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inherit image_types
IMAGE_BOOTLOADER ?= "u-boot"
# Handle u-boot suffixes
UBOOT_SUFFIX ?= "bin"
UBOOT_PADDING ?= "0"
UBOOT_SUFFIX_SDCARD ?= "${UBOOT_SUFFIX}"
# Linux bootstream
IMAGE_DEPENDS_linux.sb = "virtual/kernel:do_deploy"
# Boot partition volume id
BOOTDD_VOLUME_ID ?= "Boot ${MACHINE}"
# Boot partition size [in KiB]
BOOT_SPACE ?= "8192"
# Set alignment to 4MB [in KiB]
IMAGE_ROOTFS_ALIGNMENT = "4096"
IMAGE_DEPENDS_sdcard = "parted-native:do_populate_sysroot \
dosfstools-native:do_populate_sysroot \
mtools-native:do_populate_sysroot \
virtual/kernel:do_deploy \
${@d.getVar('IMAGE_BOOTLOADER', True) and d.getVar('IMAGE_BOOTLOADER', True) + ':do_deploy' or ''}"
SDCARD = "${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.sdcard"
SDCARD_GENERATION_COMMAND_ti33x = "generate_ti_sdcard"
generate_ti_sdcard () {
parted -s ${SDCARD} mklabel msdos
parted -s ${SDCARD} unit KiB mkpart primary fat32 ${IMAGE_ROOTFS_ALIGNMENT} $(expr ${IMAGE_ROOTFS_ALIGNMENT} \+ ${BOOT_SPACE_ALIGNED})
parted -s ${SDCARD} unit KiB mkpart primary $(expr ${IMAGE_ROOTFS_ALIGNMENT} \+ ${BOOT_SPACE_ALIGNED}) $(expr ${IMAGE_ROOTFS_ALIGNMENT} \+ ${BOOT_SPACE_ALIGNED} \+ $ROOTFS_SIZE)
parted -s ${SDCARD} set 1 boot on
parted ${SDCARD} print
BOOT_BLOCKS=$(LC_ALL=C parted -s ${SDCARD} unit b print \
| awk '/ 1 / { print substr($4, 1, length($4 -1)) / 1024 }')
mkfs.vfat -n "${BOOTDD_VOLUME_ID}" -S 512 -C ${WORKDIR}/boot.img $BOOT_BLOCKS
# copy files to /boot
mcopy -i ${WORKDIR}/boot.img -s ${DEPLOY_DIR_IMAGE}/MLO-${MACHINE} ::/MLO
mcopy -i ${WORKDIR}/boot.img -s ${DEPLOY_DIR_IMAGE}/u-boot-${MACHINE}.img ::/u-boot.img
mmd -i ${WORKDIR}/boot.img ::/boot
mcopy -i ${WORKDIR}/boot.img -s ${DEPLOY_DIR_IMAGE}/${KERNEL_IMAGETYPE}-${MACHINE}.bin ::/boot/${KERNEL_IMAGETYPE}
mcopy -i ${WORKDIR}/boot.img -s ${DEPLOY_DIR_IMAGE}/${KERNEL_IMAGETYPE}-am335x-boneblack.dtb ::/boot/am335x-boneblack.dtb
mcopy -i ${WORKDIR}/boot.img -s ${DEPLOY_DIR_IMAGE}/uEnv.txt ::/uEnv.txt
# Burn Partition
dd if=${WORKDIR}/boot.img of=${SDCARD} conv=notrunc seek=1 bs=$(expr ${IMAGE_ROOTFS_ALIGNMENT} \* 1024) && sync && sync
dd if=${SDCARD_ROOTFS} of=${SDCARD} conv=notrunc seek=1 bs=$(expr ${BOOT_SPACE_ALIGNED} \* 1024 + ${IMAGE_ROOTFS_ALIGNMENT} \* 1024) && sync && sync
}
IMAGE_CMD_sdcard () {
if [ -z "${SDCARD_ROOTFS}" ]; then
bberror "SDCARD_ROOTFS is undefined. To use sdcard image from Freescale's BSP it needs to be defined."
exit 1
fi
# Align boot partition and calculate total SD card image size
BOOT_SPACE_ALIGNED=$(expr ${BOOT_SPACE} + ${IMAGE_ROOTFS_ALIGNMENT} - 1)
BOOT_SPACE_ALIGNED=$(expr ${BOOT_SPACE_ALIGNED} - ${BOOT_SPACE_ALIGNED} % ${IMAGE_ROOTFS_ALIGNMENT})
SDCARD_SIZE=$(expr ${IMAGE_ROOTFS_ALIGNMENT} + ${BOOT_SPACE_ALIGNED} + $ROOTFS_SIZE + ${IMAGE_ROOTFS_ALIGNMENT})
# Initialize a sparse file
dd if=/dev/zero of=${SDCARD} bs=1 count=0 seek=$(expr 1024 \* ${SDCARD_SIZE})
${SDCARD_GENERATION_COMMAND}
}
# The sdcard requires the rootfs filesystem to be built before using
# it so we must make this dependency explicit.
IMAGE_TYPEDEP_sdcard = "${@d.getVar('SDCARD_ROOTFS', 1).split('.')[-1]}"
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