Architectures and Processors forum Cache attribute write back/write allocate for Cortex-M4

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Cache attribute write back/write allocate for Cortex-M4

nothing over 8 years ago

What is different between write back with write allocate and write with non write allocate on Cortex-M4.

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dongyanxia over 8 years ago in reply to nothing +1 verified

I konw your meaning, your precondition is write-miss policy in write back and CM4. first, both write-through and write-back policy can use write allocate and write no allocate when write-miss. second...