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#!/usr/bin/perl -w
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# $Id: xilinx_tsim_xon 314 2010-07-09 17:38:41Z mueller $
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#
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# Copyright 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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# 2010-05-06 289 1.0 Initial version
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#
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#
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# Add "XON => false," defs in X_FF and X_SFF instances when name of the
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# instance is matched by a regexp found in a descriptor file.
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#
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# Logic:
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# looks for lines like
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# : X_FF
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# generic map(
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# and adds
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# XON => false, -- added by xilinx_tsim_xon tool --
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# if is matched by a regexp found in file stem..tsim_xon_dat
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#
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# all old 'XON => false' lines in input file are removed first, so this
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# tool can be rerun with changing desciptor files.
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#
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use strict;
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my $stem = shift;
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if (not defined $stem) {
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print "xilinx_tsim_xon-E: call with file stem\n";
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exit 1;
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}
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my $file_vhd = $stem . "_tsim.vhd";
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my $file_dsc = $stem . ".tsim_xon_dat";
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if (! -r $file_vhd) {
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print "xilinx_tsim_xon-E: $file_vhd not found or readable\n";
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exit 1;
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}
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if (! -r $file_dsc) {
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print "xilinx_tsim_xon-E: $file_dsc not found or readable\n";
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exit 1;
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}
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my @dsc_list;
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open(DFILE, "<$file_dsc") || die ("Can't open descriptor file $file_dsc: $!");
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while () {
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chomp;
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s/^\s*//;
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s/\s*$//;
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next if m/^#/;
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next if m/^$/;
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push @dsc_list, $_;
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}
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close(DFILE);
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my $file_tmp = $stem . "_tsim_new.vhd";
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open(OFILE, ">$file_tmp") || die ("Can't open output file $file_tmp: $!");
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open(IFILE, "<$file_vhd") || die ("Can't open input file $file_vhd: $!");
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my $match_1 = 0;
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my $name_1;
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while () {
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my $line = $_;
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next if m/-- added by xilinx_tsim_xon tool --$/;
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print OFILE $line;
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my $match = 0;
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my $name;
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if ($line =~ m/\s*([a-zA-Z0-9_]+)\s*:\s*(X_FF|X_SFF)/) {
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$name = $1;
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foreach my $pat (@dsc_list) {
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$match = 1 if ($name =~ m/^$pat$/);
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}
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}
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if ($match_1 && $line =~ m/generic map/) {
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## print "xilinx_tsim_xon-I: XON=>false for $name_1\n";
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print OFILE
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" XON => false, -- added by xilinx_tsim_xon tool --\n";
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}
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$match_1 = $match;
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$name_1 = $name;
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}
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close(IFILE);
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close(OFILE);
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rename $file_tmp, $file_vhd or die ("Can't rename $file_tmp: $!");
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