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
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
|
/* $OpenBSD: param.h,v 1.13 2013/03/26 05:04:10 deraadt Exp $ */
/*
* Copyright (c) 1992, 1993
* The Regents of the University of California. All rights reserved.
*
* This software was developed by the Computer Systems Engineering group
* at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
* contributed to Berkeley.
*
* All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Lawrence Berkeley Laboratory.
*
* 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_
#ifdef _KERNEL /* XXX */
#ifndef _LOCORE /* XXX */
#include <machine/cpu.h> /* XXX */
#endif /* XXX */
#endif /* XXX */
#define _MACHINE solbourne
#define MACHINE "solbourne"
#define _MACHINE_ARCH sparc
#define MACHINE_ARCH "sparc"
#define MID_MACHINE MID_SPARC
#define SUN4_PGSHIFT 13 /* for a sun4 machine */
#define SUN4CM_PGSHIFT 12 /* for a sun4c or sun4m machine */
#define PAGE_SHIFT SUN4_PGSHIFT
#define PAGE_SIZE (1 << PAGE_SHIFT)
#define PAGE_MASK (PAGE_SIZE - 1)
#define KERNBASE 0xfd080000
#ifdef _KERNEL
#define KERNTEXTOFF 0xfd084000 /* start of kernel text */
#define MSGBUF_PA PTW1_TO_PHYS(KERNBASE) /* msgbuf physical address */
#define NBPG PAGE_SIZE /* bytes/page */
#define PGSHIFT PAGE_SHIFT /* LOG2(PAGE_SIZE) */
#define PGOFSET PAGE_MASK /* byte offset into page */
#define UPAGES 1
#define USPACE 8192 /* total size of u-area */
#define USPACE_ALIGN 0 /* u-area alignment 0-none */
#define NMBCLUSTERS 2048 /* map size, max cluster allocation */
#define MSGBUFSIZE (1 * PAGE_SIZE) /* larger than on sparc! */
/*
* Maximum size of the kernel malloc arena in PAGE_SIZE-sized
* logical pages.
*/
#define NKMEMPAGES_MAX_DEFAULT ((64 * 1024 * 1024) >> PAGE_SHIFT)
/*
* dvmamap manages a range of DVMA addresses intended to create double
* mappings of physical memory. In a way, `dvmamap' is a submap of the
* VM map `phys_map'. The difference is the use of the `resource map'
* routines to manage page allocation, allowing DVMA addresses to be
* allocated and freed from within interrupt routines.
*
* Note that `phys_map' can still be used to allocate memory-backed pages
* in DVMA space.
*/
#ifndef _LOCORE
extern vaddr_t dvma_base;
extern vaddr_t dvma_end;
extern struct extent *dvmamap_extent;
extern caddr_t kdvma_mapin(caddr_t, int, int);
extern caddr_t dvma_malloc_space(size_t, void *, int, int);
extern void dvma_free(caddr_t, size_t, void *);
#define dvma_malloc(len,kaddr,flags) dvma_malloc_space(len,kaddr,flags,0)
extern void delay(unsigned int);
#define DELAY(n) delay(n)
extern int cputyp;
#endif /* _LOCORE */
/*
* Values for the cputyp variable.
*/
#define CPU_KAP 5
/*
* Shorthand CPU-type macros.
* Let compiler optimize away code conditional on constants.
*/
#define CPU_ISSUN4M (0)
#define CPU_ISSUN4C (0)
#define CPU_ISSUN4 (0)
#define CPU_ISSUN4OR4C (0)
#define CPU_ISSUN4COR4M (0)
#define CPU_ISKAP (1)
#endif /* _KERNEL */
#endif /* _MACHINE_PARAM_H_ */
|
