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1 | /* |
1 | /* |
2 | * Copyright (c) 2001-2004 Jakub Jermar |
2 | * Copyright (c) 2001-2004 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 | #ifndef KERN_PAGE_H_ |
35 | #ifndef KERN_PAGE_H_ |
36 | #define KERN_PAGE_H_ |
36 | #define KERN_PAGE_H_ |
37 | 37 | ||
38 | #include <arch/types.h> |
38 | #include <arch/types.h> |
39 | #include <mm/as.h> |
39 | #include <mm/as.h> |
40 | #include <memstr.h> |
40 | #include <memstr.h> |
41 | 41 | ||
42 | /** Operations to manipulate page mappings. */ |
42 | /** Operations to manipulate page mappings. */ |
43 | typedef struct { |
43 | typedef struct { |
44 | void (* mapping_insert)(as_t *as, uintptr_t page, uintptr_t frame, |
44 | void (* mapping_insert)(as_t *as, uintptr_t page, uintptr_t frame, |
45 | int flags); |
45 | int flags); |
46 | void (* mapping_remove)(as_t *as, uintptr_t page); |
46 | void (* mapping_remove)(as_t *as, uintptr_t page); |
47 | pte_t *(* mapping_find)(as_t *as, uintptr_t page); |
47 | pte_t *(* mapping_find)(as_t *as, uintptr_t page); |
48 | } page_mapping_operations_t; |
48 | } page_mapping_operations_t; |
49 | 49 | ||
50 | extern page_mapping_operations_t *page_mapping_operations; |
50 | extern page_mapping_operations_t *page_mapping_operations; |
51 | 51 | ||
52 | extern void page_init(void); |
52 | extern void page_init(void); |
53 | extern void page_table_lock(as_t *as, bool lock); |
53 | extern void page_table_lock(as_t *as, bool lock); |
54 | extern void page_table_unlock(as_t *as, bool unlock); |
54 | extern void page_table_unlock(as_t *as, bool unlock); |
55 | extern void page_mapping_insert(as_t *as, uintptr_t page, uintptr_t frame, |
55 | extern void page_mapping_insert(as_t *as, uintptr_t page, uintptr_t frame, |
56 | int flags); |
56 | int flags); |
57 | extern void page_mapping_remove(as_t *as, uintptr_t page); |
57 | extern void page_mapping_remove(as_t *as, uintptr_t page); |
58 | extern pte_t *page_mapping_find(as_t *as, uintptr_t page); |
58 | extern pte_t *page_mapping_find(as_t *as, uintptr_t page); |
59 | extern pte_t *page_table_create(int flags); |
59 | extern pte_t *page_table_create(int flags); |
60 | extern void page_table_destroy(pte_t *page_table); |
60 | extern void page_table_destroy(pte_t *page_table); |
61 | extern void map_structure(uintptr_t s, size_t size); |
61 | extern void map_structure(uintptr_t s, size_t size); |
62 | 62 | ||
63 | extern uintptr_t hw_map(uintptr_t physaddr, size_t size); |
63 | extern uintptr_t hw_map(uintptr_t physaddr, size_t size); |
64 | extern void hw_area(uintptr_t *physaddr, pfn_t *frames); |
- | |
65 | 64 | ||
66 | #endif |
65 | #endif |
67 | 66 | ||
68 | /** @} |
67 | /** @} |
69 | */ |
68 | */ |
70 | 69 |