[bootlin/training-materials updates] master: Update online embedded Linux agenda (86685851)
Michael Opdenacker
michael.opdenacker at bootlin.com
Wed Jun 10 18:33:33 CEST 2020
Repository : https://github.com/bootlin/training-materials
On branch : master
Link : https://github.com/bootlin/training-materials/commit/8668585142ec6e896aa483efcb803e667ffb7f54
>---------------------------------------------------------------
commit 8668585142ec6e896aa483efcb803e667ffb7f54
Author: Michael Opdenacker <michael.opdenacker at bootlin.com>
Date: Wed Jun 10 13:53:45 2020 +0200
Update online embedded Linux agenda
Signed-off-by: Michael Opdenacker <michael.opdenacker at bootlin.com>
>---------------------------------------------------------------
8668585142ec6e896aa483efcb803e667ffb7f54
agenda/embedded-linux-online-agenda.tex | 313 +++++++---
agenda/qemu-logo.svg | 1027 +++++++++++++++++++++++++++++++
2 files changed, 1255 insertions(+), 85 deletions(-)
diff --git a/agenda/embedded-linux-online-agenda.tex b/agenda/embedded-linux-online-agenda.tex
index 2367f8ae..cd030c2f 100644
--- a/agenda/embedded-linux-online-agenda.tex
+++ b/agenda/embedded-linux-online-agenda.tex
@@ -43,8 +43,10 @@ On-line seminar
Embedded system development tools \par
Embedded application development and debugging \par
Implementing real-time requirements in embedded Linux systems \par
- Practical demos with the ARM based SAMA5D3 Xplained board from
- Microchip \\
+ Optional practical labs proposed on an virtual ARM board
+ emulated by QEMU (to be done between each session),
+ followed by corresponding practical demos on the ARM based SAMA5D3
+ Xplained board from Microchip \\
\hline
{\bf Materials} &
Check that the course contents correspond to your needs:
@@ -52,7 +54,8 @@ On-line seminar
\hline
{\bf Duration} & {\bf Height } half days - 32 hours (4 hours per half day).
- \newline 75\% of lectures, 25\% of practical demos. \\
+ \newline 75\% of lectures, 25\% of practical demos, plus optional
+ practical labs on QEMU between sessions. \\
\hline
{\bf Trainer} & One of the engineers listed on:
@@ -81,24 +84,42 @@ On-line seminar
{\bf Required equipment} &
\begin{itemize}
\item Computer with the operating system of your choice, with the
- Google Chrome or Chromium browser for videoconferencing.
+ Google Chrome or Chromium browser for videoconferencing
\item Webcam and microphone (preferably from an audio headset)
\item High speed access to the Internet
+ \item For people interested in our optional practical labs,
+ an installation of VirtualBox and about 30 GB of free
+ disk space.
\end{itemize}\\
\hline
{\bf Materials} & Electronic copies of presentations,
- demo instructions and data.\\
+ lab and demo instructions and data.\\
\hline
\end{tabularx}}
\normalsize
\feagendatwocolumn
-{Hardware}
+{Emulated hardware}
{
- Using the Microchip SAMA5D3 Xplained board in all practical
- demos, with a SAMA5D36 (Cortex A5) CPU from Microchip, which features:
+ Optional labs (between sessions) proposed on the QEMU emulated
+ ARM Vexpress A9 board.
+}
+{}
+{
+ \begin{center}
+ \includegraphics[width=5cm]{agenda/qemu-logo.pdf}
+ \end{center}
+ \scriptsize Image credits (Wikipedia): \url{https://frama.link/mW71eosa}
+}
+
+\feagendatwocolumn
+{Real hardware in practical demos}
+{
+ Using the Microchip SAMA5D3 Xplained board (Cortex A5 from
+ Microchip) in all practical demos performed by the trainer,
+ used as solutions for the above labs:
\begin{itemize}
\item USB powered
@@ -134,7 +155,7 @@ On-line seminar
\end{itemize}
{\em The rest of the course will study each of these components in detail.}
}
-\\
+
\feagendatwocolumn
{Lecture - Embedded Linux development environment}
{
@@ -155,8 +176,10 @@ On-line seminar
\end{itemize}
}
+\section{During spare time between sessions}
+
\feagendaonecolumn
-{Demo - Cross compiling toolchain}
+{Optional lab - Cross compiling toolchain}
{
\begin{itemize}
\item Configuring Crosstool-NG
@@ -166,6 +189,12 @@ On-line seminar
\section{Half day 2}
+\feagendaonecolumn
+{Solution demo - Cross compiling toolchain}
+{
+ {\em Corresponding to the above optional lab}
+}
+
\feagendaonecolumn
{Lecture - Bootloaders}
{
@@ -177,18 +206,7 @@ On-line seminar
\end{itemize}
}
-\feagendatwocolumn
-{Demo - Bootloader and U-boot}
-{
- {\em Using the Microchip SAMA5D3 Xplained board}
- \begin{itemize}
- \item Set up serial communication with the board.
- \item Configure, compile and install the first-stage bootloader
- and U-Boot on the Xplained board.
- \item Become familiar with U-Boot environment and commands.
- \item Set up TFTP communication with the board. Use TFTP U-Boot commands.
- \end{itemize}
-}
+\feagendaonecolumn
{Lecture - Linux kernel}
{
\begin{itemize}
@@ -201,19 +219,53 @@ On-line seminar
\item Using the patch command
\end{itemize}
}
-\\
+
+\section{During spare time between sessions}
+
+\feagendaonecolumn
+{Optional lab - Bootloader and U-boot}
+{
+ {\em Using the QEMU emulated ARM Vexpress A9 board}
+ \begin{itemize}
+ \item Configure U-Boot for your virtual board
+ \item Build U-Boot with your new toolchain
+ \item Start U-Boot directly from QEMU and test it.
+ \end{itemize}
+}
\feagendaonecolumn
-{Demo - Kernel sources}
+{Optional lab - Kernel sources}
{
\begin{itemize}
\item Downloading kernel sources
- \item Apply kernel patches
+ \item Applying kernel patches
\end{itemize}
}
\section{Half day 3}
+\feagendaonecolumn
+{Solution demo - Bootloader and U-boot}
+{
+ {\em Using the Microchip SAMA5D3 Xplained board}
+ \begin{itemize}
+ \item Set up serial communication with the board.
+ \item Configure, compile and install the first-stage bootloader
+ and U-Boot on the Xplained board.
+ \item Become familiar with U-Boot environment and commands.
+ \item Set up TFTP communication with the board. Use TFTP U-Boot commands.
+ \end{itemize}
+}
+
+\feagendaonecolumn
+{Solution demo - Kernel sources}
+{
+ \begin{itemize}
+ \item Downloading kernel sources
+ \item Apply kernel patches
+ \end{itemize}
+}
+
\feagendaonecolumn
{Lecture – Configuring and compiling a Linux kernel}
{
@@ -228,21 +280,6 @@ On-line seminar
}
\feagendaonecolumn
-{Demo - Kernel cross-compiling and booting}
-{
- {\em Using the Microchip Xplained board}
- \begin{itemize}
- \item Configuring the Linux kernel and cross-compiling it for the ARM board.
- \item Downloading your kernel on the board through U-boot's tftp client.
- \item Booting your kernel from RAM.
- \item Copying the kernel to flash and booting it from this location.
- \item Storing boot parameters in flash and automating kernel booting from flash.
- \end{itemize}
-}
-
-\section{Half day 4}
-
-\feagendatwocolumn
{Lecture – Root filesystem in Linux}
{
\begin{itemize}
@@ -254,37 +291,45 @@ On-line seminar
\item Contents of a typical root filesystem.
\end{itemize}
}
-{Lecture - BusyBox}
+
+\section{During spare time between sessions}
+
+\feagendaonecolumn
+{Optional lab - Kernel cross-compiling and booting}
{
+ {\em Using the QEMU emulated ARM Vexpress A9 board}
\begin{itemize}
- \item Detailed overview. Detailed features.
- \item Configuration, compiling and deploying.
+ \item Configuring the Linux kernel and cross-compiling it for the ARM board.
+ \item Booting your kernel directly from QEMU. Loading it from U-Boot
+ will be done later.
\end{itemize}
}
+\section{Half day 4}
+
\feagendaonecolumn
-{Demo – Tiny root filesystem built from scratch with BusyBox}
+{Solution demo - Kernel cross-compiling and booting}
{
{\em Using the Microchip Xplained board}
\begin{itemize}
- \item Now build a basic root filesystem from scratch for your ARM system
- \item Setting up a kernel to boot your system on a workstation
- directory exported by NFS
- \item Passing kernel command line parameters to boot on NFS
- \item Creating the full root filesystem from scratch.
- Populating it with BusyBox based utilities.
- \item Creating device files and booting the virtual system.
- \item System startup using BusyBox /sbin/init
- \item Using the BusyBox http server.
- \item Controlling the target from a web browser on the PC host.
- \item Setting up shared libraries on the target and compiling
- a sample executable.
+ \item Configuring the Linux kernel and cross-compiling it for the ARM board.
+ \item Downloading your kernel on the board through U-boot's tftp client.
+ \item Booting your kernel from RAM.
+ \item Copying the kernel to flash and booting it from this location.
+ \item Storing boot parameters in flash and automating kernel booting from flash.
\end{itemize}
}
-\section{Half day 5}
+\feagendaonecolumn
+{Lecture - BusyBox}
+{
+ \begin{itemize}
+ \item Detailed overview. Detailed features.
+ \item Configuration, compiling and deploying.
+ \end{itemize}
+}
-\feagendatwocolumn
+\feagendaonecolumn
{Lecture - Block filesystems}
{
\begin{itemize}
@@ -296,16 +341,6 @@ On-line seminar
\item Suggestions for embedded systems.
\end{itemize}
}
-{Demo - Block filesystems}
-{
- {\em Using the Xplained ARM board}
- \begin{itemize}
- \item Creating partitions on your block storage
- \item Booting a system with a mix of filesystems: SquashFS for
- applications, ext3 for configuration and user data, and
- tmpfs for temporary system files.
- \end{itemize}
-}
\feagendaonecolumn
{Lecture - Flash filesystems}
@@ -320,7 +355,71 @@ On-line seminar
\end{itemize}
}
-\section{Half day 6}
+\section{During spare time between sessions}
+
+\feagendaonecolumn
+{Optional lab – Preparing SD card image}
+{
+ {\em Using the QEMU emulated ARM Vexpress A9 board}
+ \begin{itemize}
+ \item Prepare an SD card image for use by the QEMU emulated machine.
+ We will first use it to store the U-Boot environment
+ \item Create this image with the \code{dd} command
+ \item Create partitions inside this image
+ \item Set up a loop device and access the partitions inside
+ \item Format the first partition with a FAT partition
+ \item Test the ability for U-Boot to store its environment in
+ this FAT partition
+ \end{itemize}
+}
+
+\feagendaonecolumn
+{Optional lab – Boot Linux from U-Boot through tftp}
+{
+ {\em Using the QEMU emulated ARM Vexpress A9 board}
+ \begin{itemize}
+ \item Setup networking between your PC and the QEMU emulated machine
+ \item Setup tftp for transferring files between the host and U-Boot
+ in QEMU
+ \item Boot Linux from U-Boot through tftp
+ \item Automate the boot sequence in U-Boot
+ \end{itemize}
+}
+
+\feagendaonecolumn
+{Optional lab – Tiny root filesystem built from scratch with BusyBox}
+{
+ {\em Using the QEMU emulated ARM Vexpress A9 board}
+ \begin{itemize}
+ \item Now build a basic root filesystem from scratch for your ARM system
+ \item Setting up a kernel to boot your system on a host
+ directory exported by NFS
+ \item Passing kernel command line parameters to boot on NFS
+ \item Creating the full root filesystem from scratch.
+ Populating it with BusyBox based utilities.
+ \item Creating device files and booting the virtual system.
+ \item System startup using BusyBox /sbin/init
+ \item Using the BusyBox http server.
+ \item Controlling the target from a web browser on the PC host.
+ \item Setting up shared libraries on the target and compiling
+ a sample executable.
+ \end{itemize}
+}
+
+\newpage
+\section{Half day 5}
+
+\feagendaonecolumn
+{Solution demo – Tiny root filesystem built from scratch with BusyBox}
+{
+ {\em Implementing the same functionality as on QEMU but with the Microchip Xplained board}
+}
+
+\feagendaonecolumn
+{Lecture - Flash filesystems}
+{
+ {\em Continued from the previous day}
+}
\feagendaonecolumn
{Demo – Flash filesystems}
@@ -360,9 +459,23 @@ On-line seminar
\end{itemize}
}
+\section{During spare time between sessions}
+
+\feagendaonecolumn
+{Optional lab - Block filesystems}
+{
+ {\em Using the QEMU emulated ARM Vexpress A9 board}
+ \begin{itemize}
+ \item Booting your system with a mix of filesystems on MMC/SD storage: SquashFS for
+ applications, ext3 for configuration and user data, and
+ tmpfs for temporary system files.
+ \end{itemize}
+}
+
\feagendaonecolumn
-{Demo – Cross-compiling applications and libraries}
+{Optional lab – Cross-compiling applications and libraries}
{
+ {\em Using the QEMU emulated ARM Vexpress A9 board}
\begin{itemize}
\item Building a system with audio libraries and a sound player application.
\item Manual compilation and installation of several free software packages.
@@ -370,17 +483,21 @@ On-line seminar
\end{itemize}
}
-\section{Half day 7}
+\section{Half day 6}
\feagendaonecolumn
-{Demo – Cross-compiling applications and libraries}
+{Solution demo - Block filesystems}
{
- \begin{itemize}
- \item Continued from previous day
- \end{itemize}
+ {\em Implementing the same functionality as on QEMU but with the Microchip Xplained board}
}
-\feagendatwocolumn
+\feagendaonecolumn
+{Solution demo – Cross-compiling applications and libraries}
+{
+ {\em Implementing the same functionality as on QEMU but with the Microchip Xplained board}
+}
+
+\feagendaonecolumn
{Lecture - Embedded system building tools}
{
\begin{itemize}
@@ -388,16 +505,27 @@ On-line seminar
\item Buildroot example.
\end{itemize}
}
-{Demo - System build with Buildroot}
+
+\section{During spare time between sessions}
+
+\feagendaonecolumn
+{Optional lab - System build with Buildroot}
{
- {\em Using the Microchip Xplained board}
+ {\em Using the QEMU emulated ARM Vexpress A9 board}
\begin{itemize}
\item Using Buildroot to rebuild the same system as in the previous lab.
\item Seeing how easier it gets.
- \item Optional: add a package to Buildroot.
\end{itemize}
}
+\section{Half day 7}
+
+\feagendaonecolumn
+{Solution demo - System build with Buildroot}
+{
+ {\em Implementing the same functionality as on QEMU but with the Microchip Xplained board}
+}
+
\feagendaonecolumn
{Lecture - Application development and debugging}
{
@@ -413,8 +541,10 @@ On-line seminar
\end{itemize}
}
+\section{During spare time between sessions}
+
\feagendaonecolumn
-{Demo – Application development and debugging}
+{Optional lab – Application development and debugging}
{
{\em On the Microchip Xplained board}
\begin{itemize}
@@ -426,6 +556,12 @@ On-line seminar
\section{Half day 8}
+\feagendaonecolumn
+{Solution demo - Application development and debugging}
+{
+ {\em Implementing the same functionality as on QEMU but with the Microchip Xplained board}
+}
+
\feagendaonecolumn
{Lecture - Linux and real-time}
{
@@ -454,14 +590,21 @@ On-line seminar
\end{itemize}
}
+\section{After the last session}
+
\feagendaonecolumn
-{Questions and Answers}
+{Optional lab - Linux latency tests}
{
+ {\em Note: the tests may not yield sensible results, because
+ of the use of an emulator. However, practising with kernel
+ configuration patches and options for real-time, and compiling
+ applications can be a useful experience}
\begin{itemize}
- \item Questions and answers with the audience about the course topics
- \item Extra presentations if time is left, according what most
- participants are interested in.
+ \item Performed on the QEMU ARM Vexpress A9 board
+ \item Latency tests on standard Linux, with preemption options.
+ \item Latency tests using the \code{PREEMPT_RT} kernel patchset.
+ \item Setting up Xenomai.
+ \item Latency tests with Xenomai.
\end{itemize}
}
-
\end{document}
diff --git a/agenda/qemu-logo.svg b/agenda/qemu-logo.svg
new file mode 100644
index 00000000..76d45d30
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