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about WFI for behavior of Secondary Core of i.MX6 Dual Lite

Question asked by yuuki on Aug 28, 2017
Latest reply on Aug 28, 2017 by Yuri Muhin

Dear all,

 

I have some questions about WFI for i.MX6 Dual Lite.

 

When WFI is executed in Primary Core in Linux BSP, would you tell me the behavior of Secondary Core?
- Is the stack pointer for Secondary Core kept?
- Is CP15 register for L1  cache and MMC  kept?

 

In resume from wfi, Is it necessary for Secondary Core to be initialized?


We are looking forward to receiving your swift response.

Best Regards,
Yuuki

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