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Course Outline
1. Fundamentals of the Linux Kernel
- The Embedded Linux ecosystem
- Internal kernel architecture
- Distinguishing between user space and kernel space
- Core responsibilities of the kernel
- The kernel development lifecycle
- Survey of supported embedded platforms
2. Development Environment Configuration
- Setting up the development workstation
- Principles of cross-compilation
- Deployment of essential development tools
- Initializing the BeagleBone Black development board
- Configuring the serial console
- Initiating the target device boot process
3. Kernel Source Acquisition and Analysis
- Navigating the Linux kernel source tree
- Differences between stable and long-term support branches
- Retrieving kernel source code
- Analyzing the source code hierarchy
- Utilizing kernel documentation
- Version control for kernel releases
4. Kernel Configuration, Compilation, and Deployment
- Customizing the kernel via menuconfig
- Feature selection and optimization
- Cross-compilation workflows
- Generating kernel images
- Integrating kernel modules
- Bootloader mechanics
- Launching a customized kernel instance
5. Device Tree Architecture
- The role and purpose of the Device Tree
- Device Tree Source (DTS) syntax and structure
- Device Tree Blob (DTB) compilation
- Concepts in hardware description
- Modifying Device Tree configurations
- Building and deploying Device Trees to hardware
6. Linux Kernel Modules
- Internal design of kernel modules
- Compiling loadable kernel modules
- Module loading and unloading procedures
- Parameterization of modules
- Handling module dependencies
- Interaction mechanisms with kernel modules
- Techniques for module-level debugging
7. Advanced Kernel Debugging
- Kernel logging via printk()
- Interpreting dmesg output
- Implementing dynamic debugging
- Analyzing kernel panics
- Diagnosing Oops errors
- Debugging sessions using GDB
- Essential performance tracing utilities
8. Character Device Driver Development
- The Linux device driver framework
- Implementation of character devices
- Driver registration processes
- Defining file operations
- Handling read and write requests
- Utilizing the IOCTL interface
- Memory management within drivers
- Cleanup procedures for drivers
9. Driver Integration and Hardware Interaction
- Platform device and driver models
- GPIO programming techniques
- Managing hardware interrupts
- Timer and deferred work queues
- Direct access to hardware registers
- Handling memory-mapped I/O
10. Source Control via Git
- Core Git concepts and usage
- Versioning kernel source code
- Branching strategies and merge workflows
- Generating compliant patches
- Code review procedures
- Collaborative kernel development practices
11. Practical Kernel Engineering Labs
- Custom kernel configuration exercises
- Compilation and deployment of custom kernels
- Development of a simple kernel module
- Creation of a foundational character device driver
- Adjusting Device Tree definitions
- Troubleshooting kernel issues on the BeagleBone Black
12. Industry Best Practices and Conclusion
- Adhering to kernel coding standards
- Strategies for writing maintainable drivers
- Avoiding common development errors
- Locating relevant kernel documentation
- Contributing to open-source kernel projects
- Comprehensive review of core concepts
- Q&A session
- Pathways for advanced Linux kernel development
Requirements
Fundamental proficiency in operating a GNU/Linux environment
14 Hours
Testimonials (2)
The knowledge of the trainer. He was able to answer all of my questions, even questions about our platform. He also continued to help until we all understood the material.
James O'Donnell - Tennant Company
Course - Embedded Linux Kernel and Driver Development
I liked the hands-on nature of it.
