param.h revision 1.7
1 /* $NetBSD: param.h,v 1.7 2005/09/07 19:39:51 drochner 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 * 37 * @(#)param.h 8.1 (Berkeley) 6/10/93 38 */ 39 /* 40 * Copyright (c) 1988 University of Utah. 41 * 42 * This code is derived from software contributed to Berkeley by 43 * the Systems Programming Group of the University of Utah Computer 44 * Science Department. 45 * 46 * Redistribution and use in source and binary forms, with or without 47 * modification, are permitted provided that the following conditions 48 * are met: 49 * 1. Redistributions of source code must retain the above copyright 50 * notice, this list of conditions and the following disclaimer. 51 * 2. Redistributions in binary form must reproduce the above copyright 52 * notice, this list of conditions and the following disclaimer in the 53 * documentation and/or other materials provided with the distribution. 54 * 3. All advertising materials mentioning features or use of this software 55 * must display the following acknowledgement: 56 * This product includes software developed by the University of 57 * California, Berkeley and its contributors. 58 * 4. Neither the name of the University nor the names of its contributors 59 * may be used to endorse or promote products derived from this software 60 * without specific prior written permission. 61 * 62 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 63 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 64 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 65 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 66 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 67 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 68 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 69 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 70 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 71 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 72 * SUCH DAMAGE. 73 * 74 * from: Utah $Hdr: machparam.h 1.16 92/12/20$ 75 * 76 * @(#)param.h 8.1 (Berkeley) 6/10/93 77 */ 78 79 #ifndef _MACHINE_PARAM_H_ 80 #define _MACHINE_PARAM_H_ 81 82 /* 83 * Machine dependent constants for NeXT machines 84 */ 85 #define _MACHINE next68k 86 #define MACHINE "next68k" 87 88 #define PGSHIFT 12 /* LOG2(NBPG) */ 89 #define KERNBASE 0x00000000 /* start of kernel virtual */ 90 91 #define SEGSHIFT 22 /* LOG2(NBSEG) */ 92 #if defined(M68030) && !defined(M68040) && !defined(M68060) 93 #define NBSEG (1 << SEGSHIFT) /* bytes/segment */ 94 #elif (defined(M68040) || defined(M68060)) && !defined(M68030) 95 #define NBSEG (32 * (1 << PGSHIFT)) 96 #else 97 #define NBSEG ((mmutype == MMU_68040) ? \ 98 (32 * (1 << PGSHIFT)) : (256 * (1 << PGSHIFT))) 99 #endif 100 #define SEGOFSET (NBSEG-1) /* byte offset into segment */ 101 102 #define UPAGES 3 /* pages of u-area */ 103 104 #include <m68k/param.h> 105 106 #define NPTEPG (NBPG/(sizeof (pt_entry_t))) 107 108 #ifdef _KERNEL 109 #include <machine/intr.h> 110 111 /* 112 * Minimum and maximum sizes of the kernel malloc arena in PAGE_SIZE-sized 113 * logical pages. 114 */ 115 #define NKMEMPAGES_MIN_DEFAULT ((4 * 1024 * 1024) >> PAGE_SHIFT) 116 #define NKMEMPAGES_MAX_DEFAULT ((4 * 1024 * 1024) >> PAGE_SHIFT) 117 118 #if !defined(_LOCORE) 119 #define delay(us) _delay((us) << 8) 120 #define DELAY(us) delay(us) 121 void _delay(u_int); 122 #endif /* !_LOCORE */ 123 #endif /* _KERNEL */ 124 125 #endif /* !_MACHINE_PARAM_H_ */ 126
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