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Diffstat (limited to 'sys/contrib/dev/acpica/dsmthdat.c')
-rw-r--r-- | sys/contrib/dev/acpica/dsmthdat.c | 763 |
1 files changed, 763 insertions, 0 deletions
diff --git a/sys/contrib/dev/acpica/dsmthdat.c b/sys/contrib/dev/acpica/dsmthdat.c new file mode 100644 index 0000000..301cadb --- /dev/null +++ b/sys/contrib/dev/acpica/dsmthdat.c @@ -0,0 +1,763 @@ +/******************************************************************************* + * + * Module Name: dsmthdat - control method arguments and local variables + * $Revision: 64 $ + * + ******************************************************************************/ + +/****************************************************************************** + * + * 1. Copyright Notice + * + * Some or all of this work - Copyright (c) 1999 - 2002, 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 __DSMTHDAT_C__ + +#include "acpi.h" +#include "acdispat.h" +#include "amlcode.h" +#include "acnamesp.h" + + +#define _COMPONENT ACPI_DISPATCHER + ACPI_MODULE_NAME ("dsmthdat") + + +/******************************************************************************* + * + * FUNCTION: AcpiDsMethodDataInit + * + * PARAMETERS: WalkState - Current walk state object + * + * RETURN: Status + * + * DESCRIPTION: Initialize the data structures that hold the method's arguments + * and locals. The data struct is an array of NTEs for each. + * This allows RefOf and DeRefOf to work properly for these + * special data types. + * + * NOTES: WalkState fields are initialized to zero by the + * ACPI_MEM_CALLOCATE(). + * + * A pseudo-Namespace Node is assigned to each argument and local + * so that RefOf() can return a pointer to the Node. + * + ******************************************************************************/ + +void +AcpiDsMethodDataInit ( + ACPI_WALK_STATE *WalkState) +{ + UINT32 i; + + + ACPI_FUNCTION_TRACE ("DsMethodDataInit"); + + + /* Init the method arguments */ + + for (i = 0; i < MTH_NUM_ARGS; i++) + { + ACPI_MOVE_UNALIGNED32_TO_32 (&WalkState->Arguments[i].Name, + NAMEOF_ARG_NTE); + WalkState->Arguments[i].Name.Integer |= (i << 24); + WalkState->Arguments[i].Descriptor = ACPI_DESC_TYPE_NAMED; + WalkState->Arguments[i].Type = ACPI_TYPE_ANY; + WalkState->Arguments[i].Flags = ANOBJ_END_OF_PEER_LIST | ANOBJ_METHOD_ARG; + } + + /* Init the method locals */ + + for (i = 0; i < MTH_NUM_LOCALS; i++) + { + ACPI_MOVE_UNALIGNED32_TO_32 (&WalkState->LocalVariables[i].Name, + NAMEOF_LOCAL_NTE); + + WalkState->LocalVariables[i].Name.Integer |= (i << 24); + WalkState->LocalVariables[i].Descriptor = ACPI_DESC_TYPE_NAMED; + WalkState->LocalVariables[i].Type = ACPI_TYPE_ANY; + WalkState->LocalVariables[i].Flags = ANOBJ_END_OF_PEER_LIST | ANOBJ_METHOD_LOCAL; + } + + return_VOID; +} + + +/******************************************************************************* + * + * FUNCTION: AcpiDsMethodDataDeleteAll + * + * PARAMETERS: WalkState - Current walk state object + * + * RETURN: None + * + * DESCRIPTION: Delete method locals and arguments. Arguments are only + * deleted if this method was called from another method. + * + ******************************************************************************/ + +void +AcpiDsMethodDataDeleteAll ( + ACPI_WALK_STATE *WalkState) +{ + UINT32 Index; + + + ACPI_FUNCTION_TRACE ("DsMethodDataDeleteAll"); + + + /* Detach the locals */ + + for (Index = 0; Index < MTH_NUM_LOCALS; Index++) + { + if (WalkState->LocalVariables[Index].Object) + { + ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Deleting Local%d=%p\n", + Index, WalkState->LocalVariables[Index].Object)); + + /* Detach object (if present) and remove a reference */ + + AcpiNsDetachObject (&WalkState->LocalVariables[Index]); + } + } + + /* Detach the arguments */ + + for (Index = 0; Index < MTH_NUM_ARGS; Index++) + { + if (WalkState->Arguments[Index].Object) + { + ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Deleting Arg%d=%p\n", + Index, WalkState->Arguments[Index].Object)); + + /* Detach object (if present) and remove a reference */ + + AcpiNsDetachObject (&WalkState->Arguments[Index]); + } + } + + return_VOID; +} + + +/******************************************************************************* + * + * FUNCTION: AcpiDsMethodDataInitArgs + * + * PARAMETERS: *Params - Pointer to a parameter list for the method + * MaxParamCount - The arg count for this method + * WalkState - Current walk state object + * + * RETURN: Status + * + * DESCRIPTION: Initialize arguments for a method. The parameter list is a list + * of ACPI operand objects, either null terminated or whose length + * is defined by MaxParamCount. + * + ******************************************************************************/ + +ACPI_STATUS +AcpiDsMethodDataInitArgs ( + ACPI_OPERAND_OBJECT **Params, + UINT32 MaxParamCount, + ACPI_WALK_STATE *WalkState) +{ + ACPI_STATUS Status; + UINT32 Index = 0; + + + ACPI_FUNCTION_TRACE_PTR ("DsMethodDataInitArgs", Params); + + + if (!Params) + { + ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "No param list passed to method\n")); + return_ACPI_STATUS (AE_OK); + } + + /* Copy passed parameters into the new method stack frame */ + + while ((Index < MTH_NUM_ARGS) && (Index < MaxParamCount) && Params[Index]) + { + /* + * A valid parameter. + * Store the argument in the method/walk descriptor + */ + Status = AcpiDsStoreObjectToLocal (AML_ARG_OP, Index, Params[Index], + WalkState); + if (ACPI_FAILURE (Status)) + { + return_ACPI_STATUS (Status); + } + + Index++; + } + + ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "%d args passed to method\n", Index)); + return_ACPI_STATUS (AE_OK); +} + + +/******************************************************************************* + * + * FUNCTION: AcpiDsMethodDataGetNode + * + * PARAMETERS: Opcode - Either AML_LOCAL_OP or AML_ARG_OP + * Index - Which localVar or argument whose type + * to get + * WalkState - Current walk state object + * + * RETURN: Get the Node associated with a local or arg. + * + ******************************************************************************/ + +ACPI_STATUS +AcpiDsMethodDataGetNode ( + UINT16 Opcode, + UINT32 Index, + ACPI_WALK_STATE *WalkState, + ACPI_NAMESPACE_NODE **Node) +{ + ACPI_FUNCTION_TRACE ("DsMethodDataGetNode"); + + + /* + * Method Locals and Arguments are supported + */ + switch (Opcode) + { + case AML_LOCAL_OP: + + if (Index > MTH_MAX_LOCAL) + { + ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Local index %d is invalid (max %d)\n", + Index, MTH_MAX_LOCAL)); + return_ACPI_STATUS (AE_AML_INVALID_INDEX); + } + + /* Return a pointer to the pseudo-node */ + + *Node = &WalkState->LocalVariables[Index]; + break; + + case AML_ARG_OP: + + if (Index > MTH_MAX_ARG) + { + ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Arg index %d is invalid (max %d)\n", + Index, MTH_MAX_ARG)); + return_ACPI_STATUS (AE_AML_INVALID_INDEX); + } + + /* Return a pointer to the pseudo-node */ + + *Node = &WalkState->Arguments[Index]; + break; + + default: + ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Opcode %d is invalid\n", Opcode)); + return_ACPI_STATUS (AE_AML_BAD_OPCODE); + } + + return_ACPI_STATUS (AE_OK); +} + + +/******************************************************************************* + * + * FUNCTION: AcpiDsMethodDataSetValue + * + * PARAMETERS: Opcode - Either AML_LOCAL_OP or AML_ARG_OP + * Index - Which localVar or argument to get + * Object - Object to be inserted into the stack entry + * WalkState - Current walk state object + * + * RETURN: Status + * + * DESCRIPTION: Insert an object onto the method stack at entry Opcode:Index. + * + ******************************************************************************/ + +ACPI_STATUS +AcpiDsMethodDataSetValue ( + UINT16 Opcode, + UINT32 Index, + ACPI_OPERAND_OBJECT *Object, + ACPI_WALK_STATE *WalkState) +{ + ACPI_STATUS Status; + ACPI_NAMESPACE_NODE *Node; + + + ACPI_FUNCTION_TRACE ("DsMethodDataSetValue"); + + + /* Get the namespace node for the arg/local */ + + Status = AcpiDsMethodDataGetNode (Opcode, Index, WalkState, &Node); + if (ACPI_FAILURE (Status)) + { + return_ACPI_STATUS (Status); + } + + /* Increment ref count so object can't be deleted while installed */ + + AcpiUtAddReference (Object); + + /* Install the object into the stack entry */ + + Node->Object = Object; + return_ACPI_STATUS (AE_OK); +} + + +/******************************************************************************* + * + * FUNCTION: AcpiDsMethodDataGetType + * + * PARAMETERS: Opcode - Either AML_LOCAL_OP or AML_ARG_OP + * Index - Which localVar or argument whose type + * to get + * WalkState - Current walk state object + * + * RETURN: Data type of current value of the selected Arg or Local + * + ******************************************************************************/ + +ACPI_OBJECT_TYPE +AcpiDsMethodDataGetType ( + UINT16 Opcode, + UINT32 Index, + ACPI_WALK_STATE *WalkState) +{ + ACPI_STATUS Status; + ACPI_NAMESPACE_NODE *Node; + ACPI_OPERAND_OBJECT *Object; + + + ACPI_FUNCTION_TRACE ("DsMethodDataGetType"); + + + /* Get the namespace node for the arg/local */ + + Status = AcpiDsMethodDataGetNode (Opcode, Index, WalkState, &Node); + if (ACPI_FAILURE (Status)) + { + return_VALUE ((ACPI_TYPE_NOT_FOUND)); + } + + /* Get the object */ + + Object = AcpiNsGetAttachedObject (Node); + if (!Object) + { + /* Uninitialized local/arg, return TYPE_ANY */ + + return_VALUE (ACPI_TYPE_ANY); + } + + /* Get the object type */ + + return_VALUE (ACPI_GET_OBJECT_TYPE (Object)); +} + + +/******************************************************************************* + * + * FUNCTION: AcpiDsMethodDataGetValue + * + * PARAMETERS: Opcode - Either AML_LOCAL_OP or AML_ARG_OP + * Index - Which localVar or argument to get + * WalkState - Current walk state object + * *DestDesc - Ptr to Descriptor into which selected Arg + * or Local value should be copied + * + * RETURN: Status + * + * DESCRIPTION: Retrieve value of selected Arg or Local from the method frame + * at the current top of the method stack. + * Used only in AcpiExResolveToValue(). + * + ******************************************************************************/ + +ACPI_STATUS +AcpiDsMethodDataGetValue ( + UINT16 Opcode, + UINT32 Index, + ACPI_WALK_STATE *WalkState, + ACPI_OPERAND_OBJECT **DestDesc) +{ + ACPI_STATUS Status; + ACPI_NAMESPACE_NODE *Node; + ACPI_OPERAND_OBJECT *Object; + + + ACPI_FUNCTION_TRACE ("DsMethodDataGetValue"); + + + /* Validate the object descriptor */ + + if (!DestDesc) + { + ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Null object descriptor pointer\n")); + return_ACPI_STATUS (AE_BAD_PARAMETER); + } + + /* Get the namespace node for the arg/local */ + + Status = AcpiDsMethodDataGetNode (Opcode, Index, WalkState, &Node); + if (ACPI_FAILURE (Status)) + { + return_ACPI_STATUS (Status); + } + + /* Get the object from the node */ + + Object = Node->Object; + + /* Examine the returned object, it must be valid. */ + + if (!Object) + { + /* + * Index points to uninitialized object. + * This means that either 1) The expected argument was + * not passed to the method, or 2) A local variable + * was referenced by the method (via the ASL) + * before it was initialized. Either case is an error. + */ + switch (Opcode) + { + case AML_ARG_OP: + + ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Uninitialized Arg[%d] at node %p\n", + Index, Node)); + + return_ACPI_STATUS (AE_AML_UNINITIALIZED_ARG); + + case AML_LOCAL_OP: + + ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Uninitialized Local[%d] at node %p\n", + Index, Node)); + + return_ACPI_STATUS (AE_AML_UNINITIALIZED_LOCAL); + + default: + return_ACPI_STATUS (AE_AML_INTERNAL); + } + } + + /* + * The Index points to an initialized and valid object. + * Return an additional reference to the object + */ + *DestDesc = Object; + AcpiUtAddReference (Object); + + return_ACPI_STATUS (AE_OK); +} + + +/******************************************************************************* + * + * FUNCTION: AcpiDsMethodDataDeleteValue + * + * PARAMETERS: Opcode - Either AML_LOCAL_OP or AML_ARG_OP + * Index - Which localVar or argument to delete + * WalkState - Current walk state object + * + * RETURN: None + * + * DESCRIPTION: Delete the entry at Opcode:Index on the method stack. Inserts + * a null into the stack slot after the object is deleted. + * + ******************************************************************************/ + +void +AcpiDsMethodDataDeleteValue ( + UINT16 Opcode, + UINT32 Index, + ACPI_WALK_STATE *WalkState) +{ + ACPI_STATUS Status; + ACPI_NAMESPACE_NODE *Node; + ACPI_OPERAND_OBJECT *Object; + + + ACPI_FUNCTION_TRACE ("DsMethodDataDeleteValue"); + + + /* Get the namespace node for the arg/local */ + + Status = AcpiDsMethodDataGetNode (Opcode, Index, WalkState, &Node); + if (ACPI_FAILURE (Status)) + { + return_VOID; + } + + /* Get the associated object */ + + Object = AcpiNsGetAttachedObject (Node); + + /* + * Undefine the Arg or Local by setting its descriptor + * pointer to NULL. Locals/Args can contain both + * ACPI_OPERAND_OBJECTS and ACPI_NAMESPACE_NODEs + */ + Node->Object = NULL; + + if ((Object) && + (ACPI_GET_DESCRIPTOR_TYPE (Object) == ACPI_DESC_TYPE_OPERAND)) + { + /* + * There is a valid object. + * Decrement the reference count by one to balance the + * increment when the object was stored. + */ + AcpiUtRemoveReference (Object); + } + + return_VOID; +} + + +/******************************************************************************* + * + * FUNCTION: AcpiDsStoreObjectToLocal + * + * PARAMETERS: Opcode - Either AML_LOCAL_OP or AML_ARG_OP + * Index - Which localVar or argument to set + * ObjDesc - Value to be stored + * WalkState - Current walk state + * + * RETURN: Status + * + * DESCRIPTION: Store a value in an Arg or Local. The ObjDesc is installed + * as the new value for the Arg or Local and the reference count + * for ObjDesc is incremented. + * + ******************************************************************************/ + +ACPI_STATUS +AcpiDsStoreObjectToLocal ( + UINT16 Opcode, + UINT32 Index, + ACPI_OPERAND_OBJECT *ObjDesc, + ACPI_WALK_STATE *WalkState) +{ + ACPI_STATUS Status; + ACPI_NAMESPACE_NODE *Node; + ACPI_OPERAND_OBJECT *CurrentObjDesc; + + + ACPI_FUNCTION_TRACE ("DsStoreObjectToLocal"); + ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Opcode=%d Idx=%d Obj=%p\n", + Opcode, Index, ObjDesc)); + + + /* Parameter validation */ + + if (!ObjDesc) + { + return_ACPI_STATUS (AE_BAD_PARAMETER); + } + + /* Get the namespace node for the arg/local */ + + Status = AcpiDsMethodDataGetNode (Opcode, Index, WalkState, &Node); + if (ACPI_FAILURE (Status)) + { + return_ACPI_STATUS (Status); + } + + CurrentObjDesc = AcpiNsGetAttachedObject (Node); + if (CurrentObjDesc == ObjDesc) + { + ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Obj=%p already installed!\n", ObjDesc)); + return_ACPI_STATUS (Status); + } + + /* + * If there is an object already in this slot, we either + * have to delete it, or if this is an argument and there + * is an object reference stored there, we have to do + * an indirect store! + */ + if (CurrentObjDesc) + { + /* + * Check for an indirect store if an argument + * contains an object reference (stored as an Node). + * We don't allow this automatic dereferencing for + * locals, since a store to a local should overwrite + * anything there, including an object reference. + * + * If both Arg0 and Local0 contain RefOf (Local4): + * + * Store (1, Arg0) - Causes indirect store to local4 + * Store (1, Local0) - Stores 1 in local0, overwriting + * the reference to local4 + * Store (1, DeRefof (Local0)) - Causes indirect store to local4 + * + * Weird, but true. + */ + if (Opcode == AML_ARG_OP) + { + /* + * Make sure that the object is the correct type. This may be overkill, but + * it is here because references were NS nodes in the past. Now they are + * operand objects of type Reference. + */ + if (ACPI_GET_DESCRIPTOR_TYPE (CurrentObjDesc) != ACPI_DESC_TYPE_OPERAND) + { + ACPI_REPORT_ERROR (("Invalid descriptor type while storing to method arg: %X\n", + CurrentObjDesc->Common.Type)); + return_ACPI_STATUS (AE_AML_INTERNAL); + } + + /* + * If we have a valid reference object that came from RefOf(), do the + * indirect store + */ + if ((CurrentObjDesc->Common.Type == ACPI_TYPE_LOCAL_REFERENCE) && + (CurrentObjDesc->Reference.Opcode == AML_REF_OF_OP)) + { + ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, + "Arg (%p) is an ObjRef(Node), storing in node %p\n", + ObjDesc, CurrentObjDesc)); + + /* Detach an existing object from the referenced Node */ + + AcpiNsDetachObject (CurrentObjDesc->Reference.Object); + + /* + * Store this object into the Node + * (perform the indirect store) + */ + Status = AcpiNsAttachObject (CurrentObjDesc->Reference.Object, + ObjDesc, ACPI_GET_OBJECT_TYPE (ObjDesc)); + return_ACPI_STATUS (Status); + } + } + + /* + * Delete the existing object + * before storing the new one + */ + AcpiDsMethodDataDeleteValue (Opcode, Index, WalkState); + } + + /* + * Install the ObjStack descriptor (*ObjDesc) into + * the descriptor for the Arg or Local. + * Install the new object in the stack entry + * (increments the object reference count by one) + */ + Status = AcpiDsMethodDataSetValue (Opcode, Index, ObjDesc, WalkState); + return_ACPI_STATUS (Status); +} + + |