| 1 | // ========== Copyright Header Begin ========================================== |
| 2 | // |
| 3 | // OpenSPARC T2 Processor File: mcu_crcndf_ctl.v |
| 4 | // Copyright (C) 1995-2007 Sun Microsystems, Inc. All Rights Reserved |
| 5 | // 4150 Network Circle, Santa Clara, California 95054, U.S.A. |
| 6 | // |
| 7 | // * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 8 | // |
| 9 | // This program is free software; you can redistribute it and/or modify |
| 10 | // it under the terms of the GNU General Public License as published by |
| 11 | // the Free Software Foundation; version 2 of the License. |
| 12 | // |
| 13 | // This program is distributed in the hope that it will be useful, |
| 14 | // but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 16 | // GNU General Public License for more details. |
| 17 | // |
| 18 | // You should have received a copy of the GNU General Public License |
| 19 | // along with this program; if not, write to the Free Software |
| 20 | // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 21 | // |
| 22 | // For the avoidance of doubt, and except that if any non-GPL license |
| 23 | // choice is available it will apply instead, Sun elects to use only |
| 24 | // the General Public License version 2 (GPLv2) at this time for any |
| 25 | // software where a choice of GPL license versions is made |
| 26 | // available with the language indicating that GPLv2 or any later version |
| 27 | // may be used, or where a choice of which version of the GPL is applied is |
| 28 | // otherwise unspecified. |
| 29 | // |
| 30 | // Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| 31 | // CA 95054 USA or visit www.sun.com if you need additional information or |
| 32 | // have any questions. |
| 33 | // |
| 34 | // ========== Copyright Header End ============================================ |
| 35 | module mcu_crcndf_ctl ( |
| 36 | in, |
| 37 | crc); |
| 38 | |
| 39 | input [71:0] in; |
| 40 | output [5:0] crc; |
| 41 | |
| 42 | assign crc[0] = in[69] ^ in[66] ^ in[65] ^ in[64] ^ in[63] ^ in[57] ^ in[56] ^ |
| 43 | in[54] ^ in[53] ^ in[52] ^ in[49] ^ in[48] ^ in[44] ^ in[43] ^ |
| 44 | in[42] ^ in[40] ^ in[38] ^ in[37] ^ in[36] ^ in[35] ^ in[34] ^ |
| 45 | in[33] ^ in[31] ^ in[30] ^ in[28] ^ in[24] ^ in[19] ^ in[17] ^ |
| 46 | in[16] ^ in[13] ^ in[11] ^ in[9] ^ in[6] ^ in[3] ^ in[2] ^ |
| 47 | in[1] ^ in[0]; |
| 48 | assign crc[1] = in[70] ^ in[69] ^ in[67] ^ in[63] ^ in[58] ^ in[56] ^ in[55] ^ |
| 49 | in[52] ^ in[50] ^ in[48] ^ in[45] ^ in[42] ^ in[41] ^ in[40] ^ |
| 50 | in[39] ^ in[33] ^ in[32] ^ in[30] ^ in[29] ^ in[28] ^ in[25] ^ |
| 51 | in[24] ^ in[20] ^ in[19] ^ in[18] ^ in[16] ^ in[14] ^ in[13] ^ |
| 52 | in[12] ^ in[11] ^ in[10] ^ in[9] ^ in[7] ^ in[6] ^ in[4] ^ in[0]; |
| 53 | assign crc[2] = in[71] ^ in[70] ^ in[69] ^ in[68] ^ in[66] ^ in[65] ^ in[63] ^ |
| 54 | in[59] ^ in[54] ^ in[52] ^ in[51] ^ in[48] ^ in[46] ^ in[44] ^ |
| 55 | in[41] ^ in[38] ^ in[37] ^ in[36] ^ in[35] ^ in[29] ^ in[28] ^ |
| 56 | in[26] ^ in[25] ^ in[24] ^ in[21] ^ in[20] ^ in[16] ^ in[15] ^ |
| 57 | in[14] ^ in[12] ^ in[10] ^ in[9] ^ in[8] ^ in[7] ^ in[6] ^ |
| 58 | in[5] ^ in[3] ^ in[2] ^ in[0]; |
| 59 | assign crc[3] = in[71] ^ in[70] ^ in[69] ^ in[67] ^ in[66] ^ in[64] ^ in[60] ^ |
| 60 | in[55] ^ in[53] ^ in[52] ^ in[49] ^ in[47] ^ in[45] ^ in[42] ^ |
| 61 | in[39] ^ in[38] ^ in[37] ^ in[36] ^ in[30] ^ in[29] ^ in[27] ^ |
| 62 | in[26] ^ in[25] ^ in[22] ^ in[21] ^ in[17] ^ in[16] ^ in[15] ^ |
| 63 | in[13] ^ in[11] ^ in[10] ^ in[9] ^ in[8] ^ in[7] ^ in[6] ^ |
| 64 | in[4] ^ in[3] ^ in[1]; |
| 65 | assign crc[4] = in[71] ^ in[70] ^ in[68] ^ in[67] ^ in[65] ^ in[61] ^ in[56] ^ |
| 66 | in[54] ^ in[53] ^ in[50] ^ in[48] ^ in[46] ^ in[43] ^ in[40] ^ |
| 67 | in[39] ^ in[38] ^ in[37] ^ in[31] ^ in[30] ^ in[28] ^ in[27] ^ |
| 68 | in[26] ^ in[23] ^ in[22] ^ in[18] ^ in[17] ^ in[16] ^ in[14] ^ |
| 69 | in[12] ^ in[11] ^ in[10] ^ in[9] ^ in[8] ^ in[7] ^ in[5] ^ |
| 70 | in[4] ^ in[2]; |
| 71 | assign crc[5] = in[71] ^ in[68] ^ in[65] ^ in[64] ^ in[63] ^ in[62] ^ in[56] ^ |
| 72 | in[55] ^ in[53] ^ in[52] ^ in[51] ^ in[48] ^ in[47] ^ in[43] ^ |
| 73 | in[42] ^ in[41] ^ in[39] ^ in[37] ^ in[36] ^ in[35] ^ in[34] ^ |
| 74 | in[33] ^ in[32] ^ in[30] ^ in[29] ^ in[27] ^ in[23] ^ in[18] ^ |
| 75 | in[16] ^ in[15] ^ in[12] ^ in[10] ^ in[8] ^ in[5] ^ in[2] ^ |
| 76 | in[1] ^ in[0]; |
| 77 | |
| 78 | endmodule |
| 79 | |