LXR uboot/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 */
  40int 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
  59int 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
  74void putc (const char c)
  75{
  76        ub_putc(c);
  77}
  78
  79void __udelay(unsigned long usec)
  80{
  81        ub_udelay(usec);
  82}
  83
  84int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
  85{
  86        ub_reset();
  87        return 0;
  88}
  89
  90void *malloc (size_t len)
  91{
  92        return NULL;
  93}
  94
  95void hang (void)
  96{
  97        while (1) ;
  98}
  99