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cpu: Introduce get_arch_id() method and override it for X86CPU

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get_arch_id() adds possibility for generic code to get a guest-visible
CPU ID without accessing CPUArchState.
If derived classes don't override it, it will return cpu_index.

Override it on target-i386 in X86CPU to return the APIC ID.

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>
Reviewed-by: liguang <lig.fnst@cn.fujitsu.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
This commit is contained in:
Igor Mammedov 2013-04-23 10:29:41 +02:00 • committed by Andreas Färber
parent b8b7456d6a
commit 997395d388
3 changed files with 18 additions and 0 deletions
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10
target-i386/cpu.c
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@ -2272,6 +2272,14 @@ static void x86_cpu_initfn(Object *obj)
}
}
static int64_t x86_cpu_get_arch_id(CPUState *cs)
{
X86CPU *cpu = X86_CPU(cs);
CPUX86State *env = &cpu->env;
return env->cpuid_apic_id;
}
static void x86_cpu_common_class_init(ObjectClass *oc, void *data)
{
X86CPUClass *xcc = X86_CPU_CLASS(oc);
@ -2286,6 +2294,8 @@ static void x86_cpu_common_class_init(ObjectClass *oc, void *data)
cc->do_interrupt = x86_cpu_do_interrupt;
cpu_class_set_vmsd(cc, &vmstate_x86_cpu);
cc->get_arch_id = x86_cpu_get_arch_id;
}
static const TypeInfo x86_cpu_type_info = {