[Arm-netbook] Starting to reverse engineer the A10 libvecore.a cedarx libary - an open libcedarxalloc.a
list at imkreisrum.de
Fri May 3 11:37:06 BST 2013
as there was some discussion on irc, I would like to ask, if you did
some further work an reverse engineering?
Am 19.06.2012 21:39, schrieb Iain Bullard:
> 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
> 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
> arm-netbook mailing list arm-netbook at lists.phcomp.co.uk
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