[systemd-devel] Passing Kernel Params from systemd-boot for Secure Boot UKI

[Lennart Poettering]

On Di, 08.10.24 12:37, Mah, Yock Gen (yock.gen.mah at intel.com) wrote:

> Really appreciate! I tried to create an PE "addon" using below:
>
> echo "yockgen=b" > cmdline.txt
>
> objcopy --input binary --output efi-app-x86_64 cmdline.txt
> bootdm_b.addon.efi

This doesn't look right. You must insert the cmdline in the ".cmdline"
PE section, of course. As mentioned, addons follow the same structure
as UKIs after all.

We generally recommend using ukify for generating UKIs and PE addons.

The man page even has an example doing exactly what you need to do:

https://github.com/systemd/systemd/blob/main/man/ukify.xml#L674

Lennart

--
Lennart Poettering, Berlin