Avi Kivity wrote:
On 07/07/2009 04:15 PM, Jerry Geis wrote:
Notice FPU indicates yes and I requested -fpu on the command line.
I think it detects the host fpu as a 487 coprocessor. Anything in
dmesg about it? Note there's no fpu in the flags: line.
That's a kvm kernel bug.
also is this a 486 as it says AMD?
You can override it if you like, -cpu 486,vendor=AuthenticAMD (I
think).
Sorry - I thought the " -cpu 486,-fpu " was the way to turn off the fpu.
I 'm trying to emulute a 486 sx that has no fpu.
I thought so too, but in fact it emulates a 486sx+487. We can make it
emulate a 486sx without a 487, but that will take a kernel patch.
I'd be interested in that if you can make it happen.
jerry
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