1. 安装qemu
https://www.qemu.org/download/
2. 安装toolchain
https://releases.linaro.org/components/toolchain/binaries/latest-7/aarch64-linux-gnu/
3. todo
1. 安装qemu
https://www.qemu.org/download/
2. 安装toolchain
https://releases.linaro.org/components/toolchain/binaries/latest-7/aarch64-linux-gnu/
3. todo