param.h revision 1.1
1/* $NetBSD: param.h,v 1.1 2011/01/26 01:18:52 pooka Exp $ */ 2 3/* 4 * Copyright (c) 1992, 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 and Ralph Campbell. 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 1.11 89/08/14 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 and Ralph Campbell. 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 1.11 89/08/14 75 * 76 * @(#)param.h 8.1 (Berkeley) 6/10/93 77 */ 78 79#ifndef _EMIPS_PARAM_H_ 80#define _EMIPS_PARAM_H_ 81 82/* 83 * Machine-dependent constants (VM, etc) common across MIPS cpus 84 */ 85 86#include <mips/mips_param.h> 87 88/* 89 * Machine dependent constants for mips-based DECstations. 90 */ 91 92#define _MACHINE_ARCH mipseb 93#define MACHINE_ARCH "mipseb" 94#define _MACHINE emips 95#define MACHINE "emips" 96#define MID_MACHINE MID_MIPS 97 98#define DEV_BSIZE 512 99#define DEV_BSHIFT 9 /* log2(DEV_BSIZE) */ 100#define BLKDEV_IOSIZE 2048 101#define MAXPHYS (64 * 1024) /* max raw I/O transfer size */ 102 103/* 104 * Constants related to network buffer management. 105 * MCLBYTES must be no larger than NBPG (the software page size), and, 106 * on machines that exchange pages of input or output buffers with mbuf 107 * clusters (MAPPED_MBUFS), MCLBYTES must also be an integral multiple 108 * of the hardware page size. 109 */ 110#define MSIZE 256 /* size of an mbuf */ 111 112#ifndef MCLSHIFT 113#define MCLSHIFT 11 /* convert bytes to m_buf clusters */ 114 /* 2K cluster can hold Ether frame */ 115#endif /* MCLSHIFT */ 116 117#define MCLBYTES (1 << MCLSHIFT) /* size of a m_buf cluster */ 118 119#ifndef NMBCLUSTERS 120#if defined(_KERNEL_OPT) 121#include "opt_gateway.h" 122#endif 123 124#ifdef GATEWAY 125#define NMBCLUSTERS 2048 /* map size, max cluster allocation */ 126#else 127#define NMBCLUSTERS 1024 /* map size, max cluster allocation */ 128#endif 129#endif 130 131#ifdef _KERNEL 132#ifndef _LOCORE 133 134void delay __P((int n)); 135extern int cpuspeed; 136static __inline void __attribute__((__unused__)) 137DELAY(int n) 138{ 139 register int __N = cpuspeed * n; 140 141 do { 142 __asm("addiu %0,%1,-1" : "=r" (__N) : "0" (__N)); 143 } while (__N > 0); 144} 145 146#include <machine/intr.h> 147 148#endif /* !_LOCORE */ 149#endif /* _KERNEL */ 150 151#endif /* !_EMIPS_PARAM_H_ */ 152