To translate last tweet into English, ARM processors do have microcode in display system you can use to hide a backdoor not in memory
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Replying to @dragosr
@newshtwit Which ARMs don't do display processing DMA? ;-P2 replies 0 retweets 0 likes
Replying to @dragosr
@dragosr @newshtwit incorrect, DMA bus masters can be locked out with TrustZone regardless or whatever microcode they can have
11:01 AM - 22 Mar 2015
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