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Diffstat (limited to 'configs')
| -rw-r--r-- | configs/example/rubytest.py | 126 |
1 files changed, 126 insertions, 0 deletions
diff --git a/configs/example/rubytest.py b/configs/example/rubytest.py new file mode 100644 index 000000000..13b862756 --- /dev/null +++ b/configs/example/rubytest.py @@ -0,0 +1,126 @@ +# Copyright (c) 2006-2007 The Regents of The University of Michigan +# Copyright (c) 2009 Advanced Micro Devices, Inc. +# 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: Ron Dreslinski +# Brad Beckmann + +import m5 +from m5.objects import * +from m5.defines import buildEnv +from m5.util import addToPath +import os, optparse, sys +addToPath('../common') +addToPath('../ruby') + +import Ruby + +if buildEnv['FULL_SYSTEM']: + panic("This script requires system-emulation mode (*_SE).") + +# Get paths we might need. It's expected this file is in m5/configs/example. +config_path = os.path.dirname(os.path.abspath(__file__)) +config_root = os.path.dirname(config_path) +m5_root = os.path.dirname(config_root) + +parser = optparse.OptionParser() + +parser.add_option("-l", "--checks", metavar="N", default=100, + help="Stop after N checks (loads)") +parser.add_option("-f", "--wakeup_freq", metavar="N", default=10, + help="Wakeup every N cycles") + +# +# Set the default cache size and associativity to be very small to encourage +# races between requests and writebacks. +# +parser.add_option("--l1d_size", type="string", default="256B") +parser.add_option("--l1i_size", type="string", default="256B") +parser.add_option("--l2_size", type="string", default="512B") +parser.add_option("--l1d_assoc", type="int", default=2) +parser.add_option("--l1i_assoc", type="int", default=2) +parser.add_option("--l2_assoc", type="int", default=2) + +execfile(os.path.join(config_root, "common", "Options.py")) + +(options, args) = parser.parse_args() + +if args: + print "Error: script doesn't take any positional arguments" + sys.exit(1) + +# +# Create the ruby random tester +# +tester = RubyTester(checks_to_complete = options.checks, + wakeup_frequency = options.wakeup_freq) + +# +# Create the M5 system. Note that the PhysicalMemory Object isn't +# actually used by the rubytester, but is included to support the +# M5 memory size == Ruby memory size checks +# +system = System(physmem = PhysicalMemory()) + +system.ruby = Ruby.create_system(options, system.physmem) + +assert(options.num_cpus == len(system.ruby.cpu_ruby_ports)) + +# +# The tester is most effective when randomization is turned on and +# artifical delay is randomly inserted on messages +# +system.ruby.randomization = True + +for ruby_port in system.ruby.cpu_ruby_ports: + # + # Tie the ruby tester ports to the ruby cpu ports + # + tester.cpuPort = ruby_port.port + + # + # Tell each sequencer this is the ruby tester so that it + # copies the subblock back to the checker + # + ruby_port.using_ruby_tester = True + +# ----------------------- +# run simulation +# ----------------------- + +root = Root( system = system ) +root.system.mem_mode = 'timing' + +# Not much point in this being higher than the L1 latency +m5.ticks.setGlobalFrequency('1ns') + +# instantiate configuration +m5.instantiate(root) + +# simulate until program terminates +exit_event = m5.simulate(options.maxtick) + +print 'Exiting @ tick', m5.curTick(), 'because', exit_event.getCause() |