exception.h (8bd7f91c03d886f41d35f6108078d20be5a4a1bd) exception.h (8d56e5c5a99ce1d17d39ce5a8260e42c2a2d7682)
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

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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
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

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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)
22static inline unsigned long disr_to_esr(u64 disr)
23{
23{
24 unsigned int esr = ESR_ELx_EC_SERROR << ESR_ELx_EC_SHIFT;
24 unsigned long 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}

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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
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}

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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);
60void do_mem_abort(unsigned long far, unsigned long esr, struct pt_regs *regs);
61void do_undefinstr(struct pt_regs *regs);
62void do_bti(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,
63void do_debug_exception(unsigned long addr_if_watchpoint, unsigned long esr,
64 struct pt_regs *regs);
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_sme_acc(unsigned int esr, struct pt_regs *regs);
68void do_fpsimd_exc(unsigned int esr, struct pt_regs *regs);
69void do_sysinstr(unsigned int esr, struct pt_regs *regs);
70void do_sp_pc_abort(unsigned long addr, unsigned int esr, struct pt_regs *regs);
71void bad_el0_sync(struct pt_regs *regs, int reason, unsigned int esr);
72void do_cp15instr(unsigned int esr, struct pt_regs *regs);
65void do_fpsimd_acc(unsigned long esr, struct pt_regs *regs);
66void do_sve_acc(unsigned long esr, struct pt_regs *regs);
67void do_fpsimd_exc(unsigned long esr, struct pt_regs *regs);
68void do_sysinstr(unsigned long esr, struct pt_regs *regs);
69void do_sp_pc_abort(unsigned long addr, unsigned long esr, struct pt_regs *regs);
70void bad_el0_sync(struct pt_regs *regs, int reason, unsigned long esr);
71void do_cp15instr(unsigned long esr, struct pt_regs *regs);
73void do_el0_svc(struct pt_regs *regs);
74void do_el0_svc_compat(struct pt_regs *regs);
72void do_el0_svc(struct pt_regs *regs);
73void do_el0_svc_compat(struct pt_regs *regs);
75void do_ptrauth_fault(struct pt_regs *regs, unsigned int esr);
76void do_serror(struct pt_regs *regs, unsigned int esr);
74void do_ptrauth_fault(struct pt_regs *regs, unsigned long esr);
75void do_serror(struct pt_regs *regs, unsigned long esr);
77void do_notify_resume(struct pt_regs *regs, unsigned long thread_flags);
78
76void do_notify_resume(struct pt_regs *regs, unsigned long thread_flags);
77
79void panic_bad_stack(struct pt_regs *regs, unsigned int esr, unsigned long far);
78void panic_bad_stack(struct pt_regs *regs, unsigned long esr, unsigned long far);
80#endif /* __ASM_EXCEPTION_H */
79#endif /* __ASM_EXCEPTION_H */