OLPC Laptop - an open source substandard ?

Alex Gibson agibson at eng.uts.edu.au
Sat Dec 30 05:41:44 EST 2006


Gabor Dolla wrote:
> Hi
>
>
>
>
>     The meshing code is inextricable from the RTOS currently used,
>     which is
>     commercial and proprietary. The RTOS is thus delivered as part of the
>     meshing code for porting, and protecting the RTOS requires an NDA.
>
>
> The whole stuff is written in C ? Is it documented or well commented ?
> Do you have any info about the size of it ?
>
> Gabor

Have a look at threadx.
AFAIK thats what marvell used or purchased for the kernel in the driver.

http://www.rtos.com/page/product.php?id=2
http://www.rtos.com/news/detail/?prid=104

threadx api  http://www.rtos.com/page/product.php?id=27

If they are using threadx it would have to be in c and possibly some in asm.

expresslogic have a book on threadx  Realtime Embedded multithreading
http://www.amazon.com/Real-Time-Embedded-Multithreading-Using-ThreadX/dp/1578201349/sr=1-1/qid=1167474769/ref=pd_bbs_sr_1/002-5034521-8430408?ie=UTF8&s=books

Be interesting to find out if the driver was written/built for arm or
thumb instruction set (arm core).

Alex
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