Messages in this thread | | | Date | Thu, 22 Nov 2001 13:38:37 +0100 (CET) | From | Rasmus Bøg Hansen <> | Subject | Re: Disabling FPU, MMX, SSE units? |
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On Thu, 22 Nov 2001, Maciej W. Rozycki wrote:
> On Wed, 21 Nov 2001, Pavel Machek wrote: > > > Is there way not to let linux use FPU, MMX, SSE and similar fancy > > units? I have athlon processor, but would like to turn FPU (and > > similar fancy stuff) off... > > You may use "no387" to disable FPU and MMX (they are controlled by a > single bit in cr0). No idea about SSE.
Running a kernel optimized for 386 should leave out MMX, SSE and similar fancy instrucion sets IIRC.
Rasmus
-- -- [ Rasmus 'Møffe' Bøg Hansen ] --------------------------------------- DISCLAIMER: Microsoft, Windows, Windows 98, Bugs, Lacking features, IRQ conflicts, System crashes, Non-functional multitasking, the Y2K problem and the Blue Screen of Death are registered trademarks of Microsoft, Corp., Redmond, USA. --------------------------------- [ moffe at amagerkollegiet dot dk ] --
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