From ff7e67ee9340992fe405135b6b70243a44982c57 Mon Sep 17 00:00:00 2001
From: Matthew Poremba <matthew.poremba@amd.com>
Date: Wed, 26 Jul 2023 21:15:53 -0500
Subject: [PATCH] cpu: Set SLC bit for GPU tester

This fixes #131 by reverting to the old behavior of performing all
atomics at the system level. To do this the SLC bit needs to be set for
all atomic requests.

Change-Id: I63f4e449be1b02c933832d09700237f8c8026f4c
---
 src/cpu/testers/gpu_ruby_test/gpu_wavefront.cc | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/cpu/testers/gpu_ruby_test/gpu_wavefront.cc b/src/cpu/testers/gpu_ruby_test/gpu_wavefront.cc
index ae4078ee6c..0fcfba7a37 100644
--- a/src/cpu/testers/gpu_ruby_test/gpu_wavefront.cc
+++ b/src/cpu/testers/gpu_ruby_test/gpu_wavefront.cc
@@ -189,6 +189,7 @@ GpuWavefront::issueAtomicOps()
                                              AtomicOpFunctorPtr(amo_op));
         req->setPaddr(address);
         req->setReqInstSeqNum(tester->getActionSeqNum());
+        req->setCacheCoherenceFlags(Request::SLC_BIT);
         // set protocol-specific flags
         setExtraRequestFlags(req);