1 files changed, 64 insertions, 0 deletions
diff --git a/recipes/slugos-init/files/boot/ram b/recipes/slugos-init/files/boot/ram
new file mode 100644
index 0000000000..0a8fe1d25d
--- /dev/null
+++ b/recipes/slugos-init/files/boot/ram
@@ -0,0 +1,64 @@
+#!/bin/sh
+# boot from the hard disk partition "$1" (which
+# must be given) using options from the rest of
+# the command line.
+
+# Use the standard init path (see /etc/init.d/rcS)
+export PATH=/sbin:/bin:/usr/sbin:/usr/bin
+
+# Mount required fileystems if necessary
+[ -e /proc/cpuinfo ] || mount -t proc  proc  /proc
+[ -e /sys/class    ] || mount -t sysfs sysfs /sys
+
+# Load the helper functions
+. /etc/default/functions
+
+leds beep -r 2
+leds boot system
+
+if test -n "$1"
+then
+	device="$1"
+	shift
+	echo "boot: rootfs: mount $* $device"
+
+	# prepare the device.  This uses tmpfs to avoid dependency
+	# on non-built-in file systems and because tmpfs can expand
+	# to bigger than the 10MByte ram0 partition used before.
+	# The 'device' is currently unused.
+	if mount -t tmpfs "$@" tmpfs /mnt
+	then
+		cd /
+		# filter out boot (with zimage), linuxrc and anything
+		# below /var, keep dev or the boot will fail. Take
+		# care that nothing is mounted at this point!
+		umount /proc
+		umount /sys
+		find . -xdev -print |
+		sed '\@^./boot/@d;\@^./boot$@d;\@^./linuxrc@d;\@^./var/@d' |
+		cpio -p -d -m -u /mnt
+		# busybox find with -xdev will not print the name of the
+		# mountpoint, so create the empty dir manually if required.
+		test -d /mnt/mnt || mkdir /mnt/mnt
+		# checkmount checks for sh, chroot, init, /dev
+		# and /mnt (i.e. /mnt/mnt in this case).
+		# minimaldevnodes checks (and creates if required)
+		# a few mandatory /dev nodes we may need.
+		if checkmount /mnt && minimaldevnodes /mnt
+		then
+			# pivot to /mnt
+			cd /
+			swivel mnt mnt
+			# swivel failed
+		fi
+		# Failure: unmount the partition
+		umount /mnt
+		# Remount /proc and /sys if necessary
+		[ -e /proc/cpuinfo ] || mount -t proc  proc  /proc
+		[ -e /sys/class    ] || mount -t sysfs sysfs /sys
+	fi
+fi
+
+# fallback - use the flash boot
+leds beep -f 1000 -r 2
+exec /boot/flash