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author | Gabe Black <gblack@eecs.umich.edu> | 2009-04-06 10:19:36 -0700 |
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committer | Gabe Black <gblack@eecs.umich.edu> | 2009-04-06 10:19:36 -0700 |
commit | d080581db1f9ee4e1e6d07d2b01c13c67908a391 (patch) | |
tree | cc484b289fa5a30c4631f9faa1d8b456bffeebfc /src/mem/cache/tags/fa_lru.hh | |
parent | 7a7c4c5fca83a8d47c7e71c9c080a882ebe204a9 (diff) | |
parent | 639cb0a42d953ee32bc7e96b0cdfa96cd40e9fc1 (diff) | |
download | gem5-d080581db1f9ee4e1e6d07d2b01c13c67908a391.tar.xz |
Merge ARM into the head. ARM will compile but may not actually work.
Diffstat (limited to 'src/mem/cache/tags/fa_lru.hh')
-rw-r--r-- | src/mem/cache/tags/fa_lru.hh | 51 |
1 files changed, 11 insertions, 40 deletions
diff --git a/src/mem/cache/tags/fa_lru.hh b/src/mem/cache/tags/fa_lru.hh index cabcf18b4..4eab10c49 100644 --- a/src/mem/cache/tags/fa_lru.hh +++ b/src/mem/cache/tags/fa_lru.hh @@ -139,11 +139,11 @@ class FALRU : public BaseTags */ /** Hits in each cache size >= 128K. */ - Stats::Vector<> hits; + Stats::Vector hits; /** Misses in each cache size >= 128K. */ - Stats::Vector<> misses; + Stats::Vector misses; /** Total number of accesses. */ - Stats::Scalar<> accesses; + Stats::Scalar accesses; /** * @} @@ -165,29 +165,23 @@ public: void regStats(const std::string &name); /** - * Return true if the address is found in the cache. - * @param asid The address space ID. - * @param addr The address to look for. - * @return True if the address is in the cache. - */ - bool probe(Addr addr) const; - - /** * Invalidate a cache block. * @param blk The block to invalidate. */ void invalidateBlk(BlkType *blk); /** - * Find the block in the cache and update the replacement data. Returns - * the access latency and the in cache flags as a side effect + * Access block and update replacement data. May not succeed, in which case + * NULL pointer is returned. This has all the implications of a cache + * access and should only be used as such. + * Returns the access latency and inCache flags as a side effect. * @param addr The address to look for. * @param asid The address space ID. * @param lat The latency of the access. * @param inCache The FALRUBlk::inCache flags. * @return Pointer to the cache block. */ - FALRUBlk* findBlock(Addr addr, int &lat, int *inCache = 0); + FALRUBlk* accessBlock(Addr addr, int &lat, int *inCache = 0); /** * Find the block in the cache, do not update the replacement data. @@ -203,7 +197,9 @@ public: * @param writebacks List for any writebacks to be performed. * @return The block to place the replacement in. */ - FALRUBlk* findReplacement(Addr addr, PacketList & writebacks); + FALRUBlk* findVictim(Addr addr, PacketList & writebacks); + + void insertBlock(Addr addr, BlkType *blk); /** * Return the hit latency of this cache. @@ -283,31 +279,6 @@ public: { return (tag); } - - /** - * Read the data out of the internal storage of a cache block. FALRU - * currently doesn't support data storage. - * @param blk The cache block to read. - * @param data The buffer to read the data into. - * @return The data from the cache block. - */ - void readData(FALRUBlk *blk, uint8_t *data) - { - } - - /** - * Write data into the internal storage of a cache block. FALRU - * currently doesn't support data storage. - * @param blk The cache block to be written. - * @param data The data to write. - * @param size The number of bytes to write. - * @param writebacks A list for any writebacks to be performed. May be - * needed when writing to a compressed block. - */ - void writeData(FALRUBlk *blk, uint8_t *data, int size, - PacketList &writebacks) - { - } }; #endif |