simple-atomic-mp.py revision 9323:e22374824171
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 29import m5 30from m5.objects import * 31m5.util.addToPath('../configs/common') 32from Caches import * 33 34nb_cores = 4 35cpus = [ AtomicSimpleCPU(cpu_id=i) for i in xrange(nb_cores) ] 36 37# system simulated 38system = System(cpu = cpus, 39 physmem = SimpleMemory(range = AddrRange('1024MB')), 40 membus = CoherentBus()) 41 42# l2cache & bus 43system.toL2Bus = CoherentBus(clock = '2GHz') 44system.l2c = L2Cache(clock = '2GHz', size='4MB', assoc=8) 45system.l2c.cpu_side = system.toL2Bus.master 46 47# connect l2c to membus 48system.l2c.mem_side = system.membus.slave 49 50# add L1 caches 51for 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 61system.physmem.port = system.membus.master 62 63# connect system port to membus 64system.system_port = system.membus.slave 65 66# ----------------------- 67# run simulation 68# ----------------------- 69 70root = Root( full_system = False, system = system ) 71root.system.mem_mode = 'atomic' 72