param.h revision 1.31 1 1.31 isaki /* $NetBSD: param.h,v 1.31 2024/01/06 05:31:19 isaki Exp $ */
2 1.1 oki
3 1.1 oki /*
4 1.27 rmind * Copyright (c) 1988 University of Utah.
5 1.1 oki * Copyright (c) 1982, 1986, 1990, 1993
6 1.1 oki * The Regents of the University of California. All rights reserved.
7 1.19 agc *
8 1.19 agc * This code is derived from software contributed to Berkeley by
9 1.19 agc * the Systems Programming Group of the University of Utah Computer
10 1.19 agc * Science Department.
11 1.19 agc *
12 1.19 agc * Redistribution and use in source and binary forms, with or without
13 1.19 agc * modification, are permitted provided that the following conditions
14 1.19 agc * are met:
15 1.19 agc * 1. Redistributions of source code must retain the above copyright
16 1.19 agc * notice, this list of conditions and the following disclaimer.
17 1.19 agc * 2. Redistributions in binary form must reproduce the above copyright
18 1.19 agc * notice, this list of conditions and the following disclaimer in the
19 1.19 agc * documentation and/or other materials provided with the distribution.
20 1.19 agc * 3. Neither the name of the University nor the names of its contributors
21 1.19 agc * may be used to endorse or promote products derived from this software
22 1.19 agc * without specific prior written permission.
23 1.19 agc *
24 1.19 agc * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25 1.19 agc * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26 1.19 agc * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27 1.19 agc * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28 1.19 agc * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29 1.19 agc * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30 1.19 agc * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31 1.19 agc * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32 1.19 agc * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33 1.19 agc * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 1.19 agc * SUCH DAMAGE.
35 1.19 agc *
36 1.19 agc * from: Utah $Hdr: machparam.h 1.16 92/12/20$
37 1.19 agc *
38 1.19 agc * @(#)param.h 8.1 (Berkeley) 6/10/93
39 1.19 agc */
40 1.1 oki
41 1.4 veego #ifndef _MACHINE_PARAM_H_
42 1.4 veego #define _MACHINE_PARAM_H_
43 1.4 veego
44 1.30 simonb #ifdef _KERNEL_OPT
45 1.30 simonb #include "opt_param.h"
46 1.30 simonb #endif
47 1.30 simonb
48 1.1 oki /*
49 1.1 oki * Machine dependent constants for x68k
50 1.1 oki */
51 1.1 oki #define _MACHINE x68k
52 1.1 oki #define MACHINE "x68k"
53 1.1 oki
54 1.4 veego #define PGSHIFT 12 /* LOG2(NBPG) */
55 1.4 veego #define KERNBASE 0x00000000 /* start of kernel virtual */
56 1.4 veego
57 1.15 minoura #define UPAGES 2 /* pages of u-area */
58 1.1 oki
59 1.29 isaki #ifndef MSGBUFSIZE
60 1.29 isaki #define MSGBUFSIZE (2 * NBPG) /* default message buffer size */
61 1.29 isaki #endif
62 1.29 isaki
63 1.4 veego #include <m68k/param.h>
64 1.6 veego
65 1.6 veego #define NPTEPG (NBPG/(sizeof (pt_entry_t)))
66 1.7 leo
67 1.1 oki /*
68 1.14 thorpej * Minimum and maximum sizes of the kernel malloc arena in PAGE_SIZE-sized
69 1.14 thorpej * logical pages.
70 1.4 veego */
71 1.28 para #define NKMEMPAGES_MIN_DEFAULT ((16 * 1024 * 1024) >> PAGE_SHIFT)
72 1.28 para #define NKMEMPAGES_MAX_DEFAULT ((128 * 1024 * 1024) >> PAGE_SHIFT)
73 1.1 oki
74 1.10 msaitoh #if defined(_KERNEL) && !defined(_LOCORE)
75 1.23 isaki #include <machine/intr.h>
76 1.23 isaki
77 1.31 isaki #define delay(us) _delay(us)
78 1.12 minoura #define DELAY(us) delay(us)
79 1.12 minoura
80 1.20 chs void _delay(u_int);
81 1.10 msaitoh #endif /* _KERNEL && !_LOCORE */
82 1.9 thorpej
83 1.4 veego #endif /* !_MACHINE_PARAM_H_ */
84