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 import m5
  29 from m5.objects import *
  30 from m5.defines import buildEnv
  31 from m5.util import addToPath
  32 import os, optparse, sys
  33
  34 m5.util.addToPath('../configs/')
  35
  36 from ruby import Ruby
  37 from common import Options
  38
  39 parser = optparse.OptionParser()
  40 Options.addNoISAOptions(parser)
  41
  42 # Add the ruby specific and protocol specific options
  43 Ruby.define_options(parser)
  44
  45 (options, args) = parser.parse_args()
  46
  47 #
  48 # Set the default cache size and associativity to be very small to encourage
  49 # races between requests and writebacks.
  50 #
  51 options.l1d_size="256B"
  52 options.l1i_size="256B"
  53 options.l2_size="512B"
  54 options.l3_size="1kB"
  55 options.l1d_assoc=2
  56 options.l1i_assoc=2
  57 options.l2_assoc=2
  58 options.l3_assoc=2
  59 options.ports=32
  60
  61 # Turn on flush check for the hammer protocol
  62 check_flush = False
  63 if buildEnv['PROTOCOL'] == 'MOESI_hammer':
  64     check_flush = True
  65
  66 #
  67 # create the tester and system, including ruby
  68 #
  69 tester = RubyTester(check_flush = check_flush, checks_to_complete = 100,
  70                     wakeup_frequency = 10, num_cpus = options.num_cpus)
  71
  72 # We set the testers as cpu for ruby to find the correct clock domains
  73 # for the L1 Objects.
  74 system = System(cpu = tester)
  75
  76 # Dummy voltage domain for all our clock domains
  77 system.voltage_domain = VoltageDomain(voltage = options.sys_voltage)
  78 system.clk_domain = SrcClockDomain(clock = '1GHz',
  79                                    voltage_domain = system.voltage_domain)
  80
  81 system.mem_ranges = AddrRange('256MB')
  82
  83 Ruby.create_system(options, False, system)
  84
  85 # Create a separate clock domain for Ruby
  86 system.ruby.clk_domain = SrcClockDomain(clock = '1GHz',
  87                                         voltage_domain = system.voltage_domain)
  88
  89 assert(options.num_cpus == len(system.ruby._cpu_ports))
  90
  91 tester.num_cpus = len(system.ruby._cpu_ports)
  92
  93 #
  94 # The tester is most effective when randomization is turned on and
  95 # artifical delay is randomly inserted on messages
  96 #
  97 system.ruby.randomization = True
  98
  99 for ruby_port in system.ruby._cpu_ports:
 100     #
 101     # Tie the ruby tester ports to the ruby cpu read and write ports
 102     #
 103     if ruby_port.support_data_reqs and ruby_port.support_inst_reqs:
 104         tester.cpuInstDataPort = ruby_port.slave
 105     elif ruby_port.support_data_reqs:
 106         tester.cpuDataPort = ruby_port.slave
 107     elif ruby_port.support_inst_reqs:
 108         tester.cpuInstPort = ruby_port.slave
 109
 110     # Do not automatically retry stalled Ruby requests
 111     ruby_port.no_retry_on_stall = True
 112
 113     #
 114     # Tell the sequencer this is the ruby tester so that it
 115     # copies the subblock back to the checker
 116     #
 117     ruby_port.using_ruby_tester = True
 118
 119 # -----------------------
 120 # run simulation
 121 # -----------------------
 122
 123 root = Root(full_system = False, system = system )
 124 root.system.mem_mode = 'timing'