Re: [ECOS] Re: newbie - PB startup with Adder875

[Andrew Lunn <andrew at lunn dot ch>]

On Thu, Jan 05, 2006 at 06:31:30PM +0100, damien lefort wrote:
> >
> >
> >On Tue, Dec 27, 2005 at 06:22:15PM +0100, damien lefort wrote:
> >>Hi,
> >>
> >>I try to run the sample test "basic" from ecos distribution on Adder-875 
> >>(MPC875).
> >>I use the A&M distribution for configuration.
> >>I've generated the binary withour error but I can't execute the 
> >>generated code (only som incoherent chars on console). I've tried with 
> >>gdb and I got SIGEVT and nothing more.
> >>The board works well for RedBoot and also with the Linux installed in 
> >>the flash.
> >>
> >>What can I do?
> >>
> >>Thanks
> >>
> >>
> >>====trace from console
> >>RedBoot(tm) bootstrap and debug environment [ROMRAM]
> >>A&M certified release, version 2005-09-07-RELEASE - built 19:59:38, Sep 
> >>14 2005
> >>
> >>Platform: A&M Adder (PowerPC 875)
> >>Copyright (C) 2003, 2004, 2005, Analogue & Micro, Ltd.
> >>Copyright (C) 2000, 2001, 2002, 2003, 2004 Red Hat, Inc.
> >>
> >>RAM: 0x00000000-0x01000000, [0x00053270-0x00fe1000] available
> >>FLASH: 0xfe000000 - 0xfe800000, 128 blocks of 0x00010000 bytes each.
> >>RedBoot> load basic
> >>Using default protocol (TFTP)
> >>Entry point: 0x00060000, address range: 0x00060000-0x00068cbc
> >>RedBoot> go 0x60000
> >>D.p.tpzppppqppp{pqzppp.p{Cv.D.p.tpzppppqppp{pqzppp.p{Cv.D.p.tpzppppqppp{pqzppp..
> >
> >This could be a baud rate problem?
> >
> >       Andrew
> >
> 
> I don't think so cause gdb announce fatal error and chars are sent by 
> eval board without any char sent from console.

But if it has crashed the gdb stub will output a string telling you
where it has crashed. Im guessing that that gibberish you see is that
string, but at the wrong baud rate.

        Andrew


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