From 5fc96ccc463f2108a292f5bda572dfa9f2ce8f5f Mon Sep 17 00:00:00 2001 From: kstailey Date: Mon, 21 Apr 1997 15:40:22 +0000 Subject: [PATCH] mention GPL_MATH_EMULATE --- share/man/man4/man4.i386/npx.4 | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/share/man/man4/man4.i386/npx.4 b/share/man/man4/man4.i386/npx.4 index 38f258baed4..3ab5bc3c61c 100644 --- a/share/man/man4/man4.i386/npx.4 +++ b/share/man/man4/man4.i386/npx.4 @@ -27,7 +27,7 @@ .\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF .\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. .\" -.\" $Id: npx.4,v 1.2 1996/08/08 17:11:27 deraadt Exp $ +.\" $Id: npx.4,v 1.3 1997/04/21 15:40:22 kstailey Exp $ .\" .Dd August 6, 1993 .Dt NPX 4 i386 @@ -57,13 +57,14 @@ coprocessors. The driver is required for proper system functioning regardless of whether or not a NPX is present. .Pp -If there is no NPX present in the system, the "MATH_EMULATE" -option must be defined in the kernel configuration file. -It will provide support for the instructions normally executed +If there is no NPX present in the system, either the "MATH_EMULATE" +option or the "GPL_MATH_EMULATE" must be defined in the kernel configuration +file. It will provide support for the instructions normally executed by the NPX. If there is no NPX in the system and the kernel is not built with math emulation, the system will not boot. .Sh CAVEATS The emulator is much slower than the NPX coprocessor. +(The GPLed version of the emulator is somewhat faster than the non-GPLed one.) This will result in poor floating-point math performance if the emulator must be used. .Sh BUGS -- 2.20.1