1 /* $NetBSD: param.h,v 1.2 2002/04/08 14:08:26 simonb 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. 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 41 #ifndef _EVBMIPS_PARAM_H_ 42 #define _EVBMIPS_PARAM_H_ 43 44 /* 45 * Machine-dependent constants (VM, etc) common across MIPS cpus 46 */ 47 48 #include <mips/mips_param.h> 49 50 /* 51 * Machine dependent constants for MIPS evaluation boards. 52 */ 53 54 #if defined(__MIPSEB__) 55 #define _MACHINE_ARCH mipseb 56 #define MACHINE_ARCH "mipseb" 57 #elif defined(__MIPSEL__) 58 #define _MACHINE_ARCH mipsel 59 #define MACHINE_ARCH "mipsel" 60 #else 61 #error neither __MIPSEL__ nor __MIPSEB__ are defined. 62 #endif 63 64 #define _MACHINE evbmips 65 #define MACHINE "evbmips" 66 #define MID_MACHINE MID_PMAX /* XXX Bogus, but needed for now... */ 67 68 #define DEV_BSIZE 512 69 #define DEV_BSHIFT 9 /* log2(DEV_BSIZE) */ 70 #define BLKDEV_IOSIZE 2048 71 #define MAXPHYS (64 * 1024) /* max raw I/O transfer size */ 72 73 /* 74 * Constants related to network buffer management. 75 * MCLBYTES must be no larger than NBPG (the software page size), and, 76 * on machines that exchange pages of input or output buffers with mbuf 77 * clusters (MAPPED_MBUFS), MCLBYTES must also be an integral multiple 78 * of the hardware page size. 79 */ 80 #define MSIZE 256 /* size of an mbuf */ 81 82 #ifndef MCLSHIFT 83 # define MCLSHIFT 11 /* convert bytes to m_buf clusters */ 84 #endif /* MCLSHIFT */ 85 86 #define MCLBYTES (1 << MCLSHIFT) /* size of a m_buf cluster */ 87 #define MCLOFSET (MCLBYTES - 1) 88 89 #ifndef NMBCLUSTERS 90 #if defined(_KERNEL_OPT) 91 #include "opt_gateway.h" 92 #endif 93 94 #ifdef GATEWAY 95 #define NMBCLUSTERS 2048 /* map size, max cluster allocation */ 96 #else 97 #define NMBCLUSTERS 1024 /* map size, max cluster allocation */ 98 #endif 99 #endif 100 101 #ifdef _KERNEL 102 #ifndef _LOCORE 103 104 void delay(int n); 105 #define DELAY delay 106 107 #include <machine/intr.h> 108 109 #endif /* !_LOCORE */ 110 #endif /* _KERNEL */ 111 112 #endif /* !_EVBMIPS_PARAM_H_ */ 113