#![no_std] #![no_main] #[no_mangle] pub extern "C" fn kernel_main() -> ! { let vga_buffer = 0xb8000 as *mut u8; let string: &[u8] = b":3"; for (i, &byte) in string.iter().enumerate() { unsafe { *vga_buffer.offset(i as isize * 2) = byte; *vga_buffer.offset(i as isize * 2 + 1) = 0xf; } } loop {} } #[panic_handler] fn panic(_info: &core::panic::PanicInfo) -> ! { loop {} }