From 7e482679d256ffafe6f105c44d07cc2b84f23358 Mon Sep 17 00:00:00 2001
From: Asherah Connor <ashe@kivikakk.ee>
Date: Thu, 16 May 2024 19:05:48 +0300
Subject: [PATCH] CxxsimTask: throw on non-zero rc.

---
 src/main/scala/ee/hrzn/chryse/tasks/CxxsimTask.scala | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/main/scala/ee/hrzn/chryse/tasks/CxxsimTask.scala b/src/main/scala/ee/hrzn/chryse/tasks/CxxsimTask.scala
index 8db3e9a..3b5c56b 100644
--- a/src/main/scala/ee/hrzn/chryse/tasks/CxxsimTask.scala
+++ b/src/main/scala/ee/hrzn/chryse/tasks/CxxsimTask.scala
@@ -3,6 +3,7 @@ package ee.hrzn.chryse.tasks
 import chisel3._
 import circt.stage.ChiselStage
 import ee.hrzn.chryse.ChryseAppConfig
+import ee.hrzn.chryse.ChryseAppStepFailureException
 import ee.hrzn.chryse.HasIO
 import ee.hrzn.chryse.platform.Platform
 import ee.hrzn.chryse.platform.cxxrtl.BlackBoxGenerator
@@ -146,6 +147,9 @@ object CxxsimTask extends BaseTask {
     val rc = binCmd.!
 
     println(s"$name exited with return code $rc")
+    if (rc != 0) {
+      throw new ChryseAppStepFailureException("rc non-zero")
+    }
   }
 
   private def filesInDirWithExt(dir: String, ext: String): Iterator[String] =