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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 | #include <arch/mm/tlb.h> |
29 | #include <arch/mm/tlb.h> |
30 | #include <arch/mm/asid.h> |
30 | #include <arch/mm/asid.h> |
31 | #include <mm/tlb.h> |
31 | #include <mm/tlb.h> |
32 | #include <arch/cp0.h> |
32 | #include <arch/cp0.h> |
33 | #include <panic.h> |
33 | #include <panic.h> |
34 | #include <arch.h> |
34 | #include <arch.h> |
35 | 35 | ||
- | 36 | void main_bsp(void); |
|
- | 37 | ||
- | 38 | ||
- | 39 | ||
- | 40 | ||
36 | int bootstrap = 1; |
41 | int bootstrap = 1; |
37 | 42 | ||
38 | void tlb_refill(void) |
43 | void tlb_refill(void) |
39 | { |
44 | { |
40 | if (bootstrap) { |
45 | if (bootstrap) { |
41 | bootstrap = 0; |
46 | bootstrap = 0; |
42 | main_bsp(); |
47 | main_bsp(); |
43 | } |
48 | } |
44 | 49 | ||
45 | panic("tlb_refill exception\n"); |
50 | panic("tlb_refill exception\n"); |
46 | } |
51 | } |
47 | 52 | ||
48 | void tlb_invalid(void) |
53 | void tlb_invalid(void) |
49 | { |
54 | { |
50 | panic("%X: TLB exception at %X", cp0_badvaddr_read(), THREAD ? THREAD->saved_epc : 0); |
55 | panic("%X: TLB exception at %X", cp0_badvaddr_read(), THREAD ? THREAD->saved_epc : 0); |
51 | } |
56 | } |
52 | 57 | ||
53 | void tlb_invalidate(int asid) |
58 | void tlb_invalidate(int asid) |
54 | { |
59 | { |
55 | pri_t pri; |
60 | pri_t pri; |
56 | 61 | ||
57 | pri = cpu_priority_high(); |
62 | pri = cpu_priority_high(); |
58 | 63 | ||
59 | asid_bitmap_reset(); |
64 | asid_bitmap_reset(); |
60 | 65 | ||
61 | // TODO |
66 | // TODO |
62 | 67 | ||
63 | cpu_priority_restore(pri); |
68 | cpu_priority_restore(pri); |
64 | } |
69 | } |
65 | 70 |