include/asm-ppc64/cache.h

   1 /*
   2  * This program is free software; you can redistribute it and/or
   3  * modify it under the terms of the GNU General Public License
   4  * as published by the Free Software Foundation; either version
   5  * 2 of the License, or (at your option) any later version.
   6  */
   7 #ifndef __ARCH_PPC64_CACHE_H
   8 #define __ARCH_PPC64_CACHE_H
   9
  10 #include <asm/types.h>
  11
  12 /* bytes per L1 cache line */
  13 #define L1_CACHE_SHIFT  7
  14 #define L1_CACHE_BYTES  (1 << L1_CACHE_SHIFT)
  15
  16 #define SMP_CACHE_BYTES L1_CACHE_BYTES
  17 #define L1_CACHE_SHIFT_MAX 7    /* largest L1 which this arch supports */
  18
  19 #ifndef __ASSEMBLY__
  20
  21 struct ppc64_caches {
  22         u32     dsize;                  /* L1 d-cache size */
  23         u32     dline_size;             /* L1 d-cache line size */
  24         u32     log_dline_size;
  25         u32     dlines_per_page;
  26         u32     isize;                  /* L1 i-cache size */
  27         u32     iline_size;             /* L1 i-cache line size */
  28         u32     log_iline_size;
  29         u32     ilines_per_page;
  30 };
  31
  32 extern struct ppc64_caches ppc64_caches;
  33
  34 #endif
  35
  36 #endif