| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * include/asm-alpha/cache.h |
| 3 | */ |
| 4 | #ifndef __ARCH_ALPHA_CACHE_H |
| 5 | #define __ARCH_ALPHA_CACHE_H |
| 6 | |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 22 | |
| 23 | #endif |