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Re: [Xen-devel] xen,bproc and grub

To: Adam Sulmicki <adam@xxxxxxxxxxxx>
Subject: Re: [Xen-devel] xen,bproc and grub
From: Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>
Date: Mon, 08 Nov 2004 07:43:37 +0000
Cc: Ian Pratt <Ian.Pratt@xxxxxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxxx
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> > > > We wrote a patch to add multiboot support to kexec (that's how
> > > > Xenoboot works).  It was submitted to the kexec maintainer, but I
> > > > don't know whether it was accepted or not.
> > >
> > > heh, a small world. I assume this is the patch you refer to (and that it
> > > is the latest one)
> > >
> > >
> > > http://www.tjd.phlegethon.org/software/kexec-multiboot.patch
> argh, it seems to be using real-mode for booting, and it seems multiboot
> specs seems to assume existence of pcbios.
> i guess the right way will be just to strop xen.gz of all 16 bit code and
> have it loaded and started in 32 bit mode. In that way kexec could treat
> xen like elf32-x86 type file.

Xen is already an elf32-x86 binary. There is no real-mode, nor any
16-bit protected-mode, code in Xen.

 -- Keir

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