1. Download and install toolchain https://occ.t-head.cn/community/download 2. Download and install qemu https://occ.t-head.cn/community/download 3. Modify defconfig 4. Configure and build NuttX $ make distclean $ ./tools/configure.sh smartl-c906:nsh $ make -j 5. Run the nuttx by downloading elf to RAM via HW debugger 6. TODO Support FPU Support ELF based file applications Support RISC-V User mode