examples/api/libgenwrap.c

   1 /*
   2  * (C) Copyright 2007 Semihalf
   3  *
   4  * Written by: Rafal Jaworowski <raj@semihalf.com>
   5  *
   6  * SPDX-License-Identifier:     GPL-2.0+
   7  *
   8  * This is is a set of wrappers/stubs that allow to use certain routines from
   9  * U-Boot's lib in the standalone app. This way way we can re-use
  10  * existing code e.g. operations on strings and similar.
  11  */
  12
  13 #include <common.h>
  14 #include <linux/types.h>
  15 #include <api_public.h>
  16
  17 #include "glue.h"
  18
  19 /*
  20  * printf() and vprintf() are stolen from u-boot/common/console.c
  21  */
  22 int printf (const char *fmt, ...)
  23 {
  24         va_list args;
  25         uint i;
  26         char printbuffer[256];
  27
  28         va_start (args, fmt);
  29
  30         /* For this to work, printbuffer must be larger than
  31          * anything we ever want to print.
  32          */
  33         i = vsprintf (printbuffer, fmt, args);
  34         va_end (args);
  35
  36         /* Print the string */
  37         ub_puts (printbuffer);
  38         return i;
  39 }
  40
  41 int vprintf (const char *fmt, va_list args)
  42 {
  43         uint i;
  44         char printbuffer[256];
  45
  46         /* For this to work, printbuffer must be larger than
  47          * anything we ever want to print.
  48          */
  49         i = vsprintf (printbuffer, fmt, args);
  50
  51         /* Print the string */
  52         ub_puts (printbuffer);
  53         return i;
  54 }
  55
  56 void putc (const char c)
  57 {
  58         ub_putc(c);
  59 }
  60
  61 void __udelay(unsigned long usec)
  62 {
  63         ub_udelay(usec);
  64 }
  65
  66 int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
  67 {
  68         ub_reset();
  69         return 0;
  70 }
  71
  72 void *malloc (size_t len)
  73 {
  74         return NULL;
  75 }
  76
  77 void hang (void)
  78 {
  79         while (1) ;
  80 }