On Sun, Feb 22, 2026 at 07:09:38PM +0100, Alice Ryhl wrote: > On Tue, Feb 10, 2026 at 10:00 AM Mukesh Kumar Chaurasiya (IBM) > <[email protected]> wrote: > > > > From: Link Mauve <[email protected]> > > > > For now only Big Endian 32-bit PowerPC is supported, as that is the only > > hardware I have. This has been tested on the Nintendo Wii so far, but I > > plan on also using it on the GameCube, Wii U and Apple G4. > > > > These changes aren’t the only ones required to get the kernel to compile > > and link on PowerPC, libcore will also have to be changed to not use > > integer division to format u64, u128 and core::time::Duration, otherwise > > __udivdi3() and __umoddi3() will have to be added. I have tested this > > change by replacing the three implementations with unimplemented!() and > > it linked just fine. > > > > Signed-off-by: Link Mauve <[email protected]> > > Signed-off-by: Mukesh Kumar Chaurasiya (IBM) <[email protected]> > > > diff --git a/arch/powerpc/Makefile b/arch/powerpc/Makefile > > index a58b1029592c..9fd82c75dcbd 100644 > > --- a/arch/powerpc/Makefile > > +++ b/arch/powerpc/Makefile > > @@ -61,6 +61,8 @@ else > > KBUILD_LDFLAGS_MODULE += $(objtree)/arch/powerpc/lib/crtsavres.o > > endif > > > > +KBUILD_RUSTFLAGS += --target=powerpc-unknown-linux-gnu > > This needs to be a softfloat target.
Should we come back to describing the target like I did in my first patch[1] in scripts/generate_rust_target.rs, or should I bring that to Rust to create a powerpc-unknown-unknown-softfloat target upstream? Or is there a better third solution I’m not thinking of? > > Alice > [1] https://lore.kernel.org/rust-for-linux/[email protected]/ -- Link Mauve
