#ifndef MINIOS_X86_H
#define MINIOS_X86_H

#include "type.h"

static inline u8
inb(int port)
{
	u8 data;
	asm volatile("inb %w1,%0" : "=a" (data) : "d" (port));
	return data;
}

static inline void
insb(int port, void *addr, int cnt)
{
	asm volatile("cld\n\trepne\n\tinsb"
		     : "=D" (addr), "=c" (cnt)
		     : "d" (port), "0" (addr), "1" (cnt)
		     : "memory", "cc");
}

static inline u16
inw(int port)
{
	u16 data;
	asm volatile("inw %w1,%0" : "=a" (data) : "d" (port));
	return data;
}

static inline void
insw(int port, void *addr, int cnt)
{
	asm volatile("cld\n\trepne\n\tinsw"
		     : "=D" (addr), "=c" (cnt)
		     : "d" (port), "0" (addr), "1" (cnt)
		     : "memory", "cc");
}

static inline u32
inl(int port)
{
	u32 data;
	asm volatile("inl %w1,%0" : "=a" (data) : "d" (port));
	return data;
}

static inline void
insl(int port, void *addr, int cnt)
{
	asm volatile("cld\n\trepne\n\tinsl"
		     : "=D" (addr), "=c" (cnt)
		     : "d" (port), "0" (addr), "1" (cnt)
		     : "memory", "cc");
}

static inline void
outb(int port, u8 data)
{
	asm volatile("outb %0,%w1" : : "a" (data), "d" (port));
}

static inline void
outsb(int port, const void *addr, int cnt)
{
	asm volatile("cld\n\trepne\n\toutsb"
		     : "=S" (addr), "=c" (cnt)
		     : "d" (port), "0" (addr), "1" (cnt)
		     : "cc");
}

static inline void
outw(int port, u16 data)
{
	asm volatile("outw %0,%w1" : : "a" (data), "d" (port));
}

static inline void
outsw(int port, const void *addr, int cnt)
{
	asm volatile("cld\n\trepne\n\toutsw"
		     : "=S" (addr), "=c" (cnt)
		     : "d" (port), "0" (addr), "1" (cnt)
		     : "cc");
}

static inline void
outsl(int port, const void *addr, int cnt)
{
	asm volatile("cld\n\trepne\n\toutsl"
		     : "=S" (addr), "=c" (cnt)
		     : "d" (port), "0" (addr), "1" (cnt)
		     : "cc");
}

static inline void
outl(int port, u32 data)
{
	asm volatile("outl %0,%w1" : : "a" (data), "d" (port));
}

static inline void
disable_int()
{
	asm volatile("cli");
}

static inline void
enable_int()
{
	asm volatile("sti");
}

#endif