Regolith

A layer of unconsolidated rocky material covering bedrock.

Setup

Clone this repo and run ./bootstrap to install required packages to the system. After installing the build system dependencies, run the following:

mkdir -p ${HOME}/projects/yocto-regolith
cd ${HOME}/projects/yocto-regolith
repo init https://github.com/jdswensen/regolith.git
repo sync

This will initialize the build system and download the source recipes.

Building

cd ${HOME}/projects/yocto-regolith
source setenv
bitbake regolith-image

By default, Regolith builds for a qemuarm target. The target can be changed by modifying the MACHINE variable in the conf/local.conf file.

Build Times

Running the build takes a long time. Yocto is downloading and building the Linux kernel plus every library, application, or script specified by Regolith. Build times will vary by system configuration. Here are some benchmarks for estimated build times.