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1 | /* |
1 | /* |
2 | * Copyright (C) 2005 Jakub Jermar |
2 | * Copyright (C) 2005 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 | #include <mm/tlb.h> |
29 | #include <mm/tlb.h> |
30 | #include <arch/mm/asid.h> |
30 | #include <arch/mm/asid.h> |
31 | #include <arch/asm.h> |
31 | #include <arch/asm.h> |
- | 32 | #include <arch/types.h> |
|
32 | 33 | ||
33 | /** Invalidate all TLB entries |
34 | /** Invalidate all TLB entries |
34 | * |
35 | * |
35 | * Invalidate all TLB entries. |
36 | * Invalidate all TLB entries. |
36 | * |
37 | * |
37 | * @param asid This argument is ignored. |
38 | * @param asid This argument is ignored. |
38 | */ |
39 | */ |
39 | void tlb_invalidate(asid_t asid) |
40 | void tlb_invalidate(asid_t asid) |
40 | { |
41 | { |
41 | write_cr3(read_cr3()); |
42 | write_cr3(read_cr3()); |
42 | } |
43 | } |
- | 44 | ||
- | 45 | /** Invalidate all entries in TLB. */ |
|
- | 46 | void tlb_invalidate_all(void) |
|
- | 47 | { |
|
- | 48 | write_cr3(read_cr3()); |
|
- | 49 | } |
|
- | 50 | ||
- | 51 | /** Invalidate all entries in TLB that belong to specified address space. |
|
- | 52 | * |
|
- | 53 | * @param asid This parameter is ignored as the architecture doesn't support it. |
|
- | 54 | */ |
|
- | 55 | void tlb_invalidate_asid(asid_t asid) |
|
- | 56 | { |
|
- | 57 | tlb_invalidate_all(); |
|
- | 58 | } |
|
- | 59 | ||
- | 60 | /** Invalidate TLB entry for specified page belongs to specified address space. |
|
- | 61 | * |
|
- | 62 | * @param asid This parameter is ignored as the architecture doesn't support it. |
|
- | 63 | * @param page Address of the page whose entry is to be invalidated. |
|
- | 64 | */ |
|
- | 65 | void tlb_invalidate_page(asid_t asid, __address page) |
|
- | 66 | { |
|
- | 67 | invlpg(page); |
|
- | 68 | } |
|
43 | 69 |