1 /* $NetBSD: param3x.h,v 1.11 1997/10/03 02:16:17 gwr 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. All advertising materials mentioning features or use of this software 21 * must display the following acknowledgement: 22 * This product includes software developed by the University of 23 * California, Berkeley and its contributors. 24 * 4. Neither the name of the University nor the names of its contributors 25 * may be used to endorse or promote products derived from this software 26 * without specific prior written permission. 27 * 28 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 29 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 30 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 31 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 32 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 33 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 34 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 35 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 36 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 37 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 38 * SUCH DAMAGE. 39 * 40 * from: Utah Hdr: machparam.h 1.16 92/12/20 41 * from: @(#)param.h 8.1 (Berkeley) 6/10/93 42 */ 43 44 #ifndef _MACHINE_PARAM_H_ 45 #define _MACHINE_PARAM_H_ 46 47 /* 48 * Machine dependent constants for the Sun3x series. 49 */ 50 #define _MACHINE sun3x 51 #define MACHINE "sun3x" 52 53 #define PGSHIFT 13 /* LOG2(NBPG) */ 54 55 #define SEGSHIFT 19 /* LOG2(NBSG) */ 56 #define NBSG (1 << SEGSHIFT) /* bytes/segment */ 57 #define SEGOFSET (NBSG-1) /* byte offset into segment */ 58 59 #define MAXBSIZE 0x8000 /* max FS block size - XXX */ 60 61 #define KERNBASE 0xF8000000 /* start of kernel virtual */ 62 #define KERNTEXTOFF 0xF8004000 /* start of kernel text */ 63 #define KERN_END 0xFE000000 /* end of kernel virtual */ 64 65 #define UPAGES 2 /* pages of u-area */ 66 67 #define MSGBUFOFF 0x200 68 #define MSGBUFSIZE (NBPG - MSGBUFOFF) 69 70 #include <m68k/param.h> 71 72 /* 73 * Size of kernel malloc arena in CLBYTES-sized logical pages 74 */ 75 #ifndef NKMEMCLUSTERS 76 # define NKMEMCLUSTERS (2048 * 1024 / CLBYTES) 77 #endif 78 79 /* XXX - Does this really belong here? -gwr */ 80 #include <machine/psl.h> 81 82 #if defined(_KERNEL) && !defined(_LOCORE) 83 extern void _delay __P((unsigned)); 84 #define delay(us) _delay((us)<<8) 85 #define DELAY(n) delay(n) 86 #endif /* _KERNEL && !_LOCORE */ 87 88 #endif /* !_MACHINE_PARAM_H_ */ 89