| 1 | // ========== Copyright Header Begin ========================================== |
| 2 | // |
| 3 | // OpenSPARC T2 Processor File: siu_ipcs1_state.vrhpal |
| 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 | #define START (7'b0000001) |
| 36 | #define HDR (7'b0000010) |
| 37 | #define HDR_PAYLD (7'b0000100) |
| 38 | #define DATA1 (7'b0001000) |
| 39 | #define DATA2 (7'b0010000) |
| 40 | #define DATA3 (7'b0100000) |
| 41 | #define DATA4 (7'b1000000) |
| 42 | |
| 43 | |
| 44 | sample siu_ipcs1_state_machine.cstate |
| 45 | |
| 46 | { |
| 47 | |
| 48 | state s_START (START); |
| 49 | state s_HDR (HDR); |
| 50 | state s_HDR_PAYLD (HDR_PAYLD); |
| 51 | state s_DATA1 (DATA1); |
| 52 | state s_DATA2 (DATA2); |
| 53 | state s_DATA3 (DATA3); |
| 54 | state s_DATA4 (DATA4); |
| 55 | |
| 56 | trans t_START_START_01 (START -> START); |
| 57 | trans t_START_HDR_02 (START -> HDR); |
| 58 | trans t_START_HDR_PAYLD_03 (START -> HDR_PAYLD); |
| 59 | trans t_HDR_START_04 (HDR -> START); |
| 60 | trans t_HDR_HDR_05 (HDR -> HDR); |
| 61 | trans t_HDR_HDR_PAYLD_06 (HDR -> HDR_PAYLD); |
| 62 | trans t_HDR_PAYLD_DATA1_08 (HDR_PAYLD -> DATA1); |
| 63 | trans t_DATA1_DATA2_12 (DATA1 -> DATA2); |
| 64 | trans t_DATA2_DATA3_14 (DATA2 -> DATA3); |
| 65 | trans t_DATA3_DATA4_16 (DATA3 -> DATA4); |
| 66 | trans t_DATA4_START_17 (DATA4 -> START); |
| 67 | trans t_DATA4_HDR_18 (DATA4 -> HDR); |
| 68 | trans t_DATA4_HDR_PAYLD_19 (DATA4 -> HDR_PAYLD); |
| 69 | |
| 70 | // bad transitions |
| 71 | bad_trans t_HDR_PAYLD_START_07 (HDR_PAYLD -> START); |
| 72 | bad_trans t_DATA1_START_09 (DATA1 -> START); |
| 73 | bad_trans t_DATA1_HDR_10 (DATA1 -> HDR); |
| 74 | bad_trans t_DATA1_HDR_PAYLD_11 (DATA1 -> HDR_PAYLD); |
| 75 | bad_trans t_DATA2_START_13 (DATA2 -> START); |
| 76 | bad_trans t_DATA3_START_15 (DATA3 -> START); |
| 77 | |
| 78 | } |