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kth5/sophgo_pioneer_fw_building.md

Last active January 9, 2024 12:53
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Sopho 2042 / Milk-V Pioneer firmware build intructions
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sophgo_pioneer_fw_building.md

DRAFT status

This is very much a draft still as I go along. Everything in here is subhect to change heavily, could be wrong and your mileage may vary greatly.

Everything here assumes native building on Arch POWER.

Prerequisites

This gets a compatible GCC 13.2.1+patches & Binutils 2.41+patches along with newlib 4.1.0.

pacman -Sy base-devel riscv64-unknown-elf-newlib

ZSBL Build with recent GCC+Binutils

git clone https://github.com/milkv-pioneer/zsbl
KCFLAGS="-march=rv64gc_zicsr_zifencei -pipe" KAFLAGS="-march=rv64gc_zicsr_zifencei" make

Generated images are in the top level directory.

OpenSBI build

git clone https://github.com/milkv-pioneer/opensbi
make PLATFORM=generic -j2

Generated firmware is located in build/platform/generic/firmware/.

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