From: "Randy.Dunlap" <rddunlap@osdl.org>
To: koala.gnu@tiscalinet.it
Cc: Riley@Williams.Name, linux-kernel@vger.kernel.org
Subject: Re: Linux boot code
Date: Tue, 15 Jul 2003 09:03:37 -0700 [thread overview]
Message-ID: <20030715090337.6ce4b9a3.rddunlap@osdl.org> (raw)
In-Reply-To: <3F13C6BA.80102@tiscalinet.it>
On Tue, 15 Jul 2003 11:17:46 +0200 Koala GNU <koala.gnu@tiscalinet.it> wrote:
| Hi, Riley,
|
| thanks for your reply.
|
| I noticed the native boot code for floppy is not supported any more. In
| fact in the current code display a message and reboot the machine after
| the press of a key.
|
| But I am interested on how the old native boot code worked.
|
| Do you know if there is a particular reason why the boot sector is moved
| to 0x9000:0 (excuse me if I repeat the question, but I need help on this)?
Why do you need to know?
IIRC, it's because the code being loaded also (usually) is written
as a boot loader also, and boot loaders often assume that they are
loaded at 0:7c00. (disclaimer: it's been a few years since I worked
on boot loaders.)
| I hope someone else can point me a site where is reported the format of
| the floppy parameter table at address 0x0:0x78.
http://www.delorie.com/djgpp/doc/rbinter/id/55/24.html (for one)
--
~Randy
| http://developer.osdl.org/rddunlap/ | http://www.xenotime.net/linux/ |
next prev parent reply other threads:[~2003-07-15 15:51 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <3F12AC57.2080609@tiscalinet.it>
2003-07-14 16:15 ` Linux boot code Riley Williams
2003-07-15 9:17 ` Koala GNU
2003-07-15 16:03 ` Randy.Dunlap [this message]
2003-07-15 18:01 ` Hua Zhong
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