qemu.tests: Add flags for add_flag test

Some flags need to be added depends on the host type for the add_flag
test of boot_cpu_model.
Signed-off-by: NYiqiao Pu <ypu@redhat.com>

qemu/tests/boot_cpu_model.py

@@ -26,6 +26,11 @@ def run_boot_cpu_model(test, params, env):
             model_list = params.get("cpu_model_%s" % cpu_vendor,
                                     host_model[-1])
 
+    extra_flags = params.get("cpu_model_flags_%s" % cpu_vendor, "")
+    if extra_flags:
+        cpu_flags = params.get("cpu_model_flags", "") + extra_flags
+        params["cpu_model_flags"] = cpu_flags
+
     if model_list:
         model_list = model_list.split(" ")
         for model in model_list:

qemu/tests/cfg/boot_cpu_model.cfg

@@ -43,6 +43,8 @@
                     cpu_model_GenuineIntel = "Westmere"
                     cpu_model_AuthenticAMD = "Opteron_G2"
                     cpu_model_flags = ",+xsave,+sse4a,+aes,+sep,+sse4.2"
+                    cpu_model_flags_GenuineIntel = ",+smep,+rdrand,+erms"
+                    cpu_model_flags_AuthenticAMD = ",+vmcb_clean,+flushbyasid,+tsc_scale,+decodeassists"
                 - remove_flag:
                     cpu_model_GenuineIntel = "SandyBridge"
                     cpu_model_AuthenticAMD = "Opteron_G3"