URL
https://opencores.org/ocsvn/s1_core/s1_core/trunk
Subversion Repositories s1_core
[/] [s1_core/] [trunk/] [hdl/] [rtl/] [sparc_core/] [tlu_addern_32.v] - Rev 95
Go to most recent revision | Compare with Previous | Blame | View Log
// ========== Copyright Header Begin ========================================== // // OpenSPARC T1 Processor File: tlu_addern_32.v // Copyright (c) 2006 Sun Microsystems, Inc. All Rights Reserved. // DO NOT ALTER OR REMOVE COPYRIGHT NOTICES. // // The above named program is free software; you can redistribute it and/or // modify it under the terms of the GNU General Public // License version 2 as published by the Free Software Foundation. // // The above named program 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 // General Public License for more details. // // You should have received a copy of the GNU General Public // License along with this work; if not, write to the Free Software // Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. // // ========== Copyright Header End ============================================ //////////////////////////////////////////////////////////////////////// /* // Description: parameterized adder macro */ //////////////////////////////////////////////////////////////////////// // Global header file includes //////////////////////////////////////////////////////////////////////// // system level definition file which contains the/* /* ========== Copyright Header Begin ========================================== * * OpenSPARC T1 Processor File: sys.h * Copyright (c) 2006 Sun Microsystems, Inc. All Rights Reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES. * * The above named program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public * License version 2 as published by the Free Software Foundation. * * The above named program 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 * General Public License for more details. * * You should have received a copy of the GNU General Public * License along with this work; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. * * ========== Copyright Header End ============================================ */ // -*- verilog -*- //////////////////////////////////////////////////////////////////////// /* // // Description: Global header file that contain definitions that // are common/shared at the systme level */ //////////////////////////////////////////////////////////////////////// // // Setting the time scale // If the timescale changes, JP_TIMESCALE may also have to change. `timescale 1ps/1ps // // JBUS clock // ========= // // Afara Link Defines // ================== // Reliable Link // Afara Link Objects // Afara Link Object Format - Reliable Link // Afara Link Object Format - Congestion // Afara Link Object Format - Acknowledge // Afara Link Object Format - Request // Afara Link Object Format - Message // Acknowledge Types // Request Types // Afara Link Frame // // UCB Packet Type // =============== // // // UCB Data Packet Format // ====================== // // Size encoding for the UCB_SIZE_HI/LO field // 000 - byte // 001 - half-word // 010 - word // 011 - double-word // 111 - quad-word // // UCB Interrupt Packet Format // =========================== // //`define UCB_THR_HI 9 // (6) cpu/thread ID shared with //`define UCB_THR_LO 4 data packet format //`define UCB_PKT_HI 3 // (4) packet type shared with //`define UCB_PKT_LO 0 // data packet format // // FCRAM Bus Widths // ================ // // // ENET clock periods // ================== // // // JBus Bridge defines // ================= // // // PCI Device Address Configuration // ================================ // // time scale definition //////////////////////////////////////////////////////////////////////// // Local header file includes / local defines //////////////////////////////////////////////////////////////////////// module tlu_addern_32 (din, incr, sum); // synopsys template parameter ADDER_DATA_WIDTH = 33; parameter INCR_DATA_WIDTH = 1; parameter UPPER_DATA_WIDTH = ADDER_DATA_WIDTH - INCR_DATA_WIDTH; input [ADDER_DATA_WIDTH-1:0] din; input [INCR_DATA_WIDTH-1:0] incr; output [ADDER_DATA_WIDTH-1:0] sum; // //////////////////////////////////////////////////////////////////////// // local signal declaraiont //////////////////////////////////////////////////////////////////////// assign sum[ADDER_DATA_WIDTH-1:0] = din[ADDER_DATA_WIDTH-1:0] + {{UPPER_DATA_WIDTH{1'b0}},incr[INCR_DATA_WIDTH-1:0]}; endmodule // tlu_addern_32
Go to most recent revision | Compare with Previous | Blame | View Log