memtest-ruby.py revision 8322:19949c6de823
112855Sgabeblack@google.com# Copyright (c) 2006-2007 The Regents of The University of Michigan 212855Sgabeblack@google.com# Copyright (c) 2010 Advanced Micro Devices, Inc. 312855Sgabeblack@google.com# All rights reserved. 412855Sgabeblack@google.com# 512855Sgabeblack@google.com# Redistribution and use in source and binary forms, with or without 612855Sgabeblack@google.com# modification, are permitted provided that the following conditions are 712855Sgabeblack@google.com# met: redistributions of source code must retain the above copyright 812855Sgabeblack@google.com# notice, this list of conditions and the following disclaimer; 912855Sgabeblack@google.com# redistributions in binary form must reproduce the above copyright 1012855Sgabeblack@google.com# notice, this list of conditions and the following disclaimer in the 1112855Sgabeblack@google.com# documentation and/or other materials provided with the distribution; 1212855Sgabeblack@google.com# neither the name of the copyright holders nor the names of its 1312855Sgabeblack@google.com# contributors may be used to endorse or promote products derived from 1412855Sgabeblack@google.com# this software without specific prior written permission. 1512855Sgabeblack@google.com# 1612855Sgabeblack@google.com# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 1712855Sgabeblack@google.com# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 1812855Sgabeblack@google.com# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 1912855Sgabeblack@google.com# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 2012855Sgabeblack@google.com# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 2112855Sgabeblack@google.com# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 2212855Sgabeblack@google.com# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 2312855Sgabeblack@google.com# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 2412855Sgabeblack@google.com# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 2512855Sgabeblack@google.com# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 2612855Sgabeblack@google.com# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 2712855Sgabeblack@google.com# 2812855Sgabeblack@google.com# Authors: Ron Dreslinski 2912855Sgabeblack@google.com 3012855Sgabeblack@google.comimport m5 3112855Sgabeblack@google.comfrom m5.objects import * 3212855Sgabeblack@google.comfrom m5.defines import buildEnv 3312855Sgabeblack@google.comfrom m5.util import addToPath 3412855Sgabeblack@google.comimport os, optparse, sys 3512855Sgabeblack@google.com 3612855Sgabeblack@google.comif buildEnv['FULL_SYSTEM']: 3712855Sgabeblack@google.com panic("This script requires system-emulation mode (*_SE).") 3812855Sgabeblack@google.com 3912855Sgabeblack@google.com# Get paths we might need 4012855Sgabeblack@google.comconfig_path = os.path.dirname(os.path.abspath(__file__)) 4112855Sgabeblack@google.comconfig_root = os.path.dirname(config_path) 4212855Sgabeblack@google.comm5_root = os.path.dirname(config_root) 4312855Sgabeblack@google.comaddToPath(config_root+'/configs/common') 4412855Sgabeblack@google.comaddToPath(config_root+'/configs/ruby') 4512855Sgabeblack@google.com 4612855Sgabeblack@google.comimport Ruby 4712855Sgabeblack@google.com 4812855Sgabeblack@google.comparser = optparse.OptionParser() 4912855Sgabeblack@google.com 5012855Sgabeblack@google.com# 5112855Sgabeblack@google.com# Add the ruby specific and protocol specific options 5212855Sgabeblack@google.com# 5312855Sgabeblack@google.comRuby.define_options(parser) 54 55execfile(os.path.join(config_root, "configs/common", "Options.py")) 56 57(options, args) = parser.parse_args() 58 59# 60# Set the default cache size and associativity to be very small to encourage 61# races between requests and writebacks. 62# 63options.l1d_size="256B" 64options.l1i_size="256B" 65options.l2_size="512B" 66options.l3_size="1kB" 67options.l1d_assoc=2 68options.l1i_assoc=2 69options.l2_assoc=2 70options.l3_assoc=2 71 72#MAX CORES IS 8 with the fals sharing method 73nb_cores = 8 74 75# ruby does not support atomic, functional, or uncacheable accesses 76cpus = [ MemTest(atomic=False, percent_functional=0, \ 77 percent_uncacheable=0) \ 78 for i in xrange(nb_cores) ] 79 80# overwrite options.num_cpus with the nb_cores value 81options.num_cpus = nb_cores 82 83# system simulated 84system = System(cpu = cpus, 85 funcmem = PhysicalMemory(), 86 physmem = PhysicalMemory()) 87 88system.ruby = Ruby.create_system(options, system) 89 90assert(len(cpus) == len(system.ruby._cpu_ruby_ports)) 91 92for (i, ruby_port) in enumerate(system.ruby._cpu_ruby_ports): 93 # 94 # Tie the cpu test and functional ports to the ruby cpu ports and 95 # physmem, respectively 96 # 97 cpus[i].test = ruby_port.port 98 cpus[i].functional = system.funcmem.port 99 100 # 101 # Since the memtester is incredibly bursty, increase the deadlock 102 # threshold to 1 million cycles 103 # 104 ruby_port.deadlock_threshold = 1000000 105 106# ----------------------- 107# run simulation 108# ----------------------- 109 110root = Root(system = system) 111root.system.mem_mode = 'timing' 112 113# Not much point in this being higher than the L1 latency 114m5.ticks.setGlobalFrequency('1ns') 115