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  #1  
Old 09-04-2007, 08:10 AM
sandys sandys is offline
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Default Sony firmware source code
Did everyone know about this? This is very interesting - apparently the A8XX series runs on linux 2.6.10 kernel derivative.

Has any open source projects started from this?

http://www.sony.net/Products/Linux/D...tegory7.html#5
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  #2  
Old 01-03-2008, 05:11 PM
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Great discovery sandys

According to this info S610 series also run on this linux derivative
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  #3  
Old 01-06-2008, 05:03 PM
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Someone hack the damn thing then!
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  #4  
Old 01-06-2008, 09:14 PM
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Any volunteers out there??
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  #5  
Old 01-06-2008, 09:38 PM
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The music player portion is still closed source, I mean the audio renderer is... And open source audio renderer's for AAC and MP# don't sound as good as the sony one

also it looks like the source code is all generic without the sony modifications... you cant see the custom boot parameters nor what processor is being used... It is probably ARM but knowing sony if it is a custom chip they make it could be mips... and mips err is a pin in the ass

The boot loader they use supports like every cpu imaginable used in mobile players !

Looking through all the source code also it seems the audio codec is closed source -_-

Well i would love to see the gui hacked though !! and video codec and audio support broadened with out killing the excellent audio quality the unit already has !! it would be a fun project... i am going to look into this some more, first is to get hello world running without bricking the unit ^^
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  #6  
Old 01-06-2008, 11:19 PM
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Do your thing yuki

good luck!!!
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  #7  
Old 01-07-2008, 06:56 AM
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the firmware is so encrypted -_-... grrr
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  #8  
Old 01-08-2008, 01:16 PM
the_lost_prophet the_lost_prophet is offline
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Hi !

Do you have any details of what file is for what use ? I mean, which one is for the system, etc.
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  #9  
Old 01-28-2008, 03:41 PM
svendb svendb is offline
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I'm also interested in this, but have a minimal programming experience(Java).
When looking at
http://www.sony.net/Products/Linux/D..._20070829.html
and
http://www.sony.net/Products/Linux/D..._NWZ-A818.html

I get a suspicion that NW-A80X and NW-A81X are actually more the same player than sony will admit. Both run on a 2.6.10 linux kernel derivative and all the same development tools are used, so my hope is to make my NW-A808 into a NWZ-A818.

There are no current firmware upgrades to NWZ-8XX series so its hard to confirm by testing.

I have extracted the installshield files from the 1.03 firmware on Sony NW-A808, and get, amongst many, these files:
FWUpdater.exe
FWUpdaterCom.dll
FWUpdaterRes.dll
NW_A80X.UPG (10mb)
NW_A808-8G.PBR
nwa80x.ini


I haven't dissasembled any of them yet, but opened NW_A808-8G.PBR in notepad, which reveals that mkdosfs is used.

mkdosfs is used to create an MS-DOS file system under Linux on a device (usually a disk partition). device is the special file corresponding to the device ...
www.linuxcommand.org/man_pages/mkdosfs8.html - 9k

Anyone has found out anything more about this?
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  #10  
Old 03-11-2008, 06:20 PM
Rasmus Rasmus is offline
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This is definitely interesting. You might want to share your finding on ATRACLife. I am guessing more Sony Hackers are over there.
Keep us posted!
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  #11  
Old 03-12-2008, 03:17 AM
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sony rarely make things easy for users, especially when it comes to firmware and etc.

i'd like to see if there would be a possibility to upgrade the 81x so it has more codec support and on the go playlists. I am sure the chip inside is capable of more things. Although I've yet to figure out what that chip inside is.

Anyone know the processor in the 81x or 80x.

Rasmus most of atraclife is dead, the only people posting there are the hardcore fans and myself, I'd rather see them move here where the admins are still present.
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  #12  
Old 03-22-2008, 09:48 PM
Rasmus Rasmus is offline
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Would the service manual reveal anything?
http://stashbox.org/62685/NW-A805.zip

ATRAC Life is pretty dead at the moment...
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  #13  
Old 01-21-2010, 10:48 PM
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wow. super nice find for a one-poster

dammit Sony!! just let us hack the darn thing... it'll make us happier, and your paycheck bigger
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  #14  
Old 01-21-2010, 11:11 PM
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The day's epic thread resurrection!
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  #15  
Old 01-21-2010, 11:42 PM
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whoa 2007????!!!!!! LOL :P
I just noticed this thread though... o_o
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  #16  
Old 08-10-2010, 06:29 PM
shua shua is offline
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Don't know if I should ask here, or start a new topic. But this question seems relevant to svendb's post, so here goes. After I extracted the firmware update installer for my NWZ-S615F, I get these files among others.

NWZ_S61X.UPG
NWZ-S61X.ini

those and what seems like the installer, and some license files.
My question is, what do I do now. I looked at the UPG in a hexeditor, but I couldn't find anything remotely english. I tried using a disassembler on it, but it didn't work, it returned:
"readelf: Error: Unable to read in 0x3653 bytes of section headers
readelf: Error: Not an ELF file - it has the wrong magic bytes at the start"
The ini is just text that defines what types of walkmans (walkmen?) it updates. I don't know where to go from here, should I try a decompiler? What else could it be?
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  #17  
Old 11-29-2010, 08:48 AM
presko presko is offline
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How can a decompile the full firmware update or to compile an update img and with witch tools its possible to edit the img ?
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