Make branches work by repopulating the predecoder every time through. This is probably fine as far as the predecoder goes, but the simple cpu might want to not refetch something it already has. That reintroduces the self modifying code problem though.

--HG--
extra : convert_revision : 802197e65f8dc1ad657c6b346091e03cb563b0c0

1 files changed, 3 insertions, 3 deletions

diff --git a/src/cpu/simple/atomic.cc b/src/cpu/simple/atomic.cc
index ea1c7d87f..03ff1282b 100644
--- a/src/cpu/simple/atomic.cc
+++ b/src/cpu/simple/atomic.cc
@@ -521,15 +521,15 @@ AtomicSimpleCPU::tick()
             dcache_access = false; // assume no dcache access
 
             //Fetch more instruction memory if necessary
-            if(predecoder.needMoreBytes())
-            {
+            //if(predecoder.needMoreBytes())
+            //{
                 icache_access = true;
                 ifetch_pkt->reinitFromRequest();
 
                 icache_latency = icachePort.sendAtomic(ifetch_pkt);
                 // ifetch_req is initialized to read the instruction directly
                 // into the CPU object's inst field.
-            }
+            //}
 
             preExecute();