Re: [PATCH 3/4] linux-custom: Use uncompressed kernel image on arm64

[Henning Schild <henning.schild@siemens.com>]

Am Mon, 27 Aug 2018 09:19:54 +0200
schrieb "[ext] Jan Kiszka" <jan.kiszka@siemens.com>:

> From: Jan Kiszka <jan.kiszka@siemens.com>
> 
> U-Boot does not directly support decompression on bootloader side like
> Image.gz would require. We would have to enable the unzip command and
> write special scripts that perform the decompression prior to calling
> booti. As the Debian kernel also comes uncompressed, choose that path
> instead.
> 
> Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
> ---
>  meta/recipes-kernel/linux/files/build-kernel.sh | 7 +++++++
>  1 file changed, 7 insertions(+)
> 
> diff --git a/meta/recipes-kernel/linux/files/build-kernel.sh
> b/meta/recipes-kernel/linux/files/build-kernel.sh index
> 8b58e93..ef30aea 100644 ---
> a/meta/recipes-kernel/linux/files/build-kernel.sh +++
> b/meta/recipes-kernel/linux/files/build-kernel.sh @@ -95,6 +95,13 @@
> if [ \"\$1\" != upgrade ] && command -v linux-update-symlinks
> >/dev/null; then\\ linux-update-symlinks remove
> >${PV}  /boot/vmlinuz-${PV}\\ fi"
>  
> +# Make sure arm64 kernels are decompressed
> +if [ "$target_arch" = "arm64" ]; then
> +	vmlinuz=${REPACK_LINUX_IMAGE_DIR}/boot/vmlinuz-${PV}
> +	mv $vmlinuz $vmlinuz.gz
> +	gunzip $vmlinuz
> +fi

That looks weird. The gunzip should not work after the mv. And would is
the filename after the intended patch? If it still contains a "z", that
would be misleading.

Henning

>  dpkg-gencontrol -crepack/debian/control \
>  	-lrepack/debian/changelog \
>  	-frepack/debian/files \