Hi Siyuan,
I can get to Grub prompt but I don't see it trying to load any more files, like
the boot menu. Does GRUB V2.02 support PXE boot by default or does it need some
configuration option ?How does Grub know that it is in network boot mode and
not booting from some disk ?How does it know the IP address of TFTP server
?Thanx,Narinder Dhillon
From: siyuan...@intel.com
To: edk2-devel@lists.sourceforge.net; nd6...@hotmail.com
Subject: RE: [edk2] UEFI PXE Boot Question
Date: Fri, 22 Aug 2014 02:54:03 +0000
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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