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| author | Mitch Hayenga <mitch.hayenga@arm.com> | 2014-10-29 23:18:26 -0500 |
|---|---|---|
| committer | Mitch Hayenga <mitch.hayenga@arm.com> | 2014-10-29 23:18:26 -0500 |
| commit | 6847bbf7cefcebfeed6ec29fa139efcb3ce20be4 (patch) | |
| tree | 1c27673aef935e5c52f24b8aa171aa87541d918d /src/cpu/o3/inst_queue_impl.hh | |
| parent | b31d9e93e2744b044d7ccc2d9113bc367038e14f (diff) | |
| download | gem5-6847bbf7cefcebfeed6ec29fa139efcb3ce20be4.tar.xz | |
cpu: Add drain check functionality to IEW
IEW did not check the instQueue and memDepUnit to ensure
they were drained. This caused issues when drainSanityCheck()
did check those structures after asserting IEW was drained.
Diffstat (limited to 'src/cpu/o3/inst_queue_impl.hh')
| -rw-r--r-- | src/cpu/o3/inst_queue_impl.hh | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/src/cpu/o3/inst_queue_impl.hh b/src/cpu/o3/inst_queue_impl.hh index 0caee41ed..6a76b49d0 100644 --- a/src/cpu/o3/inst_queue_impl.hh +++ b/src/cpu/o3/inst_queue_impl.hh @@ -441,6 +441,17 @@ InstructionQueue<Impl>::setTimeBuffer(TimeBuffer<TimeStruct> *tb_ptr) } template <class Impl> +bool +InstructionQueue<Impl>::isDrained() const +{ + bool drained = dependGraph.empty() && instsToExecute.empty(); + for (ThreadID tid = 0; tid < numThreads; ++tid) + drained = drained && memDepUnit[tid].isDrained(); + + return drained; +} + +template <class Impl> void InstructionQueue<Impl>::drainSanityCheck() const { |