imx8mp sema4

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imx8mp sema4

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xjy198903
Contributor III

Can I use sema4 in multiple threads of the A53 to ensure mutually exclusive access to the hardware?

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3 Replies

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Sanket_Parekh
NXP TechSupport
NXP TechSupport

Hello @xjy198903,

I hope you are doing well.

I have a few queries to ask, Please find them below.

What Linux BSP are you using?
which NXP evk are you using?

Thanks & Regards,
Sanket Parekh

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xjy198903
Contributor III

i use custom imx8mp board,and bsp is real-time-edge-2.5

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Sanket_Parekh
NXP TechSupport
NXP TechSupport

Hello @xjy198903,

I hope you are doing well.

i use custom imx8mp board,and bsp is real-time-edge-2.5
->I have a few suggestions for reference, Please refer to that below.
https://community.nxp.com/t5/i-MX-Processors/SEMA4-on-Linux-userspace/m-p/1494195
https://community.nxp.com/t5/i-MX-Processors/Simultaneous-work-of-A9-and-M4-in-IMX6SoloX/m-p/488574

I hope this helps!

Thanks & Regards,
Sanket Parekh

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