Is Symmetric Multi-Processing (SMP) supported on Stellar SR6 P7 R52+ cores

swu.1 · ‎2022-09-28

There are several R52+ cores available in Stellar SR6 P7 line, e.g. SR6P7C8.

I have question about the Symmetric Multi-Processing (SMP) support on these R52+ cores. Is SMP available inside R52+ cluster or among R52+ clusters?

FSPIL · ‎2025-10-23

Hi,

SR6 information is provided under NDA.
For any question, please contact local ST support, and do not post information/questions in this public forum.

Thank you.

Best regards,

Francesco

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Giuseppe DI-GIORE · ‎2022-10-17

Hello,

SMP is a matter of Operating System.

SR6P7 devices provides support for SMP Real Time Operating Systems.

There is no MMU so Linux OS cannot be supported.

Regards,

Giuseppe

swu.1 · ‎2022-11-21

Thanks Giuseppe,

SMP require hardware coherent for both CPU/Core, actually I found the atomic operation issue at following page,

https://community.st.com/s/question/0D53W00001wIF3sSAG/does-cluster-local-ram-support-exclusive-access-with-shareable-attribute-as-well-as-noncacheable

Do you have any idea?

Thanks

alexandrealmeida · ‎2024-10-01

Hello @swu.1 ,

Did you get it to use SMP?

Best regards.

FSPIL · ‎2025-10-23

Hi,

SR6 information is provided under NDA.
For any question, please contact local ST support, and do not post information/questions in this public forum.

Thank you.

Best regards,

Francesco

In order to give better visibility on the answered topics, please click on 'Accept as Solution' on the reply which solved your issue or answered your question.