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+
+/******************************************************************************
+ *
+ * Module Name: exstore - AML Interpreter object store support
+ * $Revision: 1.203 $
+ *
+ *****************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2007, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights. You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code. No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision. In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change. Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee. Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution. In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government. In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+#define __EXSTORE_C__
+
+#include <contrib/dev/acpica/acpi.h>
+#include <contrib/dev/acpica/acdispat.h>
+#include <contrib/dev/acpica/acinterp.h>
+#include <contrib/dev/acpica/amlcode.h>
+#include <contrib/dev/acpica/acnamesp.h>
+#include <contrib/dev/acpica/acparser.h>
+
+
+#define _COMPONENT ACPI_EXECUTER
+ ACPI_MODULE_NAME ("exstore")
+
+/* Local prototypes */
+
+static void
+AcpiExDoDebugObject (
+ ACPI_OPERAND_OBJECT *SourceDesc,
+ UINT32 Level,
+ UINT32 Index);
+
+static ACPI_STATUS
+AcpiExStoreObjectToIndex (
+ ACPI_OPERAND_OBJECT *ValDesc,
+ ACPI_OPERAND_OBJECT *DestDesc,
+ ACPI_WALK_STATE *WalkState);
+
+
+/*******************************************************************************
+ *
+ * FUNCTION: AcpiExDoDebugObject
+ *
+ * PARAMETERS: SourceDesc - Value to be stored
+ * Level - Indentation level (used for packages)
+ * Index - Current package element, zero if not pkg
+ *
+ * RETURN: None
+ *
+ * DESCRIPTION: Handles stores to the Debug Object.
+ *
+ ******************************************************************************/
+
+static void
+AcpiExDoDebugObject (
+ ACPI_OPERAND_OBJECT *SourceDesc,
+ UINT32 Level,
+ UINT32 Index)
+{
+ UINT32 i;
+
+
+ ACPI_FUNCTION_TRACE_PTR (ExDoDebugObject, SourceDesc);
+
+
+ ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, "[ACPI Debug] %*s",
+ Level, " "));
+
+ /* Display index for package output only */
+
+ if (Index > 0)
+ {
+ ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT,
+ "(%.2u) ", Index -1));
+ }
+
+ if (!SourceDesc)
+ {
+ ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, "<Null Object>\n"));
+ return_VOID;
+ }
+
+ if (ACPI_GET_DESCRIPTOR_TYPE (SourceDesc) == ACPI_DESC_TYPE_OPERAND)
+ {
+ ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, "%s: ",
+ AcpiUtGetObjectTypeName (SourceDesc)));
+
+ if (!AcpiUtValidInternalObject (SourceDesc))
+ {
+ ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT,
+ "%p, Invalid Internal Object!\n", SourceDesc));
+ return_VOID;
+ }
+ }
+ else if (ACPI_GET_DESCRIPTOR_TYPE (SourceDesc) == ACPI_DESC_TYPE_NAMED)
+ {
+ ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, "%s: %p\n",
+ AcpiUtGetTypeName (((ACPI_NAMESPACE_NODE *) SourceDesc)->Type),
+ SourceDesc));
+ return_VOID;
+ }
+ else
+ {
+ return_VOID;
+ }
+
+ switch (ACPI_GET_OBJECT_TYPE (SourceDesc))
+ {
+ case ACPI_TYPE_INTEGER:
+
+ /* Output correct integer width */
+
+ if (AcpiGbl_IntegerByteWidth == 4)
+ {
+ ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, "0x%8.8X\n",
+ (UINT32) SourceDesc->Integer.Value));
+ }
+ else
+ {
+ ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, "0x%8.8X%8.8X\n",
+ ACPI_FORMAT_UINT64 (SourceDesc->Integer.Value)));
+ }
+ break;
+
+ case ACPI_TYPE_BUFFER:
+
+ ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, "[0x%.2X]\n",
+ (UINT32) SourceDesc->Buffer.Length));
+ ACPI_DUMP_BUFFER (SourceDesc->Buffer.Pointer,
+ (SourceDesc->Buffer.Length < 256) ? SourceDesc->Buffer.Length : 256);
+ break;
+
+ case ACPI_TYPE_STRING:
+
+ ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, "[0x%.2X] \"%s\"\n",
+ SourceDesc->String.Length, SourceDesc->String.Pointer));
+ break;
+
+ case ACPI_TYPE_PACKAGE:
+
+ ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, "[0x%.2X Elements]\n",
+ SourceDesc->Package.Count));
+
+ /* Output the entire contents of the package */
+
+ for (i = 0; i < SourceDesc->Package.Count; i++)
+ {
+ AcpiExDoDebugObject (SourceDesc->Package.Elements[i],
+ Level+4, i+1);
+ }
+ break;
+
+ case ACPI_TYPE_LOCAL_REFERENCE:
+
+ if (SourceDesc->Reference.Opcode == AML_INDEX_OP)
+ {
+ ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, "[%s, 0x%X]\n",
+ AcpiPsGetOpcodeName (SourceDesc->Reference.Opcode),
+ SourceDesc->Reference.Offset));
+ }
+ else
+ {
+ ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, "[%s]\n",
+ AcpiPsGetOpcodeName (SourceDesc->Reference.Opcode)));
+ }
+
+
+ if (SourceDesc->Reference.Object)
+ {
+ if (ACPI_GET_DESCRIPTOR_TYPE (SourceDesc->Reference.Object) ==
+ ACPI_DESC_TYPE_NAMED)
+ {
+ AcpiExDoDebugObject (((ACPI_NAMESPACE_NODE *)
+ SourceDesc->Reference.Object)->Object,
+ Level+4, 0);
+ }
+ else
+ {
+ AcpiExDoDebugObject (SourceDesc->Reference.Object, Level+4, 0);
+ }
+ }
+ else if (SourceDesc->Reference.Node)
+ {
+ AcpiExDoDebugObject ((SourceDesc->Reference.Node)->Object,
+ Level+4, 0);
+ }
+ break;
+
+ default:
+
+ ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, "%p %s\n",
+ SourceDesc, AcpiUtGetObjectTypeName (SourceDesc)));
+ break;
+ }
+
+ ACPI_DEBUG_PRINT_RAW ((ACPI_DB_EXEC, "\n"));
+ return_VOID;
+}
+
+
+/*******************************************************************************
+ *
+ * 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 (ACPI_GET_OBJECT_TYPE (DestDesc))
+ {
+ 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));
+
+ ACPI_DUMP_STACK_ENTRY (SourceDesc);
+ ACPI_DUMP_STACK_ENTRY (DestDesc);
+ ACPI_DUMP_OPERANDS (&DestDesc, ACPI_IMODE_EXECUTE, "ExStore",
+ 2, "Target is not a Reference or Constant object");
+
+ return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
+ }
+
+ /*
+ * Examine the Reference opcode. 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.Opcode)
+ {
+ case AML_REF_OF_OP:
+
+ /* Storing an object into a Name "container" */
+
+ Status = AcpiExStoreObjectToNode (SourceDesc,
+ RefDesc->Reference.Object,
+ WalkState, ACPI_IMPLICIT_CONVERSION);
+ break;
+
+
+ case AML_INDEX_OP:
+
+ /* Storing to an Index (pointer into a packager or buffer) */
+
+ Status = AcpiExStoreObjectToIndex (SourceDesc, RefDesc, WalkState);
+ break;
+
+
+ case AML_LOCAL_OP:
+ case AML_ARG_OP:
+
+ /* Store to a method local/arg */
+
+ Status = AcpiDsStoreObjectToLocal (RefDesc->Reference.Opcode,
+ RefDesc->Reference.Offset, SourceDesc, WalkState);
+ break;
+
+
+ case AML_DEBUG_OP:
+
+ /*
+ * 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)));
+
+ AcpiExDoDebugObject (SourceDesc, 0, 0);
+ break;
+
+
+ default:
+
+ ACPI_ERROR ((AE_INFO, "Unknown Reference opcode %X",
+ RefDesc->Reference.Opcode));
+ ACPI_DUMP_ENTRY (RefDesc, ACPI_LV_ERROR);
+
+ 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);
+
+ 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 ((ACPI_GET_OBJECT_TYPE (ObjDesc) != ACPI_TYPE_BUFFER) &&
+ (ACPI_GET_OBJECT_TYPE (ObjDesc) != 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 (ACPI_GET_OBJECT_TYPE (SourceDesc))
+ {
+ 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.Offset] = 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))
+ {
+ /* Force execution of default (no implicit conversion) */
+
+ 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,
+ ACPI_GET_OBJECT_TYPE (SourceDesc));
+ break;
+ }
+
+ return_ACPI_STATUS (Status);
+}
+
+
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