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 |