ASUS KGPE-D16, KCMA-D8 and KFSN4-DRE re-added to Libreboot

Leah Rowe

16 July 2023

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Article published by: Leah Rowe

Date of publication: 16 July 2023


Libreboot 20211122 was the last release to officially support these boards: ASUS KFSN4-DRE, KCMA-D8 and KGPE-D16; they were removed much later, in subsequent releases.

I’m pleased to announce that they have, today, been re-added to lbmk.git. This is the automated build system that builds Libreboot ROM images, and Libreboot releases, ready for installation.

These boards are available now, if you’re willing to build Libreboot from source; otherwise, you will find them in the next regular release of Libreboot.

It was implemented with this patch:

Differences now, versus Libreboot 20211122

The following changes have been made, relative to Libreboot 20211122:

The PIKE2008 fix from Libreboot 20211122 was retained, and it is included in today’s change. This inserts an empty option ROM in CBFS, without which SeaBIOS would hang; the empty option ROM prevents SeaBIOS from loading the real one.

Dasharo firmware

Libreboot does not yet integrate Dasharo.

Dasharo has support for ASUS KGPE-D16 on a much newer version of coreboot, where upstream coreboot had deleted KFSN4-DRE/KCMA-D8/KGPE-D16 support just after the 4.11 release; however, Dasharo only supports KGPE-D16 (out of these boards).

I intend to study code differences between D8/D16 in time, and port those to Dasharo so that it can have a KCMA-D8 port. I then wish to use this in Libreboot. I could use Dasharo now, for D16, regardless. For now, the main priority is to have support for these boards again in Libreboot.

The previous news announcement said that I would only add these boards after doing that, but I felt this work is worthy enough for entry in the main branch of Libreboot. Any issues that it has will be similar to what was present in the Libreboot 20211122 release (Dasharo made a lot of improvements, especially to raminit).

I would like it if people can provide testing for all of these boards, in today’s Libreboot’s revisions. Learn here how to become a board tester for the Libreboot project.

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