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# Copyright (c) 2006-2007 The Regents of The University of Michigan
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# Authors: Ron Dreslinski
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() for i in range(nb_cores) ]
# system simulated
system = System(cpu = cpus,
physmem = SimpleMemory(),
membus = SystemXBar(width=16, snoop_filter = SnoopFilter()))
# 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,
snoop_filter = SnoopFilter())
system.l2c = L2Cache(clk_domain = system.cpu_clk_domain, size='64kB', assoc=8)
system.l2c.cpu_side = system.toL2Bus.master
# connect l2c to membus
system.l2c.mem_side = system.membus.slave
# 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.slave
system.system_port = system.membus.slave
# connect memory to membus
system.physmem.port = system.membus.master
# -----------------------
# run simulation
# -----------------------
root = Root( full_system = False, system = system )
root.system.mem_mode = 'timing'