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Sep 19, 2024

Attendees:

• Michelle Martineau, The Linux Foundation
• Terje Bergstrom, NVIDIA
• Kumar Sankaran, Ventana
• Alexey Bataev, SiFive
• Jian Xiong, Alibaba
• David Weaver, Akeana
• Robin Randhawa, SiFive
• Brian Harrington, RedHat
• Simon Harvey, Imagination
• Barna Ibrahim, Rivos
• Gordan Markus, Cannonical
• Ming-yu Hung, Mediatek
• Ludovic Henry, Rivos
• Robin Randhawa, SiFiive
• Tim Ouyang, Andes

Agenda:

Language Runtimes Deep Dive led by Ludovic Henry

• Status Update: Java
  • Java 17, 21, 22, 23, and tip are available
  • Java 11 still doesn’t pass public CI yet
  • More and more vectorized intrinsics: base64, crc32, chacha20, adler32 
  • Better code lowering: rounding, reverse bytes, rotate left/right, unsigned comparisons, shift left/right, vector-scalar/vector-immediate bitwise logic, count leading/trailing zeros, popcount, casting
• LR_00_007: Distribute Java 11 + 17 + 21 in Adoptium
• LR_00_001: Improve support for Vector extension in OpenJDK
• LR_00_027: Implement aes encode/decode intrinsics - WIP
• LR_00_030: Implement Base64 intrinsics - Done
• Status Update: Go
  • Depends on availability of RVV 1.0 hardware on Scaleway
• LR_02_007: Accelerate crypto/sha256 and crypto/sha512 with hand-written assembly [RFP001] - Done
• LR_02_024: Use Bitmanip instruction in compiler where optimal [RFP001] - Done
• LR_02_005: Accelerate math/big with hand-written assembly [RFP001] - 95% Done
• LR_02_002: Support for Vector extension in Go Assembler [RFP001] - WIP
• LR_02_027: Support for Vector Crypto extensions in Go Assembler [RFP001] - WIP
• LR_02_0029: Add RISC-V boards to Go upstream CI
• Status Update: Python
  • pandas, ninja, numpy, scipy, MarkupSafe, optree, psutil, msgpack, cibuildwheel, auditwheel, cmake, PyYAML, pillow, maturin, lintrunner, tlparse, nh3, lxml, cffi, cryptography
  • Registry: https://gitlab.com/groups/riseproject/python/-/packages
  • Based on Ubuntu 22.04
  • Working with them to provide AlmaLinux 10 in RISC-V
• Distributing packages for RISC-V
• Dependency on AlmaLinux
• Status Update: Javascript
• No changes since last update

• Status Update: Rust
  • Bring Linux-RISC-V to tier1 platform
• Newly supported since last update
• LR_07_001: Gap Analysis - WIP

• Status Update: WebAssembly
  • WASM SIMD: VLS (128bits vectors)
  • WASM Flexible Vector: VLA, largely inspired by RVV/SVE
• Newly supported since last update
• LR_08_001: Support for WASM SIMD
• Work Prioritization
  • Java: https://wiki.riseproject.dev/display/HOME/LR_00%3A+Java
  • Python: https://wiki.riseproject.dev/display/HOME/LR_01%3A+Python
  • Go: https://wiki.riseproject.dev/display/HOME/LR_02%3A+Go
  • Javascript: https://wiki.riseproject.dev/display/HOME/LR_06%3A+Javascript
  • Rust: https://wiki.riseproject.dev/display/HOME/LR_07%3A+Rust
  • WASM: https://wiki.riseproject.dev/display/HOME/LR_08%3A+WebAssembly
• Wiki is up-to-date

• Please comment on mailing list for prioritization
• Anything not listed you’d like to see?
• Anything not as high on the priority list as you expected?

• Scaleway Board Farm
  • Adoptium/Java: 14
  • Go: 1 (waiting on RVV 1.0 hardware)
  • RockyLinux: 5
  • AlmaLinux: 1 (working with RVI for their own boards)
  • Rust: 2
  • WASM: 1
• 24 machines allocated:
• Eagerly waiting for RVV 1.0 hardware

• RFP011 - Python packaging
• Discussed in previous TSC; next steps?

Sep 5, 2024

Attendees:

• Michelle Martineau, The Linux Foundation

• Terje Bergstrom, NVIDIA

• Anup Patel, Ventana

• Alexey Bataev, SiFive

• Jian Xiong, Alibaba

• Mark Zhuang, Spacemt

• Paul Walmsley, SiFive

• Daniel Barboza, Ventana

• David Weaver, Akeana

• Robin Randhawa, SiFive

• Brian Harrington, RedHat

• Simon Harvey, Imagination

• Barna Ibrahim, Rivos

• Gotdan Markus, Cannonical

• Nathan Egge, Google

• Ming-yu Hung, Mediatek

• Zhu Yuan, Bytedance

• Tim Ouyang, Andes

Agenda:

Overall status

2024 projects - not yet sent for review

2024 projects - upstream process ongoing

2024 projects - upstream completed

Projects not sent yet for review:

• SE_01_018 - QEMU ACPI PPTT support for RISC-V
• Community project (Starfive)
• SE_02_004 - QEMU RVV performance enhancements (Vendor patches)
• RP005 RISE wiki page,  weekly status: github link
• Latest version from Max Chou: RFCv5
• SE_01_003 - QEMU WorldGuard support
• Latest version: v1
• SE_01_004 - QEMU IOPMP support
• Latest version:  v8
• SE_01_015 - QEMU RISC-V IOMMU support
• Latest version: v7
• SE_01_017 - QEMU ACPI SPCR support for RISC-V (no change)
• Latest version: v2
• Community project (Starfive)
• SE_01_021 - QEMU RVA23 profile support (no change)
• List of missing extensions: sig-qemu message
• Some of them already landed for review
• SE_01_022 - RISC-V Server SoC Reference Board (no change)
• New project
• Latest version: v2
• SE_01_005 - QEMU PCIe passthru on x86 hosts  (no change)
• Latest version:  v1
• SE_01_019 - QEMU ACPI SRAT/SLIT(NUMA) support for RISC-V
• Available in QEMU 9.0
• SE_01_020 - QEMU SMBIOS support for RISC-V
• Available in QEMU 9.0

Aug 22, 2024

Attendance

• Alexey Bataev, SiFive

...

• Objective
• Cross-build and test (in simulation) RISC-V ports of key open source software
• Running in Google Cloud
• Björn Töpel (Rivos) coordinating
• Brian “Redbeard” Harrington (Red Hat) doing much of the work
• Status

9 active projects

...

2

...

since last quarter

...

• Thousands of builds, and millions of tests per month
• ~100 toolchain bugs found via our fuzzer instances

...

• Erich Hanke, AMD
• Tomas Evensen, AMD
• Robin Randhawa, SiFive
• Terje Bergstrom, NVIDIA
• Anup Patel, Ventana
• Robin Randhawa, SiFive
• Sunil Vl, Ventana
• Daniel Barboza, Ventana
• Simon Harvey, Imagination
• Barna Ibrahim, Rivos
• Jeff Law, Ventana
• David Weaver, Akean
• Kumar Sankaran, Ventana
• Brian Harrington, RedHat
• Paul Walmsley, SiFive
• Nathan Egge, Google
• Tim Ouyang, Andes
• Ming-yu Hung, Mediatek
•  Jian Zhang, BOSC

Agenda:

• Elected: Debug and Profiling Technical Lead
• Firmware Deep Dive led by Sunil V L
• Proposal for Security Working Group Formation
• WG Opens 
• Future topics: WG Opens/challenges
• AIs from last week

Elected: Debug and Profiling Technical Lead

...

• 12 projects in 2024 1H
• Upstreaming complete projects
• EDK2_00_16 - Svpbmt support (2023 2H project)
• SBI_00_04 - Domain Context Switch Support
• SBI_00_03 - Native/hosted debug support
• COREBOOT_00_01 - coreboot for SiFive Unmatched
• Development complete, Upstreaming in progress
• EDK2_00_14 - DynamicTablesPkg support
• EDK2_00_18 - RISC-V QEMU Server Reference Platform
• EDK2_00_03 - FdtBusDxe support (Need to host under RISE gitlab)

• Upstreaming not started due to spec dependencies
  • CI support for RISC-V targets in place
  • Roadmap items identified (IOPMP, AIA, SmMTT, FF-A Like ABI etc)
  • IOPMP support in progress by Andes
  • Moving to RISE hosted gitlab
• EDK2_00_15 - StandaloneMmPkg RPMI MM support
• OPTEE_00_01 - OP-TEE support
• SBI_00_05 - OpenSBI RPMI MM Support
• SBI_00_02 - Firmware-first RAS handling Support
• EDK2_00_10 - UefiPayloadPkg For RISC-V
• Development in progress
• COREBOOT_00_02 - coreboot for StarFive VisionFive2

• 2024 2H projects under discussion
• EDK2_00_04 - Build Size Reduction
• EDK2_00_05 - Back Trace support
• EDK2_00_13 - libgcc and libatomic libs
• SCP like reference FW implementation (based on RPMI/MPXY spec)

• Challenges
• Spec dependencies.
• Less number of new project proposals.

...