From: Tomasz Chmielewski <mangoo@wpkg.org>
To: LKML <linux-kernel@vger.kernel.org>, phdm@macqel.be
Subject: Re: linux kernel without file system
Date: Wed, 14 Jan 2009 09:46:48 +0100 [thread overview]
Message-ID: <496DA678.1090701@wpkg.org> (raw)
> I need to design a very small embedded system that must only control
> one ethernet port and two serial lines and must fit in a very small flash
> memory. So I thought about replacing the call to /etc/init by my application
> program and removing all the file-system part of linux.
>
> Is that doable ?
>
> Is there a 'standard' way of doing that ?
>
> The first problem I see is accessing my serial lines. How could I do that
> without using open("/dev/ttySx"), which requires a file system ?
>
> Is there a way to access devices that does not require a file-system ?
You could put everything in initramfs (and embed it in the kernel).
--
Tomasz Chmielewski
http://wpkg.org
next reply other threads:[~2009-01-14 8:47 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-01-14 8:46 Tomasz Chmielewski [this message]
2009-01-14 9:34 ` linux kernel without file system Philippe De Muyter
2009-01-14 9:52 ` Xavier Bestel
2009-01-14 10:18 ` Philippe De Muyter
2009-01-14 14:27 ` Rogan Dawes
2009-01-14 14:52 ` Philippe De Muyter
2009-01-14 14:57 ` Rogan Dawes
2009-01-14 15:24 ` Philippe De Muyter
2009-01-14 15:31 ` Rogan Dawes
2009-01-15 18:06 ` Arnd Bergmann
2009-01-14 10:34 ` Kay Sievers
2009-01-14 13:49 ` Xavier Bestel
2009-01-17 19:38 ` Enrico Weigelt
2009-01-14 11:59 ` Arnd Bergmann
2009-01-14 12:18 ` Philippe De Muyter
2009-01-14 14:27 ` David Newall
2009-01-14 14:49 ` Philippe De Muyter
2009-01-14 15:14 ` David Newall
2009-01-14 17:02 ` John Stoffel
-- strict thread matches above, loose matches on Subject: below --
2009-01-14 8:30 Philippe De Muyter
2009-01-14 10:15 ` Alan Cox
2009-01-15 15:34 ` Enrico Weigelt
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