Linux kernel mirror (for testing)
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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
22static 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
34asmlinkage void handle_bad_stack(struct pt_regs *regs);
35
36asmlinkage void el1t_64_sync_handler(struct pt_regs *regs);
37asmlinkage void el1t_64_irq_handler(struct pt_regs *regs);
38asmlinkage void el1t_64_fiq_handler(struct pt_regs *regs);
39asmlinkage void el1t_64_error_handler(struct pt_regs *regs);
40
41asmlinkage void el1h_64_sync_handler(struct pt_regs *regs);
42asmlinkage void el1h_64_irq_handler(struct pt_regs *regs);
43asmlinkage void el1h_64_fiq_handler(struct pt_regs *regs);
44asmlinkage void el1h_64_error_handler(struct pt_regs *regs);
45
46asmlinkage void el0t_64_sync_handler(struct pt_regs *regs);
47asmlinkage void el0t_64_irq_handler(struct pt_regs *regs);
48asmlinkage void el0t_64_fiq_handler(struct pt_regs *regs);
49asmlinkage void el0t_64_error_handler(struct pt_regs *regs);
50
51asmlinkage void el0t_32_sync_handler(struct pt_regs *regs);
52asmlinkage void el0t_32_irq_handler(struct pt_regs *regs);
53asmlinkage void el0t_32_fiq_handler(struct pt_regs *regs);
54asmlinkage void el0t_32_error_handler(struct pt_regs *regs);
55
56asmlinkage void call_on_irq_stack(struct pt_regs *regs,
57 void (*func)(struct pt_regs *));
58asmlinkage void asm_exit_to_user_mode(struct pt_regs *regs);
59
60void do_mem_abort(unsigned long far, unsigned int esr, struct pt_regs *regs);
61void do_undefinstr(struct pt_regs *regs);
62void do_bti(struct pt_regs *regs);
63void do_debug_exception(unsigned long addr_if_watchpoint, unsigned int esr,
64 struct pt_regs *regs);
65void do_fpsimd_acc(unsigned int esr, struct pt_regs *regs);
66void do_sve_acc(unsigned int esr, struct pt_regs *regs);
67void do_fpsimd_exc(unsigned int esr, struct pt_regs *regs);
68void do_sysinstr(unsigned int esr, struct pt_regs *regs);
69void do_sp_pc_abort(unsigned long addr, unsigned int esr, struct pt_regs *regs);
70void bad_el0_sync(struct pt_regs *regs, int reason, unsigned int esr);
71void do_cp15instr(unsigned int esr, struct pt_regs *regs);
72void do_el0_svc(struct pt_regs *regs);
73void do_el0_svc_compat(struct pt_regs *regs);
74void do_ptrauth_fault(struct pt_regs *regs, unsigned int esr);
75void do_serror(struct pt_regs *regs, unsigned int esr);
76void do_notify_resume(struct pt_regs *regs, unsigned long thread_flags);
77
78void panic_bad_stack(struct pt_regs *regs, unsigned int esr, unsigned long far);
79#endif /* __ASM_EXCEPTION_H */