| 1 | // ========== Copyright Header Begin ========================================== |
| 2 | // |
| 3 | // OpenSPARC T2 Processor File: sioniu_err_mon.vr |
| 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 | #include <vera_defines.vrh> |
| 36 | #include <VeraListProgram.vrh> |
| 37 | #include <ListMacros.vrh> |
| 38 | #include "ios_err_packet.vrh" |
| 39 | #include "ios_rasmon.if.vrh" |
| 40 | #include "ios_rasmon_ports_binds.vrh" |
| 41 | #include "std_display_class.vrh" |
| 42 | #include "siu_common.vrh" |
| 43 | |
| 44 | ExternVeraList(ios_err_packet); |
| 45 | |
| 46 | class sioniu_err_mon { |
| 47 | sioniu_errmon_port sioniu; |
| 48 | |
| 49 | local VeraList_ios_err_packet err_list; |
| 50 | |
| 51 | StandardDisplay dbg; |
| 52 | local string myname; |
| 53 | |
| 54 | task new(sioniu_errmon_port sioniu, StandardDisplay dbg); |
| 55 | |
| 56 | task input_mon(); |
| 57 | task report_mon(); |
| 58 | |
| 59 | function integer errlist_size() { errlist_size = err_list.size(); } |
| 60 | } |
| 61 | |
| 62 | task sioniu_err_mon::new(sioniu_errmon_port sioniu, StandardDisplay dbg) |
| 63 | { |
| 64 | integer i; |
| 65 | |
| 66 | this.sioniu = sioniu; |
| 67 | this.dbg = dbg; |
| 68 | this.myname = "sio-niu rasmon"; |
| 69 | |
| 70 | err_list = new(); |
| 71 | |
| 72 | fork { input_mon(); } join none |
| 73 | fork { report_mon(); } join none |
| 74 | } |
| 75 | |
| 76 | task sioniu_err_mon::report_mon() |
| 77 | { |
| 78 | ios_err_packet err_pkt; |
| 79 | SocErr_Type err_type[3]; |
| 80 | string err_msg[3]; |
| 81 | bit [2:0] niuncu_rpt; |
| 82 | integer i, found; |
| 83 | integer monitor_on = 1; |
| 84 | VeraListIterator_ios_err_packet list_ptr; |
| 85 | |
| 86 | err_type[0] = SIONIU_DP; err_msg[0] = "data pe"; |
| 87 | err_type[1] = SIONIU_CCE; err_msg[1] = "ctag ce"; |
| 88 | err_type[2] = SIONIU_CUE; err_msg[2] = "ctag ue"; |
| 89 | |
| 90 | if (get_plus_arg(CHECK, "sio_niu_ras_chk_off")){ |
| 91 | monitor_on = 0; |
| 92 | } |
| 93 | |
| 94 | while (monitor_on) |
| 95 | { |
| 96 | @(posedge sioniu.$clk); |
| 97 | niuncu_rpt = {sioniu.$ctag_ue, sioniu.$ctag_ce, sioniu.$d_pe}; |
| 98 | if (niuncu_rpt !== 3'b000 && niuncu_rpt !== 3'bxxx) |
| 99 | { |
| 100 | if (err_list.empty()) |
| 101 | dbg.dispmon(myname, MON_ERR, psprintf("niu report unexpected errors!")); |
| 102 | else |
| 103 | for (i=0; i<3; i++) |
| 104 | if (niuncu_rpt[i] !== 0) |
| 105 | { |
| 106 | list_ptr = err_list.start(); |
| 107 | err_pkt = list_ptr.data(); |
| 108 | found = 0; |
| 109 | while (err_pkt != null && !found) |
| 110 | { |
| 111 | if (err_pkt.type == err_type[i]) |
| 112 | { |
| 113 | list_ptr = err_list.erase(list_ptr); |
| 114 | dbg.dispmon(myname, MON_NORMAL, psprintf("matched! niu report %s!", err_msg[i])); |
| 115 | found = 1; |
| 116 | } |
| 117 | else |
| 118 | list_ptr.next(); |
| 119 | if (list_ptr != null) |
| 120 | err_pkt = list_ptr.data(); |
| 121 | } |
| 122 | if (!found) |
| 123 | dbg.dispmon(myname, MON_NORMAL, psprintf("niu report unexpected %s!", err_msg[i])); |
| 124 | } |
| 125 | } |
| 126 | } |
| 127 | } |
| 128 | |
| 129 | task sioniu_err_mon::input_mon() |
| 130 | { |
| 131 | bit [15:0] cur_ctag; |
| 132 | bit [5:0] cur_cecc; |
| 133 | bit [5:0] my_cecc; |
| 134 | bit [127:0] cur_data; |
| 135 | bit [127:0] tmp_data; |
| 136 | bit [7:0] tmp_parity; |
| 137 | integer i, j, cce, cue, dpe; |
| 138 | ios_err_packet err_pkt; |
| 139 | |
| 140 | while (1) |
| 141 | { |
| 142 | @(posedge sioniu.$clk); |
| 143 | if (sioniu.$req === 1'b1) |
| 144 | { |
| 145 | cce = 0; |
| 146 | cue = 0; |
| 147 | dpe = 0; |
| 148 | dbg.dispmon(myname, MON_INFO, psprintf("capture sio-niu valid")); |
| 149 | // verify the ecc |
| 150 | cur_ctag = sioniu.$data[79:64]; |
| 151 | my_cecc = gen_ctag_ecc(cur_ctag); |
| 152 | cur_cecc = sioniu.$data[61:56]; |
| 153 | for (i=0; i<6 && cce<2; i++) |
| 154 | cce += (cur_cecc[i] !== my_cecc[i]) ? 1 : 0; |
| 155 | if (cce == 1) |
| 156 | { |
| 157 | dbg.dispmon(myname, MON_NORMAL, psprintf("capture sio-niu ctag ce get %x, exp %x", cur_cecc, my_cecc)); |
| 158 | err_pkt = new(SIONIU_CCE, cur_ctag, 40'h8000000000); |
| 159 | err_list.push_back(err_pkt); |
| 160 | } |
| 161 | if (cce > 1) |
| 162 | { |
| 163 | dbg.dispmon(myname, MON_NORMAL, psprintf("capture sio-niu ctag ue get %x, exp %x", cur_cecc, my_cecc)); |
| 164 | err_pkt = new(SIONIU_CUE, cur_ctag, 40'h8000000000); |
| 165 | err_list.push_back(err_pkt); |
| 166 | } |
| 167 | |
| 168 | // for read, verify the data parity |
| 169 | if (sioniu.$data[125] === 1'b1) |
| 170 | { |
| 171 | for (i=0; i<4 && !dpe; i++) |
| 172 | { |
| 173 | @(posedge sioniu.$clk); |
| 174 | cur_data = sioniu.$data; |
| 175 | tmp_parity[7:6] = interleave_parity(cur_data[127:96], 32); |
| 176 | tmp_parity[5:4] = interleave_parity(cur_data[95:64], 32); |
| 177 | tmp_parity[3:2] = interleave_parity(cur_data[63:32], 32); |
| 178 | tmp_parity[1:0] = interleave_parity(cur_data[31:0], 32); |
| 179 | if (tmp_parity !== sioniu.$parity) |
| 180 | { |
| 181 | dpe = 1; |
| 182 | dbg.dispmon(myname, MON_NORMAL, psprintf("capture sio-niu data parity error get %x exp %x", sioniu.$parity, tmp_parity)); |
| 183 | err_pkt = new(SIONIU_DP, cur_ctag, 40'h8000000000); |
| 184 | err_list.push_back(err_pkt); |
| 185 | } |
| 186 | } |
| 187 | } |
| 188 | } |
| 189 | } |
| 190 | } |