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authorEduardo Habkost <ehabkost@redhat.com>2016-09-20 20:57:00 -0300
committerEduardo Habkost <ehabkost@redhat.com>2016-09-27 16:17:17 -0300
commitdf3e9af8fd02f22d03871975daa23ecbfcd48490 (patch)
treeaa808440e970ac58341e740be309490611e32a68
parent6efef58ed151f75bca29561bde6b8a65db43d4a2 (diff)
downloadfocaccia-qemu-df3e9af8fd02f22d03871975daa23ecbfcd48490.tar.gz
focaccia-qemu-df3e9af8fd02f22d03871975daa23ecbfcd48490.zip
tests: Test CPUID level handling for old machines
We're going to change the way level/xlevel/xlevel2 are handled
when enabling features, but we need to keep the old behavior on
existing machine types. Add test cases for that.

Reviewed-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
-rw-r--r--tests/test-x86-cpuid-compat.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/tests/test-x86-cpuid-compat.c b/tests/test-x86-cpuid-compat.c
index b81cfeb25e..f7003ee39d 100644
--- a/tests/test-x86-cpuid-compat.c
+++ b/tests/test-x86-cpuid-compat.c
@@ -104,5 +104,18 @@ int main(int argc, char **argv)
                    "-cpu 486,xlevel2=0xC0000002,+xstore",
                    "xlevel2", 0xC0000002);
 
+    /* Check compatibility of old machine-types that didn't
+     * auto-increase level/xlevel/xlevel2: */
+
+    add_cpuid_test("x86/cpuid/auto-level/pc-2.7",
+                   "-machine pc-i440fx-2.7 -cpu 486,+arat,+avx512vbmi,+xsaveopt",
+                   "level", 1);
+    add_cpuid_test("x86/cpuid/auto-xlevel/pc-2.7",
+                   "-machine pc-i440fx-2.7 -cpu 486,+3dnow,+sse4a,+invtsc,+npt",
+                   "xlevel", 0);
+    add_cpuid_test("x86/cpuid/auto-xlevel2/pc-2.7",
+                   "-machine pc-i440fx-2.7 -cpu 486,+xstore",
+                   "xlevel2", 0);
+
     return g_test_run();
 }