From: S-n-e-a-k-e-r@gmx.net
To: linux-kernel@vger.kernel.org
Subject: int 0x15, ah=0x88 question
Date: Mon, 19 May 2003 12:22:07 +0200 (MEST) [thread overview]
Message-ID: <9188.1053339727@www54.gmx.net> (raw)
Hi all,
Following code comes from arch/i386/boot/setup.S (memory detection):
387 movb $0x88, %ah
388 int $0x15
389 movw %ax, (2)
Why memory address 2 is used? Where else in the kernel is it used? We are in
real mode, so (2) should be the same as %ds:(2), or not?
Sorry that I'm bugging the mailing list with that question but I didn't
found the answer anywhere. So a web page, a book or something else would be also
nice as an answer.
Regards,
Andy
Ps: please cc me!
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next reply other threads:[~2003-05-19 10:09 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-05-19 10:22 S-n-e-a-k-e-r [this message]
2003-05-19 13:08 ` Dave Jones
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