RE: Proposal for DMI/Debug extensions

John,

From: john.aynsley@doulos.com [mailto:john.aynsley@doulos.com]
Sent: Monday, December 13, 2010 12:18 PM
To: Jerome CORNET
Cc: P1666 Technical WG
Subject: RE: Proposal for DMI/Debug extensions

  - [Proposal] The target may set the DMI hint (though the initiator is free to ignore it)

[JA] Are you okay with this?
[JC] Sorry, I missed this one. I am okay with that.

* [Tentative proposal] Other values of the gp version attribute are reserved for future use. It can be assumed that if an initiator sets gp version >= TLM_FULL_PAYLOAD then the initiator is compatible with TLM_FULL_PAYLOAD, and if a target sets gp version >= TLM_FULL_PAYLOAD_ACCEPTED then the target is compatible with TLM_FULL_PAYLOAD_ACCEPTED. As a consequence, new targets should test "if gp_version >= TLM_FULL_PAYLOAD" and new initiators should test "if gp_version >= TLM_FULL_PAYLOAD_ACCEPTED"

[JA] We already have the extension mechanism to deal with multiple independent features, so I was thinking to make this new mechanism more like a scalar version number for the base protocol.
[JC] Yep, agreed. Versioning is simpler and more in line with the actual goal (which is not to replace extensions).

Thanks,

Jerome

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