Read and write RAM physical addresses from Linux user space

Posted: aprile 22nd, 2012 | Author: | Filed under: ARM, C/C++, English, Linux, Programmazione | Tags: , , , , , | No Comments »

Ok, this is another trick I learned working on my project.

I’ve a QEMU arm machine and a simulation outside them. QEMU shares his RAM (in the future I’ll write about this) with the simulator so I want to unlock the simulation (that is waiting for a 1 at the address 0x0FF8000) writing the specified value on that address using an application in user space inside the VM.

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