text: /******************************************************************************
   *
   * Module Name: dsobject - Dispatcher object management routines
   *
   *****************************************************************************/
  
  /******************************************************************************
   *
   * 1. Copyright Notice
   *
   * Some or all of this work - Copyright (c) 1999 - 2019, 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 "acpi.h"
  #include "accommon.h"
  #include "acparser.h"
  #include "amlcode.h"
  #include "acdispat.h"
  #include "acnamesp.h"
  #include "acinterp.h"
  
  #define _COMPONENT          ACPI_DISPATCHER
          ACPI_MODULE_NAME    ("dsobject")
  
  
  /*******************************************************************************
   *
   * FUNCTION:    AcpiDsBuildInternalObject
   *
   * PARAMETERS:  WalkState       - Current walk state
   *              Op              - Parser object to be translated
   *              ObjDescPtr      - Where the ACPI internal object is returned
   *
   * RETURN:      Status
   *
   * DESCRIPTION: Translate a parser Op object to the equivalent namespace object
   *              Simple objects are any objects other than a package object!
   *
   ******************************************************************************/
  
  ACPI_STATUS
  AcpiDsBuildInternalObject (
      ACPI_WALK_STATE         *WalkState,
      ACPI_PARSE_OBJECT       *Op,
      ACPI_OPERAND_OBJECT     **ObjDescPtr)
  {
      ACPI_OPERAND_OBJECT     *ObjDesc;
      ACPI_STATUS             Status;
  
  
      ACPI_FUNCTION_TRACE (DsBuildInternalObject);
  
  
      *ObjDescPtr = NULL;
      if (Op->Common.AmlOpcode == AML_INT_NAMEPATH_OP)
      {
          /*
           * This is a named object reference. If this name was
           * previously looked up in the namespace, it was stored in
           * this op. Otherwise, go ahead and look it up now
           */
          if (!Op->Common.Node)
          {
              /* Check if we are resolving a named reference within a package */
  
              if ((Op->Common.Parent->Common.AmlOpcode == AML_PACKAGE_OP) ||
                  (Op->Common.Parent->Common.AmlOpcode == AML_VARIABLE_PACKAGE_OP))
              {
                  /*
                   * We won't resolve package elements here, we will do this
                   * after all ACPI tables are loaded into the namespace. This
                   * behavior supports both forward references to named objects
                   * and external references to objects in other tables.
                   */
                  goto CreateNewObject;
              }
              else
              {
                  Status = AcpiNsLookup (WalkState->ScopeInfo,
                      Op->Common.Value.String,
                      ACPI_TYPE_ANY, ACPI_IMODE_EXECUTE,
                      ACPI_NS_SEARCH_PARENT | ACPI_NS_DONT_OPEN_SCOPE, NULL,
                      ACPI_CAST_INDIRECT_PTR (
                          ACPI_NAMESPACE_NODE, &(Op->Common.Node)));
                  if (ACPI_FAILURE (Status))
                  {
                      ACPI_ERROR_NAMESPACE (WalkState->ScopeInfo,
                          Op->Common.Value.String, Status);
                      return_ACPI_STATUS (Status);
                  }
              }
          }
      }
  
  CreateNewObject:
  
      /* Create and init a new internal ACPI object */
  
      ObjDesc = AcpiUtCreateInternalObject (
          (AcpiPsGetOpcodeInfo (Op->Common.AmlOpcode))->ObjectType);
      if (!ObjDesc)
      {
          return_ACPI_STATUS (AE_NO_MEMORY);
      }
  
      Status = AcpiDsInitObjectFromOp (
          WalkState, Op, Op->Common.AmlOpcode, &ObjDesc);
      if (ACPI_FAILURE (Status))
      {
          AcpiUtRemoveReference (ObjDesc);
          return_ACPI_STATUS (Status);
      }
  
      /*
       * Handling for unresolved package reference elements.
       * These are elements that are namepaths.
       */
      if ((Op->Common.Parent->Common.AmlOpcode == AML_PACKAGE_OP) ||
          (Op->Common.Parent->Common.AmlOpcode == AML_VARIABLE_PACKAGE_OP))
      {
          ObjDesc->Reference.Resolved = TRUE;
  
          if ((Op->Common.AmlOpcode == AML_INT_NAMEPATH_OP) &&
              !ObjDesc->Reference.Node)
          {
              /*
               * Name was unresolved above.
               * Get the prefix node for later lookup
               */
              ObjDesc->Reference.Node = WalkState->ScopeInfo->Scope.Node;
              ObjDesc->Reference.Aml = Op->Common.Aml;
              ObjDesc->Reference.Resolved = FALSE;
          }
      }
  
      *ObjDescPtr = ObjDesc;
      return_ACPI_STATUS (Status);
  }
  
  
  /*******************************************************************************
   *
   * FUNCTION:    AcpiDsBuildInternalBufferObj
   *
   * PARAMETERS:  WalkState       - Current walk state
   *              Op              - Parser object to be translated
   *              BufferLength    - Length of the buffer
   *              ObjDescPtr      - Where the ACPI internal object is returned
   *
   * RETURN:      Status
   *
   * DESCRIPTION: Translate a parser Op package object to the equivalent
   *              namespace object
   *
   ******************************************************************************/
  
  ACPI_STATUS
  AcpiDsBuildInternalBufferObj (
      ACPI_WALK_STATE         *WalkState,
      ACPI_PARSE_OBJECT       *Op,
      UINT32                  BufferLength,
      ACPI_OPERAND_OBJECT     **ObjDescPtr)
  {
      ACPI_PARSE_OBJECT       *Arg;
      ACPI_OPERAND_OBJECT     *ObjDesc;
      ACPI_PARSE_OBJECT       *ByteList;
      UINT32                  ByteListLength = 0;
  
  
      ACPI_FUNCTION_TRACE (DsBuildInternalBufferObj);
  
  
      /*
       * If we are evaluating a Named buffer object "Name (xxxx, Buffer)".
       * The buffer object already exists (from the NS node), otherwise it must
       * be created.
       */
      ObjDesc = *ObjDescPtr;
      if (!ObjDesc)
      {
          /* Create a new buffer object */
  
          ObjDesc = AcpiUtCreateInternalObject (ACPI_TYPE_BUFFER);
          *ObjDescPtr = ObjDesc;
          if (!ObjDesc)
          {
              return_ACPI_STATUS (AE_NO_MEMORY);
          }
      }
  
      /*
       * Second arg is the buffer data (optional) ByteList can be either
       * individual bytes or a string initializer. In either case, a
       * ByteList appears in the AML.
       */
      Arg = Op->Common.Value.Arg;         /* skip first arg */
  
      ByteList = Arg->Named.Next;
      if (ByteList)
      {
          if (ByteList->Common.AmlOpcode != AML_INT_BYTELIST_OP)
          {
              ACPI_ERROR ((AE_INFO,
                  "Expecting bytelist, found AML opcode 0x%X in op %p",
                  ByteList->Common.AmlOpcode, ByteList));
  
              AcpiUtRemoveReference (ObjDesc);
              return (AE_TYPE);
          }
  
          ByteListLength = (UINT32) ByteList->Common.Value.Integer;
      }
  
      /*
       * The buffer length (number of bytes) will be the larger of:
       * 1) The specified buffer length and
       * 2) The length of the initializer byte list
       */
      ObjDesc->Buffer.Length = BufferLength;
      if (ByteListLength > BufferLength)
      {
          ObjDesc->Buffer.Length = ByteListLength;
      }
  
      /* Allocate the buffer */
  
      if (ObjDesc->Buffer.Length == 0)
      {
          ObjDesc->Buffer.Pointer = NULL;
          ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
              "Buffer defined with zero length in AML, creating\n"));
      }
      else
      {
          ObjDesc->Buffer.Pointer =
              ACPI_ALLOCATE_ZEROED (ObjDesc->Buffer.Length);
          if (!ObjDesc->Buffer.Pointer)
          {
              AcpiUtDeleteObjectDesc (ObjDesc);
              return_ACPI_STATUS (AE_NO_MEMORY);
          }
  
          /* Initialize buffer from the ByteList (if present) */
  
          if (ByteList)
          {
              memcpy (ObjDesc->Buffer.Pointer, ByteList->Named.Data,
                  ByteListLength);
          }
      }
  
      ObjDesc->Buffer.Flags |= AOPOBJ_DATA_VALID;
      Op->Common.Node = ACPI_CAST_PTR (ACPI_NAMESPACE_NODE, ObjDesc);
      return_ACPI_STATUS (AE_OK);
  }
  
  /*******************************************************************************
   *
   * FUNCTION:    AcpiDsCreateNode
   *
   * PARAMETERS:  WalkState       - Current walk state
   *              Node            - NS Node to be initialized
   *              Op              - Parser object to be translated
   *
   * RETURN:      Status
   *
   * DESCRIPTION: Create the object to be associated with a namespace node
   *
   ******************************************************************************/
  
  ACPI_STATUS
  AcpiDsCreateNode (
      ACPI_WALK_STATE         *WalkState,
      ACPI_NAMESPACE_NODE     *Node,
      ACPI_PARSE_OBJECT       *Op)
  {
      ACPI_STATUS             Status;
      ACPI_OPERAND_OBJECT     *ObjDesc;
  
  
      ACPI_FUNCTION_TRACE_PTR (DsCreateNode, Op);
  
  
      /*
       * Because of the execution pass through the non-control-method
       * parts of the table, we can arrive here twice. Only init
       * the named object node the first time through
       */
      if (AcpiNsGetAttachedObject (Node))
      {
          return_ACPI_STATUS (AE_OK);
      }
  
      if (!Op->Common.Value.Arg)
      {
          /* No arguments, there is nothing to do */
  
          return_ACPI_STATUS (AE_OK);
      }
  
      /* Build an internal object for the argument(s) */
  
      Status = AcpiDsBuildInternalObject (
          WalkState, Op->Common.Value.Arg, &ObjDesc);
      if (ACPI_FAILURE (Status))
      {
          return_ACPI_STATUS (Status);
      }
  
      /* Re-type the object according to its argument */
  
      Node->Type = ObjDesc->Common.Type;
  
      /* Attach obj to node */
  
      Status = AcpiNsAttachObject (Node, ObjDesc, Node->Type);
  
      /* Remove local reference to the object */
  
      AcpiUtRemoveReference (ObjDesc);
      return_ACPI_STATUS (Status);
  }
  
  
  /*******************************************************************************
   *
   * FUNCTION:    AcpiDsInitObjectFromOp
   *
   * PARAMETERS:  WalkState       - Current walk state
   *              Op              - Parser op used to init the internal object
   *              Opcode          - AML opcode associated with the object
   *              RetObjDesc      - Namespace object to be initialized
   *
   * RETURN:      Status
   *
   * DESCRIPTION: Initialize a namespace object from a parser Op and its
   *              associated arguments. The namespace object is a more compact
   *              representation of the Op and its arguments.
   *
   ******************************************************************************/
  
  ACPI_STATUS
  AcpiDsInitObjectFromOp (
      ACPI_WALK_STATE         *WalkState,
      ACPI_PARSE_OBJECT       *Op,
      UINT16                  Opcode,
      ACPI_OPERAND_OBJECT     **RetObjDesc)
  {
      const ACPI_OPCODE_INFO  *OpInfo;
      ACPI_OPERAND_OBJECT     *ObjDesc;
      ACPI_STATUS             Status = AE_OK;
  
  
      ACPI_FUNCTION_TRACE (DsInitObjectFromOp);
  
  
      ObjDesc = *RetObjDesc;
      OpInfo = AcpiPsGetOpcodeInfo (Opcode);
      if (OpInfo->Class == AML_CLASS_UNKNOWN)
      {
          /* Unknown opcode */
  
          return_ACPI_STATUS (AE_TYPE);
      }
  
      /* Perform per-object initialization */
  
      switch (ObjDesc->Common.Type)
      {
      case ACPI_TYPE_BUFFER:
          /*
           * Defer evaluation of Buffer TermArg operand
           */
          ObjDesc->Buffer.Node = ACPI_CAST_PTR (
              ACPI_NAMESPACE_NODE, WalkState->Operands[0]);
          ObjDesc->Buffer.AmlStart = Op->Named.Data;
          ObjDesc->Buffer.AmlLength = Op->Named.Length;
          break;
  
      case ACPI_TYPE_PACKAGE:
          /*
           * Defer evaluation of Package TermArg operand and all
           * package elements. (01/2017): We defer the element
           * resolution to allow forward references from the package
           * in order to provide compatibility with other ACPI
           * implementations.
           */
          ObjDesc->Package.Node = ACPI_CAST_PTR (
              ACPI_NAMESPACE_NODE, WalkState->Operands[0]);
  
          if (!Op->Named.Data)
          {
              return_ACPI_STATUS (AE_OK);
          }
  
          ObjDesc->Package.AmlStart = Op->Named.Data;
          ObjDesc->Package.AmlLength = Op->Named.Length;
          break;
  
      case ACPI_TYPE_INTEGER:
  
          switch (OpInfo->Type)
          {
          case AML_TYPE_CONSTANT:
              /*
               * Resolve AML Constants here - AND ONLY HERE!
               * All constants are integers.
               * We mark the integer with a flag that indicates that it started
               * life as a constant -- so that stores to constants will perform
               * as expected (noop). ZeroOp is used as a placeholder for optional
               * target operands.
               */
              ObjDesc->Common.Flags = AOPOBJ_AML_CONSTANT;
  
              switch (Opcode)
              {
              case AML_ZERO_OP:
  
                  ObjDesc->Integer.Value = 0;
                  break;
  
              case AML_ONE_OP:
  
                  ObjDesc->Integer.Value = 1;
                  break;
  
              case AML_ONES_OP:
  
                  ObjDesc->Integer.Value = ACPI_UINT64_MAX;
  
                  /* Truncate value if we are executing from a 32-bit ACPI table */
  
                  (void) AcpiExTruncateFor32bitTable (ObjDesc);
                  break;
  
              case AML_REVISION_OP:
  
                  ObjDesc->Integer.Value = ACPI_CA_VERSION;
                  break;
  
              default:
  
                  ACPI_ERROR ((AE_INFO,
                      "Unknown constant opcode 0x%X", Opcode));
                  Status = AE_AML_OPERAND_TYPE;
                  break;
              }
              break;
  
          case AML_TYPE_LITERAL:
  
              ObjDesc->Integer.Value = Op->Common.Value.Integer;
  
              if (AcpiExTruncateFor32bitTable (ObjDesc))
              {
                  /* Warn if we found a 64-bit constant in a 32-bit table */
  
                  ACPI_WARNING ((AE_INFO,
                      "Truncated 64-bit constant found in 32-bit table: %8.8X%8.8X => %8.8X",
                      ACPI_FORMAT_UINT64 (Op->Common.Value.Integer),
                      (UINT32) ObjDesc->Integer.Value));
              }
              break;
  
          default:
  
              ACPI_ERROR ((AE_INFO, "Unknown Integer type 0x%X",
                  OpInfo->Type));
              Status = AE_AML_OPERAND_TYPE;
              break;
          }
          break;
  
      case ACPI_TYPE_STRING:
  
          ObjDesc->String.Pointer = Op->Common.Value.String;
          ObjDesc->String.Length = (UINT32) strlen (Op->Common.Value.String);
  
          /*
           * The string is contained in the ACPI table, don't ever try
           * to delete it
           */
          ObjDesc->Common.Flags |= AOPOBJ_STATIC_POINTER;
          break;
  
      case ACPI_TYPE_METHOD:
          break;
  
      case ACPI_TYPE_LOCAL_REFERENCE:
  
          switch (OpInfo->Type)
          {
          case AML_TYPE_LOCAL_VARIABLE:
  
              /* Local ID (0-7) is (AML opcode - base AML_FIRST_LOCAL_OP) */
  
              ObjDesc->Reference.Value = ((UINT32) Opcode) - AML_FIRST_LOCAL_OP;
              ObjDesc->Reference.Class = ACPI_REFCLASS_LOCAL;
  
              Status = AcpiDsMethodDataGetNode (ACPI_REFCLASS_LOCAL,
                  ObjDesc->Reference.Value, WalkState,
                  ACPI_CAST_INDIRECT_PTR (ACPI_NAMESPACE_NODE,
                      &ObjDesc->Reference.Object));
              break;
  
          case AML_TYPE_METHOD_ARGUMENT:
  
              /* Arg ID (0-6) is (AML opcode - base AML_FIRST_ARG_OP) */
  
              ObjDesc->Reference.Value = ((UINT32) Opcode) - AML_FIRST_ARG_OP;
              ObjDesc->Reference.Class = ACPI_REFCLASS_ARG;
  
              Status = AcpiDsMethodDataGetNode (ACPI_REFCLASS_ARG,
                  ObjDesc->Reference.Value, WalkState,
                  ACPI_CAST_INDIRECT_PTR (ACPI_NAMESPACE_NODE,
                      &ObjDesc->Reference.Object));
              break;
  
          default: /* Object name or Debug object */
  
              switch (Op->Common.AmlOpcode)
              {
              case AML_INT_NAMEPATH_OP:
  
                  /* Node was saved in Op */
  
                  ObjDesc->Reference.Node = Op->Common.Node;
                  ObjDesc->Reference.Class = ACPI_REFCLASS_NAME;
                  if (Op->Common.Node)
                  {
                      ObjDesc->Reference.Object = Op->Common.Node->Object;
                  }
                  break;
  
              case AML_DEBUG_OP:
  
                  ObjDesc->Reference.Class = ACPI_REFCLASS_DEBUG;
                  break;
  
              default:
  
                  ACPI_ERROR ((AE_INFO,
                      "Unimplemented reference type for AML opcode: 0x%4.4X", Opcode));
                  return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
              }
              break;
          }
          break;
  
      default:
  
          ACPI_ERROR ((AE_INFO, "Unimplemented data type: 0x%X",
              ObjDesc->Common.Type));
  
          Status = AE_AML_OPERAND_TYPE;
          break;
      }
  
      return_ACPI_STATUS (Status);
  }
  