| 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 | |
| 7 | #include <linux/config.h> |
| 8 | |
| 9 | /* Bytes per L1 (data) cache line. */ |
| 10 | #if defined(CONFIG_ALPHA_GENERIC) || defined(CONFIG_ALPHA_EV6) |
| 11 | # define L1_CACHE_BYTES 64 |
| 12 | # define L1_CACHE_SHIFT 6 |
| 13 | #else |
| 14 | /* Both EV4 and EV5 are write-through, read-allocate, |
| 15 | direct-mapped, physical. |
| 16 | */ |
| 17 | # define L1_CACHE_BYTES 32 |
| 18 | # define L1_CACHE_SHIFT 5 |
| 19 | #endif |
| 20 | |
| 21 | #define L1_CACHE_ALIGN(x) (((x)+(L1_CACHE_BYTES-1))&~(L1_CACHE_BYTES-1)) |
| 22 | #define SMP_CACHE_BYTES L1_CACHE_BYTES |
| 23 | #define L1_CACHE_SHIFT_MAX L1_CACHE_SHIFT |
| 24 | |
| 25 | #endif |