Hi Brian,

    “SFN” section is a legacy item in TF-M project.

“__tz_c_veneer” is recommended to be used now.

From: Quach, Brian via TF-M <tf-m@lists.trustedfirmware.org>
Sent: Friday, September 29, 2023 5:50 AM
To: tf-m@lists.trustedfirmware.org
Subject: [TF-M] gateway attribute question

Hi,

When is it appropriate to use “__tz_c_veneer” vs. “__tfm_nspm_secure_gateway_attributes__”?  The only difference appears to be placing it in “SFN” section.

Regards,

Brian Quach

SimpleLink MCU

Texas Instruments Inc.