[PATCH 0/4] vpl: Introduce a verifying program loader

Michal Simek michal.simek at xilinx.com
Thu May 20 10:14:14 CEST 2021

Hi Simon,

On 5/20/21 12:17 AM, Simon Glass wrote:
> Hi Michal,
> On Wed, 19 May 2021 at 01:16, Michal Simek <michal.simek at xilinx.com> wrote:
>> Hi Simon,
>> On 5/8/21 12:37 AM, Simon Glass wrote:
>>> U-Boot provides a verified-boot feature based around FIT, but there is
>>> no standard way of implementing it for a board. At present the various
>>> required pieces must be built up separately, to produce a working
>>> implementation. In particular, there is no built-in support for selecting
>>> A/B boot or recovery mode.
>>> This series introduces VPL, a verified program loader. Its purpose is to
>>> run the verified-boot process and decide which SPL binary should be run.
>>> Adding VPL into the boot flow provides a standard way of implementing
>>> verified boot. So far, only the phase itself is added. More work is
>>> needed to add logic to the phase, based on continuing discussions about
>>> how best to standardise this feature.
>> This is quite interesting. Where is that data stored which SPL should
>> run? fallback options? Do you have any proposal/document which describes it?
> It is not quite ready for release. But I could talk about it on the
> U-Boot call next week if that suits.

I don't have conflict that's why no problem for me. Will try to attend.


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