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 #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