Re: [PATCH] riscv: Fix build against binutils 2.38

Heinrich Schuchardt
2022-10-02T01:52:10Z

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

Best regards

Heinrich