/*      $NetBSD: machConst.h,v 1.4 2005/12/11 12:18:24 christos Exp $   */
/*
* Copyright (c) 1992, 1993
*      The Regents of the University of California.  All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Ralph Campbell, and Kazumasa Utashiro of Software Research
* Associates, Inc.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
*    notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
*    notice, this list of conditions and the following disclaimer in the
*    documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
*    may be used to endorse or promote products derived from this software
*    without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
*      @(#)machConst.h 8.1 (Berkeley) 6/11/93
*
* machConst.h --
*
*      Machine dependent constants.
*
*      Copyright (C) 1989 Digital Equipment Corporation.
*      Permission to use, copy, modify, and distribute this software and
*      its documentation for any purpose and without fee is hereby granted,
*      provided that the above copyright notice appears in all copies.
*      Digital Equipment Corporation makes no representations about the
*      suitability of this software for any purpose.  It is provided "as is"
*      without express or implied warranty.
*
* from: $Header: /sprite/src/kernel/mach/ds3100.md/RCS/machConst.h,
*      v 9.2 89/10/21 15:55:22 jhh Exp $ SPRITE (DECWRL)
* from: $Header: /sprite/src/kernel/mach/ds3100.md/RCS/machAddrs.h,
*      v 1.2 89/08/15 18:28:21 rab Exp $ SPRITE (DECWRL)
* from: $Header: /sprite/src/kernel/vm/ds3100.md/RCS/vmPmaxConst.h,
*      v 9.1 89/09/18 17:33:00 shirriff Exp $ SPRITE (DECWRL)
*/

#ifndef _MACHCONST
#define _MACHCONST

/*#define BETWEEN(x,a,b)        ((unsigned)(x) >= (a) && (unsigned)(x) < (b))*/

#define MACH_IS_UNMAPPED(x) (((unsigned int)(x)) >> 30 == 2)    /* 10xx... */
#define MACH_IS_CACHED(x)   (((unsigned int)(x)) >> 29 == 4)    /* 100x... */
#define MACH_IS_UNCACHED(x) (((unsigned int)(x)) >> 29 == 5)    /* 101x... */

#define MACH_IS_MAPPED(x) 1     /* XXX */

#define MACH_IS_USPACE(x)   ((unsigned int)(x) < MIPS_KSEG0_START)

#define MACH_KERNWORK_ADDR              0x800001c0
#define MACH_MAXMEMSIZE_ADDR            (MACH_KERNWORK_ADDR + 0 * 4)
#define MACH_BOOTSW_ADDR                (MACH_KERNWORK_ADDR + 1 * 4)
#define MACH_BOOTDEV_ADDR               (MACH_KERNWORK_ADDR + 2 * 4)
#define MACH_HOWTO_ADDR                 (MACH_KERNWORK_ADDR + 3 * 4)
#define MACH_BP_ADDR                    (MACH_KERNWORK_ADDR + 4 * 4)
#define MACH_MONARG_ADDR                (MACH_KERNWORK_ADDR + 5 * 4)

#endif /* _MACHCONST */