| # Copyright (c) 2017, University of Kaiserslautern |
| # All rights reserved. |
| # |
| # Redistribution and use in source and binary forms, with or without |
| # modification, are permitted provided that the following conditions are |
| # met: |
| # |
| # 1. Redistributions of source code must retain the above copyright notice, |
| # this list of conditions and the following disclaimer. |
| # |
| # 2. 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. |
| # |
| # 3. Neither the name of the copyright holder 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 HOLDER |
| # 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 |
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| # NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
| # SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| # |
| # Author: Éder F. Zulian |
| |
| import sys |
| import argparse |
| |
| import m5 |
| from m5.objects import * |
| from m5.util import * |
| from gem5.runtime import get_runtime_isa |
| |
| addToPath("../") |
| |
| from common import MemConfig |
| from common import HMC |
| |
| |
| pd = "Simple 'hello world' example using HMC as main memory" |
| parser = argparse.ArgumentParser(description=pd) |
| HMC.add_options(parser) |
| options = parser.parse_args() |
| # create the system we are going to simulate |
| system = System() |
| # use timing mode for the interaction between requestor-responder ports |
| system.mem_mode = "timing" |
| # set the clock frequency of the system |
| clk = "1GHz" |
| vd = VoltageDomain(voltage="1V") |
| system.clk_domain = SrcClockDomain(clock=clk, voltage_domain=vd) |
| # create a simple CPU |
| system.cpu = TimingSimpleCPU() |
| # config memory system |
| MemConfig.config_mem(options, system) |
| # hook the CPU ports up to the membus |
| system.cpu.icache_port = system.membus.cpu_side_ports |
| system.cpu.dcache_port = system.membus.cpu_side_ports |
| # create the interrupt controller for the CPU and connect to the membus |
| system.cpu.createInterruptController() |
| # connect special port in the system to the membus. This port is a |
| # functional-only port to allow the system to read and write memory. |
| system.system_port = system.membus.cpu_side_ports |
| # get ISA for the binary to run. |
| isa = get_runtime_isa() |
| # run 'hello' and use the compiled ISA to find the binary |
| binary = "tests/test-progs/hello/bin/" + isa.name.lower() + "/linux/hello" |
| # create a process for a simple "Hello World" application |
| process = Process() |
| # cmd is a list which begins with the executable (like argv) |
| process.cmd = [binary] |
| # set the system workload |
| system.workload = SEWorkload.init_compatible(binary) |
| # set the cpu workload |
| system.cpu.workload = process |
| # create thread contexts |
| system.cpu.createThreads() |
| # set up the root SimObject |
| root = Root(full_system=False, system=system) |
| m5.instantiate() |
| m5.simulate() |
