Hey Ivan,
On 03-09-15 11:01, Ivan Kozic wrote:
Hi all,
It seems that no one really cares about AW pack tools enough to
document at least a part of it. By Allwinner pack tools I mean various
Linux/Windows proprietary SW coming from AW, like "dragon",
"update_mbr", "update_23" etc.
Since I'm on a good way to figure a part of this out, I'd like to add
it to the linux-sunxi.org if possible, so that everyone can use it,
and not lose days and days finding various SDKs and BSPs only to
figure that half of it is not working...
Actually the biggest problem is that none of this is documented and
these programs usually do not give you any version or help. And there
are at least 5 different "dragon" versions I've tried - some of them
work with image.cfg + sys_partition.fex, while some of them only seem
to use more advanced image.cfg format and not really needing
sys_partition.fex. I've also noticed that there are different versions
of update_mbr for A10 and A20 - one seems to only put softw311 marker,
while the other one works with softw411 marker. Also some of them can
pack by only following symbolic links to rootfs, while others actually
need rootfs.fex in the same folder. Mixes in SDKs can include anything
- I've found combos like 'new dragon + old update_mbr', which mess up
always and produce unreadable images... sunxi-bsp set of tools on the
other hand looks very broken to me, as there is no A20 support per say
- there are script files for A20 boards, but allwinner-tools used by
sunxi-bsp only produce images suited for A10 (softw311) and maybe A13
(these are the only two in the eFex configuration files)...
I would also like to point out that most info regarding MBR structure
is now well known (for A20 - boot1 source code contains wboot_mbr.h
header which has the packed MBR layout), so I think update_mbr can
already be deprecated and changed to a better suited open-source
version. If I had any +time, I'd happily write this out and try it...
As I said, wiki pages on linux-sunxi are just making things worse by
not really explaining any of this and yet somehow making everything
even more complicated (just look at Software section under
http://linux-sunxi.org/LiveSuit_images - I have no idea what is the
point of that section).
So I'd just like to know how I can (or if I may in fact) change/append
to linux-sunxi.org?
Just create a wiki account, ask for it to be promoted from robot to
human (via mail or IRC) and start editing :)
Cheers!
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