LXR linux/arch/xtensa/platform-iss/io.c

   1/* This file isn't really needed right now. */
   2
   3#if 0
   4
   5#include <asm/io.h>
   6#include <xtensa/simcall.h>
   7
   8extern int __simc ();
   9
  10
  11char iss_serial_getc()
  12{
  13  char c;
  14  __simc( SYS_read, 0, &c, 1 );
  15  return c;
  16}
  17
  18void iss_serial_putc( char c )
  19{
  20  __simc( SYS_write, 1, &c, 1 );
  21}
  22
  23void iss_serial_puts( char *s )
  24{
  25  if( s != 0 && *s != 0 )
  26    __simc( SYS_write, 1, s, strlen(s) );
  27}
  28
  29/*#error Need I/O ports to specific hardware!*/
  30
  31#endif
  32
  33