Thoughts dereferenced from the scratchpad noise.

Latest posts


GRUB mini–summit 2020

Published at November 2, 2020 · Kamila Banecka ·  5 min read

GRUB mini–summit 2020. This year we cannot miss this opportunity to meet again and face the new challenges of GRUB/GRUB2. So,dear reader, feel invited to look at GRUB with a magnifying glass....

Categories: firmware os-dev security

What features PCIe has?

Published at October 8, 2020 · Marek Kasiewicz ·  7 min read

Introductory blog post to PCIe features. In this article you can read what PCIe capability is and see examples of such capabilities....

Categories: firmware

TrenchBoot: Open Source DRTM. Multiboot2 support.

Published at September 7, 2020 · Krystian Hebel ·  11 min read

This month we will show that not only Linux kernel can be started by TrenchBoot. We also did some drastic changes to the bootloader data format, so if you try to redo some older posts in the future and they do not seem to work, this is probably the place to look for hints....

Categories: firmware security

3mdeb contribution 2020'Q2

Published at September 3, 2020 · Kamila Banecka ·  4 min read

The second post on 3mdeb contribution summary! The second quarter of 2020 has brought new merged patches. Check the samples of code that we successfully contributed and feel free to use them in your own projects....

Categories: miscellaneous

Booting coreboot on Intel Comet Lake S RVP8

Published at August 31, 2020 · Michał Żygowski ·  10 min read

This blog post shows the procedure of building coreboot for a Comet Lake S platform. Also it describes problems occurred when building and booting the image. As a bonus, few tips and tricks will be shown how to fix/workaround these kind of problems....

Categories: firmware security