[mirror_qemu.git] / tests / test-x86-cpuid-compat.c

#include "qemu/osdep.h"
#include "qemu-common.h"
#include "qapi/qmp/qdict.h"
#include "qapi/qmp/qlist.h"
#include "qapi/qmp/qnum.h"
#include "qapi/qmp/qbool.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"));
    qobject_unref(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_ref(ret);
    qobject_unref(resp);
    return ret;
}

static bool qom_get_bool(const char *path, const char *prop)
{
    QBool *value = qobject_to(QBool, qom_get(path, prop));
    bool b = qbool_get_bool(value);

    qobject_unref(value);
    return b;
}

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;
    QNum *value;
    int64_t val;

    qtest_start(args->cmdline);
    path = get_cpu0_qom_path();
    value = qobject_to(QNum, qom_get(path, args->property));
    g_assert(qnum_get_try_int(value, &val));
    g_assert_cmpint(val, ==, args->expected_value);
    qtest_end();

    qobject_unref(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);
}


/* Parameters to a add_feature_test() test case */
typedef struct FeatureTestArgs {
    /* cmdline to start QEMU */
    const char *cmdline;
    /*
     * cpuid-input-eax and cpuid-input-ecx values to look for,
     * in "feature-words" and "filtered-features" properties.
     */
    uint32_t in_eax, in_ecx;
    /* The register name to look for, in the X86CPUFeatureWordInfo array */
    const char *reg;
    /* The bit to check in X86CPUFeatureWordInfo.features */
    int bitnr;
    /* The expected value for the bit in (X86CPUFeatureWordInfo.features) */
    bool expected_value;
} FeatureTestArgs;

/* Get the value for a feature word in a X86CPUFeatureWordInfo list */
static uint32_t get_feature_word(QList *features, uint32_t eax, uint32_t ecx,
                                 const char *reg)
{
    const QListEntry *e;

    for (e = qlist_first(features); e; e = qlist_next(e)) {
        QDict *w = qobject_to(QDict, qlist_entry_obj(e));
        const char *rreg = qdict_get_str(w, "cpuid-register");
        uint32_t reax = qdict_get_int(w, "cpuid-input-eax");
        bool has_ecx = qdict_haskey(w, "cpuid-input-ecx");
        uint32_t recx = 0;
        int64_t val;

        if (has_ecx) {
            recx = qdict_get_int(w, "cpuid-input-ecx");
        }
        if (eax == reax && (!has_ecx || ecx == recx) && !strcmp(rreg, reg)) {
            g_assert(qnum_get_try_int(qobject_to(QNum,
                                                 qdict_get(w, "features")),
                                      &val));
            return val;
        }
    }
    return 0;
}

static void test_feature_flag(const void *data)
{
    const FeatureTestArgs *args = data;
    char *path;
    QList *present, *filtered;
    uint32_t value;

    qtest_start(args->cmdline);
    path = get_cpu0_qom_path();
    present = qobject_to(QList, qom_get(path, "feature-words"));
    filtered = qobject_to(QList, qom_get(path, "filtered-features"));
    value = get_feature_word(present, args->in_eax, args->in_ecx, args->reg);
    value |= get_feature_word(filtered, args->in_eax, args->in_ecx, args->reg);
    qtest_end();

    g_assert(!!(value & (1U << args->bitnr)) == args->expected_value);

    qobject_unref(present);
    qobject_unref(filtered);
    g_free(path);
}

/*
 * Add test case to ensure that a given feature flag is set in
 * either "feature-words" or "filtered-features", when running QEMU
 * using cmdline
 */
static FeatureTestArgs *add_feature_test(const char *name, const char *cmdline,
                                         uint32_t eax, uint32_t ecx,
                                         const char *reg, int bitnr,
                                         bool expected_value)
{
    FeatureTestArgs *args = g_new0(FeatureTestArgs, 1);
    args->cmdline = cmdline;
    args->in_eax = eax;
    args->in_ecx = ecx;
    args->reg = reg;
    args->bitnr = bitnr;
    args->expected_value = expected_value;
    qtest_add_data_func(name, args, test_feature_flag);
    return args;
}

static void test_plus_minus_subprocess(void)
{
    char *path;

    /* Rules:
     * 1)"-foo" overrides "+foo"
     * 2) "[+-]foo" overrides "foo=..."
     * 3) Old feature names with underscores (e.g. "sse4_2")
     *    should keep working
     *
     * Note: rules 1 and 2 are planned to be removed soon, and
     * should generate a warning.
     */
    qtest_start("-cpu pentium,-fpu,+fpu,-mce,mce=on,+cx8,cx8=off,+sse4_1,sse4_2=on");
    path = get_cpu0_qom_path();

    g_assert_false(qom_get_bool(path, "fpu"));
    g_assert_false(qom_get_bool(path, "mce"));
    g_assert_true(qom_get_bool(path, "cx8"));

    /* Test both the original and the alias feature names: */
    g_assert_true(qom_get_bool(path, "sse4-1"));
    g_assert_true(qom_get_bool(path, "sse4.1"));

    g_assert_true(qom_get_bool(path, "sse4-2"));
    g_assert_true(qom_get_bool(path, "sse4.2"));

    qtest_end();
    g_free(path);
}

static void test_plus_minus(void)
{
    g_test_trap_subprocess("/x86/cpuid/parsing-plus-minus/subprocess", 0, 0);
    g_test_trap_assert_passed();
    g_test_trap_assert_stderr("*Ambiguous CPU model string. "
                              "Don't mix both \"-mce\" and \"mce=on\"*");
    g_test_trap_assert_stderr("*Ambiguous CPU model string. "
                              "Don't mix both \"+cx8\" and \"cx8=off\"*");
    g_test_trap_assert_stdout("");
}

int main(int argc, char **argv)
{
    g_test_init(&argc, &argv, NULL);

    g_test_add_func("/x86/cpuid/parsing-plus-minus/subprocess",
                    test_plus_minus_subprocess);
    g_test_add_func("/x86/cpuid/parsing-plus-minus", test_plus_minus);

    /* 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);
    /*
     * QEMU 1.4.0 had auto-level enabled for CPUID[7], already,
     * and the compat code that sets default level shouldn't
     * disable the auto-level=7 code:
     */
    add_cpuid_test("x86/cpuid/auto-level7/pc-i440fx-1.4/off",
                   "-machine pc-i440fx-1.4 -cpu Nehalem",
                   "level", 2);
    add_cpuid_test("x86/cpuid/auto-level7/pc-i440fx-1.5/on",
                   "-machine pc-i440fx-1.4 -cpu Nehalem,+smap",
                   "level", 7);
    add_cpuid_test("x86/cpuid/auto-level7/pc-i440fx-2.3/off",
                   "-machine pc-i440fx-2.3 -cpu Penryn",
                   "level", 4);
    add_cpuid_test("x86/cpuid/auto-level7/pc-i440fx-2.3/on",
                   "-machine pc-i440fx-2.3 -cpu Penryn,+erms",
                   "level", 7);
    add_cpuid_test("x86/cpuid/auto-level7/pc-i440fx-2.9/off",
                   "-machine pc-i440fx-2.9 -cpu Conroe",
                   "level", 10);
    add_cpuid_test("x86/cpuid/auto-level7/pc-i440fx-2.9/on",
                   "-machine pc-i440fx-2.9 -cpu Conroe,+erms",
                   "level", 10);

    /*
     * xlevel doesn't have any feature that triggers auto-level
     * code on old machine-types.  Just check that the compat code
     * is working correctly:
     */
    add_cpuid_test("x86/cpuid/xlevel-compat/pc-i440fx-2.3",
                   "-machine pc-i440fx-2.3 -cpu SandyBridge",
                   "xlevel", 0x8000000a);
    add_cpuid_test("x86/cpuid/xlevel-compat/pc-i440fx-2.4/npt-off",
                   "-machine pc-i440fx-2.4 -cpu SandyBridge,",
                   "xlevel", 0x80000008);
    add_cpuid_test("x86/cpuid/xlevel-compat/pc-i440fx-2.4/npt-on",
                   "-machine pc-i440fx-2.4 -cpu SandyBridge,+npt",
                   "xlevel", 0x80000008);

    /* Test feature parsing */
    add_feature_test("x86/cpuid/features/plus",
                     "-cpu 486,+arat",
                     6, 0, "EAX", 2, true);
    add_feature_test("x86/cpuid/features/minus",
                     "-cpu pentium,-mmx",
                     1, 0, "EDX", 23, false);
    add_feature_test("x86/cpuid/features/on",
                     "-cpu 486,arat=on",
                     6, 0, "EAX", 2, true);
    add_feature_test("x86/cpuid/features/off",
                     "-cpu pentium,mmx=off",
                     1, 0, "EDX", 23, false);
    add_feature_test("x86/cpuid/features/max-plus-invtsc",
                     "-cpu max,+invtsc",
                     0x80000007, 0, "EDX", 8, true);
    add_feature_test("x86/cpuid/features/max-invtsc-on",
                     "-cpu max,invtsc=on",
                     0x80000007, 0, "EDX", 8, true);
    add_feature_test("x86/cpuid/features/max-minus-mmx",
                     "-cpu max,-mmx",
                     1, 0, "EDX", 23, false);
    add_feature_test("x86/cpuid/features/max-invtsc-on,mmx=off",
                     "-cpu max,mmx=off",
                     1, 0, "EDX", 23, false);

    return g_test_run();
}
Commit	Line	Data
6efef58e EH	1	#include "qemu/osdep.h"
6efef58e EH	2	#include "qemu-common.h"
6efef58e	3	#include "qapi/qmp/qdict.h"
47e6b297	4	#include "qapi/qmp/qlist.h"
01b2ffce	5	#include "qapi/qmp/qnum.h"
a2f9976e	6	#include "qapi/qmp/qbool.h"
6efef58e EH	7	#include "libqtest.h"
	8
	9	static char *get_cpu0_qom_path(void)
	10	{
	11	QDict *resp;
	12	QList *ret;
	13	QDict *cpu0;
	14	char *path;
	15
	16	resp = qmp("{'execute': 'query-cpus', 'arguments': {}}");
	17	g_assert(qdict_haskey(resp, "return"));
	18	ret = qdict_get_qlist(resp, "return");
	19
7dc847eb	20	cpu0 = qobject_to(QDict, qlist_peek(ret));
6efef58e	21	path = g_strdup(qdict_get_str(cpu0, "qom_path"));
cb3e7f08	22	qobject_unref(resp);
6efef58e EH	23	return path;
	24	}
	25
	26	static QObject qom_get(const char path, const char *prop)
	27	{
	28	QDict *resp = qmp("{ 'execute': 'qom-get',"
	29	" 'arguments': { 'path': %s,"
	30	" 'property': %s } }",
	31	path, prop);
	32	QObject *ret = qdict_get(resp, "return");
cb3e7f08 MAL	33	qobject_ref(ret);
cb3e7f08 MAL	34	qobject_unref(resp);
6efef58e EH	35	return ret;
	36	}
	37
a2f9976e EH	38	static bool qom_get_bool(const char path, const char prop)
a2f9976e EH	39	{
7dc847eb	40	QBool *value = qobject_to(QBool, qom_get(path, prop));
a2f9976e EH	41	bool b = qbool_get_bool(value);
a2f9976e EH	42
cb3e7f08	43	qobject_unref(value);
a2f9976e EH	44	return b;
	45	}
	46
6efef58e EH	47	typedef struct CpuidTestArgs {
	48	const char *cmdline;
	49	const char *property;
	50	int64_t expected_value;
	51	} CpuidTestArgs;
	52
	53	static void test_cpuid_prop(const void *data)
	54	{
	55	const CpuidTestArgs *args = data;
	56	char *path;
01b2ffce MAL	57	QNum *value;
01b2ffce MAL	58	int64_t val;
6efef58e EH	59
	60	qtest_start(args->cmdline);
	61	path = get_cpu0_qom_path();
7dc847eb	62	value = qobject_to(QNum, qom_get(path, args->property));
01b2ffce MAL	63	g_assert(qnum_get_try_int(value, &val));
01b2ffce MAL	64	g_assert_cmpint(val, ==, args->expected_value);
6efef58e EH	65	qtest_end();
6efef58e EH	66
cb3e7f08	67	qobject_unref(value);
6efef58e EH	68	g_free(path);
	69	}
	70
	71	static void add_cpuid_test(const char name, const char cmdline,
	72	const char *property, int64_t expected_value)
	73	{
	74	CpuidTestArgs *args = g_new0(CpuidTestArgs, 1);
	75	args->cmdline = cmdline;
	76	args->property = property;
	77	args->expected_value = expected_value;
	78	qtest_add_data_func(name, args, test_cpuid_prop);
	79	}
	80
17e8f541 EH	81
	82	/* Parameters to a add_feature_test() test case */
	83	typedef struct FeatureTestArgs {
	84	/* cmdline to start QEMU */
	85	const char *cmdline;
	86	/*
	87	* cpuid-input-eax and cpuid-input-ecx values to look for,
	88	* in "feature-words" and "filtered-features" properties.
	89	*/
	90	uint32_t in_eax, in_ecx;
	91	/* The register name to look for, in the X86CPUFeatureWordInfo array */
	92	const char *reg;
	93	/* The bit to check in X86CPUFeatureWordInfo.features */
	94	int bitnr;
	95	/* The expected value for the bit in (X86CPUFeatureWordInfo.features) */
	96	bool expected_value;
	97	} FeatureTestArgs;
	98
	99	/* Get the value for a feature word in a X86CPUFeatureWordInfo list */
	100	static uint32_t get_feature_word(QList *features, uint32_t eax, uint32_t ecx,
	101	const char *reg)
	102	{
	103	const QListEntry *e;
	104
	105	for (e = qlist_first(features); e; e = qlist_next(e)) {
7dc847eb	106	QDict *w = qobject_to(QDict, qlist_entry_obj(e));
17e8f541 EH	107	const char *rreg = qdict_get_str(w, "cpuid-register");
	108	uint32_t reax = qdict_get_int(w, "cpuid-input-eax");
	109	bool has_ecx = qdict_haskey(w, "cpuid-input-ecx");
	110	uint32_t recx = 0;
01b2ffce	111	int64_t val;
17e8f541 EH	112
	113	if (has_ecx) {
	114	recx = qdict_get_int(w, "cpuid-input-ecx");
	115	}
	116	if (eax == reax && (!has_ecx \|\| ecx == recx) && !strcmp(rreg, reg)) {
7dc847eb HR	117	g_assert(qnum_get_try_int(qobject_to(QNum,
	118	qdict_get(w, "features")),
	119	&val));
01b2ffce	120	return val;
17e8f541 EH	121	}
	122	}
	123	return 0;
	124	}
	125
	126	static void test_feature_flag(const void *data)
	127	{
	128	const FeatureTestArgs *args = data;
	129	char *path;
	130	QList present, filtered;
	131	uint32_t value;
	132
	133	qtest_start(args->cmdline);
	134	path = get_cpu0_qom_path();
7dc847eb HR	135	present = qobject_to(QList, qom_get(path, "feature-words"));
7dc847eb HR	136	filtered = qobject_to(QList, qom_get(path, "filtered-features"));
17e8f541 EH	137	value = get_feature_word(present, args->in_eax, args->in_ecx, args->reg);
	138	value \|= get_feature_word(filtered, args->in_eax, args->in_ecx, args->reg);
	139	qtest_end();
	140
	141	g_assert(!!(value & (1U << args->bitnr)) == args->expected_value);
	142
cb3e7f08 MAL	143	qobject_unref(present);
cb3e7f08 MAL	144	qobject_unref(filtered);
17e8f541 EH	145	g_free(path);
	146	}
	147
	148	/*
	149	* Add test case to ensure that a given feature flag is set in
	150	* either "feature-words" or "filtered-features", when running QEMU
	151	* using cmdline
	152	*/
	153	static FeatureTestArgs add_feature_test(const char name, const char *cmdline,
	154	uint32_t eax, uint32_t ecx,
	155	const char *reg, int bitnr,
	156	bool expected_value)
	157	{
	158	FeatureTestArgs *args = g_new0(FeatureTestArgs, 1);
	159	args->cmdline = cmdline;
	160	args->in_eax = eax;
	161	args->in_ecx = ecx;
	162	args->reg = reg;
	163	args->bitnr = bitnr;
	164	args->expected_value = expected_value;
	165	qtest_add_data_func(name, args, test_feature_flag);
	166	return args;
	167	}
	168
83a00f60	169	static void test_plus_minus_subprocess(void)
a2f9976e EH	170	{
	171	char *path;
	172
	173	/* Rules:
	174	* 1)"-foo" overrides "+foo"
	175	* 2) "[+-]foo" overrides "foo=..."
	176	* 3) Old feature names with underscores (e.g. "sse4_2")
	177	* should keep working
	178	*
83a00f60 EH	179	* Note: rules 1 and 2 are planned to be removed soon, and
83a00f60 EH	180	* should generate a warning.
a2f9976e EH	181	*/
	182	qtest_start("-cpu pentium,-fpu,+fpu,-mce,mce=on,+cx8,cx8=off,+sse4_1,sse4_2=on");
	183	path = get_cpu0_qom_path();
	184
	185	g_assert_false(qom_get_bool(path, "fpu"));
	186	g_assert_false(qom_get_bool(path, "mce"));
	187	g_assert_true(qom_get_bool(path, "cx8"));
	188
	189	/* Test both the original and the alias feature names: */
	190	g_assert_true(qom_get_bool(path, "sse4-1"));
	191	g_assert_true(qom_get_bool(path, "sse4.1"));
	192
	193	g_assert_true(qom_get_bool(path, "sse4-2"));
	194	g_assert_true(qom_get_bool(path, "sse4.2"));
	195
	196	qtest_end();
	197	g_free(path);
	198	}
	199
83a00f60 EH	200	static void test_plus_minus(void)
	201	{
	202	g_test_trap_subprocess("/x86/cpuid/parsing-plus-minus/subprocess", 0, 0);
	203	g_test_trap_assert_passed();
	204	g_test_trap_assert_stderr("*Ambiguous CPU model string. "
	205	"Don't mix both \"-mce\" and \"mce=on\"*");
	206	g_test_trap_assert_stderr("*Ambiguous CPU model string. "
	207	"Don't mix both \"+cx8\" and \"cx8=off\"*");
	208	g_test_trap_assert_stdout("");
	209	}
83a00f60	210
6efef58e EH	211	int main(int argc, char **argv)
	212	{
	213	g_test_init(&argc, &argv, NULL);
	214
83a00f60 EH	215	g_test_add_func("/x86/cpuid/parsing-plus-minus/subprocess",
	216	test_plus_minus_subprocess);
	217	g_test_add_func("/x86/cpuid/parsing-plus-minus", test_plus_minus);
a2f9976e	218
6efef58e EH	219	/* Original level values for CPU models: */
	220	add_cpuid_test("x86/cpuid/phenom/level",
	221	"-cpu phenom", "level", 5);
	222	add_cpuid_test("x86/cpuid/Conroe/level",
	223	"-cpu Conroe", "level", 10);
	224	add_cpuid_test("x86/cpuid/SandyBridge/level",
	225	"-cpu SandyBridge", "level", 0xd);
	226	add_cpuid_test("x86/cpuid/486/xlevel",
	227	"-cpu 486", "xlevel", 0);
	228	add_cpuid_test("x86/cpuid/core2duo/xlevel",
	229	"-cpu core2duo", "xlevel", 0x80000008);
	230	add_cpuid_test("x86/cpuid/phenom/xlevel",
	231	"-cpu phenom", "xlevel", 0x8000001A);
0c3d7c00 EH	232	add_cpuid_test("x86/cpuid/athlon/xlevel",
0c3d7c00 EH	233	"-cpu athlon", "xlevel", 0x80000008);
6efef58e EH	234
6efef58e EH	235	/* If level is not large enough, it should increase automatically: */
c39c0edf EH	236	/* CPUID[6].EAX: */
	237	add_cpuid_test("x86/cpuid/auto-level/phenom/arat",
	238	"-cpu 486,+arat", "level", 6);
6efef58e EH	239	/* CPUID[EAX=7,ECX=0].EBX: */
	240	add_cpuid_test("x86/cpuid/auto-level/phenom/fsgsbase",
	241	"-cpu phenom,+fsgsbase", "level", 7);
c39c0edf EH	242	/* CPUID[EAX=7,ECX=0].ECX: */
	243	add_cpuid_test("x86/cpuid/auto-level/phenom/avx512vbmi",
	244	"-cpu phenom,+avx512vbmi", "level", 7);
	245	/* CPUID[EAX=0xd,ECX=1].EAX: */
	246	add_cpuid_test("x86/cpuid/auto-level/phenom/xsaveopt",
	247	"-cpu phenom,+xsaveopt", "level", 0xd);
	248	/* CPUID[8000_0001].EDX: */
	249	add_cpuid_test("x86/cpuid/auto-xlevel/486/3dnow",
	250	"-cpu 486,+3dnow", "xlevel", 0x80000001);
	251	/* CPUID[8000_0001].ECX: */
	252	add_cpuid_test("x86/cpuid/auto-xlevel/486/sse4a",
	253	"-cpu 486,+sse4a", "xlevel", 0x80000001);
	254	/* CPUID[8000_0007].EDX: */
	255	add_cpuid_test("x86/cpuid/auto-xlevel/486/invtsc",
	256	"-cpu 486,+invtsc", "xlevel", 0x80000007);
	257	/* CPUID[8000_000A].EDX: */
	258	add_cpuid_test("x86/cpuid/auto-xlevel/486/npt",
	259	"-cpu 486,+npt", "xlevel", 0x8000000A);
	260	/* CPUID[C000_0001].EDX: */
	261	add_cpuid_test("x86/cpuid/auto-xlevel2/phenom/xstore",
	262	"-cpu phenom,+xstore", "xlevel2", 0xC0000001);
0c3d7c00 EH	263	/* SVM needs CPUID[0x8000000A] */
	264	add_cpuid_test("x86/cpuid/auto-xlevel/athlon/svm",
	265	"-cpu athlon,+svm", "xlevel", 0x8000000A);
c39c0edf	266
6efef58e EH	267
	268	/* If level is already large enough, it shouldn't change: */
	269	add_cpuid_test("x86/cpuid/auto-level/SandyBridge/multiple",
	270	"-cpu SandyBridge,+arat,+fsgsbase,+avx512vbmi",
	271	"level", 0xd);
c39c0edf EH	272	/* If level is explicitly set, it shouldn't change: */
	273	add_cpuid_test("x86/cpuid/auto-level/486/fixed/0xF",
	274	"-cpu 486,level=0xF,+arat,+fsgsbase,+avx512vbmi,+xsaveopt",
	275	"level", 0xF);
	276	add_cpuid_test("x86/cpuid/auto-level/486/fixed/2",
	277	"-cpu 486,level=2,+arat,+fsgsbase,+avx512vbmi,+xsaveopt",
	278	"level", 2);
	279	add_cpuid_test("x86/cpuid/auto-level/486/fixed/0",
	280	"-cpu 486,level=0,+arat,+fsgsbase,+avx512vbmi,+xsaveopt",
	281	"level", 0);
6efef58e EH	282
	283	/* if xlevel is already large enough, it shouldn't change: */
	284	add_cpuid_test("x86/cpuid/auto-xlevel/phenom/3dnow",
0c3d7c00	285	"-cpu phenom,+3dnow,+sse4a,+invtsc,+npt,+svm",
6efef58e	286	"xlevel", 0x8000001A);
c39c0edf EH	287	/* If xlevel is explicitly set, it shouldn't change: */
c39c0edf EH	288	add_cpuid_test("x86/cpuid/auto-xlevel/486/fixed/80000002",
0c3d7c00	289	"-cpu 486,xlevel=0x80000002,+3dnow,+sse4a,+invtsc,+npt,+svm",
c39c0edf EH	290	"xlevel", 0x80000002);
c39c0edf EH	291	add_cpuid_test("x86/cpuid/auto-xlevel/486/fixed/8000001A",
0c3d7c00	292	"-cpu 486,xlevel=0x8000001A,+3dnow,+sse4a,+invtsc,+npt,+svm",
c39c0edf EH	293	"xlevel", 0x8000001A);
c39c0edf EH	294	add_cpuid_test("x86/cpuid/auto-xlevel/phenom/fixed/0",
0c3d7c00	295	"-cpu 486,xlevel=0,+3dnow,+sse4a,+invtsc,+npt,+svm",
c39c0edf	296	"xlevel", 0);
6efef58e EH	297
	298	/* if xlevel2 is already large enough, it shouldn't change: */
	299	add_cpuid_test("x86/cpuid/auto-xlevel2/486/fixed",
	300	"-cpu 486,xlevel2=0xC0000002,+xstore",
	301	"xlevel2", 0xC0000002);
	302
df3e9af8 EH	303	/* Check compatibility of old machine-types that didn't
	304	* auto-increase level/xlevel/xlevel2: */
	305
	306	add_cpuid_test("x86/cpuid/auto-level/pc-2.7",
	307	"-machine pc-i440fx-2.7 -cpu 486,+arat,+avx512vbmi,+xsaveopt",
	308	"level", 1);
	309	add_cpuid_test("x86/cpuid/auto-xlevel/pc-2.7",
0c3d7c00	310	"-machine pc-i440fx-2.7 -cpu 486,+3dnow,+sse4a,+invtsc,+npt,+svm",
df3e9af8 EH	311	"xlevel", 0);
	312	add_cpuid_test("x86/cpuid/auto-xlevel2/pc-2.7",
	313	"-machine pc-i440fx-2.7 -cpu 486,+xstore",
	314	"xlevel2", 0);
1f435716 EH	315	/*
	316	* QEMU 1.4.0 had auto-level enabled for CPUID[7], already,
	317	* and the compat code that sets default level shouldn't
	318	* disable the auto-level=7 code:
	319	*/
	320	add_cpuid_test("x86/cpuid/auto-level7/pc-i440fx-1.4/off",
	321	"-machine pc-i440fx-1.4 -cpu Nehalem",
	322	"level", 2);
	323	add_cpuid_test("x86/cpuid/auto-level7/pc-i440fx-1.5/on",
	324	"-machine pc-i440fx-1.4 -cpu Nehalem,+smap",
	325	"level", 7);
	326	add_cpuid_test("x86/cpuid/auto-level7/pc-i440fx-2.3/off",
	327	"-machine pc-i440fx-2.3 -cpu Penryn",
	328	"level", 4);
	329	add_cpuid_test("x86/cpuid/auto-level7/pc-i440fx-2.3/on",
	330	"-machine pc-i440fx-2.3 -cpu Penryn,+erms",
	331	"level", 7);
	332	add_cpuid_test("x86/cpuid/auto-level7/pc-i440fx-2.9/off",
	333	"-machine pc-i440fx-2.9 -cpu Conroe",
	334	"level", 10);
	335	add_cpuid_test("x86/cpuid/auto-level7/pc-i440fx-2.9/on",
	336	"-machine pc-i440fx-2.9 -cpu Conroe,+erms",
	337	"level", 10);
	338
	339	/*
	340	* xlevel doesn't have any feature that triggers auto-level
	341	* code on old machine-types. Just check that the compat code
	342	* is working correctly:
	343	*/
	344	add_cpuid_test("x86/cpuid/xlevel-compat/pc-i440fx-2.3",
	345	"-machine pc-i440fx-2.3 -cpu SandyBridge",
	346	"xlevel", 0x8000000a);
	347	add_cpuid_test("x86/cpuid/xlevel-compat/pc-i440fx-2.4/npt-off",
	348	"-machine pc-i440fx-2.4 -cpu SandyBridge,",
	349	"xlevel", 0x80000008);
	350	add_cpuid_test("x86/cpuid/xlevel-compat/pc-i440fx-2.4/npt-on",
	351	"-machine pc-i440fx-2.4 -cpu SandyBridge,+npt",
	352	"xlevel", 0x80000008);
df3e9af8	353
17e8f541 EH	354	/* Test feature parsing */
	355	add_feature_test("x86/cpuid/features/plus",
	356	"-cpu 486,+arat",
	357	6, 0, "EAX", 2, true);
	358	add_feature_test("x86/cpuid/features/minus",
	359	"-cpu pentium,-mmx",
	360	1, 0, "EDX", 23, false);
	361	add_feature_test("x86/cpuid/features/on",
	362	"-cpu 486,arat=on",
	363	6, 0, "EAX", 2, true);
	364	add_feature_test("x86/cpuid/features/off",
	365	"-cpu pentium,mmx=off",
	366	1, 0, "EDX", 23, false);
	367	add_feature_test("x86/cpuid/features/max-plus-invtsc",
	368	"-cpu max,+invtsc",
	369	0x80000007, 0, "EDX", 8, true);
	370	add_feature_test("x86/cpuid/features/max-invtsc-on",
	371	"-cpu max,invtsc=on",
	372	0x80000007, 0, "EDX", 8, true);
	373	add_feature_test("x86/cpuid/features/max-minus-mmx",
	374	"-cpu max,-mmx",
	375	1, 0, "EDX", 23, false);
	376	add_feature_test("x86/cpuid/features/max-invtsc-on,mmx=off",
	377	"-cpu max,mmx=off",
	378	1, 0, "EDX", 23, false);
	379
6efef58e EH	380	return g_test_run();
6efef58e EH	381	}