diff options
Diffstat (limited to 'src/mem/cache/tags/sector_tags.hh')
-rw-r--r-- | src/mem/cache/tags/sector_tags.hh | 59 |
1 files changed, 4 insertions, 55 deletions
diff --git a/src/mem/cache/tags/sector_tags.hh b/src/mem/cache/tags/sector_tags.hh index c3c3bc8f9..518ab28a9 100644 --- a/src/mem/cache/tags/sector_tags.hh +++ b/src/mem/cache/tags/sector_tags.hh @@ -30,7 +30,7 @@ /** * @file - * Declaration of a sector set associative tag store. + * Declaration of a sector tag store. */ #ifndef __MEM_CACHE_TAGS_SECTOR_TAGS_HH__ @@ -58,11 +58,6 @@ class ReplaceableEntry; class SectorTags : public BaseTags { protected: - /** Typedef the set type used in this tag store. */ - typedef std::vector<SectorBlk*> SetType; - - /** The associativity of the cache. */ - const unsigned assoc; /** The allocatable associativity of the cache (alloc mask). */ unsigned allocAssoc; @@ -77,40 +72,19 @@ class SectorTags : public BaseTags /** The number of sectors in the cache. */ const unsigned numSectors; - /** The number of sets in the cache. */ - const unsigned numSets; /** The cache blocks. */ std::vector<SectorSubBlk> blks; /** The cache sector blocks. */ std::vector<SectorBlk> secBlks; - /** The cache sets. */ - std::vector<SetType> sets; - // Organization of an address: Tag | Set # | Sector Offset # | Offset # + // Organization of an address: + // Tag | Placement Location | Sector Offset # | Offset # /** The amount to shift the address to get the sector tag. */ const int sectorShift; - /** The amount to shift the address to get the set. */ - const int setShift; - /** The amount to shift the address to get the tag. */ - const int tagShift; /** Mask out all bits that aren't part of the sector tag. */ const unsigned sectorMask; - /** Mask out all bits that aren't part of the set index. */ - const unsigned setMask; - - /** - * Find all possible block locations for insertion and replacement of - * an address. Should be called immediately before ReplacementPolicy's - * findVictim() not to break cache resizing. - * Returns sector blocks in all ways belonging to the set of the address. - * - * @param addr The addr to a find possible locations for. - * @return The possible locations. - */ - std::vector<ReplaceableEntry*> getPossibleLocations(const Addr addr) const - override; public: /** Convenience typedef. */ @@ -178,15 +152,6 @@ class SectorTags : public BaseTags CacheBlk* findBlock(Addr addr, bool is_secure) const override; /** - * Find a sector block given set and way. - * - * @param set The set of the block. - * @param way The way of the block. - * @return The block. - */ - ReplaceableEntry* findBlockBySetAndWay(int set, int way) const override; - - /** * Find replacement victim based on address. * * @param addr Address to find a victim for. @@ -198,22 +163,6 @@ class SectorTags : public BaseTags std::vector<CacheBlk*>& evict_blks) const override; /** - * Generate the sector tag from the given address. - * - * @param addr The address to get the sector tag from. - * @return The sector tag of the address. - */ - Addr extractTag(Addr addr) const override; - - /** - * Calculate the set index from the address. - * - * @param addr The address to get the set from. - * @return The set index of the address. - */ - int extractSet(Addr addr) const; - - /** * Calculate a block's offset in a sector from the address. * * @param addr The address to get the offset from. @@ -222,7 +171,7 @@ class SectorTags : public BaseTags int extractSectorOffset(Addr addr) const; /** - * Regenerate the block address from the tag and set. + * Regenerate the block address from the tag and location. * * @param block The block. * @return the block address. |