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Diffstat (limited to 'meta/classes/kernel-fitimage.bbclass')
| -rw-r--r-- | meta/classes/kernel-fitimage.bbclass | 284 |
1 files changed, 0 insertions, 284 deletions
diff --git a/meta/classes/kernel-fitimage.bbclass b/meta/classes/kernel-fitimage.bbclass deleted file mode 100644 index 9a3caf5535..0000000000 --- a/meta/classes/kernel-fitimage.bbclass +++ /dev/null @@ -1,284 +0,0 @@ -inherit kernel-uboot uboot-sign - -python __anonymous () { - kerneltypes = d.getVar('KERNEL_IMAGETYPES', True) or "" - if 'fitImage' in kerneltypes.split(): - depends = d.getVar("DEPENDS", True) - depends = "%s u-boot-mkimage-native dtc-native" % depends - d.setVar("DEPENDS", depends) - - # 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", True) or "" - if 'fitImage' in typeformake.split(): - d.setVar('KERNEL_IMAGETYPE_FOR_MAKE', typeformake.replace('fitImage', 'zImage')) - - image = d.getVar('INITRAMFS_IMAGE', True) - if image: - d.appendVarFlag('do_assemble_fitimage', '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', True): - uboot_pn = d.getVar('PREFERRED_PROVIDER_u-boot', True) 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 -# -fitimage_emit_fit_header() { - cat << EOF >> fit-image.its -/dts-v1/; - -/ { - description = "U-Boot fitImage for ${DISTRO_NAME}/${PV}/${MACHINE}"; - #address-cells = <1>; -EOF -} - -# -# Emit the fitImage section bits -# -# $1 ... Section bit type: imagestart - image section start -# confstart - configuration section start -# sectend - section end -# fitend - fitimage end -# -fitimage_emit_section_maint() { - case $1 in - imagestart) - cat << EOF >> fit-image.its - - images { -EOF - ;; - confstart) - cat << EOF >> fit-image.its - - configurations { -EOF - ;; - sectend) - cat << EOF >> fit-image.its - }; -EOF - ;; - fitend) - cat << EOF >> fit-image.its -}; -EOF - ;; - esac -} - -# -# Emit the fitImage ITS kernel section -# -# $1 ... Image counter -# $2 ... Path to kernel image -# $3 ... Compression type -fitimage_emit_section_kernel() { - - kernel_csum="sha1" - - ENTRYPOINT=${UBOOT_ENTRYPOINT} - if test -n "${UBOOT_ENTRYSYMBOL}"; then - ENTRYPOINT=`${HOST_PREFIX}nm ${S}/vmlinux | \ - awk '$3=="${UBOOT_ENTRYSYMBOL}" {print $1}'` - fi - - cat << EOF >> fit-image.its - kernel@${1} { - description = "Linux kernel"; - data = /incbin/("${2}"); - type = "kernel"; - arch = "${UBOOT_ARCH}"; - os = "linux"; - compression = "${3}"; - load = <${UBOOT_LOADADDRESS}>; - entry = <${ENTRYPOINT}>; - hash@1 { - algo = "${kernel_csum}"; - }; - }; -EOF -} - -# -# Emit the fitImage ITS DTB section -# -# $1 ... Image counter -# $2 ... Path to DTB image -fitimage_emit_section_dtb() { - - dtb_csum="sha1" - - cat << EOF >> fit-image.its - fdt@${1} { - description = "Flattened Device Tree blob"; - data = /incbin/("${2}"); - type = "flat_dt"; - arch = "${UBOOT_ARCH}"; - compression = "none"; - hash@1 { - algo = "${dtb_csum}"; - }; - }; -EOF -} - -# -# Emit the fitImage ITS configuration section -# -# $1 ... Linux kernel ID -# $2 ... DTB image ID -fitimage_emit_section_config() { - - conf_csum="sha1" - if [ -n "${UBOOT_SIGN_ENABLE}" ] ; then - conf_sign_keyname="${UBOOT_SIGN_KEYNAME}" - fi - - # Test if we have any DTBs at all - if [ -z "${2}" ] ; then - conf_desc="Boot Linux kernel" - fdt_line="" - else - conf_desc="Boot Linux kernel with FDT blob" - fdt_line="fdt = \"fdt@${2}\";" - fi - kernel_line="kernel = \"kernel@${1}\";" - - cat << EOF >> fit-image.its - default = "conf@1"; - conf@1 { - description = "${conf_desc}"; - ${kernel_line} - ${fdt_line} - hash@1 { - algo = "${conf_csum}"; - }; -EOF - - if [ ! -z "${conf_sign_keyname}" ] ; then - - if [ -z "${2}" ] ; then - sign_line="sign-images = \"kernel\";" - else - sign_line="sign-images = \"fdt\", \"kernel\";" - fi - - cat << EOF >> fit-image.its - signature@1 { - algo = "${conf_csum},rsa2048"; - key-name-hint = "${conf_sign_keyname}"; - sign-images = "fdt", "kernel"; - }; -EOF - fi - - cat << EOF >> fit-image.its - }; -EOF -} - -do_assemble_fitimage() { - if echo ${KERNEL_IMAGETYPES} | grep -wq "fitImage"; then - kernelcount=1 - dtbcount="" - rm -f fit-image.its arch/${ARCH}/boot/fitImage - - fitimage_emit_fit_header - - # - # Step 1: Prepare a kernel image section. - # - fitimage_emit_section_maint imagestart - - uboot_prep_kimage - fitimage_emit_section_kernel "${kernelcount}" linux.bin "${linux_comp}" - - # - # Step 2: Prepare a DTB image section - # - if test -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 - - fitimage_emit_section_dtb ${dtbcount} ${DTB_PATH} - dtbcount=`expr ${dtbcount} + 1` - done - fi - - fitimage_emit_section_maint sectend - - # Force the first Kernel and DTB in the default config - kernelcount=1 - dtbcount=1 - - # - # Step 3: Prepare a configurations section - # - fitimage_emit_section_maint confstart - - fitimage_emit_section_config ${kernelcount} ${dtbcount} - - fitimage_emit_section_maint sectend - - fitimage_emit_section_maint fitend - - # - # Step 4: Assemble the image - # - uboot-mkimage \ - ${@'-D "${UBOOT_MKIMAGE_DTCOPTS}"' if len('${UBOOT_MKIMAGE_DTCOPTS}') else ''} \ - -f fit-image.its \ - arch/${ARCH}/boot/fitImage - - # - # Step 5: 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/fitImage - fi - fi -} - -addtask assemble_fitimage before do_install after do_compile - -kernel_do_deploy[vardepsexclude] = "DATETIME" -kernel_do_deploy_append() { - # Update deploy directory - if echo ${KERNEL_IMAGETYPES} | grep -wq "fitImage"; then - cd ${B} - echo "Copying fit-image.its source file..." - its_base_name="fitImage-its-${PV}-${PR}-${MACHINE}-${DATETIME}" - its_symlink_name=fitImage-its-${MACHINE} - install -m 0644 fit-image.its ${DEPLOYDIR}/${its_base_name}.its - linux_bin_base_name="fitImage-linux.bin-${PV}-${PR}-${MACHINE}-${DATETIME}" - linux_bin_symlink_name=fitImage-linux.bin-${MACHINE} - install -m 0644 linux.bin ${DEPLOYDIR}/${linux_bin_base_name}.bin - - cd ${DEPLOYDIR} - ln -sf ${its_base_name}.its ${its_symlink_name}.its - ln -sf ${linux_bin_base_name}.bin ${linux_bin_symlink_name}.bin - fi -} |