1

Open-source cross development tools

• Architecture overview. Overview of an embedded system and of the Linux kernel architecture.
• Cross development tool chain, gcc cross compiler, C libraries, glibc and uClibc, GNU debugger, GNU ELF tools.
• Embedded development tools, QEMU, BUILDROOT, BUSYBOX.

2

The universal Boot loader: uBoot

• uBoot project overview. A walk through the source code. Supported architectures.
• Basic functionalities. The uImage format for booting uBoot Images.
• Practice on a ARM-9 device with uBoot. Configuration, compilation and installation in a qemu sandbox for testing.
• The uBoot configuration options. uBoot commands and environment.
• Integration of new uBoot commands. Development of a standalone program using uBoot as BIOS.

3

Linux kernel

• Licenses implications on kernel and kernel modules development.
• Kernel development tools, quilt, GDB, GIT, LTT. Kernel configuration tool Kbuild.
• Kernel configuration and compilation. Module development and compilation.
• The Linux boot process. The schedulers, preemption and scheduling.
• The Linux driver framework and standard drivers.
• VFS Essentials callbacks, implementing a quick and dirty driver with open, read and write callbacks.

4

Root File system

• Bottom-up approach for the root file system creation.
• Adding users management with busybox.
• Application integration.
• Copying the root file system on a memory technology device.

5

Linux and Real-Time

• History and kernel evolution.
• Linux-RT a realtime evolution.
• Nano kernels and interrupt virtualisation.
• Xenomai applications development.
• Real-time Hypervisors.