From: Richard Xia <rxia@sifive.com>
Date: Tue, 23 May 2017 20:38:08 +0000 (-0700)
Subject: Fail if simulator exits early.
X-Git-Url: https://git.libre-soc.org/?p=riscv-tests.git;a=commitdiff_plain;h=3cd7f374258f7c4ddaa4e0d835a149f185308d28

Fail if simulator exits early.
---

diff --git a/debug/testlib.py b/debug/testlib.py
index b5bd992..3d08e9b 100644
--- a/debug/testlib.py
+++ b/debug/testlib.py
@@ -132,6 +132,12 @@ class VcsSim(object):
                 stdout=logfile, stderr=logfile)
         done = False
         while not done:
+            # Fail if VCS exits early
+            exit_code = self.process.poll()
+            if exit_code is not None:
+                raise RuntimeError('VCS simulator exited early with status %d'
+                                   % exit_code)
+
             line = listenfile.readline()
             if not line:
                 time.sleep(1)