17 lines
308 B
C

#ifndef IO_H
#define IO_H
#include <stdint.h>
static inline void outb(uint16_t port, uint8_t val) {
asm volatile ("outb %0, %1" : : "a"(val), "Nd"(port));
}
static inline uint8_t inb(uint16_t port) {
uint8_t ret;
asm volatile ("inb %1, %0" : "=a"(ret) : "Nd"(port));
return ret;
}
#endif