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# 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
# 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: Steve Reinhardt
import os
import sys
import re
import string
from os.path import join as joinpath
import m5
# 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, 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.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 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)
# build configuration
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'
execfile(joinpath(tests_root, 'configs', test_filename + '.py'))
# set default maxtick... script can override
# -1 means run forever
maxtick = m5.MaxTick
# tweak configuration for specific test
sys.path.append(joinpath(tests_root, category, mode, name))
execfile(joinpath(tests_root, category, mode, name, 'test.py'))
# 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.
if isinstance(cpu, BaseCPU):
cpu.createThreads()
# The CPU attribute doesn't exist in some cases, e.g. the Ruby
# testers.
if not hasattr(sys, "cpu"):
return
# 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)
# 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))
# instantiate configuration
m5.instantiate()
# simulate until program terminates
exit_event = m5.simulate(maxtick)
print 'Exiting @ tick', m5.curTick(), 'because', exit_event.getCause()
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