xref: /netbsd-src/sys/arch/mac68k/include/param.h (revision 23c8222edbfb0f0932d88a8351d3a0cf817dfb9e)
1 /*	$NetBSD: param.h,v 1.39 2003/08/07 16:28:20 agc Exp $	*/
2 
3 /*
4  * Copyright (c) 1982, 1990 The Regents of the University of California.
5  * 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 /*
36  * Copyright (c) 1988 University of Utah.
37  *
38  * This code is derived from software contributed to Berkeley by
39  * the Systems Programming Group of the University of Utah Computer
40  * Science Department.
41  *
42  * Redistribution and use in source and binary forms, with or without
43  * modification, are permitted provided that the following conditions
44  * are met:
45  * 1. Redistributions of source code must retain the above copyright
46  *    notice, this list of conditions and the following disclaimer.
47  * 2. Redistributions in binary form must reproduce the above copyright
48  *    notice, this list of conditions and the following disclaimer in the
49  *    documentation and/or other materials provided with the distribution.
50  * 3. All advertising materials mentioning features or use of this software
51  *    must display the following acknowledgement:
52  *	This product includes software developed by the University of
53  *	California, Berkeley and its contributors.
54  * 4. Neither the name of the University nor the names of its contributors
55  *    may be used to endorse or promote products derived from this software
56  *    without specific prior written permission.
57  *
58  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
59  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
60  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
61  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
62  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
63  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
64  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
65  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
66  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
67  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
68  * SUCH DAMAGE.
69  */
70 /*-
71  * Copyright (C) 1993	Allen K. Briggs, Chris P. Caputo,
72  *			Michael L. Finch, Bradley A. Grantham, and
73  *			Lawrence A. Kesteloot
74  * All rights reserved.
75  *
76  * Redistribution and use in source and binary forms, with or without
77  * modification, are permitted provided that the following conditions
78  * are met:
79  * 1. Redistributions of source code must retain the above copyright
80  *    notice, this list of conditions and the following disclaimer.
81  * 2. Redistributions in binary form must reproduce the above copyright
82  *    notice, this list of conditions and the following disclaimer in the
83  *    documentation and/or other materials provided with the distribution.
84  * 3. All advertising materials mentioning features or use of this software
85  *    must display the following acknowledgement:
86  *	This product includes software developed by the Alice Group.
87  * 4. The names of the Alice Group or any of its members may not be used
88  *    to endorse or promote products derived from this software without
89  *    specific prior written permission.
90  *
91  * THIS SOFTWARE IS PROVIDED BY THE ALICE GROUP ``AS IS'' AND ANY EXPRESS OR
92  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
93  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
94  * IN NO EVENT SHALL THE ALICE GROUP BE LIABLE FOR ANY DIRECT, INDIRECT,
95  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
96  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
97  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
98  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
99  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
100  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
101  *
102  */
103 /*
104  * from: Utah $Hdr: machparam.h 1.11 89/08/14$
105  *
106  *	@(#)param.h	7.8 (Berkeley) 6/28/91
107  */
108 
109 #ifndef	_MACHINE_PARAM_H_
110 #define	_MACHINE_PARAM_H_
111 
112 /*
113  * Machine dependent constants for Macintosh II-and-similar series.
114  */
115 #define	_MACHINE	mac68k
116 #define	MACHINE		"mac68k"
117 
118 /*
119  * Get interrupt glue.
120  */
121 #include <machine/intr.h>
122 
123 #define	PGSHIFT		12		/* LOG2(NBPG) */
124 #define	KERNBASE	0x00000000	/* start of kernel virtual */
125 
126 #define	SEGSHIFT	22		/* LOG2(NBSEG) */
127 #if defined(M68030) && !defined(M68040) && !defined(M68060)
128 #define NBSEG		(1 << SEGSHIFT)	/* bytes/segment */
129 #elif (defined(M68040) || defined(M68060)) && !defined(M68030)
130 #define	NBSEG		(32 * (1 << PGSHIFT))
131 #else
132 #define	NBSEG		((mmutype == MMU_68040) ? \
133 				(32 * (1 << PGSHIFT)) : (256 * (1 << PGSHIFT)))
134 #endif
135 #define	SEGOFSET	(NBSEG-1)	/* byte offset into segment */
136 
137 #define	UPAGES		3  		/* pages of u-area */
138 
139 #include <m68k/param.h>
140 
141 #define	NPTEPG		(NBPG/(sizeof (pt_entry_t)))
142 
143 /*
144  * Minimum and maximum sizes of the kernel malloc arena in PAGE_SIZE-sized
145  * logical pages.
146  */
147 #define	NKMEMPAGES_MIN_DEFAULT	((3 * 1024 * 1024) >> PAGE_SHIFT)
148 #define	NKMEMPAGES_MAX_DEFAULT	((128 * 1024 * 1024) >> PAGE_SHIFT)
149 
150 #include <machine/psl.h>
151 
152 #if defined(_KERNEL) && !defined(_LOCORE)
153 void	delay		__P((unsigned));
154 #define DELAY(ms)	delay(ms)
155 #endif	/* _KERNEL && !_LOCORE */
156 
157 #endif	/* !_MACHINE_PARAM_H_ */
158