blob: 7e54c978bee7542fa713dbb12d719b1831fb968a (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
|
/*
* OpenRISC exception helper routines
*
* Copyright (c) 2011-2012 Jia Liu <proljc@gmail.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, see <http://www.gnu.org/licenses/>.
*/
#include "qemu/osdep.h"
#include "cpu.h"
#include "exec/helper-proto.h"
#include "exec/exec-all.h"
#include "exception.h"
void HELPER(exception)(CPUOpenRISCState *env, uint32_t excp)
{
OpenRISCCPU *cpu = openrisc_env_get_cpu(env);
raise_exception(cpu, excp);
}
void HELPER(ove)(CPUOpenRISCState *env, target_ulong test)
{
if (unlikely(test) && (env->sr & SR_OVE)) {
OpenRISCCPU *cpu = openrisc_env_get_cpu(env);
CPUState *cs = CPU(cpu);
cs->exception_index = EXCP_RANGE;
cpu_loop_exit_restore(cs, GETPC());
}
}
|