param.h revision 1.7 
1/*	$NetBSD: param.h,v 1.7 2002/02/26 15:13:21 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#include <mips/mips_param.h>
42
43#define	_MACHINE_ARCH	mipsel
44#define	MACHINE_ARCH	"mipsel"
45#define	_MACHINE	cobalt
46#define	MACHINE		"cobalt"
47#define	MID_MACHINE	MID_MIPS
48
49#define	DEV_BSIZE	512
50#define	DEV_BSHIFT	9		/* log2(DEV_BSIZE) */
51#define BLKDEV_IOSIZE	2048
52#define	MAXPHYS		(64 * 1024)	/* Maximum raw I/O transfer size */
53
54/*
55 * Constants related to network buffer management.
56 * MCLBYTES must be no larger than NBPG (the software page size), and,
57 * on machines that exchange pages of input or output buffers with mbuf
58 * clusters (MAPPED_MBUFS), MCLBYTES must also be an integral multiple
59 * of the hardware page size.
60 */
61#define	MSIZE		256		/* size of an mbuf */
62
63#ifndef MCLSHIFT
64#define	MCLSHIFT	11		/* convert bytes to m_buf clusters */
65					/* 2K cluster can hold Ether frame */
66#endif	/* MCLSHIFT */
67
68#define	MCLBYTES	(1 << MCLSHIFT)	/* size of a m_buf cluster */
69
70#ifndef NMBCLUSTERS
71#if defined(_KERNEL_OPT)
72#include "opt_gateway.h"
73#endif
74
75#ifdef GATEWAY
76#define	NMBCLUSTERS	2048		/* Map size, max cluster allocation */
77#else
78#define	NMBCLUSTERS	1024		/* Map size, max cluster allocation */
79#endif
80#endif
81
82#ifdef _KERNEL
83#ifndef _LOCORE
84
85__inline extern void	delay(unsigned long);
86#define DELAY(n)	delay(n)
87
88#include <machine/intr.h>
89
90#endif	/* _LOCORE */
91#endif	/* _KERNEL */
92