RTEMS in AMP mode

[Sebastian Huber]

Hello Thawra,

On 11/10/2018 12:40, Thawra Kadeed wrote:
> Hello,
>
> please, I have a question about using RTEMS in AMP mode.
>
> In AMP mode we can boot RTEMS from one core and then it starts other 
> cores with their own instances of RTEMS.
>
> The question is does the master RTEMS support running another version 
> of RTEMS in other cores?

probably yes, since the MPCI support is quite static.

>
> For example, in case of 3 cores, the master RTEMS and the first slave 
> are running the current RTEMS kernel (e.g. 4.11 to provide high 
> performance), and the second slave is running a very old version of 
> RTEMS (e.g. the 1990s to provide timing guarantees).

What is the problem with in the current RTEMS with respect to timing 
guarantees?

>
> Is that possible using Gem5 simulation environment?

I never worked with Gem5.

-- 
Sebastian Huber, embedded brains GmbH

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