Subject: Re: Undefined instruction?
To: Ken Hornstein <kenh@cmf.nrl.navy.mil>
From: Richard Earnshaw <rearnsha@arm.com>
List: port-arm32
Date: 10/16/1998 16:29:24
> >0x4c00048f = stcmi 4, cr0, [r0], #-572
> >
> >Co-processor 4 is not a standard co-processor, so my guess is you are
> >trying to execute data -- ie your program jumped to never-never land.
>
> Hmmm, I guess a better question would be, "Why do I get this irregularly
> from make and cc when doing a make build?" Is this a possible indicator
> of bad memory, perhaps?
>
> --Ken
Possible, or it could be an indication of a kernel problem (a race or
something like that). For the memory problem, there is probably a
diagnostic routine in the firmware which you can use to do memory tests.
I don't know what it would be called though.
Richard.