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Title: TF-A Tech Forum
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Happy to discuss the detail but the short answer is no.
Instead, it is possible to run an MM partition in S-EL0 under the TEE. This work is being done with OP-TEE.
From a SW architecture standpoint, it did not seem like a good idea to let EL3 run its "application" i.e. MM SP alongside a TEE which also runs its own applications. It is better to let the TEE own S-EL1 and run all applications in S-EL0 under it.
On 23/11/2020, 05:36, "TF-A on behalf of Heyi Guo via TF-A" <tf-a-bounces(a)lists.trustedfirmware.org on behalf of tf-a(a)lists.trustedfirmware.org> wrote:
On some platforms there may be requirements to run both TEE and SPM_MM
instances, such as providing TEE services on server platforms.
Do TF-A support this scenario? If it doesn't, do it make sense to add
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