On 16-1-2014 13:37, [email protected] wrote:
Hello!
I'm afraid this is not really a BeagleBone question. But since PRU is
not officially supported by TI, I hope someone out here is
enlightened... ;-)
The PRU can access the whole global address range of the Sitara,
right? But are a PRU's memory accesses run through the MMU?
My goal is to protect given memory areas and/or peripherals from being
accessed by PRU code. Is that possible?
Thanks in advance.
Greetings
Tobias
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Hi,
No, like a DMA controller, the PRU directly accesses physical memory. No
MMU and no protection. A simple code error can crash your system, or PRU
malware can capture your creditcard data ;-)
-- Bas
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