[Qemu-devel] Re: [6684] Fix "info registers" under kvm.

[Jan Kiszka <jan.kiszka@web.de>]

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Andrzej Zaborowski wrote:
> Revision: 6684
>           http://svn.sv.gnu.org/viewvc/?view=rev&root=qemu&revision=6684
> Author:   balrog
> Date:     2009-03-04 21:00:07 +0000 (Wed, 04 Mar 2009)
> Log Message:
> -----------
> Fix "info registers" under kvm.
> 
> Modified Paths:
> --------------
>     trunk/target-i386/helper.c
> 
> Modified: trunk/target-i386/helper.c
> ===================================================================
> --- trunk/target-i386/helper.c	2009-03-04 19:25:22 UTC (rev 6683)
> +++ trunk/target-i386/helper.c	2009-03-04 21:00:07 UTC (rev 6684)
> @@ -578,6 +578,9 @@
>      char cc_op_name[32];
>      static const char *seg_name[6] = { "ES", "CS", "SS", "DS", "FS", "GS" };
>  
> +    if (kvm_enabled())
> +        kvm_arch_get_registers(env);
> +
>      eflags = env->eflags;
>  #ifdef TARGET_X86_64
>      if (env->hflags & HF_CS64_MASK) {
> 

On the one hand, this patch also takes care of sync'ing with KVM in case
of cpu_dump_state on fatal exists. On the other hand, it only solves one
part of monitor issue. See [1] for a more complete sync.

I'm just still waiting for a reply from Anthony on how to embed best all
the "if (kvm_enabled()) foo();" patterns [2]. That would also allow us
to merge gdbstub support for upstream kvm.

Jan

[1] http://permalink.gmane.org/gmane.comp.emulators.qemu/36994
[2] http://permalink.gmane.org/gmane.comp.emulators.qemu/37067


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