Hi David, On Thu, Jan 24, 2013 at 7:50 AM, David Miller <davem@xxxxxxxxxxxxx> wrote: > > I don't think we're going to support chips that lack an FPU, > sorry. > > You can't even run the simplest things like the python interpreter > without FPU support, the first thing it does during initialization > is do a floating point square root. As Joris said, you can compile software to do their floating point calculations in software - I believe the option is --no-fpu in gcc - however the entire toolchain needs to be compiled with support for this. - http://gcc.gnu.org/wiki/Software_floating_point - http://gcc.gnu.org/onlinedocs/gcc/SPARC-Options.html - http://stackoverflow.com/questions/1018638/using-software-floating-point-on-x86-linux Also, ignoring the massive amount of work this would take, would it be possible to handle the trap by hooking into the kernel's soft float implementation instead? Personally, I don't see any issue with printing a scary message and killing the task if it tries to do floating point on a system without it. Thanks, -- Julian Calaby Email: julian.calaby@xxxxxxxxx Profile: http://www.google.com/profiles/julian.calaby/ .Plan: http://sites.google.com/site/juliancalaby/ -- To unsubscribe from this list: send the line "unsubscribe sparclinux" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
