#pragma once static inline void outb(uint16_t port, uint8_t val) { __asm__ volatile ( "outb %b0, %w1" : : "a"(val), "Nd"(port) : "memory"); } static inline uint8_t inb(uint16_t port) { uint8_t ret; __asm__ volatile ( "inb %w1, %b0" : "=a"(ret) : "Nd"(port) : "memory"); return ret; }