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Re: IA64 port


From: tgingold
Subject: Re: IA64 port
Date: Tue, 29 Jan 2008 13:56:49 +0100
User-agent: Internet Messaging Program (IMP) 3.2.8

Quoting Robert Millan <address@hidden>:

> On Tue, Jan 29, 2008 at 11:35:26AM +0100, address@hidden wrote:
> > Quoting Robert Millan <address@hidden>:
> > > > > Why is this needed?  I'm not sure if it's good to exploit this
> > > "unreliability"
> > > > > feature that fat provides us ;-)
> > > >
> > > > On EFI, the prefix is extracted from an EFI path, whose case may not
> match
> > > > the FAT entries.
> > >
> > > Can you be more specific about this?  What do the specs say?  We wrote
> > > /boot/grub ourselves via grub-install;  is an EFI-compliant firmware
> > > allowed to actively mess up case in paths we provided?
> >
> > On EFI, we don't really know where grub is stored.  There is a filesystem
> > layout convention we'd better to follow.  As a consequence, we extract the
> > path from an EFI structure (I didn't write this code - it's in the EFI
> common
> > code).
>
> What would you think of case-insensitive search in grub_efi_set_prefix() ?

You mean walking the filesystem in grub_efi_set_prefix ?  Humm, this looks
like a hack.  The filesystem may not be FAT and there may be no way to read
directory entries (eg tftp - even if not yet supported).

If you really don't like it I can put it away for now.  Grub should work
without this patch in most cases.

Tristan.




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