127 lines
4.3 KiB
Python
127 lines
4.3 KiB
Python
# Copyright (c) 2006-2007 The Regents of The University of Michigan
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# Copyright (c) 2010 Advanced Micro Devices, Inc.
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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: Ron Dreslinski
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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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# Get paths we might need
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config_path = os.path.dirname(os.path.abspath(__file__))
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config_root = os.path.dirname(config_path)
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m5_root = os.path.dirname(config_root)
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addToPath(config_root+'/configs/common')
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addToPath(config_root+'/configs/ruby')
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addToPath(config_root+'/configs/topologies')
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import Ruby
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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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options.ports=32
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#MAX CORES IS 8 with the fals sharing method
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nb_cores = 8
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# ruby does not support atomic, functional, or uncacheable accesses
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cpus = [ MemTest(percent_functional=50,
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percent_uncacheable=0, suppress_func_warnings=True) \
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for i in xrange(nb_cores) ]
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# overwrite options.num_cpus with the nb_cores value
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options.num_cpus = nb_cores
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# system simulated
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system = System(cpu = cpus)
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# Dummy voltage domain for all our clock domains
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system.voltage_domain = VoltageDomain()
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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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# All cpus are associated with cpu_clk_domain
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for cpu in cpus:
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cpu.clk_domain = system.cpu_clk_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 domain 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(cpus) == len(system.ruby._cpu_ports))
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for (i, ruby_port) in enumerate(system.ruby._cpu_ports):
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#
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# Tie the cpu port to the ruby cpu ports and
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# physmem, respectively
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#
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cpus[i].port = ruby_port.slave
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#
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# Since the memtester is incredibly bursty, increase the deadlock
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# threshold to 1 million cycles
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#
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ruby_port.deadlock_threshold = 1000000
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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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# Not much point in this being higher than the L1 latency
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m5.ticks.setGlobalFrequency('1ns')
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