Yocto Open Embedded

Embedded Linux section

• GNU/Linux reminders

• GPL/LGPL licenses

• Introducing the cross-compilation

• Cross-compiling the Linux kernel

• BusyBox

• Using a “build system”

• Pros and cons

• Main tools (Buildroot, Yocto/OpenEmbedded, etc.)

Yocto section

• History (OpenEmbedded → Yocto)

• Main concepts : BitBake, metadata, layers, inheritance, etc.

• Creating the core-image-minimal distribution for QEMU/ARM

• Generated directories (deploy and work)

• Tuning and optimisation with local.conf and bblayers.conf

• Creating a test layer *

• Creating a recipe using a simple “Makefile” *

• Using Autotools / CMake classes *

• Package management (OPKG) *

• Static and dynamic dependencies *

• Layer priority, extending recipes (.bbappend) *

• Applying patches *

• Using configuration fragments *

• Device tree integration *

• Kernel recipes and modules (using the “module” class) *

• Custom images and the “packagegroup” class *

• Testing a custom image with NFS-Root *

• Creating a custom “distro” *

• Building and using the cross-toolchain (SDK/eSDK)

• Remote debugging with gdb/gdbserver *

• Using “Devtool” *

• Using external sources *

• Using CI (“ptest” and “testimage”) *