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| author | David Guillen Fandos <david.guillen@arm.com> | 2016-06-06 17:16:43 +0100 |
|---|---|---|
| committer | David Guillen Fandos <david.guillen@arm.com> | 2016-06-06 17:16:43 +0100 |
| commit | fb5fc11da49938660ea22c336964677cdba890e1 (patch) | |
| tree | 321c3c2a60e6e5f317904cc89971700d939cc5ec /src/cpu/base.hh | |
| parent | d4342aff4ce347ad8ab5a01fdd41993106cd3ece (diff) | |
| download | gem5-fb5fc11da49938660ea22c336964677cdba890e1.tar.xz | |
pwr: 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.
Change-Id: I984d1656eb0a4863c87ceacd773d2d10de5cfd2b
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 748602c25..6622339e0 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) {} |