Getting started with OSDev on RISC-V

• riscv

  1 5 10.0 C

  Container image for RISC-V (by codewars)

  

Playing around with userspace RISC-V assembly in multiarch containers with QEMU user mode emulation

• marvelos

  2 0 10.0 C

  Discontinued Marvelous RISC-V Operating System, by donaldsebleung

Over the past few days, I've managed to implement a rudimentary RISC-V operating system kernel in C that does little more than print stuff to the serial console. Nevertheless, I did my best to structure the project to facilitate development in the mid- to long-term. The project template which I'll build upon going forward is released on GitHub as v0.0.1 of maRVelOS code-named "Meaty Skeleton", so if you're also interested in RISC-V and open hardware as a programmer, feel free to follow along!

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• riscv-from-scratch

  1 75 10.0

  The code for the RISC-V from scratch blog post series.

I would like to thank the authors of RISC-V from scratch and The Adventures of OS for their high-quality articles that go into great detail on how RISC-V works. Without their well-written articles, I wouldn't have known how to get started with kernel development on RISC-V. My initial project setup - the minimal C runtime crt0.s in assembly and the linker script riscv64-virt.lds - is based on the former, while my UART driver code is adapted from the latter and I intend to closely follow the latter going forward.

• osblog

  3 464 0.0 Rust

  The Adventures of OS

I would like to thank the authors of RISC-V from scratch and The Adventures of OS for their high-quality articles that go into great detail on how RISC-V works. Without their well-written articles, I wouldn't have known how to get started with kernel development on RISC-V. My initial project setup - the minimal C runtime crt0.s in assembly and the linker script riscv64-virt.lds - is based on the former, while my UART driver code is adapted from the latter and I intend to closely follow the latter going forward.

• linux

  93 44 0.0 C

  @superna9999's Linux kernel source fork for upstream development (by superna9999)

It's probably going to take me a long while before I manage to get anywhere near a borderline usable system, but hopefully I'll stick with it and learn more about the hardware from a programmer's perspective along the way. After all, the main takeaway of OSDev is the learning experience - for an out-of-the-box production grade general-purpose OS kernel, Linux is the answer ;-)

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