Messages in this thread | | | Date | Wed, 25 Mar 2009 22:54:33 +0100 | From | Jiri Slaby <> | Subject | Re: Linux and FPU |
| |
On 03/25/2009 12:09 PM, Evgeniy Ivanov wrote: > Hello, > > Can somebody point me to some general places, where I can look on how FPU > support is implemented. I understand that there is not one place, where things > done, the only I know, that there should be places for detecting FPU hardware > and places with assembly routines for pushing around floating point registers,
I think you want to start with arch/x86/kernel/i387.c arch/x86/math-emu/
> assembly/C-hybrid code for handling floating point exceptions.
and arch/x86/kernel/traps.c
| |