Re: [MiNT] Firebee Coldfire MiNT Kernel and NFS

[Vincent Rivière <vincent.riviere@freesbee.fr>]

On 06/09/2014 21:17, OL wrote:
> Far long time I have compiled for coldfire MyAES that use TAS instruction
> and use it on coldfire evaluation board, I never seen any problem,

The first times I tested MyAES on the M5484LITE (the one you lent me, thanks 
again), it was almost unusable, it took several minutes to load.
We discovered 2 problems:
- by mistake the CPU caches were disabled during MyAES startup
- the TAS instruction caused trouble

> so I suppose the problem is probably link to the hardware design.

As said previously, the problem is that the TAS instruction can't work in 
memory regions where copy-back data cache is enabled.

> But for the use we have of it, BSET.B work fine, thanks for your past
> help on MyAES.

Indeed, after we fixed that, MyAES worked fine and fast.

--
Vincent Rivière