The GD marketing materials say they support the standard RISCV tool chain. https://www.gigadevice.com/press-release/gigadevice-unveils-the-gd32v-series-with-ri

The GD marketing materials say they support the standard RISCV tool chain. https://www.gigadevice.com/press-release/gigadevice-unveils-the-gd32v-series-with-risc-v-core-in-a-brand-new-32bit-general-purpose-microcontroller/ https://www.gigadevice.com/press-release/gigadevice-unveils-...