Derek C. has uploaded this change for review. ( https://gem5-review.googlesource.com/c/public/gem5/+/62913?usp=email ) Change subject: mem: Add DRAMSys config example ...................................................................... mem: Add DRAMSys config example Add an example configuration for gem5 that runs the DRAMSys simulator with an TrafficGenerator initiator. Change-Id: If90f49fcc05b73905b2f9dc8b7aadfdbd866340a --- A configs/example/dramsys/dramsys.py A configs/example/dramsys/memcheck.cfg 2 files changed, 102 insertions(+), 0 deletions(-) diff --git a/configs/example/dramsys/dramsys.py b/configs/example/dramsys/dramsys.py new file mode 100755 index 0000000..f5bf812 --- /dev/null +++ b/configs/example/dramsys/dramsys.py @@ -0,0 +1,80 @@ +# 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: +# +# 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 +# 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 os +import m5 + +from m5.objects import * + +# Create a config to be used by the traffic generator +cfg_file_name = "memcheck.cfg" +cfg_file_path = os.path.dirname(__file__) + "/" +cfg_file_name +cfg_file = open(cfg_file_path, 'w') + +# Three states, with random, linear and idle behaviours. The random +# and linear states access memory in the range [0 : 16 Mbyte] with 8 +# byte and 64 byte accesses respectively. +cfg_file.write("STATE 0 10000000 RANDOM 65 0 16777216 64 50000 150000 0\n") +cfg_file.write("STATE 1 10000000 LINEAR 65 0 16777216 64 50000 150000 0\n") +cfg_file.write("STATE 2 10000000 IDLE\n") +cfg_file.write("INIT 0\n") +cfg_file.write("TRANSITION 0 1 0.5\n") +cfg_file.write("TRANSITION 0 2 0.5\n") +cfg_file.write("TRANSITION 1 0 0.5\n") +cfg_file.write("TRANSITION 1 2 0.5\n") +cfg_file.write("TRANSITION 2 0 0.5\n") +cfg_file.write("TRANSITION 2 1 0.5\n") +cfg_file.close() + +system = System() +vd = VoltageDomain(voltage = '1V') + +system.mem_mode = 'timing' + +system.cpu = TrafficGen(config_file = cfg_file_path) +system.target = DRAMSys( + configuration = "ext/dramsys/DRAMSys/DRAMSys/" + "library/resources/simulations/ddr4-example.json", + resource_directory = "ext/dramsys/DRAMSys/DRAMSys/library/resources") +system.physmem = SimpleMemory() # This must be instanciated, even if not needed +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(None) + +cause = m5.simulate(1000000000).getCause() +print(cause) diff --git a/configs/example/dramsys/memcheck.cfg b/configs/example/dramsys/memcheck.cfg new file mode 100644 index 0000000..e7e64be --- /dev/null +++ b/configs/example/dramsys/memcheck.cfg @@ -0,0 +1,10 @@ +STATE 0 10000000 RANDOM 65 0 16777216 64 50000 150000 0 +STATE 1 10000000 LINEAR 65 0 16777216 64 50000 150000 0 +STATE 2 10000000 IDLE +INIT 0 +TRANSITION 0 1 0.5 +TRANSITION 0 2 0.5 +TRANSITION 1 0 0.5 +TRANSITION 1 2 0.5 +TRANSITION 2 0 0.5 +TRANSITION 2 1 0.5 -- To view, visit https://gem5-review.googlesource.com/c/public/gem5/+/62913?usp=email To unsubscribe, or for help writing mail filters, visit https://gem5-review.googlesource.com/settings Gerrit-Project: public/gem5 Gerrit-Branch: develop Gerrit-Change-Id: If90f49fcc05b73905b2f9dc8b7aadfdbd866340a Gerrit-Change-Number: 62913 Gerrit-PatchSet: 1 Gerrit-Owner: Derek C. <christ.derek@gmail.com> Gerrit-MessageType: newchange