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From: Mario Limonciello <Mario_Limonciello@Dell.com>
To: "Vladimir 'φ-coder/phcoder' Serbinenko" <phcoder@gmail.com>
Cc: "grub-devel@gnu.org" <grub-devel@gnu.org>
Subject: Re: [PATCH] Explicitly build msdos partition support into EFI executables
Date: Thu, 06 Jan 2011 11:18:29 -0600	[thread overview]
Message-ID: <4D25F965.6040909@Dell.com> (raw)
In-Reply-To: <4D25D571.2050407@gmail.com>

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Hi Vladimir:

On 01/06/2011 08:45 AM, Vladimir 'φ-coder/phcoder' Serbinenko wrote:
> On 01/05/2011 05:45 PM, Mario Limonciello wrote:
>> Hi:
>>
>> Currently EFI executables don't include part_msdos or vfat support by
>> default.  This means that EFI executables can only be launched
>> directly from ISO9660 filesystems.  The attached patch explicitly adds
>> part_msdos and vfat so that the rest of the GRUB files can be found on
>> other devices, such as USB keys.
>>
> grub-mkrescue is only for creating ISOs. If you need to install to HDD
> please use grub-install. For custom EFI executables use grub-mkimage
The reason for adding this to the EFI executable on ISOs is so that 
those same ISOs can be installed to a VFAT USB stick and that USB stick 
bootable via EFI.  The particular use case i'm thinking about is 
Ubuntu's usb-creator. It extracts the ISO directly to the stick.  If the 
EFI executable contains these two modules, no additional work is necessary.

-- 
*Mario Limonciello*
Linux Engineer
*Dell*| OS Engineering

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      reply	other threads:[~2011-01-06 17:18 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-01-05 16:45 [PATCH] Explicitly build msdos partition support into EFI executables Mario Limonciello
2011-01-06 14:27 ` KESHAV P.R.
2011-01-06 14:45 ` Vladimir 'φ-coder/phcoder' Serbinenko
2011-01-06 17:18   ` Mario Limonciello [this message]

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