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 
69 extern int cpuspeed;
70 void 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