Re: Floating point in kernel?
On Sat, May 26, 2018 at 11:11 AM Konstantin Belousov wrote: > On Sat, May 26, 2018 at 10:59:50AM +0100, Johannes Lundberg wrote: > > Hi > > > > The new AMD graphics drivers use floats in kernel space. > > Upstream Linux code has something like: > > kernel_fpu_begin(); > > ... > > kernel_fpu_end(); > > > > Do we have similar functions to save/restore FPU registers? > Read fpu_kern(9). > Thanks! Actually I found that just after hitting the send button :) ___ freebsd-current@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/freebsd-current To unsubscribe, send any mail to "freebsd-current-unsubscr...@freebsd.org"
Re: Floating point in kernel?
On Sat, May 26, 2018 at 10:59:50AM +0100, Johannes Lundberg wrote: > Hi > > The new AMD graphics drivers use floats in kernel space. > Upstream Linux code has something like: > kernel_fpu_begin(); > ... > kernel_fpu_end(); > > Do we have similar functions to save/restore FPU registers? Read fpu_kern(9). ___ freebsd-current@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/freebsd-current To unsubscribe, send any mail to "freebsd-current-unsubscr...@freebsd.org"
Floating point in kernel?
Hi The new AMD graphics drivers use floats in kernel space. Upstream Linux code has something like: kernel_fpu_begin(); ... kernel_fpu_end(); Do we have similar functions to save/restore FPU registers? Cheers ___ freebsd-current@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/freebsd-current To unsubscribe, send any mail to "freebsd-current-unsubscr...@freebsd.org"
