src/main.rs


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#![no_std]
#![no_main]

extern crate bootloader_precompiled;

use core::panic::PanicInfo;

/// This function is called on panic.
#[panic_handler]
#[no_mangle]
pub fn panic(_info: &PanicInfo) -> ! {
    loop {}
}

static TEXT: &[u8] = b"Hello Marius! I do cool operating system development stuff look at meeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee!";

#[no_mangle]
pub extern "C" fn _start() -> ! {
    let vga_buffer = 0xb8000 as *mut u8;

    for (i, &byte) in TEXT.iter().enumerate() {
        unsafe {
            *vga_buffer.offset(i as isize * 2) = byte;
            *vga_buffer.offset(i as isize * 2 + 1) = 0x6;
        }
    }

    loop {}
}