From: "Yoshinori K. Okuji" <okuji@enbug.org>
To: The development of GRUB 2 <grub-devel@gnu.org>
Subject: Re: patch for PPC Old World Macintosh
Date: Thu, 2 Sep 2004 12:48:05 +0200 [thread overview]
Message-ID: <200409021248.05291.okuji@enbug.org> (raw)
In-Reply-To: <981D02A4-FC30-11D8-806D-000A95A0560C@penguinppc.org>
On Wednesday 01 September 2004 18:04, Hollis Blanchard wrote:
> I see when you load multiboot ELF segments you require that they live
> in the 1M+ unreserved region described above. What OSs use multiboot,
> and are they all linked at 1MB or above?
I don't remember the implementation for GRUB 2, since it was written by
Jeroen instead of me. So I cannot say anything about that.
There many operating systems based on Multiboot. Just search on the web.
You can find GNU/Hurd, L4, AtheOS, and so on.
Normally OS images are linked to 1MB or above, although Multiboot
Specification does not mention this.
But note that you can relocate the OS image. For example, the Linux
loader on i386 must move a kernel image to <1MB before booting it, if
the format is zimage instead of bzimage. This stage overwrites a part
of GRUB, but there is no problem, because the relocation code resides
at a much lower place.
Okuji
next prev parent reply other threads:[~2004-09-02 10:53 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-08-29 23:52 patch for PPC Old World Macintosh Hollis Blanchard
2004-08-30 10:25 ` Yoshinori K. Okuji
2004-08-30 16:17 ` Marco Gerards
2004-08-31 2:12 ` Hollis Blanchard
2004-09-01 8:27 ` Yoshinori K. Okuji
2004-09-01 16:04 ` Hollis Blanchard
2004-09-02 4:47 ` Hollis Blanchard
2004-09-02 10:48 ` Yoshinori K. Okuji [this message]
2004-09-02 14:09 ` Jeroen Dekkers
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