点链接下载龙芯vscode rpm包:
http://ftp.loongnix.org/os/loongnix/1.0/os/Packages/

sudo apt install rpm

sudo rpm -ivh vscode-1.35-2.fc21.loongson.mips64el.rpm

sudo apt-get install alien

sudo alien vscode-1.35-2.fc21.loongson.mips64el.rpm

sudo dpkg -i vscode_1.35-3_mips64el.deb

参考资料：
https://blog.csdn.net/junxuezheng/article/details/102458845
https://blog.csdn.net/digitalkee/article/details/109965930