param.h revision 1.2.2.2
1 1.2.2.2 bouyer /* $NetBSD: param.h,v 1.2.2.2 2001/04/21 17:54:52 bouyer Exp $ */ 2 1.2.2.2 bouyer 3 1.2.2.2 bouyer /* 4 1.2.2.2 bouyer * Copyright (c) 1988 University of Utah. 5 1.2.2.2 bouyer * Copyright (c) 1982, 1986, 1990, 1993 6 1.2.2.2 bouyer * The Regents of the University of California. All rights reserved. 7 1.2.2.2 bouyer * 8 1.2.2.2 bouyer * This code is derived from software contributed to Berkeley by 9 1.2.2.2 bouyer * the Systems Programming Group of the University of Utah Computer 10 1.2.2.2 bouyer * Science Department. 11 1.2.2.2 bouyer * 12 1.2.2.2 bouyer * Redistribution and use in source and binary forms, with or without 13 1.2.2.2 bouyer * modification, are permitted provided that the following conditions 14 1.2.2.2 bouyer * are met: 15 1.2.2.2 bouyer * 1. Redistributions of source code must retain the above copyright 16 1.2.2.2 bouyer * notice, this list of conditions and the following disclaimer. 17 1.2.2.2 bouyer * 2. Redistributions in binary form must reproduce the above copyright 18 1.2.2.2 bouyer * notice, this list of conditions and the following disclaimer in the 19 1.2.2.2 bouyer * documentation and/or other materials provided with the distribution. 20 1.2.2.2 bouyer * 3. All advertising materials mentioning features or use of this software 21 1.2.2.2 bouyer * must display the following acknowledgement: 22 1.2.2.2 bouyer * This product includes software developed by the University of 23 1.2.2.2 bouyer * California, Berkeley and its contributors. 24 1.2.2.2 bouyer * 4. Neither the name of the University nor the names of its contributors 25 1.2.2.2 bouyer * may be used to endorse or promote products derived from this software 26 1.2.2.2 bouyer * without specific prior written permission. 27 1.2.2.2 bouyer * 28 1.2.2.2 bouyer * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 29 1.2.2.2 bouyer * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 30 1.2.2.2 bouyer * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 31 1.2.2.2 bouyer * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 32 1.2.2.2 bouyer * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 33 1.2.2.2 bouyer * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 34 1.2.2.2 bouyer * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 35 1.2.2.2 bouyer * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 36 1.2.2.2 bouyer * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 37 1.2.2.2 bouyer * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 38 1.2.2.2 bouyer * SUCH DAMAGE. 39 1.2.2.2 bouyer * 40 1.2.2.2 bouyer * from: Utah Hdr: machparam.h 1.16 92/12/20 41 1.2.2.2 bouyer * from: @(#)param.h 8.1 (Berkeley) 6/10/93 42 1.2.2.2 bouyer */ 43 1.2.2.2 bouyer 44 1.2.2.2 bouyer #ifndef _MACHINE_PARAM_H_ 45 1.2.2.2 bouyer #define _MACHINE_PARAM_H_ 46 1.2.2.2 bouyer 47 1.2.2.2 bouyer /* 48 1.2.2.2 bouyer * Machine dependent constants for the Sun2 series. 49 1.2.2.2 bouyer */ 50 1.2.2.2 bouyer #define _MACHINE sun2 51 1.2.2.2 bouyer #define MACHINE "sun2" 52 1.2.2.2 bouyer #define _MACHINE_ARCH m68000 53 1.2.2.2 bouyer #define MACHINE_ARCH "m68000" 54 1.2.2.2 bouyer #define MID_MACHINE MID_M680002K 55 1.2.2.2 bouyer 56 1.2.2.2 bouyer #ifdef MSGBUFSIZE 57 1.2.2.2 bouyer #error "MSGBUFSIZE is not user-adjustable for this arch" 58 1.2.2.2 bouyer #endif 59 1.2.2.2 bouyer #define MSGBUFOFF 0x200 60 1.2.2.2 bouyer #define MSGBUFSIZE (NBPG - MSGBUFOFF) 61 1.2.2.2 bouyer 62 1.2.2.2 bouyer /* This is needed by ps (actually USPACE). */ 63 1.2.2.2 bouyer #define UPAGES (16384 / NBPG) /* pages of u-area */ 64 1.2.2.2 bouyer 65 1.2.2.2 bouyer #if defined(_KERNEL) || defined(_STANDALONE) 66 1.2.2.2 bouyer 67 1.2.2.2 bouyer #define KERNBASE 0x00008000 /* start of kernel virtual */ 68 1.2.2.2 bouyer #define KERNTEXTOFF 0x0000C000 /* start of kernel text */ 69 1.2.2.2 bouyer #define KERN_END 0x00E00000 /* end of kernel virtual */ 70 1.2.2.2 bouyer 71 1.2.2.2 bouyer #define PGSHIFT 11 /* LOG2(NBPG) */ 72 1.2.2.2 bouyer #define SEGSHIFT 15 /* LOG2(NBSG) */ 73 1.2.2.2 bouyer #define NBSG (1 << SEGSHIFT) /* bytes/segment */ 74 1.2.2.2 bouyer #define SEGOFSET (NBSG-1) /* byte offset into segment */ 75 1.2.2.2 bouyer 76 1.2.2.2 bouyer #define MAXBSIZE 0x2000 /* max FS block size */ 77 1.2.2.2 bouyer 78 1.2.2.2 bouyer /* 79 1.2.2.2 bouyer * XXX fredette - we force a small number of mbuf clusters and cluster 80 1.2.2.2 bouyer * size to help me debug this on my low-memory machine. These should 81 1.2.2.2 bouyer * go away at some point. 82 1.2.2.2 bouyer */ 83 1.2.2.2 bouyer #define NMBCLUSTERS 64 /* map size, max cluster allocation */ 84 1.2.2.2 bouyer #define MCLSHIFT 10 85 1.2.2.2 bouyer 86 1.2.2.2 bouyer /* 87 1.2.2.2 bouyer * XXX fredette - we must define this, otw UBC consumes 8MB of kernel VM. 88 1.2.2.2 bouyer * For now, we make it absurdly small, perhaps it can grow later. 89 1.2.2.2 bouyer */ 90 1.2.2.2 bouyer #define UBC_NWINS 32 91 1.2.2.2 bouyer 92 1.2.2.2 bouyer #endif /* _KERNEL */ 93 1.2.2.2 bouyer 94 1.2.2.2 bouyer #include <m68k/param.h> 95 1.2.2.2 bouyer 96 1.2.2.2 bouyer /* 97 1.2.2.2 bouyer * Minimum and maximum sizes of the kernel malloc arena in PAGE_SIZE-sized 98 1.2.2.2 bouyer * logical pages. 99 1.2.2.2 bouyer */ 100 1.2.2.2 bouyer #define NKMEMPAGES_MIN_DEFAULT ((3 * 1024 * 1024) >> PAGE_SHIFT) 101 1.2.2.2 bouyer #define NKMEMPAGES_MAX_DEFAULT ((3 * 1024 * 1024) >> PAGE_SHIFT) 102 1.2.2.2 bouyer 103 1.2.2.2 bouyer #if defined(_KERNEL) && !defined(_LOCORE) 104 1.2.2.2 bouyer 105 1.2.2.2 bouyer /* XXX - Does this really belong here? -gwr */ 106 1.2.2.2 bouyer #include <machine/psl.h> 107 1.2.2.2 bouyer 108 1.2.2.2 bouyer extern void _delay __P((unsigned)); 109 1.2.2.2 bouyer #define delay(us) _delay((us)<<8) 110 1.2.2.2 bouyer #define DELAY(n) delay(n) 111 1.2.2.2 bouyer 112 1.2.2.2 bouyer #endif /* _KERNEL && !_LOCORE */ 113 1.2.2.2 bouyer #endif /* !_MACHINE_PARAM_H_ */ 114
Indexes created Mon Oct 13 05:10:05 GMT 2025