It's also worth noting that some default responders respond with bus errors, some respond with 0 (like PCI) and some respond with FFFFFFFF (ISA bus). This sort of thing is what it's for.
Nate On Fri, Jun 26, 2009 at 2:26 PM, Ali Saidi<[email protected]> wrote: > The default port normally contains a responder that responds when no > port has a device within the requested address range. One case where > something like this could occur is on a speculative path in the out-of- > order CPU. > > Ali > > On Jun 25, 2009, at 2:47 PM, Shoaib Akram wrote: > >> What is the significance of default port? I have a bus with four >> caches and one bridge connected to it. When I printed port ids (by >> iterating over the interfaces data structure), the four mem_side >> ports of caches have ids 0,1,2,3 wit 4 as default port. Now I am >> receiving a pcket on that bus with src 4 dest 0. Is it safe to >> assume the 4 as the bridge_port? >> _______________________________________________ >> 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 > > _______________________________________________ m5-users mailing list [email protected] http://m5sim.org/cgi-bin/mailman/listinfo/m5-users
