[U-Boot-Users] Booting Standalone App?

[U-Boot-Users] Booting Standalone App?

[onyxtape]

Hi there,

So what are the steps to get u-boot to boot the hello_world example? I'm
evaluating the PowerPC 440-based AMCC Yosemite board. This is what I have
done:

gzip hello_world.bin

mkimage -A ppc -0 linux -T standalone -C gzip -a 40000 -e 40004 -n
"Standalone" -d hello_world.bin.gz hello_world.ub

Then I loaded the ub file onto the board at 0x40000. Then when I tried to
bootm 40000, it would uncompress the standalone app (Uncompressing
Standalone Application ... OK) then stop after showing 2 symbols.

What am I doing wrong?

I'm a complete newbie to u-boot and I've tried to find discussions online
and reading the DULG, but I'm not having too much luck...

Thanks!
-- 
View this message in context: http://www.nabble.com/Booting-Standalone-App--tp15172456p15172456.html
Sent from the Uboot - Users mailing list archive at Nabble.com.

[U-Boot-Users] Booting Standalone App?

[David Hawkins]

onyxtape wrote:
> Hi there,
> 
> So what are the steps to get u-boot to boot the hello_world example? I'm
> evaluating the PowerPC 440-based AMCC Yosemite board.

Here are the notes I wrote for the Yosemite board,
they include how to build the standard standalone
example. Perhaps that will help you.

http://www.ovro.caltech.edu/~dwh/powerpc_440ep.pdf

Cheers,
Dave

[U-Boot-Users] Booting Standalone App?

[Wolfgang Denk]

In message <15172456.post@talk.nabble.com> you wrote:
> 
> So what are the steps to get u-boot to boot the hello_world example? I'm
> evaluating the PowerPC 440-based AMCC Yosemite board. This is what I have
> done:

Please RTFM.

> I'm a complete newbie to u-boot and I've tried to find discussions online
> and reading the DULG, but I'm not having too much luck...

Seems you didn't really try.

See http://www.denx.de/wiki/view/DULG/UBootStandalone and
http://www.denx.de/wiki/view/DULG/MyStandaloneProgramDoesNotWork

Best regards,

Wolfgang Denk

-- 
DENX Software Engineering GmbH,     MD: Wolfgang Denk & Detlev Zundel
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd at denx.de
Save energy:  Drive a smaller shell.

[U-Boot-Users] Booting Standalone App?

[onyxtape]

Wolfgang,

Thank you for your reply.

I've already read the documents that you have referenced before posting my
first message. I had already gotten hello_world to run in u-boot without
problems (by using the go command), so that is not an issue.

My original question was - is it possible to boot a standalone application
like the hello_world example like a kernel? I did not see any reference
materials which shows how this is done. I have not changed the code in
hello_world, so the entry point should not have moved. Did I use mkimage
correctly?

Thanks,
Randy




See http://www.denx.de/wiki/view/DULG/UBootStandalone and
http://www.denx.de/wiki/view/DULG/MyStandaloneProgramDoesNotWork

Best regards,

Wolfgang Denk

-- 
DENX Software Engineering GmbH,     MD: Wolfgang Denk & Detlev Zundel
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd at denx.de
Save energy:  Drive a smaller shell.

-------------------------------------------------------------------------
This SF.net email is sponsored by: Microsoft
Defy all challenges. Microsoft(R) Visual Studio 2008.
http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/
_______________________________________________
U-Boot-Users mailing list
U-Boot-Users at lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/u-boot-users



-- 
View this message in context: http://www.nabble.com/Booting-Standalone-App--tp15172456p15188816.html
Sent from the Uboot - Users mailing list archive at Nabble.com.

[U-Boot-Users] Booting Standalone App?

[Wolfgang Denk]

In message <15188816.post@talk.nabble.com> you wrote:
> 
> I've already read the documents that you have referenced before posting my
> first message. I had already gotten hello_world to run in u-boot without
> problems (by using the go command), so that is not an issue.

Well, that's the documented way to start standalone applications.

The only documented way, IIRC.

> My original question was - is it possible to boot a standalone application
> like the hello_world example like a kernel? I did not see any reference

Is it a kernel? No.  Does any part of the documentation say it could
be used like that? No.

> materials which shows how this is done. I have not changed the code in
> hello_world, so the entry point should not have moved. Did I use mkimage
> correctly?

This question makes no sense to me.

Best regards,

Wolfgang Denk

-- 
DENX Software Engineering GmbH,     MD: Wolfgang Denk & Detlev Zundel
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd at denx.de
If you can't beat it or corrupt it, you pretend it was your  idea  in
the first place.                 - Terry Pratchett, _Guards! Guards!_