The GNU Embedded Toolchain for Arm is a ready-to-use, open source suite of tools for C, C++ and Assembly programming targeting Arm Cortex-M and Cortex-R family of processors. It includes the GNU Compiler (GCC) and is available free of charge directly from Arm for embedded software development on Windows, Linux and Mac OS X operating systems. Follow the links on this page to download the right version for your development environment. <<官网链接: https://developer.arm.com/tools-and-software/open-source-software/developer-tools/gnu-toolchain/gnu-rm/downloads>>

该编译器可用来编译RK3399对应的Linux系统的内核和u-boot，该编译器是托管在GitHub上的。 GitHub地址: https://github.com/friendlyarm/prebuilts.git 资源包的名字：prebuilts.rar 下载之后，在linux下使用unrar命令解压 linux系统操作步骤如下: wbyq@wbyq:~/work$ unrar x /prebuilts.rar wbyq@wbyq:~/work$ cd prebuilts/ wbyq@wbyq:~/work$ cd gcc-x64/ wbyq@wbyq:~/work$ cat toolchain-6.4-aarch64.tar.gz* | sudo tar xz -C / 如果没有unrar命令，直接下载一个即可(ubuntu系统)。 wbyq@wbyq:~/work$ sudo apt install unrar 我上传的资源是重新打包的，名称：FriendlyARM_64_ARMGCC.7z，windows下先解压，然后再放到linux下使用tar命令解压使用即可。

ARM GCC 内联汇编参考手册 - 中文版

gcc-arm-none-eabi-10-2020-q4-major-win32.exe