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
disr_to_esr(u64 disr)17 static inline u32 disr_to_esr(u64 disr)
18 {
19 unsigned int 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
29 asmlinkage void noinstr enter_el1_irq_or_nmi(struct pt_regs *regs);
30 asmlinkage void noinstr exit_el1_irq_or_nmi(struct pt_regs *regs);
31 asmlinkage void enter_from_user_mode(void);
32 asmlinkage void exit_to_user_mode(void);
33 void arm64_enter_nmi(struct pt_regs *regs);
34 void arm64_exit_nmi(struct pt_regs *regs);
35 void do_mem_abort(unsigned long far, unsigned int esr, struct pt_regs *regs);
36 void do_undefinstr(struct pt_regs *regs);
37 void do_bti(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_ptrauth_fault(struct pt_regs *regs, unsigned int esr);
51 #endif /* __ASM_EXCEPTION_H */
52