diff options
Diffstat (limited to 'application-devel/cross-devel')
| -rw-r--r-- | application-devel/cross-devel/Makefile | 8 | ||||
| -rw-r--r-- | application-devel/cross-devel/handout_cross-devel_de.tex | 19 | ||||
| -rw-r--r-- | application-devel/cross-devel/hints_cross-devel_de.tex | 26 | ||||
| -rw-r--r-- | application-devel/cross-devel/linutronix-left.png | bin | 0 -> 17432 bytes | |||
| -rw-r--r-- | application-devel/cross-devel/linutronix-right.png | bin | 0 -> 5559 bytes | |||
| -rw-r--r-- | application-devel/cross-devel/linutronix.png | bin | 0 -> 24712 bytes | |||
| -rw-r--r-- | application-devel/cross-devel/pres_cross-devel_de.tex | 224 |
7 files changed, 277 insertions, 0 deletions
diff --git a/application-devel/cross-devel/Makefile b/application-devel/cross-devel/Makefile new file mode 100644 index 0000000..bd4d45f --- /dev/null +++ b/application-devel/cross-devel/Makefile @@ -0,0 +1,8 @@ +all: + pdflatex handout_cross-devel_de.tex + pdflatex pres_cross-devel_de.tex + pdflatex hints_cross-devel_de.tex + +clean: + rm -f *.aux *.log *.pdf *.log *.snm *.toc *.vrb *.nav *.out + diff --git a/application-devel/cross-devel/handout_cross-devel_de.tex b/application-devel/cross-devel/handout_cross-devel_de.tex new file mode 100644 index 0000000..b6e7158 --- /dev/null +++ b/application-devel/cross-devel/handout_cross-devel_de.tex @@ -0,0 +1,19 @@ +\documentclass{lxarticle} +\usepackage{german} +\usepackage[utf8]{inputenc} +\usepackage{lxheaders} +\usepackage{lxextras} + +\begin{document} + +\section*{Titel} + +\subsection*{Abschnitt1} + +Text + +\subsection*{Abschnitt2} + +Text + +\end{document} diff --git a/application-devel/cross-devel/hints_cross-devel_de.tex b/application-devel/cross-devel/hints_cross-devel_de.tex new file mode 100644 index 0000000..11c5c34 --- /dev/null +++ b/application-devel/cross-devel/hints_cross-devel_de.tex @@ -0,0 +1,26 @@ +\documentclass{lxarticle} +\usepackage{german} +\usepackage[utf8]{inputenc} +\usepackage{lxheaders} +\usepackage{lxextras} + +\begin{document} + +\section*{Block \lq Was ist Linux?\rq} + +\subsection*{Lernziele} +\begin{itemize} +\item Lernziel 1 +\item Lernziel 2 +\item Lernziel 3 +\end{itemize} + +\subsection*{Unterrichts-Ablauf} + +Hinweise zur Präsentation, Zeitplanung, etc. + +\subsection*{Übungen bei vorhandener Hardware} + +Hinweise zu Übungen, Zeitlimit dazu. + +\end{document} diff --git a/application-devel/cross-devel/linutronix-left.png b/application-devel/cross-devel/linutronix-left.png Binary files differnew file mode 100644 index 0000000..c9864c8 --- /dev/null +++ b/application-devel/cross-devel/linutronix-left.png diff --git a/application-devel/cross-devel/linutronix-right.png b/application-devel/cross-devel/linutronix-right.png Binary files differnew file mode 100644 index 0000000..136f35d --- /dev/null +++ b/application-devel/cross-devel/linutronix-right.png diff --git a/application-devel/cross-devel/linutronix.png b/application-devel/cross-devel/linutronix.png Binary files differnew file mode 100644 index 0000000..0c0e706 --- /dev/null +++ b/application-devel/cross-devel/linutronix.png diff --git a/application-devel/cross-devel/pres_cross-devel_de.tex b/application-devel/cross-devel/pres_cross-devel_de.tex new file mode 100644 index 0000000..c792682 --- /dev/null +++ b/application-devel/cross-devel/pres_cross-devel_de.tex @@ -0,0 +1,224 @@ +\documentclass{beamer} +\usetheme{linutronix} +\usepackage{german} +\usepackage[utf8]{inputenc} +\usepackage{pgf} +\usepackage{graphicx} +\usepackage{lxextras} + +\title{Block \lq Cross Development\rq} +\institute{Linutronix GmbH} + +\lstset{keywordstyle=\color{blue},commentstyle=\color{orange}} + +\begin{document} + +\maketitle + +\begin{frame} +\frametitle{Übersicht} +\tableofcontents +\end{frame} + +\section{Cross Übersetzen} +\begin{frame}[containsverbatim] +\frametitle{Cross ''Hello world''} +\begin{lstlisting}[language=c] +/* cross_hello.c */ +#include <stdio.h> + +int main(void) +{ + printf("Hello cross compiling world\n"); + return 0; +} +\end{lstlisting} +\end{frame} + +\begin{frame}[containsverbatim] +\frametitle{Übersetzen für das Zielsystem} +\begin{lstlisting}[language=bash] +# Uebersetzen +powerpc-linux-gnu-gcc -static -o cross_hello \ +cross_hello.c +\end{lstlisting} +\begin{lstlisting}[language=bash] +# Executable ueberpruefen +$ file cross_hello +cross_hello: ELF 32-bit MSB executable, PowerPC +or cisco 4500, version 1 (SYSV), +dynamically linked (uses shared libs), +for GNU/Linux 2.6.10, with unknown +[...] +not stripped +\end{lstlisting} +\end{frame} + +\section{Testing auf dem Host} + +\begin{frame} +\frametitle{Qemu als Werkzeug zur Cross Entwicklung} +\begin{alertblock}{Was ist Qemu?} +Qemu ist eine sehr performante Emulations- und Virtualisierungsumgebung für alle +gängigen CPU Architekturen. +\end{alertblock} +\end{frame} + +\begin{frame}[containsverbatim] +\frametitle{Testen eines Executables mit der Qemu user emulation} +\begin{lstlisting}[language=bash] +$ ./cross_hello +bash: ./cross_hello: cannot execute binary file +$ qemu-ppc ./cross_hello +Hello cross compiling world +\end{lstlisting} +\end{frame} + +\section{Rootfilesystem} +\subsection{Filesystem from scratch} +\begin{frame}[containsverbatim] +\frametitle{Erstellen eines Rootfilesystems für die Zielarchitektur} +1) Busybox +\begin{lstlisting}[language=bash] +mkdir /tftpboot/nfsroot +cd busybox-1.16.1 +make menuconfig +make CROSS_COMPILE=powerpc-linux-gnu- install +rsync -Hav _install/ /tftpboot/nfsroot +cd /tftpboot/nfsroot +\end{lstlisting} +\end{frame} + +\begin{frame}[containsverbatim] +\frametitle{Erstellen eines Rootfilesystems für die Zielarchitektur} +2) Grundstruktur erstellen: +\begin{lstlisting}[language=bash] +# Verzeichnisstruktur +mkdir lib etc tmp dev mnt sys proc + +# Devices nodes (als root!) +mknod dev/console c 5 1 +mknod dev/null c 1 3 +mknod dev/ttyS0 c 4 64 +mknod dev/tty0 c 4 0 +mknod dev/tty1 c 4 1 +mknod dev/tty2 c 4 2 +mknod dev/tty3 c 4 3 +mknod dev/tty4 c 4 4 +\end{lstlisting} +\end{frame} + +\begin{frame}[containsverbatim] +\frametitle{Erstellen eines Rootfilesystems für die Zielarchitektur} +3) Startscript(e) erstellen +\begin{lstlisting}[language=bash] +cd /tftpboot/nfsroot +mkdir etc/rc.d +vim etc/init.d/rcS +\end{lstlisting} +/etc/rc.d/rcS: +\begin{verbatim} +#!/bin/sh +mount -t proc proc /proc +mount -t sysfs sysfs /sys + +mount -o remount,rw / +\end{verbatim} +\begin{lstlisting}[language=bash] +chmod u+rw etc/rc.d/rcS +\end{lstlisting} +\end{frame} + +\begin{frame}[containsverbatim] +\frametitle{Erstellen eines Rootfilesystems für die Zielarchitektur} +4) Libraries kopieren +\begin{lstlisting}[language=bash] +# Loader +$ cp /path_to_my_libc/lib/ld.so.1 \ +/tftpboot/nfsroot/lib +# Getting the dependencies and copy them +$ powerpc-linux-gnu-objdump -x \ +/tftpboot/nfsroot/bin/busybox | grep NEEDED + NEEDED libm.so.6 + NEEDED libc.so.6 +$ cp /path_to_my_libc/lib/libm.so.6 \ +/tftpboot/nfsroot/lib +$ cp /path_to_my_libc/lib/libc.so.6 \ +/tftpboot/nfsroot/lib +\end{lstlisting} +\end{frame} + +\begin{frame}[containsverbatim] +\frametitle{Erstellen eines Rootfilesystems für die Zielarchitektur} +5) Berechtigungen korrigieren: +\begin{lstlisting}[language=bash] +chown -R root:root rootfs +\end{lstlisting} +That's it!! :) +\end{frame} + +\subsection{Exportieren per NFS} +\subsubsection{Konfiguration} +\begin{frame}[containsverbatim] +\frametitle{Exportieren per NFS} +1) nfs-kernel-server installieren +\begin{lstlisting} +# Auf Debian basierten Systemen (als root) +apt-get install nfs-kernel-server +\end{lstlisting} +\end{frame} +\begin{frame}[containsverbatim] +\frametitle{Exportieren per NFS} +2) Directory exportieren +\begin{lstlisting}[language=bash] +vim /etc/exports +\end{lstlisting} +\begin{verbatim} +/tftpboot/nfsroot \ +192.168.0.0/255.255.255.0\ +(rw,no_root_squash,no_subtree_check,insecure) \ +127.0.0.1\ +(rw,no_root_squash,no_subtree_check,insecure) \ +10.0.2.0/255.255.255.0\ +(rw,no_root_squash,no_subtree_check,insecure) +\end{verbatim} +\begin{lstlisting}[language=bash] +/etc/init.d/nfs-kernel-server restart +\end{lstlisting} +\end{frame} +\subsubsection{Filesystem mit Qemu testen} +\begin{frame}[containsverbatim] +\frametitle{RFS mit Qemu booten} +\begin{lstlisting} +qemu-system-ppc -nographic \ +-kernel images/vmlinux \ +-append \ +"console=ttyS0 ip=dhcp \ +root=/dev/nfs \ +nfsroot=10.0.2.2:/tftpboot/nfsroot" \ +-net nic -net user +\end{lstlisting} +\end{frame} +\begin{frame}[containsverbatim] +\frametitle{RFS mit Qemu booten} +\begin{verbatim} +[...] +IP-Config: Got DHCP answer from 10.0.2.2, my address +IP-Config: Complete: + device=eth0, addr=10.0.2.15, mask=255.255.255.0 + host=10.0.2.15, domain=, nis-domain=(none), + bootserver=10.0.2.2, rootserver=10.0.2.2, rootpath= +Looking up port of RPC 100003/2 on 10.0.2.2 +Looking up port of RPC 100005/1 on 10.0.2.2 +VFS: Mounted root (nfs filesystem) readonly. +Freeing unused kernel memory: 208k init + +Please press Enter to activate this console. +\end{verbatim} +\end{frame} +\subsubsection{Filesystem auf dem Target testen} +\begin{frame} +\frametitle{Auf dem Target} +HAND'S ON! :) +\end{frame} +\end{document} |
