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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 <arch/mm/as.h> |
29 | #include <arch/mm/as.h> |
| 30 | #include <genarch/mm/as_pt.h> |
30 | #include <genarch/mm/as_pt.h> |
| - | 31 | #include <genarch/mm/asid_fifo.h> |
|
| 31 | #include <arch/mm/tlb.h> |
32 | #include <arch/mm/tlb.h> |
| 32 | #include <mm/tlb.h> |
33 | #include <mm/tlb.h> |
| 33 | #include <mm/as.h> |
34 | #include <mm/as.h> |
| 34 | #include <arch/cp0.h> |
35 | #include <arch/cp0.h> |
| 35 | #include <arch.h> |
36 | #include <arch.h> |
| 36 | 37 | ||
| 37 | /** Architecture dependent address space init. */ |
38 | /** Architecture dependent address space init. */ |
| 38 | void as_arch_init(void) |
39 | void as_arch_init(void) |
| 39 | { |
40 | { |
| 40 | as_operations = &as_pt_operations; |
41 | as_operations = &as_pt_operations; |
| - | 42 | asid_fifo_init(); |
|
| 41 | } |
43 | } |
| 42 | 44 | ||
| 43 | /** Install address space. |
45 | /** Install address space. |
| 44 | * |
46 | * |
| 45 | * Install ASID. |
47 | * Install ASID. |
| 46 | * |
48 | * |
| 47 | * @param as Address space structure. |
49 | * @param as Address space structure. |
| 48 | */ |
50 | */ |
| 49 | void as_install_arch(as_t *as) |
51 | void as_install_arch(as_t *as) |
| 50 | { |
52 | { |
| 51 | entry_hi_t hi; |
53 | entry_hi_t hi; |
| 52 | ipl_t ipl; |
54 | ipl_t ipl; |
| 53 | 55 | ||
| 54 | /* |
56 | /* |
| 55 | * Install ASID. |
57 | * Install ASID. |
| 56 | */ |
58 | */ |
| 57 | hi.value = cp0_entry_hi_read(); |
59 | hi.value = cp0_entry_hi_read(); |
| 58 | 60 | ||
| 59 | ipl = interrupts_disable(); |
61 | ipl = interrupts_disable(); |
| 60 | spinlock_lock(&as->lock); |
62 | spinlock_lock(&as->lock); |
| 61 | hi.asid = as->asid; |
63 | hi.asid = as->asid; |
| 62 | cp0_entry_hi_write(hi.value); |
64 | cp0_entry_hi_write(hi.value); |
| 63 | spinlock_unlock(&as->lock); |
65 | spinlock_unlock(&as->lock); |
| 64 | interrupts_restore(ipl); |
66 | interrupts_restore(ipl); |
| 65 | } |
67 | } |
| 66 | 68 | ||
| 67 | 69 | ||