UEFI Overview

Bobby Batacharia Bobby.Batacharia at arm.com
Thu Jul 7 16:22:03 UTC 2011


My understanding is that they're an implementation of the UUID RFC, so there is no registry.

http://en.wikipedia.org/wiki/Globally_unique_identifier


> -----Original Message-----
> From: boot-architecture-bounces at lists.linaro.org [mailto:boot-
> architecture-bounces at lists.linaro.org] On Behalf Of Dan Handley
> Sent: Thursday, July 07, 2011 5:06 PM
> To: boot-architecture at lists.linaro.org
> Subject: RE: UEFI Overview
>
> Hi Loïc
>
> The Device Path is applicable across all architectures. There's nothing
> ARM specific.
>
> As far as I know there's no registry of GUIDs. When GUIDs are used in
> Device Paths they are vendor specific and outside the remit of the UEFI
> specification. Perhaps some individual vendors maintain their own GUID
> registry?
>
> Regards
>
> Dan.
>
> -----Original Message-----
> From: boot-architecture-bounces at lists.linaro.org [mailto:boot-
> architecture-bounces at lists.linaro.org] On Behalf Of Loïc Minier
> Sent: 07 July 2011 15:33
> To: boot-architecture at lists.linaro.org
> Subject: Re: UEFI Overview
>
> On Wed, Jul 06, 2011, Olivier Martin wrote:
> > UEFI Device Path
> > ----------------
> > UEFI has the concept of 'Device Path'. Every hardware devices
> supported by
> > the UEFI firmware on the platform have a representation that defined
> the
> > hardware path to access to this device and their properties.
>
>  I had a couple of questions on this:
>  * is the definition ARM specific or across all arches?
>  * is there a registry of GUID and allowed interfaces?
>
> --
> Loïc Minier
>
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