#include <stdint.h>

static inline uint8_t inb(uint16_t port) {
	uint8_t ret;
	__asm__ volatile ("inb %1, %0" : "=a"(ret) : "Nd"(port));
	return ret;
}

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

static inline uint16_t inw(uint16_t port) {
	uint16_t ret;
	__asm__ volatile ("inw %1, %0" : "=a"(ret) : "Nd"(port));
	return ret;
}

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

static inline uint32_t inl(uint16_t port) {
	uint32_t ret;
	__asm__ volatile ("inl %1, %0" : "=a"(ret) : "Nd"(port));
	return ret;
}

static inline void outl(uint16_t port, uint32_t val) {
	__asm__ volatile ("outl %0, %1" : : "a"(val), "Nd"(port));
}

static inline void io_wait(void) {
	outb(0x80, 0);
}

static inline void int_enable(void) {
	__asm__ volatile ("sti");
}

static inline void int_disable(void) {
	__asm__ volatile ("cli");
}

static inline void int_wait(void) {
	__asm__ volatile ("sti; hlt");
}

static inline void halt(void) {
	__asm__ volatile ("cli; hlt");
}