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         #warning Assuming CPU is I196
  25         #define CPU_I196                1
  26         #define CPU_ID                  i196
  27 #else
  28         #define CPU_I196                0
  29 #endif
  30
  31 #if defined(__i386__) /* GCC */ \
  32         || (defined(_M_IX86) && !defined(_WIN64)) /* MSVC */
  33         #define CPU_X86                 1
  34         #define CPU_X86_32              1
  35         #define CPU_X86_64              0
  36         #define CPU_ID                  x86
  37 #elif defined(__x86_64__) /* GCC */ \
  38         || (defined(_M_IX86) && defined(_WIN64)) /* MSVC */
  39         #define CPU_X86                 1
  40         #define CPU_X86_32              0
  41         #define CPU_X86_64              1
  42         #define CPU_ID                  x86
  43 #else
  44         #define CPU_X86                 0
  45         #define CPU_I386                0
  46         #define CPU_X86_64              0
  47 #endif
  48
  49 #if defined (_ARCH_PPC) || defined(_ARCH_PPC64)
  50         #define CPU_PPC                 1
  51         #define CPU_ID                  ppc
  52         #if defined(_ARCH_PPC)
  53                 #define CPU_PPC32       1
  54         #else
  55                 #define CPU_PPC32       0
  56         #endif
  57         #if defined(_ARCH_PPC64)
  58                 #define CPU_PPC64       1
  59         #else
  60                 #define CPU_PPC64       0
  61         #endif
  62 #else
  63         #define CPU_PPC                 0
  64         #define CPU_PPC32               0
  65         #define CPU_PPC64               0
  66 #endif
  67
  68 #if defined(__m56800E__) || defined(__m56800__)
  69         #define CPU_DSP56K              1
  70         #define CPU_ID                  dsp56k
  71 #else
  72         #define CPU_DSP56K              0
  73 #endif
  74
  75 #if defined (__AVR__)
  76         #define CPU_AVR                 1
  77         #define CPU_ID                  avr
  78
  79         #if defined(__AVR_ATmega64__)
  80                 #define CPU_AVR_ATMEGA64    1
  81         #else
  82                 #define CPU_AVR_ATMEGA64    0
  83         #endif
  84
  85         #if defined(__AVR_ATmega103__)
  86                 #define CPU_AVR_ATMEGA103   1
  87         #else
  88                 #define CPU_AVR_ATMEGA103   0
  89         #endif
  90
  91         #if defined(__AVR_ATmega128__)
  92                 #define CPU_AVR_ATMEGA128   1
  93         #else
  94                 #define CPU_AVR_ATMEGA128   0
  95         #endif
  96
  97         #if defined(__AVR_ATmega8__)
  98                 #define CPU_AVR_ATMEGA8     1
  99         #else
 100                 #define CPU_AVR_ATMEGA8     0
 101         #endif
 102
 103         #if defined(__AVR_ATmega168__)
 104                 #define CPU_AVR_ATMEGA168   1
 105         #else
 106                 #define CPU_AVR_ATMEGA168   0
 107         #endif
 108
 109         #if defined(__AVR_ATmega1281__)
 110                 #define CPU_AVR_ATMEGA1281  1
 111         #else
 112                 #define CPU_AVR_ATMEGA1281  0
 113         #endif
 114 #else
 115         #define CPU_AVR                 0
 116         #define CPU_AVR_ATMEGA8         0
 117         #define CPU_AVR_ATMEGA168       0
 118         #define CPU_AVR_ATMEGA64        0
 119         #define CPU_AVR_ATMEGA103       0
 120         #define CPU_AVR_ATMEGA128       0
 121         #define CPU_AVR_ATMEGA1281      0
 122 #endif
 123
 124
 125 /* Self-check for the detection: only one CPU must be detected */
 126 #if CPU_ARM + CPU_I196 + CPU_X86 + CPU_PPC + CPU_DSP56K + CPU_AVR == 0
 127         #error Unknown CPU
 128 #elif !defined(CPU_ID)
 129         #error CPU_ID not defined
 130 #elif CPU_ARM + CPU_I196 + CPU_X86 + CPU_PPC + CPU_DSP56K + CPU_AVR != 1
 131         #error Internal CPU configuration error
 132 #endif
 133
 134
 135 #endif /* CPU_DETECT_H */