u-boot/lib/hang.c

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/*
* (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 (;;)
;
}