1 /* $NetBSD: param.h,v 1.5 2003/10/30 06:22:53 mycroft 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 SEGSHIFT 15 /* LOG2(NBSG) */ 106 #define NBSG (1 << SEGSHIFT) /* bytes/segment */ 107 #define SEGOFSET (NBSG-1) /* byte offset into segment */ 108 109 #define MAXBSIZE 0x2000 /* max FS block size */ 110 #define MAXPHYS 0xe000 111 112 /* 113 * XXX fredette - we force a small number of mbuf clusters and cluster 114 * size to help me debug this on my low-memory machine. These should 115 * go away at some point. 116 */ 117 #define NMBCLUSTERS 64 /* map size, max cluster allocation */ 118 #define MCLSHIFT 10 119 120 /* 121 * XXX fredette - we must define this, otw UBC consumes 8MB of kernel VM. 122 * For now, we make it absurdly small, perhaps it can grow later. 123 */ 124 #define UBC_NWINS 32 125 126 #endif /* _KERNEL */ 127 128 #include <m68k/param.h> 129 130 /* 131 * Minimum and maximum sizes of the kernel malloc arena in PAGE_SIZE-sized 132 * logical pages. 133 */ 134 #define NKMEMPAGES_MIN_DEFAULT ((3 * 1024 * 1024) >> PAGE_SHIFT) 135 #define NKMEMPAGES_MAX_DEFAULT ((3 * 1024 * 1024) >> PAGE_SHIFT) 136 137 #if defined(_KERNEL) && !defined(_LOCORE) 138 139 /* XXX - Does this really belong here? -gwr */ 140 #include <machine/psl.h> 141 142 extern void _delay __P((unsigned)); 143 #define delay(us) _delay((us)<<8) 144 #define DELAY(n) delay(n) 145 146 #endif /* _KERNEL && !_LOCORE */ 147 #endif /* !_MACHINE_PARAM_H_ */ 148