mirror of
https://github.com/trezor/trezor-firmware.git
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111 lines
3.1 KiB
Raku
111 lines
3.1 KiB
Raku
#!/usr/bin/perl
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print <<'EOF';
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/*
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* This file is part of the TREZOR project, https://trezor.io/
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*
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* Copyright (C) 2016 Jochen Hoenicke <hoenicke@gmail.com>
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*
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* This library is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this library. If not, see <http://www.gnu.org/licenses/>.
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*/
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EOF
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my @arr1;
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my @arr2;
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my $x = 0;
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my $l = "00";
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my @words;
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while (<>) {
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$_ =~ /([1-9]{2})[1-9] ([1-6]):(.*)/;
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my $n = $1;
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my $c = $2;
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my @nw = split(",", $3);
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die if $c != @nw;
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die if $c > 6;
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push @words, @nw;
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if ($n ne $l) {
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$len = @arr2;
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die if $len - $arr1[-1] > 9;
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push @arr1, $len;
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}
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push @arr2, $x;
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$x += $c;
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$l = $n;
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}
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$len = @arr2;
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push @arr1, $len;
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push @arr2, $x;
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sub computerange($$$) {
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my ($i1, $i2, $entries) = @_;
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$prev = $i1 == 0 ? "_" : $words[$i1 - 1];
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$first = $words[$i1];
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$last = $words[$i2-1];
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$next = $i2 == @words ? "_" : $words[$i2];
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my $j;
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for ($j = 0; $j < 5; $j++) {
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last if substr($first, 0, $j+1) ne substr($last, 0, $j+1);
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last if substr($prev, 0, $j) ne substr($first, 0, $j)
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&& substr($next, 0, $j) ne substr($last, 0, $j);
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}
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$prefix = substr($first, 0, $j);
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$range = "";
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$rng = 0;
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if (substr($prev, 0, $j) eq substr($first, 0, $j)
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|| substr($last, 0, $j) eq substr($next, 0, $j)) {
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$range = "[".substr($first, $j, 1) . "-". substr($last, $j, 1)."]";
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$rng++;
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if ($j <= 1) {
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$range = substr($first,0, $j+1)."-".substr($last,0,$j+1);
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$prefix= "";
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}
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}
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if (substr($prev, 0, $j+1) eq substr($first, 0, $j+1)
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|| substr($last, 0, $j+1) eq substr($next, 0, $j+1)) {
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$j = 0; $rng = 2;
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}
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#printf STDERR " # %1d: %9s - %9s = \U$prefix$range\E\n", $entries, $first, $last;
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return $j + $rng;
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}
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print << 'EOF';
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/* DO NOT EDIT: This file is automatically generated by
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* cd ../gen/wordlist
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* perl build-recoverytable.pl recovery_english.txt
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*/
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EOF
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$len = @arr1;
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print "static const uint16_t word_table1[$len] =\n";
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print "{";
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for ($i = 0; $i< @arr1; $i++) {
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print "\n " if ($i % 9 == 0);
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$prefixlen = computerange($arr2[$arr1[$i]], $arr2[$arr1[$i+1]], $arr1[$i+1]-$arr1[$i]);
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$prefixlen = 0 if ($i == @arr1 - 1);
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printf(" %5d,", $arr1[$i] + 4096 * $prefixlen);
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}
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print "\n};\n\n";
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$len = @arr2;
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print "static const uint16_t word_table2[$len] =\n";
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print "{";
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for ($i = 0; $i< @arr2; $i++) {
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print "\n " if ($i % 9 == 0);
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$prefixlen = computerange($arr2[$i], $arr2[$i+1], $arr2[$i+1]-$arr2[$i]);
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$prefixlen = 0 if ($i == @arr2 - 1);
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printf(" %5d,", $arr2[$i] + 4096 * $prefixlen);
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}
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print "\n};\n";
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