Sun Feb 6 11:56:24 CET 2011
all the powerfull eye-candy apps. But that takes processing power. So
SoC provider would separate processing on two cores, puting stack on
the other core. Since this other core do not demand any application
except PS, you would like to run some nice lightweight OS like eCos,
or similar that have good RT performances to assure timing
requirements for L1 and inter-CPU communication.
If there would be satisfying performance on one core, there would
certanly be interest to save money by rejecting the other. And to
figure out how to separate closed source, how to keep legacy RTOS and
RT apps, etc... And since more powerful cores are appearing, L4 comes
into play on big doors (not to mention that it's the worlds first
formally verified kernel).
More information about the baseband-devel