Permalink
Browse files

comment nits

  • Loading branch information...
1 parent 9b59dc4 commit 90a81b32285ed8d9644b95777c1bc0c931cb69c5 Robert Morris committed Sep 12, 2011
Showing with 3 additions and 3 deletions.
  1. +3 −3 bootasm.S
View
@@ -12,8 +12,8 @@
start:
cli # BIOS enabled interrupts; disable
- # Set up the important data segment registers (DS, ES, SS).
- xorw %ax,%ax # Segment number zero
+ # Zero data segment registers DS, ES, and SS.
+ xorw %ax,%ax # Set %ax to zero
movw %ax,%ds # -> Data Segment
movw %ax,%es # -> Extra Segment
movw %ax,%ss # -> Stack Segment
@@ -37,7 +37,7 @@ seta20.2:
outb %al,$0x60
# Switch from real to protected mode. Use a bootstrap GDT that makes
- # virtual addresses map dierctly to physical addresses so that the
+ # virtual addresses map directly to physical addresses so that the
# effective memory map doesn't change during the transition.
lgdt gdtdesc
movl %cr0, %eax

0 comments on commit 90a81b3

Please sign in to comment.