diff options
Diffstat (limited to 'arch/arm64/include/asm/exception.h')
| -rw-r--r-- | arch/arm64/include/asm/exception.h | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/arch/arm64/include/asm/exception.h b/arch/arm64/include/asm/exception.h new file mode 100644 index 000000000..19713d0f0 --- /dev/null +++ b/arch/arm64/include/asm/exception.h @@ -0,0 +1,83 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Based on arch/arm/include/asm/exception.h + * + * Copyright (C) 2012 ARM Ltd. + */ +#ifndef __ASM_EXCEPTION_H +#define __ASM_EXCEPTION_H + +#include <asm/esr.h> +#include <asm/kprobes.h> +#include <asm/ptrace.h> + +#include <linux/interrupt.h> + +#ifdef CONFIG_FUNCTION_GRAPH_TRACER +#define __exception_irq_entry __irq_entry +#else +#define __exception_irq_entry __kprobes +#endif + +static inline unsigned long disr_to_esr(u64 disr) +{ + unsigned long esr = ESR_ELx_EC_SERROR << ESR_ELx_EC_SHIFT; + + if ((disr & DISR_EL1_IDS) == 0) + esr |= (disr & DISR_EL1_ESR_MASK); + else + esr |= (disr & ESR_ELx_ISS_MASK); + + return esr; +} + +asmlinkage void handle_bad_stack(struct pt_regs *regs); + +asmlinkage void el1t_64_sync_handler(struct pt_regs *regs); +asmlinkage void el1t_64_irq_handler(struct pt_regs *regs); +asmlinkage void el1t_64_fiq_handler(struct pt_regs *regs); +asmlinkage void el1t_64_error_handler(struct pt_regs *regs); + +asmlinkage void el1h_64_sync_handler(struct pt_regs *regs); +asmlinkage void el1h_64_irq_handler(struct pt_regs *regs); +asmlinkage void el1h_64_fiq_handler(struct pt_regs *regs); +asmlinkage void el1h_64_error_handler(struct pt_regs *regs); + +asmlinkage void el0t_64_sync_handler(struct pt_regs *regs); +asmlinkage void el0t_64_irq_handler(struct pt_regs *regs); +asmlinkage void el0t_64_fiq_handler(struct pt_regs *regs); +asmlinkage void el0t_64_error_handler(struct pt_regs *regs); + +asmlinkage void el0t_32_sync_handler(struct pt_regs *regs); +asmlinkage void el0t_32_irq_handler(struct pt_regs *regs); +asmlinkage void el0t_32_fiq_handler(struct pt_regs *regs); +asmlinkage void el0t_32_error_handler(struct pt_regs *regs); + +asmlinkage void call_on_irq_stack(struct pt_regs *regs, + void (*func)(struct pt_regs *)); +asmlinkage void asm_exit_to_user_mode(struct pt_regs *regs); + +void do_mem_abort(unsigned long far, unsigned long esr, struct pt_regs *regs); +void do_undefinstr(struct pt_regs *regs, unsigned long esr); +void do_el0_bti(struct pt_regs *regs); +void do_el1_bti(struct pt_regs *regs, unsigned long esr); +void do_debug_exception(unsigned long addr_if_watchpoint, unsigned long esr, + struct pt_regs *regs); +void do_fpsimd_acc(unsigned long esr, struct pt_regs *regs); +void do_sve_acc(unsigned long esr, struct pt_regs *regs); +void do_sme_acc(unsigned long esr, struct pt_regs *regs); +void do_fpsimd_exc(unsigned long esr, struct pt_regs *regs); +void do_sysinstr(unsigned long esr, struct pt_regs *regs); +void do_sp_pc_abort(unsigned long addr, unsigned long esr, struct pt_regs *regs); +void bad_el0_sync(struct pt_regs *regs, int reason, unsigned long esr); +void do_cp15instr(unsigned long esr, struct pt_regs *regs); +int do_compat_alignment_fixup(unsigned long addr, struct pt_regs *regs); +void do_el0_svc(struct pt_regs *regs); +void do_el0_svc_compat(struct pt_regs *regs); +void do_el0_fpac(struct pt_regs *regs, unsigned long esr); +void do_el1_fpac(struct pt_regs *regs, unsigned long esr); +void do_serror(struct pt_regs *regs, unsigned long esr); +void do_notify_resume(struct pt_regs *regs, unsigned long thread_flags); + +void panic_bad_stack(struct pt_regs *regs, unsigned long esr, unsigned long far); +#endif /* __ASM_EXCEPTION_H */ |