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1/******************************************************************************
2 *
3 * Module Name: utdebug - Debug print/trace routines
4 *
5 *****************************************************************************/
6
7/*
8 * Copyright (C) 2000 - 2016, Intel Corp.
9 * All rights reserved.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions, and the following disclaimer,
16 * without modification.
17 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
18 * substantially similar to the "NO WARRANTY" disclaimer below
19 * ("Disclaimer") and any redistribution must be conditioned upon
20 * including a substantially similar Disclaimer requirement for further
21 * binary redistribution.
22 * 3. Neither the names of the above-listed copyright holders nor the names
23 * of any contributors may be used to endorse or promote products derived
24 * from this software without specific prior written permission.
25 *
26 * Alternatively, this software may be distributed under the terms of the
27 * GNU General Public License ("GPL") version 2 as published by the Free
28 * Software Foundation.
29 *
30 * NO WARRANTY
31 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
32 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
33 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
34 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
35 * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
36 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
37 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
38 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
39 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
40 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
41 * POSSIBILITY OF SUCH DAMAGES.
42 */
43
44#define EXPORT_ACPI_INTERFACES
45
46#include <acpi/acpi.h>
47#include "accommon.h"
48#include "acinterp.h"
49
50#define _COMPONENT ACPI_UTILITIES
51ACPI_MODULE_NAME("utdebug")
52
53#ifdef ACPI_DEBUG_OUTPUT
54static acpi_thread_id acpi_gbl_prev_thread_id = (acpi_thread_id) 0xFFFFFFFF;
55static char *acpi_gbl_fn_entry_str = "----Entry";
56static char *acpi_gbl_fn_exit_str = "----Exit-";
57
58/* Local prototypes */
59
60static const char *acpi_ut_trim_function_name(const char *function_name);
61
62/*******************************************************************************
63 *
64 * FUNCTION: acpi_ut_init_stack_ptr_trace
65 *
66 * PARAMETERS: None
67 *
68 * RETURN: None
69 *
70 * DESCRIPTION: Save the current CPU stack pointer at subsystem startup
71 *
72 ******************************************************************************/
73
74void acpi_ut_init_stack_ptr_trace(void)
75{
76 acpi_size current_sp;
77
78 acpi_gbl_entry_stack_pointer = ¤t_sp;
79}
80
81/*******************************************************************************
82 *
83 * FUNCTION: acpi_ut_track_stack_ptr
84 *
85 * PARAMETERS: None
86 *
87 * RETURN: None
88 *
89 * DESCRIPTION: Save the current CPU stack pointer
90 *
91 ******************************************************************************/
92
93void acpi_ut_track_stack_ptr(void)
94{
95 acpi_size current_sp;
96
97 if (¤t_sp < acpi_gbl_lowest_stack_pointer) {
98 acpi_gbl_lowest_stack_pointer = ¤t_sp;
99 }
100
101 if (acpi_gbl_nesting_level > acpi_gbl_deepest_nesting) {
102 acpi_gbl_deepest_nesting = acpi_gbl_nesting_level;
103 }
104}
105
106/*******************************************************************************
107 *
108 * FUNCTION: acpi_ut_trim_function_name
109 *
110 * PARAMETERS: function_name - Ascii string containing a procedure name
111 *
112 * RETURN: Updated pointer to the function name
113 *
114 * DESCRIPTION: Remove the "Acpi" prefix from the function name, if present.
115 * This allows compiler macros such as __func__ to be used
116 * with no change to the debug output.
117 *
118 ******************************************************************************/
119
120static const char *acpi_ut_trim_function_name(const char *function_name)
121{
122
123 /* All Function names are longer than 4 chars, check is safe */
124
125 if (*(ACPI_CAST_PTR(u32, function_name)) == ACPI_PREFIX_MIXED) {
126
127 /* This is the case where the original source has not been modified */
128
129 return (function_name + 4);
130 }
131
132 if (*(ACPI_CAST_PTR(u32, function_name)) == ACPI_PREFIX_LOWER) {
133
134 /* This is the case where the source has been 'linuxized' */
135
136 return (function_name + 5);
137 }
138
139 return (function_name);
140}
141
142/*******************************************************************************
143 *
144 * FUNCTION: acpi_debug_print
145 *
146 * PARAMETERS: requested_debug_level - Requested debug print level
147 * line_number - Caller's line number (for error output)
148 * function_name - Caller's procedure name
149 * module_name - Caller's module name
150 * component_id - Caller's component ID
151 * format - Printf format field
152 * ... - Optional printf arguments
153 *
154 * RETURN: None
155 *
156 * DESCRIPTION: Print error message with prefix consisting of the module name,
157 * line number, and component ID.
158 *
159 ******************************************************************************/
160
161void ACPI_INTERNAL_VAR_XFACE
162acpi_debug_print(u32 requested_debug_level,
163 u32 line_number,
164 const char *function_name,
165 const char *module_name,
166 u32 component_id, const char *format, ...)
167{
168 acpi_thread_id thread_id;
169 va_list args;
170
171 /* Check if debug output enabled */
172
173 if (!ACPI_IS_DEBUG_ENABLED(requested_debug_level, component_id)) {
174 return;
175 }
176
177 /*
178 * Thread tracking and context switch notification
179 */
180 thread_id = acpi_os_get_thread_id();
181 if (thread_id != acpi_gbl_prev_thread_id) {
182 if (ACPI_LV_THREADS & acpi_dbg_level) {
183 acpi_os_printf
184 ("\n**** Context Switch from TID %u to TID %u ****\n\n",
185 (u32)acpi_gbl_prev_thread_id, (u32)thread_id);
186 }
187
188 acpi_gbl_prev_thread_id = thread_id;
189 acpi_gbl_nesting_level = 0;
190 }
191
192 /*
193 * Display the module name, current line number, thread ID (if requested),
194 * current procedure nesting level, and the current procedure name
195 */
196 acpi_os_printf("%9s-%04ld ", module_name, line_number);
197
198#ifdef ACPI_APPLICATION
199 /*
200 * For acpi_exec/iASL only, emit the thread ID and nesting level.
201 * Note: nesting level is really only useful during a single-thread
202 * execution. Otherwise, multiple threads will keep resetting the
203 * level.
204 */
205 if (ACPI_LV_THREADS & acpi_dbg_level) {
206 acpi_os_printf("[%u] ", (u32)thread_id);
207 }
208
209 acpi_os_printf("[%02ld] ", acpi_gbl_nesting_level);
210#endif
211
212 acpi_os_printf("%-22.22s: ", acpi_ut_trim_function_name(function_name));
213
214 va_start(args, format);
215 acpi_os_vprintf(format, args);
216 va_end(args);
217}
218
219ACPI_EXPORT_SYMBOL(acpi_debug_print)
220
221/*******************************************************************************
222 *
223 * FUNCTION: acpi_debug_print_raw
224 *
225 * PARAMETERS: requested_debug_level - Requested debug print level
226 * line_number - Caller's line number
227 * function_name - Caller's procedure name
228 * module_name - Caller's module name
229 * component_id - Caller's component ID
230 * format - Printf format field
231 * ... - Optional printf arguments
232 *
233 * RETURN: None
234 *
235 * DESCRIPTION: Print message with no headers. Has same interface as
236 * debug_print so that the same macros can be used.
237 *
238 ******************************************************************************/
239void ACPI_INTERNAL_VAR_XFACE
240acpi_debug_print_raw(u32 requested_debug_level,
241 u32 line_number,
242 const char *function_name,
243 const char *module_name,
244 u32 component_id, const char *format, ...)
245{
246 va_list args;
247
248 /* Check if debug output enabled */
249
250 if (!ACPI_IS_DEBUG_ENABLED(requested_debug_level, component_id)) {
251 return;
252 }
253
254 va_start(args, format);
255 acpi_os_vprintf(format, args);
256 va_end(args);
257}
258
259ACPI_EXPORT_SYMBOL(acpi_debug_print_raw)
260
261/*******************************************************************************
262 *
263 * FUNCTION: acpi_ut_trace
264 *
265 * PARAMETERS: line_number - Caller's line number
266 * function_name - Caller's procedure name
267 * module_name - Caller's module name
268 * component_id - Caller's component ID
269 *
270 * RETURN: None
271 *
272 * DESCRIPTION: Function entry trace. Prints only if TRACE_FUNCTIONS bit is
273 * set in debug_level
274 *
275 ******************************************************************************/
276void
277acpi_ut_trace(u32 line_number,
278 const char *function_name,
279 const char *module_name, u32 component_id)
280{
281
282 acpi_gbl_nesting_level++;
283 acpi_ut_track_stack_ptr();
284
285 /* Check if enabled up-front for performance */
286
287 if (ACPI_IS_DEBUG_ENABLED(ACPI_LV_FUNCTIONS, component_id)) {
288 acpi_debug_print(ACPI_LV_FUNCTIONS,
289 line_number, function_name, module_name,
290 component_id, "%s\n", acpi_gbl_fn_entry_str);
291 }
292}
293
294ACPI_EXPORT_SYMBOL(acpi_ut_trace)
295
296/*******************************************************************************
297 *
298 * FUNCTION: acpi_ut_trace_ptr
299 *
300 * PARAMETERS: line_number - Caller's line number
301 * function_name - Caller's procedure name
302 * module_name - Caller's module name
303 * component_id - Caller's component ID
304 * pointer - Pointer to display
305 *
306 * RETURN: None
307 *
308 * DESCRIPTION: Function entry trace. Prints only if TRACE_FUNCTIONS bit is
309 * set in debug_level
310 *
311 ******************************************************************************/
312void
313acpi_ut_trace_ptr(u32 line_number,
314 const char *function_name,
315 const char *module_name, u32 component_id, void *pointer)
316{
317
318 acpi_gbl_nesting_level++;
319 acpi_ut_track_stack_ptr();
320
321 /* Check if enabled up-front for performance */
322
323 if (ACPI_IS_DEBUG_ENABLED(ACPI_LV_FUNCTIONS, component_id)) {
324 acpi_debug_print(ACPI_LV_FUNCTIONS,
325 line_number, function_name, module_name,
326 component_id, "%s %p\n", acpi_gbl_fn_entry_str,
327 pointer);
328 }
329}
330
331/*******************************************************************************
332 *
333 * FUNCTION: acpi_ut_trace_str
334 *
335 * PARAMETERS: line_number - Caller's line number
336 * function_name - Caller's procedure name
337 * module_name - Caller's module name
338 * component_id - Caller's component ID
339 * string - Additional string to display
340 *
341 * RETURN: None
342 *
343 * DESCRIPTION: Function entry trace. Prints only if TRACE_FUNCTIONS bit is
344 * set in debug_level
345 *
346 ******************************************************************************/
347
348void
349acpi_ut_trace_str(u32 line_number,
350 const char *function_name,
351 const char *module_name, u32 component_id, char *string)
352{
353
354 acpi_gbl_nesting_level++;
355 acpi_ut_track_stack_ptr();
356
357 /* Check if enabled up-front for performance */
358
359 if (ACPI_IS_DEBUG_ENABLED(ACPI_LV_FUNCTIONS, component_id)) {
360 acpi_debug_print(ACPI_LV_FUNCTIONS,
361 line_number, function_name, module_name,
362 component_id, "%s %s\n", acpi_gbl_fn_entry_str,
363 string);
364 }
365}
366
367/*******************************************************************************
368 *
369 * FUNCTION: acpi_ut_trace_u32
370 *
371 * PARAMETERS: line_number - Caller's line number
372 * function_name - Caller's procedure name
373 * module_name - Caller's module name
374 * component_id - Caller's component ID
375 * integer - Integer to display
376 *
377 * RETURN: None
378 *
379 * DESCRIPTION: Function entry trace. Prints only if TRACE_FUNCTIONS bit is
380 * set in debug_level
381 *
382 ******************************************************************************/
383
384void
385acpi_ut_trace_u32(u32 line_number,
386 const char *function_name,
387 const char *module_name, u32 component_id, u32 integer)
388{
389
390 acpi_gbl_nesting_level++;
391 acpi_ut_track_stack_ptr();
392
393 /* Check if enabled up-front for performance */
394
395 if (ACPI_IS_DEBUG_ENABLED(ACPI_LV_FUNCTIONS, component_id)) {
396 acpi_debug_print(ACPI_LV_FUNCTIONS,
397 line_number, function_name, module_name,
398 component_id, "%s %08X\n",
399 acpi_gbl_fn_entry_str, integer);
400 }
401}
402
403/*******************************************************************************
404 *
405 * FUNCTION: acpi_ut_exit
406 *
407 * PARAMETERS: line_number - Caller's line number
408 * function_name - Caller's procedure name
409 * module_name - Caller's module name
410 * component_id - Caller's component ID
411 *
412 * RETURN: None
413 *
414 * DESCRIPTION: Function exit trace. Prints only if TRACE_FUNCTIONS bit is
415 * set in debug_level
416 *
417 ******************************************************************************/
418
419void
420acpi_ut_exit(u32 line_number,
421 const char *function_name,
422 const char *module_name, u32 component_id)
423{
424
425 /* Check if enabled up-front for performance */
426
427 if (ACPI_IS_DEBUG_ENABLED(ACPI_LV_FUNCTIONS, component_id)) {
428 acpi_debug_print(ACPI_LV_FUNCTIONS,
429 line_number, function_name, module_name,
430 component_id, "%s\n", acpi_gbl_fn_exit_str);
431 }
432
433 if (acpi_gbl_nesting_level) {
434 acpi_gbl_nesting_level--;
435 }
436}
437
438ACPI_EXPORT_SYMBOL(acpi_ut_exit)
439
440/*******************************************************************************
441 *
442 * FUNCTION: acpi_ut_status_exit
443 *
444 * PARAMETERS: line_number - Caller's line number
445 * function_name - Caller's procedure name
446 * module_name - Caller's module name
447 * component_id - Caller's component ID
448 * status - Exit status code
449 *
450 * RETURN: None
451 *
452 * DESCRIPTION: Function exit trace. Prints only if TRACE_FUNCTIONS bit is
453 * set in debug_level. Prints exit status also.
454 *
455 ******************************************************************************/
456void
457acpi_ut_status_exit(u32 line_number,
458 const char *function_name,
459 const char *module_name,
460 u32 component_id, acpi_status status)
461{
462
463 /* Check if enabled up-front for performance */
464
465 if (ACPI_IS_DEBUG_ENABLED(ACPI_LV_FUNCTIONS, component_id)) {
466 if (ACPI_SUCCESS(status)) {
467 acpi_debug_print(ACPI_LV_FUNCTIONS,
468 line_number, function_name,
469 module_name, component_id, "%s %s\n",
470 acpi_gbl_fn_exit_str,
471 acpi_format_exception(status));
472 } else {
473 acpi_debug_print(ACPI_LV_FUNCTIONS,
474 line_number, function_name,
475 module_name, component_id,
476 "%s ****Exception****: %s\n",
477 acpi_gbl_fn_exit_str,
478 acpi_format_exception(status));
479 }
480 }
481
482 if (acpi_gbl_nesting_level) {
483 acpi_gbl_nesting_level--;
484 }
485}
486
487ACPI_EXPORT_SYMBOL(acpi_ut_status_exit)
488
489/*******************************************************************************
490 *
491 * FUNCTION: acpi_ut_value_exit
492 *
493 * PARAMETERS: line_number - Caller's line number
494 * function_name - Caller's procedure name
495 * module_name - Caller's module name
496 * component_id - Caller's component ID
497 * value - Value to be printed with exit msg
498 *
499 * RETURN: None
500 *
501 * DESCRIPTION: Function exit trace. Prints only if TRACE_FUNCTIONS bit is
502 * set in debug_level. Prints exit value also.
503 *
504 ******************************************************************************/
505void
506acpi_ut_value_exit(u32 line_number,
507 const char *function_name,
508 const char *module_name, u32 component_id, u64 value)
509{
510
511 /* Check if enabled up-front for performance */
512
513 if (ACPI_IS_DEBUG_ENABLED(ACPI_LV_FUNCTIONS, component_id)) {
514 acpi_debug_print(ACPI_LV_FUNCTIONS,
515 line_number, function_name, module_name,
516 component_id, "%s %8.8X%8.8X\n",
517 acpi_gbl_fn_exit_str,
518 ACPI_FORMAT_UINT64(value));
519 }
520
521 if (acpi_gbl_nesting_level) {
522 acpi_gbl_nesting_level--;
523 }
524}
525
526ACPI_EXPORT_SYMBOL(acpi_ut_value_exit)
527
528/*******************************************************************************
529 *
530 * FUNCTION: acpi_ut_ptr_exit
531 *
532 * PARAMETERS: line_number - Caller's line number
533 * function_name - Caller's procedure name
534 * module_name - Caller's module name
535 * component_id - Caller's component ID
536 * ptr - Pointer to display
537 *
538 * RETURN: None
539 *
540 * DESCRIPTION: Function exit trace. Prints only if TRACE_FUNCTIONS bit is
541 * set in debug_level. Prints exit value also.
542 *
543 ******************************************************************************/
544void
545acpi_ut_ptr_exit(u32 line_number,
546 const char *function_name,
547 const char *module_name, u32 component_id, u8 *ptr)
548{
549
550 /* Check if enabled up-front for performance */
551
552 if (ACPI_IS_DEBUG_ENABLED(ACPI_LV_FUNCTIONS, component_id)) {
553 acpi_debug_print(ACPI_LV_FUNCTIONS,
554 line_number, function_name, module_name,
555 component_id, "%s %p\n", acpi_gbl_fn_exit_str,
556 ptr);
557 }
558
559 if (acpi_gbl_nesting_level) {
560 acpi_gbl_nesting_level--;
561 }
562}
563
564/*******************************************************************************
565 *
566 * FUNCTION: acpi_trace_point
567 *
568 * PARAMETERS: type - Trace event type
569 * begin - TRUE if before execution
570 * aml - Executed AML address
571 * pathname - Object path
572 * pointer - Pointer to the related object
573 *
574 * RETURN: None
575 *
576 * DESCRIPTION: Interpreter execution trace.
577 *
578 ******************************************************************************/
579
580void
581acpi_trace_point(acpi_trace_event_type type, u8 begin, u8 *aml, char *pathname)
582{
583
584 ACPI_FUNCTION_ENTRY();
585
586 acpi_ex_trace_point(type, begin, aml, pathname);
587
588#ifdef ACPI_USE_SYSTEM_TRACER
589 acpi_os_trace_point(type, begin, aml, pathname);
590#endif
591}
592
593ACPI_EXPORT_SYMBOL(acpi_trace_point)
594#endif
595#ifdef ACPI_APPLICATION
596/*******************************************************************************
597 *
598 * FUNCTION: acpi_log_error
599 *
600 * PARAMETERS: format - Printf format field
601 * ... - Optional printf arguments
602 *
603 * RETURN: None
604 *
605 * DESCRIPTION: Print error message to the console, used by applications.
606 *
607 ******************************************************************************/
608void ACPI_INTERNAL_VAR_XFACE acpi_log_error(const char *format, ...)
609{
610 va_list args;
611
612 va_start(args, format);
613 (void)acpi_ut_file_vprintf(ACPI_FILE_ERR, format, args);
614 va_end(args);
615}
616
617ACPI_EXPORT_SYMBOL(acpi_log_error)
618#endif
1// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0
2/******************************************************************************
3 *
4 * Module Name: utdebug - Debug print/trace routines
5 *
6 * Copyright (C) 2000 - 2018, Intel Corp.
7 *
8 *****************************************************************************/
9
10#define EXPORT_ACPI_INTERFACES
11
12#include <acpi/acpi.h>
13#include "accommon.h"
14#include "acinterp.h"
15
16#define _COMPONENT ACPI_UTILITIES
17ACPI_MODULE_NAME("utdebug")
18
19#ifdef ACPI_DEBUG_OUTPUT
20static acpi_thread_id acpi_gbl_previous_thread_id = (acpi_thread_id) 0xFFFFFFFF;
21static const char *acpi_gbl_function_entry_prefix = "----Entry";
22static const char *acpi_gbl_function_exit_prefix = "----Exit-";
23
24/*******************************************************************************
25 *
26 * FUNCTION: acpi_ut_init_stack_ptr_trace
27 *
28 * PARAMETERS: None
29 *
30 * RETURN: None
31 *
32 * DESCRIPTION: Save the current CPU stack pointer at subsystem startup
33 *
34 ******************************************************************************/
35
36void acpi_ut_init_stack_ptr_trace(void)
37{
38 acpi_size current_sp;
39
40 acpi_gbl_entry_stack_pointer = ¤t_sp;
41}
42
43/*******************************************************************************
44 *
45 * FUNCTION: acpi_ut_track_stack_ptr
46 *
47 * PARAMETERS: None
48 *
49 * RETURN: None
50 *
51 * DESCRIPTION: Save the current CPU stack pointer
52 *
53 ******************************************************************************/
54
55void acpi_ut_track_stack_ptr(void)
56{
57 acpi_size current_sp;
58
59 if (¤t_sp < acpi_gbl_lowest_stack_pointer) {
60 acpi_gbl_lowest_stack_pointer = ¤t_sp;
61 }
62
63 if (acpi_gbl_nesting_level > acpi_gbl_deepest_nesting) {
64 acpi_gbl_deepest_nesting = acpi_gbl_nesting_level;
65 }
66}
67
68/*******************************************************************************
69 *
70 * FUNCTION: acpi_ut_trim_function_name
71 *
72 * PARAMETERS: function_name - Ascii string containing a procedure name
73 *
74 * RETURN: Updated pointer to the function name
75 *
76 * DESCRIPTION: Remove the "Acpi" prefix from the function name, if present.
77 * This allows compiler macros such as __func__ to be used
78 * with no change to the debug output.
79 *
80 ******************************************************************************/
81
82static const char *acpi_ut_trim_function_name(const char *function_name)
83{
84
85 /* All Function names are longer than 4 chars, check is safe */
86
87 if (*(ACPI_CAST_PTR(u32, function_name)) == ACPI_PREFIX_MIXED) {
88
89 /* This is the case where the original source has not been modified */
90
91 return (function_name + 4);
92 }
93
94 if (*(ACPI_CAST_PTR(u32, function_name)) == ACPI_PREFIX_LOWER) {
95
96 /* This is the case where the source has been 'linuxized' */
97
98 return (function_name + 5);
99 }
100
101 return (function_name);
102}
103
104/*******************************************************************************
105 *
106 * FUNCTION: acpi_debug_print
107 *
108 * PARAMETERS: requested_debug_level - Requested debug print level
109 * line_number - Caller's line number (for error output)
110 * function_name - Caller's procedure name
111 * module_name - Caller's module name
112 * component_id - Caller's component ID
113 * format - Printf format field
114 * ... - Optional printf arguments
115 *
116 * RETURN: None
117 *
118 * DESCRIPTION: Print error message with prefix consisting of the module name,
119 * line number, and component ID.
120 *
121 ******************************************************************************/
122
123void ACPI_INTERNAL_VAR_XFACE
124acpi_debug_print(u32 requested_debug_level,
125 u32 line_number,
126 const char *function_name,
127 const char *module_name,
128 u32 component_id, const char *format, ...)
129{
130 acpi_thread_id thread_id;
131 va_list args;
132#ifdef ACPI_APPLICATION
133 int fill_count;
134#endif
135
136 /* Check if debug output enabled */
137
138 if (!ACPI_IS_DEBUG_ENABLED(requested_debug_level, component_id)) {
139 return;
140 }
141
142 /*
143 * Thread tracking and context switch notification
144 */
145 thread_id = acpi_os_get_thread_id();
146 if (thread_id != acpi_gbl_previous_thread_id) {
147 if (ACPI_LV_THREADS & acpi_dbg_level) {
148 acpi_os_printf
149 ("\n**** Context Switch from TID %u to TID %u ****\n\n",
150 (u32)acpi_gbl_previous_thread_id, (u32)thread_id);
151 }
152
153 acpi_gbl_previous_thread_id = thread_id;
154 acpi_gbl_nesting_level = 0;
155 }
156
157 /*
158 * Display the module name, current line number, thread ID (if requested),
159 * current procedure nesting level, and the current procedure name
160 */
161 acpi_os_printf("%9s-%04ld ", module_name, line_number);
162
163#ifdef ACPI_APPLICATION
164 /*
165 * For acpi_exec/iASL only, emit the thread ID and nesting level.
166 * Note: nesting level is really only useful during a single-thread
167 * execution. Otherwise, multiple threads will keep resetting the
168 * level.
169 */
170 if (ACPI_LV_THREADS & acpi_dbg_level) {
171 acpi_os_printf("[%u] ", (u32)thread_id);
172 }
173
174 fill_count = 48 - acpi_gbl_nesting_level -
175 strlen(acpi_ut_trim_function_name(function_name));
176 if (fill_count < 0) {
177 fill_count = 0;
178 }
179
180 acpi_os_printf("[%02ld] %*s",
181 acpi_gbl_nesting_level, acpi_gbl_nesting_level + 1, " ");
182 acpi_os_printf("%s%*s: ",
183 acpi_ut_trim_function_name(function_name), fill_count,
184 " ");
185
186#else
187 acpi_os_printf("%-22.22s: ", acpi_ut_trim_function_name(function_name));
188#endif
189
190 va_start(args, format);
191 acpi_os_vprintf(format, args);
192 va_end(args);
193}
194
195ACPI_EXPORT_SYMBOL(acpi_debug_print)
196
197/*******************************************************************************
198 *
199 * FUNCTION: acpi_debug_print_raw
200 *
201 * PARAMETERS: requested_debug_level - Requested debug print level
202 * line_number - Caller's line number
203 * function_name - Caller's procedure name
204 * module_name - Caller's module name
205 * component_id - Caller's component ID
206 * format - Printf format field
207 * ... - Optional printf arguments
208 *
209 * RETURN: None
210 *
211 * DESCRIPTION: Print message with no headers. Has same interface as
212 * debug_print so that the same macros can be used.
213 *
214 ******************************************************************************/
215void ACPI_INTERNAL_VAR_XFACE
216acpi_debug_print_raw(u32 requested_debug_level,
217 u32 line_number,
218 const char *function_name,
219 const char *module_name,
220 u32 component_id, const char *format, ...)
221{
222 va_list args;
223
224 /* Check if debug output enabled */
225
226 if (!ACPI_IS_DEBUG_ENABLED(requested_debug_level, component_id)) {
227 return;
228 }
229
230 va_start(args, format);
231 acpi_os_vprintf(format, args);
232 va_end(args);
233}
234
235ACPI_EXPORT_SYMBOL(acpi_debug_print_raw)
236
237/*******************************************************************************
238 *
239 * FUNCTION: acpi_ut_trace
240 *
241 * PARAMETERS: line_number - Caller's line number
242 * function_name - Caller's procedure name
243 * module_name - Caller's module name
244 * component_id - Caller's component ID
245 *
246 * RETURN: None
247 *
248 * DESCRIPTION: Function entry trace. Prints only if TRACE_FUNCTIONS bit is
249 * set in debug_level
250 *
251 ******************************************************************************/
252void
253acpi_ut_trace(u32 line_number,
254 const char *function_name,
255 const char *module_name, u32 component_id)
256{
257
258 acpi_gbl_nesting_level++;
259 acpi_ut_track_stack_ptr();
260
261 /* Check if enabled up-front for performance */
262
263 if (ACPI_IS_DEBUG_ENABLED(ACPI_LV_FUNCTIONS, component_id)) {
264 acpi_debug_print(ACPI_LV_FUNCTIONS,
265 line_number, function_name, module_name,
266 component_id, "%s\n",
267 acpi_gbl_function_entry_prefix);
268 }
269}
270
271ACPI_EXPORT_SYMBOL(acpi_ut_trace)
272
273/*******************************************************************************
274 *
275 * FUNCTION: acpi_ut_trace_ptr
276 *
277 * PARAMETERS: line_number - Caller's line number
278 * function_name - Caller's procedure name
279 * module_name - Caller's module name
280 * component_id - Caller's component ID
281 * pointer - Pointer to display
282 *
283 * RETURN: None
284 *
285 * DESCRIPTION: Function entry trace. Prints only if TRACE_FUNCTIONS bit is
286 * set in debug_level
287 *
288 ******************************************************************************/
289void
290acpi_ut_trace_ptr(u32 line_number,
291 const char *function_name,
292 const char *module_name,
293 u32 component_id, const void *pointer)
294{
295
296 acpi_gbl_nesting_level++;
297 acpi_ut_track_stack_ptr();
298
299 /* Check if enabled up-front for performance */
300
301 if (ACPI_IS_DEBUG_ENABLED(ACPI_LV_FUNCTIONS, component_id)) {
302 acpi_debug_print(ACPI_LV_FUNCTIONS,
303 line_number, function_name, module_name,
304 component_id, "%s %p\n",
305 acpi_gbl_function_entry_prefix, pointer);
306 }
307}
308
309/*******************************************************************************
310 *
311 * FUNCTION: acpi_ut_trace_str
312 *
313 * PARAMETERS: line_number - Caller's line number
314 * function_name - Caller's procedure name
315 * module_name - Caller's module name
316 * component_id - Caller's component ID
317 * string - Additional string to display
318 *
319 * RETURN: None
320 *
321 * DESCRIPTION: Function entry trace. Prints only if TRACE_FUNCTIONS bit is
322 * set in debug_level
323 *
324 ******************************************************************************/
325
326void
327acpi_ut_trace_str(u32 line_number,
328 const char *function_name,
329 const char *module_name, u32 component_id, const char *string)
330{
331
332 acpi_gbl_nesting_level++;
333 acpi_ut_track_stack_ptr();
334
335 /* Check if enabled up-front for performance */
336
337 if (ACPI_IS_DEBUG_ENABLED(ACPI_LV_FUNCTIONS, component_id)) {
338 acpi_debug_print(ACPI_LV_FUNCTIONS,
339 line_number, function_name, module_name,
340 component_id, "%s %s\n",
341 acpi_gbl_function_entry_prefix, string);
342 }
343}
344
345/*******************************************************************************
346 *
347 * FUNCTION: acpi_ut_trace_u32
348 *
349 * PARAMETERS: line_number - Caller's line number
350 * function_name - Caller's procedure name
351 * module_name - Caller's module name
352 * component_id - Caller's component ID
353 * integer - Integer to display
354 *
355 * RETURN: None
356 *
357 * DESCRIPTION: Function entry trace. Prints only if TRACE_FUNCTIONS bit is
358 * set in debug_level
359 *
360 ******************************************************************************/
361
362void
363acpi_ut_trace_u32(u32 line_number,
364 const char *function_name,
365 const char *module_name, u32 component_id, u32 integer)
366{
367
368 acpi_gbl_nesting_level++;
369 acpi_ut_track_stack_ptr();
370
371 /* Check if enabled up-front for performance */
372
373 if (ACPI_IS_DEBUG_ENABLED(ACPI_LV_FUNCTIONS, component_id)) {
374 acpi_debug_print(ACPI_LV_FUNCTIONS,
375 line_number, function_name, module_name,
376 component_id, "%s %08X\n",
377 acpi_gbl_function_entry_prefix, integer);
378 }
379}
380
381/*******************************************************************************
382 *
383 * FUNCTION: acpi_ut_exit
384 *
385 * PARAMETERS: line_number - Caller's line number
386 * function_name - Caller's procedure name
387 * module_name - Caller's module name
388 * component_id - Caller's component ID
389 *
390 * RETURN: None
391 *
392 * DESCRIPTION: Function exit trace. Prints only if TRACE_FUNCTIONS bit is
393 * set in debug_level
394 *
395 ******************************************************************************/
396
397void
398acpi_ut_exit(u32 line_number,
399 const char *function_name,
400 const char *module_name, u32 component_id)
401{
402
403 /* Check if enabled up-front for performance */
404
405 if (ACPI_IS_DEBUG_ENABLED(ACPI_LV_FUNCTIONS, component_id)) {
406 acpi_debug_print(ACPI_LV_FUNCTIONS,
407 line_number, function_name, module_name,
408 component_id, "%s\n",
409 acpi_gbl_function_exit_prefix);
410 }
411
412 if (acpi_gbl_nesting_level) {
413 acpi_gbl_nesting_level--;
414 }
415}
416
417ACPI_EXPORT_SYMBOL(acpi_ut_exit)
418
419/*******************************************************************************
420 *
421 * FUNCTION: acpi_ut_status_exit
422 *
423 * PARAMETERS: line_number - Caller's line number
424 * function_name - Caller's procedure name
425 * module_name - Caller's module name
426 * component_id - Caller's component ID
427 * status - Exit status code
428 *
429 * RETURN: None
430 *
431 * DESCRIPTION: Function exit trace. Prints only if TRACE_FUNCTIONS bit is
432 * set in debug_level. Prints exit status also.
433 *
434 ******************************************************************************/
435void
436acpi_ut_status_exit(u32 line_number,
437 const char *function_name,
438 const char *module_name,
439 u32 component_id, acpi_status status)
440{
441
442 /* Check if enabled up-front for performance */
443
444 if (ACPI_IS_DEBUG_ENABLED(ACPI_LV_FUNCTIONS, component_id)) {
445 if (ACPI_SUCCESS(status)) {
446 acpi_debug_print(ACPI_LV_FUNCTIONS,
447 line_number, function_name,
448 module_name, component_id, "%s %s\n",
449 acpi_gbl_function_exit_prefix,
450 acpi_format_exception(status));
451 } else {
452 acpi_debug_print(ACPI_LV_FUNCTIONS,
453 line_number, function_name,
454 module_name, component_id,
455 "%s ****Exception****: %s\n",
456 acpi_gbl_function_exit_prefix,
457 acpi_format_exception(status));
458 }
459 }
460
461 if (acpi_gbl_nesting_level) {
462 acpi_gbl_nesting_level--;
463 }
464}
465
466ACPI_EXPORT_SYMBOL(acpi_ut_status_exit)
467
468/*******************************************************************************
469 *
470 * FUNCTION: acpi_ut_value_exit
471 *
472 * PARAMETERS: line_number - Caller's line number
473 * function_name - Caller's procedure name
474 * module_name - Caller's module name
475 * component_id - Caller's component ID
476 * value - Value to be printed with exit msg
477 *
478 * RETURN: None
479 *
480 * DESCRIPTION: Function exit trace. Prints only if TRACE_FUNCTIONS bit is
481 * set in debug_level. Prints exit value also.
482 *
483 ******************************************************************************/
484void
485acpi_ut_value_exit(u32 line_number,
486 const char *function_name,
487 const char *module_name, u32 component_id, u64 value)
488{
489
490 /* Check if enabled up-front for performance */
491
492 if (ACPI_IS_DEBUG_ENABLED(ACPI_LV_FUNCTIONS, component_id)) {
493 acpi_debug_print(ACPI_LV_FUNCTIONS,
494 line_number, function_name, module_name,
495 component_id, "%s %8.8X%8.8X\n",
496 acpi_gbl_function_exit_prefix,
497 ACPI_FORMAT_UINT64(value));
498 }
499
500 if (acpi_gbl_nesting_level) {
501 acpi_gbl_nesting_level--;
502 }
503}
504
505ACPI_EXPORT_SYMBOL(acpi_ut_value_exit)
506
507/*******************************************************************************
508 *
509 * FUNCTION: acpi_ut_ptr_exit
510 *
511 * PARAMETERS: line_number - Caller's line number
512 * function_name - Caller's procedure name
513 * module_name - Caller's module name
514 * component_id - Caller's component ID
515 * ptr - Pointer to display
516 *
517 * RETURN: None
518 *
519 * DESCRIPTION: Function exit trace. Prints only if TRACE_FUNCTIONS bit is
520 * set in debug_level. Prints exit value also.
521 *
522 ******************************************************************************/
523void
524acpi_ut_ptr_exit(u32 line_number,
525 const char *function_name,
526 const char *module_name, u32 component_id, u8 *ptr)
527{
528
529 /* Check if enabled up-front for performance */
530
531 if (ACPI_IS_DEBUG_ENABLED(ACPI_LV_FUNCTIONS, component_id)) {
532 acpi_debug_print(ACPI_LV_FUNCTIONS,
533 line_number, function_name, module_name,
534 component_id, "%s %p\n",
535 acpi_gbl_function_exit_prefix, ptr);
536 }
537
538 if (acpi_gbl_nesting_level) {
539 acpi_gbl_nesting_level--;
540 }
541}
542
543/*******************************************************************************
544 *
545 * FUNCTION: acpi_ut_str_exit
546 *
547 * PARAMETERS: line_number - Caller's line number
548 * function_name - Caller's procedure name
549 * module_name - Caller's module name
550 * component_id - Caller's component ID
551 * string - String to display
552 *
553 * RETURN: None
554 *
555 * DESCRIPTION: Function exit trace. Prints only if TRACE_FUNCTIONS bit is
556 * set in debug_level. Prints exit value also.
557 *
558 ******************************************************************************/
559
560void
561acpi_ut_str_exit(u32 line_number,
562 const char *function_name,
563 const char *module_name, u32 component_id, const char *string)
564{
565
566 /* Check if enabled up-front for performance */
567
568 if (ACPI_IS_DEBUG_ENABLED(ACPI_LV_FUNCTIONS, component_id)) {
569 acpi_debug_print(ACPI_LV_FUNCTIONS,
570 line_number, function_name, module_name,
571 component_id, "%s %s\n",
572 acpi_gbl_function_exit_prefix, string);
573 }
574
575 if (acpi_gbl_nesting_level) {
576 acpi_gbl_nesting_level--;
577 }
578}
579
580/*******************************************************************************
581 *
582 * FUNCTION: acpi_trace_point
583 *
584 * PARAMETERS: type - Trace event type
585 * begin - TRUE if before execution
586 * aml - Executed AML address
587 * pathname - Object path
588 * pointer - Pointer to the related object
589 *
590 * RETURN: None
591 *
592 * DESCRIPTION: Interpreter execution trace.
593 *
594 ******************************************************************************/
595
596void
597acpi_trace_point(acpi_trace_event_type type, u8 begin, u8 *aml, char *pathname)
598{
599
600 ACPI_FUNCTION_ENTRY();
601
602 acpi_ex_trace_point(type, begin, aml, pathname);
603
604#ifdef ACPI_USE_SYSTEM_TRACER
605 acpi_os_trace_point(type, begin, aml, pathname);
606#endif
607}
608
609ACPI_EXPORT_SYMBOL(acpi_trace_point)
610
611#endif