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 if buildEnv['FULL_SYSTEM']:
  42     panic("This script requires system-emulation mode (*_SE).")
  43
  44 # Get paths we might need.  It's expected this file is in m5/configs/example.
  45 config_path = os.path.dirname(os.path.abspath(__file__))
  46 config_root = os.path.dirname(config_path)
  47 m5_root = os.path.dirname(config_root)
  48
  49 parser = optparse.OptionParser()
  50
  51 parser.add_option("-l", "--requests", metavar="N", default=100,
  52                   help="Stop after N requests")
  53 parser.add_option("-f", "--wakeup_freq", metavar="N", default=10,
  54                   help="Wakeup every N cycles")
  55 parser.add_option("--test-type", type="string", default="SeriesGetx",
  56                   help="SeriesGetx|SeriesGets|Invalidate")
  57
  58 #
  59 # Add the ruby specific and protocol specific options
  60 #
  61 Ruby.define_options(parser)
  62
  63 execfile(os.path.join(config_root, "common", "Options.py"))
  64
  65 (options, args) = parser.parse_args()
  66
  67 if args:
  68      print "Error: script doesn't take any positional arguments"
  69      sys.exit(1)
  70
  71 #
  72 # Select the direct test generator
  73 #
  74 if options.test_type == "SeriesGetx":
  75     generator = SeriesRequestGenerator(num_cpus = options.num_cpus,
  76                                              issue_writes = True)
  77 elif options.test_type == "SeriesGets":
  78     generator = SeriesRequestGenerator(num_cpus = options.num_cpus,
  79                                              issue_writes = False)
  80 elif options.test_type == "Invalidate":
  81     generator = InvalidateGenerator(num_cpus = options.num_cpus)
  82 else:
  83     print "Error: unknown direct test generator"
  84     sys.exit(1)
  85
  86 #
  87 # Create the M5 system.  Note that the PhysicalMemory Object isn't
  88 # actually used by the rubytester, but is included to support the
  89 # M5 memory size == Ruby memory size checks
  90 #
  91 system = System(physmem = PhysicalMemory())
  92
  93 #
  94 # Create the ruby random tester
  95 #
  96 system.tester = RubyDirectedTester(requests_to_complete = \
  97                                    options.requests,
  98                                    generator = generator)
  99
 100 Ruby.create_system(options, system)
 101
 102 assert(options.num_cpus == len(system.ruby._cpu_ruby_ports))
 103
 104 for ruby_port in system.ruby._cpu_ruby_ports:
 105     #
 106     # Tie the ruby tester ports to the ruby cpu ports
 107     #
 108     system.tester.cpuPort = ruby_port.port
 109
 110 # -----------------------
 111 # run simulation
 112 # -----------------------
 113
 114 root = Root( full_system = False, system = system )
 115 root.system.mem_mode = 'timing'
 116
 117 # Not much point in this being higher than the L1 latency
 118 m5.ticks.setGlobalFrequency('1ns')
 119
 120 # instantiate configuration
 121 m5.instantiate()
 122
 123 # simulate until program terminates
 124 exit_event = m5.simulate(options.maxtick)
 125
 126 print 'Exiting @ tick', m5.curTick(), 'because', exit_event.getCause()