changeset aeec9e157d06 in /z/repo/m5
details: http://repo.m5sim.org/m5?cmd=changeset;node=aeec9e157d06
description:
hammer: fixed dma uniproc error
Fixed an error reguarding DMA for uninprocessor systems. Basically
removed an
overly agressive optimization that lead to inconsistent state between
the
cache and the directory.
diffstat:
src/mem/protocol/MOESI_hammer-cache.sm | 10 +++++-----
1 files changed, 5 insertions(+), 5 deletions(-)
diffs (34 lines):
diff -r c7302d55d644 -r aeec9e157d06 src/mem/protocol/MOESI_hammer-cache.sm
--- a/src/mem/protocol/MOESI_hammer-cache.sm Thu Mar 31 18:20:12 2011 -0700
+++ b/src/mem/protocol/MOESI_hammer-cache.sm Fri Apr 01 15:50:23 2011 -0700
@@ -1532,8 +1532,8 @@
l_popForwardQueue;
}
- transition(MM, NC_DMA_GETS) {
- c_sendExclusiveData;
+ transition(MM, NC_DMA_GETS, O) {
+ ee_sendDataShared;
l_popForwardQueue;
}
@@ -1575,7 +1575,7 @@
l_popForwardQueue;
}
- transition(M, NC_DMA_GETS) {
+ transition(M, NC_DMA_GETS, O) {
ee_sendDataShared;
l_popForwardQueue;
}
@@ -1933,8 +1933,8 @@
l_popForwardQueue;
}
- transition(MM_F, NC_DMA_GETS) {
- ct_sendExclusiveDataFromTBE;
+ transition(MM_F, NC_DMA_GETS, OM_F) {
+ sq_sendSharedDataFromTBEToCache;
l_popForwardQueue;
}
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