[parted-devel] [PATCH] GPT & BIOS Boot partition

[H. Peter Anvin]

Robert Millan wrote:
> Hi!
> 
> This patch adds support for BIOS Boot partition [1] in GPT.  It is exposed to
> the user as "boot_bios" flag.
> 
> Marking partitions as bootable by BIOS allows bootloaders to know they can put
> their code in them (much as they would in the 63 sector gap that DOS labels used
> to provide).
> 
> GRUB 2 already embeds itself in this area whenever found (as of current CVS).
> 
> [1] Not to be confused with hybrid MBR-GPT hacks! ;-)
> 

Is there any specification for this?

This seems like a specific boot GUID, but is there any documentation as 
to handover protocols, cross-OS support, etc; or is this a "Grub2-only 
standard"?

	-hpa