OpenCores
URL https://opencores.org/ocsvn/thor/thor/trunk

Subversion Repositories thor

[/] [thor/] [trunk/] [FT64v5/] [rtl/] [common/] [FT64_BMM.v] - Blame information for rev 48

Details | Compare with Previous | View Log

Line No. Rev Author Line
1 48 robfinch 
// ============================================================================
2 
//        __
3 
//   \\__/ o\    (C) 2017  Robert Finch, Waterloo
4 
//    \  __ /    All rights reserved.
5 
//     \/_//     robfinch<remove>@finitron.ca
6 
//       ||
7 
//
8 
//      FT64_BMM.v
9 
//
10 
// This source file is free software: you can redistribute it and/or modify
11 
// it under the terms of the GNU Lesser General Public License as published
12 
// by the Free Software Foundation, either version 3 of the License, or
13 
// (at your option) any later version.
14 
//
15 
// This source file 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 this program.  If not, see <http://www.gnu.org/licenses/>.
22 
//
23 
// ============================================================================
24 
//
25 
module FT64_BMM(op,a,b,o);
26 
parameter DBW=64;
27 
parameter N=7;
28 
input op;       // 0 = MOR, 1 = MXOR
29 
input [DBW-1:0] a;
30 
input [DBW-1:0] b;
31 
output reg [DBW-1:0] o;
32 
 
33 
integer n,i,j;
34 
reg omor[0:N][0:N];
35 
reg omxor[0:N][0:N];
36 
reg am[0:N][0:N];
37 
reg bm[0:N][0:N];
38 
 
39 
always @*
40 
for (i = 0; i <= N; i = i + 1) begin
41 
        for (j = 0; j <= N; j = j + 1) begin
42 
                am[i][j] = a[(N-i)*(N+1)+(N-j)];
43 
                bm[i][j] = b[(N-i)*(N+1)+(N-j)];
44 
        end
45 
end
46 
 
47 
always @*
48 
for (i = 0; i <= N; i = i + 1) begin
49 
        for (j = 0; j <= N; j = j + 1) begin
50 
                omor[i][j] =
51 
                                 (am[i][0]&bm[0][j])
52 
                                |(am[i][1]&bm[1][j])
53 
                                |(am[i][2]&bm[2][j])
54 
                                |(am[i][3]&bm[3][j])
55 
                                |(am[i][4]&bm[4][j])
56 
                                |(am[i][5]&bm[5][j])
57 
                                |(am[i][6]&bm[6][j])
58 
                                |(am[i][7]&bm[7][j]);
59 
                omxor[i][j] =
60 
                                 (am[i][0]&bm[0][j])
61 
                                ^(am[i][1]&bm[1][j])
62 
                                ^(am[i][2]&bm[2][j])
63 
                                ^(am[i][3]&bm[3][j])
64 
                                ^(am[i][4]&bm[4][j])
65 
                                ^(am[i][5]&bm[5][j])
66 
                                ^(am[i][6]&bm[6][j])
67 
                                ^(am[i][7]&bm[7][j]);
68 
        end
69 
end
70 
 
71 
always @*
72 
case (op)
73 
1'b0:   begin
74 
                for (i = 0; i <= N; i = i + 1)
75 
                for (j = 0; j <= N; j = j + 1)
76 
                        o[(N-i)*(N+1)+(N-j)] = omor[i][j];
77 
        end
78 
1'b1:   begin
79 
                for (i = 0; i <= N; i = i + 1)
80 
                for (j = 0; j <= N; j = j + 1)
81 
                        o[(N-i)*(N+1)+(N-j)] = omxor[i][j];
82 
        end
83 
endcase
84 
 
85 
endmodule

powered by: WebSVN 2.1.0

© copyright 1999-2024 OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.