```
I'm using the configuration based on X86-ubuntu-run-with-kvm.py from the
gem5_library. Here is my configuration.
from gem5.coherence_protocol import CoherenceProtocol
from gem5.components.boards.x86_board import X86Board
from gem5.components.memory.single_channel import SingleChannelDDR3_1600
from gem5.components.processors.cpu_types import CPUTypes
from gem5.components.processors.simple_processor import (
SimpleProcessor,
)
from gem5.isas import ISA
from gem5.resources.resource import (
DiskImageResource,
KernelResource,
)
from gem5.simulate.simulator import Simulator
from gem5.utils.requires import requires
from gem5.components.boards.kernel_disk_workload import KernelDiskWorkload
# This runs a check to ensure the gem5 binary is compiled to X86 and to the
# MESI Two Level coherence protocol.
requires(
isa_required=ISA.X86,
coherence_protocol_required=CoherenceProtocol.MESI_TWO_LEVEL,
)
from gem5.components.cachehierarchies.ruby.mesi_two_level_cache_hierarchy
import (
MESITwoLevelCacheHierarchy,
)
cache_hierarchy = MESITwoLevelCacheHierarchy(
l1d_size="16kB",
l1d_assoc=8,
l1i_size="16kB",
l1i_assoc=8,
l2_size="256kB",
l2_assoc=16,
num_l2_banks=1,
)
# Setup the system memory.
memory = SingleChannelDDR3_1600(size="3GB")
processor = SimpleProcessor(
cpu_type=CPUTypes.O3,
isa=ISA.X86,
num_cores=1,
)
board = X86Board(
clk_freq="3GHz",
processor=processor,
memory=memory,
cache_hierarchy=cache_hierarchy,
)
board.set_kernel_disk_workload(kernel=KernelResource(local_path="/workspace/example"),
disk_image=DiskImageResource(local_path="/workspace/rootfs.ext2"),
)
simulator = Simulator(
board=board,
on_exit_event={
# Here we want override the default behavior for the first m5 exit
# exit event. Instead of exiting the simulator, we just want to
# switch the processor. The 2nd m5 exit after will revert to using
# default behavior where the simulator run will exit.
# ExitEvent.EXIT: (func() for func in [processor.switch])
},
)
simulator.run()
```
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