On Sep 1, 2010, at 3:02 AM, Paul Mackerras wrote: > On Tue, Aug 31, 2010 at 10:55:25PM -0400, Sean MacLennan wrote: > >> I had to give up. Without the CONFIG_PPC_FPU it compiles fine for an >> FPU less 44x. But with the CONFIG_PPC_FPU, I get the following errors: > > Ah, those references would be from arch/powerpc/lib/sstep.c. Evidently > we need #ifdef CONFIG_PPC_FPU around the emulation of the floating-point > loads and stores. > > Do we do any in-kernel emulation of floating-point operations with > CONFIG_PPC_FPU turned off?
I'm not aware of any. I haven't looked at the Program Check exception path to know if we'd handle emulation gracefully or not for !CONFIG_PPC_FPU. - k _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
