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RE: ethernet download
- To: "'Mark Salter'" <msalter at redhat dot com>,<gthomas at redhat dot com>
- Subject: RE: [ECOS] ethernet download
- From: "Trenton D. Adams" <tadams at theone dot dnsalias dot com>
- Date: Fri, 24 Aug 2001 09:24:30 -0600
- Cc: <ecos-discuss at sourceware dot cygnus dot com>
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.
-----Original Message-----
From: Mark Salter [mailto:msalter@redhat.com]
Sent: Friday, August 24, 2001 9:22 AM
To: gthomas@redhat.com
Cc: tadams@theone.dnsalias.com; ecos-discuss@sourceware.cygnus.com
Subject: Re: [ECOS] ethernet download
>>>>> Gary Thomas writes:
> On 24-Aug-2001 Trenton D. Adams wrote:
>> That sounds cool. I never thought of that. I'll try it. How much
RAM
>> does Redboot take up? Can you have it take up a smaller amount of
RAM
>> after it's started the other system? We are only putting 1M RAM on
our
>> target board so I can't have it taking up much.
>>
> The normal case is for RedBoot to use 128K. However, if you're
willing
> to give up RedBoot's services (e.g. network console & debugging, etc)
> after starting your code, that can be reduced to 0 (it's a non-factor
> becaose your code will use everything available).
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.
--Mark