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use x86_64::instructions::port::PortWriteOnly;

/// Shutdown the whole system (in QEMU), including all CPUs.
///
/// See <https://wiki.osdev.org/Shutdown> for more information.
pub fn terminate() -> ! {
    info!("Shutting down...");
    unsafe { PortWriteOnly::new(0x604).write(0x2000u16) };
    crate::arch::halt();
    warn!("It should shutdown!");
    loop {
        crate::arch::halt();
    }
}