utdebug.c revision 77424
1/******************************************************************************
2 *
3 * Module Name: utdebug - Debug print routines
4 *              $Revision: 72 $
5 *
6 *****************************************************************************/
7
8/******************************************************************************
9 *
10 * 1. Copyright Notice
11 *
12 * Some or all of this work - Copyright (c) 1999, 2000, 2001, Intel Corp.
13 * All rights reserved.
14 *
15 * 2. License
16 *
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
20 * property rights.
21 *
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
28 *
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;
37 *
38 * The above copyright and patent license is granted only if the following
39 * conditions are met:
40 *
41 * 3. Conditions
42 *
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.
54 *
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
65 * make.
66 *
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
71 * distribution.
72 *
73 * 3.4. Intel retains all right, title, and interest in and to the Original
74 * Intel Code.
75 *
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.
80 *
81 * 4. Disclaimer and Export Compliance
82 *
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
89 * PARTICULAR PURPOSE.
90 *
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
98 * LIMITED REMEDY.
99 *
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.
114 *
115 *****************************************************************************/
116
117#define __UTDEBUG_C__
118
119#include "acpi.h"
120
121#define _COMPONENT          ACPI_UTILITIES
122        MODULE_NAME         ("utdebug")
123
124
125UINT32          PrevThreadId = 0xFFFFFFFF;
126
127/*****************************************************************************
128 *
129 * FUNCTION:    Get/Set debug level
130 *
131 * DESCRIPTION: Get or set value of the debug flag
132 *
133 *              These are used to allow user's to get/set the debug level
134 *
135 ****************************************************************************/
136
137
138UINT32
139GetDebugLevel (void)
140{
141
142    return (AcpiDbgLevel);
143}
144
145void
146SetDebugLevel (
147    UINT32                  NewDebugLevel)
148{
149
150    AcpiDbgLevel = NewDebugLevel;
151}
152
153
154/*****************************************************************************
155 *
156 * FUNCTION:    FunctionTrace
157 *
158 * PARAMETERS:  ModuleName          - Caller's module name (for error output)
159 *              LineNumber          - Caller's line number (for error output)
160 *              ComponentId         - Caller's component ID (for error output)
161 *              FunctionName        - Name of Caller's function
162 *
163 * RETURN:      None
164 *
165 * DESCRIPTION: Function entry trace.  Prints only if TRACE_FUNCTIONS bit is
166 *              set in DebugLevel
167 *
168 ****************************************************************************/
169
170void
171FunctionTrace (
172    NATIVE_CHAR             *ModuleName,
173    UINT32                  LineNumber,
174    UINT32                  ComponentId,
175    NATIVE_CHAR             *FunctionName)
176{
177
178    AcpiGbl_NestingLevel++;
179
180    DebugPrint (ModuleName, LineNumber, ComponentId,
181                TRACE_FUNCTIONS,
182                " %2.2ld Entered Function: %s\n",
183                AcpiGbl_NestingLevel, FunctionName);
184}
185
186
187/*****************************************************************************
188 *
189 * FUNCTION:    FunctionTracePtr
190 *
191 * PARAMETERS:  ModuleName          - Caller's module name (for error output)
192 *              LineNumber          - Caller's line number (for error output)
193 *              ComponentId         - Caller's component ID (for error output)
194 *              FunctionName        - Name of Caller's function
195 *              Pointer             - Pointer to display
196 *
197 * RETURN:      None
198 *
199 * DESCRIPTION: Function entry trace.  Prints only if TRACE_FUNCTIONS bit is
200 *              set in DebugLevel
201 *
202 ****************************************************************************/
203
204void
205FunctionTracePtr (
206    NATIVE_CHAR             *ModuleName,
207    UINT32                  LineNumber,
208    UINT32                  ComponentId,
209    NATIVE_CHAR             *FunctionName,
210    void                    *Pointer)
211{
212
213    AcpiGbl_NestingLevel++;
214    DebugPrint (ModuleName, LineNumber, ComponentId, TRACE_FUNCTIONS,
215                " %2.2ld Entered Function: %s, %p\n",
216                AcpiGbl_NestingLevel, FunctionName, Pointer);
217}
218
219
220/*****************************************************************************
221 *
222 * FUNCTION:    FunctionTraceStr
223 *
224 * PARAMETERS:  ModuleName          - Caller's module name (for error output)
225 *              LineNumber          - Caller's line number (for error output)
226 *              ComponentId         - Caller's component ID (for error output)
227 *              FunctionName        - Name of Caller's function
228 *              String              - Additional string to display
229 *
230 * RETURN:      None
231 *
232 * DESCRIPTION: Function entry trace.  Prints only if TRACE_FUNCTIONS bit is
233 *              set in DebugLevel
234 *
235 ****************************************************************************/
236
237void
238FunctionTraceStr (
239    NATIVE_CHAR             *ModuleName,
240    UINT32                  LineNumber,
241    UINT32                  ComponentId,
242    NATIVE_CHAR             *FunctionName,
243    NATIVE_CHAR             *String)
244{
245
246    AcpiGbl_NestingLevel++;
247    DebugPrint (ModuleName, LineNumber, ComponentId, TRACE_FUNCTIONS,
248                " %2.2ld Entered Function: %s, %s\n",
249                AcpiGbl_NestingLevel, FunctionName, String);
250}
251
252
253/*****************************************************************************
254 *
255 * FUNCTION:    FunctionTraceU32
256 *
257 * PARAMETERS:  ModuleName          - Caller's module name (for error output)
258 *              LineNumber          - Caller's line number (for error output)
259 *              ComponentId         - Caller's component ID (for error output)
260 *              FunctionName        - Name of Caller's function
261 *              Integer             - Integer to display
262 *
263 * RETURN:      None
264 *
265 * DESCRIPTION: Function entry trace.  Prints only if TRACE_FUNCTIONS bit is
266 *              set in DebugLevel
267 *
268 ****************************************************************************/
269
270void
271FunctionTraceU32 (
272    NATIVE_CHAR             *ModuleName,
273    UINT32                  LineNumber,
274    UINT32                  ComponentId,
275    NATIVE_CHAR             *FunctionName,
276    UINT32                  Integer)
277{
278
279    AcpiGbl_NestingLevel++;
280    DebugPrint (ModuleName, LineNumber, ComponentId, TRACE_FUNCTIONS,
281                " %2.2ld Entered Function: %s, %lX\n",
282                AcpiGbl_NestingLevel, FunctionName, Integer);
283}
284
285
286/*****************************************************************************
287 *
288 * FUNCTION:    FunctionExit
289 *
290 * PARAMETERS:  ModuleName          - Caller's module name (for error output)
291 *              LineNumber          - Caller's line number (for error output)
292 *              ComponentId         - Caller's component ID (for error output)
293 *              FunctionName        - Name of Caller's function
294 *
295 * RETURN:      None
296 *
297 * DESCRIPTION: Function exit trace.  Prints only if TRACE_FUNCTIONS bit is
298 *              set in DebugLevel
299 *
300 ****************************************************************************/
301
302void
303FunctionExit (
304    NATIVE_CHAR             *ModuleName,
305    UINT32                  LineNumber,
306    UINT32                  ComponentId,
307    NATIVE_CHAR             *FunctionName)
308{
309
310    DebugPrint (ModuleName, LineNumber, ComponentId, TRACE_FUNCTIONS,
311                " %2.2ld Exiting Function: %s\n",
312                AcpiGbl_NestingLevel, FunctionName);
313
314    AcpiGbl_NestingLevel--;
315}
316
317
318/*****************************************************************************
319 *
320 * FUNCTION:    FunctionStatusExit
321 *
322 * PARAMETERS:  ModuleName          - Caller's module name (for error output)
323 *              LineNumber          - Caller's line number (for error output)
324 *              ComponentId         - Caller's component ID (for error output)
325 *              FunctionName        - Name of Caller's function
326 *              Status              - Exit status code
327 *
328 * RETURN:      None
329 *
330 * DESCRIPTION: Function exit trace.  Prints only if TRACE_FUNCTIONS bit is
331 *              set in DebugLevel.  Prints exit status also.
332 *
333 ****************************************************************************/
334
335void
336FunctionStatusExit (
337    NATIVE_CHAR             *ModuleName,
338    UINT32                  LineNumber,
339    UINT32                  ComponentId,
340    NATIVE_CHAR             *FunctionName,
341    ACPI_STATUS             Status)
342{
343
344    DebugPrint (ModuleName, LineNumber, ComponentId,
345        TRACE_FUNCTIONS,
346        " %2.2ld Exiting Function: %s, %s\n",
347        AcpiGbl_NestingLevel,
348        FunctionName,
349        AcpiUtFormatException (Status));
350
351    AcpiGbl_NestingLevel--;
352}
353
354
355/*****************************************************************************
356 *
357 * FUNCTION:    FunctionValueExit
358 *
359 * PARAMETERS:  ModuleName          - Caller's module name (for error output)
360 *              LineNumber          - Caller's line number (for error output)
361 *              ComponentId         - Caller's component ID (for error output)
362 *              FunctionName        - Name of Caller's function
363 *              Value               - Value to be printed with exit msg
364 *
365 * RETURN:      None
366 *
367 * DESCRIPTION: Function exit trace.  Prints only if TRACE_FUNCTIONS bit is
368 *              set in DebugLevel.  Prints exit value also.
369 *
370 ****************************************************************************/
371
372void
373FunctionValueExit (
374    NATIVE_CHAR             *ModuleName,
375    UINT32                  LineNumber,
376    UINT32                  ComponentId,
377    NATIVE_CHAR             *FunctionName,
378    ACPI_INTEGER            Value)
379{
380
381    DebugPrint (ModuleName, LineNumber, ComponentId, TRACE_FUNCTIONS,
382                " %2.2ld Exiting Function: %s, %X\n",
383                AcpiGbl_NestingLevel, FunctionName, Value);
384
385    AcpiGbl_NestingLevel--;
386}
387
388
389/*****************************************************************************
390 *
391 * FUNCTION:    FunctionPtrExit
392 *
393 * PARAMETERS:  ModuleName          - Caller's module name (for error output)
394 *              LineNumber          - Caller's line number (for error output)
395 *              ComponentId         - Caller's component ID (for error output)
396 *              FunctionName        - Name of Caller's function
397 *              Value               - Value to be printed with exit msg
398 *
399 * RETURN:      None
400 *
401 * DESCRIPTION: Function exit trace.  Prints only if TRACE_FUNCTIONS bit is
402 *              set in DebugLevel.  Prints exit value also.
403 *
404 ****************************************************************************/
405
406void
407FunctionPtrExit (
408    NATIVE_CHAR             *ModuleName,
409    UINT32                  LineNumber,
410    UINT32                  ComponentId,
411    NATIVE_CHAR             *FunctionName,
412    UINT8                   *Ptr)
413{
414
415    DebugPrint (ModuleName, LineNumber, ComponentId, TRACE_FUNCTIONS,
416                " %2.2ld Exiting Function: %s, %p\n",
417                AcpiGbl_NestingLevel, FunctionName, Ptr);
418
419    AcpiGbl_NestingLevel--;
420}
421
422
423/*****************************************************************************
424 *
425 * FUNCTION:    DebugPrint
426 *
427 * PARAMETERS:  ModuleName          - Caller's module name (for error output)
428 *              LineNumber          - Caller's line number (for error output)
429 *              ComponentId         - Caller's component ID (for error output)
430 *              PrintLevel          - Requested debug print level
431 *              Format              - Printf format field
432 *              ...                 - Optional printf arguments
433 *
434 * RETURN:      None
435 *
436 * DESCRIPTION: Print error message with prefix consisting of the module name,
437 *              line number, and component ID.
438 *
439 ****************************************************************************/
440
441void
442DebugPrint (
443    NATIVE_CHAR             *ModuleName,
444    UINT32                  LineNumber,
445    UINT32                  ComponentId,
446    UINT32                  PrintLevel,
447    NATIVE_CHAR             *Format,
448    ...)
449{
450    va_list                 args;
451    UINT32                  ThreadId;
452
453
454    ThreadId = AcpiOsGetThreadId ();
455
456
457    /* Both the level and the component must be enabled */
458
459    if ((PrintLevel & AcpiDbgLevel) &&
460        (ComponentId & AcpiDbgLayer))
461    {
462        va_start (args, Format);
463
464        if (ThreadId != PrevThreadId)
465        {
466            if (TRACE_THREADS & AcpiDbgLevel)
467            {
468                AcpiOsPrintf ("\n**** Context Switch from TID %X to TID %X ****\n\n",
469                    PrevThreadId, ThreadId);
470            }
471
472            PrevThreadId = ThreadId;
473        }
474
475        if (TRACE_THREADS & AcpiDbgLevel)
476        {
477            AcpiOsPrintf ("%8s-%04d[%04X]: ", ModuleName, LineNumber, ThreadId);
478        }
479        else
480        {
481            AcpiOsPrintf ("%8s-%04d: ", ModuleName, LineNumber);
482        }
483
484        AcpiOsVprintf (Format, args);
485    }
486}
487
488
489/*****************************************************************************
490 *
491 * FUNCTION:    DebugPrintPrefix
492 *
493 * PARAMETERS:  ModuleName          - Caller's module name (for error output)
494 *              LineNumber          - Caller's line number (for error output)
495 *              ComponentId         - Caller's component ID (for error output)
496 *
497 * RETURN:      None
498 *
499 * DESCRIPTION: Print the prefix part of an error message, consisting of the
500 *              module name, and line number
501 *
502 ****************************************************************************/
503
504void
505DebugPrintPrefix (
506    NATIVE_CHAR             *ModuleName,
507    UINT32                  LineNumber)
508{
509    UINT32                  ThreadId;
510
511
512    ThreadId = AcpiOsGetThreadId ();
513
514    if (ThreadId != PrevThreadId)
515    {
516        if (TRACE_THREADS & AcpiDbgLevel)
517        {
518            AcpiOsPrintf ("\n**** Context Switch from TID %X to TID %X ****\n\n",
519                PrevThreadId, ThreadId);
520        }
521
522        PrevThreadId = ThreadId;
523    }
524
525    if (TRACE_THREADS & AcpiDbgLevel)
526    {
527        AcpiOsPrintf ("%8s-%04d[%04X]: ", ModuleName, LineNumber, ThreadId);
528    }
529    else
530    {
531        AcpiOsPrintf ("%8s-%04d: ", ModuleName, LineNumber);
532    }
533
534}
535
536
537/*****************************************************************************
538 *
539 * FUNCTION:    DebugPrintRaw
540 *
541 * PARAMETERS:  Format              - Printf format field
542 *              ...                 - Optional printf arguments
543 *
544 * RETURN:      None
545 *
546 * DESCRIPTION: Print error message -- without module/line indentifiers
547 *
548 ****************************************************************************/
549
550void
551DebugPrintRaw (
552    NATIVE_CHAR             *Format,
553    ...)
554{
555    va_list                 args;
556
557
558    va_start (args, Format);
559
560    AcpiOsVprintf (Format, args);
561
562    va_end (args);
563}
564
565
566/*****************************************************************************
567 *
568 * FUNCTION:    AcpiUtDumpBuffer
569 *
570 * PARAMETERS:  Buffer              - Buffer to dump
571 *              Count               - Amount to dump, in bytes
572 *              ComponentID         - Caller's component ID
573 *
574 * RETURN:      None
575 *
576 * DESCRIPTION: Generic dump buffer in both hex and ascii.
577 *
578 ****************************************************************************/
579
580void
581AcpiUtDumpBuffer (
582    UINT8                   *Buffer,
583    UINT32                  Count,
584    UINT32                  Display,
585    UINT32                  ComponentId)
586{
587    UINT32                  i = 0;
588    UINT32                  j;
589    UINT32                  Temp32;
590    UINT8                   BufChar;
591
592
593    /* Only dump the buffer if tracing is enabled */
594
595    if (!((TRACE_TABLES & AcpiDbgLevel) &&
596        (ComponentId & AcpiDbgLayer)))
597    {
598        return;
599    }
600
601
602    /*
603     * Nasty little dump buffer routine!
604     */
605    while (i < Count)
606    {
607        /* Print current offset */
608
609        AcpiOsPrintf ("%05X    ", i);
610
611
612        /* Print 16 hex chars */
613
614        for (j = 0; j < 16;)
615        {
616            if (i + j >= Count)
617            {
618                AcpiOsPrintf ("\n");
619                return;
620            }
621
622            /* Make sure that the INT8 doesn't get sign-extended! */
623
624            switch (Display)
625            {
626            /* Default is BYTE display */
627
628            default:
629
630                AcpiOsPrintf ("%02X ",
631                        *((UINT8 *) &Buffer[i + j]));
632                j += 1;
633                break;
634
635
636            case DB_WORD_DISPLAY:
637
638                MOVE_UNALIGNED16_TO_32 (&Temp32,
639                                        &Buffer[i + j]);
640                AcpiOsPrintf ("%04X ", Temp32);
641                j += 2;
642                break;
643
644
645            case DB_DWORD_DISPLAY:
646
647                MOVE_UNALIGNED32_TO_32 (&Temp32,
648                                        &Buffer[i + j]);
649                AcpiOsPrintf ("%08X ", Temp32);
650                j += 4;
651                break;
652
653
654            case DB_QWORD_DISPLAY:
655
656                MOVE_UNALIGNED32_TO_32 (&Temp32,
657                                        &Buffer[i + j]);
658                AcpiOsPrintf ("%08X", Temp32);
659
660                MOVE_UNALIGNED32_TO_32 (&Temp32,
661                                        &Buffer[i + j + 4]);
662                AcpiOsPrintf ("%08X ", Temp32);
663                j += 8;
664                break;
665            }
666        }
667
668
669        /*
670         * Print the ASCII equivalent characters
671         * But watch out for the bad unprintable ones...
672         */
673
674        for (j = 0; j < 16; j++)
675        {
676            if (i + j >= Count)
677            {
678                AcpiOsPrintf ("\n");
679                return;
680            }
681
682            BufChar = Buffer[i + j];
683            if ((BufChar > 0x1F && BufChar < 0x2E) ||
684                (BufChar > 0x2F && BufChar < 0x61) ||
685                (BufChar > 0x60 && BufChar < 0x7F))
686            {
687                AcpiOsPrintf ("%c", BufChar);
688            }
689            else
690            {
691                AcpiOsPrintf (".");
692            }
693        }
694
695        /* Done with that line. */
696
697        AcpiOsPrintf ("\n");
698        i += 16;
699    }
700
701    return;
702}
703
704
705