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

   1 /*
   2  *  arch/arm/include/asm/glue-pf.h
   3  *
   4  *  Copyright (C) 1997-1999 Russell King
   5  *  Copyright (C) 2000-2002 Deep Blue Solutions Ltd.
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License version 2 as
   9  * published by the Free Software Foundation.
  10  */
  11 #ifndef ASM_GLUE_PF_H
  12 #define ASM_GLUE_PF_H
  13
  14 #include <asm/glue.h>
  15
  16 /*
  17  *      Prefetch Abort Model
  18  *      ================
  19  *
  20  *      We have the following to choose from:
  21  *        legacy        - no IFSR, no IFAR
  22  *        v6            - ARMv6: IFSR, no IFAR
  23  *        v7            - ARMv7: IFSR and IFAR
  24  */
  25
  26 #undef CPU_PABORT_HANDLER
  27 #undef MULTI_PABORT
  28
  29 #ifdef CONFIG_CPU_PABRT_LEGACY
  30 # ifdef CPU_PABORT_HANDLER
  31 #  define MULTI_PABORT 1
  32 # else
  33 #  define CPU_PABORT_HANDLER legacy_pabort
  34 # endif
  35 #endif
  36
  37 #ifdef CONFIG_CPU_PABRT_V6
  38 # ifdef CPU_PABORT_HANDLER
  39 #  define MULTI_PABORT 1
  40 # else
  41 #  define CPU_PABORT_HANDLER v6_pabort
  42 # endif
  43 #endif
  44
  45 #ifdef CONFIG_CPU_PABRT_V7
  46 # ifdef CPU_PABORT_HANDLER
  47 #  define MULTI_PABORT 1
  48 # else
  49 #  define CPU_PABORT_HANDLER v7_pabort
  50 # endif
  51 #endif
  52
  53 #ifndef CPU_PABORT_HANDLER
  54 #error Unknown prefetch abort handler type
  55 #endif
  56
  57 #endif