a71ece51 |
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 | |
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 */ |