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 2.1 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 | |