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: Ron Dreslinski 28 29import m5 30from m5.objects import *
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31from m5.defines import buildEnv 32from m5.util import addToPath 33import os, optparse, sys |
34
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35if buildEnv['FULL_SYSTEM']: 36 panic("This script requires system-emulation mode (*_SE).") |
37
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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# Set the default cache size and associativity to be very small to encourage 51# races between requests and writebacks. 52# 53parser.add_option("--l1d_size", type="string", default="256B") 54parser.add_option("--l1i_size", type="string", default="256B") 55parser.add_option("--l2_size", type="string", default="512B") 56parser.add_option("--l1d_assoc", type="int", default=2) 57parser.add_option("--l1i_assoc", type="int", default=2) 58parser.add_option("--l2_assoc", type="int", default=2) 59 60execfile(os.path.join(config_root, "configs/common", "Options.py")) 61 62(options, args) = parser.parse_args() 63 |
64#MAX CORES IS 8 with the fals sharing method 65nb_cores = 8 66cpus = [ MemTest() for i in xrange(nb_cores) ] 67
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37import ruby_config
38ruby_memory = ruby_config.generate("TwoLevel_SplitL1UnifiedL2.rb", nb_cores)
39
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68# overwrite options.num_cpus with the nb_cores value 69options.num_cpus = nb_cores 70 |
71# system simulated
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41system = System(cpu = cpus, funcmem = PhysicalMemory(),
42 physmem = ruby_memory,
43 membus = Bus(clock="500GHz", width=16))
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72system = System(cpu = cpus, 73 funcmem = PhysicalMemory(), 74 physmem = PhysicalMemory()) |
75
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45for cpu in cpus:
46 cpu.test = system.membus.port
47 cpu.functional = system.funcmem.port
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76system.ruby = Ruby.create_system(options, system.physmem) |
77
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49system.physmem.port = system.membus.port
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78assert(len(cpus) == len(system.ruby.cpu_ruby_ports)) |
79
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80for (i, ruby_port) in enumerate(system.ruby.cpu_ruby_ports): 81 # 82 # Tie the cpu test and functional ports to the ruby cpu ports and 83 # physmem, respectively 84 # 85 cpus[i].test = ruby_port.port 86 cpus[i].functional = system.funcmem.port 87 |
88# ----------------------- 89# run simulation 90# ----------------------- 91 92root = Root(system = system) 93root.system.mem_mode = 'timing'
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