cache.h 568 B

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  1. /*
  2. * include/asm-alpha/cache.h
  3. */
  4. #ifndef __ARCH_ALPHA_CACHE_H
  5. #define __ARCH_ALPHA_CACHE_H
  6. #include <linux/config.h>
  7. /* Bytes per L1 (data) cache line. */
  8. #if defined(CONFIG_ALPHA_GENERIC) || defined(CONFIG_ALPHA_EV6)
  9. # define L1_CACHE_BYTES 64
  10. # define L1_CACHE_SHIFT 6
  11. #else
  12. /* Both EV4 and EV5 are write-through, read-allocate,
  13. direct-mapped, physical.
  14. */
  15. # define L1_CACHE_BYTES 32
  16. # define L1_CACHE_SHIFT 5
  17. #endif
  18. #define L1_CACHE_ALIGN(x) (((x)+(L1_CACHE_BYTES-1))&~(L1_CACHE_BYTES-1))
  19. #define SMP_CACHE_BYTES L1_CACHE_BYTES
  20. #endif