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 MMU helper routines
*
* Copyright (c) 2011-2012 Jia Liu <proljc@gmail.com>
* Zhizhou Zhang <etouzh@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 "cpu.h"
#include "exec/cpu_ldst.h"
#ifndef CONFIG_USER_ONLY
void tlb_fill(CPUState *cs, target_ulong addr, int is_write,
int mmu_idx, uintptr_t retaddr)
{
int ret;
ret = openrisc_cpu_handle_mmu_fault(cs, addr, is_write, mmu_idx);
if (ret) {
if (retaddr) {
/* now we have a real cpu fault. */
cpu_restore_state(cs, retaddr);
}
/* Raise Exception. */
cpu_loop_exit(cs);
}
}
#endif
|
