46 lines
1.5 KiB
Plaintext
46 lines
1.5 KiB
Plaintext
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uboot_prep_kimage() {
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linux_comp=${KERNEL_COMPRESS}
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# uncompressed elf vmlinux
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vmlinux_path="vmlinux"
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if test "${linux_comp}" = "lz4"; then
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linux_suffix=".lz4"
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elif test "${linux_comp}" = "gzip"; then
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linux_suffix=".gz"
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else
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linux_suffix=""
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fi
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${OBJCOPY} -O binary -R .note -R .comment -S "${vmlinux_path}" linux.bin
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if test "${linux_comp}" = "lz4"; then
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#lz4 -l -c1 linux.bin > linux.bin${linux_suffix}
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lz4c -l -c1 linux.bin linux.bin${linux_suffix}
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# append uncompressed filesize info
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dec_size=0
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fsize=$(stat -c "%s" "linux.bin")
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dec_size=$(expr $dec_size + $fsize)
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printf "%08x\n" $dec_size |
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sed 's/\(..\)/\1 /g' | {
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read ch0 ch1 ch2 ch3;
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for ch in $ch3 $ch2 $ch1 $ch0; do
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printf `printf '%s%03o' '\\' 0x$ch` >> linux.bin${linux_suffix};
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done;
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}
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elif test "${linux_comp}" = "gzip"; then
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gzip -9 linux.bin
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else
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echo "For none case or another compressing"
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fi
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if ! test "${linux_comp}" = "none"; then
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mv -f "linux.bin${linux_suffix}" linux.bin
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else
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echo "No kerenl compression"
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fi
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echo "${linux_comp}"
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}
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