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kernel-uboot: Handle gzip and lzo compression options

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Since 5c72105e29 ("kernel-uboot: allow compression option to be configurable")
it is possible to select kernel compression method, however the resulting
image is always compressed with gzip, so selecting any other method than
gzip results in unbootable images. Add support for lzo for starters, since
that is fast to decompress and useful in low boot time scenarios.

Note that we should likely add some check for unsupported compression
methods. We should also add dependency on lzop-native I think.

(From OE-Core rev: f1257d61b76d027d4ece734439993b6bf4e48907)

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Richard Purdie <richard.purdie@linuxfoundation.org>
Cc: Sinan Kaya <okaya@kernel.org>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Marek Vasut 2021-07-27 18:25:29 +02:00 committed by Richard Purdie
parent e2802c2186
commit 7668153777
1 changed files with 5 additions and 1 deletions
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6
meta/classes/kernel-uboot.bbclass
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@ -22,7 +22,11 @@ uboot_prep_kimage() {
[ -n "${vmlinux_path}" ] && ${OBJCOPY} -O binary -R .note -R .comment -S "${vmlinux_path}" linux.bin
if [ "${linux_comp}" != "none" ] ; then
gzip -9 linux.bin
if [ "${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