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/**
* @file bindings.h
* @author Freya Murphy <freya@freyacat.org>
*
* C-style function definitions binded to their named assembly instruction.
*/
#ifndef _BINDINGS_H
#define _BINDINGS_H
#include <types.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 sti(void)
{
__asm__ volatile("sti");
}
static inline void cli(void)
{
__asm__ volatile("cli");
}
static inline void int_wait(void)
{
__asm__ volatile("sti; hlt");
}
static inline void halt(void)
{
__asm__ volatile("cli; hlt");
}
#endif /* bindings.h */
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