From a9cf1f856809ad1199845f516b53ebd4ae75e8cb Mon Sep 17 00:00:00 2001
From: Wei-Han Chen <weihanchen@google.com>
Date: Wed, 21 Jun 2023 08:20:16 +0000
Subject: [PATCH] dev: Warn when resp packet is error in dma port

This CL adds a warning when the response packet is error.

Change-Id: I8e94dc2b85cd1753a4d6265cfda3cd5d6325f425
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/71778
Reviewed-by: Jason Lowe-Power <power.jg@gmail.com>
Maintainer: Jason Lowe-Power <power.jg@gmail.com>
Reviewed-by: Yu-hsin Wang <yuhsingw@google.com>
Tested-by: kokoro <noreply+kokoro@google.com>
---
 src/dev/dma_device.cc | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/dev/dma_device.cc b/src/dev/dma_device.cc
index 24e931ef8d..70a74eeb2f 100644
--- a/src/dev/dma_device.cc
+++ b/src/dev/dma_device.cc
@@ -68,6 +68,7 @@ DmaPort::handleRespPacket(PacketPtr pkt, Tick delay)
 {
     // Should always see a response with a sender state.
     assert(pkt->isResponse());
+    warn_if(pkt->isError(), "Response pkt error.");
 
     // Get the DMA sender state.
     auto *state = dynamic_cast<DmaReqState*>(pkt->senderState);