use core::{arch::asm, ptr::read_volatile};

#[inline]
pub fn local_irq_save(flags: &mut u64) {
    unsafe {
        asm!("pushfq", "pop rax", "mov rax, {0}", "cli", out(reg)(*flags),);
    }
}

#[inline]
pub fn local_irq_restore(flags: &u64) {
    let x = unsafe { read_volatile(flags) };

    unsafe {
        asm!("push r15",
            "popfq", in("r15")(x));
    }
}