Split out *image* and *task* from packages/meta into their own subdirs.

Inspired by http://svn.o-hand.com/view/poky?rev=531&view=rev

1 files changed, 140 insertions, 0 deletions

diff --git a/packages/images/slugos-image.bb b/packages/images/slugos-image.bb
new file mode 100644
index 0000000000..428a48bc28
--- /dev/null
+++ b/packages/images/slugos-image.bb
@@ -0,0 +1,140 @@
+# This describes a generic SlugOS image, even though the bb file is
+# called 'slugos-image.bb' the distro specific configuration is
+# done in conf/distro/${DISTRO}.conf (which should always include
+# conf/distro/slugos.conf to get the standard settings).
+#
+DESCRIPTION = "Generic SlugOS image"
+MAINTAINER = "NSLU2 Linux <nslu2-linux@yahoogroups.com>"
+HOMEPAGE = "http://www.nslu2-linux.org"
+LICENSE = "MIT"
+PR = "r28"
+
+# SLUGOS_IMAGENAME defines the name of the image to be build, if it
+# is not set this package will be skipped!
+IMAGE_BASENAME = "${SLUGOS_IMAGENAME}"
+IMAGE_FSTYPES = "jffs2"
+EXTRA_IMAGECMD_jffs2 = "--pad --${SLUGOS_IMAGESEX} --eraseblock=0x20000 -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.  In SlugOS the
+# kernel image is removed from the root file system to recover the space used -
+# SlugOS is assumed to boot from a separate kernel image in flash (not in the
+# root file system), if this is not the case the following must not be done!
+IMAGE_PREPROCESS_COMMAND += "rm ${IMAGE_ROOTFS}/boot/zImage*;"
+IMAGE_PREPROCESS_COMMAND += "install -c -m 644 ${SLUGOS_DEVICE_TABLE} ${IMAGE_ROOTFS}/etc/device_table;"
+
+# Building a full image.  If required do a post-process command which builds
+# the full flash image using slugimage.  At present this only works for NSLU2 images.
+PACK_IMAGE = ""
+IMAGE_POSTPROCESS_COMMAND += "${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.
+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.)
+SLUGOS_SUPPORT ?= "diffutils cpio findutils 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!)
+SLUGOS_KERNEL ?= "kernel-module-af-packet kernel-module-netconsole"
+       
+RDEPENDS = "kernel ixp-eth \
+	base-files base-passwd netbase \
+        busybox hotplug-ng initscripts-slugos slugos-init \
+        update-modules sysvinit tinylogin \
+	module-init-tools modutils-initscripts \
+        ipkg-collateral ipkg ipkg-link \
+	portmap \
+	dropbear \
+	beep \
+	e2fsprogs-blkid \
+	util-linux-mount \
+	util-linux-umount \
+	util-linux-swaponoff \
+	util-linux-losetup \
+	${SLUGOS_SUPPORT} \
+	${SLUGOS_KERNEL} \
+	${SLUGOS_EXTRA_RDEPENDS}"
+
+IPKG_INSTALL = "${RDEPENDS}"
+
+inherit image_ipk
+
+python () {
+	# Don't build slugos images unless the configuration is set up
+	# for an image build!
+	if bb.data.getVar("SLUGOS_IMAGENAME", d, 1) == '' or bb.data.getVar("SLUGOS_IMAGESEX", d, 1) == '':
+		raise bb.parse.SkipPackage("absent or broken SlugOS configuration")
+}
+
+#--------------------------------------------------------------------------------
+# NSLU2 specific
+#
+#NOTE: you do not actually need the boot loader in normal use because it is
+# *not* overwritten by a standard upslug upgrade, so you can make an image with
+# just non-LinkSys software which can be flashed into the NSLU2.  Because
+# LinkSys have made "EraseAll" available, however, (this does overwrite RedBoot)
+# it is a bad idea to produce flash images without a valid RedBoot - that allows
+# an innocent user upgrade attempt to instantly brick the NSLU2.
+PACK_IMAGE += "${@['', 'nslu2_pack_image;'][bb.data.getVar('SLUGOS_FLASH_IMAGE', d, 1) == 'yes']}"
+PACK_IMAGE_DEPENDS += "${@['', 'slugimage-native nslu2-linksys-firmware'][bb.data.getVar('SLUGOS_FLASH_IMAGE', d, 1) == 'yes']}"
+
+NSLU2_SLUGIMAGE_ARGS ?= ""
+
+nslu2_pack_image() {
+	if test '${SLUGOS_FLASH_IMAGE}' = yes
+	then
+		install -d ${DEPLOY_DIR_IMAGE}/slug
+		install -m 0644 ${STAGING_LIBDIR}/nslu2-binaries/RedBoot \
+				${STAGING_LIBDIR}/nslu2-binaries/Trailer \
+				${STAGING_LIBDIR}/nslu2-binaries/SysConf \
+				${DEPLOY_DIR_IMAGE}/slug/
+		install -m 0644 ${DEPLOY_DIR_IMAGE}/zImage-nslu2${ARCH_BYTE_SEX} \
+			${DEPLOY_DIR_IMAGE}/slug/vmlinuz
+		install -m 0644 ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.jffs2 \
+			${DEPLOY_DIR_IMAGE}/slug/flashdisk.jffs2
+		cd ${DEPLOY_DIR_IMAGE}/slug
+		slugimage -p -b RedBoot -s SysConf -r Ramdisk:1,Flashdisk:flashdisk.jffs2 -t \
+			Trailer -o ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.flashdisk.img \
+			${NSLU2_SLUGIMAGE_ARGS}
+		rm -rf ${DEPLOY_DIR_IMAGE}/slug
+	fi
+}
+
+# upslug2 (in tmp/work/upslug2-native-*) is the program to write the NSLU2 flash
+IMAGE_TOOLS_nslu2 = "upslug2-native"