mem/cache/mshr.cc

51 #include "mem/cache/mshr.hh"
60 #include "mem/cache/base.hh"
339     // - the MSHR's first (and only) non-deferred target is a cache
341     // - the new target is a cache maintenance packet (this is probably
385         // locally but is buffered unissued at some downstream cache
389         // in the standard way by the cache.  The only exception is
390         // that if we're an L2+ cache buffering an UpgradeReq from a
391         // higher-level cache, and the snoop is invalidating, then our
393         // since the upper-level cache no longer has a valid copy.
394         // That is, even though the upper-level cache got out on its
416         // cache invalidation operation is in progress, so logically
443         // the latter case the cache is responsible for deleting both
457             // inform the cache hierarchy that this cache had the line
466             // this cache doesn't respond to the clean request, a
486         // make sure that any downstream cache does not respond with a
538     // contain a cache maintenance request
540     // find the first target that is a cache maintenance request
546         // if the first deferred target is a cache maintenance packet
553         // if a cache maintenance operation exists, we promote all the
571     // if any of the deferred targets were upper-level cache
598         // was for a cache clean operation and we had a copy of the
599         // block. Since we serviced the cache clean operation and we
653 MSHR::sendPacket(BaseCache &cache)
655     return cache.sendMSHRQueuePacket(this);