1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-only */
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun * Based on arch/arm/include/asm/exception.h
4*4882a593Smuzhiyun *
5*4882a593Smuzhiyun * Copyright (C) 2012 ARM Ltd.
6*4882a593Smuzhiyun */
7*4882a593Smuzhiyun #ifndef __ASM_EXCEPTION_H
8*4882a593Smuzhiyun #define __ASM_EXCEPTION_H
9*4882a593Smuzhiyun
10*4882a593Smuzhiyun #include <asm/esr.h>
11*4882a593Smuzhiyun #include <asm/kprobes.h>
12*4882a593Smuzhiyun #include <asm/ptrace.h>
13*4882a593Smuzhiyun
14*4882a593Smuzhiyun #include <linux/interrupt.h>
15*4882a593Smuzhiyun
16*4882a593Smuzhiyun #ifdef CONFIG_FUNCTION_GRAPH_TRACER
17*4882a593Smuzhiyun #define __exception_irq_entry __irq_entry
18*4882a593Smuzhiyun #else
19*4882a593Smuzhiyun #define __exception_irq_entry __kprobes
20*4882a593Smuzhiyun #endif
21*4882a593Smuzhiyun
disr_to_esr(u64 disr)22*4882a593Smuzhiyun static inline u32 disr_to_esr(u64 disr)
23*4882a593Smuzhiyun {
24*4882a593Smuzhiyun unsigned int esr = ESR_ELx_EC_SERROR << ESR_ELx_EC_SHIFT;
25*4882a593Smuzhiyun
26*4882a593Smuzhiyun if ((disr & DISR_EL1_IDS) == 0)
27*4882a593Smuzhiyun esr |= (disr & DISR_EL1_ESR_MASK);
28*4882a593Smuzhiyun else
29*4882a593Smuzhiyun esr |= (disr & ESR_ELx_ISS_MASK);
30*4882a593Smuzhiyun
31*4882a593Smuzhiyun return esr;
32*4882a593Smuzhiyun }
33*4882a593Smuzhiyun
34*4882a593Smuzhiyun asmlinkage void noinstr enter_el1_irq_or_nmi(struct pt_regs *regs);
35*4882a593Smuzhiyun asmlinkage void noinstr exit_el1_irq_or_nmi(struct pt_regs *regs);
36*4882a593Smuzhiyun asmlinkage void enter_from_user_mode(void);
37*4882a593Smuzhiyun asmlinkage void exit_to_user_mode(void);
38*4882a593Smuzhiyun void arm64_enter_nmi(struct pt_regs *regs);
39*4882a593Smuzhiyun void arm64_exit_nmi(struct pt_regs *regs);
40*4882a593Smuzhiyun void do_mem_abort(unsigned long far, unsigned int esr, struct pt_regs *regs);
41*4882a593Smuzhiyun void do_undefinstr(struct pt_regs *regs);
42*4882a593Smuzhiyun void do_bti(struct pt_regs *regs);
43*4882a593Smuzhiyun asmlinkage void bad_mode(struct pt_regs *regs, int reason, unsigned int esr);
44*4882a593Smuzhiyun void do_debug_exception(unsigned long addr_if_watchpoint, unsigned int esr,
45*4882a593Smuzhiyun struct pt_regs *regs);
46*4882a593Smuzhiyun void do_fpsimd_acc(unsigned int esr, struct pt_regs *regs);
47*4882a593Smuzhiyun void do_sve_acc(unsigned int esr, struct pt_regs *regs);
48*4882a593Smuzhiyun void do_fpsimd_exc(unsigned int esr, struct pt_regs *regs);
49*4882a593Smuzhiyun void do_sysinstr(unsigned int esr, struct pt_regs *regs);
50*4882a593Smuzhiyun void do_sp_pc_abort(unsigned long addr, unsigned int esr, struct pt_regs *regs);
51*4882a593Smuzhiyun void bad_el0_sync(struct pt_regs *regs, int reason, unsigned int esr);
52*4882a593Smuzhiyun void do_cp15instr(unsigned int esr, struct pt_regs *regs);
53*4882a593Smuzhiyun void do_el0_svc(struct pt_regs *regs);
54*4882a593Smuzhiyun void do_el0_svc_compat(struct pt_regs *regs);
55*4882a593Smuzhiyun void do_ptrauth_fault(struct pt_regs *regs, unsigned int esr);
56*4882a593Smuzhiyun #endif /* __ASM_EXCEPTION_H */
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