2 * OpenRISC exception helper routines
4 * Copyright (c) 2011-2012 Jia Liu <proljc@gmail.com>
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 2.1 of the License, or (at your option) any later version.
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.
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/>.
20 #include "qemu/osdep.h"
22 #include "exec/exec-all.h"
23 #include "exec/helper-proto.h"
24 #include "exception.h"
26 void HELPER(exception
)(CPUOpenRISCState
*env
, uint32_t excp
)
28 OpenRISCCPU
*cpu
= env_archcpu(env
);
30 raise_exception(cpu
, excp
);
33 static void QEMU_NORETURN
do_range(CPUOpenRISCState
*env
, uintptr_t pc
)
35 CPUState
*cs
= env_cpu(env
);
37 cs
->exception_index
= EXCP_RANGE
;
38 cpu_loop_exit_restore(cs
, pc
);
41 void HELPER(ove_cy
)(CPUOpenRISCState
*env
)
44 do_range(env
, GETPC());
48 void HELPER(ove_ov
)(CPUOpenRISCState
*env
)
51 do_range(env
, GETPC());
55 void HELPER(ove_cyov
)(CPUOpenRISCState
*env
)
57 if (env
->sr_cy
|| env
->sr_ov
< 0) {
58 do_range(env
, GETPC());