| ////////////////////////////////////////////////////////////////// |
| // // |
| // Debug Functions // |
| // // |
| // This file is part of the Amber project // |
| // http://www.opencores.org/project,amber // |
| // // |
| // Description // |
| // A bunch of non-synthesizable testbench functions // |
| // // |
| // Author(s): // |
| // - Conor Santifort, csantifort.amber@gmail.com // |
| // // |
| ////////////////////////////////////////////////////////////////// |
| // // |
| // Copyright (C) 2010 Authors and OPENCORES.ORG // |
| // // |
| // This source file may be used and distributed without // |
| // restriction provided that this copyright statement is not // |
| // removed from the file and that any derivative work contains // |
| // the original copyright notice and the associated disclaimer. // |
| // // |
| // This source file is free software; you can redistribute it // |
| // and/or modify it under the terms of the GNU Lesser General // |
| // Public License as published by the Free Software Foundation; // |
| // either version 2.1 of the License, or (at your option) any // |
| // later version. // |
| // // |
| // This source is distributed in the hope that it will be // |
| // useful, but WITHOUT ANY WARRANTY; without even the implied // |
| // warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR // |
| // PURPOSE. See the GNU Lesser General Public License for more // |
| // details. // |
| // // |
| // You should have received a copy of the GNU Lesser General // |
| // Public License along with this source; if not, download it // |
| // from http://www.opencores.org/lgpl.shtml // |
| // // |
| ////////////////////////////////////////////////////////////////// |
| |
| // Testbench Functions used in more than one module |
| |
| |
| function [31:0] hex_chars_to_32bits; |
| input [8*8-1:0] hex_chars; |
| begin |
| hex_chars_to_32bits[31:28] = hex_chars_to_4bits (hex_chars[8*8-1:7*8]); |
| hex_chars_to_32bits[27:24] = hex_chars_to_4bits (hex_chars[7*8-1:6*8]); |
| hex_chars_to_32bits[23:20] = hex_chars_to_4bits (hex_chars[6*8-1:5*8]); |
| hex_chars_to_32bits[19:16] = hex_chars_to_4bits (hex_chars[5*8-1:4*8]); |
| hex_chars_to_32bits[15:12] = hex_chars_to_4bits (hex_chars[4*8-1:3*8]); |
| hex_chars_to_32bits[11: 8] = hex_chars_to_4bits (hex_chars[3*8-1:2*8]); |
| hex_chars_to_32bits[ 7: 4] = hex_chars_to_4bits (hex_chars[2*8-1:1*8]); |
| hex_chars_to_32bits[ 3: 0] = hex_chars_to_4bits (hex_chars[1*8-1: 0]); |
| end |
| endfunction |
| |
| |
| function [7:0] hex_chars_to_8bits; |
| input [8*2-1:0] hex_chars; |
| begin |
| hex_chars_to_8bits[ 7: 4] = hex_chars_to_4bits (hex_chars[2*8-1:1*8]); |
| hex_chars_to_8bits[ 3: 0] = hex_chars_to_4bits (hex_chars[1*8-1: 0]); |
| end |
| endfunction |
| |
| |
| function [3:0] hex_chars_to_4bits; |
| input [7:0] hex_chars; |
| begin |
| case (hex_chars) |
| "0" : hex_chars_to_4bits = 4'h0; |
| "1" : hex_chars_to_4bits = 4'h1; |
| "2" : hex_chars_to_4bits = 4'h2; |
| "3" : hex_chars_to_4bits = 4'h3; |
| "4" : hex_chars_to_4bits = 4'h4; |
| "5" : hex_chars_to_4bits = 4'h5; |
| "6" : hex_chars_to_4bits = 4'h6; |
| "7" : hex_chars_to_4bits = 4'h7; |
| "8" : hex_chars_to_4bits = 4'h8; |
| "9" : hex_chars_to_4bits = 4'h9; |
| "a" : hex_chars_to_4bits = 4'ha; |
| "b" : hex_chars_to_4bits = 4'hb; |
| "c" : hex_chars_to_4bits = 4'hc; |
| "d" : hex_chars_to_4bits = 4'hd; |
| "e" : hex_chars_to_4bits = 4'he; |
| "f" : hex_chars_to_4bits = 4'hf; |
| "A" : hex_chars_to_4bits = 4'ha; |
| "B" : hex_chars_to_4bits = 4'hb; |
| "C" : hex_chars_to_4bits = 4'hc; |
| "D" : hex_chars_to_4bits = 4'hd; |
| "E" : hex_chars_to_4bits = 4'he; |
| "F" : hex_chars_to_4bits = 4'hf; |
| endcase |
| end |
| endfunction |
| |
| |
| function [120*8-1:0] align_line; |
| input [120*8-1:0] line; |
| begin |
| case (1'd1) |
| line[1 *8-1: 0] == 8'd0 : align_line = 960'd0; |
| line[2 *8-1:1 *8] == 8'd0 : align_line = {line[1 *8-1: 0], 952'd0}; |
| line[3 *8-1:2 *8] == 8'd0 : align_line = {line[2 *8-1: 0], 944'd0}; |
| line[4 *8-1:3 *8] == 8'd0 : align_line = {line[3 *8-1: 0], 936'd0}; |
| line[5 *8-1:4 *8] == 8'd0 : align_line = {line[4 *8-1: 0], 928'd0}; |
| line[6 *8-1:5 *8] == 8'd0 : align_line = {line[5 *8-1: 0], 920'd0}; |
| line[7 *8-1:6 *8] == 8'd0 : align_line = {line[6 *8-1: 0], 912'd0}; |
| line[8 *8-1:7 *8] == 8'd0 : align_line = {line[7 *8-1: 0], 904'd0}; |
| line[9 *8-1:8 *8] == 8'd0 : align_line = {line[8 *8-1: 0], 896'd0}; |
| line[10 *8-1:9 *8] == 8'd0 : align_line = {line[9 *8-1: 0], 888'd0}; |
| line[11 *8-1:10 *8] == 8'd0 : align_line = {line[10 *8-1: 0], 880'd0}; |
| line[12 *8-1:11 *8] == 8'd0 : align_line = {line[11 *8-1: 0], 872'd0}; |
| line[13 *8-1:12 *8] == 8'd0 : align_line = {line[12 *8-1: 0], 864'd0}; |
| line[14 *8-1:13 *8] == 8'd0 : align_line = {line[13 *8-1: 0], 856'd0}; |
| line[15 *8-1:14 *8] == 8'd0 : align_line = {line[14 *8-1: 0], 848'd0}; |
| line[16 *8-1:15 *8] == 8'd0 : align_line = {line[15 *8-1: 0], 840'd0}; |
| line[17 *8-1:16 *8] == 8'd0 : align_line = {line[16 *8-1: 0], 832'd0}; |
| line[18 *8-1:17 *8] == 8'd0 : align_line = {line[17 *8-1: 0], 824'd0}; |
| line[19 *8-1:18 *8] == 8'd0 : align_line = {line[18 *8-1: 0], 816'd0}; |
| line[20 *8-1:19 *8] == 8'd0 : align_line = {line[19 *8-1: 0], 808'd0}; |
| line[21 *8-1:20 *8] == 8'd0 : align_line = {line[20 *8-1: 0], 800'd0}; |
| line[22 *8-1:21 *8] == 8'd0 : align_line = {line[21 *8-1: 0], 792'd0}; |
| line[23 *8-1:22 *8] == 8'd0 : align_line = {line[22 *8-1: 0], 784'd0}; |
| line[24 *8-1:23 *8] == 8'd0 : align_line = {line[23 *8-1: 0], 776'd0}; |
| line[25 *8-1:24 *8] == 8'd0 : align_line = {line[24 *8-1: 0], 768'd0}; |
| line[26 *8-1:25 *8] == 8'd0 : align_line = {line[25 *8-1: 0], 760'd0}; |
| line[27 *8-1:26 *8] == 8'd0 : align_line = {line[26 *8-1: 0], 752'd0}; |
| line[28 *8-1:27 *8] == 8'd0 : align_line = {line[27 *8-1: 0], 744'd0}; |
| line[29 *8-1:28 *8] == 8'd0 : align_line = {line[28 *8-1: 0], 736'd0}; |
| line[30 *8-1:29 *8] == 8'd0 : align_line = {line[29 *8-1: 0], 728'd0}; |
| line[31 *8-1:30 *8] == 8'd0 : align_line = {line[30 *8-1: 0], 720'd0}; |
| line[32 *8-1:31 *8] == 8'd0 : align_line = {line[31 *8-1: 0], 712'd0}; |
| line[33 *8-1:32 *8] == 8'd0 : align_line = {line[32 *8-1: 0], 704'd0}; |
| line[34 *8-1:33 *8] == 8'd0 : align_line = {line[33 *8-1: 0], 696'd0}; |
| line[35 *8-1:34 *8] == 8'd0 : align_line = {line[34 *8-1: 0], 688'd0}; |
| line[36 *8-1:35 *8] == 8'd0 : align_line = {line[35 *8-1: 0], 680'd0}; |
| line[37 *8-1:36 *8] == 8'd0 : align_line = {line[36 *8-1: 0], 672'd0}; |
| line[38 *8-1:37 *8] == 8'd0 : align_line = {line[37 *8-1: 0], 664'd0}; |
| line[39 *8-1:38 *8] == 8'd0 : align_line = {line[38 *8-1: 0], 656'd0}; |
| line[40 *8-1:39 *8] == 8'd0 : align_line = {line[39 *8-1: 0], 648'd0}; |
| line[41 *8-1:40 *8] == 8'd0 : align_line = {line[40 *8-1: 0], 640'd0}; |
| line[42 *8-1:41 *8] == 8'd0 : align_line = {line[41 *8-1: 0], 632'd0}; |
| line[43 *8-1:42 *8] == 8'd0 : align_line = {line[42 *8-1: 0], 624'd0}; |
| line[44 *8-1:43 *8] == 8'd0 : align_line = {line[43 *8-1: 0], 616'd0}; |
| line[45 *8-1:44 *8] == 8'd0 : align_line = {line[44 *8-1: 0], 608'd0}; |
| line[46 *8-1:45 *8] == 8'd0 : align_line = {line[45 *8-1: 0], 600'd0}; |
| line[47 *8-1:46 *8] == 8'd0 : align_line = {line[46 *8-1: 0], 592'd0}; |
| line[48 *8-1:47 *8] == 8'd0 : align_line = {line[47 *8-1: 0], 584'd0}; |
| line[49 *8-1:48 *8] == 8'd0 : align_line = {line[48 *8-1: 0], 576'd0}; |
| line[50 *8-1:49 *8] == 8'd0 : align_line = {line[49 *8-1: 0], 568'd0}; |
| line[51 *8-1:50 *8] == 8'd0 : align_line = {line[50 *8-1: 0], 560'd0}; |
| line[52 *8-1:51 *8] == 8'd0 : align_line = {line[51 *8-1: 0], 552'd0}; |
| line[53 *8-1:52 *8] == 8'd0 : align_line = {line[52 *8-1: 0], 544'd0}; |
| line[54 *8-1:53 *8] == 8'd0 : align_line = {line[53 *8-1: 0], 536'd0}; |
| line[55 *8-1:54 *8] == 8'd0 : align_line = {line[54 *8-1: 0], 528'd0}; |
| line[56 *8-1:55 *8] == 8'd0 : align_line = {line[55 *8-1: 0], 520'd0}; |
| line[57 *8-1:56 *8] == 8'd0 : align_line = {line[56 *8-1: 0], 512'd0}; |
| line[58 *8-1:57 *8] == 8'd0 : align_line = {line[57 *8-1: 0], 504'd0}; |
| line[59 *8-1:58 *8] == 8'd0 : align_line = {line[58 *8-1: 0], 496'd0}; |
| line[60 *8-1:59 *8] == 8'd0 : align_line = {line[59 *8-1: 0], 488'd0}; |
| line[61 *8-1:60 *8] == 8'd0 : align_line = {line[60 *8-1: 0], 480'd0}; |
| line[62 *8-1:61 *8] == 8'd0 : align_line = {line[61 *8-1: 0], 472'd0}; |
| line[63 *8-1:62 *8] == 8'd0 : align_line = {line[62 *8-1: 0], 464'd0}; |
| line[64 *8-1:63 *8] == 8'd0 : align_line = {line[63 *8-1: 0], 456'd0}; |
| line[65 *8-1:64 *8] == 8'd0 : align_line = {line[64 *8-1: 0], 448'd0}; |
| line[66 *8-1:65 *8] == 8'd0 : align_line = {line[65 *8-1: 0], 440'd0}; |
| line[67 *8-1:66 *8] == 8'd0 : align_line = {line[66 *8-1: 0], 432'd0}; |
| line[68 *8-1:67 *8] == 8'd0 : align_line = {line[67 *8-1: 0], 424'd0}; |
| line[69 *8-1:68 *8] == 8'd0 : align_line = {line[68 *8-1: 0], 416'd0}; |
| line[70 *8-1:69 *8] == 8'd0 : align_line = {line[69 *8-1: 0], 408'd0}; |
| line[71 *8-1:70 *8] == 8'd0 : align_line = {line[70 *8-1: 0], 400'd0}; |
| line[72 *8-1:71 *8] == 8'd0 : align_line = {line[71 *8-1: 0], 392'd0}; |
| line[73 *8-1:72 *8] == 8'd0 : align_line = {line[72 *8-1: 0], 384'd0}; |
| line[74 *8-1:73 *8] == 8'd0 : align_line = {line[73 *8-1: 0], 376'd0}; |
| line[75 *8-1:74 *8] == 8'd0 : align_line = {line[74 *8-1: 0], 368'd0}; |
| line[76 *8-1:75 *8] == 8'd0 : align_line = {line[75 *8-1: 0], 360'd0}; |
| line[77 *8-1:76 *8] == 8'd0 : align_line = {line[76 *8-1: 0], 352'd0}; |
| line[78 *8-1:77 *8] == 8'd0 : align_line = {line[77 *8-1: 0], 344'd0}; |
| line[79 *8-1:78 *8] == 8'd0 : align_line = {line[78 *8-1: 0], 336'd0}; |
| line[80 *8-1:79 *8] == 8'd0 : align_line = {line[79 *8-1: 0], 328'd0}; |
| line[81 *8-1:80 *8] == 8'd0 : align_line = {line[80 *8-1: 0], 320'd0}; |
| line[82 *8-1:81 *8] == 8'd0 : align_line = {line[81 *8-1: 0], 312'd0}; |
| line[83 *8-1:82 *8] == 8'd0 : align_line = {line[82 *8-1: 0], 304'd0}; |
| line[84 *8-1:83 *8] == 8'd0 : align_line = {line[83 *8-1: 0], 296'd0}; |
| line[85 *8-1:84 *8] == 8'd0 : align_line = {line[84 *8-1: 0], 288'd0}; |
| line[86 *8-1:85 *8] == 8'd0 : align_line = {line[85 *8-1: 0], 280'd0}; |
| line[87 *8-1:86 *8] == 8'd0 : align_line = {line[86 *8-1: 0], 272'd0}; |
| line[88 *8-1:87 *8] == 8'd0 : align_line = {line[87 *8-1: 0], 264'd0}; |
| line[89 *8-1:88 *8] == 8'd0 : align_line = {line[88 *8-1: 0], 256'd0}; |
| line[90 *8-1:89 *8] == 8'd0 : align_line = {line[89 *8-1: 0], 248'd0}; |
| line[91 *8-1:90 *8] == 8'd0 : align_line = {line[90 *8-1: 0], 240'd0}; |
| line[92 *8-1:91 *8] == 8'd0 : align_line = {line[91 *8-1: 0], 232'd0}; |
| line[93 *8-1:92 *8] == 8'd0 : align_line = {line[92 *8-1: 0], 224'd0}; |
| line[94 *8-1:93 *8] == 8'd0 : align_line = {line[93 *8-1: 0], 216'd0}; |
| line[95 *8-1:94 *8] == 8'd0 : align_line = {line[94 *8-1: 0], 208'd0}; |
| line[96 *8-1:95 *8] == 8'd0 : align_line = {line[95 *8-1: 0], 200'd0}; |
| line[97 *8-1:96 *8] == 8'd0 : align_line = {line[96 *8-1: 0], 192'd0}; |
| line[98 *8-1:97 *8] == 8'd0 : align_line = {line[97 *8-1: 0], 184'd0}; |
| line[99 *8-1:98 *8] == 8'd0 : align_line = {line[98 *8-1: 0], 176'd0}; |
| line[100*8-1:99 *8] == 8'd0 : align_line = {line[99 *8-1: 0], 168'd0}; |
| line[101*8-1:100*8] == 8'd0 : align_line = {line[100*8-1: 0], 160'd0}; |
| line[102*8-1:101*8] == 8'd0 : align_line = {line[101*8-1: 0], 152'd0}; |
| line[103*8-1:102*8] == 8'd0 : align_line = {line[102*8-1: 0], 144'd0}; |
| line[104*8-1:103*8] == 8'd0 : align_line = {line[103*8-1: 0], 136'd0}; |
| line[105*8-1:104*8] == 8'd0 : align_line = {line[104*8-1: 0], 128'd0}; |
| line[106*8-1:105*8] == 8'd0 : align_line = {line[105*8-1: 0], 120'd0}; |
| line[107*8-1:106*8] == 8'd0 : align_line = {line[106*8-1: 0], 112'd0}; |
| line[108*8-1:107*8] == 8'd0 : align_line = {line[107*8-1: 0], 104'd0}; |
| line[109*8-1:108*8] == 8'd0 : align_line = {line[108*8-1: 0], 96'd0}; |
| line[110*8-1:109*8] == 8'd0 : align_line = {line[109*8-1: 0], 88'd0}; |
| line[111*8-1:110*8] == 8'd0 : align_line = {line[110*8-1: 0], 80'd0}; |
| line[112*8-1:111*8] == 8'd0 : align_line = {line[111*8-1: 0], 72'd0}; |
| line[113*8-1:112*8] == 8'd0 : align_line = {line[112*8-1: 0], 64'd0}; |
| line[114*8-1:113*8] == 8'd0 : align_line = {line[113*8-1: 0], 56'd0}; |
| line[115*8-1:114*8] == 8'd0 : align_line = {line[114*8-1: 0], 48'd0}; |
| line[116*8-1:115*8] == 8'd0 : align_line = {line[115*8-1: 0], 40'd0}; |
| line[117*8-1:116*8] == 8'd0 : align_line = {line[116*8-1: 0], 32'd0}; |
| line[118*8-1:117*8] == 8'd0 : align_line = {line[117*8-1: 0], 24'd0}; |
| line[119*8-1:118*8] == 8'd0 : align_line = {line[118*8-1: 0], 16'd0}; |
| line[120*8-1:119*8] == 8'd0 : align_line = {line[119*8-1: 0], 8'd0}; |
| |
| default: align_line = 960'd0; |
| endcase |
| end |
| endfunction |
| |
