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authorKorey Sewell <ksewell@umich.edu>2011-06-19 21:43:40 -0400
committerKorey Sewell <ksewell@umich.edu>2011-06-19 21:43:40 -0400
commit561c33f0824a705cb360ecb4ae3bf8cfd490f007 (patch)
tree7fb92ebc9a8f09ceacb8ad8e60e60990a9939621 /src/cpu/inorder/pipeline_stage.cc
parentc4deabfb97928f81acb0d66338426cb5f2687c37 (diff)
downloadgem5-561c33f0824a705cb360ecb4ae3bf8cfd490f007.tar.xz
inorder: dont handle multiple faults on same cycle
if a faulting instruction reaches an execution unit, then ignore it and pass it through the pipeline. Once we recognize the fault in the graduation unit, dont allow a second fault to creep in on the same cycle.
Diffstat (limited to 'src/cpu/inorder/pipeline_stage.cc')
-rw-r--r--src/cpu/inorder/pipeline_stage.cc1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/cpu/inorder/pipeline_stage.cc b/src/cpu/inorder/pipeline_stage.cc
index 3c945d31c..ac180d3c0 100644
--- a/src/cpu/inorder/pipeline_stage.cc
+++ b/src/cpu/inorder/pipeline_stage.cc
@@ -130,6 +130,7 @@ PipelineStage::setTimeBuffer(TimeBuffer<TimeStruct> *tb_ptr)
timeBuffer = tb_ptr;
// Setup wire to write information back to fetch.
+ // @todo: should this be writing to the next stage => -1 and reading from is (0)???
toPrevStages = timeBuffer->getWire(0);
// Create wires to get information from proper places in time buffer.