Recommend the firmware update protocol

[vstehle]

Add a recommendation for firmware implementing UpdateCapsule() to also implement the EFI_FIRMWARE_MANAGEMENT_PROTOCOL. This is believed to result in cleaner firmware implementation in practice.

Suggested-by: Jose Marinho jose.marinho@arm.com

[sjg20]

I hope that at some point a recommendation can be added to support VBE, as an alternative to UEFI

[nullr0ute]

I hope that at some point a recommendation can be added to support VBE, as an alternative to UEFI

I'm not sure what VBE that has to do with this bug which is about the protocole used for updating the firmware by UEFI capsule update.

[vstehle]

I hope that at some point a recommendation can be added to support VBE, as an alternative to UEFI

We could certainly add a note somewhere in source/chapter1-about.rst pointing at https://u-boot.readthedocs.io/en/latest/develop/vbe.html for example.

[fozog]

    HiTo be an alternative to UEFI, there should be clear way for standardized firmware updates (for itself). There should be also a description on how it leverages FFA standardized updates features for secure firmware and other system firmwares (SCP…).CheersFF

 De : Vincent Stehlé @.>Envoyé : jeudi, mars 30, 2023 17:01À : ARM-software/ebbr @.>Cc : Subscribed @.***>Objet : Re: [ARM-software/ebbr] Recommend the firmware update protocol (PR #105) 

I hope that at some point a recommendation can be added to support VBE, as an alternative to UEFI

We could certainly add a note somewhere in source/chapter1-about.rst pointing at https://u-boot.readthedocs.io/en/latest/develop/vbe.html for example.

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[vstehle]

Added references to UEFI 23.3 & 23.4.

[vstehle]

Approved during May 22 call.

[vstehle]

Merged (commit https://github.com/ARM-software/ebbr/commit/854ba0e68590102667b84a5ba4e0b076a3f5f2cb)