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#!/usr/bin/perl -w
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# $Id: xst_count_bels 314 2010-07-09 17:38:41Z mueller $
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#
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# Copyright 2007-2010 by Walter F.J. Mueller
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#
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# This program is free software; you may redistribute and/or modify it under
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# the terms of the GNU General Public License as published by the Free
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# Software Foundation, either version 2, or at your option any later version.
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#
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# This program is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY, without even the implied warranty of MERCHANTABILITY
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# or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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# for complete details.
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#
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# Revision History:
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# Date Rev Version Comment
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# 2010-04-26 284 1.2.1 add error check for GetOptions
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# 2007-10-28 93 1.2 added -xsts (_ssim based device summary)
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# 2007-06-30 62 1.1 fixed parser, now all bels counted
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# 2007-06-16 57 1.0 Initial version
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use 5.005; # require Perl 5.005 or higher
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use strict; # require strict checking
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use Getopt::Long;
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sub do_file;
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my %opts = ();
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GetOptions(\%opts, "xstl", "xsts")
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or die "bad options";
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my $do_xstl = defined $opts{xstl};
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my $do_xsts = defined $opts{xsts};
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my $do_plain = not ($do_xstl or $do_xsts);
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foreach (@ARGV) { do_file($_); }
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#-------------------------------------------------------------------------------
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sub do_file {
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my ($filename) = @_;
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my %bels;
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my $cur_bel;
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open (IFILE, $filename) or die "can't open for read $filename";
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while() {
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chomp;
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if (m{^\s*[a-zA-Z0-9_]+\s*:\s*([a-zA-Z0-9_]+)\s*$}) {
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$cur_bel = $1;
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} elsif (m{\s*(generic|port)\s+map\s*\(\s*}) {
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$bels{$cur_bel} += 1 if $cur_bel;
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} else {
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$cur_bel = "";
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}
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}
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close (IFILE);
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if ($do_plain) {
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foreach (sort keys %bels) {
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printf "%16s : %5d\n", $_, $bels{$_};
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}
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}
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if ($do_xsts) {
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my $n_flop = 0;
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my $n_luts = 0;
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my $n_luts_log = 0;
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my $n_luts_ram = 0;
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my $n_bram = 0;
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my $n_mult = 0;
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my $n_iob = 0;
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foreach (sort keys %bels) {
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if (/^FD/) {
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$n_flop += $bels{$_};
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} elsif (/^LUT/) {
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$n_luts += $bels{$_};
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$n_luts_log += $bels{$_};
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} elsif (/^RAMB/) {
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$n_bram += $bels{$_};
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} elsif (/^RAM\d*X.*D$/) {
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$n_luts += 2 * $bels{$_};
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$n_luts_ram += 2 * $bels{$_};
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} elsif (/^RAM\d*X.*S$/) {
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$n_luts += $bels{$_};
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$n_luts_ram += $bels{$_};
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} elsif (/^[IO]BUF$/) {
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$n_iob += $bels{$_};
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} elsif (/^MULT/) {
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$n_mult += $bels{$_};
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}
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}
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print "Device utilization summary (_ssim BELS scan):\n";
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print "---------------------------------------------\n";
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printf " Number of Flip Flops: %5d\n", $n_flop;
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printf " Number of LUTs: %5d\n", $n_luts;
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printf " Number used as logic: %5d\n", $n_luts_log;
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printf " Number used as RAMs: %5d\n", $n_luts_ram;
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printf " Number of bonded IOBs: %5d\n", $n_iob;
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printf " Number of BRAMs: %5d\n", $n_bram;
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printf " Number of MULT18X18s: %5d\n", $n_mult;
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}
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}
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