[Xen-devel] RE: [PATCH] Guest boot loader support [0/2]

["Ian Pratt" <m+Ian.Pratt@xxxxxxxxxxxx>]

Thanks Jeremy.

This should be backward compatible with existing config files, right? In
which case, we can apply to 2.0-testing as well as unstable.

Thanks,
Ian

> Per prior mails and my conversation with Ian last week, the 
> following set of patches adds a simple bootloader that can 
> read kernel/initrds off of the domU filesystem as well as 
> parsing of the grub config file.
> Right now, only ext[23] is supported (via libext2fs) but 
> adding other filesystems should be pretty easy, I just 
> haven't had a chance to sit down and look at the APIs for 
> libreiserfs or libxfs.
> 
> I've broken the changes into two parts.  The first implements 
> the changes needed for xm and xend to kick off a bootloader 
> process.  You can specify to use this by including a line
>   bootloader=/usr/bin/pygrub
> in your domain's config file (or similar).  If you 
> auto-connect the console, you'll get the interactive mode for 
> your bootloader run.  If you don't auto-connect the console, 
> then the bootloader will be run with -q, in which case it 
> should just pick the default.
> 
> The second patch adds pygrub which is the beginning of a grub 
> look-a-like.  It parses a regular grub.conf, although at 
> present only support for the rudimentary bits is present.  I 
> want to continue fleshing out the interface as well as adding 
> support for whole disks as opposed to just a partition.
> 
> Signed-off-by: Jeremy Katz <katzj@xxxxxxxxxx>
> 
> Jeremy
> 
> 

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