcpiEvInitializeRegion (
    ACPI_OPERAND_OBJECT     *RegionObj,
    BOOLEAN                 AcpiNsLocked)
{
    ACPI_OPERAND_OBJECT     *HandlerObj;
    ACPI_OPERAND_OBJECT     *ObjDesc;
    ACPI_ADR_SPACE_TYPE     SpaceId;
    ACPI_NAMESPACE_NODE     *Node;
    ACPI_STATUS             Status;
    ACPI_NAMESPACE_NODE     *MethodNode;
    ACPI_NAME               *RegNamePtr = (ACPI_NAME *) METHOD_NAME__REG;
    ACPI_OPERAND_OBJECT     *RegionObj2;


    ACPI_FUNCTION_TRACE_U32 (EvInitializeRegion, AcpiNsLocked);


    if (!RegionObj)
    {
        return_ACPI_STATUS (AE_BAD_PARAMETER);
    }

    if (RegionObj->Common.Flags & AOPOBJ_OBJECT_INITIALIZED)
    {
        return_ACPI_STATUS (AE_OK);
    }

    RegionObj2 = AcpiNsGetSecondaryObject (RegionObj);
    if (!RegionObj2)
    {
        return_ACPI_STATUS (AE_NOT_EXIST);
    }

    Node = AcpiNsGetParentNode (RegionObj->Region.Node);
    SpaceId = RegionObj->Region.SpaceId;

    /* Setup defaults */

    RegionObj->Region.Handler = NULL;
    RegionObj2->Extra.Method_REG = NULL;
    RegionObj->Common.Flags &= ~(AOPOBJ_SETUP_COMPLETE);
    RegionObj->Common.Flags |= AOPOBJ_OBJECT_INITIALIZED;

    /* Find any "_REG" method associated with this region definition */

    Status = AcpiNsSearchOneScope (
                *RegNamePtr, Node, ACPI_TYPE_METHOD, &MethodNode);
    if (ACPI_SUCCESS (Status))
    {
        /*
         * The _REG method is optional and there can be only one per region
         * definition. This will be executed when the handler is attached
         * or removed
         */
        RegionObj2->Extra.Method_REG = MethodNode;
    }

    /*
     * The following loop depends upon the root Node having no parent
     * ie: AcpiGbl_RootNode->ParentEntry being set to NULL
     */
    while (Node)
    {
        /* Check to see if a handler exists */

        HandlerObj = NULL;
        ObjDesc = AcpiNsGetAttachedObject (Node);
        if (ObjDesc)
        {
            /* Can only be a handler if the object exists */

            switch (Node->Type)
            {
            case ACPI_TYPE_DEVICE:

                HandlerObj = ObjDesc->Device.Handler;
                break;

            case ACPI_TYPE_PROCESSOR:

                HandlerObj = ObjDesc->Processor.Handler;
                break;

            case ACPI_TYPE_THERMAL:

                HandlerObj = ObjDesc->ThermalZone.Handler;
                break;

            default:
                /* Ignore other objects */
                break;
            }

            while (HandlerObj)
            {
                /* Is this handler of the correct type? */

                if (HandlerObj->AddressSpace.SpaceId == SpaceId)
                {
//.........这里部分代码省略.........
开发者ID:DangerDexter,项目名称:FreeBSD-8.0-dyntick,代码行数:101,代码来源:evrgnini.c


示例2: AcpiDsCallControlMethod

ACPI_STATUS
AcpiDsCallControlMethod (
    ACPI_THREAD_STATE       *Thread,
    ACPI_WALK_STATE         *ThisWalkState,
    ACPI_PARSE_OBJECT       *Op)
{
    ACPI_STATUS             Status;
    ACPI_NAMESPACE_NODE     *MethodNode;
    ACPI_WALK_STATE         *NextWalkState = NULL;
    ACPI_OPERAND_OBJECT     *ObjDesc;
    ACPI_EVALUATE_INFO      *Info;
    UINT32                  i;


    ACPI_FUNCTION_TRACE_PTR (DsCallControlMethod, ThisWalkState);

    ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, "Calling method %p, currentstate=%p\n",
        ThisWalkState->PrevOp, ThisWalkState));

    /*
     * Get the namespace entry for the control method we are about to call
     */
    MethodNode = ThisWalkState->MethodCallNode;
    if (!MethodNode)
    {
        return_ACPI_STATUS (AE_NULL_ENTRY);
    }

    ObjDesc = AcpiNsGetAttachedObject (MethodNode);
    if (!ObjDesc)
    {
        return_ACPI_STATUS (AE_NULL_OBJECT);
    }

    /* Init for new method, possibly wait on method mutex */

    Status = AcpiDsBeginMethodExecution (MethodNode, ObjDesc,
                ThisWalkState);
    if (ACPI_FAILURE (Status))
    {
        return_ACPI_STATUS (Status);
    }

    /* Begin method parse/execution. Create a new walk state */

    NextWalkState = AcpiDsCreateWalkState (ObjDesc->Method.OwnerId,
                        NULL, ObjDesc, Thread);
    if (!NextWalkState)
    {
        Status = AE_NO_MEMORY;
        goto Cleanup;
    }

    /*
     * The resolved arguments were put on the previous walk state's operand
     * stack. Operands on the previous walk state stack always
     * start at index 0. Also, null terminate the list of arguments
     */
    ThisWalkState->Operands [ThisWalkState->NumOperands] = NULL;

    /*
     * Allocate and initialize the evaluation information block
     * TBD: this is somewhat inefficient, should change interface to
     * DsInitAmlWalk. For now, keeps this struct off the CPU stack
     */
    Info = ACPI_ALLOCATE_ZEROED (sizeof (ACPI_EVALUATE_INFO));
    if (!Info)
    {
        return_ACPI_STATUS (AE_NO_MEMORY);
    }

    Info->Parameters = &ThisWalkState->Operands[0];

    Status = AcpiDsInitAmlWalk (NextWalkState, NULL, MethodNode,
                ObjDesc->Method.AmlStart, ObjDesc->Method.AmlLength,
                Info, ACPI_IMODE_EXECUTE);

    ACPI_FREE (Info);
    if (ACPI_FAILURE (Status))
    {
        goto Cleanup;
    }

    /*
     * Delete the operands on the previous walkstate operand stack
     * (they were copied to new objects)
     */
    for (i = 0; i < ObjDesc->Method.ParamCount; i++)
    {
        AcpiUtRemoveReference (ThisWalkState->Operands [i]);
        ThisWalkState->Operands [i] = NULL;
    }

    /* Clear the operand stack */

    ThisWalkState->NumOperands = 0;

    ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH,
        "**** Begin nested execution of [%4.4s] **** WalkState=%p\n",
        MethodNode->Name.Ascii, NextWalkState));
//.........这里部分代码省略.........
开发者ID:BillTheBest,项目名称:libuinet,代码行数:101,代码来源:dsmethod.c


示例3: AcpiInstallNotifyHandler

ACPI_STATUS
AcpiInstallNotifyHandler (
    ACPI_HANDLE             Device,
    UINT32                  HandlerType,
    ACPI_NOTIFY_HANDLER     Handler,
    void                    *Context)
{
    ACPI_NAMESPACE_NODE     *Node = ACPI_CAST_PTR (ACPI_NAMESPACE_NODE, Device);
    ACPI_OPERAND_OBJECT     *ObjDesc;
    ACPI_OPERAND_OBJECT     *HandlerObj;
    ACPI_STATUS             Status;
    UINT32                  i;


    ACPI_FUNCTION_TRACE (AcpiInstallNotifyHandler);


    /* Parameter validation */

    if ((!Device) || (!Handler) || (!HandlerType) ||
        (HandlerType > ACPI_MAX_NOTIFY_HANDLER_TYPE))
    {
        return_ACPI_STATUS (AE_BAD_PARAMETER);
    }

    Status = AcpiUtAcquireMutex (ACPI_MTX_NAMESPACE);
    if (ACPI_FAILURE (Status))
    {
        return_ACPI_STATUS (Status);
    }

    /*
     * Root Object:
     * Registering a notify handler on the root object indicates that the
     * caller wishes to receive notifications for all objects. Note that
     * only one global handler can be registered per notify type.
     * Ensure that a handler is not already installed.
     */
    if (Device == ACPI_ROOT_OBJECT)
    {
        for (i = 0; i < ACPI_NUM_NOTIFY_TYPES; i++)
        {
            if (HandlerType & (i+1))
            {
                if (AcpiGbl_GlobalNotify[i].Handler)
                {
                    Status = AE_ALREADY_EXISTS;
                    goto UnlockAndExit;
                }

                AcpiGbl_GlobalNotify[i].Handler = Handler;
                AcpiGbl_GlobalNotify[i].Context = Context;
            }
        }

        goto UnlockAndExit; /* Global notify handler installed, all done */
    }

    /*
     * All Other Objects:
     * Caller will only receive notifications specific to the target
     * object. Note that only certain object types are allowed to
     * receive notifications.
     */

    /* Are Notifies allowed on this object? */

    if (!AcpiEvIsNotifyObject (Node))
    {
        Status = AE_TYPE;
        goto UnlockAndExit;
    }

    /* Check for an existing internal object, might not exist */

    ObjDesc = AcpiNsGetAttachedObject (Node);
    if (!ObjDesc)
    {
        /* Create a new object */

        ObjDesc = AcpiUtCreateInternalObject (Node->Type);
        if (!ObjDesc)
        {
            Status = AE_NO_MEMORY;
            goto UnlockAndExit;
        }

        /* Attach new object to the Node, remove local reference */

        Status = AcpiNsAttachObject (Device, ObjDesc, Node->Type);
        AcpiUtRemoveReference (ObjDesc);
        if (ACPI_FAILURE (Status))
        {
            goto UnlockAndExit;
        }
    }

    /* Ensure that the handler is not already installed in the lists */

    for (i = 0; i < ACPI_NUM_NOTIFY_TYPES; i++)
//.........这里部分代码省略.........
开发者ID:ikitayama,项目名称:acpica-tools,代码行数:101,代码来源:evxface.c


示例4: AcpiDbIntegrityWalk

static ACPI_STATUS
AcpiDbIntegrityWalk (
    ACPI_HANDLE             ObjHandle,
    UINT32                  NestingLevel,
    void                    *Context,
    void                    **ReturnValue)
{
    ACPI_INTEGRITY_INFO     *Info = (ACPI_INTEGRITY_INFO *) Context;
    ACPI_NAMESPACE_NODE     *Node = (ACPI_NAMESPACE_NODE *) ObjHandle;
    ACPI_OPERAND_OBJECT     *Object;
    BOOLEAN                 Alias = TRUE;


    Info->Nodes++;

    /* Verify the NS node, and dereference aliases */

    while (Alias)
    {
        if (ACPI_GET_DESCRIPTOR_TYPE (Node) != ACPI_DESC_TYPE_NAMED)
        {
            AcpiOsPrintf ("Invalid Descriptor Type for Node %p [%s] - is %2.2X should be %2.2X\n",
                Node, AcpiUtGetDescriptorName (Node), ACPI_GET_DESCRIPTOR_TYPE (Node),
                ACPI_DESC_TYPE_NAMED);
            return (AE_OK);
        }

        if ((Node->Type == ACPI_TYPE_LOCAL_ALIAS)  ||
            (Node->Type == ACPI_TYPE_LOCAL_METHOD_ALIAS))
        {
            Node = (ACPI_NAMESPACE_NODE *) Node->Object;
        }
        else
        {
            Alias = FALSE;
        }
    }

    if (Node->Type > ACPI_TYPE_LOCAL_MAX)
    {
        AcpiOsPrintf ("Invalid Object Type for Node %p, Type = %X\n",
            Node, Node->Type);
        return (AE_OK);
    }

    if (!AcpiUtValidAcpiName (Node->Name.Integer))
    {
        AcpiOsPrintf ("Invalid AcpiName for Node %p\n", Node);
        return (AE_OK);
    }

    Object = AcpiNsGetAttachedObject (Node);
    if (Object)
    {
        Info->Objects++;
        if (ACPI_GET_DESCRIPTOR_TYPE (Object) != ACPI_DESC_TYPE_OPERAND)
        {
            AcpiOsPrintf ("Invalid Descriptor Type for Object %p [%s]\n",
                Object, AcpiUtGetDescriptorName (Object));
        }
    }

    return (AE_OK);
}
开发者ID:Aresthu,项目名称:ucore_plus,代码行数:64,代码来源:dbnames.c


示例5: AcpiDsExecEndOp


//.........这里部分代码省略.........
            Status = AcpiDsEvalBufferFieldOperands (WalkState, Op);
            break;


        case AML_TYPE_CREATE_OBJECT:

            ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
                "Executing CreateObject (Buffer/Package) Op=%p\n", Op));

            switch (Op->Common.Parent->Common.AmlOpcode)
            {
            case AML_NAME_OP:
                /*
                 * Put the Node on the object stack (Contains the ACPI Name
                 * of this object)
                 */
                WalkState->Operands[0] = (void *)
                    Op->Common.Parent->Common.Node;
                WalkState->NumOperands = 1;

                Status = AcpiDsCreateNode (WalkState,
                    Op->Common.Parent->Common.Node, Op->Common.Parent);
                if (ACPI_FAILURE (Status))
                {
                    break;
                }

                /* Fall through */
                /*lint -fallthrough */

            case AML_INT_EVAL_SUBTREE_OP:

                Status = AcpiDsEvalDataObjectOperands (WalkState, Op,
                    AcpiNsGetAttachedObject (Op->Common.Parent->Common.Node));
                break;

            default:

                Status = AcpiDsEvalDataObjectOperands (WalkState, Op, NULL);
                break;
            }

            /*
             * If a result object was returned from above, push it on the
             * current result stack
             */
            if (WalkState->ResultObj)
            {
                Status = AcpiDsResultPush (WalkState->ResultObj, WalkState);
            }
            break;

        case AML_TYPE_NAMED_FIELD:
        case AML_TYPE_NAMED_COMPLEX:
        case AML_TYPE_NAMED_SIMPLE:
        case AML_TYPE_NAMED_NO_OBJ:

            Status = AcpiDsLoad2EndOp (WalkState);
            if (ACPI_FAILURE (Status))
            {
                break;
            }

            if (Op->Common.AmlOpcode == AML_REGION_OP)
            {
                ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
开发者ID:AmirAbrams,项目名称:haiku,代码行数:67,代码来源:dswexec.c


示例6: AcpiEvQueueNotifyRequest

ACPI_STATUS
AcpiEvQueueNotifyRequest (
    ACPI_NAMESPACE_NODE     *Node,
    UINT32                  NotifyValue)
{
    ACPI_OPERAND_OBJECT     *ObjDesc;
    ACPI_OPERAND_OBJECT     *HandlerListHead = NULL;
    ACPI_GENERIC_STATE      *Info;
    UINT8                   HandlerListId = 0;
    ACPI_STATUS             Status = AE_OK;


    ACPI_FUNCTION_NAME (EvQueueNotifyRequest);


    /* Are Notifies allowed on this object? */

    if (!AcpiEvIsNotifyObject (Node))
    {
        return (AE_TYPE);
    }

    /* Get the correct notify list type (System or Device) */

    if (NotifyValue <= ACPI_MAX_SYS_NOTIFY)
    {
        HandlerListId = ACPI_SYSTEM_HANDLER_LIST;
    }
    else
    {
        HandlerListId = ACPI_DEVICE_HANDLER_LIST;
    }

    /* Get the notify object attached to the namespace Node */

    ObjDesc = AcpiNsGetAttachedObject (Node);
    if (ObjDesc)
    {
        /* We have an attached object, Get the correct handler list */

        HandlerListHead = ObjDesc->CommonNotify.NotifyList[HandlerListId];
    }

    /*
     * If there is no notify handler (Global or Local)
     * for this object, just ignore the notify
     */
    if (!AcpiGbl_GlobalNotify[HandlerListId].Handler && !HandlerListHead)
    {
        ACPI_DEBUG_PRINT ((ACPI_DB_INFO,
            "No notify handler for Notify, ignoring (%4.4s, %X) node %p\n",
            AcpiUtGetNodeName (Node), NotifyValue, Node));

        return (AE_OK);
    }

    /* Setup notify info and schedule the notify dispatcher */

    Info = AcpiUtCreateGenericState ();
    if (!Info)
    {
        return (AE_NO_MEMORY);
    }

    Info->Common.DescriptorType = ACPI_DESC_TYPE_STATE_NOTIFY;

    Info->Notify.Node = Node;
    Info->Notify.Value = (UINT16) NotifyValue;
    Info->Notify.HandlerListId = HandlerListId;
    Info->Notify.HandlerListHead = HandlerListHead;
    Info->Notify.Global = &AcpiGbl_GlobalNotify[HandlerListId];

    ACPI_DEBUG_PRINT ((ACPI_DB_INFO,
        "Dispatching Notify on [%4.4s] (%s) Value 0x%2.2X (%s) Node %p\n",
        AcpiUtGetNodeName (Node), AcpiUtGetTypeName (Node->Type),
        NotifyValue, AcpiUtGetNotifyName (NotifyValue), Node));

    Status = AcpiOsExecute (OSL_NOTIFY_HANDLER, AcpiEvNotifyDispatch,
        Info);
    if (ACPI_FAILURE (Status))
    {
        AcpiUtDeleteGenericState (Info);
    }

    return (Status);
}
开发者ID:rodero95,项目名称:sys,代码行数:86,代码来源:evmisc.c


示例7: AcpiInstallNotifyHandler

ACPI_STATUS
AcpiInstallNotifyHandler (
    ACPI_HANDLE             Device,
    UINT32                  HandlerType,
    ACPI_NOTIFY_HANDLER     Handler,
    void                    *Context)
{
    ACPI_OPERAND_OBJECT     *ObjDesc;
    ACPI_OPERAND_OBJECT     *NotifyObj;
    ACPI_NAMESPACE_NODE     *Node;
    ACPI_STATUS             Status;


    ACPI_FUNCTION_TRACE (AcpiInstallNotifyHandler);


    /* Parameter validation */

    if ((!Device)  ||
        (!Handler) ||
        (HandlerType > ACPI_MAX_NOTIFY_HANDLER_TYPE))
    {
        return_ACPI_STATUS (AE_BAD_PARAMETER);
    }

    Status = AcpiUtAcquireMutex (ACPI_MTX_NAMESPACE);
    if (ACPI_FAILURE (Status))
    {
        return_ACPI_STATUS (Status);
    }

    /* Convert and validate the device handle */

    Node = AcpiNsMapHandleToNode (Device);
    if (!Node)
    {
        Status = AE_BAD_PARAMETER;
        goto UnlockAndExit;
    }

    /*
     * Root Object:
     * Registering a notify handler on the root object indicates that the
     * caller wishes to receive notifications for all objects.  Note that
     * only one <external> global handler can be regsitered (per notify type).
     */
    if (Device == ACPI_ROOT_OBJECT)
    {
        /* Make sure the handler is not already installed */

        if (((HandlerType & ACPI_SYSTEM_NOTIFY) &&
                AcpiGbl_SystemNotify.Handler)       ||
            ((HandlerType & ACPI_DEVICE_NOTIFY) &&
                AcpiGbl_DeviceNotify.Handler))
        {
            Status = AE_ALREADY_EXISTS;
            goto UnlockAndExit;
        }

        if (HandlerType & ACPI_SYSTEM_NOTIFY)
        {
            AcpiGbl_SystemNotify.Node    = Node;
            AcpiGbl_SystemNotify.Handler = Handler;
            AcpiGbl_SystemNotify.Context = Context;
        }

        if (HandlerType & ACPI_DEVICE_NOTIFY)
        {
            AcpiGbl_DeviceNotify.Node    = Node;
            AcpiGbl_DeviceNotify.Handler = Handler;
            AcpiGbl_DeviceNotify.Context = Context;
        }

        /* Global notify handler installed */
    }

    /*
     * All Other Objects:
     * Caller will only receive notifications specific to the target object.
     * Note that only certain object types can receive notifications.
     */
    else
    {
        /* Notifies allowed on this object? */

        if (!AcpiEvIsNotifyObject (Node))
        {
            Status = AE_TYPE;
            goto UnlockAndExit;
        }

        /* Check for an existing internal object */

        ObjDesc = AcpiNsGetAttachedObject (Node);
        if (ObjDesc)
        {
            /* Object exists - make sure there's no handler */

            if (((HandlerType & ACPI_SYSTEM_NOTIFY) &&
                    ObjDesc->CommonNotify.SystemNotify)   ||
//.........这里部分代码省略.........
开发者ID:oza,项目名称:FreeBSD-7.3-dyntick,代码行数:101,代码来源:evxface.c


示例8: AcpiNsEvaluate

ACPI_STATUS
AcpiNsEvaluate (
    ACPI_EVALUATE_INFO      *Info)
{
    ACPI_STATUS             Status;


    ACPI_FUNCTION_TRACE (NsEvaluate);


    if (!Info)
    {
        return_ACPI_STATUS (AE_BAD_PARAMETER);
    }

    if (!Info->Node)
    {
        /*
         * Get the actual namespace node for the target object if we
         * need to. Handles these cases:
         *
         * 1) Null node, valid pathname from root (absolute path)
         * 2) Node and valid pathname (path relative to Node)
         * 3) Node, Null pathname
         */
        Status = AcpiNsGetNode (Info->PrefixNode, Info->RelativePathname,
            ACPI_NS_NO_UPSEARCH, &Info->Node);
        if (ACPI_FAILURE (Status))
        {
            return_ACPI_STATUS (Status);
        }
    }

    /*
     * For a method alias, we must grab the actual method node so that
     * proper scoping context will be established before execution.
     */
    if (AcpiNsGetType (Info->Node) == ACPI_TYPE_LOCAL_METHOD_ALIAS)
    {
        Info->Node = ACPI_CAST_PTR (
            ACPI_NAMESPACE_NODE, Info->Node->Object);
    }

    /* Complete the info block initialization */

    Info->ReturnObject = NULL;
    Info->NodeFlags = Info->Node->Flags;
    Info->ObjDesc = AcpiNsGetAttachedObject (Info->Node);

    ACPI_DEBUG_PRINT ((ACPI_DB_NAMES, "%s [%p] Value %p\n",
        Info->RelativePathname, Info->Node,
        AcpiNsGetAttachedObject (Info->Node)));

    /* Get info if we have a predefined name (_HID, etc.) */

    Info->Predefined = AcpiUtMatchPredefinedMethod (Info->Node->Name.Ascii);

    /* Get the full pathname to the object, for use in warning messages */

    Info->FullPathname = AcpiNsGetExternalPathname (Info->Node);
    if (!Info->FullPathname)
    {
        return_ACPI_STATUS (AE_NO_MEMORY);
    }

    /* Count the number of arguments being passed in */

    Info->ParamCount = 0;
    if (Info->Parameters)
    {
        while (Info->Parameters[Info->ParamCount])
        {
            Info->ParamCount++;
        }

        /* Warn on impossible argument count */

        if (Info->ParamCount > ACPI_METHOD_NUM_ARGS)
        {
            ACPI_WARN_PREDEFINED ((AE_INFO, Info->FullPathname, ACPI_WARN_ALWAYS,
                "Excess arguments (%u) - using only %u",
                Info->ParamCount, ACPI_METHOD_NUM_ARGS));

            Info->ParamCount = ACPI_METHOD_NUM_ARGS;
        }
    }

    /*
     * For predefined names: Check that the declared argument count
     * matches the ACPI spec -- otherwise this is a BIOS error.
     */
    AcpiNsCheckAcpiCompliance (Info->FullPathname, Info->Node,
        Info->Predefined);

    /*
     * For all names: Check that the incoming argument count for
     * this method/object matches the actual ASL/AML definition.
     */
    AcpiNsCheckArgumentCount (Info->FullPathname, Info->Node,
        Info->ParamCount, Info->Predefined);
//.........这里部分代码省略.........
开发者ID:LauraBerry,项目名称:A2cpsc457,代码行数:101,代码来源:nseval.c


示例9: AcpiNsExecModuleCode

static void
AcpiNsExecModuleCode (
    ACPI_OPERAND_OBJECT     *MethodObj,
    ACPI_EVALUATE_INFO      *Info)
{
    ACPI_OPERAND_OBJECT     *ParentObj;
    ACPI_NAMESPACE_NODE     *ParentNode;
    ACPI_OBJECT_TYPE        Type;
    ACPI_STATUS             Status;


    ACPI_FUNCTION_TRACE (NsExecModuleCode);


    /*
     * Get the parent node. We cheat by using the NextObject field
     * of the method object descriptor.
     */
    ParentNode = ACPI_CAST_PTR (ACPI_NAMESPACE_NODE,
                    MethodObj->Method.NextObject);
    Type = AcpiNsGetType (ParentNode);

    /*
     * Get the region handler and save it in the method object. We may need
     * this if an operation region declaration causes a _REG method to be run.
     *
     * We can't do this in AcpiPsLinkModuleCode because
     * AcpiGbl_RootNode->Object is NULL at PASS1.
     */
    if ((Type == ACPI_TYPE_DEVICE) && ParentNode->Object)
    {
        MethodObj->Method.Dispatch.Handler =
            ParentNode->Object->Device.Handler;
    }

    /* Must clear NextObject (AcpiNsAttachObject needs the field) */

    MethodObj->Method.NextObject = NULL;

    /* Initialize the evaluation information block */

    ACPI_MEMSET (Info, 0, sizeof (ACPI_EVALUATE_INFO));
    Info->PrefixNode = ParentNode;

    /*
     * Get the currently attached parent object. Add a reference, because the
     * ref count will be decreased when the method object is installed to
     * the parent node.
     */
    ParentObj = AcpiNsGetAttachedObject (ParentNode);
    if (ParentObj)
    {
        AcpiUtAddReference (ParentObj);
    }

    /* Install the method (module-level code) in the parent node */

    Status = AcpiNsAttachObject (ParentNode, MethodObj,
                ACPI_TYPE_METHOD);
    if (ACPI_FAILURE (Status))
    {
        goto Exit;
    }

    /* Execute the parent node as a control method */

    Status = AcpiNsEvaluate (Info);

    ACPI_DEBUG_PRINT ((ACPI_DB_INIT, "Executed module-level code at %p\n",
        MethodObj->Method.AmlStart));

    /* Delete a possible implicit return value (in slack mode) */

    if (Info->ReturnObject)
    {
        AcpiUtRemoveReference (Info->ReturnObject);
    }

    /* Detach the temporary method object */

    AcpiNsDetachObject (ParentNode);

    /* Restore the original parent object */

    if (ParentObj)
    {
        Status = AcpiNsAttachObject (ParentNode, ParentObj, Type);
    }
    else
    {
        ParentNode->Type = (UINT8) Type;
    }

Exit:
    if (ParentObj)
    {
        AcpiUtRemoveReference (ParentObj);
    }
    return_VOID;
}
开发者ID:LauraBerry,项目名称:A2cpsc457,代码行数:100,代码来源:nseval.c


示例10: AcpiEvInstallSpaceHandler

ACPI_STATUS
AcpiEvInstallSpaceHandler (
    ACPI_NAMESPACE_NODE     *Node,
    ACPI_ADR_SPACE_TYPE     SpaceId,
    ACPI_ADR_SPACE_HANDLER  Handler,
    ACPI_ADR_SPACE_SETUP    Setup,
    void                    *Context)
{
    ACPI_OPERAND_OBJECT     *ObjDesc;
    ACPI_OPERAND_OBJECT     *HandlerObj;
    ACPI_STATUS             Status = AE_OK;
    ACPI_OBJECT_TYPE        Type;
    UINT8                   Flags = 0;


    ACPI_FUNCTION_TRACE (EvInstallSpaceHandler);


    /*
     * This registration is valid for only the types below and the root.
     * The root node is where the default handlers get installed.
     */
    if ((Node->Type != ACPI_TYPE_DEVICE)     &&
            (Node->Type != ACPI_TYPE_PROCESSOR)  &&
            (Node->Type != ACPI_TYPE_THERMAL)    &&
            (Node != AcpiGbl_RootNode))
    {
        Status = AE_BAD_PARAMETER;
        goto UnlockAndExit;
    }

    if (Handler == ACPI_DEFAULT_HANDLER)
    {
        Flags = ACPI_ADDR_HANDLER_DEFAULT_INSTALLED;

        switch (SpaceId)
        {
        case ACPI_ADR_SPACE_SYSTEM_MEMORY:

            Handler = AcpiExSystemMemorySpaceHandler;
            Setup   = AcpiEvSystemMemoryRegionSetup;
            break;

        case ACPI_ADR_SPACE_SYSTEM_IO:

            Handler = AcpiExSystemIoSpaceHandler;
            Setup   = AcpiEvIoSpaceRegionSetup;
            break;

        case ACPI_ADR_SPACE_PCI_CONFIG:

            Handler = AcpiExPciConfigSpaceHandler;
            Setup   = AcpiEvPciConfigRegionSetup;
            break;

        case ACPI_ADR_SPACE_CMOS:

            Handler = AcpiExCmosSpaceHandler;
            Setup   = AcpiEvCmosRegionSetup;
            break;

        case ACPI_ADR_SPACE_PCI_BAR_TARGET:

            Handler = AcpiExPciBarSpaceHandler;
            Setup   = AcpiEvPciBarRegionSetup;
            break;

        case ACPI_ADR_SPACE_DATA_TABLE:

            Handler = AcpiExDataTableSpaceHandler;
            Setup   = NULL;
            break;

        default:

            Status = AE_BAD_PARAMETER;
            goto UnlockAndExit;
        }
    }

    /* If the caller hasn't specified a setup routine, use the default */

    if (!Setup)
    {
        Setup = AcpiEvDefaultRegionSetup;
    }

    /* Check for an existing internal object */

    ObjDesc = AcpiNsGetAttachedObject (Node);
    if (ObjDesc)
    {
        /*
         * The attached device object already exists. Now make sure
         * the handler is not already installed.
         */
        HandlerObj = AcpiEvFindRegionHandler (SpaceId,
                                              ObjDesc->CommonNotify.Handler);

        if (HandlerObj)
//.........这里部分代码省略.........
开发者ID:tomtor,项目名称:freebsd,代码行数:101,代码来源:evhandler.c


示例11: AcpiEvInstallHandler

static ACPI_STATUS
AcpiEvInstallHandler (
    ACPI_HANDLE             ObjHandle,
    UINT32                  Level,
    void                    *Context,
    void                    **ReturnValue)
{
    ACPI_OPERAND_OBJECT     *HandlerObj;
    ACPI_OPERAND_OBJECT     *NextHandlerObj;
    ACPI_OPERAND_OBJECT     *ObjDesc;
    ACPI_NAMESPACE_NODE     *Node;
    ACPI_STATUS             Status;


    ACPI_FUNCTION_NAME (EvInstallHandler);


    HandlerObj = (ACPI_OPERAND_OBJECT  *) Context;

    /* Parameter validation */

    if (!HandlerObj)
    {
        return (AE_OK);
    }

    /* Convert and validate the device handle */

    Node = AcpiNsValidateHandle (ObjHandle);
    if (!Node)
    {
        return (AE_BAD_PARAMETER);
    }

    /*
     * We only care about regions and objects that are allowed to have
     * address space handlers
     */
    if ((Node->Type != ACPI_TYPE_DEVICE) &&
            (Node->Type != ACPI_TYPE_REGION) &&
            (Node != AcpiGbl_RootNode))
    {
        return (AE_OK);
    }

    /* Check for an existing internal object */

    ObjDesc = AcpiNsGetAttachedObject (Node);
    if (!ObjDesc)
    {
        /* No object, just exit */

        return (AE_OK);
    }

    /* Devices are handled different than regions */

    if (ObjDesc->Common.Type == ACPI_TYPE_DEVICE)
    {
        /* Check if this Device already has a handler for this address space */

        NextHandlerObj = AcpiEvFindRegionHandler (
                             HandlerObj->AddressSpace.SpaceId, ObjDesc->CommonNotify.Handler);
        if (NextHandlerObj)
        {
            /* Found a handler, is it for the same address space? */

            ACPI_DEBUG_PRINT ((ACPI_DB_OPREGION,
                               "Found handler for region [%s] in device %p(%p) handler %p\n",
                               AcpiUtGetRegionName (HandlerObj->AddressSpace.SpaceId),
                               ObjDesc, NextHandlerObj, HandlerObj));

            /*
             * Since the object we found it on was a device, then it means
             * that someone has already installed a handler for the branch
             * of the namespace from this device on. Just bail out telling
             * the walk routine to not traverse this branch. This preserves
             * the scoping rule for handlers.
             */
            return (AE_CTRL_DEPTH);
        }

        /*
         * As long as the device didn't have a handler for this space we
         * don't care about it. We just ignore it and proceed.
         */
        return (AE_OK);
    }

    /* Object is a Region */

    if (ObjDesc->Region.SpaceId != HandlerObj->AddressSpace.SpaceId)
    {
        /* This region is for a different address space, just ignore it */

        return (AE_OK);
    }

    /*
     * Now we have a region and it is for the handler's address space type.
//.........这里部分代码省略.........
开发者ID:tomtor,项目名称:freebsd,代码行数:101,代码来源:evhandler.c


示例12: AcpiNsDumpOneObject

ACPI_STATUS
AcpiNsDumpOneObject (
    ACPI_HANDLE             ObjHandle,
    UINT32                  Level,
    void                    *Context,
    void                    **ReturnValue)
{
    ACPI_WALK_INFO          *Info = (ACPI_WALK_INFO *) Context;
    ACPI_NAMESPACE_NODE     *ThisNode;
    ACPI_OPERAND_OBJECT     *ObjDesc = NULL;
    ACPI_OBJECT_TYPE        ObjType;
    ACPI_OBJECT_TYPE        Type;
    UINT32                  BytesToDump;
    UINT32                  DbgLevel;
    UINT32                  i;


    ACPI_FUNCTION_NAME (NsDumpOneObject);


    /* Is output enabled? */

    if (!(AcpiDbgLevel & Info->DebugLevel))
    {
        return (AE_OK);
    }

    if (!ObjHandle)
    {
        ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Null object handle\n"));
        return (AE_OK);
    }

    ThisNode = AcpiNsValidateHandle (ObjHandle);
    if (!ThisNode)
    {
        ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Invalid object handle %p\n",
            ObjHandle));
        return (AE_OK);
    }

    Type = ThisNode->Type;

    /* Check if the owner matches */

    if ((Info->OwnerId != ACPI_OWNER_ID_MAX) &&
        (Info->OwnerId != ThisNode->OwnerId))
    {
        return (AE_OK);
    }

    if (!(Info->DisplayType & ACPI_DISPLAY_SHORT))
    {
        /* Indent the object according to the level */

        AcpiOsPrintf ("%2d%*s", (UINT32) Level - 1, (int) Level * 2, " ");

        /* Check the node type and name */

        if (Type > ACPI_TYPE_LOCAL_MAX)
        {
            ACPI_WARNING ((AE_INFO,
                "Invalid ACPI Object Type 0x%08X", Type));
        }

        AcpiOsPrintf ("%4.4s", AcpiUtGetNodeName (ThisNode));
    }

    /* Now we can print out the pertinent information */

    AcpiOsPrintf (" %-12s %p %2.2X ",
        AcpiUtGetTypeName (Type), ThisNode, ThisNode->OwnerId);

    DbgLevel = AcpiDbgLevel;
    AcpiDbgLevel = 0;
    ObjDesc = AcpiNsGetAttachedObject (ThisNode);
    AcpiDbgLevel = DbgLevel;

    /* Temp nodes are those nodes created by a control method */

    if (ThisNode->Flags & ANOBJ_TEMPORARY)
    {
        AcpiOsPrintf ("(T) ");
    }

    switch (Info->DisplayType & ACPI_DISPLAY_MASK)
    {
    case ACPI_DISPLAY_SUMMARY:

        if (!ObjDesc)
        {
            /* No attached object. Some types should always have an object */

            switch (Type)
            {
            case ACPI_TYPE_INTEGER:
            case ACPI_TYPE_PACKAGE:
            case ACPI_TYPE_BUFFER:
            case ACPI_TYPE_STRING:
            case ACPI_TYPE_METHOD:
//.........这里部分代码省略.........
开发者ID:RehabMan,项目名称:Intel-iasl,代码行数:101,代码来源:nsdump.c


示例13: AcpiDsEvalTableRegionOperands

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);
}
开发者ID:michas2,项目名称:l4re-snapshot,代码行数:90,代码来源:dsopcode.c


示例14: AcpiRemoveNotifyHandler

ACPI_STATUS
AcpiRemoveNotifyHandler (
    ACPI_HANDLE             Device,
    UINT32                  HandlerType,
    ACPI_NOTIFY_HANDLER     Handler)
{
    ACPI_OPERAND_OBJECT     *NotifyObj;
    ACPI_OPERAND_OBJECT     *ObjDesc;
    ACPI_NAMESPACE_NODE     *Node;
    ACPI_STATUS             Status;


    ACPI_FUNCTION_TRACE (AcpiRemoveNotifyHandler);


    /* Parameter validation */

    if ((!Device)  ||
        (!Handler) ||
        (HandlerType > ACPI_MAX_NOTIFY_HANDLER_TYPE))
    {
        return_ACPI_STATUS (AE_BAD_PARAMETER);
    }

    Status = AcpiUtAcquireMutex (ACPI_MTX_NAMESPACE);
    if (ACPI_FAILURE (Status))
    {
        return_ACPI_STATUS (Status);
    }

    /* Convert and validate the device handle */

    Node = AcpiNsMapHandleToNode (Device);
    if (!Node)
    {
        Status = AE_BAD_PARAMETER;
        goto UnlockAndExit;
    }

    /* Root Object */

    if (Device == ACPI_ROOT_OBJECT)
    {
        ACPI_DEBUG_PRINT ((ACPI_DB_INFO,
            "Removing notify handler for namespace root object\n"));

        if (((HandlerType & ACPI_SYSTEM_NOTIFY) &&
              !AcpiGbl_SystemNotify.Handler)        ||
            ((HandlerType & ACPI_DEVICE_NOTIFY) &&
              !AcpiGbl_DeviceNotify.Handler))
        {
            Status = AE_NOT_EXIST;
            goto UnlockAndExit;
        }

        if (HandlerType & ACPI_SYSTEM_NOTIFY)
        {
            AcpiGbl_SystemNotify.Node    = NULL;
            AcpiGbl_SystemNotify.Handler = NULL;
            AcpiGbl_SystemNotify.Context = NULL;
        }

        if (HandlerType & ACPI_DEVICE_NOTIFY)
        {
            AcpiGbl_DeviceNotify.Node    = NULL;
            AcpiGbl_DeviceNotify.Handler = NULL;
            AcpiGbl_DeviceNotify.Context = NULL;
        }
    }

    /* All Other Objects */

    else
    {
        /* Notifies allowed on this object? */

        if (!AcpiEvIsNotifyObject (Node))
        {
            Status = AE_TYPE;
            goto UnlockAndExit;
        }

        /* Check for an existing internal object */

        ObjDesc = AcpiNsGetAttachedObject (Node);
        if (!ObjDesc)
        {
            Status = AE_NOT_EXIST;
            goto UnlockAndExit;
        }

        /* Object exists - make sure there's an existing handler */

        if (HandlerType & ACPI_SYSTEM_NOTIFY)
        {
            NotifyObj = ObjDesc->CommonNotify.SystemNotify;
            if (!NotifyObj)
            {
                Status = AE_NOT_EXIST;
                goto UnlockAndExit;
//.........这里部分代码省略.........
开发者ID:oza,项目名称:FreeBSD-7.3-dyntick,代码行数:101,代码来源:evxface.c


示例15: AcpiDsEvalBankFieldOperands

ACPI_STATUS
AcpiDsEvalBankFieldOperands (
    ACPI_WALK_STATE         *WalkState,
    ACPI_PARSE_OBJECT       *Op)
{
    ACPI_STATUS             Status;
    ACPI_OPERAND_OBJECT     *ObjDesc;
    ACPI_OPERAND_OBJECT     *OperandDesc;
    ACPI_NAMESPACE_NODE     *Node;
    ACPI_PARSE_OBJECT       *NextOp;
    ACPI_PARSE_OBJECT       *Arg;


    ACPI_FUNCTION_TRACE_PTR (DsEvalBankFieldOperands, Op);


    /*
     * This is where we evaluate the BankValue field of the
     * BankField declaration
     */

    /* NextOp points to the op that holds the Region */

    NextOp = Op->Common.Value.Arg;

    /* NextOp points to the op that holds the Bank Register */

    NextOp = NextOp->Common.Next;

    /* NextOp points to the op that holds the Bank Value */

    NextOp = NextOp->Common.Next;

    /*
     * Set proper index into operand stack for AcpiDsObjStackPush
     * invoked inside AcpiDsCreateOperand.
     *
     * We use WalkState->Operands[0] to store the evaluated BankValue
     */
    WalkState->OperandIndex = 0;

    Status = AcpiDsCreateOperand (WalkState, NextOp, 0);
    if (ACPI_FAILURE (Status))
    {
        return_ACPI_STATUS (Status);
    }

    Status = AcpiExResolveToValue (&WalkState->Operands[0], WalkState);
    if (ACPI_FAILURE (Status))
    {
        return_ACPI_STATUS (Status);
    }

    ACPI_DUMP_OPERANDS (ACPI_WALK_OPERANDS,
                        AcpiPsGetOpcodeName (Op->Common.AmlOpcode), 1);
    /*
     * Get the BankValue operand and save it
     * (at Top of stack)
     */
    OperandDesc = WalkState->Operands[0];

    /* Arg points to the start Bank Field */

    Arg = AcpiPsGetArg (Op, 4);
    while (Arg)
    {
        /* Ignore OFFSET and ACCESSAS terms here */

        if (Arg->Common.AmlOpcode == AML_INT_NAMEDFIELD_OP)
        {
            Node = Arg->Common.Node;

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

            ObjDesc->BankField.Value = (UINT32) OperandDesc->Integer.Value;
        }

        /* Move to next field in the list */

        Arg = Arg->Common.Next;
    }

    AcpiUtRemoveReference (OperandDesc);
    return_ACPI_STATUS (Status);
}
开发者ID:michas2,项目名称:l4re-snapshot,代码行数:89,代码来源:dsopcode.c


示例16: AcpiEvInitializeRegion

ACPI_STATUS
AcpiEvInitializeRegion (
    ACPI_OPERAND_OBJECT     *RegionObj,
    BOOLEAN                 AcpiNsLocked)
{
    ACPI_OPERAND_OBJECT     *HandlerObj;
    ACPI_OPERAND_OBJECT     *ObjDesc;
    ACPI_ADR_SPACE_TYPE     SpaceId;
    ACPI_NAMESPACE_NODE     *Node;
    ACPI_STATUS             Status;


    ACPI_FUNCTION_TRACE_U32 (EvInitializeRegion, AcpiNsLocked);


    if (!RegionObj)
    {
        return_ACPI_STATUS (AE_BAD_PARAMETER);
    }

    if (RegionObj->Common.Flags & AOPOBJ_OBJECT_INITIALIZED)
    {
        return_ACPI_STATUS (AE_OK);
    }

    RegionObj->Common.Flags |= AOPOBJ_OBJECT_INITIALIZED;

    Node = RegionObj->Region.Node->Parent;
    SpaceId = RegionObj->Region.SpaceId;

    /*
     * The following loop depends upon the root Node having no parent
     * ie: AcpiGbl_RootNode->Parent being set to NULL
     */
    while (Node)
    {
        /* Check to see if a handler exists */

        HandlerObj = NULL;
        ObjDesc = AcpiNsGetAttachedObject (Node);
        if (ObjDesc)
        {
            /* Can only be a handler if the object exists */

            switch (Node->Type)
            {
            case ACPI_TYPE_DEVICE:
            case ACPI_TYPE_PROCESSOR:
            case ACPI_TYPE_THERMAL:

                HandlerObj = ObjDesc->CommonNotify.Handler;
                break;

            case ACPI_TYPE_METHOD:
                /*
                 * If we are executing module level code, the original
                 * Node's object was replaced by this Method object and we
                 * saved the handler in the method object.
                 *
                 * See AcpiNsExecModuleCode
                 */
                if (ObjDesc->Method.InfoFlags & ACPI_METHOD_MODULE_LEVEL)
                {
                    HandlerObj = ObjDesc->Method.Dispatch.Handler;
                }
                break;

            default:

                /* Ignore other objects */

                break;
            }

            HandlerObj = AcpiEvFindRegionHandler (SpaceId, HandlerObj);
            if (HandlerObj)
            {
                /* Found correct handler */

                ACPI_DEBUG_PRINT ((ACPI_DB_OPREGION,
                    "Found handler %p for region %p in obj %p\n",
                    HandlerObj, RegionObj, ObjDesc));

                Status = AcpiEvAttachRegion (HandlerObj, RegionObj,
                    AcpiNsLocked);

                /*
                 * Tell all users that this region is usable by
       

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