This is the mail archive of the
ecos-discuss@sources.redhat.com
mailing list for the eCos project.
Re: Reboot flashing from eCos system?
On Wed, 2005-07-20 at 23:38 +0200, Stefan Sommerfeld wrote:
> Hi,
> >>
> >> Is it possible to re-flash reboot from a running ecos system? I need to
> >> flash a whole system (inclusive reboot) for production, but i'm not sure
> >> if
> >> i can flash reboot besides the normal system (ecos and configs).
> >
> > Yes, if your RedBoot runs in ROMRAM mode, then this would be safe.
>
> Thanks ... you're understanding me. I, of course, talked about RedBoot.
>
> Any chance to do this with a ROM RedBoot? I have a pre-installed RedBoot on
> a module which i want to replace. I'm thinking about disabling all IRQ's,
> MMU tables should already be in RAM, so if there's no special locking
> mechanism in RedBoot, flashing should work.
Probably *not* safe as there are many mechanisms within RedBoot that
your application will rely upon, unless you disable
CYGSEM_HAL_USE_ROM_MONITOR
--
------------------------------------------------------------
Gary Thomas | Consulting for the
MLB Associates | Embedded world
------------------------------------------------------------
--
Before posting, please read the FAQ: http://ecos.sourceware.org/fom/ecos
and search the list archive: http://ecos.sourceware.org/ml/ecos-discuss