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-   -   Maemo Rewritten (https://talk.maemo.org/showthread.php?t=30607)

slonopotamus 2009-08-01 08:07

Maemo Rewritten
 
Hello, Maemo community.

As a part of an effort to move N8x0 tablets to fully open software stack, I'm rewriting closed parts of Maemo platform as an free and opensource software.

In order to avoid 'derivative works', I don't dissasemble existing closed programs, but instead just observe theiir external behaviour (mostly via strace).

Current achievements:
fb_text2screen - fully functional analogue of text2screen framebuffer text drawing tool froom initfs.
opendsme - rewrite of closed dsme parts and related tools. Most important piece: libopencal - rewrite of libcal, CAL storage access library. At the moment, only readonly access is possible, however I plan to add write support next week or two.

My next major goal is BME - battery charge controller.

What help I'm asking for: search and post here closed software that you want to be rewritten (no GUI or firmware stuff, please). If you have spare time, dissasemble/strace/debug/whatever those binaries and document their behaviour as much as you can.

slonopotamus 2009-08-01 08:22

Re: Maemo Rewritten
 
Quote:

Originally Posted by meizirkki (Post 308138)
N810 GPS-drivers? :rolleyes:

That'll be kinda tricky 'cause I only own N800.

meizirkki 2009-08-01 08:29

Re: Maemo Rewritten
 
how about DSP (sound?) stuff then? :D

luca 2009-08-01 12:47

Re: Maemo Rewritten
 
Quote:

Originally Posted by meizirkki (Post 308141)
how about DSP (sound?) stuff then? :D

Wasn't nokia going to open the specification of the remaining closed bits of hardware by 2027?

FRZ 2009-08-01 13:25

Re: Maemo Rewritten
 
Quote:

Originally Posted by luca (Post 308160)
Wasn't nokia going to open the specification of the remaining closed bits of hardware by 2027?

funny guy.

FRZ 2009-08-01 13:33

Re: Maemo Rewritten
 
You know its funny that the mobile os maemo who was build from debian, an os who's sole purpose is open sourse, yet most of their system is closed. Why did nokia even bother?

GeneralAntilles 2009-08-01 16:47

Re: Maemo Rewritten
 
Quote:

Originally Posted by FRZ (Post 308163)
You know its funny that the mobile os maemo who was build from debian, an os who's sole purpose is open sourse, yet most of their system is closed. Why did nokia even bother?

You also know what's funny? Made up statistics. The open/closed ratio is around 80/20, certainly nowhere near your claim of 'most'. . . .

FRZ 2009-08-01 17:55

Re: Maemo Rewritten
 
Quote:

Originally Posted by GeneralAntilles (Post 308180)
You also know what's funny? Made up statistics. The open/closed ratio is around 80/20, certainly nowhere near your claim of 'most'. . . .

The 20 percent being 90 percent of nokia software/drivers that the tablet need to function.

lma 2009-08-01 19:59

Re: Maemo Rewritten
 
Quote:

Originally Posted by GeneralAntilles (Post 308180)
You also know what's funny? Made up statistics. The open/closed ratio is around 80/20

BTW, what does that ratio represent? Number of source or binary packages, lines of code, disk usage, or something else entirely, and is it based on the firmware image or the SDK?

GeneralAntilles 2009-08-01 23:13

Re: Maemo Rewritten
 
Quote:

Originally Posted by FRZ (Post 308183)
The 20 percent being 90 percent of nokia software/drivers that the tablet need to function.

Woo! Even more made up statistics!


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