From 8d2831725a73bcc600e731b334a372767e8856b1 Mon Sep 17 00:00:00 2001 From: Derek Christ Date: Wed, 27 Jul 2022 14:38:51 +0200 Subject: [PATCH] configs: Add DRAMSys config example Add an example configuration for gem5 that runs the DRAMSys simulator with a TrafficGenerator initiator. Change-Id: If90f49fcc05b73905b2f9dc8b7aadfdbd866340a Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/62913 Reviewed-by: Bobby Bruce Maintainer: Bobby Bruce Tested-by: kokoro --- configs/example/dramsys.py | 63 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 63 insertions(+) create mode 100755 configs/example/dramsys.py diff --git a/configs/example/dramsys.py b/configs/example/dramsys.py new file mode 100755 index 0000000000..934ff17b57 --- /dev/null +++ b/configs/example/dramsys.py @@ -0,0 +1,63 @@ +# Copyright (c) 2022 Fraunhofer IESE +# 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 * + +traffic_gen = PyTrafficGen() +system = System() +vd = VoltageDomain(voltage="1V") + +system.mem_mode = "timing" + +system.cpu = traffic_gen + +dramsys = DRAMSys( + configuration="ext/dramsys/DRAMSys/DRAMSys/" + "library/resources/simulations/ddr4-example.json", + resource_directory="ext/dramsys/DRAMSys/DRAMSys/library/resources", +) + +system.target = dramsys +system.transactor = Gem5ToTlmBridge32() +system.clk_domain = SrcClockDomain(clock="1.5GHz", voltage_domain=vd) + +# Connect everything: +system.transactor.gem5 = system.cpu.port +system.transactor.tlm = system.target.tlm + +kernel = SystemC_Kernel(system=system) +root = Root(full_system=False, systemc_kernel=kernel) + +m5.instantiate() +idle = traffic_gen.createIdle(100000) +linear = traffic_gen.createLinear(10000000, 0, 16777216, 64, 500, 1500, 65, 0) +random = traffic_gen.createRandom(10000000, 0, 16777216, 64, 500, 1500, 65, 0) +traffic_gen.start([linear, idle, random]) + +cause = m5.simulate(20000000).getCause() +print(cause)