Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!usc!ucsd!pacbell.com!ames!sgi!shinobu!odin!ramoth.esd.sgi.com!msc From: msc@ramoth.esd.sgi.com (Mark Callow) Newsgroups: comp.sys.dec Subject: Re: R2010 problems while porting an OS to the R2000 Message-ID: <1990Dec3.214844.9225@odin.corp.sgi.com> Date: 3 Dec 90 21:48:44 GMT References: <2628@charon.cwi.nl> Sender: news@odin.corp.sgi.com (Net News) Reply-To: msc@sgi.com Organization: Silicon Graphics Inc., Entry Systems Division Lines: 16 In article <2628@charon.cwi.nl>, jack@cwi.nl (Jack Jansen) writes: |> Currently, I'm using the DEC3100 and the SGI 3D/25 as the first |> machines to port to. |> |> I keep getting 'Unimplemented Operation' traps at quite unexpected |> times. After looking at the Ultrix sources I'm getting the impression |> that the kernel should be ready to execute any FP op, not just the |> unimplemented ones like sine or sqrt. Is this correct? |> All IRIS 4D's have FPU's. Are you having this problem on the IRIS as well as the 3100 as your article implies or only on the 3100? -- From the TARDIS of Mark Callow msc@ramoth.sgi.com, ...{ames,decwrl}!sgi!msc "Spirits of genius are always opposed by mediocre minds" - Albert Einstein