Initial commit

poky/meta/recipes-core/udev/eudev/init

@@ -0,0 +1,130 @@
+#!/bin/sh
+
+### BEGIN INIT INFO
+# Provides:          udev
+# Required-Start:    mountvirtfs
+# Required-Stop:     
+# Default-Start:     S
+# Default-Stop:
+# Short-Description: Start udevd, populate /dev and load drivers.
+### END INIT INFO
+
+export TZ=/etc/localtime
+
+[ -d /sys/class ] || exit 1
+[ -r /proc/mounts ] || exit 1
+[ -x @UDEVD@ ] || exit 1
+
+[ -f /etc/udev/udev.conf ] && . /etc/udev/udev.conf
+[ -f /etc/default/rcS ] && . /etc/default/rcS
+
+kill_udevd () {
+    pid=`pidof -x udevd`
+    [ -n "$pid" ] && kill $pid
+}
+
+make_static_nodes () {
+    [ -e /lib/modules/$(uname -r)/modules.devname ] || return 0
+    [ -x @KMOD@ ] || return 0
+
+    #output to /proc/self/fd/1 since /dev/stdout not created by udevd yet
+    @KMOD@ static-nodes --format=tmpfiles --output=/proc/self/fd/1 |
+    while read TTYPE TPATH TMODE TUSER TGROUP TAGE TARG; do
+    case "${TTYPE}" in
+    'd')
+            test -d "${TPATH}" || mkdir -p -m "${TMODE}" "${TPATH}"
+            ;;
+
+    'c!')
+            if [ ! -c "${TPATH}" ]; then
+                    old_ifs="${IFS}"
+                    IFS=:
+                    set -- ${TARG}
+                    IFS="${old_ifs}"
+                    mknod -m "${TMODE}" "${TPATH}" c "$@"
+            fi
+            ;;
+
+    *)
+            echo "Unparseable line (${TTYPE} ${TPATH} ${TMODE} ${TUSER} ${TGROUP} ${TAGE} ${TARG})"
+            return 1
+            ;;
+    esac
+    if [ "${TUSER}" != "-" ]; then
+            chown "${TUSER}" "${TPATH}"
+    fi
+    if [ "${TGROUP}" != "-" ]; then
+            chgrp "${TGROUP}" "${TPATH}"
+    fi
+    done
+}
+
+case "$1" in
+  start)
+    export ACTION=add
+    # propagate /dev from /sys
+    echo "Starting udev"
+
+    # Check for requireed devtmpfs before trying to start udev and
+    # mount a no-existant fs.
+    if ! grep -q devtmpfs /proc/filesystems
+    then
+        echo "Missing devtmpfs, which is required for udev to run";
+        echo "Halting..."
+        halt
+    fi
+    # mount the devtmpfs on /dev, if not already done
+    LANG=C awk '$2 == "/dev" && ($3 == "devtmpfs") { exit 1 }' /proc/mounts && {
+            mount -n -o mode=0755 -t devtmpfs none "/dev"
+    }
+    [ -e /dev/pts ] || mkdir -m 0755 /dev/pts
+    [ -e /dev/shm ] || mkdir -m 1777 /dev/shm
+    # the automount rule for udev needs /tmp directory available, as /tmp is a symlink
+    # to /var/tmp which in turn is a symlink to /var/volatile/tmp, we need to make sure
+    # /var/volatile/tmp directory to be available.
+    mkdir -m 1777 -p /var/volatile/tmp
+
+    # make_extra_nodes
+    kill_udevd > "/dev/null" 2>&1
+
+    make_static_nodes
+    # trigger the sorted events
+    [ -e /proc/sys/kernel/hotplug ] && printf '\0\n' >/proc/sys/kernel/hotplug
+    @UDEVD@ -d
+
+    udevadm control --env=STARTUP=1
+    if [ "$not_first_boot" != "" ];then
+            if [ "$PROBE_PLATFORM_BUS" != "yes" ]; then
+                PLATFORM_BUS_NOMATCH="--subsystem-nomatch=platform"
+            else
+                PLATFORM_BUS_NOMATCH=""
+            fi
+            udevadm trigger --action=add --subsystem-nomatch=tty --subsystem-nomatch=mem --subsystem-nomatch=vc --subsystem-nomatch=vtconsole --subsystem-nomatch=misc --subsystem-nomatch=dcon --subsystem-nomatch=pci_bus --subsystem-nomatch=graphics --subsystem-nomatch=backlight --subsystem-nomatch=video4linux $PLATFORM_BUS_NOMATCH
+            (udevadm settle --timeout=3; udevadm control --env=STARTUP=)&
+    else
+            udevadm trigger --action=add
+            udevadm settle
+    fi
+    ;;
+  stop)
+    echo "Stopping udevd"
+    start-stop-daemon --stop --name udevd --quiet
+    ;;
+  restart)
+    $0 stop
+    sleep 1
+    $0 start
+    ;;
+  status)
+    pid=`pidof -x udevd`
+    if [ -n "$pid" ]; then
+	echo "udevd (pid $pid) is running ..."
+    else
+	echo "udevd is stopped"
+    fi
+    ;;
+  *)
+    echo "Usage: $0 {start|stop|status|restart}"
+    exit 1
+esac
+exit 0

poky/meta/recipes-core/udev/eudev/local.rules

@@ -0,0 +1,19 @@
+# There are a number of modifiers that are allowed to be used in some
+# of the different fields. They provide the following subsitutions:
+#
+# %n the "kernel number" of the device.
+#    For example, 'sda3' has a "kernel number" of '3'
+# %e the smallest number for that name which does not matches an existing node
+# %k the kernel name for the device
+# %M the kernel major number for the device
+# %m the kernel minor number for the device
+# %b the bus id for the device
+# %c the string returned by the PROGRAM
+# %s{filename} the content of a sysfs attribute
+# %% the '%' char itself
+#
+
+# Create a symlink to any touchscreen input device
+# Trigger based on input type, that the evbit (-e) has EV_SYN and EV_ABS,
+# has an EV_ABS value (-a) which is used for touchscreen type devices.
+SUBSYSTEM=="input", KERNEL=="event[0-9]*", ENV{ID_INPUT_TOUCHSCREEN}=="1", SYMLINK+="input/touchscreen0"