| [6] | 1 | // ========== Copyright Header Begin ========================================== |
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| 2 | // |
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| 3 | // OpenSPARC T1 Processor File: tlu_addern_32.v |
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| 4 | // Copyright (c) 2006 Sun Microsystems, Inc. All Rights Reserved. |
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| 5 | // DO NOT ALTER OR REMOVE COPYRIGHT NOTICES. |
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| 6 | // |
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| 7 | // The above named program is free software; you can redistribute it and/or |
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| 8 | // modify it under the terms of the GNU General Public |
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| 9 | // License version 2 as published by the Free Software Foundation. |
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| 10 | // |
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| 11 | // The above named program is distributed in the hope that it will be |
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| 12 | // useful, but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 13 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 14 | // General Public License for more details. |
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| 15 | // |
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| 16 | // You should have received a copy of the GNU General Public |
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| 17 | // License along with this work; if not, write to the Free Software |
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| 18 | // Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. |
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| 19 | // |
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| 20 | // ========== Copyright Header End ============================================ |
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| 21 | //////////////////////////////////////////////////////////////////////// |
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| 22 | /* |
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| 23 | // Description: parameterized adder macro |
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| 24 | */ |
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| 25 | //////////////////////////////////////////////////////////////////////// |
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| 26 | // Global header file includes |
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| 27 | //////////////////////////////////////////////////////////////////////// |
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| 28 | `include "sys.h" // system level definition file which contains the |
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| 29 | // time scale definition |
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| 30 | |
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| 31 | //////////////////////////////////////////////////////////////////////// |
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| 32 | // Local header file includes / local defines |
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| 33 | //////////////////////////////////////////////////////////////////////// |
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| 34 | |
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| 35 | module tlu_addern_32 (din, incr, sum); |
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| 36 | // synopsys template |
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| 37 | |
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| 38 | parameter ADDER_DATA_WIDTH = 33; |
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| 39 | parameter INCR_DATA_WIDTH = 1; |
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| 40 | parameter UPPER_DATA_WIDTH = ADDER_DATA_WIDTH - INCR_DATA_WIDTH; |
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| 41 | |
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| 42 | input [ADDER_DATA_WIDTH-1:0] din; |
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| 43 | input [INCR_DATA_WIDTH-1:0] incr; |
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| 44 | output [ADDER_DATA_WIDTH-1:0] sum; |
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| 45 | // |
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| 46 | //////////////////////////////////////////////////////////////////////// |
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| 47 | // local signal declaraiont |
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| 48 | //////////////////////////////////////////////////////////////////////// |
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| 49 | |
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| 50 | assign sum[ADDER_DATA_WIDTH-1:0] = |
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| 51 | din[ADDER_DATA_WIDTH-1:0] + {{UPPER_DATA_WIDTH{1'b0}},incr[INCR_DATA_WIDTH-1:0]}; |
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| 52 | |
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| 53 | endmodule // tlu_addern_32 |
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