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
|
/* $OpenBSD: uvm_map.h,v 1.6 2001/03/09 05:34:38 smart Exp $ */
/* $NetBSD: uvm_map.h,v 1.15 1999/06/21 17:25:11 thorpej Exp $ */
/*
* Copyright (c) 1997 Charles D. Cranor and Washington University.
* Copyright (c) 1991, 1993, The Regents of the University of California.
*
* All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* The Mach Operating System project at Carnegie-Mellon University.
*
* 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 Charles D. Cranor,
* Washington University, the University of California, Berkeley and
* its contributors.
* 4. 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.
*
* @(#)vm_map.h 8.3 (Berkeley) 3/15/94
* from: Id: uvm_map.h,v 1.1.2.3 1998/02/07 01:16:55 chs Exp
*
*
* Copyright (c) 1987, 1990 Carnegie-Mellon University.
* All rights reserved.
*
* Permission to use, copy, modify and distribute this software and
* its documentation is hereby granted, provided that both the copyright
* notice and this permission notice appear in all copies of the
* software, derivative works or modified versions, and any portions
* thereof, and that both notices appear in supporting documentation.
*
* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
* FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
*
* Carnegie Mellon requests users of this software to return to
*
* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
* School of Computer Science
* Carnegie Mellon University
* Pittsburgh PA 15213-3890
*
* any improvements or extensions that they make and grant Carnegie the
* rights to redistribute these changes.
*/
#ifndef _UVM_UVM_MAP_H_
#define _UVM_UVM_MAP_H_
/*
* uvm_map.h
*/
#ifdef _KERNEL
/*
* macros
*/
/*
* UVM_MAP_CLIP_START: ensure that the entry begins at or after
* the starting address, if it doesn't we split the entry.
*
* => map must be locked by caller
*/
#define UVM_MAP_CLIP_START(MAP,ENTRY,VA) { \
if ((VA) > (ENTRY)->start) uvm_map_clip_start(MAP,ENTRY,VA); }
/*
* UVM_MAP_CLIP_END: ensure that the entry ends at or before
* the ending address, if it does't we split the entry.
*
* => map must be locked by caller
*/
#define UVM_MAP_CLIP_END(MAP,ENTRY,VA) { \
if ((VA) < (ENTRY)->end) uvm_map_clip_end(MAP,ENTRY,VA); }
/*
* extract flags
*/
#define UVM_EXTRACT_REMOVE 0x1 /* remove mapping from old map */
#define UVM_EXTRACT_CONTIG 0x2 /* try to keep it contig */
#define UVM_EXTRACT_QREF 0x4 /* use quick refs */
#define UVM_EXTRACT_FIXPROT 0x8 /* set prot to maxprot as we go */
/*
* handle inline options
*/
#ifdef UVM_MAP_INLINE
#define MAP_INLINE static __inline
#else
#define MAP_INLINE /* nothing */
#endif /* UVM_MAP_INLINE */
/*
* globals:
*/
#ifdef PMAP_GROWKERNEL
extern vaddr_t uvm_maxkaddr;
#endif
/*
* protos: the following prototypes define the interface to vm_map
*/
MAP_INLINE
void uvm_map_deallocate __P((vm_map_t));
int uvm_map_clean __P((vm_map_t, vaddr_t, vaddr_t, int));
void uvm_map_clip_start __P((vm_map_t,
vm_map_entry_t, vaddr_t));
void uvm_map_clip_end __P((vm_map_t, vm_map_entry_t,
vaddr_t));
MAP_INLINE
vm_map_t uvm_map_create __P((pmap_t, vaddr_t,
vaddr_t, int));
int uvm_map_extract __P((vm_map_t, vaddr_t, vsize_t,
vm_map_t, vaddr_t *, int));
vm_map_entry_t uvm_map_findspace __P((vm_map_t, vaddr_t, vsize_t,
vaddr_t *, struct uvm_object *, vaddr_t,
boolean_t));
int uvm_map_inherit __P((vm_map_t, vaddr_t, vaddr_t,
vm_inherit_t));
int uvm_map_advice __P((vm_map_t, vaddr_t, vaddr_t, int));
void uvm_map_init __P((void));
boolean_t uvm_map_lookup_entry __P((vm_map_t, vaddr_t,
vm_map_entry_t *));
MAP_INLINE
void uvm_map_reference __P((vm_map_t));
int uvm_map_replace __P((vm_map_t, vaddr_t, vaddr_t,
vm_map_entry_t, int));
int uvm_map_reserve __P((vm_map_t, vsize_t, vaddr_t,
vaddr_t *));
void uvm_map_setup __P((vm_map_t, vaddr_t,
vaddr_t, int));
int uvm_map_submap __P((vm_map_t, vaddr_t,
vaddr_t, vm_map_t));
MAP_INLINE
int uvm_unmap __P((vm_map_t, vaddr_t, vaddr_t));
void uvm_unmap_detach __P((vm_map_entry_t,int));
int uvm_unmap_remove __P((vm_map_t, vaddr_t, vaddr_t,
vm_map_entry_t *));
struct vmspace *uvmspace_fork __P((struct vmspace *));
#endif /* _KERNEL */
#endif /* _UVM_UVM_MAP_H_ */
|
