ioports.h

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/*
 *                               POK header
 * 
 * The following file is a part of the POK project. Any modification should
 * made according to the POK licence. You CANNOT use this file or a part of
 * this file is this part of a file for your own project
 *
 * For more information on the POK licence, please see our LICENCE FILE
 *
 * Please follow the coding guidelines described in doc/CODING_GUIDELINES
 *
 *                                      Copyright (c) 2007-2009 POK team 
 *
 * Created by julien on Thu Jan 15 23:34:13 2009 
 */


#ifndef __POK_IOPORTS_H__
#define __POK_IOPORTS_H__

# include <core/syscall.h>

#define outb(port, data)                                        \
  asm volatile ("outb %b0,%w1"                                  \
                :                                               \
                :"a" (data),"d" (port))

#define inb(port)                                               \
({                                                              \
  unsigned char res;                                            \
  asm volatile ("inb %w1,%0"                                    \
                :"=a" (res)                                     \
                :"d" (port));                                   \
  res;                                                          \
})

#define outl(port, data)                                        \
  asm volatile ("outl %0,%w1"                                   \
                :                                               \
                :"a" (data),"d" (port))

#define inl(port)                                               \
({                                                              \
  unsigned int res;                                             \
  asm volatile ("inl %w1,%0"                                    \
                :"=a" (res)                                     \
                :"d" (port));                                   \
  res;                                                          \
})

#endif /* __POK_IOPORTS_H__ */