Qualcomm documentation

Harald Welte laforge at gnumonks.org
Mon Dec 13 16:15:27 UTC 2010

Hi Frank,

On Mon, Dec 13, 2010 at 08:22:29AM +0100, Frank A. Stevenson wrote:

> On the Android devices, I suspect that Linux is running in user space
> under the L4 microkernel that now powers all Qualcomm devices. 

You are wrong.  All Android smartphones (with the exception of some legacy
ST-Ericsson devices) contain an independent ARM processor for the Baseband
and Application side.  The BP (in the QC case) runs L4 + AMSS (their stack),
the AP runs Linux natively without any hypervisor.

- Harald Welte <laforge at gnumonks.org>           http://laforge.gnumonks.org/
"Privacy in residential applications is a desirable marketing option."
                                                  (ETSI EN 300 175-7 Ch. A6)

More information about the baseband-devel mailing list