From fb5fc11da49938660ea22c336964677cdba890e1 Mon Sep 17 00:00:00 2001
From: David Guillen Fandos <david.guillen@arm.com>
Date: Mon, 6 Jun 2016 17:16:43 +0100
Subject: 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
---
 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 7e53a87f6..79807a2a7 100644
--- a/src/cpu/minor/cpu.cc
+++ b/src/cpu/minor/cpu.cc
@@ -290,6 +290,8 @@ MinorCPU::activateContext(ThreadID thread_id)
     threads[thread_id]->activate();
     wakeupOnEvent(Minor::Pipeline::CPUStageId);
     pipeline->wakeupFetch();
+
+    BaseCPU::activateContext(thread_id);
 }
 
 void
@@ -298,6 +300,8 @@ 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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