零门槛上手的RISC-V项目：蜂鸟e203(附RTL-Hierarchy欣赏小技巧)chipcamp@chipcamp:~/src/riscv$ cat /etc/os-release ##ubuntu22系统@十年旧机器。 PRETTY_NAME="Ubuntu 22.04 LTS" NAME="Ubuntu" VERSION_ID="22.04" VERSION ="22.04 (Jammy Jellyfish)" VERSION_CODENAME=jammy ID=ubuntu ID_LIKE=debian HOME_URL="https://www.ubuntu.com/" SU