Re: [kvm-devel] Protected mode transitions and big real mode... still an issue

[Avi K. <av...@qu...>]

Laurent Vivier wrote:
>> Why dst.val is not 0x53e10 ?
>>     
>
> I can answer myself to this one:
>
> 	emulate_2op_SrcB("sal", c->src, c->dst, ctxt->eflags);
>
> does nothing if dst.byte == 0
>
> So next question is the good question...
>
>   
>> Why dst.byte is 0 ?
>>
>>     

Because dst.bytes is only set if dst.type == OP_MEM, or ad hoc in the 
instruction itself.

Better to set it unconditionally (and adjust in the instruction if 
necessary).

-- 
Any sufficiently difficult bug is indistinguishable from a feature.