| # 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(width=16, snoop_filter = SnoopFilter())) |
| # 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, |
| snoop_filter = SnoopFilter()) |
| 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' |