init_main.c (8af5d536ffbd13a97c1332dc307ebf3a8a64c6f4) init_main.c (4590fd3a2a5539b8a1ce2ad488707123c8b7c8c8)
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

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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
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

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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 * $Id: init_main.c,v 1.28 1995/08/29 23:59:22 bde Exp $
42 * $Id: init_main.c,v 1.29 1995/09/03 05:43:35 julian Exp $
43 */
44
45#include <sys/param.h>
46#include <sys/filedesc.h>
47#include <sys/errno.h>
48#include <sys/exec.h>
49#include <sys/kernel.h>
50#ifdef GPROF

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217/*
218 * Start a kernel process. This is called after a fork() call in
219 * main() in the file kern/init_main.c.
220 *
221 * This function is used to start "internal" daemons.
222 */
223/* ARGSUSED*/
224void
43 */
44
45#include <sys/param.h>
46#include <sys/filedesc.h>
47#include <sys/errno.h>
48#include <sys/exec.h>
49#include <sys/kernel.h>
50#ifdef GPROF

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217/*
218 * Start a kernel process. This is called after a fork() call in
219 * main() in the file kern/init_main.c.
220 *
221 * This function is used to start "internal" daemons.
222 */
223/* ARGSUSED*/
224void
225kproc_start( udata)
226caddr_t udata; /* pointer to a 'kproc_desc' ? */
225kproc_start(udata)
226 void *udata; /* pointer to a 'kproc_desc' ? */
227{
228 struct kproc_desc *kp = (struct kproc_desc *)udata;
229 struct proc *p = curproc;
230
231 /* save a global descriptor, if desired*/
232 if( kp->global_procpp != NULL)
233 *kp->global_procpp = p;
234

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267 */
268#ifdef HPFPLIB
269char copyright[] =
270"Copyright (c) 1982, 1986, 1989, 1991, 1993\n\tThe Regents of the University of California.\nCopyright (c) 1992 Hewlett-Packard Company\nCopyright (c) 1992 Motorola Inc.\nAll rights reserved.\n\n";
271#else
272char copyright[] =
273"Copyright (c) 1982, 1986, 1989, 1991, 1993\n\tThe Regents of the University of California. All rights reserved.\n\n";
274#endif
227{
228 struct kproc_desc *kp = (struct kproc_desc *)udata;
229 struct proc *p = curproc;
230
231 /* save a global descriptor, if desired*/
232 if( kp->global_procpp != NULL)
233 *kp->global_procpp = p;
234

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267 */
268#ifdef HPFPLIB
269char copyright[] =
270"Copyright (c) 1982, 1986, 1989, 1991, 1993\n\tThe Regents of the University of California.\nCopyright (c) 1992 Hewlett-Packard Company\nCopyright (c) 1992 Motorola Inc.\nAll rights reserved.\n\n";
271#else
272char copyright[] =
273"Copyright (c) 1982, 1986, 1989, 1991, 1993\n\tThe Regents of the University of California. All rights reserved.\n\n";
274#endif
275static void print_caddr_t __P((caddr_t data));
275static void print_caddr_t __P((void *data));
276static void
277print_caddr_t(data)
276static void
277print_caddr_t(data)
278 caddr_t data;
278 void *data;
279{
280 printf("%s", (char *)data);
281}
282SYSINIT(announce, SI_SUB_COPYRIGHT, SI_ORDER_FIRST, print_caddr_t,
279{
280 printf("%s", (char *)data);
281}
282SYSINIT(announce, SI_SUB_COPYRIGHT, SI_ORDER_FIRST, print_caddr_t,
283 (caddr_t)copyright)
283 copyright)
284
285
286/*
287 ***************************************************************************
288 ****
289 **** The two following SYSINT's are proc0 specific glue code. I am not
290 **** convinced that they can not be safely combined, but their order of
291 **** operation has been maintained as the same as the original init_main.c
292 **** for right now.
293 ****
294 **** These probably belong in init_proc.c or kern_proc.c, since they
295 **** deal with proc0 (the fork template process).
296 ****
297 ***************************************************************************
298 */
299/* ARGSUSED*/
284
285
286/*
287 ***************************************************************************
288 ****
289 **** The two following SYSINT's are proc0 specific glue code. I am not
290 **** convinced that they can not be safely combined, but their order of
291 **** operation has been maintained as the same as the original init_main.c
292 **** for right now.
293 ****
294 **** These probably belong in init_proc.c or kern_proc.c, since they
295 **** deal with proc0 (the fork template process).
296 ****
297 ***************************************************************************
298 */
299/* ARGSUSED*/
300void proc0_init __P((caddr_t udata));
300void proc0_init __P((void *udata));
301void
301void
302proc0_init( udata)
303caddr_t udata; /* not used*/
302proc0_init(udata)
303 void *udata; /* not used*/
304{
305 register struct proc *p;
306 register struct filedesc0 *fdp;
307 register int i;
308
309 /*
310 * Initialize the current process pointer (curproc) before
311 * any possible traps/probes to simplify trap processing.

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395 * root for one process.
396 */
397 usrinfoinit();
398 (void)chgproccnt(0, 1);
399}
400SYSINIT(p0init, SI_SUB_INTRINSIC, SI_ORDER_FIRST, proc0_init, NULL)
401
402/* ARGSUSED*/
304{
305 register struct proc *p;
306 register struct filedesc0 *fdp;
307 register int i;
308
309 /*
310 * Initialize the current process pointer (curproc) before
311 * any possible traps/probes to simplify trap processing.

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395 * root for one process.
396 */
397 usrinfoinit();
398 (void)chgproccnt(0, 1);
399}
400SYSINIT(p0init, SI_SUB_INTRINSIC, SI_ORDER_FIRST, proc0_init, NULL)
401
402/* ARGSUSED*/
403void proc0_post __P((caddr_t udata));
403void proc0_post __P((void *udata));
404void
404void
405proc0_post( udata)
406caddr_t udata; /* not used*/
405proc0_post(udata)
406 void *udata; /* not used*/
407{
408 /*
409 * Now can look at time, having had a chance to verify the time
410 * from the file system. Reset p->p_rtime as it may have been
411 * munched in mi_switch() after the time got set.
412 */
413 proc0.p_stats->p_start = runtime = mono_time = boottime = time;
414 proc0.p_rtime.tv_sec = proc0.p_rtime.tv_usec = 0;

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425 ***************************************************************************
426 ****
427 **** The following SYSINIT's and glue code should be moved to the
428 **** respective files on a per subsystem basis.
429 ****
430 ***************************************************************************
431 */
432/* ARGSUSED*/
407{
408 /*
409 * Now can look at time, having had a chance to verify the time
410 * from the file system. Reset p->p_rtime as it may have been
411 * munched in mi_switch() after the time got set.
412 */
413 proc0.p_stats->p_start = runtime = mono_time = boottime = time;
414 proc0.p_rtime.tv_sec = proc0.p_rtime.tv_usec = 0;

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425 ***************************************************************************
426 ****
427 **** The following SYSINIT's and glue code should be moved to the
428 **** respective files on a per subsystem basis.
429 ****
430 ***************************************************************************
431 */
432/* ARGSUSED*/
433void sched_setup __P((caddr_t udata));
433void sched_setup __P((void *udata));
434void
434void
435sched_setup( udata)
436caddr_t udata; /* not used*/
435sched_setup(udata)
436 void *udata; /* not used*/
437{
438 /* Kick off timeout driven events by calling first time. */
439 roundrobin(NULL);
440 schedcpu(NULL);
441}
442SYSINIT(sched_setup, SI_SUB_KICK_SCHEDULER, SI_ORDER_FIRST, sched_setup, NULL)
443
444/* ARGSUSED*/
437{
438 /* Kick off timeout driven events by calling first time. */
439 roundrobin(NULL);
440 schedcpu(NULL);
441}
442SYSINIT(sched_setup, SI_SUB_KICK_SCHEDULER, SI_ORDER_FIRST, sched_setup, NULL)
443
444/* ARGSUSED*/
445void xxx_vfs_mountroot __P((caddr_t udata));
445void xxx_vfs_mountroot __P((void *udata));
446void
446void
447xxx_vfs_mountroot( udata)
448caddr_t udata; /* not used*/
447xxx_vfs_mountroot(udata)
448 void *udata; /* not used*/
449{
450 /* Mount the root file system. */
449{
450 /* Mount the root file system. */
451 if ((*mountroot)( (caddr_t)mountrootvfsops))
451 if ((*mountroot)(mountrootvfsops))
452 panic("cannot mount root");
453}
454SYSINIT(mountroot, SI_SUB_ROOT, SI_ORDER_FIRST, xxx_vfs_mountroot, NULL)
455
456/* ARGSUSED*/
452 panic("cannot mount root");
453}
454SYSINIT(mountroot, SI_SUB_ROOT, SI_ORDER_FIRST, xxx_vfs_mountroot, NULL)
455
456/* ARGSUSED*/
457void xxx_vfs_root_fdtab __P((caddr_t udata));
457void xxx_vfs_root_fdtab __P((void *udata));
458void
458void
459xxx_vfs_root_fdtab( udata)
460caddr_t udata; /* not used*/
459xxx_vfs_root_fdtab(udata)
460 void *udata; /* not used*/
461{
462 register struct filedesc0 *fdp = &filedesc0;
463
464 /* Get the vnode for '/'. Set fdp->fd_fd.fd_cdir to reference it. */
465 if (VFS_ROOT(mountlist.cqh_first, &rootvnode))
466 panic("cannot find root vnode");
467 fdp->fd_fd.fd_cdir = rootvnode;
468 VREF(fdp->fd_fd.fd_cdir);

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480 ****
481 **** 1) This code returns to startup the system; this is
482 **** abnormal for a kernel thread.
483 **** 2) This code promiscuously uses init_frame
484 ****
485 ***************************************************************************
486 */
487
461{
462 register struct filedesc0 *fdp = &filedesc0;
463
464 /* Get the vnode for '/'. Set fdp->fd_fd.fd_cdir to reference it. */
465 if (VFS_ROOT(mountlist.cqh_first, &rootvnode))
466 panic("cannot find root vnode");
467 fdp->fd_fd.fd_cdir = rootvnode;
468 VREF(fdp->fd_fd.fd_cdir);

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480 ****
481 **** 1) This code returns to startup the system; this is
482 **** abnormal for a kernel thread.
483 **** 2) This code promiscuously uses init_frame
484 ****
485 ***************************************************************************
486 */
487
488static void kthread_init __P(( caddr_t udata));
488static void kthread_init __P((void *udata));
489SYSINIT_KT(init,SI_SUB_KTHREAD_INIT, SI_ORDER_FIRST, kthread_init, NULL)
490
491
492static void start_init __P((struct proc *p, void *framep));
493
494/* ARGSUSED*/
495static void
489SYSINIT_KT(init,SI_SUB_KTHREAD_INIT, SI_ORDER_FIRST, kthread_init, NULL)
490
491
492static void start_init __P((struct proc *p, void *framep));
493
494/* ARGSUSED*/
495static void
496kthread_init( udata)
497caddr_t udata; /* not used*/
496kthread_init(udata)
497 void *udata; /* not used*/
498{
499
500 /* Create process 1 (init(8)). */
501 start_init(curproc, init_framep);
502
503 /*
504 * This is the only kernel thread allowed to return yo the
505 * caller!!!

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499
500 /* Create process 1 (init(8)). */
501 start_init(curproc, init_framep);
502
503 /*
504 * This is the only kernel thread allowed to return yo the
505 * caller!!!

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