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| Rev | Author | Line No. | Line |
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| 864 | jermar | 1 | /* |
| 2 | * Copyright (C) 2006 Jakub Jermar |
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| 3 | * All rights reserved. |
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| 4 | * |
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| 5 | * Redistribution and use in source and binary forms, with or without |
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| 6 | * modification, are permitted provided that the following conditions |
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| 7 | * are met: |
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| 8 | * |
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| 9 | * - Redistributions of source code must retain the above copyright |
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| 10 | * notice, this list of conditions and the following disclaimer. |
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| 11 | * - Redistributions in binary form must reproduce the above copyright |
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| 12 | * notice, this list of conditions and the following disclaimer in the |
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| 13 | * documentation and/or other materials provided with the distribution. |
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| 14 | * - The name of the author may not be used to endorse or promote products |
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| 15 | * derived from this software without specific prior written permission. |
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| 16 | * |
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| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
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| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
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| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
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| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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| 27 | */ |
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| 28 | |||
| 29 | /** |
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| 30 | * This file contains fast MMU trap handlers. |
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| 31 | */ |
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| 32 | |||
| 33 | #ifndef __sparc64_MMU_TRAP_H__ |
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| 34 | #define __sparc64_MMU_TRAP_H__ |
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| 35 | |||
| 883 | jermar | 36 | #include <arch/stack.h> |
| 37 | |||
| 864 | jermar | 38 | #define TT_FAST_INSTRUCTION_ACCESS_MMU_MISS 0x64 |
| 39 | #define TT_FAST_DATA_ACCESS_MMU_MISS 0x68 |
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| 40 | #define TT_FAST_DATA_ACCESS_PROTECTION 0x6c |
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| 41 | |||
| 42 | #define FAST_MMU_HANDLER_SIZE 128 |
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| 43 | |||
| 867 | jermar | 44 | #ifdef __ASM__ |
| 864 | jermar | 45 | .macro FAST_INSTRUCTION_ACCESS_MMU_MISS_HANDLER |
| 883 | jermar | 46 | save %sp, -STACK_WINDOW_SAVE_AREA_SIZE, %sp |
| 864 | jermar | 47 | call fast_instruction_access_mmu_miss |
| 48 | nop |
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| 883 | jermar | 49 | restore |
| 864 | jermar | 50 | retry |
| 51 | .endm |
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| 52 | |||
| 53 | .macro FAST_DATA_ACCESS_MMU_MISS_HANDLER |
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| 883 | jermar | 54 | save %sp, -STACK_WINDOW_SAVE_AREA_SIZE, %sp |
| 864 | jermar | 55 | call fast_data_access_mmu_miss |
| 56 | nop |
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| 883 | jermar | 57 | restore |
| 864 | jermar | 58 | retry |
| 59 | .endm |
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| 60 | |||
| 61 | .macro FAST_DATA_ACCESS_PROTECTION_HANDLER |
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| 883 | jermar | 62 | save %sp, -STACK_WINDOW_SAVE_AREA_SIZE, %sp |
| 864 | jermar | 63 | call fast_data_access_protection |
| 64 | nop |
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| 883 | jermar | 65 | restore |
| 864 | jermar | 66 | retry |
| 67 | .endm |
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| 867 | jermar | 68 | #endif /* __ASM__ */ |
| 864 | jermar | 69 | |
| 70 | #endif |