We are pleased to announce the release of Trusted Firmware-A version 2.8 bundle of project deliverables. This includes Trusted Firmware-A version 2.8, Trusted Firmware-A Tests version 2.8, Hafnium version 2.8 and TF-A OpenCI Scripts/Jobs 2.8 Releases involving the tagging of multiple repositories. These went live on 21st November 2022. The repositories are now open again to take patches under review. On behalf of the TF-A project maintainers, I would like to thank all of the Trustedfirmware.org TF-A Project community for their efforts since the last release. Notable Features of the Version 2.8 Release across repositories are as follows:

TF-A Project Repository

* Architectural enablement (Arm v8.8 etc) * Added Branch Record Buffer Extension (FEAT_BRBE) * Added Pointer Authentication Extension helper support for QARMA3 (FEAT_PACQARMA3) * Partial support for trapping support for RNDR/RNDRRS (FEAT_RNG_TRAP) * Added Trace Buffer Extension (FEAT_TRBE) * Added SVE fall back if SME not available (FEAT_SME) * Support full SVE vector Length (FEAT_SVE) * Added support for DRTM (Dynamic Root of Trust Measurement ) * Hunter ELP CPU support added * Twenty Four (24) Errata Mitigations for Cortex-A710 , A510, X3, X2, A76, A77, A78C, Neoverse N1, N2, GIC-600 * Ethos-N Driver support for SMMU * Secure Payload Dispatcher added for ProvenCore RTOS * EL3 SPMC feature hardening * CCA Bootflow chain of trust support for AEM FVP * CCA RME development to support TF-RMM upstreaming

Hafnium Project Repository

* FF-A v1.1 EAC0 additions * Partition runtime model and CPU cycle allocation modes. * Interrupt handling and managed exit flows. * Memory sharing. * Framework notifications and indirect messaging. * Added FF-A console log ABI. * Added support for GICv3.1 extended INTID ranges. * Image footprint optimisation. * Improved SVE support and test coverage. * FF-A v1.0 ACS test suite integration in Open CI.

TF-A Tests Project Repository

* TF-A Tests support for 4 new platforms (N1SDP, RD-N2, RD-N2-Cfg1, RD-V1) * TF-A Tests CCA RME Realm Payload Testing * TF-A Tests FF-A v1.1 Secure interrupts Testing

Platform Support

* Three (3) new platforms added including Arm TC2 * Thirty (30) platforms updated * Initial support within TF-A OpenCI CI scripts repository for automating end-to-end boot tests (TF-A -> Linux shell prompt) on QEMU

Patch Statistics Across all Repositories

* Approx 1100 Patches merged since v2.7 June 2022 release

Please refer to the TF-A [1], Hafnium [2] and TF-A Tests [3] changelogs for the complete summary of changes from the previous release. TF-A [4], TF-A Test [5], Hafnium [6], TF-A OpenCI Scripts [7] and TF-A OpenCI Jobs [8] repositories are available along with the compatible TF-RMM repository [9] and documentation [10].

[1] https://trustedfirmware-a.readthedocs.io/en/v2.8/change-log.html#id1 [2] https://review.trustedfirmware.org/plugins/gitiles/hafnium/hafnium/+/HEAD/do... - v2_8https://review.trustedfirmware.org/plugins/gitiles/hafnium/hafnium/+/HEAD/docs/ChangeLog.md#v2_8 [3] https://trustedfirmware-a-tests.readthedocs.io/en/v2.8/change-log.html#versi... [4] https://git.trustedfirmware.org/TF-A/trusted-firmware-a.git/tag/?h=v2.8 [5] https://git.trustedfirmware.org/TF-A/tf-a-tests.git/tag/?h=v2.8 [6] https://git.trustedfirmware.org/hafnium/hafnium.git/tag/?h=v2.8 [7] https://git.trustedfirmware.org/ci/tf-a-ci-scripts.git/tag/?h=v2.8 [8] https://git.trustedfirmware.org/ci/tf-a-job-configs.git/tag/?h=v2.8 [9] https://git.trustedfirmware.org/TF-RMM/tf-rmm.git/tag/?h=tf-rmm-v0.2.0 [10] https://tf-rmm.readthedocs.io/en/tf-rmm-v0.2.0/