# Copyright (c) 2006-2007 The Regents of The University of Michigan
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import m5
from m5.objects import *

nb_cores = 4
cpus = [ AtomicSimpleCPU(cpu_id=i) for i in range(nb_cores) ]

import ruby_config
ruby_memory = ruby_config.generate("TwoLevel_SplitL1UnifiedL2.rb", nb_cores)

# system simulated
system = System(cpu = cpus, physmem = ruby_memory, membus = SystemXBar(),
                clk_domain = SrcClockDomain(clock = '1GHz'))

# Create a seperate clock domain for components that should run at
# CPUs frequency
system.cpu.clk_domain = SrcClockDomain(clock = '2GHz')

# add L1 caches
for cpu in cpus:
    cpu.connectBus(system.membus)
    # All cpus are associated with cpu_clk_domain
    cpu.clk_domain = system.cpu_clk_domain

# connect memory to membus
system.physmem.port = system.membus.mem_side_ports

# Connect the system port for loading of binaries etc
system.system_port = system.membus.cpu_side_ports

# -----------------------
# run simulation
# -----------------------

root = Root(full_system = False, system = system)
root.system.mem_mode = 'atomic'