vmparam.h revision 1.1 
1/*	$NetBSD: vmparam.h,v 1.1 1998/05/15 10:15:57 tsubai 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 * Size of shared memory map
59 */
60#ifndef	SHMMAXPGS
61#define	SHMMAXPGS	1024
62#endif
63
64/*
65 * Size of User Raw I/O map
66 */
67#define	USRIOSIZE	1024
68
69/*
70 * The time for a process to be blocked before being very swappable.
71 * This is a number of seconds which the system takes as being a non-trivial
72 * amount of real time.  You probably shouldn't change this;
73 * it is used in subtle ways (fractions and multiples of it are, that is, like
74 * half of a ``long time'', almost a long time, etc.)
75 * It is related to human patience and other factors which don't really
76 * change over time.
77 */
78#define	MAXSLP 		20
79
80/*
81 * Would like to have MAX addresses = 0, but this doesn't (currently) work
82 */
83#define	VM_MIN_ADDRESS		((vm_offset_t)0)
84#define	VM_MAXUSER_ADDRESS	((vm_offset_t)0xfffff000)
85#define	VM_MAX_ADDRESS		VM_MAXUSER_ADDRESS
86#define	VM_MIN_KERNEL_ADDRESS	((vm_offset_t)(KERNEL_SR << ADDR_SR_SHFT))
87
88#define	VM_KMEM_SIZE		(NKMEMCLUSTERS * CLBYTES)
89#define	VM_MBUF_SIZE		(NMBCLUSTERS * CLBYTES)
90#define	VM_PHYS_SIZE		(USRIOSIZE * CLBYTES)
91
92/*
93 * MACHINE_NONCONTIG is necessary for NetBSD/powerpc.
94 */
95#define	MACHINE_NONCONTIG
96