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1d7d4034 JL |
1 | /* |
2 | * OpenRISC exception helper routines | |
3 | * | |
4 | * Copyright (c) 2011-2012 Jia Liu <proljc@gmail.com> | |
5 | * | |
6 | * This library is free software; you can redistribute it and/or | |
7 | * modify it under the terms of the GNU Lesser General Public | |
8 | * License as published by the Free Software Foundation; either | |
9 | * version 2 of the License, or (at your option) any later version. | |
10 | * | |
11 | * This library is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
14 | * Lesser General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU Lesser General Public | |
17 | * License along with this library; if not, see <http://www.gnu.org/licenses/>. | |
18 | */ | |
19 | ||
ed2decc6 | 20 | #include "qemu/osdep.h" |
1d7d4034 | 21 | #include "cpu.h" |
2ef6175a | 22 | #include "exec/helper-proto.h" |
9ecaa27e | 23 | #include "exec/exec-all.h" |
1d7d4034 JL |
24 | #include "exception.h" |
25 | ||
26 | void HELPER(exception)(CPUOpenRISCState *env, uint32_t excp) | |
27 | { | |
dd51dc52 | 28 | OpenRISCCPU *cpu = openrisc_env_get_cpu(env); |
1d7d4034 JL |
29 | |
30 | raise_exception(cpu, excp); | |
31 | } | |
9ecaa27e RH |
32 | |
33 | void HELPER(ove)(CPUOpenRISCState *env, target_ulong test) | |
34 | { | |
0c53d734 | 35 | if (unlikely(test)) { |
9ecaa27e RH |
36 | OpenRISCCPU *cpu = openrisc_env_get_cpu(env); |
37 | CPUState *cs = CPU(cpu); | |
38 | ||
39 | cs->exception_index = EXCP_RANGE; | |
40 | cpu_loop_exit_restore(cs, GETPC()); | |
41 | } | |
42 | } |