From: "Yoshinori K. Okuji" <okuji@enbug.org>
To: The development of GRUB 2 <grub-devel@gnu.org>
Subject: Re: OpenSolaris and multiboot
Date: Sat, 25 Nov 2006 04:08:54 +0100 [thread overview]
Message-ID: <200611250408.55885.okuji@enbug.org> (raw)
In-Reply-To: <1164221907.29546.2.camel@basalt>
On Wednesday 22 November 2006 19:58, Hollis Blanchard wrote:
> I think he's referring to the "architecture-specific" tags (which are
> currently not fleshed out in the spec). There are different sections for
> x86 and x86-64, and it is a good question about when each is used.
>
> I'm really not sure what would be different about the two sets, but if
> there are differences, the ELF class seems like a reasonable way to
> decide which to use.
No difference, in my opinion. GRUB never activate 64-bit mode, and the
firmware behaves exactly in the same way. Thus we don't need to pass
different tags.
Briefly, i386 and x86_64 are treated identically in the Multiboot
Specification. I wrote some notes about x86_64, only because I had to make it
clear how to initialize additional registers before passing the control to a
kernel.
Okuji
prev parent reply other threads:[~2006-11-25 3:09 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1163802029.20484.53.camel@basalt>
[not found] ` <456252C2.1060101@sun.com>
2006-11-21 16:01 ` OpenSolaris and multiboot Hollis Blanchard
2006-11-21 23:25 ` Joe Bonasera
2006-11-22 9:41 ` Johan Rydberg
2006-11-22 18:58 ` Hollis Blanchard
2006-11-25 3:08 ` Yoshinori K. Okuji [this message]
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