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| 1 | /* |
1 | /* |
| 2 | * Copyright (C) 2003-2004 Jakub Jermar |
2 | * Copyright (C) 2003-2004 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 | #include <symtab.h> |
36 | #include <symtab.h> |
| 37 | 37 | ||
| 38 | void tlb_refill(struct exception_regdump *pstate) |
38 | void tlb_refill(struct exception_regdump *pstate) |
| 39 | { |
39 | { |
| 40 | char *symbol = ""; |
40 | char *symbol = ""; |
| 41 | char *sym2 = ""; |
41 | char *sym2 = ""; |
| 42 | 42 | ||
| 43 | if (THREAD) { |
- | |
| 44 | char *s = get_symtab_entry(pstate->epc); |
43 | char *s = get_symtab_entry(pstate->epc); |
| 45 | if (s) |
44 | if (s) |
| 46 | symbol = s; |
45 | symbol = s; |
| 47 | s = get_symtab_entry(pstate->ra); |
46 | s = get_symtab_entry(pstate->ra); |
| 48 | if (s) |
47 | if (s) |
| 49 | sym2 = s; |
48 | sym2 = s; |
| 50 | } |
- | |
| 51 | panic("%X: tlb_refill exception at %X(%s<-%s)\n", cp0_badvaddr_read(), |
49 | panic("%X: tlb_refill exception at %X(%s<-%s)\n", cp0_badvaddr_read(), |
| 52 | pstate->epc, symbol,sym2); |
50 | pstate->epc, symbol,sym2); |
| 53 | } |
51 | } |
| 54 | 52 | ||
| 55 | void tlb_invalid(struct exception_regdump *pstate) |
53 | void tlb_invalid(struct exception_regdump *pstate) |
| 56 | { |
54 | { |
| 57 | char *symbol = ""; |
55 | char *symbol = ""; |
| 58 | 56 | ||
| 59 | if (THREAD) { |
- | |
| 60 | char *s = get_symtab_entry(pstate->epc); |
57 | char *s = get_symtab_entry(pstate->epc); |
| 61 | if (s) |
58 | if (s) |
| 62 | symbol = s; |
59 | symbol = s; |
| 63 | } |
- | |
| 64 | panic("%X: TLB exception at %X(%s)\n", cp0_badvaddr_read(), |
60 | panic("%X: TLB exception at %X(%s)\n", cp0_badvaddr_read(), |
| 65 | pstate->epc, symbol); |
61 | pstate->epc, symbol); |
| 66 | } |
62 | } |
| 67 | 63 | ||
| 68 | void tlb_invalidate(int asid) |
64 | void tlb_invalidate(int asid) |
| 69 | { |
65 | { |
| 70 | pri_t pri; |
66 | pri_t pri; |
| 71 | 67 | ||
| 72 | pri = cpu_priority_high(); |
68 | pri = cpu_priority_high(); |
| 73 | 69 | ||
| 74 | // asid_bitmap_reset(); |
70 | // asid_bitmap_reset(); |
| 75 | 71 | ||
| 76 | // TODO |
72 | // TODO |
| 77 | 73 | ||
| 78 | cpu_priority_restore(pri); |
74 | cpu_priority_restore(pri); |
| 79 | } |
75 | } |
| 80 | 76 | ||