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#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 void outl(uint32_t port, uint32_t val) {
__asm__ volatile ("outl %0, %1" : : "a"(val), "Nd"(port) : "memory");
}
static inline void outw(uint16_t port, uint16_t val) {
__asm__ volatile ("outw %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 uint32_t inl(uint16_t port) {
uint32_t ret;
__asm__ volatile ("inl %1, %0" : "=a"(ret) : "Nd"(port) : "memory");
return ret;
}
static inline void io_wait(void) {
outb(0x80, 0);
}
#endif
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