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# SPDX-License-Identifier: GPL-2.0+
if [[ $arch != arm64 && $arch != x86 ]] ; then
echo "CrOS image unsupported on architecture $arch"
exit 1
fi
source "${kbuild_root}/images/FIT.sh" || exit 1
make_CrOS_image() {
local boot_dir=$output_dir/arch/$arch/boot
local bootloader
local config
local vmlinuz
if [[ $arch == arm64 ]] ; then
make_FIT_image
vmlinuz=$boot_dir/kernel_fdt.itb
elif [[ $arch == x86 ]] ; then
vmlinuz=$boot_dir/bzImage
fi
if [[ -f $opt_bootloader ]] ; then
bootloader=$opt_bootloader
else
dd if=/dev/zero of=$boot_dir/bootloader bs=512 count=1
bootloader=$boot_dir/bootloader
fi
if [[ -f $opt_cmdline_file ]] ; then
config=$opt_cmdline_file
else
echo "$CMDLINE" > $boot_dir/cmdline
config=$boot_dir/cmdline
fi
vbutil_kernel \
--pack $boot_dir/vmlinuz.image \
--version 1 \
--vmlinuz $vmlinuz \
--arch $arch \
--keyblock /usr/share/vboot/devkeys/kernel.keyblock \
--signprivate /usr/share/vboot/devkeys/kernel_data_key.vbprivk \
--config $config \
--bootloader $bootloader
}
image_file=$output_dir/arch/$arch/boot/vmlinuz.image
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