From owner-freebsd-current Wed May 5 13:33:53 1999 Delivered-To: freebsd-current@freebsd.org Received: from cimlogic.com.au (cimlog.lnk.telstra.net [139.130.51.31]) by hub.freebsd.org (Postfix) with ESMTP id D56FD152F8 for ; Wed, 5 May 1999 13:33:47 -0700 (PDT) (envelope-from jb@cimlogic.com.au) Received: (from jb@localhost) by cimlogic.com.au (8.9.1/8.9.1) id GAA28793; Thu, 6 May 1999 06:42:51 +1000 (EST) (envelope-from jb) From: John Birrell Message-Id: <199905052042.GAA28793@cimlogic.com.au> Subject: Re: Math emulation is broken in sys/i386/isa/npx.c In-Reply-To: <199905051819.EAA23864@godzilla.zeta.org.au> from Bruce Evans at "May 6, 1999 4:19:16 am" To: bde@zeta.org.au (Bruce Evans) Date: Thu, 6 May 1999 06:42:51 +1000 (EST) Cc: current@FreeBSD.ORG, jb@cimlogic.com.au X-Mailer: ELM [version 2.4ME+ PL43 (25)] MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-freebsd-current@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG Bruce Evans wrote: > >Rev 1.67 of npx.c changed a #ifdef SMP to #ifdef 1, preventing the > >test for the hardware coprocessor. This breaks support for 386 processors > >without math coprocessors. Grrr. > > It was also broken a month ago by changing TARGET_DEFAULT from > (MASK_NO_FANCY_MATH_387 | 0301) for gcc to 0301 for egcs. This mainly > permits egcs to emit fsqrt instructions. This can be worked around > by using the GPL'ed math emulator or rebuilding everything affected > with CFLAGS+=-fno-fancy-math-387. Well at least at that time I could _boot_ the kernel. Now it just hangs. -- John Birrell - jb@cimlogic.com.au; jb@freebsd.org http://www.cimlogic.com.au/ CIMlogic Pty Ltd, GPO Box 117A, Melbourne Vic 3001, Australia +61 418 353 137 To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message