inherit ti-secdev kernel-uboot uboot-sign-legacyhs FITIMAGE_HASH_ALGO ?= "sha1" FITIMAGE_PACK_TEE ?= "0" FITIMAGE_DTB_BY_NAME ?= "0" FITIMAGE_TEE_BY_NAME ?= "0" FITIMAGE_CONF_BY_NAME ?= "0" python __anonymous () { kerneltypes = d.getVar('KERNEL_IMAGETYPES') or "" if 'fitImage' in kerneltypes.split(): depends = d.getVar("DEPENDS") depends = "%s u-boot-mkimage-native dtc-native" % depends d.setVar("DEPENDS", depends) uarch = d.getVar("UBOOT_ARCH") if uarch == "arm64": replacementtype = "Image" elif uarch == "mips": replacementtype = "vmlinuz.bin" elif uarch == "x86": replacementtype = "bzImage" elif uarch == "microblaze": replacementtype = "linux.bin" else: replacementtype = "zImage" # Override KERNEL_IMAGETYPE_FOR_MAKE variable, which is internal # to kernel.bbclass . We have to override it, since we pack zImage # (at least for now) into the fitImage . typeformake = d.getVar("KERNEL_IMAGETYPE_FOR_MAKE") or "" if 'fitImage' in typeformake.split(): d.setVar('KERNEL_IMAGETYPE_FOR_MAKE', typeformake.replace('fitImage', replacementtype)) image = d.getVar('INITRAMFS_IMAGE') if image: d.appendVarFlag('do_assemble_fitimage_initramfs', 'depends', ' ${INITRAMFS_IMAGE}:do_image_complete') # Verified boot will sign the fitImage and append the public key to # U-boot dtb. We ensure the U-Boot dtb is deployed before assembling # the fitImage: if d.getVar('UBOOT_SIGN_ENABLE'): uboot_pn = d.getVar('PREFERRED_PROVIDER_u-boot') or 'u-boot' d.appendVarFlag('do_assemble_fitimage', 'depends', ' %s:do_deploy' % uboot_pn) if d.getVar('FITIMAGE_PACK_TEE') == "1": d.appendVarFlag('do_assemble_fitimage', 'depends', ' optee-os:do_deploy') } # Options for the device tree compiler passed to mkimage '-D' feature: UBOOT_MKIMAGE_DTCOPTS ??= "" fitimage_ti_secure() { if test -f "${TI_SECURE_DEV_PKG}/scripts/secure-binary-image.sh"; then export TI_SECURE_DEV_PKG=${TI_SECURE_DEV_PKG} ${TI_SECURE_DEV_PKG}/scripts/secure-binary-image.sh $1 $2 else cp $1 $2 fi } # # Emit the fitImage ITS header # # $1 ... .its filename fitimage_emit_fit_header() { cat << EOF >> ${1} /dts-v1/; / { description = "U-Boot fitImage for ${DISTRO_NAME}/${PV}/${MACHINE}"; #address-cells = <1>; EOF } # # Emit the fitImage section bits # # $1 ... .its filename # $2 ... Section bit type: imagestart - image section start # confstart - configuration section start # sectend - section end # fitend - fitimage end # fitimage_emit_section_maint() { case $2 in imagestart) cat << EOF >> ${1} images { EOF ;; confstart) cat << EOF >> ${1} configurations { EOF ;; sectend) cat << EOF >> ${1} }; EOF ;; fitend) cat << EOF >> ${1} }; EOF ;; esac } # # Emit the fitImage ITS kernel section # # $1 ... .its filename # $2 ... Image counter # $3 ... Path to kernel image # $4 ... Compression type fitimage_emit_section_kernel() { kernel_csum=${FITIMAGE_HASH_ALGO} ENTRYPOINT="${UBOOT_ENTRYPOINT}" if test -n "${UBOOT_ENTRYSYMBOL}"; then ENTRYPOINT=`${HOST_PREFIX}nm ${S}/vmlinux | \ awk '$4=="${UBOOT_ENTRYSYMBOL}" {print $2}'` fi cat << EOF >> ${1} kernel-${2} { description = "Linux kernel"; data = /incbin/("${3}"); type = "kernel"; arch = "${UBOOT_ARCH}"; os = "linux"; compression = "${4}"; load = <${UBOOT_LOADADDRESS}>; entry = <${ENTRYPOINT}>; EOF if test -n "${FITIMAGE_HASH_ALGO}"; then cat << EOF >> ${1} hash-1 { algo = "${kernel_csum}"; }; EOF fi cat << EOF >> ${1} }; EOF } # # Emit the fitImage ITS DTB section # # $1 ... .its filename # $2 ... Image counter/name # $3 ... Path to DTB image # $4 ... Load address fitimage_emit_section_dtb() { dtb_csum=${FITIMAGE_HASH_ALGO} dtb_loadline="${4}" cat << EOF >> ${1} ${2} { description = "Flattened Device Tree blob"; data = /incbin/("${3}"); type = "flat_dt"; arch = "${UBOOT_ARCH}"; compression = "none"; ${dtb_loadline} EOF if test -n "${FITIMAGE_HASH_ALGO}"; then cat << EOF >> ${1} hash-1 { algo = "${dtb_csum}"; }; EOF fi cat << EOF >> ${1} }; EOF } # # Emit the fitImage ITS TEE section # # $1 ... .its filename # $2 ... Image counter/name # $3 ... Path to TEE image fitimage_emit_section_tee() { tee_csum=${FITIMAGE_HASH_ALGO} cat << EOF >> ${1} ${2} { description = "OPTEE OS Image"; data = /incbin/("${3}"); type = "tee"; arch = "${UBOOT_ARCH}"; compression = "none"; EOF if test -n "${FITIMAGE_HASH_ALGO}"; then cat << EOF >> ${1} hash-1 { algo = "${tee_csum}"; }; EOF fi cat << EOF >> ${1} }; EOF } # # Emit the fitImage ITS setup section # # $1 ... .its filename # $2 ... Image counter # $3 ... Path to setup image fitimage_emit_section_setup() { setup_csum=${FITIMAGE_HASH_ALGO} cat << EOF >> ${1} setup-${2} { description = "Linux setup.bin"; data = /incbin/("${3}"); type = "x86_setup"; arch = "${UBOOT_ARCH}"; os = "linux"; compression = "none"; load = <0x00090000>; entry = <0x00090000>; EOF if test -n "${FITIMAGE_HASH_ALGO}"; then cat << EOF >> ${1} hash-1 { algo = "${setup_csum}"; }; EOF fi cat << EOF >> ${1} }; EOF } # # Emit the fitImage ITS ramdisk section # # $1 ... .its filename # $2 ... Image counter # $3 ... Path to ramdisk image fitimage_emit_section_ramdisk() { ramdisk_csum=${FITIMAGE_HASH_ALGO} ramdisk_ctype="none" case $3 in *.gz|*.gz.sec) ramdisk_ctype="gzip" ;; *.bz2|*.bz2.sec) ramdisk_ctype="bzip2" ;; *.lzma|*.lzma.sec) ramdisk_ctype="lzma" ;; *.lzo|*.lzo.sec) ramdisk_ctype="lzo" ;; *.lz4|*.lz4.sec) ramdisk_ctype="lz4" ;; esac cat << EOF >> ${1} ramdisk-${2} { description = "ramdisk image"; data = /incbin/("${3}"); type = "ramdisk"; arch = "${UBOOT_ARCH}"; os = "linux"; compression = "${ramdisk_ctype}"; EOF if test -n "${UBOOT_RD_LOADADDRESS}"; then cat << EOF >> ${1} load = <${UBOOT_RD_LOADADDRESS}>; EOF fi if test -n "${UBOOT_RD_ENTRYPOINT}"; then cat << EOF >> ${1} entry = <${UBOOT_RD_ENTRYPOINT}>; EOF fi if test -n "${FITIMAGE_HASH_ALGO}"; then cat << EOF >> ${1} hash-1 { algo = "${ramdisk_csum}"; }; EOF fi cat << EOF >> ${1} }; EOF } # # Emit the fitImage ITS configuration section # # $1 ... .its filename # $2 ... Linux kernel ID # $3 ... DTB image ID/name # $4 ... ramdisk ID # $5 ... config ID # $6 ... tee ID/name fitimage_emit_section_config() { conf_csum=${FITIMAGE_HASH_ALGO} if [ -n "${UBOOT_SIGN_ENABLE}" ] ; then conf_sign_keyname="${UBOOT_SIGN_KEYNAME}" fi sep="" conf_desc="" kernel_line="" fdt_line="" ramdisk_line="" setup_line="" default_line="" if [ -n "${2}" ]; then conf_desc="Linux kernel" sep=", " kernel_line="kernel = \"kernel-${2}\";" fi if [ -n "${3}" ]; then conf_desc="${conf_desc}${sep}FDT blob" sep=", " fi if [ -n "${4}" ]; then conf_desc="${conf_desc}${sep}ramdisk" sep=", " ramdisk_line="ramdisk = \"ramdisk-${4}\";" fi if [ -n "${5}" ]; then conf_desc="${conf_desc}${sep}setup" sep=", " setup_line="setup = \"setup-${5}\";" fi if [ -n "${6}" -a "x${FITIMAGE_PACK_TEE}" = "x1" ]; then if [ "x${FITIMAGE_TEE_BY_NAME}" = "x1" ]; then loadables_line="loadables = \"${6}.optee\";" loadables_pager_line="loadables = \"${6}-pager.optee\";" else loadables_line="loadables = \"tee-${6}\";" nextnum=`expr ${6} + 1` loadables_pager_line="loadables = \"tee-${nextnum}\";" fi final_conf_desc="${conf_desc}${sep}OPTEE OS Image" else loadables_line="" loadables_pager_line="" final_conf_desc="${conf_desc}" fi dtbcount=1 for DTB in ${KERNEL_DEVICETREE}; do DTB=$(basename "${DTB}") dtb_ext=${DTB##*.} if [ "x${FITIMAGE_CONF_BY_NAME}" = "x1" ] ; then conf_name="${DTB}" else conf_name="conf-${dtbcount}" fi if [ "x${FITIMAGE_DTB_BY_NAME}" = "x1" ] ; then fdt_line="fdt = \"${DTB}\";" else fdt_line="fdt = \"fdt-${dtbcount}\";" fi if [ "x${dtbcount}" = "x1" ]; then cat << EOF >> ${1} default = "${conf_name}"; EOF fi # Generate a single configuration section cat << EOF >> ${1} ${conf_name} { description = "${final_conf_desc}"; ${fdt_line} EOF if [ "${dtb_ext}" != "dtbo" ]; then cat << EOF >> ${1} ${kernel_line} ${ramdisk_line} ${setup_line} ${loadables_line} EOF fi if test -n "${FITIMAGE_HASH_ALGO}"; then cat << EOF >> ${1} hash-1 { algo = "${conf_csum}"; }; EOF fi if [ ! -z "${conf_sign_keyname}" ] ; then sign_line="sign-images = \"kernel\"" if [ -n "${3}" ]; then sign_line="${sign_line}, \"fdt\"" fi if [ -n "${4}" ]; then sign_line="${sign_line}, \"ramdisk\"" fi if [ -n "${5}" ]; then sign_line="${sign_line}, \"setup\"" fi sign_line="${sign_line};" cat << EOF >> ${1} signature-1 { algo = "${conf_csum},rsa2048"; key-name-hint = "${conf_sign_keyname}"; ${sign_line} }; EOF fi cat << EOF >> ${1} }; EOF # End single config section # Generate a single "pager" configuration section if [ "${OPTEEPAGER}" = "y" ]; then if [ "x${FITIMAGE_CONF_BY_NAME}" = "x1" ] ; then conf_name="${DTB}-pager" else conf_name="conf-${dtbcount}" fi cat << EOF >> ${1} ${conf_name} { description = "${final_conf_desc}"; ${fdt_line} EOF if [ "${dtb_ext}" != "dtbo" ]; then cat << EOF >> ${1} ${kernel_line} ${ramdisk_line} ${setup_line} ${loadables_pager_line} EOF fi if test -n "${FITIMAGE_HASH_ALGO}"; then cat << EOF >> ${1} hash-1 { algo = "${conf_csum}"; }; EOF fi if [ ! -z "${conf_sign_keyname}" ] ; then sign_line="sign-images = \"kernel\"" if [ -n "${3}" ]; then sign_line="${sign_line}, \"fdt\"" fi if [ -n "${4}" ]; then sign_line="${sign_line}, \"ramdisk\"" fi if [ -n "${5}" ]; then sign_line="${sign_line}, \"setup\"" fi sign_line="${sign_line};" cat << EOF >> ${1} signature-1 { algo = "${conf_csum},rsa2048"; key-name-hint = "${conf_sign_keyname}"; ${sign_line} }; EOF fi cat << EOF >> ${1} }; EOF fi # End single config section dtbcount=`expr ${dtbcount} + 1` done } # # Assemble fitImage # # $1 ... .its filename # $2 ... fitImage name # $3 ... include ramdisk fitimage_assemble() { kernelcount=1 dtbcount="" ramdiskcount=${3} setupcount="" teecount=1 rm -f ${1} arch/${ARCH}/boot/${2} fitimage_emit_fit_header ${1} # # Step 1: Prepare a kernel image section. # fitimage_emit_section_maint ${1} imagestart uboot_prep_kimage fitimage_ti_secure linux.bin linux.bin.sec fitimage_emit_section_kernel ${1} "${kernelcount}" linux.bin.sec "${linux_comp}" # # Step 2: Prepare a DTB image section # if test -n "${KERNEL_DEVICETREE}"; then dtbcount=1 dtboaddress="${UBOOT_DTBO_LOADADDRESS}" for DTB in ${KERNEL_DEVICETREE}; do if echo ${DTB} | grep -q '/dts/'; then bbwarn "${DTB} contains the full path to the the dts file, but only the dtb name should be used." DTB=`basename ${DTB} | sed 's,\.dts$,.dtb,g'` fi DTB_PATH="arch/${ARCH}/boot/dts/${DTB}" if [ ! -e "${DTB_PATH}" ]; then DTB_PATH="arch/${ARCH}/boot/${DTB}" fi DTB=$(basename "${DTB}") dtb_ext=${DTB##*.} if [ "${dtb_ext}" = "dtbo" ]; then if [ -n "${UBOOT_DTBO_LOADADDRESS}" ]; then dtb_loadline="load = <${dtboaddress}>;" num1=`printf "%d\n" ${dtboaddress}` num2=`printf "%d\n" ${UBOOT_DTBO_OFFSET}` num3=`expr $num1 + $num2` dtboaddress=`printf "0x%x\n" $num3` fi elif [ -n "${UBOOT_DTB_LOADADDRESS}" ]; then dtb_loadline="load = <${UBOOT_DTB_LOADADDRESS}>;" fi fitimage_ti_secure ${DTB_PATH} ${DTB_PATH}.sec if [ "x${FITIMAGE_DTB_BY_NAME}" = "x1" ] ; then fitimage_emit_section_dtb ${1} ${DTB} ${DTB_PATH}.sec "${dtb_loadline}" else fitimage_emit_section_dtb ${1} "fdt-${dtbcount}" ${DTB_PATH}.sec "${dtb_loadline}" fi if [ "x${dtbcount}" = "x1" ]; then dtbref=${DTB} fi dtbcount=`expr ${dtbcount} + 1` done fi # # Step 2a: Prepare OP/TEE image section # if [ "x${FITIMAGE_PACK_TEE}" = "x1" ] ; then mkdir -p ${B}/usr rm -f ${B}/usr/${OPTEEFLAVOR}.optee if [ -e "${DEPLOY_DIR_IMAGE}/${OPTEEFLAVOR}.optee" ]; then cp ${DEPLOY_DIR_IMAGE}/${OPTEEFLAVOR}.optee ${B}/usr/. fi TEE_PATH="usr/${OPTEEFLAVOR}.optee" fitimage_ti_secure ${TEE_PATH} ${TEE_PATH}.sec if [ "x${FITIMAGE_TEE_BY_NAME}" = "x1" ] ; then fitimage_emit_section_tee ${1} ${OPTEEFLAVOR}.optee ${TEE_PATH}.sec else fitimage_emit_section_tee ${1} "tee-${teecount}" ${TEE_PATH}.sec fi if [ "${OPTEEPAGER}" = "y" ]; then teecount=`expr ${teecount} + 1` rm -f ${B}/usr/${OPTEEFLAVOR}-pager.optee if [ -e "${DEPLOY_DIR_IMAGE}/${OPTEEFLAVOR}-pager.optee" ]; then cp ${DEPLOY_DIR_IMAGE}/${OPTEEFLAVOR}-pager.optee ${B}/usr/. fi TEE_PATH="usr/${OPTEEFLAVOR}-pager.optee" fitimage_ti_secure ${TEE_PATH} ${TEE_PATH}.sec if [ "x${FITIMAGE_TEE_BY_NAME}" = "x1" ] ; then fitimage_emit_section_tee ${1} ${OPTEEFLAVOR}-pager.optee ${TEE_PATH}.sec else fitimage_emit_section_tee ${1} "tee-${teecount}" ${TEE_PATH}.sec fi fi fi # # Step 3: Prepare a setup section. (For x86) # if test -e arch/${ARCH}/boot/setup.bin ; then setupcount=1 fitimage_emit_section_setup ${1} "${setupcount}" arch/${ARCH}/boot/setup.bin fi # # Step 4: Prepare a ramdisk section. # if [ "x${ramdiskcount}" = "x1" ] ; then # Find and use the first initramfs image archive type we find for img in cpio.lz4 cpio.lzo cpio.lzma cpio.xz cpio.gz cpio; do initramfs_path="${DEPLOY_DIR_IMAGE}/${INITRAMFS_IMAGE}-${MACHINE}.${img}" initramfs_local="usr/${INITRAMFS_IMAGE}-${MACHINE}.${img}" echo "Using $initramfs_path" if [ -e "${initramfs_path}" ]; then fitimage_ti_secure ${initramfs_path} ${initramfs_local}.sec fitimage_emit_section_ramdisk ${1} "${ramdiskcount}" ${initramfs_local}.sec break fi done fi fitimage_emit_section_maint ${1} sectend # Force the first Kernel and DTB in the default config kernelcount=1 if test -n "${dtbcount}"; then dtbcount=1 fi teecount=1 # # Step 5: Prepare a configurations section # fitimage_emit_section_maint ${1} confstart if [ "x${FITIMAGE_DTB_BY_NAME}" != "x1" ] ; then dtbref="fdt-${dtbcount}" fi if [ "x${FITIMAGE_TEE_BY_NAME}" = "x1" ] ; then teeref="${OPTEEFLAVOR}" else teeref="${teecount}" fi fitimage_emit_section_config ${1} "${kernelcount}" "${dtbref}" "${ramdiskcount}" "${setupcount}" "${teeref}" fitimage_emit_section_maint ${1} sectend fitimage_emit_section_maint ${1} fitend # # Step 6: Assemble the image # uboot-mkimage \ ${@'-D "${UBOOT_MKIMAGE_DTCOPTS}"' if len('${UBOOT_MKIMAGE_DTCOPTS}') else ''} \ -f ${1} \ arch/${ARCH}/boot/${2} # # Step 7: Sign the image and add public key to U-Boot dtb # if [ "x${UBOOT_SIGN_ENABLE}" = "x1" ] ; then uboot-mkimage \ ${@'-D "${UBOOT_MKIMAGE_DTCOPTS}"' if len('${UBOOT_MKIMAGE_DTCOPTS}') else ''} \ -F -k "${UBOOT_SIGN_KEYDIR}" \ -K "${DEPLOY_DIR_IMAGE}/${UBOOT_DTB_BINARY}" \ -r arch/${ARCH}/boot/${2} fi } do_assemble_fitimage() { if echo ${KERNEL_IMAGETYPES} | grep -wq "fitImage"; then cd ${B} fitimage_assemble fit-image.its fitImage fi } addtask assemble_fitimage before do_install after do_compile do_assemble_fitimage_initramfs() { if echo ${KERNEL_IMAGETYPES} | grep -wq "fitImage" && \ test -n "${INITRAMFS_IMAGE}" ; then cd ${B} fitimage_assemble fit-image-${INITRAMFS_IMAGE}.its fitImage-${INITRAMFS_IMAGE} 1 fi } addtask assemble_fitimage_initramfs before do_deploy after do_install FITIMAGE_ITS_SUFFIX ?= "its" FITIMAGE_ITB_SUFFIX ?= "itb" FITIMAGE_ITS_IMAGE ?= "fitImage-its-${PKGE}-${PKGV}-${PKGR}-${MACHINE}-${DATETIME}.${FITIMAGE_ITS_SUFFIX}" FITIMAGE_ITS_IMAGE[vardepsexclude] = "DATETIME" FITIMAGE_ITS_BINARY ?= "fitImage-its.${FITIMAGE_ITS_SUFFIX}" FITIMAGE_ITS_SYMLINK ?= "fitImage-its-${MACHINE}.${FITIMAGE_ITS_SUFFIX}" FITIMAGE_ITB_IMAGE ?= "fitImage-linux.bin-${PKGE}-${PKGV}-${PKGR}-${MACHINE}-${DATETIME}.${FITIMAGE_ITB_SUFFIX}" FITIMAGE_ITB_IMAGE[vardepsexclude] = "DATETIME" FITIMAGE_ITB_BINARY ?= "fitImage-linux.bin.${FITIMAGE_ITB_SUFFIX}" FITIMAGE_ITB_SYMLINK ?= "fitImage-linux.bin-${MACHINE}.${FITIMAGE_ITB_SUFFIX}" FITIMAGE_INITRAMFS_ITS_IMAGE ?= "fitImage-its-${INITRAMFS_IMAGE}-${PKGE}-${PKGV}-${PKGR}-${MACHINE}-${DATETIME}.${FITIMAGE_ITS_SUFFIX}" FITIMAGE_INITRAMFS_ITS_IMAGE[vardepsexclude] = "DATETIME" FITIMAGE_INITRAMFS_ITS_BINARY ?= "fitImage-its-${INITRAMFS_IMAGE}.${FITIMAGE_ITS_SUFFIX}" FITIMAGE_INITRAMFS_ITS_SYMLINK ?= "fitImage-its-${INITRAMFS_IMAGE}-${MACHINE}.${FITIMAGE_ITS_SUFFIX}" FITIMAGE_INITRAMFS_ITB_IMAGE ?= "fitImage-${INITRAMFS_IMAGE}-${PKGE}-${PKGV}-${PKGR}-${MACHINE}-${DATETIME}.${FITIMAGE_ITB_SUFFIX}" FITIMAGE_INITRAMFS_ITB_IMAGE[vardepsexclude] = "DATETIME" FITIMAGE_INITRAMFS_ITB_BINARY ?= "fitImage-${INITRAMFS_IMAGE}.${FITIMAGE_ITB_SUFFIX}" FITIMAGE_INITRAMFS_ITB_SYMLINK ?= "fitImage-${INITRAMFS_IMAGE}-${MACHINE}.${FITIMAGE_ITB_SUFFIX}" kernel_do_deploy:append() { # Update deploy directory if echo ${KERNEL_IMAGETYPES} | grep -wq "fitImage"; then cd ${B} echo "Copying fit-image.its source file..." install -m 0644 fit-image.its ${DEPLOYDIR}/${FITIMAGE_ITS_IMAGE} install -m 0644 arch/${ARCH}/boot/fitImage ${DEPLOYDIR}/${FITIMAGE_ITB_IMAGE} if [ -n "${INITRAMFS_IMAGE}" ]; then echo "Copying fit-image-${INITRAMFS_IMAGE}.its source file..." install -m 0644 fit-image-${INITRAMFS_IMAGE}.its ${DEPLOYDIR}/${FITIMAGE_INITRAMFS_ITS_IMAGE} install -m 0644 arch/${ARCH}/boot/fitImage-${INITRAMFS_IMAGE} ${DEPLOYDIR}/${FITIMAGE_INITRAMFS_ITB_IMAGE} fi cd ${DEPLOYDIR} ln -sf ${FITIMAGE_ITS_IMAGE} ${FITIMAGE_ITS_SYMLINK} ln -sf ${FITIMAGE_ITS_IMAGE} ${FITIMAGE_ITS_BINARY} ln -sf ${FITIMAGE_ITB_IMAGE} ${FITIMAGE_ITB_SYMLINK} ln -sf ${FITIMAGE_ITB_IMAGE} ${FITIMAGE_ITB_BINARY} if [ -n "${INITRAMFS_IMAGE}" ]; then ln -sf ${FITIMAGE_INITRAMFS_ITS_IMAGE} ${FITIMAGE_INITRAMFS_ITS_SYMLINK} ln -sf ${FITIMAGE_INITRAMFS_ITS_IMAGE} ${FITIMAGE_INITRAMFS_ITS_BINARY} ln -sf ${FITIMAGE_INITRAMFS_ITB_IMAGE} ${FITIMAGE_INITRAMFS_ITB_SYMLINK} ln -sf ${FITIMAGE_INITRAMFS_ITB_IMAGE} ${FITIMAGE_INITRAMFS_ITB_BINARY} fi fi }