diff options
| author | Yuval Adam <_@yuv.al> | 2017-08-30 08:25:59 +0000 |
|---|---|---|
| committer | Yuval Adam <_@yuv.al> | 2017-08-30 08:25:59 +0000 |
| commit | 8e4bff4cab0ddac6060645b0715210484d02ff40 (patch) | |
| tree | 3a5c3024371a04692a3a6d9974d001cdff8ebf84 /arch/arm64/include/asm/traps.h | |
Diffstat (limited to 'arch/arm64/include/asm/traps.h')
| -rw-r--r-- | arch/arm64/include/asm/traps.h | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/arch/arm64/include/asm/traps.h b/arch/arm64/include/asm/traps.h new file mode 100644 index 00000000..75f51ead --- /dev/null +++ b/arch/arm64/include/asm/traps.h @@ -0,0 +1,43 @@ +/* + * Based on arch/arm/include/asm/traps.h + * + * Copyright (C) 2012 ARM Ltd. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * This program 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 General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ +#ifndef __ASM_TRAP_H +#define __ASM_TRAP_H + +#include <linux/list.h> + +struct undef_hook { + struct list_head node; + u32 instr_mask; + u32 instr_val; + u32 pstate_mask; + u32 pstate_val; + int (*fn)(struct pt_regs *regs, unsigned int instr); +}; + +void register_undef_hook(struct undef_hook *hook); + +static inline int in_exception_text(unsigned long ptr) +{ + extern char __exception_text_start[]; + extern char __exception_text_end[]; + + return ptr >= (unsigned long)&__exception_text_start && + ptr < (unsigned long)&__exception_text_end; +} + +#endif |
