1 /* 2 * Copyright (c) 1995 Terrence R. Lambert 3 * All rights reserved. 4 * 5 * Copyright (c) 1982, 1986, 1989, 1991, 1992, 1993 6 * The Regents of the University of California. All rights reserved. 7 * (c) UNIX System Laboratories, Inc. 8 * All or some portions of this file are derived from material licensed 9 * to the University of California by American Telephone and Telegraph 10 * Co. or Unix System Laboratories, Inc. and are reproduced herein with 11 * the permission of UNIX System Laboratories, Inc. 12 * 13 * Redistribution and use in source and binary forms, with or without 14 * modification, are permitted provided that the following conditions 15 * are met: 16 * 1. Redistributions of source code must retain the above copyright 17 * notice, this list of conditions and the following disclaimer. 18 * 2. Redistributions in binary form must reproduce the above copyright 19 * notice, this list of conditions and the following disclaimer in the 20 * documentation and/or other materials provided with the distribution. 21 * 3. All advertising materials mentioning features or use of this software 22 * must display the following acknowledgement: 23 * This product includes software developed by the University of 24 * California, Berkeley and its contributors. 25 * 4. Neither the name of the University nor the names of its contributors 26 * may be used to endorse or promote products derived from this software 27 * without specific prior written permission. 28 * 29 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 30 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 31 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 32 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 33 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 34 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 35 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 36 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 37 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 38 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 39 * SUCH DAMAGE. 40 * 41 * @(#)init_main.c 8.9 (Berkeley) 1/21/94 42 * $FreeBSD: src/sys/kern/init_main.c,v 1.134.2.8 2003/06/06 20:21:32 tegge Exp $ 43 * $DragonFly: src/sys/kern/init_main.c,v 1.87 2008/06/07 11:37:23 mneumann Exp $ 44 */ 45 46 #include "opt_init_path.h" 47 48 #include <sys/param.h> 49 #include <sys/file.h> 50 #include <sys/filedesc.h> 51 #include <sys/kernel.h> 52 #include <sys/mount.h> 53 #include <sys/sysctl.h> 54 #include <sys/proc.h> 55 #include <sys/resourcevar.h> 56 #include <sys/signalvar.h> 57 #include <sys/systm.h> 58 #include <sys/vnode.h> 59 #include <sys/sysent.h> 60 #include <sys/reboot.h> 61 #include <sys/sysproto.h> 62 #include <sys/vmmeter.h> 63 #include <sys/unistd.h> 64 #include <sys/malloc.h> 65 #include <sys/machintr.h> 66 #include <sys/file2.h> 67 #include <sys/thread2.h> 68 #include <sys/sysref2.h> 69 #include <sys/spinlock2.h> 70 71 #include <machine/cpu.h> 72 73 #include <vm/vm.h> 74 #include <vm/vm_param.h> 75 #include <sys/lock.h> 76 #include <vm/pmap.h> 77 #include <vm/vm_map.h> 78 #include <vm/vm_extern.h> 79 #include <sys/user.h> 80 #include <sys/copyright.h> 81 82 int vfs_mountroot_devfs(void); 83 84 /* Components of the first process -- never freed. */ 85 static struct session session0; 86 static struct pgrp pgrp0; 87 static struct sigacts sigacts0; 88 static struct filedesc filedesc0; 89 static struct plimit limit0; 90 static struct vmspace vmspace0; 91 struct proc *initproc; 92 struct proc proc0; 93 struct lwp lwp0; 94 struct thread thread0; 95 96 int cmask = CMASK; 97 extern struct user *proc0paddr; 98 extern int fallback_elf_brand; 99 100 int boothowto = 0; /* initialized so that it can be patched */ 101 SYSCTL_INT(_debug, OID_AUTO, boothowto, CTLFLAG_RD, &boothowto, 0, ""); 102 103 /* 104 * This ensures that there is at least one entry so that the sysinit_set 105 * symbol is not undefined. A subsystem ID of SI_SPECIAL_DUMMY is never 106 * executed. 107 */ 108 SYSINIT(placeholder, SI_SPECIAL_DUMMY, SI_ORDER_ANY, NULL, NULL) 109 110 /* 111 * The sysinit table itself. Items are checked off as the are run. 112 * If we want to register new sysinit types, add them to newsysinit. 113 */ 114 SET_DECLARE(sysinit_set, struct sysinit); 115 struct sysinit **sysinit, **sysinit_end; 116 struct sysinit **newsysinit, **newsysinit_end; 117 118 119 /* 120 * Merge a new sysinit set into the current set, reallocating it if 121 * necessary. This can only be called after malloc is running. 122 */ 123 void 124 sysinit_add(struct sysinit **set, struct sysinit **set_end) 125 { 126 struct sysinit **newset; 127 struct sysinit **sipp; 128 struct sysinit **xipp; 129 int count; 130 131 count = set_end - set; 132 if (newsysinit) 133 count += newsysinit_end - newsysinit; 134 else 135 count += sysinit_end - sysinit; 136 newset = kmalloc(count * sizeof(*sipp), M_TEMP, M_WAITOK); 137 xipp = newset; 138 if (newsysinit) { 139 for (sipp = newsysinit; sipp < newsysinit_end; sipp++) 140 *xipp++ = *sipp; 141 } else { 142 for (sipp = sysinit; sipp < sysinit_end; sipp++) 143 *xipp++ = *sipp; 144 } 145 for (sipp = set; sipp < set_end; sipp++) 146 *xipp++ = *sipp; 147 if (newsysinit) 148 kfree(newsysinit, M_TEMP); 149 newsysinit = newset; 150 newsysinit_end = newset + count; 151 } 152 153 /* 154 * Callbacks from machine-dependant startup code (e.g. init386) to set 155 * up low level entities related to cpu #0's globaldata. 156 * 157 * Called from very low level boot code. 158 */ 159 void 160 mi_proc0init(struct globaldata *gd, struct user *proc0paddr) 161 { 162 lwkt_init_thread(&thread0, proc0paddr, LWKT_THREAD_STACK, 0, gd); 163 lwkt_set_comm(&thread0, "thread0"); 164 RB_INIT(&proc0.p_lwp_tree); 165 spin_init(&proc0.p_spin); 166 proc0.p_lasttid = 0; /* +1 = next TID */ 167 lwp_rb_tree_RB_INSERT(&proc0.p_lwp_tree, &lwp0); 168 lwp0.lwp_thread = &thread0; 169 lwp0.lwp_proc = &proc0; 170 proc0.p_usched = usched_init(); 171 lwp0.lwp_cpumask = 0xFFFFFFFF; 172 varsymset_init(&proc0.p_varsymset, NULL); 173 thread0.td_flags |= TDF_RUNNING; 174 thread0.td_proc = &proc0; 175 thread0.td_lwp = &lwp0; 176 thread0.td_switch = cpu_lwkt_switch; 177 lwkt_schedule_self(curthread); 178 } 179 180 /* 181 * System startup; initialize the world, create process 0, mount root 182 * filesystem, and fork to create init and pagedaemon. Most of the 183 * hard work is done in the lower-level initialization routines including 184 * startup(), which does memory initialization and autoconfiguration. 185 * 186 * This allows simple addition of new kernel subsystems that require 187 * boot time initialization. It also allows substitution of subsystem 188 * (for instance, a scheduler, kernel profiler, or VM system) by object 189 * module. Finally, it allows for optional "kernel threads". 190 */ 191 void 192 mi_startup(void) 193 { 194 struct sysinit *sip; /* system initialization*/ 195 struct sysinit **sipp; /* system initialization*/ 196 struct sysinit **xipp; /* interior loop of sort*/ 197 struct sysinit *save; /* bubble*/ 198 199 if (sysinit == NULL) { 200 sysinit = SET_BEGIN(sysinit_set); 201 sysinit_end = SET_LIMIT(sysinit_set); 202 } 203 204 restart: 205 /* 206 * Perform a bubble sort of the system initialization objects by 207 * their subsystem (primary key) and order (secondary key). 208 */ 209 for (sipp = sysinit; sipp < sysinit_end; sipp++) { 210 for (xipp = sipp + 1; xipp < sysinit_end; xipp++) { 211 if ((*sipp)->subsystem < (*xipp)->subsystem || 212 ((*sipp)->subsystem == (*xipp)->subsystem && 213 (*sipp)->order <= (*xipp)->order)) 214 continue; /* skip*/ 215 save = *sipp; 216 *sipp = *xipp; 217 *xipp = save; 218 } 219 } 220 221 /* 222 * Traverse the (now) ordered list of system initialization tasks. 223 * Perform each task, and continue on to the next task. 224 * 225 * The last item on the list is expected to be the scheduler, 226 * which will not return. 227 */ 228 for (sipp = sysinit; sipp < sysinit_end; sipp++) { 229 sip = *sipp; 230 if (sip->subsystem == SI_SPECIAL_DUMMY) 231 continue; /* skip dummy task(s)*/ 232 233 if (sip->subsystem == SI_SPECIAL_DONE) 234 continue; 235 236 /* Call function */ 237 (*(sip->func))(sip->udata); 238 239 /* Check off the one we're just done */ 240 sip->subsystem = SI_SPECIAL_DONE; 241 242 /* Check if we've installed more sysinit items via KLD */ 243 if (newsysinit != NULL) { 244 if (sysinit != SET_BEGIN(sysinit_set)) 245 kfree(sysinit, M_TEMP); 246 sysinit = newsysinit; 247 sysinit_end = newsysinit_end; 248 newsysinit = NULL; 249 newsysinit_end = NULL; 250 goto restart; 251 } 252 } 253 254 panic("Shouldn't get here!"); 255 /* NOTREACHED*/ 256 } 257 258 259 /* 260 *************************************************************************** 261 **** 262 **** The following SYSINIT's belong elsewhere, but have not yet 263 **** been moved. 264 **** 265 *************************************************************************** 266 */ 267 static void 268 print_caddr_t(void *data __unused) 269 { 270 kprintf("%s", (char *)data); 271 } 272 SYSINIT(announce, SI_BOOT1_COPYRIGHT, SI_ORDER_FIRST, print_caddr_t, copyright) 273 274 /* 275 * Leave the critical section that protected us from spurious interrupts 276 * so device probes work. 277 */ 278 static void 279 leavecrit(void *dummy __unused) 280 { 281 MachIntrABI.finalize(); 282 cpu_enable_intr(); 283 MachIntrABI.cleanup(); 284 crit_exit(); 285 KKASSERT(!IN_CRITICAL_SECT(curthread)); 286 287 if (bootverbose) 288 kprintf("Leaving critical section, allowing interrupts\n"); 289 } 290 SYSINIT(leavecrit, SI_BOOT2_LEAVE_CRIT, SI_ORDER_ANY, leavecrit, NULL) 291 292 /* 293 * This is called after the threading system is up and running, 294 * including the softclock, clock interrupts, and SMP. 295 */ 296 static void 297 tsleepworks(void *dummy __unused) 298 { 299 tsleep_now_works = 1; 300 } 301 SYSINIT(tsleepworks, SI_BOOT2_FINISH_SMP, SI_ORDER_SECOND, tsleepworks, NULL) 302 303 /* 304 * This is called after devices have configured. Tell the kernel we are 305 * no longer in cold boot. 306 */ 307 static void 308 endofcoldboot(void *dummy __unused) 309 { 310 cold = 0; 311 } 312 SYSINIT(endofcoldboot, SI_SUB_ISWARM, SI_ORDER_ANY, endofcoldboot, NULL) 313 314 /* 315 *************************************************************************** 316 **** 317 **** The two following SYSINT's are proc0 specific glue code. I am not 318 **** convinced that they can not be safely combined, but their order of 319 **** operation has been maintained as the same as the original init_main.c 320 **** for right now. 321 **** 322 **** These probably belong in init_proc.c or kern_proc.c, since they 323 **** deal with proc0 (the fork template process). 324 **** 325 *************************************************************************** 326 */ 327 /* ARGSUSED*/ 328 static void 329 proc0_init(void *dummy __unused) 330 { 331 struct proc *p; 332 struct lwp *lp; 333 334 p = &proc0; 335 lp = &lwp0; 336 337 /* 338 * Initialize process and pgrp structures. 339 */ 340 procinit(); 341 342 /* 343 * additional VM structures 344 */ 345 vm_init2(); 346 347 /* 348 * Create process 0 (the swapper). 349 */ 350 LIST_INSERT_HEAD(&allproc, p, p_list); 351 p->p_pgrp = &pgrp0; 352 LIST_INSERT_HEAD(PGRPHASH(0), &pgrp0, pg_hash); 353 LIST_INIT(&pgrp0.pg_members); 354 LIST_INSERT_HEAD(&pgrp0.pg_members, p, p_pglist); 355 356 pgrp0.pg_session = &session0; 357 session0.s_count = 1; 358 session0.s_leader = p; 359 360 p->p_sysent = &aout_sysvec; 361 362 p->p_flag = P_SYSTEM; 363 p->p_stat = SACTIVE; 364 lp->lwp_stat = LSRUN; 365 p->p_nice = NZERO; 366 p->p_rtprio.type = RTP_PRIO_NORMAL; 367 p->p_rtprio.prio = 0; 368 lp->lwp_rtprio = p->p_rtprio; 369 370 p->p_peers = 0; 371 p->p_leader = p; 372 373 bcopy("swapper", p->p_comm, sizeof ("swapper")); 374 bcopy("swapper", thread0.td_comm, sizeof ("swapper")); 375 376 /* Create credentials. */ 377 p->p_ucred = crget(); 378 p->p_ucred->cr_ruidinfo = uifind(0); 379 p->p_ucred->cr_ngroups = 1; /* group 0 */ 380 p->p_ucred->cr_uidinfo = uifind(0); 381 thread0.td_ucred = crhold(p->p_ucred); /* bootstrap fork1() */ 382 383 /* Don't jail it */ 384 p->p_ucred->cr_prison = NULL; 385 386 /* Create sigacts. */ 387 p->p_sigacts = &sigacts0; 388 p->p_sigacts->ps_refcnt = 1; 389 390 /* Initialize signal state for process 0. */ 391 siginit(p); 392 393 /* Create the file descriptor table. */ 394 fdinit_bootstrap(p, &filedesc0, cmask); 395 396 /* Create the limits structures. */ 397 plimit_init0(&limit0); 398 p->p_limit = &limit0; 399 400 /* Allocate a prototype map so we have something to fork. */ 401 pmap_pinit0(vmspace_pmap(&vmspace0)); 402 p->p_vmspace = &vmspace0; 403 lp->lwp_vmspace = p->p_vmspace; 404 sysref_init(&vmspace0.vm_sysref, &vmspace_sysref_class); 405 vm_map_init(&vmspace0.vm_map, 406 round_page(VM_MIN_USER_ADDRESS), 407 trunc_page(VM_MAX_USER_ADDRESS), 408 vmspace_pmap(&vmspace0)); 409 sysref_activate(&vmspace0.vm_sysref); 410 411 /* 412 * Charge root for one process. 413 */ 414 (void)chgproccnt(p->p_ucred->cr_uidinfo, 1, 0); 415 vm_init_limits(p); 416 } 417 SYSINIT(p0init, SI_BOOT2_PROC0, SI_ORDER_FIRST, proc0_init, NULL) 418 419 static int proc0_post_callback(struct proc *p, void *data __unused); 420 421 /* ARGSUSED*/ 422 static void 423 proc0_post(void *dummy __unused) 424 { 425 struct timespec ts; 426 427 /* 428 * Now we can look at the time, having had a chance to verify the 429 * time from the file system. Pretend that proc0 started now. 430 */ 431 allproc_scan(proc0_post_callback, NULL); 432 433 /* 434 * Give the ``random'' number generator a thump. 435 * XXX: Does read_random() contain enough bits to be used here ? 436 */ 437 nanotime(&ts); 438 skrandom(ts.tv_sec ^ ts.tv_nsec); 439 } 440 441 static int 442 proc0_post_callback(struct proc *p, void *data __unused) 443 { 444 microtime(&p->p_start); 445 return(0); 446 } 447 448 SYSINIT(p0post, SI_SUB_PROC0_POST, SI_ORDER_FIRST, proc0_post, NULL) 449 450 /* 451 *************************************************************************** 452 **** 453 **** The following SYSINIT's and glue code should be moved to the 454 **** respective files on a per subsystem basis. 455 **** 456 *************************************************************************** 457 */ 458 459 460 /* 461 *************************************************************************** 462 **** 463 **** The following code probably belongs in another file, like 464 **** kern/init_init.c. 465 **** 466 *************************************************************************** 467 */ 468 469 /* 470 * List of paths to try when searching for "init". 471 */ 472 static char init_path[MAXPATHLEN] = 473 #ifdef INIT_PATH 474 __XSTRING(INIT_PATH); 475 #else 476 "/sbin/init:/sbin/oinit:/sbin/init.bak"; 477 #endif 478 SYSCTL_STRING(_kern, OID_AUTO, init_path, CTLFLAG_RD, init_path, 0, ""); 479 480 /* 481 * Start the initial user process; try exec'ing each pathname in init_path. 482 * The program is invoked with one argument containing the boot flags. 483 * 484 * The MP lock is held on entry. 485 */ 486 static void 487 start_init(void *dummy, struct trapframe *frame) 488 { 489 vm_offset_t addr; 490 struct execve_args args; 491 int options, error; 492 char *var, *path, *next, *s; 493 char *ucp, **uap, *arg0, *arg1; 494 struct proc *p; 495 struct lwp *lp; 496 struct mount *mp; 497 struct vnode *vp; 498 499 p = curproc; 500 501 lp = ONLY_LWP_IN_PROC(p); 502 503 /* Get the vnode for '/'. Set p->p_fd->fd_cdir to reference it. */ 504 mp = mountlist_boot_getfirst(); 505 if (VFS_ROOT(mp, &vp)) 506 panic("cannot find root vnode"); 507 if (mp->mnt_ncmountpt.ncp == NULL) { 508 cache_allocroot(&mp->mnt_ncmountpt, mp, vp); 509 cache_unlock(&mp->mnt_ncmountpt); /* leave ref intact */ 510 } 511 p->p_fd->fd_cdir = vp; 512 vref(p->p_fd->fd_cdir); 513 p->p_fd->fd_rdir = vp; 514 vref(p->p_fd->fd_rdir); 515 vfs_cache_setroot(vp, cache_hold(&mp->mnt_ncmountpt)); 516 vn_unlock(vp); /* leave ref intact */ 517 cache_copy(&mp->mnt_ncmountpt, &p->p_fd->fd_ncdir); 518 cache_copy(&mp->mnt_ncmountpt, &p->p_fd->fd_nrdir); 519 520 kprintf("Mounting devfs\n"); 521 vfs_mountroot_devfs(); 522 523 /* 524 * Need just enough stack to hold the faked-up "execve()" arguments. 525 */ 526 addr = trunc_page(USRSTACK - PAGE_SIZE); 527 error = vm_map_find(&p->p_vmspace->vm_map, NULL, 0, &addr, PAGE_SIZE, 528 FALSE, 529 VM_MAPTYPE_NORMAL, 530 VM_PROT_ALL, VM_PROT_ALL, 531 0); 532 if (error) 533 panic("init: couldn't allocate argument space"); 534 p->p_vmspace->vm_maxsaddr = (caddr_t)addr; 535 p->p_vmspace->vm_ssize = 1; 536 537 if ((var = kgetenv("init_path")) != NULL) { 538 strncpy(init_path, var, sizeof init_path); 539 init_path[sizeof init_path - 1] = 0; 540 } 541 if ((var = kgetenv("kern.fallback_elf_brand")) != NULL) 542 fallback_elf_brand = strtol(var, NULL, 0); 543 544 for (path = init_path; *path != '\0'; path = next) { 545 while (*path == ':') 546 path++; 547 if (*path == '\0') 548 break; 549 for (next = path; *next != '\0' && *next != ':'; next++) 550 /* nothing */ ; 551 if (bootverbose) 552 kprintf("start_init: trying %.*s\n", (int)(next - path), 553 path); 554 555 /* 556 * Move out the boot flag argument. 557 */ 558 options = 0; 559 ucp = (char *)USRSTACK; 560 (void)subyte(--ucp, 0); /* trailing zero */ 561 if (boothowto & RB_SINGLE) { 562 (void)subyte(--ucp, 's'); 563 options = 1; 564 } 565 #ifdef notyet 566 if (boothowto & RB_FASTBOOT) { 567 (void)subyte(--ucp, 'f'); 568 options = 1; 569 } 570 #endif 571 572 #ifdef BOOTCDROM 573 (void)subyte(--ucp, 'C'); 574 options = 1; 575 #endif 576 if (options == 0) 577 (void)subyte(--ucp, '-'); 578 (void)subyte(--ucp, '-'); /* leading hyphen */ 579 arg1 = ucp; 580 581 /* 582 * Move out the file name (also arg 0). 583 */ 584 (void)subyte(--ucp, 0); 585 for (s = next - 1; s >= path; s--) 586 (void)subyte(--ucp, *s); 587 arg0 = ucp; 588 589 /* 590 * Move out the arg pointers. 591 */ 592 uap = (char **)((intptr_t)ucp & ~(sizeof(intptr_t)-1)); 593 (void)suword((caddr_t)--uap, (long)0); /* terminator */ 594 (void)suword((caddr_t)--uap, (long)(intptr_t)arg1); 595 (void)suword((caddr_t)--uap, (long)(intptr_t)arg0); 596 597 /* 598 * Point at the arguments. 599 */ 600 args.fname = arg0; 601 args.argv = uap; 602 args.envv = NULL; 603 604 /* 605 * Now try to exec the program. If can't for any reason 606 * other than it doesn't exist, complain. 607 * 608 * Otherwise, return via fork_trampoline() all the way 609 * to user mode as init! 610 * 611 * WARNING! We may have been moved to another cpu after 612 * acquiring the current user process designation. The 613 * MP lock will migrate with us though so we still have to 614 * release it. 615 */ 616 if ((error = sys_execve(&args)) == 0) { 617 rel_mplock(); 618 lp->lwp_proc->p_usched->acquire_curproc(lp); 619 return; 620 } 621 if (error != ENOENT) 622 kprintf("exec %.*s: error %d\n", (int)(next - path), 623 path, error); 624 } 625 kprintf("init: not found in path %s\n", init_path); 626 panic("no init"); 627 } 628 629 /* 630 * Like kthread_create(), but runs in it's own address space. 631 * We do this early to reserve pid 1. 632 * 633 * Note special case - do not make it runnable yet. Other work 634 * in progress will change this more. 635 */ 636 static void 637 create_init(const void *udata __unused) 638 { 639 int error; 640 struct lwp *lp; 641 642 crit_enter(); 643 error = fork1(&lwp0, RFFDG | RFPROC, &initproc); 644 if (error) 645 panic("cannot fork init: %d", error); 646 initproc->p_flag |= P_SYSTEM; 647 lp = ONLY_LWP_IN_PROC(initproc); 648 cpu_set_fork_handler(lp, start_init, NULL); 649 crit_exit(); 650 } 651 SYSINIT(init, SI_SUB_CREATE_INIT, SI_ORDER_FIRST, create_init, NULL) 652 653 /* 654 * Make it runnable now. 655 */ 656 static void 657 kick_init(const void *udata __unused) 658 { 659 start_forked_proc(&lwp0, initproc); 660 } 661 SYSINIT(kickinit, SI_SUB_KTHREAD_INIT, SI_ORDER_FIRST, kick_init, NULL) 662 663 /* 664 * Machine independant globaldata initialization 665 * 666 * WARNING! Called from early boot, 'mycpu' may not work yet. 667 */ 668 void 669 mi_gdinit(struct globaldata *gd, int cpuid) 670 { 671 TAILQ_INIT(&gd->gd_systimerq); 672 gd->gd_sysid_alloc = cpuid; /* prime low bits for cpu lookup */ 673 gd->gd_cpuid = cpuid; 674 gd->gd_cpumask = (cpumask_t)1 << cpuid; 675 lwkt_gdinit(gd); 676 vm_map_entry_reserve_cpu_init(gd); 677 sleep_gdinit(gd); 678 } 679 680