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xen0n@gentoo.org (WANG Xuerui)
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On 17/04/2022 18.33, WANG Xuerui wrote:
Hi everyone,
A lot have happened since my last progress update regarding the Gentoo/LoongArch port in January; among other things, I'm a Gentoo developer now, so I got to edit the project page and announce it myself. :-)
The project page is at https://wiki.gentoo.org/wiki/Project:LoongArch, where I have collected some useful information for LoongArch development.
## Trying out
LoongArch hardware is probably hard to get outside of China, but usable QEMU linux-user emulation is available via patched qemu package in the loongson-overlay [1], so you can set up binfmt_misc and try out the stages just like with any other chroot. Freshly built stages can be downloaded from several mirrors (all hosted in China though), you can find the links on the project page.
## State of various fundamental packages
Both binutils and gcc have the LoongArch support upstreamed, although binutils still needs some patching for now, for spec conformance. So we're basically only waiting for linux and glibc. The Linux port is likely 5.19 material [2], and glibc should follow that; this means we're likely starting with Linux 5.19, binutils 2.38 (patched), gcc 12.1.0 and glibc 2.36.
## Roadmap update
Now that I have verified everything with stage builds and installation on real Loongson 3A5000 hardware, I plan to first upstream the profiles and toolchain bits to ::gentoo. After that, I'll handle the keywording and porting/testing of packages for loong, just like any other arch; upstreaming the various patches one by one, while doing all these.
As with all other arches, the project would need an email alias; because it's ARCH=loong, the alias should look like loong@g.o. An IRC channel would be nice
but I doubt how many people would converse there -- we could probably do without one for now.
I'll happily help if you are interested in this niche architecture; feel free to reach out via mail or IRC.
Well, I will gladly help with keywording and testing of packages if I
could have access to some devbox (as with all arch teams I'm on). I know
this is a *very* future talk, but just know that if we have a devbox
Gentoo developers can ssh into, quite fastly we join to help :)
For now let me just send you good luck - maintaining arches is quite fun
and fulfilling :)
[1]: https://github.com/xen0n/loongson-overlay
[2]: https://www.spinics.net/lists/linux-arch/msg76936.html
--
WANG Xuerui
xen0n@gentoo.org
Gentoo Linux developer
PGP: 7C52 19E3 26A0 7311 3EA3 8806 C01F 7214 BC93 1414
--
Arthur Zamarin
arthurzam@gentoo.org
Gentoo Linux developer (Python, GURU, Arch Teams)
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