root/arch/arm/include/asm/glue-pf.h

INCLUDED FROM

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /*
   3  *  arch/arm/include/asm/glue-pf.h
   4  *
   5  *  Copyright (C) 1997-1999 Russell King
   6  *  Copyright (C) 2000-2002 Deep Blue Solutions Ltd.
   7  */
   8 #ifndef ASM_GLUE_PF_H
   9 #define ASM_GLUE_PF_H
  10 
  11 #include <asm/glue.h>
  12 
  13 /*
  14  *      Prefetch Abort Model
  15  *      ================
  16  *
  17  *      We have the following to choose from:
  18  *        legacy        - no IFSR, no IFAR
  19  *        v6            - ARMv6: IFSR, no IFAR
  20  *        v7            - ARMv7: IFSR and IFAR
  21  */
  22 
  23 #undef CPU_PABORT_HANDLER
  24 #undef MULTI_PABORT
  25 
  26 #ifdef CONFIG_CPU_PABRT_LEGACY
  27 # ifdef CPU_PABORT_HANDLER
  28 #  define MULTI_PABORT 1
  29 # else
  30 #  define CPU_PABORT_HANDLER legacy_pabort
  31 # endif
  32 #endif
  33 
  34 #ifdef CONFIG_CPU_PABRT_V6
  35 # ifdef CPU_PABORT_HANDLER
  36 #  define MULTI_PABORT 1
  37 # else
  38 #  define CPU_PABORT_HANDLER v6_pabort
  39 # endif
  40 #endif
  41 
  42 #ifdef CONFIG_CPU_PABRT_V7
  43 # ifdef CPU_PABORT_HANDLER
  44 #  define MULTI_PABORT 1
  45 # else
  46 #  define CPU_PABORT_HANDLER v7_pabort
  47 # endif
  48 #endif
  49 
  50 #ifndef CPU_PABORT_HANDLER
  51 #error Unknown prefetch abort handler type
  52 #endif
  53 
  54 #endif