mirror of https://github.com/YosysHQ/yosys.git
62 lines
1.4 KiB
Perl
62 lines
1.4 KiB
Perl
|
#!/usr/bin/perl -w
|
||
|
|
#
|
||
|
|
# Note: You might need to install the Verilog::VCD package using CPAN..
|
||
|
|
|
||
|
|
use strict;
|
||
|
|
use Data::Dumper;
|
||
|
|
use Verilog::VCD qw(parse_vcd list_sigs);
|
||
|
|
|
||
|
|
$| = 1;
|
||
|
|
|
||
|
|
my $from_time = -1;
|
||
|
|
my $to_time = -1;
|
||
|
|
|
||
|
|
while (1)
|
||
|
|
{
|
||
|
|
if ($ARGV[0] eq '-f') {
|
||
|
|
$from_time = +$ARGV[1];
|
||
|
|
shift @ARGV;
|
||
|
|
shift @ARGV;
|
||
|
|
next;
|
||
|
|
}
|
||
|
|
if ($ARGV[0] eq '-t') {
|
||
|
|
$to_time = +$ARGV[1];
|
||
|
|
shift @ARGV;
|
||
|
|
shift @ARGV;
|
||
|
|
next;
|
||
|
|
}
|
||
|
|
last;
|
||
|
|
}
|
||
|
|
|
||
|
|
if ($#ARGV < 0) {
|
||
|
|
print STDERR "\n";
|
||
|
|
print STDERR "VCD2TXT - Convert VCD to tab-separated text file\n";
|
||
|
|
print STDERR "\n";
|
||
|
|
print STDERR "Usage: $0 [-f from_time] [-t to_time] input.vcd [<signal regex> ...]\n";
|
||
|
|
print STDERR "\n";
|
||
|
|
exit 1;
|
||
|
|
}
|
||
|
|
|
||
|
|
my $vcd = parse_vcd($ARGV[0]);
|
||
|
|
|
||
|
|
for my $node (keys $vcd) {
|
||
|
|
for my $net (@{$vcd->{$node}->{'nets'}}) {
|
||
|
|
my $dump_this = $#ARGV == 0;
|
||
|
|
for (my $i = 1; $i <= $#ARGV; $i++) {
|
||
|
|
my $regex = $ARGV[$i];
|
||
|
|
$dump_this = 1 if ($net->{"hier"} . "." . $net->{"name"}) =~ /$regex/;
|
||
|
|
}
|
||
|
|
next unless $dump_this;
|
||
|
|
my $cached_value = "";
|
||
|
|
for my $tv (@{$vcd->{$node}->{'tv'}}) {
|
||
|
|
$cached_value = $tv->[1], next if $from_time >= 0 and +$tv->[0] < $from_time;
|
||
|
|
next if $to_time >= 0 and +$tv->[0] > $to_time;
|
||
|
|
printf "%s\t%s\t%s\t%s\n", $node, $from_time, $net->{"hier"} . "." . $net->{"name"}, $cached_value
|
||
|
|
if $cached_value ne "" and $from_time >= 0 and +$tv->[0] > $from_time;
|
||
|
|
printf "%s\t%s\t%s\t%s\n", $node, $tv->[0], $net->{"hier"} . "." . $net->{"name"}, $tv->[1];
|
||
|
|
$cached_value = "";
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|