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authorStephan Diestelhorst <stephan.diestelhorst@ARM.com>2015-03-17 11:50:55 +0000
committerStephan Diestelhorst <stephan.diestelhorst@ARM.com>2015-03-17 11:50:55 +0000
commit2847d5f5177304236dcdbab112a0369f0bd96aea (patch)
treeec99cb6bb885cd97a6eb81cb07bc1710b3e348fb /tests/long
parent706597f021811511e71fddeeab7dcfc33bfd5f35 (diff)
downloadgem5-2847d5f5177304236dcdbab112a0369f0bd96aea.tar.xz
mem: Create a request copy for deferred snoops
Sometimes, we need to defer an express snoop in an MSHR, but the original request might complete and deallocate the original pkt->req. In those cases, create a copy of the request so that someone who is inspecting the delayed snoop can also inspect the request still. All of this is rather hacky, but the allocation / linking and general life-time management of Packet and Request is rather tricky. Deleting the copy is another tricky area, testing so far has shown that the right copy is deleted at the right time.
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