[TF-A] Proposal: TF-A to adopt hand-off blocks (HOBs) for information passing between boot stages

[François Ozog]

+Loic from ST for 32bits perspective.

Le ven. 18 juin 2021 à 19:17, Tom Rini <trini at konsulko.com> a écrit :

> On Thu, Jun 17, 2021 at 04:45:48PM -0700, raghu.ncstate at icloud.com wrote:
>
> [snip]
> > I also think it is incorrect to partition platforms into what
> u-boot/linux boot/embdedded systems do and what “UEFI/private code” does.
> UEFI is a huge part of the ARM eco-system and is being used fairly
> extensively and supported across different markets and is not private code.
>
> I don't think "u-boot/linux boot/embedded systems" vs "UEFI/private
> code" is the right distinction.  It's "device tree/related" vs
> "ACPI/related" as the difference between U-Boot (for example) and EDK II
> (for another example) on aarch64 booting a system via EFI is that U-Boot
> is likely to be passing in a device tree (setting aside what we can do
> on x86 as a digression) and EDK II being likely to pass ACPI/related.
> In both cases we can quite easily be talking about all of the data
> having been written to persistent flash and automatically passed along.
>
> To riff on a phrase, U-Boot can be quite boring too.
>
> --
> Tom
>
-- 
François-Frédéric Ozog | *Director Linaro Edge & Fog Computing Group*
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