examples/api/libgenwrap.c

   1 /*
   2  * (C) Copyright 2007 Semihalf
   3  *
   4  * Written by: Rafal Jaworowski <raj@semihalf.com>
   5  *
   6  * See file CREDITS for list of people who contributed to this
   7  * project.
   8  *
   9  * This program is free software; you can redistribute it and/or
  10  * modify it under the terms of the GNU General Public License as
  11  * published by the Free Software Foundation; either version 2 of
  12  * the License, or (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this program; if not, write to the Free Software
  21  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  22  * MA 02111-1307 USA
  23  *
  24  *
  25  * This is is a set of wrappers/stubs that allow to use certain routines from
  26  * U-Boot's lib in the standalone app. This way way we can re-use
  27  * existing code e.g. operations on strings and similar.
  28  *
  29  */
  30
  31 #include <common.h>
  32 #include <linux/types.h>
  33 #include <api_public.h>
  34
  35 #include "glue.h"
  36
  37 /*
  38  * printf() and vprintf() are stolen from u-boot/common/console.c
  39  */
  40 int printf (const char *fmt, ...)
  41 {
  42         va_list args;
  43         uint i;
  44         char printbuffer[256];
  45
  46         va_start (args, fmt);
  47
  48         /* For this to work, printbuffer must be larger than
  49          * anything we ever want to print.
  50          */
  51         i = vsprintf (printbuffer, fmt, args);
  52         va_end (args);
  53
  54         /* Print the string */
  55         ub_puts (printbuffer);
  56         return i;
  57 }
  58
  59 int vprintf (const char *fmt, va_list args)
  60 {
  61         uint i;
  62         char printbuffer[256];
  63
  64         /* For this to work, printbuffer must be larger than
  65          * anything we ever want to print.
  66          */
  67         i = vsprintf (printbuffer, fmt, args);
  68
  69         /* Print the string */
  70         ub_puts (printbuffer);
  71         return i;
  72 }
  73
  74 void putc (const char c)
  75 {
  76         ub_putc(c);
  77 }
  78
  79 void __udelay(unsigned long usec)
  80 {
  81         ub_udelay(usec);
  82 }
  83
  84 int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
  85 {
  86         ub_reset();
  87         return 0;
  88 }
  89
  90 void *malloc (size_t len)
  91 {
  92         return NULL;
  93 }
  94
  95 void hang (void)
  96 {
  97         while (1) ;
  98 }