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
  47 import Ruby
  48
  49 parser = optparse.OptionParser()
  50
  51 #
  52 # Add the ruby specific and protocol specific options
  53 #
  54 Ruby.define_options(parser)
  55
  56 execfile(os.path.join(config_root, "configs/common", "Options.py"))
  57
  58 (options, args) = parser.parse_args()
  59
  60 #
  61 # Set the default cache size and associativity to be very small to encourage
  62 # races between requests and writebacks.
  63 #
  64 options.l1d_size="256B"
  65 options.l1i_size="256B"
  66 options.l2_size="512B"
  67 options.l3_size="1kB"
  68 options.l1d_assoc=2
  69 options.l1i_assoc=2
  70 options.l2_assoc=2
  71 options.l3_assoc=2
  72
  73 #
  74 # create the tester and system, including ruby
  75 #
  76 tester = RubyTester(checks_to_complete = 100, wakeup_frequency = 10)
  77
  78 system = System(tester = tester, physmem = PhysicalMemory())
  79
  80 Ruby.create_system(options, system)
  81
  82 assert(options.num_cpus == len(system.ruby._cpu_ruby_ports))
  83
  84 #
  85 # The tester is most effective when randomization is turned on and
  86 # artifical delay is randomly inserted on messages
  87 #
  88 system.ruby.randomization = True
  89
  90 for ruby_port in system.ruby._cpu_ruby_ports:
  91     #
  92     # Tie the ruby tester ports to the ruby cpu ports
  93     #
  94     tester.cpuPort = ruby_port.port
  95
  96     #
  97     # Tell the sequencer this is the ruby tester so that it
  98     # copies the subblock back to the checker
  99     #
 100     ruby_port.using_ruby_tester = True
 101
 102     #
 103     # Ruby doesn't need the backing image of memory when running with
 104     # the tester.
 105     #
 106     ruby_port.access_phys_mem = False
 107
 108 # Connect the system port for loading of binaries etc
 109 system.system_port = system.ruby._sys_port_proxy.port
 110
 111 # -----------------------
 112 # run simulation
 113 # -----------------------
 114
 115 root = Root(full_system = False, system = system )
 116 root.system.mem_mode = 'timing'
 117
 118 # Not much point in this being higher than the L1 latency
 119 m5.ticks.setGlobalFrequency('1ns')