vmparam.h revision 1.1 1 /* $NetBSD: vmparam.h,v 1.1 1996/09/30 16:34:38 ws Exp $ */
2
3 /*-
4 * Copyright (C) 1995, 1996 Wolfgang Solfrank.
5 * Copyright (C) 1995, 1996 TooLs GmbH.
6 * All rights reserved.
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 TooLs GmbH.
19 * 4. The name of TooLs GmbH may not be used to endorse or promote products
20 * derived from this software without specific prior written permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``AS IS'' AND ANY EXPRESS OR
23 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
24 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
25 * IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
26 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
27 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
28 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
29 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
30 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
31 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32 */
33
34 #define USRTEXT CLBYTES
35 #define USRSTACK VM_MAXUSER_ADDRESS
36
37 #ifndef MAXTSIZ
38 #define MAXTSIZ (16*1024*1024) /* max text size */
39 #endif
40
41 #ifndef DFLDSIZ
42 #define DFLDSIZ (16*1024*1024) /* default data size */
43 #endif
44
45 #ifndef MAXDSIZ
46 #define MAXDSIZ (512*1024*1024) /* max data size */
47 #endif
48
49 #ifndef DFLSSIZ
50 #define DFLSSIZ (1*1024*1024) /* default stack size */
51 #endif
52
53 #ifndef MAXSSIZ
54 #define MAXSSIZ (32*1024*1024) /* max stack size */
55 #endif
56
57 /*
58 * Min & Max swap space allocation chunks
59 */
60 #define DMMIN 32
61 #define DMMAX 4096
62
63 /*
64 * Size of shared memory map
65 */
66 #ifndef SHMMAXPGS
67 #define SHMMAXPGS 1024
68 #endif
69
70 /*
71 * Size of User Raw I/O map
72 */
73 #define USRIOSIZE 1024
74
75 /*
76 * The time for a process to be blocked before being very swappable.
77 * This is a number of seconds which the system takes as being a non-trivial
78 * amount of real time. You probably shouldn't change this;
79 * it is used in subtle ways (fractions and multiples of it are, that is, like
80 * half of a ``long time'', almost a long time, etc.)
81 * It is related to human patience and other factors which don't really
82 * change over time.
83 */
84 #define MAXSLP 20
85
86 /*
87 * Would like to have MAX addresses = 0, but this doesn't (currently) work
88 */
89 #define VM_MIN_ADDRESS ((vm_offset_t)0)
90 #define VM_MAXUSER_ADDRESS ((vm_offset_t)0xfffff000)
91 #define VM_MAX_ADDRESS VM_MAXUSER_ADDRESS
92 #define VM_MIN_KERNEL_ADDRESS ((vm_offset_t)(KERNEL_SR << ADDR_SR_SHFT))
93
94 #define VM_KMEM_SIZE (NKMEMCLUSTERS * CLBYTES)
95 #define VM_MBUF_SIZE (NMBCLUSTERS * CLBYTES)
96 #define VM_PHYS_SIZE (USRIOSIZE * CLBYTES)
97