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| author | Eduardo Habkost <ehabkost@redhat.com> | 2016-09-20 20:57:00 -0300 |
|---|---|---|
| committer | Eduardo Habkost <ehabkost@redhat.com> | 2016-09-27 16:17:17 -0300 |
| commit | df3e9af8fd02f22d03871975daa23ecbfcd48490 (patch) | |
| tree | aa808440e970ac58341e740be309490611e32a68 | |
| parent | 6efef58ed151f75bca29561bde6b8a65db43d4a2 (diff) | |
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.c | 13 |
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(); } |