| fe81b478 |
1 | /* config.h |
| 2 | * Greg Cook, 9/Apr/2015 |
| 3 | */ |
| 4 | |
| 5 | /* CRC RevEng, an arbitrary-precision CRC calculator and algorithm finder |
| 6 | * Copyright (C) 2010, 2011, 2012, 2013, 2014, 2015 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 <http://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 | |
| f46c3663 |
64 | #ifdef _WIN32 |
| 65 | #define PRESETS 1 // |
| 66 | #endif |
| 67 | |
| fe81b478 |
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 */ |
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