From 0a69dc9b1745e863f0c16e50dba78804ba0925f7 Mon Sep 17 00:00:00 2001
From: Robert Morris <rtm@csail.mit.edu>
Date: Wed, 10 Aug 2016 11:22:36 -0400
Subject: [PATCH] even more explicit that entry.S is linked into kernel, unlike
 bootasm.S.

---
 entry.S      | 4 ++++
 entryother.S | 2 +-
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/entry.S b/entry.S
index 5f4e124..bc79bab 100644
--- a/entry.S
+++ b/entry.S
@@ -1,3 +1,7 @@
+# The xv6 kernel starts executing in this file. This file is linked with
+# the kernel C code, so it can refer to kernel symbols such as main().
+# The boot block (bootasm.S and bootmain.c) jumps to entry below.
+        
 # Multiboot header, for multiboot boot loaders like GNU Grub.
 # http://www.gnu.org/software/grub/manual/multiboot/multiboot.html
 #
diff --git a/entryother.S b/entryother.S
index 9f94cd3..8a8a020 100644
--- a/entryother.S
+++ b/entryother.S
@@ -53,7 +53,7 @@ start32:
   movl    %cr4, %eax
   orl     $(CR4_PSE), %eax
   movl    %eax, %cr4
-  # Use enterpgdir as our initial page table
+  # Use entrypgdir as our initial page table
   movl    (start-12), %eax
   movl    %eax, %cr3
   # Turn on paging.