Quantcast
Channel: Forum - Recent Threads
Viewing all articles
Browse latest Browse all 1583

RE: How to invalidate small region of L1 cache after DMA?

$
0
0

The line size of L1 data cache is 8 words (= 32 bytes) .

You must modify page table by your program to switch caching off outside of a given memory region,
and then invalidate TLB entries (and BTB if necessary).

I don't know there is an easy way, because it is your program.


Viewing all articles
Browse latest Browse all 1583

Trending Articles