135 lines
2.8 KiB
Perl
135 lines
2.8 KiB
Perl
#!/usr/pkg/bin/perl
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#--------------------------------------------------------------------------
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# %Id: adjustkernel,v 1.1 1999/10/15 01:21:30 feyrer Exp feyrer %
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# $Emsi: adjustkernel,v 1.4 2001/10/04 22:26:26 mjl Exp $
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#
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# Usage: adjustkernel -f GENERIC [-o outfile] [-d]
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#
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# commends out any lines that aren't found in the current kernel (dmesg)
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#
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#--------------------------------------------------------------------------
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use strict;
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use Getopt::Long;
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#--------------------------------------------------------------------------
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sub findInDmesg($$);
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#--------------------------------------------------------------------------
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my $kernel;
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my $outname;
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my $debug = 0;
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my $remove = 0;
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my $mesg;
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die "Invalid command line" unless GetOptions(
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'debug+' => \$debug,
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'file=s' => \$kernel,
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'outfile=s' => \$outname,
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'remove+' => \$remove,
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'mesg=s' => \$mesg
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);
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###########################################################################
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die "Usage: $0 [-d] [-o outfile] -f kernel-config\n" unless $kernel;
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$| = 1 if $debug;
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if($outname)
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{
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close STDOUT;
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open STDOUT, "> $outname" or die "Cannot write $outname: $!";
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}
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my @dmesg;
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if($mesg)
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{
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open DMESG, "< $mesg" or die "Cannot read $mesg: $!";
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@dmesg = <DMESG>;
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close DMESG;
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}
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else
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{
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@dmesg = `dmesg`;
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}
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@dmesg = grep /^\s*\w+\s+at\s+\w+/, @dmesg;
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#--------------------------------------------------------------------------
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open(K,"$kernel") or die "Cannot read $kernel: $!";
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while (<K>)
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{
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chomp;
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if (/^\s*#/)
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{ # Already commented out
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# Nothing
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}
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elsif (/(\S*)\s+at\s+(\S*)(\s*.*)$/)
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{
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my ( $dev, $where, $comment ) = ( $1, $2, $3 );
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print STDERR "#>> Have? <$dev> at <$where><$comment>\n" if $debug;
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# Deal with inconsistencies
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$where = '\w+\d' if $where =~ /^mii/o;
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# Expand wildcards
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my $gdev=$dev;
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if ($dev =~ /[?*]$/o)
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{
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$gdev="$`\\d";
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}
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my $gwhere = $where;
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if ($where =~ /[?*]$/o)
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{
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$gwhere="$`\\d";
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}
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my $spat = "^${gdev}\\s+at\\s+${gwhere}";
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print STDERR "#>> ? $spat\n" if $debug;
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my $l = findInDmesg(\@dmesg, "^${gdev}\\s+at\\s+${gwhere}");
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if (! $l)
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{
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if ($dev !~ /mainbus/)
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{ # inconsistent in dmesg, never comment out mainbus at something
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next if $remove;
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print "#(# ";
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}
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}
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}
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print "$_\n";
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}
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close(K);
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# Mention what we didn't find.
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foreach (@dmesg)
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{
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print "# NOTE: NoMatch: $_";
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}
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exit 0;
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#--------------------------------------------------------------------------
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sub findInDmesg($$)
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{
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my ( $dref, $pattern ) = @_;
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my @r = grep /$pattern/, @$dref;
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# We matched it once, so remove it from dmesg.
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# Ie. we match tr0 at isa once, but not tr* at isa later on
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@$dref = grep !/$pattern/, @$dref;
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print STDERR "#>> Have! @r" if @r && $debug;
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return scalar(@r) ? $r[0] : undef;
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}
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#--------------------------------------------------------------------------
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