examples/hello_world.c

   1 /*
   2  * (C) Copyright 2000
   3  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
   4  *
   5  * See file CREDITS for list of people who contributed to this
   6  * project.
   7  *
   8  * This program is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU General Public License as
  10  * published by the Free Software Foundation; either version 2 of
  11  * the License, or (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, write to the Free Software
  20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  21  * MA 02111-1307 USA
  22  */
  23
  24 #include <common.h>
  25 #include <exports.h>
  26
  27 int hello_world (int argc, char *argv[])
  28 {
  29         int i;
  30
  31         /* Print the ABI version */
  32         app_startup(argv);
  33         printf ("Example expects ABI version %d\n", XF_VERSION);
  34         printf ("Actual U-Boot ABI version %d\n", (int)get_version());
  35
  36         printf ("Hello World\n");
  37
  38         printf ("argc = %d\n", argc);
  39
  40         for (i=0; i<=argc; ++i) {
  41                 printf ("argv[%d] = \"%s\"\n",
  42                         i,
  43                         argv[i] ? argv[i] : "<NULL>");
  44         }
  45
  46         printf ("Hit any key to exit ... ");
  47         while (!tstc())
  48                 ;
  49         /* consume input */
  50         (void) getc();
  51
  52         printf ("\n\n");
  53         return (0);
  54 }