1 files changed, 31 insertions, 0 deletions
diff --git a/target/openrisc/interrupt_helper.c b/target/openrisc/interrupt_helper.c
new file mode 100644
index 000000000..ab4ea88b6
--- /dev/null
+++ b/target/openrisc/interrupt_helper.c
@@ -0,0 +1,31 @@
+/*
+ * OpenRISC interrupt helper routines
+ *
+ * Copyright (c) 2011-2012 Jia Liu <proljc@gmail.com>
+ *                         Feng Gao <gf91597@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 2.1 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/>.
+ */
+
+#include "qemu/osdep.h"
+#include "cpu.h"
+#include "exec/exec-all.h"
+#include "exec/helper-proto.h"
+
+void HELPER(rfe)(CPUOpenRISCState *env)
+{
+    env->pc = env->epcr;
+    env->lock_addr = -1;
+    cpu_set_sr(env, env->esr);
+}