fs.py revision 3444:6abefa632e10
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 42# Get paths we might need. It's expected this file is in m5/configs/example. 43config_path = os.path.dirname(os.path.abspath(__file__)) 44config_root = os.path.dirname(config_path) 45 46parser = optparse.OptionParser() 47 48# Benchmark options 49parser.add_option("--dual", action="store_true", 50 help="Simulate two systems attached with an ethernet link") 51parser.add_option("-b", "--benchmark", action="store", type="string", 52 dest="benchmark", 53 help="Specify the benchmark to run. Available benchmarks: %s"\ 54 % DefinedBenchmarks) 55 56# Metafile options 57parser.add_option("--etherdump", action="store", type="string", dest="etherdump", 58 help="Specify the filename to dump a pcap capture of the" \ 59 "ethernet traffic") 60 61execfile(os.path.join(config_root, "common", "Options.py")) 62 63(options, args) = parser.parse_args() 64 65if args: 66 print "Error: script doesn't take any positional arguments" 67 sys.exit(1) 68 69# driver system CPU is always simple... note this is an assignment of 70# a class, not an instance. 71DriveCPUClass = AtomicSimpleCPU 72drive_mem_mode = 'atomic' 73 74# system under test can be any of these CPUs 75if options.detailed: 76 TestCPUClass = DerivO3CPU 77 test_mem_mode = 'timing' 78elif options.timing: 79 TestCPUClass = TimingSimpleCPU 80 test_mem_mode = 'timing' 81else: 82 TestCPUClass = AtomicSimpleCPU 83 test_mem_mode = 'atomic' 84 85TestCPUClass.clock = '2GHz' 86DriveCPUClass.clock = '2GHz' 87 88if options.benchmark: 89 try: 90 bm = Benchmarks[options.benchmark] 91 except KeyError: 92 print "Error benchmark %s has not been defined." % options.benchmark 93 print "Valid benchmarks are: %s" % DefinedBenchmarks 94 sys.exit(1) 95else: 96 if options.dual: 97 bm = [SysConfig(), SysConfig()] 98 else: 99 bm = [SysConfig()] 100 101test_sys = makeLinuxAlphaSystem(test_mem_mode, bm[0]) 102np = options.num_cpus 103test_sys.cpu = [TestCPUClass(cpu_id=i) for i in xrange(np)] 104for i in xrange(np): 105 if options.caches and not options.standard_switch: 106 test_sys.cpu[i].addPrivateSplitL1Caches(L1Cache(size = '32kB'), 107 L2Cache(size = '64kB')) 108 test_sys.cpu[i].connectMemPorts(test_sys.membus) 109 test_sys.cpu[i].mem = test_sys.physmem 110 111if len(bm) == 2: 112 drive_sys = makeLinuxAlphaSystem(drive_mem_mode, bm[1]) 113 drive_sys.cpu = DriveCPUClass(cpu_id=0) 114 drive_sys.cpu.connectMemPorts(drive_sys.membus) 115 drive_sys.cpu.mem = drive_sys.physmem 116 root = makeDualRoot(test_sys, drive_sys, options.etherdump) 117elif len(bm) == 1: 118 root = Root(clock = '1THz', system = test_sys) 119else: 120 print "Error I don't know how to create more than 2 systems." 121 sys.exit(1) 122 123Simulation.run(options, root, test_sys) 124