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Re: ethernet download
- To: Gary Thomas <gthomas at redhat dot com>
- Subject: Re: [ECOS] ethernet download
- From: Grant Edwards <grante at visi dot com>
- Date: Fri, 24 Aug 2001 10:44:55 -0500
- Cc: ecos-discuss at sourceware dot cygnus dot com,Mark Salter <msalter at redhat dot com>,"Trenton D. Adams" <tadams at theone dot dnsalias dot com>
- References: <20010824103407.B3603@visi.com> <XFMail.20010824094832.gthomas@redhat.com>
On Fri, Aug 24, 2001 at 09:48:32AM -0600, Gary Thomas wrote:
>
> On 24-Aug-2001 Grant Edwards wrote:
> > On Fri, Aug 24, 2001 at 09:24:30AM -0600, Trenton D. Adams wrote:
> >
> >> > Also, in the case of systems like linux, RedBoot is out of the
> >> > picture completely once the app is started. The app is then
> >> > free to reuse any RAM that was previously used by RedBoot.
> >>
> >> Well then how are you supposed to ever update your program? If
> >> redboot doesn't watch on the network port, you can't update
> >> your program anymore.
> >
> > You push the little red reset button on the corner of the
> > board. That returns control to RedBoot.
> >
> > [There needs to be an international treaty forbidding the
> > trafficing in hardware without reset buttons.]
>
> How about hardware with no serial port - only an ethernet connection?
> Yes, we have worked with such beasties... fun, in the purest sense :-)
My version of RedBoot listens on a TCP port. You push the
reset button then you've got 10 seconds to telnet to RedBoot.
Once you've opened a telnet session, it just like you're
connected to a serial console.
--
Grant Edwards
grante@visi.com