Genimage

used to generate filesystem and disk images from a root tree. Red Hat Bugzilla

Whether you are maintaining a custom Buildroot distribution, rolling your own Yocto BSP, or simply need a reliable way to pack a bootloader, kernel, and rootfs into one file, Genimage is the right tool for the job. genimage

If you are a developer, "genimage" refers to a tool hosted on used to generate filesystem and disk images from a root tree

Genimage is not glamorous, but it solves a real problem in embedded development: . It moves the complexity of partition manipulation into a declarative configuration file, reducing errors and saving hours of debugging custom scripting. It moves the complexity of partition manipulation into

BR2_ROOTFS_POST_IMAGE_SCRIPT="board/raspberrypi3/genimage.sh" BR2_PACKAGE_HOST_GENIMAGE=y

: The tool is designed to be used in automated build processes. This means that once you have a configuration file, genimage can be run as part of a script to produce firmware images for your devices without manual intervention.

The core interaction with genimage is via a configuration file, typically written in simple, human-readable text (not XML or JSON, thankfully).