rCore/src/lib.rs

#![feature(lang_items)]
#![feature(const_fn)]
#![feature(const_unique_new)]
#![feature(unique)]
#![no_std]

extern crate rlibc;
extern crate volatile;
extern crate spin;

mod vga_buffer;

#[no_mangle]
pub extern fn rust_main() {
    // ATTENTION: we have a very small stack and no guard page

    use core::fmt::Write;

    vga_buffer::WRITER.lock().write_str("Hello again");
    write!(vga_buffer::WRITER.lock(), ", some numbers: {} {}", 42, 1.337);

    loop{}
}

#[lang = "eh_personality"] extern fn eh_personality() {}
#[lang = "panic_fmt"] #[no_mangle] pub extern fn panic_fmt() -> ! {loop{}}