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| 1 | /* |
1 | /* |
| 2 | * Copyright (C) 2006 Jakub Jermar |
2 | * Copyright (C) 2006 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 sparc64 |
|
| - | 30 | * @{ |
|
| - | 31 | */ |
|
| - | 32 | /** @file |
|
| - | 33 | */ |
|
| - | 34 | ||
| 29 | /** |
35 | /** |
| 30 | * This file contains fast MMU trap handlers. |
36 | * This file contains fast MMU trap handlers. |
| 31 | */ |
37 | */ |
| 32 | 38 | ||
| 33 | #ifndef __sparc64_MMU_TRAP_H__ |
39 | #ifndef __sparc64_MMU_TRAP_H__ |
| 34 | #define __sparc64_MMU_TRAP_H__ |
40 | #define __sparc64_MMU_TRAP_H__ |
| 35 | 41 | ||
| 36 | #include <arch/stack.h> |
42 | #include <arch/stack.h> |
| 37 | 43 | ||
| 38 | #define TT_FAST_INSTRUCTION_ACCESS_MMU_MISS 0x64 |
44 | #define TT_FAST_INSTRUCTION_ACCESS_MMU_MISS 0x64 |
| 39 | #define TT_FAST_DATA_ACCESS_MMU_MISS 0x68 |
45 | #define TT_FAST_DATA_ACCESS_MMU_MISS 0x68 |
| 40 | #define TT_FAST_DATA_ACCESS_PROTECTION 0x6c |
46 | #define TT_FAST_DATA_ACCESS_PROTECTION 0x6c |
| 41 | 47 | ||
| 42 | #define FAST_MMU_HANDLER_SIZE 128 |
48 | #define FAST_MMU_HANDLER_SIZE 128 |
| 43 | 49 | ||
| 44 | #ifdef __ASM__ |
50 | #ifdef __ASM__ |
| 45 | .macro FAST_INSTRUCTION_ACCESS_MMU_MISS_HANDLER |
51 | .macro FAST_INSTRUCTION_ACCESS_MMU_MISS_HANDLER |
| 46 | save %sp, -STACK_WINDOW_SAVE_AREA_SIZE, %sp |
52 | save %sp, -STACK_WINDOW_SAVE_AREA_SIZE, %sp |
| 47 | call fast_instruction_access_mmu_miss |
53 | call fast_instruction_access_mmu_miss |
| 48 | nop |
54 | nop |
| 49 | restore |
55 | restore |
| 50 | retry |
56 | retry |
| 51 | .endm |
57 | .endm |
| 52 | 58 | ||
| 53 | .macro FAST_DATA_ACCESS_MMU_MISS_HANDLER |
59 | .macro FAST_DATA_ACCESS_MMU_MISS_HANDLER |
| 54 | save %sp, -STACK_WINDOW_SAVE_AREA_SIZE, %sp |
60 | save %sp, -STACK_WINDOW_SAVE_AREA_SIZE, %sp |
| 55 | call fast_data_access_mmu_miss |
61 | call fast_data_access_mmu_miss |
| 56 | nop |
62 | nop |
| 57 | restore |
63 | restore |
| 58 | retry |
64 | retry |
| 59 | .endm |
65 | .endm |
| 60 | 66 | ||
| 61 | .macro FAST_DATA_ACCESS_PROTECTION_HANDLER |
67 | .macro FAST_DATA_ACCESS_PROTECTION_HANDLER |
| 62 | save %sp, -STACK_WINDOW_SAVE_AREA_SIZE, %sp |
68 | save %sp, -STACK_WINDOW_SAVE_AREA_SIZE, %sp |
| 63 | call fast_data_access_protection |
69 | call fast_data_access_protection |
| 64 | nop |
70 | nop |
| 65 | restore |
71 | restore |
| 66 | retry |
72 | retry |
| 67 | .endm |
73 | .endm |
| 68 | #endif /* __ASM__ */ |
74 | #endif /* __ASM__ */ |
| 69 | 75 | ||
| 70 | #endif |
76 | #endif |
| - | 77 | ||
| - | 78 | /** @} |
|
| - | 79 | */ |
|
| - | 80 | ||
| 71 | 81 | ||