[U-Boot-Users] »Ø¸´: About the u-boot (in ELF binary format)

Tore Martin Hagen thagen at slb.com
Tue Jan 10 08:31:48 CET 2006

Hi ???

The ELF file is used by HW-debuggers, since it contains symbol information.

/Tore Martin Hagen

??? wrote:

>   As you said, one must download the .bin file to flash and not the
>ELF file, and U-Boot is a boot loader and not an application programm
>which can  be
>run under Linux. then, what is the u-boot(in ELF binary format) for ?
>  I red the book"Building Embeded Linux systems " written by Karim
>Yaghmour,in section 9.5 it described like this:
>  If you intend to debug U-Boot itself ,copy the ELF binary also:
>  $ u-boot ${PROJECT}/images/u-boot-0.2.0
>  Here ${PROJECT}/images is a directory to which u make a copy of the
>relevant bootloader images. so, i guess the ELF file may be downloaded
>to target to debug u-boot. Is it so and how does the file work?
>  Thank you in advance!
>2006/1/9, Wolfgang Denk <wd at denx.de>:
>>In message <c002eb610601090235h7b139895p at mail.gmail.com> you wrote:
>>>    I have successfully compiled u-boot and ,as you know, there are
>>>several object files produced after"make all", one of which is
>>>u-boot(in ELF binary format) . Now, i run the u-boot(in ELF binary
>>>format) in target board (Embedded Planet EP405)with   Linux kernel and
>>>NFS file system.
>>>    # ./u-boot
>>>    then appears the error echo:
>>>    Segmentation fault
>>>    will you please tell me what's the problem and how to solve it?
>>U-Boot is a boot loader and not an application programm which can  be
>>run under Linux.
>>Best regards,
>>Wolfgang Denk
>>Software Engineering:  Embedded and Realtime Systems,  Embedded Linux
>>Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd at denx.de
>>Every little picofarad has a nanohenry all its own.      - Don Vonada
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