Subversion Repositories HelenOS

Rev

Rev 2085 | Go to most recent revision | Only display areas with differences | Ignore whitespace | Details | Blame | Last modification | View Log | RSS feed

Rev 2085 Rev 2089
1
/*
1
/*
2
 * Copyright (c) 2006 Jakub Jermar
2
 * Copyright (c) 2006 Jakub Jermar
3
 * All rights reserved.
3
 * All rights reserved.
4
 *
4
 *
5
 * Redistribution and use in source and binary forms, with or without
5
 * Redistribution and use in source and binary forms, with or without
6
 * modification, are permitted provided that the following conditions
6
 * modification, are permitted provided that the following conditions
7
 * are met:
7
 * are met:
8
 *
8
 *
9
 * - Redistributions of source code must retain the above copyright
9
 * - Redistributions of source code must retain the above copyright
10
 *   notice, this list of conditions and the following disclaimer.
10
 *   notice, this list of conditions and the following disclaimer.
11
 * - Redistributions in binary form must reproduce the above copyright
11
 * - Redistributions in binary form must reproduce the above copyright
12
 *   notice, this list of conditions and the following disclaimer in the
12
 *   notice, this list of conditions and the following disclaimer in the
13
 *   documentation and/or other materials provided with the distribution.
13
 *   documentation and/or other materials provided with the distribution.
14
 * - The name of the author may not be used to endorse or promote products
14
 * - The name of the author may not be used to endorse or promote products
15
 *   derived from this software without specific prior written permission.
15
 *   derived from this software without specific prior written permission.
16
 *
16
 *
17
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27
 */
27
 */
28
 
28
 
29
/** @addtogroup genericmm
29
/** @addtogroup genericmm
30
 * @{
30
 * @{
31
 */
31
 */
32
/** @file
32
/** @file
33
 */
33
 */
34
 
34
 
35
/*
35
/*
36
 * This is generic interface for managing
36
 * This is generic interface for managing
37
 * Address Space IDentifiers (ASIDs).
37
 * Address Space IDentifiers (ASIDs).
38
 */
38
 */
39
 
39
 
40
#ifndef KERN_ASID_H_
40
#ifndef KERN_ASID_H_
41
#define KERN_ASID_H_
41
#define KERN_ASID_H_
42
 
42
 
43
#ifndef __ASM__
43
#ifndef __ASM__
44
 
44
 
45
#include <arch/mm/asid.h>
45
#include <arch/mm/asid.h>
46
#include <synch/spinlock.h>
46
#include <synch/spinlock.h>
-
 
47
#include <adt/list.h>
47
#include <typedefs.h>
48
#include <mm/as.h>
48
 
49
 
49
#endif
50
#endif
50
 
51
 
51
#define ASID_KERNEL 0
52
#define ASID_KERNEL 0
52
#define ASID_INVALID    1
53
#define ASID_INVALID    1
53
#define ASID_START  2
54
#define ASID_START  2
54
#define ASID_MAX    ASID_MAX_ARCH
55
#define ASID_MAX    ASID_MAX_ARCH
55
 
56
 
56
#ifndef __ASM__
57
#ifndef __ASM__
57
 
58
 
58
#define ASIDS_ALLOCABLE ((ASID_MAX + 1) - ASID_START)
59
#define ASIDS_ALLOCABLE ((ASID_MAX + 1) - ASID_START)
59
 
60
 
60
extern spinlock_t asidlock;
61
extern spinlock_t asidlock;
61
extern link_t as_with_asid_head;
62
extern link_t as_with_asid_head;
62
 
63
 
63
#ifndef asid_get
64
#ifndef asid_get
64
extern asid_t asid_get(void);
65
extern asid_t asid_get(void);
65
#endif /* !def asid_get */
66
#endif /* !def asid_get */
66
 
67
 
67
#ifndef asid_put
68
#ifndef asid_put
68
extern void asid_put(asid_t asid);
69
extern void asid_put(asid_t asid);
69
#endif /* !def asid_put */
70
#endif /* !def asid_put */
70
 
71
 
71
#ifndef asid_install
72
#ifndef asid_install
72
extern void asid_install(as_t *as);
73
extern void asid_install(as_t *as);
73
#endif /* !def asid_install */
74
#endif /* !def asid_install */
74
 
75
 
75
#ifndef asid_find_free
76
#ifndef asid_find_free
76
extern asid_t asid_find_free(void);
77
extern asid_t asid_find_free(void);
77
#endif /* !def asid_find_free */
78
#endif /* !def asid_find_free */
78
 
79
 
79
#ifndef asid_put_arch
80
#ifndef asid_put_arch
80
extern void asid_put_arch(asid_t asid);
81
extern void asid_put_arch(asid_t asid);
81
#endif /* !def asid_put_arch */
82
#endif /* !def asid_put_arch */
82
 
83
 
83
#endif
84
#endif
84
 
85
 
85
#endif
86
#endif
86
 
87
 
87
/** @}
88
/** @}
88
 */
89
 */
89
 
90