cpu/detect.h

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   2  * \file
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  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
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  19  *
  20  * As a special exception, you may use this file as part of a free software
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  24  * file does not by itself cause the resulting executable to be covered by
  25  * the GNU General Public License.  This exception does not however
  26  * invalidate any other reasons why the executable file might be covered by
  27  * the GNU General Public License.
  28  *
  29  * Copyright 2004, 2005, 2006, 2007 Develer S.r.l. (http://www.develer.com/)
  30  * Copyright 2004 Giovanni Bajo
  31  *
  32  * -->
  33  *
  34  * \brief CPU detection through special preprocessor macros
  35  */
  36 #ifndef CPU_DETECT_H
  37 #define CPU_DETECT_H
  38
  39 #if defined(__arm__) /* GCC */ \
  40         || defined(__ARM4TM__) /* IAR: defined for all cores >= 4tm */
  41         #define CPU_ARM                 1
  42         #define CPU_ID                  arm
  43
  44         #if defined(__ARM_AT91SAM7S32__)
  45                 #define CPU_ARM_AT91         1
  46                 #define CPU_ARM_AT91SAM7S32  1
  47         #else
  48                 #define CPU_ARM_AT91SAM7S32  0
  49         #endif
  50
  51         #if defined(__ARM_AT91SAM7S64__)
  52                 #define CPU_ARM_AT91         1
  53                 #define CPU_ARM_AT91SAM7S64  1
  54         #else
  55                 #define CPU_ARM_AT91SAM7S64  0
  56         #endif
  57
  58         #if defined(__ARM_AT91SAM7S128__)
  59                 #define CPU_ARM_AT91         1
  60                 #define CPU_ARM_AT91SAM7S128 1
  61         #else
  62                 #define CPU_ARM_AT91SAM7S128 0
  63         #endif
  64
  65         #if defined(__ARM_AT91SAM7S256__)
  66                 #define CPU_ARM_AT91         1
  67                 #define CPU_ARM_AT91SAM7S256 1
  68         #else
  69                 #define CPU_ARM_AT91SAM7S256 0
  70         #endif
  71
  72         #if defined(CPU_ARM_AT91)
  73                 #if CPU_ARM_AT91SAM7S32 + CPU_ARM_AT91SAM7S64 \
  74                 + CPU_ARM_AT91SAM7S128 + CPU_ARM_AT91SAM7S256 != 1
  75                         #error ARM CPU configuration error
  76                 #endif
  77         /* #elif Add other ARM families here */
  78         #else
  79                 #define CPU_ATM_AT91         0
  80         #endif
  81
  82
  83         #if CPU_ARM_AT91 + 0 /* Add other ARM families here */ != 1
  84                 #error ARM CPU configuration error
  85         #endif
  86 #else
  87         #define CPU_ARM                 0
  88
  89         /* ARM Families */
  90         #define CPU_ARM_AT91            0
  91
  92         /* ARM CPUs */
  93         #define CPU_ARM_AT91SAM7S32     0
  94         #define CPU_ARM_AT91SAM7S64     0
  95         #define CPU_ARM_AT91SAM7S128    0
  96         #define CPU_ARM_AT91SAM7S256    0
  97 #endif
  98
  99 #if (defined(__IAR_SYSTEMS_ICC__) || defined(__IAR_SYSTEMS_ICC)) \
 100         && !defined(__ARM4TM__) /* IAR: if not ARM assume I196 */
 101         #warning Assuming CPU is I196
 102         #define CPU_I196                1
 103         #define CPU_ID                  i196
 104 #else
 105         #define CPU_I196                0
 106 #endif
 107
 108 #if defined(__i386__) /* GCC */ \
 109         || (defined(_M_IX86) && !defined(_WIN64)) /* MSVC */
 110         #define CPU_X86                 1
 111         #define CPU_X86_32              1
 112         #define CPU_X86_64              0
 113         #define CPU_ID                  x86
 114 #elif defined(__x86_64__) /* GCC */ \
 115         || (defined(_M_IX86) && defined(_WIN64)) /* MSVC */
 116         #define CPU_X86                 1
 117         #define CPU_X86_32              0
 118         #define CPU_X86_64              1
 119         #define CPU_ID                  x86
 120 #else
 121         #define CPU_X86                 0
 122         #define CPU_I386                0
 123         #define CPU_X86_64              0
 124 #endif
 125
 126 #if defined (_ARCH_PPC) || defined(_ARCH_PPC64)
 127         #define CPU_PPC                 1
 128         #define CPU_ID                  ppc
 129         #if defined(_ARCH_PPC)
 130                 #define CPU_PPC32       1
 131         #else
 132                 #define CPU_PPC32       0
 133         #endif
 134         #if defined(_ARCH_PPC64)
 135                 #define CPU_PPC64       1
 136         #else
 137                 #define CPU_PPC64       0
 138         #endif
 139 #else
 140         #define CPU_PPC                 0
 141         #define CPU_PPC32               0
 142         #define CPU_PPC64               0
 143 #endif
 144
 145 #if defined(__m56800E__) || defined(__m56800__)
 146         #define CPU_DSP56K              1
 147         #define CPU_ID                  dsp56k
 148 #else
 149         #define CPU_DSP56K              0
 150 #endif
 151
 152 #if defined (__AVR__)
 153         #define CPU_AVR                 1
 154         #define CPU_ID                  avr
 155
 156         #if defined(__AVR_ATmega64__)
 157                 #define CPU_AVR_ATMEGA64    1
 158         #else
 159                 #define CPU_AVR_ATMEGA64    0
 160         #endif
 161
 162         #if defined(__AVR_ATmega103__)
 163                 #define CPU_AVR_ATMEGA103   1
 164         #else
 165                 #define CPU_AVR_ATMEGA103   0
 166         #endif
 167
 168         #if defined(__AVR_ATmega128__)
 169                 #define CPU_AVR_ATMEGA128   1
 170         #else
 171                 #define CPU_AVR_ATMEGA128   0
 172         #endif
 173
 174         #if defined(__AVR_ATmega8__)
 175                 #define CPU_AVR_ATMEGA8     1
 176         #else
 177                 #define CPU_AVR_ATMEGA8     0
 178         #endif
 179
 180         #if defined(__AVR_ATmega168__)
 181                 #define CPU_AVR_ATMEGA168   1
 182         #else
 183                 #define CPU_AVR_ATMEGA168   0
 184         #endif
 185
 186         #if defined(__AVR_ATmega1281__)
 187                 #define CPU_AVR_ATMEGA1281  1
 188         #else
 189                 #define CPU_AVR_ATMEGA1281  0
 190         #endif
 191
 192         #if CPU_AVR_ATMEGA64 + CPU_AVR_ATMEGA103 + CPU_AVR_ATMEGA128 \
 193           + CPU_AVR_ATMEGA8 + CPU_AVR_ATMEGA168 + CPU_AVR_ATMEGA1281 != 1
 194                 #error AVR CPU configuration error
 195         #endif
 196 #else
 197         #define CPU_AVR                 0
 198         #define CPU_AVR_ATMEGA8         0
 199         #define CPU_AVR_ATMEGA168       0
 200         #define CPU_AVR_ATMEGA64        0
 201         #define CPU_AVR_ATMEGA103       0
 202         #define CPU_AVR_ATMEGA128       0
 203         #define CPU_AVR_ATMEGA1281      0
 204 #endif
 205
 206
 207 /* Self-check for the detection: only one CPU must be detected */
 208 #if CPU_ARM + CPU_I196 + CPU_X86 + CPU_PPC + CPU_DSP56K + CPU_AVR == 0
 209         #error Unknown CPU
 210 #elif !defined(CPU_ID)
 211         #error CPU_ID not defined
 212 #elif CPU_ARM + CPU_I196 + CPU_X86 + CPU_PPC + CPU_DSP56K + CPU_AVR != 1
 213         #error Internal CPU configuration error
 214 #endif
 215
 216
 217 #endif /* CPU_DETECT_H */