Hi, Chris
The UEFI network driver doesn't need to be a runtime driver. The typical PXE
boot process is as below: first, GRUB will use UEFI stack to download the
required files to boot at least a minimum OS kernel, then load it. The OS
kernel continues to use UEFI stack to download until it get all the files to
start a network stack. After that, OS will call ExitBootServices() service to
terminate the UEFI stack, then start its own network.
Best Regards,
Siyuan
From: Chris Cuthbert [mailto:nd6...@hotmail.com]
Sent: Friday, August 22, 2014 9:20 AM
To: Edk2 Devel
Subject: [edk2] UEFI PXE Boot Question
Hi All,
I am trying to PXE boot Linux kernel and I can get GRUB to load and run and get
to grub prompt. How is GRUB supposed to get the boot menu from the tftp server ?
If it is using UEFI network driver to talk to tftp server, does that mean the
UEFI network driver needs to be a UEFI runtime driver ?
Thanx,
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