Date: Sat, 16 Nov 2024 11:49:37 -0700 From: Alan Somers <asomers@freebsd.org> To: nenos <nenos@protonmail.com> Cc: "tuexen@freebsd.org" <tuexen@freebsd.org>, "thj@freebsd.org" <thj@freebsd.org>, "freebsd-riscv@freebsd.org" <freebsd-riscv@freebsd.org> Subject: Re: Help wanted improving Rust support for RISC-V Message-ID: <CAOtMX2jgsUWuC4i_0RRajRKCsRQSzSODxiqK6EA7EMkdwrO_Yg@mail.gmail.com> In-Reply-To: <RM0Rce4nVMermQhdVskqRd-vb-IVUGL1CYEKh5x3Rlvgk2PcroXRGSUe2ZjoCEvHHfqbPl-YJLu2FmNd-hqbhbFCyzvf-InncVRn9wwZxQs=@protonmail.com> References: <CAOtMX2iUfMktVkYrnc5ufQ460PpnqG2YP2DYmavAoDQz%2BOWk9g@mail.gmail.com> <fca8a77e-99b2-4615-a7d3-1dae4d2d3565@app.fastmail.com> <CAOtMX2g838YdPnfL2Jo31jHNTnoPC_RpxC6M2de5pvquO=cnCA@mail.gmail.com> <0408D5F2-C44C-4000-941C-244B3BBC6C2A@freebsd.org> <RM0Rce4nVMermQhdVskqRd-vb-IVUGL1CYEKh5x3Rlvgk2PcroXRGSUe2ZjoCEvHHfqbPl-YJLu2FmNd-hqbhbFCyzvf-InncVRn9wwZxQs=@protonmail.com>
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That's a very generous offer, and I'll take you up on it if I can't find an option that doesn't involve moving actual stuff around the planet. I'm trying QEMU right now, but it's painfully slow. And I've inquired with Scaleway too. -Alan On Sat, Nov 16, 2024 at 8:11=E2=80=AFAM nenos <nenos@protonmail.com> wrote: > > I can loan you my VisionFive 2 SBC for an extended period if that would h= elp. Just send me a good mailing address, and I can ship it on Monday. > > -Nate > > > -------- Original Message -------- > On 11/16/24 9:44 AM, <tuexen@freebsd.org> wrote: > > > > On 16. Nov 2024, at 15:26, Alan Somers <asomers@freebsd.org> wrote: > > > > > > > > > > > > On Sat, Nov 16, 2024, 2:21=E2=80=AFAM Tom Jones <thj@freebsd.org> wr= ote: > > > > > > > > > On Fri, Nov 15, 2024, at 23:47, Alan Somers wrote: > > >> I want to improve the state of Rust on FreeBSD in general, and RISC= -V > > >> in particular. My plan is: > > >> > > >> * Assemble a corpus of crates heavy on OS stuff (like Nix and Tokio= ) > > >> and ensure that their tests pass on Riscv FreeBSD. > > >> * Update libc's ABI to FreeBSD 12, finally eliminating the need for > > >> COMPAT_11 on riscv to run Rust programs. > > >> * Ensure that the corpus of crates still passes their tests. > > >> * Convince the libc maintainers to use the FreeBSD 12 ABI, for risc= v only. > > >> * After a full Rust release cycle (at least 6 weeks), and maybe two= , > > >> if there are no reports of breakage, and if Poudriere looks good, u= se > > >> that as justification to raise libc's ABI for all architectures. > > >> > > >> But in order to do any of this, I need access to riscv hardware. A > > >> virtual instance at Scaleway[^1][^2] would be ideal, but I don't kn= ow > > >> if FreeBSD can run there. Has anybody tried it? Failing that, I > > >> would need to either acquire some hardware myself, or borrow access= to > > >> somebody else's. Or, convince some other developer to do the work > > >> himself. But I won't be able to help very much if I don't have dir= ect > > >> access. > > >> > > >> Can anybody on this list help me get some access? > > > > > > I can=E2=80=99t help with scaleway, it sounds like an interesting ch= oice. > > Hi Alan, > > neither can I... Depending on the resources you are willing to spend, > > https://eu.mouser.com/ProductDetail/SiFive/HF105-001?qs=3DImq1NPwxi75J= Bw6ulD0quQ%3D%3D > > might be an option. > > > > Best regards > > Michael > > > > > > I have no idea of the current state of easily and affordable availab= le hardware. The visonfive 2 might be a good choice, there has been a lot o= f work in the year since I last tried it. > > > > > > https://adventurist.me/posts/00315 > > > > > > It=E2=80=99s probably still the easiest to get hold of if a little u= nderwhelming. > > > > > > You don=E2=80=99t mention qemu, is there some reason you can=E2=80= =99t start there? > > > > > > - Tom > > > > > > I haven't had good luck with using qemu-user-static to emulate armv7= . > > > > > >
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