From 846a17308c424bf1203d6c29586fdcd7d7047493 Mon Sep 17 00:00:00 2001 From: Sudhanshu Jha Date: Wed, 1 Mar 2017 17:38:51 +0000 Subject: dev, arm: Render HDLCD frames at a fixed rate in KVM Use the new fast scan-out API in the PixelPump to render frames at a fixed frame rate in KVM mode. The refresh rate when running in KVM can be controlled by the virt_refresh_rate parameter. Change-Id: Ib3c78f174e3f8f4ca8a9b723c4e5d311a433b8aa Signed-off-by: Andreas Sandberg Reviewed-on: https://gem5-review.googlesource.com/2242 Reviewed-by: Rahul Thakur --- src/dev/arm/hdlcd.hh | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) (limited to 'src/dev/arm/hdlcd.hh') diff --git a/src/dev/arm/hdlcd.hh b/src/dev/arm/hdlcd.hh index acce6f191..4bca0bbbf 100644 --- a/src/dev/arm/hdlcd.hh +++ b/src/dev/arm/hdlcd.hh @@ -1,5 +1,5 @@ /* - * Copyright (c) 2010-2013, 2015 ARM Limited + * Copyright (c) 2010-2013, 2015, 2017 ARM Limited * All rights reserved * * The license below extends only to copyright in the software and shall @@ -116,6 +116,7 @@ class HDLcd: public AmbaDmaDevice const AddrRangeList addrRanges; const bool enableCapture; const Addr pixelBufferSize; + const Tick virtRefreshRate; protected: // Register handling /** ARM HDLcd register offsets */ @@ -344,6 +345,10 @@ class HDLcd: public AmbaDmaDevice HDLcd &parent; }; + /** Handler for fast frame refresh in KVM-mode */ + void virtRefresh(); + EventWrapper virtRefreshEvent; + /** Helper to write out bitmaps */ Bitmap bmp; -- cgit v1.2.3