cfg/cpu_detect.h

   1 /**
   2  * \file
   3  * <!--
   4  * Copyright 2004, 2005 Develer S.r.l. (http://www.develer.com/)
   5  * Copyright 2004 Giovanni Bajo
   6  * This file is part of DevLib - See README.devlib for information.
   7  * -->
   8  *
   9  * \brief CPU detection through special preprocessor macros
  10  */
  11 #ifndef CPU_DETECT_H
  12 #define CPU_DETECT_H
  13
  14 #if defined(__arm__) /* GCC */ \
  15         || defined(__ARM4TM__) /* IAR: defined for all cores >= 4tm */
  16         #define CPU_ARM                 1
  17         #define CPU_ID                  arm
  18 #else
  19         #define CPU_ARM                 0
  20 #endif
  21
  22 #if (defined(__IAR_SYSTEMS_ICC__) || defined(__IAR_SYSTEMS_ICC)) \
  23         && !defined(__ARM4TM__) /* IAR: if not ARM assume I196 */
  24         #define CPU_I196                1
  25         #define CPU_ID                  i196
  26 #else
  27         #define CPU_I196                0
  28 #endif
  29
  30 #if defined(__i386__) /* GCC */ \
  31         || (defined(_M_IX86) && !defined(_WIN64)) /* MSVC */
  32         #define CPU_X86                 1
  33         #define CPU_X86_32              1
  34         #define CPU_X86_64              0
  35         #define CPU_ID                  x86
  36 #elif defined(__x86_64__) /* GCC */ \
  37         || (defined(_M_IX86) && defined(_WIN64)) /* MSVC */
  38         #define CPU_X86                 1
  39         #define CPU_X86_32              0
  40         #define CPU_X86_64              1
  41         #define CPU_ID                  x86
  42 #else
  43         #define CPU_X86                 0
  44         #define CPU_I386                0
  45         #define CPU_X86_64              0
  46 #endif
  47
  48 #if defined (_ARCH_PPC) || defined(_ARCH_PPC64)
  49         #define CPU_PPC                 1
  50         #define CPU_ID                  ppc
  51         #if defined(_ARCH_PPC)
  52                 #define CPU_PPC32       1
  53         #else
  54                 #define CPU_PPC32       0
  55         #endif
  56         #if defined(_ARCH_PPC64)
  57                 #define CPU_PPC64       1
  58         #else
  59                 #define CPU_PPC64       0
  60         #endif
  61 #else
  62         #define CPU_PPC                 0
  63         #define CPU_PPC32               0
  64         #define CPU_PPC64               0
  65 #endif
  66
  67 #if defined(__m56800E__) || defined(__m56800__)
  68         #define CPU_DSP56K              1
  69         #define CPU_ID                  dsp56k
  70 #else
  71         #define CPU_DSP56K              0
  72 #endif
  73
  74 #if defined (__AVR__)
  75         #define CPU_AVR                 1
  76         #define CPU_ID                  avr
  77
  78         #if defined(__AVR_ATmega64__)
  79                 #define CPU_AVR_ATMEGA64    1
  80         #else
  81                 #define CPU_AVR_ATMEGA64    0
  82         #endif
  83
  84         #if defined(__AVR_ATmega103__)
  85                 #define CPU_AVR_ATMEGA103   1
  86         #else
  87                 #define CPU_AVR_ATMEGA103   0
  88         #endif
  89
  90         #if defined(__AVR_ATmega128__)
  91                 #define CPU_AVR_ATMEGA128   1
  92         #else
  93                 #define CPU_AVR_ATMEGA128   0
  94         #endif
  95
  96         #if defined(__AVR_ATmega8__)
  97                 #define CPU_AVR_ATMEGA8     1
  98         #else
  99                 #define CPU_AVR_ATMEGA8     0
 100         #endif
 101
 102         #if defined(__AVR_ATmega168__)
 103                 #define CPU_AVR_ATMEGA168   1
 104         #else
 105                 #define CPU_AVR_ATMEGA168   0
 106         #endif
 107
 108         #if defined(__AVR_ATmega1281__)
 109                 #define CPU_AVR_ATMEGA1281  1
 110         #else
 111                 #define CPU_AVR_ATMEGA1281  0
 112         #endif
 113 #else
 114         #define CPU_AVR                 0
 115         #define CPU_AVR_ATMEGA8         0
 116         #define CPU_AVR_ATMEGA168       0
 117         #define CPU_AVR_ATMEGA64        0
 118         #define CPU_AVR_ATMEGA103       0
 119         #define CPU_AVR_ATMEGA128       0
 120         #define CPU_AVR_ATMEGA1281      0
 121 #endif
 122
 123
 124 /* Self-check for the detection: only one CPU must be detected */
 125 #if CPU_ARM + CPU_I196 + CPU_X86 + CPU_PPC + CPU_DSP56K + CPU_AVR == 0
 126         #error Unknown CPU
 127 #elif !defined(CPU_ID)
 128         #error CPU_ID not defined
 129 #elif CPU_ARM + CPU_I196 + CPU_X86 + CPU_PPC + CPU_DSP56K + CPU_AVR != 1
 130         #error Internal CPU configuration error
 131 #endif
 132
 133
 134 #endif /* CPU_DETECT_H */