1 /******************************************************************************
3 * Module Name: dswexec - Dispatcher method execution callbacks;
4 * dispatch to interpreter.
7 *****************************************************************************/
9 /******************************************************************************
13 * Some or all of this work - Copyright (c) 1999 - 2005, Intel Corp.
14 * All rights reserved.
18 * 2.1. This is your license from Intel Corp. under its intellectual property
19 * rights. You may have additional license terms from the party that provided
20 * you this software, covering your right to use that party's intellectual
23 * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
24 * copy of the source code appearing in this file ("Covered Code") an
25 * irrevocable, perpetual, worldwide license under Intel's copyrights in the
26 * base code distributed originally by Intel ("Original Intel Code") to copy,
27 * make derivatives, distribute, use and display any portion of the Covered
28 * Code in any form, with the right to sublicense such rights; and
30 * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
31 * license (with the right to sublicense), under only those claims of Intel
32 * patents that are infringed by the Original Intel Code, to make, use, sell,
33 * offer to sell, and import the Covered Code and derivative works thereof
34 * solely to the minimum extent necessary to exercise the above copyright
35 * license, and in no event shall the patent license extend to any additions
36 * to or modifications of the Original Intel Code. No other license or right
37 * is granted directly or by implication, estoppel or otherwise;
39 * The above copyright and patent license is granted only if the following
44 * 3.1. Redistribution of Source with Rights to Further Distribute Source.
45 * Redistribution of source code of any substantial portion of the Covered
46 * Code or modification with rights to further distribute source must include
47 * the above Copyright Notice, the above License, this list of Conditions,
48 * and the following Disclaimer and Export Compliance provision. In addition,
49 * Licensee must cause all Covered Code to which Licensee contributes to
50 * contain a file documenting the changes Licensee made to create that Covered
51 * Code and the date of any change. Licensee must include in that file the
52 * documentation of any changes made by any predecessor Licensee. Licensee
53 * must include a prominent statement that the modification is derived,
54 * directly or indirectly, from Original Intel Code.
56 * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
57 * Redistribution of source code of any substantial portion of the Covered
58 * Code or modification without rights to further distribute source must
59 * include the following Disclaimer and Export Compliance provision in the
60 * documentation and/or other materials provided with distribution. In
61 * addition, Licensee may not authorize further sublicense of source of any
62 * portion of the Covered Code, and must include terms to the effect that the
63 * license from Licensee to its licensee is limited to the intellectual
64 * property embodied in the software Licensee provides to its licensee, and
65 * not to intellectual property embodied in modifications its licensee may
68 * 3.3. Redistribution of Executable. Redistribution in executable form of any
69 * substantial portion of the Covered Code or modification must reproduce the
70 * above Copyright Notice, and the following Disclaimer and Export Compliance
71 * provision in the documentation and/or other materials provided with the
74 * 3.4. Intel retains all right, title, and interest in and to the Original
77 * 3.5. Neither the name Intel nor any other trademark owned or controlled by
78 * Intel shall be used in advertising or otherwise to promote the sale, use or
79 * other dealings in products derived from or relating to the Covered Code
80 * without prior written authorization from Intel.
82 * 4. Disclaimer and Export Compliance
84 * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
85 * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
86 * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE,
87 * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY
88 * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY
89 * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
92 * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
93 * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
94 * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
95 * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
96 * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
97 * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS
98 * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
101 * 4.3. Licensee shall not export, either directly or indirectly, any of this
102 * software or system incorporating such software without first obtaining any
103 * required license or other approval from the U. S. Department of Commerce or
104 * any other agency or department of the United States Government. In the
105 * event Licensee exports any such software from the United States or
106 * re-exports any such software from a foreign destination, Licensee shall
107 * ensure that the distribution and export/re-export of the software is in
108 * compliance with all laws, regulations, orders, or other restrictions of the
109 * U.S. Export Administration Regulations. Licensee agrees that neither it nor
110 * any of its subsidiaries will export/re-export any technical data, process,
111 * software, or service, directly or indirectly, to any country for which the
112 * United States government or any agency thereof requires an export license,
113 * other governmental approval, or letter of assurance, without first obtaining
114 * such license, approval or letter.
116 *****************************************************************************/
118 #define __DSWEXEC_C__
121 #include "acparser.h"
123 #include "acdispat.h"
124 #include "acinterp.h"
125 #include "acnamesp.h"
127 #include "acdisasm.h"
130 #define _COMPONENT ACPI_DISPATCHER
131 ACPI_MODULE_NAME ("dswexec")
134 * Dispatch table for opcode classes
136 static ACPI_EXECUTE_OP AcpiGbl_OpTypeDispatch
[] = {
137 AcpiExOpcode_0A_0T_1R
,
138 AcpiExOpcode_1A_0T_0R
,
139 AcpiExOpcode_1A_0T_1R
,
140 AcpiExOpcode_1A_1T_0R
,
141 AcpiExOpcode_1A_1T_1R
,
142 AcpiExOpcode_2A_0T_0R
,
143 AcpiExOpcode_2A_0T_1R
,
144 AcpiExOpcode_2A_1T_1R
,
145 AcpiExOpcode_2A_2T_1R
,
146 AcpiExOpcode_3A_0T_0R
,
147 AcpiExOpcode_3A_1T_1R
,
148 AcpiExOpcode_6A_0T_1R
};
150 /*****************************************************************************
152 * FUNCTION: AcpiDsGetPredicateValue
154 * PARAMETERS: WalkState - Current state of the parse tree walk
158 * DESCRIPTION: Get the result of a predicate evaluation
160 ****************************************************************************/
163 AcpiDsGetPredicateValue (
164 ACPI_WALK_STATE
*WalkState
,
165 ACPI_OPERAND_OBJECT
*ResultObj
)
167 ACPI_STATUS Status
= AE_OK
;
168 ACPI_OPERAND_OBJECT
*ObjDesc
;
169 ACPI_OPERAND_OBJECT
*LocalObjDesc
= NULL
;
172 ACPI_FUNCTION_TRACE_PTR ("DsGetPredicateValue", WalkState
);
175 WalkState
->ControlState
->Common
.State
= 0;
179 Status
= AcpiDsResultPop (&ObjDesc
, WalkState
);
180 if (ACPI_FAILURE (Status
))
182 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR
,
183 "Could not get result from predicate evaluation, %s\n",
184 AcpiFormatException (Status
)));
186 return_ACPI_STATUS (Status
);
191 Status
= AcpiDsCreateOperand (WalkState
, WalkState
->Op
, 0);
192 if (ACPI_FAILURE (Status
))
194 return_ACPI_STATUS (Status
);
197 Status
= AcpiExResolveToValue (&WalkState
->Operands
[0], WalkState
);
198 if (ACPI_FAILURE (Status
))
200 return_ACPI_STATUS (Status
);
203 ObjDesc
= WalkState
->Operands
[0];
208 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR
, "No predicate ObjDesc=%p State=%p\n",
209 ObjDesc
, WalkState
));
211 return_ACPI_STATUS (AE_AML_NO_OPERAND
);
215 * Result of predicate evaluation must be an Integer
216 * object. Implicitly convert the argument if necessary.
218 Status
= AcpiExConvertToInteger (ObjDesc
, &LocalObjDesc
, 16);
219 if (ACPI_FAILURE (Status
))
224 if (ACPI_GET_OBJECT_TYPE (LocalObjDesc
) != ACPI_TYPE_INTEGER
)
226 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR
,
227 "Bad predicate (not an integer) ObjDesc=%p State=%p Type=%X\n",
228 ObjDesc
, WalkState
, ACPI_GET_OBJECT_TYPE (ObjDesc
)));
230 Status
= AE_AML_OPERAND_TYPE
;
234 /* Truncate the predicate to 32-bits if necessary */
236 AcpiExTruncateFor32bitTable (LocalObjDesc
);
239 * Save the result of the predicate evaluation on
242 if (LocalObjDesc
->Integer
.Value
)
244 WalkState
->ControlState
->Common
.Value
= TRUE
;
249 * Predicate is FALSE, we will just toss the
250 * rest of the package
252 WalkState
->ControlState
->Common
.Value
= FALSE
;
253 Status
= AE_CTRL_FALSE
;
259 ACPI_DEBUG_PRINT ((ACPI_DB_EXEC
, "Completed a predicate eval=%X Op=%p\n",
260 WalkState
->ControlState
->Common
.Value
, WalkState
->Op
));
262 /* Break to debugger to display result */
264 ACPI_DEBUGGER_EXEC (AcpiDbDisplayResultObject (LocalObjDesc
, WalkState
));
267 * Delete the predicate result object (we know that
268 * we don't need it anymore)
270 if (LocalObjDesc
!= ObjDesc
)
272 AcpiUtRemoveReference (LocalObjDesc
);
274 AcpiUtRemoveReference (ObjDesc
);
276 WalkState
->ControlState
->Common
.State
= ACPI_CONTROL_NORMAL
;
277 return_ACPI_STATUS (Status
);
281 /*****************************************************************************
283 * FUNCTION: AcpiDsExecBeginOp
285 * PARAMETERS: WalkState - Current state of the parse tree walk
286 * OutOp - Return op if a new one is created
290 * DESCRIPTION: Descending callback used during the execution of control
291 * methods. This is where most operators and operands are
292 * dispatched to the interpreter.
294 ****************************************************************************/
298 ACPI_WALK_STATE
*WalkState
,
299 ACPI_PARSE_OBJECT
**OutOp
)
301 ACPI_PARSE_OBJECT
*Op
;
302 ACPI_STATUS Status
= AE_OK
;
306 ACPI_FUNCTION_TRACE_PTR ("DsExecBeginOp", WalkState
);
312 Status
= AcpiDsLoad2BeginOp (WalkState
, OutOp
);
313 if (ACPI_FAILURE (Status
))
315 return_ACPI_STATUS (Status
);
320 WalkState
->Opcode
= Op
->Common
.AmlOpcode
;
321 WalkState
->OpInfo
= AcpiPsGetOpcodeInfo (Op
->Common
.AmlOpcode
);
323 if (AcpiNsOpensScope (WalkState
->OpInfo
->ObjectType
))
325 ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH
, "(%s) Popping scope for Op %p\n",
326 AcpiUtGetTypeName (WalkState
->OpInfo
->ObjectType
), Op
));
328 Status
= AcpiDsScopeStackPop (WalkState
);
329 if (ACPI_FAILURE (Status
))
331 return_ACPI_STATUS (Status
);
336 if (Op
== WalkState
->Origin
)
343 return_ACPI_STATUS (AE_OK
);
347 * If the previous opcode was a conditional, this opcode
348 * must be the beginning of the associated predicate.
349 * Save this knowledge in the current scope descriptor
351 if ((WalkState
->ControlState
) &&
352 (WalkState
->ControlState
->Common
.State
==
353 ACPI_CONTROL_CONDITIONAL_EXECUTING
))
355 ACPI_DEBUG_PRINT ((ACPI_DB_EXEC
, "Exec predicate Op=%p State=%p\n",
358 WalkState
->ControlState
->Common
.State
= ACPI_CONTROL_PREDICATE_EXECUTING
;
360 /* Save start of predicate */
362 WalkState
->ControlState
->Control
.PredicateOp
= Op
;
366 OpcodeClass
= WalkState
->OpInfo
->Class
;
368 /* We want to send namepaths to the load code */
370 if (Op
->Common
.AmlOpcode
== AML_INT_NAMEPATH_OP
)
372 OpcodeClass
= AML_CLASS_NAMED_OBJECT
;
376 * Handle the opcode based upon the opcode type
380 case AML_CLASS_CONTROL
:
382 Status
= AcpiDsResultStackPush (WalkState
);
383 if (ACPI_FAILURE (Status
))
385 return_ACPI_STATUS (Status
);
388 Status
= AcpiDsExecBeginControlOp (WalkState
, Op
);
392 case AML_CLASS_NAMED_OBJECT
:
394 if (WalkState
->WalkType
== ACPI_WALK_METHOD
)
397 * Found a named object declaration during method
398 * execution; we must enter this object into the
399 * namespace. The created object is temporary and
400 * will be deleted upon completion of the execution
403 Status
= AcpiDsLoad2BeginOp (WalkState
, NULL
);
406 if (Op
->Common
.AmlOpcode
== AML_REGION_OP
)
408 Status
= AcpiDsResultStackPush (WalkState
);
413 case AML_CLASS_EXECUTE
:
414 case AML_CLASS_CREATE
:
417 * Most operators with arguments.
418 * Start a new result/operand state
420 Status
= AcpiDsResultStackPush (WalkState
);
428 /* Nothing to do here during method execution */
430 return_ACPI_STATUS (Status
);
434 /*****************************************************************************
436 * FUNCTION: AcpiDsExecEndOp
438 * PARAMETERS: WalkState - Current state of the parse tree walk
439 * Op - Op that has been just been completed in the
440 * walk; Arguments have now been evaluated.
444 * DESCRIPTION: Ascending callback used during the execution of control
445 * methods. The only thing we really need to do here is to
446 * notice the beginning of IF, ELSE, and WHILE blocks.
448 ****************************************************************************/
452 ACPI_WALK_STATE
*WalkState
)
454 ACPI_PARSE_OBJECT
*Op
;
455 ACPI_STATUS Status
= AE_OK
;
458 ACPI_PARSE_OBJECT
*NextOp
;
459 ACPI_PARSE_OBJECT
*FirstArg
;
462 ACPI_FUNCTION_TRACE_PTR ("DsExecEndOp", WalkState
);
466 OpType
= WalkState
->OpInfo
->Type
;
467 OpClass
= WalkState
->OpInfo
->Class
;
469 if (OpClass
== AML_CLASS_UNKNOWN
)
471 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR
, "Unknown opcode %X\n", Op
->Common
.AmlOpcode
));
472 return_ACPI_STATUS (AE_NOT_IMPLEMENTED
);
475 FirstArg
= Op
->Common
.Value
.Arg
;
477 /* Init the walk state */
479 WalkState
->NumOperands
= 0;
480 WalkState
->ReturnDesc
= NULL
;
481 WalkState
->ResultObj
= NULL
;
483 /* Call debugger for single step support (DEBUG build only) */
485 ACPI_DEBUGGER_EXEC (Status
= AcpiDbSingleStep (WalkState
, Op
, OpClass
));
486 ACPI_DEBUGGER_EXEC (if (ACPI_FAILURE (Status
)) {return_ACPI_STATUS (Status
);});
488 /* Decode the Opcode Class */
492 case AML_CLASS_ARGUMENT
: /* constants, literals, etc. -- do nothing */
496 case AML_CLASS_EXECUTE
: /* most operators with arguments */
498 /* Build resolved operand stack */
500 Status
= AcpiDsCreateOperands (WalkState
, FirstArg
);
501 if (ACPI_FAILURE (Status
))
506 /* Done with this result state (Now that operand stack is built) */
508 Status
= AcpiDsResultStackPop (WalkState
);
509 if (ACPI_FAILURE (Status
))
515 * All opcodes require operand resolution, with the only exceptions
516 * being the ObjectType and SizeOf operators.
518 if (!(WalkState
->OpInfo
->Flags
& AML_NO_OPERAND_RESOLVE
))
520 /* Resolve all operands */
522 Status
= AcpiExResolveOperands (WalkState
->Opcode
,
523 &(WalkState
->Operands
[WalkState
->NumOperands
-1]),
525 if (ACPI_SUCCESS (Status
))
527 ACPI_DUMP_OPERANDS (ACPI_WALK_OPERANDS
, ACPI_IMODE_EXECUTE
,
528 AcpiPsGetOpcodeName (WalkState
->Opcode
),
529 WalkState
->NumOperands
, "after ExResolveOperands");
533 if (ACPI_SUCCESS (Status
))
536 * Dispatch the request to the appropriate interpreter handler
537 * routine. There is one routine per opcode "type" based upon the
538 * number of opcode arguments and return type.
540 Status
= AcpiGbl_OpTypeDispatch
[OpType
] (WalkState
);
545 * Treat constructs of the form "Store(LocalX,LocalX)" as noops when the
546 * Local is uninitialized.
548 if ((Status
== AE_AML_UNINITIALIZED_LOCAL
) &&
549 (WalkState
->Opcode
== AML_STORE_OP
) &&
550 (WalkState
->Operands
[0]->Common
.Type
== ACPI_TYPE_LOCAL_REFERENCE
) &&
551 (WalkState
->Operands
[1]->Common
.Type
== ACPI_TYPE_LOCAL_REFERENCE
) &&
552 (WalkState
->Operands
[0]->Reference
.Opcode
==
553 WalkState
->Operands
[1]->Reference
.Opcode
) &&
554 (WalkState
->Operands
[0]->Reference
.Offset
==
555 WalkState
->Operands
[1]->Reference
.Offset
))
561 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR
,
562 "[%s]: Could not resolve operands, %s\n",
563 AcpiPsGetOpcodeName (WalkState
->Opcode
),
564 AcpiFormatException (Status
)));
568 /* Always delete the argument objects and clear the operand stack */
570 AcpiDsClearOperands (WalkState
);
573 * If a result object was returned from above, push it on the
574 * current result stack
576 if (ACPI_SUCCESS (Status
) &&
577 WalkState
->ResultObj
)
579 Status
= AcpiDsResultPush (WalkState
->ResultObj
, WalkState
);
589 case AML_TYPE_CONTROL
: /* Type 1 opcode, IF/ELSE/WHILE/NOOP */
591 /* 1 Operand, 0 ExternalResult, 0 InternalResult */
593 Status
= AcpiDsExecEndControlOp (WalkState
, Op
);
595 /* Make sure to properly pop the result stack */
597 if (ACPI_SUCCESS (Status
))
599 Status
= AcpiDsResultStackPop (WalkState
);
601 else if (Status
== AE_CTRL_PENDING
)
603 Status
= AcpiDsResultStackPop (WalkState
);
604 if (ACPI_SUCCESS (Status
))
606 Status
= AE_CTRL_PENDING
;
612 case AML_TYPE_METHOD_CALL
:
615 * If the method is referenced from within a package
616 * declaration, it is not a invocation of the method, just
619 if ((Op
->Asl
.Parent
) &&
620 ((Op
->Asl
.Parent
->Asl
.AmlOpcode
== AML_PACKAGE_OP
) ||
621 (Op
->Asl
.Parent
->Asl
.AmlOpcode
== AML_VAR_PACKAGE_OP
)))
623 ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH
, "Method Reference in a Package, Op=%p\n", Op
));
624 Op
->Common
.Node
= (ACPI_NAMESPACE_NODE
*) Op
->Asl
.Value
.Arg
->Asl
.Node
->Object
;
625 AcpiUtAddReference (Op
->Asl
.Value
.Arg
->Asl
.Node
->Object
);
626 return_ACPI_STATUS (AE_OK
);
629 ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH
, "Method invocation, Op=%p\n", Op
));
632 * (AML_METHODCALL) Op->Asl.Value.Arg->Asl.Node contains
633 * the method Node pointer
635 /* NextOp points to the op that holds the method name */
639 /* NextOp points to first argument op */
641 NextOp
= NextOp
->Common
.Next
;
644 * Get the method's arguments and put them on the operand stack
646 Status
= AcpiDsCreateOperands (WalkState
, NextOp
);
647 if (ACPI_FAILURE (Status
))
653 * Since the operands will be passed to another control method,
654 * we must resolve all local references here (Local variables,
655 * arguments to *this* method, etc.)
657 Status
= AcpiDsResolveOperands (WalkState
);
658 if (ACPI_FAILURE (Status
))
660 /* On error, clear all resolved operands */
662 AcpiDsClearOperands (WalkState
);
667 * Tell the walk loop to preempt this running method and
668 * execute the new method
670 Status
= AE_CTRL_TRANSFER
;
673 * Return now; we don't want to disturb anything,
674 * especially the operand count!
676 return_ACPI_STATUS (Status
);
679 case AML_TYPE_CREATE_FIELD
:
681 ACPI_DEBUG_PRINT ((ACPI_DB_EXEC
,
682 "Executing CreateField Buffer/Index Op=%p\n", Op
));
684 Status
= AcpiDsLoad2EndOp (WalkState
);
685 if (ACPI_FAILURE (Status
))
690 Status
= AcpiDsEvalBufferFieldOperands (WalkState
, Op
);
694 case AML_TYPE_CREATE_OBJECT
:
696 ACPI_DEBUG_PRINT ((ACPI_DB_EXEC
,
697 "Executing CreateObject (Buffer/Package) Op=%p\n", Op
));
699 switch (Op
->Common
.Parent
->Common
.AmlOpcode
)
704 * Put the Node on the object stack (Contains the ACPI Name of
707 WalkState
->Operands
[0] = (void *) Op
->Common
.Parent
->Common
.Node
;
708 WalkState
->NumOperands
= 1;
710 Status
= AcpiDsCreateNode (WalkState
, Op
->Common
.Parent
->Common
.Node
, Op
->Common
.Parent
);
711 if (ACPI_FAILURE (Status
))
717 /*lint -fallthrough */
719 case AML_INT_EVAL_SUBTREE_OP
:
721 Status
= AcpiDsEvalDataObjectOperands (WalkState
, Op
,
722 AcpiNsGetAttachedObject (Op
->Common
.Parent
->Common
.Node
));
727 Status
= AcpiDsEvalDataObjectOperands (WalkState
, Op
, NULL
);
731 /* Done with this result state (Now that operand stack is built) */
733 Status
= AcpiDsResultStackPop (WalkState
);
734 if (ACPI_FAILURE (Status
))
740 * If a result object was returned from above, push it on the
741 * current result stack
743 if (ACPI_SUCCESS (Status
) &&
744 WalkState
->ResultObj
)
746 Status
= AcpiDsResultPush (WalkState
->ResultObj
, WalkState
);
751 case AML_TYPE_NAMED_FIELD
:
752 case AML_TYPE_NAMED_COMPLEX
:
753 case AML_TYPE_NAMED_SIMPLE
:
754 case AML_TYPE_NAMED_NO_OBJ
:
756 Status
= AcpiDsLoad2EndOp (WalkState
);
757 if (ACPI_FAILURE (Status
))
762 if (Op
->Common
.AmlOpcode
== AML_REGION_OP
)
764 ACPI_DEBUG_PRINT ((ACPI_DB_EXEC
,
765 "Executing OpRegion Address/Length Op=%p\n", Op
));
767 Status
= AcpiDsEvalRegionOperands (WalkState
, Op
);
768 if (ACPI_FAILURE (Status
))
773 Status
= AcpiDsResultStackPop (WalkState
);
779 case AML_TYPE_UNDEFINED
:
781 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR
, "Undefined opcode type Op=%p\n", Op
));
782 return_ACPI_STATUS (AE_NOT_IMPLEMENTED
);
787 ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH
,
788 "Internal opcode=%X type Op=%p\n",
789 WalkState
->Opcode
, Op
));
795 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR
,
796 "Unimplemented opcode, class=%X type=%X Opcode=%X Op=%p\n",
797 OpClass
, OpType
, Op
->Common
.AmlOpcode
, Op
));
799 Status
= AE_NOT_IMPLEMENTED
;
805 * ACPI 2.0 support for 64-bit integers: Truncate numeric
806 * result value if we are executing from a 32-bit ACPI table
808 AcpiExTruncateFor32bitTable (WalkState
->ResultObj
);
811 * Check if we just completed the evaluation of a
812 * conditional predicate
815 if ((ACPI_SUCCESS (Status
)) &&
816 (WalkState
->ControlState
) &&
817 (WalkState
->ControlState
->Common
.State
==
818 ACPI_CONTROL_PREDICATE_EXECUTING
) &&
819 (WalkState
->ControlState
->Control
.PredicateOp
== Op
))
821 Status
= AcpiDsGetPredicateValue (WalkState
, WalkState
->ResultObj
);
822 WalkState
->ResultObj
= NULL
;
828 /* Invoke exception handler on error */
830 if (ACPI_FAILURE (Status
) &&
831 AcpiGbl_ExceptionHandler
&&
832 !(Status
& AE_CODE_CONTROL
))
834 AcpiExExitInterpreter ();
835 Status
= AcpiGbl_ExceptionHandler (Status
,
836 WalkState
->MethodNode
->Name
.Integer
, WalkState
->Opcode
,
837 WalkState
->AmlOffset
, NULL
);
838 AcpiExEnterInterpreter ();
841 if (WalkState
->ResultObj
)
843 /* Break to debugger to display result */
845 ACPI_DEBUGGER_EXEC (AcpiDbDisplayResultObject (WalkState
->ResultObj
, WalkState
));
848 * Delete the result op if and only if:
849 * Parent will not use the result -- such as any
850 * non-nested type2 op in a method (parent will be method)
852 AcpiDsDeleteResultIfNotUsed (Op
, WalkState
->ResultObj
, WalkState
);
855 #ifdef _UNDER_DEVELOPMENT
857 if (WalkState
->ParserState
.Aml
== WalkState
->ParserState
.AmlEnd
)
859 AcpiDbMethodEnd (WalkState
);
863 /* Always clear the object stack */
865 WalkState
->NumOperands
= 0;
867 #ifdef ACPI_DISASSEMBLER
869 /* On error, display method locals/args */
871 if (ACPI_FAILURE (Status
))
873 AcpiDmDumpMethodInfo (Status
, WalkState
, Op
);
877 return_ACPI_STATUS (Status
);