kernel/src/qemu.rs at main · lewis.moe/lancer

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lancer / kernel / src / qemu.rs

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lewis.moe Latest 4w ago

4952bbae

 1#[derive(Debug, Clone, Copy)]
 2#[repr(u32)]
 3pub enum ExitCode {
 4    Success = 0x10,
 5    Failure = 0x11,
 6}
 7
 8pub fn exit(code: ExitCode) -> ! {
 9    unsafe {
10        x86_64::instructions::port::Port::<u32>::new(0x501).write(code as u32);
11    }
12    loop {
13        x86_64::instructions::hlt();
14    }
15}