Add init file to enable all interrupt priorities at boot.

git-svn-id: https://src.develer.com/svnoss/bertos/trunk@4845 38d2e660-2303-0410-9eaa-f027e97ec537

diff --git a/bertos/cpu/avr/hw/init_xmega.c b/bertos/cpu/avr/hw/init_xmega.c
new file mode 100644 (file)
index 0000000..d032de3
--- /dev/null
+++ b/bertos/cpu/avr/hw/init_xmega.c
@@ -0,0 +1,49 @@
+/**
+ * \file
+ * <!--
+ * This file is part of BeRTOS.
+ *
+ * Bertos 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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * As a special exception, you may use this file as part of a free software
+ * library without restriction.  Specifically, if other files instantiate
+ * templates or use macros or inline functions from this file, or you compile
+ * this file and link it with other files to produce an executable, this
+ * file does not by itself cause the resulting executable to be covered by
+ * the GNU General Public License.  This exception does not however
+ * invalidate any other reasons why the executable file might be covered by
+ * the GNU General Public License.
+ *
+ * Copyright 2011 Develer S.r.l. (http://www.develer.com/)
+ *
+ * -->
+ *
+ *
+ * \author Luca Ottaviano <lottaviano@develer.com>
+ *
+ * \brief AVR XMega initialization routine.
+ */
+#include <cfg/macros.h>
+#include <avr/io.h>
+
+void __init(void) NAKED __attribute__ ((section (".init3")));
+
+/*
+ * Initialize all interrupt priorities present in AVR XMega CPU.
+ */
+void __init(void)
+{
+       PMIC.CTRL |= PMIC_LOLVLEX_bm | PMIC_MEDLVLEX_bm | PMIC_HILVLEX_bm;
+}