| 1 | // ========== Copyright Header Begin ========================================== |
| 2 | // |
| 3 | // OpenSPARC T2 Processor File: siu_ipcc_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 (14'b00000000000001) |
| 36 | #define DEC (14'b00000000000010) |
| 37 | #define ARB (14'b00000000000100) |
| 38 | #define HDR (14'b00000000001000) |
| 39 | #define HDRDLY (14'b00000000010000) |
| 40 | #define DATA1 (14'b00000000100000) |
| 41 | #define DATA2 (14'b00000001000000) |
| 42 | #define DATA3 (14'b00000010000000) |
| 43 | #define DATA4 (14'b00000100000000) |
| 44 | #define DATA5 (14'b00001000000000) |
| 45 | #define DATA6 (14'b00010000000000) |
| 46 | #define DATA7 (14'b00100000000000) |
| 47 | #define DATA8 (14'b01000000000000) |
| 48 | #define RDDW (14'b10000000000000) |
| 49 | |
| 50 | |
| 51 | |
| 52 | sample siu_ipcc_state_machine.cstate |
| 53 | |
| 54 | { |
| 55 | |
| 56 | state s_START (START); |
| 57 | state s_DEC (DEC ); |
| 58 | state s_ARB (ARB ); |
| 59 | state s_HDR (HDR); |
| 60 | state s_HDRDLY (HDRDLY); |
| 61 | state s_DATA1 (DATA1); |
| 62 | state s_DATA2 (DATA2); |
| 63 | state s_DATA3 (DATA3); |
| 64 | state s_DATA4 (DATA4); |
| 65 | state s_DATA5 (DATA5); |
| 66 | state s_DATA6 (DATA6); |
| 67 | state s_DATA7 (DATA7); |
| 68 | state s_DATA8 (DATA8); |
| 69 | state s_RDDW (RDDW); |
| 70 | |
| 71 | trans t_START_START_01 (START -> START); |
| 72 | trans t_START_DEC_02 (START -> DEC); |
| 73 | trans t_DEC_START_03 (DEC -> START); |
| 74 | trans t_DEC_ARB_04 (DEC -> ARB); |
| 75 | trans t_ARB_START_05 (ARB -> START); |
| 76 | trans t_ARB_HDR_06 (ARB -> HDR); |
| 77 | trans t_HDR_HDRDLY_07 (HDR -> HDRDLY ); |
| 78 | trans t_HDRDLY_DATA1_09 (HDRDLY -> DATA1); |
| 79 | trans t_HDRDLY_RDDW_10 (HDRDLY -> RDDW); |
| 80 | trans t_RDDW_START_11 (RDDW -> START ); |
| 81 | trans t_DATA1_DATA2_13 (DATA1 -> DATA2); |
| 82 | trans t_DATA2_START_14 (DATA2 -> START); |
| 83 | trans t_DATA2_DATA2_15 (DATA2 -> DATA3); |
| 84 | trans t_DATA3_DATA4_16 (DATA3 -> DATA4); |
| 85 | trans t_DATA4_DATA5_17 (DATA4 -> DATA5); |
| 86 | trans t_DATA5_DATA6_18 (DATA5 -> DATA6); |
| 87 | trans t_DATA6_DATA7_19 (DATA6 -> DATA7); |
| 88 | trans t_DATA7_DATA8_20 (DATA7 -> DATA8); |
| 89 | trans t_DATA8_START_21 (DATA8 -> START); |
| 90 | |
| 91 | // bad transitions |
| 92 | bad_trans t_HDRDLY_START_08 (HDRDLY -> START); |
| 93 | bad_trans t_DATA1_START_12 (DATA1 -> START); |
| 94 | |
| 95 | } |