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Questions for the textbook

**Chris Simmonds, Mastering Embedded Linux Programming, Packt
Publishing 2015**

<Hubert.Hoegl@hs-augsburg.de>, April 2016

Chapter 1: Starting Out
=======================

Pages 1 to 12.

1. Why does your TV run Linux? (6 item points)

#. What hardware conditions must be given to run Linux?

#. What skills do you need to start a Linux project?

#. What are the main players?

#. Name the "four elements"

#. What do you know about Open-Source licenses?

#. Beagle Bone Black. Write down the main technical data.

#. What is Qemu? How can I use it?

#. For which purpose do you need the uml-utilities?


Chapter 2: Learning About Toolchains
====================================

Pages 13 to 39.

1. Which components are in the standard GNU toolchain?

#. Compare native and cross toolchains.

#. What are the capabilities of the target CPU, which are essential for
   the toolchain?

#. What reports the command ``gcc -dumpmachine``?

#. Which C libraries do you know?

#. Which alternatives do you know to get a toolchain?

#. Create a toolchain using crosstool-ng!

#. Follow the istructions in the "Anatomy of a toolchain" section.

#. How do you cross-compile a program?

#. How do you compile a program which uses the GNU autotools?



Chapter 3: All about bootloaders
================================

Pages 41 to 68.

1. Describe the three phases of booting.

#. Which information is passed from bootloader to kernel?

#. What is a "device tree"? 

#. From which technology are the device trees derived?

#. Device tree basics

   XXX add a device tree example here which should be explained (reg, phandles,
   interrupts, include files, compiling a DT)

#. Which bootloaders do you know? (which is the most widely used?)

#. Describe the steps needed to compile and install U-Boot.

.. Omitted: Porting U-Boot to a new board (p. 61)

.. Omitted: KConfig and U-Boot (p. 62)

#. Describe how to use U-Boot? Cover the following items:

   - Environment variables
   - Boot image format
   - Loading images from cards and network
   - Start the Linux kernel

#. How can you automated the boot process?

#. Which are the board specific U-Boot files?

#. How to build the Barebox bootloader?



Chapter 4: Porting and configuring the kernel
=============================================

Pages 69 to 94.