1/*	$NetBSD: param.h,v 1.3 2009/01/14 23:14:48 bjh21 Exp $	*/
2
3/*
4 * Copyright (c) 1994,1995 Mark Brinicombe.
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 * 3. All advertising materials mentioning features or use of this software
16 *    must display the following acknowledgement:
17 *	This product includes software developed by the RiscBSD team.
18 * 4. The name "RiscBSD" nor the name of the author may be used to
19 *    endorse or promote products derived from this software without specific
20 *    prior written permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY RISCBSD ``AS IS'' AND ANY EXPRESS OR IMPLIED
23 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
24 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
25 * IN NO EVENT SHALL RISCBSD OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
26 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
27 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
28 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 * SUCH DAMAGE.
33 */
34
35#ifndef	_ARM26_PARAM_H_
36#define	_ARM26_PARAM_H_
37
38#ifdef _KERNEL
39#include <machine/cpu.h>  /* XXX why? */
40#include <machine/intr.h> /* XXX for spl(9) */
41#endif
42
43#define	_MACHINE	acorn26
44#define	MACHINE		"acorn26"
45
46#define POOL_SUBPAGE 4096
47
48#define	PGSHIFT		15		/* LOG2(NBPG) */
49#define	NBPG		(1 << PGSHIFT)	/* bytes/page */
50#define	PGOFSET		(NBPG-1)	/* byte offset into page */
51
52#define SSIZE           1               /* initial stack size/NBPG */
53#define SINCR           1               /* increment of stack/NBPG */
54#define UPAGES          1               /* pages of u-area */
55#define USPACE          (UPAGES * NBPG) /* total size of u-area */
56
57#ifndef MSGBUFSIZE
58#define MSGBUFSIZE	NBPG		/* default message buffer size */
59#endif
60
61/*
62 * Defaults for lower- and upper-bounds for the kmem_map page count.
63 * Can be overridden by kernel config options.
64 */
65#define NKMEMPAGES_MIN_DEFAULT 0
66#define NKMEMPAGES_MAX_DEFAULT 32
67
68/*
69 * Reduce UBC KVM usage from its default (8Mb when I looked).
70 * Also make sure the window size is at least the page size.
71 */
72#ifndef UBC_WINSHIFT
73#define UBC_WINSHIFT PGSHIFT
74#endif
75#ifndef UBC_NWINS
76#define UBC_NWINS 32
77#endif
78
79#ifdef _KERNEL
80#ifndef _LOCORE
81void delay(unsigned);
82#define DELAY(x)	delay(x)
83#endif
84#define	MAXEXEC		1
85#endif
86
87#include <arm/param.h>
88
89#endif	/* _ARM_PARAM_H_ */
90