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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/ptrace.h> |
| 12 | |
| 13 | #include <linux/interrupt.h> |
| 14 | |
| 15 | #define __exception_irq_entry __irq_entry |
| 16 | |
| 17 | static inline unsigned long disr_to_esr(u64 disr) |
| 18 | { |
| 19 | unsigned long 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 __noreturn handle_bad_stack(struct pt_regs *regs); |
| 30 | |
| 31 | asmlinkage void el1t_64_sync_handler(struct pt_regs *regs); |
| 32 | asmlinkage void el1t_64_irq_handler(struct pt_regs *regs); |
| 33 | asmlinkage void el1t_64_fiq_handler(struct pt_regs *regs); |
| 34 | asmlinkage void el1t_64_error_handler(struct pt_regs *regs); |
| 35 | |
| 36 | asmlinkage void el1h_64_sync_handler(struct pt_regs *regs); |
| 37 | asmlinkage void el1h_64_irq_handler(struct pt_regs *regs); |
| 38 | asmlinkage void el1h_64_fiq_handler(struct pt_regs *regs); |
| 39 | asmlinkage void el1h_64_error_handler(struct pt_regs *regs); |
| 40 | |
| 41 | asmlinkage void el0t_64_sync_handler(struct pt_regs *regs); |
| 42 | asmlinkage void el0t_64_irq_handler(struct pt_regs *regs); |
| 43 | asmlinkage void el0t_64_fiq_handler(struct pt_regs *regs); |
| 44 | asmlinkage void el0t_64_error_handler(struct pt_regs *regs); |
| 45 | |
| 46 | asmlinkage void el0t_32_sync_handler(struct pt_regs *regs); |
| 47 | asmlinkage void el0t_32_irq_handler(struct pt_regs *regs); |
| 48 | asmlinkage void el0t_32_fiq_handler(struct pt_regs *regs); |
| 49 | asmlinkage void el0t_32_error_handler(struct pt_regs *regs); |
| 50 | |
| 51 | asmlinkage void call_on_irq_stack(struct pt_regs *regs, |
| 52 | void (*func)(struct pt_regs *)); |
| 53 | asmlinkage void asm_exit_to_user_mode(struct pt_regs *regs); |
| 54 | |
| 55 | void do_mem_abort(unsigned long far, unsigned long esr, struct pt_regs *regs); |
| 56 | void do_el0_undef(struct pt_regs *regs, unsigned long esr); |
| 57 | void do_el1_undef(struct pt_regs *regs, unsigned long esr); |
| 58 | void do_el0_bti(struct pt_regs *regs); |
| 59 | void do_el1_bti(struct pt_regs *regs, unsigned long esr); |
| 60 | void do_el0_gcs(struct pt_regs *regs, unsigned long esr); |
| 61 | void do_el1_gcs(struct pt_regs *regs, unsigned long esr); |
| 62 | #ifdef CONFIG_HAVE_HW_BREAKPOINT |
| 63 | void do_breakpoint(unsigned long esr, struct pt_regs *regs); |
| 64 | void do_watchpoint(unsigned long addr, unsigned long esr, |
| 65 | struct pt_regs *regs); |
| 66 | #else |
| 67 | static inline void do_breakpoint(unsigned long esr, struct pt_regs *regs) {} |
| 68 | static inline void do_watchpoint(unsigned long addr, unsigned long esr, |
| 69 | struct pt_regs *regs) {} |
| 70 | #endif /* CONFIG_HAVE_HW_BREAKPOINT */ |
| 71 | void do_el0_softstep(unsigned long esr, struct pt_regs *regs); |
| 72 | void do_el1_softstep(unsigned long esr, struct pt_regs *regs); |
| 73 | void do_el0_brk64(unsigned long esr, struct pt_regs *regs); |
| 74 | void do_el1_brk64(unsigned long esr, struct pt_regs *regs); |
| 75 | void do_bkpt32(unsigned long esr, struct pt_regs *regs); |
| 76 | void do_fpsimd_acc(unsigned long esr, struct pt_regs *regs); |
| 77 | void do_sve_acc(unsigned long esr, struct pt_regs *regs); |
| 78 | void do_sme_acc(unsigned long esr, struct pt_regs *regs); |
| 79 | void do_fpsimd_exc(unsigned long esr, struct pt_regs *regs); |
| 80 | void do_el0_sys(unsigned long esr, struct pt_regs *regs); |
| 81 | void do_sp_pc_abort(unsigned long addr, unsigned long esr, struct pt_regs *regs); |
| 82 | void bad_el0_sync(struct pt_regs *regs, int reason, unsigned long esr); |
| 83 | void do_el0_cp15(unsigned long esr, struct pt_regs *regs); |
| 84 | int do_compat_alignment_fixup(unsigned long addr, struct pt_regs *regs); |
| 85 | void do_el0_svc(struct pt_regs *regs); |
| 86 | void do_el0_svc_compat(struct pt_regs *regs); |
| 87 | void do_el0_fpac(struct pt_regs *regs, unsigned long esr); |
| 88 | void do_el1_fpac(struct pt_regs *regs, unsigned long esr); |
| 89 | void do_el0_mops(struct pt_regs *regs, unsigned long esr); |
| 90 | void do_el1_mops(struct pt_regs *regs, unsigned long esr); |
| 91 | void do_serror(struct pt_regs *regs, unsigned long esr); |
| 92 | |
| 93 | void __noreturn panic_bad_stack(struct pt_regs *regs, unsigned long esr, unsigned long far); |
| 94 | #endif /* __ASM_EXCEPTION_H */ |
| 95 |
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