1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3  * (C) Copyright 2013
4  * Andreas Bießmann <andreas@biessmann.org>
5  *
6  * This file consolidates all the different hang() functions implemented in
7  * u-boot.
8  */
9 
10 #include <common.h>
11 #include <bootstage.h>
12 #include <hang.h>
13 #include <os.h>
14 
15 /**
16  * hang - stop processing by staying in an endless loop
17  *
18  * The purpose of this function is to stop further execution of code cause
19  * something went completely wrong.  To catch this and give some feedback to
20  * the user one needs to catch the bootstage_error (see show_boot_progress())
21  * in the board code.
22  */
hang(void)23 void hang(void)
24 {
25 #if !defined(CONFIG_SPL_BUILD) || \
26 		(CONFIG_IS_ENABLED(LIBCOMMON_SUPPORT) && \
27 		 CONFIG_IS_ENABLED(SERIAL_SUPPORT))
28 	puts("### ERROR ### Please RESET the board ###\n");
29 #endif
30 	bootstage_error(BOOTSTAGE_ID_NEED_RESET);
31 	if (IS_ENABLED(CONFIG_SANDBOX))
32 		os_exit(1);
33 	for (;;)
34 		;
35 }
36