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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 | /* |
29 | /* |
30 | * This is generic interface for managing |
30 | * This is generic interface for managing |
31 | * Address Space IDentifiers (ASIDs). |
31 | * Address Space IDentifiers (ASIDs). |
32 | */ |
32 | */ |
33 | 33 | ||
34 | #ifndef __ASID_H__ |
34 | #ifndef __ASID_H__ |
35 | #define __ASID_H__ |
35 | #define __ASID_H__ |
36 | 36 | ||
37 | #ifndef __ASM__ |
37 | #ifndef __ASM__ |
38 | 38 | ||
39 | #include <arch/mm/asid.h> |
39 | #include <arch/mm/asid.h> |
40 | #include <typedefs.h> |
40 | #include <typedefs.h> |
41 | 41 | ||
42 | #endif |
42 | #endif |
43 | 43 | ||
44 | #define ASID_KERNEL 0 |
44 | #define ASID_KERNEL 0 |
45 | #define ASID_INVALID 1 |
45 | #define ASID_INVALID 1 |
46 | #define ASID_START 2 |
46 | #define ASID_START 2 |
47 | #define ASID_MAX ASID_MAX_ARCH |
47 | #define ASID_MAX ASID_MAX_ARCH |
48 | 48 | ||
49 | #ifndef __ASM__ |
49 | #ifndef __ASM__ |
50 | 50 | ||
51 | - | ||
52 | #define ASIDS_ALLOCABLE ((ASID_MAX+1)-ASID_START) |
51 | #define ASIDS_ALLOCABLE ((ASID_MAX+1)-ASID_START) |
53 | 52 | ||
54 | extern spinlock_t asidlock; |
53 | extern spinlock_t asidlock; |
55 | extern link_t as_with_asid_head; |
54 | extern link_t as_with_asid_head; |
56 | 55 | ||
- | 56 | #ifndef asid_get |
|
57 | extern asid_t asid_get(void); /*This is in collision with ia32 macro*/ |
57 | extern asid_t asid_get(void); |
- | 58 | #endif /* !def asid_get */ |
|
- | 59 | ||
- | 60 | #ifndef asid_put |
|
58 | extern void asid_put(asid_t asid); |
61 | extern void asid_put(asid_t asid); |
- | 62 | #endif /* !def asid_put */ |
|
59 | 63 | ||
60 | #ifndef asid_install |
64 | #ifndef asid_install |
61 | extern void asid_install(as_t *as); |
65 | extern void asid_install(as_t *as); |
62 | #endif /* !def asid_install */ |
66 | #endif /* !def asid_install */ |
63 | 67 | ||
64 | #ifndef asid_find_free |
68 | #ifndef asid_find_free |
65 | extern asid_t asid_find_free(void); |
69 | extern asid_t asid_find_free(void); |
66 | #endif /* !def asid_find_free */ |
70 | #endif /* !def asid_find_free */ |
67 | 71 | ||
68 | #ifndef asid_put_arch |
72 | #ifndef asid_put_arch |
69 | extern void asid_put_arch(asid_t asid); |
73 | extern void asid_put_arch(asid_t asid); |
70 | #endif /* !def asid_put_arch */ |
74 | #endif /* !def asid_put_arch */ |
71 | 75 | ||
72 | #endif |
76 | #endif |
73 | 77 | ||
74 | #endif |
78 | #endif |
75 | 79 | ||
76 | 80 |