include/asm-arm/glue.h

   1 /*
   2  *  linux/include/asm-arm/glue.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  *  This file provides the glue to stick the processor-specific bits
  12  *  into the kernel in an efficient manner.  The idea is to use branches
  13  *  when we're only targetting one class of TLB, or indirect calls
  14  *  when we're targetting multiple classes of TLBs.
  15  */
  16 #ifdef __KERNEL__
  17
  18
  19 #ifdef __STDC__
  20 #define ____glue(name,fn)       name##fn
  21 #else
  22 #define ____glue(name,fn)       name/**/fn
  23 #endif
  24 #define __glue(name,fn)         ____glue(name,fn)
  25
  26
  27
  28 /*
  29  *      Data Abort Model
  30  *      ================
  31  *
  32  *      We have the following to choose from:
  33  *        arm6          - ARM6 style
  34  *        arm7          - ARM7 style
  35  *        v4_early      - ARMv4 without Thumb early abort handler
  36  *        v4t_late      - ARMv4 with Thumb late abort handler
  37  *        v4t_early     - ARMv4 with Thumb early abort handler
  38  *        v5tej_early   - ARMv5 with Thumb and Java early abort handler
  39  *        xscale        - ARMv5 with Thumb with Xscale extensions
  40  *        v6_early      - ARMv6 generic early abort handler
  41  */
  42 #undef CPU_ABORT_HANDLER
  43 #undef MULTI_ABORT
  44
  45 #if defined(CONFIG_CPU_ARM610)
  46 # ifdef CPU_ABORT_HANDLER
  47 #  define MULTI_ABORT 1
  48 # else
  49 #  define CPU_ABORT_HANDLER cpu_arm6_data_abort
  50 # endif
  51 #endif
  52
  53 #if defined(CONFIG_CPU_ARM710)
  54 # ifdef CPU_ABORT_HANDLER
  55 #  define MULTI_ABORT 1
  56 # else
  57 #  define CPU_ABORT_HANDLER cpu_arm7_data_abort
  58 # endif
  59 #endif
  60
  61 #ifdef CONFIG_CPU_ABRT_LV4T
  62 # ifdef CPU_ABORT_HANDLER
  63 #  define MULTI_ABORT 1
  64 # else
  65 #  define CPU_ABORT_HANDLER v4t_late_abort
  66 # endif
  67 #endif
  68
  69 #ifdef CONFIG_CPU_ABRT_EV4
  70 # ifdef CPU_ABORT_HANDLER
  71 #  define MULTI_ABORT 1
  72 # else
  73 #  define CPU_ABORT_HANDLER v4_early_abort
  74 # endif
  75 #endif
  76
  77 #ifdef CONFIG_CPU_ABRT_EV4T
  78 # ifdef CPU_ABORT_HANDLER
  79 #  define MULTI_ABORT 1
  80 # else
  81 #  define CPU_ABORT_HANDLER v4t_early_abort
  82 # endif
  83 #endif
  84
  85 #ifdef CONFIG_CPU_ABRT_EV5TJ
  86 # ifdef CPU_ABORT_HANDLER
  87 #  define MULTI_ABORT 1
  88 # else
  89 #  define CPU_ABORT_HANDLER v5tj_early_abort
  90 # endif
  91 #endif
  92
  93 #ifdef CONFIG_CPU_ABRT_EV5T
  94 # ifdef CPU_ABORT_HANDLER
  95 #  define MULTI_ABORT 1
  96 # else
  97 #  define CPU_ABORT_HANDLER v5t_early_abort
  98 # endif
  99 #endif
 100
 101 #ifdef CONFIG_CPU_ABRT_EV6
 102 # ifdef CPU_ABORT_HANDLER
 103 #  define MULTI_ABORT 1
 104 # else
 105 #  define CPU_ABORT_HANDLER v6_early_abort
 106 # endif
 107 #endif
 108
 109 #ifndef CPU_ABORT_HANDLER
 110 #error Unknown data abort handler type
 111 #endif
 112
 113 #endif