Re: [ECOS] Reboot flashing from eCos system?

[Gary Thomas <gary at mlbassoc dot com>]

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

-- 
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Gary Thomas                 |  Consulting for the
MLB Associates              |    Embedded world
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