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 /* sparse? */
  15 #ifdef __CHECKER__
  16         /* Any random CPU will do */
  17         #define __arm__
  18 #endif
  19
  20 #if defined(__arm__) /* GCC */ \
  21         || defined(__ARM4TM__) /* IAR: defined for all cores >= 4tm */
  22         #define CPU_ARM                 1
  23         #define CPU_ID                  arm
  24 #else
  25         #define CPU_ARM                 0
  26 #endif
  27
  28 #if (defined(__IAR_SYSTEMS_ICC__) || defined(__IAR_SYSTEMS_ICC)) \
  29         && !defined(__ARM4TM__) /* IAR: if not ARM assume I196 */
  30         #define CPU_I196                1
  31         #define CPU_ID                  i196
  32 #else
  33         #define CPU_I196                0
  34 #endif
  35
  36 #if defined(__i386__) /* GCC */ \
  37         || (defined(_M_IX86) && !defined(_WIN64)) /* MSVC */
  38         #define CPU_X86                 1
  39         #define CPU_X86_32              1
  40         #define CPU_X86_64              0
  41         #define CPU_ID                  x86
  42 #elif defined(__x86_64__) /* GCC */ \
  43         || (defined(_M_IX86) && defined(_WIN64)) /* MSVC */
  44         #define CPU_X86                 1
  45         #define CPU_X86_32              0
  46         #define CPU_X86_64              1
  47         #define CPU_ID                  x86
  48 #else
  49         #define CPU_X86                 0
  50         #define CPU_I386                0
  51         #define CPU_X86_64              0
  52 #endif
  53
  54 #if defined (_ARCH_PPC) || defined(_ARCH_PPC64)
  55         #define CPU_PPC                 1
  56         #define CPU_ID                  ppc
  57         #if defined(_ARCH_PPC)
  58                 #define CPU_PPC32       1
  59         #else
  60                 #define CPU_PPC32       0
  61         #endif
  62         #if defined(_ARCH_PPC64)
  63                 #define CPU_PPC64       1
  64         #else
  65                 #define CPU_PPC64       0
  66         #endif
  67 #else
  68         #define CPU_PPC                 0
  69         #define CPU_PPC32               0
  70         #define CPU_PPC64               0
  71 #endif
  72
  73 #if defined(__m56800E__) || defined(__m56800__)
  74         #define CPU_DSP56K              1
  75         #define CPU_ID                  dsp56k
  76 #else
  77         #define CPU_DSP56K              0
  78 #endif
  79
  80 #if defined (__AVR__)
  81         #define CPU_AVR                 1
  82         #define CPU_ID                  avr
  83
  84         #if defined(__AVR_ATmega64__)
  85                 #define CPU_AVR_ATMEGA64    1
  86         #else
  87                 #define CPU_AVR_ATMEGA64    0
  88         #endif
  89
  90         #if defined(__AVR_ATmega103__)
  91                 #define CPU_AVR_ATMEGA103   1
  92         #else
  93                 #define CPU_AVR_ATMEGA103   0
  94         #endif
  95
  96         #if defined(__AVR_ATmega128__)
  97                 #define CPU_AVR_ATMEGA128   1
  98         #else
  99                 #define CPU_AVR_ATMEGA128   0
 100         #endif
 101
 102         #if defined(__AVR_ATmega8__)
 103                 #define CPU_AVR_ATMEGA8     1
 104         #else
 105                 #define CPU_AVR_ATMEGA8     0
 106         #endif
 107
 108         #if defined(__AVR_ATmega168__)
 109                 #define CPU_AVR_ATMEGA168   1
 110         #else
 111                 #define CPU_AVR_ATMEGA168   0
 112         #endif
 113
 114         #if defined(__AVR_ATmega1281__)
 115                 #define CPU_AVR_ATMEGA1281  1
 116         #else
 117                 #define CPU_AVR_ATMEGA1281  0
 118         #endif
 119 #else
 120         #define CPU_AVR                 0
 121         #define CPU_AVR_ATMEGA8         0
 122         #define CPU_AVR_ATMEGA168       0
 123         #define CPU_AVR_ATMEGA64        0
 124         #define CPU_AVR_ATMEGA103       0
 125         #define CPU_AVR_ATMEGA128       0
 126         #define CPU_AVR_ATMEGA1281      0
 127 #endif
 128
 129
 130 /* Self-check for the detection: only one CPU must be detected */
 131 #if CPU_ARM + CPU_I196 + CPU_X86 + CPU_PPC + CPU_DSP56K + CPU_AVR == 0
 132         #error Unknown CPU
 133 #elif !defined(CPU_ID)
 134         #error CPU_ID not defined
 135 #elif CPU_ARM + CPU_I196 + CPU_X86 + CPU_PPC + CPU_DSP56K + CPU_AVR != 1
 136         #error Internal CPU configuration error
 137 #endif
 138
 139
 140 #endif /* CPU_DETECT_H */