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 unsigned long disr_to_esr(u64 disr) 18{ 19 unsigned long 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 __noreturn handle_bad_stack(struct pt_regs *regs); 30 31asmlinkage void el1t_64_sync_handler(struct pt_regs *regs); 32asmlinkage void el1t_64_irq_handler(struct pt_regs *regs); 33asmlinkage void el1t_64_fiq_handler(struct pt_regs *regs); 34asmlinkage void el1t_64_error_handler(struct pt_regs *regs); 35 36asmlinkage void el1h_64_sync_handler(struct pt_regs *regs); 37asmlinkage void el1h_64_irq_handler(struct pt_regs *regs); 38asmlinkage void el1h_64_fiq_handler(struct pt_regs *regs); 39asmlinkage void el1h_64_error_handler(struct pt_regs *regs); 40 41asmlinkage void el0t_64_sync_handler(struct pt_regs *regs); 42asmlinkage void el0t_64_irq_handler(struct pt_regs *regs); 43asmlinkage void el0t_64_fiq_handler(struct pt_regs *regs); 44asmlinkage void el0t_64_error_handler(struct pt_regs *regs); 45 46asmlinkage void el0t_32_sync_handler(struct pt_regs *regs); 47asmlinkage void el0t_32_irq_handler(struct pt_regs *regs); 48asmlinkage void el0t_32_fiq_handler(struct pt_regs *regs); 49asmlinkage void el0t_32_error_handler(struct pt_regs *regs); 50 51asmlinkage void call_on_irq_stack(struct pt_regs *regs, 52 void (*func)(struct pt_regs *)); 53asmlinkage void asm_exit_to_user_mode(struct pt_regs *regs); 54 55void do_mem_abort(unsigned long far, unsigned long esr, struct pt_regs *regs); 56void do_el0_undef(struct pt_regs *regs, unsigned long esr); 57void do_el1_undef(struct pt_regs *regs, unsigned long esr); 58void do_el0_bti(struct pt_regs *regs); 59void do_el1_bti(struct pt_regs *regs, unsigned long esr); 60void do_debug_exception(unsigned long addr_if_watchpoint, unsigned long esr, 61 struct pt_regs *regs); 62void do_fpsimd_acc(unsigned long esr, struct pt_regs *regs); 63void do_sve_acc(unsigned long esr, struct pt_regs *regs); 64void do_sme_acc(unsigned long esr, struct pt_regs *regs); 65void do_fpsimd_exc(unsigned long esr, struct pt_regs *regs); 66void do_el0_sys(unsigned long esr, struct pt_regs *regs); 67void do_sp_pc_abort(unsigned long addr, unsigned long esr, struct pt_regs *regs); 68void bad_el0_sync(struct pt_regs *regs, int reason, unsigned long esr); 69void do_el0_cp15(unsigned long esr, struct pt_regs *regs); 70int do_compat_alignment_fixup(unsigned long addr, struct pt_regs *regs); 71void do_el0_svc(struct pt_regs *regs); 72void do_el0_svc_compat(struct pt_regs *regs); 73void do_el0_fpac(struct pt_regs *regs, unsigned long esr); 74void do_el1_fpac(struct pt_regs *regs, unsigned long esr); 75void do_el0_mops(struct pt_regs *regs, unsigned long esr); 76void do_serror(struct pt_regs *regs, unsigned long esr); 77void do_signal(struct pt_regs *regs); 78 79void __noreturn panic_bad_stack(struct pt_regs *regs, unsigned long esr, unsigned long far); 80#endif /* __ASM_EXCEPTION_H */ 81