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
  22 static 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
  34 asmlinkage void enter_from_user_mode(void);
  35 void do_mem_abort(unsigned long addr, unsigned int esr, struct pt_regs *regs);
  36 void do_sp_pc_abort(unsigned long addr, unsigned int esr, struct pt_regs *regs);
  37 void do_undefinstr(struct pt_regs *regs);
  38 asmlinkage void bad_mode(struct pt_regs *regs, int reason, unsigned int esr);
  39 void do_debug_exception(unsigned long addr_if_watchpoint, unsigned int esr,
  40                         struct pt_regs *regs);
  41 void do_fpsimd_acc(unsigned int esr, struct pt_regs *regs);
  42 void do_sve_acc(unsigned int esr, struct pt_regs *regs);
  43 void do_fpsimd_exc(unsigned int esr, struct pt_regs *regs);
  44 void do_sysinstr(unsigned int esr, struct pt_regs *regs);
  45 void do_sp_pc_abort(unsigned long addr, unsigned int esr, struct pt_regs *regs);
  46 void bad_el0_sync(struct pt_regs *regs, int reason, unsigned int esr);
  47 void do_cp15instr(unsigned int esr, struct pt_regs *regs);
  48 void do_el0_svc(struct pt_regs *regs);
  49 void do_el0_svc_compat(struct pt_regs *regs);
  50 void do_el0_ia_bp_hardening(unsigned long addr,  unsigned int esr,
  51                             struct pt_regs *regs);
  52
  53 #endif  /* __ASM_EXCEPTION_H */