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| author | Akash Bagdia <akash.bagdia@ARM.com> | 2014-12-09 10:42:08 +0000 |
|---|---|---|
| committer | Akash Bagdia <akash.bagdia@ARM.com> | 2014-12-09 10:42:08 +0000 |
| commit | 1c34ee20dfbbd557e394d61825232b10c0f3d37f (patch) | |
| tree | b3a6cedf9cb10fec3c0722df7301bc1c5cca1507 /src/cpu/base.hh | |
| parent | 3ee4957b4930a252c0185a6bc71bdf1c6ebc5ed9 (diff) | |
| download | gem5-1c34ee20dfbbd557e394d61825232b10c0f3d37f.tar.xz | |
power: Low-power idle power state for idle CPUs
Add functionality to the BaseCPU that will put the entire CPU into a low-power
idle state whenever all threads in it are idle.
Diffstat (limited to 'src/cpu/base.hh')
| -rw-r--r-- | src/cpu/base.hh | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/src/cpu/base.hh b/src/cpu/base.hh index 438c38812..f01aa71f3 100644 --- a/src/cpu/base.hh +++ b/src/cpu/base.hh @@ -279,10 +279,11 @@ class BaseCPU : public MemObject Trace::InstTracer * getTracer() { return tracer; } /// Notify the CPU that the indicated context is now active. - virtual void activateContext(ThreadID thread_num) {} + virtual void activateContext(ThreadID thread_num); /// Notify the CPU that the indicated context is now suspended. - virtual void suspendContext(ThreadID thread_num) {} + /// Check if possible to enter a lower power state + virtual void suspendContext(ThreadID thread_num); /// Notify the CPU that the indicated context is now halted. virtual void haltContext(ThreadID thread_num) {} |