On Tue, Oct 31, 2023 at 04:03:18PM +0900, Masahiro Yamada wrote:

On Tue, Oct 31, 2023 at 1:12 AM Tom Rini [off-list ref] wrote:

quoted

On Mon, Oct 30, 2023 at 03:35:34PM +0000, Russell King (Oracle) wrote:

quoted

On Sun, Oct 29, 2023 at 05:46:12AM +1300, Simon Glass wrote:

quoted

Hi Masahiro,

Sure, but that is a separate issue, isn't it? We already support
various boot targets in arm64 but not one that includes the DTs, so
far as I can see. The old arm 'uImage' target is pretty out-of-date
now.

Does that mean it can be removed? ;)

I've NAK'd FIT support on 32-bit Arm in the past, and I remain of the
opinion that boot loader specific packaging of the kernel should not
be in the kernel but should be external to it - even more so given the
multi-platform nature of 32-bit Arm kernels.

I'll point it out here rather than Simon. As part of
https://github.com/open-source-firmware FIT is a standard and not "boot
loader specific". And one of the points of a FIT image is that you can
easily support multi-platform kernels in a single file (without
optimizing things further, at a cost in tens of milliseconds on a Pi 3
anyhow) and with user-controlled security.

--
Tom

It is a copy of the document in U-Boot.

The file was split into two, but the content is the same.


[original in U-Boot]
https://github.com/u-boot/u-boot/blob/v2023.10/doc/usage/fit/source_file_format.rst


[flat-image-tree]
https://github.com/open-source-firmware/flat-image-tree/blob/v0.8/source/chapter1-introduction.rst
https://github.com/open-source-firmware/flat-image-tree/blob/v0.8/source/chapter2-source-file-format.rst

Yes, it would have been a bad idea to change a 15 year old format as
part of getting it included in some standards, and we'd also recently
cleaned it up to rST. Similar comments would I expect be true of turning
grub.cfg in to extlinux.conf and all of the organizations that has moved
along, and anything else that wasn't developed by committee at some
Standards organization.

-- 
Tom

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