openturbostation: Add image generation

1 files changed, 135 insertions, 0 deletions

diff --git a/packages/images/openturbostation-image.bb b/packages/images/openturbostation-image.bb
new file mode 100644
index 0000000000..31f39c9f95
--- /dev/null
+++ b/packages/images/openturbostation-image.bb
@@ -0,0 +1,135 @@
+DESCRIPTION = "Turbostation image"
+HOMEPAGE = "http://www.kynisk.com/opents"
+LICENSE = "MIT"
+PR = "r0"
+
+DEPENDS = "${MACHINE_TASK_PROVIDER}"
+EXTRA_IMAGECMD_jffs2 = "--big-endian --eraseblock=${ERASEBLOCK_SIZE} -D ${SLUGOS_DEVICE_TABLE}"
+IMAGE_LINGUAS = ""
+
+# Setting USE_DEVFS prevents *any* entries being created initially
+# in /dev
+#USE_DEVFS = "1"
+
+# This is passed to the image command to build the correct /dev
+# directory (because only the image program can make actual
+# dev entries!)
+SLUGOS_DEVICE_TABLE = "${@bb.which(bb.data.getVar('BBPATH', d, 1), 'files/device_table-slugos.txt')}"
+
+# IMAGE_PREPROCESS_COMMAND is run before making the image.
+# We use this to do a few things:
+# . remove the uImage, which is in a separate part of the flash already.
+# . adjust the default run level (sysvinit is 5 by default, we like 3)
+# . set a default root password, which is no more secure than a blank one
+#	(since it is documented, in case you were wondering)
+# . make the boot more verbose
+#
+IMAGE_PREPROCESS_COMMAND += "rm ${IMAGE_ROOTFS}/boot/uImage-*;"
+IMAGE_PREPROCESS_COMMAND += "sed -i -es,^id:5:initdefault:,id:3:initdefault:, ${IMAGE_ROOTFS}/etc/inittab;"
+IMAGE_PREPROCESS_COMMAND += "sed -i -es,^root::0,root:BTMzOOAQfESg6:0, ${IMAGE_ROOTFS}/etc/passwd;"
+IMAGE_PREPROCESS_COMMAND += "sed -i -es,^VERBOSE=no,VERBOSE=very, ${IMAGE_ROOTFS}/etc/default/rcS;"
+
+# Always just make a new flash image.
+PACK_IMAGE = 'storcenter_pack_image;'
+IMAGE_POSTPROCESS_COMMAND += "${PACK_IMAGE}"
+PACK_IMAGE_DEPENDS = ""
+#EXTRA_IMAGEDEPENDS += "${PACK_IMAGE_DEPENDS}"
+
+# This hack removes '${MACHINE}' from the end of the arch.conf for ipk,
+# preventing _mach.ipk (with no byte sex) taking precedence over everything
+# else.
+# but we want 'storcenter' in there so kernel modules work correctly.
+#
+#ROOTFS_POSTPROCESS_COMMAND += "sed -i '$d' '${IMAGE_ROOTFS}/etc/ipkg/arch.conf';"
+
+# These depends define native utilities - they do not get put in the flash and
+# are not required to build the image.
+IMAGE_TOOLS = ""
+#EXTRA_IMAGEDEPENDS += "${IMAGE_TOOLS}"
+
+# CONFIG:
+# SLUGOS_EXTRA_RDEPENDS: set in conf, things to add to the image
+# SLUGOS_SUPPORT:        set to here, see below, added to the image.
+# SLUGOS_KERNEL:         set here, kernel modules added to the image
+#
+# Do not override the last two unless you really know what you
+# are doing - there is more information below.
+
+# diff, cpio and find are required for reflash and turnup ram.
+# Removing these probably leaves the system bootable, but standard
+# openslug and ucslugc stuff won't work, so only take these out in
+# very non-standard turnkey slugos builds.
+#
+# udev is the default way of handling devices, there is no guarantee
+# that the static device table is completely correct (it is just
+# known to be sufficient for boot.)
+# we'ere still on 2.6.12 devfs....
+#OPENPROTIUM_SUPPORT ?= "diffutils cpio findutils udev"
+#
+TURBOSTATION_SUPPORT ?= "diffutils cpio findutils uboot-utils udev"
+
+# kernel-module-af-packet must be in the image for DHCP to work
+# kernel-module-netconsole is here because it is small and is
+# highly useful on minimal systems (which really don't have anywhere
+# other than the network to output error messages!)
+
+# this gets /lib/modules made....
+
+TURBOSTATION_KERNEL = ""
+
+RDEPENDS = " \
+	kernel base-files base-passwd netbase \
+        busybox initscripts-openturbostation openturbostation-init \
+        update-modules sysvinit tinylogin \
+	module-init-tools modutils-initscripts \
+        ipkg-collateral ipkg ipkg-link \
+	libgcc1 \
+	portmap \
+	dropbear \
+	e2fsprogs-blkid \
+	mdadm \
+	hdparm \
+	mtd-utils \
+	sccd \
+	util-linux-mount \
+	util-linux-umount \
+	util-linux-swaponoff \
+	util-linux-losetup \
+	udev \
+	${OPENTURBOSTATION_SUPPORT} \
+	${OPENTURBOSTATION_KERNEL} "
+
+PACKAGE_INSTALL = "${RDEPENDS}"
+
+inherit image
+
+turbostation_pack_image() {
+	# find latest kernel
+	KERNEL=`ls -tr ${DEPLOY_DIR_IMAGE}/uImage* | tail -1`
+	if [ -z "$KERNEL" ]; then
+		oefatal "No kernel found in ${DEPLOY_DIR_IMAGE}. Bitbake linux-turbostation to create one."
+		exit 1
+	fi
+	ROOTFS=${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.jffs2
+	OUTPUT=${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.flash.img
+	PADFILE=${DEPLOY_DIR_IMAGE}/padfile.zzz
+	HEX_MAX_KERN_SIZE=200000
+	DEC_MAX_KERN_SIZE=`echo "ibase=16; $HEX_MAX_KERN_SIZE" | bc `
+	HEX_MAX_ROOT_SIZE=C80000
+	DEC_MAX_ROOT_SIZE=`echo "ibase=16; $HEX_MAX_ROOT_SIZE" | bc `
+	KERNEL_SIZE=`ls -l $KERNEL | awk '{print $5}'`
+	if [ $KERNEL_SIZE -gt $DEC_MAX_KERN_SIZE ]; then
+	        oefatal "Kernel too large at $KERNEL_SIZE bytes.  Max is $DEC_MAX_KERN_SIZE."
+		exit 1
+	fi
+	ROOT_SIZE=`ls -l $ROOTFS | awk '{print $5}'`
+	if [ $ROOT_SIZE -gt $DEC_MAX_ROOT_SIZE ]; then
+		oefatal "Rootfs is too large at $ROOT_SIZE bytes.  Max is $DEC_MAX_ROOT_SIZE."
+		exit 1
+	fi
+	PAD_SIZE=`echo "$DEC_MAX_KERN_SIZE - $KERNEL_SIZE" | bc `
+	dd if=/dev/zero of=$PADFILE bs=$PAD_SIZE count=1 2>>/dev/null
+	cat $KERNEL $PADFILE $ROOTFS > $OUTPUT
+	rm -f $PADFILE
+	ls -l $OUTPUT
+}