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authorIgor Mammedov <imammedo@redhat.com>2013-04-23 10:29:41 +0200
committerAndreas Färber <afaerber@suse.de>2013-05-01 13:04:18 +0200
commit997395d3888fcde6ce41535a8208d7aa919d824b (patch)
tree5e6d2bd054bdb7b1f1914916f97dbdd06a7b3374 /include
parentb8b7456d6ab7edb450ae5ec6473d3cd9a80412f4 (diff)
cpu: Introduce get_arch_id() method and override it for X86CPU
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>
Diffstat (limited to 'include')
-rw-r--r--include/qom/cpu.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/qom/cpu.h b/include/qom/cpu.h
index ac93dcec66..1b4de17415 100644
--- a/include/qom/cpu.h
+++ b/include/qom/cpu.h
@@ -45,6 +45,7 @@ typedef struct CPUState CPUState;
* instantiatable CPU type.
* @reset: Callback to reset the #CPUState to its initial state.
* @do_interrupt: Callback for interrupt handling.
+ * @get_arch_id: Callback for getting architecture-dependent CPU ID.
* @vmsd: State description for migration.
*
* Represents a CPU family or model.
@@ -58,6 +59,7 @@ typedef struct CPUClass {
void (*reset)(CPUState *cpu);
void (*do_interrupt)(CPUState *cpu);
+ int64_t (*get_arch_id)(CPUState *cpu);
const struct VMStateDescription *vmsd;
} CPUClass;