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Diffstat (limited to 'tests/test-x86-cpuid-compat.c')
| -rw-r--r-- | tests/test-x86-cpuid-compat.c | 171 |
1 files changed, 171 insertions, 0 deletions
diff --git a/tests/test-x86-cpuid-compat.c b/tests/test-x86-cpuid-compat.c new file mode 100644 index 0000000000..83162a44c0 --- /dev/null +++ b/tests/test-x86-cpuid-compat.c @@ -0,0 +1,171 @@ +#include "qemu/osdep.h" +#include "qemu-common.h" +#include "qapi/qmp/qlist.h" +#include "qapi/qmp/qdict.h" +#include "qapi/qmp/qint.h" +#include "libqtest.h" + +static char *get_cpu0_qom_path(void) +{ + QDict *resp; + QList *ret; + QDict *cpu0; + char *path; + + resp = qmp("{'execute': 'query-cpus', 'arguments': {}}"); + g_assert(qdict_haskey(resp, "return")); + ret = qdict_get_qlist(resp, "return"); + + cpu0 = qobject_to_qdict(qlist_peek(ret)); + path = g_strdup(qdict_get_str(cpu0, "qom_path")); + QDECREF(resp); + return path; +} + +static QObject *qom_get(const char *path, const char *prop) +{ + QDict *resp = qmp("{ 'execute': 'qom-get'," + " 'arguments': { 'path': %s," + " 'property': %s } }", + path, prop); + QObject *ret = qdict_get(resp, "return"); + qobject_incref(ret); + QDECREF(resp); + return ret; +} + +typedef struct CpuidTestArgs { + const char *cmdline; + const char *property; + int64_t expected_value; +} CpuidTestArgs; + +static void test_cpuid_prop(const void *data) +{ + const CpuidTestArgs *args = data; + char *path; + QInt *value; + + qtest_start(args->cmdline); + path = get_cpu0_qom_path(); + value = qobject_to_qint(qom_get(path, args->property)); + g_assert_cmpint(qint_get_int(value), ==, args->expected_value); + qtest_end(); + + QDECREF(value); + g_free(path); +} + +static void add_cpuid_test(const char *name, const char *cmdline, + const char *property, int64_t expected_value) +{ + CpuidTestArgs *args = g_new0(CpuidTestArgs, 1); + args->cmdline = cmdline; + args->property = property; + args->expected_value = expected_value; + qtest_add_data_func(name, args, test_cpuid_prop); +} + +int main(int argc, char **argv) +{ + g_test_init(&argc, &argv, NULL); + + /* Original level values for CPU models: */ + add_cpuid_test("x86/cpuid/phenom/level", + "-cpu phenom", "level", 5); + add_cpuid_test("x86/cpuid/Conroe/level", + "-cpu Conroe", "level", 10); + add_cpuid_test("x86/cpuid/SandyBridge/level", + "-cpu SandyBridge", "level", 0xd); + add_cpuid_test("x86/cpuid/486/xlevel", + "-cpu 486", "xlevel", 0); + add_cpuid_test("x86/cpuid/core2duo/xlevel", + "-cpu core2duo", "xlevel", 0x80000008); + add_cpuid_test("x86/cpuid/phenom/xlevel", + "-cpu phenom", "xlevel", 0x8000001A); + add_cpuid_test("x86/cpuid/athlon/xlevel", + "-cpu athlon", "xlevel", 0x80000008); + + /* If level is not large enough, it should increase automatically: */ + /* CPUID[6].EAX: */ + add_cpuid_test("x86/cpuid/auto-level/phenom/arat", + "-cpu 486,+arat", "level", 6); + /* CPUID[EAX=7,ECX=0].EBX: */ + add_cpuid_test("x86/cpuid/auto-level/phenom/fsgsbase", + "-cpu phenom,+fsgsbase", "level", 7); + /* CPUID[EAX=7,ECX=0].ECX: */ + add_cpuid_test("x86/cpuid/auto-level/phenom/avx512vbmi", + "-cpu phenom,+avx512vbmi", "level", 7); + /* CPUID[EAX=0xd,ECX=1].EAX: */ + add_cpuid_test("x86/cpuid/auto-level/phenom/xsaveopt", + "-cpu phenom,+xsaveopt", "level", 0xd); + /* CPUID[8000_0001].EDX: */ + add_cpuid_test("x86/cpuid/auto-xlevel/486/3dnow", + "-cpu 486,+3dnow", "xlevel", 0x80000001); + /* CPUID[8000_0001].ECX: */ + add_cpuid_test("x86/cpuid/auto-xlevel/486/sse4a", + "-cpu 486,+sse4a", "xlevel", 0x80000001); + /* CPUID[8000_0007].EDX: */ + add_cpuid_test("x86/cpuid/auto-xlevel/486/invtsc", + "-cpu 486,+invtsc", "xlevel", 0x80000007); + /* CPUID[8000_000A].EDX: */ + add_cpuid_test("x86/cpuid/auto-xlevel/486/npt", + "-cpu 486,+npt", "xlevel", 0x8000000A); + /* CPUID[C000_0001].EDX: */ + add_cpuid_test("x86/cpuid/auto-xlevel2/phenom/xstore", + "-cpu phenom,+xstore", "xlevel2", 0xC0000001); + /* SVM needs CPUID[0x8000000A] */ + add_cpuid_test("x86/cpuid/auto-xlevel/athlon/svm", + "-cpu athlon,+svm", "xlevel", 0x8000000A); + + + /* If level is already large enough, it shouldn't change: */ + add_cpuid_test("x86/cpuid/auto-level/SandyBridge/multiple", + "-cpu SandyBridge,+arat,+fsgsbase,+avx512vbmi", + "level", 0xd); + /* If level is explicitly set, it shouldn't change: */ + add_cpuid_test("x86/cpuid/auto-level/486/fixed/0xF", + "-cpu 486,level=0xF,+arat,+fsgsbase,+avx512vbmi,+xsaveopt", + "level", 0xF); + add_cpuid_test("x86/cpuid/auto-level/486/fixed/2", + "-cpu 486,level=2,+arat,+fsgsbase,+avx512vbmi,+xsaveopt", + "level", 2); + add_cpuid_test("x86/cpuid/auto-level/486/fixed/0", + "-cpu 486,level=0,+arat,+fsgsbase,+avx512vbmi,+xsaveopt", + "level", 0); + + /* if xlevel is already large enough, it shouldn't change: */ + add_cpuid_test("x86/cpuid/auto-xlevel/phenom/3dnow", + "-cpu phenom,+3dnow,+sse4a,+invtsc,+npt,+svm", + "xlevel", 0x8000001A); + /* If xlevel is explicitly set, it shouldn't change: */ + add_cpuid_test("x86/cpuid/auto-xlevel/486/fixed/80000002", + "-cpu 486,xlevel=0x80000002,+3dnow,+sse4a,+invtsc,+npt,+svm", + "xlevel", 0x80000002); + add_cpuid_test("x86/cpuid/auto-xlevel/486/fixed/8000001A", + "-cpu 486,xlevel=0x8000001A,+3dnow,+sse4a,+invtsc,+npt,+svm", + "xlevel", 0x8000001A); + add_cpuid_test("x86/cpuid/auto-xlevel/phenom/fixed/0", + "-cpu 486,xlevel=0,+3dnow,+sse4a,+invtsc,+npt,+svm", + "xlevel", 0); + + /* if xlevel2 is already large enough, it shouldn't change: */ + add_cpuid_test("x86/cpuid/auto-xlevel2/486/fixed", + "-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,+svm", + "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(); +} |