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author | Joel Hestness <hestness@cs.utexas.edu> | 2010-08-12 17:16:02 -0700 |
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committer | Joel Hestness <hestness@cs.utexas.edu> | 2010-08-12 17:16:02 -0700 |
commit | 53c241fc16e4edaae8440b3dd360503537dbaba3 (patch) | |
tree | 770f719bfdc90226ba7b755782382a3192513c78 /src/cpu/simple | |
parent | 2e9e75447a50146e0e8346de4362f7a4570f84ec (diff) | |
download | gem5-53c241fc16e4edaae8440b3dd360503537dbaba3.tar.xz |
TimingSimpleCPU: fix NO_ACCESS memory op handling
When a request is NO_ACCESS (x86 CDA microinstruction), the memory op
doesn't go to the cache, so TimingSimpleCPU::completeDataAccess needs
to handle the case where the current status of the CPU is Running
and not DcacheWaitResponse or DTBWaitResponse
Diffstat (limited to 'src/cpu/simple')
-rw-r--r-- | src/cpu/simple/timing.cc | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/src/cpu/simple/timing.cc b/src/cpu/simple/timing.cc index b8fc5ab84..8a53aac3a 100644 --- a/src/cpu/simple/timing.cc +++ b/src/cpu/simple/timing.cc @@ -868,6 +868,8 @@ TimingSimpleCPU::completeDataAccess(PacketPtr pkt) // received a response from the dcache: complete the load or store // instruction assert(!pkt->isError()); + assert(_status == DcacheWaitResponse || _status == DTBWaitResponse || + pkt->req->getFlags().isSet(Request::NO_ACCESS)); numCycles += tickToCycles(curTick - previousTick); previousTick = curTick; @@ -897,7 +899,6 @@ TimingSimpleCPU::completeDataAccess(PacketPtr pkt) } } - assert(_status == DcacheWaitResponse || _status == DTBWaitResponse); _status = Running; Fault fault = curStaticInst->completeAcc(pkt, this, traceData); |