BSD 4_3 release

[unix-history] / usr / src / sys / sys / init_main.c

diff --git a/usr/src/sys/sys/init_main.c b/usr/src/sys/sys/init_main.c
index b244654..43ce6d5 100644 (file)
--- a/usr/src/sys/sys/init_main.c
+++ b/usr/src/sys/sys/init_main.c
@@ -1,32 +1,36 @@
-/*     init_main.c     6.1     83/07/29        */
+/*
+ * Copyright (c) 1982, 1986 Regents of the University of California.
+ * All rights reserved.  The Berkeley software License Agreement
+ * specifies the terms and conditions for redistribution.
+ *
+ *     @(#)init_main.c 7.1 (Berkeley) 6/5/86
+ */

 
 #include "../machine/pte.h"
 
 
 #include "../machine/pte.h"
 

-#include "../h/param.h"
-#include "../h/systm.h"
-#include "../h/dir.h"
-#include "../h/user.h"
-#include "../h/kernel.h"
-#include "../h/fs.h"
-#include "../h/mount.h"
-#include "../h/map.h"
-#include "../h/proc.h"
-#include "../h/inode.h"
-#include "../h/seg.h"
-#include "../h/conf.h"
-#include "../h/buf.h"
-#include "../h/vm.h"
-#include "../h/cmap.h"
-#include "../h/text.h"
-#include "../h/clist.h"
-#ifdef INET
-#include "../h/protosw.h"
-#endif
-#include "../h/quota.h"
+#include "param.h"
+#include "systm.h"
+#include "dir.h"
+#include "user.h"
+#include "kernel.h"
+#include "fs.h"
+#include "mount.h"
+#include "map.h"
+#include "proc.h"
+#include "inode.h"
+#include "seg.h"
+#include "conf.h"
+#include "buf.h"
+#include "vm.h"
+#include "cmap.h"
+#include "text.h"
+#include "clist.h"
+#include "protosw.h"
+#include "quota.h"

 #include "../machine/reg.h"
 #include "../machine/cpu.h"
 
 #include "../machine/reg.h"
 #include "../machine/cpu.h"
 

-extern struct user u;          /* have to declare it somewhere! */
+int    cmask = CMASK;

 /*
  * Initialization code.
  * Called from cold start routine as
 /*
  * Initialization code.
  * Called from cold start routine as


@@ -38,11 +42,8 @@ extern       struct user u;          /* have to declare it somewhere! */
  *     hand craft 0th process
  *     call all initialization routines
  *     fork - process 0 to schedule
  *     hand craft 0th process
  *     call all initialization routines
  *     fork - process 0 to schedule

- *          - process 2 to page out

  *          - process 1 execute bootstrap
  *          - process 1 execute bootstrap

- *
- * loop at loc 13 (0xd) in user mode -- /etc/init
- *     cannot be executed.
+ *          - process 2 to page out

  */
 main(firstaddr)
        int firstaddr;
  */
 main(firstaddr)
        int firstaddr;


@@ -68,18 +69,30 @@ main(firstaddr)
        p->p_nice = NZERO;
        setredzone(p->p_addr, (caddr_t)&u);
        u.u_procp = p;
        p->p_nice = NZERO;
        setredzone(p->p_addr, (caddr_t)&u);
        u.u_procp = p;

-       u.u_cmask = CMASK;
+#ifdef vax
+       /*
+        * These assume that the u. area is always mapped 
+        * to the same virtual address. Otherwise must be
+        * handled when copying the u. area in newproc().
+        */
+       u.u_nd.ni_iov = &u.u_nd.ni_iovec;
+       u.u_ap = u.u_arg;
+#endif
+       u.u_nd.ni_iovcnt = 1;
+       u.u_cmask = cmask;
+       u.u_lastfile = -1;

        for (i = 1; i < NGROUPS; i++)
                u.u_groups[i] = NOGROUP;
        for (i = 0; i < sizeof(u.u_rlimit)/sizeof(u.u_rlimit[0]); i++)
                u.u_rlimit[i].rlim_cur = u.u_rlimit[i].rlim_max = 
                    RLIM_INFINITY;
        for (i = 1; i < NGROUPS; i++)
                u.u_groups[i] = NOGROUP;
        for (i = 0; i < sizeof(u.u_rlimit)/sizeof(u.u_rlimit[0]); i++)
                u.u_rlimit[i].rlim_cur = u.u_rlimit[i].rlim_max = 
                    RLIM_INFINITY;

-       u.u_rlimit[RLIMIT_STACK].rlim_cur = 512*1024;
-       u.u_rlimit[RLIMIT_STACK].rlim_max = ctob(MAXDSIZ);
-       u.u_rlimit[RLIMIT_DATA].rlim_max =
-           u.u_rlimit[RLIMIT_DATA].rlim_cur = ctob(MAXDSIZ);
-       p->p_maxrss = RLIM_INFINITY/NBPG;
-#ifdef QUOTA
+       /*
+        * configure virtual memory system,
+        * set vm rlimits
+        */
+       vminit();
+
+#if defined(QUOTA)

        qtinit();
        p->p_quota = u.u_quota = getquota(0, 0, Q_NDQ);
 #endif
        qtinit();
        p->p_quota = u.u_quota = getquota(0, 0, Q_NDQ);
 #endif


@@ -93,8 +106,11 @@ main(firstaddr)
         * Initialize tables, protocols, and set up well-known inodes.
         */
        mbinit();
         * Initialize tables, protocols, and set up well-known inodes.
         */
        mbinit();

-       cinit();                        /* needed by dmc-11 driver */
-#ifdef INET
+       cinit();
+#include "sl.h"
+#if NSL > 0
+       slattach();                     /* XXX */
+#endif

 #if NLOOP > 0
        loattach();                     /* XXX */
 #endif
 #if NLOOP > 0
        loattach();                     /* XXX */
 #endif


@@ -104,15 +120,15 @@ main(firstaddr)
         */
        s = splimp();
        ifinit();
         */
        s = splimp();
        ifinit();

-#endif

        domaininit();
        domaininit();

-#ifdef INET

        splx(s);
        splx(s);

-#endif
+       pqinit();
+       xinit();

        ihinit();
        bhinit();
        binit();
        bswinit();
        ihinit();
        bhinit();
        binit();
        bswinit();

+       nchinit();

 #ifdef GPROF
        kmstartup();
 #endif
 #ifdef GPROF
        kmstartup();
 #endif


@@ -141,19 +157,27 @@ main(firstaddr)
        u.u_smap = zdmap;
 
        /*
        u.u_smap = zdmap;
 
        /*

-        * Set the scan rate and other parameters of the paging subsystem.
+        * make init process

         */
         */

-       setupclock();

 
 

+       proc[0].p_szpt = CLSIZE;
+       if (newproc(0)) {
+               expand(clrnd((int)btoc(szicode)), 0);
+               (void) swpexpand(u.u_dsize, (size_t)0, &u.u_dmap, &u.u_smap);
+               (void) copyout((caddr_t)icode, (caddr_t)0, (unsigned)szicode);
+               /*
+                * Return goes to loc. 0 of user init
+                * code just copied out.
+                */
+               return;
+       }

        /*
         * make page-out daemon (process 2)
         * the daemon has ctopt(nswbuf*CLSIZE*KLMAX) pages of page
         * table so that it can map dirty pages into
         * its address space during asychronous pushes.
         */
        /*
         * make page-out daemon (process 2)
         * the daemon has ctopt(nswbuf*CLSIZE*KLMAX) pages of page
         * table so that it can map dirty pages into
         * its address space during asychronous pushes.
         */

-       mpid = 1;

        proc[0].p_szpt = clrnd(ctopt(nswbuf*CLSIZE*KLMAX + UPAGES));
        proc[0].p_szpt = clrnd(ctopt(nswbuf*CLSIZE*KLMAX + UPAGES));

-       proc[1].p_stat = SZOMB;         /* force it to be in proc slot 2 */

        if (newproc(0)) {
                proc[2].p_flag |= SLOAD|SSYS;
                proc[2].p_dsize = u.u_dsize = nswbuf*CLSIZE*KLMAX; 
        if (newproc(0)) {
                proc[2].p_flag |= SLOAD|SSYS;
                proc[2].p_dsize = u.u_dsize = nswbuf*CLSIZE*KLMAX; 


@@ -162,23 +186,8 @@ main(firstaddr)
        }
 
        /*
        }
 
        /*

-        * make init process and

         * enter scheduling loop
         */
         * enter scheduling loop
         */

-
-       mpid = 0;
-       proc[1].p_stat = 0;
-       proc[0].p_szpt = CLSIZE;
-       if (newproc(0)) {
-               expand(clrnd((int)btoc(szicode)), 0);
-               (void) swpexpand(u.u_dsize, 0, &u.u_dmap, &u.u_smap);
-               (void) copyout((caddr_t)icode, (caddr_t)0, (unsigned)szicode);
-               /*
-                * Return goes to loc. 0 of user init
-                * code just copied out.
-                */
-               return;
-       }

        proc[0].p_szpt = 1;
        sched();
 }
        proc[0].p_szpt = 1;
        sched();
 }


@@ -242,7 +251,12 @@ binit()
        if (nswdev > 1)
                nswap = ((nswap + dmmax - 1) / dmmax) * dmmax;
        nswap *= nswdev;
        if (nswdev > 1)
                nswap = ((nswap + dmmax - 1) / dmmax) * dmmax;
        nswap *= nswdev;

-       maxpgio *= nswdev;
+       /*
+        * If there are multiple swap areas,
+        * allow more paging operations per second.
+        */
+       if (nswdev > 1)
+               maxpgio = (maxpgio * (2 * nswdev - 1)) / 2;

        swfree(0);
 }
 
        swfree(0);
 }