root/arch/arm64/include/asm/exception.h

INCLUDED FROM

DEFINITIONS

1. disr_to_esr

   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 
  12 #include <linux/interrupt.h>
  13 
  14 #define __exception     __attribute__((section(".exception.text")))
  15 #ifdef CONFIG_FUNCTION_GRAPH_TRACER
  16 #define __exception_irq_entry   __irq_entry
  17 #else
  18 #define __exception_irq_entry   __exception
  19 #endif
  20 
  21 static inline u32 disr_to_esr(u64 disr)
  22 {
  23         unsigned int esr = ESR_ELx_EC_SERROR << ESR_ELx_EC_SHIFT;
  24 
  25         if ((disr & DISR_EL1_IDS) == 0)
  26                 esr |= (disr & DISR_EL1_ESR_MASK);
  27         else
  28                 esr |= (disr & ESR_ELx_ISS_MASK);
  29 
  30         return esr;
  31 }
  32 
  33 asmlinkage void enter_from_user_mode(void);
  34 
  35 #endif  /* __ASM_EXCEPTION_H */