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authorAndreas Bießmann <andreas.devel@googlemail.com>2013-04-18 22:48:50 +0000
committerTom Rini <trini@ti.com>2013-05-01 16:41:08 -0400
commitd2eae43ba803cff75b44a07d08d718ecdecdee94 (patch)
tree204a8f6910b96fe92724b4a03043864f6f0da798 /lib/hang.c
parentb0dac5b1af6a66aeb02eb63e852415367b30b168 (diff)
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lib: consolidate hang()
Delete all occurrences of hang() and provide a generic function. Signed-off-by: Andreas Bießmann <andreas.devel@googlemail.com> Acked-by: Albert ARIBAUD <albert.u.boot@aribaud.net> [trini: Modify check around puts() in hang.c slightly] Signed-off-by: Tom Rini <trini@ti.com>
Diffstat (limited to 'lib/hang.c')
-rw-r--r--lib/hang.c47
1 files changed, 47 insertions, 0 deletions
diff --git a/lib/hang.c b/lib/hang.c
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--- /dev/null
+++ b/lib/hang.c
@@ -0,0 +1,47 @@
+/*
+ * (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 (;;)
+ ;
+}