From: Robert Morris <rtm@csail.mit.edu>
Date: Sun, 8 Oct 2017 11:12:31 +0000 (-0400)
Subject: improve swtch comment
X-Git-Url: https://git.devinivas.org/?a=commitdiff_plain;h=1ab23170a1dda9fb16bd0a87c54040bbf08ebeaf;p=cs3210-lab0.git

improve swtch comment
---

diff --git a/swtch.S b/swtch.S
index 8751317..de612bd 100644
--- a/swtch.S
+++ b/swtch.S
@@ -2,8 +2,9 @@
 #
 #   void swtch(struct context **old, struct context *new);
 # 
-# Save current register context in old
-# and then load register context from new.
+# Save the current registers on the stack, creating
+# a struct context, and save its address in *old.
+# Switch stacks to new and pop previously-saved registers.
 
 .globl swtch
 swtch: