ruby_direct_test.py revision 7525
1# Copyright (c) 2006-2007 The Regents of The University of Michigan 2# Copyright (c) 2009 Advanced Micro Devices, Inc. 3# All rights reserved. 4# 5# Redistribution and use in source and binary forms, with or without 6# modification, are permitted provided that the following conditions are 7# met: redistributions of source code must retain the above copyright 8# notice, this list of conditions and the following disclaimer; 9# redistributions in binary form must reproduce the above copyright 10# notice, this list of conditions and the following disclaimer in the 11# documentation and/or other materials provided with the distribution; 12# neither the name of the copyright holders nor the names of its 13# contributors may be used to endorse or promote products derived from 14# this software without specific prior written permission. 15# 16# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 17# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 18# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 19# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 20# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 21# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 22# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27# 28# Authors: Ron Dreslinski 29# Brad Beckmann 30 31import m5 32from m5.objects import * 33from m5.defines import buildEnv 34from m5.util import addToPath 35import os, optparse, sys 36addToPath('../common') 37addToPath('../ruby') 38 39import Ruby 40 41if buildEnv['FULL_SYSTEM']: 42 panic("This script requires system-emulation mode (*_SE).") 43 44# Get paths we might need. It's expected this file is in m5/configs/example. 45config_path = os.path.dirname(os.path.abspath(__file__)) 46config_root = os.path.dirname(config_path) 47m5_root = os.path.dirname(config_root) 48 49parser = optparse.OptionParser() 50 51parser.add_option("-l", "--checks", metavar="N", default=100, 52 help="Stop after N checks (loads)") 53parser.add_option("-f", "--wakeup_freq", metavar="N", default=10, 54 help="Wakeup every N cycles") 55 56# 57# Set the default cache size and associativity to be very small to encourage 58# races between requests and writebacks. 59# 60parser.add_option("--l1d_size", type="string", default="256B") 61parser.add_option("--l1i_size", type="string", default="256B") 62parser.add_option("--l2_size", type="string", default="512B") 63parser.add_option("--l1d_assoc", type="int", default=2) 64parser.add_option("--l1i_assoc", type="int", default=2) 65parser.add_option("--l2_assoc", type="int", default=2) 66 67execfile(os.path.join(config_root, "common", "Options.py")) 68 69(options, args) = parser.parse_args() 70 71if args: 72 print "Error: script doesn't take any positional arguments" 73 sys.exit(1) 74 75# 76# Create the ruby random tester 77# 78tester = RubyTester(checks_to_complete = options.checks, 79 wakeup_frequency = options.wakeup_freq) 80 81# 82# Create the M5 system. Note that the PhysicalMemory Object isn't 83# actually used by the rubytester, but is included to support the 84# M5 memory size == Ruby memory size checks 85# 86system = System(physmem = PhysicalMemory()) 87 88system.ruby = Ruby.create_system(options, system.physmem) 89 90assert(options.num_cpus == len(system.ruby.cpu_ruby_ports)) 91 92# 93# The tester is most effective when randomization is turned on and 94# artifical delay is randomly inserted on messages 95# 96system.ruby.randomization = True 97 98for ruby_port in system.ruby.cpu_ruby_ports: 99 # 100 # Tie the ruby tester ports to the ruby cpu ports 101 # 102 tester.cpuPort = ruby_port.port 103 104 # 105 # Tell each sequencer this is the ruby tester so that it 106 # copies the subblock back to the checker 107 # 108 ruby_port.using_ruby_tester = True 109 110# ----------------------- 111# run simulation 112# ----------------------- 113 114root = Root( system = system ) 115root.system.mem_mode = 'timing' 116 117# Not much point in this being higher than the L1 latency 118m5.ticks.setGlobalFrequency('1ns') 119 120# instantiate configuration 121m5.instantiate() 122 123# simulate until program terminates 124exit_event = m5.simulate(options.maxtick) 125 126print 'Exiting @ tick', m5.curTick(), 'because', exit_event.getCause() 127