diff options
author | Ron Dreslinski <rdreslin@umich.edu> | 2006-10-08 19:05:48 -0400 |
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committer | Ron Dreslinski <rdreslin@umich.edu> | 2006-10-08 19:05:48 -0400 |
commit | e65f0cef3ca70edf37ff74920def4ac899f6c7e3 (patch) | |
tree | 975e458e2e1c5e566810abdfb27375679ff95867 /src/mem/physical.cc | |
parent | 8a539a774ff3ae701e2aa4daae96b5d988c74409 (diff) | |
download | gem5-e65f0cef3ca70edf37ff74920def4ac899f6c7e3.tar.xz |
Only respond if the pkt needs a response.
Fix an issue with memory handling writebacks.
src/mem/cache/base_cache.hh:
src/mem/tport.cc:
Only respond if the pkt needs a response.
src/mem/physical.cc:
Make physical memory respond to writebacks, set satisfied for invalidates/upgrades.
--HG--
extra : convert_revision : 7601987a7923e54a6d1a168def4f8133d8de19fd
Diffstat (limited to 'src/mem/physical.cc')
-rw-r--r-- | src/mem/physical.cc | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/src/mem/physical.cc b/src/mem/physical.cc index 23b1d5ffc..070693442 100644 --- a/src/mem/physical.cc +++ b/src/mem/physical.cc @@ -197,22 +197,25 @@ PhysicalMemory::doFunctionalAccess(Packet *pkt) { assert(pkt->getAddr() + pkt->getSize() < params()->addrRange.size()); - switch (pkt->cmd) { - case Packet::ReadReq: + if (pkt->isRead()) { if (pkt->req->isLocked()) { trackLoadLocked(pkt->req); } memcpy(pkt->getPtr<uint8_t>(), pmemAddr + pkt->getAddr() - params()->addrRange.start, pkt->getSize()); - break; - case Packet::WriteReq: + } + else if (pkt->isWrite()) { if (writeOK(pkt->req)) { memcpy(pmemAddr + pkt->getAddr() - params()->addrRange.start, pkt->getPtr<uint8_t>(), pkt->getSize()); } - break; - default: + } + else if (pkt->isInvalidate()) { + //upgrade or invalidate + pkt->flags |= SATISFIED; + } + else { panic("unimplemented"); } |