configs/example/fs.py

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