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authorNilay Vaish <nilay@cs.wisc.edu>2012-10-15 17:51:57 -0500
committerNilay Vaish <nilay@cs.wisc.edu>2012-10-15 17:51:57 -0500
commit5ffc16593997b35f4f1abbd149e01169e6bbcff5 (patch)
tree647411a3d027f2bdfaf750f65107affb6d9c002d /tests/quick
parent07ce90f7aa28a507493da905ba1881972250bb3a (diff)
downloadgem5-5ffc16593997b35f4f1abbd149e01169e6bbcff5.tar.xz
ruby: improved support for functional accesses
This patch adds support to different entities in the ruby memory system for more reliable functional read/write accesses. Only the simple network has been augmented as of now. Later on Garnet will also support functional accesses. The patch adds functional access code to all the different types of messages that protocols can send around. These messages are functionally accessed by going through the buffers maintained by the network entities. The patch also rectifies some of the bugs found in coherence protocols while testing the patch. With this patch applied, functional writes always succeed. But functional reads can still fail.
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