meta-st-stm32mp/classes/image_types-stubi.bbclass

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inherit image_types
do_image_stmultiubi[depends] += "mtd-utils-native:do_populate_sysroot"
python stmultiub_environment () {
if d.getVar('MULTIUBI_BUILD'):
try:
f =open( ("%s/stmultiubi_environment" % d.getVar('T')), 'w')
for build in d.getVar('MULTIUBI_BUILD').split():
f.write( "export MKUBIFS_ARGS_%s=\"%s\"\n" % (build, d.getVar(('MKUBIFS_ARGS_' + build))) )
f.write( "export UBINIZE_ARGS_%s=\"%s\"\n" % (build, d.getVar(('UBINIZE_ARGS_' + build))) )
f.close()
except:
pass
}
IMAGE_PREPROCESS_COMMAND += "stmultiub_environment;"
IMAGE_CMD_stmultiubi () {
. ${T}/stmultiubi_environment
# Split MKUBIFS_ARGS_<name> and UBINIZE_ARGS_<name>
for name in ${MULTIUBI_BUILD}; do
eval local mkubifs_args=\"\$MKUBIFS_ARGS_${name}\"
eval local ubinize_args=\"\$UBINIZE_ARGS_${name}\"
multiubi_mkfs "${mkubifs_args}" "${ubinize_args}" "${name}"
cd ${IMGDEPLOYDIR}
if [ -e ubinize_${name}-${IMAGE_NAME}.cfg ]; then
# Set correct name for cfg file to allow automatic cleanup
mv ubinize_${name}-${IMAGE_NAME}.cfg ${IMAGE_NAME}_${name}.ubinize.cfg.ubi
# Create symlinks
ln -sf ${IMAGE_NAME}_${name}.ubinize.cfg.ubi ${IMAGE_LINK_NAME}_${name}.ubinize.cfg.ubi
fi
cd -
done
}
ENABLE_MULTIVOLUME_UBI ?= "1"
st_multivolume_ubifs() {
# This function depends on IMAGE_FSTYPES 'stmultiubi'
if [ "${@bb.utils.contains('IMAGE_FSTYPES', 'stmultiubi', '1', '0', d)}" != "1" ]; then
return
fi
if [ "${ENABLE_MULTIVOLUME_UBI}" != "1" ]; then
return
fi
# -----------------------------------------------------------------------------
# Define the list of volumes for the multi UBIFS with 'STM32MP_UBI_VOLUME' var.
# The format to follow is:
# STM32MP_UBI_VOLUME = "<VOL_NAME_1>:<VOL_SIZE_1> <VOL_NAME_2>:<VOL_SIZE_2>"
# Note that:
# - 'VOL_NAME' should follow 'IMAGE_LINK_NAME' format
# - 'VOL_SIZE' is set in KiB
# -----------------------------------------------------------------------------
# We check that user as explicitly provided multi volume UBIFS var
# and that partition images are also provided
if [ -n "${STM32MP_UBI_VOLUME}" ] && [ -n "${PARTITIONS_IMAGE}" ]; then
# We should only generate multi volume UBIFS for rootfs image and not
# any of the partition image one
for partition in ${PARTITIONS_IMAGE}; do
[ "${partition}-${DISTRO}-${MACHINE}" = "${IMAGE_LINK_NAME}" ] && return
done
. ${T}/stmultiubi_environment
for name in ${MULTIUBI_BUILD}; do
# Init var to populate 'vol_id' incrementally
volume_id=0
for ubivolume in ${STM32MP_UBI_VOLUME}; do
# Init UBI volume information
if [ -z "$(echo ${ubivolume} | grep ':')" ]; then
bbfatal "Missing ':' separator between UBI volume name and UBI volume size '${ubivolume}'"
fi
volume_name=$(echo ${ubivolume} | cut -d':' -f1)
volume_size=$(echo ${ubivolume} | cut -d':' -f2)
# Set ubinize config file for current volume
if [ -e ${IMGDEPLOYDIR}/${volume_name}_${name}.ubinize.cfg.ubi ]; then
ubinize_cfg=${IMGDEPLOYDIR}/${volume_name}_${name}.ubinize.cfg.ubi
elif [ -e ${DEPLOY_DIR_IMAGE}/${volume_name}_${name}.ubinize.cfg.ubi ]; then
ubinize_cfg=${DEPLOY_DIR_IMAGE}/${volume_name}_${name}.ubinize.cfg.ubi
else
bbfatal "Can't find any '${name}' ubinize config file for ${volume_name} in ${IMGDEPLOYDIR} or ${DEPLOY_DIR_IMAGE} folders"
fi
# Create temporary copy of ubinize config file for update
cp ${ubinize_cfg} ${WORKDIR}/
# Update ubifs path in cfg file with DEPLOY_DIR_IMAGE to avoid issue with RM_WORK feature
if [ -e ${DEPLOY_DIR_IMAGE}/${volume_name}_${name}.ubinize.cfg.ubi ]; then
sed 's|^image=.*/\('"${volume_name}"'.*\.ubifs\)$|image='"${DEPLOY_DIR_IMAGE}"'/\1|' -i ${WORKDIR}/$(basename ${ubinize_cfg})
fi
# Update generic name in cfg file
sed 's|\[ubifs\]|\['"${volume_name}"'\]|' -i ${WORKDIR}/$(basename ${ubinize_cfg})
# Update volume id in cfg file
sed 's|vol_id=0|vol_id='"${volume_id}"'|' -i ${WORKDIR}/$(basename ${ubinize_cfg})
volume_id=$(expr ${volume_id} + 1)
# Replace 'vol_flags' entry with 'vol_size' one in cfg file
sed 's|vol_flags=.*|vol_size='"${volume_size}KiB"'|' -i ${WORKDIR}/$(basename ${ubinize_cfg})
# Append ubinize config file to multivolume one
cat ${WORKDIR}/$(basename ${ubinize_cfg}) >> ${IMGDEPLOYDIR}/${IMAGE_NAME}_${name}_multivolume.ubinize.cfg.ubi
# Clean temporary file
rm -f ${WORKDIR}/$(basename ${ubinize_cfg})
done
# Add 'vol_flags' entry in ubinize multivolume config file
echo "vol_flags=autoresize" >> ${IMGDEPLOYDIR}/${IMAGE_NAME}_${name}_multivolume.ubinize.cfg.ubi
# Generate multivolume UBI
eval local ubinize_args=\"\$UBINIZE_ARGS_${name}\"
ubinize -o ${IMGDEPLOYDIR}/${IMAGE_NAME}_${name}_multivolume${IMAGE_NAME_SUFFIX}.ubi ${ubinize_args} ${IMGDEPLOYDIR}/${IMAGE_NAME}_${name}_multivolume.ubinize.cfg.ubi
# Create own symlinks for 'named' volumes
cd ${IMGDEPLOYDIR}
if [ -e ${IMAGE_NAME}_${name}_multivolume${IMAGE_NAME_SUFFIX}.ubi ]; then
ln -sf ${IMAGE_NAME}_${name}_multivolume${IMAGE_NAME_SUFFIX}.ubi ${IMAGE_LINK_NAME}_${name}_multivolume.ubi
ln -sf ${IMAGE_NAME}_${name}_multivolume.ubinize.cfg.ubi ${IMAGE_LINK_NAME}_${name}_multivolume.ubinize.cfg.ubi
fi
cd -
# Cleanup also DEPLOY_DIR_IMAGE from any other ubi artifacts
# This avoid duplicating data in DEPLOY_DIR_IMAGE
rm -f ${DEPLOY_DIR_IMAGE}/${IMAGE_LINK_NAME}-*_${name}_multivolume${IMAGE_NAME_SUFFIX}.ubi
rm -f ${DEPLOY_DIR_IMAGE}/${IMAGE_LINK_NAME}-*_${name}_multivolume.ubinize.cfg.ubi
done
fi
}
IMAGE_POSTPROCESS_COMMAND += " st_multivolume_ubifs ;"