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Diffstat (limited to 'src/mem/cache/tags/base.hh')
| -rw-r--r-- | src/mem/cache/tags/base.hh | 33 |
1 files changed, 32 insertions, 1 deletions
diff --git a/src/mem/cache/tags/base.hh b/src/mem/cache/tags/base.hh index e4c0f68d8..05f51167e 100644 --- a/src/mem/cache/tags/base.hh +++ b/src/mem/cache/tags/base.hh @@ -1,5 +1,5 @@ /* - * Copyright (c) 2012-2013 ARM Limited + * Copyright (c) 2012-2014 ARM Limited * All rights reserved. * * The license below extends only to copyright in the software and shall @@ -196,6 +196,37 @@ class BaseTags : public ClockedObject return (addr & (Addr)(blkSize-1)); } + /** + * Find the cache block given set and way + * @param set The set of the block. + * @param way The way of the block. + * @return The cache block. + */ + virtual CacheBlk *findBlockBySetAndWay(int set, int way) const = 0; + + /** + * Limit the allocation for the cache ways. + * @param ways The maximum number of ways available for replacement. + */ + virtual void setWayAllocationMax(int ways) + { + panic("This tag class does not implement way allocation limit!\n"); + } + + /** + * Get the way allocation mask limit. + * @return The maximum number of ways available for replacement. + */ + virtual int getWayAllocationMax() const + { + panic("This tag class does not implement way allocation limit!\n"); + return -1; + } + + virtual unsigned getNumSets() const = 0; + + virtual unsigned getNumWays() const = 0; + virtual void invalidate(CacheBlk *blk) = 0; virtual CacheBlk* accessBlock(Addr addr, bool is_secure, Cycles &lat, |