1/* SPDX-License-Identifier: GPL-2.0-only */
2/*
3 * Based on arch/arm/include/asm/exception.h
4 *
5 * Copyright (C) 2012 ARM Ltd.
6 */
7#ifndef __ASM_EXCEPTION_H
8#define __ASM_EXCEPTION_H
9
10#include <asm/esr.h>
11#include <asm/ptrace.h>
12
13#include <linux/interrupt.h>
14
15#define __exception_irq_entry	__irq_entry
16
17static inline u32 disr_to_esr(u64 disr)
18{
19	unsigned int esr = ESR_ELx_EC_SERROR << ESR_ELx_EC_SHIFT;
20
21	if ((disr & DISR_EL1_IDS) == 0)
22		esr |= (disr & DISR_EL1_ESR_MASK);
23	else
24		esr |= (disr & ESR_ELx_ISS_MASK);
25
26	return esr;
27}
28
29asmlinkage void noinstr enter_el1_irq_or_nmi(struct pt_regs *regs);
30asmlinkage void noinstr exit_el1_irq_or_nmi(struct pt_regs *regs);
31asmlinkage void enter_from_user_mode(void);
32asmlinkage void exit_to_user_mode(void);
33void arm64_enter_nmi(struct pt_regs *regs);
34void arm64_exit_nmi(struct pt_regs *regs);
35void do_mem_abort(unsigned long addr, unsigned int esr, struct pt_regs *regs);
36void do_el0_undef(struct pt_regs *regs, unsigned long esr);
37void do_el1_undef(struct pt_regs *regs, unsigned long esr);
38void do_el0_bti(struct pt_regs *regs);
39void do_el1_bti(struct pt_regs *regs, unsigned long esr);
40asmlinkage void bad_mode(struct pt_regs *regs, int reason, unsigned int esr);
41void do_debug_exception(unsigned long addr_if_watchpoint, unsigned int esr,
42			struct pt_regs *regs);
43void do_fpsimd_acc(unsigned int esr, struct pt_regs *regs);
44void do_sve_acc(unsigned int esr, struct pt_regs *regs);
45void do_fpsimd_exc(unsigned int esr, struct pt_regs *regs);
46void do_el0_sys(unsigned long esr, struct pt_regs *regs);
47void do_sp_pc_abort(unsigned long addr, unsigned int esr, struct pt_regs *regs);
48void bad_el0_sync(struct pt_regs *regs, int reason, unsigned int esr);
49void do_el0_cp15(unsigned long esr, struct pt_regs *regs);
50void do_el0_svc(struct pt_regs *regs);
51void do_el0_svc_compat(struct pt_regs *regs);
52void do_el0_fpac(struct pt_regs *regs, unsigned long esr);
53void do_el1_fpac(struct pt_regs *regs, unsigned long esr);
54#endif	/* __ASM_EXCEPTION_H */
55