On Tue, Jan 02, 2018 at 03:54:30PM -0600, Kyle Evans wrote: > Hi, > > I'm working on using libfdt's overlay support in bootloaders on > FreeBSD. I find that our BSD-licensed dtc(1) currently generates a > /__local_fixups__ node that matches the format (roughly, with some > slight bugs that I need to address) of /__fixups__; i.e. a bunch of > properties whose values are "path:name:offset". > > I've not found any documentation on what is actually valid here, but I > do know that libfdt will not accept this. Is this completely invalid > and our BSD-licensed dtc(1) should write /__local_fixups__ > differently? It's completely invalid and your dtc should write /__local_fixups__ differently. As well as libfdt, the Linux kernel won't accept overlays in this format, and there might be other tooling which is also affected. > If not, Is it OK enough that a patch would be welcome to > support this in libfdt? I like the consistency myself, for what it's > worth. Join the club. I complained about this inconsistency when the overlay formats were proposed, but wasn't listened to. Now it's deployed pretty widely, so we're stuck with it. -- David Gibson | I'll have my music baroque, and my code david AT gibson.dropbear.id.au | minimalist, thank you. NOT _the_ _other_ | _way_ _around_! http://www.ozlabs.org/~dgibson
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