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- inherit kernel-uboot kernel-artifact-names uboot-sign
- python __anonymous () {
- kerneltypes = d.getVar('KERNEL_IMAGETYPES') or ""
- if 'fitImage' in kerneltypes.split():
- depends = d.getVar("DEPENDS")
- depends = "%s u-boot-tools-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') == "1":
- uboot_pn = d.getVar('PREFERRED_PROVIDER_u-boot') or 'u-boot'
- d.appendVarFlag('do_assemble_fitimage', 'depends', ' %s:do_deploy' % uboot_pn)
- }
- # Options for the device tree compiler passed to mkimage '-D' feature:
- UBOOT_MKIMAGE_DTCOPTS ??= ""
- #
- # 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
- # $4 ... Compression type
- fitimage_emit_section_kernel() {
- kernel_csum="sha1"
- ENTRYPOINT="${UBOOT_ENTRYPOINT}"
- if [ -n "${UBOOT_ENTRYSYMBOL}" ]; then
- ENTRYPOINT=`${HOST_PREFIX}nm vmlinux | \
- awk '$3=="${UBOOT_ENTRYSYMBOL}" {print "0x"$1;exit}'`
- 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 = <${ENTRYPOINT}>;
- hash@1 {
- algo = "${kernel_csum}";
- };
- };
- EOF
- }
- #
- # Emit the fitImage ITS DTB section
- #
- # $1 ... .its filename
- # $2 ... Image counter
- # $3 ... Path to DTB image
- fitimage_emit_section_dtb() {
- dtb_csum="sha1"
- dtb_loadline=""
- dtb_ext=${DTB##*.}
- if [ "${dtb_ext}" = "dtbo" ]; then
- if [ -n "${UBOOT_DTBO_LOADADDRESS}" ]; then
- dtb_loadline="load = <${UBOOT_DTBO_LOADADDRESS}>;"
- fi
- elif [ -n "${UBOOT_DTB_LOADADDRESS}" ]; then
- dtb_loadline="load = <${UBOOT_DTB_LOADADDRESS}>;"
- fi
- cat << EOF >> ${1}
- fdt@${2} {
- description = "Flattened Device Tree blob";
- data = /incbin/("${3}");
- type = "flat_dt";
- arch = "${UBOOT_ARCH}";
- compression = "none";
- ${dtb_loadline}
- hash@1 {
- algo = "${dtb_csum}";
- };
- };
- EOF
- }
- #
- # Emit the fitImage ITS setup section
- #
- # $1 ... .its filename
- # $2 ... Image counter
- # $3 ... Path to setup image
- fitimage_emit_section_setup() {
- setup_csum="sha1"
- 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>;
- hash@1 {
- algo = "${setup_csum}";
- };
- };
- EOF
- }
- #
- # Emit the fitImage ITS ramdisk section
- #
- # $1 ... .its filename
- # $2 ... Image counter
- # $3 ... Path to ramdisk image
- fitimage_emit_section_ramdisk() {
- ramdisk_csum="sha1"
- ramdisk_ctype="none"
- ramdisk_loadline=""
- ramdisk_entryline=""
- if [ -n "${UBOOT_RD_LOADADDRESS}" ]; then
- ramdisk_loadline="load = <${UBOOT_RD_LOADADDRESS}>;"
- fi
- if [ -n "${UBOOT_RD_ENTRYPOINT}" ]; then
- ramdisk_entryline="entry = <${UBOOT_RD_ENTRYPOINT}>;"
- fi
- case $3 in
- *.gz)
- ramdisk_ctype="gzip"
- ;;
- *.bz2)
- ramdisk_ctype="bzip2"
- ;;
- *.lzma)
- ramdisk_ctype="lzma"
- ;;
- *.lzo)
- ramdisk_ctype="lzo"
- ;;
- *.lz4)
- ramdisk_ctype="lz4"
- ;;
- esac
- cat << EOF >> ${1}
- ramdisk@${2} {
- description = "${INITRAMFS_IMAGE}";
- data = /incbin/("${3}");
- type = "ramdisk";
- arch = "${UBOOT_ARCH}";
- os = "linux";
- compression = "${ramdisk_ctype}";
- ${ramdisk_loadline}
- ${ramdisk_entryline}
- hash@1 {
- algo = "${ramdisk_csum}";
- };
- };
- EOF
- }
- #
- # Emit the fitImage ITS configuration section
- #
- # $1 ... .its filename
- # $2 ... Linux kernel ID
- # $3 ... DTB image name
- # $4 ... ramdisk ID
- # $5 ... config ID
- # $6 ... default flag
- fitimage_emit_section_config() {
- conf_csum="sha1"
- if [ -n "${UBOOT_SIGN_ENABLE}" ] ; then
- conf_sign_keyname="${UBOOT_SIGN_KEYNAME}"
- fi
- # Test if we have any DTBs at all
- sep=""
- conf_desc=""
- kernel_line=""
- fdt_line=""
- ramdisk_line=""
- setup_line=""
- default_line=""
- if [ -n "${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=", "
- fdt_line="fdt = \"fdt@${3}\";"
- fi
- if [ -n "${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"
- setup_line="setup = \"setup@${5}\";"
- fi
- if [ "${6}" = "1" ]; then
- default_line="default = \"conf@${3}\";"
- fi
- cat << EOF >> ${1}
- ${default_line}
- conf@${3} {
- description = "${6} ${conf_desc}";
- ${kernel_line}
- ${fdt_line}
- ${ramdisk_line}
- ${setup_line}
- hash@1 {
- algo = "${conf_csum}";
- };
- EOF
- if [ ! -z "${conf_sign_keyname}" ] ; then
- sign_line="sign-images = "
- sep=""
- if [ -n "${2}" ]; then
- sign_line="${sign_line}${sep}\"kernel\""
- sep=", "
- fi
- if [ -n "${3}" ]; then
- sign_line="${sign_line}${sep}\"fdt\""
- sep=", "
- fi
- if [ -n "${4}" ]; then
- sign_line="${sign_line}${sep}\"ramdisk\""
- sep=", "
- fi
- if [ -n "${5}" ]; then
- sign_line="${sign_line}${sep}\"setup\""
- fi
- sign_line="${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
- }
- #
- # Assemble fitImage
- #
- # $1 ... .its filename
- # $2 ... fitImage name
- # $3 ... include ramdisk
- fitimage_assemble() {
- kernelcount=1
- dtbcount=""
- DTBS=""
- ramdiskcount=${3}
- setupcount=""
- 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_emit_section_kernel ${1} "${kernelcount}" linux.bin "${linux_comp}"
- #
- # Step 2: Prepare a DTB image section
- #
- if [ -n "${KERNEL_DEVICETREE}" ]; then
- dtbcount=1
- 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/${DTB}"
- fi
- DTB=$(echo "${DTB}" | tr '/' '_')
- DTBS="${DTBS} ${DTB}"
- fitimage_emit_section_dtb ${1} ${DTB} ${DTB_PATH}
- done
- fi
- #
- # Step 3: Prepare a setup section. (For x86)
- #
- if [ -e arch/${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 ext2.gz cpio; do
- initramfs_path="${DEPLOY_DIR_IMAGE}/${INITRAMFS_IMAGE_NAME}.${img}"
- echo "Using $initramfs_path"
- if [ -e "${initramfs_path}" ]; then
- fitimage_emit_section_ramdisk ${1} "${ramdiskcount}" "${initramfs_path}"
- break
- fi
- done
- fi
- fitimage_emit_section_maint ${1} sectend
- # Force the first Kernel and DTB in the default config
- kernelcount=1
- if [ -n "${dtbcount}" ]; then
- dtbcount=1
- fi
- #
- # Step 5: Prepare a configurations section
- #
- fitimage_emit_section_maint ${1} confstart
- if [ -n "${DTBS}" ]; then
- i=1
- for DTB in ${DTBS}; do
- dtb_ext=${DTB##*.}
- if [ "${dtb_ext}" = "dtbo" ]; then
- fitimage_emit_section_config ${1} "" "${DTB}" "" "" "`expr ${i} = ${dtbcount}`"
- else
- fitimage_emit_section_config ${1} "${kernelcount}" "${DTB}" "${ramdiskcount}" "${setupcount}" "`expr ${i} = ${dtbcount}`"
- fi
- i=`expr ${i} + 1`
- done
- fi
- 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}/${UBOOT_DTB_BINARY}"' if len('${UBOOT_DTB_BINARY}') else ''} \
- -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
- kernel_do_deploy[vardepsexclude] = "DATETIME"
- kernel_do_deploy_append() {
- # Update deploy directory
- if echo ${KERNEL_IMAGETYPES} | grep -wq "fitImage"; then
- echo "Copying fit-image.its source file..."
- install -m 0644 ${B}/fit-image.its ${DEPLOYDIR}/fitImage-its-${KERNEL_FIT_NAME}.its
- ln -snf fitImage-its-${KERNEL_FIT_NAME}.its ${DEPLOYDIR}/fitImage-its-${KERNEL_FIT_LINK_NAME}
- echo "Copying linux.bin file..."
- install -m 0644 ${B}/linux.bin ${DEPLOYDIR}/fitImage-linux.bin-${KERNEL_FIT_NAME}.bin
- ln -snf fitImage-linux.bin-${KERNEL_FIT_NAME}.bin ${DEPLOYDIR}/fitImage-linux.bin-${KERNEL_FIT_LINK_NAME}
- if [ -n "${INITRAMFS_IMAGE}" ]; then
- echo "Copying fit-image-${INITRAMFS_IMAGE}.its source file..."
- install -m 0644 ${B}/fit-image-${INITRAMFS_IMAGE}.its ${DEPLOYDIR}/fitImage-its-${INITRAMFS_IMAGE_NAME}-${KERNEL_FIT_NAME}.its
- ln -snf fitImage-its-${INITRAMFS_IMAGE_NAME}-${KERNEL_FIT_NAME}.its ${DEPLOYDIR}/fitImage-its-${INITRAMFS_IMAGE_NAME}-${KERNEL_FIT_LINK_NAME}
- echo "Copying fitImage-${INITRAMFS_IMAGE} file..."
- install -m 0644 ${B}/arch/${ARCH}/boot/fitImage-${INITRAMFS_IMAGE} ${DEPLOYDIR}/fitImage-${INITRAMFS_IMAGE_NAME}-${KERNEL_FIT_NAME}.bin
- ln -snf fitImage-${INITRAMFS_IMAGE_NAME}-${KERNEL_FIT_NAME}.bin ${DEPLOYDIR}/fitImage-${INITRAMFS_IMAGE_NAME}-${KERNEL_FIT_LINK_NAME}
- fi
- fi
- }
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