Re: [uCsimm] ping flood

From: Mahmut C. Genceli (yunus@AdvancedRelay.com)
Date: Fri Jan 14 2000 - 16:29:42 EST


Tom Walsh wrote:
>
> Rob Scott wrote:
>
> > On Fri, 14 Jan 2000, Tom Walsh wrote:
> >
> > > Tom Walsh wrote:
> > >
> > > Okay, <whew!>, I have my platform up!!! So far, the 8M Flash
> > is working
> > > (programmed some bytes, thanks Vladimir!), 8M DRAM is working, and
> > the External Memory
> > > access as well. Still need to test the SPI to the Dallas clock
> > and the /SRESET logic.
> > >
> >
> > Great! BTW, I believe that m68k devices are big endian, as opposed
> > to
> > intel processors, which are little endian...
>
> Yeah, I always get confused as to what to call it when the Big end
> starts first in memory, maybe that is why they call it "big endian"?
> ;^)
>

Ask yourself "Which end FIRST ?" (stored in memory that is.)
BIGger end if it is BIG endian
SMALLer end if it is LITTLE endian.

You can't go wrong :)

>
> >
> >
> > > Also, I need to put together a skeleton Makefile to start
> > building a downloader to
> > > program the Flash (I am not familiar with the GNU make utility),
> > does anyone have a
> > > small skeleton project that I can use as a standalone foundation
> > to build upon? I
> > > know that I can spend some time with dissecting the Makefile for
> > the kernel, but I
> > > would appreciate saving some time right now, please keep in mind
> > that the downloader
> > > will be GPL'ed.
> > >
> > You might try looking at colilo, available at:
> > http://www.moretonbay.com/coldfire/boot.html
> >
>
> Thanks, this is exactly what I needed, it is a small compact
> project that I can now start hacking apart and use to start building
> my loader from. I have a lot to learn about gcc, as I see a lot of
> the volitile directives your sources, the optimizer needs to be told
> not to make the Flash, SFR, etc, not to be an optimized array, eh?
>
> Thank you,
>
> TomW
>
>
> --
> Tom Walsh - Embedded Systems Consultant - tom over_at mytoys(.)com
> 'www.mytoys.com', 'www.openhardware.net', 'www.cyberiansoftware.com'
> "Windows? No thanks, I have work to do..."
>
>
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