#![cfg(target_arch = "x86_64")]
#![allow(dead_code)]

use core::arch::x86_64::{__cpuid as do_cpuid, CpuidResult};
use core::arch::asm;

fn safe_cpuid(leaf: u32) -> CpuidResult {
    return unsafe { do_cpuid(leaf) };
}

pub fn get_processor_id() -> u32 {
    let cpuid_result = safe_cpuid(1);
    return cpuid_result.ebx >> 24;
}

pub fn halt() -> ! {
    loop { 
        unsafe {
            asm!("cli");
            asm!("hlt");
        }
    }
}

pub fn wait_for_interrupt() -> () {
    unsafe { asm!("hlt"); }
}

pub fn breakpoint() -> () {
    unsafe { asm!("int3"); }
}