1 /* $NetBSD: param.h,v 1.13 2023/02/04 08:42:45 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 * 38 * @(#)param.h 8.1 (Berkeley) 6/10/93 39 */ 40 41 #ifndef _MACHINE_PARAM_H_ 42 #define _MACHINE_PARAM_H_ 43 44 /* 45 * Machine dependent constants for NeXT machines 46 */ 47 #define _MACHINE next68k 48 #define MACHINE "next68k" 49 50 #define PGSHIFT 12 /* LOG2(NBPG) */ 51 #define KERNBASE 0x00000000 /* start of kernel virtual */ 52 53 #define UPAGES 2 /* pages of u-area */ 54 55 #include <m68k/param.h> 56 57 #define NPTEPG (NBPG/(sizeof (pt_entry_t))) 58 59 #ifdef _KERNEL 60 #include <machine/intr.h> 61 62 /* 63 * Minimum and maximum sizes of the kernel malloc arena in PAGE_SIZE-sized 64 * logical pages. 65 */ 66 #define NKMEMPAGES_MIN_DEFAULT ((16 * 1024 * 1024) >> PAGE_SHIFT) 67 #define NKMEMPAGES_MAX_DEFAULT ((128 * 1024 * 1024) >> PAGE_SHIFT) 68 69 #if !defined(_LOCORE) 70 #define delay(us) _delay((us) << 8) 71 #define DELAY(us) delay(us) 72 void _delay(u_int); 73 #endif /* !_LOCORE */ 74 #endif /* _KERNEL */ 75 76 #endif /* !_MACHINE_PARAM_H_ */ 77