TF-A, TF-RMM & Hafnium Roadmaps

Updated 48 Days AgoPublic

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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) 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
• TF-RMM:
  • SVE 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
  • SME support
  • FEAT_LPA2 support
  • 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