| 1 | // ========== Copyright Header Begin ========================================== |
| 2 | // |
| 3 | // OpenSPARC T2 Processor File: jdia_checkers.v |
| 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 | module jdia_checkers; |
| 36 | |
| 37 | `define jdia_top `CPU.dmu |
| 38 | //`define jdia_clk `jdia_top.iol2clk |
| 39 | `define jdia_clk `jdia_top.iol2clk |
| 40 | //`define jdia_rst ~`jdia_top.rst_wmr_ |
| 41 | `define jdia_rst ~`jdia_top.wmr_ |
| 42 | |
| 43 | |
| 44 | //////////////////////// |
| 45 | // known/driven checkers |
| 46 | |
| 47 | `ifdef X_GUARD |
| 48 | |
| 49 | /* 0in known_driven -var `jdia_top.j2d_di_cmd_vld |
| 50 | -clock `jdia_clk -reset `jdia_rst */ |
| 51 | /* 0in known_driven -var `jdia_top.j2d_di_cmd |
| 52 | -active `jdia_top.j2d_di_cmd_vld |
| 53 | -clock `jdia_clk -reset `jdia_rst */ |
| 54 | /* 0in known_driven -var `jdia_top.j2d_di_ctag |
| 55 | -active `jdia_top.j2d_di_cmd_vld |
| 56 | -clock `jdia_clk -reset `jdia_rst */ |
| 57 | |
| 58 | /* 0in known_driven -var `jdia_top.j2d_d_data_vld |
| 59 | -clock `jdia_clk -reset `jdia_rst */ |
| 60 | /* 0in known_driven -var `jdia_top.j2d_d_data |
| 61 | -active `jdia_top.j2d_d_data_vld |
| 62 | -clock `jdia_clk -reset `jdia_rst */ |
| 63 | /* 0in known_driven -var `jdia_top.j2d_d_data_par |
| 64 | -active `jdia_top.j2d_d_data_vld |
| 65 | -clock `jdia_clk -reset `jdia_rst */ |
| 66 | /* 0in known_driven -var `jdia_top.j2d_d_data_err |
| 67 | -active `jdia_top.j2d_d_data_vld |
| 68 | -clock `jdia_clk -reset `jdia_rst */ |
| 69 | |
| 70 | /* 0in known_driven -var `jdia_top.j2d_d_wrack_vld |
| 71 | -clock `jdia_clk -reset `jdia_rst */ |
| 72 | /* 0in known_driven -var `jdia_top.j2d_d_wrack_tag |
| 73 | -active `jdia_top.j2d_d_wrack_vld |
| 74 | -clock `jdia_clk -reset `jdia_rst */ |
| 75 | |
| 76 | /* 0in known_driven -var `jdia_top.j2d_p_cmd_vld |
| 77 | -clock `jdia_clk -reset `jdia_rst */ |
| 78 | /* 0in known_driven -var `jdia_top.j2d_p_cmd |
| 79 | -active `jdia_top.j2d_p_cmd_vld |
| 80 | -clock `jdia_clk -reset `jdia_rst */ |
| 81 | /* 0in known_driven -var `jdia_top.j2d_p_addr |
| 82 | -active `jdia_top.j2d_p_cmd_vld |
| 83 | -clock `jdia_clk -reset `jdia_rst */ |
| 84 | /* 0in known_driven -var `jdia_top.j2d_p_bmsk |
| 85 | -active `jdia_top.j2d_p_cmd_vld |
| 86 | -clock `jdia_clk -reset `jdia_rst */ |
| 87 | /* 0in known_driven -var `jdia_top.j2d_p_ctag |
| 88 | -active `jdia_top.j2d_p_cmd_vld |
| 89 | -clock `jdia_clk -reset `jdia_rst */ |
| 90 | |
| 91 | /* 0in known_driven -var `jdia_top.d2j_cmd_vld |
| 92 | -clock `jdia_clk -reset `jdia_rst */ |
| 93 | /* 0in known_driven -var `jdia_top.d2j_cmd |
| 94 | -active `jdia_top.d2j_cmd_vld |
| 95 | -clock `jdia_clk -reset `jdia_rst */ |
| 96 | /* 0in known_driven -var `jdia_top.d2j_addr |
| 97 | -active `jdia_top.d2j_cmd_vld |
| 98 | -clock `jdia_clk -reset `jdia_rst */ |
| 99 | /* 0in known_driven -var `jdia_top.d2j_ctag |
| 100 | -active `jdia_top.d2j_cmd_vld |
| 101 | -clock `jdia_clk -reset `jdia_rst */ |
| 102 | |
| 103 | /* 0in known_driven -var `jdia_top.d2j_data_vld |
| 104 | -clock `jdia_clk -reset `jdia_rst */ |
| 105 | /* 0in known_driven -var `jdia_top.d2j_data |
| 106 | -active `jdia_top.d2j_data_vld |
| 107 | -clock `jdia_clk -reset `jdia_rst */ |
| 108 | /* 0in known_driven -var `jdia_top.d2j_data_par |
| 109 | -active `jdia_top.d2j_data_vld |
| 110 | -clock `jdia_clk -reset `jdia_rst */ |
| 111 | /* 0in known_driven -var `jdia_top.d2j_bmsk |
| 112 | -active `jdia_top.d2j_data_vld |
| 113 | -clock `jdia_clk -reset `jdia_rst */ |
| 114 | |
| 115 | /* 0in known_driven -var `jdia_top.d2j_p_wrack_vld |
| 116 | -clock `jdia_clk -reset `jdia_rst */ |
| 117 | /* 0in known_driven -var `jdia_top.d2j_p_wrack_tag |
| 118 | -active `jdia_top.d2j_p_wrack_vld |
| 119 | -clock `jdia_clk -reset `jdia_rst */ |
| 120 | |
| 121 | /* 0in known_driven -var `jdia_top.j2d_mmu_addr_vld |
| 122 | -clock `jdia_clk -reset `jdia_rst */ |
| 123 | /* 0in known_driven -var `jdia_top.j2d_mmu_addr |
| 124 | -active `jdia_top.j2d_mmu_addr_vld |
| 125 | -clock `jdia_clk -reset `jdia_rst */ |
| 126 | |
| 127 | `endif // `ifdef X_GUARD |
| 128 | |
| 129 | /////////////////////// |
| 130 | // valid value checkers |
| 131 | |
| 132 | /* 0in value -var `jdia_top.j2d_p_cmd |
| 133 | -val 4'h4 4'h5 4'h6 4'h7 4'hc 4'hd 4'he 4'hf |
| 134 | -active `jdia_top.j2d_p_cmd_vld |
| 135 | -clock `jdia_clk -reset `jdia_rst */ |
| 136 | |
| 137 | /* 0in value -var `jdia_top.d2j_cmd |
| 138 | -val 4'h0 4'h1 4'h2 4'h3 4'h4 4'h8 4'ha 4'hb |
| 139 | -active `jdia_top.d2j_cmd_vld |
| 140 | -clock `jdia_clk -reset `jdia_rst */ |
| 141 | |
| 142 | // d2j_ctag[15] = 0 for dma rd, 1 for dma rds, 0 for int |
| 143 | |
| 144 | |
| 145 | ////////////////// |
| 146 | // parity checkers |
| 147 | |
| 148 | /* 0in value -var `jdia_top.j2d_d_data_par[3] |
| 149 | -val ~^(`jdia_top.j2d_d_data[127:96]) |
| 150 | -active `jdia_top.j2d_d_data_vld |
| 151 | -clock `jdia_clk -reset `jdia_rst */ |
| 152 | /* 0in value -var `jdia_top.j2d_d_data_par[2] |
| 153 | -val ~^(`jdia_top.j2d_d_data[95:64]) |
| 154 | -active `jdia_top.j2d_d_data_vld |
| 155 | -clock `jdia_clk -reset `jdia_rst */ |
| 156 | /* 0in value -var `jdia_top.j2d_d_data_par[1] |
| 157 | -val ~^(`jdia_top.j2d_d_data[63:32]) |
| 158 | -active `jdia_top.j2d_d_data_vld |
| 159 | -clock `jdia_clk -reset `jdia_rst */ |
| 160 | /* 0in value -var `jdia_top.j2d_d_data_par[0] |
| 161 | -val ~^(`jdia_top.j2d_d_data[31:0]) |
| 162 | -active `jdia_top.j2d_d_data_vld |
| 163 | -clock `jdia_clk -reset `jdia_rst */ |
| 164 | |
| 165 | /* 0in value -var `jdia_top.j2d_p_data_par[3] |
| 166 | -val ~^(`jdia_top.j2d_p_data[127:96]) |
| 167 | -active `jdia_top.j2d_p_data_vld |
| 168 | -clock `jdia_clk -reset `jdia_rst */ |
| 169 | /* 0in value -var `jdia_top.j2d_p_data_par[2] |
| 170 | -val ~^(`jdia_top.j2d_p_data[95:64]) |
| 171 | -active `jdia_top.j2d_p_data_vld |
| 172 | -clock `jdia_clk -reset `jdia_rst */ |
| 173 | /* 0in value -var `jdia_top.j2d_p_data_par[1] |
| 174 | -val ~^(`jdia_top.j2d_p_data[63:32]) |
| 175 | -active `jdia_top.j2d_p_data_vld |
| 176 | -clock `jdia_clk -reset `jdia_rst */ |
| 177 | /* 0in value -var `jdia_top.j2d_p_data_par[0] |
| 178 | -val ~^(`jdia_top.j2d_p_data[31:0]) |
| 179 | -active `jdia_top.j2d_p_data_vld |
| 180 | -clock `jdia_clk -reset `jdia_rst */ |
| 181 | |
| 182 | /* 0in value -var `jdia_top.d2j_data_par[4] |
| 183 | -val ~^(`jdia_top.d2j_data[127:96]) |
| 184 | -active `jdia_top.d2j_data_vld |
| 185 | -clock `jdia_clk -reset `jdia_rst */ |
| 186 | /* 0in value -var `jdia_top.d2j_data_par[3] |
| 187 | -val ~^(`jdia_top.d2j_data[95:64]) |
| 188 | -active `jdia_top.d2j_data_vld |
| 189 | -clock `jdia_clk -reset `jdia_rst */ |
| 190 | /* 0in value -var `jdia_top.d2j_data_par[2] |
| 191 | -val ~^(`jdia_top.d2j_data[63:32]) |
| 192 | -active `jdia_top.d2j_data_vld |
| 193 | -clock `jdia_clk -reset `jdia_rst */ |
| 194 | /* 0in value -var `jdia_top.d2j_data_par[1] |
| 195 | -val ~^(`jdia_top.d2j_data[31:0]) |
| 196 | -active `jdia_top.d2j_data_vld |
| 197 | -clock `jdia_clk -reset `jdia_rst */ |
| 198 | /* 0in value -var `jdia_top.d2j_data_par[0] |
| 199 | -val ~^(`jdia_top.d2j_bmsk) |
| 200 | -active `jdia_top.d2j_data_vld |
| 201 | -clock `jdia_clk -reset `jdia_rst */ |
| 202 | |
| 203 | |
| 204 | //////////////////// |
| 205 | // protocol checkers |
| 206 | |
| 207 | wire [63:0] dma_wr_current_fifo_entries, |
| 208 | dma_rd_current_fifo_entries, |
| 209 | interrupt_current_fifo_entries ; |
| 210 | |
| 211 | // dma full write / dma partial write |
| 212 | /* 0in fifo -depth 16 |
| 213 | -enq ( `jdia_top.d2j_cmd_vld & ( ( `jdia_top.d2j_cmd == 4'h0 ) |
| 214 | | ( `jdia_top.d2j_cmd == 4'h1 ) ) ) |
| 215 | -deq `jdia_top.j2d_d_wrack_vld |
| 216 | -current_fifo_entries dma_wr_current_fifo_entries |
| 217 | -name enq_deq_dmawr |
| 218 | -clock `jdia_clk |
| 219 | -reset `jdia_rst |
| 220 | */ |
| 221 | |
| 222 | // dma read / dma read shared |
| 223 | /* 0in fifo -depth 16 |
| 224 | -enq ( `jdia_top.d2j_cmd_vld & ( ( `jdia_top.d2j_cmd == 4'h2 ) |
| 225 | | ( `jdia_top.d2j_cmd == 4'h3 ) ) ) |
| 226 | -deq ( `jdia_top.j2d_di_cmd_vld & ( ( `jdia_top.j2d_di_cmd == 2'h0 ) |
| 227 | | ( `jdia_top.j2d_di_cmd == 2'h1 ) ) ) |
| 228 | -current_fifo_entries dma_rd_current_fifo_entries |
| 229 | -name enq_deq_dmard |
| 230 | -clock `jdia_clk |
| 231 | -reset `jdia_rst |
| 232 | */ |
| 233 | |
| 234 | // interrupt |
| 235 | /* 0in fifo -depth 4 |
| 236 | -enq ( `jdia_top.d2j_cmd_vld & ( `jdia_top.d2j_cmd == 4'b0100 ) ) |
| 237 | -deq ( `jdia_top.j2d_di_cmd_vld & ( ( `jdia_top.j2d_di_cmd == 2'h2 ) |
| 238 | | ( `jdia_top.j2d_di_cmd == 2'h3 ) ) ) |
| 239 | -current_fifo_entries interrupt_current_fifo_entries |
| 240 | -name enq_deq_int |
| 241 | -clock `jdia_clk |
| 242 | -reset `jdia_rst |
| 243 | */ |
| 244 | |
| 245 | // sum of dma rd/wr and interrupt entries does not exceed 16 |
| 246 | /* 0in max 16 |
| 247 | -var ( dma_wr_current_fifo_entries + |
| 248 | dma_rd_current_fifo_entries + |
| 249 | interrupt_current_fifo_entries ) |
| 250 | -clock `jdia_clk |
| 251 | -reset `jdia_rst |
| 252 | */ |
| 253 | |
| 254 | wire [63:0] pio_wr_current_fifo_entries, |
| 255 | pio_rd_current_fifo_entries ; |
| 256 | |
| 257 | // pio read |
| 258 | /* 0in fifo -depth 16 |
| 259 | -enq ( `jdia_top.j2d_p_cmd_vld & ( ( `jdia_top.j2d_p_cmd == 4'hc ) |
| 260 | | ( `jdia_top.j2d_p_cmd == 4'hd ) |
| 261 | | ( `jdia_top.j2d_p_cmd == 4'he ) |
| 262 | | ( `jdia_top.j2d_p_cmd == 4'hf ) ) ) |
| 263 | -deq ( `jdia_top.d2j_cmd_vld & ( ( `jdia_top.d2j_cmd == 4'h8 ) |
| 264 | | ( `jdia_top.d2j_cmd == 4'ha ) |
| 265 | | ( `jdia_top.d2j_cmd == 4'hb ) ) ) |
| 266 | -current_fifo_entries pio_rd_current_fifo_entries |
| 267 | -clock `jdia_clk |
| 268 | -reset `jdia_rst |
| 269 | */ |
| 270 | |
| 271 | // pio write |
| 272 | /* 0in fifo -depth 16 |
| 273 | -enq ( `jdia_top.j2d_p_cmd_vld & ( ( `jdia_top.j2d_p_cmd == 4'h4 ) |
| 274 | | ( `jdia_top.j2d_p_cmd == 4'h5 ) |
| 275 | | ( `jdia_top.j2d_p_cmd == 4'h6 ) |
| 276 | | ( `jdia_top.j2d_p_cmd == 4'h7 ) ) ) |
| 277 | -deq `jdia_top.d2j_p_wrack_vld |
| 278 | -current_fifo_entries pio_wr_current_fifo_entries |
| 279 | -clock `jdia_clk |
| 280 | -reset `jdia_rst |
| 281 | */ |
| 282 | |
| 283 | |
| 284 | // sum of pio rd/wr entries does not exceed 16 |
| 285 | /* 0in max 16 |
| 286 | -var ( pio_rd_current_fifo_entries + |
| 287 | pio_wr_current_fifo_entries ) |
| 288 | -clock `jdia_clk |
| 289 | -reset `jdia_rst |
| 290 | */ |
| 291 | |
| 292 | //////////////// |
| 293 | // data checkers |
| 294 | |
| 295 | // dma full write / dma partial write |
| 296 | /* 0in assert_follower |
| 297 | -leader ( `jdia_top.d2j_cmd_vld & ( ( `jdia_top.d2j_cmd == 4'h0 ) |
| 298 | | ( `jdia_top.d2j_cmd == 4'h1 ) ) ) |
| 299 | -follower `jdia_top.d2j_data_vld |
| 300 | -clock `jdia_clk -reset `jdia_rst */ |
| 301 | /* 0in change_window |
| 302 | -start ( `jdia_top.d2j_cmd_vld & ( ( `jdia_top.d2j_cmd == 4'h0 ) |
| 303 | | ( `jdia_top.d2j_cmd == 4'h1 ) ) ) |
| 304 | -stop_count 3 |
| 305 | -not_in `jdia_top.d2j_data_vld |
| 306 | -clock `jdia_clk -reset `jdia_rst */ |
| 307 | |
| 308 | |
| 309 | // dma read (no error) |
| 310 | /* 0in assert_follower |
| 311 | -leader ( `jdia_top.j2d_di_cmd_vld & ( `jdia_top.j2d_di_cmd == 2'h0 ) ) |
| 312 | -follower `jdia_top.j2d_d_data_vld |
| 313 | -clock `jdia_clk -reset `jdia_rst */ |
| 314 | /* 0in change_window |
| 315 | -start ( `jdia_top.j2d_di_cmd_vld & ( `jdia_top.j2d_di_cmd == 2'h0 ) ) |
| 316 | -stop_count 3 |
| 317 | -not_in `jdia_top.j2d_d_data_vld |
| 318 | -clock `jdia_clk -reset `jdia_rst */ |
| 319 | |
| 320 | // pio write |
| 321 | /* 0in assert_follower |
| 322 | -leader ( `jdia_top.j2d_p_cmd_vld & ( ( `jdia_top.j2d_p_cmd == 4'h4 ) |
| 323 | | ( `jdia_top.j2d_p_cmd == 4'h5 ) |
| 324 | | ( `jdia_top.j2d_p_cmd == 4'h6 ) |
| 325 | | ( `jdia_top.j2d_p_cmd == 4'h7 ) ) ) |
| 326 | -follower `jdia_top.j2d_p_data_vld |
| 327 | -clock `jdia_clk -reset `jdia_rst */ |
| 328 | |
| 329 | // pio read |
| 330 | /* 0in assert_follower |
| 331 | -leader ( `jdia_top.d2j_cmd_vld & ( `jdia_top.d2j_cmd == 4'h8 ) ) |
| 332 | -follower `jdia_top.d2j_data_vld |
| 333 | -clock `jdia_clk -reset `jdia_rst */ |
| 334 | |
| 335 | |
| 336 | ////////////////////////// |
| 337 | // transaction id checkers |
| 338 | |
| 339 | // dma full write / dma partial write |
| 340 | /* 0in bus_id |
| 341 | -req ( `jdia_top.d2j_cmd_vld & ( ( `jdia_top.d2j_cmd == 4'h0 ) |
| 342 | | ( `jdia_top.d2j_cmd == 4'h1 ) ) ) |
| 343 | -req_id `jdia_top.d2j_ctag[14:11] |
| 344 | -ret `jdia_top.j2d_d_wrack_vld |
| 345 | -ret_id `jdia_top.j2d_d_wrack_tag |
| 346 | -clock `jdia_clk -reset `jdia_rst */ |
| 347 | |
| 348 | // dma read / dma read shared |
| 349 | /* 0in bus_id |
| 350 | -req ( `jdia_top.d2j_cmd_vld & ( ( `jdia_top.d2j_cmd == 4'h2 ) |
| 351 | | ( `jdia_top.d2j_cmd == 4'h3 ) ) ) |
| 352 | -req_id `jdia_top.d2j_ctag[14:11] |
| 353 | -ret ( `jdia_top.j2d_di_cmd_vld & ( ( `jdia_top.j2d_di_cmd == 2'h0 ) |
| 354 | | ( `jdia_top.j2d_di_cmd == 2'h1 ) ) ) |
| 355 | -ret_id `jdia_top.j2d_di_ctag[14:11] |
| 356 | -clock `jdia_clk -reset `jdia_rst */ |
| 357 | |
| 358 | // pio read |
| 359 | /* 0in bus_id |
| 360 | -req ( `jdia_top.j2d_p_cmd_vld & ( ( `jdia_top.j2d_p_cmd == 4'hc ) |
| 361 | | ( `jdia_top.j2d_p_cmd == 4'hd ) |
| 362 | | ( `jdia_top.j2d_p_cmd == 4'he ) |
| 363 | | ( `jdia_top.j2d_p_cmd == 4'hf ) ) ) |
| 364 | -req_id `jdia_top.j2d_p_ctag[10:7] |
| 365 | -ret ( `jdia_top.d2j_cmd_vld & ( ( `jdia_top.d2j_cmd == 4'h8 ) |
| 366 | | ( `jdia_top.d2j_cmd == 4'ha ) |
| 367 | | ( `jdia_top.d2j_cmd == 4'hb ) ) ) |
| 368 | -ret_id `jdia_top.d2j_ctag[11:8] |
| 369 | -clock `jdia_clk -reset `jdia_rst */ |
| 370 | |
| 371 | // pio write |
| 372 | /* 0in bus_id |
| 373 | -req ( `jdia_top.j2d_p_cmd_vld & ( ( `jdia_top.j2d_p_cmd == 4'h4 ) |
| 374 | | ( `jdia_top.j2d_p_cmd == 4'h5 ) |
| 375 | | ( `jdia_top.j2d_p_cmd == 4'h6 ) |
| 376 | | ( `jdia_top.j2d_p_cmd == 4'h7 ) ) ) |
| 377 | -req_id `jdia_top.j2d_p_ctag[10:7] |
| 378 | -ret `jdia_top.d2j_p_wrack_vld |
| 379 | -ret_id `jdia_top.d2j_p_wrack_tag |
| 380 | -clock `jdia_clk -reset `jdia_rst */ |
| 381 | |
| 382 | // interrupt |
| 383 | ///* x0in bus_id |
| 384 | // -req ( `jdia_top.d2j_cmd_vld & ( `jdia_top.d2j_cmd == 4'b0100 ) ) |
| 385 | // -req_id `jdia_top.d2j_ctag[14:11] |
| 386 | // -ret ( `jdia_top.j2d_di_cmd_vld & ( ( `jdia_top.j2d_di_cmd == 2'h2 ) |
| 387 | // | ( `jdia_top.j2d_di_cmd == 2'h3 ) ) ) |
| 388 | // -ret_id `jdia_top.j2d_di_ctag[14:11] |
| 389 | // -clock `jdia_clk -reset `jdia_rst */ |
| 390 | |
| 391 | |
| 392 | endmodule // jdia_checkers |