NVRAM Testing

Build Requirements

sudo dnf install gcab guestfs-tools make qemu-system-x86-core edk2-ovmf
sudo dnf copr enable rhughes/fwupd
sudo dnf update fwupd

Adding Models

• Create a new directory, with the format Vendor - Model.
• Dump the UEFI variables using make dump.
• Extract them using make -C ../ extract
• Build some custom_*.builder.xml with the certs you want to include in the NVRAM
• Build a custom_VARS.fd by running make custom_VARS.fd
• Run the emulator using make run
• Commit the raw only, for instance git add *.builder.xml PK* KEK* db*

DBX

You can get an old DBX from the LVFS using:

wget https://fwupd.org/downloads/093e6913dfecefbdaa9374a2e1caee7bf7e74c7eda847624e456e344884ba5f6-DBXUpdate-20241101-x64.cab
gcab -x *DBXUpdate-20241101-x64.cab