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Date:      Thu, 17 Oct 2002 14:05:50 -0400
From:      wolf <mjoyner2@hq.dyns.cx>
Cc:        emulation <emulation@freebsd.org>
Subject:   Re: vmware2 and SIMD instructions
Message-ID:  <3DAEFBFE.7020800@hq.dyns.cx>
References:  <3DAE160C.2070905@hq.dyns.cx> <3DAE18CA.9020609@yahoo.com.au>

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Well, after some research last night, there is apparantly no way to trap
cpuid calls. :(

Anyone out there know anyway to trap the simd enabling instruction in
vmware?

Q wrote:

 > As a guess, without trying it. I would suspect that you needed to trick
 > vmware2 into thinking the host processor doesn't support it. The guest
 > OS should then see the same capabilities that vmware2 thinks it is being
 > hosted on.
 >
 > There is probably something in the linux "/proc" that vmware uses to
 > report the cpu capabilities. If you hack the linux emulation to exclude
 > simd from that list then it might work.
 >
 > Why do you need to exclude it anyway?
 >
 > Seeya...Q
 >
 > wolf wrote:
 >
 >> Is there anyway to prevent the vmware2 from detecting SIMD capabilities
 >> on a processor? maybe have it lie to the guest OS about the processer
 >> installed?
 >>
 >
 >


-- 
Michael Joyner
FreeBSD System Administrator
http://manhattan.hq.dyns.cx/



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