[PATCH] riscv: Fix build against binutils 2.38

[Tom Rini]

On Sun, Oct 02, 2022 at 03:52:00AM +0200, Heinrich Schuchardt wrote:
> 
> 
> On 10/2/22 01:57, Tom Rini wrote:
> > > > Any thoughts or comments ?
> > > In our Docker container command
> > > 
> > > tools/buildman/buildman -o build -w -E -W  -e --board qemu-riscv32_spl
> > > 
> > > leads to build/toolchain with content
> > > 
> > > gcc /opt/gcc-11.1.0-nolibc/riscv64-linux/bin/riscv64-linux-gcc
> > > path /opt/gcc-11.1.0-nolibc/riscv64-linux/bin
> > > cross riscv64-linux-
> > > arch riscv64
> > > 
> > > When compiling qemu-riscv32_defconfig with Alexandre's patch and
> > > 
> > >     export
> > > CROSS_COMPILE=/opt/gcc-11.1.0-nolibc/riscv64-linux/bin/riscv64-linux-
> > > 
> > > I see undefined reference to `__ashldi3'.
> > Another reason to port the generic *di3 option from modern Linux kernel.
> 
> Why should we use a 64bit toolchain for 32bit RISC-V when a 32bit toolchain
> is available?
> 
> Fixing the Docker container and buildman seems to be the logical way
> forward.
> 
> Cf.
> https://source.denx.de/u-boot/custodians/u-boot-efi/-/commits/riscv
> https://source.denx.de/u-boot/custodians/u-boot-efi/-/pipelines/13657

Because it's also yet another example of the problems we have because we
haven't ported that functionality back, which improves on the state of
what's in our tree today wrt "libgcc".

-- 
Tom
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