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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 | /** @addtogroup mips32mm mips32 |
29 | /** @addtogroup mips32mm |
| 30 | * @ingroup mm |
- | |
| 31 | * @{ |
30 | * @{ |
| 32 | */ |
31 | */ |
| 33 | /** @file |
32 | /** @file |
| 34 | * @ingroup mips32 |
- | |
| 35 | */ |
33 | */ |
| 36 | 34 | ||
| 37 | #include <arch/mm/as.h> |
35 | #include <arch/mm/as.h> |
| 38 | #include <genarch/mm/as_pt.h> |
36 | #include <genarch/mm/as_pt.h> |
| 39 | #include <genarch/mm/asid_fifo.h> |
37 | #include <genarch/mm/asid_fifo.h> |
| 40 | #include <arch/mm/tlb.h> |
38 | #include <arch/mm/tlb.h> |
| 41 | #include <mm/tlb.h> |
39 | #include <mm/tlb.h> |
| 42 | #include <mm/as.h> |
40 | #include <mm/as.h> |
| 43 | #include <arch/cp0.h> |
41 | #include <arch/cp0.h> |
| 44 | #include <arch.h> |
42 | #include <arch.h> |
| 45 | 43 | ||
| 46 | /** Architecture dependent address space init. */ |
44 | /** Architecture dependent address space init. */ |
| 47 | void as_arch_init(void) |
45 | void as_arch_init(void) |
| 48 | { |
46 | { |
| 49 | as_operations = &as_pt_operations; |
47 | as_operations = &as_pt_operations; |
| 50 | asid_fifo_init(); |
48 | asid_fifo_init(); |
| 51 | } |
49 | } |
| 52 | 50 | ||
| 53 | /** Install address space. |
51 | /** Install address space. |
| 54 | * |
52 | * |
| 55 | * Install ASID. |
53 | * Install ASID. |
| 56 | * |
54 | * |
| 57 | * @param as Address space structure. |
55 | * @param as Address space structure. |
| 58 | */ |
56 | */ |
| 59 | void as_install_arch(as_t *as) |
57 | void as_install_arch(as_t *as) |
| 60 | { |
58 | { |
| 61 | entry_hi_t hi; |
59 | entry_hi_t hi; |
| 62 | ipl_t ipl; |
60 | ipl_t ipl; |
| 63 | 61 | ||
| 64 | /* |
62 | /* |
| 65 | * Install ASID. |
63 | * Install ASID. |
| 66 | */ |
64 | */ |
| 67 | hi.value = cp0_entry_hi_read(); |
65 | hi.value = cp0_entry_hi_read(); |
| 68 | 66 | ||
| 69 | ipl = interrupts_disable(); |
67 | ipl = interrupts_disable(); |
| 70 | spinlock_lock(&as->lock); |
68 | spinlock_lock(&as->lock); |
| 71 | hi.asid = as->asid; |
69 | hi.asid = as->asid; |
| 72 | cp0_entry_hi_write(hi.value); |
70 | cp0_entry_hi_write(hi.value); |
| 73 | spinlock_unlock(&as->lock); |
71 | spinlock_unlock(&as->lock); |
| 74 | interrupts_restore(ipl); |
72 | interrupts_restore(ipl); |
| 75 | } |
73 | } |
| 76 | 74 | ||
| 77 | 75 | ||
| 78 | /** @} |
76 | /** @} |
| 79 | */ |
77 | */ |
| 80 | 78 | ||
| 81 | 79 | ||