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 unsigned long disr_to_esr(u64 disr) 23 { 24 unsigned long 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 handle_bad_stack(struct pt_regs *regs); 35 36 asmlinkage void el1t_64_sync_handler(struct pt_regs *regs); 37 asmlinkage void el1t_64_irq_handler(struct pt_regs *regs); 38 asmlinkage void el1t_64_fiq_handler(struct pt_regs *regs); 39 asmlinkage void el1t_64_error_handler(struct pt_regs *regs); 40 41 asmlinkage void el1h_64_sync_handler(struct pt_regs *regs); 42 asmlinkage void el1h_64_irq_handler(struct pt_regs *regs); 43 asmlinkage void el1h_64_fiq_handler(struct pt_regs *regs); 44 asmlinkage void el1h_64_error_handler(struct pt_regs *regs); 45 46 asmlinkage void el0t_64_sync_handler(struct pt_regs *regs); 47 asmlinkage void el0t_64_irq_handler(struct pt_regs *regs); 48 asmlinkage void el0t_64_fiq_handler(struct pt_regs *regs); 49 asmlinkage void el0t_64_error_handler(struct pt_regs *regs); 50 51 asmlinkage void el0t_32_sync_handler(struct pt_regs *regs); 52 asmlinkage void el0t_32_irq_handler(struct pt_regs *regs); 53 asmlinkage void el0t_32_fiq_handler(struct pt_regs *regs); 54 asmlinkage void el0t_32_error_handler(struct pt_regs *regs); 55 56 asmlinkage void call_on_irq_stack(struct pt_regs *regs, 57 void (*func)(struct pt_regs *)); 58 asmlinkage void asm_exit_to_user_mode(struct pt_regs *regs); 59 60 void do_mem_abort(unsigned long far, unsigned long esr, struct pt_regs *regs); 61 void do_undefinstr(struct pt_regs *regs, unsigned long esr); 62 void do_el0_bti(struct pt_regs *regs); 63 void do_el1_bti(struct pt_regs *regs, unsigned long esr); 64 void do_debug_exception(unsigned long addr_if_watchpoint, unsigned long esr, 65 struct pt_regs *regs); 66 void do_fpsimd_acc(unsigned long esr, struct pt_regs *regs); 67 void do_sve_acc(unsigned long esr, struct pt_regs *regs); 68 void do_sme_acc(unsigned long esr, struct pt_regs *regs); 69 void do_fpsimd_exc(unsigned long esr, struct pt_regs *regs); 70 void do_sysinstr(unsigned long esr, struct pt_regs *regs); 71 void do_sp_pc_abort(unsigned long addr, unsigned long esr, struct pt_regs *regs); 72 void bad_el0_sync(struct pt_regs *regs, int reason, unsigned long esr); 73 void do_cp15instr(unsigned long esr, struct pt_regs *regs); 74 int do_compat_alignment_fixup(unsigned long addr, struct pt_regs *regs); 75 void do_el0_svc(struct pt_regs *regs); 76 void do_el0_svc_compat(struct pt_regs *regs); 77 void do_el0_fpac(struct pt_regs *regs, unsigned long esr); 78 void do_el1_fpac(struct pt_regs *regs, unsigned long esr); 79 void do_serror(struct pt_regs *regs, unsigned long esr); 80 void do_notify_resume(struct pt_regs *regs, unsigned long thread_flags); 81 82 void panic_bad_stack(struct pt_regs *regs, unsigned long esr, unsigned long far); 83 #endif /* __ASM_EXCEPTION_H */ 84