xv6

commit 4763a042c8b1f773c7517a145c72f455bde78b7f
parent 679a977cb2d4df42ce1f144593716aeb855d7a92
Author: rsc <rsc>
Date:   Sun, 16 Jul 2006 15:38:56 +0000

add minimal comments to generator vector table

Diffstat:
M
vectors.pl
 | 
9
++++++---

1 file changed, 6 insertions(+), 3 deletions(-)
diff --git a/vectors.pl b/vectors.pl
@@ -1,11 +1,12 @@
 #!/usr/bin/perl -w
 
-# generate vectors.S, the trap/interrupt entry points.
-# there has to be one entry point per interrupt number
+# Generate vectors.S, the trap/interrupt entry points.
+# There has to be one entry point per interrupt number
 # since otherwise there's no way to tell the interrupt
 # number.
 
 print "/* generated by vectors.pl */\n";
+print "/* handlers */\n";
 print ".text\n";
 print ".globl alltraps\n";
 for(my $i = 0; $i < 256; $i++){
@@ -17,9 +18,11 @@ for(my $i = 0; $i < 256; $i++){
     print "\tpushl \$$i\n";
     print "\tjmp alltraps\n";
 }
+
+print "\n/* vector table */\n";
 print ".data\n";
 print ".globl vectors\n";
 print "vectors:\n";
 for(my $i = 0; $i < 256; $i++){
-    print ".long vector$i\n";
+    print "\t.long vector$i\n";
 }