107 lines
2.4 KiB
Perl
Executable File
107 lines
2.4 KiB
Perl
Executable File
#!usr/bin/perl -w
|
|
use strict;
|
|
#use Shell;
|
|
#Use the time
|
|
use Time::gmtime;
|
|
|
|
#Get Date
|
|
my $mydate = gmctime();
|
|
|
|
my ($fname,$frpt);
|
|
|
|
sub print_usage()
|
|
{
|
|
print "VPR accepts a certain format of blif so this script checks the latches and corrects them if needed\n"
|
|
print "Usage:\n";
|
|
print " perl <script_name.pl> [-options]\n";
|
|
print " Options:(Mandatory!)\n";
|
|
print " -i <input_blif_path>\n";
|
|
print " -o <output_blif_path>\n";
|
|
print "\n";
|
|
return 1;
|
|
}
|
|
|
|
sub opts_read()
|
|
{
|
|
if (-1 == $#ARGV)
|
|
{
|
|
print "Error: No input argument!\n";
|
|
&print_usage();
|
|
exit(1);
|
|
}
|
|
else
|
|
{
|
|
for (my $iargv = 0; $iargv < $#ARGV+1; $iargv++)
|
|
{
|
|
if ("-i" eq $ARGV[$iargv])
|
|
{$fname = $ARGV[$iargv+1];}
|
|
elsif ("-o" eq $ARGV[$iargv])
|
|
{$frpt = $ARGV[$iargv+1];}
|
|
}
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
sub scan_blif()
|
|
{
|
|
my ($line,$lines);
|
|
my @tokens;
|
|
|
|
# Open src file
|
|
open(FIN, "< $fname") or die "Fail to open $fname!\n";
|
|
# Open des file
|
|
open(FOUT, "> $frpt") or die "Fail to open $frpt!\n";
|
|
while(defined($line = <FIN>)) {
|
|
chomp $line;
|
|
# Replace the < and > with [ and ], VPR does not support...
|
|
$line =~ s/</[/g;
|
|
$line =~ s/>/]/g;
|
|
# Check if this line start with ".latch", which we cares only
|
|
if ($line =~ m/\.names/) {
|
|
# check the continue line
|
|
$lines = $line; # empty the buffer
|
|
while($lines =~ m/\\$/) {
|
|
$line = <FIN>;
|
|
chomp $line;
|
|
$lines =~ s/\\$//;
|
|
$lines = $lines.$line;
|
|
}
|
|
@tokens = split('\s+',$lines);
|
|
if (($#tokens - 1) == 3) {
|
|
print FOUT ".gate CARRY a=$tokens[1] b=$tokens[2] c=$tokens[3] O=$tokens[4]\n";
|
|
} elsif (($#tokens - 1) == 2) {
|
|
print FOUT ".gate AND a=$tokens[1] b=$tokens[2] O=$tokens[3]\n";
|
|
} elsif (($#tokens - 1) == 1) {
|
|
$line = <FIN>;
|
|
if ($line =~ m/^0/) {
|
|
print FOUT ".gate INV a=$tokens[1] O=$tokens[2]\n";
|
|
} else {
|
|
print FOUT ".gate BUF a=$tokens[1] O=$tokens[2]\n";
|
|
}
|
|
} elsif (($#tokens - 1) == 0) { # constant generator
|
|
$line = <FIN>;
|
|
if ($line =~ m/^0/) {
|
|
print FOUT ".gate ZERO O=$tokens[1]\n";
|
|
} else {
|
|
print FOUT ".gate ONE O=$tokens[1]\n";
|
|
}
|
|
}
|
|
} else {
|
|
print FOUT "$line\n";
|
|
}
|
|
}
|
|
close(FIN);
|
|
close(FOUT);
|
|
return 1;
|
|
}
|
|
|
|
sub main()
|
|
{
|
|
&opts_read();
|
|
&scan_blif();
|
|
return 1;
|
|
}
|
|
|
|
&main();
|
|
exit(1);
|