| David Brazdil | 0f672f6 | 2019-12-10 10:32:29 +0000 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 2 | /* |
| 3 | * Based on arch/arm/include/asm/exception.h |
| 4 | * |
| 5 | * Copyright (C) 2012 ARM Ltd. |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 6 | */ |
| 7 | #ifndef __ASM_EXCEPTION_H |
| 8 | #define __ASM_EXCEPTION_H |
| 9 | |
| 10 | #include <asm/esr.h> |
| Olivier Deprez | 157378f | 2022-04-04 15:47:50 +0200 | [diff] [blame^] | 11 | #include <asm/kprobes.h> |
| 12 | #include <asm/ptrace.h> |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 13 | |
| 14 | #include <linux/interrupt.h> |
| 15 | |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 16 | #ifdef CONFIG_FUNCTION_GRAPH_TRACER |
| 17 | #define __exception_irq_entry __irq_entry |
| 18 | #else |
| Olivier Deprez | 157378f | 2022-04-04 15:47:50 +0200 | [diff] [blame^] | 19 | #define __exception_irq_entry __kprobes |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 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 | |
| Olivier Deprez | 157378f | 2022-04-04 15:47:50 +0200 | [diff] [blame^] | 34 | asmlinkage void noinstr enter_el1_irq_or_nmi(struct pt_regs *regs); |
| 35 | asmlinkage void noinstr exit_el1_irq_or_nmi(struct pt_regs *regs); |
| David Brazdil | 0f672f6 | 2019-12-10 10:32:29 +0000 | [diff] [blame] | 36 | asmlinkage void enter_from_user_mode(void); |
| Olivier Deprez | 157378f | 2022-04-04 15:47:50 +0200 | [diff] [blame^] | 37 | asmlinkage void exit_to_user_mode(void); |
| 38 | void arm64_enter_nmi(struct pt_regs *regs); |
| 39 | void arm64_exit_nmi(struct pt_regs *regs); |
| 40 | void do_mem_abort(unsigned long addr, unsigned int esr, struct pt_regs *regs); |
| 41 | void do_undefinstr(struct pt_regs *regs); |
| 42 | void do_bti(struct pt_regs *regs); |
| 43 | asmlinkage void bad_mode(struct pt_regs *regs, int reason, unsigned int esr); |
| 44 | void do_debug_exception(unsigned long addr_if_watchpoint, unsigned int esr, |
| 45 | struct pt_regs *regs); |
| 46 | void do_fpsimd_acc(unsigned int esr, struct pt_regs *regs); |
| 47 | void do_sve_acc(unsigned int esr, struct pt_regs *regs); |
| 48 | void do_fpsimd_exc(unsigned int esr, struct pt_regs *regs); |
| 49 | void do_sysinstr(unsigned int esr, struct pt_regs *regs); |
| 50 | void do_sp_pc_abort(unsigned long addr, unsigned int esr, struct pt_regs *regs); |
| 51 | void bad_el0_sync(struct pt_regs *regs, int reason, unsigned int esr); |
| 52 | void do_cp15instr(unsigned int esr, struct pt_regs *regs); |
| 53 | void do_el0_svc(struct pt_regs *regs); |
| 54 | void do_el0_svc_compat(struct pt_regs *regs); |
| 55 | void do_ptrauth_fault(struct pt_regs *regs, unsigned int esr); |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 56 | #endif /* __ASM_EXCEPTION_H */ |