1/*	$NetBSD: param.h,v 1.50 2015/11/12 12:01:53 phx Exp $	*/
2
3/*
4 * Copyright (c) 1988 University of Utah.
5 * Copyright (c) 1982, 1986, 1990 The Regents of the University of California.
6 * 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.
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. Neither the name of the University nor the names of its contributors
21 *    may be used to endorse or promote products derived from this software
22 *    without specific prior written permission.
23 *
24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 * SUCH DAMAGE.
35 *
36 * from: Utah $Hdr: machparam.h 1.11 89/08/14$
37 *
38 *	@(#)param.h	7.8 (Berkeley) 6/28/91
39 */
40
41#ifndef	_MACHINE_PARAM_H_
42#define	_MACHINE_PARAM_H_
43
44/*
45 * Machine dependent constants for amiga
46 */
47#define	_MACHINE	amiga
48#define	MACHINE		"amiga"
49
50#define	PGSHIFT		13		/* LOG2(NBPG) */
51#define	KERNBASE	0x00000000	/* start of kernel virtual */
52
53#define	UPAGES		2		/* pages of u-area */
54
55#include <m68k/param.h>
56
57#define	NPTEPG		(NBPG/(sizeof (pt_entry_t)))
58
59/* We need the same btop macro in device drivers for m68k and powerpc */
60#define MD_BTOP(pa)	m68k_btop(pa)
61
62/*
63 * Minimum and maximum sizes of the kernel malloc arena in PAGE_SIZE-sized
64 * logical pages.
65 */
66#define	NKMEMPAGES_MIN_DEFAULT	((8 * 1024 * 1024) >> PAGE_SHIFT)
67#define	NKMEMPAGES_MAX_DEFAULT	((128 * 1024 * 1024) >> PAGE_SHIFT)
68
69#ifdef	_KERNEL
70/*
71 * spl functions; all are normally done in-line
72 */
73#include <machine/intr.h>
74
75/*
76 * point to the custom.intenar and custom.intenaw respectively.
77 */
78extern volatile unsigned short *amiga_intena_read, *amiga_intena_write;
79
80#ifndef	_LOCORE
81void delay(unsigned int);
82#define	DELAY(x)	delay(x)
83#endif	/* !_LOCORE */
84#endif	/* _KERNEL */
85
86#endif	/* !_MACHINE_PARAM_H_ */
87