diff options
Diffstat (limited to 'src/cpu/base.hh')
| -rw-r--r-- | src/cpu/base.hh | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/src/cpu/base.hh b/src/cpu/base.hh index 79a4bf1d6..7039fcfbc 100644 --- a/src/cpu/base.hh +++ b/src/cpu/base.hh @@ -1,5 +1,5 @@ /* - * Copyright (c) 2011-2013 ARM Limited + * Copyright (c) 2011-2013, 2017 ARM Limited * All rights reserved * * The license below extends only to copyright in the software and shall @@ -307,6 +307,11 @@ class BaseCPU : public MemObject void registerThreadContexts(); + // Functions to deschedule and reschedule the events to enter the + // power gating sleep before and after checkpoiting respectively. + void deschedulePowerGatingEvent(); + void schedulePowerGatingEvent(); + /** * Prepare for another CPU to take over execution. * @@ -583,6 +588,11 @@ class BaseCPU : public MemObject bool waitForRemoteGDB() const; Cycles syscallRetryLatency; + // Enables CPU to enter power gating on a configurable cycle count + protected: + const Cycles pwrGatingLatency; + void enterPwrGating(); + EventFunctionWrapper enterPwrGatingEvent; }; #endif // THE_ISA == NULL_ISA |