Buildroot Directory Structure
The Buildroot SDK is located in the Firefly_Linux_SDK directory, and its directory structure is as follows:
buildroot/
├── arch # Construction and configuration files of CPU architecture
├── board # Documents related to specific boards
├── boot # Construction and configuration files of Bootloaders
├── build
├── CHANGES # Buildroot modification log
├── Config.in
├── Config.in.legacy
├── configs # Buildroot configuration file of the specific board
├── COPYING
├── DEVELOPERS
├── dl # Downloaded programs, source code compressed packages, patches, etc.
├── docs # Documentation
├── fs # Construction and configuration files of various filesystems
├── linux # Construction and configuration files of Linux
├── Makefile
├── Makefile.legacy
├── output # Compile output directory
├── package # Construction and configuration files of all packages
├── README # Simple instructions for Buildroot
├── support # Scripts and configuration files that provide functional support for Bulidroot
├── system # Construction and configuration files of making root filesystem
├── toolchain # Construction and configuration files of cross-compilation toolchain
└── utils # Utilities