80 lines
2.9 KiB
Plaintext
80 lines
2.9 KiB
Plaintext
# This class generate the UKI kernel needed by WIC and by swupdate
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# This class should not be used directly, as it's ihnerited by
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# the coreos-image class
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require conf/image-uefi.conf
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inherit kernel-artifact-names
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inherit coreos-efi-sbsign
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# Output file name
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# ==============================================================================
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COREOS_KERNEL_EXT ??= ".efi"
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COREOS_KERNEL_NAME ??= "kernel-${MACHINE}"
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COREOS_KERNEL_FILENAME ??= "${COREOS_KERNEL_NAME}${COREOS_KERNEL_EXT}"
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COREOS_KERNEL ??= "${DEPLOY_DIR_IMAGE}/${COREOS_KERNEL_FILENAME}"
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# Kernel command line
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# ==============================================================================
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# AUTOLABEL will be replaced by the right PARTLABEL (rootfs0 or rootfs1) at
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# runtime in the efibootguard UKI stub
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COREOS_ROOTFS_ROOT ??= "PARTLABEL=AUTOLABEL"
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COREOS_KERNEL_CMDLINE ??= "root=${COREOS_ROOTFS_ROOT} ${APPEND} rootwait"
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COREOS_UKI_PART_KERNEL_FILENAME ??= "${KERNEL_IMAGETYPE}-${MACHINE}${KERNEL_IMAGE_BIN_EXT}"
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COREOS_UKI_PART_KERNEL ??= "${DEPLOY_DIR_IMAGE}/${COREOS_UKI_PART_KERNEL_FILENAME}"
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COREOS_UKI_PART_STUB_FILENAME ??= "kernel-stub${EFI_ARCH}.efi"
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COREOS_UKI_PART_STUB ??= "${STAGING_LIBDIR}/efibootguard/${COREOS_UKI_PART_STUB_FILENAME}"
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COREOS_UKI_PART_INITRAMFS ??= ""
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# UKI Generation
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# ==============================================================================
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do_image_uki() {
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deployDir="${DEPLOY_DIR_IMAGE}"
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# Create an array with device tree if any
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DTB_PARAMS=""
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for dtb in ${KERNEL_DEVICETREE}; do
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# Bitbake allow full path inside KERNEL_DEVICETREE, but we want the
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# filename only
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dtb=$(basename "${dtb}")
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DTB_PARAMS="${DTB_PARAMS} --dtb=${deployDir}/${dtb}"
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done
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echo "kernel: ${COREOS_UKI_PART_KERNEL_FILENAME}"
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echo "dtb: ${DTB_PARAMS}"
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echo "cmdline: ${COREOS_KERNEL_CMDLINE}"
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echo "initramfs: ${COREOS_UKI_PART_INITRAMFS}"
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if [ ! -z "${COREOS_UKI_PART_INITRAMFS}" ]; then
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DTB_PARAMS="${DTB_PARAMS} --initrd=${COREOS_UKI_PART_INITRAMFS}"
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fi
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echo "initramfs: ${INITRAMFS_PARAMS}"
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bg_gen_unified_kernel \
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"${COREOS_UKI_PART_STUB}" \
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"${COREOS_UKI_PART_KERNEL}" \
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"${COREOS_KERNEL}" \
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--cmdline "${COREOS_KERNEL_CMDLINE}" \
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${DTB_PARAMS}
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coreos_efi_secureboot_sign_app "${deployDir}/${COREOS_KERNEL_FILENAME}"
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}
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do_image_uki[depends] += "virtual/kernel:do_deploy efibootguard-native:do_populate_sysroot efibootguard:do_populate_sysroot"
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addtask image_uki after do_image before do_image_complete
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# UKI image is normally embedded into a WIC image
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do_image_wic[recrdeptask] += "do_image_uki"
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# UKI image is normally embedded into a SWU image
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do_image_swu[recrdeptask] += "${@'do_image_uki' if d.getVar('COREOS_IMAGE_GENERATE_SWU') == '1' else ''}"
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# UKI image may embedded the rootfs as a cpio archive, in this case do_image_uki should run after do_image_cpio
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do_image_uki[recrdeptask] += "${@'do_image_cpio' if d.getVar('COREOS_UKI_PART_INITRAMFS') else ''}"
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