--- old/usr/src/uts/intel/io/acpica/executer/exstore.c	ven. janv. 17 07:30:16 2014
+++ /dev/null	ven. janv. 17 07:30:05 2014
@@ -1,531 +0,0 @@
-/******************************************************************************
- *
- * Module Name: exstore - AML Interpreter object store support
- *
- *****************************************************************************/
-
-/*
- * Copyright (C) 2000 - 2011, Intel Corp.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions, and the following disclaimer,
- *    without modification.
- * 2. Redistributions in binary form must reproduce at minimum a disclaimer
- *    substantially similar to the "NO WARRANTY" disclaimer below
- *    ("Disclaimer") and any redistribution must be conditioned upon
- *    including a substantially similar Disclaimer requirement for further
- *    binary redistribution.
- * 3. Neither the names of the above-listed copyright holders nor the names
- *    of any contributors may be used to endorse or promote products derived
- *    from this software without specific prior written permission.
- *
- * Alternatively, this software may be distributed under the terms of the
- * GNU General Public License ("GPL") version 2 as published by the Free
- * Software Foundation.
- *
- * NO WARRANTY
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
- * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGES.
- */
-
-#define __EXSTORE_C__
-
-#include "acpi.h"
-#include "accommon.h"
-#include "acdispat.h"
-#include "acinterp.h"
-#include "amlcode.h"
-#include "acnamesp.h"
-
-
-#define _COMPONENT          ACPI_EXECUTER
-        ACPI_MODULE_NAME    ("exstore")
-
-/* Local prototypes */
-
-static ACPI_STATUS
-AcpiExStoreObjectToIndex (
-    ACPI_OPERAND_OBJECT     *ValDesc,
-    ACPI_OPERAND_OBJECT     *DestDesc,
-    ACPI_WALK_STATE         *WalkState);
-
-
-/*******************************************************************************
- *
- * FUNCTION:    AcpiExStore
- *
- * PARAMETERS:  *SourceDesc         - Value to be stored
- *              *DestDesc           - Where to store it.  Must be an NS node
- *                                    or an ACPI_OPERAND_OBJECT of type
- *                                    Reference;
- *              WalkState           - Current walk state
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Store the value described by SourceDesc into the location
- *              described by DestDesc.  Called by various interpreter
- *              functions to store the result of an operation into
- *              the destination operand -- not just simply the actual "Store"
- *              ASL operator.
- *
- ******************************************************************************/
-
-ACPI_STATUS
-AcpiExStore (
-    ACPI_OPERAND_OBJECT     *SourceDesc,
-    ACPI_OPERAND_OBJECT     *DestDesc,
-    ACPI_WALK_STATE         *WalkState)
-{
-    ACPI_STATUS             Status = AE_OK;
-    ACPI_OPERAND_OBJECT     *RefDesc = DestDesc;
-
-
-    ACPI_FUNCTION_TRACE_PTR (ExStore, DestDesc);
-
-
-    /* Validate parameters */
-
-    if (!SourceDesc || !DestDesc)
-    {
-        ACPI_ERROR ((AE_INFO, "Null parameter"));
-        return_ACPI_STATUS (AE_AML_NO_OPERAND);
-    }
-
-    /* DestDesc can be either a namespace node or an ACPI object */
-
-    if (ACPI_GET_DESCRIPTOR_TYPE (DestDesc) == ACPI_DESC_TYPE_NAMED)
-    {
-        /*
-         * Dest is a namespace node,
-         * Storing an object into a Named node.
-         */
-        Status = AcpiExStoreObjectToNode (SourceDesc,
-                    (ACPI_NAMESPACE_NODE *) DestDesc, WalkState,
-                    ACPI_IMPLICIT_CONVERSION);
-
-        return_ACPI_STATUS (Status);
-    }
-
-    /* Destination object must be a Reference or a Constant object */
-
-    switch (DestDesc->Common.Type)
-    {
-    case ACPI_TYPE_LOCAL_REFERENCE:
-        break;
-
-    case ACPI_TYPE_INTEGER:
-
-        /* Allow stores to Constants -- a Noop as per ACPI spec */
-
-        if (DestDesc->Common.Flags & AOPOBJ_AML_CONSTANT)
-        {
-            return_ACPI_STATUS (AE_OK);
-        }
-
-        /*lint -fallthrough */
-
-    default:
-
-        /* Destination is not a Reference object */
-
-        ACPI_ERROR ((AE_INFO,
-            "Target is not a Reference or Constant object - %s [%p]",
-            AcpiUtGetObjectTypeName (DestDesc), DestDesc));
-
-        return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
-    }
-
-    /*
-     * Examine the Reference class. These cases are handled:
-     *
-     * 1) Store to Name (Change the object associated with a name)
-     * 2) Store to an indexed area of a Buffer or Package
-     * 3) Store to a Method Local or Arg
-     * 4) Store to the debug object
-     */
-    switch (RefDesc->Reference.Class)
-    {
-    case ACPI_REFCLASS_REFOF:
-
-        /* Storing an object into a Name "container" */
-
-        Status = AcpiExStoreObjectToNode (SourceDesc,
-                    RefDesc->Reference.Object,
-                    WalkState, ACPI_IMPLICIT_CONVERSION);
-        break;
-
-
-    case ACPI_REFCLASS_INDEX:
-
-        /* Storing to an Index (pointer into a packager or buffer) */
-
-        Status = AcpiExStoreObjectToIndex (SourceDesc, RefDesc, WalkState);
-        break;
-
-
-    case ACPI_REFCLASS_LOCAL:
-    case ACPI_REFCLASS_ARG:
-
-        /* Store to a method local/arg  */
-
-        Status = AcpiDsStoreObjectToLocal (RefDesc->Reference.Class,
-                    RefDesc->Reference.Value, SourceDesc, WalkState);
-        break;
-
-
-    case ACPI_REFCLASS_DEBUG:
-
-        /*
-         * Storing to the Debug object causes the value stored to be
-         * displayed and otherwise has no effect -- see ACPI Specification
-         */
-        ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
-            "**** Write to Debug Object: Object %p %s ****:\n\n",
-            SourceDesc, AcpiUtGetObjectTypeName (SourceDesc)));
-
-        ACPI_DEBUG_OBJECT (SourceDesc, 0, 0);
-        break;
-
-
-    default:
-
-        ACPI_ERROR ((AE_INFO, "Unknown Reference Class 0x%2.2X",
-            RefDesc->Reference.Class));
-        ACPI_DUMP_ENTRY (RefDesc, ACPI_LV_INFO);
-
-        Status = AE_AML_INTERNAL;
-        break;
-    }
-
-    return_ACPI_STATUS (Status);
-}
-
-
-/*******************************************************************************
- *
- * FUNCTION:    AcpiExStoreObjectToIndex
- *
- * PARAMETERS:  *SourceDesc             - Value to be stored
- *              *DestDesc               - Named object to receive the value
- *              WalkState               - Current walk state
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Store the object to indexed Buffer or Package element
- *
- ******************************************************************************/
-
-static ACPI_STATUS
-AcpiExStoreObjectToIndex (
-    ACPI_OPERAND_OBJECT     *SourceDesc,
-    ACPI_OPERAND_OBJECT     *IndexDesc,
-    ACPI_WALK_STATE         *WalkState)
-{
-    ACPI_STATUS             Status = AE_OK;
-    ACPI_OPERAND_OBJECT     *ObjDesc;
-    ACPI_OPERAND_OBJECT     *NewDesc;
-    UINT8                   Value = 0;
-    UINT32                  i;
-
-
-    ACPI_FUNCTION_TRACE (ExStoreObjectToIndex);
-
-
-    /*
-     * Destination must be a reference pointer, and
-     * must point to either a buffer or a package
-     */
-    switch (IndexDesc->Reference.TargetType)
-    {
-    case ACPI_TYPE_PACKAGE:
-        /*
-         * Storing to a package element. Copy the object and replace
-         * any existing object with the new object. No implicit
-         * conversion is performed.
-         *
-         * The object at *(IndexDesc->Reference.Where) is the
-         * element within the package that is to be modified.
-         * The parent package object is at IndexDesc->Reference.Object
-         */
-        ObjDesc = *(IndexDesc->Reference.Where);
-
-        if (SourceDesc->Common.Type == ACPI_TYPE_LOCAL_REFERENCE &&
-            SourceDesc->Reference.Class == ACPI_REFCLASS_TABLE)
-        {
-            /* This is a DDBHandle, just add a reference to it */
-
-            AcpiUtAddReference (SourceDesc);
-            NewDesc = SourceDesc;
-        }
-        else
-        {
-            /* Normal object, copy it */
-
-            Status = AcpiUtCopyIobjectToIobject (SourceDesc, &NewDesc, WalkState);
-            if (ACPI_FAILURE (Status))
-            {
-                return_ACPI_STATUS (Status);
-            }
-        }
-
-        if (ObjDesc)
-        {
-            /* Decrement reference count by the ref count of the parent package */
-
-            for (i = 0;
-                 i < ((ACPI_OPERAND_OBJECT *)
-                        IndexDesc->Reference.Object)->Common.ReferenceCount;
-                 i++)
-            {
-                AcpiUtRemoveReference (ObjDesc);
-            }
-        }
-
-        *(IndexDesc->Reference.Where) = NewDesc;
-
-        /* Increment ref count by the ref count of the parent package-1 */
-
-        for (i = 1;
-             i < ((ACPI_OPERAND_OBJECT *)
-                    IndexDesc->Reference.Object)->Common.ReferenceCount;
-             i++)
-        {
-            AcpiUtAddReference (NewDesc);
-        }
-
-        break;
-
-
-    case ACPI_TYPE_BUFFER_FIELD:
-
-        /*
-         * Store into a Buffer or String (not actually a real BufferField)
-         * at a location defined by an Index.
-         *
-         * The first 8-bit element of the source object is written to the
-         * 8-bit Buffer location defined by the Index destination object,
-         * according to the ACPI 2.0 specification.
-         */
-
-        /*
-         * Make sure the target is a Buffer or String. An error should
-         * not happen here, since the ReferenceObject was constructed
-         * by the INDEX_OP code.
-         */
-        ObjDesc = IndexDesc->Reference.Object;
-        if ((ObjDesc->Common.Type != ACPI_TYPE_BUFFER) &&
-            (ObjDesc->Common.Type != ACPI_TYPE_STRING))
-        {
-            return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
-        }
-
-        /*
-         * The assignment of the individual elements will be slightly
-         * different for each source type.
-         */
-        switch (SourceDesc->Common.Type)
-        {
-        case ACPI_TYPE_INTEGER:
-
-            /* Use the least-significant byte of the integer */
-
-            Value = (UINT8) (SourceDesc->Integer.Value);
-            break;
-
-        case ACPI_TYPE_BUFFER:
-        case ACPI_TYPE_STRING:
-
-            /* Note: Takes advantage of common string/buffer fields */
-
-            Value = SourceDesc->Buffer.Pointer[0];
-            break;
-
-        default:
-
-            /* All other types are invalid */
-
-            ACPI_ERROR ((AE_INFO,
-                "Source must be Integer/Buffer/String type, not %s",
-                AcpiUtGetObjectTypeName (SourceDesc)));
-            return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
-        }
-
-        /* Store the source value into the target buffer byte */
-
-        ObjDesc->Buffer.Pointer[IndexDesc->Reference.Value] = Value;
-        break;
-
-
-    default:
-        ACPI_ERROR ((AE_INFO,
-            "Target is not a Package or BufferField"));
-        Status = AE_AML_OPERAND_TYPE;
-        break;
-    }
-
-    return_ACPI_STATUS (Status);
-}
-
-
-/*******************************************************************************
- *
- * FUNCTION:    AcpiExStoreObjectToNode
- *
- * PARAMETERS:  SourceDesc              - Value to be stored
- *              Node                    - Named object to receive the value
- *              WalkState               - Current walk state
- *              ImplicitConversion      - Perform implicit conversion (yes/no)
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Store the object to the named object.
- *
- *              The Assignment of an object to a named object is handled here
- *              The value passed in will replace the current value (if any)
- *              with the input value.
- *
- *              When storing into an object the data is converted to the
- *              target object type then stored in the object.  This means
- *              that the target object type (for an initialized target) will
- *              not be changed by a store operation.
- *
- *              Assumes parameters are already validated.
- *
- ******************************************************************************/
-
-ACPI_STATUS
-AcpiExStoreObjectToNode (
-    ACPI_OPERAND_OBJECT     *SourceDesc,
-    ACPI_NAMESPACE_NODE     *Node,
-    ACPI_WALK_STATE         *WalkState,
-    UINT8                   ImplicitConversion)
-{
-    ACPI_STATUS             Status = AE_OK;
-    ACPI_OPERAND_OBJECT     *TargetDesc;
-    ACPI_OPERAND_OBJECT     *NewDesc;
-    ACPI_OBJECT_TYPE        TargetType;
-
-
-    ACPI_FUNCTION_TRACE_PTR (ExStoreObjectToNode, SourceDesc);
-
-
-    /* Get current type of the node, and object attached to Node */
-
-    TargetType = AcpiNsGetType (Node);
-    TargetDesc = AcpiNsGetAttachedObject (Node);
-
-    ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Storing %p(%s) into node %p(%s)\n",
-        SourceDesc, AcpiUtGetObjectTypeName (SourceDesc),
-              Node, AcpiUtGetTypeName (TargetType)));
-
-    /*
-     * Resolve the source object to an actual value
-     * (If it is a reference object)
-     */
-    Status = AcpiExResolveObject (&SourceDesc, TargetType, WalkState);
-    if (ACPI_FAILURE (Status))
-    {
-        return_ACPI_STATUS (Status);
-    }
-
-    /* If no implicit conversion, drop into the default case below */
-
-    if ((!ImplicitConversion) ||
-          ((WalkState->Opcode == AML_COPY_OP) &&
-           (TargetType != ACPI_TYPE_LOCAL_REGION_FIELD) &&
-           (TargetType != ACPI_TYPE_LOCAL_BANK_FIELD) &&
-           (TargetType != ACPI_TYPE_LOCAL_INDEX_FIELD)))
-    {
-        /*
-         * Force execution of default (no implicit conversion). Note:
-         * CopyObject does not perform an implicit conversion, as per the ACPI
-         * spec -- except in case of region/bank/index fields -- because these
-         * objects must retain their original type permanently.
-         */
-        TargetType = ACPI_TYPE_ANY;
-    }
-
-    /* Do the actual store operation */
-
-    switch (TargetType)
-    {
-    case ACPI_TYPE_BUFFER_FIELD:
-    case ACPI_TYPE_LOCAL_REGION_FIELD:
-    case ACPI_TYPE_LOCAL_BANK_FIELD:
-    case ACPI_TYPE_LOCAL_INDEX_FIELD:
-
-        /* For fields, copy the source data to the target field. */
-
-        Status = AcpiExWriteDataToField (SourceDesc, TargetDesc,
-                    &WalkState->ResultObj);
-        break;
-
-
-    case ACPI_TYPE_INTEGER:
-    case ACPI_TYPE_STRING:
-    case ACPI_TYPE_BUFFER:
-
-        /*
-         * These target types are all of type Integer/String/Buffer, and
-         * therefore support implicit conversion before the store.
-         *
-         * Copy and/or convert the source object to a new target object
-         */
-        Status = AcpiExStoreObjectToObject (SourceDesc, TargetDesc,
-                    &NewDesc, WalkState);
-        if (ACPI_FAILURE (Status))
-        {
-            return_ACPI_STATUS (Status);
-        }
-
-        if (NewDesc != TargetDesc)
-        {
-            /*
-             * Store the new NewDesc as the new value of the Name, and set
-             * the Name's type to that of the value being stored in it.
-             * SourceDesc reference count is incremented by AttachObject.
-             *
-             * Note: This may change the type of the node if an explicit store
-             * has been performed such that the node/object type has been
-             * changed.
-             */
-            Status = AcpiNsAttachObject (Node, NewDesc, NewDesc->Common.Type);
-
-            ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
-                "Store %s into %s via Convert/Attach\n",
-                AcpiUtGetObjectTypeName (SourceDesc),
-                AcpiUtGetObjectTypeName (NewDesc)));
-        }
-        break;
-
-
-    default:
-
-        ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
-            "Storing %s (%p) directly into node (%p) with no implicit conversion\n",
-            AcpiUtGetObjectTypeName (SourceDesc), SourceDesc, Node));
-
-        /* No conversions for all other types.  Just attach the source object */
-
-        Status = AcpiNsAttachObject (Node, SourceDesc,
-                    SourceDesc->Common.Type);
-        break;
-    }
-
-    return_ACPI_STATUS (Status);
-}
-
-
--- /dev/null	ven. janv. 17 07:30:05 2014
+++ new/usr/src/common/acpica/components/executer/exstore.c	ven. janv. 17 07:30:16 2014
@@ -0,0 +1,584 @@
+/******************************************************************************
+ *
+ * Module Name: exstore - AML Interpreter object store support
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2014, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions, and the following disclaimer,
+ *    without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ *    substantially similar to the "NO WARRANTY" disclaimer below
+ *    ("Disclaimer") and any redistribution must be conditioned upon
+ *    including a substantially similar Disclaimer requirement for further
+ *    binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ *    of any contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#define __EXSTORE_C__
+
+#include "acpi.h"
+#include "accommon.h"
+#include "acdispat.h"
+#include "acinterp.h"
+#include "amlcode.h"
+#include "acnamesp.h"
+
+
+#define _COMPONENT          ACPI_EXECUTER
+        ACPI_MODULE_NAME    ("exstore")
+
+/* Local prototypes */
+
+static ACPI_STATUS
+AcpiExStoreObjectToIndex (
+    ACPI_OPERAND_OBJECT     *ValDesc,
+    ACPI_OPERAND_OBJECT     *DestDesc,
+    ACPI_WALK_STATE         *WalkState);
+
+static ACPI_STATUS
+AcpiExStoreDirectToNode (
+    ACPI_OPERAND_OBJECT     *SourceDesc,
+    ACPI_NAMESPACE_NODE     *Node,
+    ACPI_WALK_STATE         *WalkState);
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiExStore
+ *
+ * PARAMETERS:  *SourceDesc         - Value to be stored
+ *              *DestDesc           - Where to store it. Must be an NS node
+ *                                    or ACPI_OPERAND_OBJECT of type
+ *                                    Reference;
+ *              WalkState           - Current walk state
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Store the value described by SourceDesc into the location
+ *              described by DestDesc. Called by various interpreter
+ *              functions to store the result of an operation into
+ *              the destination operand -- not just simply the actual "Store"
+ *              ASL operator.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiExStore (
+    ACPI_OPERAND_OBJECT     *SourceDesc,
+    ACPI_OPERAND_OBJECT     *DestDesc,
+    ACPI_WALK_STATE         *WalkState)
+{
+    ACPI_STATUS             Status = AE_OK;
+    ACPI_OPERAND_OBJECT     *RefDesc = DestDesc;
+
+
+    ACPI_FUNCTION_TRACE_PTR (ExStore, DestDesc);
+
+
+    /* Validate parameters */
+
+    if (!SourceDesc || !DestDesc)
+    {
+        ACPI_ERROR ((AE_INFO, "Null parameter"));
+        return_ACPI_STATUS (AE_AML_NO_OPERAND);
+    }
+
+    /* DestDesc can be either a namespace node or an ACPI object */
+
+    if (ACPI_GET_DESCRIPTOR_TYPE (DestDesc) == ACPI_DESC_TYPE_NAMED)
+    {
+        /*
+         * Dest is a namespace node,
+         * Storing an object into a Named node.
+         */
+        Status = AcpiExStoreObjectToNode (SourceDesc,
+                    (ACPI_NAMESPACE_NODE *) DestDesc, WalkState,
+                    ACPI_IMPLICIT_CONVERSION);
+
+        return_ACPI_STATUS (Status);
+    }
+
+    /* Destination object must be a Reference or a Constant object */
+
+    switch (DestDesc->Common.Type)
+    {
+    case ACPI_TYPE_LOCAL_REFERENCE:
+
+        break;
+
+    case ACPI_TYPE_INTEGER:
+
+        /* Allow stores to Constants -- a Noop as per ACPI spec */
+
+        if (DestDesc->Common.Flags & AOPOBJ_AML_CONSTANT)
+        {
+            return_ACPI_STATUS (AE_OK);
+        }
+
+        /*lint -fallthrough */
+
+    default:
+
+        /* Destination is not a Reference object */
+
+        ACPI_ERROR ((AE_INFO,
+            "Target is not a Reference or Constant object - %s [%p]",
+            AcpiUtGetObjectTypeName (DestDesc), DestDesc));
+
+        return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
+    }
+
+    /*
+     * Examine the Reference class. These cases are handled:
+     *
+     * 1) Store to Name (Change the object associated with a name)
+     * 2) Store to an indexed area of a Buffer or Package
+     * 3) Store to a Method Local or Arg
+     * 4) Store to the debug object
+     */
+    switch (RefDesc->Reference.Class)
+    {
+    case ACPI_REFCLASS_REFOF:
+
+        /* Storing an object into a Name "container" */
+
+        Status = AcpiExStoreObjectToNode (SourceDesc,
+                    RefDesc->Reference.Object,
+                    WalkState, ACPI_IMPLICIT_CONVERSION);
+        break;
+
+    case ACPI_REFCLASS_INDEX:
+
+        /* Storing to an Index (pointer into a packager or buffer) */
+
+        Status = AcpiExStoreObjectToIndex (SourceDesc, RefDesc, WalkState);
+        break;
+
+    case ACPI_REFCLASS_LOCAL:
+    case ACPI_REFCLASS_ARG:
+
+        /* Store to a method local/arg  */
+
+        Status = AcpiDsStoreObjectToLocal (RefDesc->Reference.Class,
+                    RefDesc->Reference.Value, SourceDesc, WalkState);
+        break;
+
+    case ACPI_REFCLASS_DEBUG:
+        /*
+         * Storing to the Debug object causes the value stored to be
+         * displayed and otherwise has no effect -- see ACPI Specification
+         */
+        ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
+            "**** Write to Debug Object: Object %p %s ****:\n\n",
+            SourceDesc, AcpiUtGetObjectTypeName (SourceDesc)));
+
+        ACPI_DEBUG_OBJECT (SourceDesc, 0, 0);
+        break;
+
+    default:
+
+        ACPI_ERROR ((AE_INFO, "Unknown Reference Class 0x%2.2X",
+            RefDesc->Reference.Class));
+        ACPI_DUMP_ENTRY (RefDesc, ACPI_LV_INFO);
+
+        Status = AE_AML_INTERNAL;
+        break;
+    }
+
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiExStoreObjectToIndex
+ *
+ * PARAMETERS:  *SourceDesc             - Value to be stored
+ *              *DestDesc               - Named object to receive the value
+ *              WalkState               - Current walk state
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Store the object to indexed Buffer or Package element
+ *
+ ******************************************************************************/
+
+static ACPI_STATUS
+AcpiExStoreObjectToIndex (
+    ACPI_OPERAND_OBJECT     *SourceDesc,
+    ACPI_OPERAND_OBJECT     *IndexDesc,
+    ACPI_WALK_STATE         *WalkState)
+{
+    ACPI_STATUS             Status = AE_OK;
+    ACPI_OPERAND_OBJECT     *ObjDesc;
+    ACPI_OPERAND_OBJECT     *NewDesc;
+    UINT8                   Value = 0;
+    UINT32                  i;
+
+
+    ACPI_FUNCTION_TRACE (ExStoreObjectToIndex);
+
+
+    /*
+     * Destination must be a reference pointer, and
+     * must point to either a buffer or a package
+     */
+    switch (IndexDesc->Reference.TargetType)
+    {
+    case ACPI_TYPE_PACKAGE:
+        /*
+         * Storing to a package element. Copy the object and replace
+         * any existing object with the new object. No implicit
+         * conversion is performed.
+         *
+         * The object at *(IndexDesc->Reference.Where) is the
+         * element within the package that is to be modified.
+         * The parent package object is at IndexDesc->Reference.Object
+         */
+        ObjDesc = *(IndexDesc->Reference.Where);
+
+        if (SourceDesc->Common.Type == ACPI_TYPE_LOCAL_REFERENCE &&
+            SourceDesc->Reference.Class == ACPI_REFCLASS_TABLE)
+        {
+            /* This is a DDBHandle, just add a reference to it */
+
+            AcpiUtAddReference (SourceDesc);
+            NewDesc = SourceDesc;
+        }
+        else
+        {
+            /* Normal object, copy it */
+
+            Status = AcpiUtCopyIobjectToIobject (SourceDesc, &NewDesc, WalkState);
+            if (ACPI_FAILURE (Status))
+            {
+                return_ACPI_STATUS (Status);
+            }
+        }
+
+        if (ObjDesc)
+        {
+            /* Decrement reference count by the ref count of the parent package */
+
+            for (i = 0;
+                 i < ((ACPI_OPERAND_OBJECT *)
+                        IndexDesc->Reference.Object)->Common.ReferenceCount;
+                 i++)
+            {
+                AcpiUtRemoveReference (ObjDesc);
+            }
+        }
+
+        *(IndexDesc->Reference.Where) = NewDesc;
+
+        /* Increment ref count by the ref count of the parent package-1 */
+
+        for (i = 1;
+             i < ((ACPI_OPERAND_OBJECT *)
+                    IndexDesc->Reference.Object)->Common.ReferenceCount;
+             i++)
+        {
+            AcpiUtAddReference (NewDesc);
+        }
+
+        break;
+
+    case ACPI_TYPE_BUFFER_FIELD:
+        /*
+         * Store into a Buffer or String (not actually a real BufferField)
+         * at a location defined by an Index.
+         *
+         * The first 8-bit element of the source object is written to the
+         * 8-bit Buffer location defined by the Index destination object,
+         * according to the ACPI 2.0 specification.
+         */
+
+        /*
+         * Make sure the target is a Buffer or String. An error should
+         * not happen here, since the ReferenceObject was constructed
+         * by the INDEX_OP code.
+         */
+        ObjDesc = IndexDesc->Reference.Object;
+        if ((ObjDesc->Common.Type != ACPI_TYPE_BUFFER) &&
+            (ObjDesc->Common.Type != ACPI_TYPE_STRING))
+        {
+            return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
+        }
+
+        /*
+         * The assignment of the individual elements will be slightly
+         * different for each source type.
+         */
+        switch (SourceDesc->Common.Type)
+        {
+        case ACPI_TYPE_INTEGER:
+
+            /* Use the least-significant byte of the integer */
+
+            Value = (UINT8) (SourceDesc->Integer.Value);
+            break;
+
+        case ACPI_TYPE_BUFFER:
+        case ACPI_TYPE_STRING:
+
+            /* Note: Takes advantage of common string/buffer fields */
+
+            Value = SourceDesc->Buffer.Pointer[0];
+            break;
+
+        default:
+
+            /* All other types are invalid */
+
+            ACPI_ERROR ((AE_INFO,
+                "Source must be Integer/Buffer/String type, not %s",
+                AcpiUtGetObjectTypeName (SourceDesc)));
+            return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
+        }
+
+        /* Store the source value into the target buffer byte */
+
+        ObjDesc->Buffer.Pointer[IndexDesc->Reference.Value] = Value;
+        break;
+
+    default:
+        ACPI_ERROR ((AE_INFO,
+            "Target is not a Package or BufferField"));
+        Status = AE_AML_OPERAND_TYPE;
+        break;
+    }
+
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiExStoreObjectToNode
+ *
+ * PARAMETERS:  SourceDesc              - Value to be stored
+ *              Node                    - Named object to receive the value
+ *              WalkState               - Current walk state
+ *              ImplicitConversion      - Perform implicit conversion (yes/no)
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Store the object to the named object.
+ *
+ *              The Assignment of an object to a named object is handled here
+ *              The value passed in will replace the current value (if any)
+ *              with the input value.
+ *
+ *              When storing into an object the data is converted to the
+ *              target object type then stored in the object. This means
+ *              that the target object type (for an initialized target) will
+ *              not be changed by a store operation. A CopyObject can change
+ *              the target type, however.
+ *
+ *              The ImplicitConversion flag is set to NO/FALSE only when
+ *              storing to an ArgX -- as per the rules of the ACPI spec.
+ *
+ *              Assumes parameters are already validated.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiExStoreObjectToNode (
+    ACPI_OPERAND_OBJECT     *SourceDesc,
+    ACPI_NAMESPACE_NODE     *Node,
+    ACPI_WALK_STATE         *WalkState,
+    UINT8                   ImplicitConversion)
+{
+    ACPI_STATUS             Status = AE_OK;
+    ACPI_OPERAND_OBJECT     *TargetDesc;
+    ACPI_OPERAND_OBJECT     *NewDesc;
+    ACPI_OBJECT_TYPE        TargetType;
+
+
+    ACPI_FUNCTION_TRACE_PTR (ExStoreObjectToNode, SourceDesc);
+
+
+    /* Get current type of the node, and object attached to Node */
+
+    TargetType = AcpiNsGetType (Node);
+    TargetDesc = AcpiNsGetAttachedObject (Node);
+
+    ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Storing %p (%s) to node %p (%s)\n",
+        SourceDesc, AcpiUtGetObjectTypeName (SourceDesc),
+              Node, AcpiUtGetTypeName (TargetType)));
+
+    /*
+     * Resolve the source object to an actual value
+     * (If it is a reference object)
+     */
+    Status = AcpiExResolveObject (&SourceDesc, TargetType, WalkState);
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    /* Do the actual store operation */
+
+    switch (TargetType)
+    {
+    case ACPI_TYPE_INTEGER:
+    case ACPI_TYPE_STRING:
+    case ACPI_TYPE_BUFFER:
+        /*
+         * The simple data types all support implicit source operand
+         * conversion before the store.
+         */
+
+        if ((WalkState->Opcode == AML_COPY_OP) ||
+            !ImplicitConversion)
+        {
+            /*
+             * However, CopyObject and Stores to ArgX do not perform
+             * an implicit conversion, as per the ACPI specification.
+             * A direct store is performed instead.
+             */
+            Status = AcpiExStoreDirectToNode (SourceDesc, Node,
+                WalkState);
+            break;
+        }
+
+        /* Store with implicit source operand conversion support */
+
+        Status = AcpiExStoreObjectToObject (SourceDesc, TargetDesc,
+            &NewDesc, WalkState);
+        if (ACPI_FAILURE (Status))
+        {
+            return_ACPI_STATUS (Status);
+        }
+
+        if (NewDesc != TargetDesc)
+        {
+            /*
+             * Store the new NewDesc as the new value of the Name, and set
+             * the Name's type to that of the value being stored in it.
+             * SourceDesc reference count is incremented by AttachObject.
+             *
+             * Note: This may change the type of the node if an explicit
+             * store has been performed such that the node/object type
+             * has been changed.
+             */
+            Status = AcpiNsAttachObject (Node, NewDesc,
+                NewDesc->Common.Type);
+
+            ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
+                "Store %s into %s via Convert/Attach\n",
+                AcpiUtGetObjectTypeName (SourceDesc),
+                AcpiUtGetObjectTypeName (NewDesc)));
+        }
+        break;
+
+    case ACPI_TYPE_BUFFER_FIELD:
+    case ACPI_TYPE_LOCAL_REGION_FIELD:
+    case ACPI_TYPE_LOCAL_BANK_FIELD:
+    case ACPI_TYPE_LOCAL_INDEX_FIELD:
+        /*
+         * For all fields, always write the source data to the target
+         * field. Any required implicit source operand conversion is
+         * performed in the function below as necessary. Note, field
+         * objects must retain their original type permanently.
+         */
+        Status = AcpiExWriteDataToField (SourceDesc, TargetDesc,
+            &WalkState->ResultObj);
+        break;
+
+    default:
+        /*
+         * No conversions for all other types. Directly store a copy of
+         * the source object. This is the ACPI spec-defined behavior for
+         * the CopyObject operator.
+         *
+         * NOTE: For the Store operator, this is a departure from the
+         * ACPI spec, which states "If conversion is impossible, abort
+         * the running control method". Instead, this code implements
+         * "If conversion is impossible, treat the Store operation as
+         * a CopyObject".
+         */
+        Status = AcpiExStoreDirectToNode (SourceDesc, Node,
+            WalkState);
+        break;
+    }
+
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiExStoreDirectToNode
+ *
+ * PARAMETERS:  SourceDesc              - Value to be stored
+ *              Node                    - Named object to receive the value
+ *              WalkState               - Current walk state
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: "Store" an object directly to a node. This involves a copy
+ *              and an attach.
+ *
+ ******************************************************************************/
+
+static ACPI_STATUS
+AcpiExStoreDirectToNode (
+    ACPI_OPERAND_OBJECT     *SourceDesc,
+    ACPI_NAMESPACE_NODE     *Node,
+    ACPI_WALK_STATE         *WalkState)
+{
+    ACPI_STATUS             Status;
+    ACPI_OPERAND_OBJECT     *NewDesc;
+
+
+    ACPI_FUNCTION_TRACE (ExStoreDirectToNode);
+
+
+    ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
+        "Storing [%s] (%p) directly into node [%s] (%p)"
+        " with no implicit conversion\n",
+        AcpiUtGetObjectTypeName (SourceDesc), SourceDesc,
+        AcpiUtGetTypeName (Node->Type), Node));
+
+    /* Copy the source object to a new object */
+
+    Status = AcpiUtCopyIobjectToIobject (SourceDesc, &NewDesc, WalkState);
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    /* Attach the new object to the node */
+
+    Status = AcpiNsAttachObject (Node, NewDesc, NewDesc->Common.Type);
+    AcpiUtRemoveReference (NewDesc);
+    return_ACPI_STATUS (Status);
+}
