include/sys/isa_defs.h

   1 #ifndef _SPL_ISA_DEFS_H
   2 #define _SPL_ISA_DEFS_H
   3
   4 #ifdef  __cplusplus
   5 extern "C" {
   6 #endif
   7
   8 /* x86_64 arch specific defines */
   9 #if defined(__x86_64) || defined(__x86_64__)
  10
  11 #if !defined(__x86_64)
  12 #define __x86_64
  13 #endif
  14
  15 #if !defined(__amd64)
  16 #define __amd64
  17 #endif
  18
  19 #if !defined(__x86)
  20 #define __x86
  21 #endif
  22
  23 #if !defined(_LP64)
  24 #define _LP64
  25 #endif
  26
  27 /* i386 arch specific defines */
  28 #elif defined(__i386) || defined(__i386__)
  29
  30 #if !defined(__i386)
  31 #define __i386
  32 #endif
  33
  34 #if !defined(__x86)
  35 #define __x86
  36 #endif
  37
  38 #if !defined(_ILP32)
  39 #define _ILP32
  40 #endif
  41
  42 /* powerpc (ppc64) arch specific defines */
  43 #elif defined(__powerpc) || defined(__powerpc__)
  44
  45 #if !defined(__powerpc)
  46 #define __powerpc
  47 #endif
  48
  49 #if !defined(__powerpc__)
  50 #define __powerpc__
  51 #endif
  52
  53 #if !defined(_LP64)
  54 #define _LP64
  55 #endif
  56
  57 #else /* Currently only x86_64, i386, and powerpc arches supported */
  58 #error "Unsupported ISA type"
  59 #endif
  60
  61 #if defined(_ILP32) && defined(_LP64)
  62 #error "Both _ILP32 and _LP64 are defined"
  63 #endif
  64
  65 #include <sys/byteorder.h>
  66
  67 #if defined(__LITTLE_ENDIAN) && !defined(_LITTLE_ENDIAN)
  68 #define _LITTLE_ENDIAN __LITTLE_ENDIAN
  69 #endif
  70
  71 #if defined(__BIG_ENDIAN) && !defined(_BIG_ENDIAN)
  72 #define _BIG_ENDIAN __BIG_ENDIAN
  73 #endif
  74
  75 #if defined(_LITTLE_ENDIAN) && defined(_BIG_ENDIAN)
  76 #error "Both _LITTLE_ENDIAN and _BIG_ENDIAN are defined"
  77 #endif
  78
  79 #if !defined(_LITTLE_ENDIAN) && !defined(_BIG_ENDIAN)
  80 #error "Neither _LITTLE_ENDIAN or _BIG_ENDIAN are defined"
  81 #endif
  82
  83 #ifdef  __cplusplus
  84 }
  85 #endif
  86
  87 #endif  /* _SPL_ISA_DEFS_H */