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1.1 root 1: /*
2: * Copyright (c) 1991 Regents of the University of California.
3: * All rights reserved.
4: *
5: * This code is derived from software contributed to Berkeley by
6: * The Mach Operating System project at Carnegie-Mellon University.
7: *
8: * Redistribution and use in source and binary forms, with or without
9: * modification, are permitted provided that the following conditions
10: * are met:
11: * 1. Redistributions of source code must retain the above copyright
12: * notice, this list of conditions and the following disclaimer.
13: * 2. Redistributions in binary form must reproduce the above copyright
14: * notice, this list of conditions and the following disclaimer in the
15: * documentation and/or other materials provided with the distribution.
16: * 3. All advertising materials mentioning features or use of this software
17: * must display the following acknowledgement:
18: * This product includes software developed by the University of
19: * California, Berkeley and its contributors.
20: * 4. Neither the name of the University nor the names of its contributors
21: * may be used to endorse or promote products derived from this software
22: * without specific prior written permission.
23: *
24: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34: * SUCH DAMAGE.
35: *
1.1.1.2 ! root 36: * from: @(#)vm_init.c 7.3 (Berkeley) 4/21/91
! 37: * vm_init.c,v 1.2 1993/05/20 03:59:24 cgd Exp
1.1 root 38: *
39: *
40: * Copyright (c) 1987, 1990 Carnegie-Mellon University.
41: * All rights reserved.
42: *
43: * Authors: Avadis Tevanian, Jr., Michael Wayne Young
44: *
45: * Permission to use, copy, modify and distribute this software and
46: * its documentation is hereby granted, provided that both the copyright
47: * notice and this permission notice appear in all copies of the
48: * software, derivative works or modified versions, and any portions
49: * thereof, and that both notices appear in supporting documentation.
50: *
51: * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
52: * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
53: * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
54: *
55: * Carnegie Mellon requests users of this software to return to
56: *
57: * Software Distribution Coordinator or [email protected]
58: * School of Computer Science
59: * Carnegie Mellon University
60: * Pittsburgh PA 15213-3890
61: *
62: * any improvements or extensions that they make and grant Carnegie the
63: * rights to redistribute these changes.
64: */
65:
66: /*
67: * Initialize the Virtual Memory subsystem.
68: */
69:
70: #include "param.h"
71:
72: #include "vm.h"
73: #include "vm_page.h"
74: #include "vm_kern.h"
75:
76: /*
77: * vm_init initializes the virtual memory system.
78: * This is done only by the first cpu up.
79: *
80: * The start and end address of physical memory is passed in.
81: */
82:
83: void vm_mem_init()
84: {
85: extern vm_offset_t avail_start, avail_end;
86: extern vm_offset_t virtual_avail, virtual_end;
87:
88: /*
89: * Initializes resident memory structures.
90: * From here on, all physical memory is accounted for,
91: * and we use only virtual addresses.
92: */
93:
94: virtual_avail = vm_page_startup(avail_start, avail_end, virtual_avail);
95: /*
96: * Initialize other VM packages
97: */
98: vm_object_init();
99: vm_map_startup();
100: kmem_init(virtual_avail, virtual_end);
101: pmap_init(avail_start, avail_end);
102: vm_pager_init();
103: }
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