From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Trenton D. Adams" To: "'Mark Salter'" , Cc: Subject: RE: [ECOS] ethernet download Date: Fri, 24 Aug 2001 08:24:00 -0000 Message-id: <001101c12cb0$df48a1f0$090110ac@TRENT> References: <200108241522.f7OFMDW13533@deneb.localdomain> X-SW-Source: 2001-08/msg00820.html 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