On Mon, Jun 22, 2015 at 01:08:02PM +0200, Radim Krčmář wrote:
> W10 insider has a bug where it ignores CPUID level and interprets
> CPUID.(EAX=07H, ECX=0H) incorrectly, because CPUID in fact returned
> CPUID.(EAX=04H, ECX=0H); this resulted in execution of unsupported
> instructions.
>
> While it
On Mon, Jun 22, 2015 at 01:08:02PM +0200, Radim Krčmář wrote:
> W10 insider has a bug where it ignores CPUID level and interprets
> CPUID.(EAX=07H, ECX=0H) incorrectly, because CPUID in fact returned
> CPUID.(EAX=04H, ECX=0H); this resulted in execution of unsupported
> instructions.
>
> While it
W10 insider has a bug where it ignores CPUID level and interprets
CPUID.(EAX=07H, ECX=0H) incorrectly, because CPUID in fact returned
CPUID.(EAX=04H, ECX=0H); this resulted in execution of unsupported
instructions.
While it's a Windows bug, there is no reason to emulate incorrect level.
I used h