param.h revision 1.3 1 1.3 thorpej /* $NetBSD: param.h,v 1.3 2000/02/11 19:30:28 thorpej Exp $ */
2 1.1 dbj
3 1.1 dbj /*
4 1.1 dbj * Copyright (c) 1988 University of Utah.
5 1.1 dbj * Copyright (c) 1982, 1986, 1990, 1993
6 1.1 dbj * The Regents of the University of California. All rights reserved.
7 1.1 dbj *
8 1.1 dbj * This code is derived from software contributed to Berkeley by
9 1.1 dbj * the Systems Programming Group of the University of Utah Computer
10 1.1 dbj * Science Department.
11 1.1 dbj *
12 1.1 dbj * Redistribution and use in source and binary forms, with or without
13 1.1 dbj * modification, are permitted provided that the following conditions
14 1.1 dbj * are met:
15 1.1 dbj * 1. Redistributions of source code must retain the above copyright
16 1.1 dbj * notice, this list of conditions and the following disclaimer.
17 1.1 dbj * 2. Redistributions in binary form must reproduce the above copyright
18 1.1 dbj * notice, this list of conditions and the following disclaimer in the
19 1.1 dbj * documentation and/or other materials provided with the distribution.
20 1.1 dbj * 3. All advertising materials mentioning features or use of this software
21 1.1 dbj * must display the following acknowledgement:
22 1.1 dbj * This product includes software developed by the University of
23 1.1 dbj * California, Berkeley and its contributors.
24 1.1 dbj * 4. Neither the name of the University nor the names of its contributors
25 1.1 dbj * may be used to endorse or promote products derived from this software
26 1.1 dbj * without specific prior written permission.
27 1.1 dbj *
28 1.1 dbj * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
29 1.1 dbj * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
30 1.1 dbj * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
31 1.1 dbj * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
32 1.1 dbj * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
33 1.1 dbj * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
34 1.1 dbj * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
35 1.1 dbj * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
36 1.1 dbj * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
37 1.1 dbj * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
38 1.1 dbj * SUCH DAMAGE.
39 1.1 dbj *
40 1.1 dbj * from: Utah $Hdr: machparam.h 1.16 92/12/20$
41 1.1 dbj *
42 1.1 dbj * @(#)param.h 8.1 (Berkeley) 6/10/93
43 1.1 dbj */
44 1.1 dbj
45 1.1 dbj #ifndef _MACHINE_PARAM_H_
46 1.1 dbj #define _MACHINE_PARAM_H_
47 1.1 dbj
48 1.1 dbj /*
49 1.1 dbj * Machine dependent constants for NeXT machines
50 1.1 dbj */
51 1.1 dbj #define _MACHINE next68k
52 1.1 dbj #define MACHINE "next68k"
53 1.1 dbj
54 1.1 dbj /*
55 1.1 dbj * Get interrupt glue.
56 1.1 dbj */
57 1.1 dbj #include <machine/intr.h>
58 1.1 dbj
59 1.1 dbj #define PGSHIFT 12 /* LOG2(NBPG) */
60 1.1 dbj #define KERNBASE 0x00000000 /* start of kernel virtual */
61 1.1 dbj
62 1.1 dbj #define SEGSHIFT 22 /* LOG2(NBSEG) */
63 1.1 dbj #define NBSEG (1 << SEGSHIFT) /* bytes/segment */
64 1.1 dbj #define SEGOFSET (NBSEG-1) /* byte offset into segment */
65 1.1 dbj
66 1.1 dbj #define UPAGES 3 /* pages of u-area */
67 1.1 dbj
68 1.1 dbj #include <m68k/param.h>
69 1.1 dbj
70 1.1 dbj #define NPTEPG (NBPG/(sizeof (pt_entry_t)))
71 1.1 dbj
72 1.1 dbj /*
73 1.3 thorpej * Minimum and maximum sizes of the kernel malloc arena in PAGE_SIZE-sized
74 1.3 thorpej * logical pages.
75 1.1 dbj */
76 1.3 thorpej #define NKMEMPAGES_MIN_DEFAULT ((4 * 1024 * 1024) >> PAGE_SHIFT)
77 1.3 thorpej #define NKMEMPAGES_MAX_DEFAULT ((4 * 1024 * 1024) >> PAGE_SHIFT)
78 1.1 dbj
79 1.1 dbj #if defined(_KERNEL) && !defined(_LOCORE)
80 1.1 dbj #define delay(us) _delay((us) << 8)
81 1.1 dbj #define DELAY(us) delay(us)
82 1.1 dbj void _delay __P((u_int));
83 1.1 dbj #endif /* _KERNEL && !_LOCORE */
84 1.1 dbj
85 1.1 dbj #endif /* !_MACHINE_PARAM_H_ */
86