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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 | ||