[ECOS] Redboot hanging after "go" command

Sridhar k ksridhar231@gmail.com
Tue Oct 24 02:05:00 GMT 2006


Thanks for the reply..
am getting the follwoing if i dont use the option "-b XXX"

RedBoot> load -m ymodem
CCBB*** Abort! Attempt to load S-record to address: 0x00000000, which is not val
id
xyzModem - CRC mode, 2(SOH)/1(STX)/0(CAN) packets, 4 retries
RedBoot>

By this , I think am certainly doing some thing wrong.please help me out

On 10/23/06, Gary Thomas <gary@mlbassoc.com> wrote:
> Sridhar k wrote:
> > Hi everyone,
> >
> > Am trying to load a simple hello world program after loading the
> > Redboot image into my LPCE2214 target(host is windows/cygwin).
> > The redboot image seems to be working fine.am able to ping the board
> > from the host and also i can ping the host from the target board
> > (from redboot prompt in terminal app). And here are the some redboot
> > command outputs for ref..
> >
> > *******************************
> > Non-certified release, version UNKNOWN - built 03:05:23, Oct  19 2006
> >
> > Platform: Olimex LPC-E2294 development board (ARM7TDMI)
> > Copyright (C) 2000, 2001, 2002, 2003, 2004 Red Hat, Inc.RedBoot(tm)
> > bootstrap and debug environment [ROM]
> > Copyright (C) 2003, 2004, 2005, 2006 eCosCentric Limitedrelease,
> > version UNKNOWN - built 03:05:23, Oct  19 2006
> >
> > RAM: 0x81000000-0x81100000, [0x8100cce0-0x810ed000] available
> >
> > Platform: Olimex LPC-E2294 development board (ARM7TDMI)
> > FLASH: 0x80000000 - 0x80100000, 16 blocks of 0x00010000 bytes each.
> > 2000, 2001,
> >
> >
> > RedBoot> fis list
> > Name              FLASH addr  Mem addr    Length      Entry point
> > RedBoot           0x80000000  0x80000000  0x00020000  0x00000000
> > FIS directory     0x800F0000  0x800F0000  0x0000F000  0x00000000
> > RedBoot config    0x800FF000  0x800FF000  0x00001000  0x00000000
> >
> > RedBoot>
> >
> > RedBoot> channel
> > Current console channel id: 0
> >
> >
> > *******************************
> > /* this is a simple hello world program */
> > #include <stdio.h>
> > #include <cyg/kernel/kapi.h>
> > #include <cyg/infra/diag.h>
> > #include <cyg/io/io.h>
> >
> > int main(void)
> > {
> >  diag_printf("Hello, eCos world!\n");
> >  return 0;
> > }
> > *******************************
> >
> > I h've compiled this hello.c using the Makefile from exapmles
> > directory and made the "hello.srec" from "hello.o" using the
> > arm-elf-objcopy.
> > I have loaded this hello.sre file using the folowing command from
> > windows hyperterminal redboot promt.
> >
> > *******************************
> > RedBoot> load -m ymodem -b 0x81010400
> > CCCAddress offset = 0x81010400
> > Entry point: 0x81010400, address range: 0x81010400-0x81010420
> > xyzModem - CRC mode, 2(SOH)/1(STX)/0(CAN) packets, 5 retries
> >
> > RedBoot>
> > RedBoot> go
> > *******************************
> > $ arm-elf-size hello.srec
> >   text    data     bss     dec     hex filename
> >      0      52       0      52      34 hello.srec
> >
> > after loading this when i give "go" command its hanging..its coming
> > out of this hang state only if i reset the target.
> > Please correct me if am doing any thing wrong.Please suggest.
> >
>
> Why are you forcing the address?  eCos programs are not position
> independent and the code needs to load at the address it was linked
> to run at.  Try the 'load' command without the '-b XXX' option and
> see what happens.
>
> --
> ------------------------------------------------------------
> Gary Thomas                 |  Consulting for the
> MLB Associates              |    Embedded world
> ------------------------------------------------------------
>

-- 
Before posting, please read the FAQ: http://ecos.sourceware.org/fom/ecos
and search the list archive: http://ecos.sourceware.org/ml/ecos-discuss



More information about the Ecos-discuss mailing list