Avi Kivity wrote:
> On 02/23/2010 01:30 PM, Jan Kiszka wrote:
>>> How to detect that emulation is complete? emulate_instruction() should
>>> return EMULATE_DONE in this case.
>>>      
>> ...*and* RIP moved forward.
>>    
> 
> A branch or rep instruction can successfully execute and not change rip.
> 
> Btw, do we expect a #DB on every iteration of rep?  In this case we need 
> to modify the code, currently we'll batch rep;ins and rep;outs up to a 
> page's worth.

Right, TF triggers after each rep step. So we need to break this up when
tracing is on. That's now definitely something we need a deeper emulator
change.

Jan

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