applications in HHL 2.0, 405GP

Joe Green jgreen at mvista.com
Wed Sep 19 05:05:09 EST 2001


David Updegraff wrote:
> Anyway, I thought it was the "theory" that the kernel was trapping the
> float instructions and emulating them...???

Remember that it's not just a matter of configuring math emulation into
the kernel.  The function call ABI is different for soft vs. hard
float, so library calls will go kerflooey if you mix the two.  If you
stick to all hard float user space, you can use kernel math emulation.

--
Joe Green <jgreen at mvista.com>
MontaVista Software, Inc.

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