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use x86_64::instructions::port::Port; #[derive(Debug, Clone, Copy, PartialEq, Eq)] #[repr(u32)] pub enum ExitCode { Success = 0x10, Failed = 0x11, } pub fn exit(exit_code: ExitCode) { unsafe { let mut port = Port::new(0xf4); port.write(exit_code as u32); } }