xref: /openbmc/u-boot/examples/api/libgenwrap.c (revision fc0db132)
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 void do_reset (void)
85 {
86 	ub_reset();
87 }
88 
89 void *malloc (size_t len)
90 {
91 	return NULL;
92 }
93 
94 void hang (void)
95 {
96 	while (1) ;
97 }
98