You are viewing a plain text version of this content. The canonical link for it is here.

Posted to commits@nuttx.apache.org by "masayuki2009 (via GitHub)" <gi...@apache.org> on 2024/06/04 13:01:54 UTC

Re: [PR] armv6/7/8-m: use ISB instruction immediately after the MSR instruction [nuttx]

masayuki2009 commented on PR #12379:
URL: https://github.com/apache/nuttx/pull/12379#issuecomment-2147481139

   > > @hujun260 As long as I investigated the Zephyr OS code, isb instruction is issued just after changing the CONTROL register, not changing MSP or PSP. So, I think we don't need these changes.
   > 
   > @masayuki2009 but FreeRTOS add: https://github.com/search?q=repo%3AFreeRTOS%2FFreeRTOS-Kernel%20psp&type=code
   
   @xiaoxiang781216 @hujun260 
   Hmm, as long as I read "ARM Cortex-M Programming Guide to Memory Barrier Instructions
   Application Note 321" (https://developer.arm.com/documentation/dai0321/latest/), I could not find the use-cases implemented in FreeRTOS.
   
   Please tell us which document did you referred to.
   


-- 
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.

To unsubscribe, e-mail: commits-unsubscribe@nuttx.apache.org

For queries about this service, please contact Infrastructure at:
users@infra.apache.org