projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 LT |
1 | /* |
| 2 | * linux/include/asm-arm/glue.h | |
| 3 | * | |
| 4 | * Copyright (C) 1997-1999 Russell King | |
| 5 | * Copyright (C) 2000-2002 Deep Blue Solutions Ltd. | |
| 6 | * | |
| 7 | * This program is free software; you can redistribute it and/or modify | |
| 8 | * it under the terms of the GNU General Public License version 2 as | |
| 9 | * published by the Free Software Foundation. | |
| 10 | * | |
| 11 | * This file provides the glue to stick the processor-specific bits | |
| 12 | * into the kernel in an efficient manner. The idea is to use branches | |
| 13 | * when we're only targetting one class of TLB, or indirect calls | |
| 14 | * when we're targetting multiple classes of TLBs. | |
| 15 | */ | |
| 16 | #ifdef __KERNEL__ | |
| 17 | ||
| 1da177e4 LT |
18 | |
| 19 | #ifdef __STDC__ | |
| 20 | #define ____glue(name,fn) name##fn | |
| 21 | #else | |
| 22 | #define ____glue(name,fn) name/**/fn | |
| 23 | #endif | |
| 24 | #define __glue(name,fn) ____glue(name,fn) | |
| 25 | ||
| 26 | ||
| 27 | ||
| 28 | /* | |
| 29 | * Data Abort Model | |
| 30 | * ================ | |
| 31 | * | |
| 32 | * We have the following to choose from: | |
| 33 | * arm6 - ARM6 style | |
| 34 | * arm7 - ARM7 style | |
| 35 | * v4_early - ARMv4 without Thumb early abort handler | |
| 36 | * v4t_late - ARMv4 with Thumb late abort handler | |
| 37 | * v4t_early - ARMv4 with Thumb early abort handler | |
| 38 | * v5tej_early - ARMv5 with Thumb and Java early abort handler | |
| 39 | * xscale - ARMv5 with Thumb with Xscale extensions | |
| 40 | * v6_early - ARMv6 generic early abort handler | |
| bbe88886 | 41 | * v7_early - ARMv7 generic early abort handler |
| 1da177e4 | 42 | */ |
| 48d7927b PB |
43 | #undef CPU_DABORT_HANDLER |
| 44 | #undef MULTI_DABORT | |
| 1da177e4 LT |
45 | |
| 46 | #if defined(CONFIG_CPU_ARM610) | |
| 48d7927b PB |
47 | # ifdef CPU_DABORT_HANDLER |
| 48 | # define MULTI_DABORT 1 | |
| 1da177e4 | 49 | # else |
| 48d7927b | 50 | # define CPU_DABORT_HANDLER cpu_arm6_data_abort |
| 1da177e4 LT |
51 | # endif |
| 52 | #endif | |
| 53 | ||
| 54 | #if defined(CONFIG_CPU_ARM710) | |
| 48d7927b PB |
55 | # ifdef CPU_DABORT_HANDLER |
| 56 | # define MULTI_DABORT 1 | |
| 1da177e4 | 57 | # else |
| 48d7927b | 58 | # define CPU_DABORT_HANDLER cpu_arm7_data_abort |
| 1da177e4 LT |
59 | # endif |
| 60 | #endif | |
| 61 | ||
| 62 | #ifdef CONFIG_CPU_ABRT_LV4T | |
| 48d7927b PB |
63 | # ifdef CPU_DABORT_HANDLER |
| 64 | # define MULTI_DABORT 1 | |
| 1da177e4 | 65 | # else |
| 48d7927b | 66 | # define CPU_DABORT_HANDLER v4t_late_abort |
| 1da177e4 LT |
67 | # endif |
| 68 | #endif | |
| 69 | ||
| 70 | #ifdef CONFIG_CPU_ABRT_EV4 | |
| 48d7927b PB |
71 | # ifdef CPU_DABORT_HANDLER |
| 72 | # define MULTI_DABORT 1 | |
| 1da177e4 | 73 | # else |
| 48d7927b | 74 | # define CPU_DABORT_HANDLER v4_early_abort |
| 1da177e4 LT |
75 | # endif |
| 76 | #endif | |
| 77 | ||
| 78 | #ifdef CONFIG_CPU_ABRT_EV4T | |
| 48d7927b PB |
79 | # ifdef CPU_DABORT_HANDLER |
| 80 | # define MULTI_DABORT 1 | |
| 1da177e4 | 81 | # else |
| 48d7927b | 82 | # define CPU_DABORT_HANDLER v4t_early_abort |
| 1da177e4 LT |
83 | # endif |
| 84 | #endif | |
| 85 | ||
| 86 | #ifdef CONFIG_CPU_ABRT_EV5TJ | |
| 48d7927b PB |
87 | # ifdef CPU_DABORT_HANDLER |
| 88 | # define MULTI_DABORT 1 | |
| 1da177e4 | 89 | # else |
| 48d7927b | 90 | # define CPU_DABORT_HANDLER v5tj_early_abort |
| 1da177e4 LT |
91 | # endif |
| 92 | #endif | |
| 93 | ||
| 94 | #ifdef CONFIG_CPU_ABRT_EV5T | |
| 48d7927b PB |
95 | # ifdef CPU_DABORT_HANDLER |
| 96 | # define MULTI_DABORT 1 | |
| 1da177e4 | 97 | # else |
| 48d7927b | 98 | # define CPU_DABORT_HANDLER v5t_early_abort |
| 1da177e4 LT |
99 | # endif |
| 100 | #endif | |
| 101 | ||
| 102 | #ifdef CONFIG_CPU_ABRT_EV6 | |
| 48d7927b PB |
103 | # ifdef CPU_DABORT_HANDLER |
| 104 | # define MULTI_DABORT 1 | |
| 1da177e4 | 105 | # else |
| 48d7927b | 106 | # define CPU_DABORT_HANDLER v6_early_abort |
| 1da177e4 LT |
107 | # endif |
| 108 | #endif | |
| 109 | ||
| bbe88886 | 110 | #ifdef CONFIG_CPU_ABRT_EV7 |
| 48d7927b PB |
111 | # ifdef CPU_DABORT_HANDLER |
| 112 | # define MULTI_DABORT 1 | |
| bbe88886 | 113 | # else |
| 48d7927b | 114 | # define CPU_DABORT_HANDLER v7_early_abort |
| bbe88886 CM |
115 | # endif |
| 116 | #endif | |
| 117 | ||
| 48d7927b | 118 | #ifndef CPU_DABORT_HANDLER |
| 1da177e4 LT |
119 | #error Unknown data abort handler type |
| 120 | #endif | |
| 121 | ||
| 48d7927b PB |
122 | /* |
| 123 | * Prefetch abort handler. If the CPU has an IFAR use that, otherwise | |
| 124 | * use the address of the aborted instruction | |
| 125 | */ | |
| 126 | #undef CPU_PABORT_HANDLER | |
| 127 | #undef MULTI_PABORT | |
| 128 | ||
| 129 | #ifdef CONFIG_CPU_PABRT_IFAR | |
| 130 | # ifdef CPU_PABORT_HANDLER | |
| 131 | # define MULTI_PABORT 1 | |
| 132 | # else | |
| 133 | # define CPU_PABORT_HANDLER(reg, insn) mrc p15, 0, reg, cr6, cr0, 2 | |
| 134 | # endif | |
| 135 | #endif | |
| 136 | ||
| 137 | #ifdef CONFIG_CPU_PABRT_NOIFAR | |
| 138 | # ifdef CPU_PABORT_HANDLER | |
| 139 | # define MULTI_PABORT 1 | |
| 140 | # else | |
| 141 | # define CPU_PABORT_HANDLER(reg, insn) mov reg, insn | |
| 142 | # endif | |
| 143 | #endif | |
| 144 | ||
| 145 | #ifndef CPU_PABORT_HANDLER | |
| 146 | #error Unknown prefetch abort handler type | |
| 147 | #endif | |
| 148 | ||
| 1da177e4 | 149 | #endif |