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Re: RedBoot startup
- From: Andrew Lunn <andrew dot lunn at ascom dot ch>
- To: e1243 at mosk dot tytlabs dot co dot jp
- Cc: ecos-discuss at sources dot redhat dot com
- Date: Mon, 23 Sep 2002 12:27:50 +0200
- Subject: Re: [ECOS] RedBoot startup
- References: <20020923.185436.104025919.e1243@tytlabs.co.jp>
On Mon, Sep 23, 2002 at 06:54:36PM +0900, e1243@mosk.tytlabs.co.jp wrote:
> Hi, all.
>
> I'm trying to use RedBoot in a SH7750 board. I re-built RedBoot image
> and programmed it into a ROM, but the "RedBoot>" prompt doesn't come.
> The connection is a serial line (SCIF port of SH7750) and I used
> minicom as terminal software.
>
> Bootup message is:
>
> --
> RedBoot(tm) bootstrap and debug environment [ROM]
> Non-certified release, version UNKNOWN - built 11:55:49, Sep 23 2002
>
> Copyright (C) 2000, 2001, 2002, Red Hat, Inc.
>
> RAM: 0x$T0210:8000b488;0f:0c0024f8;#5c
> --
>
> And any key hit, I got string '$T0210:8000b488;0f:0c0024f8;#5c'.
>
> What is this means? It looks like GDB stub output, but user's guide
> says GDB stub doesn't start until got '$' character.
It is GDB output. Redboot has crashed for some reason and dropped into
the gdb stub. Connect gdb and use your redboot image. You can then
work out where/why, its crashed. You may also gets some clues from
what it was trying to do at the time, namely, work out how much RAM
your system has....
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