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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 | // SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 /****************************************************************************** * * Module Name: utdebug - Debug print/trace routines * * Copyright (C) 2000 - 2021, Intel Corp. * *****************************************************************************/ #define EXPORT_ACPI_INTERFACES #include <acpi/acpi.h> #include "accommon.h" #include "acinterp.h" #define _COMPONENT ACPI_UTILITIES ACPI_MODULE_NAME("utdebug") #ifdef ACPI_DEBUG_OUTPUT static acpi_thread_id acpi_gbl_previous_thread_id = (acpi_thread_id) 0xFFFFFFFF; static const char *acpi_gbl_function_entry_prefix = "----Entry"; static const char *acpi_gbl_function_exit_prefix = "----Exit-"; /******************************************************************************* * * FUNCTION: acpi_ut_init_stack_ptr_trace * * PARAMETERS: None * * RETURN: None * * DESCRIPTION: Save the current CPU stack pointer at subsystem startup * ******************************************************************************/ void acpi_ut_init_stack_ptr_trace(void) { acpi_size current_sp; acpi_gbl_entry_stack_pointer = ¤t_sp; } /******************************************************************************* * * FUNCTION: acpi_ut_track_stack_ptr * * PARAMETERS: None * * RETURN: None * * DESCRIPTION: Save the current CPU stack pointer * ******************************************************************************/ void acpi_ut_track_stack_ptr(void) { acpi_size current_sp; if (¤t_sp < acpi_gbl_lowest_stack_pointer) { acpi_gbl_lowest_stack_pointer = ¤t_sp; } if (acpi_gbl_nesting_level > acpi_gbl_deepest_nesting) { acpi_gbl_deepest_nesting = acpi_gbl_nesting_level; } } /******************************************************************************* * * FUNCTION: acpi_ut_trim_function_name * * PARAMETERS: function_name - Ascii string containing a procedure name * * RETURN: Updated pointer to the function name * * DESCRIPTION: Remove the "Acpi" prefix from the function name, if present. * This allows compiler macros such as __func__ to be used * with no change to the debug output. * ******************************************************************************/ static const char *acpi_ut_trim_function_name(const char *function_name) { /* All Function names are longer than 4 chars, check is safe */ if (*(ACPI_CAST_PTR(u32, function_name)) == ACPI_PREFIX_MIXED) { /* This is the case where the original source has not been modified */ return (function_name + 4); } if (*(ACPI_CAST_PTR(u32, function_name)) == ACPI_PREFIX_LOWER) { /* This is the case where the source has been 'linuxized' */ return (function_name + 5); } return (function_name); } /******************************************************************************* * * FUNCTION: acpi_debug_print * * PARAMETERS: requested_debug_level - Requested debug print level * line_number - Caller's line number (for error output) * function_name - Caller's procedure name * module_name - Caller's module name * component_id - Caller's component ID * format - Printf format field * ... - Optional printf arguments * * RETURN: None * * DESCRIPTION: Print error message with prefix consisting of the module name, * line number, and component ID. * ******************************************************************************/ void ACPI_INTERNAL_VAR_XFACE acpi_debug_print(u32 requested_debug_level, u32 line_number, const char *function_name, const char *module_name, u32 component_id, const char *format, ...) { acpi_thread_id thread_id; va_list args; #ifdef ACPI_APPLICATION int fill_count; #endif /* Check if debug output enabled */ if (!ACPI_IS_DEBUG_ENABLED(requested_debug_level, component_id)) { return; } /* * Thread tracking and context switch notification */ thread_id = acpi_os_get_thread_id(); if (thread_id != acpi_gbl_previous_thread_id) { if (ACPI_LV_THREADS & acpi_dbg_level) { acpi_os_printf ("\n**** Context Switch from TID %u to TID %u ****\n\n", (u32)acpi_gbl_previous_thread_id, (u32)thread_id); } acpi_gbl_previous_thread_id = thread_id; acpi_gbl_nesting_level = 0; } /* * Display the module name, current line number, thread ID (if requested), * current procedure nesting level, and the current procedure name */ acpi_os_printf("%9s-%04d ", module_name, line_number); #ifdef ACPI_APPLICATION /* * For acpi_exec/iASL only, emit the thread ID and nesting level. * Note: nesting level is really only useful during a single-thread * execution. Otherwise, multiple threads will keep resetting the * level. */ if (ACPI_LV_THREADS & acpi_dbg_level) { acpi_os_printf("[%u] ", (u32)thread_id); } fill_count = 48 - acpi_gbl_nesting_level - strlen(acpi_ut_trim_function_name(function_name)); if (fill_count < 0) { fill_count = 0; } acpi_os_printf("[%02d] %*s", acpi_gbl_nesting_level, acpi_gbl_nesting_level + 1, " "); acpi_os_printf("%s%*s: ", acpi_ut_trim_function_name(function_name), fill_count, " "); #else acpi_os_printf("%-22.22s: ", acpi_ut_trim_function_name(function_name)); #endif va_start(args, format); acpi_os_vprintf(format, args); va_end(args); } ACPI_EXPORT_SYMBOL(acpi_debug_print) /******************************************************************************* * * FUNCTION: acpi_debug_print_raw * * PARAMETERS: requested_debug_level - Requested debug print level * line_number - Caller's line number * function_name - Caller's procedure name * module_name - Caller's module name * component_id - Caller's component ID * format - Printf format field * ... - Optional printf arguments * * RETURN: None * * DESCRIPTION: Print message with no headers. Has same interface as * debug_print so that the same macros can be used. * ******************************************************************************/ void ACPI_INTERNAL_VAR_XFACE acpi_debug_print_raw(u32 requested_debug_level, u32 line_number, const char *function_name, const char *module_name, u32 component_id, const char *format, ...) { va_list args; /* Check if debug output enabled */ if (!ACPI_IS_DEBUG_ENABLED(requested_debug_level, component_id)) { return; } va_start(args, format); acpi_os_vprintf(format, args); va_end(args); } ACPI_EXPORT_SYMBOL(acpi_debug_print_raw) /******************************************************************************* * * FUNCTION: acpi_ut_trace * * PARAMETERS: line_number - Caller's line number * function_name - Caller's procedure name * module_name - Caller's module name * component_id - Caller's component ID * * RETURN: None * * DESCRIPTION: Function entry trace. Prints only if TRACE_FUNCTIONS bit is * set in debug_level * ******************************************************************************/ void acpi_ut_trace(u32 line_number, const char *function_name, const char *module_name, u32 component_id) { acpi_gbl_nesting_level++; acpi_ut_track_stack_ptr(); /* Check if enabled up-front for performance */ if (ACPI_IS_DEBUG_ENABLED(ACPI_LV_FUNCTIONS, component_id)) { acpi_debug_print(ACPI_LV_FUNCTIONS, line_number, function_name, module_name, component_id, "%s\n", acpi_gbl_function_entry_prefix); } } ACPI_EXPORT_SYMBOL(acpi_ut_trace) /******************************************************************************* * * FUNCTION: acpi_ut_trace_ptr * * PARAMETERS: line_number - Caller's line number * function_name - Caller's procedure name * module_name - Caller's module name * component_id - Caller's component ID * pointer - Pointer to display * * RETURN: None * * DESCRIPTION: Function entry trace. Prints only if TRACE_FUNCTIONS bit is * set in debug_level * ******************************************************************************/ void acpi_ut_trace_ptr(u32 line_number, const char *function_name, const char *module_name, u32 component_id, const void *pointer) { acpi_gbl_nesting_level++; acpi_ut_track_stack_ptr(); /* Check if enabled up-front for performance */ if (ACPI_IS_DEBUG_ENABLED(ACPI_LV_FUNCTIONS, component_id)) { acpi_debug_print(ACPI_LV_FUNCTIONS, line_number, function_name, module_name, component_id, "%s %p\n", acpi_gbl_function_entry_prefix, pointer); } } /******************************************************************************* * * FUNCTION: acpi_ut_trace_str * * PARAMETERS: line_number - Caller's line number * function_name - Caller's procedure name * module_name - Caller's module name * component_id - Caller's component ID * string - Additional string to display * * RETURN: None * * DESCRIPTION: Function entry trace. Prints only if TRACE_FUNCTIONS bit is * set in debug_level * ******************************************************************************/ void acpi_ut_trace_str(u32 line_number, const char *function_name, const char *module_name, u32 component_id, const char *string) { acpi_gbl_nesting_level++; acpi_ut_track_stack_ptr(); /* Check if enabled up-front for performance */ if (ACPI_IS_DEBUG_ENABLED(ACPI_LV_FUNCTIONS, component_id)) { acpi_debug_print(ACPI_LV_FUNCTIONS, line_number, function_name, module_name, component_id, "%s %s\n", acpi_gbl_function_entry_prefix, string); } } /******************************************************************************* * * FUNCTION: acpi_ut_trace_u32 * * PARAMETERS: line_number - Caller's line number * function_name - Caller's procedure name * module_name - Caller's module name * component_id - Caller's component ID * integer - Integer to display * * RETURN: None * * DESCRIPTION: Function entry trace. Prints only if TRACE_FUNCTIONS bit is * set in debug_level * ******************************************************************************/ void acpi_ut_trace_u32(u32 line_number, const char *function_name, const char *module_name, u32 component_id, u32 integer) { acpi_gbl_nesting_level++; acpi_ut_track_stack_ptr(); /* Check if enabled up-front for performance */ if (ACPI_IS_DEBUG_ENABLED(ACPI_LV_FUNCTIONS, component_id)) { acpi_debug_print(ACPI_LV_FUNCTIONS, line_number, function_name, module_name, component_id, "%s %08X\n", acpi_gbl_function_entry_prefix, integer); } } /******************************************************************************* * * FUNCTION: acpi_ut_exit * * PARAMETERS: line_number - Caller's line number * function_name - Caller's procedure name * module_name - Caller's module name * component_id - Caller's component ID * * RETURN: None * * DESCRIPTION: Function exit trace. Prints only if TRACE_FUNCTIONS bit is * set in debug_level * ******************************************************************************/ void acpi_ut_exit(u32 line_number, const char *function_name, const char *module_name, u32 component_id) { /* Check if enabled up-front for performance */ if (ACPI_IS_DEBUG_ENABLED(ACPI_LV_FUNCTIONS, component_id)) { acpi_debug_print(ACPI_LV_FUNCTIONS, line_number, function_name, module_name, component_id, "%s\n", acpi_gbl_function_exit_prefix); } if (acpi_gbl_nesting_level) { acpi_gbl_nesting_level--; } } ACPI_EXPORT_SYMBOL(acpi_ut_exit) /******************************************************************************* * * FUNCTION: acpi_ut_status_exit * * PARAMETERS: line_number - Caller's line number * function_name - Caller's procedure name * module_name - Caller's module name * component_id - Caller's component ID * status - Exit status code * * RETURN: None * * DESCRIPTION: Function exit trace. Prints only if TRACE_FUNCTIONS bit is * set in debug_level. Prints exit status also. * ******************************************************************************/ void acpi_ut_status_exit(u32 line_number, const char *function_name, const char *module_name, u32 component_id, acpi_status status) { /* Check if enabled up-front for performance */ if (ACPI_IS_DEBUG_ENABLED(ACPI_LV_FUNCTIONS, component_id)) { if (ACPI_SUCCESS(status)) { acpi_debug_print(ACPI_LV_FUNCTIONS, line_number, function_name, module_name, component_id, "%s %s\n", acpi_gbl_function_exit_prefix, acpi_format_exception(status)); } else { acpi_debug_print(ACPI_LV_FUNCTIONS, line_number, function_name, module_name, component_id, "%s ****Exception****: %s\n", acpi_gbl_function_exit_prefix, acpi_format_exception(status)); } } if (acpi_gbl_nesting_level) { acpi_gbl_nesting_level--; } } ACPI_EXPORT_SYMBOL(acpi_ut_status_exit) /******************************************************************************* * * FUNCTION: acpi_ut_value_exit * * PARAMETERS: line_number - Caller's line number * function_name - Caller's procedure name * module_name - Caller's module name * component_id - Caller's component ID * value - Value to be printed with exit msg * * RETURN: None * * DESCRIPTION: Function exit trace. Prints only if TRACE_FUNCTIONS bit is * set in debug_level. Prints exit value also. * ******************************************************************************/ void acpi_ut_value_exit(u32 line_number, const char *function_name, const char *module_name, u32 component_id, u64 value) { /* Check if enabled up-front for performance */ if (ACPI_IS_DEBUG_ENABLED(ACPI_LV_FUNCTIONS, component_id)) { acpi_debug_print(ACPI_LV_FUNCTIONS, line_number, function_name, module_name, component_id, "%s %8.8X%8.8X\n", acpi_gbl_function_exit_prefix, ACPI_FORMAT_UINT64(value)); } if (acpi_gbl_nesting_level) { acpi_gbl_nesting_level--; } } ACPI_EXPORT_SYMBOL(acpi_ut_value_exit) /******************************************************************************* * * FUNCTION: acpi_ut_ptr_exit * * PARAMETERS: line_number - Caller's line number * function_name - Caller's procedure name * module_name - Caller's module name * component_id - Caller's component ID * ptr - Pointer to display * * RETURN: None * * DESCRIPTION: Function exit trace. Prints only if TRACE_FUNCTIONS bit is * set in debug_level. Prints exit value also. * ******************************************************************************/ void acpi_ut_ptr_exit(u32 line_number, const char *function_name, const char *module_name, u32 component_id, u8 *ptr) { /* Check if enabled up-front for performance */ if (ACPI_IS_DEBUG_ENABLED(ACPI_LV_FUNCTIONS, component_id)) { acpi_debug_print(ACPI_LV_FUNCTIONS, line_number, function_name, module_name, component_id, "%s %p\n", acpi_gbl_function_exit_prefix, ptr); } if (acpi_gbl_nesting_level) { acpi_gbl_nesting_level--; } } /******************************************************************************* * * FUNCTION: acpi_ut_str_exit * * PARAMETERS: line_number - Caller's line number * function_name - Caller's procedure name * module_name - Caller's module name * component_id - Caller's component ID * string - String to display * * RETURN: None * * DESCRIPTION: Function exit trace. Prints only if TRACE_FUNCTIONS bit is * set in debug_level. Prints exit value also. * ******************************************************************************/ void acpi_ut_str_exit(u32 line_number, const char *function_name, const char *module_name, u32 component_id, const char *string) { /* Check if enabled up-front for performance */ if (ACPI_IS_DEBUG_ENABLED(ACPI_LV_FUNCTIONS, component_id)) { acpi_debug_print(ACPI_LV_FUNCTIONS, line_number, function_name, module_name, component_id, "%s %s\n", acpi_gbl_function_exit_prefix, string); } if (acpi_gbl_nesting_level) { acpi_gbl_nesting_level--; } } /******************************************************************************* * * FUNCTION: acpi_trace_point * * PARAMETERS: type - Trace event type * begin - TRUE if before execution * aml - Executed AML address * pathname - Object path * pointer - Pointer to the related object * * RETURN: None * * DESCRIPTION: Interpreter execution trace. * ******************************************************************************/ void acpi_trace_point(acpi_trace_event_type type, u8 begin, u8 *aml, char *pathname) { ACPI_FUNCTION_ENTRY(); acpi_ex_trace_point(type, begin, aml, pathname); #ifdef ACPI_USE_SYSTEM_TRACER acpi_os_trace_point(type, begin, aml, pathname); #endif } ACPI_EXPORT_SYMBOL(acpi_trace_point) #endif |