Define Addr. Space of Task

ba_f ba_f at rbg.informatik.tu-darmstadt.de
Thu Jul 6 16:57:54 CEST 2017


Hello again,


this topic is still open.

So, how can I link a Task to a specific address space?


> Hi Adam,
> 
> 
>> Linking a program to a specific location is well possible.
>> However, the extra memory region is not part of the normal RAM but an
>> extra piece of memory? How is it accessed? And how big is it?
>> 
>> Adam
> 
> 
> Yes, the secure ram is separate from the ordinary DRAM.
> But, access to it is address based via ARM AXI.
> 
> My design has a trusted L4re-App.
> And i want to link the trusted app alone to the secure ram.
> I argue that ordinary DRAM is easy to read out for an attacker that has
> local access to the platform.
> The secure ram is less easy to read-out, so the trusted app would be
> more secure.
> 
> 
> 
> 
> Greets,
> 
> ba_f



Thank you,

ba_f



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