1 /* $NetBSD: param.h,v 1.40 2002/05/18 23:00:32 jklos Exp $ */ 2 3 /* 4 * Copyright (c) 1988 University of Utah. 5 * Copyright (c) 1982, 1986, 1990 The Regents of the University of California. 6 * 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 $Hdr: machparam.h 1.11 89/08/14$ 41 * 42 * @(#)param.h 7.8 (Berkeley) 6/28/91 43 */ 44 45 #ifndef _MACHINE_PARAM_H_ 46 #define _MACHINE_PARAM_H_ 47 48 /* 49 * Machine dependent constants for amiga 50 */ 51 #define _MACHINE amiga 52 #define MACHINE "amiga" 53 54 #define PGSHIFT 13 /* LOG2(NBPG) */ 55 #define KERNBASE 0x00000000 /* start of kernel virtual */ 56 57 #define SEGSHIFT 24 /* LOG2(NBSEG) [68030 value] */ 58 /* bytes/segment */ 59 /* (256 * (1 << PGSHIFT)) == (1 << SEGSHIFT) */ 60 #define NBSEG ((mmutype == MMU_68040) \ 61 ? (32 * (1 << PGSHIFT)) : (256 * (1 << PGSHIFT))) 62 #define SEGOFSET (NBSEG-1) /* byte offset into segment */ 63 64 #define UPAGES 2 /* pages of u-area */ 65 66 #include <m68k/param.h> 67 68 #define NPTEPG (NBPG/(sizeof (pt_entry_t))) 69 70 /* 71 * Minimum and maximum sizes of the kernel malloc arena in PAGE_SIZE-sized 72 * logical pages. 73 */ 74 #define NKMEMPAGES_MIN_DEFAULT ((3 * 1024 * 1024) >> PAGE_SHIFT) 75 #define NKMEMPAGES_MAX_DEFAULT ((128 * 1024 * 1024) >> PAGE_SHIFT) 76 77 /* 78 * spl functions; all are normally done in-line 79 */ 80 #include <machine/psl.h> 81 82 #ifdef _KERNEL 83 /* 84 * point to the custom.intenar and custom.intenaw respectively. 85 */ 86 extern volatile unsigned short *amiga_intena_read, *amiga_intena_write; 87 88 #ifndef _LOCORE 89 void delay __P((int)); 90 void DELAY __P((int)); 91 #endif /* !_LOCORE */ 92 #endif /* _KERNEL */ 93 94 #endif /* !_MACHINE_PARAM_H_ */ 95