Patrick Olinet writes: > > > I thought that fpu emulation worked by trapping cpu exceptions when a > > > fpu instruction is being executed and then emulating this instruction > > > on software level. > > > > Yes. > > > > > Isn't the mechanism implemented by the "--with-float=soft" option ? > > > > No. FPU emulation requires no special compile-time options. The > > whole idea is that it runs the same code as native FP. > > > > In contrast, soft-float generates inline subroutine calls for all > > floating-point operations. > > ok, I get it. So, is there a way to add fpu emulation emulation to my > platform without having to change anything to my native binary code ?
It's the kernel's job. Nothing at all to do with user space code. Andrew.
