Thoughts dereferenced from the scratchpad noise.

MSI PRO B850-P coreboot port: Phoenix openSIL AM5 IP block porting

Published at April 3, 2026 · Michał Żygowski · 14 min read

Continuing the MSI PRO B850-P coreboot port series, this post covers the porting of Phoenix AM5 specific code to openSIL. We describe the progress on NBIO, SMU, MPIO and GFX IP blocks, the chipset authentication breakthrough, SMM initialization challenges, and the current state of the platform including a successful OS boot....

Categories: firmware

MSI PRO B850-P coreboot port: PCIe and USB descriptors and Phoenix OpenSIL

Published at March 6, 2026 · Michał Żygowski · 17 min read

Continuing the journey of porting MSI PRO B850-P to coreboot. This post covers the port configuration phase: USB and PCIe MPIO descriptors derived from hardware topology discovery. It also describes the integration of Phoenix OpenSIL as a Proof of Concept and the challenges encountered compared to the Genoa and Turin platforms....

Categories: firmware

New adventure: Porting MSI PRO B850-P to coreboot

Published at February 9, 2026 · Michał Żygowski · 28 min read

The blog post describes the effort made to port a modern AMD desktop board to coreboot. The target is MSI PRO B850-P, supporting AMD AM5 socket processor family and Phoenix OpenSIL....

Categories: firmware

Dasharo TrustRoot Ephemeral Key Incident

Published at December 22, 2025 · Michał Kopeć · Maciej Pijanowski · 8 min read

This report details a release engineering incident where a Dasharo firmware update successfully performed End-of-Manufacturing (EOM) fusing on NovaCustom laptops but utilized an ephemeral testing key instead of the persistent production key. We provide a technical analysis of the situation and outline impact for affected end users....

Categories: firmware security

Windows HLK for Firmware Validation

Published at December 11, 2025 · Filip Gołaś · 23 min read

Learn about introducing a new tool to the arsenal of Dasharo testers. Windows Hardware Lab Kit - a framework able to perform over 3000 tests used to certify hardware and drivers as compatible with Windows...

Categories: miscellaneous

Gigabyte MZ33-AR1 Porting Update: BMC IPMI commands and Upstream

Published at December 5, 2025 · Michał Żygowski · 11 min read

The Gigabyte MZ33-AR1 porting effort is slowly coming to an end. In the previous blog post we already showed a booting Linux and Windows. Now we show the finishing touches before Dasharo release: BMC IPMI commands, HCL tooling updates for the incoming Phoenix platforms and the Turin upstream status....

Categories: firmware

Porting Dasharo to ASRock Rack SPC741D8/2L2T

Published at December 2, 2025 · Michał Kopeć · 12 min read

This is a post about the process of porting Dasharo to a modern Intel-based server platform. Join me to learn how a coreboot port is integrated into Dasharo and enhanced with Dasharo features....

Categories: firmware

Stop dreading NIS2: Unlock your firmware digital sovereignty with Zarhus.

Published at November 28, 2025 · Kamil Aronowski · 12 min read

The NIS2 Directive marks a new era of mandatory cyber risk management and accountability, with a focus on supply chain integrity. Today, we'll discover how Zarhus empowers you to master NIS2 compliance effortlessly, so you can take back control, secure your digital sovereignty, and focus on what truly matters - YOUR way....

Categories: firmware security

The Dasharo Path to HSI-3

Published at November 27, 2025 · Sergii Dmytruk · 20 min read

Dasharo on MeteorLake NovaCustom laptops has reached HSI-3. This took extending support for Intel BootGuard in coreboot and combining TPM event logs of coreboot and EDK II....

Categories: firmware security

Dasharo Tools Suite: the story about scalability and stability, roadmap

Published at November 24, 2025 · Daniil Klimuk · 33 min read

Check out latest DTS upatest and roadmap. I will start from intro to DTS and the feature that are coming to it: hardware attestation, Chain of Trust and Root of Trust provisioning and verification, new hardware support. Then the brand new DTS E2E testing methodology, that help us maintain and further develop DTS, will be introduced and explained in details....

Categories: app-dev firmware miscellaneous os-dev

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MSI PRO B850-P coreboot port: Phoenix openSIL AM5 IP block porting

MSI PRO B850-P coreboot port: PCIe and USB descriptors and Phoenix OpenSIL

New adventure: Porting MSI PRO B850-P to coreboot

Dasharo TrustRoot Ephemeral Key Incident

Windows HLK for Firmware Validation

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