From mboxrd@z Thu Jan 1 00:00:00 1970 From: Gary Thomas To: "Trenton D. Adams" Cc: eCos Discussion Subject: RE: [ECOS] ethernet download Date: Fri, 24 Aug 2001 08:06:00 -0000 Message-id: References: <000801c12cad$55a75ac0$090110ac@TRENT> X-SW-Source: 2001-08/msg00816.html 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? :-)