Date: Sun, 06 Dec 1998 16:52:11 +0100 From: Poul-Henning Kamp <phk@critter.freebsd.dk> To: Andrzej Bialecki <abial@nask.pl> Cc: Eivind Eklund <eivind@yes.no>, Mark Tinguely <tinguely@plains.NoDak.edu>, luigi@labinfo.iet.unipi.it, freebsd-current@FreeBSD.ORG Subject: Re: 3.0 and double operations in device drivers Message-ID: <41879.912959531@critter.freebsd.dk> In-Reply-To: Your message of "Sun, 06 Dec 1998 16:33:51 %2B0100." <Pine.BSF.4.02A.9812061632390.9936-100000@korin.warman.org.pl>
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>Ok, guys, tell me what I'm missing here: if the FP math cannot be used in >kernel, then what for is the FPU emulator needed for SX processors??? For userland programs. If you execute an FP instruction the CPU traps into the kernel which has to carry out the stuff (or kill the process). -- Poul-Henning Kamp FreeBSD coreteam member phk@FreeBSD.ORG "Real hackers run -current on their laptop." "ttyv0" -- What UNIX calls a $20K state-of-the-art, 3D, hi-res color terminal To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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