sanchayanmaity/gem5
1
0
Fork 0
Code Issues Pull requests Packages Projects Releases Wiki Activity

hammer: fixed dma uniproc error

Browse source 
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.
This commit is contained in:
Brad Beckmann 2011-04-01 15:50:23 -07:00
parent 01fc529bb2
commit 0788ea7b3b
1 changed files with 5 additions and 5 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

10
src/mem/protocol/MOESI_hammer-cache.sm
View file

@ -1532,8 +1532,8 @@ machine(L1Cache, "AMD Hammer-like protocol")
l_popForwardQueue;
}
transition(MM, NC_DMA_GETS) {
c_sendExclusiveData;
transition(MM, NC_DMA_GETS, O) {
ee_sendDataShared;
l_popForwardQueue;
}
@ -1575,7 +1575,7 @@ machine(L1Cache, "AMD Hammer-like protocol")
l_popForwardQueue;
}
transition(M, NC_DMA_GETS) {
transition(M, NC_DMA_GETS, O) {
ee_sendDataShared;
l_popForwardQueue;
}
@ -1933,8 +1933,8 @@ machine(L1Cache, "AMD Hammer-like protocol")
l_popForwardQueue;
}
transition(MM_F, NC_DMA_GETS) {
ct_sendExclusiveDataFromTBE;
transition(MM_F, NC_DMA_GETS, OM_F) {
sq_sendSharedDataFromTBEToCache;
l_popForwardQueue;
}