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| author | jhb <jhb@FreeBSD.org> | 2006-04-11 17:36:08 +0000 |
|---|---|---|
| committer | jhb <jhb@FreeBSD.org> | 2006-04-11 17:36:08 +0000 |
| commit | eab270d045cc9f18d1d5de342d3c3c3f516c7801 (patch) | |
| tree | 27a7c6af08e973ee49b43bf7c427958f09f4b8d7 | |
| parent | 19de7c28639a872ddf8e0ae7e4c93570bef86019 (diff) | |
| download | FreeBSD-src-eab270d045cc9f18d1d5de342d3c3c3f516c7801.zip FreeBSD-src-eab270d045cc9f18d1d5de342d3c3c3f516c7801.tar.gz | |
Tweak comment.
| -rw-r--r-- | sys/boot/i386/cdboot/cdboot.s | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/sys/boot/i386/cdboot/cdboot.s b/sys/boot/i386/cdboot/cdboot.s index b40752b..cd16966 100644 --- a/sys/boot/i386/cdboot/cdboot.s +++ b/sys/boot/i386/cdboot/cdboot.s @@ -485,11 +485,11 @@ twiddle: push %ax # Save ret # -# Enable A20. Put upper limit on amount of time we wait for the +# Enable A20. Put an upper limit on the amount of time we wait for the # keyboard controller to get ready (65K x ISA access time). If -# we wait more than that amount it's likely that the hardware -# is legacy-free and simply doesn't have keyboard controller -# and don't need enabling A20 at all. +# we wait more than that amount, the hardware is probably +# legacy-free and simply doesn't have a keyboard controller. +# Thus, the A20 line is already enabled. # seta20: cli # Disable interrupts xor %cx,%cx # Clear |
