| # 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. |
| # |
| # Authors: Ron Dreslinski |
| |
| import m5 |
| from m5.objects import * |
| |
| nb_cores = 4 |
| cpus = [ DerivO3CPU(cpu_id=i) for i in range(nb_cores) ] |
| |
| import ruby_config |
| ruby_memory = ruby_config.generate("TwoLevel_SplitL1UnifiedL2.rb", nb_cores) |
| |
| # system simulated |
| system = System(cpu = cpus, physmem = ruby_memory, membus = SystemXBar(), |
| mem_mode = "timing", |
| clk_domain = SrcClockDomain(clock = '1GHz')) |
| |
| # Create a seperate clock domain for components that should run at |
| # CPUs frequency |
| system.cpu_clk_domain = SrcClockDomain(clock = '2GHz') |
| |
| for cpu in cpus: |
| # create the interrupt controller |
| cpu.createInterruptController() |
| cpu.connectAllPorts(system.membus) |
| # All cpus are associated with cpu_clk_domain |
| cpu.clk_domain = system.cpu_clk_domain |
| |
| # connect memory to membus |
| system.physmem.port = system.membus.master |
| |
| # Connect the system port for loading of binaries etc |
| system.system_port = system.membus.slave |
| |
| # ----------------------- |
| # run simulation |
| # ----------------------- |
| |
| root = Root(full_system = False, system = system) |
| root.system.mem_mode = 'timing' |