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M1Sports20
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PostPosted: Thu Dec 08, 2005 1:32 am    Post subject: Gentoo on Embedded Reply with quote

Does anyone think it is possible to fit a basic linux, apache, mono. fit in 90 megabytes. I only have 128 megs of ROM, and need about 20 megs free for my use.??

If so can I get some recommendations. Is gentoo the right distro to try? Once its up I don't need package management, but I will have to fix security flaws

thanks
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codergeek42
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PostPosted: Thu Dec 08, 2005 1:38 am    Post subject: Reply with quote

Moved from Kernel & Hardware to Gentoo on Alternative Architectures.
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GenTimJS
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PostPosted: Fri Dec 09, 2005 9:31 pm    Post subject: Reply with quote

at my last job, we successfully squeezed a fully functional FreeBSD install onto a 128 meg stick of compact flash, for use in a router (pc talking to a T1-CSU/DSU through a pci card) which needed to boot quicker

had the base install, and all the utils needed for routing squeezed down to about 80 or 90 megs.
the big chor was manual removal of -every- file we could tell we would never need, and not running (and deleting) system services like logging and cron
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ppoudrier
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PostPosted: Wed Dec 21, 2005 2:36 pm    Post subject: Reply with quote

Follow this procedure, your will be able to build a fully functionnal gentoo system within 20Mb

[url]http://gentoo-wiki.com/TinyGentoo
[/url]
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Dr.Dran
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PostPosted: Sat Dec 24, 2005 11:48 am    Post subject: Reply with quote

WOW that's a cool profile, but I have another questions... I will make a gentoo stage3 running in a motherboard that runs a PXA255 Xscale... is possible with the /usr/portage/profile/embedded do that?
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SpanKY
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PostPosted: Sat Dec 31, 2005 2:57 am    Post subject: Reply with quote

DranXXX wrote:
I will make a gentoo stage3 running in a motherboard that runs a PXA255 Xscale


why waste your time, we already have Gentoo/uClibc/armeb (hard/soft) float stages

DranXXX wrote:
... is possible with the /usr/portage/profile/embedded do that?


don't use that profile, it's dead
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Dr.Dran
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PostPosted: Sat Dec 31, 2005 9:12 am    Post subject: Reply with quote

@SpanKY
Wow... thanx, where I can find that?
Who is the mantainer?

Thanx very much :D
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SpanKY
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PostPosted: Sat Dec 31, 2005 9:20 am    Post subject: Reply with quote

DranXXX wrote:
Wow... thanx, where I can find that?


on our mirrors ... in the experimental/arm/embedded/ tree

DranXXX wrote:
Who is the mantainer?


the arm / embedded teams
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Dr.Dran
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PostPosted: Sat Dec 31, 2005 9:23 am    Post subject: Reply with quote

Thank you very much!!! :D
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Dr.Dran
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PostPosted: Sat Dec 31, 2005 9:33 am    Post subject: Reply with quote

Oops... last but not the list... eh eh eh
To begin develop or instaling software wich packages in portage did you suggest me?

I think first of all crossdev, and did you know a good emulator? Do you utilize another packages?

Thanx and excuse me for the double post :P :wink: :D
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chilla
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PostPosted: Thu Feb 16, 2006 8:47 am    Post subject: Reply with quote

with gentoo, i built a complete rootfs including the following:

uclibc, baselayout-lite, busybox, perl, dropbear

to fit on a 6mb strataflash :)

in fact, the rootfs is about 14mb large, but i use jffs2 as the filesystem on my flash and that fs has a buildtin compression, so that all the stuff takes about 5,4mb (including some kernelmodues) on the strata-flash :)
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Dr.Dran
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PostPosted: Mon Apr 03, 2006 7:26 pm    Post subject: Reply with quote

Here I am again :D

I look at that Guide in the Wiki; well, since I wanted to build a ARM development enviromet, I installed crossdev to build the cross-chains tools like gcc/uclib/gdb and now I don't know what to do.

In the guide the following steps are listed:

Quote:
1. create a cross-compiler environment (binutils + libc + compiler) (use crossdev)
2. emerge the cross-compiled run-time environment (binutils + libc) to the staging area (use emerge or a stage-tarball)
3. emerge the basic root file system to the staging area (use emerge or a stage-tarball)
4. emerge/install other packages to the staging area (use emerge)
5. pack up the staging area file system and flash to your device


I've done the first step to build the cross-complier:

Code:
crossdev -s4 --target armeb-softfloat-linux-uclibc


Now I downloaded a stage3 armeb, but i don't know how to go step further.

P.S. I had no problem when using a x86 embedded; I look at the guide to learn how to build a core x86 embedded Gentoo and I succeded.

P.P.S. Every kind of help is welcome :lol: :lol: :lol:
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PostPosted: Sun Jul 02, 2006 9:59 pm    Post subject: Reply with quote

Hi, I'm here again, I would like to know something: in the past I have readed that gentoo supporting the uclinux project with the kernel and the libs... Here was write that there is the uclinux-sources in the portage repository, but now there isn't true...
Well now I will begin to support a XILINX platform named MICROBLAZE and I know that the uclinux support that device, I'm interested to port gentoo on that architecture, is possible?

Cheers

Franco
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SpanKY
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PostPosted: Sun Jul 02, 2006 10:44 pm    Post subject: Reply with quote

it wouldnt really make sense at this time unless you feel like doing a lot of work

otherwise you should just fetch the sources from http://uclinux.org/
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toysoft
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PostPosted: Wed Jul 12, 2006 10:43 am    Post subject: Searching for compiling a linux in a small STB based on ST Reply with quote

Hello everybody,

I am searching to fit on a STB box from ST, that is based on ST5100 or ST5514/5518 chips, a minimal Gentoo Linux version.

The hardware is from ST (I beleive 6805 at the origin but I can be wrong), and the box has 4 Mb of Flash and 64 Mb of Ram.

Thanks,

Jan

P.S. : See for hardware specs,
http://www.tsrme.com/PVR_1.jpg
http://www.tsrme.com/PVR_2.jpg
http://www.tsrme.com/PVR_Motherboard.jpg
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SpanKY
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PostPosted: Wed Jul 12, 2006 10:13 pm    Post subject: Re: Searching for compiling a linux in a small STB based on Reply with quote

toysoft wrote:
I am searching to fit on a STB box from ST, that is based on ST5100 or ST5514/5518 chips, a minimal Gentoo Linux version.


i'm pretty sure those are based on SuperH, but dont quote me on that :P

i havent made any Gentoo/SuperH releases yet, hopefully i'll have some for 2006.1
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longshot
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PostPosted: Tue Aug 01, 2006 7:41 am    Post subject: Re: Searching for compiling a linux in a small STB based on Reply with quote

toysoft wrote:
Hello everybody,

I am searching to fit on a STB box from ST, that is based on ST5100 or ST5514/5518 chips, a minimal Gentoo Linux version.


I have an STB with ST5518 processor. Not sure what os it runs, but doesnt look like linux :). I searched a lot to see if ppl were running linux on 5518s, and didnt really find anything. However, there is stlinux for the ST5528 which is as far I can work out is the successor to the 551* series. Seems these embedded processors are cpu+dsp combos, with the cpu often using quite mature ABIs. From memory (about a year ago I really looked into this), the 551* processors use an ST20 instruction set, whereas the ST552* are using ST40. Embedded stuff is not really something i know a lot about though, so could be very wrong,

I'm probably going to replace the stb with a media pc anyway, now that mainstream low power cpus are here (35 W athlon64) - no fans! But if I do find a commodity DVB STB running linux, I might change my mind ...
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toysoft
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PostPosted: Sat Aug 05, 2006 2:04 pm    Post subject: Excellent, the new generation of boards is based on 5100 and Reply with quote

Excellent, the new generation of boards is based on 5100 and 7100 (Mpeg4)... PVR receivers !

If you are interested by the hardware, let me know as I could get samples that could be really nice, based on the STi5100 and the STi7100.

TS
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toysoft
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PostPosted: Sat Aug 05, 2006 2:25 pm    Post subject: Hardware specs we can get ... Reply with quote

Hardware specs we can get ...

http://www.tsrme.com/Sarab_1000.htm

and

http://www.tsrme.com/PVR_1.jpg
http://www.tsrme.com/PVR_2.jpg

Contact me if you are interested.

TS
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egberts
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PostPosted: Sun Aug 13, 2006 6:43 am    Post subject: Reply with quote

I've gotten an embedded system that is almost 8MB that does Linux, http server and ssh server (with busybox).

You should check out an excellent cross-compile development, complete with toolchain, root file system and ten dozen packages for small system.

PTXDIST
http://www.pengutronix.de/software/ptxdist_en.html
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