blob: abb03b4c97a8e6c5a1b3d5347522b601933f15e3 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
|
#ifndef _NRVN_H_
#define _NRVN_H_
#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>
static inline void outb(uint16_t port, uint8_t val) {
asm volatile ("outb %0, %1" : : "a"(val), "Nd"(port) : "memory");
}
static inline uint8_t inb(uint16_t port) {
uint8_t ret;
asm volatile ("inb %1, %0" : "=a"(ret) : "Nd"(port) : "memory");
return ret;
}
static inline void io_wait(void) {
outb(0x80, 0);
}
#endif
|
