xref: /netbsd/sys/arch/newsmips/include/machConst.h (revision 6550d01e)
1 /*	$NetBSD: machConst.h,v 1.4 2005/12/11 12:18:24 christos 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. Neither the name of the University nor the names of its contributors
19  *    may be used to endorse or promote products derived from this software
20  *    without specific prior written permission.
21  *
22  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
23  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
26  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32  * SUCH DAMAGE.
33  *
34  *	@(#)machConst.h	8.1 (Berkeley) 6/11/93
35  *
36  * machConst.h --
37  *
38  *	Machine dependent constants.
39  *
40  *	Copyright (C) 1989 Digital Equipment Corporation.
41  *	Permission to use, copy, modify, and distribute this software and
42  *	its documentation for any purpose and without fee is hereby granted,
43  *	provided that the above copyright notice appears in all copies.
44  *	Digital Equipment Corporation makes no representations about the
45  *	suitability of this software for any purpose.  It is provided "as is"
46  *	without express or implied warranty.
47  *
48  * from: $Header: /sprite/src/kernel/mach/ds3100.md/RCS/machConst.h,
49  *	v 9.2 89/10/21 15:55:22 jhh Exp $ SPRITE (DECWRL)
50  * from: $Header: /sprite/src/kernel/mach/ds3100.md/RCS/machAddrs.h,
51  *	v 1.2 89/08/15 18:28:21 rab Exp $ SPRITE (DECWRL)
52  * from: $Header: /sprite/src/kernel/vm/ds3100.md/RCS/vmPmaxConst.h,
53  *	v 9.1 89/09/18 17:33:00 shirriff Exp $ SPRITE (DECWRL)
54  */
55 
56 #ifndef _MACHCONST
57 #define _MACHCONST
58 
59 /*#define BETWEEN(x,a,b)	((unsigned)(x) >= (a) && (unsigned)(x) < (b))*/
60 
61 #define MACH_IS_UNMAPPED(x) (((unsigned int)(x)) >> 30 == 2)	/* 10xx... */
62 #define MACH_IS_CACHED(x)   (((unsigned int)(x)) >> 29 == 4)	/* 100x... */
63 #define MACH_IS_UNCACHED(x) (((unsigned int)(x)) >> 29 == 5)	/* 101x... */
64 
65 #define	MACH_IS_MAPPED(x) 1	/* XXX */
66 
67 #define	MACH_IS_USPACE(x)   ((unsigned int)(x) < MIPS_KSEG0_START)
68 
69 #define	MACH_KERNWORK_ADDR		0x800001c0
70 #define	MACH_MAXMEMSIZE_ADDR		(MACH_KERNWORK_ADDR + 0 * 4)
71 #define	MACH_BOOTSW_ADDR		(MACH_KERNWORK_ADDR + 1 * 4)
72 #define	MACH_BOOTDEV_ADDR		(MACH_KERNWORK_ADDR + 2 * 4)
73 #define	MACH_HOWTO_ADDR			(MACH_KERNWORK_ADDR + 3 * 4)
74 #define	MACH_BP_ADDR			(MACH_KERNWORK_ADDR + 4 * 4)
75 #define	MACH_MONARG_ADDR		(MACH_KERNWORK_ADDR + 5 * 4)
76 
77 #endif /* _MACHCONST */
78