param.h revision 1.2.8.2
1 1.2.8.2 nathanw /* $NetBSD: param.h,v 1.2.8.2 2002/02/28 04:10:47 nathanw Exp $ */ 2 1.2.8.2 nathanw 3 1.2.8.2 nathanw /* 4 1.2.8.2 nathanw * Copyright (c) 1988 University of Utah. 5 1.2.8.2 nathanw * Copyright (c) 1992, 1993 6 1.2.8.2 nathanw * The Regents of the University of California. All rights reserved. 7 1.2.8.2 nathanw * 8 1.2.8.2 nathanw * This code is derived from software contributed to Berkeley by 9 1.2.8.2 nathanw * the Systems Programming Group of the University of Utah Computer 10 1.2.8.2 nathanw * Science Department and Ralph Campbell. 11 1.2.8.2 nathanw * 12 1.2.8.2 nathanw * Redistribution and use in source and binary forms, with or without 13 1.2.8.2 nathanw * modification, are permitted provided that the following conditions 14 1.2.8.2 nathanw * are met: 15 1.2.8.2 nathanw * 1. Redistributions of source code must retain the above copyright 16 1.2.8.2 nathanw * notice, this list of conditions and the following disclaimer. 17 1.2.8.2 nathanw * 2. Redistributions in binary form must reproduce the above copyright 18 1.2.8.2 nathanw * notice, this list of conditions and the following disclaimer in the 19 1.2.8.2 nathanw * documentation and/or other materials provided with the distribution. 20 1.2.8.2 nathanw * 3. All advertising materials mentioning features or use of this software 21 1.2.8.2 nathanw * must display the following acknowledgement: 22 1.2.8.2 nathanw * This product includes software developed by the University of 23 1.2.8.2 nathanw * California, Berkeley and its contributors. 24 1.2.8.2 nathanw * 4. Neither the name of the University nor the names of its contributors 25 1.2.8.2 nathanw * may be used to endorse or promote products derived from this software 26 1.2.8.2 nathanw * without specific prior written permission. 27 1.2.8.2 nathanw * 28 1.2.8.2 nathanw * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 29 1.2.8.2 nathanw * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 30 1.2.8.2 nathanw * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 31 1.2.8.2 nathanw * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 32 1.2.8.2 nathanw * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 33 1.2.8.2 nathanw * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 34 1.2.8.2 nathanw * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 35 1.2.8.2 nathanw * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 36 1.2.8.2 nathanw * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 37 1.2.8.2 nathanw * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 38 1.2.8.2 nathanw * SUCH DAMAGE. 39 1.2.8.2 nathanw * 40 1.2.8.2 nathanw * from: Utah Hdr: machparam.h 1.11 89/08/14 41 1.2.8.2 nathanw * 42 1.2.8.2 nathanw * @(#)param.h 8.1 (Berkeley) 6/10/93 43 1.2.8.2 nathanw */ 44 1.2.8.2 nathanw 45 1.2.8.2 nathanw /* 46 1.2.8.2 nathanw * Machine-dependent constants (VM, etc) common across MIPS cpus 47 1.2.8.2 nathanw */ 48 1.2.8.2 nathanw 49 1.2.8.2 nathanw #include <mips/mips_param.h> 50 1.2.8.2 nathanw 51 1.2.8.2 nathanw /* 52 1.2.8.2 nathanw * Machine dependent constants for Mips Corp. machines 53 1.2.8.2 nathanw */ 54 1.2.8.2 nathanw 55 1.2.8.2 nathanw #define _MACHINE_ARCH mipseb 56 1.2.8.2 nathanw #define MACHINE_ARCH "mipseb" 57 1.2.8.2 nathanw #define _MACHINE mipsco 58 1.2.8.2 nathanw #define MACHINE "mipsco" 59 1.2.8.2 nathanw #define MID_MACHINE MID_MIPS 60 1.2.8.2 nathanw 61 1.2.8.2 nathanw #define KERNBASE 0x80000000 /* start of kernel virtual */ 62 1.2.8.2 nathanw #define KERNTEXTOFF 0x80001000 /* start of kernel text for kvm_mkdb */ 63 1.2.8.2 nathanw #define BTOPKERNBASE ((u_long)KERNBASE >> PGSHIFT) 64 1.2.8.2 nathanw 65 1.2.8.2 nathanw #define DEV_BSIZE 512 66 1.2.8.2 nathanw #define DEV_BSHIFT 9 /* log2(DEV_BSIZE) */ 67 1.2.8.2 nathanw #define BLKDEV_IOSIZE 2048 68 1.2.8.2 nathanw #define MAXPHYS (64 * 1024) /* max raw I/O transfer size */ 69 1.2.8.2 nathanw 70 1.2.8.2 nathanw /* 71 1.2.8.2 nathanw * Constants related to network buffer management. 72 1.2.8.2 nathanw * MCLBYTES must be no larger than NBPG (the software page size), and, 73 1.2.8.2 nathanw * on machines that exchange pages of input or output buffers with mbuf 74 1.2.8.2 nathanw * clusters (MAPPED_MBUFS), MCLBYTES must also be an integral multiple 75 1.2.8.2 nathanw * of the hardware page size. 76 1.2.8.2 nathanw */ 77 1.2.8.2 nathanw #define MSIZE 256 /* size of an mbuf */ 78 1.2.8.2 nathanw 79 1.2.8.2 nathanw #ifndef MCLSHIFT 80 1.2.8.2 nathanw #define MCLSHIFT 11 /* convert bytes to m_buf clusters */ 81 1.2.8.2 nathanw /* 2K cluster can hold Ether frame */ 82 1.2.8.2 nathanw #endif /* MCLSHIFT */ 83 1.2.8.2 nathanw 84 1.2.8.2 nathanw #define MCLBYTES (1 << MCLSHIFT) /* size of a m_buf cluster */ 85 1.2.8.2 nathanw 86 1.2.8.2 nathanw #ifndef NMBCLUSTERS 87 1.2.8.2 nathanw #if defined(_KERNEL_OPT) 88 1.2.8.2 nathanw #include "opt_gateway.h" 89 1.2.8.2 nathanw #endif 90 1.2.8.2 nathanw 91 1.2.8.2 nathanw #ifdef GATEWAY 92 1.2.8.2 nathanw #define NMBCLUSTERS 2048 /* map size, max cluster allocation */ 93 1.2.8.2 nathanw #else 94 1.2.8.2 nathanw #define NMBCLUSTERS 1024 /* map size, max cluster allocation */ 95 1.2.8.2 nathanw #endif 96 1.2.8.2 nathanw #endif 97 1.2.8.2 nathanw 98 1.2.8.2 nathanw #include <machine/intr.h> 99 1.2.8.2 nathanw 100 1.2.8.2 nathanw #ifdef _KERNEL 101 1.2.8.2 nathanw #ifndef _LOCORE 102 1.2.8.2 nathanw 103 1.2.8.2 nathanw extern void delay __P((int n)); 104 1.2.8.2 nathanw extern int cpuspeed; 105 1.2.8.2 nathanw #define DELAY(n) { register int N = cpuspeed * (n); while (--N > 0); } 106 1.2.8.2 nathanw 107 1.2.8.2 nathanw #endif /* !_LOCORE */ 108 1.2.8.2 nathanw #endif /* _KERNEL */ 109
Indexes created Sun Oct 12 05:10:08 GMT 2025