utdebug.c revision 80062
1/******************************************************************************
2 *
3 * Module Name: utdebug - Debug print routines
4 *              $Revision: 73 $
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, " %2.2ld Exiting Function: %s, %s\n",
346        AcpiGbl_NestingLevel, FunctionName, AcpiFormatException (Status));
347
348    AcpiGbl_NestingLevel--;
349}
350
351
352/*****************************************************************************
353 *
354 * FUNCTION:    FunctionValueExit
355 *
356 * PARAMETERS:  ModuleName          - Caller's module name (for error output)
357 *              LineNumber          - Caller's line number (for error output)
358 *              ComponentId         - Caller's component ID (for error output)
359 *              FunctionName        - Name of Caller's function
360 *              Value               - Value to be printed with exit msg
361 *
362 * RETURN:      None
363 *
364 * DESCRIPTION: Function exit trace.  Prints only if TRACE_FUNCTIONS bit is
365 *              set in DebugLevel.  Prints exit value also.
366 *
367 ****************************************************************************/
368
369void
370FunctionValueExit (
371    NATIVE_CHAR             *ModuleName,
372    UINT32                  LineNumber,
373    UINT32                  ComponentId,
374    NATIVE_CHAR             *FunctionName,
375    ACPI_INTEGER            Value)
376{
377
378    DebugPrint (ModuleName, LineNumber, ComponentId, TRACE_FUNCTIONS,
379                " %2.2ld Exiting Function: %s, %X\n",
380                AcpiGbl_NestingLevel, FunctionName, Value);
381
382    AcpiGbl_NestingLevel--;
383}
384
385
386/*****************************************************************************
387 *
388 * FUNCTION:    FunctionPtrExit
389 *
390 * PARAMETERS:  ModuleName          - Caller's module name (for error output)
391 *              LineNumber          - Caller's line number (for error output)
392 *              ComponentId         - Caller's component ID (for error output)
393 *              FunctionName        - Name of Caller's function
394 *              Value               - Value to be printed with exit msg
395 *
396 * RETURN:      None
397 *
398 * DESCRIPTION: Function exit trace.  Prints only if TRACE_FUNCTIONS bit is
399 *              set in DebugLevel.  Prints exit value also.
400 *
401 ****************************************************************************/
402
403void
404FunctionPtrExit (
405    NATIVE_CHAR             *ModuleName,
406    UINT32                  LineNumber,
407    UINT32                  ComponentId,
408    NATIVE_CHAR             *FunctionName,
409    UINT8                   *Ptr)
410{
411
412    DebugPrint (ModuleName, LineNumber, ComponentId, TRACE_FUNCTIONS,
413                " %2.2ld Exiting Function: %s, %p\n",
414                AcpiGbl_NestingLevel, FunctionName, Ptr);
415
416    AcpiGbl_NestingLevel--;
417}
418
419
420/*****************************************************************************
421 *
422 * FUNCTION:    DebugPrint
423 *
424 * PARAMETERS:  ModuleName          - Caller's module name (for error output)
425 *              LineNumber          - Caller's line number (for error output)
426 *              ComponentId         - Caller's component ID (for error output)
427 *              PrintLevel          - Requested debug print level
428 *              Format              - Printf format field
429 *              ...                 - Optional printf arguments
430 *
431 * RETURN:      None
432 *
433 * DESCRIPTION: Print error message with prefix consisting of the module name,
434 *              line number, and component ID.
435 *
436 ****************************************************************************/
437
438void
439DebugPrint (
440    NATIVE_CHAR             *ModuleName,
441    UINT32                  LineNumber,
442    UINT32                  ComponentId,
443    UINT32                  PrintLevel,
444    NATIVE_CHAR             *Format,
445    ...)
446{
447    va_list                 args;
448    UINT32                  ThreadId;
449
450
451    ThreadId = AcpiOsGetThreadId ();
452
453
454    /* Both the level and the component must be enabled */
455
456    if ((PrintLevel & AcpiDbgLevel) &&
457        (ComponentId & AcpiDbgLayer))
458    {
459        va_start (args, Format);
460
461        if (ThreadId != PrevThreadId)
462        {
463            if (TRACE_THREADS & AcpiDbgLevel)
464            {
465                AcpiOsPrintf ("\n**** Context Switch from TID %X to TID %X ****\n\n",
466                    PrevThreadId, ThreadId);
467            }
468
469            PrevThreadId = ThreadId;
470        }
471
472        if (TRACE_THREADS & AcpiDbgLevel)
473        {
474            AcpiOsPrintf ("%8s-%04d[%04X]: ", ModuleName, LineNumber, ThreadId);
475        }
476        else
477        {
478            AcpiOsPrintf ("%8s-%04d: ", ModuleName, LineNumber);
479        }
480
481        AcpiOsVprintf (Format, args);
482    }
483}
484
485
486/*****************************************************************************
487 *
488 * FUNCTION:    DebugPrintPrefix
489 *
490 * PARAMETERS:  ModuleName          - Caller's module name (for error output)
491 *              LineNumber          - Caller's line number (for error output)
492 *              ComponentId         - Caller's component ID (for error output)
493 *
494 * RETURN:      None
495 *
496 * DESCRIPTION: Print the prefix part of an error message, consisting of the
497 *              module name, and line number
498 *
499 ****************************************************************************/
500
501void
502DebugPrintPrefix (
503    NATIVE_CHAR             *ModuleName,
504    UINT32                  LineNumber)
505{
506    UINT32                  ThreadId;
507
508
509    ThreadId = AcpiOsGetThreadId ();
510
511    if (ThreadId != PrevThreadId)
512    {
513        if (TRACE_THREADS & AcpiDbgLevel)
514        {
515            AcpiOsPrintf ("\n**** Context Switch from TID %X to TID %X ****\n\n",
516                PrevThreadId, ThreadId);
517        }
518
519        PrevThreadId = ThreadId;
520    }
521
522    if (TRACE_THREADS & AcpiDbgLevel)
523    {
524        AcpiOsPrintf ("%8s-%04d[%04X]: ", ModuleName, LineNumber, ThreadId);
525    }
526    else
527    {
528        AcpiOsPrintf ("%8s-%04d: ", ModuleName, LineNumber);
529    }
530
531}
532
533
534/*****************************************************************************
535 *
536 * FUNCTION:    DebugPrintRaw
537 *
538 * PARAMETERS:  Format              - Printf format field
539 *              ...                 - Optional printf arguments
540 *
541 * RETURN:      None
542 *
543 * DESCRIPTION: Print error message -- without module/line indentifiers
544 *
545 ****************************************************************************/
546
547void
548DebugPrintRaw (
549    NATIVE_CHAR             *Format,
550    ...)
551{
552    va_list                 args;
553
554
555    va_start (args, Format);
556
557    AcpiOsVprintf (Format, args);
558
559    va_end (args);
560}
561
562
563/*****************************************************************************
564 *
565 * FUNCTION:    AcpiUtDumpBuffer
566 *
567 * PARAMETERS:  Buffer              - Buffer to dump
568 *              Count               - Amount to dump, in bytes
569 *              ComponentID         - Caller's component ID
570 *
571 * RETURN:      None
572 *
573 * DESCRIPTION: Generic dump buffer in both hex and ascii.
574 *
575 ****************************************************************************/
576
577void
578AcpiUtDumpBuffer (
579    UINT8                   *Buffer,
580    UINT32                  Count,
581    UINT32                  Display,
582    UINT32                  ComponentId)
583{
584    UINT32                  i = 0;
585    UINT32                  j;
586    UINT32                  Temp32;
587    UINT8                   BufChar;
588
589
590    /* Only dump the buffer if tracing is enabled */
591
592    if (!((TRACE_TABLES & AcpiDbgLevel) &&
593        (ComponentId & AcpiDbgLayer)))
594    {
595        return;
596    }
597
598
599    /*
600     * Nasty little dump buffer routine!
601     */
602    while (i < Count)
603    {
604        /* Print current offset */
605
606        AcpiOsPrintf ("%05X    ", i);
607
608
609        /* Print 16 hex chars */
610
611        for (j = 0; j < 16;)
612        {
613            if (i + j >= Count)
614            {
615                AcpiOsPrintf ("\n");
616                return;
617            }
618
619            /* Make sure that the INT8 doesn't get sign-extended! */
620
621            switch (Display)
622            {
623            /* Default is BYTE display */
624
625            default:
626
627                AcpiOsPrintf ("%02X ",
628                        *((UINT8 *) &Buffer[i + j]));
629                j += 1;
630                break;
631
632
633            case DB_WORD_DISPLAY:
634
635                MOVE_UNALIGNED16_TO_32 (&Temp32,
636                                        &Buffer[i + j]);
637                AcpiOsPrintf ("%04X ", Temp32);
638                j += 2;
639                break;
640
641
642            case DB_DWORD_DISPLAY:
643
644                MOVE_UNALIGNED32_TO_32 (&Temp32,
645                                        &Buffer[i + j]);
646                AcpiOsPrintf ("%08X ", Temp32);
647                j += 4;
648                break;
649
650
651            case DB_QWORD_DISPLAY:
652
653                MOVE_UNALIGNED32_TO_32 (&Temp32,
654                                        &Buffer[i + j]);
655                AcpiOsPrintf ("%08X", Temp32);
656
657                MOVE_UNALIGNED32_TO_32 (&Temp32,
658                                        &Buffer[i + j + 4]);
659                AcpiOsPrintf ("%08X ", Temp32);
660                j += 8;
661                break;
662            }
663        }
664
665
666        /*
667         * Print the ASCII equivalent characters
668         * But watch out for the bad unprintable ones...
669         */
670
671        for (j = 0; j < 16; j++)
672        {
673            if (i + j >= Count)
674            {
675                AcpiOsPrintf ("\n");
676                return;
677            }
678
679            BufChar = Buffer[i + j];
680            if ((BufChar > 0x1F && BufChar < 0x2E) ||
681                (BufChar > 0x2F && BufChar < 0x61) ||
682                (BufChar > 0x60 && BufChar < 0x7F))
683            {
684                AcpiOsPrintf ("%c", BufChar);
685            }
686            else
687            {
688                AcpiOsPrintf (".");
689            }
690        }
691
692        /* Done with that line. */
693
694        AcpiOsPrintf ("\n");
695        i += 16;
696    }
697
698    return;
699}
700
701
702