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
|
/**CFile****************************************************************
FileName [ntl.h]
SystemName [ABC: Logic synthesis and verification system.]
PackageName [Netlist representation.]
Synopsis [External declarations.]
Author [Alan Mishchenko]
Affiliation [UC Berkeley]
Date [Ver. 1.0. Started - June 20, 2005.]
Revision [$Id: .h,v 1.00 2005/06/20 00:00:00 alanmi Exp $]
***********************************************************************/
#ifndef __NTL_H__
#define __NTL_H__
#ifdef __cplusplus
extern "C" {
#endif
////////////////////////////////////////////////////////////////////////
/// INCLUDES ///
////////////////////////////////////////////////////////////////////////
#include "aig.h"
#include "tim.h"
////////////////////////////////////////////////////////////////////////
/// PARAMETERS ///
////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////
/// BASIC TYPES ///
////////////////////////////////////////////////////////////////////////
typedef struct Ntl_Man_t_ Ntl_Man_t;
typedef struct Ntl_Mod_t_ Ntl_Mod_t;
typedef struct Ntl_Obj_t_ Ntl_Obj_t;
typedef struct Ntl_Net_t_ Ntl_Net_t;
typedef struct Ntl_Lut_t_ Ntl_Lut_t;
// object types
typedef enum {
NTL_OBJ_NONE, // 0: non-existent object
NTL_OBJ_PI, // 1: primary input
NTL_OBJ_PO, // 2: primary output
NTL_OBJ_LATCH, // 3: latch node
NTL_OBJ_NODE, // 4: logic node
NTL_OBJ_BOX, // 5: white box or black box
NTL_OBJ_VOID // 6: unused object
} Ntl_Type_t;
struct Ntl_Man_t_
{
// models of this design
char * pName; // the name of this design
char * pSpec; // the name of input file
Vec_Ptr_t * vModels; // the array of all models used to represent boxes
// memory managers
Aig_MmFlex_t * pMemObjs; // memory for objects
Aig_MmFlex_t * pMemSops; // memory for SOPs
// extracted representation
Vec_Ptr_t * vCis; // the primary inputs of the extracted part
Vec_Ptr_t * vCos; // the primary outputs of the extracted part
Vec_Ptr_t * vNodes; // the nodes of the abstracted part
Vec_Int_t * vBox1Cos; // the first COs of the boxes
Aig_Man_t * pAig; // the extracted AIG
Tim_Man_t * pManTime; // the timing manager
};
struct Ntl_Mod_t_
{
// model description
Ntl_Man_t * pMan; // the model manager
char * pName; // the model name
Vec_Ptr_t * vObjs; // the array of all objects
Vec_Ptr_t * vPis; // the array of PI objects
Vec_Ptr_t * vPos; // the array of PO objects
int nObjs[NTL_OBJ_VOID]; // counter of objects of each type
// hashing names into nets
Ntl_Net_t ** pTable; // the hash table of names into nets
int nTableSize; // the allocated table size
int nEntries; // the number of entries in the hash table
// delay information
Vec_Int_t * vDelays;
Vec_Int_t * vArrivals;
Vec_Int_t * vRequireds;
float * pDelayTable;
};
struct Ntl_Obj_t_
{
Ntl_Mod_t * pModel; // the model
unsigned Type : 3; // object type
unsigned Id : 27; // object ID
unsigned MarkA : 1; // temporary mark
unsigned MarkB : 1; // temporary mark
short nFanins; // the number of fanins
short nFanouts; // the number of fanouts
union { // functionality
Ntl_Mod_t * pImplem; // model (for boxes)
char * pSop; // SOP (for logic nodes)
unsigned LatchId; // init state + register class (for latches)
};
Ntl_Net_t * pFanio[0]; // fanins/fanouts
};
struct Ntl_Net_t_
{
Ntl_Obj_t * pDriver; // driver of the net
Ntl_Net_t * pNext; // next net in the hash table
Aig_Obj_t * pFunc; // the AIG representation
char nVisits; // the number of times the net is visited
char fMark; // temporary mark
char pName[0]; // the name of this net
};
struct Ntl_Lut_t_
{
int Id; // the ID of the root AIG node
int nFanins; // the number of fanins
int * pFanins; // the array of fanins
unsigned * pTruth; // the truth table
};
////////////////////////////////////////////////////////////////////////
/// MACRO DEFINITIONS ///
////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////
/// INLINED FUNCTIONS ///
////////////////////////////////////////////////////////////////////////
static inline int Ntl_ModelPiNum( Ntl_Mod_t * p ) { return p->nObjs[NTL_OBJ_PI]; }
static inline int Ntl_ModelPoNum( Ntl_Mod_t * p ) { return p->nObjs[NTL_OBJ_PO]; }
static inline int Ntl_ModelNodeNum( Ntl_Mod_t * p ) { return p->nObjs[NTL_OBJ_NODE]; }
static inline int Ntl_ModelLatchNum( Ntl_Mod_t * p ) { return p->nObjs[NTL_OBJ_LATCH]; }
static inline int Ntl_ModelBoxNum( Ntl_Mod_t * p ) { return p->nObjs[NTL_OBJ_BOX]; }
static inline int Ntl_ModelCiNum( Ntl_Mod_t * p ) { return p->nObjs[NTL_OBJ_PI] + p->nObjs[NTL_OBJ_LATCH]; }
static inline int Ntl_ModelCoNum( Ntl_Mod_t * p ) { return p->nObjs[NTL_OBJ_PO] + p->nObjs[NTL_OBJ_LATCH]; }
static inline Ntl_Obj_t * Ntl_ModelPi( Ntl_Mod_t * p, int i ) { return Vec_PtrEntry(p->vPis, i); }
static inline Ntl_Obj_t * Ntl_ModelPo( Ntl_Mod_t * p, int i ) { return Vec_PtrEntry(p->vPos, i); }
static inline char * Ntl_ModelPiName( Ntl_Mod_t * p, int i ) { return Ntl_ModelPi(p, i)->pFanio[0]->pName; }
static inline char * Ntl_ModelPoName( Ntl_Mod_t * p, int i ) { return Ntl_ModelPo(p, i)->pFanio[0]->pName; }
static inline int Ntl_ModelIsBlackBox( Ntl_Mod_t * p ) { return Ntl_ModelPiNum(p) + Ntl_ModelPoNum(p) == Vec_PtrSize(p->vObjs); }
static inline int Ntl_ObjFaninNum( Ntl_Obj_t * p ) { return p->nFanins; }
static inline int Ntl_ObjFanoutNum( Ntl_Obj_t * p ) { return p->nFanouts; }
static inline int Ntl_ObjIsPi( Ntl_Obj_t * p ) { return p->Type == NTL_OBJ_PI; }
static inline int Ntl_ObjIsPo( Ntl_Obj_t * p ) { return p->Type == NTL_OBJ_PO; }
static inline int Ntl_ObjIsNode( Ntl_Obj_t * p ) { return p->Type == NTL_OBJ_NODE; }
static inline int Ntl_ObjIsLatch( Ntl_Obj_t * p ) { return p->Type == NTL_OBJ_LATCH; }
static inline int Ntl_ObjIsBox( Ntl_Obj_t * p ) { return p->Type == NTL_OBJ_BOX; }
static inline Ntl_Net_t * Ntl_ObjFanin0( Ntl_Obj_t * p ) { return p->pFanio[0]; }
static inline Ntl_Net_t * Ntl_ObjFanout0( Ntl_Obj_t * p ) { return p->pFanio[p->nFanins]; }
static inline Ntl_Net_t * Ntl_ObjFanin( Ntl_Obj_t * p, int i ) { return p->pFanio[i]; }
static inline Ntl_Net_t * Ntl_ObjFanout( Ntl_Obj_t * p, int i ) { return p->pFanio[p->nFanins+1]; }
static inline void Ntl_ObjSetFanin( Ntl_Obj_t * p, Ntl_Net_t * pNet, int i ) { p->pFanio[i] = pNet; }
static inline void Ntl_ObjSetFanout( Ntl_Obj_t * p, Ntl_Net_t * pNet, int i ) { p->pFanio[p->nFanins+i] = pNet; pNet->pDriver = p; }
////////////////////////////////////////////////////////////////////////
/// ITERATORS ///
////////////////////////////////////////////////////////////////////////
#define Ntl_ManForEachModel( p, pNtl, i ) \
Vec_PtrForEachEntry( p->vModels, pNtl, i )
#define Ntl_ManForEachCiNet( p, pNtl, i ) \
Vec_PtrForEachEntry( p->vCis, pNtl, i )
#define Ntl_ManForEachCoNet( p, pNtl, i ) \
Vec_PtrForEachEntry( p->vCos, pNtl, i )
#define Ntl_ManForEachNode( p, pObj, i ) \
for ( i = 0; (i < Vec_PtrSize(p->vNodes)) && (((pObj) = Vec_PtrEntry(p->vNodes, i)), 1); i++ ) \
if ( !Ntl_ObjIsNode(pObj) ) {} else
#define Ntl_ManForEachBox( p, pObj, i ) \
for ( i = 0; (i < Vec_PtrSize(p->vNodes)) && (((pObj) = Vec_PtrEntry(p->vNodes, i)), 1); i++ ) \
if ( !Ntl_ObjIsBox(pObj) ) {} else
#define Ntl_ModelForEachPi( pNtl, pObj, i ) \
Vec_PtrForEachEntry( pNtl->vPis, pObj, i )
#define Ntl_ModelForEachPo( pNtl, pObj, i ) \
Vec_PtrForEachEntry( pNtl->vPos, pObj, i )
#define Ntl_ModelForEachObj( pNtl, pObj, i ) \
for ( i = 0; (i < Vec_PtrSize(pNtl->vObjs)) && (((pObj) = Vec_PtrEntry(pNtl->vObjs, i)), 1); i++ ) \
if ( pObj == NULL ) {} else
#define Ntl_ModelForEachLatch( pNtl, pObj, i ) \
for ( i = 0; (i < Vec_PtrSize(pNtl->vObjs)) && (((pObj) = Vec_PtrEntry(pNtl->vObjs, i)), 1); i++ ) \
if ( !Ntl_ObjIsLatch(pObj) ) {} else
#define Ntl_ModelForEachNode( pNtl, pObj, i ) \
for ( i = 0; (i < Vec_PtrSize(pNtl->vObjs)) && (((pObj) = Vec_PtrEntry(pNtl->vObjs, i)), 1); i++ ) \
if ( !Ntl_ObjIsNode(pObj) ) {} else
#define Ntl_ModelForEachBox( pNtl, pObj, i ) \
for ( i = 0; (i < Vec_PtrSize(pNtl->vObjs)) && (((pObj) = Vec_PtrEntry(pNtl->vObjs, i)), 1); i++ ) \
if ( !Ntl_ObjIsBox(pObj) ) {} else
#define Ntl_ModelForEachNet( pNtl, pNet, i ) \
for ( i = 0; i < pNtl->nTableSize; i++ ) \
for ( pNet = pNtl->pTable[i]; pNet; pNet = pNet->pNext )
#define Ntl_ObjForEachFanin( pObj, pFanin, i ) \
for ( i = 0; (i < (pObj)->nFanins) && ((pFanin) = (pObj)->pFanio[i]); i++ )
#define Ntl_ObjForEachFanout( pObj, pFanout, i ) \
for ( i = 0; (i < (pObj)->nFanouts) && ((pFanout) = (pObj)->pFanio[(pObj)->nFanins+i]); i++ )
////////////////////////////////////////////////////////////////////////
/// FUNCTION DECLARATIONS ///
////////////////////////////////////////////////////////////////////////
/*=== ntlAig.c ==========================================================*/
extern Aig_Obj_t * Ntl_ManExtractAigNode( Ntl_Obj_t * pNode );
extern int Ntl_ManExtract( Ntl_Man_t * p );
extern int Ntl_ManInsert( Ntl_Man_t * p, Vec_Ptr_t * vMapping );
extern int Ntl_ManInsertTest( Ntl_Man_t * p );
extern int Ntl_ManInsertTestFpga( Ntl_Man_t * p );
extern int Ntl_ManInsertTestIf( Ntl_Man_t * p );
/*=== ntlCheck.c ==========================================================*/
extern int Ntl_ManCheck( Ntl_Man_t * pMan );
extern int Ntl_ModelCheck( Ntl_Mod_t * pModel );
extern void Ntl_ModelFixNonDrivenNets( Ntl_Mod_t * pModel );
/*=== ntlDfs.c ==========================================================*/
extern int Ntl_ManDfs( Ntl_Man_t * p );
/*=== ntlMan.c ============================================================*/
extern Ntl_Man_t * Ntl_ManAlloc( char * pFileName );
extern void Ntl_ManFree( Ntl_Man_t * p );
extern Ntl_Mod_t * Ntl_ManFindModel( Ntl_Man_t * p, char * pName );
extern void Ntl_ManPrintStats( Ntl_Man_t * p );
extern Ntl_Mod_t * Ntl_ModelAlloc( Ntl_Man_t * pMan, char * pName );
extern void Ntl_ModelFree( Ntl_Mod_t * p );
/*=== ntlMap.c ============================================================*/
extern Vec_Ptr_t * Ntl_MappingAlloc( int nLuts, int nVars );
extern Vec_Ptr_t * Ntl_MappingFromAig( Aig_Man_t * p );
extern Vec_Ptr_t * Ntl_MappingFpga( Aig_Man_t * p );
extern Vec_Ptr_t * Ntl_MappingIf( Ntl_Man_t * pMan, Aig_Man_t * p );
/*=== ntlObj.c ============================================================*/
extern Ntl_Obj_t * Ntl_ModelCreatePi( Ntl_Mod_t * pModel );
extern Ntl_Obj_t * Ntl_ModelCreatePo( Ntl_Mod_t * pModel, Ntl_Net_t * pNet );
extern Ntl_Obj_t * Ntl_ModelCreateLatch( Ntl_Mod_t * pModel );
extern Ntl_Obj_t * Ntl_ModelCreateNode( Ntl_Mod_t * pModel, int nFanins );
extern Ntl_Obj_t * Ntl_ModelCreateBox( Ntl_Mod_t * pModel, int nFanins, int nFanouts );
extern char * Ntl_ManStoreName( Ntl_Man_t * p, char * pName );
extern char * Ntl_ManStoreSop( Ntl_Man_t * p, char * pSop );
extern char * Ntl_ManStoreFileName( Ntl_Man_t * p, char * pFileName );
/*=== ntlTable.c ==========================================================*/
extern Ntl_Net_t * Ntl_ModelFindNet( Ntl_Mod_t * p, char * pName );
extern Ntl_Net_t * Ntl_ModelFindOrCreateNet( Ntl_Mod_t * p, char * pName );
extern int Ntl_ModelSetNetDriver( Ntl_Obj_t * pObj, Ntl_Net_t * pNet );
extern int Ntl_ModelFindPioNumber( Ntl_Mod_t * p, char * pName, int * pNumber );
/*=== ntlTime.c ==========================================================*/
extern Tim_Man_t * Ntl_ManCreateTiming( Ntl_Man_t * p );
/*=== ntlReadBlif.c ==========================================================*/
extern Ntl_Man_t * Ioa_ReadBlif( char * pFileName, int fCheck );
/*=== ntlWriteBlif.c ==========================================================*/
extern void Ioa_WriteBlif( Ntl_Man_t * p, char * pFileName );
#ifdef __cplusplus
}
#endif
#endif
////////////////////////////////////////////////////////////////////////
/// END OF FILE ///
////////////////////////////////////////////////////////////////////////
|
