include/asm-alpha/cache.h

   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