Re: [ECOS] Re: eCos with the existing boot loader problem

[shobhan Kumar Ayyadevara <shobana at in dot ceeyes dot com>]

Hi
   I could not find CYGSEM_HAL_USE_ROM_MONITOR option for ARM Target. Can you
please let me know where we can find that option ?

Please let me know how to use ICE with eCos ..

thanks in advance
shobhan

Jonathan Larmour wrote:

> shobhan Kumar Ayyadevara wrote:
> >
> > Hello,
> >
> > I have a boot loader for my ARM 7TDMI based SOC board. It will just copy
> > the image from the flash to the RAM and gives a jump to the predefined
> > location. We were able to load any image built using ARM SDT 2.51 and
> > multi-ICE. But we are not able to load the eCOS generated with RAM boot
> > option. I am using cygwin, binutils 2.10, gcc 2.95.2 on Windows
> > platform. Is it possible to use such kind of boot loader for eCos?
>
> Probably. For a start, are you sure you are in supervisor mode when
> execution is transferred. Secondly, disable CYGSEM_HAL_USE_ROM_MONITOR.
> Finally check your entry point - it should be reset_vector. After that -
> well, if you've got an ICE you should be able to debug it pretty well.
>
> Jifl
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