lib/hang.c

   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 }