Commit df3e9af8 authored by Eduardo Habkost's avatar Eduardo Habkost
Browse files

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: default avatarRichard Henderson <rth@twiddle.net>
Signed-off-by: default avatarEduardo Habkost <ehabkost@redhat.com>
parent 6efef58e

tests/test-x86-cpuid-compat.c

+13 −0
Original line number Diff line number Diff line
@@ -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();

}