1/******************************************************************************
2 *
3 * Module Name: utdebug - Debug print/trace routines
4 *
5 *****************************************************************************/
6
7/******************************************************************************
8 *
9 * 1. Copyright Notice
10 *
11 * Some or all of this work - Copyright (c) 1999 - 2023, 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#define EXPORT_ACPI_INTERFACES
153
154#include "acpi.h"
155#include "accommon.h"
156#include "acinterp.h"
157
158#define _COMPONENT          ACPI_UTILITIES
159        ACPI_MODULE_NAME    ("utdebug")
160
161
162#ifdef ACPI_DEBUG_OUTPUT
163
164static ACPI_THREAD_ID       AcpiGbl_PreviousThreadId = (ACPI_THREAD_ID) 0xFFFFFFFF;
165static const char           *AcpiGbl_FunctionEntryPrefix = "----Entry";
166static const char           *AcpiGbl_FunctionExitPrefix  = "----Exit-";
167
168
169/*******************************************************************************
170 *
171 * FUNCTION:    AcpiUtInitStackPtrTrace
172 *
173 * PARAMETERS:  None
174 *
175 * RETURN:      None
176 *
177 * DESCRIPTION: Save the current CPU stack pointer at subsystem startup
178 *
179 ******************************************************************************/
180
181void
182AcpiUtInitStackPtrTrace (
183    void)
184{
185    ACPI_SIZE               CurrentSp;
186
187
188#pragma GCC diagnostic push
189#if defined(__GNUC__) && __GNUC__ >= 12
190#pragma GCC diagnostic ignored "-Wdangling-pointer="
191#endif
192    AcpiGbl_EntryStackPointer = &CurrentSp;
193#pragma GCC diagnostic pop
194}
195
196
197/*******************************************************************************
198 *
199 * FUNCTION:    AcpiUtTrackStackPtr
200 *
201 * PARAMETERS:  None
202 *
203 * RETURN:      None
204 *
205 * DESCRIPTION: Save the current CPU stack pointer
206 *
207 ******************************************************************************/
208
209void
210AcpiUtTrackStackPtr (
211    void)
212{
213    ACPI_SIZE               CurrentSp;
214
215
216    if (&CurrentSp < AcpiGbl_LowestStackPointer)
217    {
218        AcpiGbl_LowestStackPointer = &CurrentSp;
219    }
220
221    if (AcpiGbl_NestingLevel > AcpiGbl_DeepestNesting)
222    {
223        AcpiGbl_DeepestNesting = AcpiGbl_NestingLevel;
224    }
225}
226
227
228/*******************************************************************************
229 *
230 * FUNCTION:    AcpiUtTrimFunctionName
231 *
232 * PARAMETERS:  FunctionName        - Ascii string containing a procedure name
233 *
234 * RETURN:      Updated pointer to the function name
235 *
236 * DESCRIPTION: Remove the "Acpi" prefix from the function name, if present.
237 *              This allows compiler macros such as __FUNCTION__ to be used
238 *              with no change to the debug output.
239 *
240 ******************************************************************************/
241
242static const char *
243AcpiUtTrimFunctionName (
244    const char              *FunctionName)
245{
246
247    /* All Function names are longer than 4 chars, check is safe */
248
249    if (*(ACPI_CAST_PTR (UINT32, FunctionName)) == ACPI_PREFIX_MIXED)
250    {
251        /* This is the case where the original source has not been modified */
252
253        return (FunctionName + 4);
254    }
255
256    if (*(ACPI_CAST_PTR (UINT32, FunctionName)) == ACPI_PREFIX_LOWER)
257    {
258        /* This is the case where the source has been 'linuxized' */
259
260        return (FunctionName + 5);
261    }
262
263    return (FunctionName);
264}
265
266
267/*******************************************************************************
268 *
269 * FUNCTION:    AcpiDebugPrint
270 *
271 * PARAMETERS:  RequestedDebugLevel - Requested debug print level
272 *              LineNumber          - Caller's line number (for error output)
273 *              FunctionName        - Caller's procedure name
274 *              ModuleName          - Caller's module name
275 *              ComponentId         - Caller's component ID
276 *              Format              - Printf format field
277 *              ...                 - Optional printf arguments
278 *
279 * RETURN:      None
280 *
281 * DESCRIPTION: Print error message with prefix consisting of the module name,
282 *              line number, and component ID.
283 *
284 ******************************************************************************/
285
286void  ACPI_INTERNAL_VAR_XFACE
287AcpiDebugPrint (
288    UINT32                  RequestedDebugLevel,
289    UINT32                  LineNumber,
290    const char              *FunctionName,
291    const char              *ModuleName,
292    UINT32                  ComponentId,
293    const char              *Format,
294    ...)
295{
296    ACPI_THREAD_ID          ThreadId;
297    va_list                 args;
298#ifdef ACPI_APPLICATION
299    int                     FillCount;
300#endif
301
302    /* Check if debug output enabled */
303
304    if (!ACPI_IS_DEBUG_ENABLED (RequestedDebugLevel, ComponentId))
305    {
306        return;
307    }
308
309    /*
310     * Thread tracking and context switch notification
311     */
312    ThreadId = AcpiOsGetThreadId ();
313    if (ThreadId != AcpiGbl_PreviousThreadId)
314    {
315        if (ACPI_LV_THREADS & AcpiDbgLevel)
316        {
317            AcpiOsPrintf (
318                "\n**** Context Switch from TID %u to TID %u ****\n\n",
319                (UINT32) AcpiGbl_PreviousThreadId, (UINT32) ThreadId);
320        }
321
322        AcpiGbl_PreviousThreadId = ThreadId;
323        AcpiGbl_NestingLevel = 0;
324    }
325
326    /*
327     * Display the module name, current line number, thread ID (if requested),
328     * current procedure nesting level, and the current procedure name
329     */
330    AcpiOsPrintf ("%9s-%04d ", ModuleName, LineNumber);
331
332#ifdef ACPI_APPLICATION
333    /*
334     * For AcpiExec/iASL only, emit the thread ID and nesting level.
335     * Note: nesting level is really only useful during a single-thread
336     * execution. Otherwise, multiple threads will keep resetting the
337     * level.
338     */
339    if (ACPI_LV_THREADS & AcpiDbgLevel)
340    {
341        AcpiOsPrintf ("[%u] ", (UINT32) ThreadId);
342    }
343
344    FillCount = 48 - AcpiGbl_NestingLevel -
345        strlen (AcpiUtTrimFunctionName (FunctionName));
346    if (FillCount < 0)
347    {
348        FillCount = 0;
349    }
350
351    AcpiOsPrintf ("[%02d] %*s",
352        AcpiGbl_NestingLevel, AcpiGbl_NestingLevel + 1, " ");
353    AcpiOsPrintf ("%s%*s: ",
354        AcpiUtTrimFunctionName (FunctionName), FillCount, " ");
355
356#else
357    AcpiOsPrintf ("%-22.22s: ", AcpiUtTrimFunctionName (FunctionName));
358#endif
359
360    va_start (args, Format);
361    AcpiOsVprintf (Format, args);
362    va_end (args);
363}
364
365ACPI_EXPORT_SYMBOL (AcpiDebugPrint)
366
367
368/*******************************************************************************
369 *
370 * FUNCTION:    AcpiDebugPrintRaw
371 *
372 * PARAMETERS:  RequestedDebugLevel - Requested debug print level
373 *              LineNumber          - Caller's line number
374 *              FunctionName        - Caller's procedure name
375 *              ModuleName          - Caller's module name
376 *              ComponentId         - Caller's component ID
377 *              Format              - Printf format field
378 *              ...                 - Optional printf arguments
379 *
380 * RETURN:      None
381 *
382 * DESCRIPTION: Print message with no headers. Has same interface as
383 *              DebugPrint so that the same macros can be used.
384 *
385 ******************************************************************************/
386
387void  ACPI_INTERNAL_VAR_XFACE
388AcpiDebugPrintRaw (
389    UINT32                  RequestedDebugLevel,
390    UINT32                  LineNumber,
391    const char              *FunctionName,
392    const char              *ModuleName,
393    UINT32                  ComponentId,
394    const char              *Format,
395    ...)
396{
397    va_list                 args;
398
399
400    /* Check if debug output enabled */
401
402    if (!ACPI_IS_DEBUG_ENABLED (RequestedDebugLevel, ComponentId))
403    {
404        return;
405    }
406
407    va_start (args, Format);
408    AcpiOsVprintf (Format, args);
409    va_end (args);
410}
411
412ACPI_EXPORT_SYMBOL (AcpiDebugPrintRaw)
413
414
415/*******************************************************************************
416 *
417 * FUNCTION:    AcpiUtTrace
418 *
419 * PARAMETERS:  LineNumber          - Caller's line number
420 *              FunctionName        - Caller's procedure name
421 *              ModuleName          - Caller's module name
422 *              ComponentId         - Caller's component ID
423 *
424 * RETURN:      None
425 *
426 * DESCRIPTION: Function entry trace. Prints only if TRACE_FUNCTIONS bit is
427 *              set in DebugLevel
428 *
429 ******************************************************************************/
430
431void
432AcpiUtTrace (
433    UINT32                  LineNumber,
434    const char              *FunctionName,
435    const char              *ModuleName,
436    UINT32                  ComponentId)
437{
438
439    AcpiGbl_NestingLevel++;
440    AcpiUtTrackStackPtr ();
441
442    /* Check if enabled up-front for performance */
443
444    if (ACPI_IS_DEBUG_ENABLED (ACPI_LV_FUNCTIONS, ComponentId))
445    {
446        AcpiDebugPrint (ACPI_LV_FUNCTIONS,
447            LineNumber, FunctionName, ModuleName, ComponentId,
448            "%s\n", AcpiGbl_FunctionEntryPrefix);
449    }
450}
451
452ACPI_EXPORT_SYMBOL (AcpiUtTrace)
453
454
455/*******************************************************************************
456 *
457 * FUNCTION:    AcpiUtTracePtr
458 *
459 * PARAMETERS:  LineNumber          - Caller's line number
460 *              FunctionName        - Caller's procedure name
461 *              ModuleName          - Caller's module name
462 *              ComponentId         - Caller's component ID
463 *              Pointer             - Pointer to display
464 *
465 * RETURN:      None
466 *
467 * DESCRIPTION: Function entry trace. Prints only if TRACE_FUNCTIONS bit is
468 *              set in DebugLevel
469 *
470 ******************************************************************************/
471
472void
473AcpiUtTracePtr (
474    UINT32                  LineNumber,
475    const char              *FunctionName,
476    const char              *ModuleName,
477    UINT32                  ComponentId,
478    const void              *Pointer)
479{
480
481    AcpiGbl_NestingLevel++;
482    AcpiUtTrackStackPtr ();
483
484    /* Check if enabled up-front for performance */
485
486    if (ACPI_IS_DEBUG_ENABLED (ACPI_LV_FUNCTIONS, ComponentId))
487    {
488        AcpiDebugPrint (ACPI_LV_FUNCTIONS,
489            LineNumber, FunctionName, ModuleName, ComponentId,
490            "%s %p\n", AcpiGbl_FunctionEntryPrefix, Pointer);
491    }
492}
493
494
495/*******************************************************************************
496 *
497 * FUNCTION:    AcpiUtTraceStr
498 *
499 * PARAMETERS:  LineNumber          - Caller's line number
500 *              FunctionName        - Caller's procedure name
501 *              ModuleName          - Caller's module name
502 *              ComponentId         - Caller's component ID
503 *              String              - Additional string to display
504 *
505 * RETURN:      None
506 *
507 * DESCRIPTION: Function entry trace. Prints only if TRACE_FUNCTIONS bit is
508 *              set in DebugLevel
509 *
510 ******************************************************************************/
511
512void
513AcpiUtTraceStr (
514    UINT32                  LineNumber,
515    const char              *FunctionName,
516    const char              *ModuleName,
517    UINT32                  ComponentId,
518    const char              *String)
519{
520
521    AcpiGbl_NestingLevel++;
522    AcpiUtTrackStackPtr ();
523
524    /* Check if enabled up-front for performance */
525
526    if (ACPI_IS_DEBUG_ENABLED (ACPI_LV_FUNCTIONS, ComponentId))
527    {
528        AcpiDebugPrint (ACPI_LV_FUNCTIONS,
529            LineNumber, FunctionName, ModuleName, ComponentId,
530            "%s %s\n", AcpiGbl_FunctionEntryPrefix, String);
531    }
532}
533
534
535/*******************************************************************************
536 *
537 * FUNCTION:    AcpiUtTraceU32
538 *
539 * PARAMETERS:  LineNumber          - Caller's line number
540 *              FunctionName        - Caller's procedure name
541 *              ModuleName          - Caller's module name
542 *              ComponentId         - Caller's component ID
543 *              Integer             - Integer to display
544 *
545 * RETURN:      None
546 *
547 * DESCRIPTION: Function entry trace. Prints only if TRACE_FUNCTIONS bit is
548 *              set in DebugLevel
549 *
550 ******************************************************************************/
551
552void
553AcpiUtTraceU32 (
554    UINT32                  LineNumber,
555    const char              *FunctionName,
556    const char              *ModuleName,
557    UINT32                  ComponentId,
558    UINT32                  Integer)
559{
560
561    AcpiGbl_NestingLevel++;
562    AcpiUtTrackStackPtr ();
563
564    /* Check if enabled up-front for performance */
565
566    if (ACPI_IS_DEBUG_ENABLED (ACPI_LV_FUNCTIONS, ComponentId))
567    {
568        AcpiDebugPrint (ACPI_LV_FUNCTIONS,
569            LineNumber, FunctionName, ModuleName, ComponentId,
570            "%s %08X\n", AcpiGbl_FunctionEntryPrefix, Integer);
571    }
572}
573
574
575/*******************************************************************************
576 *
577 * FUNCTION:    AcpiUtExit
578 *
579 * PARAMETERS:  LineNumber          - Caller's line number
580 *              FunctionName        - Caller's procedure name
581 *              ModuleName          - Caller's module name
582 *              ComponentId         - Caller's component ID
583 *
584 * RETURN:      None
585 *
586 * DESCRIPTION: Function exit trace. Prints only if TRACE_FUNCTIONS bit is
587 *              set in DebugLevel
588 *
589 ******************************************************************************/
590
591void
592AcpiUtExit (
593    UINT32                  LineNumber,
594    const char              *FunctionName,
595    const char              *ModuleName,
596    UINT32                  ComponentId)
597{
598
599    /* Check if enabled up-front for performance */
600
601    if (ACPI_IS_DEBUG_ENABLED (ACPI_LV_FUNCTIONS, ComponentId))
602    {
603        AcpiDebugPrint (ACPI_LV_FUNCTIONS,
604            LineNumber, FunctionName, ModuleName, ComponentId,
605            "%s\n", AcpiGbl_FunctionExitPrefix);
606    }
607
608    if (AcpiGbl_NestingLevel)
609    {
610        AcpiGbl_NestingLevel--;
611    }
612}
613
614ACPI_EXPORT_SYMBOL (AcpiUtExit)
615
616
617/*******************************************************************************
618 *
619 * FUNCTION:    AcpiUtStatusExit
620 *
621 * PARAMETERS:  LineNumber          - Caller's line number
622 *              FunctionName        - Caller's procedure name
623 *              ModuleName          - Caller's module name
624 *              ComponentId         - Caller's component ID
625 *              Status              - Exit status code
626 *
627 * RETURN:      None
628 *
629 * DESCRIPTION: Function exit trace. Prints only if TRACE_FUNCTIONS bit is
630 *              set in DebugLevel. Prints exit status also.
631 *
632 ******************************************************************************/
633
634void
635AcpiUtStatusExit (
636    UINT32                  LineNumber,
637    const char              *FunctionName,
638    const char              *ModuleName,
639    UINT32                  ComponentId,
640    ACPI_STATUS             Status)
641{
642
643    /* Check if enabled up-front for performance */
644
645    if (ACPI_IS_DEBUG_ENABLED (ACPI_LV_FUNCTIONS, ComponentId))
646    {
647        if (ACPI_SUCCESS (Status))
648        {
649            AcpiDebugPrint (ACPI_LV_FUNCTIONS,
650                LineNumber, FunctionName, ModuleName, ComponentId,
651                "%s %s\n", AcpiGbl_FunctionExitPrefix,
652                AcpiFormatException (Status));
653        }
654        else
655        {
656            AcpiDebugPrint (ACPI_LV_FUNCTIONS,
657                LineNumber, FunctionName, ModuleName, ComponentId,
658                "%s ****Exception****: %s\n", AcpiGbl_FunctionExitPrefix,
659                AcpiFormatException (Status));
660        }
661    }
662
663    if (AcpiGbl_NestingLevel)
664    {
665        AcpiGbl_NestingLevel--;
666    }
667}
668
669ACPI_EXPORT_SYMBOL (AcpiUtStatusExit)
670
671
672/*******************************************************************************
673 *
674 * FUNCTION:    AcpiUtValueExit
675 *
676 * PARAMETERS:  LineNumber          - Caller's line number
677 *              FunctionName        - Caller's procedure name
678 *              ModuleName          - Caller's module name
679 *              ComponentId         - Caller's component ID
680 *              Value               - Value to be printed with exit msg
681 *
682 * RETURN:      None
683 *
684 * DESCRIPTION: Function exit trace. Prints only if TRACE_FUNCTIONS bit is
685 *              set in DebugLevel. Prints exit value also.
686 *
687 ******************************************************************************/
688
689void
690AcpiUtValueExit (
691    UINT32                  LineNumber,
692    const char              *FunctionName,
693    const char              *ModuleName,
694    UINT32                  ComponentId,
695    UINT64                  Value)
696{
697
698    /* Check if enabled up-front for performance */
699
700    if (ACPI_IS_DEBUG_ENABLED (ACPI_LV_FUNCTIONS, ComponentId))
701    {
702        AcpiDebugPrint (ACPI_LV_FUNCTIONS,
703            LineNumber, FunctionName, ModuleName, ComponentId,
704            "%s %8.8X%8.8X\n", AcpiGbl_FunctionExitPrefix,
705            ACPI_FORMAT_UINT64 (Value));
706    }
707
708    if (AcpiGbl_NestingLevel)
709    {
710        AcpiGbl_NestingLevel--;
711    }
712}
713
714ACPI_EXPORT_SYMBOL (AcpiUtValueExit)
715
716
717/*******************************************************************************
718 *
719 * FUNCTION:    AcpiUtPtrExit
720 *
721 * PARAMETERS:  LineNumber          - Caller's line number
722 *              FunctionName        - Caller's procedure name
723 *              ModuleName          - Caller's module name
724 *              ComponentId         - Caller's component ID
725 *              Ptr                 - Pointer to display
726 *
727 * RETURN:      None
728 *
729 * DESCRIPTION: Function exit trace. Prints only if TRACE_FUNCTIONS bit is
730 *              set in DebugLevel. Prints exit value also.
731 *
732 ******************************************************************************/
733
734void
735AcpiUtPtrExit (
736    UINT32                  LineNumber,
737    const char              *FunctionName,
738    const char              *ModuleName,
739    UINT32                  ComponentId,
740    UINT8                   *Ptr)
741{
742
743    /* Check if enabled up-front for performance */
744
745    if (ACPI_IS_DEBUG_ENABLED (ACPI_LV_FUNCTIONS, ComponentId))
746    {
747        AcpiDebugPrint (ACPI_LV_FUNCTIONS,
748            LineNumber, FunctionName, ModuleName, ComponentId,
749            "%s %p\n", AcpiGbl_FunctionExitPrefix, Ptr);
750    }
751
752    if (AcpiGbl_NestingLevel)
753    {
754        AcpiGbl_NestingLevel--;
755    }
756}
757
758
759/*******************************************************************************
760 *
761 * FUNCTION:    AcpiUtStrExit
762 *
763 * PARAMETERS:  LineNumber          - Caller's line number
764 *              FunctionName        - Caller's procedure name
765 *              ModuleName          - Caller's module name
766 *              ComponentId         - Caller's component ID
767 *              String              - String to display
768 *
769 * RETURN:      None
770 *
771 * DESCRIPTION: Function exit trace. Prints only if TRACE_FUNCTIONS bit is
772 *              set in DebugLevel. Prints exit value also.
773 *
774 ******************************************************************************/
775
776void
777AcpiUtStrExit (
778    UINT32                  LineNumber,
779    const char              *FunctionName,
780    const char              *ModuleName,
781    UINT32                  ComponentId,
782    const char              *String)
783{
784
785    /* Check if enabled up-front for performance */
786
787    if (ACPI_IS_DEBUG_ENABLED (ACPI_LV_FUNCTIONS, ComponentId))
788    {
789        AcpiDebugPrint (ACPI_LV_FUNCTIONS,
790            LineNumber, FunctionName, ModuleName, ComponentId,
791            "%s %s\n", AcpiGbl_FunctionExitPrefix, String);
792    }
793
794    if (AcpiGbl_NestingLevel)
795    {
796        AcpiGbl_NestingLevel--;
797    }
798}
799
800
801/*******************************************************************************
802 *
803 * FUNCTION:    AcpiTracePoint
804 *
805 * PARAMETERS:  Type                - Trace event type
806 *              Begin               - TRUE if before execution
807 *              Aml                 - Executed AML address
808 *              Pathname            - Object path
809 *              Pointer             - Pointer to the related object
810 *
811 * RETURN:      None
812 *
813 * DESCRIPTION: Interpreter execution trace.
814 *
815 ******************************************************************************/
816
817void
818AcpiTracePoint (
819    ACPI_TRACE_EVENT_TYPE   Type,
820    BOOLEAN                 Begin,
821    UINT8                   *Aml,
822    char                    *Pathname)
823{
824
825    ACPI_FUNCTION_ENTRY ();
826
827    AcpiExTracePoint (Type, Begin, Aml, Pathname);
828
829#ifdef ACPI_USE_SYSTEM_TRACER
830    AcpiOsTracePoint (Type, Begin, Aml, Pathname);
831#endif
832}
833
834ACPI_EXPORT_SYMBOL (AcpiTracePoint)
835
836
837#endif
838