Top "Uefi" questions

The Unified Extensible Firmware Interface (UEFI) is a specification that defines a software interface between an operating system and platform firmware.

What is the difference between FS0 and BLK0 in UEFI shell mappings?

I think FS stands for filesystem, but I don't know what BLK stands for. Not only that, but what are …

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Running an EFI application automatically on boot

I can build and manually execute an EFI application in a UEFI environment. But, I'd like to have my application …

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Adding UEFI firmware boot entry using bcdedit

How to add a new UEFI firmware boot menu entry(in NVRAM) using bcdedit. For e.g. I tried the …

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What sort of things are UEFI "applications" actually used for?

I'm interested in PC firmware programming, and am just studying the UEFI spec. To my surprise, it seems like a …

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No FS0 in EFI Shell

I want to try programming for EFI so I created a VM using virtualbox, checked "enable efi" option and left …

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Writing an OS with UEFI

I haven't been coding much lately due to school but I've decided I want to start working on OS development …

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Windows equivalent to efibootmgr?

Windows keeps overriding the UEFI boot order even if I change it with efibootmgr from Ubuntu. However BootNext option is …

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