linux-kernel - Re: EFI and multiboot2 devlopment work for Xen

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Tue, 22 Oct 2013 10:31:18 +0100
From:	"Jan Beulich" <JBeulich@...e.com>
To:	"Ian Campbell" <ian.campbell@...rix.com>
Cc:	<ross.philipson@...rix.com>, <stefano.stabellini@...citrix.com>,
	<grub-devel@....org>, <david.woodhouse@...el.com>,
	<richard.l.maliszewski@...el.com>, <xen-devel@...ts.xen.org>,
	<boris.ostrovsky@...cle.com>,
	"Daniel Kiper" <daniel.kiper@...cle.com>, <konrad.wilk@...cle.com>,
	"Peter Jones" <pjones@...hat.com>, <linux-kernel@...r.kernel.org>,
	<keir@....org>
Subject: Re: EFI and multiboot2 devlopment work for Xen

>>> On 22.10.13 at 11:26, Ian Campbell <ian.campbell@...rix.com> wrote:
> AIUI "efilinux" is somewhat badly named and does not use the Linux Boot
> Protocol (i.e. the (b)zImage stuff with real mode entry point) either.
> It actually loads and executes the kernel binary as a PE/COFF executable
> (the native UEFI binary executable format). xen.efi is a PE/COFF binary
> too and could equally well be launched by linuxefi in this way.

Except that unless I'm mistaken "linuxefi" still expects to find certain
Linux-specific internal data structures inside the PE image, which I
don't see us wanting to be emulating. That's the main difference to
"chainloader" afaict.

Jan

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/