[Arm-netbook] Starting to reverse engineer the A10 libvecore.a cedarx libary - an open libcedarxalloc.a

[Tom Cubie]

On Wed, Jun 20, 2012 at 3:39 AM, Iain Bullard <iain.bullard at gmail.com>wrote:

> Hi All,
>
> I've been slowly working at reverse engineering the libvecore.a cedarx
> library based on the resources we have available.
>
> As a start I've created a working (although really not finished) memory
> allocator (libcedarxalloc.a) which is used by libvecore.a to allocate and
> manage memory reserved for use for the cedarx a10 decoder chip.
>
> I've built and tested this against the code available here:
> https://github.com/amery/allwinner-a10-video. My code is available here
> https://github.com/iainb/open_cdxalloc
>
> I'm fairly certain the original code from amery's repo is broken in some
> way. Even unmodified code causes random kernel panics, probably caused by
> some kind of memory corruption. The libvecore.a library manages low level
> access to memory and the video decoder core so its possible there could be
> problems there - though that's just a guess, at least its very easy to
> reproduce.
>
> If anyone can provide me with more better resources such as a working
> libvecore.a (unstripped for development and testing would be nice!) or more
> documentation then I would be very happy (it doesn't hurt to ask right?).
>
> You can contact ebsi4711 == gimili, he is porting xbmc on A10, and he has
the libs and already made some progress, at least he can use the decoder
now.

Thanks,
>
> Iain.
>
>
>
>
>
>
>
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-- 
Keep simple, stay foolish.
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