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authorNilay Vaish <nilay@cs.wisc.edu>2014-11-06 05:42:20 -0600
committerNilay Vaish <nilay@cs.wisc.edu>2014-11-06 05:42:20 -0600
commitd25b722e4a9500f2d4b2ca937900bf093242ddfa (patch)
tree8eaa415786c9f2ac2ffff67799068381fdbaf90f /README
parent0baaed60ab961b8eb3399ee2c34adeea7335f5b3 (diff)
downloadgem5-d25b722e4a9500f2d4b2ca937900bf093242ddfa.tar.xz
ruby: coherence protocols: remove data block from dirctory entry
This patch removes the data block present in the directory entry structure of each protocol in gem5's mainline. Firstly, this is required for moving towards common set of memory controllers for classic and ruby memory systems. Secondly, the data block was being misused in several places. It was being used for having free access to the physical memory instead of calling on the memory controller. From now on, the directory controller will not have a direct visibility into the physical memory. The Memory Vector object now resides in the Memory Controller class. This also means that some significant changes are being made to the functional accesses in ruby.
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