blob: 0d1171c7c4f448bb509a3303e2c22a7d7749267b [file] [log] [blame]
#
# Copyright (c) 2010-2015 Advanced Micro Devices, Inc.
# All rights reserved.
#
# For use for simulation and test purposes only
#
# 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.
#
# Author: Brad Beckmann
#
import m5
from m5.objects import *
from m5.defines import buildEnv
from m5.util import addToPath
import os, argparse, sys
m5.util.addToPath('../configs/')
from ruby import Ruby
from common import Options
parser = argparse.ArgumentParser()
Options.addCommonOptions(parser)
# add the gpu specific options expected by the the gpu and gpu_RfO
parser.add_argument("-u", "--num-compute-units", type=int, default=8,
help="number of compute units in the GPU")
parser.add_argument("--num-cp", type=int, default=0,
help="Number of GPU Command Processors (CP)")
parser.add_argument("--simds-per-cu", type=int, default=4, help="SIMD units" \
"per CU")
parser.add_argument("--wf-size", type=int, default=64,
help="Wavefront size(in workitems)")
parser.add_argument("--wfs-per-simd", type=int, default=10, help="Number of " \
"WF slots per SIMD")
# Add the ruby specific and protocol specific options
Ruby.define_options(parser)
args = parser.parse_args()
#
# Set the default cache size and associativity to be very small to encourage
# races between requests and writebacks.
#
args.l1d_size="256B"
args.l1i_size="256B"
args.l2_size="512B"
args.l3_size="1kB"
args.l1d_assoc=2
args.l1i_assoc=2
args.l2_assoc=2
args.l3_assoc=2
args.num_compute_units=8
args.num_sqc=2
# Check to for the GPU_RfO protocol. Other GPU protocols are non-SC and will
# not work with the Ruby random tester.
assert(buildEnv['PROTOCOL'] == 'GPU_RfO')
#
# create the tester and system, including ruby
#
tester = RubyTester(check_flush = False, checks_to_complete = 100,
wakeup_frequency = 10, num_cpus = args.num_cpus)
# We set the testers as cpu for ruby to find the correct clock domains
# for the L1 Objects.
system = System(cpu = tester)
# Dummy voltage domain for all our clock domains
system.voltage_domain = VoltageDomain(voltage = args.sys_voltage)
system.clk_domain = SrcClockDomain(clock = '1GHz',
voltage_domain = system.voltage_domain)
system.mem_ranges = AddrRange('256MB')
# the ruby tester reuses num_cpus to specify the
# number of cpu ports connected to the tester object, which
# is stored in system.cpu. because there is only ever one
# tester object, num_cpus is not necessarily equal to the
# size of system.cpu
cpu_list = [ system.cpu ] * args.num_cpus
Ruby.create_system(args, False, system, cpus=cpu_list)
# Create a separate clock domain for Ruby
system.ruby.clk_domain = SrcClockDomain(clock = '1GHz',
voltage_domain = system.voltage_domain)
tester.num_cpus = len(system.ruby._cpu_ports)
#
# The tester is most effective when randomization is turned on and
# artifical delay is randomly inserted on messages
#
system.ruby.randomization = True
for ruby_port in system.ruby._cpu_ports:
#
# Tie the ruby tester ports to the ruby cpu read and write ports
#
if ruby_port.support_data_reqs and ruby_port.support_inst_reqs:
tester.cpuInstDataPort = ruby_port.slave
elif ruby_port.support_data_reqs:
tester.cpuDataPort = ruby_port.slave
elif ruby_port.support_inst_reqs:
tester.cpuInstPort = ruby_port.slave
# Do not automatically retry stalled Ruby requests
ruby_port.no_retry_on_stall = True
#
# Tell the sequencer this is the ruby tester so that it
# copies the subblock back to the checker
#
ruby_port.using_ruby_tester = True
# -----------------------
# run simulation
# -----------------------
root = Root(full_system = False, system = system )
root.system.mem_mode = 'timing'