import m5
from m5.objects import *
+from m5.defines import buildEnv
+from m5.util import addToPath
+import os, optparse, sys
+
+# Get paths we might need
+config_path = os.path.dirname(os.path.abspath(__file__))
+config_root = os.path.dirname(config_path)
+m5_root = os.path.dirname(config_root)
+addToPath(config_root+'/configs/common')
+addToPath(config_root+'/configs/ruby')
+addToPath(config_root+'/configs/topologies')
+
+import Options
+import Ruby
+
+parser = optparse.OptionParser()
+Options.addCommonOptions(parser)
+
+# Add the ruby specific and protocol specific options
+Ruby.define_options(parser)
+
+(options, args) = parser.parse_args()
+
+#
+# Set the default cache size and associativity to be very small to encourage
+# races between requests and writebacks.
+#
+options.l1d_size="256B"
+options.l1i_size="256B"
+options.l2_size="512B"
+options.l3_size="1kB"
+options.l1d_assoc=2
+options.l1i_assoc=2
+options.l2_assoc=2
+options.l3_assoc=2
nb_cores = 4
cpus = [ TimingSimpleCPU(cpu_id=i) for i in xrange(nb_cores) ]
+# overwrite the num_cpus to equal nb_cores
+options.num_cpus = nb_cores
+
# system simulated
-system = System(cpu = cpus, physmem = RubyMemory(num_cpus=nb_cores),
- membus = Bus())
+system = System(cpu = cpus, 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.connectMemPorts(system.membus)
- cpu.clock = '2GHz'
+Ruby.create_system(options, False, system)
-# connect memory to membus
-system.physmem.port = system.membus.port
+# Create a separate clock domain for Ruby
+system.ruby.clk_domain = SrcClockDomain(clock = options.ruby_clock)
+assert(options.num_cpus == len(system.ruby._cpu_ports))
+
+for (i, cpu) in enumerate(system.cpu):
+ # create the interrupt controller
+ cpu.createInterruptController()
+
+ #
+ # Tie the cpu ports to the ruby cpu ports
+ #
+ cpu.connectAllPorts(system.ruby._cpu_ports[i])
# -----------------------
# run simulation
# -----------------------
-root = Root( system = system )
+root = Root( full_system=False, system = system )
root.system.mem_mode = 'timing'
+
+# Not much point in this being higher than the L1 latency
+m5.ticks.setGlobalFrequency('1ns')