Bare Metal Programming on a RISC-V SBC (Single-Board Computer) sounds difficult. Thankfully we can get help from the OpenSBI Supervisor Binary Interface! (A little like BIOS, but for RISC-V)
In this article, we boot NuttX on Star64 JH7110 RISC-V SBC (and VisionFive2) to experiment with OpenSBI: (1) Print to the Serial Console (2) Set a System Timer (3) Query the RISC-V CPUs (4) Fetch the System Information (5) And Shutdown / Reboot our SBC Check out the article: https://lupyuen.codeberg.page/articles/sbi.html Lup
