.... I remember the discussion in Vienna about integer overrun! It sounds like it!
I Paolo is correct if you talk about a view (desktop) systems. But the embedded
world
is often using exactly the same software many times. It's a matter of calculation
now.
To anybody who remembers the discussion in Vienna about the integer values I want
to say:
Especially we - as embedded programmers - should spend much time in these kind of
things.
But not all of us are producing code for more then 10 devices.
Beside of this: Paolo, you are doing a great job!
Paolo Mantegazza schrieb:
> Michael Barabanov wrote:
> >
> > Wolfgang Guldner ([EMAIL PROTECTED]) wrote:
> > > Hello everybody,
> > >
> > > I installed rtlinux2.0 on a 486 AMD SC410 without FPU, so I turned on
> > > the CONFIG_MATH_EMULATION in the Kernel.
> > > Everything works fine until I try to start the fp example. Then the System
> > > crashs with the following message:
> > >
> > > math_emulate: 0010:c1823aa9
> > > Kernel panic: Math emulation needed in kernel
> > >
> > > What can I do?
> >
> > Right now, you can't use RT-threads that use FP on CPUs without an FPU.
> > You can help with making RTLinux use the Linux FP emulator code.
> >
> > Michael.
>
> I like to recall to you all that at the RTL site there is already
> something in that direction. Moreover also Daniele Danlugli did
> something about FPU emulation, 3 years ago.
>
> Beside that remember that a today scarce PC will cost about 500 $, and
> outperform any fp emulation on an old 486. If you are able to code a
> fully featured FP emulation, or to port that available in Linux, you are
> a programmer worth 40 $/h work. That means that after three nights of
> overwork you are loosing money :-). Better to go to a PC dump site and
> buy and old Pentium for 50-100 $.
>
> Ciao, Paolo.
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