param.h revision 1.46 1 /* $NetBSD: param.h,v 1.46 2005/09/11 23:15:18 he 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 /*
83 * Machine dependent constants for HP9000 series 300.
84 */
85 #define _MACHINE hp300
86 #define MACHINE "hp300"
87
88 #ifdef _KERNEL
89 /*
90 * Interrupt glue.
91 */
92 #include <machine/intr.h>
93 #endif /* _KERNEL */
94
95 #define PGSHIFT 12 /* LOG2(NBPG) */
96 #define KERNBASE 0x00000000 /* start of kernel virtual */
97
98 #define SEGSHIFT 22 /* LOG2(NBSEG) */
99 #if defined(M68030) && !defined(M68040) && !defined(M68060)
100 #define NBSEG (1 << SEGSHIFT) /* bytes/segment */
101 #elif (defined(M68040) || defined(M68060)) && !defined(M68030)
102 #define NBSEG (32 * (1 << PGSHIFT))
103 #else
104 #define NBSEG ((mmutype == MMU_68040) ? \
105 (32 * (1 << PGSHIFT)) : (256 * (1 << PGSHIFT)))
106 #endif
107 #define SEGOFSET (NBSEG-1) /* byte offset into segment */
108
109 #define UPAGES 2 /* pages of u-area */
110
111 #include <m68k/param.h>
112
113 #define NPTEPG (NBPG/(sizeof (pt_entry_t)))
114
115 /*
116 * Minimum and maximum sizes of the kernel malloc arena in PAGE_SIZE-sized
117 * logical pages.
118 */
119 #define NKMEMPAGES_MIN_DEFAULT ((6 * 1024 * 1024) >> PAGE_SHIFT)
120 #define NKMEMPAGES_MAX_DEFAULT ((8 * 1024 * 1024) >> PAGE_SHIFT)
121
122 #if defined(_KERNEL) && !defined(_LOCORE)
123 #define delay(us) _delay((us) << 8)
124 #define DELAY(us) delay(us)
125
126 void _delay(u_int);
127 #endif /* _KERNEL && !_LOCORE */
128
129 #if defined(_KERNEL_OPT)
130 #include "opt_compat_hpux.h"
131 #endif
132
133 #ifdef COMPAT_HPUX
134 /*
135 * Constants/macros for HPUX multiple mapping of user address space.
136 * Pages in the first 256Mb are mapped in at every 256Mb segment.
137 */
138 #define HPMMMASK 0xF0000000
139 #define ISHPMMADDR(v) \
140 ((curproc->p_md.mdp_flags & MDP_HPUXMMAP) && \
141 ((unsigned)(v) & HPMMMASK) && \
142 ((unsigned)(v) & HPMMMASK) != HPMMMASK)
143 #define HPMMBASEADDR(v) \
144 ((unsigned)(v) & ~HPMMMASK)
145 #endif
146
147 #endif /* !_MACHINE_PARAM_H_ */
148