machConst.h revision 1.2 1 /* $NetBSD: machConst.h,v 1.2 1999/02/15 04:36:35 hubertf Exp $ */
2 /*
3 * Copyright (c) 1992, 1993
4 * The Regents of the University of California. All rights reserved.
5 *
6 * This code is derived from software contributed to Berkeley by
7 * Ralph Campbell, and Kazumasa Utashiro of Software Research
8 * Associates, Inc.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 * 3. All advertising materials mentioning features or use of this software
19 * must display the following acknowledgement:
20 * This product includes software developed by the University of
21 * California, Berkeley and its contributors.
22 * 4. Neither the name of the University nor the names of its contributors
23 * may be used to endorse or promote products derived from this software
24 * without specific prior written permission.
25 *
26 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
27 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
28 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
29 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
30 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
31 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
32 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
33 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
34 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
35 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
36 * SUCH DAMAGE.
37 *
38 * @(#)machConst.h 8.1 (Berkeley) 6/11/93
39 *
40 * machConst.h --
41 *
42 * Machine dependent constants.
43 *
44 * Copyright (C) 1989 Digital Equipment Corporation.
45 * Permission to use, copy, modify, and distribute this software and
46 * its documentation for any purpose and without fee is hereby granted,
47 * provided that the above copyright notice appears in all copies.
48 * Digital Equipment Corporation makes no representations about the
49 * suitability of this software for any purpose. It is provided "as is"
50 * without express or implied warranty.
51 *
52 * from: $Header: /sprite/src/kernel/mach/ds3100.md/RCS/machConst.h,
53 * v 9.2 89/10/21 15:55:22 jhh Exp $ SPRITE (DECWRL)
54 * from: $Header: /sprite/src/kernel/mach/ds3100.md/RCS/machAddrs.h,
55 * v 1.2 89/08/15 18:28:21 rab Exp $ SPRITE (DECWRL)
56 * from: $Header: /sprite/src/kernel/vm/ds3100.md/RCS/vmPmaxConst.h,
57 * v 9.1 89/09/18 17:33:00 shirriff Exp $ SPRITE (DECWRL)
58 */
59
60 #ifndef _MACHCONST
61 #define _MACHCONST
62
63 /*#define BETWEEN(x,a,b) ((unsigned)(x) >= (a) && (unsigned)(x) < (b))*/
64
65 #define MACH_IS_UNMAPPED(x) (((unsigned int)(x)) >> 30 == 2) /* 10xx... */
66 #define MACH_IS_CACHED(x) (((unsigned int)(x)) >> 29 == 4) /* 100x... */
67 #define MACH_IS_UNCACHED(x) (((unsigned int)(x)) >> 29 == 5) /* 101x... */
68
69 #define MACH_IS_MAPPED(x) 1 /* XXX */
70
71 #define MACH_IS_USPACE(x) ((unsigned int)(x) < MIPS_KSEG0_START)
72
73 #define MACH_KERNWORK_ADDR 0x800001c0
74 #define MACH_MAXMEMSIZE_ADDR (MACH_KERNWORK_ADDR + 0 * 4)
75 #define MACH_BOOTSW_ADDR (MACH_KERNWORK_ADDR + 1 * 4)
76 #define MACH_BOOTDEV_ADDR (MACH_KERNWORK_ADDR + 2 * 4)
77 #define MACH_HOWTO_ADDR (MACH_KERNWORK_ADDR + 3 * 4)
78 #define MACH_BP_ADDR (MACH_KERNWORK_ADDR + 4 * 4)
79 #define MACH_MONARG_ADDR (MACH_KERNWORK_ADDR + 5 * 4)
80
81 #endif /* _MACHCONST */
82