u-boot/lib/hang.c

/*
 * (C) Copyright 2013
 * Andreas Bießmann <andreas.devel@googlemail.com>
 *
 * This file consolidates all the different hang() functions implemented in
 * u-boot.
 *
 * See file CREDITS for list of people who contributed to this
 * project.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation; either version 2 of
 * the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 * MA 02111-1307 USA
 */

#include <common.h>
#include <bootstage.h>

/**
 * hang - stop processing by staying in an endless loop
 *
 * The purpose of this function is to stop further execution of code cause
 * something went completely wrong.  To catch this and give some feedback to
 * the user one needs to catch the bootstage_error (see show_boot_progress())
 * in the board code.
 */
void hang(void)
{
#if !defined(CONFIG_SPL_BUILD) || (defined(CONFIG_SPL_LIBCOMMON_SUPPORT) && \
		defined(CONFIG_SPL_SERIAL_SUPPORT))
	puts("### ERROR ### Please RESET the board ###\n");
#endif
	bootstage_error(BOOTSTAGE_ID_NEED_RESET);
	for (;;)
		;
}