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 status_t set_timezone(const char *timezone); 370 extern bigtime_t system_time(void); 371 /* time since booting in microseconds */ 372 extern nanotime_t system_time_nsecs(); 373 /* time since booting in nanoseconds */ 374 375 /* Alarm */ 376 377 enum { 378 B_ONE_SHOT_ABSOLUTE_ALARM = 1, 379 B_ONE_SHOT_RELATIVE_ALARM, 380 B_PERIODIC_ALARM /* "when" specifies the period */ 381 }; 382 383 extern bigtime_t set_alarm(bigtime_t when, uint32 flags); 384 385 386 /* Debugger */ 387 388 extern void debugger(const char *message); 389 390 /* 391 calling this function with a non-zero value will cause your thread 392 to receive signals for any exceptional conditions that occur (i.e. 393 you'll get SIGSEGV for data access exceptions, SIGFPE for floating 394 point errors, SIGILL for illegal instructions, etc). 395 396 to re-enable the default debugger pass a zero. 397 */ 398 extern int disable_debugger(int state); 399 400 /* TODO: Remove. Temporary debug helper. */ 401 extern void debug_printf(const char *format, ...) 402 __attribute__ ((format (__printf__, 1, 2))); 403 extern void debug_vprintf(const char *format, va_list args); 404 extern void ktrace_printf(const char *format, ...) 405 __attribute__ ((format (__printf__, 1, 2))); 406 extern void ktrace_vprintf(const char *format, va_list args); 407 408 409 /* System information */ 410 411 #if __INTEL__ 412 # define B_MAX_CPU_COUNT 8 413 #elif __POWERPC__ 414 # define B_MAX_CPU_COUNT 8 415 #elif __M68K__ 416 # define B_MAX_CPU_COUNT 1 417 #elif __ARM__ 418 # define B_MAX_CPU_COUNT 1 419 #elif __MIPSEL__ 420 # define B_MAX_CPU_COUNT 1 421 #else 422 # warning Unknown cpu 423 # define B_MAX_CPU_COUNT 1 424 #endif 425 426 typedef enum cpu_types { 427 /* TODO: add latest models */ 428 429 /* Motorola/IBM */ 430 B_CPU_PPC_UNKNOWN = 0, 431 B_CPU_PPC_601 = 1, 432 B_CPU_PPC_602 = 7, 433 B_CPU_PPC_603 = 2, 434 B_CPU_PPC_603e = 3, 435 B_CPU_PPC_603ev = 8, 436 B_CPU_PPC_604 = 4, 437 B_CPU_PPC_604e = 5, 438 B_CPU_PPC_604ev = 9, 439 B_CPU_PPC_620 = 10, 440 B_CPU_PPC_750 = 6, 441 B_CPU_PPC_686 = 13, 442 B_CPU_PPC_860 = 25, 443 B_CPU_PPC_7400 = 26, 444 B_CPU_PPC_7410 = 27, 445 B_CPU_PPC_7447A = 28, 446 B_CPU_PPC_7448 = 29, 447 B_CPU_PPC_7450 = 30, 448 B_CPU_PPC_7455 = 31, 449 B_CPU_PPC_7457 = 32, 450 B_CPU_PPC_8240 = 33, 451 B_CPU_PPC_8245 = 34, 452 453 B_CPU_PPC_IBM_401A1 = 35, 454 B_CPU_PPC_IBM_401B2 = 36, 455 B_CPU_PPC_IBM_401C2 = 37, 456 B_CPU_PPC_IBM_401D2 = 38, 457 B_CPU_PPC_IBM_401E2 = 39, 458 B_CPU_PPC_IBM_401F2 = 40, 459 B_CPU_PPC_IBM_401G2 = 41, 460 B_CPU_PPC_IBM_403 = 42, 461 B_CPU_PPC_IBM_405GP = 43, 462 B_CPU_PPC_IBM_405L = 44, 463 B_CPU_PPC_IBM_750FX = 45, 464 B_CPU_PPC_IBM_POWER3 = 46, 465 466 /* Intel */ 467 468 /* Updated according to Intel(R) Processor Identification and 469 * the CPUID instruction (Table 4) 470 * AP-485 Intel - 24161832.pdf 471 */ 472 B_CPU_INTEL_x86 = 0x1000, 473 B_CPU_INTEL_PENTIUM = 0x1051, 474 B_CPU_INTEL_PENTIUM75, 475 B_CPU_INTEL_PENTIUM_486_OVERDRIVE, 476 B_CPU_INTEL_PENTIUM_MMX, 477 B_CPU_INTEL_PENTIUM_MMX_MODEL_4 = B_CPU_INTEL_PENTIUM_MMX, 478 B_CPU_INTEL_PENTIUM_MMX_MODEL_8 = 0x1058, 479 B_CPU_INTEL_PENTIUM75_486_OVERDRIVE, 480 B_CPU_INTEL_PENTIUM_PRO = 0x1061, 481 B_CPU_INTEL_PENTIUM_II = 0x1063, 482 B_CPU_INTEL_PENTIUM_II_MODEL_3 = 0x1063, 483 B_CPU_INTEL_PENTIUM_II_MODEL_5 = 0x1065, 484 B_CPU_INTEL_CELERON = 0x1066, 485 B_CPU_INTEL_CELERON_MODEL_22 = 0x11066, 486 B_CPU_INTEL_PENTIUM_III = 0x1067, 487 B_CPU_INTEL_PENTIUM_III_MODEL_8 = 0x1068, 488 B_CPU_INTEL_PENTIUM_M = 0x1069, 489 B_CPU_INTEL_PENTIUM_III_XEON = 0x106a, 490 B_CPU_INTEL_PENTIUM_III_MODEL_11 = 0x106b, 491 B_CPU_INTEL_ATOM = 0x1106c, 492 B_CPU_INTEL_PENTIUM_M_MODEL_13 = 0x106d, /* Dothan */ 493 B_CPU_INTEL_PENTIUM_CORE, 494 B_CPU_INTEL_PENTIUM_CORE_2, 495 B_CPU_INTEL_PENTIUM_CORE_2_45_NM = 0x11067, /* Core 2 on 45 nm 496 (Core 2 Extreme, 497 Xeon model 23 or 498 Core 2 Duo/Quad) */ 499 B_CPU_INTEL_PENTIUM_CORE_I5_M430 = 0x21065, /* Core i5 M 430 @ 2.27 */ 500 B_CPU_INTEL_PENTIUM_CORE_I7 = 0x1106a, /* Core i7 920 @ 2.6(6) */ 501 B_CPU_INTEL_PENTIUM_CORE_I7_Q720 = 0x1106e, /* Core i7 Q720 @ 1.6 */ 502 B_CPU_INTEL_PENTIUM_IV = 0x10f0, 503 B_CPU_INTEL_PENTIUM_IV_MODEL_1, 504 B_CPU_INTEL_PENTIUM_IV_MODEL_2, 505 B_CPU_INTEL_PENTIUM_IV_MODEL_3, 506 B_CPU_INTEL_PENTIUM_IV_MODEL_4, 507 508 /* AMD */ 509 510 /* Checked with "AMD Processor Recognition Application Note" 511 * (Table 3) 512 * 20734.pdf 513 */ 514 B_CPU_AMD_x86 = 0x1100, 515 B_CPU_AMD_K5_MODEL_0 = 0x1150, 516 B_CPU_AMD_K5_MODEL_1, 517 B_CPU_AMD_K5_MODEL_2, 518 B_CPU_AMD_K5_MODEL_3, 519 B_CPU_AMD_K6_MODEL_6 = 0x1156, 520 B_CPU_AMD_K6_MODEL_7 = 0x1157, 521 B_CPU_AMD_K6_MODEL_8 = 0x1158, 522 B_CPU_AMD_K6_2 = 0x1158, 523 B_CPU_AMD_K6_MODEL_9 = 0x1159, 524 B_CPU_AMD_K6_III = 0x1159, 525 B_CPU_AMD_K6_III_MODEL_13 = 0x115d, 526 527 B_CPU_AMD_ATHLON_MODEL_1 = 0x1161, 528 B_CPU_AMD_ATHLON_MODEL_2 = 0x1162, 529 530 B_CPU_AMD_DURON = 0x1163, 531 532 B_CPU_AMD_ATHLON_THUNDERBIRD = 0x1164, 533 B_CPU_AMD_ATHLON_XP = 0x1166, 534 B_CPU_AMD_ATHLON_XP_MODEL_7, 535 B_CPU_AMD_ATHLON_XP_MODEL_8, 536 B_CPU_AMD_ATHLON_XP_MODEL_10 = 0x116a, /* Barton */ 537 538 B_CPU_AMD_SEMPRON_MODEL_8 = B_CPU_AMD_ATHLON_XP_MODEL_8, 539 B_CPU_AMD_SEMPRON_MODEL_10 = B_CPU_AMD_ATHLON_XP_MODEL_10, 540 541 /* According to "Revision Guide for AMD Family 10h 542 * Processors" (41322.pdf) 543 */ 544 B_CPU_AMD_PHENOM = 0x11f2, 545 546 /* According to "Revision guide for AMD Athlon 64 547 * and AMD Opteron Processors" (25759.pdf) 548 */ 549 B_CPU_AMD_ATHLON_64_MODEL_3 = 0x11f3, 550 B_CPU_AMD_ATHLON_64_MODEL_4, 551 B_CPU_AMD_ATHLON_64_MODEL_5, 552 B_CPU_AMD_OPTERON = B_CPU_AMD_ATHLON_64_MODEL_5, 553 B_CPU_AMD_ATHLON_64_FX = B_CPU_AMD_ATHLON_64_MODEL_5, 554 B_CPU_AMD_ATHLON_64_MODEL_7 = 0x11f7, 555 B_CPU_AMD_ATHLON_64_MODEL_8, 556 B_CPU_AMD_ATHLON_64_MODEL_11 = 0x11fb, 557 B_CPU_AMD_ATHLON_64_MODEL_12, 558 B_CPU_AMD_ATHLON_64_MODEL_14 = 0x11fe, 559 B_CPU_AMD_ATHLON_64_MODEL_15, 560 561 B_CPU_AMD_GEODE_LX = 0x115a, 562 563 /* VIA/Cyrix */ 564 B_CPU_CYRIX_x86 = 0x1200, 565 B_CPU_VIA_CYRIX_x86 = 0x1200, 566 B_CPU_CYRIX_GXm = 0x1254, 567 B_CPU_CYRIX_6x86MX = 0x1260, 568 569 /* VIA/IDT */ 570 B_CPU_IDT_x86 = 0x1300, 571 B_CPU_VIA_IDT_x86 = 0x1300, 572 B_CPU_IDT_WINCHIP_C6 = 0x1354, 573 B_CPU_IDT_WINCHIP_2 = 0x1358, 574 B_CPU_IDT_WINCHIP_3, 575 B_CPU_VIA_C3_SAMUEL = 0x1366, 576 B_CPU_VIA_C3_SAMUEL_2 = 0x1367, 577 B_CPU_VIA_C3_EZRA_T = 0x1368, 578 B_CPU_VIA_C3_NEHEMIAH = 0x1369, 579 B_CPU_VIA_C7_ESTHER = 0x136a, 580 B_CPU_VIA_C7_ESTHER_2 = 0x136d, 581 B_CPU_VIA_NANO_ISAIAH = 0x136f, 582 583 /* Transmeta */ 584 B_CPU_TRANSMETA_x86 = 0x1600, 585 B_CPU_TRANSMETA_CRUSOE = 0x1654, 586 B_CPU_TRANSMETA_EFFICEON = 0x16f2, 587 B_CPU_TRANSMETA_EFFICEON_2 = 0x16f3, 588 589 /* Rise */ 590 B_CPU_RISE_x86 = 0x1400, 591 B_CPU_RISE_mP6 = 0x1450, 592 593 /* National Semiconductor */ 594 B_CPU_NATIONAL_x86 = 0x1500, 595 B_CPU_NATIONAL_GEODE_GX1 = 0x1554, 596 B_CPU_NATIONAL_GEODE_GX2, 597 598 /* For compatibility */ 599 B_CPU_AMD_29K = 14, 600 B_CPU_x86, 601 B_CPU_MC6502, 602 B_CPU_Z80, 603 B_CPU_ALPHA, 604 B_CPU_MIPS, 605 B_CPU_HPPA, 606 B_CPU_M68K, 607 B_CPU_ARM, 608 B_CPU_SH, 609 B_CPU_SPARC 610 } cpu_type; 611 612 #define B_CPU_x86_VENDOR_MASK 0xff00 613 614 #ifdef __INTEL__ 615 typedef union { 616 struct { 617 uint32 max_eax; 618 char vendor_id[12]; 619 } eax_0; 620 621 struct { 622 uint32 stepping : 4; 623 uint32 model : 4; 624 uint32 family : 4; 625 uint32 type : 2; 626 uint32 reserved_0 : 2; 627 uint32 extended_model : 4; 628 uint32 extended_family : 8; 629 uint32 reserved_1 : 4; 630 631 uint32 brand_index : 8; 632 uint32 clflush : 8; 633 uint32 logical_cpus : 8; 634 uint32 apic_id : 8; 635 636 uint32 features; 637 uint32 extended_features; 638 } eax_1; 639 640 struct { 641 uint8 call_num; 642 uint8 cache_descriptors[15]; 643 } eax_2; 644 645 struct { 646 uint32 reserved[2]; 647 uint32 serial_number_high; 648 uint32 serial_number_low; 649 } eax_3; 650 651 char as_chars[16]; 652 653 struct { 654 uint32 eax; 655 uint32 ebx; 656 uint32 edx; 657 uint32 ecx; 658 } regs; 659 } cpuid_info; 660 661 extern status_t get_cpuid(cpuid_info *info, uint32 eaxRegister, 662 uint32 cpuNum); 663 #endif 664 665 666 typedef enum platform_types { 667 B_BEBOX_PLATFORM = 0, 668 B_MAC_PLATFORM, 669 B_AT_CLONE_PLATFORM, 670 B_ENIAC_PLATFORM, 671 B_APPLE_II_PLATFORM, 672 B_CRAY_PLATFORM, 673 B_LISA_PLATFORM, 674 B_TI_994A_PLATFORM, 675 B_TIMEX_SINCLAIR_PLATFORM, 676 B_ORAC_1_PLATFORM, 677 B_HAL_PLATFORM, 678 B_BESM_6_PLATFORM, 679 B_MK_61_PLATFORM, 680 B_NINTENDO_64_PLATFORM, 681 B_AMIGA_PLATFORM, 682 B_ATARI_PLATFORM 683 } platform_type; 684 685 typedef struct { 686 bigtime_t active_time; /* usec of doing useful work since boot */ 687 } cpu_info; 688 689 690 typedef int32 machine_id[2]; /* unique machine ID */ 691 692 typedef struct { 693 machine_id id; /* unique machine ID */ 694 bigtime_t boot_time; /* time of boot (usecs since 1/1/1970) */ 695 696 int32 cpu_count; /* number of cpus */ 697 enum cpu_types cpu_type; /* type of cpu */ 698 int32 cpu_revision; /* revision # of cpu */ 699 cpu_info cpu_infos[B_MAX_CPU_COUNT]; /* info about individual cpus */ 700 int64 cpu_clock_speed; /* processor clock speed (Hz) */ 701 int64 bus_clock_speed; /* bus clock speed (Hz) */ 702 enum platform_types platform_type; /* type of machine we're on */ 703 704 int32 max_pages; /* total # of accessible pages */ 705 int32 used_pages; /* # of accessible pages in use */ 706 int32 page_faults; /* # of page faults */ 707 int32 max_sems; 708 int32 used_sems; 709 int32 max_ports; 710 int32 used_ports; 711 int32 max_threads; 712 int32 used_threads; 713 int32 max_teams; 714 int32 used_teams; 715 716 char kernel_name[B_FILE_NAME_LENGTH]; 717 char kernel_build_date[B_OS_NAME_LENGTH]; 718 char kernel_build_time[B_OS_NAME_LENGTH]; 719 int64 kernel_version; 720 721 bigtime_t _busy_wait_time; /* reserved for whatever */ 722 723 int32 cached_pages; 724 uint32 abi; /* the system API */ 725 int32 ignored_pages; /* # of ignored/inaccessible pages */ 726 int32 pad; 727 } system_info; 728 729 /* system private, use macro instead */ 730 extern status_t _get_system_info(system_info *info, size_t size); 731 732 #define get_system_info(info) \ 733 _get_system_info((info), sizeof(*(info))) 734 735 extern int32 is_computer_on(void); 736 extern double is_computer_on_fire(void); 737 738 739 /* WARNING: Experimental API! */ 740 741 enum { 742 B_OBJECT_TYPE_FD = 0, 743 B_OBJECT_TYPE_SEMAPHORE = 1, 744 B_OBJECT_TYPE_PORT = 2, 745 B_OBJECT_TYPE_THREAD = 3 746 }; 747 748 enum { 749 B_EVENT_READ = 0x0001, /* FD/port readable */ 750 B_EVENT_WRITE = 0x0002, /* FD/port writable */ 751 B_EVENT_ERROR = 0x0004, /* FD error */ 752 B_EVENT_PRIORITY_READ = 0x0008, /* FD priority readable */ 753 B_EVENT_PRIORITY_WRITE = 0x0010, /* FD priority writable */ 754 B_EVENT_HIGH_PRIORITY_READ = 0x0020, /* FD high priority readable */ 755 B_EVENT_HIGH_PRIORITY_WRITE = 0x0040, /* FD high priority writable */ 756 B_EVENT_DISCONNECTED = 0x0080, /* FD disconnected */ 757 758 B_EVENT_ACQUIRE_SEMAPHORE = 0x0001, /* semaphore can be acquired */ 759 760 B_EVENT_INVALID = 0x1000 /* FD/port/sem/thread ID not or 761 no longer valid (e.g. has been 762 close/deleted) */ 763 }; 764 765 typedef struct object_wait_info { 766 int32 object; /* ID of the object */ 767 uint16 type; /* type of the object */ 768 uint16 events; /* events mask */ 769 } object_wait_info; 770 771 /* wait_for_objects[_etc]() waits until at least one of the specified events or, 772 if given, the timeout occurred. When entering the function the 773 object_wait_info::events field specifies the events for each object the 774 caller is interested in. When the function returns the fields reflect the 775 events that actually occurred. The events B_EVENT_INVALID, B_EVENT_ERROR, 776 and B_EVENT_DISCONNECTED don't need to be specified. They will always be 777 reported, when they occur. */ 778 779 extern ssize_t wait_for_objects(object_wait_info* infos, int numInfos); 780 extern ssize_t wait_for_objects_etc(object_wait_info* infos, int numInfos, 781 uint32 flags, bigtime_t timeout); 782 783 784 #ifdef __cplusplus 785 } 786 #endif 787 788 #endif /* _OS_H */ 789