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60ffc30d CM |
1 | /* |
2 | * Based on arch/arm/include/asm/traps.h | |
3 | * | |
4 | * Copyright (C) 2012 ARM Ltd. | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License version 2 as | |
8 | * published by the Free Software Foundation. | |
9 | * | |
10 | * This program is distributed in the hope that it will be useful, | |
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | * GNU General Public License for more details. | |
14 | * | |
15 | * You should have received a copy of the GNU General Public License | |
16 | * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
17 | */ | |
18 | #ifndef __ASM_TRAP_H | |
19 | #define __ASM_TRAP_H | |
20 | ||
6fa3eb70 S |
21 | #include <linux/list.h> |
22 | ||
23 | struct undef_hook { | |
24 | struct list_head node; | |
25 | u32 instr_mask; | |
26 | u32 instr_val; | |
27 | u32 pstate_mask; | |
28 | u32 pstate_val; | |
29 | int (*fn)(struct pt_regs *regs, unsigned int instr); | |
30 | }; | |
31 | ||
32 | void register_undef_hook(struct undef_hook *hook); | |
33 | ||
34 | #ifdef CONFIG_MEDIATEK_SOLUTION | |
35 | struct pt_regs; | |
36 | ||
37 | int register_async_abort_handler(void (*fn)(struct pt_regs *regs, void *), void *priv); | |
38 | #endif | |
39 | ||
60ffc30d CM |
40 | static inline int in_exception_text(unsigned long ptr) |
41 | { | |
42 | extern char __exception_text_start[]; | |
43 | extern char __exception_text_end[]; | |
44 | ||
45 | return ptr >= (unsigned long)&__exception_text_start && | |
46 | ptr < (unsigned long)&__exception_text_end; | |
47 | } | |
48 | ||
49 | #endif |