IRC log for #maemo-ssu on 20120929

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11:18.08SiceloLOL
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13:45.34DocScrutinizer06Sicelo: indeed
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18:38.27keriofreemangordon: btw, what's the status of hardfp in cssu-thumb?
18:38.40freemangordonno hardfp
18:39.09kerio:c
18:39.14keriowhat would it take to add hardfp?
18:39.56freemangordona new kernel, libc and full recompilation :D
18:40.13keriocool
18:40.14keriodo it
18:40.43freemangordonyeah, I was about to start
18:40.48kerioreally? :o
18:40.51freemangordonno
18:41.01kerioaww :c
18:41.18keriofreemangordon: would binary stuff work as it is?
18:41.19freemangordonand new kernel does not mean some KP with patches
18:41.20freemangordon;)
18:41.44freemangordonthough kernel might not be needed
18:42.09freemangordononly glibc recompiled for hardfp and all userland recompiled with hardfp
18:42.14keriois it a different architecture altogether?
18:42.31freemangordonabi is different
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18:42.50kerioso... yes?
18:43.04freemangordonyes
18:43.16keriocool
18:43.34keriohypothetically, how would you run nokia binaries?
18:43.42kerioqemu?
18:44.22freemangordonon the device :D
18:44.31freemangordonaah, you mean hardfp
18:44.32kerioi said how, not where
18:44.42kerioyeah
18:44.44freemangordonchroot on the device
18:45.16freemangordonas it is not really a different architecture
18:45.17keriooh, so it's somewhat compatible
18:45.18kerioi see
18:45.47freemangordondifference between softfp and hardfp is calling convention
18:46.09freemangordonsoftfp uses integer regs to pass floating point parameters
18:46.19freemangordonhardfp uses FPU regs
18:49.10DocScrutinizer05difference is glibc aiui
18:49.51DocScrutinizer05so make all your hardfp stuff link against a new freaky glibc instead of the original one and you're probably fine
18:50.51freemangordonwell, AFAIK you can't simply do that, as all other stuff (libs) should be hardfp too
18:51.01DocScrutinizer05I.E. statically linked to glibc-hardfp  would already solve all problems ;-)  [except the problem with size this will need]
18:51.16DocScrutinizer05hmm yeah
18:51.19DocScrutinizer05good point
18:51.25freemangordonit is not only glibc, but everything linked against it :D
18:51.41DocScrutinizer05sure, that's what I said
18:51.56DocScrutinizer05statically linked *to* glibc-hardfp
18:52.43DocScrutinizer05but that would cause other libs use glibc-hardfp too, while those other libs maybe are still assuming standard glibc
18:52.49freemangordonno, you need to link statically to all libs your cool application uses. and they should be hardfp as well
18:53.05DocScrutinizer05yes, exactly what I just said
18:53.08freemangordonok
18:53.34kerioby the way, is XIP feasible?
18:53.53keriohell, is it even doable, considering ubifs does compression?
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18:56.09DocScrutinizer05what's XIP?
18:57.36kerioexecute-in-place
18:57.56freemangordonsounds cool. and what it does?
18:59.30keriohttp://elinux.org/Kernel_XIP - "In general, time savings of about .5 seconds have been observed."
18:59.34kerioZOMG
18:59.38kerioA FULL HALF SECOND
19:00.42kerioanyway, you need uncompressed stuff
19:01.24keriofreemangordon: run stuff directly from a storage device
19:01.29keriowithout copying it in ram first
19:01.33freemangordonyeah, i read it
19:43.24DocScrutinizer05freemangordon: it means CPU runs program text off storage directly, rather than load it to RAM and execute from there
19:44.09DocScrutinizer05big difference between NAND and NOR flash for booting
19:44.21DocScrutinizer05NOR can do XIP, NAND can't, afaik
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20:10.14fw190DocScrutinizer05: ping
20:10.22kerioDocScrutinizer05: why is that?
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20:39.43DocScrutinizer51fw190: pong
20:39.57fw190howdy
20:39.57DocScrutinizer51kerio: somesth about addressing
20:40.10fw190I'm trying to give LXDE a shot
20:40.25fw190but don't know hwich one to choose from http://software.opensuse.org/search?q=LXDE&baseproject=openSUSE%3A12.2&exclude_debug=true
20:41.19fw190any suggestions
20:43.08fw190I did  zypper install lxde-common
20:43.19fw190but when I pick it up wle boot nothing happens
20:43.37fw190blinks a fewa times and I get back to the password area
20:44.04DocScrutinizer05fw190: yes, I suggest you open yast, click on "insatll/remove software", enter lxde to search, and install lxdm or something like that
20:45.22DocScrutinizer05ooh, you need to check "description"
20:46.06fw190there are a few meta packages
20:46.11fw190and a bunch of other ones
20:49.34DocScrutinizer05yeah, under "pkg-groups", "windows managers, others" also no LXDE, but a lot of other wm
20:50.18fw190this is strange
20:50.22DocScrutinizer05sorry I have no idea who's packaging this LXDE and what's supposed to be in that metapackage
20:50.28fw190there is gnome, xgce kde but no lxde
20:50.34fw190ah
20:50.36fw190ok
20:50.47fw190will try to pester google for it
20:50.58DocScrutinizer05I'd have thought if you install LXDM (display manager) it will pull in all other needed stuff as dependency
20:54.17DocScrutinizer05lxsession, lxde-common, dunno
20:54.29DocScrutinizer05just install them all in yast
20:54.36DocScrutinizer05and see what that gives you
20:54.41fw190ok
20:57.04DocScrutinizer05just don't forget to check upper four checkboxes under searchstring entry
20:57.48DocScrutinizer05btw lxde-patterns-opensuse pulled in quite a number of other stuff
20:58.42DocScrutinizer05patterns-opensuse-lxde actaully
20:59.24merlin1991bah where did my mea fw image go
20:59.36merlin1991~lart my backup scheme
20:59.36infobotpushes the wall down onto my backup scheme whilst whistling innocently
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21:02.29DocScrutinizer05wonders why fw190 vanished
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21:03.57DocScrutinizer05just when I was about to just install patterns-opensuse-lxde as that pulls in like 50 other pkgs as dependencies
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21:18.37DocScrutinizer05yay, Donnie Darko in TV
21:18.56DocScrutinizer05one of the stranger movies I ever saw
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21:22.29Skryexcellent movie
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