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# Copyright (c) 2015 Jason Power
# All rights reserved.
#
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# 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
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# 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.
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# 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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"""
This is the RISCV equivalent to `simple.py` (which is designed to run using the
X86 ISA). More detailed documentation can be found in `simple.py`.
"""
import m5
from m5.objects import *
system = System()
system.clk_domain = SrcClockDomain()
system.clk_domain.clock = "1GHz"
system.clk_domain.voltage_domain = VoltageDomain()
system.mem_mode = "timing"
system.mem_ranges = [AddrRange("512MB")]
system.cpu = RiscvTimingSimpleCPU()
system.membus = SystemXBar()
system.cpu.icache_port = system.membus.cpu_side_ports
system.cpu.dcache_port = system.membus.cpu_side_ports
system.cpu.createInterruptController()
system.mem_ctrl = MemCtrl()
system.mem_ctrl.dram = DDR3_1600_8x8()
system.mem_ctrl.dram.range = system.mem_ranges[0]
system.mem_ctrl.port = system.membus.mem_side_ports
system.system_port = system.membus.cpu_side_ports
thispath = os.path.dirname(os.path.realpath(__file__))
binary = os.path.join(
thispath,
"../../../",
"tests/test-progs/hello/bin/riscv/linux/hello",
)
system.workload = SEWorkload.init_compatible(binary)
process = Process()
process.cmd = [binary]
system.cpu.workload = process
system.cpu.createThreads()
root = Root(full_system=False, system=system)
m5.instantiate()
print("Beginning simulation!")
exit_event = m5.simulate()
print("Exiting @ tick %i because %s" % (m5.curTick(), exit_event.getCause()))