[Qemu-devel] Re: [patch 1/3] target-i386: print EFER in cpu_dump_state

[Marcelo Tosatti]

On Thu, Mar 11, 2010 at 10:35:21AM +0200, Avi Kivity wrote:
> On 03/09/2010 03:53 AM, Marcelo Tosatti wrote:
> >Signed-off-by: Marcelo Tosatti<address@hidden>
> >
> >Index: qemu-kvm-uq/target-i386/helper.c
> >===================================================================
> >--- qemu-kvm-uq.orig/target-i386/helper.c
> >+++ qemu-kvm-uq/target-i386/helper.c
> >@@ -1176,6 +1176,7 @@ void cpu_dump_state(CPUState *env, FILE
> >      cpu_x86_dump_seg_cache(env, f, cpu_fprintf, "TR",&env->tr);
> >
> >  #ifdef TARGET_X86_64
> >+    cpu_fprintf(f, "EFER=    %016" PRIx64 "\n", env->efer);
> >      if (env->hflags&  HF_LMA_MASK) {
> >          cpu_fprintf(f, "GDT=     %016" PRIx64 " %08x\n",
> >                      env->gdt.base, env->gdt.limit);
> >
> 
> Better to do this for i386 too, no?

"On systems that support IA-32e mode, the extended feature enable
register (IA32_EFER) is available. This model-specific register controls
activation of IA-32e mode and other IA-32e mode operations."

Can it be useful for i386 too?