orion/src/libk/asm.c

#include <asm.h>

inline void outb(uint16_t port, uint8_t val) {
    __asm__ volatile ("outb %0, %1" : : "a"(val), "Nd"(port));
}

inline int inb(int port) {
    uint8_t ret;
    __asm__ volatile ( "inb %1, %0"
                   : "=a"(ret)
                   : "Nd"(port) );
    return ret;
}