meta-xilinx-standalone: classes: Add bbclass for building esw examples

This patch adds bbclass which contains the common code for building the
esw examples.

This class does the below
--> Task generate_eglist generates the linker script for the given dtb
along with this it updates EXAMPLE_LIST CMAKE variable for the recipe.
--> deploys the images to the tmp/deploy folder.

Signed-off-by: Appana Durga Kedareswara rao <appana.durga.rao@xilinx.com>

1 files changed, 22 insertions, 0 deletions

diff --git a/meta-xilinx-standalone/classes/esw_examples.bbclass b/meta-xilinx-standalone/classes/esw_examples.bbclass
new file mode 100644
index 00000000..8b59ccb9
--- /dev/null
+++ b/meta-xilinx-standalone/classes/esw_examples.bbclass
@@ -0,0 +1,22 @@
+inherit esw deploy
+
+DEPENDS += "dtc-native python3-pyyaml-native xilstandalone xiltimer device-tree"
+
+do_generate_eglist () {
+    cd ${S}
+    nativepython3 ${S}/scripts/example.py -d ${DTBFILE} -o ${OECMAKE_SOURCEPATH}
+}
+addtask generate_eglist before do_configure after do_prepare_recipe_sysroot
+do_prepare_recipe_sysroot[rdeptask] = "do_unpack"
+
+do_install() {
+    install -d ${D}/${base_libdir}/firmware
+    install -m 0755  ${B}/*.elf ${D}/${base_libdir}/firmware
+}
+
+do_deploy() {
+    install -Dm 0644 ${WORKDIR}/package/${base_libdir}/firmware/*.elf ${DEPLOYDIR}/
+}
+addtask deploy before do_build after do_package
+
+FILES_${PN} = "${base_libdir}/firmware/*.elf"