irclog2html for #edev on 20070115

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08:05.52LyosNorezel"Moore's Law is a violation of Murphy's Law. Everything gets better and better." -Gordon E. Moore
08:08.41LyosNorezel"Software gets slower faster than hardware gets faster" - Wirth's law
08:08.56LyosNorezel^ROFLMFAO^
08:30.18LyosNorezel"Never attribute to malice that which can be adequately explained by stupidity." - Hanlon's Razor
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14:35.20chouimatmorning
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15:15.39*** join/#edev prpplague (n=dave@12.190.41.146)
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15:58.31prpplagueCosmicPenguin: greetings
16:02.24CosmicPenguinyoyo
16:05.22chouimathi prpplague CosmicPenguin
16:05.59prpplaguechouimat: hey hey
16:14.13prpplagueCosmicPenguin: can't seem to get fired up today about working on some libertas driver stuff
17:09.53prpplagueho ho hum
17:48.44wmatexactly
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19:15.19*** join/#edev LyosNorezel (n=LyosNore@cpe-75-179-138-54.woh.res.rr.com)
19:29.58LyosNorezelanyone awake?
19:30.03prpplagueno
19:30.08LyosNorezelheh
19:30.49LyosNorezelanyone have any idea how to disassemble firmware?
19:33.34prpplaguewith a screw driver
19:34.27LyosNorezelrofl
19:35.47prpplagueLyosNorezel: really need to provide some more info for a usable response
19:36.06LyosNorezelDLink DWL-6000AP
19:36.16LyosNorezelis a 'tfp' file
19:36.33LyosNorezelunknown format
19:38.32chouimatLyosNorezel hex editor and strings ?
19:38.39prpplaguestill need some more information, what processor, whats in the firmware such as botoloader, kernel ramdisk
19:38.49prpplaguethen start doing strings to see what you can find
19:39.40LyosNorezelprpplague: 32 bit Toshiba MIPS processor
19:40.01LyosNorezelbootloader... no idea
19:40.32LyosNorezelhttp://www.geocities.com/lyosnorezel/hardware.dwl6000ap.html
19:40.32prpplagueLyosNorezel: running linux?
19:40.45LyosNorezelhttp://www.geocities.com/lyosnorezel/firmware.dwl6000ap.html
19:40.56LyosNorezelprpplague: don't think so
19:41.23prpplagueLyosNorezel: then what do you hope to gain from disassembling the firmware?
19:41.47wmatperhaps another angle would be, "how can we replace the firmware"
19:41.56LyosNorezelprpplague: info on how they flash the firmware
19:42.21LyosNorezelprpplague: and if it handles JTAG
19:43.32prpplagueLyosNorezel: as far as the support for jtag, that would be in the processor datasheet
19:43.45LyosNorezelprpplague: maybe
19:43.48prpplagueLyosNorezel: but if you have jtag, why do you need to know how they flash it?
19:44.13LyosNorezelprpplague: I don't know if they have jtag
19:44.59LyosNorezelprpplague: those two links above contain all the info I've managed to gather
19:51.41prpplaguedoesn't say what processor it is
19:52.06LyosNorezelTMPR3927
19:55.54prpplagueyea the datasheet doesn't mention anything about jtag
19:57.56LyosNorezelprpplague: ye... though it does have something called a 'debug interface'
20:01.59wmatLyosNorezel: according to this: http://translate.google.com/translate?hl=en&sl=ja&u=http://www.geocities.jp/rev_eng_lab/bookmark/mips.html&sa=X&oi=translate&resnum=1&ct=result&prev=/search%3Fq%3DTMPR3927%2BJTAG%26hl%3Den%26lr%3D%26client%3Dfirefox-a%26rls%3Dorg.mozilla:en-US:official%26hs%3DL1C the TMPR3927 doesn't have a a JTAG, but this guy could be as in the dark as us ;)
20:03.11LyosNorezel*sigh*
20:04.55LyosNorezelodd
20:05.13LyosNorezelmy *nix doesn't seem to have hexedit
20:14.39LyosNorezelprpplague: ideas?
20:15.18prpplagueabout what?
20:15.49LyosNorezelthe firmware
20:17.56prpplagueLyosNorezel: d00d, you need to do your own research
20:18.21LyosNorezelheh
20:19.15prpplaguestart with doing a strings on the file
20:20.21LyosNorezelok...
20:20.23LyosNorezelone sec
20:22.33LyosNorezelpart 1... http://rafb.net/p/YZltSC11.html
20:23.46LyosNorezelpart 2... http://rafb.net/p/bt4TQU60.html
20:23.54LyosNorezelthat's all of it
20:24.16prpplaguebasically it looks to have a header with a enclosed compressed file
20:24.55LyosNorezelany idea on the type of compression?
20:25.08prpplaguenext step would be to check out the header and magic numbers
20:25.29LyosNorezelmagic numbers?
20:27.10prpplague~lart LyosNorezel
20:27.23LyosNorezelheh
20:27.53prpplagueLyosNorezel: http://en.wikipedia.org/wiki/Magic_number_(programming)
20:27.55LyosNorezelprpplague: am I _THAT_ annoying?
20:28.17prpplagueLyosNorezel: when you don't do your own research....yea
20:29.11LyosNorezelhrmm
20:30.27LyosNorezelI'm trying to figure out where the magic numbers are in this file...
20:30.50prpplagueLyosNorezel: always in the first few bytes
20:31.15LyosNorezelyeah... except when there's a header right?
20:31.17prpplagueyou tried issuing a "file" command on it?
20:32.08LyosNorezelDLink2]# file dwl6000A1_firmware_107.tfp
20:32.08LyosNorezeldwl6000A1_firmware_107.tfp: data
20:33.31prpplagueLyosNorezel: email me a copy
20:33.46LyosNorezelprpplague: addy?
20:33.53prpplague~prpplague
20:34.05purli heard prpplague is mailto:danders@amltd.com or Dave Anders
20:34.24LyosNorezelheh
20:35.57LyosNorezelsent
20:40.16LyosNorezelwhat was that website that contained a list of file formats?
20:40.29LyosNorezeland details of said formats
20:41.25LyosNorezelAHAH! www.wotsit.org
20:42.57prpplaguelooks like the file is offset to 0x200
20:43.57LyosNorezelyeah
20:43.57LyosNorezel0200f001cd29f0110080c00004150000
20:45.33LyosNorezelsee any magic numbers in that?
20:49.00prpplagueno, but that looks to be where the header ends
20:49.21LyosNorezelhmmm
20:51.20LyosNorezelArchive Manager doesn't recognize the file even after the header is removed
20:52.42LyosNorezelprpplague: take a look at offset 0x300
20:55.07LyosNorezelprpplague: 06809e85475a6bb97f895ca83ce257f2
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20:55.57LyosNorezelprpplague: that string has GZk
20:56.09LyosNorezelcould that be GZip?
20:56.28prpplaguenope
20:56.32prpplaguedoesn't match
20:56.59LyosNorezeldamn
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21:01.44LyosNorezelprpplague: do you have a list of compressed file format 'magic numbers'
21:01.46LyosNorezel?
21:02.02prpplagueLyosNorezel: man file
21:06.08LyosNorezelwtf?
21:06.25LyosNorezelprpplague: I tried using the -i option on it
21:07.01LyosNorezelDLink2]# file -i 'dwl6000A1_firmware_107(modified).tfp'
21:07.01LyosNorezeldwl6000A1_firmware_107(modified).tfp: video/unknown
21:07.15LyosNorezelfile is saying it's a video file
21:09.13LyosNorezelhrm...
21:09.41LyosNorezelI stripped it down to 0x220...
21:09.45LyosNorezeland I get
21:10.01LyosNorezel<PROTECTED>
21:10.03LyosNorezeldwl6000A1_firmware_107(modified2).tfp: application/octet-stream
21:11.40prpplaguewhy are you using the -i option?
21:12.59LyosNorezelprpplague: hoping that'll help me figure out what it is
21:13.42prpplagueLyosNorezel: why would changing the output to support html help?
21:13.54LyosNorezelmeh
21:13.57LyosNorezelidk
21:14.00LyosNorezelDLink2]# file 'dwl6000A1_firmware_107(modified2).tfp'
21:14.00LyosNorezeldwl6000A1_firmware_107(modified2).tfp: ACB archive data
21:14.57LyosNorezel^that's after dropping the -i^
21:16.27LyosNorezelwonder how one extracts a ACB archive
21:25.09prpplague~t0mw
21:25.11purlsomebody said t0mw was at tom@openhardware.net, or has a website at http://www.openhardware.net
21:25.15prpplague~seen t0mw
21:25.25purlt0mw <n=Tom@24.238.68.20.res-cmts.sth.ptd.net> was last seen on IRC in channel #edev, 2d 21h 35m 24s ago, saying: 'myren: typical LPC2000 runs about 40ma @ 60MHz'.
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21:39.32LyosNorezelprpplague: any further ideas?
21:40.09prpplague~lart LyosNorezel
21:40.20prpplagueLyosNorezel: d00d i have work to do
21:40.23LyosNorezelheh
21:40.31LyosNorezel*sigh* ok
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22:09.15LyosNorezelprpplague: one last question... any idea how to force a dump of the firmware from the devices serial console?
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23:12.14LyosNorezel~lart prpplague
23:12.39prpplagueCosmicPenguin: ping
23:12.43CosmicPenguinpong
23:12.44prpplagueCosmicPenguin: you ever run across anyone running an 8-bit lcd with just 4-bits?
23:12.44CosmicPenguinno....
23:12.44prpplagueCosmicPenguin: basically cutting the colors by half
23:12.45CosmicPenguinwhy?
23:12.45prpplagueCosmicPenguin: legacy system with just 4-bit interface available
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