fs.py revision 3395
1# Copyright (c) 2006 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: Ali Saidi 28 29import optparse, os, sys 30 31import m5 32from m5.objects import * 33m5.AddToPath('../common') 34from FSConfig import * 35from SysPaths import * 36from Benchmarks import * 37import Simulation 38 39if not m5.build_env['FULL_SYSTEM']: 40 m5.panic("This script requires full-system mode (ALPHA_FS).") 41 42parser = optparse.OptionParser() 43 44# Benchmark options 45parser.add_option("--dual", action="store_true", 46 help="Simulate two systems attached with an ethernet link") 47parser.add_option("-b", "--benchmark", action="store", type="string", 48 dest="benchmark", 49 help="Specify the benchmark to run. Available benchmarks: %s"\ 50 % DefinedBenchmarks) 51 52# Metafile options 53parser.add_option("--etherdump", action="store", type="string", dest="etherdump", 54 help="Specify the filename to dump a pcap capture of the" \ 55 "ethernet traffic") 56 57 58execfile("Options.py") 59 60(options, args) = parser.parse_args() 61 62if args: 63 print "Error: script doesn't take any positional arguments" 64 sys.exit(1) 65 66# driver system CPU is always simple... note this is an assignment of 67# a class, not an instance. 68DriveCPUClass = AtomicSimpleCPU 69drive_mem_mode = 'atomic' 70 71# system under test can be any of these CPUs 72if options.detailed: 73 TestCPUClass = DerivO3CPU 74 test_mem_mode = 'timing' 75elif options.timing: 76 TestCPUClass = TimingSimpleCPU 77 test_mem_mode = 'timing' 78else: 79 TestCPUClass = AtomicSimpleCPU 80 test_mem_mode = 'atomic' 81 82TestCPUClass.clock = '2GHz' 83DriveCPUClass.clock = '2GHz' 84 85if options.benchmark: 86 try: 87 bm = Benchmarks[options.benchmark] 88 except KeyError: 89 print "Error benchmark %s has not been defined." % options.benchmark 90 print "Valid benchmarks are: %s" % DefinedBenchmarks 91 sys.exit(1) 92else: 93 if options.dual: 94 bm = [SysConfig(), SysConfig()] 95 else: 96 bm = [SysConfig()] 97 98test_sys = makeLinuxAlphaSystem(test_mem_mode, bm[0]) 99np = options.num_cpus 100test_sys.cpu = [TestCPUClass(cpu_id=i) for i in xrange(np)] 101for i in xrange(np): 102 if options.caches and not options.standard_switch: 103 test_sys.cpu[i].addPrivateSplitL1Caches(L1Cache(size = '32kB'), 104 L2Cache(size = '64kB')) 105 test_sys.cpu[i].connectMemPorts(test_sys.membus) 106 test_sys.cpu[i].mem = test_sys.physmem 107 108if len(bm) == 2: 109 drive_sys = makeLinuxAlphaSystem(drive_mem_mode, bm[1]) 110 drive_sys.cpu = DriveCPUClass(cpu_id=0) 111 drive_sys.cpu.connectMemPorts(drive_sys.membus) 112 drive_sys.cpu.mem = drive_sys.physmem 113 root = makeDualRoot(test_sys, drive_sys, options.etherdump) 114elif len(bm) == 1: 115 root = Root(clock = '1THz', system = test_sys) 116else: 117 print "Error I don't know how to create more than 2 systems." 118 sys.exit(1) 119 120Simulation.run(options, root, test_sys) 121