[U-Boot-Users] Debugging U-Boot Under DDD

Talib Alim talibalm at hotmail.com
Tue Jul 13 20:23:54 CEST 2004


This is the point, My flash is located at 0x02000000 and I erased this
location before programming. But prog command for elf format file is
trying to write to 0x04000000 and bin format writes to 0x02000000 ok.

The difference b/w bin & elf is that obviouly elf is much bigger. The
elf image is about 1mb.

TA
--- "VanBaren, Gerald (AGRE)" <Gerald.VanBaren at smiths-aerospace.com>
wrote:
> 
> Did you erase 0x04000000 (and following) before loading?
> 
> Read those locations before and after programming and tell us what
> they have in them.
> 
> gvb
> 
> 
> > -----Original Message-----
> > From: u-boot-users-admin at lists.sourceforge.net
> > [mailto:u-boot-users-admin at lists.sourceforge.net]On Behalf Of
> > Talib Alim
> > Sent: Tuesday, July 13, 2004 1:58 PM
> > To: Wolfgang Denk; talibalm at hotmail.com
> > Cc: U-Boot List
> > Subject: Re: [U-Boot-Users] Debugging U-Boot Under DDD
> >
> >
> > I tried loading elf file, this is what I get
> >
> > BDI>erase 0x02000000 chip
> > Erasing flash at 0x02000000
> > Erasing flash passed
> > BDI>prog 0x02000000 u-boot elf
> > Programming u-boot , please wait ....
> > - File offset 0x00000078 to address 0x04000000 size 131408
> > # Programming flash memory failed at 0x04000040
> >
> > TA
> >
> > --- Wolfgang Denk <wd at denx.de> wrote:
> > > In message <20040713001816.61544.qmail at web50501.mail.yahoo.com>
> you
> > > wrote:
> > > > I am using eldk
> > >
> > > OK.
> > >
> > > > I am using bin {& not elf}, apart from this problem, it seems
> to
> > > be
> > > > doing fine.
> > >
> > > Try loading the ELF file instead - then GDB will  automatically
> > > load
> > > all required information about source files.
> > >
> > > Best regards,
> > >
> > > Wolfgang Denk
> > >
> > > --
> > > Software Engineering:  Embedded and Realtime Systems,  Embedded
> > > Linux
> > > Phone: (+49)-8142-4596-87  Fax: (+49)-8142-4596-88  Email:
> > > wd at denx.de
> > > The human mind treats a new idea the way the body  treats  a
> > > strange
> > > protein - it rejects it.                                 - P.
> > > Medawar
> > >
> > >
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