// ========== Copyright Header Begin ========================================== // // OpenSPARC T2 Processor File: mcusat_reg_ack_nack_sample.vrhpal // Copyright (C) 1995-2007 Sun Microsystems, Inc. All Rights Reserved // 4150 Network Circle, Santa Clara, California 95054, U.S.A. // // * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. // // This program is free software; you can redistribute it and/or modify // it under the terms of the GNU General Public License as published by // the Free Software Foundation; version 2 of the License. // // This 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 program; if not, write to the Free Software // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA // // For the avoidance of doubt, and except that if any non-GPL license // choice is available it will apply instead, Sun elects to use only // the General Public License version 2 (GPLv2) at this time for any // software where a choice of GPL license versions is made // available with the language indicating that GPLv2 or any later version // may be used, or where a choice of which version of the GPL is applied is // otherwise unspecified. // // Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, // CA 95054 USA or visit www.sun.com if you need additional information or // have any questions. // // ========== Copyright Header End ============================================ state s_ack_nack0 (2'b00); state s_ack_nack1 (2'b01); state s_ack_nack2 (2'b10); trans t_ack_nack0_1 (2'b00 -> 2'b01); trans t_ack_nack1_0 (2'b01 -> 2'b00); trans t_ack_nack0_2 (2'b00 -> 2'b10); trans t_ack_nack2_0 (2'b10 -> 2'b00); // bad states //bad_state s_not_ack_nack0 (not state); bad_state s_bad_ack_nack3 (2'b11); // bad transitions //bad_trans t_not_ack_nack0 (not trans); bad_trans t_ack_nack1_2 (2'b01 -> 2'b10); bad_trans t_ack_nack2_1 (2'b10 -> 2'b01); bad_trans t_ack_nack0_3 (2'b00 -> 2'b11); bad_trans t_ack_nack3_0 (2'b11 -> 2'b00); bad_trans t_ack_nack2_3 (2'b10 -> 2'b11); bad_trans t_ack_nack3_2 (2'b11 -> 2'b10); //}