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Re: mbx redboot not working !!
- To: Nohee Ko <nhko at gctsemi dot com>
- Subject: Re: [ECOS] mbx redboot not working !!
- From: Jonathan Larmour <jlarmour at redhat dot com>
- Date: Wed, 16 May 2001 17:27:20 +0100
- Cc: ecos-discuss at sources dot redhat dot com
- Organization: Red Hat UK Ltd.
- References: <9860C773D04D834D83FD6FAD00A61E9311B6E5@gctsemi.gctsemi.com>
Nohee Ko wrote:
>
> hi.
> I try to port mbx redboot to my mpc860 platform.
> my mpc860 platform is different from MBX board but very similiar to
> that.
> so I modified MBX redboot source little bit and compiled successfuly.
> then I fused redboot.srec to flash rom.
> but when I power up the platform, I cannot see anything without '+' on
> debug monitor.
> watching printing '+' on debug monitor, my platform seems to go
> successfuly by 'initialize_stub' function on vectors.S routine.
> But that's it. no more message. no RedBoot> message appears.
> I can't key in any character, either.
What did you change? How did you build?
If there is also a packet like $T05:1234567;0f etc. then that may indicate
it hit an exception on startup, e.g. by accessing an illegal address.
Why not just try sticking printf()s in cyg_start() in
redboot/current/src/main.c and seeing where it fails.
Jifl
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