#ifndef DSK_PORT_H #define DSK_PORT_H static inline void outb(unsigned short port, unsigned char value) { __asm__ volatile ("outb %0, %1" :: "a"(value), "Nd"(port)); } static inline unsigned char inb(unsigned short port) { unsigned char value; __asm__ volatile ("inb %1, %0" : "=a"(value) : "Nd"(port)); return value; } #endif