param.h revision 1.52 1 /* $NetBSD: param.h,v 1.52 2001/05/28 20:56:54 chs Exp $ */
2
3 /*
4 * Copyright (c) 1988 University of Utah.
5 * Copyright (c) 1982, 1986, 1990, 1993
6 * The Regents of the University of California. All rights reserved.
7 *
8 * This code is derived from software contributed to Berkeley by
9 * the Systems Programming Group of the University of Utah Computer
10 * Science Department.
11 *
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the following conditions
14 * are met:
15 * 1. Redistributions of source code must retain the above copyright
16 * notice, this list of conditions and the following disclaimer.
17 * 2. Redistributions in binary form must reproduce the above copyright
18 * notice, this list of conditions and the following disclaimer in the
19 * documentation and/or other materials provided with the distribution.
20 * 3. All advertising materials mentioning features or use of this software
21 * must display the following acknowledgement:
22 * This product includes software developed by the University of
23 * California, Berkeley and its contributors.
24 * 4. Neither the name of the University nor the names of its contributors
25 * may be used to endorse or promote products derived from this software
26 * without specific prior written permission.
27 *
28 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
29 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
30 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
31 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
32 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
33 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
34 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
35 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
36 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
37 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
38 * SUCH DAMAGE.
39 *
40 * from: Utah Hdr: machparam.h 1.16 92/12/20
41 * from: @(#)param.h 8.1 (Berkeley) 6/10/93
42 */
43
44 #ifndef _MACHINE_PARAM_H_
45 #define _MACHINE_PARAM_H_
46
47 /*
48 * Machine dependent constants for both the
49 * Sun3 and Sun3X series.
50 */
51 #define _MACHINE sun3
52 #define MACHINE "sun3"
53
54 #define PGSHIFT 13 /* LOG2(NBPG) */
55
56 #ifdef MSGBUFSIZE
57 #error "MSGBUFSIZE is not user-adjustable for this arch"
58 #endif
59 #define MSGBUFOFF 0
60 #define MSGBUFSIZE (NBPG)
61
62 /* This is needed by ps (actually USPACE). */
63 #define UPAGES 2 /* pages of u-area */
64
65 #if defined(_KERNEL) || defined(_STANDALONE)
66 #ifdef _SUN3_
67 #include <machine/param3.h>
68 #endif /* SUN3 */
69 #ifdef _SUN3X_
70 #include <machine/param3x.h>
71 #endif /* SUN3X */
72 #endif /* _KERNEL */
73
74 #include <m68k/param.h>
75
76 /*
77 * Minimum and maximum sizes of the kernel malloc arena in PAGE_SIZE-sized
78 * logical pages.
79 */
80 #define NKMEMPAGES_MIN_DEFAULT ((3 * 1024 * 1024) >> PAGE_SHIFT)
81 #define NKMEMPAGES_MAX_DEFAULT ((3 * 1024 * 1024) >> PAGE_SHIFT)
82
83 #if defined(_KERNEL) && !defined(_LOCORE)
84
85 /* XXX - Does this really belong here? -gwr */
86 #include <machine/psl.h>
87
88 extern void _delay __P((unsigned));
89 #define delay(us) _delay((us)<<8)
90 #define DELAY(n) delay(n)
91
92 #endif /* _KERNEL && !_LOCORE */
93 #endif /* !_MACHINE_PARAM_H_ */
94