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https://gitlab.com/qemu-project/qemu
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83a00f6095
Print a warning when mixing [+-]foo and foo=(on|off) in the -cpu argument in a way that will break in the future. Reviewed-by: Igor Mammedov <imammedo@redhat.com> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
233 lines
8.3 KiB
C
233 lines
8.3 KiB
C
#include "qemu/osdep.h"
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#include "qemu-common.h"
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#include "qapi/qmp/qlist.h"
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#include "qapi/qmp/qdict.h"
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#include "qapi/qmp/qint.h"
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#include "qapi/qmp/qbool.h"
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#include "libqtest.h"
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static char *get_cpu0_qom_path(void)
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{
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QDict *resp;
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QList *ret;
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QDict *cpu0;
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char *path;
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resp = qmp("{'execute': 'query-cpus', 'arguments': {}}");
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g_assert(qdict_haskey(resp, "return"));
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ret = qdict_get_qlist(resp, "return");
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cpu0 = qobject_to_qdict(qlist_peek(ret));
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path = g_strdup(qdict_get_str(cpu0, "qom_path"));
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QDECREF(resp);
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return path;
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}
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static QObject *qom_get(const char *path, const char *prop)
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{
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QDict *resp = qmp("{ 'execute': 'qom-get',"
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" 'arguments': { 'path': %s,"
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" 'property': %s } }",
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path, prop);
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QObject *ret = qdict_get(resp, "return");
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qobject_incref(ret);
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QDECREF(resp);
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return ret;
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}
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#ifdef CONFIG_HAS_GLIB_SUBPROCESS_TESTS
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static bool qom_get_bool(const char *path, const char *prop)
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{
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QBool *value = qobject_to_qbool(qom_get(path, prop));
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bool b = qbool_get_bool(value);
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QDECREF(value);
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return b;
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}
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#endif
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typedef struct CpuidTestArgs {
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const char *cmdline;
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const char *property;
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int64_t expected_value;
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} CpuidTestArgs;
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static void test_cpuid_prop(const void *data)
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{
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const CpuidTestArgs *args = data;
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char *path;
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QInt *value;
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qtest_start(args->cmdline);
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path = get_cpu0_qom_path();
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value = qobject_to_qint(qom_get(path, args->property));
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g_assert_cmpint(qint_get_int(value), ==, args->expected_value);
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qtest_end();
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QDECREF(value);
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g_free(path);
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}
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static void add_cpuid_test(const char *name, const char *cmdline,
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const char *property, int64_t expected_value)
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{
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CpuidTestArgs *args = g_new0(CpuidTestArgs, 1);
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args->cmdline = cmdline;
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args->property = property;
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args->expected_value = expected_value;
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qtest_add_data_func(name, args, test_cpuid_prop);
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}
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#ifdef CONFIG_HAS_GLIB_SUBPROCESS_TESTS
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static void test_plus_minus_subprocess(void)
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{
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char *path;
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/* Rules:
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* 1)"-foo" overrides "+foo"
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* 2) "[+-]foo" overrides "foo=..."
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* 3) Old feature names with underscores (e.g. "sse4_2")
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* should keep working
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*
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* Note: rules 1 and 2 are planned to be removed soon, and
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* should generate a warning.
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*/
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qtest_start("-cpu pentium,-fpu,+fpu,-mce,mce=on,+cx8,cx8=off,+sse4_1,sse4_2=on");
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path = get_cpu0_qom_path();
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g_assert_false(qom_get_bool(path, "fpu"));
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g_assert_false(qom_get_bool(path, "mce"));
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g_assert_true(qom_get_bool(path, "cx8"));
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/* Test both the original and the alias feature names: */
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g_assert_true(qom_get_bool(path, "sse4-1"));
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g_assert_true(qom_get_bool(path, "sse4.1"));
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g_assert_true(qom_get_bool(path, "sse4-2"));
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g_assert_true(qom_get_bool(path, "sse4.2"));
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qtest_end();
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g_free(path);
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}
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static void test_plus_minus(void)
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{
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g_test_trap_subprocess("/x86/cpuid/parsing-plus-minus/subprocess", 0, 0);
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g_test_trap_assert_passed();
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g_test_trap_assert_stderr("*Ambiguous CPU model string. "
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"Don't mix both \"-mce\" and \"mce=on\"*");
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g_test_trap_assert_stderr("*Ambiguous CPU model string. "
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"Don't mix both \"+cx8\" and \"cx8=off\"*");
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g_test_trap_assert_stdout("");
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}
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#endif
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int main(int argc, char **argv)
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{
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g_test_init(&argc, &argv, NULL);
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#ifdef CONFIG_HAS_GLIB_SUBPROCESS_TESTS
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g_test_add_func("/x86/cpuid/parsing-plus-minus/subprocess",
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test_plus_minus_subprocess);
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g_test_add_func("/x86/cpuid/parsing-plus-minus", test_plus_minus);
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#endif
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/* Original level values for CPU models: */
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add_cpuid_test("x86/cpuid/phenom/level",
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"-cpu phenom", "level", 5);
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add_cpuid_test("x86/cpuid/Conroe/level",
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"-cpu Conroe", "level", 10);
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add_cpuid_test("x86/cpuid/SandyBridge/level",
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"-cpu SandyBridge", "level", 0xd);
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add_cpuid_test("x86/cpuid/486/xlevel",
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"-cpu 486", "xlevel", 0);
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add_cpuid_test("x86/cpuid/core2duo/xlevel",
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"-cpu core2duo", "xlevel", 0x80000008);
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add_cpuid_test("x86/cpuid/phenom/xlevel",
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"-cpu phenom", "xlevel", 0x8000001A);
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add_cpuid_test("x86/cpuid/athlon/xlevel",
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"-cpu athlon", "xlevel", 0x80000008);
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/* If level is not large enough, it should increase automatically: */
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/* CPUID[6].EAX: */
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add_cpuid_test("x86/cpuid/auto-level/phenom/arat",
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"-cpu 486,+arat", "level", 6);
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/* CPUID[EAX=7,ECX=0].EBX: */
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add_cpuid_test("x86/cpuid/auto-level/phenom/fsgsbase",
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"-cpu phenom,+fsgsbase", "level", 7);
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/* CPUID[EAX=7,ECX=0].ECX: */
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add_cpuid_test("x86/cpuid/auto-level/phenom/avx512vbmi",
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"-cpu phenom,+avx512vbmi", "level", 7);
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/* CPUID[EAX=0xd,ECX=1].EAX: */
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add_cpuid_test("x86/cpuid/auto-level/phenom/xsaveopt",
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"-cpu phenom,+xsaveopt", "level", 0xd);
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/* CPUID[8000_0001].EDX: */
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add_cpuid_test("x86/cpuid/auto-xlevel/486/3dnow",
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"-cpu 486,+3dnow", "xlevel", 0x80000001);
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/* CPUID[8000_0001].ECX: */
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add_cpuid_test("x86/cpuid/auto-xlevel/486/sse4a",
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"-cpu 486,+sse4a", "xlevel", 0x80000001);
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/* CPUID[8000_0007].EDX: */
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add_cpuid_test("x86/cpuid/auto-xlevel/486/invtsc",
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"-cpu 486,+invtsc", "xlevel", 0x80000007);
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/* CPUID[8000_000A].EDX: */
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add_cpuid_test("x86/cpuid/auto-xlevel/486/npt",
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"-cpu 486,+npt", "xlevel", 0x8000000A);
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/* CPUID[C000_0001].EDX: */
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add_cpuid_test("x86/cpuid/auto-xlevel2/phenom/xstore",
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"-cpu phenom,+xstore", "xlevel2", 0xC0000001);
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/* SVM needs CPUID[0x8000000A] */
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add_cpuid_test("x86/cpuid/auto-xlevel/athlon/svm",
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"-cpu athlon,+svm", "xlevel", 0x8000000A);
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/* If level is already large enough, it shouldn't change: */
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add_cpuid_test("x86/cpuid/auto-level/SandyBridge/multiple",
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"-cpu SandyBridge,+arat,+fsgsbase,+avx512vbmi",
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"level", 0xd);
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/* If level is explicitly set, it shouldn't change: */
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add_cpuid_test("x86/cpuid/auto-level/486/fixed/0xF",
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"-cpu 486,level=0xF,+arat,+fsgsbase,+avx512vbmi,+xsaveopt",
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"level", 0xF);
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add_cpuid_test("x86/cpuid/auto-level/486/fixed/2",
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"-cpu 486,level=2,+arat,+fsgsbase,+avx512vbmi,+xsaveopt",
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"level", 2);
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add_cpuid_test("x86/cpuid/auto-level/486/fixed/0",
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"-cpu 486,level=0,+arat,+fsgsbase,+avx512vbmi,+xsaveopt",
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"level", 0);
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/* if xlevel is already large enough, it shouldn't change: */
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add_cpuid_test("x86/cpuid/auto-xlevel/phenom/3dnow",
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"-cpu phenom,+3dnow,+sse4a,+invtsc,+npt,+svm",
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"xlevel", 0x8000001A);
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/* If xlevel is explicitly set, it shouldn't change: */
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add_cpuid_test("x86/cpuid/auto-xlevel/486/fixed/80000002",
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"-cpu 486,xlevel=0x80000002,+3dnow,+sse4a,+invtsc,+npt,+svm",
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"xlevel", 0x80000002);
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add_cpuid_test("x86/cpuid/auto-xlevel/486/fixed/8000001A",
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"-cpu 486,xlevel=0x8000001A,+3dnow,+sse4a,+invtsc,+npt,+svm",
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"xlevel", 0x8000001A);
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add_cpuid_test("x86/cpuid/auto-xlevel/phenom/fixed/0",
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"-cpu 486,xlevel=0,+3dnow,+sse4a,+invtsc,+npt,+svm",
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"xlevel", 0);
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/* if xlevel2 is already large enough, it shouldn't change: */
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add_cpuid_test("x86/cpuid/auto-xlevel2/486/fixed",
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"-cpu 486,xlevel2=0xC0000002,+xstore",
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"xlevel2", 0xC0000002);
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/* Check compatibility of old machine-types that didn't
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* auto-increase level/xlevel/xlevel2: */
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add_cpuid_test("x86/cpuid/auto-level/pc-2.7",
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"-machine pc-i440fx-2.7 -cpu 486,+arat,+avx512vbmi,+xsaveopt",
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"level", 1);
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add_cpuid_test("x86/cpuid/auto-xlevel/pc-2.7",
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"-machine pc-i440fx-2.7 -cpu 486,+3dnow,+sse4a,+invtsc,+npt,+svm",
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"xlevel", 0);
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add_cpuid_test("x86/cpuid/auto-xlevel2/pc-2.7",
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"-machine pc-i440fx-2.7 -cpu 486,+xstore",
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"xlevel2", 0);
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return g_test_run();
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}
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