[OE-core] [PATCH v2 1/3] kernel-fitimage: add initramfs support

[Denys Dmytriyenko]

On Mon, Jul 18, 2016 at 12:57:55PM -0500, George McCollister wrote:
> If INITRAMFS_IMAGE is set, build an additional fitImage containing the
> initramfs. Copy the additional fitImage and the source (*.its) file, used
> to create it to DEPLOYDIR. The fitImage containing the initramfs must be
> built before do_deploy and after do_install to avoid circular dependencies.
> 
> UBOOT_RD_LOADADDRESS - Specifies the load address used by u-boot for the
>                        initramfs.
> UBOOT_RD_ENTRYPOINT  - Specifies the entry point used by u-boot for the
>                        initramfs.
> 
> Signed-off-by: George McCollister <george.mccollister at gmail.com>
> ---
>  meta/classes/kernel-fitimage.bbclass | 282 +++++++++++++++++++++++------------
>  1 file changed, 187 insertions(+), 95 deletions(-)
> 
> diff --git a/meta/classes/kernel-fitimage.bbclass b/meta/classes/kernel-fitimage.bbclass
> index 9a3caf5..ede69e7 100644
> --- a/meta/classes/kernel-fitimage.bbclass
> +++ b/meta/classes/kernel-fitimage.bbclass
> @@ -16,7 +16,7 @@ python __anonymous () {
>  

<snip>


> +	#
> +	# Step 3: Prepare a ramdisk section.
> +	#
> +	if [ "x${ramdiskcount}" = "x1" ] ; then
> +		copy_initramfs
> +		fitimage_emit_section_ramdisk ${1} "${ramdiskcount}" ${B}/usr/${INITRAMFS_IMAGE}-${MACHINE}.cpio

May I suggest dropping ${B} here to get the ramdisk path shorter and easier to 
read? It's relative to ${B} anyway - same as all the DTBs...

+ fitimage_emit_section_ramdisk ${1} "${ramdiskcount}" usr/${INITRAMFS_IMAGE}-${MACHINE}.cpio


> +	fi
>  

<snip>

-- 
Denys