--- Log opened Sun Aug 15 00:00:55 2010
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00:00 < user890104> i was just going to ask the same thing :)
00:26 < TheSeven> guys, ping me if you want an answer :)
00:27 < TheSeven> cmwslw: not a USB command (as you can as well send a non-compressed version over USB, which simplifies things), but there's a ucl_decompress API for apps
00:30 < TheSeven> if (!ucl_decompress(source, size, destination &size)) execimage(destination); (if you want to execute a compressed app)
01:12 * user890104 is so excited to see that embios has successfully launched disk mode on his ipod
01:13 < cmwslw> how did you do that?
01:14 < user890104> http://pastie.org/1092800
01:15 < cmwslw> wow that's really cool
01:15 < cmwslw> i bet it works with diag mode too
01:15 < user890104> not for me
01:15 < user890104> but works for the OF!
01:15 < user890104> i'm currently running 1.0.4 on an 1.0.3-ipod :)
01:16 < cmwslw> that's really useful
01:16 < cmwslw> did you extract2g to split up the firmware?
01:16 < cmwslw> i was talking to someone who said it didn't work for 4g firmware
01:17 -!- Mr_Sensitive is now known as Dreamxtreme
01:17 < user890104> i used my hacked version and the batch script i posted a week or two ago
01:18 < user890104> there are some different offsets in the nano4g FW compared to nano 3g's
01:18 < cmwslw> ok so it was you I talked to. did you ever find the hacked source code?
01:18 < user890104> yes, i did
01:20 < user890104> http://pastie.org/1092808.txt
01:20 < user890104> here it is
01:21 < cmwslw> ok thanks. I think I'll put it on the svn in addition to the original one
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01:24 < user890104> it's a dirty hack and it works for 4g *only*, breaking compat. with other firmware types
01:24 < cmwslw> yea i realize that and i'll put an explicit warning in there
01:24 < user890104> http://pastie.org/1069877 this is the script i'm using to extract, decrypt and order the files of the firmware filesystem
01:25 < cmwslw> perhaps we can find a way to merge the changes into the original in a non hack way
01:26 < user890104> yes, it would be a good idea but i'm not that experienced so i did it only to make it work correctly, not to be compatible
01:27 < user890104> i really needed a way not to use hex editor every time
01:29 < cmwslw> you usually go by slck right?
01:29 < user890104> yes but recently realised it was taken by someone else
01:30 < user890104> and switched to the wiki username
01:33 < Farthen> ah, you are that wiki user with the weird name :-P
01:33 < user890104> and the weird emails in the mailing list, too :)
01:33 < Farthen> yeah
01:34 < TheSeven> user890104, cmwslw: the reason why this doesn't work with diagmode is trivial: diagmode is just an efi volume that contains a bunch of modules that are usually loaded by the efi bootloader when one enters diagmode. it isn't a self-contained image like diskmode or the OF is
01:34 < fmibot> New commit by 3cmwslw (r141): Added extract2g and the hacked version by slck.
01:34 < fmibot> r141 build result: All green!
01:36 < cmwslw> oh I never knew it was efi-related
01:37 < user890104> i've been seeing "diagNAND.fw.efifiles" the whole time, but didn't realise this is the reason, thanks for explaining
01:38 * TheSeven is falling asleep
01:46 < user890104> cmwslw: actually, there's only one change required in the hacked firmware, just confirmed it
01:46 < user890104> dir.devOffset += 4096;
01:47 < user890104> only this one, the other change isn't needed
01:47 < cmwslw> ok i was wondering what that other change was
01:47 < user890104> it was allowing me to use a zero offset in the header
01:47 < user890104> but it's not needed, i've just tested that
01:47 < cmwslw> well since its only that one thing it should be a piece of cake to merge it into the old one
01:48 < cmwslw> do you know of a way to distinguish 4g firmwares from 3g?
01:49 < user890104> i was just writing that i don't know how to recognise if the firmware is a 3g one or 4g 
01:49 < user890104> but you send your message before me :)
01:50 < user890104> i was thinking about implementing a command-line flag for 4g only which shifts the offset by 4kb
01:51 < user890104> which should be enough to stay compatible
01:51 < cmwslw> well what if it tries to extract without the 4g offset first, and if it doesn't look "right" it would switch to a 4kb offset
01:52 < cmwslw> but a command line flag would be really simple and probably all we need
01:52 < user890104> the parts are encrypted so the only way to tell if they are correct that i've found so far is after decrypting them
01:53 < cmwslw> ok then i think the command line flag is the best bet.
01:53 < user890104> i think i can do it, give me a sec
01:59 < Farthen> hmm, the naming of the seconds folder is... interesting
01:59 < Farthen> *second
02:01 < cmwslw> wow the appl.fw is just the startup bitmap
02:01 < cmwslw> never knew that
02:01 < Farthen> hmm, i think i' going to leave libembios alone for today and go to sleep also. it has made a lot of progress today
02:01 < Farthen> *i'm
02:07 < user890104> i modified the extract2g tool to properly support nano 4g and i'm testing it right now
02:07 < user890104> and will post the source if it's successful
02:12 < cmwslw> hmm my ipod crashes whenever i try to execute disk.fw or osos.fw
02:13 < cmwslw> and I know its decrypted
02:16 < user890104> http://pastie.org/1092845.txt
02:17 < user890104> cmwslw: you can replace the extract2g's source file with this one and safely remove the *_hacked dir
02:19 < user890104> using it with -4 flag works fine for a 4g firmware
02:24 < fmibot> New commit by 3cmwslw (r142): 4G compatibility for extract2g (without the hack). Thanks slck
02:24 < fmibot> r142 build result: All green!
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12:08 < user890104> about this edit: http://www.freemyipod.org/w/index.php?title=Firmware&curid=56&diff=3117&oldid=2766 there *is* actually a rsrc section in nano 4g's firmware
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--- Log opened Sun Aug 15 20:22:03 2010
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20:22 < Farthen> FYI the server had a downtime but should now be up and running again...
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--- Log opened Sun Aug 15 20:34:12 2010
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20:35 < fmibot> New commit by 3theseven (r145): Port iLoader uninstaller to emBIOS. Not tested yet.
20:35 < fmibot> r145 build result: All green!
21:06 < Dreamxtreme> \o/
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21:37 < TheSeven> liar: do you still have your broken nano2g? the one with the jumper? :P
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--- Log closed Mon Aug 16 00:58:24 2010