1 | /* |
2 | * Altera Nios II helper routines. |
3 | * |
4 | * Copyright (C) 2012 Chris Wulff <crwulff@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 2.1 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 |
18 | * <http://www.gnu.org/licenses/lgpl-2.1.html> |
19 | */ |
20 | |
21 | #include "qemu/osdep.h" |
22 | #include "cpu.h" |
23 | #include "exec/helper-proto.h" |
24 | #include "exec/cpu_ldst.h" |
25 | #include "exec/exec-all.h" |
26 | #include "qemu/main-loop.h" |
27 | |
28 | #if !defined(CONFIG_USER_ONLY) |
29 | void helper_mmu_read_debug(CPUNios2State *env, uint32_t rn) |
30 | { |
31 | mmu_read_debug(env, rn); |
32 | } |
33 | |
34 | void helper_mmu_write(CPUNios2State *env, uint32_t rn, uint32_t v) |
35 | { |
36 | mmu_write(env, rn, v); |
37 | } |
38 | |
39 | void helper_check_interrupts(CPUNios2State *env) |
40 | { |
41 | qemu_mutex_lock_iothread(); |
42 | nios2_check_interrupts(env); |
43 | qemu_mutex_unlock_iothread(); |
44 | } |
45 | #endif /* !CONFIG_USER_ONLY */ |
46 | |
47 | void helper_raise_exception(CPUNios2State *env, uint32_t index) |
48 | { |
49 | CPUState *cs = env_cpu(env); |
50 | cs->exception_index = index; |
51 | cpu_loop_exit(cs); |
52 | } |
53 | |