summaryrefslogtreecommitdiff
path: root/arch/arm64/include/asm/exception.h
blob: b87c6e276ab194e4d80cf85150c844c94ee2d5b5 (plain)
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
43
44
45
46
47
48
49
50
51
52
53
/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * Based on arch/arm/include/asm/exception.h
 *
 * Copyright (C) 2012 ARM Ltd.
 */
#ifndef __ASM_EXCEPTION_H
#define __ASM_EXCEPTION_H

#include <asm/esr.h>
#include <asm/kprobes.h>
#include <asm/ptrace.h>

#include <linux/interrupt.h>

#ifdef CONFIG_FUNCTION_GRAPH_TRACER
#define __exception_irq_entry	__irq_entry
#else
#define __exception_irq_entry	__kprobes
#endif

static inline u32 disr_to_esr(u64 disr)
{
	unsigned int esr = ESR_ELx_EC_SERROR << ESR_ELx_EC_SHIFT;

	if ((disr & DISR_EL1_IDS) == 0)
		esr |= (disr & DISR_EL1_ESR_MASK);
	else
		esr |= (disr & ESR_ELx_ISS_MASK);

	return esr;
}

asmlinkage void enter_from_user_mode(void);
void do_mem_abort(unsigned long addr, unsigned int esr, struct pt_regs *regs);
void do_sp_pc_abort(unsigned long addr, unsigned int esr, struct pt_regs *regs);
void do_undefinstr(struct pt_regs *regs);
asmlinkage void bad_mode(struct pt_regs *regs, int reason, unsigned int esr);
void do_debug_exception(unsigned long addr_if_watchpoint, unsigned int esr,
			struct pt_regs *regs);
void do_fpsimd_acc(unsigned int esr, struct pt_regs *regs);
void do_sve_acc(unsigned int esr, struct pt_regs *regs);
void do_fpsimd_exc(unsigned int esr, struct pt_regs *regs);
void do_sysinstr(unsigned int esr, struct pt_regs *regs);
void do_sp_pc_abort(unsigned long addr, unsigned int esr, struct pt_regs *regs);
void bad_el0_sync(struct pt_regs *regs, int reason, unsigned int esr);
void do_cp15instr(unsigned int esr, struct pt_regs *regs);
void do_el0_svc(struct pt_regs *regs);
void do_el0_svc_compat(struct pt_regs *regs);
void do_el0_ia_bp_hardening(unsigned long addr,  unsigned int esr,
			    struct pt_regs *regs);

#endif	/* __ASM_EXCEPTION_H */