1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
|
/**CFile****************************************************************
FileName [ioWriteBlif.c]
SystemName [ABC: Logic synthesis and verification system.]
PackageName [Command processing package.]
Synopsis [Procedures to write BLIF files.]
Author [Alan Mishchenko]
Affiliation [UC Berkeley]
Date [Ver. 1.0. Started - June 20, 2005.]
Revision [$Id: ioWriteBlif.c,v 1.00 2005/06/20 00:00:00 alanmi Exp $]
***********************************************************************/
#include "io.h"
////////////////////////////////////////////////////////////////////////
/// DECLARATIONS ///
////////////////////////////////////////////////////////////////////////
static void Io_NtkWriteOne( FILE * pFile, Abc_Ntk_t * pNtk );
static void Io_NtkWritePis( FILE * pFile, Abc_Ntk_t * pNtk );
static void Io_NtkWritePos( FILE * pFile, Abc_Ntk_t * pNtk );
static void Io_NtkWriteNodeFanins( FILE * pFile, Abc_Obj_t * pNode );
static void Io_NtkWriteNode( FILE * pFile, Abc_Obj_t * pNode );
static void Io_NtkWriteLatch( FILE * pFile, Abc_Obj_t * pLatch );
////////////////////////////////////////////////////////////////////////
/// FUNCTION DEFITIONS ///
////////////////////////////////////////////////////////////////////////
/**Function*************************************************************
Synopsis [Write the network into a BLIF file with the given name.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Io_WriteBlif( Abc_Ntk_t * pNtk, char * FileName )
{
Abc_Ntk_t * pExdc;
FILE * pFile;
assert( Abc_NtkIsNetlist(pNtk) );
pFile = fopen( FileName, "w" );
if ( pFile == NULL )
{
fprintf( stdout, "Io_WriteBlif(): Cannot open the output file.\n" );
return;
}
// write the model name
fprintf( pFile, ".model %s\n", Abc_NtkName(pNtk) );
// write the network
Io_NtkWriteOne( pFile, pNtk );
// write EXDC network if it exists
pExdc = Abc_NtkExdc( pNtk );
if ( pExdc )
{
fprintf( pFile, "\n" );
fprintf( pFile, ".exdc\n" );
Io_NtkWriteOne( pFile, pExdc );
}
// finalize the file
fprintf( pFile, ".end\n" );
fclose( pFile );
}
/**Function*************************************************************
Synopsis [Write one network.]
Description [Writes a network composed of PIs, POs, internal nodes,
and latches. The following rules are used to print the names of
internal nodes:
]
SideEffects []
SeeAlso []
***********************************************************************/
void Io_NtkWriteOne( FILE * pFile, Abc_Ntk_t * pNtk )
{
ProgressBar * pProgress;
Abc_Obj_t * pNode, * pLatch;
int i;
// write the PIs
fprintf( pFile, ".inputs" );
Io_NtkWritePis( pFile, pNtk );
fprintf( pFile, "\n" );
// write the POs
fprintf( pFile, ".outputs" );
Io_NtkWritePos( pFile, pNtk );
fprintf( pFile, "\n" );
// write the timing info
Io_WriteTimingInfo( pFile, pNtk );
// write the latches
if ( !Abc_NtkIsComb(pNtk) )
{
fprintf( pFile, "\n" );
Abc_NtkForEachLatch( pNtk, pLatch, i )
Io_NtkWriteLatch( pFile, pLatch );
fprintf( pFile, "\n" );
}
// write each internal node
pProgress = Extra_ProgressBarStart( stdout, Abc_NtkNodeNum(pNtk) );
Abc_NtkForEachNode( pNtk, pNode, i )
{
Extra_ProgressBarUpdate( pProgress, i, NULL );
Io_NtkWriteNode( pFile, pNode );
}
Extra_ProgressBarStop( pProgress );
}
/**Function*************************************************************
Synopsis [Writes the primary input list.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Io_NtkWritePis( FILE * pFile, Abc_Ntk_t * pNtk )
{
Abc_Obj_t * pNet;
int LineLength;
int AddedLength;
int NameCounter;
int i;
LineLength = 7;
NameCounter = 0;
Abc_NtkForEachPi( pNtk, pNet, i )
{
// get the line length after this name is written
AddedLength = strlen(Abc_ObjName(pNet)) + 1;
if ( NameCounter && LineLength + AddedLength + 3 > IO_WRITE_LINE_LENGTH )
{ // write the line extender
fprintf( pFile, " \\\n" );
// reset the line length
LineLength = 0;
NameCounter = 0;
}
fprintf( pFile, " %s", Abc_ObjName(pNet) );
LineLength += AddedLength;
NameCounter++;
}
}
/**Function*************************************************************
Synopsis [Writes the primary input list.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Io_NtkWritePos( FILE * pFile, Abc_Ntk_t * pNtk )
{
Abc_Obj_t * pNet;
int LineLength;
int AddedLength;
int NameCounter;
int i;
LineLength = 8;
NameCounter = 0;
Abc_NtkForEachPo( pNtk, pNet, i )
{
// get the line length after this name is written
AddedLength = strlen(Abc_ObjName(pNet)) + 1;
if ( NameCounter && LineLength + AddedLength + 3 > IO_WRITE_LINE_LENGTH )
{ // write the line extender
fprintf( pFile, " \\\n" );
// reset the line length
LineLength = 0;
NameCounter = 0;
}
fprintf( pFile, " %s", Abc_ObjName(pNet) );
LineLength += AddedLength;
NameCounter++;
}
}
/**Function*************************************************************
Synopsis [Write the latch into a file.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Io_NtkWriteLatch( FILE * pFile, Abc_Obj_t * pLatch )
{
Abc_Obj_t * pNetLi, * pNetLo;
int Reset;
pNetLi = Abc_ObjFanin0( pLatch );
pNetLo = Abc_ObjFanout0( pLatch );
Reset = (int)Abc_ObjData( pLatch );
// write the latch line
fprintf( pFile, ".latch" );
fprintf( pFile, " %10s", Abc_ObjName(pNetLi) );
fprintf( pFile, " %10s", Abc_ObjName(pNetLo) );
fprintf( pFile, " %d\n", Reset );
}
/**Function*************************************************************
Synopsis [Write the node into a file.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Io_NtkWriteNode( FILE * pFile, Abc_Obj_t * pNode )
{
// write the .names line
fprintf( pFile, ".names" );
Io_NtkWriteNodeFanins( pFile, pNode );
fprintf( pFile, "\n" );
// write the cubes
fprintf( pFile, "%s", Abc_ObjData(pNode) );
}
/**Function*************************************************************
Synopsis [Writes the primary input list.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Io_NtkWriteNodeFanins( FILE * pFile, Abc_Obj_t * pNode )
{
Abc_Obj_t * pNet;
int LineLength;
int AddedLength;
int NameCounter;
char * pName;
int i;
LineLength = 6;
NameCounter = 0;
Abc_ObjForEachFanin( pNode, pNet, i )
{
// get the fanin name
pName = Abc_ObjName(pNet);
// get the line length after the fanin name is written
AddedLength = strlen(pName) + 1;
if ( NameCounter && LineLength + AddedLength + 3 > IO_WRITE_LINE_LENGTH )
{ // write the line extender
fprintf( pFile, " \\\n" );
// reset the line length
LineLength = 0;
NameCounter = 0;
}
fprintf( pFile, " %s", pName );
LineLength += AddedLength;
NameCounter++;
}
// get the output name
pName = Abc_ObjName(Abc_ObjFanout0(pNode));
// get the line length after the output name is written
AddedLength = strlen(pName) + 1;
if ( NameCounter && LineLength + AddedLength > 75 )
{ // write the line extender
fprintf( pFile, " \\\n" );
// reset the line length
LineLength = 0;
NameCounter = 0;
}
fprintf( pFile, " %s", pName );
}
/**Function*************************************************************
Synopsis [Writes the timing info.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Io_WriteTimingInfo( FILE * pFile, Abc_Ntk_t * pNtk )
{
Abc_Obj_t * pNode;
Abc_Time_t * pTime, * pTimeDef;
int i;
if ( pNtk->pManTime == NULL )
return;
pTimeDef = Abc_NtkReadDefaultArrival( pNtk );
fprintf( pFile, ".default_input_arrival %g %g\n", pTimeDef->Rise, pTimeDef->Fall );
Abc_NtkForEachPi( pNtk, pNode, i )
{
pTime = Abc_NodeReadArrival(pNode);
if ( pTime->Rise == pTimeDef->Rise && pTime->Fall == pTimeDef->Fall )
continue;
fprintf( pFile, ".input_arrival %s %g %g\n", Abc_NtkNamePi(pNtk,i), pTime->Rise, pTime->Fall );
}
}
////////////////////////////////////////////////////////////////////////
/// END OF FILE ///
////////////////////////////////////////////////////////////////////////
|
