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Re: RedBoot patches regarding redboot_getc_terminate
Andrew Lunn wrote:
>> I'm not entirely happy with the fix. It terminates the download when all
>> the relevant bits of the ELF have been transferred. The causes the
>> sender to think that the file transfer has failed which causes some
>> customer confusion.
>
> It is possible to include a text string in the error message.
>
> http://www.faqs.org/rfcs/rfc1350.html, figure 5-4.
>
> So maybe a message like "Remaining file contents not required" would
> prevent confusion. This assumes the lame tftp servers actually display
> the message to the user.
This would take care of the TFTP transfers. But what about the Y-modem
transfers?
>> I think a better solution would be for the downloader to continue to
>> transfer the remaining portions of the ELF image and just throw them away."
>
> This can be a lot of data, eg the complete debug symbol table if the
> image has been compiled -g. I would not really be in favor of that.
Agreed. Although I think this is what RedBoot used to do for Y-modem
transfers.
David Vrabel
--
David Vrabel, Design Engineer
Arcom, Clifton Road Tel: +44 (0)1223 411200 ext. 3233
Cambridge CB1 7EA, UK Web: http://www.arcom.com/