Re: [rtl] math emulation ?

[Michael Barabanov <baraban@fsmlabs.com>]

Wolfgang Guldner (w.guldner@bfad.de) 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.