root/include/asm-m68k/io.h

/* */

INCLUDED FROM

DEFINITIONS

1. get_user_byte_io
2. put_user_byte_io

   1 #ifndef _M68K_IO_H
   2 #define _M68K_IO_H
   3 
   4 static inline unsigned char get_user_byte_io(const char * addr)
     /*  */
   5 {
   6         register unsigned char _v;
   7 
   8         __asm__ __volatile__ ("moveb %1,%0":"=r" (_v):"m" (*addr));
   9         return _v;
  10 }
  11 #define inb_p(addr) get_user_byte_io((char *)(addr))
  12 #define inb(addr) get_user_byte_io((char *)(addr))
  13 
  14 static inline void put_user_byte_io(char val,char *addr)
     /*  */
  15 {
  16         __asm__ __volatile__ ("moveb %0,%1"
  17                               : /* no outputs */
  18                               :"r" (val),"m" (*addr)
  19                               : "memory");
  20 }
  21 #define outb_p(x,addr) put_user_byte_io((x),(char *)(addr))
  22 #define outb(x,addr) put_user_byte_io((x),(char *)(addr))
  23 
  24 #endif /* _M68K_IO_H */

/* */