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
   8 extern int __simc ();
   9
  10
  11 char iss_serial_getc()
  12 {
  13   char c;
  14   __simc( SYS_read, 0, &c, 1 );
  15   return c;
  16 }
  17
  18 void iss_serial_putc( char c )
  19 {
  20   __simc( SYS_write, 1, &c, 1 );
  21 }
  22
  23 void 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