sys/arch/newsmips/include/machConst.h

   1 /*      $NetBSD: machConst.h,v 1.2.42.3 2004/09/21 13:19:33 skrll 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 */