// register for address of syscall handler
const MSR_STAR: usize = 0xC0000081;


pub fn init() {
    asm!("\
        xor rax, rax
        mov rdx, 0x230008 // use seg selectors 8, 16 for syscall and 43, 51 for sysret
        wrmsr" :: "{rcx}"(MSR_STAR) : "rax", "rdx" : "intel", "volatile");

}