param.h revision 1.1 1 1.1 thorpej /* $NetBSD: param.h,v 1.1 2024/01/02 07:41:01 thorpej Exp $ */
2 1.1 thorpej
3 1.1 thorpej /*
4 1.1 thorpej * Copyright (c) 1988 University of Utah.
5 1.1 thorpej * Copyright (c) 1982, 1986, 1990, 1993
6 1.1 thorpej * The Regents of the University of California. All rights reserved.
7 1.1 thorpej *
8 1.1 thorpej * This code is derived from software contributed to Berkeley by
9 1.1 thorpej * the Systems Programming Group of the University of Utah Computer
10 1.1 thorpej * Science Department.
11 1.1 thorpej *
12 1.1 thorpej * Redistribution and use in source and binary forms, with or without
13 1.1 thorpej * modification, are permitted provided that the following conditions
14 1.1 thorpej * are met:
15 1.1 thorpej * 1. Redistributions of source code must retain the above copyright
16 1.1 thorpej * notice, this list of conditions and the following disclaimer.
17 1.1 thorpej * 2. Redistributions in binary form must reproduce the above copyright
18 1.1 thorpej * notice, this list of conditions and the following disclaimer in the
19 1.1 thorpej * documentation and/or other materials provided with the distribution.
20 1.1 thorpej * 3. Neither the name of the University nor the names of its contributors
21 1.1 thorpej * may be used to endorse or promote products derived from this software
22 1.1 thorpej * without specific prior written permission.
23 1.1 thorpej *
24 1.1 thorpej * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25 1.1 thorpej * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26 1.1 thorpej * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27 1.1 thorpej * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28 1.1 thorpej * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29 1.1 thorpej * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30 1.1 thorpej * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31 1.1 thorpej * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32 1.1 thorpej * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33 1.1 thorpej * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 1.1 thorpej * SUCH DAMAGE.
35 1.1 thorpej *
36 1.1 thorpej * from: Utah $Hdr: machparam.h 1.16 92/12/20$
37 1.1 thorpej *
38 1.1 thorpej * @(#)param.h 8.1 (Berkeley) 6/10/93
39 1.1 thorpej */
40 1.1 thorpej
41 1.1 thorpej #ifndef _MACHINE_PARAM_H_
42 1.1 thorpej #define _MACHINE_PARAM_H_
43 1.1 thorpej
44 1.1 thorpej /*
45 1.1 thorpej * Machine dependent constants for virt68k.
46 1.1 thorpej */
47 1.1 thorpej #define _MACHINE virt68k
48 1.1 thorpej #define MACHINE "virt68k"
49 1.1 thorpej
50 1.1 thorpej #ifdef _KERNEL
51 1.1 thorpej /*
52 1.1 thorpej * Grab the interrupt definitions
53 1.1 thorpej */
54 1.1 thorpej #include <machine/intr.h>
55 1.1 thorpej #endif /* _KERNEL */
56 1.1 thorpej
57 1.1 thorpej #define PGSHIFT 12 /* LOG2(NBPG) */
58 1.1 thorpej #define KERNBASE 0x00000000 /* start of kernel virtual */
59 1.1 thorpej
60 1.1 thorpej #define UPAGES 2 /* pages of u-area */
61 1.1 thorpej
62 1.1 thorpej #define MSGBUFSIZE 0x2000 /* 8KB of space before kernel text */
63 1.1 thorpej
64 1.1 thorpej #include <m68k/param.h>
65 1.1 thorpej
66 1.1 thorpej #define NPTEPG (NBPG/(sizeof (pt_entry_t)))
67 1.1 thorpej
68 1.1 thorpej /*
69 1.1 thorpej * Minimum and maximum sizes of the kernel malloc arena in PAGE_SIZE-sized
70 1.1 thorpej * logical pages.
71 1.1 thorpej */
72 1.1 thorpej #define NKMEMPAGES_MIN_DEFAULT ((16 * 1024 * 1024) >> PAGE_SHIFT)
73 1.1 thorpej #define NKMEMPAGES_MAX_DEFAULT ((128 * 1024 * 1024) >> PAGE_SHIFT)
74 1.1 thorpej
75 1.1 thorpej #if defined(_KERNEL) && !defined(_LOCORE)
76 1.1 thorpej extern void delay(unsigned int);
77 1.1 thorpej #define DELAY(n) delay(n)
78 1.1 thorpej #endif /* _KERNEL && !_LOCORE */
79 1.1 thorpej
80 1.1 thorpej #endif /* !_MACHINE_PARAM_H_ */
81