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kernel/linux-rt-4.4.41/arch/arm/include/asm/glue-pf.h 1.12 KB
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  /*
   *  arch/arm/include/asm/glue-pf.h
   *
   *  Copyright (C) 1997-1999 Russell King
   *  Copyright (C) 2000-2002 Deep Blue Solutions Ltd.
   *
   * This program is free software; you can redistribute it and/or modify
   * it under the terms of the GNU General Public License version 2 as
   * published by the Free Software Foundation.
   */
  #ifndef ASM_GLUE_PF_H
  #define ASM_GLUE_PF_H
  
  #include <asm/glue.h>
  
  /*
   *	Prefetch Abort Model
   *	================
   *
   *	We have the following to choose from:
   *	  legacy	- no IFSR, no IFAR
   *	  v6		- ARMv6: IFSR, no IFAR
   *	  v7		- ARMv7: IFSR and IFAR
   */
  
  #undef CPU_PABORT_HANDLER
  #undef MULTI_PABORT
  
  #ifdef CONFIG_CPU_PABRT_LEGACY
  # ifdef CPU_PABORT_HANDLER
  #  define MULTI_PABORT 1
  # else
  #  define CPU_PABORT_HANDLER legacy_pabort
  # endif
  #endif
  
  #ifdef CONFIG_CPU_PABRT_V6
  # ifdef CPU_PABORT_HANDLER
  #  define MULTI_PABORT 1
  # else
  #  define CPU_PABORT_HANDLER v6_pabort
  # endif
  #endif
  
  #ifdef CONFIG_CPU_PABRT_V7
  # ifdef CPU_PABORT_HANDLER
  #  define MULTI_PABORT 1
  # else
  #  define CPU_PABORT_HANDLER v7_pabort
  # endif
  #endif
  
  #ifndef CPU_PABORT_HANDLER
  #error Unknown prefetch abort handler type
  #endif
  
  #endif