acpica/dispatcher/dsobject.c

0001 /******************************************************************************
0002  *
0003  * Module Name: dsobject - Dispatcher object management routines
0004  *
0005  *****************************************************************************/
0006
0007 /******************************************************************************
0008  *
0009  * 1. Copyright Notice
0010  *
0011  * Some or all of this work - Copyright (c) 1999 - 2024, Intel Corp.
0012  * All rights reserved.
0013  *
0014  * 2. License
0015  *
0016  * 2.1. This is your license from Intel Corp. under its intellectual property
0017  * rights. You may have additional license terms from the party that provided
0018  * you this software, covering your right to use that party's intellectual
0019  * property rights.
0020  *
0021  * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
0022  * copy of the source code appearing in this file ("Covered Code") an
0023  * irrevocable, perpetual, worldwide license under Intel's copyrights in the
0024  * base code distributed originally by Intel ("Original Intel Code") to copy,
0025  * make derivatives, distribute, use and display any portion of the Covered
0026  * Code in any form, with the right to sublicense such rights; and
0027  *
0028  * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
0029  * license (with the right to sublicense), under only those claims of Intel
0030  * patents that are infringed by the Original Intel Code, to make, use, sell,
0031  * offer to sell, and import the Covered Code and derivative works thereof
0032  * solely to the minimum extent necessary to exercise the above copyright
0033  * license, and in no event shall the patent license extend to any additions
0034  * to or modifications of the Original Intel Code. No other license or right
0035  * is granted directly or by implication, estoppel or otherwise;
0036  *
0037  * The above copyright and patent license is granted only if the following
0038  * conditions are met:
0039  *
0040  * 3. Conditions
0041  *
0042  * 3.1. Redistribution of Source with Rights to Further Distribute Source.
0043  * Redistribution of source code of any substantial portion of the Covered
0044  * Code or modification with rights to further distribute source must include
0045  * the above Copyright Notice, the above License, this list of Conditions,
0046  * and the following Disclaimer and Export Compliance provision. In addition,
0047  * Licensee must cause all Covered Code to which Licensee contributes to
0048  * contain a file documenting the changes Licensee made to create that Covered
0049  * Code and the date of any change. Licensee must include in that file the
0050  * documentation of any changes made by any predecessor Licensee. Licensee
0051  * must include a prominent statement that the modification is derived,
0052  * directly or indirectly, from Original Intel Code.
0053  *
0054  * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
0055  * Redistribution of source code of any substantial portion of the Covered
0056  * Code or modification without rights to further distribute source must
0057  * include the following Disclaimer and Export Compliance provision in the
0058  * documentation and/or other materials provided with distribution. In
0059  * addition, Licensee may not authorize further sublicense of source of any
0060  * portion of the Covered Code, and must include terms to the effect that the
0061  * license from Licensee to its licensee is limited to the intellectual
0062  * property embodied in the software Licensee provides to its licensee, and
0063  * not to intellectual property embodied in modifications its licensee may
0064  * make.
0065  *
0066  * 3.3. Redistribution of Executable. Redistribution in executable form of any
0067  * substantial portion of the Covered Code or modification must reproduce the
0068  * above Copyright Notice, and the following Disclaimer and Export Compliance
0069  * provision in the documentation and/or other materials provided with the
0070  * distribution.
0071  *
0072  * 3.4. Intel retains all right, title, and interest in and to the Original
0073  * Intel Code.
0074  *
0075  * 3.5. Neither the name Intel nor any other trademark owned or controlled by
0076  * Intel shall be used in advertising or otherwise to promote the sale, use or
0077  * other dealings in products derived from or relating to the Covered Code
0078  * without prior written authorization from Intel.
0079  *
0080  * 4. Disclaimer and Export Compliance
0081  *
0082  * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
0083  * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
0084  * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE,
0085  * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY
0086  * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY
0087  * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
0088  * PARTICULAR PURPOSE.
0089  *
0090  * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
0091  * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
0092  * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
0093  * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
0094  * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
0095  * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS
0096  * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
0097  * LIMITED REMEDY.
0098  *
0099  * 4.3. Licensee shall not export, either directly or indirectly, any of this
0100  * software or system incorporating such software without first obtaining any
0101  * required license or other approval from the U. S. Department of Commerce or
0102  * any other agency or department of the United States Government. In the
0103  * event Licensee exports any such software from the United States or
0104  * re-exports any such software from a foreign destination, Licensee shall
0105  * ensure that the distribution and export/re-export of the software is in
0106  * compliance with all laws, regulations, orders, or other restrictions of the
0107  * U.S. Export Administration Regulations. Licensee agrees that neither it nor
0108  * any of its subsidiaries will export/re-export any technical data, process,
0109  * software, or service, directly or indirectly, to any country for which the
0110  * United States government or any agency thereof requires an export license,
0111  * other governmental approval, or letter of assurance, without first obtaining
0112  * such license, approval or letter.
0113  *
0114  *****************************************************************************
0115  *
0116  * Alternatively, you may choose to be licensed under the terms of the
0117  * following license:
0118  *
0119  * Redistribution and use in source and binary forms, with or without
0120  * modification, are permitted provided that the following conditions
0121  * are met:
0122  * 1. Redistributions of source code must retain the above copyright
0123  *    notice, this list of conditions, and the following disclaimer,
0124  *    without modification.
0125  * 2. Redistributions in binary form must reproduce at minimum a disclaimer
0126  *    substantially similar to the "NO WARRANTY" disclaimer below
0127  *    ("Disclaimer") and any redistribution must be conditioned upon
0128  *    including a substantially similar Disclaimer requirement for further
0129  *    binary redistribution.
0130  * 3. Neither the names of the above-listed copyright holders nor the names
0131  *    of any contributors may be used to endorse or promote products derived
0132  *    from this software without specific prior written permission.
0133  *
0134  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
0135  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
0136  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
0137  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
0138  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
0139  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
0140  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
0141  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
0142  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
0143  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
0144  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
0145  *
0146  * Alternatively, you may choose to be licensed under the terms of the
0147  * GNU General Public License ("GPL") version 2 as published by the Free
0148  * Software Foundation.
0149  *
0150  *****************************************************************************/
0151
0152 #include "acpi.h"
0153 #include "accommon.h"
0154 #include "acparser.h"
0155 #include "amlcode.h"
0156 #include "acdispat.h"
0157 #include "acnamesp.h"
0158 #include "acinterp.h"
0159
0160 #define _COMPONENT          ACPI_DISPATCHER
0161         ACPI_MODULE_NAME    ("dsobject")
0162
0163
0164 /*******************************************************************************
0165  *
0166  * FUNCTION:    AcpiDsBuildInternalObject
0167  *
0168  * PARAMETERS:  WalkState       - Current walk state
0169  *              Op              - Parser object to be translated
0170  *              ObjDescPtr      - Where the ACPI internal object is returned
0171  *
0172  * RETURN:      Status
0173  *
0174  * DESCRIPTION: Translate a parser Op object to the equivalent namespace object
0175  *              Simple objects are any objects other than a package object!
0176  *
0177  ******************************************************************************/
0178
0179 ACPI_STATUS
0180 AcpiDsBuildInternalObject (
0181     ACPI_WALK_STATE         *WalkState,
0182     ACPI_PARSE_OBJECT       *Op,
0183     ACPI_OPERAND_OBJECT     **ObjDescPtr)
0184 {
0185     ACPI_OPERAND_OBJECT     *ObjDesc;
0186     ACPI_STATUS             Status;
0187
0188
0189     ACPI_FUNCTION_TRACE (DsBuildInternalObject);
0190
0191
0192     *ObjDescPtr = NULL;
0193     if (Op->Common.AmlOpcode == AML_INT_NAMEPATH_OP)
0194     {
0195         /*
0196          * This is a named object reference. If this name was
0197          * previously looked up in the namespace, it was stored in
0198          * this op. Otherwise, go ahead and look it up now
0199          */
0200         if (!Op->Common.Node)
0201         {
0202             /* Check if we are resolving a named reference within a package */
0203
0204             if ((Op->Common.Parent->Common.AmlOpcode == AML_PACKAGE_OP) ||
0205                 (Op->Common.Parent->Common.AmlOpcode == AML_VARIABLE_PACKAGE_OP))
0206             {
0207                 /*
0208                  * We won't resolve package elements here, we will do this
0209                  * after all ACPI tables are loaded into the namespace. This
0210                  * behavior supports both forward references to named objects
0211                  * and external references to objects in other tables.
0212                  */
0213                 goto CreateNewObject;
0214             }
0215             else
0216             {
0217                 Status = AcpiNsLookup (WalkState->ScopeInfo,
0218                     Op->Common.Value.String,
0219                     ACPI_TYPE_ANY, ACPI_IMODE_EXECUTE,
0220                     ACPI_NS_SEARCH_PARENT | ACPI_NS_DONT_OPEN_SCOPE, NULL,
0221                     ACPI_CAST_INDIRECT_PTR (
0222                         ACPI_NAMESPACE_NODE, &(Op->Common.Node)));
0223                 if (ACPI_FAILURE (Status))
0224                 {
0225                     ACPI_ERROR_NAMESPACE (WalkState->ScopeInfo,
0226                         Op->Common.Value.String, Status);
0227                     return_ACPI_STATUS (Status);
0228                 }
0229             }
0230         }
0231     }
0232
0233 CreateNewObject:
0234
0235     /* Create and init a new internal ACPI object */
0236
0237     ObjDesc = AcpiUtCreateInternalObject (
0238         (AcpiPsGetOpcodeInfo (Op->Common.AmlOpcode))->ObjectType);
0239     if (!ObjDesc)
0240     {
0241         return_ACPI_STATUS (AE_NO_MEMORY);
0242     }
0243
0244     Status = AcpiDsInitObjectFromOp (
0245         WalkState, Op, Op->Common.AmlOpcode, &ObjDesc);
0246     if (ACPI_FAILURE (Status))
0247     {
0248         AcpiUtRemoveReference (ObjDesc);
0249         return_ACPI_STATUS (Status);
0250     }
0251
0252     /*
0253      * Handling for unresolved package reference elements.
0254      * These are elements that are namepaths.
0255      */
0256     if ((Op->Common.Parent->Common.AmlOpcode == AML_PACKAGE_OP) ||
0257         (Op->Common.Parent->Common.AmlOpcode == AML_VARIABLE_PACKAGE_OP))
0258     {
0259         ObjDesc->Reference.Resolved = TRUE;
0260
0261         if ((Op->Common.AmlOpcode == AML_INT_NAMEPATH_OP) &&
0262             !ObjDesc->Reference.Node)
0263         {
0264             /*
0265              * Name was unresolved above.
0266              * Get the prefix node for later lookup
0267              */
0268             ObjDesc->Reference.Node = WalkState->ScopeInfo->Scope.Node;
0269             ObjDesc->Reference.Aml = Op->Common.Aml;
0270             ObjDesc->Reference.Resolved = FALSE;
0271         }
0272     }
0273
0274     *ObjDescPtr = ObjDesc;
0275     return_ACPI_STATUS (Status);
0276 }
0277
0278
0279 /*******************************************************************************
0280  *
0281  * FUNCTION:    AcpiDsBuildInternalBufferObj
0282  *
0283  * PARAMETERS:  WalkState       - Current walk state
0284  *              Op              - Parser object to be translated
0285  *              BufferLength    - Length of the buffer
0286  *              ObjDescPtr      - Where the ACPI internal object is returned
0287  *
0288  * RETURN:      Status
0289  *
0290  * DESCRIPTION: Translate a parser Op package object to the equivalent
0291  *              namespace object
0292  *
0293  ******************************************************************************/
0294
0295 ACPI_STATUS
0296 AcpiDsBuildInternalBufferObj (
0297     ACPI_WALK_STATE         *WalkState,
0298     ACPI_PARSE_OBJECT       *Op,
0299     UINT32                  BufferLength,
0300     ACPI_OPERAND_OBJECT     **ObjDescPtr)
0301 {
0302     ACPI_PARSE_OBJECT       *Arg;
0303     ACPI_OPERAND_OBJECT     *ObjDesc;
0304     ACPI_PARSE_OBJECT       *ByteList;
0305     UINT32                  ByteListLength = 0;
0306
0307
0308     ACPI_FUNCTION_TRACE (DsBuildInternalBufferObj);
0309
0310
0311     /*
0312      * If we are evaluating a Named buffer object "Name (xxxx, Buffer)".
0313      * The buffer object already exists (from the NS node), otherwise it must
0314      * be created.
0315      */
0316     ObjDesc = *ObjDescPtr;
0317     if (!ObjDesc)
0318     {
0319         /* Create a new buffer object */
0320
0321         ObjDesc = AcpiUtCreateInternalObject (ACPI_TYPE_BUFFER);
0322         *ObjDescPtr = ObjDesc;
0323         if (!ObjDesc)
0324         {
0325             return_ACPI_STATUS (AE_NO_MEMORY);
0326         }
0327     }
0328
0329     /*
0330      * Second arg is the buffer data (optional) ByteList can be either
0331      * individual bytes or a string initializer. In either case, a
0332      * ByteList appears in the AML.
0333      */
0334     Arg = Op->Common.Value.Arg;         /* skip first arg */
0335
0336     ByteList = Arg->Named.Next;
0337     if (ByteList)
0338     {
0339         if (ByteList->Common.AmlOpcode != AML_INT_BYTELIST_OP)
0340         {
0341             ACPI_ERROR ((AE_INFO,
0342                 "Expecting bytelist, found AML opcode 0x%X in op %p",
0343                 ByteList->Common.AmlOpcode, ByteList));
0344
0345             AcpiUtRemoveReference (ObjDesc);
0346             return (AE_TYPE);
0347         }
0348
0349         ByteListLength = (UINT32) ByteList->Common.Value.Integer;
0350     }
0351
0352     /*
0353      * The buffer length (number of bytes) will be the larger of:
0354      * 1) The specified buffer length and
0355      * 2) The length of the initializer byte list
0356      */
0357     ObjDesc->Buffer.Length = BufferLength;
0358     if (ByteListLength > BufferLength)
0359     {
0360         ObjDesc->Buffer.Length = ByteListLength;
0361     }
0362
0363     /* Allocate the buffer */
0364
0365     if (ObjDesc->Buffer.Length == 0)
0366     {
0367         ObjDesc->Buffer.Pointer = NULL;
0368         ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
0369             "Buffer defined with zero length in AML, creating\n"));
0370     }
0371     else
0372     {
0373         ObjDesc->Buffer.Pointer =
0374             ACPI_ALLOCATE_ZEROED (ObjDesc->Buffer.Length);
0375         if (!ObjDesc->Buffer.Pointer)
0376         {
0377             AcpiUtDeleteObjectDesc (ObjDesc);
0378             return_ACPI_STATUS (AE_NO_MEMORY);
0379         }
0380
0381         /* Initialize buffer from the ByteList (if present) */
0382
0383         if (ByteList)
0384         {
0385             memcpy (ObjDesc->Buffer.Pointer, ByteList->Named.Data,
0386                 ByteListLength);
0387         }
0388     }
0389
0390     ObjDesc->Buffer.Flags |= AOPOBJ_DATA_VALID;
0391     Op->Common.Node = ACPI_CAST_PTR (ACPI_NAMESPACE_NODE, ObjDesc);
0392     return_ACPI_STATUS (AE_OK);
0393 }
0394
0395 /*******************************************************************************
0396  *
0397  * FUNCTION:    AcpiDsCreateNode
0398  *
0399  * PARAMETERS:  WalkState       - Current walk state
0400  *              Node            - NS Node to be initialized
0401  *              Op              - Parser object to be translated
0402  *
0403  * RETURN:      Status
0404  *
0405  * DESCRIPTION: Create the object to be associated with a namespace node
0406  *
0407  ******************************************************************************/
0408
0409 ACPI_STATUS
0410 AcpiDsCreateNode (
0411     ACPI_WALK_STATE         *WalkState,
0412     ACPI_NAMESPACE_NODE     *Node,
0413     ACPI_PARSE_OBJECT       *Op)
0414 {
0415     ACPI_STATUS             Status;
0416     ACPI_OPERAND_OBJECT     *ObjDesc;
0417
0418
0419     ACPI_FUNCTION_TRACE_PTR (DsCreateNode, Op);
0420
0421
0422     /*
0423      * Because of the execution pass through the non-control-method
0424      * parts of the table, we can arrive here twice. Only init
0425      * the named object node the first time through
0426      */
0427     if (AcpiNsGetAttachedObject (Node))
0428     {
0429         return_ACPI_STATUS (AE_OK);
0430     }
0431
0432     if (!Op->Common.Value.Arg)
0433     {
0434         /* No arguments, there is nothing to do */
0435
0436         return_ACPI_STATUS (AE_OK);
0437     }
0438
0439     /* Build an internal object for the argument(s) */
0440
0441     Status = AcpiDsBuildInternalObject (
0442         WalkState, Op->Common.Value.Arg, &ObjDesc);
0443     if (ACPI_FAILURE (Status))
0444     {
0445         return_ACPI_STATUS (Status);
0446     }
0447
0448     /* Re-type the object according to its argument */
0449
0450     Node->Type = ObjDesc->Common.Type;
0451
0452     /* Attach obj to node */
0453
0454     Status = AcpiNsAttachObject (Node, ObjDesc, Node->Type);
0455
0456     /* Remove local reference to the object */
0457
0458     AcpiUtRemoveReference (ObjDesc);
0459     return_ACPI_STATUS (Status);
0460 }
0461
0462
0463 /*******************************************************************************
0464  *
0465  * FUNCTION:    AcpiDsInitObjectFromOp
0466  *
0467  * PARAMETERS:  WalkState       - Current walk state
0468  *              Op              - Parser op used to init the internal object
0469  *              Opcode          - AML opcode associated with the object
0470  *              RetObjDesc      - Namespace object to be initialized
0471  *
0472  * RETURN:      Status
0473  *
0474  * DESCRIPTION: Initialize a namespace object from a parser Op and its
0475  *              associated arguments. The namespace object is a more compact
0476  *              representation of the Op and its arguments.
0477  *
0478  ******************************************************************************/
0479
0480 ACPI_STATUS
0481 AcpiDsInitObjectFromOp (
0482     ACPI_WALK_STATE         *WalkState,
0483     ACPI_PARSE_OBJECT       *Op,
0484     UINT16                  Opcode,
0485     ACPI_OPERAND_OBJECT     **RetObjDesc)
0486 {
0487     const ACPI_OPCODE_INFO  *OpInfo;
0488     ACPI_OPERAND_OBJECT     *ObjDesc;
0489     ACPI_STATUS             Status = AE_OK;
0490
0491
0492     ACPI_FUNCTION_TRACE (DsInitObjectFromOp);
0493
0494
0495     ObjDesc = *RetObjDesc;
0496     OpInfo = AcpiPsGetOpcodeInfo (Opcode);
0497     if (OpInfo->Class == AML_CLASS_UNKNOWN)
0498     {
0499         /* Unknown opcode */
0500
0501         return_ACPI_STATUS (AE_TYPE);
0502     }
0503
0504     /* Perform per-object initialization */
0505
0506     switch (ObjDesc->Common.Type)
0507     {
0508     case ACPI_TYPE_BUFFER:
0509         /*
0510          * Defer evaluation of Buffer TermArg operand
0511          */
0512         ObjDesc->Buffer.Node = ACPI_CAST_PTR (
0513             ACPI_NAMESPACE_NODE, WalkState->Operands[0]);
0514         ObjDesc->Buffer.AmlStart = Op->Named.Data;
0515         ObjDesc->Buffer.AmlLength = Op->Named.Length;
0516         break;
0517
0518     case ACPI_TYPE_PACKAGE:
0519         /*
0520          * Defer evaluation of Package TermArg operand and all
0521          * package elements. (01/2017): We defer the element
0522          * resolution to allow forward references from the package
0523          * in order to provide compatibility with other ACPI
0524          * implementations.
0525          */
0526         ObjDesc->Package.Node = ACPI_CAST_PTR (
0527             ACPI_NAMESPACE_NODE, WalkState->Operands[0]);
0528
0529         if (!Op->Named.Data)
0530         {
0531             return_ACPI_STATUS (AE_OK);
0532         }
0533
0534         ObjDesc->Package.AmlStart = Op->Named.Data;
0535         ObjDesc->Package.AmlLength = Op->Named.Length;
0536         break;
0537
0538     case ACPI_TYPE_INTEGER:
0539
0540         switch (OpInfo->Type)
0541         {
0542         case AML_TYPE_CONSTANT:
0543             /*
0544              * Resolve AML Constants here - AND ONLY HERE!
0545              * All constants are integers.
0546              * We mark the integer with a flag that indicates that it started
0547              * life as a constant -- so that stores to constants will perform
0548              * as expected (noop). ZeroOp is used as a placeholder for optional
0549              * target operands.
0550              */
0551             ObjDesc->Common.Flags = AOPOBJ_AML_CONSTANT;
0552
0553             switch (Opcode)
0554             {
0555             case AML_ZERO_OP:
0556
0557                 ObjDesc->Integer.Value = 0;
0558                 break;
0559
0560             case AML_ONE_OP:
0561
0562                 ObjDesc->Integer.Value = 1;
0563                 break;
0564
0565             case AML_ONES_OP:
0566
0567                 ObjDesc->Integer.Value = ACPI_UINT64_MAX;
0568
0569                 /* Truncate value if we are executing from a 32-bit ACPI table */
0570
0571                 (void) AcpiExTruncateFor32bitTable (ObjDesc);
0572                 break;
0573
0574             case AML_REVISION_OP:
0575
0576                 ObjDesc->Integer.Value = ACPI_CA_VERSION;
0577                 break;
0578
0579             default:
0580
0581                 ACPI_ERROR ((AE_INFO,
0582                     "Unknown constant opcode 0x%X", Opcode));
0583                 Status = AE_AML_OPERAND_TYPE;
0584                 break;
0585             }
0586             break;
0587
0588         case AML_TYPE_LITERAL:
0589
0590             ObjDesc->Integer.Value = Op->Common.Value.Integer;
0591
0592             if (AcpiExTruncateFor32bitTable (ObjDesc))
0593             {
0594                 /* Warn if we found a 64-bit constant in a 32-bit table */
0595
0596                 ACPI_WARNING ((AE_INFO,
0597                     "Truncated 64-bit constant found in 32-bit table: %8.8X%8.8X => %8.8X",
0598                     ACPI_FORMAT_UINT64 (Op->Common.Value.Integer),
0599                     (UINT32) ObjDesc->Integer.Value));
0600             }
0601             break;
0602
0603         default:
0604
0605             ACPI_ERROR ((AE_INFO, "Unknown Integer type 0x%X",
0606                 OpInfo->Type));
0607             Status = AE_AML_OPERAND_TYPE;
0608             break;
0609         }
0610         break;
0611
0612     case ACPI_TYPE_STRING:
0613
0614         ObjDesc->String.Pointer = Op->Common.Value.String;
0615         ObjDesc->String.Length = (UINT32) strlen (Op->Common.Value.String);
0616
0617         /*
0618          * The string is contained in the ACPI table, don't ever try
0619          * to delete it
0620          */
0621         ObjDesc->Common.Flags |= AOPOBJ_STATIC_POINTER;
0622         break;
0623
0624     case ACPI_TYPE_METHOD:
0625         break;
0626
0627     case ACPI_TYPE_LOCAL_REFERENCE:
0628
0629         switch (OpInfo->Type)
0630         {
0631         case AML_TYPE_LOCAL_VARIABLE:
0632
0633             /* Local ID (0-7) is (AML opcode - base AML_FIRST_LOCAL_OP) */
0634
0635             ObjDesc->Reference.Value = ((UINT32) Opcode) - AML_FIRST_LOCAL_OP;
0636             ObjDesc->Reference.Class = ACPI_REFCLASS_LOCAL;
0637
0638             Status = AcpiDsMethodDataGetNode (ACPI_REFCLASS_LOCAL,
0639                 ObjDesc->Reference.Value, WalkState,
0640                 ACPI_CAST_INDIRECT_PTR (ACPI_NAMESPACE_NODE,
0641                     &ObjDesc->Reference.Object));
0642             break;
0643
0644         case AML_TYPE_METHOD_ARGUMENT:
0645
0646             /* Arg ID (0-6) is (AML opcode - base AML_FIRST_ARG_OP) */
0647
0648             ObjDesc->Reference.Value = ((UINT32) Opcode) - AML_FIRST_ARG_OP;
0649             ObjDesc->Reference.Class = ACPI_REFCLASS_ARG;
0650
0651             Status = AcpiDsMethodDataGetNode (ACPI_REFCLASS_ARG,
0652                 ObjDesc->Reference.Value, WalkState,
0653                 ACPI_CAST_INDIRECT_PTR (ACPI_NAMESPACE_NODE,
0654                     &ObjDesc->Reference.Object));
0655             break;
0656
0657         default: /* Object name or Debug object */
0658
0659             switch (Op->Common.AmlOpcode)
0660             {
0661             case AML_INT_NAMEPATH_OP:
0662
0663                 /* Node was saved in Op */
0664
0665                 ObjDesc->Reference.Node = Op->Common.Node;
0666                 ObjDesc->Reference.Class = ACPI_REFCLASS_NAME;
0667                 if (Op->Common.Node)
0668                 {
0669                     ObjDesc->Reference.Object = Op->Common.Node->Object;
0670                 }
0671                 break;
0672
0673             case AML_DEBUG_OP:
0674
0675                 ObjDesc->Reference.Class = ACPI_REFCLASS_DEBUG;
0676                 break;
0677
0678             default:
0679
0680                 ACPI_ERROR ((AE_INFO,
0681                     "Unimplemented reference type for AML opcode: 0x%4.4X", Opcode));
0682                 return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
0683             }
0684             break;
0685         }
0686         break;
0687
0688     default:
0689
0690         ACPI_ERROR ((AE_INFO, "Unimplemented data type: 0x%X",
0691             ObjDesc->Common.Type));
0692
0693         Status = AE_AML_OPERAND_TYPE;
0694         break;
0695     }
0696
0697     return_ACPI_STATUS (Status);
0698 }