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[x86 setup] The current display page is returned in %bh, not %bl

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The current display page is an 8-bit number, even though struct
screen_info gives it a 16-bit number.  The number is returned in %bh,
so it needs to be >> 8 before storing.

Special thanks to Jeff Chua for detailed bug reporting.

Signed-off-by: H. Peter Anvin <hpa@zytor.com>
This commit is contained in:
H. Peter Anvin 2007-08-10 14:20:26 -07:00
parent 28e8351ac2
commit 362cea339a
1 changed files with 1 additions and 1 deletions
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2
arch/i386/boot/video.c
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@ -61,7 +61,7 @@ static void store_video_mode(void)
/* Not all BIOSes are clean with respect to the top bit */
boot_params.screen_info.orig_video_mode = ax & 0x7f;
boot_params.screen_info.orig_video_page = page;
boot_params.screen_info.orig_video_page = page >> 8;
}
/*