Re: Arm Cortex M4 floating point

[Peter Maydell]

On Mon, 17 Aug 2020 at 14:22, Mircea Cociuba <cociuba_mircea@yahoo.com> wrote:
>
> Hello Guys,
>
> Currently trying to run some code that uses FPU instructions.
> Arm-CortexM4F core.
>
> Using the stelaris board with M3 core, but param M4.
>
> qemu-system-arm -M lm3s811evb -cpu cortex-m4 -m 8K -nographic -kernel 
> notmain.bin
>
> How can I use the FPU in QEMU?

Try using a machine type that uses the Cortex-M4, like
the netduinoplus2. Usually it's a bad idea for arm boards
to try to specify a different CPU than the one they default
to.

thanks
-- PMM