main.rs

#![no_std]
#![no_main]

#[panic_handler]
fn panic(_info: &core::panic::PanicInfo) -> ! {
    loop {}
}

fn color(fb: &blueloader_info::Framebuffer, c: (u8, u8, u8)) -> u32 {
    use bitintr::Pdep;
    let enc = (c.0 as u32).pdep(fb.masks[0])
        | (c.1 as u32).pdep(fb.masks[1])
        | (c.2 as u32).pdep(fb.masks[2]);
    enc
}

blueloader_info::entry_point!(kmain);
fn kmain(info: blueloader_info::BootInfo) -> ! {
    let mem = info.framebuffer.as_slice();
    for i in 0..mem.len() {
        mem[i] = color(&info.framebuffer, (0, 0, 255));
    }
    loop {
        x86_64::instructions::hlt();
    }
}