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| author | Manuel Traut <manut@linutronix.de> | 2016-05-18 09:44:42 +0200 |
|---|---|---|
| committer | Manuel Traut <manut@linutronix.de> | 2016-05-18 09:44:42 +0200 |
| commit | e11da41853ddb36745c68adaab352fbe00bebc16 (patch) | |
| tree | 6910e39f9f93b1622cc6692701ae42fd289e339a /distribution/yocto-advanced/yocto-add-own-kernel.tex | |
| parent | 03566e0d038005ca58630c3decc1f5ae301a67a7 (diff) | |
split yocto advanced training
use several tex files and include them in the presentation
Signed-off-by: Manuel Traut <manut@linutronix.de>
Diffstat (limited to 'distribution/yocto-advanced/yocto-add-own-kernel.tex')
| -rw-r--r-- | distribution/yocto-advanced/yocto-add-own-kernel.tex | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/distribution/yocto-advanced/yocto-add-own-kernel.tex b/distribution/yocto-advanced/yocto-add-own-kernel.tex new file mode 100644 index 0000000..7f86ecc --- /dev/null +++ b/distribution/yocto-advanced/yocto-add-own-kernel.tex @@ -0,0 +1,74 @@ +\subsection{Writing recipes} +\begin{frame}[fragile] +\frametitle{adding a kernel} +create the file 'meta-mini/recipes-bsp/linux-vanilla/linux-vanilla\_3.16.1.bb': +\begin{verbatim} +SECTION = "kernel" +DESCRIPTION = "Linux vanilla kernel" +LICENSE = "GPLv2" +LIC_FILES_CHKSUM = "file://COPYING;md5=d7810fab7487fb0aad327b76f1be7cd7" +KERNEL_IMAGETYPE ?= "uImage" + +inherit kernel +require recipes-kernel/linux/linux-dtb.inc +\end{verbatim} +\end{frame} + +\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" + +S = "${WORKDIR}/git + +BRANCH = "master" +SRC_URI = "https://www.kernel.org/pub/linux/kernel/v3.x/linux-${PV}.tar.xz \ + file://defconfig" + +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' +} +\end{verbatim} +\end{frame} + +\begin{frame}[fragile] +\frametitle{adding a defconfig} +copy your .config file to +'meta-mini/recipes-bsp/linux-vanilla/files/beaglebone-black/defconfig' +\end{frame} + +\begin{frame}[fragile] +\frametitle{using a specific kernel} +add +\begin{verbatim} +PREFERRED_PROVIDER_virtual/kernel = "linux-vanilla" +\end{verbatim} +to meta-mini/machine/beaglebone-black.conf +\end{frame} + +\begin{frame}[fragile] +\frametitle{Providers} +\begin{verbatim} +--8<- meta/classos/kernel.bbclass -- +PROVIDES += "virtual/kernel" +--8<-------------------------------- +\end{verbatim} + +PREFERRED\_PROVIDER\_virtual/kernel = "linux-vanilla" + + +\pause +\vspace{2em} +also a preferred version can be set: + +PREFERRED\_VERSION\_virtual/kernel = "3.18.5" +\end{frame} |
