param.h revision 1.5 1 /* $Id: param.h,v 1.5 2003/08/07 16:28:05 agc Exp $ */
2
3 /*
4 * Copyright (c) 1982, 1986, 1990, 1993
5 * The Regents of the University of California. All rights reserved.
6 *
7 * This code is derived from software contributed to Berkeley by
8 * the Systems Programming Group of the University of Utah Computer
9 * Science Department.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in the
18 * documentation and/or other materials provided with the distribution.
19 * 3. Neither the name of the University nor the names of its contributors
20 * may be used to endorse or promote products derived from this software
21 * without specific prior written permission.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * SUCH DAMAGE.
34 *
35 * from: Utah $Hdr: machparam.h 1.16 92/12/20$
36 *
37 * @(#)param.h 8.1 (Berkeley) 6/10/93
38 */
39 /*
40 * Copyright (c) 1988 University of Utah.
41 *
42 * This code is derived from software contributed to Berkeley by
43 * the Systems Programming Group of the University of Utah Computer
44 * Science Department.
45 *
46 * Redistribution and use in source and binary forms, with or without
47 * modification, are permitted provided that the following conditions
48 * are met:
49 * 1. Redistributions of source code must retain the above copyright
50 * notice, this list of conditions and the following disclaimer.
51 * 2. Redistributions in binary form must reproduce the above copyright
52 * notice, this list of conditions and the following disclaimer in the
53 * documentation and/or other materials provided with the distribution.
54 * 3. All advertising materials mentioning features or use of this software
55 * must display the following acknowledgement:
56 * This product includes software developed by the University of
57 * California, Berkeley and its contributors.
58 * 4. Neither the name of the University nor the names of its contributors
59 * may be used to endorse or promote products derived from this software
60 * without specific prior written permission.
61 *
62 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
63 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
64 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
65 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
66 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
67 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
68 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
69 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
70 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
71 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
72 * SUCH DAMAGE.
73 *
74 * from: Utah $Hdr: machparam.h 1.16 92/12/20$
75 *
76 * @(#)param.h 8.1 (Berkeley) 6/10/93
77 */
78
79 #ifndef _MACHINE_PARAM_H_
80 #define _MACHINE_PARAM_H_
81
82 #define _MACHINE luna68k
83 #define MACHINE "luna68k"
84
85 #define PGSHIFT 12 /* LOG2(NBPG) */
86 #define KERNBASE 0x00000000 /* start of kernel virtual */
87
88 #define SEGSHIFT 22 /* LOG2(NBSEG) */
89 #if defined(M68030) && !defined(M68040) && !defined(M68060)
90 #define NBSEG (1 << SEGSHIFT) /* bytes/segment */
91 #elif (defined(M68040) || defined(M68060)) && !defined(M68030)
92 #define NBSEG (32 * (1 << PGSHIFT))
93 #else
94 #define NBSEG ((mmutype == MMU_68040) ? \
95 (32 * (1 << PGSHIFT)) : (256 * (1 << PGSHIFT)))
96 #endif
97 #define SEGOFSET (NBSEG-1) /* byte offset into segment */
98
99 #define UPAGES 2 /* pages of u-area */
100
101 #include <m68k/param.h>
102
103 #define NPTEPG (NBPG/(sizeof (pt_entry_t)))
104
105 #ifndef MSGBUFSIZE
106 #define MSGBUFSIZE NBPG /* default message buffer size */
107 #endif
108
109 /*
110 * Minimum and maximum sizes of the kernel malloc arena in PAGE_SIZE-sized
111 * logical pages.
112 */
113 #define NKMEMPAGES_MIN_DEFAULT ((3 * 1024 * 1024) >> PAGE_SHIFT)
114 #define NKMEMPAGES_MAX_DEFAULT ((3 * 1024 * 1024) >> PAGE_SHIFT)
115
116 #include <machine/intr.h>
117
118 #if defined(_KERNEL) && !defined(_LOCORE)
119 #define delay(us) _delay((us)<<8)
120 #define DELAY(n) delay(n)
121
122 void _delay __P((unsigned));
123 #endif /* _KERNEL && !_LOCORE */
124
125 #endif /* !_MACHINE_PARAM_H_ */
126