1 /*
2 * linux/lib/vsprintf.c
3 *
4 * Copyright (C) 1991, 1992 Linus Torvalds
5 */
6
7 /* vsprintf.c -- Lars Wirzenius & Linus Torvalds. */
8 /*
9 * Wirzenius wrote this portably, Torvalds fucked it up :-)
10 */
11
12 #include <common.h>
13 #if !defined(CONFIG_PANIC_HANG)
14 #include <command.h>
15 #endif
16
17 static void panic_finish(void) __attribute__ ((noreturn));
18
panic_finish(void)19 static void panic_finish(void)
20 {
21 putc('\n');
22 #if defined(CONFIG_PANIC_HANG)
23 hang();
24 #else
25 udelay(100000); /* allow messages to go out */
26 do_reset(NULL, 0, 0, NULL);
27 #endif
28 while (1)
29 ;
30 }
31
panic_str(const char * str)32 void panic_str(const char *str)
33 {
34 puts(str);
35 panic_finish();
36 }
37
panic(const char * fmt,...)38 void panic(const char *fmt, ...)
39 {
40 #if CONFIG_IS_ENABLED(PRINTF)
41 va_list args;
42 va_start(args, fmt);
43 vprintf(fmt, args);
44 va_end(args);
45 #endif
46 panic_finish();
47 }
48
__assert_fail(const char * assertion,const char * file,unsigned int line,const char * function)49 void __assert_fail(const char *assertion, const char *file, unsigned int line,
50 const char *function)
51 {
52 /* This will not return */
53 panic("%s:%u: %s: Assertion `%s' failed.", file, line, function,
54 assertion);
55 }
56