docker image for rpi3_64

recipes-core/busybox/busybox_%.bbappend

@@ -0,0 +1,19 @@
+FILESEXTRAPATHS_prepend := "${THISDIR}/files:"
+
+SRC_URI += " \
+    file://S20load_modules.sh \
+    file://fragments.cfg \
+    file://ntp.conf \
+    file://ntpd \
+"
+
+do_install_append () {
+        install -d ${D}${sysconfdir}/rcS.d/
+        install -m 0644 ${WORKDIR}/ntp.conf ${D}${sysconfdir}
+        install -m 0755 ${WORKDIR}/ntpd ${D}${sysconfdir}/init.d/
+        install -m 0755 ${WORKDIR}/S20load_modules.sh ${D}${sysconfdir}/rcS.d/
+
+        cd ${D}${sysconfdir}/rcS.d/
+        ln -s ../init.d/ntpd S48ntpd.sh
+}
+

recipes-core/busybox/files/S20load_modules.sh

@@ -0,0 +1,26 @@
+#!/bin/sh
+
+LOAD_DIR="/etc/modules-load.d"
+MODULES="$(ls $LOAD_DIR)"
+
+case "${1}" in
+        start)
+                for MOD in $MODULES;
+                do
+                        while read module args;
+                        do
+                                # Ignore comments and blank lines
+                                case "$module" in
+                                        ""|"#"*) continue;;
+                                esac
+
+                                modprobe ${module} ${args}
+                        done < $LOAD_DIR/$MOD
+                done
+                ;;
+        *)
+        echo "Usage: ${0} {start}"
+        exit 1
+        ;;
+esac
+

recipes-core/busybox/files/fragments.cfg

@@ -0,0 +1,5 @@
+CONFIG_NTPD=y
+CONFIG_FEATURE_NTPD_SERVER=y
+CONFIG_FEATURE_NTPD_CONF=y
+CONFIG_FEATURE_NTP_AUTH=y
+

recipes-core/busybox/files/ntp.conf

@@ -0,0 +1,5 @@
+server 0.europe.pool.ntp.org
+server 1.europe.pool.ntp.org
+server 2.europe.pool.ntp.org
+server 3.europe.pool.ntp.org
+

recipes-core/busybox/files/ntpd

@@ -0,0 +1,12 @@
+#!/bin/sh
+
+case "${1}" in
+        start)
+                ntpd -q
+                ;;
+        *)
+        echo "Usage: ${0} {start}"
+        exit 1
+        ;;
+esac
+