[coreboot] Maintain boot order for multiple EFI based OS

Sibi.Rajasekaran at dell.com Sibi.Rajasekaran at dell.com
Wed Mar 22 14:20:26 CET 2017

Dell - Internal Use - Confidential


We are using the coreboot project with Intel fsp to boot the Intel Rangeley based Mohonpeak CPU. We have built the Tianocore EDK2 project and used it as the payload to bring UEFI services to this bootloader. With this payload, we are able to boot a EFI based OS successfully.

As a next step, we are looking at installing multiple EFI OS and maintaining boot order among the OS.
How is boot order maintained with UEFI payload?
Is it through EFI NVRAM variables? If so, does coreboot support NVRAM variables?

Can you please point us in the right direction.

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