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1da177e4 LT |
1 | /* |
2 | * include/asm-alpha/cache.h | |
3 | */ | |
4 | #ifndef __ARCH_ALPHA_CACHE_H | |
5 | #define __ARCH_ALPHA_CACHE_H | |
6 | ||
1da177e4 LT |
7 | |
8 | /* Bytes per L1 (data) cache line. */ | |
9 | #if defined(CONFIG_ALPHA_GENERIC) || defined(CONFIG_ALPHA_EV6) | |
10 | # define L1_CACHE_BYTES 64 | |
11 | # define L1_CACHE_SHIFT 6 | |
12 | #else | |
13 | /* Both EV4 and EV5 are write-through, read-allocate, | |
14 | direct-mapped, physical. | |
15 | */ | |
16 | # define L1_CACHE_BYTES 32 | |
17 | # define L1_CACHE_SHIFT 5 | |
18 | #endif | |
19 | ||
20 | #define L1_CACHE_ALIGN(x) (((x)+(L1_CACHE_BYTES-1))&~(L1_CACHE_BYTES-1)) | |
21 | #define SMP_CACHE_BYTES L1_CACHE_BYTES | |
1da177e4 LT |
22 | |
23 | #endif |