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 enter_from_user_mode(void); 35 void do_mem_abort(unsigned long addr, unsigned int esr, struct pt_regs *regs); 36 void do_sp_pc_abort(unsigned long addr, unsigned int esr, struct pt_regs *regs); 37 void do_undefinstr(struct pt_regs *regs); 38 asmlinkage void bad_mode(struct pt_regs *regs, int reason, unsigned int esr); 39 void do_debug_exception(unsigned long addr_if_watchpoint, unsigned int esr, 40 struct pt_regs *regs); 41 void do_fpsimd_acc(unsigned int esr, struct pt_regs *regs); 42 void do_sve_acc(unsigned int esr, struct pt_regs *regs); 43 void do_fpsimd_exc(unsigned int esr, struct pt_regs *regs); 44 void do_sysinstr(unsigned int esr, struct pt_regs *regs); 45 void do_sp_pc_abort(unsigned long addr, unsigned int esr, struct pt_regs *regs); 46 void bad_el0_sync(struct pt_regs *regs, int reason, unsigned int esr); 47 void do_cp15instr(unsigned int esr, struct pt_regs *regs); 48 void do_el0_svc(struct pt_regs *regs); 49 void do_el0_svc_compat(struct pt_regs *regs); 50 void do_el0_ia_bp_hardening(unsigned long addr, unsigned int esr, 51 struct pt_regs *regs); 52 53 #endif /* __ASM_EXCEPTION_H */ 54