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ARM Community: MPU Cortex-R4 - ARM Community

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MPU Cortex-R4 Rate Topic: ***-- 1 Votes

#1 User is offline   Bill Johnson 

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Posted 03 April 2012 - 02:31 PM

I am using a CortexR4 processor. Can the permisions in a memory region be changed without disabling the MPU?


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#2 User is offline   ttfn 

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Posted 04 April 2012 - 07:14 AM

Yes. Although you it requires some careful use of barriers. I found this quite useful:

http://infocenter.ar...296a/index.html






This post has been edited by ttfn: 04 April 2012 - 11:23 AM

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#3 User is offline   MaKro 

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Posted 04 April 2012 - 09:26 AM

View Postttfn, on 04 April 2012 - 07:14 AM, said:

Yes. Although you it requires some careful use of barriers. I found this quite useful:

http://arminfo.emea....296a/index.html


I'm afraid the link doesn't work.
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#4 User is offline   ttfn 

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Posted 04 April 2012 - 11:23 AM

Weird, must have been a copy'n'paste error on my part. I've edited the earlier post with a corrected link
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#5 User is offline   Bill Johnson 

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Posted 04 April 2012 - 07:02 PM

Thanks ttfn for the information, that was the info I needed.
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