Add parameters for backwards and forwards sizes for time buffers.

src/base/timebuf.hh:
    Add a function to return the size of the time buffer.

--HG--
extra : convert_revision : 8ffacd8b9013eb76264df065244e00dc1460efd4

1 files changed, 9 insertions, 3 deletions

diff --git a/src/cpu/o3/alpha/cpu_builder.cc b/src/cpu/o3/alpha/cpu_builder.cc
index d61eee4b1..5e767655d 100644
--- a/src/cpu/o3/alpha/cpu_builder.cc
+++ b/src/cpu/o3/alpha/cpu_builder.cc
@@ -102,7 +102,9 @@ Param<unsigned> renameToROBDelay;
 Param<unsigned> commitWidth;
 Param<unsigned> squashWidth;
 Param<Tick> trapLatency;
-Param<Tick> fetchTrapLatency;
+
+Param<unsigned> backComSize;
+Param<unsigned> forwardComSize;
 
 Param<std::string> predType;
 Param<unsigned> localPredictorSize;
@@ -222,7 +224,9 @@ BEGIN_INIT_SIM_OBJECT_PARAMS(DerivO3CPU)
     INIT_PARAM(commitWidth, "Commit width"),
     INIT_PARAM(squashWidth, "Squash width"),
     INIT_PARAM_DFLT(trapLatency, "Number of cycles before the trap is handled", 6),
-    INIT_PARAM_DFLT(fetchTrapLatency, "Number of cycles before the fetch trap is handled", 12),
+
+    INIT_PARAM(backComSize, "Time buffer size for backwards communication"),
+    INIT_PARAM(forwardComSize, "Time buffer size for forward communication"),
 
     INIT_PARAM(predType, "Type of branch predictor ('local', 'tournament')"),
     INIT_PARAM(localPredictorSize, "Size of local predictor"),
@@ -350,7 +354,9 @@ CREATE_SIM_OBJECT(DerivO3CPU)
     params->commitWidth = commitWidth;
     params->squashWidth = squashWidth;
     params->trapLatency = trapLatency;
-    params->fetchTrapLatency = fetchTrapLatency;
+
+    params->backComSize = backComSize;
+    params->forwardComSize = forwardComSize;
 
     params->predType = predType;
     params->localPredictorSize = localPredictorSize;