param.h revision 1.33 
1/*	$NetBSD: param.h,v 1.33 2019/04/07 03:42:31 thorpej Exp $	*/
2/*      $OpenBSD: param.h,v 1.9 1997/04/30 09:54:15 niklas Exp $ */
3
4/*
5 * Copyright (c) 1988 University of Utah.
6 * Copyright (c) 1992, 1993
7 *	The Regents of the University of California.  All rights reserved.
8 *
9 * This code is derived from software contributed to Berkeley by
10 * the Systems Programming Group of the University of Utah Computer
11 * Science Department and Ralph Campbell.
12 *
13 * Redistribution and use in source and binary forms, with or without
14 * modification, are permitted provided that the following conditions
15 * are met:
16 * 1. Redistributions of source code must retain the above copyright
17 *    notice, this list of conditions and the following disclaimer.
18 * 2. Redistributions in binary form must reproduce the above copyright
19 *    notice, this list of conditions and the following disclaimer in the
20 *    documentation and/or other materials provided with the distribution.
21 * 3. Neither the name of the University nor the names of its contributors
22 *    may be used to endorse or promote products derived from this software
23 *    without specific prior written permission.
24 *
25 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
28 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
29 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
31 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35 * SUCH DAMAGE.
36 *
37 *	from: Utah Hdr: machparam.h 1.11 89/08/14
38 *	from: @(#)param.h	8.1 (Berkeley) 6/10/93
39 */
40
41#ifndef _ARC_PARAM_H_
42#define _ARC_PARAM_H_
43
44/*
45 * Machine-dependent constants (VM, etc) common across MIPS cpus
46 */
47#define	_MACHINE	arc
48#define	MACHINE		"arc"
49
50#include <mips/mips_param.h>
51
52/*
53 * Machine dependent constants for ARC BIOS MIPS machines:
54 *	Acer Labs PICA_61
55 *	Deskstation rPC44
56 *	Deskstation Tyne
57 *	Etc
58 */
59#define	KERNBASE	0x80000000	/* start of kernel virtual */
60#define	BTOPKERNBASE	((u_long)KERNBASE >> PGSHIFT)
61
62/* bytes to disk blocks */
63#define	btodb(x)	((x) >> DEV_BSHIFT)
64#define dbtob(x)	((x) << DEV_BSHIFT)
65
66#ifdef _KERNEL
67#ifndef _LOCORE
68
69extern int cpuspeed;
70void delay(unsigned int n);
71
72#define	DELAY(n)	delay(n)
73
74#include <machine/intr.h>
75
76#endif /* _LOCORE */
77#endif /* _KERNEL */
78
79#endif /* _ARC_PARAM_H_ */
80