mdk-stage1/dietlibc/include/sys/io.h


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#ifndef _IO_H
#define _IO_H

int ioperm(unsigned long from, unsigned long num, int turn_on) __THROW;

#ifdef __i386__

static __inline void
outb (unsigned char value, unsigned short int port)
{
  __asm__ __volatile__ ("outb %b0,%w1": :"a" (value), "Nd" (port));
}

static __inline unsigned char
inb (unsigned short int port)
{
  unsigned char _v;

  __asm__ __volatile__ ("inb %w1,%0":"=a" (_v):"Nd" (port));
  return _v;
}

static __inline unsigned short int
inw (unsigned short int port)
{
  unsigned short _v;

  __asm__ __volatile__ ("inw %w1,%0":"=a" (_v):"Nd" (port));
  return _v;
}

static __inline void
outw (unsigned short int value, unsigned short int port)
{
  __asm__ __volatile__ ("outw %w0,%w1": :"a" (value), "Nd" (port));

}

#endif

#endif