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| author | Brad Beckmann <Brad.Beckmann@amd.com> | 2011-04-01 15:50:23 -0700 |
|---|---|---|
| committer | Brad Beckmann <Brad.Beckmann@amd.com> | 2011-04-01 15:50:23 -0700 |
| commit | 0788ea7b3b68bae82adf49bad474da3afdab0506 (patch) | |
| tree | eb249558ea05a4ecfc667fc7794622879d015637 /src/mem | |
| parent | 01fc529bb2e2bf2021b5ec0c0e88136f1665abe6 (diff) | |
| download | gem5-0788ea7b3b68bae82adf49bad474da3afdab0506.tar.xz | |
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 (limited to 'src/mem')
| -rw-r--r-- | src/mem/protocol/MOESI_hammer-cache.sm | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/src/mem/protocol/MOESI_hammer-cache.sm b/src/mem/protocol/MOESI_hammer-cache.sm index 546160b73..06c9ea76b 100644 --- a/src/mem/protocol/MOESI_hammer-cache.sm +++ b/src/mem/protocol/MOESI_hammer-cache.sm @@ -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; } |