xref: /openbmc/u-boot/lib/hang.c (revision b9553986)
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 
13 /**
14  * hang - stop processing by staying in an endless loop
15  *
16  * The purpose of this function is to stop further execution of code cause
17  * something went completely wrong.  To catch this and give some feedback to
18  * the user one needs to catch the bootstage_error (see show_boot_progress())
19  * in the board code.
20  */
21 void hang(void)
22 {
23 #if !defined(CONFIG_SPL_BUILD) || \
24 		(CONFIG_IS_ENABLED(LIBCOMMON_SUPPORT) && \
25 		 CONFIG_IS_ENABLED(SERIAL_SUPPORT))
26 	puts("### ERROR ### Please RESET the board ###\n");
27 #endif
28 	bootstage_error(BOOTSTAGE_ID_NEED_RESET);
29 	for (;;)
30 		;
31 }
32