The instruction 'mtpmr' and 'mfpmr' is affect when disable the S32R274 ICACHE

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The instruction 'mtpmr' and 'mfpmr' is affect when disable the S32R274 ICACHE

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yadi_zhang
Contributor I
what is the cause of this case?
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2 Replies

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petervlna
NXP TechSupport
NXP TechSupport

Hello,

Could you be please more specific and share more details on the question?

best regards,

Peter

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yadi_zhang
Contributor I

I use the Autosar OS,In the main funtion,I use the mtpmr intstruction, read core id from SPR286 to PMR 384

the Instruction  mtpmr is faild as disable the z70 Instruction Cache

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