tests: Add a simple example test

Change-Id: I0753db61d6344b9ed95c0d90a1ab097de7e2af12
Signed-off-by: Sean Wilson <spwilson2@wisc.edu>
Reviewed-on: https://gem5-review.googlesource.com/4422
Maintainer: Jason Lowe-Power <jason@lowepower.com>
Reviewed-by: Anthony Gutierrez <anthony.gutierrez@amd.com>

tests/gem5/hello_se/ref/simout

@@ -0,0 +1,7 @@
+gem5 Simulator System.  http://gem5.org
+gem5 is copyrighted software; use the --copyright option for details.
+
+
+Global frequency set at 1000000000000 ticks per second
+**** REAL SIMULATION ****
+Hello world!

tests/gem5/hello_se/test_hello_se.py

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+# Copyright (c) 2017 Mark D. Hill and David A. Wood
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met: redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer;
+# redistributions in binary form must reproduce the above copyright
+# notice, this list of conditions and the following disclaimer in the
+# documentation and/or other materials provided with the distribution;
+# neither the name of the copyright holders nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+#
+# Authors: Sean Wilson
+
+'''
+Test file for the util m5 exit assembly instruction.
+'''
+from testlib import *
+
+test_progs = {
+    'x86': ('hello64-static', 'hello64-dynamic', 'hello32-static'),
+    'arm': ('hello64-static', 'hello32-static'),
+}
+
+for isa in test_progs:
+    for binary in test_progs[isa]:
+        import os
+        path = os.path.join('hello', 'bin', isa, 'linux')
+        hello_program = DownloadedProgram(path, binary)
+
+        ref_path = joinpath(getcwd(), 'ref')
+
+        verifiers = (
+                verifier.MatchStdoutNoPerf(joinpath(ref_path, 'simout')),
+        )
+
+        gem5_verify_config(
+                name='test'+binary,
+                fixtures=(hello_program,),
+                verifiers=verifiers,
+                config=joinpath(config.base_dir, 'configs', 'example','se.py'),
+                config_args=['--cmd', hello_program.path],
+                valid_isas=(isa.upper(),),
+        )