On Tue, Oct 31, 2023 at 04:03:18PM +0900, Masahiro Yamada wrote: > On Tue, Oct 31, 2023 at 1:12 AM Tom Rini <trini@xxxxxxxxxxxx> wrote: > > > > On Mon, Oct 30, 2023 at 03:35:34PM +0000, Russell King (Oracle) wrote: > > > On Sun, Oct 29, 2023 at 05:46:12AM +1300, Simon Glass wrote: > > > > 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 The old arm 'uImage' target is pretty out-of-date 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
