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
disr_to_esr(u64 disr)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 noinstr enter_el1_irq_or_nmi(struct pt_regs *regs);
35 asmlinkage void noinstr exit_el1_irq_or_nmi(struct pt_regs *regs);
36 asmlinkage void enter_from_user_mode(void);
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);
56 #endif /* __ASM_EXCEPTION_H */
57
