arch/powerpc/xmon/start.c

   1 /*
   2  * Copyright (C) 1996 Paul Mackerras.
   3  *
   4  *      This program is free software; you can redistribute it and/or
   5  *      modify it under the terms of the GNU General Public License
   6  *      as published by the Free Software Foundation; either version
   7  *      2 of the License, or (at your option) any later version.
   8  */
   9 #include <asm/machdep.h>
  10 #include <asm/udbg.h>
  11 #include "nonstdio.h"
  12
  13 void xmon_map_scc(void)
  14 {
  15 }
  16
  17 int xmon_write(void *ptr, int nb)
  18 {
  19         return udbg_write(ptr, nb);
  20 }
  21
  22 int xmon_readchar(void)
  23 {
  24         if (udbg_getc)
  25                 return udbg_getc();
  26         return -1;
  27 }
  28
  29 int xmon_read_poll(void)
  30 {
  31         if (udbg_getc_poll)
  32                 return udbg_getc_poll();
  33         return -1;
  34 }