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Trusted Firmware-A v2.4 released with Secure EL2 Hafnium SPM and much more!

Matteo Carlini| Thursday, November 26, 2020|3 min read

Trusted Firmware-A v2.4 released with Secure EL2 Hafnium SPM and much more!

Trusted Firmware-A has just completed the official v2.4 release which involves tagging of three main repositories: TF-A, TF-A-Tests and, for the first time ever, Hafnium as reference implementation of a Secure Partition Manager!

This is a major step towards defragmentation and standardization in the Secure Firmware space, by providing partners a reference solution for the Secure EL2 virtualization extension, compliant with the Arm Firmware Framework for Armv8-A specification.

Hafnium, which has joined Trusted earlier this year (read the full press release here), serves as Secure Partition Manager for the S-EL2 extension, enabling:

The whole content of the release is described on the respective TF-A (1), TF-A-Tests (2) and Hafnium (3) change-logs, but here are some interesting highlights.

New Arm cores and Arm/Partners platforms support:

  1. TF-A v2.4 ChangeLog
  2. TF-A-Tests v2.4 ChangeLog
  3. Hafnium v2.4 ChangeLog

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