tests/configs/simple-atomic-mp-ruby.py

   1 # Copyright (c) 2006-2007 The Regents of The University of Michigan
   2 # All rights reserved.
   3 #
   4 # Redistribution and use in source and binary forms, with or without
   5 # modification, are permitted provided that the following conditions are
   6 # met: redistributions of source code must retain the above copyright
   7 # notice, this list of conditions and the following disclaimer;
   8 # redistributions in binary form must reproduce the above copyright
   9 # notice, this list of conditions and the following disclaimer in the
  10 # documentation and/or other materials provided with the distribution;
  11 # neither the name of the copyright holders nor the names of its
  12 # contributors may be used to endorse or promote products derived from
  13 # this software without specific prior written permission.
  14 #
  15 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  16 # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  17 # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  18 # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  19 # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  20 # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  21 # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  22 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  23 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  24 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  25 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  26 #
  27 # Authors: Ron Dreslinski
  28
  29 import m5
  30 from m5.objects import *
  31 m5.util.addToPath('../configs/topologies')
  32
  33
  34 nb_cores = 4
  35 cpus = [ AtomicSimpleCPU(cpu_id=i) for i in xrange(nb_cores) ]
  36
  37 import ruby_config
  38 ruby_memory = ruby_config.generate("TwoLevel_SplitL1UnifiedL2.rb", nb_cores)
  39
  40 # system simulated
  41 system = System(cpu = cpus, physmem = ruby_memory, membus = CoherentXBar(),
  42                 clk_domain = SrcClockDomain(clock = '1GHz'))
  43
  44 # Create a seperate clock domain for components that should run at
  45 # CPUs frequency
  46 system.cpu.clk_domain = SrcClockDomain(clock = '2GHz')
  47
  48 # add L1 caches
  49 for cpu in cpus:
  50     cpu.connectAllPorts(system.membus)
  51     # All cpus are associated with cpu_clk_domain
  52     cpu.clk_domain = system.cpu_clk_domain
  53
  54 # connect memory to membus
  55 system.physmem.port = system.membus.master
  56
  57 # Connect the system port for loading of binaries etc
  58 system.system_port = system.membus.slave
  59
  60 # -----------------------
  61 # run simulation
  62 # -----------------------
  63
  64 root = Root(full_system = False, system = system)
  65 root.system.mem_mode = 'atomic'