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