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# Copyright (c) 2006-2007 The Regents of The University of Michigan
# 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
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# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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# 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
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import m5
from m5.objects import *
m5.util.addToPath('../../../configs/')
from common.Caches import *
#MAX CORES IS 8 with the fals sharing method
nb_cores = 8
cpus = [MemTest(max_loads = 1e5, progress_interval = 1e4)
for i in range(nb_cores) ]
# system simulated
system = System(cpu = cpus,
physmem = SimpleMemory(),
membus = SystemXBar())
# Dummy voltage domain for all our clock domains
system.voltage_domain = VoltageDomain()
system.clk_domain = SrcClockDomain(clock = '1GHz',
voltage_domain = system.voltage_domain)
# Create a seperate clock domain for components that should run at
# CPUs frequency
system.cpu_clk_domain = SrcClockDomain(clock = '2GHz',
voltage_domain = system.voltage_domain)
system.toL2Bus = L2XBar(clk_domain = system.cpu_clk_domain)
system.l2c = L2Cache(clk_domain = system.cpu_clk_domain, size='64kB', assoc=8)
system.l2c.cpu_side = system.toL2Bus.mem_side_ports
# connect l2c to membus
system.l2c.mem_side = system.membus.cpu_side_ports
# add L1 caches
for cpu in cpus:
# All cpus are associated with cpu_clk_domain
cpu.clk_domain = system.cpu_clk_domain
cpu.l1c = L1Cache(size = '32kB', assoc = 4)
cpu.l1c.cpu_side = cpu.port
cpu.l1c.mem_side = system.toL2Bus.cpu_side_ports
system.system_port = system.membus.cpu_side_ports
# connect memory to membus
system.physmem.port = system.membus.mem_side_ports
# -----------------------
# run simulation
# -----------------------
root = Root( full_system = False, system = system )
root.system.mem_mode = 'timing'
m5.instantiate()
exit_event = m5.simulate()
if exit_event.getCause() != "maximum number of loads reached":
exit(1)