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e67db06e JL |
1 | /* |
2 | * OpenRISC MMU helper routines | |
3 | * | |
4 | * Copyright (c) 2011-2012 Jia Liu <[email protected]> | |
5 | * Zhizhou Zhang <[email protected]> | |
6 | * | |
7 | * This library is free software; you can redistribute it and/or | |
8 | * modify it under the terms of the GNU Lesser General Public | |
9 | * License as published by the Free Software Foundation; either | |
10 | * version 2 of the License, or (at your option) any later version. | |
11 | * | |
12 | * This library is distributed in the hope that it will be useful, | |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
15 | * Lesser General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU Lesser General Public | |
18 | * License along with this library; if not, see <http://www.gnu.org/licenses/>. | |
19 | */ | |
20 | ||
21 | #include "cpu.h" | |
22 | ||
23 | #ifndef CONFIG_USER_ONLY | |
022c62cb | 24 | #include "exec/softmmu_exec.h" |
e67db06e JL |
25 | #define MMUSUFFIX _mmu |
26 | ||
27 | #define SHIFT 0 | |
022c62cb | 28 | #include "exec/softmmu_template.h" |
e67db06e JL |
29 | |
30 | #define SHIFT 1 | |
022c62cb | 31 | #include "exec/softmmu_template.h" |
e67db06e JL |
32 | |
33 | #define SHIFT 2 | |
022c62cb | 34 | #include "exec/softmmu_template.h" |
e67db06e JL |
35 | |
36 | #define SHIFT 3 | |
022c62cb | 37 | #include "exec/softmmu_template.h" |
e67db06e | 38 | |
d5a11fef | 39 | void tlb_fill(CPUState *cs, target_ulong addr, int is_write, |
e67db06e JL |
40 | int mmu_idx, uintptr_t retaddr) |
41 | { | |
726fe045 JL |
42 | int ret; |
43 | ||
d5a11fef | 44 | ret = openrisc_cpu_handle_mmu_fault(cs, addr, is_write, mmu_idx); |
726fe045 JL |
45 | |
46 | if (ret) { | |
d5a11fef AF |
47 | OpenRISCCPU *cpu = OPENRISC_CPU(cs); |
48 | CPUOpenRISCState *env = &cpu->env; | |
49 | ||
726fe045 JL |
50 | if (retaddr) { |
51 | /* now we have a real cpu fault. */ | |
a8a826a3 | 52 | cpu_restore_state(env, retaddr); |
726fe045 JL |
53 | } |
54 | /* Raise Exception. */ | |
5638d180 | 55 | cpu_loop_exit(cs); |
726fe045 | 56 | } |
e67db06e JL |
57 | } |
58 | #endif |