File : iron.ads
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2 ------------------------------------------------------------------------------
3 -- This file is part of 'Finite Field Arithmetic', aka 'FFA'. --
4 -- --
5 -- (C) 2018 Stanislav Datskovskiy ( www.loper-os.org ) --
6 -- http://wot.deedbot.org/17215D118B7239507FAFED98B98228A001ABFFC7.html --
7 -- --
8 -- You do not have, nor can you ever acquire the right to use, copy or --
9 -- distribute this software ; Should you use this software for any purpose, --
10 -- or copy and distribute it to anyone or in any manner, you are breaking --
11 -- the laws of whatever soi-disant jurisdiction, and you promise to --
12 -- continue doing so for the indefinite future. In any case, please --
13 -- always : read and understand any software ; verify any PGP signatures --
14 -- that you use - for any purpose. --
15 -- --
16 -- See also http://trilema.com/2015/a-new-software-licensing-paradigm . --
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18 ------------------------------------------------------------------------------
19
20 package Iron is
21
22 pragma Pure;
23
24 --------------------------------------
25 -------- For a 64-bit system: --------
26 --------------------------------------
27 MachineBitness : constant Positive := 64;
28 MachineBitnessLog2 : constant Positive := 6; -- log2(64)
29 --------------------------------------
30
31 --------------------------------------
32 -------- For a 32-bit system: --------
33 --------------------------------------
34 -- MachineBitness : constant Positive := 32;
35 -- MachineBitnessLog2 : constant Positive := 5; -- log2(32)
36 --------------------------------------
37
38 -- Bits per Byte
39 ByteBits : constant Positive := 8;
40
41 -- Whether we have a barrel shifter:
42 HaveBarrelShifter : constant Boolean := True;
43
44 end Iron;