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[dragonfly.git] / sys / kern / init_main.c
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1 /*
2 * Copyright (c) 1995 Terrence R. Lambert
3 * All rights reserved.
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.
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. Neither the name of the University nor the names of its contributors
22 * may be used to endorse or promote products derived from this software
23 * without specific prior written permission.
25 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
28 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
29 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
31 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35 * SUCH DAMAGE.
37 * @(#)init_main.c 8.9 (Berkeley) 1/21/94
38 * $FreeBSD: src/sys/kern/init_main.c,v 1.134.2.8 2003/06/06 20:21:32 tegge Exp $
41 #include "opt_init_path.h"
43 #include <sys/param.h>
44 #include <sys/file.h>
45 #include <sys/filedesc.h>
46 #include <sys/kernel.h>
47 #include <sys/mount.h>
48 #include <sys/sysctl.h>
49 #include <sys/proc.h>
50 #include <sys/resourcevar.h>
51 #include <sys/signalvar.h>
52 #include <sys/systm.h>
53 #include <sys/vnode.h>
54 #include <sys/sysent.h>
55 #include <sys/reboot.h>
56 #include <sys/sysproto.h>
57 #include <sys/vmmeter.h>
58 #include <sys/unistd.h>
59 #include <sys/malloc.h>
60 #include <sys/machintr.h>
62 #include <sys/refcount.h>
63 #include <sys/file2.h>
64 #include <sys/thread2.h>
65 #include <sys/spinlock2.h>
67 #include <machine/cpu.h>
69 #include <vm/vm.h>
70 #include <vm/vm_param.h>
71 #include <sys/lock.h>
72 #include <vm/pmap.h>
73 #include <vm/vm_map.h>
74 #include <vm/vm_extern.h>
75 #include <sys/user.h>
76 #include <sys/copyright.h>
78 int vfs_mountroot_devfs(void);
80 /* Components of the first process -- never freed. */
81 static struct session session0;
82 static struct pgrp pgrp0;
83 static struct sigacts sigacts0;
84 static struct filedesc filedesc0;
85 static struct plimit limit0;
86 static struct vmspace vmspace0;
87 struct proc *initproc;
88 struct proc proc0;
89 struct lwp lwp0;
90 struct thread thread0;
91 struct sys_kpmap *kpmap;
92 struct sysreaper initreaper;
94 int cmask = CMASK;
95 u_int cpu_mi_feature;
96 cpumask_t usched_global_cpumask;
97 extern struct user *proc0paddr;
99 int boothowto = 0; /* initialized so that it can be patched */
100 SYSCTL_INT(_debug, OID_AUTO, boothowto, CTLFLAG_RD, &boothowto, 0,
101 "Reboot flags, from console subsystem");
102 SYSCTL_OPAQUE(_kern, OID_AUTO, usched_global_cpumask, CTLFLAG_RW,
103 &usched_global_cpumask, sizeof(usched_global_cpumask), "LU",
104 "global user scheduler cpumask");
107 * This ensures that there is at least one entry so that the sysinit_set
108 * symbol is not undefined. A subsystem ID of SI_SPECIAL_DUMMY is never
109 * executed.
111 SYSINIT(placeholder, SI_SPECIAL_DUMMY, SI_ORDER_ANY, NULL, NULL);
114 * The sysinit table itself. Items are checked off as the are run.
115 * If we want to register new sysinit types, add them to newsysinit.
117 SET_DECLARE(sysinit_set, struct sysinit);
118 struct sysinit **sysinit, **sysinit_end;
119 struct sysinit **newsysinit, **newsysinit_end;
123 * Merge a new sysinit set into the current set, reallocating it if
124 * necessary. This can only be called after malloc is running.
126 void
127 sysinit_add(struct sysinit **set, struct sysinit **set_end)
129 struct sysinit **newset;
130 struct sysinit **sipp;
131 struct sysinit **xipp;
132 int count;
134 count = set_end - set;
135 if (newsysinit)
136 count += newsysinit_end - newsysinit;
137 else
138 count += sysinit_end - sysinit;
139 newset = kmalloc(count * sizeof(*sipp), M_TEMP, M_WAITOK);
140 xipp = newset;
141 if (newsysinit) {
142 for (sipp = newsysinit; sipp < newsysinit_end; sipp++)
143 *xipp++ = *sipp;
144 } else {
145 for (sipp = sysinit; sipp < sysinit_end; sipp++)
146 *xipp++ = *sipp;
148 for (sipp = set; sipp < set_end; sipp++)
149 *xipp++ = *sipp;
150 if (newsysinit)
151 kfree(newsysinit, M_TEMP);
152 newsysinit = newset;
153 newsysinit_end = newset + count;
157 * Callbacks from machine-dependant startup code (e.g. init386) to set
158 * up low level entities related to cpu #0's globaldata.
160 * Called from very low level boot code.
162 void
163 mi_proc0init(struct globaldata *gd, struct user *proc0paddr)
165 lwkt_init_thread(&thread0, proc0paddr, LWKT_THREAD_STACK, 0, gd);
166 lwkt_set_comm(&thread0, "thread0");
167 RB_INIT(&proc0.p_lwp_tree);
168 spin_init(&proc0.p_spin, "iproc_proc0");
169 lwkt_token_init(&proc0.p_token, "iproc");
170 lwp0.lwp_tid = 1;
171 proc0.p_lasttid = lwp0.lwp_tid; /* +1 = next TID */
172 lwp_rb_tree_RB_INSERT(&proc0.p_lwp_tree, &lwp0);
173 lwp0.lwp_thread = &thread0;
174 lwp0.lwp_proc = &proc0;
175 proc0.p_usched = usched_init();
176 CPUMASK_ASSALLONES(lwp0.lwp_cpumask);
177 lwkt_token_init(&lwp0.lwp_token, "lwp_token");
178 spin_init(&lwp0.lwp_spin, "iproc_lwp0");
179 varsymset_init(&proc0.p_varsymset, NULL);
180 thread0.td_flags |= TDF_RUNNING;
181 thread0.td_proc = &proc0;
182 thread0.td_lwp = &lwp0;
183 thread0.td_switch = cpu_lwkt_switch;
184 lwkt_schedule_self(curthread);
188 * System startup; initialize the world, create process 0, mount root
189 * filesystem, and fork to create init and pagedaemon. Most of the
190 * hard work is done in the lower-level initialization routines including
191 * startup(), which does memory initialization and autoconfiguration.
193 * This allows simple addition of new kernel subsystems that require
194 * boot time initialization. It also allows substitution of subsystem
195 * (for instance, a scheduler, kernel profiler, or VM system) by object
196 * module. Finally, it allows for optional "kernel threads".
198 void
199 mi_startup(void)
201 struct sysinit *sip; /* system initialization*/
202 struct sysinit **sipp; /* system initialization*/
203 struct sysinit **xipp; /* interior loop of sort*/
204 struct sysinit *save; /* bubble*/
206 if (sysinit == NULL) {
207 sysinit = SET_BEGIN(sysinit_set);
208 #if defined(__x86_64__) && defined(_KERNEL_VIRTUAL)
210 * XXX For whatever reason, on 64-bit vkernels
211 * the value of sysinit obtained from the
212 * linker set is wrong.
214 if ((long)sysinit % 8 != 0) {
215 kprintf("Fixing sysinit value...\n");
216 sysinit = (void *)((long)(intptr_t)sysinit + 4);
218 #endif
219 sysinit_end = SET_LIMIT(sysinit_set);
221 #if defined(__x86_64__) && defined(_KERNEL_VIRTUAL)
222 KKASSERT((long)sysinit % 8 == 0);
223 #endif
225 restart:
227 * Perform a bubble sort of the system initialization objects by
228 * their subsystem (primary key) and order (secondary key).
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;
243 * Traverse the (now) ordered list of system initialization tasks.
244 * Perform each task, and continue on to the next task.
246 * The last item on the list is expected to be the scheduler,
247 * which will not return.
249 for (sipp = sysinit; sipp < sysinit_end; sipp++) {
250 sip = *sipp;
251 if (sip->subsystem == SI_SPECIAL_DUMMY)
252 continue; /* skip dummy task(s)*/
254 if (sip->subsystem == SI_SPECIAL_DONE)
255 continue;
257 #if 0
258 if (bootverbose)
259 kprintf("(%08x-%p)\n", sip->subsystem, sip->func);
260 #endif
262 /* Call function */
263 (*(sip->func))(sip->udata);
265 /* Check off the one we're just done */
266 sip->subsystem = SI_SPECIAL_DONE;
268 /* Check if we've installed more sysinit items via KLD */
269 if (newsysinit != NULL) {
270 if (sysinit != SET_BEGIN(sysinit_set))
271 kfree(sysinit, M_TEMP);
272 sysinit = newsysinit;
273 sysinit_end = newsysinit_end;
274 newsysinit = NULL;
275 newsysinit_end = NULL;
276 goto restart;
280 panic("Shouldn't get here!");
281 /* NOTREACHED*/
286 ***************************************************************************
287 ****
288 **** The following SYSINIT's belong elsewhere, but have not yet
289 **** been moved.
290 ****
291 ***************************************************************************
293 static void
294 print_caddr_t(void *data)
296 kprintf("%s", (char *)data);
298 SYSINIT(announce, SI_BOOT1_COPYRIGHT, SI_ORDER_FIRST, print_caddr_t, copyright);
301 * Leave the critical section that protected us from spurious interrupts
302 * so device probes work.
304 static void
305 leavecrit(void *dummy __unused)
307 MachIntrABI.stabilize();
308 cpu_enable_intr();
309 MachIntrABI.cleanup();
310 crit_exit();
311 KKASSERT(!IN_CRITICAL_SECT(curthread));
313 if (bootverbose)
314 kprintf("Leaving critical section, allowing interrupts\n");
316 SYSINIT(leavecrit, SI_BOOT2_LEAVE_CRIT, SI_ORDER_ANY, leavecrit, NULL);
319 * This is called after the threading system is up and running,
320 * including the softclock, clock interrupts, and SMP.
322 static void
323 tsleepworks(void *dummy __unused)
325 tsleep_now_works = 1;
327 SYSINIT(tsleepworks, SI_BOOT2_FINISH_SMP, SI_ORDER_SECOND, tsleepworks, NULL);
330 * This is called after devices have configured. Tell the kernel we are
331 * no longer in cold boot.
333 static void
334 endofcoldboot(void *dummy __unused)
336 cold = 0;
338 SYSINIT(endofcoldboot, SI_SUB_ISWARM, SI_ORDER_ANY, endofcoldboot, NULL);
341 ***************************************************************************
342 ****
343 **** The two following SYSINT's are proc0 specific glue code. I am not
344 **** convinced that they can not be safely combined, but their order of
345 **** operation has been maintained as the same as the original init_main.c
346 **** for right now.
347 ****
348 **** These probably belong in init_proc.c or kern_proc.c, since they
349 **** deal with proc0 (the fork template process).
350 ****
351 ***************************************************************************
353 /* ARGSUSED*/
354 static void
355 proc0_init(void *dummy __unused)
357 struct proc *p;
358 struct lwp *lp;
359 struct uidinfo *uip;
361 p = &proc0;
362 lp = &lwp0;
365 * Initialize osrel
367 p->p_osrel = osreldate;
370 * Initialize process and pgrp structures.
372 procinit();
375 * additional VM structures
377 vm_init2();
380 * Create process 0 (the swapper).
382 procinsertinit(p);
383 pgrpinsertinit(&pgrp0);
384 LIST_INIT(&pgrp0.pg_members);
385 lwkt_token_init(&pgrp0.pg_token, "pgrp0");
386 refcount_init(&pgrp0.pg_refs, 1);
387 lockinit(&pgrp0.pg_lock, "pgwt0", 0, 0);
388 LIST_INSERT_HEAD(&pgrp0.pg_members, p, p_pglist);
390 pgrp0.pg_session = &session0;
391 session0.s_count = 1;
392 session0.s_leader = p;
393 sessinsertinit(&session0);
395 pgref(&pgrp0);
396 p->p_pgrp = &pgrp0;
398 p->p_sysent = &aout_sysvec;
400 p->p_flags = P_SYSTEM;
401 p->p_stat = SACTIVE;
402 lp->lwp_stat = LSRUN;
403 p->p_nice = NZERO;
404 p->p_rtprio.type = RTP_PRIO_NORMAL;
405 p->p_rtprio.prio = 0;
406 lp->lwp_rtprio = p->p_rtprio;
408 p->p_peers = NULL;
409 p->p_leader = p;
411 bcopy("swapper", p->p_comm, sizeof ("swapper"));
412 bcopy("swapper", thread0.td_comm, sizeof ("swapper"));
414 /* Create credentials. */
415 uip = uicreate(0); /* for cr_ruidinfo */
416 uihold(uip); /* for cr_uidinfo */
417 p->p_ucred = crget();
418 p->p_ucred->cr_ruidinfo = uip;
419 p->p_ucred->cr_uidinfo = uip;
420 p->p_ucred->cr_ngroups = 1; /* group 0 */
421 thread0.td_ucred = crhold(p->p_ucred); /* bootstrap fork1() */
423 /* Don't jail it */
424 p->p_ucred->cr_prison = NULL;
426 /* Create sigacts. */
427 p->p_sigacts = &sigacts0;
428 refcount_init(&p->p_sigacts->ps_refcnt, 1);
430 /* Initialize signal state for process 0. */
431 siginit(p);
433 /* Create the file descriptor table. */
434 fdinit_bootstrap(p, &filedesc0, cmask);
436 /* Create the limits structures. */
437 plimit_init0(&limit0);
438 p->p_limit = &limit0;
440 /* Allocate a prototype map so we have something to fork. */
441 pmap_pinit0(vmspace_pmap(&vmspace0));
442 p->p_vmspace = &vmspace0;
443 lp->lwp_vmspace = p->p_vmspace;
444 vmspace_initrefs(&vmspace0);
445 vm_map_init(&vmspace0.vm_map,
446 round_page(VM_MIN_USER_ADDRESS),
447 trunc_page(VM_MAX_USER_ADDRESS),
448 vmspace_pmap(&vmspace0));
450 kqueue_init(&lwp0.lwp_kqueue, &filedesc0);
453 * Charge root for one process.
455 (void)chgproccnt(p->p_ucred->cr_uidinfo, 1, 0);
456 vm_init_limits(p);
458 SYSINIT(p0init, SI_BOOT2_PROC0, SI_ORDER_FIRST, proc0_init, NULL);
460 static int proc0_post_callback(struct proc *p, void *data __unused);
462 /* ARGSUSED*/
463 static void
464 proc0_post(void *dummy __unused)
466 struct timespec ts;
469 * Now we can look at the time, having had a chance to verify the
470 * time from the file system. Pretend that proc0 started now.
472 allproc_scan(proc0_post_callback, NULL, 0);
475 * Give the ``random'' number generator a thump.
476 * XXX: Does read_random() contain enough bits to be used here ?
478 nanotime(&ts);
479 skrandom(ts.tv_sec ^ ts.tv_nsec);
482 static int
483 proc0_post_callback(struct proc *p, void *data __unused)
485 microtime(&p->p_start);
486 return(0);
489 SYSINIT(p0post, SI_SUB_PROC0_POST, SI_ORDER_FIRST, proc0_post, NULL);
492 ***************************************************************************
493 ****
494 **** The following SYSINIT's and glue code should be moved to the
495 **** respective files on a per subsystem basis.
496 ****
497 ***************************************************************************
502 ***************************************************************************
503 ****
504 **** The following code probably belongs in another file, like
505 **** kern/init_init.c.
506 ****
507 ***************************************************************************
511 * List of paths to try when searching for "init".
513 static char init_path[MAXPATHLEN] =
514 #ifdef INIT_PATH
515 __XSTRING(INIT_PATH);
516 #else
517 "/sbin/init:/sbin/oinit:/sbin/init.bak";
518 #endif
519 SYSCTL_STRING(_kern, OID_AUTO, init_path, CTLFLAG_RD, init_path, 0, "");
522 * Shutdown timeout of init(8).
523 * Unused within kernel, but used to control init(8), hence do not remove.
525 #ifndef INIT_SHUTDOWN_TIMEOUT
526 #define INIT_SHUTDOWN_TIMEOUT 120
527 #endif
528 static int init_shutdown_timeout = INIT_SHUTDOWN_TIMEOUT;
529 SYSCTL_INT(_kern, OID_AUTO, init_shutdown_timeout,
530 CTLFLAG_RW, &init_shutdown_timeout, 0, "Shutdown timeout of init(8). "
531 "Unused within kernel, but used to control init(8)");
534 * Start the initial user process; try exec'ing each pathname in init_path.
535 * The program is invoked with one argument containing the boot flags.
537 static void
538 start_init(void *dummy, struct trapframe *frame)
540 vm_offset_t addr;
541 struct execve_args args;
542 int options, error;
543 char *var, *path, *next, *s;
544 char *ucp, **uap, *arg0, *arg1;
545 struct proc *p;
546 struct lwp *lp;
547 struct mount *mp;
548 struct vnode *vp;
549 char *env;
552 * This is passed in by the bootloader
554 env = kgetenv("kernelname");
555 if (env != NULL)
556 strlcpy(kernelname, env, sizeof(kernelname));
558 p = curproc;
560 lp = ONLY_LWP_IN_PROC(p);
562 /* Get the vnode for '/'. Set p->p_fd->fd_cdir to reference it. */
563 mp = mountlist_boot_getfirst();
564 if (VFS_ROOT(mp, &vp))
565 panic("cannot find root vnode");
566 if (mp->mnt_ncmountpt.ncp == NULL) {
567 cache_allocroot(&mp->mnt_ncmountpt, mp, vp);
568 cache_unlock(&mp->mnt_ncmountpt); /* leave ref intact */
570 p->p_fd->fd_cdir = vp;
571 vref(p->p_fd->fd_cdir);
572 p->p_fd->fd_rdir = vp;
573 vref(p->p_fd->fd_rdir);
574 vfs_cache_setroot(vp, cache_hold(&mp->mnt_ncmountpt));
575 vn_unlock(vp); /* leave ref intact */
576 cache_copy(&mp->mnt_ncmountpt, &p->p_fd->fd_ncdir);
577 cache_copy(&mp->mnt_ncmountpt, &p->p_fd->fd_nrdir);
579 kprintf("Mounting devfs\n");
580 vfs_mountroot_devfs();
583 * Need just enough stack to hold the faked-up "execve()" arguments.
585 addr = trunc_page(USRSTACK - PAGE_SIZE);
586 error = vm_map_find(&p->p_vmspace->vm_map, NULL, NULL,
587 0, &addr, PAGE_SIZE,
588 PAGE_SIZE, FALSE,
589 VM_MAPTYPE_NORMAL, VM_SUBSYS_INIT,
590 VM_PROT_ALL, VM_PROT_ALL, 0);
591 if (error)
592 panic("init: couldn't allocate argument space");
593 p->p_vmspace->vm_maxsaddr = (caddr_t)addr;
594 p->p_vmspace->vm_ssize = 1;
596 if ((var = kgetenv("init_path")) != NULL) {
597 strncpy(init_path, var, sizeof init_path);
598 init_path[sizeof init_path - 1] = 0;
601 for (path = init_path; *path != '\0'; path = next) {
602 while (*path == ':')
603 path++;
604 if (*path == '\0')
605 break;
606 for (next = path; *next != '\0' && *next != ':'; next++)
607 /* nothing */ ;
608 if (bootverbose)
609 kprintf("start_init: trying %.*s\n", (int)(next - path),
610 path);
613 * Move out the boot flag argument.
615 options = 0;
616 ucp = (char *)USRSTACK;
617 (void)subyte(--ucp, 0); /* trailing zero */
618 if (boothowto & RB_SINGLE) {
619 (void)subyte(--ucp, 's');
620 options = 1;
622 #ifdef notyet
623 if (boothowto & RB_FASTBOOT) {
624 (void)subyte(--ucp, 'f');
625 options = 1;
627 #endif
629 #ifdef BOOTCDROM
630 (void)subyte(--ucp, 'C');
631 options = 1;
632 #endif
633 if (options == 0)
634 (void)subyte(--ucp, '-');
635 (void)subyte(--ucp, '-'); /* leading hyphen */
636 arg1 = ucp;
639 * Move out the file name (also arg 0).
641 (void)subyte(--ucp, 0);
642 for (s = next - 1; s >= path; s--)
643 (void)subyte(--ucp, *s);
644 arg0 = ucp;
647 * Move out the arg pointers.
649 uap = (char **)((intptr_t)ucp & ~(sizeof(intptr_t)-1));
651 /* terminator */
652 suword64((uint64_t *)(caddr_t)--uap, (uint64_t)0);
654 suword64((uint64_t *)(caddr_t)--uap, (uint64_t)(intptr_t)arg1);
655 suword64((uint64_t *)(caddr_t)--uap, (uint64_t)(intptr_t)arg0);
658 * Point at the arguments.
660 args.fname = arg0;
661 args.argv = uap;
662 args.envv = NULL;
665 * Now try to exec the program. If can't for any reason
666 * other than it doesn't exist, complain.
668 * Otherwise, return via fork_trampoline() all the way
669 * to user mode as init!
671 * WARNING! We may have been moved to another cpu after
672 * acquiring the current user process designation. The
673 * MP lock will migrate with us though so we still have to
674 * release it.
676 if ((error = sys_execve(&args)) == 0) {
677 lp->lwp_proc->p_usched->acquire_curproc(lp);
678 return;
680 if (error != ENOENT)
681 kprintf("exec %.*s: error %d\n", (int)(next - path),
682 path, error);
684 kprintf("init: not found in path %s\n", init_path);
685 panic("no init");
689 * Like kthread_create(), but runs in it's own address space.
690 * We do this early to reserve pid 1.
692 * Note special case - do not make it runnable yet. Other work
693 * in progress will change this more.
695 static void
696 create_init(const void *udata __unused)
698 int error;
699 struct lwp *lp;
701 crit_enter();
702 error = fork1(&lwp0, RFFDG | RFPROC, &initproc);
703 if (error)
704 panic("cannot fork init: %d", error);
705 initproc->p_flags |= P_SYSTEM;
706 reaper_init(initproc, &initreaper);
707 lp = ONLY_LWP_IN_PROC(initproc);
708 cpu_set_fork_handler(lp, start_init, NULL);
709 crit_exit();
711 SYSINIT(init, SI_SUB_CREATE_INIT, SI_ORDER_FIRST, create_init, NULL);
714 * Make it runnable now.
716 static void
717 kick_init(const void *udata __unused)
719 start_forked_proc(&lwp0, initproc);
721 SYSINIT(kickinit, SI_SUB_KTHREAD_INIT, SI_ORDER_FIRST, kick_init, NULL);
723 static void
724 kpmap_init(const void *udata __unused)
726 kpmap = kmalloc(roundup2(sizeof(*kpmap), PAGE_SIZE),
727 M_TEMP, M_ZERO | M_WAITOK);
729 kpmap->header[0].type = UKPTYPE_VERSION;
730 kpmap->header[0].offset = offsetof(struct sys_kpmap, version);
731 kpmap->header[1].type = KPTYPE_UPTICKS;
732 kpmap->header[1].offset = offsetof(struct sys_kpmap, upticks);
733 kpmap->header[2].type = KPTYPE_TS_UPTIME;
734 kpmap->header[2].offset = offsetof(struct sys_kpmap, ts_uptime);
735 kpmap->header[3].type = KPTYPE_TS_REALTIME;
736 kpmap->header[3].offset = offsetof(struct sys_kpmap, ts_realtime);
737 kpmap->header[4].type = KPTYPE_TSC_FREQ;
738 kpmap->header[4].offset = offsetof(struct sys_kpmap, tsc_freq);
739 kpmap->header[5].type = KPTYPE_TICK_FREQ;
740 kpmap->header[5].offset = offsetof(struct sys_kpmap, tick_freq);
741 kpmap->version = KPMAP_VERSION;
743 SYSINIT(kpmapinit, SI_BOOT1_POST, SI_ORDER_FIRST, kpmap_init, NULL);
746 * Machine independant globaldata initialization
748 * WARNING! Called from early boot, 'mycpu' may not work yet.
750 void
751 mi_gdinit(struct globaldata *gd, int cpuid)
753 TAILQ_INIT(&gd->gd_systimerq);
754 gd->gd_sysid_alloc = cpuid; /* prime low bits for cpu lookup */
755 gd->gd_cpuid = cpuid;
756 CPUMASK_ASSBIT(gd->gd_cpumask, cpuid);
757 gd->gd_cpumask_simple = CPUMASK_SIMPLE(cpuid);
758 gd->gd_cpumask_offset = (uintptr_t)CPUMASK_ADDR(*(cpumask_t *)0, cpuid);
759 lwkt_gdinit(gd);
760 vm_map_entry_reserve_cpu_init(gd);
761 if (gd->gd_cpuid == 0)
762 sleep_early_gdinit(gd);
763 else
764 sleep_gdinit(gd);
765 slab_gdinit(gd);
766 ATOMIC_CPUMASK_ORBIT(usched_global_cpumask, cpuid);
767 gd->gd_vmstats = vmstats;