1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
|
/* $OpenBSD: param.h,v 1.38 2013/03/23 16:12:28 deraadt Exp $ */
/*-
* Copyright (c) 1990 The Regents of the University of California.
* All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* William Jolitz.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef _MACHINE_PARAM_H_
#define _MACHINE_PARAM_H_
#define _MACHINE vax
#define MACHINE "vax"
#define _MACHINE_ARCH vax
#define MACHINE_ARCH "vax"
#define MID_MACHINE MID_VAX
#define ALIGNBYTES _ALIGNBYTES
#define ALIGN(p) _ALIGN(p)
#define ALIGNED_POINTER(p,t) _ALIGNED_POINTER(p,t)
#define PAGE_SHIFT 12
#define PAGE_SIZE (1 << PAGE_SHIFT)
#define PAGE_MASK (PAGE_SIZE - 1)
#define PGSHIFT PAGE_SHIFT /* LOG2(PAGE_SIZE) */
#define PGOFSET PAGE_MASK /* byte offset into page */
#define VAX_PGSHIFT 9
#define VAX_NBPG (1 << VAX_PGSHIFT)
#define VAX_PGOFSET (VAX_NBPG - 1)
#define VAX_NPTEPG (VAX_NBPG / 4)
#define KERNBASE 0x80000000 /* start of kernel virtual */
#ifdef _KERNEL
#define NBPG PAGE_SIZE /* bytes/page */
#define UPAGES 2 /* pages of u-area */
#define USPACE (UPAGES * PAGE_SIZE)
#define USPACE_ALIGN (0) /* u-area alignment 0-none */
#define REDZONEADDR (VAX_NBPG*3) /* Must be > sizeof(struct user) */
#define NMBCLUSTERS 768 /* map size, max cluster allocation */
#ifndef MSGBUFSIZE
#define MSGBUFSIZE (2 * PAGE_SIZE) /* default message buffer size */
#endif
/*
* Maximum size of the kernel malloc arena in PAGE_SIZE-sized
* logical pages.
*/
#define NKMEMPAGES_MAX_DEFAULT ((4 * 1024 * 1024) >> PAGE_SHIFT)
/* MD conversion macros */
#define vax_atop(x) (((unsigned)(x) + VAX_PGOFSET) >> VAX_PGSHIFT)
#define vax_btop(x) (((unsigned)(x)) >> VAX_PGSHIFT)
#define ovbcopy(x,y,z) bcopy(x, y, z)
#include <machine/intr.h>
/* Prototype needed for delay() */
#ifndef _LOCORE
#include <machine/cpu.h>
void delay(int);
/* inline macros used inside kernel */
#include <machine/macros.h>
#endif
#define DELAY(x) delay(x)
#endif /* _KERNEL */
#endif /* _MACHINE_PARAM_H_ */
|
