From 1c34ee20dfbbd557e394d61825232b10c0f3d37f Mon Sep 17 00:00:00 2001
From: Akash Bagdia <akash.bagdia@ARM.com>
Date: Tue, 9 Dec 2014 10:42:08 +0000
Subject: 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.
---
 src/cpu/o3/cpu.cc | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'src/cpu/o3')

diff --git a/src/cpu/o3/cpu.cc b/src/cpu/o3/cpu.cc
index 79ad705bf..73174e4a9 100644
--- a/src/cpu/o3/cpu.cc
+++ b/src/cpu/o3/cpu.cc
@@ -735,6 +735,8 @@ FullO3CPU<Impl>::activateContext(ThreadID tid)
         lastActivatedCycle = curTick();
 
         _status = Running;
+
+        BaseCPU::activateContext(tid);
     }
 }
 
@@ -755,6 +757,8 @@ FullO3CPU<Impl>::suspendContext(ThreadID tid)
     }
 
     DPRINTF(Quiesce, "Suspending Context\n");
+
+    BaseCPU::suspendContext(tid);
 }
 
 template <class Impl>
-- 
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