-# Copyright (c) 2006 The Regents of The University of Michigan
+# Copyright (c) 2012 ARM Limited
+# All rights reserved
+#
+# The license below extends only to copyright in the software and shall
+# not be construed as granting a license to any other intellectual
+# property including but not limited to intellectual property relating
+# to a hardware implementation of the functionality of the software
+# licensed hereunder. You may use the software subject to the license
+# terms below provided that you ensure that this notice is replicated
+# unmodified and in its entirety in all distributions of the software,
+# modified or unmodified, in source code or in binary form.
+#
+# Copyright (c) 2006-2007 The Regents of The University of Michigan
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# 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: Steve Reinhardt
-import os, sys
+import os
+import sys
+import re
+import string
+
+from os.path import join as joinpath
+import os.path
+import os
+
+import m5
+
+def skip_test(reason=""):
+ """Signal that a test should be skipped and optionally print why.
+
+ Keyword arguments:
+ reason -- Reason why the test failed. Output is omitted if empty.
+ """
+
+ if reason:
+ print("Skipping test: %s" % reason)
+ sys.exit(2)
+
+def has_sim_object(name):
+ """Test if a SimObject exists in the simulator.
+
+ Arguments:
+ name -- Name of SimObject (string)
+
+ Returns: True if the object exists, False otherwise.
+ """
+
+ try:
+ cls = getattr(m5.objects, name)
+ return issubclass(cls, m5.objects.SimObject)
+ except AttributeError:
+ return False
+
+def require_sim_object(name, fatal=False):
+ """Test if a SimObject exists and abort/skip test if not.
+
+ Arguments:
+ name -- Name of SimObject (string)
+
+ Keyword arguments:
+ fatal -- Set to True to indicate that the test should fail
+ instead of being skipped.
+ """
+
+ if has_sim_object(name):
+ return
+ else:
+ msg = "Test requires the '%s' SimObject." % name
+ if fatal:
+ m5.fatal(msg)
+ else:
+ skip_test(msg)
+
+
+def require_file(path, fatal=False, mode=os.F_OK):
+ """Test if a file exists and abort/skip test if not.
+
+ Arguments:
+ path -- File to test for.
+
+ Keyword arguments:
+ fatal -- Set to True to indicate that the test should fail
+ instead of being skipped.
+ modes -- Mode to test for, default to existence. See the
+ Python documentation for os.access().
+ """
+
+ if os.access(path, mode):
+ return
+ else:
+ msg = "Test requires '%s'" % path
+ if not os.path.exists(path):
+ msg += " which does not exist."
+ else:
+ msg += " which has incorrect permissions."
+
+ if fatal:
+ m5.fatal(msg)
+ else:
+ skip_test(msg)
+
+def require_kvm(kvm_dev="/dev/kvm", fatal=False):
+ """Test if KVM is available.
+
+ Keyword arguments:
+ kvm_dev -- Device to test (normally /dev/kvm)
+ fatal -- Set to True to indicate that the test should fail
+ instead of being skipped.
+ """
+
+ require_sim_object("BaseKvmCPU", fatal=fatal)
+ require_file(kvm_dev, fatal=fatal, mode=os.R_OK | os.W_OK)
+
+def run_test(root):
+ """Default run_test implementations. Scripts can override it."""
+
+ # instantiate configuration
+ m5.instantiate()
+
+ # simulate until program terminates
+ exit_event = m5.simulate(maxtick)
+ print('Exiting @ tick', m5.curTick(), 'because', exit_event.getCause())
+
+# Since we're in batch mode, dont allow tcp socket connections
+m5.disableAllListeners()
# single "path" arg encodes everything we need to know about test
-(category, name, isa, opsys, config) = sys.argv[1].split('/')
+(category, mode, name, isa, opsys, config) = sys.argv[1].split('/')[-6:]
# find path to directory containing this file
tests_root = os.path.dirname(__file__)
-test_progs = os.path.join(tests_root, 'test-progs')
+test_progs = os.environ.get('M5_TEST_PROGS', '/dist/m5/regression/test-progs')
+if not os.path.isdir(test_progs):
+ test_progs = joinpath(tests_root, 'test-progs')
# generate path to binary file
def binpath(app, file=None):
# executable has same name as app unless specified otherwise
if not file:
file = app
- return os.path.join(test_progs, app, 'bin', isa, opsys, file)
+ return joinpath(test_progs, app, 'bin', isa, opsys, file)
+
+# generate path to input file
+def inputpath(app, file=None):
+ # input file has same name as app unless specified otherwise
+ if not file:
+ file = app
+ return joinpath(test_progs, app, 'input', file)
+
+def srcpath(path):
+ """Path to file in gem5's source tree"""
+ return joinpath(os.path.dirname(__file__), "..", path)
+
+def run_config(config, argv=None):
+ """Execute a configuration script that is external to the test system"""
+
+ src_root = os.path.abspath(os.path.join(os.path.dirname(__file__), "../"))
+ abs_path = joinpath(src_root, config)
+
+ code = compile(open(abs_path, 'r').read(), abs_path, 'exec')
+ scope = {
+ '__file__' : config,
+ '__name__' : '__m5_main__',
+ }
+
+ # Set the working directory in case we are executing from
+ # outside gem5's source tree
+ os.chdir(src_root)
+
+ # gem5 normally adds the script's directory to the path to make
+ # script-relative imports work.
+ sys.path = [ os.path.dirname(abs_path), ] + sys.path
+
+ if argv is None:
+ sys.argv = [ config, ]
+ else:
+ sys.argv = argv
+ exec(code, scope)
# build configuration
-execfile(os.path.join(tests_root, 'configs', config + '.py'))
+sys.path.append(joinpath(tests_root, 'configs'))
+test_filename = config
+# for ruby configurations, remove the protocol name from the test filename
+if re.search('-ruby', test_filename):
+ test_filename = test_filename.split('-ruby')[0]+'-ruby'
+exec(compile( \
+ open(joinpath(tests_root, 'configs', test_filename + '.py')).read(), \
+ joinpath(tests_root, 'configs', test_filename + '.py'), 'exec'))
# set default maxtick... script can override
# -1 means run forever
-maxtick = -1
+maxtick = m5.MaxTick
# tweak configuration for specific test
+sys.path.append(joinpath(tests_root, category, mode, name))
+exec(compile( \
+ open(joinpath(tests_root, category, mode, name, 'test.py')).read(), \
+ joinpath(tests_root, category, mode, name, 'test.py'), 'exec'))
+
+# Initialize all CPUs in a system
+def initCPUs(sys):
+ def initCPU(cpu):
+ # We might actually have a MemTest object or something similar
+ # here that just pretends to be a CPU.
+ try:
+ cpu.createThreads()
+ except:
+ pass
-execfile(os.path.join(tests_root, category, name, 'test.py'))
+ # The CPU attribute doesn't exist in some cases, e.g. the Ruby
+ # testers.
+ if not hasattr(sys, "cpu"):
+ return
-# instantiate configuration
-m5.instantiate(root)
+ # The CPU can either be a list of CPUs or a single object.
+ if isinstance(sys.cpu, list):
+ [ initCPU(cpu) for cpu in sys.cpu ]
+ else:
+ initCPU(sys.cpu)
-# simulate until program terminates
-exit_event = m5.simulate(maxtick)
+# We might be creating a single system or a dual system. Try
+# initializing the CPUs in all known system attributes.
+for sysattr in [ "system", "testsys", "drivesys" ]:
+ if hasattr(root, sysattr):
+ initCPUs(getattr(root, sysattr))
-print 'Exiting @ tick', m5.curTick(), 'because', exit_event.getCause()
+run_test(root)
projects / gem5.git / blobdiff