From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Fri, 21 Jun 2002 16:46:00 -0300 From: Ricardo Scop Reply-To: Ricardo Scop Message-ID: <15698.020621@vanet.com.br> To: Tim Lai Cc: linuxppc-embedded@lists.linuxppc.org Subject: Re[2]: Can I run Linux without a file system? In-reply-To: <20020621193517.35031.qmail@web21110.mail.yahoo.com> References: <20020621193517.35031.qmail@web21110.mail.yahoo.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Sender: owner-linuxppc-embedded@lists.linuxppc.org List-Id: Tim, Maybe initrd and linuxrc is enough for your system. Read the file initrd.txt in the Linux source tree Documentation sub-directory. []'s, Scop mailto:scop@vanet.com.br ------------------------------------------------------------------ It might look like I'm doing nothing, but at the cellular level I'm really quite busy. Friday, June 21, 2002, 4:35:17 PM, you wrote: TL> Thanks, Jason. TL> I am new to linux kernel. I'll have the main TL> application run from init(), so I wasn't planning TL> to have a file system. >> Yes. You will always have SOME kind of filesystem. >> But this begs another >> question. How much do you know about Linux, and what >> are you really asking? TL> If /proc and /dev is not really on any disk, what do TL> I have to do to init or create /dev? Do I need ramdisk TL> as a minumum requirement for linux? TL> My main goal right now is to get the serial port TL> to work, so I can do some debugging with the dumb TL> terminal. After I do tty_register() in the serial TL> driver, does linux assign /dev/ttyS to this device? >> The /proc filesystem is not really on any disk, just >> like /dev (I think) >> isn't on any disk, though they look like to us users >> that they are >> filesystems. >> TL> Can you give me pointers on which file to read? >> >> Does this help? >> TL> Yes. Thank you very much. :) ** Sent via the linuxppc-embedded mail list. See http://lists.linuxppc.org/