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git://projects.qi-hardware.com/wernermisc.git
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60 lines
1.3 KiB
Plaintext
60 lines
1.3 KiB
Plaintext
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#!/usr/bin/perl
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$REF = "standby.fpg"; # reference bitstream
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$LEN = 0x78dd0; # cut off trailing junk
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open(FILE, $REF) || die "$REF: $!";
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$ref = substr(join("", <FILE>), 0, $LEN);
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close FILE;
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die "reference bitstream is too short" unless length $ref == $LEN;
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for (@ARGV) {
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open(FILE, $_) || die "$_: $!";
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$c{$_} = substr(join("", <FILE>), 0, $LEN);
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close FILE;
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die "$_ is too short" unless length $c{$_} == $LEN;
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}
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# @@@ not quite perfect - we should extract the cycle numbers and sort by them
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for (sort keys %c) {
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$n = 0;
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@a = ();
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for ($i = 0; $i != $LEN; $i += 2) {
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next unless substr($ref, $i, 2) ne substr($c{$_}, $i, 2);
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$r = unpack("B*", substr($ref, $i, 2));
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$c = unpack("B*", substr($c{$_}, $i, 2));
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if (defined $s{$i}) {
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$s = " " x 26;
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} else {
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$s = sprintf("%05x ", $i);
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for ($j = 19; $j >= 0; $j--) {
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$s .= $i & (1 << $j) ? "1" : "_";
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}
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}
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$s .= " | ";
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for ($j = 0; $j != 16; $j++) {
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$s .= " " if $j == 8;
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$s .= substr($r, $j, 1) ?
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substr($c, $j, 1) ? "1" : "0" :
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substr($c, $j, 1) ? die : "_";
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# substr($c, $j, 1) ? "\033[7m \033[m" : "_";
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}
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if ($i >= 0x10) { # count only fatal corruptions
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push(@a, $i);
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$n++;
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} else {
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$s .= " | $_\n";
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}
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$s{$i} .= $s;
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}
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for $a (@a) {
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$s{$a} .= " | $_ ($n)\n";
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}
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}
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for (sort { $a <=> $b } keys %s) {
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print $s{$_};
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}
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