# Copyright (c) 2006-2007 The Regents of The University of Michigan # All rights reserved. # # Redistribution and use in source and binary forms, with or without # modification, are permitted provided that the following conditions are # met: redistributions of source code must retain the above copyright # notice, this list of conditions and the following disclaimer; # redistributions in binary form must reproduce the above copyright # notice, this list of conditions and the following disclaimer in the # documentation and/or other materials provided with the distribution; # neither the name of the copyright holders nor the names of its # contributors may be used to endorse or promote products derived from # this software without specific prior written permission. # # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. import m5 from m5.objects import * m5.util.addToPath("../configs/") from common.Caches import * # MAX CORES IS 8 with the fals sharing method nb_cores = 8 cpus = [MemTest() for i in range(nb_cores)] # system simulated system = System(cpu=cpus, physmem=SimpleMemory(), membus=SystemXBar()) # Dummy voltage domain for all our clock domains system.voltage_domain = VoltageDomain() system.clk_domain = SrcClockDomain( clock="1GHz", voltage_domain=system.voltage_domain ) # Create a seperate clock domain for components that should run at # CPUs frequency system.cpu_clk_domain = SrcClockDomain( clock="2GHz", voltage_domain=system.voltage_domain ) system.toL2Bus = L2XBar(clk_domain=system.cpu_clk_domain) system.l2c = L2Cache(clk_domain=system.cpu_clk_domain, size="64kB", assoc=8) system.l2c.cpu_side = system.toL2Bus.mem_side_ports # connect l2c to membus system.l2c.mem_side = system.membus.cpu_side_ports # add L1 caches for cpu in cpus: # All cpus are associated with cpu_clk_domain cpu.clk_domain = system.cpu_clk_domain cpu.l1c = L1Cache(size="32kB", assoc=4) cpu.l1c.cpu_side = cpu.port cpu.l1c.mem_side = system.toL2Bus.cpu_side_ports system.system_port = system.membus.cpu_side_ports # connect memory to membus system.physmem.port = system.membus.mem_side_ports # ----------------------- # run simulation # ----------------------- root = Root(full_system=False, system=system) root.system.mem_mode = "timing"