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 /******************************************************************************
  *
  * Module Name: tbinstal - ACPI table installation and removal
  *
  *****************************************************************************/
 
 /******************************************************************************
  *
  * 1. Copyright Notice
  *
  * Some or all of this work - Copyright (c) 1999 - 2009, 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 __TBINSTAL_C__
 
 #include "acpi.h"
 #include "accommon.h"
 #include "acnamesp.h"
 #include "actables.h"
 
 
 #define _COMPONENT          ACPI_TABLES
         ACPI_MODULE_NAME    ("tbinstal")
 
 
 /******************************************************************************
  *
  * FUNCTION:    AcpiTbVerifyTable
  *
  * PARAMETERS:  TableDesc           - table
  *
  * RETURN:      Status
  *
  * DESCRIPTION: this function is called to verify and map table
  *
  *****************************************************************************/
 
 ACPI_STATUS
 AcpiTbVerifyTable (
     ACPI_TABLE_DESC         *TableDesc)
 {
     ACPI_STATUS             Status = AE_OK;
 
 
     ACPI_FUNCTION_TRACE (TbVerifyTable);
 
 
     /* Map the table if necessary */
 
     if (!TableDesc->Pointer)
     {
         if ((TableDesc->Flags & ACPI_TABLE_ORIGIN_MASK) ==
             ACPI_TABLE_ORIGIN_MAPPED)
         {
             TableDesc->Pointer = AcpiOsMapMemory (
                 TableDesc->Address, TableDesc->Length);
         }
 
         if (!TableDesc->Pointer)
         {
             return_ACPI_STATUS (AE_NO_MEMORY);
         }
     }
 
     /* FACS is the odd table, has no standard ACPI header and no checksum */
 
     if (!ACPI_COMPARE_NAME (&TableDesc->Signature, ACPI_SIG_FACS))
     {
         /* Always calculate checksum, ignore bad checksum if requested */
 
         Status = AcpiTbVerifyChecksum (TableDesc->Pointer, TableDesc->Length);
     }
 
     return_ACPI_STATUS (Status);
 }
 
 
 /*******************************************************************************
  *
  * FUNCTION:    AcpiTbAddTable
  *
  * PARAMETERS:  TableDesc           - Table descriptor
  *              TableIndex          - Where the table index is returned
  *
  * RETURN:      Status
  *
  * DESCRIPTION: This function is called to add an ACPI table. It is used to
  *              dynamically load tables via the Load and LoadTable AML
  *              operators.
  *
  ******************************************************************************/
 
 ACPI_STATUS
 AcpiTbAddTable (
     ACPI_TABLE_DESC         *TableDesc,
     UINT32                  *TableIndex)
 {
     UINT32                  i;
     ACPI_STATUS             Status = AE_OK;
     ACPI_TABLE_HEADER       *OverrideTable = NULL;
 
 
     ACPI_FUNCTION_TRACE (TbAddTable);
 
 
     if (!TableDesc->Pointer)
     {
         Status = AcpiTbVerifyTable (TableDesc);
         if (ACPI_FAILURE (Status) || !TableDesc->Pointer)
         {
             return_ACPI_STATUS (Status);
         }
     }
 
     /*
      * Originally, we checked the table signature for "SSDT" or "PSDT" here.
      * Next, we added support for OEMx tables, signature "OEM".
      * Valid tables were encountered with a null signature, so we've just
      * given up on validating the signature, since it seems to be a waste
      * of code. The original code was removed (05/2008).
      */
 
     (void) AcpiUtAcquireMutex (ACPI_MTX_TABLES);
 
     /* Check if table is already registered */
 
     for (i = 0; i < AcpiGbl_RootTableList.Count; ++i)
     {
         if (!AcpiGbl_RootTableList.Tables[i].Pointer)
         {
             Status = AcpiTbVerifyTable (&AcpiGbl_RootTableList.Tables[i]);
             if (ACPI_FAILURE (Status) ||
                 !AcpiGbl_RootTableList.Tables[i].Pointer)
             {
                 continue;
             }
         }
 
         /*
          * Check for a table match on the entire table length,
          * not just the header.
          */
         if (TableDesc->Length != AcpiGbl_RootTableList.Tables[i].Length)
         {
             continue;
         }
 
         if (ACPI_MEMCMP (TableDesc->Pointer,
                 AcpiGbl_RootTableList.Tables[i].Pointer,
                 AcpiGbl_RootTableList.Tables[i].Length))
         {
             continue;
         }
 
         /*
          * Note: the current mechanism does not unregister a table if it is
          * dynamically unloaded. The related namespace entries are deleted,
          * but the table remains in the root table list.
          *
          * The assumption here is that the number of different tables that
          * will be loaded is actually small, and there is minimal overhead
          * in just keeping the table in case it is needed again.
          *
          * If this assumption changes in the future (perhaps on large
          * machines with many table load/unload operations), tables will
          * need to be unregistered when they are unloaded, and slots in the
          * root table list should be reused when empty.
          */
 
         /*
          * Table is already registered.
          * We can delete the table that was passed as a parameter.
          */
         AcpiTbDeleteTable (TableDesc);
         *TableIndex = i;
 
         if (AcpiGbl_RootTableList.Tables[i].Flags & ACPI_TABLE_IS_LOADED)
         {
             /* Table is still loaded, this is an error */
 
             Status = AE_ALREADY_EXISTS;
             goto Release;
         }
         else
         {
             /* Table was unloaded, allow it to be reloaded */
 
             TableDesc->Pointer = AcpiGbl_RootTableList.Tables[i].Pointer;
             TableDesc->Address = AcpiGbl_RootTableList.Tables[i].Address;
             Status = AE_OK;
             goto PrintHeader;
         }
     }
 
     /*
      * ACPI Table Override:
      * Allow the host to override dynamically loaded tables.
      */
     Status = AcpiOsTableOverride (TableDesc->Pointer, &OverrideTable);
     if (ACPI_SUCCESS (Status) && OverrideTable)
     {
         ACPI_INFO ((AE_INFO,
             "%4.4s @ 0x%p Table override, replaced with:",
             TableDesc->Pointer->Signature,
             ACPI_CAST_PTR (void, TableDesc->Address)));
 
         /* We can delete the table that was passed as a parameter */
 
         AcpiTbDeleteTable (TableDesc);
 
         /* Setup descriptor for the new table */
 
         TableDesc->Address = ACPI_PTR_TO_PHYSADDR (OverrideTable);
         TableDesc->Pointer = OverrideTable;
         TableDesc->Length = OverrideTable->Length;
         TableDesc->Flags = ACPI_TABLE_ORIGIN_OVERRIDE;
     }
 
     /* Add the table to the global root table list */
 
     Status = AcpiTbStoreTable (TableDesc->Address, TableDesc->Pointer,
                 TableDesc->Length, TableDesc->Flags, TableIndex);
     if (ACPI_FAILURE (Status))
     {
         goto Release;
     }
 
 PrintHeader:
     AcpiTbPrintTableHeader (TableDesc->Address, TableDesc->Pointer);
 
 Release:
     (void) AcpiUtReleaseMutex (ACPI_MTX_TABLES);
     return_ACPI_STATUS (Status);
 }
 
 
 /*******************************************************************************
  *
  * FUNCTION:    AcpiTbResizeRootTableList
  *
  * PARAMETERS:  None
  *
  * RETURN:      Status
  *
  * DESCRIPTION: Expand the size of global table array
  *
  ******************************************************************************/
 
 ACPI_STATUS
 AcpiTbResizeRootTableList (
     void)
 {
     ACPI_TABLE_DESC         *Tables;
 
 
     ACPI_FUNCTION_TRACE (TbResizeRootTableList);
 
 
     /* AllowResize flag is a parameter to AcpiInitializeTables */
 
     if (!(AcpiGbl_RootTableList.Flags & ACPI_ROOT_ALLOW_RESIZE))
     {
         ACPI_ERROR ((AE_INFO, "Resize of Root Table Array is not allowed"));
         return_ACPI_STATUS (AE_SUPPORT);
     }
 
     /* Increase the Table Array size */
 
     Tables = ACPI_ALLOCATE_ZEROED (
         ((ACPI_SIZE) AcpiGbl_RootTableList.Size +
             ACPI_ROOT_TABLE_SIZE_INCREMENT) *
         sizeof (ACPI_TABLE_DESC));
     if (!Tables)
     {
         ACPI_ERROR ((AE_INFO, "Could not allocate new root table array"));
         return_ACPI_STATUS (AE_NO_MEMORY);
     }
 
     /* Copy and free the previous table array */
 
     if (AcpiGbl_RootTableList.Tables)
     {
         ACPI_MEMCPY (Tables, AcpiGbl_RootTableList.Tables,
             (ACPI_SIZE) AcpiGbl_RootTableList.Size * sizeof (ACPI_TABLE_DESC));
 
         if (AcpiGbl_RootTableList.Flags & ACPI_ROOT_ORIGIN_ALLOCATED)
         {
             ACPI_FREE (AcpiGbl_RootTableList.Tables);
         }
     }
 
     AcpiGbl_RootTableList.Tables = Tables;
     AcpiGbl_RootTableList.Size += ACPI_ROOT_TABLE_SIZE_INCREMENT;
     AcpiGbl_RootTableList.Flags |= (UINT8) ACPI_ROOT_ORIGIN_ALLOCATED;
 
     return_ACPI_STATUS (AE_OK);
 }
 
 
 /*******************************************************************************
  *
  * FUNCTION:    AcpiTbStoreTable
  *
  * PARAMETERS:  Address             - Table address
  *              Table               - Table header
  *              Length              - Table length
  *              Flags               - flags
  *
  * RETURN:      Status and table index.
  *
  * DESCRIPTION: Add an ACPI table to the global table list
  *
  ******************************************************************************/
 
 ACPI_STATUS
 AcpiTbStoreTable (
     ACPI_PHYSICAL_ADDRESS   Address,
     ACPI_TABLE_HEADER       *Table,
     UINT32                  Length,
     UINT8                   Flags,
     UINT32                  *TableIndex)
 {
     ACPI_STATUS             Status = AE_OK;
 
 
     /* Ensure that there is room for the table in the Root Table List */
 
     if (AcpiGbl_RootTableList.Count >= AcpiGbl_RootTableList.Size)
     {
         Status = AcpiTbResizeRootTableList();
         if (ACPI_FAILURE (Status))
         {
             return (Status);
         }
     }
 
     /* Initialize added table */
 
     AcpiGbl_RootTableList.Tables[AcpiGbl_RootTableList.Count].Address = Address;
     AcpiGbl_RootTableList.Tables[AcpiGbl_RootTableList.Count].Pointer = Table;
     AcpiGbl_RootTableList.Tables[AcpiGbl_RootTableList.Count].Length = Length;
     AcpiGbl_RootTableList.Tables[AcpiGbl_RootTableList.Count].OwnerId = 0;
     AcpiGbl_RootTableList.Tables[AcpiGbl_RootTableList.Count].Flags = Flags;
 
     ACPI_MOVE_32_TO_32 (
         &(AcpiGbl_RootTableList.Tables[AcpiGbl_RootTableList.Count].Signature),
         Table->Signature);
 
     *TableIndex = AcpiGbl_RootTableList.Count;
     AcpiGbl_RootTableList.Count++;
     return (Status);
 }
 
 
 /*******************************************************************************
  *
  * FUNCTION:    AcpiTbDeleteTable
  *
  * PARAMETERS:  TableIndex          - Table index
  *
  * RETURN:      None
  *
  * DESCRIPTION: Delete one internal ACPI table
  *
  ******************************************************************************/
 
 void
 AcpiTbDeleteTable (
     ACPI_TABLE_DESC         *TableDesc)
 {
 
     /* Table must be mapped or allocated */
 
     if (!TableDesc->Pointer)
     {
         return;
     }
 
     switch (TableDesc->Flags & ACPI_TABLE_ORIGIN_MASK)
     {
     case ACPI_TABLE_ORIGIN_MAPPED:
         AcpiOsUnmapMemory (TableDesc->Pointer, TableDesc->Length);
         break;
 
     case ACPI_TABLE_ORIGIN_ALLOCATED:
         ACPI_FREE (TableDesc->Pointer);
         break;
 
     default:
         break;
     }
 
     TableDesc->Pointer = NULL;
 }
 
 
 /*******************************************************************************
  *
  * FUNCTION:    AcpiTbTerminate
  *
  * PARAMETERS:  None
  *
  * RETURN:      None
  *
  * DESCRIPTION: Delete all internal ACPI tables
  *
  ******************************************************************************/
 
 void
 AcpiTbTerminate (
     void)
 {
     UINT32                  i;
 
 
     ACPI_FUNCTION_TRACE (TbTerminate);
 
 
     (void) AcpiUtAcquireMutex (ACPI_MTX_TABLES);
 
     /* Delete the individual tables */
 
     for (i = 0; i < AcpiGbl_RootTableList.Count; i++)
     {
         AcpiTbDeleteTable (&AcpiGbl_RootTableList.Tables[i]);
     }
 
     /*
      * Delete the root table array if allocated locally. Array cannot be
      * mapped, so we don't need to check for that flag.
      */
     if (AcpiGbl_RootTableList.Flags & ACPI_ROOT_ORIGIN_ALLOCATED)
     {
         ACPI_FREE (AcpiGbl_RootTableList.Tables);
     }
 
     AcpiGbl_RootTableList.Tables = NULL;
     AcpiGbl_RootTableList.Flags = 0;
     AcpiGbl_RootTableList.Count = 0;
 
     ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "ACPI Tables freed\n"));
     (void) AcpiUtReleaseMutex (ACPI_MTX_TABLES);
 }
 
 
 /*******************************************************************************
  *
  * FUNCTION:    AcpiTbDeleteNamespaceByOwner
  *
  * PARAMETERS:  TableIndex          - Table index
  *
  * RETURN:      Status
  *
  * DESCRIPTION: Delete all namespace objects created when this table was loaded.
  *
  ******************************************************************************/
 
 ACPI_STATUS
 AcpiTbDeleteNamespaceByOwner (
     UINT32                  TableIndex)
 {
     ACPI_OWNER_ID           OwnerId;
     ACPI_STATUS             Status;
 
 
     ACPI_FUNCTION_TRACE (TbDeleteNamespaceByOwner);
 
 
     Status = AcpiUtAcquireMutex (ACPI_MTX_TABLES);
     if (ACPI_FAILURE (Status))
     {
         return_ACPI_STATUS (Status);
     }
 
     if (TableIndex >= AcpiGbl_RootTableList.Count)
     {
         /* The table index does not exist */
 
         (void) AcpiUtReleaseMutex (ACPI_MTX_TABLES);
         return_ACPI_STATUS (AE_NOT_EXIST);
     }
 
     /* Get the owner ID for this table, used to delete namespace nodes */
 
     OwnerId = AcpiGbl_RootTableList.Tables[TableIndex].OwnerId;
     (void) AcpiUtReleaseMutex (ACPI_MTX_TABLES);
 
     /*
      * Need to acquire the namespace writer lock to prevent interference
      * with any concurrent namespace walks. The interpreter must be
      * released during the deletion since the acquisition of the deletion
      * lock may block, and also since the execution of a namespace walk
      * must be allowed to use the interpreter.
      */
     (void) AcpiUtReleaseMutex (ACPI_MTX_INTERPRETER);
     Status = AcpiUtAcquireWriteLock (&AcpiGbl_NamespaceRwLock);
 
     AcpiNsDeleteNamespaceByOwner (OwnerId);
     if (ACPI_FAILURE (Status))
     {
         return_ACPI_STATUS (Status);
     }
 
     AcpiUtReleaseWriteLock (&AcpiGbl_NamespaceRwLock);
 
     Status = AcpiUtAcquireMutex (ACPI_MTX_INTERPRETER);
     return_ACPI_STATUS (Status);
 }
 
 
 /*******************************************************************************
  *
  * FUNCTION:    AcpiTbAllocateOwnerId
  *
  * PARAMETERS:  TableIndex          - Table index
  *
  * RETURN:      Status
  *
  * DESCRIPTION: Allocates OwnerId in TableDesc
  *
  ******************************************************************************/
 
 ACPI_STATUS
 AcpiTbAllocateOwnerId (
     UINT32                  TableIndex)
 {
     ACPI_STATUS             Status = AE_BAD_PARAMETER;
 
 
     ACPI_FUNCTION_TRACE (TbAllocateOwnerId);
 
 
     (void) AcpiUtAcquireMutex (ACPI_MTX_TABLES);
     if (TableIndex < AcpiGbl_RootTableList.Count)
     {
         Status = AcpiUtAllocateOwnerId
                     (&(AcpiGbl_RootTableList.Tables[TableIndex].OwnerId));
     }
 
     (void) AcpiUtReleaseMutex (ACPI_MTX_TABLES);
     return_ACPI_STATUS (Status);
 }
 
 
 /*******************************************************************************
  *
  * FUNCTION:    AcpiTbReleaseOwnerId
  *
  * PARAMETERS:  TableIndex          - Table index
  *
  * RETURN:      Status
  *
  * DESCRIPTION: Releases OwnerId in TableDesc
  *
  ******************************************************************************/
 
 ACPI_STATUS
 AcpiTbReleaseOwnerId (
     UINT32                  TableIndex)
 {
     ACPI_STATUS             Status = AE_BAD_PARAMETER;
 
 
     ACPI_FUNCTION_TRACE (TbReleaseOwnerId);
 
 
     (void) AcpiUtAcquireMutex (ACPI_MTX_TABLES);
     if (TableIndex < AcpiGbl_RootTableList.Count)
     {
         AcpiUtReleaseOwnerId (
             &(AcpiGbl_RootTableList.Tables[TableIndex].OwnerId));
         Status = AE_OK;
     }
 
     (void) AcpiUtReleaseMutex (ACPI_MTX_TABLES);
     return_ACPI_STATUS (Status);
 }
 
 
 /*******************************************************************************
  *
  * FUNCTION:    AcpiTbGetOwnerId
  *
  * PARAMETERS:  TableIndex          - Table index
  *              OwnerId             - Where the table OwnerId is returned
  *
  * RETURN:      Status
  *
  * DESCRIPTION: returns OwnerId for the ACPI table
  *
  ******************************************************************************/
 
 ACPI_STATUS
 AcpiTbGetOwnerId (
     UINT32                  TableIndex,
     ACPI_OWNER_ID           *OwnerId)
 {
     ACPI_STATUS             Status = AE_BAD_PARAMETER;
 
 
     ACPI_FUNCTION_TRACE (TbGetOwnerId);
 
 
     (void) AcpiUtAcquireMutex (ACPI_MTX_TABLES);
     if (TableIndex < AcpiGbl_RootTableList.Count)
     {
         *OwnerId = AcpiGbl_RootTableList.Tables[TableIndex].OwnerId;
         Status = AE_OK;
     }
 
     (void) AcpiUtReleaseMutex (ACPI_MTX_TABLES);
     return_ACPI_STATUS (Status);
 }
 
 
 /*******************************************************************************
  *
  * FUNCTION:    AcpiTbIsTableLoaded
  *
  * PARAMETERS:  TableIndex          - Table index
  *
  * RETURN:      Table Loaded Flag
  *
  ******************************************************************************/
 
 BOOLEAN
 AcpiTbIsTableLoaded (
     UINT32                  TableIndex)
 {
     BOOLEAN                 IsLoaded = FALSE;
 
 
     (void) AcpiUtAcquireMutex (ACPI_MTX_TABLES);
     if (TableIndex < AcpiGbl_RootTableList.Count)
     {
         IsLoaded = (BOOLEAN)
             (AcpiGbl_RootTableList.Tables[TableIndex].Flags &
             ACPI_TABLE_IS_LOADED);
     }
 
     (void) AcpiUtReleaseMutex (ACPI_MTX_TABLES);
     return (IsLoaded);
 }
 
 
 /*******************************************************************************
  *
  * FUNCTION:    AcpiTbSetTableLoadedFlag
  *
  * PARAMETERS:  TableIndex          - Table index
  *              IsLoaded            - TRUE if table is loaded, FALSE otherwise
  *
  * RETURN:      None
  *
  * DESCRIPTION: Sets the table loaded flag to either TRUE or FALSE.
  *
  ******************************************************************************/
 
 void
 AcpiTbSetTableLoadedFlag (
     UINT32                  TableIndex,
     BOOLEAN                 IsLoaded)
 {
 
     (void) AcpiUtAcquireMutex (ACPI_MTX_TABLES);
     if (TableIndex < AcpiGbl_RootTableList.Count)
     {
         if (IsLoaded)
         {
             AcpiGbl_RootTableList.Tables[TableIndex].Flags |=
                 ACPI_TABLE_IS_LOADED;
         }
         else
         {
             AcpiGbl_RootTableList.Tables[TableIndex].Flags &=
                 ~ACPI_TABLE_IS_LOADED;
         }
     }
 
     (void) AcpiUtReleaseMutex (ACPI_MTX_TABLES);
 }