mirror of
https://github.com/qemu/qemu.git
synced 2024-12-15 15:33:29 +08:00
692fbdf9f4
The check should be unnecessary since commit
e7b3af8159 "glib: bump min required glib
library version to 2.40".
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20180730153639.26466-1-marcandre.lureau@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
382 lines
14 KiB
C
382 lines
14 KiB
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();
|
|
}
|