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authorH. Peter Anvin <hpa@zytor.com>2007-07-11 17:39:55 -0700
committerH. Peter Anvin <hpa@zytor.com>2007-07-11 17:39:55 -0700
commit3d7c434a87c512c64c78df32f1b548cd502b61f3 (patch)
tree3418239bcc858ef50cefe1ef2e1c9e5224906144 /mbr/mbr.S
parentb033154be62ec4ebd5831e09241af7f7971a7da1 (diff)
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MBR: one more comment
Comments are good...
Diffstat (limited to 'mbr/mbr.S')
-rw-r--r--mbr/mbr.S1
1 files changed, 1 insertions, 0 deletions
diff --git a/mbr/mbr.S b/mbr/mbr.S
index 424c46d5..d2e7d0f0 100644
--- a/mbr/mbr.S
+++ b/mbr/mbr.S
@@ -128,6 +128,7 @@ read_sector:
/* This chunk is skipped if we have ebios */
/* Do not clobber %eax before this chunk! */
+ /* This also relies on %bx and %edx as set up above. */
read_sector_cbios:
divl (secpercyl)
shlb $6, %ah