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_AT91         0
  49                 #define CPU_ARM_AT91SAM7S32  0
  50         #endif
  51
  52         #if defined(__ARM_AT91SAM7S64__)
  53                 #define CPU_ARM_AT91         1
  54                 #define CPU_ARM_AT91SAM7S64  1
  55         #else
  56                 #define CPU_ARM_AT91         0
  57                 #define CPU_ARM_AT91SAM7S64  0
  58         #endif
  59
  60         #if defined(__ARM_AT91SAM7S128__)
  61                 #define CPU_ARM_AT91         1
  62                 #define CPU_ARM_AT91SAM7S128 1
  63         #else
  64                 #define CPU_ARM_AT91         0
  65                 #define CPU_ARM_AT91SAM7S128 0
  66         #endif
  67
  68         #if defined(__ARM_AT91SAM7S256__)
  69                 #define CPU_ARM_AT91         1
  70                 #define CPU_ARM_AT91SAM7S256 1
  71         #else
  72                 #define CPU_ARM_AT91         0
  73                 #define CPU_ARM_AT91SAM7S256 0
  74         #endif
  75
  76         #if CPU_ARM_AT91SAM7S32 + CPU_ARM_AT91SAM7S64 \
  77           + CPU_ARM_AT91SAM7S128 + CPU_ARM_AT91SAM7S256 != 1
  78                 #error ARM CPU configuration error
  79         #endif
  80
  81         #if CPU_ARM_AT91 + 0 /* Add other ARM families here */ != 1
  82                 #error ARM CPU configuration error
  83         #endif
  84 #else
  85         #define CPU_ARM                 0
  86
  87         /* ARM Families */
  88         #define CPU_ARM_AT91            0
  89
  90         /* ARM CPUs */
  91         #define CPU_ARM_AT91SAM7S32     0
  92         #define CPU_ARM_AT91SAM7S64     0
  93         #define CPU_ARM_AT91SAM7S128    0
  94         #define CPU_ARM_AT91SAM7S256    0
  95 #endif
  96
  97 #if (defined(__IAR_SYSTEMS_ICC__) || defined(__IAR_SYSTEMS_ICC)) \
  98         && !defined(__ARM4TM__) /* IAR: if not ARM assume I196 */
  99         #warning Assuming CPU is I196
 100         #define CPU_I196                1
 101         #define CPU_ID                  i196
 102 #else
 103         #define CPU_I196                0
 104 #endif
 105
 106 #if defined(__i386__) /* GCC */ \
 107         || (defined(_M_IX86) && !defined(_WIN64)) /* MSVC */
 108         #define CPU_X86                 1
 109         #define CPU_X86_32              1
 110         #define CPU_X86_64              0
 111         #define CPU_ID                  x86
 112 #elif defined(__x86_64__) /* GCC */ \
 113         || (defined(_M_IX86) && defined(_WIN64)) /* MSVC */
 114         #define CPU_X86                 1
 115         #define CPU_X86_32              0
 116         #define CPU_X86_64              1
 117         #define CPU_ID                  x86
 118 #else
 119         #define CPU_X86                 0
 120         #define CPU_I386                0
 121         #define CPU_X86_64              0
 122 #endif
 123
 124 #if defined (_ARCH_PPC) || defined(_ARCH_PPC64)
 125         #define CPU_PPC                 1
 126         #define CPU_ID                  ppc
 127         #if defined(_ARCH_PPC)
 128                 #define CPU_PPC32       1
 129         #else
 130                 #define CPU_PPC32       0
 131         #endif
 132         #if defined(_ARCH_PPC64)
 133                 #define CPU_PPC64       1
 134         #else
 135                 #define CPU_PPC64       0
 136         #endif
 137 #else
 138         #define CPU_PPC                 0
 139         #define CPU_PPC32               0
 140         #define CPU_PPC64               0
 141 #endif
 142
 143 #if defined(__m56800E__) || defined(__m56800__)
 144         #define CPU_DSP56K              1
 145         #define CPU_ID                  dsp56k
 146 #else
 147         #define CPU_DSP56K              0
 148 #endif
 149
 150 #if defined (__AVR__)
 151         #define CPU_AVR                 1
 152         #define CPU_ID                  avr
 153
 154         #if defined(__AVR_ATmega64__)
 155                 #define CPU_AVR_ATMEGA64    1
 156         #else
 157                 #define CPU_AVR_ATMEGA64    0
 158         #endif
 159
 160         #if defined(__AVR_ATmega103__)
 161                 #define CPU_AVR_ATMEGA103   1
 162         #else
 163                 #define CPU_AVR_ATMEGA103   0
 164         #endif
 165
 166         #if defined(__AVR_ATmega128__)
 167                 #define CPU_AVR_ATMEGA128   1
 168         #else
 169                 #define CPU_AVR_ATMEGA128   0
 170         #endif
 171
 172         #if defined(__AVR_ATmega8__)
 173                 #define CPU_AVR_ATMEGA8     1
 174         #else
 175                 #define CPU_AVR_ATMEGA8     0
 176         #endif
 177
 178         #if defined(__AVR_ATmega168__)
 179                 #define CPU_AVR_ATMEGA168   1
 180         #else
 181                 #define CPU_AVR_ATMEGA168   0
 182         #endif
 183
 184         #if defined(__AVR_ATmega1281__)
 185                 #define CPU_AVR_ATMEGA1281  1
 186         #else
 187                 #define CPU_AVR_ATMEGA1281  0
 188         #endif
 189
 190         #if CPU_AVR_ATMEGA64 + CPU_AVR_ATMEGA103 + CPU_AVR_ATMEGA128 \
 191           + CPU_AVR_ATMEGA8 + CPU_AVR_ATMEGA168 + CPU_AVR_ATMEGA1281 != 1
 192                 #error AVR CPU configuration error
 193         #endif
 194 #else
 195         #define CPU_AVR                 0
 196         #define CPU_AVR_ATMEGA8         0
 197         #define CPU_AVR_ATMEGA168       0
 198         #define CPU_AVR_ATMEGA64        0
 199         #define CPU_AVR_ATMEGA103       0
 200         #define CPU_AVR_ATMEGA128       0
 201         #define CPU_AVR_ATMEGA1281      0
 202 #endif
 203
 204
 205 /* Self-check for the detection: only one CPU must be detected */
 206 #if CPU_ARM + CPU_I196 + CPU_X86 + CPU_PPC + CPU_DSP56K + CPU_AVR == 0
 207         #error Unknown CPU
 208 #elif !defined(CPU_ID)
 209         #error CPU_ID not defined
 210 #elif CPU_ARM + CPU_I196 + CPU_X86 + CPU_PPC + CPU_DSP56K + CPU_AVR != 1
 211         #error Internal CPU configuration error
 212 #endif
 213
 214
 215 #endif /* CPU_DETECT_H */