simple-timing-ruby.py revision 8801:1a84c6a81299
1# Copyright (c) 2006-2007 The Regents of The University of Michigan 2# All rights reserved. 3# 4# Redistribution and use in source and binary forms, with or without 5# modification, are permitted provided that the following conditions are 6# met: redistributions of source code must retain the above copyright 7# notice, this list of conditions and the following disclaimer; 8# redistributions in binary form must reproduce the above copyright 9# notice, this list of conditions and the following disclaimer in the 10# documentation and/or other materials provided with the distribution; 11# neither the name of the copyright holders nor the names of its 12# contributors may be used to endorse or promote products derived from 13# this software without specific prior written permission. 14# 15# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 16# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 17# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 18# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 19# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 20# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 21# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 25# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26# 27# Authors: Steve Reinhardt 28 29import m5 30from m5.objects import * 31from m5.defines import buildEnv 32from m5.util import addToPath 33import os, optparse, sys 34 35if buildEnv['FULL_SYSTEM']: 36 panic("This script requires system-emulation mode (*_SE).") 37 38# Get paths we might need 39config_path = os.path.dirname(os.path.abspath(__file__)) 40config_root = os.path.dirname(config_path) 41m5_root = os.path.dirname(config_root) 42addToPath(config_root+'/configs/common') 43addToPath(config_root+'/configs/ruby') 44 45import Ruby 46 47parser = optparse.OptionParser() 48 49# 50# Add the ruby specific and protocol specific options 51# 52Ruby.define_options(parser) 53 54execfile(os.path.join(config_root, "configs/common", "Options.py")) 55 56(options, args) = parser.parse_args() 57 58# 59# Set the default cache size and associativity to be very small to encourage 60# races between requests and writebacks. 61# 62options.l1d_size="256B" 63options.l1i_size="256B" 64options.l2_size="512B" 65options.l3_size="1kB" 66options.l1d_assoc=2 67options.l1i_assoc=2 68options.l2_assoc=2 69options.l3_assoc=2 70 71# this is a uniprocessor only test 72options.num_cpus = 1 73 74cpu = TimingSimpleCPU(cpu_id=0) 75system = System(cpu = cpu, physmem = PhysicalMemory()) 76 77Ruby.create_system(options, system) 78 79assert(len(system.ruby._cpu_ruby_ports) == 1) 80 81# 82# Tie the cpu cache ports to the ruby cpu ports and 83# physmem, respectively 84# 85cpu.connectAllPorts(system.ruby._cpu_ruby_ports[0]) 86 87# Connect the system port for loading of binaries etc 88system.system_port = system.ruby._sys_port_proxy.port 89 90# ----------------------- 91# run simulation 92# ----------------------- 93 94root = Root(full_system = False, system = system) 95root.system.mem_mode = 'timing' 96 97# Not much point in this being higher than the L1 latency 98m5.ticks.setGlobalFrequency('1ns') 99