#![no_std] // don't link the Rust standard library
#![feature(abi_x86_interrupt)]

extern crate bootloader;
extern crate spin;
extern crate volatile;
extern crate lazy_static;
extern crate pic8259_simple;
extern crate uart_16550;
extern crate x86_64;
extern crate pc_keyboard;

#[cfg(test)]
extern crate array_init;
#[cfg(test)]
extern crate std;

#[macro_use]
pub mod vga_buffer;
pub mod gdt;
pub mod interrupts;
pub mod serial;

pub unsafe fn exit_qemu() {
    use x86_64::instructions::port::Port;

    let mut port = Port::<u32>::new(0xf4);
    port.write(0);
}

pub fn hlt_loop() -> ! {
    loop {
        x86_64::instructions::hlt();
    }
}