From mboxrd@z Thu Jan 1 00:00:00 1970 From: shobhan Kumar Ayyadevara To: Jonathan Larmour Cc: ecos-discuss@sourceware.cygnus.com Subject: Re: [ECOS] Re: eCos with the existing boot loader problem Date: Wed, 18 Jul 2001 00:11:00 -0000 Message-id: <3B55383A.D8314B5C@in.ceeyes.com> References: <3B545DC5.641AA6DA@in.ceeyes.com> <3B547009.51DFBC4B@in.ceeyes.com> <3B547085.855C48F8@in.ceeyes.com> <3B548F40.D4A822AA@redhat.com> X-SW-Source: 2001-07/msg00534.html 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 > -- > Red Hat, Rustat House, Clifton Road, Cambridge, UK. Tel: +44 (1223) 271062 > Maybe this world is another planet's Hell -Aldous Huxley || Opinions==mine > Come to the Red Hat TechWorld open source conference in Brussels! > Keynotes, techie talks and exhibitions http://www.redhat-techworld.com/