sys/vm/vm_init.c

   1 /*
   2  * (MPSAFE)
   3  *
   4  * Copyright (c) 1991, 1993
   5  *      The Regents of the University of California.  All rights reserved.
   6  *
   7  * This code is derived from software contributed to Berkeley by
   8  * The Mach Operating System project at Carnegie-Mellon University.
   9  *
  10  * Redistribution and use in source and binary forms, with or without
  11  * modification, are permitted provided that the following conditions
  12  * are met:
  13  * 1. Redistributions of source code must retain the above copyright
  14  *    notice, this list of conditions and the following disclaimer.
  15  * 2. Redistributions in binary form must reproduce the above copyright
  16  *    notice, this list of conditions and the following disclaimer in the
  17  *    documentation and/or other materials provided with the distribution.
  18  * 3. All advertising materials mentioning features or use of this software
  19  *    must display the following acknowledgement:
  20  *      This product includes software developed by the University of
  21  *      California, Berkeley and its contributors.
  22  * 4. Neither the name of the University nor the names of its contributors
  23  *    may be used to endorse or promote products derived from this software
  24  *    without specific prior written permission.
  25  *
  26  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  27  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  28  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  29  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  30  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  31  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  32  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  33  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  34  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  35  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  36  * SUCH DAMAGE.
  37  *
  38  *      from: @(#)vm_init.c     8.1 (Berkeley) 6/11/93
  39  *
  40  *
  41  * Copyright (c) 1987, 1990 Carnegie-Mellon University.
  42  * All rights reserved.
  43  *
  44  * Authors: Avadis Tevanian, Jr., Michael Wayne Young
  45  *
  46  * Permission to use, copy, modify and distribute this software and
  47  * its documentation is hereby granted, provided that both the copyright
  48  * notice and this permission notice appear in all copies of the
  49  * software, derivative works or modified versions, and any portions
  50  * thereof, and that both notices appear in supporting documentation.
  51  *
  52  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
  53  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
  54  * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
  55  *
  56  * Carnegie Mellon requests users of this software to return to
  57  *
  58  *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
  59  *  School of Computer Science
  60  *  Carnegie Mellon University
  61  *  Pittsburgh PA 15213-3890
  62  *
  63  * any improvements or extensions that they make and grant Carnegie the
  64  * rights to redistribute these changes.
  65  *
  66  * $FreeBSD: src/sys/vm/vm_init.c,v 1.20 1999/10/29 18:09:29 phk Exp $
  67  * $DragonFly: src/sys/vm/vm_init.c,v 1.11 2007/04/30 07:18:57 dillon Exp $
  68  */
  69
  70 /*
  71  *      Initialize the Virtual Memory subsystem.
  72  */
  73
  74 #include <sys/param.h>
  75 #include <sys/kernel.h>
  76 #include <sys/systm.h>
  77
  78 #include <vm/vm.h>
  79 #include <sys/lock.h>
  80 #include <vm/vm_object.h>
  81 #include <vm/vm_page.h>
  82 #include <vm/vm_map.h>
  83 #include <vm/vm_pager.h>
  84 #include <vm/vm_extern.h>
  85
  86 /*
  87  * Initialize the VM system
  88  */
  89 static void vm_mem_init (void *);
  90 SYSINIT(vm_mem, SI_BOOT1_VM, SI_ORDER_FIRST, vm_mem_init, NULL)
  91
  92 /*
  93  *      vm_init initializes the virtual memory system.
  94  *      This is done only by the first cpu up.
  95  */
  96
  97 /* ARGSUSED*/
  98 static void
  99 vm_mem_init(void *dummy)
 100 {
 101         /*
 102          * Initializes resident memory structures. From here on, all physical
 103          * memory is accounted for, and we use only virtual addresses.
 104          */
 105         vm_set_page_size();
 106         vm_page_startup();
 107
 108         /*
 109          * Initialize other VM packages
 110          */
 111         vm_object_init();
 112         vm_map_startup();
 113         kmem_init();
 114         pmap_init();
 115 }