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/minor/cpu.cc | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'src/cpu/minor')

diff --git a/src/cpu/minor/cpu.cc b/src/cpu/minor/cpu.cc
index cd39a8b93..a707c6045 100644
--- a/src/cpu/minor/cpu.cc
+++ b/src/cpu/minor/cpu.cc
@@ -287,6 +287,8 @@ MinorCPU::activateContext(ThreadID thread_id)
     threads[thread_id]->activate();
     wakeupOnEvent(Minor::Pipeline::CPUStageId);
     pipeline->wakeupFetch();
+
+    BaseCPU::activateContext(thread_id);
 }
 
 void
@@ -295,6 +297,8 @@ MinorCPU::suspendContext(ThreadID thread_id)
     DPRINTF(MinorCPU, "SuspendContext %d\n", thread_id);
 
     threads[thread_id]->suspend();
+
+    BaseCPU::suspendContext(thread_id);
 }
 
 void
-- 
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