tests/configs/simple-atomic-mp.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/common')
  32 from Caches import *
  33
  34 nb_cores = 4
  35 cpus = [ AtomicSimpleCPU(cpu_id=i) for i in xrange(nb_cores) ]
  36
  37 # system simulated
  38 system = System(cpu = cpus,
  39                 physmem = SimpleMemory(range = AddrRange('1024MB')),
  40                 membus = CoherentBus())
  41
  42 # l2cache & bus
  43 system.toL2Bus = CoherentBus(clock = '2GHz')
  44 system.l2c = L2Cache(clock = '2GHz', size='4MB', assoc=8)
  45 system.l2c.cpu_side = system.toL2Bus.master
  46
  47 # connect l2c to membus
  48 system.l2c.mem_side = system.membus.slave
  49
  50 # add L1 caches
  51 for cpu in cpus:
  52     cpu.addPrivateSplitL1Caches(L1Cache(size = '32kB', assoc = 1),
  53                                 L1Caches(size = '32kB', assoc = 4))
  54     # create the interrupt controller
  55     cpu.createInterruptController()
  56     # connect cpu level-1 caches to shared level-2 cache
  57     cpu.connectAllPorts(system.toL2Bus, system.membus)
  58     cpu.clock = '2GHz'
  59
  60 # connect memory to membus
  61 system.physmem.port = system.membus.master
  62
  63 # connect system port to membus
  64 system.system_port = system.membus.slave
  65
  66 # -----------------------
  67 # run simulation
  68 # -----------------------
  69
  70 root = Root( full_system = False, system = system )
  71 root.system.mem_mode = 'atomic'