cortex: Add cc_[en|dis]able_interrupts

include/libopencm3/cm3/cortex.h

@@ -0,0 +1,33 @@
+/*
+ * This file is part of the libopencm3 project.
+ *
+ * Copyright (C) 2013 Ben Gamari <bgamari@gmail.com>
+ *
+ * This library is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This library 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 Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this library.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef LIBOPENCM3_CORTEX_H
+#define LIBOPENCM3_CORTEX_H
+
+static inline void cm_enable_interrupts(void)
+{
+        __asm__("CPSIE I\n");
+}
+
+static inline void cm_disable_interrupts(void)
+{
+        __asm__("CPSID I\n");
+}
+
+#endif