Files
OwOS/kernel/kernio.cpp
2019-04-25 08:57:40 +01:00

14 lines
306 B
C++

#include "kernio.h"
inline void outb(uint16_t port, uint8_t b) {
asm("outb %0, %1" : : "a"(b), "Nd"(port));
}
inline uint8_t inb(uint16_t port) {
uint8_t ret;
asm volatile ( "inb %1, %0"
: "=a"(ret) // Output
: "Nd"(port)); // Input
return ret;
}