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Re: Linux over RedBoot
- To: Jesper Skov <jskov at redhat dot com>
- Subject: Re: [ECOS] Linux over RedBoot
- From: Gary Thomas <gthomas at redhat dot com>
- Date: Thu, 12 Jul 2001 06:11:03 -0600 (MDT)
- Cc: ecos-discuss at sources dot redhat dot com,Fabrice Gautier <gautier at email dot enst dot fr>
- Organization: Red Hat, Inc.
On 12-Jul-2001 Jesper Skov wrote:
>>>>>> "Fabrice" == Fabrice Gautier <gautier@email.enst.fr> writes:
>
> Fabrice> On Wed, 11 Jul 2001 15:53:14 -0600 (MDT)
> Fabrice> Gary Thomas <gthomas@redhat.com> wrote:
>>>
>>> On 11-Jul-2001 Venkat Mynampati wrote:
>>> > Has anyone tried running Linux over Redboot?
>>>
>>> We do it all the time on a number of different platforms.
>>>
>>> Do you have specific questions about this, or just wondering?
>
> Fabrice> Yes, one (for now) Does your linux kernel use Redboots
> Fabrice> Virtual Vectors and stuff or is Redboot just wiped from
> Fabrice> memory once the kernel is launched?
>
> RedBoot is wiped on all platforms. Linux runs directly on the
> hardware.
>
> However, on SH platforms RedBoot can still be used to debug the Linux
> kernel (via serial only though).
This is purely a matter of *cooperation* - if the Linux kernel is willing
to cooperate with the debug agent [RedBoot], as with the SH version, then
many things are possible. In most cases, Linux considers itself omnipotent
and RedBoot is out of the picture the instant you say 'exec'.