Extract the x86 model number from CPUID.01H:EAX.
Signed-off-by: Jim Mattson <jmattson@xxxxxxxxxx>
---
tools/testing/selftests/kvm/include/x86_64/processor.h | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/tools/testing/selftests/kvm/include/x86_64/processor.h b/tools/testing/selftests/kvm/include/x86_64/processor.h
index c5306e29edd4..b723163ca9ba 100644
--- a/tools/testing/selftests/kvm/include/x86_64/processor.h
+++ b/tools/testing/selftests/kvm/include/x86_64/processor.h
@@ -361,6 +361,11 @@ static inline unsigned int x86_family(unsigned int eax)
return x86;
}
+static inline unsigned int x86_model(unsigned int eax)
+{
+ return ((eax >> 12) & 0xf0) | ((eax >> 4) & 0x0f);
+}
+
struct kvm_x86_state;
struct kvm_x86_state *vcpu_save_state(struct kvm_vm *vm, uint32_t vcpuid);
void vcpu_load_state(struct kvm_vm *vm, uint32_t vcpuid,
--
2.34.1.703.g22d0c6ccf7-goog
