diff options
author | Korey Sewell <ksewell@umich.edu> | 2011-06-19 21:43:42 -0400 |
---|---|---|
committer | Korey Sewell <ksewell@umich.edu> | 2011-06-19 21:43:42 -0400 |
commit | b963b339b9d0f5a4583e62f32766f085ad95529e (patch) | |
tree | b464533d83eb260f3d9b0c49d4a06a6cfd11f3e5 /src/cpu/inorder/cpu.cc | |
parent | eedd04e894b828489975dcc8407eaf9e400d1f15 (diff) | |
download | gem5-b963b339b9d0f5a4583e62f32766f085ad95529e.tar.xz |
inorder: se: squash after syscalls
Diffstat (limited to 'src/cpu/inorder/cpu.cc')
-rw-r--r-- | src/cpu/inorder/cpu.cc | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/src/cpu/inorder/cpu.cc b/src/cpu/inorder/cpu.cc index fbd4a6068..d8552d9d3 100644 --- a/src/cpu/inorder/cpu.cc +++ b/src/cpu/inorder/cpu.cc @@ -1713,7 +1713,16 @@ InOrderCPU::wakeup() void InOrderCPU::syscallContext(Fault fault, ThreadID tid, DynInstPtr inst, int delay) { - //@todo: squash behind syscall + // Syscall must be non-speculative, so squash from last stage + unsigned squash_stage = NumStages - 1; + inst->setSquashInfo(squash_stage); + + // Squash In Pipeline Stage + pipelineStage[squash_stage]->setupSquash(inst, tid); + + // Schedule Squash Through-out Resource Pool + resPool->scheduleEvent( + (InOrderCPU::CPUEventType)ResourcePool::SquashAll, inst, 0); scheduleCpuEvent(Syscall, fault, tid, inst, delay, Syscall_Pri); } |