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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 |
29 | /** @addtogroup sparc64interrupt |
30 | * @{ |
30 | * @{ |
31 | */ |
31 | */ |
32 | /** @file |
- | |
33 | */ |
- | |
34 | - | ||
35 | /** |
32 | /** |
- | 33 | * @file |
|
36 | * This file contains fast MMU trap handlers. |
34 | * @brief This file contains fast MMU trap handlers. |
37 | */ |
35 | */ |
38 | 36 | ||
39 | #ifndef __sparc64_MMU_TRAP_H__ |
37 | #ifndef __sparc64_MMU_TRAP_H__ |
40 | #define __sparc64_MMU_TRAP_H__ |
38 | #define __sparc64_MMU_TRAP_H__ |
41 | 39 | ||
42 | #include <arch/stack.h> |
40 | #include <arch/stack.h> |
43 | 41 | ||
44 | #define TT_FAST_INSTRUCTION_ACCESS_MMU_MISS 0x64 |
42 | #define TT_FAST_INSTRUCTION_ACCESS_MMU_MISS 0x64 |
45 | #define TT_FAST_DATA_ACCESS_MMU_MISS 0x68 |
43 | #define TT_FAST_DATA_ACCESS_MMU_MISS 0x68 |
46 | #define TT_FAST_DATA_ACCESS_PROTECTION 0x6c |
44 | #define TT_FAST_DATA_ACCESS_PROTECTION 0x6c |
47 | 45 | ||
48 | #define FAST_MMU_HANDLER_SIZE 128 |
46 | #define FAST_MMU_HANDLER_SIZE 128 |
49 | 47 | ||
50 | #ifdef __ASM__ |
48 | #ifdef __ASM__ |
51 | .macro FAST_INSTRUCTION_ACCESS_MMU_MISS_HANDLER |
49 | .macro FAST_INSTRUCTION_ACCESS_MMU_MISS_HANDLER |
52 | save %sp, -STACK_WINDOW_SAVE_AREA_SIZE, %sp |
50 | save %sp, -STACK_WINDOW_SAVE_AREA_SIZE, %sp |
53 | call fast_instruction_access_mmu_miss |
51 | call fast_instruction_access_mmu_miss |
54 | nop |
52 | nop |
55 | restore |
53 | restore |
56 | retry |
54 | retry |
57 | .endm |
55 | .endm |
58 | 56 | ||
59 | .macro FAST_DATA_ACCESS_MMU_MISS_HANDLER |
57 | .macro FAST_DATA_ACCESS_MMU_MISS_HANDLER |
60 | save %sp, -STACK_WINDOW_SAVE_AREA_SIZE, %sp |
58 | save %sp, -STACK_WINDOW_SAVE_AREA_SIZE, %sp |
61 | call fast_data_access_mmu_miss |
59 | call fast_data_access_mmu_miss |
62 | nop |
60 | nop |
63 | restore |
61 | restore |
64 | retry |
62 | retry |
65 | .endm |
63 | .endm |
66 | 64 | ||
67 | .macro FAST_DATA_ACCESS_PROTECTION_HANDLER |
65 | .macro FAST_DATA_ACCESS_PROTECTION_HANDLER |
68 | save %sp, -STACK_WINDOW_SAVE_AREA_SIZE, %sp |
66 | save %sp, -STACK_WINDOW_SAVE_AREA_SIZE, %sp |
69 | call fast_data_access_protection |
67 | call fast_data_access_protection |
70 | nop |
68 | nop |
71 | restore |
69 | restore |
72 | retry |
70 | retry |
73 | .endm |
71 | .endm |
74 | #endif /* __ASM__ */ |
72 | #endif /* __ASM__ */ |
75 | 73 | ||
76 | #endif |
74 | #endif |
77 | 75 | ||
78 | /** @} |
76 | /** @} |
79 | */ |
77 | */ |
80 | - | ||
81 | 78 |