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# Base image class extension, inlined into every image.
# Phosphor image types
#
# New image types based on DTS partition information
#
inherit logging
# Image composition
FLASH_FULL_IMAGE ?= "fitImage-rootfs-${MACHINE}.bin"
IMAGE_BASETYPE ?= "squashfs-xz"
OVERLAY_BASETYPE ?= "jffs2"
IMAGE_TYPES += "mtd-auto"
IMAGE_TYPEDEP:mtd-auto = "${IMAGE_BASETYPE}"
IMAGE_TYPES_MASKED += "mtd-auto"
# Flash characteristics in KB unless otherwise noted
python() {
types = d.getVar('IMAGE_FSTYPES', True).split()
# TODO: find partition list in DTS
d.setVar('FLASH_UBOOT_OFFSET', str(0))
if 'intel-pfr' in types:
d.setVar('FLASH_SIZE', str(128*1024))
DTB_FULL_FIT_IMAGE_OFFSETS = [0xb00000]
else:
d.setVar('FLASH_SIZE', str(64*1024))
DTB_FULL_FIT_IMAGE_OFFSETS = [0x80000, 0x2480000]
d.setVar('FLASH_RUNTIME_OFFSETS', ' '.join(
[str(int(x/1024)) for x in DTB_FULL_FIT_IMAGE_OFFSETS]
)
)
}
mk_nor_image() {
image_dst="$1"
image_size_kb=$2
dd if=/dev/zero bs=1k count=$image_size_kb \
| tr '\000' '\377' > $image_dst
}
do_generate_auto() {
bbdebug 1 "do_generate_auto IMAGE_TYPES=${IMAGE_TYPES} size=${FLASH_SIZE}KB (${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.auto.mtd)"
# Assemble the flash image
mk_nor_image ${IMGDEPLOYDIR}/${IMAGE_NAME}.auto.mtd ${FLASH_SIZE}
dd bs=1k conv=notrunc seek=${FLASH_UBOOT_OFFSET} \
if=${DEPLOY_DIR_IMAGE}/u-boot.${UBOOT_SUFFIX} \
of=${IMGDEPLOYDIR}/${IMAGE_NAME}.auto.mtd
for OFFSET in ${FLASH_RUNTIME_OFFSETS}; do
dd bs=1k conv=notrunc seek=${OFFSET} \
if=${DEPLOY_DIR_IMAGE}/${FLASH_FULL_IMAGE} \
of=${IMGDEPLOYDIR}/${IMAGE_NAME}.auto.mtd
done
ln ${IMGDEPLOYDIR}/${IMAGE_NAME}.auto.mtd \
${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.auto.mtd
ln -sf ${IMAGE_NAME}.auto.mtd ${DEPLOY_DIR_IMAGE}/image-mtd
ln -sf ${IMAGE_NAME}.auto.mtd ${DEPLOY_DIR_IMAGE}/OBMC-${@ do_get_version(d)}.ROM
}
do_generate_auto[dirs] = "${S}/auto"
do_generate_auto[depends] += " \
${PN}:do_image_${@d.getVar('IMAGE_BASETYPE', True).replace('-', '_')} \
virtual/kernel:do_deploy \
u-boot:do_populate_sysroot \
"
python() {
types = d.getVar('IMAGE_FSTYPES', True).split()
if 'mtd-auto' in types:
bb.build.addtask(# task, depends_on_task, task_depends_on, d )
'do_generate_auto',
'do_build',
'do_image_complete', d)
}
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