Ludovic Courtès writes: > Hi, > > Zheng Junjie skribis: > >> Leo Famulari writes: >> >>> Hi, thanks for these patches! >>> >>> On Tue, Mar 19, 2024 at 11:15:53PM +0800, Zheng Junjie wrote: >>>> hello!. this patchset make `guix system vm --target=riscv64-linux-gnu' work. >>>> and `guix system vm --system=riscv64-linux` also work, But there is a problem >>>> that the qemu running with --system=riscv64-linux is also riscv architecture, >>>> now you have to manually modify to use native qemu or the guix of qemu-system >>>> on qemu-user is too slow. and must enable qemu-binfmt. >>> >>> So, what should we do about the problem? What's the ideal solution for >>> Guix? I don't have any experience with this subject matter. >> >> I've come up with two ideas: >> >> 1. Force the current system's qemu to be used, on x86_64 and -s >> riscv64-linux, use x86_64's qemu. >> 2. add an environment variable, GUIX_QEMU, to allow the internal qemu >> execution to be replaced >> >> There may be other solutions, but I can't think of them yet. > > Thing is, ‘--system=X’ is supposed to be giving the exact same result as > if you were building natively on X. Thus, it’s not surprising that > ‘guix system vm --system=X’ gives on a QEMU binary built for X. > > Now, it’s admittedly not very useful in this case. I believe the > attached patch implements #1 (I wasn’t able to test it yet because too > many things had to be built). How does it sound? it works, and the following patch is required.