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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
| commit | ace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch) | |
| tree | b2d64bc10158fdd5497876388cd68142ca374ed3 /arch/arm/include/asm/traps.h | |
| parent | Initial commit. (diff) | |
| download | linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip | |
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/arm/include/asm/traps.h')
| -rw-r--r-- | arch/arm/include/asm/traps.h | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/arch/arm/include/asm/traps.h b/arch/arm/include/asm/traps.h new file mode 100644 index 0000000000..0aaefe3e17 --- /dev/null +++ b/arch/arm/include/asm/traps.h @@ -0,0 +1,47 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _ASMARM_TRAP_H +#define _ASMARM_TRAP_H + +#include <linux/list.h> + +struct pt_regs; +struct task_struct; + +struct undef_hook { + struct list_head node; + u32 instr_mask; + u32 instr_val; + u32 cpsr_mask; + u32 cpsr_val; + int (*fn)(struct pt_regs *regs, unsigned int instr); +}; + +void register_undef_hook(struct undef_hook *hook); +void unregister_undef_hook(struct undef_hook *hook); + +static inline int __in_irqentry_text(unsigned long ptr) +{ + extern char __irqentry_text_start[]; + extern char __irqentry_text_end[]; + + return ptr >= (unsigned long)&__irqentry_text_start && + ptr < (unsigned long)&__irqentry_text_end; +} + +extern void __init early_trap_init(void *); +extern void dump_backtrace_entry(unsigned long where, unsigned long from, + unsigned long frame, const char *loglvl); +extern void ptrace_break(struct pt_regs *regs); + +extern void *vectors_page; + +asmlinkage void dump_backtrace_stm(u32 *stack, u32 instruction, const char *loglvl); +asmlinkage void do_undefinstr(struct pt_regs *regs); +asmlinkage void handle_fiq_as_nmi(struct pt_regs *regs); +asmlinkage void bad_mode(struct pt_regs *regs, int reason); +asmlinkage int arm_syscall(int no, struct pt_regs *regs); +asmlinkage void baddataabort(int code, unsigned long instr, struct pt_regs *regs); +asmlinkage void __div0(void); +asmlinkage void handle_bad_stack(struct pt_regs *regs); + +#endif |