From fc4ec2b74d8b3710f3c62a6392fcf75f3af3ac76 Mon Sep 17 00:00:00 2001
From: Moritz Scherer <scheremo@iis.ee.ethz.ch>
Date: Thu, 17 Oct 2024 14:20:14 +0200
Subject: [PATCH] Add failure indication in testCluster

---
 sw/tests/testCluster.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/sw/tests/testCluster.c b/sw/tests/testCluster.c
index 1cc4a24..528965c 100644
--- a/sw/tests/testCluster.c
+++ b/sw/tests/testCluster.c
@@ -26,11 +26,15 @@ int main() {
     clusterMemPtr = (volatile int32_t *)CLUSTERMEMORYSTART;
     for (int i = 0; i < NUMCLUSTERS; i++) {
         result = *(clusterMemPtr);
-        ret += (result == TESTVAL);
+        if (result == TESTVAL) {
+          ret += 1;
+        } else {
+          ret += 1 << (NUMCLUSTERS+i);
+        }
         clusterMemPtr += CLUSTERDISTANCE / 4;
     }
 
-    if (ret == NUMCLUSTERS) {
+    if ((ret & ((1 << NUMCLUSTERS)-1)) == NUMCLUSTERS) {
         return 0;
     }