kernel/src/lib.rs


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#![no_main]
#![feature(compiler_builtins_lib)]
#![no_std]

extern crate compiler_builtins;

mod vga_text;

use core::fmt::Write;


#[no_mangle]
pub extern "C" fn _start() -> ! {
    let mut stdout = vga_text::OStream::new();
    stdout.clear();

    write!(&mut stdout, "hello world!");

    core::iter::successors(Some(0), |n| Some(n + 1))
        .for_each(|n|
            write!(&mut stdout, "hello world {}!", n).unwrap()
        );

    loop {}
}

#[panic_handler]
#[no_mangle]
pub extern "C" fn panic_handler(_info: &core::panic::PanicInfo) -> ! {
    loop {}
}