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
|
/**CFile****************************************************************
FileName [fpga.c]
PackageName [MVSIS 1.3: Multi-valued logic synthesis system.]
Synopsis [Command file for the FPGA package.]
Author [MVSIS Group]
Affiliation [UC Berkeley]
Date [Ver. 2.0. Started - August 18, 2004.]
Revision [$Id: fpga.c,v 1.4 2004/10/28 17:36:07 alanmi Exp $]
***********************************************************************/
#include "fpgaInt.h"
#include "main.h"
////////////////////////////////////////////////////////////////////////
/// DECLARATIONS ///
////////////////////////////////////////////////////////////////////////
static int Fpga_CommandReadLibrary( Abc_Frame_t * pAbc, int argc, char **argv );
static int Fpga_CommandPrintLibrary( Abc_Frame_t * pAbc, int argc, char **argv );
// the library file format should be as follows:
/*
# The area/delay of k-variable LUTs:
# k area delay
1 1 1
2 2 2
3 4 3
4 8 4
5 16 5
6 32 6
*/
////////////////////////////////////////////////////////////////////////
/// FUNCTION DEFINITIONS ///
////////////////////////////////////////////////////////////////////////
/**Function*************************************************************
Synopsis [Package initialization procedure.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Fpga_Init( Abc_Frame_t * pAbc )
{
// set the default library
//Fpga_LutLib_t s_LutLib = { "lutlib", 6, {0,1,2,4,8,16,32}, {0,1,2,3,4,5,6} };
// Fpga_LutLib_t s_LutLib = { "lutlib", 5, {0,1,1,1,1,1}, {0,1,1,1,1,1} };
Fpga_LutLib_t s_LutLib = { "lutlib", 4, {0,1,1,1,1}, {0,1,1,1,1} };
//Fpga_LutLib_t s_LutLib = { "lutlib", 3, {0,1,1,1}, {0,1,1,1} };
Abc_FrameSetLibLut( Fpga_LutLibDup(&s_LutLib) );
Cmd_CommandAdd( pAbc, "FPGA mapping", "read_lut", Fpga_CommandReadLibrary, 0 );
Cmd_CommandAdd( pAbc, "FPGA mapping", "print_lut", Fpga_CommandPrintLibrary, 0 );
}
/**Function*************************************************************
Synopsis [Package ending procedure.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Fpga_End()
{
Fpga_LutLibFree( Abc_FrameReadLibLut() );
}
/**Function*************************************************************
Synopsis [Command procedure to read LUT libraries.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
int Fpga_CommandReadLibrary( Abc_Frame_t * pAbc, int argc, char **argv )
{
FILE * pFile;
FILE * pOut, * pErr;
Fpga_LutLib_t * pLib;
Abc_Ntk_t * pNet;
char * FileName;
int fVerbose;
int c;
pNet = Abc_FrameReadNtk(pAbc);
pOut = Abc_FrameReadOut(pAbc);
pErr = Abc_FrameReadErr(pAbc);
// set the defaults
fVerbose = 1;
util_getopt_reset();
while ( (c = util_getopt(argc, argv, "vh")) != EOF )
{
switch (c)
{
case 'v':
fVerbose ^= 1;
break;
case 'h':
goto usage;
break;
default:
goto usage;
}
}
if ( argc != util_optind + 1 )
{
goto usage;
}
// get the input file name
FileName = argv[util_optind];
if ( (pFile = fopen( FileName, "r" )) == NULL )
{
fprintf( pErr, "Cannot open input file \"%s\". ", FileName );
if ( FileName = Extra_FileGetSimilarName( FileName, ".genlib", ".lib", ".gen", ".g", NULL ) )
fprintf( pErr, "Did you mean \"%s\"?", FileName );
fprintf( pErr, "\n" );
return 1;
}
fclose( pFile );
// set the new network
pLib = Fpga_LutLibCreate( FileName, fVerbose );
if ( pLib == NULL )
{
fprintf( pErr, "Reading LUT library has failed.\n" );
goto usage;
}
// replace the current library
Fpga_LutLibFree( Abc_FrameReadLibLut() );
Abc_FrameSetLibLut( pLib );
return 0;
usage:
fprintf( pErr, "\nusage: read_lut [-vh]\n");
fprintf( pErr, "\t read the LUT library from the file\n" );
fprintf( pErr, "\t-v : toggles enabling of verbose output [default = %s]\n", (fVerbose? "yes" : "no") );
fprintf( pErr, "\t-h : print the command usage\n");
fprintf( pErr, "\t \n");
fprintf( pErr, "\t File format for a LUT library:\n");
fprintf( pErr, "\t (the default library is shown)\n");
fprintf( pErr, "\t \n");
fprintf( pErr, "\t # The area/delay of k-variable LUTs:\n");
fprintf( pErr, "\t # k area delay\n");
fprintf( pErr, "\t 1 1 1\n");
fprintf( pErr, "\t 2 2 2\n");
fprintf( pErr, "\t 3 4 3\n");
fprintf( pErr, "\t 4 8 4\n");
fprintf( pErr, "\t 5 16 5\n");
fprintf( pErr, "\t 6 32 6\n");
return 1; /* error exit */
}
/**Function*************************************************************
Synopsis [Command procedure to read LUT libraries.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
int Fpga_CommandPrintLibrary( Abc_Frame_t * pAbc, int argc, char **argv )
{
FILE * pOut, * pErr;
Abc_Ntk_t * pNet;
int fVerbose;
int c;
pNet = Abc_FrameReadNtk(pAbc);
pOut = Abc_FrameReadOut(pAbc);
pErr = Abc_FrameReadErr(pAbc);
// set the defaults
fVerbose = 1;
util_getopt_reset();
while ( (c = util_getopt(argc, argv, "vh")) != EOF )
{
switch (c)
{
case 'v':
fVerbose ^= 1;
break;
case 'h':
goto usage;
break;
default:
goto usage;
}
}
if ( argc != util_optind )
{
goto usage;
}
// set the new network
Fpga_LutLibPrint( Abc_FrameReadLibLut() );
return 0;
usage:
fprintf( pErr, "\nusage: read_print [-vh]\n");
fprintf( pErr, "\t print the current LUT library\n" );
fprintf( pErr, "\t-v : toggles enabling of verbose output [default = %s]\n", (fVerbose? "yes" : "no") );
fprintf( pErr, "\t-h : print the command usage\n");
return 1; /* error exit */
}
////////////////////////////////////////////////////////////////////////
/// END OF FILE ///
////////////////////////////////////////////////////////////////////////
|
