Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 |