The bridge isn't supported in the middle of a coherent hierarchy. Steve can probably comment more about why, but minimally it would need to support passing the express-snoops and it currently doesn't.
Ali On Oct 5, 2008, at 11:21 PM, Shoaib Akram wrote: > I am simulating a multiprocessor system with a shared bus. Private > L1,l2 and shared L3 (connected to shared bus through tol3bus). When > I insert a bridge between the shared bus and tol3bus, the L2 cache > on a miss, after allocating mshr and sending the bus packet on > shared bus, calls cleardownStreamPending(). This is not supposed to > happen since cleardownStreamPending() should be called by last- > level(L3) cache. cleardownStreamPending() is indeed called by the L3 > cache if there is no bridge. Any of the developers aware of the > implementation of this feature can throw some light maybe? > _______________________________________________ > m5-users mailing list > [email protected] > http://m5sim.org/cgi-bin/mailman/listinfo/m5-users > _______________________________________________ m5-users mailing list [email protected] http://m5sim.org/cgi-bin/mailman/listinfo/m5-users
