tests/configs/rubytest-ruby.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
  37 if buildEnv['FULL_SYSTEM']:
  38     panic("This script requires system-emulation mode (*_SE).")
  39
  40 # Get paths we might need.  It's expected this file is in m5/configs/example.
  41 config_path = os.path.dirname(os.path.abspath(__file__))
  42 config_root = os.path.dirname(config_path)
  43 m5_root = os.path.dirname(config_root)
  44 addToPath(config_root+'/configs/common')
  45 addToPath(config_root+'/configs/ruby')
  46 addToPath(config_root+'/configs/ruby/protocols')
  47 addToPath(config_root+'/configs/ruby/topologies')
  48
  49 import Ruby
  50
  51 parser = optparse.OptionParser()
  52
  53 #
  54 # Set the default cache size and associativity to be very small to encourage
  55 # races between requests and writebacks.
  56 #
  57 parser.add_option("--l1d_size", type="string", default="256B")
  58 parser.add_option("--l1i_size", type="string", default="256B")
  59 parser.add_option("--l2_size", type="string", default="512B")
  60 parser.add_option("--l1d_assoc", type="int", default=2)
  61 parser.add_option("--l1i_assoc", type="int", default=2)
  62 parser.add_option("--l2_assoc", type="int", default=2)
  63
  64 execfile(os.path.join(config_root, "configs/common", "Options.py"))
  65
  66 (options, args) = parser.parse_args()
  67
  68 #
  69 # create the tester and system, including ruby
  70 #
  71 tester = RubyTester(checks_to_complete = 100, wakeup_frequency = 10)
  72
  73 system = System(tester = tester, physmem = PhysicalMemory())
  74
  75 system.ruby = Ruby.create_system(options, system.physmem)
  76
  77 assert(options.num_cpus == len(system.ruby.cpu_ruby_ports))
  78
  79 #
  80 # The tester is most effective when randomization is turned on and
  81 # artifical delay is randomly inserted on messages
  82 #
  83 system.ruby.randomization = True
  84
  85 for ruby_port in system.ruby.cpu_ruby_ports:
  86     #
  87     # Tie the ruby tester ports to the ruby cpu ports
  88     #
  89     tester.cpuPort = ruby_port.port
  90
  91     #
  92     # Tell the sequencer this is the ruby tester so that it
  93     # copies the subblock back to the checker
  94     #
  95     ruby_port.using_ruby_tester = True
  96
  97 # -----------------------
  98 # run simulation
  99 # -----------------------
 100
 101 root = Root( system = system )
 102 root.system.mem_mode = 'timing'
 103
 104 # Not much point in this being higher than the L1 latency
 105 m5.ticks.setGlobalFrequency('1ns')