RE: [ECOS] ethernet download

[Gary Thomas <gthomas@redhat.com>]

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).

> -----Original Message-----
> From: gary@chez-thomas.org [ mailto:gary@chez-thomas.org ] On Behalf Of
> Gary Thomas
> Sent: Friday, August 24, 2001 8:59 AM
> To: Trenton D. Adams
> Cc: eCos Discussion; eCos Discussion; Trenton D. Adams
> Subject: RE: [ECOS] ethernet download
> 
> 
> 
> On 24-Aug-2001 Trenton D. Adams wrote:
>> What about it?  It only allows you to download a ROM image once, and
>> then it's wiped out of FLASH, no?  If I have to download redboot every
>> time, it defeats the purpose a little bit because it might not save
> any
>> time.
>> 
> 
> That's true - for the primary ROM image.  If you're looking for a faster
> way to load big ROM images, rather than keeping RedBoot in place, you're
> out of luck I'm sorry.
> 
> What is it that you want to have in ROM?  Will it fit alongside of
> RedBoot?
> If so, you can keep RedBoot in there to help you download and manipulate
> the FLASH (I hope it's FLASH!).  You can still execute from FLASH if you
> wish, or use RedBoot commands to load & go from FLASH.
> 
> We do this sort of thing all the time with embedded Linux systems.
> RedBoot
> is kept for the purpose of system startup, download and FLASH
> management.
> When the system starts, a RedBoot script is used to startup the Linux
> kernel, etc.
> 
>> -----Original Message-----
>> From: ecos-discuss-owner@sources.redhat.com
>> [ mailto:ecos-discuss-owner@sources.redhat.com ] On Behalf Of Gary
> Thomas
>> Sent: Thursday, August 23, 2001 5:05 PM
>> To: Trenton D. Adams
>> Cc: eCos Discussion
>> Subject: RE: [ECOS] ethernet download
>> 
>> 
>> 
>> On 23-Aug-2001 Trenton D. Adams wrote:
>>> Is there a utility for my edb7111-2 for downloading ROM eCos programs
>>> over ethernet?
>>> 
>>> It would obviously have to start with serial in order to get the
>>> original ethernet driver over and then finish over ethernet.
>>> 
>> 
>> What about RedBoot? :-)