diff options
Diffstat (limited to 'inc/cache.h')
| -rw-r--r-- | inc/cache.h | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/inc/cache.h b/inc/cache.h index a317f5d..c8c9736 100644 --- a/inc/cache.h +++ b/inc/cache.h @@ -30,17 +30,17 @@ class Cache : public Storage /** * Fetches `address` from a lower level of storage if it is not already * present. If it is not, temporarily sets the is_blocked attribute of this - * cache level to true. + * cache level to true, and the victim line is chosen/written back. * @param the address that must be present in cache. */ void fetch_resource(int address); /** - * An array of paired bits. - * If the least significant bit of an element is set, the corresponding - * element in `data` is invalid. If the most significant bit of an element - * is set, the corresponding element in `data` is dirty. + * An array of metadata about elements in `data`. + * If the first value of an element is negative, the corresponding + * element in `data` is invalid. If the most second value of an element + * is nonzero, the corresponding element in `data` is dirty. */ - std::array<std::bitset<2>, L1_CACHE_SIZE> stat; + std::array<std::array<int, 2>, L1_CACHE_SIZE> meta; }; #endif /* CACHE_H_INCLUDED */ |