[14] | 1 | /**CFile*********************************************************************** |
---|
| 2 | |
---|
| 3 | FileName [ ioWriteBlifIo.c ] |
---|
| 4 | |
---|
| 5 | PackageName [ io ] |
---|
| 6 | |
---|
| 7 | Synopsis [ This file contains blifmv -> blif write routines that handle |
---|
| 8 | the functionality of files IO.] |
---|
| 9 | |
---|
| 10 | Description [ Routines for writing determinized, encoded tables to a file |
---|
| 11 | as requested by the write_blif command. All file IO routines |
---|
| 12 | are contained in this file. ] |
---|
| 13 | |
---|
| 14 | SeeAlso [ ioReadBlifmv.c, ioWriteBlif.c, ioWriteBlifUtil.c] |
---|
| 15 | |
---|
| 16 | Author [ Sunil P. Khatri ] |
---|
| 17 | |
---|
| 18 | Copyright [Copyright (c) 1994-1996 The Regents of the Univ. of California. |
---|
| 19 | All rights reserved. |
---|
| 20 | |
---|
| 21 | Permission is hereby granted, without written agreement and without license |
---|
| 22 | or royalty fees, to use, copy, modify, and distribute this software and its |
---|
| 23 | documentation for any purpose, provided that the above copyright notice and |
---|
| 24 | the following two paragraphs appear in all copies of this software. |
---|
| 25 | |
---|
| 26 | IN NO EVENT SHALL THE UNIVERSITY OF CALIFORNIA BE LIABLE TO ANY PARTY FOR |
---|
| 27 | DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING OUT |
---|
| 28 | OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF THE UNIVERSITY OF |
---|
| 29 | CALIFORNIA HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
---|
| 30 | |
---|
| 31 | THE UNIVERSITY OF CALIFORNIA SPECIFICALLY DISCLAIMS ANY WARRANTIES, |
---|
| 32 | INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND |
---|
| 33 | FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS ON AN |
---|
| 34 | "AS IS" BASIS, AND THE UNIVERSITY OF CALIFORNIA HAS NO OBLIGATION TO PROVIDE |
---|
| 35 | MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.] |
---|
| 36 | |
---|
| 37 | ******************************************************************************/ |
---|
| 38 | |
---|
| 39 | #include "ioInt.h" |
---|
| 40 | |
---|
| 41 | static char rcsid[] UNUSED = "$Id: ioWriteBlifIo.c,v 1.13 2005/05/14 02:15:22 fabio Exp $"; |
---|
| 42 | |
---|
| 43 | /*---------------------------------------------------------------------------*/ |
---|
| 44 | /* Macro declarations */ |
---|
| 45 | /*---------------------------------------------------------------------------*/ |
---|
| 46 | |
---|
| 47 | |
---|
| 48 | |
---|
| 49 | /**AutomaticStart*************************************************************/ |
---|
| 50 | |
---|
| 51 | /*---------------------------------------------------------------------------*/ |
---|
| 52 | /* Static function prototypes */ |
---|
| 53 | /*---------------------------------------------------------------------------*/ |
---|
| 54 | |
---|
| 55 | static void _IoEncodeWriteVariable(Var_Variable_t *var, FILE *encFp, int varIsOutput, st_table *encOutputsStTable, st_table *encInputsStTable); |
---|
| 56 | static void _IoEncodeWriteVariableSpecial(Var_Variable_t *var, FILE *encFp, int varIsOutput, st_table *encOutputsStTable, st_table *encInputsStTable); |
---|
| 57 | |
---|
| 58 | /**AutomaticEnd***************************************************************/ |
---|
| 59 | |
---|
| 60 | |
---|
| 61 | /*---------------------------------------------------------------------------*/ |
---|
| 62 | /* Definition of exported functions */ |
---|
| 63 | /*---------------------------------------------------------------------------*/ |
---|
| 64 | |
---|
| 65 | |
---|
| 66 | /*---------------------------------------------------------------------------*/ |
---|
| 67 | /* Definition of internal functions */ |
---|
| 68 | /*---------------------------------------------------------------------------*/ |
---|
| 69 | |
---|
| 70 | |
---|
| 71 | /**Function*********************************************************** |
---|
| 72 | |
---|
| 73 | Synopsis [ Writes out mv->binary encoding tables for relevant variables] |
---|
| 74 | |
---|
| 75 | Description [ ] |
---|
| 76 | |
---|
| 77 | SideEffects [ ] |
---|
| 78 | |
---|
| 79 | SeeAlso [ ] |
---|
| 80 | ************************************************************************/ |
---|
| 81 | void |
---|
| 82 | IoEncWriteMvToBinTables( |
---|
| 83 | Hrc_Node_t *hnode, |
---|
| 84 | FILE *encFp, |
---|
| 85 | st_table *encOutputsStTable, |
---|
| 86 | st_table *encInputsStTable, |
---|
| 87 | int combinationalOnly |
---|
| 88 | ) |
---|
| 89 | { |
---|
| 90 | int i; |
---|
| 91 | Var_Variable_t *var; |
---|
| 92 | st_generator *gen; |
---|
| 93 | char *childname; |
---|
| 94 | Hrc_Node_t *childnode; |
---|
| 95 | |
---|
| 96 | /* latch IOs encoding tables not handled here */ |
---|
| 97 | /* if a PI or SO drives a latch, then in the combinational case, this |
---|
| 98 | PI is not encoded (since the (mv) latch will be reinstated after |
---|
| 99 | sis optimization. In the non-comvinational case ("wl" or "wl -l") |
---|
| 100 | every PI and SO is encoded. |
---|
| 101 | */ |
---|
| 102 | if(combinationalOnly){ |
---|
| 103 | Hrc_NodeForEachFormalInput(hnode, i, var){ |
---|
| 104 | if(!((Var_VariableReadNumFanoutTables(var) == 0))){ |
---|
| 105 | _IoEncodeWriteVariable(var, encFp, 0, encOutputsStTable, encInputsStTable); |
---|
| 106 | } |
---|
| 107 | } |
---|
| 108 | Hrc_NodeForEachChild(hnode, gen, childname, childnode){ |
---|
| 109 | Hrc_NodeForEachActualOutput(childnode, i, var){ |
---|
| 110 | if(!((Var_VariableReadNumFanoutTables(var) == 0))){ |
---|
| 111 | _IoEncodeWriteVariable(var, encFp, 0, encOutputsStTable, encInputsStTable); |
---|
| 112 | } |
---|
| 113 | } |
---|
| 114 | } |
---|
| 115 | } |
---|
| 116 | else{ |
---|
| 117 | Hrc_NodeForEachFormalInput(hnode, i, var){ |
---|
| 118 | _IoEncodeWriteVariable(var, encFp, 0, encOutputsStTable, encInputsStTable); |
---|
| 119 | } |
---|
| 120 | Hrc_NodeForEachChild(hnode, gen, childname, childnode){ |
---|
| 121 | Hrc_NodeForEachActualOutput(childnode, i, var){ |
---|
| 122 | _IoEncodeWriteVariable(var, encFp, 0, encOutputsStTable, encInputsStTable); |
---|
| 123 | } |
---|
| 124 | } |
---|
| 125 | } |
---|
| 126 | } |
---|
| 127 | |
---|
| 128 | /**Function*********************************************************** |
---|
| 129 | |
---|
| 130 | Synopsis [ Writes out binary->mv decoding tables for relevant variables] |
---|
| 131 | |
---|
| 132 | Description [ ] |
---|
| 133 | |
---|
| 134 | SideEffects [ ] |
---|
| 135 | |
---|
| 136 | SeeAlso [ ] |
---|
| 137 | ************************************************************************/ |
---|
| 138 | void |
---|
| 139 | IoEncWriteBinToMvTables( |
---|
| 140 | Hrc_Node_t *hnode, |
---|
| 141 | FILE *encFp, |
---|
| 142 | st_table *encOutputsStTable, |
---|
| 143 | st_table *encInputsStTable, |
---|
| 144 | int combinationalOnly, |
---|
| 145 | int makeLatchIOsPOs |
---|
| 146 | ) |
---|
| 147 | { |
---|
| 148 | int i; |
---|
| 149 | Var_Variable_t *var; |
---|
| 150 | st_generator *gen; |
---|
| 151 | char *childname; |
---|
| 152 | Hrc_Node_t *childnode; |
---|
| 153 | |
---|
| 154 | /* latch IOs encoding tables not handled here */ |
---|
| 155 | /* if a PO or SI is driven by a latch, then in the combinational case, this |
---|
| 156 | var is not encoded (since the (mv) latch will be reinstated after |
---|
| 157 | sis optimization. In case of "wl -l" the same applies, since we are sure |
---|
| 158 | to be able to reinstate teh mv latch after sis optimization. However, in "wl" |
---|
| 159 | every PI and SO is encoded since we are not sure that mv latches can be |
---|
| 160 | reinstated after sis optimization. Similarly, if teh PO or SI is a PI/SO |
---|
| 161 | then no encoding is needed in all cases (comb or non-comb) |
---|
| 162 | */ |
---|
| 163 | /* if(combinationalOnly || makeLatchIOsPOs){ */ |
---|
| 164 | /* The above line was changed since "wl -l" now writes out latches such that |
---|
| 165 | they drive a buffer node. As a result, even if a PO or SI is driven by the |
---|
| 166 | latch, the PO/SI needs bin-mv tables |
---|
| 167 | */ |
---|
| 168 | if(combinationalOnly){ |
---|
| 169 | Hrc_NodeForEachFormalOutput(hnode, i, var){ |
---|
| 170 | if(!((Var_VariableTestIsSO(var) || Var_VariableTestIsPI(var) || |
---|
| 171 | Var_VariableTestIsPS(var)))){ |
---|
| 172 | _IoEncodeWriteVariable(var, encFp, 1, encOutputsStTable, encInputsStTable); |
---|
| 173 | } |
---|
| 174 | } |
---|
| 175 | Hrc_NodeForEachChild(hnode, gen, childname, childnode){ |
---|
| 176 | Hrc_NodeForEachActualInput(childnode, i, var){ |
---|
| 177 | if(!((Var_VariableTestIsSO(var) || Var_VariableTestIsPI(var) || |
---|
| 178 | Var_VariableTestIsPS(var)))){ |
---|
| 179 | _IoEncodeWriteVariable(var, encFp, 1, encOutputsStTable, encInputsStTable); |
---|
| 180 | } |
---|
| 181 | } |
---|
| 182 | } |
---|
| 183 | } |
---|
| 184 | else{ |
---|
| 185 | Hrc_NodeForEachFormalOutput(hnode, i, var){ |
---|
| 186 | if(!((Var_VariableTestIsSO(var) || Var_VariableTestIsPI(var)))){ |
---|
| 187 | _IoEncodeWriteVariable(var, encFp, 1, encOutputsStTable, encInputsStTable); |
---|
| 188 | } |
---|
| 189 | } |
---|
| 190 | Hrc_NodeForEachChild(hnode, gen, childname, childnode){ |
---|
| 191 | Hrc_NodeForEachActualInput(childnode, i, var){ |
---|
| 192 | if(!((Var_VariableTestIsSO(var) || Var_VariableTestIsPI(var)))){ |
---|
| 193 | _IoEncodeWriteVariable(var, encFp, 1, encOutputsStTable, encInputsStTable); |
---|
| 194 | } |
---|
| 195 | } |
---|
| 196 | } |
---|
| 197 | } |
---|
| 198 | } |
---|
| 199 | |
---|
| 200 | /**Function*********************************************************** |
---|
| 201 | |
---|
| 202 | Synopsis [ Writes out .input line for blif file] |
---|
| 203 | |
---|
| 204 | Description [ ] |
---|
| 205 | |
---|
| 206 | SideEffects [ ] |
---|
| 207 | |
---|
| 208 | SeeAlso [ ] |
---|
| 209 | ************************************************************************/ |
---|
| 210 | int |
---|
| 211 | IoBlifWriteInputs( |
---|
| 212 | Hrc_Node_t *hnode, |
---|
| 213 | FILE *fp, |
---|
| 214 | st_table *blifInputsStTable, |
---|
| 215 | int combinationalOnly, |
---|
| 216 | int makeLatchIOsPOs |
---|
| 217 | ) |
---|
| 218 | { |
---|
| 219 | int i, j, k, numVal, numEncBits, numInputsWritten; |
---|
| 220 | Tbl_Table_t *table; |
---|
| 221 | st_generator *gen; |
---|
| 222 | Var_Variable_t *var; |
---|
| 223 | char *name, *dupName, *varName; |
---|
| 224 | boolean test; |
---|
| 225 | |
---|
| 226 | numInputsWritten = 0; |
---|
| 227 | fprintf(fp,".inputs "); |
---|
| 228 | Hrc_NodeForEachNameTable(hnode, i, table){ |
---|
| 229 | Tbl_TableForEachInputVar(table, k, var){ |
---|
| 230 | if(combinationalOnly){ |
---|
| 231 | test = Var_VariableTestIsPS(var) || Var_VariableTestIsSO(var) || Var_VariableTestIsPI(var); |
---|
| 232 | } |
---|
| 233 | else{ |
---|
| 234 | test = Var_VariableTestIsSO(var) || Var_VariableTestIsPI(var); |
---|
| 235 | } |
---|
| 236 | if(test){ |
---|
| 237 | name = Var_VariableReadName(var); |
---|
| 238 | numVal = Var_VariableReadNumValues(var); |
---|
| 239 | numEncBits = IoNumEncBits(numVal); |
---|
| 240 | for(j=0; j<numEncBits; j++){ |
---|
| 241 | dupName = ALLOC(char, strlen(name) + IoNumDigits(numEncBits) + 2); |
---|
| 242 | sprintf(dupName, "%s%d", name, j); |
---|
| 243 | if(!st_is_member(blifInputsStTable, (char *)dupName)){ |
---|
| 244 | fprintf(fp,"%s ",dupName); |
---|
| 245 | numInputsWritten++; |
---|
| 246 | st_insert(blifInputsStTable, (char *)dupName, (char *)1); |
---|
| 247 | } |
---|
| 248 | else{ |
---|
| 249 | FREE(dupName); |
---|
| 250 | } |
---|
| 251 | } |
---|
| 252 | } |
---|
| 253 | } |
---|
| 254 | } |
---|
| 255 | if(!combinationalOnly){ |
---|
| 256 | Hrc_NodeForEachVariable(hnode, gen, varName, var){ |
---|
| 257 | if(Var_VariableTestIsPI(var)){ |
---|
| 258 | name = Var_VariableReadName(var); |
---|
| 259 | numVal = Var_VariableReadNumValues(var); |
---|
| 260 | numEncBits = IoNumEncBits(numVal); |
---|
| 261 | for(j=0; j<numEncBits; j++){ |
---|
| 262 | dupName = ALLOC(char, strlen(name) + IoNumDigits(numEncBits) + 2); |
---|
| 263 | sprintf(dupName, "%s%d", name, j); |
---|
| 264 | if(!st_is_member(blifInputsStTable, (char *)dupName)){ |
---|
| 265 | fprintf(fp,"%s ",dupName); |
---|
| 266 | numInputsWritten++; |
---|
| 267 | st_insert(blifInputsStTable, (char *)dupName, (char *)1); |
---|
| 268 | } |
---|
| 269 | else{ |
---|
| 270 | FREE(dupName); |
---|
| 271 | } |
---|
| 272 | } |
---|
| 273 | } |
---|
| 274 | } |
---|
| 275 | } |
---|
| 276 | return numInputsWritten; |
---|
| 277 | } |
---|
| 278 | |
---|
| 279 | |
---|
| 280 | /**Function*********************************************************** |
---|
| 281 | |
---|
| 282 | Synopsis [ Writes out .output line for blif file] |
---|
| 283 | |
---|
| 284 | Description [ ] |
---|
| 285 | |
---|
| 286 | SideEffects [ ] |
---|
| 287 | |
---|
| 288 | SeeAlso [ ] |
---|
| 289 | ************************************************************************/ |
---|
| 290 | int |
---|
| 291 | IoBlifWriteOutputs( |
---|
| 292 | Hrc_Node_t *hnode, |
---|
| 293 | FILE *fp, |
---|
| 294 | st_table *blifOutputsStTable, |
---|
| 295 | int combinationalOnly, |
---|
| 296 | int makeLatchIOsPOs |
---|
| 297 | ) |
---|
| 298 | { |
---|
| 299 | int i, j, k, numVal, numEncBits, numOutputsWritten; |
---|
| 300 | Tbl_Table_t *table; |
---|
| 301 | st_generator *gen; |
---|
| 302 | Var_Variable_t *var; |
---|
| 303 | char *name, *dupName, *varName; |
---|
| 304 | boolean test; |
---|
| 305 | |
---|
| 306 | numOutputsWritten = 0; |
---|
| 307 | fprintf(fp,"\n.outputs "); |
---|
| 308 | Hrc_NodeForEachNameTable(hnode, i, table){ |
---|
| 309 | Tbl_TableForEachOutputVar(table, k, var){ |
---|
| 310 | if(combinationalOnly){ |
---|
| 311 | test = Var_VariableTestIsNS(var) || Var_VariableTestIsSI(var) || Var_VariableTestIsPO(var); |
---|
| 312 | } |
---|
| 313 | else{ |
---|
| 314 | test = Var_VariableTestIsSI(var) || Var_VariableTestIsPO(var); |
---|
| 315 | } |
---|
| 316 | if(test){ |
---|
| 317 | name = Var_VariableReadName(var); |
---|
| 318 | numVal = Var_VariableReadNumValues(var); |
---|
| 319 | numEncBits = IoNumEncBits(numVal); |
---|
| 320 | for(j=0; j<numEncBits; j++){ |
---|
| 321 | dupName = ALLOC(char, strlen(name) + IoNumDigits(numEncBits) + 2); |
---|
| 322 | sprintf(dupName, "%s%d", name, j); |
---|
| 323 | if(!st_is_member(blifOutputsStTable, (char *)dupName)){ |
---|
| 324 | fprintf(fp,"%s ",dupName); |
---|
| 325 | numOutputsWritten++; |
---|
| 326 | st_insert(blifOutputsStTable, (char *)dupName, (char *)1); |
---|
| 327 | } |
---|
| 328 | else{ |
---|
| 329 | FREE(dupName); |
---|
| 330 | } |
---|
| 331 | } |
---|
| 332 | } |
---|
| 333 | } |
---|
| 334 | } |
---|
| 335 | if(!combinationalOnly){ |
---|
| 336 | Hrc_NodeForEachVariable(hnode, gen, varName, var){ |
---|
| 337 | if(Var_VariableTestIsPO(var) && Var_VariableTestIsPS(var)){ |
---|
| 338 | name = Var_VariableReadName(var); |
---|
| 339 | numVal = Var_VariableReadNumValues(var); |
---|
| 340 | numEncBits = IoNumEncBits(numVal); |
---|
| 341 | for(j=0; j<numEncBits; j++){ |
---|
| 342 | dupName = ALLOC(char, strlen(name) + IoNumDigits(numEncBits) + 2); |
---|
| 343 | sprintf(dupName, "%s%d", name, j); |
---|
| 344 | if(!st_is_member(blifOutputsStTable, (char *)dupName)){ |
---|
| 345 | fprintf(fp,"%s ",dupName); |
---|
| 346 | numOutputsWritten++; |
---|
| 347 | st_insert(blifOutputsStTable, (char *)dupName, (char *)1); |
---|
| 348 | } |
---|
| 349 | else{ |
---|
| 350 | FREE(dupName); |
---|
| 351 | } |
---|
| 352 | } |
---|
| 353 | } |
---|
| 354 | } |
---|
| 355 | } |
---|
| 356 | fprintf(fp,"\n"); |
---|
| 357 | return numOutputsWritten; |
---|
| 358 | } |
---|
| 359 | |
---|
| 360 | /**Function******************************************************************** |
---|
| 361 | |
---|
| 362 | Synopsis [Writes out latches to the blif file] |
---|
| 363 | |
---|
| 364 | Description [ ] |
---|
| 365 | |
---|
| 366 | SideEffects [] |
---|
| 367 | |
---|
| 368 | SeeAlso [] |
---|
| 369 | |
---|
| 370 | ******************************************************************************/ |
---|
| 371 | void |
---|
| 372 | IoWriteLatches( |
---|
| 373 | Hrc_Node_t *hnode, |
---|
| 374 | FILE *fp, |
---|
| 375 | FILE *encFp, |
---|
| 376 | st_table *printedMvsStTable, |
---|
| 377 | st_table *blifOutputsStTable, |
---|
| 378 | st_table *blifInputsStTable, |
---|
| 379 | st_table *encOutputsStTable, |
---|
| 380 | st_table *encInputsStTable, |
---|
| 381 | int combinationalOnly, |
---|
| 382 | int makeLatchIOsPOs, |
---|
| 383 | int verbosity |
---|
| 384 | ) |
---|
| 385 | { |
---|
| 386 | Hrc_Latch_t *latch; |
---|
| 387 | st_generator *gen; |
---|
| 388 | char *varName, *latchName, *inputVarName, *outputVarName; |
---|
| 389 | char *latchInName, *latchOutName, *dupName; |
---|
| 390 | Var_Variable_t *outputVar, *inputVar, *var; |
---|
| 391 | Tbl_Table_t *resetTable; |
---|
| 392 | boolean test; |
---|
| 393 | int i, j, index, tempResetValue, resetValue, numEncBits, numVal; |
---|
| 394 | st_table *encodedResetVarsStTable; |
---|
| 395 | |
---|
| 396 | mdd_manager *mddMgr; |
---|
| 397 | Ntk_Node_t *ntkLatch, *ntkCombInput, *latchResetNtkNode; |
---|
| 398 | Ntk_Network_t *network; |
---|
| 399 | st_table *tableOfLeaves; |
---|
| 400 | array_t *singletonArrayOfRoots, *singletonMvfArray; |
---|
| 401 | Mvf_Function_t *mvf; |
---|
| 402 | lsGen listGen; |
---|
| 403 | Hrc_Manager_t *HrcMgr; |
---|
| 404 | |
---|
| 405 | /* stuff for doing reset table constantness check. Needs to do a "flt -b", "ord" |
---|
| 406 | and create a leaves table for mvf computation later. |
---|
| 407 | */ |
---|
| 408 | mddMgr = mdd_init_empty(); |
---|
| 409 | bdd_dynamic_reordering(mddMgr, BDD_REORDER_SIFT,BDD_REORDER_VERBOSITY_DEFAULT); |
---|
| 410 | |
---|
| 411 | HrcMgr = Hrc_NodeReadManager(hnode); |
---|
| 412 | Hrc_ManagerSetCurrentNode(HrcMgr, hnode); |
---|
| 413 | |
---|
| 414 | network = Ntk_HrcNodeConvertToNetwork(hnode, TRUE, (lsList) NULL); |
---|
| 415 | Ord_NetworkOrderVariables(network, Ord_RootsByDefault_c, Ord_NodesByDefault_c, 0, Ord_InputAndLatch_c, Ord_Unassigned_c, (lsList) NULL, 0); |
---|
| 416 | tableOfLeaves = st_init_table(st_ptrcmp, st_ptrhash); |
---|
| 417 | Ntk_NetworkForEachCombInput(network, listGen, ntkCombInput) { |
---|
| 418 | st_insert(tableOfLeaves, (char *)ntkCombInput, (char *) (long) (-1) ); |
---|
| 419 | } |
---|
| 420 | |
---|
| 421 | encodedResetVarsStTable = st_init_table(strcmp, st_strhash); |
---|
| 422 | Hrc_NodeForEachLatch(hnode, gen, latchName, latch){ |
---|
| 423 | inputVar = Hrc_LatchReadInput(latch); |
---|
| 424 | outputVar = Hrc_LatchReadOutput(latch); |
---|
| 425 | inputVarName = Var_VariableReadName(inputVar); |
---|
| 426 | outputVarName = Var_VariableReadName(outputVar); |
---|
| 427 | resetTable = Hrc_LatchReadResetTable(latch); |
---|
| 428 | |
---|
| 429 | IoMvCheckPrint(encFp,inputVar,printedMvsStTable); |
---|
| 430 | /* if makeLatchIOsPOs, then the .mv statement should have "_bufin" appended to the |
---|
| 431 | variable names */ |
---|
| 432 | if(makeLatchIOsPOs){ |
---|
| 433 | IoMvCheckPrintSpecial(encFp,outputVar,printedMvsStTable); |
---|
| 434 | } |
---|
| 435 | else{ |
---|
| 436 | IoMvCheckPrint(encFp,outputVar,printedMvsStTable); |
---|
| 437 | } |
---|
| 438 | |
---|
| 439 | |
---|
| 440 | /* Write bin2mv table for input var if needed */ |
---|
| 441 | /* if makeLatchIOsPOs, then the test for writing the bin2mv table should not include |
---|
| 442 | a check to see if the var is a PS. This was previously required, since in hte case |
---|
| 443 | where a latchOutput drove a latchInput, we wanted to reinstate both mv latches after |
---|
| 444 | read_blif, and so didnt need any enc/dec tables. However, if makeLatchIOsPOs, then we |
---|
| 445 | will insert a buffer after latches, so enc/dec tables _will_ be needed. |
---|
| 446 | */ |
---|
| 447 | if(makeLatchIOsPOs){ |
---|
| 448 | if(!IoVarIsHnodePIO(hnode, inputVar)){ |
---|
| 449 | if(!st_is_member(encodedResetVarsStTable, (char *)Var_VariableReadName(inputVar))){ |
---|
| 450 | _IoEncodeWriteVariable(inputVar, encFp, 1, encOutputsStTable, encInputsStTable); |
---|
| 451 | st_insert(encodedResetVarsStTable, (char *)Var_VariableReadName(inputVar), (char *)1); |
---|
| 452 | } |
---|
| 453 | } |
---|
| 454 | } |
---|
| 455 | else{ |
---|
| 456 | if(!IoVarIsHnodePIO(hnode, inputVar) && !Var_VariableTestIsPS(inputVar)){ |
---|
| 457 | if(!st_is_member(encodedResetVarsStTable, (char *)Var_VariableReadName(inputVar))){ |
---|
| 458 | _IoEncodeWriteVariable(inputVar, encFp, 1, encOutputsStTable, encInputsStTable); |
---|
| 459 | st_insert(encodedResetVarsStTable, (char *)Var_VariableReadName(inputVar), (char *)1); |
---|
| 460 | } |
---|
| 461 | } |
---|
| 462 | } |
---|
| 463 | |
---|
| 464 | /* Write mv2bin table for output var if needed */ |
---|
| 465 | /* if makeLatchIOsPOs, then the enc tables should have "_bufin" appended to the |
---|
| 466 | names. This is a hack, and I dont insert this name in the table since it does |
---|
| 467 | not correspond to a real name in the hrc node. |
---|
| 468 | */ |
---|
| 469 | if(makeLatchIOsPOs){ |
---|
| 470 | _IoEncodeWriteVariableSpecial(outputVar, encFp, 0, encOutputsStTable, encInputsStTable); |
---|
| 471 | } |
---|
| 472 | else{ |
---|
| 473 | if(!(Var_VariableReadNumFanoutTables(outputVar) == 0)){ |
---|
| 474 | if(!st_is_member(encodedResetVarsStTable, (char *)Var_VariableReadName(outputVar))){ |
---|
| 475 | _IoEncodeWriteVariable(outputVar, encFp, 0, encOutputsStTable, encInputsStTable); |
---|
| 476 | st_insert(encodedResetVarsStTable, (char *)Var_VariableReadName(outputVar), (char *)1); |
---|
| 477 | } |
---|
| 478 | } |
---|
| 479 | } |
---|
| 480 | /* Write latch IOs as POs if the "-l" option was used */ |
---|
| 481 | if(makeLatchIOsPOs){ |
---|
| 482 | /* |
---|
| 483 | first deal with inputVar - check if it has been printed to |
---|
| 484 | blif file in binary form, by looking up blifInputsStTable |
---|
| 485 | */ |
---|
| 486 | numVal = Var_VariableReadNumValues(inputVar); |
---|
| 487 | numEncBits = IoNumEncBits(numVal); |
---|
| 488 | for(j=0; j<numEncBits; j++){ |
---|
| 489 | dupName = ALLOC(char, strlen(inputVarName) + IoNumDigits(numEncBits) + 2); |
---|
| 490 | sprintf(dupName, "%s%d", inputVarName, j); |
---|
| 491 | if(!st_is_member(blifInputsStTable, (char *)dupName)){ |
---|
| 492 | fprintf(fp,".outputs %s\n",dupName); |
---|
| 493 | st_insert(blifInputsStTable, (char *)dupName, (char *)1); |
---|
| 494 | } |
---|
| 495 | else{ |
---|
| 496 | FREE(dupName); |
---|
| 497 | } |
---|
| 498 | } |
---|
| 499 | /* |
---|
| 500 | next deal with outputVar - check if it has been printed to |
---|
| 501 | blif file in binary form, by looking up blifOutputsStTable |
---|
| 502 | */ |
---|
| 503 | numVal = Var_VariableReadNumValues(outputVar); |
---|
| 504 | numEncBits = IoNumEncBits(numVal); |
---|
| 505 | for(j=0; j<numEncBits; j++){ |
---|
| 506 | dupName = ALLOC(char, strlen(outputVarName) + IoNumDigits(numEncBits) + 2); |
---|
| 507 | sprintf(dupName, "%s%d", outputVarName, j); |
---|
| 508 | if(!st_is_member(blifOutputsStTable, (char *)dupName)){ |
---|
| 509 | fprintf(fp,".outputs %s\n",dupName); |
---|
| 510 | st_insert(blifOutputsStTable, (char *)dupName, (char *)1); |
---|
| 511 | } |
---|
| 512 | else{ |
---|
| 513 | FREE(dupName); |
---|
| 514 | } |
---|
| 515 | } |
---|
| 516 | } |
---|
| 517 | |
---|
| 518 | /* handle reset tables (all cases "wl -c", "wl -l", and "wl")*/ |
---|
| 519 | Tbl_TableForEachInputVar(resetTable, index, var){ |
---|
| 520 | if(!IoVarIsHnodePIO(hnode, var)){ |
---|
| 521 | IoMvCheckPrint(encFp, var,printedMvsStTable); |
---|
| 522 | } |
---|
| 523 | /* dont encode if (comb&ps) or (makeLatchIOsPOs&ps) */ |
---|
| 524 | /* if(!((combinationalOnly || makeLatchIOsPOs) && Var_VariableTestIsPS(var))){ */ |
---|
| 525 | /* since we insert a buffer after each latch whenever makeLatchIOsPOs, there will |
---|
| 526 | be a need for a bin2mv table for the latch output var. Previously, it was assumed |
---|
| 527 | that when the mv latch will replace the bin latches, there will be no need for a |
---|
| 528 | bin2mv table since the mv latch was directly driving the reset table. |
---|
| 529 | */ |
---|
| 530 | if(!(combinationalOnly && Var_VariableTestIsPS(var))){ |
---|
| 531 | /* if var is a PI or SO, then mv->bin tables exist for it, so dont |
---|
| 532 | make bin->mv tables since the mv variable will exist anyway |
---|
| 533 | */ |
---|
| 534 | if(!Var_VariableTestIsPI(var) && !Var_VariableTestIsSO(var)){ |
---|
| 535 | if(!st_is_member(encodedResetVarsStTable, (char *)Var_VariableReadName(var))){ |
---|
| 536 | _IoEncodeWriteVariable(var, encFp, 1, encOutputsStTable, encInputsStTable); |
---|
| 537 | st_insert(encodedResetVarsStTable, (char *)Var_VariableReadName(var), (char *)1); |
---|
| 538 | } |
---|
| 539 | } |
---|
| 540 | } |
---|
| 541 | /* |
---|
| 542 | if we are doing "wl -c" and there is a resetTable input var |
---|
| 543 | which is also a PS which does not have fanout tbls, then this |
---|
| 544 | variable will not be encoded and listed in the blif file. |
---|
| 545 | Hence such a variable should not be encoded and listed in teh |
---|
| 546 | blif file as a PO, since it will have no driving tables. |
---|
| 547 | */ |
---|
| 548 | if(!(combinationalOnly && Var_VariableTestIsPS(var) && |
---|
| 549 | (Var_VariableReadNumFanoutTables(var) == 0))){ |
---|
| 550 | /* |
---|
| 551 | write encoded vars as outputs after checking that they havent |
---|
| 552 | already been written as outputs or inputs to the blif file |
---|
| 553 | */ |
---|
| 554 | varName = Var_VariableReadName(var); |
---|
| 555 | numVal = Var_VariableReadNumValues(var); |
---|
| 556 | numEncBits = IoNumEncBits(numVal); |
---|
| 557 | for(j=0; j<numEncBits; j++){ |
---|
| 558 | dupName = ALLOC(char, strlen(varName) + IoNumDigits(numEncBits) + 2); |
---|
| 559 | sprintf(dupName, "%s%d", varName, j); |
---|
| 560 | if(!st_is_member(blifInputsStTable, (char *)dupName) && !st_is_member(blifOutputsStTable, (char *)dupName)){ |
---|
| 561 | fprintf(fp,".outputs %s\n",dupName); |
---|
| 562 | st_insert(blifOutputsStTable, (char *)dupName, (char *)1); |
---|
| 563 | } |
---|
| 564 | else{ |
---|
| 565 | FREE(dupName); |
---|
| 566 | } |
---|
| 567 | } |
---|
| 568 | } |
---|
| 569 | } |
---|
| 570 | } |
---|
| 571 | |
---|
| 572 | /* write latch stmts to blif file */ |
---|
| 573 | Hrc_NodeForEachLatch(hnode, gen, latchName, latch){ |
---|
| 574 | inputVar = Hrc_LatchReadInput(latch); |
---|
| 575 | outputVar = Hrc_LatchReadOutput(latch); |
---|
| 576 | inputVarName = Var_VariableReadName(inputVar); |
---|
| 577 | outputVarName = Var_VariableReadName(outputVar); |
---|
| 578 | resetTable = Hrc_LatchReadResetTable(latch); |
---|
| 579 | /* write out mv latches to enc file, they are needed even if we are |
---|
| 580 | writing only combinational part of the network */ |
---|
| 581 | /* if makeLatchIOsPOs, then append "_bufin" to the output name, since latch |
---|
| 582 | outputs are buffered. Also, reset table should reflect this new name. |
---|
| 583 | */ |
---|
| 584 | if(makeLatchIOsPOs){ |
---|
| 585 | (void)fprintf(encFp, ".latch %s %s_bufin \n", inputVarName, outputVarName); |
---|
| 586 | Tbl_TableWriteBlifMvToFileSpecial(resetTable, 1, encFp); |
---|
| 587 | } |
---|
| 588 | else{ |
---|
| 589 | (void)fprintf(encFp, ".latch %s %s \n", inputVarName, outputVarName); |
---|
| 590 | Tbl_TableWriteBlifMvToFile(resetTable, 1, encFp); |
---|
| 591 | } |
---|
| 592 | |
---|
| 593 | /* determine value of reset table - whether const, or not */ |
---|
| 594 | if(!combinationalOnly){ |
---|
| 595 | ntkLatch = Ntk_NetworkFindNodeByName(network, latchName); |
---|
| 596 | assert(Ntk_NodeTestIsLatch(ntkLatch)); |
---|
| 597 | latchResetNtkNode = Ntk_LatchReadInitialInput(ntkLatch); |
---|
| 598 | singletonArrayOfRoots = array_alloc(Ntk_Node_t *, 0); |
---|
| 599 | array_insert_last(Ntk_Node_t *, singletonArrayOfRoots, latchResetNtkNode); |
---|
| 600 | singletonMvfArray = Ntm_NetworkBuildMvfs(network, singletonArrayOfRoots, tableOfLeaves, NIL(mdd_t)); |
---|
| 601 | mvf = array_fetch(Mvf_Function_t *, singletonMvfArray, 0); |
---|
| 602 | array_free(singletonMvfArray); |
---|
| 603 | array_free(singletonArrayOfRoots); |
---|
| 604 | test = Mvf_FunctionTestIsConstant(mvf, &resetValue); |
---|
| 605 | Mvf_FunctionFree(mvf); |
---|
| 606 | if(verbosity > 1){ |
---|
| 607 | (void)fprintf(stdout, "Reset table is: \n"); |
---|
| 608 | Tbl_TableWriteBlifMvToFile(resetTable, 0, stdout); |
---|
| 609 | } |
---|
| 610 | if(verbosity > 0){ |
---|
| 611 | (void)fprintf(stdout, "Reset table constantness test result was %d\n", test); |
---|
| 612 | } |
---|
| 613 | if(test == FALSE){ |
---|
| 614 | resetValue = VIS_INFINITY; |
---|
| 615 | } |
---|
| 616 | if(verbosity > 0){ |
---|
| 617 | fprintf(stdout, "Reset value %d\n", resetValue); |
---|
| 618 | } |
---|
| 619 | |
---|
| 620 | /* write latches to blif file */ |
---|
| 621 | numEncBits = IoNumEncBits(Var_VariableReadNumValues(inputVar)); |
---|
| 622 | if(resetValue == VIS_INFINITY){ |
---|
| 623 | for(i = 0; i < numEncBits; i++){ |
---|
| 624 | resetValue = 2; |
---|
| 625 | latchInName = ALLOC(char, strlen(inputVarName) + IoNumDigits(numEncBits) + 2); |
---|
| 626 | latchOutName = ALLOC(char, strlen(outputVarName) + IoNumDigits(numEncBits) + 10); |
---|
| 627 | sprintf(latchInName, "%s%d", inputVarName, i); |
---|
| 628 | /* if makelatchIOsPOs, then latch drives buffer input, and buffer needs to be |
---|
| 629 | be written to the blif file too |
---|
| 630 | */ |
---|
| 631 | if(makeLatchIOsPOs){ |
---|
| 632 | sprintf(latchOutName, "%s_bufin%d", outputVarName, i); |
---|
| 633 | } |
---|
| 634 | else{ |
---|
| 635 | sprintf(latchOutName, "%s%d", outputVarName, i); |
---|
| 636 | } |
---|
| 637 | (void)fprintf(fp, ".latch %s %s %d\n", latchInName, latchOutName, resetValue); |
---|
| 638 | if(makeLatchIOsPOs){ |
---|
| 639 | (void)fprintf(fp, ".names %s %s%d\n", latchOutName, outputVarName, i); |
---|
| 640 | (void)fprintf(fp, "1 1\n"); |
---|
| 641 | } |
---|
| 642 | FREE(latchInName); |
---|
| 643 | FREE(latchOutName); |
---|
| 644 | } |
---|
| 645 | } |
---|
| 646 | else{ |
---|
| 647 | tempResetValue = resetValue; |
---|
| 648 | for(i = numEncBits - 1; i >= 0; i--){ |
---|
| 649 | if(((int)(tempResetValue / pow((double) 2, (double) i))) == 1){ |
---|
| 650 | resetValue = 1; |
---|
| 651 | tempResetValue = tempResetValue - (int)pow((double)2,(double)i); |
---|
| 652 | } |
---|
| 653 | else{ |
---|
| 654 | resetValue = 0; |
---|
| 655 | } |
---|
| 656 | latchInName = ALLOC(char, strlen(inputVarName) + IoNumDigits(numEncBits) + 2); |
---|
| 657 | latchOutName = ALLOC(char, strlen(outputVarName) + IoNumDigits(numEncBits) + 10); |
---|
| 658 | sprintf(latchInName, "%s%d", inputVarName, i); |
---|
| 659 | /* if makelatchIOsPOs, then latch drives buffer input, and buffer needs to be |
---|
| 660 | be written to the blif file too. |
---|
| 661 | */ |
---|
| 662 | if(makeLatchIOsPOs){ |
---|
| 663 | sprintf(latchOutName, "%s_bufin%d", outputVarName, i); |
---|
| 664 | } |
---|
| 665 | else{ |
---|
| 666 | sprintf(latchOutName, "%s%d", outputVarName, i); |
---|
| 667 | } |
---|
| 668 | (void)fprintf(fp, ".latch %s %s %d\n", latchInName, latchOutName, resetValue); |
---|
| 669 | if(makeLatchIOsPOs){ |
---|
| 670 | (void)fprintf(fp, ".names %s %s%d\n", latchOutName, outputVarName, i); |
---|
| 671 | (void)fprintf(fp, "1 1\n"); |
---|
| 672 | } |
---|
| 673 | FREE(latchInName); |
---|
| 674 | FREE(latchOutName); |
---|
| 675 | } |
---|
| 676 | } |
---|
| 677 | } |
---|
| 678 | } |
---|
| 679 | st_free_table(encodedResetVarsStTable); |
---|
| 680 | st_free_table(tableOfLeaves); |
---|
| 681 | Ntk_NetworkFree(network); |
---|
| 682 | mdd_quit(mddMgr); |
---|
| 683 | } |
---|
| 684 | |
---|
| 685 | |
---|
| 686 | /**Function******************************************************************** |
---|
| 687 | |
---|
| 688 | Synopsis [Prints the .mv declaration of a variable, to file, if it is not in the |
---|
| 689 | st_table variables already printed] |
---|
| 690 | |
---|
| 691 | Description [] |
---|
| 692 | |
---|
| 693 | SideEffects [] |
---|
| 694 | |
---|
| 695 | SeeAlso [] |
---|
| 696 | |
---|
| 697 | ******************************************************************************/ |
---|
| 698 | void |
---|
| 699 | IoMvCheckPrint( |
---|
| 700 | FILE *fp, |
---|
| 701 | Var_Variable_t *var, |
---|
| 702 | st_table *printedMvsStTable |
---|
| 703 | ) |
---|
| 704 | { |
---|
| 705 | char *varname, *tmpName; |
---|
| 706 | |
---|
| 707 | tmpName = Var_VariableReadName(var); |
---|
| 708 | varname = ALLOC(char, strlen(tmpName) + 2); |
---|
| 709 | sprintf(varname, "%s", tmpName); |
---|
| 710 | if(!st_is_member(printedMvsStTable, (char *)varname)){ |
---|
| 711 | st_insert(printedMvsStTable, (char *)varname, (char *)1); |
---|
| 712 | IoMvPrint(fp, var); |
---|
| 713 | } |
---|
| 714 | else{ |
---|
| 715 | FREE(varname); |
---|
| 716 | } |
---|
| 717 | } |
---|
| 718 | |
---|
| 719 | /**Function******************************************************************** |
---|
| 720 | |
---|
| 721 | Synopsis [Prints the .mv declaration of a variable, to file, if it is not in the |
---|
| 722 | st_table variables already printed. Appends a special string "_bufin" |
---|
| 723 | at the end of the name.] |
---|
| 724 | |
---|
| 725 | Description [] |
---|
| 726 | |
---|
| 727 | SideEffects [] |
---|
| 728 | |
---|
| 729 | SeeAlso [] |
---|
| 730 | |
---|
| 731 | ******************************************************************************/ |
---|
| 732 | void |
---|
| 733 | IoMvCheckPrintSpecial( |
---|
| 734 | FILE *fp, |
---|
| 735 | Var_Variable_t *var, |
---|
| 736 | st_table *printedMvsStTable |
---|
| 737 | ) |
---|
| 738 | { |
---|
| 739 | char *varname, *tmpName; |
---|
| 740 | |
---|
| 741 | tmpName = Var_VariableReadName(var); |
---|
| 742 | varname = ALLOC(char, strlen(tmpName) + 10); |
---|
| 743 | sprintf(varname, "%s_bufin", tmpName); |
---|
| 744 | if(!st_is_member(printedMvsStTable, (char *)varname)){ |
---|
| 745 | st_insert(printedMvsStTable, (char *)varname, (char *)1); |
---|
| 746 | IoMvPrintSpecial(fp, var); |
---|
| 747 | } |
---|
| 748 | else{ |
---|
| 749 | FREE(varname); |
---|
| 750 | } |
---|
| 751 | } |
---|
| 752 | |
---|
| 753 | |
---|
| 754 | /**Function******************************************************************** |
---|
| 755 | |
---|
| 756 | Synopsis [Writes a blifmv value, in expanded form, into binTable] |
---|
| 757 | |
---|
| 758 | Description [Writes the binary value corresponding to "value" in the binTable |
---|
| 759 | starting from the rootRow, rootCol entry. The values are repeated |
---|
| 760 | "entryRepetitionCount" times] |
---|
| 761 | |
---|
| 762 | SideEffects [] |
---|
| 763 | |
---|
| 764 | SeeAlso [] |
---|
| 765 | |
---|
| 766 | ******************************************************************************/ |
---|
| 767 | int |
---|
| 768 | IoWriteExpandedValueToBinTable( |
---|
| 769 | Tbl_Table_t *binTable, |
---|
| 770 | int rootRow, |
---|
| 771 | int rootCol, |
---|
| 772 | IoBinRangeEntry_t *binRangeEntry, |
---|
| 773 | int entryRepetitionCount, |
---|
| 774 | int numBits, |
---|
| 775 | int output |
---|
| 776 | ) |
---|
| 777 | { |
---|
| 778 | int i, j, row, value, numDash, end; |
---|
| 779 | Tbl_Entry_t *entry; |
---|
| 780 | |
---|
| 781 | numDash = IoLog(binRangeEntry->runLength); |
---|
| 782 | end = IoLog(binRangeEntry->skipLength); |
---|
| 783 | value = binRangeEntry->startValue; |
---|
| 784 | for(j = numBits - 1; j >= 0; j--){ |
---|
| 785 | row = rootRow; |
---|
| 786 | if((j < end) || (j >= numDash + end)){ |
---|
| 787 | if(((int)(value / pow((double) 2, (double) j))) == 1){ |
---|
| 788 | for(i = 0; i < entryRepetitionCount; i++){ |
---|
| 789 | entry = Tbl_EntryAlloc(Tbl_EntryNormal_c); |
---|
| 790 | Tbl_EntrySetValue(entry, 1, 1); |
---|
| 791 | Tbl_TableSetEntry(binTable, entry, row++, rootCol+j, output); |
---|
| 792 | } |
---|
| 793 | value -= (int)pow((double)2,(double)j); |
---|
| 794 | } |
---|
| 795 | else{ |
---|
| 796 | for(i = 0; i < entryRepetitionCount; i++){ |
---|
| 797 | entry = Tbl_EntryAlloc(Tbl_EntryNormal_c); |
---|
| 798 | Tbl_EntrySetValue(entry, 0, 0); |
---|
| 799 | Tbl_TableSetEntry(binTable, entry, row++, rootCol+j, output); |
---|
| 800 | } |
---|
| 801 | } |
---|
| 802 | } |
---|
| 803 | else{ |
---|
| 804 | for(i = 0; i < entryRepetitionCount; i++){ |
---|
| 805 | entry = Tbl_EntryAlloc(Tbl_EntryNormal_c); |
---|
| 806 | Tbl_EntrySetValue(entry, 0, 1); |
---|
| 807 | Tbl_TableSetEntry(binTable, entry, row++, rootCol+j, output); |
---|
| 808 | } |
---|
| 809 | } |
---|
| 810 | } |
---|
| 811 | return 0; |
---|
| 812 | } |
---|
| 813 | |
---|
| 814 | |
---|
| 815 | /**Function******************************************************************** |
---|
| 816 | |
---|
| 817 | Synopsis [Writes out tables in binTblArray to a named blif file] |
---|
| 818 | |
---|
| 819 | Description [Writes out binary tables in the binTblArray to |
---|
| 820 | blif file pointed to by fp] |
---|
| 821 | |
---|
| 822 | SideEffects [] |
---|
| 823 | |
---|
| 824 | SeeAlso [] |
---|
| 825 | |
---|
| 826 | ******************************************************************************/ |
---|
| 827 | void |
---|
| 828 | IoWriteBinTablesToFile( |
---|
| 829 | IoBlifInfo_t *blifInfo |
---|
| 830 | ) |
---|
| 831 | { |
---|
| 832 | int i, colnum, rownum, value, hasZeroRows; |
---|
| 833 | Tbl_Table_t *table; |
---|
| 834 | Var_Variable_t *outputVar, *dupOutputVar; |
---|
| 835 | char *outputVarName; |
---|
| 836 | Tbl_Entry_t *entry; |
---|
| 837 | Tbl_Range_t *range; |
---|
| 838 | lsGen gen; |
---|
| 839 | |
---|
| 840 | for(i = 0; i < array_n(blifInfo->binTblArray); i++){ |
---|
| 841 | table = array_fetch(Tbl_Table_t *, blifInfo->binTblArray, i); |
---|
| 842 | /* if table has zero rows, print it as ".names <var>" */ |
---|
| 843 | hasZeroRows = 1; |
---|
| 844 | Tbl_TableForEachOutputEntry(table, colnum, rownum, entry){ |
---|
| 845 | Tbl_EntryForEachValue(entry, value, gen, range){ |
---|
| 846 | if(value == 1){ |
---|
| 847 | hasZeroRows = 0; |
---|
| 848 | } |
---|
| 849 | } |
---|
| 850 | } |
---|
| 851 | if(hasZeroRows){ |
---|
| 852 | outputVar = Tbl_TableReadIndexVar(table, 0, 1); |
---|
| 853 | table = Tbl_TableAlloc(); |
---|
| 854 | outputVarName = Var_VariableReadName(outputVar); |
---|
| 855 | dupOutputVar = Var_VariableAlloc(NIL(Hrc_Node_t), outputVarName); |
---|
| 856 | (void)Tbl_TableAddColumn(table, dupOutputVar, 1); |
---|
| 857 | Tbl_TableWriteBlifToFile(table, blifInfo->BlifFp); |
---|
| 858 | Tbl_TableFree(table); |
---|
| 859 | Var_VariableFree(dupOutputVar); |
---|
| 860 | } |
---|
| 861 | else{ |
---|
| 862 | Tbl_TableWriteBlifToFile(table, blifInfo->BlifFp); |
---|
| 863 | } |
---|
| 864 | } |
---|
| 865 | } |
---|
| 866 | |
---|
| 867 | |
---|
| 868 | /*---------------------------------------------------------------------------*/ |
---|
| 869 | /* Definition of static functions */ |
---|
| 870 | /*---------------------------------------------------------------------------*/ |
---|
| 871 | |
---|
| 872 | |
---|
| 873 | /**Function******************************************************************** |
---|
| 874 | |
---|
| 875 | Synopsis [Encodes individual variable based on its ranges, and writes to the file called |
---|
| 876 | "encoding"] |
---|
| 877 | |
---|
| 878 | Description [] |
---|
| 879 | |
---|
| 880 | SideEffects [Program state is not changed] |
---|
| 881 | |
---|
| 882 | SeeAlso [] |
---|
| 883 | |
---|
| 884 | ******************************************************************************/ |
---|
| 885 | static void |
---|
| 886 | _IoEncodeWriteVariable( |
---|
| 887 | Var_Variable_t *var, |
---|
| 888 | FILE *encFp, |
---|
| 889 | int varIsOutput, |
---|
| 890 | st_table *encOutputsStTable, |
---|
| 891 | st_table *encInputsStTable |
---|
| 892 | ) |
---|
| 893 | { |
---|
| 894 | int j, i, tempI, range, numEncBits, rownum, varIsInput; |
---|
| 895 | Tbl_Table_t *encTable; |
---|
| 896 | char *varname, *dupName; |
---|
| 897 | Var_Variable_t *encVar; |
---|
| 898 | Tbl_Entry_t *entry; |
---|
| 899 | array_t *varArray; |
---|
| 900 | |
---|
| 901 | if(varIsOutput == 1){ |
---|
| 902 | varIsInput = 0; |
---|
| 903 | } |
---|
| 904 | else{ |
---|
| 905 | varIsInput = 1; |
---|
| 906 | } |
---|
| 907 | |
---|
| 908 | if(varIsOutput){ |
---|
| 909 | if(st_is_member(encOutputsStTable, (char *)var)){ |
---|
| 910 | return; |
---|
| 911 | } |
---|
| 912 | else{ |
---|
| 913 | st_insert(encOutputsStTable, (char *) var, (char *) 1); |
---|
| 914 | } |
---|
| 915 | } |
---|
| 916 | else{ |
---|
| 917 | if(st_is_member(encInputsStTable, (char *)var)){ |
---|
| 918 | return; |
---|
| 919 | } |
---|
| 920 | else{ |
---|
| 921 | st_insert(encInputsStTable, (char *) var, (char *) 1); |
---|
| 922 | } |
---|
| 923 | } |
---|
| 924 | |
---|
| 925 | |
---|
| 926 | /* declare encoding input vars based on range. These are associated |
---|
| 927 | with their encoding table. These have names <var>0, <var>1, ... */ |
---|
| 928 | |
---|
| 929 | varArray = array_alloc(Var_Variable_t *, 0); |
---|
| 930 | range = Var_VariableReadNumValues(var); |
---|
| 931 | numEncBits = IoNumEncBits(range); |
---|
| 932 | /* create encoding table */ |
---|
| 933 | encTable = Tbl_TableAlloc(); |
---|
| 934 | varname = Var_VariableReadName(var); |
---|
| 935 | for(i=0; i<numEncBits; i++){ |
---|
| 936 | dupName = ALLOC(char, strlen(varname) + IoNumDigits(numEncBits) + 2); |
---|
| 937 | sprintf(dupName, "%s%d", varname, i); |
---|
| 938 | encVar = Var_VariableAlloc(NIL(Hrc_Node_t), dupName); |
---|
| 939 | FREE(dupName); |
---|
| 940 | array_insert_last(Var_Variable_t *, varArray, encVar); |
---|
| 941 | (void) Tbl_TableAddColumn(encTable, encVar, varIsInput); |
---|
| 942 | } |
---|
| 943 | |
---|
| 944 | /* declare output var for the encoding table. It is called <var> */ |
---|
| 945 | |
---|
| 946 | (void) Tbl_TableAddColumn(encTable, var, varIsOutput); |
---|
| 947 | |
---|
| 948 | /* fill in entries of the variable encoding table. Assign codes based on |
---|
| 949 | the variable's index. Nothing fancy here... */ |
---|
| 950 | |
---|
| 951 | for(i=0; i<range; i++){ |
---|
| 952 | tempI = i; |
---|
| 953 | rownum = Tbl_TableAddRow(encTable); |
---|
| 954 | for(j = numEncBits - 1; j >= 0; j--){ |
---|
| 955 | if(((int)(tempI / pow((double) 2, (double) j))) == 1){ |
---|
| 956 | entry = Tbl_EntryAlloc(Tbl_EntryNormal_c); |
---|
| 957 | Tbl_EntrySetValue(entry, 1, 1); |
---|
| 958 | Tbl_TableSetEntry(encTable, entry, rownum, j, varIsInput); |
---|
| 959 | tempI = tempI - (int)pow((double)2,(double)j); |
---|
| 960 | } |
---|
| 961 | else{ |
---|
| 962 | entry = Tbl_EntryAlloc(Tbl_EntryNormal_c); |
---|
| 963 | Tbl_EntrySetValue(entry, 0, 0); |
---|
| 964 | Tbl_TableSetEntry(encTable, entry, rownum, j, varIsInput); |
---|
| 965 | } |
---|
| 966 | } |
---|
| 967 | entry = Tbl_EntryAlloc(Tbl_EntryNormal_c); |
---|
| 968 | Tbl_EntrySetValue(entry, i, i); |
---|
| 969 | Tbl_TableSetEntry(encTable, entry, rownum, 0, varIsOutput); |
---|
| 970 | } |
---|
| 971 | /* make sure not inc specced if var is output */ |
---|
| 972 | if(varIsOutput){ |
---|
| 973 | for(i = range; i < ((int) pow((double)2, (double)numEncBits)); i++){ |
---|
| 974 | tempI = i; |
---|
| 975 | rownum = Tbl_TableAddRow(encTable); |
---|
| 976 | for(j = numEncBits - 1; j >= 0; j--){ |
---|
| 977 | if(((int)(tempI / pow((double) 2, (double) j))) == 1){ |
---|
| 978 | entry = Tbl_EntryAlloc(Tbl_EntryNormal_c); |
---|
| 979 | Tbl_EntrySetValue(entry, 1, 1); |
---|
| 980 | Tbl_TableSetEntry(encTable, entry, rownum, j, varIsInput); |
---|
| 981 | tempI = tempI - (int)pow((double)2,(double)j); |
---|
| 982 | } |
---|
| 983 | else{ |
---|
| 984 | entry = Tbl_EntryAlloc(Tbl_EntryNormal_c); |
---|
| 985 | Tbl_EntrySetValue(entry, 0, 0); |
---|
| 986 | Tbl_TableSetEntry(encTable, entry, rownum, j, varIsInput); |
---|
| 987 | } |
---|
| 988 | } |
---|
| 989 | entry = Tbl_EntryAlloc(Tbl_EntryNormal_c); |
---|
| 990 | Tbl_EntrySetValue(entry, 0, 0); |
---|
| 991 | Tbl_TableSetEntry(encTable, entry, rownum, 0, varIsOutput); |
---|
| 992 | } |
---|
| 993 | } |
---|
| 994 | |
---|
| 995 | |
---|
| 996 | /* store the var, var number, and its table in the encTblArray. */ |
---|
| 997 | |
---|
| 998 | Tbl_TableWriteBlifMvToFile(encTable, 0, encFp); |
---|
| 999 | Tbl_TableFree(encTable); |
---|
| 1000 | |
---|
| 1001 | for(i=0; i < array_n(varArray); i++){ |
---|
| 1002 | Var_VariableFree(array_fetch(Var_Variable_t *, varArray, i)); |
---|
| 1003 | } |
---|
| 1004 | array_free(varArray); |
---|
| 1005 | |
---|
| 1006 | } |
---|
| 1007 | |
---|
| 1008 | |
---|
| 1009 | |
---|
| 1010 | /**Function******************************************************************** |
---|
| 1011 | |
---|
| 1012 | Synopsis [Encodes individual variable based on its ranges. Variable name has |
---|
| 1013 | the string "_bufin" appended to it.] |
---|
| 1014 | |
---|
| 1015 | Description [] |
---|
| 1016 | |
---|
| 1017 | SideEffects [Program state is not changed] |
---|
| 1018 | |
---|
| 1019 | SeeAlso [] |
---|
| 1020 | |
---|
| 1021 | ******************************************************************************/ |
---|
| 1022 | static void |
---|
| 1023 | _IoEncodeWriteVariableSpecial( |
---|
| 1024 | Var_Variable_t *var, |
---|
| 1025 | FILE *encFp, |
---|
| 1026 | int varIsOutput, |
---|
| 1027 | st_table *encOutputsStTable, |
---|
| 1028 | st_table *encInputsStTable |
---|
| 1029 | ) |
---|
| 1030 | { |
---|
| 1031 | int j, i, tempI, range, numEncBits, rownum, varIsInput; |
---|
| 1032 | Tbl_Table_t *encTable; |
---|
| 1033 | char *varname, *dupName; |
---|
| 1034 | Var_Variable_t *encVar, *outVar; |
---|
| 1035 | Tbl_Entry_t *entry; |
---|
| 1036 | array_t *varArray, *symValArray; |
---|
| 1037 | |
---|
| 1038 | if(varIsOutput == 1){ |
---|
| 1039 | varIsInput = 0; |
---|
| 1040 | } |
---|
| 1041 | else{ |
---|
| 1042 | varIsInput = 1; |
---|
| 1043 | } |
---|
| 1044 | |
---|
| 1045 | if(varIsOutput){ |
---|
| 1046 | if(st_is_member(encOutputsStTable, (char *)var)){ |
---|
| 1047 | return; |
---|
| 1048 | } |
---|
| 1049 | else{ |
---|
| 1050 | st_insert(encOutputsStTable, (char *) var, (char *) 1); |
---|
| 1051 | } |
---|
| 1052 | } |
---|
| 1053 | else{ |
---|
| 1054 | if(st_is_member(encInputsStTable, (char *)var)){ |
---|
| 1055 | return; |
---|
| 1056 | } |
---|
| 1057 | else{ |
---|
| 1058 | st_insert(encInputsStTable, (char *) var, (char *) 1); |
---|
| 1059 | } |
---|
| 1060 | } |
---|
| 1061 | |
---|
| 1062 | |
---|
| 1063 | /* declare encoding input vars based on range. These are associated |
---|
| 1064 | with their encoding table. These have names <var>0, <var>1, ... */ |
---|
| 1065 | |
---|
| 1066 | varArray = array_alloc(Var_Variable_t *, 0); |
---|
| 1067 | range = Var_VariableReadNumValues(var); |
---|
| 1068 | numEncBits = IoNumEncBits(range); |
---|
| 1069 | /* create encoding table */ |
---|
| 1070 | encTable = Tbl_TableAlloc(); |
---|
| 1071 | varname = Var_VariableReadName(var); |
---|
| 1072 | for(i=0; i<numEncBits; i++){ |
---|
| 1073 | dupName = ALLOC(char, strlen(varname) + IoNumDigits(numEncBits) + 10); |
---|
| 1074 | sprintf(dupName, "%s_bufin%d", varname, i); |
---|
| 1075 | encVar = Var_VariableAlloc(NIL(Hrc_Node_t), dupName); |
---|
| 1076 | FREE(dupName); |
---|
| 1077 | array_insert_last(Var_Variable_t *, varArray, encVar); |
---|
| 1078 | (void) Tbl_TableAddColumn(encTable, encVar, varIsInput); |
---|
| 1079 | } |
---|
| 1080 | |
---|
| 1081 | /* declare output var for the encoding table. It is called <var>_bufin */ |
---|
| 1082 | |
---|
| 1083 | varname = Var_VariableReadName(var); |
---|
| 1084 | dupName = ALLOC(char, strlen(varname) + 10); |
---|
| 1085 | sprintf(dupName, "%s_bufin", varname); |
---|
| 1086 | outVar = Var_VariableAlloc(NIL(Hrc_Node_t), dupName); |
---|
| 1087 | array_insert_last(Var_Variable_t *, varArray, outVar); |
---|
| 1088 | FREE(dupName); |
---|
| 1089 | if(Var_VariableTestIsSymbolic(var)){ |
---|
| 1090 | symValArray = array_alloc(char *, 0); |
---|
| 1091 | for(i = 0; i < range; i++){ |
---|
| 1092 | array_insert_last(char *, symValArray, Var_VariableReadSymbolicValueFromIndex(var, i)); |
---|
| 1093 | } |
---|
| 1094 | Var_VariableAddRangeInfo(outVar, range, symValArray); |
---|
| 1095 | array_free(symValArray); |
---|
| 1096 | } |
---|
| 1097 | else{ |
---|
| 1098 | if(range > 2){ |
---|
| 1099 | Var_VariableExpandRange(outVar, range); |
---|
| 1100 | } |
---|
| 1101 | } |
---|
| 1102 | (void) Tbl_TableAddColumn(encTable, outVar, varIsOutput); |
---|
| 1103 | |
---|
| 1104 | |
---|
| 1105 | /* fill in entries of the variable encoding table. Assign codes based on |
---|
| 1106 | the variable's index. Nothing fancy here... */ |
---|
| 1107 | |
---|
| 1108 | for(i=0; i<range; i++){ |
---|
| 1109 | tempI = i; |
---|
| 1110 | rownum = Tbl_TableAddRow(encTable); |
---|
| 1111 | for(j = numEncBits - 1; j >= 0; j--){ |
---|
| 1112 | if(((int)(tempI / pow((double) 2, (double) j))) == 1){ |
---|
| 1113 | entry = Tbl_EntryAlloc(Tbl_EntryNormal_c); |
---|
| 1114 | Tbl_EntrySetValue(entry, 1, 1); |
---|
| 1115 | Tbl_TableSetEntry(encTable, entry, rownum, j, varIsInput); |
---|
| 1116 | tempI = tempI - (int)pow((double)2,(double)j); |
---|
| 1117 | } |
---|
| 1118 | else{ |
---|
| 1119 | entry = Tbl_EntryAlloc(Tbl_EntryNormal_c); |
---|
| 1120 | Tbl_EntrySetValue(entry, 0, 0); |
---|
| 1121 | Tbl_TableSetEntry(encTable, entry, rownum, j, varIsInput); |
---|
| 1122 | } |
---|
| 1123 | } |
---|
| 1124 | entry = Tbl_EntryAlloc(Tbl_EntryNormal_c); |
---|
| 1125 | Tbl_EntrySetValue(entry, i, i); |
---|
| 1126 | Tbl_TableSetEntry(encTable, entry, rownum, 0, varIsOutput); |
---|
| 1127 | } |
---|
| 1128 | /* make sure not inc specced if var is output */ |
---|
| 1129 | if(varIsOutput){ |
---|
| 1130 | for(i = range; i < ((int) pow((double)2, (double)numEncBits)); i++){ |
---|
| 1131 | tempI = i; |
---|
| 1132 | rownum = Tbl_TableAddRow(encTable); |
---|
| 1133 | for(j = numEncBits - 1; j >= 0; j--){ |
---|
| 1134 | if(((int)(tempI / pow((double) 2, (double) j))) == 1){ |
---|
| 1135 | entry = Tbl_EntryAlloc(Tbl_EntryNormal_c); |
---|
| 1136 | Tbl_EntrySetValue(entry, 1, 1); |
---|
| 1137 | Tbl_TableSetEntry(encTable, entry, rownum, j, varIsInput); |
---|
| 1138 | tempI = tempI - (int)pow((double)2,(double)j); |
---|
| 1139 | } |
---|
| 1140 | else{ |
---|
| 1141 | entry = Tbl_EntryAlloc(Tbl_EntryNormal_c); |
---|
| 1142 | Tbl_EntrySetValue(entry, 0, 0); |
---|
| 1143 | Tbl_TableSetEntry(encTable, entry, rownum, j, varIsInput); |
---|
| 1144 | } |
---|
| 1145 | } |
---|
| 1146 | entry = Tbl_EntryAlloc(Tbl_EntryNormal_c); |
---|
| 1147 | Tbl_EntrySetValue(entry, 0, 0); |
---|
| 1148 | Tbl_TableSetEntry(encTable, entry, rownum, 0, varIsOutput); |
---|
| 1149 | } |
---|
| 1150 | } |
---|
| 1151 | |
---|
| 1152 | |
---|
| 1153 | /* store the var, var number, and its table in the encTblArray. */ |
---|
| 1154 | |
---|
| 1155 | Tbl_TableWriteBlifMvToFile(encTable, 0, encFp); |
---|
| 1156 | Tbl_TableFree(encTable); |
---|
| 1157 | |
---|
| 1158 | for(i=0; i < array_n(varArray); i++){ |
---|
| 1159 | Var_VariableFree(array_fetch(Var_Variable_t *, varArray, i)); |
---|
| 1160 | } |
---|
| 1161 | array_free(varArray); |
---|
| 1162 | |
---|
| 1163 | } |
---|