[f244de9] | 1 | #include <machine/rtems-bsd-kernel-space.h> |
---|
[a9153ec] | 2 | |
---|
| 3 | /*- |
---|
| 4 | * Copyright (c) 1995 Terrence R. Lambert |
---|
| 5 | * All rights reserved. |
---|
| 6 | * |
---|
| 7 | * Copyright (c) 1982, 1986, 1989, 1991, 1992, 1993 |
---|
| 8 | * The Regents of the University of California. All rights reserved. |
---|
| 9 | * (c) UNIX System Laboratories, Inc. |
---|
| 10 | * All or some portions of this file are derived from material licensed |
---|
| 11 | * to the University of California by American Telephone and Telegraph |
---|
| 12 | * Co. or Unix System Laboratories, Inc. and are reproduced herein with |
---|
| 13 | * the permission of UNIX System Laboratories, Inc. |
---|
| 14 | * |
---|
| 15 | * Redistribution and use in source and binary forms, with or without |
---|
| 16 | * modification, are permitted provided that the following conditions |
---|
| 17 | * are met: |
---|
| 18 | * 1. Redistributions of source code must retain the above copyright |
---|
| 19 | * notice, this list of conditions and the following disclaimer. |
---|
| 20 | * 2. Redistributions in binary form must reproduce the above copyright |
---|
| 21 | * notice, this list of conditions and the following disclaimer in the |
---|
| 22 | * documentation and/or other materials provided with the distribution. |
---|
| 23 | * 3. All advertising materials mentioning features or use of this software |
---|
| 24 | * must display the following acknowledgement: |
---|
| 25 | * This product includes software developed by the University of |
---|
| 26 | * California, Berkeley and its contributors. |
---|
| 27 | * 4. Neither the name of the University nor the names of its contributors |
---|
| 28 | * may be used to endorse or promote products derived from this software |
---|
| 29 | * without specific prior written permission. |
---|
| 30 | * |
---|
| 31 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
---|
| 32 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
---|
| 33 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
---|
| 34 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
---|
| 35 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
---|
| 36 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
---|
| 37 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
---|
| 38 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
---|
| 39 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
---|
| 40 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
---|
| 41 | * SUCH DAMAGE. |
---|
| 42 | * |
---|
| 43 | * @(#)init_main.c 8.9 (Berkeley) 1/21/94 |
---|
| 44 | */ |
---|
| 45 | |
---|
[e599318] | 46 | #include <sys/cdefs.h> |
---|
[a9153ec] | 47 | __FBSDID("$FreeBSD$"); |
---|
| 48 | |
---|
[e599318] | 49 | #include <rtems/bsd/local/opt_ddb.h> |
---|
| 50 | #include <rtems/bsd/local/opt_init_path.h> |
---|
[a9153ec] | 51 | |
---|
[e599318] | 52 | #include <rtems/bsd/sys/param.h> |
---|
| 53 | #include <sys/kernel.h> |
---|
| 54 | #include <sys/exec.h> |
---|
| 55 | #include <sys/file.h> |
---|
| 56 | #include <sys/filedesc.h> |
---|
| 57 | #include <sys/jail.h> |
---|
| 58 | #include <sys/ktr.h> |
---|
| 59 | #include <rtems/bsd/sys/lock.h> |
---|
[66659ff] | 60 | #include <sys/loginclass.h> |
---|
[e599318] | 61 | #include <sys/mount.h> |
---|
| 62 | #include <sys/mutex.h> |
---|
| 63 | #include <sys/syscallsubr.h> |
---|
| 64 | #include <sys/sysctl.h> |
---|
| 65 | #include <sys/proc.h> |
---|
[66659ff] | 66 | #include <sys/racct.h> |
---|
[e599318] | 67 | #include <sys/resourcevar.h> |
---|
| 68 | #include <sys/systm.h> |
---|
| 69 | #include <sys/signalvar.h> |
---|
| 70 | #include <sys/vnode.h> |
---|
| 71 | #include <sys/sysent.h> |
---|
| 72 | #include <sys/reboot.h> |
---|
| 73 | #include <sys/sched.h> |
---|
| 74 | #include <sys/sx.h> |
---|
| 75 | #include <sys/sysproto.h> |
---|
| 76 | #include <sys/vmmeter.h> |
---|
| 77 | #include <rtems/bsd/sys/unistd.h> |
---|
| 78 | #include <sys/malloc.h> |
---|
| 79 | #include <sys/conf.h> |
---|
[2815cdb] | 80 | #include <rtems/bsd/sys/cpuset.h> |
---|
[a9153ec] | 81 | |
---|
[e599318] | 82 | #include <machine/cpu.h> |
---|
[a9153ec] | 83 | |
---|
[e599318] | 84 | #include <security/audit/audit.h> |
---|
| 85 | #include <security/mac/mac_framework.h> |
---|
[a9153ec] | 86 | |
---|
[e599318] | 87 | #include <vm/vm.h> |
---|
| 88 | #include <vm/vm_param.h> |
---|
| 89 | #include <vm/pmap.h> |
---|
| 90 | #include <vm/vm_map.h> |
---|
| 91 | #include <sys/copyright.h> |
---|
[a9153ec] | 92 | |
---|
[e599318] | 93 | #include <ddb/ddb.h> |
---|
| 94 | #include <ddb/db_sym.h> |
---|
[a9153ec] | 95 | |
---|
| 96 | void mi_startup(void); /* Should be elsewhere */ |
---|
| 97 | |
---|
| 98 | #ifndef __rtems__ |
---|
| 99 | /* Components of the first process -- never freed. */ |
---|
| 100 | static struct session session0; |
---|
| 101 | static struct pgrp pgrp0; |
---|
| 102 | struct proc proc0; |
---|
| 103 | struct thread thread0 __aligned(16); |
---|
| 104 | struct vmspace vmspace0; |
---|
| 105 | struct proc *initproc; |
---|
| 106 | |
---|
| 107 | int boothowto = 0; /* initialized so that it can be patched */ |
---|
[66659ff] | 108 | SYSCTL_INT(_debug, OID_AUTO, boothowto, CTLFLAG_RD, &boothowto, 0, |
---|
| 109 | "Boot control flags, passed from loader"); |
---|
[a9153ec] | 110 | int bootverbose; |
---|
[66659ff] | 111 | SYSCTL_INT(_debug, OID_AUTO, bootverbose, CTLFLAG_RW, &bootverbose, 0, |
---|
| 112 | "Control the output of verbose kernel messages"); |
---|
[a9153ec] | 113 | |
---|
| 114 | /* |
---|
| 115 | * This ensures that there is at least one entry so that the sysinit_set |
---|
| 116 | * symbol is not undefined. A sybsystem ID of SI_SUB_DUMMY is never |
---|
| 117 | * executed. |
---|
| 118 | */ |
---|
| 119 | SYSINIT(placeholder, SI_SUB_DUMMY, SI_ORDER_ANY, NULL, NULL); |
---|
| 120 | |
---|
| 121 | /* |
---|
| 122 | * The sysinit table itself. Items are checked off as the are run. |
---|
| 123 | * If we want to register new sysinit types, add them to newsysinit. |
---|
| 124 | */ |
---|
| 125 | SET_DECLARE(sysinit_set, struct sysinit); |
---|
| 126 | struct sysinit **sysinit, **sysinit_end; |
---|
| 127 | struct sysinit **newsysinit, **newsysinit_end; |
---|
| 128 | |
---|
| 129 | /* |
---|
| 130 | * Merge a new sysinit set into the current set, reallocating it if |
---|
| 131 | * necessary. This can only be called after malloc is running. |
---|
| 132 | */ |
---|
| 133 | void |
---|
| 134 | sysinit_add(struct sysinit **set, struct sysinit **set_end) |
---|
| 135 | { |
---|
| 136 | struct sysinit **newset; |
---|
| 137 | struct sysinit **sipp; |
---|
| 138 | struct sysinit **xipp; |
---|
| 139 | int count; |
---|
| 140 | |
---|
| 141 | count = set_end - set; |
---|
| 142 | if (newsysinit) |
---|
| 143 | count += newsysinit_end - newsysinit; |
---|
| 144 | else |
---|
| 145 | count += sysinit_end - sysinit; |
---|
| 146 | newset = malloc(count * sizeof(*sipp), M_TEMP, M_NOWAIT); |
---|
| 147 | if (newset == NULL) |
---|
| 148 | panic("cannot malloc for sysinit"); |
---|
| 149 | xipp = newset; |
---|
| 150 | if (newsysinit) |
---|
| 151 | for (sipp = newsysinit; sipp < newsysinit_end; sipp++) |
---|
| 152 | *xipp++ = *sipp; |
---|
| 153 | else |
---|
| 154 | for (sipp = sysinit; sipp < sysinit_end; sipp++) |
---|
| 155 | *xipp++ = *sipp; |
---|
| 156 | for (sipp = set; sipp < set_end; sipp++) |
---|
| 157 | *xipp++ = *sipp; |
---|
| 158 | if (newsysinit) |
---|
| 159 | free(newsysinit, M_TEMP); |
---|
| 160 | newsysinit = newset; |
---|
| 161 | newsysinit_end = newset + count; |
---|
| 162 | } |
---|
[5084ad8] | 163 | #else /* __rtems__ */ |
---|
| 164 | RWSET_DECLARE(sysinit_set, struct sysinit); |
---|
[a9153ec] | 165 | #endif /* __rtems__ */ |
---|
| 166 | |
---|
[66659ff] | 167 | #if defined (DDB) && defined(VERBOSE_SYSINIT) |
---|
| 168 | static const char * |
---|
| 169 | symbol_name(vm_offset_t va, db_strategy_t strategy) |
---|
| 170 | { |
---|
| 171 | const char *name; |
---|
| 172 | c_db_sym_t sym; |
---|
| 173 | db_expr_t offset; |
---|
| 174 | |
---|
| 175 | if (va == 0) |
---|
| 176 | return (NULL); |
---|
| 177 | sym = db_search_symbol(va, strategy, &offset); |
---|
| 178 | if (offset != 0) |
---|
| 179 | return (NULL); |
---|
| 180 | db_symbol_values(sym, &name, NULL); |
---|
| 181 | return (name); |
---|
| 182 | } |
---|
| 183 | #endif |
---|
| 184 | |
---|
[a9153ec] | 185 | /* |
---|
| 186 | * System startup; initialize the world, create process 0, mount root |
---|
| 187 | * filesystem, and fork to create init and pagedaemon. Most of the |
---|
| 188 | * hard work is done in the lower-level initialization routines including |
---|
| 189 | * startup(), which does memory initialization and autoconfiguration. |
---|
| 190 | * |
---|
| 191 | * This allows simple addition of new kernel subsystems that require |
---|
| 192 | * boot time initialization. It also allows substitution of subsystem |
---|
| 193 | * (for instance, a scheduler, kernel profiler, or VM system) by object |
---|
| 194 | * module. Finally, it allows for optional "kernel threads". |
---|
| 195 | */ |
---|
| 196 | void |
---|
| 197 | mi_startup(void) |
---|
| 198 | { |
---|
| 199 | |
---|
| 200 | register struct sysinit **sipp; /* system initialization*/ |
---|
| 201 | register struct sysinit **xipp; /* interior loop of sort*/ |
---|
| 202 | register struct sysinit *save; /* bubble*/ |
---|
| 203 | #ifdef __rtems__ |
---|
| 204 | struct sysinit **sysinit = NULL; |
---|
| 205 | struct sysinit **sysinit_end = NULL; |
---|
| 206 | #endif /* __rtems__ */ |
---|
| 207 | |
---|
| 208 | #if defined(VERBOSE_SYSINIT) |
---|
| 209 | int last; |
---|
| 210 | int verbose; |
---|
| 211 | #endif |
---|
| 212 | |
---|
| 213 | #ifndef __rtems__ |
---|
| 214 | if (boothowto & RB_VERBOSE) |
---|
| 215 | bootverbose++; |
---|
| 216 | #endif /* __rtems__ */ |
---|
| 217 | |
---|
| 218 | if (sysinit == NULL) { |
---|
| 219 | sysinit = SET_BEGIN(sysinit_set); |
---|
| 220 | sysinit_end = SET_LIMIT(sysinit_set); |
---|
| 221 | } |
---|
| 222 | |
---|
[54146ca] | 223 | #ifndef __rtems__ |
---|
[a9153ec] | 224 | restart: |
---|
[54146ca] | 225 | #endif /* __rtems__ */ |
---|
[a9153ec] | 226 | /* |
---|
| 227 | * Perform a bubble sort of the system initialization objects by |
---|
| 228 | * their subsystem (primary key) and order (secondary key). |
---|
| 229 | */ |
---|
| 230 | for (sipp = sysinit; sipp < sysinit_end; sipp++) { |
---|
| 231 | for (xipp = sipp + 1; xipp < sysinit_end; xipp++) { |
---|
| 232 | if ((*sipp)->subsystem < (*xipp)->subsystem || |
---|
| 233 | ((*sipp)->subsystem == (*xipp)->subsystem && |
---|
| 234 | (*sipp)->order <= (*xipp)->order)) |
---|
| 235 | continue; /* skip*/ |
---|
| 236 | save = *sipp; |
---|
| 237 | *sipp = *xipp; |
---|
| 238 | *xipp = save; |
---|
| 239 | } |
---|
| 240 | } |
---|
| 241 | |
---|
| 242 | #if defined(VERBOSE_SYSINIT) |
---|
| 243 | last = SI_SUB_COPYRIGHT; |
---|
| 244 | verbose = 0; |
---|
| 245 | #if !defined(DDB) |
---|
| 246 | printf("VERBOSE_SYSINIT: DDB not enabled, symbol lookups disabled.\n"); |
---|
| 247 | #endif |
---|
| 248 | #endif |
---|
| 249 | |
---|
| 250 | /* |
---|
| 251 | * Traverse the (now) ordered list of system initialization tasks. |
---|
| 252 | * Perform each task, and continue on to the next task. |
---|
| 253 | * |
---|
| 254 | * The last item on the list is expected to be the scheduler, |
---|
| 255 | * which will not return. |
---|
| 256 | */ |
---|
| 257 | for (sipp = sysinit; sipp < sysinit_end; sipp++) { |
---|
| 258 | |
---|
| 259 | if ((*sipp)->subsystem == SI_SUB_DUMMY) |
---|
| 260 | continue; /* skip dummy task(s)*/ |
---|
| 261 | |
---|
| 262 | if ((*sipp)->subsystem == SI_SUB_DONE) |
---|
| 263 | continue; |
---|
| 264 | |
---|
| 265 | #if defined(VERBOSE_SYSINIT) |
---|
| 266 | if ((*sipp)->subsystem > last) { |
---|
| 267 | verbose = 1; |
---|
| 268 | last = (*sipp)->subsystem; |
---|
| 269 | printf("subsystem %x\n", last); |
---|
| 270 | } |
---|
| 271 | if (verbose) { |
---|
| 272 | #if defined(DDB) |
---|
[66659ff] | 273 | const char *func, *data; |
---|
| 274 | |
---|
| 275 | func = symbol_name((vm_offset_t)(*sipp)->func, |
---|
| 276 | DB_STGY_PROC); |
---|
| 277 | data = symbol_name((vm_offset_t)(*sipp)->udata, |
---|
| 278 | DB_STGY_ANY); |
---|
| 279 | if (func != NULL && data != NULL) |
---|
| 280 | printf(" %s(&%s)... ", func, data); |
---|
| 281 | else if (func != NULL) |
---|
| 282 | printf(" %s(%p)... ", func, (*sipp)->udata); |
---|
[a9153ec] | 283 | else |
---|
| 284 | #endif |
---|
| 285 | printf(" %p(%p)... ", (*sipp)->func, |
---|
| 286 | (*sipp)->udata); |
---|
| 287 | } |
---|
| 288 | #endif |
---|
| 289 | |
---|
| 290 | /* Call function */ |
---|
| 291 | (*((*sipp)->func))((*sipp)->udata); |
---|
| 292 | |
---|
| 293 | #if defined(VERBOSE_SYSINIT) |
---|
| 294 | if (verbose) |
---|
| 295 | printf("done.\n"); |
---|
| 296 | #endif |
---|
| 297 | |
---|
| 298 | /* Check off the one we're just done */ |
---|
| 299 | (*sipp)->subsystem = SI_SUB_DONE; |
---|
| 300 | |
---|
| 301 | #ifndef __rtems__ |
---|
| 302 | /* Check if we've installed more sysinit items via KLD */ |
---|
| 303 | if (newsysinit != NULL) { |
---|
| 304 | if (sysinit != SET_BEGIN(sysinit_set)) |
---|
| 305 | free(sysinit, M_TEMP); |
---|
| 306 | sysinit = newsysinit; |
---|
| 307 | sysinit_end = newsysinit_end; |
---|
| 308 | newsysinit = NULL; |
---|
| 309 | newsysinit_end = NULL; |
---|
| 310 | goto restart; |
---|
| 311 | } |
---|
| 312 | #endif /* __rtems__ */ |
---|
| 313 | } |
---|
| 314 | |
---|
| 315 | #ifndef __rtems__ |
---|
| 316 | panic("Shouldn't get here!"); |
---|
| 317 | /* NOTREACHED*/ |
---|
| 318 | #endif /* __rtems__ */ |
---|
| 319 | } |
---|
| 320 | |
---|
| 321 | |
---|
| 322 | #ifndef __rtems__ |
---|
| 323 | /* |
---|
| 324 | *************************************************************************** |
---|
| 325 | **** |
---|
| 326 | **** The following SYSINIT's belong elsewhere, but have not yet |
---|
| 327 | **** been moved. |
---|
| 328 | **** |
---|
| 329 | *************************************************************************** |
---|
| 330 | */ |
---|
| 331 | static void |
---|
| 332 | print_caddr_t(void *data) |
---|
| 333 | { |
---|
| 334 | printf("%s", (char *)data); |
---|
| 335 | } |
---|
| 336 | |
---|
| 337 | static void |
---|
| 338 | print_version(void *data __unused) |
---|
| 339 | { |
---|
| 340 | int len; |
---|
| 341 | |
---|
| 342 | /* Strip a trailing newline from version. */ |
---|
| 343 | len = strlen(version); |
---|
| 344 | while (len > 0 && version[len - 1] == '\n') |
---|
| 345 | len--; |
---|
| 346 | printf("%.*s %s\n", len, version, machine); |
---|
[af5333e] | 347 | printf("%s\n", compiler_version); |
---|
[a9153ec] | 348 | } |
---|
| 349 | |
---|
| 350 | SYSINIT(announce, SI_SUB_COPYRIGHT, SI_ORDER_FIRST, print_caddr_t, |
---|
| 351 | copyright); |
---|
| 352 | SYSINIT(trademark, SI_SUB_COPYRIGHT, SI_ORDER_SECOND, print_caddr_t, |
---|
| 353 | trademark); |
---|
| 354 | SYSINIT(version, SI_SUB_COPYRIGHT, SI_ORDER_THIRD, print_version, NULL); |
---|
| 355 | |
---|
| 356 | #ifdef WITNESS |
---|
| 357 | static char wit_warn[] = |
---|
| 358 | "WARNING: WITNESS option enabled, expect reduced performance.\n"; |
---|
| 359 | SYSINIT(witwarn, SI_SUB_COPYRIGHT, SI_ORDER_THIRD + 1, |
---|
| 360 | print_caddr_t, wit_warn); |
---|
| 361 | SYSINIT(witwarn2, SI_SUB_RUN_SCHEDULER, SI_ORDER_THIRD + 1, |
---|
| 362 | print_caddr_t, wit_warn); |
---|
| 363 | #endif |
---|
| 364 | |
---|
| 365 | #ifdef DIAGNOSTIC |
---|
| 366 | static char diag_warn[] = |
---|
| 367 | "WARNING: DIAGNOSTIC option enabled, expect reduced performance.\n"; |
---|
| 368 | SYSINIT(diagwarn, SI_SUB_COPYRIGHT, SI_ORDER_THIRD + 2, |
---|
| 369 | print_caddr_t, diag_warn); |
---|
| 370 | SYSINIT(diagwarn2, SI_SUB_RUN_SCHEDULER, SI_ORDER_THIRD + 2, |
---|
| 371 | print_caddr_t, diag_warn); |
---|
| 372 | #endif |
---|
| 373 | |
---|
| 374 | static int |
---|
| 375 | null_fetch_syscall_args(struct thread *td __unused, |
---|
| 376 | struct syscall_args *sa __unused) |
---|
| 377 | { |
---|
| 378 | |
---|
| 379 | panic("null_fetch_syscall_args"); |
---|
| 380 | } |
---|
| 381 | |
---|
| 382 | static void |
---|
| 383 | null_set_syscall_retval(struct thread *td __unused, int error __unused) |
---|
| 384 | { |
---|
| 385 | |
---|
| 386 | panic("null_set_syscall_retval"); |
---|
| 387 | } |
---|
| 388 | |
---|
| 389 | struct sysentvec null_sysvec = { |
---|
| 390 | .sv_size = 0, |
---|
| 391 | .sv_table = NULL, |
---|
| 392 | .sv_mask = 0, |
---|
| 393 | .sv_sigsize = 0, |
---|
| 394 | .sv_sigtbl = NULL, |
---|
| 395 | .sv_errsize = 0, |
---|
| 396 | .sv_errtbl = NULL, |
---|
| 397 | .sv_transtrap = NULL, |
---|
| 398 | .sv_fixup = NULL, |
---|
| 399 | .sv_sendsig = NULL, |
---|
| 400 | .sv_sigcode = NULL, |
---|
| 401 | .sv_szsigcode = NULL, |
---|
| 402 | .sv_prepsyscall = NULL, |
---|
| 403 | .sv_name = "null", |
---|
| 404 | .sv_coredump = NULL, |
---|
| 405 | .sv_imgact_try = NULL, |
---|
| 406 | .sv_minsigstksz = 0, |
---|
| 407 | .sv_pagesize = PAGE_SIZE, |
---|
| 408 | .sv_minuser = VM_MIN_ADDRESS, |
---|
| 409 | .sv_maxuser = VM_MAXUSER_ADDRESS, |
---|
| 410 | .sv_usrstack = USRSTACK, |
---|
| 411 | .sv_psstrings = PS_STRINGS, |
---|
| 412 | .sv_stackprot = VM_PROT_ALL, |
---|
| 413 | .sv_copyout_strings = NULL, |
---|
| 414 | .sv_setregs = NULL, |
---|
| 415 | .sv_fixlimit = NULL, |
---|
| 416 | .sv_maxssiz = NULL, |
---|
| 417 | .sv_flags = 0, |
---|
| 418 | .sv_set_syscall_retval = null_set_syscall_retval, |
---|
| 419 | .sv_fetch_syscall_args = null_fetch_syscall_args, |
---|
| 420 | .sv_syscallnames = NULL, |
---|
[af5333e] | 421 | .sv_schedtail = NULL, |
---|
[a9153ec] | 422 | }; |
---|
[20b5ca1] | 423 | #endif /* __rtems__ */ |
---|
[a9153ec] | 424 | |
---|
| 425 | /* |
---|
| 426 | *************************************************************************** |
---|
| 427 | **** |
---|
| 428 | **** The two following SYSINIT's are proc0 specific glue code. I am not |
---|
| 429 | **** convinced that they can not be safely combined, but their order of |
---|
| 430 | **** operation has been maintained as the same as the original init_main.c |
---|
| 431 | **** for right now. |
---|
| 432 | **** |
---|
| 433 | **** These probably belong in init_proc.c or kern_proc.c, since they |
---|
| 434 | **** deal with proc0 (the fork template process). |
---|
| 435 | **** |
---|
| 436 | *************************************************************************** |
---|
| 437 | */ |
---|
| 438 | /* ARGSUSED*/ |
---|
| 439 | static void |
---|
| 440 | proc0_init(void *dummy __unused) |
---|
| 441 | { |
---|
[20b5ca1] | 442 | #ifndef __rtems__ |
---|
[a9153ec] | 443 | struct proc *p; |
---|
| 444 | struct thread *td; |
---|
[66659ff] | 445 | vm_paddr_t pageablemem; |
---|
| 446 | int i; |
---|
[a9153ec] | 447 | |
---|
| 448 | GIANT_REQUIRED; |
---|
| 449 | p = &proc0; |
---|
| 450 | td = &thread0; |
---|
[4c0c5fd] | 451 | |
---|
[a9153ec] | 452 | /* |
---|
| 453 | * Initialize magic number and osrel. |
---|
| 454 | */ |
---|
| 455 | p->p_magic = P_MAGIC; |
---|
| 456 | p->p_osrel = osreldate; |
---|
| 457 | |
---|
| 458 | /* |
---|
| 459 | * Initialize thread and process structures. |
---|
| 460 | */ |
---|
| 461 | procinit(); /* set up proc zone */ |
---|
| 462 | threadinit(); /* set up UMA zones */ |
---|
| 463 | |
---|
| 464 | /* |
---|
| 465 | * Initialise scheduler resources. |
---|
| 466 | * Add scheduler specific parts to proc, thread as needed. |
---|
| 467 | */ |
---|
| 468 | schedinit(); /* scheduler gets its house in order */ |
---|
| 469 | /* |
---|
| 470 | * Initialize sleep queue hash table |
---|
| 471 | */ |
---|
| 472 | sleepinit(); |
---|
| 473 | |
---|
| 474 | /* |
---|
| 475 | * additional VM structures |
---|
| 476 | */ |
---|
| 477 | vm_init2(); |
---|
| 478 | |
---|
| 479 | /* |
---|
| 480 | * Create process 0 (the swapper). |
---|
| 481 | */ |
---|
| 482 | LIST_INSERT_HEAD(&allproc, p, p_list); |
---|
| 483 | LIST_INSERT_HEAD(PIDHASH(0), p, p_hash); |
---|
| 484 | mtx_init(&pgrp0.pg_mtx, "process group", NULL, MTX_DEF | MTX_DUPOK); |
---|
| 485 | p->p_pgrp = &pgrp0; |
---|
| 486 | LIST_INSERT_HEAD(PGRPHASH(0), &pgrp0, pg_hash); |
---|
| 487 | LIST_INIT(&pgrp0.pg_members); |
---|
| 488 | LIST_INSERT_HEAD(&pgrp0.pg_members, p, p_pglist); |
---|
| 489 | |
---|
| 490 | pgrp0.pg_session = &session0; |
---|
| 491 | mtx_init(&session0.s_mtx, "session", NULL, MTX_DEF); |
---|
| 492 | refcount_init(&session0.s_count, 1); |
---|
| 493 | session0.s_leader = p; |
---|
| 494 | |
---|
| 495 | p->p_sysent = &null_sysvec; |
---|
| 496 | p->p_flag = P_SYSTEM | P_INMEM; |
---|
| 497 | p->p_state = PRS_NORMAL; |
---|
| 498 | knlist_init_mtx(&p->p_klist, &p->p_mtx); |
---|
| 499 | STAILQ_INIT(&p->p_ktr); |
---|
| 500 | p->p_nice = NZERO; |
---|
[66659ff] | 501 | /* pid_max cannot be greater than PID_MAX */ |
---|
[a9153ec] | 502 | td->td_tid = PID_MAX + 1; |
---|
[66659ff] | 503 | LIST_INSERT_HEAD(TIDHASH(td->td_tid), td, td_hash); |
---|
[a9153ec] | 504 | td->td_state = TDS_RUNNING; |
---|
| 505 | td->td_pri_class = PRI_TIMESHARE; |
---|
| 506 | td->td_user_pri = PUSER; |
---|
| 507 | td->td_base_user_pri = PUSER; |
---|
[66659ff] | 508 | td->td_lend_user_pri = PRI_MAX; |
---|
[a9153ec] | 509 | td->td_priority = PVM; |
---|
[af5333e] | 510 | td->td_base_pri = PVM; |
---|
[a9153ec] | 511 | td->td_oncpu = 0; |
---|
| 512 | td->td_flags = TDF_INMEM|TDP_KTHREAD; |
---|
| 513 | td->td_cpuset = cpuset_thread0(); |
---|
| 514 | prison0.pr_cpuset = cpuset_ref(td->td_cpuset); |
---|
| 515 | p->p_peers = 0; |
---|
| 516 | p->p_leader = p; |
---|
| 517 | |
---|
| 518 | |
---|
| 519 | strncpy(p->p_comm, "kernel", sizeof (p->p_comm)); |
---|
| 520 | strncpy(td->td_name, "swapper", sizeof (td->td_name)); |
---|
| 521 | |
---|
[66659ff] | 522 | callout_init_mtx(&p->p_itcallout, &p->p_mtx, 0); |
---|
[a9153ec] | 523 | callout_init_mtx(&p->p_limco, &p->p_mtx, 0); |
---|
| 524 | callout_init(&td->td_slpcallout, CALLOUT_MPSAFE); |
---|
| 525 | |
---|
| 526 | /* Create credentials. */ |
---|
| 527 | p->p_ucred = crget(); |
---|
| 528 | p->p_ucred->cr_ngroups = 1; /* group 0 */ |
---|
| 529 | p->p_ucred->cr_uidinfo = uifind(0); |
---|
| 530 | p->p_ucred->cr_ruidinfo = uifind(0); |
---|
| 531 | p->p_ucred->cr_prison = &prison0; |
---|
[66659ff] | 532 | p->p_ucred->cr_loginclass = loginclass_find("default"); |
---|
[a9153ec] | 533 | #ifdef AUDIT |
---|
| 534 | audit_cred_kproc0(p->p_ucred); |
---|
| 535 | #endif |
---|
| 536 | #ifdef MAC |
---|
| 537 | mac_cred_create_swapper(p->p_ucred); |
---|
| 538 | #endif |
---|
| 539 | td->td_ucred = crhold(p->p_ucred); |
---|
| 540 | |
---|
| 541 | /* Create sigacts. */ |
---|
| 542 | p->p_sigacts = sigacts_alloc(); |
---|
| 543 | |
---|
| 544 | /* Initialize signal state for process 0. */ |
---|
| 545 | siginit(&proc0); |
---|
| 546 | |
---|
| 547 | /* Create the file descriptor table. */ |
---|
| 548 | p->p_fd = fdinit(NULL); |
---|
| 549 | p->p_fdtol = NULL; |
---|
| 550 | |
---|
| 551 | /* Create the limits structures. */ |
---|
| 552 | p->p_limit = lim_alloc(); |
---|
| 553 | for (i = 0; i < RLIM_NLIMITS; i++) |
---|
| 554 | p->p_limit->pl_rlimit[i].rlim_cur = |
---|
| 555 | p->p_limit->pl_rlimit[i].rlim_max = RLIM_INFINITY; |
---|
| 556 | p->p_limit->pl_rlimit[RLIMIT_NOFILE].rlim_cur = |
---|
| 557 | p->p_limit->pl_rlimit[RLIMIT_NOFILE].rlim_max = maxfiles; |
---|
| 558 | p->p_limit->pl_rlimit[RLIMIT_NPROC].rlim_cur = |
---|
| 559 | p->p_limit->pl_rlimit[RLIMIT_NPROC].rlim_max = maxproc; |
---|
[66659ff] | 560 | p->p_limit->pl_rlimit[RLIMIT_DATA].rlim_cur = dfldsiz; |
---|
| 561 | p->p_limit->pl_rlimit[RLIMIT_DATA].rlim_max = maxdsiz; |
---|
| 562 | p->p_limit->pl_rlimit[RLIMIT_STACK].rlim_cur = dflssiz; |
---|
| 563 | p->p_limit->pl_rlimit[RLIMIT_STACK].rlim_max = maxssiz; |
---|
| 564 | /* Cast to avoid overflow on i386/PAE. */ |
---|
| 565 | pageablemem = ptoa((vm_paddr_t)cnt.v_free_count); |
---|
| 566 | p->p_limit->pl_rlimit[RLIMIT_RSS].rlim_cur = |
---|
| 567 | p->p_limit->pl_rlimit[RLIMIT_RSS].rlim_max = pageablemem; |
---|
| 568 | p->p_limit->pl_rlimit[RLIMIT_MEMLOCK].rlim_cur = pageablemem / 3; |
---|
| 569 | p->p_limit->pl_rlimit[RLIMIT_MEMLOCK].rlim_max = pageablemem; |
---|
[a9153ec] | 570 | p->p_cpulimit = RLIM_INFINITY; |
---|
| 571 | |
---|
[66659ff] | 572 | /* Initialize resource accounting structures. */ |
---|
| 573 | racct_create(&p->p_racct); |
---|
| 574 | |
---|
[a9153ec] | 575 | p->p_stats = pstats_alloc(); |
---|
| 576 | |
---|
| 577 | /* Allocate a prototype map so we have something to fork. */ |
---|
| 578 | pmap_pinit0(vmspace_pmap(&vmspace0)); |
---|
| 579 | p->p_vmspace = &vmspace0; |
---|
| 580 | vmspace0.vm_refcnt = 1; |
---|
| 581 | |
---|
| 582 | /* |
---|
| 583 | * proc0 is not expected to enter usermode, so there is no special |
---|
| 584 | * handling for sv_minuser here, like is done for exec_new_vmspace(). |
---|
| 585 | */ |
---|
[66659ff] | 586 | vm_map_init(&vmspace0.vm_map, vmspace_pmap(&vmspace0), |
---|
| 587 | p->p_sysent->sv_minuser, p->p_sysent->sv_maxuser); |
---|
| 588 | |
---|
| 589 | /* |
---|
| 590 | * Call the init and ctor for the new thread and proc. We wait |
---|
| 591 | * to do this until all other structures are fairly sane. |
---|
[a9153ec] | 592 | */ |
---|
| 593 | EVENTHANDLER_INVOKE(process_init, p); |
---|
| 594 | EVENTHANDLER_INVOKE(thread_init, td); |
---|
| 595 | EVENTHANDLER_INVOKE(process_ctor, p); |
---|
| 596 | EVENTHANDLER_INVOKE(thread_ctor, td); |
---|
| 597 | |
---|
| 598 | /* |
---|
| 599 | * Charge root for one process. |
---|
| 600 | */ |
---|
| 601 | (void)chgproccnt(p->p_ucred->cr_ruidinfo, 1, 0); |
---|
[66659ff] | 602 | PROC_LOCK(p); |
---|
| 603 | racct_add_force(p, RACCT_NPROC, 1); |
---|
| 604 | PROC_UNLOCK(p); |
---|
[20b5ca1] | 605 | #endif /* __rtems__ */ |
---|
[a9153ec] | 606 | } |
---|
| 607 | SYSINIT(p0init, SI_SUB_INTRINSIC, SI_ORDER_FIRST, proc0_init, NULL); |
---|
| 608 | |
---|
[20b5ca1] | 609 | #ifndef __rtems__ |
---|
[a9153ec] | 610 | /* ARGSUSED*/ |
---|
| 611 | static void |
---|
| 612 | proc0_post(void *dummy __unused) |
---|
| 613 | { |
---|
| 614 | struct timespec ts; |
---|
| 615 | struct proc *p; |
---|
| 616 | struct rusage ru; |
---|
| 617 | struct thread *td; |
---|
| 618 | |
---|
| 619 | /* |
---|
| 620 | * Now we can look at the time, having had a chance to verify the |
---|
| 621 | * time from the filesystem. Pretend that proc0 started now. |
---|
| 622 | */ |
---|
| 623 | sx_slock(&allproc_lock); |
---|
| 624 | FOREACH_PROC_IN_SYSTEM(p) { |
---|
| 625 | microuptime(&p->p_stats->p_start); |
---|
| 626 | PROC_SLOCK(p); |
---|
| 627 | rufetch(p, &ru); /* Clears thread stats */ |
---|
| 628 | PROC_SUNLOCK(p); |
---|
| 629 | p->p_rux.rux_runtime = 0; |
---|
| 630 | p->p_rux.rux_uticks = 0; |
---|
| 631 | p->p_rux.rux_sticks = 0; |
---|
| 632 | p->p_rux.rux_iticks = 0; |
---|
| 633 | FOREACH_THREAD_IN_PROC(p, td) { |
---|
| 634 | td->td_runtime = 0; |
---|
| 635 | } |
---|
| 636 | } |
---|
| 637 | sx_sunlock(&allproc_lock); |
---|
| 638 | PCPU_SET(switchtime, cpu_ticks()); |
---|
| 639 | PCPU_SET(switchticks, ticks); |
---|
| 640 | |
---|
| 641 | /* |
---|
| 642 | * Give the ``random'' number generator a thump. |
---|
| 643 | */ |
---|
| 644 | nanotime(&ts); |
---|
| 645 | srandom(ts.tv_sec ^ ts.tv_nsec); |
---|
| 646 | } |
---|
| 647 | SYSINIT(p0post, SI_SUB_INTRINSIC_POST, SI_ORDER_FIRST, proc0_post, NULL); |
---|
| 648 | |
---|
| 649 | static void |
---|
| 650 | random_init(void *dummy __unused) |
---|
| 651 | { |
---|
| 652 | |
---|
| 653 | /* |
---|
| 654 | * After CPU has been started we have some randomness on most |
---|
| 655 | * platforms via get_cyclecount(). For platforms that don't |
---|
| 656 | * we will reseed random(9) in proc0_post() as well. |
---|
| 657 | */ |
---|
| 658 | srandom(get_cyclecount()); |
---|
| 659 | } |
---|
| 660 | SYSINIT(random, SI_SUB_RANDOM, SI_ORDER_FIRST, random_init, NULL); |
---|
| 661 | |
---|
| 662 | /* |
---|
| 663 | *************************************************************************** |
---|
| 664 | **** |
---|
| 665 | **** The following SYSINIT's and glue code should be moved to the |
---|
| 666 | **** respective files on a per subsystem basis. |
---|
| 667 | **** |
---|
| 668 | *************************************************************************** |
---|
| 669 | */ |
---|
| 670 | |
---|
| 671 | |
---|
| 672 | /* |
---|
| 673 | *************************************************************************** |
---|
| 674 | **** |
---|
| 675 | **** The following code probably belongs in another file, like |
---|
| 676 | **** kern/init_init.c. |
---|
| 677 | **** |
---|
| 678 | *************************************************************************** |
---|
| 679 | */ |
---|
| 680 | |
---|
| 681 | /* |
---|
| 682 | * List of paths to try when searching for "init". |
---|
| 683 | */ |
---|
| 684 | static char init_path[MAXPATHLEN] = |
---|
| 685 | #ifdef INIT_PATH |
---|
| 686 | __XSTRING(INIT_PATH); |
---|
| 687 | #else |
---|
| 688 | "/sbin/init:/sbin/oinit:/sbin/init.bak:/rescue/init:/stand/sysinstall"; |
---|
| 689 | #endif |
---|
| 690 | SYSCTL_STRING(_kern, OID_AUTO, init_path, CTLFLAG_RD, init_path, 0, |
---|
| 691 | "Path used to search the init process"); |
---|
| 692 | |
---|
| 693 | /* |
---|
| 694 | * Shutdown timeout of init(8). |
---|
| 695 | * Unused within kernel, but used to control init(8), hence do not remove. |
---|
| 696 | */ |
---|
| 697 | #ifndef INIT_SHUTDOWN_TIMEOUT |
---|
| 698 | #define INIT_SHUTDOWN_TIMEOUT 120 |
---|
| 699 | #endif |
---|
| 700 | static int init_shutdown_timeout = INIT_SHUTDOWN_TIMEOUT; |
---|
| 701 | SYSCTL_INT(_kern, OID_AUTO, init_shutdown_timeout, |
---|
[66659ff] | 702 | CTLFLAG_RW, &init_shutdown_timeout, 0, "Shutdown timeout of init(8). " |
---|
| 703 | "Unused within kernel, but used to control init(8)"); |
---|
[a9153ec] | 704 | |
---|
| 705 | /* |
---|
| 706 | * Start the initial user process; try exec'ing each pathname in init_path. |
---|
| 707 | * The program is invoked with one argument containing the boot flags. |
---|
| 708 | */ |
---|
| 709 | static void |
---|
| 710 | start_init(void *dummy) |
---|
| 711 | { |
---|
| 712 | vm_offset_t addr; |
---|
| 713 | struct execve_args args; |
---|
| 714 | int options, error; |
---|
| 715 | char *var, *path, *next, *s; |
---|
| 716 | char *ucp, **uap, *arg0, *arg1; |
---|
| 717 | struct thread *td; |
---|
| 718 | struct proc *p; |
---|
| 719 | |
---|
| 720 | mtx_lock(&Giant); |
---|
| 721 | |
---|
| 722 | GIANT_REQUIRED; |
---|
| 723 | |
---|
| 724 | td = curthread; |
---|
| 725 | p = td->td_proc; |
---|
| 726 | |
---|
| 727 | vfs_mountroot(); |
---|
| 728 | |
---|
| 729 | /* |
---|
| 730 | * Need just enough stack to hold the faked-up "execve()" arguments. |
---|
| 731 | */ |
---|
| 732 | addr = p->p_sysent->sv_usrstack - PAGE_SIZE; |
---|
| 733 | if (vm_map_find(&p->p_vmspace->vm_map, NULL, 0, &addr, PAGE_SIZE, |
---|
| 734 | FALSE, VM_PROT_ALL, VM_PROT_ALL, 0) != 0) |
---|
| 735 | panic("init: couldn't allocate argument space"); |
---|
| 736 | p->p_vmspace->vm_maxsaddr = (caddr_t)addr; |
---|
| 737 | p->p_vmspace->vm_ssize = 1; |
---|
| 738 | |
---|
| 739 | if ((var = getenv("init_path")) != NULL) { |
---|
| 740 | strlcpy(init_path, var, sizeof(init_path)); |
---|
| 741 | freeenv(var); |
---|
| 742 | } |
---|
[4c0c5fd] | 743 | |
---|
[a9153ec] | 744 | for (path = init_path; *path != '\0'; path = next) { |
---|
| 745 | while (*path == ':') |
---|
| 746 | path++; |
---|
| 747 | if (*path == '\0') |
---|
| 748 | break; |
---|
| 749 | for (next = path; *next != '\0' && *next != ':'; next++) |
---|
| 750 | /* nothing */ ; |
---|
| 751 | if (bootverbose) |
---|
| 752 | printf("start_init: trying %.*s\n", (int)(next - path), |
---|
| 753 | path); |
---|
[4c0c5fd] | 754 | |
---|
[a9153ec] | 755 | /* |
---|
| 756 | * Move out the boot flag argument. |
---|
| 757 | */ |
---|
| 758 | options = 0; |
---|
| 759 | ucp = (char *)p->p_sysent->sv_usrstack; |
---|
| 760 | (void)subyte(--ucp, 0); /* trailing zero */ |
---|
| 761 | if (boothowto & RB_SINGLE) { |
---|
| 762 | (void)subyte(--ucp, 's'); |
---|
| 763 | options = 1; |
---|
| 764 | } |
---|
| 765 | #ifdef notyet |
---|
| 766 | if (boothowto & RB_FASTBOOT) { |
---|
| 767 | (void)subyte(--ucp, 'f'); |
---|
| 768 | options = 1; |
---|
| 769 | } |
---|
| 770 | #endif |
---|
| 771 | |
---|
| 772 | #ifdef BOOTCDROM |
---|
| 773 | (void)subyte(--ucp, 'C'); |
---|
| 774 | options = 1; |
---|
| 775 | #endif |
---|
| 776 | |
---|
| 777 | if (options == 0) |
---|
| 778 | (void)subyte(--ucp, '-'); |
---|
| 779 | (void)subyte(--ucp, '-'); /* leading hyphen */ |
---|
| 780 | arg1 = ucp; |
---|
| 781 | |
---|
| 782 | /* |
---|
| 783 | * Move out the file name (also arg 0). |
---|
| 784 | */ |
---|
| 785 | (void)subyte(--ucp, 0); |
---|
| 786 | for (s = next - 1; s >= path; s--) |
---|
| 787 | (void)subyte(--ucp, *s); |
---|
| 788 | arg0 = ucp; |
---|
| 789 | |
---|
| 790 | /* |
---|
| 791 | * Move out the arg pointers. |
---|
| 792 | */ |
---|
| 793 | uap = (char **)((intptr_t)ucp & ~(sizeof(intptr_t)-1)); |
---|
| 794 | (void)suword((caddr_t)--uap, (long)0); /* terminator */ |
---|
| 795 | (void)suword((caddr_t)--uap, (long)(intptr_t)arg1); |
---|
| 796 | (void)suword((caddr_t)--uap, (long)(intptr_t)arg0); |
---|
| 797 | |
---|
| 798 | /* |
---|
| 799 | * Point at the arguments. |
---|
| 800 | */ |
---|
| 801 | args.fname = arg0; |
---|
| 802 | args.argv = uap; |
---|
| 803 | args.envv = NULL; |
---|
| 804 | |
---|
| 805 | /* |
---|
| 806 | * Now try to exec the program. If can't for any reason |
---|
| 807 | * other than it doesn't exist, complain. |
---|
| 808 | * |
---|
| 809 | * Otherwise, return via fork_trampoline() all the way |
---|
| 810 | * to user mode as init! |
---|
| 811 | */ |
---|
[66659ff] | 812 | if ((error = sys_execve(td, &args)) == 0) { |
---|
[a9153ec] | 813 | mtx_unlock(&Giant); |
---|
| 814 | return; |
---|
| 815 | } |
---|
| 816 | if (error != ENOENT) |
---|
[4c0c5fd] | 817 | printf("exec %.*s: error %d\n", (int)(next - path), |
---|
[a9153ec] | 818 | path, error); |
---|
| 819 | } |
---|
| 820 | printf("init: not found in path %s\n", init_path); |
---|
| 821 | panic("no init"); |
---|
| 822 | } |
---|
| 823 | |
---|
| 824 | /* |
---|
| 825 | * Like kproc_create(), but runs in it's own address space. |
---|
| 826 | * We do this early to reserve pid 1. |
---|
| 827 | * |
---|
| 828 | * Note special case - do not make it runnable yet. Other work |
---|
| 829 | * in progress will change this more. |
---|
| 830 | */ |
---|
| 831 | static void |
---|
| 832 | create_init(const void *udata __unused) |
---|
| 833 | { |
---|
| 834 | struct ucred *newcred, *oldcred; |
---|
| 835 | int error; |
---|
| 836 | |
---|
[66659ff] | 837 | error = fork1(&thread0, RFFDG | RFPROC | RFSTOPPED, 0, &initproc, |
---|
| 838 | NULL, 0); |
---|
[a9153ec] | 839 | if (error) |
---|
| 840 | panic("cannot fork init: %d\n", error); |
---|
| 841 | KASSERT(initproc->p_pid == 1, ("create_init: initproc->p_pid != 1")); |
---|
| 842 | /* divorce init's credentials from the kernel's */ |
---|
| 843 | newcred = crget(); |
---|
| 844 | PROC_LOCK(initproc); |
---|
| 845 | initproc->p_flag |= P_SYSTEM | P_INMEM; |
---|
| 846 | oldcred = initproc->p_ucred; |
---|
| 847 | crcopy(newcred, oldcred); |
---|
| 848 | #ifdef MAC |
---|
| 849 | mac_cred_create_init(newcred); |
---|
| 850 | #endif |
---|
| 851 | #ifdef AUDIT |
---|
| 852 | audit_cred_proc1(newcred); |
---|
| 853 | #endif |
---|
| 854 | initproc->p_ucred = newcred; |
---|
| 855 | PROC_UNLOCK(initproc); |
---|
| 856 | crfree(oldcred); |
---|
| 857 | cred_update_thread(FIRST_THREAD_IN_PROC(initproc)); |
---|
| 858 | cpu_set_fork_handler(FIRST_THREAD_IN_PROC(initproc), start_init, NULL); |
---|
| 859 | } |
---|
| 860 | SYSINIT(init, SI_SUB_CREATE_INIT, SI_ORDER_FIRST, create_init, NULL); |
---|
| 861 | |
---|
| 862 | /* |
---|
| 863 | * Make it runnable now. |
---|
| 864 | */ |
---|
| 865 | static void |
---|
| 866 | kick_init(const void *udata __unused) |
---|
| 867 | { |
---|
| 868 | struct thread *td; |
---|
| 869 | |
---|
| 870 | td = FIRST_THREAD_IN_PROC(initproc); |
---|
| 871 | thread_lock(td); |
---|
| 872 | TD_SET_CAN_RUN(td); |
---|
| 873 | sched_add(td, SRQ_BORING); |
---|
| 874 | thread_unlock(td); |
---|
| 875 | } |
---|
| 876 | SYSINIT(kickinit, SI_SUB_KTHREAD_INIT, SI_ORDER_FIRST, kick_init, NULL); |
---|
| 877 | #endif /* __rtems__ */ |
---|