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      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