1/*	$OpenBSD: param.h,v 1.22 2023/12/14 13:26:49 claudio Exp $ */
2
3/*
4 * Copyright (c) 1999 Steve Murphree, Jr.
5 * Copyright (c) 1988 University of Utah.
6 * Copyright (c) 1982, 1986, 1990 The Regents of the University of California.
7 * 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.
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
38#ifndef	_M88K_PARAM_H_
39#define	_M88K_PARAM_H_
40
41#ifdef _KERNEL
42#ifndef _LOCORE
43#include <machine/cpu.h>
44#endif	/* _LOCORE */
45#endif
46
47#define	_MACHINE_ARCH  m88k
48#define	MACHINE_ARCH   "m88k"
49#define	MID_MACHINE    MID_M88K
50
51#define	PAGE_SHIFT	12
52#define	PAGE_SIZE	(1 << PAGE_SHIFT)
53#define	PAGE_MASK	(PAGE_SIZE - 1)
54
55#define	NPTEPG		(PAGE_SIZE / (sizeof(pt_entry_t)))
56
57#ifdef _KERNEL
58
59#define	NBPG		PAGE_SIZE
60#define	PGSHIFT		PAGE_SHIFT
61#define	PGOFSET		PAGE_MASK
62
63#define	UPAGES		2			/* pages of u-area */
64#define	USPACE		(UPAGES * PAGE_SIZE)	/* total size of u-area */
65#define	USPACE_ALIGN	0			/* u-area alignment 0-none */
66
67#define	NMBCLUSTERS	(8 * 1024)		/* max cluster allocation */
68
69#ifndef MSGBUFSIZE
70#define	MSGBUFSIZE	PAGE_SIZE
71#endif
72
73/*
74 * Get interrupt glue.
75 */
76#include <machine/intr.h>
77
78#define	DELAY(x)	delay(x)
79
80#if !defined(_LOCORE)
81extern void delay(int);
82extern int cputyp;
83#endif
84
85/*
86 * Values for the cputyp variable.
87 */
88#define CPU_88100	0x00
89#define CPU_88110	0x01
90
91#ifdef M88100
92#ifdef M88110
93#define	CPU_IS88100	(cputyp == CPU_88100)
94#define	CPU_IS88110	(cputyp != CPU_88100)
95#else
96#define	CPU_IS88100	1
97#define	CPU_IS88110	0
98#endif
99#else
100#define	CPU_IS88100	0
101#define	CPU_IS88110	1
102#endif
103
104#endif	/* _KERNEL */
105
106#endif /* _M88K_PARAM_H_ */
107