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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 - 2020, 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-%04d ", 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("[%02d] %*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
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 - 2023, 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#pragma GCC diagnostic push
41#if defined(__GNUC__) && __GNUC__ >= 12
42#pragma GCC diagnostic ignored "-Wdangling-pointer="
43#endif
44 acpi_gbl_entry_stack_pointer = ¤t_sp;
45#pragma GCC diagnostic pop
46}
47
48/*******************************************************************************
49 *
50 * FUNCTION: acpi_ut_track_stack_ptr
51 *
52 * PARAMETERS: None
53 *
54 * RETURN: None
55 *
56 * DESCRIPTION: Save the current CPU stack pointer
57 *
58 ******************************************************************************/
59
60void acpi_ut_track_stack_ptr(void)
61{
62 acpi_size current_sp;
63
64 if (¤t_sp < acpi_gbl_lowest_stack_pointer) {
65 acpi_gbl_lowest_stack_pointer = ¤t_sp;
66 }
67
68 if (acpi_gbl_nesting_level > acpi_gbl_deepest_nesting) {
69 acpi_gbl_deepest_nesting = acpi_gbl_nesting_level;
70 }
71}
72
73/*******************************************************************************
74 *
75 * FUNCTION: acpi_ut_trim_function_name
76 *
77 * PARAMETERS: function_name - Ascii string containing a procedure name
78 *
79 * RETURN: Updated pointer to the function name
80 *
81 * DESCRIPTION: Remove the "Acpi" prefix from the function name, if present.
82 * This allows compiler macros such as __func__ to be used
83 * with no change to the debug output.
84 *
85 ******************************************************************************/
86
87static const char *acpi_ut_trim_function_name(const char *function_name)
88{
89
90 /* All Function names are longer than 4 chars, check is safe */
91
92 if (*(ACPI_CAST_PTR(u32, function_name)) == ACPI_PREFIX_MIXED) {
93
94 /* This is the case where the original source has not been modified */
95
96 return (function_name + 4);
97 }
98
99 if (*(ACPI_CAST_PTR(u32, function_name)) == ACPI_PREFIX_LOWER) {
100
101 /* This is the case where the source has been 'linuxized' */
102
103 return (function_name + 5);
104 }
105
106 return (function_name);
107}
108
109/*******************************************************************************
110 *
111 * FUNCTION: acpi_debug_print
112 *
113 * PARAMETERS: requested_debug_level - Requested debug print level
114 * line_number - Caller's line number (for error output)
115 * function_name - Caller's procedure name
116 * module_name - Caller's module name
117 * component_id - Caller's component ID
118 * format - Printf format field
119 * ... - Optional printf arguments
120 *
121 * RETURN: None
122 *
123 * DESCRIPTION: Print error message with prefix consisting of the module name,
124 * line number, and component ID.
125 *
126 ******************************************************************************/
127
128void ACPI_INTERNAL_VAR_XFACE
129acpi_debug_print(u32 requested_debug_level,
130 u32 line_number,
131 const char *function_name,
132 const char *module_name,
133 u32 component_id, const char *format, ...)
134{
135 acpi_thread_id thread_id;
136 va_list args;
137#ifdef ACPI_APPLICATION
138 int fill_count;
139#endif
140
141 /* Check if debug output enabled */
142
143 if (!ACPI_IS_DEBUG_ENABLED(requested_debug_level, component_id)) {
144 return;
145 }
146
147 /*
148 * Thread tracking and context switch notification
149 */
150 thread_id = acpi_os_get_thread_id();
151 if (thread_id != acpi_gbl_previous_thread_id) {
152 if (ACPI_LV_THREADS & acpi_dbg_level) {
153 acpi_os_printf
154 ("\n**** Context Switch from TID %u to TID %u ****\n\n",
155 (u32)acpi_gbl_previous_thread_id, (u32)thread_id);
156 }
157
158 acpi_gbl_previous_thread_id = thread_id;
159 acpi_gbl_nesting_level = 0;
160 }
161
162 /*
163 * Display the module name, current line number, thread ID (if requested),
164 * current procedure nesting level, and the current procedure name
165 */
166 acpi_os_printf("%9s-%04d ", module_name, line_number);
167
168#ifdef ACPI_APPLICATION
169 /*
170 * For acpi_exec/iASL only, emit the thread ID and nesting level.
171 * Note: nesting level is really only useful during a single-thread
172 * execution. Otherwise, multiple threads will keep resetting the
173 * level.
174 */
175 if (ACPI_LV_THREADS & acpi_dbg_level) {
176 acpi_os_printf("[%u] ", (u32)thread_id);
177 }
178
179 fill_count = 48 - acpi_gbl_nesting_level -
180 strlen(acpi_ut_trim_function_name(function_name));
181 if (fill_count < 0) {
182 fill_count = 0;
183 }
184
185 acpi_os_printf("[%02d] %*s",
186 acpi_gbl_nesting_level, acpi_gbl_nesting_level + 1, " ");
187 acpi_os_printf("%s%*s: ",
188 acpi_ut_trim_function_name(function_name), fill_count,
189 " ");
190
191#else
192 acpi_os_printf("%-22.22s: ", acpi_ut_trim_function_name(function_name));
193#endif
194
195 va_start(args, format);
196 acpi_os_vprintf(format, args);
197 va_end(args);
198}
199
200ACPI_EXPORT_SYMBOL(acpi_debug_print)
201
202/*******************************************************************************
203 *
204 * FUNCTION: acpi_debug_print_raw
205 *
206 * PARAMETERS: requested_debug_level - Requested debug print level
207 * line_number - Caller's line number
208 * function_name - Caller's procedure name
209 * module_name - Caller's module name
210 * component_id - Caller's component ID
211 * format - Printf format field
212 * ... - Optional printf arguments
213 *
214 * RETURN: None
215 *
216 * DESCRIPTION: Print message with no headers. Has same interface as
217 * debug_print so that the same macros can be used.
218 *
219 ******************************************************************************/
220void ACPI_INTERNAL_VAR_XFACE
221acpi_debug_print_raw(u32 requested_debug_level,
222 u32 line_number,
223 const char *function_name,
224 const char *module_name,
225 u32 component_id, const char *format, ...)
226{
227 va_list args;
228
229 /* Check if debug output enabled */
230
231 if (!ACPI_IS_DEBUG_ENABLED(requested_debug_level, component_id)) {
232 return;
233 }
234
235 va_start(args, format);
236 acpi_os_vprintf(format, args);
237 va_end(args);
238}
239
240ACPI_EXPORT_SYMBOL(acpi_debug_print_raw)
241
242/*******************************************************************************
243 *
244 * FUNCTION: acpi_ut_trace
245 *
246 * PARAMETERS: line_number - Caller's line number
247 * function_name - Caller's procedure name
248 * module_name - Caller's module name
249 * component_id - Caller's component ID
250 *
251 * RETURN: None
252 *
253 * DESCRIPTION: Function entry trace. Prints only if TRACE_FUNCTIONS bit is
254 * set in debug_level
255 *
256 ******************************************************************************/
257void
258acpi_ut_trace(u32 line_number,
259 const char *function_name,
260 const char *module_name, u32 component_id)
261{
262
263 acpi_gbl_nesting_level++;
264 acpi_ut_track_stack_ptr();
265
266 /* Check if enabled up-front for performance */
267
268 if (ACPI_IS_DEBUG_ENABLED(ACPI_LV_FUNCTIONS, component_id)) {
269 acpi_debug_print(ACPI_LV_FUNCTIONS,
270 line_number, function_name, module_name,
271 component_id, "%s\n",
272 acpi_gbl_function_entry_prefix);
273 }
274}
275
276ACPI_EXPORT_SYMBOL(acpi_ut_trace)
277
278/*******************************************************************************
279 *
280 * FUNCTION: acpi_ut_trace_ptr
281 *
282 * PARAMETERS: line_number - Caller's line number
283 * function_name - Caller's procedure name
284 * module_name - Caller's module name
285 * component_id - Caller's component ID
286 * pointer - Pointer to display
287 *
288 * RETURN: None
289 *
290 * DESCRIPTION: Function entry trace. Prints only if TRACE_FUNCTIONS bit is
291 * set in debug_level
292 *
293 ******************************************************************************/
294void
295acpi_ut_trace_ptr(u32 line_number,
296 const char *function_name,
297 const char *module_name,
298 u32 component_id, const void *pointer)
299{
300
301 acpi_gbl_nesting_level++;
302 acpi_ut_track_stack_ptr();
303
304 /* Check if enabled up-front for performance */
305
306 if (ACPI_IS_DEBUG_ENABLED(ACPI_LV_FUNCTIONS, component_id)) {
307 acpi_debug_print(ACPI_LV_FUNCTIONS,
308 line_number, function_name, module_name,
309 component_id, "%s %p\n",
310 acpi_gbl_function_entry_prefix, pointer);
311 }
312}
313
314/*******************************************************************************
315 *
316 * FUNCTION: acpi_ut_trace_str
317 *
318 * PARAMETERS: line_number - Caller's line number
319 * function_name - Caller's procedure name
320 * module_name - Caller's module name
321 * component_id - Caller's component ID
322 * string - Additional string to display
323 *
324 * RETURN: None
325 *
326 * DESCRIPTION: Function entry trace. Prints only if TRACE_FUNCTIONS bit is
327 * set in debug_level
328 *
329 ******************************************************************************/
330
331void
332acpi_ut_trace_str(u32 line_number,
333 const char *function_name,
334 const char *module_name, u32 component_id, const char *string)
335{
336
337 acpi_gbl_nesting_level++;
338 acpi_ut_track_stack_ptr();
339
340 /* Check if enabled up-front for performance */
341
342 if (ACPI_IS_DEBUG_ENABLED(ACPI_LV_FUNCTIONS, component_id)) {
343 acpi_debug_print(ACPI_LV_FUNCTIONS,
344 line_number, function_name, module_name,
345 component_id, "%s %s\n",
346 acpi_gbl_function_entry_prefix, string);
347 }
348}
349
350/*******************************************************************************
351 *
352 * FUNCTION: acpi_ut_trace_u32
353 *
354 * PARAMETERS: line_number - Caller's line number
355 * function_name - Caller's procedure name
356 * module_name - Caller's module name
357 * component_id - Caller's component ID
358 * integer - Integer to display
359 *
360 * RETURN: None
361 *
362 * DESCRIPTION: Function entry trace. Prints only if TRACE_FUNCTIONS bit is
363 * set in debug_level
364 *
365 ******************************************************************************/
366
367void
368acpi_ut_trace_u32(u32 line_number,
369 const char *function_name,
370 const char *module_name, u32 component_id, u32 integer)
371{
372
373 acpi_gbl_nesting_level++;
374 acpi_ut_track_stack_ptr();
375
376 /* Check if enabled up-front for performance */
377
378 if (ACPI_IS_DEBUG_ENABLED(ACPI_LV_FUNCTIONS, component_id)) {
379 acpi_debug_print(ACPI_LV_FUNCTIONS,
380 line_number, function_name, module_name,
381 component_id, "%s %08X\n",
382 acpi_gbl_function_entry_prefix, integer);
383 }
384}
385
386/*******************************************************************************
387 *
388 * FUNCTION: acpi_ut_exit
389 *
390 * PARAMETERS: line_number - Caller's line number
391 * function_name - Caller's procedure name
392 * module_name - Caller's module name
393 * component_id - Caller's component ID
394 *
395 * RETURN: None
396 *
397 * DESCRIPTION: Function exit trace. Prints only if TRACE_FUNCTIONS bit is
398 * set in debug_level
399 *
400 ******************************************************************************/
401
402void
403acpi_ut_exit(u32 line_number,
404 const char *function_name,
405 const char *module_name, u32 component_id)
406{
407
408 /* Check if enabled up-front for performance */
409
410 if (ACPI_IS_DEBUG_ENABLED(ACPI_LV_FUNCTIONS, component_id)) {
411 acpi_debug_print(ACPI_LV_FUNCTIONS,
412 line_number, function_name, module_name,
413 component_id, "%s\n",
414 acpi_gbl_function_exit_prefix);
415 }
416
417 if (acpi_gbl_nesting_level) {
418 acpi_gbl_nesting_level--;
419 }
420}
421
422ACPI_EXPORT_SYMBOL(acpi_ut_exit)
423
424/*******************************************************************************
425 *
426 * FUNCTION: acpi_ut_status_exit
427 *
428 * PARAMETERS: line_number - Caller's line number
429 * function_name - Caller's procedure name
430 * module_name - Caller's module name
431 * component_id - Caller's component ID
432 * status - Exit status code
433 *
434 * RETURN: None
435 *
436 * DESCRIPTION: Function exit trace. Prints only if TRACE_FUNCTIONS bit is
437 * set in debug_level. Prints exit status also.
438 *
439 ******************************************************************************/
440void
441acpi_ut_status_exit(u32 line_number,
442 const char *function_name,
443 const char *module_name,
444 u32 component_id, acpi_status status)
445{
446
447 /* Check if enabled up-front for performance */
448
449 if (ACPI_IS_DEBUG_ENABLED(ACPI_LV_FUNCTIONS, component_id)) {
450 if (ACPI_SUCCESS(status)) {
451 acpi_debug_print(ACPI_LV_FUNCTIONS,
452 line_number, function_name,
453 module_name, component_id, "%s %s\n",
454 acpi_gbl_function_exit_prefix,
455 acpi_format_exception(status));
456 } else {
457 acpi_debug_print(ACPI_LV_FUNCTIONS,
458 line_number, function_name,
459 module_name, component_id,
460 "%s ****Exception****: %s\n",
461 acpi_gbl_function_exit_prefix,
462 acpi_format_exception(status));
463 }
464 }
465
466 if (acpi_gbl_nesting_level) {
467 acpi_gbl_nesting_level--;
468 }
469}
470
471ACPI_EXPORT_SYMBOL(acpi_ut_status_exit)
472
473/*******************************************************************************
474 *
475 * FUNCTION: acpi_ut_value_exit
476 *
477 * PARAMETERS: line_number - Caller's line number
478 * function_name - Caller's procedure name
479 * module_name - Caller's module name
480 * component_id - Caller's component ID
481 * value - Value to be printed with exit msg
482 *
483 * RETURN: None
484 *
485 * DESCRIPTION: Function exit trace. Prints only if TRACE_FUNCTIONS bit is
486 * set in debug_level. Prints exit value also.
487 *
488 ******************************************************************************/
489void
490acpi_ut_value_exit(u32 line_number,
491 const char *function_name,
492 const char *module_name, u32 component_id, u64 value)
493{
494
495 /* Check if enabled up-front for performance */
496
497 if (ACPI_IS_DEBUG_ENABLED(ACPI_LV_FUNCTIONS, component_id)) {
498 acpi_debug_print(ACPI_LV_FUNCTIONS,
499 line_number, function_name, module_name,
500 component_id, "%s %8.8X%8.8X\n",
501 acpi_gbl_function_exit_prefix,
502 ACPI_FORMAT_UINT64(value));
503 }
504
505 if (acpi_gbl_nesting_level) {
506 acpi_gbl_nesting_level--;
507 }
508}
509
510ACPI_EXPORT_SYMBOL(acpi_ut_value_exit)
511
512/*******************************************************************************
513 *
514 * FUNCTION: acpi_ut_ptr_exit
515 *
516 * PARAMETERS: line_number - Caller's line number
517 * function_name - Caller's procedure name
518 * module_name - Caller's module name
519 * component_id - Caller's component ID
520 * ptr - Pointer to display
521 *
522 * RETURN: None
523 *
524 * DESCRIPTION: Function exit trace. Prints only if TRACE_FUNCTIONS bit is
525 * set in debug_level. Prints exit value also.
526 *
527 ******************************************************************************/
528void
529acpi_ut_ptr_exit(u32 line_number,
530 const char *function_name,
531 const char *module_name, u32 component_id, u8 *ptr)
532{
533
534 /* Check if enabled up-front for performance */
535
536 if (ACPI_IS_DEBUG_ENABLED(ACPI_LV_FUNCTIONS, component_id)) {
537 acpi_debug_print(ACPI_LV_FUNCTIONS,
538 line_number, function_name, module_name,
539 component_id, "%s %p\n",
540 acpi_gbl_function_exit_prefix, ptr);
541 }
542
543 if (acpi_gbl_nesting_level) {
544 acpi_gbl_nesting_level--;
545 }
546}
547
548/*******************************************************************************
549 *
550 * FUNCTION: acpi_ut_str_exit
551 *
552 * PARAMETERS: line_number - Caller's line number
553 * function_name - Caller's procedure name
554 * module_name - Caller's module name
555 * component_id - Caller's component ID
556 * string - String to display
557 *
558 * RETURN: None
559 *
560 * DESCRIPTION: Function exit trace. Prints only if TRACE_FUNCTIONS bit is
561 * set in debug_level. Prints exit value also.
562 *
563 ******************************************************************************/
564
565void
566acpi_ut_str_exit(u32 line_number,
567 const char *function_name,
568 const char *module_name, u32 component_id, const char *string)
569{
570
571 /* Check if enabled up-front for performance */
572
573 if (ACPI_IS_DEBUG_ENABLED(ACPI_LV_FUNCTIONS, component_id)) {
574 acpi_debug_print(ACPI_LV_FUNCTIONS,
575 line_number, function_name, module_name,
576 component_id, "%s %s\n",
577 acpi_gbl_function_exit_prefix, string);
578 }
579
580 if (acpi_gbl_nesting_level) {
581 acpi_gbl_nesting_level--;
582 }
583}
584
585/*******************************************************************************
586 *
587 * FUNCTION: acpi_trace_point
588 *
589 * PARAMETERS: type - Trace event type
590 * begin - TRUE if before execution
591 * aml - Executed AML address
592 * pathname - Object path
593 * pointer - Pointer to the related object
594 *
595 * RETURN: None
596 *
597 * DESCRIPTION: Interpreter execution trace.
598 *
599 ******************************************************************************/
600
601void
602acpi_trace_point(acpi_trace_event_type type, u8 begin, u8 *aml, char *pathname)
603{
604
605 ACPI_FUNCTION_ENTRY();
606
607 acpi_ex_trace_point(type, begin, aml, pathname);
608
609#ifdef ACPI_USE_SYSTEM_TRACER
610 acpi_os_trace_point(type, begin, aml, pathname);
611#endif
612}
613
614ACPI_EXPORT_SYMBOL(acpi_trace_point)
615
616#endif