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/kprobes.h> 12 #include <asm/ptrace.h> 13 14 #include <linux/interrupt.h> 15 16 #ifdef CONFIG_FUNCTION_GRAPH_TRACER 17 #define __exception_irq_entry __irq_entry 18 #else 19 #define __exception_irq_entry __kprobes 20 #endif 21 22 static 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 34 asmlinkage void el1_sync_handler(struct pt_regs *regs); 35 asmlinkage void el0_sync_handler(struct pt_regs *regs); 36 asmlinkage void el0_sync_compat_handler(struct pt_regs *regs); 37 38 asmlinkage void noinstr enter_el1_irq_or_nmi(struct pt_regs *regs); 39 asmlinkage void noinstr exit_el1_irq_or_nmi(struct pt_regs *regs); 40 asmlinkage void enter_from_user_mode(void); 41 asmlinkage void exit_to_user_mode(void); 42 void arm64_enter_nmi(struct pt_regs *regs); 43 void arm64_exit_nmi(struct pt_regs *regs); 44 void do_mem_abort(unsigned long far, unsigned int esr, struct pt_regs *regs); 45 void do_undefinstr(struct pt_regs *regs); 46 void do_bti(struct pt_regs *regs); 47 asmlinkage void bad_mode(struct pt_regs *regs, int reason, unsigned int esr); 48 void do_debug_exception(unsigned long addr_if_watchpoint, unsigned int esr, 49 struct pt_regs *regs); 50 void do_fpsimd_acc(unsigned int esr, struct pt_regs *regs); 51 void do_sve_acc(unsigned int esr, struct pt_regs *regs); 52 void do_fpsimd_exc(unsigned int esr, struct pt_regs *regs); 53 void do_sysinstr(unsigned int esr, struct pt_regs *regs); 54 void do_sp_pc_abort(unsigned long addr, unsigned int esr, struct pt_regs *regs); 55 void bad_el0_sync(struct pt_regs *regs, int reason, unsigned int esr); 56 void do_cp15instr(unsigned int esr, struct pt_regs *regs); 57 void do_el0_svc(struct pt_regs *regs); 58 void do_el0_svc_compat(struct pt_regs *regs); 59 void do_ptrauth_fault(struct pt_regs *regs, unsigned int esr); 60 #endif /* __ASM_EXCEPTION_H */ 61