On Fri, Feb 18, 2011 at 3:27 PM, Marius Cirsta mforce2@gmail.com wrote:
From what I understand MT6235 has just one ARM926EJS processor and a DSP. This probably means that the it runs both the application and the GSM stack on a single CPU , right ? I read in an article about Symbian that it's able to do this because it's a realtime OS but to my knowledge Linux is not ( hence the GSM stack runs on a second processor in Android phones ). Now I also know there's a realtime Linux kernel but the question is would it be possible to run both the application and GSM stack together on the MT6235 under Linux. Please excuse my question if they're newbish.
Under Linux probably not, under RT Linux maybe. Depends on the amount of work done by DSP, CPU load by applications etc... Nothing prevents you to implement stack and applications handling on the single CPU except performance limitations (but you should have in mind memory isolation, security issues, etc).
As a matter of fact, what becomes more and more attractive now days are L4 hypervisors, which could separate BB and APP system in the separate containers, running on the same CPU.
BR, Drasko
BR, Drasko