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Thomas Gleixnercaab2772019-06-03 07:44:50 +02001/* SPDX-License-Identifier: GPL-2.0-only */
Catalin Marinas10b663a2012-03-05 11:49:34 +00002/*
3 * Based on arch/arm/include/asm/exception.h
4 *
5 * Copyright (C) 2012 ARM Ltd.
Catalin Marinas10b663a2012-03-05 11:49:34 +00006 */
7#ifndef __ASM_EXCEPTION_H
8#define __ASM_EXCEPTION_H
9
James Morse68ddbf02018-01-15 19:38:59 +000010#include <asm/esr.h>
James Morseb6e43c02019-10-25 17:42:10 +010011#include <asm/kprobes.h>
James Morsee540e0a2019-10-25 17:42:11 +010012#include <asm/ptrace.h>
James Morse68ddbf02018-01-15 19:38:59 +000013
Alexander Potapenkobe7635e2016-03-25 14:22:05 -070014#include <linux/interrupt.h>
Jungseok Lee9a5ad7d2015-08-12 15:16:19 +010015
Jungseok Lee9a5ad7d2015-08-12 15:16:19 +010016#ifdef CONFIG_FUNCTION_GRAPH_TRACER
17#define __exception_irq_entry __irq_entry
18#else
James Morseb6e43c02019-10-25 17:42:10 +010019#define __exception_irq_entry __kprobes
Jungseok Lee9a5ad7d2015-08-12 15:16:19 +010020#endif
Catalin Marinas10b663a2012-03-05 11:49:34 +000021
James Morse68ddbf02018-01-15 19:38:59 +000022static inline u32 disr_to_esr(u64 disr)
23{
24 unsigned int esr = ESR_ELx_EC_SERROR << ESR_ELx_EC_SHIFT;
25
26 if ((disr & DISR_EL1_IDS) == 0)
27 esr |= (disr & DISR_EL1_ESR_MASK);
28 else
29 esr |= (disr & ESR_ELx_ISS_MASK);
30
31 return esr;
32}
33
Mark Rutland105fc332020-11-30 11:59:45 +000034asmlinkage void noinstr enter_el1_irq_or_nmi(struct pt_regs *regs);
35asmlinkage void noinstr exit_el1_irq_or_nmi(struct pt_regs *regs);
James Morse26718282019-08-20 18:45:57 +010036asmlinkage void enter_from_user_mode(void);
Mark Rutland23529042020-11-30 11:59:46 +000037asmlinkage void exit_to_user_mode(void);
Mark Rutlandf0cd5ac2020-11-30 11:59:49 +000038void arm64_enter_nmi(struct pt_regs *regs);
39void arm64_exit_nmi(struct pt_regs *regs);
Peter Collingbourne1ad95512021-01-22 10:09:05 -080040void do_mem_abort(unsigned long far, unsigned int esr, struct pt_regs *regs);
James Morseafa7c0e2019-10-25 17:42:15 +010041void do_undefinstr(struct pt_regs *regs);
Dave Martin8ef8f3602020-03-16 16:50:45 +000042void do_bti(struct pt_regs *regs);
James Morsee540e0a2019-10-25 17:42:11 +010043asmlinkage void bad_mode(struct pt_regs *regs, int reason, unsigned int esr);
James Morseafa7c0e2019-10-25 17:42:15 +010044void do_debug_exception(unsigned long addr_if_watchpoint, unsigned int esr,
45 struct pt_regs *regs);
46void do_fpsimd_acc(unsigned int esr, struct pt_regs *regs);
47void do_sve_acc(unsigned int esr, struct pt_regs *regs);
48void do_fpsimd_exc(unsigned int esr, struct pt_regs *regs);
49void do_sysinstr(unsigned int esr, struct pt_regs *regs);
50void do_sp_pc_abort(unsigned long addr, unsigned int esr, struct pt_regs *regs);
51void bad_el0_sync(struct pt_regs *regs, int reason, unsigned int esr);
52void do_cp15instr(unsigned int esr, struct pt_regs *regs);
Mark Rutland7a2c0942020-01-16 18:35:47 +000053void do_el0_svc(struct pt_regs *regs);
54void do_el0_svc_compat(struct pt_regs *regs);
Amit Daniel Kachhape16aeb02020-09-14 14:06:53 +053055void do_ptrauth_fault(struct pt_regs *regs, unsigned int esr);
Catalin Marinas10b663a2012-03-05 11:49:34 +000056#endif /* __ASM_EXCEPTION_H */