1/* $NetBSD: param.h,v 1.4 2019/01/07 22:00:31 jdolecek Exp $ */ 2 3/* 4 * Copyright (c) 1988 University of Utah. 5 * Copyright (c) 1992, 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 and Ralph Campbell. 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. Neither the name of the University nor the names of its contributors 21 * may be used to endorse or promote products derived from this software 22 * without specific prior written permission. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34 * SUCH DAMAGE. 35 * 36 * from: Utah Hdr: machparam.h 1.11 89/08/14 37 * 38 * @(#)param.h 8.1 (Berkeley) 6/10/93 39 */ 40 41#ifndef _EMIPS_PARAM_H_ 42#define _EMIPS_PARAM_H_ 43 44/* 45 * Machine dependent constants for mips-based DECstations. 46 */ 47 48#define _MACHINE emips 49#define MACHINE "emips" 50 51#include <mips/mips_param.h> 52 53/* 54 * Constants related to network buffer management. 55 * MCLBYTES must be no larger than NBPG (the software page size), and, 56 * on machines that exchange pages of input or output buffers with mbuf 57 * clusters (MAPPED_MBUFS), MCLBYTES must also be an integral multiple 58 * of the hardware page size. 59 */ 60#define MSIZE 256 /* size of an mbuf */ 61 62#ifndef MCLSHIFT 63#define MCLSHIFT 11 /* convert bytes to m_buf clusters */ 64 /* 2K cluster can hold Ether frame */ 65#endif /* MCLSHIFT */ 66 67#define MCLBYTES (1 << MCLSHIFT) /* size of a m_buf cluster */ 68 69#ifndef NMBCLUSTERS 70#if defined(_KERNEL_OPT) 71#include "opt_gateway.h" 72#endif 73 74#ifdef GATEWAY 75#define NMBCLUSTERS 2048 /* map size, max cluster allocation */ 76#else 77#define NMBCLUSTERS 1024 /* map size, max cluster allocation */ 78#endif 79#endif 80 81#ifdef _KERNEL 82#ifndef _LOCORE 83 84void delay __P((int n)); 85extern int cpuspeed; 86static __inline void __attribute__((__unused__)) 87DELAY(int n) 88{ 89 register int __N = cpuspeed * n; 90 91 do { 92 __asm("addiu %0,%1,-1" : "=r" (__N) : "0" (__N)); 93 } while (__N > 0); 94} 95 96#include <machine/intr.h> 97 98#endif /* !_LOCORE */ 99#endif /* _KERNEL */ 100 101#endif /* !_EMIPS_PARAM_H_ */ 102