use x86::msr::{rdmsr, wrmsr, IA32_EFER};
use x86_64::{instructions, registers::control::{Cr0, Cr0Flags}};



pub fn hcf() -> ! {
    loop {
        instructions::hlt();
        core::hint::spin_loop();
    }
}

pub fn enable_nxe_bit() {

    let nxe_bit = 1 << 11;
    unsafe {
        let efer = rdmsr(IA32_EFER);
        wrmsr(IA32_EFER, efer | nxe_bit);
    }
}
pub fn enable_write_protect_bit() {

    unsafe { Cr0::write(Cr0::read() | Cr0Flags::WRITE_PROTECT) };
}