sys/contrib/dev/acpica-unix-20050211/disassembler/dmobject.c

   1 /*******************************************************************************
   2  *
   3  * Module Name: dmobject - ACPI object decode and display
   4  *              $Revision: 12 $
   5  *
   6  ******************************************************************************/
   7
   8 /******************************************************************************
   9  *
  10  * 1. Copyright Notice
  11  *
  12  * Some or all of this work - Copyright (c) 1999 - 2005, Intel Corp.
  13  * All rights reserved.
  14  *
  15  * 2. License
  16  *
  17  * 2.1. This is your license from Intel Corp. under its intellectual property
  18  * rights.  You may have additional license terms from the party that provided
  19  * you this software, covering your right to use that party's intellectual
  20  * property rights.
  21  *
  22  * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
  23  * copy of the source code appearing in this file ("Covered Code") an
  24  * irrevocable, perpetual, worldwide license under Intel's copyrights in the
  25  * base code distributed originally by Intel ("Original Intel Code") to copy,
  26  * make derivatives, distribute, use and display any portion of the Covered
  27  * Code in any form, with the right to sublicense such rights; and
  28  *
  29  * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
  30  * license (with the right to sublicense), under only those claims of Intel
  31  * patents that are infringed by the Original Intel Code, to make, use, sell,
  32  * offer to sell, and import the Covered Code and derivative works thereof
  33  * solely to the minimum extent necessary to exercise the above copyright
  34  * license, and in no event shall the patent license extend to any additions
  35  * to or modifications of the Original Intel Code.  No other license or right
  36  * is granted directly or by implication, estoppel or otherwise;
  37  *
  38  * The above copyright and patent license is granted only if the following
  39  * conditions are met:
  40  *
  41  * 3. Conditions
  42  *
  43  * 3.1. Redistribution of Source with Rights to Further Distribute Source.
  44  * Redistribution of source code of any substantial portion of the Covered
  45  * Code or modification with rights to further distribute source must include
  46  * the above Copyright Notice, the above License, this list of Conditions,
  47  * and the following Disclaimer and Export Compliance provision.  In addition,
  48  * Licensee must cause all Covered Code to which Licensee contributes to
  49  * contain a file documenting the changes Licensee made to create that Covered
  50  * Code and the date of any change.  Licensee must include in that file the
  51  * documentation of any changes made by any predecessor Licensee.  Licensee
  52  * must include a prominent statement that the modification is derived,
  53  * directly or indirectly, from Original Intel Code.
  54  *
  55  * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
  56  * Redistribution of source code of any substantial portion of the Covered
  57  * Code or modification without rights to further distribute source must
  58  * include the following Disclaimer and Export Compliance provision in the
  59  * documentation and/or other materials provided with distribution.  In
  60  * addition, Licensee may not authorize further sublicense of source of any
  61  * portion of the Covered Code, and must include terms to the effect that the
  62  * license from Licensee to its licensee is limited to the intellectual
  63  * property embodied in the software Licensee provides to its licensee, and
  64  * not to intellectual property embodied in modifications its licensee may
  65  * make.
  66  *
  67  * 3.3. Redistribution of Executable. Redistribution in executable form of any
  68  * substantial portion of the Covered Code or modification must reproduce the
  69  * above Copyright Notice, and the following Disclaimer and Export Compliance
  70  * provision in the documentation and/or other materials provided with the
  71  * distribution.
  72  *
  73  * 3.4. Intel retains all right, title, and interest in and to the Original
  74  * Intel Code.
  75  *
  76  * 3.5. Neither the name Intel nor any other trademark owned or controlled by
  77  * Intel shall be used in advertising or otherwise to promote the sale, use or
  78  * other dealings in products derived from or relating to the Covered Code
  79  * without prior written authorization from Intel.
  80  *
  81  * 4. Disclaimer and Export Compliance
  82  *
  83  * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
  84  * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
  85  * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
  86  * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
  87  * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
  88  * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
  89  * PARTICULAR PURPOSE.
  90  *
  91  * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
  92  * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
  93  * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
  94  * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
  95  * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
  96  * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
  97  * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
  98  * LIMITED REMEDY.
  99  *
 100  * 4.3. Licensee shall not export, either directly or indirectly, any of this
 101  * software or system incorporating such software without first obtaining any
 102  * required license or other approval from the U. S. Department of Commerce or
 103  * any other agency or department of the United States Government.  In the
 104  * event Licensee exports any such software from the United States or
 105  * re-exports any such software from a foreign destination, Licensee shall
 106  * ensure that the distribution and export/re-export of the software is in
 107  * compliance with all laws, regulations, orders, or other restrictions of the
 108  * U.S. Export Administration Regulations. Licensee agrees that neither it nor
 109  * any of its subsidiaries will export/re-export any technical data, process,
 110  * software, or service, directly or indirectly, to any country for which the
 111  * United States government or any agency thereof requires an export license,
 112  * other governmental approval, or letter of assurance, without first obtaining
 113  * such license, approval or letter.
 114  *
 115  *****************************************************************************/
 116
 117
 118 #include "acpi.h"
 119 #include "amlcode.h"
 120 #include "acnamesp.h"
 121 #include "acdisasm.h"
 122 #include "acparser.h"
 123
 124
 125 #ifdef ACPI_DISASSEMBLER
 126
 127 #define _COMPONENT          ACPI_CA_DEBUGGER
 128         ACPI_MODULE_NAME    ("dmnames")
 129
 130
 131 /*****************************************************************************
 132  *
 133  * FUNCTION:    AcpiDmDumpMethodInfo
 134  *
 135  * PARAMETERS:  Status          - Method execution status
 136  *              WalkState       - Current state of the parse tree walk
 137  *              Op              - Executing parse op
 138  *
 139  * RETURN:      None
 140  *
 141  * DESCRIPTION: Called when a method has been aborted because of an error.
 142  *              Dumps the method execution stack, and the method locals/args,
 143  *              and disassembles the AML opcode that failed.
 144  *
 145  ****************************************************************************/
 146
 147 void
 148 AcpiDmDumpMethodInfo (
 149     ACPI_STATUS             Status,
 150     ACPI_WALK_STATE         *WalkState,
 151     ACPI_PARSE_OBJECT       *Op)
 152 {
 153     ACPI_PARSE_OBJECT       *Next;
 154     ACPI_THREAD_STATE       *Thread;
 155     ACPI_WALK_STATE         *NextWalkState;
 156     ACPI_NAMESPACE_NODE     *PreviousMethod = NULL;
 157
 158
 159     /* Ignore control codes, they are not errors */
 160
 161     if ((Status & AE_CODE_MASK) == AE_CODE_CONTROL)
 162     {
 163         return;
 164     }
 165
 166     /* We may be executing a deferred opcode */
 167
 168     if (WalkState->DeferredNode)
 169     {
 170         AcpiOsPrintf ("Executing subtree for Buffer/Package/Region\n");
 171         return;
 172     }
 173
 174     /* Display exception and method name */
 175
 176     AcpiOsPrintf ("\n**** Exception %s during execution of method ",
 177         AcpiFormatException (Status));
 178     AcpiNsPrintNodePathname (WalkState->MethodNode, NULL);
 179
 180     /* Display stack of executing methods */
 181
 182     AcpiOsPrintf ("\n\nMethod Execution Stack:\n");
 183     Thread = WalkState->Thread;
 184     NextWalkState = Thread->WalkStateList;
 185
 186     /* Walk list of linked walk states */
 187
 188     while (NextWalkState)
 189     {
 190         AcpiOsPrintf ("    Method [%4.4s] executing: ",
 191                 AcpiUtGetNodeName (NextWalkState->MethodNode));
 192
 193         /* First method is the currently executing method */
 194
 195         if (NextWalkState == WalkState)
 196         {
 197             /* Display currently executing ASL statement */
 198
 199             Next = Op->Common.Next;
 200             Op->Common.Next = NULL;
 201
 202             AcpiDmDisassemble (NextWalkState, Op, ACPI_UINT32_MAX);
 203             Op->Common.Next = Next;
 204         }
 205         else
 206         {
 207             /*
 208              * This method has called another method
 209              * NOTE: the method call parse subtree is already deleted at this
 210              * point, so we cannot disassemble the method invocation.
 211              */
 212             AcpiOsPrintf ("Call to method ");
 213             AcpiNsPrintNodePathname (PreviousMethod, NULL);
 214         }
 215
 216         PreviousMethod = NextWalkState->MethodNode;
 217         NextWalkState = NextWalkState->Next;
 218         AcpiOsPrintf ("\n");
 219     }
 220
 221     /* Display the method locals and arguments */
 222
 223     AcpiOsPrintf ("\n");
 224     AcpiDmDisplayLocals (WalkState);
 225     AcpiOsPrintf ("\n");
 226     AcpiDmDisplayArguments (WalkState);
 227     AcpiOsPrintf ("\n");
 228 }
 229
 230
 231 /*******************************************************************************
 232  *
 233  * FUNCTION:    AcpiDmDecodeInternalObject
 234  *
 235  * PARAMETERS:  ObjDesc         - Object to be displayed
 236  *
 237  * RETURN:      None
 238  *
 239  * DESCRIPTION: Short display of an internal object.  Numbers and Strings.
 240  *
 241  ******************************************************************************/
 242
 243 void
 244 AcpiDmDecodeInternalObject (
 245     ACPI_OPERAND_OBJECT     *ObjDesc)
 246 {
 247     UINT32                  i;
 248
 249
 250     if (!ObjDesc)
 251     {
 252         AcpiOsPrintf (" Uninitialized");
 253         return;
 254     }
 255
 256     if (ACPI_GET_DESCRIPTOR_TYPE (ObjDesc) != ACPI_DESC_TYPE_OPERAND)
 257     {
 258         AcpiOsPrintf (" %p [%s]", ObjDesc, AcpiUtGetDescriptorName (ObjDesc));
 259         return;
 260     }
 261
 262     AcpiOsPrintf (" %s", AcpiUtGetObjectTypeName (ObjDesc));
 263
 264     switch (ACPI_GET_OBJECT_TYPE (ObjDesc))
 265     {
 266     case ACPI_TYPE_INTEGER:
 267
 268         AcpiOsPrintf (" %8.8X%8.8X",
 269                 ACPI_FORMAT_UINT64 (ObjDesc->Integer.Value));
 270         break;
 271
 272
 273     case ACPI_TYPE_STRING:
 274
 275         AcpiOsPrintf ("(%d) \"%.24s",
 276                 ObjDesc->String.Length, ObjDesc->String.Pointer);
 277
 278         if (ObjDesc->String.Length > 24)
 279         {
 280             AcpiOsPrintf ("...");
 281         }
 282         else
 283         {
 284             AcpiOsPrintf ("\"");
 285         }
 286         break;
 287
 288
 289     case ACPI_TYPE_BUFFER:
 290
 291         AcpiOsPrintf ("(%d)", ObjDesc->Buffer.Length);
 292         for (i = 0; (i < 8) && (i < ObjDesc->Buffer.Length); i++)
 293         {
 294             AcpiOsPrintf (" %2.2X", ObjDesc->Buffer.Pointer[i]);
 295         }
 296         break;
 297
 298
 299     default:
 300
 301         AcpiOsPrintf (" %p", ObjDesc);
 302         break;
 303     }
 304 }
 305
 306
 307 /*******************************************************************************
 308  *
 309  * FUNCTION:    AcpiDmDecodeNode
 310  *
 311  * PARAMETERS:  Node        - Object to be displayed
 312  *
 313  * RETURN:      None
 314  *
 315  * DESCRIPTION: Short display of a namespace node
 316  *
 317  ******************************************************************************/
 318
 319 void
 320 AcpiDmDecodeNode (
 321     ACPI_NAMESPACE_NODE     *Node)
 322 {
 323
 324
 325     AcpiOsPrintf ("<Node>            Name %4.4s",
 326             AcpiUtGetNodeName (Node));
 327
 328     if (Node->Flags & ANOBJ_METHOD_ARG)
 329     {
 330         AcpiOsPrintf (" [Method Arg]");
 331     }
 332     if (Node->Flags & ANOBJ_METHOD_LOCAL)
 333     {
 334         AcpiOsPrintf (" [Method Local]");
 335     }
 336
 337     AcpiDmDecodeInternalObject (AcpiNsGetAttachedObject (Node));
 338 }
 339
 340
 341 /*******************************************************************************
 342  *
 343  * FUNCTION:    AcpiDmDisplayInternalObject
 344  *
 345  * PARAMETERS:  ObjDesc         - Object to be displayed
 346  *              WalkState       - Current walk state
 347  *
 348  * RETURN:      None
 349  *
 350  * DESCRIPTION: Short display of an internal object
 351  *
 352  ******************************************************************************/
 353
 354 void
 355 AcpiDmDisplayInternalObject (
 356     ACPI_OPERAND_OBJECT     *ObjDesc,
 357     ACPI_WALK_STATE         *WalkState)
 358 {
 359     UINT8                   Type;
 360
 361
 362     AcpiOsPrintf ("%p ", ObjDesc);
 363
 364     if (!ObjDesc)
 365     {
 366         AcpiOsPrintf ("<NullObj>\n");
 367         return;
 368     }
 369
 370     /* Decode the object type */
 371
 372     switch (ACPI_GET_DESCRIPTOR_TYPE (ObjDesc))
 373     {
 374     case ACPI_DESC_TYPE_PARSER:
 375
 376         AcpiOsPrintf ("<Parser>  ");
 377         break;
 378
 379
 380     case ACPI_DESC_TYPE_NAMED:
 381
 382         AcpiDmDecodeNode ((ACPI_NAMESPACE_NODE *) ObjDesc);
 383         break;
 384
 385
 386     case ACPI_DESC_TYPE_OPERAND:
 387
 388         Type = ACPI_GET_OBJECT_TYPE (ObjDesc);
 389         if (Type > ACPI_TYPE_LOCAL_MAX)
 390         {
 391             AcpiOsPrintf (" Type %X [Invalid Type]", (UINT32) Type);
 392             return;
 393         }
 394
 395         /* Decode the ACPI object type */
 396
 397         switch (ACPI_GET_OBJECT_TYPE (ObjDesc))
 398         {
 399         case ACPI_TYPE_LOCAL_REFERENCE:
 400
 401             switch (ObjDesc->Reference.Opcode)
 402             {
 403             case AML_LOCAL_OP:
 404
 405                 AcpiOsPrintf ("[Local%d] ", ObjDesc->Reference.Offset);
 406                 if (WalkState)
 407                 {
 408                     ObjDesc = WalkState->LocalVariables[ObjDesc->Reference.Offset].Object;
 409                     AcpiOsPrintf ("%p", ObjDesc);
 410                     AcpiDmDecodeInternalObject (ObjDesc);
 411                 }
 412                 break;
 413
 414
 415             case AML_ARG_OP:
 416
 417                 AcpiOsPrintf ("[Arg%d]   ", ObjDesc->Reference.Offset);
 418                 if (WalkState)
 419                 {
 420                     ObjDesc = WalkState->Arguments[ObjDesc->Reference.Offset].Object;
 421                     AcpiOsPrintf ("%p", ObjDesc);
 422                     AcpiDmDecodeInternalObject (ObjDesc);
 423                 }
 424                 break;
 425
 426
 427             case AML_DEBUG_OP:
 428
 429                 AcpiOsPrintf ("[Debug]  ");
 430                 break;
 431
 432
 433             case AML_INDEX_OP:
 434
 435                 AcpiOsPrintf ("[Index]  ");
 436                 switch (ObjDesc->Reference.TargetType)
 437                 {
 438                 case ACPI_TYPE_BUFFER_FIELD:
 439                     AcpiOsPrintf ("%p", ObjDesc->Reference.Object);
 440                     AcpiDmDecodeInternalObject (ObjDesc->Reference.Object);
 441                     break;
 442
 443                 case ACPI_TYPE_PACKAGE:
 444
 445                     AcpiOsPrintf ("%p", ObjDesc->Reference.Where);
 446                     if (!ObjDesc->Reference.Where)
 447                     {
 448                         AcpiOsPrintf (" Uninitialized WHERE ptr");
 449                     }
 450                     else
 451                     {
 452                         AcpiDmDecodeInternalObject (*(ObjDesc->Reference.Where));
 453                     }
 454                     break;
 455
 456                 default:
 457                     AcpiOsPrintf ("Unknown index target type");
 458                     break;
 459                 }
 460                 break;
 461
 462
 463             case AML_LOAD_OP:
 464
 465                 AcpiOsPrintf ("[DdbHandle]  ");
 466                 break;
 467
 468
 469             case AML_REF_OF_OP:
 470
 471                 AcpiOsPrintf ("[RefOf]          ");
 472
 473                 if (!ObjDesc->Reference.Object)
 474                 {
 475                     AcpiOsPrintf ("Uninitialized reference subobject ptr");
 476                     break;
 477                 }
 478
 479                 /* Reference can be to a Node or an Operand object */
 480
 481                 switch (ACPI_GET_DESCRIPTOR_TYPE (ObjDesc->Reference.Object))
 482                 {
 483                 case ACPI_DESC_TYPE_NAMED:
 484                     AcpiDmDecodeNode (ObjDesc->Reference.Object);
 485                     break;
 486
 487                 case ACPI_DESC_TYPE_OPERAND:
 488                     AcpiDmDecodeInternalObject (ObjDesc->Reference.Object);
 489                     break;
 490
 491                 default:
 492                     break;
 493                 }
 494                 break;
 495
 496
 497             default:
 498
 499                 AcpiOsPrintf ("Unknown Reference opcode %X (%s)\n",
 500                     ObjDesc->Reference.Opcode,
 501                     AcpiPsGetOpcodeName (ObjDesc->Reference.Opcode));
 502                 break;
 503             }
 504             break;
 505
 506         default:
 507
 508             AcpiOsPrintf ("<Obj>            ");
 509             AcpiDmDecodeInternalObject (ObjDesc);
 510             break;
 511         }
 512         break;
 513
 514
 515     default:
 516
 517         AcpiOsPrintf ("<Not a valid ACPI Object Descriptor> [%s]",
 518                 AcpiUtGetDescriptorName (ObjDesc));
 519         break;
 520     }
 521
 522     AcpiOsPrintf ("\n");
 523 }
 524
 525
 526 /*******************************************************************************
 527  *
 528  * FUNCTION:    AcpiDmDisplayLocals
 529  *
 530  * PARAMETERS:  None
 531  *
 532  * RETURN:      None
 533  *
 534  * DESCRIPTION: Display all locals for the currently running control method
 535  *
 536  ******************************************************************************/
 537
 538 void
 539 AcpiDmDisplayLocals (
 540     ACPI_WALK_STATE         *WalkState)
 541 {
 542     UINT32                  i;
 543     ACPI_OPERAND_OBJECT     *ObjDesc;
 544     ACPI_NAMESPACE_NODE     *Node;
 545
 546
 547     ObjDesc = WalkState->MethodDesc;
 548     Node    = WalkState->MethodNode;
 549     if (!Node)
 550     {
 551         AcpiOsPrintf ("No method node (Executing subtree for buffer or opregion)\n");
 552         return;
 553     }
 554
 555     if (Node->Type != ACPI_TYPE_METHOD)
 556     {
 557         AcpiOsPrintf ("Executing subtree for Buffer/Package/Region\n");
 558         return;
 559     }
 560
 561     AcpiOsPrintf ("Local Variables for method [%4.4s]:\n",
 562             AcpiUtGetNodeName (Node));
 563
 564     for (i = 0; i < ACPI_METHOD_NUM_LOCALS; i++)
 565     {
 566         ObjDesc = WalkState->LocalVariables[i].Object;
 567         AcpiOsPrintf ("    Local%X: ", i);
 568         AcpiDmDisplayInternalObject (ObjDesc, WalkState);
 569     }
 570 }
 571
 572
 573 /*******************************************************************************
 574  *
 575  * FUNCTION:    AcpiDmDisplayArguments
 576  *
 577  * PARAMETERS:  None
 578  *
 579  * RETURN:      None
 580  *
 581  * DESCRIPTION: Display all arguments for the currently running control method
 582  *
 583  ******************************************************************************/
 584
 585 void
 586 AcpiDmDisplayArguments (
 587     ACPI_WALK_STATE         *WalkState)
 588 {
 589     UINT32                  i;
 590     ACPI_OPERAND_OBJECT     *ObjDesc;
 591     UINT32                  NumArgs;
 592     UINT32                  Concurrency;
 593     ACPI_NAMESPACE_NODE     *Node;
 594
 595
 596     ObjDesc = WalkState->MethodDesc;
 597     Node    = WalkState->MethodNode;
 598     if (!Node)
 599     {
 600         AcpiOsPrintf ("No method node (Executing subtree for buffer or opregion)\n");
 601         return;
 602     }
 603
 604     if (Node->Type != ACPI_TYPE_METHOD)
 605     {
 606         AcpiOsPrintf ("Executing subtree for Buffer/Package/Region\n");
 607         return;
 608     }
 609
 610     NumArgs     = ObjDesc->Method.ParamCount;
 611     Concurrency = ObjDesc->Method.Concurrency;
 612
 613     AcpiOsPrintf ("Arguments for Method [%4.4s]:  (%X arguments defined, max concurrency = %X)\n",
 614             AcpiUtGetNodeName (Node), NumArgs, Concurrency);
 615
 616     for (i = 0; i < ACPI_METHOD_NUM_ARGS; i++)
 617     {
 618         ObjDesc = WalkState->Arguments[i].Object;
 619         AcpiOsPrintf ("    Arg%d:   ", i);
 620         AcpiDmDisplayInternalObject (ObjDesc, WalkState);
 621     }
 622 }
 623
 624 #endif
 625
 626