下载解压到/usr/share下

Arm GNU Toolchain | Arm GNU Toolchain Downloads – Arm Developer

创建软连接

sudo ln -s /usr/share/gcc-arm-11.2-2022.02-x86_64-arm-none-eabi/bin/arm-none-eabi-gcc /usr/bin/arm-none-eabi-gcc 
sudo ln -s /usr/share/gcc-arm-11.2-2022.02-x86_64-arm-none-eabi/bin/arm-none-eabi-g++ /usr/bin/arm-none-eabi-g++
sudo ln -s /usr/share/gcc-arm-11.2-2022.02-x86_64-arm-none-eabi/bin/arm-none-eabi-gdb /usr/bin/arm-none-eabi-gdb
sudo ln -s /usr/share/gcc-arm-11.2-2022.02-x86_64-arm-none-eabi/bin/arm-none-eabi-size /usr/bin/arm-none-eabi-size
sudo ln -s /usr/share/gcc-arm-11.2-2022.02-x86_64-arm-none-eabi/bin/arm-none-eabi-objcopy /usr/bin/arm-none-eabi-objcopy