diff options
Diffstat (limited to 'poky/meta/classes-recipe/kernel-uboot.bbclass')
-rw-r--r-- | poky/meta/classes-recipe/kernel-uboot.bbclass | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/poky/meta/classes-recipe/kernel-uboot.bbclass b/poky/meta/classes-recipe/kernel-uboot.bbclass new file mode 100644 index 0000000000..4aab02671e --- /dev/null +++ b/poky/meta/classes-recipe/kernel-uboot.bbclass @@ -0,0 +1,49 @@ +# +# Copyright OpenEmbedded Contributors +# +# SPDX-License-Identifier: MIT +# + +# fitImage kernel compression algorithm +FIT_KERNEL_COMP_ALG ?= "gzip" +FIT_KERNEL_COMP_ALG_EXTENSION ?= ".gz" + +# Kernel image type passed to mkimage (i.e. kernel kernel_noload...) +UBOOT_MKIMAGE_KERNEL_TYPE ?= "kernel" + +uboot_prep_kimage() { + if [ -e arch/${ARCH}/boot/compressed/vmlinux ]; then + vmlinux_path="arch/${ARCH}/boot/compressed/vmlinux" + linux_suffix="" + linux_comp="none" + elif [ -e arch/${ARCH}/boot/vmlinuz.bin ]; then + rm -f linux.bin + cp -l arch/${ARCH}/boot/vmlinuz.bin linux.bin + vmlinux_path="" + linux_suffix="" + linux_comp="none" + else + vmlinux_path="vmlinux" + # Use vmlinux.initramfs for linux.bin when INITRAMFS_IMAGE_BUNDLE set + # As per the implementation in kernel.bbclass. + # See do_bundle_initramfs function + if [ "${INITRAMFS_IMAGE_BUNDLE}" = "1" ] && [ -e vmlinux.initramfs ]; then + vmlinux_path="vmlinux.initramfs" + fi + linux_suffix="${FIT_KERNEL_COMP_ALG_EXTENSION}" + linux_comp="${FIT_KERNEL_COMP_ALG}" + fi + + [ -n "${vmlinux_path}" ] && ${OBJCOPY} -O binary -R .note -R .comment -S "${vmlinux_path}" linux.bin + + if [ "${linux_comp}" != "none" ] ; then + if [ "${linux_comp}" = "gzip" ] ; then + gzip -9 linux.bin + elif [ "${linux_comp}" = "lzo" ] ; then + lzop -9 linux.bin + fi + mv -f "linux.bin${linux_suffix}" linux.bin + fi + + echo "${linux_comp}" +} |