From 284629b6bccaaf2417934c46f7c21b85b6070304 Mon Sep 17 00:00:00 2001 From: Manuel Traut Date: Mon, 1 Sep 2014 13:28:51 +0200 Subject: yocto: rework layout Signed-off-by: Manuel Traut --- distribution/yocto-basic/pres_yocto-basic.tex | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) (limited to 'distribution/yocto-basic/pres_yocto-basic.tex') diff --git a/distribution/yocto-basic/pres_yocto-basic.tex b/distribution/yocto-basic/pres_yocto-basic.tex index cf86fa9..1f5083d 100644 --- a/distribution/yocto-basic/pres_yocto-basic.tex +++ b/distribution/yocto-basic/pres_yocto-basic.tex @@ -1399,9 +1399,11 @@ interfaces of the PC \begin{frame} \frametitle{remote execution and debugging} \begin{itemize} - \item seems to be broken at the moment, or works different than documented - \item it should be possible, if ssh is added to the image and an ssh - remote connection will be used. + \item Switch to 'Remote System Explorer' perspective + \pause + \item Create a new 'TCF' connection + \pause + \item Run as / Debug as and select the speficied remote connection \end{itemize} \end{frame} -- cgit v1.2.3 From ed77a6c30ee36bb6b9ed0a875975b600d30600c9 Mon Sep 17 00:00:00 2001 From: Manuel Traut Date: Fri, 5 Sep 2014 10:30:14 +0200 Subject: yocto-basics: add hints for remote debugging Signed-off-by: Manuel Traut --- distribution/yocto-basic/pres_yocto-basic.tex | 18 +++++++++++++++--- 1 file changed, 15 insertions(+), 3 deletions(-) (limited to 'distribution/yocto-basic/pres_yocto-basic.tex') diff --git a/distribution/yocto-basic/pres_yocto-basic.tex b/distribution/yocto-basic/pres_yocto-basic.tex index 1f5083d..c75c7ba 100644 --- a/distribution/yocto-basic/pres_yocto-basic.tex +++ b/distribution/yocto-basic/pres_yocto-basic.tex @@ -1399,11 +1399,23 @@ interfaces of the PC \begin{frame} \frametitle{remote execution and debugging} \begin{itemize} - \item Switch to 'Remote System Explorer' perspective + \item switch to 'Remote System Explorer' perspective \pause - \item Create a new 'TCF' connection + \item create a new 'TCF' connection \pause - \item Run as / Debug as and select the speficied remote connection + \item switch to 'C/C++' perspective and select 'Run / Debug Configurations' + \pause + \item select the preconfigured 'C/C++ Application' and select the correct + 'Connection' + \pause + \item set 'Remote Absolute File Path' to sth. like '/usr/bin/' + \pause + \item select the 'Debugger' tab and set 'gdb' to the deugger of your + toolchain; e.g. + '/home/devel/poky/build/tmp/sysroots/x86\_64-linux/usr/bin/i586-poky-linux-none/i586-poky-linux-gnueabi-gdb' + \pause + \item select 'Apply', 'Debug' - Next time you can use this preconfigured debug + configuration \end{itemize} \end{frame} -- cgit v1.2.3 From d05a89acc37783d91b10ff911e6b29a16c494d6f Mon Sep 17 00:00:00 2001 From: Manuel Traut Date: Fri, 19 Sep 2014 12:06:34 +0200 Subject: yocto-slides: small improvements * toaster screenshots * updated kernel recipe to match meta-mini * updated agenda Signed-off-by: Manuel Traut --- .../yocto-advanced/pres_yocto-advanced.tex | 49 ++++++++------------- distribution/yocto-basic/pres_yocto-basic.tex | 25 +++++++---- distribution/yocto-intro/pres_yocto-intro.tex | 4 +- images/yocto-toaster1.png | Bin 0 -> 120188 bytes images/yocto-toaster2.png | Bin 0 -> 75575 bytes images/yocto-toaster3.png | Bin 0 -> 118033 bytes 6 files changed, 36 insertions(+), 42 deletions(-) create mode 100644 images/yocto-toaster1.png create mode 100644 images/yocto-toaster2.png create mode 100644 images/yocto-toaster3.png (limited to 'distribution/yocto-basic/pres_yocto-basic.tex') diff --git a/distribution/yocto-advanced/pres_yocto-advanced.tex b/distribution/yocto-advanced/pres_yocto-advanced.tex index 189e377..5d306f1 100644 --- a/distribution/yocto-advanced/pres_yocto-advanced.tex +++ b/distribution/yocto-advanced/pres_yocto-advanced.tex @@ -6,13 +6,12 @@ \begin{frame} \frametitle{Agenda} \begin{itemize} -\item Using BSP layers (beaglebone) -\item Build a predefined image (beaglebone) +\item Using BSP layers +\item Build a predefined image \item Creating a layer \item Define a distribution \item Create an image \item Writing recipes -\item Yocto \& ELBE combined? \end{itemize} \end{frame} @@ -602,31 +601,15 @@ DISTRO_FEATURES_append = " systemd" TCLIBCAPPEND = "" \end{verbatim} \end{frame} + \begin{frame}[fragile] \begin{verbatim} -PREMIRRORS ??= "\ -bzr://.*/.* http://downloads.yoctoproject.org/mirror/sources/ \n \ -cvs://.*/.* http://downloads.yoctoproject.org/mirror/sources/ \n \ -git://.*/.* http://downloads.yoctoproject.org/mirror/sources/ \n \ -hg://.*/.* http://downloads.yoctoproject.org/mirror/sources/ \n \ -osc://.*/.* http://downloads.yoctoproject.org/mirror/sources/ \n \ -p4://.*/.* http://downloads.yoctoproject.org/mirror/sources/ \n \ -svk://.*/.* http://downloads.yoctoproject.org/mirror/sources/ \n \ -svn://.*/.* http://downloads.yoctoproject.org/mirror/sources/ \n" -\end{verbatim} -\end{frame} -\begin{frame}[fragile] -\begin{verbatim} -MIRRORS =+ "\ -ftp://.*/.* http://downloads.yoctoproject.org/mirror/sources/ \n \ -http://.*/.* http://downloads.yoctoproject.org/mirror/sources/ \n \ -https://.*/.* http://downloads.yoctoproject.org/mirror/sources/ \n" - CONNECTIVITY_CHECK_URIS ?= " \ https://eula-downloads.yoctoproject.org/index.php \ http://bugzilla.yoctoproject.org/report.cgi" \end{verbatim} \end{frame} + \begin{frame}[fragile] \begin{verbatim} SANITY_TESTED_DISTROS ?= " \ @@ -795,7 +778,8 @@ create the file 'meta-mini/recipes-bsp/linux-vanilla/linux-vanilla\_3.16.1.bb': SECTION = "kernel" DESCRIPTION = "Linux vanilla kernel" LICENSE = "GPLv2" -KERNEL_IMAGETYPE = "uImage" +LIC_FILES_CHKSUM = "file://COPYING;md5=d7810fab7487fb0aad327b76f1be7cd7" +KERNEL_IMAGETYPE ?= "uImage" inherit kernel require recipes-kernel/linux/linux-dtb.inc @@ -805,19 +789,22 @@ require recipes-kernel/linux/linux-dtb.inc \begin{frame}[fragile] \frametitle{adding a kernel \#2} \begin{verbatim} +COMPATILBE_MACHINE_imx6qsabrelite = "imx6qsabrelite" +KERNEL_DEVICETREE_imx6qsabrelite = "arch/arm/boot/dts/imx6q-sabrelite.dts" COMPATILBE_MACHINE_beaglebone-black = "beaglebone-black" -KERNEL_DEVICETREE_beaglebone-black = \ -"arch/arm/boot/dts/am335x-boneblack.dts" +KERNEL_DEVICETREE_beaglebone-black = "arch/arm/boot/dts/am335x-boneblack.dts" + +S = "${WORKDIR}/git -S = "${WORKDIR}/linux-${PV}" -https://www.kernel.org/pub/linux/kernel/v3.x/linux-${PV}.tar.xz \ -file://defconfig \ -" +BRANCH = "master" +SRC_URI = "https://www.kernel.org/pub/linux/kernel/v3.x/linux-${PV}.tar.xz \ + file://defconfig" -SRC_URI[md5sum] = "???" -SRC_URI[sha256sum] = "???" +SRC_URI[md5sum] = "e7a985a243b7941b6bc6240fcbc797fc" +SRC_URI[sha256sum] = "be37dda8ea090525661d64e5c7fc8580f313b7f9ba8592e32120f1332b KERNEL_EXTRA_ARGS += "LOADADDR=${UBOOT_ENTRYPOINT}" +LINUX_VERSION_EXTENSION = "-linutronix" do_configure_prepend() { cp '${WORKDIR}/defconfig' '${S}/.config' @@ -848,7 +835,7 @@ PROVIDES += "virtual/kernel" --8<-------------------------------- \end{verbatim} -PREFERRED\_PROVIDER\_virtual/kernel = "linux-yocto" +PREFERRED\_PROVIDER\_virtual/kernel = "linux-vanilla" \pause diff --git a/distribution/yocto-basic/pres_yocto-basic.tex b/distribution/yocto-basic/pres_yocto-basic.tex index c75c7ba..29ab14d 100644 --- a/distribution/yocto-basic/pres_yocto-basic.tex +++ b/distribution/yocto-basic/pres_yocto-basic.tex @@ -489,10 +489,7 @@ specific options inherit is used to use the functionality defined in a .bblcass file. Popular predefined classes are: \begin{itemize} -\item allarch -\item archiver -\item autotools / autotools-brokensep -\item bin\_package +\item autotools \item cmake \item cpan \item distutils / setuptools @@ -525,8 +522,6 @@ an append file must be named after the base package: \begin{verbatim} _.bbappend \end{verbatim} -\pause - can be replaced by \% to match all versions. \end{frame} \subsection{Classes} @@ -535,7 +530,7 @@ an append file must be named after the base package: \begin{itemize} \item python can be used to write functions \pause - \item there should be no need to write a own class + \item e.g. write your own image generation class \end{itemize} \end{frame} @@ -823,7 +818,7 @@ that is used by the Board .conf file \item [IMAGE\_FSTYPES] formats for the rootfs, e.g. "ext3 tar.bz2" \pause \item [IMAGE\_CLASSES] list of classes that all images should inherit, default - is image\_types + is image\_types, e.g. to hook in own image generation code \end{description} \end{frame} @@ -1126,6 +1121,18 @@ is used to stop toaster (only one toaster per pc possible) only actions between toaster start and stop are recorded \end{frame} +\begin{frame} + \includegraphics[height=\textheight]{images/yocto-toaster1} +\end{frame} + +\begin{frame} + \includegraphics[height=\textheight]{images/yocto-toaster2} +\end{frame} + +\begin{frame} + \includegraphics[height=\textheight]{images/yocto-toaster3} +\end{frame} + \begin{frame}[fragile] \frametitle{cleanup} \begin{verbatim} @@ -1259,7 +1266,7 @@ poky/build % bitbake meta-ide-support \begin{frame}[fragile] \frametitle{export a nfsroot} \begin{verbatim} -%runqemu-extract-sdk \ +poky/build % runqemu-extract-sdk \ tmp/deploy/images/qemux86/core-image-minimal-qemux86.tar.bz2 \ ~/sdk/core-image-minimal \end{verbatim} diff --git a/distribution/yocto-intro/pres_yocto-intro.tex b/distribution/yocto-intro/pres_yocto-intro.tex index c3eaae8..ded1291 100644 --- a/distribution/yocto-intro/pres_yocto-intro.tex +++ b/distribution/yocto-intro/pres_yocto-intro.tex @@ -22,8 +22,8 @@ \pause \item Advanced \begin{itemize} - \item Using BSP layers (beaglebone-black) - \item Build a predefined image (beaglebone-black) + \item Using BSP layers + \item Build a predefined image \item Define a distribution \item Create layers \& recipes \item Create images diff --git a/images/yocto-toaster1.png b/images/yocto-toaster1.png new file mode 100644 index 0000000..de836c4 Binary files /dev/null and b/images/yocto-toaster1.png differ diff --git a/images/yocto-toaster2.png b/images/yocto-toaster2.png new file mode 100644 index 0000000..19b9aae Binary files /dev/null and b/images/yocto-toaster2.png differ diff --git a/images/yocto-toaster3.png b/images/yocto-toaster3.png new file mode 100644 index 0000000..38705d6 Binary files /dev/null and b/images/yocto-toaster3.png differ -- cgit v1.2.3 From 0aa4d82f88246d49bf10514a37e1fd4856064d33 Mon Sep 17 00:00:00 2001 From: Manuel Traut Date: Tue, 12 Jan 2016 18:03:09 +0100 Subject: yocto-basic: adoptions for yocto 2.0 Signed-off-by: Manuel Traut --- distribution/yocto-basic/pres_yocto-basic.tex | 193 ++++++-------------------- 1 file changed, 39 insertions(+), 154 deletions(-) (limited to 'distribution/yocto-basic/pres_yocto-basic.tex') diff --git a/distribution/yocto-basic/pres_yocto-basic.tex b/distribution/yocto-basic/pres_yocto-basic.tex index 29ab14d..c0df453 100644 --- a/distribution/yocto-basic/pres_yocto-basic.tex +++ b/distribution/yocto-basic/pres_yocto-basic.tex @@ -23,15 +23,42 @@ \includegraphics[width=\textwidth]{images/yocto-workflow} \end{frame} +\begin{frame}[fragile] +\frametitle{retrieve poky} +\begin{verbatim} +% git clone http://git.yoctoproject.org/git/poky +% cd poky +% git checkout origin/jethro -b jethro -t +\end{verbatim} +\begin{itemize} +\item is used to modify the environment and change the CWD to +\item ./oe-init-buildenv-memres is used to keep the bitbake-server running +\end{itemize} +\end{frame} + + +\begin{frame}[fragile] +\frametitle{prepare environment} +\begin{itemize} +\item bitbake is typically not installed into regular search paths +\item the environment of the bash is modified to find the commands +\item non-bash shells are not supported +\end{itemize} +\begin{verbatim} +% . ./oe-init-buildenv +\end{verbatim} +\begin{itemize} +\item is used to modify the environment and change the CWD to +\item ./oe-init-buildenv-memres is used to keep the bitbake-server running +\end{itemize} +\end{frame} + \begin{frame} \frametitle{classes} \begin{itemize} \item denoted by the .bbclass extension -\pause \item base.bbclass is automatically included by all other classes and recipes. -\pause \item common tasks and there execution order is defined in base.bbclass -\pause \item tasks can be added, overridden, extended or used by other classes \end{itemize} \end{frame} @@ -40,7 +67,6 @@ \frametitle{recipes} \begin{itemize} \item a .bb file inherits classes and populates them with data -\pause \item bitbake is used to schedule the tasks defined in a recipe \end{itemize} \end{frame} @@ -49,19 +75,12 @@ \frametitle{layers} \begin{itemize} \item a folder containing recipes, configs and classes -\pause \item used to isolate different types of customizations from each other -\pause \item e.g. own layer for machine specific stuff, one for own applications -\pause \item extend, add, replace or modify recipes -\pause \item add or replace class files -\pause \item 'conf/layer.conf' is used to configure the layer -\pause \item are added and ordered via BBLAYERS variable in build/conf/bblayers.conf -\pause \item 'bitbake-layers show-layers' is used to show used layers \end{itemize} \end{frame} @@ -71,15 +90,10 @@ layers should be grouped by functionality \begin{itemize} \item custom toolchains (compilers, debuggers, profiling tools) -\pause \item distribution specifications (i.e. meta-yocto) -\pause \item BSP/machine settings (i.e. meta-yocto-bsp) -\pause \item functional areas (selinux, networking, etc) -\pause \item project specific changes -\pause \item a layer is typically organized as a git repository \end{itemize} \end{frame} @@ -96,7 +110,7 @@ poky ├── meta-yocto ├── meta-yocto-bsp └── scripts - \end{verbatim} +\end{verbatim} \end{frame} \subsection{Variable assignments} @@ -248,15 +262,10 @@ FOO="456" \frametitle{typical progressing} \begin{enumerate} \item fetch source files -\pause \item extract sources -\pause \item patch sources -\pause \item configure sources -\pause \item compilation -\pause \item packaging \end{enumerate} \end{frame} @@ -287,20 +296,13 @@ inherit autotools \frametitle{syntax} a recipe normaly consists of a human readable description of the project and references to the open-source project and: -\pause \begin{description} \item[LIC*] reference to the used licenses -\pause \item[SRC\_URI] list of source files (local or remote) -\pause \item[PV] package-version (retrived from filename name\_version.bb) -\pause \item[PN] package-name (retrived from filename name\_version.bb) -\pause \item[P] ${PN}-${PV} -\pause \item[S] The location in the Build Directory where unpacked recipe source code resides. -\pause \item[inherit] use a class (or multiple classes) \end{description} \end{frame} @@ -310,22 +312,17 @@ references to the open-source project and: list of source licenses for the recipe: \begin{itemize} \item do not use spaces within individual license names -\pause \item use spaces between license names -\pause \item separate license names using | (pipe) when there is a choice between licenses -\pause \item separate license names using \& (AND) if parts of the code are licensed with different licenses -\pause \item for standard licenses, use the names of the files in meta/files/common-licenses/ or the SPDXLICENSEMAP \footnote{aps commonly used license names to their SPDX counterparts found in meta/files/common-licenses/. For the default SPDXLICENSEMAP mappings, see the meta/conf/licenses.conf file} flag names defined in meta/conf/licenses.conf -\pause \item use "CLOSED" for closed source software (LIC\_FILES\_CHKSUM is not needed to be defined then) \end{itemize} @@ -334,7 +331,6 @@ list of source licenses for the recipe: \begin{frame} \frametitle{LIC\_FILE\_CHKSUM variable} Checksums of the license text in the recipe source code. -\pause \vspace{2em} @@ -353,7 +349,6 @@ multiple urls can be set in a SRC\_URI variable: \begin{verbatim} SRC_URI = ";name=url1 ;name=url2" \end{verbatim} -\pause for each url a md5 and sha256 checksum needs to be added: \begin{verbatim} SRC_URI[url1.md5sum] = xxx @@ -361,68 +356,41 @@ SRC_URI[url1.sha256sum] = yyy SRC_URI[url2.md5sum] = zzz SRC_URI[url2.sha256sum] = xyz \end{verbatim} -\pause To get these checksums don't specify them and run a build and copy them from the error message. (Don't use md5sum or sha256sum on the commandline; they produce a different checksum.) \end{frame} -\begin{frame} +\begin{frame}[fragile] \frametitle{local SRC\_URI (file://)} The path is relative to the FILESPATH variable. To modify the FILESPATH use FILESEXTRAPATH. -\pause \vspace{2em} Additional files are searched in subdirectories of the directory in which the -recipe file (.bb) or append file (.bbappend) resides: -\begin{description} -\item[\${BPN}] base recipe name without any special suffix or version numbers. -\pause -\item[\${BP} - \${BPN}-\${PV}] base recipe name and version but without any special package name suffix. -\pause -\item[files] files within a directory, which is named files and is also alongside the recipe or append file. -\end{description} -\end{frame} +recipe file (.bb) or append file (.bbappend) resides. -\begin{frame} -\frametitle{the BPN variable} -\begin{itemize} -\item bare name of the recipe -\pause -\item version of PN but without suffixes specified in SPECIAL\_PKGSUFFIX - (-common, -native, -cross) -\pause -\item version of PN but without prefixes specified in MLPREFIX (lib64-, lib32-) -\end{itemize} +To find out which paths can be used, it is best practice to use +\begin{verbatim} +$ bitbake -e | grep FILESPATH +\end{verbatim} \end{frame} \begin{frame} \frametitle{remote SRC\_URI} \begin{description} \item[bzr://]Bazaar revision control repository -\pause \item[git://]Git revision control repository -\pause \item[osc://]OSC (OpenSUSE Build service) revision control repository -\pause \item[ccrc://]ClearCase repository -\pause \item[http://]Internet using http -\pause \item[https://]Internet using https -\pause \item[ftp://]Internet using ftp -\pause \item[cvs://]CVS revision control repository -\pause \item[hg://]Mercurial (hg) revision control repository -\pause \item[p4://]Perforce (p4) revision control repository -\pause \item[ssh://]secure shell -\pause \item[svn://]Subversion (svn) revision control repository \end{description} \end{frame} @@ -443,8 +411,8 @@ standard options \item[patchdir=\${S}/foo] directory in which the patch should be applied; default is \${S} \end{description} - \end{frame} + \begin{frame} \frametitle{SRC\_URI patch options \#2} specific options @@ -453,17 +421,13 @@ specific options \footnote{The date of the source code used to build the package. This variable applies only if the source was fetched from a Source Code Manager (SCM)} is equal to or greater than mindate -\pause \item[maxdate] apply patch only if SRCDATE is not later than maxdate -\pause \item[minrev] apply the patch only if SRCREV \footnote{The revision of the source code used to build the package. This variable applies to Subversion, Git, Mercurial and Bazaar only} is equal to or greater than minrev \item[maxrev] apply patch only if SRCREV is not later than maxrev -\pause \item[rev] apply patch only if SRCREV is equal to rev -\pause \item[notrev] apply patch only if SRCREV is not equal to rev \end{description} \end{frame} @@ -472,14 +436,12 @@ specific options \frametitle{SRC\_URI options} \begin{description} \item[unpack=no] controls if an archive is unpacked; default is yes -\pause \item[subdir=bla] places the file (or extracts its contents) into the specified subdirectory of WORKDIR \footnote{${TMPDIR}/work/${MULTIMACH\_TARGET\_SYS}/${PN}/${EXTENDPE}${PV}-${PR}; eg. poky/build/tmp/work/qemux86-poky-linux/foo/1.3.0-r0} \item[name=mydl] name to be used for association with SRC\_URI checksums when you have more than one file specified in SRC\_URI -\pause \item[downloadfilename=my.tar.gz] the filename used when storing the downloaded file \end{description} \end{frame} @@ -510,7 +472,6 @@ predefined classes are: \begin{itemize} \item are typically used to modify or extend the functionality of the base recipe -\pause \item it's recommended by the Yocto project to use bbappend files instead of copying and modyfiing a recipe in an own layer \end{itemize} @@ -529,7 +490,6 @@ an append file must be named after the base package: \frametitle{basics} \begin{itemize} \item python can be used to write functions -\pause \item e.g. write your own image generation class \end{itemize} \end{frame} @@ -689,23 +649,6 @@ an append file must be named after the base package: \end{description} \end{frame} -\begin{frame} -\frametitle{tests} -\begin{description} -\item [do\_compile\_ptest\_base] compiles the runtime test suite included in - the software being built -\pause -\item [do\_install\_ptest\_base] copies the runtime test suite files from the - compilation directory to a holding area -\pause -\item [do\_testimage] boots an image and performs runtime tests within the - image -\pause -\item [do\_testimage\_auto] boots an image and performs runtime tests within - the image immediately after it has been built -\end{description} -\end{frame} - \begin{frame} \frametitle{licenses} \begin{description} @@ -828,36 +771,14 @@ that is used by the Board .conf file \begin{itemize} \item images are constructed using the packages built earlier and put into the Package Feeds -\pause \item decisions of what to install on the image is based on the minimum defined set of required components in an image recipe -\pause \item this minimum set is then expanded based on dependencies to produce a package solution -\pause \item variety of formats (tar.bz2, ext2, ext3, jffs, \dots) are supported \end{itemize} \end{frame} -\begin{frame}[fragile] -\frametitle{prepare environment} -\begin{itemize} -\item bitbake is typically not installed into regular search paths -\pause -\item the environment of the bash is modified to find the commands -\pause -\item non-bash shells are not supported -\end{itemize} -\pause -\begin{verbatim} -% . ./oe-init-buildenv -\end{verbatim} -\begin{itemize} -\item is used to modify the environment and change the CWD to -\item ./oe-init-buildenv-memres is used to keep the bitbake-server running -\end{itemize} -\end{frame} - \begin{frame}[fragile] \frametitle{build a predefined image} \begin{verbatim} @@ -1098,45 +1019,10 @@ bitbake -c devshell use ./configure and make to debug build issues \end{frame} -\begin{frame}[fragile] -\frametitle{inspect builds using toaster} -start toaster web application -\begin{verbatim} -poky/build % source toaster start -\end{verbatim} -\pause -run bitbake - -\vspace{2em} -\pause -use 'http://localhost:8000' to browse through the build informations -\pause -\begin{verbatim} -poky/build % source toaster stop -\end{verbatim} -is used to stop toaster (only one toaster per pc possible) -\vspace{2em} -\pause - -only actions between toaster start and stop are recorded -\end{frame} - -\begin{frame} - \includegraphics[height=\textheight]{images/yocto-toaster1} -\end{frame} - -\begin{frame} - \includegraphics[height=\textheight]{images/yocto-toaster2} -\end{frame} - -\begin{frame} - \includegraphics[height=\textheight]{images/yocto-toaster3} -\end{frame} - \begin{frame}[fragile] \frametitle{cleanup} \begin{verbatim} -% bitbake -c core-image-minimal +% bitbake -c clean core-image-minimal \end{verbatim} \pause \begin{itemize} @@ -1145,7 +1031,6 @@ only actions between toaster start and stop are recorded \item triggers repackaging of all packages \end{itemize} - \vspace{2em} \pause To start from scratch backup the conf directory -- cgit v1.2.3 From f9ca79e5fc2c100aca5ab16628677a92aa57f566 Mon Sep 17 00:00:00 2001 From: Manuel Traut Date: Wed, 13 Jan 2016 18:13:02 +0100 Subject: yocto-basic: user eclipse kepler and yocto-2.0 yocto eclipse plugin for mars release is broken Signed-off-by: Manuel Traut --- distribution/yocto-basic/pres_yocto-basic.tex | 19 +++++++++++++------ 1 file changed, 13 insertions(+), 6 deletions(-) (limited to 'distribution/yocto-basic/pres_yocto-basic.tex') diff --git a/distribution/yocto-basic/pres_yocto-basic.tex b/distribution/yocto-basic/pres_yocto-basic.tex index c0df453..e5b7129 100644 --- a/distribution/yocto-basic/pres_yocto-basic.tex +++ b/distribution/yocto-basic/pres_yocto-basic.tex @@ -781,6 +781,13 @@ that is used by the Board .conf file \begin{frame}[fragile] \frametitle{build a predefined image} +edit the local build configuration './conf/local.conf' +\begin{verbatim} +DL_DIR ?= "${TOPDIR}/../downloads" +PACKAGE_CLASSES ?= "package_deb" +EXTRA_IMAGE_FEATURES = "debug-tweaks eclipse-debug tools-profile tools-debug" +\end{verbatim} +and start the image build \begin{verbatim} % bitbake core-image-minimal \end{verbatim} @@ -1130,8 +1137,8 @@ poky/build % bitbake -c populate_sdk core-image-minimal \pause to install the toolchain: \begin{verbatim} -% ./tmp/deploy/sdk/poky-eglibc-x86\_64-meta-toolchain-i586-toolchain-1.6.1.sh -Enter target directory for SDK (default: /opt/poky/1.6.1): /home/devel/sdk +% ./tmp/deploy/sdk/poky-eglibc-x86\_64-meta-toolchain-i586-toolchain-2.0.sh +Enter target directory for SDK (default: /opt/poky/2.0): /home/devel/sdk \end{verbatim} \pause to use the toolchain: @@ -1203,7 +1210,7 @@ configuration for each supported BSP \frametitle{run ADT installer} \begin{verbatim} adt-installer % ./adt_installer -Please enter the install location (default: /opt/poky/1.6.1): +Please enter the install location (default: /opt/poky/2.0): ... [ADT_INST] Please enter your selections here: S @@ -1212,7 +1219,7 @@ S \pause to use the ADT, the environment needs to be sourced: \begin{verbatim} -% . /opt/poky/1.6.1/environment-setup-i586-poky-linux +% . /opt/poky/2.0/environment-setup-i586-poky-linux \end{verbatim} \end{frame} @@ -1231,7 +1238,7 @@ install and start eclipse: \pause add the yocto update-site (Help, Install New Software, Add\dots) \begin{verbatim} -http://downloads.yoctoproject.org/releases/eclipse-plugin/1.6/kepler/ +http://downloads.yoctoproject.org/releases/eclipse-plugin/2.0/kepler/ \end{verbatim} select and install all components, by clicking 'Next, Next, Accept Licenses, Finish, Accept installing from insecure source, @@ -1278,7 +1285,7 @@ select 'Kepler' as update site and select 'Linux Tools' and \item select 'Program, qemu\_i586-poky' \item edit the arguments that they match: \begin{verbatim} --e "source /opt/poky/1.6.1/environment-setup-i586-poky- +-e "source /opt/poky/2.0/environment-setup-i586-poky- linux;runqemu qemux86 /home/local/adt-installer/download_image/ bzImage-qemux86.bin /home/local/sdk/core-image-minimal ;bash" \end{verbatim} -- cgit v1.2.3 From 8a80c5e9576263f1e262d7adb2b4aa4d6966b78f Mon Sep 17 00:00:00 2001 From: Manuel Traut Date: Fri, 22 Jan 2016 16:28:30 +0100 Subject: improve ordering of yocto basic slides Signed-off-by: Manuel Traut --- distribution/yocto-basic/pres_yocto-basic.tex | 179 ++++---------------------- 1 file changed, 25 insertions(+), 154 deletions(-) (limited to 'distribution/yocto-basic/pres_yocto-basic.tex') diff --git a/distribution/yocto-basic/pres_yocto-basic.tex b/distribution/yocto-basic/pres_yocto-basic.tex index e5b7129..77b17fc 100644 --- a/distribution/yocto-basic/pres_yocto-basic.tex +++ b/distribution/yocto-basic/pres_yocto-basic.tex @@ -30,10 +30,6 @@ % cd poky % git checkout origin/jethro -b jethro -t \end{verbatim} -\begin{itemize} -\item is used to modify the environment and change the CWD to -\item ./oe-init-buildenv-memres is used to keep the bitbake-server running -\end{itemize} \end{frame} @@ -401,13 +397,9 @@ $ bitbake -e | grep FILESPATH \item patches are applied in the order they appear in SRC\_URI \item quilt is used to apply the patches \end{itemize} -\pause -standard options \begin{description} \item[apply=no] apply patch or not; default is yes -\pause \item[striplevel=0] striplevel to use when applying a patch; default is 1 -\pause \item[patchdir=\${S}/foo] directory in which the patch should be applied; default is \${S} \end{description} @@ -415,7 +407,6 @@ standard options \begin{frame} \frametitle{SRC\_URI patch options \#2} -specific options \begin{description} \item[mindate] apply patch only if SRCDATE \footnote{The date of the source code used to build the package. @@ -507,16 +498,11 @@ an append file must be named after the base package: \frametitle{download \& patch} \begin{description} \item [do\_checkuri] validates the SRC\_URI value -\pause \item [do\_checkuriall] validates the SRC\_URI value for all recipes required to build a target" -\pause \item [do\_fetch] fetches the source code -\pause \item [do\_fetchall] fetches all remote sources required to build a target -\pause \item [do\_unpack] unpacks the source code into a working directory -\pause \item [do\_patch] locates patch files and applies them to the source code \end{description} \end{frame} @@ -526,15 +512,11 @@ an append file must be named after the base package: \begin{description} \item [do\_configure] configures the source by enabling and disabling any build-time and configuration options for the software being built -\pause \item [do\_configure\_ptest\_base] configures the runtime test suite included in the software being built -\pause \item [do\_compile] compiles the source in the compilation directory -\pause \item [do\_install] copies files from the compilation directory to a holding area -\pause \item [do\_populate\_sysroot] copies a subset of files installed by do\_install into the sysroot in order to make them available to other recipes @@ -546,25 +528,18 @@ an append file must be named after the base package: \begin{description} \item [do\_packagedata] creates package metadata used by the build system to generate the final packages -\pause \item [do\_package] analyzes the content of the holding area and splits it into subsets based on available packages and files -\pause \item [do\_package\_write] creates the actual packages and places them in the Package Feed area -\pause \item [do\_package\_write\_deb] creates the actual DEB packages and places them in the Package Feed area -\pause \item [do\_package\_write\_ipk] creates the actual IPK packages and places them in the Package Feed area -\pause \item [do\_package\_write\_rpm] creates the actual RPM packages and places them in the Package Feed area -\pause \item [do\_package\_write\_tar] creates tar archives for packages and places them in the Package Feed area -\pause \item [do\_package\_index] creates or updates the index in the Package Feed area \end{description} @@ -575,12 +550,9 @@ an append file must be named after the base package: \begin{description} \item [do\_rootfs] creates the root filesystem (file and directory structure) for an image -\pause \item [do\_vmdkimg] creates a .vmdk image for use with VMware and compatible virtual machine hosts" -\pause \item [do\_deploy] writes deployable output files to the deploy directory -\pause \item [do\_populate\_sdk] creates the file and directory structure for an installable SDK \end{description} @@ -590,16 +562,12 @@ an append file must be named after the base package: \frametitle{cleanup} \begin{description} \item [do\_clean] removes all output files for a target -\pause \item [do\_cleanall] removes all output files, shared state cache, and downloaded source files for a target -\pause \item [do\_cleansstate] removes all output files and shared state cache for a target -\pause \item [do\_rm\_work] removes work files after the build system has finished with them -\pause \item [do\_rm\_work\_all] top-level task for removing work files after the build system has finished with them \end{description} @@ -610,24 +578,17 @@ an append file must be named after the base package: \begin{description} \item [do\_kernel\_checkout] checks out source/meta branches for a linux-yocto style kernel -\pause \item [do\_validate\_branches] ensures that the source/meta branches are on the locations specified by their SRCREV values for a linux-yocto style kernel" -\pause \item [do\_kernel\_configme] assembles the kernel configuration for a linux-yocto style kernel -\pause \item [do\_menuconfig] runs 'make menuconfig' for the kernel -\pause \item [do\_diffconfig] compares the old and new config files after running do\_menuconfig for the kernel -\pause \item [do\_savedefconfig] creates a minimal Linux kernel configuration file -\pause \item [do\_kernel\_configcheck] validates the kernel configuration for a linux-yocto style kernel -\pause \item [do\_sizecheck] checks the size of the kernel image against KERNEL\_IMAGE\_MAXSIZE (if set) \end{description} @@ -638,12 +599,9 @@ an append file must be named after the base package: \begin{description} \item [do\_compile\_kernelmodules] compiles loadable modules for the Linux kernel -\pause \item [do\_strip] strips unneeded sections out of the Linux kernel image -\pause \item [do\_kernel\_link\_vmlinux] creates a symbolic link in arch/\$arch/boot for vmlinux kernel images -\pause \item [do\_bundle\_initramfs] combines an initial ramdisk image and kernel together to form a single image \end{description} @@ -654,7 +612,6 @@ an append file must be named after the base package: \begin{description} \item [do\_populate\_lic] writes license information for the recipe that is collected later when the image is constructed -\pause \item [do\_spdx] a build stage that takes the source code and scans it on a remote FOSSOLOGY server in order to produce an SPDX document \end{description} @@ -665,13 +622,10 @@ an append file must be named after the base package: \begin{description} \item [do\_uboot\_mkimage] creates a uImage file from the kernel for the U-Boot bootloader -\pause \item [do\_generate\_qt\_config\_file] writes a qt.conf file for building a Qt-based application -\pause \item [do\_devshell] starts a shell with the environment set up for development/debugging -\pause \item [do\_listtasks] lists all defined tasks for a target \end{description} \end{frame} @@ -682,12 +636,9 @@ an append file must be named after the base package: a machine config is used to describe a board \begin{itemize} \item machine configs are stored in the layers: conf/machine/* -\pause \item settings can be splitted in different include *.inc files -\pause \item e.g. one include for CPU that is used by the SoC inc file, that is used by the Board .conf file -\pause \item the include files can be stored in different layers \end{itemize} \end{frame} @@ -697,15 +648,10 @@ that is used by the Board .conf file \begin{description} \item [UBOOT\_MACHINE] value passed on the make command line when building a U-Boot image -\pause \item [UBOOT\_MAKE\_TARGET] target called in the Makefile -\pause \item [UBOOT\_ENTRYPOINT] entry point for the U-Boot image -\pause \item [PREFERRED\_PROVIDER\_virtual/kernel] default kernel -\pause \item [KERNEL\_DEVICETREE] default devicetree -\pause \item [KERNEL\_IMAGETYPE] type of kernel to build for a device, defaults to 'zImage' \end{description} @@ -716,21 +662,17 @@ that is used by the Board .conf file \begin{description} \item[SOC\_FAMILY] groups together machines based upon the same family of SOC (System On Chip) -\pause \item [MACHINEOVERRIDES] lists overrides specific to the current machine. By default, this list includes the value of MACHINE. This can be used in recipes; e.g. MACHINEOVERRIDES =. "mymachine" and in the recipe SRC\_URI\_append\_mymachine = "file://mymachine-quirk.patch" -\pause \item [MACHINE\_FEATURES] list of hardware features the MACHINE supports \footnote{acpi, alsa, apm, bluetooth, ext2, irda, keyboard, pci, pcmcia, screen, serial, touchscreen, usbgadget, usbhost, wifi} -\pause \item [MACHINE\_EXTRA\_RRECOMMENDS] list of machine-specific packages to install as part of the image being built that are not essential for booting the machine. The image being built has no build dependencies on the packages in this list. -\pause \item [SERIAL\_CONSOLE] speed and device for the serial port used to attach the serial console. This variable is given to the kernel as the 'console' parameter. After booting occurs, getty is started on that port so remote @@ -742,11 +684,8 @@ that is used by the Board .conf file \frametitle{compiler settings} \begin{description} \item [DEFAULTTUNE] e.g. armv6hf or cortexa8hf-neon, x86-64, \dots -\pause \item [TUNE\_FEATURES] e.g. "armv7a vfp neon" -\pause \item [TUNEVALID] Descriptions, stored as flags, of valid tuning features -\pause \item [TUNECONFLICTS] list of conflicting features for a given feature \end{description} \end{frame} @@ -755,11 +694,8 @@ that is used by the Board .conf file \frametitle{software} \begin{description} \item [PREFERRED\_VERSION\_xserver-xorg] compatible xserver version -\pause \item [PREFERRED\_PROVIDER\_virtual/kernel] recommended kernel -\pause \item [IMAGE\_FSTYPES] formats for the rootfs, e.g. "ext3 tar.bz2" -\pause \item [IMAGE\_CLASSES] list of classes that all images should inherit, default is image\_types, e.g. to hook in own image generation code \end{description} @@ -943,20 +879,13 @@ tmp/deploy/ \begin{frame}[fragile] \frametitle{inspect the build} \begin{verbatim} -tmp/ -... -├── log/cooker/qemux86/20140827121546.log +├── % cat sstate-control/manifest-. +| /home/devel/poky/build/tmp/sysroots/x86_64-linux/usr/include/zconf.h +| /home/devel/poky/build/tmp/sysroots/x86_64-linux/usr/include/zlib.h +| /home/devel/poky/build/tmp/sysroots/x86_64-linux/usr/lib/libz.so.1 \end{verbatim} \pause \begin{verbatim} -├── sstate-control/manifest-. -| /home/local/src/poky/build2/tmp/sysroots/x86_64-linux/usr/include/zconf.h -| /home/local/src/poky/build2/tmp/sysroots/x86_64-linux/usr/include/zlib.h -| /home/local/src/poky/build2/tmp/sysroots/x86_64-linux/usr/lib/libz.so.1 -\end{verbatim} -\pause -\begin{verbatim} -├── stamps # cache files ├── sysroots # for the differnet architectures \end{verbatim} \pause @@ -971,28 +900,6 @@ tmp/ \end{verbatim} \end{frame} -\begin{frame}[fragile] -\frametitle{inspect the build} -\begin{verbatim} -tmp/ -└── work-shared -\end{verbatim} -For efficiency, the OpenEmbedded build system creates and uses this directory -to hold recipes that share a work directory with other recipes. - - -\vspace{2em} -In practice, this is only used for gcc and its variants. -\end{frame} - -\begin{frame}[fragile] -\frametitle{inspect the build} -\begin{verbatim} -downloads/ -\end{verbatim} -all fetched source tarballs -\end{frame} - \begin{frame}[fragile] \frametitle{execute a specific task} \begin{verbatim} @@ -1012,7 +919,7 @@ dependency graphs (sucks because they're really huge) bitbake -g \end{verbatim} \pause -dependency explorer +it is better to use the dependency explorer \begin{verbatim} bitbake -g -u depexp \end{verbatim} @@ -1039,9 +946,9 @@ use ./configure and make to debug build issues \end{itemize} \vspace{2em} -\pause To start from scratch backup the conf directory -and remove everything from build. +and remove everything from build. Otherwise +sstate-cache will be used. \end{frame} \begin{frame}[fragile] @@ -1056,7 +963,7 @@ and remove everything from build. \item removes downloaded files \item removes data from work and sysroot directory \item doesn't remove data from sstate -\item triggers nothing, files from sstate are used +\item triggers restoring files from sstate-cache \end{itemize} \end{frame} @@ -1071,8 +978,9 @@ and remove everything from build. \item removes deployed files \item removes downloaded files \item removes data from work and sysroot directory -\item removes data from sstate +\item removes data from sstate-cache \item triggers fetch, compilation and packaging of the component +\item BUT changes will not be in the image \end{itemize} \end{frame} @@ -1127,7 +1035,7 @@ Profiling Tools \end{frame} \begin{frame}[fragile] -\frametitle{build a external usable toolchain} +\frametitle{build an external usable toolchain} \begin{verbatim} poky/build % bitbake meta-toolchain # OR to include headers and static version of all used libraries @@ -1137,31 +1045,31 @@ poky/build % bitbake -c populate_sdk core-image-minimal \pause to install the toolchain: \begin{verbatim} -% ./tmp/deploy/sdk/poky-eglibc-x86\_64-meta-toolchain-i586-toolchain-2.0.sh +% ./tmp/deploy/sdk/poky-glibc-x86\_64-meta-toolchain-i586-toolchain-2.0.sh Enter target directory for SDK (default: /opt/poky/2.0): /home/devel/sdk \end{verbatim} \pause to use the toolchain: \begin{verbatim} -source /home/local/sdk/environment-setup-i586-poky-linux +source /home/devel/sdk/environment-setup-i586-poky-linux \end{verbatim} \end{frame} \begin{frame}[fragile] -\frametitle{build a internal usable toolchain} +\frametitle{export a nfsroot} \begin{verbatim} -poky/build % bitbake meta-ide-support +poky/build % runqemu-extract-sdk \ +tmp/deploy/images/qemux86/core-image-minimal-qemux86.tar.bz2 \ +~/sdk/core-image-minimal \end{verbatim} -\vspace{2em} \end{frame} \begin{frame}[fragile] -\frametitle{export a nfsroot} +\frametitle{build a internal usable toolchain} \begin{verbatim} -poky/build % runqemu-extract-sdk \ -tmp/deploy/images/qemux86/core-image-minimal-qemux86.tar.bz2 \ -~/sdk/core-image-minimal +poky/build % bitbake meta-ide-support \end{verbatim} +\vspace{2em} \end{frame} \begin{frame}[fragile] @@ -1182,11 +1090,8 @@ general configuration \begin{description} \item[YOCTOADT\_REPO] http repo with rootfs images and ipkg packages. Needs to match the layout from 'http://adtrepo.yoctoproject.org' -\pause \item[YOCTOADT\_TARGETS] machine target architectures to setup cross SDKs -\pause \item[YOCTOADT\_QEMU] install qemu? \[Y/N\] -\pause \item[YOCTOADT\_NFS\_UTIL] needed for eclipse \[Y/N\] \end{description} \end{frame} @@ -1196,11 +1101,8 @@ general configuration configuration for each supported BSP \begin{description} \item[YOCTOADT\_TARGET\_MACHINE\_] qemu that should be used, e.g. qemux86 -\pause \item[YOCTOADT\_ROOTFS\_] rfs images that should be used, e.g. sato-sdk -\pause \item[YOCTOADT\_TARGET\_SYSROOT\_] needs to match above variable -\pause \item[YOCTOADT\_TARGET\_SYSROOT\_LOC\_] path where the sysroot will be stored \end{description} @@ -1225,10 +1127,6 @@ to use the ADT, the environment needs to be sourced: \begin{frame}[fragile] \frametitle{ADT \& Eclipse} -only supported eclipse releases: kepler \& juno - - -\vspace{2em} install and start eclipse: \begin{verbatim} % wget http://ftp.fau.de/eclipse/technology/epp/downloads/release/kepler/R/eclipse-cpp-kepler-R-linux-gtk.tar.gz @@ -1238,9 +1136,10 @@ install and start eclipse: \pause add the yocto update-site (Help, Install New Software, Add\dots) \begin{verbatim} -http://downloads.yoctoproject.org/releases/eclipse-plugin/2.0/kepler/ +http://downloads.yoctoproject.org/releases/eclipse-plugin/1.9/kepler/ \end{verbatim} select and install all components, by clicking + 'Next, Next, Accept Licenses, Finish, Accept installing from insecure source, and accept to restart eclipse' \pause @@ -1255,11 +1154,9 @@ select 'Kepler' as update site and select 'Linux Tools' and \begin{itemize} \item select 'Window, Preferences, Yocto Project ADT' \item select 'Standalone pre-built toolchain' - \item set Toolchain Root Location '/home/devel/src/poky/build' - \item set Sysroot Location '/home/devel/poky/build/tmp/sysroots/qemux86' - \item use 'QEMU' as 'Target Options' - \item set Kernel to - '/home/devel/adt-installer/download\_image/bzImage-qemux86.bin' + \item set Toolchain Root Location '/home/devel/sdk' + \item set Sysroot Location '/home/devel/sdk/core-image-minimal' + \item use 'native' as 'Target Options' \item 'Apply' the Settings and close the dialog with 'OK' \end{itemize} \end{frame} @@ -1278,41 +1175,15 @@ select 'Kepler' as update site and select 'Linux Tools' and \end{itemize} \end{frame} -\begin{frame}[fragile] -\frametitle{start qemu} -\begin{itemize} - \item select 'Run, External Tools, External Tools Configurations\dots' - \item select 'Program, qemu\_i586-poky' - \item edit the arguments that they match: -\begin{verbatim} --e "source /opt/poky/2.0/environment-setup-i586-poky- -linux;runqemu qemux86 /home/local/adt-installer/download_image/ -bzImage-qemux86.bin /home/local/sdk/core-image-minimal ;bash" -\end{verbatim} - \item select 'Apply, Run' -\end{itemize} -Attention! This starts a NFS Server on a user port that listens on all network -interfaces of the PC -\end{frame} - \begin{frame} \frametitle{remote execution and debugging} \begin{itemize} \item switch to 'Remote System Explorer' perspective - \pause \item create a new 'TCF' connection - \pause \item switch to 'C/C++' perspective and select 'Run / Debug Configurations' - \pause \item select the preconfigured 'C/C++ Application' and select the correct 'Connection' - \pause \item set 'Remote Absolute File Path' to sth. like '/usr/bin/' - \pause - \item select the 'Debugger' tab and set 'gdb' to the deugger of your - toolchain; e.g. - '/home/devel/poky/build/tmp/sysroots/x86\_64-linux/usr/bin/i586-poky-linux-none/i586-poky-linux-gnueabi-gdb' - \pause \item select 'Apply', 'Debug' - Next time you can use this preconfigured debug configuration \end{itemize} -- cgit v1.2.3 From 7032a45ced955efc7d369b3ccf6491654d6549b0 Mon Sep 17 00:00:00 2001 From: Manuel Traut Date: Tue, 17 May 2016 15:55:39 +0200 Subject: yocto-basics: split slides Signed-off-by: Manuel Traut --- distribution/Kconfig | 1 + distribution/yocto-basic/pres_yocto-basic.tex | 1175 +------------------- distribution/yocto-basic/yocto-adt.tex | 193 ++++ .../yocto-basic/yocto-imgbuild-predefined.tex | 13 + distribution/yocto-basic/yocto-imgbuild1.tex | 13 + distribution/yocto-basic/yocto-imgbuild2.tex | 265 +++++ distribution/yocto-basic/yocto-workflow.tex | 681 ++++++++++++ lx-trainer-vm/dd-dual.sh | 10 + lx-trainer-vm/dd-single.sh | 7 +- lx-trainer-vm/dd.sh | 25 +- 10 files changed, 1201 insertions(+), 1182 deletions(-) create mode 100644 distribution/yocto-basic/yocto-adt.tex create mode 100644 distribution/yocto-basic/yocto-imgbuild-predefined.tex create mode 100644 distribution/yocto-basic/yocto-imgbuild1.tex create mode 100644 distribution/yocto-basic/yocto-imgbuild2.tex create mode 100644 distribution/yocto-basic/yocto-workflow.tex (limited to 'distribution/yocto-basic/pres_yocto-basic.tex') diff --git a/distribution/Kconfig b/distribution/Kconfig index 1cc108e..ffac90f 100644 --- a/distribution/Kconfig +++ b/distribution/Kconfig @@ -16,4 +16,5 @@ if YOCTO source "distribution/yocto-intro/Kconfig" source "distribution/yocto-basic/Kconfig" source "distribution/yocto-advanced/Kconfig" + source "distribution/yocto-x86/Kconfig" endif diff --git a/distribution/yocto-basic/pres_yocto-basic.tex b/distribution/yocto-basic/pres_yocto-basic.tex index 77b17fc..b779a1d 100644 --- a/distribution/yocto-basic/pres_yocto-basic.tex +++ b/distribution/yocto-basic/pres_yocto-basic.tex @@ -18,1175 +18,10 @@ \end{itemize} \end{frame} -\subsection{Workflow} -\begin{frame}[fragile] -\includegraphics[width=\textwidth]{images/yocto-workflow} -\end{frame} - -\begin{frame}[fragile] -\frametitle{retrieve poky} -\begin{verbatim} -% git clone http://git.yoctoproject.org/git/poky -% cd poky -% git checkout origin/jethro -b jethro -t -\end{verbatim} -\end{frame} - - -\begin{frame}[fragile] -\frametitle{prepare environment} -\begin{itemize} -\item bitbake is typically not installed into regular search paths -\item the environment of the bash is modified to find the commands -\item non-bash shells are not supported -\end{itemize} -\begin{verbatim} -% . ./oe-init-buildenv -\end{verbatim} -\begin{itemize} -\item is used to modify the environment and change the CWD to -\item ./oe-init-buildenv-memres is used to keep the bitbake-server running -\end{itemize} -\end{frame} - -\begin{frame} -\frametitle{classes} -\begin{itemize} -\item denoted by the .bbclass extension -\item base.bbclass is automatically included by all other classes and recipes. -\item common tasks and there execution order is defined in base.bbclass -\item tasks can be added, overridden, extended or used by other classes -\end{itemize} -\end{frame} - -\begin{frame} -\frametitle{recipes} -\begin{itemize} -\item a .bb file inherits classes and populates them with data -\item bitbake is used to schedule the tasks defined in a recipe -\end{itemize} -\end{frame} - -\begin{frame} -\frametitle{layers} -\begin{itemize} -\item a folder containing recipes, configs and classes -\item used to isolate different types of customizations from each other -\item e.g. own layer for machine specific stuff, one for own applications -\item extend, add, replace or modify recipes -\item add or replace class files -\item 'conf/layer.conf' is used to configure the layer -\item are added and ordered via BBLAYERS variable in build/conf/bblayers.conf -\item 'bitbake-layers show-layers' is used to show used layers -\end{itemize} -\end{frame} - -\begin{frame} -\frametitle{layers \#2} -layers should be grouped by functionality -\begin{itemize} -\item custom toolchains (compilers, debuggers, profiling tools) -\item distribution specifications (i.e. meta-yocto) -\item BSP/machine settings (i.e. meta-yocto-bsp) -\item functional areas (selinux, networking, etc) -\item project specific changes -\item a layer is typically organized as a git repository -\end{itemize} -\end{frame} - -\begin{frame}[fragile] - \frametitle{directory layout} - \begin{verbatim} -poky -├── bitbake -├── documentation -├── meta -├── meta-selftest -├── meta-skeleton -├── meta-yocto -├── meta-yocto-bsp -└── scripts -\end{verbatim} -\end{frame} - -\subsection{Variable assignments} -\begin{frame} -\frametitle{available operators} -\begin{itemize} -\item = -\item ?= -\item ??= -\item := -\item += / =+ -\item .= / =. -\end{itemize} -\end{frame} - -\begin{frame}[fragile] -\frametitle{variable assignment with =} -\begin{verbatim} -VAR = "value" -\end{verbatim} -\pause -\begin{itemize} - \item normal assignment - \item values need to be surrounded by double quotes -\end{itemize} -\end{frame} - -\begin{frame}[fragile] -\frametitle{early default assignment with ?=} -\begin{verbatim} -VAR ?= "1" -VAR ?= "2" -\end{verbatim} -\pause -\begin{itemize} - \item VAR is set to "1" in this example - \item if there are multiple assignments using ?= the first one is used -\end{itemize} -\end{frame} - -\begin{frame}[fragile] -\frametitle{late default assignment with ??=} -\begin{verbatim} -VAR ??= "1" -VAR ??= "2" -\end{verbatim} -\pause -\begin{itemize} - \item VAR is set to "2" in this example - \item if there are multiple assignments using ??= the last one is used -\end{itemize} -\end{frame} - -\begin{frame}[fragile] -\frametitle{assignment priorities \#1} -\begin{verbatim} -VAR_A ??= "12" -VAR_A ?= "34" - -VAR_B ?= "12" -VAR_B ??= "34" -\end{verbatim} -\pause -\begin{itemize} - \item VAR\_A contains "34" - \item VAR\_B contains "12" -\end{itemize} -\end{frame} - -\begin{frame}[fragile] -\frametitle{assignment priorities \#2} -\begin{verbatim} -VAR ?= "12" -VAR ??= "34" -VAR = "56" -VAR ?= "78" -VAR ??= "78" -\end{verbatim} -\pause -\begin{itemize} - \item VAR contains "56" -\end{itemize} -\end{frame} - -\begin{frame}[fragile] -\frametitle{immediate variable expansion with :=} -\begin{verbatim} -VAR_A = "11" -VAR_B = "B:${VAR_A}" -VAR_A = "22" -VAR_C := "C:${VAR_A}" -VAR_A = "33" -echo ${VAR_A} ${VAR_B} ${VAR_C} -\end{verbatim} -\pause -\begin{itemize} - \item 33 B:33 C:22 - \item the content of VAR\_C is expanded immediately on assignment - \item the content of VAR\_B is expanded on use -\end{itemize} -\end{frame} - -\begin{frame}[fragile] -\frametitle{append (+=) or prepend (=+) a variable} -\begin{verbatim} -VAR_A = "12" -VAR_A += "34" -VAR_B = "56" -VAR_B =+ "78" -\end{verbatim} -\pause -\begin{itemize} - \item VAR\_A contains "12 34" - \item VAR\_B contains "78 56" - \item there are spaces between the appended values -\end{itemize} -\end{frame} - -\begin{frame}[fragile] -\frametitle{append (.=) or prepend (=.) a variable} -\begin{verbatim} -VAR_A = "12" -VAR_A .= "34" -VAR_B = "56" -VAR_B =. "78" -\end{verbatim} -\pause -\begin{itemize} - \item VAR\_A contains "1234" - \item VAR\_B contains "7856" - \item there are no spaces between the appended values -\end{itemize} -\end{frame} - -\begin{frame}[fragile] -\frametitle{assignment debugging} -\begin{verbatim} -$ echo 'FOO ??= "123"' >> conf/local.conf -$ echo 'FOO ?= "456"' >> conf/local.conf - -$ bitbake -e | grep FOO -# $FOO [2 operations] -FOO="456" -\end{verbatim} -\end{frame} - -\subsection{Recipes} -\begin{frame} -\frametitle{typical progressing} -\begin{enumerate} -\item fetch source files -\item extract sources -\item patch sources -\item configure sources -\item compilation -\item packaging -\end{enumerate} -\end{frame} - -\begin{frame}[fragile] -\frametitle{skeleton} -\begin{verbatim} -SUMMARY = "short description of the package (1 line)" -DESCRIPTION = "a long version of the description of the package" -HOMEPAGE = "http://url-of-the-os-project.org" -LICENSE = "LGPLv2.1" - -LIC_FILES_CHKSUM = "file://COPYING;md5=xxxx \ - file://licfile1.txt;beginline=5;endline=29;md5=yyyy \ - file://licfile2.txt;endline=50;md5=zzzz - -SRC_URI = "file://mysw-1.0.tbz" -SRC_URI[md5sum] = "xxx" -SRC_URI[sha256sum] = "yyy" - -S = "${WORKDIR}/${PN}-${PV}" - -inherit autotools -\end{verbatim} -\end{frame} - -\begin{frame} -\frametitle{syntax} -a recipe normaly consists of a human readable description of the project and -references to the open-source project and: -\begin{description} -\item[LIC*] reference to the used licenses -\item[SRC\_URI] list of source files (local or remote) -\item[PV] package-version (retrived from filename name\_version.bb) -\item[PN] package-name (retrived from filename name\_version.bb) -\item[P] ${PN}-${PV} -\item[S] The location in the Build Directory where unpacked recipe source code resides. -\item[inherit] use a class (or multiple classes) -\end{description} -\end{frame} - -\begin{frame} -\frametitle{the LICENSE variable} -list of source licenses for the recipe: -\begin{itemize} -\item do not use spaces within individual license names -\item use spaces between license names -\item separate license names using | (pipe) when there is a choice between - licenses -\item separate license names using \& (AND) if parts of the code are licensed - with different licenses -\item for standard licenses, use the names of the files in - meta/files/common-licenses/ or the SPDXLICENSEMAP - \footnote{aps commonly used license names to their SPDX counterparts found in - meta/files/common-licenses/. For the default SPDXLICENSEMAP mappings, see the - meta/conf/licenses.conf file} - flag names defined in meta/conf/licenses.conf -\item use "CLOSED" for closed source software - (LIC\_FILES\_CHKSUM is not needed to be defined then) -\end{itemize} -\end{frame} - -\begin{frame} -\frametitle{LIC\_FILE\_CHKSUM variable} -Checksums of the license text in the recipe source code. -\vspace{2em} - - -This variable tracks changes in license text of the source code files. -If the license text is changed, it will trigger a build failure, -which gives the developer an opportunity to review any license change. -\end{frame} - -\begin{frame}[fragile] -\frametitle{SRC\_URI variable} -\begin{verbatim} -SRC_URI = ":///;;" -\end{verbatim} -\pause -multiple urls can be set in a SRC\_URI variable: -\begin{verbatim} -SRC_URI = ";name=url1 ;name=url2" -\end{verbatim} -for each url a md5 and sha256 checksum needs to be added: -\begin{verbatim} -SRC_URI[url1.md5sum] = xxx -SRC_URI[url1.sha256sum] = yyy -SRC_URI[url2.md5sum] = zzz -SRC_URI[url2.sha256sum] = xyz -\end{verbatim} -To get these checksums don't specify them and run a build and copy them from -the error message. (Don't use md5sum or sha256sum on the commandline; they -produce a different checksum.) -\end{frame} - -\begin{frame}[fragile] -\frametitle{local SRC\_URI (file://)} -The path is relative to the FILESPATH variable. To modify the FILESPATH use -FILESEXTRAPATH. -\vspace{2em} - - -Additional files are searched in subdirectories of the directory in which the -recipe file (.bb) or append file (.bbappend) resides. - -To find out which paths can be used, it is best practice to use -\begin{verbatim} -$ bitbake -e | grep FILESPATH -\end{verbatim} -\end{frame} - -\begin{frame} -\frametitle{remote SRC\_URI} -\begin{description} -\item[bzr://]Bazaar revision control repository -\item[git://]Git revision control repository -\item[osc://]OSC (OpenSUSE Build service) revision control repository -\item[ccrc://]ClearCase repository -\item[http://]Internet using http -\item[https://]Internet using https -\item[ftp://]Internet using ftp -\item[cvs://]CVS revision control repository -\item[hg://]Mercurial (hg) revision control repository -\item[p4://]Perforce (p4) revision control repository -\item[ssh://]secure shell -\item[svn://]Subversion (svn) revision control repository -\end{description} -\end{frame} - -\begin{frame} -\frametitle{SRC\_URI patch options} -\begin{itemize} - \item patches are applied in the order they appear in SRC\_URI - \item quilt is used to apply the patches -\end{itemize} -\begin{description} -\item[apply=no] apply patch or not; default is yes -\item[striplevel=0] striplevel to use when applying a patch; default is 1 -\item[patchdir=\${S}/foo] directory in which the patch should be applied; - default is \${S} -\end{description} -\end{frame} - -\begin{frame} -\frametitle{SRC\_URI patch options \#2} -\begin{description} -\item[mindate] apply patch only if SRCDATE - \footnote{The date of the source code used to build the package. - This variable applies only if the source was fetched from a - Source Code Manager (SCM)} is equal to or greater than mindate -\item[maxdate] apply patch only if SRCDATE is not later than maxdate -\item[minrev] apply the patch only if SRCREV - \footnote{The revision of the source code used to build the package. - This variable applies to Subversion, Git, Mercurial and Bazaar only} - is equal to or greater than minrev -\item[maxrev] apply patch only if SRCREV is not later than maxrev -\item[rev] apply patch only if SRCREV is equal to rev -\item[notrev] apply patch only if SRCREV is not equal to rev -\end{description} -\end{frame} - -\begin{frame} -\frametitle{SRC\_URI options} -\begin{description} -\item[unpack=no] controls if an archive is unpacked; default is yes -\item[subdir=bla] places the file (or extracts its contents) into the - specified subdirectory of WORKDIR - \footnote{${TMPDIR}/work/${MULTIMACH\_TARGET\_SYS}/${PN}/${EXTENDPE}${PV}-${PR}; - eg. poky/build/tmp/work/qemux86-poky-linux/foo/1.3.0-r0} -\item[name=mydl] name to be used for association with SRC\_URI checksums when - you have more than one file specified in SRC\_URI -\item[downloadfilename=my.tar.gz] the filename used when storing the downloaded file -\end{description} -\end{frame} - -\begin{frame} -\frametitle{inherit} -inherit is used to use the functionality defined in a .bblcass file. Popular -predefined classes are: -\begin{itemize} -\item autotools -\item cmake -\item cpan -\item distutils / setuptools -\item kernel / module -\item mime -\item qmake / qmake2 -\item qt4e / qt4x11 -\item scons -\item systemd -\item u-boot -\item vala -\end{itemize} -\end{frame} - -\subsection{Append files} -\begin{frame} -\frametitle{basics} -\begin{itemize} - \item are typically used to modify or extend the functionality of the base - recipe - \item it's recommended by the Yocto project to use bbappend files instead - of copying and modyfiing a recipe in an own layer -\end{itemize} -\end{frame} - -\begin{frame}[fragile] -\frametitle{naming} -an append file must be named after the base package: -\begin{verbatim} -_.bbappend -\end{verbatim} -\end{frame} - -\subsection{Classes} -\begin{frame} -\frametitle{basics} -\begin{itemize} - \item python can be used to write functions - \item e.g. write your own image generation class -\end{itemize} -\end{frame} - -\subsection{Tasks} -\begin{frame} -\frametitle{basics} -\begin{itemize} - \item are defined and ordered in classes - \item can be overriden by classes and recipes -\end{itemize} -\end{frame} - -\begin{frame} - \frametitle{download \& patch} -\begin{description} -\item [do\_checkuri] validates the SRC\_URI value -\item [do\_checkuriall] validates the SRC\_URI value for all recipes required - to build a target" -\item [do\_fetch] fetches the source code -\item [do\_fetchall] fetches all remote sources required to build a target -\item [do\_unpack] unpacks the source code into a working directory -\item [do\_patch] locates patch files and applies them to the source code -\end{description} -\end{frame} - -\begin{frame} - \frametitle{configue \& compile} -\begin{description} -\item [do\_configure] configures the source by enabling and disabling any - build-time and configuration options for the software being built -\item [do\_configure\_ptest\_base] configures the runtime test suite included - in the software being built -\item [do\_compile] compiles the source in the compilation directory -\item [do\_install] copies files from the compilation directory to a holding - area -\item [do\_populate\_sysroot] copies a subset of files installed by - do\_install into the sysroot in order to make them available to other - recipes -\end{description} -\end{frame} - -\begin{frame} -\frametitle{packaging} -\begin{description} -\item [do\_packagedata] creates package metadata used by the build system to - generate the final packages -\item [do\_package] analyzes the content of the holding area and splits it - into subsets based on available packages and files -\item [do\_package\_write] creates the actual packages and places them in the - Package Feed area -\item [do\_package\_write\_deb] creates the actual DEB packages and places - them in the Package Feed area -\item [do\_package\_write\_ipk] creates the actual IPK packages and places - them in the Package Feed area -\item [do\_package\_write\_rpm] creates the actual RPM packages and places - them in the Package Feed area -\item [do\_package\_write\_tar] creates tar archives for packages and places - them in the Package Feed area -\item [do\_package\_index] creates or updates the index in the Package Feed - area -\end{description} -\end{frame} - -\begin{frame} - \frametitle{deploy} -\begin{description} -\item [do\_rootfs] creates the root filesystem (file and directory structure) - for an image -\item [do\_vmdkimg] creates a .vmdk image for use with VMware and compatible - virtual machine hosts" -\item [do\_deploy] writes deployable output files to the deploy directory -\item [do\_populate\_sdk] creates the file and directory structure for an - installable SDK -\end{description} -\end{frame} - -\begin{frame} -\frametitle{cleanup} -\begin{description} -\item [do\_clean] removes all output files for a target -\item [do\_cleanall] removes all output files, shared state cache, and - downloaded source files for a target -\item [do\_cleansstate] removes all output files and shared state cache for a - target -\item [do\_rm\_work] removes work files after the build system has finished - with them -\item [do\_rm\_work\_all] top-level task for removing work files after the - build system has finished with them -\end{description} -\end{frame} - -\begin{frame} -\frametitle{kernel} -\begin{description} -\item [do\_kernel\_checkout] checks out source/meta branches for a linux-yocto - style kernel -\item [do\_validate\_branches] ensures that the source/meta branches are on - the locations specified by their SRCREV values for a linux-yocto style - kernel" -\item [do\_kernel\_configme] assembles the kernel configuration for a - linux-yocto style kernel -\item [do\_menuconfig] runs 'make menuconfig' for the kernel -\item [do\_diffconfig] compares the old and new config files after running - do\_menuconfig for the kernel -\item [do\_savedefconfig] creates a minimal Linux kernel configuration file -\item [do\_kernel\_configcheck] validates the kernel configuration for a - linux-yocto style kernel -\item [do\_sizecheck] checks the size of the kernel image against - KERNEL\_IMAGE\_MAXSIZE (if set) -\end{description} -\end{frame} - -\begin{frame} -\frametitle{kernel} -\begin{description} -\item [do\_compile\_kernelmodules] compiles loadable modules for the Linux - kernel -\item [do\_strip] strips unneeded sections out of the Linux kernel image -\item [do\_kernel\_link\_vmlinux] creates a symbolic link in arch/\$arch/boot - for vmlinux kernel images -\item [do\_bundle\_initramfs] combines an initial ramdisk image and kernel - together to form a single image -\end{description} -\end{frame} - -\begin{frame} -\frametitle{licenses} -\begin{description} -\item [do\_populate\_lic] writes license information for the recipe that is - collected later when the image is constructed -\item [do\_spdx] a build stage that takes the source code and scans it on a - remote FOSSOLOGY server in order to produce an SPDX document -\end{description} -\end{frame} - -\begin{frame} -\frametitle{special stuff} -\begin{description} -\item [do\_uboot\_mkimage] creates a uImage file from the kernel for the - U-Boot bootloader -\item [do\_generate\_qt\_config\_file] writes a qt.conf file for building a - Qt-based application -\item [do\_devshell] starts a shell with the environment set up for - development/debugging -\item [do\_listtasks] lists all defined tasks for a target -\end{description} -\end{frame} - -\subsection{Machines} -\begin{frame} -\frametitle{basics} -a machine config is used to describe a board -\begin{itemize} - \item machine configs are stored in the layers: conf/machine/* - \item settings can be splitted in different include *.inc files - \item e.g. one include for CPU that is used by the SoC inc file, -that is used by the Board .conf file - \item the include files can be stored in different layers -\end{itemize} -\end{frame} - -\begin{frame} - \frametitle{u-boot \& kernel} -\begin{description} - \item [UBOOT\_MACHINE] value passed on the make command line when building a - U-Boot image - \item [UBOOT\_MAKE\_TARGET] target called in the Makefile - \item [UBOOT\_ENTRYPOINT] entry point for the U-Boot image - \item [PREFERRED\_PROVIDER\_virtual/kernel] default kernel - \item [KERNEL\_DEVICETREE] default devicetree - \item [KERNEL\_IMAGETYPE] type of kernel to build for a device, - defaults to 'zImage' -\end{description} -\end{frame} - -\begin{frame} - \frametitle{hardware} -\begin{description} - \item[SOC\_FAMILY] groups together machines based upon the same family of SOC - (System On Chip) - \item [MACHINEOVERRIDES] lists overrides specific to the current machine. - By default, this list includes the value of MACHINE. This can be used in - recipes; e.g. MACHINEOVERRIDES =. "mymachine" and in the recipe - SRC\_URI\_append\_mymachine = "file://mymachine-quirk.patch" - \item [MACHINE\_FEATURES] list of hardware features the MACHINE supports - \footnote{acpi, alsa, apm, bluetooth, ext2, irda, keyboard, pci, pcmcia, - screen, serial, touchscreen, usbgadget, usbhost, wifi} - \item [MACHINE\_EXTRA\_RRECOMMENDS] list of machine-specific packages to - install as part of the image being built that are not essential for booting - the machine. The image being built has no build dependencies on the packages - in this list. -\item [SERIAL\_CONSOLE] speed and device for the serial port used to attach - the serial console. This variable is given to the kernel as the 'console' - parameter. After booting occurs, getty is started on that port so remote - login is possible. - \end{description} -\end{frame} - -\begin{frame} -\frametitle{compiler settings} -\begin{description} -\item [DEFAULTTUNE] e.g. armv6hf or cortexa8hf-neon, x86-64, \dots -\item [TUNE\_FEATURES] e.g. "armv7a vfp neon" -\item [TUNEVALID] Descriptions, stored as flags, of valid tuning features -\item [TUNECONFLICTS] list of conflicting features for a given feature -\end{description} -\end{frame} - -\begin{frame} -\frametitle{software} -\begin{description} -\item [PREFERRED\_VERSION\_xserver-xorg] compatible xserver version -\item [PREFERRED\_PROVIDER\_virtual/kernel] recommended kernel -\item [IMAGE\_FSTYPES] formats for the rootfs, e.g. "ext3 tar.bz2" -\item [IMAGE\_CLASSES] list of classes that all images should inherit, default - is image\_types, e.g. to hook in own image generation code -\end{description} -\end{frame} - -\subsection{Images} -\begin{frame} -\frametitle{basics} -\begin{itemize} -\item images are constructed using the packages built earlier and put into the - Package Feeds -\item decisions of what to install on the image is based on the minimum - defined set of required components in an image recipe -\item this minimum set is then expanded based on dependencies to produce a - package solution -\item variety of formats (tar.bz2, ext2, ext3, jffs, \dots) are supported -\end{itemize} -\end{frame} - -\begin{frame}[fragile] -\frametitle{build a predefined image} -edit the local build configuration './conf/local.conf' -\begin{verbatim} -DL_DIR ?= "${TOPDIR}/../downloads" -PACKAGE_CLASSES ?= "package_deb" -EXTRA_IMAGE_FEATURES = "debug-tweaks eclipse-debug tools-profile tools-debug" -\end{verbatim} -and start the image build -\begin{verbatim} -% bitbake core-image-minimal -\end{verbatim} -\end{frame} - -\begin{frame}[fragile] -\frametitle{start the image} -\begin{verbatim} -% runqemu qemux86 core-image-minimal -\end{verbatim} -\end{frame} - -\begin{frame}[fragile] -\frametitle{inspect the build} -\begin{verbatim} -tmp/ -├── buildstats -├── cache -├── deploy -├── log -├── sstate-control -├── stamps -├── sysroots -├── work -└── work-shared -\end{verbatim} -\end{frame} - -\begin{frame}[fragile] -\frametitle{inspect the build} -\begin{verbatim} -tmp/buildstats/core-image-minimal-qemux86/201408271416/ -├── acl-2.2.52-r0 -├── acl-native-2.2.52-r0 -├── alsa-lib-native-1.0.27.2-r0 -├── attr-2.4.47-r0 -├── attr-native-2.4.47-r0 -├── autoconf-native-2.69-r11 -... -\end{verbatim} -\end{frame} - -\begin{frame}[fragile] -\frametitle{inspect the build} -\begin{verbatim} -tmp/buildstats/core-image-minimal-qemux86/201408271416/acl-2.2.52-r0/ -├── do_compile -├── do_compile_ptest_base -├── do_configure -├── do_configure_ptest_base -├── do_fetch -├── do_install -├── do_install_ptest_base -├── do_package -├── do_packagedata -├── do_package_write_rpm -├── do_patch -├── do_populate_lic -├── do_populate_sysroot -└── do_unpack -\end{verbatim} -\end{frame} - -\begin{frame}[fragile] -\frametitle{inspect the build} -\begin{verbatim} -408271416/acl-2.2.52-r0/do_unpack -Event: TaskStarted -Started: 1409143746.65 -acl-2.2.52-r0: do_unpack: Elapsed time: 0.22 seconds -CPU usage: 7.1% -EndIOinProgress: 0 -EndReadsComp: 973062 -EndReadsMerged: 543875573 -EndSectRead: 36860156 -EndSectWrite: 1158945211 -EndTimeIO: 30104972 -EndTimeReads: 5545878 -EndTimeWrite: 1455538600 -... -StartWritesComp: 12202741 -Status: PASSED -Ended: 1409143746.87 -\end{verbatim} -\end{frame} - -\begin{frame}[fragile] -\frametitle{inspect the build} -\begin{verbatim} -tmp/ -├── buildstats -├── cache -├── deploy -├── log -├── sstate-control -├── stamps -├── sysroots -├── work -└── work-shared -\end{verbatim} -\end{frame} - -\begin{frame}[fragile] -\frametitle{inspect the build} -\begin{verbatim} -tmp/deploy/ -├── images -│   └── qemux86 -│   ├── bzImage -> bzImage--3.14+git0+09424... -│   ├── core-image-minimal-qemux86-20140827121546.rootfs.ext3 -│   ├── core-image-minimal-qemux86-20140827121546.rootfs.manifest -│   ├── core-image-minimal-qemux86-20140827121546.rootfs.tar.bz2 -│   ├── core-image-minimal-qemux86.ext3 -> core-image... -│   ├── ... -\end{verbatim} -\end{frame} - -\begin{frame}[fragile] -\frametitle{inspect the build} -\begin{verbatim} -tmp/deploy/ -├── licenses -│   ├── acl -│ │ ├── COPYING -│ │ ├── COPYING.LGPL -│ │ ├── generic_GPLv2 -│ │ └── generic_LGPLv2.1 -│   ├── acl-native -│   ├── alsa-lib-native -│   ├── apr-native -│   ├── .. -\end{verbatim} -\end{frame} - -\begin{frame}[fragile] -\frametitle{inspect the build} -\begin{verbatim} -tmp/deploy/ -└── rpm - ├── all - │ ├── packagegroup-core-standalone-sdk-target-1.0-r8.all.rpm - │ ├── packagegroup-core-standalone-sdk-target-dbg-1.0-r8.all.rpm - │ ├── packagegroup-core-standalone-sdk-target-dev-1.0-r8.all.rpm - │ ├── repodata - │ ├── run-postinsts-1.0-r9.all.rpm - │ ├── ... - ├── i586 - ├── qemux86 - └── x86_64_nativesdk -\end{verbatim} -\end{frame} - -\begin{frame}[fragile] -\frametitle{inspect the build} -\begin{verbatim} -├── % cat sstate-control/manifest-. -| /home/devel/poky/build/tmp/sysroots/x86_64-linux/usr/include/zconf.h -| /home/devel/poky/build/tmp/sysroots/x86_64-linux/usr/include/zlib.h -| /home/devel/poky/build/tmp/sysroots/x86_64-linux/usr/lib/libz.so.1 -\end{verbatim} -\pause -\begin{verbatim} -├── sysroots # for the differnet architectures -\end{verbatim} -\pause -\begin{verbatim} -├── work # work directories / where the sources are built -| % ls tmp/work/qemux86-poky-linux/linux-yocto/3.14+gitAUTOINC+0942... -| deploy-linux-yocto linux packages-split -| deploy-rpms linux-qemux86-standard-build pkgdata -| image linux-yocto.spec pseudo -| license-destdir package sysroot-destdir -| temp -\end{verbatim} -\end{frame} - -\begin{frame}[fragile] -\frametitle{execute a specific task} -\begin{verbatim} -bitbake -c -\end{verbatim} -use -\begin{verbatim} -bitbake -c listtasks -\end{verbatim} -to get a list of all available tasks -\end{frame} - -\begin{frame}[fragile] -\frametitle{build dependencies} -dependency graphs (sucks because they're really huge) -\begin{verbatim} -bitbake -g -\end{verbatim} -\pause -it is better to use the dependency explorer -\begin{verbatim} -bitbake -g -u depexp -\end{verbatim} -\end{frame} - -\begin{frame}[fragile] -\frametitle{developer shell} -\begin{verbatim} -bitbake -c devshell -\end{verbatim} -use ./configure and make to debug build issues -\end{frame} - -\begin{frame}[fragile] -\frametitle{cleanup} -\begin{verbatim} -% bitbake -c clean core-image-minimal -\end{verbatim} -\pause -\begin{itemize} -\item doesn't cleanup dependencies -\item doesn't remove deployed files -\item triggers repackaging of all packages -\end{itemize} - -\vspace{2em} -To start from scratch backup the conf directory -and remove everything from build. Otherwise -sstate-cache will be used. -\end{frame} - -\begin{frame}[fragile] -\frametitle{cleanup} -\begin{verbatim} -% bitbake -c clean xserver-nodm-init -\end{verbatim} -\pause -\begin{itemize} -\item doesn't cleanup dependencies -\item removes deployed files -\item removes downloaded files -\item removes data from work and sysroot directory -\item doesn't remove data from sstate -\item triggers restoring files from sstate-cache -\end{itemize} -\end{frame} - -\begin{frame}[fragile] -\frametitle{cleanup} -\begin{verbatim} -% bitbake -c cleanall xserver-nodm-init -\end{verbatim} -\pause -\begin{itemize} -\item doesn't cleanup dependencies -\item removes deployed files -\item removes downloaded files -\item removes data from work and sysroot directory -\item removes data from sstate-cache -\item triggers fetch, compilation and packaging of the component -\item BUT changes will not be in the image -\end{itemize} -\end{frame} - -\begin{frame}[fragile] -\frametitle{force recompilation} -\begin{verbatim} -% bitbake -f -c compile xserver-nodm-init -\end{verbatim} -\begin{itemize} -\item changes are not in the image -\item and not in the package -\end{itemize} -\end{frame} - -\subsection{ADT} -\begin{frame} -\frametitle{Yocto ADT (Application Development Kit} -Core Components -\vspace{2em} -\begin{itemize} -\item System Root -\item QEMU Emulator -\item Cross Development Toolchain -\end{itemize} -\end{frame} - -\begin{frame} -\frametitle{Yocto ADT} -Eclipse Plugin -\vspace{2em} -\begin{itemize} -\item Roundtrip Application Development -\item Toolchain/System Root Integration -\item Emulated and Hardware Targets -\item Application Templates -\item On-target Debugging -\end{itemize} -\end{frame} - -\begin{frame} -\frametitle{Yocto ADT} -Profiling Tools -\vspace{2em} -\begin{itemize} -\item LatencyTOP -\item PowerTOP -\item OProfile -\item Perf -\item SystemTap -\item Lttng-ust -\end{itemize} -\end{frame} - -\begin{frame}[fragile] -\frametitle{build an external usable toolchain} -\begin{verbatim} -poky/build % bitbake meta-toolchain -# OR to include headers and static version of all used libraries -poky/build % bitbake -c populate_sdk core-image-minimal -\end{verbatim} -\vspace{2em} -\pause -to install the toolchain: -\begin{verbatim} -% ./tmp/deploy/sdk/poky-glibc-x86\_64-meta-toolchain-i586-toolchain-2.0.sh -Enter target directory for SDK (default: /opt/poky/2.0): /home/devel/sdk -\end{verbatim} -\pause -to use the toolchain: -\begin{verbatim} -source /home/devel/sdk/environment-setup-i586-poky-linux -\end{verbatim} -\end{frame} - -\begin{frame}[fragile] -\frametitle{export a nfsroot} -\begin{verbatim} -poky/build % runqemu-extract-sdk \ -tmp/deploy/images/qemux86/core-image-minimal-qemux86.tar.bz2 \ -~/sdk/core-image-minimal -\end{verbatim} -\end{frame} - -\begin{frame}[fragile] -\frametitle{build a internal usable toolchain} -\begin{verbatim} -poky/build % bitbake meta-ide-support -\end{verbatim} -\vspace{2em} -\end{frame} - -\begin{frame}[fragile] -\frametitle{build ADT installer script} -\begin{verbatim} -poky/build % bitbake adt-installer -poky/build % cp tmp/deploy/sdk/adt_installer.tar.bz2 ~/ -poky/build % cd -% cp tmp/deploy/sdk/adt_installer.tar.bz2 ~/ -% tar xjf adt_installer.tar.bz2 -% cd adt-installer -\end{verbatim} -\end{frame} - -\begin{frame} -\frametitle{configure ADT installer} -general configuration -\begin{description} -\item[YOCTOADT\_REPO] http repo with rootfs images and ipkg packages. - Needs to match the layout from 'http://adtrepo.yoctoproject.org' -\item[YOCTOADT\_TARGETS] machine target architectures to setup cross SDKs -\item[YOCTOADT\_QEMU] install qemu? \[Y/N\] -\item[YOCTOADT\_NFS\_UTIL] needed for eclipse \[Y/N\] -\end{description} -\end{frame} - -\begin{frame} -\frametitle{configure ADT installer \#2} -configuration for each supported BSP -\begin{description} -\item[YOCTOADT\_TARGET\_MACHINE\_] qemu that should be used, e.g. qemux86 -\item[YOCTOADT\_ROOTFS\_] rfs images that should be used, e.g. sato-sdk -\item[YOCTOADT\_TARGET\_SYSROOT\_] needs to match above variable -\item[YOCTOADT\_TARGET\_SYSROOT\_LOC\_] path where the sysroot will be - stored -\end{description} -\end{frame} - -\begin{frame}[fragile] -\frametitle{run ADT installer} -\begin{verbatim} -adt-installer % ./adt_installer -Please enter the install location (default: /opt/poky/2.0): -... -[ADT_INST] Please enter your selections here: -S -... -\end{verbatim} -\pause -to use the ADT, the environment needs to be sourced: -\begin{verbatim} -% . /opt/poky/2.0/environment-setup-i586-poky-linux -\end{verbatim} -\end{frame} - -\begin{frame}[fragile] -\frametitle{ADT \& Eclipse} -install and start eclipse: -\begin{verbatim} -% wget http://ftp.fau.de/eclipse/technology/epp/downloads/release/kepler/R/eclipse-cpp-kepler-R-linux-gtk.tar.gz -% tar xzf eclipse-*.tar.gz -% ./eclipse/eclipse -\end{verbatim} -\pause -add the yocto update-site (Help, Install New Software, Add\dots) -\begin{verbatim} -http://downloads.yoctoproject.org/releases/eclipse-plugin/1.9/kepler/ -\end{verbatim} -select and install all components, by clicking - -'Next, Next, Accept Licenses, Finish, Accept installing from insecure source, -and accept to restart eclipse' -\pause -goto 'Help, Install New Software, Add\dots' again and -select 'Kepler' as update site and select 'Linux Tools' and -'Mobile and Device Development'; select 'Next' until you can -'Finish' and quit eclipse -\end{frame} - -\begin{frame} -\frametitle{configure Eclipse} -\begin{itemize} - \item select 'Window, Preferences, Yocto Project ADT' - \item select 'Standalone pre-built toolchain' - \item set Toolchain Root Location '/home/devel/sdk' - \item set Sysroot Location '/home/devel/sdk/core-image-minimal' - \item use 'native' as 'Target Options' - \item 'Apply' the Settings and close the dialog with 'OK' -\end{itemize} -\end{frame} - -\begin{frame} -\frametitle{Hello World example} -\begin{itemize} - \item select 'File, New, Project\dots' - \item select 'C/C++, C Project' - \item select 'Yocto Project ADT Autotools Project, Hello World ANSI C Project' - \item enter a 'Project name' and select 'Next' - \item enter 'Basic settings' and select 'Finish' - \item if opened, close the 'Welcome' window - \item right click on the root project folder and select 'Reconfigure Project' - \item right click on the root project folder and select 'Build Project' -\end{itemize} -\end{frame} - -\begin{frame} -\frametitle{remote execution and debugging} -\begin{itemize} - \item switch to 'Remote System Explorer' perspective - \item create a new 'TCF' connection - \item switch to 'C/C++' perspective and select 'Run / Debug Configurations' - \item select the preconfigured 'C/C++ Application' and select the correct - 'Connection' - \item set 'Remote Absolute File Path' to sth. like '/usr/bin/' - \item select 'Apply', 'Debug' - Next time you can use this preconfigured debug - configuration -\end{itemize} -\end{frame} +\input{yocto-workflow} +\input{yocto-imgbuild1} +\input{yocto-imgbuild-predefined} +\input{yocto-imgbuild2} +\input{yocto-adt} \input{tailpres} diff --git a/distribution/yocto-basic/yocto-adt.tex b/distribution/yocto-basic/yocto-adt.tex new file mode 100644 index 0000000..17d0733 --- /dev/null +++ b/distribution/yocto-basic/yocto-adt.tex @@ -0,0 +1,193 @@ +\subsection{ADT} +\begin{frame} +\frametitle{Yocto ADT (Application Development Kit} +Core Components +\vspace{2em} +\begin{itemize} +\item System Root +\item QEMU Emulator +\item Cross Development Toolchain +\end{itemize} +\end{frame} + +\begin{frame} +\frametitle{Yocto ADT} +Eclipse Plugin +\vspace{2em} +\begin{itemize} +\item Roundtrip Application Development +\item Toolchain/System Root Integration +\item Emulated and Hardware Targets +\item Application Templates +\item On-target Debugging +\end{itemize} +\end{frame} + +\begin{frame} +\frametitle{Yocto ADT} +Profiling Tools +\vspace{2em} +\begin{itemize} +\item LatencyTOP +\item PowerTOP +\item OProfile +\item Perf +\item SystemTap +\item Lttng-ust +\end{itemize} +\end{frame} + +\begin{frame}[fragile] +\frametitle{build an external usable toolchain} +\begin{verbatim} +poky/build % bitbake meta-toolchain +# OR to include headers and static version of all used libraries +poky/build % bitbake -c populate_sdk core-image-minimal +\end{verbatim} +\vspace{2em} +\pause +to install the toolchain: +\begin{verbatim} +% ./tmp/deploy/sdk/poky-glibc-x86\_64-meta-toolchain-i586-toolchain-2.0.sh +Enter target directory for SDK (default: /opt/poky/2.0): /home/devel/sdk +\end{verbatim} +\pause +to use the toolchain: +\begin{verbatim} +source /home/devel/sdk/environment-setup-i586-poky-linux +\end{verbatim} +\end{frame} + +\begin{frame}[fragile] +\frametitle{export a nfsroot} +\begin{verbatim} +poky/build % runqemu-extract-sdk \ +tmp/deploy/images/qemux86/core-image-minimal-qemux86.tar.bz2 \ +~/sdk/core-image-minimal +\end{verbatim} +\end{frame} + +\begin{frame}[fragile] +\frametitle{build a internal usable toolchain} +\begin{verbatim} +poky/build % bitbake meta-ide-support +\end{verbatim} +\vspace{2em} +\end{frame} + +\begin{frame}[fragile] +\frametitle{build ADT installer script} +\begin{verbatim} +poky/build % bitbake adt-installer +poky/build % cp tmp/deploy/sdk/adt_installer.tar.bz2 ~/ +poky/build % cd +% cp tmp/deploy/sdk/adt_installer.tar.bz2 ~/ +% tar xjf adt_installer.tar.bz2 +% cd adt-installer +\end{verbatim} +\end{frame} + +\begin{frame} +\frametitle{configure ADT installer} +general configuration +\begin{description} +\item[YOCTOADT\_REPO] http repo with rootfs images and ipkg packages. + Needs to match the layout from 'http://adtrepo.yoctoproject.org' +\item[YOCTOADT\_TARGETS] machine target architectures to setup cross SDKs +\item[YOCTOADT\_QEMU] install qemu? \[Y/N\] +\item[YOCTOADT\_NFS\_UTIL] needed for eclipse \[Y/N\] +\end{description} +\end{frame} + +\begin{frame} +\frametitle{configure ADT installer \#2} +configuration for each supported BSP +\begin{description} +\item[YOCTOADT\_TARGET\_MACHINE\_] qemu that should be used, e.g. qemux86 +\item[YOCTOADT\_ROOTFS\_] rfs images that should be used, e.g. sato-sdk +\item[YOCTOADT\_TARGET\_SYSROOT\_] needs to match above variable +\item[YOCTOADT\_TARGET\_SYSROOT\_LOC\_] path where the sysroot will be + stored +\end{description} +\end{frame} + +\begin{frame}[fragile] +\frametitle{run ADT installer} +\begin{verbatim} +adt-installer % ./adt_installer +Please enter the install location (default: /opt/poky/2.0): +... +[ADT_INST] Please enter your selections here: +S +... +\end{verbatim} +\pause +to use the ADT, the environment needs to be sourced: +\begin{verbatim} +% . /opt/poky/2.0/environment-setup-i586-poky-linux +\end{verbatim} +\end{frame} + +\begin{frame}[fragile] +\frametitle{ADT \& Eclipse} +install and start eclipse: +\begin{verbatim} +% wget http://ftp.fau.de/eclipse/technology/epp/downloads/release/kepler/R/eclipse-cpp-kepler-R-linux-gtk.tar.gz +% tar xzf eclipse-*.tar.gz +% ./eclipse/eclipse +\end{verbatim} +\pause +add the yocto update-site (Help, Install New Software, Add\dots) +\begin{verbatim} +http://downloads.yoctoproject.org/releases/eclipse-plugin/1.9/kepler/ +\end{verbatim} +select and install all components, by clicking + +'Next, Next, Accept Licenses, Finish, Accept installing from insecure source, +and accept to restart eclipse' +\pause +goto 'Help, Install New Software, Add\dots' again and +select 'Kepler' as update site and select 'Linux Tools' and +'Mobile and Device Development'; select 'Next' until you can +'Finish' and quit eclipse +\end{frame} + +\begin{frame} +\frametitle{configure Eclipse} +\begin{itemize} + \item select 'Window, Preferences, Yocto Project ADT' + \item select 'Standalone pre-built toolchain' + \item set Toolchain Root Location '/home/devel/sdk' + \item set Sysroot Location '/home/devel/sdk/core-image-minimal' + \item use 'native' as 'Target Options' + \item 'Apply' the Settings and close the dialog with 'OK' +\end{itemize} +\end{frame} + +\begin{frame} +\frametitle{Hello World example} +\begin{itemize} + \item select 'File, New, Project\dots' + \item select 'C/C++, C Project' + \item select 'Yocto Project ADT Autotools Project, Hello World ANSI C Project' + \item enter a 'Project name' and select 'Next' + \item enter 'Basic settings' and select 'Finish' + \item if opened, close the 'Welcome' window + \item right click on the root project folder and select 'Reconfigure Project' + \item right click on the root project folder and select 'Build Project' +\end{itemize} +\end{frame} + +\begin{frame} +\frametitle{remote execution and debugging} +\begin{itemize} + \item switch to 'Remote System Explorer' perspective + \item create a new 'TCF' connection + \item switch to 'C/C++' perspective and select 'Run / Debug Configurations' + \item select the preconfigured 'C/C++ Application' and select the correct + 'Connection' + \item set 'Remote Absolute File Path' to sth. like '/usr/bin/' + \item select 'Apply', 'Debug' - Next time you can use this preconfigured debug + configuration +\end{itemize} +\end{frame} diff --git a/distribution/yocto-basic/yocto-imgbuild-predefined.tex b/distribution/yocto-basic/yocto-imgbuild-predefined.tex new file mode 100644 index 0000000..fb74586 --- /dev/null +++ b/distribution/yocto-basic/yocto-imgbuild-predefined.tex @@ -0,0 +1,13 @@ +\begin{frame}[fragile] +\frametitle{build a predefined image} +edit the local build configuration './conf/local.conf' +\begin{verbatim} +DL_DIR ?= "${TOPDIR}/../downloads" +PACKAGE_CLASSES ?= "package_deb" +EXTRA_IMAGE_FEATURES = "debug-tweaks eclipse-debug" +\end{verbatim} +and start the image build +\begin{verbatim} +% bitbake core-image-minimal +\end{verbatim} +\end{frame} diff --git a/distribution/yocto-basic/yocto-imgbuild1.tex b/distribution/yocto-basic/yocto-imgbuild1.tex new file mode 100644 index 0000000..7437ab7 --- /dev/null +++ b/distribution/yocto-basic/yocto-imgbuild1.tex @@ -0,0 +1,13 @@ +\subsection{Images} +\begin{frame} +\frametitle{basics} +\begin{itemize} +\item images are constructed using the packages built earlier and put into the + Package Feeds +\item decisions of what to install on the image is based on the minimum + defined set of required components in an image recipe +\item this minimum set is then expanded based on dependencies to produce a + package solution +\item variety of formats (tar.bz2, ext2, ext3, jffs, \dots) are supported +\end{itemize} +\end{frame} diff --git a/distribution/yocto-basic/yocto-imgbuild2.tex b/distribution/yocto-basic/yocto-imgbuild2.tex new file mode 100644 index 0000000..b6a04bb --- /dev/null +++ b/distribution/yocto-basic/yocto-imgbuild2.tex @@ -0,0 +1,265 @@ +\begin{frame}[fragile] +\frametitle{start the image} +\begin{verbatim} +% runqemu qemux86 core-image-minimal +\end{verbatim} +\end{frame} + +\begin{frame}[fragile] +\frametitle{inspect the build} +\begin{verbatim} +tmp/ +├── buildstats +├── cache +├── deploy +├── log +├── sstate-control +├── stamps +├── sysroots +├── work +└── work-shared +\end{verbatim} +\end{frame} + +\begin{frame}[fragile] +\frametitle{inspect the build} +\begin{verbatim} +tmp/buildstats/core-image-minimal-qemux86/201408271416/ +├── acl-2.2.52-r0 +├── acl-native-2.2.52-r0 +├── alsa-lib-native-1.0.27.2-r0 +├── attr-2.4.47-r0 +├── attr-native-2.4.47-r0 +├── autoconf-native-2.69-r11 +... +\end{verbatim} +\end{frame} + +\begin{frame}[fragile] +\frametitle{inspect the build} +\begin{verbatim} +tmp/buildstats/core-image-minimal-qemux86/201408271416/acl-2.2.52-r0/ +├── do_compile +├── do_compile_ptest_base +├── do_configure +├── do_configure_ptest_base +├── do_fetch +├── do_install +├── do_install_ptest_base +├── do_package +├── do_packagedata +├── do_package_write_rpm +├── do_patch +├── do_populate_lic +├── do_populate_sysroot +└── do_unpack +\end{verbatim} +\end{frame} + +\begin{frame}[fragile] +\frametitle{inspect the build} +\begin{verbatim} +408271416/acl-2.2.52-r0/do_unpack +Event: TaskStarted +Started: 1409143746.65 +acl-2.2.52-r0: do_unpack: Elapsed time: 0.22 seconds +CPU usage: 7.1% +EndIOinProgress: 0 +EndReadsComp: 973062 +EndReadsMerged: 543875573 +EndSectRead: 36860156 +EndSectWrite: 1158945211 +EndTimeIO: 30104972 +EndTimeReads: 5545878 +EndTimeWrite: 1455538600 +... +StartWritesComp: 12202741 +Status: PASSED +Ended: 1409143746.87 +\end{verbatim} +\end{frame} + +\begin{frame}[fragile] +\frametitle{inspect the build} +\begin{verbatim} +tmp/ +├── buildstats +├── cache +├── deploy +├── log +├── sstate-control +├── stamps +├── sysroots +├── work +└── work-shared +\end{verbatim} +\end{frame} + +\begin{frame}[fragile] +\frametitle{inspect the build} +\begin{verbatim} +tmp/deploy/ +├── images +│   └── qemux86 +│   ├── bzImage -> bzImage--3.14+git0+09424... +│   ├── core-image-minimal-qemux86-20140827121546.rootfs.ext3 +│   ├── core-image-minimal-qemux86-20140827121546.rootfs.manifest +│   ├── core-image-minimal-qemux86-20140827121546.rootfs.tar.bz2 +│   ├── core-image-minimal-qemux86.ext3 -> core-image... +│   ├── ... +\end{verbatim} +\end{frame} + +\begin{frame}[fragile] +\frametitle{inspect the build} +\begin{verbatim} +tmp/deploy/ +├── licenses +│   ├── acl +│ │ ├── COPYING +│ │ ├── COPYING.LGPL +│ │ ├── generic_GPLv2 +│ │ └── generic_LGPLv2.1 +│   ├── acl-native +│   ├── alsa-lib-native +│   ├── apr-native +│   ├── .. +\end{verbatim} +\end{frame} + +\begin{frame}[fragile] +\frametitle{inspect the build} +\begin{verbatim} +tmp/deploy/ +└── rpm + ├── all + │ ├── packagegroup-core-standalone-sdk-target-1.0-r8.all.rpm + │ ├── packagegroup-core-standalone-sdk-target-dbg-1.0-r8.all.rpm + │ ├── packagegroup-core-standalone-sdk-target-dev-1.0-r8.all.rpm + │ ├── repodata + │ ├── run-postinsts-1.0-r9.all.rpm + │ ├── ... + ├── i586 + ├── qemux86 + └── x86_64_nativesdk +\end{verbatim} +\end{frame} + +\begin{frame}[fragile] +\frametitle{inspect the build} +\begin{verbatim} +├── % cat sstate-control/manifest-. +| /home/devel/poky/build/tmp/sysroots/x86_64-linux/usr/include/zconf.h +| /home/devel/poky/build/tmp/sysroots/x86_64-linux/usr/include/zlib.h +| /home/devel/poky/build/tmp/sysroots/x86_64-linux/usr/lib/libz.so.1 +\end{verbatim} +\pause +\begin{verbatim} +├── sysroots # for the differnet architectures +\end{verbatim} +\pause +\begin{verbatim} +├── work # work directories / where the sources are built +| % ls tmp/work/qemux86-poky-linux/linux-yocto/3.14+gitAUTOINC+0942... +| deploy-linux-yocto linux packages-split +| deploy-rpms linux-qemux86-standard-build pkgdata +| image linux-yocto.spec pseudo +| license-destdir package sysroot-destdir +| temp +\end{verbatim} +\end{frame} + +\begin{frame}[fragile] +\frametitle{execute a specific task} +\begin{verbatim} +bitbake -c +\end{verbatim} +use +\begin{verbatim} +bitbake -c listtasks +\end{verbatim} +to get a list of all available tasks +\end{frame} + +\begin{frame}[fragile] +\frametitle{build dependencies} +dependency graphs (sucks because they're really huge) +\begin{verbatim} +bitbake -g +\end{verbatim} +\pause +it is better to use the dependency explorer +\begin{verbatim} +bitbake -g -u depexp +\end{verbatim} +\end{frame} + +\begin{frame}[fragile] +\frametitle{developer shell} +\begin{verbatim} +bitbake -c devshell +\end{verbatim} +use ./configure and make to debug build issues +\end{frame} + +\begin{frame}[fragile] +\frametitle{cleanup} +\begin{verbatim} +% bitbake -c clean core-image-minimal +\end{verbatim} +\pause +\begin{itemize} +\item doesn't cleanup dependencies +\item doesn't remove deployed files +\item triggers repackaging of all packages +\end{itemize} + +\vspace{2em} +To start from scratch backup the conf directory +and remove everything from build. Otherwise +sstate-cache will be used. +\end{frame} + +\begin{frame}[fragile] +\frametitle{cleanup} +\begin{verbatim} +% bitbake -c clean xserver-nodm-init +\end{verbatim} +\pause +\begin{itemize} +\item doesn't cleanup dependencies +\item removes deployed files +\item removes downloaded files +\item removes data from work and sysroot directory +\item doesn't remove data from sstate +\item triggers restoring files from sstate-cache +\end{itemize} +\end{frame} + +\begin{frame}[fragile] +\frametitle{cleanup} +\begin{verbatim} +% bitbake -c cleanall xserver-nodm-init +\end{verbatim} +\pause +\begin{itemize} +\item doesn't cleanup dependencies +\item removes deployed files +\item removes downloaded files +\item removes data from work and sysroot directory +\item removes data from sstate-cache +\item triggers fetch, compilation and packaging of the component +\item BUT changes will not be in the image +\end{itemize} +\end{frame} + +\begin{frame}[fragile] +\frametitle{force recompilation} +\begin{verbatim} +% bitbake -f -c compile xserver-nodm-init +\end{verbatim} +\begin{itemize} +\item changes are not in the image +\item and not in the package +\end{itemize} +\end{frame} diff --git a/distribution/yocto-basic/yocto-workflow.tex b/distribution/yocto-basic/yocto-workflow.tex new file mode 100644 index 0000000..3810acb --- /dev/null +++ b/distribution/yocto-basic/yocto-workflow.tex @@ -0,0 +1,681 @@ +\subsection{Workflow} +\begin{frame}[fragile] +\includegraphics[width=\textwidth]{images/yocto-workflow} +\end{frame} + +\begin{frame}[fragile] +\frametitle{retrieve poky} +\begin{verbatim} +% git clone http://git.yoctoproject.org/git/poky +% cd poky +% git checkout origin/krogoth -b krogoth -t +\end{verbatim} +\end{frame} + +\begin{frame}[fragile] +\frametitle{prepare environment} +\begin{itemize} +\item bitbake is typically not installed into regular search paths +\item the environment of the bash is modified to find the commands +\item non-bash shells are not supported +\end{itemize} +\begin{verbatim} +% . ./oe-init-buildenv +\end{verbatim} +\begin{itemize} +\item is used to modify the environment and change the CWD to +\item ./oe-init-buildenv-memres is used to keep the bitbake-server running +\end{itemize} +\end{frame} + +\begin{frame} +\frametitle{classes} +\begin{itemize} +\item denoted by the .bbclass extension +\item base.bbclass is automatically included by all other classes and recipes. +\item common tasks and there execution order is defined in base.bbclass +\item tasks can be added, overridden, extended or used by other classes +\end{itemize} +\end{frame} + +\begin{frame} +\frametitle{recipes} +\begin{itemize} +\item a .bb file inherits classes and populates them with data +\item bitbake is used to schedule the tasks defined in a recipe +\end{itemize} +\end{frame} + +\begin{frame} +\frametitle{layers} +\begin{itemize} +\item a folder containing recipes, configs and classes +\item used to isolate different types of customizations from each other +\item e.g. own layer for machine specific stuff, one for own applications +\item extend, add, replace or modify recipes +\item add or replace class files +\item 'conf/layer.conf' is used to configure the layer +\item are added and ordered via BBLAYERS variable in build/conf/bblayers.conf +\item 'bitbake-layers show-layers' is used to show used layers +\end{itemize} +\end{frame} + +\begin{frame} +\frametitle{layers \#2} +layers should be grouped by functionality +\begin{itemize} +\item custom toolchains (compilers, debuggers, profiling tools) +\item distribution specifications (i.e. meta-yocto) +\item BSP/machine settings (i.e. meta-yocto-bsp) +\item functional areas (selinux, networking, etc) +\item project specific changes +\item a layer is typically organized as a git repository +\end{itemize} +\end{frame} + +\begin{frame}[fragile] + \frametitle{directory layout} + \begin{verbatim} +poky +├── bitbake +├── documentation +├── meta +├── meta-selftest +├── meta-skeleton +├── meta-yocto +├── meta-yocto-bsp +└── scripts +\end{verbatim} +\end{frame} + +\subsection{Variable assignments} +\begin{frame} +\frametitle{available operators} +\begin{itemize} +\item = +\item ?= +\item ??= +\item := +\item += / =+ +\item .= / =. +\end{itemize} +\end{frame} + +\begin{frame}[fragile] +\frametitle{variable assignment with =} +\begin{verbatim} +VAR = "value" +\end{verbatim} +\pause +\begin{itemize} + \item normal assignment + \item values need to be surrounded by double quotes +\end{itemize} +\end{frame} + +\begin{frame}[fragile] +\frametitle{early default assignment with ?=} +\begin{verbatim} +VAR ?= "1" +VAR ?= "2" +\end{verbatim} +\pause +\begin{itemize} + \item VAR is set to "1" in this example + \item if there are multiple assignments using ?= the first one is used +\end{itemize} +\end{frame} + +\begin{frame}[fragile] +\frametitle{late default assignment with ??=} +\begin{verbatim} +VAR ??= "1" +VAR ??= "2" +\end{verbatim} +\pause +\begin{itemize} + \item VAR is set to "2" in this example + \item if there are multiple assignments using ??= the last one is used +\end{itemize} +\end{frame} + +\begin{frame}[fragile] +\frametitle{assignment priorities \#1} +\begin{verbatim} +VAR_A ??= "12" +VAR_A ?= "34" + +VAR_B ?= "12" +VAR_B ??= "34" +\end{verbatim} +\pause +\begin{itemize} + \item VAR\_A contains "34" + \item VAR\_B contains "12" +\end{itemize} +\end{frame} + +\begin{frame}[fragile] +\frametitle{assignment priorities \#2} +\begin{verbatim} +VAR ?= "12" +VAR ??= "34" +VAR = "56" +VAR ?= "78" +VAR ??= "78" +\end{verbatim} +\pause +\begin{itemize} + \item VAR contains "56" +\end{itemize} +\end{frame} + +\begin{frame}[fragile] +\frametitle{immediate variable expansion with :=} +\begin{verbatim} +VAR_A = "11" +VAR_B = "B:${VAR_A}" +VAR_A = "22" +VAR_C := "C:${VAR_A}" +VAR_A = "33" +echo ${VAR_A} ${VAR_B} ${VAR_C} +\end{verbatim} +\pause +\begin{itemize} + \item 33 B:33 C:22 + \item the content of VAR\_C is expanded immediately on assignment + \item the content of VAR\_B is expanded on use +\end{itemize} +\end{frame} + +\begin{frame}[fragile] +\frametitle{append (+=) or prepend (=+) a variable} +\begin{verbatim} +VAR_A = "12" +VAR_A += "34" +VAR_B = "56" +VAR_B =+ "78" +\end{verbatim} +\pause +\begin{itemize} + \item VAR\_A contains "12 34" + \item VAR\_B contains "78 56" + \item there are spaces between the appended values +\end{itemize} +\end{frame} + +\begin{frame}[fragile] +\frametitle{append (.=) or prepend (=.) a variable} +\begin{verbatim} +VAR_A = "12" +VAR_A .= "34" +VAR_B = "56" +VAR_B =. "78" +\end{verbatim} +\pause +\begin{itemize} + \item VAR\_A contains "1234" + \item VAR\_B contains "7856" + \item there are no spaces between the appended values +\end{itemize} +\end{frame} + +\begin{frame}[fragile] +\frametitle{assignment debugging} +\begin{verbatim} +$ echo 'FOO ??= "123"' >> conf/local.conf +$ echo 'FOO ?= "456"' >> conf/local.conf + +$ bitbake -e | grep FOO +# $FOO [2 operations] +FOO="456" +\end{verbatim} +\end{frame} + +\subsection{Recipes} +\begin{frame} +\frametitle{typical progressing} +\begin{enumerate} +\item fetch source files +\item extract sources +\item patch sources +\item configure sources +\item compilation +\item packaging +\end{enumerate} +\end{frame} + +\begin{frame}[fragile] +\frametitle{skeleton} +\begin{verbatim} +SUMMARY = "short description of the package (1 line)" +DESCRIPTION = "a long version of the description of the package" +HOMEPAGE = "http://url-of-the-os-project.org" +LICENSE = "LGPLv2.1" + +LIC_FILES_CHKSUM = "file://COPYING;md5=xxxx \ + file://licfile1.txt;beginline=5;endline=29;md5=yyyy \ + file://licfile2.txt;endline=50;md5=zzzz + +SRC_URI = "file://mysw-1.0.tbz" +SRC_URI[md5sum] = "xxx" +SRC_URI[sha256sum] = "yyy" + +S = "${WORKDIR}/${PN}-${PV}" + +inherit autotools +\end{verbatim} +\end{frame} + +\begin{frame} +\frametitle{syntax} +a recipe normaly consists of a human readable description of the project and +references to the open-source project and: +\begin{description} +\item[LIC*] reference to the used licenses +\item[SRC\_URI] list of source files (local or remote) +\item[PV] package-version (retrived from filename name\_version.bb) +\item[PN] package-name (retrived from filename name\_version.bb) +\item[P] ${PN}-${PV} +\item[S] The location in the Build Directory where unpacked recipe source code resides. +\item[inherit] use a class (or multiple classes) +\end{description} +\end{frame} + +\begin{frame} +\frametitle{the LICENSE variable} +list of source licenses for the recipe: +\begin{itemize} +\item do not use spaces within individual license names +\item use spaces between license names +\item separate license names using | (pipe) when there is a choice between + licenses +\item separate license names using \& (AND) if parts of the code are licensed + with different licenses +\item for standard licenses, use the names of the files in + meta/files/common-licenses/ or the SPDXLICENSEMAP + \footnote{aps commonly used license names to their SPDX counterparts found in + meta/files/common-licenses/. For the default SPDXLICENSEMAP mappings, see the + meta/conf/licenses.conf file} + flag names defined in meta/conf/licenses.conf +\item use "CLOSED" for closed source software + (LIC\_FILES\_CHKSUM is not needed to be defined then) +\end{itemize} +\end{frame} + +\begin{frame} +\frametitle{LIC\_FILE\_CHKSUM variable} +Checksums of the license text in the recipe source code. +\vspace{2em} + + +This variable tracks changes in license text of the source code files. +If the license text is changed, it will trigger a build failure, +which gives the developer an opportunity to review any license change. +\end{frame} + +\begin{frame}[fragile] +\frametitle{SRC\_URI variable} +\begin{verbatim} +SRC_URI = ":///;;" +\end{verbatim} +\pause +multiple urls can be set in a SRC\_URI variable: +\begin{verbatim} +SRC_URI = ";name=url1 ;name=url2" +\end{verbatim} +for each url a md5 and sha256 checksum needs to be added: +\begin{verbatim} +SRC_URI[url1.md5sum] = xxx +SRC_URI[url1.sha256sum] = yyy +SRC_URI[url2.md5sum] = zzz +SRC_URI[url2.sha256sum] = xyz +\end{verbatim} +To get these checksums don't specify them and run a build and copy them from +the error message. (Don't use md5sum or sha256sum on the commandline; they +produce a different checksum.) +\end{frame} + +\begin{frame}[fragile] +\frametitle{local SRC\_URI (file://)} +The path is relative to the FILESPATH variable. To modify the FILESPATH use +FILESEXTRAPATH. +\vspace{2em} + + +Additional files are searched in subdirectories of the directory in which the +recipe file (.bb) or append file (.bbappend) resides. + +To find out which paths can be used, it is best practice to use +\begin{verbatim} +$ bitbake -e | grep FILESPATH +\end{verbatim} +\end{frame} + +\begin{frame} +\frametitle{remote SRC\_URI} +\begin{description} +\item[bzr://]Bazaar revision control repository +\item[git://]Git revision control repository +\item[osc://]OSC (OpenSUSE Build service) revision control repository +\item[ccrc://]ClearCase repository +\item[http://]Internet using http +\item[https://]Internet using https +\item[ftp://]Internet using ftp +\item[cvs://]CVS revision control repository +\item[hg://]Mercurial (hg) revision control repository +\item[p4://]Perforce (p4) revision control repository +\item[ssh://]secure shell +\item[svn://]Subversion (svn) revision control repository +\end{description} +\end{frame} + +\begin{frame} +\frametitle{SRC\_URI patch options} +\begin{itemize} + \item patches are applied in the order they appear in SRC\_URI + \item quilt is used to apply the patches +\end{itemize} +\begin{description} +\item[apply=no] apply patch or not; default is yes +\item[striplevel=0] striplevel to use when applying a patch; default is 1 +\item[patchdir=\${S}/foo] directory in which the patch should be applied; + default is \${S} +\end{description} +\end{frame} + +\begin{frame} +\frametitle{SRC\_URI patch options \#2} +\begin{description} +\item[mindate] apply patch only if SRCDATE + \footnote{The date of the source code used to build the package. + This variable applies only if the source was fetched from a + Source Code Manager (SCM)} is equal to or greater than mindate +\item[maxdate] apply patch only if SRCDATE is not later than maxdate +\item[minrev] apply the patch only if SRCREV + \footnote{The revision of the source code used to build the package. + This variable applies to Subversion, Git, Mercurial and Bazaar only} + is equal to or greater than minrev +\item[maxrev] apply patch only if SRCREV is not later than maxrev +\item[rev] apply patch only if SRCREV is equal to rev +\item[notrev] apply patch only if SRCREV is not equal to rev +\end{description} +\end{frame} + +\begin{frame} +\frametitle{SRC\_URI options} +\begin{description} +\item[unpack=no] controls if an archive is unpacked; default is yes +\item[subdir=bla] places the file (or extracts its contents) into the + specified subdirectory of WORKDIR + \footnote{${TMPDIR}/work/${MULTIMACH\_TARGET\_SYS}/${PN}/${EXTENDPE}${PV}-${PR}; + eg. poky/build/tmp/work/qemux86-poky-linux/foo/1.3.0-r0} +\item[name=mydl] name to be used for association with SRC\_URI checksums when + you have more than one file specified in SRC\_URI +\item[downloadfilename=my.tar.gz] the filename used when storing the downloaded file +\end{description} +\end{frame} + +\begin{frame} +\frametitle{inherit} +inherit is used to use the functionality defined in a .bblcass file. Popular +predefined classes are: +\begin{itemize} +\item autotools +\item cmake +\item cpan +\item distutils / setuptools +\item kernel / module +\item mime +\item qmake / qmake2 +\item qt4e / qt4x11 +\item scons +\item systemd +\item u-boot +\item vala +\end{itemize} +\end{frame} + +\subsection{Append files} +\begin{frame} +\frametitle{basics} +\begin{itemize} + \item are typically used to modify or extend the functionality of the base + recipe + \item it's recommended by the Yocto project to use bbappend files instead + of copying and modyfiing a recipe in an own layer +\end{itemize} +\end{frame} + +\begin{frame}[fragile] +\frametitle{naming} +an append file must be named after the base package: +\begin{verbatim} +_.bbappend +\end{verbatim} +\end{frame} + +\subsection{Classes} +\begin{frame} +\frametitle{basics} +\begin{itemize} + \item python can be used to write functions + \item e.g. write your own image generation class +\end{itemize} +\end{frame} + +\subsection{Tasks} +\begin{frame} +\frametitle{basics} +\begin{itemize} + \item are defined and ordered in classes + \item can be overriden by classes and recipes +\end{itemize} +\end{frame} + +\begin{frame} + \frametitle{download \& patch} +\begin{description} +\item [do\_checkuri] validates the SRC\_URI value +\item [do\_checkuriall] validates the SRC\_URI value for all recipes required + to build a target" +\item [do\_fetch] fetches the source code +\item [do\_fetchall] fetches all remote sources required to build a target +\item [do\_unpack] unpacks the source code into a working directory +\item [do\_patch] locates patch files and applies them to the source code +\end{description} +\end{frame} + +\begin{frame} + \frametitle{configure \& compile} +\begin{description} +\item [do\_configure] configures the source by enabling and disabling any + build-time and configuration options for the software being built +\item [do\_configure\_ptest\_base] configures the runtime test suite included + in the software being built +\item [do\_compile] compiles the source in the compilation directory +\item [do\_install] copies files from the compilation directory to a holding + area +\item [do\_populate\_sysroot] copies a subset of files installed by + do\_install into the sysroot in order to make them available to other + recipes +\end{description} +\end{frame} + +\begin{frame} +\frametitle{packaging} +\begin{description} +\item [do\_packagedata] creates package metadata used by the build system to + generate the final packages +\item [do\_package] analyzes the content of the holding area and splits it + into subsets based on available packages and files +\item [do\_package\_write] creates the actual packages and places them in the + Package Feed area +\item [do\_package\_write\_deb] creates the actual DEB packages and places + them in the Package Feed area +\item [do\_package\_write\_ipk] creates the actual IPK packages and places + them in the Package Feed area +\item [do\_package\_write\_rpm] creates the actual RPM packages and places + them in the Package Feed area +\item [do\_package\_write\_tar] creates tar archives for packages and places + them in the Package Feed area +\item [do\_package\_index] creates or updates the index in the Package Feed + area +\end{description} +\end{frame} + +\begin{frame} + \frametitle{deploy} +\begin{description} +\item [do\_rootfs] creates the root filesystem (file and directory structure) + for an image +\item [do\_vmdkimg] creates a .vmdk image for use with VMware and compatible + virtual machine hosts" +\item [do\_deploy] writes deployable output files to the deploy directory +\item [do\_populate\_sdk] creates the file and directory structure for an + installable SDK +\end{description} +\end{frame} + +\begin{frame} +\frametitle{cleanup} +\begin{description} +\item [do\_clean] removes all output files for a target +\item [do\_cleanall] removes all output files, shared state cache, and + downloaded source files for a target +\item [do\_cleansstate] removes all output files and shared state cache for a + target +\item [do\_rm\_work] removes work files after the build system has finished + with them +\item [do\_rm\_work\_all] top-level task for removing work files after the + build system has finished with them +\end{description} +\end{frame} + +\begin{frame} +\frametitle{kernel} +\begin{description} +\item [do\_kernel\_checkout] checks out source/meta branches for a linux-yocto + style kernel +\item [do\_validate\_branches] ensures that the source/meta branches are on + the locations specified by their SRCREV values for a linux-yocto style + kernel" +\item [do\_kernel\_configme] assembles the kernel configuration for a + linux-yocto style kernel +\item [do\_menuconfig] runs 'make menuconfig' for the kernel +\item [do\_diffconfig] compares the old and new config files after running + do\_menuconfig for the kernel +\item [do\_savedefconfig] creates a minimal Linux kernel configuration file +\item [do\_kernel\_configcheck] validates the kernel configuration for a + linux-yocto style kernel +\item [do\_sizecheck] checks the size of the kernel image against + KERNEL\_IMAGE\_MAXSIZE (if set) +\end{description} +\end{frame} + +\begin{frame} +\frametitle{kernel} +\begin{description} +\item [do\_compile\_kernelmodules] compiles loadable modules for the Linux + kernel +\item [do\_strip] strips unneeded sections out of the Linux kernel image +\item [do\_kernel\_link\_vmlinux] creates a symbolic link in arch/\$arch/boot + for vmlinux kernel images +\item [do\_bundle\_initramfs] combines an initial ramdisk image and kernel + together to form a single image +\end{description} +\end{frame} + +\begin{frame} +\frametitle{licenses} +\begin{description} +\item [do\_populate\_lic] writes license information for the recipe that is + collected later when the image is constructed +\item [do\_spdx] a build stage that takes the source code and scans it on a + remote FOSSOLOGY server in order to produce an SPDX document +\end{description} +\end{frame} + +\begin{frame} +\frametitle{special stuff} +\begin{description} +\item [do\_uboot\_mkimage] creates a uImage file from the kernel for the + U-Boot bootloader +\item [do\_generate\_qt\_config\_file] writes a qt.conf file for building a + Qt-based application +\item [do\_devshell] starts a shell with the environment set up for + development/debugging +\item [do\_listtasks] lists all defined tasks for a target +\end{description} +\end{frame} + +\subsection{Machines} +\begin{frame} +\frametitle{basics} +a machine config is used to describe a board +\begin{itemize} + \item machine configs are stored in the layers: conf/machine/* + \item settings can be splitted in different include *.inc files + \item e.g. one include for CPU that is used by the SoC inc file, +that is used by the Board .conf file + \item the include files can be stored in different layers +\end{itemize} +\end{frame} + +\begin{frame} + \frametitle{u-boot \& kernel} +\begin{description} + \item [UBOOT\_MACHINE] value passed on the make command line when building a + U-Boot image + \item [UBOOT\_MAKE\_TARGET] target called in the Makefile + \item [UBOOT\_ENTRYPOINT] entry point for the U-Boot image + \item [PREFERRED\_PROVIDER\_virtual/kernel] default kernel + \item [KERNEL\_DEVICETREE] default devicetree + \item [KERNEL\_IMAGETYPE] type of kernel to build for a device, + defaults to 'zImage' +\end{description} +\end{frame} + +\begin{frame} + \frametitle{hardware} +\begin{description} + \item[SOC\_FAMILY] groups together machines based upon the same family of SOC + (System On Chip) + \item [MACHINEOVERRIDES] lists overrides specific to the current machine. + By default, this list includes the value of MACHINE. This can be used in + recipes; e.g. MACHINEOVERRIDES =. "mymachine" and in the recipe + SRC\_URI\_append\_mymachine = "file://mymachine-quirk.patch" + \item [MACHINE\_FEATURES] list of hardware features the MACHINE supports + \footnote{acpi, alsa, apm, bluetooth, ext2, irda, keyboard, pci, pcmcia, + screen, serial, touchscreen, usbgadget, usbhost, wifi} + \item [MACHINE\_EXTRA\_RRECOMMENDS] list of machine-specific packages to + install as part of the image being built that are not essential for booting + the machine. The image being built has no build dependencies on the packages + in this list. +\item [SERIAL\_CONSOLE] speed and device for the serial port used to attach + the serial console. This variable is given to the kernel as the 'console' + parameter. After booting occurs, getty is started on that port so remote + login is possible. + \end{description} +\end{frame} + +\begin{frame} +\frametitle{compiler settings} +\begin{description} +\item [DEFAULTTUNE] e.g. armv6hf or cortexa8hf-neon, x86-64, \dots +\item [TUNE\_FEATURES] e.g. "armv7a vfp neon" +\item [TUNEVALID] Descriptions, stored as flags, of valid tuning features +\item [TUNECONFLICTS] list of conflicting features for a given feature +\end{description} +\end{frame} + +\begin{frame} +\frametitle{software} +\begin{description} +\item [PREFERRED\_VERSION\_xserver-xorg] compatible xserver version +\item [PREFERRED\_PROVIDER\_virtual/kernel] recommended kernel +\item [IMAGE\_FSTYPES] formats for the rootfs, e.g. "ext3 tar.bz2" +\item [IMAGE\_CLASSES] list of classes that all images should inherit, default + is image\_types, e.g. to hook in own image generation code +\end{description} +\end{frame} diff --git a/lx-trainer-vm/dd-dual.sh b/lx-trainer-vm/dd-dual.sh index 0fdec98..1881221 100755 --- a/lx-trainer-vm/dd-dual.sh +++ b/lx-trainer-vm/dd-dual.sh @@ -4,11 +4,13 @@ dd if=/dev/zero of=/dev/sdb bs=512 count=1 dd if=/dev/zero of=/dev/sdc bs=512 count=1 dd if=/dev/zero of=/dev/sdd bs=512 count=1 +dd if=/dev/zero of=/dev/sde bs=512 count=1 sync partprobe cat build/lx-trainer.img | tee \ + >(dd of=/dev/sde) \ >(dd of=/dev/sdb) \ >(dd of=/dev/sdc) \ | dd of=/dev/sdd @@ -18,11 +20,13 @@ sync echo -e "n\np\n\n\n\nw" | fdisk /dev/sdb echo -e "n\np\n\n\n\nw" | fdisk /dev/sdc echo -e "n\np\n\n\n\nw" | fdisk /dev/sdd +echo -e "n\np\n\n\n\nw" | fdisk /dev/sde partprobe mkfs.ext4 -F -L lxhome /dev/sdb2 mkfs.ext4 -F -L lxhome /dev/sdc2 mkfs.ext4 -F -L lxhome /dev/sdd2 +mkfs.ext4 -F -L lxhome /dev/sde2 mount /dev/sdb2 /mnt mkdir /mnt/devel @@ -41,3 +45,9 @@ mkdir /mnt/devel chown 1000:1000 /mnt/devel cp -a home-overlay/* /mnt/ umount /mnt + +mount /dev/sde2 /mnt +mkdir /mnt/devel +chown 1000:1000 /mnt/devel +cp -a home-overlay/* /mnt/ +umount /mnt diff --git a/lx-trainer-vm/dd-single.sh b/lx-trainer-vm/dd-single.sh index fb66814..1c17f5e 100755 --- a/lx-trainer-vm/dd-single.sh +++ b/lx-trainer-vm/dd-single.sh @@ -1,14 +1,13 @@ #!/bin/bash -dd if=build/lx-trainer.img of=/dev/sdb +dd if=build/lx-trainer.img of=/dev/sdb bs=5M echo -e "n\np\n\n\n\nw" | fdisk /dev/sdb partprobe -mkfs.ext4 -F -L lxhome /dev/sdb2 +mkfs.ext4 -F -L scratch /dev/sdb2 mount /dev/sdb2 /mnt mkdir /mnt/devel -chown 1000:1000 /mnt/devel -cp -a home-overlay/* /mnt/ +cp -a scratch/* /mnt/ umount /mnt diff --git a/lx-trainer-vm/dd.sh b/lx-trainer-vm/dd.sh index caa09f1..44685bc 100755 --- a/lx-trainer-vm/dd.sh +++ b/lx-trainer-vm/dd.sh @@ -2,32 +2,41 @@ cat build/lx-trainer.img | tee \ >(dd of=/dev/sde) \ + >(dd of=/dev/sdb) \ >(dd of=/dev/sdc) \ | dd of=/dev/sdd -echo -e "n\np\n\n\n\nw" | fdisk /dev/sde +echo -e "n\np\n\n\n\nw" | fdisk /dev/sdb echo -e "n\np\n\n\n\nw" | fdisk /dev/sdc echo -e "n\np\n\n\n\nw" | fdisk /dev/sdd +echo -e "n\np\n\n\n\nw" | fdisk /dev/sde partprobe -mkfs.ext4 -F -L lxhome /dev/sde2 -mkfs.ext4 -F -L lxhome /dev/sdc2 -mkfs.ext4 -F -L lxhome /dev/sdd2 +mkfs.ext4 -F -L scratch /dev/sdb2 +mkfs.ext4 -F -L scratch /dev/sdc2 +mkfs.ext4 -F -L scratch /dev/sdd2 +mkfs.ext4 -F -L scratch /dev/sde2 -mount /dev/sde2 /mnt +mount /dev/sdb2 /mnt mkdir /mnt/devel chown 1000:1000 /mnt/devel -cp -a home-overlay/* /mnt/ +cp -a scratch/* /mnt/ umount /mnt mount /dev/sdc2 /mnt mkdir /mnt/devel chown 1000:1000 /mnt/devel -cp -a home-overlay/* /mnt/ +cp -a scratch/* /mnt/ umount /mnt mount /dev/sdd2 /mnt mkdir /mnt/devel chown 1000:1000 /mnt/devel -cp -a home-overlay/* /mnt/ +cp -a scratch/* /mnt/ +umount /mnt + +mount /dev/sde2 /mnt +mkdir /mnt/devel +chown 1000:1000 /mnt/devel +cp -a scratch/* /mnt/ umount /mnt -- cgit v1.2.3