// CC BY
// code by SASANO Takayoshi

#include <stdint.h>

static __inline	uint8_t	in_b(uint16_t port)
{
	uint8_t	data;
	__asm volatile("inb %1, %0" : "=a"(data) : "d"(port));
	return data;
}

static __inline	void	out_b(uint16_t port, uint8_t data)
{
	__asm volatile("outb %0, %1" :: "a"(data), "d"(port));
}

static __inline	uint16_t	in_h(uint16_t port)
{
	uint16_t	data;
	__asm volatile("inw %1, %0" : "=a"(data) : "d"(port));
	return data;
}

static __inline	void	out_h(uint16_t port, uint16_t data)
{
	__asm volatile("outw %0, %1" :: "a"(data), "d"(port));
}

static __inline	uint32_t	in_w(uint16_t port)
{
	uint32_t	data;
	__asm volatile("inl %1, %0" : "=a"(data) : "d"(port));
	return data;
}

static __inline	void	out_w(uint16_t port, uint32_t data)
{
	__asm volatile("outl %0, %1" :: "a"(data), "d"(port));
}