Day 1

Introduction to Linux  

• History and open source
• Features
• Modular and monolithic vs micro
• Kernel design goals

Understanding the kernel

• Kernel structure  
• Kernel components and organization
• Modes of operation  
• User library different from kernel

Booting and kernel initialization  

• Booting Basics
• System Ups and Down under Linux
• Boot-loaders (Various target specific boot loaders)
• Understanding Linux start_kernel in brief

Linux Basic Common Set  

• File and directory related command  
• Using VI effectively [contrast w.r.t Word processor]
• Commands for filters, IO redirection and etc  
• Process related commands
• Miscellaneous Command [zip/tar/mount etc]  
• Shell scripts
  1. Simple handy utilities
  2. Major script techniques

• Compiling C codes

System calls  

• Understanding the Layer for Communication
• Basics
• Common system calls
• How is it implemented in Linux?  
• Using a system call directly in assembly
• Linux implemented methods  

Day 2

Introduction Embedded OS

• What is Embedded OS
• The cross development environment
• Various commercial OS
• Embedded Linux and other  
• Scalable Features: Linux Kernel  
• Customizing Linux kernel

Introduction to GNU toolchain  

• The gcc command  
• Size
• Nm
• Readelf
• Strace
• Ar
• Ranlib
• Objdump  
• Strings
• The make utility
• Gdb

Building your own kernel  

• Kernel source code
• Configuring kernel  
• Building the Image  
• Entering the image path to the loader's script    

Experimenting the fresh 2.4 kernel  
Applying patch for a kernel

• Configuring the Kdb with patch

Experimenting the 2.6 kernel

• Building the default kernel to startup a new 2.6 kernel

Setting up the host and target board

• Minicom utility
• Running existing kernel with the same
• Also testing on Hyper Channel

Day 3

Introduction to X-Scale architecture  

• The feature of board  
• The board memory map  
• The application support on the board  

Loading Boot loader  

• JTAG based loading
• Testing the board again

Configuring the BOOTP/TFTP

• TFTP bootloader  
• Flash bootloader  
• TFTP kernel
• Flash kernel
• TFTP file system
• Flash file system  
• Boot the code  

Installing GNU-X tool chain  

• GNU gcc compilers for C, C++  
• Setting up the path for the tools installed  
• Checking a simple program  
• Try all other commands as review on GNU tools   Size, nm, readelf,

Setting up the gdb for target borad  

• Download gdb 5.3  
• Install gdb
• Connect gdb for Xscale board  
• Using minicom and zModem  
• Download the program on board  
• Running gdb on PC and debugging on target

Compiling and configuring kernel  

• Using menuconfiguration  
• Making a bzImage
• Downloading Your Modified Kernel

Day 4

Linux Device Driver using X86

Introduction to Device Drivers:brief
Introduction to LKMS

• Introduction to Linux Loadable Kernel Modules
• Terminology
• History of Loadable Kernel Modules
• The Case For Loadable Kernel Modules
• What LKMs Can't Do
• What LKMs Are Used For
• Making Loadable Kernel Modules
• LKM Utilities
• How To Insert And Remove LKMs
• Unresolved Symbols
• About Module Parameters
• Writing Your Own Loadable Kernel Module

  Lab-session : Using X86 architecture
 After the concept's presentation trainee will work on

• Module Programming
• Parameters passing
• Stacked module

Introduction to Linux Device Drivers
Types of drivers (Other OS based discussion)
Character and Block Device Drivers

• Major and Minor numbers
• Dynamic Allocation of Major Numbers
• Registering your driver
• Removing a Driver from the system
• File Operations
• The file Structure
• Open, release, read, and write
• Copy to/from user
• A sample Device Driver: simple_char

Debugging Techniques

• Debugging by Printing
• Debugging by Querying
• Debuggers and Related Tools
   

Lab-session : Using X86 Architecture

• After the concept's presentation trainee will work on
• Write drivers programs and implement a test driver
• Check applications on the same
• Major Debugging Techniques
• Configuring KDB based patch when needed