1 /******************************************************************************
3 * Module Name: dswexec - Dispatcher method execution callbacks;
4 * dispatch to interpreter.
6 *****************************************************************************/
8 /******************************************************************************
12 * Some or all of this work - Copyright (c) 1999 - 2021, Intel Corp.
13 * All rights reserved.
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
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
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;
38 * The above copyright and patent license is granted only if the following
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.
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
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
73 * 3.4. Intel retains all right, title, and interest in and to the Original
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.
81 * 4. Disclaimer and Export Compliance
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
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
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.
115 *****************************************************************************
117 * Alternatively, you may choose to be licensed under the terms of the
120 * Redistribution and use in source and binary forms, with or without
121 * modification, are permitted provided that the following conditions
123 * 1. Redistributions of source code must retain the above copyright
124 * notice, this list of conditions, and the following disclaimer,
125 * without modification.
126 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
127 * substantially similar to the "NO WARRANTY" disclaimer below
128 * ("Disclaimer") and any redistribution must be conditioned upon
129 * including a substantially similar Disclaimer requirement for further
130 * binary redistribution.
131 * 3. Neither the names of the above-listed copyright holders nor the names
132 * of any contributors may be used to endorse or promote products derived
133 * from this software without specific prior written permission.
135 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
136 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
137 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
138 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
139 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
140 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
141 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
142 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
143 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
144 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
145 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
147 * Alternatively, you may choose to be licensed under the terms of the
148 * GNU General Public License ("GPL") version 2 as published by the Free
149 * Software Foundation.
151 *****************************************************************************/
154 #include "accommon.h"
155 #include "acparser.h"
157 #include "acdispat.h"
158 #include "acinterp.h"
159 #include "acnamesp.h"
162 #include "aecommon.h"
165 #define _COMPONENT ACPI_DISPATCHER
166 ACPI_MODULE_NAME ("dswexec")
169 * Dispatch table for opcode classes
171 static ACPI_EXECUTE_OP AcpiGbl_OpTypeDispatch
[] =
173 AcpiExOpcode_0A_0T_1R
,
174 AcpiExOpcode_1A_0T_0R
,
175 AcpiExOpcode_1A_0T_1R
,
176 AcpiExOpcode_1A_1T_0R
,
177 AcpiExOpcode_1A_1T_1R
,
178 AcpiExOpcode_2A_0T_0R
,
179 AcpiExOpcode_2A_0T_1R
,
180 AcpiExOpcode_2A_1T_1R
,
181 AcpiExOpcode_2A_2T_1R
,
182 AcpiExOpcode_3A_0T_0R
,
183 AcpiExOpcode_3A_1T_1R
,
184 AcpiExOpcode_6A_0T_1R
188 /*****************************************************************************
190 * FUNCTION: AcpiDsGetPredicateValue
192 * PARAMETERS: WalkState - Current state of the parse tree walk
193 * ResultObj - if non-zero, pop result from result stack
197 * DESCRIPTION: Get the result of a predicate evaluation
199 ****************************************************************************/
202 AcpiDsGetPredicateValue (
203 ACPI_WALK_STATE
*WalkState
,
204 ACPI_OPERAND_OBJECT
*ResultObj
)
206 ACPI_STATUS Status
= AE_OK
;
207 ACPI_OPERAND_OBJECT
*ObjDesc
;
208 ACPI_OPERAND_OBJECT
*LocalObjDesc
= NULL
;
211 ACPI_FUNCTION_TRACE_PTR (DsGetPredicateValue
, WalkState
);
214 WalkState
->ControlState
->Common
.State
= 0;
218 Status
= AcpiDsResultPop (&ObjDesc
, WalkState
);
219 if (ACPI_FAILURE (Status
))
221 ACPI_EXCEPTION ((AE_INFO
, Status
,
222 "Could not get result from predicate evaluation"));
224 return_ACPI_STATUS (Status
);
229 Status
= AcpiDsCreateOperand (WalkState
, WalkState
->Op
, 0);
230 if (ACPI_FAILURE (Status
))
232 return_ACPI_STATUS (Status
);
235 Status
= AcpiExResolveToValue (&WalkState
->Operands
[0], WalkState
);
236 if (ACPI_FAILURE (Status
))
238 return_ACPI_STATUS (Status
);
241 ObjDesc
= WalkState
->Operands
[0];
246 ACPI_ERROR ((AE_INFO
,
247 "No predicate ObjDesc=%p State=%p",
248 ObjDesc
, WalkState
));
250 return_ACPI_STATUS (AE_AML_NO_OPERAND
);
254 * Result of predicate evaluation must be an Integer
255 * object. Implicitly convert the argument if necessary.
257 Status
= AcpiExConvertToInteger (ObjDesc
, &LocalObjDesc
,
258 ACPI_IMPLICIT_CONVERSION
);
259 if (ACPI_FAILURE (Status
))
264 if (LocalObjDesc
->Common
.Type
!= ACPI_TYPE_INTEGER
)
266 ACPI_ERROR ((AE_INFO
,
267 "Bad predicate (not an integer) ObjDesc=%p State=%p Type=0x%X",
268 ObjDesc
, WalkState
, ObjDesc
->Common
.Type
));
270 Status
= AE_AML_OPERAND_TYPE
;
274 /* Truncate the predicate to 32-bits if necessary */
276 (void) AcpiExTruncateFor32bitTable (LocalObjDesc
);
279 * Save the result of the predicate evaluation on
282 if (LocalObjDesc
->Integer
.Value
)
284 WalkState
->ControlState
->Common
.Value
= TRUE
;
289 * Predicate is FALSE, we will just toss the
290 * rest of the package
292 WalkState
->ControlState
->Common
.Value
= FALSE
;
293 Status
= AE_CTRL_FALSE
;
296 /* Predicate can be used for an implicit return value */
298 (void) AcpiDsDoImplicitReturn (LocalObjDesc
, WalkState
, TRUE
);
303 ACPI_DEBUG_PRINT ((ACPI_DB_EXEC
,
304 "Completed a predicate eval=%X Op=%p\n",
305 WalkState
->ControlState
->Common
.Value
, WalkState
->Op
));
307 /* Break to debugger to display result */
309 AcpiDbDisplayResultObject (LocalObjDesc
, WalkState
);
312 * Delete the predicate result object (we know that
313 * we don't need it anymore)
315 if (LocalObjDesc
!= ObjDesc
)
317 AcpiUtRemoveReference (LocalObjDesc
);
319 AcpiUtRemoveReference (ObjDesc
);
321 WalkState
->ControlState
->Common
.State
= ACPI_CONTROL_NORMAL
;
322 return_ACPI_STATUS (Status
);
326 /*****************************************************************************
328 * FUNCTION: AcpiDsExecBeginOp
330 * PARAMETERS: WalkState - Current state of the parse tree walk
331 * OutOp - Where to return op if a new one is created
335 * DESCRIPTION: Descending callback used during the execution of control
336 * methods. This is where most operators and operands are
337 * dispatched to the interpreter.
339 ****************************************************************************/
343 ACPI_WALK_STATE
*WalkState
,
344 ACPI_PARSE_OBJECT
**OutOp
)
346 ACPI_PARSE_OBJECT
*Op
;
347 ACPI_STATUS Status
= AE_OK
;
351 ACPI_FUNCTION_TRACE_PTR (DsExecBeginOp
, WalkState
);
357 Status
= AcpiDsLoad2BeginOp (WalkState
, OutOp
);
358 if (ACPI_FAILURE (Status
))
365 WalkState
->Opcode
= Op
->Common
.AmlOpcode
;
366 WalkState
->OpInfo
= AcpiPsGetOpcodeInfo (Op
->Common
.AmlOpcode
);
368 if (AcpiNsOpensScope (WalkState
->OpInfo
->ObjectType
))
370 ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH
,
371 "(%s) Popping scope for Op %p\n",
372 AcpiUtGetTypeName (WalkState
->OpInfo
->ObjectType
), Op
));
374 Status
= AcpiDsScopeStackPop (WalkState
);
375 if (ACPI_FAILURE (Status
))
382 if (Op
== WalkState
->Origin
)
389 return_ACPI_STATUS (AE_OK
);
393 * If the previous opcode was a conditional, this opcode
394 * must be the beginning of the associated predicate.
395 * Save this knowledge in the current scope descriptor
397 if ((WalkState
->ControlState
) &&
398 (WalkState
->ControlState
->Common
.State
==
399 ACPI_CONTROL_CONDITIONAL_EXECUTING
))
401 ACPI_DEBUG_PRINT ((ACPI_DB_EXEC
,
402 "Exec predicate Op=%p State=%p\n",
405 WalkState
->ControlState
->Common
.State
=
406 ACPI_CONTROL_PREDICATE_EXECUTING
;
408 /* Save start of predicate */
410 WalkState
->ControlState
->Control
.PredicateOp
= Op
;
414 OpcodeClass
= WalkState
->OpInfo
->Class
;
416 /* We want to send namepaths to the load code */
418 if (Op
->Common
.AmlOpcode
== AML_INT_NAMEPATH_OP
)
420 OpcodeClass
= AML_CLASS_NAMED_OBJECT
;
424 * Handle the opcode based upon the opcode type
428 case AML_CLASS_CONTROL
:
430 Status
= AcpiDsExecBeginControlOp (WalkState
, Op
);
433 case AML_CLASS_NAMED_OBJECT
:
435 if (WalkState
->WalkType
& ACPI_WALK_METHOD
)
438 * Found a named object declaration during method execution;
439 * we must enter this object into the namespace. The created
440 * object is temporary and will be deleted upon completion of
441 * the execution of this method.
443 * Note 10/2010: Except for the Scope() op. This opcode does
444 * not actually create a new object, it refers to an existing
445 * object. However, for Scope(), we want to indeed open a
448 if (Op
->Common
.AmlOpcode
!= AML_SCOPE_OP
)
450 Status
= AcpiDsLoad2BeginOp (WalkState
, NULL
);
454 Status
= AcpiDsScopeStackPush (
455 Op
->Named
.Node
, Op
->Named
.Node
->Type
, WalkState
);
456 if (ACPI_FAILURE (Status
))
458 return_ACPI_STATUS (Status
);
464 case AML_CLASS_EXECUTE
:
465 case AML_CLASS_CREATE
:
474 /* Nothing to do here during method execution */
476 return_ACPI_STATUS (Status
);
480 Status
= AcpiDsMethodError (Status
, WalkState
);
481 return_ACPI_STATUS (Status
);
485 /*****************************************************************************
487 * FUNCTION: AcpiDsExecEndOp
489 * PARAMETERS: WalkState - Current state of the parse tree walk
493 * DESCRIPTION: Ascending callback used during the execution of control
494 * methods. The only thing we really need to do here is to
495 * notice the beginning of IF, ELSE, and WHILE blocks.
497 ****************************************************************************/
501 ACPI_WALK_STATE
*WalkState
)
503 ACPI_PARSE_OBJECT
*Op
;
504 ACPI_STATUS Status
= AE_OK
;
507 ACPI_PARSE_OBJECT
*NextOp
;
508 ACPI_PARSE_OBJECT
*FirstArg
;
511 ACPI_OPERAND_OBJECT
*ObjDesc
;
514 ACPI_FUNCTION_TRACE_PTR (DsExecEndOp
, WalkState
);
518 OpType
= WalkState
->OpInfo
->Type
;
519 OpClass
= WalkState
->OpInfo
->Class
;
521 if (OpClass
== AML_CLASS_UNKNOWN
)
523 ACPI_ERROR ((AE_INFO
, "Unknown opcode 0x%X", Op
->Common
.AmlOpcode
));
524 return_ACPI_STATUS (AE_NOT_IMPLEMENTED
);
527 FirstArg
= Op
->Common
.Value
.Arg
;
529 /* Init the walk state */
531 WalkState
->NumOperands
= 0;
532 WalkState
->OperandIndex
= 0;
533 WalkState
->ReturnDesc
= NULL
;
534 WalkState
->ResultObj
= NULL
;
536 /* Call debugger for single step support (DEBUG build only) */
538 Status
= AcpiDbSingleStep (WalkState
, Op
, OpClass
);
539 if (ACPI_FAILURE (Status
))
541 return_ACPI_STATUS (Status
);
544 /* Decode the Opcode Class */
548 case AML_CLASS_ARGUMENT
: /* Constants, literals, etc. */
550 if (WalkState
->Opcode
== AML_INT_NAMEPATH_OP
)
552 Status
= AcpiDsEvaluateNamePath (WalkState
);
553 if (ACPI_FAILURE (Status
))
560 case AML_CLASS_EXECUTE
: /* Most operators with arguments */
562 /* Build resolved operand stack */
564 Status
= AcpiDsCreateOperands (WalkState
, FirstArg
);
565 if (ACPI_FAILURE (Status
))
571 * All opcodes require operand resolution, with the only exceptions
572 * being the ObjectType and SizeOf operators.
574 if (!(WalkState
->OpInfo
->Flags
& AML_NO_OPERAND_RESOLVE
))
576 /* Resolve all operands */
578 Status
= AcpiExResolveOperands (WalkState
->Opcode
,
579 &(WalkState
->Operands
[WalkState
->NumOperands
-1]),
583 if (ACPI_SUCCESS (Status
))
586 * Dispatch the request to the appropriate interpreter handler
587 * routine. There is one routine per opcode "type" based upon the
588 * number of opcode arguments and return type.
590 Status
= AcpiGbl_OpTypeDispatch
[OpType
] (WalkState
);
595 * Treat constructs of the form "Store(LocalX,LocalX)" as noops when the
596 * Local is uninitialized.
598 if ((Status
== AE_AML_UNINITIALIZED_LOCAL
) &&
599 (WalkState
->Opcode
== AML_STORE_OP
) &&
600 (WalkState
->Operands
[0]->Common
.Type
== ACPI_TYPE_LOCAL_REFERENCE
) &&
601 (WalkState
->Operands
[1]->Common
.Type
== ACPI_TYPE_LOCAL_REFERENCE
) &&
602 (WalkState
->Operands
[0]->Reference
.Class
==
603 WalkState
->Operands
[1]->Reference
.Class
) &&
604 (WalkState
->Operands
[0]->Reference
.Value
==
605 WalkState
->Operands
[1]->Reference
.Value
))
611 ACPI_EXCEPTION ((AE_INFO
, Status
,
612 "While resolving operands for [%s]",
613 AcpiPsGetOpcodeName (WalkState
->Opcode
)));
617 /* Always delete the argument objects and clear the operand stack */
619 AcpiDsClearOperands (WalkState
);
622 * If a result object was returned from above, push it on the
623 * current result stack
625 if (ACPI_SUCCESS (Status
) &&
626 WalkState
->ResultObj
)
628 Status
= AcpiDsResultPush (WalkState
->ResultObj
, WalkState
);
636 case AML_TYPE_CONTROL
: /* Type 1 opcode, IF/ELSE/WHILE/NOOP */
638 /* 1 Operand, 0 ExternalResult, 0 InternalResult */
640 Status
= AcpiDsExecEndControlOp (WalkState
, Op
);
644 case AML_TYPE_METHOD_CALL
:
646 * If the method is referenced from within a package
647 * declaration, it is not a invocation of the method, just
650 if ((Op
->Asl
.Parent
) &&
651 ((Op
->Asl
.Parent
->Asl
.AmlOpcode
== AML_PACKAGE_OP
) ||
652 (Op
->Asl
.Parent
->Asl
.AmlOpcode
== AML_VARIABLE_PACKAGE_OP
)))
654 ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH
,
655 "Method Reference in a Package, Op=%p\n", Op
));
657 Op
->Common
.Node
= (ACPI_NAMESPACE_NODE
*)
658 Op
->Asl
.Value
.Arg
->Asl
.Node
;
659 AcpiUtAddReference (Op
->Asl
.Value
.Arg
->Asl
.Node
->Object
);
660 return_ACPI_STATUS (AE_OK
);
663 ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH
,
664 "Method invocation, Op=%p\n", Op
));
667 * (AML_METHODCALL) Op->Asl.Value.Arg->Asl.Node contains
668 * the method Node pointer
670 /* NextOp points to the op that holds the method name */
674 /* NextOp points to first argument op */
676 NextOp
= NextOp
->Common
.Next
;
679 * Get the method's arguments and put them on the operand stack
681 Status
= AcpiDsCreateOperands (WalkState
, NextOp
);
682 if (ACPI_FAILURE (Status
))
688 * Since the operands will be passed to another control method,
689 * we must resolve all local references here (Local variables,
690 * arguments to *this* method, etc.)
692 Status
= AcpiDsResolveOperands (WalkState
);
693 if (ACPI_FAILURE (Status
))
695 /* On error, clear all resolved operands */
697 AcpiDsClearOperands (WalkState
);
702 * Tell the walk loop to preempt this running method and
703 * execute the new method
705 Status
= AE_CTRL_TRANSFER
;
708 * Return now; we don't want to disturb anything,
709 * especially the operand count!
711 return_ACPI_STATUS (Status
);
713 case AML_TYPE_CREATE_FIELD
:
715 ACPI_DEBUG_PRINT ((ACPI_DB_EXEC
,
716 "Executing CreateField Buffer/Index Op=%p\n", Op
));
718 Status
= AcpiDsLoad2EndOp (WalkState
);
719 if (ACPI_FAILURE (Status
))
724 Status
= AcpiDsEvalBufferFieldOperands (WalkState
, Op
);
725 if (ACPI_FAILURE (Status
))
732 * AcpiExec support for namespace initialization file (initialize
733 * BufferFields in this code.)
735 Namepath
= AcpiNsGetExternalPathname (Op
->Common
.Node
);
736 Status
= AeLookupInitFileEntry (Namepath
, &ObjDesc
);
737 if (ACPI_SUCCESS (Status
))
739 Status
= AcpiExWriteDataToField (ObjDesc
, Op
->Common
.Node
->Object
, NULL
);
740 if (ACPI_FAILURE (Status
))
742 ACPI_EXCEPTION ((AE_INFO
, Status
, "While writing to buffer field"));
745 ACPI_FREE (Namepath
);
751 case AML_TYPE_CREATE_OBJECT
:
753 ACPI_DEBUG_PRINT ((ACPI_DB_EXEC
,
754 "Executing CreateObject (Buffer/Package) Op=%p Child=%p ParentOpcode=%4.4X\n",
755 Op
, Op
->Named
.Value
.Arg
, Op
->Common
.Parent
->Common
.AmlOpcode
));
757 switch (Op
->Common
.Parent
->Common
.AmlOpcode
)
761 * Put the Node on the object stack (Contains the ACPI Name
764 WalkState
->Operands
[0] = (void *)
765 Op
->Common
.Parent
->Common
.Node
;
766 WalkState
->NumOperands
= 1;
768 Status
= AcpiDsCreateNode (WalkState
,
769 Op
->Common
.Parent
->Common
.Node
, Op
->Common
.Parent
);
770 if (ACPI_FAILURE (Status
))
777 case AML_INT_EVAL_SUBTREE_OP
:
779 Status
= AcpiDsEvalDataObjectOperands (WalkState
, Op
,
780 AcpiNsGetAttachedObject (Op
->Common
.Parent
->Common
.Node
));
785 Status
= AcpiDsEvalDataObjectOperands (WalkState
, Op
, NULL
);
790 * If a result object was returned from above, push it on the
791 * current result stack
793 if (WalkState
->ResultObj
)
795 Status
= AcpiDsResultPush (WalkState
->ResultObj
, WalkState
);
799 case AML_TYPE_NAMED_FIELD
:
800 case AML_TYPE_NAMED_COMPLEX
:
801 case AML_TYPE_NAMED_SIMPLE
:
802 case AML_TYPE_NAMED_NO_OBJ
:
804 Status
= AcpiDsLoad2EndOp (WalkState
);
805 if (ACPI_FAILURE (Status
))
810 if (Op
->Common
.AmlOpcode
== AML_REGION_OP
)
812 ACPI_DEBUG_PRINT ((ACPI_DB_EXEC
,
813 "Executing OpRegion Address/Length Op=%p\n", Op
));
815 Status
= AcpiDsEvalRegionOperands (WalkState
, Op
);
816 if (ACPI_FAILURE (Status
))
821 else if (Op
->Common
.AmlOpcode
== AML_DATA_REGION_OP
)
823 ACPI_DEBUG_PRINT ((ACPI_DB_EXEC
,
824 "Executing DataTableRegion Strings Op=%p\n", Op
));
826 Status
= AcpiDsEvalTableRegionOperands (WalkState
, Op
);
827 if (ACPI_FAILURE (Status
))
832 else if (Op
->Common
.AmlOpcode
== AML_BANK_FIELD_OP
)
834 ACPI_DEBUG_PRINT ((ACPI_DB_EXEC
,
835 "Executing BankField Op=%p\n", Op
));
837 Status
= AcpiDsEvalBankFieldOperands (WalkState
, Op
);
838 if (ACPI_FAILURE (Status
))
845 case AML_TYPE_UNDEFINED
:
847 ACPI_ERROR ((AE_INFO
,
848 "Undefined opcode type Op=%p", Op
));
849 return_ACPI_STATUS (AE_NOT_IMPLEMENTED
);
853 ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH
,
854 "Internal opcode=%X type Op=%p\n",
855 WalkState
->Opcode
, Op
));
860 ACPI_ERROR ((AE_INFO
,
861 "Unimplemented opcode, class=0x%X "
862 "type=0x%X Opcode=0x%X Op=%p",
863 OpClass
, OpType
, Op
->Common
.AmlOpcode
, Op
));
865 Status
= AE_NOT_IMPLEMENTED
;
871 * ACPI 2.0 support for 64-bit integers: Truncate numeric
872 * result value if we are executing from a 32-bit ACPI table
874 (void) AcpiExTruncateFor32bitTable (WalkState
->ResultObj
);
877 * Check if we just completed the evaluation of a
878 * conditional predicate
880 if ((ACPI_SUCCESS (Status
)) &&
881 (WalkState
->ControlState
) &&
882 (WalkState
->ControlState
->Common
.State
==
883 ACPI_CONTROL_PREDICATE_EXECUTING
) &&
884 (WalkState
->ControlState
->Control
.PredicateOp
== Op
))
886 Status
= AcpiDsGetPredicateValue (WalkState
, WalkState
->ResultObj
);
887 WalkState
->ResultObj
= NULL
;
893 if (WalkState
->ResultObj
)
895 /* Break to debugger to display result */
897 AcpiDbDisplayResultObject (WalkState
->ResultObj
,WalkState
);
900 * Delete the result op if and only if:
901 * Parent will not use the result -- such as any
902 * non-nested type2 op in a method (parent will be method)
904 AcpiDsDeleteResultIfNotUsed (Op
, WalkState
->ResultObj
, WalkState
);
907 #ifdef _UNDER_DEVELOPMENT
909 if (WalkState
->ParserState
.Aml
== WalkState
->ParserState
.AmlEnd
)
911 AcpiDbMethodEnd (WalkState
);
915 /* Invoke exception handler on error */
917 if (ACPI_FAILURE (Status
))
919 Status
= AcpiDsMethodError (Status
, WalkState
);
922 /* Always clear the object stack */
924 WalkState
->NumOperands
= 0;
925 return_ACPI_STATUS (Status
);