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DESCRIPTION = "Foonas image"
LICENSE = "GPL"
PR = "r0"
DEPENDS = "${MACHINE_TASK_PROVIDER}"
EXTRA_IMAGECMD_jffs2 = "--big-endian --eraseblock=${ERASEBLOCK_SIZE} -D ${SLUGOS_DEVICE_TABLE}"
IMAGE_LINGUAS = ""
# This is passed to the image command to build the correct /dev
# directory (because only the image program can make actual
# dev entries!)
SLUGOS_DEVICE_TABLE = "${@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 += "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, ${IMAGE_ROOTFS}/etc/default/rcS;"
# Always just make a new flash image.
PACK_IMAGE = '${MACHINE}_pack_image;'
IMAGE_POSTPROCESS_COMMAND += "${PACK_IMAGE}"
PACK_IMAGE_DEPENDS = ""
#EXTRA_IMAGEDEPENDS += "${PACK_IMAGE_DEPENDS}"
# 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}"
FOONAS_SUPPORT += "diffutils cpio findutils uboot-utils udev"
# this gets /lib/modules made....
FOONAS_KERNEL = "kernel-module-ext3 kernel-module-minix \
kernel-module-usb-storage"
RDEPENDS = " \
base-files base-passwd netbase \
busybox initscripts foonas-init \
update-modules sysvinit tinylogin \
module-init-tools-depmod modutils-initscripts \
ipkg-collateral ipkg ipkg-link \
libgcc1 \
portmap \
dropbear \
e2fsprogs-blkid \
mdadm \
hdparm \
mtd-utils \
udev \
${FOONAS_SUPPORT} \
${FOONAS_KERNEL} "
PACKAGE_INSTALL = "${RDEPENDS}"
inherit image
# At this point you have to make a ${MACHINE}_pack_image for your machine.
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
}
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