Re: [Qemu-devel] Re: Debugging guest OS

[Mariano Wahlmann]

Ben Pfaff wrote:

> Mariano Wahlmann <address@hidden> writes:
>
>  
>
> > I want to know, if it's posible to debug an guest OS like bochs, i
> > mean disassemble current instruction, step by step running,
> > possibility of change registers values, etc. I try to use GDB, but i
> > think this is for debbuging qemu itself.
> >    
>
> You can use gdb on the guest if you invoke qemu with -s.
>  
that's right, thanks
but in order to disassemble i have to do "display /i $cs * 16 + $eip", 
this is for real mode,  what is the syntaxis for protected mode?
is there any varible that contains a pointer to current virtual address 
of the next instruction.


--
________________________________________________________
Mariano Agustín Wahlmann
Administrador de Red
Facultad de Agronomía - Buenos Aires - Argentina
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email: mailto:address@hidden
www: http://www.agro.uba.ar