1 /* $NetBSD: param.h,v 1.42 2002/11/03 19:56:28 chs 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 * 42 * @(#)param.h 8.1 (Berkeley) 6/10/93 43 */ 44 45 #ifndef _MACHINE_PARAM_H_ 46 #define _MACHINE_PARAM_H_ 47 48 /* 49 * Machine dependent constants for HP9000 series 300. 50 */ 51 #define _MACHINE hp300 52 #define MACHINE "hp300" 53 54 /* 55 * Interrupt glue. 56 */ 57 #include <machine/intr.h> 58 59 #define PGSHIFT 12 /* LOG2(NBPG) */ 60 #define KERNBASE 0x00000000 /* start of kernel virtual */ 61 62 #define SEGSHIFT 22 /* LOG2(NBSEG) */ 63 #if defined(M68030) && !defined(M68040) && !defined(M68060) 64 #define NBSEG (1 << SEGSHIFT) /* bytes/segment */ 65 #elif (defined(M68040) || defined(M68060)) && !defined(M68030) 66 #define NBSEG (32 * (1 << PGSHIFT)) 67 #else 68 #define NBSEG ((mmutype == MMU_68040) ? \ 69 (32 * (1 << PGSHIFT)) : (256 * (1 << PGSHIFT))) 70 #endif 71 #define SEGOFSET (NBSEG-1) /* byte offset into segment */ 72 73 #define UPAGES 2 /* pages of u-area */ 74 75 #include <m68k/param.h> 76 77 #define NPTEPG (NBPG/(sizeof (pt_entry_t))) 78 79 /* 80 * Minimum and maximum sizes of the kernel malloc arena in PAGE_SIZE-sized 81 * logical pages. 82 */ 83 #define NKMEMPAGES_MIN_DEFAULT ((6 * 1024 * 1024) >> PAGE_SHIFT) 84 #define NKMEMPAGES_MAX_DEFAULT ((8 * 1024 * 1024) >> PAGE_SHIFT) 85 86 #if defined(_KERNEL) && !defined(_LOCORE) 87 #define delay(us) _delay((us) << 8) 88 #define DELAY(us) delay(us) 89 90 void _delay __P((u_int)); 91 #endif /* _KERNEL && !_LOCORE */ 92 93 #if defined(_KERNEL_OPT) 94 #include "opt_compat_hpux.h" 95 #endif 96 97 #ifdef COMPAT_HPUX 98 /* 99 * Constants/macros for HPUX multiple mapping of user address space. 100 * Pages in the first 256Mb are mapped in at every 256Mb segment. 101 */ 102 #define HPMMMASK 0xF0000000 103 #define ISHPMMADDR(v) \ 104 ((curproc->p_md.md_flags & MDP_HPUXMMAP) && \ 105 ((unsigned)(v) & HPMMMASK) && \ 106 ((unsigned)(v) & HPMMMASK) != HPMMMASK) 107 #define HPMMBASEADDR(v) \ 108 ((unsigned)(v) & ~HPMMMASK) 109 #endif 110 111 #endif /* !_MACHINE_PARAM_H_ */ 112