--- a/src/gearsTools/pmake.pl	Fri Aug 02 19:36:19 2019 +0900
+++ b/src/gearsTools/pmake.pl	Wed Oct 09 20:41:51 2019 +0900
@@ -73,6 +73,8 @@
   system(join(' ',@query));
 }
 
+
+
 __DATA__
 cp  initcode ./CMakeFiles/kernel.dir/initcode 
 cp  fs.img ./CMakeFiles/kernel.dir/fs.img
@@ -120,3 +122,17 @@
 binary \
 initcode \
 fs.img 
+
+__END__
+
+=encoding utf-8
+
+=head1 NAME
+
+pmake.pl - pmake is a wrapper at cmake in xv6.
+
+=head1 SYNOPSIS
+
+     pmake.pl <build directory> <cbcxv6 src direcory>
+
+=cut