Messages in this thread | | | From | Hans-Peter Jansen <> | Subject | Re: [Q] Looking for an emulation for CMOV* instructions. | Date | Fri, 11 Jan 2002 20:59:45 +0100 |
| |
On Friday, 11. January 2002 00:28, Alan Cox wrote: > > is it possible to include an emulation for the CMOV* (and possible other > > i686 instructions) for processors that dont have these (k6, pentium > > etc.)? I think this should work like the fpu emulation. Even if its slow > > The kernel isnt there to fix up the fact authors can't read. Its also very > hard to get emulations right. I grant that this wasn't helped by the fact > the gcc x86 folks also couldnt read the pentium pro manual correctly.
But it shouldn't crash, if the wrong architecture is chosen. (Different problem, I know) Perfect solution would be emulate them all, but at least an simple error message (please eject CPU, and put in a XXX one) would be sufficient, IMHO.
> If you have a static linked program install the right version. RPMv4 > even knows about cmov and i686 rpms.
Hans-Peter - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |