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
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
|
/* $NetBSD: vmparam.h,v 1.8 2003/12/07 20:03:47 scw Exp $ */
/*
* Copyright 2002 Wasabi Systems, Inc.
* All rights reserved.
*
* Written by Steve C. Woodford for Wasabi Systems, Inc.
*
* 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. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed for the NetBSD Project by
* Wasabi Systems, Inc.
* 4. The name of Wasabi Systems, Inc. may not be used to endorse
* or promote products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``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 WASABI SYSTEMS, INC
* 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.
*/
/*-
* Copyright (c) 2001 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Matt Thomas <matt@3am-softwre.com> of Allegro Networks, Inc.
*
* 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. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation 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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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 _SH5_VMPARAM_H
#define _SH5_VMPARAM_H
/*
* SH5 VM contants
*/
#include <sys/queue.h>
/*
* Virtual Memory constants.
*
* The kernel always occupies the top 1GB of virtual address space,
* regardless of whether it's running in 32- or 64-bit mode.
*
* User VM space stretches to fill what's left.
*/
/*
* We use 4K pages on the sh5. Override the PAGE_* definitions
* to be compile-time constants.
*/
#define PAGE_SHIFT 12
#define PAGE_SIZE (1 << PAGE_SHIFT)
#define PAGE_MASK (PAGE_SIZE - 1)
#ifdef _LP64
#define VM_MIN_KERNEL_ADDRESS (0xffffffffe0000000UL)
#define VM_MAX_KERNEL_ADDRESS (0xfffffffffffff000UL)
#else
#define VM_MIN_KERNEL_ADDRESS (0xe0000000UL)
#define VM_MAX_KERNEL_ADDRESS (0xfffff000UL)
#endif
#define VM_MIN_ADDRESS (0)
#ifdef _LP64
#define VM_MAXUSER_ADDRESS (0xffffffffc0000000UL - PAGE_SIZE)
#else
#define VM_MAXUSER_ADDRESS (0xc0000000UL - PAGE_SIZE)
#endif
#define VM_MAX_ADDRESS VM_MAXUSER_ADDRESS
/*
* USRSTACK is the top of user stack.
*/
#define USRSTACK VM_MAXUSER_ADDRESS
#define USRSTACK32 USRSTACK
/* Virtual memory resoruce limit. */
#define MAXTSIZ (64 * 1024 * 1024) /* max text size */
#ifndef MAXDSIZ
#define MAXDSIZ (512 * 1024 * 1024) /* max data size */
#endif
#ifndef MAXSSIZ
#define MAXSSIZ (32 * 1024 * 1024) /* max stack size */
#endif
/* initial data size limit */
#ifndef DFLDSIZ
#define DFLDSIZ (128 * 1024 * 1024)
#endif
/* initial stack size limit */
#ifndef DFLSSIZ
#define DFLSSIZ (4 * 1024 * 1024)
#endif
/*
* Size of shared memory map
*/
#ifndef SHMMAXPGS
#define SHMMAXPGS 1024
#endif
/* Size of user raw I/O map */
#ifndef USRIOSIZE
#define USRIOSIZE (MAXBSIZE / PAGE_SIZE * 8)
#endif
#define VM_PHYS_SIZE (USRIOSIZE * PAGE_SIZE)
/*
* Physical memory segments
* Alloc port-specific vmparam.h to override
*/
#ifndef VM_PHYSSEG_MAX
#define VM_PHYSSEG_MAX 1
#endif
#ifndef VM_PHYSSEG_STRAT
#define VM_PHYSSEG_STRAT VM_PSTRAT_BSEARCH
#endif
#ifndef VM_PHYSSEG_NOADD
#define VM_PHYSSEG_NOADD
#endif
#ifndef VM_NFREELIST
#define VM_NFREELIST 1
#define VM_FREELIST_DEFAULT 0
#endif
#define sh5_round_page(x) ((((uintptr_t)(x)) + PGOFSET) & ~PGOFSET)
#define sh5_trunc_page(x) ((uintptr_t)(x) & ~PGOFSET)
#define sh5_page_offset(x) ((uintptr_t)(x) & PGOFSET)
#define sh5_btop(x) ((uintptr_t)(x) >> PGSHIFT)
#define sh5_ptob(x) ((uintptr_t)(x) << PGSHIFT)
/* pmap-specific data store in the vm_page structure. */
#define __HAVE_VM_PAGE_MD
#ifndef _LOCORE
LIST_HEAD(pvo_head, pvo_entry);
struct vm_page_md {
struct pvo_head mdpg_pvoh;
unsigned int mdpg_attrs;
};
#define VM_MDPAGE_INIT(pg) \
do { \
LIST_INIT(&(pg)->mdpage.mdpg_pvoh); \
(pg)->mdpage.mdpg_attrs = 0; \
} while (/*CONSTCOND*/0)
#endif /* _LOCORE */
#endif /* _SH5_VMPARAM_H */
|