FreeBSD/Linux Kernel Cross Reference
sys/contrib/dev/acpica/components/namespace/nsdump.c

     /******************************************************************************
      *
      * Module Name: nsdump - table dumping routines for debug
      *
      *****************************************************************************/
     
     /******************************************************************************
      *
      * 1. Copyright Notice
     *
     * Some or all of this work - Copyright (c) 1999 - 2022, 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.
    *
    *****************************************************************************
    *
    * Alternatively, you may choose to be licensed under the terms of the
    * following license:
    *
    * Redistribution and use in source and binary forms, with or without
    * modification, are permitted provided that the following conditions
    * are met:
    * 1. Redistributions of source code must retain the above copyright
    *    notice, this list of conditions, and the following disclaimer,
    *    without modification.
    * 2. Redistributions in binary form must reproduce at minimum a disclaimer
    *    substantially similar to the "NO WARRANTY" disclaimer below
    *    ("Disclaimer") and any redistribution must be conditioned upon
    *    including a substantially similar Disclaimer requirement for further
    *    binary redistribution.
    * 3. Neither the names of the above-listed copyright holders nor the names
    *    of any contributors may be used to endorse or promote products derived
    *    from this software without specific prior written permission.
    *
    * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
    * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
    * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
    * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
    * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
    * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
    * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
    * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
    * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
    * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
    * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
    *
    * Alternatively, you may choose to be licensed under the terms of the
    * GNU General Public License ("GPL") version 2 as published by the Free
    * Software Foundation.
    *
    *****************************************************************************/
   
   #include <contrib/dev/acpica/include/acpi.h>
   #include <contrib/dev/acpica/include/accommon.h>
   #include <contrib/dev/acpica/include/acnamesp.h>
   #include <contrib/dev/acpica/include/acoutput.h>
   
   
   #define _COMPONENT          ACPI_NAMESPACE
           ACPI_MODULE_NAME    ("nsdump")
   
   /* Local prototypes */
   
   #ifdef ACPI_OBSOLETE_FUNCTIONS
   void
   AcpiNsDumpRootDevices (
       void);
   
   static ACPI_STATUS
   AcpiNsDumpOneDevice (
       ACPI_HANDLE             ObjHandle,
       UINT32                  Level,
       void                    *Context,
       void                    **ReturnValue);
   #endif
   
   
   #if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER)
   
   static ACPI_STATUS
   AcpiNsDumpOneObjectPath (
       ACPI_HANDLE             ObjHandle,
       UINT32                  Level,
       void                    *Context,
       void                    **ReturnValue);
   
   static ACPI_STATUS
   AcpiNsGetMaxDepth (
       ACPI_HANDLE             ObjHandle,
       UINT32                  Level,
       void                    *Context,
       void                    **ReturnValue);
   
   
   /*******************************************************************************
    *
    * FUNCTION:    AcpiNsPrintPathname
    *
    * PARAMETERS:  NumSegments         - Number of ACPI name segments
    *              Pathname            - The compressed (internal) path
    *
    * RETURN:      None
    *
    * DESCRIPTION: Print an object's full namespace pathname
    *
    ******************************************************************************/
   
   void
   AcpiNsPrintPathname (
       UINT32                  NumSegments,
       const char              *Pathname)
   {
       UINT32                  i;
   
   
       ACPI_FUNCTION_NAME (NsPrintPathname);
   
   
       /* Check if debug output enabled */
   
       if (!ACPI_IS_DEBUG_ENABLED (ACPI_LV_NAMES, ACPI_NAMESPACE))
       {
           return;
       }
   
       /* Print the entire name */
   
       ACPI_DEBUG_PRINT ((ACPI_DB_NAMES, "["));
   
       while (NumSegments)
       {
           for (i = 0; i < 4; i++)
           {
               isprint ((int) Pathname[i]) ?
                   AcpiOsPrintf ("%c", Pathname[i]) :
                   AcpiOsPrintf ("?");
           }
   
           Pathname += ACPI_NAMESEG_SIZE;
           NumSegments--;
           if (NumSegments)
           {
               AcpiOsPrintf (".");
           }
       }
   
       AcpiOsPrintf ("]\n");
   }
   
   
   #ifdef ACPI_OBSOLETE_FUNCTIONS
   /* Not used at this time, perhaps later */
   
   /*******************************************************************************
    *
    * FUNCTION:    AcpiNsDumpPathname
    *
    * PARAMETERS:  Handle              - Object
    *              Msg                 - Prefix message
    *              Level               - Desired debug level
    *              Component           - Caller's component ID
    *
    * RETURN:      None
    *
    * DESCRIPTION: Print an object's full namespace pathname
    *              Manages allocation/freeing of a pathname buffer
    *
    ******************************************************************************/
   
   void
   AcpiNsDumpPathname (
       ACPI_HANDLE             Handle,
       const char              *Msg,
       UINT32                  Level,
       UINT32                  Component)
   {
   
       ACPI_FUNCTION_TRACE (NsDumpPathname);
   
   
       /* Do this only if the requested debug level and component are enabled */
   
       if (!ACPI_IS_DEBUG_ENABLED (Level, Component))
       {
           return_VOID;
       }
   
       /* Convert handle to a full pathname and print it (with supplied message) */
   
       AcpiNsPrintNodePathname (Handle, Msg);
       AcpiOsPrintf ("\n");
       return_VOID;
   }
   #endif
   
   
   /*******************************************************************************
    *
    * FUNCTION:    AcpiNsDumpOneObject
    *
    * PARAMETERS:  ObjHandle           - Node to be dumped
    *              Level               - Nesting level of the handle
    *              Context             - Passed into WalkNamespace
    *              ReturnValue         - Not used
    *
    * RETURN:      Status
    *
    * DESCRIPTION: Dump a single Node
    *              This procedure is a UserFunction called by AcpiNsWalkNamespace.
    *
    ******************************************************************************/
   
   ACPI_STATUS
   AcpiNsDumpOneObject (
       ACPI_HANDLE             ObjHandle,
       UINT32                  Level,
       void                    *Context,
       void                    **ReturnValue)
   {
       ACPI_WALK_INFO          *Info = (ACPI_WALK_INFO *) Context;
       ACPI_NAMESPACE_NODE     *ThisNode;
       ACPI_OPERAND_OBJECT     *ObjDesc = NULL;
       ACPI_OBJECT_TYPE        ObjType;
       ACPI_OBJECT_TYPE        Type;
       UINT32                  BytesToDump;
       UINT32                  DbgLevel;
       UINT32                  i;
   
   
       ACPI_FUNCTION_NAME (NsDumpOneObject);
   
   
       /* Is output enabled? */
   
       if (!(AcpiDbgLevel & Info->DebugLevel))
       {
           return (AE_OK);
       }
   
       if (!ObjHandle)
       {
           ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Null object handle\n"));
           return (AE_OK);
       }
   
       ThisNode = AcpiNsValidateHandle (ObjHandle);
       if (!ThisNode)
       {
           ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Invalid object handle %p\n",
               ObjHandle));
           return (AE_OK);
       }
   
       Type = ThisNode->Type;
       Info->Count++;
   
       /* Check if the owner matches */
   
       if ((Info->OwnerId != ACPI_OWNER_ID_MAX) &&
           (Info->OwnerId != ThisNode->OwnerId))
       {
           return (AE_OK);
       }
   
       if (!(Info->DisplayType & ACPI_DISPLAY_SHORT))
       {
           /* Indent the object according to the level */
   
           AcpiOsPrintf ("%2d%*s", (UINT32) Level - 1, (int) Level * 2, " ");
   
           /* Check the node type and name */
   
           if (Type > ACPI_TYPE_LOCAL_MAX)
           {
               ACPI_WARNING ((AE_INFO,
                   "Invalid ACPI Object Type 0x%08X", Type));
           }
   
           AcpiOsPrintf ("%4.4s", AcpiUtGetNodeName (ThisNode));
       }
   
       /* Now we can print out the pertinent information */
   
       AcpiOsPrintf (" %-12s %p %3.3X ",
           AcpiUtGetTypeName (Type), ThisNode, ThisNode->OwnerId);
   
       DbgLevel = AcpiDbgLevel;
       AcpiDbgLevel = 0;
       ObjDesc = AcpiNsGetAttachedObject (ThisNode);
       AcpiDbgLevel = DbgLevel;
   
       /* Temp nodes are those nodes created by a control method */
   
       if (ThisNode->Flags & ANOBJ_TEMPORARY)
       {
           AcpiOsPrintf ("(T) ");
       }
   
       switch (Info->DisplayType & ACPI_DISPLAY_MASK)
       {
       case ACPI_DISPLAY_SUMMARY:
   
           if (!ObjDesc)
           {
               /* No attached object. Some types should always have an object */
   
               switch (Type)
               {
               case ACPI_TYPE_INTEGER:
               case ACPI_TYPE_PACKAGE:
               case ACPI_TYPE_BUFFER:
               case ACPI_TYPE_STRING:
               case ACPI_TYPE_METHOD:
   
                   AcpiOsPrintf ("<No attached object>");
                   break;
   
               default:
   
                   break;
               }
   
               AcpiOsPrintf ("\n");
               return (AE_OK);
           }
   
           switch (Type)
           {
           case ACPI_TYPE_PROCESSOR:
   
               AcpiOsPrintf ("ID %02X Len %02X Addr %8.8X%8.8X\n",
                   ObjDesc->Processor.ProcId, ObjDesc->Processor.Length,
                   ACPI_FORMAT_UINT64 (ObjDesc->Processor.Address));
               break;
   
           case ACPI_TYPE_DEVICE:
   
               AcpiOsPrintf ("Notify Object: %p\n", ObjDesc);
               break;
   
           case ACPI_TYPE_METHOD:
   
               AcpiOsPrintf ("Args %X Len %.4X Aml %p\n",
                   (UINT32) ObjDesc->Method.ParamCount,
                   ObjDesc->Method.AmlLength, ObjDesc->Method.AmlStart);
               break;
   
           case ACPI_TYPE_INTEGER:
   
               AcpiOsPrintf ("= %8.8X%8.8X\n",
                   ACPI_FORMAT_UINT64 (ObjDesc->Integer.Value));
               break;
   
           case ACPI_TYPE_PACKAGE:
   
               if (ObjDesc->Common.Flags & AOPOBJ_DATA_VALID)
               {
                   AcpiOsPrintf ("Elements %.2X\n",
                       ObjDesc->Package.Count);
               }
               else
               {
                   AcpiOsPrintf ("[Length not yet evaluated]\n");
               }
               break;
   
           case ACPI_TYPE_BUFFER:
   
               if (ObjDesc->Common.Flags & AOPOBJ_DATA_VALID)
               {
                   AcpiOsPrintf ("Len %.2X",
                       ObjDesc->Buffer.Length);
   
                   /* Dump some of the buffer */
   
                   if (ObjDesc->Buffer.Length > 0)
                   {
                       AcpiOsPrintf (" =");
                       for (i = 0; (i < ObjDesc->Buffer.Length && i < 12); i++)
                       {
                           AcpiOsPrintf (" %2.2X", ObjDesc->Buffer.Pointer[i]);
                       }
                   }
                   AcpiOsPrintf ("\n");
               }
               else
               {
                   AcpiOsPrintf ("[Length not yet evaluated]\n");
               }
               break;
   
           case ACPI_TYPE_STRING:
   
               AcpiOsPrintf ("Len %.2X ", ObjDesc->String.Length);
               AcpiUtPrintString (ObjDesc->String.Pointer, 80);
               AcpiOsPrintf ("\n");
               break;
   
           case ACPI_TYPE_REGION:
   
               AcpiOsPrintf ("[%s]",
                   AcpiUtGetRegionName (ObjDesc->Region.SpaceId));
               if (ObjDesc->Region.Flags & AOPOBJ_DATA_VALID)
               {
                   AcpiOsPrintf (" Addr %8.8X%8.8X Len %.4X\n",
                       ACPI_FORMAT_UINT64 (ObjDesc->Region.Address),
                       ObjDesc->Region.Length);
               }
               else
               {
                   AcpiOsPrintf (" [Address/Length not yet evaluated]\n");
               }
               break;
   
           case ACPI_TYPE_LOCAL_REFERENCE:
   
               AcpiOsPrintf ("[%s]\n", AcpiUtGetReferenceName (ObjDesc));
               break;
   
           case ACPI_TYPE_BUFFER_FIELD:
   
               if (ObjDesc->BufferField.BufferObj &&
                   ObjDesc->BufferField.BufferObj->Buffer.Node)
               {
                   AcpiOsPrintf ("Buf [%4.4s]",
                       AcpiUtGetNodeName (
                           ObjDesc->BufferField.BufferObj->Buffer.Node));
               }
               break;
   
           case ACPI_TYPE_LOCAL_REGION_FIELD:
   
               AcpiOsPrintf ("Rgn [%4.4s]",
                   AcpiUtGetNodeName (
                       ObjDesc->CommonField.RegionObj->Region.Node));
               break;
   
           case ACPI_TYPE_LOCAL_BANK_FIELD:
   
               AcpiOsPrintf ("Rgn [%4.4s] Bnk [%4.4s]",
                   AcpiUtGetNodeName (
                       ObjDesc->CommonField.RegionObj->Region.Node),
                   AcpiUtGetNodeName (
                       ObjDesc->BankField.BankObj->CommonField.Node));
               break;
   
           case ACPI_TYPE_LOCAL_INDEX_FIELD:
   
               AcpiOsPrintf ("Idx [%4.4s] Dat [%4.4s]",
                   AcpiUtGetNodeName (
                       ObjDesc->IndexField.IndexObj->CommonField.Node),
                   AcpiUtGetNodeName (
                       ObjDesc->IndexField.DataObj->CommonField.Node));
               break;
   
           case ACPI_TYPE_LOCAL_ALIAS:
           case ACPI_TYPE_LOCAL_METHOD_ALIAS:
   
               AcpiOsPrintf ("Target %4.4s (%p)\n",
                   AcpiUtGetNodeName (ObjDesc), ObjDesc);
               break;
   
           default:
   
               AcpiOsPrintf ("Object %p\n", ObjDesc);
               break;
           }
   
           /* Common field handling */
   
           switch (Type)
           {
           case ACPI_TYPE_BUFFER_FIELD:
           case ACPI_TYPE_LOCAL_REGION_FIELD:
           case ACPI_TYPE_LOCAL_BANK_FIELD:
           case ACPI_TYPE_LOCAL_INDEX_FIELD:
   
               AcpiOsPrintf (" Off %.3X Len %.2X Acc %.2X\n",
                   (ObjDesc->CommonField.BaseByteOffset * 8)
                       + ObjDesc->CommonField.StartFieldBitOffset,
                   ObjDesc->CommonField.BitLength,
                   ObjDesc->CommonField.AccessByteWidth);
               break;
   
           default:
   
               break;
           }
           break;
   
       case ACPI_DISPLAY_OBJECTS:
   
           AcpiOsPrintf ("O:%p", ObjDesc);
           if (!ObjDesc)
           {
               /* No attached object, we are done */
   
               AcpiOsPrintf ("\n");
               return (AE_OK);
           }
   
           AcpiOsPrintf ("(R%u)", ObjDesc->Common.ReferenceCount);
   
           switch (Type)
           {
           case ACPI_TYPE_METHOD:
   
               /* Name is a Method and its AML offset/length are set */
   
               AcpiOsPrintf (" M:%p-%X\n", ObjDesc->Method.AmlStart,
                   ObjDesc->Method.AmlLength);
               break;
   
           case ACPI_TYPE_INTEGER:
   
               AcpiOsPrintf (" I:%8.8X8.8%X\n",
                   ACPI_FORMAT_UINT64 (ObjDesc->Integer.Value));
               break;
   
           case ACPI_TYPE_STRING:
   
               AcpiOsPrintf (" S:%p-%X\n", ObjDesc->String.Pointer,
                   ObjDesc->String.Length);
               break;
   
           case ACPI_TYPE_BUFFER:
   
               AcpiOsPrintf (" B:%p-%X\n", ObjDesc->Buffer.Pointer,
                   ObjDesc->Buffer.Length);
               break;
   
           default:
   
               AcpiOsPrintf ("\n");
               break;
           }
           break;
   
       default:
           AcpiOsPrintf ("\n");
           break;
       }
   
       /* If debug turned off, done */
   
       if (!(AcpiDbgLevel & ACPI_LV_VALUES))
       {
           return (AE_OK);
       }
   
       /* If there is an attached object, display it */
   
       DbgLevel = AcpiDbgLevel;
       AcpiDbgLevel = 0;
       ObjDesc = AcpiNsGetAttachedObject (ThisNode);
       AcpiDbgLevel = DbgLevel;
   
       /* Dump attached objects */
   
       while (ObjDesc)
       {
           ObjType = ACPI_TYPE_INVALID;
           AcpiOsPrintf ("Attached Object %p: ", ObjDesc);
   
           /* Decode the type of attached object and dump the contents */
   
           switch (ACPI_GET_DESCRIPTOR_TYPE (ObjDesc))
           {
           case ACPI_DESC_TYPE_NAMED:
   
               AcpiOsPrintf ("(Ptr to Node)\n");
               BytesToDump = sizeof (ACPI_NAMESPACE_NODE);
               ACPI_DUMP_BUFFER (ObjDesc, BytesToDump);
               break;
   
           case ACPI_DESC_TYPE_OPERAND:
   
               ObjType = ObjDesc->Common.Type;
   
               if (ObjType > ACPI_TYPE_LOCAL_MAX)
               {
                   AcpiOsPrintf (
                       "(Pointer to ACPI Object type %.2X [UNKNOWN])\n",
                       ObjType);
   
                   BytesToDump = 32;
               }
               else
               {
                   AcpiOsPrintf (
                       "(Pointer to ACPI Object type %.2X [%s])\n",
                       ObjType, AcpiUtGetTypeName (ObjType));
   
                   BytesToDump = sizeof (ACPI_OPERAND_OBJECT);
               }
   
               ACPI_DUMP_BUFFER (ObjDesc, BytesToDump);
               break;
   
           default:
   
               break;
           }
   
           /* If value is NOT an internal object, we are done */
   
           if (ACPI_GET_DESCRIPTOR_TYPE (ObjDesc) != ACPI_DESC_TYPE_OPERAND)
           {
               goto Cleanup;
           }
   
           /* Valid object, get the pointer to next level, if any */
   
           switch (ObjType)
           {
           case ACPI_TYPE_BUFFER:
           case ACPI_TYPE_STRING:
               /*
                * NOTE: takes advantage of common fields between string/buffer
                */
               BytesToDump = ObjDesc->String.Length;
               ObjDesc = (void *) ObjDesc->String.Pointer;
   
               AcpiOsPrintf ("(Buffer/String pointer %p length %X)\n",
                   ObjDesc, BytesToDump);
               ACPI_DUMP_BUFFER (ObjDesc, BytesToDump);
               goto Cleanup;
   
           case ACPI_TYPE_BUFFER_FIELD:
   
               ObjDesc = (ACPI_OPERAND_OBJECT *) ObjDesc->BufferField.BufferObj;
               break;
   
           case ACPI_TYPE_PACKAGE:
   
               ObjDesc = (void *) ObjDesc->Package.Elements;
               break;
   
           case ACPI_TYPE_METHOD:
   
               ObjDesc = (void *) ObjDesc->Method.AmlStart;
               break;
   
           case ACPI_TYPE_LOCAL_REGION_FIELD:
   
               ObjDesc = (void *) ObjDesc->Field.RegionObj;
               break;
   
           case ACPI_TYPE_LOCAL_BANK_FIELD:
   
               ObjDesc = (void *) ObjDesc->BankField.RegionObj;
               break;
   
           case ACPI_TYPE_LOCAL_INDEX_FIELD:
   
               ObjDesc = (void *) ObjDesc->IndexField.IndexObj;
               break;
   
           default:
   
               goto Cleanup;
           }
       }
   
   Cleanup:
       AcpiOsPrintf ("\n");
       return (AE_OK);
   }
   
   
   /*******************************************************************************
    *
    * FUNCTION:    AcpiNsDumpObjects
    *
    * PARAMETERS:  Type                - Object type to be dumped
    *              DisplayType         - 0 or ACPI_DISPLAY_SUMMARY
    *              MaxDepth            - Maximum depth of dump. Use ACPI_UINT32_MAX
    *                                    for an effectively unlimited depth.
    *              OwnerId             - Dump only objects owned by this ID. Use
    *                                    ACPI_UINT32_MAX to match all owners.
    *              StartHandle         - Where in namespace to start/end search
    *
    * RETURN:      None
    *
    * DESCRIPTION: Dump typed objects within the loaded namespace. Uses
    *              AcpiNsWalkNamespace in conjunction with AcpiNsDumpOneObject.
    *
    ******************************************************************************/
   
   void
   AcpiNsDumpObjects (
       ACPI_OBJECT_TYPE        Type,
       UINT8                   DisplayType,
       UINT32                  MaxDepth,
       ACPI_OWNER_ID           OwnerId,
       ACPI_HANDLE             StartHandle)
   {
       ACPI_WALK_INFO          Info;
       ACPI_STATUS             Status;
   
   
       ACPI_FUNCTION_ENTRY ();
   
   
       /*
        * Just lock the entire namespace for the duration of the dump.
        * We don't want any changes to the namespace during this time,
        * especially the temporary nodes since we are going to display
        * them also.
        */
       Status = AcpiUtAcquireMutex (ACPI_MTX_NAMESPACE);
       if (ACPI_FAILURE (Status))
       {
           AcpiOsPrintf ("Could not acquire namespace mutex\n");
           return;
       }
   
       Info.Count = 0;
       Info.DebugLevel = ACPI_LV_TABLES;
       Info.OwnerId = OwnerId;
       Info.DisplayType = DisplayType;
   
       (void) AcpiNsWalkNamespace (Type, StartHandle, MaxDepth,
           ACPI_NS_WALK_NO_UNLOCK | ACPI_NS_WALK_TEMP_NODES,
           AcpiNsDumpOneObject, NULL, (void *) &Info, NULL);
   
       AcpiOsPrintf ("\nNamespace node count: %u\n\n", Info.Count);
       (void) AcpiUtReleaseMutex (ACPI_MTX_NAMESPACE);
   }
   
   
   /*******************************************************************************
    *
    * FUNCTION:    AcpiNsDumpOneObjectPath, AcpiNsGetMaxDepth
    *
    * PARAMETERS:  ObjHandle           - Node to be dumped
    *              Level               - Nesting level of the handle
    *              Context             - Passed into WalkNamespace
    *              ReturnValue         - Not used
    *
    * RETURN:      Status
    *
    * DESCRIPTION: Dump the full pathname to a namespace object. AcpNsGetMaxDepth
    *              computes the maximum nesting depth in the namespace tree, in
    *              order to simplify formatting in AcpiNsDumpOneObjectPath.
    *              These procedures are UserFunctions called by AcpiNsWalkNamespace.
    *
    ******************************************************************************/
   
   static ACPI_STATUS
   AcpiNsDumpOneObjectPath (
       ACPI_HANDLE             ObjHandle,
       UINT32                  Level,
       void                    *Context,
       void                    **ReturnValue)
   {
       UINT32                  MaxLevel = *((UINT32 *) Context);
       char                    *Pathname;
       ACPI_NAMESPACE_NODE     *Node;
       int                     PathIndent;
   
   
       if (!ObjHandle)
       {
           return (AE_OK);
       }
   
       Node = AcpiNsValidateHandle (ObjHandle);
       if (!Node)
       {
           /* Ignore bad node during namespace walk */
   
           return (AE_OK);
       }
   
       Pathname = AcpiNsGetNormalizedPathname (Node, TRUE);
   
       PathIndent = 1;
       if (Level <= MaxLevel)
       {
           PathIndent = MaxLevel - Level + 1;
       }
   
       AcpiOsPrintf ("%2d%*s%-12s%*s",
           Level, Level, " ", AcpiUtGetTypeName (Node->Type),
           PathIndent, " ");
   
       AcpiOsPrintf ("%s\n", &Pathname[1]);
       ACPI_FREE (Pathname);
       return (AE_OK);
   }
   
   
   static ACPI_STATUS
   AcpiNsGetMaxDepth (
       ACPI_HANDLE             ObjHandle,
       UINT32                  Level,
       void                    *Context,
       void                    **ReturnValue)
   {
       UINT32                  *MaxLevel = (UINT32 *) Context;
   
   
       if (Level > *MaxLevel)
       {
           *MaxLevel = Level;
       }
       return (AE_OK);
   }
   
   
   /*******************************************************************************
    *
    * FUNCTION:    AcpiNsDumpObjectPaths
    *
    * PARAMETERS:  Type                - Object type to be dumped
    *              DisplayType         - 0 or ACPI_DISPLAY_SUMMARY
    *              MaxDepth            - Maximum depth of dump. Use ACPI_UINT32_MAX
    *                                    for an effectively unlimited depth.
    *              OwnerId             - Dump only objects owned by this ID. Use
    *                                    ACPI_UINT32_MAX to match all owners.
    *              StartHandle         - Where in namespace to start/end search
    *
    * RETURN:      None
    *
    * DESCRIPTION: Dump full object pathnames within the loaded namespace. Uses
    *              AcpiNsWalkNamespace in conjunction with AcpiNsDumpOneObjectPath.
    *
    ******************************************************************************/
   
   void
   AcpiNsDumpObjectPaths (
       ACPI_OBJECT_TYPE        Type,
       UINT8                   DisplayType,
       UINT32                  MaxDepth,
       ACPI_OWNER_ID           OwnerId,
       ACPI_HANDLE             StartHandle)
   {
       ACPI_STATUS             Status;
       UINT32                  MaxLevel = 0;
   
   
       ACPI_FUNCTION_ENTRY ();
   
   
       /*
        * Just lock the entire namespace for the duration of the dump.
        * We don't want any changes to the namespace during this time,
        * especially the temporary nodes since we are going to display
        * them also.
        */
       Status = AcpiUtAcquireMutex (ACPI_MTX_NAMESPACE);
       if (ACPI_FAILURE (Status))
       {
           AcpiOsPrintf ("Could not acquire namespace mutex\n");
           return;
       }
   
       /* Get the max depth of the namespace tree, for formatting later */
   
       (void) AcpiNsWalkNamespace (Type, StartHandle, MaxDepth,
           ACPI_NS_WALK_NO_UNLOCK | ACPI_NS_WALK_TEMP_NODES,
           AcpiNsGetMaxDepth, NULL, (void *) &MaxLevel, NULL);
   
       /* Now dump the entire namespace */
   
       (void) AcpiNsWalkNamespace (Type, StartHandle, MaxDepth,
           ACPI_NS_WALK_NO_UNLOCK | ACPI_NS_WALK_TEMP_NODES,
           AcpiNsDumpOneObjectPath, NULL, (void *) &MaxLevel, NULL);
   
       (void) AcpiUtReleaseMutex (ACPI_MTX_NAMESPACE);
   }
   
   
   /*******************************************************************************
    *
    * FUNCTION:    AcpiNsDumpEntry
    *
    * PARAMETERS:  Handle              - Node to be dumped
    *              DebugLevel          - Output level
    *
    * RETURN:      None
    *
    * DESCRIPTION: Dump a single Node
    *
    ******************************************************************************/
   
   void
   AcpiNsDumpEntry (
       ACPI_HANDLE             Handle,
       UINT32                  DebugLevel)
   {
       ACPI_WALK_INFO          Info;
   
   
       ACPI_FUNCTION_ENTRY ();
   
   
       Info.DebugLevel = DebugLevel;
      Info.OwnerId = ACPI_OWNER_ID_MAX;
      Info.DisplayType = ACPI_DISPLAY_SUMMARY;
  
      (void) AcpiNsDumpOneObject (Handle, 1, &Info, NULL);
  }
  
  
  #ifdef ACPI_ASL_COMPILER
  /*******************************************************************************
   *
   * FUNCTION:    AcpiNsDumpTables
   *
   * PARAMETERS:  SearchBase          - Root of subtree to be dumped, or
   *                                    NS_ALL to dump the entire namespace
   *              MaxDepth            - Maximum depth of dump. Use INT_MAX
   *                                    for an effectively unlimited depth.
   *
   * RETURN:      None
   *
   * DESCRIPTION: Dump the name space, or a portion of it.
   *
   ******************************************************************************/
  
  void
  AcpiNsDumpTables (
      ACPI_HANDLE             SearchBase,
      UINT32                  MaxDepth)
  {
      ACPI_HANDLE             SearchHandle = SearchBase;
  
  
      ACPI_FUNCTION_TRACE (NsDumpTables);
  
  
      if (!AcpiGbl_RootNode)
      {
          /*
           * If the name space has not been initialized,
           * there is nothing to dump.
           */
          ACPI_DEBUG_PRINT ((ACPI_DB_TABLES,
              "namespace not initialized!\n"));
          return_VOID;
      }
  
      if (ACPI_NS_ALL == SearchBase)
      {
          /* Entire namespace */
  
          SearchHandle = AcpiGbl_RootNode;
          ACPI_DEBUG_PRINT ((ACPI_DB_TABLES, "\\\n"));
      }
  
      AcpiNsDumpObjects (ACPI_TYPE_ANY, ACPI_DISPLAY_OBJECTS, MaxDepth,
          ACPI_OWNER_ID_MAX, SearchHandle);
      return_VOID;
  }
  #endif
  #endif

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