Re: [kvm-devel] Real Mode Improvement on Intel Hosts - GSoC Project

[Guillaume T. <gui...@ex...>]

On Fri, 25 Apr 2008 09:51:04 +0300
Avi Kivity <av...@qu...> wrote:

> > [60108.040894] emulation at (46e53) rip 6e13: ea 18 6e 18
> >   
> 
> Here cs.rpl == cpl == 0
> 
> > [60108.072108] emulation at (46e58) rip 6e18: 66 b8 20 00
> > [60108.103997] emulation at (46e5c) rip 6e1c: 8e d8 8c d0
> > [60108.148114] emulation at (46e5e) rip 6e1e: 8c d0 81 e4
> > [60108.180117] emulation at (46e60) rip 6e20: 81 e4 ff ff
> > [60108.212008] emulation at (46e66) rip 6e26: c1 e0 04 01
> > [60108.244926] emulation at (46e69) rip 6e29: 01 c4 66 b8
> > [60108.272948] emulation at (46e6b) rip 6e2b: 66 b8 08 00
> >   
> 
> mov $8, %eax
> 
> > [60108.304953] emulation at (46e6f) rip 6e2f: 8e d0 8e c0
> >   
> mov %eax, %ss
> 
> Here, ss.rpl == 0

Yes, thus ss.rpl should be equal to cs.rpl (both equal to 0) and we
should be in VMX friendly state. Mmmh, that means I made a mistake in
the implementation of 0xb8 or 0x8e instruction. I'm investigating,
thanks for your help.

Best regards,
Guillaume