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**WARNING:**
All dates are provisional and subject to change without notice. Items in Ongoing/Future section will be planned in detail and confirmed in due course.
**TF-RMMv01.0/v0.2.0 first releases (November 2022)**
* Reference implementation of the Arm Realm Management Monitor (RMM) [[ https://developer.arm.com/documentation/den0137/ | specification ]]
* Aligned against BETA revision of the specification
* Tested against TF-Av2.8
* All contributions accepted under DCO and BSD 3-Clause
**TF-Av2.8 release (November 2022)**
* Architecture extensions support:
** Added Pointer Authentication Extension helper support for QARMA3 (FEAT_PACQARMA3)
** Partial EL3 support for RNDR/RNDRRS (FEAT_RNG_TRAP)
** Added SVE fall back if SME not available (FEAT_SME)
** Support full SVE vector Length (FEAT_SVE)
** Added FEAT_BRBE and FEAT_TRBE under feature detection mechanism
* Added support for DRTM (Dynamic Root of Trust Measurement) Phase 1 (Standard services, Complete DMA protection)
* Various Errata Mitigations (Cortex-A710, A510, X3, X2, A76, A77, A78C, Neoverse N1, N2, GIC-600)
* Improved SVE support (as per SMCCCv1.3)
* Ethos-N Driver support for SMMU
* EL3 SPMC feature hardening
* FEAT_RME:
** Bootflow chain of trust support for AEM FVP
** Further developments to support TF-RMM upstreaming
** Tested interop against TF-RMM v0.2.0
* TF-A Tests support for 4 new platforms (N1SDP, RD-N2, RD-N2-Cfg1, RD-V1)
* TF-A Tests FEAT_RME Realm Payload Testing
* TF-A Tests FF-A v1.1 Secure interrupts Testing
* Hafnium SPM & FF-A enablement:
** FF-A v1.1 additions (Interrupt handling, Memory sharing, Framework notifications and indirect messaging)
** Added FF-A console log ABI, support for GICv3.1 extended INTID ranges
** Enhanced SVE by supporting up to the maximum vector length
** FF-A v1.0 ACS test suite integration in Open CI.
**Ongoing**
* MISRA scan (Eclair tool) integration into OpenCI
* Arm 2021 Arch. extensions (v8.8) completion: FEAT_HPMN0, FEAT_RNG_TRAP, TF-A-Tests for all features
* Arm 2022 Arch. extensions (v8.9) investigation
* Errata ABI spec support
* mbedTLS v3.0 upgrade
* PSA Crypto APIs support
* S-EL2 Hafnium/ SPM / FF-A:
** S-EL2 & EL3 SPM features alignment.
** SME NS regs save/restore
** VHE S-EL0 use-cases support
**Future**
* FWU Live Activation
* FW Handoff spec
* S-EL2 Hafnium/ SPM / FF-A:
** FF-A SMMU guidance
** FF-A Memory sharing on RME
** SPM + RME extension support
* Arm DRTM spec support Phase 2: Other SMCs, region-based DMA protection
* TF-RMM enablement:
** EAC spec alignment
** RAS & FWU review for 4 worlds
** SVE/SME enablement
** Device Assignment support
**PREVIOUS RELEASES**
**TF-A-v2.7 Release features**
* Architecture support:
** Armv9.2 Branch Record Buffer Extension (FEAT_BRBE) for Non-secure World support
** Armv8.7 Statistical Profiling Extension (FEAT_SPEV1P2) TF-A-Tests support
** Armv8.7 WFE/WFI instructions with Timeout (FEAT_WFxT), Increased precision of Reciprocal Estimate and Reciprocal Square Root Estimate (FEAT_RPRES) & Alternate Floating-Point (FEAT_AFP) TF-A-Tests support
* *Armv8.3 Extended Cache Index (FEAT_CCIDX) support
* Spectre Branch History Buffer (BHB) Mitigations
* Various Software workarounds for Errata affecting Cortex-A710, A510, A78, X2
* New Architectural Features Detection Mechanism (Experimental Feature)
* SMMU Granule Protection Checks (GPC) for Secure and Non-secure world transactions
* FF-A & SPM:
** Secure Partition Manager (SPM) operating at EL3 (Experimental Feature)
** Hafnium: Memory Tagging Extension (MTE) stack tagging support at S-EL2
** Hafnium FF-A implementation:
** FF-A v1.1 EAC0: Boot protocol, Setup and discovery, Notifications
** FF-A v1.1 Beta0: Interrupt handling improvements
** FF-A v1.0 compliance fixes
**TF-A-v2.6 Release features**
* Armv9 features support:
** Realm Management Extension (FEAT_RME): first prototype implementation (ENABLE_RME)
** Scalable Matrix Extension (FEAT_SME) enabled for Normal world use
** Trace Buffer Extension (FEAT_TRBE): enable access to trace buffer control registers from Normal world
** Embedded Trace Extension (FEAT_ETE, FEAT_ETEv1p1): enabled for Normal world use
* Armv8 features support:
** Activity Monitors Extension (FEAT_AMU): enable per-core AMU auxiliary counters
** Support for the HCRX_EL2 register (FEAT_HCX)
** Scalable Vector Extension (FEAT_SVE): enabled for the Secure world
** Self-hosted Trace Extensions (FEAT_TRF)
* Support for the Arm Firmware Update specification
* Hafnium SPM:
** Arm FF-A v1.1 notifications support
** Arm FF-A v1.1 interrupt handling (Hafnium para-virtualized interface)
** S-EL0 partitions support through VHE architecture extension in the SW
** Save/restore NW SVE live state on world switches
** SPs to use FP/SIMD while NW uses SVE/SIMD/FP on the same core
** Updated toolchain to LLVM/Clang 12
** Published new SPMC threat model
**TF-A-v2.5 Release features**
* TF-A Public Threat Model published
* Armv8.7: FEAT_MTE3, FEAT_PAN3
* Armv8.6: FEAT_AMUv1p1, FEAT_MTPMU
* Armv8.5: Speculation Barrier (SB) for non-Armv8.5 platforms starting from Armv8.0 (FEAT_SB)
* Helper functions for Random number generator registers (FEAT_RNG)
* Support for TRNG firmware interface service
* SiP service to configure Ethos-N NPU
* GPT Image Support aligned to Firmware update specification
* S-EL2 Hafnium/FF-A:
** PAuth & BTI support
** SMMUv3.2 S-EL2 driver for stage 2 translation
** FF-A Non-secure interrupt handling
** FF-A Power management support at boot time
** FF-A Direct message interfaces & Memory sharing interfaces
** Added SPMC support to Hafnium CI
** Save/restore of Normal world FP/NEON/SIMD state