qemu:cpuid: hv_spinlocks tests

Signed-off-by: NIgor Mammedov <imammedo@redhat.com>

qemu/tests/cfg/qemu_cpu.cfg

@@ -164,6 +164,25 @@
                             bits = "5"
                             leaf = "0x40000004"
                             flags = "hv_relaxed"
+                        - hv_spinlocks:
+                            test_type = "cpuid_reg_test"
+                            reg = "ebx"
+                            leaf = "0x40000004"
+                            variants:
+                                - min:
+                                    value = "4095"
+                                    flags = "hv_spinlocks=0xfff"
+                                - nan:
+                                    xfail = "yes"
+                                    value = "4095"
+                                    flags = "hv_spinlocks=0xg"
+                                - FFFFFFFF_xfail:
+                                    xfail = "yes"
+                                    value = "4294967295"
+                                    flags = "hv_spinlocks=0xffffffff"
+                                - def:
+                                    value = "4294967295"
+                                    flags = "hv_relaxed"
                 - custom:
                     # the checks below will be run without setting the CPU model
                     # explicitly. they can be repeated for each known CPU model

qemu/tests/cpuid.py

@@ -516,6 +516,34 @@ def run_cpuid(test, params, env):
             if (has_error is False) and (xfail is True):
                 raise error.TestFail("Test was expected to fail, but it didn't")
 
+    class cpuid_reg_test(MiniSubtest):
+        """
+        test register value in specified leaf:index:reg
+        """
+        def test(self):
+            has_error = False
+            flags = params.get("flags","")
+            leaf = params.get("leaf")
+            idx = params.get("index","0x00")
+            reg = params.get("reg","eax")
+            if params.get("value") is None:
+                raise error.TestNAError("'value' must be specified in"
+                                        "config for this test")
+            val = int(params.get("value"))
+            try:
+                out = get_guest_cpuid(self, cpu_model, flags)
+                r = cpuid_regs_to_dic('%s %s' % (leaf, idx), out)[reg]
+                logging.debug("CPUID(%s.%s).%s=0x%08x" % (leaf, idx, reg, r))
+                if r != val:
+                    raise error.TestFail("CPUID(%s.%s).%s is not 0x%08x" %
+                                         (leaf, idx, reg, val))
+            except:
+                has_error = True
+                if xfail is False:
+                    raise
+            if (has_error is False) and (xfail is True):
+                raise error.TestFail("Test was expected to fail, but it didn't")
+
 
     # subtests runner
     test_type = params.get("test_type")