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 #include <hang.h>
14 #if !defined(CONFIG_PANIC_HANG)
15 #include <command.h>
16 #endif
17 #include <linux/delay.h>
18
19 static void panic_finish(void) __attribute__ ((noreturn));
20
panic_finish(void)21 static void panic_finish(void)
22 {
23 putc('\n');
24 #if defined(CONFIG_PANIC_HANG)
25 hang();
26 #else
27 udelay(100000); /* allow messages to go out */
28 do_reset(NULL, 0, 0, NULL);
29 #endif
30 while (1)
31 ;
32 }
33
panic_str(const char * str)34 void panic_str(const char *str)
35 {
36 puts(str);
37 panic_finish();
38 }
39
panic(const char * fmt,...)40 void panic(const char *fmt, ...)
41 {
42 #if CONFIG_IS_ENABLED(PRINTF)
43 va_list args;
44 va_start(args, fmt);
45 vprintf(fmt, args);
46 va_end(args);
47 #endif
48 panic_finish();
49 }
50
__assert_fail(const char * assertion,const char * file,unsigned int line,const char * function)51 void __assert_fail(const char *assertion, const char *file, unsigned int line,
52 const char *function)
53 {
54 /* This will not return */
55 panic("%s:%u: %s: Assertion `%s' failed.", file, line, function,
56 assertion);
57 }
58