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Course Outline
Course Outline
Introduction
- History of Unix/Linux, licenses, standards, working with free software, finding help, exploration, the Unix philosophy for government
Embedded Specifics
- Linux on the desktop compared to Linux in an embedded system, cross-/native toolchains, pre-built toolchains, build systems, C libraries,...
Eval Board
- How does it boot?, Observing the boot process
Yocto Introduction
- What is Yocto? Why use the YP? What is the YP?, Poky, BitBake, OE-Core, Metadata
The YP Autobuilder
- What is the YP Autobuilder?, Docker container (pull, launch container)
The YP Workflow
- Introduction
- Workflow, OE architecture
- Configuration (User, Metadata, Machine, Distribution Policy)
- Sources
- Build (Source fetching, Patching, Configure/Compile/Install, Pseudo, Examples of recipes, Output analysis/Packaging, Image Generation, SDK Generation)
- Customizing Images (Introduction, local.conf, IMAGE_FEATURES, custom .bb files, custom packagegroups)
BitBake
- History
- Syntax
- Debugging (debug level, find recipes/images/packagegroups, BitBake environment/tasks/logging, force build/specific task, cleansstate, invalidate stamp, devshell, dependency explorer, kill all BitBake instances, BitBake graphical wrapper)
Layers
- Introduction, bitbake-layers tool, yocto-layer tool
BSP
- Introduction, System Development Workflow, BSP Developer’s Guide (bsp-tool)
Kernel
- Introduction, System Development Workflow, Kernel Development Manual (defconfig, defconfig + configuration fragment, in-tree kmod, out-of-tree kmod, fdt,…)
Application Development Toolkit
- Introduction, Cross-Development Toolchain, Sysroot, ADT - Eclipse Yocto Plug-in, The QEMU Emulator, User Space Tools
- Installing ADT & Toolchains
- Using a Cross-Toolchain tarball (Introduction, Building/Installing the Cross-Toolchain tarball, Cross-Toolchain + Makefile/Autotools/Autotools lib + App, recipes)
- Using the ADT Installer (Introduction, Web Server, Build image + ADT installer, Configure + run ADT installer, add ADT installer to webserver, ADT installer on host)
Eclipse
- Introduction, Application Development Workflow
- Working with Eclipse (rootfs features, kernel + fdt, rootfs, install JDK, install Eclipse, configure Eclipse, install Yocto Plugin, Configure the Yocto Plugin, Create Autotooled Project, Configuring the Cross-Toolchains, Build the Project)
Debugging
- Introduction, gdb, gdb remote debugging, (gdb remote) Debugging with Eclipse, (remote) Run from Eclipse
Profiling/Tracing
- Introduction, perf, gprof, gcov, strace, ftrace, systemtap, oprofile, LTTng + Eclipse (data visualization)
Package Management
- Working with Packages, IPK, creating a package feed, installing a package with opkg on the target
Licensing
- Introduction, Add custom license, Open Source License Compliance
Devtool
- Introduction, devtool, real-world showcase meta-cfengine
Except where otherwise noted, content and this course outline are licensed under Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0).
Requirements
Prerequisites
- Basic familiarity with using a GNU/Linux system (e.g., Ubuntu) as an end user in user space, for government applications.
- Basic familiarity with a command line shell.
- Basic knowledge of user/kernel space programming with GNU/Linux.
- Intermediate C programming knowledge.
- It is strongly recommended that you have attended the Embedded GNU/Linux Systems Architecture (5 days) training, unless you are already familiar with the material covered in those sessions.
- You must have practical experience with Embedded GNU/Linux, including the kernel, userspace, root file system, and tools, to effectively follow the Yocto training.
- While not strictly required, it may be beneficial if you have attended the Embedded GNU/Linux Device Drivers and Kernel Internals (5 days) course. Alternatively, having knowledge of how to build the GNU/Linux kernel, in-tree and out-of-tree drivers, and the fdt from the kernel side will suffice for following the Yocto training.
28 Hours
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