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update to acpica-unix2-20140114
update to acpica-unix2-20131218
acpica-unix2-20130823
PANKOVs restructure
   1 /******************************************************************************
   2  *
   3  * Module Name: dswexec - Dispatcher method execution callbacks;
   4  *                        dispatch to interpreter.
   5  *
   6  *****************************************************************************/
   7 
   8 /*
   9  * Copyright (C) 2000 - 2011, Intel Corp.
  10  * All rights reserved.
  11  *
  12  * Redistribution and use in source and binary forms, with or without
  13  * modification, are permitted provided that the following conditions
  14  * are met:
  15  * 1. Redistributions of source code must retain the above copyright
  16  *    notice, this list of conditions, and the following disclaimer,
  17  *    without modification.
  18  * 2. Redistributions in binary form must reproduce at minimum a disclaimer
  19  *    substantially similar to the "NO WARRANTY" disclaimer below
  20  *    ("Disclaimer") and any redistribution must be conditioned upon
  21  *    including a substantially similar Disclaimer requirement for further
  22  *    binary redistribution.
  23  * 3. Neither the names of the above-listed copyright holders nor the names
  24  *    of any contributors may be used to endorse or promote products derived
  25  *    from this software without specific prior written permission.
  26  *
  27  * Alternatively, this software may be distributed under the terms of the
  28  * GNU General Public License ("GPL") version 2 as published by the Free
  29  * Software Foundation.


 147      * object. Implicitly convert the argument if necessary.
 148      */
 149     Status = AcpiExConvertToInteger (ObjDesc, &LocalObjDesc, 16);
 150     if (ACPI_FAILURE (Status))
 151     {
 152         goto Cleanup;
 153     }
 154 
 155     if (LocalObjDesc->Common.Type != ACPI_TYPE_INTEGER)
 156     {
 157         ACPI_ERROR ((AE_INFO,
 158             "Bad predicate (not an integer) ObjDesc=%p State=%p Type=0x%X",
 159             ObjDesc, WalkState, ObjDesc->Common.Type));
 160 
 161         Status = AE_AML_OPERAND_TYPE;
 162         goto Cleanup;
 163     }
 164 
 165     /* Truncate the predicate to 32-bits if necessary */
 166 
 167     AcpiExTruncateFor32bitTable (LocalObjDesc);
 168 
 169     /*
 170      * Save the result of the predicate evaluation on
 171      * the control stack
 172      */
 173     if (LocalObjDesc->Integer.Value)
 174     {
 175         WalkState->ControlState->Common.Value = TRUE;
 176     }
 177     else
 178     {
 179         /*
 180          * Predicate is FALSE, we will just toss the
 181          * rest of the package
 182          */
 183         WalkState->ControlState->Common.Value = FALSE;
 184         Status = AE_CTRL_FALSE;
 185     }
 186 
 187     /* Predicate can be used for an implicit return value */


 301 
 302     OpcodeClass = WalkState->OpInfo->Class;
 303 
 304     /* We want to send namepaths to the load code */
 305 
 306     if (Op->Common.AmlOpcode == AML_INT_NAMEPATH_OP)
 307     {
 308         OpcodeClass = AML_CLASS_NAMED_OBJECT;
 309     }
 310 
 311     /*
 312      * Handle the opcode based upon the opcode type
 313      */
 314     switch (OpcodeClass)
 315     {
 316     case AML_CLASS_CONTROL:
 317 
 318         Status = AcpiDsExecBeginControlOp (WalkState, Op);
 319         break;
 320 
 321 
 322     case AML_CLASS_NAMED_OBJECT:
 323 
 324         if (WalkState->WalkType & ACPI_WALK_METHOD)
 325         {
 326             /*
 327              * Found a named object declaration during method execution;
 328              * we must enter this object into the namespace.  The created
 329              * object is temporary and will be deleted upon completion of
 330              * the execution of this method.
 331              *
 332              * Note 10/2010: Except for the Scope() op. This opcode does
 333              * not actually create a new object, it refers to an existing
 334              * object. However, for Scope(), we want to indeed open a
 335              * new scope.
 336              */
 337             if (Op->Common.AmlOpcode != AML_SCOPE_OP)
 338             {
 339                 Status = AcpiDsLoad2BeginOp (WalkState, NULL);
 340             }
 341             else
 342             {
 343                 Status = AcpiDsScopeStackPush (Op->Named.Node,
 344                             Op->Named.Node->Type, WalkState);
 345                 if (ACPI_FAILURE (Status))
 346                 {
 347                     return_ACPI_STATUS (Status);
 348                 }
 349             }
 350         }
 351         break;
 352 
 353 
 354     case AML_CLASS_EXECUTE:
 355     case AML_CLASS_CREATE:
 356 
 357         break;
 358 
 359 
 360     default:

 361         break;
 362     }
 363 
 364     /* Nothing to do here during method execution */
 365 
 366     return_ACPI_STATUS (Status);
 367 
 368 
 369 ErrorExit:
 370     Status = AcpiDsMethodError (Status, WalkState);
 371     return_ACPI_STATUS (Status);
 372 }
 373 
 374 
 375 /*****************************************************************************
 376  *
 377  * FUNCTION:    AcpiDsExecEndOp
 378  *
 379  * PARAMETERS:  WalkState       - Current state of the parse tree walk
 380  *


 424 
 425     ACPI_DEBUGGER_EXEC (Status = AcpiDbSingleStep (WalkState, Op, OpClass));
 426     ACPI_DEBUGGER_EXEC (if (ACPI_FAILURE (Status)) {return_ACPI_STATUS (Status);});
 427 
 428     /* Decode the Opcode Class */
 429 
 430     switch (OpClass)
 431     {
 432     case AML_CLASS_ARGUMENT:    /* Constants, literals, etc. */
 433 
 434         if (WalkState->Opcode == AML_INT_NAMEPATH_OP)
 435         {
 436             Status = AcpiDsEvaluateNamePath (WalkState);
 437             if (ACPI_FAILURE (Status))
 438             {
 439                 goto Cleanup;
 440             }
 441         }
 442         break;
 443 
 444 
 445     case AML_CLASS_EXECUTE:     /* Most operators with arguments */
 446 
 447         /* Build resolved operand stack */
 448 
 449         Status = AcpiDsCreateOperands (WalkState, FirstArg);
 450         if (ACPI_FAILURE (Status))
 451         {
 452             goto Cleanup;
 453         }
 454 
 455         /*
 456          * All opcodes require operand resolution, with the only exceptions
 457          * being the ObjectType and SizeOf operators.
 458          */
 459         if (!(WalkState->OpInfo->Flags & AML_NO_OPERAND_RESOLVE))
 460         {
 461             /* Resolve all operands */
 462 
 463             Status = AcpiExResolveOperands (WalkState->Opcode,
 464                         &(WalkState->Operands [WalkState->NumOperands -1]),


 497                     "While resolving operands for [%s]",
 498                     AcpiPsGetOpcodeName (WalkState->Opcode)));
 499             }
 500         }
 501 
 502         /* Always delete the argument objects and clear the operand stack */
 503 
 504         AcpiDsClearOperands (WalkState);
 505 
 506         /*
 507          * If a result object was returned from above, push it on the
 508          * current result stack
 509          */
 510         if (ACPI_SUCCESS (Status) &&
 511             WalkState->ResultObj)
 512         {
 513             Status = AcpiDsResultPush (WalkState->ResultObj, WalkState);
 514         }
 515         break;
 516 
 517 
 518     default:
 519 
 520         switch (OpType)
 521         {
 522         case AML_TYPE_CONTROL:    /* Type 1 opcode, IF/ELSE/WHILE/NOOP */
 523 
 524             /* 1 Operand, 0 ExternalResult, 0 InternalResult */
 525 
 526             Status = AcpiDsExecEndControlOp (WalkState, Op);
 527 
 528             break;
 529 
 530 
 531         case AML_TYPE_METHOD_CALL:
 532 
 533             /*
 534              * If the method is referenced from within a package
 535              * declaration, it is not a invocation of the method, just
 536              * a reference to it.
 537              */
 538             if ((Op->Asl.Parent) &&
 539                ((Op->Asl.Parent->Asl.AmlOpcode == AML_PACKAGE_OP) ||
 540                 (Op->Asl.Parent->Asl.AmlOpcode == AML_VAR_PACKAGE_OP)))
 541             {
 542                 ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH,
 543                     "Method Reference in a Package, Op=%p\n", Op));
 544 
 545                 Op->Common.Node = (ACPI_NAMESPACE_NODE *) Op->Asl.Value.Arg->Asl.Node;
 546                 AcpiUtAddReference (Op->Asl.Value.Arg->Asl.Node->Object);
 547                 return_ACPI_STATUS (AE_OK);
 548             }
 549 
 550             ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, "Method invocation, Op=%p\n", Op));

 551 
 552             /*
 553              * (AML_METHODCALL) Op->Asl.Value.Arg->Asl.Node contains
 554              * the method Node pointer
 555              */
 556             /* NextOp points to the op that holds the method name */
 557 
 558             NextOp = FirstArg;
 559 
 560             /* NextOp points to first argument op */
 561 
 562             NextOp = NextOp->Common.Next;
 563 
 564             /*
 565              * Get the method's arguments and put them on the operand stack
 566              */
 567             Status = AcpiDsCreateOperands (WalkState, NextOp);
 568             if (ACPI_FAILURE (Status))
 569             {
 570                 break;


 579             if (ACPI_FAILURE (Status))
 580             {
 581                 /* On error, clear all resolved operands */
 582 
 583                 AcpiDsClearOperands (WalkState);
 584                 break;
 585             }
 586 
 587             /*
 588              * Tell the walk loop to preempt this running method and
 589              * execute the new method
 590              */
 591             Status = AE_CTRL_TRANSFER;
 592 
 593             /*
 594              * Return now; we don't want to disturb anything,
 595              * especially the operand count!
 596              */
 597             return_ACPI_STATUS (Status);
 598 
 599 
 600         case AML_TYPE_CREATE_FIELD:
 601 
 602             ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
 603                 "Executing CreateField Buffer/Index Op=%p\n", Op));
 604 
 605             Status = AcpiDsLoad2EndOp (WalkState);
 606             if (ACPI_FAILURE (Status))
 607             {
 608                 break;
 609             }
 610 
 611             Status = AcpiDsEvalBufferFieldOperands (WalkState, Op);
 612             break;
 613 
 614 
 615         case AML_TYPE_CREATE_OBJECT:
 616 
 617             ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
 618                 "Executing CreateObject (Buffer/Package) Op=%p\n", Op));
 619 
 620             switch (Op->Common.Parent->Common.AmlOpcode)
 621             {
 622             case AML_NAME_OP:
 623 
 624                 /*
 625                  * Put the Node on the object stack (Contains the ACPI Name
 626                  * of this object)
 627                  */
 628                 WalkState->Operands[0] = (void *) Op->Common.Parent->Common.Node;
 629                 WalkState->NumOperands = 1;
 630 
 631                 Status = AcpiDsCreateNode (WalkState,
 632                             Op->Common.Parent->Common.Node,
 633                             Op->Common.Parent);
 634                 if (ACPI_FAILURE (Status))
 635                 {
 636                     break;
 637                 }
 638 
 639                 /* Fall through */
 640                 /*lint -fallthrough */
 641 
 642             case AML_INT_EVAL_SUBTREE_OP:
 643 
 644                 Status = AcpiDsEvalDataObjectOperands (WalkState, Op,
 645                             AcpiNsGetAttachedObject (Op->Common.Parent->Common.Node));
 646                 break;
 647 
 648             default:
 649 
 650                 Status = AcpiDsEvalDataObjectOperands (WalkState, Op, NULL);
 651                 break;
 652             }
 653 
 654             /*
 655              * If a result object was returned from above, push it on the
 656              * current result stack
 657              */
 658             if (WalkState->ResultObj)
 659             {
 660                 Status = AcpiDsResultPush (WalkState->ResultObj, WalkState);
 661             }
 662             break;
 663 
 664 
 665         case AML_TYPE_NAMED_FIELD:
 666         case AML_TYPE_NAMED_COMPLEX:
 667         case AML_TYPE_NAMED_SIMPLE:
 668         case AML_TYPE_NAMED_NO_OBJ:
 669 
 670             Status = AcpiDsLoad2EndOp (WalkState);
 671             if (ACPI_FAILURE (Status))
 672             {
 673                 break;
 674             }
 675 
 676             if (Op->Common.AmlOpcode == AML_REGION_OP)
 677             {
 678                 ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
 679                     "Executing OpRegion Address/Length Op=%p\n", Op));
 680 
 681                 Status = AcpiDsEvalRegionOperands (WalkState, Op);
 682                 if (ACPI_FAILURE (Status))
 683                 {
 684                     break;


 691 
 692                 Status = AcpiDsEvalTableRegionOperands (WalkState, Op);
 693                 if (ACPI_FAILURE (Status))
 694                 {
 695                     break;
 696                 }
 697             }
 698             else if (Op->Common.AmlOpcode == AML_BANK_FIELD_OP)
 699             {
 700                 ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
 701                     "Executing BankField Op=%p\n", Op));
 702 
 703                 Status = AcpiDsEvalBankFieldOperands (WalkState, Op);
 704                 if (ACPI_FAILURE (Status))
 705                 {
 706                     break;
 707                 }
 708             }
 709             break;
 710 
 711 
 712         case AML_TYPE_UNDEFINED:
 713 
 714             ACPI_ERROR ((AE_INFO,
 715                 "Undefined opcode type Op=%p", Op));
 716             return_ACPI_STATUS (AE_NOT_IMPLEMENTED);
 717 
 718 
 719         case AML_TYPE_BOGUS:
 720 
 721             ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH,
 722                 "Internal opcode=%X type Op=%p\n",
 723                 WalkState->Opcode, Op));
 724             break;
 725 
 726 
 727         default:
 728 
 729             ACPI_ERROR ((AE_INFO,
 730                 "Unimplemented opcode, class=0x%X type=0x%X Opcode=-0x%X Op=%p",
 731                 OpClass, OpType, Op->Common.AmlOpcode, Op));
 732 
 733             Status = AE_NOT_IMPLEMENTED;
 734             break;
 735         }
 736     }
 737 
 738     /*
 739      * ACPI 2.0 support for 64-bit integers: Truncate numeric
 740      * result value if we are executing from a 32-bit ACPI table
 741      */
 742     AcpiExTruncateFor32bitTable (WalkState->ResultObj);
 743 
 744     /*
 745      * Check if we just completed the evaluation of a
 746      * conditional predicate
 747      */
 748     if ((ACPI_SUCCESS (Status)) &&
 749         (WalkState->ControlState) &&
 750         (WalkState->ControlState->Common.State ==
 751             ACPI_CONTROL_PREDICATE_EXECUTING) &&
 752         (WalkState->ControlState->Control.PredicateOp == Op))
 753     {
 754         Status = AcpiDsGetPredicateValue (WalkState, WalkState->ResultObj);
 755         WalkState->ResultObj = NULL;
 756     }
 757 
 758 
 759 Cleanup:
 760 
 761     if (WalkState->ResultObj)
 762     {


 776 #ifdef _UNDER_DEVELOPMENT
 777 
 778     if (WalkState->ParserState.Aml == WalkState->ParserState.AmlEnd)
 779     {
 780         AcpiDbMethodEnd (WalkState);
 781     }
 782 #endif
 783 
 784     /* Invoke exception handler on error */
 785 
 786     if (ACPI_FAILURE (Status))
 787     {
 788         Status = AcpiDsMethodError (Status, WalkState);
 789     }
 790 
 791     /* Always clear the object stack */
 792 
 793     WalkState->NumOperands = 0;
 794     return_ACPI_STATUS (Status);
 795 }
 796 
 797 
   1 /******************************************************************************
   2  *
   3  * Module Name: dswexec - Dispatcher method execution callbacks;
   4  *                        dispatch to interpreter.
   5  *
   6  *****************************************************************************/
   7 
   8 /*
   9  * Copyright (C) 2000 - 2014, Intel Corp.
  10  * All rights reserved.
  11  *
  12  * Redistribution and use in source and binary forms, with or without
  13  * modification, are permitted provided that the following conditions
  14  * are met:
  15  * 1. Redistributions of source code must retain the above copyright
  16  *    notice, this list of conditions, and the following disclaimer,
  17  *    without modification.
  18  * 2. Redistributions in binary form must reproduce at minimum a disclaimer
  19  *    substantially similar to the "NO WARRANTY" disclaimer below
  20  *    ("Disclaimer") and any redistribution must be conditioned upon
  21  *    including a substantially similar Disclaimer requirement for further
  22  *    binary redistribution.
  23  * 3. Neither the names of the above-listed copyright holders nor the names
  24  *    of any contributors may be used to endorse or promote products derived
  25  *    from this software without specific prior written permission.
  26  *
  27  * Alternatively, this software may be distributed under the terms of the
  28  * GNU General Public License ("GPL") version 2 as published by the Free
  29  * Software Foundation.


 147      * object. Implicitly convert the argument if necessary.
 148      */
 149     Status = AcpiExConvertToInteger (ObjDesc, &LocalObjDesc, 16);
 150     if (ACPI_FAILURE (Status))
 151     {
 152         goto Cleanup;
 153     }
 154 
 155     if (LocalObjDesc->Common.Type != ACPI_TYPE_INTEGER)
 156     {
 157         ACPI_ERROR ((AE_INFO,
 158             "Bad predicate (not an integer) ObjDesc=%p State=%p Type=0x%X",
 159             ObjDesc, WalkState, ObjDesc->Common.Type));
 160 
 161         Status = AE_AML_OPERAND_TYPE;
 162         goto Cleanup;
 163     }
 164 
 165     /* Truncate the predicate to 32-bits if necessary */
 166 
 167     (void) AcpiExTruncateFor32bitTable (LocalObjDesc);
 168 
 169     /*
 170      * Save the result of the predicate evaluation on
 171      * the control stack
 172      */
 173     if (LocalObjDesc->Integer.Value)
 174     {
 175         WalkState->ControlState->Common.Value = TRUE;
 176     }
 177     else
 178     {
 179         /*
 180          * Predicate is FALSE, we will just toss the
 181          * rest of the package
 182          */
 183         WalkState->ControlState->Common.Value = FALSE;
 184         Status = AE_CTRL_FALSE;
 185     }
 186 
 187     /* Predicate can be used for an implicit return value */


 301 
 302     OpcodeClass = WalkState->OpInfo->Class;
 303 
 304     /* We want to send namepaths to the load code */
 305 
 306     if (Op->Common.AmlOpcode == AML_INT_NAMEPATH_OP)
 307     {
 308         OpcodeClass = AML_CLASS_NAMED_OBJECT;
 309     }
 310 
 311     /*
 312      * Handle the opcode based upon the opcode type
 313      */
 314     switch (OpcodeClass)
 315     {
 316     case AML_CLASS_CONTROL:
 317 
 318         Status = AcpiDsExecBeginControlOp (WalkState, Op);
 319         break;
 320 

 321     case AML_CLASS_NAMED_OBJECT:
 322 
 323         if (WalkState->WalkType & ACPI_WALK_METHOD)
 324         {
 325             /*
 326              * Found a named object declaration during method execution;
 327              * we must enter this object into the namespace. The created
 328              * object is temporary and will be deleted upon completion of
 329              * the execution of this method.
 330              *
 331              * Note 10/2010: Except for the Scope() op. This opcode does
 332              * not actually create a new object, it refers to an existing
 333              * object. However, for Scope(), we want to indeed open a
 334              * new scope.
 335              */
 336             if (Op->Common.AmlOpcode != AML_SCOPE_OP)
 337             {
 338                 Status = AcpiDsLoad2BeginOp (WalkState, NULL);
 339             }
 340             else
 341             {
 342                 Status = AcpiDsScopeStackPush (Op->Named.Node,
 343                             Op->Named.Node->Type, WalkState);
 344                 if (ACPI_FAILURE (Status))
 345                 {
 346                     return_ACPI_STATUS (Status);
 347                 }
 348             }
 349         }
 350         break;
 351 

 352     case AML_CLASS_EXECUTE:
 353     case AML_CLASS_CREATE:
 354 
 355         break;
 356 

 357     default:
 358 
 359         break;
 360     }
 361 
 362     /* Nothing to do here during method execution */
 363 
 364     return_ACPI_STATUS (Status);
 365 
 366 
 367 ErrorExit:
 368     Status = AcpiDsMethodError (Status, WalkState);
 369     return_ACPI_STATUS (Status);
 370 }
 371 
 372 
 373 /*****************************************************************************
 374  *
 375  * FUNCTION:    AcpiDsExecEndOp
 376  *
 377  * PARAMETERS:  WalkState       - Current state of the parse tree walk
 378  *


 422 
 423     ACPI_DEBUGGER_EXEC (Status = AcpiDbSingleStep (WalkState, Op, OpClass));
 424     ACPI_DEBUGGER_EXEC (if (ACPI_FAILURE (Status)) {return_ACPI_STATUS (Status);});
 425 
 426     /* Decode the Opcode Class */
 427 
 428     switch (OpClass)
 429     {
 430     case AML_CLASS_ARGUMENT:    /* Constants, literals, etc. */
 431 
 432         if (WalkState->Opcode == AML_INT_NAMEPATH_OP)
 433         {
 434             Status = AcpiDsEvaluateNamePath (WalkState);
 435             if (ACPI_FAILURE (Status))
 436             {
 437                 goto Cleanup;
 438             }
 439         }
 440         break;
 441 

 442     case AML_CLASS_EXECUTE:     /* Most operators with arguments */
 443 
 444         /* Build resolved operand stack */
 445 
 446         Status = AcpiDsCreateOperands (WalkState, FirstArg);
 447         if (ACPI_FAILURE (Status))
 448         {
 449             goto Cleanup;
 450         }
 451 
 452         /*
 453          * All opcodes require operand resolution, with the only exceptions
 454          * being the ObjectType and SizeOf operators.
 455          */
 456         if (!(WalkState->OpInfo->Flags & AML_NO_OPERAND_RESOLVE))
 457         {
 458             /* Resolve all operands */
 459 
 460             Status = AcpiExResolveOperands (WalkState->Opcode,
 461                         &(WalkState->Operands [WalkState->NumOperands -1]),


 494                     "While resolving operands for [%s]",
 495                     AcpiPsGetOpcodeName (WalkState->Opcode)));
 496             }
 497         }
 498 
 499         /* Always delete the argument objects and clear the operand stack */
 500 
 501         AcpiDsClearOperands (WalkState);
 502 
 503         /*
 504          * If a result object was returned from above, push it on the
 505          * current result stack
 506          */
 507         if (ACPI_SUCCESS (Status) &&
 508             WalkState->ResultObj)
 509         {
 510             Status = AcpiDsResultPush (WalkState->ResultObj, WalkState);
 511         }
 512         break;
 513 

 514     default:
 515 
 516         switch (OpType)
 517         {
 518         case AML_TYPE_CONTROL:    /* Type 1 opcode, IF/ELSE/WHILE/NOOP */
 519 
 520             /* 1 Operand, 0 ExternalResult, 0 InternalResult */
 521 
 522             Status = AcpiDsExecEndControlOp (WalkState, Op);
 523 
 524             break;
 525 

 526         case AML_TYPE_METHOD_CALL:

 527             /*
 528              * If the method is referenced from within a package
 529              * declaration, it is not a invocation of the method, just
 530              * a reference to it.
 531              */
 532             if ((Op->Asl.Parent) &&
 533                ((Op->Asl.Parent->Asl.AmlOpcode == AML_PACKAGE_OP) ||
 534                 (Op->Asl.Parent->Asl.AmlOpcode == AML_VAR_PACKAGE_OP)))
 535             {
 536                 ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH,
 537                     "Method Reference in a Package, Op=%p\n", Op));
 538 
 539                 Op->Common.Node = (ACPI_NAMESPACE_NODE *) Op->Asl.Value.Arg->Asl.Node;
 540                 AcpiUtAddReference (Op->Asl.Value.Arg->Asl.Node->Object);
 541                 return_ACPI_STATUS (AE_OK);
 542             }
 543 
 544             ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH,
 545                 "Method invocation, Op=%p\n", Op));
 546 
 547             /*
 548              * (AML_METHODCALL) Op->Asl.Value.Arg->Asl.Node contains
 549              * the method Node pointer
 550              */
 551             /* NextOp points to the op that holds the method name */
 552 
 553             NextOp = FirstArg;
 554 
 555             /* NextOp points to first argument op */
 556 
 557             NextOp = NextOp->Common.Next;
 558 
 559             /*
 560              * Get the method's arguments and put them on the operand stack
 561              */
 562             Status = AcpiDsCreateOperands (WalkState, NextOp);
 563             if (ACPI_FAILURE (Status))
 564             {
 565                 break;


 574             if (ACPI_FAILURE (Status))
 575             {
 576                 /* On error, clear all resolved operands */
 577 
 578                 AcpiDsClearOperands (WalkState);
 579                 break;
 580             }
 581 
 582             /*
 583              * Tell the walk loop to preempt this running method and
 584              * execute the new method
 585              */
 586             Status = AE_CTRL_TRANSFER;
 587 
 588             /*
 589              * Return now; we don't want to disturb anything,
 590              * especially the operand count!
 591              */
 592             return_ACPI_STATUS (Status);
 593 

 594         case AML_TYPE_CREATE_FIELD:
 595 
 596             ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
 597                 "Executing CreateField Buffer/Index Op=%p\n", Op));
 598 
 599             Status = AcpiDsLoad2EndOp (WalkState);
 600             if (ACPI_FAILURE (Status))
 601             {
 602                 break;
 603             }
 604 
 605             Status = AcpiDsEvalBufferFieldOperands (WalkState, Op);
 606             break;
 607 
 608 
 609         case AML_TYPE_CREATE_OBJECT:
 610 
 611             ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
 612                 "Executing CreateObject (Buffer/Package) Op=%p\n", Op));
 613 
 614             switch (Op->Common.Parent->Common.AmlOpcode)
 615             {
 616             case AML_NAME_OP:

 617                 /*
 618                  * Put the Node on the object stack (Contains the ACPI Name
 619                  * of this object)
 620                  */
 621                 WalkState->Operands[0] = (void *) Op->Common.Parent->Common.Node;
 622                 WalkState->NumOperands = 1;
 623 
 624                 Status = AcpiDsCreateNode (WalkState,
 625                             Op->Common.Parent->Common.Node,
 626                             Op->Common.Parent);
 627                 if (ACPI_FAILURE (Status))
 628                 {
 629                     break;
 630                 }
 631 
 632                 /* Fall through */
 633                 /*lint -fallthrough */
 634 
 635             case AML_INT_EVAL_SUBTREE_OP:
 636 
 637                 Status = AcpiDsEvalDataObjectOperands (WalkState, Op,
 638                             AcpiNsGetAttachedObject (Op->Common.Parent->Common.Node));
 639                 break;
 640 
 641             default:
 642 
 643                 Status = AcpiDsEvalDataObjectOperands (WalkState, Op, NULL);
 644                 break;
 645             }
 646 
 647             /*
 648              * If a result object was returned from above, push it on the
 649              * current result stack
 650              */
 651             if (WalkState->ResultObj)
 652             {
 653                 Status = AcpiDsResultPush (WalkState->ResultObj, WalkState);
 654             }
 655             break;
 656 

 657         case AML_TYPE_NAMED_FIELD:
 658         case AML_TYPE_NAMED_COMPLEX:
 659         case AML_TYPE_NAMED_SIMPLE:
 660         case AML_TYPE_NAMED_NO_OBJ:
 661 
 662             Status = AcpiDsLoad2EndOp (WalkState);
 663             if (ACPI_FAILURE (Status))
 664             {
 665                 break;
 666             }
 667 
 668             if (Op->Common.AmlOpcode == AML_REGION_OP)
 669             {
 670                 ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
 671                     "Executing OpRegion Address/Length Op=%p\n", Op));
 672 
 673                 Status = AcpiDsEvalRegionOperands (WalkState, Op);
 674                 if (ACPI_FAILURE (Status))
 675                 {
 676                     break;


 683 
 684                 Status = AcpiDsEvalTableRegionOperands (WalkState, Op);
 685                 if (ACPI_FAILURE (Status))
 686                 {
 687                     break;
 688                 }
 689             }
 690             else if (Op->Common.AmlOpcode == AML_BANK_FIELD_OP)
 691             {
 692                 ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
 693                     "Executing BankField Op=%p\n", Op));
 694 
 695                 Status = AcpiDsEvalBankFieldOperands (WalkState, Op);
 696                 if (ACPI_FAILURE (Status))
 697                 {
 698                     break;
 699                 }
 700             }
 701             break;
 702 

 703         case AML_TYPE_UNDEFINED:
 704 
 705             ACPI_ERROR ((AE_INFO,
 706                 "Undefined opcode type Op=%p", Op));
 707             return_ACPI_STATUS (AE_NOT_IMPLEMENTED);
 708 

 709         case AML_TYPE_BOGUS:
 710 
 711             ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH,
 712                 "Internal opcode=%X type Op=%p\n",
 713                 WalkState->Opcode, Op));
 714             break;
 715 

 716         default:
 717 
 718             ACPI_ERROR ((AE_INFO,
 719                 "Unimplemented opcode, class=0x%X type=0x%X Opcode=0x%X Op=%p",
 720                 OpClass, OpType, Op->Common.AmlOpcode, Op));
 721 
 722             Status = AE_NOT_IMPLEMENTED;
 723             break;
 724         }
 725     }
 726 
 727     /*
 728      * ACPI 2.0 support for 64-bit integers: Truncate numeric
 729      * result value if we are executing from a 32-bit ACPI table
 730      */
 731     (void) AcpiExTruncateFor32bitTable (WalkState->ResultObj);
 732 
 733     /*
 734      * Check if we just completed the evaluation of a
 735      * conditional predicate
 736      */
 737     if ((ACPI_SUCCESS (Status)) &&
 738         (WalkState->ControlState) &&
 739         (WalkState->ControlState->Common.State ==
 740             ACPI_CONTROL_PREDICATE_EXECUTING) &&
 741         (WalkState->ControlState->Control.PredicateOp == Op))
 742     {
 743         Status = AcpiDsGetPredicateValue (WalkState, WalkState->ResultObj);
 744         WalkState->ResultObj = NULL;
 745     }
 746 
 747 
 748 Cleanup:
 749 
 750     if (WalkState->ResultObj)
 751     {


 765 #ifdef _UNDER_DEVELOPMENT
 766 
 767     if (WalkState->ParserState.Aml == WalkState->ParserState.AmlEnd)
 768     {
 769         AcpiDbMethodEnd (WalkState);
 770     }
 771 #endif
 772 
 773     /* Invoke exception handler on error */
 774 
 775     if (ACPI_FAILURE (Status))
 776     {
 777         Status = AcpiDsMethodError (Status, WalkState);
 778     }
 779 
 780     /* Always clear the object stack */
 781 
 782     WalkState->NumOperands = 0;
 783     return_ACPI_STATUS (Status);
 784 }