diff options
-rw-r--r-- | src/cpu/simple/base.cc | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/src/cpu/simple/base.cc b/src/cpu/simple/base.cc index c9d4f4c8f..3d07961f1 100644 --- a/src/cpu/simple/base.cc +++ b/src/cpu/simple/base.cc @@ -335,7 +335,11 @@ BaseSimpleCPU::setupFetchRequest(Request *req) thread->readNextPC()); #endif - req->setVirt(0, thread->readPC() & ~3, sizeof(MachInst), 0, + // This will generate a mask which aligns the pc on MachInst size + // boundaries. It won't work for non-power-of-two sized MachInsts, but + // it will work better than a hard coded mask. + const Addr PCMask = ~(sizeof(MachInst) - 1); + req->setVirt(0, thread->readPC() & PCMask, sizeof(MachInst), 0, thread->readPC()); Fault fault = thread->translateInstReq(req); |