1 /* $NetBSD: param.h,v 1.15 2012/08/11 17:03:26 tsutsui Exp $ */ 2 3 /* 4 * Copyright (c) 1988 University of Utah. 5 * Copyright (c) 1982, 1986, 1990, 1993 6 * The Regents of the University of California. All rights reserved. 7 * 8 * This code is derived from software contributed to Berkeley by 9 * the Systems Programming Group of the University of Utah Computer 10 * Science Department. 11 * 12 * Redistribution and use in source and binary forms, with or without 13 * modification, are permitted provided that the following conditions 14 * are met: 15 * 1. Redistributions of source code must retain the above copyright 16 * notice, this list of conditions and the following disclaimer. 17 * 2. Redistributions in binary form must reproduce the above copyright 18 * notice, this list of conditions and the following disclaimer in the 19 * documentation and/or other materials provided with the distribution. 20 * 3. Neither the name of the University nor the names of its contributors 21 * may be used to endorse or promote products derived from this software 22 * without specific prior written permission. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34 * SUCH DAMAGE. 35 * 36 * from: Utah Hdr: machparam.h 1.16 92/12/20 37 * from: @(#)param.h 8.1 (Berkeley) 6/10/93 38 */ 39 40 #ifndef _MACHINE_PARAM_H_ 41 #define _MACHINE_PARAM_H_ 42 43 /* 44 * Machine dependent constants for the Sun2 series. 45 */ 46 #define _MACHINE sun2 47 #define MACHINE "sun2" 48 #define _MACHINE_ARCH m68000 49 #define MACHINE_ARCH "m68000" 50 #define MID_MACHINE MID_M680002K 51 52 #define PGSHIFT 11 /* LOG2(NBPG) */ 53 54 #ifdef MSGBUFSIZE 55 #error "MSGBUFSIZE is not user-adjustable for this arch" 56 #endif 57 #define MSGBUFOFF 0x0 58 #define MSGBUFSIZE ((NBPG * 4) - MSGBUFOFF) 59 60 /* This is needed by ps (actually USPACE). */ 61 #define UPAGES (16384 / NBPG) /* pages of u-area */ 62 63 #if defined(_KERNEL) || defined(_STANDALONE) 64 65 #define KERNBASE 0x00006000 /* start of kernel virtual */ 66 #define KERN_END 0x00E00000 /* end of kernel virtual */ 67 68 #define MAXBSIZE 0x4000 /* max FS block size */ 69 #define MAXPHYS 0xe000 70 71 /* 72 * XXX fredette - we force a small cluster size to help me debug 73 * this on my low-memory machine. These should go away at some point. 74 */ 75 #define MCLSHIFT 10 76 77 /* 78 * XXX fredette - we must define this, otw UBC consumes 8MB of kernel VM. 79 * For now, we make it absurdly small, perhaps it can grow later. 80 */ 81 #define UBC_NWINS 32 82 83 #define MAXEXEC 1 84 85 #endif /* _KERNEL */ 86 87 #include <m68k/param.h> 88 89 /* 90 * Minimum and maximum sizes of the kernel malloc arena in PAGE_SIZE-sized 91 * logical pages. 92 */ 93 #define NKMEMPAGES_MIN_DEFAULT ((4 * 1024 * 1024) >> PAGE_SHIFT) 94 #define NKMEMPAGES_MAX_DEFAULT ((8 * 1024 * 1024) >> PAGE_SHIFT) 95 96 #if defined(_KERNEL) && !defined(_LOCORE) 97 98 #include <machine/intr.h> 99 100 extern void _delay(unsigned); 101 #define delay(us) _delay((us)<<8) 102 #define DELAY(n) delay(n) 103 104 #endif /* _KERNEL && !_LOCORE */ 105 #endif /* !_MACHINE_PARAM_H_ */ 106