blob: 4aab02671e501a5050565949e6d46e54102b7840 [file] [log] [blame]
#
# 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}"
}