configs/example/ruby_direct_test.py

   1 # Copyright (c) 2006-2007 The Regents of The University of Michigan
   2 # Copyright (c) 2009 Advanced Micro Devices, Inc.
   3 # All rights reserved.
   4 #
   5 # Redistribution and use in source and binary forms, with or without
   6 # modification, are permitted provided that the following conditions are
   7 # met: redistributions of source code must retain the above copyright
   8 # notice, this list of conditions and the following disclaimer;
   9 # redistributions in binary form must reproduce the above copyright
  10 # notice, this list of conditions and the following disclaimer in the
  11 # documentation and/or other materials provided with the distribution;
  12 # neither the name of the copyright holders nor the names of its
  13 # contributors may be used to endorse or promote products derived from
  14 # this software without specific prior written permission.
  15 #
  16 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  17 # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  18 # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  19 # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  20 # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  21 # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  22 # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  23 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  24 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  25 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  26 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  27 #
  28 # Authors: Ron Dreslinski
  29 #          Brad Beckmann
  30
  31 import m5
  32 from m5.objects import *
  33 from m5.defines import buildEnv
  34 from m5.util import addToPath
  35 import os, optparse, sys
  36 addToPath('../common')
  37 addToPath('../ruby')
  38
  39 import Ruby
  40
  41 # Get paths we might need.  It's expected this file is in m5/configs/example.
  42 config_path = os.path.dirname(os.path.abspath(__file__))
  43 config_root = os.path.dirname(config_path)
  44 m5_root = os.path.dirname(config_root)
  45
  46 parser = optparse.OptionParser()
  47
  48 parser.add_option("-l", "--requests", metavar="N", default=100,
  49                   help="Stop after N requests")
  50 parser.add_option("-f", "--wakeup_freq", metavar="N", default=10,
  51                   help="Wakeup every N cycles")
  52 parser.add_option("--test-type", type="string", default="SeriesGetx",
  53                   help="SeriesGetx|SeriesGets|Invalidate")
  54
  55 #
  56 # Add the ruby specific and protocol specific options
  57 #
  58 Ruby.define_options(parser)
  59
  60 execfile(os.path.join(config_root, "common", "Options.py"))
  61
  62 (options, args) = parser.parse_args()
  63
  64 if args:
  65      print "Error: script doesn't take any positional arguments"
  66      sys.exit(1)
  67
  68 #
  69 # Select the direct test generator
  70 #
  71 if options.test_type == "SeriesGetx":
  72     generator = SeriesRequestGenerator(num_cpus = options.num_cpus,
  73                                              issue_writes = True)
  74 elif options.test_type == "SeriesGets":
  75     generator = SeriesRequestGenerator(num_cpus = options.num_cpus,
  76                                              issue_writes = False)
  77 elif options.test_type == "Invalidate":
  78     generator = InvalidateGenerator(num_cpus = options.num_cpus)
  79 else:
  80     print "Error: unknown direct test generator"
  81     sys.exit(1)
  82
  83 #
  84 # Create the M5 system.  Note that the PhysicalMemory Object isn't
  85 # actually used by the rubytester, but is included to support the
  86 # M5 memory size == Ruby memory size checks
  87 #
  88 system = System(physmem = PhysicalMemory())
  89
  90 #
  91 # Create the ruby random tester
  92 #
  93 system.tester = RubyDirectedTester(requests_to_complete = \
  94                                    options.requests,
  95                                    generator = generator)
  96
  97 Ruby.create_system(options, system)
  98
  99 assert(options.num_cpus == len(system.ruby._cpu_ruby_ports))
 100
 101 for ruby_port in system.ruby._cpu_ruby_ports:
 102     #
 103     # Tie the ruby tester ports to the ruby cpu ports
 104     #
 105     system.tester.cpuPort = ruby_port.slave
 106
 107 # -----------------------
 108 # run simulation
 109 # -----------------------
 110
 111 root = Root( full_system = False, system = system )
 112 root.system.mem_mode = 'timing'
 113
 114 # Not much point in this being higher than the L1 latency
 115 m5.ticks.setGlobalFrequency('1ns')
 116
 117 # instantiate configuration
 118 m5.instantiate()
 119
 120 # simulate until program terminates
 121 exit_event = m5.simulate(options.maxtick)
 122
 123 print 'Exiting @ tick', m5.curTick(), 'because', exit_event.getCause()