RISC-V International
This page gives an overview of upstream projects. If you miss information or find mistakes, please edit.
GHC
The Glasgow Haskell Compiler (GHC) is an open-source compiler for the programming language Haskell.
RISC-V status
GHC does not support RISC-V, but there are people working on it. The porting attempts are tracked here:
Go
Go is a programming language designed for simplicity, reliability and efficiency.
RISC-V status
RISC-V support has been mainlined with Go 1.14.
GDB
GDB is the GNU Project debugger.
RISC-V maintainers
- Andrew Burgess (Embecosm)
- Palmer Dabbelt (Google)
Releases
GDB major releases are approximately annually. There are typically one or two minor releases each year. This is the typical schedule:
- major release branch/pre-release approximately 1 month before release
- first minor release ("re-spin") approximately 3 months after major release
At the time of writing the most recent release was 10.1, released on 2020-10-24. Dates for branching (and hence release) of GDB 11 have yet to be announced.
RISC-V status
Debugging works on top of PTRACE syscalls. HW-Breakpoint or HW-Watchpoint support is missing.
Glibc
Glibc is the GNU C library.
RISC-V maintainers
- Palmer Dabbelt (Google)
- Andrew Waterman (SiFive)
- DJ Delorie (Red Hat)
- Darius Rad(Bluespec)
Releases
Rule of thumb: Glibc releases twice per year (February and August).
Previous releases:
- glibc 2.32 (2020-08-05)
- glibc 2.33 (2021-02-01)
- glibc 2.34 (2021-08-01)
RISC-V status
RV32 and RV64 are supported. Still, there is optimization and completeness potential.
LLVM
The LLVM Project is a collection of modular and reusable compiler and toolchain technologies.
RISC-V maintainer
- Alex Bradbury (lowRISC)
LLVM RISC-V meetings
- Schedule: biweekly, Thursday 8 am (PST), since Sept 2019
- Organized by Alex Bradbury (lowRISC) and Ana Pazos (Qualcomm)
- Public announcement: https://lists.llvm.org/pipermail/llvm-dev/2021-February/148345.html
Releases
- LLVM 12 schedule
- LLVM 12.0.0 RC1 (branching) (2021-01-26)
- LLVM 12.0.0 RC2 (2021-02-23)
- LLVM 12.0.0 final (2021-03-02)
The upstream release page can be found here.
RISC-V status
RV32G and RV64G are mostly implemented. However, there is still some optimization potential.
Newlib
Newlib is a C standard library implementation intended for use on embedded systems.
RISC-V maintainer
- Kito Cheng (SiFive)
Releases
Rule of thumb: Newlib releases once per year.
Last releases:
- Newlib 3.3.0 (2020-01-22)
- Newlib 4.0.0 (2020-11-17)
- Newlib 4.1.0 (2020-12-18)
RISC-V status
RV32 and RV64 are supported. Still, there is optimization and completeness potential.
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