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authorBrad Beckmann <Brad.Beckmann@amd.com>2010-01-29 20:29:23 -0800
committerBrad Beckmann <Brad.Beckmann@amd.com>2010-01-29 20:29:23 -0800
commit45230a4f6b82af61c05fcf93b6e1a9319fcb0a2e (patch)
treebe5514d8ae75df903599758fa2fa86834e9142b1 /configs
parent4eb3bfc31b66a6835a398ba2f0a11ea9b78d525d (diff)
downloadgem5-45230a4f6b82af61c05fcf93b6e1a9319fcb0a2e.tar.xz
ruby: added the GEMS ruby tester
Diffstat (limited to 'configs')
-rw-r--r--configs/example/rubytest.py126
1 files changed, 126 insertions, 0 deletions
diff --git a/configs/example/rubytest.py b/configs/example/rubytest.py
new file mode 100644
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+++ b/configs/example/rubytest.py
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+# 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()