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Re: Booting to local disk from UEFI_PXE booted grub

From: Holger Goetz
Subject: Re: Booting to local disk from UEFI_PXE booted grub
Date: Wed, 20 Nov 2013 16:33:35 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:26.0) Gecko/20100101 Thunderbird/26.0

On 20.11.2013 16:18, Andrey Borzenkov wrote:
On Mon, Nov 18, 2013 at 12:33 PM, Holger Goetz <address@hidden> wrote:
Hi all,

I'm looking for the equivalent of "Local boot / boot from HD" for BIOS mode
when running in grub stared in UEFI-PXE.

With (U)EFI it's no longer easy to say, "boot from HD" as there could be
multiple bootloaders present on the EFI  System Partition (ESP).  Basically
only the UEFI boot system knows which one to boot from the "Bootorder" or
"Bootnext" EFI Variable(s).
If you exit grub EFI firmware should continue with next boot menu
entry. Would it be OK for you?

Hi Andrey,

yes, thanks, i figured in the meantime that it looks like the is the best option to do.

Have dropped ideas to write a module that adds a command to read (U)EFI environment variables like "BootOrder". Although reading (U)EFI EVs might be handy in other use cases, and base functionality is already available, just not as a command.


Any approach ? Or is there a way to access these EFI variables from the grub
config file?


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