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author | Steve Reinhardt <stever@eecs.umich.edu> | 2007-05-22 06:29:48 -0700 |
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committer | Steve Reinhardt <stever@eecs.umich.edu> | 2007-05-22 06:29:48 -0700 |
commit | 9048c695a0ecde709a074259bad9ad1cda57a303 (patch) | |
tree | a7f029ca6b30b538c5089b06d1ab0e255efda26b /src/mem/packet.cc | |
parent | 0a02e3a7643d15ed662aedf4566a9dea7a07f2f2 (diff) | |
download | gem5-9048c695a0ecde709a074259bad9ad1cda57a303.tar.xz |
Another pass of minor changes in preparation for new protocol.
src/mem/cache/cache_impl.hh:
src/mem/cache/coherence/simple_coherence.hh:
Get rid of old invalidate propagation logic in preparation
for new multilevel snoop protocol.
src/mem/cache/coherence/coherence_protocol.cc:
L2 cache now has protocol, so protocol must handle ReadExReq
coming in from the CPU side.
src/mem/cache/miss/mshr_queue.cc:
Assertion is failing, so let's take it out for now.
src/mem/packet.cc:
src/mem/packet.hh:
Add WritebackAck command.
Reorganize enum to put responses next to corresponding requests.
Get rid of unused WriteReqNoAck.
--HG--
extra : convert_revision : 24c519846d161978123f9aa029ae358a41546c73
Diffstat (limited to 'src/mem/packet.cc')
-rw-r--r-- | src/mem/packet.cc | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/src/mem/packet.cc b/src/mem/packet.cc index 2463a19ba..8c69def37 100644 --- a/src/mem/packet.cc +++ b/src/mem/packet.cc @@ -56,17 +56,18 @@ MemCmd::commandInfo[] = { 0, InvalidCmd, "InvalidCmd" }, /* ReadReq */ { SET3(IsRead, IsRequest, NeedsResponse), ReadResp, "ReadReq" }, + /* ReadResp */ + { SET3(IsRead, IsResponse, HasData), InvalidCmd, "ReadResp" }, /* WriteReq */ { SET4(IsWrite, IsRequest, NeedsResponse, HasData), WriteResp, "WriteReq" }, - /* WriteReqNoAck */ - { SET3(IsWrite, IsRequest, HasData), InvalidCmd, "WriteReqNoAck" }, - /* ReadResp */ - { SET3(IsRead, IsResponse, HasData), InvalidCmd, "ReadResp" }, /* WriteResp */ { SET2(IsWrite, IsResponse), InvalidCmd, "WriteResp" }, /* Writeback */ - { SET3(IsWrite, IsRequest, HasData), InvalidCmd, "Writeback" }, + { SET4(IsWrite, IsRequest, HasData, NeedsResponse), + WritebackAck, "Writeback" }, + /* WritebackAck */ + { SET2(IsWrite, IsResponse), InvalidCmd, "WritebackAck" }, /* SoftPFReq */ { SET4(IsRead, IsRequest, IsSWPrefetch, NeedsResponse), SoftPFResp, "SoftPFReq" }, |