> -----Original Message----- > From: Wolfgang Grandegger [mailto:[EMAIL PROTECTED] > Sent: mardi 9 mars 2004 10:15 > To: Jan Kiszka; Mica Hallin > Cc: RTnet Users > Subject: RE: [RTnet-users] Re: > > > >-- Original Message -- > >From: Jan Kiszka <[EMAIL PROTECTED]> > >To: Mica Hallin <[EMAIL PROTECTED]> > >CC: RTnet Users <[EMAIL PROTECTED]> > >Subject: [RTnet-users] Re: > >Date: Mon, 08 Mar 2004 19:15:01 +0100 > > > > > >Hi, > > > >you accidentally posted to the admin address. > > > >> Hi, > >> > >> I must try RTnet perf on powerpc embeded system > >> > >> System config : > >> > >> MPC8245 > >> EtherExpress 100 > >> > >> The system boot via NFS with bootp so I have to built-in > ethernet driver > >on > >> kernel > > Well, are you sure about that. Likely the kernel boots out of > flash memory or is downloaded via tftp. Then the kernel mounts > the root file-system via NFS.
the kernel is loaded from the flash memory and then it mount the the root filesystem with NFS. > > > > >Sounds tricky. > > > >> Can I try to boot with a initrd image and load the RT ethernet module > and > >> then boot via nfs ? or can I built-in RT ethernet into my kernel ? > >> > > > >Even if you were able to built the RT-driver into your kernel, it would > > >not be usable as a normal NIC as long as the realtime network is not > >running. A "realtime" boot over a RTnet segment would require > >significant extensions to RTnet and RTAI (the latter would also be > >required to become built-in). > > > >Do you have the chance to boot your system over Etherboot with TFTP and > > >then switch it over to a realtime network segment? This is how I bring > >up my test boxes. > > See above. You should be able to install a RAMdisk based system > (initrd) in the Flash memory or on a FLASH file-system (CRAMFS, > JFSS2) and boot Linux without using the network. Nevertheless, > working in such an environment is cubersome. > > Wolfgang. > Yes I will try to put all I need to the initrd image and forget the server Thanks a lot !! ------------------------------------------------------- This SF.Net email is sponsored by: IBM Linux Tutorials Free Linux tutorial presented by Daniel Robbins, President and CEO of GenToo technologies. Learn everything from fundamentals to system administration.http://ads.osdn.com/?ad_id=1470&alloc_id=3638&op=click _______________________________________________ RTnet-users mailing list [EMAIL PROTECTED] https://lists.sourceforge.net/lists/listinfo/rtnet-users
