vendor/acpica/20001115

1 files changed, 0 insertions, 843 deletions

diff --git a/sys/contrib/dev/acpica/dswstate.c b/sys/contrib/dev/acpica/dswstate.c
deleted file mode 100644
index 73d297310e35..000000000000
--- a/sys/contrib/dev/acpica/dswstate.c
+++ /dev/null
@@ -1,843 +0,0 @@
-/******************************************************************************
- *
- * Module Name: dswstate - Dispatcher parse tree walk management routines
- *              $Revision: 34 $
- *
- *****************************************************************************/
-
-/******************************************************************************
- *
- * 1. Copyright Notice
- *
- * Some or all of this work - Copyright (c) 1999, 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 __DSWSTATE_C__
-
-#include "acpi.h"
-#include "amlcode.h"
-#include "acparser.h"
-#include "acdispat.h"
-#include "acnamesp.h"
-#include "acinterp.h"
-
-#define _COMPONENT          DISPATCHER
-        MODULE_NAME         ("dswstate")
-
-
-/*******************************************************************************
- *
- * FUNCTION:    AcpiDsResultStackClear
- *
- * PARAMETERS:  WalkState           - Current Walk state
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Reset this walk's result stack pointers to zero, thus setting
- *              the stack to zero.
- *
- ******************************************************************************/
-
-ACPI_STATUS
-AcpiDsResultStackClear (
-    ACPI_WALK_STATE         *WalkState)
-{
-
-    WalkState->NumResults = 0;
-    WalkState->CurrentResult = 0;
-
-    return (AE_OK);
-}
-
-
-/*******************************************************************************
- *
- * FUNCTION:    AcpiDsResultStackPush
- *
- * PARAMETERS:  Object              - Object to push
- *              WalkState           - Current Walk state
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Push an object onto this walk's result stack
- *
- ******************************************************************************/
-
-ACPI_STATUS
-AcpiDsResultStackPush (
-    void                    *Object,
-    ACPI_WALK_STATE         *WalkState)
-{
-
-
-    if (WalkState->NumResults >= OBJ_NUM_OPERANDS)
-    {
-        DEBUG_PRINT (ACPI_ERROR,
-            ("DsResultStackPush: overflow! Obj=%p State=%p Num=%X\n",
-            Object, WalkState, WalkState->NumResults));
-        return (AE_STACK_OVERFLOW);
-    }
-
-    WalkState->Results [WalkState->NumResults] = Object;
-    WalkState->NumResults++;
-
-    DEBUG_PRINT (TRACE_EXEC,
-        ("DsResultStackPush: Obj=%p State=%p Num=%X Cur=%X\n",
-        Object, WalkState, WalkState->NumResults, WalkState->CurrentResult));
-
-    return (AE_OK);
-}
-
-
-/*******************************************************************************
- *
- * FUNCTION:    AcpiDsResultStackPop
- *
- * PARAMETERS:  Object              - Where to return the popped object
- *              WalkState           - Current Walk state
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Pop an object off the bottom of this walk's result stack.  In
- *              other words, this is a FIFO.
- *
- ******************************************************************************/
-
-ACPI_STATUS
-AcpiDsResultStackPop (
-    ACPI_OPERAND_OBJECT     **Object,
-    ACPI_WALK_STATE         *WalkState)
-{
-
-
-    /* Check for stack underflow */
-
-    if (WalkState->NumResults == 0)
-    {
-        DEBUG_PRINT (TRACE_EXEC,
-            ("DsResultStackPop: Underflow - State=%p Cur=%X Num=%X\n",
-            WalkState, WalkState->CurrentResult, WalkState->NumResults));
-        return (AE_AML_NO_OPERAND);
-    }
-
-
-    /* Pop the stack */
-
-    WalkState->NumResults--;
-
-    /* Check for a valid result object */
-
-    if (!WalkState->Results [WalkState->NumResults])
-    {
-        DEBUG_PRINT (ACPI_ERROR,
-            ("DsResultStackPop: Null operand! State=%p #Ops=%X\n",
-            WalkState, WalkState->NumResults));
-        return (AE_AML_NO_OPERAND);
-    }
-
-    *Object = WalkState->Results [WalkState->NumResults];
-    WalkState->Results [WalkState->NumResults] = NULL;
-
-    DEBUG_PRINT (TRACE_EXEC,
-        ("DsResultStackPop: Obj=%p State=%p Num=%X Cur=%X\n",
-        *Object, WalkState, WalkState->NumResults, WalkState->CurrentResult));
-
-    return (AE_OK);
-}
-
-
-/*******************************************************************************
- *
- * FUNCTION:    AcpiDsObjStackDeleteAll
- *
- * PARAMETERS:  WalkState           - Current Walk state
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Clear the object stack by deleting all objects that are on it.
- *              Should be used with great care, if at all!
- *
- ******************************************************************************/
-
-ACPI_STATUS
-AcpiDsObjStackDeleteAll (
-    ACPI_WALK_STATE         *WalkState)
-{
-    UINT32                  i;
-
-
-    FUNCTION_TRACE_PTR ("DsObjStackDeleteAll", WalkState);
-
-
-    /* The stack size is configurable, but fixed */
-
-    for (i = 0; i < OBJ_NUM_OPERANDS; i++)
-    {
-        if (WalkState->Operands[i])
-        {
-            AcpiCmRemoveReference (WalkState->Operands[i]);
-            WalkState->Operands[i] = NULL;
-        }
-    }
-
-    return_ACPI_STATUS (AE_OK);
-}
-
-
-/*******************************************************************************
- *
- * FUNCTION:    AcpiDsObjStackPush
- *
- * PARAMETERS:  Object              - Object to push
- *              WalkState           - Current Walk state
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Push an object onto this walk's object/operand stack
- *
- ******************************************************************************/
-
-ACPI_STATUS
-AcpiDsObjStackPush (
-    void                    *Object,
-    ACPI_WALK_STATE         *WalkState)
-{
-
-
-    /* Check for stack overflow */
-
-    if (WalkState->NumOperands >= OBJ_NUM_OPERANDS)
-    {
-        DEBUG_PRINT (ACPI_ERROR,
-            ("DsObjStackPush: overflow! Obj=%p State=%p #Ops=%X\n",
-            Object, WalkState, WalkState->NumOperands));
-        return (AE_STACK_OVERFLOW);
-    }
-
-    /* Put the object onto the stack */
-
-    WalkState->Operands [WalkState->NumOperands] = Object;
-    WalkState->NumOperands++;
-
-    DEBUG_PRINT (TRACE_EXEC, ("DsObjStackPush: Obj=%p State=%p #Ops=%X\n",
-                    Object, WalkState, WalkState->NumOperands));
-
-    return (AE_OK);
-}
-
-
-/*******************************************************************************
- *
- * FUNCTION:    AcpiDsObjStackPopObject
- *
- * PARAMETERS:  PopCount            - Number of objects/entries to pop
- *              WalkState           - Current Walk state
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Pop this walk's object stack.  Objects on the stack are NOT
- *              deleted by this routine.
- *
- ******************************************************************************/
-
-ACPI_STATUS
-AcpiDsObjStackPopObject (
-    ACPI_OPERAND_OBJECT     **Object,
-    ACPI_WALK_STATE         *WalkState)
-{
-
-
-    /* Check for stack underflow */
-
-    if (WalkState->NumOperands == 0)
-    {
-        DEBUG_PRINT (ACPI_ERROR,
-            ("DsObjStackPop: Missing operand/stack empty! State=%p #Ops=%X\n",
-            WalkState, WalkState->NumOperands));
-        return (AE_AML_NO_OPERAND);
-    }
-
-
-    /* Pop the stack */
-
-    WalkState->NumOperands--;
-
-    /* Check for a valid operand */
-
-    if (!WalkState->Operands [WalkState->NumOperands])
-    {
-        DEBUG_PRINT (ACPI_ERROR,
-            ("DsObjStackPop: Null operand! State=%p #Ops=%X\n",
-            WalkState, WalkState->NumOperands));
-        return (AE_AML_NO_OPERAND);
-    }
-
-    /* Get operand and set stack entry to null */
-
-    *Object = WalkState->Operands [WalkState->NumOperands];
-    WalkState->Operands [WalkState->NumOperands] = NULL;
-
-    DEBUG_PRINT (TRACE_EXEC, ("DsObjStackPopObject: State=%p #Ops=%X\n",
-                    WalkState, WalkState->NumOperands));
-
-    return (AE_OK);
-}
-
-
-/*******************************************************************************
- *
- * FUNCTION:    AcpiDsObjStackPop
- *
- * PARAMETERS:  PopCount            - Number of objects/entries to pop
- *              WalkState           - Current Walk state
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Pop this walk's object stack.  Objects on the stack are NOT
- *              deleted by this routine.
- *
- ******************************************************************************/
-
-ACPI_STATUS
-AcpiDsObjStackPop (
-    UINT32                  PopCount,
-    ACPI_WALK_STATE         *WalkState)
-{
-    UINT32                  i;
-
-
-    for (i = 0; i < PopCount; i++)
-    {
-        /* Check for stack underflow */
-
-        if (WalkState->NumOperands == 0)
-        {
-            DEBUG_PRINT (ACPI_ERROR,
-                ("DsObjStackPop: Underflow! Count=%X State=%p #Ops=%X\n",
-                PopCount, WalkState, WalkState->NumOperands));
-            return (AE_STACK_UNDERFLOW);
-        }
-
-        /* Just set the stack entry to null */
-
-        WalkState->NumOperands--;
-        WalkState->Operands [WalkState->NumOperands] = NULL;
-    }
-
-    DEBUG_PRINT (TRACE_EXEC, ("DsObjStackPop: Count=%X State=%p #Ops=%X\n",
-                    PopCount, WalkState, WalkState->NumOperands));
-
-    return (AE_OK);
-}
-
-
-/*******************************************************************************
- *
- * FUNCTION:    AcpiDsObjStackPopAndDelete
- *
- * PARAMETERS:  PopCount            - Number of objects/entries to pop
- *              WalkState           - Current Walk state
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Pop this walk's object stack and delete each object that is
- *              popped off.
- *
- ******************************************************************************/
-
-ACPI_STATUS
-AcpiDsObjStackPopAndDelete (
-    UINT32                  PopCount,
-    ACPI_WALK_STATE         *WalkState)
-{
-    UINT32                  i;
-    ACPI_OPERAND_OBJECT     *ObjDesc;
-
-
-    for (i = 0; i < PopCount; i++)
-    {
-        /* Check for stack underflow */
-
-        if (WalkState->NumOperands == 0)
-        {
-            DEBUG_PRINT (ACPI_ERROR,
-                ("DsObjStackPop: Underflow! Count=%X State=%p #Ops=%X\n",
-                PopCount, WalkState, WalkState->NumOperands));
-            return (AE_STACK_UNDERFLOW);
-        }
-
-        /* Pop the stack and delete an object if present in this stack entry */
-
-        WalkState->NumOperands--;
-        ObjDesc = WalkState->Operands [WalkState->NumOperands];
-        if (ObjDesc)
-        {
-            AcpiCmRemoveReference (WalkState->Operands [WalkState->NumOperands]);
-            WalkState->Operands [WalkState->NumOperands] = NULL;
-        }
-    }
-
-    DEBUG_PRINT (TRACE_EXEC, ("DsObjStackPop: Count=%X State=%p #Ops=%X\n",
-                    PopCount, WalkState, WalkState->NumOperands));
-
-    return (AE_OK);
-}
-
-
-/*******************************************************************************
- *
- * FUNCTION:    AcpiDsObjStackGetValue
- *
- * PARAMETERS:  Index               - Stack index whose value is desired.  Based
- *                                    on the top of the stack (index=0 == top)
- *              WalkState           - Current Walk state
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Retrieve an object from this walk's object stack.  Index must
- *              be within the range of the current stack pointer.
- *
- ******************************************************************************/
-
-void *
-AcpiDsObjStackGetValue (
-    UINT32                  Index,
-    ACPI_WALK_STATE         *WalkState)
-{
-
-    FUNCTION_TRACE_PTR ("DsObjStackGetValue", WalkState);
-
-
-    /* Can't do it if the stack is empty */
-
-    if (WalkState->NumOperands == 0)
-    {
-        return_VALUE (NULL);
-    }
-
-    /* or if the index is past the top of the stack */
-
-    if (Index > (WalkState->NumOperands - (UINT32) 1))
-    {
-        return_VALUE (NULL);
-    }
-
-
-    return_PTR (WalkState->Operands[(NATIVE_UINT)(WalkState->NumOperands - 1) -
-                    Index]);
-}
-
-
-/*******************************************************************************
- *
- * FUNCTION:    AcpiDsGetCurrentWalkState
- *
- * PARAMETERS:  WalkList        - Get current active state for this walk list
- *
- * RETURN:      Pointer to the current walk state
- *
- * DESCRIPTION: Get the walk state that is at the head of the list (the "current"
- *              walk state.
- *
- ******************************************************************************/
-
-ACPI_WALK_STATE *
-AcpiDsGetCurrentWalkState (
-    ACPI_WALK_LIST          *WalkList)
-
-{
-
-    DEBUG_PRINT (TRACE_PARSE, ("DsGetCurrentWalkState, =%p\n", WalkList->WalkState));
-
-    if (!WalkList)
-    {
-        return (NULL);
-    }
-
-    return (WalkList->WalkState);
-}
-
-
-/*******************************************************************************
- *
- * FUNCTION:    AcpiDsPushWalkState
- *
- * PARAMETERS:  WalkState       - State to push
- *              WalkList        - The list that owns the walk stack
- *
- * RETURN:      None
- *
- * DESCRIPTION: Place the WalkState at the head of the state list.
- *
- ******************************************************************************/
-
-static void
-AcpiDsPushWalkState (
-    ACPI_WALK_STATE         *WalkState,
-    ACPI_WALK_LIST          *WalkList)
-{
-
-
-    FUNCTION_TRACE ("DsPushWalkState");
-
-
-    WalkState->Next     = WalkList->WalkState;
-    WalkList->WalkState = WalkState;
-
-    return_VOID;
-}
-
-
-/*******************************************************************************
- *
- * FUNCTION:    AcpiDsPopWalkState
- *
- * PARAMETERS:  WalkList        - The list that owns the walk stack
- *
- * RETURN:      A WalkState object popped from the stack
- *
- * DESCRIPTION: Remove and return the walkstate object that is at the head of
- *              the walk stack for the given walk list.  NULL indicates that
- *              the list is empty.
- *
- ******************************************************************************/
-
-ACPI_WALK_STATE *
-AcpiDsPopWalkState (
-    ACPI_WALK_LIST          *WalkList)
-{
-    ACPI_WALK_STATE         *WalkState;
-
-
-    FUNCTION_TRACE ("DsPopWalkState");
-
-
-    WalkState = WalkList->WalkState;
-
-    if (WalkState)
-    {
-        /* Next walk state becomes the current walk state */
-
-        WalkList->WalkState = WalkState->Next;
-
-        /*
-         * Don't clear the NEXT field, this serves as an indicator
-         * that there is a parent WALK STATE
-         *     WalkState->Next = NULL;
-         */
-    }
-
-    return_PTR (WalkState);
-}
-
-
-/*******************************************************************************
- *
- * FUNCTION:    AcpiDsCreateWalkState
- *
- * PARAMETERS:  Origin          - Starting point for this walk
- *              WalkList        - Owning walk list
- *
- * RETURN:      Pointer to the new walk state.
- *
- * DESCRIPTION: Allocate and initialize a new walk state.  The current walk state
- *              is set to this new state.
- *
- ******************************************************************************/
-
-ACPI_WALK_STATE *
-AcpiDsCreateWalkState (
-    ACPI_OWNER_ID           OwnerId,
-    ACPI_PARSE_OBJECT       *Origin,
-    ACPI_OPERAND_OBJECT     *MthDesc,
-    ACPI_WALK_LIST          *WalkList)
-{
-    ACPI_WALK_STATE         *WalkState;
-
-
-    FUNCTION_TRACE ("DsCreateWalkState");
-
-
-    AcpiCmAcquireMutex (ACPI_MTX_CACHES);
-    AcpiGbl_WalkStateCacheRequests++;
-
-    /* Check the cache first */
-
-    if (AcpiGbl_WalkStateCache)
-    {
-        /* There is an object available, use it */
-
-        WalkState = AcpiGbl_WalkStateCache;
-        AcpiGbl_WalkStateCache = WalkState->Next;
-
-        AcpiGbl_WalkStateCacheHits++;
-        AcpiGbl_WalkStateCacheDepth--;
-
-        DEBUG_PRINT (TRACE_EXEC, ("DsCreateWalkState: State %p from cache\n", WalkState));
-
-        AcpiCmReleaseMutex (ACPI_MTX_CACHES);
-   }
-
-    else
-    {
-        /* The cache is empty, create a new object */
-
-        /* Avoid deadlock with AcpiCmCallocate */
-
-        AcpiCmReleaseMutex (ACPI_MTX_CACHES);
-
-        WalkState = AcpiCmCallocate (sizeof (ACPI_WALK_STATE));
-        if (!WalkState)
-        {
-            return_VALUE (NULL);
-        }
-    }
-
-    WalkState->DataType         = ACPI_DESC_TYPE_WALK;
-    WalkState->OwnerId          = OwnerId;
-    WalkState->Origin           = Origin;
-    WalkState->MethodDesc       = MthDesc;
-
-    /* Init the method args/local */
-
-#ifndef _ACPI_ASL_COMPILER
-    AcpiDsMethodDataInit (WalkState);
-#endif
-
-    /* Put the new state at the head of the walk list */
-
-    AcpiDsPushWalkState (WalkState, WalkList);
-
-    return_PTR (WalkState);
-}
-
-
-/*******************************************************************************
- *
- * FUNCTION:    AcpiDsDeleteWalkState
- *
- * PARAMETERS:  WalkState       - State to delete
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Delete a walk state including all internal data structures
- *
- ******************************************************************************/
-
-void
-AcpiDsDeleteWalkState (
-    ACPI_WALK_STATE         *WalkState)
-{
-    ACPI_GENERIC_STATE      *State;
-
-
-    FUNCTION_TRACE_PTR ("DsDeleteWalkState", WalkState);
-
-
-    if (!WalkState)
-    {
-        return;
-    }
-
-    if (WalkState->DataType != ACPI_DESC_TYPE_WALK)
-    {
-        DEBUG_PRINT (ACPI_ERROR,
-            ("DsDeleteWalkState: **** %p not a valid walk state\n", WalkState));
-        return;
-    }
-
-    /* Always must free any linked control states */
-
-    while (WalkState->ControlState)
-    {
-        State = WalkState->ControlState;
-        WalkState->ControlState = State->Common.Next;
-
-        AcpiCmDeleteGenericState (State);
-    }
-
-
-    /* Always must free any linked parse states */
-
-    while (WalkState->ScopeInfo)
-    {
-        State = WalkState->ScopeInfo;
-        WalkState->ScopeInfo = State->Common.Next;
-
-        AcpiCmDeleteGenericState (State);
-    }
-
-    /* If walk cache is full, just free this wallkstate object */
-
-    if (AcpiGbl_WalkStateCacheDepth >= MAX_WALK_CACHE_DEPTH)
-    {
-        AcpiCmFree (WalkState);
-    }
-
-    /* Otherwise put this object back into the cache */
-
-    else
-    {
-        AcpiCmAcquireMutex (ACPI_MTX_CACHES);
-
-        /* Clear the state */
-
-        MEMSET (WalkState, 0, sizeof (ACPI_WALK_STATE));
-        WalkState->DataType = ACPI_DESC_TYPE_WALK;
-
-        /* Put the object at the head of the global cache list */
-
-        WalkState->Next = AcpiGbl_WalkStateCache;
-        AcpiGbl_WalkStateCache = WalkState;
-        AcpiGbl_WalkStateCacheDepth++;
-
-
-        AcpiCmReleaseMutex (ACPI_MTX_CACHES);
-    }
-
-    return_VOID;
-}
-
-
-/******************************************************************************
- *
- * FUNCTION:    AcpiDsDeleteWalkStateCache
- *
- * PARAMETERS:  None
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Purge the global state object cache.  Used during subsystem
- *              termination.
- *
- ******************************************************************************/
-
-void
-AcpiDsDeleteWalkStateCache (
-    void)
-{
-    ACPI_WALK_STATE         *Next;
-
-
-    FUNCTION_TRACE ("DsDeleteWalkStateCache");
-
-
-    /* Traverse the global cache list */
-
-    while (AcpiGbl_WalkStateCache)
-    {
-        /* Delete one cached state object */
-
-        Next = AcpiGbl_WalkStateCache->Next;
-        AcpiCmFree (AcpiGbl_WalkStateCache);
-        AcpiGbl_WalkStateCache = Next;
-        AcpiGbl_WalkStateCacheDepth--;
-    }
-
-    return_VOID;
-}
-
-