On 13-Mar-00 Kevin D. Kissell wrote:
[FPU emulator crashes on R3912]
> There are two ways in which the FPU emulator is close enough
> to the hardware to be this sensitive to implementation. One
> is the way the emulator provokes an address error exception to
> execute a delay slot instruction following a simulated branch, but
> I don't think df or fsck do any branch-on-floating-conditions. The
> other is, of course, that it counts on getting sensible and recoverable
> coprocessor unusable exceptions. If the R3912 does something
> funky to the processor state on a CP1 unusable fault - an event
> that it doesn't have to deal with in its principal mission
> as a Windows CE platform - the results would be much
> what you are seeing.
Good Point. Thanks, Kevin, I'll look deeper into that.
--
Regards,
Harald
