1 /*
2  * OpenRISC interrupt helper routines
3  *
4  * Copyright (c) 2011-2012 Jia Liu <proljc@gmail.com>
5  *                         Feng Gao <gf91597@gmail.com>
6  *
7  * This library is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU Lesser General Public
9  * License as published by the Free Software Foundation; either
10  * version 2 of the License, or (at your option) any later version.
11  *
12  * This library is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
15  * Lesser General Public License for more details.
16  *
17  * You should have received a copy of the GNU Lesser General Public
18  * License along with this library; if not, see <http://www.gnu.org/licenses/>.
19  */
20 
21 #include "qemu/osdep.h"
22 #include "cpu.h"
23 #include "exec/exec-all.h"
24 #include "exec/helper-proto.h"
25 
26 void HELPER(rfe)(CPUOpenRISCState *env)
27 {
28     env->pc = env->epcr;
29     env->lock_addr = -1;
30     cpu_set_sr(env, env->esr);
31 }
32