layer-building: add scripts to automatically build yocto layers

The yocto training requires a lot of data to be
prebuilt/downloaded (about 15GB). These scripts can be used
to automatically download/prebuild all that data and create
the various layer tarballs.

Signed-off-by: John Ogness <john.ogness@linutronix.de>

1 files changed, 48 insertions, 0 deletions

diff --git a/schulung_tools/layer-building/yocto/machines/vexpress.source b/schulung_tools/layer-building/yocto/machines/vexpress.source
new file mode 100644
index 0000000..3f6f63d
--- /dev/null
+++ b/schulung_tools/layer-building/yocto/machines/vexpress.source
@@ -0,0 +1,48 @@
+test -d /home/prebuilt/meta-schulung || exit 1
+
+metapath=/home/devel/meta-schulung
+wkspath=$metapath/scripts/lib/wic/canned-wks
+bbfile=$metapath/recipes-core/busybox/busybox_1.29.3.bb
+
+setup_extra() {
+cat << EOF >> conf/local.conf
+DISTRO = "schulung"
+SCHULUNG_FEATURES = "devel"
+CORE_IMAGE_EXTRA_INSTALL = "hello"
+#CORE_IMAGE_EXTRA_INSTALL += "simplehello"
+IMAGE_FSTYPES += "wic"
+EOF
+
+if [ ! -d $metapath ]; then
+	cd `dirname $metapath`
+	cp -a /home/prebuilt/meta-schulung .
+	cd -
+fi
+
+cp $wkspath/core-image-schulung.$MACHINE.wks \
+	$wkspath/core-image-minimal.$MACHINE.wks
+
+mv $bbfile $bbfile.orig || true
+
+cat << 'EOF' > conf/bblayers.conf
+# POKY_BBLAYERS_CONF_VERSION is increased each time build/conf/bblayers.conf
+# changes incompatibly
+POKY_BBLAYERS_CONF_VERSION = "2"
+
+BBPATH = "${TOPDIR}"
+BBFILES ?= ""
+
+BBLAYERS ?= " \
+  /home/devel/yocto/source/poky/meta \
+  /home/devel/yocto/source/poky/meta-poky \
+  /home/devel/yocto/source/poky/meta-yocto-bsp \
+  /home/devel/meta-schulung \
+  "
+EOF
+}
+
+build_extra() {
+mv $bbfile.orig $bbfile || true
+bitbake core-image-schulung
+bitbake -c populate_sdk core-image-schulung
+}