git.zerfleddert.de Git - proxmark3-svn/blob - client/reveng/config.h

   1 /* config.h
   2  * Greg Cook, 27/Jun/2016
   3  */
   4
   5 /* CRC RevEng: arbitrary-precision CRC calculator and algorithm finder
   6  * Copyright (C) 2010, 2011, 2012, 2013, 2014, 2015, 2016  Gregory Cook
   7  *
   8  * This file is part of CRC RevEng.
   9  *
  10  * CRC RevEng is free software: you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License as published by
  12  * the Free Software Foundation, either version 3 of the License, or
  13  * (at your option) any later version.
  14  *
  15  * CRC RevEng is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  * GNU General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License
  21  * along with CRC RevEng.  If not, see <https://www.gnu.org/licenses/>.
  22  */
  23
  24 #ifndef CONFIG_H
  25 #define CONFIG_H 1
  26
  27 /*****************************************
  28  *                                       *
  29  *  Start of user configuration options  *
  30  *                                       *
  31  *****************************************/
  32
  33 /* A type to contain polynomial coefficient bitmaps.
  34  * Can be changed to 'unsigned long long' for some extended compilers.
  35  * Adjust BMP_C(), BMP_BIT and BMP_SUB below if this is changed.
  36  */
  37
  38 #define BMP_T unsigned long
  39
  40 /* Creates an appropriate numeric constant for bmp_t.
  41  * If the underlying type is 'unsigned long long', change UL to ULL.
  42  */
  43
  44 #define BMP_C(n) (n##UL)
  45
  46 /* Define BMPMACRO to turn the definitions of the size of a bmp_t into
  47  * compile-time constants.  This improves efficiency but makes the code
  48  * platform-specific.
  49  */
  50
  51 /* #define BMPMACRO 1 */
  52
  53 /* Some enterprise users may wish to disable the -F switch to minimise CPU
  54  * usage.  To do this, define the macro NOFORCE.
  55  */
  56
  57 /* #define NOFORCE  1 */
  58
  59 /* Define PRESETS to compile CRC RevEng with the preset models from the
  60  * CRC Catalogue.  This implies BMPMACRO and so makes the code platform-
  61  * specific.
  62  */
  63
  64 #ifdef _WIN32
  65  #define PRESETS  1 //
  66 #endif
  67
  68
  69 /* Macros defining the size of a bmp_t.
  70  * Their values only matter if PRESETS and/or BMPMACRO are defined, in
  71  * which case edit the macros below to suit your architecture.
  72  * Otherwise, BMP_BIT and BMP_SUB will be redefined as aliases of bmpbit
  73  * and bmpsub, global objects initialised at run time.
  74  */
  75
  76 /* Size in bits of a bmp_t.  Not necessarily a power of two. */
  77
  78 #define BMP_BIT   32
  79
  80 /* The highest power of two that is strictly less than BMP_BIT.
  81  * Initialises the index of a binary search for set bits in a bmp_t.
  82  */
  83
  84 #define BMP_SUB   16
  85
  86 /*****************************************
  87  *                                       *
  88  *   End of user configuration options   *
  89  *                                       *
  90  *****************************************/
  91
  92 #endif /* CONFIG_H */