# /// script
# requires-python = ">=3.10"
# dependencies = []
# ///
# ─── How to run ───
# build/X86/gem5.opt --outdir=run se_timing.py /absolute/path/to/linux-x86-64-static-elf
"""Pending gem5 config: syntax checked only; gem5 compatibility is untested."""

import sys

import m5
from m5.objects import (
    AddrRange, DDR3_1600_8x8, MemCtrl, Process, Root, SEWorkload,
    SrcClockDomain, System, SystemXBar, VoltageDomain, X86TimingSimpleCPU,
)

if len(sys.argv) != 2:
    raise SystemExit("supply one Linux x86-64 static ELF path")

system = System()
system.clk_domain = SrcClockDomain(clock="1GHz", voltage_domain=VoltageDomain())
system.mem_mode = "timing"
system.mem_ranges = [AddrRange("512MiB")]
system.cpu = X86TimingSimpleCPU()
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.cpu.interrupts[0].pio = system.membus.mem_side_ports
system.cpu.interrupts[0].int_requestor = system.membus.cpu_side_ports
system.cpu.interrupts[0].int_responder = system.membus.mem_side_ports
system.system_port = system.membus.cpu_side_ports
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.workload = SEWorkload.init_compatible(sys.argv[1])
process = Process()
process.cmd = [sys.argv[1]]
system.cpu.workload = process
system.cpu.createThreads()
root = Root(full_system=False, system=system)
m5.instantiate()
m5.stats.reset()
exit_event = m5.simulate()
m5.stats.dump()
print(f"tick={m5.curTick()} cause={exit_event.getCause()} code={exit_event.getCode()}")