# fitImage kernel compression algorithm
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FIT_KERNEL_COMP_ALG ?= "gzip"
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FIT_KERNEL_COMP_ALG_EXTENSION ?= ".gz"
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uboot_prep_kimage() {
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if [ -e arch/${ARCH}/boot/compressed/vmlinux ]; then
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vmlinux_path="arch/${ARCH}/boot/compressed/vmlinux"
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linux_suffix=""
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linux_comp="none"
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elif [ -e arch/${ARCH}/boot/vmlinuz.bin ]; then
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rm -f linux.bin
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cp -l arch/${ARCH}/boot/vmlinuz.bin linux.bin
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vmlinux_path=""
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linux_suffix=""
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linux_comp="none"
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else
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vmlinux_path="vmlinux"
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linux_suffix="${FIT_KERNEL_COMP_ALG_EXTENSION}"
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linux_comp="${FIT_KERNEL_COMP_ALG}"
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fi
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[ -n "${vmlinux_path}" ] && ${OBJCOPY} -O binary -R .note -R .comment -S "${vmlinux_path}" linux.bin
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if [ "${linux_comp}" != "none" ] ; then
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if [ "${linux_comp}" = "gzip" ] ; then
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gzip -9 linux.bin
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elif [ "${linux_comp}" = "lzo" ] ; then
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lzop -9 linux.bin
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fi
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mv -f "linux.bin${linux_suffix}" linux.bin
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fi
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echo "${linux_comp}"
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}
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