1 /* 2 * Copyright 2004-2009, Haiku Inc. All Rights Reserved. 3 * Distributed under the terms of the MIT License. 4 */ 5 #ifndef _OS_H 6 #define _OS_H 7 8 //! Kernel specific structures and functions 9 10 #include <pthread.h> 11 #include <stdarg.h> 12 13 #include <SupportDefs.h> 14 #include <StorageDefs.h> 15 16 17 #ifdef __cplusplus 18 extern "C" { 19 #endif 20 21 /* System constants */ 22 23 #define B_OS_NAME_LENGTH 32 24 #define B_PAGE_SIZE 4096 25 #define B_INFINITE_TIMEOUT (9223372036854775807LL) 26 27 enum { 28 B_TIMEOUT = 0x8, /* relative timeout */ 29 B_RELATIVE_TIMEOUT = 0x8, /* fails after a relative timeout 30 with B_TIMED_OUT */ 31 B_ABSOLUTE_TIMEOUT = 0x10, /* fails after an absolute timeout 32 with B_TIMED_OUT */ 33 34 /* experimental Haiku only API */ 35 B_TIMEOUT_REAL_TIME_BASE = 0x40, 36 B_ABSOLUTE_REAL_TIME_TIMEOUT = B_ABSOLUTE_TIMEOUT 37 | B_TIMEOUT_REAL_TIME_BASE 38 }; 39 40 41 /* Types */ 42 43 typedef int32 area_id; 44 typedef int32 port_id; 45 typedef int32 sem_id; 46 typedef int32 team_id; 47 typedef int32 thread_id; 48 49 50 /* Areas */ 51 52 typedef struct area_info { 53 area_id area; 54 char name[B_OS_NAME_LENGTH]; 55 size_t size; 56 uint32 lock; 57 uint32 protection; 58 team_id team; 59 uint32 ram_size; 60 uint32 copy_count; 61 uint32 in_count; 62 uint32 out_count; 63 void *address; 64 } area_info; 65 66 /* area locking */ 67 #define B_NO_LOCK 0 68 #define B_LAZY_LOCK 1 69 #define B_FULL_LOCK 2 70 #define B_CONTIGUOUS 3 71 #define B_LOMEM 4 /* B_CONTIGUOUS, < 16 MB physical address */ 72 #define B_32_BIT_FULL_LOCK 5 /* B_FULL_LOCK, < 4 GB physical addresses */ 73 #define B_32_BIT_CONTIGUOUS 6 /* B_CONTIGUOUS, < 4 GB physical address */ 74 75 /* address spec for create_area(), and clone_area() */ 76 #define B_ANY_ADDRESS 0 77 #define B_EXACT_ADDRESS 1 78 #define B_BASE_ADDRESS 2 79 #define B_CLONE_ADDRESS 3 80 #define B_ANY_KERNEL_ADDRESS 4 81 82 /* area protection */ 83 #define B_READ_AREA 1 84 #define B_WRITE_AREA 2 85 86 extern area_id create_area(const char *name, void **startAddress, 87 uint32 addressSpec, size_t size, uint32 lock, 88 uint32 protection); 89 extern area_id clone_area(const char *name, void **destAddress, 90 uint32 addressSpec, uint32 protection, area_id source); 91 extern area_id find_area(const char *name); 92 extern area_id area_for(void *address); 93 extern status_t delete_area(area_id id); 94 extern status_t resize_area(area_id id, size_t newSize); 95 extern status_t set_area_protection(area_id id, uint32 newProtection); 96 97 /* system private, use macros instead */ 98 extern status_t _get_area_info(area_id id, area_info *areaInfo, size_t size); 99 extern status_t _get_next_area_info(team_id team, int32 *cookie, 100 area_info *areaInfo, size_t size); 101 102 #define get_area_info(id, areaInfo) \ 103 _get_area_info((id), (areaInfo),sizeof(*(areaInfo))) 104 #define get_next_area_info(team, cookie, areaInfo) \ 105 _get_next_area_info((team), (cookie), (areaInfo), sizeof(*(areaInfo))) 106 107 108 /* Ports */ 109 110 typedef struct port_info { 111 port_id port; 112 team_id team; 113 char name[B_OS_NAME_LENGTH]; 114 int32 capacity; /* queue depth */ 115 int32 queue_count; /* # msgs waiting to be read */ 116 int32 total_count; /* total # msgs read so far */ 117 } port_info; 118 119 extern port_id create_port(int32 capacity, const char *name); 120 extern port_id find_port(const char *name); 121 extern ssize_t read_port(port_id port, int32 *code, void *buffer, 122 size_t bufferSize); 123 extern ssize_t read_port_etc(port_id port, int32 *code, void *buffer, 124 size_t bufferSize, uint32 flags, bigtime_t timeout); 125 extern status_t write_port(port_id port, int32 code, const void *buffer, 126 size_t bufferSize); 127 extern status_t write_port_etc(port_id port, int32 code, const void *buffer, 128 size_t bufferSize, uint32 flags, bigtime_t timeout); 129 extern status_t close_port(port_id port); 130 extern status_t delete_port(port_id port); 131 132 extern ssize_t port_buffer_size(port_id port); 133 extern ssize_t port_buffer_size_etc(port_id port, uint32 flags, 134 bigtime_t timeout); 135 extern ssize_t port_count(port_id port); 136 extern status_t set_port_owner(port_id port, team_id team); 137 138 /* system private, use the macros instead */ 139 extern status_t _get_port_info(port_id port, port_info *portInfo, 140 size_t portInfoSize); 141 extern status_t _get_next_port_info(team_id team, int32 *cookie, 142 port_info *portInfo, size_t portInfoSize); 143 144 #define get_port_info(port, info) \ 145 _get_port_info((port), (info), sizeof(*(info))) 146 #define get_next_port_info(team, cookie, info) \ 147 _get_next_port_info((team), (cookie), (info), sizeof(*(info))) 148 149 150 /* WARNING: The following is Haiku experimental API. It might be removed or 151 changed in the future. */ 152 153 typedef struct port_message_info { 154 size_t size; 155 uid_t sender; 156 gid_t sender_group; 157 team_id sender_team; 158 } port_message_info; 159 160 /* similar to port_buffer_size_etc(), but returns (more) info */ 161 extern status_t _get_port_message_info_etc(port_id port, 162 port_message_info *info, size_t infoSize, uint32 flags, 163 bigtime_t timeout); 164 165 #define get_port_message_info_etc(port, info, flags, timeout) \ 166 _get_port_message_info_etc((port), (info), sizeof(*(info)), flags, timeout) 167 168 169 /* Semaphores */ 170 171 typedef struct sem_info { 172 sem_id sem; 173 team_id team; 174 char name[B_OS_NAME_LENGTH]; 175 int32 count; 176 thread_id latest_holder; 177 } sem_info; 178 179 /* semaphore flags */ 180 enum { 181 B_CAN_INTERRUPT = 0x01, /* acquisition of the semaphore can be 182 interrupted (system use only) */ 183 B_CHECK_PERMISSION = 0x04, /* ownership will be checked (system use 184 only) */ 185 B_KILL_CAN_INTERRUPT = 0x20, /* acquisition of the semaphore can be 186 interrupted by SIGKILL[THR], even 187 if not B_CAN_INTERRUPT (system use 188 only) */ 189 190 /* release_sem_etc() only flags */ 191 B_DO_NOT_RESCHEDULE = 0x02, /* thread is not rescheduled */ 192 B_RELEASE_ALL = 0x08, /* all waiting threads will be woken up, 193 count will be zeroed */ 194 B_RELEASE_IF_WAITING_ONLY = 0x10 /* release count only if there are any 195 threads waiting */ 196 }; 197 198 extern sem_id create_sem(int32 count, const char *name); 199 extern status_t delete_sem(sem_id id); 200 extern status_t acquire_sem(sem_id id); 201 extern status_t acquire_sem_etc(sem_id id, int32 count, uint32 flags, 202 bigtime_t timeout); 203 extern status_t release_sem(sem_id id); 204 extern status_t release_sem_etc(sem_id id, int32 count, uint32 flags); 205 /* TODO: the following two calls are not part of the BeOS API, and might be 206 changed or even removed for the final release of Haiku R1 */ 207 extern status_t switch_sem(sem_id semToBeReleased, sem_id id); 208 extern status_t switch_sem_etc(sem_id semToBeReleased, sem_id id, 209 int32 count, uint32 flags, bigtime_t timeout); 210 extern status_t get_sem_count(sem_id id, int32 *threadCount); 211 extern status_t set_sem_owner(sem_id id, team_id team); 212 213 /* system private, use the macros instead */ 214 extern status_t _get_sem_info(sem_id id, struct sem_info *info, 215 size_t infoSize); 216 extern status_t _get_next_sem_info(team_id team, int32 *cookie, 217 struct sem_info *info, size_t infoSize); 218 219 #define get_sem_info(sem, info) \ 220 _get_sem_info((sem), (info), sizeof(*(info))) 221 222 #define get_next_sem_info(team, cookie, info) \ 223 _get_next_sem_info((team), (cookie), (info), sizeof(*(info))) 224 225 226 /* Teams */ 227 228 typedef struct { 229 team_id team; 230 int32 thread_count; 231 int32 image_count; 232 int32 area_count; 233 thread_id debugger_nub_thread; 234 port_id debugger_nub_port; 235 int32 argc; 236 char args[64]; 237 uid_t uid; 238 gid_t gid; 239 } team_info; 240 241 #define B_CURRENT_TEAM 0 242 #define B_SYSTEM_TEAM 1 243 244 extern status_t kill_team(team_id team); 245 /* see also: send_signal() */ 246 247 /* system private, use macros instead */ 248 extern status_t _get_team_info(team_id id, team_info *info, size_t size); 249 extern status_t _get_next_team_info(int32 *cookie, team_info *info, 250 size_t size); 251 252 #define get_team_info(id, info) \ 253 _get_team_info((id), (info), sizeof(*(info))) 254 255 #define get_next_team_info(cookie, info) \ 256 _get_next_team_info((cookie), (info), sizeof(*(info))) 257 258 /* team usage info */ 259 260 typedef struct { 261 bigtime_t user_time; 262 bigtime_t kernel_time; 263 } team_usage_info; 264 265 enum { 266 /* compatible to sys/resource.h RUSAGE_SELF and RUSAGE_CHILDREN */ 267 B_TEAM_USAGE_SELF = 0, 268 B_TEAM_USAGE_CHILDREN = -1 269 }; 270 271 /* system private, use macros instead */ 272 extern status_t _get_team_usage_info(team_id team, int32 who, 273 team_usage_info *info, size_t size); 274 275 #define get_team_usage_info(team, who, info) \ 276 _get_team_usage_info((team), (who), (info), sizeof(*(info))) 277 278 279 /* Threads */ 280 281 typedef enum { 282 B_THREAD_RUNNING = 1, 283 B_THREAD_READY, 284 B_THREAD_RECEIVING, 285 B_THREAD_ASLEEP, 286 B_THREAD_SUSPENDED, 287 B_THREAD_WAITING 288 } thread_state; 289 290 typedef struct { 291 thread_id thread; 292 team_id team; 293 char name[B_OS_NAME_LENGTH]; 294 thread_state state; 295 int32 priority; 296 sem_id sem; 297 bigtime_t user_time; 298 bigtime_t kernel_time; 299 void *stack_base; 300 void *stack_end; 301 } thread_info; 302 303 #define B_IDLE_PRIORITY 0 304 #define B_LOWEST_ACTIVE_PRIORITY 1 305 #define B_LOW_PRIORITY 5 306 #define B_NORMAL_PRIORITY 10 307 #define B_DISPLAY_PRIORITY 15 308 #define B_URGENT_DISPLAY_PRIORITY 20 309 #define B_REAL_TIME_DISPLAY_PRIORITY 100 310 #define B_URGENT_PRIORITY 110 311 #define B_REAL_TIME_PRIORITY 120 312 313 #define B_SYSTEM_TIMEBASE 0 314 315 #define B_FIRST_REAL_TIME_PRIORITY B_REAL_TIME_DISPLAY_PRIORITY 316 317 typedef status_t (*thread_func)(void *); 318 #define thread_entry thread_func 319 /* thread_entry is for backward compatibility only! Use thread_func */ 320 321 extern thread_id spawn_thread(thread_func, const char *name, int32 priority, 322 void *data); 323 extern status_t kill_thread(thread_id thread); 324 extern status_t resume_thread(thread_id thread); 325 extern status_t suspend_thread(thread_id thread); 326 327 extern status_t rename_thread(thread_id thread, const char *newName); 328 extern status_t set_thread_priority(thread_id thread, int32 newPriority); 329 extern void exit_thread(status_t status); 330 extern status_t wait_for_thread(thread_id thread, status_t *returnValue); 331 extern status_t on_exit_thread(void (*callback)(void *), void *data); 332 333 extern thread_id find_thread(const char *name); 334 335 extern status_t send_data(thread_id thread, int32 code, const void *buffer, 336 size_t bufferSize); 337 extern int32 receive_data(thread_id *sender, void *buffer, 338 size_t bufferSize); 339 extern bool has_data(thread_id thread); 340 341 extern status_t snooze(bigtime_t amount); 342 extern status_t snooze_etc(bigtime_t amount, int timeBase, uint32 flags); 343 extern status_t snooze_until(bigtime_t time, int timeBase); 344 345 /* system private, use macros instead */ 346 extern status_t _get_thread_info(thread_id id, thread_info *info, size_t size); 347 extern status_t _get_next_thread_info(team_id team, int32 *cookie, 348 thread_info *info, size_t size); 349 350 #define get_thread_info(id, info) \ 351 _get_thread_info((id), (info), sizeof(*(info))) 352 353 #define get_next_thread_info(team, cookie, info) \ 354 _get_next_thread_info((team), (cookie), (info), sizeof(*(info))) 355 356 /* bridge to the pthread API */ 357 extern thread_id get_pthread_thread_id(pthread_t thread); 358 /* TODO: Would be nice to have, but we use TLS to associate a thread with its 359 pthread object. So this is not trivial to implement. 360 extern status_t convert_to_pthread(thread_id thread, pthread_t *_thread); 361 */ 362 363 364 /* Time */ 365 366 extern uint32 real_time_clock(void); 367 extern void set_real_time_clock(uint32 secsSinceJan1st1970); 368 extern bigtime_t real_time_clock_usecs(void); 369 extern bigtime_t system_time(void); 370 /* time since booting in microseconds */ 371 extern nanotime_t system_time_nsecs(); 372 /* time since booting in nanoseconds */ 373 374 // deprecated (is no-op) 375 extern status_t set_timezone(const char *timezone); 376 377 /* Alarm */ 378 379 enum { 380 B_ONE_SHOT_ABSOLUTE_ALARM = 1, 381 B_ONE_SHOT_RELATIVE_ALARM, 382 B_PERIODIC_ALARM /* "when" specifies the period */ 383 }; 384 385 extern bigtime_t set_alarm(bigtime_t when, uint32 flags); 386 387 388 /* Debugger */ 389 390 extern void debugger(const char *message); 391 392 /* 393 calling this function with a non-zero value will cause your thread 394 to receive signals for any exceptional conditions that occur (i.e. 395 you'll get SIGSEGV for data access exceptions, SIGFPE for floating 396 point errors, SIGILL for illegal instructions, etc). 397 398 to re-enable the default debugger pass a zero. 399 */ 400 extern int disable_debugger(int state); 401 402 /* TODO: Remove. Temporary debug helper. */ 403 extern void debug_printf(const char *format, ...) 404 __attribute__ ((format (__printf__, 1, 2))); 405 extern void debug_vprintf(const char *format, va_list args); 406 extern void ktrace_printf(const char *format, ...) 407 __attribute__ ((format (__printf__, 1, 2))); 408 extern void ktrace_vprintf(const char *format, va_list args); 409 410 411 /* System information */ 412 413 #if __INTEL__ 414 # define B_MAX_CPU_COUNT 8 415 #elif __POWERPC__ 416 # define B_MAX_CPU_COUNT 8 417 #elif __M68K__ 418 # define B_MAX_CPU_COUNT 1 419 #elif __ARM__ 420 # define B_MAX_CPU_COUNT 1 421 #elif __MIPSEL__ 422 # define B_MAX_CPU_COUNT 1 423 #else 424 # warning Unknown cpu 425 # define B_MAX_CPU_COUNT 1 426 #endif 427 428 typedef enum cpu_types { 429 /* TODO: add latest models */ 430 431 /* Motorola/IBM */ 432 B_CPU_PPC_UNKNOWN = 0, 433 B_CPU_PPC_601 = 1, 434 B_CPU_PPC_602 = 7, 435 B_CPU_PPC_603 = 2, 436 B_CPU_PPC_603e = 3, 437 B_CPU_PPC_603ev = 8, 438 B_CPU_PPC_604 = 4, 439 B_CPU_PPC_604e = 5, 440 B_CPU_PPC_604ev = 9, 441 B_CPU_PPC_620 = 10, 442 B_CPU_PPC_750 = 6, 443 B_CPU_PPC_686 = 13, 444 B_CPU_PPC_860 = 25, 445 B_CPU_PPC_7400 = 26, 446 B_CPU_PPC_7410 = 27, 447 B_CPU_PPC_7447A = 28, 448 B_CPU_PPC_7448 = 29, 449 B_CPU_PPC_7450 = 30, 450 B_CPU_PPC_7455 = 31, 451 B_CPU_PPC_7457 = 32, 452 B_CPU_PPC_8240 = 33, 453 B_CPU_PPC_8245 = 34, 454 455 B_CPU_PPC_IBM_401A1 = 35, 456 B_CPU_PPC_IBM_401B2 = 36, 457 B_CPU_PPC_IBM_401C2 = 37, 458 B_CPU_PPC_IBM_401D2 = 38, 459 B_CPU_PPC_IBM_401E2 = 39, 460 B_CPU_PPC_IBM_401F2 = 40, 461 B_CPU_PPC_IBM_401G2 = 41, 462 B_CPU_PPC_IBM_403 = 42, 463 B_CPU_PPC_IBM_405GP = 43, 464 B_CPU_PPC_IBM_405L = 44, 465 B_CPU_PPC_IBM_750FX = 45, 466 B_CPU_PPC_IBM_POWER3 = 46, 467 468 /* Intel */ 469 470 /* Updated according to Intel(R) Processor Identification and 471 * the CPUID instruction (Table 4) 472 * AP-485 Intel - 24161832.pdf 473 */ 474 B_CPU_INTEL_x86 = 0x1000, 475 B_CPU_INTEL_PENTIUM = 0x1051, 476 B_CPU_INTEL_PENTIUM75, 477 B_CPU_INTEL_PENTIUM_486_OVERDRIVE, 478 B_CPU_INTEL_PENTIUM_MMX, 479 B_CPU_INTEL_PENTIUM_MMX_MODEL_4 = B_CPU_INTEL_PENTIUM_MMX, 480 B_CPU_INTEL_PENTIUM_MMX_MODEL_8 = 0x1058, 481 B_CPU_INTEL_PENTIUM75_486_OVERDRIVE, 482 B_CPU_INTEL_PENTIUM_PRO = 0x1061, 483 B_CPU_INTEL_PENTIUM_II = 0x1063, 484 B_CPU_INTEL_PENTIUM_II_MODEL_3 = 0x1063, 485 B_CPU_INTEL_PENTIUM_II_MODEL_5 = 0x1065, 486 B_CPU_INTEL_CELERON = 0x1066, 487 B_CPU_INTEL_CELERON_MODEL_22 = 0x11066, 488 B_CPU_INTEL_PENTIUM_III = 0x1067, 489 B_CPU_INTEL_PENTIUM_III_MODEL_8 = 0x1068, 490 B_CPU_INTEL_PENTIUM_M = 0x1069, 491 B_CPU_INTEL_PENTIUM_III_XEON = 0x106a, 492 B_CPU_INTEL_PENTIUM_III_MODEL_11 = 0x106b, 493 B_CPU_INTEL_ATOM = 0x1106c, 494 B_CPU_INTEL_PENTIUM_M_MODEL_13 = 0x106d, /* Dothan */ 495 B_CPU_INTEL_PENTIUM_CORE, 496 B_CPU_INTEL_PENTIUM_CORE_2, 497 B_CPU_INTEL_PENTIUM_CORE_2_45_NM = 0x11067, /* Core 2 on 45 nm 498 (Core 2 Extreme, 499 Xeon model 23 or 500 Core 2 Duo/Quad) */ 501 B_CPU_INTEL_PENTIUM_CORE_I5_M430 = 0x21065, /* Core i5 M 430 @ 2.27 */ 502 B_CPU_INTEL_PENTIUM_CORE_I7 = 0x1106a, /* Core i7 920 @ 2.6(6) */ 503 B_CPU_INTEL_PENTIUM_CORE_I7_Q720 = 0x1106e, /* Core i7 Q720 @ 1.6 */ 504 B_CPU_INTEL_PENTIUM_IV = 0x10f0, 505 B_CPU_INTEL_PENTIUM_IV_MODEL_1, 506 B_CPU_INTEL_PENTIUM_IV_MODEL_2, 507 B_CPU_INTEL_PENTIUM_IV_MODEL_3, 508 B_CPU_INTEL_PENTIUM_IV_MODEL_4, 509 510 /* AMD */ 511 512 /* Checked with "AMD Processor Recognition Application Note" 513 * (Table 3) 514 * 20734.pdf 515 */ 516 B_CPU_AMD_x86 = 0x1100, 517 B_CPU_AMD_K5_MODEL_0 = 0x1150, 518 B_CPU_AMD_K5_MODEL_1, 519 B_CPU_AMD_K5_MODEL_2, 520 B_CPU_AMD_K5_MODEL_3, 521 B_CPU_AMD_K6_MODEL_6 = 0x1156, 522 B_CPU_AMD_K6_MODEL_7 = 0x1157, 523 B_CPU_AMD_K6_MODEL_8 = 0x1158, 524 B_CPU_AMD_K6_2 = 0x1158, 525 B_CPU_AMD_K6_MODEL_9 = 0x1159, 526 B_CPU_AMD_K6_III = 0x1159, 527 B_CPU_AMD_K6_III_MODEL_13 = 0x115d, 528 529 B_CPU_AMD_ATHLON_MODEL_1 = 0x1161, 530 B_CPU_AMD_ATHLON_MODEL_2 = 0x1162, 531 532 B_CPU_AMD_DURON = 0x1163, 533 534 B_CPU_AMD_ATHLON_THUNDERBIRD = 0x1164, 535 B_CPU_AMD_ATHLON_XP = 0x1166, 536 B_CPU_AMD_ATHLON_XP_MODEL_7, 537 B_CPU_AMD_ATHLON_XP_MODEL_8, 538 B_CPU_AMD_ATHLON_XP_MODEL_10 = 0x116a, /* Barton */ 539 540 B_CPU_AMD_SEMPRON_MODEL_8 = B_CPU_AMD_ATHLON_XP_MODEL_8, 541 B_CPU_AMD_SEMPRON_MODEL_10 = B_CPU_AMD_ATHLON_XP_MODEL_10, 542 543 /* According to "Revision Guide for AMD Family 10h 544 * Processors" (41322.pdf) 545 */ 546 B_CPU_AMD_PHENOM = 0x11f2, 547 548 /* According to "Revision guide for AMD Athlon 64 549 * and AMD Opteron Processors" (25759.pdf) 550 */ 551 B_CPU_AMD_ATHLON_64_MODEL_3 = 0x11f3, 552 B_CPU_AMD_ATHLON_64_MODEL_4, 553 B_CPU_AMD_ATHLON_64_MODEL_5, 554 B_CPU_AMD_OPTERON = B_CPU_AMD_ATHLON_64_MODEL_5, 555 B_CPU_AMD_ATHLON_64_FX = B_CPU_AMD_ATHLON_64_MODEL_5, 556 B_CPU_AMD_ATHLON_64_MODEL_7 = 0x11f7, 557 B_CPU_AMD_ATHLON_64_MODEL_8, 558 B_CPU_AMD_ATHLON_64_MODEL_11 = 0x11fb, 559 B_CPU_AMD_ATHLON_64_MODEL_12, 560 B_CPU_AMD_ATHLON_64_MODEL_14 = 0x11fe, 561 B_CPU_AMD_ATHLON_64_MODEL_15, 562 563 B_CPU_AMD_GEODE_LX = 0x115a, 564 565 /* VIA/Cyrix */ 566 B_CPU_CYRIX_x86 = 0x1200, 567 B_CPU_VIA_CYRIX_x86 = 0x1200, 568 B_CPU_CYRIX_GXm = 0x1254, 569 B_CPU_CYRIX_6x86MX = 0x1260, 570 571 /* VIA/IDT */ 572 B_CPU_IDT_x86 = 0x1300, 573 B_CPU_VIA_IDT_x86 = 0x1300, 574 B_CPU_IDT_WINCHIP_C6 = 0x1354, 575 B_CPU_IDT_WINCHIP_2 = 0x1358, 576 B_CPU_IDT_WINCHIP_3, 577 B_CPU_VIA_C3_SAMUEL = 0x1366, 578 B_CPU_VIA_C3_SAMUEL_2 = 0x1367, 579 B_CPU_VIA_C3_EZRA_T = 0x1368, 580 B_CPU_VIA_C3_NEHEMIAH = 0x1369, 581 B_CPU_VIA_C7_ESTHER = 0x136a, 582 B_CPU_VIA_C7_ESTHER_2 = 0x136d, 583 B_CPU_VIA_NANO_ISAIAH = 0x136f, 584 585 /* Transmeta */ 586 B_CPU_TRANSMETA_x86 = 0x1600, 587 B_CPU_TRANSMETA_CRUSOE = 0x1654, 588 B_CPU_TRANSMETA_EFFICEON = 0x16f2, 589 B_CPU_TRANSMETA_EFFICEON_2 = 0x16f3, 590 591 /* Rise */ 592 B_CPU_RISE_x86 = 0x1400, 593 B_CPU_RISE_mP6 = 0x1450, 594 595 /* National Semiconductor */ 596 B_CPU_NATIONAL_x86 = 0x1500, 597 B_CPU_NATIONAL_GEODE_GX1 = 0x1554, 598 B_CPU_NATIONAL_GEODE_GX2, 599 600 /* For compatibility */ 601 B_CPU_AMD_29K = 14, 602 B_CPU_x86, 603 B_CPU_MC6502, 604 B_CPU_Z80, 605 B_CPU_ALPHA, 606 B_CPU_MIPS, 607 B_CPU_HPPA, 608 B_CPU_M68K, 609 B_CPU_ARM, 610 B_CPU_SH, 611 B_CPU_SPARC 612 } cpu_type; 613 614 #define B_CPU_x86_VENDOR_MASK 0xff00 615 616 #ifdef __INTEL__ 617 typedef union { 618 struct { 619 uint32 max_eax; 620 char vendor_id[12]; 621 } eax_0; 622 623 struct { 624 uint32 stepping : 4; 625 uint32 model : 4; 626 uint32 family : 4; 627 uint32 type : 2; 628 uint32 reserved_0 : 2; 629 uint32 extended_model : 4; 630 uint32 extended_family : 8; 631 uint32 reserved_1 : 4; 632 633 uint32 brand_index : 8; 634 uint32 clflush : 8; 635 uint32 logical_cpus : 8; 636 uint32 apic_id : 8; 637 638 uint32 features; 639 uint32 extended_features; 640 } eax_1; 641 642 struct { 643 uint8 call_num; 644 uint8 cache_descriptors[15]; 645 } eax_2; 646 647 struct { 648 uint32 reserved[2]; 649 uint32 serial_number_high; 650 uint32 serial_number_low; 651 } eax_3; 652 653 char as_chars[16]; 654 655 struct { 656 uint32 eax; 657 uint32 ebx; 658 uint32 edx; 659 uint32 ecx; 660 } regs; 661 } cpuid_info; 662 663 extern status_t get_cpuid(cpuid_info *info, uint32 eaxRegister, 664 uint32 cpuNum); 665 #endif 666 667 668 typedef enum platform_types { 669 B_BEBOX_PLATFORM = 0, 670 B_MAC_PLATFORM, 671 B_AT_CLONE_PLATFORM, 672 B_ENIAC_PLATFORM, 673 B_APPLE_II_PLATFORM, 674 B_CRAY_PLATFORM, 675 B_LISA_PLATFORM, 676 B_TI_994A_PLATFORM, 677 B_TIMEX_SINCLAIR_PLATFORM, 678 B_ORAC_1_PLATFORM, 679 B_HAL_PLATFORM, 680 B_BESM_6_PLATFORM, 681 B_MK_61_PLATFORM, 682 B_NINTENDO_64_PLATFORM, 683 B_AMIGA_PLATFORM, 684 B_ATARI_PLATFORM 685 } platform_type; 686 687 typedef struct { 688 bigtime_t active_time; /* usec of doing useful work since boot */ 689 } cpu_info; 690 691 692 typedef int32 machine_id[2]; /* unique machine ID */ 693 694 typedef struct { 695 machine_id id; /* unique machine ID */ 696 bigtime_t boot_time; /* time of boot (usecs since 1/1/1970) */ 697 698 int32 cpu_count; /* number of cpus */ 699 enum cpu_types cpu_type; /* type of cpu */ 700 int32 cpu_revision; /* revision # of cpu */ 701 cpu_info cpu_infos[B_MAX_CPU_COUNT]; /* info about individual cpus */ 702 int64 cpu_clock_speed; /* processor clock speed (Hz) */ 703 int64 bus_clock_speed; /* bus clock speed (Hz) */ 704 enum platform_types platform_type; /* type of machine we're on */ 705 706 int32 max_pages; /* total # of accessible pages */ 707 int32 used_pages; /* # of accessible pages in use */ 708 int32 page_faults; /* # of page faults */ 709 int32 max_sems; 710 int32 used_sems; 711 int32 max_ports; 712 int32 used_ports; 713 int32 max_threads; 714 int32 used_threads; 715 int32 max_teams; 716 int32 used_teams; 717 718 char kernel_name[B_FILE_NAME_LENGTH]; 719 char kernel_build_date[B_OS_NAME_LENGTH]; 720 char kernel_build_time[B_OS_NAME_LENGTH]; 721 int64 kernel_version; 722 723 bigtime_t _busy_wait_time; /* reserved for whatever */ 724 725 int32 cached_pages; 726 uint32 abi; /* the system API */ 727 int32 ignored_pages; /* # of ignored/inaccessible pages */ 728 int32 pad; 729 } system_info; 730 731 /* system private, use macro instead */ 732 extern status_t _get_system_info(system_info *info, size_t size); 733 734 #define get_system_info(info) \ 735 _get_system_info((info), sizeof(*(info))) 736 737 extern int32 is_computer_on(void); 738 extern double is_computer_on_fire(void); 739 740 741 /* WARNING: Experimental API! */ 742 743 enum { 744 B_OBJECT_TYPE_FD = 0, 745 B_OBJECT_TYPE_SEMAPHORE = 1, 746 B_OBJECT_TYPE_PORT = 2, 747 B_OBJECT_TYPE_THREAD = 3 748 }; 749 750 enum { 751 B_EVENT_READ = 0x0001, /* FD/port readable */ 752 B_EVENT_WRITE = 0x0002, /* FD/port writable */ 753 B_EVENT_ERROR = 0x0004, /* FD error */ 754 B_EVENT_PRIORITY_READ = 0x0008, /* FD priority readable */ 755 B_EVENT_PRIORITY_WRITE = 0x0010, /* FD priority writable */ 756 B_EVENT_HIGH_PRIORITY_READ = 0x0020, /* FD high priority readable */ 757 B_EVENT_HIGH_PRIORITY_WRITE = 0x0040, /* FD high priority writable */ 758 B_EVENT_DISCONNECTED = 0x0080, /* FD disconnected */ 759 760 B_EVENT_ACQUIRE_SEMAPHORE = 0x0001, /* semaphore can be acquired */ 761 762 B_EVENT_INVALID = 0x1000 /* FD/port/sem/thread ID not or 763 no longer valid (e.g. has been 764 close/deleted) */ 765 }; 766 767 typedef struct object_wait_info { 768 int32 object; /* ID of the object */ 769 uint16 type; /* type of the object */ 770 uint16 events; /* events mask */ 771 } object_wait_info; 772 773 /* wait_for_objects[_etc]() waits until at least one of the specified events or, 774 if given, the timeout occurred. When entering the function the 775 object_wait_info::events field specifies the events for each object the 776 caller is interested in. When the function returns the fields reflect the 777 events that actually occurred. The events B_EVENT_INVALID, B_EVENT_ERROR, 778 and B_EVENT_DISCONNECTED don't need to be specified. They will always be 779 reported, when they occur. */ 780 781 extern ssize_t wait_for_objects(object_wait_info* infos, int numInfos); 782 extern ssize_t wait_for_objects_etc(object_wait_info* infos, int numInfos, 783 uint32 flags, bigtime_t timeout); 784 785 786 #ifdef __cplusplus 787 } 788 #endif 789 790 #endif /* _OS_H */ 791