diff options
Diffstat (limited to 'src/mem/cache/tags/base.hh')
| -rw-r--r-- | src/mem/cache/tags/base.hh | 18 |
1 files changed, 12 insertions, 6 deletions
diff --git a/src/mem/cache/tags/base.hh b/src/mem/cache/tags/base.hh index a7a35ffbb..273abf5dc 100644 --- a/src/mem/cache/tags/base.hh +++ b/src/mem/cache/tags/base.hh @@ -79,12 +79,7 @@ class BaseTags : public ClockedObject const unsigned size; /** The tag lookup latency of the cache. */ const Cycles lookupLatency; - /** - * The total access latency of the cache. This latency - * is different depending on the cache access mode - * (parallel or sequential) - */ - const Cycles accessLatency; + /** Pointer to the parent cache. */ BaseCache *cache; @@ -293,6 +288,17 @@ class BaseTags : public ClockedObject virtual CacheBlk* findVictim(Addr addr, const bool is_secure, std::vector<CacheBlk*>& evict_blks) const = 0; + /** + * Access block and update replacement data. May not succeed, in which case + * nullptr is returned. This has all the implications of a cache access and + * should only be used as such. Returns the tag lookup latency as a side + * effect. + * + * @param addr The address to find. + * @param is_secure True if the target memory space is secure. + * @param lat The latency of the tag lookup. + * @return Pointer to the cache block if found. + */ virtual CacheBlk* accessBlock(Addr addr, bool is_secure, Cycles &lat) = 0; /** |