On 04/19/2012 03:02 PM, Richard Purdie wrote:
> From: Damien Lespiau <damien.lesp...@intel.com>
>
> This allows iso images to be written to usb keys and booted on systems which
> have a BIOS which support this. There is no real down side to tweaking the iso
> images in this way.
I like the idea, but there does appear to be one potential downside.
>From the syslinux isolinux.txt documentation:
"The ISO 9660 filesystem is encapsulated in a partition (which starts
at offset zero, which may confuse some systems.)"
How many different systems and firmware has this been tested on?
I think it is a worthwhile patch, but we should be aware of the above in
case a regression is reported. In such an event, it seems a
NO_ISO_HYBRID flag could be set by the machine.conf to revert to the
older behavior.
--
Darren
>
> [YOCTO #1763 partial]
>
> Signed-off-by: Damien Lespiau <damien.lesp...@intel.com>
> Signed-off-by: Richard Purdie <richard.pur...@linuxfoundation.org>
> ---
> diff --git a/meta/classes/bootimg.bbclass b/meta/classes/bootimg.bbclass
> index f4981d8..370b378 100644
> --- a/meta/classes/bootimg.bbclass
> +++ b/meta/classes/bootimg.bbclass
> @@ -103,6 +103,8 @@ build_iso() {
> -r ${ISODIR}
> fi
>
> + isohybrid ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.iso
> +
> cd ${DEPLOY_DIR_IMAGE}
> rm -f ${DEPLOY_DIR_IMAGE}/${IMAGE_LINK_NAME}.iso
> ln -s ${IMAGE_NAME}.iso ${DEPLOY_DIR_IMAGE}/${IMAGE_LINK_NAME}.iso
>
>
>
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--
Darren Hart
Intel Open Source Technology Center
Yocto Project - Linux Kernel
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