sys/arch/sun2/include/param.h

   1 /*      $NetBSD: param.h,v 1.10 2008/07/02 17:28:57 ad Exp $    */
   2
   3 /*
   4  * Copyright (c) 1982, 1986, 1990, 1993
   5  *      The Regents of the University of California.  All rights reserved.
   6  *
   7  * This code is derived from software contributed to Berkeley by
   8  * the Systems Programming Group of the University of Utah Computer
   9  * Science Department.
  10  *
  11  * Redistribution and use in source and binary forms, with or without
  12  * modification, are permitted provided that the following conditions
  13  * are met:
  14  * 1. Redistributions of source code must retain the above copyright
  15  *    notice, this list of conditions and the following disclaimer.
  16  * 2. Redistributions in binary form must reproduce the above copyright
  17  *    notice, this list of conditions and the following disclaimer in the
  18  *    documentation and/or other materials provided with the distribution.
  19  * 3. Neither the name of the University nor the names of its contributors
  20  *    may be used to endorse or promote products derived from this software
  21  *    without specific prior written permission.
  22  *
  23  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  33  * SUCH DAMAGE.
  34  *
  35  *      from: Utah Hdr: machparam.h 1.16 92/12/20
  36  *      from: @(#)param.h       8.1 (Berkeley) 6/10/93
  37  */
  38 /*
  39  * Copyright (c) 1988 University of Utah.
  40  *
  41  * This code is derived from software contributed to Berkeley by
  42  * the Systems Programming Group of the University of Utah Computer
  43  * Science Department.
  44  *
  45  * Redistribution and use in source and binary forms, with or without
  46  * modification, are permitted provided that the following conditions
  47  * are met:
  48  * 1. Redistributions of source code must retain the above copyright
  49  *    notice, this list of conditions and the following disclaimer.
  50  * 2. Redistributions in binary form must reproduce the above copyright
  51  *    notice, this list of conditions and the following disclaimer in the
  52  *    documentation and/or other materials provided with the distribution.
  53  * 3. All advertising materials mentioning features or use of this software
  54  *    must display the following acknowledgement:
  55  *      This product includes software developed by the University of
  56  *      California, Berkeley and its contributors.
  57  * 4. Neither the name of the University nor the names of its contributors
  58  *    may be used to endorse or promote products derived from this software
  59  *    without specific prior written permission.
  60  *
  61  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  62  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  63  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  64  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  65  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  66  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  67  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  68  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  69  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  70  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  71  * SUCH DAMAGE.
  72  *
  73  *      from: Utah Hdr: machparam.h 1.16 92/12/20
  74  *      from: @(#)param.h       8.1 (Berkeley) 6/10/93
  75  */
  76
  77 #ifndef _MACHINE_PARAM_H_
  78 #define _MACHINE_PARAM_H_
  79
  80 /*
  81  * Machine dependent constants for the Sun2 series.
  82  */
  83 #define _MACHINE        sun2
  84 #define MACHINE         "sun2"
  85 #define _MACHINE_ARCH   m68000
  86 #define MACHINE_ARCH    "m68000"
  87 #define MID_MACHINE     MID_M680002K
  88
  89 #define PGSHIFT         11              /* LOG2(NBPG) */
  90
  91 #ifdef MSGBUFSIZE
  92 #error "MSGBUFSIZE is not user-adjustable for this arch"
  93 #endif
  94 #define MSGBUFOFF       0x0
  95 #define MSGBUFSIZE      ((NBPG * 4) - MSGBUFOFF)
  96
  97 /* This is needed by ps (actually USPACE). */
  98 #define UPAGES          (16384 / NBPG)          /* pages of u-area */
  99
 100 #if defined(_KERNEL) || defined(_STANDALONE)
 101
 102 #define KERNBASE        0x00006000      /* start of kernel virtual */
 103 #define KERN_END        0x00E00000      /* end of kernel virtual */
 104
 105 #define MAXBSIZE        0x4000          /* max FS block size */
 106 #define MAXPHYS         0xe000
 107
 108 /*
 109  * XXX fredette - we force a small number of mbuf clusters and cluster
 110  * size to help me debug this on my low-memory machine.  These should
 111  * go away at some point.
 112  */
 113 #define NMBCLUSTERS     64      /* map size, max cluster allocation */
 114 #define MCLSHIFT        10
 115
 116 /*
 117  * XXX fredette - we must define this, otw UBC consumes 8MB of kernel VM.
 118  * For now, we make it absurdly small, perhaps it can grow later.
 119  */
 120 #define UBC_NWINS       32
 121
 122 #define MAXEXEC         1
 123
 124 #endif  /* _KERNEL */
 125
 126 #include <m68k/param.h>
 127
 128 /*
 129  * Minimum and maximum sizes of the kernel malloc arena in PAGE_SIZE-sized
 130  * logical pages.
 131  */
 132 #define NKMEMPAGES_MIN_DEFAULT  ((3 * 1024 * 1024) >> PAGE_SHIFT)
 133 #define NKMEMPAGES_MAX_DEFAULT  ((3 * 1024 * 1024) >> PAGE_SHIFT)
 134
 135 #if defined(_KERNEL) && !defined(_LOCORE)
 136
 137 #include <machine/intr.h>
 138
 139 extern void _delay(unsigned);
 140 #define delay(us)       _delay((us)<<8)
 141 #define DELAY(n)        delay(n)
 142
 143 #endif  /* _KERNEL && !_LOCORE */
 144 #endif  /* !_MACHINE_PARAM_H_ */