cc59815975
Most Ruby tests assume that the highest frequency in the system under test is 1GHz and limits the global tick rate to this frequency. This assumption is broken since the default Ruby configuration scripts clock the CPU at 2Ghz, which results in warnings and sometimes incorrect behaviour. Change-Id: I4b204660862ce3b0ea4a13df42caacd4398fef8c Signed-off-by: Andreas Sandberg <andreas.sandberg@arm.com> Reviewed-on: https://gem5-review.googlesource.com/c/15975 Reviewed-by: Nikos Nikoleris <nikos.nikoleris@arm.com> Reviewed-by: Jason Lowe-Power <jason@lowepower.com>
100 lines
3.4 KiB
Python
100 lines
3.4 KiB
Python
# Copyright (c) 2006-2007 The Regents of The University of Michigan
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are
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# met: redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer;
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# redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution;
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# neither the name of the copyright holders nor the names of its
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# contributors may be used to endorse or promote products derived from
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# this software without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#
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# Authors: Steve Reinhardt
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import m5
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from m5.objects import *
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from m5.defines import buildEnv
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from m5.util import addToPath
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import os, optparse, sys
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m5.util.addToPath('../configs/')
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from ruby import Ruby
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from common import Options
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parser = optparse.OptionParser()
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Options.addCommonOptions(parser)
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# Add the ruby specific and protocol specific options
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Ruby.define_options(parser)
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(options, args) = parser.parse_args()
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#
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# Set the default cache size and associativity to be very small to encourage
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# races between requests and writebacks.
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#
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options.l1d_size="256B"
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options.l1i_size="256B"
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options.l2_size="512B"
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options.l3_size="1kB"
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options.l1d_assoc=2
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options.l1i_assoc=2
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options.l2_assoc=2
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options.l3_assoc=2
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# this is a uniprocessor only test
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options.num_cpus = 1
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cpu = TimingSimpleCPU(cpu_id=0)
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system = System(cpu = cpu)
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# Dummy voltage domain for all our clock domains
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system.voltage_domain = VoltageDomain(voltage = options.sys_voltage)
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system.clk_domain = SrcClockDomain(clock = '1GHz',
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voltage_domain = system.voltage_domain)
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# Create a seperate clock domain for components that should run at
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# CPUs frequency
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system.cpu.clk_domain = SrcClockDomain(clock = '2GHz',
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voltage_domain = system.voltage_domain)
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system.mem_ranges = AddrRange('256MB')
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Ruby.create_system(options, False, system)
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# Create a separate clock for Ruby
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system.ruby.clk_domain = SrcClockDomain(clock = options.ruby_clock,
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voltage_domain = system.voltage_domain)
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assert(len(system.ruby._cpu_ports) == 1)
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# create the interrupt controller
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cpu.createInterruptController()
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#
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# Tie the cpu cache ports to the ruby cpu ports and
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# physmem, respectively
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#
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cpu.connectAllPorts(system.ruby._cpu_ports[0])
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# -----------------------
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# run simulation
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# -----------------------
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root = Root(full_system = False, system = system)
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root.system.mem_mode = 'timing'
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