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b6a71ef7 JL |
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 | |
779fc6ad | 10 | * version 2.1 of the License, or (at your option) any later version. |
b6a71ef7 JL |
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 | ||
ed2decc6 | 21 | #include "qemu/osdep.h" |
b6a71ef7 | 22 | #include "cpu.h" |
63c91552 | 23 | #include "exec/exec-all.h" |
2ef6175a | 24 | #include "exec/helper-proto.h" |
b6a71ef7 JL |
25 | |
26 | void HELPER(rfe)(CPUOpenRISCState *env) | |
27 | { | |
b9bed1b9 RH |
28 | env->pc = env->epcr; |
29 | env->lock_addr = -1; | |
30 | cpu_set_sr(env, env->esr); | |
b6a71ef7 | 31 | } |