[Top][All Lists]
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: Does GRUB2 use the Dos Compatibility space?
From: |
Robert Millan |
Subject: |
Re: Does GRUB2 use the Dos Compatibility space? |
Date: |
Mon, 26 Oct 2009 16:03:19 +0100 |
User-agent: |
Mutt/1.5.18 (2008-05-17) |
On Thu, Oct 22, 2009 at 08:46:38AM -0700, Dr. Dov Bulka wrote:
> I know that Grub Legacy used the space following the MBR (DOS Compat Region)
> to store the code for stage 1.5. Consequently, it was a good idea for the OS
> to leave the first 32KB of the boot disk intact.
>
> Are their any new space limitations introduced by GRUB2? How much of the
> beginning of the boot disk are dedicated to GRUB2? In other words, as an OS
> developer, what space regions should I stay away from?
It does. In addition, in GPT labels it takes advantage of the BIOS Boot
partition (which serves the same purpose but can allocate more space).
--
Robert Millan
The DRM opt-in fallacy: "Your data belongs to us. We will decide when (and
how) you may access your data; but nobody's threatening your freedom: we
still allow you to remove your data and not access it at all."