param.h revision 1.2.2.2
1 1.2.2.2 bouyer /* $NetBSD: param.h,v 1.2.2.2 2000/11/20 19:59:46 bouyer Exp $ */ 2 1.2.2.2 bouyer 3 1.2.2.2 bouyer /* 4 1.2.2.2 bouyer * Copyright (c) 1988 University of Utah. 5 1.2.2.2 bouyer * Copyright (c) 1982, 1986, 1990 The Regents of the University of California. 6 1.2.2.2 bouyer * All rights reserved. 7 1.2.2.2 bouyer * 8 1.2.2.2 bouyer * This code is derived from software contributed to Berkeley by 9 1.2.2.2 bouyer * the Systems Programming Group of the University of Utah Computer 10 1.2.2.2 bouyer * Science Department. 11 1.2.2.2 bouyer * 12 1.2.2.2 bouyer * Redistribution and use in source and binary forms, with or without 13 1.2.2.2 bouyer * modification, are permitted provided that the following conditions 14 1.2.2.2 bouyer * are met: 15 1.2.2.2 bouyer * 1. Redistributions of source code must retain the above copyright 16 1.2.2.2 bouyer * notice, this list of conditions and the following disclaimer. 17 1.2.2.2 bouyer * 2. Redistributions in binary form must reproduce the above copyright 18 1.2.2.2 bouyer * notice, this list of conditions and the following disclaimer in the 19 1.2.2.2 bouyer * documentation and/or other materials provided with the distribution. 20 1.2.2.2 bouyer * 3. All advertising materials mentioning features or use of this software 21 1.2.2.2 bouyer * must display the following acknowledgement: 22 1.2.2.2 bouyer * This product includes software developed by the University of 23 1.2.2.2 bouyer * California, Berkeley and its contributors. 24 1.2.2.2 bouyer * 4. Neither the name of the University nor the names of its contributors 25 1.2.2.2 bouyer * may be used to endorse or promote products derived from this software 26 1.2.2.2 bouyer * without specific prior written permission. 27 1.2.2.2 bouyer * 28 1.2.2.2 bouyer * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 29 1.2.2.2 bouyer * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 30 1.2.2.2 bouyer * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 31 1.2.2.2 bouyer * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 32 1.2.2.2 bouyer * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 33 1.2.2.2 bouyer * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 34 1.2.2.2 bouyer * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 35 1.2.2.2 bouyer * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 36 1.2.2.2 bouyer * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 37 1.2.2.2 bouyer * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 38 1.2.2.2 bouyer * SUCH DAMAGE. 39 1.2.2.2 bouyer * 40 1.2.2.2 bouyer * from: Utah $Hdr: machparam.h 1.11 89/08/14$ 41 1.2.2.2 bouyer * 42 1.2.2.2 bouyer * @(#)param.h 7.8 (Berkeley) 6/28/91 43 1.2.2.2 bouyer */ 44 1.2.2.2 bouyer 45 1.2.2.2 bouyer #ifndef _MACHINE_PARAM_H_ 46 1.2.2.2 bouyer #define _MACHINE_PARAM_H_ 47 1.2.2.2 bouyer 48 1.2.2.2 bouyer #ifdef _KERNEL 49 1.2.2.2 bouyer #ifndef _LOCORE 50 1.2.2.2 bouyer #include <machine/cpu.h> 51 1.2.2.2 bouyer #endif /* _LOCORE */ 52 1.2.2.2 bouyer #endif 53 1.2.2.2 bouyer 54 1.2.2.2 bouyer /* 55 1.2.2.2 bouyer * Machine dependent constants for Amiga PowerPC (32-bit only currently) 56 1.2.2.2 bouyer */ 57 1.2.2.2 bouyer #define MACHINE "amigappc" 58 1.2.2.2 bouyer #define MACHINE_ARCH "powerpc" 59 1.2.2.2 bouyer #define MID_MACHINE MID_POWERPC 60 1.2.2.2 bouyer 61 1.2.2.2 bouyer #define ALIGNBYTES (sizeof(double) - 1) 62 1.2.2.2 bouyer #define ALIGN(p) (((u_int)(p) + ALIGNBYTES) & ~ALIGNBYTES) 63 1.2.2.2 bouyer #define ALIGNED_POINTER(p,t) ((((u_long)(p)) & (sizeof(t)-1)) == 0) 64 1.2.2.2 bouyer 65 1.2.2.2 bouyer #define PGSHIFT 12 66 1.2.2.2 bouyer #define NBPG (1 << PGSHIFT) /* Page size */ 67 1.2.2.2 bouyer #define PGOFSET (NBPG - 1) 68 1.2.2.2 bouyer 69 1.2.2.2 bouyer #define DEV_BSHIFT 9 /* log2(DEV_BSIZE) */ 70 1.2.2.2 bouyer #define DEV_BSIZE (1 << DEV_BSHIFT) 71 1.2.2.2 bouyer #define BLKDEV_IOSIZE NBPG 72 1.2.2.2 bouyer #define MAXPHYS (64 * 1024) /* max raw I/O transfer size */ 73 1.2.2.2 bouyer 74 1.2.2.2 bouyer #define UPAGES 4 75 1.2.2.2 bouyer #define USPACE (UPAGES * NBPG) 76 1.2.2.2 bouyer 77 1.2.2.2 bouyer #ifndef MSGBUFSIZE 78 1.2.2.2 bouyer #define MSGBUFSIZE NBPG /* default message buffer size */ 79 1.2.2.2 bouyer #endif 80 1.2.2.2 bouyer 81 1.2.2.2 bouyer #define KERNBASE 0x00000000 /* start of kernel virtual */ 82 1.2.2.2 bouyer 83 1.2.2.2 bouyer /* 84 1.2.2.2 bouyer * Constants related to network buffer management. 85 1.2.2.2 bouyer * MCLBYTES must be no larger than NBPG (the software page size), and, 86 1.2.2.2 bouyer * on machines that exchange pages of input or output buffers with mbuf 87 1.2.2.2 bouyer * clusters (MAPPED_MBUFS), MCLBYTES must also be an integral multiple 88 1.2.2.2 bouyer * of the hardware page size. 89 1.2.2.2 bouyer */ 90 1.2.2.2 bouyer #define MSIZE 256 /* size of an mbuf */ 91 1.2.2.2 bouyer #define MCLSHIFT 11 /* convert bytes to m_buf clusters */ 92 1.2.2.2 bouyer #define MCLBYTES (1 << MCLSHIFT) /* size of a m_buf cluster */ 93 1.2.2.2 bouyer 94 1.2.2.2 bouyer #ifndef NMBCLUSTERS 95 1.2.2.2 bouyer 96 1.2.2.2 bouyer #if defined(_KERNEL) && !defined(_LKM) 97 1.2.2.2 bouyer #include "opt_gateway.h" 98 1.2.2.2 bouyer #endif /* _KERNEL && ! _LKM */ 99 1.2.2.2 bouyer 100 1.2.2.2 bouyer #ifdef GATEWAY 101 1.2.2.2 bouyer #define NMBCLUSTERS 512 /* map size, max cluster allocation */ 102 1.2.2.2 bouyer #else 103 1.2.2.2 bouyer #define NMBCLUSTERS 256 /* map size, max cluster allocation */ 104 1.2.2.2 bouyer #endif 105 1.2.2.2 bouyer #endif 106 1.2.2.2 bouyer 107 1.2.2.2 bouyer /* 108 1.2.2.2 bouyer * Minimum and maximum sizes of the kernel malloc arena in PAGE_SIZE-sized 109 1.2.2.2 bouyer * logical pages. 110 1.2.2.2 bouyer */ 111 1.2.2.2 bouyer #define NKMEMPAGES_MIN_DEFAULT ((128 * 1024 * 1024) >> PAGE_SHIFT) 112 1.2.2.2 bouyer #define NKMEMPAGES_MAX_DEFAULT ((128 * 1024 * 1024) >> PAGE_SHIFT) 113 1.2.2.2 bouyer 114 1.2.2.2 bouyer /* 115 1.2.2.2 bouyer * pages ("clicks") to disk blocks 116 1.2.2.2 bouyer */ 117 1.2.2.2 bouyer #define ctod(x) ((x) << (PGSHIFT - DEV_BSHIFT)) 118 1.2.2.2 bouyer #define dtoc(x) ((x) >> (PGSHIFT - DEV_BSHIFT)) 119 1.2.2.2 bouyer /* 120 1.2.2.2 bouyer * bytes to pages 121 1.2.2.2 bouyer */ 122 1.2.2.2 bouyer #define ctob(x) ((x) << PGSHIFT) 123 1.2.2.2 bouyer #define btoc(x) (((x) + PGOFSET) >> PGSHIFT) 124 1.2.2.2 bouyer 125 1.2.2.2 bouyer /* 126 1.2.2.2 bouyer * bytes to disk blocks 127 1.2.2.2 bouyer */ 128 1.2.2.2 bouyer #define dbtob(x) ((x) << DEV_BSHIFT) 129 1.2.2.2 bouyer #define btodb(x) ((x) >> DEV_BSHIFT) 130 1.2.2.2 bouyer 131 1.2.2.2 bouyer /* 132 1.2.2.2 bouyer * Segment handling stuff 133 1.2.2.2 bouyer */ 134 1.2.2.2 bouyer #define SEGMENT_LENGTH 0x10000000 135 1.2.2.2 bouyer #define SEGMENT_MASK 0xf0000000 136 1.2.2.2 bouyer 137 1.2.2.2 bouyer /* 138 1.2.2.2 bouyer * Fixed segments 139 1.2.2.2 bouyer */ 140 1.2.2.2 bouyer #define USER_SR 13 141 1.2.2.2 bouyer #define KERNEL_SR 14 142 1.2.2.2 bouyer #define KERNEL_SEGMENT (0xf0000 + KERNEL_SR) 143 1.2.2.2 bouyer #define EMPTY_SEGMENT 0xfffff0 144 1.2.2.2 bouyer #define USER_ADDR ((void *)(USER_SR << ADDR_SR_SHFT)) 145 1.2.2.2 bouyer 146 1.2.2.2 bouyer /* 147 1.2.2.2 bouyer * Some system constants 148 1.2.2.2 bouyer */ 149 1.2.2.2 bouyer #ifndef NPMAPS 150 1.2.2.2 bouyer #define NPMAPS 32768 /* Number of pmaps in system */ 151 1.2.2.2 bouyer #endif 152 1.2.2.2 bouyer 153 1.2.2.2 bouyer #ifdef _KERNEL 154 1.2.2.2 bouyer /* 155 1.2.2.2 bouyer * point to the custom.intenar and custom.intenaw respectively. 156 1.2.2.2 bouyer extern volatile unsigned short *amiga_intena_read, *amiga_intena_write; 157 1.2.2.2 bouyer */ 158 1.2.2.2 bouyer 159 1.2.2.2 bouyer /* ADAM: redefiniton of cpu.h */ 160 1.2.2.2 bouyer /* 161 1.2.2.2 bouyer #ifndef _LOCORE 162 1.2.2.2 bouyer void delay __P((int)); 163 1.2.2.2 bouyer void DELAY __P((int)); 164 1.2.2.2 bouyer #endif*/ /* !_LOCORE */ 165 1.2.2.2 bouyer #endif /* _KERNEL */ 166 1.2.2.2 bouyer 167 1.2.2.2 bouyer #endif /* def _MACHINE_PARAM_H_ */ 168
Indexes created Tue Oct 21 12:09:54 GMT 2025