Mike Swanson wrote:
I have a need currently to emulate specifically an 80486 processor,
nothing lower or higher than that.
Is it possible to configure QEMU in any way to simply emulate a 486,
or compile it like that?
It is currently not possible, but adding it would be possible: the first
step is to modify the cpu init in target-i386/helper2.c to disable
most of the cpuid bits. The second step is to modify
target-i386/translate.c to test every cpuid bit (it is not done for all
instructions: I did it mostly for MMX/SSE).
Fabrice.
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