xref: /freebsd/sys/contrib/dev/acpica/components/debugger/dbmethod.c (revision 2f513db72b034fd5ef7f080b11be5c711c15186a)
1 /*******************************************************************************
2  *
3  * Module Name: dbmethod - Debug commands for control methods
4  *
5  ******************************************************************************/
6 
7 /******************************************************************************
8  *
9  * 1. Copyright Notice
10  *
11  * Some or all of this work - Copyright (c) 1999 - 2020, Intel Corp.
12  * All rights reserved.
13  *
14  * 2. License
15  *
16  * 2.1. This is your license from Intel Corp. under its intellectual property
17  * rights. You may have additional license terms from the party that provided
18  * you this software, covering your right to use that party's intellectual
19  * property rights.
20  *
21  * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
22  * copy of the source code appearing in this file ("Covered Code") an
23  * irrevocable, perpetual, worldwide license under Intel's copyrights in the
24  * base code distributed originally by Intel ("Original Intel Code") to copy,
25  * make derivatives, distribute, use and display any portion of the Covered
26  * Code in any form, with the right to sublicense such rights; and
27  *
28  * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
29  * license (with the right to sublicense), under only those claims of Intel
30  * patents that are infringed by the Original Intel Code, to make, use, sell,
31  * offer to sell, and import the Covered Code and derivative works thereof
32  * solely to the minimum extent necessary to exercise the above copyright
33  * license, and in no event shall the patent license extend to any additions
34  * to or modifications of the Original Intel Code. No other license or right
35  * is granted directly or by implication, estoppel or otherwise;
36  *
37  * The above copyright and patent license is granted only if the following
38  * conditions are met:
39  *
40  * 3. Conditions
41  *
42  * 3.1. Redistribution of Source with Rights to Further Distribute Source.
43  * Redistribution of source code of any substantial portion of the Covered
44  * Code or modification with rights to further distribute source must include
45  * the above Copyright Notice, the above License, this list of Conditions,
46  * and the following Disclaimer and Export Compliance provision. In addition,
47  * Licensee must cause all Covered Code to which Licensee contributes to
48  * contain a file documenting the changes Licensee made to create that Covered
49  * Code and the date of any change. Licensee must include in that file the
50  * documentation of any changes made by any predecessor Licensee. Licensee
51  * must include a prominent statement that the modification is derived,
52  * directly or indirectly, from Original Intel Code.
53  *
54  * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
55  * Redistribution of source code of any substantial portion of the Covered
56  * Code or modification without rights to further distribute source must
57  * include the following Disclaimer and Export Compliance provision in the
58  * documentation and/or other materials provided with distribution. In
59  * addition, Licensee may not authorize further sublicense of source of any
60  * portion of the Covered Code, and must include terms to the effect that the
61  * license from Licensee to its licensee is limited to the intellectual
62  * property embodied in the software Licensee provides to its licensee, and
63  * not to intellectual property embodied in modifications its licensee may
64  * make.
65  *
66  * 3.3. Redistribution of Executable. Redistribution in executable form of any
67  * substantial portion of the Covered Code or modification must reproduce the
68  * above Copyright Notice, and the following Disclaimer and Export Compliance
69  * provision in the documentation and/or other materials provided with the
70  * distribution.
71  *
72  * 3.4. Intel retains all right, title, and interest in and to the Original
73  * Intel Code.
74  *
75  * 3.5. Neither the name Intel nor any other trademark owned or controlled by
76  * Intel shall be used in advertising or otherwise to promote the sale, use or
77  * other dealings in products derived from or relating to the Covered Code
78  * without prior written authorization from Intel.
79  *
80  * 4. Disclaimer and Export Compliance
81  *
82  * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
83  * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
84  * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE,
85  * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY
86  * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY
87  * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
88  * PARTICULAR PURPOSE.
89  *
90  * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
91  * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
92  * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
93  * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
94  * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
95  * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS
96  * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
97  * LIMITED REMEDY.
98  *
99  * 4.3. Licensee shall not export, either directly or indirectly, any of this
100  * software or system incorporating such software without first obtaining any
101  * required license or other approval from the U. S. Department of Commerce or
102  * any other agency or department of the United States Government. In the
103  * event Licensee exports any such software from the United States or
104  * re-exports any such software from a foreign destination, Licensee shall
105  * ensure that the distribution and export/re-export of the software is in
106  * compliance with all laws, regulations, orders, or other restrictions of the
107  * U.S. Export Administration Regulations. Licensee agrees that neither it nor
108  * any of its subsidiaries will export/re-export any technical data, process,
109  * software, or service, directly or indirectly, to any country for which the
110  * United States government or any agency thereof requires an export license,
111  * other governmental approval, or letter of assurance, without first obtaining
112  * such license, approval or letter.
113  *
114  *****************************************************************************
115  *
116  * Alternatively, you may choose to be licensed under the terms of the
117  * following license:
118  *
119  * Redistribution and use in source and binary forms, with or without
120  * modification, are permitted provided that the following conditions
121  * are met:
122  * 1. Redistributions of source code must retain the above copyright
123  *    notice, this list of conditions, and the following disclaimer,
124  *    without modification.
125  * 2. Redistributions in binary form must reproduce at minimum a disclaimer
126  *    substantially similar to the "NO WARRANTY" disclaimer below
127  *    ("Disclaimer") and any redistribution must be conditioned upon
128  *    including a substantially similar Disclaimer requirement for further
129  *    binary redistribution.
130  * 3. Neither the names of the above-listed copyright holders nor the names
131  *    of any contributors may be used to endorse or promote products derived
132  *    from this software without specific prior written permission.
133  *
134  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
135  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
136  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
137  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
138  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
139  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
140  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
141  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
142  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
143  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
144  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
145  *
146  * Alternatively, you may choose to be licensed under the terms of the
147  * GNU General Public License ("GPL") version 2 as published by the Free
148  * Software Foundation.
149  *
150  *****************************************************************************/
151 
152 #include <contrib/dev/acpica/include/acpi.h>
153 #include <contrib/dev/acpica/include/accommon.h>
154 #include <contrib/dev/acpica/include/acdispat.h>
155 #include <contrib/dev/acpica/include/acnamesp.h>
156 #include <contrib/dev/acpica/include/acdebug.h>
157 #include <contrib/dev/acpica/include/acparser.h>
158 #include <contrib/dev/acpica/include/acpredef.h>
159 
160 
161 #define _COMPONENT          ACPI_CA_DEBUGGER
162         ACPI_MODULE_NAME    ("dbmethod")
163 
164 /* Local prototypes */
165 
166 static ACPI_STATUS
167 AcpiDbWalkForExecute (
168     ACPI_HANDLE             ObjHandle,
169     UINT32                  NestingLevel,
170     void                    *Context,
171     void                    **ReturnValue);
172 
173 
174 /*******************************************************************************
175  *
176  * FUNCTION:    AcpiDbSetMethodBreakpoint
177  *
178  * PARAMETERS:  Location            - AML offset of breakpoint
179  *              WalkState           - Current walk info
180  *              Op                  - Current Op (from parse walk)
181  *
182  * RETURN:      None
183  *
184  * DESCRIPTION: Set a breakpoint in a control method at the specified
185  *              AML offset
186  *
187  ******************************************************************************/
188 
189 void
190 AcpiDbSetMethodBreakpoint (
191     char                    *Location,
192     ACPI_WALK_STATE         *WalkState,
193     ACPI_PARSE_OBJECT       *Op)
194 {
195     UINT32                  Address;
196     UINT32                  AmlOffset;
197 
198 
199     if (!Op)
200     {
201         AcpiOsPrintf ("There is no method currently executing\n");
202         return;
203     }
204 
205     /* Get and verify the breakpoint address */
206 
207     Address = strtoul (Location, NULL, 16);
208     AmlOffset = (UINT32) ACPI_PTR_DIFF (Op->Common.Aml,
209         WalkState->ParserState.AmlStart);
210     if (Address <= AmlOffset)
211     {
212         AcpiOsPrintf ("Breakpoint %X is beyond current address %X\n",
213             Address, AmlOffset);
214     }
215 
216     /* Save breakpoint in current walk */
217 
218     WalkState->UserBreakpoint = Address;
219     AcpiOsPrintf ("Breakpoint set at AML offset %X\n", Address);
220 }
221 
222 
223 /*******************************************************************************
224  *
225  * FUNCTION:    AcpiDbSetMethodCallBreakpoint
226  *
227  * PARAMETERS:  Op                  - Current Op (from parse walk)
228  *
229  * RETURN:      None
230  *
231  * DESCRIPTION: Set a breakpoint in a control method at the specified
232  *              AML offset
233  *
234  ******************************************************************************/
235 
236 void
237 AcpiDbSetMethodCallBreakpoint (
238     ACPI_PARSE_OBJECT       *Op)
239 {
240 
241 
242     if (!Op)
243     {
244         AcpiOsPrintf ("There is no method currently executing\n");
245         return;
246     }
247 
248     AcpiGbl_StepToNextCall = TRUE;
249 }
250 
251 
252 /*******************************************************************************
253  *
254  * FUNCTION:    AcpiDbSetMethodData
255  *
256  * PARAMETERS:  TypeArg         - L for local, A for argument
257  *              IndexArg        - which one
258  *              ValueArg        - Value to set.
259  *
260  * RETURN:      None
261  *
262  * DESCRIPTION: Set a local or argument for the running control method.
263  *              NOTE: only object supported is Number.
264  *
265  ******************************************************************************/
266 
267 void
268 AcpiDbSetMethodData (
269     char                    *TypeArg,
270     char                    *IndexArg,
271     char                    *ValueArg)
272 {
273     char                    Type;
274     UINT32                  Index;
275     UINT32                  Value;
276     ACPI_WALK_STATE         *WalkState;
277     ACPI_OPERAND_OBJECT     *ObjDesc;
278     ACPI_STATUS             Status;
279     ACPI_NAMESPACE_NODE     *Node;
280 
281 
282     /* Validate TypeArg */
283 
284     AcpiUtStrupr (TypeArg);
285     Type = TypeArg[0];
286     if ((Type != 'L') &&
287         (Type != 'A') &&
288         (Type != 'N'))
289     {
290         AcpiOsPrintf ("Invalid SET operand: %s\n", TypeArg);
291         return;
292     }
293 
294     Value = strtoul (ValueArg, NULL, 16);
295 
296     if (Type == 'N')
297     {
298         Node = AcpiDbConvertToNode (IndexArg);
299         if (!Node)
300         {
301             return;
302         }
303 
304         if (Node->Type != ACPI_TYPE_INTEGER)
305         {
306             AcpiOsPrintf ("Can only set Integer nodes\n");
307             return;
308         }
309         ObjDesc = Node->Object;
310         ObjDesc->Integer.Value = Value;
311         return;
312     }
313 
314     /* Get the index and value */
315 
316     Index = strtoul (IndexArg, NULL, 16);
317 
318     WalkState = AcpiDsGetCurrentWalkState (AcpiGbl_CurrentWalkList);
319     if (!WalkState)
320     {
321         AcpiOsPrintf ("There is no method currently executing\n");
322         return;
323     }
324 
325     /* Create and initialize the new object */
326 
327     ObjDesc = AcpiUtCreateIntegerObject ((UINT64) Value);
328     if (!ObjDesc)
329     {
330         AcpiOsPrintf ("Could not create an internal object\n");
331         return;
332     }
333 
334     /* Store the new object into the target */
335 
336     switch (Type)
337     {
338     case 'A':
339 
340         /* Set a method argument */
341 
342         if (Index > ACPI_METHOD_MAX_ARG)
343         {
344             AcpiOsPrintf ("Arg%u - Invalid argument name\n",
345                 Index);
346             goto Cleanup;
347         }
348 
349         Status = AcpiDsStoreObjectToLocal (ACPI_REFCLASS_ARG,
350             Index, ObjDesc, WalkState);
351         if (ACPI_FAILURE (Status))
352         {
353             goto Cleanup;
354         }
355 
356         ObjDesc = WalkState->Arguments[Index].Object;
357 
358         AcpiOsPrintf ("Arg%u: ", Index);
359         AcpiDbDisplayInternalObject (ObjDesc, WalkState);
360         break;
361 
362     case 'L':
363 
364         /* Set a method local */
365 
366         if (Index > ACPI_METHOD_MAX_LOCAL)
367         {
368             AcpiOsPrintf ("Local%u - Invalid local variable name\n",
369                 Index);
370             goto Cleanup;
371         }
372 
373         Status = AcpiDsStoreObjectToLocal (ACPI_REFCLASS_LOCAL,
374             Index, ObjDesc, WalkState);
375         if (ACPI_FAILURE (Status))
376         {
377             goto Cleanup;
378         }
379 
380         ObjDesc = WalkState->LocalVariables[Index].Object;
381 
382         AcpiOsPrintf ("Local%u: ", Index);
383         AcpiDbDisplayInternalObject (ObjDesc, WalkState);
384         break;
385 
386     default:
387 
388         break;
389     }
390 
391 Cleanup:
392     AcpiUtRemoveReference (ObjDesc);
393 }
394 
395 
396 #ifdef ACPI_DISASSEMBLER
397 /*******************************************************************************
398  *
399  * FUNCTION:    AcpiDbDisassembleAml
400  *
401  * PARAMETERS:  Statements          - Number of statements to disassemble
402  *              Op                  - Current Op (from parse walk)
403  *
404  * RETURN:      None
405  *
406  * DESCRIPTION: Display disassembled AML (ASL) starting from Op for the number
407  *              of statements specified.
408  *
409  ******************************************************************************/
410 
411 void
412 AcpiDbDisassembleAml (
413     char                    *Statements,
414     ACPI_PARSE_OBJECT       *Op)
415 {
416     UINT32                  NumStatements = 8;
417 
418 
419     if (!Op)
420     {
421         AcpiOsPrintf ("There is no method currently executing\n");
422         return;
423     }
424 
425     if (Statements)
426     {
427         NumStatements = strtoul (Statements, NULL, 0);
428     }
429 
430     AcpiDmDisassemble (NULL, Op, NumStatements);
431 }
432 
433 
434 /*******************************************************************************
435  *
436  * FUNCTION:    AcpiDbDisassembleMethod
437  *
438  * PARAMETERS:  Name            - Name of control method
439  *
440  * RETURN:      None
441  *
442  * DESCRIPTION: Display disassembled AML (ASL) starting from Op for the number
443  *              of statements specified.
444  *
445  ******************************************************************************/
446 
447 ACPI_STATUS
448 AcpiDbDisassembleMethod (
449     char                    *Name)
450 {
451     ACPI_STATUS             Status;
452     ACPI_PARSE_OBJECT       *Op;
453     ACPI_WALK_STATE         *WalkState;
454     ACPI_OPERAND_OBJECT     *ObjDesc;
455     ACPI_NAMESPACE_NODE     *Method;
456 
457 
458     Method = AcpiDbConvertToNode (Name);
459     if (!Method)
460     {
461         return (AE_BAD_PARAMETER);
462     }
463 
464     if (Method->Type != ACPI_TYPE_METHOD)
465     {
466         ACPI_ERROR ((AE_INFO, "%s (%s): Object must be a control method",
467             Name, AcpiUtGetTypeName (Method->Type)));
468         return (AE_BAD_PARAMETER);
469     }
470 
471     ObjDesc = Method->Object;
472 
473     Op = AcpiPsCreateScopeOp (ObjDesc->Method.AmlStart);
474     if (!Op)
475     {
476         return (AE_NO_MEMORY);
477     }
478 
479     /* Create and initialize a new walk state */
480 
481     WalkState = AcpiDsCreateWalkState (0, Op, NULL, NULL);
482     if (!WalkState)
483     {
484         return (AE_NO_MEMORY);
485     }
486 
487     Status = AcpiDsInitAmlWalk (WalkState, Op, NULL,
488         ObjDesc->Method.AmlStart,
489         ObjDesc->Method.AmlLength, NULL, ACPI_IMODE_LOAD_PASS1);
490     if (ACPI_FAILURE (Status))
491     {
492         return (Status);
493     }
494 
495     Status = AcpiUtAllocateOwnerId (&ObjDesc->Method.OwnerId);
496     if (ACPI_FAILURE(Status))
497     {
498         return (Status);
499     }
500 
501     WalkState->OwnerId = ObjDesc->Method.OwnerId;
502 
503     /* Push start scope on scope stack and make it current */
504 
505     Status = AcpiDsScopeStackPush (Method,
506         Method->Type, WalkState);
507     if (ACPI_FAILURE (Status))
508     {
509         return (Status);
510     }
511 
512     /* Parse the entire method AML including deferred operators */
513 
514     WalkState->ParseFlags &= ~ACPI_PARSE_DELETE_TREE;
515     WalkState->ParseFlags |= ACPI_PARSE_DISASSEMBLE;
516 
517     Status = AcpiPsParseAml (WalkState);
518     if (ACPI_FAILURE(Status))
519     {
520         return (Status);
521     }
522 
523     (void) AcpiDmParseDeferredOps (Op);
524 
525     /* Now we can disassemble the method */
526 
527     AcpiGbl_DmOpt_Verbose = FALSE;
528     AcpiDmDisassemble (NULL, Op, 0);
529     AcpiGbl_DmOpt_Verbose = TRUE;
530 
531     AcpiPsDeleteParseTree (Op);
532 
533     /* Method cleanup */
534 
535     AcpiNsDeleteNamespaceSubtree (Method);
536     AcpiNsDeleteNamespaceByOwner (ObjDesc->Method.OwnerId);
537     AcpiUtReleaseOwnerId (&ObjDesc->Method.OwnerId);
538     return (AE_OK);
539 }
540 #endif
541 
542 
543 /*******************************************************************************
544  *
545  * FUNCTION:    AcpiDbWalkForExecute
546  *
547  * PARAMETERS:  Callback from WalkNamespace
548  *
549  * RETURN:      Status
550  *
551  * DESCRIPTION: Batch execution module. Currently only executes predefined
552  *              ACPI names.
553  *
554  ******************************************************************************/
555 
556 static ACPI_STATUS
557 AcpiDbWalkForExecute (
558     ACPI_HANDLE             ObjHandle,
559     UINT32                  NestingLevel,
560     void                    *Context,
561     void                    **ReturnValue)
562 {
563     ACPI_NAMESPACE_NODE     *Node = (ACPI_NAMESPACE_NODE *) ObjHandle;
564     ACPI_DB_EXECUTE_WALK    *Info = (ACPI_DB_EXECUTE_WALK *) Context;
565     ACPI_BUFFER             ReturnObj;
566     ACPI_STATUS             Status;
567     char                    *Pathname;
568     UINT32                  i;
569     ACPI_DEVICE_INFO        *ObjInfo;
570     ACPI_OBJECT_LIST        ParamObjects;
571     ACPI_OBJECT             Params[ACPI_METHOD_NUM_ARGS];
572     const ACPI_PREDEFINED_INFO *Predefined;
573 
574 
575     Predefined = AcpiUtMatchPredefinedMethod (Node->Name.Ascii);
576     if (!Predefined)
577     {
578         return (AE_OK);
579     }
580 
581     if (Node->Type == ACPI_TYPE_LOCAL_SCOPE)
582     {
583         return (AE_OK);
584     }
585 
586     Pathname = AcpiNsGetExternalPathname (Node);
587     if (!Pathname)
588     {
589         return (AE_OK);
590     }
591 
592     /* Get the object info for number of method parameters */
593 
594     Status = AcpiGetObjectInfo (ObjHandle, &ObjInfo);
595     if (ACPI_FAILURE (Status))
596     {
597         ACPI_FREE (Pathname);
598         return (Status);
599     }
600 
601     ParamObjects.Pointer = NULL;
602     ParamObjects.Count   = 0;
603 
604     if (ObjInfo->Type == ACPI_TYPE_METHOD)
605     {
606         /* Setup default parameters */
607 
608         for (i = 0; i < ObjInfo->ParamCount; i++)
609         {
610             Params[i].Type           = ACPI_TYPE_INTEGER;
611             Params[i].Integer.Value  = 1;
612         }
613 
614         ParamObjects.Pointer     = Params;
615         ParamObjects.Count       = ObjInfo->ParamCount;
616     }
617 
618     ACPI_FREE (ObjInfo);
619     ReturnObj.Pointer = NULL;
620     ReturnObj.Length = ACPI_ALLOCATE_BUFFER;
621 
622     /* Do the actual method execution */
623 
624     AcpiGbl_MethodExecuting = TRUE;
625 
626     Status = AcpiEvaluateObject (Node, NULL, &ParamObjects, &ReturnObj);
627 
628     AcpiOsPrintf ("%-32s returned %s\n", Pathname, AcpiFormatException (Status));
629     AcpiGbl_MethodExecuting = FALSE;
630     ACPI_FREE (Pathname);
631 
632     /* Ignore status from method execution */
633 
634     Status = AE_OK;
635 
636     /* Update count, check if we have executed enough methods */
637 
638     Info->Count++;
639     if (Info->Count >= Info->MaxCount)
640     {
641         Status = AE_CTRL_TERMINATE;
642     }
643 
644     return (Status);
645 }
646 
647 
648 /*******************************************************************************
649  *
650  * FUNCTION:    AcpiDbEvaluatePredefinedNames
651  *
652  * PARAMETERS:  None
653  *
654  * RETURN:      None
655  *
656  * DESCRIPTION: Namespace batch execution. Execute predefined names in the
657  *              namespace, up to the max count, if specified.
658  *
659  ******************************************************************************/
660 
661 void
662 AcpiDbEvaluatePredefinedNames (
663     void)
664 {
665     ACPI_DB_EXECUTE_WALK    Info;
666 
667 
668     Info.Count = 0;
669     Info.MaxCount = ACPI_UINT32_MAX;
670 
671     /* Search all nodes in namespace */
672 
673     (void) AcpiWalkNamespace (ACPI_TYPE_ANY, ACPI_ROOT_OBJECT, ACPI_UINT32_MAX,
674                 AcpiDbWalkForExecute, NULL, (void *) &Info, NULL);
675 
676     AcpiOsPrintf ("Evaluated %u predefined names in the namespace\n", Info.Count);
677 }
678