1 /* 2 * include/asm-alpha/cache.h 3 */ 4 #ifndef __ARCH_ALPHA_CACHE_H 5 #define __ARCH_ALPHA_CACHE_H 6 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 22 23 #endif 24