LXR linux/arch/arm64/include/asm/exception.h

   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 enter_from_user_mode(void);
  35void do_mem_abort(unsigned long addr, unsigned int esr, struct pt_regs *regs);
  36void do_undefinstr(struct pt_regs *regs);
  37asmlinkage void bad_mode(struct pt_regs *regs, int reason, unsigned int esr);
  38void do_debug_exception(unsigned long addr_if_watchpoint, unsigned int esr,
  39                        struct pt_regs *regs);
  40void do_fpsimd_acc(unsigned int esr, struct pt_regs *regs);
  41void do_sve_acc(unsigned int esr, struct pt_regs *regs);
  42void do_fpsimd_exc(unsigned int esr, struct pt_regs *regs);
  43void do_sysinstr(unsigned int esr, struct pt_regs *regs);
  44void do_sp_pc_abort(unsigned long addr, unsigned int esr, struct pt_regs *regs);
  45void bad_el0_sync(struct pt_regs *regs, int reason, unsigned int esr);
  46void do_cp15instr(unsigned int esr, struct pt_regs *regs);
  47void do_el0_svc(struct pt_regs *regs);
  48void do_el0_svc_compat(struct pt_regs *regs);
  49#endif  /* __ASM_EXCEPTION_H */
  50