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
|
/**CFile****************************************************************
FileName [ioUtil.c]
SystemName [ABC: Logic synthesis and verification system.]
PackageName [Command processing package.]
Synopsis [Procedures to write the network in BENCH format.]
Author [Alan Mishchenko]
Affiliation [UC Berkeley]
Date [Ver. 1.0. Started - June 20, 2005.]
Revision [$Id: ioUtil.c,v 1.00 2005/06/20 00:00:00 alanmi Exp $]
***********************************************************************/
#include "io.h"
////////////////////////////////////////////////////////////////////////
/// DECLARATIONS ///
////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////
/// FUNCTION DEFITIONS ///
////////////////////////////////////////////////////////////////////////
/**Function*************************************************************
Synopsis [Creates PI terminal and net.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Abc_Obj_t * Io_ReadCreatePi( Abc_Ntk_t * pNtk, char * pName )
{
Abc_Obj_t * pNet, * pTerm;
// get the PI net
pNet = Abc_NtkFindNet( pNtk, pName );
if ( pNet )
printf( "Warning: PI \"%s\" appears twice in the list.\n", pName );
pNet = Abc_NtkFindOrCreateNet( pNtk, pName );
// add the PI node
pTerm = Abc_NtkCreatePi( pNtk );
Abc_ObjAddFanin( pNet, pTerm );
return pTerm;
}
/**Function*************************************************************
Synopsis [Creates PO terminal and net.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Abc_Obj_t * Io_ReadCreatePo( Abc_Ntk_t * pNtk, char * pName )
{
Abc_Obj_t * pNet, * pTerm;
// get the PO net
pNet = Abc_NtkFindNet( pNtk, pName );
if ( pNet && Abc_ObjFaninNum(pNet) == 0 )
printf( "Warning: PO \"%s\" appears twice in the list.\n", pName );
pNet = Abc_NtkFindOrCreateNet( pNtk, pName );
// add the PO node
pTerm = Abc_NtkCreatePo( pNtk );
Abc_ObjAddFanin( pTerm, pNet );
return pTerm;
}
/**Function*************************************************************
Synopsis [Create a latch with the given input/output.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Abc_Obj_t * Io_ReadCreateLatch( Abc_Ntk_t * pNtk, char * pNetLI, char * pNetLO )
{
Abc_Obj_t * pLatch, * pNet;
// create a new latch and add it to the network
pLatch = Abc_NtkCreateLatch( pNtk );
// get the LI net
pNet = Abc_NtkFindOrCreateNet( pNtk, pNetLI );
Abc_ObjAddFanin( pLatch, pNet );
// get the LO net
pNet = Abc_NtkFindOrCreateNet( pNtk, pNetLO );
Abc_ObjAddFanin( pNet, pLatch );
return pLatch;
}
/**Function*************************************************************
Synopsis [Create node and the net driven by it.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Abc_Obj_t * Io_ReadCreateNode( Abc_Ntk_t * pNtk, char * pNameOut, char * pNamesIn[], int nInputs )
{
Abc_Obj_t * pNet, * pNode;
int i;
// create a new node
pNode = Abc_NtkCreateNode( pNtk );
// add the fanin nets
for ( i = 0; i < nInputs; i++ )
{
pNet = Abc_NtkFindOrCreateNet( pNtk, pNamesIn[i] );
Abc_ObjAddFanin( pNode, pNet );
}
// add the fanout net
pNet = Abc_NtkFindOrCreateNet( pNtk, pNameOut );
Abc_ObjAddFanin( pNet, pNode );
return pNode;
}
/**Function*************************************************************
Synopsis [Create a constant 0 node driving the net with this name.]
Description [Assumes that the net already exists.]
SideEffects []
SeeAlso []
***********************************************************************/
Abc_Obj_t * Io_ReadCreateConst( Abc_Ntk_t * pNtk, char * pName, bool fConst1 )
{
Abc_Obj_t * pNet, * pTerm;
pTerm = fConst1? Abc_NodeCreateConst1(pNtk) : Abc_NodeCreateConst0(pNtk);
pNet = Abc_NtkFindNet(pNtk, pName); assert( pNet );
Abc_ObjAddFanin( pNet, pTerm );
return pTerm;
}
/**Function*************************************************************
Synopsis [Create an inverter or buffer for the given net.]
Description [Assumes that the nets already exist.]
SideEffects []
SeeAlso []
***********************************************************************/
Abc_Obj_t * Io_ReadCreateInv( Abc_Ntk_t * pNtk, char * pNameIn, char * pNameOut )
{
Abc_Obj_t * pNet, * pNode;
pNet = Abc_NtkFindNet(pNtk, pNameIn); assert( pNet );
pNode = Abc_NodeCreateInv(pNtk, pNet);
pNet = Abc_NtkFindNet(pNtk, pNameOut); assert( pNet );
Abc_ObjAddFanin( pNet, pNode );
return pNode;
}
/**Function*************************************************************
Synopsis [Create an inverter or buffer for the given net.]
Description [Assumes that the nets already exist.]
SideEffects []
SeeAlso []
***********************************************************************/
Abc_Obj_t * Io_ReadCreateBuf( Abc_Ntk_t * pNtk, char * pNameIn, char * pNameOut )
{
Abc_Obj_t * pNet, * pNode;
pNet = Abc_NtkFindNet(pNtk, pNameIn); assert( pNet );
pNode = Abc_NodeCreateBuf(pNtk, pNet);
pNet = Abc_NtkFindNet(pNtk, pNameOut); assert( pNet );
Abc_ObjAddFanin( pNet, pNode );
return pNet;
}
////////////////////////////////////////////////////////////////////////
/// END OF FILE ///
////////////////////////////////////////////////////////////////////////
|
