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RE: Request for comments - Redboot load command writing directlyto flash
- From: Gary Thomas <gary at mlbassoc dot com>
- To: Øyvind Harboe <oyvind dot harboe at zylin dot com>
- Cc: eCos patches <ecos-patches at sources dot redhat dot com>
- Date: 14 Jul 2003 15:17:53 -0600
- Subject: RE: Request for comments - Redboot load command writing directlyto flash
- Organization: MLB Associates
- References: <001801c34a49$b64e2af0$0200000a@famine>
On Mon, 2003-07-14 at 14:51, Øyvind Harboe wrote:
> Some more feedback:
>
> - The GDB interface does not support writing applications
> to flash before debugging them. I suppose this issue
> is bound to open up the question as to what to do with
> breakpoints in flash. Does this entail more than writing
> a flash routine which disables all interrupts, saves of a
> sector, erases, restores sector w/breakpoint instruction?
>
> This project is getting a bit out of hand, but it is nice
> to have all suggestions on the table, even if we decide
> to leave some of them out(at least for now).
>
I really doubt that you'd ever want to do that, just for
debugging, since most FLASH devices will wear out after
only a few (100,000 or so) cycles. Debugging could easily
cause this level of activity very quickly.
--
Gary Thomas <gary@mlbassoc.com>
MLB Associates