Re: [ECOS] Run Redboot from flash

[Gary Thomas <gary at mlbassoc dot com>]

On Wed, 2003-12-24 at 05:14, Ricardo Andrino wrote:
> Hello,
> i have sent this mail to you a week ago with the .elf generated, 
> which you wanted  to examine . I told you too that i am using the gcc 5.3. 
> Did you receive it?

Yes.  I don't see anything obvious, other than the order of the 
sections.  I asked if you were running a RedBoot built after October 17.
I believe that you said yes, but I need to know for sure that the 
sources were updated from *CVS* after that date.  There was a minor
change in RedBoot's ELF loader that could affect your problem.

Also, what happens if you try to download a stripped binary?   For 
example, run 'arm-elf-strip <file>.elf' and then try to load it.

> 
> Thanks a lot
> Mery Christmas
> 
> NOT FOUND schrieb am 16.12.03 14:26:48:
> > Gary Thomas <gary@mlbassoc.com> schrieb am 16.12.03 14:01:27:
> > > 
> > > On Tue, 2003-12-16 at 05:37, Ricardo Andrino wrote:
> > > > Hello,
> > > > 
> > > > I think that there is a problem with the generated .elf file. 
> > > > I have run the applications with .bin and .srec and all work 
> > > > fine but if i try to do it with the .elf files an error comes 
> > > > ( 0x08054 not a RAM address, see please in the mails).I have 
> > > > done what all you me suggested, arm-elf-strip, and the problem 
> > > > comes again. Only to know why is happend. I can use .bin and 
> > > > .srec file to run my applications.
> > > 
> > > What tools are you using (GCC, BINUTILS)?
> > > Can you send me (or make available) the ELF image?  I'd like
> > > to examine it here.
> > 
> > I use GCC with -g option. Here is the .elf file.
> > Thanks 
> > > > 
> > > > 
> > > > Thanks a lot
> > > > 
> > > > Nick Garnett <nickg@ecoscentric.com> schrieb am 12.12.03 16:09:03:
> > > > > 
> > > > > "Ricardo Andrino" <ricardo_andrino@web.de> writes:
> > > > > 
> > > > > > Ok i can see now the famous ecos world!!!
> > > > > 
> > > > > > What i have done is to convert the hello.elf file into hello.bin,
> > > > > > because the .elf file needs more memory that is available. Then
> > > > > > Redbbot> load -r -m xmodem -b 0x0000c000, send the hello.bin and
> > > > > > then Redboot>go 0x0000c000 or 0x0000c040, i can't remember now, and
> > > > > > Hello Ecos world!!
> > > > > > 
> > > > > > Thats problem is that if you use load -m xmodem without -b option
> > > > > > the program is downloaded anywhere.Then a RAM application desnt't
> > > > > > run from 0x00020000 does it?
> > > > > > 
> > > > > > Ok thank you all of you for all, i will have a good weekend!!!
> > > > > 
> > > > > If you converted it to an SRecord file rather than a straight binary,
> > > > > you should be able to load that using "load -m x".
> > > > > 
> > > > > I suspect that the problem may be in the .debug sections which have to
> > > > > be loaded and disposed of before loading the actual code. Try running
> > > > > arm-elf-strip on the ELF file and then load the stripped executable.
> > > > > That ought to work.
> > > > > 
> > > > > 
> > > > > -- 
> > > > > Nick Garnett                    eCos Kernel Architect
> > > > > http://www.ecoscentric.com      The eCos and RedBoot experts
> > > > > 
> > > > > 
> > > > > -- 
> > > > > Before posting, please read the FAQ: http://sources.redhat.com/fom/ecos
> > > > > and search the list archive: http://sources.redhat.com/ml/ecos-discuss
> > > > > 
> > > > 
> > > > 
> > > > ______________________________________________________________________________
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> > > -- 
> > > Gary Thomas <gary@mlbassoc.com>
> > > MLB Associates
> > > 
> > 
> > 
> 
> 
> ______________________________________________________________________________
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-- 
Gary Thomas <gary@mlbassoc.com>
MLB Associates


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