param3x.h revision 1.6 1 1.6 veego /* $NetBSD: param3x.h,v 1.6 1997/06/10 19:33:13 veego Exp $ */
2 1.1 gwr
3 1.1 gwr /*
4 1.1 gwr * Copyright (c) 1988 University of Utah.
5 1.1 gwr * Copyright (c) 1982, 1986, 1990, 1993
6 1.1 gwr * The Regents of the University of California. All rights reserved.
7 1.1 gwr *
8 1.1 gwr * This code is derived from software contributed to Berkeley by
9 1.1 gwr * the Systems Programming Group of the University of Utah Computer
10 1.1 gwr * Science Department.
11 1.1 gwr *
12 1.1 gwr * Redistribution and use in source and binary forms, with or without
13 1.1 gwr * modification, are permitted provided that the following conditions
14 1.1 gwr * are met:
15 1.1 gwr * 1. Redistributions of source code must retain the above copyright
16 1.1 gwr * notice, this list of conditions and the following disclaimer.
17 1.1 gwr * 2. Redistributions in binary form must reproduce the above copyright
18 1.1 gwr * notice, this list of conditions and the following disclaimer in the
19 1.1 gwr * documentation and/or other materials provided with the distribution.
20 1.1 gwr * 3. All advertising materials mentioning features or use of this software
21 1.1 gwr * must display the following acknowledgement:
22 1.1 gwr * This product includes software developed by the University of
23 1.1 gwr * California, Berkeley and its contributors.
24 1.1 gwr * 4. Neither the name of the University nor the names of its contributors
25 1.1 gwr * may be used to endorse or promote products derived from this software
26 1.1 gwr * without specific prior written permission.
27 1.1 gwr *
28 1.1 gwr * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
29 1.1 gwr * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
30 1.1 gwr * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
31 1.1 gwr * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
32 1.1 gwr * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
33 1.1 gwr * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
34 1.1 gwr * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
35 1.1 gwr * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
36 1.1 gwr * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
37 1.1 gwr * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
38 1.1 gwr * SUCH DAMAGE.
39 1.1 gwr *
40 1.1 gwr * from: Utah Hdr: machparam.h 1.16 92/12/20
41 1.1 gwr * from: @(#)param.h 8.1 (Berkeley) 6/10/93
42 1.1 gwr */
43 1.1 gwr
44 1.5 veego #ifndef _MACHINE_PARAM_H_
45 1.5 veego #define _MACHINE_PARAM_H_
46 1.1 gwr
47 1.1 gwr /*
48 1.1 gwr * Machine dependent constants for the Sun3x series.
49 1.1 gwr */
50 1.1 gwr #define _MACHINE sun3x
51 1.1 gwr #define MACHINE "sun3x"
52 1.1 gwr
53 1.1 gwr #define PGSHIFT 13 /* LOG2(NBPG) */
54 1.1 gwr
55 1.6 veego #define SEGSHIFT 19 /* LOG2(NBSG) */
56 1.6 veego #define NBSG (1 << SEGSHIFT) /* bytes/segment */
57 1.6 veego #define SEGOFSET (NBSG-1) /* byte offset into segment */
58 1.6 veego
59 1.6 veego #define MAXBSIZE 0x8000 /* max FS block size - XXX */
60 1.6 veego
61 1.1 gwr #define KERNBASE 0xF8000000 /* start of kernel virtual */
62 1.1 gwr #define KERNTEXTOFF 0xF8004000 /* start of kernel text */
63 1.1 gwr #define KERN_END 0xFE000000 /* end of kernel virtual */
64 1.1 gwr
65 1.5 veego #include <m68k/param.h>
66 1.1 gwr
67 1.1 gwr /*
68 1.1 gwr * Size of kernel malloc arena in CLBYTES-sized logical pages
69 1.5 veego */
70 1.1 gwr #ifndef NKMEMCLUSTERS
71 1.5 veego # define NKMEMCLUSTERS (2048 * 1024 / CLBYTES)
72 1.1 gwr #endif
73 1.1 gwr
74 1.1 gwr /* XXX - Does this really belong here? -gwr */
75 1.1 gwr #include <machine/psl.h>
76 1.1 gwr
77 1.1 gwr #if defined(_KERNEL) && !defined(_LOCORE)
78 1.1 gwr extern void _delay __P((unsigned));
79 1.1 gwr #define delay(us) _delay((us)<<8)
80 1.1 gwr #define DELAY(n) delay(n)
81 1.1 gwr #endif /* _KERNEL && !_LOCORE */
82 1.1 gwr
83 1.5 veego #endif /* !_MACHINE_PARAM_H_ */
84